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tg3: Allow DMAs to cross cacheline boundaries
[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MC		 10 * Derived from proprietary unpublished source code,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 ": "
123b43e9
MC		 71#define DRV_MODULE_VERSION "3.103"
72#define DRV_MODULE_RELDATE "November 2, 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
LT		 139
140/* minimum number of free TX descriptors required to wake up TX process */
f3f3f27e 141#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
1da177e4 142
ad829268
MC		 143#define TG3_RAW_IP_ALIGN 2
144
1da177e4
LT		 145/* number of ETHTOOL_GSTATS u64's */
146#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
147
4cafd3f5
MC		 148#define TG3_NUM_TEST 6
149
077f849d
JSR		 150#define FIRMWARE_TG3 "tigon/tg3.bin"
151#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
152#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
153
1da177e4
LT		 154static char version[] __devinitdata =
155 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
156
157MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
158MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
159MODULE_LICENSE("GPL");
160MODULE_VERSION(DRV_MODULE_VERSION);
077f849d
JSR		 161MODULE_FIRMWARE(FIRMWARE_TG3);
162MODULE_FIRMWARE(FIRMWARE_TG3TSO);
163MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
164
679563f4 165#define TG3_RSS_MIN_NUM_MSIX_VECS 2
1da177e4
LT		 166
167static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
168module_param(tg3_debug, int, 0);
169MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
170
171static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
d30cdd28
MC		 225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
6c7af27c 227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
9936bcf6
MC		 228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
c88e668b
MC		 230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
2befdcea
MC		 232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
321d32a0
MC		 234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
5e7ccf20 237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
13185217
HK		 238 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
239 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
240 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
241 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
242 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
243 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
244 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
245 {}
1da177e4
LT		 246};
247
248MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
249
50da859d 250static const struct {
1da177e4
LT		 251 const char string[ETH_GSTRING_LEN];
252} ethtool_stats_keys[TG3_NUM_STATS] = {
253 { "rx_octets" },
254 { "rx_fragments" },
255 { "rx_ucast_packets" },
256 { "rx_mcast_packets" },
257 { "rx_bcast_packets" },
258 { "rx_fcs_errors" },
259 { "rx_align_errors" },
260 { "rx_xon_pause_rcvd" },
261 { "rx_xoff_pause_rcvd" },
262 { "rx_mac_ctrl_rcvd" },
263 { "rx_xoff_entered" },
264 { "rx_frame_too_long_errors" },
265 { "rx_jabbers" },
266 { "rx_undersize_packets" },
267 { "rx_in_length_errors" },
268 { "rx_out_length_errors" },
269 { "rx_64_or_less_octet_packets" },
270 { "rx_65_to_127_octet_packets" },
271 { "rx_128_to_255_octet_packets" },
272 { "rx_256_to_511_octet_packets" },
273 { "rx_512_to_1023_octet_packets" },
274 { "rx_1024_to_1522_octet_packets" },
275 { "rx_1523_to_2047_octet_packets" },
276 { "rx_2048_to_4095_octet_packets" },
277 { "rx_4096_to_8191_octet_packets" },
278 { "rx_8192_to_9022_octet_packets" },
279
280 { "tx_octets" },
281 { "tx_collisions" },
282
283 { "tx_xon_sent" },
284 { "tx_xoff_sent" },
285 { "tx_flow_control" },
286 { "tx_mac_errors" },
287 { "tx_single_collisions" },
288 { "tx_mult_collisions" },
289 { "tx_deferred" },
290 { "tx_excessive_collisions" },
291 { "tx_late_collisions" },
292 { "tx_collide_2times" },
293 { "tx_collide_3times" },
294 { "tx_collide_4times" },
295 { "tx_collide_5times" },
296 { "tx_collide_6times" },
297 { "tx_collide_7times" },
298 { "tx_collide_8times" },
299 { "tx_collide_9times" },
300 { "tx_collide_10times" },
301 { "tx_collide_11times" },
302 { "tx_collide_12times" },
303 { "tx_collide_13times" },
304 { "tx_collide_14times" },
305 { "tx_collide_15times" },
306 { "tx_ucast_packets" },
307 { "tx_mcast_packets" },
308 { "tx_bcast_packets" },
309 { "tx_carrier_sense_errors" },
310 { "tx_discards" },
311 { "tx_errors" },
312
313 { "dma_writeq_full" },
314 { "dma_write_prioq_full" },
315 { "rxbds_empty" },
316 { "rx_discards" },
317 { "rx_errors" },
318 { "rx_threshold_hit" },
319
320 { "dma_readq_full" },
321 { "dma_read_prioq_full" },
322 { "tx_comp_queue_full" },
323
324 { "ring_set_send_prod_index" },
325 { "ring_status_update" },
326 { "nic_irqs" },
327 { "nic_avoided_irqs" },
328 { "nic_tx_threshold_hit" }
329};
330
50da859d 331static const struct {
4cafd3f5
MC		 332 const char string[ETH_GSTRING_LEN];
333} ethtool_test_keys[TG3_NUM_TEST] = {
334 { "nvram test (online) " },
335 { "link test (online) " },
336 { "register test (offline)" },
337 { "memory test (offline)" },
338 { "loopback test (offline)" },
339 { "interrupt test (offline)" },
340};
341
b401e9e2
MC		 342static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
343{
344 writel(val, tp->regs + off);
345}
346
347static u32 tg3_read32(struct tg3 *tp, u32 off)
348{
6aa20a22 349 return (readl(tp->regs + off));
b401e9e2
MC		 350}
351
0d3031d9
MC		 352static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
353{
354 writel(val, tp->aperegs + off);
355}
356
357static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
358{
359 return (readl(tp->aperegs + off));
360}
361
1da177e4
LT		 362static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
363{
6892914f
MC		 364 unsigned long flags;
365
366 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 367 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
368 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 369 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 370}
371
372static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
373{
374 writel(val, tp->regs + off);
375 readl(tp->regs + off);
1da177e4
LT		 376}
377
6892914f 378static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 379{
6892914f
MC		 380 unsigned long flags;
381 u32 val;
382
383 spin_lock_irqsave(&tp->indirect_lock, flags);
384 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
385 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
386 spin_unlock_irqrestore(&tp->indirect_lock, flags);
387 return val;
388}
389
390static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
391{
392 unsigned long flags;
393
394 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
395 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
396 TG3_64BIT_REG_LOW, val);
397 return;
398 }
399 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
400 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
401 TG3_64BIT_REG_LOW, val);
402 return;
1da177e4 403 }
6892914f
MC		 404
405 spin_lock_irqsave(&tp->indirect_lock, flags);
406 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
407 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
408 spin_unlock_irqrestore(&tp->indirect_lock, flags);
409
410 /* In indirect mode when disabling interrupts, we also need
411 * to clear the interrupt bit in the GRC local ctrl register.
412 */
413 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
414 (val == 0x1)) {
415 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
416 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
417 }
418}
419
420static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
421{
422 unsigned long flags;
423 u32 val;
424
425 spin_lock_irqsave(&tp->indirect_lock, flags);
426 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
427 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
428 spin_unlock_irqrestore(&tp->indirect_lock, flags);
429 return val;
430}
431
b401e9e2
MC		 432/* usec_wait specifies the wait time in usec when writing to certain registers
433 * where it is unsafe to read back the register without some delay.
434 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
435 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
436 */
437static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 438{
b401e9e2
MC		 439 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
440 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
441 /* Non-posted methods */
442 tp->write32(tp, off, val);
443 else {
444 /* Posted method */
445 tg3_write32(tp, off, val);
446 if (usec_wait)
447 udelay(usec_wait);
448 tp->read32(tp, off);
449 }
450 /* Wait again after the read for the posted method to guarantee that
451 * the wait time is met.
452 */
453 if (usec_wait)
454 udelay(usec_wait);
1da177e4
LT		 455}
456
09ee929c
MC		 457static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
458{
459 tp->write32_mbox(tp, off, val);
6892914f
MC		 460 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
461 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
462 tp->read32_mbox(tp, off);
09ee929c
MC		 463}
464
20094930 465static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 466{
467 void __iomem *mbox = tp->regs + off;
468 writel(val, mbox);
469 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
470 writel(val, mbox);
471 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
472 readl(mbox);
473}
474
b5d3772c
MC		 475static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
476{
477 return (readl(tp->regs + off + GRCMBOX_BASE));
478}
479
480static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
481{
482 writel(val, tp->regs + off + GRCMBOX_BASE);
483}
484
20094930 485#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 486#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 487#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
488#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 489#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 490
491#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 492#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
493#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 494#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 495
496static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
497{
6892914f
MC		 498 unsigned long flags;
499
b5d3772c
MC		 500 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
501 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
502 return;
503
6892914f 504 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 505 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
506 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
507 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 508
bbadf503
MC		 509 /* Always leave this as zero. */
510 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
511 } else {
512 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
513 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 514
bbadf503
MC		 515 /* Always leave this as zero. */
516 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
517 }
518 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 519}
520
1da177e4
LT		 521static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
522{
6892914f
MC		 523 unsigned long flags;
524
b5d3772c
MC		 525 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
526 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
527 *val = 0;
528 return;
529 }
530
6892914f 531 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 532 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
533 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
534 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 535
bbadf503
MC		 536 /* Always leave this as zero. */
537 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
538 } else {
539 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
540 *val = tr32(TG3PCI_MEM_WIN_DATA);
541
542 /* Always leave this as zero. */
543 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
544 }
6892914f 545 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 546}
547
0d3031d9
MC		 548static void tg3_ape_lock_init(struct tg3 *tp)
549{
550 int i;
551
552 /* Make sure the driver hasn't any stale locks. */
553 for (i = 0; i < 8; i++)
554 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
555 APE_LOCK_GRANT_DRIVER);
556}
557
558static int tg3_ape_lock(struct tg3 *tp, int locknum)
559{
560 int i, off;
561 int ret = 0;
562 u32 status;
563
564 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
565 return 0;
566
567 switch (locknum) {
77b483f1 568 case TG3_APE_LOCK_GRC:
0d3031d9
MC		 569 case TG3_APE_LOCK_MEM:
570 break;
571 default:
572 return -EINVAL;
573 }
574
575 off = 4 * locknum;
576
577 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
578
579 /* Wait for up to 1 millisecond to acquire lock. */
580 for (i = 0; i < 100; i++) {
581 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
582 if (status == APE_LOCK_GRANT_DRIVER)
583 break;
584 udelay(10);
585 }
586
587 if (status != APE_LOCK_GRANT_DRIVER) {
588 /* Revoke the lock request. */
589 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
590 APE_LOCK_GRANT_DRIVER);
591
592 ret = -EBUSY;
593 }
594
595 return ret;
596}
597
598static void tg3_ape_unlock(struct tg3 *tp, int locknum)
599{
600 int off;
601
602 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
603 return;
604
605 switch (locknum) {
77b483f1 606 case TG3_APE_LOCK_GRC:
0d3031d9
MC		 607 case TG3_APE_LOCK_MEM:
608 break;
609 default:
610 return;
611 }
612
613 off = 4 * locknum;
614 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
615}
616
1da177e4
LT		 617static void tg3_disable_ints(struct tg3 *tp)
618{
89aeb3bc
MC		 619 int i;
620
1da177e4
LT		 621 tw32(TG3PCI_MISC_HOST_CTRL,
622 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc
MC		 623 for (i = 0; i < tp->irq_max; i++)
624 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
1da177e4
LT		 625}
626
1da177e4
LT		 627static void tg3_enable_ints(struct tg3 *tp)
628{
89aeb3bc
MC		 629 int i;
630 u32 coal_now = 0;
631
bbe832c0
MC		 632 tp->irq_sync = 0;
633 wmb();
634
1da177e4
LT		 635 tw32(TG3PCI_MISC_HOST_CTRL,
636 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc
MC		 637
638 for (i = 0; i < tp->irq_cnt; i++) {
639 struct tg3_napi *tnapi = &tp->napi[i];
898a56f8 640 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
89aeb3bc
MC		 641 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
642 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
f19af9c2 643
89aeb3bc
MC		 644 coal_now |= tnapi->coal_now;
645 }
f19af9c2
MC		 646
647 /* Force an initial interrupt */
648 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
649 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
650 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
651 else
652 tw32(HOSTCC_MODE, tp->coalesce_mode |
653 HOSTCC_MODE_ENABLE | coal_now);
1da177e4
LT		 654}
655
17375d25 656static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
04237ddd 657{
17375d25 658 struct tg3 *tp = tnapi->tp;
898a56f8 659 struct tg3_hw_status *sblk = tnapi->hw_status;
04237ddd
MC		 660 unsigned int work_exists = 0;
661
662 /* check for phy events */
663 if (!(tp->tg3_flags &
664 (TG3_FLAG_USE_LINKCHG_REG |
665 TG3_FLAG_POLL_SERDES))) {
666 if (sblk->status & SD_STATUS_LINK_CHG)
667 work_exists = 1;
668 }
669 /* check for RX/TX work to do */
f3f3f27e 670 if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
8d9d7cfc 671 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
04237ddd
MC		 672 work_exists = 1;
673
674 return work_exists;
675}
676
17375d25 677/* tg3_int_reenable
04237ddd
MC		 678 * similar to tg3_enable_ints, but it accurately determines whether there
679 * is new work pending and can return without flushing the PIO write
6aa20a22 680 * which reenables interrupts
1da177e4 681 */
17375d25 682static void tg3_int_reenable(struct tg3_napi *tnapi)
1da177e4 683{
17375d25
MC		 684 struct tg3 *tp = tnapi->tp;
685
898a56f8 686 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
1da177e4
LT		 687 mmiowb();
688
fac9b83e
DM		 689 /* When doing tagged status, this work check is unnecessary.
690 * The last_tag we write above tells the chip which piece of
691 * work we've completed.
692 */
693 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
17375d25 694 tg3_has_work(tnapi))
04237ddd 695 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 696 HOSTCC_MODE_ENABLE | tnapi->coal_now);
1da177e4
LT		 697}
698
fed97810
MC		 699static void tg3_napi_disable(struct tg3 *tp)
700{
701 int i;
702
703 for (i = tp->irq_cnt - 1; i >= 0; i--)
704 napi_disable(&tp->napi[i].napi);
705}
706
707static void tg3_napi_enable(struct tg3 *tp)
708{
709 int i;
710
711 for (i = 0; i < tp->irq_cnt; i++)
712 napi_enable(&tp->napi[i].napi);
713}
714
1da177e4
LT		 715static inline void tg3_netif_stop(struct tg3 *tp)
716{
bbe832c0 717 tp->dev->trans_start = jiffies; /* prevent tx timeout */
fed97810 718 tg3_napi_disable(tp);
1da177e4
LT		 719 netif_tx_disable(tp->dev);
720}
721
722static inline void tg3_netif_start(struct tg3 *tp)
723{
fe5f5787
MC		 724 /* NOTE: unconditional netif_tx_wake_all_queues is only
725 * appropriate so long as all callers are assured to
726 * have free tx slots (such as after tg3_init_hw)
1da177e4 727 */
fe5f5787
MC		 728 netif_tx_wake_all_queues(tp->dev);
729
fed97810
MC		 730 tg3_napi_enable(tp);
731 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
f47c11ee 732 tg3_enable_ints(tp);
1da177e4
LT		 733}
734
735static void tg3_switch_clocks(struct tg3 *tp)
736{
f6eb9b1f 737 u32 clock_ctrl;
1da177e4
LT		 738 u32 orig_clock_ctrl;
739
795d01c5
MC		 740 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
741 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
4cf78e4f
MC		 742 return;
743
f6eb9b1f
MC		 744 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
745
1da177e4
LT		 746 orig_clock_ctrl = clock_ctrl;
747 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
748 CLOCK_CTRL_CLKRUN_OENABLE |
749 0x1f);
750 tp->pci_clock_ctrl = clock_ctrl;
751
752 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
753 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 754 tw32_wait_f(TG3PCI_CLOCK_CTRL,
755 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 756 }
757 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 758 tw32_wait_f(TG3PCI_CLOCK_CTRL,
759 clock_ctrl |
760 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
761 40);
762 tw32_wait_f(TG3PCI_CLOCK_CTRL,
763 clock_ctrl | (CLOCK_CTRL_ALTCLK),
764 40);
1da177e4 765 }
b401e9e2 766 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 767}
768
769#define PHY_BUSY_LOOPS 5000
770
771static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
772{
773 u32 frame_val;
774 unsigned int loops;
775 int ret;
776
777 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
778 tw32_f(MAC_MI_MODE,
779 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
780 udelay(80);
781 }
782
783 *val = 0x0;
784
882e9793 785 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 786 MI_COM_PHY_ADDR_MASK);
787 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
788 MI_COM_REG_ADDR_MASK);
789 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 790
1da177e4
LT		 791 tw32_f(MAC_MI_COM, frame_val);
792
793 loops = PHY_BUSY_LOOPS;
794 while (loops != 0) {
795 udelay(10);
796 frame_val = tr32(MAC_MI_COM);
797
798 if ((frame_val & MI_COM_BUSY) == 0) {
799 udelay(5);
800 frame_val = tr32(MAC_MI_COM);
801 break;
802 }
803 loops -= 1;
804 }
805
806 ret = -EBUSY;
807 if (loops != 0) {
808 *val = frame_val & MI_COM_DATA_MASK;
809 ret = 0;
810 }
811
812 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
813 tw32_f(MAC_MI_MODE, tp->mi_mode);
814 udelay(80);
815 }
816
817 return ret;
818}
819
820static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
821{
822 u32 frame_val;
823 unsigned int loops;
824 int ret;
825
7f97a4bd 826 if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
b5d3772c
MC		 827 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
828 return 0;
829
1da177e4
LT		 830 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
831 tw32_f(MAC_MI_MODE,
832 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
833 udelay(80);
834 }
835
882e9793 836 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 837 MI_COM_PHY_ADDR_MASK);
838 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
839 MI_COM_REG_ADDR_MASK);
840 frame_val |= (val & MI_COM_DATA_MASK);
841 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 842
1da177e4
LT		 843 tw32_f(MAC_MI_COM, frame_val);
844
845 loops = PHY_BUSY_LOOPS;
846 while (loops != 0) {
847 udelay(10);
848 frame_val = tr32(MAC_MI_COM);
849 if ((frame_val & MI_COM_BUSY) == 0) {
850 udelay(5);
851 frame_val = tr32(MAC_MI_COM);
852 break;
853 }
854 loops -= 1;
855 }
856
857 ret = -EBUSY;
858 if (loops != 0)
859 ret = 0;
860
861 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
862 tw32_f(MAC_MI_MODE, tp->mi_mode);
863 udelay(80);
864 }
865
866 return ret;
867}
868
95e2869a
MC		 869static int tg3_bmcr_reset(struct tg3 *tp)
870{
871 u32 phy_control;
872 int limit, err;
873
874 /* OK, reset it, and poll the BMCR_RESET bit until it
875 * clears or we time out.
876 */
877 phy_control = BMCR_RESET;
878 err = tg3_writephy(tp, MII_BMCR, phy_control);
879 if (err != 0)
880 return -EBUSY;
881
882 limit = 5000;
883 while (limit--) {
884 err = tg3_readphy(tp, MII_BMCR, &phy_control);
885 if (err != 0)
886 return -EBUSY;
887
888 if ((phy_control & BMCR_RESET) == 0) {
889 udelay(40);
890 break;
891 }
892 udelay(10);
893 }
d4675b52 894 if (limit < 0)
95e2869a
MC		 895 return -EBUSY;
896
897 return 0;
898}
899
158d7abd
MC		 900static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
901{
3d16543d 902 struct tg3 *tp = bp->priv;
158d7abd
MC		 903 u32 val;
904
24bb4fb6 905 spin_lock_bh(&tp->lock);
158d7abd
MC		 906
907 if (tg3_readphy(tp, reg, &val))
24bb4fb6
MC		 908 val = -EIO;
909
910 spin_unlock_bh(&tp->lock);
158d7abd
MC		 911
912 return val;
913}
914
915static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
916{
3d16543d 917 struct tg3 *tp = bp->priv;
24bb4fb6 918 u32 ret = 0;
158d7abd 919
24bb4fb6 920 spin_lock_bh(&tp->lock);
158d7abd
MC		 921
922 if (tg3_writephy(tp, reg, val))
24bb4fb6 923 ret = -EIO;
158d7abd 924
24bb4fb6
MC		 925 spin_unlock_bh(&tp->lock);
926
927 return ret;
158d7abd
MC		 928}
929
930static int tg3_mdio_reset(struct mii_bus *bp)
931{
932 return 0;
933}
934
9c61d6bc 935static void tg3_mdio_config_5785(struct tg3 *tp)
a9daf367
MC		 936{
937 u32 val;
fcb389df 938 struct phy_device *phydev;
a9daf367 939
3f0e3ad7 940 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
fcb389df
MC		 941 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
942 case TG3_PHY_ID_BCM50610:
c73430d0 943 case TG3_PHY_ID_BCM50610M:
fcb389df
MC		 944 val = MAC_PHYCFG2_50610_LED_MODES;
945 break;
946 case TG3_PHY_ID_BCMAC131:
947 val = MAC_PHYCFG2_AC131_LED_MODES;
948 break;
949 case TG3_PHY_ID_RTL8211C:
950 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
951 break;
952 case TG3_PHY_ID_RTL8201E:
953 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
954 break;
955 default:
a9daf367 956 return;
fcb389df
MC		 957 }
958
959 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
960 tw32(MAC_PHYCFG2, val);
961
962 val = tr32(MAC_PHYCFG1);
bb85fbb6
MC		 963 val &= ~(MAC_PHYCFG1_RGMII_INT |
964 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
965 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
fcb389df
MC		 966 tw32(MAC_PHYCFG1, val);
967
968 return;
969 }
970
971 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
972 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
973 MAC_PHYCFG2_FMODE_MASK_MASK |
974 MAC_PHYCFG2_GMODE_MASK_MASK |
975 MAC_PHYCFG2_ACT_MASK_MASK |
976 MAC_PHYCFG2_QUAL_MASK_MASK |
977 MAC_PHYCFG2_INBAND_ENABLE;
978
979 tw32(MAC_PHYCFG2, val);
a9daf367 980
bb85fbb6
MC		 981 val = tr32(MAC_PHYCFG1);
982 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
983 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
984 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
a9daf367
MC		 985 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
986 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
987 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
988 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
989 }
bb85fbb6
MC		 990 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
991 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
992 tw32(MAC_PHYCFG1, val);
a9daf367 993
a9daf367
MC		 994 val = tr32(MAC_EXT_RGMII_MODE);
995 val &= ~(MAC_RGMII_MODE_RX_INT_B |
996 MAC_RGMII_MODE_RX_QUALITY |
997 MAC_RGMII_MODE_RX_ACTIVITY |
998 MAC_RGMII_MODE_RX_ENG_DET |
999 MAC_RGMII_MODE_TX_ENABLE |
1000 MAC_RGMII_MODE_TX_LOWPWR |
1001 MAC_RGMII_MODE_TX_RESET);
fcb389df 1002 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
a9daf367
MC		 1003 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
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 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1009 val |= MAC_RGMII_MODE_TX_ENABLE |
1010 MAC_RGMII_MODE_TX_LOWPWR |
1011 MAC_RGMII_MODE_TX_RESET;
1012 }
1013 tw32(MAC_EXT_RGMII_MODE, val);
1014}
1015
158d7abd
MC		 1016static void tg3_mdio_start(struct tg3 *tp)
1017{
158d7abd
MC		 1018 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1019 tw32_f(MAC_MI_MODE, tp->mi_mode);
1020 udelay(80);
a9daf367 1021
882e9793
MC		 1022 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1023 u32 funcnum, is_serdes;
1024
1025 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1026 if (funcnum)
1027 tp->phy_addr = 2;
1028 else
1029 tp->phy_addr = 1;
1030
1031 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1032 if (is_serdes)
1033 tp->phy_addr += 7;
1034 } else
3f0e3ad7 1035 tp->phy_addr = TG3_PHY_MII_ADDR;
882e9793 1036
9c61d6bc
MC		 1037 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1038 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1039 tg3_mdio_config_5785(tp);
158d7abd
MC		 1040}
1041
158d7abd
MC		 1042static int tg3_mdio_init(struct tg3 *tp)
1043{
1044 int i;
1045 u32 reg;
a9daf367 1046 struct phy_device *phydev;
158d7abd
MC		 1047
1048 tg3_mdio_start(tp);
1049
1050 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1051 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1052 return 0;
1053
298cf9be
LB		 1054 tp->mdio_bus = mdiobus_alloc();
1055 if (tp->mdio_bus == NULL)
1056 return -ENOMEM;
158d7abd 1057
298cf9be
LB		 1058 tp->mdio_bus->name = "tg3 mdio bus";
1059 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
158d7abd 1060 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
298cf9be
LB		 1061 tp->mdio_bus->priv = tp;
1062 tp->mdio_bus->parent = &tp->pdev->dev;
1063 tp->mdio_bus->read = &tg3_mdio_read;
1064 tp->mdio_bus->write = &tg3_mdio_write;
1065 tp->mdio_bus->reset = &tg3_mdio_reset;
3f0e3ad7 1066 tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
298cf9be 1067 tp->mdio_bus->irq = &tp->mdio_irq[0];
158d7abd
MC		 1068
1069 for (i = 0; i < PHY_MAX_ADDR; i++)
298cf9be 1070 tp->mdio_bus->irq[i] = PHY_POLL;
158d7abd
MC		 1071
1072 /* The bus registration will look for all the PHYs on the mdio bus.
1073 * Unfortunately, it does not ensure the PHY is powered up before
1074 * accessing the PHY ID registers. A chip reset is the
1075 * quickest way to bring the device back to an operational state..
1076 */
1077 if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1078 tg3_bmcr_reset(tp);
1079
298cf9be 1080 i = mdiobus_register(tp->mdio_bus);
a9daf367 1081 if (i) {
158d7abd
MC		 1082 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1083 tp->dev->name, i);
9c61d6bc 1084 mdiobus_free(tp->mdio_bus);
a9daf367
MC		 1085 return i;
1086 }
158d7abd 1087
3f0e3ad7 1088 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
a9daf367 1089
9c61d6bc
MC		 1090 if (!phydev || !phydev->drv) {
1091 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1092 mdiobus_unregister(tp->mdio_bus);
1093 mdiobus_free(tp->mdio_bus);
1094 return -ENODEV;
1095 }
1096
1097 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
321d32a0
MC		 1098 case TG3_PHY_ID_BCM57780:
1099 phydev->interface = PHY_INTERFACE_MODE_GMII;
c704dc23 1100 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
321d32a0 1101 break;
a9daf367 1102 case TG3_PHY_ID_BCM50610:
c73430d0 1103 case TG3_PHY_ID_BCM50610M:
32e5a8d6 1104 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
c704dc23 1105 PHY_BRCM_RX_REFCLK_UNUSED |
52fae083 1106 PHY_BRCM_DIS_TXCRXC_NOENRGY |
c704dc23 1107 PHY_BRCM_AUTO_PWRDWN_ENABLE;
a9daf367
MC		 1108 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1109 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1110 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1111 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1112 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1113 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
fcb389df
MC		 1114 /* fallthru */
1115 case TG3_PHY_ID_RTL8211C:
1116 phydev->interface = PHY_INTERFACE_MODE_RGMII;
a9daf367 1117 break;
fcb389df 1118 case TG3_PHY_ID_RTL8201E:
a9daf367
MC		 1119 case TG3_PHY_ID_BCMAC131:
1120 phydev->interface = PHY_INTERFACE_MODE_MII;
cdd4e09d 1121 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
7f97a4bd 1122 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
a9daf367
MC		 1123 break;
1124 }
1125
9c61d6bc
MC		 1126 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1127
1128 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1129 tg3_mdio_config_5785(tp);
a9daf367
MC		 1130
1131 return 0;
158d7abd
MC		 1132}
1133
1134static void tg3_mdio_fini(struct tg3 *tp)
1135{
1136 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1137 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
298cf9be
LB		 1138 mdiobus_unregister(tp->mdio_bus);
1139 mdiobus_free(tp->mdio_bus);
158d7abd
MC		 1140 }
1141}
1142
4ba526ce
MC		 1143/* tp->lock is held. */
1144static inline void tg3_generate_fw_event(struct tg3 *tp)
1145{
1146 u32 val;
1147
1148 val = tr32(GRC_RX_CPU_EVENT);
1149 val |= GRC_RX_CPU_DRIVER_EVENT;
1150 tw32_f(GRC_RX_CPU_EVENT, val);
1151
1152 tp->last_event_jiffies = jiffies;
1153}
1154
1155#define TG3_FW_EVENT_TIMEOUT_USEC 2500
1156
95e2869a
MC		 1157/* tp->lock is held. */
1158static void tg3_wait_for_event_ack(struct tg3 *tp)
1159{
1160 int i;
4ba526ce
MC		 1161 unsigned int delay_cnt;
1162 long time_remain;
1163
1164 /* If enough time has passed, no wait is necessary. */
1165 time_remain = (long)(tp->last_event_jiffies + 1 +
1166 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1167 (long)jiffies;
1168 if (time_remain < 0)
1169 return;
1170
1171 /* Check if we can shorten the wait time. */
1172 delay_cnt = jiffies_to_usecs(time_remain);
1173 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1174 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1175 delay_cnt = (delay_cnt >> 3) + 1;
95e2869a 1176
4ba526ce 1177 for (i = 0; i < delay_cnt; i++) {
95e2869a
MC		 1178 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1179 break;
4ba526ce 1180 udelay(8);
95e2869a
MC		 1181 }
1182}
1183
1184/* tp->lock is held. */
1185static void tg3_ump_link_report(struct tg3 *tp)
1186{
1187 u32 reg;
1188 u32 val;
1189
1190 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1191 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1192 return;
1193
1194 tg3_wait_for_event_ack(tp);
1195
1196 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1197
1198 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1199
1200 val = 0;
1201 if (!tg3_readphy(tp, MII_BMCR, &reg))
1202 val = reg << 16;
1203 if (!tg3_readphy(tp, MII_BMSR, &reg))
1204 val |= (reg & 0xffff);
1205 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1206
1207 val = 0;
1208 if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1209 val = reg << 16;
1210 if (!tg3_readphy(tp, MII_LPA, &reg))
1211 val |= (reg & 0xffff);
1212 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1213
1214 val = 0;
1215 if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1216 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1217 val = reg << 16;
1218 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1219 val |= (reg & 0xffff);
1220 }
1221 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1222
1223 if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1224 val = reg << 16;
1225 else
1226 val = 0;
1227 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1228
4ba526ce 1229 tg3_generate_fw_event(tp);
95e2869a
MC		 1230}
1231
1232static void tg3_link_report(struct tg3 *tp)
1233{
1234 if (!netif_carrier_ok(tp->dev)) {
1235 if (netif_msg_link(tp))
1236 printk(KERN_INFO PFX "%s: Link is down.\n",
1237 tp->dev->name);
1238 tg3_ump_link_report(tp);
1239 } else if (netif_msg_link(tp)) {
1240 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1241 tp->dev->name,
1242 (tp->link_config.active_speed == SPEED_1000 ?
1243 1000 :
1244 (tp->link_config.active_speed == SPEED_100 ?
1245 100 : 10)),
1246 (tp->link_config.active_duplex == DUPLEX_FULL ?
1247 "full" : "half"));
1248
1249 printk(KERN_INFO PFX
1250 "%s: Flow control is %s for TX and %s for RX.\n",
1251 tp->dev->name,
e18ce346 1252 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
95e2869a 1253 "on" : "off",
e18ce346 1254 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
95e2869a
MC		 1255 "on" : "off");
1256 tg3_ump_link_report(tp);
1257 }
1258}
1259
1260static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1261{
1262 u16 miireg;
1263
e18ce346 1264 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
95e2869a 1265 miireg = ADVERTISE_PAUSE_CAP;
e18ce346 1266 else if (flow_ctrl & FLOW_CTRL_TX)
95e2869a 1267 miireg = ADVERTISE_PAUSE_ASYM;
e18ce346 1268 else if (flow_ctrl & FLOW_CTRL_RX)
95e2869a
MC		 1269 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1270 else
1271 miireg = 0;
1272
1273 return miireg;
1274}
1275
1276static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1277{
1278 u16 miireg;
1279
e18ce346 1280 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
95e2869a 1281 miireg = ADVERTISE_1000XPAUSE;
e18ce346 1282 else if (flow_ctrl & FLOW_CTRL_TX)
95e2869a 1283 miireg = ADVERTISE_1000XPSE_ASYM;
e18ce346 1284 else if (flow_ctrl & FLOW_CTRL_RX)
95e2869a
MC		 1285 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1286 else
1287 miireg = 0;
1288
1289 return miireg;
1290}
1291
95e2869a
MC		 1292static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1293{
1294 u8 cap = 0;
1295
1296 if (lcladv & ADVERTISE_1000XPAUSE) {
1297 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1298 if (rmtadv & LPA_1000XPAUSE)
e18ce346 1299 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
95e2869a 1300 else if (rmtadv & LPA_1000XPAUSE_ASYM)
e18ce346 1301 cap = FLOW_CTRL_RX;
95e2869a
MC		 1302 } else {
1303 if (rmtadv & LPA_1000XPAUSE)
e18ce346 1304 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
95e2869a
MC		 1305 }
1306 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1307 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
e18ce346 1308 cap = FLOW_CTRL_TX;
95e2869a
MC		 1309 }
1310
1311 return cap;
1312}
1313
f51f3562 1314static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
95e2869a 1315{
b02fd9e3 1316 u8 autoneg;
f51f3562 1317 u8 flowctrl = 0;
95e2869a
MC		 1318 u32 old_rx_mode = tp->rx_mode;
1319 u32 old_tx_mode = tp->tx_mode;
1320
b02fd9e3 1321 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
3f0e3ad7 1322 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
b02fd9e3
MC		 1323 else
1324 autoneg = tp->link_config.autoneg;
1325
1326 if (autoneg == AUTONEG_ENABLE &&
95e2869a
MC		 1327 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1328 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
f51f3562 1329 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
95e2869a 1330 else
bc02ff95 1331 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
f51f3562
MC		 1332 } else
1333 flowctrl = tp->link_config.flowctrl;
95e2869a 1334
f51f3562 1335 tp->link_config.active_flowctrl = flowctrl;
95e2869a 1336
e18ce346 1337 if (flowctrl & FLOW_CTRL_RX)
95e2869a
MC		 1338 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1339 else
1340 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1341
f51f3562 1342 if (old_rx_mode != tp->rx_mode)
95e2869a 1343 tw32_f(MAC_RX_MODE, tp->rx_mode);
95e2869a 1344
e18ce346 1345 if (flowctrl & FLOW_CTRL_TX)
95e2869a
MC		 1346 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1347 else
1348 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1349
f51f3562 1350 if (old_tx_mode != tp->tx_mode)
95e2869a 1351 tw32_f(MAC_TX_MODE, tp->tx_mode);
95e2869a
MC		 1352}
1353
b02fd9e3
MC		 1354static void tg3_adjust_link(struct net_device *dev)
1355{
1356 u8 oldflowctrl, linkmesg = 0;
1357 u32 mac_mode, lcl_adv, rmt_adv;
1358 struct tg3 *tp = netdev_priv(dev);
3f0e3ad7 1359 struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3 1360
24bb4fb6 1361 spin_lock_bh(&tp->lock);
b02fd9e3
MC		 1362
1363 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1364 MAC_MODE_HALF_DUPLEX);
1365
1366 oldflowctrl = tp->link_config.active_flowctrl;
1367
1368 if (phydev->link) {
1369 lcl_adv = 0;
1370 rmt_adv = 0;
1371
1372 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1373 mac_mode |= MAC_MODE_PORT_MODE_MII;
c3df0748
MC		 1374 else if (phydev->speed == SPEED_1000 ||
1375 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
b02fd9e3 1376 mac_mode |= MAC_MODE_PORT_MODE_GMII;
c3df0748
MC		 1377 else
1378 mac_mode |= MAC_MODE_PORT_MODE_MII;
b02fd9e3
MC		 1379
1380 if (phydev->duplex == DUPLEX_HALF)
1381 mac_mode |= MAC_MODE_HALF_DUPLEX;
1382 else {
1383 lcl_adv = tg3_advert_flowctrl_1000T(
1384 tp->link_config.flowctrl);
1385
1386 if (phydev->pause)
1387 rmt_adv = LPA_PAUSE_CAP;
1388 if (phydev->asym_pause)
1389 rmt_adv |= LPA_PAUSE_ASYM;
1390 }
1391
1392 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1393 } else
1394 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1395
1396 if (mac_mode != tp->mac_mode) {
1397 tp->mac_mode = mac_mode;
1398 tw32_f(MAC_MODE, tp->mac_mode);
1399 udelay(40);
1400 }
1401
fcb389df
MC		 1402 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1403 if (phydev->speed == SPEED_10)
1404 tw32(MAC_MI_STAT,
1405 MAC_MI_STAT_10MBPS_MODE |
1406 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1407 else
1408 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1409 }
1410
b02fd9e3
MC		 1411 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1412 tw32(MAC_TX_LENGTHS,
1413 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1414 (6 << TX_LENGTHS_IPG_SHIFT) |
1415 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1416 else
1417 tw32(MAC_TX_LENGTHS,
1418 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1419 (6 << TX_LENGTHS_IPG_SHIFT) |
1420 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1421
1422 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1423 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1424 phydev->speed != tp->link_config.active_speed ||
1425 phydev->duplex != tp->link_config.active_duplex ||
1426 oldflowctrl != tp->link_config.active_flowctrl)
1427 linkmesg = 1;
1428
1429 tp->link_config.active_speed = phydev->speed;
1430 tp->link_config.active_duplex = phydev->duplex;
1431
24bb4fb6 1432 spin_unlock_bh(&tp->lock);
b02fd9e3
MC		 1433
1434 if (linkmesg)
1435 tg3_link_report(tp);
1436}
1437
1438static int tg3_phy_init(struct tg3 *tp)
1439{
1440 struct phy_device *phydev;
1441
1442 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1443 return 0;
1444
1445 /* Bring the PHY back to a known state. */
1446 tg3_bmcr_reset(tp);
1447
3f0e3ad7 1448 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 1449
1450 /* Attach the MAC to the PHY. */
fb28ad35 1451 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
a9daf367 1452 phydev->dev_flags, phydev->interface);
b02fd9e3
MC		 1453 if (IS_ERR(phydev)) {
1454 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1455 return PTR_ERR(phydev);
1456 }
1457
b02fd9e3 1458 /* Mask with MAC supported features. */
9c61d6bc
MC		 1459 switch (phydev->interface) {
1460 case PHY_INTERFACE_MODE_GMII:
1461 case PHY_INTERFACE_MODE_RGMII:
321d32a0
MC		 1462 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1463 phydev->supported &= (PHY_GBIT_FEATURES |
1464 SUPPORTED_Pause |
1465 SUPPORTED_Asym_Pause);
1466 break;
1467 }
1468 /* fallthru */
9c61d6bc
MC		 1469 case PHY_INTERFACE_MODE_MII:
1470 phydev->supported &= (PHY_BASIC_FEATURES |
1471 SUPPORTED_Pause |
1472 SUPPORTED_Asym_Pause);
1473 break;
1474 default:
3f0e3ad7 1475 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9c61d6bc
MC		 1476 return -EINVAL;
1477 }
1478
1479 tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
b02fd9e3
MC		 1480
1481 phydev->advertising = phydev->supported;
1482
b02fd9e3
MC		 1483 return 0;
1484}
1485
1486static void tg3_phy_start(struct tg3 *tp)
1487{
1488 struct phy_device *phydev;
1489
1490 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1491 return;
1492
3f0e3ad7 1493 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 1494
1495 if (tp->link_config.phy_is_low_power) {
1496 tp->link_config.phy_is_low_power = 0;
1497 phydev->speed = tp->link_config.orig_speed;
1498 phydev->duplex = tp->link_config.orig_duplex;
1499 phydev->autoneg = tp->link_config.orig_autoneg;
1500 phydev->advertising = tp->link_config.orig_advertising;
1501 }
1502
1503 phy_start(phydev);
1504
1505 phy_start_aneg(phydev);
1506}
1507
1508static void tg3_phy_stop(struct tg3 *tp)
1509{
1510 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1511 return;
1512
3f0e3ad7 1513 phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 1514}
1515
1516static void tg3_phy_fini(struct tg3 *tp)
1517{
1518 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
3f0e3ad7 1519 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 1520 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1521 }
1522}
1523
b2a5c19c
MC		 1524static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1525{
1526 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1527 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1528}
1529
7f97a4bd
MC		 1530static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1531{
1532 u32 phytest;
1533
1534 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1535 u32 phy;
1536
1537 tg3_writephy(tp, MII_TG3_FET_TEST,
1538 phytest | MII_TG3_FET_SHADOW_EN);
1539 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1540 if (enable)
1541 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1542 else
1543 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1544 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1545 }
1546 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1547 }
1548}
1549
6833c043
MC		 1550static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1551{
1552 u32 reg;
1553
7f97a4bd 1554 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6833c043
MC		 1555 return;
1556
7f97a4bd
MC		 1557 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1558 tg3_phy_fet_toggle_apd(tp, enable);
1559 return;
1560 }
1561
6833c043
MC		 1562 reg = MII_TG3_MISC_SHDW_WREN |
1563 MII_TG3_MISC_SHDW_SCR5_SEL |
1564 MII_TG3_MISC_SHDW_SCR5_LPED |
1565 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1566 MII_TG3_MISC_SHDW_SCR5_SDTL |
1567 MII_TG3_MISC_SHDW_SCR5_C125OE;
1568 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1569 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1570
1571 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1572
1573
1574 reg = MII_TG3_MISC_SHDW_WREN |
1575 MII_TG3_MISC_SHDW_APD_SEL |
1576 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1577 if (enable)
1578 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1579
1580 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1581}
1582
9ef8ca99
MC		 1583static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1584{
1585 u32 phy;
1586
1587 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1588 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1589 return;
1590
7f97a4bd 1591 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
9ef8ca99
MC		 1592 u32 ephy;
1593
535ef6e1
MC		 1594 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1595 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1596
1597 tg3_writephy(tp, MII_TG3_FET_TEST,
1598 ephy | MII_TG3_FET_SHADOW_EN);
1599 if (!tg3_readphy(tp, reg, &phy)) {
9ef8ca99 1600 if (enable)
535ef6e1 1601 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
9ef8ca99 1602 else
535ef6e1
MC		 1603 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1604 tg3_writephy(tp, reg, phy);
9ef8ca99 1605 }
535ef6e1 1606 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
9ef8ca99
MC		 1607 }
1608 } else {
1609 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1610 MII_TG3_AUXCTL_SHDWSEL_MISC;
1611 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1612 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1613 if (enable)
1614 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1615 else
1616 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1617 phy |= MII_TG3_AUXCTL_MISC_WREN;
1618 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1619 }
1620 }
1621}
1622
1da177e4
LT		 1623static void tg3_phy_set_wirespeed(struct tg3 *tp)
1624{
1625 u32 val;
1626
1627 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1628 return;
1629
1630 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1631 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1632 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1633 (val | (1 << 15) | (1 << 4)));
1634}
1635
b2a5c19c
MC		 1636static void tg3_phy_apply_otp(struct tg3 *tp)
1637{
1638 u32 otp, phy;
1639
1640 if (!tp->phy_otp)
1641 return;
1642
1643 otp = tp->phy_otp;
1644
1645 /* Enable SM_DSP clock and tx 6dB coding. */
1646 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1647 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1648 MII_TG3_AUXCTL_ACTL_TX_6DB;
1649 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1650
1651 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1652 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1653 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1654
1655 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1656 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1657 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1658
1659 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1660 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1661 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1662
1663 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1664 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1665
1666 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1667 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1668
1669 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1670 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1671 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1672
1673 /* Turn off SM_DSP clock. */
1674 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1675 MII_TG3_AUXCTL_ACTL_TX_6DB;
1676 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1677}
1678
1da177e4
LT		 1679static int tg3_wait_macro_done(struct tg3 *tp)
1680{
1681 int limit = 100;
1682
1683 while (limit--) {
1684 u32 tmp32;
1685
1686 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1687 if ((tmp32 & 0x1000) == 0)
1688 break;
1689 }
1690 }
d4675b52 1691 if (limit < 0)
1da177e4
LT		 1692 return -EBUSY;
1693
1694 return 0;
1695}
1696
1697static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1698{
1699 static const u32 test_pat[4][6] = {
1700 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1701 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1702 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1703 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1704 };
1705 int chan;
1706
1707 for (chan = 0; chan < 4; chan++) {
1708 int i;
1709
1710 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1711 (chan * 0x2000) | 0x0200);
1712 tg3_writephy(tp, 0x16, 0x0002);
1713
1714 for (i = 0; i < 6; i++)
1715 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1716 test_pat[chan][i]);
1717
1718 tg3_writephy(tp, 0x16, 0x0202);
1719 if (tg3_wait_macro_done(tp)) {
1720 *resetp = 1;
1721 return -EBUSY;
1722 }
1723
1724 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1725 (chan * 0x2000) | 0x0200);
1726 tg3_writephy(tp, 0x16, 0x0082);
1727 if (tg3_wait_macro_done(tp)) {
1728 *resetp = 1;
1729 return -EBUSY;
1730 }
1731
1732 tg3_writephy(tp, 0x16, 0x0802);
1733 if (tg3_wait_macro_done(tp)) {
1734 *resetp = 1;
1735 return -EBUSY;
1736 }
1737
1738 for (i = 0; i < 6; i += 2) {
1739 u32 low, high;
1740
1741 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1742 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1743 tg3_wait_macro_done(tp)) {
1744 *resetp = 1;
1745 return -EBUSY;
1746 }
1747 low &= 0x7fff;
1748 high &= 0x000f;
1749 if (low != test_pat[chan][i] ||
1750 high != test_pat[chan][i+1]) {
1751 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1752 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1753 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1754
1755 return -EBUSY;
1756 }
1757 }
1758 }
1759
1760 return 0;
1761}
1762
1763static int tg3_phy_reset_chanpat(struct tg3 *tp)
1764{
1765 int chan;
1766
1767 for (chan = 0; chan < 4; chan++) {
1768 int i;
1769
1770 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1771 (chan * 0x2000) | 0x0200);
1772 tg3_writephy(tp, 0x16, 0x0002);
1773 for (i = 0; i < 6; i++)
1774 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1775 tg3_writephy(tp, 0x16, 0x0202);
1776 if (tg3_wait_macro_done(tp))
1777 return -EBUSY;
1778 }
1779
1780 return 0;
1781}
1782
1783static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1784{
1785 u32 reg32, phy9_orig;
1786 int retries, do_phy_reset, err;
1787
1788 retries = 10;
1789 do_phy_reset = 1;
1790 do {
1791 if (do_phy_reset) {
1792 err = tg3_bmcr_reset(tp);
1793 if (err)
1794 return err;
1795 do_phy_reset = 0;
1796 }
1797
1798 /* Disable transmitter and interrupt. */
1799 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1800 continue;
1801
1802 reg32 |= 0x3000;
1803 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1804
1805 /* Set full-duplex, 1000 mbps. */
1806 tg3_writephy(tp, MII_BMCR,
1807 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1808
1809 /* Set to master mode. */
1810 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1811 continue;
1812
1813 tg3_writephy(tp, MII_TG3_CTRL,
1814 (MII_TG3_CTRL_AS_MASTER |
1815 MII_TG3_CTRL_ENABLE_AS_MASTER));
1816
1817 /* Enable SM_DSP_CLOCK and 6dB. */
1818 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1819
1820 /* Block the PHY control access. */
1821 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1822 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1823
1824 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1825 if (!err)
1826 break;
1827 } while (--retries);
1828
1829 err = tg3_phy_reset_chanpat(tp);
1830 if (err)
1831 return err;
1832
1833 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1834 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1835
1836 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1837 tg3_writephy(tp, 0x16, 0x0000);
1838
1839 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1840 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1841 /* Set Extended packet length bit for jumbo frames */
1842 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1843 }
1844 else {
1845 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1846 }
1847
1848 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1849
1850 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1851 reg32 &= ~0x3000;
1852 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1853 } else if (!err)
1854 err = -EBUSY;
1855
1856 return err;
1857}
1858
1859/* This will reset the tigon3 PHY if there is no valid
1860 * link unless the FORCE argument is non-zero.
1861 */
1862static int tg3_phy_reset(struct tg3 *tp)
1863{
b2a5c19c 1864 u32 cpmuctrl;
1da177e4
LT		 1865 u32 phy_status;
1866 int err;
1867
60189ddf
MC		 1868 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1869 u32 val;
1870
1871 val = tr32(GRC_MISC_CFG);
1872 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1873 udelay(40);
1874 }
1da177e4
LT		 1875 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1876 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1877 if (err != 0)
1878 return -EBUSY;
1879
c8e1e82b
MC		 1880 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1881 netif_carrier_off(tp->dev);
1882 tg3_link_report(tp);
1883 }
1884
1da177e4
LT		 1885 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1886 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1887 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1888 err = tg3_phy_reset_5703_4_5(tp);
1889 if (err)
1890 return err;
1891 goto out;
1892 }
1893
b2a5c19c
MC		 1894 cpmuctrl = 0;
1895 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1896 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1897 cpmuctrl = tr32(TG3_CPMU_CTRL);
1898 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1899 tw32(TG3_CPMU_CTRL,
1900 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1901 }
1902
1da177e4
LT		 1903 err = tg3_bmcr_reset(tp);
1904 if (err)
1905 return err;
1906
b2a5c19c
MC		 1907 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1908 u32 phy;
1909
1910 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1911 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1912
1913 tw32(TG3_CPMU_CTRL, cpmuctrl);
1914 }
1915
bcb37f6c
MC		 1916 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1917 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
ce057f01
MC		 1918 u32 val;
1919
1920 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1921 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1922 CPMU_LSPD_1000MB_MACCLK_12_5) {
1923 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1924 udelay(40);
1925 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1926 }
1927 }
1928
b2a5c19c
MC		 1929 tg3_phy_apply_otp(tp);
1930
6833c043
MC		 1931 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1932 tg3_phy_toggle_apd(tp, true);
1933 else
1934 tg3_phy_toggle_apd(tp, false);
1935
1da177e4
LT		 1936out:
1937 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1938 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1939 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1940 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1941 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1942 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1943 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1944 }
1945 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1946 tg3_writephy(tp, 0x1c, 0x8d68);
1947 tg3_writephy(tp, 0x1c, 0x8d68);
1948 }
1949 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1950 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1951 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1952 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1953 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1954 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1955 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1956 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1957 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1958 }
c424cb24
MC		 1959 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1960 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1961 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1962 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1963 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1964 tg3_writephy(tp, MII_TG3_TEST1,
1965 MII_TG3_TEST1_TRIM_EN | 0x4);
1966 } else
1967 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1968 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1969 }
1da177e4
LT		 1970 /* Set Extended packet length bit (bit 14) on all chips that */
1971 /* support jumbo frames */
1972 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1973 /* Cannot do read-modify-write on 5401 */
1974 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
8f666b07 1975 } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1da177e4
LT		 1976 u32 phy_reg;
1977
1978 /* Set bit 14 with read-modify-write to preserve other bits */
1979 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1980 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1981 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1982 }
1983
1984 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1985 * jumbo frames transmission.
1986 */
8f666b07 1987 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1da177e4
LT		 1988 u32 phy_reg;
1989
1990 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1991 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1992 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1993 }
1994
715116a1 1995 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
715116a1 1996 /* adjust output voltage */
535ef6e1 1997 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
715116a1
MC		 1998 }
1999
9ef8ca99 2000 tg3_phy_toggle_automdix(tp, 1);
1da177e4
LT		 2001 tg3_phy_set_wirespeed(tp);
2002 return 0;
2003}
2004
2005static void tg3_frob_aux_power(struct tg3 *tp)
2006{
2007 struct tg3 *tp_peer = tp;
2008
9d26e213 2009 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 2010 return;
2011
f6eb9b1f
MC		 2012 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2013 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2014 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8c2dc7e1
MC		 2015 struct net_device *dev_peer;
2016
2017 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 2018 /* remove_one() may have been run on the peer. */
8c2dc7e1 2019 if (!dev_peer)
bc1c7567
MC		 2020 tp_peer = tp;
2021 else
2022 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 2023 }
2024
1da177e4 2025 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 2026 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2027 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2028 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 2029 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2030 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 2031 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2032 (GRC_LCLCTRL_GPIO_OE0 |
2033 GRC_LCLCTRL_GPIO_OE1 |
2034 GRC_LCLCTRL_GPIO_OE2 |
2035 GRC_LCLCTRL_GPIO_OUTPUT0 |
2036 GRC_LCLCTRL_GPIO_OUTPUT1),
2037 100);
8d519ab2
MC		 2038 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2039 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
5f0c4a3c
MC		 2040 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2041 u32 grc_local_ctrl = 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 tp->grc_local_ctrl;
2047 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2048
2049 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2050 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2051
2052 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2053 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1da177e4
LT		 2054 } else {
2055 u32 no_gpio2;
dc56b7d4 2056 u32 grc_local_ctrl = 0;
1da177e4
LT		 2057
2058 if (tp_peer != tp &&
2059 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2060 return;
2061
dc56b7d4
MC		 2062 /* Workaround to prevent overdrawing Amps. */
2063 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2064 ASIC_REV_5714) {
2065 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 2066 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2067 grc_local_ctrl, 100);
dc56b7d4
MC		 2068 }
2069
1da177e4
LT		 2070 /* On 5753 and variants, GPIO2 cannot be used. */
2071 no_gpio2 = tp->nic_sram_data_cfg &
2072 NIC_SRAM_DATA_CFG_NO_GPIO2;
2073
dc56b7d4 2074 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 2075 GRC_LCLCTRL_GPIO_OE1 |
2076 GRC_LCLCTRL_GPIO_OE2 |
2077 GRC_LCLCTRL_GPIO_OUTPUT1 |
2078 GRC_LCLCTRL_GPIO_OUTPUT2;
2079 if (no_gpio2) {
2080 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2081 GRC_LCLCTRL_GPIO_OUTPUT2);
2082 }
b401e9e2
MC		 2083 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2084 grc_local_ctrl, 100);
1da177e4
LT		 2085
2086 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2087
b401e9e2
MC		 2088 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2089 grc_local_ctrl, 100);
1da177e4
LT		 2090
2091 if (!no_gpio2) {
2092 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 2093 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2094 grc_local_ctrl, 100);
1da177e4
LT		 2095 }
2096 }
2097 } else {
2098 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2099 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2100 if (tp_peer != tp &&
2101 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2102 return;
2103
b401e9e2
MC		 2104 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2105 (GRC_LCLCTRL_GPIO_OE1 |
2106 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 2107
b401e9e2
MC		 2108 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2109 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 2110
b401e9e2
MC		 2111 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2112 (GRC_LCLCTRL_GPIO_OE1 |
2113 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 2114 }
2115 }
2116}
2117
e8f3f6ca
MC		 2118static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2119{
2120 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2121 return 1;
2122 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2123 if (speed != SPEED_10)
2124 return 1;
2125 } else if (speed == SPEED_10)
2126 return 1;
2127
2128 return 0;
2129}
2130
1da177e4
LT		 2131static int tg3_setup_phy(struct tg3 *, int);
2132
2133#define RESET_KIND_SHUTDOWN 0
2134#define RESET_KIND_INIT 1
2135#define RESET_KIND_SUSPEND 2
2136
2137static void tg3_write_sig_post_reset(struct tg3 *, int);
2138static int tg3_halt_cpu(struct tg3 *, u32);
2139
0a459aac 2140static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
15c3b696 2141{
ce057f01
MC		 2142 u32 val;
2143
5129724a
MC		 2144 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2145 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2146 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2147 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2148
2149 sg_dig_ctrl |=
2150 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2151 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2152 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2153 }
3f7045c1 2154 return;
5129724a 2155 }
3f7045c1 2156
60189ddf 2157 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
60189ddf
MC		 2158 tg3_bmcr_reset(tp);
2159 val = tr32(GRC_MISC_CFG);
2160 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2161 udelay(40);
2162 return;
0e5f784c
MC		 2163 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2164 u32 phytest;
2165 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2166 u32 phy;
2167
2168 tg3_writephy(tp, MII_ADVERTISE, 0);
2169 tg3_writephy(tp, MII_BMCR,
2170 BMCR_ANENABLE | BMCR_ANRESTART);
2171
2172 tg3_writephy(tp, MII_TG3_FET_TEST,
2173 phytest | MII_TG3_FET_SHADOW_EN);
2174 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2175 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2176 tg3_writephy(tp,
2177 MII_TG3_FET_SHDW_AUXMODE4,
2178 phy);
2179 }
2180 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2181 }
2182 return;
0a459aac 2183 } else if (do_low_power) {
715116a1
MC		 2184 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2185 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
0a459aac
MC		 2186
2187 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2188 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2189 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2190 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2191 MII_TG3_AUXCTL_PCTL_VREG_11V);
715116a1 2192 }
3f7045c1 2193
15c3b696
MC		 2194 /* The PHY should not be powered down on some chips because
2195 * of bugs.
2196 */
2197 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2198 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2199 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2200 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2201 return;
ce057f01 2202
bcb37f6c
MC		 2203 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2204 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
ce057f01
MC		 2205 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2206 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2207 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2208 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2209 }
2210
15c3b696
MC		 2211 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2212}
2213
ffbcfed4
MC		 2214/* tp->lock is held. */
2215static int tg3_nvram_lock(struct tg3 *tp)
2216{
2217 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2218 int i;
2219
2220 if (tp->nvram_lock_cnt == 0) {
2221 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2222 for (i = 0; i < 8000; i++) {
2223 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2224 break;
2225 udelay(20);
2226 }
2227 if (i == 8000) {
2228 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2229 return -ENODEV;
2230 }
2231 }
2232 tp->nvram_lock_cnt++;
2233 }
2234 return 0;
2235}
2236
2237/* tp->lock is held. */
2238static void tg3_nvram_unlock(struct tg3 *tp)
2239{
2240 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2241 if (tp->nvram_lock_cnt > 0)
2242 tp->nvram_lock_cnt--;
2243 if (tp->nvram_lock_cnt == 0)
2244 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2245 }
2246}
2247
2248/* tp->lock is held. */
2249static void tg3_enable_nvram_access(struct tg3 *tp)
2250{
2251 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 2252 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
ffbcfed4
MC		 2253 u32 nvaccess = tr32(NVRAM_ACCESS);
2254
2255 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2256 }
2257}
2258
2259/* tp->lock is held. */
2260static void tg3_disable_nvram_access(struct tg3 *tp)
2261{
2262 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 2263 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
ffbcfed4
MC		 2264 u32 nvaccess = tr32(NVRAM_ACCESS);
2265
2266 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2267 }
2268}
2269
2270static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2271 u32 offset, u32 *val)
2272{
2273 u32 tmp;
2274 int i;
2275
2276 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2277 return -EINVAL;
2278
2279 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2280 EEPROM_ADDR_DEVID_MASK |
2281 EEPROM_ADDR_READ);
2282 tw32(GRC_EEPROM_ADDR,
2283 tmp |
2284 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2285 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2286 EEPROM_ADDR_ADDR_MASK) |
2287 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2288
2289 for (i = 0; i < 1000; i++) {
2290 tmp = tr32(GRC_EEPROM_ADDR);
2291
2292 if (tmp & EEPROM_ADDR_COMPLETE)
2293 break;
2294 msleep(1);
2295 }
2296 if (!(tmp & EEPROM_ADDR_COMPLETE))
2297 return -EBUSY;
2298
62cedd11
MC		 2299 tmp = tr32(GRC_EEPROM_DATA);
2300
2301 /*
2302 * The data will always be opposite the native endian
2303 * format. Perform a blind byteswap to compensate.
2304 */
2305 *val = swab32(tmp);
2306
ffbcfed4
MC		 2307 return 0;
2308}
2309
2310#define NVRAM_CMD_TIMEOUT 10000
2311
2312static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2313{
2314 int i;
2315
2316 tw32(NVRAM_CMD, nvram_cmd);
2317 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2318 udelay(10);
2319 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2320 udelay(10);
2321 break;
2322 }
2323 }
2324
2325 if (i == NVRAM_CMD_TIMEOUT)
2326 return -EBUSY;
2327
2328 return 0;
2329}
2330
2331static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2332{
2333 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2334 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2335 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2336 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2337 (tp->nvram_jedecnum == JEDEC_ATMEL))
2338
2339 addr = ((addr / tp->nvram_pagesize) <<
2340 ATMEL_AT45DB0X1B_PAGE_POS) +
2341 (addr % tp->nvram_pagesize);
2342
2343 return addr;
2344}
2345
2346static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2347{
2348 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2349 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2350 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2351 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2352 (tp->nvram_jedecnum == JEDEC_ATMEL))
2353
2354 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2355 tp->nvram_pagesize) +
2356 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2357
2358 return addr;
2359}
2360
e4f34110
MC		 2361/* NOTE: Data read in from NVRAM is byteswapped according to
2362 * the byteswapping settings for all other register accesses.
2363 * tg3 devices are BE devices, so on a BE machine, the data
2364 * returned will be exactly as it is seen in NVRAM. On a LE
2365 * machine, the 32-bit value will be byteswapped.
2366 */
ffbcfed4
MC		 2367static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2368{
2369 int ret;
2370
2371 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2372 return tg3_nvram_read_using_eeprom(tp, offset, val);
2373
2374 offset = tg3_nvram_phys_addr(tp, offset);
2375
2376 if (offset > NVRAM_ADDR_MSK)
2377 return -EINVAL;
2378
2379 ret = tg3_nvram_lock(tp);
2380 if (ret)
2381 return ret;
2382
2383 tg3_enable_nvram_access(tp);
2384
2385 tw32(NVRAM_ADDR, offset);
2386 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2387 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2388
2389 if (ret == 0)
e4f34110 2390 *val = tr32(NVRAM_RDDATA);
ffbcfed4
MC		 2391
2392 tg3_disable_nvram_access(tp);
2393
2394 tg3_nvram_unlock(tp);
2395
2396 return ret;
2397}
2398
a9dc529d
MC		 2399/* Ensures NVRAM data is in bytestream format. */
2400static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
ffbcfed4
MC		 2401{
2402 u32 v;
a9dc529d 2403 int res = tg3_nvram_read(tp, offset, &v);
ffbcfed4 2404 if (!res)
a9dc529d 2405 *val = cpu_to_be32(v);
ffbcfed4
MC		 2406 return res;
2407}
2408
3f007891
MC		 2409/* tp->lock is held. */
2410static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2411{
2412 u32 addr_high, addr_low;
2413 int i;
2414
2415 addr_high = ((tp->dev->dev_addr[0] << 8) |
2416 tp->dev->dev_addr[1]);
2417 addr_low = ((tp->dev->dev_addr[2] << 24) |
2418 (tp->dev->dev_addr[3] << 16) |
2419 (tp->dev->dev_addr[4] << 8) |
2420 (tp->dev->dev_addr[5] << 0));
2421 for (i = 0; i < 4; i++) {
2422 if (i == 1 && skip_mac_1)
2423 continue;
2424 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2425 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2426 }
2427
2428 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2429 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2430 for (i = 0; i < 12; i++) {
2431 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2432 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2433 }
2434 }
2435
2436 addr_high = (tp->dev->dev_addr[0] +
2437 tp->dev->dev_addr[1] +
2438 tp->dev->dev_addr[2] +
2439 tp->dev->dev_addr[3] +
2440 tp->dev->dev_addr[4] +
2441 tp->dev->dev_addr[5]) &
2442 TX_BACKOFF_SEED_MASK;
2443 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2444}
2445
bc1c7567 2446static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 2447{
2448 u32 misc_host_ctrl;
0a459aac 2449 bool device_should_wake, do_low_power;
1da177e4
LT		 2450
2451 /* Make sure register accesses (indirect or otherwise)
2452 * will function correctly.
2453 */
2454 pci_write_config_dword(tp->pdev,
2455 TG3PCI_MISC_HOST_CTRL,
2456 tp->misc_host_ctrl);
2457
1da177e4 2458 switch (state) {
bc1c7567 2459 case PCI_D0:
12dac075
RW		 2460 pci_enable_wake(tp->pdev, state, false);
2461 pci_set_power_state(tp->pdev, PCI_D0);
8c6bda1a 2462
9d26e213
MC		 2463 /* Switch out of Vaux if it is a NIC */
2464 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 2465 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 2466
2467 return 0;
2468
bc1c7567 2469 case PCI_D1:
bc1c7567 2470 case PCI_D2:
bc1c7567 2471 case PCI_D3hot:
1da177e4
LT		 2472 break;
2473
2474 default:
12dac075
RW		 2475 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2476 tp->dev->name, state);
1da177e4 2477 return -EINVAL;
855e1111 2478 }
5e7dfd0f
MC		 2479
2480 /* Restore the CLKREQ setting. */
2481 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2482 u16 lnkctl;
2483
2484 pci_read_config_word(tp->pdev,
2485 tp->pcie_cap + PCI_EXP_LNKCTL,
2486 &lnkctl);
2487 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2488 pci_write_config_word(tp->pdev,
2489 tp->pcie_cap + PCI_EXP_LNKCTL,
2490 lnkctl);
2491 }
2492
1da177e4
LT		 2493 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2494 tw32(TG3PCI_MISC_HOST_CTRL,
2495 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2496
05ac4cb7
MC		 2497 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2498 device_may_wakeup(&tp->pdev->dev) &&
2499 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2500
dd477003 2501 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
0a459aac 2502 do_low_power = false;
b02fd9e3
MC		 2503 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2504 !tp->link_config.phy_is_low_power) {
2505 struct phy_device *phydev;
0a459aac 2506 u32 phyid, advertising;
b02fd9e3 2507
3f0e3ad7 2508 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
b02fd9e3
MC		 2509
2510 tp->link_config.phy_is_low_power = 1;
2511
2512 tp->link_config.orig_speed = phydev->speed;
2513 tp->link_config.orig_duplex = phydev->duplex;
2514 tp->link_config.orig_autoneg = phydev->autoneg;
2515 tp->link_config.orig_advertising = phydev->advertising;
2516
2517 advertising = ADVERTISED_TP |
2518 ADVERTISED_Pause |
2519 ADVERTISED_Autoneg |
2520 ADVERTISED_10baseT_Half;
2521
2522 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
05ac4cb7 2523 device_should_wake) {
b02fd9e3
MC		 2524 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2525 advertising |=
2526 ADVERTISED_100baseT_Half |
2527 ADVERTISED_100baseT_Full |
2528 ADVERTISED_10baseT_Full;
2529 else
2530 advertising |= ADVERTISED_10baseT_Full;
2531 }
2532
2533 phydev->advertising = advertising;
2534
2535 phy_start_aneg(phydev);
0a459aac
MC		 2536
2537 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2538 if (phyid != TG3_PHY_ID_BCMAC131) {
2539 phyid &= TG3_PHY_OUI_MASK;
f72b5349
RK		 2540 if (phyid == TG3_PHY_OUI_1 ||
2541 phyid == TG3_PHY_OUI_2 ||
0a459aac
MC		 2542 phyid == TG3_PHY_OUI_3)
2543 do_low_power = true;
2544 }
b02fd9e3 2545 }
dd477003 2546 } else {
2023276e 2547 do_low_power = true;
0a459aac 2548
dd477003
MC		 2549 if (tp->link_config.phy_is_low_power == 0) {
2550 tp->link_config.phy_is_low_power = 1;
2551 tp->link_config.orig_speed = tp->link_config.speed;
2552 tp->link_config.orig_duplex = tp->link_config.duplex;
2553 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2554 }
1da177e4 2555
dd477003
MC		 2556 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2557 tp->link_config.speed = SPEED_10;
2558 tp->link_config.duplex = DUPLEX_HALF;
2559 tp->link_config.autoneg = AUTONEG_ENABLE;
2560 tg3_setup_phy(tp, 0);
2561 }
1da177e4
LT		 2562 }
2563
b5d3772c
MC		 2564 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2565 u32 val;
2566
2567 val = tr32(GRC_VCPU_EXT_CTRL);
2568 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2569 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 2570 int i;
2571 u32 val;
2572
2573 for (i = 0; i < 200; i++) {
2574 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2575 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2576 break;
2577 msleep(1);
2578 }
2579 }
a85feb8c
GZ		 2580 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2581 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2582 WOL_DRV_STATE_SHUTDOWN |
2583 WOL_DRV_WOL |
2584 WOL_SET_MAGIC_PKT);
6921d201 2585
05ac4cb7 2586 if (device_should_wake) {
1da177e4
LT		 2587 u32 mac_mode;
2588
2589 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
0a459aac 2590 if (do_low_power) {
dd477003
MC		 2591 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2592 udelay(40);
2593 }
1da177e4 2594
3f7045c1
MC		 2595 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2596 mac_mode = MAC_MODE_PORT_MODE_GMII;
2597 else
2598 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4 2599
e8f3f6ca
MC		 2600 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2601 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2602 ASIC_REV_5700) {
2603 u32 speed = (tp->tg3_flags &
2604 TG3_FLAG_WOL_SPEED_100MB) ?
2605 SPEED_100 : SPEED_10;
2606 if (tg3_5700_link_polarity(tp, speed))
2607 mac_mode |= MAC_MODE_LINK_POLARITY;
2608 else
2609 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2610 }
1da177e4
LT		 2611 } else {
2612 mac_mode = MAC_MODE_PORT_MODE_TBI;
2613 }
2614
cbf46853 2615 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 2616 tw32(MAC_LED_CTRL, tp->led_ctrl);
2617
05ac4cb7
MC		 2618 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2619 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2620 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2621 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2622 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2623 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
1da177e4 2624
3bda1258
MC		 2625 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2626 mac_mode |= tp->mac_mode &
2627 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2628 if (mac_mode & MAC_MODE_APE_TX_EN)
2629 mac_mode |= MAC_MODE_TDE_ENABLE;
2630 }
2631
1da177e4
LT		 2632 tw32_f(MAC_MODE, mac_mode);
2633 udelay(100);
2634
2635 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2636 udelay(10);
2637 }
2638
2639 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2640 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2641 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2642 u32 base_val;
2643
2644 base_val = tp->pci_clock_ctrl;
2645 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2646 CLOCK_CTRL_TXCLK_DISABLE);
2647
b401e9e2
MC		 2648 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2649 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857 2650 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
795d01c5 2651 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
d7b0a857 2652 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 2653 /* do nothing */
85e94ced 2654 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 2655 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2656 u32 newbits1, newbits2;
2657
2658 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2659 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2660 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2661 CLOCK_CTRL_TXCLK_DISABLE |
2662 CLOCK_CTRL_ALTCLK);
2663 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2664 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2665 newbits1 = CLOCK_CTRL_625_CORE;
2666 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2667 } else {
2668 newbits1 = CLOCK_CTRL_ALTCLK;
2669 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2670 }
2671
b401e9e2
MC		 2672 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2673 40);
1da177e4 2674
b401e9e2
MC		 2675 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2676 40);
1da177e4
LT		 2677
2678 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2679 u32 newbits3;
2680
2681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2682 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2683 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2684 CLOCK_CTRL_TXCLK_DISABLE |
2685 CLOCK_CTRL_44MHZ_CORE);
2686 } else {
2687 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2688 }
2689
b401e9e2
MC		 2690 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2691 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 2692 }
2693 }
2694
05ac4cb7 2695 if (!(device_should_wake) &&
22435849 2696 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
0a459aac 2697 tg3_power_down_phy(tp, do_low_power);
6921d201 2698
1da177e4
LT		 2699 tg3_frob_aux_power(tp);
2700
2701 /* Workaround for unstable PLL clock */
2702 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2703 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2704 u32 val = tr32(0x7d00);
2705
2706 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2707 tw32(0x7d00, val);
6921d201 2708 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 2709 int err;
2710
2711 err = tg3_nvram_lock(tp);
1da177e4 2712 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 2713 if (!err)
2714 tg3_nvram_unlock(tp);
6921d201 2715 }
1da177e4
LT		 2716 }
2717
bbadf503
MC		 2718 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2719
05ac4cb7 2720 if (device_should_wake)
12dac075
RW		 2721 pci_enable_wake(tp->pdev, state, true);
2722
1da177e4 2723 /* Finally, set the new power state. */
12dac075 2724 pci_set_power_state(tp->pdev, state);
1da177e4 2725
1da177e4
LT		 2726 return 0;
2727}
2728
1da177e4
LT		 2729static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2730{
2731 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2732 case MII_TG3_AUX_STAT_10HALF:
2733 *speed = SPEED_10;
2734 *duplex = DUPLEX_HALF;
2735 break;
2736
2737 case MII_TG3_AUX_STAT_10FULL:
2738 *speed = SPEED_10;
2739 *duplex = DUPLEX_FULL;
2740 break;
2741
2742 case MII_TG3_AUX_STAT_100HALF:
2743 *speed = SPEED_100;
2744 *duplex = DUPLEX_HALF;
2745 break;
2746
2747 case MII_TG3_AUX_STAT_100FULL:
2748 *speed = SPEED_100;
2749 *duplex = DUPLEX_FULL;
2750 break;
2751
2752 case MII_TG3_AUX_STAT_1000HALF:
2753 *speed = SPEED_1000;
2754 *duplex = DUPLEX_HALF;
2755 break;
2756
2757 case MII_TG3_AUX_STAT_1000FULL:
2758 *speed = SPEED_1000;
2759 *duplex = DUPLEX_FULL;
2760 break;
2761
2762 default:
7f97a4bd 2763 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
715116a1
MC		 2764 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2765 SPEED_10;
2766 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2767 DUPLEX_HALF;
2768 break;
2769 }
1da177e4
LT		 2770 *speed = SPEED_INVALID;
2771 *duplex = DUPLEX_INVALID;
2772 break;
855e1111 2773 }
1da177e4
LT		 2774}
2775
2776static void tg3_phy_copper_begin(struct tg3 *tp)
2777{
2778 u32 new_adv;
2779 int i;
2780
2781 if (tp->link_config.phy_is_low_power) {
2782 /* Entering low power mode. Disable gigabit and
2783 * 100baseT advertisements.
2784 */
2785 tg3_writephy(tp, MII_TG3_CTRL, 0);
2786
2787 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2788 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2789 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2790 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2791
2792 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2793 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 2794 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2795 tp->link_config.advertising &=
2796 ~(ADVERTISED_1000baseT_Half |
2797 ADVERTISED_1000baseT_Full);
2798
ba4d07a8 2799 new_adv = ADVERTISE_CSMA;
1da177e4
LT		 2800 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2801 new_adv |= ADVERTISE_10HALF;
2802 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2803 new_adv |= ADVERTISE_10FULL;
2804 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2805 new_adv |= ADVERTISE_100HALF;
2806 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2807 new_adv |= ADVERTISE_100FULL;
ba4d07a8
MC		 2808
2809 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2810
1da177e4
LT		 2811 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2812
2813 if (tp->link_config.advertising &
2814 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2815 new_adv = 0;
2816 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2817 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2818 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2819 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2820 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2821 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2822 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2823 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2824 MII_TG3_CTRL_ENABLE_AS_MASTER);
2825 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2826 } else {
2827 tg3_writephy(tp, MII_TG3_CTRL, 0);
2828 }
2829 } else {
ba4d07a8
MC		 2830 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2831 new_adv |= ADVERTISE_CSMA;
2832
1da177e4
LT		 2833 /* Asking for a specific link mode. */
2834 if (tp->link_config.speed == SPEED_1000) {
1da177e4
LT		 2835 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2836
2837 if (tp->link_config.duplex == DUPLEX_FULL)
2838 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2839 else
2840 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2841 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2842 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2843 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2844 MII_TG3_CTRL_ENABLE_AS_MASTER);
1da177e4 2845 } else {
1da177e4
LT		 2846 if (tp->link_config.speed == SPEED_100) {
2847 if (tp->link_config.duplex == DUPLEX_FULL)
2848 new_adv |= ADVERTISE_100FULL;
2849 else
2850 new_adv |= ADVERTISE_100HALF;
2851 } else {
2852 if (tp->link_config.duplex == DUPLEX_FULL)
2853 new_adv |= ADVERTISE_10FULL;
2854 else
2855 new_adv |= ADVERTISE_10HALF;
2856 }
2857 tg3_writephy(tp, MII_ADVERTISE, new_adv);
ba4d07a8
MC		 2858
2859 new_adv = 0;
1da177e4 2860 }
ba4d07a8
MC		 2861
2862 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1da177e4
LT		 2863 }
2864
2865 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2866 tp->link_config.speed != SPEED_INVALID) {
2867 u32 bmcr, orig_bmcr;
2868
2869 tp->link_config.active_speed = tp->link_config.speed;
2870 tp->link_config.active_duplex = tp->link_config.duplex;
2871
2872 bmcr = 0;
2873 switch (tp->link_config.speed) {
2874 default:
2875 case SPEED_10:
2876 break;
2877
2878 case SPEED_100:
2879 bmcr |= BMCR_SPEED100;
2880 break;
2881
2882 case SPEED_1000:
2883 bmcr |= TG3_BMCR_SPEED1000;
2884 break;
855e1111 2885 }
1da177e4
LT		 2886
2887 if (tp->link_config.duplex == DUPLEX_FULL)
2888 bmcr |= BMCR_FULLDPLX;
2889
2890 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2891 (bmcr != orig_bmcr)) {
2892 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2893 for (i = 0; i < 1500; i++) {
2894 u32 tmp;
2895
2896 udelay(10);
2897 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2898 tg3_readphy(tp, MII_BMSR, &tmp))
2899 continue;
2900 if (!(tmp & BMSR_LSTATUS)) {
2901 udelay(40);
2902 break;
2903 }
2904 }
2905 tg3_writephy(tp, MII_BMCR, bmcr);
2906 udelay(40);
2907 }
2908 } else {
2909 tg3_writephy(tp, MII_BMCR,
2910 BMCR_ANENABLE | BMCR_ANRESTART);
2911 }
2912}
2913
2914static int tg3_init_5401phy_dsp(struct tg3 *tp)
2915{
2916 int err;
2917
2918 /* Turn off tap power management. */
2919 /* Set Extended packet length bit */
2920 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2921
2922 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2923 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2924
2925 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2926 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2927
2928 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2929 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2930
2931 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2932 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2933
2934 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2935 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2936
2937 udelay(40);
2938
2939 return err;
2940}
2941
3600d918 2942static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 2943{
3600d918
MC		 2944 u32 adv_reg, all_mask = 0;
2945
2946 if (mask & ADVERTISED_10baseT_Half)
2947 all_mask |= ADVERTISE_10HALF;
2948 if (mask & ADVERTISED_10baseT_Full)
2949 all_mask |= ADVERTISE_10FULL;
2950 if (mask & ADVERTISED_100baseT_Half)
2951 all_mask |= ADVERTISE_100HALF;
2952 if (mask & ADVERTISED_100baseT_Full)
2953 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 2954
2955 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2956 return 0;
2957
1da177e4
LT		 2958 if ((adv_reg & all_mask) != all_mask)
2959 return 0;
2960 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2961 u32 tg3_ctrl;
2962
3600d918
MC		 2963 all_mask = 0;
2964 if (mask & ADVERTISED_1000baseT_Half)
2965 all_mask |= ADVERTISE_1000HALF;
2966 if (mask & ADVERTISED_1000baseT_Full)
2967 all_mask |= ADVERTISE_1000FULL;
2968
1da177e4
LT		 2969 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2970 return 0;
2971
1da177e4
LT		 2972 if ((tg3_ctrl & all_mask) != all_mask)
2973 return 0;
2974 }
2975 return 1;
2976}
2977
ef167e27
MC		 2978static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2979{
2980 u32 curadv, reqadv;
2981
2982 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2983 return 1;
2984
2985 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2986 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2987
2988 if (tp->link_config.active_duplex == DUPLEX_FULL) {
2989 if (curadv != reqadv)
2990 return 0;
2991
2992 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2993 tg3_readphy(tp, MII_LPA, rmtadv);
2994 } else {
2995 /* Reprogram the advertisement register, even if it
2996 * does not affect the current link. If the link
2997 * gets renegotiated in the future, we can save an
2998 * additional renegotiation cycle by advertising
2999 * it correctly in the first place.
3000 */
3001 if (curadv != reqadv) {
3002 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3003 ADVERTISE_PAUSE_ASYM);
3004 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3005 }
3006 }
3007
3008 return 1;
3009}
3010
1da177e4
LT		 3011static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3012{
3013 int current_link_up;
3014 u32 bmsr, dummy;
ef167e27 3015 u32 lcl_adv, rmt_adv;
1da177e4
LT		 3016 u16 current_speed;
3017 u8 current_duplex;
3018 int i, err;
3019
3020 tw32(MAC_EVENT, 0);
3021
3022 tw32_f(MAC_STATUS,
3023 (MAC_STATUS_SYNC_CHANGED |
3024 MAC_STATUS_CFG_CHANGED |
3025 MAC_STATUS_MI_COMPLETION |
3026 MAC_STATUS_LNKSTATE_CHANGED));
3027 udelay(40);
3028
8ef21428
MC		 3029 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3030 tw32_f(MAC_MI_MODE,
3031 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3032 udelay(80);
3033 }
1da177e4
LT		 3034
3035 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3036
3037 /* Some third-party PHYs need to be reset on link going
3038 * down.
3039 */
3040 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3041 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3042 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3043 netif_carrier_ok(tp->dev)) {
3044 tg3_readphy(tp, MII_BMSR, &bmsr);
3045 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3046 !(bmsr & BMSR_LSTATUS))
3047 force_reset = 1;
3048 }
3049 if (force_reset)
3050 tg3_phy_reset(tp);
3051
3052 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
3053 tg3_readphy(tp, MII_BMSR, &bmsr);
3054 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3055 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3056 bmsr = 0;
3057
3058 if (!(bmsr & BMSR_LSTATUS)) {
3059 err = tg3_init_5401phy_dsp(tp);
3060 if (err)
3061 return err;
3062
3063 tg3_readphy(tp, MII_BMSR, &bmsr);
3064 for (i = 0; i < 1000; i++) {
3065 udelay(10);
3066 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3067 (bmsr & BMSR_LSTATUS)) {
3068 udelay(40);
3069 break;
3070 }
3071 }
3072
3073 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
3074 !(bmsr & BMSR_LSTATUS) &&
3075 tp->link_config.active_speed == SPEED_1000) {
3076 err = tg3_phy_reset(tp);
3077 if (!err)
3078 err = tg3_init_5401phy_dsp(tp);
3079 if (err)
3080 return err;
3081 }
3082 }
3083 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3084 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3085 /* 5701 {A0,B0} CRC bug workaround */
3086 tg3_writephy(tp, 0x15, 0x0a75);
3087 tg3_writephy(tp, 0x1c, 0x8c68);
3088 tg3_writephy(tp, 0x1c, 0x8d68);
3089 tg3_writephy(tp, 0x1c, 0x8c68);
3090 }
3091
3092 /* Clear pending interrupts... */
3093 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3094 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3095
3096 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3097 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
7f97a4bd 3098 else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
1da177e4
LT		 3099 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3100
3101 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3102 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3103 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3104 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3105 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3106 else
3107 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3108 }
3109
3110 current_link_up = 0;
3111 current_speed = SPEED_INVALID;
3112 current_duplex = DUPLEX_INVALID;
3113
3114 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3115 u32 val;
3116
3117 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3118 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3119 if (!(val & (1 << 10))) {
3120 val |= (1 << 10);
3121 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3122 goto relink;
3123 }
3124 }
3125
3126 bmsr = 0;
3127 for (i = 0; i < 100; i++) {
3128 tg3_readphy(tp, MII_BMSR, &bmsr);
3129 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3130 (bmsr & BMSR_LSTATUS))
3131 break;
3132 udelay(40);
3133 }
3134
3135 if (bmsr & BMSR_LSTATUS) {
3136 u32 aux_stat, bmcr;
3137
3138 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3139 for (i = 0; i < 2000; i++) {
3140 udelay(10);
3141 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3142 aux_stat)
3143 break;
3144 }
3145
3146 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3147 &current_speed,
3148 &current_duplex);
3149
3150 bmcr = 0;
3151 for (i = 0; i < 200; i++) {
3152 tg3_readphy(tp, MII_BMCR, &bmcr);
3153 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3154 continue;
3155 if (bmcr && bmcr != 0x7fff)
3156 break;
3157 udelay(10);
3158 }
3159
ef167e27
MC		 3160 lcl_adv = 0;
3161 rmt_adv = 0;
1da177e4 3162
ef167e27
MC		 3163 tp->link_config.active_speed = current_speed;
3164 tp->link_config.active_duplex = current_duplex;
3165
3166 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3167 if ((bmcr & BMCR_ANENABLE) &&
3168 tg3_copper_is_advertising_all(tp,
3169 tp->link_config.advertising)) {
3170 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3171 &rmt_adv))
3172 current_link_up = 1;
1da177e4
LT		 3173 }
3174 } else {
3175 if (!(bmcr & BMCR_ANENABLE) &&
3176 tp->link_config.speed == current_speed &&
ef167e27
MC		 3177 tp->link_config.duplex == current_duplex &&
3178 tp->link_config.flowctrl ==
3179 tp->link_config.active_flowctrl) {
1da177e4 3180 current_link_up = 1;
1da177e4
LT		 3181 }
3182 }
3183
ef167e27
MC		 3184 if (current_link_up == 1 &&
3185 tp->link_config.active_duplex == DUPLEX_FULL)
3186 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1da177e4
LT		 3187 }
3188
1da177e4 3189relink:
6921d201 3190 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 3191 u32 tmp;
3192
3193 tg3_phy_copper_begin(tp);
3194
3195 tg3_readphy(tp, MII_BMSR, &tmp);
3196 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3197 (tmp & BMSR_LSTATUS))
3198 current_link_up = 1;
3199 }
3200
3201 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3202 if (current_link_up == 1) {
3203 if (tp->link_config.active_speed == SPEED_100 ||
3204 tp->link_config.active_speed == SPEED_10)
3205 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3206 else
3207 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
7f97a4bd
MC		 3208 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3209 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3210 else
1da177e4
LT		 3211 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3212
3213 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3214 if (tp->link_config.active_duplex == DUPLEX_HALF)
3215 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3216
1da177e4 3217 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
e8f3f6ca
MC		 3218 if (current_link_up == 1 &&
3219 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
1da177e4 3220 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
e8f3f6ca
MC		 3221 else
3222 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1da177e4
LT		 3223 }
3224
3225 /* ??? Without this setting Netgear GA302T PHY does not
3226 * ??? send/receive packets...
3227 */
3228 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3229 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3230 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3231 tw32_f(MAC_MI_MODE, tp->mi_mode);
3232 udelay(80);
3233 }
3234
3235 tw32_f(MAC_MODE, tp->mac_mode);
3236 udelay(40);
3237
3238 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3239 /* Polled via timer. */
3240 tw32_f(MAC_EVENT, 0);
3241 } else {
3242 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3243 }
3244 udelay(40);
3245
3246 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3247 current_link_up == 1 &&
3248 tp->link_config.active_speed == SPEED_1000 &&
3249 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3250 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3251 udelay(120);
3252 tw32_f(MAC_STATUS,
3253 (MAC_STATUS_SYNC_CHANGED |
3254 MAC_STATUS_CFG_CHANGED));
3255 udelay(40);
3256 tg3_write_mem(tp,
3257 NIC_SRAM_FIRMWARE_MBOX,
3258 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3259 }
3260
5e7dfd0f
MC		 3261 /* Prevent send BD corruption. */
3262 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3263 u16 oldlnkctl, newlnkctl;
3264
3265 pci_read_config_word(tp->pdev,
3266 tp->pcie_cap + PCI_EXP_LNKCTL,
3267 &oldlnkctl);
3268 if (tp->link_config.active_speed == SPEED_100 ||
3269 tp->link_config.active_speed == SPEED_10)
3270 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3271 else
3272 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3273 if (newlnkctl != oldlnkctl)
3274 pci_write_config_word(tp->pdev,
3275 tp->pcie_cap + PCI_EXP_LNKCTL,
3276 newlnkctl);
3277 }
3278
1da177e4
LT		 3279 if (current_link_up != netif_carrier_ok(tp->dev)) {
3280 if (current_link_up)
3281 netif_carrier_on(tp->dev);
3282 else
3283 netif_carrier_off(tp->dev);
3284 tg3_link_report(tp);
3285 }
3286
3287 return 0;
3288}
3289
3290struct tg3_fiber_aneginfo {
3291 int state;
3292#define ANEG_STATE_UNKNOWN 0
3293#define ANEG_STATE_AN_ENABLE 1
3294#define ANEG_STATE_RESTART_INIT 2
3295#define ANEG_STATE_RESTART 3
3296#define ANEG_STATE_DISABLE_LINK_OK 4
3297#define ANEG_STATE_ABILITY_DETECT_INIT 5
3298#define ANEG_STATE_ABILITY_DETECT 6
3299#define ANEG_STATE_ACK_DETECT_INIT 7
3300#define ANEG_STATE_ACK_DETECT 8
3301#define ANEG_STATE_COMPLETE_ACK_INIT 9
3302#define ANEG_STATE_COMPLETE_ACK 10
3303#define ANEG_STATE_IDLE_DETECT_INIT 11
3304#define ANEG_STATE_IDLE_DETECT 12
3305#define ANEG_STATE_LINK_OK 13
3306#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3307#define ANEG_STATE_NEXT_PAGE_WAIT 15
3308
3309 u32 flags;
3310#define MR_AN_ENABLE 0x00000001
3311#define MR_RESTART_AN 0x00000002
3312#define MR_AN_COMPLETE 0x00000004
3313#define MR_PAGE_RX 0x00000008
3314#define MR_NP_LOADED 0x00000010
3315#define MR_TOGGLE_TX 0x00000020
3316#define MR_LP_ADV_FULL_DUPLEX 0x00000040
3317#define MR_LP_ADV_HALF_DUPLEX 0x00000080
3318#define MR_LP_ADV_SYM_PAUSE 0x00000100
3319#define MR_LP_ADV_ASYM_PAUSE 0x00000200
3320#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3321#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3322#define MR_LP_ADV_NEXT_PAGE 0x00001000
3323#define MR_TOGGLE_RX 0x00002000
3324#define MR_NP_RX 0x00004000
3325
3326#define MR_LINK_OK 0x80000000
3327
3328 unsigned long link_time, cur_time;
3329
3330 u32 ability_match_cfg;
3331 int ability_match_count;
3332
3333 char ability_match, idle_match, ack_match;
3334
3335 u32 txconfig, rxconfig;
3336#define ANEG_CFG_NP 0x00000080
3337#define ANEG_CFG_ACK 0x00000040
3338#define ANEG_CFG_RF2 0x00000020
3339#define ANEG_CFG_RF1 0x00000010
3340#define ANEG_CFG_PS2 0x00000001
3341#define ANEG_CFG_PS1 0x00008000
3342#define ANEG_CFG_HD 0x00004000
3343#define ANEG_CFG_FD 0x00002000
3344#define ANEG_CFG_INVAL 0x00001f06
3345
3346};
3347#define ANEG_OK 0
3348#define ANEG_DONE 1
3349#define ANEG_TIMER_ENAB 2
3350#define ANEG_FAILED -1
3351
3352#define ANEG_STATE_SETTLE_TIME 10000
3353
3354static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3355 struct tg3_fiber_aneginfo *ap)
3356{
5be73b47 3357 u16 flowctrl;
1da177e4
LT		 3358 unsigned long delta;
3359 u32 rx_cfg_reg;
3360 int ret;
3361
3362 if (ap->state == ANEG_STATE_UNKNOWN) {
3363 ap->rxconfig = 0;
3364 ap->link_time = 0;
3365 ap->cur_time = 0;
3366 ap->ability_match_cfg = 0;
3367 ap->ability_match_count = 0;
3368 ap->ability_match = 0;
3369 ap->idle_match = 0;
3370 ap->ack_match = 0;
3371 }
3372 ap->cur_time++;
3373
3374 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3375 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3376
3377 if (rx_cfg_reg != ap->ability_match_cfg) {
3378 ap->ability_match_cfg = rx_cfg_reg;
3379 ap->ability_match = 0;
3380 ap->ability_match_count = 0;
3381 } else {
3382 if (++ap->ability_match_count > 1) {
3383 ap->ability_match = 1;
3384 ap->ability_match_cfg = rx_cfg_reg;
3385 }
3386 }
3387 if (rx_cfg_reg & ANEG_CFG_ACK)
3388 ap->ack_match = 1;
3389 else
3390 ap->ack_match = 0;
3391
3392 ap->idle_match = 0;
3393 } else {
3394 ap->idle_match = 1;
3395 ap->ability_match_cfg = 0;
3396 ap->ability_match_count = 0;
3397 ap->ability_match = 0;
3398 ap->ack_match = 0;
3399
3400 rx_cfg_reg = 0;
3401 }
3402
3403 ap->rxconfig = rx_cfg_reg;
3404 ret = ANEG_OK;
3405
3406 switch(ap->state) {
3407 case ANEG_STATE_UNKNOWN:
3408 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3409 ap->state = ANEG_STATE_AN_ENABLE;
3410
3411 /* fallthru */
3412 case ANEG_STATE_AN_ENABLE:
3413 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3414 if (ap->flags & MR_AN_ENABLE) {
3415 ap->link_time = 0;
3416 ap->cur_time = 0;
3417 ap->ability_match_cfg = 0;
3418 ap->ability_match_count = 0;
3419 ap->ability_match = 0;
3420 ap->idle_match = 0;
3421 ap->ack_match = 0;
3422
3423 ap->state = ANEG_STATE_RESTART_INIT;
3424 } else {
3425 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3426 }
3427 break;
3428
3429 case ANEG_STATE_RESTART_INIT:
3430 ap->link_time = ap->cur_time;
3431 ap->flags &= ~(MR_NP_LOADED);
3432 ap->txconfig = 0;
3433 tw32(MAC_TX_AUTO_NEG, 0);
3434 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3435 tw32_f(MAC_MODE, tp->mac_mode);
3436 udelay(40);
3437
3438 ret = ANEG_TIMER_ENAB;
3439 ap->state = ANEG_STATE_RESTART;
3440
3441 /* fallthru */
3442 case ANEG_STATE_RESTART:
3443 delta = ap->cur_time - ap->link_time;
3444 if (delta > ANEG_STATE_SETTLE_TIME) {
3445 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3446 } else {
3447 ret = ANEG_TIMER_ENAB;
3448 }
3449 break;
3450
3451 case ANEG_STATE_DISABLE_LINK_OK:
3452 ret = ANEG_DONE;
3453 break;
3454
3455 case ANEG_STATE_ABILITY_DETECT_INIT:
3456 ap->flags &= ~(MR_TOGGLE_TX);
5be73b47
MC		 3457 ap->txconfig = ANEG_CFG_FD;
3458 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3459 if (flowctrl & ADVERTISE_1000XPAUSE)
3460 ap->txconfig |= ANEG_CFG_PS1;
3461 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3462 ap->txconfig |= ANEG_CFG_PS2;
1da177e4
LT		 3463 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3464 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3465 tw32_f(MAC_MODE, tp->mac_mode);
3466 udelay(40);
3467
3468 ap->state = ANEG_STATE_ABILITY_DETECT;
3469 break;
3470
3471 case ANEG_STATE_ABILITY_DETECT:
3472 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3473 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3474 }
3475 break;
3476
3477 case ANEG_STATE_ACK_DETECT_INIT:
3478 ap->txconfig |= ANEG_CFG_ACK;
3479 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3480 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3481 tw32_f(MAC_MODE, tp->mac_mode);
3482 udelay(40);
3483
3484 ap->state = ANEG_STATE_ACK_DETECT;
3485
3486 /* fallthru */
3487 case ANEG_STATE_ACK_DETECT:
3488 if (ap->ack_match != 0) {
3489 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3490 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3491 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3492 } else {
3493 ap->state = ANEG_STATE_AN_ENABLE;
3494 }
3495 } else if (ap->ability_match != 0 &&
3496 ap->rxconfig == 0) {
3497 ap->state = ANEG_STATE_AN_ENABLE;
3498 }
3499 break;
3500
3501 case ANEG_STATE_COMPLETE_ACK_INIT:
3502 if (ap->rxconfig & ANEG_CFG_INVAL) {
3503 ret = ANEG_FAILED;
3504 break;
3505 }
3506 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3507 MR_LP_ADV_HALF_DUPLEX |
3508 MR_LP_ADV_SYM_PAUSE |
3509 MR_LP_ADV_ASYM_PAUSE |
3510 MR_LP_ADV_REMOTE_FAULT1 |
3511 MR_LP_ADV_REMOTE_FAULT2 |
3512 MR_LP_ADV_NEXT_PAGE |
3513 MR_TOGGLE_RX |
3514 MR_NP_RX);
3515 if (ap->rxconfig & ANEG_CFG_FD)
3516 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3517 if (ap->rxconfig & ANEG_CFG_HD)
3518 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3519 if (ap->rxconfig & ANEG_CFG_PS1)
3520 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3521 if (ap->rxconfig & ANEG_CFG_PS2)
3522 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3523 if (ap->rxconfig & ANEG_CFG_RF1)
3524 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3525 if (ap->rxconfig & ANEG_CFG_RF2)
3526 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3527 if (ap->rxconfig & ANEG_CFG_NP)
3528 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3529
3530 ap->link_time = ap->cur_time;
3531
3532 ap->flags ^= (MR_TOGGLE_TX);
3533 if (ap->rxconfig & 0x0008)
3534 ap->flags |= MR_TOGGLE_RX;
3535 if (ap->rxconfig & ANEG_CFG_NP)
3536 ap->flags |= MR_NP_RX;
3537 ap->flags |= MR_PAGE_RX;
3538
3539 ap->state = ANEG_STATE_COMPLETE_ACK;
3540 ret = ANEG_TIMER_ENAB;
3541 break;
3542
3543 case ANEG_STATE_COMPLETE_ACK:
3544 if (ap->ability_match != 0 &&
3545 ap->rxconfig == 0) {
3546 ap->state = ANEG_STATE_AN_ENABLE;
3547 break;
3548 }
3549 delta = ap->cur_time - ap->link_time;
3550 if (delta > ANEG_STATE_SETTLE_TIME) {
3551 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3552 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3553 } else {
3554 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3555 !(ap->flags & MR_NP_RX)) {
3556 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3557 } else {
3558 ret = ANEG_FAILED;
3559 }
3560 }
3561 }
3562 break;
3563
3564 case ANEG_STATE_IDLE_DETECT_INIT:
3565 ap->link_time = ap->cur_time;
3566 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3567 tw32_f(MAC_MODE, tp->mac_mode);
3568 udelay(40);
3569
3570 ap->state = ANEG_STATE_IDLE_DETECT;
3571 ret = ANEG_TIMER_ENAB;
3572 break;
3573
3574 case ANEG_STATE_IDLE_DETECT:
3575 if (ap->ability_match != 0 &&
3576 ap->rxconfig == 0) {
3577 ap->state = ANEG_STATE_AN_ENABLE;
3578 break;
3579 }
3580 delta = ap->cur_time - ap->link_time;
3581 if (delta > ANEG_STATE_SETTLE_TIME) {
3582 /* XXX another gem from the Broadcom driver :( */
3583 ap->state = ANEG_STATE_LINK_OK;
3584 }
3585 break;
3586
3587 case ANEG_STATE_LINK_OK:
3588 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3589 ret = ANEG_DONE;
3590 break;
3591
3592 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3593 /* ??? unimplemented */
3594 break;
3595
3596 case ANEG_STATE_NEXT_PAGE_WAIT:
3597 /* ??? unimplemented */
3598 break;
3599
3600 default:
3601 ret = ANEG_FAILED;
3602 break;
855e1111 3603 }
1da177e4
LT		 3604
3605 return ret;
3606}
3607
5be73b47 3608static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
1da177e4
LT		 3609{
3610 int res = 0;
3611 struct tg3_fiber_aneginfo aninfo;
3612 int status = ANEG_FAILED;
3613 unsigned int tick;
3614 u32 tmp;
3615
3616 tw32_f(MAC_TX_AUTO_NEG, 0);
3617
3618 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3619 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3620 udelay(40);
3621
3622 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3623 udelay(40);
3624
3625 memset(&aninfo, 0, sizeof(aninfo));
3626 aninfo.flags |= MR_AN_ENABLE;
3627 aninfo.state = ANEG_STATE_UNKNOWN;
3628 aninfo.cur_time = 0;
3629 tick = 0;
3630 while (++tick < 195000) {
3631 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3632 if (status == ANEG_DONE || status == ANEG_FAILED)
3633 break;
3634
3635 udelay(1);
3636 }
3637
3638 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3639 tw32_f(MAC_MODE, tp->mac_mode);
3640 udelay(40);
3641
5be73b47
MC		 3642 *txflags = aninfo.txconfig;
3643 *rxflags = aninfo.flags;
1da177e4
LT		 3644
3645 if (status == ANEG_DONE &&
3646 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3647 MR_LP_ADV_FULL_DUPLEX)))
3648 res = 1;
3649
3650 return res;
3651}
3652
3653static void tg3_init_bcm8002(struct tg3 *tp)
3654{
3655 u32 mac_status = tr32(MAC_STATUS);
3656 int i;
3657
3658 /* Reset when initting first time or we have a link. */
3659 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3660 !(mac_status & MAC_STATUS_PCS_SYNCED))
3661 return;
3662
3663 /* Set PLL lock range. */
3664 tg3_writephy(tp, 0x16, 0x8007);
3665
3666 /* SW reset */
3667 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3668
3669 /* Wait for reset to complete. */
3670 /* XXX schedule_timeout() ... */
3671 for (i = 0; i < 500; i++)
3672 udelay(10);
3673
3674 /* Config mode; select PMA/Ch 1 regs. */
3675 tg3_writephy(tp, 0x10, 0x8411);
3676
3677 /* Enable auto-lock and comdet, select txclk for tx. */
3678 tg3_writephy(tp, 0x11, 0x0a10);
3679
3680 tg3_writephy(tp, 0x18, 0x00a0);
3681 tg3_writephy(tp, 0x16, 0x41ff);
3682
3683 /* Assert and deassert POR. */
3684 tg3_writephy(tp, 0x13, 0x0400);
3685 udelay(40);
3686 tg3_writephy(tp, 0x13, 0x0000);
3687
3688 tg3_writephy(tp, 0x11, 0x0a50);
3689 udelay(40);
3690 tg3_writephy(tp, 0x11, 0x0a10);
3691
3692 /* Wait for signal to stabilize */
3693 /* XXX schedule_timeout() ... */
3694 for (i = 0; i < 15000; i++)
3695 udelay(10);
3696
3697 /* Deselect the channel register so we can read the PHYID
3698 * later.
3699 */
3700 tg3_writephy(tp, 0x10, 0x8011);
3701}
3702
3703static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3704{
82cd3d11 3705 u16 flowctrl;
1da177e4
LT		 3706 u32 sg_dig_ctrl, sg_dig_status;
3707 u32 serdes_cfg, expected_sg_dig_ctrl;
3708 int workaround, port_a;
3709 int current_link_up;
3710
3711 serdes_cfg = 0;
3712 expected_sg_dig_ctrl = 0;
3713 workaround = 0;
3714 port_a = 1;
3715 current_link_up = 0;
3716
3717 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3718 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3719 workaround = 1;
3720 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3721 port_a = 0;
3722
3723 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3724 /* preserve bits 20-23 for voltage regulator */
3725 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3726 }
3727
3728 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3729
3730 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
c98f6e3b 3731 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
1da177e4
LT		 3732 if (workaround) {
3733 u32 val = serdes_cfg;
3734
3735 if (port_a)
3736 val |= 0xc010000;
3737 else
3738 val |= 0x4010000;
3739 tw32_f(MAC_SERDES_CFG, val);
3740 }
c98f6e3b
MC		 3741
3742 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 3743 }
3744 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3745 tg3_setup_flow_control(tp, 0, 0);
3746 current_link_up = 1;
3747 }
3748 goto out;
3749 }
3750
3751 /* Want auto-negotiation. */
c98f6e3b 3752 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
1da177e4 3753
82cd3d11
MC		 3754 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3755 if (flowctrl & ADVERTISE_1000XPAUSE)
3756 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3757 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3758 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
1da177e4
LT		 3759
3760 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 3761 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3762 tp->serdes_counter &&
3763 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3764 MAC_STATUS_RCVD_CFG)) ==
3765 MAC_STATUS_PCS_SYNCED)) {
3766 tp->serdes_counter--;
3767 current_link_up = 1;
3768 goto out;
3769 }
3770restart_autoneg:
1da177e4
LT		 3771 if (workaround)
3772 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
c98f6e3b 3773 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
1da177e4
LT		 3774 udelay(5);
3775 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3776
3d3ebe74
MC		 3777 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3778 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 3779 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3780 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 3781 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 3782 mac_status = tr32(MAC_STATUS);
3783
c98f6e3b 3784 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
1da177e4 3785 (mac_status & MAC_STATUS_PCS_SYNCED)) {
82cd3d11
MC		 3786 u32 local_adv = 0, remote_adv = 0;
3787
3788 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3789 local_adv |= ADVERTISE_1000XPAUSE;
3790 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3791 local_adv |= ADVERTISE_1000XPSE_ASYM;
1da177e4 3792
c98f6e3b 3793 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
82cd3d11 3794 remote_adv |= LPA_1000XPAUSE;
c98f6e3b 3795 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
82cd3d11 3796 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4
LT		 3797
3798 tg3_setup_flow_control(tp, local_adv, remote_adv);
3799 current_link_up = 1;
3d3ebe74
MC		 3800 tp->serdes_counter = 0;
3801 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
c98f6e3b 3802 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3d3ebe74
MC		 3803 if (tp->serdes_counter)
3804 tp->serdes_counter--;
1da177e4
LT		 3805 else {
3806 if (workaround) {
3807 u32 val = serdes_cfg;
3808
3809 if (port_a)
3810 val |= 0xc010000;
3811 else
3812 val |= 0x4010000;
3813
3814 tw32_f(MAC_SERDES_CFG, val);
3815 }
3816
c98f6e3b 3817 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 3818 udelay(40);
3819
3820 /* Link parallel detection - link is up */
3821 /* only if we have PCS_SYNC and not */
3822 /* receiving config code words */
3823 mac_status = tr32(MAC_STATUS);
3824 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3825 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3826 tg3_setup_flow_control(tp, 0, 0);
3827 current_link_up = 1;
3d3ebe74
MC		 3828 tp->tg3_flags2 |=
3829 TG3_FLG2_PARALLEL_DETECT;
3830 tp->serdes_counter =
3831 SERDES_PARALLEL_DET_TIMEOUT;
3832 } else
3833 goto restart_autoneg;
1da177e4
LT		 3834 }
3835 }
3d3ebe74
MC		 3836 } else {
3837 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3838 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 3839 }
3840
3841out:
3842 return current_link_up;
3843}
3844
3845static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3846{
3847 int current_link_up = 0;
3848
5cf64b8a 3849 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
1da177e4 3850 goto out;
1da177e4
LT		 3851
3852 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
5be73b47 3853 u32 txflags, rxflags;
1da177e4 3854 int i;
6aa20a22 3855
5be73b47
MC		 3856 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3857 u32 local_adv = 0, remote_adv = 0;
1da177e4 3858
5be73b47
MC		 3859 if (txflags & ANEG_CFG_PS1)
3860 local_adv |= ADVERTISE_1000XPAUSE;
3861 if (txflags & ANEG_CFG_PS2)
3862 local_adv |= ADVERTISE_1000XPSE_ASYM;
3863
3864 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3865 remote_adv |= LPA_1000XPAUSE;
3866 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3867 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4
LT		 3868
3869 tg3_setup_flow_control(tp, local_adv, remote_adv);
3870
1da177e4
LT		 3871 current_link_up = 1;
3872 }
3873 for (i = 0; i < 30; i++) {
3874 udelay(20);
3875 tw32_f(MAC_STATUS,
3876 (MAC_STATUS_SYNC_CHANGED |
3877 MAC_STATUS_CFG_CHANGED));
3878 udelay(40);
3879 if ((tr32(MAC_STATUS) &
3880 (MAC_STATUS_SYNC_CHANGED |
3881 MAC_STATUS_CFG_CHANGED)) == 0)
3882 break;
3883 }
3884
3885 mac_status = tr32(MAC_STATUS);
3886 if (current_link_up == 0 &&
3887 (mac_status & MAC_STATUS_PCS_SYNCED) &&
3888 !(mac_status & MAC_STATUS_RCVD_CFG))
3889 current_link_up = 1;
3890 } else {
5be73b47
MC		 3891 tg3_setup_flow_control(tp, 0, 0);
3892
1da177e4
LT		 3893 /* Forcing 1000FD link up. */
3894 current_link_up = 1;
1da177e4
LT		 3895
3896 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3897 udelay(40);
e8f3f6ca
MC		 3898
3899 tw32_f(MAC_MODE, tp->mac_mode);
3900 udelay(40);
1da177e4
LT		 3901 }
3902
3903out:
3904 return current_link_up;
3905}
3906
3907static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3908{
3909 u32 orig_pause_cfg;
3910 u16 orig_active_speed;
3911 u8 orig_active_duplex;
3912 u32 mac_status;
3913 int current_link_up;
3914 int i;
3915
8d018621 3916 orig_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 3917 orig_active_speed = tp->link_config.active_speed;
3918 orig_active_duplex = tp->link_config.active_duplex;
3919
3920 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3921 netif_carrier_ok(tp->dev) &&
3922 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3923 mac_status = tr32(MAC_STATUS);
3924 mac_status &= (MAC_STATUS_PCS_SYNCED |
3925 MAC_STATUS_SIGNAL_DET |
3926 MAC_STATUS_CFG_CHANGED |
3927 MAC_STATUS_RCVD_CFG);
3928 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3929 MAC_STATUS_SIGNAL_DET)) {
3930 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3931 MAC_STATUS_CFG_CHANGED));
3932 return 0;
3933 }
3934 }
3935
3936 tw32_f(MAC_TX_AUTO_NEG, 0);
3937
3938 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3939 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3940 tw32_f(MAC_MODE, tp->mac_mode);
3941 udelay(40);
3942
3943 if (tp->phy_id == PHY_ID_BCM8002)
3944 tg3_init_bcm8002(tp);
3945
3946 /* Enable link change event even when serdes polling. */
3947 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3948 udelay(40);
3949
3950 current_link_up = 0;
3951 mac_status = tr32(MAC_STATUS);
3952
3953 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3954 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3955 else
3956 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3957
898a56f8 3958 tp->napi[0].hw_status->status =
1da177e4 3959 (SD_STATUS_UPDATED |
898a56f8 3960 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
1da177e4
LT		 3961
3962 for (i = 0; i < 100; i++) {
3963 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3964 MAC_STATUS_CFG_CHANGED));
3965 udelay(5);
3966 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 3967 MAC_STATUS_CFG_CHANGED |
3968 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 3969 break;
3970 }
3971
3972 mac_status = tr32(MAC_STATUS);
3973 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3974 current_link_up = 0;
3d3ebe74
MC		 3975 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3976 tp->serdes_counter == 0) {
1da177e4
LT		 3977 tw32_f(MAC_MODE, (tp->mac_mode |
3978 MAC_MODE_SEND_CONFIGS));
3979 udelay(1);
3980 tw32_f(MAC_MODE, tp->mac_mode);
3981 }
3982 }
3983
3984 if (current_link_up == 1) {
3985 tp->link_config.active_speed = SPEED_1000;
3986 tp->link_config.active_duplex = DUPLEX_FULL;
3987 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3988 LED_CTRL_LNKLED_OVERRIDE |
3989 LED_CTRL_1000MBPS_ON));
3990 } else {
3991 tp->link_config.active_speed = SPEED_INVALID;
3992 tp->link_config.active_duplex = DUPLEX_INVALID;
3993 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3994 LED_CTRL_LNKLED_OVERRIDE |
3995 LED_CTRL_TRAFFIC_OVERRIDE));
3996 }
3997
3998 if (current_link_up != netif_carrier_ok(tp->dev)) {
3999 if (current_link_up)
4000 netif_carrier_on(tp->dev);
4001 else
4002 netif_carrier_off(tp->dev);
4003 tg3_link_report(tp);
4004 } else {
8d018621 4005 u32 now_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 4006 if (orig_pause_cfg != now_pause_cfg ||
4007 orig_active_speed != tp->link_config.active_speed ||
4008 orig_active_duplex != tp->link_config.active_duplex)
4009 tg3_link_report(tp);
4010 }
4011
4012 return 0;
4013}
4014
747e8f8b
MC		 4015static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4016{
4017 int current_link_up, err = 0;
4018 u32 bmsr, bmcr;
4019 u16 current_speed;
4020 u8 current_duplex;
ef167e27 4021 u32 local_adv, remote_adv;
747e8f8b
MC		 4022
4023 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4024 tw32_f(MAC_MODE, tp->mac_mode);
4025 udelay(40);
4026
4027 tw32(MAC_EVENT, 0);
4028
4029 tw32_f(MAC_STATUS,
4030 (MAC_STATUS_SYNC_CHANGED |
4031 MAC_STATUS_CFG_CHANGED |
4032 MAC_STATUS_MI_COMPLETION |
4033 MAC_STATUS_LNKSTATE_CHANGED));
4034 udelay(40);
4035
4036 if (force_reset)
4037 tg3_phy_reset(tp);
4038
4039 current_link_up = 0;
4040 current_speed = SPEED_INVALID;
4041 current_duplex = DUPLEX_INVALID;
4042
4043 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4044 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 4045 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4046 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4047 bmsr |= BMSR_LSTATUS;
4048 else
4049 bmsr &= ~BMSR_LSTATUS;
4050 }
747e8f8b
MC		 4051
4052 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4053
4054 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2bd3ed04 4055 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
747e8f8b
MC		 4056 /* do nothing, just check for link up at the end */
4057 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4058 u32 adv, new_adv;
4059
4060 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4061 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4062 ADVERTISE_1000XPAUSE |
4063 ADVERTISE_1000XPSE_ASYM |
4064 ADVERTISE_SLCT);
4065
ba4d07a8 4066 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
747e8f8b
MC		 4067
4068 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4069 new_adv |= ADVERTISE_1000XHALF;
4070 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4071 new_adv |= ADVERTISE_1000XFULL;
4072
4073 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4074 tg3_writephy(tp, MII_ADVERTISE, new_adv);
4075 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4076 tg3_writephy(tp, MII_BMCR, bmcr);
4077
4078 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 4079 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 4080 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4081
4082 return err;
4083 }
4084 } else {
4085 u32 new_bmcr;
4086
4087 bmcr &= ~BMCR_SPEED1000;
4088 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4089
4090 if (tp->link_config.duplex == DUPLEX_FULL)
4091 new_bmcr |= BMCR_FULLDPLX;
4092
4093 if (new_bmcr != bmcr) {
4094 /* BMCR_SPEED1000 is a reserved bit that needs
4095 * to be set on write.
4096 */
4097 new_bmcr |= BMCR_SPEED1000;
4098
4099 /* Force a linkdown */
4100 if (netif_carrier_ok(tp->dev)) {
4101 u32 adv;
4102
4103 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4104 adv &= ~(ADVERTISE_1000XFULL |
4105 ADVERTISE_1000XHALF |
4106 ADVERTISE_SLCT);
4107 tg3_writephy(tp, MII_ADVERTISE, adv);
4108 tg3_writephy(tp, MII_BMCR, bmcr |
4109 BMCR_ANRESTART |
4110 BMCR_ANENABLE);
4111 udelay(10);
4112 netif_carrier_off(tp->dev);
4113 }
4114 tg3_writephy(tp, MII_BMCR, new_bmcr);
4115 bmcr = new_bmcr;
4116 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4117 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 4118 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4119 ASIC_REV_5714) {
4120 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4121 bmsr |= BMSR_LSTATUS;
4122 else
4123 bmsr &= ~BMSR_LSTATUS;
4124 }
747e8f8b
MC		 4125 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4126 }
4127 }
4128
4129 if (bmsr & BMSR_LSTATUS) {
4130 current_speed = SPEED_1000;
4131 current_link_up = 1;
4132 if (bmcr & BMCR_FULLDPLX)
4133 current_duplex = DUPLEX_FULL;
4134 else
4135 current_duplex = DUPLEX_HALF;
4136
ef167e27
MC		 4137 local_adv = 0;
4138 remote_adv = 0;
4139
747e8f8b 4140 if (bmcr & BMCR_ANENABLE) {
ef167e27 4141 u32 common;
747e8f8b
MC		 4142
4143 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4144 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4145 common = local_adv & remote_adv;
4146 if (common & (ADVERTISE_1000XHALF |
4147 ADVERTISE_1000XFULL)) {
4148 if (common & ADVERTISE_1000XFULL)
4149 current_duplex = DUPLEX_FULL;
4150 else
4151 current_duplex = DUPLEX_HALF;
747e8f8b
MC		 4152 }
4153 else
4154 current_link_up = 0;
4155 }
4156 }
4157
ef167e27
MC		 4158 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4159 tg3_setup_flow_control(tp, local_adv, remote_adv);
4160
747e8f8b
MC		 4161 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4162 if (tp->link_config.active_duplex == DUPLEX_HALF)
4163 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4164
4165 tw32_f(MAC_MODE, tp->mac_mode);
4166 udelay(40);
4167
4168 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4169
4170 tp->link_config.active_speed = current_speed;
4171 tp->link_config.active_duplex = current_duplex;
4172
4173 if (current_link_up != netif_carrier_ok(tp->dev)) {
4174 if (current_link_up)
4175 netif_carrier_on(tp->dev);
4176 else {
4177 netif_carrier_off(tp->dev);
4178 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4179 }
4180 tg3_link_report(tp);
4181 }
4182 return err;
4183}
4184
4185static void tg3_serdes_parallel_detect(struct tg3 *tp)
4186{
3d3ebe74 4187 if (tp->serdes_counter) {
747e8f8b 4188 /* Give autoneg time to complete. */
3d3ebe74 4189 tp->serdes_counter--;
747e8f8b
MC		 4190 return;
4191 }
4192 if (!netif_carrier_ok(tp->dev) &&
4193 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4194 u32 bmcr;
4195
4196 tg3_readphy(tp, MII_BMCR, &bmcr);
4197 if (bmcr & BMCR_ANENABLE) {
4198 u32 phy1, phy2;
4199
4200 /* Select shadow register 0x1f */
4201 tg3_writephy(tp, 0x1c, 0x7c00);
4202 tg3_readphy(tp, 0x1c, &phy1);
4203
4204 /* Select expansion interrupt status register */
4205 tg3_writephy(tp, 0x17, 0x0f01);
4206 tg3_readphy(tp, 0x15, &phy2);
4207 tg3_readphy(tp, 0x15, &phy2);
4208
4209 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4210 /* We have signal detect and not receiving
4211 * config code words, link is up by parallel
4212 * detection.
4213 */
4214
4215 bmcr &= ~BMCR_ANENABLE;
4216 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4217 tg3_writephy(tp, MII_BMCR, bmcr);
4218 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4219 }
4220 }
4221 }
4222 else if (netif_carrier_ok(tp->dev) &&
4223 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4224 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4225 u32 phy2;
4226
4227 /* Select expansion interrupt status register */
4228 tg3_writephy(tp, 0x17, 0x0f01);
4229 tg3_readphy(tp, 0x15, &phy2);
4230 if (phy2 & 0x20) {
4231 u32 bmcr;
4232
4233 /* Config code words received, turn on autoneg. */
4234 tg3_readphy(tp, MII_BMCR, &bmcr);
4235 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4236
4237 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4238
4239 }
4240 }
4241}
4242
1da177e4
LT		 4243static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4244{
4245 int err;
4246
4247 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4248 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 4249 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4250 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 4251 } else {
4252 err = tg3_setup_copper_phy(tp, force_reset);
4253 }
4254
bcb37f6c 4255 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
aa6c91fe
MC		 4256 u32 val, scale;
4257
4258 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4259 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4260 scale = 65;
4261 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4262 scale = 6;
4263 else
4264 scale = 12;
4265
4266 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4267 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4268 tw32(GRC_MISC_CFG, val);
4269 }
4270
1da177e4
LT		 4271 if (tp->link_config.active_speed == SPEED_1000 &&
4272 tp->link_config.active_duplex == DUPLEX_HALF)
4273 tw32(MAC_TX_LENGTHS,
4274 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4275 (6 << TX_LENGTHS_IPG_SHIFT) |
4276 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4277 else
4278 tw32(MAC_TX_LENGTHS,
4279 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4280 (6 << TX_LENGTHS_IPG_SHIFT) |
4281 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4282
4283 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4284 if (netif_carrier_ok(tp->dev)) {
4285 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 4286 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 4287 } else {
4288 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4289 }
4290 }
4291
8ed5d97e
MC		 4292 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4293 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4294 if (!netif_carrier_ok(tp->dev))
4295 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4296 tp->pwrmgmt_thresh;
4297 else
4298 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4299 tw32(PCIE_PWR_MGMT_THRESH, val);
4300 }
4301
1da177e4
LT		 4302 return err;
4303}
4304
df3e6548
MC		 4305/* This is called whenever we suspect that the system chipset is re-
4306 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4307 * is bogus tx completions. We try to recover by setting the
4308 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4309 * in the workqueue.
4310 */
4311static void tg3_tx_recover(struct tg3 *tp)
4312{
4313 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4314 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4315
4316 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4317 "mapped I/O cycles to the network device, attempting to "
4318 "recover. Please report the problem to the driver maintainer "
4319 "and include system chipset information.\n", tp->dev->name);
4320
4321 spin_lock(&tp->lock);
df3e6548 4322 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 4323 spin_unlock(&tp->lock);
4324}
4325
f3f3f27e 4326static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
1b2a7205
MC		 4327{
4328 smp_mb();
f3f3f27e
MC		 4329 return tnapi->tx_pending -
4330 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
1b2a7205
MC		 4331}
4332
1da177e4
LT		 4333/* Tigon3 never reports partial packet sends. So we do not
4334 * need special logic to handle SKBs that have not had all
4335 * of their frags sent yet, like SunGEM does.
4336 */
17375d25 4337static void tg3_tx(struct tg3_napi *tnapi)
1da177e4 4338{
17375d25 4339 struct tg3 *tp = tnapi->tp;
898a56f8 4340 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
f3f3f27e 4341 u32 sw_idx = tnapi->tx_cons;
fe5f5787
MC		 4342 struct netdev_queue *txq;
4343 int index = tnapi - tp->napi;
4344
4345 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
4346 index--;
4347
4348 txq = netdev_get_tx_queue(tp->dev, index);
1da177e4
LT		 4349
4350 while (sw_idx != hw_idx) {
f3f3f27e 4351 struct tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
1da177e4 4352 struct sk_buff *skb = ri->skb;
df3e6548
MC		 4353 int i, tx_bug = 0;
4354
4355 if (unlikely(skb == NULL)) {
4356 tg3_tx_recover(tp);
4357 return;
4358 }
1da177e4 4359
90079ce8 4360 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
1da177e4
LT		 4361
4362 ri->skb = NULL;
4363
4364 sw_idx = NEXT_TX(sw_idx);
4365
4366 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
f3f3f27e 4367 ri = &tnapi->tx_buffers[sw_idx];
df3e6548
MC		 4368 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4369 tx_bug = 1;
1da177e4
LT		 4370 sw_idx = NEXT_TX(sw_idx);
4371 }
4372
f47c11ee 4373 dev_kfree_skb(skb);
df3e6548
MC		 4374
4375 if (unlikely(tx_bug)) {
4376 tg3_tx_recover(tp);
4377 return;
4378 }
1da177e4
LT		 4379 }
4380
f3f3f27e 4381 tnapi->tx_cons = sw_idx;
1da177e4 4382
1b2a7205
MC		 4383 /* Need to make the tx_cons update visible to tg3_start_xmit()
4384 * before checking for netif_queue_stopped(). Without the
4385 * memory barrier, there is a small possibility that tg3_start_xmit()
4386 * will miss it and cause the queue to be stopped forever.
4387 */
4388 smp_mb();
4389
fe5f5787 4390 if (unlikely(netif_tx_queue_stopped(txq) &&
f3f3f27e 4391 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
fe5f5787
MC		 4392 __netif_tx_lock(txq, smp_processor_id());
4393 if (netif_tx_queue_stopped(txq) &&
f3f3f27e 4394 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
fe5f5787
MC		 4395 netif_tx_wake_queue(txq);
4396 __netif_tx_unlock(txq);
51b91468 4397 }
1da177e4
LT		 4398}
4399
4400/* Returns size of skb allocated or < 0 on error.
4401 *
4402 * We only need to fill in the address because the other members
4403 * of the RX descriptor are invariant, see tg3_init_rings.
4404 *
4405 * Note the purposeful assymetry of cpu vs. chip accesses. For
4406 * posting buffers we only dirty the first cache line of the RX
4407 * descriptor (containing the address). Whereas for the RX status
4408 * buffers the cpu only reads the last cacheline of the RX descriptor
4409 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4410 */
17375d25 4411static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
1da177e4
LT		 4412 int src_idx, u32 dest_idx_unmasked)
4413{
17375d25 4414 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 4415 struct tg3_rx_buffer_desc *desc;
4416 struct ring_info *map, *src_map;
4417 struct sk_buff *skb;
4418 dma_addr_t mapping;
4419 int skb_size, dest_idx;
21f581a5 4420 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
1da177e4
LT		 4421
4422 src_map = NULL;
4423 switch (opaque_key) {
4424 case RXD_OPAQUE_RING_STD:
4425 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
21f581a5
MC		 4426 desc = &tpr->rx_std[dest_idx];
4427 map = &tpr->rx_std_buffers[dest_idx];
1da177e4 4428 if (src_idx >= 0)
21f581a5 4429 src_map = &tpr->rx_std_buffers[src_idx];
287be12e 4430 skb_size = tp->rx_pkt_map_sz;
1da177e4
LT		 4431 break;
4432
4433 case RXD_OPAQUE_RING_JUMBO:
4434 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
79ed5ac7 4435 desc = &tpr->rx_jmb[dest_idx].std;
21f581a5 4436 map = &tpr->rx_jmb_buffers[dest_idx];
1da177e4 4437 if (src_idx >= 0)
21f581a5 4438 src_map = &tpr->rx_jmb_buffers[src_idx];
287be12e 4439 skb_size = TG3_RX_JMB_MAP_SZ;
1da177e4
LT		 4440 break;
4441
4442 default:
4443 return -EINVAL;
855e1111 4444 }
1da177e4
LT		 4445
4446 /* Do not overwrite any of the map or rp information
4447 * until we are sure we can commit to a new buffer.
4448 *
4449 * Callers depend upon this behavior and assume that
4450 * we leave everything unchanged if we fail.
4451 */
287be12e 4452 skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
1da177e4
LT		 4453 if (skb == NULL)
4454 return -ENOMEM;
4455
1da177e4
LT		 4456 skb_reserve(skb, tp->rx_offset);
4457
287be12e 4458 mapping = pci_map_single(tp->pdev, skb->data, skb_size,
1da177e4 4459 PCI_DMA_FROMDEVICE);
a21771dd
MC		 4460 if (pci_dma_mapping_error(tp->pdev, mapping)) {
4461 dev_kfree_skb(skb);
4462 return -EIO;
4463 }
1da177e4
LT		 4464
4465 map->skb = skb;
4466 pci_unmap_addr_set(map, mapping, mapping);
4467
4468 if (src_map != NULL)
4469 src_map->skb = NULL;
4470
4471 desc->addr_hi = ((u64)mapping >> 32);
4472 desc->addr_lo = ((u64)mapping & 0xffffffff);
4473
4474 return skb_size;
4475}
4476
4477/* We only need to move over in the address because the other
4478 * members of the RX descriptor are invariant. See notes above
4479 * tg3_alloc_rx_skb for full details.
4480 */
17375d25 4481static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
1da177e4
LT		 4482 int src_idx, u32 dest_idx_unmasked)
4483{
17375d25 4484 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 4485 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4486 struct ring_info *src_map, *dest_map;
4487 int dest_idx;
21f581a5 4488 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
1da177e4
LT		 4489
4490 switch (opaque_key) {
4491 case RXD_OPAQUE_RING_STD:
4492 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
21f581a5
MC		 4493 dest_desc = &tpr->rx_std[dest_idx];
4494 dest_map = &tpr->rx_std_buffers[dest_idx];
4495 src_desc = &tpr->rx_std[src_idx];
4496 src_map = &tpr->rx_std_buffers[src_idx];
1da177e4
LT		 4497 break;
4498
4499 case RXD_OPAQUE_RING_JUMBO:
4500 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
79ed5ac7 4501 dest_desc = &tpr->rx_jmb[dest_idx].std;
21f581a5 4502 dest_map = &tpr->rx_jmb_buffers[dest_idx];
79ed5ac7 4503 src_desc = &tpr->rx_jmb[src_idx].std;
21f581a5 4504 src_map = &tpr->rx_jmb_buffers[src_idx];
1da177e4
LT		 4505 break;
4506
4507 default:
4508 return;
855e1111 4509 }
1da177e4
LT		 4510
4511 dest_map->skb = src_map->skb;
4512 pci_unmap_addr_set(dest_map, mapping,
4513 pci_unmap_addr(src_map, mapping));
4514 dest_desc->addr_hi = src_desc->addr_hi;
4515 dest_desc->addr_lo = src_desc->addr_lo;
4516
4517 src_map->skb = NULL;
4518}
4519
1da177e4
LT		 4520/* The RX ring scheme is composed of multiple rings which post fresh
4521 * buffers to the chip, and one special ring the chip uses to report
4522 * status back to the host.
4523 *
4524 * The special ring reports the status of received packets to the
4525 * host. The chip does not write into the original descriptor the
4526 * RX buffer was obtained from. The chip simply takes the original
4527 * descriptor as provided by the host, updates the status and length
4528 * field, then writes this into the next status ring entry.
4529 *
4530 * Each ring the host uses to post buffers to the chip is described
4531 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4532 * it is first placed into the on-chip ram. When the packet's length
4533 * is known, it walks down the TG3_BDINFO entries to select the ring.
4534 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4535 * which is within the range of the new packet's length is chosen.
4536 *
4537 * The "separate ring for rx status" scheme may sound queer, but it makes
4538 * sense from a cache coherency perspective. If only the host writes
4539 * to the buffer post rings, and only the chip writes to the rx status
4540 * rings, then cache lines never move beyond shared-modified state.
4541 * If both the host and chip were to write into the same ring, cache line
4542 * eviction could occur since both entities want it in an exclusive state.
4543 */
17375d25 4544static int tg3_rx(struct tg3_napi *tnapi, int budget)
1da177e4 4545{
17375d25 4546 struct tg3 *tp = tnapi->tp;
f92905de 4547 u32 work_mask, rx_std_posted = 0;
72334482 4548 u32 sw_idx = tnapi->rx_rcb_ptr;
483ba50b 4549 u16 hw_idx;
1da177e4 4550 int received;
21f581a5 4551 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
1da177e4 4552
8d9d7cfc 4553 hw_idx = *(tnapi->rx_rcb_prod_idx);
1da177e4
LT		 4554 /*
4555 * We need to order the read of hw_idx and the read of
4556 * the opaque cookie.
4557 */
4558 rmb();
1da177e4
LT		 4559 work_mask = 0;
4560 received = 0;
4561 while (sw_idx != hw_idx && budget > 0) {
72334482 4562 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
1da177e4
LT		 4563 unsigned int len;
4564 struct sk_buff *skb;
4565 dma_addr_t dma_addr;
4566 u32 opaque_key, desc_idx, *post_ptr;
4567
4568 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4569 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4570 if (opaque_key == RXD_OPAQUE_RING_STD) {
21f581a5
MC		 4571 struct ring_info *ri = &tpr->rx_std_buffers[desc_idx];
4572 dma_addr = pci_unmap_addr(ri, mapping);
4573 skb = ri->skb;
4574 post_ptr = &tpr->rx_std_ptr;
f92905de 4575 rx_std_posted++;
1da177e4 4576 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
21f581a5
MC		 4577 struct ring_info *ri = &tpr->rx_jmb_buffers[desc_idx];
4578 dma_addr = pci_unmap_addr(ri, mapping);
4579 skb = ri->skb;
4580 post_ptr = &tpr->rx_jmb_ptr;
4581 } else
1da177e4 4582 goto next_pkt_nopost;
1da177e4
LT		 4583
4584 work_mask |= opaque_key;
4585
4586 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4587 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4588 drop_it:
17375d25 4589 tg3_recycle_rx(tnapi, opaque_key,
1da177e4
LT		 4590 desc_idx, *post_ptr);
4591 drop_it_no_recycle:
4592 /* Other statistics kept track of by card. */
4593 tp->net_stats.rx_dropped++;
4594 goto next_pkt;
4595 }
4596
ad829268
MC		 4597 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4598 ETH_FCS_LEN;
1da177e4 4599
6aa20a22 4600 if (len > RX_COPY_THRESHOLD
ad829268
MC		 4601 && tp->rx_offset == NET_IP_ALIGN
4602 /* rx_offset will likely not equal NET_IP_ALIGN
4603 * if this is a 5701 card running in PCI-X mode
4604 * [see tg3_get_invariants()]
4605 */
1da177e4
LT		 4606 ) {
4607 int skb_size;
4608
17375d25 4609 skb_size = tg3_alloc_rx_skb(tnapi, opaque_key,
1da177e4
LT		 4610 desc_idx, *post_ptr);
4611 if (skb_size < 0)
4612 goto drop_it;
4613
287be12e 4614 pci_unmap_single(tp->pdev, dma_addr, skb_size,
1da177e4
LT		 4615 PCI_DMA_FROMDEVICE);
4616
4617 skb_put(skb, len);
4618 } else {
4619 struct sk_buff *copy_skb;
4620
17375d25 4621 tg3_recycle_rx(tnapi, opaque_key,
1da177e4
LT		 4622 desc_idx, *post_ptr);
4623
ad829268
MC		 4624 copy_skb = netdev_alloc_skb(tp->dev,
4625 len + TG3_RAW_IP_ALIGN);
1da177e4
LT		 4626 if (copy_skb == NULL)
4627 goto drop_it_no_recycle;
4628
ad829268 4629 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
1da177e4
LT		 4630 skb_put(copy_skb, len);
4631 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
d626f62b 4632 skb_copy_from_linear_data(skb, copy_skb->data, len);
1da177e4
LT		 4633 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4634
4635 /* We'll reuse the original ring buffer. */
4636 skb = copy_skb;
4637 }
4638
4639 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4640 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4641 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4642 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4643 skb->ip_summed = CHECKSUM_UNNECESSARY;
4644 else
4645 skb->ip_summed = CHECKSUM_NONE;
4646
4647 skb->protocol = eth_type_trans(skb, tp->dev);
f7b493e0
MC		 4648
4649 if (len > (tp->dev->mtu + ETH_HLEN) &&
4650 skb->protocol != htons(ETH_P_8021Q)) {
4651 dev_kfree_skb(skb);
4652 goto next_pkt;
4653 }
4654
1da177e4
LT		 4655#if TG3_VLAN_TAG_USED
4656 if (tp->vlgrp != NULL &&
4657 desc->type_flags & RXD_FLAG_VLAN) {
17375d25 4658 vlan_gro_receive(&tnapi->napi, tp->vlgrp,
8ef0442f 4659 desc->err_vlan & RXD_VLAN_MASK, skb);
1da177e4
LT		 4660 } else
4661#endif
17375d25 4662 napi_gro_receive(&tnapi->napi, skb);
1da177e4 4663
1da177e4
LT		 4664 received++;
4665 budget--;
4666
4667next_pkt:
4668 (*post_ptr)++;
f92905de
MC		 4669
4670 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4671 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4672
4673 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4674 TG3_64BIT_REG_LOW, idx);
4675 work_mask &= ~RXD_OPAQUE_RING_STD;
4676 rx_std_posted = 0;
4677 }
1da177e4 4678next_pkt_nopost:
483ba50b 4679 sw_idx++;
6b31a515 4680 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 4681
4682 /* Refresh hw_idx to see if there is new work */
4683 if (sw_idx == hw_idx) {
8d9d7cfc 4684 hw_idx = *(tnapi->rx_rcb_prod_idx);
52f6d697
MC		 4685 rmb();
4686 }
1da177e4
LT		 4687 }
4688
4689 /* ACK the status ring. */
72334482
MC		 4690 tnapi->rx_rcb_ptr = sw_idx;
4691 tw32_rx_mbox(tnapi->consmbox, sw_idx);
1da177e4
LT		 4692
4693 /* Refill RX ring(s). */
4694 if (work_mask & RXD_OPAQUE_RING_STD) {
21f581a5 4695 sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
1da177e4
LT		 4696 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4697 sw_idx);
4698 }
4699 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
21f581a5 4700 sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
1da177e4
LT		 4701 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4702 sw_idx);
4703 }
4704 mmiowb();
4705
4706 return received;
4707}
4708
17375d25 4709static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
1da177e4 4710{
17375d25 4711 struct tg3 *tp = tnapi->tp;
898a56f8 4712 struct tg3_hw_status *sblk = tnapi->hw_status;
1da177e4 4713
1da177e4
LT		 4714 /* handle link change and other phy events */
4715 if (!(tp->tg3_flags &
4716 (TG3_FLAG_USE_LINKCHG_REG |
4717 TG3_FLAG_POLL_SERDES))) {
4718 if (sblk->status & SD_STATUS_LINK_CHG) {
4719 sblk->status = SD_STATUS_UPDATED |
4720 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 4721 spin_lock(&tp->lock);
dd477003
MC		 4722 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4723 tw32_f(MAC_STATUS,
4724 (MAC_STATUS_SYNC_CHANGED |
4725 MAC_STATUS_CFG_CHANGED |
4726 MAC_STATUS_MI_COMPLETION |
4727 MAC_STATUS_LNKSTATE_CHANGED));
4728 udelay(40);
4729 } else
4730 tg3_setup_phy(tp, 0);
f47c11ee 4731 spin_unlock(&tp->lock);
1da177e4
LT		 4732 }
4733 }
4734
4735 /* run TX completion thread */
f3f3f27e 4736 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
17375d25 4737 tg3_tx(tnapi);
6f535763 4738 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4fd7ab59 4739 return work_done;
1da177e4
LT		 4740 }
4741
1da177e4
LT		 4742 /* run RX thread, within the bounds set by NAPI.
4743 * All RX "locking" is done by ensuring outside
bea3348e 4744 * code synchronizes with tg3->napi.poll()
1da177e4 4745 */
8d9d7cfc 4746 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
17375d25 4747 work_done += tg3_rx(tnapi, budget - work_done);
1da177e4 4748
6f535763
DM		 4749 return work_done;
4750}
4751
4752static int tg3_poll(struct napi_struct *napi, int budget)
4753{
8ef0442f
MC		 4754 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4755 struct tg3 *tp = tnapi->tp;
6f535763 4756 int work_done = 0;
898a56f8 4757 struct tg3_hw_status *sblk = tnapi->hw_status;
6f535763
DM		 4758
4759 while (1) {
17375d25 4760 work_done = tg3_poll_work(tnapi, work_done, budget);
6f535763
DM		 4761
4762 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4763 goto tx_recovery;
4764
4765 if (unlikely(work_done >= budget))
4766 break;
4767
4fd7ab59 4768 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
17375d25 4769 /* tp->last_tag is used in tg3_int_reenable() below
4fd7ab59
MC		 4770 * to tell the hw how much work has been processed,
4771 * so we must read it before checking for more work.
4772 */
898a56f8
MC		 4773 tnapi->last_tag = sblk->status_tag;
4774 tnapi->last_irq_tag = tnapi->last_tag;
4fd7ab59
MC		 4775 rmb();
4776 } else
4777 sblk->status &= ~SD_STATUS_UPDATED;
6f535763 4778
17375d25 4779 if (likely(!tg3_has_work(tnapi))) {
288379f0 4780 napi_complete(napi);
17375d25 4781 tg3_int_reenable(tnapi);
6f535763
DM		 4782 break;
4783 }
1da177e4
LT		 4784 }
4785
bea3348e 4786 return work_done;
6f535763
DM		 4787
4788tx_recovery:
4fd7ab59 4789 /* work_done is guaranteed to be less than budget. */
288379f0 4790 napi_complete(napi);
6f535763 4791 schedule_work(&tp->reset_task);
4fd7ab59 4792 return work_done;
1da177e4
LT		 4793}
4794
f47c11ee
DM		 4795static void tg3_irq_quiesce(struct tg3 *tp)
4796{
4f125f42
MC		 4797 int i;
4798
f47c11ee
DM		 4799 BUG_ON(tp->irq_sync);
4800
4801 tp->irq_sync = 1;
4802 smp_mb();
4803
4f125f42
MC		 4804 for (i = 0; i < tp->irq_cnt; i++)
4805 synchronize_irq(tp->napi[i].irq_vec);
f47c11ee
DM		 4806}
4807
4808static inline int tg3_irq_sync(struct tg3 *tp)
4809{
4810 return tp->irq_sync;
4811}
4812
4813/* Fully shutdown all tg3 driver activity elsewhere in the system.
4814 * If irq_sync is non-zero, then the IRQ handler must be synchronized
4815 * with as well. Most of the time, this is not necessary except when
4816 * shutting down the device.
4817 */
4818static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4819{
46966545 4820 spin_lock_bh(&tp->lock);
f47c11ee
DM		 4821 if (irq_sync)
4822 tg3_irq_quiesce(tp);
f47c11ee
DM		 4823}
4824
4825static inline void tg3_full_unlock(struct tg3 *tp)
4826{
f47c11ee
DM		 4827 spin_unlock_bh(&tp->lock);
4828}
4829
fcfa0a32
MC		 4830/* One-shot MSI handler - Chip automatically disables interrupt
4831 * after sending MSI so driver doesn't have to do it.
4832 */
7d12e780 4833static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32 4834{
09943a18
MC		 4835 struct tg3_napi *tnapi = dev_id;
4836 struct tg3 *tp = tnapi->tp;
fcfa0a32 4837
898a56f8 4838 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 4839 if (tnapi->rx_rcb)
4840 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
fcfa0a32
MC		 4841
4842 if (likely(!tg3_irq_sync(tp)))
09943a18 4843 napi_schedule(&tnapi->napi);
fcfa0a32
MC		 4844
4845 return IRQ_HANDLED;
4846}
4847
88b06bc2
MC		 4848/* MSI ISR - No need to check for interrupt sharing and no need to
4849 * flush status block and interrupt mailbox. PCI ordering rules
4850 * guarantee that MSI will arrive after the status block.
4851 */
7d12e780 4852static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2 4853{
09943a18
MC		 4854 struct tg3_napi *tnapi = dev_id;
4855 struct tg3 *tp = tnapi->tp;
88b06bc2 4856
898a56f8 4857 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 4858 if (tnapi->rx_rcb)
4859 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
88b06bc2 4860 /*
fac9b83e 4861 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 4862 * chip-internal interrupt pending events.
fac9b83e 4863 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 4864 * NIC to stop sending us irqs, engaging "in-intr-handler"
4865 * event coalescing.
4866 */
4867 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 4868 if (likely(!tg3_irq_sync(tp)))
09943a18 4869 napi_schedule(&tnapi->napi);
61487480 4870
88b06bc2
MC		 4871 return IRQ_RETVAL(1);
4872}
4873
7d12e780 4874static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4 4875{
09943a18
MC		 4876 struct tg3_napi *tnapi = dev_id;
4877 struct tg3 *tp = tnapi->tp;
898a56f8 4878 struct tg3_hw_status *sblk = tnapi->hw_status;
1da177e4
LT		 4879 unsigned int handled = 1;
4880
1da177e4
LT		 4881 /* In INTx mode, it is possible for the interrupt to arrive at
4882 * the CPU before the status block posted prior to the interrupt.
4883 * Reading the PCI State register will confirm whether the
4884 * interrupt is ours and will flush the status block.
4885 */
d18edcb2
MC		 4886 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4887 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4888 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4889 handled = 0;
f47c11ee 4890 goto out;
fac9b83e 4891 }
d18edcb2
MC		 4892 }
4893
4894 /*
4895 * Writing any value to intr-mbox-0 clears PCI INTA# and
4896 * chip-internal interrupt pending events.
4897 * Writing non-zero to intr-mbox-0 additional tells the
4898 * NIC to stop sending us irqs, engaging "in-intr-handler"
4899 * event coalescing.
c04cb347
MC		 4900 *
4901 * Flush the mailbox to de-assert the IRQ immediately to prevent
4902 * spurious interrupts. The flush impacts performance but
4903 * excessive spurious interrupts can be worse in some cases.
d18edcb2 4904 */
c04cb347 4905 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
d18edcb2
MC		 4906 if (tg3_irq_sync(tp))
4907 goto out;
4908 sblk->status &= ~SD_STATUS_UPDATED;
17375d25 4909 if (likely(tg3_has_work(tnapi))) {
72334482 4910 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
09943a18 4911 napi_schedule(&tnapi->napi);
d18edcb2
MC		 4912 } else {
4913 /* No work, shared interrupt perhaps? re-enable
4914 * interrupts, and flush that PCI write
4915 */
4916 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4917 0x00000000);
fac9b83e 4918 }
f47c11ee 4919out:
fac9b83e
DM		 4920 return IRQ_RETVAL(handled);
4921}
4922
7d12e780 4923static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e 4924{
09943a18
MC		 4925 struct tg3_napi *tnapi = dev_id;
4926 struct tg3 *tp = tnapi->tp;
898a56f8 4927 struct tg3_hw_status *sblk = tnapi->hw_status;
fac9b83e
DM		 4928 unsigned int handled = 1;
4929
fac9b83e
DM		 4930 /* In INTx mode, it is possible for the interrupt to arrive at
4931 * the CPU before the status block posted prior to the interrupt.
4932 * Reading the PCI State register will confirm whether the
4933 * interrupt is ours and will flush the status block.
4934 */
898a56f8 4935 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
d18edcb2
MC		 4936 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4937 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4938 handled = 0;
f47c11ee 4939 goto out;
1da177e4 4940 }
d18edcb2
MC		 4941 }
4942
4943 /*
4944 * writing any value to intr-mbox-0 clears PCI INTA# and
4945 * chip-internal interrupt pending events.
4946 * writing non-zero to intr-mbox-0 additional tells the
4947 * NIC to stop sending us irqs, engaging "in-intr-handler"
4948 * event coalescing.
c04cb347
MC		 4949 *
4950 * Flush the mailbox to de-assert the IRQ immediately to prevent
4951 * spurious interrupts. The flush impacts performance but
4952 * excessive spurious interrupts can be worse in some cases.
d18edcb2 4953 */
c04cb347 4954 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
624f8e50
MC		 4955
4956 /*
4957 * In a shared interrupt configuration, sometimes other devices'
4958 * interrupts will scream. We record the current status tag here
4959 * so that the above check can report that the screaming interrupts
4960 * are unhandled. Eventually they will be silenced.
4961 */
898a56f8 4962 tnapi->last_irq_tag = sblk->status_tag;
624f8e50 4963
d18edcb2
MC		 4964 if (tg3_irq_sync(tp))
4965 goto out;
624f8e50 4966
72334482 4967 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
624f8e50 4968
09943a18 4969 napi_schedule(&tnapi->napi);
624f8e50 4970
f47c11ee 4971out:
1da177e4
LT		 4972 return IRQ_RETVAL(handled);
4973}
4974
7938109f 4975/* ISR for interrupt test */
7d12e780 4976static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f 4977{
09943a18
MC		 4978 struct tg3_napi *tnapi = dev_id;
4979 struct tg3 *tp = tnapi->tp;
898a56f8 4980 struct tg3_hw_status *sblk = tnapi->hw_status;
7938109f 4981
f9804ddb
MC		 4982 if ((sblk->status & SD_STATUS_UPDATED) ||
4983 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 4984 tg3_disable_ints(tp);
7938109f
MC		 4985 return IRQ_RETVAL(1);
4986 }
4987 return IRQ_RETVAL(0);
4988}
4989
8e7a22e3 4990static int tg3_init_hw(struct tg3 *, int);
944d980e 4991static int tg3_halt(struct tg3 *, int, int);
1da177e4 4992
b9ec6c1b
MC		 4993/* Restart hardware after configuration changes, self-test, etc.
4994 * Invoked with tp->lock held.
4995 */
4996static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
78c6146f
ED		 4997 __releases(tp->lock)
4998 __acquires(tp->lock)
b9ec6c1b
MC		 4999{
5000 int err;
5001
5002 err = tg3_init_hw(tp, reset_phy);
5003 if (err) {
5004 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
5005 "aborting.\n", tp->dev->name);
5006 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5007 tg3_full_unlock(tp);
5008 del_timer_sync(&tp->timer);
5009 tp->irq_sync = 0;
fed97810 5010 tg3_napi_enable(tp);
b9ec6c1b
MC		 5011 dev_close(tp->dev);
5012 tg3_full_lock(tp, 0);
5013 }
5014 return err;
5015}
5016
1da177e4
LT		 5017#ifdef CONFIG_NET_POLL_CONTROLLER
5018static void tg3_poll_controller(struct net_device *dev)
5019{
4f125f42 5020 int i;
88b06bc2
MC		 5021 struct tg3 *tp = netdev_priv(dev);
5022
4f125f42
MC		 5023 for (i = 0; i < tp->irq_cnt; i++)
5024 tg3_interrupt(tp->napi[i].irq_vec, dev);
1da177e4
LT		 5025}
5026#endif
5027
c4028958 5028static void tg3_reset_task(struct work_struct *work)
1da177e4 5029{
c4028958 5030 struct tg3 *tp = container_of(work, struct tg3, reset_task);
b02fd9e3 5031 int err;
1da177e4
LT		 5032 unsigned int restart_timer;
5033
7faa006f 5034 tg3_full_lock(tp, 0);
7faa006f
MC		 5035
5036 if (!netif_running(tp->dev)) {
7faa006f
MC		 5037 tg3_full_unlock(tp);
5038 return;
5039 }
5040
5041 tg3_full_unlock(tp);
5042
b02fd9e3
MC		 5043 tg3_phy_stop(tp);
5044
1da177e4
LT		 5045 tg3_netif_stop(tp);
5046
f47c11ee 5047 tg3_full_lock(tp, 1);
1da177e4
LT		 5048
5049 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5050 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5051
df3e6548
MC		 5052 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5053 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5054 tp->write32_rx_mbox = tg3_write_flush_reg32;
5055 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5056 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5057 }
5058
944d980e 5059 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b02fd9e3
MC		 5060 err = tg3_init_hw(tp, 1);
5061 if (err)
b9ec6c1b 5062 goto out;
1da177e4
LT		 5063
5064 tg3_netif_start(tp);
5065
1da177e4
LT		 5066 if (restart_timer)
5067 mod_timer(&tp->timer, jiffies + 1);
7faa006f 5068
b9ec6c1b 5069out:
7faa006f 5070 tg3_full_unlock(tp);
b02fd9e3
MC		 5071
5072 if (!err)
5073 tg3_phy_start(tp);
1da177e4
LT		 5074}
5075
b0408751
MC		 5076static void tg3_dump_short_state(struct tg3 *tp)
5077{
5078 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5079 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5080 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5081 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5082}
5083
1da177e4
LT		 5084static void tg3_tx_timeout(struct net_device *dev)
5085{
5086 struct tg3 *tp = netdev_priv(dev);
5087
b0408751 5088 if (netif_msg_tx_err(tp)) {
9f88f29f
MC		 5089 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5090 dev->name);
b0408751
MC		 5091 tg3_dump_short_state(tp);
5092 }
1da177e4
LT		 5093
5094 schedule_work(&tp->reset_task);
5095}
5096
c58ec932
MC		 5097/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5098static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5099{
5100 u32 base = (u32) mapping & 0xffffffff;
5101
5102 return ((base > 0xffffdcc0) &&
5103 (base + len + 8 < base));
5104}
5105
72f2afb8
MC		 5106/* Test for DMA addresses > 40-bit */
5107static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5108 int len)
5109{
5110#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 5111 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
50cf156a 5112 return (((u64) mapping + len) > DMA_BIT_MASK(40));
72f2afb8
MC		 5113 return 0;
5114#else
5115 return 0;
5116#endif
5117}
5118
f3f3f27e 5119static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
1da177e4 5120
72f2afb8 5121/* Workaround 4GB and 40-bit hardware DMA bugs. */
24f4efd4
MC		 5122static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5123 struct sk_buff *skb, u32 last_plus_one,
5124 u32 *start, u32 base_flags, u32 mss)
1da177e4 5125{
24f4efd4 5126 struct tg3 *tp = tnapi->tp;
41588ba1 5127 struct sk_buff *new_skb;
c58ec932 5128 dma_addr_t new_addr = 0;
1da177e4 5129 u32 entry = *start;
c58ec932 5130 int i, ret = 0;
1da177e4 5131
41588ba1
MC		 5132 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5133 new_skb = skb_copy(skb, GFP_ATOMIC);
5134 else {
5135 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5136
5137 new_skb = skb_copy_expand(skb,
5138 skb_headroom(skb) + more_headroom,
5139 skb_tailroom(skb), GFP_ATOMIC);
5140 }
5141
1da177e4 5142 if (!new_skb) {
c58ec932
MC		 5143 ret = -1;
5144 } else {
5145 /* New SKB is guaranteed to be linear. */
5146 entry = *start;
90079ce8 5147 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
042a53a9 5148 new_addr = skb_shinfo(new_skb)->dma_head;
90079ce8 5149
c58ec932
MC		 5150 /* Make sure new skb does not cross any 4G boundaries.
5151 * Drop the packet if it does.
5152 */
0e1406dd
MC		 5153 if (ret || ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5154 tg3_4g_overflow_test(new_addr, new_skb->len))) {
638266f7
DM		 5155 if (!ret)
5156 skb_dma_unmap(&tp->pdev->dev, new_skb,
5157 DMA_TO_DEVICE);
c58ec932
MC		 5158 ret = -1;
5159 dev_kfree_skb(new_skb);
5160 new_skb = NULL;
5161 } else {
f3f3f27e 5162 tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
c58ec932
MC		 5163 base_flags, 1 | (mss << 1));
5164 *start = NEXT_TX(entry);
5165 }
1da177e4
LT		 5166 }
5167
1da177e4
LT		 5168 /* Now clean up the sw ring entries. */
5169 i = 0;
5170 while (entry != last_plus_one) {
f3f3f27e
MC		 5171 if (i == 0)
5172 tnapi->tx_buffers[entry].skb = new_skb;
5173 else
5174 tnapi->tx_buffers[entry].skb = NULL;
1da177e4
LT		 5175 entry = NEXT_TX(entry);
5176 i++;
5177 }
5178
90079ce8 5179 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
1da177e4
LT		 5180 dev_kfree_skb(skb);
5181
c58ec932 5182 return ret;
1da177e4
LT		 5183}
5184
f3f3f27e 5185static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
1da177e4
LT		 5186 dma_addr_t mapping, int len, u32 flags,
5187 u32 mss_and_is_end)
5188{
f3f3f27e 5189 struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
1da177e4
LT		 5190 int is_end = (mss_and_is_end & 0x1);
5191 u32 mss = (mss_and_is_end >> 1);
5192 u32 vlan_tag = 0;
5193
5194 if (is_end)
5195 flags |= TXD_FLAG_END;
5196 if (flags & TXD_FLAG_VLAN) {
5197 vlan_tag = flags >> 16;
5198 flags &= 0xffff;
5199 }
5200 vlan_tag |= (mss << TXD_MSS_SHIFT);
5201
5202 txd->addr_hi = ((u64) mapping >> 32);
5203 txd->addr_lo = ((u64) mapping & 0xffffffff);
5204 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5205 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5206}
5207
5a6f3074 5208/* hard_start_xmit for devices that don't have any bugs and
e849cdc3 5209 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5a6f3074 5210 */
61357325
SH		 5211static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5212 struct net_device *dev)
5a6f3074
MC		 5213{
5214 struct tg3 *tp = netdev_priv(dev);
5a6f3074 5215 u32 len, entry, base_flags, mss;
90079ce8
DM		 5216 struct skb_shared_info *sp;
5217 dma_addr_t mapping;
fe5f5787
MC		 5218 struct tg3_napi *tnapi;
5219 struct netdev_queue *txq;
5a6f3074 5220
fe5f5787
MC		 5221 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5222 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5223 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
5224 tnapi++;
5a6f3074 5225
00b70504 5226 /* We are running in BH disabled context with netif_tx_lock
bea3348e 5227 * and TX reclaim runs via tp->napi.poll inside of a software
5a6f3074
MC		 5228 * interrupt. Furthermore, IRQ processing runs lockless so we have
5229 * no IRQ context deadlocks to worry about either. Rejoice!
5230 */
f3f3f27e 5231 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
fe5f5787
MC		 5232 if (!netif_tx_queue_stopped(txq)) {
5233 netif_tx_stop_queue(txq);
5a6f3074
MC		 5234
5235 /* This is a hard error, log it. */
5236 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5237 "queue awake!\n", dev->name);
5238 }
5a6f3074
MC		 5239 return NETDEV_TX_BUSY;
5240 }
5241
f3f3f27e 5242 entry = tnapi->tx_prod;
5a6f3074 5243 base_flags = 0;
5a6f3074 5244 mss = 0;
c13e3713 5245 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074 5246 int tcp_opt_len, ip_tcp_len;
f6eb9b1f 5247 u32 hdrlen;
5a6f3074
MC		 5248
5249 if (skb_header_cloned(skb) &&
5250 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5251 dev_kfree_skb(skb);
5252 goto out_unlock;
5253 }
5254
b0026624 5255 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
f6eb9b1f 5256 hdrlen = skb_headlen(skb) - ETH_HLEN;
b0026624 5257 else {
eddc9ec5
ACM		 5258 struct iphdr *iph = ip_hdr(skb);
5259
ab6a5bb6 5260 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 5261 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
b0026624 5262
eddc9ec5
ACM		 5263 iph->check = 0;
5264 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
f6eb9b1f 5265 hdrlen = ip_tcp_len + tcp_opt_len;
b0026624 5266 }
5a6f3074 5267
e849cdc3 5268 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
f6eb9b1f
MC		 5269 mss |= (hdrlen & 0xc) << 12;
5270 if (hdrlen & 0x10)
5271 base_flags |= 0x00000010;
5272 base_flags |= (hdrlen & 0x3e0) << 5;
5273 } else
5274 mss |= hdrlen << 9;
5275
5a6f3074
MC		 5276 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5277 TXD_FLAG_CPU_POST_DMA);
5278
aa8223c7 5279 tcp_hdr(skb)->check = 0;
5a6f3074 5280
5a6f3074 5281 }
84fa7933 5282 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 5283 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 5284#if TG3_VLAN_TAG_USED
5285 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5286 base_flags |= (TXD_FLAG_VLAN |
5287 (vlan_tx_tag_get(skb) << 16));
5288#endif
5289
90079ce8
DM		 5290 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5291 dev_kfree_skb(skb);
5292 goto out_unlock;
5293 }
5294
5295 sp = skb_shinfo(skb);
5296
042a53a9 5297 mapping = sp->dma_head;
5a6f3074 5298
f3f3f27e 5299 tnapi->tx_buffers[entry].skb = skb;
5a6f3074 5300
fe5f5787
MC		 5301 len = skb_headlen(skb);
5302
f6eb9b1f
MC		 5303 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5304 !mss && skb->len > ETH_DATA_LEN)
5305 base_flags |= TXD_FLAG_JMB_PKT;
5306
f3f3f27e 5307 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5a6f3074
MC		 5308 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5309
5310 entry = NEXT_TX(entry);
5311
5312 /* Now loop through additional data fragments, and queue them. */
5313 if (skb_shinfo(skb)->nr_frags > 0) {
5314 unsigned int i, last;
5315
5316 last = skb_shinfo(skb)->nr_frags - 1;
5317 for (i = 0; i <= last; i++) {
5318 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5319
5320 len = frag->size;
042a53a9 5321 mapping = sp->dma_maps[i];
f3f3f27e 5322 tnapi->tx_buffers[entry].skb = NULL;
5a6f3074 5323
f3f3f27e 5324 tg3_set_txd(tnapi, entry, mapping, len,
5a6f3074
MC		 5325 base_flags, (i == last) | (mss << 1));
5326
5327 entry = NEXT_TX(entry);
5328 }
5329 }
5330
5331 /* Packets are ready, update Tx producer idx local and on card. */
f3f3f27e 5332 tw32_tx_mbox(tnapi->prodmbox, entry);
5a6f3074 5333
f3f3f27e
MC		 5334 tnapi->tx_prod = entry;
5335 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
fe5f5787 5336 netif_tx_stop_queue(txq);
f3f3f27e 5337 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
fe5f5787 5338 netif_tx_wake_queue(txq);
5a6f3074
MC		 5339 }
5340
5341out_unlock:
cdd0db05 5342 mmiowb();
5a6f3074
MC		 5343
5344 return NETDEV_TX_OK;
5345}
5346
61357325
SH		 5347static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5348 struct net_device *);
52c0fd83
MC		 5349
5350/* Use GSO to workaround a rare TSO bug that may be triggered when the
5351 * TSO header is greater than 80 bytes.
5352 */
5353static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5354{
5355 struct sk_buff *segs, *nskb;
f3f3f27e 5356 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
52c0fd83
MC		 5357
5358 /* Estimate the number of fragments in the worst case */
f3f3f27e 5359 if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
52c0fd83 5360 netif_stop_queue(tp->dev);
f3f3f27e 5361 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
7f62ad5d
MC		 5362 return NETDEV_TX_BUSY;
5363
5364 netif_wake_queue(tp->dev);
52c0fd83
MC		 5365 }
5366
5367 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
801678c5 5368 if (IS_ERR(segs))
52c0fd83
MC		 5369 goto tg3_tso_bug_end;
5370
5371 do {
5372 nskb = segs;
5373 segs = segs->next;
5374 nskb->next = NULL;
5375 tg3_start_xmit_dma_bug(nskb, tp->dev);
5376 } while (segs);
5377
5378tg3_tso_bug_end:
5379 dev_kfree_skb(skb);
5380
5381 return NETDEV_TX_OK;
5382}
52c0fd83 5383
5a6f3074
MC		 5384/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5385 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5386 */
61357325
SH		 5387static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5388 struct net_device *dev)
1da177e4
LT		 5389{
5390 struct tg3 *tp = netdev_priv(dev);
1da177e4 5391 u32 len, entry, base_flags, mss;
90079ce8 5392 struct skb_shared_info *sp;
1da177e4 5393 int would_hit_hwbug;
90079ce8 5394 dma_addr_t mapping;
24f4efd4
MC		 5395 struct tg3_napi *tnapi;
5396 struct netdev_queue *txq;
1da177e4 5397
24f4efd4
MC		 5398 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5399 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5400 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
5401 tnapi++;
1da177e4 5402
00b70504 5403 /* We are running in BH disabled context with netif_tx_lock
bea3348e 5404 * and TX reclaim runs via tp->napi.poll inside of a software
f47c11ee
DM		 5405 * interrupt. Furthermore, IRQ processing runs lockless so we have
5406 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 5407 */
f3f3f27e 5408 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
24f4efd4
MC		 5409 if (!netif_tx_queue_stopped(txq)) {
5410 netif_tx_stop_queue(txq);
1f064a87
SH		 5411
5412 /* This is a hard error, log it. */
5413 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5414 "queue awake!\n", dev->name);
5415 }
1da177e4
LT		 5416 return NETDEV_TX_BUSY;
5417 }
5418
f3f3f27e 5419 entry = tnapi->tx_prod;
1da177e4 5420 base_flags = 0;
84fa7933 5421 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 5422 base_flags |= TXD_FLAG_TCPUDP_CSUM;
24f4efd4 5423
c13e3713 5424 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
eddc9ec5 5425 struct iphdr *iph;
92c6b8d1 5426 u32 tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 5427
5428 if (skb_header_cloned(skb) &&
5429 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5430 dev_kfree_skb(skb);
5431 goto out_unlock;
5432 }
5433
ab6a5bb6 5434 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 5435 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
1da177e4 5436
52c0fd83
MC		 5437 hdr_len = ip_tcp_len + tcp_opt_len;
5438 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
7f62ad5d 5439 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
52c0fd83
MC		 5440 return (tg3_tso_bug(tp, skb));
5441
1da177e4
LT		 5442 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5443 TXD_FLAG_CPU_POST_DMA);
5444
eddc9ec5
ACM		 5445 iph = ip_hdr(skb);
5446 iph->check = 0;
5447 iph->tot_len = htons(mss + hdr_len);
1da177e4 5448 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
aa8223c7 5449 tcp_hdr(skb)->check = 0;
1da177e4 5450 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
aa8223c7
ACM		 5451 } else
5452 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5453 iph->daddr, 0,
5454 IPPROTO_TCP,
5455 0);
1da177e4 5456
615774fe
MC		 5457 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5458 mss |= (hdr_len & 0xc) << 12;
5459 if (hdr_len & 0x10)
5460 base_flags |= 0x00000010;
5461 base_flags |= (hdr_len & 0x3e0) << 5;
5462 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
92c6b8d1
MC		 5463 mss |= hdr_len << 9;
5464 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5465 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
eddc9ec5 5466 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 5467 int tsflags;
5468
eddc9ec5 5469 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 5470 mss |= (tsflags << 11);
5471 }
5472 } else {
eddc9ec5 5473 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 5474 int tsflags;
5475
eddc9ec5 5476 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 5477 base_flags |= tsflags << 12;
5478 }
5479 }
5480 }
1da177e4
LT		 5481#if TG3_VLAN_TAG_USED
5482 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5483 base_flags |= (TXD_FLAG_VLAN |
5484 (vlan_tx_tag_get(skb) << 16));
5485#endif
5486
615774fe
MC		 5487 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5488 !mss && skb->len > ETH_DATA_LEN)
5489 base_flags |= TXD_FLAG_JMB_PKT;
5490
90079ce8
DM		 5491 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5492 dev_kfree_skb(skb);
5493 goto out_unlock;
5494 }
5495
5496 sp = skb_shinfo(skb);
5497
042a53a9 5498 mapping = sp->dma_head;
1da177e4 5499
f3f3f27e 5500 tnapi->tx_buffers[entry].skb = skb;
1da177e4
LT		 5501
5502 would_hit_hwbug = 0;
5503
24f4efd4
MC		 5504 len = skb_headlen(skb);
5505
92c6b8d1
MC		 5506 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5507 would_hit_hwbug = 1;
5508
0e1406dd
MC		 5509 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5510 tg3_4g_overflow_test(mapping, len))
5511 would_hit_hwbug = 1;
5512
5513 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5514 tg3_40bit_overflow_test(tp, mapping, len))
41588ba1 5515 would_hit_hwbug = 1;
0e1406dd
MC		 5516
5517 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
c58ec932 5518 would_hit_hwbug = 1;
1da177e4 5519
f3f3f27e 5520 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
1da177e4
LT		 5521 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5522
5523 entry = NEXT_TX(entry);
5524
5525 /* Now loop through additional data fragments, and queue them. */
5526 if (skb_shinfo(skb)->nr_frags > 0) {
5527 unsigned int i, last;
5528
5529 last = skb_shinfo(skb)->nr_frags - 1;
5530 for (i = 0; i <= last; i++) {
5531 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5532
5533 len = frag->size;
042a53a9 5534 mapping = sp->dma_maps[i];
1da177e4 5535
f3f3f27e 5536 tnapi->tx_buffers[entry].skb = NULL;
1da177e4 5537
92c6b8d1
MC		 5538 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5539 len <= 8)
5540 would_hit_hwbug = 1;
5541
0e1406dd
MC		 5542 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5543 tg3_4g_overflow_test(mapping, len))
c58ec932 5544 would_hit_hwbug = 1;
1da177e4 5545
0e1406dd
MC		 5546 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5547 tg3_40bit_overflow_test(tp, mapping, len))
72f2afb8
MC		 5548 would_hit_hwbug = 1;
5549
1da177e4 5550 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
f3f3f27e 5551 tg3_set_txd(tnapi, entry, mapping, len,
1da177e4
LT		 5552 base_flags, (i == last)|(mss << 1));
5553 else
f3f3f27e 5554 tg3_set_txd(tnapi, entry, mapping, len,
1da177e4
LT		 5555 base_flags, (i == last));
5556
5557 entry = NEXT_TX(entry);
5558 }
5559 }
5560
5561 if (would_hit_hwbug) {
5562 u32 last_plus_one = entry;
5563 u32 start;
1da177e4 5564
c58ec932
MC		 5565 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5566 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 5567
5568 /* If the workaround fails due to memory/mapping
5569 * failure, silently drop this packet.
5570 */
24f4efd4 5571 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
c58ec932 5572 &start, base_flags, mss))
1da177e4
LT		 5573 goto out_unlock;
5574
5575 entry = start;
5576 }
5577
5578 /* Packets are ready, update Tx producer idx local and on card. */
24f4efd4 5579 tw32_tx_mbox(tnapi->prodmbox, entry);
1da177e4 5580
f3f3f27e
MC		 5581 tnapi->tx_prod = entry;
5582 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
24f4efd4 5583 netif_tx_stop_queue(txq);
f3f3f27e 5584 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
24f4efd4 5585 netif_tx_wake_queue(txq);
51b91468 5586 }
1da177e4
LT		 5587
5588out_unlock:
cdd0db05 5589 mmiowb();
1da177e4
LT		 5590
5591 return NETDEV_TX_OK;
5592}
5593
5594static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5595 int new_mtu)
5596{
5597 dev->mtu = new_mtu;
5598
ef7f5ec0 5599 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 5600 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 5601 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5602 ethtool_op_set_tso(dev, 0);
5603 }
5604 else
5605 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5606 } else {
a4e2b347 5607 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 5608 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 5609 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 5610 }
1da177e4
LT		 5611}
5612
5613static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5614{
5615 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 5616 int err;
1da177e4
LT		 5617
5618 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5619 return -EINVAL;
5620
5621 if (!netif_running(dev)) {
5622 /* We'll just catch it later when the
5623 * device is up'd.
5624 */
5625 tg3_set_mtu(dev, tp, new_mtu);
5626 return 0;
5627 }
5628
b02fd9e3
MC		 5629 tg3_phy_stop(tp);
5630
1da177e4 5631 tg3_netif_stop(tp);
f47c11ee
DM		 5632
5633 tg3_full_lock(tp, 1);
1da177e4 5634
944d980e 5635 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 5636
5637 tg3_set_mtu(dev, tp, new_mtu);
5638
b9ec6c1b 5639 err = tg3_restart_hw(tp, 0);
1da177e4 5640
b9ec6c1b
MC		 5641 if (!err)
5642 tg3_netif_start(tp);
1da177e4 5643
f47c11ee 5644 tg3_full_unlock(tp);
1da177e4 5645
b02fd9e3
MC		 5646 if (!err)
5647 tg3_phy_start(tp);
5648
b9ec6c1b 5649 return err;
1da177e4
LT		 5650}
5651
21f581a5
MC		 5652static void tg3_rx_prodring_free(struct tg3 *tp,
5653 struct tg3_rx_prodring_set *tpr)
1da177e4 5654{
1da177e4 5655 int i;
f3f3f27e 5656 struct ring_info *rxp;
1da177e4
LT		 5657
5658 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
21f581a5 5659 rxp = &tpr->rx_std_buffers[i];
1da177e4
LT		 5660
5661 if (rxp->skb == NULL)
5662 continue;
1da177e4 5663
1da177e4
LT		 5664 pci_unmap_single(tp->pdev,
5665 pci_unmap_addr(rxp, mapping),
cf7a7298 5666 tp->rx_pkt_map_sz,
1da177e4
LT		 5667 PCI_DMA_FROMDEVICE);
5668 dev_kfree_skb_any(rxp->skb);
5669 rxp->skb = NULL;
5670 }
5671
cf7a7298
MC		 5672 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5673 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
21f581a5 5674 rxp = &tpr->rx_jmb_buffers[i];
1da177e4 5675
cf7a7298
MC		 5676 if (rxp->skb == NULL)
5677 continue;
1da177e4 5678
cf7a7298
MC		 5679 pci_unmap_single(tp->pdev,
5680 pci_unmap_addr(rxp, mapping),
5681 TG3_RX_JMB_MAP_SZ,
5682 PCI_DMA_FROMDEVICE);
5683 dev_kfree_skb_any(rxp->skb);
5684 rxp->skb = NULL;
1da177e4 5685 }
1da177e4
LT		 5686 }
5687}
5688
5689/* Initialize tx/rx rings for packet processing.
5690 *
5691 * The chip has been shut down and the driver detached from
5692 * the networking, so no interrupts or new tx packets will
5693 * end up in the driver. tp->{tx,}lock are held and thus
5694 * we may not sleep.
5695 */
21f581a5
MC		 5696static int tg3_rx_prodring_alloc(struct tg3 *tp,
5697 struct tg3_rx_prodring_set *tpr)
1da177e4 5698{
287be12e 5699 u32 i, rx_pkt_dma_sz;
17375d25 5700 struct tg3_napi *tnapi = &tp->napi[0];
1da177e4 5701
1da177e4 5702 /* Zero out all descriptors. */
21f581a5 5703 memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
1da177e4 5704
287be12e 5705 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
a4e2b347 5706 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
287be12e
MC		 5707 tp->dev->mtu > ETH_DATA_LEN)
5708 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
5709 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
7e72aad4 5710
1da177e4
LT		 5711 /* Initialize invariants of the rings, we only set this
5712 * stuff once. This works because the card does not
5713 * write into the rx buffer posting rings.
5714 */
5715 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5716 struct tg3_rx_buffer_desc *rxd;
5717
21f581a5 5718 rxd = &tpr->rx_std[i];
287be12e 5719 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
1da177e4
LT		 5720 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5721 rxd->opaque = (RXD_OPAQUE_RING_STD |
5722 (i << RXD_OPAQUE_INDEX_SHIFT));
5723 }
5724
1da177e4
LT		 5725 /* Now allocate fresh SKBs for each rx ring. */
5726 for (i = 0; i < tp->rx_pending; i++) {
17375d25 5727 if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, -1, i) < 0) {
32d8c572
MC		 5728 printk(KERN_WARNING PFX
5729 "%s: Using a smaller RX standard ring, "
5730 "only %d out of %d buffers were allocated "
5731 "successfully.\n",
5732 tp->dev->name, i, tp->rx_pending);
5733 if (i == 0)
cf7a7298 5734 goto initfail;
32d8c572 5735 tp->rx_pending = i;
1da177e4 5736 break;
32d8c572 5737 }
1da177e4
LT		 5738 }
5739
cf7a7298
MC		 5740 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
5741 goto done;
5742
21f581a5 5743 memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
cf7a7298 5744
0f893dc6 5745 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
cf7a7298
MC		 5746 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5747 struct tg3_rx_buffer_desc *rxd;
5748
79ed5ac7 5749 rxd = &tpr->rx_jmb[i].std;
cf7a7298
MC		 5750 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
5751 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5752 RXD_FLAG_JUMBO;
5753 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5754 (i << RXD_OPAQUE_INDEX_SHIFT));
5755 }
5756
1da177e4 5757 for (i = 0; i < tp->rx_jumbo_pending; i++) {
17375d25 5758 if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_JUMBO,
32d8c572
MC		 5759 -1, i) < 0) {
5760 printk(KERN_WARNING PFX
5761 "%s: Using a smaller RX jumbo ring, "
5762 "only %d out of %d buffers were "
5763 "allocated successfully.\n",
5764 tp->dev->name, i, tp->rx_jumbo_pending);
cf7a7298
MC		 5765 if (i == 0)
5766 goto initfail;
32d8c572 5767 tp->rx_jumbo_pending = i;
1da177e4 5768 break;
32d8c572 5769 }
1da177e4
LT		 5770 }
5771 }
cf7a7298
MC		 5772
5773done:
32d8c572 5774 return 0;
cf7a7298
MC		 5775
5776initfail:
21f581a5 5777 tg3_rx_prodring_free(tp, tpr);
cf7a7298 5778 return -ENOMEM;
1da177e4
LT		 5779}
5780
21f581a5
MC		 5781static void tg3_rx_prodring_fini(struct tg3 *tp,
5782 struct tg3_rx_prodring_set *tpr)
1da177e4 5783{
21f581a5
MC		 5784 kfree(tpr->rx_std_buffers);
5785 tpr->rx_std_buffers = NULL;
5786 kfree(tpr->rx_jmb_buffers);
5787 tpr->rx_jmb_buffers = NULL;
5788 if (tpr->rx_std) {
1da177e4 5789 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
21f581a5
MC		 5790 tpr->rx_std, tpr->rx_std_mapping);
5791 tpr->rx_std = NULL;
1da177e4 5792 }
21f581a5 5793 if (tpr->rx_jmb) {
1da177e4 5794 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
21f581a5
MC		 5795 tpr->rx_jmb, tpr->rx_jmb_mapping);
5796 tpr->rx_jmb = NULL;
1da177e4 5797 }
cf7a7298
MC		 5798}
5799
21f581a5
MC		 5800static int tg3_rx_prodring_init(struct tg3 *tp,
5801 struct tg3_rx_prodring_set *tpr)
cf7a7298 5802{
21f581a5
MC		 5803 tpr->rx_std_buffers = kzalloc(sizeof(struct ring_info) *
5804 TG3_RX_RING_SIZE, GFP_KERNEL);
5805 if (!tpr->rx_std_buffers)
cf7a7298
MC		 5806 return -ENOMEM;
5807
21f581a5
MC		 5808 tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5809 &tpr->rx_std_mapping);
5810 if (!tpr->rx_std)
cf7a7298
MC		 5811 goto err_out;
5812
5813 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
21f581a5
MC		 5814 tpr->rx_jmb_buffers = kzalloc(sizeof(struct ring_info) *
5815 TG3_RX_JUMBO_RING_SIZE,
5816 GFP_KERNEL);
5817 if (!tpr->rx_jmb_buffers)
cf7a7298
MC		 5818 goto err_out;
5819
21f581a5
MC		 5820 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
5821 TG3_RX_JUMBO_RING_BYTES,
5822 &tpr->rx_jmb_mapping);
5823 if (!tpr->rx_jmb)
cf7a7298
MC		 5824 goto err_out;
5825 }
5826
5827 return 0;
5828
5829err_out:
21f581a5 5830 tg3_rx_prodring_fini(tp, tpr);
cf7a7298
MC		 5831 return -ENOMEM;
5832}
5833
5834/* Free up pending packets in all rx/tx rings.
5835 *
5836 * The chip has been shut down and the driver detached from
5837 * the networking, so no interrupts or new tx packets will
5838 * end up in the driver. tp->{tx,}lock is not held and we are not
5839 * in an interrupt context and thus may sleep.
5840 */
5841static void tg3_free_rings(struct tg3 *tp)
5842{
f77a6a8e 5843 int i, j;
cf7a7298 5844
f77a6a8e
MC		 5845 for (j = 0; j < tp->irq_cnt; j++) {
5846 struct tg3_napi *tnapi = &tp->napi[j];
cf7a7298 5847
0c1d0e2b
MC		 5848 if (!tnapi->tx_buffers)
5849 continue;
5850
f77a6a8e
MC		 5851 for (i = 0; i < TG3_TX_RING_SIZE; ) {
5852 struct tx_ring_info *txp;
5853 struct sk_buff *skb;
cf7a7298 5854
f77a6a8e
MC		 5855 txp = &tnapi->tx_buffers[i];
5856 skb = txp->skb;
cf7a7298 5857
f77a6a8e
MC		 5858 if (skb == NULL) {
5859 i++;
5860 continue;
5861 }
cf7a7298 5862
f77a6a8e 5863 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
cf7a7298 5864
f77a6a8e 5865 txp->skb = NULL;
cf7a7298 5866
f77a6a8e
MC		 5867 i += skb_shinfo(skb)->nr_frags + 1;
5868
5869 dev_kfree_skb_any(skb);
5870 }
cf7a7298
MC		 5871 }
5872
21f581a5 5873 tg3_rx_prodring_free(tp, &tp->prodring[0]);
cf7a7298
MC		 5874}
5875
5876/* Initialize tx/rx rings for packet processing.
5877 *
5878 * The chip has been shut down and the driver detached from
5879 * the networking, so no interrupts or new tx packets will
5880 * end up in the driver. tp->{tx,}lock are held and thus
5881 * we may not sleep.
5882 */
5883static int tg3_init_rings(struct tg3 *tp)
5884{
f77a6a8e 5885 int i;
72334482 5886
cf7a7298
MC		 5887 /* Free up all the SKBs. */
5888 tg3_free_rings(tp);
5889
f77a6a8e
MC		 5890 for (i = 0; i < tp->irq_cnt; i++) {
5891 struct tg3_napi *tnapi = &tp->napi[i];
5892
5893 tnapi->last_tag = 0;
5894 tnapi->last_irq_tag = 0;
5895 tnapi->hw_status->status = 0;
5896 tnapi->hw_status->status_tag = 0;
5897 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
cf7a7298 5898
f77a6a8e
MC		 5899 tnapi->tx_prod = 0;
5900 tnapi->tx_cons = 0;
0c1d0e2b
MC		 5901 if (tnapi->tx_ring)
5902 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
f77a6a8e
MC		 5903
5904 tnapi->rx_rcb_ptr = 0;
0c1d0e2b
MC		 5905 if (tnapi->rx_rcb)
5906 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
f77a6a8e 5907 }
72334482 5908
21f581a5 5909 return tg3_rx_prodring_alloc(tp, &tp->prodring[0]);
cf7a7298
MC		 5910}
5911
5912/*
5913 * Must not be invoked with interrupt sources disabled and
5914 * the hardware shutdown down.
5915 */
5916static void tg3_free_consistent(struct tg3 *tp)
5917{
f77a6a8e 5918 int i;
898a56f8 5919
f77a6a8e
MC		 5920 for (i = 0; i < tp->irq_cnt; i++) {
5921 struct tg3_napi *tnapi = &tp->napi[i];
5922
5923 if (tnapi->tx_ring) {
5924 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5925 tnapi->tx_ring, tnapi->tx_desc_mapping);
5926 tnapi->tx_ring = NULL;
5927 }
5928
5929 kfree(tnapi->tx_buffers);
5930 tnapi->tx_buffers = NULL;
5931
5932 if (tnapi->rx_rcb) {
5933 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5934 tnapi->rx_rcb,
5935 tnapi->rx_rcb_mapping);
5936 tnapi->rx_rcb = NULL;
5937 }
5938
5939 if (tnapi->hw_status) {
5940 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5941 tnapi->hw_status,
5942 tnapi->status_mapping);
5943 tnapi->hw_status = NULL;
5944 }
1da177e4 5945 }
f77a6a8e 5946
1da177e4
LT		 5947 if (tp->hw_stats) {
5948 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5949 tp->hw_stats, tp->stats_mapping);
5950 tp->hw_stats = NULL;
5951 }
f77a6a8e 5952
21f581a5 5953 tg3_rx_prodring_fini(tp, &tp->prodring[0]);
1da177e4
LT		 5954}
5955
5956/*
5957 * Must not be invoked with interrupt sources disabled and
5958 * the hardware shutdown down. Can sleep.
5959 */
5960static int tg3_alloc_consistent(struct tg3 *tp)
5961{
f77a6a8e 5962 int i;
898a56f8 5963
21f581a5 5964 if (tg3_rx_prodring_init(tp, &tp->prodring[0]))
1da177e4
LT		 5965 return -ENOMEM;
5966
f77a6a8e
MC		 5967 tp->hw_stats = pci_alloc_consistent(tp->pdev,
5968 sizeof(struct tg3_hw_stats),
5969 &tp->stats_mapping);
5970 if (!tp->hw_stats)
1da177e4
LT		 5971 goto err_out;
5972
f77a6a8e 5973 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
1da177e4 5974
f77a6a8e
MC		 5975 for (i = 0; i < tp->irq_cnt; i++) {
5976 struct tg3_napi *tnapi = &tp->napi[i];
8d9d7cfc 5977 struct tg3_hw_status *sblk;
1da177e4 5978
f77a6a8e
MC		 5979 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
5980 TG3_HW_STATUS_SIZE,
5981 &tnapi->status_mapping);
5982 if (!tnapi->hw_status)
5983 goto err_out;
898a56f8 5984
f77a6a8e 5985 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
8d9d7cfc
MC		 5986 sblk = tnapi->hw_status;
5987
5988 /*
5989 * When RSS is enabled, the status block format changes
5990 * slightly. The "rx_jumbo_consumer", "reserved",
5991 * and "rx_mini_consumer" members get mapped to the
5992 * other three rx return ring producer indexes.
5993 */
5994 switch (i) {
5995 default:
5996 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
5997 break;
5998 case 2:
5999 tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6000 break;
6001 case 3:
6002 tnapi->rx_rcb_prod_idx = &sblk->reserved;
6003 break;
6004 case 4:
6005 tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6006 break;
6007 }
72334482 6008
0c1d0e2b
MC		 6009 /*
6010 * If multivector RSS is enabled, vector 0 does not handle
6011 * rx or tx interrupts. Don't allocate any resources for it.
6012 */
6013 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6014 continue;
6015
f77a6a8e
MC		 6016 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6017 TG3_RX_RCB_RING_BYTES(tp),
6018 &tnapi->rx_rcb_mapping);
6019 if (!tnapi->rx_rcb)
6020 goto err_out;
72334482 6021
f77a6a8e 6022 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
1da177e4 6023
f77a6a8e
MC		 6024 tnapi->tx_buffers = kzalloc(sizeof(struct tx_ring_info) *
6025 TG3_TX_RING_SIZE, GFP_KERNEL);
6026 if (!tnapi->tx_buffers)
6027 goto err_out;
6028
6029 tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6030 TG3_TX_RING_BYTES,
6031 &tnapi->tx_desc_mapping);
6032 if (!tnapi->tx_ring)
6033 goto err_out;
6034 }
1da177e4
LT		 6035
6036 return 0;
6037
6038err_out:
6039 tg3_free_consistent(tp);
6040 return -ENOMEM;
6041}
6042
6043#define MAX_WAIT_CNT 1000
6044
6045/* To stop a block, clear the enable bit and poll till it
6046 * clears. tp->lock is held.
6047 */
b3b7d6be 6048static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 6049{
6050 unsigned int i;
6051 u32 val;
6052
6053 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6054 switch (ofs) {
6055 case RCVLSC_MODE:
6056 case DMAC_MODE:
6057 case MBFREE_MODE:
6058 case BUFMGR_MODE:
6059 case MEMARB_MODE:
6060 /* We can't enable/disable these bits of the
6061 * 5705/5750, just say success.
6062 */
6063 return 0;
6064
6065 default:
6066 break;
855e1111 6067 }
1da177e4
LT		 6068 }
6069
6070 val = tr32(ofs);
6071 val &= ~enable_bit;
6072 tw32_f(ofs, val);
6073
6074 for (i = 0; i < MAX_WAIT_CNT; i++) {
6075 udelay(100);
6076 val = tr32(ofs);
6077 if ((val & enable_bit) == 0)
6078 break;
6079 }
6080
b3b7d6be 6081 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 6082 printk(KERN_ERR PFX "tg3_stop_block timed out, "
6083 "ofs=%lx enable_bit=%x\n",
6084 ofs, enable_bit);
6085 return -ENODEV;
6086 }
6087
6088 return 0;
6089}
6090
6091/* tp->lock is held. */
b3b7d6be 6092static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 6093{
6094 int i, err;
6095
6096 tg3_disable_ints(tp);
6097
6098 tp->rx_mode &= ~RX_MODE_ENABLE;
6099 tw32_f(MAC_RX_MODE, tp->rx_mode);
6100 udelay(10);
6101
b3b7d6be
DM		 6102 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6103 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6104 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6105 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6106 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6107 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6108
6109 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6110 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6111 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6112 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6113 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6114 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6115 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 6116
6117 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6118 tw32_f(MAC_MODE, tp->mac_mode);
6119 udelay(40);
6120
6121 tp->tx_mode &= ~TX_MODE_ENABLE;
6122 tw32_f(MAC_TX_MODE, tp->tx_mode);
6123
6124 for (i = 0; i < MAX_WAIT_CNT; i++) {
6125 udelay(100);
6126 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6127 break;
6128 }
6129 if (i >= MAX_WAIT_CNT) {
6130 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
6131 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6132 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 6133 err |= -ENODEV;
1da177e4
LT		 6134 }
6135
e6de8ad1 6136 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 6137 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6138 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 6139
6140 tw32(FTQ_RESET, 0xffffffff);
6141 tw32(FTQ_RESET, 0x00000000);
6142
b3b7d6be
DM		 6143 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6144 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4 6145
f77a6a8e
MC		 6146 for (i = 0; i < tp->irq_cnt; i++) {
6147 struct tg3_napi *tnapi = &tp->napi[i];
6148 if (tnapi->hw_status)
6149 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6150 }
1da177e4
LT		 6151 if (tp->hw_stats)
6152 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6153
1da177e4
LT		 6154 return err;
6155}
6156
0d3031d9
MC		 6157static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6158{
6159 int i;
6160 u32 apedata;
6161
6162 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6163 if (apedata != APE_SEG_SIG_MAGIC)
6164 return;
6165
6166 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
731fd79c 6167 if (!(apedata & APE_FW_STATUS_READY))
0d3031d9
MC		 6168 return;
6169
6170 /* Wait for up to 1 millisecond for APE to service previous event. */
6171 for (i = 0; i < 10; i++) {
6172 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6173 return;
6174
6175 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6176
6177 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6178 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6179 event | APE_EVENT_STATUS_EVENT_PENDING);
6180
6181 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6182
6183 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6184 break;
6185
6186 udelay(100);
6187 }
6188
6189 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6190 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6191}
6192
6193static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6194{
6195 u32 event;
6196 u32 apedata;
6197
6198 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6199 return;
6200
6201 switch (kind) {
6202 case RESET_KIND_INIT:
6203 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6204 APE_HOST_SEG_SIG_MAGIC);
6205 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6206 APE_HOST_SEG_LEN_MAGIC);
6207 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6208 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6209 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6210 APE_HOST_DRIVER_ID_MAGIC);
6211 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6212 APE_HOST_BEHAV_NO_PHYLOCK);
6213
6214 event = APE_EVENT_STATUS_STATE_START;
6215 break;
6216 case RESET_KIND_SHUTDOWN:
b2aee154
MC		 6217 /* With the interface we are currently using,
6218 * APE does not track driver state. Wiping
6219 * out the HOST SEGMENT SIGNATURE forces
6220 * the APE to assume OS absent status.
6221 */
6222 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6223
0d3031d9
MC		 6224 event = APE_EVENT_STATUS_STATE_UNLOAD;
6225 break;
6226 case RESET_KIND_SUSPEND:
6227 event = APE_EVENT_STATUS_STATE_SUSPEND;
6228 break;
6229 default:
6230 return;
6231 }
6232
6233 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6234
6235 tg3_ape_send_event(tp, event);
6236}
6237
1da177e4
LT		 6238/* tp->lock is held. */
6239static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6240{
f49639e6
DM		 6241 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6242 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 6243
6244 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6245 switch (kind) {
6246 case RESET_KIND_INIT:
6247 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6248 DRV_STATE_START);
6249 break;
6250
6251 case RESET_KIND_SHUTDOWN:
6252 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6253 DRV_STATE_UNLOAD);
6254 break;
6255
6256 case RESET_KIND_SUSPEND:
6257 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6258 DRV_STATE_SUSPEND);
6259 break;
6260
6261 default:
6262 break;
855e1111 6263 }
1da177e4 6264 }
0d3031d9
MC		 6265
6266 if (kind == RESET_KIND_INIT ||
6267 kind == RESET_KIND_SUSPEND)
6268 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 6269}
6270
6271/* tp->lock is held. */
6272static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6273{
6274 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6275 switch (kind) {
6276 case RESET_KIND_INIT:
6277 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6278 DRV_STATE_START_DONE);
6279 break;
6280
6281 case RESET_KIND_SHUTDOWN:
6282 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6283 DRV_STATE_UNLOAD_DONE);
6284 break;
6285
6286 default:
6287 break;
855e1111 6288 }
1da177e4 6289 }
0d3031d9
MC		 6290
6291 if (kind == RESET_KIND_SHUTDOWN)
6292 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 6293}
6294
6295/* tp->lock is held. */
6296static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6297{
6298 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6299 switch (kind) {
6300 case RESET_KIND_INIT:
6301 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6302 DRV_STATE_START);
6303 break;
6304
6305 case RESET_KIND_SHUTDOWN:
6306 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6307 DRV_STATE_UNLOAD);
6308 break;
6309
6310 case RESET_KIND_SUSPEND:
6311 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6312 DRV_STATE_SUSPEND);
6313 break;
6314
6315 default:
6316 break;
855e1111 6317 }
1da177e4
LT		 6318 }
6319}
6320
7a6f4369
MC		 6321static int tg3_poll_fw(struct tg3 *tp)
6322{
6323 int i;
6324 u32 val;
6325
b5d3772c 6326 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 6327 /* Wait up to 20ms for init done. */
6328 for (i = 0; i < 200; i++) {
b5d3772c
MC		 6329 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6330 return 0;
0ccead18 6331 udelay(100);
b5d3772c
MC		 6332 }
6333 return -ENODEV;
6334 }
6335
7a6f4369
MC		 6336 /* Wait for firmware initialization to complete. */
6337 for (i = 0; i < 100000; i++) {
6338 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6339 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6340 break;
6341 udelay(10);
6342 }
6343
6344 /* Chip might not be fitted with firmware. Some Sun onboard
6345 * parts are configured like that. So don't signal the timeout
6346 * of the above loop as an error, but do report the lack of
6347 * running firmware once.
6348 */
6349 if (i >= 100000 &&
6350 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6351 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6352
6353 printk(KERN_INFO PFX "%s: No firmware running.\n",
6354 tp->dev->name);
6355 }
6356
6357 return 0;
6358}
6359
ee6a99b5
MC		 6360/* Save PCI command register before chip reset */
6361static void tg3_save_pci_state(struct tg3 *tp)
6362{
8a6eac90 6363 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
ee6a99b5
MC		 6364}
6365
6366/* Restore PCI state after chip reset */
6367static void tg3_restore_pci_state(struct tg3 *tp)
6368{
6369 u32 val;
6370
6371 /* Re-enable indirect register accesses. */
6372 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6373 tp->misc_host_ctrl);
6374
6375 /* Set MAX PCI retry to zero. */
6376 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6377 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6378 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6379 val |= PCISTATE_RETRY_SAME_DMA;
0d3031d9
MC		 6380 /* Allow reads and writes to the APE register and memory space. */
6381 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6382 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6383 PCISTATE_ALLOW_APE_SHMEM_WR;
ee6a99b5
MC		 6384 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6385
8a6eac90 6386 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
ee6a99b5 6387
fcb389df
MC		 6388 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6389 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6390 pcie_set_readrq(tp->pdev, 4096);
6391 else {
6392 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6393 tp->pci_cacheline_sz);
6394 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6395 tp->pci_lat_timer);
6396 }
114342f2 6397 }
5f5c51e3 6398
ee6a99b5 6399 /* Make sure PCI-X relaxed ordering bit is clear. */
52f4490c 6400 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
9974a356
MC		 6401 u16 pcix_cmd;
6402
6403 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6404 &pcix_cmd);
6405 pcix_cmd &= ~PCI_X_CMD_ERO;
6406 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6407 pcix_cmd);
6408 }
ee6a99b5
MC		 6409
6410 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ee6a99b5
MC		 6411
6412 /* Chip reset on 5780 will reset MSI enable bit,
6413 * so need to restore it.
6414 */
6415 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6416 u16 ctrl;
6417
6418 pci_read_config_word(tp->pdev,
6419 tp->msi_cap + PCI_MSI_FLAGS,
6420 &ctrl);
6421 pci_write_config_word(tp->pdev,
6422 tp->msi_cap + PCI_MSI_FLAGS,
6423 ctrl | PCI_MSI_FLAGS_ENABLE);
6424 val = tr32(MSGINT_MODE);
6425 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6426 }
6427 }
6428}
6429
1da177e4
LT		 6430static void tg3_stop_fw(struct tg3 *);
6431
6432/* tp->lock is held. */
6433static int tg3_chip_reset(struct tg3 *tp)
6434{
6435 u32 val;
1ee582d8 6436 void (*write_op)(struct tg3 *, u32, u32);
4f125f42 6437 int i, err;
1da177e4 6438
f49639e6
DM		 6439 tg3_nvram_lock(tp);
6440
77b483f1
MC		 6441 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6442
f49639e6
DM		 6443 /* No matching tg3_nvram_unlock() after this because
6444 * chip reset below will undo the nvram lock.
6445 */
6446 tp->nvram_lock_cnt = 0;
1da177e4 6447
ee6a99b5
MC		 6448 /* GRC_MISC_CFG core clock reset will clear the memory
6449 * enable bit in PCI register 4 and the MSI enable bit
6450 * on some chips, so we save relevant registers here.
6451 */
6452 tg3_save_pci_state(tp);
6453
d9ab5ad1 6454 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
321d32a0 6455 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
d9ab5ad1
MC		 6456 tw32(GRC_FASTBOOT_PC, 0);
6457
1da177e4
LT		 6458 /*
6459 * We must avoid the readl() that normally takes place.
6460 * It locks machines, causes machine checks, and other
6461 * fun things. So, temporarily disable the 5701
6462 * hardware workaround, while we do the reset.
6463 */
1ee582d8
MC		 6464 write_op = tp->write32;
6465 if (write_op == tg3_write_flush_reg32)
6466 tp->write32 = tg3_write32;
1da177e4 6467
d18edcb2
MC		 6468 /* Prevent the irq handler from reading or writing PCI registers
6469 * during chip reset when the memory enable bit in the PCI command
6470 * register may be cleared. The chip does not generate interrupt
6471 * at this time, but the irq handler may still be called due to irq
6472 * sharing or irqpoll.
6473 */
6474 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
f77a6a8e
MC		 6475 for (i = 0; i < tp->irq_cnt; i++) {
6476 struct tg3_napi *tnapi = &tp->napi[i];
6477 if (tnapi->hw_status) {
6478 tnapi->hw_status->status = 0;
6479 tnapi->hw_status->status_tag = 0;
6480 }
6481 tnapi->last_tag = 0;
6482 tnapi->last_irq_tag = 0;
b8fa2f3a 6483 }
d18edcb2 6484 smp_mb();
4f125f42
MC		 6485
6486 for (i = 0; i < tp->irq_cnt; i++)
6487 synchronize_irq(tp->napi[i].irq_vec);
d18edcb2 6488
255ca311
MC		 6489 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6490 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6491 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6492 }
6493
1da177e4
LT		 6494 /* do the reset */
6495 val = GRC_MISC_CFG_CORECLK_RESET;
6496
6497 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6498 if (tr32(0x7e2c) == 0x60) {
6499 tw32(0x7e2c, 0x20);
6500 }
6501 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6502 tw32(GRC_MISC_CFG, (1 << 29));
6503 val |= (1 << 29);
6504 }
6505 }
6506
b5d3772c
MC		 6507 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6508 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6509 tw32(GRC_VCPU_EXT_CTRL,
6510 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6511 }
6512
1da177e4
LT		 6513 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6514 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6515 tw32(GRC_MISC_CFG, val);
6516
1ee582d8
MC		 6517 /* restore 5701 hardware bug workaround write method */
6518 tp->write32 = write_op;
1da177e4
LT		 6519
6520 /* Unfortunately, we have to delay before the PCI read back.
6521 * Some 575X chips even will not respond to a PCI cfg access
6522 * when the reset command is given to the chip.
6523 *
6524 * How do these hardware designers expect things to work
6525 * properly if the PCI write is posted for a long period
6526 * of time? It is always necessary to have some method by
6527 * which a register read back can occur to push the write
6528 * out which does the reset.
6529 *
6530 * For most tg3 variants the trick below was working.
6531 * Ho hum...
6532 */
6533 udelay(120);
6534
6535 /* Flush PCI posted writes. The normal MMIO registers
6536 * are inaccessible at this time so this is the only
6537 * way to make this reliably (actually, this is no longer
6538 * the case, see above). I tried to use indirect
6539 * register read/write but this upset some 5701 variants.
6540 */
6541 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6542
6543 udelay(120);
6544
5e7dfd0f 6545 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
e7126997
MC		 6546 u16 val16;
6547
1da177e4
LT		 6548 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6549 int i;
6550 u32 cfg_val;
6551
6552 /* Wait for link training to complete. */
6553 for (i = 0; i < 5000; i++)
6554 udelay(100);
6555
6556 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6557 pci_write_config_dword(tp->pdev, 0xc4,
6558 cfg_val | (1 << 15));
6559 }
5e7dfd0f 6560
e7126997
MC		 6561 /* Clear the "no snoop" and "relaxed ordering" bits. */
6562 pci_read_config_word(tp->pdev,
6563 tp->pcie_cap + PCI_EXP_DEVCTL,
6564 &val16);
6565 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6566 PCI_EXP_DEVCTL_NOSNOOP_EN);
6567 /*
6568 * Older PCIe devices only support the 128 byte
6569 * MPS setting. Enforce the restriction.
5e7dfd0f 6570 */
e7126997
MC		 6571 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6572 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6573 val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
5e7dfd0f
MC		 6574 pci_write_config_word(tp->pdev,
6575 tp->pcie_cap + PCI_EXP_DEVCTL,
e7126997 6576 val16);
5e7dfd0f
MC		 6577
6578 pcie_set_readrq(tp->pdev, 4096);
6579
6580 /* Clear error status */
6581 pci_write_config_word(tp->pdev,
6582 tp->pcie_cap + PCI_EXP_DEVSTA,
6583 PCI_EXP_DEVSTA_CED |
6584 PCI_EXP_DEVSTA_NFED |
6585 PCI_EXP_DEVSTA_FED |
6586 PCI_EXP_DEVSTA_URD);
1da177e4
LT		 6587 }
6588
ee6a99b5 6589 tg3_restore_pci_state(tp);
1da177e4 6590
d18edcb2
MC		 6591 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6592
ee6a99b5
MC		 6593 val = 0;
6594 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f 6595 val = tr32(MEMARB_MODE);
ee6a99b5 6596 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
1da177e4
LT		 6597
6598 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6599 tg3_stop_fw(tp);
6600 tw32(0x5000, 0x400);
6601 }
6602
6603 tw32(GRC_MODE, tp->grc_mode);
6604
6605 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
ab0049b4 6606 val = tr32(0xc4);
1da177e4
LT		 6607
6608 tw32(0xc4, val | (1 << 15));
6609 }
6610
6611 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6612 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6613 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6614 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6615 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6616 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6617 }
6618
6619 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6620 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6621 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 6622 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6623 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6624 tw32_f(MAC_MODE, tp->mac_mode);
3bda1258
MC		 6625 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6626 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6627 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6628 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6629 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 6630 } else
6631 tw32_f(MAC_MODE, 0);
6632 udelay(40);
6633
77b483f1
MC		 6634 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6635
7a6f4369
MC		 6636 err = tg3_poll_fw(tp);
6637 if (err)
6638 return err;
1da177e4 6639
0a9140cf
MC		 6640 tg3_mdio_start(tp);
6641
52cdf852
MC		 6642 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6643 u8 phy_addr;
6644
6645 phy_addr = tp->phy_addr;
6646 tp->phy_addr = TG3_PHY_PCIE_ADDR;
6647
6648 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6649 TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
6650 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
6651 TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
6652 TG3_PCIEPHY_TX0CTRL1_NB_EN;
6653 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
6654 udelay(10);
6655
6656 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6657 TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
6658 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
6659 TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
6660 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
6661 udelay(10);
6662
6663 tp->phy_addr = phy_addr;
6664 }
6665
1da177e4 6666 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
f6eb9b1f
MC		 6667 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
6668 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
6669 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
ab0049b4 6670 val = tr32(0x7c00);
1da177e4
LT		 6671
6672 tw32(0x7c00, val | (1 << 25));
6673 }
6674
6675 /* Reprobe ASF enable state. */
6676 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6677 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6678 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6679 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6680 u32 nic_cfg;
6681
6682 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6683 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6684 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4ba526ce 6685 tp->last_event_jiffies = jiffies;
cbf46853 6686 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 6687 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6688 }
6689 }
6690
6691 return 0;
6692}
6693
6694/* tp->lock is held. */
6695static void tg3_stop_fw(struct tg3 *tp)
6696{
0d3031d9
MC		 6697 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6698 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7c5026aa
MC		 6699 /* Wait for RX cpu to ACK the previous event. */
6700 tg3_wait_for_event_ack(tp);
1da177e4
LT		 6701
6702 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4ba526ce
MC		 6703
6704 tg3_generate_fw_event(tp);
1da177e4 6705
7c5026aa
MC		 6706 /* Wait for RX cpu to ACK this event. */
6707 tg3_wait_for_event_ack(tp);
1da177e4
LT		 6708 }
6709}
6710
6711/* tp->lock is held. */
944d980e 6712static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 6713{
6714 int err;
6715
6716 tg3_stop_fw(tp);
6717
944d980e 6718 tg3_write_sig_pre_reset(tp, kind);
1da177e4 6719
b3b7d6be 6720 tg3_abort_hw(tp, silent);
1da177e4
LT		 6721 err = tg3_chip_reset(tp);
6722
daba2a63
MC		 6723 __tg3_set_mac_addr(tp, 0);
6724
944d980e
MC		 6725 tg3_write_sig_legacy(tp, kind);
6726 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 6727
6728 if (err)
6729 return err;
6730
6731 return 0;
6732}
6733
1da177e4
LT		 6734#define RX_CPU_SCRATCH_BASE 0x30000
6735#define RX_CPU_SCRATCH_SIZE 0x04000
6736#define TX_CPU_SCRATCH_BASE 0x34000
6737#define TX_CPU_SCRATCH_SIZE 0x04000
6738
6739/* tp->lock is held. */
6740static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6741{
6742 int i;
6743
5d9428de
ES		 6744 BUG_ON(offset == TX_CPU_BASE &&
6745 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 6746
b5d3772c
MC		 6747 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6748 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6749
6750 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6751 return 0;
6752 }
1da177e4
LT		 6753 if (offset == RX_CPU_BASE) {
6754 for (i = 0; i < 10000; i++) {
6755 tw32(offset + CPU_STATE, 0xffffffff);
6756 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6757 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6758 break;
6759 }
6760
6761 tw32(offset + CPU_STATE, 0xffffffff);
6762 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
6763 udelay(10);
6764 } else {
6765 for (i = 0; i < 10000; i++) {
6766 tw32(offset + CPU_STATE, 0xffffffff);
6767 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6768 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6769 break;
6770 }
6771 }
6772
6773 if (i >= 10000) {
6774 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6775 "and %s CPU\n",
6776 tp->dev->name,
6777 (offset == RX_CPU_BASE ? "RX" : "TX"));
6778 return -ENODEV;
6779 }
ec41c7df
MC		 6780
6781 /* Clear firmware's nvram arbitration. */
6782 if (tp->tg3_flags & TG3_FLAG_NVRAM)
6783 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 6784 return 0;
6785}
6786
6787struct fw_info {
077f849d
JSR		 6788 unsigned int fw_base;
6789 unsigned int fw_len;
6790 const __be32 *fw_data;
1da177e4
LT		 6791};
6792
6793/* tp->lock is held. */
6794static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6795 int cpu_scratch_size, struct fw_info *info)
6796{
ec41c7df 6797 int err, lock_err, i;
1da177e4
LT		 6798 void (*write_op)(struct tg3 *, u32, u32);
6799
6800 if (cpu_base == TX_CPU_BASE &&
6801 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6802 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6803 "TX cpu firmware on %s which is 5705.\n",
6804 tp->dev->name);
6805 return -EINVAL;
6806 }
6807
6808 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6809 write_op = tg3_write_mem;
6810 else
6811 write_op = tg3_write_indirect_reg32;
6812
1b628151
MC		 6813 /* It is possible that bootcode is still loading at this point.
6814 * Get the nvram lock first before halting the cpu.
6815 */
ec41c7df 6816 lock_err = tg3_nvram_lock(tp);
1da177e4 6817 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 6818 if (!lock_err)
6819 tg3_nvram_unlock(tp);
1da177e4
LT		 6820 if (err)
6821 goto out;
6822
6823 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6824 write_op(tp, cpu_scratch_base + i, 0);
6825 tw32(cpu_base + CPU_STATE, 0xffffffff);
6826 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
077f849d 6827 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
1da177e4 6828 write_op(tp, (cpu_scratch_base +
077f849d 6829 (info->fw_base & 0xffff) +
1da177e4 6830 (i * sizeof(u32))),
077f849d 6831 be32_to_cpu(info->fw_data[i]));
1da177e4
LT		 6832
6833 err = 0;
6834
6835out:
1da177e4
LT		 6836 return err;
6837}
6838
6839/* tp->lock is held. */
6840static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6841{
6842 struct fw_info info;
077f849d 6843 const __be32 *fw_data;
1da177e4
LT		 6844 int err, i;
6845
077f849d
JSR		 6846 fw_data = (void *)tp->fw->data;
6847
6848 /* Firmware blob starts with version numbers, followed by
6849 start address and length. We are setting complete length.
6850 length = end_address_of_bss - start_address_of_text.
6851 Remainder is the blob to be loaded contiguously
6852 from start address. */
6853
6854 info.fw_base = be32_to_cpu(fw_data[1]);
6855 info.fw_len = tp->fw->size - 12;
6856 info.fw_data = &fw_data[3];
1da177e4
LT		 6857
6858 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6859 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6860 &info);
6861 if (err)
6862 return err;
6863
6864 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6865 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6866 &info);
6867 if (err)
6868 return err;
6869
6870 /* Now startup only the RX cpu. */
6871 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
077f849d 6872 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
1da177e4
LT		 6873
6874 for (i = 0; i < 5; i++) {
077f849d 6875 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
1da177e4
LT		 6876 break;
6877 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6878 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
077f849d 6879 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
1da177e4
LT		 6880 udelay(1000);
6881 }
6882 if (i >= 5) {
6883 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6884 "to set RX CPU PC, is %08x should be %08x\n",
6885 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
077f849d 6886 info.fw_base);
1da177e4
LT		 6887 return -ENODEV;
6888 }
6889 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6890 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
6891
6892 return 0;
6893}
6894
1da177e4 6895/* 5705 needs a special version of the TSO firmware. */
1da177e4
LT		 6896
6897/* tp->lock is held. */
6898static int tg3_load_tso_firmware(struct tg3 *tp)
6899{
6900 struct fw_info info;
077f849d 6901 const __be32 *fw_data;
1da177e4
LT		 6902 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6903 int err, i;
6904
6905 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6906 return 0;
6907
077f849d
JSR		 6908 fw_data = (void *)tp->fw->data;
6909
6910 /* Firmware blob starts with version numbers, followed by
6911 start address and length. We are setting complete length.
6912 length = end_address_of_bss - start_address_of_text.
6913 Remainder is the blob to be loaded contiguously
6914 from start address. */
6915
6916 info.fw_base = be32_to_cpu(fw_data[1]);
6917 cpu_scratch_size = tp->fw_len;
6918 info.fw_len = tp->fw->size - 12;
6919 info.fw_data = &fw_data[3];
6920
1da177e4 6921 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1da177e4
LT		 6922 cpu_base = RX_CPU_BASE;
6923 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
1da177e4 6924 } else {
1da177e4
LT		 6925 cpu_base = TX_CPU_BASE;
6926 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6927 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6928 }
6929
6930 err = tg3_load_firmware_cpu(tp, cpu_base,
6931 cpu_scratch_base, cpu_scratch_size,
6932 &info);
6933 if (err)
6934 return err;
6935
6936 /* Now startup the cpu. */
6937 tw32(cpu_base + CPU_STATE, 0xffffffff);
077f849d 6938 tw32_f(cpu_base + CPU_PC, info.fw_base);
1da177e4
LT		 6939
6940 for (i = 0; i < 5; i++) {
077f849d 6941 if (tr32(cpu_base + CPU_PC) == info.fw_base)
1da177e4
LT		 6942 break;
6943 tw32(cpu_base + CPU_STATE, 0xffffffff);
6944 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
077f849d 6945 tw32_f(cpu_base + CPU_PC, info.fw_base);
1da177e4
LT		 6946 udelay(1000);
6947 }
6948 if (i >= 5) {
6949 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6950 "to set CPU PC, is %08x should be %08x\n",
6951 tp->dev->name, tr32(cpu_base + CPU_PC),
077f849d 6952 info.fw_base);
1da177e4
LT		 6953 return -ENODEV;
6954 }
6955 tw32(cpu_base + CPU_STATE, 0xffffffff);
6956 tw32_f(cpu_base + CPU_MODE, 0x00000000);
6957 return 0;
6958}
6959
1da177e4 6960
1da177e4
LT		 6961static int tg3_set_mac_addr(struct net_device *dev, void *p)
6962{
6963 struct tg3 *tp = netdev_priv(dev);
6964 struct sockaddr *addr = p;
986e0aeb 6965 int err = 0, skip_mac_1 = 0;
1da177e4 6966
f9804ddb
MC		 6967 if (!is_valid_ether_addr(addr->sa_data))
6968 return -EINVAL;
6969
1da177e4
LT		 6970 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6971
e75f7c90
MC		 6972 if (!netif_running(dev))
6973 return 0;
6974
58712ef9 6975 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
986e0aeb 6976 u32 addr0_high, addr0_low, addr1_high, addr1_low;
58712ef9 6977
986e0aeb
MC		 6978 addr0_high = tr32(MAC_ADDR_0_HIGH);
6979 addr0_low = tr32(MAC_ADDR_0_LOW);
6980 addr1_high = tr32(MAC_ADDR_1_HIGH);
6981 addr1_low = tr32(MAC_ADDR_1_LOW);
6982
6983 /* Skip MAC addr 1 if ASF is using it. */
6984 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6985 !(addr1_high == 0 && addr1_low == 0))
6986 skip_mac_1 = 1;
58712ef9 6987 }
986e0aeb
MC		 6988 spin_lock_bh(&tp->lock);
6989 __tg3_set_mac_addr(tp, skip_mac_1);
6990 spin_unlock_bh(&tp->lock);
1da177e4 6991
b9ec6c1b 6992 return err;
1da177e4
LT		 6993}
6994
6995/* tp->lock is held. */
6996static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6997 dma_addr_t mapping, u32 maxlen_flags,
6998 u32 nic_addr)
6999{
7000 tg3_write_mem(tp,
7001 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7002 ((u64) mapping >> 32));
7003 tg3_write_mem(tp,
7004 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7005 ((u64) mapping & 0xffffffff));
7006 tg3_write_mem(tp,
7007 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7008 maxlen_flags);
7009
7010 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7011 tg3_write_mem(tp,
7012 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7013 nic_addr);
7014}
7015
7016static void __tg3_set_rx_mode(struct net_device *);
d244c892 7017static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d 7018{
b6080e12
MC		 7019 int i;
7020
7021 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7022 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7023 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7024 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7025
7026 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7027 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7028 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7029 } else {
7030 tw32(HOSTCC_TXCOL_TICKS, 0);
7031 tw32(HOSTCC_TXMAX_FRAMES, 0);
7032 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7033
7034 tw32(HOSTCC_RXCOL_TICKS, 0);
7035 tw32(HOSTCC_RXMAX_FRAMES, 0);
7036 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
15f9850d 7037 }
b6080e12 7038
15f9850d
DM		 7039 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7040 u32 val = ec->stats_block_coalesce_usecs;
7041
b6080e12
MC		 7042 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7043 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7044
15f9850d
DM		 7045 if (!netif_carrier_ok(tp->dev))
7046 val = 0;
7047
7048 tw32(HOSTCC_STAT_COAL_TICKS, val);
7049 }
b6080e12
MC		 7050
7051 for (i = 0; i < tp->irq_cnt - 1; i++) {
7052 u32 reg;
7053
7054 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7055 tw32(reg, ec->rx_coalesce_usecs);
7056 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7057 tw32(reg, ec->tx_coalesce_usecs);
7058 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7059 tw32(reg, ec->rx_max_coalesced_frames);
7060 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7061 tw32(reg, ec->tx_max_coalesced_frames);
7062 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7063 tw32(reg, ec->rx_max_coalesced_frames_irq);
7064 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7065 tw32(reg, ec->tx_max_coalesced_frames_irq);
7066 }
7067
7068 for (; i < tp->irq_max - 1; i++) {
7069 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7070 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7071 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7072 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7073 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7074 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7075 }
15f9850d 7076}
1da177e4 7077
2d31ecaf
MC		 7078/* tp->lock is held. */
7079static void tg3_rings_reset(struct tg3 *tp)
7080{
7081 int i;
f77a6a8e 7082 u32 stblk, txrcb, rxrcb, limit;
2d31ecaf
MC		 7083 struct tg3_napi *tnapi = &tp->napi[0];
7084
7085 /* Disable all transmit rings but the first. */
7086 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7087 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7088 else
7089 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7090
7091 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7092 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7093 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7094 BDINFO_FLAGS_DISABLED);
7095
7096
7097 /* Disable all receive return rings but the first. */
f6eb9b1f
MC		 7098 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7099 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7100 else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
2d31ecaf
MC		 7101 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7102 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7103 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7104 else
7105 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7106
7107 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7108 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7109 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7110 BDINFO_FLAGS_DISABLED);
7111
7112 /* Disable interrupts */
7113 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7114
7115 /* Zero mailbox registers. */
f77a6a8e
MC		 7116 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7117 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7118 tp->napi[i].tx_prod = 0;
7119 tp->napi[i].tx_cons = 0;
7120 tw32_mailbox(tp->napi[i].prodmbox, 0);
7121 tw32_rx_mbox(tp->napi[i].consmbox, 0);
7122 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7123 }
7124 } else {
7125 tp->napi[0].tx_prod = 0;
7126 tp->napi[0].tx_cons = 0;
7127 tw32_mailbox(tp->napi[0].prodmbox, 0);
7128 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7129 }
2d31ecaf
MC		 7130
7131 /* Make sure the NIC-based send BD rings are disabled. */
7132 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7133 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7134 for (i = 0; i < 16; i++)
7135 tw32_tx_mbox(mbox + i * 8, 0);
7136 }
7137
7138 txrcb = NIC_SRAM_SEND_RCB;
7139 rxrcb = NIC_SRAM_RCV_RET_RCB;
7140
7141 /* Clear status block in ram. */
7142 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7143
7144 /* Set status block DMA address */
7145 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7146 ((u64) tnapi->status_mapping >> 32));
7147 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7148 ((u64) tnapi->status_mapping & 0xffffffff));
7149
f77a6a8e
MC		 7150 if (tnapi->tx_ring) {
7151 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7152 (TG3_TX_RING_SIZE <<
7153 BDINFO_FLAGS_MAXLEN_SHIFT),
7154 NIC_SRAM_TX_BUFFER_DESC);
7155 txrcb += TG3_BDINFO_SIZE;
7156 }
7157
7158 if (tnapi->rx_rcb) {
7159 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7160 (TG3_RX_RCB_RING_SIZE(tp) <<
7161 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7162 rxrcb += TG3_BDINFO_SIZE;
7163 }
7164
7165 stblk = HOSTCC_STATBLCK_RING1;
2d31ecaf 7166
f77a6a8e
MC		 7167 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7168 u64 mapping = (u64)tnapi->status_mapping;
7169 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7170 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7171
7172 /* Clear status block in ram. */
7173 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7174
7175 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7176 (TG3_TX_RING_SIZE <<
7177 BDINFO_FLAGS_MAXLEN_SHIFT),
7178 NIC_SRAM_TX_BUFFER_DESC);
7179
7180 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7181 (TG3_RX_RCB_RING_SIZE(tp) <<
7182 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7183
7184 stblk += 8;
7185 txrcb += TG3_BDINFO_SIZE;
7186 rxrcb += TG3_BDINFO_SIZE;
7187 }
2d31ecaf
MC		 7188}
7189
1da177e4 7190/* tp->lock is held. */
8e7a22e3 7191static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 7192{
7193 u32 val, rdmac_mode;
7194 int i, err, limit;
21f581a5 7195 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
1da177e4
LT		 7196
7197 tg3_disable_ints(tp);
7198
7199 tg3_stop_fw(tp);
7200
7201 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7202
7203 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 7204 tg3_abort_hw(tp, 1);
1da177e4
LT		 7205 }
7206
dd477003
MC		 7207 if (reset_phy &&
7208 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
d4d2c558
MC		 7209 tg3_phy_reset(tp);
7210
1da177e4
LT		 7211 err = tg3_chip_reset(tp);
7212 if (err)
7213 return err;
7214
7215 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7216
bcb37f6c 7217 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
d30cdd28
MC		 7218 val = tr32(TG3_CPMU_CTRL);
7219 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7220 tw32(TG3_CPMU_CTRL, val);
9acb961e
MC		 7221
7222 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7223 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7224 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7225 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7226
7227 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7228 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7229 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7230 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7231
7232 val = tr32(TG3_CPMU_HST_ACC);
7233 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7234 val |= CPMU_HST_ACC_MACCLK_6_25;
7235 tw32(TG3_CPMU_HST_ACC, val);
d30cdd28
MC		 7236 }
7237
33466d93
MC		 7238 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7239 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7240 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7241 PCIE_PWR_MGMT_L1_THRESH_4MS;
7242 tw32(PCIE_PWR_MGMT_THRESH, val);
521e6b90
MC		 7243
7244 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7245 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7246
7247 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
33466d93 7248
f40386c8
MC		 7249 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7250 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
255ca311
MC		 7251 }
7252
1da177e4
LT		 7253 /* This works around an issue with Athlon chipsets on
7254 * B3 tigon3 silicon. This bit has no effect on any
7255 * other revision. But do not set this on PCI Express
795d01c5 7256 * chips and don't even touch the clocks if the CPMU is present.
1da177e4 7257 */
795d01c5
MC		 7258 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7259 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7260 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7261 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7262 }
1da177e4
LT		 7263
7264 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7265 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7266 val = tr32(TG3PCI_PCISTATE);
7267 val |= PCISTATE_RETRY_SAME_DMA;
7268 tw32(TG3PCI_PCISTATE, val);
7269 }
7270
0d3031d9
MC		 7271 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7272 /* Allow reads and writes to the
7273 * APE register and memory space.
7274 */
7275 val = tr32(TG3PCI_PCISTATE);
7276 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7277 PCISTATE_ALLOW_APE_SHMEM_WR;
7278 tw32(TG3PCI_PCISTATE, val);
7279 }
7280
1da177e4
LT		 7281 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7282 /* Enable some hw fixes. */
7283 val = tr32(TG3PCI_MSI_DATA);
7284 val |= (1 << 26) | (1 << 28) | (1 << 29);
7285 tw32(TG3PCI_MSI_DATA, val);
7286 }
7287
7288 /* Descriptor ring init may make accesses to the
7289 * NIC SRAM area to setup the TX descriptors, so we
7290 * can only do this after the hardware has been
7291 * successfully reset.
7292 */
32d8c572
MC		 7293 err = tg3_init_rings(tp);
7294 if (err)
7295 return err;
1da177e4 7296
cbf9ca6c
MC		 7297 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7298 val = tr32(TG3PCI_DMA_RW_CTRL) &
7299 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7300 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7301 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7302 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
d30cdd28
MC		 7303 /* This value is determined during the probe time DMA
7304 * engine test, tg3_test_dma.
7305 */
7306 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7307 }
1da177e4
LT		 7308
7309 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7310 GRC_MODE_4X_NIC_SEND_RINGS |
7311 GRC_MODE_NO_TX_PHDR_CSUM |
7312 GRC_MODE_NO_RX_PHDR_CSUM);
7313 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 7314
7315 /* Pseudo-header checksum is done by hardware logic and not
7316 * the offload processers, so make the chip do the pseudo-
7317 * header checksums on receive. For transmit it is more
7318 * convenient to do the pseudo-header checksum in software
7319 * as Linux does that on transmit for us in all cases.
7320 */
7321 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 7322
7323 tw32(GRC_MODE,
7324 tp->grc_mode |
7325 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7326
7327 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7328 val = tr32(GRC_MISC_CFG);
7329 val &= ~0xff;
7330 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7331 tw32(GRC_MISC_CFG, val);
7332
7333 /* Initialize MBUF/DESC pool. */
cbf46853 7334 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 7335 /* Do nothing. */
7336 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7337 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7338 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7339 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7340 else
7341 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7342 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7343 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7344 }
1da177e4
LT		 7345 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7346 int fw_len;
7347
077f849d 7348 fw_len = tp->fw_len;
1da177e4
LT		 7349 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7350 tw32(BUFMGR_MB_POOL_ADDR,
7351 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7352 tw32(BUFMGR_MB_POOL_SIZE,
7353 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7354 }
1da177e4 7355
0f893dc6 7356 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 7357 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7358 tp->bufmgr_config.mbuf_read_dma_low_water);
7359 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7360 tp->bufmgr_config.mbuf_mac_rx_low_water);
7361 tw32(BUFMGR_MB_HIGH_WATER,
7362 tp->bufmgr_config.mbuf_high_water);
7363 } else {
7364 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7365 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7366 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7367 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7368 tw32(BUFMGR_MB_HIGH_WATER,
7369 tp->bufmgr_config.mbuf_high_water_jumbo);
7370 }
7371 tw32(BUFMGR_DMA_LOW_WATER,
7372 tp->bufmgr_config.dma_low_water);
7373 tw32(BUFMGR_DMA_HIGH_WATER,
7374 tp->bufmgr_config.dma_high_water);
7375
7376 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7377 for (i = 0; i < 2000; i++) {
7378 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7379 break;
7380 udelay(10);
7381 }
7382 if (i >= 2000) {
7383 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7384 tp->dev->name);
7385 return -ENODEV;
7386 }
7387
7388 /* Setup replenish threshold. */
f92905de
MC		 7389 val = tp->rx_pending / 8;
7390 if (val == 0)
7391 val = 1;
7392 else if (val > tp->rx_std_max_post)
7393 val = tp->rx_std_max_post;
b5d3772c
MC		 7394 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7395 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7396 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7397
7398 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7399 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7400 }
f92905de
MC		 7401
7402 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 7403
7404 /* Initialize TG3_BDINFO's at:
7405 * RCVDBDI_STD_BD: standard eth size rx ring
7406 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
7407 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
7408 *
7409 * like so:
7410 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
7411 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
7412 * ring attribute flags
7413 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
7414 *
7415 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7416 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7417 *
7418 * The size of each ring is fixed in the firmware, but the location is
7419 * configurable.
7420 */
7421 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 7422 ((u64) tpr->rx_std_mapping >> 32));
1da177e4 7423 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 7424 ((u64) tpr->rx_std_mapping & 0xffffffff));
87668d35
MC		 7425 if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
7426 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7427 NIC_SRAM_RX_BUFFER_DESC);
1da177e4 7428
fdb72b38
MC		 7429 /* Disable the mini ring */
7430 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
1da177e4
LT		 7431 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7432 BDINFO_FLAGS_DISABLED);
7433
fdb72b38
MC		 7434 /* Program the jumbo buffer descriptor ring control
7435 * blocks on those devices that have them.
7436 */
8f666b07 7437 if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
fdb72b38 7438 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 7439 /* Setup replenish threshold. */
7440 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7441
0f893dc6 7442 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4 7443 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 7444 ((u64) tpr->rx_jmb_mapping >> 32));
1da177e4 7445 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 7446 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
1da177e4 7447 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
79ed5ac7
MC		 7448 (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7449 BDINFO_FLAGS_USE_EXT_RECV);
87668d35
MC		 7450 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7451 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7452 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
1da177e4
LT		 7453 } else {
7454 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7455 BDINFO_FLAGS_DISABLED);
7456 }
7457
f6eb9b1f
MC		 7458 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7459 val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7460 (RX_STD_MAX_SIZE << 2);
7461 else
7462 val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
fdb72b38
MC		 7463 } else
7464 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7465
7466 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
1da177e4 7467
21f581a5 7468 tpr->rx_std_ptr = tp->rx_pending;
1da177e4 7469 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
21f581a5 7470 tpr->rx_std_ptr);
1da177e4 7471
21f581a5
MC		 7472 tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7473 tp->rx_jumbo_pending : 0;
1da177e4 7474 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
21f581a5 7475 tpr->rx_jmb_ptr);
1da177e4 7476
f6eb9b1f
MC		 7477 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7478 tw32(STD_REPLENISH_LWM, 32);
7479 tw32(JMB_REPLENISH_LWM, 16);
7480 }
7481
2d31ecaf
MC		 7482 tg3_rings_reset(tp);
7483
1da177e4 7484 /* Initialize MAC address and backoff seed. */
986e0aeb 7485 __tg3_set_mac_addr(tp, 0);
1da177e4
LT		 7486
7487 /* MTU + ethernet header + FCS + optional VLAN tag */
f7b493e0
MC		 7488 tw32(MAC_RX_MTU_SIZE,
7489 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
1da177e4
LT		 7490
7491 /* The slot time is changed by tg3_setup_phy if we
7492 * run at gigabit with half duplex.
7493 */
7494 tw32(MAC_TX_LENGTHS,
7495 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7496 (6 << TX_LENGTHS_IPG_SHIFT) |
7497 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7498
7499 /* Receive rules. */
7500 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7501 tw32(RCVLPC_CONFIG, 0x0181);
7502
7503 /* Calculate RDMAC_MODE setting early, we need it to determine
7504 * the RCVLPC_STATE_ENABLE mask.
7505 */
7506 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7507 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7508 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7509 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7510 RDMAC_MODE_LNGREAD_ENAB);
85e94ced 7511
57e6983c 7512 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
321d32a0
MC		 7513 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7514 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
d30cdd28
MC		 7515 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7516 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7517 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7518
85e94ced
MC		 7519 /* If statement applies to 5705 and 5750 PCI devices only */
7520 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7521 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7522 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4 7523 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
c13e3713 7524 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1da177e4
LT		 7525 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7526 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7527 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7528 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7529 }
7530 }
7531
85e94ced
MC		 7532 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7533 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7534
1da177e4 7535 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
027455ad
MC		 7536 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7537
e849cdc3
MC		 7538 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7539 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
027455ad
MC		 7540 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7541 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
1da177e4
LT		 7542
7543 /* Receive/send statistics. */
1661394e
MC		 7544 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7545 val = tr32(RCVLPC_STATS_ENABLE);
7546 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7547 tw32(RCVLPC_STATS_ENABLE, val);
7548 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7549 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 7550 val = tr32(RCVLPC_STATS_ENABLE);
7551 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7552 tw32(RCVLPC_STATS_ENABLE, val);
7553 } else {
7554 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7555 }
7556 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7557 tw32(SNDDATAI_STATSENAB, 0xffffff);
7558 tw32(SNDDATAI_STATSCTRL,
7559 (SNDDATAI_SCTRL_ENABLE |
7560 SNDDATAI_SCTRL_FASTUPD));
7561
7562 /* Setup host coalescing engine. */
7563 tw32(HOSTCC_MODE, 0);
7564 for (i = 0; i < 2000; i++) {
7565 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7566 break;
7567 udelay(10);
7568 }
7569
d244c892 7570 __tg3_set_coalesce(tp, &tp->coal);
1da177e4 7571
1da177e4
LT		 7572 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7573 /* Status/statistics block address. See tg3_timer,
7574 * the tg3_periodic_fetch_stats call there, and
7575 * tg3_get_stats to see how this works for 5705/5750 chips.
7576 */
1da177e4
LT		 7577 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7578 ((u64) tp->stats_mapping >> 32));
7579 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7580 ((u64) tp->stats_mapping & 0xffffffff));
7581 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
2d31ecaf 7582
1da177e4 7583 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
2d31ecaf
MC		 7584
7585 /* Clear statistics and status block memory areas */
7586 for (i = NIC_SRAM_STATS_BLK;
7587 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7588 i += sizeof(u32)) {
7589 tg3_write_mem(tp, i, 0);
7590 udelay(40);
7591 }
1da177e4
LT		 7592 }
7593
7594 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7595
7596 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7597 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7598 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7599 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7600
c94e3941
MC		 7601 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7602 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7603 /* reset to prevent losing 1st rx packet intermittently */
7604 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7605 udelay(10);
7606 }
7607
3bda1258
MC		 7608 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7609 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7610 else
7611 tp->mac_mode = 0;
7612 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
1da177e4 7613 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
e8f3f6ca
MC		 7614 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7615 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7616 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7617 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1da177e4
LT		 7618 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7619 udelay(40);
7620
314fba34 7621 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 7622 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 7623 * register to preserve the GPIO settings for LOMs. The GPIOs,
7624 * whether used as inputs or outputs, are set by boot code after
7625 * reset.
7626 */
9d26e213 7627 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 7628 u32 gpio_mask;
7629
9d26e213
MC		 7630 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7631 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7632 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 7633
7634 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7635 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7636 GRC_LCLCTRL_GPIO_OUTPUT3;
7637
af36e6b6
MC		 7638 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7639 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7640
aaf84465 7641 tp->grc_local_ctrl &= ~gpio_mask;
314fba34
MC		 7642 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7643
7644 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 7645 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7646 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7647 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 7648 }
1da177e4
LT		 7649 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7650 udelay(100);
7651
baf8a94a
MC		 7652 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
7653 val = tr32(MSGINT_MODE);
7654 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
7655 tw32(MSGINT_MODE, val);
7656 }
7657
1da177e4
LT		 7658 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7659 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7660 udelay(40);
7661 }
7662
7663 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7664 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7665 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7666 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7667 WDMAC_MODE_LNGREAD_ENAB);
7668
85e94ced
MC		 7669 /* If statement applies to 5705 and 5750 PCI devices only */
7670 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7671 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7672 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
29ea095f 7673 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
1da177e4
LT		 7674 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7675 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7676 /* nothing */
7677 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7678 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7679 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7680 val |= WDMAC_MODE_RX_ACCEL;
7681 }
7682 }
7683
d9ab5ad1 7684 /* Enable host coalescing bug fix */
321d32a0 7685 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
f51f3562 7686 val |= WDMAC_MODE_STATUS_TAG_FIX;
d9ab5ad1 7687
788a035e
MC		 7688 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
7689 val |= WDMAC_MODE_BURST_ALL_DATA;
7690
1da177e4
LT		 7691 tw32_f(WDMAC_MODE, val);
7692 udelay(40);
7693
9974a356
MC		 7694 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7695 u16 pcix_cmd;
7696
7697 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7698 &pcix_cmd);
1da177e4 7699 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
9974a356
MC		 7700 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7701 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 7702 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
9974a356
MC		 7703 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7704 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 7705 }
9974a356
MC		 7706 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7707 pcix_cmd);
1da177e4
LT		 7708 }
7709
7710 tw32_f(RDMAC_MODE, rdmac_mode);
7711 udelay(40);
7712
7713 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7714 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7715 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
9936bcf6
MC		 7716
7717 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7718 tw32(SNDDATAC_MODE,
7719 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7720 else
7721 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7722
1da177e4
LT		 7723 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7724 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7725 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7726 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 7727 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7728 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
baf8a94a
MC		 7729 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
7730 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
7731 val |= SNDBDI_MODE_MULTI_TXQ_EN;
7732 tw32(SNDBDI_MODE, val);
1da177e4
LT		 7733 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7734
7735 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7736 err = tg3_load_5701_a0_firmware_fix(tp);
7737 if (err)
7738 return err;
7739 }
7740
1da177e4
LT		 7741 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7742 err = tg3_load_tso_firmware(tp);
7743 if (err)
7744 return err;
7745 }
1da177e4
LT		 7746
7747 tp->tx_mode = TX_MODE_ENABLE;
7748 tw32_f(MAC_TX_MODE, tp->tx_mode);
7749 udelay(100);
7750
baf8a94a
MC		 7751 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
7752 u32 reg = MAC_RSS_INDIR_TBL_0;
7753 u8 *ent = (u8 *)&val;
7754
7755 /* Setup the indirection table */
7756 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
7757 int idx = i % sizeof(val);
7758
7759 ent[idx] = i % (tp->irq_cnt - 1);
7760 if (idx == sizeof(val) - 1) {
7761 tw32(reg, val);
7762 reg += 4;
7763 }
7764 }
7765
7766 /* Setup the "secret" hash key. */
7767 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
7768 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
7769 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
7770 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
7771 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
7772 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
7773 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
7774 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
7775 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
7776 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
7777 }
7778
1da177e4 7779 tp->rx_mode = RX_MODE_ENABLE;
321d32a0 7780 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
af36e6b6
MC		 7781 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7782
baf8a94a
MC		 7783 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
7784 tp->rx_mode |= RX_MODE_RSS_ENABLE |
7785 RX_MODE_RSS_ITBL_HASH_BITS_7 |
7786 RX_MODE_RSS_IPV6_HASH_EN |
7787 RX_MODE_RSS_TCP_IPV6_HASH_EN |
7788 RX_MODE_RSS_IPV4_HASH_EN |
7789 RX_MODE_RSS_TCP_IPV4_HASH_EN;
7790
1da177e4
LT		 7791 tw32_f(MAC_RX_MODE, tp->rx_mode);
7792 udelay(10);
7793
1da177e4
LT		 7794 tw32(MAC_LED_CTRL, tp->led_ctrl);
7795
7796 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 7797 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 7798 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7799 udelay(10);
7800 }
7801 tw32_f(MAC_RX_MODE, tp->rx_mode);
7802 udelay(10);
7803
7804 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7805 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7806 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7807 /* Set drive transmission level to 1.2V */
7808 /* only if the signal pre-emphasis bit is not set */
7809 val = tr32(MAC_SERDES_CFG);
7810 val &= 0xfffff000;
7811 val |= 0x880;
7812 tw32(MAC_SERDES_CFG, val);
7813 }
7814 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7815 tw32(MAC_SERDES_CFG, 0x616000);
7816 }
7817
7818 /* Prevent chip from dropping frames when flow control
7819 * is enabled.
7820 */
7821 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7822
7823 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7824 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7825 /* Use hardware link auto-negotiation */
7826 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7827 }
7828
d4d2c558
MC		 7829 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7830 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7831 u32 tmp;
7832
7833 tmp = tr32(SERDES_RX_CTRL);
7834 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7835 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7836 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7837 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7838 }
7839
dd477003
MC		 7840 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7841 if (tp->link_config.phy_is_low_power) {
7842 tp->link_config.phy_is_low_power = 0;
7843 tp->link_config.speed = tp->link_config.orig_speed;
7844 tp->link_config.duplex = tp->link_config.orig_duplex;
7845 tp->link_config.autoneg = tp->link_config.orig_autoneg;
7846 }
1da177e4 7847
dd477003
MC		 7848 err = tg3_setup_phy(tp, 0);
7849 if (err)
7850 return err;
1da177e4 7851
dd477003 7852 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7f97a4bd 7853 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
dd477003
MC		 7854 u32 tmp;
7855
7856 /* Clear CRC stats. */
7857 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7858 tg3_writephy(tp, MII_TG3_TEST1,
7859 tmp | MII_TG3_TEST1_CRC_EN);
7860 tg3_readphy(tp, 0x14, &tmp);
7861 }
1da177e4
LT		 7862 }
7863 }
7864
7865 __tg3_set_rx_mode(tp->dev);
7866
7867 /* Initialize receive rules. */
7868 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
7869 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7870 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
7871 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7872
4cf78e4f 7873 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 7874 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 7875 limit = 8;
7876 else
7877 limit = 16;
7878 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7879 limit -= 4;
7880 switch (limit) {
7881 case 16:
7882 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
7883 case 15:
7884 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
7885 case 14:
7886 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
7887 case 13:
7888 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
7889 case 12:
7890 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
7891 case 11:
7892 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
7893 case 10:
7894 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
7895 case 9:
7896 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
7897 case 8:
7898 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
7899 case 7:
7900 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
7901 case 6:
7902 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
7903 case 5:
7904 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
7905 case 4:
7906 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
7907 case 3:
7908 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
7909 case 2:
7910 case 1:
7911
7912 default:
7913 break;
855e1111 7914 }
1da177e4 7915
9ce768ea
MC		 7916 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7917 /* Write our heartbeat update interval to APE. */
7918 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7919 APE_HOST_HEARTBEAT_INT_DISABLE);
0d3031d9 7920
1da177e4
LT		 7921 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7922
1da177e4
LT		 7923 return 0;
7924}
7925
7926/* Called at device open time to get the chip ready for
7927 * packet processing. Invoked with tp->lock held.
7928 */
8e7a22e3 7929static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4 7930{
1da177e4
LT		 7931 tg3_switch_clocks(tp);
7932
7933 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7934
2f751b67 7935 return tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 7936}
7937
7938#define TG3_STAT_ADD32(PSTAT, REG) \
7939do { u32 __val = tr32(REG); \
7940 (PSTAT)->low += __val; \
7941 if ((PSTAT)->low < __val) \
7942 (PSTAT)->high += 1; \
7943} while (0)
7944
7945static void tg3_periodic_fetch_stats(struct tg3 *tp)
7946{
7947 struct tg3_hw_stats *sp = tp->hw_stats;
7948
7949 if (!netif_carrier_ok(tp->dev))
7950 return;
7951
7952 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7953 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7954 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7955 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7956 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7957 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7958 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7959 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7960 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7961 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7962 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7963 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7964 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7965
7966 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7967 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7968 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7969 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7970 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7971 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7972 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7973 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7974 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7975 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7976 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7977 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7978 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7979 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 7980
7981 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7982 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7983 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 7984}
7985
7986static void tg3_timer(unsigned long __opaque)
7987{
7988 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 7989
f475f163
MC		 7990 if (tp->irq_sync)
7991 goto restart_timer;
7992
f47c11ee 7993 spin_lock(&tp->lock);
1da177e4 7994
fac9b83e
DM		 7995 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7996 /* All of this garbage is because when using non-tagged
7997 * IRQ status the mailbox/status_block protocol the chip
7998 * uses with the cpu is race prone.
7999 */
898a56f8 8000 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
fac9b83e
DM		 8001 tw32(GRC_LOCAL_CTRL,
8002 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8003 } else {
8004 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 8005 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
fac9b83e 8006 }
1da177e4 8007
fac9b83e
DM		 8008 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8009 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 8010 spin_unlock(&tp->lock);
fac9b83e
DM		 8011 schedule_work(&tp->reset_task);
8012 return;
8013 }
1da177e4
LT		 8014 }
8015
1da177e4
LT		 8016 /* This part only runs once per second. */
8017 if (!--tp->timer_counter) {
fac9b83e
DM		 8018 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8019 tg3_periodic_fetch_stats(tp);
8020
1da177e4
LT		 8021 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8022 u32 mac_stat;
8023 int phy_event;
8024
8025 mac_stat = tr32(MAC_STATUS);
8026
8027 phy_event = 0;
8028 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8029 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8030 phy_event = 1;
8031 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8032 phy_event = 1;
8033
8034 if (phy_event)
8035 tg3_setup_phy(tp, 0);
8036 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8037 u32 mac_stat = tr32(MAC_STATUS);
8038 int need_setup = 0;
8039
8040 if (netif_carrier_ok(tp->dev) &&
8041 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8042 need_setup = 1;
8043 }
8044 if (! netif_carrier_ok(tp->dev) &&
8045 (mac_stat & (MAC_STATUS_PCS_SYNCED |
8046 MAC_STATUS_SIGNAL_DET))) {
8047 need_setup = 1;
8048 }
8049 if (need_setup) {
3d3ebe74
MC		 8050 if (!tp->serdes_counter) {
8051 tw32_f(MAC_MODE,
8052 (tp->mac_mode &
8053 ~MAC_MODE_PORT_MODE_MASK));
8054 udelay(40);
8055 tw32_f(MAC_MODE, tp->mac_mode);
8056 udelay(40);
8057 }
1da177e4
LT		 8058 tg3_setup_phy(tp, 0);
8059 }
747e8f8b
MC		 8060 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8061 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 8062
8063 tp->timer_counter = tp->timer_multiplier;
8064 }
8065
130b8e4d
MC		 8066 /* Heartbeat is only sent once every 2 seconds.
8067 *
8068 * The heartbeat is to tell the ASF firmware that the host
8069 * driver is still alive. In the event that the OS crashes,
8070 * ASF needs to reset the hardware to free up the FIFO space
8071 * that may be filled with rx packets destined for the host.
8072 * If the FIFO is full, ASF will no longer function properly.
8073 *
8074 * Unintended resets have been reported on real time kernels
8075 * where the timer doesn't run on time. Netpoll will also have
8076 * same problem.
8077 *
8078 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8079 * to check the ring condition when the heartbeat is expiring
8080 * before doing the reset. This will prevent most unintended
8081 * resets.
8082 */
1da177e4 8083 if (!--tp->asf_counter) {
bc7959b2
MC		 8084 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8085 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7c5026aa
MC		 8086 tg3_wait_for_event_ack(tp);
8087
bbadf503 8088 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 8089 FWCMD_NICDRV_ALIVE3);
bbadf503 8090 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 8091 /* 5 seconds timeout */
bbadf503 8092 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
4ba526ce
MC		 8093
8094 tg3_generate_fw_event(tp);
1da177e4
LT		 8095 }
8096 tp->asf_counter = tp->asf_multiplier;
8097 }
8098
f47c11ee 8099 spin_unlock(&tp->lock);
1da177e4 8100
f475f163 8101restart_timer:
1da177e4
LT		 8102 tp->timer.expires = jiffies + tp->timer_offset;
8103 add_timer(&tp->timer);
8104}
8105
4f125f42 8106static int tg3_request_irq(struct tg3 *tp, int irq_num)
fcfa0a32 8107{
7d12e780 8108 irq_handler_t fn;
fcfa0a32 8109 unsigned long flags;
4f125f42
MC		 8110 char *name;
8111 struct tg3_napi *tnapi = &tp->napi[irq_num];
8112
8113 if (tp->irq_cnt == 1)
8114 name = tp->dev->name;
8115 else {
8116 name = &tnapi->irq_lbl[0];
8117 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8118 name[IFNAMSIZ-1] = 0;
8119 }
fcfa0a32 8120
679563f4 8121 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
fcfa0a32
MC		 8122 fn = tg3_msi;
8123 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8124 fn = tg3_msi_1shot;
1fb9df5d 8125 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 8126 } else {
8127 fn = tg3_interrupt;
8128 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8129 fn = tg3_interrupt_tagged;
1fb9df5d 8130 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32 8131 }
4f125f42
MC		 8132
8133 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
fcfa0a32
MC		 8134}
8135
7938109f
MC		 8136static int tg3_test_interrupt(struct tg3 *tp)
8137{
09943a18 8138 struct tg3_napi *tnapi = &tp->napi[0];
7938109f 8139 struct net_device *dev = tp->dev;
b16250e3 8140 int err, i, intr_ok = 0;
f6eb9b1f 8141 u32 val;
7938109f 8142
d4bc3927
MC		 8143 if (!netif_running(dev))
8144 return -ENODEV;
8145
7938109f
MC		 8146 tg3_disable_ints(tp);
8147
4f125f42 8148 free_irq(tnapi->irq_vec, tnapi);
7938109f 8149
f6eb9b1f
MC		 8150 /*
8151 * Turn off MSI one shot mode. Otherwise this test has no
8152 * observable way to know whether the interrupt was delivered.
8153 */
8154 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8155 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8156 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8157 tw32(MSGINT_MODE, val);
8158 }
8159
4f125f42 8160 err = request_irq(tnapi->irq_vec, tg3_test_isr,
09943a18 8161 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
7938109f
MC		 8162 if (err)
8163 return err;
8164
898a56f8 8165 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 8166 tg3_enable_ints(tp);
8167
8168 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 8169 tnapi->coal_now);
7938109f
MC		 8170
8171 for (i = 0; i < 5; i++) {
b16250e3
MC		 8172 u32 int_mbox, misc_host_ctrl;
8173
898a56f8 8174 int_mbox = tr32_mailbox(tnapi->int_mbox);
b16250e3
MC		 8175 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8176
8177 if ((int_mbox != 0) ||
8178 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8179 intr_ok = 1;
7938109f 8180 break;
b16250e3
MC		 8181 }
8182
7938109f
MC		 8183 msleep(10);
8184 }
8185
8186 tg3_disable_ints(tp);
8187
4f125f42 8188 free_irq(tnapi->irq_vec, tnapi);
6aa20a22 8189
4f125f42 8190 err = tg3_request_irq(tp, 0);
7938109f
MC		 8191
8192 if (err)
8193 return err;
8194
f6eb9b1f
MC		 8195 if (intr_ok) {
8196 /* Reenable MSI one shot mode. */
8197 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8198 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8199 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8200 tw32(MSGINT_MODE, val);
8201 }
7938109f 8202 return 0;
f6eb9b1f 8203 }
7938109f
MC		 8204
8205 return -EIO;
8206}
8207
8208/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8209 * successfully restored
8210 */
8211static int tg3_test_msi(struct tg3 *tp)
8212{
7938109f
MC		 8213 int err;
8214 u16 pci_cmd;
8215
8216 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8217 return 0;
8218
8219 /* Turn off SERR reporting in case MSI terminates with Master
8220 * Abort.
8221 */
8222 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8223 pci_write_config_word(tp->pdev, PCI_COMMAND,
8224 pci_cmd & ~PCI_COMMAND_SERR);
8225
8226 err = tg3_test_interrupt(tp);
8227
8228 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8229
8230 if (!err)
8231 return 0;
8232
8233 /* other failures */
8234 if (err != -EIO)
8235 return err;
8236
8237 /* MSI test failed, go back to INTx mode */
8238 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
8239 "switching to INTx mode. Please report this failure to "
8240 "the PCI maintainer and include system chipset information.\n",
8241 tp->dev->name);
8242
4f125f42 8243 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
09943a18 8244
7938109f
MC		 8245 pci_disable_msi(tp->pdev);
8246
8247 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8248
4f125f42 8249 err = tg3_request_irq(tp, 0);
7938109f
MC		 8250 if (err)
8251 return err;
8252
8253 /* Need to reset the chip because the MSI cycle may have terminated
8254 * with Master Abort.
8255 */
f47c11ee 8256 tg3_full_lock(tp, 1);
7938109f 8257
944d980e 8258 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 8259 err = tg3_init_hw(tp, 1);
7938109f 8260
f47c11ee 8261 tg3_full_unlock(tp);
7938109f
MC		 8262
8263 if (err)
4f125f42 8264 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
7938109f
MC		 8265
8266 return err;
8267}
8268
9e9fd12d
MC		 8269static int tg3_request_firmware(struct tg3 *tp)
8270{
8271 const __be32 *fw_data;
8272
8273 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8274 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
8275 tp->dev->name, tp->fw_needed);
8276 return -ENOENT;
8277 }
8278
8279 fw_data = (void *)tp->fw->data;
8280
8281 /* Firmware blob starts with version numbers, followed by
8282 * start address and _full_ length including BSS sections
8283 * (which must be longer than the actual data, of course
8284 */
8285
8286 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
8287 if (tp->fw_len < (tp->fw->size - 12)) {
8288 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
8289 tp->dev->name, tp->fw_len, tp->fw_needed);
8290 release_firmware(tp->fw);
8291 tp->fw = NULL;
8292 return -EINVAL;
8293 }
8294
8295 /* We no longer need firmware; we have it. */
8296 tp->fw_needed = NULL;
8297 return 0;
8298}
8299
679563f4
MC		 8300static bool tg3_enable_msix(struct tg3 *tp)
8301{
8302 int i, rc, cpus = num_online_cpus();
8303 struct msix_entry msix_ent[tp->irq_max];
8304
8305 if (cpus == 1)
8306 /* Just fallback to the simpler MSI mode. */
8307 return false;
8308
8309 /*
8310 * We want as many rx rings enabled as there are cpus.
8311 * The first MSIX vector only deals with link interrupts, etc,
8312 * so we add one to the number of vectors we are requesting.
8313 */
8314 tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8315
8316 for (i = 0; i < tp->irq_max; i++) {
8317 msix_ent[i].entry = i;
8318 msix_ent[i].vector = 0;
8319 }
8320
8321 rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8322 if (rc != 0) {
8323 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8324 return false;
8325 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8326 return false;
8327 printk(KERN_NOTICE
8328 "%s: Requested %d MSI-X vectors, received %d\n",
8329 tp->dev->name, tp->irq_cnt, rc);
8330 tp->irq_cnt = rc;
8331 }
8332
baf8a94a
MC		 8333 tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8334
679563f4
MC		 8335 for (i = 0; i < tp->irq_max; i++)
8336 tp->napi[i].irq_vec = msix_ent[i].vector;
8337
fe5f5787
MC		 8338 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8339
679563f4
MC		 8340 return true;
8341}
8342
07b0173c
MC		 8343static void tg3_ints_init(struct tg3 *tp)
8344{
679563f4
MC		 8345 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8346 !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
07b0173c
MC		 8347 /* All MSI supporting chips should support tagged
8348 * status. Assert that this is the case.
8349 */
679563f4
MC		 8350 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
8351 "Not using MSI.\n", tp->dev->name);
8352 goto defcfg;
07b0173c 8353 }
4f125f42 8354
679563f4
MC		 8355 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8356 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8357 else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8358 pci_enable_msi(tp->pdev) == 0)
8359 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8360
8361 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8362 u32 msi_mode = tr32(MSGINT_MODE);
baf8a94a
MC		 8363 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8364 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
679563f4
MC		 8365 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8366 }
8367defcfg:
8368 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8369 tp->irq_cnt = 1;
8370 tp->napi[0].irq_vec = tp->pdev->irq;
fe5f5787 8371 tp->dev->real_num_tx_queues = 1;
679563f4 8372 }
07b0173c
MC		 8373}
8374
8375static void tg3_ints_fini(struct tg3 *tp)
8376{
679563f4
MC		 8377 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8378 pci_disable_msix(tp->pdev);
8379 else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8380 pci_disable_msi(tp->pdev);
8381 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
baf8a94a 8382 tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
07b0173c
MC		 8383}
8384
1da177e4
LT		 8385static int tg3_open(struct net_device *dev)
8386{
8387 struct tg3 *tp = netdev_priv(dev);
4f125f42 8388 int i, err;
1da177e4 8389
9e9fd12d
MC		 8390 if (tp->fw_needed) {
8391 err = tg3_request_firmware(tp);
8392 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8393 if (err)
8394 return err;
8395 } else if (err) {
8396 printk(KERN_WARNING "%s: TSO capability disabled.\n",
8397 tp->dev->name);
8398 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8399 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8400 printk(KERN_NOTICE "%s: TSO capability restored.\n",
8401 tp->dev->name);
8402 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8403 }
8404 }
8405
c49a1561
MC		 8406 netif_carrier_off(tp->dev);
8407
bc1c7567 8408 err = tg3_set_power_state(tp, PCI_D0);
2f751b67 8409 if (err)
bc1c7567 8410 return err;
2f751b67
MC		 8411
8412 tg3_full_lock(tp, 0);
bc1c7567 8413
1da177e4
LT		 8414 tg3_disable_ints(tp);
8415 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8416
f47c11ee 8417 tg3_full_unlock(tp);
1da177e4 8418
679563f4
MC		 8419 /*
8420 * Setup interrupts first so we know how
8421 * many NAPI resources to allocate
8422 */
8423 tg3_ints_init(tp);
8424
1da177e4
LT		 8425 /* The placement of this call is tied
8426 * to the setup and use of Host TX descriptors.
8427 */
8428 err = tg3_alloc_consistent(tp);
8429 if (err)
679563f4 8430 goto err_out1;
88b06bc2 8431
fed97810 8432 tg3_napi_enable(tp);
1da177e4 8433
4f125f42
MC		 8434 for (i = 0; i < tp->irq_cnt; i++) {
8435 struct tg3_napi *tnapi = &tp->napi[i];
8436 err = tg3_request_irq(tp, i);
8437 if (err) {
8438 for (i--; i >= 0; i--)
8439 free_irq(tnapi->irq_vec, tnapi);
8440 break;
8441 }
8442 }
1da177e4 8443
07b0173c 8444 if (err)
679563f4 8445 goto err_out2;
bea3348e 8446
f47c11ee 8447 tg3_full_lock(tp, 0);
1da177e4 8448
8e7a22e3 8449 err = tg3_init_hw(tp, 1);
1da177e4 8450 if (err) {
944d980e 8451 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 8452 tg3_free_rings(tp);
8453 } else {
fac9b83e
DM		 8454 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8455 tp->timer_offset = HZ;
8456 else
8457 tp->timer_offset = HZ / 10;
8458
8459 BUG_ON(tp->timer_offset > HZ);
8460 tp->timer_counter = tp->timer_multiplier =
8461 (HZ / tp->timer_offset);
8462 tp->asf_counter = tp->asf_multiplier =
28fbef78 8463 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 8464
8465 init_timer(&tp->timer);
8466 tp->timer.expires = jiffies + tp->timer_offset;
8467 tp->timer.data = (unsigned long) tp;
8468 tp->timer.function = tg3_timer;
1da177e4
LT		 8469 }
8470
f47c11ee 8471 tg3_full_unlock(tp);
1da177e4 8472
07b0173c 8473 if (err)
679563f4 8474 goto err_out3;
1da177e4 8475
7938109f
MC		 8476 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8477 err = tg3_test_msi(tp);
fac9b83e 8478
7938109f 8479 if (err) {
f47c11ee 8480 tg3_full_lock(tp, 0);
944d980e 8481 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f 8482 tg3_free_rings(tp);
f47c11ee 8483 tg3_full_unlock(tp);
7938109f 8484
679563f4 8485 goto err_out2;
7938109f 8486 }
fcfa0a32 8487
f6eb9b1f
MC		 8488 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8489 (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8490 (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8491 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 8492
f6eb9b1f
MC		 8493 tw32(PCIE_TRANSACTION_CFG,
8494 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32 8495 }
7938109f
MC		 8496 }
8497
b02fd9e3
MC		 8498 tg3_phy_start(tp);
8499
f47c11ee 8500 tg3_full_lock(tp, 0);
1da177e4 8501
7938109f
MC		 8502 add_timer(&tp->timer);
8503 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 8504 tg3_enable_ints(tp);
8505
f47c11ee 8506 tg3_full_unlock(tp);
1da177e4 8507
fe5f5787 8508 netif_tx_start_all_queues(dev);
1da177e4
LT		 8509
8510 return 0;
07b0173c 8511
679563f4 8512err_out3:
4f125f42
MC		 8513 for (i = tp->irq_cnt - 1; i >= 0; i--) {
8514 struct tg3_napi *tnapi = &tp->napi[i];
8515 free_irq(tnapi->irq_vec, tnapi);
8516 }
07b0173c 8517
679563f4 8518err_out2:
fed97810 8519 tg3_napi_disable(tp);
07b0173c 8520 tg3_free_consistent(tp);
679563f4
MC		 8521
8522err_out1:
8523 tg3_ints_fini(tp);
07b0173c 8524 return err;
1da177e4
LT		 8525}
8526
8527#if 0
8528/*static*/ void tg3_dump_state(struct tg3 *tp)
8529{
8530 u32 val32, val32_2, val32_3, val32_4, val32_5;
8531 u16 val16;
8532 int i;
898a56f8 8533 struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
1da177e4
LT		 8534
8535 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8536 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8537 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8538 val16, val32);
8539
8540 /* MAC block */
8541 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8542 tr32(MAC_MODE), tr32(MAC_STATUS));
8543 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8544 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8545 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8546 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8547 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8548 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8549
8550 /* Send data initiator control block */
8551 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8552 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8553 printk(" SNDDATAI_STATSCTRL[%08x]\n",
8554 tr32(SNDDATAI_STATSCTRL));
8555
8556 /* Send data completion control block */
8557 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8558
8559 /* Send BD ring selector block */
8560 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8561 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8562
8563 /* Send BD initiator control block */
8564 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8565 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8566
8567 /* Send BD completion control block */
8568 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8569
8570 /* Receive list placement control block */
8571 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8572 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8573 printk(" RCVLPC_STATSCTRL[%08x]\n",
8574 tr32(RCVLPC_STATSCTRL));
8575
8576 /* Receive data and receive BD initiator control block */
8577 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8578 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8579
8580 /* Receive data completion control block */
8581 printk("DEBUG: RCVDCC_MODE[%08x]\n",
8582 tr32(RCVDCC_MODE));
8583
8584 /* Receive BD initiator control block */
8585 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
8586 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
8587
8588 /* Receive BD completion control block */
8589 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
8590 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
8591
8592 /* Receive list selector control block */
8593 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
8594 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
8595
8596 /* Mbuf cluster free block */
8597 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
8598 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
8599
8600 /* Host coalescing control block */
8601 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
8602 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
8603 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
8604 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8605 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8606 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
8607 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8608 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8609 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
8610 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
8611 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
8612 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
8613
8614 /* Memory arbiter control block */
8615 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
8616 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
8617
8618 /* Buffer manager control block */
8619 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
8620 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
8621 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
8622 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
8623 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
8624 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
8625 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
8626 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
8627
8628 /* Read DMA control block */
8629 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
8630 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
8631
8632 /* Write DMA control block */
8633 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
8634 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
8635
8636 /* DMA completion block */
8637 printk("DEBUG: DMAC_MODE[%08x]\n",
8638 tr32(DMAC_MODE));
8639
8640 /* GRC block */
8641 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
8642 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
8643 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
8644 tr32(GRC_LOCAL_CTRL));
8645
8646 /* TG3_BDINFOs */
8647 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
8648 tr32(RCVDBDI_JUMBO_BD + 0x0),
8649 tr32(RCVDBDI_JUMBO_BD + 0x4),
8650 tr32(RCVDBDI_JUMBO_BD + 0x8),
8651 tr32(RCVDBDI_JUMBO_BD + 0xc));
8652 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
8653 tr32(RCVDBDI_STD_BD + 0x0),
8654 tr32(RCVDBDI_STD_BD + 0x4),
8655 tr32(RCVDBDI_STD_BD + 0x8),
8656 tr32(RCVDBDI_STD_BD + 0xc));
8657 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
8658 tr32(RCVDBDI_MINI_BD + 0x0),
8659 tr32(RCVDBDI_MINI_BD + 0x4),
8660 tr32(RCVDBDI_MINI_BD + 0x8),
8661 tr32(RCVDBDI_MINI_BD + 0xc));
8662
8663 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8664 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8665 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8666 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8667 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8668 val32, val32_2, val32_3, val32_4);
8669
8670 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8671 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8672 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8673 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8674 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8675 val32, val32_2, val32_3, val32_4);
8676
8677 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8678 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8679 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8680 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8681 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8682 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8683 val32, val32_2, val32_3, val32_4, val32_5);
8684
8685 /* SW status block */
898a56f8
MC		 8686 printk(KERN_DEBUG
8687 "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8688 sblk->status,
8689 sblk->status_tag,
8690 sblk->rx_jumbo_consumer,
8691 sblk->rx_consumer,
8692 sblk->rx_mini_consumer,
8693 sblk->idx[0].rx_producer,
8694 sblk->idx[0].tx_consumer);
1da177e4
LT		 8695
8696 /* SW statistics block */
8697 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8698 ((u32 *)tp->hw_stats)[0],
8699 ((u32 *)tp->hw_stats)[1],
8700 ((u32 *)tp->hw_stats)[2],
8701 ((u32 *)tp->hw_stats)[3]);
8702
8703 /* Mailboxes */
8704 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 8705 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8706 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8707 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8708 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 8709
8710 /* NIC side send descriptors. */
8711 for (i = 0; i < 6; i++) {
8712 unsigned long txd;
8713
8714 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8715 + (i * sizeof(struct tg3_tx_buffer_desc));
8716 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8717 i,
8718 readl(txd + 0x0), readl(txd + 0x4),
8719 readl(txd + 0x8), readl(txd + 0xc));
8720 }
8721
8722 /* NIC side RX descriptors. */
8723 for (i = 0; i < 6; i++) {
8724 unsigned long rxd;
8725
8726 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8727 + (i * sizeof(struct tg3_rx_buffer_desc));
8728 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8729 i,
8730 readl(rxd + 0x0), readl(rxd + 0x4),
8731 readl(rxd + 0x8), readl(rxd + 0xc));
8732 rxd += (4 * sizeof(u32));
8733 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8734 i,
8735 readl(rxd + 0x0), readl(rxd + 0x4),
8736 readl(rxd + 0x8), readl(rxd + 0xc));
8737 }
8738
8739 for (i = 0; i < 6; i++) {
8740 unsigned long rxd;
8741
8742 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8743 + (i * sizeof(struct tg3_rx_buffer_desc));
8744 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8745 i,
8746 readl(rxd + 0x0), readl(rxd + 0x4),
8747 readl(rxd + 0x8), readl(rxd + 0xc));
8748 rxd += (4 * sizeof(u32));
8749 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8750 i,
8751 readl(rxd + 0x0), readl(rxd + 0x4),
8752 readl(rxd + 0x8), readl(rxd + 0xc));
8753 }
8754}
8755#endif
8756
8757static struct net_device_stats *tg3_get_stats(struct net_device *);
8758static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8759
8760static int tg3_close(struct net_device *dev)
8761{
4f125f42 8762 int i;
1da177e4
LT		 8763 struct tg3 *tp = netdev_priv(dev);
8764
fed97810 8765 tg3_napi_disable(tp);
28e53bdd 8766 cancel_work_sync(&tp->reset_task);
7faa006f 8767
fe5f5787 8768 netif_tx_stop_all_queues(dev);
1da177e4
LT		 8769
8770 del_timer_sync(&tp->timer);
8771
24bb4fb6
MC		 8772 tg3_phy_stop(tp);
8773
f47c11ee 8774 tg3_full_lock(tp, 1);
1da177e4
LT		 8775#if 0
8776 tg3_dump_state(tp);
8777#endif
8778
8779 tg3_disable_ints(tp);
8780
944d980e 8781 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4 8782 tg3_free_rings(tp);
5cf64b8a 8783 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
1da177e4 8784
f47c11ee 8785 tg3_full_unlock(tp);
1da177e4 8786
4f125f42
MC		 8787 for (i = tp->irq_cnt - 1; i >= 0; i--) {
8788 struct tg3_napi *tnapi = &tp->napi[i];
8789 free_irq(tnapi->irq_vec, tnapi);
8790 }
07b0173c
MC		 8791
8792 tg3_ints_fini(tp);
1da177e4
LT		 8793
8794 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8795 sizeof(tp->net_stats_prev));
8796 memcpy(&tp->estats_prev, tg3_get_estats(tp),
8797 sizeof(tp->estats_prev));
8798
8799 tg3_free_consistent(tp);
8800
bc1c7567
MC		 8801 tg3_set_power_state(tp, PCI_D3hot);
8802
8803 netif_carrier_off(tp->dev);
8804
1da177e4
LT		 8805 return 0;
8806}
8807
8808static inline unsigned long get_stat64(tg3_stat64_t *val)
8809{
8810 unsigned long ret;
8811
8812#if (BITS_PER_LONG == 32)
8813 ret = val->low;
8814#else
8815 ret = ((u64)val->high << 32) | ((u64)val->low);
8816#endif
8817 return ret;
8818}
8819
816f8b86
SB		 8820static inline u64 get_estat64(tg3_stat64_t *val)
8821{
8822 return ((u64)val->high << 32) | ((u64)val->low);
8823}
8824
1da177e4
LT		 8825static unsigned long calc_crc_errors(struct tg3 *tp)
8826{
8827 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8828
8829 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8830 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8831 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 8832 u32 val;
8833
f47c11ee 8834 spin_lock_bh(&tp->lock);
569a5df8
MC		 8835 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8836 tg3_writephy(tp, MII_TG3_TEST1,
8837 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 8838 tg3_readphy(tp, 0x14, &val);
8839 } else
8840 val = 0;
f47c11ee 8841 spin_unlock_bh(&tp->lock);
1da177e4
LT		 8842
8843 tp->phy_crc_errors += val;
8844
8845 return tp->phy_crc_errors;
8846 }
8847
8848 return get_stat64(&hw_stats->rx_fcs_errors);
8849}
8850
8851#define ESTAT_ADD(member) \
8852 estats->member = old_estats->member + \
816f8b86 8853 get_estat64(&hw_stats->member)
1da177e4
LT		 8854
8855static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8856{
8857 struct tg3_ethtool_stats *estats = &tp->estats;
8858 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8859 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8860
8861 if (!hw_stats)
8862 return old_estats;
8863
8864 ESTAT_ADD(rx_octets);
8865 ESTAT_ADD(rx_fragments);
8866 ESTAT_ADD(rx_ucast_packets);
8867 ESTAT_ADD(rx_mcast_packets);
8868 ESTAT_ADD(rx_bcast_packets);
8869 ESTAT_ADD(rx_fcs_errors);
8870 ESTAT_ADD(rx_align_errors);
8871 ESTAT_ADD(rx_xon_pause_rcvd);
8872 ESTAT_ADD(rx_xoff_pause_rcvd);
8873 ESTAT_ADD(rx_mac_ctrl_rcvd);
8874 ESTAT_ADD(rx_xoff_entered);
8875 ESTAT_ADD(rx_frame_too_long_errors);
8876 ESTAT_ADD(rx_jabbers);
8877 ESTAT_ADD(rx_undersize_packets);
8878 ESTAT_ADD(rx_in_length_errors);
8879 ESTAT_ADD(rx_out_length_errors);
8880 ESTAT_ADD(rx_64_or_less_octet_packets);
8881 ESTAT_ADD(rx_65_to_127_octet_packets);
8882 ESTAT_ADD(rx_128_to_255_octet_packets);
8883 ESTAT_ADD(rx_256_to_511_octet_packets);
8884 ESTAT_ADD(rx_512_to_1023_octet_packets);
8885 ESTAT_ADD(rx_1024_to_1522_octet_packets);
8886 ESTAT_ADD(rx_1523_to_2047_octet_packets);
8887 ESTAT_ADD(rx_2048_to_4095_octet_packets);
8888 ESTAT_ADD(rx_4096_to_8191_octet_packets);
8889 ESTAT_ADD(rx_8192_to_9022_octet_packets);
8890
8891 ESTAT_ADD(tx_octets);
8892 ESTAT_ADD(tx_collisions);
8893 ESTAT_ADD(tx_xon_sent);
8894 ESTAT_ADD(tx_xoff_sent);
8895 ESTAT_ADD(tx_flow_control);
8896 ESTAT_ADD(tx_mac_errors);
8897 ESTAT_ADD(tx_single_collisions);
8898 ESTAT_ADD(tx_mult_collisions);
8899 ESTAT_ADD(tx_deferred);
8900 ESTAT_ADD(tx_excessive_collisions);
8901 ESTAT_ADD(tx_late_collisions);
8902 ESTAT_ADD(tx_collide_2times);
8903 ESTAT_ADD(tx_collide_3times);
8904 ESTAT_ADD(tx_collide_4times);
8905 ESTAT_ADD(tx_collide_5times);
8906 ESTAT_ADD(tx_collide_6times);
8907 ESTAT_ADD(tx_collide_7times);
8908 ESTAT_ADD(tx_collide_8times);
8909 ESTAT_ADD(tx_collide_9times);
8910 ESTAT_ADD(tx_collide_10times);
8911 ESTAT_ADD(tx_collide_11times);
8912 ESTAT_ADD(tx_collide_12times);
8913 ESTAT_ADD(tx_collide_13times);
8914 ESTAT_ADD(tx_collide_14times);
8915 ESTAT_ADD(tx_collide_15times);
8916 ESTAT_ADD(tx_ucast_packets);
8917 ESTAT_ADD(tx_mcast_packets);
8918 ESTAT_ADD(tx_bcast_packets);
8919 ESTAT_ADD(tx_carrier_sense_errors);
8920 ESTAT_ADD(tx_discards);
8921 ESTAT_ADD(tx_errors);
8922
8923 ESTAT_ADD(dma_writeq_full);
8924 ESTAT_ADD(dma_write_prioq_full);
8925 ESTAT_ADD(rxbds_empty);
8926 ESTAT_ADD(rx_discards);
8927 ESTAT_ADD(rx_errors);
8928 ESTAT_ADD(rx_threshold_hit);
8929
8930 ESTAT_ADD(dma_readq_full);
8931 ESTAT_ADD(dma_read_prioq_full);
8932 ESTAT_ADD(tx_comp_queue_full);
8933
8934 ESTAT_ADD(ring_set_send_prod_index);
8935 ESTAT_ADD(ring_status_update);
8936 ESTAT_ADD(nic_irqs);
8937 ESTAT_ADD(nic_avoided_irqs);
8938 ESTAT_ADD(nic_tx_threshold_hit);
8939
8940 return estats;
8941}
8942
8943static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8944{
8945 struct tg3 *tp = netdev_priv(dev);
8946 struct net_device_stats *stats = &tp->net_stats;
8947 struct net_device_stats *old_stats = &tp->net_stats_prev;
8948 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8949
8950 if (!hw_stats)
8951 return old_stats;
8952
8953 stats->rx_packets = old_stats->rx_packets +
8954 get_stat64(&hw_stats->rx_ucast_packets) +
8955 get_stat64(&hw_stats->rx_mcast_packets) +
8956 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 8957
1da177e4
LT		 8958 stats->tx_packets = old_stats->tx_packets +
8959 get_stat64(&hw_stats->tx_ucast_packets) +
8960 get_stat64(&hw_stats->tx_mcast_packets) +
8961 get_stat64(&hw_stats->tx_bcast_packets);
8962
8963 stats->rx_bytes = old_stats->rx_bytes +
8964 get_stat64(&hw_stats->rx_octets);
8965 stats->tx_bytes = old_stats->tx_bytes +
8966 get_stat64(&hw_stats->tx_octets);
8967
8968 stats->rx_errors = old_stats->rx_errors +
4f63b877 8969 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 8970 stats->tx_errors = old_stats->tx_errors +
8971 get_stat64(&hw_stats->tx_errors) +
8972 get_stat64(&hw_stats->tx_mac_errors) +
8973 get_stat64(&hw_stats->tx_carrier_sense_errors) +
8974 get_stat64(&hw_stats->tx_discards);
8975
8976 stats->multicast = old_stats->multicast +
8977 get_stat64(&hw_stats->rx_mcast_packets);
8978 stats->collisions = old_stats->collisions +
8979 get_stat64(&hw_stats->tx_collisions);
8980
8981 stats->rx_length_errors = old_stats->rx_length_errors +
8982 get_stat64(&hw_stats->rx_frame_too_long_errors) +
8983 get_stat64(&hw_stats->rx_undersize_packets);
8984
8985 stats->rx_over_errors = old_stats->rx_over_errors +
8986 get_stat64(&hw_stats->rxbds_empty);
8987 stats->rx_frame_errors = old_stats->rx_frame_errors +
8988 get_stat64(&hw_stats->rx_align_errors);
8989 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
8990 get_stat64(&hw_stats->tx_discards);
8991 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
8992 get_stat64(&hw_stats->tx_carrier_sense_errors);
8993
8994 stats->rx_crc_errors = old_stats->rx_crc_errors +
8995 calc_crc_errors(tp);
8996
4f63b877
JL		 8997 stats->rx_missed_errors = old_stats->rx_missed_errors +
8998 get_stat64(&hw_stats->rx_discards);
8999
1da177e4
LT		 9000 return stats;
9001}
9002
9003static inline u32 calc_crc(unsigned char *buf, int len)
9004{
9005 u32 reg;
9006 u32 tmp;
9007 int j, k;
9008
9009 reg = 0xffffffff;
9010
9011 for (j = 0; j < len; j++) {
9012 reg ^= buf[j];
9013
9014 for (k = 0; k < 8; k++) {
9015 tmp = reg & 0x01;
9016
9017 reg >>= 1;
9018
9019 if (tmp) {
9020 reg ^= 0xedb88320;
9021 }
9022 }
9023 }
9024
9025 return ~reg;
9026}
9027
9028static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9029{
9030 /* accept or reject all multicast frames */
9031 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9032 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9033 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9034 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9035}
9036
9037static void __tg3_set_rx_mode(struct net_device *dev)
9038{
9039 struct tg3 *tp = netdev_priv(dev);
9040 u32 rx_mode;
9041
9042 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9043 RX_MODE_KEEP_VLAN_TAG);
9044
9045 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9046 * flag clear.
9047 */
9048#if TG3_VLAN_TAG_USED
9049 if (!tp->vlgrp &&
9050 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9051 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9052#else
9053 /* By definition, VLAN is disabled always in this
9054 * case.
9055 */
9056 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9057 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9058#endif
9059
9060 if (dev->flags & IFF_PROMISC) {
9061 /* Promiscuous mode. */
9062 rx_mode |= RX_MODE_PROMISC;
9063 } else if (dev->flags & IFF_ALLMULTI) {
9064 /* Accept all multicast. */
9065 tg3_set_multi (tp, 1);
9066 } else if (dev->mc_count < 1) {
9067 /* Reject all multicast. */
9068 tg3_set_multi (tp, 0);
9069 } else {
9070 /* Accept one or more multicast(s). */
9071 struct dev_mc_list *mclist;
9072 unsigned int i;
9073 u32 mc_filter[4] = { 0, };
9074 u32 regidx;
9075 u32 bit;
9076 u32 crc;
9077
9078 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
9079 i++, mclist = mclist->next) {
9080
9081 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9082 bit = ~crc & 0x7f;
9083 regidx = (bit & 0x60) >> 5;
9084 bit &= 0x1f;
9085 mc_filter[regidx] |= (1 << bit);
9086 }
9087
9088 tw32(MAC_HASH_REG_0, mc_filter[0]);
9089 tw32(MAC_HASH_REG_1, mc_filter[1]);
9090 tw32(MAC_HASH_REG_2, mc_filter[2]);
9091 tw32(MAC_HASH_REG_3, mc_filter[3]);
9092 }
9093
9094 if (rx_mode != tp->rx_mode) {
9095 tp->rx_mode = rx_mode;
9096 tw32_f(MAC_RX_MODE, rx_mode);
9097 udelay(10);
9098 }
9099}
9100
9101static void tg3_set_rx_mode(struct net_device *dev)
9102{
9103 struct tg3 *tp = netdev_priv(dev);
9104
e75f7c90
MC		 9105 if (!netif_running(dev))
9106 return;
9107
f47c11ee 9108 tg3_full_lock(tp, 0);
1da177e4 9109 __tg3_set_rx_mode(dev);
f47c11ee 9110 tg3_full_unlock(tp);
1da177e4
LT		 9111}
9112
9113#define TG3_REGDUMP_LEN (32 * 1024)
9114
9115static int tg3_get_regs_len(struct net_device *dev)
9116{
9117 return TG3_REGDUMP_LEN;
9118}
9119
9120static void tg3_get_regs(struct net_device *dev,
9121 struct ethtool_regs *regs, void *_p)
9122{
9123 u32 *p = _p;
9124 struct tg3 *tp = netdev_priv(dev);
9125 u8 *orig_p = _p;
9126 int i;
9127
9128 regs->version = 0;
9129
9130 memset(p, 0, TG3_REGDUMP_LEN);
9131
bc1c7567
MC		 9132 if (tp->link_config.phy_is_low_power)
9133 return;
9134
f47c11ee 9135 tg3_full_lock(tp, 0);
1da177e4
LT		 9136
9137#define __GET_REG32(reg) (*(p)++ = tr32(reg))
9138#define GET_REG32_LOOP(base,len) \
9139do { p = (u32 *)(orig_p + (base)); \
9140 for (i = 0; i < len; i += 4) \
9141 __GET_REG32((base) + i); \
9142} while (0)
9143#define GET_REG32_1(reg) \
9144do { p = (u32 *)(orig_p + (reg)); \
9145 __GET_REG32((reg)); \
9146} while (0)
9147
9148 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9149 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9150 GET_REG32_LOOP(MAC_MODE, 0x4f0);
9151 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9152 GET_REG32_1(SNDDATAC_MODE);
9153 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9154 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9155 GET_REG32_1(SNDBDC_MODE);
9156 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9157 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9158 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9159 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9160 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9161 GET_REG32_1(RCVDCC_MODE);
9162 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9163 GET_REG32_LOOP(RCVCC_MODE, 0x14);
9164 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9165 GET_REG32_1(MBFREE_MODE);
9166 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9167 GET_REG32_LOOP(MEMARB_MODE, 0x10);
9168 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9169 GET_REG32_LOOP(RDMAC_MODE, 0x08);
9170 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 9171 GET_REG32_1(RX_CPU_MODE);
9172 GET_REG32_1(RX_CPU_STATE);
9173 GET_REG32_1(RX_CPU_PGMCTR);
9174 GET_REG32_1(RX_CPU_HWBKPT);
9175 GET_REG32_1(TX_CPU_MODE);
9176 GET_REG32_1(TX_CPU_STATE);
9177 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 9178 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9179 GET_REG32_LOOP(FTQ_RESET, 0x120);
9180 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9181 GET_REG32_1(DMAC_MODE);
9182 GET_REG32_LOOP(GRC_MODE, 0x4c);
9183 if (tp->tg3_flags & TG3_FLAG_NVRAM)
9184 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9185
9186#undef __GET_REG32
9187#undef GET_REG32_LOOP
9188#undef GET_REG32_1
9189
f47c11ee 9190 tg3_full_unlock(tp);
1da177e4
LT		 9191}
9192
9193static int tg3_get_eeprom_len(struct net_device *dev)
9194{
9195 struct tg3 *tp = netdev_priv(dev);
9196
9197 return tp->nvram_size;
9198}
9199
1da177e4
LT		 9200static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9201{
9202 struct tg3 *tp = netdev_priv(dev);
9203 int ret;
9204 u8 *pd;
b9fc7dc5 9205 u32 i, offset, len, b_offset, b_count;
a9dc529d 9206 __be32 val;
1da177e4 9207
df259d8c
MC		 9208 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9209 return -EINVAL;
9210
bc1c7567
MC		 9211 if (tp->link_config.phy_is_low_power)
9212 return -EAGAIN;
9213
1da177e4
LT		 9214 offset = eeprom->offset;
9215 len = eeprom->len;
9216 eeprom->len = 0;
9217
9218 eeprom->magic = TG3_EEPROM_MAGIC;
9219
9220 if (offset & 3) {
9221 /* adjustments to start on required 4 byte boundary */
9222 b_offset = offset & 3;
9223 b_count = 4 - b_offset;
9224 if (b_count > len) {
9225 /* i.e. offset=1 len=2 */
9226 b_count = len;
9227 }
a9dc529d 9228 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
1da177e4
LT		 9229 if (ret)
9230 return ret;
1da177e4
LT		 9231 memcpy(data, ((char*)&val) + b_offset, b_count);
9232 len -= b_count;
9233 offset += b_count;
9234 eeprom->len += b_count;
9235 }
9236
9237 /* read bytes upto the last 4 byte boundary */
9238 pd = &data[eeprom->len];
9239 for (i = 0; i < (len - (len & 3)); i += 4) {
a9dc529d 9240 ret = tg3_nvram_read_be32(tp, offset + i, &val);
1da177e4
LT		 9241 if (ret) {
9242 eeprom->len += i;
9243 return ret;
9244 }
1da177e4
LT		 9245 memcpy(pd + i, &val, 4);
9246 }
9247 eeprom->len += i;
9248
9249 if (len & 3) {
9250 /* read last bytes not ending on 4 byte boundary */
9251 pd = &data[eeprom->len];
9252 b_count = len & 3;
9253 b_offset = offset + len - b_count;
a9dc529d 9254 ret = tg3_nvram_read_be32(tp, b_offset, &val);
1da177e4
LT		 9255 if (ret)
9256 return ret;
b9fc7dc5 9257 memcpy(pd, &val, b_count);
1da177e4
LT		 9258 eeprom->len += b_count;
9259 }
9260 return 0;
9261}
9262
6aa20a22 9263static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 9264
9265static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9266{
9267 struct tg3 *tp = netdev_priv(dev);
9268 int ret;
b9fc7dc5 9269 u32 offset, len, b_offset, odd_len;
1da177e4 9270 u8 *buf;
a9dc529d 9271 __be32 start, end;
1da177e4 9272
bc1c7567
MC		 9273 if (tp->link_config.phy_is_low_power)
9274 return -EAGAIN;
9275
df259d8c
MC		 9276 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9277 eeprom->magic != TG3_EEPROM_MAGIC)
1da177e4
LT		 9278 return -EINVAL;
9279
9280 offset = eeprom->offset;
9281 len = eeprom->len;
9282
9283 if ((b_offset = (offset & 3))) {
9284 /* adjustments to start on required 4 byte boundary */
a9dc529d 9285 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
1da177e4
LT		 9286 if (ret)
9287 return ret;
1da177e4
LT		 9288 len += b_offset;
9289 offset &= ~3;
1c8594b4
MC		 9290 if (len < 4)
9291 len = 4;
1da177e4
LT		 9292 }
9293
9294 odd_len = 0;
1c8594b4 9295 if (len & 3) {
1da177e4
LT		 9296 /* adjustments to end on required 4 byte boundary */
9297 odd_len = 1;
9298 len = (len + 3) & ~3;
a9dc529d 9299 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
1da177e4
LT		 9300 if (ret)
9301 return ret;
1da177e4
LT		 9302 }
9303
9304 buf = data;
9305 if (b_offset || odd_len) {
9306 buf = kmalloc(len, GFP_KERNEL);
ab0049b4 9307 if (!buf)
1da177e4
LT		 9308 return -ENOMEM;
9309 if (b_offset)
9310 memcpy(buf, &start, 4);
9311 if (odd_len)
9312 memcpy(buf+len-4, &end, 4);
9313 memcpy(buf + b_offset, data, eeprom->len);
9314 }
9315
9316 ret = tg3_nvram_write_block(tp, offset, len, buf);
9317
9318 if (buf != data)
9319 kfree(buf);
9320
9321 return ret;
9322}
9323
9324static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9325{
b02fd9e3
MC		 9326 struct tg3 *tp = netdev_priv(dev);
9327
9328 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 9329 struct phy_device *phydev;
b02fd9e3
MC		 9330 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9331 return -EAGAIN;
3f0e3ad7
MC		 9332 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9333 return phy_ethtool_gset(phydev, cmd);
b02fd9e3 9334 }
6aa20a22 9335
1da177e4
LT		 9336 cmd->supported = (SUPPORTED_Autoneg);
9337
9338 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9339 cmd->supported |= (SUPPORTED_1000baseT_Half |
9340 SUPPORTED_1000baseT_Full);
9341
ef348144 9342 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 9343 cmd->supported |= (SUPPORTED_100baseT_Half |
9344 SUPPORTED_100baseT_Full |
9345 SUPPORTED_10baseT_Half |
9346 SUPPORTED_10baseT_Full |
3bebab59 9347 SUPPORTED_TP);
ef348144
KK		 9348 cmd->port = PORT_TP;
9349 } else {
1da177e4 9350 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 9351 cmd->port = PORT_FIBRE;
9352 }
6aa20a22 9353
1da177e4
LT		 9354 cmd->advertising = tp->link_config.advertising;
9355 if (netif_running(dev)) {
9356 cmd->speed = tp->link_config.active_speed;
9357 cmd->duplex = tp->link_config.active_duplex;
9358 }
882e9793 9359 cmd->phy_address = tp->phy_addr;
7e5856bd 9360 cmd->transceiver = XCVR_INTERNAL;
1da177e4
LT		 9361 cmd->autoneg = tp->link_config.autoneg;
9362 cmd->maxtxpkt = 0;
9363 cmd->maxrxpkt = 0;
9364 return 0;
9365}
6aa20a22 9366
1da177e4
LT		 9367static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9368{
9369 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9370
b02fd9e3 9371 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 9372 struct phy_device *phydev;
b02fd9e3
MC		 9373 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9374 return -EAGAIN;
3f0e3ad7
MC		 9375 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9376 return phy_ethtool_sset(phydev, cmd);
b02fd9e3
MC		 9377 }
9378
7e5856bd
MC		 9379 if (cmd->autoneg != AUTONEG_ENABLE &&
9380 cmd->autoneg != AUTONEG_DISABLE)
37ff238d 9381 return -EINVAL;
7e5856bd
MC		 9382
9383 if (cmd->autoneg == AUTONEG_DISABLE &&
9384 cmd->duplex != DUPLEX_FULL &&
9385 cmd->duplex != DUPLEX_HALF)
37ff238d 9386 return -EINVAL;
1da177e4 9387
7e5856bd
MC		 9388 if (cmd->autoneg == AUTONEG_ENABLE) {
9389 u32 mask = ADVERTISED_Autoneg |
9390 ADVERTISED_Pause |
9391 ADVERTISED_Asym_Pause;
9392
9393 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9394 mask |= ADVERTISED_1000baseT_Half |
9395 ADVERTISED_1000baseT_Full;
9396
9397 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9398 mask |= ADVERTISED_100baseT_Half |
9399 ADVERTISED_100baseT_Full |
9400 ADVERTISED_10baseT_Half |
9401 ADVERTISED_10baseT_Full |
9402 ADVERTISED_TP;
9403 else
9404 mask |= ADVERTISED_FIBRE;
9405
9406 if (cmd->advertising & ~mask)
9407 return -EINVAL;
9408
9409 mask &= (ADVERTISED_1000baseT_Half |
9410 ADVERTISED_1000baseT_Full |
9411 ADVERTISED_100baseT_Half |
9412 ADVERTISED_100baseT_Full |
9413 ADVERTISED_10baseT_Half |
9414 ADVERTISED_10baseT_Full);
9415
9416 cmd->advertising &= mask;
9417 } else {
9418 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9419 if (cmd->speed != SPEED_1000)
9420 return -EINVAL;
9421
9422 if (cmd->duplex != DUPLEX_FULL)
9423 return -EINVAL;
9424 } else {
9425 if (cmd->speed != SPEED_100 &&
9426 cmd->speed != SPEED_10)
9427 return -EINVAL;
9428 }
9429 }
9430
f47c11ee 9431 tg3_full_lock(tp, 0);
1da177e4
LT		 9432
9433 tp->link_config.autoneg = cmd->autoneg;
9434 if (cmd->autoneg == AUTONEG_ENABLE) {
405d8e5c
AG		 9435 tp->link_config.advertising = (cmd->advertising |
9436 ADVERTISED_Autoneg);
1da177e4
LT		 9437 tp->link_config.speed = SPEED_INVALID;
9438 tp->link_config.duplex = DUPLEX_INVALID;
9439 } else {
9440 tp->link_config.advertising = 0;
9441 tp->link_config.speed = cmd->speed;
9442 tp->link_config.duplex = cmd->duplex;
b02fd9e3 9443 }
6aa20a22 9444
24fcad6b
MC		 9445 tp->link_config.orig_speed = tp->link_config.speed;
9446 tp->link_config.orig_duplex = tp->link_config.duplex;
9447 tp->link_config.orig_autoneg = tp->link_config.autoneg;
9448
1da177e4
LT		 9449 if (netif_running(dev))
9450 tg3_setup_phy(tp, 1);
9451
f47c11ee 9452 tg3_full_unlock(tp);
6aa20a22 9453
1da177e4
LT		 9454 return 0;
9455}
6aa20a22 9456
1da177e4
LT		 9457static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9458{
9459 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9460
1da177e4
LT		 9461 strcpy(info->driver, DRV_MODULE_NAME);
9462 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 9463 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 9464 strcpy(info->bus_info, pci_name(tp->pdev));
9465}
6aa20a22 9466
1da177e4
LT		 9467static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9468{
9469 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9470
12dac075
RW		 9471 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9472 device_can_wakeup(&tp->pdev->dev))
a85feb8c
GZ		 9473 wol->supported = WAKE_MAGIC;
9474 else
9475 wol->supported = 0;
1da177e4 9476 wol->wolopts = 0;
05ac4cb7
MC		 9477 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9478 device_can_wakeup(&tp->pdev->dev))
1da177e4
LT		 9479 wol->wolopts = WAKE_MAGIC;
9480 memset(&wol->sopass, 0, sizeof(wol->sopass));
9481}
6aa20a22 9482
1da177e4
LT		 9483static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9484{
9485 struct tg3 *tp = netdev_priv(dev);
12dac075 9486 struct device *dp = &tp->pdev->dev;
6aa20a22 9487
1da177e4
LT		 9488 if (wol->wolopts & ~WAKE_MAGIC)
9489 return -EINVAL;
9490 if ((wol->wolopts & WAKE_MAGIC) &&
12dac075 9491 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
1da177e4 9492 return -EINVAL;
6aa20a22 9493
f47c11ee 9494 spin_lock_bh(&tp->lock);
12dac075 9495 if (wol->wolopts & WAKE_MAGIC) {
1da177e4 9496 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12dac075
RW		 9497 device_set_wakeup_enable(dp, true);
9498 } else {
1da177e4 9499 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
12dac075
RW		 9500 device_set_wakeup_enable(dp, false);
9501 }
f47c11ee 9502 spin_unlock_bh(&tp->lock);
6aa20a22 9503
1da177e4
LT		 9504 return 0;
9505}
6aa20a22 9506
1da177e4
LT		 9507static u32 tg3_get_msglevel(struct net_device *dev)
9508{
9509 struct tg3 *tp = netdev_priv(dev);
9510 return tp->msg_enable;
9511}
6aa20a22 9512
1da177e4
LT		 9513static void tg3_set_msglevel(struct net_device *dev, u32 value)
9514{
9515 struct tg3 *tp = netdev_priv(dev);
9516 tp->msg_enable = value;
9517}
6aa20a22 9518
1da177e4
LT		 9519static int tg3_set_tso(struct net_device *dev, u32 value)
9520{
9521 struct tg3 *tp = netdev_priv(dev);
9522
9523 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9524 if (value)
9525 return -EINVAL;
9526 return 0;
9527 }
027455ad 9528 if ((dev->features & NETIF_F_IPV6_CSUM) &&
e849cdc3
MC		 9529 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9530 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9936bcf6 9531 if (value) {
b0026624 9532 dev->features |= NETIF_F_TSO6;
e849cdc3
MC		 9533 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9534 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c
MC		 9535 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9536 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
321d32a0 9537 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
e849cdc3 9538 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9936bcf6
MC		 9539 dev->features |= NETIF_F_TSO_ECN;
9540 } else
9541 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
b0026624 9542 }
1da177e4
LT		 9543 return ethtool_op_set_tso(dev, value);
9544}
6aa20a22 9545
1da177e4
LT		 9546static int tg3_nway_reset(struct net_device *dev)
9547{
9548 struct tg3 *tp = netdev_priv(dev);
1da177e4 9549 int r;
6aa20a22 9550
1da177e4
LT		 9551 if (!netif_running(dev))
9552 return -EAGAIN;
9553
c94e3941
MC		 9554 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9555 return -EINVAL;
9556
b02fd9e3
MC		 9557 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9558 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9559 return -EAGAIN;
3f0e3ad7 9560 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
b02fd9e3
MC		 9561 } else {
9562 u32 bmcr;
9563
9564 spin_lock_bh(&tp->lock);
9565 r = -EINVAL;
9566 tg3_readphy(tp, MII_BMCR, &bmcr);
9567 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9568 ((bmcr & BMCR_ANENABLE) ||
9569 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9570 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9571 BMCR_ANENABLE);
9572 r = 0;
9573 }
9574 spin_unlock_bh(&tp->lock);
1da177e4 9575 }
6aa20a22 9576
1da177e4
LT		 9577 return r;
9578}
6aa20a22 9579
1da177e4
LT		 9580static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9581{
9582 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9583
1da177e4
LT		 9584 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9585 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 9586 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9587 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9588 else
9589 ering->rx_jumbo_max_pending = 0;
9590
9591 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 9592
9593 ering->rx_pending = tp->rx_pending;
9594 ering->rx_mini_pending = 0;
4f81c32b
MC		 9595 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9596 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9597 else
9598 ering->rx_jumbo_pending = 0;
9599
f3f3f27e 9600 ering->tx_pending = tp->napi[0].tx_pending;
1da177e4 9601}
6aa20a22 9602
1da177e4
LT		 9603static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9604{
9605 struct tg3 *tp = netdev_priv(dev);
646c9edd 9606 int i, irq_sync = 0, err = 0;
6aa20a22 9607
1da177e4
LT		 9608 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9609 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 9610 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9611 (ering->tx_pending <= MAX_SKB_FRAGS) ||
7f62ad5d 9612 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
bc3a9254 9613 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 9614 return -EINVAL;
6aa20a22 9615
bbe832c0 9616 if (netif_running(dev)) {
b02fd9e3 9617 tg3_phy_stop(tp);
1da177e4 9618 tg3_netif_stop(tp);
bbe832c0
MC		 9619 irq_sync = 1;
9620 }
1da177e4 9621
bbe832c0 9622 tg3_full_lock(tp, irq_sync);
6aa20a22 9623
1da177e4
LT		 9624 tp->rx_pending = ering->rx_pending;
9625
9626 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9627 tp->rx_pending > 63)
9628 tp->rx_pending = 63;
9629 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
646c9edd
MC		 9630
9631 for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9632 tp->napi[i].tx_pending = ering->tx_pending;
1da177e4
LT		 9633
9634 if (netif_running(dev)) {
944d980e 9635 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 9636 err = tg3_restart_hw(tp, 1);
9637 if (!err)
9638 tg3_netif_start(tp);
1da177e4
LT		 9639 }
9640
f47c11ee 9641 tg3_full_unlock(tp);
6aa20a22 9642
b02fd9e3
MC		 9643 if (irq_sync && !err)
9644 tg3_phy_start(tp);
9645
b9ec6c1b 9646 return err;
1da177e4 9647}
6aa20a22 9648
1da177e4
LT		 9649static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9650{
9651 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9652
1da177e4 9653 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8d018621 9654
e18ce346 9655 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
8d018621
MC		 9656 epause->rx_pause = 1;
9657 else
9658 epause->rx_pause = 0;
9659
e18ce346 9660 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
8d018621
MC		 9661 epause->tx_pause = 1;
9662 else
9663 epause->tx_pause = 0;
1da177e4 9664}
6aa20a22 9665
1da177e4
LT		 9666static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9667{
9668 struct tg3 *tp = netdev_priv(dev);
b02fd9e3 9669 int err = 0;
6aa20a22 9670
b02fd9e3
MC		 9671 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9672 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9673 return -EAGAIN;
1da177e4 9674
b02fd9e3
MC		 9675 if (epause->autoneg) {
9676 u32 newadv;
9677 struct phy_device *phydev;
f47c11ee 9678
3f0e3ad7 9679 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1da177e4 9680
b02fd9e3
MC		 9681 if (epause->rx_pause) {
9682 if (epause->tx_pause)
9683 newadv = ADVERTISED_Pause;
9684 else
9685 newadv = ADVERTISED_Pause |
9686 ADVERTISED_Asym_Pause;
9687 } else if (epause->tx_pause) {
9688 newadv = ADVERTISED_Asym_Pause;
9689 } else
9690 newadv = 0;
9691
9692 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9693 u32 oldadv = phydev->advertising &
9694 (ADVERTISED_Pause |
9695 ADVERTISED_Asym_Pause);
9696 if (oldadv != newadv) {
9697 phydev->advertising &=
9698 ~(ADVERTISED_Pause |
9699 ADVERTISED_Asym_Pause);
9700 phydev->advertising |= newadv;
9701 err = phy_start_aneg(phydev);
9702 }
9703 } else {
9704 tp->link_config.advertising &=
9705 ~(ADVERTISED_Pause |
9706 ADVERTISED_Asym_Pause);
9707 tp->link_config.advertising |= newadv;
9708 }
9709 } else {
9710 if (epause->rx_pause)
e18ce346 9711 tp->link_config.flowctrl |= FLOW_CTRL_RX;
b02fd9e3 9712 else
e18ce346 9713 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
f47c11ee 9714
b02fd9e3 9715 if (epause->tx_pause)
e18ce346 9716 tp->link_config.flowctrl |= FLOW_CTRL_TX;
b02fd9e3 9717 else
e18ce346 9718 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
b02fd9e3
MC		 9719
9720 if (netif_running(dev))
9721 tg3_setup_flow_control(tp, 0, 0);
9722 }
9723 } else {
9724 int irq_sync = 0;
9725
9726 if (netif_running(dev)) {
9727 tg3_netif_stop(tp);
9728 irq_sync = 1;
9729 }
9730
9731 tg3_full_lock(tp, irq_sync);
9732
9733 if (epause->autoneg)
9734 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9735 else
9736 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9737 if (epause->rx_pause)
e18ce346 9738 tp->link_config.flowctrl |= FLOW_CTRL_RX;
b02fd9e3 9739 else
e18ce346 9740 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
b02fd9e3 9741 if (epause->tx_pause)
e18ce346 9742 tp->link_config.flowctrl |= FLOW_CTRL_TX;
b02fd9e3 9743 else
e18ce346 9744 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
b02fd9e3
MC		 9745
9746 if (netif_running(dev)) {
9747 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9748 err = tg3_restart_hw(tp, 1);
9749 if (!err)
9750 tg3_netif_start(tp);
9751 }
9752
9753 tg3_full_unlock(tp);
9754 }
6aa20a22 9755
b9ec6c1b 9756 return err;
1da177e4 9757}
6aa20a22 9758
1da177e4
LT		 9759static u32 tg3_get_rx_csum(struct net_device *dev)
9760{
9761 struct tg3 *tp = netdev_priv(dev);
9762 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9763}
6aa20a22 9764
1da177e4
LT		 9765static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9766{
9767 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9768
1da177e4
LT		 9769 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9770 if (data != 0)
9771 return -EINVAL;
9772 return 0;
9773 }
6aa20a22 9774
f47c11ee 9775 spin_lock_bh(&tp->lock);
1da177e4
LT		 9776 if (data)
9777 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9778 else
9779 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 9780 spin_unlock_bh(&tp->lock);
6aa20a22 9781
1da177e4
LT		 9782 return 0;
9783}
6aa20a22 9784
1da177e4
LT		 9785static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9786{
9787 struct tg3 *tp = netdev_priv(dev);
6aa20a22 9788
1da177e4
LT		 9789 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9790 if (data != 0)
9791 return -EINVAL;
9792 return 0;
9793 }
6aa20a22 9794
321d32a0 9795 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
6460d948 9796 ethtool_op_set_tx_ipv6_csum(dev, data);
1da177e4 9797 else
9c27dbdf 9798 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 9799
9800 return 0;
9801}
9802
b9f2c044 9803static int tg3_get_sset_count (struct net_device *dev, int sset)
1da177e4 9804{
b9f2c044
JG		 9805 switch (sset) {
9806 case ETH_SS_TEST:
9807 return TG3_NUM_TEST;
9808 case ETH_SS_STATS:
9809 return TG3_NUM_STATS;
9810 default:
9811 return -EOPNOTSUPP;
9812 }
4cafd3f5
MC		 9813}
9814
1da177e4
LT		 9815static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9816{
9817 switch (stringset) {
9818 case ETH_SS_STATS:
9819 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
9820 break;
4cafd3f5
MC		 9821 case ETH_SS_TEST:
9822 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
9823 break;
1da177e4
LT		 9824 default:
9825 WARN_ON(1); /* we need a WARN() */
9826 break;
9827 }
9828}
9829
4009a93d
MC		 9830static int tg3_phys_id(struct net_device *dev, u32 data)
9831{
9832 struct tg3 *tp = netdev_priv(dev);
9833 int i;
9834
9835 if (!netif_running(tp->dev))
9836 return -EAGAIN;
9837
9838 if (data == 0)
759afc31 9839 data = UINT_MAX / 2;
4009a93d
MC		 9840
9841 for (i = 0; i < (data * 2); i++) {
9842 if ((i % 2) == 0)
9843 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9844 LED_CTRL_1000MBPS_ON |
9845 LED_CTRL_100MBPS_ON |
9846 LED_CTRL_10MBPS_ON |
9847 LED_CTRL_TRAFFIC_OVERRIDE |
9848 LED_CTRL_TRAFFIC_BLINK |
9849 LED_CTRL_TRAFFIC_LED);
6aa20a22 9850
4009a93d
MC		 9851 else
9852 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9853 LED_CTRL_TRAFFIC_OVERRIDE);
9854
9855 if (msleep_interruptible(500))
9856 break;
9857 }
9858 tw32(MAC_LED_CTRL, tp->led_ctrl);
9859 return 0;
9860}
9861
1da177e4
LT		 9862static void tg3_get_ethtool_stats (struct net_device *dev,
9863 struct ethtool_stats *estats, u64 *tmp_stats)
9864{
9865 struct tg3 *tp = netdev_priv(dev);
9866 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9867}
9868
566f86ad 9869#define NVRAM_TEST_SIZE 0x100
a5767dec
MC		 9870#define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
9871#define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
9872#define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
b16250e3
MC		 9873#define NVRAM_SELFBOOT_HW_SIZE 0x20
9874#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 9875
9876static int tg3_test_nvram(struct tg3 *tp)
9877{
b9fc7dc5 9878 u32 csum, magic;
a9dc529d 9879 __be32 *buf;
ab0049b4 9880 int i, j, k, err = 0, size;
566f86ad 9881
df259d8c
MC		 9882 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9883 return 0;
9884
e4f34110 9885 if (tg3_nvram_read(tp, 0, &magic) != 0)
1b27777a
MC		 9886 return -EIO;
9887
1b27777a
MC		 9888 if (magic == TG3_EEPROM_MAGIC)
9889 size = NVRAM_TEST_SIZE;
b16250e3 9890 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
a5767dec
MC		 9891 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9892 TG3_EEPROM_SB_FORMAT_1) {
9893 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9894 case TG3_EEPROM_SB_REVISION_0:
9895 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9896 break;
9897 case TG3_EEPROM_SB_REVISION_2:
9898 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9899 break;
9900 case TG3_EEPROM_SB_REVISION_3:
9901 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9902 break;
9903 default:
9904 return 0;
9905 }
9906 } else
1b27777a 9907 return 0;
b16250e3
MC		 9908 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9909 size = NVRAM_SELFBOOT_HW_SIZE;
9910 else
1b27777a
MC		 9911 return -EIO;
9912
9913 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 9914 if (buf == NULL)
9915 return -ENOMEM;
9916
1b27777a
MC		 9917 err = -EIO;
9918 for (i = 0, j = 0; i < size; i += 4, j++) {
a9dc529d
MC		 9919 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9920 if (err)
566f86ad 9921 break;
566f86ad 9922 }
1b27777a 9923 if (i < size)
566f86ad
MC		 9924 goto out;
9925
1b27777a 9926 /* Selfboot format */
a9dc529d 9927 magic = be32_to_cpu(buf[0]);
b9fc7dc5 9928 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
b16250e3 9929 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 9930 u8 *buf8 = (u8 *) buf, csum8 = 0;
9931
b9fc7dc5 9932 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
a5767dec
MC		 9933 TG3_EEPROM_SB_REVISION_2) {
9934 /* For rev 2, the csum doesn't include the MBA. */
9935 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9936 csum8 += buf8[i];
9937 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9938 csum8 += buf8[i];
9939 } else {
9940 for (i = 0; i < size; i++)
9941 csum8 += buf8[i];
9942 }
1b27777a 9943
ad96b485
AB		 9944 if (csum8 == 0) {
9945 err = 0;
9946 goto out;
9947 }
9948
9949 err = -EIO;
9950 goto out;
1b27777a 9951 }
566f86ad 9952
b9fc7dc5 9953 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
b16250e3
MC		 9954 TG3_EEPROM_MAGIC_HW) {
9955 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
a9dc529d 9956 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
b16250e3 9957 u8 *buf8 = (u8 *) buf;
b16250e3
MC		 9958
9959 /* Separate the parity bits and the data bytes. */
9960 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
9961 if ((i == 0) || (i == 8)) {
9962 int l;
9963 u8 msk;
9964
9965 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
9966 parity[k++] = buf8[i] & msk;
9967 i++;
9968 }
9969 else if (i == 16) {
9970 int l;
9971 u8 msk;
9972
9973 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
9974 parity[k++] = buf8[i] & msk;
9975 i++;
9976
9977 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
9978 parity[k++] = buf8[i] & msk;
9979 i++;
9980 }
9981 data[j++] = buf8[i];
9982 }
9983
9984 err = -EIO;
9985 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
9986 u8 hw8 = hweight8(data[i]);
9987
9988 if ((hw8 & 0x1) && parity[i])
9989 goto out;
9990 else if (!(hw8 & 0x1) && !parity[i])
9991 goto out;
9992 }
9993 err = 0;
9994 goto out;
9995 }
9996
566f86ad
MC		 9997 /* Bootstrap checksum at offset 0x10 */
9998 csum = calc_crc((unsigned char *) buf, 0x10);
a9dc529d 9999 if (csum != be32_to_cpu(buf[0x10/4]))
566f86ad
MC		 10000 goto out;
10001
10002 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10003 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
a9dc529d
MC		 10004 if (csum != be32_to_cpu(buf[0xfc/4]))
10005 goto out;
566f86ad
MC		 10006
10007 err = 0;
10008
10009out:
10010 kfree(buf);
10011 return err;
10012}
10013
ca43007a
MC		 10014#define TG3_SERDES_TIMEOUT_SEC 2
10015#define TG3_COPPER_TIMEOUT_SEC 6
10016
10017static int tg3_test_link(struct tg3 *tp)
10018{
10019 int i, max;
10020
10021 if (!netif_running(tp->dev))
10022 return -ENODEV;
10023
4c987487 10024 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 10025 max = TG3_SERDES_TIMEOUT_SEC;
10026 else
10027 max = TG3_COPPER_TIMEOUT_SEC;
10028
10029 for (i = 0; i < max; i++) {
10030 if (netif_carrier_ok(tp->dev))
10031 return 0;
10032
10033 if (msleep_interruptible(1000))
10034 break;
10035 }
10036
10037 return -EIO;
10038}
10039
a71116d1 10040/* Only test the commonly used registers */
30ca3e37 10041static int tg3_test_registers(struct tg3 *tp)
a71116d1 10042{
b16250e3 10043 int i, is_5705, is_5750;
a71116d1
MC		 10044 u32 offset, read_mask, write_mask, val, save_val, read_val;
10045 static struct {
10046 u16 offset;
10047 u16 flags;
10048#define TG3_FL_5705 0x1
10049#define TG3_FL_NOT_5705 0x2
10050#define TG3_FL_NOT_5788 0x4
b16250e3 10051#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 10052 u32 read_mask;
10053 u32 write_mask;
10054 } reg_tbl[] = {
10055 /* MAC Control Registers */
10056 { MAC_MODE, TG3_FL_NOT_5705,
10057 0x00000000, 0x00ef6f8c },
10058 { MAC_MODE, TG3_FL_5705,
10059 0x00000000, 0x01ef6b8c },
10060 { MAC_STATUS, TG3_FL_NOT_5705,
10061 0x03800107, 0x00000000 },
10062 { MAC_STATUS, TG3_FL_5705,
10063 0x03800100, 0x00000000 },
10064 { MAC_ADDR_0_HIGH, 0x0000,
10065 0x00000000, 0x0000ffff },
10066 { MAC_ADDR_0_LOW, 0x0000,
10067 0x00000000, 0xffffffff },
10068 { MAC_RX_MTU_SIZE, 0x0000,
10069 0x00000000, 0x0000ffff },
10070 { MAC_TX_MODE, 0x0000,
10071 0x00000000, 0x00000070 },
10072 { MAC_TX_LENGTHS, 0x0000,
10073 0x00000000, 0x00003fff },
10074 { MAC_RX_MODE, TG3_FL_NOT_5705,
10075 0x00000000, 0x000007fc },
10076 { MAC_RX_MODE, TG3_FL_5705,
10077 0x00000000, 0x000007dc },
10078 { MAC_HASH_REG_0, 0x0000,
10079 0x00000000, 0xffffffff },
10080 { MAC_HASH_REG_1, 0x0000,
10081 0x00000000, 0xffffffff },
10082 { MAC_HASH_REG_2, 0x0000,
10083 0x00000000, 0xffffffff },
10084 { MAC_HASH_REG_3, 0x0000,
10085 0x00000000, 0xffffffff },
10086
10087 /* Receive Data and Receive BD Initiator Control Registers. */
10088 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10089 0x00000000, 0xffffffff },
10090 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10091 0x00000000, 0xffffffff },
10092 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10093 0x00000000, 0x00000003 },
10094 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10095 0x00000000, 0xffffffff },
10096 { RCVDBDI_STD_BD+0, 0x0000,
10097 0x00000000, 0xffffffff },
10098 { RCVDBDI_STD_BD+4, 0x0000,
10099 0x00000000, 0xffffffff },
10100 { RCVDBDI_STD_BD+8, 0x0000,
10101 0x00000000, 0xffff0002 },
10102 { RCVDBDI_STD_BD+0xc, 0x0000,
10103 0x00000000, 0xffffffff },
6aa20a22 10104
a71116d1
MC		 10105 /* Receive BD Initiator Control Registers. */
10106 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10107 0x00000000, 0xffffffff },
10108 { RCVBDI_STD_THRESH, TG3_FL_5705,
10109 0x00000000, 0x000003ff },
10110 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10111 0x00000000, 0xffffffff },
6aa20a22 10112
a71116d1
MC		 10113 /* Host Coalescing Control Registers. */
10114 { HOSTCC_MODE, TG3_FL_NOT_5705,
10115 0x00000000, 0x00000004 },
10116 { HOSTCC_MODE, TG3_FL_5705,
10117 0x00000000, 0x000000f6 },
10118 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10119 0x00000000, 0xffffffff },
10120 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10121 0x00000000, 0x000003ff },
10122 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10123 0x00000000, 0xffffffff },
10124 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10125 0x00000000, 0x000003ff },
10126 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10127 0x00000000, 0xffffffff },
10128 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10129 0x00000000, 0x000000ff },
10130 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10131 0x00000000, 0xffffffff },
10132 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10133 0x00000000, 0x000000ff },
10134 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10135 0x00000000, 0xffffffff },
10136 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10137 0x00000000, 0xffffffff },
10138 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10139 0x00000000, 0xffffffff },
10140 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10141 0x00000000, 0x000000ff },
10142 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10143 0x00000000, 0xffffffff },
10144 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10145 0x00000000, 0x000000ff },
10146 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10147 0x00000000, 0xffffffff },
10148 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10149 0x00000000, 0xffffffff },
10150 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10151 0x00000000, 0xffffffff },
10152 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10153 0x00000000, 0xffffffff },
10154 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10155 0x00000000, 0xffffffff },
10156 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10157 0xffffffff, 0x00000000 },
10158 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10159 0xffffffff, 0x00000000 },
10160
10161 /* Buffer Manager Control Registers. */
b16250e3 10162 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 10163 0x00000000, 0x007fff80 },
b16250e3 10164 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 10165 0x00000000, 0x007fffff },
10166 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10167 0x00000000, 0x0000003f },
10168 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10169 0x00000000, 0x000001ff },
10170 { BUFMGR_MB_HIGH_WATER, 0x0000,
10171 0x00000000, 0x000001ff },
10172 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10173 0xffffffff, 0x00000000 },
10174 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10175 0xffffffff, 0x00000000 },
6aa20a22 10176
a71116d1
MC		 10177 /* Mailbox Registers */
10178 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10179 0x00000000, 0x000001ff },
10180 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10181 0x00000000, 0x000001ff },
10182 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10183 0x00000000, 0x000007ff },
10184 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10185 0x00000000, 0x000001ff },
10186
10187 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10188 };
10189
b16250e3
MC		 10190 is_5705 = is_5750 = 0;
10191 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 10192 is_5705 = 1;
b16250e3
MC		 10193 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10194 is_5750 = 1;
10195 }
a71116d1
MC		 10196
10197 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10198 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10199 continue;
10200
10201 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10202 continue;
10203
10204 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10205 (reg_tbl[i].flags & TG3_FL_NOT_5788))
10206 continue;
10207
b16250e3
MC		 10208 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10209 continue;
10210
a71116d1
MC		 10211 offset = (u32) reg_tbl[i].offset;
10212 read_mask = reg_tbl[i].read_mask;
10213 write_mask = reg_tbl[i].write_mask;
10214
10215 /* Save the original register content */
10216 save_val = tr32(offset);
10217
10218 /* Determine the read-only value. */
10219 read_val = save_val & read_mask;
10220
10221 /* Write zero to the register, then make sure the read-only bits
10222 * are not changed and the read/write bits are all zeros.
10223 */
10224 tw32(offset, 0);
10225
10226 val = tr32(offset);
10227
10228 /* Test the read-only and read/write bits. */
10229 if (((val & read_mask) != read_val) || (val & write_mask))
10230 goto out;
10231
10232 /* Write ones to all the bits defined by RdMask and WrMask, then
10233 * make sure the read-only bits are not changed and the
10234 * read/write bits are all ones.
10235 */
10236 tw32(offset, read_mask | write_mask);
10237
10238 val = tr32(offset);
10239
10240 /* Test the read-only bits. */
10241 if ((val & read_mask) != read_val)
10242 goto out;
10243
10244 /* Test the read/write bits. */
10245 if ((val & write_mask) != write_mask)
10246 goto out;
10247
10248 tw32(offset, save_val);
10249 }
10250
10251 return 0;
10252
10253out:
9f88f29f
MC		 10254 if (netif_msg_hw(tp))
10255 printk(KERN_ERR PFX "Register test failed at offset %x\n",
10256 offset);
a71116d1
MC		 10257 tw32(offset, save_val);
10258 return -EIO;
10259}
10260
7942e1db
MC		 10261static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10262{
f71e1309 10263 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 10264 int i;
10265 u32 j;
10266
e9edda69 10267 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
7942e1db
MC		 10268 for (j = 0; j < len; j += 4) {
10269 u32 val;
10270
10271 tg3_write_mem(tp, offset + j, test_pattern[i]);
10272 tg3_read_mem(tp, offset + j, &val);
10273 if (val != test_pattern[i])
10274 return -EIO;
10275 }
10276 }
10277 return 0;
10278}
10279
10280static int tg3_test_memory(struct tg3 *tp)
10281{
10282 static struct mem_entry {
10283 u32 offset;
10284 u32 len;
10285 } mem_tbl_570x[] = {
38690194 10286 { 0x00000000, 0x00b50},
7942e1db
MC		 10287 { 0x00002000, 0x1c000},
10288 { 0xffffffff, 0x00000}
10289 }, mem_tbl_5705[] = {
10290 { 0x00000100, 0x0000c},
10291 { 0x00000200, 0x00008},
7942e1db
MC		 10292 { 0x00004000, 0x00800},
10293 { 0x00006000, 0x01000},
10294 { 0x00008000, 0x02000},
10295 { 0x00010000, 0x0e000},
10296 { 0xffffffff, 0x00000}
79f4d13a
MC		 10297 }, mem_tbl_5755[] = {
10298 { 0x00000200, 0x00008},
10299 { 0x00004000, 0x00800},
10300 { 0x00006000, 0x00800},
10301 { 0x00008000, 0x02000},
10302 { 0x00010000, 0x0c000},
10303 { 0xffffffff, 0x00000}
b16250e3
MC		 10304 }, mem_tbl_5906[] = {
10305 { 0x00000200, 0x00008},
10306 { 0x00004000, 0x00400},
10307 { 0x00006000, 0x00400},
10308 { 0x00008000, 0x01000},
10309 { 0x00010000, 0x01000},
10310 { 0xffffffff, 0x00000}
7942e1db
MC		 10311 };
10312 struct mem_entry *mem_tbl;
10313 int err = 0;
10314 int i;
10315
321d32a0
MC		 10316 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10317 mem_tbl = mem_tbl_5755;
10318 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10319 mem_tbl = mem_tbl_5906;
10320 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10321 mem_tbl = mem_tbl_5705;
10322 else
7942e1db
MC		 10323 mem_tbl = mem_tbl_570x;
10324
10325 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10326 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10327 mem_tbl[i].len)) != 0)
10328 break;
10329 }
6aa20a22 10330
7942e1db
MC		 10331 return err;
10332}
10333
9f40dead
MC		 10334#define TG3_MAC_LOOPBACK 0
10335#define TG3_PHY_LOOPBACK 1
10336
10337static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 10338{
9f40dead 10339 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
fd2ce37f 10340 u32 desc_idx, coal_now;
c76949a6
MC		 10341 struct sk_buff *skb, *rx_skb;
10342 u8 *tx_data;
10343 dma_addr_t map;
10344 int num_pkts, tx_len, rx_len, i, err;
10345 struct tg3_rx_buffer_desc *desc;
898a56f8 10346 struct tg3_napi *tnapi, *rnapi;
21f581a5 10347 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
c76949a6 10348
0c1d0e2b
MC		 10349 if (tp->irq_cnt > 1) {
10350 tnapi = &tp->napi[1];
10351 rnapi = &tp->napi[1];
10352 } else {
10353 tnapi = &tp->napi[0];
10354 rnapi = &tp->napi[0];
10355 }
fd2ce37f 10356 coal_now = tnapi->coal_now | rnapi->coal_now;
898a56f8 10357
9f40dead 10358 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 10359 /* HW errata - mac loopback fails in some cases on 5780.
10360 * Normal traffic and PHY loopback are not affected by
10361 * errata.
10362 */
10363 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10364 return 0;
10365
9f40dead 10366 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
e8f3f6ca
MC		 10367 MAC_MODE_PORT_INT_LPBACK;
10368 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10369 mac_mode |= MAC_MODE_LINK_POLARITY;
3f7045c1
MC		 10370 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10371 mac_mode |= MAC_MODE_PORT_MODE_MII;
10372 else
10373 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 10374 tw32(MAC_MODE, mac_mode);
10375 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 10376 u32 val;
10377
7f97a4bd
MC		 10378 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10379 tg3_phy_fet_toggle_apd(tp, false);
5d64ad34
MC		 10380 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10381 } else
10382 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1 10383
9ef8ca99
MC		 10384 tg3_phy_toggle_automdix(tp, 0);
10385
3f7045c1 10386 tg3_writephy(tp, MII_BMCR, val);
c94e3941 10387 udelay(40);
5d64ad34 10388
e8f3f6ca 10389 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
7f97a4bd
MC		 10390 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10391 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10392 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
5d64ad34
MC		 10393 mac_mode |= MAC_MODE_PORT_MODE_MII;
10394 } else
10395 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 10396
c94e3941
MC		 10397 /* reset to prevent losing 1st rx packet intermittently */
10398 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10399 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10400 udelay(10);
10401 tw32_f(MAC_RX_MODE, tp->rx_mode);
10402 }
e8f3f6ca
MC		 10403 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10404 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10405 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10406 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10407 mac_mode |= MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 10408 tg3_writephy(tp, MII_TG3_EXT_CTRL,
10409 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10410 }
9f40dead 10411 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 10412 }
10413 else
10414 return -EINVAL;
c76949a6
MC		 10415
10416 err = -EIO;
10417
c76949a6 10418 tx_len = 1514;
a20e9c62 10419 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 10420 if (!skb)
10421 return -ENOMEM;
10422
c76949a6
MC		 10423 tx_data = skb_put(skb, tx_len);
10424 memcpy(tx_data, tp->dev->dev_addr, 6);
10425 memset(tx_data + 6, 0x0, 8);
10426
10427 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10428
10429 for (i = 14; i < tx_len; i++)
10430 tx_data[i] = (u8) (i & 0xff);
10431
a21771dd
MC		 10432 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
10433 dev_kfree_skb(skb);
10434 return -EIO;
10435 }
c76949a6
MC		 10436
10437 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 10438 rnapi->coal_now);
c76949a6
MC		 10439
10440 udelay(10);
10441
898a56f8 10442 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
c76949a6 10443
c76949a6
MC		 10444 num_pkts = 0;
10445
a21771dd
MC		 10446 tg3_set_txd(tnapi, tnapi->tx_prod,
10447 skb_shinfo(skb)->dma_head, tx_len, 0, 1);
c76949a6 10448
f3f3f27e 10449 tnapi->tx_prod++;
c76949a6
MC		 10450 num_pkts++;
10451
f3f3f27e
MC		 10452 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10453 tr32_mailbox(tnapi->prodmbox);
c76949a6
MC		 10454
10455 udelay(10);
10456
303fc921
MC		 10457 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10458 for (i = 0; i < 35; i++) {
c76949a6 10459 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 10460 coal_now);
c76949a6
MC		 10461
10462 udelay(10);
10463
898a56f8
MC		 10464 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10465 rx_idx = rnapi->hw_status->idx[0].rx_producer;
f3f3f27e 10466 if ((tx_idx == tnapi->tx_prod) &&
c76949a6
MC		 10467 (rx_idx == (rx_start_idx + num_pkts)))
10468 break;
10469 }
10470
a21771dd 10471 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
c76949a6
MC		 10472 dev_kfree_skb(skb);
10473
f3f3f27e 10474 if (tx_idx != tnapi->tx_prod)
c76949a6
MC		 10475 goto out;
10476
10477 if (rx_idx != rx_start_idx + num_pkts)
10478 goto out;
10479
72334482 10480 desc = &rnapi->rx_rcb[rx_start_idx];
c76949a6
MC		 10481 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10482 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10483 if (opaque_key != RXD_OPAQUE_RING_STD)
10484 goto out;
10485
10486 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10487 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10488 goto out;
10489
10490 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10491 if (rx_len != tx_len)
10492 goto out;
10493
21f581a5 10494 rx_skb = tpr->rx_std_buffers[desc_idx].skb;
c76949a6 10495
21f581a5 10496 map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
c76949a6
MC		 10497 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10498
10499 for (i = 14; i < tx_len; i++) {
10500 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10501 goto out;
10502 }
10503 err = 0;
6aa20a22 10504
c76949a6
MC		 10505 /* tg3_free_rings will unmap and free the rx_skb */
10506out:
10507 return err;
10508}
10509
9f40dead
MC		 10510#define TG3_MAC_LOOPBACK_FAILED 1
10511#define TG3_PHY_LOOPBACK_FAILED 2
10512#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10513 TG3_PHY_LOOPBACK_FAILED)
10514
10515static int tg3_test_loopback(struct tg3 *tp)
10516{
10517 int err = 0;
9936bcf6 10518 u32 cpmuctrl = 0;
9f40dead
MC		 10519
10520 if (!netif_running(tp->dev))
10521 return TG3_LOOPBACK_FAILED;
10522
b9ec6c1b
MC		 10523 err = tg3_reset_hw(tp, 1);
10524 if (err)
10525 return TG3_LOOPBACK_FAILED;
9f40dead 10526
6833c043
MC		 10527 /* Turn off gphy autopowerdown. */
10528 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10529 tg3_phy_toggle_apd(tp, false);
10530
321d32a0 10531 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9936bcf6
MC		 10532 int i;
10533 u32 status;
10534
10535 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10536
10537 /* Wait for up to 40 microseconds to acquire lock. */
10538 for (i = 0; i < 4; i++) {
10539 status = tr32(TG3_CPMU_MUTEX_GNT);
10540 if (status == CPMU_MUTEX_GNT_DRIVER)
10541 break;
10542 udelay(10);
10543 }
10544
10545 if (status != CPMU_MUTEX_GNT_DRIVER)
10546 return TG3_LOOPBACK_FAILED;
10547
b2a5c19c 10548 /* Turn off link-based power management. */
e875093c 10549 cpmuctrl = tr32(TG3_CPMU_CTRL);
109115e1
MC		 10550 tw32(TG3_CPMU_CTRL,
10551 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10552 CPMU_CTRL_LINK_AWARE_MODE));
9936bcf6
MC		 10553 }
10554
9f40dead
MC		 10555 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10556 err |= TG3_MAC_LOOPBACK_FAILED;
9936bcf6 10557
321d32a0 10558 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9936bcf6
MC		 10559 tw32(TG3_CPMU_CTRL, cpmuctrl);
10560
10561 /* Release the mutex */
10562 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10563 }
10564
dd477003
MC		 10565 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10566 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
9f40dead
MC		 10567 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10568 err |= TG3_PHY_LOOPBACK_FAILED;
10569 }
10570
6833c043
MC		 10571 /* Re-enable gphy autopowerdown. */
10572 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10573 tg3_phy_toggle_apd(tp, true);
10574
9f40dead
MC		 10575 return err;
10576}
10577
4cafd3f5
MC		 10578static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10579 u64 *data)
10580{
566f86ad
MC		 10581 struct tg3 *tp = netdev_priv(dev);
10582
bc1c7567
MC		 10583 if (tp->link_config.phy_is_low_power)
10584 tg3_set_power_state(tp, PCI_D0);
10585
566f86ad
MC		 10586 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10587
10588 if (tg3_test_nvram(tp) != 0) {
10589 etest->flags |= ETH_TEST_FL_FAILED;
10590 data[0] = 1;
10591 }
ca43007a
MC		 10592 if (tg3_test_link(tp) != 0) {
10593 etest->flags |= ETH_TEST_FL_FAILED;
10594 data[1] = 1;
10595 }
a71116d1 10596 if (etest->flags & ETH_TEST_FL_OFFLINE) {
b02fd9e3 10597 int err, err2 = 0, irq_sync = 0;
bbe832c0
MC		 10598
10599 if (netif_running(dev)) {
b02fd9e3 10600 tg3_phy_stop(tp);
a71116d1 10601 tg3_netif_stop(tp);
bbe832c0
MC		 10602 irq_sync = 1;
10603 }
a71116d1 10604
bbe832c0 10605 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 10606
10607 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 10608 err = tg3_nvram_lock(tp);
a71116d1
MC		 10609 tg3_halt_cpu(tp, RX_CPU_BASE);
10610 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10611 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 10612 if (!err)
10613 tg3_nvram_unlock(tp);
a71116d1 10614
d9ab5ad1
MC		 10615 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
10616 tg3_phy_reset(tp);
10617
a71116d1
MC		 10618 if (tg3_test_registers(tp) != 0) {
10619 etest->flags |= ETH_TEST_FL_FAILED;
10620 data[2] = 1;
10621 }
7942e1db
MC		 10622 if (tg3_test_memory(tp) != 0) {
10623 etest->flags |= ETH_TEST_FL_FAILED;
10624 data[3] = 1;
10625 }
9f40dead 10626 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 10627 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 10628
f47c11ee
DM		 10629 tg3_full_unlock(tp);
10630
d4bc3927
MC		 10631 if (tg3_test_interrupt(tp) != 0) {
10632 etest->flags |= ETH_TEST_FL_FAILED;
10633 data[5] = 1;
10634 }
f47c11ee
DM		 10635
10636 tg3_full_lock(tp, 0);
d4bc3927 10637
a71116d1
MC		 10638 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10639 if (netif_running(dev)) {
10640 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b02fd9e3
MC		 10641 err2 = tg3_restart_hw(tp, 1);
10642 if (!err2)
b9ec6c1b 10643 tg3_netif_start(tp);
a71116d1 10644 }
f47c11ee
DM		 10645
10646 tg3_full_unlock(tp);
b02fd9e3
MC		 10647
10648 if (irq_sync && !err2)
10649 tg3_phy_start(tp);
a71116d1 10650 }
bc1c7567
MC		 10651 if (tp->link_config.phy_is_low_power)
10652 tg3_set_power_state(tp, PCI_D3hot);
10653
4cafd3f5
MC		 10654}
10655
1da177e4
LT		 10656static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10657{
10658 struct mii_ioctl_data *data = if_mii(ifr);
10659 struct tg3 *tp = netdev_priv(dev);
10660 int err;
10661
b02fd9e3 10662 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
3f0e3ad7 10663 struct phy_device *phydev;
b02fd9e3
MC		 10664 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10665 return -EAGAIN;
3f0e3ad7
MC		 10666 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10667 return phy_mii_ioctl(phydev, data, cmd);
b02fd9e3
MC		 10668 }
10669
1da177e4
LT		 10670 switch(cmd) {
10671 case SIOCGMIIPHY:
882e9793 10672 data->phy_id = tp->phy_addr;
1da177e4
LT		 10673
10674 /* fallthru */
10675 case SIOCGMIIREG: {
10676 u32 mii_regval;
10677
10678 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10679 break; /* We have no PHY */
10680
bc1c7567
MC		 10681 if (tp->link_config.phy_is_low_power)
10682 return -EAGAIN;
10683
f47c11ee 10684 spin_lock_bh(&tp->lock);
1da177e4 10685 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 10686 spin_unlock_bh(&tp->lock);
1da177e4
LT		 10687
10688 data->val_out = mii_regval;
10689
10690 return err;
10691 }
10692
10693 case SIOCSMIIREG:
10694 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10695 break; /* We have no PHY */
10696
bc1c7567
MC		 10697 if (tp->link_config.phy_is_low_power)
10698 return -EAGAIN;
10699
f47c11ee 10700 spin_lock_bh(&tp->lock);
1da177e4 10701 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 10702 spin_unlock_bh(&tp->lock);
1da177e4
LT		 10703
10704 return err;
10705
10706 default:
10707 /* do nothing */
10708 break;
10709 }
10710 return -EOPNOTSUPP;
10711}
10712
10713#if TG3_VLAN_TAG_USED
10714static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10715{
10716 struct tg3 *tp = netdev_priv(dev);
10717
844b3eed
MC		 10718 if (!netif_running(dev)) {
10719 tp->vlgrp = grp;
10720 return;
10721 }
10722
10723 tg3_netif_stop(tp);
29315e87 10724
f47c11ee 10725 tg3_full_lock(tp, 0);
1da177e4
LT		 10726
10727 tp->vlgrp = grp;
10728
10729 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10730 __tg3_set_rx_mode(dev);
10731
844b3eed 10732 tg3_netif_start(tp);
46966545
MC		 10733
10734 tg3_full_unlock(tp);
1da177e4 10735}
1da177e4
LT		 10736#endif
10737
15f9850d
DM		 10738static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10739{
10740 struct tg3 *tp = netdev_priv(dev);
10741
10742 memcpy(ec, &tp->coal, sizeof(*ec));
10743 return 0;
10744}
10745
d244c892
MC		 10746static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10747{
10748 struct tg3 *tp = netdev_priv(dev);
10749 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10750 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10751
10752 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10753 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10754 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10755 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10756 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10757 }
10758
10759 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10760 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10761 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10762 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10763 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10764 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10765 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10766 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10767 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10768 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10769 return -EINVAL;
10770
10771 /* No rx interrupts will be generated if both are zero */
10772 if ((ec->rx_coalesce_usecs == 0) &&
10773 (ec->rx_max_coalesced_frames == 0))
10774 return -EINVAL;
10775
10776 /* No tx interrupts will be generated if both are zero */
10777 if ((ec->tx_coalesce_usecs == 0) &&
10778 (ec->tx_max_coalesced_frames == 0))
10779 return -EINVAL;
10780
10781 /* Only copy relevant parameters, ignore all others. */
10782 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10783 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10784 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10785 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10786 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10787 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10788 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10789 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10790 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10791
10792 if (netif_running(dev)) {
10793 tg3_full_lock(tp, 0);
10794 __tg3_set_coalesce(tp, &tp->coal);
10795 tg3_full_unlock(tp);
10796 }
10797 return 0;
10798}
10799
7282d491 10800static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 10801 .get_settings = tg3_get_settings,
10802 .set_settings = tg3_set_settings,
10803 .get_drvinfo = tg3_get_drvinfo,
10804 .get_regs_len = tg3_get_regs_len,
10805 .get_regs = tg3_get_regs,
10806 .get_wol = tg3_get_wol,
10807 .set_wol = tg3_set_wol,
10808 .get_msglevel = tg3_get_msglevel,
10809 .set_msglevel = tg3_set_msglevel,
10810 .nway_reset = tg3_nway_reset,
10811 .get_link = ethtool_op_get_link,
10812 .get_eeprom_len = tg3_get_eeprom_len,
10813 .get_eeprom = tg3_get_eeprom,
10814 .set_eeprom = tg3_set_eeprom,
10815 .get_ringparam = tg3_get_ringparam,
10816 .set_ringparam = tg3_set_ringparam,
10817 .get_pauseparam = tg3_get_pauseparam,
10818 .set_pauseparam = tg3_set_pauseparam,
10819 .get_rx_csum = tg3_get_rx_csum,
10820 .set_rx_csum = tg3_set_rx_csum,
1da177e4 10821 .set_tx_csum = tg3_set_tx_csum,
1da177e4 10822 .set_sg = ethtool_op_set_sg,
1da177e4 10823 .set_tso = tg3_set_tso,
4cafd3f5 10824 .self_test = tg3_self_test,
1da177e4 10825 .get_strings = tg3_get_strings,
4009a93d 10826 .phys_id = tg3_phys_id,
1da177e4 10827 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 10828 .get_coalesce = tg3_get_coalesce,
d244c892 10829 .set_coalesce = tg3_set_coalesce,
b9f2c044 10830 .get_sset_count = tg3_get_sset_count,
1da177e4
LT		 10831};
10832
10833static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10834{
1b27777a 10835 u32 cursize, val, magic;
1da177e4
LT		 10836
10837 tp->nvram_size = EEPROM_CHIP_SIZE;
10838
e4f34110 10839 if (tg3_nvram_read(tp, 0, &magic) != 0)
1da177e4
LT		 10840 return;
10841
b16250e3
MC		 10842 if ((magic != TG3_EEPROM_MAGIC) &&
10843 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10844 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 10845 return;
10846
10847 /*
10848 * Size the chip by reading offsets at increasing powers of two.
10849 * When we encounter our validation signature, we know the addressing
10850 * has wrapped around, and thus have our chip size.
10851 */
1b27777a 10852 cursize = 0x10;
1da177e4
LT		 10853
10854 while (cursize < tp->nvram_size) {
e4f34110 10855 if (tg3_nvram_read(tp, cursize, &val) != 0)
1da177e4
LT		 10856 return;
10857
1820180b 10858 if (val == magic)
1da177e4
LT		 10859 break;
10860
10861 cursize <<= 1;
10862 }
10863
10864 tp->nvram_size = cursize;
10865}
6aa20a22 10866
1da177e4
LT		 10867static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10868{
10869 u32 val;
10870
df259d8c
MC		 10871 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
10872 tg3_nvram_read(tp, 0, &val) != 0)
1b27777a
MC		 10873 return;
10874
10875 /* Selfboot format */
1820180b 10876 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 10877 tg3_get_eeprom_size(tp);
10878 return;
10879 }
10880
6d348f2c 10881 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
1da177e4 10882 if (val != 0) {
6d348f2c
MC		 10883 /* This is confusing. We want to operate on the
10884 * 16-bit value at offset 0xf2. The tg3_nvram_read()
10885 * call will read from NVRAM and byteswap the data
10886 * according to the byteswapping settings for all
10887 * other register accesses. This ensures the data we
10888 * want will always reside in the lower 16-bits.
10889 * However, the data in NVRAM is in LE format, which
10890 * means the data from the NVRAM read will always be
10891 * opposite the endianness of the CPU. The 16-bit
10892 * byteswap then brings the data to CPU endianness.
10893 */
10894 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
1da177e4
LT		 10895 return;
10896 }
10897 }
fd1122a2 10898 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
1da177e4
LT		 10899}
10900
10901static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10902{
10903 u32 nvcfg1;
10904
10905 nvcfg1 = tr32(NVRAM_CFG1);
10906 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10907 tp->tg3_flags2 |= TG3_FLG2_FLASH;
8590a603 10908 } else {
1da177e4
LT		 10909 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10910 tw32(NVRAM_CFG1, nvcfg1);
10911 }
10912
4c987487 10913 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 10914 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4 10915 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
8590a603
MC		 10916 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10917 tp->nvram_jedecnum = JEDEC_ATMEL;
10918 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10919 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10920 break;
10921 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10922 tp->nvram_jedecnum = JEDEC_ATMEL;
10923 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10924 break;
10925 case FLASH_VENDOR_ATMEL_EEPROM:
10926 tp->nvram_jedecnum = JEDEC_ATMEL;
10927 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10928 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10929 break;
10930 case FLASH_VENDOR_ST:
10931 tp->nvram_jedecnum = JEDEC_ST;
10932 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10933 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10934 break;
10935 case FLASH_VENDOR_SAIFUN:
10936 tp->nvram_jedecnum = JEDEC_SAIFUN;
10937 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10938 break;
10939 case FLASH_VENDOR_SST_SMALL:
10940 case FLASH_VENDOR_SST_LARGE:
10941 tp->nvram_jedecnum = JEDEC_SST;
10942 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10943 break;
1da177e4 10944 }
8590a603 10945 } else {
1da177e4
LT		 10946 tp->nvram_jedecnum = JEDEC_ATMEL;
10947 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10948 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10949 }
10950}
10951
a1b950d5
MC		 10952static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
10953{
10954 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10955 case FLASH_5752PAGE_SIZE_256:
10956 tp->nvram_pagesize = 256;
10957 break;
10958 case FLASH_5752PAGE_SIZE_512:
10959 tp->nvram_pagesize = 512;
10960 break;
10961 case FLASH_5752PAGE_SIZE_1K:
10962 tp->nvram_pagesize = 1024;
10963 break;
10964 case FLASH_5752PAGE_SIZE_2K:
10965 tp->nvram_pagesize = 2048;
10966 break;
10967 case FLASH_5752PAGE_SIZE_4K:
10968 tp->nvram_pagesize = 4096;
10969 break;
10970 case FLASH_5752PAGE_SIZE_264:
10971 tp->nvram_pagesize = 264;
10972 break;
10973 case FLASH_5752PAGE_SIZE_528:
10974 tp->nvram_pagesize = 528;
10975 break;
10976 }
10977}
10978
361b4ac2
MC		 10979static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
10980{
10981 u32 nvcfg1;
10982
10983 nvcfg1 = tr32(NVRAM_CFG1);
10984
e6af301b
MC		 10985 /* NVRAM protection for TPM */
10986 if (nvcfg1 & (1 << 27))
f66a29b0 10987 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
e6af301b 10988
361b4ac2 10989 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 10990 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
10991 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
10992 tp->nvram_jedecnum = JEDEC_ATMEL;
10993 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10994 break;
10995 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10996 tp->nvram_jedecnum = JEDEC_ATMEL;
10997 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10998 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10999 break;
11000 case FLASH_5752VENDOR_ST_M45PE10:
11001 case FLASH_5752VENDOR_ST_M45PE20:
11002 case FLASH_5752VENDOR_ST_M45PE40:
11003 tp->nvram_jedecnum = JEDEC_ST;
11004 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11005 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11006 break;
361b4ac2
MC		 11007 }
11008
11009 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
a1b950d5 11010 tg3_nvram_get_pagesize(tp, nvcfg1);
8590a603 11011 } else {
361b4ac2
MC		 11012 /* For eeprom, set pagesize to maximum eeprom size */
11013 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11014
11015 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11016 tw32(NVRAM_CFG1, nvcfg1);
11017 }
11018}
11019
d3c7b886
MC		 11020static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11021{
989a9d23 11022 u32 nvcfg1, protect = 0;
d3c7b886
MC		 11023
11024 nvcfg1 = tr32(NVRAM_CFG1);
11025
11026 /* NVRAM protection for TPM */
989a9d23 11027 if (nvcfg1 & (1 << 27)) {
f66a29b0 11028 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
989a9d23
MC		 11029 protect = 1;
11030 }
d3c7b886 11031
989a9d23
MC		 11032 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11033 switch (nvcfg1) {
8590a603
MC		 11034 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11035 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11036 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11037 case FLASH_5755VENDOR_ATMEL_FLASH_5:
11038 tp->nvram_jedecnum = JEDEC_ATMEL;
11039 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11040 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11041 tp->nvram_pagesize = 264;
11042 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11043 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11044 tp->nvram_size = (protect ? 0x3e200 :
11045 TG3_NVRAM_SIZE_512KB);
11046 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11047 tp->nvram_size = (protect ? 0x1f200 :
11048 TG3_NVRAM_SIZE_256KB);
11049 else
11050 tp->nvram_size = (protect ? 0x1f200 :
11051 TG3_NVRAM_SIZE_128KB);
11052 break;
11053 case FLASH_5752VENDOR_ST_M45PE10:
11054 case FLASH_5752VENDOR_ST_M45PE20:
11055 case FLASH_5752VENDOR_ST_M45PE40:
11056 tp->nvram_jedecnum = JEDEC_ST;
11057 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11058 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11059 tp->nvram_pagesize = 256;
11060 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11061 tp->nvram_size = (protect ?
11062 TG3_NVRAM_SIZE_64KB :
11063 TG3_NVRAM_SIZE_128KB);
11064 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11065 tp->nvram_size = (protect ?
11066 TG3_NVRAM_SIZE_64KB :
11067 TG3_NVRAM_SIZE_256KB);
11068 else
11069 tp->nvram_size = (protect ?
11070 TG3_NVRAM_SIZE_128KB :
11071 TG3_NVRAM_SIZE_512KB);
11072 break;
d3c7b886
MC		 11073 }
11074}
11075
1b27777a
MC		 11076static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11077{
11078 u32 nvcfg1;
11079
11080 nvcfg1 = tr32(NVRAM_CFG1);
11081
11082 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 11083 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11084 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11085 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11086 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11087 tp->nvram_jedecnum = JEDEC_ATMEL;
11088 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11089 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
1b27777a 11090
8590a603
MC		 11091 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11092 tw32(NVRAM_CFG1, nvcfg1);
11093 break;
11094 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11095 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11096 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11097 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11098 tp->nvram_jedecnum = JEDEC_ATMEL;
11099 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11100 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11101 tp->nvram_pagesize = 264;
11102 break;
11103 case FLASH_5752VENDOR_ST_M45PE10:
11104 case FLASH_5752VENDOR_ST_M45PE20:
11105 case FLASH_5752VENDOR_ST_M45PE40:
11106 tp->nvram_jedecnum = JEDEC_ST;
11107 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11108 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11109 tp->nvram_pagesize = 256;
11110 break;
1b27777a
MC		 11111 }
11112}
11113
6b91fa02
MC		 11114static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11115{
11116 u32 nvcfg1, protect = 0;
11117
11118 nvcfg1 = tr32(NVRAM_CFG1);
11119
11120 /* NVRAM protection for TPM */
11121 if (nvcfg1 & (1 << 27)) {
f66a29b0 11122 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
6b91fa02
MC		 11123 protect = 1;
11124 }
11125
11126 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11127 switch (nvcfg1) {
8590a603
MC		 11128 case FLASH_5761VENDOR_ATMEL_ADB021D:
11129 case FLASH_5761VENDOR_ATMEL_ADB041D:
11130 case FLASH_5761VENDOR_ATMEL_ADB081D:
11131 case FLASH_5761VENDOR_ATMEL_ADB161D:
11132 case FLASH_5761VENDOR_ATMEL_MDB021D:
11133 case FLASH_5761VENDOR_ATMEL_MDB041D:
11134 case FLASH_5761VENDOR_ATMEL_MDB081D:
11135 case FLASH_5761VENDOR_ATMEL_MDB161D:
11136 tp->nvram_jedecnum = JEDEC_ATMEL;
11137 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11138 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11139 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11140 tp->nvram_pagesize = 256;
11141 break;
11142 case FLASH_5761VENDOR_ST_A_M45PE20:
11143 case FLASH_5761VENDOR_ST_A_M45PE40:
11144 case FLASH_5761VENDOR_ST_A_M45PE80:
11145 case FLASH_5761VENDOR_ST_A_M45PE16:
11146 case FLASH_5761VENDOR_ST_M_M45PE20:
11147 case FLASH_5761VENDOR_ST_M_M45PE40:
11148 case FLASH_5761VENDOR_ST_M_M45PE80:
11149 case FLASH_5761VENDOR_ST_M_M45PE16:
11150 tp->nvram_jedecnum = JEDEC_ST;
11151 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11152 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11153 tp->nvram_pagesize = 256;
11154 break;
6b91fa02
MC		 11155 }
11156
11157 if (protect) {
11158 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11159 } else {
11160 switch (nvcfg1) {
8590a603
MC		 11161 case FLASH_5761VENDOR_ATMEL_ADB161D:
11162 case FLASH_5761VENDOR_ATMEL_MDB161D:
11163 case FLASH_5761VENDOR_ST_A_M45PE16:
11164 case FLASH_5761VENDOR_ST_M_M45PE16:
11165 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11166 break;
11167 case FLASH_5761VENDOR_ATMEL_ADB081D:
11168 case FLASH_5761VENDOR_ATMEL_MDB081D:
11169 case FLASH_5761VENDOR_ST_A_M45PE80:
11170 case FLASH_5761VENDOR_ST_M_M45PE80:
11171 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11172 break;
11173 case FLASH_5761VENDOR_ATMEL_ADB041D:
11174 case FLASH_5761VENDOR_ATMEL_MDB041D:
11175 case FLASH_5761VENDOR_ST_A_M45PE40:
11176 case FLASH_5761VENDOR_ST_M_M45PE40:
11177 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11178 break;
11179 case FLASH_5761VENDOR_ATMEL_ADB021D:
11180 case FLASH_5761VENDOR_ATMEL_MDB021D:
11181 case FLASH_5761VENDOR_ST_A_M45PE20:
11182 case FLASH_5761VENDOR_ST_M_M45PE20:
11183 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11184 break;
6b91fa02
MC		 11185 }
11186 }
11187}
11188
b5d3772c
MC		 11189static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11190{
11191 tp->nvram_jedecnum = JEDEC_ATMEL;
11192 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11193 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11194}
11195
321d32a0
MC		 11196static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11197{
11198 u32 nvcfg1;
11199
11200 nvcfg1 = tr32(NVRAM_CFG1);
11201
11202 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11203 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11204 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11205 tp->nvram_jedecnum = JEDEC_ATMEL;
11206 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11207 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11208
11209 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11210 tw32(NVRAM_CFG1, nvcfg1);
11211 return;
11212 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11213 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11214 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11215 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11216 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11217 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11218 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11219 tp->nvram_jedecnum = JEDEC_ATMEL;
11220 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11221 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11222
11223 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11224 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11225 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11226 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11227 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11228 break;
11229 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11230 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11231 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11232 break;
11233 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11234 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11235 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11236 break;
11237 }
11238 break;
11239 case FLASH_5752VENDOR_ST_M45PE10:
11240 case FLASH_5752VENDOR_ST_M45PE20:
11241 case FLASH_5752VENDOR_ST_M45PE40:
11242 tp->nvram_jedecnum = JEDEC_ST;
11243 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11244 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11245
11246 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11247 case FLASH_5752VENDOR_ST_M45PE10:
11248 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11249 break;
11250 case FLASH_5752VENDOR_ST_M45PE20:
11251 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11252 break;
11253 case FLASH_5752VENDOR_ST_M45PE40:
11254 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11255 break;
11256 }
11257 break;
11258 default:
df259d8c 11259 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
321d32a0
MC		 11260 return;
11261 }
11262
a1b950d5
MC		 11263 tg3_nvram_get_pagesize(tp, nvcfg1);
11264 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
321d32a0 11265 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
a1b950d5
MC		 11266}
11267
11268
11269static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11270{
11271 u32 nvcfg1;
11272
11273 nvcfg1 = tr32(NVRAM_CFG1);
11274
11275 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11276 case FLASH_5717VENDOR_ATMEL_EEPROM:
11277 case FLASH_5717VENDOR_MICRO_EEPROM:
11278 tp->nvram_jedecnum = JEDEC_ATMEL;
11279 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11280 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11281
11282 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11283 tw32(NVRAM_CFG1, nvcfg1);
11284 return;
11285 case FLASH_5717VENDOR_ATMEL_MDB011D:
11286 case FLASH_5717VENDOR_ATMEL_ADB011B:
11287 case FLASH_5717VENDOR_ATMEL_ADB011D:
11288 case FLASH_5717VENDOR_ATMEL_MDB021D:
11289 case FLASH_5717VENDOR_ATMEL_ADB021B:
11290 case FLASH_5717VENDOR_ATMEL_ADB021D:
11291 case FLASH_5717VENDOR_ATMEL_45USPT:
11292 tp->nvram_jedecnum = JEDEC_ATMEL;
11293 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11294 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11295
11296 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11297 case FLASH_5717VENDOR_ATMEL_MDB021D:
11298 case FLASH_5717VENDOR_ATMEL_ADB021B:
11299 case FLASH_5717VENDOR_ATMEL_ADB021D:
11300 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11301 break;
11302 default:
11303 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11304 break;
11305 }
321d32a0 11306 break;
a1b950d5
MC		 11307 case FLASH_5717VENDOR_ST_M_M25PE10:
11308 case FLASH_5717VENDOR_ST_A_M25PE10:
11309 case FLASH_5717VENDOR_ST_M_M45PE10:
11310 case FLASH_5717VENDOR_ST_A_M45PE10:
11311 case FLASH_5717VENDOR_ST_M_M25PE20:
11312 case FLASH_5717VENDOR_ST_A_M25PE20:
11313 case FLASH_5717VENDOR_ST_M_M45PE20:
11314 case FLASH_5717VENDOR_ST_A_M45PE20:
11315 case FLASH_5717VENDOR_ST_25USPT:
11316 case FLASH_5717VENDOR_ST_45USPT:
11317 tp->nvram_jedecnum = JEDEC_ST;
11318 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11319 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11320
11321 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11322 case FLASH_5717VENDOR_ST_M_M25PE20:
11323 case FLASH_5717VENDOR_ST_A_M25PE20:
11324 case FLASH_5717VENDOR_ST_M_M45PE20:
11325 case FLASH_5717VENDOR_ST_A_M45PE20:
11326 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11327 break;
11328 default:
11329 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11330 break;
11331 }
321d32a0 11332 break;
a1b950d5
MC		 11333 default:
11334 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11335 return;
321d32a0 11336 }
a1b950d5
MC		 11337
11338 tg3_nvram_get_pagesize(tp, nvcfg1);
11339 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11340 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
321d32a0
MC		 11341}
11342
1da177e4
LT		 11343/* Chips other than 5700/5701 use the NVRAM for fetching info. */
11344static void __devinit tg3_nvram_init(struct tg3 *tp)
11345{
1da177e4
LT		 11346 tw32_f(GRC_EEPROM_ADDR,
11347 (EEPROM_ADDR_FSM_RESET |
11348 (EEPROM_DEFAULT_CLOCK_PERIOD <<
11349 EEPROM_ADDR_CLKPERD_SHIFT)));
11350
9d57f01c 11351 msleep(1);
1da177e4
LT		 11352
11353 /* Enable seeprom accesses. */
11354 tw32_f(GRC_LOCAL_CTRL,
11355 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11356 udelay(100);
11357
11358 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11359 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11360 tp->tg3_flags |= TG3_FLAG_NVRAM;
11361
ec41c7df
MC		 11362 if (tg3_nvram_lock(tp)) {
11363 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
11364 "tg3_nvram_init failed.\n", tp->dev->name);
11365 return;
11366 }
e6af301b 11367 tg3_enable_nvram_access(tp);
1da177e4 11368
989a9d23
MC		 11369 tp->nvram_size = 0;
11370
361b4ac2
MC		 11371 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11372 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 11373 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11374 tg3_get_5755_nvram_info(tp);
d30cdd28 11375 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
57e6983c
MC		 11376 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11377 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1b27777a 11378 tg3_get_5787_nvram_info(tp);
6b91fa02
MC		 11379 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11380 tg3_get_5761_nvram_info(tp);
b5d3772c
MC		 11381 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11382 tg3_get_5906_nvram_info(tp);
321d32a0
MC		 11383 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11384 tg3_get_57780_nvram_info(tp);
a1b950d5
MC		 11385 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11386 tg3_get_5717_nvram_info(tp);
361b4ac2
MC		 11387 else
11388 tg3_get_nvram_info(tp);
11389
989a9d23
MC		 11390 if (tp->nvram_size == 0)
11391 tg3_get_nvram_size(tp);
1da177e4 11392
e6af301b 11393 tg3_disable_nvram_access(tp);
381291b7 11394 tg3_nvram_unlock(tp);
1da177e4
LT		 11395
11396 } else {
11397 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11398
11399 tg3_get_eeprom_size(tp);
11400 }
11401}
11402
1da177e4
LT		 11403static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11404 u32 offset, u32 len, u8 *buf)
11405{
11406 int i, j, rc = 0;
11407 u32 val;
11408
11409 for (i = 0; i < len; i += 4) {
b9fc7dc5 11410 u32 addr;
a9dc529d 11411 __be32 data;
1da177e4
LT		 11412
11413 addr = offset + i;
11414
11415 memcpy(&data, buf + i, 4);
11416
62cedd11
MC		 11417 /*
11418 * The SEEPROM interface expects the data to always be opposite
11419 * the native endian format. We accomplish this by reversing
11420 * all the operations that would have been performed on the
11421 * data from a call to tg3_nvram_read_be32().
11422 */
11423 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
1da177e4
LT		 11424
11425 val = tr32(GRC_EEPROM_ADDR);
11426 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11427
11428 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11429 EEPROM_ADDR_READ);
11430 tw32(GRC_EEPROM_ADDR, val |
11431 (0 << EEPROM_ADDR_DEVID_SHIFT) |
11432 (addr & EEPROM_ADDR_ADDR_MASK) |
11433 EEPROM_ADDR_START |
11434 EEPROM_ADDR_WRITE);
6aa20a22 11435
9d57f01c 11436 for (j = 0; j < 1000; j++) {
1da177e4
LT		 11437 val = tr32(GRC_EEPROM_ADDR);
11438
11439 if (val & EEPROM_ADDR_COMPLETE)
11440 break;
9d57f01c 11441 msleep(1);
1da177e4
LT		 11442 }
11443 if (!(val & EEPROM_ADDR_COMPLETE)) {
11444 rc = -EBUSY;
11445 break;
11446 }
11447 }
11448
11449 return rc;
11450}
11451
11452/* offset and length are dword aligned */
11453static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11454 u8 *buf)
11455{
11456 int ret = 0;
11457 u32 pagesize = tp->nvram_pagesize;
11458 u32 pagemask = pagesize - 1;
11459 u32 nvram_cmd;
11460 u8 *tmp;
11461
11462 tmp = kmalloc(pagesize, GFP_KERNEL);
11463 if (tmp == NULL)
11464 return -ENOMEM;
11465
11466 while (len) {
11467 int j;
e6af301b 11468 u32 phy_addr, page_off, size;
1da177e4
LT		 11469
11470 phy_addr = offset & ~pagemask;
6aa20a22 11471
1da177e4 11472 for (j = 0; j < pagesize; j += 4) {
a9dc529d
MC		 11473 ret = tg3_nvram_read_be32(tp, phy_addr + j,
11474 (__be32 *) (tmp + j));
11475 if (ret)
1da177e4
LT		 11476 break;
11477 }
11478 if (ret)
11479 break;
11480
11481 page_off = offset & pagemask;
11482 size = pagesize;
11483 if (len < size)
11484 size = len;
11485
11486 len -= size;
11487
11488 memcpy(tmp + page_off, buf, size);
11489
11490 offset = offset + (pagesize - page_off);
11491
e6af301b 11492 tg3_enable_nvram_access(tp);
1da177e4
LT		 11493
11494 /*
11495 * Before we can erase the flash page, we need
11496 * to issue a special "write enable" command.
11497 */
11498 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11499
11500 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11501 break;
11502
11503 /* Erase the target page */
11504 tw32(NVRAM_ADDR, phy_addr);
11505
11506 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11507 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11508
11509 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11510 break;
11511
11512 /* Issue another write enable to start the write. */
11513 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11514
11515 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11516 break;
11517
11518 for (j = 0; j < pagesize; j += 4) {
b9fc7dc5 11519 __be32 data;
1da177e4 11520
b9fc7dc5 11521 data = *((__be32 *) (tmp + j));
a9dc529d 11522
b9fc7dc5 11523 tw32(NVRAM_WRDATA, be32_to_cpu(data));
1da177e4
LT		 11524
11525 tw32(NVRAM_ADDR, phy_addr + j);
11526
11527 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11528 NVRAM_CMD_WR;
11529
11530 if (j == 0)
11531 nvram_cmd |= NVRAM_CMD_FIRST;
11532 else if (j == (pagesize - 4))
11533 nvram_cmd |= NVRAM_CMD_LAST;
11534
11535 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11536 break;
11537 }
11538 if (ret)
11539 break;
11540 }
11541
11542 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11543 tg3_nvram_exec_cmd(tp, nvram_cmd);
11544
11545 kfree(tmp);
11546
11547 return ret;
11548}
11549
11550/* offset and length are dword aligned */
11551static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11552 u8 *buf)
11553{
11554 int i, ret = 0;
11555
11556 for (i = 0; i < len; i += 4, offset += 4) {
b9fc7dc5
AV		 11557 u32 page_off, phy_addr, nvram_cmd;
11558 __be32 data;
1da177e4
LT		 11559
11560 memcpy(&data, buf + i, 4);
b9fc7dc5 11561 tw32(NVRAM_WRDATA, be32_to_cpu(data));
1da177e4
LT		 11562
11563 page_off = offset % tp->nvram_pagesize;
11564
1820180b 11565 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 11566
11567 tw32(NVRAM_ADDR, phy_addr);
11568
11569 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11570
11571 if ((page_off == 0) || (i == 0))
11572 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 11573 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 11574 nvram_cmd |= NVRAM_CMD_LAST;
11575
11576 if (i == (len - 4))
11577 nvram_cmd |= NVRAM_CMD_LAST;
11578
321d32a0
MC		 11579 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11580 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
4c987487
MC		 11581 (tp->nvram_jedecnum == JEDEC_ST) &&
11582 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 11583
11584 if ((ret = tg3_nvram_exec_cmd(tp,
11585 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11586 NVRAM_CMD_DONE)))
11587
11588 break;
11589 }
11590 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11591 /* We always do complete word writes to eeprom. */
11592 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11593 }
11594
11595 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11596 break;
11597 }
11598 return ret;
11599}
11600
11601/* offset and length are dword aligned */
11602static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11603{
11604 int ret;
11605
1da177e4 11606 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 11607 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11608 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 11609 udelay(40);
11610 }
11611
11612 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11613 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11614 }
11615 else {
11616 u32 grc_mode;
11617
ec41c7df
MC		 11618 ret = tg3_nvram_lock(tp);
11619 if (ret)
11620 return ret;
1da177e4 11621
e6af301b
MC		 11622 tg3_enable_nvram_access(tp);
11623 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
f66a29b0 11624 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
1da177e4 11625 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 11626
11627 grc_mode = tr32(GRC_MODE);
11628 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11629
11630 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11631 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11632
11633 ret = tg3_nvram_write_block_buffered(tp, offset, len,
11634 buf);
11635 }
11636 else {
11637 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11638 buf);
11639 }
11640
11641 grc_mode = tr32(GRC_MODE);
11642 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11643
e6af301b 11644 tg3_disable_nvram_access(tp);
1da177e4
LT		 11645 tg3_nvram_unlock(tp);
11646 }
11647
11648 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 11649 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 11650 udelay(40);
11651 }
11652
11653 return ret;
11654}
11655
11656struct subsys_tbl_ent {
11657 u16 subsys_vendor, subsys_devid;
11658 u32 phy_id;
11659};
11660
11661static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
11662 /* Broadcom boards. */
11663 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
11664 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
11665 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
11666 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
11667 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
11668 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
11669 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
11670 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
11671 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
11672 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
11673 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
11674
11675 /* 3com boards. */
11676 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
11677 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
11678 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
11679 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
11680 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
11681
11682 /* DELL boards. */
11683 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
11684 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
11685 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
11686 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
11687
11688 /* Compaq boards. */
11689 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
11690 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
11691 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
11692 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
11693 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
11694
11695 /* IBM boards. */
11696 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
11697};
11698
11699static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
11700{
11701 int i;
11702
11703 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
11704 if ((subsys_id_to_phy_id[i].subsys_vendor ==
11705 tp->pdev->subsystem_vendor) &&
11706 (subsys_id_to_phy_id[i].subsys_devid ==
11707 tp->pdev->subsystem_device))
11708 return &subsys_id_to_phy_id[i];
11709 }
11710 return NULL;
11711}
11712
7d0c41ef 11713static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 11714{
1da177e4 11715 u32 val;
caf636c7
MC		 11716 u16 pmcsr;
11717
11718 /* On some early chips the SRAM cannot be accessed in D3hot state,
11719 * so need make sure we're in D0.
11720 */
11721 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
11722 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
11723 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
11724 msleep(1);
7d0c41ef
MC		 11725
11726 /* Make sure register accesses (indirect or otherwise)
11727 * will function correctly.
11728 */
11729 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11730 tp->misc_host_ctrl);
1da177e4 11731
f49639e6
DM		 11732 /* The memory arbiter has to be enabled in order for SRAM accesses
11733 * to succeed. Normally on powerup the tg3 chip firmware will make
11734 * sure it is enabled, but other entities such as system netboot
11735 * code might disable it.
11736 */
11737 val = tr32(MEMARB_MODE);
11738 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
11739
1da177e4 11740 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 11741 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11742
a85feb8c
GZ		 11743 /* Assume an onboard device and WOL capable by default. */
11744 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
72b845e0 11745
b5d3772c 11746 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 11747 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 11748 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 11749 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11750 }
0527ba35
MC		 11751 val = tr32(VCPU_CFGSHDW);
11752 if (val & VCPU_CFGSHDW_ASPM_DBNC)
8ed5d97e 11753 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
0527ba35 11754 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
2023276e 11755 (val & VCPU_CFGSHDW_WOL_MAGPKT))
0527ba35 11756 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
05ac4cb7 11757 goto done;
b5d3772c
MC		 11758 }
11759
1da177e4
LT		 11760 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11761 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11762 u32 nic_cfg, led_cfg;
a9daf367 11763 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
7d0c41ef 11764 int eeprom_phy_serdes = 0;
1da177e4
LT		 11765
11766 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11767 tp->nic_sram_data_cfg = nic_cfg;
11768
11769 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11770 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11771 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11772 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11773 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11774 (ver > 0) && (ver < 0x100))
11775 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11776
a9daf367
MC		 11777 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11778 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11779
1da177e4
LT		 11780 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11781 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11782 eeprom_phy_serdes = 1;
11783
11784 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11785 if (nic_phy_id != 0) {
11786 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11787 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11788
11789 eeprom_phy_id = (id1 >> 16) << 10;
11790 eeprom_phy_id |= (id2 & 0xfc00) << 16;
11791 eeprom_phy_id |= (id2 & 0x03ff) << 0;
11792 } else
11793 eeprom_phy_id = 0;
11794
7d0c41ef 11795 tp->phy_id = eeprom_phy_id;
747e8f8b 11796 if (eeprom_phy_serdes) {
a4e2b347 11797 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 11798 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11799 else
11800 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11801 }
7d0c41ef 11802
cbf46853 11803 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 11804 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11805 SHASTA_EXT_LED_MODE_MASK);
cbf46853 11806 else
1da177e4
LT		 11807 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11808
11809 switch (led_cfg) {
11810 default:
11811 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11812 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11813 break;
11814
11815 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11816 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11817 break;
11818
11819 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11820 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 11821
11822 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11823 * read on some older 5700/5701 bootcode.
11824 */
11825 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11826 ASIC_REV_5700 ||
11827 GET_ASIC_REV(tp->pci_chip_rev_id) ==
11828 ASIC_REV_5701)
11829 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11830
1da177e4
LT		 11831 break;
11832
11833 case SHASTA_EXT_LED_SHARED:
11834 tp->led_ctrl = LED_CTRL_MODE_SHARED;
11835 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11836 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11837 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11838 LED_CTRL_MODE_PHY_2);
11839 break;
11840
11841 case SHASTA_EXT_LED_MAC:
11842 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11843 break;
11844
11845 case SHASTA_EXT_LED_COMBO:
11846 tp->led_ctrl = LED_CTRL_MODE_COMBO;
11847 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11848 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11849 LED_CTRL_MODE_PHY_2);
11850 break;
11851
855e1111 11852 }
1da177e4
LT		 11853
11854 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11855 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11856 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11857 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11858
b2a5c19c
MC		 11859 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11860 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
5f60891b 11861
9d26e213 11862 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 11863 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 11864 if ((tp->pdev->subsystem_vendor ==
11865 PCI_VENDOR_ID_ARIMA) &&
11866 (tp->pdev->subsystem_device == 0x205a ||
11867 tp->pdev->subsystem_device == 0x2063))
11868 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11869 } else {
f49639e6 11870 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 11871 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11872 }
1da177e4
LT		 11873
11874 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11875 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 11876 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 11877 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11878 }
b2b98d4a
MC		 11879
11880 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11881 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
0d3031d9 11882 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
b2b98d4a 11883
a85feb8c
GZ		 11884 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11885 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11886 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
1da177e4 11887
12dac075 11888 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
05ac4cb7 11889 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
0527ba35
MC		 11890 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11891
1da177e4
LT		 11892 if (cfg2 & (1 << 17))
11893 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11894
11895 /* serdes signal pre-emphasis in register 0x590 set by */
11896 /* bootcode if bit 18 is set */
11897 if (cfg2 & (1 << 18))
11898 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
8ed5d97e 11899
321d32a0
MC		 11900 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11901 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
6833c043
MC		 11902 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11903 tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11904
8ed5d97e
MC		 11905 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11906 u32 cfg3;
11907
11908 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11909 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11910 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11911 }
a9daf367
MC		 11912
11913 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11914 tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11915 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11916 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11917 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11918 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
1da177e4 11919 }
05ac4cb7
MC		 11920done:
11921 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11922 device_set_wakeup_enable(&tp->pdev->dev,
11923 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
7d0c41ef
MC		 11924}
11925
b2a5c19c
MC		 11926static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11927{
11928 int i;
11929 u32 val;
11930
11931 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11932 tw32(OTP_CTRL, cmd);
11933
11934 /* Wait for up to 1 ms for command to execute. */
11935 for (i = 0; i < 100; i++) {
11936 val = tr32(OTP_STATUS);
11937 if (val & OTP_STATUS_CMD_DONE)
11938 break;
11939 udelay(10);
11940 }
11941
11942 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11943}
11944
11945/* Read the gphy configuration from the OTP region of the chip. The gphy
11946 * configuration is a 32-bit value that straddles the alignment boundary.
11947 * We do two 32-bit reads and then shift and merge the results.
11948 */
11949static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11950{
11951 u32 bhalf_otp, thalf_otp;
11952
11953 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
11954
11955 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
11956 return 0;
11957
11958 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
11959
11960 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11961 return 0;
11962
11963 thalf_otp = tr32(OTP_READ_DATA);
11964
11965 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
11966
11967 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11968 return 0;
11969
11970 bhalf_otp = tr32(OTP_READ_DATA);
11971
11972 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
11973}
11974
7d0c41ef
MC		 11975static int __devinit tg3_phy_probe(struct tg3 *tp)
11976{
11977 u32 hw_phy_id_1, hw_phy_id_2;
11978 u32 hw_phy_id, hw_phy_id_masked;
11979 int err;
1da177e4 11980
b02fd9e3
MC		 11981 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
11982 return tg3_phy_init(tp);
11983
1da177e4 11984 /* Reading the PHY ID register can conflict with ASF
877d0310 11985 * firmware access to the PHY hardware.
1da177e4
LT		 11986 */
11987 err = 0;
0d3031d9
MC		 11988 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11989 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
1da177e4
LT		 11990 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
11991 } else {
11992 /* Now read the physical PHY_ID from the chip and verify
11993 * that it is sane. If it doesn't look good, we fall back
11994 * to either the hard-coded table based PHY_ID and failing
11995 * that the value found in the eeprom area.
11996 */
11997 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
11998 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
11999
12000 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
12001 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12002 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
12003
12004 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
12005 }
12006
12007 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
12008 tp->phy_id = hw_phy_id;
12009 if (hw_phy_id_masked == PHY_ID_BCM8002)
12010 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 12011 else
12012 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 12013 } else {
7d0c41ef
MC		 12014 if (tp->phy_id != PHY_ID_INVALID) {
12015 /* Do nothing, phy ID already set up in
12016 * tg3_get_eeprom_hw_cfg().
12017 */
1da177e4
LT		 12018 } else {
12019 struct subsys_tbl_ent *p;
12020
12021 /* No eeprom signature? Try the hardcoded
12022 * subsys device table.
12023 */
12024 p = lookup_by_subsys(tp);
12025 if (!p)
12026 return -ENODEV;
12027
12028 tp->phy_id = p->phy_id;
12029 if (!tp->phy_id ||
12030 tp->phy_id == PHY_ID_BCM8002)
12031 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12032 }
12033 }
12034
747e8f8b 12035 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
0d3031d9 12036 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
1da177e4 12037 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 12038 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 12039
12040 tg3_readphy(tp, MII_BMSR, &bmsr);
12041 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12042 (bmsr & BMSR_LSTATUS))
12043 goto skip_phy_reset;
6aa20a22 12044
1da177e4
LT		 12045 err = tg3_phy_reset(tp);
12046 if (err)
12047 return err;
12048
12049 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12050 ADVERTISE_100HALF | ADVERTISE_100FULL |
12051 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12052 tg3_ctrl = 0;
12053 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12054 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12055 MII_TG3_CTRL_ADV_1000_FULL);
12056 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12057 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12058 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12059 MII_TG3_CTRL_ENABLE_AS_MASTER);
12060 }
12061
3600d918
MC		 12062 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12063 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12064 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12065 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 12066 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12067
12068 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12069 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12070
12071 tg3_writephy(tp, MII_BMCR,
12072 BMCR_ANENABLE | BMCR_ANRESTART);
12073 }
12074 tg3_phy_set_wirespeed(tp);
12075
12076 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12077 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12078 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12079 }
12080
12081skip_phy_reset:
12082 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
12083 err = tg3_init_5401phy_dsp(tp);
12084 if (err)
12085 return err;
12086 }
12087
12088 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
12089 err = tg3_init_5401phy_dsp(tp);
12090 }
12091
747e8f8b 12092 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 12093 tp->link_config.advertising =
12094 (ADVERTISED_1000baseT_Half |
12095 ADVERTISED_1000baseT_Full |
12096 ADVERTISED_Autoneg |
12097 ADVERTISED_FIBRE);
12098 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12099 tp->link_config.advertising &=
12100 ~(ADVERTISED_1000baseT_Half |
12101 ADVERTISED_1000baseT_Full);
12102
12103 return err;
12104}
12105
12106static void __devinit tg3_read_partno(struct tg3 *tp)
12107{
6d348f2c 12108 unsigned char vpd_data[256]; /* in little-endian format */
af2c6a4a 12109 unsigned int i;
1b27777a 12110 u32 magic;
1da177e4 12111
df259d8c
MC		 12112 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12113 tg3_nvram_read(tp, 0x0, &magic))
f49639e6 12114 goto out_not_found;
1da177e4 12115
1820180b 12116 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 12117 for (i = 0; i < 256; i += 4) {
12118 u32 tmp;
1da177e4 12119
6d348f2c
MC		 12120 /* The data is in little-endian format in NVRAM.
12121 * Use the big-endian read routines to preserve
12122 * the byte order as it exists in NVRAM.
12123 */
12124 if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
1b27777a
MC		 12125 goto out_not_found;
12126
6d348f2c 12127 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
1b27777a
MC		 12128 }
12129 } else {
12130 int vpd_cap;
12131
12132 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
12133 for (i = 0; i < 256; i += 4) {
12134 u32 tmp, j = 0;
b9fc7dc5 12135 __le32 v;
1b27777a
MC		 12136 u16 tmp16;
12137
12138 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
12139 i);
12140 while (j++ < 100) {
12141 pci_read_config_word(tp->pdev, vpd_cap +
12142 PCI_VPD_ADDR, &tmp16);
12143 if (tmp16 & 0x8000)
12144 break;
12145 msleep(1);
12146 }
f49639e6
DM		 12147 if (!(tmp16 & 0x8000))
12148 goto out_not_found;
12149
1b27777a
MC		 12150 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
12151 &tmp);
b9fc7dc5 12152 v = cpu_to_le32(tmp);
6d348f2c 12153 memcpy(&vpd_data[i], &v, sizeof(v));
1b27777a 12154 }
1da177e4
LT		 12155 }
12156
12157 /* Now parse and find the part number. */
af2c6a4a 12158 for (i = 0; i < 254; ) {
1da177e4 12159 unsigned char val = vpd_data[i];
af2c6a4a 12160 unsigned int block_end;
1da177e4
LT		 12161
12162 if (val == 0x82 || val == 0x91) {
12163 i = (i + 3 +
12164 (vpd_data[i + 1] +
12165 (vpd_data[i + 2] << 8)));
12166 continue;
12167 }
12168
12169 if (val != 0x90)
12170 goto out_not_found;
12171
12172 block_end = (i + 3 +
12173 (vpd_data[i + 1] +
12174 (vpd_data[i + 2] << 8)));
12175 i += 3;
af2c6a4a
MC		 12176
12177 if (block_end > 256)
12178 goto out_not_found;
12179
12180 while (i < (block_end - 2)) {
1da177e4
LT		 12181 if (vpd_data[i + 0] == 'P' &&
12182 vpd_data[i + 1] == 'N') {
12183 int partno_len = vpd_data[i + 2];
12184
af2c6a4a
MC		 12185 i += 3;
12186 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 12187 goto out_not_found;
12188
12189 memcpy(tp->board_part_number,
af2c6a4a 12190 &vpd_data[i], partno_len);
1da177e4
LT		 12191
12192 /* Success. */
12193 return;
12194 }
af2c6a4a 12195 i += 3 + vpd_data[i + 2];
1da177e4
LT		 12196 }
12197
12198 /* Part number not found. */
12199 goto out_not_found;
12200 }
12201
12202out_not_found:
b5d3772c
MC		 12203 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12204 strcpy(tp->board_part_number, "BCM95906");
df259d8c
MC		 12205 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12206 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12207 strcpy(tp->board_part_number, "BCM57780");
12208 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12209 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12210 strcpy(tp->board_part_number, "BCM57760");
12211 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12212 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12213 strcpy(tp->board_part_number, "BCM57790");
5e7ccf20
MC		 12214 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12215 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12216 strcpy(tp->board_part_number, "BCM57788");
b5d3772c
MC		 12217 else
12218 strcpy(tp->board_part_number, "none");
1da177e4
LT		 12219}
12220
9c8a620e
MC		 12221static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12222{
12223 u32 val;
12224
e4f34110 12225 if (tg3_nvram_read(tp, offset, &val) ||
9c8a620e 12226 (val & 0xfc000000) != 0x0c000000 ||
e4f34110 12227 tg3_nvram_read(tp, offset + 4, &val) ||
9c8a620e
MC		 12228 val != 0)
12229 return 0;
12230
12231 return 1;
12232}
12233
acd9c119
MC		 12234static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12235{
ff3a7cb2 12236 u32 val, offset, start, ver_offset;
acd9c119 12237 int i;
ff3a7cb2 12238 bool newver = false;
acd9c119
MC		 12239
12240 if (tg3_nvram_read(tp, 0xc, &offset) ||
12241 tg3_nvram_read(tp, 0x4, &start))
12242 return;
12243
12244 offset = tg3_nvram_logical_addr(tp, offset);
12245
ff3a7cb2 12246 if (tg3_nvram_read(tp, offset, &val))
acd9c119
MC		 12247 return;
12248
ff3a7cb2
MC		 12249 if ((val & 0xfc000000) == 0x0c000000) {
12250 if (tg3_nvram_read(tp, offset + 4, &val))
acd9c119
MC		 12251 return;
12252
ff3a7cb2
MC		 12253 if (val == 0)
12254 newver = true;
12255 }
12256
12257 if (newver) {
12258 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12259 return;
12260
12261 offset = offset + ver_offset - start;
12262 for (i = 0; i < 16; i += 4) {
12263 __be32 v;
12264 if (tg3_nvram_read_be32(tp, offset + i, &v))
12265 return;
12266
12267 memcpy(tp->fw_ver + i, &v, sizeof(v));
12268 }
12269 } else {
12270 u32 major, minor;
12271
12272 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12273 return;
12274
12275 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12276 TG3_NVM_BCVER_MAJSFT;
12277 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12278 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
acd9c119
MC		 12279 }
12280}
12281
a6f6cb1c
MC		 12282static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12283{
12284 u32 val, major, minor;
12285
12286 /* Use native endian representation */
12287 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12288 return;
12289
12290 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12291 TG3_NVM_HWSB_CFG1_MAJSFT;
12292 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12293 TG3_NVM_HWSB_CFG1_MINSFT;
12294
12295 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12296}
12297
dfe00d7d
MC		 12298static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12299{
12300 u32 offset, major, minor, build;
12301
12302 tp->fw_ver[0] = 's';
12303 tp->fw_ver[1] = 'b';
12304 tp->fw_ver[2] = '\0';
12305
12306 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12307 return;
12308
12309 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12310 case TG3_EEPROM_SB_REVISION_0:
12311 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12312 break;
12313 case TG3_EEPROM_SB_REVISION_2:
12314 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12315 break;
12316 case TG3_EEPROM_SB_REVISION_3:
12317 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12318 break;
12319 default:
12320 return;
12321 }
12322
e4f34110 12323 if (tg3_nvram_read(tp, offset, &val))
dfe00d7d
MC		 12324 return;
12325
12326 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12327 TG3_EEPROM_SB_EDH_BLD_SHFT;
12328 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12329 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12330 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
12331
12332 if (minor > 99 || build > 26)
12333 return;
12334
12335 snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12336
12337 if (build > 0) {
12338 tp->fw_ver[8] = 'a' + build - 1;
12339 tp->fw_ver[9] = '\0';
12340 }
12341}
12342
acd9c119 12343static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
c4e6575c
MC		 12344{
12345 u32 val, offset, start;
acd9c119 12346 int i, vlen;
9c8a620e
MC		 12347
12348 for (offset = TG3_NVM_DIR_START;
12349 offset < TG3_NVM_DIR_END;
12350 offset += TG3_NVM_DIRENT_SIZE) {
e4f34110 12351 if (tg3_nvram_read(tp, offset, &val))
c4e6575c
MC		 12352 return;
12353
9c8a620e
MC		 12354 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12355 break;
12356 }
12357
12358 if (offset == TG3_NVM_DIR_END)
12359 return;
12360
12361 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12362 start = 0x08000000;
e4f34110 12363 else if (tg3_nvram_read(tp, offset - 4, &start))
9c8a620e
MC		 12364 return;
12365
e4f34110 12366 if (tg3_nvram_read(tp, offset + 4, &offset) ||
9c8a620e 12367 !tg3_fw_img_is_valid(tp, offset) ||
e4f34110 12368 tg3_nvram_read(tp, offset + 8, &val))
9c8a620e
MC		 12369 return;
12370
12371 offset += val - start;
12372
acd9c119 12373 vlen = strlen(tp->fw_ver);
9c8a620e 12374
acd9c119
MC		 12375 tp->fw_ver[vlen++] = ',';
12376 tp->fw_ver[vlen++] = ' ';
9c8a620e
MC		 12377
12378 for (i = 0; i < 4; i++) {
a9dc529d
MC		 12379 __be32 v;
12380 if (tg3_nvram_read_be32(tp, offset, &v))
c4e6575c
MC		 12381 return;
12382
b9fc7dc5 12383 offset += sizeof(v);
c4e6575c 12384
acd9c119
MC		 12385 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12386 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
9c8a620e 12387 break;
c4e6575c 12388 }
9c8a620e 12389
acd9c119
MC		 12390 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12391 vlen += sizeof(v);
c4e6575c 12392 }
acd9c119
MC		 12393}
12394
7fd76445
MC		 12395static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12396{
12397 int vlen;
12398 u32 apedata;
12399
12400 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12401 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
12402 return;
12403
12404 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12405 if (apedata != APE_SEG_SIG_MAGIC)
12406 return;
12407
12408 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12409 if (!(apedata & APE_FW_STATUS_READY))
12410 return;
12411
12412 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12413
12414 vlen = strlen(tp->fw_ver);
12415
12416 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12417 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12418 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12419 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12420 (apedata & APE_FW_VERSION_BLDMSK));
12421}
12422
acd9c119
MC		 12423static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12424{
12425 u32 val;
12426
df259d8c
MC		 12427 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12428 tp->fw_ver[0] = 's';
12429 tp->fw_ver[1] = 'b';
12430 tp->fw_ver[2] = '\0';
12431
12432 return;
12433 }
12434
acd9c119
MC		 12435 if (tg3_nvram_read(tp, 0, &val))
12436 return;
12437
12438 if (val == TG3_EEPROM_MAGIC)
12439 tg3_read_bc_ver(tp);
12440 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12441 tg3_read_sb_ver(tp, val);
a6f6cb1c
MC		 12442 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12443 tg3_read_hwsb_ver(tp);
acd9c119
MC		 12444 else
12445 return;
12446
12447 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12448 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12449 return;
12450
12451 tg3_read_mgmtfw_ver(tp);
9c8a620e
MC		 12452
12453 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
c4e6575c
MC		 12454}
12455
7544b097
MC		 12456static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12457
1da177e4
LT		 12458static int __devinit tg3_get_invariants(struct tg3 *tp)
12459{
12460 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 12461 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12462 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 12463 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12464 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 12465 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12466 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 12467 { },
12468 };
12469 u32 misc_ctrl_reg;
1da177e4
LT		 12470 u32 pci_state_reg, grc_misc_cfg;
12471 u32 val;
12472 u16 pci_cmd;
5e7dfd0f 12473 int err;
1da177e4 12474
1da177e4
LT		 12475 /* Force memory write invalidate off. If we leave it on,
12476 * then on 5700_BX chips we have to enable a workaround.
12477 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12478 * to match the cacheline size. The Broadcom driver have this
12479 * workaround but turns MWI off all the times so never uses
12480 * it. This seems to suggest that the workaround is insufficient.
12481 */
12482 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12483 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12484 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12485
12486 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12487 * has the register indirect write enable bit set before
12488 * we try to access any of the MMIO registers. It is also
12489 * critical that the PCI-X hw workaround situation is decided
12490 * before that as well.
12491 */
12492 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12493 &misc_ctrl_reg);
12494
12495 tp->pci_chip_rev_id = (misc_ctrl_reg >>
12496 MISC_HOST_CTRL_CHIPREV_SHIFT);
795d01c5
MC		 12497 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12498 u32 prod_id_asic_rev;
12499
f6eb9b1f
MC		 12500 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717C ||
12501 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717S ||
12502 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718C ||
12503 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718S)
12504 pci_read_config_dword(tp->pdev,
12505 TG3PCI_GEN2_PRODID_ASICREV,
12506 &prod_id_asic_rev);
12507 else
12508 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12509 &prod_id_asic_rev);
12510
321d32a0 12511 tp->pci_chip_rev_id = prod_id_asic_rev;
795d01c5 12512 }
1da177e4 12513
ff645bec
MC		 12514 /* Wrong chip ID in 5752 A0. This code can be removed later
12515 * as A0 is not in production.
12516 */
12517 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12518 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12519
6892914f
MC		 12520 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12521 * we need to disable memory and use config. cycles
12522 * only to access all registers. The 5702/03 chips
12523 * can mistakenly decode the special cycles from the
12524 * ICH chipsets as memory write cycles, causing corruption
12525 * of register and memory space. Only certain ICH bridges
12526 * will drive special cycles with non-zero data during the
12527 * address phase which can fall within the 5703's address
12528 * range. This is not an ICH bug as the PCI spec allows
12529 * non-zero address during special cycles. However, only
12530 * these ICH bridges are known to drive non-zero addresses
12531 * during special cycles.
12532 *
12533 * Since special cycles do not cross PCI bridges, we only
12534 * enable this workaround if the 5703 is on the secondary
12535 * bus of these ICH bridges.
12536 */
12537 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12538 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12539 static struct tg3_dev_id {
12540 u32 vendor;
12541 u32 device;
12542 u32 rev;
12543 } ich_chipsets[] = {
12544 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12545 PCI_ANY_ID },
12546 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12547 PCI_ANY_ID },
12548 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12549 0xa },
12550 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12551 PCI_ANY_ID },
12552 { },
12553 };
12554 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12555 struct pci_dev *bridge = NULL;
12556
12557 while (pci_id->vendor != 0) {
12558 bridge = pci_get_device(pci_id->vendor, pci_id->device,
12559 bridge);
12560 if (!bridge) {
12561 pci_id++;
12562 continue;
12563 }
12564 if (pci_id->rev != PCI_ANY_ID) {
44c10138 12565 if (bridge->revision > pci_id->rev)
6892914f
MC		 12566 continue;
12567 }
12568 if (bridge->subordinate &&
12569 (bridge->subordinate->number ==
12570 tp->pdev->bus->number)) {
12571
12572 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12573 pci_dev_put(bridge);
12574 break;
12575 }
12576 }
12577 }
12578
41588ba1
MC		 12579 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12580 static struct tg3_dev_id {
12581 u32 vendor;
12582 u32 device;
12583 } bridge_chipsets[] = {
12584 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12585 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12586 { },
12587 };
12588 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12589 struct pci_dev *bridge = NULL;
12590
12591 while (pci_id->vendor != 0) {
12592 bridge = pci_get_device(pci_id->vendor,
12593 pci_id->device,
12594 bridge);
12595 if (!bridge) {
12596 pci_id++;
12597 continue;
12598 }
12599 if (bridge->subordinate &&
12600 (bridge->subordinate->number <=
12601 tp->pdev->bus->number) &&
12602 (bridge->subordinate->subordinate >=
12603 tp->pdev->bus->number)) {
12604 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12605 pci_dev_put(bridge);
12606 break;
12607 }
12608 }
12609 }
12610
4a29cc2e
MC		 12611 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12612 * DMA addresses > 40-bit. This bridge may have other additional
12613 * 57xx devices behind it in some 4-port NIC designs for example.
12614 * Any tg3 device found behind the bridge will also need the 40-bit
12615 * DMA workaround.
12616 */
a4e2b347
MC		 12617 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12618 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12619 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 12620 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 12621 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 12622 }
4a29cc2e
MC		 12623 else {
12624 struct pci_dev *bridge = NULL;
12625
12626 do {
12627 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12628 PCI_DEVICE_ID_SERVERWORKS_EPB,
12629 bridge);
12630 if (bridge && bridge->subordinate &&
12631 (bridge->subordinate->number <=
12632 tp->pdev->bus->number) &&
12633 (bridge->subordinate->subordinate >=
12634 tp->pdev->bus->number)) {
12635 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12636 pci_dev_put(bridge);
12637 break;
12638 }
12639 } while (bridge);
12640 }
4cf78e4f 12641
1da177e4
LT		 12642 /* Initialize misc host control in PCI block. */
12643 tp->misc_host_ctrl |= (misc_ctrl_reg &
12644 MISC_HOST_CTRL_CHIPREV);
12645 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12646 tp->misc_host_ctrl);
12647
f6eb9b1f
MC		 12648 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
12649 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
12650 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7544b097
MC		 12651 tp->pdev_peer = tg3_find_peer(tp);
12652
321d32a0
MC		 12653 /* Intentionally exclude ASIC_REV_5906 */
12654 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 12655 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
d30cdd28 12656 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9936bcf6 12657 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c 12658 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
f6eb9b1f
MC		 12659 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12660 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
321d32a0
MC		 12661 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
12662
12663 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12664 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
b5d3772c 12665 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
321d32a0 12666 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
a4e2b347 12667 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 12668 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
12669
1b440c56
JL		 12670 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
12671 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12672 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
12673
027455ad
MC		 12674 /* 5700 B0 chips do not support checksumming correctly due
12675 * to hardware bugs.
12676 */
12677 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
12678 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
12679 else {
12680 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12681 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12682 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
12683 tp->dev->features |= NETIF_F_IPV6_CSUM;
12684 }
12685
507399f1 12686 /* Determine TSO capabilities */
e849cdc3
MC		 12687 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12688 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
12689 else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12690 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
507399f1
MC		 12691 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
12692 else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12693 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
12694 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
12695 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
12696 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
12697 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12698 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12699 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
12700 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
12701 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
12702 tp->fw_needed = FIRMWARE_TG3TSO5;
12703 else
12704 tp->fw_needed = FIRMWARE_TG3TSO;
12705 }
12706
12707 tp->irq_max = 1;
12708
5a6f3074 12709 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7544b097
MC		 12710 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
12711 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
12712 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
12713 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
12714 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
12715 tp->pdev_peer == tp->pdev))
12716 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
12717
321d32a0 12718 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
b5d3772c 12719 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
fcfa0a32 12720 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83 12721 }
4f125f42 12722
507399f1
MC		 12723 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
12724 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
12725 tp->irq_max = TG3_IRQ_MAX_VECS;
12726 }
f6eb9b1f 12727 }
0e1406dd 12728
615774fe
MC		 12729 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
12730 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12731 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
12732 else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
12733 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
12734 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
0e1406dd 12735 }
f6eb9b1f 12736
f51f3562 12737 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
f6eb9b1f
MC		 12738 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12739 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
8f666b07 12740 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
0f893dc6 12741
52f4490c
MC		 12742 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12743 &pci_state_reg);
12744
5e7dfd0f
MC		 12745 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
12746 if (tp->pcie_cap != 0) {
12747 u16 lnkctl;
12748
1da177e4 12749 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
5f5c51e3
MC		 12750
12751 pcie_set_readrq(tp->pdev, 4096);
12752
5e7dfd0f
MC		 12753 pci_read_config_word(tp->pdev,
12754 tp->pcie_cap + PCI_EXP_LNKCTL,
12755 &lnkctl);
12756 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
12757 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
c7835a77 12758 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
5e7dfd0f 12759 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
321d32a0 12760 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9cf74ebb
MC		 12761 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
12762 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
5e7dfd0f 12763 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
c7835a77 12764 }
52f4490c 12765 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
fcb389df 12766 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
52f4490c
MC		 12767 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12768 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12769 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
12770 if (!tp->pcix_cap) {
12771 printk(KERN_ERR PFX "Cannot find PCI-X "
12772 "capability, aborting.\n");
12773 return -EIO;
12774 }
12775
12776 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
12777 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
12778 }
1da177e4 12779
399de50b
MC		 12780 /* If we have an AMD 762 or VIA K8T800 chipset, write
12781 * reordering to the mailbox registers done by the host
12782 * controller can cause major troubles. We read back from
12783 * every mailbox register write to force the writes to be
12784 * posted to the chip in order.
12785 */
12786 if (pci_dev_present(write_reorder_chipsets) &&
12787 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12788 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
12789
69fc4053
MC		 12790 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
12791 &tp->pci_cacheline_sz);
12792 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12793 &tp->pci_lat_timer);
1da177e4
LT		 12794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12795 tp->pci_lat_timer < 64) {
12796 tp->pci_lat_timer = 64;
69fc4053
MC		 12797 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12798 tp->pci_lat_timer);
1da177e4
LT		 12799 }
12800
52f4490c
MC		 12801 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
12802 /* 5700 BX chips need to have their TX producer index
12803 * mailboxes written twice to workaround a bug.
12804 */
12805 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
1da177e4 12806
52f4490c 12807 /* If we are in PCI-X mode, enable register write workaround.
1da177e4
LT		 12808 *
12809 * The workaround is to use indirect register accesses
12810 * for all chip writes not to mailbox registers.
12811 */
52f4490c 12812 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
1da177e4 12813 u32 pm_reg;
1da177e4
LT		 12814
12815 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12816
12817 /* The chip can have it's power management PCI config
12818 * space registers clobbered due to this bug.
12819 * So explicitly force the chip into D0 here.
12820 */
9974a356
MC		 12821 pci_read_config_dword(tp->pdev,
12822 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 12823 &pm_reg);
12824 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12825 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
9974a356
MC		 12826 pci_write_config_dword(tp->pdev,
12827 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 12828 pm_reg);
12829
12830 /* Also, force SERR#/PERR# in PCI command. */
12831 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12832 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12833 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12834 }
12835 }
12836
1da177e4
LT		 12837 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12838 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12839 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12840 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12841
12842 /* Chip-specific fixup from Broadcom driver */
12843 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12844 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12845 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12846 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12847 }
12848
1ee582d8 12849 /* Default fast path register access methods */
20094930 12850 tp->read32 = tg3_read32;
1ee582d8 12851 tp->write32 = tg3_write32;
09ee929c 12852 tp->read32_mbox = tg3_read32;
20094930 12853 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 12854 tp->write32_tx_mbox = tg3_write32;
12855 tp->write32_rx_mbox = tg3_write32;
12856
12857 /* Various workaround register access methods */
12858 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12859 tp->write32 = tg3_write_indirect_reg32;
98efd8a6
MC		 12860 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12861 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12862 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12863 /*
12864 * Back to back register writes can cause problems on these
12865 * chips, the workaround is to read back all reg writes
12866 * except those to mailbox regs.
12867 *
12868 * See tg3_write_indirect_reg32().
12869 */
1ee582d8 12870 tp->write32 = tg3_write_flush_reg32;
98efd8a6
MC		 12871 }
12872
1ee582d8
MC		 12873 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12874 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12875 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12876 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12877 tp->write32_rx_mbox = tg3_write_flush_reg32;
12878 }
20094930 12879
6892914f
MC		 12880 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12881 tp->read32 = tg3_read_indirect_reg32;
12882 tp->write32 = tg3_write_indirect_reg32;
12883 tp->read32_mbox = tg3_read_indirect_mbox;
12884 tp->write32_mbox = tg3_write_indirect_mbox;
12885 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12886 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12887
12888 iounmap(tp->regs);
22abe310 12889 tp->regs = NULL;
6892914f
MC		 12890
12891 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12892 pci_cmd &= ~PCI_COMMAND_MEMORY;
12893 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12894 }
b5d3772c
MC		 12895 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12896 tp->read32_mbox = tg3_read32_mbox_5906;
12897 tp->write32_mbox = tg3_write32_mbox_5906;
12898 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12899 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12900 }
6892914f 12901
bbadf503
MC		 12902 if (tp->write32 == tg3_write_indirect_reg32 ||
12903 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12904 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 12905 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 12906 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12907
7d0c41ef 12908 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 12909 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 12910 * determined before calling tg3_set_power_state() so that
12911 * we know whether or not to switch out of Vaux power.
12912 * When the flag is set, it means that GPIO1 is used for eeprom
12913 * write protect and also implies that it is a LOM where GPIOs
12914 * are not used to switch power.
6aa20a22 12915 */
7d0c41ef
MC		 12916 tg3_get_eeprom_hw_cfg(tp);
12917
0d3031d9
MC		 12918 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12919 /* Allow reads and writes to the
12920 * APE register and memory space.
12921 */
12922 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12923 PCISTATE_ALLOW_APE_SHMEM_WR;
12924 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12925 pci_state_reg);
12926 }
12927
9936bcf6 12928 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
57e6983c 12929 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
321d32a0 12930 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
f6eb9b1f
MC		 12931 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12932 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
d30cdd28
MC		 12933 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12934
314fba34
MC		 12935 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12936 * GPIO1 driven high will bring 5700's external PHY out of reset.
12937 * It is also used as eeprom write protect on LOMs.
12938 */
12939 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12940 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12941 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12942 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12943 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 12944 /* Unused GPIO3 must be driven as output on 5752 because there
12945 * are no pull-up resistors on unused GPIO pins.
12946 */
12947 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12948 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 12949
321d32a0
MC		 12950 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12951 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
af36e6b6
MC		 12952 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12953
8d519ab2
MC		 12954 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
12955 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
5f0c4a3c
MC		 12956 /* Turn off the debug UART. */
12957 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12958 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
12959 /* Keep VMain power. */
12960 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
12961 GRC_LCLCTRL_GPIO_OUTPUT0;
12962 }
12963
1da177e4 12964 /* Force the chip into D0. */
bc1c7567 12965 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 12966 if (err) {
12967 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
12968 pci_name(tp->pdev));
12969 return err;
12970 }
12971
1da177e4
LT		 12972 /* Derive initial jumbo mode from MTU assigned in
12973 * ether_setup() via the alloc_etherdev() call
12974 */
0f893dc6 12975 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 12976 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 12977 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 12978
12979 /* Determine WakeOnLan speed to use. */
12980 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12981 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12982 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
12983 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
12984 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
12985 } else {
12986 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
12987 }
12988
7f97a4bd
MC		 12989 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12990 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
12991
1da177e4
LT		 12992 /* A few boards don't want Ethernet@WireSpeed phy feature */
12993 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12994 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
12995 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 12996 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
7f97a4bd 12997 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
747e8f8b 12998 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 12999 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13000
13001 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13002 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13003 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13004 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13005 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13006
321d32a0 13007 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7f97a4bd 13008 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
321d32a0 13009 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
f6eb9b1f
MC		 13010 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13011 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
c424cb24 13012 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 13013 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 13014 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13015 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
d4011ada
MC		 13016 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13017 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13018 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 13019 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13020 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
321d32a0 13021 } else
c424cb24
MC		 13022 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13023 }
1da177e4 13024
b2a5c19c
MC		 13025 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13026 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13027 tp->phy_otp = tg3_read_otp_phycfg(tp);
13028 if (tp->phy_otp == 0)
13029 tp->phy_otp = TG3_OTP_DEFAULT;
13030 }
13031
f51f3562 13032 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
8ef21428
MC		 13033 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13034 else
13035 tp->mi_mode = MAC_MI_MODE_BASE;
13036
1da177e4 13037 tp->coalesce_mode = 0;
1da177e4
LT		 13038 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13039 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13040 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13041
321d32a0
MC		 13042 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13043 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
57e6983c
MC		 13044 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13045
158d7abd
MC		 13046 err = tg3_mdio_init(tp);
13047 if (err)
13048 return err;
1da177e4
LT		 13049
13050 /* Initialize data/descriptor byte/word swapping. */
13051 val = tr32(GRC_MODE);
13052 val &= GRC_MODE_HOST_STACKUP;
13053 tw32(GRC_MODE, val | tp->grc_mode);
13054
13055 tg3_switch_clocks(tp);
13056
13057 /* Clear this out for sanity. */
13058 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13059
13060 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13061 &pci_state_reg);
13062 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13063 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13064 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13065
13066 if (chiprevid == CHIPREV_ID_5701_A0 ||
13067 chiprevid == CHIPREV_ID_5701_B0 ||
13068 chiprevid == CHIPREV_ID_5701_B2 ||
13069 chiprevid == CHIPREV_ID_5701_B5) {
13070 void __iomem *sram_base;
13071
13072 /* Write some dummy words into the SRAM status block
13073 * area, see if it reads back correctly. If the return
13074 * value is bad, force enable the PCIX workaround.
13075 */
13076 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13077
13078 writel(0x00000000, sram_base);
13079 writel(0x00000000, sram_base + 4);
13080 writel(0xffffffff, sram_base + 4);
13081 if (readl(sram_base) != 0x00000000)
13082 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13083 }
13084 }
13085
13086 udelay(50);
13087 tg3_nvram_init(tp);
13088
13089 grc_misc_cfg = tr32(GRC_MISC_CFG);
13090 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13091
1da177e4
LT		 13092 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13093 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13094 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13095 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13096
fac9b83e
DM		 13097 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13098 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13099 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13100 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13101 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13102 HOSTCC_MODE_CLRTICK_TXBD);
13103
13104 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13105 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13106 tp->misc_host_ctrl);
13107 }
13108
3bda1258
MC		 13109 /* Preserve the APE MAC_MODE bits */
13110 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13111 tp->mac_mode = tr32(MAC_MODE) |
13112 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13113 else
13114 tp->mac_mode = TG3_DEF_MAC_MODE;
13115
1da177e4
LT		 13116 /* these are limited to 10/100 only */
13117 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13118 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13119 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13120 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13121 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13122 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13123 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13124 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13125 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 13126 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13127 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
321d32a0 13128 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
7f97a4bd 13129 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
1da177e4
LT		 13130 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13131
13132 err = tg3_phy_probe(tp);
13133 if (err) {
13134 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
13135 pci_name(tp->pdev), err);
13136 /* ... but do not return immediately ... */
b02fd9e3 13137 tg3_mdio_fini(tp);
1da177e4
LT		 13138 }
13139
13140 tg3_read_partno(tp);
c4e6575c 13141 tg3_read_fw_ver(tp);
1da177e4
LT		 13142
13143 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13144 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13145 } else {
13146 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13147 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13148 else
13149 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13150 }
13151
13152 /* 5700 {AX,BX} chips have a broken status block link
13153 * change bit implementation, so we must use the
13154 * status register in those cases.
13155 */
13156 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13157 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13158 else
13159 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13160
13161 /* The led_ctrl is set during tg3_phy_probe, here we might
13162 * have to force the link status polling mechanism based
13163 * upon subsystem IDs.
13164 */
13165 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
007a880d 13166 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
1da177e4
LT		 13167 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13168 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13169 TG3_FLAG_USE_LINKCHG_REG);
13170 }
13171
13172 /* For all SERDES we poll the MAC status register. */
13173 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13174 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13175 else
13176 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13177
ad829268 13178 tp->rx_offset = NET_IP_ALIGN;
1da177e4
LT		 13179 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13180 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13181 tp->rx_offset = 0;
13182
f92905de
MC		 13183 tp->rx_std_max_post = TG3_RX_RING_SIZE;
13184
13185 /* Increment the rx prod index on the rx std ring by at most
13186 * 8 for these chips to workaround hw errata.
13187 */
13188 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13189 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13190 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13191 tp->rx_std_max_post = 8;
13192
8ed5d97e
MC		 13193 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13194 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13195 PCIE_PWR_MGMT_L1_THRESH_MSK;
13196
1da177e4
LT		 13197 return err;
13198}
13199
49b6e95f 13200#ifdef CONFIG_SPARC
1da177e4
LT		 13201static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13202{
13203 struct net_device *dev = tp->dev;
13204 struct pci_dev *pdev = tp->pdev;
49b6e95f 13205 struct device_node *dp = pci_device_to_OF_node(pdev);
374d4cac 13206 const unsigned char *addr;
49b6e95f
DM		 13207 int len;
13208
13209 addr = of_get_property(dp, "local-mac-address", &len);
13210 if (addr && len == 6) {
13211 memcpy(dev->dev_addr, addr, 6);
13212 memcpy(dev->perm_addr, dev->dev_addr, 6);
13213 return 0;
1da177e4
LT		 13214 }
13215 return -ENODEV;
13216}
13217
13218static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13219{
13220 struct net_device *dev = tp->dev;
13221
13222 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 13223 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 13224 return 0;
13225}
13226#endif
13227
13228static int __devinit tg3_get_device_address(struct tg3 *tp)
13229{
13230 struct net_device *dev = tp->dev;
13231 u32 hi, lo, mac_offset;
008652b3 13232 int addr_ok = 0;
1da177e4 13233
49b6e95f 13234#ifdef CONFIG_SPARC
1da177e4
LT		 13235 if (!tg3_get_macaddr_sparc(tp))
13236 return 0;
13237#endif
13238
13239 mac_offset = 0x7c;
f49639e6 13240 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 13241 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 13242 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13243 mac_offset = 0xcc;
13244 if (tg3_nvram_lock(tp))
13245 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13246 else
13247 tg3_nvram_unlock(tp);
a1b950d5
MC		 13248 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13249 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13250 mac_offset = 0xcc;
13251 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
b5d3772c 13252 mac_offset = 0x10;
1da177e4
LT		 13253
13254 /* First try to get it from MAC address mailbox. */
13255 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13256 if ((hi >> 16) == 0x484b) {
13257 dev->dev_addr[0] = (hi >> 8) & 0xff;
13258 dev->dev_addr[1] = (hi >> 0) & 0xff;
13259
13260 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13261 dev->dev_addr[2] = (lo >> 24) & 0xff;
13262 dev->dev_addr[3] = (lo >> 16) & 0xff;
13263 dev->dev_addr[4] = (lo >> 8) & 0xff;
13264 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 13265
008652b3
MC		 13266 /* Some old bootcode may report a 0 MAC address in SRAM */
13267 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13268 }
13269 if (!addr_ok) {
13270 /* Next, try NVRAM. */
df259d8c
MC		 13271 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13272 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
6d348f2c 13273 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
62cedd11
MC		 13274 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13275 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
008652b3
MC		 13276 }
13277 /* Finally just fetch it out of the MAC control regs. */
13278 else {
13279 hi = tr32(MAC_ADDR_0_HIGH);
13280 lo = tr32(MAC_ADDR_0_LOW);
13281
13282 dev->dev_addr[5] = lo & 0xff;
13283 dev->dev_addr[4] = (lo >> 8) & 0xff;
13284 dev->dev_addr[3] = (lo >> 16) & 0xff;
13285 dev->dev_addr[2] = (lo >> 24) & 0xff;
13286 dev->dev_addr[1] = hi & 0xff;
13287 dev->dev_addr[0] = (hi >> 8) & 0xff;
13288 }
1da177e4
LT		 13289 }
13290
13291 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
7582a335 13292#ifdef CONFIG_SPARC
1da177e4
LT		 13293 if (!tg3_get_default_macaddr_sparc(tp))
13294 return 0;
13295#endif
13296 return -EINVAL;
13297 }
2ff43697 13298 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 13299 return 0;
13300}
13301
59e6b434
DM		 13302#define BOUNDARY_SINGLE_CACHELINE 1
13303#define BOUNDARY_MULTI_CACHELINE 2
13304
13305static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13306{
13307 int cacheline_size;
13308 u8 byte;
13309 int goal;
13310
13311 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13312 if (byte == 0)
13313 cacheline_size = 1024;
13314 else
13315 cacheline_size = (int) byte * 4;
13316
13317 /* On 5703 and later chips, the boundary bits have no
13318 * effect.
13319 */
13320 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13321 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13322 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13323 goto out;
13324
13325#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13326 goal = BOUNDARY_MULTI_CACHELINE;
13327#else
13328#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13329 goal = BOUNDARY_SINGLE_CACHELINE;
13330#else
13331 goal = 0;
13332#endif
13333#endif
13334
cbf9ca6c
MC		 13335 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13336 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13337 goto out;
13338 }
13339
59e6b434
DM		 13340 if (!goal)
13341 goto out;
13342
13343 /* PCI controllers on most RISC systems tend to disconnect
13344 * when a device tries to burst across a cache-line boundary.
13345 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13346 *
13347 * Unfortunately, for PCI-E there are only limited
13348 * write-side controls for this, and thus for reads
13349 * we will still get the disconnects. We'll also waste
13350 * these PCI cycles for both read and write for chips
13351 * other than 5700 and 5701 which do not implement the
13352 * boundary bits.
13353 */
13354 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13355 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13356 switch (cacheline_size) {
13357 case 16:
13358 case 32:
13359 case 64:
13360 case 128:
13361 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13362 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13363 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13364 } else {
13365 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13366 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13367 }
13368 break;
13369
13370 case 256:
13371 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13372 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13373 break;
13374
13375 default:
13376 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13377 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13378 break;
855e1111 13379 }
59e6b434
DM		 13380 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13381 switch (cacheline_size) {
13382 case 16:
13383 case 32:
13384 case 64:
13385 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13386 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13387 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13388 break;
13389 }
13390 /* fallthrough */
13391 case 128:
13392 default:
13393 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13394 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13395 break;
855e1111 13396 }
59e6b434
DM		 13397 } else {
13398 switch (cacheline_size) {
13399 case 16:
13400 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13401 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13402 DMA_RWCTRL_WRITE_BNDRY_16);
13403 break;
13404 }
13405 /* fallthrough */
13406 case 32:
13407 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13408 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13409 DMA_RWCTRL_WRITE_BNDRY_32);
13410 break;
13411 }
13412 /* fallthrough */
13413 case 64:
13414 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13415 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13416 DMA_RWCTRL_WRITE_BNDRY_64);
13417 break;
13418 }
13419 /* fallthrough */
13420 case 128:
13421 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13422 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13423 DMA_RWCTRL_WRITE_BNDRY_128);
13424 break;
13425 }
13426 /* fallthrough */
13427 case 256:
13428 val |= (DMA_RWCTRL_READ_BNDRY_256 |
13429 DMA_RWCTRL_WRITE_BNDRY_256);
13430 break;
13431 case 512:
13432 val |= (DMA_RWCTRL_READ_BNDRY_512 |
13433 DMA_RWCTRL_WRITE_BNDRY_512);
13434 break;
13435 case 1024:
13436 default:
13437 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13438 DMA_RWCTRL_WRITE_BNDRY_1024);
13439 break;
855e1111 13440 }
59e6b434
DM		 13441 }
13442
13443out:
13444 return val;
13445}
13446
1da177e4
LT		 13447static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13448{
13449 struct tg3_internal_buffer_desc test_desc;
13450 u32 sram_dma_descs;
13451 int i, ret;
13452
13453 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13454
13455 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13456 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13457 tw32(RDMAC_STATUS, 0);
13458 tw32(WDMAC_STATUS, 0);
13459
13460 tw32(BUFMGR_MODE, 0);
13461 tw32(FTQ_RESET, 0);
13462
13463 test_desc.addr_hi = ((u64) buf_dma) >> 32;
13464 test_desc.addr_lo = buf_dma & 0xffffffff;
13465 test_desc.nic_mbuf = 0x00002100;
13466 test_desc.len = size;
13467
13468 /*
13469 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13470 * the *second* time the tg3 driver was getting loaded after an
13471 * initial scan.
13472 *
13473 * Broadcom tells me:
13474 * ...the DMA engine is connected to the GRC block and a DMA
13475 * reset may affect the GRC block in some unpredictable way...
13476 * The behavior of resets to individual blocks has not been tested.
13477 *
13478 * Broadcom noted the GRC reset will also reset all sub-components.
13479 */
13480 if (to_device) {
13481 test_desc.cqid_sqid = (13 << 8) | 2;
13482
13483 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13484 udelay(40);
13485 } else {
13486 test_desc.cqid_sqid = (16 << 8) | 7;
13487
13488 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13489 udelay(40);
13490 }
13491 test_desc.flags = 0x00000005;
13492
13493 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13494 u32 val;
13495
13496 val = *(((u32 *)&test_desc) + i);
13497 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13498 sram_dma_descs + (i * sizeof(u32)));
13499 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13500 }
13501 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13502
13503 if (to_device) {
13504 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13505 } else {
13506 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13507 }
13508
13509 ret = -ENODEV;
13510 for (i = 0; i < 40; i++) {
13511 u32 val;
13512
13513 if (to_device)
13514 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13515 else
13516 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13517 if ((val & 0xffff) == sram_dma_descs) {
13518 ret = 0;
13519 break;
13520 }
13521
13522 udelay(100);
13523 }
13524
13525 return ret;
13526}
13527
ded7340d 13528#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 13529
13530static int __devinit tg3_test_dma(struct tg3 *tp)
13531{
13532 dma_addr_t buf_dma;
59e6b434 13533 u32 *buf, saved_dma_rwctrl;
cbf9ca6c 13534 int ret = 0;
1da177e4
LT		 13535
13536 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13537 if (!buf) {
13538 ret = -ENOMEM;
13539 goto out_nofree;
13540 }
13541
13542 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13543 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13544
59e6b434 13545 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4 13546
cbf9ca6c
MC		 13547 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13548 goto out;
13549
1da177e4
LT		 13550 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13551 /* DMA read watermark not used on PCIE */
13552 tp->dma_rwctrl |= 0x00180000;
13553 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 13554 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13555 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 13556 tp->dma_rwctrl |= 0x003f0000;
13557 else
13558 tp->dma_rwctrl |= 0x003f000f;
13559 } else {
13560 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13561 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13562 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 13563 u32 read_water = 0x7;
1da177e4 13564
4a29cc2e
MC		 13565 /* If the 5704 is behind the EPB bridge, we can
13566 * do the less restrictive ONE_DMA workaround for
13567 * better performance.
13568 */
13569 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13570 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13571 tp->dma_rwctrl |= 0x8000;
13572 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 13573 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13574
49afdeb6
MC		 13575 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13576 read_water = 4;
59e6b434 13577 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 13578 tp->dma_rwctrl |=
13579 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13580 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13581 (1 << 23);
4cf78e4f
MC		 13582 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13583 /* 5780 always in PCIX mode */
13584 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 13585 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13586 /* 5714 always in PCIX mode */
13587 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 13588 } else {
13589 tp->dma_rwctrl |= 0x001b000f;
13590 }
13591 }
13592
13593 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13594 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13595 tp->dma_rwctrl &= 0xfffffff0;
13596
13597 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13598 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13599 /* Remove this if it causes problems for some boards. */
13600 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13601
13602 /* On 5700/5701 chips, we need to set this bit.
13603 * Otherwise the chip will issue cacheline transactions
13604 * to streamable DMA memory with not all the byte
13605 * enables turned on. This is an error on several
13606 * RISC PCI controllers, in particular sparc64.
13607 *
13608 * On 5703/5704 chips, this bit has been reassigned
13609 * a different meaning. In particular, it is used
13610 * on those chips to enable a PCI-X workaround.
13611 */
13612 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
13613 }
13614
13615 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13616
13617#if 0
13618 /* Unneeded, already done by tg3_get_invariants. */
13619 tg3_switch_clocks(tp);
13620#endif
13621
1da177e4
LT		 13622 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13623 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
13624 goto out;
13625
59e6b434
DM		 13626 /* It is best to perform DMA test with maximum write burst size
13627 * to expose the 5700/5701 write DMA bug.
13628 */
13629 saved_dma_rwctrl = tp->dma_rwctrl;
13630 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13631 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13632
1da177e4
LT		 13633 while (1) {
13634 u32 *p = buf, i;
13635
13636 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
13637 p[i] = i;
13638
13639 /* Send the buffer to the chip. */
13640 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
13641 if (ret) {
13642 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
13643 break;
13644 }
13645
13646#if 0
13647 /* validate data reached card RAM correctly. */
13648 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13649 u32 val;
13650 tg3_read_mem(tp, 0x2100 + (i*4), &val);
13651 if (le32_to_cpu(val) != p[i]) {
13652 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
13653 /* ret = -ENODEV here? */
13654 }
13655 p[i] = 0;
13656 }
13657#endif
13658 /* Now read it back. */
13659 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
13660 if (ret) {
13661 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
13662
13663 break;
13664 }
13665
13666 /* Verify it. */
13667 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13668 if (p[i] == i)
13669 continue;
13670
59e6b434
DM		 13671 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13672 DMA_RWCTRL_WRITE_BNDRY_16) {
13673 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 13674 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13675 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13676 break;
13677 } else {
13678 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
13679 ret = -ENODEV;
13680 goto out;
13681 }
13682 }
13683
13684 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
13685 /* Success. */
13686 ret = 0;
13687 break;
13688 }
13689 }
59e6b434
DM		 13690 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13691 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 13692 static struct pci_device_id dma_wait_state_chipsets[] = {
13693 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
13694 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
13695 { },
13696 };
13697
59e6b434 13698 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 13699 * now look for chipsets that are known to expose the
13700 * DMA bug without failing the test.
59e6b434 13701 */
6d1cfbab
MC		 13702 if (pci_dev_present(dma_wait_state_chipsets)) {
13703 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13704 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13705 }
13706 else
13707 /* Safe to use the calculated DMA boundary. */
13708 tp->dma_rwctrl = saved_dma_rwctrl;
13709
59e6b434
DM		 13710 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13711 }
1da177e4
LT		 13712
13713out:
13714 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
13715out_nofree:
13716 return ret;
13717}
13718
13719static void __devinit tg3_init_link_config(struct tg3 *tp)
13720{
13721 tp->link_config.advertising =
13722 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
13723 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
13724 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
13725 ADVERTISED_Autoneg | ADVERTISED_MII);
13726 tp->link_config.speed = SPEED_INVALID;
13727 tp->link_config.duplex = DUPLEX_INVALID;
13728 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 13729 tp->link_config.active_speed = SPEED_INVALID;
13730 tp->link_config.active_duplex = DUPLEX_INVALID;
13731 tp->link_config.phy_is_low_power = 0;
13732 tp->link_config.orig_speed = SPEED_INVALID;
13733 tp->link_config.orig_duplex = DUPLEX_INVALID;
13734 tp->link_config.orig_autoneg = AUTONEG_INVALID;
13735}
13736
13737static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
13738{
f6eb9b1f
MC		 13739 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS &&
13740 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
fdfec172
MC		 13741 tp->bufmgr_config.mbuf_read_dma_low_water =
13742 DEFAULT_MB_RDMA_LOW_WATER_5705;
13743 tp->bufmgr_config.mbuf_mac_rx_low_water =
13744 DEFAULT_MB_MACRX_LOW_WATER_5705;
13745 tp->bufmgr_config.mbuf_high_water =
13746 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 13747 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13748 tp->bufmgr_config.mbuf_mac_rx_low_water =
13749 DEFAULT_MB_MACRX_LOW_WATER_5906;
13750 tp->bufmgr_config.mbuf_high_water =
13751 DEFAULT_MB_HIGH_WATER_5906;
13752 }
fdfec172
MC		 13753
13754 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13755 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
13756 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13757 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
13758 tp->bufmgr_config.mbuf_high_water_jumbo =
13759 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
13760 } else {
13761 tp->bufmgr_config.mbuf_read_dma_low_water =
13762 DEFAULT_MB_RDMA_LOW_WATER;
13763 tp->bufmgr_config.mbuf_mac_rx_low_water =
13764 DEFAULT_MB_MACRX_LOW_WATER;
13765 tp->bufmgr_config.mbuf_high_water =
13766 DEFAULT_MB_HIGH_WATER;
13767
13768 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13769 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
13770 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13771 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
13772 tp->bufmgr_config.mbuf_high_water_jumbo =
13773 DEFAULT_MB_HIGH_WATER_JUMBO;
13774 }
1da177e4
LT		 13775
13776 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
13777 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
13778}
13779
13780static char * __devinit tg3_phy_string(struct tg3 *tp)
13781{
13782 switch (tp->phy_id & PHY_ID_MASK) {
13783 case PHY_ID_BCM5400: return "5400";
13784 case PHY_ID_BCM5401: return "5401";
13785 case PHY_ID_BCM5411: return "5411";
13786 case PHY_ID_BCM5701: return "5701";
13787 case PHY_ID_BCM5703: return "5703";
13788 case PHY_ID_BCM5704: return "5704";
13789 case PHY_ID_BCM5705: return "5705";
13790 case PHY_ID_BCM5750: return "5750";
85e94ced 13791 case PHY_ID_BCM5752: return "5752";
a4e2b347 13792 case PHY_ID_BCM5714: return "5714";
4cf78e4f 13793 case PHY_ID_BCM5780: return "5780";
af36e6b6 13794 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 13795 case PHY_ID_BCM5787: return "5787";
d30cdd28 13796 case PHY_ID_BCM5784: return "5784";
126a3368 13797 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 13798 case PHY_ID_BCM5906: return "5906";
9936bcf6 13799 case PHY_ID_BCM5761: return "5761";
c2060fe1 13800 case PHY_ID_BCM5717: return "5717";
1da177e4
LT		 13801 case PHY_ID_BCM8002: return "8002/serdes";
13802 case 0: return "serdes";
13803 default: return "unknown";
855e1111 13804 }
1da177e4
LT		 13805}
13806
f9804ddb
MC		 13807static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
13808{
13809 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13810 strcpy(str, "PCI Express");
13811 return str;
13812 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13813 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
13814
13815 strcpy(str, "PCIX:");
13816
13817 if ((clock_ctrl == 7) ||
13818 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
13819 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
13820 strcat(str, "133MHz");
13821 else if (clock_ctrl == 0)
13822 strcat(str, "33MHz");
13823 else if (clock_ctrl == 2)
13824 strcat(str, "50MHz");
13825 else if (clock_ctrl == 4)
13826 strcat(str, "66MHz");
13827 else if (clock_ctrl == 6)
13828 strcat(str, "100MHz");
f9804ddb
MC		 13829 } else {
13830 strcpy(str, "PCI:");
13831 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
13832 strcat(str, "66MHz");
13833 else
13834 strcat(str, "33MHz");
13835 }
13836 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13837 strcat(str, ":32-bit");
13838 else
13839 strcat(str, ":64-bit");
13840 return str;
13841}
13842
8c2dc7e1 13843static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 13844{
13845 struct pci_dev *peer;
13846 unsigned int func, devnr = tp->pdev->devfn & ~7;
13847
13848 for (func = 0; func < 8; func++) {
13849 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13850 if (peer && peer != tp->pdev)
13851 break;
13852 pci_dev_put(peer);
13853 }
16fe9d74
MC		 13854 /* 5704 can be configured in single-port mode, set peer to
13855 * tp->pdev in that case.
13856 */
13857 if (!peer) {
13858 peer = tp->pdev;
13859 return peer;
13860 }
1da177e4
LT		 13861
13862 /*
13863 * We don't need to keep the refcount elevated; there's no way
13864 * to remove one half of this device without removing the other
13865 */
13866 pci_dev_put(peer);
13867
13868 return peer;
13869}
13870
15f9850d
DM		 13871static void __devinit tg3_init_coal(struct tg3 *tp)
13872{
13873 struct ethtool_coalesce *ec = &tp->coal;
13874
13875 memset(ec, 0, sizeof(*ec));
13876 ec->cmd = ETHTOOL_GCOALESCE;
13877 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13878 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13879 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13880 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13881 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13882 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13883 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13884 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13885 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13886
13887 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13888 HOSTCC_MODE_CLRTICK_TXBD)) {
13889 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13890 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13891 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13892 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13893 }
d244c892
MC		 13894
13895 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13896 ec->rx_coalesce_usecs_irq = 0;
13897 ec->tx_coalesce_usecs_irq = 0;
13898 ec->stats_block_coalesce_usecs = 0;
13899 }
15f9850d
DM		 13900}
13901
7c7d64b8
SH		 13902static const struct net_device_ops tg3_netdev_ops = {
13903 .ndo_open = tg3_open,
13904 .ndo_stop = tg3_close,
00829823
SH		 13905 .ndo_start_xmit = tg3_start_xmit,
13906 .ndo_get_stats = tg3_get_stats,
13907 .ndo_validate_addr = eth_validate_addr,
13908 .ndo_set_multicast_list = tg3_set_rx_mode,
13909 .ndo_set_mac_address = tg3_set_mac_addr,
13910 .ndo_do_ioctl = tg3_ioctl,
13911 .ndo_tx_timeout = tg3_tx_timeout,
13912 .ndo_change_mtu = tg3_change_mtu,
13913#if TG3_VLAN_TAG_USED
13914 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13915#endif
13916#ifdef CONFIG_NET_POLL_CONTROLLER
13917 .ndo_poll_controller = tg3_poll_controller,
13918#endif
13919};
13920
13921static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13922 .ndo_open = tg3_open,
13923 .ndo_stop = tg3_close,
13924 .ndo_start_xmit = tg3_start_xmit_dma_bug,
7c7d64b8
SH		 13925 .ndo_get_stats = tg3_get_stats,
13926 .ndo_validate_addr = eth_validate_addr,
13927 .ndo_set_multicast_list = tg3_set_rx_mode,
13928 .ndo_set_mac_address = tg3_set_mac_addr,
13929 .ndo_do_ioctl = tg3_ioctl,
13930 .ndo_tx_timeout = tg3_tx_timeout,
13931 .ndo_change_mtu = tg3_change_mtu,
13932#if TG3_VLAN_TAG_USED
13933 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13934#endif
13935#ifdef CONFIG_NET_POLL_CONTROLLER
13936 .ndo_poll_controller = tg3_poll_controller,
13937#endif
13938};
13939
1da177e4
LT		 13940static int __devinit tg3_init_one(struct pci_dev *pdev,
13941 const struct pci_device_id *ent)
13942{
13943 static int tg3_version_printed = 0;
1da177e4
LT		 13944 struct net_device *dev;
13945 struct tg3 *tp;
646c9edd
MC		 13946 int i, err, pm_cap;
13947 u32 sndmbx, rcvmbx, intmbx;
f9804ddb 13948 char str[40];
72f2afb8 13949 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 13950
13951 if (tg3_version_printed++ == 0)
13952 printk(KERN_INFO "%s", version);
13953
13954 err = pci_enable_device(pdev);
13955 if (err) {
13956 printk(KERN_ERR PFX "Cannot enable PCI device, "
13957 "aborting.\n");
13958 return err;
13959 }
13960
1da177e4
LT		 13961 err = pci_request_regions(pdev, DRV_MODULE_NAME);
13962 if (err) {
13963 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
13964 "aborting.\n");
13965 goto err_out_disable_pdev;
13966 }
13967
13968 pci_set_master(pdev);
13969
13970 /* Find power-management capability. */
13971 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
13972 if (pm_cap == 0) {
13973 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
13974 "aborting.\n");
13975 err = -EIO;
13976 goto err_out_free_res;
13977 }
13978
fe5f5787 13979 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
1da177e4
LT		 13980 if (!dev) {
13981 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
13982 err = -ENOMEM;
13983 goto err_out_free_res;
13984 }
13985
1da177e4
LT		 13986 SET_NETDEV_DEV(dev, &pdev->dev);
13987
1da177e4
LT		 13988#if TG3_VLAN_TAG_USED
13989 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
1da177e4
LT		 13990#endif
13991
13992 tp = netdev_priv(dev);
13993 tp->pdev = pdev;
13994 tp->dev = dev;
13995 tp->pm_cap = pm_cap;
1da177e4
LT		 13996 tp->rx_mode = TG3_DEF_RX_MODE;
13997 tp->tx_mode = TG3_DEF_TX_MODE;
8ef21428 13998
1da177e4
LT		 13999 if (tg3_debug > 0)
14000 tp->msg_enable = tg3_debug;
14001 else
14002 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14003
14004 /* The word/byte swap controls here control register access byte
14005 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14006 * setting below.
14007 */
14008 tp->misc_host_ctrl =
14009 MISC_HOST_CTRL_MASK_PCI_INT |
14010 MISC_HOST_CTRL_WORD_SWAP |
14011 MISC_HOST_CTRL_INDIR_ACCESS |
14012 MISC_HOST_CTRL_PCISTATE_RW;
14013
14014 /* The NONFRM (non-frame) byte/word swap controls take effect
14015 * on descriptor entries, anything which isn't packet data.
14016 *
14017 * The StrongARM chips on the board (one for tx, one for rx)
14018 * are running in big-endian mode.
14019 */
14020 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14021 GRC_MODE_WSWAP_NONFRM_DATA);
14022#ifdef __BIG_ENDIAN
14023 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14024#endif
14025 spin_lock_init(&tp->lock);
1da177e4 14026 spin_lock_init(&tp->indirect_lock);
c4028958 14027 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4 14028
d5fe488a 14029 tp->regs = pci_ioremap_bar(pdev, BAR_0);
ab0049b4 14030 if (!tp->regs) {
1da177e4
LT		 14031 printk(KERN_ERR PFX "Cannot map device registers, "
14032 "aborting.\n");
14033 err = -ENOMEM;
14034 goto err_out_free_dev;
14035 }
14036
14037 tg3_init_link_config(tp);
14038
1da177e4
LT		 14039 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14040 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
1da177e4 14041
646c9edd
MC		 14042 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14043 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14044 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14045 for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14046 struct tg3_napi *tnapi = &tp->napi[i];
14047
14048 tnapi->tp = tp;
14049 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14050
14051 tnapi->int_mbox = intmbx;
14052 if (i < 4)
14053 intmbx += 0x8;
14054 else
14055 intmbx += 0x4;
14056
14057 tnapi->consmbox = rcvmbx;
14058 tnapi->prodmbox = sndmbx;
14059
14060 if (i)
14061 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14062 else
14063 tnapi->coal_now = HOSTCC_MODE_NOW;
14064
14065 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14066 break;
14067
14068 /*
14069 * If we support MSIX, we'll be using RSS. If we're using
14070 * RSS, the first vector only handles link interrupts and the
14071 * remaining vectors handle rx and tx interrupts. Reuse the
14072 * mailbox values for the next iteration. The values we setup
14073 * above are still useful for the single vectored mode.
14074 */
14075 if (!i)
14076 continue;
14077
14078 rcvmbx += 0x8;
14079
14080 if (sndmbx & 0x4)
14081 sndmbx -= 0x4;
14082 else
14083 sndmbx += 0xc;
14084 }
14085
8ef0442f 14086 netif_napi_add(dev, &tp->napi[0].napi, tg3_poll, 64);
1da177e4 14087 dev->ethtool_ops = &tg3_ethtool_ops;
1da177e4 14088 dev->watchdog_timeo = TG3_TX_TIMEOUT;
1da177e4 14089 dev->irq = pdev->irq;
1da177e4
LT		 14090
14091 err = tg3_get_invariants(tp);
14092 if (err) {
14093 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
14094 "aborting.\n");
14095 goto err_out_iounmap;
14096 }
14097
615774fe
MC		 14098 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14099 tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
00829823
SH		 14100 dev->netdev_ops = &tg3_netdev_ops;
14101 else
14102 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14103
14104
4a29cc2e
MC		 14105 /* The EPB bridge inside 5714, 5715, and 5780 and any
14106 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 14107 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14108 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14109 * do DMA address check in tg3_start_xmit().
14110 */
4a29cc2e 14111 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
284901a9 14112 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
4a29cc2e 14113 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
50cf156a 14114 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
72f2afb8 14115#ifdef CONFIG_HIGHMEM
6a35528a 14116 dma_mask = DMA_BIT_MASK(64);
72f2afb8 14117#endif
4a29cc2e 14118 } else
6a35528a 14119 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
72f2afb8
MC		 14120
14121 /* Configure DMA attributes. */
284901a9 14122 if (dma_mask > DMA_BIT_MASK(32)) {
72f2afb8
MC		 14123 err = pci_set_dma_mask(pdev, dma_mask);
14124 if (!err) {
14125 dev->features |= NETIF_F_HIGHDMA;
14126 err = pci_set_consistent_dma_mask(pdev,
14127 persist_dma_mask);
14128 if (err < 0) {
14129 printk(KERN_ERR PFX "Unable to obtain 64 bit "
14130 "DMA for consistent allocations\n");
14131 goto err_out_iounmap;
14132 }
14133 }
14134 }
284901a9
YH		 14135 if (err || dma_mask == DMA_BIT_MASK(32)) {
14136 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
72f2afb8
MC		 14137 if (err) {
14138 printk(KERN_ERR PFX "No usable DMA configuration, "
14139 "aborting.\n");
14140 goto err_out_iounmap;
14141 }
14142 }
14143
fdfec172 14144 tg3_init_bufmgr_config(tp);
1da177e4 14145
507399f1
MC		 14146 /* Selectively allow TSO based on operating conditions */
14147 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14148 (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
1da177e4 14149 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
507399f1
MC		 14150 else {
14151 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14152 tp->fw_needed = NULL;
1da177e4 14153 }
507399f1
MC		 14154
14155 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14156 tp->fw_needed = FIRMWARE_TG3;
1da177e4 14157
4e3a7aaa
MC		 14158 /* TSO is on by default on chips that support hardware TSO.
14159 * Firmware TSO on older chips gives lower performance, so it
14160 * is off by default, but can be enabled using ethtool.
14161 */
e849cdc3
MC		 14162 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14163 (dev->features & NETIF_F_IP_CSUM))
14164 dev->features |= NETIF_F_TSO;
14165
14166 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14167 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14168 if (dev->features & NETIF_F_IPV6_CSUM)
b0026624 14169 dev->features |= NETIF_F_TSO6;
e849cdc3
MC		 14170 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14171 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
57e6983c
MC		 14172 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14173 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
321d32a0 14174 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
e849cdc3 14175 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9936bcf6 14176 dev->features |= NETIF_F_TSO_ECN;
b0026624 14177 }
1da177e4 14178
1da177e4
LT		 14179 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14180 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14181 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14182 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14183 tp->rx_pending = 63;
14184 }
14185
1da177e4
LT		 14186 err = tg3_get_device_address(tp);
14187 if (err) {
14188 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
14189 "aborting.\n");
077f849d 14190 goto err_out_fw;
1da177e4
LT		 14191 }
14192
c88864df 14193 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
63532394 14194 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
79ea13ce 14195 if (!tp->aperegs) {
c88864df
MC		 14196 printk(KERN_ERR PFX "Cannot map APE registers, "
14197 "aborting.\n");
14198 err = -ENOMEM;
077f849d 14199 goto err_out_fw;
c88864df
MC		 14200 }
14201
14202 tg3_ape_lock_init(tp);
7fd76445
MC		 14203
14204 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14205 tg3_read_dash_ver(tp);
c88864df
MC		 14206 }
14207
1da177e4
LT		 14208 /*
14209 * Reset chip in case UNDI or EFI driver did not shutdown
14210 * DMA self test will enable WDMAC and we'll see (spurious)
14211 * pending DMA on the PCI bus at that point.
14212 */
14213 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14214 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
1da177e4 14215 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 14216 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 14217 }
14218
14219 err = tg3_test_dma(tp);
14220 if (err) {
14221 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
c88864df 14222 goto err_out_apeunmap;
1da177e4
LT		 14223 }
14224
1da177e4
LT		 14225 /* flow control autonegotiation is default behavior */
14226 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
e18ce346 14227 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1da177e4 14228
15f9850d
DM		 14229 tg3_init_coal(tp);
14230
c49a1561
MC		 14231 pci_set_drvdata(pdev, dev);
14232
1da177e4
LT		 14233 err = register_netdev(dev);
14234 if (err) {
14235 printk(KERN_ERR PFX "Cannot register net device, "
14236 "aborting.\n");
0d3031d9 14237 goto err_out_apeunmap;
1da177e4
LT		 14238 }
14239
df59c940 14240 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
1da177e4
LT		 14241 dev->name,
14242 tp->board_part_number,
14243 tp->pci_chip_rev_id,
f9804ddb 14244 tg3_bus_string(tp, str),
e174961c 14245 dev->dev_addr);
1da177e4 14246
3f0e3ad7
MC		 14247 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14248 struct phy_device *phydev;
14249 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
df59c940
MC		 14250 printk(KERN_INFO
14251 "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
3f0e3ad7
MC		 14252 tp->dev->name, phydev->drv->name,
14253 dev_name(&phydev->dev));
14254 } else
df59c940
MC		 14255 printk(KERN_INFO
14256 "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14257 tp->dev->name, tg3_phy_string(tp),
14258 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14259 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14260 "10/100/1000Base-T")),
14261 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14262
14263 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
1da177e4
LT		 14264 dev->name,
14265 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14266 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14267 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14268 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
1da177e4 14269 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 14270 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14271 dev->name, tp->dma_rwctrl,
284901a9 14272 (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
50cf156a 14273 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
1da177e4
LT		 14274
14275 return 0;
14276
0d3031d9
MC		 14277err_out_apeunmap:
14278 if (tp->aperegs) {
14279 iounmap(tp->aperegs);
14280 tp->aperegs = NULL;
14281 }
14282
077f849d
JSR		 14283err_out_fw:
14284 if (tp->fw)
14285 release_firmware(tp->fw);
14286
1da177e4 14287err_out_iounmap:
6892914f
MC		 14288 if (tp->regs) {
14289 iounmap(tp->regs);
22abe310 14290 tp->regs = NULL;
6892914f 14291 }
1da177e4
LT		 14292
14293err_out_free_dev:
14294 free_netdev(dev);
14295
14296err_out_free_res:
14297 pci_release_regions(pdev);
14298
14299err_out_disable_pdev:
14300 pci_disable_device(pdev);
14301 pci_set_drvdata(pdev, NULL);
14302 return err;
14303}
14304
14305static void __devexit tg3_remove_one(struct pci_dev *pdev)
14306{
14307 struct net_device *dev = pci_get_drvdata(pdev);
14308
14309 if (dev) {
14310 struct tg3 *tp = netdev_priv(dev);
14311
077f849d
JSR		 14312 if (tp->fw)
14313 release_firmware(tp->fw);
14314
7faa006f 14315 flush_scheduled_work();
158d7abd 14316
b02fd9e3
MC		 14317 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14318 tg3_phy_fini(tp);
158d7abd 14319 tg3_mdio_fini(tp);
b02fd9e3 14320 }
158d7abd 14321
1da177e4 14322 unregister_netdev(dev);
0d3031d9
MC		 14323 if (tp->aperegs) {
14324 iounmap(tp->aperegs);
14325 tp->aperegs = NULL;
14326 }
6892914f
MC		 14327 if (tp->regs) {
14328 iounmap(tp->regs);
22abe310 14329 tp->regs = NULL;
6892914f 14330 }
1da177e4
LT		 14331 free_netdev(dev);
14332 pci_release_regions(pdev);
14333 pci_disable_device(pdev);
14334 pci_set_drvdata(pdev, NULL);
14335 }
14336}
14337
14338static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14339{
14340 struct net_device *dev = pci_get_drvdata(pdev);
14341 struct tg3 *tp = netdev_priv(dev);
12dac075 14342 pci_power_t target_state;
1da177e4
LT		 14343 int err;
14344
3e0c95fd
MC		 14345 /* PCI register 4 needs to be saved whether netif_running() or not.
14346 * MSI address and data need to be saved if using MSI and
14347 * netif_running().
14348 */
14349 pci_save_state(pdev);
14350
1da177e4
LT		 14351 if (!netif_running(dev))
14352 return 0;
14353
7faa006f 14354 flush_scheduled_work();
b02fd9e3 14355 tg3_phy_stop(tp);
1da177e4
LT		 14356 tg3_netif_stop(tp);
14357
14358 del_timer_sync(&tp->timer);
14359
f47c11ee 14360 tg3_full_lock(tp, 1);
1da177e4 14361 tg3_disable_ints(tp);
f47c11ee 14362 tg3_full_unlock(tp);
1da177e4
LT		 14363
14364 netif_device_detach(dev);
14365
f47c11ee 14366 tg3_full_lock(tp, 0);
944d980e 14367 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 14368 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 14369 tg3_full_unlock(tp);
1da177e4 14370
12dac075
RW		 14371 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14372
14373 err = tg3_set_power_state(tp, target_state);
1da177e4 14374 if (err) {
b02fd9e3
MC		 14375 int err2;
14376
f47c11ee 14377 tg3_full_lock(tp, 0);
1da177e4 14378
6a9eba15 14379 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b02fd9e3
MC		 14380 err2 = tg3_restart_hw(tp, 1);
14381 if (err2)
b9ec6c1b 14382 goto out;
1da177e4
LT		 14383
14384 tp->timer.expires = jiffies + tp->timer_offset;
14385 add_timer(&tp->timer);
14386
14387 netif_device_attach(dev);
14388 tg3_netif_start(tp);
14389
b9ec6c1b 14390out:
f47c11ee 14391 tg3_full_unlock(tp);
b02fd9e3
MC		 14392
14393 if (!err2)
14394 tg3_phy_start(tp);
1da177e4
LT		 14395 }
14396
14397 return err;
14398}
14399
14400static int tg3_resume(struct pci_dev *pdev)
14401{
14402 struct net_device *dev = pci_get_drvdata(pdev);
14403 struct tg3 *tp = netdev_priv(dev);
14404 int err;
14405
3e0c95fd
MC		 14406 pci_restore_state(tp->pdev);
14407
1da177e4
LT		 14408 if (!netif_running(dev))
14409 return 0;
14410
bc1c7567 14411 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 14412 if (err)
14413 return err;
14414
14415 netif_device_attach(dev);
14416
f47c11ee 14417 tg3_full_lock(tp, 0);
1da177e4 14418
6a9eba15 14419 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 14420 err = tg3_restart_hw(tp, 1);
14421 if (err)
14422 goto out;
1da177e4
LT		 14423
14424 tp->timer.expires = jiffies + tp->timer_offset;
14425 add_timer(&tp->timer);
14426
1da177e4
LT		 14427 tg3_netif_start(tp);
14428
b9ec6c1b 14429out:
f47c11ee 14430 tg3_full_unlock(tp);
1da177e4 14431
b02fd9e3
MC		 14432 if (!err)
14433 tg3_phy_start(tp);
14434
b9ec6c1b 14435 return err;
1da177e4
LT		 14436}
14437
14438static struct pci_driver tg3_driver = {
14439 .name = DRV_MODULE_NAME,
14440 .id_table = tg3_pci_tbl,
14441 .probe = tg3_init_one,
14442 .remove = __devexit_p(tg3_remove_one),
14443 .suspend = tg3_suspend,
14444 .resume = tg3_resume
14445};
14446
14447static int __init tg3_init(void)
14448{
29917620 14449 return pci_register_driver(&tg3_driver);
1da177e4
LT		 14450}
14451
14452static void __exit tg3_cleanup(void)
14453{
14454 pci_unregister_driver(&tg3_driver);
14455}
14456
14457module_init(tg3_init);
14458module_exit(tg3_cleanup);
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