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tg3: Make TSS enable independent of MSI-X enable
[net-next-2.6.git] / drivers / net / tg3.c
CommitLineData
1da177e4
LT		 1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
0d2a5068 7 * Copyright (C) 2005-2009 Broadcom Corporation.
1da177e4
LT		 8 *
9 * Firmware is:
49cabf49
MC		 10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
1da177e4
LT		 16 */
17
1da177e4
LT		 18
19#include <linux/module.h>
20#include <linux/moduleparam.h>
21#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/compiler.h>
24#include <linux/slab.h>
25#include <linux/delay.h>
14c85021 26#include <linux/in.h>
1da177e4
LT		 27#include <linux/init.h>
28#include <linux/ioport.h>
29#include <linux/pci.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/ethtool.h>
34#include <linux/mii.h>
158d7abd 35#include <linux/phy.h>
a9daf367 36#include <linux/brcmphy.h>
1da177e4
LT		 37#include <linux/if_vlan.h>
38#include <linux/ip.h>
39#include <linux/tcp.h>
40#include <linux/workqueue.h>
61487480 41#include <linux/prefetch.h>
f9a5f7d3 42#include <linux/dma-mapping.h>
077f849d 43#include <linux/firmware.h>
1da177e4
LT		 44
45#include <net/checksum.h>
c9bdd4b5 46#include <net/ip.h>
1da177e4
LT		 47
48#include <asm/system.h>
49#include <asm/io.h>
50#include <asm/byteorder.h>
51#include <asm/uaccess.h>
52
49b6e95f 53#ifdef CONFIG_SPARC
1da177e4 54#include <asm/idprom.h>
49b6e95f 55#include <asm/prom.h>
1da177e4
LT		 56#endif
57
63532394
MC		 58#define BAR_0 0
59#define BAR_2 2
60
1da177e4
LT		 61#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
62#define TG3_VLAN_TAG_USED 1
63#else
64#define TG3_VLAN_TAG_USED 0
65#endif
66
1da177e4
LT		 67#include "tg3.h"
68
69#define DRV_MODULE_NAME "tg3"
70#define PFX DRV_MODULE_NAME ": "
c5d5d172
MC		 71#define DRV_MODULE_VERSION "3.104"
72#define DRV_MODULE_RELDATE "November 13, 2009"
1da177e4
LT		 73
74#define TG3_DEF_MAC_MODE 0
75#define TG3_DEF_RX_MODE 0
76#define TG3_DEF_TX_MODE 0
77#define TG3_DEF_MSG_ENABLE \
78 (NETIF_MSG_DRV | \
79 NETIF_MSG_PROBE | \
80 NETIF_MSG_LINK | \
81 NETIF_MSG_TIMER | \
82 NETIF_MSG_IFDOWN | \
83 NETIF_MSG_IFUP | \
84 NETIF_MSG_RX_ERR | \
85 NETIF_MSG_TX_ERR)
86
87/* length of time before we decide the hardware is borked,
88 * and dev->tx_timeout() should be called to fix the problem
89 */
90#define TG3_TX_TIMEOUT (5 * HZ)
91
92/* hardware minimum and maximum for a single frame's data payload */
93#define TG3_MIN_MTU 60
94#define TG3_MAX_MTU(tp) \
8f666b07 95 ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 96
97/* These numbers seem to be hard coded in the NIC firmware somehow.
98 * You can't change the ring sizes, but you can change where you place
99 * them in the NIC onboard memory.
100 */
101#define TG3_RX_RING_SIZE 512
102#define TG3_DEF_RX_RING_PENDING 200
103#define TG3_RX_JUMBO_RING_SIZE 256
104#define TG3_DEF_RX_JUMBO_RING_PENDING 100
baf8a94a 105#define TG3_RSS_INDIR_TBL_SIZE 128
1da177e4
LT		 106
107/* Do not place this n-ring entries value into the tp struct itself,
108 * we really want to expose these constants to GCC so that modulo et
109 * al. operations are done with shifts and masks instead of with
110 * hw multiply/modulo instructions. Another solution would be to
111 * replace things like '% foo' with '& (foo - 1)'.
112 */
113#define TG3_RX_RCB_RING_SIZE(tp) \
f6eb9b1f 114 (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
5ea1c506 115 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
1da177e4
LT		 116
117#define TG3_TX_RING_SIZE 512
118#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
119
120#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
121 TG3_RX_RING_SIZE)
79ed5ac7
MC		 122#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
123 TG3_RX_JUMBO_RING_SIZE)
1da177e4 124#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
79ed5ac7 125 TG3_RX_RCB_RING_SIZE(tp))
1da177e4
LT		 126#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
127 TG3_TX_RING_SIZE)
1da177e4
LT		 128#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
129
287be12e
MC		 130#define TG3_DMA_BYTE_ENAB 64
131
132#define TG3_RX_STD_DMA_SZ 1536
133#define TG3_RX_JMB_DMA_SZ 9046
134
135#define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
136
137#define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
138#define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
1da177e4 139
2b2cdb65
MC		 140#define TG3_RX_STD_BUFF_RING_SIZE \
141 (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
142
143#define TG3_RX_JMB_BUFF_RING_SIZE \
144 (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
145
1da177e4 146/* minimum number of free TX descriptors required to wake up TX process */
f3f3f27e 147#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
1da177e4 148
ad829268
MC		 149#define TG3_RAW_IP_ALIGN 2
150
1da177e4
LT		 151/* number of ETHTOOL_GSTATS u64's */
152#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
153
4cafd3f5
MC		 154#define TG3_NUM_TEST 6
155
077f849d
JSR		 156#define FIRMWARE_TG3 "tigon/tg3.bin"
157#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
158#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
159
1da177e4
LT		 160static char version[] __devinitdata =
161 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
162
163MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
164MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
165MODULE_LICENSE("GPL");
166MODULE_VERSION(DRV_MODULE_VERSION);
077f849d
JSR		 167MODULE_FIRMWARE(FIRMWARE_TG3);
168MODULE_FIRMWARE(FIRMWARE_TG3TSO);
169MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
170
679563f4 171#define TG3_RSS_MIN_NUM_MSIX_VECS 2
1da177e4
LT		 172
173static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
174module_param(tg3_debug, int, 0);
175MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
176
177static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
d30cdd28
MC		 231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
6c7af27c 233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
9936bcf6
MC		 234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
c88e668b
MC		 236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
2befdcea
MC		 238 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
239 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
321d32a0
MC		 240 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
241 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
242 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
5e7ccf20 243 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
5001e2f6
MC		 244 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
245 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
246 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
13185217
HK		 247 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
248 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
249 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
250 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
251 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
252 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
253 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
254 {}
1da177e4
LT		 255};
256
257MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
258
50da859d 259static const struct {
1da177e4
LT		 260 const char string[ETH_GSTRING_LEN];
261} ethtool_stats_keys[TG3_NUM_STATS] = {
262 { "rx_octets" },
263 { "rx_fragments" },
264 { "rx_ucast_packets" },
265 { "rx_mcast_packets" },
266 { "rx_bcast_packets" },
267 { "rx_fcs_errors" },
268 { "rx_align_errors" },
269 { "rx_xon_pause_rcvd" },
270 { "rx_xoff_pause_rcvd" },
271 { "rx_mac_ctrl_rcvd" },
272 { "rx_xoff_entered" },
273 { "rx_frame_too_long_errors" },
274 { "rx_jabbers" },
275 { "rx_undersize_packets" },
276 { "rx_in_length_errors" },
277 { "rx_out_length_errors" },
278 { "rx_64_or_less_octet_packets" },
279 { "rx_65_to_127_octet_packets" },
280 { "rx_128_to_255_octet_packets" },
281 { "rx_256_to_511_octet_packets" },
282 { "rx_512_to_1023_octet_packets" },
283 { "rx_1024_to_1522_octet_packets" },
284 { "rx_1523_to_2047_octet_packets" },
285 { "rx_2048_to_4095_octet_packets" },
286 { "rx_4096_to_8191_octet_packets" },
287 { "rx_8192_to_9022_octet_packets" },
288
289 { "tx_octets" },
290 { "tx_collisions" },
291
292 { "tx_xon_sent" },
293 { "tx_xoff_sent" },
294 { "tx_flow_control" },
295 { "tx_mac_errors" },
296 { "tx_single_collisions" },
297 { "tx_mult_collisions" },
298 { "tx_deferred" },
299 { "tx_excessive_collisions" },
300 { "tx_late_collisions" },
301 { "tx_collide_2times" },
302 { "tx_collide_3times" },
303 { "tx_collide_4times" },
304 { "tx_collide_5times" },
305 { "tx_collide_6times" },
306 { "tx_collide_7times" },
307 { "tx_collide_8times" },
308 { "tx_collide_9times" },
309 { "tx_collide_10times" },
310 { "tx_collide_11times" },
311 { "tx_collide_12times" },
312 { "tx_collide_13times" },
313 { "tx_collide_14times" },
314 { "tx_collide_15times" },
315 { "tx_ucast_packets" },
316 { "tx_mcast_packets" },
317 { "tx_bcast_packets" },
318 { "tx_carrier_sense_errors" },
319 { "tx_discards" },
320 { "tx_errors" },
321
322 { "dma_writeq_full" },
323 { "dma_write_prioq_full" },
324 { "rxbds_empty" },
325 { "rx_discards" },
326 { "rx_errors" },
327 { "rx_threshold_hit" },
328
329 { "dma_readq_full" },
330 { "dma_read_prioq_full" },
331 { "tx_comp_queue_full" },
332
333 { "ring_set_send_prod_index" },
334 { "ring_status_update" },
335 { "nic_irqs" },
336 { "nic_avoided_irqs" },
337 { "nic_tx_threshold_hit" }
338};
339
50da859d 340static const struct {
4cafd3f5
MC		 341 const char string[ETH_GSTRING_LEN];
342} ethtool_test_keys[TG3_NUM_TEST] = {
343 { "nvram test (online) " },
344 { "link test (online) " },
345 { "register test (offline)" },
346 { "memory test (offline)" },
347 { "loopback test (offline)" },
348 { "interrupt test (offline)" },
349};
350
b401e9e2
MC		 351static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
352{
353 writel(val, tp->regs + off);
354}
355
356static u32 tg3_read32(struct tg3 *tp, u32 off)
357{
6aa20a22 358 return (readl(tp->regs + off));
b401e9e2
MC		 359}
360
0d3031d9
MC		 361static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
362{
363 writel(val, tp->aperegs + off);
364}
365
366static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
367{
368 return (readl(tp->aperegs + off));
369}
370
1da177e4
LT		 371static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
372{
6892914f
MC		 373 unsigned long flags;
374
375 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 376 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
377 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 378 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 379}
380
381static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
382{
383 writel(val, tp->regs + off);
384 readl(tp->regs + off);
1da177e4
LT		 385}
386
6892914f 387static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 388{
6892914f
MC		 389 unsigned long flags;
390 u32 val;
391
392 spin_lock_irqsave(&tp->indirect_lock, flags);
393 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
394 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
395 spin_unlock_irqrestore(&tp->indirect_lock, flags);
396 return val;
397}
398
399static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
400{
401 unsigned long flags;
402
403 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
404 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
405 TG3_64BIT_REG_LOW, val);
406 return;
407 }
66711e66 408 if (off == TG3_RX_STD_PROD_IDX_REG) {
6892914f
MC		 409 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
410 TG3_64BIT_REG_LOW, val);
411 return;
1da177e4 412 }
6892914f
MC		 413
414 spin_lock_irqsave(&tp->indirect_lock, flags);
415 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
416 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
417 spin_unlock_irqrestore(&tp->indirect_lock, flags);
418
419 /* In indirect mode when disabling interrupts, we also need
420 * to clear the interrupt bit in the GRC local ctrl register.
421 */
422 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
423 (val == 0x1)) {
424 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
425 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
426 }
427}
428
429static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
430{
431 unsigned long flags;
432 u32 val;
433
434 spin_lock_irqsave(&tp->indirect_lock, flags);
435 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
436 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
437 spin_unlock_irqrestore(&tp->indirect_lock, flags);
438 return val;
439}
440
b401e9e2
MC		 441/* usec_wait specifies the wait time in usec when writing to certain registers
442 * where it is unsafe to read back the register without some delay.
443 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
444 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
445 */
446static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 447{
b401e9e2
MC		 448 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
449 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
450 /* Non-posted methods */
451 tp->write32(tp, off, val);
452 else {
453 /* Posted method */
454 tg3_write32(tp, off, val);
455 if (usec_wait)
456 udelay(usec_wait);
457 tp->read32(tp, off);
458 }
459 /* Wait again after the read for the posted method to guarantee that
460 * the wait time is met.
461 */
462 if (usec_wait)
463 udelay(usec_wait);
1da177e4
LT		 464}
465
09ee929c
MC		 466static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
467{
468 tp->write32_mbox(tp, off, val);
6892914f
MC		 469 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
470 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
471 tp->read32_mbox(tp, off);
09ee929c
MC		 472}
473
20094930 474static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 475{
476 void __iomem *mbox = tp->regs + off;
477 writel(val, mbox);
478 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
479 writel(val, mbox);
480 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
481 readl(mbox);
482}
483
b5d3772c
MC		 484static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
485{
486 return (readl(tp->regs + off + GRCMBOX_BASE));
487}
488
489static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
490{
491 writel(val, tp->regs + off + GRCMBOX_BASE);
492}
493
20094930 494#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 495#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 496#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
497#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 498#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 499
500#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 501#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
502#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 503#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 504
505static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
506{
6892914f
MC		 507 unsigned long flags;
508
b5d3772c
MC		 509 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
510 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
511 return;
512
6892914f 513 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 514 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
515 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
516 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 517
bbadf503
MC		 518 /* Always leave this as zero. */
519 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
520 } else {
521 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
522 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 523
bbadf503
MC		 524 /* Always leave this as zero. */
525 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
526 }
527 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 528}
529
1da177e4
LT		 530static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
531{
6892914f
MC		 532 unsigned long flags;
533
b5d3772c
MC		 534 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
535 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
536 *val = 0;
537 return;
538 }
539
6892914f 540 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 541 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
542 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
543 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 544
bbadf503
MC		 545 /* Always leave this as zero. */
546 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
547 } else {
548 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
549 *val = tr32(TG3PCI_MEM_WIN_DATA);
550
551 /* Always leave this as zero. */
552 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
553 }
6892914f 554 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 555}
556
0d3031d9
MC		 557static void tg3_ape_lock_init(struct tg3 *tp)
558{
559 int i;
560
561 /* Make sure the driver hasn't any stale locks. */
562 for (i = 0; i < 8; i++)
563 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
564 APE_LOCK_GRANT_DRIVER);
565}
566
567static int tg3_ape_lock(struct tg3 *tp, int locknum)
568{
569 int i, off;
570 int ret = 0;
571 u32 status;
572
573 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
574 return 0;
575
576 switch (locknum) {
77b483f1 577 case TG3_APE_LOCK_GRC:
0d3031d9
MC		 578 case TG3_APE_LOCK_MEM:
579 break;
580 default:
581 return -EINVAL;
582 }
583
584 off = 4 * locknum;
585
586 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
587
588 /* Wait for up to 1 millisecond to acquire lock. */
589 for (i = 0; i < 100; i++) {
590 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
591 if (status == APE_LOCK_GRANT_DRIVER)
592 break;
593 udelay(10);
594 }
595
596 if (status != APE_LOCK_GRANT_DRIVER) {
597 /* Revoke the lock request. */
598 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
599 APE_LOCK_GRANT_DRIVER);
600
601 ret = -EBUSY;
602 }
603
604 return ret;
605}
606
607static void tg3_ape_unlock(struct tg3 *tp, int locknum)
608{
609 int off;
610
611 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
612 return;
613
614 switch (locknum) {
77b483f1 615 case TG3_APE_LOCK_GRC:
0d3031d9
MC		 616 case TG3_APE_LOCK_MEM:
617 break;
618 default:
619 return;
620 }
621
622 off = 4 * locknum;
623 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
624}
625
1da177e4
LT		 626static void tg3_disable_ints(struct tg3 *tp)
627{
89aeb3bc
MC		 628 int i;
629
1da177e4
LT		 630 tw32(TG3PCI_MISC_HOST_CTRL,
631 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc
MC		 632 for (i = 0; i < tp->irq_max; i++)
633 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
1da177e4
LT		 634}
635
1da177e4
LT		 636static void tg3_enable_ints(struct tg3 *tp)
637{
89aeb3bc
MC		 638 int i;
639 u32 coal_now = 0;
640
bbe832c0
MC		 641 tp->irq_sync = 0;
642 wmb();
643
1da177e4
LT		 644 tw32(TG3PCI_MISC_HOST_CTRL,
645 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc
MC		 646
647 for (i = 0; i < tp->irq_cnt; i++) {
648 struct tg3_napi *tnapi = &tp->napi[i];
898a56f8 649 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
89aeb3bc
MC		 650 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
651 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
f19af9c2 652
89aeb3bc
MC		 653 coal_now |= tnapi->coal_now;
654 }
f19af9c2
MC		 655
656 /* Force an initial interrupt */
657 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
658 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
659 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
660 else
661 tw32(HOSTCC_MODE, tp->coalesce_mode |
662 HOSTCC_MODE_ENABLE | coal_now);
1da177e4
LT		 663}
664
17375d25 665static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
04237ddd 666{
17375d25 667 struct tg3 *tp = tnapi->tp;
898a56f8 668 struct tg3_hw_status *sblk = tnapi->hw_status;
04237ddd
MC		 669 unsigned int work_exists = 0;
670
671 /* check for phy events */
672 if (!(tp->tg3_flags &
673 (TG3_FLAG_USE_LINKCHG_REG |
674 TG3_FLAG_POLL_SERDES))) {
675 if (sblk->status & SD_STATUS_LINK_CHG)
676 work_exists = 1;
677 }
678 /* check for RX/TX work to do */
f3f3f27e 679 if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
8d9d7cfc 680 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
04237ddd
MC		 681 work_exists = 1;
682
683 return work_exists;
684}
685
17375d25 686/* tg3_int_reenable
04237ddd
MC		 687 * similar to tg3_enable_ints, but it accurately determines whether there
688 * is new work pending and can return without flushing the PIO write
6aa20a22 689 * which reenables interrupts
1da177e4 690 */
17375d25 691static void tg3_int_reenable(struct tg3_napi *tnapi)
1da177e4 692{
17375d25
MC		 693 struct tg3 *tp = tnapi->tp;
694
898a56f8 695 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
1da177e4
LT		 696 mmiowb();
697
fac9b83e
DM		 698 /* When doing tagged status, this work check is unnecessary.
699 * The last_tag we write above tells the chip which piece of
700 * work we've completed.
701 */
702 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
17375d25 703 tg3_has_work(tnapi))
04237ddd 704 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 705 HOSTCC_MODE_ENABLE | tnapi->coal_now);
1da177e4
LT		 706}
707
fed97810
MC		 708static void tg3_napi_disable(struct tg3 *tp)
709{
710 int i;
711
712 for (i = tp->irq_cnt - 1; i >= 0; i--)
713 napi_disable(&tp->napi[i].napi);
714}
715
716static void tg3_napi_enable(struct tg3 *tp)
717{
718 int i;
719
720 for (i = 0; i < tp->irq_cnt; i++)
721 napi_enable(&tp->napi[i].napi);
722}
723
1da177e4
LT		 724static inline void tg3_netif_stop(struct tg3 *tp)
725{
bbe832c0 726 tp->dev->trans_start = jiffies; /* prevent tx timeout */
fed97810 727 tg3_napi_disable(tp);
1da177e4
LT		 728 netif_tx_disable(tp->dev);
729}
730
731static inline void tg3_netif_start(struct tg3 *tp)
732{
fe5f5787
MC		 733 /* NOTE: unconditional netif_tx_wake_all_queues is only
734 * appropriate so long as all callers are assured to
735 * have free tx slots (such as after tg3_init_hw)
1da177e4 736 */
fe5f5787
MC		 737 netif_tx_wake_all_queues(tp->dev);
738
fed97810
MC		 739 tg3_napi_enable(tp);
740 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
f47c11ee 741 tg3_enable_ints(tp);
1da177e4
LT		 742}
743
744static void tg3_switch_clocks(struct tg3 *tp)
745{
f6eb9b1f 746 u32 clock_ctrl;
1da177e4
LT		 747 u32 orig_clock_ctrl;
748
795d01c5
MC		 749 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
750 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
4cf78e4f
MC		 751 return;
752
f6eb9b1f
MC		 753 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
754
1da177e4
LT		 755 orig_clock_ctrl = clock_ctrl;
756 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
757 CLOCK_CTRL_CLKRUN_OENABLE |
758 0x1f);
759 tp->pci_clock_ctrl = clock_ctrl;
760
761 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
762 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 763 tw32_wait_f(TG3PCI_CLOCK_CTRL,
764 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 765 }
766 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 767 tw32_wait_f(TG3PCI_CLOCK_CTRL,
768 clock_ctrl |
769 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
770 40);
771 tw32_wait_f(TG3PCI_CLOCK_CTRL,
772 clock_ctrl | (CLOCK_CTRL_ALTCLK),
773 40);
1da177e4 774 }
b401e9e2 775 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 776}
777
778#define PHY_BUSY_LOOPS 5000
779
780static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
781{
782 u32 frame_val;
783 unsigned int loops;
784 int ret;
785
786 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
787 tw32_f(MAC_MI_MODE,
788 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
789 udelay(80);
790 }
791
792 *val = 0x0;
793
882e9793 794 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 795 MI_COM_PHY_ADDR_MASK);
796 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
797 MI_COM_REG_ADDR_MASK);
798 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 799
1da177e4
LT		 800 tw32_f(MAC_MI_COM, frame_val);
801
802 loops = PHY_BUSY_LOOPS;
803 while (loops != 0) {
804 udelay(10);
805 frame_val = tr32(MAC_MI_COM);
806
807 if ((frame_val & MI_COM_BUSY) == 0) {
808 udelay(5);
809 frame_val = tr32(MAC_MI_COM);
810 break;
811 }
812 loops -= 1;
813 }
814
815 ret = -EBUSY;
816 if (loops != 0) {
817 *val = frame_val & MI_COM_DATA_MASK;
818 ret = 0;
819 }
820
821 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
822 tw32_f(MAC_MI_MODE, tp->mi_mode);
823 udelay(80);
824 }
825
826 return ret;
827}
828
829static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
830{
831 u32 frame_val;
832 unsigned int loops;
833 int ret;
834
7f97a4bd 835 if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
b5d3772c
MC		 836 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
837 return 0;
838
1da177e4
LT		 839 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
840 tw32_f(MAC_MI_MODE,
841 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
842 udelay(80);
843 }
844
882e9793 845 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 846 MI_COM_PHY_ADDR_MASK);
847 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
848 MI_COM_REG_ADDR_MASK);
849 frame_val |= (val & MI_COM_DATA_MASK);
850 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 851
1da177e4
LT		 852 tw32_f(MAC_MI_COM, frame_val);
853
854 loops = PHY_BUSY_LOOPS;
855 while (loops != 0) {
856 udelay(10);
857 frame_val = tr32(MAC_MI_COM);
858 if ((frame_val & MI_COM_BUSY) == 0) {
859 udelay(5);
860 frame_val = tr32(MAC_MI_COM);
861 break;
862 }
863 loops -= 1;
864 }
865
866 ret = -EBUSY;
867 if (loops != 0)
868 ret = 0;
869
870 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
871 tw32_f(MAC_MI_MODE, tp->mi_mode);
872 udelay(80);
873 }
874
875 return ret;
876}
877
95e2869a
MC		 878static int tg3_bmcr_reset(struct tg3 *tp)
879{
880 u32 phy_control;
881 int limit, err;
882
883 /* OK, reset it, and poll the BMCR_RESET bit until it
884 * clears or we time out.
885 */
886 phy_control = BMCR_RESET;
887 err = tg3_writephy(tp, MII_BMCR, phy_control);
888 if (err != 0)
889 return -EBUSY;
890
891 limit = 5000;
892 while (limit--) {
893 err = tg3_readphy(tp, MII_BMCR, &phy_control);
894 if (err != 0)
895 return -EBUSY;
896
897 if ((phy_control & BMCR_RESET) == 0) {
898 udelay(40);
899 break;
900 }
901 udelay(10);
902 }
d4675b52 903 if (limit < 0)
95e2869a
MC		 904 return -EBUSY;
905
906 return 0;
907}
908
158d7abd
MC		 909static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
910{
3d16543d 911 struct tg3 *tp = bp->priv;
158d7abd
MC		 912 u32 val;
913
24bb4fb6 914 spin_lock_bh(&tp->lock);
158d7abd
MC		 915
916 if (tg3_readphy(tp, reg, &val))
24bb4fb6
MC		 917 val = -EIO;
918
919 spin_unlock_bh(&tp->lock);
158d7abd
MC		 920
921 return val;
922}
923
924static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
925{
3d16543d 926 struct tg3 *tp = bp->priv;
24bb4fb6 927 u32 ret = 0;
158d7abd 928
24bb4fb6 929 spin_lock_bh(&tp->lock);
158d7abd
MC		 930
931 if (tg3_writephy(tp, reg, val))
24bb4fb6 932 ret = -EIO;
158d7abd 933
24bb4fb6
MC		 934 spin_unlock_bh(&tp->lock);
935
936 return ret;
158d7abd
MC		 937}
938
939static int tg3_mdio_reset(struct mii_bus *bp)
940{
941 return 0;
942}
943
9c61d6bc 944static void tg3_mdio_config_5785(struct tg3 *tp)
a9daf367
MC		 945{
946 u32 val;
fcb389df 947 struct phy_device *phydev;
a9daf367 948
3f0e3ad7 949 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
fcb389df
MC		 950 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
951 case TG3_PHY_ID_BCM50610:
c73430d0 952 case TG3_PHY_ID_BCM50610M:
fcb389df
MC		 953 val = MAC_PHYCFG2_50610_LED_MODES;
954 break;
955 case TG3_PHY_ID_BCMAC131:
956 val = MAC_PHYCFG2_AC131_LED_MODES;
957 break;
958 case TG3_PHY_ID_RTL8211C:
959 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
960 break;
961 case TG3_PHY_ID_RTL8201E:
962 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
963 break;
964 default:
a9daf367 965 return;
fcb389df
MC		 966 }
967
968 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
969 tw32(MAC_PHYCFG2, val);
970
971 val = tr32(MAC_PHYCFG1);
bb85fbb6
MC		 972 val &= ~(MAC_PHYCFG1_RGMII_INT |
973 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
974 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
fcb389df
MC		 975 tw32(MAC_PHYCFG1, val);
976
977 return;
978 }
979
980 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
981 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
982 MAC_PHYCFG2_FMODE_MASK_MASK |
983 MAC_PHYCFG2_GMODE_MASK_MASK |
984 MAC_PHYCFG2_ACT_MASK_MASK |
985 MAC_PHYCFG2_QUAL_MASK_MASK |
986 MAC_PHYCFG2_INBAND_ENABLE;
987
988 tw32(MAC_PHYCFG2, val);
a9daf367 989
bb85fbb6
MC		 990 val = tr32(MAC_PHYCFG1);
991 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
992 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
993 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
a9daf367
MC		 994 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
995 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
996 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
997 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
998 }
bb85fbb6
MC		 999 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1000 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1001 tw32(MAC_PHYCFG1, val);
a9daf367 1002
a9daf367
MC		 1003 val = tr32(MAC_EXT_RGMII_MODE);
1004 val &= ~(MAC_RGMII_MODE_RX_INT_B |
1005 MAC_RGMII_MODE_RX_QUALITY |
1006 MAC_RGMII_MODE_RX_ACTIVITY |
1007 MAC_RGMII_MODE_RX_ENG_DET |
1008 MAC_RGMII_MODE_TX_ENABLE |
1009 MAC_RGMII_MODE_TX_LOWPWR |
1010 MAC_RGMII_MODE_TX_RESET);
fcb389df 1011 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
a9daf367
MC		 1012 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1013 val |= MAC_RGMII_MODE_RX_INT_B |
1014 MAC_RGMII_MODE_RX_QUALITY |
1015 MAC_RGMII_MODE_RX_ACTIVITY |
1016 MAC_RGMII_MODE_RX_ENG_DET;
1017 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1018 val |= MAC_RGMII_MODE_TX_ENABLE |
1019 MAC_RGMII_MODE_TX_LOWPWR |
1020 MAC_RGMII_MODE_TX_RESET;
1021 }
1022 tw32(MAC_EXT_RGMII_MODE, val);
1023}
1024
158d7abd
MC		 1025static void tg3_mdio_start(struct tg3 *tp)
1026{
158d7abd
MC		 1027 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1028 tw32_f(MAC_MI_MODE, tp->mi_mode);
1029 udelay(80);
a9daf367 1030
882e9793
MC		 1031 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1032 u32 funcnum, is_serdes;
1033
1034 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1035 if (funcnum)
1036 tp->phy_addr = 2;
1037 else
1038 tp->phy_addr = 1;
1039
1040 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1041 if (is_serdes)
1042 tp->phy_addr += 7;
1043 } else
3f0e3ad7 1044 tp->phy_addr = TG3_PHY_MII_ADDR;
882e9793 1045
9c61d6bc
MC		 1046 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1047 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1048 tg3_mdio_config_5785(tp);
158d7abd
MC		 1049}
1050
158d7abd
MC		 1051static int tg3_mdio_init(struct tg3 *tp)
1052{
1053 int i;
1054 u32 reg;
a9daf367 1055 struct phy_device *phydev;
158d7abd
MC		 1056
1057 tg3_mdio_start(tp);
1058
1059 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1060 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1061 return 0;
1062
298cf9be
LB		 1063 tp->mdio_bus = mdiobus_alloc();
1064 if (tp->mdio_bus == NULL)
1065 return -ENOMEM;
158d7abd 1066
298cf9be
LB		 1067 tp->mdio_bus->name = "tg3 mdio bus";
1068 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
158d7abd 1069 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
298cf9be
LB		 1070 tp->mdio_bus->priv = tp;
1071 tp->mdio_bus->parent = &tp->pdev->dev;
1072 tp->mdio_bus->read = &tg3_mdio_read;
1073 tp->mdio_bus->write = &tg3_mdio_write;
1074 tp->mdio_bus->reset = &tg3_mdio_reset;
3f0e3ad7 1075 tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
298cf9be 1076 tp->mdio_bus->irq = &tp->mdio_irq[0];
158d7abd
MC		 1077
1078 for (i = 0; i < PHY_MAX_ADDR; i++)
298cf9be 1079 tp->mdio_bus->irq[i] = PHY_POLL;
158d7abd
MC		 1080
1081 /* The bus registration will look for all the PHYs on the mdio bus.
1082 * Unfortunately, it does not ensure the PHY is powered up before
1083 * accessing the PHY ID registers. A chip reset is the
1084 * quickest way to bring the device back to an operational state..
1085 */
1086 if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1087 tg3_bmcr_reset(tp);
1088
298cf9be 1089 i = mdiobus_register(tp->mdio_bus);
a9daf367 1090 if (i) {
158d7abd
MC		 1091 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1092 tp->dev->name, i);
9c61d6bc 1093 mdiobus_free(tp->mdio_bus);
a9daf367
MC		 1094 return i;
1095 }
158d7abd 1096
3f0e3ad7 1097 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
a9daf367 1098
9c61d6bc
MC		 1099 if (!phydev || !phydev->drv) {
1100 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1101 mdiobus_unregister(tp->mdio_bus);
1102 mdiobus_free(tp->mdio_bus);
1103 return -ENODEV;
1104 }
1105
1106 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
321d32a0
MC		 1107 case TG3_PHY_ID_BCM57780:
1108 phydev->interface = PHY_INTERFACE_MODE_GMII;
c704dc23 1109 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
321d32a0 1110 break;
a9daf367 1111 case TG3_PHY_ID_BCM50610:
c73430d0 1112 case TG3_PHY_ID_BCM50610M:
32e5a8d6 1113 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
c704dc23 1114 PHY_BRCM_RX_REFCLK_UNUSED |
52fae083 1115 PHY_BRCM_DIS_TXCRXC_NOENRGY |
c704dc23 1116 PHY_BRCM_AUTO_PWRDWN_ENABLE;
a9daf367
MC		 1117 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1118 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1119 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1120 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1121 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1122 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
fcb389df
MC		 1123 /* fallthru */
1124 case TG3_PHY_ID_RTL8211C:
1125 phydev->interface = PHY_INTERFACE_MODE_RGMII;
a9daf367 1126 break;
fcb389df 1127 case TG3_PHY_ID_RTL8201E:
a9daf367
MC		 1128 case TG3_PHY_ID_BCMAC131:
1129 phydev->interface = PHY_INTERFACE_MODE_MII;
cdd4e09d 1130 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
7f97a4bd 1131 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
a9daf367
MC		 1132 break;
1133 }
1134
9c61d6bc
MC		 1135 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1136
1137 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1138 tg3_mdio_config_5785(tp);
a9daf367
MC		 1139
1140 return 0;
158d7abd
MC		 1141}
1142
1143static void tg3_mdio_fini(struct tg3 *tp)
1144{
1145 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1146 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
298cf9be
LB		 1147 mdiobus_unregister(tp->mdio_bus);
1148 mdiobus_free(tp->mdio_bus);
158d7abd
MC		 1149 }
1150}
1151
4ba526ce
MC		 1152/* tp->lock is held. */
1153static inline void tg3_generate_fw_event(struct tg3 *tp)
1154{
1155 u32 val;
1156
1157 val = tr32(GRC_RX_CPU_EVENT);
1158 val |= GRC_RX_CPU_DRIVER_EVENT;
1159 tw32_f(GRC_RX_CPU_EVENT, val);
1160
1161 tp->last_event_jiffies = jiffies;
1162}
1163
1164#define TG3_FW_EVENT_TIMEOUT_USEC 2500
1165
95e2869a
MC		 1166/* tp->lock is held. */
1167static void tg3_wait_for_event_ack(struct tg3 *tp)
1168{
1169 int i;
4ba526ce
MC		 1170 unsigned int delay_cnt;
1171 long time_remain;
1172
1173 /* If enough time has passed, no wait is necessary. */
1174 time_remain = (long)(tp->last_event_jiffies + 1 +
1175 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1176 (long)jiffies;
1177 if (time_remain < 0)
1178 return;
1179
1180 /* Check if we can shorten the wait time. */
1181 delay_cnt = jiffies_to_usecs(time_remain);
1182 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1183 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1184 delay_cnt = (delay_cnt >> 3) + 1;
95e2869a 1185
4ba526ce 1186 for (i = 0; i < delay_cnt; i++) {
95e2869a
MC		 1187 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1188 break;
4ba526ce 1189 udelay(8);
95e2869a
MC		 1190 }
1191}
1192
1193/* tp->lock is held. */
1194static void tg3_ump_link_report(struct tg3 *tp)
1195{
1196 u32 reg;
1197 u32 val;
1198
1199 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1200 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1201 return;
1202
1203 tg3_wait_for_event_ack(tp);
1204
1205 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1206
1207 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1208
1209 val = 0;
1210 if (!tg3_readphy(tp, MII_BMCR, &reg))
1211 val = reg << 16;
1212 if (!tg3_readphy(tp, MII_BMSR, &reg))
1213 val |= (reg & 0xffff);
1214 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1215
1216 val = 0;
1217 if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1218 val = reg << 16;
1219 if (!tg3_readphy(tp, MII_LPA, &reg))
1220 val |= (reg & 0xffff);
1221 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1222
1223 val = 0;
1224 if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1225 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1226 val = reg << 16;
1227 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1228 val |= (reg & 0xffff);
1229 }
1230 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1231
1232 if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1233 val = reg << 16;
1234 else
1235 val = 0;
1236 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1237
4ba526ce 1238 tg3_generate_fw_event(tp);
95e2869a
MC		 1239}
1240
1241static void tg3_link_report(struct tg3 *tp)
1242{
1243 if (!netif_carrier_ok(tp->dev)) {
1244 if (netif_msg_link(tp))
1245 printk(KERN_INFO PFX "%s: Link is down.\n",
1246 tp->dev->name);
1247 tg3_ump_link_report(tp);
1248 } else if (netif_msg_link(tp)) {
1249 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1250 tp->dev->name,
1251 (tp->link_config.active_speed == SPEED_1000 ?
1252 1000 :
1253 (tp->link_config.active_speed == SPEED_100 ?
1254 100 : 10)),
1255 (tp->link_config.active_duplex == DUPLEX_FULL ?
1256 "full" : "half"));
1257
1258 printk(KERN_INFO PFX
1259 "%s: Flow control is %s for TX and %s for RX.\n",
1260 tp->dev->name,
e18ce346 1261 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
95e2869a 1262 "on" : "off",
e18ce346 1263 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
95e2869a
MC		 1264 "on" : "off");
1265 tg3_ump_link_report(tp);
1266 }
1267}
1268
1269static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1270{
1271 u16 miireg;
1272
e18ce346 1273 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
95e2869a 1274 miireg = ADVERTISE_PAUSE_CAP;
e18ce346 1275 else if (flow_ctrl & FLOW_CTRL_TX)
95e2869a 1276 miireg = ADVERTISE_PAUSE_ASYM;
e18ce346 1277 else if (flow_ctrl & FLOW_CTRL_RX)
95e2869a
MC		 1278 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1279 else
1280 miireg = 0;
1281
1282 return miireg;
1283}
1284
1285static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1286{
1287 u16 miireg;
1288
e18ce346 1289 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
95e2869a 1290 miireg = ADVERTISE_1000XPAUSE;
e18ce346 1291 else if (flow_ctrl & FLOW_CTRL_TX)
95e2869a 1292 miireg = ADVERTISE_1000XPSE_ASYM;
e18ce346 1293 else if (flow_ctrl & FLOW_CTRL_RX)
95e2869a
MC		 1294 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1295 else
1296 miireg = 0;
1297
1298 return miireg;
1299}
1300
95e2869a
MC		 1301static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1302{
1303 u8 cap = 0;
1304
1305 if (lcladv & ADVERTISE_1000XPAUSE) {
1306 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1307 if (rmtadv & LPA_1000XPAUSE)
e18ce346 1308 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
95e2869a 1309 else if (rmtadv & LPA_1000XPAUSE_ASYM)
e18ce346 1310 cap = FLOW_CTRL_RX;
95e2869a
MC		 1311 } else {
1312 if (rmtadv & LPA_1000XPAUSE)
e18ce346 1313 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
95e2869a
MC		 1314 }
1315 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1316 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
e18ce346 1317 cap = FLOW_CTRL_TX;
95e2869a
MC		 1318 }
1319
1320 return cap;
1321}
1322
f51f3562 1323static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
95e2869a 1324{
b02fd9e3 1325 u8 autoneg;
f51f3562 1326 u8 flowctrl = 0;
95e2869a
MC		 1327 u32 old_rx_mode = tp->rx_mode;
1328 u32 old_tx_mode = tp->tx_mode;
1329
b02fd9e3 1330 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
3f0e3ad7 1331 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
b02fd9e3
MC		 1332 else
1333 autoneg = tp->link_config.autoneg;
1334
1335 if (autoneg == AUTONEG_ENABLE &&
95e2869a
MC		 1336 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1337 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
f51f3562 1338 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
95e2869a 1339 else
bc02ff95 1340 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
f51f3562
MC		 1341 } else
1342 flowctrl = tp->link_config.flowctrl;
95e2869a 1343
f51f3562 1344 tp->link_config.active_flowctrl = flowctrl;
95e2869a 1345
e18ce346 1346 if (flowctrl & FLOW_CTRL_RX)
95e2869a
MC		 1347 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1348 else
1349 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1350
f51f3562 1351 if (old_rx_mode != tp->rx_mode)
95e2869a 1352 tw32_f(MAC_RX_MODE, tp->rx_mode);
95e2869a 1353
e18ce346 1354 if (flowctrl & FLOW_CTRL_TX)
95e2869a
MC		 1355 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1356 else
1357 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1358
f51f3562 1359 if (old_tx_mode != tp->tx_mode)
95e2869a 1360 tw32_f(MAC_TX_MODE, tp->tx_mode);
95e2869a
MC		 1361}
1362
b02fd9e3
MC		 1363static void tg3_adjust_link(struct net_device *dev)
1364{
1365 u8 oldflowctrl, linkmesg = 0;
1366 u32 mac_mode, lcl_adv, rmt_adv;
1367 struct tg3 *tp = netdev_priv(dev);
3f0e3ad7 1368 struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3 1369
24bb4fb6 1370 spin_lock_bh(&tp->lock);
b02fd9e3
MC		 1371
1372 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1373 MAC_MODE_HALF_DUPLEX);
1374
1375 oldflowctrl = tp->link_config.active_flowctrl;
1376
1377 if (phydev->link) {
1378 lcl_adv = 0;
1379 rmt_adv = 0;
1380
1381 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1382 mac_mode |= MAC_MODE_PORT_MODE_MII;
c3df0748
MC		 1383 else if (phydev->speed == SPEED_1000 ||
1384 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
b02fd9e3 1385 mac_mode |= MAC_MODE_PORT_MODE_GMII;
c3df0748
MC		 1386 else
1387 mac_mode |= MAC_MODE_PORT_MODE_MII;
b02fd9e3
MC		 1388
1389 if (phydev->duplex == DUPLEX_HALF)
1390 mac_mode |= MAC_MODE_HALF_DUPLEX;
1391 else {
1392 lcl_adv = tg3_advert_flowctrl_1000T(
1393 tp->link_config.flowctrl);
1394
1395 if (phydev->pause)
1396 rmt_adv = LPA_PAUSE_CAP;
1397 if (phydev->asym_pause)
1398 rmt_adv |= LPA_PAUSE_ASYM;
1399 }
1400
1401 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1402 } else
1403 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1404
1405 if (mac_mode != tp->mac_mode) {
1406 tp->mac_mode = mac_mode;
1407 tw32_f(MAC_MODE, tp->mac_mode);
1408 udelay(40);
1409 }
1410
fcb389df
MC		 1411 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1412 if (phydev->speed == SPEED_10)
1413 tw32(MAC_MI_STAT,
1414 MAC_MI_STAT_10MBPS_MODE |
1415 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1416 else
1417 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1418 }
1419
b02fd9e3
MC		 1420 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1421 tw32(MAC_TX_LENGTHS,
1422 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1423 (6 << TX_LENGTHS_IPG_SHIFT) |
1424 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1425 else
1426 tw32(MAC_TX_LENGTHS,
1427 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1428 (6 << TX_LENGTHS_IPG_SHIFT) |
1429 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1430
1431 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1432 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1433 phydev->speed != tp->link_config.active_speed ||
1434 phydev->duplex != tp->link_config.active_duplex ||
1435 oldflowctrl != tp->link_config.active_flowctrl)
1436 linkmesg = 1;
1437
1438 tp->link_config.active_speed = phydev->speed;
1439 tp->link_config.active_duplex = phydev->duplex;
1440
24bb4fb6 1441 spin_unlock_bh(&tp->lock);
b02fd9e3
MC		 1442
1443 if (linkmesg)
1444 tg3_link_report(tp);
1445}
1446
1447static int tg3_phy_init(struct tg3 *tp)
1448{
1449 struct phy_device *phydev;
1450
1451 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1452 return 0;
1453
1454 /* Bring the PHY back to a known state. */
1455 tg3_bmcr_reset(tp);
1456
3f0e3ad7 1457 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 1458
1459 /* Attach the MAC to the PHY. */
fb28ad35 1460 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
a9daf367 1461 phydev->dev_flags, phydev->interface);
b02fd9e3
MC		 1462 if (IS_ERR(phydev)) {
1463 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1464 return PTR_ERR(phydev);
1465 }
1466
b02fd9e3 1467 /* Mask with MAC supported features. */
9c61d6bc
MC		 1468 switch (phydev->interface) {
1469 case PHY_INTERFACE_MODE_GMII:
1470 case PHY_INTERFACE_MODE_RGMII:
321d32a0
MC		 1471 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1472 phydev->supported &= (PHY_GBIT_FEATURES |
1473 SUPPORTED_Pause |
1474 SUPPORTED_Asym_Pause);
1475 break;
1476 }
1477 /* fallthru */
9c61d6bc
MC		 1478 case PHY_INTERFACE_MODE_MII:
1479 phydev->supported &= (PHY_BASIC_FEATURES |
1480 SUPPORTED_Pause |
1481 SUPPORTED_Asym_Pause);
1482 break;
1483 default:
3f0e3ad7 1484 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9c61d6bc
MC		 1485 return -EINVAL;
1486 }
1487
1488 tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
b02fd9e3
MC		 1489
1490 phydev->advertising = phydev->supported;
1491
b02fd9e3
MC		 1492 return 0;
1493}
1494
1495static void tg3_phy_start(struct tg3 *tp)
1496{
1497 struct phy_device *phydev;
1498
1499 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1500 return;
1501
3f0e3ad7 1502 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 1503
1504 if (tp->link_config.phy_is_low_power) {
1505 tp->link_config.phy_is_low_power = 0;
1506 phydev->speed = tp->link_config.orig_speed;
1507 phydev->duplex = tp->link_config.orig_duplex;
1508 phydev->autoneg = tp->link_config.orig_autoneg;
1509 phydev->advertising = tp->link_config.orig_advertising;
1510 }
1511
1512 phy_start(phydev);
1513
1514 phy_start_aneg(phydev);
1515}
1516
1517static void tg3_phy_stop(struct tg3 *tp)
1518{
1519 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1520 return;
1521
3f0e3ad7 1522 phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 1523}
1524
1525static void tg3_phy_fini(struct tg3 *tp)
1526{
1527 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
3f0e3ad7 1528 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 1529 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1530 }
1531}
1532
b2a5c19c
MC		 1533static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1534{
1535 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1536 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1537}
1538
7f97a4bd
MC		 1539static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1540{
1541 u32 phytest;
1542
1543 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1544 u32 phy;
1545
1546 tg3_writephy(tp, MII_TG3_FET_TEST,
1547 phytest | MII_TG3_FET_SHADOW_EN);
1548 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1549 if (enable)
1550 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1551 else
1552 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1553 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1554 }
1555 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1556 }
1557}
1558
6833c043
MC		 1559static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1560{
1561 u32 reg;
1562
7f97a4bd 1563 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6833c043
MC		 1564 return;
1565
7f97a4bd
MC		 1566 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1567 tg3_phy_fet_toggle_apd(tp, enable);
1568 return;
1569 }
1570
6833c043
MC		 1571 reg = MII_TG3_MISC_SHDW_WREN |
1572 MII_TG3_MISC_SHDW_SCR5_SEL |
1573 MII_TG3_MISC_SHDW_SCR5_LPED |
1574 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1575 MII_TG3_MISC_SHDW_SCR5_SDTL |
1576 MII_TG3_MISC_SHDW_SCR5_C125OE;
1577 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1578 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1579
1580 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1581
1582
1583 reg = MII_TG3_MISC_SHDW_WREN |
1584 MII_TG3_MISC_SHDW_APD_SEL |
1585 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1586 if (enable)
1587 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1588
1589 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1590}
1591
9ef8ca99
MC		 1592static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1593{
1594 u32 phy;
1595
1596 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1597 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1598 return;
1599
7f97a4bd 1600 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
9ef8ca99
MC		 1601 u32 ephy;
1602
535ef6e1
MC		 1603 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1604 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1605
1606 tg3_writephy(tp, MII_TG3_FET_TEST,
1607 ephy | MII_TG3_FET_SHADOW_EN);
1608 if (!tg3_readphy(tp, reg, &phy)) {
9ef8ca99 1609 if (enable)
535ef6e1 1610 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
9ef8ca99 1611 else
535ef6e1
MC		 1612 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1613 tg3_writephy(tp, reg, phy);
9ef8ca99 1614 }
535ef6e1 1615 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
9ef8ca99
MC		 1616 }
1617 } else {
1618 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1619 MII_TG3_AUXCTL_SHDWSEL_MISC;
1620 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1621 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1622 if (enable)
1623 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1624 else
1625 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1626 phy |= MII_TG3_AUXCTL_MISC_WREN;
1627 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1628 }
1629 }
1630}
1631
1da177e4
LT		 1632static void tg3_phy_set_wirespeed(struct tg3 *tp)
1633{
1634 u32 val;
1635
1636 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1637 return;
1638
1639 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1640 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1641 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1642 (val | (1 << 15) | (1 << 4)));
1643}
1644
b2a5c19c
MC		 1645static void tg3_phy_apply_otp(struct tg3 *tp)
1646{
1647 u32 otp, phy;
1648
1649 if (!tp->phy_otp)
1650 return;
1651
1652 otp = tp->phy_otp;
1653
1654 /* Enable SM_DSP clock and tx 6dB coding. */
1655 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1656 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1657 MII_TG3_AUXCTL_ACTL_TX_6DB;
1658 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1659
1660 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1661 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1662 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1663
1664 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1665 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1666 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1667
1668 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1669 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1670 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1671
1672 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1673 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1674
1675 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1676 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1677
1678 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1679 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1680 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1681
1682 /* Turn off SM_DSP clock. */
1683 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1684 MII_TG3_AUXCTL_ACTL_TX_6DB;
1685 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1686}
1687
1da177e4
LT		 1688static int tg3_wait_macro_done(struct tg3 *tp)
1689{
1690 int limit = 100;
1691
1692 while (limit--) {
1693 u32 tmp32;
1694
1695 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1696 if ((tmp32 & 0x1000) == 0)
1697 break;
1698 }
1699 }
d4675b52 1700 if (limit < 0)
1da177e4
LT		 1701 return -EBUSY;
1702
1703 return 0;
1704}
1705
1706static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1707{
1708 static const u32 test_pat[4][6] = {
1709 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1710 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1711 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1712 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1713 };
1714 int chan;
1715
1716 for (chan = 0; chan < 4; chan++) {
1717 int i;
1718
1719 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1720 (chan * 0x2000) | 0x0200);
1721 tg3_writephy(tp, 0x16, 0x0002);
1722
1723 for (i = 0; i < 6; i++)
1724 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1725 test_pat[chan][i]);
1726
1727 tg3_writephy(tp, 0x16, 0x0202);
1728 if (tg3_wait_macro_done(tp)) {
1729 *resetp = 1;
1730 return -EBUSY;
1731 }
1732
1733 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1734 (chan * 0x2000) | 0x0200);
1735 tg3_writephy(tp, 0x16, 0x0082);
1736 if (tg3_wait_macro_done(tp)) {
1737 *resetp = 1;
1738 return -EBUSY;
1739 }
1740
1741 tg3_writephy(tp, 0x16, 0x0802);
1742 if (tg3_wait_macro_done(tp)) {
1743 *resetp = 1;
1744 return -EBUSY;
1745 }
1746
1747 for (i = 0; i < 6; i += 2) {
1748 u32 low, high;
1749
1750 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1751 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1752 tg3_wait_macro_done(tp)) {
1753 *resetp = 1;
1754 return -EBUSY;
1755 }
1756 low &= 0x7fff;
1757 high &= 0x000f;
1758 if (low != test_pat[chan][i] ||
1759 high != test_pat[chan][i+1]) {
1760 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1761 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1762 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1763
1764 return -EBUSY;
1765 }
1766 }
1767 }
1768
1769 return 0;
1770}
1771
1772static int tg3_phy_reset_chanpat(struct tg3 *tp)
1773{
1774 int chan;
1775
1776 for (chan = 0; chan < 4; chan++) {
1777 int i;
1778
1779 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1780 (chan * 0x2000) | 0x0200);
1781 tg3_writephy(tp, 0x16, 0x0002);
1782 for (i = 0; i < 6; i++)
1783 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1784 tg3_writephy(tp, 0x16, 0x0202);
1785 if (tg3_wait_macro_done(tp))
1786 return -EBUSY;
1787 }
1788
1789 return 0;
1790}
1791
1792static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1793{
1794 u32 reg32, phy9_orig;
1795 int retries, do_phy_reset, err;
1796
1797 retries = 10;
1798 do_phy_reset = 1;
1799 do {
1800 if (do_phy_reset) {
1801 err = tg3_bmcr_reset(tp);
1802 if (err)
1803 return err;
1804 do_phy_reset = 0;
1805 }
1806
1807 /* Disable transmitter and interrupt. */
1808 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1809 continue;
1810
1811 reg32 |= 0x3000;
1812 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1813
1814 /* Set full-duplex, 1000 mbps. */
1815 tg3_writephy(tp, MII_BMCR,
1816 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1817
1818 /* Set to master mode. */
1819 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1820 continue;
1821
1822 tg3_writephy(tp, MII_TG3_CTRL,
1823 (MII_TG3_CTRL_AS_MASTER |
1824 MII_TG3_CTRL_ENABLE_AS_MASTER));
1825
1826 /* Enable SM_DSP_CLOCK and 6dB. */
1827 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1828
1829 /* Block the PHY control access. */
1830 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1831 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1832
1833 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1834 if (!err)
1835 break;
1836 } while (--retries);
1837
1838 err = tg3_phy_reset_chanpat(tp);
1839 if (err)
1840 return err;
1841
1842 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1843 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1844
1845 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1846 tg3_writephy(tp, 0x16, 0x0000);
1847
1848 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1849 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1850 /* Set Extended packet length bit for jumbo frames */
1851 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1852 }
1853 else {
1854 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1855 }
1856
1857 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1858
1859 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1860 reg32 &= ~0x3000;
1861 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1862 } else if (!err)
1863 err = -EBUSY;
1864
1865 return err;
1866}
1867
1868/* This will reset the tigon3 PHY if there is no valid
1869 * link unless the FORCE argument is non-zero.
1870 */
1871static int tg3_phy_reset(struct tg3 *tp)
1872{
b2a5c19c 1873 u32 cpmuctrl;
1da177e4
LT		 1874 u32 phy_status;
1875 int err;
1876
60189ddf
MC		 1877 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1878 u32 val;
1879
1880 val = tr32(GRC_MISC_CFG);
1881 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1882 udelay(40);
1883 }
1da177e4
LT		 1884 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1885 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1886 if (err != 0)
1887 return -EBUSY;
1888
c8e1e82b
MC		 1889 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1890 netif_carrier_off(tp->dev);
1891 tg3_link_report(tp);
1892 }
1893
1da177e4
LT		 1894 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1895 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1896 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1897 err = tg3_phy_reset_5703_4_5(tp);
1898 if (err)
1899 return err;
1900 goto out;
1901 }
1902
b2a5c19c
MC		 1903 cpmuctrl = 0;
1904 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1905 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1906 cpmuctrl = tr32(TG3_CPMU_CTRL);
1907 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1908 tw32(TG3_CPMU_CTRL,
1909 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1910 }
1911
1da177e4
LT		 1912 err = tg3_bmcr_reset(tp);
1913 if (err)
1914 return err;
1915
b2a5c19c
MC		 1916 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1917 u32 phy;
1918
1919 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1920 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1921
1922 tw32(TG3_CPMU_CTRL, cpmuctrl);
1923 }
1924
bcb37f6c
MC		 1925 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1926 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
ce057f01
MC		 1927 u32 val;
1928
1929 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1930 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1931 CPMU_LSPD_1000MB_MACCLK_12_5) {
1932 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1933 udelay(40);
1934 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1935 }
1936 }
1937
b2a5c19c
MC		 1938 tg3_phy_apply_otp(tp);
1939
6833c043
MC		 1940 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1941 tg3_phy_toggle_apd(tp, true);
1942 else
1943 tg3_phy_toggle_apd(tp, false);
1944
1da177e4
LT		 1945out:
1946 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1947 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1948 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1949 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1950 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1951 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1952 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1953 }
1954 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1955 tg3_writephy(tp, 0x1c, 0x8d68);
1956 tg3_writephy(tp, 0x1c, 0x8d68);
1957 }
1958 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1959 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1960 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1961 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1962 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1963 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1964 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1965 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1966 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1967 }
c424cb24
MC		 1968 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1969 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1970 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1971 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1972 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1973 tg3_writephy(tp, MII_TG3_TEST1,
1974 MII_TG3_TEST1_TRIM_EN | 0x4);
1975 } else
1976 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1977 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1978 }
1da177e4
LT		 1979 /* Set Extended packet length bit (bit 14) on all chips that */
1980 /* support jumbo frames */
1981 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1982 /* Cannot do read-modify-write on 5401 */
1983 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
8f666b07 1984 } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1da177e4
LT		 1985 u32 phy_reg;
1986
1987 /* Set bit 14 with read-modify-write to preserve other bits */
1988 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1989 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1990 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1991 }
1992
1993 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1994 * jumbo frames transmission.
1995 */
8f666b07 1996 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1da177e4
LT		 1997 u32 phy_reg;
1998
1999 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
2000 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2001 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2002 }
2003
715116a1 2004 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
715116a1 2005 /* adjust output voltage */
535ef6e1 2006 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
715116a1
MC		 2007 }
2008
9ef8ca99 2009 tg3_phy_toggle_automdix(tp, 1);
1da177e4
LT		 2010 tg3_phy_set_wirespeed(tp);
2011 return 0;
2012}
2013
2014static void tg3_frob_aux_power(struct tg3 *tp)
2015{
2016 struct tg3 *tp_peer = tp;
2017
9d26e213 2018 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 2019 return;
2020
f6eb9b1f
MC		 2021 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2022 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2023 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8c2dc7e1
MC		 2024 struct net_device *dev_peer;
2025
2026 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 2027 /* remove_one() may have been run on the peer. */
8c2dc7e1 2028 if (!dev_peer)
bc1c7567
MC		 2029 tp_peer = tp;
2030 else
2031 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 2032 }
2033
1da177e4 2034 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 2035 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2036 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2037 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 2038 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2039 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 2040 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2041 (GRC_LCLCTRL_GPIO_OE0 |
2042 GRC_LCLCTRL_GPIO_OE1 |
2043 GRC_LCLCTRL_GPIO_OE2 |
2044 GRC_LCLCTRL_GPIO_OUTPUT0 |
2045 GRC_LCLCTRL_GPIO_OUTPUT1),
2046 100);
8d519ab2
MC		 2047 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2048 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
5f0c4a3c
MC		 2049 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2050 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2051 GRC_LCLCTRL_GPIO_OE1 |
2052 GRC_LCLCTRL_GPIO_OE2 |
2053 GRC_LCLCTRL_GPIO_OUTPUT0 |
2054 GRC_LCLCTRL_GPIO_OUTPUT1 |
2055 tp->grc_local_ctrl;
2056 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2057
2058 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2059 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2060
2061 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2062 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1da177e4
LT		 2063 } else {
2064 u32 no_gpio2;
dc56b7d4 2065 u32 grc_local_ctrl = 0;
1da177e4
LT		 2066
2067 if (tp_peer != tp &&
2068 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2069 return;
2070
dc56b7d4
MC		 2071 /* Workaround to prevent overdrawing Amps. */
2072 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2073 ASIC_REV_5714) {
2074 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 2075 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2076 grc_local_ctrl, 100);
dc56b7d4
MC		 2077 }
2078
1da177e4
LT		 2079 /* On 5753 and variants, GPIO2 cannot be used. */
2080 no_gpio2 = tp->nic_sram_data_cfg &
2081 NIC_SRAM_DATA_CFG_NO_GPIO2;
2082
dc56b7d4 2083 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 2084 GRC_LCLCTRL_GPIO_OE1 |
2085 GRC_LCLCTRL_GPIO_OE2 |
2086 GRC_LCLCTRL_GPIO_OUTPUT1 |
2087 GRC_LCLCTRL_GPIO_OUTPUT2;
2088 if (no_gpio2) {
2089 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2090 GRC_LCLCTRL_GPIO_OUTPUT2);
2091 }
b401e9e2
MC		 2092 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2093 grc_local_ctrl, 100);
1da177e4
LT		 2094
2095 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2096
b401e9e2
MC		 2097 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2098 grc_local_ctrl, 100);
1da177e4
LT		 2099
2100 if (!no_gpio2) {
2101 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 2102 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2103 grc_local_ctrl, 100);
1da177e4
LT		 2104 }
2105 }
2106 } else {
2107 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2108 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2109 if (tp_peer != tp &&
2110 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2111 return;
2112
b401e9e2
MC		 2113 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2114 (GRC_LCLCTRL_GPIO_OE1 |
2115 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 2116
b401e9e2
MC		 2117 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2118 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 2119
b401e9e2
MC		 2120 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2121 (GRC_LCLCTRL_GPIO_OE1 |
2122 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 2123 }
2124 }
2125}
2126
e8f3f6ca
MC		 2127static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2128{
2129 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2130 return 1;
2131 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2132 if (speed != SPEED_10)
2133 return 1;
2134 } else if (speed == SPEED_10)
2135 return 1;
2136
2137 return 0;
2138}
2139
1da177e4
LT		 2140static int tg3_setup_phy(struct tg3 *, int);
2141
2142#define RESET_KIND_SHUTDOWN 0
2143#define RESET_KIND_INIT 1
2144#define RESET_KIND_SUSPEND 2
2145
2146static void tg3_write_sig_post_reset(struct tg3 *, int);
2147static int tg3_halt_cpu(struct tg3 *, u32);
2148
0a459aac 2149static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
15c3b696 2150{
ce057f01
MC		 2151 u32 val;
2152
5129724a
MC		 2153 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2154 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2155 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2156 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2157
2158 sg_dig_ctrl |=
2159 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2160 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2161 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2162 }
3f7045c1 2163 return;
5129724a 2164 }
3f7045c1 2165
60189ddf 2166 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
60189ddf
MC		 2167 tg3_bmcr_reset(tp);
2168 val = tr32(GRC_MISC_CFG);
2169 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2170 udelay(40);
2171 return;
0e5f784c
MC		 2172 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2173 u32 phytest;
2174 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2175 u32 phy;
2176
2177 tg3_writephy(tp, MII_ADVERTISE, 0);
2178 tg3_writephy(tp, MII_BMCR,
2179 BMCR_ANENABLE | BMCR_ANRESTART);
2180
2181 tg3_writephy(tp, MII_TG3_FET_TEST,
2182 phytest | MII_TG3_FET_SHADOW_EN);
2183 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2184 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2185 tg3_writephy(tp,
2186 MII_TG3_FET_SHDW_AUXMODE4,
2187 phy);
2188 }
2189 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2190 }
2191 return;
0a459aac 2192 } else if (do_low_power) {
715116a1
MC		 2193 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2194 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
0a459aac
MC		 2195
2196 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2197 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2198 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2199 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2200 MII_TG3_AUXCTL_PCTL_VREG_11V);
715116a1 2201 }
3f7045c1 2202
15c3b696
MC		 2203 /* The PHY should not be powered down on some chips because
2204 * of bugs.
2205 */
2206 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2207 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2208 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2209 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2210 return;
ce057f01 2211
bcb37f6c
MC		 2212 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2213 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
ce057f01
MC		 2214 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2215 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2216 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2217 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2218 }
2219
15c3b696
MC		 2220 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2221}
2222
ffbcfed4
MC		 2223/* tp->lock is held. */
2224static int tg3_nvram_lock(struct tg3 *tp)
2225{
2226 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2227 int i;
2228
2229 if (tp->nvram_lock_cnt == 0) {
2230 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2231 for (i = 0; i < 8000; i++) {
2232 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2233 break;
2234 udelay(20);
2235 }
2236 if (i == 8000) {
2237 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2238 return -ENODEV;
2239 }
2240 }
2241 tp->nvram_lock_cnt++;
2242 }
2243 return 0;
2244}
2245
2246/* tp->lock is held. */
2247static void tg3_nvram_unlock(struct tg3 *tp)
2248{
2249 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2250 if (tp->nvram_lock_cnt > 0)
2251 tp->nvram_lock_cnt--;
2252 if (tp->nvram_lock_cnt == 0)
2253 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2254 }
2255}
2256
2257/* tp->lock is held. */
2258static void tg3_enable_nvram_access(struct tg3 *tp)
2259{
2260 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 2261 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
ffbcfed4
MC		 2262 u32 nvaccess = tr32(NVRAM_ACCESS);
2263
2264 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2265 }
2266}
2267
2268/* tp->lock is held. */
2269static void tg3_disable_nvram_access(struct tg3 *tp)
2270{
2271 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 2272 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
ffbcfed4
MC		 2273 u32 nvaccess = tr32(NVRAM_ACCESS);
2274
2275 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2276 }
2277}
2278
2279static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2280 u32 offset, u32 *val)
2281{
2282 u32 tmp;
2283 int i;
2284
2285 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2286 return -EINVAL;
2287
2288 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2289 EEPROM_ADDR_DEVID_MASK |
2290 EEPROM_ADDR_READ);
2291 tw32(GRC_EEPROM_ADDR,
2292 tmp |
2293 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2294 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2295 EEPROM_ADDR_ADDR_MASK) |
2296 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2297
2298 for (i = 0; i < 1000; i++) {
2299 tmp = tr32(GRC_EEPROM_ADDR);
2300
2301 if (tmp & EEPROM_ADDR_COMPLETE)
2302 break;
2303 msleep(1);
2304 }
2305 if (!(tmp & EEPROM_ADDR_COMPLETE))
2306 return -EBUSY;
2307
62cedd11
MC		 2308 tmp = tr32(GRC_EEPROM_DATA);
2309
2310 /*
2311 * The data will always be opposite the native endian
2312 * format. Perform a blind byteswap to compensate.
2313 */
2314 *val = swab32(tmp);
2315
ffbcfed4
MC		 2316 return 0;
2317}
2318
2319#define NVRAM_CMD_TIMEOUT 10000
2320
2321static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2322{
2323 int i;
2324
2325 tw32(NVRAM_CMD, nvram_cmd);
2326 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2327 udelay(10);
2328 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2329 udelay(10);
2330 break;
2331 }
2332 }
2333
2334 if (i == NVRAM_CMD_TIMEOUT)
2335 return -EBUSY;
2336
2337 return 0;
2338}
2339
2340static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2341{
2342 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2343 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2344 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2345 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2346 (tp->nvram_jedecnum == JEDEC_ATMEL))
2347
2348 addr = ((addr / tp->nvram_pagesize) <<
2349 ATMEL_AT45DB0X1B_PAGE_POS) +
2350 (addr % tp->nvram_pagesize);
2351
2352 return addr;
2353}
2354
2355static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2356{
2357 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2358 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2359 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2360 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2361 (tp->nvram_jedecnum == JEDEC_ATMEL))
2362
2363 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2364 tp->nvram_pagesize) +
2365 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2366
2367 return addr;
2368}
2369
e4f34110
MC		 2370/* NOTE: Data read in from NVRAM is byteswapped according to
2371 * the byteswapping settings for all other register accesses.
2372 * tg3 devices are BE devices, so on a BE machine, the data
2373 * returned will be exactly as it is seen in NVRAM. On a LE
2374 * machine, the 32-bit value will be byteswapped.
2375 */
ffbcfed4
MC		 2376static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2377{
2378 int ret;
2379
2380 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2381 return tg3_nvram_read_using_eeprom(tp, offset, val);
2382
2383 offset = tg3_nvram_phys_addr(tp, offset);
2384
2385 if (offset > NVRAM_ADDR_MSK)
2386 return -EINVAL;
2387
2388 ret = tg3_nvram_lock(tp);
2389 if (ret)
2390 return ret;
2391
2392 tg3_enable_nvram_access(tp);
2393
2394 tw32(NVRAM_ADDR, offset);
2395 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2396 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2397
2398 if (ret == 0)
e4f34110 2399 *val = tr32(NVRAM_RDDATA);
ffbcfed4
MC		 2400
2401 tg3_disable_nvram_access(tp);
2402
2403 tg3_nvram_unlock(tp);
2404
2405 return ret;
2406}
2407
a9dc529d
MC		 2408/* Ensures NVRAM data is in bytestream format. */
2409static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
ffbcfed4
MC		 2410{
2411 u32 v;
a9dc529d 2412 int res = tg3_nvram_read(tp, offset, &v);
ffbcfed4 2413 if (!res)
a9dc529d 2414 *val = cpu_to_be32(v);
ffbcfed4
MC		 2415 return res;
2416}
2417
3f007891
MC		 2418/* tp->lock is held. */
2419static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2420{
2421 u32 addr_high, addr_low;
2422 int i;
2423
2424 addr_high = ((tp->dev->dev_addr[0] << 8) |
2425 tp->dev->dev_addr[1]);
2426 addr_low = ((tp->dev->dev_addr[2] << 24) |
2427 (tp->dev->dev_addr[3] << 16) |
2428 (tp->dev->dev_addr[4] << 8) |
2429 (tp->dev->dev_addr[5] << 0));
2430 for (i = 0; i < 4; i++) {
2431 if (i == 1 && skip_mac_1)
2432 continue;
2433 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2434 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2435 }
2436
2437 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2438 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2439 for (i = 0; i < 12; i++) {
2440 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2441 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2442 }
2443 }
2444
2445 addr_high = (tp->dev->dev_addr[0] +
2446 tp->dev->dev_addr[1] +
2447 tp->dev->dev_addr[2] +
2448 tp->dev->dev_addr[3] +
2449 tp->dev->dev_addr[4] +
2450 tp->dev->dev_addr[5]) &
2451 TX_BACKOFF_SEED_MASK;
2452 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2453}
2454
bc1c7567 2455static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 2456{
2457 u32 misc_host_ctrl;
0a459aac 2458 bool device_should_wake, do_low_power;
1da177e4
LT		 2459
2460 /* Make sure register accesses (indirect or otherwise)
2461 * will function correctly.
2462 */
2463 pci_write_config_dword(tp->pdev,
2464 TG3PCI_MISC_HOST_CTRL,
2465 tp->misc_host_ctrl);
2466
1da177e4 2467 switch (state) {
bc1c7567 2468 case PCI_D0:
12dac075
RW		 2469 pci_enable_wake(tp->pdev, state, false);
2470 pci_set_power_state(tp->pdev, PCI_D0);
8c6bda1a 2471
9d26e213
MC		 2472 /* Switch out of Vaux if it is a NIC */
2473 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 2474 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 2475
2476 return 0;
2477
bc1c7567 2478 case PCI_D1:
bc1c7567 2479 case PCI_D2:
bc1c7567 2480 case PCI_D3hot:
1da177e4
LT		 2481 break;
2482
2483 default:
12dac075
RW		 2484 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2485 tp->dev->name, state);
1da177e4 2486 return -EINVAL;
855e1111 2487 }
5e7dfd0f
MC		 2488
2489 /* Restore the CLKREQ setting. */
2490 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2491 u16 lnkctl;
2492
2493 pci_read_config_word(tp->pdev,
2494 tp->pcie_cap + PCI_EXP_LNKCTL,
2495 &lnkctl);
2496 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2497 pci_write_config_word(tp->pdev,
2498 tp->pcie_cap + PCI_EXP_LNKCTL,
2499 lnkctl);
2500 }
2501
1da177e4
LT		 2502 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2503 tw32(TG3PCI_MISC_HOST_CTRL,
2504 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2505
05ac4cb7
MC		 2506 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2507 device_may_wakeup(&tp->pdev->dev) &&
2508 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2509
dd477003 2510 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
0a459aac 2511 do_low_power = false;
b02fd9e3
MC		 2512 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2513 !tp->link_config.phy_is_low_power) {
2514 struct phy_device *phydev;
0a459aac 2515 u32 phyid, advertising;
b02fd9e3 2516
3f0e3ad7 2517 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 2518
2519 tp->link_config.phy_is_low_power = 1;
2520
2521 tp->link_config.orig_speed = phydev->speed;
2522 tp->link_config.orig_duplex = phydev->duplex;
2523 tp->link_config.orig_autoneg = phydev->autoneg;
2524 tp->link_config.orig_advertising = phydev->advertising;
2525
2526 advertising = ADVERTISED_TP |
2527 ADVERTISED_Pause |
2528 ADVERTISED_Autoneg |
2529 ADVERTISED_10baseT_Half;
2530
2531 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
05ac4cb7 2532 device_should_wake) {
b02fd9e3
MC		 2533 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2534 advertising |=
2535 ADVERTISED_100baseT_Half |
2536 ADVERTISED_100baseT_Full |
2537 ADVERTISED_10baseT_Full;
2538 else
2539 advertising |= ADVERTISED_10baseT_Full;
2540 }
2541
2542 phydev->advertising = advertising;
2543
2544 phy_start_aneg(phydev);
0a459aac
MC		 2545
2546 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2547 if (phyid != TG3_PHY_ID_BCMAC131) {
2548 phyid &= TG3_PHY_OUI_MASK;
f72b5349
RK		 2549 if (phyid == TG3_PHY_OUI_1 ||
2550 phyid == TG3_PHY_OUI_2 ||
0a459aac
MC		 2551 phyid == TG3_PHY_OUI_3)
2552 do_low_power = true;
2553 }
b02fd9e3 2554 }
dd477003 2555 } else {
2023276e 2556 do_low_power = true;
0a459aac 2557
dd477003
MC		 2558 if (tp->link_config.phy_is_low_power == 0) {
2559 tp->link_config.phy_is_low_power = 1;
2560 tp->link_config.orig_speed = tp->link_config.speed;
2561 tp->link_config.orig_duplex = tp->link_config.duplex;
2562 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2563 }
1da177e4 2564
dd477003
MC		 2565 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2566 tp->link_config.speed = SPEED_10;
2567 tp->link_config.duplex = DUPLEX_HALF;
2568 tp->link_config.autoneg = AUTONEG_ENABLE;
2569 tg3_setup_phy(tp, 0);
2570 }
1da177e4
LT		 2571 }
2572
b5d3772c
MC		 2573 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2574 u32 val;
2575
2576 val = tr32(GRC_VCPU_EXT_CTRL);
2577 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2578 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 2579 int i;
2580 u32 val;
2581
2582 for (i = 0; i < 200; i++) {
2583 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2584 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2585 break;
2586 msleep(1);
2587 }
2588 }
a85feb8c
GZ		 2589 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2590 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2591 WOL_DRV_STATE_SHUTDOWN |
2592 WOL_DRV_WOL |
2593 WOL_SET_MAGIC_PKT);
6921d201 2594
05ac4cb7 2595 if (device_should_wake) {
1da177e4
LT		 2596 u32 mac_mode;
2597
2598 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
0a459aac 2599 if (do_low_power) {
dd477003
MC		 2600 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2601 udelay(40);
2602 }
1da177e4 2603
3f7045c1
MC		 2604 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2605 mac_mode = MAC_MODE_PORT_MODE_GMII;
2606 else
2607 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4 2608
e8f3f6ca
MC		 2609 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2610 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2611 ASIC_REV_5700) {
2612 u32 speed = (tp->tg3_flags &
2613 TG3_FLAG_WOL_SPEED_100MB) ?
2614 SPEED_100 : SPEED_10;
2615 if (tg3_5700_link_polarity(tp, speed))
2616 mac_mode |= MAC_MODE_LINK_POLARITY;
2617 else
2618 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2619 }
1da177e4
LT		 2620 } else {
2621 mac_mode = MAC_MODE_PORT_MODE_TBI;
2622 }
2623
cbf46853 2624 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 2625 tw32(MAC_LED_CTRL, tp->led_ctrl);
2626
05ac4cb7
MC		 2627 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2628 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2629 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2630 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2631 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2632 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
1da177e4 2633
3bda1258
MC		 2634 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2635 mac_mode |= tp->mac_mode &
2636 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2637 if (mac_mode & MAC_MODE_APE_TX_EN)
2638 mac_mode |= MAC_MODE_TDE_ENABLE;
2639 }
2640
1da177e4
LT		 2641 tw32_f(MAC_MODE, mac_mode);
2642 udelay(100);
2643
2644 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2645 udelay(10);
2646 }
2647
2648 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2649 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2650 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2651 u32 base_val;
2652
2653 base_val = tp->pci_clock_ctrl;
2654 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2655 CLOCK_CTRL_TXCLK_DISABLE);
2656
b401e9e2
MC		 2657 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2658 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857 2659 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
795d01c5 2660 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
d7b0a857 2661 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 2662 /* do nothing */
85e94ced 2663 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 2664 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2665 u32 newbits1, newbits2;
2666
2667 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2668 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2669 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2670 CLOCK_CTRL_TXCLK_DISABLE |
2671 CLOCK_CTRL_ALTCLK);
2672 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2673 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2674 newbits1 = CLOCK_CTRL_625_CORE;
2675 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2676 } else {
2677 newbits1 = CLOCK_CTRL_ALTCLK;
2678 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2679 }
2680
b401e9e2
MC		 2681 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2682 40);
1da177e4 2683
b401e9e2
MC		 2684 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2685 40);
1da177e4
LT		 2686
2687 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2688 u32 newbits3;
2689
2690 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2691 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2692 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2693 CLOCK_CTRL_TXCLK_DISABLE |
2694 CLOCK_CTRL_44MHZ_CORE);
2695 } else {
2696 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2697 }
2698
b401e9e2
MC		 2699 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2700 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 2701 }
2702 }
2703
05ac4cb7 2704 if (!(device_should_wake) &&
22435849 2705 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
0a459aac 2706 tg3_power_down_phy(tp, do_low_power);
6921d201 2707
1da177e4
LT		 2708 tg3_frob_aux_power(tp);
2709
2710 /* Workaround for unstable PLL clock */
2711 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2712 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2713 u32 val = tr32(0x7d00);
2714
2715 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2716 tw32(0x7d00, val);
6921d201 2717 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 2718 int err;
2719
2720 err = tg3_nvram_lock(tp);
1da177e4 2721 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 2722 if (!err)
2723 tg3_nvram_unlock(tp);
6921d201 2724 }
1da177e4
LT		 2725 }
2726
bbadf503
MC		 2727 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2728
05ac4cb7 2729 if (device_should_wake)
12dac075
RW		 2730 pci_enable_wake(tp->pdev, state, true);
2731
1da177e4 2732 /* Finally, set the new power state. */
12dac075 2733 pci_set_power_state(tp->pdev, state);
1da177e4 2734
1da177e4
LT		 2735 return 0;
2736}
2737
1da177e4
LT		 2738static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2739{
2740 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2741 case MII_TG3_AUX_STAT_10HALF:
2742 *speed = SPEED_10;
2743 *duplex = DUPLEX_HALF;
2744 break;
2745
2746 case MII_TG3_AUX_STAT_10FULL:
2747 *speed = SPEED_10;
2748 *duplex = DUPLEX_FULL;
2749 break;
2750
2751 case MII_TG3_AUX_STAT_100HALF:
2752 *speed = SPEED_100;
2753 *duplex = DUPLEX_HALF;
2754 break;
2755
2756 case MII_TG3_AUX_STAT_100FULL:
2757 *speed = SPEED_100;
2758 *duplex = DUPLEX_FULL;
2759 break;
2760
2761 case MII_TG3_AUX_STAT_1000HALF:
2762 *speed = SPEED_1000;
2763 *duplex = DUPLEX_HALF;
2764 break;
2765
2766 case MII_TG3_AUX_STAT_1000FULL:
2767 *speed = SPEED_1000;
2768 *duplex = DUPLEX_FULL;
2769 break;
2770
2771 default:
7f97a4bd 2772 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
715116a1
MC		 2773 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2774 SPEED_10;
2775 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2776 DUPLEX_HALF;
2777 break;
2778 }
1da177e4
LT		 2779 *speed = SPEED_INVALID;
2780 *duplex = DUPLEX_INVALID;
2781 break;
855e1111 2782 }
1da177e4
LT		 2783}
2784
2785static void tg3_phy_copper_begin(struct tg3 *tp)
2786{
2787 u32 new_adv;
2788 int i;
2789
2790 if (tp->link_config.phy_is_low_power) {
2791 /* Entering low power mode. Disable gigabit and
2792 * 100baseT advertisements.
2793 */
2794 tg3_writephy(tp, MII_TG3_CTRL, 0);
2795
2796 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2797 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2798 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2799 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2800
2801 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2802 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 2803 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2804 tp->link_config.advertising &=
2805 ~(ADVERTISED_1000baseT_Half |
2806 ADVERTISED_1000baseT_Full);
2807
ba4d07a8 2808 new_adv = ADVERTISE_CSMA;
1da177e4
LT		 2809 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2810 new_adv |= ADVERTISE_10HALF;
2811 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2812 new_adv |= ADVERTISE_10FULL;
2813 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2814 new_adv |= ADVERTISE_100HALF;
2815 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2816 new_adv |= ADVERTISE_100FULL;
ba4d07a8
MC		 2817
2818 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2819
1da177e4
LT		 2820 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2821
2822 if (tp->link_config.advertising &
2823 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2824 new_adv = 0;
2825 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2826 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2827 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2828 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2829 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2830 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2831 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2832 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2833 MII_TG3_CTRL_ENABLE_AS_MASTER);
2834 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2835 } else {
2836 tg3_writephy(tp, MII_TG3_CTRL, 0);
2837 }
2838 } else {
ba4d07a8
MC		 2839 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2840 new_adv |= ADVERTISE_CSMA;
2841
1da177e4
LT		 2842 /* Asking for a specific link mode. */
2843 if (tp->link_config.speed == SPEED_1000) {
1da177e4
LT		 2844 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2845
2846 if (tp->link_config.duplex == DUPLEX_FULL)
2847 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2848 else
2849 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2850 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2851 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2852 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2853 MII_TG3_CTRL_ENABLE_AS_MASTER);
1da177e4 2854 } else {
1da177e4
LT		 2855 if (tp->link_config.speed == SPEED_100) {
2856 if (tp->link_config.duplex == DUPLEX_FULL)
2857 new_adv |= ADVERTISE_100FULL;
2858 else
2859 new_adv |= ADVERTISE_100HALF;
2860 } else {
2861 if (tp->link_config.duplex == DUPLEX_FULL)
2862 new_adv |= ADVERTISE_10FULL;
2863 else
2864 new_adv |= ADVERTISE_10HALF;
2865 }
2866 tg3_writephy(tp, MII_ADVERTISE, new_adv);
ba4d07a8
MC		 2867
2868 new_adv = 0;
1da177e4 2869 }
ba4d07a8
MC		 2870
2871 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1da177e4
LT		 2872 }
2873
2874 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2875 tp->link_config.speed != SPEED_INVALID) {
2876 u32 bmcr, orig_bmcr;
2877
2878 tp->link_config.active_speed = tp->link_config.speed;
2879 tp->link_config.active_duplex = tp->link_config.duplex;
2880
2881 bmcr = 0;
2882 switch (tp->link_config.speed) {
2883 default:
2884 case SPEED_10:
2885 break;
2886
2887 case SPEED_100:
2888 bmcr |= BMCR_SPEED100;
2889 break;
2890
2891 case SPEED_1000:
2892 bmcr |= TG3_BMCR_SPEED1000;
2893 break;
855e1111 2894 }
1da177e4
LT		 2895
2896 if (tp->link_config.duplex == DUPLEX_FULL)
2897 bmcr |= BMCR_FULLDPLX;
2898
2899 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2900 (bmcr != orig_bmcr)) {
2901 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2902 for (i = 0; i < 1500; i++) {
2903 u32 tmp;
2904
2905 udelay(10);
2906 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2907 tg3_readphy(tp, MII_BMSR, &tmp))
2908 continue;
2909 if (!(tmp & BMSR_LSTATUS)) {
2910 udelay(40);
2911 break;
2912 }
2913 }
2914 tg3_writephy(tp, MII_BMCR, bmcr);
2915 udelay(40);
2916 }
2917 } else {
2918 tg3_writephy(tp, MII_BMCR,
2919 BMCR_ANENABLE | BMCR_ANRESTART);
2920 }
2921}
2922
2923static int tg3_init_5401phy_dsp(struct tg3 *tp)
2924{
2925 int err;
2926
2927 /* Turn off tap power management. */
2928 /* Set Extended packet length bit */
2929 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2930
2931 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2932 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2933
2934 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2935 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2936
2937 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2938 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2939
2940 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2941 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2942
2943 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2944 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2945
2946 udelay(40);
2947
2948 return err;
2949}
2950
3600d918 2951static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 2952{
3600d918
MC		 2953 u32 adv_reg, all_mask = 0;
2954
2955 if (mask & ADVERTISED_10baseT_Half)
2956 all_mask |= ADVERTISE_10HALF;
2957 if (mask & ADVERTISED_10baseT_Full)
2958 all_mask |= ADVERTISE_10FULL;
2959 if (mask & ADVERTISED_100baseT_Half)
2960 all_mask |= ADVERTISE_100HALF;
2961 if (mask & ADVERTISED_100baseT_Full)
2962 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 2963
2964 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2965 return 0;
2966
1da177e4
LT		 2967 if ((adv_reg & all_mask) != all_mask)
2968 return 0;
2969 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2970 u32 tg3_ctrl;
2971
3600d918
MC		 2972 all_mask = 0;
2973 if (mask & ADVERTISED_1000baseT_Half)
2974 all_mask |= ADVERTISE_1000HALF;
2975 if (mask & ADVERTISED_1000baseT_Full)
2976 all_mask |= ADVERTISE_1000FULL;
2977
1da177e4
LT		 2978 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2979 return 0;
2980
1da177e4
LT		 2981 if ((tg3_ctrl & all_mask) != all_mask)
2982 return 0;
2983 }
2984 return 1;
2985}
2986
ef167e27
MC		 2987static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2988{
2989 u32 curadv, reqadv;
2990
2991 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2992 return 1;
2993
2994 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2995 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2996
2997 if (tp->link_config.active_duplex == DUPLEX_FULL) {
2998 if (curadv != reqadv)
2999 return 0;
3000
3001 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3002 tg3_readphy(tp, MII_LPA, rmtadv);
3003 } else {
3004 /* Reprogram the advertisement register, even if it
3005 * does not affect the current link. If the link
3006 * gets renegotiated in the future, we can save an
3007 * additional renegotiation cycle by advertising
3008 * it correctly in the first place.
3009 */
3010 if (curadv != reqadv) {
3011 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3012 ADVERTISE_PAUSE_ASYM);
3013 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3014 }
3015 }
3016
3017 return 1;
3018}
3019
1da177e4
LT		 3020static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3021{
3022 int current_link_up;
3023 u32 bmsr, dummy;
ef167e27 3024 u32 lcl_adv, rmt_adv;
1da177e4
LT		 3025 u16 current_speed;
3026 u8 current_duplex;
3027 int i, err;
3028
3029 tw32(MAC_EVENT, 0);
3030
3031 tw32_f(MAC_STATUS,
3032 (MAC_STATUS_SYNC_CHANGED |
3033 MAC_STATUS_CFG_CHANGED |
3034 MAC_STATUS_MI_COMPLETION |
3035 MAC_STATUS_LNKSTATE_CHANGED));
3036 udelay(40);
3037
8ef21428
MC		 3038 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3039 tw32_f(MAC_MI_MODE,
3040 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3041 udelay(80);
3042 }
1da177e4
LT		 3043
3044 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3045
3046 /* Some third-party PHYs need to be reset on link going
3047 * down.
3048 */
3049 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3050 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3051 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3052 netif_carrier_ok(tp->dev)) {
3053 tg3_readphy(tp, MII_BMSR, &bmsr);
3054 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3055 !(bmsr & BMSR_LSTATUS))
3056 force_reset = 1;
3057 }
3058 if (force_reset)
3059 tg3_phy_reset(tp);
3060
3061 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
3062 tg3_readphy(tp, MII_BMSR, &bmsr);
3063 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3064 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3065 bmsr = 0;
3066
3067 if (!(bmsr & BMSR_LSTATUS)) {
3068 err = tg3_init_5401phy_dsp(tp);
3069 if (err)
3070 return err;
3071
3072 tg3_readphy(tp, MII_BMSR, &bmsr);
3073 for (i = 0; i < 1000; i++) {
3074 udelay(10);
3075 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3076 (bmsr & BMSR_LSTATUS)) {
3077 udelay(40);
3078 break;
3079 }
3080 }
3081
3082 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
3083 !(bmsr & BMSR_LSTATUS) &&
3084 tp->link_config.active_speed == SPEED_1000) {
3085 err = tg3_phy_reset(tp);
3086 if (!err)
3087 err = tg3_init_5401phy_dsp(tp);
3088 if (err)
3089 return err;
3090 }
3091 }
3092 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3093 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3094 /* 5701 {A0,B0} CRC bug workaround */
3095 tg3_writephy(tp, 0x15, 0x0a75);
3096 tg3_writephy(tp, 0x1c, 0x8c68);
3097 tg3_writephy(tp, 0x1c, 0x8d68);
3098 tg3_writephy(tp, 0x1c, 0x8c68);
3099 }
3100
3101 /* Clear pending interrupts... */
3102 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3103 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3104
3105 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3106 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
7f97a4bd 3107 else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
1da177e4
LT		 3108 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3109
3110 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3111 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3112 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3113 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3114 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3115 else
3116 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3117 }
3118
3119 current_link_up = 0;
3120 current_speed = SPEED_INVALID;
3121 current_duplex = DUPLEX_INVALID;
3122
3123 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3124 u32 val;
3125
3126 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3127 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3128 if (!(val & (1 << 10))) {
3129 val |= (1 << 10);
3130 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3131 goto relink;
3132 }
3133 }
3134
3135 bmsr = 0;
3136 for (i = 0; i < 100; i++) {
3137 tg3_readphy(tp, MII_BMSR, &bmsr);
3138 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3139 (bmsr & BMSR_LSTATUS))
3140 break;
3141 udelay(40);
3142 }
3143
3144 if (bmsr & BMSR_LSTATUS) {
3145 u32 aux_stat, bmcr;
3146
3147 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3148 for (i = 0; i < 2000; i++) {
3149 udelay(10);
3150 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3151 aux_stat)
3152 break;
3153 }
3154
3155 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3156 &current_speed,
3157 &current_duplex);
3158
3159 bmcr = 0;
3160 for (i = 0; i < 200; i++) {
3161 tg3_readphy(tp, MII_BMCR, &bmcr);
3162 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3163 continue;
3164 if (bmcr && bmcr != 0x7fff)
3165 break;
3166 udelay(10);
3167 }
3168
ef167e27
MC		 3169 lcl_adv = 0;
3170 rmt_adv = 0;
1da177e4 3171
ef167e27
MC		 3172 tp->link_config.active_speed = current_speed;
3173 tp->link_config.active_duplex = current_duplex;
3174
3175 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3176 if ((bmcr & BMCR_ANENABLE) &&
3177 tg3_copper_is_advertising_all(tp,
3178 tp->link_config.advertising)) {
3179 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3180 &rmt_adv))
3181 current_link_up = 1;
1da177e4
LT		 3182 }
3183 } else {
3184 if (!(bmcr & BMCR_ANENABLE) &&
3185 tp->link_config.speed == current_speed &&
ef167e27
MC		 3186 tp->link_config.duplex == current_duplex &&
3187 tp->link_config.flowctrl ==
3188 tp->link_config.active_flowctrl) {
1da177e4 3189 current_link_up = 1;
1da177e4
LT		 3190 }
3191 }
3192
ef167e27
MC		 3193 if (current_link_up == 1 &&
3194 tp->link_config.active_duplex == DUPLEX_FULL)
3195 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1da177e4
LT		 3196 }
3197
1da177e4 3198relink:
6921d201 3199 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 3200 u32 tmp;
3201
3202 tg3_phy_copper_begin(tp);
3203
3204 tg3_readphy(tp, MII_BMSR, &tmp);
3205 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3206 (tmp & BMSR_LSTATUS))
3207 current_link_up = 1;
3208 }
3209
3210 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3211 if (current_link_up == 1) {
3212 if (tp->link_config.active_speed == SPEED_100 ||
3213 tp->link_config.active_speed == SPEED_10)
3214 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3215 else
3216 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
7f97a4bd
MC		 3217 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3218 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3219 else
1da177e4
LT		 3220 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3221
3222 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3223 if (tp->link_config.active_duplex == DUPLEX_HALF)
3224 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3225
1da177e4 3226 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
e8f3f6ca
MC		 3227 if (current_link_up == 1 &&
3228 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
1da177e4 3229 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
e8f3f6ca
MC		 3230 else
3231 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1da177e4
LT		 3232 }
3233
3234 /* ??? Without this setting Netgear GA302T PHY does not
3235 * ??? send/receive packets...
3236 */
3237 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3238 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3239 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3240 tw32_f(MAC_MI_MODE, tp->mi_mode);
3241 udelay(80);
3242 }
3243
3244 tw32_f(MAC_MODE, tp->mac_mode);
3245 udelay(40);
3246
3247 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3248 /* Polled via timer. */
3249 tw32_f(MAC_EVENT, 0);
3250 } else {
3251 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3252 }
3253 udelay(40);
3254
3255 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3256 current_link_up == 1 &&
3257 tp->link_config.active_speed == SPEED_1000 &&
3258 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3259 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3260 udelay(120);
3261 tw32_f(MAC_STATUS,
3262 (MAC_STATUS_SYNC_CHANGED |
3263 MAC_STATUS_CFG_CHANGED));
3264 udelay(40);
3265 tg3_write_mem(tp,
3266 NIC_SRAM_FIRMWARE_MBOX,
3267 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3268 }
3269
5e7dfd0f
MC		 3270 /* Prevent send BD corruption. */
3271 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3272 u16 oldlnkctl, newlnkctl;
3273
3274 pci_read_config_word(tp->pdev,
3275 tp->pcie_cap + PCI_EXP_LNKCTL,
3276 &oldlnkctl);
3277 if (tp->link_config.active_speed == SPEED_100 ||
3278 tp->link_config.active_speed == SPEED_10)
3279 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3280 else
3281 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3282 if (newlnkctl != oldlnkctl)
3283 pci_write_config_word(tp->pdev,
3284 tp->pcie_cap + PCI_EXP_LNKCTL,
3285 newlnkctl);
3286 }
3287
1da177e4
LT		 3288 if (current_link_up != netif_carrier_ok(tp->dev)) {
3289 if (current_link_up)
3290 netif_carrier_on(tp->dev);
3291 else
3292 netif_carrier_off(tp->dev);
3293 tg3_link_report(tp);
3294 }
3295
3296 return 0;
3297}
3298
3299struct tg3_fiber_aneginfo {
3300 int state;
3301#define ANEG_STATE_UNKNOWN 0
3302#define ANEG_STATE_AN_ENABLE 1
3303#define ANEG_STATE_RESTART_INIT 2
3304#define ANEG_STATE_RESTART 3
3305#define ANEG_STATE_DISABLE_LINK_OK 4
3306#define ANEG_STATE_ABILITY_DETECT_INIT 5
3307#define ANEG_STATE_ABILITY_DETECT 6
3308#define ANEG_STATE_ACK_DETECT_INIT 7
3309#define ANEG_STATE_ACK_DETECT 8
3310#define ANEG_STATE_COMPLETE_ACK_INIT 9
3311#define ANEG_STATE_COMPLETE_ACK 10
3312#define ANEG_STATE_IDLE_DETECT_INIT 11
3313#define ANEG_STATE_IDLE_DETECT 12
3314#define ANEG_STATE_LINK_OK 13
3315#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3316#define ANEG_STATE_NEXT_PAGE_WAIT 15
3317
3318 u32 flags;
3319#define MR_AN_ENABLE 0x00000001
3320#define MR_RESTART_AN 0x00000002
3321#define MR_AN_COMPLETE 0x00000004
3322#define MR_PAGE_RX 0x00000008
3323#define MR_NP_LOADED 0x00000010
3324#define MR_TOGGLE_TX 0x00000020
3325#define MR_LP_ADV_FULL_DUPLEX 0x00000040
3326#define MR_LP_ADV_HALF_DUPLEX 0x00000080
3327#define MR_LP_ADV_SYM_PAUSE 0x00000100
3328#define MR_LP_ADV_ASYM_PAUSE 0x00000200
3329#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3330#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3331#define MR_LP_ADV_NEXT_PAGE 0x00001000
3332#define MR_TOGGLE_RX 0x00002000
3333#define MR_NP_RX 0x00004000
3334
3335#define MR_LINK_OK 0x80000000
3336
3337 unsigned long link_time, cur_time;
3338
3339 u32 ability_match_cfg;
3340 int ability_match_count;
3341
3342 char ability_match, idle_match, ack_match;
3343
3344 u32 txconfig, rxconfig;
3345#define ANEG_CFG_NP 0x00000080
3346#define ANEG_CFG_ACK 0x00000040
3347#define ANEG_CFG_RF2 0x00000020
3348#define ANEG_CFG_RF1 0x00000010
3349#define ANEG_CFG_PS2 0x00000001
3350#define ANEG_CFG_PS1 0x00008000
3351#define ANEG_CFG_HD 0x00004000
3352#define ANEG_CFG_FD 0x00002000
3353#define ANEG_CFG_INVAL 0x00001f06
3354
3355};
3356#define ANEG_OK 0
3357#define ANEG_DONE 1
3358#define ANEG_TIMER_ENAB 2
3359#define ANEG_FAILED -1
3360
3361#define ANEG_STATE_SETTLE_TIME 10000
3362
3363static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3364 struct tg3_fiber_aneginfo *ap)
3365{
5be73b47 3366 u16 flowctrl;
1da177e4
LT		 3367 unsigned long delta;
3368 u32 rx_cfg_reg;
3369 int ret;
3370
3371 if (ap->state == ANEG_STATE_UNKNOWN) {
3372 ap->rxconfig = 0;
3373 ap->link_time = 0;
3374 ap->cur_time = 0;
3375 ap->ability_match_cfg = 0;
3376 ap->ability_match_count = 0;
3377 ap->ability_match = 0;
3378 ap->idle_match = 0;
3379 ap->ack_match = 0;
3380 }
3381 ap->cur_time++;
3382
3383 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3384 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3385
3386 if (rx_cfg_reg != ap->ability_match_cfg) {
3387 ap->ability_match_cfg = rx_cfg_reg;
3388 ap->ability_match = 0;
3389 ap->ability_match_count = 0;
3390 } else {
3391 if (++ap->ability_match_count > 1) {
3392 ap->ability_match = 1;
3393 ap->ability_match_cfg = rx_cfg_reg;
3394 }
3395 }
3396 if (rx_cfg_reg & ANEG_CFG_ACK)
3397 ap->ack_match = 1;
3398 else
3399 ap->ack_match = 0;
3400
3401 ap->idle_match = 0;
3402 } else {
3403 ap->idle_match = 1;
3404 ap->ability_match_cfg = 0;
3405 ap->ability_match_count = 0;
3406 ap->ability_match = 0;
3407 ap->ack_match = 0;
3408
3409 rx_cfg_reg = 0;
3410 }
3411
3412 ap->rxconfig = rx_cfg_reg;
3413 ret = ANEG_OK;
3414
3415 switch(ap->state) {
3416 case ANEG_STATE_UNKNOWN:
3417 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3418 ap->state = ANEG_STATE_AN_ENABLE;
3419
3420 /* fallthru */
3421 case ANEG_STATE_AN_ENABLE:
3422 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3423 if (ap->flags & MR_AN_ENABLE) {
3424 ap->link_time = 0;
3425 ap->cur_time = 0;
3426 ap->ability_match_cfg = 0;
3427 ap->ability_match_count = 0;
3428 ap->ability_match = 0;
3429 ap->idle_match = 0;
3430 ap->ack_match = 0;
3431
3432 ap->state = ANEG_STATE_RESTART_INIT;
3433 } else {
3434 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3435 }
3436 break;
3437
3438 case ANEG_STATE_RESTART_INIT:
3439 ap->link_time = ap->cur_time;
3440 ap->flags &= ~(MR_NP_LOADED);
3441 ap->txconfig = 0;
3442 tw32(MAC_TX_AUTO_NEG, 0);
3443 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3444 tw32_f(MAC_MODE, tp->mac_mode);
3445 udelay(40);
3446
3447 ret = ANEG_TIMER_ENAB;
3448 ap->state = ANEG_STATE_RESTART;
3449
3450 /* fallthru */
3451 case ANEG_STATE_RESTART:
3452 delta = ap->cur_time - ap->link_time;
3453 if (delta > ANEG_STATE_SETTLE_TIME) {
3454 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3455 } else {
3456 ret = ANEG_TIMER_ENAB;
3457 }
3458 break;
3459
3460 case ANEG_STATE_DISABLE_LINK_OK:
3461 ret = ANEG_DONE;
3462 break;
3463
3464 case ANEG_STATE_ABILITY_DETECT_INIT:
3465 ap->flags &= ~(MR_TOGGLE_TX);
5be73b47
MC		 3466 ap->txconfig = ANEG_CFG_FD;
3467 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3468 if (flowctrl & ADVERTISE_1000XPAUSE)
3469 ap->txconfig |= ANEG_CFG_PS1;
3470 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3471 ap->txconfig |= ANEG_CFG_PS2;
1da177e4
LT		 3472 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3473 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3474 tw32_f(MAC_MODE, tp->mac_mode);
3475 udelay(40);
3476
3477 ap->state = ANEG_STATE_ABILITY_DETECT;
3478 break;
3479
3480 case ANEG_STATE_ABILITY_DETECT:
3481 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3482 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3483 }
3484 break;
3485
3486 case ANEG_STATE_ACK_DETECT_INIT:
3487 ap->txconfig |= ANEG_CFG_ACK;
3488 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3489 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3490 tw32_f(MAC_MODE, tp->mac_mode);
3491 udelay(40);
3492
3493 ap->state = ANEG_STATE_ACK_DETECT;
3494
3495 /* fallthru */
3496 case ANEG_STATE_ACK_DETECT:
3497 if (ap->ack_match != 0) {
3498 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3499 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3500 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3501 } else {
3502 ap->state = ANEG_STATE_AN_ENABLE;
3503 }
3504 } else if (ap->ability_match != 0 &&
3505 ap->rxconfig == 0) {
3506 ap->state = ANEG_STATE_AN_ENABLE;
3507 }
3508 break;
3509
3510 case ANEG_STATE_COMPLETE_ACK_INIT:
3511 if (ap->rxconfig & ANEG_CFG_INVAL) {
3512 ret = ANEG_FAILED;
3513 break;
3514 }
3515 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3516 MR_LP_ADV_HALF_DUPLEX |
3517 MR_LP_ADV_SYM_PAUSE |
3518 MR_LP_ADV_ASYM_PAUSE |
3519 MR_LP_ADV_REMOTE_FAULT1 |
3520 MR_LP_ADV_REMOTE_FAULT2 |
3521 MR_LP_ADV_NEXT_PAGE |
3522 MR_TOGGLE_RX |
3523 MR_NP_RX);
3524 if (ap->rxconfig & ANEG_CFG_FD)
3525 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3526 if (ap->rxconfig & ANEG_CFG_HD)
3527 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3528 if (ap->rxconfig & ANEG_CFG_PS1)
3529 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3530 if (ap->rxconfig & ANEG_CFG_PS2)
3531 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3532 if (ap->rxconfig & ANEG_CFG_RF1)
3533 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3534 if (ap->rxconfig & ANEG_CFG_RF2)
3535 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3536 if (ap->rxconfig & ANEG_CFG_NP)
3537 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3538
3539 ap->link_time = ap->cur_time;
3540
3541 ap->flags ^= (MR_TOGGLE_TX);
3542 if (ap->rxconfig & 0x0008)
3543 ap->flags |= MR_TOGGLE_RX;
3544 if (ap->rxconfig & ANEG_CFG_NP)
3545 ap->flags |= MR_NP_RX;
3546 ap->flags |= MR_PAGE_RX;
3547
3548 ap->state = ANEG_STATE_COMPLETE_ACK;
3549 ret = ANEG_TIMER_ENAB;
3550 break;
3551
3552 case ANEG_STATE_COMPLETE_ACK:
3553 if (ap->ability_match != 0 &&
3554 ap->rxconfig == 0) {
3555 ap->state = ANEG_STATE_AN_ENABLE;
3556 break;
3557 }
3558 delta = ap->cur_time - ap->link_time;
3559 if (delta > ANEG_STATE_SETTLE_TIME) {
3560 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3561 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3562 } else {
3563 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3564 !(ap->flags & MR_NP_RX)) {
3565 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3566 } else {
3567 ret = ANEG_FAILED;
3568 }
3569 }
3570 }
3571 break;
3572
3573 case ANEG_STATE_IDLE_DETECT_INIT:
3574 ap->link_time = ap->cur_time;
3575 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3576 tw32_f(MAC_MODE, tp->mac_mode);
3577 udelay(40);
3578
3579 ap->state = ANEG_STATE_IDLE_DETECT;
3580 ret = ANEG_TIMER_ENAB;
3581 break;
3582
3583 case ANEG_STATE_IDLE_DETECT:
3584 if (ap->ability_match != 0 &&
3585 ap->rxconfig == 0) {
3586 ap->state = ANEG_STATE_AN_ENABLE;
3587 break;
3588 }
3589 delta = ap->cur_time - ap->link_time;
3590 if (delta > ANEG_STATE_SETTLE_TIME) {
3591 /* XXX another gem from the Broadcom driver :( */
3592 ap->state = ANEG_STATE_LINK_OK;
3593 }
3594 break;
3595
3596 case ANEG_STATE_LINK_OK:
3597 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3598 ret = ANEG_DONE;
3599 break;
3600
3601 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3602 /* ??? unimplemented */
3603 break;
3604
3605 case ANEG_STATE_NEXT_PAGE_WAIT:
3606 /* ??? unimplemented */
3607 break;
3608
3609 default:
3610 ret = ANEG_FAILED;
3611 break;
855e1111 3612 }
1da177e4
LT		 3613
3614 return ret;
3615}
3616
5be73b47 3617static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
1da177e4
LT		 3618{
3619 int res = 0;
3620 struct tg3_fiber_aneginfo aninfo;
3621 int status = ANEG_FAILED;
3622 unsigned int tick;
3623 u32 tmp;
3624
3625 tw32_f(MAC_TX_AUTO_NEG, 0);
3626
3627 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3628 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3629 udelay(40);
3630
3631 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3632 udelay(40);
3633
3634 memset(&aninfo, 0, sizeof(aninfo));
3635 aninfo.flags |= MR_AN_ENABLE;
3636 aninfo.state = ANEG_STATE_UNKNOWN;
3637 aninfo.cur_time = 0;
3638 tick = 0;
3639 while (++tick < 195000) {
3640 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3641 if (status == ANEG_DONE || status == ANEG_FAILED)
3642 break;
3643
3644 udelay(1);
3645 }
3646
3647 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3648 tw32_f(MAC_MODE, tp->mac_mode);
3649 udelay(40);
3650
5be73b47
MC		 3651 *txflags = aninfo.txconfig;
3652 *rxflags = aninfo.flags;
1da177e4
LT		 3653
3654 if (status == ANEG_DONE &&
3655 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3656 MR_LP_ADV_FULL_DUPLEX)))
3657 res = 1;
3658
3659 return res;
3660}
3661
3662static void tg3_init_bcm8002(struct tg3 *tp)
3663{
3664 u32 mac_status = tr32(MAC_STATUS);
3665 int i;
3666
3667 /* Reset when initting first time or we have a link. */
3668 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3669 !(mac_status & MAC_STATUS_PCS_SYNCED))
3670 return;
3671
3672 /* Set PLL lock range. */
3673 tg3_writephy(tp, 0x16, 0x8007);
3674
3675 /* SW reset */
3676 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3677
3678 /* Wait for reset to complete. */
3679 /* XXX schedule_timeout() ... */
3680 for (i = 0; i < 500; i++)
3681 udelay(10);
3682
3683 /* Config mode; select PMA/Ch 1 regs. */
3684 tg3_writephy(tp, 0x10, 0x8411);
3685
3686 /* Enable auto-lock and comdet, select txclk for tx. */
3687 tg3_writephy(tp, 0x11, 0x0a10);
3688
3689 tg3_writephy(tp, 0x18, 0x00a0);
3690 tg3_writephy(tp, 0x16, 0x41ff);
3691
3692 /* Assert and deassert POR. */
3693 tg3_writephy(tp, 0x13, 0x0400);
3694 udelay(40);
3695 tg3_writephy(tp, 0x13, 0x0000);
3696
3697 tg3_writephy(tp, 0x11, 0x0a50);
3698 udelay(40);
3699 tg3_writephy(tp, 0x11, 0x0a10);
3700
3701 /* Wait for signal to stabilize */
3702 /* XXX schedule_timeout() ... */
3703 for (i = 0; i < 15000; i++)
3704 udelay(10);
3705
3706 /* Deselect the channel register so we can read the PHYID
3707 * later.
3708 */
3709 tg3_writephy(tp, 0x10, 0x8011);
3710}
3711
3712static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3713{
82cd3d11 3714 u16 flowctrl;
1da177e4
LT		 3715 u32 sg_dig_ctrl, sg_dig_status;
3716 u32 serdes_cfg, expected_sg_dig_ctrl;
3717 int workaround, port_a;
3718 int current_link_up;
3719
3720 serdes_cfg = 0;
3721 expected_sg_dig_ctrl = 0;
3722 workaround = 0;
3723 port_a = 1;
3724 current_link_up = 0;
3725
3726 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3727 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3728 workaround = 1;
3729 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3730 port_a = 0;
3731
3732 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3733 /* preserve bits 20-23 for voltage regulator */
3734 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3735 }
3736
3737 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3738
3739 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
c98f6e3b 3740 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
1da177e4
LT		 3741 if (workaround) {
3742 u32 val = serdes_cfg;
3743
3744 if (port_a)
3745 val |= 0xc010000;
3746 else
3747 val |= 0x4010000;
3748 tw32_f(MAC_SERDES_CFG, val);
3749 }
c98f6e3b
MC		 3750
3751 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 3752 }
3753 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3754 tg3_setup_flow_control(tp, 0, 0);
3755 current_link_up = 1;
3756 }
3757 goto out;
3758 }
3759
3760 /* Want auto-negotiation. */
c98f6e3b 3761 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
1da177e4 3762
82cd3d11
MC		 3763 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3764 if (flowctrl & ADVERTISE_1000XPAUSE)
3765 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3766 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3767 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
1da177e4
LT		 3768
3769 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 3770 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3771 tp->serdes_counter &&
3772 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3773 MAC_STATUS_RCVD_CFG)) ==
3774 MAC_STATUS_PCS_SYNCED)) {
3775 tp->serdes_counter--;
3776 current_link_up = 1;
3777 goto out;
3778 }
3779restart_autoneg:
1da177e4
LT		 3780 if (workaround)
3781 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
c98f6e3b 3782 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
1da177e4
LT		 3783 udelay(5);
3784 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3785
3d3ebe74
MC		 3786 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3787 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 3788 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3789 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 3790 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 3791 mac_status = tr32(MAC_STATUS);
3792
c98f6e3b 3793 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
1da177e4 3794 (mac_status & MAC_STATUS_PCS_SYNCED)) {
82cd3d11
MC		 3795 u32 local_adv = 0, remote_adv = 0;
3796
3797 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3798 local_adv |= ADVERTISE_1000XPAUSE;
3799 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3800 local_adv |= ADVERTISE_1000XPSE_ASYM;
1da177e4 3801
c98f6e3b 3802 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
82cd3d11 3803 remote_adv |= LPA_1000XPAUSE;
c98f6e3b 3804 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
82cd3d11 3805 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4
LT		 3806
3807 tg3_setup_flow_control(tp, local_adv, remote_adv);
3808 current_link_up = 1;
3d3ebe74
MC		 3809 tp->serdes_counter = 0;
3810 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
c98f6e3b 3811 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3d3ebe74
MC		 3812 if (tp->serdes_counter)
3813 tp->serdes_counter--;
1da177e4
LT		 3814 else {
3815 if (workaround) {
3816 u32 val = serdes_cfg;
3817
3818 if (port_a)
3819 val |= 0xc010000;
3820 else
3821 val |= 0x4010000;
3822
3823 tw32_f(MAC_SERDES_CFG, val);
3824 }
3825
c98f6e3b 3826 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 3827 udelay(40);
3828
3829 /* Link parallel detection - link is up */
3830 /* only if we have PCS_SYNC and not */
3831 /* receiving config code words */
3832 mac_status = tr32(MAC_STATUS);
3833 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3834 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3835 tg3_setup_flow_control(tp, 0, 0);
3836 current_link_up = 1;
3d3ebe74
MC		 3837 tp->tg3_flags2 |=
3838 TG3_FLG2_PARALLEL_DETECT;
3839 tp->serdes_counter =
3840 SERDES_PARALLEL_DET_TIMEOUT;
3841 } else
3842 goto restart_autoneg;
1da177e4
LT		 3843 }
3844 }
3d3ebe74
MC		 3845 } else {
3846 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3847 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 3848 }
3849
3850out:
3851 return current_link_up;
3852}
3853
3854static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3855{
3856 int current_link_up = 0;
3857
5cf64b8a 3858 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
1da177e4 3859 goto out;
1da177e4
LT		 3860
3861 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
5be73b47 3862 u32 txflags, rxflags;
1da177e4 3863 int i;
6aa20a22 3864
5be73b47
MC		 3865 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3866 u32 local_adv = 0, remote_adv = 0;
1da177e4 3867
5be73b47
MC		 3868 if (txflags & ANEG_CFG_PS1)
3869 local_adv |= ADVERTISE_1000XPAUSE;
3870 if (txflags & ANEG_CFG_PS2)
3871 local_adv |= ADVERTISE_1000XPSE_ASYM;
3872
3873 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3874 remote_adv |= LPA_1000XPAUSE;
3875 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3876 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4
LT		 3877
3878 tg3_setup_flow_control(tp, local_adv, remote_adv);
3879
1da177e4
LT		 3880 current_link_up = 1;
3881 }
3882 for (i = 0; i < 30; i++) {
3883 udelay(20);
3884 tw32_f(MAC_STATUS,
3885 (MAC_STATUS_SYNC_CHANGED |
3886 MAC_STATUS_CFG_CHANGED));
3887 udelay(40);
3888 if ((tr32(MAC_STATUS) &
3889 (MAC_STATUS_SYNC_CHANGED |
3890 MAC_STATUS_CFG_CHANGED)) == 0)
3891 break;
3892 }
3893
3894 mac_status = tr32(MAC_STATUS);
3895 if (current_link_up == 0 &&
3896 (mac_status & MAC_STATUS_PCS_SYNCED) &&
3897 !(mac_status & MAC_STATUS_RCVD_CFG))
3898 current_link_up = 1;
3899 } else {
5be73b47
MC		 3900 tg3_setup_flow_control(tp, 0, 0);
3901
1da177e4
LT		 3902 /* Forcing 1000FD link up. */
3903 current_link_up = 1;
1da177e4
LT		 3904
3905 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3906 udelay(40);
e8f3f6ca
MC		 3907
3908 tw32_f(MAC_MODE, tp->mac_mode);
3909 udelay(40);
1da177e4
LT		 3910 }
3911
3912out:
3913 return current_link_up;
3914}
3915
3916static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3917{
3918 u32 orig_pause_cfg;
3919 u16 orig_active_speed;
3920 u8 orig_active_duplex;
3921 u32 mac_status;
3922 int current_link_up;
3923 int i;
3924
8d018621 3925 orig_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 3926 orig_active_speed = tp->link_config.active_speed;
3927 orig_active_duplex = tp->link_config.active_duplex;
3928
3929 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3930 netif_carrier_ok(tp->dev) &&
3931 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3932 mac_status = tr32(MAC_STATUS);
3933 mac_status &= (MAC_STATUS_PCS_SYNCED |
3934 MAC_STATUS_SIGNAL_DET |
3935 MAC_STATUS_CFG_CHANGED |
3936 MAC_STATUS_RCVD_CFG);
3937 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3938 MAC_STATUS_SIGNAL_DET)) {
3939 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3940 MAC_STATUS_CFG_CHANGED));
3941 return 0;
3942 }
3943 }
3944
3945 tw32_f(MAC_TX_AUTO_NEG, 0);
3946
3947 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3948 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3949 tw32_f(MAC_MODE, tp->mac_mode);
3950 udelay(40);
3951
3952 if (tp->phy_id == PHY_ID_BCM8002)
3953 tg3_init_bcm8002(tp);
3954
3955 /* Enable link change event even when serdes polling. */
3956 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3957 udelay(40);
3958
3959 current_link_up = 0;
3960 mac_status = tr32(MAC_STATUS);
3961
3962 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3963 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3964 else
3965 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3966
898a56f8 3967 tp->napi[0].hw_status->status =
1da177e4 3968 (SD_STATUS_UPDATED |
898a56f8 3969 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
1da177e4
LT		 3970
3971 for (i = 0; i < 100; i++) {
3972 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3973 MAC_STATUS_CFG_CHANGED));
3974 udelay(5);
3975 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 3976 MAC_STATUS_CFG_CHANGED |
3977 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 3978 break;
3979 }
3980
3981 mac_status = tr32(MAC_STATUS);
3982 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3983 current_link_up = 0;
3d3ebe74
MC		 3984 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3985 tp->serdes_counter == 0) {
1da177e4
LT		 3986 tw32_f(MAC_MODE, (tp->mac_mode |
3987 MAC_MODE_SEND_CONFIGS));
3988 udelay(1);
3989 tw32_f(MAC_MODE, tp->mac_mode);
3990 }
3991 }
3992
3993 if (current_link_up == 1) {
3994 tp->link_config.active_speed = SPEED_1000;
3995 tp->link_config.active_duplex = DUPLEX_FULL;
3996 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3997 LED_CTRL_LNKLED_OVERRIDE |
3998 LED_CTRL_1000MBPS_ON));
3999 } else {
4000 tp->link_config.active_speed = SPEED_INVALID;
4001 tp->link_config.active_duplex = DUPLEX_INVALID;
4002 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4003 LED_CTRL_LNKLED_OVERRIDE |
4004 LED_CTRL_TRAFFIC_OVERRIDE));
4005 }
4006
4007 if (current_link_up != netif_carrier_ok(tp->dev)) {
4008 if (current_link_up)
4009 netif_carrier_on(tp->dev);
4010 else
4011 netif_carrier_off(tp->dev);
4012 tg3_link_report(tp);
4013 } else {
8d018621 4014 u32 now_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 4015 if (orig_pause_cfg != now_pause_cfg ||
4016 orig_active_speed != tp->link_config.active_speed ||
4017 orig_active_duplex != tp->link_config.active_duplex)
4018 tg3_link_report(tp);
4019 }
4020
4021 return 0;
4022}
4023
747e8f8b
MC		 4024static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4025{
4026 int current_link_up, err = 0;
4027 u32 bmsr, bmcr;
4028 u16 current_speed;
4029 u8 current_duplex;
ef167e27 4030 u32 local_adv, remote_adv;
747e8f8b
MC		 4031
4032 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4033 tw32_f(MAC_MODE, tp->mac_mode);
4034 udelay(40);
4035
4036 tw32(MAC_EVENT, 0);
4037
4038 tw32_f(MAC_STATUS,
4039 (MAC_STATUS_SYNC_CHANGED |
4040 MAC_STATUS_CFG_CHANGED |
4041 MAC_STATUS_MI_COMPLETION |
4042 MAC_STATUS_LNKSTATE_CHANGED));
4043 udelay(40);
4044
4045 if (force_reset)
4046 tg3_phy_reset(tp);
4047
4048 current_link_up = 0;
4049 current_speed = SPEED_INVALID;
4050 current_duplex = DUPLEX_INVALID;
4051
4052 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4053 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 4054 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4055 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4056 bmsr |= BMSR_LSTATUS;
4057 else
4058 bmsr &= ~BMSR_LSTATUS;
4059 }
747e8f8b
MC		 4060
4061 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4062
4063 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2bd3ed04 4064 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
747e8f8b
MC		 4065 /* do nothing, just check for link up at the end */
4066 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4067 u32 adv, new_adv;
4068
4069 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4070 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4071 ADVERTISE_1000XPAUSE |
4072 ADVERTISE_1000XPSE_ASYM |
4073 ADVERTISE_SLCT);
4074
ba4d07a8 4075 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
747e8f8b
MC		 4076
4077 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4078 new_adv |= ADVERTISE_1000XHALF;
4079 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4080 new_adv |= ADVERTISE_1000XFULL;
4081
4082 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4083 tg3_writephy(tp, MII_ADVERTISE, new_adv);
4084 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4085 tg3_writephy(tp, MII_BMCR, bmcr);
4086
4087 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 4088 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 4089 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4090
4091 return err;
4092 }
4093 } else {
4094 u32 new_bmcr;
4095
4096 bmcr &= ~BMCR_SPEED1000;
4097 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4098
4099 if (tp->link_config.duplex == DUPLEX_FULL)
4100 new_bmcr |= BMCR_FULLDPLX;
4101
4102 if (new_bmcr != bmcr) {
4103 /* BMCR_SPEED1000 is a reserved bit that needs
4104 * to be set on write.
4105 */
4106 new_bmcr |= BMCR_SPEED1000;
4107
4108 /* Force a linkdown */
4109 if (netif_carrier_ok(tp->dev)) {
4110 u32 adv;
4111
4112 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4113 adv &= ~(ADVERTISE_1000XFULL |
4114 ADVERTISE_1000XHALF |
4115 ADVERTISE_SLCT);
4116 tg3_writephy(tp, MII_ADVERTISE, adv);
4117 tg3_writephy(tp, MII_BMCR, bmcr |
4118 BMCR_ANRESTART |
4119 BMCR_ANENABLE);
4120 udelay(10);
4121 netif_carrier_off(tp->dev);
4122 }
4123 tg3_writephy(tp, MII_BMCR, new_bmcr);
4124 bmcr = new_bmcr;
4125 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4126 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 4127 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4128 ASIC_REV_5714) {
4129 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4130 bmsr |= BMSR_LSTATUS;
4131 else
4132 bmsr &= ~BMSR_LSTATUS;
4133 }
747e8f8b
MC		 4134 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4135 }
4136 }
4137
4138 if (bmsr & BMSR_LSTATUS) {
4139 current_speed = SPEED_1000;
4140 current_link_up = 1;
4141 if (bmcr & BMCR_FULLDPLX)
4142 current_duplex = DUPLEX_FULL;
4143 else
4144 current_duplex = DUPLEX_HALF;
4145
ef167e27
MC		 4146 local_adv = 0;
4147 remote_adv = 0;
4148
747e8f8b 4149 if (bmcr & BMCR_ANENABLE) {
ef167e27 4150 u32 common;
747e8f8b
MC		 4151
4152 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4153 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4154 common = local_adv & remote_adv;
4155 if (common & (ADVERTISE_1000XHALF |
4156 ADVERTISE_1000XFULL)) {
4157 if (common & ADVERTISE_1000XFULL)
4158 current_duplex = DUPLEX_FULL;
4159 else
4160 current_duplex = DUPLEX_HALF;
747e8f8b
MC		 4161 }
4162 else
4163 current_link_up = 0;
4164 }
4165 }
4166
ef167e27
MC		 4167 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4168 tg3_setup_flow_control(tp, local_adv, remote_adv);
4169
747e8f8b
MC		 4170 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4171 if (tp->link_config.active_duplex == DUPLEX_HALF)
4172 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4173
4174 tw32_f(MAC_MODE, tp->mac_mode);
4175 udelay(40);
4176
4177 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4178
4179 tp->link_config.active_speed = current_speed;
4180 tp->link_config.active_duplex = current_duplex;
4181
4182 if (current_link_up != netif_carrier_ok(tp->dev)) {
4183 if (current_link_up)
4184 netif_carrier_on(tp->dev);
4185 else {
4186 netif_carrier_off(tp->dev);
4187 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4188 }
4189 tg3_link_report(tp);
4190 }
4191 return err;
4192}
4193
4194static void tg3_serdes_parallel_detect(struct tg3 *tp)
4195{
3d3ebe74 4196 if (tp->serdes_counter) {
747e8f8b 4197 /* Give autoneg time to complete. */
3d3ebe74 4198 tp->serdes_counter--;
747e8f8b
MC		 4199 return;
4200 }
4201 if (!netif_carrier_ok(tp->dev) &&
4202 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4203 u32 bmcr;
4204
4205 tg3_readphy(tp, MII_BMCR, &bmcr);
4206 if (bmcr & BMCR_ANENABLE) {
4207 u32 phy1, phy2;
4208
4209 /* Select shadow register 0x1f */
4210 tg3_writephy(tp, 0x1c, 0x7c00);
4211 tg3_readphy(tp, 0x1c, &phy1);
4212
4213 /* Select expansion interrupt status register */
4214 tg3_writephy(tp, 0x17, 0x0f01);
4215 tg3_readphy(tp, 0x15, &phy2);
4216 tg3_readphy(tp, 0x15, &phy2);
4217
4218 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4219 /* We have signal detect and not receiving
4220 * config code words, link is up by parallel
4221 * detection.
4222 */
4223
4224 bmcr &= ~BMCR_ANENABLE;
4225 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4226 tg3_writephy(tp, MII_BMCR, bmcr);
4227 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4228 }
4229 }
4230 }
4231 else if (netif_carrier_ok(tp->dev) &&
4232 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4233 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4234 u32 phy2;
4235
4236 /* Select expansion interrupt status register */
4237 tg3_writephy(tp, 0x17, 0x0f01);
4238 tg3_readphy(tp, 0x15, &phy2);
4239 if (phy2 & 0x20) {
4240 u32 bmcr;
4241
4242 /* Config code words received, turn on autoneg. */
4243 tg3_readphy(tp, MII_BMCR, &bmcr);
4244 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4245
4246 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4247
4248 }
4249 }
4250}
4251
1da177e4
LT		 4252static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4253{
4254 int err;
4255
4256 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4257 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 4258 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4259 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 4260 } else {
4261 err = tg3_setup_copper_phy(tp, force_reset);
4262 }
4263
bcb37f6c 4264 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
aa6c91fe
MC		 4265 u32 val, scale;
4266
4267 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4268 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4269 scale = 65;
4270 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4271 scale = 6;
4272 else
4273 scale = 12;
4274
4275 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4276 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4277 tw32(GRC_MISC_CFG, val);
4278 }
4279
1da177e4
LT		 4280 if (tp->link_config.active_speed == SPEED_1000 &&
4281 tp->link_config.active_duplex == DUPLEX_HALF)
4282 tw32(MAC_TX_LENGTHS,
4283 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4284 (6 << TX_LENGTHS_IPG_SHIFT) |
4285 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4286 else
4287 tw32(MAC_TX_LENGTHS,
4288 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4289 (6 << TX_LENGTHS_IPG_SHIFT) |
4290 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4291
4292 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4293 if (netif_carrier_ok(tp->dev)) {
4294 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 4295 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 4296 } else {
4297 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4298 }
4299 }
4300
8ed5d97e
MC		 4301 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4302 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4303 if (!netif_carrier_ok(tp->dev))
4304 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4305 tp->pwrmgmt_thresh;
4306 else
4307 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4308 tw32(PCIE_PWR_MGMT_THRESH, val);
4309 }
4310
1da177e4
LT		 4311 return err;
4312}
4313
df3e6548
MC		 4314/* This is called whenever we suspect that the system chipset is re-
4315 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4316 * is bogus tx completions. We try to recover by setting the
4317 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4318 * in the workqueue.
4319 */
4320static void tg3_tx_recover(struct tg3 *tp)
4321{
4322 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4323 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4324
4325 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4326 "mapped I/O cycles to the network device, attempting to "
4327 "recover. Please report the problem to the driver maintainer "
4328 "and include system chipset information.\n", tp->dev->name);
4329
4330 spin_lock(&tp->lock);
df3e6548 4331 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 4332 spin_unlock(&tp->lock);
4333}
4334
f3f3f27e 4335static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
1b2a7205
MC		 4336{
4337 smp_mb();
f3f3f27e
MC		 4338 return tnapi->tx_pending -
4339 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
1b2a7205
MC		 4340}
4341
1da177e4
LT		 4342/* Tigon3 never reports partial packet sends. So we do not
4343 * need special logic to handle SKBs that have not had all
4344 * of their frags sent yet, like SunGEM does.
4345 */
17375d25 4346static void tg3_tx(struct tg3_napi *tnapi)
1da177e4 4347{
17375d25 4348 struct tg3 *tp = tnapi->tp;
898a56f8 4349 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
f3f3f27e 4350 u32 sw_idx = tnapi->tx_cons;
fe5f5787
MC		 4351 struct netdev_queue *txq;
4352 int index = tnapi - tp->napi;
4353
19cfaecc 4354 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
fe5f5787
MC		 4355 index--;
4356
4357 txq = netdev_get_tx_queue(tp->dev, index);
1da177e4
LT		 4358
4359 while (sw_idx != hw_idx) {
f4188d8a 4360 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
1da177e4 4361 struct sk_buff *skb = ri->skb;
df3e6548
MC		 4362 int i, tx_bug = 0;
4363
4364 if (unlikely(skb == NULL)) {
4365 tg3_tx_recover(tp);
4366 return;
4367 }
1da177e4 4368
f4188d8a
AD		 4369 pci_unmap_single(tp->pdev,
4370 pci_unmap_addr(ri, mapping),
4371 skb_headlen(skb),
4372 PCI_DMA_TODEVICE);
1da177e4
LT		 4373
4374 ri->skb = NULL;
4375
4376 sw_idx = NEXT_TX(sw_idx);
4377
4378 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
f3f3f27e 4379 ri = &tnapi->tx_buffers[sw_idx];
df3e6548
MC		 4380 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4381 tx_bug = 1;
f4188d8a
AD		 4382
4383 pci_unmap_page(tp->pdev,
4384 pci_unmap_addr(ri, mapping),
4385 skb_shinfo(skb)->frags[i].size,
4386 PCI_DMA_TODEVICE);
1da177e4
LT		 4387 sw_idx = NEXT_TX(sw_idx);
4388 }
4389
f47c11ee 4390 dev_kfree_skb(skb);
df3e6548
MC		 4391
4392 if (unlikely(tx_bug)) {
4393 tg3_tx_recover(tp);
4394 return;
4395 }
1da177e4
LT		 4396 }
4397
f3f3f27e 4398 tnapi->tx_cons = sw_idx;
1da177e4 4399
1b2a7205
MC		 4400 /* Need to make the tx_cons update visible to tg3_start_xmit()
4401 * before checking for netif_queue_stopped(). Without the
4402 * memory barrier, there is a small possibility that tg3_start_xmit()
4403 * will miss it and cause the queue to be stopped forever.
4404 */
4405 smp_mb();
4406
fe5f5787 4407 if (unlikely(netif_tx_queue_stopped(txq) &&
f3f3f27e 4408 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
fe5f5787
MC		 4409 __netif_tx_lock(txq, smp_processor_id());
4410 if (netif_tx_queue_stopped(txq) &&
f3f3f27e 4411 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
fe5f5787
MC		 4412 netif_tx_wake_queue(txq);
4413 __netif_tx_unlock(txq);
51b91468 4414 }
1da177e4
LT		 4415}
4416
2b2cdb65
MC		 4417static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4418{
4419 if (!ri->skb)
4420 return;
4421
4422 pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
4423 map_sz, PCI_DMA_FROMDEVICE);
4424 dev_kfree_skb_any(ri->skb);
4425 ri->skb = NULL;
4426}
4427
1da177e4
LT		 4428/* Returns size of skb allocated or < 0 on error.
4429 *
4430 * We only need to fill in the address because the other members
4431 * of the RX descriptor are invariant, see tg3_init_rings.
4432 *
4433 * Note the purposeful assymetry of cpu vs. chip accesses. For
4434 * posting buffers we only dirty the first cache line of the RX
4435 * descriptor (containing the address). Whereas for the RX status
4436 * buffers the cpu only reads the last cacheline of the RX descriptor
4437 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4438 */
86b21e59 4439static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
a3896167 4440 u32 opaque_key, u32 dest_idx_unmasked)
1da177e4
LT		 4441{
4442 struct tg3_rx_buffer_desc *desc;
4443 struct ring_info *map, *src_map;
4444 struct sk_buff *skb;
4445 dma_addr_t mapping;
4446 int skb_size, dest_idx;
4447
4448 src_map = NULL;
4449 switch (opaque_key) {
4450 case RXD_OPAQUE_RING_STD:
4451 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
21f581a5
MC		 4452 desc = &tpr->rx_std[dest_idx];
4453 map = &tpr->rx_std_buffers[dest_idx];
287be12e 4454 skb_size = tp->rx_pkt_map_sz;
1da177e4
LT		 4455 break;
4456
4457 case RXD_OPAQUE_RING_JUMBO:
4458 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
79ed5ac7 4459 desc = &tpr->rx_jmb[dest_idx].std;
21f581a5 4460 map = &tpr->rx_jmb_buffers[dest_idx];
287be12e 4461 skb_size = TG3_RX_JMB_MAP_SZ;
1da177e4
LT		 4462 break;
4463
4464 default:
4465 return -EINVAL;
855e1111 4466 }
1da177e4
LT		 4467
4468 /* Do not overwrite any of the map or rp information
4469 * until we are sure we can commit to a new buffer.
4470 *
4471 * Callers depend upon this behavior and assume that
4472 * we leave everything unchanged if we fail.
4473 */
287be12e 4474 skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
1da177e4
LT		 4475 if (skb == NULL)
4476 return -ENOMEM;
4477
1da177e4
LT		 4478 skb_reserve(skb, tp->rx_offset);
4479
287be12e 4480 mapping = pci_map_single(tp->pdev, skb->data, skb_size,
1da177e4 4481 PCI_DMA_FROMDEVICE);
a21771dd
MC		 4482 if (pci_dma_mapping_error(tp->pdev, mapping)) {
4483 dev_kfree_skb(skb);
4484 return -EIO;
4485 }
1da177e4
LT		 4486
4487 map->skb = skb;
4488 pci_unmap_addr_set(map, mapping, mapping);
4489
1da177e4
LT		 4490 desc->addr_hi = ((u64)mapping >> 32);
4491 desc->addr_lo = ((u64)mapping & 0xffffffff);
4492
4493 return skb_size;
4494}
4495
4496/* We only need to move over in the address because the other
4497 * members of the RX descriptor are invariant. See notes above
4498 * tg3_alloc_rx_skb for full details.
4499 */
a3896167
MC		 4500static void tg3_recycle_rx(struct tg3_napi *tnapi,
4501 struct tg3_rx_prodring_set *dpr,
4502 u32 opaque_key, int src_idx,
4503 u32 dest_idx_unmasked)
1da177e4 4504{
17375d25 4505 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 4506 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4507 struct ring_info *src_map, *dest_map;
4508 int dest_idx;
a3896167 4509 struct tg3_rx_prodring_set *spr = &tp->prodring[0];
1da177e4
LT		 4510
4511 switch (opaque_key) {
4512 case RXD_OPAQUE_RING_STD:
4513 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
a3896167
MC		 4514 dest_desc = &dpr->rx_std[dest_idx];
4515 dest_map = &dpr->rx_std_buffers[dest_idx];
4516 src_desc = &spr->rx_std[src_idx];
4517 src_map = &spr->rx_std_buffers[src_idx];
1da177e4
LT		 4518 break;
4519
4520 case RXD_OPAQUE_RING_JUMBO:
4521 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
a3896167
MC		 4522 dest_desc = &dpr->rx_jmb[dest_idx].std;
4523 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4524 src_desc = &spr->rx_jmb[src_idx].std;
4525 src_map = &spr->rx_jmb_buffers[src_idx];
1da177e4
LT		 4526 break;
4527
4528 default:
4529 return;
855e1111 4530 }
1da177e4
LT		 4531
4532 dest_map->skb = src_map->skb;
4533 pci_unmap_addr_set(dest_map, mapping,
4534 pci_unmap_addr(src_map, mapping));
4535 dest_desc->addr_hi = src_desc->addr_hi;
4536 dest_desc->addr_lo = src_desc->addr_lo;
1da177e4
LT		 4537 src_map->skb = NULL;
4538}
4539
1da177e4
LT		 4540/* The RX ring scheme is composed of multiple rings which post fresh
4541 * buffers to the chip, and one special ring the chip uses to report
4542 * status back to the host.
4543 *
4544 * The special ring reports the status of received packets to the
4545 * host. The chip does not write into the original descriptor the
4546 * RX buffer was obtained from. The chip simply takes the original
4547 * descriptor as provided by the host, updates the status and length
4548 * field, then writes this into the next status ring entry.
4549 *
4550 * Each ring the host uses to post buffers to the chip is described
4551 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4552 * it is first placed into the on-chip ram. When the packet's length
4553 * is known, it walks down the TG3_BDINFO entries to select the ring.
4554 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4555 * which is within the range of the new packet's length is chosen.
4556 *
4557 * The "separate ring for rx status" scheme may sound queer, but it makes
4558 * sense from a cache coherency perspective. If only the host writes
4559 * to the buffer post rings, and only the chip writes to the rx status
4560 * rings, then cache lines never move beyond shared-modified state.
4561 * If both the host and chip were to write into the same ring, cache line
4562 * eviction could occur since both entities want it in an exclusive state.
4563 */
17375d25 4564static int tg3_rx(struct tg3_napi *tnapi, int budget)
1da177e4 4565{
17375d25 4566 struct tg3 *tp = tnapi->tp;
f92905de 4567 u32 work_mask, rx_std_posted = 0;
4361935a 4568 u32 std_prod_idx, jmb_prod_idx;
72334482 4569 u32 sw_idx = tnapi->rx_rcb_ptr;
483ba50b 4570 u16 hw_idx;
1da177e4 4571 int received;
b196c7e4 4572 struct tg3_rx_prodring_set *tpr = tnapi->prodring;
1da177e4 4573
8d9d7cfc 4574 hw_idx = *(tnapi->rx_rcb_prod_idx);
1da177e4
LT		 4575 /*
4576 * We need to order the read of hw_idx and the read of
4577 * the opaque cookie.
4578 */
4579 rmb();
1da177e4
LT		 4580 work_mask = 0;
4581 received = 0;
4361935a
MC		 4582 std_prod_idx = tpr->rx_std_prod_idx;
4583 jmb_prod_idx = tpr->rx_jmb_prod_idx;
1da177e4 4584 while (sw_idx != hw_idx && budget > 0) {
afc081f8 4585 struct ring_info *ri;
72334482 4586 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
1da177e4
LT		 4587 unsigned int len;
4588 struct sk_buff *skb;
4589 dma_addr_t dma_addr;
4590 u32 opaque_key, desc_idx, *post_ptr;
4591
4592 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4593 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4594 if (opaque_key == RXD_OPAQUE_RING_STD) {
b196c7e4 4595 ri = &tp->prodring[0].rx_std_buffers[desc_idx];
21f581a5
MC		 4596 dma_addr = pci_unmap_addr(ri, mapping);
4597 skb = ri->skb;
4361935a 4598 post_ptr = &std_prod_idx;
f92905de 4599 rx_std_posted++;
1da177e4 4600 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
b196c7e4 4601 ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
21f581a5
MC		 4602 dma_addr = pci_unmap_addr(ri, mapping);
4603 skb = ri->skb;
4361935a 4604 post_ptr = &jmb_prod_idx;
21f581a5 4605 } else
1da177e4 4606 goto next_pkt_nopost;
1da177e4
LT		 4607
4608 work_mask |= opaque_key;
4609
4610 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4611 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4612 drop_it:
a3896167 4613 tg3_recycle_rx(tnapi, tpr, opaque_key,
1da177e4
LT		 4614 desc_idx, *post_ptr);
4615 drop_it_no_recycle:
4616 /* Other statistics kept track of by card. */
4617 tp->net_stats.rx_dropped++;
4618 goto next_pkt;
4619 }
4620
ad829268
MC		 4621 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4622 ETH_FCS_LEN;
1da177e4 4623
8e95a202
JP		 4624 if (len > RX_COPY_THRESHOLD &&
4625 tp->rx_offset == NET_IP_ALIGN) {
4626 /* rx_offset will likely not equal NET_IP_ALIGN
4627 * if this is a 5701 card running in PCI-X mode
4628 * [see tg3_get_invariants()]
4629 */
1da177e4
LT		 4630 int skb_size;
4631
86b21e59 4632 skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
afc081f8 4633 *post_ptr);
1da177e4
LT		 4634 if (skb_size < 0)
4635 goto drop_it;
4636
afc081f8
MC		 4637 ri->skb = NULL;
4638
287be12e 4639 pci_unmap_single(tp->pdev, dma_addr, skb_size,
1da177e4
LT		 4640 PCI_DMA_FROMDEVICE);
4641
4642 skb_put(skb, len);
4643 } else {
4644 struct sk_buff *copy_skb;
4645
a3896167 4646 tg3_recycle_rx(tnapi, tpr, opaque_key,
1da177e4
LT		 4647 desc_idx, *post_ptr);
4648
ad829268
MC		 4649 copy_skb = netdev_alloc_skb(tp->dev,
4650 len + TG3_RAW_IP_ALIGN);
1da177e4
LT		 4651 if (copy_skb == NULL)
4652 goto drop_it_no_recycle;
4653
ad829268 4654 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
1da177e4
LT		 4655 skb_put(copy_skb, len);
4656 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
d626f62b 4657 skb_copy_from_linear_data(skb, copy_skb->data, len);
1da177e4
LT		 4658 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4659
4660 /* We'll reuse the original ring buffer. */
4661 skb = copy_skb;
4662 }
4663
4664 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4665 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4666 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4667 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4668 skb->ip_summed = CHECKSUM_UNNECESSARY;
4669 else
4670 skb->ip_summed = CHECKSUM_NONE;
4671
4672 skb->protocol = eth_type_trans(skb, tp->dev);
f7b493e0
MC		 4673
4674 if (len > (tp->dev->mtu + ETH_HLEN) &&
4675 skb->protocol != htons(ETH_P_8021Q)) {
4676 dev_kfree_skb(skb);
4677 goto next_pkt;
4678 }
4679
1da177e4
LT		 4680#if TG3_VLAN_TAG_USED
4681 if (tp->vlgrp != NULL &&
4682 desc->type_flags & RXD_FLAG_VLAN) {
17375d25 4683 vlan_gro_receive(&tnapi->napi, tp->vlgrp,
8ef0442f 4684 desc->err_vlan & RXD_VLAN_MASK, skb);
1da177e4
LT		 4685 } else
4686#endif
17375d25 4687 napi_gro_receive(&tnapi->napi, skb);
1da177e4 4688
1da177e4
LT		 4689 received++;
4690 budget--;
4691
4692next_pkt:
4693 (*post_ptr)++;
f92905de
MC		 4694
4695 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4696 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
66711e66 4697 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
f92905de
MC		 4698 work_mask &= ~RXD_OPAQUE_RING_STD;
4699 rx_std_posted = 0;
4700 }
1da177e4 4701next_pkt_nopost:
483ba50b 4702 sw_idx++;
6b31a515 4703 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 4704
4705 /* Refresh hw_idx to see if there is new work */
4706 if (sw_idx == hw_idx) {
8d9d7cfc 4707 hw_idx = *(tnapi->rx_rcb_prod_idx);
52f6d697
MC		 4708 rmb();
4709 }
1da177e4
LT		 4710 }
4711
4712 /* ACK the status ring. */
72334482
MC		 4713 tnapi->rx_rcb_ptr = sw_idx;
4714 tw32_rx_mbox(tnapi->consmbox, sw_idx);
1da177e4
LT		 4715
4716 /* Refill RX ring(s). */
b196c7e4
MC		 4717 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) || tnapi == &tp->napi[1]) {
4718 if (work_mask & RXD_OPAQUE_RING_STD) {
4719 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4720 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4721 tpr->rx_std_prod_idx);
4722 }
4723 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4724 tpr->rx_jmb_prod_idx = jmb_prod_idx %
4725 TG3_RX_JUMBO_RING_SIZE;
4726 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4727 tpr->rx_jmb_prod_idx);
4728 }
4729 mmiowb();
4730 } else if (work_mask) {
4731 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4732 * updated before the producer indices can be updated.
4733 */
4734 smp_wmb();
4735
4361935a 4736 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4361935a 4737 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
b196c7e4
MC		 4738
4739 napi_schedule(&tp->napi[1].napi);
1da177e4 4740 }
1da177e4
LT		 4741
4742 return received;
4743}
4744
35f2d7d0 4745static void tg3_poll_link(struct tg3 *tp)
1da177e4 4746{
1da177e4
LT		 4747 /* handle link change and other phy events */
4748 if (!(tp->tg3_flags &
4749 (TG3_FLAG_USE_LINKCHG_REG |
4750 TG3_FLAG_POLL_SERDES))) {
35f2d7d0
MC		 4751 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4752
1da177e4
LT		 4753 if (sblk->status & SD_STATUS_LINK_CHG) {
4754 sblk->status = SD_STATUS_UPDATED |
35f2d7d0 4755 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 4756 spin_lock(&tp->lock);
dd477003
MC		 4757 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4758 tw32_f(MAC_STATUS,
4759 (MAC_STATUS_SYNC_CHANGED |
4760 MAC_STATUS_CFG_CHANGED |
4761 MAC_STATUS_MI_COMPLETION |
4762 MAC_STATUS_LNKSTATE_CHANGED));
4763 udelay(40);
4764 } else
4765 tg3_setup_phy(tp, 0);
f47c11ee 4766 spin_unlock(&tp->lock);
1da177e4
LT		 4767 }
4768 }
35f2d7d0
MC		 4769}
4770
b196c7e4
MC		 4771static void tg3_rx_prodring_xfer(struct tg3 *tp,
4772 struct tg3_rx_prodring_set *dpr,
4773 struct tg3_rx_prodring_set *spr)
4774{
4775 u32 si, di, cpycnt, src_prod_idx;
4776 int i;
4777
4778 while (1) {
4779 src_prod_idx = spr->rx_std_prod_idx;
4780
4781 /* Make sure updates to the rx_std_buffers[] entries and the
4782 * standard producer index are seen in the correct order.
4783 */
4784 smp_rmb();
4785
4786 if (spr->rx_std_cons_idx == src_prod_idx)
4787 break;
4788
4789 if (spr->rx_std_cons_idx < src_prod_idx)
4790 cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4791 else
4792 cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4793
4794 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4795
4796 si = spr->rx_std_cons_idx;
4797 di = dpr->rx_std_prod_idx;
4798
4799 memcpy(&dpr->rx_std_buffers[di],
4800 &spr->rx_std_buffers[si],
4801 cpycnt * sizeof(struct ring_info));
4802
4803 for (i = 0; i < cpycnt; i++, di++, si++) {
4804 struct tg3_rx_buffer_desc *sbd, *dbd;
4805 sbd = &spr->rx_std[si];
4806 dbd = &dpr->rx_std[di];
4807 dbd->addr_hi = sbd->addr_hi;
4808 dbd->addr_lo = sbd->addr_lo;
4809 }
4810
4811 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4812 TG3_RX_RING_SIZE;
4813 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4814 TG3_RX_RING_SIZE;
4815 }
4816
4817 while (1) {
4818 src_prod_idx = spr->rx_jmb_prod_idx;
4819
4820 /* Make sure updates to the rx_jmb_buffers[] entries and
4821 * the jumbo producer index are seen in the correct order.
4822 */
4823 smp_rmb();
4824
4825 if (spr->rx_jmb_cons_idx == src_prod_idx)
4826 break;
4827
4828 if (spr->rx_jmb_cons_idx < src_prod_idx)
4829 cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4830 else
4831 cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4832
4833 cpycnt = min(cpycnt,
4834 TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4835
4836 si = spr->rx_jmb_cons_idx;
4837 di = dpr->rx_jmb_prod_idx;
4838
4839 memcpy(&dpr->rx_jmb_buffers[di],
4840 &spr->rx_jmb_buffers[si],
4841 cpycnt * sizeof(struct ring_info));
4842
4843 for (i = 0; i < cpycnt; i++, di++, si++) {
4844 struct tg3_rx_buffer_desc *sbd, *dbd;
4845 sbd = &spr->rx_jmb[si].std;
4846 dbd = &dpr->rx_jmb[di].std;
4847 dbd->addr_hi = sbd->addr_hi;
4848 dbd->addr_lo = sbd->addr_lo;
4849 }
4850
4851 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4852 TG3_RX_JUMBO_RING_SIZE;
4853 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4854 TG3_RX_JUMBO_RING_SIZE;
4855 }
4856}
4857
35f2d7d0
MC		 4858static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4859{
4860 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 4861
4862 /* run TX completion thread */
f3f3f27e 4863 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
17375d25 4864 tg3_tx(tnapi);
6f535763 4865 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4fd7ab59 4866 return work_done;
1da177e4
LT		 4867 }
4868
1da177e4
LT		 4869 /* run RX thread, within the bounds set by NAPI.
4870 * All RX "locking" is done by ensuring outside
bea3348e 4871 * code synchronizes with tg3->napi.poll()
1da177e4 4872 */
8d9d7cfc 4873 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
17375d25 4874 work_done += tg3_rx(tnapi, budget - work_done);
1da177e4 4875
b196c7e4
MC		 4876 if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4877 int i;
4878 u32 std_prod_idx = tp->prodring[0].rx_std_prod_idx;
4879 u32 jmb_prod_idx = tp->prodring[0].rx_jmb_prod_idx;
4880
4881 for (i = 2; i < tp->irq_cnt; i++)
4882 tg3_rx_prodring_xfer(tp, tnapi->prodring,
4883 tp->napi[i].prodring);
4884
4885 wmb();
4886
4887 if (std_prod_idx != tp->prodring[0].rx_std_prod_idx) {
4888 u32 mbox = TG3_RX_STD_PROD_IDX_REG;
4889 tw32_rx_mbox(mbox, tp->prodring[0].rx_std_prod_idx);
4890 }
4891
4892 if (jmb_prod_idx != tp->prodring[0].rx_jmb_prod_idx) {
4893 u32 mbox = TG3_RX_JMB_PROD_IDX_REG;
4894 tw32_rx_mbox(mbox, tp->prodring[0].rx_jmb_prod_idx);
4895 }
4896
4897 mmiowb();
4898 }
4899
6f535763
DM		 4900 return work_done;
4901}
4902
35f2d7d0
MC		 4903static int tg3_poll_msix(struct napi_struct *napi, int budget)
4904{
4905 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4906 struct tg3 *tp = tnapi->tp;
4907 int work_done = 0;
4908 struct tg3_hw_status *sblk = tnapi->hw_status;
4909
4910 while (1) {
4911 work_done = tg3_poll_work(tnapi, work_done, budget);
4912
4913 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4914 goto tx_recovery;
4915
4916 if (unlikely(work_done >= budget))
4917 break;
4918
4919 /* tp->last_tag is used in tg3_restart_ints() below
4920 * to tell the hw how much work has been processed,
4921 * so we must read it before checking for more work.
4922 */
4923 tnapi->last_tag = sblk->status_tag;
4924 tnapi->last_irq_tag = tnapi->last_tag;
4925 rmb();
4926
4927 /* check for RX/TX work to do */
4928 if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4929 *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
4930 napi_complete(napi);
4931 /* Reenable interrupts. */
4932 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
4933 mmiowb();
4934 break;
4935 }
4936 }
4937
4938 return work_done;
4939
4940tx_recovery:
4941 /* work_done is guaranteed to be less than budget. */
4942 napi_complete(napi);
4943 schedule_work(&tp->reset_task);
4944 return work_done;
4945}
4946
6f535763
DM		 4947static int tg3_poll(struct napi_struct *napi, int budget)
4948{
8ef0442f
MC		 4949 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4950 struct tg3 *tp = tnapi->tp;
6f535763 4951 int work_done = 0;
898a56f8 4952 struct tg3_hw_status *sblk = tnapi->hw_status;
6f535763
DM		 4953
4954 while (1) {
35f2d7d0
MC		 4955 tg3_poll_link(tp);
4956
17375d25 4957 work_done = tg3_poll_work(tnapi, work_done, budget);
6f535763
DM		 4958
4959 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4960 goto tx_recovery;
4961
4962 if (unlikely(work_done >= budget))
4963 break;
4964
4fd7ab59 4965 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
17375d25 4966 /* tp->last_tag is used in tg3_int_reenable() below
4fd7ab59
MC		 4967 * to tell the hw how much work has been processed,
4968 * so we must read it before checking for more work.
4969 */
898a56f8
MC		 4970 tnapi->last_tag = sblk->status_tag;
4971 tnapi->last_irq_tag = tnapi->last_tag;
4fd7ab59
MC		 4972 rmb();
4973 } else
4974 sblk->status &= ~SD_STATUS_UPDATED;
6f535763 4975
17375d25 4976 if (likely(!tg3_has_work(tnapi))) {
288379f0 4977 napi_complete(napi);
17375d25 4978 tg3_int_reenable(tnapi);
6f535763
DM		 4979 break;
4980 }
1da177e4
LT		 4981 }
4982
bea3348e 4983 return work_done;
6f535763
DM		 4984
4985tx_recovery:
4fd7ab59 4986 /* work_done is guaranteed to be less than budget. */
288379f0 4987 napi_complete(napi);
6f535763 4988 schedule_work(&tp->reset_task);
4fd7ab59 4989 return work_done;
1da177e4
LT		 4990}
4991
f47c11ee
DM		 4992static void tg3_irq_quiesce(struct tg3 *tp)
4993{
4f125f42
MC		 4994 int i;
4995
f47c11ee
DM		 4996 BUG_ON(tp->irq_sync);
4997
4998 tp->irq_sync = 1;
4999 smp_mb();
5000
4f125f42
MC		 5001 for (i = 0; i < tp->irq_cnt; i++)
5002 synchronize_irq(tp->napi[i].irq_vec);
f47c11ee
DM		 5003}
5004
5005static inline int tg3_irq_sync(struct tg3 *tp)
5006{
5007 return tp->irq_sync;
5008}
5009
5010/* Fully shutdown all tg3 driver activity elsewhere in the system.
5011 * If irq_sync is non-zero, then the IRQ handler must be synchronized
5012 * with as well. Most of the time, this is not necessary except when
5013 * shutting down the device.
5014 */
5015static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5016{
46966545 5017 spin_lock_bh(&tp->lock);
f47c11ee
DM		 5018 if (irq_sync)
5019 tg3_irq_quiesce(tp);
f47c11ee
DM		 5020}
5021
5022static inline void tg3_full_unlock(struct tg3 *tp)
5023{
f47c11ee
DM		 5024 spin_unlock_bh(&tp->lock);
5025}
5026
fcfa0a32
MC		 5027/* One-shot MSI handler - Chip automatically disables interrupt
5028 * after sending MSI so driver doesn't have to do it.
5029 */
7d12e780 5030static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32 5031{
09943a18
MC		 5032 struct tg3_napi *tnapi = dev_id;
5033 struct tg3 *tp = tnapi->tp;
fcfa0a32 5034
898a56f8 5035 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 5036 if (tnapi->rx_rcb)
5037 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
fcfa0a32
MC		 5038
5039 if (likely(!tg3_irq_sync(tp)))
09943a18 5040 napi_schedule(&tnapi->napi);
fcfa0a32
MC		 5041
5042 return IRQ_HANDLED;
5043}
5044
88b06bc2
MC		 5045/* MSI ISR - No need to check for interrupt sharing and no need to
5046 * flush status block and interrupt mailbox. PCI ordering rules
5047 * guarantee that MSI will arrive after the status block.
5048 */
7d12e780 5049static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2 5050{
09943a18
MC		 5051 struct tg3_napi *tnapi = dev_id;
5052 struct tg3 *tp = tnapi->tp;
88b06bc2 5053
898a56f8 5054 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 5055 if (tnapi->rx_rcb)
5056 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
88b06bc2 5057 /*
fac9b83e 5058 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 5059 * chip-internal interrupt pending events.
fac9b83e 5060 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 5061 * NIC to stop sending us irqs, engaging "in-intr-handler"
5062 * event coalescing.
5063 */
5064 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 5065 if (likely(!tg3_irq_sync(tp)))
09943a18 5066 napi_schedule(&tnapi->napi);
61487480 5067
88b06bc2
MC		 5068 return IRQ_RETVAL(1);
5069}
5070
7d12e780 5071static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4 5072{
09943a18
MC		 5073 struct tg3_napi *tnapi = dev_id;
5074 struct tg3 *tp = tnapi->tp;
898a56f8 5075 struct tg3_hw_status *sblk = tnapi->hw_status;
1da177e4
LT		 5076 unsigned int handled = 1;
5077
1da177e4
LT		 5078 /* In INTx mode, it is possible for the interrupt to arrive at
5079 * the CPU before the status block posted prior to the interrupt.
5080 * Reading the PCI State register will confirm whether the
5081 * interrupt is ours and will flush the status block.
5082 */
d18edcb2
MC		 5083 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5084 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5085 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5086 handled = 0;
f47c11ee 5087 goto out;
fac9b83e 5088 }
d18edcb2
MC		 5089 }
5090
5091 /*
5092 * Writing any value to intr-mbox-0 clears PCI INTA# and
5093 * chip-internal interrupt pending events.
5094 * Writing non-zero to intr-mbox-0 additional tells the
5095 * NIC to stop sending us irqs, engaging "in-intr-handler"
5096 * event coalescing.
c04cb347
MC		 5097 *
5098 * Flush the mailbox to de-assert the IRQ immediately to prevent
5099 * spurious interrupts. The flush impacts performance but
5100 * excessive spurious interrupts can be worse in some cases.
d18edcb2 5101 */
c04cb347 5102 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
d18edcb2
MC		 5103 if (tg3_irq_sync(tp))
5104 goto out;
5105 sblk->status &= ~SD_STATUS_UPDATED;
17375d25 5106 if (likely(tg3_has_work(tnapi))) {
72334482 5107 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
09943a18 5108 napi_schedule(&tnapi->napi);
d18edcb2
MC		 5109 } else {
5110 /* No work, shared interrupt perhaps? re-enable
5111 * interrupts, and flush that PCI write
5112 */
5113 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5114 0x00000000);
fac9b83e 5115 }
f47c11ee 5116out:
fac9b83e
DM		 5117 return IRQ_RETVAL(handled);
5118}
5119
7d12e780 5120static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e 5121{
09943a18
MC		 5122 struct tg3_napi *tnapi = dev_id;
5123 struct tg3 *tp = tnapi->tp;
898a56f8 5124 struct tg3_hw_status *sblk = tnapi->hw_status;
fac9b83e
DM		 5125 unsigned int handled = 1;
5126
fac9b83e
DM		 5127 /* In INTx mode, it is possible for the interrupt to arrive at
5128 * the CPU before the status block posted prior to the interrupt.
5129 * Reading the PCI State register will confirm whether the
5130 * interrupt is ours and will flush the status block.
5131 */
898a56f8 5132 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
d18edcb2
MC		 5133 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5134 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5135 handled = 0;
f47c11ee 5136 goto out;
1da177e4 5137 }
d18edcb2
MC		 5138 }
5139
5140 /*
5141 * writing any value to intr-mbox-0 clears PCI INTA# and
5142 * chip-internal interrupt pending events.
5143 * writing non-zero to intr-mbox-0 additional tells the
5144 * NIC to stop sending us irqs, engaging "in-intr-handler"
5145 * event coalescing.
c04cb347
MC		 5146 *
5147 * Flush the mailbox to de-assert the IRQ immediately to prevent
5148 * spurious interrupts. The flush impacts performance but
5149 * excessive spurious interrupts can be worse in some cases.
d18edcb2 5150 */
c04cb347 5151 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
624f8e50
MC		 5152
5153 /*
5154 * In a shared interrupt configuration, sometimes other devices'
5155 * interrupts will scream. We record the current status tag here
5156 * so that the above check can report that the screaming interrupts
5157 * are unhandled. Eventually they will be silenced.
5158 */
898a56f8 5159 tnapi->last_irq_tag = sblk->status_tag;
624f8e50 5160
d18edcb2
MC		 5161 if (tg3_irq_sync(tp))
5162 goto out;
624f8e50 5163
72334482 5164 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
624f8e50 5165
09943a18 5166 napi_schedule(&tnapi->napi);
624f8e50 5167
f47c11ee 5168out:
1da177e4
LT		 5169 return IRQ_RETVAL(handled);
5170}
5171
7938109f 5172/* ISR for interrupt test */
7d12e780 5173static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f 5174{
09943a18
MC		 5175 struct tg3_napi *tnapi = dev_id;
5176 struct tg3 *tp = tnapi->tp;
898a56f8 5177 struct tg3_hw_status *sblk = tnapi->hw_status;
7938109f 5178
f9804ddb
MC		 5179 if ((sblk->status & SD_STATUS_UPDATED) ||
5180 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 5181 tg3_disable_ints(tp);
7938109f
MC		 5182 return IRQ_RETVAL(1);
5183 }
5184 return IRQ_RETVAL(0);
5185}
5186
8e7a22e3 5187static int tg3_init_hw(struct tg3 *, int);
944d980e 5188static int tg3_halt(struct tg3 *, int, int);
1da177e4 5189
b9ec6c1b
MC		 5190/* Restart hardware after configuration changes, self-test, etc.
5191 * Invoked with tp->lock held.
5192 */
5193static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
78c6146f
ED		 5194 __releases(tp->lock)
5195 __acquires(tp->lock)
b9ec6c1b
MC		 5196{
5197 int err;
5198
5199 err = tg3_init_hw(tp, reset_phy);
5200 if (err) {
5201 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
5202 "aborting.\n", tp->dev->name);
5203 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5204 tg3_full_unlock(tp);
5205 del_timer_sync(&tp->timer);
5206 tp->irq_sync = 0;
fed97810 5207 tg3_napi_enable(tp);
b9ec6c1b
MC		 5208 dev_close(tp->dev);
5209 tg3_full_lock(tp, 0);
5210 }
5211 return err;
5212}
5213
1da177e4
LT		 5214#ifdef CONFIG_NET_POLL_CONTROLLER
5215static void tg3_poll_controller(struct net_device *dev)
5216{
4f125f42 5217 int i;
88b06bc2
MC		 5218 struct tg3 *tp = netdev_priv(dev);
5219
4f125f42
MC		 5220 for (i = 0; i < tp->irq_cnt; i++)
5221 tg3_interrupt(tp->napi[i].irq_vec, dev);
1da177e4
LT		 5222}
5223#endif
5224
c4028958 5225static void tg3_reset_task(struct work_struct *work)
1da177e4 5226{
c4028958 5227 struct tg3 *tp = container_of(work, struct tg3, reset_task);
b02fd9e3 5228 int err;
1da177e4
LT		 5229 unsigned int restart_timer;
5230
7faa006f 5231 tg3_full_lock(tp, 0);
7faa006f
MC		 5232
5233 if (!netif_running(tp->dev)) {
7faa006f
MC		 5234 tg3_full_unlock(tp);
5235 return;
5236 }
5237
5238 tg3_full_unlock(tp);
5239
b02fd9e3
MC		 5240 tg3_phy_stop(tp);
5241
1da177e4
LT		 5242 tg3_netif_stop(tp);
5243
f47c11ee 5244 tg3_full_lock(tp, 1);
1da177e4
LT		 5245
5246 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5247 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5248
df3e6548
MC		 5249 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5250 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5251 tp->write32_rx_mbox = tg3_write_flush_reg32;
5252 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5253 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5254 }
5255
944d980e 5256 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b02fd9e3
MC		 5257 err = tg3_init_hw(tp, 1);
5258 if (err)
b9ec6c1b 5259 goto out;
1da177e4
LT		 5260
5261 tg3_netif_start(tp);
5262
1da177e4
LT		 5263 if (restart_timer)
5264 mod_timer(&tp->timer, jiffies + 1);
7faa006f 5265
b9ec6c1b 5266out:
7faa006f 5267 tg3_full_unlock(tp);
b02fd9e3
MC		 5268
5269 if (!err)
5270 tg3_phy_start(tp);
1da177e4
LT		 5271}
5272
b0408751
MC		 5273static void tg3_dump_short_state(struct tg3 *tp)
5274{
5275 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5276 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5277 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5278 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5279}
5280
1da177e4
LT		 5281static void tg3_tx_timeout(struct net_device *dev)
5282{
5283 struct tg3 *tp = netdev_priv(dev);
5284
b0408751 5285 if (netif_msg_tx_err(tp)) {
9f88f29f
MC		 5286 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5287 dev->name);
b0408751
MC		 5288 tg3_dump_short_state(tp);
5289 }
1da177e4
LT		 5290
5291 schedule_work(&tp->reset_task);
5292}
5293
c58ec932
MC		 5294/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5295static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5296{
5297 u32 base = (u32) mapping & 0xffffffff;
5298
5299 return ((base > 0xffffdcc0) &&
5300 (base + len + 8 < base));
5301}
5302
72f2afb8
MC		 5303/* Test for DMA addresses > 40-bit */
5304static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5305 int len)
5306{
5307#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 5308 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
50cf156a 5309 return (((u64) mapping + len) > DMA_BIT_MASK(40));
72f2afb8
MC		 5310 return 0;
5311#else
5312 return 0;
5313#endif
5314}
5315
f3f3f27e 5316static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
1da177e4 5317
72f2afb8 5318/* Workaround 4GB and 40-bit hardware DMA bugs. */
24f4efd4
MC		 5319static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5320 struct sk_buff *skb, u32 last_plus_one,
5321 u32 *start, u32 base_flags, u32 mss)
1da177e4 5322{
24f4efd4 5323 struct tg3 *tp = tnapi->tp;
41588ba1 5324 struct sk_buff *new_skb;
c58ec932 5325 dma_addr_t new_addr = 0;
1da177e4 5326 u32 entry = *start;
c58ec932 5327 int i, ret = 0;
1da177e4 5328
41588ba1
MC		 5329 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5330 new_skb = skb_copy(skb, GFP_ATOMIC);
5331 else {
5332 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5333
5334 new_skb = skb_copy_expand(skb,
5335 skb_headroom(skb) + more_headroom,
5336 skb_tailroom(skb), GFP_ATOMIC);
5337 }
5338
1da177e4 5339 if (!new_skb) {
c58ec932
MC		 5340 ret = -1;
5341 } else {
5342 /* New SKB is guaranteed to be linear. */
5343 entry = *start;
f4188d8a
AD		 5344 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5345 PCI_DMA_TODEVICE);
5346 /* Make sure the mapping succeeded */
5347 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5348 ret = -1;
5349 dev_kfree_skb(new_skb);
5350 new_skb = NULL;
90079ce8 5351
c58ec932
MC		 5352 /* Make sure new skb does not cross any 4G boundaries.
5353 * Drop the packet if it does.
5354 */
f4188d8a
AD		 5355 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5356 tg3_4g_overflow_test(new_addr, new_skb->len)) {
5357 pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5358 PCI_DMA_TODEVICE);
c58ec932
MC		 5359 ret = -1;
5360 dev_kfree_skb(new_skb);
5361 new_skb = NULL;
5362 } else {
f3f3f27e 5363 tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
c58ec932
MC		 5364 base_flags, 1 | (mss << 1));
5365 *start = NEXT_TX(entry);
5366 }
1da177e4
LT		 5367 }
5368
1da177e4
LT		 5369 /* Now clean up the sw ring entries. */
5370 i = 0;
5371 while (entry != last_plus_one) {
f4188d8a
AD		 5372 int len;
5373
f3f3f27e 5374 if (i == 0)
f4188d8a 5375 len = skb_headlen(skb);
f3f3f27e 5376 else
f4188d8a
AD		 5377 len = skb_shinfo(skb)->frags[i-1].size;
5378
5379 pci_unmap_single(tp->pdev,
5380 pci_unmap_addr(&tnapi->tx_buffers[entry],
5381 mapping),
5382 len, PCI_DMA_TODEVICE);
5383 if (i == 0) {
5384 tnapi->tx_buffers[entry].skb = new_skb;
5385 pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5386 new_addr);
5387 } else {
f3f3f27e 5388 tnapi->tx_buffers[entry].skb = NULL;
f4188d8a 5389 }
1da177e4
LT		 5390 entry = NEXT_TX(entry);
5391 i++;
5392 }
5393
5394 dev_kfree_skb(skb);
5395
c58ec932 5396 return ret;
1da177e4
LT		 5397}
5398
f3f3f27e 5399static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
1da177e4
LT		 5400 dma_addr_t mapping, int len, u32 flags,
5401 u32 mss_and_is_end)
5402{
f3f3f27e 5403 struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
1da177e4
LT		 5404 int is_end = (mss_and_is_end & 0x1);
5405 u32 mss = (mss_and_is_end >> 1);
5406 u32 vlan_tag = 0;
5407
5408 if (is_end)
5409 flags |= TXD_FLAG_END;
5410 if (flags & TXD_FLAG_VLAN) {
5411 vlan_tag = flags >> 16;
5412 flags &= 0xffff;
5413 }
5414 vlan_tag |= (mss << TXD_MSS_SHIFT);
5415
5416 txd->addr_hi = ((u64) mapping >> 32);
5417 txd->addr_lo = ((u64) mapping & 0xffffffff);
5418 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5419 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5420}
5421
5a6f3074 5422/* hard_start_xmit for devices that don't have any bugs and
e849cdc3 5423 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5a6f3074 5424 */
61357325
SH		 5425static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5426 struct net_device *dev)
5a6f3074
MC		 5427{
5428 struct tg3 *tp = netdev_priv(dev);
5a6f3074 5429 u32 len, entry, base_flags, mss;
90079ce8 5430 dma_addr_t mapping;
fe5f5787
MC		 5431 struct tg3_napi *tnapi;
5432 struct netdev_queue *txq;
f4188d8a
AD		 5433 unsigned int i, last;
5434
5a6f3074 5435
fe5f5787
MC		 5436 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5437 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
19cfaecc 5438 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
fe5f5787 5439 tnapi++;
5a6f3074 5440
00b70504 5441 /* We are running in BH disabled context with netif_tx_lock
bea3348e 5442 * and TX reclaim runs via tp->napi.poll inside of a software
5a6f3074
MC		 5443 * interrupt. Furthermore, IRQ processing runs lockless so we have
5444 * no IRQ context deadlocks to worry about either. Rejoice!
5445 */
f3f3f27e 5446 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
fe5f5787
MC		 5447 if (!netif_tx_queue_stopped(txq)) {
5448 netif_tx_stop_queue(txq);
5a6f3074
MC		 5449
5450 /* This is a hard error, log it. */
5451 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5452 "queue awake!\n", dev->name);
5453 }
5a6f3074
MC		 5454 return NETDEV_TX_BUSY;
5455 }
5456
f3f3f27e 5457 entry = tnapi->tx_prod;
5a6f3074 5458 base_flags = 0;
5a6f3074 5459 mss = 0;
c13e3713 5460 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074 5461 int tcp_opt_len, ip_tcp_len;
f6eb9b1f 5462 u32 hdrlen;
5a6f3074
MC		 5463
5464 if (skb_header_cloned(skb) &&
5465 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5466 dev_kfree_skb(skb);
5467 goto out_unlock;
5468 }
5469
b0026624 5470 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
f6eb9b1f 5471 hdrlen = skb_headlen(skb) - ETH_HLEN;
b0026624 5472 else {
eddc9ec5
ACM		 5473 struct iphdr *iph = ip_hdr(skb);
5474
ab6a5bb6 5475 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 5476 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
b0026624 5477
eddc9ec5
ACM		 5478 iph->check = 0;
5479 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
f6eb9b1f 5480 hdrlen = ip_tcp_len + tcp_opt_len;
b0026624 5481 }
5a6f3074 5482
e849cdc3 5483 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
f6eb9b1f
MC		 5484 mss |= (hdrlen & 0xc) << 12;
5485 if (hdrlen & 0x10)
5486 base_flags |= 0x00000010;
5487 base_flags |= (hdrlen & 0x3e0) << 5;
5488 } else
5489 mss |= hdrlen << 9;
5490
5a6f3074
MC		 5491 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5492 TXD_FLAG_CPU_POST_DMA);
5493
aa8223c7 5494 tcp_hdr(skb)->check = 0;
5a6f3074 5495
5a6f3074 5496 }
84fa7933 5497 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 5498 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 5499#if TG3_VLAN_TAG_USED
5500 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5501 base_flags |= (TXD_FLAG_VLAN |
5502 (vlan_tx_tag_get(skb) << 16));
5503#endif
5504
f4188d8a
AD		 5505 len = skb_headlen(skb);
5506
5507 /* Queue skb data, a.k.a. the main skb fragment. */
5508 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5509 if (pci_dma_mapping_error(tp->pdev, mapping)) {
90079ce8
DM		 5510 dev_kfree_skb(skb);
5511 goto out_unlock;
5512 }
5513
f3f3f27e 5514 tnapi->tx_buffers[entry].skb = skb;
f4188d8a 5515 pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
fe5f5787 5516
f6eb9b1f
MC		 5517 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5518 !mss && skb->len > ETH_DATA_LEN)
5519 base_flags |= TXD_FLAG_JMB_PKT;
5520
f3f3f27e 5521 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5a6f3074
MC		 5522 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5523
5524 entry = NEXT_TX(entry);
5525
5526 /* Now loop through additional data fragments, and queue them. */
5527 if (skb_shinfo(skb)->nr_frags > 0) {
5a6f3074
MC		 5528 last = skb_shinfo(skb)->nr_frags - 1;
5529 for (i = 0; i <= last; i++) {
5530 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5531
5532 len = frag->size;
f4188d8a
AD		 5533 mapping = pci_map_page(tp->pdev,
5534 frag->page,
5535 frag->page_offset,
5536 len, PCI_DMA_TODEVICE);
5537 if (pci_dma_mapping_error(tp->pdev, mapping))
5538 goto dma_error;
5539
f3f3f27e 5540 tnapi->tx_buffers[entry].skb = NULL;
f4188d8a
AD		 5541 pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5542 mapping);
5a6f3074 5543
f3f3f27e 5544 tg3_set_txd(tnapi, entry, mapping, len,
5a6f3074
MC		 5545 base_flags, (i == last) | (mss << 1));
5546
5547 entry = NEXT_TX(entry);
5548 }
5549 }
5550
5551 /* Packets are ready, update Tx producer idx local and on card. */
f3f3f27e 5552 tw32_tx_mbox(tnapi->prodmbox, entry);
5a6f3074 5553
f3f3f27e
MC		 5554 tnapi->tx_prod = entry;
5555 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
fe5f5787 5556 netif_tx_stop_queue(txq);
f3f3f27e 5557 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
fe5f5787 5558 netif_tx_wake_queue(txq);
5a6f3074
MC		 5559 }
5560
5561out_unlock:
cdd0db05 5562 mmiowb();
5a6f3074
MC		 5563
5564 return NETDEV_TX_OK;
f4188d8a
AD		 5565
5566dma_error:
5567 last = i;
5568 entry = tnapi->tx_prod;
5569 tnapi->tx_buffers[entry].skb = NULL;
5570 pci_unmap_single(tp->pdev,
5571 pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5572 skb_headlen(skb),
5573 PCI_DMA_TODEVICE);
5574 for (i = 0; i <= last; i++) {
5575 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5576 entry = NEXT_TX(entry);
5577
5578 pci_unmap_page(tp->pdev,
5579 pci_unmap_addr(&tnapi->tx_buffers[entry],
5580 mapping),
5581 frag->size, PCI_DMA_TODEVICE);
5582 }
5583
5584 dev_kfree_skb(skb);
5585 return NETDEV_TX_OK;
5a6f3074
MC		 5586}
5587
61357325
SH		 5588static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5589 struct net_device *);
52c0fd83
MC		 5590
5591/* Use GSO to workaround a rare TSO bug that may be triggered when the
5592 * TSO header is greater than 80 bytes.
5593 */
5594static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5595{
5596 struct sk_buff *segs, *nskb;
f3f3f27e 5597 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
52c0fd83
MC		 5598
5599 /* Estimate the number of fragments in the worst case */
f3f3f27e 5600 if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
52c0fd83 5601 netif_stop_queue(tp->dev);
f3f3f27e 5602 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
7f62ad5d
MC		 5603 return NETDEV_TX_BUSY;
5604
5605 netif_wake_queue(tp->dev);
52c0fd83
MC		 5606 }
5607
5608 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
801678c5 5609 if (IS_ERR(segs))
52c0fd83
MC		 5610 goto tg3_tso_bug_end;
5611
5612 do {
5613 nskb = segs;
5614 segs = segs->next;
5615 nskb->next = NULL;
5616 tg3_start_xmit_dma_bug(nskb, tp->dev);
5617 } while (segs);
5618
5619tg3_tso_bug_end:
5620 dev_kfree_skb(skb);
5621
5622 return NETDEV_TX_OK;
5623}
52c0fd83 5624
5a6f3074
MC		 5625/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5626 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5627 */
61357325
SH		 5628static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5629 struct net_device *dev)
1da177e4
LT		 5630{
5631 struct tg3 *tp = netdev_priv(dev);
1da177e4
LT		 5632 u32 len, entry, base_flags, mss;
5633 int would_hit_hwbug;
90079ce8 5634 dma_addr_t mapping;
24f4efd4
MC		 5635 struct tg3_napi *tnapi;
5636 struct netdev_queue *txq;
f4188d8a
AD		 5637 unsigned int i, last;
5638
1da177e4 5639
24f4efd4
MC		 5640 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5641 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
19cfaecc 5642 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
24f4efd4 5643 tnapi++;
1da177e4 5644
00b70504 5645 /* We are running in BH disabled context with netif_tx_lock
bea3348e 5646 * and TX reclaim runs via tp->napi.poll inside of a software
f47c11ee
DM		 5647 * interrupt. Furthermore, IRQ processing runs lockless so we have
5648 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 5649 */
f3f3f27e 5650 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
24f4efd4
MC		 5651 if (!netif_tx_queue_stopped(txq)) {
5652 netif_tx_stop_queue(txq);
1f064a87
SH		 5653
5654 /* This is a hard error, log it. */
5655 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5656 "queue awake!\n", dev->name);
5657 }
1da177e4
LT		 5658 return NETDEV_TX_BUSY;
5659 }
5660
f3f3f27e 5661 entry = tnapi->tx_prod;
1da177e4 5662 base_flags = 0;
84fa7933 5663 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 5664 base_flags |= TXD_FLAG_TCPUDP_CSUM;
24f4efd4 5665
c13e3713 5666 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
eddc9ec5 5667 struct iphdr *iph;
92c6b8d1 5668 u32 tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 5669
5670 if (skb_header_cloned(skb) &&
5671 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5672 dev_kfree_skb(skb);
5673 goto out_unlock;
5674 }
5675
ab6a5bb6 5676 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 5677 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
1da177e4 5678
52c0fd83
MC		 5679 hdr_len = ip_tcp_len + tcp_opt_len;
5680 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
7f62ad5d 5681 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
52c0fd83
MC		 5682 return (tg3_tso_bug(tp, skb));
5683
1da177e4
LT		 5684 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5685 TXD_FLAG_CPU_POST_DMA);
5686
eddc9ec5
ACM		 5687 iph = ip_hdr(skb);
5688 iph->check = 0;
5689 iph->tot_len = htons(mss + hdr_len);
1da177e4 5690 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
aa8223c7 5691 tcp_hdr(skb)->check = 0;
1da177e4 5692 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
aa8223c7
ACM		 5693 } else
5694 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5695 iph->daddr, 0,
5696 IPPROTO_TCP,
5697 0);
1da177e4 5698
615774fe
MC		 5699 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5700 mss |= (hdr_len & 0xc) << 12;
5701 if (hdr_len & 0x10)
5702 base_flags |= 0x00000010;
5703 base_flags |= (hdr_len & 0x3e0) << 5;
5704 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
92c6b8d1
MC		 5705 mss |= hdr_len << 9;
5706 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5707 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
eddc9ec5 5708 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 5709 int tsflags;
5710
eddc9ec5 5711 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 5712 mss |= (tsflags << 11);
5713 }
5714 } else {
eddc9ec5 5715 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 5716 int tsflags;
5717
eddc9ec5 5718 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 5719 base_flags |= tsflags << 12;
5720 }
5721 }
5722 }
1da177e4
LT		 5723#if TG3_VLAN_TAG_USED
5724 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5725 base_flags |= (TXD_FLAG_VLAN |
5726 (vlan_tx_tag_get(skb) << 16));
5727#endif
5728
615774fe
MC		 5729 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5730 !mss && skb->len > ETH_DATA_LEN)
5731 base_flags |= TXD_FLAG_JMB_PKT;
5732
f4188d8a
AD		 5733 len = skb_headlen(skb);
5734
5735 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5736 if (pci_dma_mapping_error(tp->pdev, mapping)) {
90079ce8
DM		 5737 dev_kfree_skb(skb);
5738 goto out_unlock;
5739 }
5740
f3f3f27e 5741 tnapi->tx_buffers[entry].skb = skb;
f4188d8a 5742 pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
1da177e4
LT		 5743
5744 would_hit_hwbug = 0;
5745
92c6b8d1
MC		 5746 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5747 would_hit_hwbug = 1;
5748
0e1406dd
MC		 5749 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5750 tg3_4g_overflow_test(mapping, len))
5751 would_hit_hwbug = 1;
5752
5753 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5754 tg3_40bit_overflow_test(tp, mapping, len))
41588ba1 5755 would_hit_hwbug = 1;
0e1406dd
MC		 5756
5757 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
c58ec932 5758 would_hit_hwbug = 1;
1da177e4 5759
f3f3f27e 5760 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
1da177e4
LT		 5761 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5762
5763 entry = NEXT_TX(entry);
5764
5765 /* Now loop through additional data fragments, and queue them. */
5766 if (skb_shinfo(skb)->nr_frags > 0) {
1da177e4
LT		 5767 last = skb_shinfo(skb)->nr_frags - 1;
5768 for (i = 0; i <= last; i++) {
5769 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5770
5771 len = frag->size;
f4188d8a
AD		 5772 mapping = pci_map_page(tp->pdev,
5773 frag->page,
5774 frag->page_offset,
5775 len, PCI_DMA_TODEVICE);
1da177e4 5776
f3f3f27e 5777 tnapi->tx_buffers[entry].skb = NULL;
f4188d8a
AD		 5778 pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5779 mapping);
5780 if (pci_dma_mapping_error(tp->pdev, mapping))
5781 goto dma_error;
1da177e4 5782
92c6b8d1
MC		 5783 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5784 len <= 8)
5785 would_hit_hwbug = 1;
5786
0e1406dd
MC		 5787 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5788 tg3_4g_overflow_test(mapping, len))
c58ec932 5789 would_hit_hwbug = 1;
1da177e4 5790
0e1406dd
MC		 5791 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5792 tg3_40bit_overflow_test(tp, mapping, len))
72f2afb8
MC		 5793 would_hit_hwbug = 1;
5794
1da177e4 5795 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
f3f3f27e 5796 tg3_set_txd(tnapi, entry, mapping, len,
1da177e4
LT		 5797 base_flags, (i == last)|(mss << 1));
5798 else
f3f3f27e 5799 tg3_set_txd(tnapi, entry, mapping, len,
1da177e4
LT		 5800 base_flags, (i == last));
5801
5802 entry = NEXT_TX(entry);
5803 }
5804 }
5805
5806 if (would_hit_hwbug) {
5807 u32 last_plus_one = entry;
5808 u32 start;
1da177e4 5809
c58ec932
MC		 5810 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5811 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 5812
5813 /* If the workaround fails due to memory/mapping
5814 * failure, silently drop this packet.
5815 */
24f4efd4 5816 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
c58ec932 5817 &start, base_flags, mss))
1da177e4
LT		 5818 goto out_unlock;
5819
5820 entry = start;
5821 }
5822
5823 /* Packets are ready, update Tx producer idx local and on card. */
24f4efd4 5824 tw32_tx_mbox(tnapi->prodmbox, entry);
1da177e4 5825
f3f3f27e
MC		 5826 tnapi->tx_prod = entry;
5827 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
24f4efd4 5828 netif_tx_stop_queue(txq);
f3f3f27e 5829 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
24f4efd4 5830 netif_tx_wake_queue(txq);
51b91468 5831 }
1da177e4
LT		 5832
5833out_unlock:
cdd0db05 5834 mmiowb();
1da177e4
LT		 5835
5836 return NETDEV_TX_OK;
f4188d8a
AD		 5837
5838dma_error:
5839 last = i;
5840 entry = tnapi->tx_prod;
5841 tnapi->tx_buffers[entry].skb = NULL;
5842 pci_unmap_single(tp->pdev,
5843 pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5844 skb_headlen(skb),
5845 PCI_DMA_TODEVICE);
5846 for (i = 0; i <= last; i++) {
5847 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5848 entry = NEXT_TX(entry);
5849
5850 pci_unmap_page(tp->pdev,
5851 pci_unmap_addr(&tnapi->tx_buffers[entry],
5852 mapping),
5853 frag->size, PCI_DMA_TODEVICE);
5854 }
5855
5856 dev_kfree_skb(skb);
5857 return NETDEV_TX_OK;
1da177e4
LT		 5858}
5859
5860static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5861 int new_mtu)
5862{
5863 dev->mtu = new_mtu;
5864
ef7f5ec0 5865 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 5866 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 5867 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5868 ethtool_op_set_tso(dev, 0);
5869 }
5870 else
5871 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5872 } else {
a4e2b347 5873 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 5874 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 5875 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 5876 }
1da177e4
LT		 5877}
5878
5879static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5880{
5881 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 5882 int err;
1da177e4
LT		 5883
5884 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5885 return -EINVAL;
5886
5887 if (!netif_running(dev)) {
5888 /* We'll just catch it later when the
5889 * device is up'd.
5890 */
5891 tg3_set_mtu(dev, tp, new_mtu);
5892 return 0;
5893 }
5894
b02fd9e3
MC		 5895 tg3_phy_stop(tp);
5896
1da177e4 5897 tg3_netif_stop(tp);
f47c11ee
DM		 5898
5899 tg3_full_lock(tp, 1);
1da177e4 5900
944d980e 5901 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 5902
5903 tg3_set_mtu(dev, tp, new_mtu);
5904
b9ec6c1b 5905 err = tg3_restart_hw(tp, 0);
1da177e4 5906
b9ec6c1b
MC		 5907 if (!err)
5908 tg3_netif_start(tp);
1da177e4 5909
f47c11ee 5910 tg3_full_unlock(tp);
1da177e4 5911
b02fd9e3
MC		 5912 if (!err)
5913 tg3_phy_start(tp);
5914
b9ec6c1b 5915 return err;
1da177e4
LT		 5916}
5917
21f581a5
MC		 5918static void tg3_rx_prodring_free(struct tg3 *tp,
5919 struct tg3_rx_prodring_set *tpr)
1da177e4 5920{
1da177e4
LT		 5921 int i;
5922
b196c7e4
MC		 5923 if (tpr != &tp->prodring[0]) {
5924 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
5925 i = (i + 1) % TG3_RX_RING_SIZE)
5926 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5927 tp->rx_pkt_map_sz);
5928
5929 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5930 for (i = tpr->rx_jmb_cons_idx;
5931 i != tpr->rx_jmb_prod_idx;
5932 i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
5933 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
5934 TG3_RX_JMB_MAP_SZ);
5935 }
5936 }
5937
2b2cdb65 5938 return;
b196c7e4 5939 }
1da177e4 5940
2b2cdb65
MC		 5941 for (i = 0; i < TG3_RX_RING_SIZE; i++)
5942 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5943 tp->rx_pkt_map_sz);
1da177e4 5944
cf7a7298 5945 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2b2cdb65
MC		 5946 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
5947 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
5948 TG3_RX_JMB_MAP_SZ);
1da177e4
LT		 5949 }
5950}
5951
5952/* Initialize tx/rx rings for packet processing.
5953 *
5954 * The chip has been shut down and the driver detached from
5955 * the networking, so no interrupts or new tx packets will
5956 * end up in the driver. tp->{tx,}lock are held and thus
5957 * we may not sleep.
5958 */
21f581a5
MC		 5959static int tg3_rx_prodring_alloc(struct tg3 *tp,
5960 struct tg3_rx_prodring_set *tpr)
1da177e4 5961{
287be12e 5962 u32 i, rx_pkt_dma_sz;
1da177e4 5963
b196c7e4
MC		 5964 tpr->rx_std_cons_idx = 0;
5965 tpr->rx_std_prod_idx = 0;
5966 tpr->rx_jmb_cons_idx = 0;
5967 tpr->rx_jmb_prod_idx = 0;
5968
2b2cdb65
MC		 5969 if (tpr != &tp->prodring[0]) {
5970 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
5971 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
5972 memset(&tpr->rx_jmb_buffers[0], 0,
5973 TG3_RX_JMB_BUFF_RING_SIZE);
5974 goto done;
5975 }
5976
1da177e4 5977 /* Zero out all descriptors. */
21f581a5 5978 memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
1da177e4 5979
287be12e 5980 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
a4e2b347 5981 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
287be12e
MC		 5982 tp->dev->mtu > ETH_DATA_LEN)
5983 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
5984 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
7e72aad4 5985
1da177e4
LT		 5986 /* Initialize invariants of the rings, we only set this
5987 * stuff once. This works because the card does not
5988 * write into the rx buffer posting rings.
5989 */
5990 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5991 struct tg3_rx_buffer_desc *rxd;
5992
21f581a5 5993 rxd = &tpr->rx_std[i];
287be12e 5994 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
1da177e4
LT		 5995 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5996 rxd->opaque = (RXD_OPAQUE_RING_STD |
5997 (i << RXD_OPAQUE_INDEX_SHIFT));
5998 }
5999
1da177e4
LT		 6000 /* Now allocate fresh SKBs for each rx ring. */
6001 for (i = 0; i < tp->rx_pending; i++) {
86b21e59 6002 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
32d8c572
MC		 6003 printk(KERN_WARNING PFX
6004 "%s: Using a smaller RX standard ring, "
6005 "only %d out of %d buffers were allocated "
6006 "successfully.\n",
6007 tp->dev->name, i, tp->rx_pending);
6008 if (i == 0)
cf7a7298 6009 goto initfail;
32d8c572 6010 tp->rx_pending = i;
1da177e4 6011 break;
32d8c572 6012 }
1da177e4
LT		 6013 }
6014
cf7a7298
MC		 6015 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6016 goto done;
6017
21f581a5 6018 memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
cf7a7298 6019
0f893dc6 6020 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
cf7a7298
MC		 6021 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6022 struct tg3_rx_buffer_desc *rxd;
6023
79ed5ac7 6024 rxd = &tpr->rx_jmb[i].std;
cf7a7298
MC		 6025 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6026 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6027 RXD_FLAG_JUMBO;
6028 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6029 (i << RXD_OPAQUE_INDEX_SHIFT));
6030 }
6031
1da177e4 6032 for (i = 0; i < tp->rx_jumbo_pending; i++) {
86b21e59 6033 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO,
afc081f8 6034 i) < 0) {
32d8c572
MC		 6035 printk(KERN_WARNING PFX
6036 "%s: Using a smaller RX jumbo ring, "
6037 "only %d out of %d buffers were "
6038 "allocated successfully.\n",
6039 tp->dev->name, i, tp->rx_jumbo_pending);
cf7a7298
MC		 6040 if (i == 0)
6041 goto initfail;
32d8c572 6042 tp->rx_jumbo_pending = i;
1da177e4 6043 break;
32d8c572 6044 }
1da177e4
LT		 6045 }
6046 }
cf7a7298
MC		 6047
6048done:
32d8c572 6049 return 0;
cf7a7298
MC		 6050
6051initfail:
21f581a5 6052 tg3_rx_prodring_free(tp, tpr);
cf7a7298 6053 return -ENOMEM;
1da177e4
LT		 6054}
6055
21f581a5
MC		 6056static void tg3_rx_prodring_fini(struct tg3 *tp,
6057 struct tg3_rx_prodring_set *tpr)
1da177e4 6058{
21f581a5
MC		 6059 kfree(tpr->rx_std_buffers);
6060 tpr->rx_std_buffers = NULL;
6061 kfree(tpr->rx_jmb_buffers);
6062 tpr->rx_jmb_buffers = NULL;
6063 if (tpr->rx_std) {
1da177e4 6064 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
21f581a5
MC		 6065 tpr->rx_std, tpr->rx_std_mapping);
6066 tpr->rx_std = NULL;
1da177e4 6067 }
21f581a5 6068 if (tpr->rx_jmb) {
1da177e4 6069 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
21f581a5
MC		 6070 tpr->rx_jmb, tpr->rx_jmb_mapping);
6071 tpr->rx_jmb = NULL;
1da177e4 6072 }
cf7a7298
MC		 6073}
6074
21f581a5
MC		 6075static int tg3_rx_prodring_init(struct tg3 *tp,
6076 struct tg3_rx_prodring_set *tpr)
cf7a7298 6077{
2b2cdb65 6078 tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
21f581a5 6079 if (!tpr->rx_std_buffers)
cf7a7298
MC		 6080 return -ENOMEM;
6081
21f581a5
MC		 6082 tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6083 &tpr->rx_std_mapping);
6084 if (!tpr->rx_std)
cf7a7298
MC		 6085 goto err_out;
6086
6087 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2b2cdb65 6088 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
21f581a5
MC		 6089 GFP_KERNEL);
6090 if (!tpr->rx_jmb_buffers)
cf7a7298
MC		 6091 goto err_out;
6092
21f581a5
MC		 6093 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6094 TG3_RX_JUMBO_RING_BYTES,
6095 &tpr->rx_jmb_mapping);
6096 if (!tpr->rx_jmb)
cf7a7298
MC		 6097 goto err_out;
6098 }
6099
6100 return 0;
6101
6102err_out:
21f581a5 6103 tg3_rx_prodring_fini(tp, tpr);
cf7a7298
MC		 6104 return -ENOMEM;
6105}
6106
6107/* Free up pending packets in all rx/tx rings.
6108 *
6109 * The chip has been shut down and the driver detached from
6110 * the networking, so no interrupts or new tx packets will
6111 * end up in the driver. tp->{tx,}lock is not held and we are not
6112 * in an interrupt context and thus may sleep.
6113 */
6114static void tg3_free_rings(struct tg3 *tp)
6115{
f77a6a8e 6116 int i, j;
cf7a7298 6117
f77a6a8e
MC		 6118 for (j = 0; j < tp->irq_cnt; j++) {
6119 struct tg3_napi *tnapi = &tp->napi[j];
cf7a7298 6120
0c1d0e2b
MC		 6121 if (!tnapi->tx_buffers)
6122 continue;
6123
f77a6a8e 6124 for (i = 0; i < TG3_TX_RING_SIZE; ) {
f4188d8a 6125 struct ring_info *txp;
f77a6a8e 6126 struct sk_buff *skb;
f4188d8a 6127 unsigned int k;
cf7a7298 6128
f77a6a8e
MC		 6129 txp = &tnapi->tx_buffers[i];
6130 skb = txp->skb;
cf7a7298 6131
f77a6a8e
MC		 6132 if (skb == NULL) {
6133 i++;
6134 continue;
6135 }
cf7a7298 6136
f4188d8a
AD		 6137 pci_unmap_single(tp->pdev,
6138 pci_unmap_addr(txp, mapping),
6139 skb_headlen(skb),
6140 PCI_DMA_TODEVICE);
f77a6a8e 6141 txp->skb = NULL;
cf7a7298 6142
f4188d8a
AD		 6143 i++;
6144
6145 for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6146 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6147 pci_unmap_page(tp->pdev,
6148 pci_unmap_addr(txp, mapping),
6149 skb_shinfo(skb)->frags[k].size,
6150 PCI_DMA_TODEVICE);
6151 i++;
6152 }
f77a6a8e
MC		 6153
6154 dev_kfree_skb_any(skb);
6155 }
cf7a7298 6156
2b2cdb65
MC		 6157 if (tp->irq_cnt == 1 || j != tp->irq_cnt - 1)
6158 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6159 }
cf7a7298
MC		 6160}
6161
6162/* Initialize tx/rx rings for packet processing.
6163 *
6164 * The chip has been shut down and the driver detached from
6165 * the networking, so no interrupts or new tx packets will
6166 * end up in the driver. tp->{tx,}lock are held and thus
6167 * we may not sleep.
6168 */
6169static int tg3_init_rings(struct tg3 *tp)
6170{
f77a6a8e 6171 int i;
72334482 6172
cf7a7298
MC		 6173 /* Free up all the SKBs. */
6174 tg3_free_rings(tp);
6175
f77a6a8e
MC		 6176 for (i = 0; i < tp->irq_cnt; i++) {
6177 struct tg3_napi *tnapi = &tp->napi[i];
6178
6179 tnapi->last_tag = 0;
6180 tnapi->last_irq_tag = 0;
6181 tnapi->hw_status->status = 0;
6182 tnapi->hw_status->status_tag = 0;
6183 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
cf7a7298 6184
f77a6a8e
MC		 6185 tnapi->tx_prod = 0;
6186 tnapi->tx_cons = 0;
0c1d0e2b
MC		 6187 if (tnapi->tx_ring)
6188 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
f77a6a8e
MC		 6189
6190 tnapi->rx_rcb_ptr = 0;
0c1d0e2b
MC		 6191 if (tnapi->rx_rcb)
6192 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
2b2cdb65
MC		 6193
6194 if ((tp->irq_cnt == 1 || i != tp->irq_cnt - 1) &&
6195 tg3_rx_prodring_alloc(tp, &tp->prodring[i]))
6196 return -ENOMEM;
f77a6a8e 6197 }
72334482 6198
2b2cdb65 6199 return 0;
cf7a7298
MC		 6200}
6201
6202/*
6203 * Must not be invoked with interrupt sources disabled and
6204 * the hardware shutdown down.
6205 */
6206static void tg3_free_consistent(struct tg3 *tp)
6207{
f77a6a8e 6208 int i;
898a56f8 6209
f77a6a8e
MC		 6210 for (i = 0; i < tp->irq_cnt; i++) {
6211 struct tg3_napi *tnapi = &tp->napi[i];
6212
6213 if (tnapi->tx_ring) {
6214 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6215 tnapi->tx_ring, tnapi->tx_desc_mapping);
6216 tnapi->tx_ring = NULL;
6217 }
6218
6219 kfree(tnapi->tx_buffers);
6220 tnapi->tx_buffers = NULL;
6221
6222 if (tnapi->rx_rcb) {
6223 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6224 tnapi->rx_rcb,
6225 tnapi->rx_rcb_mapping);
6226 tnapi->rx_rcb = NULL;
6227 }
6228
6229 if (tnapi->hw_status) {
6230 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6231 tnapi->hw_status,
6232 tnapi->status_mapping);
6233 tnapi->hw_status = NULL;
6234 }
1da177e4 6235 }
f77a6a8e 6236
1da177e4
LT		 6237 if (tp->hw_stats) {
6238 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6239 tp->hw_stats, tp->stats_mapping);
6240 tp->hw_stats = NULL;
6241 }
f77a6a8e 6242
2b2cdb65
MC		 6243 for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++)
6244 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
1da177e4
LT		 6245}
6246
6247/*
6248 * Must not be invoked with interrupt sources disabled and
6249 * the hardware shutdown down. Can sleep.
6250 */
6251static int tg3_alloc_consistent(struct tg3 *tp)
6252{
f77a6a8e 6253 int i;
898a56f8 6254
2b2cdb65
MC		 6255 for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++) {
6256 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6257 goto err_out;
6258 }
1da177e4 6259
f77a6a8e
MC		 6260 tp->hw_stats = pci_alloc_consistent(tp->pdev,
6261 sizeof(struct tg3_hw_stats),
6262 &tp->stats_mapping);
6263 if (!tp->hw_stats)
1da177e4
LT		 6264 goto err_out;
6265
f77a6a8e 6266 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
1da177e4 6267
f77a6a8e
MC		 6268 for (i = 0; i < tp->irq_cnt; i++) {
6269 struct tg3_napi *tnapi = &tp->napi[i];
8d9d7cfc 6270 struct tg3_hw_status *sblk;
1da177e4 6271
f77a6a8e
MC		 6272 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6273 TG3_HW_STATUS_SIZE,
6274 &tnapi->status_mapping);
6275 if (!tnapi->hw_status)
6276 goto err_out;
898a56f8 6277
f77a6a8e 6278 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
8d9d7cfc
MC		 6279 sblk = tnapi->hw_status;
6280
19cfaecc
MC		 6281 /* If multivector TSS is enabled, vector 0 does not handle
6282 * tx interrupts. Don't allocate any resources for it.
6283 */
6284 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6285 (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6286 tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6287 TG3_TX_RING_SIZE,
6288 GFP_KERNEL);
6289 if (!tnapi->tx_buffers)
6290 goto err_out;
6291
6292 tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6293 TG3_TX_RING_BYTES,
6294 &tnapi->tx_desc_mapping);
6295 if (!tnapi->tx_ring)
6296 goto err_out;
6297 }
6298
8d9d7cfc
MC		 6299 /*
6300 * When RSS is enabled, the status block format changes
6301 * slightly. The "rx_jumbo_consumer", "reserved",
6302 * and "rx_mini_consumer" members get mapped to the
6303 * other three rx return ring producer indexes.
6304 */
6305 switch (i) {
6306 default:
6307 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6308 break;
6309 case 2:
6310 tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6311 break;
6312 case 3:
6313 tnapi->rx_rcb_prod_idx = &sblk->reserved;
6314 break;
6315 case 4:
6316 tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6317 break;
6318 }
72334482 6319
b196c7e4
MC		 6320 if (tp->irq_cnt == 1)
6321 tnapi->prodring = &tp->prodring[0];
6322 else if (i)
6323 tnapi->prodring = &tp->prodring[i - 1];
6324
0c1d0e2b
MC		 6325 /*
6326 * If multivector RSS is enabled, vector 0 does not handle
6327 * rx or tx interrupts. Don't allocate any resources for it.
6328 */
6329 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6330 continue;
6331
f77a6a8e
MC		 6332 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6333 TG3_RX_RCB_RING_BYTES(tp),
6334 &tnapi->rx_rcb_mapping);
6335 if (!tnapi->rx_rcb)
6336 goto err_out;
72334482 6337
f77a6a8e 6338 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
f77a6a8e 6339 }
1da177e4
LT		 6340
6341 return 0;
6342
6343err_out:
6344 tg3_free_consistent(tp);
6345 return -ENOMEM;
6346}
6347
6348#define MAX_WAIT_CNT 1000
6349
6350/* To stop a block, clear the enable bit and poll till it
6351 * clears. tp->lock is held.
6352 */
b3b7d6be 6353static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 6354{
6355 unsigned int i;
6356 u32 val;
6357
6358 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6359 switch (ofs) {
6360 case RCVLSC_MODE:
6361 case DMAC_MODE:
6362 case MBFREE_MODE:
6363 case BUFMGR_MODE:
6364 case MEMARB_MODE:
6365 /* We can't enable/disable these bits of the
6366 * 5705/5750, just say success.
6367 */
6368 return 0;
6369
6370 default:
6371 break;
855e1111 6372 }
1da177e4
LT		 6373 }
6374
6375 val = tr32(ofs);
6376 val &= ~enable_bit;
6377 tw32_f(ofs, val);
6378
6379 for (i = 0; i < MAX_WAIT_CNT; i++) {
6380 udelay(100);
6381 val = tr32(ofs);
6382 if ((val & enable_bit) == 0)
6383 break;
6384 }
6385
b3b7d6be 6386 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 6387 printk(KERN_ERR PFX "tg3_stop_block timed out, "
6388 "ofs=%lx enable_bit=%x\n",
6389 ofs, enable_bit);
6390 return -ENODEV;
6391 }
6392
6393 return 0;
6394}
6395
6396/* tp->lock is held. */
b3b7d6be 6397static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 6398{
6399 int i, err;
6400
6401 tg3_disable_ints(tp);
6402
6403 tp->rx_mode &= ~RX_MODE_ENABLE;
6404 tw32_f(MAC_RX_MODE, tp->rx_mode);
6405 udelay(10);
6406
b3b7d6be
DM		 6407 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6408 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6409 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6410 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6411 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6412 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6413
6414 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6415 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6416 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6417 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6418 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6419 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6420 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 6421
6422 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6423 tw32_f(MAC_MODE, tp->mac_mode);
6424 udelay(40);
6425
6426 tp->tx_mode &= ~TX_MODE_ENABLE;
6427 tw32_f(MAC_TX_MODE, tp->tx_mode);
6428
6429 for (i = 0; i < MAX_WAIT_CNT; i++) {
6430 udelay(100);
6431 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6432 break;
6433 }
6434 if (i >= MAX_WAIT_CNT) {
6435 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
6436 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6437 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 6438 err |= -ENODEV;
1da177e4
LT		 6439 }
6440
e6de8ad1 6441 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 6442 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6443 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 6444
6445 tw32(FTQ_RESET, 0xffffffff);
6446 tw32(FTQ_RESET, 0x00000000);
6447
b3b7d6be
DM		 6448 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6449 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4 6450
f77a6a8e
MC		 6451 for (i = 0; i < tp->irq_cnt; i++) {
6452 struct tg3_napi *tnapi = &tp->napi[i];
6453 if (tnapi->hw_status)
6454 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6455 }
1da177e4
LT		 6456 if (tp->hw_stats)
6457 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6458
1da177e4
LT		 6459 return err;
6460}
6461
0d3031d9
MC		 6462static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6463{
6464 int i;
6465 u32 apedata;
6466
6467 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6468 if (apedata != APE_SEG_SIG_MAGIC)
6469 return;
6470
6471 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
731fd79c 6472 if (!(apedata & APE_FW_STATUS_READY))
0d3031d9
MC		 6473 return;
6474
6475 /* Wait for up to 1 millisecond for APE to service previous event. */
6476 for (i = 0; i < 10; i++) {
6477 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6478 return;
6479
6480 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6481
6482 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6483 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6484 event | APE_EVENT_STATUS_EVENT_PENDING);
6485
6486 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6487
6488 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6489 break;
6490
6491 udelay(100);
6492 }
6493
6494 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6495 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6496}
6497
6498static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6499{
6500 u32 event;
6501 u32 apedata;
6502
6503 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6504 return;
6505
6506 switch (kind) {
6507 case RESET_KIND_INIT:
6508 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6509 APE_HOST_SEG_SIG_MAGIC);
6510 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6511 APE_HOST_SEG_LEN_MAGIC);
6512 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6513 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6514 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6515 APE_HOST_DRIVER_ID_MAGIC);
6516 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6517 APE_HOST_BEHAV_NO_PHYLOCK);
6518
6519 event = APE_EVENT_STATUS_STATE_START;
6520 break;
6521 case RESET_KIND_SHUTDOWN:
b2aee154
MC		 6522 /* With the interface we are currently using,
6523 * APE does not track driver state. Wiping
6524 * out the HOST SEGMENT SIGNATURE forces
6525 * the APE to assume OS absent status.
6526 */
6527 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6528
0d3031d9
MC		 6529 event = APE_EVENT_STATUS_STATE_UNLOAD;
6530 break;
6531 case RESET_KIND_SUSPEND:
6532 event = APE_EVENT_STATUS_STATE_SUSPEND;
6533 break;
6534 default:
6535 return;
6536 }
6537
6538 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6539
6540 tg3_ape_send_event(tp, event);
6541}
6542
1da177e4
LT		 6543/* tp->lock is held. */
6544static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6545{
f49639e6
DM		 6546 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6547 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 6548
6549 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6550 switch (kind) {
6551 case RESET_KIND_INIT:
6552 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6553 DRV_STATE_START);
6554 break;
6555
6556 case RESET_KIND_SHUTDOWN:
6557 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6558 DRV_STATE_UNLOAD);
6559 break;
6560
6561 case RESET_KIND_SUSPEND:
6562 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6563 DRV_STATE_SUSPEND);
6564 break;
6565
6566 default:
6567 break;
855e1111 6568 }
1da177e4 6569 }
0d3031d9
MC		 6570
6571 if (kind == RESET_KIND_INIT ||
6572 kind == RESET_KIND_SUSPEND)
6573 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 6574}
6575
6576/* tp->lock is held. */
6577static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6578{
6579 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6580 switch (kind) {
6581 case RESET_KIND_INIT:
6582 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6583 DRV_STATE_START_DONE);
6584 break;
6585
6586 case RESET_KIND_SHUTDOWN:
6587 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6588 DRV_STATE_UNLOAD_DONE);
6589 break;
6590
6591 default:
6592 break;
855e1111 6593 }
1da177e4 6594 }
0d3031d9
MC		 6595
6596 if (kind == RESET_KIND_SHUTDOWN)
6597 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 6598}
6599
6600/* tp->lock is held. */
6601static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6602{
6603 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6604 switch (kind) {
6605 case RESET_KIND_INIT:
6606 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6607 DRV_STATE_START);
6608 break;
6609
6610 case RESET_KIND_SHUTDOWN:
6611 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6612 DRV_STATE_UNLOAD);
6613 break;
6614
6615 case RESET_KIND_SUSPEND:
6616 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6617 DRV_STATE_SUSPEND);
6618 break;
6619
6620 default:
6621 break;
855e1111 6622 }
1da177e4
LT		 6623 }
6624}
6625
7a6f4369
MC		 6626static int tg3_poll_fw(struct tg3 *tp)
6627{
6628 int i;
6629 u32 val;
6630
b5d3772c 6631 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 6632 /* Wait up to 20ms for init done. */
6633 for (i = 0; i < 200; i++) {
b5d3772c
MC		 6634 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6635 return 0;
0ccead18 6636 udelay(100);
b5d3772c
MC		 6637 }
6638 return -ENODEV;
6639 }
6640
7a6f4369
MC		 6641 /* Wait for firmware initialization to complete. */
6642 for (i = 0; i < 100000; i++) {
6643 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6644 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6645 break;
6646 udelay(10);
6647 }
6648
6649 /* Chip might not be fitted with firmware. Some Sun onboard
6650 * parts are configured like that. So don't signal the timeout
6651 * of the above loop as an error, but do report the lack of
6652 * running firmware once.
6653 */
6654 if (i >= 100000 &&
6655 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6656 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6657
6658 printk(KERN_INFO PFX "%s: No firmware running.\n",
6659 tp->dev->name);
6660 }
6661
6662 return 0;
6663}
6664
ee6a99b5
MC		 6665/* Save PCI command register before chip reset */
6666static void tg3_save_pci_state(struct tg3 *tp)
6667{
8a6eac90 6668 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
ee6a99b5
MC		 6669}
6670
6671/* Restore PCI state after chip reset */
6672static void tg3_restore_pci_state(struct tg3 *tp)
6673{
6674 u32 val;
6675
6676 /* Re-enable indirect register accesses. */
6677 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6678 tp->misc_host_ctrl);
6679
6680 /* Set MAX PCI retry to zero. */
6681 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6682 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6683 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6684 val |= PCISTATE_RETRY_SAME_DMA;
0d3031d9
MC		 6685 /* Allow reads and writes to the APE register and memory space. */
6686 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6687 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6688 PCISTATE_ALLOW_APE_SHMEM_WR;
ee6a99b5
MC		 6689 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6690
8a6eac90 6691 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
ee6a99b5 6692
fcb389df
MC		 6693 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6694 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6695 pcie_set_readrq(tp->pdev, 4096);
6696 else {
6697 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6698 tp->pci_cacheline_sz);
6699 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6700 tp->pci_lat_timer);
6701 }
114342f2 6702 }
5f5c51e3 6703
ee6a99b5 6704 /* Make sure PCI-X relaxed ordering bit is clear. */
52f4490c 6705 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
9974a356
MC		 6706 u16 pcix_cmd;
6707
6708 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6709 &pcix_cmd);
6710 pcix_cmd &= ~PCI_X_CMD_ERO;
6711 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6712 pcix_cmd);
6713 }
ee6a99b5
MC		 6714
6715 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ee6a99b5
MC		 6716
6717 /* Chip reset on 5780 will reset MSI enable bit,
6718 * so need to restore it.
6719 */
6720 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6721 u16 ctrl;
6722
6723 pci_read_config_word(tp->pdev,
6724 tp->msi_cap + PCI_MSI_FLAGS,
6725 &ctrl);
6726 pci_write_config_word(tp->pdev,
6727 tp->msi_cap + PCI_MSI_FLAGS,
6728 ctrl | PCI_MSI_FLAGS_ENABLE);
6729 val = tr32(MSGINT_MODE);
6730 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6731 }
6732 }
6733}
6734
1da177e4
LT		 6735static void tg3_stop_fw(struct tg3 *);
6736
6737/* tp->lock is held. */
6738static int tg3_chip_reset(struct tg3 *tp)
6739{
6740 u32 val;
1ee582d8 6741 void (*write_op)(struct tg3 *, u32, u32);
4f125f42 6742 int i, err;
1da177e4 6743
f49639e6
DM		 6744 tg3_nvram_lock(tp);
6745
77b483f1
MC		 6746 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6747
f49639e6
DM		 6748 /* No matching tg3_nvram_unlock() after this because
6749 * chip reset below will undo the nvram lock.
6750 */
6751 tp->nvram_lock_cnt = 0;
1da177e4 6752
ee6a99b5
MC		 6753 /* GRC_MISC_CFG core clock reset will clear the memory
6754 * enable bit in PCI register 4 and the MSI enable bit
6755 * on some chips, so we save relevant registers here.
6756 */
6757 tg3_save_pci_state(tp);
6758
d9ab5ad1 6759 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
321d32a0 6760 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
d9ab5ad1
MC		 6761 tw32(GRC_FASTBOOT_PC, 0);
6762
1da177e4
LT		 6763 /*
6764 * We must avoid the readl() that normally takes place.
6765 * It locks machines, causes machine checks, and other
6766 * fun things. So, temporarily disable the 5701
6767 * hardware workaround, while we do the reset.
6768 */
1ee582d8
MC		 6769 write_op = tp->write32;
6770 if (write_op == tg3_write_flush_reg32)
6771 tp->write32 = tg3_write32;
1da177e4 6772
d18edcb2
MC		 6773 /* Prevent the irq handler from reading or writing PCI registers
6774 * during chip reset when the memory enable bit in the PCI command
6775 * register may be cleared. The chip does not generate interrupt
6776 * at this time, but the irq handler may still be called due to irq
6777 * sharing or irqpoll.
6778 */
6779 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
f77a6a8e
MC		 6780 for (i = 0; i < tp->irq_cnt; i++) {
6781 struct tg3_napi *tnapi = &tp->napi[i];
6782 if (tnapi->hw_status) {
6783 tnapi->hw_status->status = 0;
6784 tnapi->hw_status->status_tag = 0;
6785 }
6786 tnapi->last_tag = 0;
6787 tnapi->last_irq_tag = 0;
b8fa2f3a 6788 }
d18edcb2 6789 smp_mb();
4f125f42
MC		 6790
6791 for (i = 0; i < tp->irq_cnt; i++)
6792 synchronize_irq(tp->napi[i].irq_vec);
d18edcb2 6793
255ca311
MC		 6794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6795 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6796 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6797 }
6798
1da177e4
LT		 6799 /* do the reset */
6800 val = GRC_MISC_CFG_CORECLK_RESET;
6801
6802 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6803 if (tr32(0x7e2c) == 0x60) {
6804 tw32(0x7e2c, 0x20);
6805 }
6806 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6807 tw32(GRC_MISC_CFG, (1 << 29));
6808 val |= (1 << 29);
6809 }
6810 }
6811
b5d3772c
MC		 6812 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6813 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6814 tw32(GRC_VCPU_EXT_CTRL,
6815 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6816 }
6817
1da177e4
LT		 6818 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6819 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6820 tw32(GRC_MISC_CFG, val);
6821
1ee582d8
MC		 6822 /* restore 5701 hardware bug workaround write method */
6823 tp->write32 = write_op;
1da177e4
LT		 6824
6825 /* Unfortunately, we have to delay before the PCI read back.
6826 * Some 575X chips even will not respond to a PCI cfg access
6827 * when the reset command is given to the chip.
6828 *
6829 * How do these hardware designers expect things to work
6830 * properly if the PCI write is posted for a long period
6831 * of time? It is always necessary to have some method by
6832 * which a register read back can occur to push the write
6833 * out which does the reset.
6834 *
6835 * For most tg3 variants the trick below was working.
6836 * Ho hum...
6837 */
6838 udelay(120);
6839
6840 /* Flush PCI posted writes. The normal MMIO registers
6841 * are inaccessible at this time so this is the only
6842 * way to make this reliably (actually, this is no longer
6843 * the case, see above). I tried to use indirect
6844 * register read/write but this upset some 5701 variants.
6845 */
6846 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6847
6848 udelay(120);
6849
5e7dfd0f 6850 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
e7126997
MC		 6851 u16 val16;
6852
1da177e4
LT		 6853 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6854 int i;
6855 u32 cfg_val;
6856
6857 /* Wait for link training to complete. */
6858 for (i = 0; i < 5000; i++)
6859 udelay(100);
6860
6861 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6862 pci_write_config_dword(tp->pdev, 0xc4,
6863 cfg_val | (1 << 15));
6864 }
5e7dfd0f 6865
e7126997
MC		 6866 /* Clear the "no snoop" and "relaxed ordering" bits. */
6867 pci_read_config_word(tp->pdev,
6868 tp->pcie_cap + PCI_EXP_DEVCTL,
6869 &val16);
6870 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6871 PCI_EXP_DEVCTL_NOSNOOP_EN);
6872 /*
6873 * Older PCIe devices only support the 128 byte
6874 * MPS setting. Enforce the restriction.
5e7dfd0f 6875 */
e7126997
MC		 6876 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6877 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6878 val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
5e7dfd0f
MC		 6879 pci_write_config_word(tp->pdev,
6880 tp->pcie_cap + PCI_EXP_DEVCTL,
e7126997 6881 val16);
5e7dfd0f
MC		 6882
6883 pcie_set_readrq(tp->pdev, 4096);
6884
6885 /* Clear error status */
6886 pci_write_config_word(tp->pdev,
6887 tp->pcie_cap + PCI_EXP_DEVSTA,
6888 PCI_EXP_DEVSTA_CED |
6889 PCI_EXP_DEVSTA_NFED |
6890 PCI_EXP_DEVSTA_FED |
6891 PCI_EXP_DEVSTA_URD);
1da177e4
LT		 6892 }
6893
ee6a99b5 6894 tg3_restore_pci_state(tp);
1da177e4 6895
d18edcb2
MC		 6896 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6897
ee6a99b5
MC		 6898 val = 0;
6899 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f 6900 val = tr32(MEMARB_MODE);
ee6a99b5 6901 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
1da177e4
LT		 6902
6903 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6904 tg3_stop_fw(tp);
6905 tw32(0x5000, 0x400);
6906 }
6907
6908 tw32(GRC_MODE, tp->grc_mode);
6909
6910 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
ab0049b4 6911 val = tr32(0xc4);
1da177e4
LT		 6912
6913 tw32(0xc4, val | (1 << 15));
6914 }
6915
6916 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6917 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6918 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6919 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6920 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6921 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6922 }
6923
6924 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6925 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6926 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 6927 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6928 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6929 tw32_f(MAC_MODE, tp->mac_mode);
3bda1258
MC		 6930 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6931 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6932 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6933 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6934 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 6935 } else
6936 tw32_f(MAC_MODE, 0);
6937 udelay(40);
6938
77b483f1
MC		 6939 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6940
7a6f4369
MC		 6941 err = tg3_poll_fw(tp);
6942 if (err)
6943 return err;
1da177e4 6944
0a9140cf
MC		 6945 tg3_mdio_start(tp);
6946
52cdf852
MC		 6947 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6948 u8 phy_addr;
6949
6950 phy_addr = tp->phy_addr;
6951 tp->phy_addr = TG3_PHY_PCIE_ADDR;
6952
6953 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6954 TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
6955 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
6956 TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
6957 TG3_PCIEPHY_TX0CTRL1_NB_EN;
6958 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
6959 udelay(10);
6960
6961 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6962 TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
6963 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
6964 TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
6965 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
6966 udelay(10);
6967
6968 tp->phy_addr = phy_addr;
6969 }
6970
1da177e4 6971 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
f6eb9b1f
MC		 6972 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
6973 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
6974 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
ab0049b4 6975 val = tr32(0x7c00);
1da177e4
LT		 6976
6977 tw32(0x7c00, val | (1 << 25));
6978 }
6979
6980 /* Reprobe ASF enable state. */
6981 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6982 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6983 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6984 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6985 u32 nic_cfg;
6986
6987 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6988 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6989 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4ba526ce 6990 tp->last_event_jiffies = jiffies;
cbf46853 6991 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 6992 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6993 }
6994 }
6995
6996 return 0;
6997}
6998
6999/* tp->lock is held. */
7000static void tg3_stop_fw(struct tg3 *tp)
7001{
0d3031d9
MC		 7002 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7003 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7c5026aa
MC		 7004 /* Wait for RX cpu to ACK the previous event. */
7005 tg3_wait_for_event_ack(tp);
1da177e4
LT		 7006
7007 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4ba526ce
MC		 7008
7009 tg3_generate_fw_event(tp);
1da177e4 7010
7c5026aa
MC		 7011 /* Wait for RX cpu to ACK this event. */
7012 tg3_wait_for_event_ack(tp);
1da177e4
LT		 7013 }
7014}
7015
7016/* tp->lock is held. */
944d980e 7017static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 7018{
7019 int err;
7020
7021 tg3_stop_fw(tp);
7022
944d980e 7023 tg3_write_sig_pre_reset(tp, kind);
1da177e4 7024
b3b7d6be 7025 tg3_abort_hw(tp, silent);
1da177e4
LT		 7026 err = tg3_chip_reset(tp);
7027
daba2a63
MC		 7028 __tg3_set_mac_addr(tp, 0);
7029
944d980e
MC		 7030 tg3_write_sig_legacy(tp, kind);
7031 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 7032
7033 if (err)
7034 return err;
7035
7036 return 0;
7037}
7038
1da177e4
LT		 7039#define RX_CPU_SCRATCH_BASE 0x30000
7040#define RX_CPU_SCRATCH_SIZE 0x04000
7041#define TX_CPU_SCRATCH_BASE 0x34000
7042#define TX_CPU_SCRATCH_SIZE 0x04000
7043
7044/* tp->lock is held. */
7045static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7046{
7047 int i;
7048
5d9428de
ES		 7049 BUG_ON(offset == TX_CPU_BASE &&
7050 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 7051
b5d3772c
MC		 7052 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7053 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7054
7055 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7056 return 0;
7057 }
1da177e4
LT		 7058 if (offset == RX_CPU_BASE) {
7059 for (i = 0; i < 10000; i++) {
7060 tw32(offset + CPU_STATE, 0xffffffff);
7061 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7062 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7063 break;
7064 }
7065
7066 tw32(offset + CPU_STATE, 0xffffffff);
7067 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
7068 udelay(10);
7069 } else {
7070 for (i = 0; i < 10000; i++) {
7071 tw32(offset + CPU_STATE, 0xffffffff);
7072 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7073 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7074 break;
7075 }
7076 }
7077
7078 if (i >= 10000) {
7079 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
7080 "and %s CPU\n",
7081 tp->dev->name,
7082 (offset == RX_CPU_BASE ? "RX" : "TX"));
7083 return -ENODEV;
7084 }
ec41c7df
MC		 7085
7086 /* Clear firmware's nvram arbitration. */
7087 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7088 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 7089 return 0;
7090}
7091
7092struct fw_info {
077f849d
JSR		 7093 unsigned int fw_base;
7094 unsigned int fw_len;
7095 const __be32 *fw_data;
1da177e4
LT		 7096};
7097
7098/* tp->lock is held. */
7099static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7100 int cpu_scratch_size, struct fw_info *info)
7101{
ec41c7df 7102 int err, lock_err, i;
1da177e4
LT		 7103 void (*write_op)(struct tg3 *, u32, u32);
7104
7105 if (cpu_base == TX_CPU_BASE &&
7106 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7107 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
7108 "TX cpu firmware on %s which is 5705.\n",
7109 tp->dev->name);
7110 return -EINVAL;
7111 }
7112
7113 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7114 write_op = tg3_write_mem;
7115 else
7116 write_op = tg3_write_indirect_reg32;
7117
1b628151
MC		 7118 /* It is possible that bootcode is still loading at this point.
7119 * Get the nvram lock first before halting the cpu.
7120 */
ec41c7df 7121 lock_err = tg3_nvram_lock(tp);
1da177e4 7122 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 7123 if (!lock_err)
7124 tg3_nvram_unlock(tp);
1da177e4
LT		 7125 if (err)
7126 goto out;
7127
7128 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7129 write_op(tp, cpu_scratch_base + i, 0);
7130 tw32(cpu_base + CPU_STATE, 0xffffffff);
7131 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
077f849d 7132 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
1da177e4 7133 write_op(tp, (cpu_scratch_base +
077f849d 7134 (info->fw_base & 0xffff) +
1da177e4 7135 (i * sizeof(u32))),
077f849d 7136 be32_to_cpu(info->fw_data[i]));
1da177e4
LT		 7137
7138 err = 0;
7139
7140out:
1da177e4
LT		 7141 return err;
7142}
7143
7144/* tp->lock is held. */
7145static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7146{
7147 struct fw_info info;
077f849d 7148 const __be32 *fw_data;
1da177e4
LT		 7149 int err, i;
7150
077f849d
JSR		 7151 fw_data = (void *)tp->fw->data;
7152
7153 /* Firmware blob starts with version numbers, followed by
7154 start address and length. We are setting complete length.
7155 length = end_address_of_bss - start_address_of_text.
7156 Remainder is the blob to be loaded contiguously
7157 from start address. */
7158
7159 info.fw_base = be32_to_cpu(fw_data[1]);
7160 info.fw_len = tp->fw->size - 12;
7161 info.fw_data = &fw_data[3];
1da177e4
LT		 7162
7163 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7164 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7165 &info);
7166 if (err)
7167 return err;
7168
7169 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7170 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7171 &info);
7172 if (err)
7173 return err;
7174
7175 /* Now startup only the RX cpu. */
7176 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
077f849d 7177 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
1da177e4
LT		 7178
7179 for (i = 0; i < 5; i++) {
077f849d 7180 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
1da177e4
LT		 7181 break;
7182 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7183 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
077f849d 7184 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
1da177e4
LT		 7185 udelay(1000);
7186 }
7187 if (i >= 5) {
7188 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
7189 "to set RX CPU PC, is %08x should be %08x\n",
7190 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
077f849d 7191 info.fw_base);
1da177e4
LT		 7192 return -ENODEV;
7193 }
7194 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7195 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
7196
7197 return 0;
7198}
7199
1da177e4 7200/* 5705 needs a special version of the TSO firmware. */
1da177e4
LT		 7201
7202/* tp->lock is held. */
7203static int tg3_load_tso_firmware(struct tg3 *tp)
7204{
7205 struct fw_info info;
077f849d 7206 const __be32 *fw_data;
1da177e4
LT		 7207 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7208 int err, i;
7209
7210 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7211 return 0;
7212
077f849d
JSR		 7213 fw_data = (void *)tp->fw->data;
7214
7215 /* Firmware blob starts with version numbers, followed by
7216 start address and length. We are setting complete length.
7217 length = end_address_of_bss - start_address_of_text.
7218 Remainder is the blob to be loaded contiguously
7219 from start address. */
7220
7221 info.fw_base = be32_to_cpu(fw_data[1]);
7222 cpu_scratch_size = tp->fw_len;
7223 info.fw_len = tp->fw->size - 12;
7224 info.fw_data = &fw_data[3];
7225
1da177e4 7226 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1da177e4
LT		 7227 cpu_base = RX_CPU_BASE;
7228 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
1da177e4 7229 } else {
1da177e4
LT		 7230 cpu_base = TX_CPU_BASE;
7231 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7232 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7233 }
7234
7235 err = tg3_load_firmware_cpu(tp, cpu_base,
7236 cpu_scratch_base, cpu_scratch_size,
7237 &info);
7238 if (err)
7239 return err;
7240
7241 /* Now startup the cpu. */
7242 tw32(cpu_base + CPU_STATE, 0xffffffff);
077f849d 7243 tw32_f(cpu_base + CPU_PC, info.fw_base);
1da177e4
LT		 7244
7245 for (i = 0; i < 5; i++) {
077f849d 7246 if (tr32(cpu_base + CPU_PC) == info.fw_base)
1da177e4
LT		 7247 break;
7248 tw32(cpu_base + CPU_STATE, 0xffffffff);
7249 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
077f849d 7250 tw32_f(cpu_base + CPU_PC, info.fw_base);
1da177e4
LT		 7251 udelay(1000);
7252 }
7253 if (i >= 5) {
7254 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
7255 "to set CPU PC, is %08x should be %08x\n",
7256 tp->dev->name, tr32(cpu_base + CPU_PC),
077f849d 7257 info.fw_base);
1da177e4
LT		 7258 return -ENODEV;
7259 }
7260 tw32(cpu_base + CPU_STATE, 0xffffffff);
7261 tw32_f(cpu_base + CPU_MODE, 0x00000000);
7262 return 0;
7263}
7264
1da177e4 7265
1da177e4
LT		 7266static int tg3_set_mac_addr(struct net_device *dev, void *p)
7267{
7268 struct tg3 *tp = netdev_priv(dev);
7269 struct sockaddr *addr = p;
986e0aeb 7270 int err = 0, skip_mac_1 = 0;
1da177e4 7271
f9804ddb
MC		 7272 if (!is_valid_ether_addr(addr->sa_data))
7273 return -EINVAL;
7274
1da177e4
LT		 7275 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7276
e75f7c90
MC		 7277 if (!netif_running(dev))
7278 return 0;
7279
58712ef9 7280 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
986e0aeb 7281 u32 addr0_high, addr0_low, addr1_high, addr1_low;
58712ef9 7282
986e0aeb
MC		 7283 addr0_high = tr32(MAC_ADDR_0_HIGH);
7284 addr0_low = tr32(MAC_ADDR_0_LOW);
7285 addr1_high = tr32(MAC_ADDR_1_HIGH);
7286 addr1_low = tr32(MAC_ADDR_1_LOW);
7287
7288 /* Skip MAC addr 1 if ASF is using it. */
7289 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7290 !(addr1_high == 0 && addr1_low == 0))
7291 skip_mac_1 = 1;
58712ef9 7292 }
986e0aeb
MC		 7293 spin_lock_bh(&tp->lock);
7294 __tg3_set_mac_addr(tp, skip_mac_1);
7295 spin_unlock_bh(&tp->lock);
1da177e4 7296
b9ec6c1b 7297 return err;
1da177e4
LT		 7298}
7299
7300/* tp->lock is held. */
7301static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7302 dma_addr_t mapping, u32 maxlen_flags,
7303 u32 nic_addr)
7304{
7305 tg3_write_mem(tp,
7306 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7307 ((u64) mapping >> 32));
7308 tg3_write_mem(tp,
7309 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7310 ((u64) mapping & 0xffffffff));
7311 tg3_write_mem(tp,
7312 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7313 maxlen_flags);
7314
7315 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7316 tg3_write_mem(tp,
7317 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7318 nic_addr);
7319}
7320
7321static void __tg3_set_rx_mode(struct net_device *);
d244c892 7322static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d 7323{
b6080e12
MC		 7324 int i;
7325
19cfaecc 7326 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
b6080e12
MC		 7327 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7328 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7329 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
b6080e12
MC		 7330 } else {
7331 tw32(HOSTCC_TXCOL_TICKS, 0);
7332 tw32(HOSTCC_TXMAX_FRAMES, 0);
7333 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
19cfaecc 7334 }
b6080e12 7335
19cfaecc
MC		 7336 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7337 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7338 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7339 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7340 } else {
b6080e12
MC		 7341 tw32(HOSTCC_RXCOL_TICKS, 0);
7342 tw32(HOSTCC_RXMAX_FRAMES, 0);
7343 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
15f9850d 7344 }
b6080e12 7345
15f9850d
DM		 7346 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7347 u32 val = ec->stats_block_coalesce_usecs;
7348
b6080e12
MC		 7349 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7350 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7351
15f9850d
DM		 7352 if (!netif_carrier_ok(tp->dev))
7353 val = 0;
7354
7355 tw32(HOSTCC_STAT_COAL_TICKS, val);
7356 }
b6080e12
MC		 7357
7358 for (i = 0; i < tp->irq_cnt - 1; i++) {
7359 u32 reg;
7360
7361 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7362 tw32(reg, ec->rx_coalesce_usecs);
b6080e12
MC		 7363 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7364 tw32(reg, ec->rx_max_coalesced_frames);
b6080e12
MC		 7365 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7366 tw32(reg, ec->rx_max_coalesced_frames_irq);
19cfaecc
MC		 7367
7368 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7369 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7370 tw32(reg, ec->tx_coalesce_usecs);
7371 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7372 tw32(reg, ec->tx_max_coalesced_frames);
7373 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7374 tw32(reg, ec->tx_max_coalesced_frames_irq);
7375 }
b6080e12
MC		 7376 }
7377
7378 for (; i < tp->irq_max - 1; i++) {
7379 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
b6080e12 7380 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
b6080e12 7381 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
19cfaecc
MC		 7382
7383 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7384 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7385 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7386 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7387 }
b6080e12 7388 }
15f9850d 7389}
1da177e4 7390
2d31ecaf
MC		 7391/* tp->lock is held. */
7392static void tg3_rings_reset(struct tg3 *tp)
7393{
7394 int i;
f77a6a8e 7395 u32 stblk, txrcb, rxrcb, limit;
2d31ecaf
MC		 7396 struct tg3_napi *tnapi = &tp->napi[0];
7397
7398 /* Disable all transmit rings but the first. */
7399 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7400 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7401 else
7402 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7403
7404 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7405 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7406 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7407 BDINFO_FLAGS_DISABLED);
7408
7409
7410 /* Disable all receive return rings but the first. */
f6eb9b1f
MC		 7411 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7412 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7413 else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
2d31ecaf
MC		 7414 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7415 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7416 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7417 else
7418 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7419
7420 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7421 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7422 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7423 BDINFO_FLAGS_DISABLED);
7424
7425 /* Disable interrupts */
7426 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7427
7428 /* Zero mailbox registers. */
f77a6a8e
MC		 7429 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7430 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7431 tp->napi[i].tx_prod = 0;
7432 tp->napi[i].tx_cons = 0;
7433 tw32_mailbox(tp->napi[i].prodmbox, 0);
7434 tw32_rx_mbox(tp->napi[i].consmbox, 0);
7435 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7436 }
7437 } else {
7438 tp->napi[0].tx_prod = 0;
7439 tp->napi[0].tx_cons = 0;
7440 tw32_mailbox(tp->napi[0].prodmbox, 0);
7441 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7442 }
2d31ecaf
MC		 7443
7444 /* Make sure the NIC-based send BD rings are disabled. */
7445 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7446 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7447 for (i = 0; i < 16; i++)
7448 tw32_tx_mbox(mbox + i * 8, 0);
7449 }
7450
7451 txrcb = NIC_SRAM_SEND_RCB;
7452 rxrcb = NIC_SRAM_RCV_RET_RCB;
7453
7454 /* Clear status block in ram. */
7455 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7456
7457 /* Set status block DMA address */
7458 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7459 ((u64) tnapi->status_mapping >> 32));
7460 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7461 ((u64) tnapi->status_mapping & 0xffffffff));
7462
f77a6a8e
MC		 7463 if (tnapi->tx_ring) {
7464 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7465 (TG3_TX_RING_SIZE <<
7466 BDINFO_FLAGS_MAXLEN_SHIFT),
7467 NIC_SRAM_TX_BUFFER_DESC);
7468 txrcb += TG3_BDINFO_SIZE;
7469 }
7470
7471 if (tnapi->rx_rcb) {
7472 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7473 (TG3_RX_RCB_RING_SIZE(tp) <<
7474 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7475 rxrcb += TG3_BDINFO_SIZE;
7476 }
7477
7478 stblk = HOSTCC_STATBLCK_RING1;
2d31ecaf 7479
f77a6a8e
MC		 7480 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7481 u64 mapping = (u64)tnapi->status_mapping;
7482 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7483 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7484
7485 /* Clear status block in ram. */
7486 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7487
19cfaecc
MC		 7488 if (tnapi->tx_ring) {
7489 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7490 (TG3_TX_RING_SIZE <<
7491 BDINFO_FLAGS_MAXLEN_SHIFT),
7492 NIC_SRAM_TX_BUFFER_DESC);
7493 txrcb += TG3_BDINFO_SIZE;
7494 }
f77a6a8e
MC		 7495
7496 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7497 (TG3_RX_RCB_RING_SIZE(tp) <<
7498 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7499
7500 stblk += 8;
f77a6a8e
MC		 7501 rxrcb += TG3_BDINFO_SIZE;
7502 }
2d31ecaf
MC		 7503}
7504
1da177e4 7505/* tp->lock is held. */
8e7a22e3 7506static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 7507{
7508 u32 val, rdmac_mode;
7509 int i, err, limit;
21f581a5 7510 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
1da177e4
LT		 7511
7512 tg3_disable_ints(tp);
7513
7514 tg3_stop_fw(tp);
7515
7516 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7517
7518 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 7519 tg3_abort_hw(tp, 1);
1da177e4
LT		 7520 }
7521
dd477003
MC		 7522 if (reset_phy &&
7523 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
d4d2c558
MC		 7524 tg3_phy_reset(tp);
7525
1da177e4
LT		 7526 err = tg3_chip_reset(tp);
7527 if (err)
7528 return err;
7529
7530 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7531
bcb37f6c 7532 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
d30cdd28
MC		 7533 val = tr32(TG3_CPMU_CTRL);
7534 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7535 tw32(TG3_CPMU_CTRL, val);
9acb961e
MC		 7536
7537 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7538 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7539 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7540 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7541
7542 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7543 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7544 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7545 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7546
7547 val = tr32(TG3_CPMU_HST_ACC);
7548 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7549 val |= CPMU_HST_ACC_MACCLK_6_25;
7550 tw32(TG3_CPMU_HST_ACC, val);
d30cdd28
MC		 7551 }
7552
33466d93
MC		 7553 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7554 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7555 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7556 PCIE_PWR_MGMT_L1_THRESH_4MS;
7557 tw32(PCIE_PWR_MGMT_THRESH, val);
521e6b90
MC		 7558
7559 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7560 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7561
7562 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
33466d93 7563
f40386c8
MC		 7564 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7565 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
255ca311
MC		 7566 }
7567
1da177e4
LT		 7568 /* This works around an issue with Athlon chipsets on
7569 * B3 tigon3 silicon. This bit has no effect on any
7570 * other revision. But do not set this on PCI Express
795d01c5 7571 * chips and don't even touch the clocks if the CPMU is present.
1da177e4 7572 */
795d01c5
MC		 7573 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7574 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7575 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7576 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7577 }
1da177e4
LT		 7578
7579 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7580 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7581 val = tr32(TG3PCI_PCISTATE);
7582 val |= PCISTATE_RETRY_SAME_DMA;
7583 tw32(TG3PCI_PCISTATE, val);
7584 }
7585
0d3031d9
MC		 7586 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7587 /* Allow reads and writes to the
7588 * APE register and memory space.
7589 */
7590 val = tr32(TG3PCI_PCISTATE);
7591 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7592 PCISTATE_ALLOW_APE_SHMEM_WR;
7593 tw32(TG3PCI_PCISTATE, val);
7594 }
7595
1da177e4
LT		 7596 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7597 /* Enable some hw fixes. */
7598 val = tr32(TG3PCI_MSI_DATA);
7599 val |= (1 << 26) | (1 << 28) | (1 << 29);
7600 tw32(TG3PCI_MSI_DATA, val);
7601 }
7602
7603 /* Descriptor ring init may make accesses to the
7604 * NIC SRAM area to setup the TX descriptors, so we
7605 * can only do this after the hardware has been
7606 * successfully reset.
7607 */
32d8c572
MC		 7608 err = tg3_init_rings(tp);
7609 if (err)
7610 return err;
1da177e4 7611
cbf9ca6c
MC		 7612 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7613 val = tr32(TG3PCI_DMA_RW_CTRL) &
7614 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7615 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7616 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7617 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
d30cdd28
MC		 7618 /* This value is determined during the probe time DMA
7619 * engine test, tg3_test_dma.
7620 */
7621 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7622 }
1da177e4
LT		 7623
7624 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7625 GRC_MODE_4X_NIC_SEND_RINGS |
7626 GRC_MODE_NO_TX_PHDR_CSUM |
7627 GRC_MODE_NO_RX_PHDR_CSUM);
7628 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 7629
7630 /* Pseudo-header checksum is done by hardware logic and not
7631 * the offload processers, so make the chip do the pseudo-
7632 * header checksums on receive. For transmit it is more
7633 * convenient to do the pseudo-header checksum in software
7634 * as Linux does that on transmit for us in all cases.
7635 */
7636 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 7637
7638 tw32(GRC_MODE,
7639 tp->grc_mode |
7640 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7641
7642 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7643 val = tr32(GRC_MISC_CFG);
7644 val &= ~0xff;
7645 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7646 tw32(GRC_MISC_CFG, val);
7647
7648 /* Initialize MBUF/DESC pool. */
cbf46853 7649 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 7650 /* Do nothing. */
7651 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7652 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7653 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7654 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7655 else
7656 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7657 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7658 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7659 }
1da177e4
LT		 7660 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7661 int fw_len;
7662
077f849d 7663 fw_len = tp->fw_len;
1da177e4
LT		 7664 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7665 tw32(BUFMGR_MB_POOL_ADDR,
7666 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7667 tw32(BUFMGR_MB_POOL_SIZE,
7668 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7669 }
1da177e4 7670
0f893dc6 7671 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 7672 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7673 tp->bufmgr_config.mbuf_read_dma_low_water);
7674 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7675 tp->bufmgr_config.mbuf_mac_rx_low_water);
7676 tw32(BUFMGR_MB_HIGH_WATER,
7677 tp->bufmgr_config.mbuf_high_water);
7678 } else {
7679 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7680 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7681 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7682 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7683 tw32(BUFMGR_MB_HIGH_WATER,
7684 tp->bufmgr_config.mbuf_high_water_jumbo);
7685 }
7686 tw32(BUFMGR_DMA_LOW_WATER,
7687 tp->bufmgr_config.dma_low_water);
7688 tw32(BUFMGR_DMA_HIGH_WATER,
7689 tp->bufmgr_config.dma_high_water);
7690
7691 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7692 for (i = 0; i < 2000; i++) {
7693 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7694 break;
7695 udelay(10);
7696 }
7697 if (i >= 2000) {
7698 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7699 tp->dev->name);
7700 return -ENODEV;
7701 }
7702
7703 /* Setup replenish threshold. */
f92905de
MC		 7704 val = tp->rx_pending / 8;
7705 if (val == 0)
7706 val = 1;
7707 else if (val > tp->rx_std_max_post)
7708 val = tp->rx_std_max_post;
b5d3772c
MC		 7709 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7710 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7711 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7712
7713 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7714 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7715 }
f92905de
MC		 7716
7717 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 7718
7719 /* Initialize TG3_BDINFO's at:
7720 * RCVDBDI_STD_BD: standard eth size rx ring
7721 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
7722 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
7723 *
7724 * like so:
7725 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
7726 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
7727 * ring attribute flags
7728 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
7729 *
7730 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7731 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7732 *
7733 * The size of each ring is fixed in the firmware, but the location is
7734 * configurable.
7735 */
7736 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 7737 ((u64) tpr->rx_std_mapping >> 32));
1da177e4 7738 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 7739 ((u64) tpr->rx_std_mapping & 0xffffffff));
87668d35
MC		 7740 if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
7741 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7742 NIC_SRAM_RX_BUFFER_DESC);
1da177e4 7743
fdb72b38
MC		 7744 /* Disable the mini ring */
7745 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
1da177e4
LT		 7746 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7747 BDINFO_FLAGS_DISABLED);
7748
fdb72b38
MC		 7749 /* Program the jumbo buffer descriptor ring control
7750 * blocks on those devices that have them.
7751 */
8f666b07 7752 if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
fdb72b38 7753 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 7754 /* Setup replenish threshold. */
7755 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7756
0f893dc6 7757 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4 7758 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 7759 ((u64) tpr->rx_jmb_mapping >> 32));
1da177e4 7760 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 7761 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
1da177e4 7762 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
79ed5ac7
MC		 7763 (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7764 BDINFO_FLAGS_USE_EXT_RECV);
87668d35
MC		 7765 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7766 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7767 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
1da177e4
LT		 7768 } else {
7769 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7770 BDINFO_FLAGS_DISABLED);
7771 }
7772
f6eb9b1f
MC		 7773 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7774 val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7775 (RX_STD_MAX_SIZE << 2);
7776 else
7777 val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
fdb72b38
MC		 7778 } else
7779 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7780
7781 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
1da177e4 7782
411da640 7783 tpr->rx_std_prod_idx = tp->rx_pending;
66711e66 7784 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
1da177e4 7785
411da640 7786 tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
21f581a5 7787 tp->rx_jumbo_pending : 0;
66711e66 7788 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
1da177e4 7789
f6eb9b1f
MC		 7790 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7791 tw32(STD_REPLENISH_LWM, 32);
7792 tw32(JMB_REPLENISH_LWM, 16);
7793 }
7794
2d31ecaf
MC		 7795 tg3_rings_reset(tp);
7796
1da177e4 7797 /* Initialize MAC address and backoff seed. */
986e0aeb 7798 __tg3_set_mac_addr(tp, 0);
1da177e4
LT		 7799
7800 /* MTU + ethernet header + FCS + optional VLAN tag */
f7b493e0
MC		 7801 tw32(MAC_RX_MTU_SIZE,
7802 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
1da177e4
LT		 7803
7804 /* The slot time is changed by tg3_setup_phy if we
7805 * run at gigabit with half duplex.
7806 */
7807 tw32(MAC_TX_LENGTHS,
7808 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7809 (6 << TX_LENGTHS_IPG_SHIFT) |
7810 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7811
7812 /* Receive rules. */
7813 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7814 tw32(RCVLPC_CONFIG, 0x0181);
7815
7816 /* Calculate RDMAC_MODE setting early, we need it to determine
7817 * the RCVLPC_STATE_ENABLE mask.
7818 */
7819 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7820 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7821 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7822 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7823 RDMAC_MODE_LNGREAD_ENAB);
85e94ced 7824
57e6983c 7825 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
321d32a0
MC		 7826 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7827 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
d30cdd28
MC		 7828 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7829 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7830 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7831
85e94ced
MC		 7832 /* If statement applies to 5705 and 5750 PCI devices only */
7833 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7834 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7835 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4 7836 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
c13e3713 7837 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1da177e4
LT		 7838 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7839 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7840 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7841 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7842 }
7843 }
7844
85e94ced
MC		 7845 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7846 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7847
1da177e4 7848 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
027455ad
MC		 7849 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7850
e849cdc3
MC		 7851 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7852 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
027455ad
MC		 7853 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7854 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
1da177e4
LT		 7855
7856 /* Receive/send statistics. */
1661394e
MC		 7857 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7858 val = tr32(RCVLPC_STATS_ENABLE);
7859 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7860 tw32(RCVLPC_STATS_ENABLE, val);
7861 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7862 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 7863 val = tr32(RCVLPC_STATS_ENABLE);
7864 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7865 tw32(RCVLPC_STATS_ENABLE, val);
7866 } else {
7867 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7868 }
7869 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7870 tw32(SNDDATAI_STATSENAB, 0xffffff);
7871 tw32(SNDDATAI_STATSCTRL,
7872 (SNDDATAI_SCTRL_ENABLE |
7873 SNDDATAI_SCTRL_FASTUPD));
7874
7875 /* Setup host coalescing engine. */
7876 tw32(HOSTCC_MODE, 0);
7877 for (i = 0; i < 2000; i++) {
7878 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7879 break;
7880 udelay(10);
7881 }
7882
d244c892 7883 __tg3_set_coalesce(tp, &tp->coal);
1da177e4 7884
1da177e4
LT		 7885 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7886 /* Status/statistics block address. See tg3_timer,
7887 * the tg3_periodic_fetch_stats call there, and
7888 * tg3_get_stats to see how this works for 5705/5750 chips.
7889 */
1da177e4
LT		 7890 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7891 ((u64) tp->stats_mapping >> 32));
7892 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7893 ((u64) tp->stats_mapping & 0xffffffff));
7894 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
2d31ecaf 7895
1da177e4 7896 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
2d31ecaf
MC		 7897
7898 /* Clear statistics and status block memory areas */
7899 for (i = NIC_SRAM_STATS_BLK;
7900 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7901 i += sizeof(u32)) {
7902 tg3_write_mem(tp, i, 0);
7903 udelay(40);
7904 }
1da177e4
LT		 7905 }
7906
7907 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7908
7909 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7910 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7911 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7912 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7913
c94e3941
MC		 7914 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7915 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7916 /* reset to prevent losing 1st rx packet intermittently */
7917 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7918 udelay(10);
7919 }
7920
3bda1258
MC		 7921 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7922 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7923 else
7924 tp->mac_mode = 0;
7925 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
1da177e4 7926 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
e8f3f6ca
MC		 7927 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7928 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7929 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7930 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1da177e4
LT		 7931 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7932 udelay(40);
7933
314fba34 7934 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 7935 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 7936 * register to preserve the GPIO settings for LOMs. The GPIOs,
7937 * whether used as inputs or outputs, are set by boot code after
7938 * reset.
7939 */
9d26e213 7940 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 7941 u32 gpio_mask;
7942
9d26e213
MC		 7943 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7944 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7945 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 7946
7947 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7948 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7949 GRC_LCLCTRL_GPIO_OUTPUT3;
7950
af36e6b6
MC		 7951 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7952 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7953
aaf84465 7954 tp->grc_local_ctrl &= ~gpio_mask;
314fba34
MC		 7955 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7956
7957 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 7958 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7959 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7960 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 7961 }
1da177e4
LT		 7962 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7963 udelay(100);
7964
baf8a94a
MC		 7965 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
7966 val = tr32(MSGINT_MODE);
7967 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
7968 tw32(MSGINT_MODE, val);
7969 }
7970
1da177e4
LT		 7971 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7972 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7973 udelay(40);
7974 }
7975
7976 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7977 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7978 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7979 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7980 WDMAC_MODE_LNGREAD_ENAB);
7981
85e94ced
MC		 7982 /* If statement applies to 5705 and 5750 PCI devices only */
7983 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7984 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7985 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
29ea095f 7986 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
1da177e4
LT		 7987 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7988 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7989 /* nothing */
7990 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7991 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7992 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7993 val |= WDMAC_MODE_RX_ACCEL;
7994 }
7995 }
7996
d9ab5ad1 7997 /* Enable host coalescing bug fix */
321d32a0 7998 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
f51f3562 7999 val |= WDMAC_MODE_STATUS_TAG_FIX;
d9ab5ad1 8000
788a035e
MC		 8001 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8002 val |= WDMAC_MODE_BURST_ALL_DATA;
8003
1da177e4
LT		 8004 tw32_f(WDMAC_MODE, val);
8005 udelay(40);
8006
9974a356
MC		 8007 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8008 u16 pcix_cmd;
8009
8010 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8011 &pcix_cmd);
1da177e4 8012 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
9974a356
MC		 8013 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8014 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 8015 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
9974a356
MC		 8016 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8017 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 8018 }
9974a356
MC		 8019 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8020 pcix_cmd);
1da177e4
LT		 8021 }
8022
8023 tw32_f(RDMAC_MODE, rdmac_mode);
8024 udelay(40);
8025
8026 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8027 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8028 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
9936bcf6
MC		 8029
8030 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8031 tw32(SNDDATAC_MODE,
8032 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8033 else
8034 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8035
1da177e4
LT		 8036 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8037 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8038 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8039 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 8040 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8041 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
baf8a94a 8042 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
19cfaecc 8043 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
baf8a94a
MC		 8044 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8045 tw32(SNDBDI_MODE, val);
1da177e4
LT		 8046 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8047
8048 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8049 err = tg3_load_5701_a0_firmware_fix(tp);
8050 if (err)
8051 return err;
8052 }
8053
1da177e4
LT		 8054 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8055 err = tg3_load_tso_firmware(tp);
8056 if (err)
8057 return err;
8058 }
1da177e4
LT		 8059
8060 tp->tx_mode = TX_MODE_ENABLE;
8061 tw32_f(MAC_TX_MODE, tp->tx_mode);
8062 udelay(100);
8063
baf8a94a
MC		 8064 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8065 u32 reg = MAC_RSS_INDIR_TBL_0;
8066 u8 *ent = (u8 *)&val;
8067
8068 /* Setup the indirection table */
8069 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8070 int idx = i % sizeof(val);
8071
8072 ent[idx] = i % (tp->irq_cnt - 1);
8073 if (idx == sizeof(val) - 1) {
8074 tw32(reg, val);
8075 reg += 4;
8076 }
8077 }
8078
8079 /* Setup the "secret" hash key. */
8080 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8081 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8082 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8083 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8084 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8085 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8086 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8087 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8088 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8089 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8090 }
8091
1da177e4 8092 tp->rx_mode = RX_MODE_ENABLE;
321d32a0 8093 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
af36e6b6
MC		 8094 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8095
baf8a94a
MC		 8096 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8097 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8098 RX_MODE_RSS_ITBL_HASH_BITS_7 |
8099 RX_MODE_RSS_IPV6_HASH_EN |
8100 RX_MODE_RSS_TCP_IPV6_HASH_EN |
8101 RX_MODE_RSS_IPV4_HASH_EN |
8102 RX_MODE_RSS_TCP_IPV4_HASH_EN;
8103
1da177e4
LT		 8104 tw32_f(MAC_RX_MODE, tp->rx_mode);
8105 udelay(10);
8106
1da177e4
LT		 8107 tw32(MAC_LED_CTRL, tp->led_ctrl);
8108
8109 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 8110 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 8111 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8112 udelay(10);
8113 }
8114 tw32_f(MAC_RX_MODE, tp->rx_mode);
8115 udelay(10);
8116
8117 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8118 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8119 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
8120 /* Set drive transmission level to 1.2V */
8121 /* only if the signal pre-emphasis bit is not set */
8122 val = tr32(MAC_SERDES_CFG);
8123 val &= 0xfffff000;
8124 val |= 0x880;
8125 tw32(MAC_SERDES_CFG, val);
8126 }
8127 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8128 tw32(MAC_SERDES_CFG, 0x616000);
8129 }
8130
8131 /* Prevent chip from dropping frames when flow control
8132 * is enabled.
8133 */
8134 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
8135
8136 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8137 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8138 /* Use hardware link auto-negotiation */
8139 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8140 }
8141
d4d2c558
MC		 8142 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
8143 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8144 u32 tmp;
8145
8146 tmp = tr32(SERDES_RX_CTRL);
8147 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8148 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8149 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8150 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8151 }
8152
dd477003
MC		 8153 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8154 if (tp->link_config.phy_is_low_power) {
8155 tp->link_config.phy_is_low_power = 0;
8156 tp->link_config.speed = tp->link_config.orig_speed;
8157 tp->link_config.duplex = tp->link_config.orig_duplex;
8158 tp->link_config.autoneg = tp->link_config.orig_autoneg;
8159 }
1da177e4 8160
dd477003
MC		 8161 err = tg3_setup_phy(tp, 0);
8162 if (err)
8163 return err;
1da177e4 8164
dd477003 8165 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7f97a4bd 8166 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
dd477003
MC		 8167 u32 tmp;
8168
8169 /* Clear CRC stats. */
8170 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8171 tg3_writephy(tp, MII_TG3_TEST1,
8172 tmp | MII_TG3_TEST1_CRC_EN);
8173 tg3_readphy(tp, 0x14, &tmp);
8174 }
1da177e4
LT		 8175 }
8176 }
8177
8178 __tg3_set_rx_mode(tp->dev);
8179
8180 /* Initialize receive rules. */
8181 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
8182 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8183 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
8184 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8185
4cf78e4f 8186 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 8187 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 8188 limit = 8;
8189 else
8190 limit = 16;
8191 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8192 limit -= 4;
8193 switch (limit) {
8194 case 16:
8195 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
8196 case 15:
8197 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
8198 case 14:
8199 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
8200 case 13:
8201 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
8202 case 12:
8203 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
8204 case 11:
8205 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
8206 case 10:
8207 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
8208 case 9:
8209 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
8210 case 8:
8211 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
8212 case 7:
8213 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
8214 case 6:
8215 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
8216 case 5:
8217 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
8218 case 4:
8219 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
8220 case 3:
8221 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
8222 case 2:
8223 case 1:
8224
8225 default:
8226 break;
855e1111 8227 }
1da177e4 8228
9ce768ea
MC		 8229 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8230 /* Write our heartbeat update interval to APE. */
8231 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8232 APE_HOST_HEARTBEAT_INT_DISABLE);
0d3031d9 8233
1da177e4
LT		 8234 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8235
1da177e4
LT		 8236 return 0;
8237}
8238
8239/* Called at device open time to get the chip ready for
8240 * packet processing. Invoked with tp->lock held.
8241 */
8e7a22e3 8242static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4 8243{
1da177e4
LT		 8244 tg3_switch_clocks(tp);
8245
8246 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8247
2f751b67 8248 return tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 8249}
8250
8251#define TG3_STAT_ADD32(PSTAT, REG) \
8252do { u32 __val = tr32(REG); \
8253 (PSTAT)->low += __val; \
8254 if ((PSTAT)->low < __val) \
8255 (PSTAT)->high += 1; \
8256} while (0)
8257
8258static void tg3_periodic_fetch_stats(struct tg3 *tp)
8259{
8260 struct tg3_hw_stats *sp = tp->hw_stats;
8261
8262 if (!netif_carrier_ok(tp->dev))
8263 return;
8264
8265 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8266 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8267 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8268 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8269 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8270 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8271 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8272 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8273 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8274 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8275 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8276 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8277 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8278
8279 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8280 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8281 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8282 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8283 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8284 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8285 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8286 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8287 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8288 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8289 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8290 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8291 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8292 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 8293
8294 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8295 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8296 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 8297}
8298
8299static void tg3_timer(unsigned long __opaque)
8300{
8301 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 8302
f475f163
MC		 8303 if (tp->irq_sync)
8304 goto restart_timer;
8305
f47c11ee 8306 spin_lock(&tp->lock);
1da177e4 8307
fac9b83e
DM		 8308 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8309 /* All of this garbage is because when using non-tagged
8310 * IRQ status the mailbox/status_block protocol the chip
8311 * uses with the cpu is race prone.
8312 */
898a56f8 8313 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
fac9b83e
DM		 8314 tw32(GRC_LOCAL_CTRL,
8315 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8316 } else {
8317 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 8318 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
fac9b83e 8319 }
1da177e4 8320
fac9b83e
DM		 8321 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8322 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 8323 spin_unlock(&tp->lock);
fac9b83e
DM		 8324 schedule_work(&tp->reset_task);
8325 return;
8326 }
1da177e4
LT		 8327 }
8328
1da177e4
LT		 8329 /* This part only runs once per second. */
8330 if (!--tp->timer_counter) {
fac9b83e
DM		 8331 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8332 tg3_periodic_fetch_stats(tp);
8333
1da177e4
LT		 8334 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8335 u32 mac_stat;
8336 int phy_event;
8337
8338 mac_stat = tr32(MAC_STATUS);
8339
8340 phy_event = 0;
8341 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8342 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8343 phy_event = 1;
8344 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8345 phy_event = 1;
8346
8347 if (phy_event)
8348 tg3_setup_phy(tp, 0);
8349 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8350 u32 mac_stat = tr32(MAC_STATUS);
8351 int need_setup = 0;
8352
8353 if (netif_carrier_ok(tp->dev) &&
8354 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8355 need_setup = 1;
8356 }
8357 if (! netif_carrier_ok(tp->dev) &&
8358 (mac_stat & (MAC_STATUS_PCS_SYNCED |
8359 MAC_STATUS_SIGNAL_DET))) {
8360 need_setup = 1;
8361 }
8362 if (need_setup) {
3d3ebe74
MC		 8363 if (!tp->serdes_counter) {
8364 tw32_f(MAC_MODE,
8365 (tp->mac_mode &
8366 ~MAC_MODE_PORT_MODE_MASK));
8367 udelay(40);
8368 tw32_f(MAC_MODE, tp->mac_mode);
8369 udelay(40);
8370 }
1da177e4
LT		 8371 tg3_setup_phy(tp, 0);
8372 }
747e8f8b
MC		 8373 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8374 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 8375
8376 tp->timer_counter = tp->timer_multiplier;
8377 }
8378
130b8e4d
MC		 8379 /* Heartbeat is only sent once every 2 seconds.
8380 *
8381 * The heartbeat is to tell the ASF firmware that the host
8382 * driver is still alive. In the event that the OS crashes,
8383 * ASF needs to reset the hardware to free up the FIFO space
8384 * that may be filled with rx packets destined for the host.
8385 * If the FIFO is full, ASF will no longer function properly.
8386 *
8387 * Unintended resets have been reported on real time kernels
8388 * where the timer doesn't run on time. Netpoll will also have
8389 * same problem.
8390 *
8391 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8392 * to check the ring condition when the heartbeat is expiring
8393 * before doing the reset. This will prevent most unintended
8394 * resets.
8395 */
1da177e4 8396 if (!--tp->asf_counter) {
bc7959b2
MC		 8397 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8398 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7c5026aa
MC		 8399 tg3_wait_for_event_ack(tp);
8400
bbadf503 8401 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 8402 FWCMD_NICDRV_ALIVE3);
bbadf503 8403 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 8404 /* 5 seconds timeout */
bbadf503 8405 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
4ba526ce
MC		 8406
8407 tg3_generate_fw_event(tp);
1da177e4
LT		 8408 }
8409 tp->asf_counter = tp->asf_multiplier;
8410 }
8411
f47c11ee 8412 spin_unlock(&tp->lock);
1da177e4 8413
f475f163 8414restart_timer:
1da177e4
LT		 8415 tp->timer.expires = jiffies + tp->timer_offset;
8416 add_timer(&tp->timer);
8417}
8418
4f125f42 8419static int tg3_request_irq(struct tg3 *tp, int irq_num)
fcfa0a32 8420{
7d12e780 8421 irq_handler_t fn;
fcfa0a32 8422 unsigned long flags;
4f125f42
MC		 8423 char *name;
8424 struct tg3_napi *tnapi = &tp->napi[irq_num];
8425
8426 if (tp->irq_cnt == 1)
8427 name = tp->dev->name;
8428 else {
8429 name = &tnapi->irq_lbl[0];
8430 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8431 name[IFNAMSIZ-1] = 0;
8432 }
fcfa0a32 8433
679563f4 8434 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
fcfa0a32
MC		 8435 fn = tg3_msi;
8436 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8437 fn = tg3_msi_1shot;
1fb9df5d 8438 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 8439 } else {
8440 fn = tg3_interrupt;
8441 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8442 fn = tg3_interrupt_tagged;
1fb9df5d 8443 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32 8444 }
4f125f42
MC		 8445
8446 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
fcfa0a32
MC		 8447}
8448
7938109f
MC		 8449static int tg3_test_interrupt(struct tg3 *tp)
8450{
09943a18 8451 struct tg3_napi *tnapi = &tp->napi[0];
7938109f 8452 struct net_device *dev = tp->dev;
b16250e3 8453 int err, i, intr_ok = 0;
f6eb9b1f 8454 u32 val;
7938109f 8455
d4bc3927
MC		 8456 if (!netif_running(dev))
8457 return -ENODEV;
8458
7938109f
MC		 8459 tg3_disable_ints(tp);
8460
4f125f42 8461 free_irq(tnapi->irq_vec, tnapi);
7938109f 8462
f6eb9b1f
MC		 8463 /*
8464 * Turn off MSI one shot mode. Otherwise this test has no
8465 * observable way to know whether the interrupt was delivered.
8466 */
8467 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8468 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8469 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8470 tw32(MSGINT_MODE, val);
8471 }
8472
4f125f42 8473 err = request_irq(tnapi->irq_vec, tg3_test_isr,
09943a18 8474 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
7938109f
MC		 8475 if (err)
8476 return err;
8477
898a56f8 8478 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 8479 tg3_enable_ints(tp);
8480
8481 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 8482 tnapi->coal_now);
7938109f
MC		 8483
8484 for (i = 0; i < 5; i++) {
b16250e3
MC		 8485 u32 int_mbox, misc_host_ctrl;
8486
898a56f8 8487 int_mbox = tr32_mailbox(tnapi->int_mbox);
b16250e3
MC		 8488 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8489
8490 if ((int_mbox != 0) ||
8491 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8492 intr_ok = 1;
7938109f 8493 break;
b16250e3
MC		 8494 }
8495
7938109f
MC		 8496 msleep(10);
8497 }
8498
8499 tg3_disable_ints(tp);
8500
4f125f42 8501 free_irq(tnapi->irq_vec, tnapi);
6aa20a22 8502
4f125f42 8503 err = tg3_request_irq(tp, 0);
7938109f
MC		 8504
8505 if (err)
8506 return err;
8507
f6eb9b1f
MC		 8508 if (intr_ok) {
8509 /* Reenable MSI one shot mode. */
8510 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8511 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8512 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8513 tw32(MSGINT_MODE, val);
8514 }
7938109f 8515 return 0;
f6eb9b1f 8516 }
7938109f
MC		 8517
8518 return -EIO;
8519}
8520
8521/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8522 * successfully restored
8523 */
8524static int tg3_test_msi(struct tg3 *tp)
8525{
7938109f
MC		 8526 int err;
8527 u16 pci_cmd;
8528
8529 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8530 return 0;
8531
8532 /* Turn off SERR reporting in case MSI terminates with Master
8533 * Abort.
8534 */
8535 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8536 pci_write_config_word(tp->pdev, PCI_COMMAND,
8537 pci_cmd & ~PCI_COMMAND_SERR);
8538
8539 err = tg3_test_interrupt(tp);
8540
8541 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8542
8543 if (!err)
8544 return 0;
8545
8546 /* other failures */
8547 if (err != -EIO)
8548 return err;
8549
8550 /* MSI test failed, go back to INTx mode */
8551 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
8552 "switching to INTx mode. Please report this failure to "
8553 "the PCI maintainer and include system chipset information.\n",
8554 tp->dev->name);
8555
4f125f42 8556 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
09943a18 8557
7938109f
MC		 8558 pci_disable_msi(tp->pdev);
8559
8560 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8561
4f125f42 8562 err = tg3_request_irq(tp, 0);
7938109f
MC		 8563 if (err)
8564 return err;
8565
8566 /* Need to reset the chip because the MSI cycle may have terminated
8567 * with Master Abort.
8568 */
f47c11ee 8569 tg3_full_lock(tp, 1);
7938109f 8570
944d980e 8571 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 8572 err = tg3_init_hw(tp, 1);
7938109f 8573
f47c11ee 8574 tg3_full_unlock(tp);
7938109f
MC		 8575
8576 if (err)
4f125f42 8577 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
7938109f
MC		 8578
8579 return err;
8580}
8581
9e9fd12d
MC		 8582static int tg3_request_firmware(struct tg3 *tp)
8583{
8584 const __be32 *fw_data;
8585
8586 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8587 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
8588 tp->dev->name, tp->fw_needed);
8589 return -ENOENT;
8590 }
8591
8592 fw_data = (void *)tp->fw->data;
8593
8594 /* Firmware blob starts with version numbers, followed by
8595 * start address and _full_ length including BSS sections
8596 * (which must be longer than the actual data, of course
8597 */
8598
8599 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
8600 if (tp->fw_len < (tp->fw->size - 12)) {
8601 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
8602 tp->dev->name, tp->fw_len, tp->fw_needed);
8603 release_firmware(tp->fw);
8604 tp->fw = NULL;
8605 return -EINVAL;
8606 }
8607
8608 /* We no longer need firmware; we have it. */
8609 tp->fw_needed = NULL;
8610 return 0;
8611}
8612
679563f4
MC		 8613static bool tg3_enable_msix(struct tg3 *tp)
8614{
8615 int i, rc, cpus = num_online_cpus();
8616 struct msix_entry msix_ent[tp->irq_max];
8617
8618 if (cpus == 1)
8619 /* Just fallback to the simpler MSI mode. */
8620 return false;
8621
8622 /*
8623 * We want as many rx rings enabled as there are cpus.
8624 * The first MSIX vector only deals with link interrupts, etc,
8625 * so we add one to the number of vectors we are requesting.
8626 */
8627 tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8628
8629 for (i = 0; i < tp->irq_max; i++) {
8630 msix_ent[i].entry = i;
8631 msix_ent[i].vector = 0;
8632 }
8633
8634 rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8635 if (rc != 0) {
8636 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8637 return false;
8638 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8639 return false;
8640 printk(KERN_NOTICE
8641 "%s: Requested %d MSI-X vectors, received %d\n",
8642 tp->dev->name, tp->irq_cnt, rc);
8643 tp->irq_cnt = rc;
8644 }
8645
baf8a94a
MC		 8646 tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8647
679563f4
MC		 8648 for (i = 0; i < tp->irq_max; i++)
8649 tp->napi[i].irq_vec = msix_ent[i].vector;
8650
19cfaecc
MC		 8651 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8652 tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
8653 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8654 } else
8655 tp->dev->real_num_tx_queues = 1;
fe5f5787 8656
679563f4
MC		 8657 return true;
8658}
8659
07b0173c
MC		 8660static void tg3_ints_init(struct tg3 *tp)
8661{
679563f4
MC		 8662 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8663 !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
07b0173c
MC		 8664 /* All MSI supporting chips should support tagged
8665 * status. Assert that this is the case.
8666 */
679563f4
MC		 8667 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
8668 "Not using MSI.\n", tp->dev->name);
8669 goto defcfg;
07b0173c 8670 }
4f125f42 8671
679563f4
MC		 8672 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8673 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8674 else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8675 pci_enable_msi(tp->pdev) == 0)
8676 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8677
8678 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8679 u32 msi_mode = tr32(MSGINT_MODE);
baf8a94a
MC		 8680 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8681 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
679563f4
MC		 8682 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8683 }
8684defcfg:
8685 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8686 tp->irq_cnt = 1;
8687 tp->napi[0].irq_vec = tp->pdev->irq;
fe5f5787 8688 tp->dev->real_num_tx_queues = 1;
679563f4 8689 }
07b0173c
MC		 8690}
8691
8692static void tg3_ints_fini(struct tg3 *tp)
8693{
679563f4
MC		 8694 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8695 pci_disable_msix(tp->pdev);
8696 else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8697 pci_disable_msi(tp->pdev);
8698 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
baf8a94a 8699 tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
07b0173c
MC		 8700}
8701
1da177e4
LT		 8702static int tg3_open(struct net_device *dev)
8703{
8704 struct tg3 *tp = netdev_priv(dev);
4f125f42 8705 int i, err;
1da177e4 8706
9e9fd12d
MC		 8707 if (tp->fw_needed) {
8708 err = tg3_request_firmware(tp);
8709 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8710 if (err)
8711 return err;
8712 } else if (err) {
8713 printk(KERN_WARNING "%s: TSO capability disabled.\n",
8714 tp->dev->name);
8715 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8716 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8717 printk(KERN_NOTICE "%s: TSO capability restored.\n",
8718 tp->dev->name);
8719 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8720 }
8721 }
8722
c49a1561
MC		 8723 netif_carrier_off(tp->dev);
8724
bc1c7567 8725 err = tg3_set_power_state(tp, PCI_D0);
2f751b67 8726 if (err)
bc1c7567 8727 return err;
2f751b67
MC		 8728
8729 tg3_full_lock(tp, 0);
bc1c7567 8730
1da177e4
LT		 8731 tg3_disable_ints(tp);
8732 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8733
f47c11ee 8734 tg3_full_unlock(tp);
1da177e4 8735
679563f4
MC		 8736 /*
8737 * Setup interrupts first so we know how
8738 * many NAPI resources to allocate
8739 */
8740 tg3_ints_init(tp);
8741
1da177e4
LT		 8742 /* The placement of this call is tied
8743 * to the setup and use of Host TX descriptors.
8744 */
8745 err = tg3_alloc_consistent(tp);
8746 if (err)
679563f4 8747 goto err_out1;
88b06bc2 8748
fed97810 8749 tg3_napi_enable(tp);
1da177e4 8750
4f125f42
MC		 8751 for (i = 0; i < tp->irq_cnt; i++) {
8752 struct tg3_napi *tnapi = &tp->napi[i];
8753 err = tg3_request_irq(tp, i);
8754 if (err) {
8755 for (i--; i >= 0; i--)
8756 free_irq(tnapi->irq_vec, tnapi);
8757 break;
8758 }
8759 }
1da177e4 8760
07b0173c 8761 if (err)
679563f4 8762 goto err_out2;
bea3348e 8763
f47c11ee 8764 tg3_full_lock(tp, 0);
1da177e4 8765
8e7a22e3 8766 err = tg3_init_hw(tp, 1);
1da177e4 8767 if (err) {
944d980e 8768 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 8769 tg3_free_rings(tp);
8770 } else {
fac9b83e
DM		 8771 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8772 tp->timer_offset = HZ;
8773 else
8774 tp->timer_offset = HZ / 10;
8775
8776 BUG_ON(tp->timer_offset > HZ);
8777 tp->timer_counter = tp->timer_multiplier =
8778 (HZ / tp->timer_offset);
8779 tp->asf_counter = tp->asf_multiplier =
28fbef78 8780 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 8781
8782 init_timer(&tp->timer);
8783 tp->timer.expires = jiffies + tp->timer_offset;
8784 tp->timer.data = (unsigned long) tp;
8785 tp->timer.function = tg3_timer;
1da177e4
LT		 8786 }
8787
f47c11ee 8788 tg3_full_unlock(tp);
1da177e4 8789
07b0173c 8790 if (err)
679563f4 8791 goto err_out3;
1da177e4 8792
7938109f
MC		 8793 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8794 err = tg3_test_msi(tp);
fac9b83e 8795
7938109f 8796 if (err) {
f47c11ee 8797 tg3_full_lock(tp, 0);
944d980e 8798 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f 8799 tg3_free_rings(tp);
f47c11ee 8800 tg3_full_unlock(tp);
7938109f 8801
679563f4 8802 goto err_out2;
7938109f 8803 }
fcfa0a32 8804
f6eb9b1f
MC		 8805 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8806 (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8807 (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8808 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 8809
f6eb9b1f
MC		 8810 tw32(PCIE_TRANSACTION_CFG,
8811 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32 8812 }
7938109f
MC		 8813 }
8814
b02fd9e3
MC		 8815 tg3_phy_start(tp);
8816
f47c11ee 8817 tg3_full_lock(tp, 0);
1da177e4 8818
7938109f
MC		 8819 add_timer(&tp->timer);
8820 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 8821 tg3_enable_ints(tp);
8822
f47c11ee 8823 tg3_full_unlock(tp);
1da177e4 8824
fe5f5787 8825 netif_tx_start_all_queues(dev);
1da177e4
LT		 8826
8827 return 0;
07b0173c 8828
679563f4 8829err_out3:
4f125f42
MC		 8830 for (i = tp->irq_cnt - 1; i >= 0; i--) {
8831 struct tg3_napi *tnapi = &tp->napi[i];
8832 free_irq(tnapi->irq_vec, tnapi);
8833 }
07b0173c 8834
679563f4 8835err_out2:
fed97810 8836 tg3_napi_disable(tp);
07b0173c 8837 tg3_free_consistent(tp);
679563f4
MC		 8838
8839err_out1:
8840 tg3_ints_fini(tp);
07b0173c 8841 return err;
1da177e4
LT		 8842}
8843
8844#if 0
8845/*static*/ void tg3_dump_state(struct tg3 *tp)
8846{
8847 u32 val32, val32_2, val32_3, val32_4, val32_5;
8848 u16 val16;
8849 int i;
898a56f8 8850 struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
1da177e4
LT		 8851
8852 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8853 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8854 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8855 val16, val32);
8856
8857 /* MAC block */
8858 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8859 tr32(MAC_MODE), tr32(MAC_STATUS));
8860 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8861 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8862 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8863 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8864 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8865 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8866
8867 /* Send data initiator control block */
8868 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8869 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8870 printk(" SNDDATAI_STATSCTRL[%08x]\n",
8871 tr32(SNDDATAI_STATSCTRL));
8872
8873 /* Send data completion control block */
8874 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8875
8876 /* Send BD ring selector block */
8877 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8878 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8879
8880 /* Send BD initiator control block */
8881 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8882 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8883
8884 /* Send BD completion control block */
8885 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8886
8887 /* Receive list placement control block */
8888 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8889 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8890 printk(" RCVLPC_STATSCTRL[%08x]\n",
8891 tr32(RCVLPC_STATSCTRL));
8892
8893 /* Receive data and receive BD initiator control block */
8894 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8895 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8896
8897 /* Receive data completion control block */
8898 printk("DEBUG: RCVDCC_MODE[%08x]\n",
8899 tr32(RCVDCC_MODE));
8900
8901 /* Receive BD initiator control block */
8902 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
8903 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
8904
8905 /* Receive BD completion control block */
8906 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
8907 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
8908
8909 /* Receive list selector control block */
8910 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
8911 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
8912
8913 /* Mbuf cluster free block */
8914 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
8915 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
8916
8917 /* Host coalescing control block */
8918 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
8919 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
8920 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
8921 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8922 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8923 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
8924 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8925 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8926 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
8927 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
8928 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
8929 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
8930
8931 /* Memory arbiter control block */
8932 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
8933 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
8934
8935 /* Buffer manager control block */
8936 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
8937 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
8938 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
8939 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
8940 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
8941 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
8942 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
8943 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
8944
8945 /* Read DMA control block */
8946 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
8947 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
8948
8949 /* Write DMA control block */
8950 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
8951 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
8952
8953 /* DMA completion block */
8954 printk("DEBUG: DMAC_MODE[%08x]\n",
8955 tr32(DMAC_MODE));
8956
8957 /* GRC block */
8958 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
8959 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
8960 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
8961 tr32(GRC_LOCAL_CTRL));
8962
8963 /* TG3_BDINFOs */
8964 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
8965 tr32(RCVDBDI_JUMBO_BD + 0x0),
8966 tr32(RCVDBDI_JUMBO_BD + 0x4),
8967 tr32(RCVDBDI_JUMBO_BD + 0x8),
8968 tr32(RCVDBDI_JUMBO_BD + 0xc));
8969 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
8970 tr32(RCVDBDI_STD_BD + 0x0),
8971 tr32(RCVDBDI_STD_BD + 0x4),
8972 tr32(RCVDBDI_STD_BD + 0x8),
8973 tr32(RCVDBDI_STD_BD + 0xc));
8974 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
8975 tr32(RCVDBDI_MINI_BD + 0x0),
8976 tr32(RCVDBDI_MINI_BD + 0x4),
8977 tr32(RCVDBDI_MINI_BD + 0x8),
8978 tr32(RCVDBDI_MINI_BD + 0xc));
8979
8980 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8981 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8982 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8983 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8984 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8985 val32, val32_2, val32_3, val32_4);
8986
8987 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8988 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8989 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8990 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8991 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8992 val32, val32_2, val32_3, val32_4);
8993
8994 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8995 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8996 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8997 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8998 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8999 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
9000 val32, val32_2, val32_3, val32_4, val32_5);
9001
9002 /* SW status block */
898a56f8
MC		 9003 printk(KERN_DEBUG
9004 "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
9005 sblk->status,
9006 sblk->status_tag,
9007 sblk->rx_jumbo_consumer,
9008 sblk->rx_consumer,
9009 sblk->rx_mini_consumer,
9010 sblk->idx[0].rx_producer,
9011 sblk->idx[0].tx_consumer);
1da177e4
LT		 9012
9013 /* SW statistics block */
9014 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
9015 ((u32 *)tp->hw_stats)[0],
9016 ((u32 *)tp->hw_stats)[1],
9017 ((u32 *)tp->hw_stats)[2],
9018 ((u32 *)tp->hw_stats)[3]);
9019
9020 /* Mailboxes */
9021 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 9022 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
9023 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
9024 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
9025 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 9026
9027 /* NIC side send descriptors. */
9028 for (i = 0; i < 6; i++) {
9029 unsigned long txd;
9030
9031 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
9032 + (i * sizeof(struct tg3_tx_buffer_desc));
9033 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
9034 i,
9035 readl(txd + 0x0), readl(txd + 0x4),
9036 readl(txd + 0x8), readl(txd + 0xc));
9037 }
9038
9039 /* NIC side RX descriptors. */
9040 for (i = 0; i < 6; i++) {
9041 unsigned long rxd;
9042
9043 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
9044 + (i * sizeof(struct tg3_rx_buffer_desc));
9045 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
9046 i,
9047 readl(rxd + 0x0), readl(rxd + 0x4),
9048 readl(rxd + 0x8), readl(rxd + 0xc));
9049 rxd += (4 * sizeof(u32));
9050 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
9051 i,
9052 readl(rxd + 0x0), readl(rxd + 0x4),
9053 readl(rxd + 0x8), readl(rxd + 0xc));
9054 }
9055
9056 for (i = 0; i < 6; i++) {
9057 unsigned long rxd;
9058
9059 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
9060 + (i * sizeof(struct tg3_rx_buffer_desc));
9061 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
9062 i,
9063 readl(rxd + 0x0), readl(rxd + 0x4),
9064 readl(rxd + 0x8), readl(rxd + 0xc));
9065 rxd += (4 * sizeof(u32));
9066 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
9067 i,
9068 readl(rxd + 0x0), readl(rxd + 0x4),
9069 readl(rxd + 0x8), readl(rxd + 0xc));
9070 }
9071}
9072#endif
9073
9074static struct net_device_stats *tg3_get_stats(struct net_device *);
9075static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9076
9077static int tg3_close(struct net_device *dev)
9078{
4f125f42 9079 int i;
1da177e4
LT		 9080 struct tg3 *tp = netdev_priv(dev);
9081
fed97810 9082 tg3_napi_disable(tp);
28e53bdd 9083 cancel_work_sync(&tp->reset_task);
7faa006f 9084
fe5f5787 9085 netif_tx_stop_all_queues(dev);
1da177e4
LT		 9086
9087 del_timer_sync(&tp->timer);
9088
24bb4fb6
MC		 9089 tg3_phy_stop(tp);
9090
f47c11ee 9091 tg3_full_lock(tp, 1);
1da177e4
LT		 9092#if 0
9093 tg3_dump_state(tp);
9094#endif
9095
9096 tg3_disable_ints(tp);
9097
944d980e 9098 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4 9099 tg3_free_rings(tp);
5cf64b8a 9100 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
1da177e4 9101
f47c11ee 9102 tg3_full_unlock(tp);
1da177e4 9103
4f125f42
MC		 9104 for (i = tp->irq_cnt - 1; i >= 0; i--) {
9105 struct tg3_napi *tnapi = &tp->napi[i];
9106 free_irq(tnapi->irq_vec, tnapi);
9107 }
07b0173c
MC		 9108
9109 tg3_ints_fini(tp);
1da177e4
LT		 9110
9111 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
9112 sizeof(tp->net_stats_prev));
9113 memcpy(&tp->estats_prev, tg3_get_estats(tp),
9114 sizeof(tp->estats_prev));
9115
9116 tg3_free_consistent(tp);
9117
bc1c7567
MC		 9118 tg3_set_power_state(tp, PCI_D3hot);
9119
9120 netif_carrier_off(tp->dev);
9121
1da177e4
LT		 9122 return 0;
9123}
9124
9125static inline unsigned long get_stat64(tg3_stat64_t *val)
9126{
9127 unsigned long ret;
9128
9129#if (BITS_PER_LONG == 32)
9130 ret = val->low;
9131#else
9132 ret = ((u64)val->high << 32) | ((u64)val->low);
9133#endif
9134 return ret;
9135}
9136
816f8b86
SB		 9137static inline u64 get_estat64(tg3_stat64_t *val)
9138{
9139 return ((u64)val->high << 32) | ((u64)val->low);
9140}
9141
1da177e4
LT		 9142static unsigned long calc_crc_errors(struct tg3 *tp)
9143{
9144 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9145
9146 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9147 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9148 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 9149 u32 val;
9150
f47c11ee 9151 spin_lock_bh(&tp->lock);
569a5df8
MC		 9152 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9153 tg3_writephy(tp, MII_TG3_TEST1,
9154 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 9155 tg3_readphy(tp, 0x14, &val);
9156 } else
9157 val = 0;
f47c11ee 9158 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9159
9160 tp->phy_crc_errors += val;
9161
9162 return tp->phy_crc_errors;
9163 }
9164
9165 return get_stat64(&hw_stats->rx_fcs_errors);
9166}
9167
9168#define ESTAT_ADD(member) \
9169 estats->member = old_estats->member + \
816f8b86 9170 get_estat64(&hw_stats->member)
1da177e4
LT		 9171
9172static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9173{
9174 struct tg3_ethtool_stats *estats = &tp->estats;
9175 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9176 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9177
9178 if (!hw_stats)
9179 return old_estats;
9180
9181 ESTAT_ADD(rx_octets);
9182 ESTAT_ADD(rx_fragments);
9183 ESTAT_ADD(rx_ucast_packets);
9184 ESTAT_ADD(rx_mcast_packets);
9185 ESTAT_ADD(rx_bcast_packets);
9186 ESTAT_ADD(rx_fcs_errors);
9187 ESTAT_ADD(rx_align_errors);
9188 ESTAT_ADD(rx_xon_pause_rcvd);
9189 ESTAT_ADD(rx_xoff_pause_rcvd);
9190 ESTAT_ADD(rx_mac_ctrl_rcvd);
9191 ESTAT_ADD(rx_xoff_entered);
9192 ESTAT_ADD(rx_frame_too_long_errors);
9193 ESTAT_ADD(rx_jabbers);
9194 ESTAT_ADD(rx_undersize_packets);
9195 ESTAT_ADD(rx_in_length_errors);
9196 ESTAT_ADD(rx_out_length_errors);
9197 ESTAT_ADD(rx_64_or_less_octet_packets);
9198 ESTAT_ADD(rx_65_to_127_octet_packets);
9199 ESTAT_ADD(rx_128_to_255_octet_packets);
9200 ESTAT_ADD(rx_256_to_511_octet_packets);
9201 ESTAT_ADD(rx_512_to_1023_octet_packets);
9202 ESTAT_ADD(rx_1024_to_1522_octet_packets);
9203 ESTAT_ADD(rx_1523_to_2047_octet_packets);
9204 ESTAT_ADD(rx_2048_to_4095_octet_packets);
9205 ESTAT_ADD(rx_4096_to_8191_octet_packets);
9206 ESTAT_ADD(rx_8192_to_9022_octet_packets);
9207
9208 ESTAT_ADD(tx_octets);
9209 ESTAT_ADD(tx_collisions);
9210 ESTAT_ADD(tx_xon_sent);
9211 ESTAT_ADD(tx_xoff_sent);
9212 ESTAT_ADD(tx_flow_control);
9213 ESTAT_ADD(tx_mac_errors);
9214 ESTAT_ADD(tx_single_collisions);
9215 ESTAT_ADD(tx_mult_collisions);
9216 ESTAT_ADD(tx_deferred);
9217 ESTAT_ADD(tx_excessive_collisions);
9218 ESTAT_ADD(tx_late_collisions);
9219 ESTAT_ADD(tx_collide_2times);
9220 ESTAT_ADD(tx_collide_3times);
9221 ESTAT_ADD(tx_collide_4times);
9222 ESTAT_ADD(tx_collide_5times);
9223 ESTAT_ADD(tx_collide_6times);
9224 ESTAT_ADD(tx_collide_7times);
9225 ESTAT_ADD(tx_collide_8times);
9226 ESTAT_ADD(tx_collide_9times);
9227 ESTAT_ADD(tx_collide_10times);
9228 ESTAT_ADD(tx_collide_11times);
9229 ESTAT_ADD(tx_collide_12times);
9230 ESTAT_ADD(tx_collide_13times);
9231 ESTAT_ADD(tx_collide_14times);
9232 ESTAT_ADD(tx_collide_15times);
9233 ESTAT_ADD(tx_ucast_packets);
9234 ESTAT_ADD(tx_mcast_packets);
9235 ESTAT_ADD(tx_bcast_packets);
9236 ESTAT_ADD(tx_carrier_sense_errors);
9237 ESTAT_ADD(tx_discards);
9238 ESTAT_ADD(tx_errors);
9239
9240 ESTAT_ADD(dma_writeq_full);
9241 ESTAT_ADD(dma_write_prioq_full);
9242 ESTAT_ADD(rxbds_empty);
9243 ESTAT_ADD(rx_discards);
9244 ESTAT_ADD(rx_errors);
9245 ESTAT_ADD(rx_threshold_hit);
9246
9247 ESTAT_ADD(dma_readq_full);
9248 ESTAT_ADD(dma_read_prioq_full);
9249 ESTAT_ADD(tx_comp_queue_full);
9250
9251 ESTAT_ADD(ring_set_send_prod_index);
9252 ESTAT_ADD(ring_status_update);
9253 ESTAT_ADD(nic_irqs);
9254 ESTAT_ADD(nic_avoided_irqs);
9255 ESTAT_ADD(nic_tx_threshold_hit);
9256
9257 return estats;
9258}
9259
9260static struct net_device_stats *tg3_get_stats(struct net_device *dev)
9261{
9262 struct tg3 *tp = netdev_priv(dev);
9263 struct net_device_stats *stats = &tp->net_stats;
9264 struct net_device_stats *old_stats = &tp->net_stats_prev;
9265 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9266
9267 if (!hw_stats)
9268 return old_stats;
9269
9270 stats->rx_packets = old_stats->rx_packets +
9271 get_stat64(&hw_stats->rx_ucast_packets) +
9272 get_stat64(&hw_stats->rx_mcast_packets) +
9273 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 9274
1da177e4
LT		 9275 stats->tx_packets = old_stats->tx_packets +
9276 get_stat64(&hw_stats->tx_ucast_packets) +
9277 get_stat64(&hw_stats->tx_mcast_packets) +
9278 get_stat64(&hw_stats->tx_bcast_packets);
9279
9280 stats->rx_bytes = old_stats->rx_bytes +
9281 get_stat64(&hw_stats->rx_octets);
9282 stats->tx_bytes = old_stats->tx_bytes +
9283 get_stat64(&hw_stats->tx_octets);
9284
9285 stats->rx_errors = old_stats->rx_errors +
4f63b877 9286 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 9287 stats->tx_errors = old_stats->tx_errors +
9288 get_stat64(&hw_stats->tx_errors) +
9289 get_stat64(&hw_stats->tx_mac_errors) +
9290 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9291 get_stat64(&hw_stats->tx_discards);
9292
9293 stats->multicast = old_stats->multicast +
9294 get_stat64(&hw_stats->rx_mcast_packets);
9295 stats->collisions = old_stats->collisions +
9296 get_stat64(&hw_stats->tx_collisions);
9297
9298 stats->rx_length_errors = old_stats->rx_length_errors +
9299 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9300 get_stat64(&hw_stats->rx_undersize_packets);
9301
9302 stats->rx_over_errors = old_stats->rx_over_errors +
9303 get_stat64(&hw_stats->rxbds_empty);
9304 stats->rx_frame_errors = old_stats->rx_frame_errors +
9305 get_stat64(&hw_stats->rx_align_errors);
9306 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9307 get_stat64(&hw_stats->tx_discards);
9308 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9309 get_stat64(&hw_stats->tx_carrier_sense_errors);
9310
9311 stats->rx_crc_errors = old_stats->rx_crc_errors +
9312 calc_crc_errors(tp);
9313
4f63b877
JL		 9314 stats->rx_missed_errors = old_stats->rx_missed_errors +
9315 get_stat64(&hw_stats->rx_discards);
9316
1da177e4
LT		 9317 return stats;
9318}
9319
9320static inline u32 calc_crc(unsigned char *buf, int len)
9321{
9322 u32 reg;
9323 u32 tmp;
9324 int j, k;
9325
9326 reg = 0xffffffff;
9327
9328 for (j = 0; j < len; j++) {
9329 reg ^= buf[j];
9330
9331 for (k = 0; k < 8; k++) {
9332 tmp = reg & 0x01;
9333
9334 reg >>= 1;
9335
9336 if (tmp) {
9337 reg ^= 0xedb88320;
9338 }
9339 }
9340 }
9341
9342 return ~reg;
9343}
9344
9345static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9346{
9347 /* accept or reject all multicast frames */
9348 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9349 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9350 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9351 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9352}
9353
9354static void __tg3_set_rx_mode(struct net_device *dev)
9355{
9356 struct tg3 *tp = netdev_priv(dev);
9357 u32 rx_mode;
9358
9359 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9360 RX_MODE_KEEP_VLAN_TAG);
9361
9362 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9363 * flag clear.
9364 */
9365#if TG3_VLAN_TAG_USED
9366 if (!tp->vlgrp &&
9367 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9368 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9369#else
9370 /* By definition, VLAN is disabled always in this
9371 * case.
9372 */
9373 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9374 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9375#endif
9376
9377 if (dev->flags & IFF_PROMISC) {
9378 /* Promiscuous mode. */
9379 rx_mode |= RX_MODE_PROMISC;
9380 } else if (dev->flags & IFF_ALLMULTI) {
9381 /* Accept all multicast. */
9382 tg3_set_multi (tp, 1);
9383 } else if (dev->mc_count < 1) {
9384 /* Reject all multicast. */
9385 tg3_set_multi (tp, 0);
9386 } else {
9387 /* Accept one or more multicast(s). */
9388 struct dev_mc_list *mclist;
9389 unsigned int i;
9390 u32 mc_filter[4] = { 0, };
9391 u32 regidx;
9392 u32 bit;
9393 u32 crc;
9394
9395 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
9396 i++, mclist = mclist->next) {
9397
9398 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9399 bit = ~crc & 0x7f;
9400 regidx = (bit & 0x60) >> 5;
9401 bit &= 0x1f;
9402 mc_filter[regidx] |= (1 << bit);
9403 }
9404
9405 tw32(MAC_HASH_REG_0, mc_filter[0]);
9406 tw32(MAC_HASH_REG_1, mc_filter[1]);
9407 tw32(MAC_HASH_REG_2, mc_filter[2]);
9408 tw32(MAC_HASH_REG_3, mc_filter[3]);
9409 }
9410
9411 if (rx_mode != tp->rx_mode) {
9412 tp->rx_mode = rx_mode;
9413 tw32_f(MAC_RX_MODE, rx_mode);
9414 udelay(10);
9415 }
9416}
9417
9418static void tg3_set_rx_mode(struct net_device *dev)
9419{
9420 struct tg3 *tp = netdev_priv(dev);
9421
e75f7c90
MC		 9422 if (!netif_running(dev))
9423 return;
9424
f47c11ee 9425 tg3_full_lock(tp, 0);
1da177e4 9426 __tg3_set_rx_mode(dev);
f47c11ee 9427 tg3_full_unlock(tp);
1da177e4
LT		 9428}
9429
9430#define TG3_REGDUMP_LEN (32 * 1024)
9431
9432static int tg3_get_regs_len(struct net_device *dev)
9433{
9434 return TG3_REGDUMP_LEN;
9435}
9436
9437static void tg3_get_regs(struct net_device *dev,
9438 struct ethtool_regs *regs, void *_p)
9439{
9440 u32 *p = _p;
9441 struct tg3 *tp = netdev_priv(dev);
9442 u8 *orig_p = _p;
9443 int i;
9444
9445 regs->version = 0;
9446
9447 memset(p, 0, TG3_REGDUMP_LEN);
9448
bc1c7567
MC		 9449 if (tp->link_config.phy_is_low_power)
9450 return;
9451
f47c11ee 9452 tg3_full_lock(tp, 0);
1da177e4
LT		 9453
9454#define __GET_REG32(reg) (*(p)++ = tr32(reg))
9455#define GET_REG32_LOOP(base,len) \
9456do { p = (u32 *)(orig_p + (base)); \
9457 for (i = 0; i < len; i += 4) \
9458 __GET_REG32((base) + i); \
9459} while (0)
9460#define GET_REG32_1(reg) \
9461do { p = (u32 *)(orig_p + (reg)); \
9462 __GET_REG32((reg)); \
9463} while (0)
9464
9465 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9466 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9467 GET_REG32_LOOP(MAC_MODE, 0x4f0);
9468 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9469 GET_REG32_1(SNDDATAC_MODE);
9470 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9471 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9472 GET_REG32_1(SNDBDC_MODE);
9473 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9474 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9475 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9476 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9477 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9478 GET_REG32_1(RCVDCC_MODE);
9479 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9480 GET_REG32_LOOP(RCVCC_MODE, 0x14);
9481 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9482 GET_REG32_1(MBFREE_MODE);
9483 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9484 GET_REG32_LOOP(MEMARB_MODE, 0x10);
9485 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9486 GET_REG32_LOOP(RDMAC_MODE, 0x08);
9487 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 9488 GET_REG32_1(RX_CPU_MODE);
9489 GET_REG32_1(RX_CPU_STATE);
9490 GET_REG32_1(RX_CPU_PGMCTR);
9491 GET_REG32_1(RX_CPU_HWBKPT);
9492 GET_REG32_1(TX_CPU_MODE);
9493 GET_REG32_1(TX_CPU_STATE);
9494 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 9495 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9496 GET_REG32_LOOP(FTQ_RESET, 0x120);
9497 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9498 GET_REG32_1(DMAC_MODE);
9499 GET_REG32_LOOP(GRC_MODE, 0x4c);
9500 if (tp->tg3_flags & TG3_FLAG_NVRAM)
9501 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9502
9503#undef __GET_REG32
9504#undef GET_REG32_LOOP
9505#undef GET_REG32_1
9506
f47c11ee 9507 tg3_full_unlock(tp);
1da177e4
LT		 9508}
9509
9510static int tg3_get_eeprom_len(struct net_device *dev)
9511{
9512 struct tg3 *tp = netdev_priv(dev);
9513
9514 return tp->nvram_size;
9515}
9516
1da177e4
LT		 9517static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9518{
9519 struct tg3 *tp = netdev_priv(dev);
9520 int ret;
9521 u8 *pd;
b9fc7dc5 9522 u32 i, offset, len, b_offset, b_count;
a9dc529d 9523 __be32 val;
1da177e4 9524
df259d8c
MC		 9525 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9526 return -EINVAL;
9527
bc1c7567
MC		 9528 if (tp->link_config.phy_is_low_power)
9529 return -EAGAIN;
9530
1da177e4
LT		 9531 offset = eeprom->offset;
9532 len = eeprom->len;
9533 eeprom->len = 0;
9534
9535 eeprom->magic = TG3_EEPROM_MAGIC;
9536
9537 if (offset & 3) {
9538 /* adjustments to start on required 4 byte boundary */
9539 b_offset = offset & 3;
9540 b_count = 4 - b_offset;
9541 if (b_count > len) {
9542 /* i.e. offset=1 len=2 */
9543 b_count = len;
9544 }
a9dc529d 9545 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
1da177e4
LT		 9546 if (ret)
9547 return ret;
1da177e4
LT		 9548 memcpy(data, ((char*)&val) + b_offset, b_count);
9549 len -= b_count;
9550 offset += b_count;
9551 eeprom->len += b_count;
9552 }
9553
9554 /* read bytes upto the last 4 byte boundary */
9555 pd = &data[eeprom->len];
9556 for (i = 0; i < (len - (len & 3)); i += 4) {
a9dc529d 9557 ret = tg3_nvram_read_be32(tp, offset + i, &val);
1da177e4
LT		 9558 if (ret) {
9559 eeprom->len += i;
9560 return ret;
9561 }
1da177e4
LT		 9562 memcpy(pd + i, &val, 4);
9563 }
9564 eeprom->len += i;
9565
9566 if (len & 3) {
9567 /* read last bytes not ending on 4 byte boundary */
9568 pd = &data[eeprom->len];
9569 b_count = len & 3;
9570 b_offset = offset + len - b_count;
a9dc529d 9571 ret = tg3_nvram_read_be32(tp, b_offset, &val);
1da177e4
LT		 9572 if (ret)
9573 return ret;
b9fc7dc5 9574 memcpy(pd, &val, b_count);
1da177e4
LT		 9575 eeprom->len += b_count;
9576 }
9577 return 0;
9578}
9579
6aa20a22 9580static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 9581
9582static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9583{
9584 struct tg3 *tp = netdev_priv(dev);
9585 int ret;
b9fc7dc5 9586 u32 offset, len, b_offset, odd_len;
1da177e4 9587 u8 *buf;
a9dc529d 9588 __be32 start, end;
1da177e4 9589
bc1c7567
MC		 9590 if (tp->link_config.phy_is_low_power)
9591 return -EAGAIN;
9592
df259d8c
MC		 9593 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9594 eeprom->magic != TG3_EEPROM_MAGIC)
1da177e4
LT		 9595 return -EINVAL;
9596
9597 offset = eeprom->offset;
9598 len = eeprom->len;
9599
9600 if ((b_offset = (offset & 3))) {
9601 /* adjustments to start on required 4 byte boundary */
a9dc529d 9602 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
1da177e4
LT		 9603 if (ret)
9604 return ret;
1da177e4
LT		 9605 len += b_offset;
9606 offset &= ~3;
1c8594b4
MC		 9607 if (len < 4)
9608 len = 4;
1da177e4
LT		 9609 }
9610
9611 odd_len = 0;
1c8594b4 9612 if (len & 3) {
1da177e4
LT		 9613 /* adjustments to end on required 4 byte boundary */
9614 odd_len = 1;
9615 len = (len + 3) & ~3;
a9dc529d 9616 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
1da177e4
LT		 9617 if (ret)
9618 return ret;
1da177e4
LT		 9619 }
9620
9621 buf = data;
9622 if (b_offset || odd_len) {
9623 buf = kmalloc(len, GFP_KERNEL);
ab0049b4 9624 if (!buf)
1da177e4
LT		 9625 return -ENOMEM;
9626 if (b_offset)
9627 memcpy(buf, &start, 4);
9628 if (odd_len)
9629 memcpy(buf+len-4, &end, 4);
9630 memcpy(buf + b_offset, data, eeprom->len);
9631 }
9632
9633 ret = tg3_nvram_write_block(tp, offset, len, buf);
9634
9635 if (buf != data)
9636 kfree(buf);
9637
9638 return ret;
9639}
9640
9641static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9642{
b02fd9e3
MC		 9643 struct tg3 *tp = netdev_priv(dev);
9644
9645 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 9646 struct phy_device *phydev;
b02fd9e3
MC		 9647 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9648 return -EAGAIN;
3f0e3ad7
MC		 9649 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9650 return phy_ethtool_gset(phydev, cmd);
b02fd9e3 9651 }
6aa20a22 9652
1da177e4
LT		 9653 cmd->supported = (SUPPORTED_Autoneg);
9654
9655 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9656 cmd->supported |= (SUPPORTED_1000baseT_Half |
9657 SUPPORTED_1000baseT_Full);
9658
ef348144 9659 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 9660 cmd->supported |= (SUPPORTED_100baseT_Half |
9661 SUPPORTED_100baseT_Full |
9662 SUPPORTED_10baseT_Half |
9663 SUPPORTED_10baseT_Full |
3bebab59 9664 SUPPORTED_TP);
ef348144
KK		 9665 cmd->port = PORT_TP;
9666 } else {
1da177e4 9667 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 9668 cmd->port = PORT_FIBRE;
9669 }
6aa20a22 9670
1da177e4
LT		 9671 cmd->advertising = tp->link_config.advertising;
9672 if (netif_running(dev)) {
9673 cmd->speed = tp->link_config.active_speed;
9674 cmd->duplex = tp->link_config.active_duplex;
9675 }
882e9793 9676 cmd->phy_address = tp->phy_addr;
7e5856bd 9677 cmd->transceiver = XCVR_INTERNAL;
1da177e4
LT		 9678 cmd->autoneg = tp->link_config.autoneg;
9679 cmd->maxtxpkt = 0;
9680 cmd->maxrxpkt = 0;
9681 return 0;
9682}
6aa20a22 9683
1da177e4
LT		 9684static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9685{
9686 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9687
b02fd9e3 9688 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 9689 struct phy_device *phydev;
b02fd9e3
MC		 9690 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9691 return -EAGAIN;
3f0e3ad7
MC		 9692 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9693 return phy_ethtool_sset(phydev, cmd);
b02fd9e3
MC		 9694 }
9695
7e5856bd
MC		 9696 if (cmd->autoneg != AUTONEG_ENABLE &&
9697 cmd->autoneg != AUTONEG_DISABLE)
37ff238d 9698 return -EINVAL;
7e5856bd
MC		 9699
9700 if (cmd->autoneg == AUTONEG_DISABLE &&
9701 cmd->duplex != DUPLEX_FULL &&
9702 cmd->duplex != DUPLEX_HALF)
37ff238d 9703 return -EINVAL;
1da177e4 9704
7e5856bd
MC		 9705 if (cmd->autoneg == AUTONEG_ENABLE) {
9706 u32 mask = ADVERTISED_Autoneg |
9707 ADVERTISED_Pause |
9708 ADVERTISED_Asym_Pause;
9709
9710 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9711 mask |= ADVERTISED_1000baseT_Half |
9712 ADVERTISED_1000baseT_Full;
9713
9714 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9715 mask |= ADVERTISED_100baseT_Half |
9716 ADVERTISED_100baseT_Full |
9717 ADVERTISED_10baseT_Half |
9718 ADVERTISED_10baseT_Full |
9719 ADVERTISED_TP;
9720 else
9721 mask |= ADVERTISED_FIBRE;
9722
9723 if (cmd->advertising & ~mask)
9724 return -EINVAL;
9725
9726 mask &= (ADVERTISED_1000baseT_Half |
9727 ADVERTISED_1000baseT_Full |
9728 ADVERTISED_100baseT_Half |
9729 ADVERTISED_100baseT_Full |
9730 ADVERTISED_10baseT_Half |
9731 ADVERTISED_10baseT_Full);
9732
9733 cmd->advertising &= mask;
9734 } else {
9735 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9736 if (cmd->speed != SPEED_1000)
9737 return -EINVAL;
9738
9739 if (cmd->duplex != DUPLEX_FULL)
9740 return -EINVAL;
9741 } else {
9742 if (cmd->speed != SPEED_100 &&
9743 cmd->speed != SPEED_10)
9744 return -EINVAL;
9745 }
9746 }
9747
f47c11ee 9748 tg3_full_lock(tp, 0);
1da177e4
LT		 9749
9750 tp->link_config.autoneg = cmd->autoneg;
9751 if (cmd->autoneg == AUTONEG_ENABLE) {
405d8e5c
AG		 9752 tp->link_config.advertising = (cmd->advertising |
9753 ADVERTISED_Autoneg);
1da177e4
LT		 9754 tp->link_config.speed = SPEED_INVALID;
9755 tp->link_config.duplex = DUPLEX_INVALID;
9756 } else {
9757 tp->link_config.advertising = 0;
9758 tp->link_config.speed = cmd->speed;
9759 tp->link_config.duplex = cmd->duplex;
b02fd9e3 9760 }
6aa20a22 9761
24fcad6b
MC		 9762 tp->link_config.orig_speed = tp->link_config.speed;
9763 tp->link_config.orig_duplex = tp->link_config.duplex;
9764 tp->link_config.orig_autoneg = tp->link_config.autoneg;
9765
1da177e4
LT		 9766 if (netif_running(dev))
9767 tg3_setup_phy(tp, 1);
9768
f47c11ee 9769 tg3_full_unlock(tp);
6aa20a22 9770
1da177e4
LT		 9771 return 0;
9772}
6aa20a22 9773
1da177e4
LT		 9774static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9775{
9776 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9777
1da177e4
LT		 9778 strcpy(info->driver, DRV_MODULE_NAME);
9779 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 9780 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 9781 strcpy(info->bus_info, pci_name(tp->pdev));
9782}
6aa20a22 9783
1da177e4
LT		 9784static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9785{
9786 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9787
12dac075
RW		 9788 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9789 device_can_wakeup(&tp->pdev->dev))
a85feb8c
GZ		 9790 wol->supported = WAKE_MAGIC;
9791 else
9792 wol->supported = 0;
1da177e4 9793 wol->wolopts = 0;
05ac4cb7
MC		 9794 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9795 device_can_wakeup(&tp->pdev->dev))
1da177e4
LT		 9796 wol->wolopts = WAKE_MAGIC;
9797 memset(&wol->sopass, 0, sizeof(wol->sopass));
9798}
6aa20a22 9799
1da177e4
LT		 9800static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9801{
9802 struct tg3 *tp = netdev_priv(dev);
12dac075 9803 struct device *dp = &tp->pdev->dev;
6aa20a22 9804
1da177e4
LT		 9805 if (wol->wolopts & ~WAKE_MAGIC)
9806 return -EINVAL;
9807 if ((wol->wolopts & WAKE_MAGIC) &&
12dac075 9808 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
1da177e4 9809 return -EINVAL;
6aa20a22 9810
f47c11ee 9811 spin_lock_bh(&tp->lock);
12dac075 9812 if (wol->wolopts & WAKE_MAGIC) {
1da177e4 9813 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12dac075
RW		 9814 device_set_wakeup_enable(dp, true);
9815 } else {
1da177e4 9816 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
12dac075
RW		 9817 device_set_wakeup_enable(dp, false);
9818 }
f47c11ee 9819 spin_unlock_bh(&tp->lock);
6aa20a22 9820
1da177e4
LT		 9821 return 0;
9822}
6aa20a22 9823
1da177e4
LT		 9824static u32 tg3_get_msglevel(struct net_device *dev)
9825{
9826 struct tg3 *tp = netdev_priv(dev);
9827 return tp->msg_enable;
9828}
6aa20a22 9829
1da177e4
LT		 9830static void tg3_set_msglevel(struct net_device *dev, u32 value)
9831{
9832 struct tg3 *tp = netdev_priv(dev);
9833 tp->msg_enable = value;
9834}
6aa20a22 9835
1da177e4
LT		 9836static int tg3_set_tso(struct net_device *dev, u32 value)
9837{
9838 struct tg3 *tp = netdev_priv(dev);
9839
9840 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9841 if (value)
9842 return -EINVAL;
9843 return 0;
9844 }
027455ad 9845 if ((dev->features & NETIF_F_IPV6_CSUM) &&
e849cdc3
MC		 9846 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9847 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9936bcf6 9848 if (value) {
b0026624 9849 dev->features |= NETIF_F_TSO6;
e849cdc3
MC		 9850 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9851 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c
MC		 9852 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9853 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
321d32a0 9854 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
e849cdc3 9855 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9936bcf6
MC		 9856 dev->features |= NETIF_F_TSO_ECN;
9857 } else
9858 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
b0026624 9859 }
1da177e4
LT		 9860 return ethtool_op_set_tso(dev, value);
9861}
6aa20a22 9862
1da177e4
LT		 9863static int tg3_nway_reset(struct net_device *dev)
9864{
9865 struct tg3 *tp = netdev_priv(dev);
1da177e4 9866 int r;
6aa20a22 9867
1da177e4
LT		 9868 if (!netif_running(dev))
9869 return -EAGAIN;
9870
c94e3941
MC		 9871 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9872 return -EINVAL;
9873
b02fd9e3
MC		 9874 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9875 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9876 return -EAGAIN;
3f0e3ad7 9877 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 9878 } else {
9879 u32 bmcr;
9880
9881 spin_lock_bh(&tp->lock);
9882 r = -EINVAL;
9883 tg3_readphy(tp, MII_BMCR, &bmcr);
9884 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9885 ((bmcr & BMCR_ANENABLE) ||
9886 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9887 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9888 BMCR_ANENABLE);
9889 r = 0;
9890 }
9891 spin_unlock_bh(&tp->lock);
1da177e4 9892 }
6aa20a22 9893
1da177e4
LT		 9894 return r;
9895}
6aa20a22 9896
1da177e4
LT		 9897static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9898{
9899 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9900
1da177e4
LT		 9901 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9902 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 9903 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9904 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9905 else
9906 ering->rx_jumbo_max_pending = 0;
9907
9908 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 9909
9910 ering->rx_pending = tp->rx_pending;
9911 ering->rx_mini_pending = 0;
4f81c32b
MC		 9912 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9913 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9914 else
9915 ering->rx_jumbo_pending = 0;
9916
f3f3f27e 9917 ering->tx_pending = tp->napi[0].tx_pending;
1da177e4 9918}
6aa20a22 9919
1da177e4
LT		 9920static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9921{
9922 struct tg3 *tp = netdev_priv(dev);
646c9edd 9923 int i, irq_sync = 0, err = 0;
6aa20a22 9924
1da177e4
LT		 9925 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9926 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 9927 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9928 (ering->tx_pending <= MAX_SKB_FRAGS) ||
7f62ad5d 9929 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
bc3a9254 9930 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 9931 return -EINVAL;
6aa20a22 9932
bbe832c0 9933 if (netif_running(dev)) {
b02fd9e3 9934 tg3_phy_stop(tp);
1da177e4 9935 tg3_netif_stop(tp);
bbe832c0
MC		 9936 irq_sync = 1;
9937 }
1da177e4 9938
bbe832c0 9939 tg3_full_lock(tp, irq_sync);
6aa20a22 9940
1da177e4
LT		 9941 tp->rx_pending = ering->rx_pending;
9942
9943 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9944 tp->rx_pending > 63)
9945 tp->rx_pending = 63;
9946 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
646c9edd
MC		 9947
9948 for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9949 tp->napi[i].tx_pending = ering->tx_pending;
1da177e4
LT		 9950
9951 if (netif_running(dev)) {
944d980e 9952 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 9953 err = tg3_restart_hw(tp, 1);
9954 if (!err)
9955 tg3_netif_start(tp);
1da177e4
LT		 9956 }
9957
f47c11ee 9958 tg3_full_unlock(tp);
6aa20a22 9959
b02fd9e3
MC		 9960 if (irq_sync && !err)
9961 tg3_phy_start(tp);
9962
b9ec6c1b 9963 return err;
1da177e4 9964}
6aa20a22 9965
1da177e4
LT		 9966static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9967{
9968 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9969
1da177e4 9970 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8d018621 9971
e18ce346 9972 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
8d018621
MC		 9973 epause->rx_pause = 1;
9974 else
9975 epause->rx_pause = 0;
9976
e18ce346 9977 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
8d018621
MC		 9978 epause->tx_pause = 1;
9979 else
9980 epause->tx_pause = 0;
1da177e4 9981}
6aa20a22 9982
1da177e4
LT		 9983static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9984{
9985 struct tg3 *tp = netdev_priv(dev);
b02fd9e3 9986 int err = 0;
6aa20a22 9987
b02fd9e3
MC		 9988 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9989 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9990 return -EAGAIN;
1da177e4 9991
b02fd9e3
MC		 9992 if (epause->autoneg) {
9993 u32 newadv;
9994 struct phy_device *phydev;
f47c11ee 9995
3f0e3ad7 9996 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1da177e4 9997
b02fd9e3
MC		 9998 if (epause->rx_pause) {
9999 if (epause->tx_pause)
10000 newadv = ADVERTISED_Pause;
10001 else
10002 newadv = ADVERTISED_Pause |
10003 ADVERTISED_Asym_Pause;
10004 } else if (epause->tx_pause) {
10005 newadv = ADVERTISED_Asym_Pause;
10006 } else
10007 newadv = 0;
10008
10009 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
10010 u32 oldadv = phydev->advertising &
10011 (ADVERTISED_Pause |
10012 ADVERTISED_Asym_Pause);
10013 if (oldadv != newadv) {
10014 phydev->advertising &=
10015 ~(ADVERTISED_Pause |
10016 ADVERTISED_Asym_Pause);
10017 phydev->advertising |= newadv;
10018 err = phy_start_aneg(phydev);
10019 }
10020 } else {
10021 tp->link_config.advertising &=
10022 ~(ADVERTISED_Pause |
10023 ADVERTISED_Asym_Pause);
10024 tp->link_config.advertising |= newadv;
10025 }
10026 } else {
10027 if (epause->rx_pause)
e18ce346 10028 tp->link_config.flowctrl |= FLOW_CTRL_RX;
b02fd9e3 10029 else
e18ce346 10030 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
f47c11ee 10031
b02fd9e3 10032 if (epause->tx_pause)
e18ce346 10033 tp->link_config.flowctrl |= FLOW_CTRL_TX;
b02fd9e3 10034 else
e18ce346 10035 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
b02fd9e3
MC		 10036
10037 if (netif_running(dev))
10038 tg3_setup_flow_control(tp, 0, 0);
10039 }
10040 } else {
10041 int irq_sync = 0;
10042
10043 if (netif_running(dev)) {
10044 tg3_netif_stop(tp);
10045 irq_sync = 1;
10046 }
10047
10048 tg3_full_lock(tp, irq_sync);
10049
10050 if (epause->autoneg)
10051 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10052 else
10053 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10054 if (epause->rx_pause)
e18ce346 10055 tp->link_config.flowctrl |= FLOW_CTRL_RX;
b02fd9e3 10056 else
e18ce346 10057 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
b02fd9e3 10058 if (epause->tx_pause)
e18ce346 10059 tp->link_config.flowctrl |= FLOW_CTRL_TX;
b02fd9e3 10060 else
e18ce346 10061 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
b02fd9e3
MC		 10062
10063 if (netif_running(dev)) {
10064 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10065 err = tg3_restart_hw(tp, 1);
10066 if (!err)
10067 tg3_netif_start(tp);
10068 }
10069
10070 tg3_full_unlock(tp);
10071 }
6aa20a22 10072
b9ec6c1b 10073 return err;
1da177e4 10074}
6aa20a22 10075
1da177e4
LT		 10076static u32 tg3_get_rx_csum(struct net_device *dev)
10077{
10078 struct tg3 *tp = netdev_priv(dev);
10079 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10080}
6aa20a22 10081
1da177e4
LT		 10082static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10083{
10084 struct tg3 *tp = netdev_priv(dev);
6aa20a22 10085
1da177e4
LT		 10086 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10087 if (data != 0)
10088 return -EINVAL;
10089 return 0;
10090 }
6aa20a22 10091
f47c11ee 10092 spin_lock_bh(&tp->lock);
1da177e4
LT		 10093 if (data)
10094 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10095 else
10096 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 10097 spin_unlock_bh(&tp->lock);
6aa20a22 10098
1da177e4
LT		 10099 return 0;
10100}
6aa20a22 10101
1da177e4
LT		 10102static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10103{
10104 struct tg3 *tp = netdev_priv(dev);
6aa20a22 10105
1da177e4
LT		 10106 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10107 if (data != 0)
10108 return -EINVAL;
10109 return 0;
10110 }
6aa20a22 10111
321d32a0 10112 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
6460d948 10113 ethtool_op_set_tx_ipv6_csum(dev, data);
1da177e4 10114 else
9c27dbdf 10115 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 10116
10117 return 0;
10118}
10119
b9f2c044 10120static int tg3_get_sset_count (struct net_device *dev, int sset)
1da177e4 10121{
b9f2c044
JG		 10122 switch (sset) {
10123 case ETH_SS_TEST:
10124 return TG3_NUM_TEST;
10125 case ETH_SS_STATS:
10126 return TG3_NUM_STATS;
10127 default:
10128 return -EOPNOTSUPP;
10129 }
4cafd3f5
MC		 10130}
10131
1da177e4
LT		 10132static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
10133{
10134 switch (stringset) {
10135 case ETH_SS_STATS:
10136 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
10137 break;
4cafd3f5
MC		 10138 case ETH_SS_TEST:
10139 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
10140 break;
1da177e4
LT		 10141 default:
10142 WARN_ON(1); /* we need a WARN() */
10143 break;
10144 }
10145}
10146
4009a93d
MC		 10147static int tg3_phys_id(struct net_device *dev, u32 data)
10148{
10149 struct tg3 *tp = netdev_priv(dev);
10150 int i;
10151
10152 if (!netif_running(tp->dev))
10153 return -EAGAIN;
10154
10155 if (data == 0)
759afc31 10156 data = UINT_MAX / 2;
4009a93d
MC		 10157
10158 for (i = 0; i < (data * 2); i++) {
10159 if ((i % 2) == 0)
10160 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10161 LED_CTRL_1000MBPS_ON |
10162 LED_CTRL_100MBPS_ON |
10163 LED_CTRL_10MBPS_ON |
10164 LED_CTRL_TRAFFIC_OVERRIDE |
10165 LED_CTRL_TRAFFIC_BLINK |
10166 LED_CTRL_TRAFFIC_LED);
6aa20a22 10167
4009a93d
MC		 10168 else
10169 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10170 LED_CTRL_TRAFFIC_OVERRIDE);
10171
10172 if (msleep_interruptible(500))
10173 break;
10174 }
10175 tw32(MAC_LED_CTRL, tp->led_ctrl);
10176 return 0;
10177}
10178
1da177e4
LT		 10179static void tg3_get_ethtool_stats (struct net_device *dev,
10180 struct ethtool_stats *estats, u64 *tmp_stats)
10181{
10182 struct tg3 *tp = netdev_priv(dev);
10183 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10184}
10185
566f86ad 10186#define NVRAM_TEST_SIZE 0x100
a5767dec
MC		 10187#define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
10188#define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
10189#define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
b16250e3
MC		 10190#define NVRAM_SELFBOOT_HW_SIZE 0x20
10191#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 10192
10193static int tg3_test_nvram(struct tg3 *tp)
10194{
b9fc7dc5 10195 u32 csum, magic;
a9dc529d 10196 __be32 *buf;
ab0049b4 10197 int i, j, k, err = 0, size;
566f86ad 10198
df259d8c
MC		 10199 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10200 return 0;
10201
e4f34110 10202 if (tg3_nvram_read(tp, 0, &magic) != 0)
1b27777a
MC		 10203 return -EIO;
10204
1b27777a
MC		 10205 if (magic == TG3_EEPROM_MAGIC)
10206 size = NVRAM_TEST_SIZE;
b16250e3 10207 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
a5767dec
MC		 10208 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10209 TG3_EEPROM_SB_FORMAT_1) {
10210 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10211 case TG3_EEPROM_SB_REVISION_0:
10212 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10213 break;
10214 case TG3_EEPROM_SB_REVISION_2:
10215 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10216 break;
10217 case TG3_EEPROM_SB_REVISION_3:
10218 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10219 break;
10220 default:
10221 return 0;
10222 }
10223 } else
1b27777a 10224 return 0;
b16250e3
MC		 10225 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10226 size = NVRAM_SELFBOOT_HW_SIZE;
10227 else
1b27777a
MC		 10228 return -EIO;
10229
10230 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 10231 if (buf == NULL)
10232 return -ENOMEM;
10233
1b27777a
MC		 10234 err = -EIO;
10235 for (i = 0, j = 0; i < size; i += 4, j++) {
a9dc529d
MC		 10236 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10237 if (err)
566f86ad 10238 break;
566f86ad 10239 }
1b27777a 10240 if (i < size)
566f86ad
MC		 10241 goto out;
10242
1b27777a 10243 /* Selfboot format */
a9dc529d 10244 magic = be32_to_cpu(buf[0]);
b9fc7dc5 10245 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
b16250e3 10246 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 10247 u8 *buf8 = (u8 *) buf, csum8 = 0;
10248
b9fc7dc5 10249 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
a5767dec
MC		 10250 TG3_EEPROM_SB_REVISION_2) {
10251 /* For rev 2, the csum doesn't include the MBA. */
10252 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10253 csum8 += buf8[i];
10254 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10255 csum8 += buf8[i];
10256 } else {
10257 for (i = 0; i < size; i++)
10258 csum8 += buf8[i];
10259 }
1b27777a 10260
ad96b485
AB		 10261 if (csum8 == 0) {
10262 err = 0;
10263 goto out;
10264 }
10265
10266 err = -EIO;
10267 goto out;
1b27777a 10268 }
566f86ad 10269
b9fc7dc5 10270 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
b16250e3
MC		 10271 TG3_EEPROM_MAGIC_HW) {
10272 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
a9dc529d 10273 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
b16250e3 10274 u8 *buf8 = (u8 *) buf;
b16250e3
MC		 10275
10276 /* Separate the parity bits and the data bytes. */
10277 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10278 if ((i == 0) || (i == 8)) {
10279 int l;
10280 u8 msk;
10281
10282 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10283 parity[k++] = buf8[i] & msk;
10284 i++;
10285 }
10286 else if (i == 16) {
10287 int l;
10288 u8 msk;
10289
10290 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10291 parity[k++] = buf8[i] & msk;
10292 i++;
10293
10294 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10295 parity[k++] = buf8[i] & msk;
10296 i++;
10297 }
10298 data[j++] = buf8[i];
10299 }
10300
10301 err = -EIO;
10302 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10303 u8 hw8 = hweight8(data[i]);
10304
10305 if ((hw8 & 0x1) && parity[i])
10306 goto out;
10307 else if (!(hw8 & 0x1) && !parity[i])
10308 goto out;
10309 }
10310 err = 0;
10311 goto out;
10312 }
10313
566f86ad
MC		 10314 /* Bootstrap checksum at offset 0x10 */
10315 csum = calc_crc((unsigned char *) buf, 0x10);
a9dc529d 10316 if (csum != be32_to_cpu(buf[0x10/4]))
566f86ad
MC		 10317 goto out;
10318
10319 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10320 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
a9dc529d
MC		 10321 if (csum != be32_to_cpu(buf[0xfc/4]))
10322 goto out;
566f86ad
MC		 10323
10324 err = 0;
10325
10326out:
10327 kfree(buf);
10328 return err;
10329}
10330
ca43007a
MC		 10331#define TG3_SERDES_TIMEOUT_SEC 2
10332#define TG3_COPPER_TIMEOUT_SEC 6
10333
10334static int tg3_test_link(struct tg3 *tp)
10335{
10336 int i, max;
10337
10338 if (!netif_running(tp->dev))
10339 return -ENODEV;
10340
4c987487 10341 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 10342 max = TG3_SERDES_TIMEOUT_SEC;
10343 else
10344 max = TG3_COPPER_TIMEOUT_SEC;
10345
10346 for (i = 0; i < max; i++) {
10347 if (netif_carrier_ok(tp->dev))
10348 return 0;
10349
10350 if (msleep_interruptible(1000))
10351 break;
10352 }
10353
10354 return -EIO;
10355}
10356
a71116d1 10357/* Only test the commonly used registers */
30ca3e37 10358static int tg3_test_registers(struct tg3 *tp)
a71116d1 10359{
b16250e3 10360 int i, is_5705, is_5750;
a71116d1
MC		 10361 u32 offset, read_mask, write_mask, val, save_val, read_val;
10362 static struct {
10363 u16 offset;
10364 u16 flags;
10365#define TG3_FL_5705 0x1
10366#define TG3_FL_NOT_5705 0x2
10367#define TG3_FL_NOT_5788 0x4
b16250e3 10368#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 10369 u32 read_mask;
10370 u32 write_mask;
10371 } reg_tbl[] = {
10372 /* MAC Control Registers */
10373 { MAC_MODE, TG3_FL_NOT_5705,
10374 0x00000000, 0x00ef6f8c },
10375 { MAC_MODE, TG3_FL_5705,
10376 0x00000000, 0x01ef6b8c },
10377 { MAC_STATUS, TG3_FL_NOT_5705,
10378 0x03800107, 0x00000000 },
10379 { MAC_STATUS, TG3_FL_5705,
10380 0x03800100, 0x00000000 },
10381 { MAC_ADDR_0_HIGH, 0x0000,
10382 0x00000000, 0x0000ffff },
10383 { MAC_ADDR_0_LOW, 0x0000,
10384 0x00000000, 0xffffffff },
10385 { MAC_RX_MTU_SIZE, 0x0000,
10386 0x00000000, 0x0000ffff },
10387 { MAC_TX_MODE, 0x0000,
10388 0x00000000, 0x00000070 },
10389 { MAC_TX_LENGTHS, 0x0000,
10390 0x00000000, 0x00003fff },
10391 { MAC_RX_MODE, TG3_FL_NOT_5705,
10392 0x00000000, 0x000007fc },
10393 { MAC_RX_MODE, TG3_FL_5705,
10394 0x00000000, 0x000007dc },
10395 { MAC_HASH_REG_0, 0x0000,
10396 0x00000000, 0xffffffff },
10397 { MAC_HASH_REG_1, 0x0000,
10398 0x00000000, 0xffffffff },
10399 { MAC_HASH_REG_2, 0x0000,
10400 0x00000000, 0xffffffff },
10401 { MAC_HASH_REG_3, 0x0000,
10402 0x00000000, 0xffffffff },
10403
10404 /* Receive Data and Receive BD Initiator Control Registers. */
10405 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10406 0x00000000, 0xffffffff },
10407 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10408 0x00000000, 0xffffffff },
10409 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10410 0x00000000, 0x00000003 },
10411 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10412 0x00000000, 0xffffffff },
10413 { RCVDBDI_STD_BD+0, 0x0000,
10414 0x00000000, 0xffffffff },
10415 { RCVDBDI_STD_BD+4, 0x0000,
10416 0x00000000, 0xffffffff },
10417 { RCVDBDI_STD_BD+8, 0x0000,
10418 0x00000000, 0xffff0002 },
10419 { RCVDBDI_STD_BD+0xc, 0x0000,
10420 0x00000000, 0xffffffff },
6aa20a22 10421
a71116d1
MC		 10422 /* Receive BD Initiator Control Registers. */
10423 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10424 0x00000000, 0xffffffff },
10425 { RCVBDI_STD_THRESH, TG3_FL_5705,
10426 0x00000000, 0x000003ff },
10427 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10428 0x00000000, 0xffffffff },
6aa20a22 10429
a71116d1
MC		 10430 /* Host Coalescing Control Registers. */
10431 { HOSTCC_MODE, TG3_FL_NOT_5705,
10432 0x00000000, 0x00000004 },
10433 { HOSTCC_MODE, TG3_FL_5705,
10434 0x00000000, 0x000000f6 },
10435 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10436 0x00000000, 0xffffffff },
10437 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10438 0x00000000, 0x000003ff },
10439 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10440 0x00000000, 0xffffffff },
10441 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10442 0x00000000, 0x000003ff },
10443 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10444 0x00000000, 0xffffffff },
10445 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10446 0x00000000, 0x000000ff },
10447 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10448 0x00000000, 0xffffffff },
10449 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10450 0x00000000, 0x000000ff },
10451 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10452 0x00000000, 0xffffffff },
10453 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10454 0x00000000, 0xffffffff },
10455 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10456 0x00000000, 0xffffffff },
10457 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10458 0x00000000, 0x000000ff },
10459 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10460 0x00000000, 0xffffffff },
10461 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10462 0x00000000, 0x000000ff },
10463 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10464 0x00000000, 0xffffffff },
10465 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10466 0x00000000, 0xffffffff },
10467 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10468 0x00000000, 0xffffffff },
10469 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10470 0x00000000, 0xffffffff },
10471 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10472 0x00000000, 0xffffffff },
10473 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10474 0xffffffff, 0x00000000 },
10475 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10476 0xffffffff, 0x00000000 },
10477
10478 /* Buffer Manager Control Registers. */
b16250e3 10479 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 10480 0x00000000, 0x007fff80 },
b16250e3 10481 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 10482 0x00000000, 0x007fffff },
10483 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10484 0x00000000, 0x0000003f },
10485 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10486 0x00000000, 0x000001ff },
10487 { BUFMGR_MB_HIGH_WATER, 0x0000,
10488 0x00000000, 0x000001ff },
10489 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10490 0xffffffff, 0x00000000 },
10491 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10492 0xffffffff, 0x00000000 },
6aa20a22 10493
a71116d1
MC		 10494 /* Mailbox Registers */
10495 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10496 0x00000000, 0x000001ff },
10497 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10498 0x00000000, 0x000001ff },
10499 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10500 0x00000000, 0x000007ff },
10501 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10502 0x00000000, 0x000001ff },
10503
10504 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10505 };
10506
b16250e3
MC		 10507 is_5705 = is_5750 = 0;
10508 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 10509 is_5705 = 1;
b16250e3
MC		 10510 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10511 is_5750 = 1;
10512 }
a71116d1
MC		 10513
10514 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10515 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10516 continue;
10517
10518 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10519 continue;
10520
10521 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10522 (reg_tbl[i].flags & TG3_FL_NOT_5788))
10523 continue;
10524
b16250e3
MC		 10525 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10526 continue;
10527
a71116d1
MC		 10528 offset = (u32) reg_tbl[i].offset;
10529 read_mask = reg_tbl[i].read_mask;
10530 write_mask = reg_tbl[i].write_mask;
10531
10532 /* Save the original register content */
10533 save_val = tr32(offset);
10534
10535 /* Determine the read-only value. */
10536 read_val = save_val & read_mask;
10537
10538 /* Write zero to the register, then make sure the read-only bits
10539 * are not changed and the read/write bits are all zeros.
10540 */
10541 tw32(offset, 0);
10542
10543 val = tr32(offset);
10544
10545 /* Test the read-only and read/write bits. */
10546 if (((val & read_mask) != read_val) || (val & write_mask))
10547 goto out;
10548
10549 /* Write ones to all the bits defined by RdMask and WrMask, then
10550 * make sure the read-only bits are not changed and the
10551 * read/write bits are all ones.
10552 */
10553 tw32(offset, read_mask | write_mask);
10554
10555 val = tr32(offset);
10556
10557 /* Test the read-only bits. */
10558 if ((val & read_mask) != read_val)
10559 goto out;
10560
10561 /* Test the read/write bits. */
10562 if ((val & write_mask) != write_mask)
10563 goto out;
10564
10565 tw32(offset, save_val);
10566 }
10567
10568 return 0;
10569
10570out:
9f88f29f
MC		 10571 if (netif_msg_hw(tp))
10572 printk(KERN_ERR PFX "Register test failed at offset %x\n",
10573 offset);
a71116d1
MC		 10574 tw32(offset, save_val);
10575 return -EIO;
10576}
10577
7942e1db
MC		 10578static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10579{
f71e1309 10580 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 10581 int i;
10582 u32 j;
10583
e9edda69 10584 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
7942e1db
MC		 10585 for (j = 0; j < len; j += 4) {
10586 u32 val;
10587
10588 tg3_write_mem(tp, offset + j, test_pattern[i]);
10589 tg3_read_mem(tp, offset + j, &val);
10590 if (val != test_pattern[i])
10591 return -EIO;
10592 }
10593 }
10594 return 0;
10595}
10596
10597static int tg3_test_memory(struct tg3 *tp)
10598{
10599 static struct mem_entry {
10600 u32 offset;
10601 u32 len;
10602 } mem_tbl_570x[] = {
38690194 10603 { 0x00000000, 0x00b50},
7942e1db
MC		 10604 { 0x00002000, 0x1c000},
10605 { 0xffffffff, 0x00000}
10606 }, mem_tbl_5705[] = {
10607 { 0x00000100, 0x0000c},
10608 { 0x00000200, 0x00008},
7942e1db
MC		 10609 { 0x00004000, 0x00800},
10610 { 0x00006000, 0x01000},
10611 { 0x00008000, 0x02000},
10612 { 0x00010000, 0x0e000},
10613 { 0xffffffff, 0x00000}
79f4d13a
MC		 10614 }, mem_tbl_5755[] = {
10615 { 0x00000200, 0x00008},
10616 { 0x00004000, 0x00800},
10617 { 0x00006000, 0x00800},
10618 { 0x00008000, 0x02000},
10619 { 0x00010000, 0x0c000},
10620 { 0xffffffff, 0x00000}
b16250e3
MC		 10621 }, mem_tbl_5906[] = {
10622 { 0x00000200, 0x00008},
10623 { 0x00004000, 0x00400},
10624 { 0x00006000, 0x00400},
10625 { 0x00008000, 0x01000},
10626 { 0x00010000, 0x01000},
10627 { 0xffffffff, 0x00000}
7942e1db
MC		 10628 };
10629 struct mem_entry *mem_tbl;
10630 int err = 0;
10631 int i;
10632
321d32a0
MC		 10633 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10634 mem_tbl = mem_tbl_5755;
10635 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10636 mem_tbl = mem_tbl_5906;
10637 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10638 mem_tbl = mem_tbl_5705;
10639 else
7942e1db
MC		 10640 mem_tbl = mem_tbl_570x;
10641
10642 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10643 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10644 mem_tbl[i].len)) != 0)
10645 break;
10646 }
6aa20a22 10647
7942e1db
MC		 10648 return err;
10649}
10650
9f40dead
MC		 10651#define TG3_MAC_LOOPBACK 0
10652#define TG3_PHY_LOOPBACK 1
10653
10654static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 10655{
9f40dead 10656 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
fd2ce37f 10657 u32 desc_idx, coal_now;
c76949a6
MC		 10658 struct sk_buff *skb, *rx_skb;
10659 u8 *tx_data;
10660 dma_addr_t map;
10661 int num_pkts, tx_len, rx_len, i, err;
10662 struct tg3_rx_buffer_desc *desc;
898a56f8 10663 struct tg3_napi *tnapi, *rnapi;
21f581a5 10664 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
c76949a6 10665
0c1d0e2b
MC		 10666 if (tp->irq_cnt > 1) {
10667 tnapi = &tp->napi[1];
10668 rnapi = &tp->napi[1];
10669 } else {
10670 tnapi = &tp->napi[0];
10671 rnapi = &tp->napi[0];
10672 }
fd2ce37f 10673 coal_now = tnapi->coal_now | rnapi->coal_now;
898a56f8 10674
9f40dead 10675 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 10676 /* HW errata - mac loopback fails in some cases on 5780.
10677 * Normal traffic and PHY loopback are not affected by
10678 * errata.
10679 */
10680 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10681 return 0;
10682
9f40dead 10683 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
e8f3f6ca
MC		 10684 MAC_MODE_PORT_INT_LPBACK;
10685 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10686 mac_mode |= MAC_MODE_LINK_POLARITY;
3f7045c1
MC		 10687 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10688 mac_mode |= MAC_MODE_PORT_MODE_MII;
10689 else
10690 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 10691 tw32(MAC_MODE, mac_mode);
10692 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 10693 u32 val;
10694
7f97a4bd
MC		 10695 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10696 tg3_phy_fet_toggle_apd(tp, false);
5d64ad34
MC		 10697 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10698 } else
10699 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1 10700
9ef8ca99
MC		 10701 tg3_phy_toggle_automdix(tp, 0);
10702
3f7045c1 10703 tg3_writephy(tp, MII_BMCR, val);
c94e3941 10704 udelay(40);
5d64ad34 10705
e8f3f6ca 10706 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
7f97a4bd
MC		 10707 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10708 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10709 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
5d64ad34
MC		 10710 mac_mode |= MAC_MODE_PORT_MODE_MII;
10711 } else
10712 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 10713
c94e3941
MC		 10714 /* reset to prevent losing 1st rx packet intermittently */
10715 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10716 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10717 udelay(10);
10718 tw32_f(MAC_RX_MODE, tp->rx_mode);
10719 }
e8f3f6ca
MC		 10720 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10721 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10722 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10723 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10724 mac_mode |= MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 10725 tg3_writephy(tp, MII_TG3_EXT_CTRL,
10726 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10727 }
9f40dead 10728 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 10729 }
10730 else
10731 return -EINVAL;
c76949a6
MC		 10732
10733 err = -EIO;
10734
c76949a6 10735 tx_len = 1514;
a20e9c62 10736 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 10737 if (!skb)
10738 return -ENOMEM;
10739
c76949a6
MC		 10740 tx_data = skb_put(skb, tx_len);
10741 memcpy(tx_data, tp->dev->dev_addr, 6);
10742 memset(tx_data + 6, 0x0, 8);
10743
10744 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10745
10746 for (i = 14; i < tx_len; i++)
10747 tx_data[i] = (u8) (i & 0xff);
10748
f4188d8a
AD		 10749 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10750 if (pci_dma_mapping_error(tp->pdev, map)) {
a21771dd
MC		 10751 dev_kfree_skb(skb);
10752 return -EIO;
10753 }
c76949a6
MC		 10754
10755 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 10756 rnapi->coal_now);
c76949a6
MC		 10757
10758 udelay(10);
10759
898a56f8 10760 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
c76949a6 10761
c76949a6
MC		 10762 num_pkts = 0;
10763
f4188d8a 10764 tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
c76949a6 10765
f3f3f27e 10766 tnapi->tx_prod++;
c76949a6
MC		 10767 num_pkts++;
10768
f3f3f27e
MC		 10769 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10770 tr32_mailbox(tnapi->prodmbox);
c76949a6
MC		 10771
10772 udelay(10);
10773
303fc921
MC		 10774 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10775 for (i = 0; i < 35; i++) {
c76949a6 10776 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 10777 coal_now);
c76949a6
MC		 10778
10779 udelay(10);
10780
898a56f8
MC		 10781 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10782 rx_idx = rnapi->hw_status->idx[0].rx_producer;
f3f3f27e 10783 if ((tx_idx == tnapi->tx_prod) &&
c76949a6
MC		 10784 (rx_idx == (rx_start_idx + num_pkts)))
10785 break;
10786 }
10787
f4188d8a 10788 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
c76949a6
MC		 10789 dev_kfree_skb(skb);
10790
f3f3f27e 10791 if (tx_idx != tnapi->tx_prod)
c76949a6
MC		 10792 goto out;
10793
10794 if (rx_idx != rx_start_idx + num_pkts)
10795 goto out;
10796
72334482 10797 desc = &rnapi->rx_rcb[rx_start_idx];
c76949a6
MC		 10798 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10799 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10800 if (opaque_key != RXD_OPAQUE_RING_STD)
10801 goto out;
10802
10803 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10804 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10805 goto out;
10806
10807 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10808 if (rx_len != tx_len)
10809 goto out;
10810
21f581a5 10811 rx_skb = tpr->rx_std_buffers[desc_idx].skb;
c76949a6 10812
21f581a5 10813 map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
c76949a6
MC		 10814 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10815
10816 for (i = 14; i < tx_len; i++) {
10817 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10818 goto out;
10819 }
10820 err = 0;
6aa20a22 10821
c76949a6
MC		 10822 /* tg3_free_rings will unmap and free the rx_skb */
10823out:
10824 return err;
10825}
10826
9f40dead
MC		 10827#define TG3_MAC_LOOPBACK_FAILED 1
10828#define TG3_PHY_LOOPBACK_FAILED 2
10829#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10830 TG3_PHY_LOOPBACK_FAILED)
10831
10832static int tg3_test_loopback(struct tg3 *tp)
10833{
10834 int err = 0;
9936bcf6 10835 u32 cpmuctrl = 0;
9f40dead
MC		 10836
10837 if (!netif_running(tp->dev))
10838 return TG3_LOOPBACK_FAILED;
10839
b9ec6c1b
MC		 10840 err = tg3_reset_hw(tp, 1);
10841 if (err)
10842 return TG3_LOOPBACK_FAILED;
9f40dead 10843
6833c043
MC		 10844 /* Turn off gphy autopowerdown. */
10845 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10846 tg3_phy_toggle_apd(tp, false);
10847
321d32a0 10848 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9936bcf6
MC		 10849 int i;
10850 u32 status;
10851
10852 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10853
10854 /* Wait for up to 40 microseconds to acquire lock. */
10855 for (i = 0; i < 4; i++) {
10856 status = tr32(TG3_CPMU_MUTEX_GNT);
10857 if (status == CPMU_MUTEX_GNT_DRIVER)
10858 break;
10859 udelay(10);
10860 }
10861
10862 if (status != CPMU_MUTEX_GNT_DRIVER)
10863 return TG3_LOOPBACK_FAILED;
10864
b2a5c19c 10865 /* Turn off link-based power management. */
e875093c 10866 cpmuctrl = tr32(TG3_CPMU_CTRL);
109115e1
MC		 10867 tw32(TG3_CPMU_CTRL,
10868 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10869 CPMU_CTRL_LINK_AWARE_MODE));
9936bcf6
MC		 10870 }
10871
9f40dead
MC		 10872 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10873 err |= TG3_MAC_LOOPBACK_FAILED;
9936bcf6 10874
321d32a0 10875 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9936bcf6
MC		 10876 tw32(TG3_CPMU_CTRL, cpmuctrl);
10877
10878 /* Release the mutex */
10879 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10880 }
10881
dd477003
MC		 10882 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10883 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
9f40dead
MC		 10884 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10885 err |= TG3_PHY_LOOPBACK_FAILED;
10886 }
10887
6833c043
MC		 10888 /* Re-enable gphy autopowerdown. */
10889 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10890 tg3_phy_toggle_apd(tp, true);
10891
9f40dead
MC		 10892 return err;
10893}
10894
4cafd3f5
MC		 10895static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10896 u64 *data)
10897{
566f86ad
MC		 10898 struct tg3 *tp = netdev_priv(dev);
10899
bc1c7567
MC		 10900 if (tp->link_config.phy_is_low_power)
10901 tg3_set_power_state(tp, PCI_D0);
10902
566f86ad
MC		 10903 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10904
10905 if (tg3_test_nvram(tp) != 0) {
10906 etest->flags |= ETH_TEST_FL_FAILED;
10907 data[0] = 1;
10908 }
ca43007a
MC		 10909 if (tg3_test_link(tp) != 0) {
10910 etest->flags |= ETH_TEST_FL_FAILED;
10911 data[1] = 1;
10912 }
a71116d1 10913 if (etest->flags & ETH_TEST_FL_OFFLINE) {
b02fd9e3 10914 int err, err2 = 0, irq_sync = 0;
bbe832c0
MC		 10915
10916 if (netif_running(dev)) {
b02fd9e3 10917 tg3_phy_stop(tp);
a71116d1 10918 tg3_netif_stop(tp);
bbe832c0
MC		 10919 irq_sync = 1;
10920 }
a71116d1 10921
bbe832c0 10922 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 10923
10924 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 10925 err = tg3_nvram_lock(tp);
a71116d1
MC		 10926 tg3_halt_cpu(tp, RX_CPU_BASE);
10927 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10928 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 10929 if (!err)
10930 tg3_nvram_unlock(tp);
a71116d1 10931
d9ab5ad1
MC		 10932 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
10933 tg3_phy_reset(tp);
10934
a71116d1
MC		 10935 if (tg3_test_registers(tp) != 0) {
10936 etest->flags |= ETH_TEST_FL_FAILED;
10937 data[2] = 1;
10938 }
7942e1db
MC		 10939 if (tg3_test_memory(tp) != 0) {
10940 etest->flags |= ETH_TEST_FL_FAILED;
10941 data[3] = 1;
10942 }
9f40dead 10943 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 10944 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 10945
f47c11ee
DM		 10946 tg3_full_unlock(tp);
10947
d4bc3927
MC		 10948 if (tg3_test_interrupt(tp) != 0) {
10949 etest->flags |= ETH_TEST_FL_FAILED;
10950 data[5] = 1;
10951 }
f47c11ee
DM		 10952
10953 tg3_full_lock(tp, 0);
d4bc3927 10954
a71116d1
MC		 10955 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10956 if (netif_running(dev)) {
10957 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b02fd9e3
MC		 10958 err2 = tg3_restart_hw(tp, 1);
10959 if (!err2)
b9ec6c1b 10960 tg3_netif_start(tp);
a71116d1 10961 }
f47c11ee
DM		 10962
10963 tg3_full_unlock(tp);
b02fd9e3
MC		 10964
10965 if (irq_sync && !err2)
10966 tg3_phy_start(tp);
a71116d1 10967 }
bc1c7567
MC		 10968 if (tp->link_config.phy_is_low_power)
10969 tg3_set_power_state(tp, PCI_D3hot);
10970
4cafd3f5
MC		 10971}
10972
1da177e4
LT		 10973static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10974{
10975 struct mii_ioctl_data *data = if_mii(ifr);
10976 struct tg3 *tp = netdev_priv(dev);
10977 int err;
10978
b02fd9e3 10979 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 10980 struct phy_device *phydev;
b02fd9e3
MC		 10981 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10982 return -EAGAIN;
3f0e3ad7
MC		 10983 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10984 return phy_mii_ioctl(phydev, data, cmd);
b02fd9e3
MC		 10985 }
10986
1da177e4
LT		 10987 switch(cmd) {
10988 case SIOCGMIIPHY:
882e9793 10989 data->phy_id = tp->phy_addr;
1da177e4
LT		 10990
10991 /* fallthru */
10992 case SIOCGMIIREG: {
10993 u32 mii_regval;
10994
10995 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10996 break; /* We have no PHY */
10997
bc1c7567
MC		 10998 if (tp->link_config.phy_is_low_power)
10999 return -EAGAIN;
11000
f47c11ee 11001 spin_lock_bh(&tp->lock);
1da177e4 11002 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 11003 spin_unlock_bh(&tp->lock);
1da177e4
LT		 11004
11005 data->val_out = mii_regval;
11006
11007 return err;
11008 }
11009
11010 case SIOCSMIIREG:
11011 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11012 break; /* We have no PHY */
11013
bc1c7567
MC		 11014 if (tp->link_config.phy_is_low_power)
11015 return -EAGAIN;
11016
f47c11ee 11017 spin_lock_bh(&tp->lock);
1da177e4 11018 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 11019 spin_unlock_bh(&tp->lock);
1da177e4
LT		 11020
11021 return err;
11022
11023 default:
11024 /* do nothing */
11025 break;
11026 }
11027 return -EOPNOTSUPP;
11028}
11029
11030#if TG3_VLAN_TAG_USED
11031static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11032{
11033 struct tg3 *tp = netdev_priv(dev);
11034
844b3eed
MC		 11035 if (!netif_running(dev)) {
11036 tp->vlgrp = grp;
11037 return;
11038 }
11039
11040 tg3_netif_stop(tp);
29315e87 11041
f47c11ee 11042 tg3_full_lock(tp, 0);
1da177e4
LT		 11043
11044 tp->vlgrp = grp;
11045
11046 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11047 __tg3_set_rx_mode(dev);
11048
844b3eed 11049 tg3_netif_start(tp);
46966545
MC		 11050
11051 tg3_full_unlock(tp);
1da177e4 11052}
1da177e4
LT		 11053#endif
11054
15f9850d
DM		 11055static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11056{
11057 struct tg3 *tp = netdev_priv(dev);
11058
11059 memcpy(ec, &tp->coal, sizeof(*ec));
11060 return 0;
11061}
11062
d244c892
MC		 11063static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11064{
11065 struct tg3 *tp = netdev_priv(dev);
11066 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11067 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11068
11069 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11070 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11071 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11072 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11073 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11074 }
11075
11076 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11077 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11078 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11079 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11080 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11081 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11082 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11083 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11084 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11085 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11086 return -EINVAL;
11087
11088 /* No rx interrupts will be generated if both are zero */
11089 if ((ec->rx_coalesce_usecs == 0) &&
11090 (ec->rx_max_coalesced_frames == 0))
11091 return -EINVAL;
11092
11093 /* No tx interrupts will be generated if both are zero */
11094 if ((ec->tx_coalesce_usecs == 0) &&
11095 (ec->tx_max_coalesced_frames == 0))
11096 return -EINVAL;
11097
11098 /* Only copy relevant parameters, ignore all others. */
11099 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11100 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11101 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11102 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11103 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11104 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11105 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11106 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11107 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11108
11109 if (netif_running(dev)) {
11110 tg3_full_lock(tp, 0);
11111 __tg3_set_coalesce(tp, &tp->coal);
11112 tg3_full_unlock(tp);
11113 }
11114 return 0;
11115}
11116
7282d491 11117static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 11118 .get_settings = tg3_get_settings,
11119 .set_settings = tg3_set_settings,
11120 .get_drvinfo = tg3_get_drvinfo,
11121 .get_regs_len = tg3_get_regs_len,
11122 .get_regs = tg3_get_regs,
11123 .get_wol = tg3_get_wol,
11124 .set_wol = tg3_set_wol,
11125 .get_msglevel = tg3_get_msglevel,
11126 .set_msglevel = tg3_set_msglevel,
11127 .nway_reset = tg3_nway_reset,
11128 .get_link = ethtool_op_get_link,
11129 .get_eeprom_len = tg3_get_eeprom_len,
11130 .get_eeprom = tg3_get_eeprom,
11131 .set_eeprom = tg3_set_eeprom,
11132 .get_ringparam = tg3_get_ringparam,
11133 .set_ringparam = tg3_set_ringparam,
11134 .get_pauseparam = tg3_get_pauseparam,
11135 .set_pauseparam = tg3_set_pauseparam,
11136 .get_rx_csum = tg3_get_rx_csum,
11137 .set_rx_csum = tg3_set_rx_csum,
1da177e4 11138 .set_tx_csum = tg3_set_tx_csum,
1da177e4 11139 .set_sg = ethtool_op_set_sg,
1da177e4 11140 .set_tso = tg3_set_tso,
4cafd3f5 11141 .self_test = tg3_self_test,
1da177e4 11142 .get_strings = tg3_get_strings,
4009a93d 11143 .phys_id = tg3_phys_id,
1da177e4 11144 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 11145 .get_coalesce = tg3_get_coalesce,
d244c892 11146 .set_coalesce = tg3_set_coalesce,
b9f2c044 11147 .get_sset_count = tg3_get_sset_count,
1da177e4
LT		 11148};
11149
11150static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11151{
1b27777a 11152 u32 cursize, val, magic;
1da177e4
LT		 11153
11154 tp->nvram_size = EEPROM_CHIP_SIZE;
11155
e4f34110 11156 if (tg3_nvram_read(tp, 0, &magic) != 0)
1da177e4
LT		 11157 return;
11158
b16250e3
MC		 11159 if ((magic != TG3_EEPROM_MAGIC) &&
11160 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11161 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 11162 return;
11163
11164 /*
11165 * Size the chip by reading offsets at increasing powers of two.
11166 * When we encounter our validation signature, we know the addressing
11167 * has wrapped around, and thus have our chip size.
11168 */
1b27777a 11169 cursize = 0x10;
1da177e4
LT		 11170
11171 while (cursize < tp->nvram_size) {
e4f34110 11172 if (tg3_nvram_read(tp, cursize, &val) != 0)
1da177e4
LT		 11173 return;
11174
1820180b 11175 if (val == magic)
1da177e4
LT		 11176 break;
11177
11178 cursize <<= 1;
11179 }
11180
11181 tp->nvram_size = cursize;
11182}
6aa20a22 11183
1da177e4
LT		 11184static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11185{
11186 u32 val;
11187
df259d8c
MC		 11188 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11189 tg3_nvram_read(tp, 0, &val) != 0)
1b27777a
MC		 11190 return;
11191
11192 /* Selfboot format */
1820180b 11193 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 11194 tg3_get_eeprom_size(tp);
11195 return;
11196 }
11197
6d348f2c 11198 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
1da177e4 11199 if (val != 0) {
6d348f2c
MC		 11200 /* This is confusing. We want to operate on the
11201 * 16-bit value at offset 0xf2. The tg3_nvram_read()
11202 * call will read from NVRAM and byteswap the data
11203 * according to the byteswapping settings for all
11204 * other register accesses. This ensures the data we
11205 * want will always reside in the lower 16-bits.
11206 * However, the data in NVRAM is in LE format, which
11207 * means the data from the NVRAM read will always be
11208 * opposite the endianness of the CPU. The 16-bit
11209 * byteswap then brings the data to CPU endianness.
11210 */
11211 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
1da177e4
LT		 11212 return;
11213 }
11214 }
fd1122a2 11215 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
1da177e4
LT		 11216}
11217
11218static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11219{
11220 u32 nvcfg1;
11221
11222 nvcfg1 = tr32(NVRAM_CFG1);
11223 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11224 tp->tg3_flags2 |= TG3_FLG2_FLASH;
8590a603 11225 } else {
1da177e4
LT		 11226 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11227 tw32(NVRAM_CFG1, nvcfg1);
11228 }
11229
4c987487 11230 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 11231 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4 11232 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
8590a603
MC		 11233 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11234 tp->nvram_jedecnum = JEDEC_ATMEL;
11235 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11236 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11237 break;
11238 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11239 tp->nvram_jedecnum = JEDEC_ATMEL;
11240 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11241 break;
11242 case FLASH_VENDOR_ATMEL_EEPROM:
11243 tp->nvram_jedecnum = JEDEC_ATMEL;
11244 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11245 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11246 break;
11247 case FLASH_VENDOR_ST:
11248 tp->nvram_jedecnum = JEDEC_ST;
11249 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11250 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11251 break;
11252 case FLASH_VENDOR_SAIFUN:
11253 tp->nvram_jedecnum = JEDEC_SAIFUN;
11254 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11255 break;
11256 case FLASH_VENDOR_SST_SMALL:
11257 case FLASH_VENDOR_SST_LARGE:
11258 tp->nvram_jedecnum = JEDEC_SST;
11259 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11260 break;
1da177e4 11261 }
8590a603 11262 } else {
1da177e4
LT		 11263 tp->nvram_jedecnum = JEDEC_ATMEL;
11264 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11265 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11266 }
11267}
11268
a1b950d5
MC		 11269static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11270{
11271 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11272 case FLASH_5752PAGE_SIZE_256:
11273 tp->nvram_pagesize = 256;
11274 break;
11275 case FLASH_5752PAGE_SIZE_512:
11276 tp->nvram_pagesize = 512;
11277 break;
11278 case FLASH_5752PAGE_SIZE_1K:
11279 tp->nvram_pagesize = 1024;
11280 break;
11281 case FLASH_5752PAGE_SIZE_2K:
11282 tp->nvram_pagesize = 2048;
11283 break;
11284 case FLASH_5752PAGE_SIZE_4K:
11285 tp->nvram_pagesize = 4096;
11286 break;
11287 case FLASH_5752PAGE_SIZE_264:
11288 tp->nvram_pagesize = 264;
11289 break;
11290 case FLASH_5752PAGE_SIZE_528:
11291 tp->nvram_pagesize = 528;
11292 break;
11293 }
11294}
11295
361b4ac2
MC		 11296static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11297{
11298 u32 nvcfg1;
11299
11300 nvcfg1 = tr32(NVRAM_CFG1);
11301
e6af301b
MC		 11302 /* NVRAM protection for TPM */
11303 if (nvcfg1 & (1 << 27))
f66a29b0 11304 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
e6af301b 11305
361b4ac2 11306 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 11307 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11308 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11309 tp->nvram_jedecnum = JEDEC_ATMEL;
11310 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11311 break;
11312 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11313 tp->nvram_jedecnum = JEDEC_ATMEL;
11314 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11315 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11316 break;
11317 case FLASH_5752VENDOR_ST_M45PE10:
11318 case FLASH_5752VENDOR_ST_M45PE20:
11319 case FLASH_5752VENDOR_ST_M45PE40:
11320 tp->nvram_jedecnum = JEDEC_ST;
11321 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11322 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11323 break;
361b4ac2
MC		 11324 }
11325
11326 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
a1b950d5 11327 tg3_nvram_get_pagesize(tp, nvcfg1);
8590a603 11328 } else {
361b4ac2
MC		 11329 /* For eeprom, set pagesize to maximum eeprom size */
11330 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11331
11332 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11333 tw32(NVRAM_CFG1, nvcfg1);
11334 }
11335}
11336
d3c7b886
MC		 11337static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11338{
989a9d23 11339 u32 nvcfg1, protect = 0;
d3c7b886
MC		 11340
11341 nvcfg1 = tr32(NVRAM_CFG1);
11342
11343 /* NVRAM protection for TPM */
989a9d23 11344 if (nvcfg1 & (1 << 27)) {
f66a29b0 11345 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
989a9d23
MC		 11346 protect = 1;
11347 }
d3c7b886 11348
989a9d23
MC		 11349 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11350 switch (nvcfg1) {
8590a603
MC		 11351 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11352 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11353 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11354 case FLASH_5755VENDOR_ATMEL_FLASH_5:
11355 tp->nvram_jedecnum = JEDEC_ATMEL;
11356 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11357 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11358 tp->nvram_pagesize = 264;
11359 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11360 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11361 tp->nvram_size = (protect ? 0x3e200 :
11362 TG3_NVRAM_SIZE_512KB);
11363 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11364 tp->nvram_size = (protect ? 0x1f200 :
11365 TG3_NVRAM_SIZE_256KB);
11366 else
11367 tp->nvram_size = (protect ? 0x1f200 :
11368 TG3_NVRAM_SIZE_128KB);
11369 break;
11370 case FLASH_5752VENDOR_ST_M45PE10:
11371 case FLASH_5752VENDOR_ST_M45PE20:
11372 case FLASH_5752VENDOR_ST_M45PE40:
11373 tp->nvram_jedecnum = JEDEC_ST;
11374 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11375 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11376 tp->nvram_pagesize = 256;
11377 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11378 tp->nvram_size = (protect ?
11379 TG3_NVRAM_SIZE_64KB :
11380 TG3_NVRAM_SIZE_128KB);
11381 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11382 tp->nvram_size = (protect ?
11383 TG3_NVRAM_SIZE_64KB :
11384 TG3_NVRAM_SIZE_256KB);
11385 else
11386 tp->nvram_size = (protect ?
11387 TG3_NVRAM_SIZE_128KB :
11388 TG3_NVRAM_SIZE_512KB);
11389 break;
d3c7b886
MC		 11390 }
11391}
11392
1b27777a
MC		 11393static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11394{
11395 u32 nvcfg1;
11396
11397 nvcfg1 = tr32(NVRAM_CFG1);
11398
11399 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 11400 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11401 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11402 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11403 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11404 tp->nvram_jedecnum = JEDEC_ATMEL;
11405 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11406 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
1b27777a 11407
8590a603
MC		 11408 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11409 tw32(NVRAM_CFG1, nvcfg1);
11410 break;
11411 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11412 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11413 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11414 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11415 tp->nvram_jedecnum = JEDEC_ATMEL;
11416 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11417 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11418 tp->nvram_pagesize = 264;
11419 break;
11420 case FLASH_5752VENDOR_ST_M45PE10:
11421 case FLASH_5752VENDOR_ST_M45PE20:
11422 case FLASH_5752VENDOR_ST_M45PE40:
11423 tp->nvram_jedecnum = JEDEC_ST;
11424 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11425 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11426 tp->nvram_pagesize = 256;
11427 break;
1b27777a
MC		 11428 }
11429}
11430
6b91fa02
MC		 11431static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11432{
11433 u32 nvcfg1, protect = 0;
11434
11435 nvcfg1 = tr32(NVRAM_CFG1);
11436
11437 /* NVRAM protection for TPM */
11438 if (nvcfg1 & (1 << 27)) {
f66a29b0 11439 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
6b91fa02
MC		 11440 protect = 1;
11441 }
11442
11443 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11444 switch (nvcfg1) {
8590a603
MC		 11445 case FLASH_5761VENDOR_ATMEL_ADB021D:
11446 case FLASH_5761VENDOR_ATMEL_ADB041D:
11447 case FLASH_5761VENDOR_ATMEL_ADB081D:
11448 case FLASH_5761VENDOR_ATMEL_ADB161D:
11449 case FLASH_5761VENDOR_ATMEL_MDB021D:
11450 case FLASH_5761VENDOR_ATMEL_MDB041D:
11451 case FLASH_5761VENDOR_ATMEL_MDB081D:
11452 case FLASH_5761VENDOR_ATMEL_MDB161D:
11453 tp->nvram_jedecnum = JEDEC_ATMEL;
11454 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11455 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11456 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11457 tp->nvram_pagesize = 256;
11458 break;
11459 case FLASH_5761VENDOR_ST_A_M45PE20:
11460 case FLASH_5761VENDOR_ST_A_M45PE40:
11461 case FLASH_5761VENDOR_ST_A_M45PE80:
11462 case FLASH_5761VENDOR_ST_A_M45PE16:
11463 case FLASH_5761VENDOR_ST_M_M45PE20:
11464 case FLASH_5761VENDOR_ST_M_M45PE40:
11465 case FLASH_5761VENDOR_ST_M_M45PE80:
11466 case FLASH_5761VENDOR_ST_M_M45PE16:
11467 tp->nvram_jedecnum = JEDEC_ST;
11468 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11469 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11470 tp->nvram_pagesize = 256;
11471 break;
6b91fa02
MC		 11472 }
11473
11474 if (protect) {
11475 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11476 } else {
11477 switch (nvcfg1) {
8590a603
MC		 11478 case FLASH_5761VENDOR_ATMEL_ADB161D:
11479 case FLASH_5761VENDOR_ATMEL_MDB161D:
11480 case FLASH_5761VENDOR_ST_A_M45PE16:
11481 case FLASH_5761VENDOR_ST_M_M45PE16:
11482 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11483 break;
11484 case FLASH_5761VENDOR_ATMEL_ADB081D:
11485 case FLASH_5761VENDOR_ATMEL_MDB081D:
11486 case FLASH_5761VENDOR_ST_A_M45PE80:
11487 case FLASH_5761VENDOR_ST_M_M45PE80:
11488 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11489 break;
11490 case FLASH_5761VENDOR_ATMEL_ADB041D:
11491 case FLASH_5761VENDOR_ATMEL_MDB041D:
11492 case FLASH_5761VENDOR_ST_A_M45PE40:
11493 case FLASH_5761VENDOR_ST_M_M45PE40:
11494 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11495 break;
11496 case FLASH_5761VENDOR_ATMEL_ADB021D:
11497 case FLASH_5761VENDOR_ATMEL_MDB021D:
11498 case FLASH_5761VENDOR_ST_A_M45PE20:
11499 case FLASH_5761VENDOR_ST_M_M45PE20:
11500 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11501 break;
6b91fa02
MC		 11502 }
11503 }
11504}
11505
b5d3772c
MC		 11506static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11507{
11508 tp->nvram_jedecnum = JEDEC_ATMEL;
11509 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11510 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11511}
11512
321d32a0
MC		 11513static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11514{
11515 u32 nvcfg1;
11516
11517 nvcfg1 = tr32(NVRAM_CFG1);
11518
11519 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11520 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11521 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11522 tp->nvram_jedecnum = JEDEC_ATMEL;
11523 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11524 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11525
11526 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11527 tw32(NVRAM_CFG1, nvcfg1);
11528 return;
11529 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11530 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11531 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11532 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11533 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11534 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11535 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11536 tp->nvram_jedecnum = JEDEC_ATMEL;
11537 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11538 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11539
11540 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11541 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11542 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11543 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11544 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11545 break;
11546 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11547 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11548 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11549 break;
11550 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11551 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11552 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11553 break;
11554 }
11555 break;
11556 case FLASH_5752VENDOR_ST_M45PE10:
11557 case FLASH_5752VENDOR_ST_M45PE20:
11558 case FLASH_5752VENDOR_ST_M45PE40:
11559 tp->nvram_jedecnum = JEDEC_ST;
11560 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11561 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11562
11563 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11564 case FLASH_5752VENDOR_ST_M45PE10:
11565 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11566 break;
11567 case FLASH_5752VENDOR_ST_M45PE20:
11568 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11569 break;
11570 case FLASH_5752VENDOR_ST_M45PE40:
11571 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11572 break;
11573 }
11574 break;
11575 default:
df259d8c 11576 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
321d32a0
MC		 11577 return;
11578 }
11579
a1b950d5
MC		 11580 tg3_nvram_get_pagesize(tp, nvcfg1);
11581 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
321d32a0 11582 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
a1b950d5
MC		 11583}
11584
11585
11586static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11587{
11588 u32 nvcfg1;
11589
11590 nvcfg1 = tr32(NVRAM_CFG1);
11591
11592 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11593 case FLASH_5717VENDOR_ATMEL_EEPROM:
11594 case FLASH_5717VENDOR_MICRO_EEPROM:
11595 tp->nvram_jedecnum = JEDEC_ATMEL;
11596 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11597 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11598
11599 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11600 tw32(NVRAM_CFG1, nvcfg1);
11601 return;
11602 case FLASH_5717VENDOR_ATMEL_MDB011D:
11603 case FLASH_5717VENDOR_ATMEL_ADB011B:
11604 case FLASH_5717VENDOR_ATMEL_ADB011D:
11605 case FLASH_5717VENDOR_ATMEL_MDB021D:
11606 case FLASH_5717VENDOR_ATMEL_ADB021B:
11607 case FLASH_5717VENDOR_ATMEL_ADB021D:
11608 case FLASH_5717VENDOR_ATMEL_45USPT:
11609 tp->nvram_jedecnum = JEDEC_ATMEL;
11610 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11611 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11612
11613 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11614 case FLASH_5717VENDOR_ATMEL_MDB021D:
11615 case FLASH_5717VENDOR_ATMEL_ADB021B:
11616 case FLASH_5717VENDOR_ATMEL_ADB021D:
11617 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11618 break;
11619 default:
11620 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11621 break;
11622 }
321d32a0 11623 break;
a1b950d5
MC		 11624 case FLASH_5717VENDOR_ST_M_M25PE10:
11625 case FLASH_5717VENDOR_ST_A_M25PE10:
11626 case FLASH_5717VENDOR_ST_M_M45PE10:
11627 case FLASH_5717VENDOR_ST_A_M45PE10:
11628 case FLASH_5717VENDOR_ST_M_M25PE20:
11629 case FLASH_5717VENDOR_ST_A_M25PE20:
11630 case FLASH_5717VENDOR_ST_M_M45PE20:
11631 case FLASH_5717VENDOR_ST_A_M45PE20:
11632 case FLASH_5717VENDOR_ST_25USPT:
11633 case FLASH_5717VENDOR_ST_45USPT:
11634 tp->nvram_jedecnum = JEDEC_ST;
11635 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11636 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11637
11638 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11639 case FLASH_5717VENDOR_ST_M_M25PE20:
11640 case FLASH_5717VENDOR_ST_A_M25PE20:
11641 case FLASH_5717VENDOR_ST_M_M45PE20:
11642 case FLASH_5717VENDOR_ST_A_M45PE20:
11643 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11644 break;
11645 default:
11646 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11647 break;
11648 }
321d32a0 11649 break;
a1b950d5
MC		 11650 default:
11651 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11652 return;
321d32a0 11653 }
a1b950d5
MC		 11654
11655 tg3_nvram_get_pagesize(tp, nvcfg1);
11656 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11657 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
321d32a0
MC		 11658}
11659
1da177e4
LT		 11660/* Chips other than 5700/5701 use the NVRAM for fetching info. */
11661static void __devinit tg3_nvram_init(struct tg3 *tp)
11662{
1da177e4
LT		 11663 tw32_f(GRC_EEPROM_ADDR,
11664 (EEPROM_ADDR_FSM_RESET |
11665 (EEPROM_DEFAULT_CLOCK_PERIOD <<
11666 EEPROM_ADDR_CLKPERD_SHIFT)));
11667
9d57f01c 11668 msleep(1);
1da177e4
LT		 11669
11670 /* Enable seeprom accesses. */
11671 tw32_f(GRC_LOCAL_CTRL,
11672 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11673 udelay(100);
11674
11675 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11676 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11677 tp->tg3_flags |= TG3_FLAG_NVRAM;
11678
ec41c7df
MC		 11679 if (tg3_nvram_lock(tp)) {
11680 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
11681 "tg3_nvram_init failed.\n", tp->dev->name);
11682 return;
11683 }
e6af301b 11684 tg3_enable_nvram_access(tp);
1da177e4 11685
989a9d23
MC		 11686 tp->nvram_size = 0;
11687
361b4ac2
MC		 11688 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11689 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 11690 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11691 tg3_get_5755_nvram_info(tp);
d30cdd28 11692 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
57e6983c
MC		 11693 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11694 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1b27777a 11695 tg3_get_5787_nvram_info(tp);
6b91fa02
MC		 11696 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11697 tg3_get_5761_nvram_info(tp);
b5d3772c
MC		 11698 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11699 tg3_get_5906_nvram_info(tp);
321d32a0
MC		 11700 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11701 tg3_get_57780_nvram_info(tp);
a1b950d5
MC		 11702 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11703 tg3_get_5717_nvram_info(tp);
361b4ac2
MC		 11704 else
11705 tg3_get_nvram_info(tp);
11706
989a9d23
MC		 11707 if (tp->nvram_size == 0)
11708 tg3_get_nvram_size(tp);
1da177e4 11709
e6af301b 11710 tg3_disable_nvram_access(tp);
381291b7 11711 tg3_nvram_unlock(tp);
1da177e4
LT		 11712
11713 } else {
11714 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11715
11716 tg3_get_eeprom_size(tp);
11717 }
11718}
11719
1da177e4
LT		 11720static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11721 u32 offset, u32 len, u8 *buf)
11722{
11723 int i, j, rc = 0;
11724 u32 val;
11725
11726 for (i = 0; i < len; i += 4) {
b9fc7dc5 11727 u32 addr;
a9dc529d 11728 __be32 data;
1da177e4
LT		 11729
11730 addr = offset + i;
11731
11732 memcpy(&data, buf + i, 4);
11733
62cedd11
MC		 11734 /*
11735 * The SEEPROM interface expects the data to always be opposite
11736 * the native endian format. We accomplish this by reversing
11737 * all the operations that would have been performed on the
11738 * data from a call to tg3_nvram_read_be32().
11739 */
11740 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
1da177e4
LT		 11741
11742 val = tr32(GRC_EEPROM_ADDR);
11743 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11744
11745 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11746 EEPROM_ADDR_READ);
11747 tw32(GRC_EEPROM_ADDR, val |
11748 (0 << EEPROM_ADDR_DEVID_SHIFT) |
11749 (addr & EEPROM_ADDR_ADDR_MASK) |
11750 EEPROM_ADDR_START |
11751 EEPROM_ADDR_WRITE);
6aa20a22 11752
9d57f01c 11753 for (j = 0; j < 1000; j++) {
1da177e4
LT		 11754 val = tr32(GRC_EEPROM_ADDR);
11755
11756 if (val & EEPROM_ADDR_COMPLETE)
11757 break;
9d57f01c 11758 msleep(1);
1da177e4
LT		 11759 }
11760 if (!(val & EEPROM_ADDR_COMPLETE)) {
11761 rc = -EBUSY;
11762 break;
11763 }
11764 }
11765
11766 return rc;
11767}
11768
11769/* offset and length are dword aligned */
11770static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11771 u8 *buf)
11772{
11773 int ret = 0;
11774 u32 pagesize = tp->nvram_pagesize;
11775 u32 pagemask = pagesize - 1;
11776 u32 nvram_cmd;
11777 u8 *tmp;
11778
11779 tmp = kmalloc(pagesize, GFP_KERNEL);
11780 if (tmp == NULL)
11781 return -ENOMEM;
11782
11783 while (len) {
11784 int j;
e6af301b 11785 u32 phy_addr, page_off, size;
1da177e4
LT		 11786
11787 phy_addr = offset & ~pagemask;
6aa20a22 11788
1da177e4 11789 for (j = 0; j < pagesize; j += 4) {
a9dc529d
MC		 11790 ret = tg3_nvram_read_be32(tp, phy_addr + j,
11791 (__be32 *) (tmp + j));
11792 if (ret)
1da177e4
LT		 11793 break;
11794 }
11795 if (ret)
11796 break;
11797
11798 page_off = offset & pagemask;
11799 size = pagesize;
11800 if (len < size)
11801 size = len;
11802
11803 len -= size;
11804
11805 memcpy(tmp + page_off, buf, size);
11806
11807 offset = offset + (pagesize - page_off);
11808
e6af301b 11809 tg3_enable_nvram_access(tp);
1da177e4
LT		 11810
11811 /*
11812 * Before we can erase the flash page, we need
11813 * to issue a special "write enable" command.
11814 */
11815 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11816
11817 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11818 break;
11819
11820 /* Erase the target page */
11821 tw32(NVRAM_ADDR, phy_addr);
11822
11823 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11824 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11825
11826 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11827 break;
11828
11829 /* Issue another write enable to start the write. */
11830 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11831
11832 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11833 break;
11834
11835 for (j = 0; j < pagesize; j += 4) {
b9fc7dc5 11836 __be32 data;
1da177e4 11837
b9fc7dc5 11838 data = *((__be32 *) (tmp + j));
a9dc529d 11839
b9fc7dc5 11840 tw32(NVRAM_WRDATA, be32_to_cpu(data));
1da177e4
LT		 11841
11842 tw32(NVRAM_ADDR, phy_addr + j);
11843
11844 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11845 NVRAM_CMD_WR;
11846
11847 if (j == 0)
11848 nvram_cmd |= NVRAM_CMD_FIRST;
11849 else if (j == (pagesize - 4))
11850 nvram_cmd |= NVRAM_CMD_LAST;
11851
11852 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11853 break;
11854 }
11855 if (ret)
11856 break;
11857 }
11858
11859 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11860 tg3_nvram_exec_cmd(tp, nvram_cmd);
11861
11862 kfree(tmp);
11863
11864 return ret;
11865}
11866
11867/* offset and length are dword aligned */
11868static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11869 u8 *buf)
11870{
11871 int i, ret = 0;
11872
11873 for (i = 0; i < len; i += 4, offset += 4) {
b9fc7dc5
AV		 11874 u32 page_off, phy_addr, nvram_cmd;
11875 __be32 data;
1da177e4
LT		 11876
11877 memcpy(&data, buf + i, 4);
b9fc7dc5 11878 tw32(NVRAM_WRDATA, be32_to_cpu(data));
1da177e4
LT		 11879
11880 page_off = offset % tp->nvram_pagesize;
11881
1820180b 11882 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 11883
11884 tw32(NVRAM_ADDR, phy_addr);
11885
11886 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11887
11888 if ((page_off == 0) || (i == 0))
11889 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 11890 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 11891 nvram_cmd |= NVRAM_CMD_LAST;
11892
11893 if (i == (len - 4))
11894 nvram_cmd |= NVRAM_CMD_LAST;
11895
321d32a0
MC		 11896 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11897 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
4c987487
MC		 11898 (tp->nvram_jedecnum == JEDEC_ST) &&
11899 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 11900
11901 if ((ret = tg3_nvram_exec_cmd(tp,
11902 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11903 NVRAM_CMD_DONE)))
11904
11905 break;
11906 }
11907 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11908 /* We always do complete word writes to eeprom. */
11909 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11910 }
11911
11912 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11913 break;
11914 }
11915 return ret;
11916}
11917
11918/* offset and length are dword aligned */
11919static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11920{
11921 int ret;
11922
1da177e4 11923 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 11924 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11925 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 11926 udelay(40);
11927 }
11928
11929 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11930 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11931 }
11932 else {
11933 u32 grc_mode;
11934
ec41c7df
MC		 11935 ret = tg3_nvram_lock(tp);
11936 if (ret)
11937 return ret;
1da177e4 11938
e6af301b
MC		 11939 tg3_enable_nvram_access(tp);
11940 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 11941 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
1da177e4 11942 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 11943
11944 grc_mode = tr32(GRC_MODE);
11945 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11946
11947 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11948 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11949
11950 ret = tg3_nvram_write_block_buffered(tp, offset, len,
11951 buf);
11952 }
11953 else {
11954 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11955 buf);
11956 }
11957
11958 grc_mode = tr32(GRC_MODE);
11959 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11960
e6af301b 11961 tg3_disable_nvram_access(tp);
1da177e4
LT		 11962 tg3_nvram_unlock(tp);
11963 }
11964
11965 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 11966 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 11967 udelay(40);
11968 }
11969
11970 return ret;
11971}
11972
11973struct subsys_tbl_ent {
11974 u16 subsys_vendor, subsys_devid;
11975 u32 phy_id;
11976};
11977
11978static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
11979 /* Broadcom boards. */
11980 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
11981 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
11982 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
11983 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
11984 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
11985 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
11986 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
11987 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
11988 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
11989 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
11990 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
11991
11992 /* 3com boards. */
11993 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
11994 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
11995 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
11996 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
11997 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
11998
11999 /* DELL boards. */
12000 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
12001 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
12002 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
12003 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
12004
12005 /* Compaq boards. */
12006 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
12007 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
12008 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
12009 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
12010 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
12011
12012 /* IBM boards. */
12013 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
12014};
12015
12016static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
12017{
12018 int i;
12019
12020 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12021 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12022 tp->pdev->subsystem_vendor) &&
12023 (subsys_id_to_phy_id[i].subsys_devid ==
12024 tp->pdev->subsystem_device))
12025 return &subsys_id_to_phy_id[i];
12026 }
12027 return NULL;
12028}
12029
7d0c41ef 12030static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 12031{
1da177e4 12032 u32 val;
caf636c7
MC		 12033 u16 pmcsr;
12034
12035 /* On some early chips the SRAM cannot be accessed in D3hot state,
12036 * so need make sure we're in D0.
12037 */
12038 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12039 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12040 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12041 msleep(1);
7d0c41ef
MC		 12042
12043 /* Make sure register accesses (indirect or otherwise)
12044 * will function correctly.
12045 */
12046 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12047 tp->misc_host_ctrl);
1da177e4 12048
f49639e6
DM		 12049 /* The memory arbiter has to be enabled in order for SRAM accesses
12050 * to succeed. Normally on powerup the tg3 chip firmware will make
12051 * sure it is enabled, but other entities such as system netboot
12052 * code might disable it.
12053 */
12054 val = tr32(MEMARB_MODE);
12055 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12056
1da177e4 12057 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 12058 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12059
a85feb8c
GZ		 12060 /* Assume an onboard device and WOL capable by default. */
12061 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
72b845e0 12062
b5d3772c 12063 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 12064 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 12065 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 12066 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12067 }
0527ba35
MC		 12068 val = tr32(VCPU_CFGSHDW);
12069 if (val & VCPU_CFGSHDW_ASPM_DBNC)
8ed5d97e 12070 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
0527ba35 12071 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
2023276e 12072 (val & VCPU_CFGSHDW_WOL_MAGPKT))
0527ba35 12073 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
05ac4cb7 12074 goto done;
b5d3772c
MC		 12075 }
12076
1da177e4
LT		 12077 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12078 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12079 u32 nic_cfg, led_cfg;
a9daf367 12080 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
7d0c41ef 12081 int eeprom_phy_serdes = 0;
1da177e4
LT		 12082
12083 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12084 tp->nic_sram_data_cfg = nic_cfg;
12085
12086 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12087 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12088 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12089 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12090 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12091 (ver > 0) && (ver < 0x100))
12092 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12093
a9daf367
MC		 12094 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12095 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12096
1da177e4
LT		 12097 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12098 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12099 eeprom_phy_serdes = 1;
12100
12101 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12102 if (nic_phy_id != 0) {
12103 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12104 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12105
12106 eeprom_phy_id = (id1 >> 16) << 10;
12107 eeprom_phy_id |= (id2 & 0xfc00) << 16;
12108 eeprom_phy_id |= (id2 & 0x03ff) << 0;
12109 } else
12110 eeprom_phy_id = 0;
12111
7d0c41ef 12112 tp->phy_id = eeprom_phy_id;
747e8f8b 12113 if (eeprom_phy_serdes) {
a4e2b347 12114 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 12115 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
12116 else
12117 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12118 }
7d0c41ef 12119
cbf46853 12120 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 12121 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12122 SHASTA_EXT_LED_MODE_MASK);
cbf46853 12123 else
1da177e4
LT		 12124 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12125
12126 switch (led_cfg) {
12127 default:
12128 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12129 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12130 break;
12131
12132 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12133 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12134 break;
12135
12136 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12137 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 12138
12139 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12140 * read on some older 5700/5701 bootcode.
12141 */
12142 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12143 ASIC_REV_5700 ||
12144 GET_ASIC_REV(tp->pci_chip_rev_id) ==
12145 ASIC_REV_5701)
12146 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12147
1da177e4
LT		 12148 break;
12149
12150 case SHASTA_EXT_LED_SHARED:
12151 tp->led_ctrl = LED_CTRL_MODE_SHARED;
12152 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12153 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12154 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12155 LED_CTRL_MODE_PHY_2);
12156 break;
12157
12158 case SHASTA_EXT_LED_MAC:
12159 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12160 break;
12161
12162 case SHASTA_EXT_LED_COMBO:
12163 tp->led_ctrl = LED_CTRL_MODE_COMBO;
12164 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12165 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12166 LED_CTRL_MODE_PHY_2);
12167 break;
12168
855e1111 12169 }
1da177e4
LT		 12170
12171 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12172 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12173 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12174 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12175
b2a5c19c
MC		 12176 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12177 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
5f60891b 12178
9d26e213 12179 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 12180 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 12181 if ((tp->pdev->subsystem_vendor ==
12182 PCI_VENDOR_ID_ARIMA) &&
12183 (tp->pdev->subsystem_device == 0x205a ||
12184 tp->pdev->subsystem_device == 0x2063))
12185 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12186 } else {
f49639e6 12187 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 12188 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12189 }
1da177e4
LT		 12190
12191 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12192 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 12193 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 12194 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12195 }
b2b98d4a
MC		 12196
12197 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12198 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
0d3031d9 12199 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
b2b98d4a 12200
a85feb8c
GZ		 12201 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
12202 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12203 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
1da177e4 12204
12dac075 12205 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
05ac4cb7 12206 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
0527ba35
MC		 12207 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12208
1da177e4
LT		 12209 if (cfg2 & (1 << 17))
12210 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
12211
12212 /* serdes signal pre-emphasis in register 0x590 set by */
12213 /* bootcode if bit 18 is set */
12214 if (cfg2 & (1 << 18))
12215 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
8ed5d97e 12216
321d32a0
MC		 12217 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12218 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
6833c043
MC		 12219 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12220 tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
12221
8ed5d97e
MC		 12222 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12223 u32 cfg3;
12224
12225 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12226 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12227 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12228 }
a9daf367
MC		 12229
12230 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
12231 tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
12232 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12233 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12234 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12235 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
1da177e4 12236 }
05ac4cb7
MC		 12237done:
12238 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12239 device_set_wakeup_enable(&tp->pdev->dev,
12240 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
7d0c41ef
MC		 12241}
12242
b2a5c19c
MC		 12243static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12244{
12245 int i;
12246 u32 val;
12247
12248 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12249 tw32(OTP_CTRL, cmd);
12250
12251 /* Wait for up to 1 ms for command to execute. */
12252 for (i = 0; i < 100; i++) {
12253 val = tr32(OTP_STATUS);
12254 if (val & OTP_STATUS_CMD_DONE)
12255 break;
12256 udelay(10);
12257 }
12258
12259 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12260}
12261
12262/* Read the gphy configuration from the OTP region of the chip. The gphy
12263 * configuration is a 32-bit value that straddles the alignment boundary.
12264 * We do two 32-bit reads and then shift and merge the results.
12265 */
12266static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12267{
12268 u32 bhalf_otp, thalf_otp;
12269
12270 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12271
12272 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12273 return 0;
12274
12275 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12276
12277 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12278 return 0;
12279
12280 thalf_otp = tr32(OTP_READ_DATA);
12281
12282 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12283
12284 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12285 return 0;
12286
12287 bhalf_otp = tr32(OTP_READ_DATA);
12288
12289 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12290}
12291
7d0c41ef
MC		 12292static int __devinit tg3_phy_probe(struct tg3 *tp)
12293{
12294 u32 hw_phy_id_1, hw_phy_id_2;
12295 u32 hw_phy_id, hw_phy_id_masked;
12296 int err;
1da177e4 12297
b02fd9e3
MC		 12298 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12299 return tg3_phy_init(tp);
12300
1da177e4 12301 /* Reading the PHY ID register can conflict with ASF
877d0310 12302 * firmware access to the PHY hardware.
1da177e4
LT		 12303 */
12304 err = 0;
0d3031d9
MC		 12305 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12306 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
1da177e4
LT		 12307 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
12308 } else {
12309 /* Now read the physical PHY_ID from the chip and verify
12310 * that it is sane. If it doesn't look good, we fall back
12311 * to either the hard-coded table based PHY_ID and failing
12312 * that the value found in the eeprom area.
12313 */
12314 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12315 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12316
12317 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
12318 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12319 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
12320
12321 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
12322 }
12323
12324 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
12325 tp->phy_id = hw_phy_id;
12326 if (hw_phy_id_masked == PHY_ID_BCM8002)
12327 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 12328 else
12329 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 12330 } else {
7d0c41ef
MC		 12331 if (tp->phy_id != PHY_ID_INVALID) {
12332 /* Do nothing, phy ID already set up in
12333 * tg3_get_eeprom_hw_cfg().
12334 */
1da177e4
LT		 12335 } else {
12336 struct subsys_tbl_ent *p;
12337
12338 /* No eeprom signature? Try the hardcoded
12339 * subsys device table.
12340 */
12341 p = lookup_by_subsys(tp);
12342 if (!p)
12343 return -ENODEV;
12344
12345 tp->phy_id = p->phy_id;
12346 if (!tp->phy_id ||
12347 tp->phy_id == PHY_ID_BCM8002)
12348 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12349 }
12350 }
12351
747e8f8b 12352 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
0d3031d9 12353 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
1da177e4 12354 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 12355 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 12356
12357 tg3_readphy(tp, MII_BMSR, &bmsr);
12358 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12359 (bmsr & BMSR_LSTATUS))
12360 goto skip_phy_reset;
6aa20a22 12361
1da177e4
LT		 12362 err = tg3_phy_reset(tp);
12363 if (err)
12364 return err;
12365
12366 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12367 ADVERTISE_100HALF | ADVERTISE_100FULL |
12368 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12369 tg3_ctrl = 0;
12370 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12371 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12372 MII_TG3_CTRL_ADV_1000_FULL);
12373 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12374 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12375 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12376 MII_TG3_CTRL_ENABLE_AS_MASTER);
12377 }
12378
3600d918
MC		 12379 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12380 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12381 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12382 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 12383 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12384
12385 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12386 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12387
12388 tg3_writephy(tp, MII_BMCR,
12389 BMCR_ANENABLE | BMCR_ANRESTART);
12390 }
12391 tg3_phy_set_wirespeed(tp);
12392
12393 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12394 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12395 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12396 }
12397
12398skip_phy_reset:
12399 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
12400 err = tg3_init_5401phy_dsp(tp);
12401 if (err)
12402 return err;
12403 }
12404
12405 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
12406 err = tg3_init_5401phy_dsp(tp);
12407 }
12408
747e8f8b 12409 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 12410 tp->link_config.advertising =
12411 (ADVERTISED_1000baseT_Half |
12412 ADVERTISED_1000baseT_Full |
12413 ADVERTISED_Autoneg |
12414 ADVERTISED_FIBRE);
12415 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12416 tp->link_config.advertising &=
12417 ~(ADVERTISED_1000baseT_Half |
12418 ADVERTISED_1000baseT_Full);
12419
12420 return err;
12421}
12422
12423static void __devinit tg3_read_partno(struct tg3 *tp)
12424{
6d348f2c 12425 unsigned char vpd_data[256]; /* in little-endian format */
af2c6a4a 12426 unsigned int i;
1b27777a 12427 u32 magic;
1da177e4 12428
df259d8c
MC		 12429 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12430 tg3_nvram_read(tp, 0x0, &magic))
f49639e6 12431 goto out_not_found;
1da177e4 12432
1820180b 12433 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 12434 for (i = 0; i < 256; i += 4) {
12435 u32 tmp;
1da177e4 12436
6d348f2c
MC		 12437 /* The data is in little-endian format in NVRAM.
12438 * Use the big-endian read routines to preserve
12439 * the byte order as it exists in NVRAM.
12440 */
12441 if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
1b27777a
MC		 12442 goto out_not_found;
12443
6d348f2c 12444 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
1b27777a
MC		 12445 }
12446 } else {
12447 int vpd_cap;
12448
12449 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
12450 for (i = 0; i < 256; i += 4) {
12451 u32 tmp, j = 0;
b9fc7dc5 12452 __le32 v;
1b27777a
MC		 12453 u16 tmp16;
12454
12455 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
12456 i);
12457 while (j++ < 100) {
12458 pci_read_config_word(tp->pdev, vpd_cap +
12459 PCI_VPD_ADDR, &tmp16);
12460 if (tmp16 & 0x8000)
12461 break;
12462 msleep(1);
12463 }
f49639e6
DM		 12464 if (!(tmp16 & 0x8000))
12465 goto out_not_found;
12466
1b27777a
MC		 12467 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
12468 &tmp);
b9fc7dc5 12469 v = cpu_to_le32(tmp);
6d348f2c 12470 memcpy(&vpd_data[i], &v, sizeof(v));
1b27777a 12471 }
1da177e4
LT		 12472 }
12473
12474 /* Now parse and find the part number. */
af2c6a4a 12475 for (i = 0; i < 254; ) {
1da177e4 12476 unsigned char val = vpd_data[i];
af2c6a4a 12477 unsigned int block_end;
1da177e4
LT		 12478
12479 if (val == 0x82 || val == 0x91) {
12480 i = (i + 3 +
12481 (vpd_data[i + 1] +
12482 (vpd_data[i + 2] << 8)));
12483 continue;
12484 }
12485
12486 if (val != 0x90)
12487 goto out_not_found;
12488
12489 block_end = (i + 3 +
12490 (vpd_data[i + 1] +
12491 (vpd_data[i + 2] << 8)));
12492 i += 3;
af2c6a4a
MC		 12493
12494 if (block_end > 256)
12495 goto out_not_found;
12496
12497 while (i < (block_end - 2)) {
1da177e4
LT		 12498 if (vpd_data[i + 0] == 'P' &&
12499 vpd_data[i + 1] == 'N') {
12500 int partno_len = vpd_data[i + 2];
12501
af2c6a4a
MC		 12502 i += 3;
12503 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 12504 goto out_not_found;
12505
12506 memcpy(tp->board_part_number,
af2c6a4a 12507 &vpd_data[i], partno_len);
1da177e4
LT		 12508
12509 /* Success. */
12510 return;
12511 }
af2c6a4a 12512 i += 3 + vpd_data[i + 2];
1da177e4
LT		 12513 }
12514
12515 /* Part number not found. */
12516 goto out_not_found;
12517 }
12518
12519out_not_found:
b5d3772c
MC		 12520 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12521 strcpy(tp->board_part_number, "BCM95906");
df259d8c
MC		 12522 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12523 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12524 strcpy(tp->board_part_number, "BCM57780");
12525 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12526 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12527 strcpy(tp->board_part_number, "BCM57760");
12528 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12529 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12530 strcpy(tp->board_part_number, "BCM57790");
5e7ccf20
MC		 12531 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12532 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12533 strcpy(tp->board_part_number, "BCM57788");
b5d3772c
MC		 12534 else
12535 strcpy(tp->board_part_number, "none");
1da177e4
LT		 12536}
12537
9c8a620e
MC		 12538static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12539{
12540 u32 val;
12541
e4f34110 12542 if (tg3_nvram_read(tp, offset, &val) ||
9c8a620e 12543 (val & 0xfc000000) != 0x0c000000 ||
e4f34110 12544 tg3_nvram_read(tp, offset + 4, &val) ||
9c8a620e
MC		 12545 val != 0)
12546 return 0;
12547
12548 return 1;
12549}
12550
acd9c119
MC		 12551static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12552{
ff3a7cb2 12553 u32 val, offset, start, ver_offset;
acd9c119 12554 int i;
ff3a7cb2 12555 bool newver = false;
acd9c119
MC		 12556
12557 if (tg3_nvram_read(tp, 0xc, &offset) ||
12558 tg3_nvram_read(tp, 0x4, &start))
12559 return;
12560
12561 offset = tg3_nvram_logical_addr(tp, offset);
12562
ff3a7cb2 12563 if (tg3_nvram_read(tp, offset, &val))
acd9c119
MC		 12564 return;
12565
ff3a7cb2
MC		 12566 if ((val & 0xfc000000) == 0x0c000000) {
12567 if (tg3_nvram_read(tp, offset + 4, &val))
acd9c119
MC		 12568 return;
12569
ff3a7cb2
MC		 12570 if (val == 0)
12571 newver = true;
12572 }
12573
12574 if (newver) {
12575 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12576 return;
12577
12578 offset = offset + ver_offset - start;
12579 for (i = 0; i < 16; i += 4) {
12580 __be32 v;
12581 if (tg3_nvram_read_be32(tp, offset + i, &v))
12582 return;
12583
12584 memcpy(tp->fw_ver + i, &v, sizeof(v));
12585 }
12586 } else {
12587 u32 major, minor;
12588
12589 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12590 return;
12591
12592 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12593 TG3_NVM_BCVER_MAJSFT;
12594 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12595 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
acd9c119
MC		 12596 }
12597}
12598
a6f6cb1c
MC		 12599static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12600{
12601 u32 val, major, minor;
12602
12603 /* Use native endian representation */
12604 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12605 return;
12606
12607 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12608 TG3_NVM_HWSB_CFG1_MAJSFT;
12609 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12610 TG3_NVM_HWSB_CFG1_MINSFT;
12611
12612 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12613}
12614
dfe00d7d
MC		 12615static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12616{
12617 u32 offset, major, minor, build;
12618
12619 tp->fw_ver[0] = 's';
12620 tp->fw_ver[1] = 'b';
12621 tp->fw_ver[2] = '\0';
12622
12623 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12624 return;
12625
12626 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12627 case TG3_EEPROM_SB_REVISION_0:
12628 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12629 break;
12630 case TG3_EEPROM_SB_REVISION_2:
12631 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12632 break;
12633 case TG3_EEPROM_SB_REVISION_3:
12634 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12635 break;
12636 default:
12637 return;
12638 }
12639
e4f34110 12640 if (tg3_nvram_read(tp, offset, &val))
dfe00d7d
MC		 12641 return;
12642
12643 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12644 TG3_EEPROM_SB_EDH_BLD_SHFT;
12645 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12646 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12647 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
12648
12649 if (minor > 99 || build > 26)
12650 return;
12651
12652 snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12653
12654 if (build > 0) {
12655 tp->fw_ver[8] = 'a' + build - 1;
12656 tp->fw_ver[9] = '\0';
12657 }
12658}
12659
acd9c119 12660static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
c4e6575c
MC		 12661{
12662 u32 val, offset, start;
acd9c119 12663 int i, vlen;
9c8a620e
MC		 12664
12665 for (offset = TG3_NVM_DIR_START;
12666 offset < TG3_NVM_DIR_END;
12667 offset += TG3_NVM_DIRENT_SIZE) {
e4f34110 12668 if (tg3_nvram_read(tp, offset, &val))
c4e6575c
MC		 12669 return;
12670
9c8a620e
MC		 12671 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12672 break;
12673 }
12674
12675 if (offset == TG3_NVM_DIR_END)
12676 return;
12677
12678 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12679 start = 0x08000000;
e4f34110 12680 else if (tg3_nvram_read(tp, offset - 4, &start))
9c8a620e
MC		 12681 return;
12682
e4f34110 12683 if (tg3_nvram_read(tp, offset + 4, &offset) ||
9c8a620e 12684 !tg3_fw_img_is_valid(tp, offset) ||
e4f34110 12685 tg3_nvram_read(tp, offset + 8, &val))
9c8a620e
MC		 12686 return;
12687
12688 offset += val - start;
12689
acd9c119 12690 vlen = strlen(tp->fw_ver);
9c8a620e 12691
acd9c119
MC		 12692 tp->fw_ver[vlen++] = ',';
12693 tp->fw_ver[vlen++] = ' ';
9c8a620e
MC		 12694
12695 for (i = 0; i < 4; i++) {
a9dc529d
MC		 12696 __be32 v;
12697 if (tg3_nvram_read_be32(tp, offset, &v))
c4e6575c
MC		 12698 return;
12699
b9fc7dc5 12700 offset += sizeof(v);
c4e6575c 12701
acd9c119
MC		 12702 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12703 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
9c8a620e 12704 break;
c4e6575c 12705 }
9c8a620e 12706
acd9c119
MC		 12707 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12708 vlen += sizeof(v);
c4e6575c 12709 }
acd9c119
MC		 12710}
12711
7fd76445
MC		 12712static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12713{
12714 int vlen;
12715 u32 apedata;
12716
12717 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12718 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
12719 return;
12720
12721 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12722 if (apedata != APE_SEG_SIG_MAGIC)
12723 return;
12724
12725 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12726 if (!(apedata & APE_FW_STATUS_READY))
12727 return;
12728
12729 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12730
12731 vlen = strlen(tp->fw_ver);
12732
12733 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12734 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12735 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12736 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12737 (apedata & APE_FW_VERSION_BLDMSK));
12738}
12739
acd9c119
MC		 12740static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12741{
12742 u32 val;
12743
df259d8c
MC		 12744 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12745 tp->fw_ver[0] = 's';
12746 tp->fw_ver[1] = 'b';
12747 tp->fw_ver[2] = '\0';
12748
12749 return;
12750 }
12751
acd9c119
MC		 12752 if (tg3_nvram_read(tp, 0, &val))
12753 return;
12754
12755 if (val == TG3_EEPROM_MAGIC)
12756 tg3_read_bc_ver(tp);
12757 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12758 tg3_read_sb_ver(tp, val);
a6f6cb1c
MC		 12759 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12760 tg3_read_hwsb_ver(tp);
acd9c119
MC		 12761 else
12762 return;
12763
12764 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12765 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12766 return;
12767
12768 tg3_read_mgmtfw_ver(tp);
9c8a620e
MC		 12769
12770 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
c4e6575c
MC		 12771}
12772
7544b097
MC		 12773static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12774
1da177e4
LT		 12775static int __devinit tg3_get_invariants(struct tg3 *tp)
12776{
12777 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 12778 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12779 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 12780 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12781 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 12782 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12783 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 12784 { },
12785 };
12786 u32 misc_ctrl_reg;
1da177e4
LT		 12787 u32 pci_state_reg, grc_misc_cfg;
12788 u32 val;
12789 u16 pci_cmd;
5e7dfd0f 12790 int err;
1da177e4 12791
1da177e4
LT		 12792 /* Force memory write invalidate off. If we leave it on,
12793 * then on 5700_BX chips we have to enable a workaround.
12794 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12795 * to match the cacheline size. The Broadcom driver have this
12796 * workaround but turns MWI off all the times so never uses
12797 * it. This seems to suggest that the workaround is insufficient.
12798 */
12799 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12800 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12801 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12802
12803 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12804 * has the register indirect write enable bit set before
12805 * we try to access any of the MMIO registers. It is also
12806 * critical that the PCI-X hw workaround situation is decided
12807 * before that as well.
12808 */
12809 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12810 &misc_ctrl_reg);
12811
12812 tp->pci_chip_rev_id = (misc_ctrl_reg >>
12813 MISC_HOST_CTRL_CHIPREV_SHIFT);
795d01c5
MC		 12814 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12815 u32 prod_id_asic_rev;
12816
5001e2f6
MC		 12817 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12818 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12819 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
f6eb9b1f
MC		 12820 pci_read_config_dword(tp->pdev,
12821 TG3PCI_GEN2_PRODID_ASICREV,
12822 &prod_id_asic_rev);
12823 else
12824 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12825 &prod_id_asic_rev);
12826
321d32a0 12827 tp->pci_chip_rev_id = prod_id_asic_rev;
795d01c5 12828 }
1da177e4 12829
ff645bec
MC		 12830 /* Wrong chip ID in 5752 A0. This code can be removed later
12831 * as A0 is not in production.
12832 */
12833 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12834 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12835
6892914f
MC		 12836 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12837 * we need to disable memory and use config. cycles
12838 * only to access all registers. The 5702/03 chips
12839 * can mistakenly decode the special cycles from the
12840 * ICH chipsets as memory write cycles, causing corruption
12841 * of register and memory space. Only certain ICH bridges
12842 * will drive special cycles with non-zero data during the
12843 * address phase which can fall within the 5703's address
12844 * range. This is not an ICH bug as the PCI spec allows
12845 * non-zero address during special cycles. However, only
12846 * these ICH bridges are known to drive non-zero addresses
12847 * during special cycles.
12848 *
12849 * Since special cycles do not cross PCI bridges, we only
12850 * enable this workaround if the 5703 is on the secondary
12851 * bus of these ICH bridges.
12852 */
12853 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12854 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12855 static struct tg3_dev_id {
12856 u32 vendor;
12857 u32 device;
12858 u32 rev;
12859 } ich_chipsets[] = {
12860 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12861 PCI_ANY_ID },
12862 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12863 PCI_ANY_ID },
12864 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12865 0xa },
12866 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12867 PCI_ANY_ID },
12868 { },
12869 };
12870 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12871 struct pci_dev *bridge = NULL;
12872
12873 while (pci_id->vendor != 0) {
12874 bridge = pci_get_device(pci_id->vendor, pci_id->device,
12875 bridge);
12876 if (!bridge) {
12877 pci_id++;
12878 continue;
12879 }
12880 if (pci_id->rev != PCI_ANY_ID) {
44c10138 12881 if (bridge->revision > pci_id->rev)
6892914f
MC		 12882 continue;
12883 }
12884 if (bridge->subordinate &&
12885 (bridge->subordinate->number ==
12886 tp->pdev->bus->number)) {
12887
12888 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12889 pci_dev_put(bridge);
12890 break;
12891 }
12892 }
12893 }
12894
41588ba1
MC		 12895 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12896 static struct tg3_dev_id {
12897 u32 vendor;
12898 u32 device;
12899 } bridge_chipsets[] = {
12900 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12901 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12902 { },
12903 };
12904 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12905 struct pci_dev *bridge = NULL;
12906
12907 while (pci_id->vendor != 0) {
12908 bridge = pci_get_device(pci_id->vendor,
12909 pci_id->device,
12910 bridge);
12911 if (!bridge) {
12912 pci_id++;
12913 continue;
12914 }
12915 if (bridge->subordinate &&
12916 (bridge->subordinate->number <=
12917 tp->pdev->bus->number) &&
12918 (bridge->subordinate->subordinate >=
12919 tp->pdev->bus->number)) {
12920 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12921 pci_dev_put(bridge);
12922 break;
12923 }
12924 }
12925 }
12926
4a29cc2e
MC		 12927 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12928 * DMA addresses > 40-bit. This bridge may have other additional
12929 * 57xx devices behind it in some 4-port NIC designs for example.
12930 * Any tg3 device found behind the bridge will also need the 40-bit
12931 * DMA workaround.
12932 */
a4e2b347
MC		 12933 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12934 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12935 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 12936 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 12937 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 12938 }
4a29cc2e
MC		 12939 else {
12940 struct pci_dev *bridge = NULL;
12941
12942 do {
12943 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12944 PCI_DEVICE_ID_SERVERWORKS_EPB,
12945 bridge);
12946 if (bridge && bridge->subordinate &&
12947 (bridge->subordinate->number <=
12948 tp->pdev->bus->number) &&
12949 (bridge->subordinate->subordinate >=
12950 tp->pdev->bus->number)) {
12951 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12952 pci_dev_put(bridge);
12953 break;
12954 }
12955 } while (bridge);
12956 }
4cf78e4f 12957
1da177e4
LT		 12958 /* Initialize misc host control in PCI block. */
12959 tp->misc_host_ctrl |= (misc_ctrl_reg &
12960 MISC_HOST_CTRL_CHIPREV);
12961 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12962 tp->misc_host_ctrl);
12963
f6eb9b1f
MC		 12964 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
12965 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
12966 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7544b097
MC		 12967 tp->pdev_peer = tg3_find_peer(tp);
12968
321d32a0
MC		 12969 /* Intentionally exclude ASIC_REV_5906 */
12970 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 12971 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
d30cdd28 12972 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9936bcf6 12973 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c 12974 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
f6eb9b1f
MC		 12975 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12976 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
321d32a0
MC		 12977 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
12978
12979 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12980 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
b5d3772c 12981 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
321d32a0 12982 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
a4e2b347 12983 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 12984 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
12985
1b440c56
JL		 12986 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
12987 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12988 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
12989
027455ad
MC		 12990 /* 5700 B0 chips do not support checksumming correctly due
12991 * to hardware bugs.
12992 */
12993 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
12994 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
12995 else {
12996 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12997 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12998 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
12999 tp->dev->features |= NETIF_F_IPV6_CSUM;
13000 }
13001
507399f1 13002 /* Determine TSO capabilities */
e849cdc3
MC		 13003 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13004 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13005 else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13006 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
507399f1
MC		 13007 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13008 else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13009 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13010 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13011 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13012 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13013 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13014 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13015 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13016 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13017 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13018 tp->fw_needed = FIRMWARE_TG3TSO5;
13019 else
13020 tp->fw_needed = FIRMWARE_TG3TSO;
13021 }
13022
13023 tp->irq_max = 1;
13024
5a6f3074 13025 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7544b097
MC		 13026 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13027 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13028 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13029 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13030 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13031 tp->pdev_peer == tp->pdev))
13032 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13033
321d32a0 13034 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
b5d3772c 13035 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
fcfa0a32 13036 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83 13037 }
4f125f42 13038
507399f1
MC		 13039 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13040 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13041 tp->irq_max = TG3_IRQ_MAX_VECS;
13042 }
f6eb9b1f 13043 }
0e1406dd 13044
615774fe
MC		 13045 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13046 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13047 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13048 else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13049 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13050 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
0e1406dd 13051 }
f6eb9b1f 13052
f51f3562 13053 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
f6eb9b1f
MC		 13054 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13055 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
8f666b07 13056 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
0f893dc6 13057
52f4490c
MC		 13058 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13059 &pci_state_reg);
13060
5e7dfd0f
MC		 13061 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13062 if (tp->pcie_cap != 0) {
13063 u16 lnkctl;
13064
1da177e4 13065 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
5f5c51e3
MC		 13066
13067 pcie_set_readrq(tp->pdev, 4096);
13068
5e7dfd0f
MC		 13069 pci_read_config_word(tp->pdev,
13070 tp->pcie_cap + PCI_EXP_LNKCTL,
13071 &lnkctl);
13072 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13073 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
c7835a77 13074 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
5e7dfd0f 13075 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
321d32a0 13076 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9cf74ebb
MC		 13077 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13078 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
5e7dfd0f 13079 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
c7835a77 13080 }
52f4490c 13081 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
fcb389df 13082 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
52f4490c
MC		 13083 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13084 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13085 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13086 if (!tp->pcix_cap) {
13087 printk(KERN_ERR PFX "Cannot find PCI-X "
13088 "capability, aborting.\n");
13089 return -EIO;
13090 }
13091
13092 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13093 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13094 }
1da177e4 13095
399de50b
MC		 13096 /* If we have an AMD 762 or VIA K8T800 chipset, write
13097 * reordering to the mailbox registers done by the host
13098 * controller can cause major troubles. We read back from
13099 * every mailbox register write to force the writes to be
13100 * posted to the chip in order.
13101 */
13102 if (pci_dev_present(write_reorder_chipsets) &&
13103 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13104 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13105
69fc4053
MC		 13106 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13107 &tp->pci_cacheline_sz);
13108 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13109 &tp->pci_lat_timer);
1da177e4
LT		 13110 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13111 tp->pci_lat_timer < 64) {
13112 tp->pci_lat_timer = 64;
69fc4053
MC		 13113 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13114 tp->pci_lat_timer);
1da177e4
LT		 13115 }
13116
52f4490c
MC		 13117 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13118 /* 5700 BX chips need to have their TX producer index
13119 * mailboxes written twice to workaround a bug.
13120 */
13121 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
1da177e4 13122
52f4490c 13123 /* If we are in PCI-X mode, enable register write workaround.
1da177e4
LT		 13124 *
13125 * The workaround is to use indirect register accesses
13126 * for all chip writes not to mailbox registers.
13127 */
52f4490c 13128 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
1da177e4 13129 u32 pm_reg;
1da177e4
LT		 13130
13131 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13132
13133 /* The chip can have it's power management PCI config
13134 * space registers clobbered due to this bug.
13135 * So explicitly force the chip into D0 here.
13136 */
9974a356
MC		 13137 pci_read_config_dword(tp->pdev,
13138 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 13139 &pm_reg);
13140 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13141 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
9974a356
MC		 13142 pci_write_config_dword(tp->pdev,
13143 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 13144 pm_reg);
13145
13146 /* Also, force SERR#/PERR# in PCI command. */
13147 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13148 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13149 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13150 }
13151 }
13152
1da177e4
LT		 13153 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13154 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13155 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13156 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13157
13158 /* Chip-specific fixup from Broadcom driver */
13159 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13160 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13161 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13162 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13163 }
13164
1ee582d8 13165 /* Default fast path register access methods */
20094930 13166 tp->read32 = tg3_read32;
1ee582d8 13167 tp->write32 = tg3_write32;
09ee929c 13168 tp->read32_mbox = tg3_read32;
20094930 13169 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 13170 tp->write32_tx_mbox = tg3_write32;
13171 tp->write32_rx_mbox = tg3_write32;
13172
13173 /* Various workaround register access methods */
13174 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13175 tp->write32 = tg3_write_indirect_reg32;
98efd8a6
MC		 13176 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13177 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13178 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13179 /*
13180 * Back to back register writes can cause problems on these
13181 * chips, the workaround is to read back all reg writes
13182 * except those to mailbox regs.
13183 *
13184 * See tg3_write_indirect_reg32().
13185 */
1ee582d8 13186 tp->write32 = tg3_write_flush_reg32;
98efd8a6
MC		 13187 }
13188
1ee582d8
MC		 13189 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13190 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13191 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13192 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13193 tp->write32_rx_mbox = tg3_write_flush_reg32;
13194 }
20094930 13195
6892914f
MC		 13196 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13197 tp->read32 = tg3_read_indirect_reg32;
13198 tp->write32 = tg3_write_indirect_reg32;
13199 tp->read32_mbox = tg3_read_indirect_mbox;
13200 tp->write32_mbox = tg3_write_indirect_mbox;
13201 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13202 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13203
13204 iounmap(tp->regs);
22abe310 13205 tp->regs = NULL;
6892914f
MC		 13206
13207 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13208 pci_cmd &= ~PCI_COMMAND_MEMORY;
13209 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13210 }
b5d3772c
MC		 13211 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13212 tp->read32_mbox = tg3_read32_mbox_5906;
13213 tp->write32_mbox = tg3_write32_mbox_5906;
13214 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13215 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13216 }
6892914f 13217
bbadf503
MC		 13218 if (tp->write32 == tg3_write_indirect_reg32 ||
13219 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13220 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 13221 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 13222 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13223
7d0c41ef 13224 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 13225 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 13226 * determined before calling tg3_set_power_state() so that
13227 * we know whether or not to switch out of Vaux power.
13228 * When the flag is set, it means that GPIO1 is used for eeprom
13229 * write protect and also implies that it is a LOM where GPIOs
13230 * are not used to switch power.
6aa20a22 13231 */
7d0c41ef
MC		 13232 tg3_get_eeprom_hw_cfg(tp);
13233
0d3031d9
MC		 13234 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13235 /* Allow reads and writes to the
13236 * APE register and memory space.
13237 */
13238 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13239 PCISTATE_ALLOW_APE_SHMEM_WR;
13240 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13241 pci_state_reg);
13242 }
13243
9936bcf6 13244 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
57e6983c 13245 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
321d32a0 13246 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
f6eb9b1f
MC		 13247 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13248 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
d30cdd28
MC		 13249 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13250
314fba34
MC		 13251 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13252 * GPIO1 driven high will bring 5700's external PHY out of reset.
13253 * It is also used as eeprom write protect on LOMs.
13254 */
13255 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13256 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13257 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13258 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13259 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 13260 /* Unused GPIO3 must be driven as output on 5752 because there
13261 * are no pull-up resistors on unused GPIO pins.
13262 */
13263 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13264 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 13265
321d32a0
MC		 13266 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13267 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
af36e6b6
MC		 13268 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13269
8d519ab2
MC		 13270 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13271 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
5f0c4a3c
MC		 13272 /* Turn off the debug UART. */
13273 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13274 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13275 /* Keep VMain power. */
13276 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13277 GRC_LCLCTRL_GPIO_OUTPUT0;
13278 }
13279
1da177e4 13280 /* Force the chip into D0. */
bc1c7567 13281 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 13282 if (err) {
13283 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
13284 pci_name(tp->pdev));
13285 return err;
13286 }
13287
1da177e4
LT		 13288 /* Derive initial jumbo mode from MTU assigned in
13289 * ether_setup() via the alloc_etherdev() call
13290 */
0f893dc6 13291 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 13292 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 13293 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 13294
13295 /* Determine WakeOnLan speed to use. */
13296 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13297 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13298 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13299 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13300 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13301 } else {
13302 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13303 }
13304
7f97a4bd
MC		 13305 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13306 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13307
1da177e4
LT		 13308 /* A few boards don't want Ethernet@WireSpeed phy feature */
13309 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13310 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13311 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 13312 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
7f97a4bd 13313 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
747e8f8b 13314 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 13315 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13316
13317 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13318 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13319 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13320 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13321 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13322
321d32a0 13323 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7f97a4bd 13324 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
321d32a0 13325 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
f6eb9b1f
MC		 13326 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13327 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
c424cb24 13328 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 13329 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 13330 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13331 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
d4011ada
MC		 13332 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13333 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13334 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 13335 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13336 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
321d32a0 13337 } else
c424cb24
MC		 13338 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13339 }
1da177e4 13340
b2a5c19c
MC		 13341 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13342 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13343 tp->phy_otp = tg3_read_otp_phycfg(tp);
13344 if (tp->phy_otp == 0)
13345 tp->phy_otp = TG3_OTP_DEFAULT;
13346 }
13347
f51f3562 13348 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
8ef21428
MC		 13349 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13350 else
13351 tp->mi_mode = MAC_MI_MODE_BASE;
13352
1da177e4 13353 tp->coalesce_mode = 0;
1da177e4
LT		 13354 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13355 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13356 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13357
321d32a0
MC		 13358 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13359 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
57e6983c
MC		 13360 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13361
158d7abd
MC		 13362 err = tg3_mdio_init(tp);
13363 if (err)
13364 return err;
1da177e4
LT		 13365
13366 /* Initialize data/descriptor byte/word swapping. */
13367 val = tr32(GRC_MODE);
13368 val &= GRC_MODE_HOST_STACKUP;
13369 tw32(GRC_MODE, val | tp->grc_mode);
13370
13371 tg3_switch_clocks(tp);
13372
13373 /* Clear this out for sanity. */
13374 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13375
13376 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13377 &pci_state_reg);
13378 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13379 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13380 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13381
13382 if (chiprevid == CHIPREV_ID_5701_A0 ||
13383 chiprevid == CHIPREV_ID_5701_B0 ||
13384 chiprevid == CHIPREV_ID_5701_B2 ||
13385 chiprevid == CHIPREV_ID_5701_B5) {
13386 void __iomem *sram_base;
13387
13388 /* Write some dummy words into the SRAM status block
13389 * area, see if it reads back correctly. If the return
13390 * value is bad, force enable the PCIX workaround.
13391 */
13392 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13393
13394 writel(0x00000000, sram_base);
13395 writel(0x00000000, sram_base + 4);
13396 writel(0xffffffff, sram_base + 4);
13397 if (readl(sram_base) != 0x00000000)
13398 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13399 }
13400 }
13401
13402 udelay(50);
13403 tg3_nvram_init(tp);
13404
13405 grc_misc_cfg = tr32(GRC_MISC_CFG);
13406 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13407
1da177e4
LT		 13408 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13409 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13410 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13411 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13412
fac9b83e
DM		 13413 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13414 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13415 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13416 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13417 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13418 HOSTCC_MODE_CLRTICK_TXBD);
13419
13420 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13421 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13422 tp->misc_host_ctrl);
13423 }
13424
3bda1258
MC		 13425 /* Preserve the APE MAC_MODE bits */
13426 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13427 tp->mac_mode = tr32(MAC_MODE) |
13428 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13429 else
13430 tp->mac_mode = TG3_DEF_MAC_MODE;
13431
1da177e4
LT		 13432 /* these are limited to 10/100 only */
13433 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13434 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13435 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13436 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13437 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13438 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13439 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13440 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13441 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 13442 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13443 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
321d32a0 13444 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
7f97a4bd 13445 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
1da177e4
LT		 13446 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13447
13448 err = tg3_phy_probe(tp);
13449 if (err) {
13450 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
13451 pci_name(tp->pdev), err);
13452 /* ... but do not return immediately ... */
b02fd9e3 13453 tg3_mdio_fini(tp);
1da177e4
LT		 13454 }
13455
13456 tg3_read_partno(tp);
c4e6575c 13457 tg3_read_fw_ver(tp);
1da177e4
LT		 13458
13459 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13460 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13461 } else {
13462 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13463 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13464 else
13465 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13466 }
13467
13468 /* 5700 {AX,BX} chips have a broken status block link
13469 * change bit implementation, so we must use the
13470 * status register in those cases.
13471 */
13472 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13473 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13474 else
13475 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13476
13477 /* The led_ctrl is set during tg3_phy_probe, here we might
13478 * have to force the link status polling mechanism based
13479 * upon subsystem IDs.
13480 */
13481 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
007a880d 13482 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
1da177e4
LT		 13483 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13484 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13485 TG3_FLAG_USE_LINKCHG_REG);
13486 }
13487
13488 /* For all SERDES we poll the MAC status register. */
13489 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13490 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13491 else
13492 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13493
ad829268 13494 tp->rx_offset = NET_IP_ALIGN;
1da177e4
LT		 13495 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13496 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13497 tp->rx_offset = 0;
13498
f92905de
MC		 13499 tp->rx_std_max_post = TG3_RX_RING_SIZE;
13500
13501 /* Increment the rx prod index on the rx std ring by at most
13502 * 8 for these chips to workaround hw errata.
13503 */
13504 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13505 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13506 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13507 tp->rx_std_max_post = 8;
13508
8ed5d97e
MC		 13509 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13510 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13511 PCIE_PWR_MGMT_L1_THRESH_MSK;
13512
1da177e4
LT		 13513 return err;
13514}
13515
49b6e95f 13516#ifdef CONFIG_SPARC
1da177e4
LT		 13517static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13518{
13519 struct net_device *dev = tp->dev;
13520 struct pci_dev *pdev = tp->pdev;
49b6e95f 13521 struct device_node *dp = pci_device_to_OF_node(pdev);
374d4cac 13522 const unsigned char *addr;
49b6e95f
DM		 13523 int len;
13524
13525 addr = of_get_property(dp, "local-mac-address", &len);
13526 if (addr && len == 6) {
13527 memcpy(dev->dev_addr, addr, 6);
13528 memcpy(dev->perm_addr, dev->dev_addr, 6);
13529 return 0;
1da177e4
LT		 13530 }
13531 return -ENODEV;
13532}
13533
13534static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13535{
13536 struct net_device *dev = tp->dev;
13537
13538 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 13539 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 13540 return 0;
13541}
13542#endif
13543
13544static int __devinit tg3_get_device_address(struct tg3 *tp)
13545{
13546 struct net_device *dev = tp->dev;
13547 u32 hi, lo, mac_offset;
008652b3 13548 int addr_ok = 0;
1da177e4 13549
49b6e95f 13550#ifdef CONFIG_SPARC
1da177e4
LT		 13551 if (!tg3_get_macaddr_sparc(tp))
13552 return 0;
13553#endif
13554
13555 mac_offset = 0x7c;
f49639e6 13556 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 13557 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 13558 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13559 mac_offset = 0xcc;
13560 if (tg3_nvram_lock(tp))
13561 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13562 else
13563 tg3_nvram_unlock(tp);
a1b950d5
MC		 13564 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13565 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13566 mac_offset = 0xcc;
13567 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
b5d3772c 13568 mac_offset = 0x10;
1da177e4
LT		 13569
13570 /* First try to get it from MAC address mailbox. */
13571 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13572 if ((hi >> 16) == 0x484b) {
13573 dev->dev_addr[0] = (hi >> 8) & 0xff;
13574 dev->dev_addr[1] = (hi >> 0) & 0xff;
13575
13576 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13577 dev->dev_addr[2] = (lo >> 24) & 0xff;
13578 dev->dev_addr[3] = (lo >> 16) & 0xff;
13579 dev->dev_addr[4] = (lo >> 8) & 0xff;
13580 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 13581
008652b3
MC		 13582 /* Some old bootcode may report a 0 MAC address in SRAM */
13583 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13584 }
13585 if (!addr_ok) {
13586 /* Next, try NVRAM. */
df259d8c
MC		 13587 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13588 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
6d348f2c 13589 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
62cedd11
MC		 13590 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13591 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
008652b3
MC		 13592 }
13593 /* Finally just fetch it out of the MAC control regs. */
13594 else {
13595 hi = tr32(MAC_ADDR_0_HIGH);
13596 lo = tr32(MAC_ADDR_0_LOW);
13597
13598 dev->dev_addr[5] = lo & 0xff;
13599 dev->dev_addr[4] = (lo >> 8) & 0xff;
13600 dev->dev_addr[3] = (lo >> 16) & 0xff;
13601 dev->dev_addr[2] = (lo >> 24) & 0xff;
13602 dev->dev_addr[1] = hi & 0xff;
13603 dev->dev_addr[0] = (hi >> 8) & 0xff;
13604 }
1da177e4
LT		 13605 }
13606
13607 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
7582a335 13608#ifdef CONFIG_SPARC
1da177e4
LT		 13609 if (!tg3_get_default_macaddr_sparc(tp))
13610 return 0;
13611#endif
13612 return -EINVAL;
13613 }
2ff43697 13614 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 13615 return 0;
13616}
13617
59e6b434
DM		 13618#define BOUNDARY_SINGLE_CACHELINE 1
13619#define BOUNDARY_MULTI_CACHELINE 2
13620
13621static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13622{
13623 int cacheline_size;
13624 u8 byte;
13625 int goal;
13626
13627 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13628 if (byte == 0)
13629 cacheline_size = 1024;
13630 else
13631 cacheline_size = (int) byte * 4;
13632
13633 /* On 5703 and later chips, the boundary bits have no
13634 * effect.
13635 */
13636 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13637 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13638 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13639 goto out;
13640
13641#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13642 goal = BOUNDARY_MULTI_CACHELINE;
13643#else
13644#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13645 goal = BOUNDARY_SINGLE_CACHELINE;
13646#else
13647 goal = 0;
13648#endif
13649#endif
13650
cbf9ca6c
MC		 13651 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13652 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13653 goto out;
13654 }
13655
59e6b434
DM		 13656 if (!goal)
13657 goto out;
13658
13659 /* PCI controllers on most RISC systems tend to disconnect
13660 * when a device tries to burst across a cache-line boundary.
13661 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13662 *
13663 * Unfortunately, for PCI-E there are only limited
13664 * write-side controls for this, and thus for reads
13665 * we will still get the disconnects. We'll also waste
13666 * these PCI cycles for both read and write for chips
13667 * other than 5700 and 5701 which do not implement the
13668 * boundary bits.
13669 */
13670 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13671 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13672 switch (cacheline_size) {
13673 case 16:
13674 case 32:
13675 case 64:
13676 case 128:
13677 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13678 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13679 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13680 } else {
13681 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13682 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13683 }
13684 break;
13685
13686 case 256:
13687 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13688 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13689 break;
13690
13691 default:
13692 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13693 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13694 break;
855e1111 13695 }
59e6b434
DM		 13696 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13697 switch (cacheline_size) {
13698 case 16:
13699 case 32:
13700 case 64:
13701 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13702 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13703 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13704 break;
13705 }
13706 /* fallthrough */
13707 case 128:
13708 default:
13709 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13710 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13711 break;
855e1111 13712 }
59e6b434
DM		 13713 } else {
13714 switch (cacheline_size) {
13715 case 16:
13716 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13717 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13718 DMA_RWCTRL_WRITE_BNDRY_16);
13719 break;
13720 }
13721 /* fallthrough */
13722 case 32:
13723 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13724 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13725 DMA_RWCTRL_WRITE_BNDRY_32);
13726 break;
13727 }
13728 /* fallthrough */
13729 case 64:
13730 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13731 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13732 DMA_RWCTRL_WRITE_BNDRY_64);
13733 break;
13734 }
13735 /* fallthrough */
13736 case 128:
13737 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13738 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13739 DMA_RWCTRL_WRITE_BNDRY_128);
13740 break;
13741 }
13742 /* fallthrough */
13743 case 256:
13744 val |= (DMA_RWCTRL_READ_BNDRY_256 |
13745 DMA_RWCTRL_WRITE_BNDRY_256);
13746 break;
13747 case 512:
13748 val |= (DMA_RWCTRL_READ_BNDRY_512 |
13749 DMA_RWCTRL_WRITE_BNDRY_512);
13750 break;
13751 case 1024:
13752 default:
13753 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13754 DMA_RWCTRL_WRITE_BNDRY_1024);
13755 break;
855e1111 13756 }
59e6b434
DM		 13757 }
13758
13759out:
13760 return val;
13761}
13762
1da177e4
LT		 13763static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13764{
13765 struct tg3_internal_buffer_desc test_desc;
13766 u32 sram_dma_descs;
13767 int i, ret;
13768
13769 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13770
13771 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13772 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13773 tw32(RDMAC_STATUS, 0);
13774 tw32(WDMAC_STATUS, 0);
13775
13776 tw32(BUFMGR_MODE, 0);
13777 tw32(FTQ_RESET, 0);
13778
13779 test_desc.addr_hi = ((u64) buf_dma) >> 32;
13780 test_desc.addr_lo = buf_dma & 0xffffffff;
13781 test_desc.nic_mbuf = 0x00002100;
13782 test_desc.len = size;
13783
13784 /*
13785 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13786 * the *second* time the tg3 driver was getting loaded after an
13787 * initial scan.
13788 *
13789 * Broadcom tells me:
13790 * ...the DMA engine is connected to the GRC block and a DMA
13791 * reset may affect the GRC block in some unpredictable way...
13792 * The behavior of resets to individual blocks has not been tested.
13793 *
13794 * Broadcom noted the GRC reset will also reset all sub-components.
13795 */
13796 if (to_device) {
13797 test_desc.cqid_sqid = (13 << 8) | 2;
13798
13799 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13800 udelay(40);
13801 } else {
13802 test_desc.cqid_sqid = (16 << 8) | 7;
13803
13804 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13805 udelay(40);
13806 }
13807 test_desc.flags = 0x00000005;
13808
13809 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13810 u32 val;
13811
13812 val = *(((u32 *)&test_desc) + i);
13813 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13814 sram_dma_descs + (i * sizeof(u32)));
13815 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13816 }
13817 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13818
13819 if (to_device) {
13820 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13821 } else {
13822 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13823 }
13824
13825 ret = -ENODEV;
13826 for (i = 0; i < 40; i++) {
13827 u32 val;
13828
13829 if (to_device)
13830 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13831 else
13832 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13833 if ((val & 0xffff) == sram_dma_descs) {
13834 ret = 0;
13835 break;
13836 }
13837
13838 udelay(100);
13839 }
13840
13841 return ret;
13842}
13843
ded7340d 13844#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 13845
13846static int __devinit tg3_test_dma(struct tg3 *tp)
13847{
13848 dma_addr_t buf_dma;
59e6b434 13849 u32 *buf, saved_dma_rwctrl;
cbf9ca6c 13850 int ret = 0;
1da177e4
LT		 13851
13852 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13853 if (!buf) {
13854 ret = -ENOMEM;
13855 goto out_nofree;
13856 }
13857
13858 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13859 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13860
59e6b434 13861 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4 13862
cbf9ca6c
MC		 13863 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13864 goto out;
13865
1da177e4
LT		 13866 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13867 /* DMA read watermark not used on PCIE */
13868 tp->dma_rwctrl |= 0x00180000;
13869 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 13870 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13871 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 13872 tp->dma_rwctrl |= 0x003f0000;
13873 else
13874 tp->dma_rwctrl |= 0x003f000f;
13875 } else {
13876 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13877 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13878 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 13879 u32 read_water = 0x7;
1da177e4 13880
4a29cc2e
MC		 13881 /* If the 5704 is behind the EPB bridge, we can
13882 * do the less restrictive ONE_DMA workaround for
13883 * better performance.
13884 */
13885 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13886 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13887 tp->dma_rwctrl |= 0x8000;
13888 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 13889 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13890
49afdeb6
MC		 13891 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13892 read_water = 4;
59e6b434 13893 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 13894 tp->dma_rwctrl |=
13895 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13896 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13897 (1 << 23);
4cf78e4f
MC		 13898 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13899 /* 5780 always in PCIX mode */
13900 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 13901 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13902 /* 5714 always in PCIX mode */
13903 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 13904 } else {
13905 tp->dma_rwctrl |= 0x001b000f;
13906 }
13907 }
13908
13909 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13910 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13911 tp->dma_rwctrl &= 0xfffffff0;
13912
13913 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13914 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13915 /* Remove this if it causes problems for some boards. */
13916 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13917
13918 /* On 5700/5701 chips, we need to set this bit.
13919 * Otherwise the chip will issue cacheline transactions
13920 * to streamable DMA memory with not all the byte
13921 * enables turned on. This is an error on several
13922 * RISC PCI controllers, in particular sparc64.
13923 *
13924 * On 5703/5704 chips, this bit has been reassigned
13925 * a different meaning. In particular, it is used
13926 * on those chips to enable a PCI-X workaround.
13927 */
13928 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
13929 }
13930
13931 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13932
13933#if 0
13934 /* Unneeded, already done by tg3_get_invariants. */
13935 tg3_switch_clocks(tp);
13936#endif
13937
1da177e4
LT		 13938 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13939 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
13940 goto out;
13941
59e6b434
DM		 13942 /* It is best to perform DMA test with maximum write burst size
13943 * to expose the 5700/5701 write DMA bug.
13944 */
13945 saved_dma_rwctrl = tp->dma_rwctrl;
13946 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13947 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13948
1da177e4
LT		 13949 while (1) {
13950 u32 *p = buf, i;
13951
13952 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
13953 p[i] = i;
13954
13955 /* Send the buffer to the chip. */
13956 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
13957 if (ret) {
13958 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
13959 break;
13960 }
13961
13962#if 0
13963 /* validate data reached card RAM correctly. */
13964 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13965 u32 val;
13966 tg3_read_mem(tp, 0x2100 + (i*4), &val);
13967 if (le32_to_cpu(val) != p[i]) {
13968 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
13969 /* ret = -ENODEV here? */
13970 }
13971 p[i] = 0;
13972 }
13973#endif
13974 /* Now read it back. */
13975 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
13976 if (ret) {
13977 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
13978
13979 break;
13980 }
13981
13982 /* Verify it. */
13983 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13984 if (p[i] == i)
13985 continue;
13986
59e6b434
DM		 13987 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13988 DMA_RWCTRL_WRITE_BNDRY_16) {
13989 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 13990 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13991 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13992 break;
13993 } else {
13994 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
13995 ret = -ENODEV;
13996 goto out;
13997 }
13998 }
13999
14000 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14001 /* Success. */
14002 ret = 0;
14003 break;
14004 }
14005 }
59e6b434
DM		 14006 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14007 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 14008 static struct pci_device_id dma_wait_state_chipsets[] = {
14009 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14010 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14011 { },
14012 };
14013
59e6b434 14014 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 14015 * now look for chipsets that are known to expose the
14016 * DMA bug without failing the test.
59e6b434 14017 */
6d1cfbab
MC		 14018 if (pci_dev_present(dma_wait_state_chipsets)) {
14019 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14020 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14021 }
14022 else
14023 /* Safe to use the calculated DMA boundary. */
14024 tp->dma_rwctrl = saved_dma_rwctrl;
14025
59e6b434
DM		 14026 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14027 }
1da177e4
LT		 14028
14029out:
14030 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14031out_nofree:
14032 return ret;
14033}
14034
14035static void __devinit tg3_init_link_config(struct tg3 *tp)
14036{
14037 tp->link_config.advertising =
14038 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14039 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14040 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14041 ADVERTISED_Autoneg | ADVERTISED_MII);
14042 tp->link_config.speed = SPEED_INVALID;
14043 tp->link_config.duplex = DUPLEX_INVALID;
14044 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 14045 tp->link_config.active_speed = SPEED_INVALID;
14046 tp->link_config.active_duplex = DUPLEX_INVALID;
14047 tp->link_config.phy_is_low_power = 0;
14048 tp->link_config.orig_speed = SPEED_INVALID;
14049 tp->link_config.orig_duplex = DUPLEX_INVALID;
14050 tp->link_config.orig_autoneg = AUTONEG_INVALID;
14051}
14052
14053static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14054{
f6eb9b1f
MC		 14055 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS &&
14056 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
fdfec172
MC		 14057 tp->bufmgr_config.mbuf_read_dma_low_water =
14058 DEFAULT_MB_RDMA_LOW_WATER_5705;
14059 tp->bufmgr_config.mbuf_mac_rx_low_water =
14060 DEFAULT_MB_MACRX_LOW_WATER_5705;
14061 tp->bufmgr_config.mbuf_high_water =
14062 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 14063 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14064 tp->bufmgr_config.mbuf_mac_rx_low_water =
14065 DEFAULT_MB_MACRX_LOW_WATER_5906;
14066 tp->bufmgr_config.mbuf_high_water =
14067 DEFAULT_MB_HIGH_WATER_5906;
14068 }
fdfec172
MC		 14069
14070 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14071 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14072 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14073 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14074 tp->bufmgr_config.mbuf_high_water_jumbo =
14075 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14076 } else {
14077 tp->bufmgr_config.mbuf_read_dma_low_water =
14078 DEFAULT_MB_RDMA_LOW_WATER;
14079 tp->bufmgr_config.mbuf_mac_rx_low_water =
14080 DEFAULT_MB_MACRX_LOW_WATER;
14081 tp->bufmgr_config.mbuf_high_water =
14082 DEFAULT_MB_HIGH_WATER;
14083
14084 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14085 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14086 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14087 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14088 tp->bufmgr_config.mbuf_high_water_jumbo =
14089 DEFAULT_MB_HIGH_WATER_JUMBO;
14090 }
1da177e4
LT		 14091
14092 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14093 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14094}
14095
14096static char * __devinit tg3_phy_string(struct tg3 *tp)
14097{
14098 switch (tp->phy_id & PHY_ID_MASK) {
14099 case PHY_ID_BCM5400: return "5400";
14100 case PHY_ID_BCM5401: return "5401";
14101 case PHY_ID_BCM5411: return "5411";
14102 case PHY_ID_BCM5701: return "5701";
14103 case PHY_ID_BCM5703: return "5703";
14104 case PHY_ID_BCM5704: return "5704";
14105 case PHY_ID_BCM5705: return "5705";
14106 case PHY_ID_BCM5750: return "5750";
85e94ced 14107 case PHY_ID_BCM5752: return "5752";
a4e2b347 14108 case PHY_ID_BCM5714: return "5714";
4cf78e4f 14109 case PHY_ID_BCM5780: return "5780";
af36e6b6 14110 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 14111 case PHY_ID_BCM5787: return "5787";
d30cdd28 14112 case PHY_ID_BCM5784: return "5784";
126a3368 14113 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 14114 case PHY_ID_BCM5906: return "5906";
9936bcf6 14115 case PHY_ID_BCM5761: return "5761";
c2060fe1 14116 case PHY_ID_BCM5717: return "5717";
1da177e4
LT		 14117 case PHY_ID_BCM8002: return "8002/serdes";
14118 case 0: return "serdes";
14119 default: return "unknown";
855e1111 14120 }
1da177e4
LT		 14121}
14122
f9804ddb
MC		 14123static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14124{
14125 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14126 strcpy(str, "PCI Express");
14127 return str;
14128 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14129 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14130
14131 strcpy(str, "PCIX:");
14132
14133 if ((clock_ctrl == 7) ||
14134 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14135 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14136 strcat(str, "133MHz");
14137 else if (clock_ctrl == 0)
14138 strcat(str, "33MHz");
14139 else if (clock_ctrl == 2)
14140 strcat(str, "50MHz");
14141 else if (clock_ctrl == 4)
14142 strcat(str, "66MHz");
14143 else if (clock_ctrl == 6)
14144 strcat(str, "100MHz");
f9804ddb
MC		 14145 } else {
14146 strcpy(str, "PCI:");
14147 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14148 strcat(str, "66MHz");
14149 else
14150 strcat(str, "33MHz");
14151 }
14152 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14153 strcat(str, ":32-bit");
14154 else
14155 strcat(str, ":64-bit");
14156 return str;
14157}
14158
8c2dc7e1 14159static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 14160{
14161 struct pci_dev *peer;
14162 unsigned int func, devnr = tp->pdev->devfn & ~7;
14163
14164 for (func = 0; func < 8; func++) {
14165 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14166 if (peer && peer != tp->pdev)
14167 break;
14168 pci_dev_put(peer);
14169 }
16fe9d74
MC		 14170 /* 5704 can be configured in single-port mode, set peer to
14171 * tp->pdev in that case.
14172 */
14173 if (!peer) {
14174 peer = tp->pdev;
14175 return peer;
14176 }
1da177e4
LT		 14177
14178 /*
14179 * We don't need to keep the refcount elevated; there's no way
14180 * to remove one half of this device without removing the other
14181 */
14182 pci_dev_put(peer);
14183
14184 return peer;
14185}
14186
15f9850d
DM		 14187static void __devinit tg3_init_coal(struct tg3 *tp)
14188{
14189 struct ethtool_coalesce *ec = &tp->coal;
14190
14191 memset(ec, 0, sizeof(*ec));
14192 ec->cmd = ETHTOOL_GCOALESCE;
14193 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14194 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14195 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14196 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14197 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14198 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14199 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14200 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14201 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14202
14203 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14204 HOSTCC_MODE_CLRTICK_TXBD)) {
14205 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14206 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14207 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14208 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14209 }
d244c892
MC		 14210
14211 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14212 ec->rx_coalesce_usecs_irq = 0;
14213 ec->tx_coalesce_usecs_irq = 0;
14214 ec->stats_block_coalesce_usecs = 0;
14215 }
15f9850d
DM		 14216}
14217
7c7d64b8
SH		 14218static const struct net_device_ops tg3_netdev_ops = {
14219 .ndo_open = tg3_open,
14220 .ndo_stop = tg3_close,
00829823
SH		 14221 .ndo_start_xmit = tg3_start_xmit,
14222 .ndo_get_stats = tg3_get_stats,
14223 .ndo_validate_addr = eth_validate_addr,
14224 .ndo_set_multicast_list = tg3_set_rx_mode,
14225 .ndo_set_mac_address = tg3_set_mac_addr,
14226 .ndo_do_ioctl = tg3_ioctl,
14227 .ndo_tx_timeout = tg3_tx_timeout,
14228 .ndo_change_mtu = tg3_change_mtu,
14229#if TG3_VLAN_TAG_USED
14230 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14231#endif
14232#ifdef CONFIG_NET_POLL_CONTROLLER
14233 .ndo_poll_controller = tg3_poll_controller,
14234#endif
14235};
14236
14237static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14238 .ndo_open = tg3_open,
14239 .ndo_stop = tg3_close,
14240 .ndo_start_xmit = tg3_start_xmit_dma_bug,
7c7d64b8
SH		 14241 .ndo_get_stats = tg3_get_stats,
14242 .ndo_validate_addr = eth_validate_addr,
14243 .ndo_set_multicast_list = tg3_set_rx_mode,
14244 .ndo_set_mac_address = tg3_set_mac_addr,
14245 .ndo_do_ioctl = tg3_ioctl,
14246 .ndo_tx_timeout = tg3_tx_timeout,
14247 .ndo_change_mtu = tg3_change_mtu,
14248#if TG3_VLAN_TAG_USED
14249 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14250#endif
14251#ifdef CONFIG_NET_POLL_CONTROLLER
14252 .ndo_poll_controller = tg3_poll_controller,
14253#endif
14254};
14255
1da177e4
LT		 14256static int __devinit tg3_init_one(struct pci_dev *pdev,
14257 const struct pci_device_id *ent)
14258{
14259 static int tg3_version_printed = 0;
1da177e4
LT		 14260 struct net_device *dev;
14261 struct tg3 *tp;
646c9edd
MC		 14262 int i, err, pm_cap;
14263 u32 sndmbx, rcvmbx, intmbx;
f9804ddb 14264 char str[40];
72f2afb8 14265 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 14266
14267 if (tg3_version_printed++ == 0)
14268 printk(KERN_INFO "%s", version);
14269
14270 err = pci_enable_device(pdev);
14271 if (err) {
14272 printk(KERN_ERR PFX "Cannot enable PCI device, "
14273 "aborting.\n");
14274 return err;
14275 }
14276
1da177e4
LT		 14277 err = pci_request_regions(pdev, DRV_MODULE_NAME);
14278 if (err) {
14279 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
14280 "aborting.\n");
14281 goto err_out_disable_pdev;
14282 }
14283
14284 pci_set_master(pdev);
14285
14286 /* Find power-management capability. */
14287 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14288 if (pm_cap == 0) {
14289 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
14290 "aborting.\n");
14291 err = -EIO;
14292 goto err_out_free_res;
14293 }
14294
fe5f5787 14295 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
1da177e4
LT		 14296 if (!dev) {
14297 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
14298 err = -ENOMEM;
14299 goto err_out_free_res;
14300 }
14301
1da177e4
LT		 14302 SET_NETDEV_DEV(dev, &pdev->dev);
14303
1da177e4
LT		 14304#if TG3_VLAN_TAG_USED
14305 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
1da177e4
LT		 14306#endif
14307
14308 tp = netdev_priv(dev);
14309 tp->pdev = pdev;
14310 tp->dev = dev;
14311 tp->pm_cap = pm_cap;
1da177e4
LT		 14312 tp->rx_mode = TG3_DEF_RX_MODE;
14313 tp->tx_mode = TG3_DEF_TX_MODE;
8ef21428 14314
1da177e4
LT		 14315 if (tg3_debug > 0)
14316 tp->msg_enable = tg3_debug;
14317 else
14318 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14319
14320 /* The word/byte swap controls here control register access byte
14321 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14322 * setting below.
14323 */
14324 tp->misc_host_ctrl =
14325 MISC_HOST_CTRL_MASK_PCI_INT |
14326 MISC_HOST_CTRL_WORD_SWAP |
14327 MISC_HOST_CTRL_INDIR_ACCESS |
14328 MISC_HOST_CTRL_PCISTATE_RW;
14329
14330 /* The NONFRM (non-frame) byte/word swap controls take effect
14331 * on descriptor entries, anything which isn't packet data.
14332 *
14333 * The StrongARM chips on the board (one for tx, one for rx)
14334 * are running in big-endian mode.
14335 */
14336 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14337 GRC_MODE_WSWAP_NONFRM_DATA);
14338#ifdef __BIG_ENDIAN
14339 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14340#endif
14341 spin_lock_init(&tp->lock);
1da177e4 14342 spin_lock_init(&tp->indirect_lock);
c4028958 14343 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4 14344
d5fe488a 14345 tp->regs = pci_ioremap_bar(pdev, BAR_0);
ab0049b4 14346 if (!tp->regs) {
1da177e4
LT		 14347 printk(KERN_ERR PFX "Cannot map device registers, "
14348 "aborting.\n");
14349 err = -ENOMEM;
14350 goto err_out_free_dev;
14351 }
14352
14353 tg3_init_link_config(tp);
14354
1da177e4
LT		 14355 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14356 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
1da177e4 14357
1da177e4 14358 dev->ethtool_ops = &tg3_ethtool_ops;
1da177e4 14359 dev->watchdog_timeo = TG3_TX_TIMEOUT;
1da177e4 14360 dev->irq = pdev->irq;
1da177e4
LT		 14361
14362 err = tg3_get_invariants(tp);
14363 if (err) {
14364 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
14365 "aborting.\n");
14366 goto err_out_iounmap;
14367 }
14368
615774fe
MC		 14369 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14370 tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
00829823
SH		 14371 dev->netdev_ops = &tg3_netdev_ops;
14372 else
14373 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14374
14375
4a29cc2e
MC		 14376 /* The EPB bridge inside 5714, 5715, and 5780 and any
14377 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 14378 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14379 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14380 * do DMA address check in tg3_start_xmit().
14381 */
4a29cc2e 14382 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
284901a9 14383 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
4a29cc2e 14384 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
50cf156a 14385 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
72f2afb8 14386#ifdef CONFIG_HIGHMEM
6a35528a 14387 dma_mask = DMA_BIT_MASK(64);
72f2afb8 14388#endif
4a29cc2e 14389 } else
6a35528a 14390 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
72f2afb8
MC		 14391
14392 /* Configure DMA attributes. */
284901a9 14393 if (dma_mask > DMA_BIT_MASK(32)) {
72f2afb8
MC		 14394 err = pci_set_dma_mask(pdev, dma_mask);
14395 if (!err) {
14396 dev->features |= NETIF_F_HIGHDMA;
14397 err = pci_set_consistent_dma_mask(pdev,
14398 persist_dma_mask);
14399 if (err < 0) {
14400 printk(KERN_ERR PFX "Unable to obtain 64 bit "
14401 "DMA for consistent allocations\n");
14402 goto err_out_iounmap;
14403 }
14404 }
14405 }
284901a9
YH		 14406 if (err || dma_mask == DMA_BIT_MASK(32)) {
14407 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
72f2afb8
MC		 14408 if (err) {
14409 printk(KERN_ERR PFX "No usable DMA configuration, "
14410 "aborting.\n");
14411 goto err_out_iounmap;
14412 }
14413 }
14414
fdfec172 14415 tg3_init_bufmgr_config(tp);
1da177e4 14416
507399f1
MC		 14417 /* Selectively allow TSO based on operating conditions */
14418 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14419 (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
1da177e4 14420 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
507399f1
MC		 14421 else {
14422 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14423 tp->fw_needed = NULL;
1da177e4 14424 }
507399f1
MC		 14425
14426 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14427 tp->fw_needed = FIRMWARE_TG3;
1da177e4 14428
4e3a7aaa
MC		 14429 /* TSO is on by default on chips that support hardware TSO.
14430 * Firmware TSO on older chips gives lower performance, so it
14431 * is off by default, but can be enabled using ethtool.
14432 */
e849cdc3
MC		 14433 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14434 (dev->features & NETIF_F_IP_CSUM))
14435 dev->features |= NETIF_F_TSO;
14436
14437 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14438 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14439 if (dev->features & NETIF_F_IPV6_CSUM)
b0026624 14440 dev->features |= NETIF_F_TSO6;
e849cdc3
MC		 14441 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14442 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c
MC		 14443 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14444 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
321d32a0 14445 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
e849cdc3 14446 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9936bcf6 14447 dev->features |= NETIF_F_TSO_ECN;
b0026624 14448 }
1da177e4 14449
1da177e4
LT		 14450 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14451 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14452 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14453 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14454 tp->rx_pending = 63;
14455 }
14456
1da177e4
LT		 14457 err = tg3_get_device_address(tp);
14458 if (err) {
14459 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
14460 "aborting.\n");
077f849d 14461 goto err_out_fw;
1da177e4
LT		 14462 }
14463
c88864df 14464 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
63532394 14465 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
79ea13ce 14466 if (!tp->aperegs) {
c88864df
MC		 14467 printk(KERN_ERR PFX "Cannot map APE registers, "
14468 "aborting.\n");
14469 err = -ENOMEM;
077f849d 14470 goto err_out_fw;
c88864df
MC		 14471 }
14472
14473 tg3_ape_lock_init(tp);
7fd76445
MC		 14474
14475 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14476 tg3_read_dash_ver(tp);
c88864df
MC		 14477 }
14478
1da177e4
LT		 14479 /*
14480 * Reset chip in case UNDI or EFI driver did not shutdown
14481 * DMA self test will enable WDMAC and we'll see (spurious)
14482 * pending DMA on the PCI bus at that point.
14483 */
14484 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14485 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
1da177e4 14486 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 14487 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 14488 }
14489
14490 err = tg3_test_dma(tp);
14491 if (err) {
14492 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
c88864df 14493 goto err_out_apeunmap;
1da177e4
LT		 14494 }
14495
1da177e4
LT		 14496 /* flow control autonegotiation is default behavior */
14497 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
e18ce346 14498 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1da177e4 14499
78f90dcf
MC		 14500 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14501 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14502 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14503 for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14504 struct tg3_napi *tnapi = &tp->napi[i];
14505
14506 tnapi->tp = tp;
14507 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14508
14509 tnapi->int_mbox = intmbx;
14510 if (i < 4)
14511 intmbx += 0x8;
14512 else
14513 intmbx += 0x4;
14514
14515 tnapi->consmbox = rcvmbx;
14516 tnapi->prodmbox = sndmbx;
14517
14518 if (i) {
14519 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14520 netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14521 } else {
14522 tnapi->coal_now = HOSTCC_MODE_NOW;
14523 netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14524 }
14525
14526 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14527 break;
14528
14529 /*
14530 * If we support MSIX, we'll be using RSS. If we're using
14531 * RSS, the first vector only handles link interrupts and the
14532 * remaining vectors handle rx and tx interrupts. Reuse the
14533 * mailbox values for the next iteration. The values we setup
14534 * above are still useful for the single vectored mode.
14535 */
14536 if (!i)
14537 continue;
14538
14539 rcvmbx += 0x8;
14540
14541 if (sndmbx & 0x4)
14542 sndmbx -= 0x4;
14543 else
14544 sndmbx += 0xc;
14545 }
14546
15f9850d
DM		 14547 tg3_init_coal(tp);
14548
c49a1561
MC		 14549 pci_set_drvdata(pdev, dev);
14550
1da177e4
LT		 14551 err = register_netdev(dev);
14552 if (err) {
14553 printk(KERN_ERR PFX "Cannot register net device, "
14554 "aborting.\n");
0d3031d9 14555 goto err_out_apeunmap;
1da177e4
LT		 14556 }
14557
df59c940 14558 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
1da177e4
LT		 14559 dev->name,
14560 tp->board_part_number,
14561 tp->pci_chip_rev_id,
f9804ddb 14562 tg3_bus_string(tp, str),
e174961c 14563 dev->dev_addr);
1da177e4 14564
3f0e3ad7
MC		 14565 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14566 struct phy_device *phydev;
14567 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
df59c940
MC		 14568 printk(KERN_INFO
14569 "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
3f0e3ad7
MC		 14570 tp->dev->name, phydev->drv->name,
14571 dev_name(&phydev->dev));
14572 } else
df59c940
MC		 14573 printk(KERN_INFO
14574 "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14575 tp->dev->name, tg3_phy_string(tp),
14576 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14577 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14578 "10/100/1000Base-T")),
14579 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14580
14581 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
1da177e4
LT		 14582 dev->name,
14583 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14584 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14585 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14586 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
1da177e4 14587 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 14588 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14589 dev->name, tp->dma_rwctrl,
284901a9 14590 (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
50cf156a 14591 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
1da177e4
LT		 14592
14593 return 0;
14594
0d3031d9
MC		 14595err_out_apeunmap:
14596 if (tp->aperegs) {
14597 iounmap(tp->aperegs);
14598 tp->aperegs = NULL;
14599 }
14600
077f849d
JSR		 14601err_out_fw:
14602 if (tp->fw)
14603 release_firmware(tp->fw);
14604
1da177e4 14605err_out_iounmap:
6892914f
MC		 14606 if (tp->regs) {
14607 iounmap(tp->regs);
22abe310 14608 tp->regs = NULL;
6892914f 14609 }
1da177e4
LT		 14610
14611err_out_free_dev:
14612 free_netdev(dev);
14613
14614err_out_free_res:
14615 pci_release_regions(pdev);
14616
14617err_out_disable_pdev:
14618 pci_disable_device(pdev);
14619 pci_set_drvdata(pdev, NULL);
14620 return err;
14621}
14622
14623static void __devexit tg3_remove_one(struct pci_dev *pdev)
14624{
14625 struct net_device *dev = pci_get_drvdata(pdev);
14626
14627 if (dev) {
14628 struct tg3 *tp = netdev_priv(dev);
14629
077f849d
JSR		 14630 if (tp->fw)
14631 release_firmware(tp->fw);
14632
7faa006f 14633 flush_scheduled_work();
158d7abd 14634
b02fd9e3
MC		 14635 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14636 tg3_phy_fini(tp);
158d7abd 14637 tg3_mdio_fini(tp);
b02fd9e3 14638 }
158d7abd 14639
1da177e4 14640 unregister_netdev(dev);
0d3031d9
MC		 14641 if (tp->aperegs) {
14642 iounmap(tp->aperegs);
14643 tp->aperegs = NULL;
14644 }
6892914f
MC		 14645 if (tp->regs) {
14646 iounmap(tp->regs);
22abe310 14647 tp->regs = NULL;
6892914f 14648 }
1da177e4
LT		 14649 free_netdev(dev);
14650 pci_release_regions(pdev);
14651 pci_disable_device(pdev);
14652 pci_set_drvdata(pdev, NULL);
14653 }
14654}
14655
14656static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14657{
14658 struct net_device *dev = pci_get_drvdata(pdev);
14659 struct tg3 *tp = netdev_priv(dev);
12dac075 14660 pci_power_t target_state;
1da177e4
LT		 14661 int err;
14662
3e0c95fd
MC		 14663 /* PCI register 4 needs to be saved whether netif_running() or not.
14664 * MSI address and data need to be saved if using MSI and
14665 * netif_running().
14666 */
14667 pci_save_state(pdev);
14668
1da177e4
LT		 14669 if (!netif_running(dev))
14670 return 0;
14671
7faa006f 14672 flush_scheduled_work();
b02fd9e3 14673 tg3_phy_stop(tp);
1da177e4
LT		 14674 tg3_netif_stop(tp);
14675
14676 del_timer_sync(&tp->timer);
14677
f47c11ee 14678 tg3_full_lock(tp, 1);
1da177e4 14679 tg3_disable_ints(tp);
f47c11ee 14680 tg3_full_unlock(tp);
1da177e4
LT		 14681
14682 netif_device_detach(dev);
14683
f47c11ee 14684 tg3_full_lock(tp, 0);
944d980e 14685 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 14686 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 14687 tg3_full_unlock(tp);
1da177e4 14688
12dac075
RW		 14689 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14690
14691 err = tg3_set_power_state(tp, target_state);
1da177e4 14692 if (err) {
b02fd9e3
MC		 14693 int err2;
14694
f47c11ee 14695 tg3_full_lock(tp, 0);
1da177e4 14696
6a9eba15 14697 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b02fd9e3
MC		 14698 err2 = tg3_restart_hw(tp, 1);
14699 if (err2)
b9ec6c1b 14700 goto out;
1da177e4
LT		 14701
14702 tp->timer.expires = jiffies + tp->timer_offset;
14703 add_timer(&tp->timer);
14704
14705 netif_device_attach(dev);
14706 tg3_netif_start(tp);
14707
b9ec6c1b 14708out:
f47c11ee 14709 tg3_full_unlock(tp);
b02fd9e3
MC		 14710
14711 if (!err2)
14712 tg3_phy_start(tp);
1da177e4
LT		 14713 }
14714
14715 return err;
14716}
14717
14718static int tg3_resume(struct pci_dev *pdev)
14719{
14720 struct net_device *dev = pci_get_drvdata(pdev);
14721 struct tg3 *tp = netdev_priv(dev);
14722 int err;
14723
3e0c95fd
MC		 14724 pci_restore_state(tp->pdev);
14725
1da177e4
LT		 14726 if (!netif_running(dev))
14727 return 0;
14728
bc1c7567 14729 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 14730 if (err)
14731 return err;
14732
14733 netif_device_attach(dev);
14734
f47c11ee 14735 tg3_full_lock(tp, 0);
1da177e4 14736
6a9eba15 14737 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 14738 err = tg3_restart_hw(tp, 1);
14739 if (err)
14740 goto out;
1da177e4
LT		 14741
14742 tp->timer.expires = jiffies + tp->timer_offset;
14743 add_timer(&tp->timer);
14744
1da177e4
LT		 14745 tg3_netif_start(tp);
14746
b9ec6c1b 14747out:
f47c11ee 14748 tg3_full_unlock(tp);
1da177e4 14749
b02fd9e3
MC		 14750 if (!err)
14751 tg3_phy_start(tp);
14752
b9ec6c1b 14753 return err;
1da177e4
LT		 14754}
14755
14756static struct pci_driver tg3_driver = {
14757 .name = DRV_MODULE_NAME,
14758 .id_table = tg3_pci_tbl,
14759 .probe = tg3_init_one,
14760 .remove = __devexit_p(tg3_remove_one),
14761 .suspend = tg3_suspend,
14762 .resume = tg3_resume
14763};
14764
14765static int __init tg3_init(void)
14766{
29917620 14767 return pci_register_driver(&tg3_driver);
1da177e4
LT		 14768}
14769
14770static void __exit tg3_cleanup(void)
14771{
14772 pci_unregister_driver(&tg3_driver);
14773}
14774
14775module_init(tg3_init);
14776module_exit(tg3_cleanup);
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