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[TG3]: 5784 / 5764 DMA engine lockup fix
[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.
65610fba 7 * Copyright (C) 2005-2007 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MC		 10 * Derived from proprietary unpublished source code,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>
35#include <linux/if_vlan.h>
36#include <linux/ip.h>
37#include <linux/tcp.h>
38#include <linux/workqueue.h>
61487480 39#include <linux/prefetch.h>
f9a5f7d3 40#include <linux/dma-mapping.h>
1da177e4
LT		 41
42#include <net/checksum.h>
c9bdd4b5 43#include <net/ip.h>
1da177e4
LT		 44
45#include <asm/system.h>
46#include <asm/io.h>
47#include <asm/byteorder.h>
48#include <asm/uaccess.h>
49
49b6e95f 50#ifdef CONFIG_SPARC
1da177e4 51#include <asm/idprom.h>
49b6e95f 52#include <asm/prom.h>
1da177e4
LT		 53#endif
54
55#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
56#define TG3_VLAN_TAG_USED 1
57#else
58#define TG3_VLAN_TAG_USED 0
59#endif
60
1da177e4 61#define TG3_TSO_SUPPORT 1
1da177e4
LT		 62
63#include "tg3.h"
64
65#define DRV_MODULE_NAME "tg3"
66#define PFX DRV_MODULE_NAME ": "
33b0c4fe
MC		 67#define DRV_MODULE_VERSION "3.85"
68#define DRV_MODULE_RELDATE "October 18, 2007"
1da177e4
LT		 69
70#define TG3_DEF_MAC_MODE 0
71#define TG3_DEF_RX_MODE 0
72#define TG3_DEF_TX_MODE 0
73#define TG3_DEF_MSG_ENABLE \
74 (NETIF_MSG_DRV | \
75 NETIF_MSG_PROBE | \
76 NETIF_MSG_LINK | \
77 NETIF_MSG_TIMER | \
78 NETIF_MSG_IFDOWN | \
79 NETIF_MSG_IFUP | \
80 NETIF_MSG_RX_ERR | \
81 NETIF_MSG_TX_ERR)
82
83/* length of time before we decide the hardware is borked,
84 * and dev->tx_timeout() should be called to fix the problem
85 */
86#define TG3_TX_TIMEOUT (5 * HZ)
87
88/* hardware minimum and maximum for a single frame's data payload */
89#define TG3_MIN_MTU 60
90#define TG3_MAX_MTU(tp) \
0f893dc6 91 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 92
93/* These numbers seem to be hard coded in the NIC firmware somehow.
94 * You can't change the ring sizes, but you can change where you place
95 * them in the NIC onboard memory.
96 */
97#define TG3_RX_RING_SIZE 512
98#define TG3_DEF_RX_RING_PENDING 200
99#define TG3_RX_JUMBO_RING_SIZE 256
100#define TG3_DEF_RX_JUMBO_RING_PENDING 100
101
102/* Do not place this n-ring entries value into the tp struct itself,
103 * we really want to expose these constants to GCC so that modulo et
104 * al. operations are done with shifts and masks instead of with
105 * hw multiply/modulo instructions. Another solution would be to
106 * replace things like '% foo' with '& (foo - 1)'.
107 */
108#define TG3_RX_RCB_RING_SIZE(tp) \
109 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
110
111#define TG3_TX_RING_SIZE 512
112#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
113
114#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
115 TG3_RX_RING_SIZE)
116#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
117 TG3_RX_JUMBO_RING_SIZE)
118#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
119 TG3_RX_RCB_RING_SIZE(tp))
120#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
121 TG3_TX_RING_SIZE)
1da177e4
LT		 122#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
123
124#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
125#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
126
127/* minimum number of free TX descriptors required to wake up TX process */
42952231 128#define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
1da177e4
LT		 129
130/* number of ETHTOOL_GSTATS u64's */
131#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
132
4cafd3f5
MC		 133#define TG3_NUM_TEST 6
134
1da177e4
LT		 135static char version[] __devinitdata =
136 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
137
138MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
139MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
140MODULE_LICENSE("GPL");
141MODULE_VERSION(DRV_MODULE_VERSION);
142
143static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
144module_param(tg3_debug, int, 0);
145MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
146
147static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
d30cdd28
MC		 201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
6c7af27c 203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
9936bcf6
MC		 204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
13185217
HK		 206 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
207 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
208 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
209 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
210 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
211 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
212 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
213 {}
1da177e4
LT		 214};
215
216MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
217
50da859d 218static const struct {
1da177e4
LT		 219 const char string[ETH_GSTRING_LEN];
220} ethtool_stats_keys[TG3_NUM_STATS] = {
221 { "rx_octets" },
222 { "rx_fragments" },
223 { "rx_ucast_packets" },
224 { "rx_mcast_packets" },
225 { "rx_bcast_packets" },
226 { "rx_fcs_errors" },
227 { "rx_align_errors" },
228 { "rx_xon_pause_rcvd" },
229 { "rx_xoff_pause_rcvd" },
230 { "rx_mac_ctrl_rcvd" },
231 { "rx_xoff_entered" },
232 { "rx_frame_too_long_errors" },
233 { "rx_jabbers" },
234 { "rx_undersize_packets" },
235 { "rx_in_length_errors" },
236 { "rx_out_length_errors" },
237 { "rx_64_or_less_octet_packets" },
238 { "rx_65_to_127_octet_packets" },
239 { "rx_128_to_255_octet_packets" },
240 { "rx_256_to_511_octet_packets" },
241 { "rx_512_to_1023_octet_packets" },
242 { "rx_1024_to_1522_octet_packets" },
243 { "rx_1523_to_2047_octet_packets" },
244 { "rx_2048_to_4095_octet_packets" },
245 { "rx_4096_to_8191_octet_packets" },
246 { "rx_8192_to_9022_octet_packets" },
247
248 { "tx_octets" },
249 { "tx_collisions" },
250
251 { "tx_xon_sent" },
252 { "tx_xoff_sent" },
253 { "tx_flow_control" },
254 { "tx_mac_errors" },
255 { "tx_single_collisions" },
256 { "tx_mult_collisions" },
257 { "tx_deferred" },
258 { "tx_excessive_collisions" },
259 { "tx_late_collisions" },
260 { "tx_collide_2times" },
261 { "tx_collide_3times" },
262 { "tx_collide_4times" },
263 { "tx_collide_5times" },
264 { "tx_collide_6times" },
265 { "tx_collide_7times" },
266 { "tx_collide_8times" },
267 { "tx_collide_9times" },
268 { "tx_collide_10times" },
269 { "tx_collide_11times" },
270 { "tx_collide_12times" },
271 { "tx_collide_13times" },
272 { "tx_collide_14times" },
273 { "tx_collide_15times" },
274 { "tx_ucast_packets" },
275 { "tx_mcast_packets" },
276 { "tx_bcast_packets" },
277 { "tx_carrier_sense_errors" },
278 { "tx_discards" },
279 { "tx_errors" },
280
281 { "dma_writeq_full" },
282 { "dma_write_prioq_full" },
283 { "rxbds_empty" },
284 { "rx_discards" },
285 { "rx_errors" },
286 { "rx_threshold_hit" },
287
288 { "dma_readq_full" },
289 { "dma_read_prioq_full" },
290 { "tx_comp_queue_full" },
291
292 { "ring_set_send_prod_index" },
293 { "ring_status_update" },
294 { "nic_irqs" },
295 { "nic_avoided_irqs" },
296 { "nic_tx_threshold_hit" }
297};
298
50da859d 299static const struct {
4cafd3f5
MC		 300 const char string[ETH_GSTRING_LEN];
301} ethtool_test_keys[TG3_NUM_TEST] = {
302 { "nvram test (online) " },
303 { "link test (online) " },
304 { "register test (offline)" },
305 { "memory test (offline)" },
306 { "loopback test (offline)" },
307 { "interrupt test (offline)" },
308};
309
b401e9e2
MC		 310static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
311{
312 writel(val, tp->regs + off);
313}
314
315static u32 tg3_read32(struct tg3 *tp, u32 off)
316{
6aa20a22 317 return (readl(tp->regs + off));
b401e9e2
MC		 318}
319
0d3031d9
MC		 320static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
321{
322 writel(val, tp->aperegs + off);
323}
324
325static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
326{
327 return (readl(tp->aperegs + off));
328}
329
1da177e4
LT		 330static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
331{
6892914f
MC		 332 unsigned long flags;
333
334 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 335 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
336 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 337 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 338}
339
340static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
341{
342 writel(val, tp->regs + off);
343 readl(tp->regs + off);
1da177e4
LT		 344}
345
6892914f 346static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 347{
6892914f
MC		 348 unsigned long flags;
349 u32 val;
350
351 spin_lock_irqsave(&tp->indirect_lock, flags);
352 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
353 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
354 spin_unlock_irqrestore(&tp->indirect_lock, flags);
355 return val;
356}
357
358static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
359{
360 unsigned long flags;
361
362 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
363 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
364 TG3_64BIT_REG_LOW, val);
365 return;
366 }
367 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
368 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
369 TG3_64BIT_REG_LOW, val);
370 return;
1da177e4 371 }
6892914f
MC		 372
373 spin_lock_irqsave(&tp->indirect_lock, flags);
374 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
375 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
376 spin_unlock_irqrestore(&tp->indirect_lock, flags);
377
378 /* In indirect mode when disabling interrupts, we also need
379 * to clear the interrupt bit in the GRC local ctrl register.
380 */
381 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
382 (val == 0x1)) {
383 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
384 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
385 }
386}
387
388static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
389{
390 unsigned long flags;
391 u32 val;
392
393 spin_lock_irqsave(&tp->indirect_lock, flags);
394 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
395 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
396 spin_unlock_irqrestore(&tp->indirect_lock, flags);
397 return val;
398}
399
b401e9e2
MC		 400/* usec_wait specifies the wait time in usec when writing to certain registers
401 * where it is unsafe to read back the register without some delay.
402 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
403 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
404 */
405static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 406{
b401e9e2
MC		 407 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
408 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
409 /* Non-posted methods */
410 tp->write32(tp, off, val);
411 else {
412 /* Posted method */
413 tg3_write32(tp, off, val);
414 if (usec_wait)
415 udelay(usec_wait);
416 tp->read32(tp, off);
417 }
418 /* Wait again after the read for the posted method to guarantee that
419 * the wait time is met.
420 */
421 if (usec_wait)
422 udelay(usec_wait);
1da177e4
LT		 423}
424
09ee929c
MC		 425static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
426{
427 tp->write32_mbox(tp, off, val);
6892914f
MC		 428 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
429 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
430 tp->read32_mbox(tp, off);
09ee929c
MC		 431}
432
20094930 433static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 434{
435 void __iomem *mbox = tp->regs + off;
436 writel(val, mbox);
437 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
438 writel(val, mbox);
439 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
440 readl(mbox);
441}
442
b5d3772c
MC		 443static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
444{
445 return (readl(tp->regs + off + GRCMBOX_BASE));
446}
447
448static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
449{
450 writel(val, tp->regs + off + GRCMBOX_BASE);
451}
452
20094930 453#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 454#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 455#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
456#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 457#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 458
459#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 460#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
461#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 462#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 463
464static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
465{
6892914f
MC		 466 unsigned long flags;
467
b5d3772c
MC		 468 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
469 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
470 return;
471
6892914f 472 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 473 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
474 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
475 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 476
bbadf503
MC		 477 /* Always leave this as zero. */
478 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
479 } else {
480 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
481 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 482
bbadf503
MC		 483 /* Always leave this as zero. */
484 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
485 }
486 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 487}
488
1da177e4
LT		 489static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
490{
6892914f
MC		 491 unsigned long flags;
492
b5d3772c
MC		 493 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
494 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
495 *val = 0;
496 return;
497 }
498
6892914f 499 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 500 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
501 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
502 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 503
bbadf503
MC		 504 /* Always leave this as zero. */
505 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
506 } else {
507 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
508 *val = tr32(TG3PCI_MEM_WIN_DATA);
509
510 /* Always leave this as zero. */
511 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
512 }
6892914f 513 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 514}
515
0d3031d9
MC		 516static void tg3_ape_lock_init(struct tg3 *tp)
517{
518 int i;
519
520 /* Make sure the driver hasn't any stale locks. */
521 for (i = 0; i < 8; i++)
522 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
523 APE_LOCK_GRANT_DRIVER);
524}
525
526static int tg3_ape_lock(struct tg3 *tp, int locknum)
527{
528 int i, off;
529 int ret = 0;
530 u32 status;
531
532 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
533 return 0;
534
535 switch (locknum) {
536 case TG3_APE_LOCK_MEM:
537 break;
538 default:
539 return -EINVAL;
540 }
541
542 off = 4 * locknum;
543
544 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
545
546 /* Wait for up to 1 millisecond to acquire lock. */
547 for (i = 0; i < 100; i++) {
548 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
549 if (status == APE_LOCK_GRANT_DRIVER)
550 break;
551 udelay(10);
552 }
553
554 if (status != APE_LOCK_GRANT_DRIVER) {
555 /* Revoke the lock request. */
556 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
557 APE_LOCK_GRANT_DRIVER);
558
559 ret = -EBUSY;
560 }
561
562 return ret;
563}
564
565static void tg3_ape_unlock(struct tg3 *tp, int locknum)
566{
567 int off;
568
569 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
570 return;
571
572 switch (locknum) {
573 case TG3_APE_LOCK_MEM:
574 break;
575 default:
576 return;
577 }
578
579 off = 4 * locknum;
580 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
581}
582
1da177e4
LT		 583static void tg3_disable_ints(struct tg3 *tp)
584{
585 tw32(TG3PCI_MISC_HOST_CTRL,
586 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c 587 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
1da177e4
LT		 588}
589
590static inline void tg3_cond_int(struct tg3 *tp)
591{
38f3843e
MC		 592 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
593 (tp->hw_status->status & SD_STATUS_UPDATED))
1da177e4 594 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
b5d3772c
MC		 595 else
596 tw32(HOSTCC_MODE, tp->coalesce_mode |
597 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 598}
599
600static void tg3_enable_ints(struct tg3 *tp)
601{
bbe832c0
MC		 602 tp->irq_sync = 0;
603 wmb();
604
1da177e4
LT		 605 tw32(TG3PCI_MISC_HOST_CTRL,
606 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c
MC		 607 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
608 (tp->last_tag << 24));
fcfa0a32
MC		 609 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
610 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
611 (tp->last_tag << 24));
1da177e4
LT		 612 tg3_cond_int(tp);
613}
614
04237ddd
MC		 615static inline unsigned int tg3_has_work(struct tg3 *tp)
616{
617 struct tg3_hw_status *sblk = tp->hw_status;
618 unsigned int work_exists = 0;
619
620 /* check for phy events */
621 if (!(tp->tg3_flags &
622 (TG3_FLAG_USE_LINKCHG_REG |
623 TG3_FLAG_POLL_SERDES))) {
624 if (sblk->status & SD_STATUS_LINK_CHG)
625 work_exists = 1;
626 }
627 /* check for RX/TX work to do */
628 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
629 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
630 work_exists = 1;
631
632 return work_exists;
633}
634
1da177e4 635/* tg3_restart_ints
04237ddd
MC		 636 * similar to tg3_enable_ints, but it accurately determines whether there
637 * is new work pending and can return without flushing the PIO write
6aa20a22 638 * which reenables interrupts
1da177e4
LT		 639 */
640static void tg3_restart_ints(struct tg3 *tp)
641{
fac9b83e
DM		 642 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
643 tp->last_tag << 24);
1da177e4
LT		 644 mmiowb();
645
fac9b83e
DM		 646 /* When doing tagged status, this work check is unnecessary.
647 * The last_tag we write above tells the chip which piece of
648 * work we've completed.
649 */
650 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
651 tg3_has_work(tp))
04237ddd
MC		 652 tw32(HOSTCC_MODE, tp->coalesce_mode |
653 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 654}
655
656static inline void tg3_netif_stop(struct tg3 *tp)
657{
bbe832c0 658 tp->dev->trans_start = jiffies; /* prevent tx timeout */
bea3348e 659 napi_disable(&tp->napi);
1da177e4
LT		 660 netif_tx_disable(tp->dev);
661}
662
663static inline void tg3_netif_start(struct tg3 *tp)
664{
665 netif_wake_queue(tp->dev);
666 /* NOTE: unconditional netif_wake_queue is only appropriate
667 * so long as all callers are assured to have free tx slots
668 * (such as after tg3_init_hw)
669 */
bea3348e 670 napi_enable(&tp->napi);
f47c11ee
DM		 671 tp->hw_status->status |= SD_STATUS_UPDATED;
672 tg3_enable_ints(tp);
1da177e4
LT		 673}
674
675static void tg3_switch_clocks(struct tg3 *tp)
676{
677 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
678 u32 orig_clock_ctrl;
679
795d01c5
MC		 680 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
681 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
4cf78e4f
MC		 682 return;
683
1da177e4
LT		 684 orig_clock_ctrl = clock_ctrl;
685 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
686 CLOCK_CTRL_CLKRUN_OENABLE |
687 0x1f);
688 tp->pci_clock_ctrl = clock_ctrl;
689
690 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
691 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 692 tw32_wait_f(TG3PCI_CLOCK_CTRL,
693 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 694 }
695 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 696 tw32_wait_f(TG3PCI_CLOCK_CTRL,
697 clock_ctrl |
698 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
699 40);
700 tw32_wait_f(TG3PCI_CLOCK_CTRL,
701 clock_ctrl | (CLOCK_CTRL_ALTCLK),
702 40);
1da177e4 703 }
b401e9e2 704 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 705}
706
707#define PHY_BUSY_LOOPS 5000
708
709static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
710{
711 u32 frame_val;
712 unsigned int loops;
713 int ret;
714
715 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
716 tw32_f(MAC_MI_MODE,
717 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
718 udelay(80);
719 }
720
721 *val = 0x0;
722
723 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
724 MI_COM_PHY_ADDR_MASK);
725 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
726 MI_COM_REG_ADDR_MASK);
727 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 728
1da177e4
LT		 729 tw32_f(MAC_MI_COM, frame_val);
730
731 loops = PHY_BUSY_LOOPS;
732 while (loops != 0) {
733 udelay(10);
734 frame_val = tr32(MAC_MI_COM);
735
736 if ((frame_val & MI_COM_BUSY) == 0) {
737 udelay(5);
738 frame_val = tr32(MAC_MI_COM);
739 break;
740 }
741 loops -= 1;
742 }
743
744 ret = -EBUSY;
745 if (loops != 0) {
746 *val = frame_val & MI_COM_DATA_MASK;
747 ret = 0;
748 }
749
750 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
751 tw32_f(MAC_MI_MODE, tp->mi_mode);
752 udelay(80);
753 }
754
755 return ret;
756}
757
758static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
759{
760 u32 frame_val;
761 unsigned int loops;
762 int ret;
763
b5d3772c
MC		 764 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
765 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
766 return 0;
767
1da177e4
LT		 768 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
769 tw32_f(MAC_MI_MODE,
770 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
771 udelay(80);
772 }
773
774 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
775 MI_COM_PHY_ADDR_MASK);
776 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
777 MI_COM_REG_ADDR_MASK);
778 frame_val |= (val & MI_COM_DATA_MASK);
779 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 780
1da177e4
LT		 781 tw32_f(MAC_MI_COM, frame_val);
782
783 loops = PHY_BUSY_LOOPS;
784 while (loops != 0) {
785 udelay(10);
786 frame_val = tr32(MAC_MI_COM);
787 if ((frame_val & MI_COM_BUSY) == 0) {
788 udelay(5);
789 frame_val = tr32(MAC_MI_COM);
790 break;
791 }
792 loops -= 1;
793 }
794
795 ret = -EBUSY;
796 if (loops != 0)
797 ret = 0;
798
799 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
800 tw32_f(MAC_MI_MODE, tp->mi_mode);
801 udelay(80);
802 }
803
804 return ret;
805}
806
9ef8ca99
MC		 807static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
808{
809 u32 phy;
810
811 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
812 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
813 return;
814
815 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
816 u32 ephy;
817
818 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
819 tg3_writephy(tp, MII_TG3_EPHY_TEST,
820 ephy | MII_TG3_EPHY_SHADOW_EN);
821 if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
822 if (enable)
823 phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
824 else
825 phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
826 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
827 }
828 tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
829 }
830 } else {
831 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
832 MII_TG3_AUXCTL_SHDWSEL_MISC;
833 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
834 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
835 if (enable)
836 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
837 else
838 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
839 phy |= MII_TG3_AUXCTL_MISC_WREN;
840 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
841 }
842 }
843}
844
1da177e4
LT		 845static void tg3_phy_set_wirespeed(struct tg3 *tp)
846{
847 u32 val;
848
849 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
850 return;
851
852 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
853 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
854 tg3_writephy(tp, MII_TG3_AUX_CTRL,
855 (val | (1 << 15) | (1 << 4)));
856}
857
858static int tg3_bmcr_reset(struct tg3 *tp)
859{
860 u32 phy_control;
861 int limit, err;
862
863 /* OK, reset it, and poll the BMCR_RESET bit until it
864 * clears or we time out.
865 */
866 phy_control = BMCR_RESET;
867 err = tg3_writephy(tp, MII_BMCR, phy_control);
868 if (err != 0)
869 return -EBUSY;
870
871 limit = 5000;
872 while (limit--) {
873 err = tg3_readphy(tp, MII_BMCR, &phy_control);
874 if (err != 0)
875 return -EBUSY;
876
877 if ((phy_control & BMCR_RESET) == 0) {
878 udelay(40);
879 break;
880 }
881 udelay(10);
882 }
883 if (limit <= 0)
884 return -EBUSY;
885
886 return 0;
887}
888
889static int tg3_wait_macro_done(struct tg3 *tp)
890{
891 int limit = 100;
892
893 while (limit--) {
894 u32 tmp32;
895
896 if (!tg3_readphy(tp, 0x16, &tmp32)) {
897 if ((tmp32 & 0x1000) == 0)
898 break;
899 }
900 }
901 if (limit <= 0)
902 return -EBUSY;
903
904 return 0;
905}
906
907static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
908{
909 static const u32 test_pat[4][6] = {
910 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
911 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
912 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
913 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
914 };
915 int chan;
916
917 for (chan = 0; chan < 4; chan++) {
918 int i;
919
920 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
921 (chan * 0x2000) | 0x0200);
922 tg3_writephy(tp, 0x16, 0x0002);
923
924 for (i = 0; i < 6; i++)
925 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
926 test_pat[chan][i]);
927
928 tg3_writephy(tp, 0x16, 0x0202);
929 if (tg3_wait_macro_done(tp)) {
930 *resetp = 1;
931 return -EBUSY;
932 }
933
934 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
935 (chan * 0x2000) | 0x0200);
936 tg3_writephy(tp, 0x16, 0x0082);
937 if (tg3_wait_macro_done(tp)) {
938 *resetp = 1;
939 return -EBUSY;
940 }
941
942 tg3_writephy(tp, 0x16, 0x0802);
943 if (tg3_wait_macro_done(tp)) {
944 *resetp = 1;
945 return -EBUSY;
946 }
947
948 for (i = 0; i < 6; i += 2) {
949 u32 low, high;
950
951 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
952 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
953 tg3_wait_macro_done(tp)) {
954 *resetp = 1;
955 return -EBUSY;
956 }
957 low &= 0x7fff;
958 high &= 0x000f;
959 if (low != test_pat[chan][i] ||
960 high != test_pat[chan][i+1]) {
961 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
962 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
963 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
964
965 return -EBUSY;
966 }
967 }
968 }
969
970 return 0;
971}
972
973static int tg3_phy_reset_chanpat(struct tg3 *tp)
974{
975 int chan;
976
977 for (chan = 0; chan < 4; chan++) {
978 int i;
979
980 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
981 (chan * 0x2000) | 0x0200);
982 tg3_writephy(tp, 0x16, 0x0002);
983 for (i = 0; i < 6; i++)
984 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
985 tg3_writephy(tp, 0x16, 0x0202);
986 if (tg3_wait_macro_done(tp))
987 return -EBUSY;
988 }
989
990 return 0;
991}
992
993static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
994{
995 u32 reg32, phy9_orig;
996 int retries, do_phy_reset, err;
997
998 retries = 10;
999 do_phy_reset = 1;
1000 do {
1001 if (do_phy_reset) {
1002 err = tg3_bmcr_reset(tp);
1003 if (err)
1004 return err;
1005 do_phy_reset = 0;
1006 }
1007
1008 /* Disable transmitter and interrupt. */
1009 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1010 continue;
1011
1012 reg32 |= 0x3000;
1013 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1014
1015 /* Set full-duplex, 1000 mbps. */
1016 tg3_writephy(tp, MII_BMCR,
1017 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1018
1019 /* Set to master mode. */
1020 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1021 continue;
1022
1023 tg3_writephy(tp, MII_TG3_CTRL,
1024 (MII_TG3_CTRL_AS_MASTER |
1025 MII_TG3_CTRL_ENABLE_AS_MASTER));
1026
1027 /* Enable SM_DSP_CLOCK and 6dB. */
1028 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1029
1030 /* Block the PHY control access. */
1031 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1032 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1033
1034 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1035 if (!err)
1036 break;
1037 } while (--retries);
1038
1039 err = tg3_phy_reset_chanpat(tp);
1040 if (err)
1041 return err;
1042
1043 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1044 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1045
1046 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1047 tg3_writephy(tp, 0x16, 0x0000);
1048
1049 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1050 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1051 /* Set Extended packet length bit for jumbo frames */
1052 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1053 }
1054 else {
1055 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1056 }
1057
1058 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1059
1060 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1061 reg32 &= ~0x3000;
1062 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1063 } else if (!err)
1064 err = -EBUSY;
1065
1066 return err;
1067}
1068
c8e1e82b
MC		 1069static void tg3_link_report(struct tg3 *);
1070
1da177e4
LT		 1071/* This will reset the tigon3 PHY if there is no valid
1072 * link unless the FORCE argument is non-zero.
1073 */
1074static int tg3_phy_reset(struct tg3 *tp)
1075{
1076 u32 phy_status;
1077 int err;
1078
60189ddf
MC		 1079 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1080 u32 val;
1081
1082 val = tr32(GRC_MISC_CFG);
1083 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1084 udelay(40);
1085 }
1da177e4
LT		 1086 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1087 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1088 if (err != 0)
1089 return -EBUSY;
1090
c8e1e82b
MC		 1091 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1092 netif_carrier_off(tp->dev);
1093 tg3_link_report(tp);
1094 }
1095
1da177e4
LT		 1096 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1097 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1098 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1099 err = tg3_phy_reset_5703_4_5(tp);
1100 if (err)
1101 return err;
1102 goto out;
1103 }
1104
1105 err = tg3_bmcr_reset(tp);
1106 if (err)
1107 return err;
1108
ce057f01
MC		 1109 if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0 ||
1110 tp->pci_chip_rev_id == CHIPREV_ID_5761_A0) {
1111 u32 val;
1112
1113 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1114 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1115 CPMU_LSPD_1000MB_MACCLK_12_5) {
1116 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1117 udelay(40);
1118 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1119 }
1120 }
1121
1da177e4
LT		 1122out:
1123 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1124 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1125 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1126 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1127 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1128 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1129 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1130 }
1131 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1132 tg3_writephy(tp, 0x1c, 0x8d68);
1133 tg3_writephy(tp, 0x1c, 0x8d68);
1134 }
1135 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1136 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1137 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1138 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1139 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1140 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1141 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1142 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1143 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1144 }
c424cb24
MC		 1145 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1146 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1147 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1148 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1149 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1150 tg3_writephy(tp, MII_TG3_TEST1,
1151 MII_TG3_TEST1_TRIM_EN | 0x4);
1152 } else
1153 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1154 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1155 }
1da177e4
LT		 1156 /* Set Extended packet length bit (bit 14) on all chips that */
1157 /* support jumbo frames */
1158 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1159 /* Cannot do read-modify-write on 5401 */
1160 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
0f893dc6 1161 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1162 u32 phy_reg;
1163
1164 /* Set bit 14 with read-modify-write to preserve other bits */
1165 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1166 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1167 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1168 }
1169
1170 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1171 * jumbo frames transmission.
1172 */
0f893dc6 1173 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1174 u32 phy_reg;
1175
1176 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1177 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1178 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1179 }
1180
715116a1 1181 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
715116a1
MC		 1182 /* adjust output voltage */
1183 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
715116a1
MC		 1184 }
1185
9ef8ca99 1186 tg3_phy_toggle_automdix(tp, 1);
1da177e4
LT		 1187 tg3_phy_set_wirespeed(tp);
1188 return 0;
1189}
1190
1191static void tg3_frob_aux_power(struct tg3 *tp)
1192{
1193 struct tg3 *tp_peer = tp;
1194
9d26e213 1195 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 1196 return;
1197
8c2dc7e1
MC		 1198 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1199 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1200 struct net_device *dev_peer;
1201
1202 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 1203 /* remove_one() may have been run on the peer. */
8c2dc7e1 1204 if (!dev_peer)
bc1c7567
MC		 1205 tp_peer = tp;
1206 else
1207 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 1208 }
1209
1da177e4 1210 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 1211 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1212 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1213 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 1214 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1215 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 1216 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1217 (GRC_LCLCTRL_GPIO_OE0 |
1218 GRC_LCLCTRL_GPIO_OE1 |
1219 GRC_LCLCTRL_GPIO_OE2 |
1220 GRC_LCLCTRL_GPIO_OUTPUT0 |
1221 GRC_LCLCTRL_GPIO_OUTPUT1),
1222 100);
1da177e4
LT		 1223 } else {
1224 u32 no_gpio2;
dc56b7d4 1225 u32 grc_local_ctrl = 0;
1da177e4
LT		 1226
1227 if (tp_peer != tp &&
1228 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1229 return;
1230
dc56b7d4
MC		 1231 /* Workaround to prevent overdrawing Amps. */
1232 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1233 ASIC_REV_5714) {
1234 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 1235 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1236 grc_local_ctrl, 100);
dc56b7d4
MC		 1237 }
1238
1da177e4
LT		 1239 /* On 5753 and variants, GPIO2 cannot be used. */
1240 no_gpio2 = tp->nic_sram_data_cfg &
1241 NIC_SRAM_DATA_CFG_NO_GPIO2;
1242
dc56b7d4 1243 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 1244 GRC_LCLCTRL_GPIO_OE1 |
1245 GRC_LCLCTRL_GPIO_OE2 |
1246 GRC_LCLCTRL_GPIO_OUTPUT1 |
1247 GRC_LCLCTRL_GPIO_OUTPUT2;
1248 if (no_gpio2) {
1249 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1250 GRC_LCLCTRL_GPIO_OUTPUT2);
1251 }
b401e9e2
MC		 1252 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1253 grc_local_ctrl, 100);
1da177e4
LT		 1254
1255 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1256
b401e9e2
MC		 1257 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1258 grc_local_ctrl, 100);
1da177e4
LT		 1259
1260 if (!no_gpio2) {
1261 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 1262 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1263 grc_local_ctrl, 100);
1da177e4
LT		 1264 }
1265 }
1266 } else {
1267 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1268 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1269 if (tp_peer != tp &&
1270 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1271 return;
1272
b401e9e2
MC		 1273 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1274 (GRC_LCLCTRL_GPIO_OE1 |
1275 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 1276
b401e9e2
MC		 1277 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1278 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 1279
b401e9e2
MC		 1280 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1281 (GRC_LCLCTRL_GPIO_OE1 |
1282 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 1283 }
1284 }
1285}
1286
e8f3f6ca
MC		 1287static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
1288{
1289 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
1290 return 1;
1291 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
1292 if (speed != SPEED_10)
1293 return 1;
1294 } else if (speed == SPEED_10)
1295 return 1;
1296
1297 return 0;
1298}
1299
1da177e4
LT		 1300static int tg3_setup_phy(struct tg3 *, int);
1301
1302#define RESET_KIND_SHUTDOWN 0
1303#define RESET_KIND_INIT 1
1304#define RESET_KIND_SUSPEND 2
1305
1306static void tg3_write_sig_post_reset(struct tg3 *, int);
1307static int tg3_halt_cpu(struct tg3 *, u32);
6921d201
MC		 1308static int tg3_nvram_lock(struct tg3 *);
1309static void tg3_nvram_unlock(struct tg3 *);
1da177e4 1310
15c3b696
MC		 1311static void tg3_power_down_phy(struct tg3 *tp)
1312{
ce057f01
MC		 1313 u32 val;
1314
5129724a
MC		 1315 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1316 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1317 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1318 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1319
1320 sg_dig_ctrl |=
1321 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1322 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1323 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1324 }
3f7045c1 1325 return;
5129724a 1326 }
3f7045c1 1327
60189ddf 1328 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
60189ddf
MC		 1329 tg3_bmcr_reset(tp);
1330 val = tr32(GRC_MISC_CFG);
1331 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1332 udelay(40);
1333 return;
1334 } else {
715116a1
MC		 1335 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1336 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1337 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1338 }
3f7045c1 1339
15c3b696
MC		 1340 /* The PHY should not be powered down on some chips because
1341 * of bugs.
1342 */
1343 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1344 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1345 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1346 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1347 return;
ce057f01
MC		 1348
1349 if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0 ||
1350 tp->pci_chip_rev_id == CHIPREV_ID_5761_A0) {
1351 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1352 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1353 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
1354 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1355 }
1356
15c3b696
MC		 1357 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1358}
1359
bc1c7567 1360static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 1361{
1362 u32 misc_host_ctrl;
1363 u16 power_control, power_caps;
1364 int pm = tp->pm_cap;
1365
1366 /* Make sure register accesses (indirect or otherwise)
1367 * will function correctly.
1368 */
1369 pci_write_config_dword(tp->pdev,
1370 TG3PCI_MISC_HOST_CTRL,
1371 tp->misc_host_ctrl);
1372
1373 pci_read_config_word(tp->pdev,
1374 pm + PCI_PM_CTRL,
1375 &power_control);
1376 power_control |= PCI_PM_CTRL_PME_STATUS;
1377 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1378 switch (state) {
bc1c7567 1379 case PCI_D0:
1da177e4
LT		 1380 power_control |= 0;
1381 pci_write_config_word(tp->pdev,
1382 pm + PCI_PM_CTRL,
1383 power_control);
8c6bda1a
MC		 1384 udelay(100); /* Delay after power state change */
1385
9d26e213
MC		 1386 /* Switch out of Vaux if it is a NIC */
1387 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 1388 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 1389
1390 return 0;
1391
bc1c7567 1392 case PCI_D1:
1da177e4
LT		 1393 power_control |= 1;
1394 break;
1395
bc1c7567 1396 case PCI_D2:
1da177e4
LT		 1397 power_control |= 2;
1398 break;
1399
bc1c7567 1400 case PCI_D3hot:
1da177e4
LT		 1401 power_control |= 3;
1402 break;
1403
1404 default:
1405 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1406 "requested.\n",
1407 tp->dev->name, state);
1408 return -EINVAL;
1409 };
1410
1411 power_control |= PCI_PM_CTRL_PME_ENABLE;
1412
1413 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1414 tw32(TG3PCI_MISC_HOST_CTRL,
1415 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1416
1417 if (tp->link_config.phy_is_low_power == 0) {
1418 tp->link_config.phy_is_low_power = 1;
1419 tp->link_config.orig_speed = tp->link_config.speed;
1420 tp->link_config.orig_duplex = tp->link_config.duplex;
1421 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1422 }
1423
747e8f8b 1424 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 1425 tp->link_config.speed = SPEED_10;
1426 tp->link_config.duplex = DUPLEX_HALF;
1427 tp->link_config.autoneg = AUTONEG_ENABLE;
1428 tg3_setup_phy(tp, 0);
1429 }
1430
b5d3772c
MC		 1431 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1432 u32 val;
1433
1434 val = tr32(GRC_VCPU_EXT_CTRL);
1435 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1436 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 1437 int i;
1438 u32 val;
1439
1440 for (i = 0; i < 200; i++) {
1441 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1442 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1443 break;
1444 msleep(1);
1445 }
1446 }
a85feb8c
GZ		 1447 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
1448 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1449 WOL_DRV_STATE_SHUTDOWN |
1450 WOL_DRV_WOL |
1451 WOL_SET_MAGIC_PKT);
6921d201 1452
1da177e4
LT		 1453 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1454
1455 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1456 u32 mac_mode;
1457
1458 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1459 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1460 udelay(40);
1461
3f7045c1
MC		 1462 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1463 mac_mode = MAC_MODE_PORT_MODE_GMII;
1464 else
1465 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4 1466
e8f3f6ca
MC		 1467 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
1468 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1469 ASIC_REV_5700) {
1470 u32 speed = (tp->tg3_flags &
1471 TG3_FLAG_WOL_SPEED_100MB) ?
1472 SPEED_100 : SPEED_10;
1473 if (tg3_5700_link_polarity(tp, speed))
1474 mac_mode |= MAC_MODE_LINK_POLARITY;
1475 else
1476 mac_mode &= ~MAC_MODE_LINK_POLARITY;
1477 }
1da177e4
LT		 1478 } else {
1479 mac_mode = MAC_MODE_PORT_MODE_TBI;
1480 }
1481
cbf46853 1482 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 1483 tw32(MAC_LED_CTRL, tp->led_ctrl);
1484
1485 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1486 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1487 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1488
1489 tw32_f(MAC_MODE, mac_mode);
1490 udelay(100);
1491
1492 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1493 udelay(10);
1494 }
1495
1496 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1497 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1498 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1499 u32 base_val;
1500
1501 base_val = tp->pci_clock_ctrl;
1502 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1503 CLOCK_CTRL_TXCLK_DISABLE);
1504
b401e9e2
MC		 1505 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1506 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857 1507 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
795d01c5 1508 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
d7b0a857 1509 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 1510 /* do nothing */
85e94ced 1511 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 1512 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1513 u32 newbits1, newbits2;
1514
1515 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1516 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1517 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1518 CLOCK_CTRL_TXCLK_DISABLE |
1519 CLOCK_CTRL_ALTCLK);
1520 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1521 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1522 newbits1 = CLOCK_CTRL_625_CORE;
1523 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1524 } else {
1525 newbits1 = CLOCK_CTRL_ALTCLK;
1526 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1527 }
1528
b401e9e2
MC		 1529 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1530 40);
1da177e4 1531
b401e9e2
MC		 1532 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1533 40);
1da177e4
LT		 1534
1535 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1536 u32 newbits3;
1537
1538 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1539 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1540 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1541 CLOCK_CTRL_TXCLK_DISABLE |
1542 CLOCK_CTRL_44MHZ_CORE);
1543 } else {
1544 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1545 }
1546
b401e9e2
MC		 1547 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1548 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 1549 }
1550 }
1551
6921d201 1552 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
0d3031d9
MC		 1553 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
1554 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
3f7045c1 1555 tg3_power_down_phy(tp);
6921d201 1556
1da177e4
LT		 1557 tg3_frob_aux_power(tp);
1558
1559 /* Workaround for unstable PLL clock */
1560 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1561 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1562 u32 val = tr32(0x7d00);
1563
1564 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1565 tw32(0x7d00, val);
6921d201 1566 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 1567 int err;
1568
1569 err = tg3_nvram_lock(tp);
1da177e4 1570 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 1571 if (!err)
1572 tg3_nvram_unlock(tp);
6921d201 1573 }
1da177e4
LT		 1574 }
1575
bbadf503
MC		 1576 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1577
1da177e4
LT		 1578 /* Finally, set the new power state. */
1579 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
8c6bda1a 1580 udelay(100); /* Delay after power state change */
1da177e4 1581
1da177e4
LT		 1582 return 0;
1583}
1584
1585static void tg3_link_report(struct tg3 *tp)
1586{
1587 if (!netif_carrier_ok(tp->dev)) {
9f88f29f
MC		 1588 if (netif_msg_link(tp))
1589 printk(KERN_INFO PFX "%s: Link is down.\n",
1590 tp->dev->name);
1591 } else if (netif_msg_link(tp)) {
1da177e4
LT		 1592 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1593 tp->dev->name,
1594 (tp->link_config.active_speed == SPEED_1000 ?
1595 1000 :
1596 (tp->link_config.active_speed == SPEED_100 ?
1597 100 : 10)),
1598 (tp->link_config.active_duplex == DUPLEX_FULL ?
1599 "full" : "half"));
1600
1601 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1602 "%s for RX.\n",
1603 tp->dev->name,
1604 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1605 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1606 }
1607}
1608
1609static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1610{
1611 u32 new_tg3_flags = 0;
1612 u32 old_rx_mode = tp->rx_mode;
1613 u32 old_tx_mode = tp->tx_mode;
1614
1615 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
747e8f8b
MC		 1616
1617 /* Convert 1000BaseX flow control bits to 1000BaseT
1618 * bits before resolving flow control.
1619 */
1620 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1621 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1622 ADVERTISE_PAUSE_ASYM);
1623 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1624
1625 if (local_adv & ADVERTISE_1000XPAUSE)
1626 local_adv |= ADVERTISE_PAUSE_CAP;
1627 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1628 local_adv |= ADVERTISE_PAUSE_ASYM;
1629 if (remote_adv & LPA_1000XPAUSE)
1630 remote_adv |= LPA_PAUSE_CAP;
1631 if (remote_adv & LPA_1000XPAUSE_ASYM)
1632 remote_adv |= LPA_PAUSE_ASYM;
1633 }
1634
1da177e4
LT		 1635 if (local_adv & ADVERTISE_PAUSE_CAP) {
1636 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1637 if (remote_adv & LPA_PAUSE_CAP)
1638 new_tg3_flags |=
1639 (TG3_FLAG_RX_PAUSE |
1640 TG3_FLAG_TX_PAUSE);
1641 else if (remote_adv & LPA_PAUSE_ASYM)
1642 new_tg3_flags |=
1643 (TG3_FLAG_RX_PAUSE);
1644 } else {
1645 if (remote_adv & LPA_PAUSE_CAP)
1646 new_tg3_flags |=
1647 (TG3_FLAG_RX_PAUSE |
1648 TG3_FLAG_TX_PAUSE);
1649 }
1650 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1651 if ((remote_adv & LPA_PAUSE_CAP) &&
1652 (remote_adv & LPA_PAUSE_ASYM))
1653 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1654 }
1655
1656 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1657 tp->tg3_flags |= new_tg3_flags;
1658 } else {
1659 new_tg3_flags = tp->tg3_flags;
1660 }
1661
1662 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1663 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1664 else
1665 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1666
1667 if (old_rx_mode != tp->rx_mode) {
1668 tw32_f(MAC_RX_MODE, tp->rx_mode);
1669 }
6aa20a22 1670
1da177e4
LT		 1671 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1672 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1673 else
1674 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1675
1676 if (old_tx_mode != tp->tx_mode) {
1677 tw32_f(MAC_TX_MODE, tp->tx_mode);
1678 }
1679}
1680
1681static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1682{
1683 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1684 case MII_TG3_AUX_STAT_10HALF:
1685 *speed = SPEED_10;
1686 *duplex = DUPLEX_HALF;
1687 break;
1688
1689 case MII_TG3_AUX_STAT_10FULL:
1690 *speed = SPEED_10;
1691 *duplex = DUPLEX_FULL;
1692 break;
1693
1694 case MII_TG3_AUX_STAT_100HALF:
1695 *speed = SPEED_100;
1696 *duplex = DUPLEX_HALF;
1697 break;
1698
1699 case MII_TG3_AUX_STAT_100FULL:
1700 *speed = SPEED_100;
1701 *duplex = DUPLEX_FULL;
1702 break;
1703
1704 case MII_TG3_AUX_STAT_1000HALF:
1705 *speed = SPEED_1000;
1706 *duplex = DUPLEX_HALF;
1707 break;
1708
1709 case MII_TG3_AUX_STAT_1000FULL:
1710 *speed = SPEED_1000;
1711 *duplex = DUPLEX_FULL;
1712 break;
1713
1714 default:
715116a1
MC		 1715 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1716 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1717 SPEED_10;
1718 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1719 DUPLEX_HALF;
1720 break;
1721 }
1da177e4
LT		 1722 *speed = SPEED_INVALID;
1723 *duplex = DUPLEX_INVALID;
1724 break;
1725 };
1726}
1727
1728static void tg3_phy_copper_begin(struct tg3 *tp)
1729{
1730 u32 new_adv;
1731 int i;
1732
1733 if (tp->link_config.phy_is_low_power) {
1734 /* Entering low power mode. Disable gigabit and
1735 * 100baseT advertisements.
1736 */
1737 tg3_writephy(tp, MII_TG3_CTRL, 0);
1738
1739 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1740 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1741 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1742 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1743
1744 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1745 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 1746 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1747 tp->link_config.advertising &=
1748 ~(ADVERTISED_1000baseT_Half |
1749 ADVERTISED_1000baseT_Full);
1750
1751 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1752 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1753 new_adv |= ADVERTISE_10HALF;
1754 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1755 new_adv |= ADVERTISE_10FULL;
1756 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1757 new_adv |= ADVERTISE_100HALF;
1758 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1759 new_adv |= ADVERTISE_100FULL;
1760 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1761
1762 if (tp->link_config.advertising &
1763 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1764 new_adv = 0;
1765 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1766 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1767 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1768 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1769 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1770 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1771 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1772 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1773 MII_TG3_CTRL_ENABLE_AS_MASTER);
1774 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1775 } else {
1776 tg3_writephy(tp, MII_TG3_CTRL, 0);
1777 }
1778 } else {
1779 /* Asking for a specific link mode. */
1780 if (tp->link_config.speed == SPEED_1000) {
1781 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1782 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1783
1784 if (tp->link_config.duplex == DUPLEX_FULL)
1785 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1786 else
1787 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1788 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1789 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1790 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1791 MII_TG3_CTRL_ENABLE_AS_MASTER);
1792 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1793 } else {
1794 tg3_writephy(tp, MII_TG3_CTRL, 0);
1795
1796 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1797 if (tp->link_config.speed == SPEED_100) {
1798 if (tp->link_config.duplex == DUPLEX_FULL)
1799 new_adv |= ADVERTISE_100FULL;
1800 else
1801 new_adv |= ADVERTISE_100HALF;
1802 } else {
1803 if (tp->link_config.duplex == DUPLEX_FULL)
1804 new_adv |= ADVERTISE_10FULL;
1805 else
1806 new_adv |= ADVERTISE_10HALF;
1807 }
1808 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1809 }
1810 }
1811
1812 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1813 tp->link_config.speed != SPEED_INVALID) {
1814 u32 bmcr, orig_bmcr;
1815
1816 tp->link_config.active_speed = tp->link_config.speed;
1817 tp->link_config.active_duplex = tp->link_config.duplex;
1818
1819 bmcr = 0;
1820 switch (tp->link_config.speed) {
1821 default:
1822 case SPEED_10:
1823 break;
1824
1825 case SPEED_100:
1826 bmcr |= BMCR_SPEED100;
1827 break;
1828
1829 case SPEED_1000:
1830 bmcr |= TG3_BMCR_SPEED1000;
1831 break;
1832 };
1833
1834 if (tp->link_config.duplex == DUPLEX_FULL)
1835 bmcr |= BMCR_FULLDPLX;
1836
1837 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1838 (bmcr != orig_bmcr)) {
1839 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1840 for (i = 0; i < 1500; i++) {
1841 u32 tmp;
1842
1843 udelay(10);
1844 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1845 tg3_readphy(tp, MII_BMSR, &tmp))
1846 continue;
1847 if (!(tmp & BMSR_LSTATUS)) {
1848 udelay(40);
1849 break;
1850 }
1851 }
1852 tg3_writephy(tp, MII_BMCR, bmcr);
1853 udelay(40);
1854 }
1855 } else {
1856 tg3_writephy(tp, MII_BMCR,
1857 BMCR_ANENABLE | BMCR_ANRESTART);
1858 }
1859}
1860
1861static int tg3_init_5401phy_dsp(struct tg3 *tp)
1862{
1863 int err;
1864
1865 /* Turn off tap power management. */
1866 /* Set Extended packet length bit */
1867 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1868
1869 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1870 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1871
1872 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1873 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1874
1875 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1876 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1877
1878 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1879 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1880
1881 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1882 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1883
1884 udelay(40);
1885
1886 return err;
1887}
1888
3600d918 1889static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 1890{
3600d918
MC		 1891 u32 adv_reg, all_mask = 0;
1892
1893 if (mask & ADVERTISED_10baseT_Half)
1894 all_mask |= ADVERTISE_10HALF;
1895 if (mask & ADVERTISED_10baseT_Full)
1896 all_mask |= ADVERTISE_10FULL;
1897 if (mask & ADVERTISED_100baseT_Half)
1898 all_mask |= ADVERTISE_100HALF;
1899 if (mask & ADVERTISED_100baseT_Full)
1900 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 1901
1902 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1903 return 0;
1904
1da177e4
LT		 1905 if ((adv_reg & all_mask) != all_mask)
1906 return 0;
1907 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1908 u32 tg3_ctrl;
1909
3600d918
MC		 1910 all_mask = 0;
1911 if (mask & ADVERTISED_1000baseT_Half)
1912 all_mask |= ADVERTISE_1000HALF;
1913 if (mask & ADVERTISED_1000baseT_Full)
1914 all_mask |= ADVERTISE_1000FULL;
1915
1da177e4
LT		 1916 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1917 return 0;
1918
1da177e4
LT		 1919 if ((tg3_ctrl & all_mask) != all_mask)
1920 return 0;
1921 }
1922 return 1;
1923}
1924
1925static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1926{
1927 int current_link_up;
1928 u32 bmsr, dummy;
1929 u16 current_speed;
1930 u8 current_duplex;
1931 int i, err;
1932
1933 tw32(MAC_EVENT, 0);
1934
1935 tw32_f(MAC_STATUS,
1936 (MAC_STATUS_SYNC_CHANGED |
1937 MAC_STATUS_CFG_CHANGED |
1938 MAC_STATUS_MI_COMPLETION |
1939 MAC_STATUS_LNKSTATE_CHANGED));
1940 udelay(40);
1941
1942 tp->mi_mode = MAC_MI_MODE_BASE;
1943 tw32_f(MAC_MI_MODE, tp->mi_mode);
1944 udelay(80);
1945
1946 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1947
1948 /* Some third-party PHYs need to be reset on link going
1949 * down.
1950 */
1951 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1952 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1953 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1954 netif_carrier_ok(tp->dev)) {
1955 tg3_readphy(tp, MII_BMSR, &bmsr);
1956 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1957 !(bmsr & BMSR_LSTATUS))
1958 force_reset = 1;
1959 }
1960 if (force_reset)
1961 tg3_phy_reset(tp);
1962
1963 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1964 tg3_readphy(tp, MII_BMSR, &bmsr);
1965 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1966 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1967 bmsr = 0;
1968
1969 if (!(bmsr & BMSR_LSTATUS)) {
1970 err = tg3_init_5401phy_dsp(tp);
1971 if (err)
1972 return err;
1973
1974 tg3_readphy(tp, MII_BMSR, &bmsr);
1975 for (i = 0; i < 1000; i++) {
1976 udelay(10);
1977 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1978 (bmsr & BMSR_LSTATUS)) {
1979 udelay(40);
1980 break;
1981 }
1982 }
1983
1984 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1985 !(bmsr & BMSR_LSTATUS) &&
1986 tp->link_config.active_speed == SPEED_1000) {
1987 err = tg3_phy_reset(tp);
1988 if (!err)
1989 err = tg3_init_5401phy_dsp(tp);
1990 if (err)
1991 return err;
1992 }
1993 }
1994 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1995 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1996 /* 5701 {A0,B0} CRC bug workaround */
1997 tg3_writephy(tp, 0x15, 0x0a75);
1998 tg3_writephy(tp, 0x1c, 0x8c68);
1999 tg3_writephy(tp, 0x1c, 0x8d68);
2000 tg3_writephy(tp, 0x1c, 0x8c68);
2001 }
2002
2003 /* Clear pending interrupts... */
2004 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2005 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2006
2007 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
2008 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
715116a1 2009 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1da177e4
LT		 2010 tg3_writephy(tp, MII_TG3_IMASK, ~0);
2011
2012 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2013 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2014 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
2015 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2016 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
2017 else
2018 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
2019 }
2020
2021 current_link_up = 0;
2022 current_speed = SPEED_INVALID;
2023 current_duplex = DUPLEX_INVALID;
2024
2025 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
2026 u32 val;
2027
2028 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
2029 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
2030 if (!(val & (1 << 10))) {
2031 val |= (1 << 10);
2032 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
2033 goto relink;
2034 }
2035 }
2036
2037 bmsr = 0;
2038 for (i = 0; i < 100; i++) {
2039 tg3_readphy(tp, MII_BMSR, &bmsr);
2040 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2041 (bmsr & BMSR_LSTATUS))
2042 break;
2043 udelay(40);
2044 }
2045
2046 if (bmsr & BMSR_LSTATUS) {
2047 u32 aux_stat, bmcr;
2048
2049 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
2050 for (i = 0; i < 2000; i++) {
2051 udelay(10);
2052 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
2053 aux_stat)
2054 break;
2055 }
2056
2057 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
2058 &current_speed,
2059 &current_duplex);
2060
2061 bmcr = 0;
2062 for (i = 0; i < 200; i++) {
2063 tg3_readphy(tp, MII_BMCR, &bmcr);
2064 if (tg3_readphy(tp, MII_BMCR, &bmcr))
2065 continue;
2066 if (bmcr && bmcr != 0x7fff)
2067 break;
2068 udelay(10);
2069 }
2070
2071 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2072 if (bmcr & BMCR_ANENABLE) {
2073 current_link_up = 1;
2074
2075 /* Force autoneg restart if we are exiting
2076 * low power mode.
2077 */
3600d918
MC		 2078 if (!tg3_copper_is_advertising_all(tp,
2079 tp->link_config.advertising))
1da177e4
LT		 2080 current_link_up = 0;
2081 } else {
2082 current_link_up = 0;
2083 }
2084 } else {
2085 if (!(bmcr & BMCR_ANENABLE) &&
2086 tp->link_config.speed == current_speed &&
2087 tp->link_config.duplex == current_duplex) {
2088 current_link_up = 1;
2089 } else {
2090 current_link_up = 0;
2091 }
2092 }
2093
2094 tp->link_config.active_speed = current_speed;
2095 tp->link_config.active_duplex = current_duplex;
2096 }
2097
2098 if (current_link_up == 1 &&
2099 (tp->link_config.active_duplex == DUPLEX_FULL) &&
2100 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2101 u32 local_adv, remote_adv;
2102
2103 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
2104 local_adv = 0;
2105 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2106
2107 if (tg3_readphy(tp, MII_LPA, &remote_adv))
2108 remote_adv = 0;
2109
2110 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
2111
2112 /* If we are not advertising full pause capability,
2113 * something is wrong. Bring the link down and reconfigure.
2114 */
2115 if (local_adv != ADVERTISE_PAUSE_CAP) {
2116 current_link_up = 0;
2117 } else {
2118 tg3_setup_flow_control(tp, local_adv, remote_adv);
2119 }
2120 }
2121relink:
6921d201 2122 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 2123 u32 tmp;
2124
2125 tg3_phy_copper_begin(tp);
2126
2127 tg3_readphy(tp, MII_BMSR, &tmp);
2128 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
2129 (tmp & BMSR_LSTATUS))
2130 current_link_up = 1;
2131 }
2132
2133 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
2134 if (current_link_up == 1) {
2135 if (tp->link_config.active_speed == SPEED_100 ||
2136 tp->link_config.active_speed == SPEED_10)
2137 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
2138 else
2139 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2140 } else
2141 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2142
2143 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2144 if (tp->link_config.active_duplex == DUPLEX_HALF)
2145 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2146
1da177e4 2147 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
e8f3f6ca
MC		 2148 if (current_link_up == 1 &&
2149 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
1da177e4 2150 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
e8f3f6ca
MC		 2151 else
2152 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1da177e4
LT		 2153 }
2154
2155 /* ??? Without this setting Netgear GA302T PHY does not
2156 * ??? send/receive packets...
2157 */
2158 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2159 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2160 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2161 tw32_f(MAC_MI_MODE, tp->mi_mode);
2162 udelay(80);
2163 }
2164
2165 tw32_f(MAC_MODE, tp->mac_mode);
2166 udelay(40);
2167
2168 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2169 /* Polled via timer. */
2170 tw32_f(MAC_EVENT, 0);
2171 } else {
2172 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2173 }
2174 udelay(40);
2175
2176 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2177 current_link_up == 1 &&
2178 tp->link_config.active_speed == SPEED_1000 &&
2179 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2180 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2181 udelay(120);
2182 tw32_f(MAC_STATUS,
2183 (MAC_STATUS_SYNC_CHANGED |
2184 MAC_STATUS_CFG_CHANGED));
2185 udelay(40);
2186 tg3_write_mem(tp,
2187 NIC_SRAM_FIRMWARE_MBOX,
2188 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2189 }
2190
2191 if (current_link_up != netif_carrier_ok(tp->dev)) {
2192 if (current_link_up)
2193 netif_carrier_on(tp->dev);
2194 else
2195 netif_carrier_off(tp->dev);
2196 tg3_link_report(tp);
2197 }
2198
2199 return 0;
2200}
2201
2202struct tg3_fiber_aneginfo {
2203 int state;
2204#define ANEG_STATE_UNKNOWN 0
2205#define ANEG_STATE_AN_ENABLE 1
2206#define ANEG_STATE_RESTART_INIT 2
2207#define ANEG_STATE_RESTART 3
2208#define ANEG_STATE_DISABLE_LINK_OK 4
2209#define ANEG_STATE_ABILITY_DETECT_INIT 5
2210#define ANEG_STATE_ABILITY_DETECT 6
2211#define ANEG_STATE_ACK_DETECT_INIT 7
2212#define ANEG_STATE_ACK_DETECT 8
2213#define ANEG_STATE_COMPLETE_ACK_INIT 9
2214#define ANEG_STATE_COMPLETE_ACK 10
2215#define ANEG_STATE_IDLE_DETECT_INIT 11
2216#define ANEG_STATE_IDLE_DETECT 12
2217#define ANEG_STATE_LINK_OK 13
2218#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2219#define ANEG_STATE_NEXT_PAGE_WAIT 15
2220
2221 u32 flags;
2222#define MR_AN_ENABLE 0x00000001
2223#define MR_RESTART_AN 0x00000002
2224#define MR_AN_COMPLETE 0x00000004
2225#define MR_PAGE_RX 0x00000008
2226#define MR_NP_LOADED 0x00000010
2227#define MR_TOGGLE_TX 0x00000020
2228#define MR_LP_ADV_FULL_DUPLEX 0x00000040
2229#define MR_LP_ADV_HALF_DUPLEX 0x00000080
2230#define MR_LP_ADV_SYM_PAUSE 0x00000100
2231#define MR_LP_ADV_ASYM_PAUSE 0x00000200
2232#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2233#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2234#define MR_LP_ADV_NEXT_PAGE 0x00001000
2235#define MR_TOGGLE_RX 0x00002000
2236#define MR_NP_RX 0x00004000
2237
2238#define MR_LINK_OK 0x80000000
2239
2240 unsigned long link_time, cur_time;
2241
2242 u32 ability_match_cfg;
2243 int ability_match_count;
2244
2245 char ability_match, idle_match, ack_match;
2246
2247 u32 txconfig, rxconfig;
2248#define ANEG_CFG_NP 0x00000080
2249#define ANEG_CFG_ACK 0x00000040
2250#define ANEG_CFG_RF2 0x00000020
2251#define ANEG_CFG_RF1 0x00000010
2252#define ANEG_CFG_PS2 0x00000001
2253#define ANEG_CFG_PS1 0x00008000
2254#define ANEG_CFG_HD 0x00004000
2255#define ANEG_CFG_FD 0x00002000
2256#define ANEG_CFG_INVAL 0x00001f06
2257
2258};
2259#define ANEG_OK 0
2260#define ANEG_DONE 1
2261#define ANEG_TIMER_ENAB 2
2262#define ANEG_FAILED -1
2263
2264#define ANEG_STATE_SETTLE_TIME 10000
2265
2266static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2267 struct tg3_fiber_aneginfo *ap)
2268{
2269 unsigned long delta;
2270 u32 rx_cfg_reg;
2271 int ret;
2272
2273 if (ap->state == ANEG_STATE_UNKNOWN) {
2274 ap->rxconfig = 0;
2275 ap->link_time = 0;
2276 ap->cur_time = 0;
2277 ap->ability_match_cfg = 0;
2278 ap->ability_match_count = 0;
2279 ap->ability_match = 0;
2280 ap->idle_match = 0;
2281 ap->ack_match = 0;
2282 }
2283 ap->cur_time++;
2284
2285 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2286 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2287
2288 if (rx_cfg_reg != ap->ability_match_cfg) {
2289 ap->ability_match_cfg = rx_cfg_reg;
2290 ap->ability_match = 0;
2291 ap->ability_match_count = 0;
2292 } else {
2293 if (++ap->ability_match_count > 1) {
2294 ap->ability_match = 1;
2295 ap->ability_match_cfg = rx_cfg_reg;
2296 }
2297 }
2298 if (rx_cfg_reg & ANEG_CFG_ACK)
2299 ap->ack_match = 1;
2300 else
2301 ap->ack_match = 0;
2302
2303 ap->idle_match = 0;
2304 } else {
2305 ap->idle_match = 1;
2306 ap->ability_match_cfg = 0;
2307 ap->ability_match_count = 0;
2308 ap->ability_match = 0;
2309 ap->ack_match = 0;
2310
2311 rx_cfg_reg = 0;
2312 }
2313
2314 ap->rxconfig = rx_cfg_reg;
2315 ret = ANEG_OK;
2316
2317 switch(ap->state) {
2318 case ANEG_STATE_UNKNOWN:
2319 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2320 ap->state = ANEG_STATE_AN_ENABLE;
2321
2322 /* fallthru */
2323 case ANEG_STATE_AN_ENABLE:
2324 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2325 if (ap->flags & MR_AN_ENABLE) {
2326 ap->link_time = 0;
2327 ap->cur_time = 0;
2328 ap->ability_match_cfg = 0;
2329 ap->ability_match_count = 0;
2330 ap->ability_match = 0;
2331 ap->idle_match = 0;
2332 ap->ack_match = 0;
2333
2334 ap->state = ANEG_STATE_RESTART_INIT;
2335 } else {
2336 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2337 }
2338 break;
2339
2340 case ANEG_STATE_RESTART_INIT:
2341 ap->link_time = ap->cur_time;
2342 ap->flags &= ~(MR_NP_LOADED);
2343 ap->txconfig = 0;
2344 tw32(MAC_TX_AUTO_NEG, 0);
2345 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2346 tw32_f(MAC_MODE, tp->mac_mode);
2347 udelay(40);
2348
2349 ret = ANEG_TIMER_ENAB;
2350 ap->state = ANEG_STATE_RESTART;
2351
2352 /* fallthru */
2353 case ANEG_STATE_RESTART:
2354 delta = ap->cur_time - ap->link_time;
2355 if (delta > ANEG_STATE_SETTLE_TIME) {
2356 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2357 } else {
2358 ret = ANEG_TIMER_ENAB;
2359 }
2360 break;
2361
2362 case ANEG_STATE_DISABLE_LINK_OK:
2363 ret = ANEG_DONE;
2364 break;
2365
2366 case ANEG_STATE_ABILITY_DETECT_INIT:
2367 ap->flags &= ~(MR_TOGGLE_TX);
2368 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2369 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2370 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2371 tw32_f(MAC_MODE, tp->mac_mode);
2372 udelay(40);
2373
2374 ap->state = ANEG_STATE_ABILITY_DETECT;
2375 break;
2376
2377 case ANEG_STATE_ABILITY_DETECT:
2378 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2379 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2380 }
2381 break;
2382
2383 case ANEG_STATE_ACK_DETECT_INIT:
2384 ap->txconfig |= ANEG_CFG_ACK;
2385 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2386 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2387 tw32_f(MAC_MODE, tp->mac_mode);
2388 udelay(40);
2389
2390 ap->state = ANEG_STATE_ACK_DETECT;
2391
2392 /* fallthru */
2393 case ANEG_STATE_ACK_DETECT:
2394 if (ap->ack_match != 0) {
2395 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2396 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2397 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2398 } else {
2399 ap->state = ANEG_STATE_AN_ENABLE;
2400 }
2401 } else if (ap->ability_match != 0 &&
2402 ap->rxconfig == 0) {
2403 ap->state = ANEG_STATE_AN_ENABLE;
2404 }
2405 break;
2406
2407 case ANEG_STATE_COMPLETE_ACK_INIT:
2408 if (ap->rxconfig & ANEG_CFG_INVAL) {
2409 ret = ANEG_FAILED;
2410 break;
2411 }
2412 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2413 MR_LP_ADV_HALF_DUPLEX |
2414 MR_LP_ADV_SYM_PAUSE |
2415 MR_LP_ADV_ASYM_PAUSE |
2416 MR_LP_ADV_REMOTE_FAULT1 |
2417 MR_LP_ADV_REMOTE_FAULT2 |
2418 MR_LP_ADV_NEXT_PAGE |
2419 MR_TOGGLE_RX |
2420 MR_NP_RX);
2421 if (ap->rxconfig & ANEG_CFG_FD)
2422 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2423 if (ap->rxconfig & ANEG_CFG_HD)
2424 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2425 if (ap->rxconfig & ANEG_CFG_PS1)
2426 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2427 if (ap->rxconfig & ANEG_CFG_PS2)
2428 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2429 if (ap->rxconfig & ANEG_CFG_RF1)
2430 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2431 if (ap->rxconfig & ANEG_CFG_RF2)
2432 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2433 if (ap->rxconfig & ANEG_CFG_NP)
2434 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2435
2436 ap->link_time = ap->cur_time;
2437
2438 ap->flags ^= (MR_TOGGLE_TX);
2439 if (ap->rxconfig & 0x0008)
2440 ap->flags |= MR_TOGGLE_RX;
2441 if (ap->rxconfig & ANEG_CFG_NP)
2442 ap->flags |= MR_NP_RX;
2443 ap->flags |= MR_PAGE_RX;
2444
2445 ap->state = ANEG_STATE_COMPLETE_ACK;
2446 ret = ANEG_TIMER_ENAB;
2447 break;
2448
2449 case ANEG_STATE_COMPLETE_ACK:
2450 if (ap->ability_match != 0 &&
2451 ap->rxconfig == 0) {
2452 ap->state = ANEG_STATE_AN_ENABLE;
2453 break;
2454 }
2455 delta = ap->cur_time - ap->link_time;
2456 if (delta > ANEG_STATE_SETTLE_TIME) {
2457 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2458 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2459 } else {
2460 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2461 !(ap->flags & MR_NP_RX)) {
2462 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2463 } else {
2464 ret = ANEG_FAILED;
2465 }
2466 }
2467 }
2468 break;
2469
2470 case ANEG_STATE_IDLE_DETECT_INIT:
2471 ap->link_time = ap->cur_time;
2472 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2473 tw32_f(MAC_MODE, tp->mac_mode);
2474 udelay(40);
2475
2476 ap->state = ANEG_STATE_IDLE_DETECT;
2477 ret = ANEG_TIMER_ENAB;
2478 break;
2479
2480 case ANEG_STATE_IDLE_DETECT:
2481 if (ap->ability_match != 0 &&
2482 ap->rxconfig == 0) {
2483 ap->state = ANEG_STATE_AN_ENABLE;
2484 break;
2485 }
2486 delta = ap->cur_time - ap->link_time;
2487 if (delta > ANEG_STATE_SETTLE_TIME) {
2488 /* XXX another gem from the Broadcom driver :( */
2489 ap->state = ANEG_STATE_LINK_OK;
2490 }
2491 break;
2492
2493 case ANEG_STATE_LINK_OK:
2494 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2495 ret = ANEG_DONE;
2496 break;
2497
2498 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2499 /* ??? unimplemented */
2500 break;
2501
2502 case ANEG_STATE_NEXT_PAGE_WAIT:
2503 /* ??? unimplemented */
2504 break;
2505
2506 default:
2507 ret = ANEG_FAILED;
2508 break;
2509 };
2510
2511 return ret;
2512}
2513
2514static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2515{
2516 int res = 0;
2517 struct tg3_fiber_aneginfo aninfo;
2518 int status = ANEG_FAILED;
2519 unsigned int tick;
2520 u32 tmp;
2521
2522 tw32_f(MAC_TX_AUTO_NEG, 0);
2523
2524 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2525 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2526 udelay(40);
2527
2528 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2529 udelay(40);
2530
2531 memset(&aninfo, 0, sizeof(aninfo));
2532 aninfo.flags |= MR_AN_ENABLE;
2533 aninfo.state = ANEG_STATE_UNKNOWN;
2534 aninfo.cur_time = 0;
2535 tick = 0;
2536 while (++tick < 195000) {
2537 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2538 if (status == ANEG_DONE || status == ANEG_FAILED)
2539 break;
2540
2541 udelay(1);
2542 }
2543
2544 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2545 tw32_f(MAC_MODE, tp->mac_mode);
2546 udelay(40);
2547
2548 *flags = aninfo.flags;
2549
2550 if (status == ANEG_DONE &&
2551 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2552 MR_LP_ADV_FULL_DUPLEX)))
2553 res = 1;
2554
2555 return res;
2556}
2557
2558static void tg3_init_bcm8002(struct tg3 *tp)
2559{
2560 u32 mac_status = tr32(MAC_STATUS);
2561 int i;
2562
2563 /* Reset when initting first time or we have a link. */
2564 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2565 !(mac_status & MAC_STATUS_PCS_SYNCED))
2566 return;
2567
2568 /* Set PLL lock range. */
2569 tg3_writephy(tp, 0x16, 0x8007);
2570
2571 /* SW reset */
2572 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2573
2574 /* Wait for reset to complete. */
2575 /* XXX schedule_timeout() ... */
2576 for (i = 0; i < 500; i++)
2577 udelay(10);
2578
2579 /* Config mode; select PMA/Ch 1 regs. */
2580 tg3_writephy(tp, 0x10, 0x8411);
2581
2582 /* Enable auto-lock and comdet, select txclk for tx. */
2583 tg3_writephy(tp, 0x11, 0x0a10);
2584
2585 tg3_writephy(tp, 0x18, 0x00a0);
2586 tg3_writephy(tp, 0x16, 0x41ff);
2587
2588 /* Assert and deassert POR. */
2589 tg3_writephy(tp, 0x13, 0x0400);
2590 udelay(40);
2591 tg3_writephy(tp, 0x13, 0x0000);
2592
2593 tg3_writephy(tp, 0x11, 0x0a50);
2594 udelay(40);
2595 tg3_writephy(tp, 0x11, 0x0a10);
2596
2597 /* Wait for signal to stabilize */
2598 /* XXX schedule_timeout() ... */
2599 for (i = 0; i < 15000; i++)
2600 udelay(10);
2601
2602 /* Deselect the channel register so we can read the PHYID
2603 * later.
2604 */
2605 tg3_writephy(tp, 0x10, 0x8011);
2606}
2607
2608static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2609{
2610 u32 sg_dig_ctrl, sg_dig_status;
2611 u32 serdes_cfg, expected_sg_dig_ctrl;
2612 int workaround, port_a;
2613 int current_link_up;
2614
2615 serdes_cfg = 0;
2616 expected_sg_dig_ctrl = 0;
2617 workaround = 0;
2618 port_a = 1;
2619 current_link_up = 0;
2620
2621 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2622 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2623 workaround = 1;
2624 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2625 port_a = 0;
2626
2627 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2628 /* preserve bits 20-23 for voltage regulator */
2629 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2630 }
2631
2632 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2633
2634 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2635 if (sg_dig_ctrl & (1 << 31)) {
2636 if (workaround) {
2637 u32 val = serdes_cfg;
2638
2639 if (port_a)
2640 val |= 0xc010000;
2641 else
2642 val |= 0x4010000;
2643 tw32_f(MAC_SERDES_CFG, val);
2644 }
2645 tw32_f(SG_DIG_CTRL, 0x01388400);
2646 }
2647 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2648 tg3_setup_flow_control(tp, 0, 0);
2649 current_link_up = 1;
2650 }
2651 goto out;
2652 }
2653
2654 /* Want auto-negotiation. */
2655 expected_sg_dig_ctrl = 0x81388400;
2656
2657 /* Pause capability */
2658 expected_sg_dig_ctrl |= (1 << 11);
2659
2660 /* Asymettric pause */
2661 expected_sg_dig_ctrl |= (1 << 12);
2662
2663 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 2664 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2665 tp->serdes_counter &&
2666 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2667 MAC_STATUS_RCVD_CFG)) ==
2668 MAC_STATUS_PCS_SYNCED)) {
2669 tp->serdes_counter--;
2670 current_link_up = 1;
2671 goto out;
2672 }
2673restart_autoneg:
1da177e4
LT		 2674 if (workaround)
2675 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2676 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2677 udelay(5);
2678 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2679
3d3ebe74
MC		 2680 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2681 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2682 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2683 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 2684 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 2685 mac_status = tr32(MAC_STATUS);
2686
2687 if ((sg_dig_status & (1 << 1)) &&
2688 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2689 u32 local_adv, remote_adv;
2690
2691 local_adv = ADVERTISE_PAUSE_CAP;
2692 remote_adv = 0;
2693 if (sg_dig_status & (1 << 19))
2694 remote_adv |= LPA_PAUSE_CAP;
2695 if (sg_dig_status & (1 << 20))
2696 remote_adv |= LPA_PAUSE_ASYM;
2697
2698 tg3_setup_flow_control(tp, local_adv, remote_adv);
2699 current_link_up = 1;
3d3ebe74
MC		 2700 tp->serdes_counter = 0;
2701 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4 2702 } else if (!(sg_dig_status & (1 << 1))) {
3d3ebe74
MC		 2703 if (tp->serdes_counter)
2704 tp->serdes_counter--;
1da177e4
LT		 2705 else {
2706 if (workaround) {
2707 u32 val = serdes_cfg;
2708
2709 if (port_a)
2710 val |= 0xc010000;
2711 else
2712 val |= 0x4010000;
2713
2714 tw32_f(MAC_SERDES_CFG, val);
2715 }
2716
2717 tw32_f(SG_DIG_CTRL, 0x01388400);
2718 udelay(40);
2719
2720 /* Link parallel detection - link is up */
2721 /* only if we have PCS_SYNC and not */
2722 /* receiving config code words */
2723 mac_status = tr32(MAC_STATUS);
2724 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2725 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2726 tg3_setup_flow_control(tp, 0, 0);
2727 current_link_up = 1;
3d3ebe74
MC		 2728 tp->tg3_flags2 |=
2729 TG3_FLG2_PARALLEL_DETECT;
2730 tp->serdes_counter =
2731 SERDES_PARALLEL_DET_TIMEOUT;
2732 } else
2733 goto restart_autoneg;
1da177e4
LT		 2734 }
2735 }
3d3ebe74
MC		 2736 } else {
2737 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2738 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2739 }
2740
2741out:
2742 return current_link_up;
2743}
2744
2745static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2746{
2747 int current_link_up = 0;
2748
5cf64b8a 2749 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
1da177e4 2750 goto out;
1da177e4
LT		 2751
2752 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2753 u32 flags;
2754 int i;
6aa20a22 2755
1da177e4
LT		 2756 if (fiber_autoneg(tp, &flags)) {
2757 u32 local_adv, remote_adv;
2758
2759 local_adv = ADVERTISE_PAUSE_CAP;
2760 remote_adv = 0;
2761 if (flags & MR_LP_ADV_SYM_PAUSE)
2762 remote_adv |= LPA_PAUSE_CAP;
2763 if (flags & MR_LP_ADV_ASYM_PAUSE)
2764 remote_adv |= LPA_PAUSE_ASYM;
2765
2766 tg3_setup_flow_control(tp, local_adv, remote_adv);
2767
1da177e4
LT		 2768 current_link_up = 1;
2769 }
2770 for (i = 0; i < 30; i++) {
2771 udelay(20);
2772 tw32_f(MAC_STATUS,
2773 (MAC_STATUS_SYNC_CHANGED |
2774 MAC_STATUS_CFG_CHANGED));
2775 udelay(40);
2776 if ((tr32(MAC_STATUS) &
2777 (MAC_STATUS_SYNC_CHANGED |
2778 MAC_STATUS_CFG_CHANGED)) == 0)
2779 break;
2780 }
2781
2782 mac_status = tr32(MAC_STATUS);
2783 if (current_link_up == 0 &&
2784 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2785 !(mac_status & MAC_STATUS_RCVD_CFG))
2786 current_link_up = 1;
2787 } else {
2788 /* Forcing 1000FD link up. */
2789 current_link_up = 1;
1da177e4
LT		 2790
2791 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2792 udelay(40);
e8f3f6ca
MC		 2793
2794 tw32_f(MAC_MODE, tp->mac_mode);
2795 udelay(40);
1da177e4
LT		 2796 }
2797
2798out:
2799 return current_link_up;
2800}
2801
2802static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2803{
2804 u32 orig_pause_cfg;
2805 u16 orig_active_speed;
2806 u8 orig_active_duplex;
2807 u32 mac_status;
2808 int current_link_up;
2809 int i;
2810
2811 orig_pause_cfg =
2812 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2813 TG3_FLAG_TX_PAUSE));
2814 orig_active_speed = tp->link_config.active_speed;
2815 orig_active_duplex = tp->link_config.active_duplex;
2816
2817 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2818 netif_carrier_ok(tp->dev) &&
2819 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2820 mac_status = tr32(MAC_STATUS);
2821 mac_status &= (MAC_STATUS_PCS_SYNCED |
2822 MAC_STATUS_SIGNAL_DET |
2823 MAC_STATUS_CFG_CHANGED |
2824 MAC_STATUS_RCVD_CFG);
2825 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2826 MAC_STATUS_SIGNAL_DET)) {
2827 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2828 MAC_STATUS_CFG_CHANGED));
2829 return 0;
2830 }
2831 }
2832
2833 tw32_f(MAC_TX_AUTO_NEG, 0);
2834
2835 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2836 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2837 tw32_f(MAC_MODE, tp->mac_mode);
2838 udelay(40);
2839
2840 if (tp->phy_id == PHY_ID_BCM8002)
2841 tg3_init_bcm8002(tp);
2842
2843 /* Enable link change event even when serdes polling. */
2844 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2845 udelay(40);
2846
2847 current_link_up = 0;
2848 mac_status = tr32(MAC_STATUS);
2849
2850 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2851 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2852 else
2853 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2854
1da177e4
LT		 2855 tp->hw_status->status =
2856 (SD_STATUS_UPDATED |
2857 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2858
2859 for (i = 0; i < 100; i++) {
2860 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2861 MAC_STATUS_CFG_CHANGED));
2862 udelay(5);
2863 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 2864 MAC_STATUS_CFG_CHANGED |
2865 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 2866 break;
2867 }
2868
2869 mac_status = tr32(MAC_STATUS);
2870 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2871 current_link_up = 0;
3d3ebe74
MC		 2872 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2873 tp->serdes_counter == 0) {
1da177e4
LT		 2874 tw32_f(MAC_MODE, (tp->mac_mode |
2875 MAC_MODE_SEND_CONFIGS));
2876 udelay(1);
2877 tw32_f(MAC_MODE, tp->mac_mode);
2878 }
2879 }
2880
2881 if (current_link_up == 1) {
2882 tp->link_config.active_speed = SPEED_1000;
2883 tp->link_config.active_duplex = DUPLEX_FULL;
2884 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2885 LED_CTRL_LNKLED_OVERRIDE |
2886 LED_CTRL_1000MBPS_ON));
2887 } else {
2888 tp->link_config.active_speed = SPEED_INVALID;
2889 tp->link_config.active_duplex = DUPLEX_INVALID;
2890 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2891 LED_CTRL_LNKLED_OVERRIDE |
2892 LED_CTRL_TRAFFIC_OVERRIDE));
2893 }
2894
2895 if (current_link_up != netif_carrier_ok(tp->dev)) {
2896 if (current_link_up)
2897 netif_carrier_on(tp->dev);
2898 else
2899 netif_carrier_off(tp->dev);
2900 tg3_link_report(tp);
2901 } else {
2902 u32 now_pause_cfg =
2903 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2904 TG3_FLAG_TX_PAUSE);
2905 if (orig_pause_cfg != now_pause_cfg ||
2906 orig_active_speed != tp->link_config.active_speed ||
2907 orig_active_duplex != tp->link_config.active_duplex)
2908 tg3_link_report(tp);
2909 }
2910
2911 return 0;
2912}
2913
747e8f8b
MC		 2914static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2915{
2916 int current_link_up, err = 0;
2917 u32 bmsr, bmcr;
2918 u16 current_speed;
2919 u8 current_duplex;
2920
2921 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2922 tw32_f(MAC_MODE, tp->mac_mode);
2923 udelay(40);
2924
2925 tw32(MAC_EVENT, 0);
2926
2927 tw32_f(MAC_STATUS,
2928 (MAC_STATUS_SYNC_CHANGED |
2929 MAC_STATUS_CFG_CHANGED |
2930 MAC_STATUS_MI_COMPLETION |
2931 MAC_STATUS_LNKSTATE_CHANGED));
2932 udelay(40);
2933
2934 if (force_reset)
2935 tg3_phy_reset(tp);
2936
2937 current_link_up = 0;
2938 current_speed = SPEED_INVALID;
2939 current_duplex = DUPLEX_INVALID;
2940
2941 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2942 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2943 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2944 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2945 bmsr |= BMSR_LSTATUS;
2946 else
2947 bmsr &= ~BMSR_LSTATUS;
2948 }
747e8f8b
MC		 2949
2950 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2951
2952 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2953 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2954 /* do nothing, just check for link up at the end */
2955 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2956 u32 adv, new_adv;
2957
2958 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2959 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2960 ADVERTISE_1000XPAUSE |
2961 ADVERTISE_1000XPSE_ASYM |
2962 ADVERTISE_SLCT);
2963
2964 /* Always advertise symmetric PAUSE just like copper */
2965 new_adv |= ADVERTISE_1000XPAUSE;
2966
2967 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2968 new_adv |= ADVERTISE_1000XHALF;
2969 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2970 new_adv |= ADVERTISE_1000XFULL;
2971
2972 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2973 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2974 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2975 tg3_writephy(tp, MII_BMCR, bmcr);
2976
2977 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 2978 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 2979 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2980
2981 return err;
2982 }
2983 } else {
2984 u32 new_bmcr;
2985
2986 bmcr &= ~BMCR_SPEED1000;
2987 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2988
2989 if (tp->link_config.duplex == DUPLEX_FULL)
2990 new_bmcr |= BMCR_FULLDPLX;
2991
2992 if (new_bmcr != bmcr) {
2993 /* BMCR_SPEED1000 is a reserved bit that needs
2994 * to be set on write.
2995 */
2996 new_bmcr |= BMCR_SPEED1000;
2997
2998 /* Force a linkdown */
2999 if (netif_carrier_ok(tp->dev)) {
3000 u32 adv;
3001
3002 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3003 adv &= ~(ADVERTISE_1000XFULL |
3004 ADVERTISE_1000XHALF |
3005 ADVERTISE_SLCT);
3006 tg3_writephy(tp, MII_ADVERTISE, adv);
3007 tg3_writephy(tp, MII_BMCR, bmcr |
3008 BMCR_ANRESTART |
3009 BMCR_ANENABLE);
3010 udelay(10);
3011 netif_carrier_off(tp->dev);
3012 }
3013 tg3_writephy(tp, MII_BMCR, new_bmcr);
3014 bmcr = new_bmcr;
3015 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3016 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 3017 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
3018 ASIC_REV_5714) {
3019 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
3020 bmsr |= BMSR_LSTATUS;
3021 else
3022 bmsr &= ~BMSR_LSTATUS;
3023 }
747e8f8b
MC		 3024 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3025 }
3026 }
3027
3028 if (bmsr & BMSR_LSTATUS) {
3029 current_speed = SPEED_1000;
3030 current_link_up = 1;
3031 if (bmcr & BMCR_FULLDPLX)
3032 current_duplex = DUPLEX_FULL;
3033 else
3034 current_duplex = DUPLEX_HALF;
3035
3036 if (bmcr & BMCR_ANENABLE) {
3037 u32 local_adv, remote_adv, common;
3038
3039 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
3040 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
3041 common = local_adv & remote_adv;
3042 if (common & (ADVERTISE_1000XHALF |
3043 ADVERTISE_1000XFULL)) {
3044 if (common & ADVERTISE_1000XFULL)
3045 current_duplex = DUPLEX_FULL;
3046 else
3047 current_duplex = DUPLEX_HALF;
3048
3049 tg3_setup_flow_control(tp, local_adv,
3050 remote_adv);
3051 }
3052 else
3053 current_link_up = 0;
3054 }
3055 }
3056
3057 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3058 if (tp->link_config.active_duplex == DUPLEX_HALF)
3059 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3060
3061 tw32_f(MAC_MODE, tp->mac_mode);
3062 udelay(40);
3063
3064 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3065
3066 tp->link_config.active_speed = current_speed;
3067 tp->link_config.active_duplex = current_duplex;
3068
3069 if (current_link_up != netif_carrier_ok(tp->dev)) {
3070 if (current_link_up)
3071 netif_carrier_on(tp->dev);
3072 else {
3073 netif_carrier_off(tp->dev);
3074 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3075 }
3076 tg3_link_report(tp);
3077 }
3078 return err;
3079}
3080
3081static void tg3_serdes_parallel_detect(struct tg3 *tp)
3082{
3d3ebe74 3083 if (tp->serdes_counter) {
747e8f8b 3084 /* Give autoneg time to complete. */
3d3ebe74 3085 tp->serdes_counter--;
747e8f8b
MC		 3086 return;
3087 }
3088 if (!netif_carrier_ok(tp->dev) &&
3089 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
3090 u32 bmcr;
3091
3092 tg3_readphy(tp, MII_BMCR, &bmcr);
3093 if (bmcr & BMCR_ANENABLE) {
3094 u32 phy1, phy2;
3095
3096 /* Select shadow register 0x1f */
3097 tg3_writephy(tp, 0x1c, 0x7c00);
3098 tg3_readphy(tp, 0x1c, &phy1);
3099
3100 /* Select expansion interrupt status register */
3101 tg3_writephy(tp, 0x17, 0x0f01);
3102 tg3_readphy(tp, 0x15, &phy2);
3103 tg3_readphy(tp, 0x15, &phy2);
3104
3105 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
3106 /* We have signal detect and not receiving
3107 * config code words, link is up by parallel
3108 * detection.
3109 */
3110
3111 bmcr &= ~BMCR_ANENABLE;
3112 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
3113 tg3_writephy(tp, MII_BMCR, bmcr);
3114 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
3115 }
3116 }
3117 }
3118 else if (netif_carrier_ok(tp->dev) &&
3119 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
3120 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3121 u32 phy2;
3122
3123 /* Select expansion interrupt status register */
3124 tg3_writephy(tp, 0x17, 0x0f01);
3125 tg3_readphy(tp, 0x15, &phy2);
3126 if (phy2 & 0x20) {
3127 u32 bmcr;
3128
3129 /* Config code words received, turn on autoneg. */
3130 tg3_readphy(tp, MII_BMCR, &bmcr);
3131 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
3132
3133 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3134
3135 }
3136 }
3137}
3138
1da177e4
LT		 3139static int tg3_setup_phy(struct tg3 *tp, int force_reset)
3140{
3141 int err;
3142
3143 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
3144 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 3145 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
3146 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 3147 } else {
3148 err = tg3_setup_copper_phy(tp, force_reset);
3149 }
3150
3151 if (tp->link_config.active_speed == SPEED_1000 &&
3152 tp->link_config.active_duplex == DUPLEX_HALF)
3153 tw32(MAC_TX_LENGTHS,
3154 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3155 (6 << TX_LENGTHS_IPG_SHIFT) |
3156 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3157 else
3158 tw32(MAC_TX_LENGTHS,
3159 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3160 (6 << TX_LENGTHS_IPG_SHIFT) |
3161 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3162
3163 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3164 if (netif_carrier_ok(tp->dev)) {
3165 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 3166 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 3167 } else {
3168 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3169 }
3170 }
3171
8ed5d97e
MC		 3172 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
3173 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
3174 if (!netif_carrier_ok(tp->dev))
3175 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
3176 tp->pwrmgmt_thresh;
3177 else
3178 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
3179 tw32(PCIE_PWR_MGMT_THRESH, val);
3180 }
3181
1da177e4
LT		 3182 return err;
3183}
3184
df3e6548
MC		 3185/* This is called whenever we suspect that the system chipset is re-
3186 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3187 * is bogus tx completions. We try to recover by setting the
3188 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3189 * in the workqueue.
3190 */
3191static void tg3_tx_recover(struct tg3 *tp)
3192{
3193 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3194 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3195
3196 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3197 "mapped I/O cycles to the network device, attempting to "
3198 "recover. Please report the problem to the driver maintainer "
3199 "and include system chipset information.\n", tp->dev->name);
3200
3201 spin_lock(&tp->lock);
df3e6548 3202 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 3203 spin_unlock(&tp->lock);
3204}
3205
1b2a7205
MC		 3206static inline u32 tg3_tx_avail(struct tg3 *tp)
3207{
3208 smp_mb();
3209 return (tp->tx_pending -
3210 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3211}
3212
1da177e4
LT		 3213/* Tigon3 never reports partial packet sends. So we do not
3214 * need special logic to handle SKBs that have not had all
3215 * of their frags sent yet, like SunGEM does.
3216 */
3217static void tg3_tx(struct tg3 *tp)
3218{
3219 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3220 u32 sw_idx = tp->tx_cons;
3221
3222 while (sw_idx != hw_idx) {
3223 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3224 struct sk_buff *skb = ri->skb;
df3e6548
MC		 3225 int i, tx_bug = 0;
3226
3227 if (unlikely(skb == NULL)) {
3228 tg3_tx_recover(tp);
3229 return;
3230 }
1da177e4 3231
1da177e4
LT		 3232 pci_unmap_single(tp->pdev,
3233 pci_unmap_addr(ri, mapping),
3234 skb_headlen(skb),
3235 PCI_DMA_TODEVICE);
3236
3237 ri->skb = NULL;
3238
3239 sw_idx = NEXT_TX(sw_idx);
3240
3241 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
1da177e4 3242 ri = &tp->tx_buffers[sw_idx];
df3e6548
MC		 3243 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3244 tx_bug = 1;
1da177e4
LT		 3245
3246 pci_unmap_page(tp->pdev,
3247 pci_unmap_addr(ri, mapping),
3248 skb_shinfo(skb)->frags[i].size,
3249 PCI_DMA_TODEVICE);
3250
3251 sw_idx = NEXT_TX(sw_idx);
3252 }
3253
f47c11ee 3254 dev_kfree_skb(skb);
df3e6548
MC		 3255
3256 if (unlikely(tx_bug)) {
3257 tg3_tx_recover(tp);
3258 return;
3259 }
1da177e4
LT		 3260 }
3261
3262 tp->tx_cons = sw_idx;
3263
1b2a7205
MC		 3264 /* Need to make the tx_cons update visible to tg3_start_xmit()
3265 * before checking for netif_queue_stopped(). Without the
3266 * memory barrier, there is a small possibility that tg3_start_xmit()
3267 * will miss it and cause the queue to be stopped forever.
3268 */
3269 smp_mb();
3270
3271 if (unlikely(netif_queue_stopped(tp->dev) &&
42952231 3272 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
1b2a7205 3273 netif_tx_lock(tp->dev);
51b91468 3274 if (netif_queue_stopped(tp->dev) &&
42952231 3275 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
51b91468 3276 netif_wake_queue(tp->dev);
1b2a7205 3277 netif_tx_unlock(tp->dev);
51b91468 3278 }
1da177e4
LT		 3279}
3280
3281/* Returns size of skb allocated or < 0 on error.
3282 *
3283 * We only need to fill in the address because the other members
3284 * of the RX descriptor are invariant, see tg3_init_rings.
3285 *
3286 * Note the purposeful assymetry of cpu vs. chip accesses. For
3287 * posting buffers we only dirty the first cache line of the RX
3288 * descriptor (containing the address). Whereas for the RX status
3289 * buffers the cpu only reads the last cacheline of the RX descriptor
3290 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3291 */
3292static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3293 int src_idx, u32 dest_idx_unmasked)
3294{
3295 struct tg3_rx_buffer_desc *desc;
3296 struct ring_info *map, *src_map;
3297 struct sk_buff *skb;
3298 dma_addr_t mapping;
3299 int skb_size, dest_idx;
3300
3301 src_map = NULL;
3302 switch (opaque_key) {
3303 case RXD_OPAQUE_RING_STD:
3304 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3305 desc = &tp->rx_std[dest_idx];
3306 map = &tp->rx_std_buffers[dest_idx];
3307 if (src_idx >= 0)
3308 src_map = &tp->rx_std_buffers[src_idx];
7e72aad4 3309 skb_size = tp->rx_pkt_buf_sz;
1da177e4
LT		 3310 break;
3311
3312 case RXD_OPAQUE_RING_JUMBO:
3313 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3314 desc = &tp->rx_jumbo[dest_idx];
3315 map = &tp->rx_jumbo_buffers[dest_idx];
3316 if (src_idx >= 0)
3317 src_map = &tp->rx_jumbo_buffers[src_idx];
3318 skb_size = RX_JUMBO_PKT_BUF_SZ;
3319 break;
3320
3321 default:
3322 return -EINVAL;
3323 };
3324
3325 /* Do not overwrite any of the map or rp information
3326 * until we are sure we can commit to a new buffer.
3327 *
3328 * Callers depend upon this behavior and assume that
3329 * we leave everything unchanged if we fail.
3330 */
a20e9c62 3331 skb = netdev_alloc_skb(tp->dev, skb_size);
1da177e4
LT		 3332 if (skb == NULL)
3333 return -ENOMEM;
3334
1da177e4
LT		 3335 skb_reserve(skb, tp->rx_offset);
3336
3337 mapping = pci_map_single(tp->pdev, skb->data,
3338 skb_size - tp->rx_offset,
3339 PCI_DMA_FROMDEVICE);
3340
3341 map->skb = skb;
3342 pci_unmap_addr_set(map, mapping, mapping);
3343
3344 if (src_map != NULL)
3345 src_map->skb = NULL;
3346
3347 desc->addr_hi = ((u64)mapping >> 32);
3348 desc->addr_lo = ((u64)mapping & 0xffffffff);
3349
3350 return skb_size;
3351}
3352
3353/* We only need to move over in the address because the other
3354 * members of the RX descriptor are invariant. See notes above
3355 * tg3_alloc_rx_skb for full details.
3356 */
3357static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3358 int src_idx, u32 dest_idx_unmasked)
3359{
3360 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3361 struct ring_info *src_map, *dest_map;
3362 int dest_idx;
3363
3364 switch (opaque_key) {
3365 case RXD_OPAQUE_RING_STD:
3366 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3367 dest_desc = &tp->rx_std[dest_idx];
3368 dest_map = &tp->rx_std_buffers[dest_idx];
3369 src_desc = &tp->rx_std[src_idx];
3370 src_map = &tp->rx_std_buffers[src_idx];
3371 break;
3372
3373 case RXD_OPAQUE_RING_JUMBO:
3374 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3375 dest_desc = &tp->rx_jumbo[dest_idx];
3376 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3377 src_desc = &tp->rx_jumbo[src_idx];
3378 src_map = &tp->rx_jumbo_buffers[src_idx];
3379 break;
3380
3381 default:
3382 return;
3383 };
3384
3385 dest_map->skb = src_map->skb;
3386 pci_unmap_addr_set(dest_map, mapping,
3387 pci_unmap_addr(src_map, mapping));
3388 dest_desc->addr_hi = src_desc->addr_hi;
3389 dest_desc->addr_lo = src_desc->addr_lo;
3390
3391 src_map->skb = NULL;
3392}
3393
3394#if TG3_VLAN_TAG_USED
3395static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3396{
3397 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3398}
3399#endif
3400
3401/* The RX ring scheme is composed of multiple rings which post fresh
3402 * buffers to the chip, and one special ring the chip uses to report
3403 * status back to the host.
3404 *
3405 * The special ring reports the status of received packets to the
3406 * host. The chip does not write into the original descriptor the
3407 * RX buffer was obtained from. The chip simply takes the original
3408 * descriptor as provided by the host, updates the status and length
3409 * field, then writes this into the next status ring entry.
3410 *
3411 * Each ring the host uses to post buffers to the chip is described
3412 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3413 * it is first placed into the on-chip ram. When the packet's length
3414 * is known, it walks down the TG3_BDINFO entries to select the ring.
3415 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3416 * which is within the range of the new packet's length is chosen.
3417 *
3418 * The "separate ring for rx status" scheme may sound queer, but it makes
3419 * sense from a cache coherency perspective. If only the host writes
3420 * to the buffer post rings, and only the chip writes to the rx status
3421 * rings, then cache lines never move beyond shared-modified state.
3422 * If both the host and chip were to write into the same ring, cache line
3423 * eviction could occur since both entities want it in an exclusive state.
3424 */
3425static int tg3_rx(struct tg3 *tp, int budget)
3426{
f92905de 3427 u32 work_mask, rx_std_posted = 0;
483ba50b
MC		 3428 u32 sw_idx = tp->rx_rcb_ptr;
3429 u16 hw_idx;
1da177e4
LT		 3430 int received;
3431
3432 hw_idx = tp->hw_status->idx[0].rx_producer;
3433 /*
3434 * We need to order the read of hw_idx and the read of
3435 * the opaque cookie.
3436 */
3437 rmb();
1da177e4
LT		 3438 work_mask = 0;
3439 received = 0;
3440 while (sw_idx != hw_idx && budget > 0) {
3441 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3442 unsigned int len;
3443 struct sk_buff *skb;
3444 dma_addr_t dma_addr;
3445 u32 opaque_key, desc_idx, *post_ptr;
3446
3447 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3448 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3449 if (opaque_key == RXD_OPAQUE_RING_STD) {
3450 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3451 mapping);
3452 skb = tp->rx_std_buffers[desc_idx].skb;
3453 post_ptr = &tp->rx_std_ptr;
f92905de 3454 rx_std_posted++;
1da177e4
LT		 3455 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3456 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3457 mapping);
3458 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3459 post_ptr = &tp->rx_jumbo_ptr;
3460 }
3461 else {
3462 goto next_pkt_nopost;
3463 }
3464
3465 work_mask |= opaque_key;
3466
3467 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3468 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3469 drop_it:
3470 tg3_recycle_rx(tp, opaque_key,
3471 desc_idx, *post_ptr);
3472 drop_it_no_recycle:
3473 /* Other statistics kept track of by card. */
3474 tp->net_stats.rx_dropped++;
3475 goto next_pkt;
3476 }
3477
3478 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3479
6aa20a22 3480 if (len > RX_COPY_THRESHOLD
1da177e4
LT		 3481 && tp->rx_offset == 2
3482 /* rx_offset != 2 iff this is a 5701 card running
3483 * in PCI-X mode [see tg3_get_invariants()] */
3484 ) {
3485 int skb_size;
3486
3487 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3488 desc_idx, *post_ptr);
3489 if (skb_size < 0)
3490 goto drop_it;
3491
3492 pci_unmap_single(tp->pdev, dma_addr,
3493 skb_size - tp->rx_offset,
3494 PCI_DMA_FROMDEVICE);
3495
3496 skb_put(skb, len);
3497 } else {
3498 struct sk_buff *copy_skb;
3499
3500 tg3_recycle_rx(tp, opaque_key,
3501 desc_idx, *post_ptr);
3502
a20e9c62 3503 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
1da177e4
LT		 3504 if (copy_skb == NULL)
3505 goto drop_it_no_recycle;
3506
1da177e4
LT		 3507 skb_reserve(copy_skb, 2);
3508 skb_put(copy_skb, len);
3509 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
d626f62b 3510 skb_copy_from_linear_data(skb, copy_skb->data, len);
1da177e4
LT		 3511 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3512
3513 /* We'll reuse the original ring buffer. */
3514 skb = copy_skb;
3515 }
3516
3517 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3518 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3519 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3520 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3521 skb->ip_summed = CHECKSUM_UNNECESSARY;
3522 else
3523 skb->ip_summed = CHECKSUM_NONE;
3524
3525 skb->protocol = eth_type_trans(skb, tp->dev);
3526#if TG3_VLAN_TAG_USED
3527 if (tp->vlgrp != NULL &&
3528 desc->type_flags & RXD_FLAG_VLAN) {
3529 tg3_vlan_rx(tp, skb,
3530 desc->err_vlan & RXD_VLAN_MASK);
3531 } else
3532#endif
3533 netif_receive_skb(skb);
3534
3535 tp->dev->last_rx = jiffies;
3536 received++;
3537 budget--;
3538
3539next_pkt:
3540 (*post_ptr)++;
f92905de
MC		 3541
3542 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3543 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3544
3545 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3546 TG3_64BIT_REG_LOW, idx);
3547 work_mask &= ~RXD_OPAQUE_RING_STD;
3548 rx_std_posted = 0;
3549 }
1da177e4 3550next_pkt_nopost:
483ba50b 3551 sw_idx++;
6b31a515 3552 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 3553
3554 /* Refresh hw_idx to see if there is new work */
3555 if (sw_idx == hw_idx) {
3556 hw_idx = tp->hw_status->idx[0].rx_producer;
3557 rmb();
3558 }
1da177e4
LT		 3559 }
3560
3561 /* ACK the status ring. */
483ba50b
MC		 3562 tp->rx_rcb_ptr = sw_idx;
3563 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
1da177e4
LT		 3564
3565 /* Refill RX ring(s). */
3566 if (work_mask & RXD_OPAQUE_RING_STD) {
3567 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3568 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3569 sw_idx);
3570 }
3571 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3572 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3573 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3574 sw_idx);
3575 }
3576 mmiowb();
3577
3578 return received;
3579}
3580
6f535763 3581static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
1da177e4 3582{
1da177e4 3583 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4 3584
1da177e4
LT		 3585 /* handle link change and other phy events */
3586 if (!(tp->tg3_flags &
3587 (TG3_FLAG_USE_LINKCHG_REG |
3588 TG3_FLAG_POLL_SERDES))) {
3589 if (sblk->status & SD_STATUS_LINK_CHG) {
3590 sblk->status = SD_STATUS_UPDATED |
3591 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 3592 spin_lock(&tp->lock);
1da177e4 3593 tg3_setup_phy(tp, 0);
f47c11ee 3594 spin_unlock(&tp->lock);
1da177e4
LT		 3595 }
3596 }
3597
3598 /* run TX completion thread */
3599 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
1da177e4 3600 tg3_tx(tp);
6f535763 3601 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4fd7ab59 3602 return work_done;
1da177e4
LT		 3603 }
3604
1da177e4
LT		 3605 /* run RX thread, within the bounds set by NAPI.
3606 * All RX "locking" is done by ensuring outside
bea3348e 3607 * code synchronizes with tg3->napi.poll()
1da177e4 3608 */
bea3348e 3609 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
6f535763 3610 work_done += tg3_rx(tp, budget - work_done);
1da177e4 3611
6f535763
DM		 3612 return work_done;
3613}
3614
3615static int tg3_poll(struct napi_struct *napi, int budget)
3616{
3617 struct tg3 *tp = container_of(napi, struct tg3, napi);
3618 int work_done = 0;
4fd7ab59 3619 struct tg3_hw_status *sblk = tp->hw_status;
6f535763
DM		 3620
3621 while (1) {
3622 work_done = tg3_poll_work(tp, work_done, budget);
3623
3624 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
3625 goto tx_recovery;
3626
3627 if (unlikely(work_done >= budget))
3628 break;
3629
4fd7ab59
MC		 3630 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3631 /* tp->last_tag is used in tg3_restart_ints() below
3632 * to tell the hw how much work has been processed,
3633 * so we must read it before checking for more work.
3634 */
3635 tp->last_tag = sblk->status_tag;
3636 rmb();
3637 } else
3638 sblk->status &= ~SD_STATUS_UPDATED;
6f535763 3639
4fd7ab59 3640 if (likely(!tg3_has_work(tp))) {
6f535763
DM		 3641 netif_rx_complete(tp->dev, napi);
3642 tg3_restart_ints(tp);
3643 break;
3644 }
1da177e4
LT		 3645 }
3646
bea3348e 3647 return work_done;
6f535763
DM		 3648
3649tx_recovery:
4fd7ab59 3650 /* work_done is guaranteed to be less than budget. */
6f535763
DM		 3651 netif_rx_complete(tp->dev, napi);
3652 schedule_work(&tp->reset_task);
4fd7ab59 3653 return work_done;
1da177e4
LT		 3654}
3655
f47c11ee
DM		 3656static void tg3_irq_quiesce(struct tg3 *tp)
3657{
3658 BUG_ON(tp->irq_sync);
3659
3660 tp->irq_sync = 1;
3661 smp_mb();
3662
3663 synchronize_irq(tp->pdev->irq);
3664}
3665
3666static inline int tg3_irq_sync(struct tg3 *tp)
3667{
3668 return tp->irq_sync;
3669}
3670
3671/* Fully shutdown all tg3 driver activity elsewhere in the system.
3672 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3673 * with as well. Most of the time, this is not necessary except when
3674 * shutting down the device.
3675 */
3676static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3677{
46966545 3678 spin_lock_bh(&tp->lock);
f47c11ee
DM		 3679 if (irq_sync)
3680 tg3_irq_quiesce(tp);
f47c11ee
DM		 3681}
3682
3683static inline void tg3_full_unlock(struct tg3 *tp)
3684{
f47c11ee
DM		 3685 spin_unlock_bh(&tp->lock);
3686}
3687
fcfa0a32
MC		 3688/* One-shot MSI handler - Chip automatically disables interrupt
3689 * after sending MSI so driver doesn't have to do it.
3690 */
7d12e780 3691static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32
MC		 3692{
3693 struct net_device *dev = dev_id;
3694 struct tg3 *tp = netdev_priv(dev);
3695
3696 prefetch(tp->hw_status);
3697 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3698
3699 if (likely(!tg3_irq_sync(tp)))
bea3348e 3700 netif_rx_schedule(dev, &tp->napi);
fcfa0a32
MC		 3701
3702 return IRQ_HANDLED;
3703}
3704
88b06bc2
MC		 3705/* MSI ISR - No need to check for interrupt sharing and no need to
3706 * flush status block and interrupt mailbox. PCI ordering rules
3707 * guarantee that MSI will arrive after the status block.
3708 */
7d12e780 3709static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2
MC		 3710{
3711 struct net_device *dev = dev_id;
3712 struct tg3 *tp = netdev_priv(dev);
88b06bc2 3713
61487480
MC		 3714 prefetch(tp->hw_status);
3715 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
88b06bc2 3716 /*
fac9b83e 3717 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 3718 * chip-internal interrupt pending events.
fac9b83e 3719 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 3720 * NIC to stop sending us irqs, engaging "in-intr-handler"
3721 * event coalescing.
3722 */
3723 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 3724 if (likely(!tg3_irq_sync(tp)))
bea3348e 3725 netif_rx_schedule(dev, &tp->napi);
61487480 3726
88b06bc2
MC		 3727 return IRQ_RETVAL(1);
3728}
3729
7d12e780 3730static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4
LT		 3731{
3732 struct net_device *dev = dev_id;
3733 struct tg3 *tp = netdev_priv(dev);
3734 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3735 unsigned int handled = 1;
3736
1da177e4
LT		 3737 /* In INTx mode, it is possible for the interrupt to arrive at
3738 * the CPU before the status block posted prior to the interrupt.
3739 * Reading the PCI State register will confirm whether the
3740 * interrupt is ours and will flush the status block.
3741 */
d18edcb2
MC		 3742 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3743 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3744 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3745 handled = 0;
f47c11ee 3746 goto out;
fac9b83e 3747 }
d18edcb2
MC		 3748 }
3749
3750 /*
3751 * Writing any value to intr-mbox-0 clears PCI INTA# and
3752 * chip-internal interrupt pending events.
3753 * Writing non-zero to intr-mbox-0 additional tells the
3754 * NIC to stop sending us irqs, engaging "in-intr-handler"
3755 * event coalescing.
c04cb347
MC		 3756 *
3757 * Flush the mailbox to de-assert the IRQ immediately to prevent
3758 * spurious interrupts. The flush impacts performance but
3759 * excessive spurious interrupts can be worse in some cases.
d18edcb2 3760 */
c04cb347 3761 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
d18edcb2
MC		 3762 if (tg3_irq_sync(tp))
3763 goto out;
3764 sblk->status &= ~SD_STATUS_UPDATED;
3765 if (likely(tg3_has_work(tp))) {
3766 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
bea3348e 3767 netif_rx_schedule(dev, &tp->napi);
d18edcb2
MC		 3768 } else {
3769 /* No work, shared interrupt perhaps? re-enable
3770 * interrupts, and flush that PCI write
3771 */
3772 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3773 0x00000000);
fac9b83e 3774 }
f47c11ee 3775out:
fac9b83e
DM		 3776 return IRQ_RETVAL(handled);
3777}
3778
7d12e780 3779static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e
DM		 3780{
3781 struct net_device *dev = dev_id;
3782 struct tg3 *tp = netdev_priv(dev);
3783 struct tg3_hw_status *sblk = tp->hw_status;
fac9b83e
DM		 3784 unsigned int handled = 1;
3785
fac9b83e
DM		 3786 /* In INTx mode, it is possible for the interrupt to arrive at
3787 * the CPU before the status block posted prior to the interrupt.
3788 * Reading the PCI State register will confirm whether the
3789 * interrupt is ours and will flush the status block.
3790 */
d18edcb2
MC		 3791 if (unlikely(sblk->status_tag == tp->last_tag)) {
3792 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3793 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3794 handled = 0;
f47c11ee 3795 goto out;
1da177e4 3796 }
d18edcb2
MC		 3797 }
3798
3799 /*
3800 * writing any value to intr-mbox-0 clears PCI INTA# and
3801 * chip-internal interrupt pending events.
3802 * writing non-zero to intr-mbox-0 additional tells the
3803 * NIC to stop sending us irqs, engaging "in-intr-handler"
3804 * event coalescing.
c04cb347
MC		 3805 *
3806 * Flush the mailbox to de-assert the IRQ immediately to prevent
3807 * spurious interrupts. The flush impacts performance but
3808 * excessive spurious interrupts can be worse in some cases.
d18edcb2 3809 */
c04cb347 3810 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
d18edcb2
MC		 3811 if (tg3_irq_sync(tp))
3812 goto out;
bea3348e 3813 if (netif_rx_schedule_prep(dev, &tp->napi)) {
d18edcb2
MC		 3814 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3815 /* Update last_tag to mark that this status has been
3816 * seen. Because interrupt may be shared, we may be
3817 * racing with tg3_poll(), so only update last_tag
3818 * if tg3_poll() is not scheduled.
3819 */
3820 tp->last_tag = sblk->status_tag;
bea3348e 3821 __netif_rx_schedule(dev, &tp->napi);
1da177e4 3822 }
f47c11ee 3823out:
1da177e4
LT		 3824 return IRQ_RETVAL(handled);
3825}
3826
7938109f 3827/* ISR for interrupt test */
7d12e780 3828static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f
MC		 3829{
3830 struct net_device *dev = dev_id;
3831 struct tg3 *tp = netdev_priv(dev);
3832 struct tg3_hw_status *sblk = tp->hw_status;
3833
f9804ddb
MC		 3834 if ((sblk->status & SD_STATUS_UPDATED) ||
3835 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 3836 tg3_disable_ints(tp);
7938109f
MC		 3837 return IRQ_RETVAL(1);
3838 }
3839 return IRQ_RETVAL(0);
3840}
3841
8e7a22e3 3842static int tg3_init_hw(struct tg3 *, int);
944d980e 3843static int tg3_halt(struct tg3 *, int, int);
1da177e4 3844
b9ec6c1b
MC		 3845/* Restart hardware after configuration changes, self-test, etc.
3846 * Invoked with tp->lock held.
3847 */
3848static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3849{
3850 int err;
3851
3852 err = tg3_init_hw(tp, reset_phy);
3853 if (err) {
3854 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3855 "aborting.\n", tp->dev->name);
3856 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3857 tg3_full_unlock(tp);
3858 del_timer_sync(&tp->timer);
3859 tp->irq_sync = 0;
bea3348e 3860 napi_enable(&tp->napi);
b9ec6c1b
MC		 3861 dev_close(tp->dev);
3862 tg3_full_lock(tp, 0);
3863 }
3864 return err;
3865}
3866
1da177e4
LT		 3867#ifdef CONFIG_NET_POLL_CONTROLLER
3868static void tg3_poll_controller(struct net_device *dev)
3869{
88b06bc2
MC		 3870 struct tg3 *tp = netdev_priv(dev);
3871
7d12e780 3872 tg3_interrupt(tp->pdev->irq, dev);
1da177e4
LT		 3873}
3874#endif
3875
c4028958 3876static void tg3_reset_task(struct work_struct *work)
1da177e4 3877{
c4028958 3878 struct tg3 *tp = container_of(work, struct tg3, reset_task);
1da177e4
LT		 3879 unsigned int restart_timer;
3880
7faa006f 3881 tg3_full_lock(tp, 0);
7faa006f
MC		 3882
3883 if (!netif_running(tp->dev)) {
7faa006f
MC		 3884 tg3_full_unlock(tp);
3885 return;
3886 }
3887
3888 tg3_full_unlock(tp);
3889
1da177e4
LT		 3890 tg3_netif_stop(tp);
3891
f47c11ee 3892 tg3_full_lock(tp, 1);
1da177e4
LT		 3893
3894 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3895 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3896
df3e6548
MC		 3897 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3898 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3899 tp->write32_rx_mbox = tg3_write_flush_reg32;
3900 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3901 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3902 }
3903
944d980e 3904 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b9ec6c1b
MC		 3905 if (tg3_init_hw(tp, 1))
3906 goto out;
1da177e4
LT		 3907
3908 tg3_netif_start(tp);
3909
1da177e4
LT		 3910 if (restart_timer)
3911 mod_timer(&tp->timer, jiffies + 1);
7faa006f 3912
b9ec6c1b 3913out:
7faa006f 3914 tg3_full_unlock(tp);
1da177e4
LT		 3915}
3916
b0408751
MC		 3917static void tg3_dump_short_state(struct tg3 *tp)
3918{
3919 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3920 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3921 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3922 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3923}
3924
1da177e4
LT		 3925static void tg3_tx_timeout(struct net_device *dev)
3926{
3927 struct tg3 *tp = netdev_priv(dev);
3928
b0408751 3929 if (netif_msg_tx_err(tp)) {
9f88f29f
MC		 3930 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3931 dev->name);
b0408751
MC		 3932 tg3_dump_short_state(tp);
3933 }
1da177e4
LT		 3934
3935 schedule_work(&tp->reset_task);
3936}
3937
c58ec932
MC		 3938/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3939static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3940{
3941 u32 base = (u32) mapping & 0xffffffff;
3942
3943 return ((base > 0xffffdcc0) &&
3944 (base + len + 8 < base));
3945}
3946
72f2afb8
MC		 3947/* Test for DMA addresses > 40-bit */
3948static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3949 int len)
3950{
3951#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 3952 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
72f2afb8
MC		 3953 return (((u64) mapping + len) > DMA_40BIT_MASK);
3954 return 0;
3955#else
3956 return 0;
3957#endif
3958}
3959
1da177e4
LT		 3960static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3961
72f2afb8
MC		 3962/* Workaround 4GB and 40-bit hardware DMA bugs. */
3963static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
c58ec932
MC		 3964 u32 last_plus_one, u32 *start,
3965 u32 base_flags, u32 mss)
1da177e4
LT		 3966{
3967 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
c58ec932 3968 dma_addr_t new_addr = 0;
1da177e4 3969 u32 entry = *start;
c58ec932 3970 int i, ret = 0;
1da177e4
LT		 3971
3972 if (!new_skb) {
c58ec932
MC		 3973 ret = -1;
3974 } else {
3975 /* New SKB is guaranteed to be linear. */
3976 entry = *start;
3977 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3978 PCI_DMA_TODEVICE);
3979 /* Make sure new skb does not cross any 4G boundaries.
3980 * Drop the packet if it does.
3981 */
3982 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3983 ret = -1;
3984 dev_kfree_skb(new_skb);
3985 new_skb = NULL;
3986 } else {
3987 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3988 base_flags, 1 | (mss << 1));
3989 *start = NEXT_TX(entry);
3990 }
1da177e4
LT		 3991 }
3992
1da177e4
LT		 3993 /* Now clean up the sw ring entries. */
3994 i = 0;
3995 while (entry != last_plus_one) {
3996 int len;
3997
3998 if (i == 0)
3999 len = skb_headlen(skb);
4000 else
4001 len = skb_shinfo(skb)->frags[i-1].size;
4002 pci_unmap_single(tp->pdev,
4003 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
4004 len, PCI_DMA_TODEVICE);
4005 if (i == 0) {
4006 tp->tx_buffers[entry].skb = new_skb;
4007 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
4008 } else {
4009 tp->tx_buffers[entry].skb = NULL;
4010 }
4011 entry = NEXT_TX(entry);
4012 i++;
4013 }
4014
4015 dev_kfree_skb(skb);
4016
c58ec932 4017 return ret;
1da177e4
LT		 4018}
4019
4020static void tg3_set_txd(struct tg3 *tp, int entry,
4021 dma_addr_t mapping, int len, u32 flags,
4022 u32 mss_and_is_end)
4023{
4024 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
4025 int is_end = (mss_and_is_end & 0x1);
4026 u32 mss = (mss_and_is_end >> 1);
4027 u32 vlan_tag = 0;
4028
4029 if (is_end)
4030 flags |= TXD_FLAG_END;
4031 if (flags & TXD_FLAG_VLAN) {
4032 vlan_tag = flags >> 16;
4033 flags &= 0xffff;
4034 }
4035 vlan_tag |= (mss << TXD_MSS_SHIFT);
4036
4037 txd->addr_hi = ((u64) mapping >> 32);
4038 txd->addr_lo = ((u64) mapping & 0xffffffff);
4039 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
4040 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
4041}
4042
5a6f3074
MC		 4043/* hard_start_xmit for devices that don't have any bugs and
4044 * support TG3_FLG2_HW_TSO_2 only.
4045 */
1da177e4 4046static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5a6f3074
MC		 4047{
4048 struct tg3 *tp = netdev_priv(dev);
4049 dma_addr_t mapping;
4050 u32 len, entry, base_flags, mss;
4051
4052 len = skb_headlen(skb);
4053
00b70504 4054 /* We are running in BH disabled context with netif_tx_lock
bea3348e 4055 * and TX reclaim runs via tp->napi.poll inside of a software
5a6f3074
MC		 4056 * interrupt. Furthermore, IRQ processing runs lockless so we have
4057 * no IRQ context deadlocks to worry about either. Rejoice!
4058 */
1b2a7205 4059 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5a6f3074
MC		 4060 if (!netif_queue_stopped(dev)) {
4061 netif_stop_queue(dev);
4062
4063 /* This is a hard error, log it. */
4064 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4065 "queue awake!\n", dev->name);
4066 }
5a6f3074
MC		 4067 return NETDEV_TX_BUSY;
4068 }
4069
4070 entry = tp->tx_prod;
4071 base_flags = 0;
5a6f3074 4072 mss = 0;
c13e3713 4073 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074
MC		 4074 int tcp_opt_len, ip_tcp_len;
4075
4076 if (skb_header_cloned(skb) &&
4077 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4078 dev_kfree_skb(skb);
4079 goto out_unlock;
4080 }
4081
b0026624
MC		 4082 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
4083 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
4084 else {
eddc9ec5
ACM		 4085 struct iphdr *iph = ip_hdr(skb);
4086
ab6a5bb6 4087 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 4088 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
b0026624 4089
eddc9ec5
ACM		 4090 iph->check = 0;
4091 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
b0026624
MC		 4092 mss |= (ip_tcp_len + tcp_opt_len) << 9;
4093 }
5a6f3074
MC		 4094
4095 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4096 TXD_FLAG_CPU_POST_DMA);
4097
aa8223c7 4098 tcp_hdr(skb)->check = 0;
5a6f3074 4099
5a6f3074 4100 }
84fa7933 4101 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 4102 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 4103#if TG3_VLAN_TAG_USED
4104 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4105 base_flags |= (TXD_FLAG_VLAN |
4106 (vlan_tx_tag_get(skb) << 16));
4107#endif
4108
4109 /* Queue skb data, a.k.a. the main skb fragment. */
4110 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4111
4112 tp->tx_buffers[entry].skb = skb;
4113 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4114
4115 tg3_set_txd(tp, entry, mapping, len, base_flags,
4116 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4117
4118 entry = NEXT_TX(entry);
4119
4120 /* Now loop through additional data fragments, and queue them. */
4121 if (skb_shinfo(skb)->nr_frags > 0) {
4122 unsigned int i, last;
4123
4124 last = skb_shinfo(skb)->nr_frags - 1;
4125 for (i = 0; i <= last; i++) {
4126 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4127
4128 len = frag->size;
4129 mapping = pci_map_page(tp->pdev,
4130 frag->page,
4131 frag->page_offset,
4132 len, PCI_DMA_TODEVICE);
4133
4134 tp->tx_buffers[entry].skb = NULL;
4135 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4136
4137 tg3_set_txd(tp, entry, mapping, len,
4138 base_flags, (i == last) | (mss << 1));
4139
4140 entry = NEXT_TX(entry);
4141 }
4142 }
4143
4144 /* Packets are ready, update Tx producer idx local and on card. */
4145 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4146
4147 tp->tx_prod = entry;
1b2a7205 4148 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5a6f3074 4149 netif_stop_queue(dev);
42952231 4150 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5a6f3074
MC		 4151 netif_wake_queue(tp->dev);
4152 }
4153
4154out_unlock:
4155 mmiowb();
5a6f3074
MC		 4156
4157 dev->trans_start = jiffies;
4158
4159 return NETDEV_TX_OK;
4160}
4161
52c0fd83
MC		 4162static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
4163
4164/* Use GSO to workaround a rare TSO bug that may be triggered when the
4165 * TSO header is greater than 80 bytes.
4166 */
4167static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
4168{
4169 struct sk_buff *segs, *nskb;
4170
4171 /* Estimate the number of fragments in the worst case */
1b2a7205 4172 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
52c0fd83 4173 netif_stop_queue(tp->dev);
7f62ad5d
MC		 4174 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4175 return NETDEV_TX_BUSY;
4176
4177 netif_wake_queue(tp->dev);
52c0fd83
MC		 4178 }
4179
4180 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4181 if (unlikely(IS_ERR(segs)))
4182 goto tg3_tso_bug_end;
4183
4184 do {
4185 nskb = segs;
4186 segs = segs->next;
4187 nskb->next = NULL;
4188 tg3_start_xmit_dma_bug(nskb, tp->dev);
4189 } while (segs);
4190
4191tg3_tso_bug_end:
4192 dev_kfree_skb(skb);
4193
4194 return NETDEV_TX_OK;
4195}
52c0fd83 4196
5a6f3074
MC		 4197/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4198 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4199 */
4200static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
1da177e4
LT		 4201{
4202 struct tg3 *tp = netdev_priv(dev);
4203 dma_addr_t mapping;
1da177e4
LT		 4204 u32 len, entry, base_flags, mss;
4205 int would_hit_hwbug;
1da177e4
LT		 4206
4207 len = skb_headlen(skb);
4208
00b70504 4209 /* We are running in BH disabled context with netif_tx_lock
bea3348e 4210 * and TX reclaim runs via tp->napi.poll inside of a software
f47c11ee
DM		 4211 * interrupt. Furthermore, IRQ processing runs lockless so we have
4212 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 4213 */
1b2a7205 4214 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
1f064a87
SH		 4215 if (!netif_queue_stopped(dev)) {
4216 netif_stop_queue(dev);
4217
4218 /* This is a hard error, log it. */
4219 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4220 "queue awake!\n", dev->name);
4221 }
1da177e4
LT		 4222 return NETDEV_TX_BUSY;
4223 }
4224
4225 entry = tp->tx_prod;
4226 base_flags = 0;
84fa7933 4227 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 4228 base_flags |= TXD_FLAG_TCPUDP_CSUM;
1da177e4 4229 mss = 0;
c13e3713 4230 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
eddc9ec5 4231 struct iphdr *iph;
52c0fd83 4232 int tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 4233
4234 if (skb_header_cloned(skb) &&
4235 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4236 dev_kfree_skb(skb);
4237 goto out_unlock;
4238 }
4239
ab6a5bb6 4240 tcp_opt_len = tcp_optlen(skb);
c9bdd4b5 4241 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
1da177e4 4242
52c0fd83
MC		 4243 hdr_len = ip_tcp_len + tcp_opt_len;
4244 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
7f62ad5d 4245 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
52c0fd83
MC		 4246 return (tg3_tso_bug(tp, skb));
4247
1da177e4
LT		 4248 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4249 TXD_FLAG_CPU_POST_DMA);
4250
eddc9ec5
ACM		 4251 iph = ip_hdr(skb);
4252 iph->check = 0;
4253 iph->tot_len = htons(mss + hdr_len);
1da177e4 4254 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
aa8223c7 4255 tcp_hdr(skb)->check = 0;
1da177e4 4256 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
aa8223c7
ACM		 4257 } else
4258 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4259 iph->daddr, 0,
4260 IPPROTO_TCP,
4261 0);
1da177e4
LT		 4262
4263 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4264 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
eddc9ec5 4265 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 4266 int tsflags;
4267
eddc9ec5 4268 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 4269 mss |= (tsflags << 11);
4270 }
4271 } else {
eddc9ec5 4272 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 4273 int tsflags;
4274
eddc9ec5 4275 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 4276 base_flags |= tsflags << 12;
4277 }
4278 }
4279 }
1da177e4
LT		 4280#if TG3_VLAN_TAG_USED
4281 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4282 base_flags |= (TXD_FLAG_VLAN |
4283 (vlan_tx_tag_get(skb) << 16));
4284#endif
4285
4286 /* Queue skb data, a.k.a. the main skb fragment. */
4287 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4288
4289 tp->tx_buffers[entry].skb = skb;
4290 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4291
4292 would_hit_hwbug = 0;
4293
4294 if (tg3_4g_overflow_test(mapping, len))
c58ec932 4295 would_hit_hwbug = 1;
1da177e4
LT		 4296
4297 tg3_set_txd(tp, entry, mapping, len, base_flags,
4298 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4299
4300 entry = NEXT_TX(entry);
4301
4302 /* Now loop through additional data fragments, and queue them. */
4303 if (skb_shinfo(skb)->nr_frags > 0) {
4304 unsigned int i, last;
4305
4306 last = skb_shinfo(skb)->nr_frags - 1;
4307 for (i = 0; i <= last; i++) {
4308 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4309
4310 len = frag->size;
4311 mapping = pci_map_page(tp->pdev,
4312 frag->page,
4313 frag->page_offset,
4314 len, PCI_DMA_TODEVICE);
4315
4316 tp->tx_buffers[entry].skb = NULL;
4317 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4318
c58ec932
MC		 4319 if (tg3_4g_overflow_test(mapping, len))
4320 would_hit_hwbug = 1;
1da177e4 4321
72f2afb8
MC		 4322 if (tg3_40bit_overflow_test(tp, mapping, len))
4323 would_hit_hwbug = 1;
4324
1da177e4
LT		 4325 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4326 tg3_set_txd(tp, entry, mapping, len,
4327 base_flags, (i == last)|(mss << 1));
4328 else
4329 tg3_set_txd(tp, entry, mapping, len,
4330 base_flags, (i == last));
4331
4332 entry = NEXT_TX(entry);
4333 }
4334 }
4335
4336 if (would_hit_hwbug) {
4337 u32 last_plus_one = entry;
4338 u32 start;
1da177e4 4339
c58ec932
MC		 4340 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4341 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 4342
4343 /* If the workaround fails due to memory/mapping
4344 * failure, silently drop this packet.
4345 */
72f2afb8 4346 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
c58ec932 4347 &start, base_flags, mss))
1da177e4
LT		 4348 goto out_unlock;
4349
4350 entry = start;
4351 }
4352
4353 /* Packets are ready, update Tx producer idx local and on card. */
4354 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4355
4356 tp->tx_prod = entry;
1b2a7205 4357 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
1da177e4 4358 netif_stop_queue(dev);
42952231 4359 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
51b91468
MC		 4360 netif_wake_queue(tp->dev);
4361 }
1da177e4
LT		 4362
4363out_unlock:
4364 mmiowb();
1da177e4
LT		 4365
4366 dev->trans_start = jiffies;
4367
4368 return NETDEV_TX_OK;
4369}
4370
4371static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4372 int new_mtu)
4373{
4374 dev->mtu = new_mtu;
4375
ef7f5ec0 4376 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 4377 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 4378 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4379 ethtool_op_set_tso(dev, 0);
4380 }
4381 else
4382 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4383 } else {
a4e2b347 4384 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 4385 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 4386 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 4387 }
1da177e4
LT		 4388}
4389
4390static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4391{
4392 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 4393 int err;
1da177e4
LT		 4394
4395 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4396 return -EINVAL;
4397
4398 if (!netif_running(dev)) {
4399 /* We'll just catch it later when the
4400 * device is up'd.
4401 */
4402 tg3_set_mtu(dev, tp, new_mtu);
4403 return 0;
4404 }
4405
4406 tg3_netif_stop(tp);
f47c11ee
DM		 4407
4408 tg3_full_lock(tp, 1);
1da177e4 4409
944d980e 4410 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 4411
4412 tg3_set_mtu(dev, tp, new_mtu);
4413
b9ec6c1b 4414 err = tg3_restart_hw(tp, 0);
1da177e4 4415
b9ec6c1b
MC		 4416 if (!err)
4417 tg3_netif_start(tp);
1da177e4 4418
f47c11ee 4419 tg3_full_unlock(tp);
1da177e4 4420
b9ec6c1b 4421 return err;
1da177e4
LT		 4422}
4423
4424/* Free up pending packets in all rx/tx rings.
4425 *
4426 * The chip has been shut down and the driver detached from
4427 * the networking, so no interrupts or new tx packets will
4428 * end up in the driver. tp->{tx,}lock is not held and we are not
4429 * in an interrupt context and thus may sleep.
4430 */
4431static void tg3_free_rings(struct tg3 *tp)
4432{
4433 struct ring_info *rxp;
4434 int i;
4435
4436 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4437 rxp = &tp->rx_std_buffers[i];
4438
4439 if (rxp->skb == NULL)
4440 continue;
4441 pci_unmap_single(tp->pdev,
4442 pci_unmap_addr(rxp, mapping),
7e72aad4 4443 tp->rx_pkt_buf_sz - tp->rx_offset,
1da177e4
LT		 4444 PCI_DMA_FROMDEVICE);
4445 dev_kfree_skb_any(rxp->skb);
4446 rxp->skb = NULL;
4447 }
4448
4449 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4450 rxp = &tp->rx_jumbo_buffers[i];
4451
4452 if (rxp->skb == NULL)
4453 continue;
4454 pci_unmap_single(tp->pdev,
4455 pci_unmap_addr(rxp, mapping),
4456 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4457 PCI_DMA_FROMDEVICE);
4458 dev_kfree_skb_any(rxp->skb);
4459 rxp->skb = NULL;
4460 }
4461
4462 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4463 struct tx_ring_info *txp;
4464 struct sk_buff *skb;
4465 int j;
4466
4467 txp = &tp->tx_buffers[i];
4468 skb = txp->skb;
4469
4470 if (skb == NULL) {
4471 i++;
4472 continue;
4473 }
4474
4475 pci_unmap_single(tp->pdev,
4476 pci_unmap_addr(txp, mapping),
4477 skb_headlen(skb),
4478 PCI_DMA_TODEVICE);
4479 txp->skb = NULL;
4480
4481 i++;
4482
4483 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4484 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4485 pci_unmap_page(tp->pdev,
4486 pci_unmap_addr(txp, mapping),
4487 skb_shinfo(skb)->frags[j].size,
4488 PCI_DMA_TODEVICE);
4489 i++;
4490 }
4491
4492 dev_kfree_skb_any(skb);
4493 }
4494}
4495
4496/* Initialize tx/rx rings for packet processing.
4497 *
4498 * The chip has been shut down and the driver detached from
4499 * the networking, so no interrupts or new tx packets will
4500 * end up in the driver. tp->{tx,}lock are held and thus
4501 * we may not sleep.
4502 */
32d8c572 4503static int tg3_init_rings(struct tg3 *tp)
1da177e4
LT		 4504{
4505 u32 i;
4506
4507 /* Free up all the SKBs. */
4508 tg3_free_rings(tp);
4509
4510 /* Zero out all descriptors. */
4511 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4512 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4513 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4514 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4515
7e72aad4 4516 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
a4e2b347 4517 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
7e72aad4
MC		 4518 (tp->dev->mtu > ETH_DATA_LEN))
4519 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4520
1da177e4
LT		 4521 /* Initialize invariants of the rings, we only set this
4522 * stuff once. This works because the card does not
4523 * write into the rx buffer posting rings.
4524 */
4525 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4526 struct tg3_rx_buffer_desc *rxd;
4527
4528 rxd = &tp->rx_std[i];
7e72aad4 4529 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
1da177e4
LT		 4530 << RXD_LEN_SHIFT;
4531 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4532 rxd->opaque = (RXD_OPAQUE_RING_STD |
4533 (i << RXD_OPAQUE_INDEX_SHIFT));
4534 }
4535
0f893dc6 4536 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4537 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4538 struct tg3_rx_buffer_desc *rxd;
4539
4540 rxd = &tp->rx_jumbo[i];
4541 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4542 << RXD_LEN_SHIFT;
4543 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4544 RXD_FLAG_JUMBO;
4545 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4546 (i << RXD_OPAQUE_INDEX_SHIFT));
4547 }
4548 }
4549
4550 /* Now allocate fresh SKBs for each rx ring. */
4551 for (i = 0; i < tp->rx_pending; i++) {
32d8c572
MC		 4552 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4553 printk(KERN_WARNING PFX
4554 "%s: Using a smaller RX standard ring, "
4555 "only %d out of %d buffers were allocated "
4556 "successfully.\n",
4557 tp->dev->name, i, tp->rx_pending);
4558 if (i == 0)
4559 return -ENOMEM;
4560 tp->rx_pending = i;
1da177e4 4561 break;
32d8c572 4562 }
1da177e4
LT		 4563 }
4564
0f893dc6 4565 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4566 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4567 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
32d8c572
MC		 4568 -1, i) < 0) {
4569 printk(KERN_WARNING PFX
4570 "%s: Using a smaller RX jumbo ring, "
4571 "only %d out of %d buffers were "
4572 "allocated successfully.\n",
4573 tp->dev->name, i, tp->rx_jumbo_pending);
4574 if (i == 0) {
4575 tg3_free_rings(tp);
4576 return -ENOMEM;
4577 }
4578 tp->rx_jumbo_pending = i;
1da177e4 4579 break;
32d8c572 4580 }
1da177e4
LT		 4581 }
4582 }
32d8c572 4583 return 0;
1da177e4
LT		 4584}
4585
4586/*
4587 * Must not be invoked with interrupt sources disabled and
4588 * the hardware shutdown down.
4589 */
4590static void tg3_free_consistent(struct tg3 *tp)
4591{
b4558ea9
JJ		 4592 kfree(tp->rx_std_buffers);
4593 tp->rx_std_buffers = NULL;
1da177e4
LT		 4594 if (tp->rx_std) {
4595 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4596 tp->rx_std, tp->rx_std_mapping);
4597 tp->rx_std = NULL;
4598 }
4599 if (tp->rx_jumbo) {
4600 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4601 tp->rx_jumbo, tp->rx_jumbo_mapping);
4602 tp->rx_jumbo = NULL;
4603 }
4604 if (tp->rx_rcb) {
4605 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4606 tp->rx_rcb, tp->rx_rcb_mapping);
4607 tp->rx_rcb = NULL;
4608 }
4609 if (tp->tx_ring) {
4610 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4611 tp->tx_ring, tp->tx_desc_mapping);
4612 tp->tx_ring = NULL;
4613 }
4614 if (tp->hw_status) {
4615 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4616 tp->hw_status, tp->status_mapping);
4617 tp->hw_status = NULL;
4618 }
4619 if (tp->hw_stats) {
4620 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4621 tp->hw_stats, tp->stats_mapping);
4622 tp->hw_stats = NULL;
4623 }
4624}
4625
4626/*
4627 * Must not be invoked with interrupt sources disabled and
4628 * the hardware shutdown down. Can sleep.
4629 */
4630static int tg3_alloc_consistent(struct tg3 *tp)
4631{
bd2b3343 4632 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
1da177e4
LT		 4633 (TG3_RX_RING_SIZE +
4634 TG3_RX_JUMBO_RING_SIZE)) +
4635 (sizeof(struct tx_ring_info) *
4636 TG3_TX_RING_SIZE),
4637 GFP_KERNEL);
4638 if (!tp->rx_std_buffers)
4639 return -ENOMEM;
4640
1da177e4
LT		 4641 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4642 tp->tx_buffers = (struct tx_ring_info *)
4643 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4644
4645 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4646 &tp->rx_std_mapping);
4647 if (!tp->rx_std)
4648 goto err_out;
4649
4650 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4651 &tp->rx_jumbo_mapping);
4652
4653 if (!tp->rx_jumbo)
4654 goto err_out;
4655
4656 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4657 &tp->rx_rcb_mapping);
4658 if (!tp->rx_rcb)
4659 goto err_out;
4660
4661 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4662 &tp->tx_desc_mapping);
4663 if (!tp->tx_ring)
4664 goto err_out;
4665
4666 tp->hw_status = pci_alloc_consistent(tp->pdev,
4667 TG3_HW_STATUS_SIZE,
4668 &tp->status_mapping);
4669 if (!tp->hw_status)
4670 goto err_out;
4671
4672 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4673 sizeof(struct tg3_hw_stats),
4674 &tp->stats_mapping);
4675 if (!tp->hw_stats)
4676 goto err_out;
4677
4678 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4679 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4680
4681 return 0;
4682
4683err_out:
4684 tg3_free_consistent(tp);
4685 return -ENOMEM;
4686}
4687
4688#define MAX_WAIT_CNT 1000
4689
4690/* To stop a block, clear the enable bit and poll till it
4691 * clears. tp->lock is held.
4692 */
b3b7d6be 4693static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 4694{
4695 unsigned int i;
4696 u32 val;
4697
4698 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4699 switch (ofs) {
4700 case RCVLSC_MODE:
4701 case DMAC_MODE:
4702 case MBFREE_MODE:
4703 case BUFMGR_MODE:
4704 case MEMARB_MODE:
4705 /* We can't enable/disable these bits of the
4706 * 5705/5750, just say success.
4707 */
4708 return 0;
4709
4710 default:
4711 break;
4712 };
4713 }
4714
4715 val = tr32(ofs);
4716 val &= ~enable_bit;
4717 tw32_f(ofs, val);
4718
4719 for (i = 0; i < MAX_WAIT_CNT; i++) {
4720 udelay(100);
4721 val = tr32(ofs);
4722 if ((val & enable_bit) == 0)
4723 break;
4724 }
4725
b3b7d6be 4726 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 4727 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4728 "ofs=%lx enable_bit=%x\n",
4729 ofs, enable_bit);
4730 return -ENODEV;
4731 }
4732
4733 return 0;
4734}
4735
4736/* tp->lock is held. */
b3b7d6be 4737static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 4738{
4739 int i, err;
4740
4741 tg3_disable_ints(tp);
4742
4743 tp->rx_mode &= ~RX_MODE_ENABLE;
4744 tw32_f(MAC_RX_MODE, tp->rx_mode);
4745 udelay(10);
4746
b3b7d6be
DM		 4747 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4748 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4749 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4750 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4751 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4752 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4753
4754 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4755 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4756 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4757 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4758 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4759 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4760 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 4761
4762 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4763 tw32_f(MAC_MODE, tp->mac_mode);
4764 udelay(40);
4765
4766 tp->tx_mode &= ~TX_MODE_ENABLE;
4767 tw32_f(MAC_TX_MODE, tp->tx_mode);
4768
4769 for (i = 0; i < MAX_WAIT_CNT; i++) {
4770 udelay(100);
4771 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4772 break;
4773 }
4774 if (i >= MAX_WAIT_CNT) {
4775 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4776 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4777 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 4778 err |= -ENODEV;
1da177e4
LT		 4779 }
4780
e6de8ad1 4781 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 4782 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4783 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 4784
4785 tw32(FTQ_RESET, 0xffffffff);
4786 tw32(FTQ_RESET, 0x00000000);
4787
b3b7d6be
DM		 4788 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4789 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4
LT		 4790
4791 if (tp->hw_status)
4792 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4793 if (tp->hw_stats)
4794 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4795
1da177e4
LT		 4796 return err;
4797}
4798
4799/* tp->lock is held. */
4800static int tg3_nvram_lock(struct tg3 *tp)
4801{
4802 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4803 int i;
4804
ec41c7df
MC		 4805 if (tp->nvram_lock_cnt == 0) {
4806 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4807 for (i = 0; i < 8000; i++) {
4808 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4809 break;
4810 udelay(20);
4811 }
4812 if (i == 8000) {
4813 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4814 return -ENODEV;
4815 }
1da177e4 4816 }
ec41c7df 4817 tp->nvram_lock_cnt++;
1da177e4
LT		 4818 }
4819 return 0;
4820}
4821
4822/* tp->lock is held. */
4823static void tg3_nvram_unlock(struct tg3 *tp)
4824{
ec41c7df
MC		 4825 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4826 if (tp->nvram_lock_cnt > 0)
4827 tp->nvram_lock_cnt--;
4828 if (tp->nvram_lock_cnt == 0)
4829 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4830 }
1da177e4
LT		 4831}
4832
e6af301b
MC		 4833/* tp->lock is held. */
4834static void tg3_enable_nvram_access(struct tg3 *tp)
4835{
4836 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4837 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4838 u32 nvaccess = tr32(NVRAM_ACCESS);
4839
4840 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4841 }
4842}
4843
4844/* tp->lock is held. */
4845static void tg3_disable_nvram_access(struct tg3 *tp)
4846{
4847 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4848 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4849 u32 nvaccess = tr32(NVRAM_ACCESS);
4850
4851 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4852 }
4853}
4854
0d3031d9
MC		 4855static void tg3_ape_send_event(struct tg3 *tp, u32 event)
4856{
4857 int i;
4858 u32 apedata;
4859
4860 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
4861 if (apedata != APE_SEG_SIG_MAGIC)
4862 return;
4863
4864 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
4865 if (apedata != APE_FW_STATUS_READY)
4866 return;
4867
4868 /* Wait for up to 1 millisecond for APE to service previous event. */
4869 for (i = 0; i < 10; i++) {
4870 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
4871 return;
4872
4873 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
4874
4875 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4876 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
4877 event | APE_EVENT_STATUS_EVENT_PENDING);
4878
4879 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
4880
4881 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4882 break;
4883
4884 udelay(100);
4885 }
4886
4887 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4888 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
4889}
4890
4891static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
4892{
4893 u32 event;
4894 u32 apedata;
4895
4896 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
4897 return;
4898
4899 switch (kind) {
4900 case RESET_KIND_INIT:
4901 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
4902 APE_HOST_SEG_SIG_MAGIC);
4903 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
4904 APE_HOST_SEG_LEN_MAGIC);
4905 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
4906 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
4907 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
4908 APE_HOST_DRIVER_ID_MAGIC);
4909 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
4910 APE_HOST_BEHAV_NO_PHYLOCK);
4911
4912 event = APE_EVENT_STATUS_STATE_START;
4913 break;
4914 case RESET_KIND_SHUTDOWN:
4915 event = APE_EVENT_STATUS_STATE_UNLOAD;
4916 break;
4917 case RESET_KIND_SUSPEND:
4918 event = APE_EVENT_STATUS_STATE_SUSPEND;
4919 break;
4920 default:
4921 return;
4922 }
4923
4924 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
4925
4926 tg3_ape_send_event(tp, event);
4927}
4928
1da177e4
LT		 4929/* tp->lock is held. */
4930static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4931{
f49639e6
DM		 4932 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4933 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 4934
4935 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4936 switch (kind) {
4937 case RESET_KIND_INIT:
4938 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4939 DRV_STATE_START);
4940 break;
4941
4942 case RESET_KIND_SHUTDOWN:
4943 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4944 DRV_STATE_UNLOAD);
4945 break;
4946
4947 case RESET_KIND_SUSPEND:
4948 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4949 DRV_STATE_SUSPEND);
4950 break;
4951
4952 default:
4953 break;
4954 };
4955 }
0d3031d9
MC		 4956
4957 if (kind == RESET_KIND_INIT ||
4958 kind == RESET_KIND_SUSPEND)
4959 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 4960}
4961
4962/* tp->lock is held. */
4963static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4964{
4965 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4966 switch (kind) {
4967 case RESET_KIND_INIT:
4968 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4969 DRV_STATE_START_DONE);
4970 break;
4971
4972 case RESET_KIND_SHUTDOWN:
4973 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4974 DRV_STATE_UNLOAD_DONE);
4975 break;
4976
4977 default:
4978 break;
4979 };
4980 }
0d3031d9
MC		 4981
4982 if (kind == RESET_KIND_SHUTDOWN)
4983 tg3_ape_driver_state_change(tp, kind);
1da177e4
LT		 4984}
4985
4986/* tp->lock is held. */
4987static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4988{
4989 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4990 switch (kind) {
4991 case RESET_KIND_INIT:
4992 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4993 DRV_STATE_START);
4994 break;
4995
4996 case RESET_KIND_SHUTDOWN:
4997 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4998 DRV_STATE_UNLOAD);
4999 break;
5000
5001 case RESET_KIND_SUSPEND:
5002 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5003 DRV_STATE_SUSPEND);
5004 break;
5005
5006 default:
5007 break;
5008 };
5009 }
5010}
5011
7a6f4369
MC		 5012static int tg3_poll_fw(struct tg3 *tp)
5013{
5014 int i;
5015 u32 val;
5016
b5d3772c 5017 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 5018 /* Wait up to 20ms for init done. */
5019 for (i = 0; i < 200; i++) {
b5d3772c
MC		 5020 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
5021 return 0;
0ccead18 5022 udelay(100);
b5d3772c
MC		 5023 }
5024 return -ENODEV;
5025 }
5026
7a6f4369
MC		 5027 /* Wait for firmware initialization to complete. */
5028 for (i = 0; i < 100000; i++) {
5029 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
5030 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
5031 break;
5032 udelay(10);
5033 }
5034
5035 /* Chip might not be fitted with firmware. Some Sun onboard
5036 * parts are configured like that. So don't signal the timeout
5037 * of the above loop as an error, but do report the lack of
5038 * running firmware once.
5039 */
5040 if (i >= 100000 &&
5041 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
5042 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
5043
5044 printk(KERN_INFO PFX "%s: No firmware running.\n",
5045 tp->dev->name);
5046 }
5047
5048 return 0;
5049}
5050
ee6a99b5
MC		 5051/* Save PCI command register before chip reset */
5052static void tg3_save_pci_state(struct tg3 *tp)
5053{
8a6eac90 5054 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
ee6a99b5
MC		 5055}
5056
5057/* Restore PCI state after chip reset */
5058static void tg3_restore_pci_state(struct tg3 *tp)
5059{
5060 u32 val;
5061
5062 /* Re-enable indirect register accesses. */
5063 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
5064 tp->misc_host_ctrl);
5065
5066 /* Set MAX PCI retry to zero. */
5067 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
5068 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
5069 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
5070 val |= PCISTATE_RETRY_SAME_DMA;
0d3031d9
MC		 5071 /* Allow reads and writes to the APE register and memory space. */
5072 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
5073 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
5074 PCISTATE_ALLOW_APE_SHMEM_WR;
ee6a99b5
MC		 5075 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
5076
8a6eac90 5077 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
ee6a99b5 5078
114342f2
MC		 5079 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
5080 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
5081 tp->pci_cacheline_sz);
5082 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
5083 tp->pci_lat_timer);
5084 }
ee6a99b5 5085 /* Make sure PCI-X relaxed ordering bit is clear. */
9974a356
MC		 5086 if (tp->pcix_cap) {
5087 u16 pcix_cmd;
5088
5089 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
5090 &pcix_cmd);
5091 pcix_cmd &= ~PCI_X_CMD_ERO;
5092 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
5093 pcix_cmd);
5094 }
ee6a99b5
MC		 5095
5096 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ee6a99b5
MC		 5097
5098 /* Chip reset on 5780 will reset MSI enable bit,
5099 * so need to restore it.
5100 */
5101 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
5102 u16 ctrl;
5103
5104 pci_read_config_word(tp->pdev,
5105 tp->msi_cap + PCI_MSI_FLAGS,
5106 &ctrl);
5107 pci_write_config_word(tp->pdev,
5108 tp->msi_cap + PCI_MSI_FLAGS,
5109 ctrl | PCI_MSI_FLAGS_ENABLE);
5110 val = tr32(MSGINT_MODE);
5111 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
5112 }
5113 }
5114}
5115
1da177e4
LT		 5116static void tg3_stop_fw(struct tg3 *);
5117
5118/* tp->lock is held. */
5119static int tg3_chip_reset(struct tg3 *tp)
5120{
5121 u32 val;
1ee582d8 5122 void (*write_op)(struct tg3 *, u32, u32);
7a6f4369 5123 int err;
1da177e4 5124
f49639e6
DM		 5125 tg3_nvram_lock(tp);
5126
5127 /* No matching tg3_nvram_unlock() after this because
5128 * chip reset below will undo the nvram lock.
5129 */
5130 tp->nvram_lock_cnt = 0;
1da177e4 5131
ee6a99b5
MC		 5132 /* GRC_MISC_CFG core clock reset will clear the memory
5133 * enable bit in PCI register 4 and the MSI enable bit
5134 * on some chips, so we save relevant registers here.
5135 */
5136 tg3_save_pci_state(tp);
5137
d9ab5ad1 5138 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 5139 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 5140 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 5141 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
5142 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
d9ab5ad1
MC		 5143 tw32(GRC_FASTBOOT_PC, 0);
5144
1da177e4
LT		 5145 /*
5146 * We must avoid the readl() that normally takes place.
5147 * It locks machines, causes machine checks, and other
5148 * fun things. So, temporarily disable the 5701
5149 * hardware workaround, while we do the reset.
5150 */
1ee582d8
MC		 5151 write_op = tp->write32;
5152 if (write_op == tg3_write_flush_reg32)
5153 tp->write32 = tg3_write32;
1da177e4 5154
d18edcb2
MC		 5155 /* Prevent the irq handler from reading or writing PCI registers
5156 * during chip reset when the memory enable bit in the PCI command
5157 * register may be cleared. The chip does not generate interrupt
5158 * at this time, but the irq handler may still be called due to irq
5159 * sharing or irqpoll.
5160 */
5161 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
b8fa2f3a
MC		 5162 if (tp->hw_status) {
5163 tp->hw_status->status = 0;
5164 tp->hw_status->status_tag = 0;
5165 }
d18edcb2
MC		 5166 tp->last_tag = 0;
5167 smp_mb();
5168 synchronize_irq(tp->pdev->irq);
5169
1da177e4
LT		 5170 /* do the reset */
5171 val = GRC_MISC_CFG_CORECLK_RESET;
5172
5173 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
5174 if (tr32(0x7e2c) == 0x60) {
5175 tw32(0x7e2c, 0x20);
5176 }
5177 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
5178 tw32(GRC_MISC_CFG, (1 << 29));
5179 val |= (1 << 29);
5180 }
5181 }
5182
b5d3772c
MC		 5183 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5184 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
5185 tw32(GRC_VCPU_EXT_CTRL,
5186 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
5187 }
5188
1da177e4
LT		 5189 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5190 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
5191 tw32(GRC_MISC_CFG, val);
5192
1ee582d8
MC		 5193 /* restore 5701 hardware bug workaround write method */
5194 tp->write32 = write_op;
1da177e4
LT		 5195
5196 /* Unfortunately, we have to delay before the PCI read back.
5197 * Some 575X chips even will not respond to a PCI cfg access
5198 * when the reset command is given to the chip.
5199 *
5200 * How do these hardware designers expect things to work
5201 * properly if the PCI write is posted for a long period
5202 * of time? It is always necessary to have some method by
5203 * which a register read back can occur to push the write
5204 * out which does the reset.
5205 *
5206 * For most tg3 variants the trick below was working.
5207 * Ho hum...
5208 */
5209 udelay(120);
5210
5211 /* Flush PCI posted writes. The normal MMIO registers
5212 * are inaccessible at this time so this is the only
5213 * way to make this reliably (actually, this is no longer
5214 * the case, see above). I tried to use indirect
5215 * register read/write but this upset some 5701 variants.
5216 */
5217 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
5218
5219 udelay(120);
5220
5221 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
5222 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
5223 int i;
5224 u32 cfg_val;
5225
5226 /* Wait for link training to complete. */
5227 for (i = 0; i < 5000; i++)
5228 udelay(100);
5229
5230 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
5231 pci_write_config_dword(tp->pdev, 0xc4,
5232 cfg_val | (1 << 15));
5233 }
5234 /* Set PCIE max payload size and clear error status. */
5235 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
5236 }
5237
ee6a99b5 5238 tg3_restore_pci_state(tp);
1da177e4 5239
d18edcb2
MC		 5240 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
5241
ee6a99b5
MC		 5242 val = 0;
5243 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f 5244 val = tr32(MEMARB_MODE);
ee6a99b5 5245 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
1da177e4
LT		 5246
5247 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
5248 tg3_stop_fw(tp);
5249 tw32(0x5000, 0x400);
5250 }
5251
5252 tw32(GRC_MODE, tp->grc_mode);
5253
5254 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
ab0049b4 5255 val = tr32(0xc4);
1da177e4
LT		 5256
5257 tw32(0xc4, val | (1 << 15));
5258 }
5259
5260 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
5261 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5262 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
5263 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
5264 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
5265 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5266 }
5267
5268 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5269 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
5270 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 5271 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
5272 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
5273 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 5274 } else
5275 tw32_f(MAC_MODE, 0);
5276 udelay(40);
5277
7a6f4369
MC		 5278 err = tg3_poll_fw(tp);
5279 if (err)
5280 return err;
1da177e4
LT		 5281
5282 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
5283 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
ab0049b4 5284 val = tr32(0x7c00);
1da177e4
LT		 5285
5286 tw32(0x7c00, val | (1 << 25));
5287 }
5288
5289 /* Reprobe ASF enable state. */
5290 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5291 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5292 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5293 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5294 u32 nic_cfg;
5295
5296 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5297 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5298 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 5299 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 5300 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5301 }
5302 }
5303
5304 return 0;
5305}
5306
5307/* tp->lock is held. */
5308static void tg3_stop_fw(struct tg3 *tp)
5309{
0d3031d9
MC		 5310 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
5311 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
1da177e4
LT		 5312 u32 val;
5313 int i;
5314
5315 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5316 val = tr32(GRC_RX_CPU_EVENT);
5317 val |= (1 << 14);
5318 tw32(GRC_RX_CPU_EVENT, val);
5319
5320 /* Wait for RX cpu to ACK the event. */
5321 for (i = 0; i < 100; i++) {
5322 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5323 break;
5324 udelay(1);
5325 }
5326 }
5327}
5328
5329/* tp->lock is held. */
944d980e 5330static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 5331{
5332 int err;
5333
5334 tg3_stop_fw(tp);
5335
944d980e 5336 tg3_write_sig_pre_reset(tp, kind);
1da177e4 5337
b3b7d6be 5338 tg3_abort_hw(tp, silent);
1da177e4
LT		 5339 err = tg3_chip_reset(tp);
5340
944d980e
MC		 5341 tg3_write_sig_legacy(tp, kind);
5342 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 5343
5344 if (err)
5345 return err;
5346
5347 return 0;
5348}
5349
5350#define TG3_FW_RELEASE_MAJOR 0x0
5351#define TG3_FW_RELASE_MINOR 0x0
5352#define TG3_FW_RELEASE_FIX 0x0
5353#define TG3_FW_START_ADDR 0x08000000
5354#define TG3_FW_TEXT_ADDR 0x08000000
5355#define TG3_FW_TEXT_LEN 0x9c0
5356#define TG3_FW_RODATA_ADDR 0x080009c0
5357#define TG3_FW_RODATA_LEN 0x60
5358#define TG3_FW_DATA_ADDR 0x08000a40
5359#define TG3_FW_DATA_LEN 0x20
5360#define TG3_FW_SBSS_ADDR 0x08000a60
5361#define TG3_FW_SBSS_LEN 0xc
5362#define TG3_FW_BSS_ADDR 0x08000a70
5363#define TG3_FW_BSS_LEN 0x10
5364
50da859d 5365static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5366 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5367 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5368 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5369 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5370 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5371 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5372 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5373 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5374 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5375 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5376 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5377 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5378 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5379 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5380 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5381 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5382 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5383 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5384 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5385 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5386 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5387 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5388 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5389 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5390 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5391 0, 0, 0, 0, 0, 0,
5392 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5393 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5394 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5395 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5396 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5397 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5398 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5399 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5400 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5401 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5402 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5403 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5404 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5405 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5406 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5407 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5408 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5409 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5410 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5411 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5412 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5413 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5414 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5415 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5416 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5417 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5418 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5419 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5420 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5421 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5422 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5423 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5424 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5425 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5426 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5427 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5428 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5429 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5430 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5431 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5432 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5433 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5434 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5435 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5436 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5437 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5438 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5439 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5440 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5441 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5442 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5443 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5444 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5445 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5446 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5447 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5448 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5449 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5450 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5451 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5452 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5453 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5454 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5455 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5456 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5457};
5458
50da859d 5459static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5460 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5461 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5462 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5463 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5464 0x00000000
5465};
5466
5467#if 0 /* All zeros, don't eat up space with it. */
5468u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5469 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5470 0x00000000, 0x00000000, 0x00000000, 0x00000000
5471};
5472#endif
5473
5474#define RX_CPU_SCRATCH_BASE 0x30000
5475#define RX_CPU_SCRATCH_SIZE 0x04000
5476#define TX_CPU_SCRATCH_BASE 0x34000
5477#define TX_CPU_SCRATCH_SIZE 0x04000
5478
5479/* tp->lock is held. */
5480static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5481{
5482 int i;
5483
5d9428de
ES		 5484 BUG_ON(offset == TX_CPU_BASE &&
5485 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 5486
b5d3772c
MC		 5487 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5488 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5489
5490 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5491 return 0;
5492 }
1da177e4
LT		 5493 if (offset == RX_CPU_BASE) {
5494 for (i = 0; i < 10000; i++) {
5495 tw32(offset + CPU_STATE, 0xffffffff);
5496 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5497 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5498 break;
5499 }
5500
5501 tw32(offset + CPU_STATE, 0xffffffff);
5502 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5503 udelay(10);
5504 } else {
5505 for (i = 0; i < 10000; i++) {
5506 tw32(offset + CPU_STATE, 0xffffffff);
5507 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5508 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5509 break;
5510 }
5511 }
5512
5513 if (i >= 10000) {
5514 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5515 "and %s CPU\n",
5516 tp->dev->name,
5517 (offset == RX_CPU_BASE ? "RX" : "TX"));
5518 return -ENODEV;
5519 }
ec41c7df
MC		 5520
5521 /* Clear firmware's nvram arbitration. */
5522 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5523 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 5524 return 0;
5525}
5526
5527struct fw_info {
5528 unsigned int text_base;
5529 unsigned int text_len;
50da859d 5530 const u32 *text_data;
1da177e4
LT		 5531 unsigned int rodata_base;
5532 unsigned int rodata_len;
50da859d 5533 const u32 *rodata_data;
1da177e4
LT		 5534 unsigned int data_base;
5535 unsigned int data_len;
50da859d 5536 const u32 *data_data;
1da177e4
LT		 5537};
5538
5539/* tp->lock is held. */
5540static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5541 int cpu_scratch_size, struct fw_info *info)
5542{
ec41c7df 5543 int err, lock_err, i;
1da177e4
LT		 5544 void (*write_op)(struct tg3 *, u32, u32);
5545
5546 if (cpu_base == TX_CPU_BASE &&
5547 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5548 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5549 "TX cpu firmware on %s which is 5705.\n",
5550 tp->dev->name);
5551 return -EINVAL;
5552 }
5553
5554 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5555 write_op = tg3_write_mem;
5556 else
5557 write_op = tg3_write_indirect_reg32;
5558
1b628151
MC		 5559 /* It is possible that bootcode is still loading at this point.
5560 * Get the nvram lock first before halting the cpu.
5561 */
ec41c7df 5562 lock_err = tg3_nvram_lock(tp);
1da177e4 5563 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 5564 if (!lock_err)
5565 tg3_nvram_unlock(tp);
1da177e4
LT		 5566 if (err)
5567 goto out;
5568
5569 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5570 write_op(tp, cpu_scratch_base + i, 0);
5571 tw32(cpu_base + CPU_STATE, 0xffffffff);
5572 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5573 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5574 write_op(tp, (cpu_scratch_base +
5575 (info->text_base & 0xffff) +
5576 (i * sizeof(u32))),
5577 (info->text_data ?
5578 info->text_data[i] : 0));
5579 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5580 write_op(tp, (cpu_scratch_base +
5581 (info->rodata_base & 0xffff) +
5582 (i * sizeof(u32))),
5583 (info->rodata_data ?
5584 info->rodata_data[i] : 0));
5585 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5586 write_op(tp, (cpu_scratch_base +
5587 (info->data_base & 0xffff) +
5588 (i * sizeof(u32))),
5589 (info->data_data ?
5590 info->data_data[i] : 0));
5591
5592 err = 0;
5593
5594out:
1da177e4
LT		 5595 return err;
5596}
5597
5598/* tp->lock is held. */
5599static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5600{
5601 struct fw_info info;
5602 int err, i;
5603
5604 info.text_base = TG3_FW_TEXT_ADDR;
5605 info.text_len = TG3_FW_TEXT_LEN;
5606 info.text_data = &tg3FwText[0];
5607 info.rodata_base = TG3_FW_RODATA_ADDR;
5608 info.rodata_len = TG3_FW_RODATA_LEN;
5609 info.rodata_data = &tg3FwRodata[0];
5610 info.data_base = TG3_FW_DATA_ADDR;
5611 info.data_len = TG3_FW_DATA_LEN;
5612 info.data_data = NULL;
5613
5614 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5615 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5616 &info);
5617 if (err)
5618 return err;
5619
5620 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5621 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5622 &info);
5623 if (err)
5624 return err;
5625
5626 /* Now startup only the RX cpu. */
5627 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5628 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5629
5630 for (i = 0; i < 5; i++) {
5631 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5632 break;
5633 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5634 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5635 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5636 udelay(1000);
5637 }
5638 if (i >= 5) {
5639 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5640 "to set RX CPU PC, is %08x should be %08x\n",
5641 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5642 TG3_FW_TEXT_ADDR);
5643 return -ENODEV;
5644 }
5645 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5646 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5647
5648 return 0;
5649}
5650
1da177e4
LT		 5651
5652#define TG3_TSO_FW_RELEASE_MAJOR 0x1
5653#define TG3_TSO_FW_RELASE_MINOR 0x6
5654#define TG3_TSO_FW_RELEASE_FIX 0x0
5655#define TG3_TSO_FW_START_ADDR 0x08000000
5656#define TG3_TSO_FW_TEXT_ADDR 0x08000000
5657#define TG3_TSO_FW_TEXT_LEN 0x1aa0
5658#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5659#define TG3_TSO_FW_RODATA_LEN 0x60
5660#define TG3_TSO_FW_DATA_ADDR 0x08001b20
5661#define TG3_TSO_FW_DATA_LEN 0x30
5662#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5663#define TG3_TSO_FW_SBSS_LEN 0x2c
5664#define TG3_TSO_FW_BSS_ADDR 0x08001b80
5665#define TG3_TSO_FW_BSS_LEN 0x894
5666
50da859d 5667static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5668 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5669 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5670 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5671 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5672 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5673 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5674 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5675 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5676 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5677 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5678 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5679 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5680 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5681 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5682 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5683 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5684 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5685 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5686 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5687 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5688 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5689 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5690 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5691 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5692 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5693 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5694 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5695 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5696 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5697 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5698 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5699 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5700 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5701 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5702 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5703 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5704 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5705 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5706 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5707 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5708 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5709 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5710 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5711 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5712 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5713 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5714 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5715 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5716 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5717 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5718 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5719 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5720 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5721 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5722 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5723 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5724 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5725 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5726 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5727 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5728 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5729 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5730 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5731 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5732 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5733 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5734 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5735 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5736 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5737 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5738 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5739 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5740 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5741 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5742 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5743 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5744 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5745 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5746 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5747 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5748 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5749 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5750 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5751 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5752 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5753 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5754 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5755 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5756 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5757 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5758 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5759 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5760 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5761 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5762 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5763 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5764 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5765 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5766 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5767 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5768 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5769 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5770 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5771 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5772 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5773 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5774 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5775 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5776 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5777 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5778 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5779 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5780 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5781 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5782 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5783 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5784 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5785 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5786 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5787 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5788 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5789 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5790 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5791 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5792 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5793 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5794 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5795 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5796 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5797 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5798 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5799 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5800 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5801 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5802 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5803 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5804 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5805 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5806 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5807 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5808 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5809 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5810 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5811 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5812 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5813 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5814 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5815 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5816 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5817 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5818 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5819 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5820 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5821 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5822 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5823 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5824 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5825 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5826 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5827 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5828 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5829 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5830 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5831 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5832 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5833 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5834 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5835 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5836 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5837 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5838 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5839 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5840 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5841 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5842 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5843 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5844 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5845 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5846 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5847 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5848 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5849 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5850 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5851 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5852 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5853 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5854 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5855 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5856 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5857 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5858 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5859 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5860 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5861 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5862 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5863 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5864 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5865 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5866 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5867 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5868 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5869 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5870 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5871 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5872 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5873 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5874 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5875 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5876 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5877 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5878 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5879 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5880 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5881 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5882 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5883 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5884 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5885 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5886 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5887 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5888 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5889 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5890 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5891 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5892 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5893 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5894 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5895 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5896 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5897 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5898 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5899 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5900 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5901 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5902 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5903 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5904 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5905 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5906 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5907 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5908 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5909 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5910 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5911 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5912 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5913 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5914 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5915 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5916 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5917 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5918 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5919 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5920 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5921 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5922 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5923 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5924 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5925 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5926 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5927 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5928 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5929 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5930 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5931 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5932 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5933 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5934 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5935 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5936 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5937 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5938 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5939 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5940 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5941 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5942 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5943 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5944 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5945 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5946 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5947 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5948 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5949 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5950 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5951 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5952};
5953
50da859d 5954static const u32 tg3TsoFwRodata[] = {
1da177e4
LT		 5955 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5956 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5957 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5958 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5959 0x00000000,
5960};
5961
50da859d 5962static const u32 tg3TsoFwData[] = {
1da177e4
LT		 5963 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5964 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5965 0x00000000,
5966};
5967
5968/* 5705 needs a special version of the TSO firmware. */
5969#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5970#define TG3_TSO5_FW_RELASE_MINOR 0x2
5971#define TG3_TSO5_FW_RELEASE_FIX 0x0
5972#define TG3_TSO5_FW_START_ADDR 0x00010000
5973#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5974#define TG3_TSO5_FW_TEXT_LEN 0xe90
5975#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5976#define TG3_TSO5_FW_RODATA_LEN 0x50
5977#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5978#define TG3_TSO5_FW_DATA_LEN 0x20
5979#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5980#define TG3_TSO5_FW_SBSS_LEN 0x28
5981#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5982#define TG3_TSO5_FW_BSS_LEN 0x88
5983
50da859d 5984static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5985 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5986 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5987 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5988 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5989 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5990 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5991 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5992 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5993 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5994 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5995 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5996 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5997 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5998 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5999 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
6000 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
6001 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
6002 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
6003 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
6004 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
6005 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
6006 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
6007 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
6008 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
6009 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
6010 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
6011 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
6012 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
6013 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
6014 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
6015 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
6016 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
6017 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
6018 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
6019 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
6020 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
6021 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
6022 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
6023 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
6024 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
6025 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
6026 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
6027 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
6028 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
6029 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
6030 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
6031 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
6032 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
6033 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
6034 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
6035 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
6036 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
6037 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
6038 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
6039 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
6040 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
6041 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
6042 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
6043 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
6044 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
6045 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
6046 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
6047 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
6048 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
6049 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
6050 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
6051 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
6052 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
6053 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
6054 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
6055 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
6056 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
6057 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
6058 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
6059 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
6060 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
6061 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
6062 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
6063 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
6064 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
6065 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
6066 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
6067 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
6068 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
6069 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
6070 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
6071 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
6072 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
6073 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
6074 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
6075 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
6076 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
6077 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
6078 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
6079 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
6080 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
6081 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
6082 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
6083 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
6084 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
6085 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
6086 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
6087 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
6088 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
6089 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
6090 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
6091 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
6092 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
6093 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
6094 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
6095 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
6096 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
6097 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
6098 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
6099 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
6100 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
6101 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
6102 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
6103 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
6104 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
6105 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
6106 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
6107 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
6108 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
6109 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
6110 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
6111 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
6112 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
6113 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
6114 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
6115 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
6116 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
6117 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
6118 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
6119 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
6120 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
6121 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
6122 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
6123 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
6124 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
6125 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
6126 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
6127 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
6128 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
6129 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
6130 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
6131 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
6132 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
6133 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
6134 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
6135 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
6136 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
6137 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
6138 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
6139 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
6140 0x00000000, 0x00000000, 0x00000000,
6141};
6142
50da859d 6143static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
1da177e4
LT		 6144 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
6145 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
6146 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
6147 0x00000000, 0x00000000, 0x00000000,
6148};
6149
50da859d 6150static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
1da177e4
LT		 6151 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
6152 0x00000000, 0x00000000, 0x00000000,
6153};
6154
6155/* tp->lock is held. */
6156static int tg3_load_tso_firmware(struct tg3 *tp)
6157{
6158 struct fw_info info;
6159 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6160 int err, i;
6161
6162 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6163 return 0;
6164
6165 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6166 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
6167 info.text_len = TG3_TSO5_FW_TEXT_LEN;
6168 info.text_data = &tg3Tso5FwText[0];
6169 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
6170 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
6171 info.rodata_data = &tg3Tso5FwRodata[0];
6172 info.data_base = TG3_TSO5_FW_DATA_ADDR;
6173 info.data_len = TG3_TSO5_FW_DATA_LEN;
6174 info.data_data = &tg3Tso5FwData[0];
6175 cpu_base = RX_CPU_BASE;
6176 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6177 cpu_scratch_size = (info.text_len +
6178 info.rodata_len +
6179 info.data_len +
6180 TG3_TSO5_FW_SBSS_LEN +
6181 TG3_TSO5_FW_BSS_LEN);
6182 } else {
6183 info.text_base = TG3_TSO_FW_TEXT_ADDR;
6184 info.text_len = TG3_TSO_FW_TEXT_LEN;
6185 info.text_data = &tg3TsoFwText[0];
6186 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
6187 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
6188 info.rodata_data = &tg3TsoFwRodata[0];
6189 info.data_base = TG3_TSO_FW_DATA_ADDR;
6190 info.data_len = TG3_TSO_FW_DATA_LEN;
6191 info.data_data = &tg3TsoFwData[0];
6192 cpu_base = TX_CPU_BASE;
6193 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6194 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6195 }
6196
6197 err = tg3_load_firmware_cpu(tp, cpu_base,
6198 cpu_scratch_base, cpu_scratch_size,
6199 &info);
6200 if (err)
6201 return err;
6202
6203 /* Now startup the cpu. */
6204 tw32(cpu_base + CPU_STATE, 0xffffffff);
6205 tw32_f(cpu_base + CPU_PC, info.text_base);
6206
6207 for (i = 0; i < 5; i++) {
6208 if (tr32(cpu_base + CPU_PC) == info.text_base)
6209 break;
6210 tw32(cpu_base + CPU_STATE, 0xffffffff);
6211 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
6212 tw32_f(cpu_base + CPU_PC, info.text_base);
6213 udelay(1000);
6214 }
6215 if (i >= 5) {
6216 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6217 "to set CPU PC, is %08x should be %08x\n",
6218 tp->dev->name, tr32(cpu_base + CPU_PC),
6219 info.text_base);
6220 return -ENODEV;
6221 }
6222 tw32(cpu_base + CPU_STATE, 0xffffffff);
6223 tw32_f(cpu_base + CPU_MODE, 0x00000000);
6224 return 0;
6225}
6226
1da177e4
LT		 6227
6228/* tp->lock is held. */
986e0aeb 6229static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
1da177e4
LT		 6230{
6231 u32 addr_high, addr_low;
6232 int i;
6233
6234 addr_high = ((tp->dev->dev_addr[0] << 8) |
6235 tp->dev->dev_addr[1]);
6236 addr_low = ((tp->dev->dev_addr[2] << 24) |
6237 (tp->dev->dev_addr[3] << 16) |
6238 (tp->dev->dev_addr[4] << 8) |
6239 (tp->dev->dev_addr[5] << 0));
6240 for (i = 0; i < 4; i++) {
986e0aeb
MC		 6241 if (i == 1 && skip_mac_1)
6242 continue;
1da177e4
LT		 6243 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
6244 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
6245 }
6246
6247 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
6248 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6249 for (i = 0; i < 12; i++) {
6250 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
6251 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
6252 }
6253 }
6254
6255 addr_high = (tp->dev->dev_addr[0] +
6256 tp->dev->dev_addr[1] +
6257 tp->dev->dev_addr[2] +
6258 tp->dev->dev_addr[3] +
6259 tp->dev->dev_addr[4] +
6260 tp->dev->dev_addr[5]) &
6261 TX_BACKOFF_SEED_MASK;
6262 tw32(MAC_TX_BACKOFF_SEED, addr_high);
6263}
6264
6265static int tg3_set_mac_addr(struct net_device *dev, void *p)
6266{
6267 struct tg3 *tp = netdev_priv(dev);
6268 struct sockaddr *addr = p;
986e0aeb 6269 int err = 0, skip_mac_1 = 0;
1da177e4 6270
f9804ddb
MC		 6271 if (!is_valid_ether_addr(addr->sa_data))
6272 return -EINVAL;
6273
1da177e4
LT		 6274 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6275
e75f7c90
MC		 6276 if (!netif_running(dev))
6277 return 0;
6278
58712ef9 6279 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
986e0aeb 6280 u32 addr0_high, addr0_low, addr1_high, addr1_low;
58712ef9 6281
986e0aeb
MC		 6282 addr0_high = tr32(MAC_ADDR_0_HIGH);
6283 addr0_low = tr32(MAC_ADDR_0_LOW);
6284 addr1_high = tr32(MAC_ADDR_1_HIGH);
6285 addr1_low = tr32(MAC_ADDR_1_LOW);
6286
6287 /* Skip MAC addr 1 if ASF is using it. */
6288 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6289 !(addr1_high == 0 && addr1_low == 0))
6290 skip_mac_1 = 1;
58712ef9 6291 }
986e0aeb
MC		 6292 spin_lock_bh(&tp->lock);
6293 __tg3_set_mac_addr(tp, skip_mac_1);
6294 spin_unlock_bh(&tp->lock);
1da177e4 6295
b9ec6c1b 6296 return err;
1da177e4
LT		 6297}
6298
6299/* tp->lock is held. */
6300static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6301 dma_addr_t mapping, u32 maxlen_flags,
6302 u32 nic_addr)
6303{
6304 tg3_write_mem(tp,
6305 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6306 ((u64) mapping >> 32));
6307 tg3_write_mem(tp,
6308 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6309 ((u64) mapping & 0xffffffff));
6310 tg3_write_mem(tp,
6311 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6312 maxlen_flags);
6313
6314 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6315 tg3_write_mem(tp,
6316 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6317 nic_addr);
6318}
6319
6320static void __tg3_set_rx_mode(struct net_device *);
d244c892 6321static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d
DM		 6322{
6323 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6324 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6325 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6326 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6327 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6328 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6329 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6330 }
6331 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6332 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6333 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6334 u32 val = ec->stats_block_coalesce_usecs;
6335
6336 if (!netif_carrier_ok(tp->dev))
6337 val = 0;
6338
6339 tw32(HOSTCC_STAT_COAL_TICKS, val);
6340 }
6341}
1da177e4
LT		 6342
6343/* tp->lock is held. */
8e7a22e3 6344static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6345{
6346 u32 val, rdmac_mode;
6347 int i, err, limit;
6348
6349 tg3_disable_ints(tp);
6350
6351 tg3_stop_fw(tp);
6352
6353 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6354
6355 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 6356 tg3_abort_hw(tp, 1);
1da177e4
LT		 6357 }
6358
36da4d86 6359 if (reset_phy)
d4d2c558
MC		 6360 tg3_phy_reset(tp);
6361
1da177e4
LT		 6362 err = tg3_chip_reset(tp);
6363 if (err)
6364 return err;
6365
6366 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6367
d30cdd28
MC		 6368 if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0) {
6369 val = tr32(TG3_CPMU_CTRL);
6370 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6371 tw32(TG3_CPMU_CTRL, val);
9acb961e
MC		 6372
6373 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
6374 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
6375 val |= CPMU_LSPD_10MB_MACCLK_6_25;
6376 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
6377
6378 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
6379 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
6380 val |= CPMU_LNK_AWARE_MACCLK_6_25;
6381 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
6382
6383 val = tr32(TG3_CPMU_HST_ACC);
6384 val &= ~CPMU_HST_ACC_MACCLK_MASK;
6385 val |= CPMU_HST_ACC_MACCLK_6_25;
6386 tw32(TG3_CPMU_HST_ACC, val);
d30cdd28
MC		 6387 }
6388
1da177e4
LT		 6389 /* This works around an issue with Athlon chipsets on
6390 * B3 tigon3 silicon. This bit has no effect on any
6391 * other revision. But do not set this on PCI Express
795d01c5 6392 * chips and don't even touch the clocks if the CPMU is present.
1da177e4 6393 */
795d01c5
MC		 6394 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6395 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6396 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6397 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6398 }
1da177e4
LT		 6399
6400 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6401 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6402 val = tr32(TG3PCI_PCISTATE);
6403 val |= PCISTATE_RETRY_SAME_DMA;
6404 tw32(TG3PCI_PCISTATE, val);
6405 }
6406
0d3031d9
MC		 6407 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6408 /* Allow reads and writes to the
6409 * APE register and memory space.
6410 */
6411 val = tr32(TG3PCI_PCISTATE);
6412 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6413 PCISTATE_ALLOW_APE_SHMEM_WR;
6414 tw32(TG3PCI_PCISTATE, val);
6415 }
6416
1da177e4
LT		 6417 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6418 /* Enable some hw fixes. */
6419 val = tr32(TG3PCI_MSI_DATA);
6420 val |= (1 << 26) | (1 << 28) | (1 << 29);
6421 tw32(TG3PCI_MSI_DATA, val);
6422 }
6423
6424 /* Descriptor ring init may make accesses to the
6425 * NIC SRAM area to setup the TX descriptors, so we
6426 * can only do this after the hardware has been
6427 * successfully reset.
6428 */
32d8c572
MC		 6429 err = tg3_init_rings(tp);
6430 if (err)
6431 return err;
1da177e4 6432
9936bcf6
MC		 6433 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
6434 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
d30cdd28
MC		 6435 /* This value is determined during the probe time DMA
6436 * engine test, tg3_test_dma.
6437 */
6438 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6439 }
1da177e4
LT		 6440
6441 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6442 GRC_MODE_4X_NIC_SEND_RINGS |
6443 GRC_MODE_NO_TX_PHDR_CSUM |
6444 GRC_MODE_NO_RX_PHDR_CSUM);
6445 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 6446
6447 /* Pseudo-header checksum is done by hardware logic and not
6448 * the offload processers, so make the chip do the pseudo-
6449 * header checksums on receive. For transmit it is more
6450 * convenient to do the pseudo-header checksum in software
6451 * as Linux does that on transmit for us in all cases.
6452 */
6453 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 6454
6455 tw32(GRC_MODE,
6456 tp->grc_mode |
6457 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6458
6459 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6460 val = tr32(GRC_MISC_CFG);
6461 val &= ~0xff;
6462 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6463 tw32(GRC_MISC_CFG, val);
6464
6465 /* Initialize MBUF/DESC pool. */
cbf46853 6466 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 6467 /* Do nothing. */
6468 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6469 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6470 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6471 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6472 else
6473 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6474 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6475 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6476 }
1da177e4
LT		 6477 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6478 int fw_len;
6479
6480 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6481 TG3_TSO5_FW_RODATA_LEN +
6482 TG3_TSO5_FW_DATA_LEN +
6483 TG3_TSO5_FW_SBSS_LEN +
6484 TG3_TSO5_FW_BSS_LEN);
6485 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6486 tw32(BUFMGR_MB_POOL_ADDR,
6487 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6488 tw32(BUFMGR_MB_POOL_SIZE,
6489 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6490 }
1da177e4 6491
0f893dc6 6492 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 6493 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6494 tp->bufmgr_config.mbuf_read_dma_low_water);
6495 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6496 tp->bufmgr_config.mbuf_mac_rx_low_water);
6497 tw32(BUFMGR_MB_HIGH_WATER,
6498 tp->bufmgr_config.mbuf_high_water);
6499 } else {
6500 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6501 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6502 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6503 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6504 tw32(BUFMGR_MB_HIGH_WATER,
6505 tp->bufmgr_config.mbuf_high_water_jumbo);
6506 }
6507 tw32(BUFMGR_DMA_LOW_WATER,
6508 tp->bufmgr_config.dma_low_water);
6509 tw32(BUFMGR_DMA_HIGH_WATER,
6510 tp->bufmgr_config.dma_high_water);
6511
6512 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6513 for (i = 0; i < 2000; i++) {
6514 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6515 break;
6516 udelay(10);
6517 }
6518 if (i >= 2000) {
6519 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6520 tp->dev->name);
6521 return -ENODEV;
6522 }
6523
6524 /* Setup replenish threshold. */
f92905de
MC		 6525 val = tp->rx_pending / 8;
6526 if (val == 0)
6527 val = 1;
6528 else if (val > tp->rx_std_max_post)
6529 val = tp->rx_std_max_post;
b5d3772c
MC		 6530 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6531 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6532 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6533
6534 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6535 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6536 }
f92905de
MC		 6537
6538 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 6539
6540 /* Initialize TG3_BDINFO's at:
6541 * RCVDBDI_STD_BD: standard eth size rx ring
6542 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6543 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6544 *
6545 * like so:
6546 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6547 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6548 * ring attribute flags
6549 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6550 *
6551 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6552 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6553 *
6554 * The size of each ring is fixed in the firmware, but the location is
6555 * configurable.
6556 */
6557 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6558 ((u64) tp->rx_std_mapping >> 32));
6559 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6560 ((u64) tp->rx_std_mapping & 0xffffffff));
6561 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6562 NIC_SRAM_RX_BUFFER_DESC);
6563
6564 /* Don't even try to program the JUMBO/MINI buffer descriptor
6565 * configs on 5705.
6566 */
6567 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6568 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6569 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6570 } else {
6571 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6572 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6573
6574 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6575 BDINFO_FLAGS_DISABLED);
6576
6577 /* Setup replenish threshold. */
6578 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6579
0f893dc6 6580 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 6581 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6582 ((u64) tp->rx_jumbo_mapping >> 32));
6583 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6584 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6585 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6586 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6587 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6588 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6589 } else {
6590 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6591 BDINFO_FLAGS_DISABLED);
6592 }
6593
6594 }
6595
6596 /* There is only one send ring on 5705/5750, no need to explicitly
6597 * disable the others.
6598 */
6599 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6600 /* Clear out send RCB ring in SRAM. */
6601 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6602 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6603 BDINFO_FLAGS_DISABLED);
6604 }
6605
6606 tp->tx_prod = 0;
6607 tp->tx_cons = 0;
6608 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6609 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6610
6611 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6612 tp->tx_desc_mapping,
6613 (TG3_TX_RING_SIZE <<
6614 BDINFO_FLAGS_MAXLEN_SHIFT),
6615 NIC_SRAM_TX_BUFFER_DESC);
6616
6617 /* There is only one receive return ring on 5705/5750, no need
6618 * to explicitly disable the others.
6619 */
6620 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6621 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6622 i += TG3_BDINFO_SIZE) {
6623 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6624 BDINFO_FLAGS_DISABLED);
6625 }
6626 }
6627
6628 tp->rx_rcb_ptr = 0;
6629 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6630
6631 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6632 tp->rx_rcb_mapping,
6633 (TG3_RX_RCB_RING_SIZE(tp) <<
6634 BDINFO_FLAGS_MAXLEN_SHIFT),
6635 0);
6636
6637 tp->rx_std_ptr = tp->rx_pending;
6638 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6639 tp->rx_std_ptr);
6640
0f893dc6 6641 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
1da177e4
LT		 6642 tp->rx_jumbo_pending : 0;
6643 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6644 tp->rx_jumbo_ptr);
6645
6646 /* Initialize MAC address and backoff seed. */
986e0aeb 6647 __tg3_set_mac_addr(tp, 0);
1da177e4
LT		 6648
6649 /* MTU + ethernet header + FCS + optional VLAN tag */
6650 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6651
6652 /* The slot time is changed by tg3_setup_phy if we
6653 * run at gigabit with half duplex.
6654 */
6655 tw32(MAC_TX_LENGTHS,
6656 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6657 (6 << TX_LENGTHS_IPG_SHIFT) |
6658 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6659
6660 /* Receive rules. */
6661 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6662 tw32(RCVLPC_CONFIG, 0x0181);
6663
6664 /* Calculate RDMAC_MODE setting early, we need it to determine
6665 * the RCVLPC_STATE_ENABLE mask.
6666 */
6667 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6668 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6669 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6670 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6671 RDMAC_MODE_LNGREAD_ENAB);
85e94ced 6672
d30cdd28
MC		 6673 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
6674 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
6675 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
6676 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
6677
85e94ced
MC		 6678 /* If statement applies to 5705 and 5750 PCI devices only */
6679 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6680 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6681 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4 6682 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
c13e3713 6683 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1da177e4
LT		 6684 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6685 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6686 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6687 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6688 }
6689 }
6690
85e94ced
MC		 6691 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6692 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6693
1da177e4
LT		 6694 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6695 rdmac_mode |= (1 << 27);
1da177e4
LT		 6696
6697 /* Receive/send statistics. */
1661394e
MC		 6698 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6699 val = tr32(RCVLPC_STATS_ENABLE);
6700 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6701 tw32(RCVLPC_STATS_ENABLE, val);
6702 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6703 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 6704 val = tr32(RCVLPC_STATS_ENABLE);
6705 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6706 tw32(RCVLPC_STATS_ENABLE, val);
6707 } else {
6708 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6709 }
6710 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6711 tw32(SNDDATAI_STATSENAB, 0xffffff);
6712 tw32(SNDDATAI_STATSCTRL,
6713 (SNDDATAI_SCTRL_ENABLE |
6714 SNDDATAI_SCTRL_FASTUPD));
6715
6716 /* Setup host coalescing engine. */
6717 tw32(HOSTCC_MODE, 0);
6718 for (i = 0; i < 2000; i++) {
6719 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6720 break;
6721 udelay(10);
6722 }
6723
d244c892 6724 __tg3_set_coalesce(tp, &tp->coal);
1da177e4
LT		 6725
6726 /* set status block DMA address */
6727 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6728 ((u64) tp->status_mapping >> 32));
6729 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6730 ((u64) tp->status_mapping & 0xffffffff));
6731
6732 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6733 /* Status/statistics block address. See tg3_timer,
6734 * the tg3_periodic_fetch_stats call there, and
6735 * tg3_get_stats to see how this works for 5705/5750 chips.
6736 */
1da177e4
LT		 6737 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6738 ((u64) tp->stats_mapping >> 32));
6739 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6740 ((u64) tp->stats_mapping & 0xffffffff));
6741 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6742 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6743 }
6744
6745 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6746
6747 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6748 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6749 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6750 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6751
6752 /* Clear statistics/status block in chip, and status block in ram. */
6753 for (i = NIC_SRAM_STATS_BLK;
6754 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6755 i += sizeof(u32)) {
6756 tg3_write_mem(tp, i, 0);
6757 udelay(40);
6758 }
6759 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6760
c94e3941
MC		 6761 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6762 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6763 /* reset to prevent losing 1st rx packet intermittently */
6764 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6765 udelay(10);
6766 }
6767
1da177e4
LT		 6768 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6769 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
e8f3f6ca
MC		 6770 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6771 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6772 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
6773 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1da177e4
LT		 6774 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6775 udelay(40);
6776
314fba34 6777 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 6778 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 6779 * register to preserve the GPIO settings for LOMs. The GPIOs,
6780 * whether used as inputs or outputs, are set by boot code after
6781 * reset.
6782 */
9d26e213 6783 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 6784 u32 gpio_mask;
6785
9d26e213
MC		 6786 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6787 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6788 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 6789
6790 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6791 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6792 GRC_LCLCTRL_GPIO_OUTPUT3;
6793
af36e6b6
MC		 6794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6795 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6796
aaf84465 6797 tp->grc_local_ctrl &= ~gpio_mask;
314fba34
MC		 6798 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6799
6800 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 6801 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6802 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6803 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 6804 }
1da177e4
LT		 6805 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6806 udelay(100);
6807
09ee929c 6808 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
fac9b83e 6809 tp->last_tag = 0;
1da177e4
LT		 6810
6811 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6812 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6813 udelay(40);
6814 }
6815
6816 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6817 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6818 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6819 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6820 WDMAC_MODE_LNGREAD_ENAB);
6821
85e94ced
MC		 6822 /* If statement applies to 5705 and 5750 PCI devices only */
6823 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6824 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6825 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
1da177e4
LT		 6826 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6827 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6828 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6829 /* nothing */
6830 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6831 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6832 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6833 val |= WDMAC_MODE_RX_ACCEL;
6834 }
6835 }
6836
d9ab5ad1 6837 /* Enable host coalescing bug fix */
af36e6b6 6838 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
d30cdd28 6839 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) ||
9936bcf6
MC		 6840 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784) ||
6841 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761))
d9ab5ad1
MC		 6842 val |= (1 << 29);
6843
1da177e4
LT		 6844 tw32_f(WDMAC_MODE, val);
6845 udelay(40);
6846
9974a356
MC		 6847 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6848 u16 pcix_cmd;
6849
6850 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6851 &pcix_cmd);
1da177e4 6852 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
9974a356
MC		 6853 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
6854 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 6855 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
9974a356
MC		 6856 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
6857 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 6858 }
9974a356
MC		 6859 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6860 pcix_cmd);
1da177e4
LT		 6861 }
6862
6863 tw32_f(RDMAC_MODE, rdmac_mode);
6864 udelay(40);
6865
6866 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6867 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6868 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
9936bcf6
MC		 6869
6870 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
6871 tw32(SNDDATAC_MODE,
6872 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
6873 else
6874 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6875
1da177e4
LT		 6876 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6877 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6878 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6879 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 6880 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6881 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
1da177e4
LT		 6882 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6883 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6884
6885 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6886 err = tg3_load_5701_a0_firmware_fix(tp);
6887 if (err)
6888 return err;
6889 }
6890
1da177e4
LT		 6891 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6892 err = tg3_load_tso_firmware(tp);
6893 if (err)
6894 return err;
6895 }
1da177e4
LT		 6896
6897 tp->tx_mode = TX_MODE_ENABLE;
6898 tw32_f(MAC_TX_MODE, tp->tx_mode);
6899 udelay(100);
6900
6901 tp->rx_mode = RX_MODE_ENABLE;
9936bcf6
MC		 6902 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
6903 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
af36e6b6
MC		 6904 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6905
1da177e4
LT		 6906 tw32_f(MAC_RX_MODE, tp->rx_mode);
6907 udelay(10);
6908
6909 if (tp->link_config.phy_is_low_power) {
6910 tp->link_config.phy_is_low_power = 0;
6911 tp->link_config.speed = tp->link_config.orig_speed;
6912 tp->link_config.duplex = tp->link_config.orig_duplex;
6913 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6914 }
6915
6916 tp->mi_mode = MAC_MI_MODE_BASE;
6917 tw32_f(MAC_MI_MODE, tp->mi_mode);
6918 udelay(80);
6919
6920 tw32(MAC_LED_CTRL, tp->led_ctrl);
6921
6922 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 6923 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 6924 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6925 udelay(10);
6926 }
6927 tw32_f(MAC_RX_MODE, tp->rx_mode);
6928 udelay(10);
6929
6930 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6931 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6932 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6933 /* Set drive transmission level to 1.2V */
6934 /* only if the signal pre-emphasis bit is not set */
6935 val = tr32(MAC_SERDES_CFG);
6936 val &= 0xfffff000;
6937 val |= 0x880;
6938 tw32(MAC_SERDES_CFG, val);
6939 }
6940 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6941 tw32(MAC_SERDES_CFG, 0x616000);
6942 }
6943
6944 /* Prevent chip from dropping frames when flow control
6945 * is enabled.
6946 */
6947 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6948
6949 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6950 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6951 /* Use hardware link auto-negotiation */
6952 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6953 }
6954
d4d2c558
MC		 6955 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6956 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6957 u32 tmp;
6958
6959 tmp = tr32(SERDES_RX_CTRL);
6960 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6961 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6962 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6963 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6964 }
6965
36da4d86 6966 err = tg3_setup_phy(tp, 0);
1da177e4
LT		 6967 if (err)
6968 return err;
6969
715116a1
MC		 6970 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6971 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1da177e4
LT		 6972 u32 tmp;
6973
6974 /* Clear CRC stats. */
569a5df8
MC		 6975 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6976 tg3_writephy(tp, MII_TG3_TEST1,
6977 tmp | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 6978 tg3_readphy(tp, 0x14, &tmp);
6979 }
6980 }
6981
6982 __tg3_set_rx_mode(tp->dev);
6983
6984 /* Initialize receive rules. */
6985 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6986 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6987 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6988 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6989
4cf78e4f 6990 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 6991 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 6992 limit = 8;
6993 else
6994 limit = 16;
6995 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6996 limit -= 4;
6997 switch (limit) {
6998 case 16:
6999 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
7000 case 15:
7001 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
7002 case 14:
7003 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
7004 case 13:
7005 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
7006 case 12:
7007 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
7008 case 11:
7009 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
7010 case 10:
7011 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
7012 case 9:
7013 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
7014 case 8:
7015 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
7016 case 7:
7017 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
7018 case 6:
7019 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
7020 case 5:
7021 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
7022 case 4:
7023 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
7024 case 3:
7025 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
7026 case 2:
7027 case 1:
7028
7029 default:
7030 break;
7031 };
7032
9ce768ea
MC		 7033 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7034 /* Write our heartbeat update interval to APE. */
7035 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7036 APE_HOST_HEARTBEAT_INT_DISABLE);
0d3031d9 7037
1da177e4
LT		 7038 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7039
1da177e4
LT		 7040 return 0;
7041}
7042
7043/* Called at device open time to get the chip ready for
7044 * packet processing. Invoked with tp->lock held.
7045 */
8e7a22e3 7046static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 7047{
7048 int err;
7049
7050 /* Force the chip into D0. */
bc1c7567 7051 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 7052 if (err)
7053 goto out;
7054
7055 tg3_switch_clocks(tp);
7056
7057 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7058
8e7a22e3 7059 err = tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 7060
7061out:
7062 return err;
7063}
7064
7065#define TG3_STAT_ADD32(PSTAT, REG) \
7066do { u32 __val = tr32(REG); \
7067 (PSTAT)->low += __val; \
7068 if ((PSTAT)->low < __val) \
7069 (PSTAT)->high += 1; \
7070} while (0)
7071
7072static void tg3_periodic_fetch_stats(struct tg3 *tp)
7073{
7074 struct tg3_hw_stats *sp = tp->hw_stats;
7075
7076 if (!netif_carrier_ok(tp->dev))
7077 return;
7078
7079 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7080 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7081 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7082 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7083 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7084 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7085 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7086 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7087 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7088 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7089 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7090 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7091 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7092
7093 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7094 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7095 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7096 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7097 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7098 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7099 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7100 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7101 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7102 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7103 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7104 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7105 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7106 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 7107
7108 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7109 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7110 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 7111}
7112
7113static void tg3_timer(unsigned long __opaque)
7114{
7115 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 7116
f475f163
MC		 7117 if (tp->irq_sync)
7118 goto restart_timer;
7119
f47c11ee 7120 spin_lock(&tp->lock);
1da177e4 7121
fac9b83e
DM		 7122 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7123 /* All of this garbage is because when using non-tagged
7124 * IRQ status the mailbox/status_block protocol the chip
7125 * uses with the cpu is race prone.
7126 */
7127 if (tp->hw_status->status & SD_STATUS_UPDATED) {
7128 tw32(GRC_LOCAL_CTRL,
7129 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7130 } else {
7131 tw32(HOSTCC_MODE, tp->coalesce_mode |
7132 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
7133 }
1da177e4 7134
fac9b83e
DM		 7135 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7136 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 7137 spin_unlock(&tp->lock);
fac9b83e
DM		 7138 schedule_work(&tp->reset_task);
7139 return;
7140 }
1da177e4
LT		 7141 }
7142
1da177e4
LT		 7143 /* This part only runs once per second. */
7144 if (!--tp->timer_counter) {
fac9b83e
DM		 7145 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7146 tg3_periodic_fetch_stats(tp);
7147
1da177e4
LT		 7148 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7149 u32 mac_stat;
7150 int phy_event;
7151
7152 mac_stat = tr32(MAC_STATUS);
7153
7154 phy_event = 0;
7155 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7156 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7157 phy_event = 1;
7158 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7159 phy_event = 1;
7160
7161 if (phy_event)
7162 tg3_setup_phy(tp, 0);
7163 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7164 u32 mac_stat = tr32(MAC_STATUS);
7165 int need_setup = 0;
7166
7167 if (netif_carrier_ok(tp->dev) &&
7168 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7169 need_setup = 1;
7170 }
7171 if (! netif_carrier_ok(tp->dev) &&
7172 (mac_stat & (MAC_STATUS_PCS_SYNCED |
7173 MAC_STATUS_SIGNAL_DET))) {
7174 need_setup = 1;
7175 }
7176 if (need_setup) {
3d3ebe74
MC		 7177 if (!tp->serdes_counter) {
7178 tw32_f(MAC_MODE,
7179 (tp->mac_mode &
7180 ~MAC_MODE_PORT_MODE_MASK));
7181 udelay(40);
7182 tw32_f(MAC_MODE, tp->mac_mode);
7183 udelay(40);
7184 }
1da177e4
LT		 7185 tg3_setup_phy(tp, 0);
7186 }
747e8f8b
MC		 7187 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7188 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 7189
7190 tp->timer_counter = tp->timer_multiplier;
7191 }
7192
130b8e4d
MC		 7193 /* Heartbeat is only sent once every 2 seconds.
7194 *
7195 * The heartbeat is to tell the ASF firmware that the host
7196 * driver is still alive. In the event that the OS crashes,
7197 * ASF needs to reset the hardware to free up the FIFO space
7198 * that may be filled with rx packets destined for the host.
7199 * If the FIFO is full, ASF will no longer function properly.
7200 *
7201 * Unintended resets have been reported on real time kernels
7202 * where the timer doesn't run on time. Netpoll will also have
7203 * same problem.
7204 *
7205 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7206 * to check the ring condition when the heartbeat is expiring
7207 * before doing the reset. This will prevent most unintended
7208 * resets.
7209 */
1da177e4
LT		 7210 if (!--tp->asf_counter) {
7211 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7212 u32 val;
7213
bbadf503 7214 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 7215 FWCMD_NICDRV_ALIVE3);
bbadf503 7216 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 7217 /* 5 seconds timeout */
bbadf503 7218 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
1da177e4
LT		 7219 val = tr32(GRC_RX_CPU_EVENT);
7220 val |= (1 << 14);
7221 tw32(GRC_RX_CPU_EVENT, val);
7222 }
7223 tp->asf_counter = tp->asf_multiplier;
7224 }
7225
f47c11ee 7226 spin_unlock(&tp->lock);
1da177e4 7227
f475f163 7228restart_timer:
1da177e4
LT		 7229 tp->timer.expires = jiffies + tp->timer_offset;
7230 add_timer(&tp->timer);
7231}
7232
81789ef5 7233static int tg3_request_irq(struct tg3 *tp)
fcfa0a32 7234{
7d12e780 7235 irq_handler_t fn;
fcfa0a32
MC		 7236 unsigned long flags;
7237 struct net_device *dev = tp->dev;
7238
7239 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7240 fn = tg3_msi;
7241 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7242 fn = tg3_msi_1shot;
1fb9df5d 7243 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 7244 } else {
7245 fn = tg3_interrupt;
7246 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7247 fn = tg3_interrupt_tagged;
1fb9df5d 7248 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 7249 }
7250 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
7251}
7252
7938109f
MC		 7253static int tg3_test_interrupt(struct tg3 *tp)
7254{
7255 struct net_device *dev = tp->dev;
b16250e3 7256 int err, i, intr_ok = 0;
7938109f 7257
d4bc3927
MC		 7258 if (!netif_running(dev))
7259 return -ENODEV;
7260
7938109f
MC		 7261 tg3_disable_ints(tp);
7262
7263 free_irq(tp->pdev->irq, dev);
7264
7265 err = request_irq(tp->pdev->irq, tg3_test_isr,
1fb9df5d 7266 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7938109f
MC		 7267 if (err)
7268 return err;
7269
38f3843e 7270 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 7271 tg3_enable_ints(tp);
7272
7273 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7274 HOSTCC_MODE_NOW);
7275
7276 for (i = 0; i < 5; i++) {
b16250e3
MC		 7277 u32 int_mbox, misc_host_ctrl;
7278
09ee929c
MC		 7279 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
7280 TG3_64BIT_REG_LOW);
b16250e3
MC		 7281 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7282
7283 if ((int_mbox != 0) ||
7284 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7285 intr_ok = 1;
7938109f 7286 break;
b16250e3
MC		 7287 }
7288
7938109f
MC		 7289 msleep(10);
7290 }
7291
7292 tg3_disable_ints(tp);
7293
7294 free_irq(tp->pdev->irq, dev);
6aa20a22 7295
fcfa0a32 7296 err = tg3_request_irq(tp);
7938109f
MC		 7297
7298 if (err)
7299 return err;
7300
b16250e3 7301 if (intr_ok)
7938109f
MC		 7302 return 0;
7303
7304 return -EIO;
7305}
7306
7307/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7308 * successfully restored
7309 */
7310static int tg3_test_msi(struct tg3 *tp)
7311{
7312 struct net_device *dev = tp->dev;
7313 int err;
7314 u16 pci_cmd;
7315
7316 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7317 return 0;
7318
7319 /* Turn off SERR reporting in case MSI terminates with Master
7320 * Abort.
7321 */
7322 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7323 pci_write_config_word(tp->pdev, PCI_COMMAND,
7324 pci_cmd & ~PCI_COMMAND_SERR);
7325
7326 err = tg3_test_interrupt(tp);
7327
7328 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7329
7330 if (!err)
7331 return 0;
7332
7333 /* other failures */
7334 if (err != -EIO)
7335 return err;
7336
7337 /* MSI test failed, go back to INTx mode */
7338 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7339 "switching to INTx mode. Please report this failure to "
7340 "the PCI maintainer and include system chipset information.\n",
7341 tp->dev->name);
7342
7343 free_irq(tp->pdev->irq, dev);
7344 pci_disable_msi(tp->pdev);
7345
7346 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7347
fcfa0a32 7348 err = tg3_request_irq(tp);
7938109f
MC		 7349 if (err)
7350 return err;
7351
7352 /* Need to reset the chip because the MSI cycle may have terminated
7353 * with Master Abort.
7354 */
f47c11ee 7355 tg3_full_lock(tp, 1);
7938109f 7356
944d980e 7357 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 7358 err = tg3_init_hw(tp, 1);
7938109f 7359
f47c11ee 7360 tg3_full_unlock(tp);
7938109f
MC		 7361
7362 if (err)
7363 free_irq(tp->pdev->irq, dev);
7364
7365 return err;
7366}
7367
1da177e4
LT		 7368static int tg3_open(struct net_device *dev)
7369{
7370 struct tg3 *tp = netdev_priv(dev);
7371 int err;
7372
c49a1561
MC		 7373 netif_carrier_off(tp->dev);
7374
f47c11ee 7375 tg3_full_lock(tp, 0);
1da177e4 7376
bc1c7567 7377 err = tg3_set_power_state(tp, PCI_D0);
12862086
IS		 7378 if (err) {
7379 tg3_full_unlock(tp);
bc1c7567 7380 return err;
12862086 7381 }
bc1c7567 7382
1da177e4
LT		 7383 tg3_disable_ints(tp);
7384 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7385
f47c11ee 7386 tg3_full_unlock(tp);
1da177e4
LT		 7387
7388 /* The placement of this call is tied
7389 * to the setup and use of Host TX descriptors.
7390 */
7391 err = tg3_alloc_consistent(tp);
7392 if (err)
7393 return err;
7394
7544b097 7395 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
fac9b83e
DM		 7396 /* All MSI supporting chips should support tagged
7397 * status. Assert that this is the case.
7398 */
7399 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7400 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7401 "Not using MSI.\n", tp->dev->name);
7402 } else if (pci_enable_msi(tp->pdev) == 0) {
88b06bc2
MC		 7403 u32 msi_mode;
7404
7405 msi_mode = tr32(MSGINT_MODE);
7406 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7407 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7408 }
7409 }
fcfa0a32 7410 err = tg3_request_irq(tp);
1da177e4
LT		 7411
7412 if (err) {
88b06bc2
MC		 7413 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7414 pci_disable_msi(tp->pdev);
7415 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7416 }
1da177e4
LT		 7417 tg3_free_consistent(tp);
7418 return err;
7419 }
7420
bea3348e
SH		 7421 napi_enable(&tp->napi);
7422
f47c11ee 7423 tg3_full_lock(tp, 0);
1da177e4 7424
8e7a22e3 7425 err = tg3_init_hw(tp, 1);
1da177e4 7426 if (err) {
944d980e 7427 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7428 tg3_free_rings(tp);
7429 } else {
fac9b83e
DM		 7430 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7431 tp->timer_offset = HZ;
7432 else
7433 tp->timer_offset = HZ / 10;
7434
7435 BUG_ON(tp->timer_offset > HZ);
7436 tp->timer_counter = tp->timer_multiplier =
7437 (HZ / tp->timer_offset);
7438 tp->asf_counter = tp->asf_multiplier =
28fbef78 7439 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 7440
7441 init_timer(&tp->timer);
7442 tp->timer.expires = jiffies + tp->timer_offset;
7443 tp->timer.data = (unsigned long) tp;
7444 tp->timer.function = tg3_timer;
1da177e4
LT		 7445 }
7446
f47c11ee 7447 tg3_full_unlock(tp);
1da177e4
LT		 7448
7449 if (err) {
bea3348e 7450 napi_disable(&tp->napi);
88b06bc2
MC		 7451 free_irq(tp->pdev->irq, dev);
7452 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7453 pci_disable_msi(tp->pdev);
7454 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7455 }
1da177e4
LT		 7456 tg3_free_consistent(tp);
7457 return err;
7458 }
7459
7938109f
MC		 7460 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7461 err = tg3_test_msi(tp);
fac9b83e 7462
7938109f 7463 if (err) {
f47c11ee 7464 tg3_full_lock(tp, 0);
7938109f
MC		 7465
7466 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7467 pci_disable_msi(tp->pdev);
7468 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7469 }
944d980e 7470 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 7471 tg3_free_rings(tp);
7472 tg3_free_consistent(tp);
7473
f47c11ee 7474 tg3_full_unlock(tp);
7938109f 7475
bea3348e
SH		 7476 napi_disable(&tp->napi);
7477
7938109f
MC		 7478 return err;
7479 }
fcfa0a32
MC		 7480
7481 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7482 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
b5d3772c 7483 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 7484
b5d3772c
MC		 7485 tw32(PCIE_TRANSACTION_CFG,
7486 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32
MC		 7487 }
7488 }
7938109f
MC		 7489 }
7490
f47c11ee 7491 tg3_full_lock(tp, 0);
1da177e4 7492
7938109f
MC		 7493 add_timer(&tp->timer);
7494 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 7495 tg3_enable_ints(tp);
7496
f47c11ee 7497 tg3_full_unlock(tp);
1da177e4
LT		 7498
7499 netif_start_queue(dev);
7500
7501 return 0;
7502}
7503
7504#if 0
7505/*static*/ void tg3_dump_state(struct tg3 *tp)
7506{
7507 u32 val32, val32_2, val32_3, val32_4, val32_5;
7508 u16 val16;
7509 int i;
7510
7511 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7512 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7513 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7514 val16, val32);
7515
7516 /* MAC block */
7517 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7518 tr32(MAC_MODE), tr32(MAC_STATUS));
7519 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7520 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7521 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7522 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7523 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7524 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7525
7526 /* Send data initiator control block */
7527 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7528 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7529 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7530 tr32(SNDDATAI_STATSCTRL));
7531
7532 /* Send data completion control block */
7533 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7534
7535 /* Send BD ring selector block */
7536 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7537 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7538
7539 /* Send BD initiator control block */
7540 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7541 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7542
7543 /* Send BD completion control block */
7544 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7545
7546 /* Receive list placement control block */
7547 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7548 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7549 printk(" RCVLPC_STATSCTRL[%08x]\n",
7550 tr32(RCVLPC_STATSCTRL));
7551
7552 /* Receive data and receive BD initiator control block */
7553 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7554 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7555
7556 /* Receive data completion control block */
7557 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7558 tr32(RCVDCC_MODE));
7559
7560 /* Receive BD initiator control block */
7561 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7562 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7563
7564 /* Receive BD completion control block */
7565 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7566 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7567
7568 /* Receive list selector control block */
7569 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7570 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7571
7572 /* Mbuf cluster free block */
7573 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7574 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7575
7576 /* Host coalescing control block */
7577 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7578 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7579 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7580 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7581 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7582 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7583 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7584 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7585 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7586 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7587 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7588 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7589
7590 /* Memory arbiter control block */
7591 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7592 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7593
7594 /* Buffer manager control block */
7595 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7596 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7597 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7598 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7599 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7600 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7601 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7602 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7603
7604 /* Read DMA control block */
7605 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7606 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7607
7608 /* Write DMA control block */
7609 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7610 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7611
7612 /* DMA completion block */
7613 printk("DEBUG: DMAC_MODE[%08x]\n",
7614 tr32(DMAC_MODE));
7615
7616 /* GRC block */
7617 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7618 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7619 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7620 tr32(GRC_LOCAL_CTRL));
7621
7622 /* TG3_BDINFOs */
7623 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7624 tr32(RCVDBDI_JUMBO_BD + 0x0),
7625 tr32(RCVDBDI_JUMBO_BD + 0x4),
7626 tr32(RCVDBDI_JUMBO_BD + 0x8),
7627 tr32(RCVDBDI_JUMBO_BD + 0xc));
7628 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7629 tr32(RCVDBDI_STD_BD + 0x0),
7630 tr32(RCVDBDI_STD_BD + 0x4),
7631 tr32(RCVDBDI_STD_BD + 0x8),
7632 tr32(RCVDBDI_STD_BD + 0xc));
7633 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7634 tr32(RCVDBDI_MINI_BD + 0x0),
7635 tr32(RCVDBDI_MINI_BD + 0x4),
7636 tr32(RCVDBDI_MINI_BD + 0x8),
7637 tr32(RCVDBDI_MINI_BD + 0xc));
7638
7639 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7640 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7641 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7642 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7643 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7644 val32, val32_2, val32_3, val32_4);
7645
7646 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7647 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7648 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7649 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7650 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7651 val32, val32_2, val32_3, val32_4);
7652
7653 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7654 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7655 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7656 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7657 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7658 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7659 val32, val32_2, val32_3, val32_4, val32_5);
7660
7661 /* SW status block */
7662 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7663 tp->hw_status->status,
7664 tp->hw_status->status_tag,
7665 tp->hw_status->rx_jumbo_consumer,
7666 tp->hw_status->rx_consumer,
7667 tp->hw_status->rx_mini_consumer,
7668 tp->hw_status->idx[0].rx_producer,
7669 tp->hw_status->idx[0].tx_consumer);
7670
7671 /* SW statistics block */
7672 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7673 ((u32 *)tp->hw_stats)[0],
7674 ((u32 *)tp->hw_stats)[1],
7675 ((u32 *)tp->hw_stats)[2],
7676 ((u32 *)tp->hw_stats)[3]);
7677
7678 /* Mailboxes */
7679 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 7680 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7681 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7682 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7683 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 7684
7685 /* NIC side send descriptors. */
7686 for (i = 0; i < 6; i++) {
7687 unsigned long txd;
7688
7689 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7690 + (i * sizeof(struct tg3_tx_buffer_desc));
7691 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7692 i,
7693 readl(txd + 0x0), readl(txd + 0x4),
7694 readl(txd + 0x8), readl(txd + 0xc));
7695 }
7696
7697 /* NIC side RX descriptors. */
7698 for (i = 0; i < 6; i++) {
7699 unsigned long rxd;
7700
7701 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7702 + (i * sizeof(struct tg3_rx_buffer_desc));
7703 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7704 i,
7705 readl(rxd + 0x0), readl(rxd + 0x4),
7706 readl(rxd + 0x8), readl(rxd + 0xc));
7707 rxd += (4 * sizeof(u32));
7708 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7709 i,
7710 readl(rxd + 0x0), readl(rxd + 0x4),
7711 readl(rxd + 0x8), readl(rxd + 0xc));
7712 }
7713
7714 for (i = 0; i < 6; i++) {
7715 unsigned long rxd;
7716
7717 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7718 + (i * sizeof(struct tg3_rx_buffer_desc));
7719 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7720 i,
7721 readl(rxd + 0x0), readl(rxd + 0x4),
7722 readl(rxd + 0x8), readl(rxd + 0xc));
7723 rxd += (4 * sizeof(u32));
7724 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7725 i,
7726 readl(rxd + 0x0), readl(rxd + 0x4),
7727 readl(rxd + 0x8), readl(rxd + 0xc));
7728 }
7729}
7730#endif
7731
7732static struct net_device_stats *tg3_get_stats(struct net_device *);
7733static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7734
7735static int tg3_close(struct net_device *dev)
7736{
7737 struct tg3 *tp = netdev_priv(dev);
7738
bea3348e 7739 napi_disable(&tp->napi);
28e53bdd 7740 cancel_work_sync(&tp->reset_task);
7faa006f 7741
1da177e4
LT		 7742 netif_stop_queue(dev);
7743
7744 del_timer_sync(&tp->timer);
7745
f47c11ee 7746 tg3_full_lock(tp, 1);
1da177e4
LT		 7747#if 0
7748 tg3_dump_state(tp);
7749#endif
7750
7751 tg3_disable_ints(tp);
7752
944d980e 7753 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4 7754 tg3_free_rings(tp);
5cf64b8a 7755 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
1da177e4 7756
f47c11ee 7757 tg3_full_unlock(tp);
1da177e4 7758
88b06bc2
MC		 7759 free_irq(tp->pdev->irq, dev);
7760 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7761 pci_disable_msi(tp->pdev);
7762 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7763 }
1da177e4
LT		 7764
7765 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7766 sizeof(tp->net_stats_prev));
7767 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7768 sizeof(tp->estats_prev));
7769
7770 tg3_free_consistent(tp);
7771
bc1c7567
MC		 7772 tg3_set_power_state(tp, PCI_D3hot);
7773
7774 netif_carrier_off(tp->dev);
7775
1da177e4
LT		 7776 return 0;
7777}
7778
7779static inline unsigned long get_stat64(tg3_stat64_t *val)
7780{
7781 unsigned long ret;
7782
7783#if (BITS_PER_LONG == 32)
7784 ret = val->low;
7785#else
7786 ret = ((u64)val->high << 32) | ((u64)val->low);
7787#endif
7788 return ret;
7789}
7790
7791static unsigned long calc_crc_errors(struct tg3 *tp)
7792{
7793 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7794
7795 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7796 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7797 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 7798 u32 val;
7799
f47c11ee 7800 spin_lock_bh(&tp->lock);
569a5df8
MC		 7801 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7802 tg3_writephy(tp, MII_TG3_TEST1,
7803 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 7804 tg3_readphy(tp, 0x14, &val);
7805 } else
7806 val = 0;
f47c11ee 7807 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7808
7809 tp->phy_crc_errors += val;
7810
7811 return tp->phy_crc_errors;
7812 }
7813
7814 return get_stat64(&hw_stats->rx_fcs_errors);
7815}
7816
7817#define ESTAT_ADD(member) \
7818 estats->member = old_estats->member + \
7819 get_stat64(&hw_stats->member)
7820
7821static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7822{
7823 struct tg3_ethtool_stats *estats = &tp->estats;
7824 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7825 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7826
7827 if (!hw_stats)
7828 return old_estats;
7829
7830 ESTAT_ADD(rx_octets);
7831 ESTAT_ADD(rx_fragments);
7832 ESTAT_ADD(rx_ucast_packets);
7833 ESTAT_ADD(rx_mcast_packets);
7834 ESTAT_ADD(rx_bcast_packets);
7835 ESTAT_ADD(rx_fcs_errors);
7836 ESTAT_ADD(rx_align_errors);
7837 ESTAT_ADD(rx_xon_pause_rcvd);
7838 ESTAT_ADD(rx_xoff_pause_rcvd);
7839 ESTAT_ADD(rx_mac_ctrl_rcvd);
7840 ESTAT_ADD(rx_xoff_entered);
7841 ESTAT_ADD(rx_frame_too_long_errors);
7842 ESTAT_ADD(rx_jabbers);
7843 ESTAT_ADD(rx_undersize_packets);
7844 ESTAT_ADD(rx_in_length_errors);
7845 ESTAT_ADD(rx_out_length_errors);
7846 ESTAT_ADD(rx_64_or_less_octet_packets);
7847 ESTAT_ADD(rx_65_to_127_octet_packets);
7848 ESTAT_ADD(rx_128_to_255_octet_packets);
7849 ESTAT_ADD(rx_256_to_511_octet_packets);
7850 ESTAT_ADD(rx_512_to_1023_octet_packets);
7851 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7852 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7853 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7854 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7855 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7856
7857 ESTAT_ADD(tx_octets);
7858 ESTAT_ADD(tx_collisions);
7859 ESTAT_ADD(tx_xon_sent);
7860 ESTAT_ADD(tx_xoff_sent);
7861 ESTAT_ADD(tx_flow_control);
7862 ESTAT_ADD(tx_mac_errors);
7863 ESTAT_ADD(tx_single_collisions);
7864 ESTAT_ADD(tx_mult_collisions);
7865 ESTAT_ADD(tx_deferred);
7866 ESTAT_ADD(tx_excessive_collisions);
7867 ESTAT_ADD(tx_late_collisions);
7868 ESTAT_ADD(tx_collide_2times);
7869 ESTAT_ADD(tx_collide_3times);
7870 ESTAT_ADD(tx_collide_4times);
7871 ESTAT_ADD(tx_collide_5times);
7872 ESTAT_ADD(tx_collide_6times);
7873 ESTAT_ADD(tx_collide_7times);
7874 ESTAT_ADD(tx_collide_8times);
7875 ESTAT_ADD(tx_collide_9times);
7876 ESTAT_ADD(tx_collide_10times);
7877 ESTAT_ADD(tx_collide_11times);
7878 ESTAT_ADD(tx_collide_12times);
7879 ESTAT_ADD(tx_collide_13times);
7880 ESTAT_ADD(tx_collide_14times);
7881 ESTAT_ADD(tx_collide_15times);
7882 ESTAT_ADD(tx_ucast_packets);
7883 ESTAT_ADD(tx_mcast_packets);
7884 ESTAT_ADD(tx_bcast_packets);
7885 ESTAT_ADD(tx_carrier_sense_errors);
7886 ESTAT_ADD(tx_discards);
7887 ESTAT_ADD(tx_errors);
7888
7889 ESTAT_ADD(dma_writeq_full);
7890 ESTAT_ADD(dma_write_prioq_full);
7891 ESTAT_ADD(rxbds_empty);
7892 ESTAT_ADD(rx_discards);
7893 ESTAT_ADD(rx_errors);
7894 ESTAT_ADD(rx_threshold_hit);
7895
7896 ESTAT_ADD(dma_readq_full);
7897 ESTAT_ADD(dma_read_prioq_full);
7898 ESTAT_ADD(tx_comp_queue_full);
7899
7900 ESTAT_ADD(ring_set_send_prod_index);
7901 ESTAT_ADD(ring_status_update);
7902 ESTAT_ADD(nic_irqs);
7903 ESTAT_ADD(nic_avoided_irqs);
7904 ESTAT_ADD(nic_tx_threshold_hit);
7905
7906 return estats;
7907}
7908
7909static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7910{
7911 struct tg3 *tp = netdev_priv(dev);
7912 struct net_device_stats *stats = &tp->net_stats;
7913 struct net_device_stats *old_stats = &tp->net_stats_prev;
7914 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7915
7916 if (!hw_stats)
7917 return old_stats;
7918
7919 stats->rx_packets = old_stats->rx_packets +
7920 get_stat64(&hw_stats->rx_ucast_packets) +
7921 get_stat64(&hw_stats->rx_mcast_packets) +
7922 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 7923
1da177e4
LT		 7924 stats->tx_packets = old_stats->tx_packets +
7925 get_stat64(&hw_stats->tx_ucast_packets) +
7926 get_stat64(&hw_stats->tx_mcast_packets) +
7927 get_stat64(&hw_stats->tx_bcast_packets);
7928
7929 stats->rx_bytes = old_stats->rx_bytes +
7930 get_stat64(&hw_stats->rx_octets);
7931 stats->tx_bytes = old_stats->tx_bytes +
7932 get_stat64(&hw_stats->tx_octets);
7933
7934 stats->rx_errors = old_stats->rx_errors +
4f63b877 7935 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 7936 stats->tx_errors = old_stats->tx_errors +
7937 get_stat64(&hw_stats->tx_errors) +
7938 get_stat64(&hw_stats->tx_mac_errors) +
7939 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7940 get_stat64(&hw_stats->tx_discards);
7941
7942 stats->multicast = old_stats->multicast +
7943 get_stat64(&hw_stats->rx_mcast_packets);
7944 stats->collisions = old_stats->collisions +
7945 get_stat64(&hw_stats->tx_collisions);
7946
7947 stats->rx_length_errors = old_stats->rx_length_errors +
7948 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7949 get_stat64(&hw_stats->rx_undersize_packets);
7950
7951 stats->rx_over_errors = old_stats->rx_over_errors +
7952 get_stat64(&hw_stats->rxbds_empty);
7953 stats->rx_frame_errors = old_stats->rx_frame_errors +
7954 get_stat64(&hw_stats->rx_align_errors);
7955 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7956 get_stat64(&hw_stats->tx_discards);
7957 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7958 get_stat64(&hw_stats->tx_carrier_sense_errors);
7959
7960 stats->rx_crc_errors = old_stats->rx_crc_errors +
7961 calc_crc_errors(tp);
7962
4f63b877
JL		 7963 stats->rx_missed_errors = old_stats->rx_missed_errors +
7964 get_stat64(&hw_stats->rx_discards);
7965
1da177e4
LT		 7966 return stats;
7967}
7968
7969static inline u32 calc_crc(unsigned char *buf, int len)
7970{
7971 u32 reg;
7972 u32 tmp;
7973 int j, k;
7974
7975 reg = 0xffffffff;
7976
7977 for (j = 0; j < len; j++) {
7978 reg ^= buf[j];
7979
7980 for (k = 0; k < 8; k++) {
7981 tmp = reg & 0x01;
7982
7983 reg >>= 1;
7984
7985 if (tmp) {
7986 reg ^= 0xedb88320;
7987 }
7988 }
7989 }
7990
7991 return ~reg;
7992}
7993
7994static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7995{
7996 /* accept or reject all multicast frames */
7997 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7998 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7999 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
8000 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
8001}
8002
8003static void __tg3_set_rx_mode(struct net_device *dev)
8004{
8005 struct tg3 *tp = netdev_priv(dev);
8006 u32 rx_mode;
8007
8008 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
8009 RX_MODE_KEEP_VLAN_TAG);
8010
8011 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
8012 * flag clear.
8013 */
8014#if TG3_VLAN_TAG_USED
8015 if (!tp->vlgrp &&
8016 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8017 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8018#else
8019 /* By definition, VLAN is disabled always in this
8020 * case.
8021 */
8022 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8023 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8024#endif
8025
8026 if (dev->flags & IFF_PROMISC) {
8027 /* Promiscuous mode. */
8028 rx_mode |= RX_MODE_PROMISC;
8029 } else if (dev->flags & IFF_ALLMULTI) {
8030 /* Accept all multicast. */
8031 tg3_set_multi (tp, 1);
8032 } else if (dev->mc_count < 1) {
8033 /* Reject all multicast. */
8034 tg3_set_multi (tp, 0);
8035 } else {
8036 /* Accept one or more multicast(s). */
8037 struct dev_mc_list *mclist;
8038 unsigned int i;
8039 u32 mc_filter[4] = { 0, };
8040 u32 regidx;
8041 u32 bit;
8042 u32 crc;
8043
8044 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8045 i++, mclist = mclist->next) {
8046
8047 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8048 bit = ~crc & 0x7f;
8049 regidx = (bit & 0x60) >> 5;
8050 bit &= 0x1f;
8051 mc_filter[regidx] |= (1 << bit);
8052 }
8053
8054 tw32(MAC_HASH_REG_0, mc_filter[0]);
8055 tw32(MAC_HASH_REG_1, mc_filter[1]);
8056 tw32(MAC_HASH_REG_2, mc_filter[2]);
8057 tw32(MAC_HASH_REG_3, mc_filter[3]);
8058 }
8059
8060 if (rx_mode != tp->rx_mode) {
8061 tp->rx_mode = rx_mode;
8062 tw32_f(MAC_RX_MODE, rx_mode);
8063 udelay(10);
8064 }
8065}
8066
8067static void tg3_set_rx_mode(struct net_device *dev)
8068{
8069 struct tg3 *tp = netdev_priv(dev);
8070
e75f7c90
MC		 8071 if (!netif_running(dev))
8072 return;
8073
f47c11ee 8074 tg3_full_lock(tp, 0);
1da177e4 8075 __tg3_set_rx_mode(dev);
f47c11ee 8076 tg3_full_unlock(tp);
1da177e4
LT		 8077}
8078
8079#define TG3_REGDUMP_LEN (32 * 1024)
8080
8081static int tg3_get_regs_len(struct net_device *dev)
8082{
8083 return TG3_REGDUMP_LEN;
8084}
8085
8086static void tg3_get_regs(struct net_device *dev,
8087 struct ethtool_regs *regs, void *_p)
8088{
8089 u32 *p = _p;
8090 struct tg3 *tp = netdev_priv(dev);
8091 u8 *orig_p = _p;
8092 int i;
8093
8094 regs->version = 0;
8095
8096 memset(p, 0, TG3_REGDUMP_LEN);
8097
bc1c7567
MC		 8098 if (tp->link_config.phy_is_low_power)
8099 return;
8100
f47c11ee 8101 tg3_full_lock(tp, 0);
1da177e4
LT		 8102
8103#define __GET_REG32(reg) (*(p)++ = tr32(reg))
8104#define GET_REG32_LOOP(base,len) \
8105do { p = (u32 *)(orig_p + (base)); \
8106 for (i = 0; i < len; i += 4) \
8107 __GET_REG32((base) + i); \
8108} while (0)
8109#define GET_REG32_1(reg) \
8110do { p = (u32 *)(orig_p + (reg)); \
8111 __GET_REG32((reg)); \
8112} while (0)
8113
8114 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8115 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8116 GET_REG32_LOOP(MAC_MODE, 0x4f0);
8117 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8118 GET_REG32_1(SNDDATAC_MODE);
8119 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8120 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8121 GET_REG32_1(SNDBDC_MODE);
8122 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8123 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8124 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8125 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8126 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8127 GET_REG32_1(RCVDCC_MODE);
8128 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8129 GET_REG32_LOOP(RCVCC_MODE, 0x14);
8130 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8131 GET_REG32_1(MBFREE_MODE);
8132 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8133 GET_REG32_LOOP(MEMARB_MODE, 0x10);
8134 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8135 GET_REG32_LOOP(RDMAC_MODE, 0x08);
8136 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 8137 GET_REG32_1(RX_CPU_MODE);
8138 GET_REG32_1(RX_CPU_STATE);
8139 GET_REG32_1(RX_CPU_PGMCTR);
8140 GET_REG32_1(RX_CPU_HWBKPT);
8141 GET_REG32_1(TX_CPU_MODE);
8142 GET_REG32_1(TX_CPU_STATE);
8143 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 8144 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8145 GET_REG32_LOOP(FTQ_RESET, 0x120);
8146 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8147 GET_REG32_1(DMAC_MODE);
8148 GET_REG32_LOOP(GRC_MODE, 0x4c);
8149 if (tp->tg3_flags & TG3_FLAG_NVRAM)
8150 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8151
8152#undef __GET_REG32
8153#undef GET_REG32_LOOP
8154#undef GET_REG32_1
8155
f47c11ee 8156 tg3_full_unlock(tp);
1da177e4
LT		 8157}
8158
8159static int tg3_get_eeprom_len(struct net_device *dev)
8160{
8161 struct tg3 *tp = netdev_priv(dev);
8162
8163 return tp->nvram_size;
8164}
8165
8166static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
1820180b 8167static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
1da177e4
LT		 8168
8169static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8170{
8171 struct tg3 *tp = netdev_priv(dev);
8172 int ret;
8173 u8 *pd;
8174 u32 i, offset, len, val, b_offset, b_count;
8175
bc1c7567
MC		 8176 if (tp->link_config.phy_is_low_power)
8177 return -EAGAIN;
8178
1da177e4
LT		 8179 offset = eeprom->offset;
8180 len = eeprom->len;
8181 eeprom->len = 0;
8182
8183 eeprom->magic = TG3_EEPROM_MAGIC;
8184
8185 if (offset & 3) {
8186 /* adjustments to start on required 4 byte boundary */
8187 b_offset = offset & 3;
8188 b_count = 4 - b_offset;
8189 if (b_count > len) {
8190 /* i.e. offset=1 len=2 */
8191 b_count = len;
8192 }
8193 ret = tg3_nvram_read(tp, offset-b_offset, &val);
8194 if (ret)
8195 return ret;
8196 val = cpu_to_le32(val);
8197 memcpy(data, ((char*)&val) + b_offset, b_count);
8198 len -= b_count;
8199 offset += b_count;
8200 eeprom->len += b_count;
8201 }
8202
8203 /* read bytes upto the last 4 byte boundary */
8204 pd = &data[eeprom->len];
8205 for (i = 0; i < (len - (len & 3)); i += 4) {
8206 ret = tg3_nvram_read(tp, offset + i, &val);
8207 if (ret) {
8208 eeprom->len += i;
8209 return ret;
8210 }
8211 val = cpu_to_le32(val);
8212 memcpy(pd + i, &val, 4);
8213 }
8214 eeprom->len += i;
8215
8216 if (len & 3) {
8217 /* read last bytes not ending on 4 byte boundary */
8218 pd = &data[eeprom->len];
8219 b_count = len & 3;
8220 b_offset = offset + len - b_count;
8221 ret = tg3_nvram_read(tp, b_offset, &val);
8222 if (ret)
8223 return ret;
8224 val = cpu_to_le32(val);
8225 memcpy(pd, ((char*)&val), b_count);
8226 eeprom->len += b_count;
8227 }
8228 return 0;
8229}
8230
6aa20a22 8231static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 8232
8233static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8234{
8235 struct tg3 *tp = netdev_priv(dev);
8236 int ret;
8237 u32 offset, len, b_offset, odd_len, start, end;
8238 u8 *buf;
8239
bc1c7567
MC		 8240 if (tp->link_config.phy_is_low_power)
8241 return -EAGAIN;
8242
1da177e4
LT		 8243 if (eeprom->magic != TG3_EEPROM_MAGIC)
8244 return -EINVAL;
8245
8246 offset = eeprom->offset;
8247 len = eeprom->len;
8248
8249 if ((b_offset = (offset & 3))) {
8250 /* adjustments to start on required 4 byte boundary */
8251 ret = tg3_nvram_read(tp, offset-b_offset, &start);
8252 if (ret)
8253 return ret;
8254 start = cpu_to_le32(start);
8255 len += b_offset;
8256 offset &= ~3;
1c8594b4
MC		 8257 if (len < 4)
8258 len = 4;
1da177e4
LT		 8259 }
8260
8261 odd_len = 0;
1c8594b4 8262 if (len & 3) {
1da177e4
LT		 8263 /* adjustments to end on required 4 byte boundary */
8264 odd_len = 1;
8265 len = (len + 3) & ~3;
8266 ret = tg3_nvram_read(tp, offset+len-4, &end);
8267 if (ret)
8268 return ret;
8269 end = cpu_to_le32(end);
8270 }
8271
8272 buf = data;
8273 if (b_offset || odd_len) {
8274 buf = kmalloc(len, GFP_KERNEL);
ab0049b4 8275 if (!buf)
1da177e4
LT		 8276 return -ENOMEM;
8277 if (b_offset)
8278 memcpy(buf, &start, 4);
8279 if (odd_len)
8280 memcpy(buf+len-4, &end, 4);
8281 memcpy(buf + b_offset, data, eeprom->len);
8282 }
8283
8284 ret = tg3_nvram_write_block(tp, offset, len, buf);
8285
8286 if (buf != data)
8287 kfree(buf);
8288
8289 return ret;
8290}
8291
8292static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8293{
8294 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8295
1da177e4
LT		 8296 cmd->supported = (SUPPORTED_Autoneg);
8297
8298 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8299 cmd->supported |= (SUPPORTED_1000baseT_Half |
8300 SUPPORTED_1000baseT_Full);
8301
ef348144 8302 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 8303 cmd->supported |= (SUPPORTED_100baseT_Half |
8304 SUPPORTED_100baseT_Full |
8305 SUPPORTED_10baseT_Half |
8306 SUPPORTED_10baseT_Full |
8307 SUPPORTED_MII);
ef348144
KK		 8308 cmd->port = PORT_TP;
8309 } else {
1da177e4 8310 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 8311 cmd->port = PORT_FIBRE;
8312 }
6aa20a22 8313
1da177e4
LT		 8314 cmd->advertising = tp->link_config.advertising;
8315 if (netif_running(dev)) {
8316 cmd->speed = tp->link_config.active_speed;
8317 cmd->duplex = tp->link_config.active_duplex;
8318 }
1da177e4
LT		 8319 cmd->phy_address = PHY_ADDR;
8320 cmd->transceiver = 0;
8321 cmd->autoneg = tp->link_config.autoneg;
8322 cmd->maxtxpkt = 0;
8323 cmd->maxrxpkt = 0;
8324 return 0;
8325}
6aa20a22 8326
1da177e4
LT		 8327static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8328{
8329 struct tg3 *tp = netdev_priv(dev);
6aa20a22
JG		 8330
8331 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
1da177e4
LT		 8332 /* These are the only valid advertisement bits allowed. */
8333 if (cmd->autoneg == AUTONEG_ENABLE &&
8334 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
8335 ADVERTISED_1000baseT_Full |
8336 ADVERTISED_Autoneg |
8337 ADVERTISED_FIBRE)))
8338 return -EINVAL;
37ff238d
MC		 8339 /* Fiber can only do SPEED_1000. */
8340 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8341 (cmd->speed != SPEED_1000))
8342 return -EINVAL;
8343 /* Copper cannot force SPEED_1000. */
8344 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8345 (cmd->speed == SPEED_1000))
8346 return -EINVAL;
8347 else if ((cmd->speed == SPEED_1000) &&
8348 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8349 return -EINVAL;
1da177e4 8350
f47c11ee 8351 tg3_full_lock(tp, 0);
1da177e4
LT		 8352
8353 tp->link_config.autoneg = cmd->autoneg;
8354 if (cmd->autoneg == AUTONEG_ENABLE) {
405d8e5c
AG		 8355 tp->link_config.advertising = (cmd->advertising |
8356 ADVERTISED_Autoneg);
1da177e4
LT		 8357 tp->link_config.speed = SPEED_INVALID;
8358 tp->link_config.duplex = DUPLEX_INVALID;
8359 } else {
8360 tp->link_config.advertising = 0;
8361 tp->link_config.speed = cmd->speed;
8362 tp->link_config.duplex = cmd->duplex;
8363 }
6aa20a22 8364
24fcad6b
MC		 8365 tp->link_config.orig_speed = tp->link_config.speed;
8366 tp->link_config.orig_duplex = tp->link_config.duplex;
8367 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8368
1da177e4
LT		 8369 if (netif_running(dev))
8370 tg3_setup_phy(tp, 1);
8371
f47c11ee 8372 tg3_full_unlock(tp);
6aa20a22 8373
1da177e4
LT		 8374 return 0;
8375}
6aa20a22 8376
1da177e4
LT		 8377static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8378{
8379 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8380
1da177e4
LT		 8381 strcpy(info->driver, DRV_MODULE_NAME);
8382 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 8383 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 8384 strcpy(info->bus_info, pci_name(tp->pdev));
8385}
6aa20a22 8386
1da177e4
LT		 8387static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8388{
8389 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8390
a85feb8c
GZ		 8391 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
8392 wol->supported = WAKE_MAGIC;
8393 else
8394 wol->supported = 0;
1da177e4
LT		 8395 wol->wolopts = 0;
8396 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8397 wol->wolopts = WAKE_MAGIC;
8398 memset(&wol->sopass, 0, sizeof(wol->sopass));
8399}
6aa20a22 8400
1da177e4
LT		 8401static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8402{
8403 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8404
1da177e4
LT		 8405 if (wol->wolopts & ~WAKE_MAGIC)
8406 return -EINVAL;
8407 if ((wol->wolopts & WAKE_MAGIC) &&
a85feb8c 8408 !(tp->tg3_flags & TG3_FLAG_WOL_CAP))
1da177e4 8409 return -EINVAL;
6aa20a22 8410
f47c11ee 8411 spin_lock_bh(&tp->lock);
1da177e4
LT		 8412 if (wol->wolopts & WAKE_MAGIC)
8413 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8414 else
8415 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
f47c11ee 8416 spin_unlock_bh(&tp->lock);
6aa20a22 8417
1da177e4
LT		 8418 return 0;
8419}
6aa20a22 8420
1da177e4
LT		 8421static u32 tg3_get_msglevel(struct net_device *dev)
8422{
8423 struct tg3 *tp = netdev_priv(dev);
8424 return tp->msg_enable;
8425}
6aa20a22 8426
1da177e4
LT		 8427static void tg3_set_msglevel(struct net_device *dev, u32 value)
8428{
8429 struct tg3 *tp = netdev_priv(dev);
8430 tp->msg_enable = value;
8431}
6aa20a22 8432
1da177e4
LT		 8433static int tg3_set_tso(struct net_device *dev, u32 value)
8434{
8435 struct tg3 *tp = netdev_priv(dev);
8436
8437 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8438 if (value)
8439 return -EINVAL;
8440 return 0;
8441 }
b5d3772c
MC		 8442 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8443 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
9936bcf6 8444 if (value) {
b0026624 8445 dev->features |= NETIF_F_TSO6;
9936bcf6
MC		 8446 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8447 dev->features |= NETIF_F_TSO_ECN;
8448 } else
8449 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
b0026624 8450 }
1da177e4
LT		 8451 return ethtool_op_set_tso(dev, value);
8452}
6aa20a22 8453
1da177e4
LT		 8454static int tg3_nway_reset(struct net_device *dev)
8455{
8456 struct tg3 *tp = netdev_priv(dev);
8457 u32 bmcr;
8458 int r;
6aa20a22 8459
1da177e4
LT		 8460 if (!netif_running(dev))
8461 return -EAGAIN;
8462
c94e3941
MC		 8463 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8464 return -EINVAL;
8465
f47c11ee 8466 spin_lock_bh(&tp->lock);
1da177e4
LT		 8467 r = -EINVAL;
8468 tg3_readphy(tp, MII_BMCR, &bmcr);
8469 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
c94e3941
MC		 8470 ((bmcr & BMCR_ANENABLE) ||
8471 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8472 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8473 BMCR_ANENABLE);
1da177e4
LT		 8474 r = 0;
8475 }
f47c11ee 8476 spin_unlock_bh(&tp->lock);
6aa20a22 8477
1da177e4
LT		 8478 return r;
8479}
6aa20a22 8480
1da177e4
LT		 8481static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8482{
8483 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8484
1da177e4
LT		 8485 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8486 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 8487 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8488 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8489 else
8490 ering->rx_jumbo_max_pending = 0;
8491
8492 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 8493
8494 ering->rx_pending = tp->rx_pending;
8495 ering->rx_mini_pending = 0;
4f81c32b
MC		 8496 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8497 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8498 else
8499 ering->rx_jumbo_pending = 0;
8500
1da177e4
LT		 8501 ering->tx_pending = tp->tx_pending;
8502}
6aa20a22 8503
1da177e4
LT		 8504static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8505{
8506 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8507 int irq_sync = 0, err = 0;
6aa20a22 8508
1da177e4
LT		 8509 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8510 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 8511 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8512 (ering->tx_pending <= MAX_SKB_FRAGS) ||
7f62ad5d 8513 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
bc3a9254 8514 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 8515 return -EINVAL;
6aa20a22 8516
bbe832c0 8517 if (netif_running(dev)) {
1da177e4 8518 tg3_netif_stop(tp);
bbe832c0
MC		 8519 irq_sync = 1;
8520 }
1da177e4 8521
bbe832c0 8522 tg3_full_lock(tp, irq_sync);
6aa20a22 8523
1da177e4
LT		 8524 tp->rx_pending = ering->rx_pending;
8525
8526 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8527 tp->rx_pending > 63)
8528 tp->rx_pending = 63;
8529 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8530 tp->tx_pending = ering->tx_pending;
8531
8532 if (netif_running(dev)) {
944d980e 8533 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8534 err = tg3_restart_hw(tp, 1);
8535 if (!err)
8536 tg3_netif_start(tp);
1da177e4
LT		 8537 }
8538
f47c11ee 8539 tg3_full_unlock(tp);
6aa20a22 8540
b9ec6c1b 8541 return err;
1da177e4 8542}
6aa20a22 8543
1da177e4
LT		 8544static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8545{
8546 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8547
1da177e4
LT		 8548 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8549 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8550 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8551}
6aa20a22 8552
1da177e4
LT		 8553static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8554{
8555 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8556 int irq_sync = 0, err = 0;
6aa20a22 8557
bbe832c0 8558 if (netif_running(dev)) {
1da177e4 8559 tg3_netif_stop(tp);
bbe832c0
MC		 8560 irq_sync = 1;
8561 }
1da177e4 8562
bbe832c0 8563 tg3_full_lock(tp, irq_sync);
f47c11ee 8564
1da177e4
LT		 8565 if (epause->autoneg)
8566 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8567 else
8568 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8569 if (epause->rx_pause)
8570 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8571 else
8572 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8573 if (epause->tx_pause)
8574 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8575 else
8576 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8577
8578 if (netif_running(dev)) {
944d980e 8579 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8580 err = tg3_restart_hw(tp, 1);
8581 if (!err)
8582 tg3_netif_start(tp);
1da177e4 8583 }
f47c11ee
DM		 8584
8585 tg3_full_unlock(tp);
6aa20a22 8586
b9ec6c1b 8587 return err;
1da177e4 8588}
6aa20a22 8589
1da177e4
LT		 8590static u32 tg3_get_rx_csum(struct net_device *dev)
8591{
8592 struct tg3 *tp = netdev_priv(dev);
8593 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8594}
6aa20a22 8595
1da177e4
LT		 8596static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8597{
8598 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8599
1da177e4
LT		 8600 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8601 if (data != 0)
8602 return -EINVAL;
8603 return 0;
8604 }
6aa20a22 8605
f47c11ee 8606 spin_lock_bh(&tp->lock);
1da177e4
LT		 8607 if (data)
8608 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8609 else
8610 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 8611 spin_unlock_bh(&tp->lock);
6aa20a22 8612
1da177e4
LT		 8613 return 0;
8614}
6aa20a22 8615
1da177e4
LT		 8616static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8617{
8618 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8619
1da177e4
LT		 8620 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8621 if (data != 0)
8622 return -EINVAL;
8623 return 0;
8624 }
6aa20a22 8625
af36e6b6 8626 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 8627 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 8628 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8629 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
6460d948 8630 ethtool_op_set_tx_ipv6_csum(dev, data);
1da177e4 8631 else
9c27dbdf 8632 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 8633
8634 return 0;
8635}
8636
b9f2c044 8637static int tg3_get_sset_count (struct net_device *dev, int sset)
1da177e4 8638{
b9f2c044
JG		 8639 switch (sset) {
8640 case ETH_SS_TEST:
8641 return TG3_NUM_TEST;
8642 case ETH_SS_STATS:
8643 return TG3_NUM_STATS;
8644 default:
8645 return -EOPNOTSUPP;
8646 }
4cafd3f5
MC		 8647}
8648
1da177e4
LT		 8649static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8650{
8651 switch (stringset) {
8652 case ETH_SS_STATS:
8653 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8654 break;
4cafd3f5
MC		 8655 case ETH_SS_TEST:
8656 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8657 break;
1da177e4
LT		 8658 default:
8659 WARN_ON(1); /* we need a WARN() */
8660 break;
8661 }
8662}
8663
4009a93d
MC		 8664static int tg3_phys_id(struct net_device *dev, u32 data)
8665{
8666 struct tg3 *tp = netdev_priv(dev);
8667 int i;
8668
8669 if (!netif_running(tp->dev))
8670 return -EAGAIN;
8671
8672 if (data == 0)
8673 data = 2;
8674
8675 for (i = 0; i < (data * 2); i++) {
8676 if ((i % 2) == 0)
8677 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8678 LED_CTRL_1000MBPS_ON |
8679 LED_CTRL_100MBPS_ON |
8680 LED_CTRL_10MBPS_ON |
8681 LED_CTRL_TRAFFIC_OVERRIDE |
8682 LED_CTRL_TRAFFIC_BLINK |
8683 LED_CTRL_TRAFFIC_LED);
6aa20a22 8684
4009a93d
MC		 8685 else
8686 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8687 LED_CTRL_TRAFFIC_OVERRIDE);
8688
8689 if (msleep_interruptible(500))
8690 break;
8691 }
8692 tw32(MAC_LED_CTRL, tp->led_ctrl);
8693 return 0;
8694}
8695
1da177e4
LT		 8696static void tg3_get_ethtool_stats (struct net_device *dev,
8697 struct ethtool_stats *estats, u64 *tmp_stats)
8698{
8699 struct tg3 *tp = netdev_priv(dev);
8700 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8701}
8702
566f86ad 8703#define NVRAM_TEST_SIZE 0x100
1b27777a 8704#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
b16250e3
MC		 8705#define NVRAM_SELFBOOT_HW_SIZE 0x20
8706#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 8707
8708static int tg3_test_nvram(struct tg3 *tp)
8709{
1b27777a 8710 u32 *buf, csum, magic;
ab0049b4 8711 int i, j, k, err = 0, size;
566f86ad 8712
1820180b 8713 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1b27777a
MC		 8714 return -EIO;
8715
1b27777a
MC		 8716 if (magic == TG3_EEPROM_MAGIC)
8717 size = NVRAM_TEST_SIZE;
b16250e3 8718 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8719 if ((magic & 0xe00000) == 0x200000)
8720 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8721 else
8722 return 0;
b16250e3
MC		 8723 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8724 size = NVRAM_SELFBOOT_HW_SIZE;
8725 else
1b27777a
MC		 8726 return -EIO;
8727
8728 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 8729 if (buf == NULL)
8730 return -ENOMEM;
8731
1b27777a
MC		 8732 err = -EIO;
8733 for (i = 0, j = 0; i < size; i += 4, j++) {
566f86ad
MC		 8734 u32 val;
8735
8736 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8737 break;
8738 buf[j] = cpu_to_le32(val);
8739 }
1b27777a 8740 if (i < size)
566f86ad
MC		 8741 goto out;
8742
1b27777a 8743 /* Selfboot format */
b16250e3
MC		 8744 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8745 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8746 u8 *buf8 = (u8 *) buf, csum8 = 0;
8747
8748 for (i = 0; i < size; i++)
8749 csum8 += buf8[i];
8750
ad96b485
AB		 8751 if (csum8 == 0) {
8752 err = 0;
8753 goto out;
8754 }
8755
8756 err = -EIO;
8757 goto out;
1b27777a 8758 }
566f86ad 8759
b16250e3
MC		 8760 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8761 TG3_EEPROM_MAGIC_HW) {
8762 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8763 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8764 u8 *buf8 = (u8 *) buf;
b16250e3
MC		 8765
8766 /* Separate the parity bits and the data bytes. */
8767 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8768 if ((i == 0) || (i == 8)) {
8769 int l;
8770 u8 msk;
8771
8772 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8773 parity[k++] = buf8[i] & msk;
8774 i++;
8775 }
8776 else if (i == 16) {
8777 int l;
8778 u8 msk;
8779
8780 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8781 parity[k++] = buf8[i] & msk;
8782 i++;
8783
8784 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8785 parity[k++] = buf8[i] & msk;
8786 i++;
8787 }
8788 data[j++] = buf8[i];
8789 }
8790
8791 err = -EIO;
8792 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8793 u8 hw8 = hweight8(data[i]);
8794
8795 if ((hw8 & 0x1) && parity[i])
8796 goto out;
8797 else if (!(hw8 & 0x1) && !parity[i])
8798 goto out;
8799 }
8800 err = 0;
8801 goto out;
8802 }
8803
566f86ad
MC		 8804 /* Bootstrap checksum at offset 0x10 */
8805 csum = calc_crc((unsigned char *) buf, 0x10);
8806 if(csum != cpu_to_le32(buf[0x10/4]))
8807 goto out;
8808
8809 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8810 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8811 if (csum != cpu_to_le32(buf[0xfc/4]))
8812 goto out;
8813
8814 err = 0;
8815
8816out:
8817 kfree(buf);
8818 return err;
8819}
8820
ca43007a
MC		 8821#define TG3_SERDES_TIMEOUT_SEC 2
8822#define TG3_COPPER_TIMEOUT_SEC 6
8823
8824static int tg3_test_link(struct tg3 *tp)
8825{
8826 int i, max;
8827
8828 if (!netif_running(tp->dev))
8829 return -ENODEV;
8830
4c987487 8831 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 8832 max = TG3_SERDES_TIMEOUT_SEC;
8833 else
8834 max = TG3_COPPER_TIMEOUT_SEC;
8835
8836 for (i = 0; i < max; i++) {
8837 if (netif_carrier_ok(tp->dev))
8838 return 0;
8839
8840 if (msleep_interruptible(1000))
8841 break;
8842 }
8843
8844 return -EIO;
8845}
8846
a71116d1 8847/* Only test the commonly used registers */
30ca3e37 8848static int tg3_test_registers(struct tg3 *tp)
a71116d1 8849{
b16250e3 8850 int i, is_5705, is_5750;
a71116d1
MC		 8851 u32 offset, read_mask, write_mask, val, save_val, read_val;
8852 static struct {
8853 u16 offset;
8854 u16 flags;
8855#define TG3_FL_5705 0x1
8856#define TG3_FL_NOT_5705 0x2
8857#define TG3_FL_NOT_5788 0x4
b16250e3 8858#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 8859 u32 read_mask;
8860 u32 write_mask;
8861 } reg_tbl[] = {
8862 /* MAC Control Registers */
8863 { MAC_MODE, TG3_FL_NOT_5705,
8864 0x00000000, 0x00ef6f8c },
8865 { MAC_MODE, TG3_FL_5705,
8866 0x00000000, 0x01ef6b8c },
8867 { MAC_STATUS, TG3_FL_NOT_5705,
8868 0x03800107, 0x00000000 },
8869 { MAC_STATUS, TG3_FL_5705,
8870 0x03800100, 0x00000000 },
8871 { MAC_ADDR_0_HIGH, 0x0000,
8872 0x00000000, 0x0000ffff },
8873 { MAC_ADDR_0_LOW, 0x0000,
8874 0x00000000, 0xffffffff },
8875 { MAC_RX_MTU_SIZE, 0x0000,
8876 0x00000000, 0x0000ffff },
8877 { MAC_TX_MODE, 0x0000,
8878 0x00000000, 0x00000070 },
8879 { MAC_TX_LENGTHS, 0x0000,
8880 0x00000000, 0x00003fff },
8881 { MAC_RX_MODE, TG3_FL_NOT_5705,
8882 0x00000000, 0x000007fc },
8883 { MAC_RX_MODE, TG3_FL_5705,
8884 0x00000000, 0x000007dc },
8885 { MAC_HASH_REG_0, 0x0000,
8886 0x00000000, 0xffffffff },
8887 { MAC_HASH_REG_1, 0x0000,
8888 0x00000000, 0xffffffff },
8889 { MAC_HASH_REG_2, 0x0000,
8890 0x00000000, 0xffffffff },
8891 { MAC_HASH_REG_3, 0x0000,
8892 0x00000000, 0xffffffff },
8893
8894 /* Receive Data and Receive BD Initiator Control Registers. */
8895 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8896 0x00000000, 0xffffffff },
8897 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8898 0x00000000, 0xffffffff },
8899 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8900 0x00000000, 0x00000003 },
8901 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8902 0x00000000, 0xffffffff },
8903 { RCVDBDI_STD_BD+0, 0x0000,
8904 0x00000000, 0xffffffff },
8905 { RCVDBDI_STD_BD+4, 0x0000,
8906 0x00000000, 0xffffffff },
8907 { RCVDBDI_STD_BD+8, 0x0000,
8908 0x00000000, 0xffff0002 },
8909 { RCVDBDI_STD_BD+0xc, 0x0000,
8910 0x00000000, 0xffffffff },
6aa20a22 8911
a71116d1
MC		 8912 /* Receive BD Initiator Control Registers. */
8913 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8914 0x00000000, 0xffffffff },
8915 { RCVBDI_STD_THRESH, TG3_FL_5705,
8916 0x00000000, 0x000003ff },
8917 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8918 0x00000000, 0xffffffff },
6aa20a22 8919
a71116d1
MC		 8920 /* Host Coalescing Control Registers. */
8921 { HOSTCC_MODE, TG3_FL_NOT_5705,
8922 0x00000000, 0x00000004 },
8923 { HOSTCC_MODE, TG3_FL_5705,
8924 0x00000000, 0x000000f6 },
8925 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8926 0x00000000, 0xffffffff },
8927 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8928 0x00000000, 0x000003ff },
8929 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8930 0x00000000, 0xffffffff },
8931 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8932 0x00000000, 0x000003ff },
8933 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8934 0x00000000, 0xffffffff },
8935 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8936 0x00000000, 0x000000ff },
8937 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8938 0x00000000, 0xffffffff },
8939 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8940 0x00000000, 0x000000ff },
8941 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8942 0x00000000, 0xffffffff },
8943 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8944 0x00000000, 0xffffffff },
8945 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8946 0x00000000, 0xffffffff },
8947 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8948 0x00000000, 0x000000ff },
8949 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8950 0x00000000, 0xffffffff },
8951 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8952 0x00000000, 0x000000ff },
8953 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8954 0x00000000, 0xffffffff },
8955 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8956 0x00000000, 0xffffffff },
8957 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8958 0x00000000, 0xffffffff },
8959 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8960 0x00000000, 0xffffffff },
8961 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8962 0x00000000, 0xffffffff },
8963 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8964 0xffffffff, 0x00000000 },
8965 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8966 0xffffffff, 0x00000000 },
8967
8968 /* Buffer Manager Control Registers. */
b16250e3 8969 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 8970 0x00000000, 0x007fff80 },
b16250e3 8971 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 8972 0x00000000, 0x007fffff },
8973 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8974 0x00000000, 0x0000003f },
8975 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8976 0x00000000, 0x000001ff },
8977 { BUFMGR_MB_HIGH_WATER, 0x0000,
8978 0x00000000, 0x000001ff },
8979 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8980 0xffffffff, 0x00000000 },
8981 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8982 0xffffffff, 0x00000000 },
6aa20a22 8983
a71116d1
MC		 8984 /* Mailbox Registers */
8985 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8986 0x00000000, 0x000001ff },
8987 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8988 0x00000000, 0x000001ff },
8989 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8990 0x00000000, 0x000007ff },
8991 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8992 0x00000000, 0x000001ff },
8993
8994 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8995 };
8996
b16250e3
MC		 8997 is_5705 = is_5750 = 0;
8998 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 8999 is_5705 = 1;
b16250e3
MC		 9000 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
9001 is_5750 = 1;
9002 }
a71116d1
MC		 9003
9004 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
9005 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
9006 continue;
9007
9008 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
9009 continue;
9010
9011 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9012 (reg_tbl[i].flags & TG3_FL_NOT_5788))
9013 continue;
9014
b16250e3
MC		 9015 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
9016 continue;
9017
a71116d1
MC		 9018 offset = (u32) reg_tbl[i].offset;
9019 read_mask = reg_tbl[i].read_mask;
9020 write_mask = reg_tbl[i].write_mask;
9021
9022 /* Save the original register content */
9023 save_val = tr32(offset);
9024
9025 /* Determine the read-only value. */
9026 read_val = save_val & read_mask;
9027
9028 /* Write zero to the register, then make sure the read-only bits
9029 * are not changed and the read/write bits are all zeros.
9030 */
9031 tw32(offset, 0);
9032
9033 val = tr32(offset);
9034
9035 /* Test the read-only and read/write bits. */
9036 if (((val & read_mask) != read_val) || (val & write_mask))
9037 goto out;
9038
9039 /* Write ones to all the bits defined by RdMask and WrMask, then
9040 * make sure the read-only bits are not changed and the
9041 * read/write bits are all ones.
9042 */
9043 tw32(offset, read_mask | write_mask);
9044
9045 val = tr32(offset);
9046
9047 /* Test the read-only bits. */
9048 if ((val & read_mask) != read_val)
9049 goto out;
9050
9051 /* Test the read/write bits. */
9052 if ((val & write_mask) != write_mask)
9053 goto out;
9054
9055 tw32(offset, save_val);
9056 }
9057
9058 return 0;
9059
9060out:
9f88f29f
MC		 9061 if (netif_msg_hw(tp))
9062 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9063 offset);
a71116d1
MC		 9064 tw32(offset, save_val);
9065 return -EIO;
9066}
9067
7942e1db
MC		 9068static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9069{
f71e1309 9070 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 9071 int i;
9072 u32 j;
9073
e9edda69 9074 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
7942e1db
MC		 9075 for (j = 0; j < len; j += 4) {
9076 u32 val;
9077
9078 tg3_write_mem(tp, offset + j, test_pattern[i]);
9079 tg3_read_mem(tp, offset + j, &val);
9080 if (val != test_pattern[i])
9081 return -EIO;
9082 }
9083 }
9084 return 0;
9085}
9086
9087static int tg3_test_memory(struct tg3 *tp)
9088{
9089 static struct mem_entry {
9090 u32 offset;
9091 u32 len;
9092 } mem_tbl_570x[] = {
38690194 9093 { 0x00000000, 0x00b50},
7942e1db
MC		 9094 { 0x00002000, 0x1c000},
9095 { 0xffffffff, 0x00000}
9096 }, mem_tbl_5705[] = {
9097 { 0x00000100, 0x0000c},
9098 { 0x00000200, 0x00008},
7942e1db
MC		 9099 { 0x00004000, 0x00800},
9100 { 0x00006000, 0x01000},
9101 { 0x00008000, 0x02000},
9102 { 0x00010000, 0x0e000},
9103 { 0xffffffff, 0x00000}
79f4d13a
MC		 9104 }, mem_tbl_5755[] = {
9105 { 0x00000200, 0x00008},
9106 { 0x00004000, 0x00800},
9107 { 0x00006000, 0x00800},
9108 { 0x00008000, 0x02000},
9109 { 0x00010000, 0x0c000},
9110 { 0xffffffff, 0x00000}
b16250e3
MC		 9111 }, mem_tbl_5906[] = {
9112 { 0x00000200, 0x00008},
9113 { 0x00004000, 0x00400},
9114 { 0x00006000, 0x00400},
9115 { 0x00008000, 0x01000},
9116 { 0x00010000, 0x01000},
9117 { 0xffffffff, 0x00000}
7942e1db
MC		 9118 };
9119 struct mem_entry *mem_tbl;
9120 int err = 0;
9121 int i;
9122
79f4d13a 9123 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
af36e6b6 9124 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 9125 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 9126 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9127 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
79f4d13a 9128 mem_tbl = mem_tbl_5755;
b16250e3
MC		 9129 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9130 mem_tbl = mem_tbl_5906;
79f4d13a
MC		 9131 else
9132 mem_tbl = mem_tbl_5705;
9133 } else
7942e1db
MC		 9134 mem_tbl = mem_tbl_570x;
9135
9136 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9137 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9138 mem_tbl[i].len)) != 0)
9139 break;
9140 }
6aa20a22 9141
7942e1db
MC		 9142 return err;
9143}
9144
9f40dead
MC		 9145#define TG3_MAC_LOOPBACK 0
9146#define TG3_PHY_LOOPBACK 1
9147
9148static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 9149{
9f40dead 9150 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
c76949a6
MC		 9151 u32 desc_idx;
9152 struct sk_buff *skb, *rx_skb;
9153 u8 *tx_data;
9154 dma_addr_t map;
9155 int num_pkts, tx_len, rx_len, i, err;
9156 struct tg3_rx_buffer_desc *desc;
9157
9f40dead 9158 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 9159 /* HW errata - mac loopback fails in some cases on 5780.
9160 * Normal traffic and PHY loopback are not affected by
9161 * errata.
9162 */
9163 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9164 return 0;
9165
9f40dead 9166 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
e8f3f6ca
MC		 9167 MAC_MODE_PORT_INT_LPBACK;
9168 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9169 mac_mode |= MAC_MODE_LINK_POLARITY;
3f7045c1
MC		 9170 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9171 mac_mode |= MAC_MODE_PORT_MODE_MII;
9172 else
9173 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 9174 tw32(MAC_MODE, mac_mode);
9175 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 9176 u32 val;
9177
b16250e3
MC		 9178 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9179 u32 phytest;
9180
9181 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
9182 u32 phy;
9183
9184 tg3_writephy(tp, MII_TG3_EPHY_TEST,
9185 phytest | MII_TG3_EPHY_SHADOW_EN);
9186 if (!tg3_readphy(tp, 0x1b, &phy))
9187 tg3_writephy(tp, 0x1b, phy & ~0x20);
b16250e3
MC		 9188 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
9189 }
5d64ad34
MC		 9190 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9191 } else
9192 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1 9193
9ef8ca99
MC		 9194 tg3_phy_toggle_automdix(tp, 0);
9195
3f7045c1 9196 tg3_writephy(tp, MII_BMCR, val);
c94e3941 9197 udelay(40);
5d64ad34 9198
e8f3f6ca 9199 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
5d64ad34 9200 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
b16250e3 9201 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
5d64ad34
MC		 9202 mac_mode |= MAC_MODE_PORT_MODE_MII;
9203 } else
9204 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 9205
c94e3941
MC		 9206 /* reset to prevent losing 1st rx packet intermittently */
9207 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
9208 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
9209 udelay(10);
9210 tw32_f(MAC_RX_MODE, tp->rx_mode);
9211 }
e8f3f6ca
MC		 9212 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
9213 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
9214 mac_mode &= ~MAC_MODE_LINK_POLARITY;
9215 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
9216 mac_mode |= MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 9217 tg3_writephy(tp, MII_TG3_EXT_CTRL,
9218 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
9219 }
9f40dead 9220 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 9221 }
9222 else
9223 return -EINVAL;
c76949a6
MC		 9224
9225 err = -EIO;
9226
c76949a6 9227 tx_len = 1514;
a20e9c62 9228 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 9229 if (!skb)
9230 return -ENOMEM;
9231
c76949a6
MC		 9232 tx_data = skb_put(skb, tx_len);
9233 memcpy(tx_data, tp->dev->dev_addr, 6);
9234 memset(tx_data + 6, 0x0, 8);
9235
9236 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
9237
9238 for (i = 14; i < tx_len; i++)
9239 tx_data[i] = (u8) (i & 0xff);
9240
9241 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
9242
9243 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9244 HOSTCC_MODE_NOW);
9245
9246 udelay(10);
9247
9248 rx_start_idx = tp->hw_status->idx[0].rx_producer;
9249
c76949a6
MC		 9250 num_pkts = 0;
9251
9f40dead 9252 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
c76949a6 9253
9f40dead 9254 tp->tx_prod++;
c76949a6
MC		 9255 num_pkts++;
9256
9f40dead
MC		 9257 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
9258 tp->tx_prod);
09ee929c 9259 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
c76949a6
MC		 9260
9261 udelay(10);
9262
3f7045c1
MC		 9263 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
9264 for (i = 0; i < 25; i++) {
c76949a6
MC		 9265 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9266 HOSTCC_MODE_NOW);
9267
9268 udelay(10);
9269
9270 tx_idx = tp->hw_status->idx[0].tx_consumer;
9271 rx_idx = tp->hw_status->idx[0].rx_producer;
9f40dead 9272 if ((tx_idx == tp->tx_prod) &&
c76949a6
MC		 9273 (rx_idx == (rx_start_idx + num_pkts)))
9274 break;
9275 }
9276
9277 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
9278 dev_kfree_skb(skb);
9279
9f40dead 9280 if (tx_idx != tp->tx_prod)
c76949a6
MC		 9281 goto out;
9282
9283 if (rx_idx != rx_start_idx + num_pkts)
9284 goto out;
9285
9286 desc = &tp->rx_rcb[rx_start_idx];
9287 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
9288 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9289 if (opaque_key != RXD_OPAQUE_RING_STD)
9290 goto out;
9291
9292 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9293 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9294 goto out;
9295
9296 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9297 if (rx_len != tx_len)
9298 goto out;
9299
9300 rx_skb = tp->rx_std_buffers[desc_idx].skb;
9301
9302 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9303 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9304
9305 for (i = 14; i < tx_len; i++) {
9306 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9307 goto out;
9308 }
9309 err = 0;
6aa20a22 9310
c76949a6
MC		 9311 /* tg3_free_rings will unmap and free the rx_skb */
9312out:
9313 return err;
9314}
9315
9f40dead
MC		 9316#define TG3_MAC_LOOPBACK_FAILED 1
9317#define TG3_PHY_LOOPBACK_FAILED 2
9318#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
9319 TG3_PHY_LOOPBACK_FAILED)
9320
9321static int tg3_test_loopback(struct tg3 *tp)
9322{
9323 int err = 0;
9936bcf6 9324 u32 cpmuctrl = 0;
9f40dead
MC		 9325
9326 if (!netif_running(tp->dev))
9327 return TG3_LOOPBACK_FAILED;
9328
b9ec6c1b
MC		 9329 err = tg3_reset_hw(tp, 1);
9330 if (err)
9331 return TG3_LOOPBACK_FAILED;
9f40dead 9332
9936bcf6
MC		 9333 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9334 int i;
9335 u32 status;
9336
9337 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
9338
9339 /* Wait for up to 40 microseconds to acquire lock. */
9340 for (i = 0; i < 4; i++) {
9341 status = tr32(TG3_CPMU_MUTEX_GNT);
9342 if (status == CPMU_MUTEX_GNT_DRIVER)
9343 break;
9344 udelay(10);
9345 }
9346
9347 if (status != CPMU_MUTEX_GNT_DRIVER)
9348 return TG3_LOOPBACK_FAILED;
9349
9350 cpmuctrl = tr32(TG3_CPMU_CTRL);
9351
9352 /* Turn off power management based on link speed. */
9353 tw32(TG3_CPMU_CTRL,
9354 cpmuctrl & ~CPMU_CTRL_LINK_SPEED_MODE);
9355 }
9356
9f40dead
MC		 9357 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9358 err |= TG3_MAC_LOOPBACK_FAILED;
9936bcf6
MC		 9359
9360 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9361 tw32(TG3_CPMU_CTRL, cpmuctrl);
9362
9363 /* Release the mutex */
9364 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
9365 }
9366
9f40dead
MC		 9367 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
9368 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9369 err |= TG3_PHY_LOOPBACK_FAILED;
9370 }
9371
9372 return err;
9373}
9374
4cafd3f5
MC		 9375static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9376 u64 *data)
9377{
566f86ad
MC		 9378 struct tg3 *tp = netdev_priv(dev);
9379
bc1c7567
MC		 9380 if (tp->link_config.phy_is_low_power)
9381 tg3_set_power_state(tp, PCI_D0);
9382
566f86ad
MC		 9383 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9384
9385 if (tg3_test_nvram(tp) != 0) {
9386 etest->flags |= ETH_TEST_FL_FAILED;
9387 data[0] = 1;
9388 }
ca43007a
MC		 9389 if (tg3_test_link(tp) != 0) {
9390 etest->flags |= ETH_TEST_FL_FAILED;
9391 data[1] = 1;
9392 }
a71116d1 9393 if (etest->flags & ETH_TEST_FL_OFFLINE) {
ec41c7df 9394 int err, irq_sync = 0;
bbe832c0
MC		 9395
9396 if (netif_running(dev)) {
a71116d1 9397 tg3_netif_stop(tp);
bbe832c0
MC		 9398 irq_sync = 1;
9399 }
a71116d1 9400
bbe832c0 9401 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 9402
9403 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 9404 err = tg3_nvram_lock(tp);
a71116d1
MC		 9405 tg3_halt_cpu(tp, RX_CPU_BASE);
9406 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9407 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 9408 if (!err)
9409 tg3_nvram_unlock(tp);
a71116d1 9410
d9ab5ad1
MC		 9411 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9412 tg3_phy_reset(tp);
9413
a71116d1
MC		 9414 if (tg3_test_registers(tp) != 0) {
9415 etest->flags |= ETH_TEST_FL_FAILED;
9416 data[2] = 1;
9417 }
7942e1db
MC		 9418 if (tg3_test_memory(tp) != 0) {
9419 etest->flags |= ETH_TEST_FL_FAILED;
9420 data[3] = 1;
9421 }
9f40dead 9422 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 9423 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 9424
f47c11ee
DM		 9425 tg3_full_unlock(tp);
9426
d4bc3927
MC		 9427 if (tg3_test_interrupt(tp) != 0) {
9428 etest->flags |= ETH_TEST_FL_FAILED;
9429 data[5] = 1;
9430 }
f47c11ee
DM		 9431
9432 tg3_full_lock(tp, 0);
d4bc3927 9433
a71116d1
MC		 9434 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9435 if (netif_running(dev)) {
9436 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 9437 if (!tg3_restart_hw(tp, 1))
9438 tg3_netif_start(tp);
a71116d1 9439 }
f47c11ee
DM		 9440
9441 tg3_full_unlock(tp);
a71116d1 9442 }
bc1c7567
MC		 9443 if (tp->link_config.phy_is_low_power)
9444 tg3_set_power_state(tp, PCI_D3hot);
9445
4cafd3f5
MC		 9446}
9447
1da177e4
LT		 9448static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9449{
9450 struct mii_ioctl_data *data = if_mii(ifr);
9451 struct tg3 *tp = netdev_priv(dev);
9452 int err;
9453
9454 switch(cmd) {
9455 case SIOCGMIIPHY:
9456 data->phy_id = PHY_ADDR;
9457
9458 /* fallthru */
9459 case SIOCGMIIREG: {
9460 u32 mii_regval;
9461
9462 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9463 break; /* We have no PHY */
9464
bc1c7567
MC		 9465 if (tp->link_config.phy_is_low_power)
9466 return -EAGAIN;
9467
f47c11ee 9468 spin_lock_bh(&tp->lock);
1da177e4 9469 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 9470 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9471
9472 data->val_out = mii_regval;
9473
9474 return err;
9475 }
9476
9477 case SIOCSMIIREG:
9478 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9479 break; /* We have no PHY */
9480
9481 if (!capable(CAP_NET_ADMIN))
9482 return -EPERM;
9483
bc1c7567
MC		 9484 if (tp->link_config.phy_is_low_power)
9485 return -EAGAIN;
9486
f47c11ee 9487 spin_lock_bh(&tp->lock);
1da177e4 9488 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 9489 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9490
9491 return err;
9492
9493 default:
9494 /* do nothing */
9495 break;
9496 }
9497 return -EOPNOTSUPP;
9498}
9499
9500#if TG3_VLAN_TAG_USED
9501static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9502{
9503 struct tg3 *tp = netdev_priv(dev);
9504
29315e87
MC		 9505 if (netif_running(dev))
9506 tg3_netif_stop(tp);
9507
f47c11ee 9508 tg3_full_lock(tp, 0);
1da177e4
LT		 9509
9510 tp->vlgrp = grp;
9511
9512 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9513 __tg3_set_rx_mode(dev);
9514
29315e87
MC		 9515 if (netif_running(dev))
9516 tg3_netif_start(tp);
46966545
MC		 9517
9518 tg3_full_unlock(tp);
1da177e4 9519}
1da177e4
LT		 9520#endif
9521
15f9850d
DM		 9522static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9523{
9524 struct tg3 *tp = netdev_priv(dev);
9525
9526 memcpy(ec, &tp->coal, sizeof(*ec));
9527 return 0;
9528}
9529
d244c892
MC		 9530static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9531{
9532 struct tg3 *tp = netdev_priv(dev);
9533 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9534 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9535
9536 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9537 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9538 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9539 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9540 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9541 }
9542
9543 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9544 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9545 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9546 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9547 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9548 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9549 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9550 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9551 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9552 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9553 return -EINVAL;
9554
9555 /* No rx interrupts will be generated if both are zero */
9556 if ((ec->rx_coalesce_usecs == 0) &&
9557 (ec->rx_max_coalesced_frames == 0))
9558 return -EINVAL;
9559
9560 /* No tx interrupts will be generated if both are zero */
9561 if ((ec->tx_coalesce_usecs == 0) &&
9562 (ec->tx_max_coalesced_frames == 0))
9563 return -EINVAL;
9564
9565 /* Only copy relevant parameters, ignore all others. */
9566 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9567 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9568 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9569 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9570 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9571 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9572 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9573 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9574 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9575
9576 if (netif_running(dev)) {
9577 tg3_full_lock(tp, 0);
9578 __tg3_set_coalesce(tp, &tp->coal);
9579 tg3_full_unlock(tp);
9580 }
9581 return 0;
9582}
9583
7282d491 9584static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 9585 .get_settings = tg3_get_settings,
9586 .set_settings = tg3_set_settings,
9587 .get_drvinfo = tg3_get_drvinfo,
9588 .get_regs_len = tg3_get_regs_len,
9589 .get_regs = tg3_get_regs,
9590 .get_wol = tg3_get_wol,
9591 .set_wol = tg3_set_wol,
9592 .get_msglevel = tg3_get_msglevel,
9593 .set_msglevel = tg3_set_msglevel,
9594 .nway_reset = tg3_nway_reset,
9595 .get_link = ethtool_op_get_link,
9596 .get_eeprom_len = tg3_get_eeprom_len,
9597 .get_eeprom = tg3_get_eeprom,
9598 .set_eeprom = tg3_set_eeprom,
9599 .get_ringparam = tg3_get_ringparam,
9600 .set_ringparam = tg3_set_ringparam,
9601 .get_pauseparam = tg3_get_pauseparam,
9602 .set_pauseparam = tg3_set_pauseparam,
9603 .get_rx_csum = tg3_get_rx_csum,
9604 .set_rx_csum = tg3_set_rx_csum,
1da177e4 9605 .set_tx_csum = tg3_set_tx_csum,
1da177e4 9606 .set_sg = ethtool_op_set_sg,
1da177e4 9607 .set_tso = tg3_set_tso,
4cafd3f5 9608 .self_test = tg3_self_test,
1da177e4 9609 .get_strings = tg3_get_strings,
4009a93d 9610 .phys_id = tg3_phys_id,
1da177e4 9611 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 9612 .get_coalesce = tg3_get_coalesce,
d244c892 9613 .set_coalesce = tg3_set_coalesce,
b9f2c044 9614 .get_sset_count = tg3_get_sset_count,
1da177e4
LT		 9615};
9616
9617static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9618{
1b27777a 9619 u32 cursize, val, magic;
1da177e4
LT		 9620
9621 tp->nvram_size = EEPROM_CHIP_SIZE;
9622
1820180b 9623 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1da177e4
LT		 9624 return;
9625
b16250e3
MC		 9626 if ((magic != TG3_EEPROM_MAGIC) &&
9627 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9628 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 9629 return;
9630
9631 /*
9632 * Size the chip by reading offsets at increasing powers of two.
9633 * When we encounter our validation signature, we know the addressing
9634 * has wrapped around, and thus have our chip size.
9635 */
1b27777a 9636 cursize = 0x10;
1da177e4
LT		 9637
9638 while (cursize < tp->nvram_size) {
1820180b 9639 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
1da177e4
LT		 9640 return;
9641
1820180b 9642 if (val == magic)
1da177e4
LT		 9643 break;
9644
9645 cursize <<= 1;
9646 }
9647
9648 tp->nvram_size = cursize;
9649}
6aa20a22 9650
1da177e4
LT		 9651static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9652{
9653 u32 val;
9654
1820180b 9655 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
1b27777a
MC		 9656 return;
9657
9658 /* Selfboot format */
1820180b 9659 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 9660 tg3_get_eeprom_size(tp);
9661 return;
9662 }
9663
1da177e4
LT		 9664 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9665 if (val != 0) {
9666 tp->nvram_size = (val >> 16) * 1024;
9667 return;
9668 }
9669 }
989a9d23 9670 tp->nvram_size = 0x80000;
1da177e4
LT		 9671}
9672
9673static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9674{
9675 u32 nvcfg1;
9676
9677 nvcfg1 = tr32(NVRAM_CFG1);
9678 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9679 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9680 }
9681 else {
9682 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9683 tw32(NVRAM_CFG1, nvcfg1);
9684 }
9685
4c987487 9686 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 9687 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 9688 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9689 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9690 tp->nvram_jedecnum = JEDEC_ATMEL;
9691 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9692 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9693 break;
9694 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9695 tp->nvram_jedecnum = JEDEC_ATMEL;
9696 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9697 break;
9698 case FLASH_VENDOR_ATMEL_EEPROM:
9699 tp->nvram_jedecnum = JEDEC_ATMEL;
9700 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9701 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9702 break;
9703 case FLASH_VENDOR_ST:
9704 tp->nvram_jedecnum = JEDEC_ST;
9705 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9706 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9707 break;
9708 case FLASH_VENDOR_SAIFUN:
9709 tp->nvram_jedecnum = JEDEC_SAIFUN;
9710 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9711 break;
9712 case FLASH_VENDOR_SST_SMALL:
9713 case FLASH_VENDOR_SST_LARGE:
9714 tp->nvram_jedecnum = JEDEC_SST;
9715 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9716 break;
9717 }
9718 }
9719 else {
9720 tp->nvram_jedecnum = JEDEC_ATMEL;
9721 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9722 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9723 }
9724}
9725
361b4ac2
MC		 9726static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9727{
9728 u32 nvcfg1;
9729
9730 nvcfg1 = tr32(NVRAM_CFG1);
9731
e6af301b
MC		 9732 /* NVRAM protection for TPM */
9733 if (nvcfg1 & (1 << 27))
9734 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9735
361b4ac2
MC		 9736 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9737 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9738 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9739 tp->nvram_jedecnum = JEDEC_ATMEL;
9740 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9741 break;
9742 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9743 tp->nvram_jedecnum = JEDEC_ATMEL;
9744 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9745 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9746 break;
9747 case FLASH_5752VENDOR_ST_M45PE10:
9748 case FLASH_5752VENDOR_ST_M45PE20:
9749 case FLASH_5752VENDOR_ST_M45PE40:
9750 tp->nvram_jedecnum = JEDEC_ST;
9751 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9752 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9753 break;
9754 }
9755
9756 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9757 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9758 case FLASH_5752PAGE_SIZE_256:
9759 tp->nvram_pagesize = 256;
9760 break;
9761 case FLASH_5752PAGE_SIZE_512:
9762 tp->nvram_pagesize = 512;
9763 break;
9764 case FLASH_5752PAGE_SIZE_1K:
9765 tp->nvram_pagesize = 1024;
9766 break;
9767 case FLASH_5752PAGE_SIZE_2K:
9768 tp->nvram_pagesize = 2048;
9769 break;
9770 case FLASH_5752PAGE_SIZE_4K:
9771 tp->nvram_pagesize = 4096;
9772 break;
9773 case FLASH_5752PAGE_SIZE_264:
9774 tp->nvram_pagesize = 264;
9775 break;
9776 }
9777 }
9778 else {
9779 /* For eeprom, set pagesize to maximum eeprom size */
9780 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9781
9782 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9783 tw32(NVRAM_CFG1, nvcfg1);
9784 }
9785}
9786
d3c7b886
MC		 9787static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9788{
989a9d23 9789 u32 nvcfg1, protect = 0;
d3c7b886
MC		 9790
9791 nvcfg1 = tr32(NVRAM_CFG1);
9792
9793 /* NVRAM protection for TPM */
989a9d23 9794 if (nvcfg1 & (1 << 27)) {
d3c7b886 9795 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
989a9d23
MC		 9796 protect = 1;
9797 }
d3c7b886 9798
989a9d23
MC		 9799 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9800 switch (nvcfg1) {
d3c7b886
MC		 9801 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9802 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9803 case FLASH_5755VENDOR_ATMEL_FLASH_3:
70b65a2d 9804 case FLASH_5755VENDOR_ATMEL_FLASH_5:
d3c7b886
MC		 9805 tp->nvram_jedecnum = JEDEC_ATMEL;
9806 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9807 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9808 tp->nvram_pagesize = 264;
70b65a2d
MC		 9809 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
9810 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
989a9d23
MC		 9811 tp->nvram_size = (protect ? 0x3e200 : 0x80000);
9812 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
9813 tp->nvram_size = (protect ? 0x1f200 : 0x40000);
9814 else
9815 tp->nvram_size = (protect ? 0x1f200 : 0x20000);
d3c7b886
MC		 9816 break;
9817 case FLASH_5752VENDOR_ST_M45PE10:
9818 case FLASH_5752VENDOR_ST_M45PE20:
9819 case FLASH_5752VENDOR_ST_M45PE40:
9820 tp->nvram_jedecnum = JEDEC_ST;
9821 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9822 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9823 tp->nvram_pagesize = 256;
989a9d23
MC		 9824 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
9825 tp->nvram_size = (protect ? 0x10000 : 0x20000);
9826 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
9827 tp->nvram_size = (protect ? 0x10000 : 0x40000);
9828 else
9829 tp->nvram_size = (protect ? 0x20000 : 0x80000);
d3c7b886
MC		 9830 break;
9831 }
9832}
9833
1b27777a
MC		 9834static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9835{
9836 u32 nvcfg1;
9837
9838 nvcfg1 = tr32(NVRAM_CFG1);
9839
9840 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9841 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9842 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9843 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9844 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9845 tp->nvram_jedecnum = JEDEC_ATMEL;
9846 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9847 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9848
9849 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9850 tw32(NVRAM_CFG1, nvcfg1);
9851 break;
9852 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9853 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9854 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9855 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9856 tp->nvram_jedecnum = JEDEC_ATMEL;
9857 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9858 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9859 tp->nvram_pagesize = 264;
9860 break;
9861 case FLASH_5752VENDOR_ST_M45PE10:
9862 case FLASH_5752VENDOR_ST_M45PE20:
9863 case FLASH_5752VENDOR_ST_M45PE40:
9864 tp->nvram_jedecnum = JEDEC_ST;
9865 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9866 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9867 tp->nvram_pagesize = 256;
9868 break;
9869 }
9870}
9871
6b91fa02
MC		 9872static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
9873{
9874 u32 nvcfg1, protect = 0;
9875
9876 nvcfg1 = tr32(NVRAM_CFG1);
9877
9878 /* NVRAM protection for TPM */
9879 if (nvcfg1 & (1 << 27)) {
9880 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9881 protect = 1;
9882 }
9883
9884 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9885 switch (nvcfg1) {
9886 case FLASH_5761VENDOR_ATMEL_ADB021D:
9887 case FLASH_5761VENDOR_ATMEL_ADB041D:
9888 case FLASH_5761VENDOR_ATMEL_ADB081D:
9889 case FLASH_5761VENDOR_ATMEL_ADB161D:
9890 case FLASH_5761VENDOR_ATMEL_MDB021D:
9891 case FLASH_5761VENDOR_ATMEL_MDB041D:
9892 case FLASH_5761VENDOR_ATMEL_MDB081D:
9893 case FLASH_5761VENDOR_ATMEL_MDB161D:
9894 tp->nvram_jedecnum = JEDEC_ATMEL;
9895 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9896 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9897 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
9898 tp->nvram_pagesize = 256;
9899 break;
9900 case FLASH_5761VENDOR_ST_A_M45PE20:
9901 case FLASH_5761VENDOR_ST_A_M45PE40:
9902 case FLASH_5761VENDOR_ST_A_M45PE80:
9903 case FLASH_5761VENDOR_ST_A_M45PE16:
9904 case FLASH_5761VENDOR_ST_M_M45PE20:
9905 case FLASH_5761VENDOR_ST_M_M45PE40:
9906 case FLASH_5761VENDOR_ST_M_M45PE80:
9907 case FLASH_5761VENDOR_ST_M_M45PE16:
9908 tp->nvram_jedecnum = JEDEC_ST;
9909 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9910 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9911 tp->nvram_pagesize = 256;
9912 break;
9913 }
9914
9915 if (protect) {
9916 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
9917 } else {
9918 switch (nvcfg1) {
9919 case FLASH_5761VENDOR_ATMEL_ADB161D:
9920 case FLASH_5761VENDOR_ATMEL_MDB161D:
9921 case FLASH_5761VENDOR_ST_A_M45PE16:
9922 case FLASH_5761VENDOR_ST_M_M45PE16:
9923 tp->nvram_size = 0x100000;
9924 break;
9925 case FLASH_5761VENDOR_ATMEL_ADB081D:
9926 case FLASH_5761VENDOR_ATMEL_MDB081D:
9927 case FLASH_5761VENDOR_ST_A_M45PE80:
9928 case FLASH_5761VENDOR_ST_M_M45PE80:
9929 tp->nvram_size = 0x80000;
9930 break;
9931 case FLASH_5761VENDOR_ATMEL_ADB041D:
9932 case FLASH_5761VENDOR_ATMEL_MDB041D:
9933 case FLASH_5761VENDOR_ST_A_M45PE40:
9934 case FLASH_5761VENDOR_ST_M_M45PE40:
9935 tp->nvram_size = 0x40000;
9936 break;
9937 case FLASH_5761VENDOR_ATMEL_ADB021D:
9938 case FLASH_5761VENDOR_ATMEL_MDB021D:
9939 case FLASH_5761VENDOR_ST_A_M45PE20:
9940 case FLASH_5761VENDOR_ST_M_M45PE20:
9941 tp->nvram_size = 0x20000;
9942 break;
9943 }
9944 }
9945}
9946
b5d3772c
MC		 9947static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9948{
9949 tp->nvram_jedecnum = JEDEC_ATMEL;
9950 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9951 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9952}
9953
1da177e4
LT		 9954/* Chips other than 5700/5701 use the NVRAM for fetching info. */
9955static void __devinit tg3_nvram_init(struct tg3 *tp)
9956{
1da177e4
LT		 9957 tw32_f(GRC_EEPROM_ADDR,
9958 (EEPROM_ADDR_FSM_RESET |
9959 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9960 EEPROM_ADDR_CLKPERD_SHIFT)));
9961
9d57f01c 9962 msleep(1);
1da177e4
LT		 9963
9964 /* Enable seeprom accesses. */
9965 tw32_f(GRC_LOCAL_CTRL,
9966 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9967 udelay(100);
9968
9969 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9970 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9971 tp->tg3_flags |= TG3_FLAG_NVRAM;
9972
ec41c7df
MC		 9973 if (tg3_nvram_lock(tp)) {
9974 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9975 "tg3_nvram_init failed.\n", tp->dev->name);
9976 return;
9977 }
e6af301b 9978 tg3_enable_nvram_access(tp);
1da177e4 9979
989a9d23
MC		 9980 tp->nvram_size = 0;
9981
361b4ac2
MC		 9982 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9983 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 9984 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9985 tg3_get_5755_nvram_info(tp);
d30cdd28
MC		 9986 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9987 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
1b27777a 9988 tg3_get_5787_nvram_info(tp);
6b91fa02
MC		 9989 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
9990 tg3_get_5761_nvram_info(tp);
b5d3772c
MC		 9991 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9992 tg3_get_5906_nvram_info(tp);
361b4ac2
MC		 9993 else
9994 tg3_get_nvram_info(tp);
9995
989a9d23
MC		 9996 if (tp->nvram_size == 0)
9997 tg3_get_nvram_size(tp);
1da177e4 9998
e6af301b 9999 tg3_disable_nvram_access(tp);
381291b7 10000 tg3_nvram_unlock(tp);
1da177e4
LT		 10001
10002 } else {
10003 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
10004
10005 tg3_get_eeprom_size(tp);
10006 }
10007}
10008
10009static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
10010 u32 offset, u32 *val)
10011{
10012 u32 tmp;
10013 int i;
10014
10015 if (offset > EEPROM_ADDR_ADDR_MASK ||
10016 (offset % 4) != 0)
10017 return -EINVAL;
10018
10019 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
10020 EEPROM_ADDR_DEVID_MASK |
10021 EEPROM_ADDR_READ);
10022 tw32(GRC_EEPROM_ADDR,
10023 tmp |
10024 (0 << EEPROM_ADDR_DEVID_SHIFT) |
10025 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
10026 EEPROM_ADDR_ADDR_MASK) |
10027 EEPROM_ADDR_READ | EEPROM_ADDR_START);
10028
9d57f01c 10029 for (i = 0; i < 1000; i++) {
1da177e4
LT		 10030 tmp = tr32(GRC_EEPROM_ADDR);
10031
10032 if (tmp & EEPROM_ADDR_COMPLETE)
10033 break;
9d57f01c 10034 msleep(1);
1da177e4
LT		 10035 }
10036 if (!(tmp & EEPROM_ADDR_COMPLETE))
10037 return -EBUSY;
10038
10039 *val = tr32(GRC_EEPROM_DATA);
10040 return 0;
10041}
10042
10043#define NVRAM_CMD_TIMEOUT 10000
10044
10045static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
10046{
10047 int i;
10048
10049 tw32(NVRAM_CMD, nvram_cmd);
10050 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
10051 udelay(10);
10052 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
10053 udelay(10);
10054 break;
10055 }
10056 }
10057 if (i == NVRAM_CMD_TIMEOUT) {
10058 return -EBUSY;
10059 }
10060 return 0;
10061}
10062
1820180b
MC		 10063static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
10064{
10065 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
10066 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
10067 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
6b91fa02 10068 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
1820180b
MC		 10069 (tp->nvram_jedecnum == JEDEC_ATMEL))
10070
10071 addr = ((addr / tp->nvram_pagesize) <<
10072 ATMEL_AT45DB0X1B_PAGE_POS) +
10073 (addr % tp->nvram_pagesize);
10074
10075 return addr;
10076}
10077
c4e6575c
MC		 10078static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
10079{
10080 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
10081 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
10082 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
6b91fa02 10083 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
c4e6575c
MC		 10084 (tp->nvram_jedecnum == JEDEC_ATMEL))
10085
10086 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
10087 tp->nvram_pagesize) +
10088 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
10089
10090 return addr;
10091}
10092
1da177e4
LT		 10093static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
10094{
10095 int ret;
10096
1da177e4
LT		 10097 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
10098 return tg3_nvram_read_using_eeprom(tp, offset, val);
10099
1820180b 10100 offset = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 10101
10102 if (offset > NVRAM_ADDR_MSK)
10103 return -EINVAL;
10104
ec41c7df
MC		 10105 ret = tg3_nvram_lock(tp);
10106 if (ret)
10107 return ret;
1da177e4 10108
e6af301b 10109 tg3_enable_nvram_access(tp);
1da177e4
LT		 10110
10111 tw32(NVRAM_ADDR, offset);
10112 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
10113 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
10114
10115 if (ret == 0)
10116 *val = swab32(tr32(NVRAM_RDDATA));
10117
e6af301b 10118 tg3_disable_nvram_access(tp);
1da177e4 10119
381291b7
MC		 10120 tg3_nvram_unlock(tp);
10121
1da177e4
LT		 10122 return ret;
10123}
10124
1820180b
MC		 10125static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
10126{
10127 int err;
10128 u32 tmp;
10129
10130 err = tg3_nvram_read(tp, offset, &tmp);
10131 *val = swab32(tmp);
10132 return err;
10133}
10134
1da177e4
LT		 10135static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10136 u32 offset, u32 len, u8 *buf)
10137{
10138 int i, j, rc = 0;
10139 u32 val;
10140
10141 for (i = 0; i < len; i += 4) {
10142 u32 addr, data;
10143
10144 addr = offset + i;
10145
10146 memcpy(&data, buf + i, 4);
10147
10148 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
10149
10150 val = tr32(GRC_EEPROM_ADDR);
10151 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10152
10153 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10154 EEPROM_ADDR_READ);
10155 tw32(GRC_EEPROM_ADDR, val |
10156 (0 << EEPROM_ADDR_DEVID_SHIFT) |
10157 (addr & EEPROM_ADDR_ADDR_MASK) |
10158 EEPROM_ADDR_START |
10159 EEPROM_ADDR_WRITE);
6aa20a22 10160
9d57f01c 10161 for (j = 0; j < 1000; j++) {
1da177e4
LT		 10162 val = tr32(GRC_EEPROM_ADDR);
10163
10164 if (val & EEPROM_ADDR_COMPLETE)
10165 break;
9d57f01c 10166 msleep(1);
1da177e4
LT		 10167 }
10168 if (!(val & EEPROM_ADDR_COMPLETE)) {
10169 rc = -EBUSY;
10170 break;
10171 }
10172 }
10173
10174 return rc;
10175}
10176
10177/* offset and length are dword aligned */
10178static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
10179 u8 *buf)
10180{
10181 int ret = 0;
10182 u32 pagesize = tp->nvram_pagesize;
10183 u32 pagemask = pagesize - 1;
10184 u32 nvram_cmd;
10185 u8 *tmp;
10186
10187 tmp = kmalloc(pagesize, GFP_KERNEL);
10188 if (tmp == NULL)
10189 return -ENOMEM;
10190
10191 while (len) {
10192 int j;
e6af301b 10193 u32 phy_addr, page_off, size;
1da177e4
LT		 10194
10195 phy_addr = offset & ~pagemask;
6aa20a22 10196
1da177e4
LT		 10197 for (j = 0; j < pagesize; j += 4) {
10198 if ((ret = tg3_nvram_read(tp, phy_addr + j,
10199 (u32 *) (tmp + j))))
10200 break;
10201 }
10202 if (ret)
10203 break;
10204
10205 page_off = offset & pagemask;
10206 size = pagesize;
10207 if (len < size)
10208 size = len;
10209
10210 len -= size;
10211
10212 memcpy(tmp + page_off, buf, size);
10213
10214 offset = offset + (pagesize - page_off);
10215
e6af301b 10216 tg3_enable_nvram_access(tp);
1da177e4
LT		 10217
10218 /*
10219 * Before we can erase the flash page, we need
10220 * to issue a special "write enable" command.
10221 */
10222 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10223
10224 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10225 break;
10226
10227 /* Erase the target page */
10228 tw32(NVRAM_ADDR, phy_addr);
10229
10230 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
10231 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
10232
10233 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10234 break;
10235
10236 /* Issue another write enable to start the write. */
10237 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10238
10239 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10240 break;
10241
10242 for (j = 0; j < pagesize; j += 4) {
10243 u32 data;
10244
10245 data = *((u32 *) (tmp + j));
10246 tw32(NVRAM_WRDATA, cpu_to_be32(data));
10247
10248 tw32(NVRAM_ADDR, phy_addr + j);
10249
10250 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
10251 NVRAM_CMD_WR;
10252
10253 if (j == 0)
10254 nvram_cmd |= NVRAM_CMD_FIRST;
10255 else if (j == (pagesize - 4))
10256 nvram_cmd |= NVRAM_CMD_LAST;
10257
10258 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10259 break;
10260 }
10261 if (ret)
10262 break;
10263 }
10264
10265 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10266 tg3_nvram_exec_cmd(tp, nvram_cmd);
10267
10268 kfree(tmp);
10269
10270 return ret;
10271}
10272
10273/* offset and length are dword aligned */
10274static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
10275 u8 *buf)
10276{
10277 int i, ret = 0;
10278
10279 for (i = 0; i < len; i += 4, offset += 4) {
10280 u32 data, page_off, phy_addr, nvram_cmd;
10281
10282 memcpy(&data, buf + i, 4);
10283 tw32(NVRAM_WRDATA, cpu_to_be32(data));
10284
10285 page_off = offset % tp->nvram_pagesize;
10286
1820180b 10287 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 10288
10289 tw32(NVRAM_ADDR, phy_addr);
10290
10291 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
10292
10293 if ((page_off == 0) || (i == 0))
10294 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 10295 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 10296 nvram_cmd |= NVRAM_CMD_LAST;
10297
10298 if (i == (len - 4))
10299 nvram_cmd |= NVRAM_CMD_LAST;
10300
4c987487 10301 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
af36e6b6 10302 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
1b27777a 10303 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
d30cdd28 10304 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784) &&
9936bcf6 10305 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) &&
4c987487
MC		 10306 (tp->nvram_jedecnum == JEDEC_ST) &&
10307 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 10308
10309 if ((ret = tg3_nvram_exec_cmd(tp,
10310 NVRAM_CMD_WREN | NVRAM_CMD_GO |
10311 NVRAM_CMD_DONE)))
10312
10313 break;
10314 }
10315 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10316 /* We always do complete word writes to eeprom. */
10317 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
10318 }
10319
10320 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10321 break;
10322 }
10323 return ret;
10324}
10325
10326/* offset and length are dword aligned */
10327static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
10328{
10329 int ret;
10330
1da177e4 10331 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 10332 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
10333 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 10334 udelay(40);
10335 }
10336
10337 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
10338 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
10339 }
10340 else {
10341 u32 grc_mode;
10342
ec41c7df
MC		 10343 ret = tg3_nvram_lock(tp);
10344 if (ret)
10345 return ret;
1da177e4 10346
e6af301b
MC		 10347 tg3_enable_nvram_access(tp);
10348 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
10349 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
1da177e4 10350 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 10351
10352 grc_mode = tr32(GRC_MODE);
10353 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
10354
10355 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
10356 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10357
10358 ret = tg3_nvram_write_block_buffered(tp, offset, len,
10359 buf);
10360 }
10361 else {
10362 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
10363 buf);
10364 }
10365
10366 grc_mode = tr32(GRC_MODE);
10367 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
10368
e6af301b 10369 tg3_disable_nvram_access(tp);
1da177e4
LT		 10370 tg3_nvram_unlock(tp);
10371 }
10372
10373 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 10374 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 10375 udelay(40);
10376 }
10377
10378 return ret;
10379}
10380
10381struct subsys_tbl_ent {
10382 u16 subsys_vendor, subsys_devid;
10383 u32 phy_id;
10384};
10385
10386static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
10387 /* Broadcom boards. */
10388 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
10389 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
10390 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
10391 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
10392 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
10393 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
10394 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
10395 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
10396 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
10397 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
10398 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
10399
10400 /* 3com boards. */
10401 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10402 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10403 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
10404 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10405 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10406
10407 /* DELL boards. */
10408 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10409 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10410 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10411 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10412
10413 /* Compaq boards. */
10414 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10415 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10416 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
10417 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10418 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10419
10420 /* IBM boards. */
10421 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10422};
10423
10424static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10425{
10426 int i;
10427
10428 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10429 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10430 tp->pdev->subsystem_vendor) &&
10431 (subsys_id_to_phy_id[i].subsys_devid ==
10432 tp->pdev->subsystem_device))
10433 return &subsys_id_to_phy_id[i];
10434 }
10435 return NULL;
10436}
10437
7d0c41ef 10438static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 10439{
1da177e4 10440 u32 val;
caf636c7
MC		 10441 u16 pmcsr;
10442
10443 /* On some early chips the SRAM cannot be accessed in D3hot state,
10444 * so need make sure we're in D0.
10445 */
10446 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10447 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10448 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10449 msleep(1);
7d0c41ef
MC		 10450
10451 /* Make sure register accesses (indirect or otherwise)
10452 * will function correctly.
10453 */
10454 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10455 tp->misc_host_ctrl);
1da177e4 10456
f49639e6
DM		 10457 /* The memory arbiter has to be enabled in order for SRAM accesses
10458 * to succeed. Normally on powerup the tg3 chip firmware will make
10459 * sure it is enabled, but other entities such as system netboot
10460 * code might disable it.
10461 */
10462 val = tr32(MEMARB_MODE);
10463 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10464
1da177e4 10465 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 10466 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10467
a85feb8c
GZ		 10468 /* Assume an onboard device and WOL capable by default. */
10469 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
72b845e0 10470
b5d3772c 10471 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 10472 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 10473 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10474 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10475 }
0527ba35
MC		 10476 val = tr32(VCPU_CFGSHDW);
10477 if (val & VCPU_CFGSHDW_ASPM_DBNC)
8ed5d97e 10478 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
0527ba35
MC		 10479 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
10480 (val & VCPU_CFGSHDW_WOL_MAGPKT))
10481 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
b5d3772c
MC		 10482 return;
10483 }
10484
1da177e4
LT		 10485 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
10486 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
10487 u32 nic_cfg, led_cfg;
7d0c41ef
MC		 10488 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10489 int eeprom_phy_serdes = 0;
1da177e4
LT		 10490
10491 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10492 tp->nic_sram_data_cfg = nic_cfg;
10493
10494 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10495 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10496 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10497 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10498 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10499 (ver > 0) && (ver < 0x100))
10500 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10501
1da177e4
LT		 10502 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10503 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10504 eeprom_phy_serdes = 1;
10505
10506 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10507 if (nic_phy_id != 0) {
10508 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10509 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10510
10511 eeprom_phy_id = (id1 >> 16) << 10;
10512 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10513 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10514 } else
10515 eeprom_phy_id = 0;
10516
7d0c41ef 10517 tp->phy_id = eeprom_phy_id;
747e8f8b 10518 if (eeprom_phy_serdes) {
a4e2b347 10519 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 10520 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10521 else
10522 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10523 }
7d0c41ef 10524
cbf46853 10525 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10526 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10527 SHASTA_EXT_LED_MODE_MASK);
cbf46853 10528 else
1da177e4
LT		 10529 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10530
10531 switch (led_cfg) {
10532 default:
10533 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10534 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10535 break;
10536
10537 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10538 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10539 break;
10540
10541 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10542 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 10543
10544 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10545 * read on some older 5700/5701 bootcode.
10546 */
10547 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10548 ASIC_REV_5700 ||
10549 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10550 ASIC_REV_5701)
10551 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10552
1da177e4
LT		 10553 break;
10554
10555 case SHASTA_EXT_LED_SHARED:
10556 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10557 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10558 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10559 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10560 LED_CTRL_MODE_PHY_2);
10561 break;
10562
10563 case SHASTA_EXT_LED_MAC:
10564 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10565 break;
10566
10567 case SHASTA_EXT_LED_COMBO:
10568 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10569 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10570 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10571 LED_CTRL_MODE_PHY_2);
10572 break;
10573
10574 };
10575
10576 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10577 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10578 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10579 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10580
9d26e213 10581 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 10582 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10583 if ((tp->pdev->subsystem_vendor ==
10584 PCI_VENDOR_ID_ARIMA) &&
10585 (tp->pdev->subsystem_device == 0x205a ||
10586 tp->pdev->subsystem_device == 0x2063))
10587 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10588 } else {
f49639e6 10589 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10590 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10591 }
1da177e4
LT		 10592
10593 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10594 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 10595 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10596 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10597 }
0d3031d9
MC		 10598 if (nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE)
10599 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
a85feb8c
GZ		 10600 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
10601 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
10602 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
1da177e4 10603
0527ba35
MC		 10604 if (tp->tg3_flags & TG3_FLAG_WOL_CAP &&
10605 nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)
10606 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
10607
1da177e4
LT		 10608 if (cfg2 & (1 << 17))
10609 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10610
10611 /* serdes signal pre-emphasis in register 0x590 set by */
10612 /* bootcode if bit 18 is set */
10613 if (cfg2 & (1 << 18))
10614 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
8ed5d97e
MC		 10615
10616 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10617 u32 cfg3;
10618
10619 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
10620 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
10621 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10622 }
1da177e4 10623 }
7d0c41ef
MC		 10624}
10625
10626static int __devinit tg3_phy_probe(struct tg3 *tp)
10627{
10628 u32 hw_phy_id_1, hw_phy_id_2;
10629 u32 hw_phy_id, hw_phy_id_masked;
10630 int err;
1da177e4
LT		 10631
10632 /* Reading the PHY ID register can conflict with ASF
10633 * firwmare access to the PHY hardware.
10634 */
10635 err = 0;
0d3031d9
MC		 10636 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
10637 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
1da177e4
LT		 10638 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10639 } else {
10640 /* Now read the physical PHY_ID from the chip and verify
10641 * that it is sane. If it doesn't look good, we fall back
10642 * to either the hard-coded table based PHY_ID and failing
10643 * that the value found in the eeprom area.
10644 */
10645 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10646 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10647
10648 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10649 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10650 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10651
10652 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10653 }
10654
10655 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10656 tp->phy_id = hw_phy_id;
10657 if (hw_phy_id_masked == PHY_ID_BCM8002)
10658 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 10659 else
10660 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 10661 } else {
7d0c41ef
MC		 10662 if (tp->phy_id != PHY_ID_INVALID) {
10663 /* Do nothing, phy ID already set up in
10664 * tg3_get_eeprom_hw_cfg().
10665 */
1da177e4
LT		 10666 } else {
10667 struct subsys_tbl_ent *p;
10668
10669 /* No eeprom signature? Try the hardcoded
10670 * subsys device table.
10671 */
10672 p = lookup_by_subsys(tp);
10673 if (!p)
10674 return -ENODEV;
10675
10676 tp->phy_id = p->phy_id;
10677 if (!tp->phy_id ||
10678 tp->phy_id == PHY_ID_BCM8002)
10679 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10680 }
10681 }
10682
747e8f8b 10683 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
0d3031d9 10684 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
1da177e4 10685 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 10686 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 10687
10688 tg3_readphy(tp, MII_BMSR, &bmsr);
10689 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10690 (bmsr & BMSR_LSTATUS))
10691 goto skip_phy_reset;
6aa20a22 10692
1da177e4
LT		 10693 err = tg3_phy_reset(tp);
10694 if (err)
10695 return err;
10696
10697 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10698 ADVERTISE_100HALF | ADVERTISE_100FULL |
10699 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10700 tg3_ctrl = 0;
10701 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10702 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10703 MII_TG3_CTRL_ADV_1000_FULL);
10704 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10705 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10706 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10707 MII_TG3_CTRL_ENABLE_AS_MASTER);
10708 }
10709
3600d918
MC		 10710 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10711 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10712 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10713 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 10714 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10715
10716 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10717 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10718
10719 tg3_writephy(tp, MII_BMCR,
10720 BMCR_ANENABLE | BMCR_ANRESTART);
10721 }
10722 tg3_phy_set_wirespeed(tp);
10723
10724 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10725 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10726 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10727 }
10728
10729skip_phy_reset:
10730 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10731 err = tg3_init_5401phy_dsp(tp);
10732 if (err)
10733 return err;
10734 }
10735
10736 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10737 err = tg3_init_5401phy_dsp(tp);
10738 }
10739
747e8f8b 10740 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 10741 tp->link_config.advertising =
10742 (ADVERTISED_1000baseT_Half |
10743 ADVERTISED_1000baseT_Full |
10744 ADVERTISED_Autoneg |
10745 ADVERTISED_FIBRE);
10746 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10747 tp->link_config.advertising &=
10748 ~(ADVERTISED_1000baseT_Half |
10749 ADVERTISED_1000baseT_Full);
10750
10751 return err;
10752}
10753
10754static void __devinit tg3_read_partno(struct tg3 *tp)
10755{
10756 unsigned char vpd_data[256];
af2c6a4a 10757 unsigned int i;
1b27777a 10758 u32 magic;
1da177e4 10759
1820180b 10760 if (tg3_nvram_read_swab(tp, 0x0, &magic))
f49639e6 10761 goto out_not_found;
1da177e4 10762
1820180b 10763 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 10764 for (i = 0; i < 256; i += 4) {
10765 u32 tmp;
1da177e4 10766
1b27777a
MC		 10767 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10768 goto out_not_found;
10769
10770 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10771 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10772 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10773 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10774 }
10775 } else {
10776 int vpd_cap;
10777
10778 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10779 for (i = 0; i < 256; i += 4) {
10780 u32 tmp, j = 0;
10781 u16 tmp16;
10782
10783 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10784 i);
10785 while (j++ < 100) {
10786 pci_read_config_word(tp->pdev, vpd_cap +
10787 PCI_VPD_ADDR, &tmp16);
10788 if (tmp16 & 0x8000)
10789 break;
10790 msleep(1);
10791 }
f49639e6
DM		 10792 if (!(tmp16 & 0x8000))
10793 goto out_not_found;
10794
1b27777a
MC		 10795 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10796 &tmp);
10797 tmp = cpu_to_le32(tmp);
10798 memcpy(&vpd_data[i], &tmp, 4);
10799 }
1da177e4
LT		 10800 }
10801
10802 /* Now parse and find the part number. */
af2c6a4a 10803 for (i = 0; i < 254; ) {
1da177e4 10804 unsigned char val = vpd_data[i];
af2c6a4a 10805 unsigned int block_end;
1da177e4
LT		 10806
10807 if (val == 0x82 || val == 0x91) {
10808 i = (i + 3 +
10809 (vpd_data[i + 1] +
10810 (vpd_data[i + 2] << 8)));
10811 continue;
10812 }
10813
10814 if (val != 0x90)
10815 goto out_not_found;
10816
10817 block_end = (i + 3 +
10818 (vpd_data[i + 1] +
10819 (vpd_data[i + 2] << 8)));
10820 i += 3;
af2c6a4a
MC		 10821
10822 if (block_end > 256)
10823 goto out_not_found;
10824
10825 while (i < (block_end - 2)) {
1da177e4
LT		 10826 if (vpd_data[i + 0] == 'P' &&
10827 vpd_data[i + 1] == 'N') {
10828 int partno_len = vpd_data[i + 2];
10829
af2c6a4a
MC		 10830 i += 3;
10831 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 10832 goto out_not_found;
10833
10834 memcpy(tp->board_part_number,
af2c6a4a 10835 &vpd_data[i], partno_len);
1da177e4
LT		 10836
10837 /* Success. */
10838 return;
10839 }
af2c6a4a 10840 i += 3 + vpd_data[i + 2];
1da177e4
LT		 10841 }
10842
10843 /* Part number not found. */
10844 goto out_not_found;
10845 }
10846
10847out_not_found:
b5d3772c
MC		 10848 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10849 strcpy(tp->board_part_number, "BCM95906");
10850 else
10851 strcpy(tp->board_part_number, "none");
1da177e4
LT		 10852}
10853
9c8a620e
MC		 10854static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
10855{
10856 u32 val;
10857
10858 if (tg3_nvram_read_swab(tp, offset, &val) ||
10859 (val & 0xfc000000) != 0x0c000000 ||
10860 tg3_nvram_read_swab(tp, offset + 4, &val) ||
10861 val != 0)
10862 return 0;
10863
10864 return 1;
10865}
10866
c4e6575c
MC		 10867static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10868{
10869 u32 val, offset, start;
9c8a620e
MC		 10870 u32 ver_offset;
10871 int i, bcnt;
c4e6575c
MC		 10872
10873 if (tg3_nvram_read_swab(tp, 0, &val))
10874 return;
10875
10876 if (val != TG3_EEPROM_MAGIC)
10877 return;
10878
10879 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10880 tg3_nvram_read_swab(tp, 0x4, &start))
10881 return;
10882
10883 offset = tg3_nvram_logical_addr(tp, offset);
9c8a620e
MC		 10884
10885 if (!tg3_fw_img_is_valid(tp, offset) ||
10886 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
c4e6575c
MC		 10887 return;
10888
9c8a620e
MC		 10889 offset = offset + ver_offset - start;
10890 for (i = 0; i < 16; i += 4) {
10891 if (tg3_nvram_read(tp, offset + i, &val))
10892 return;
10893
10894 val = le32_to_cpu(val);
10895 memcpy(tp->fw_ver + i, &val, 4);
10896 }
c4e6575c 10897
9c8a620e 10898 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
84af67fd 10899 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
9c8a620e
MC		 10900 return;
10901
10902 for (offset = TG3_NVM_DIR_START;
10903 offset < TG3_NVM_DIR_END;
10904 offset += TG3_NVM_DIRENT_SIZE) {
10905 if (tg3_nvram_read_swab(tp, offset, &val))
c4e6575c
MC		 10906 return;
10907
9c8a620e
MC		 10908 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
10909 break;
10910 }
10911
10912 if (offset == TG3_NVM_DIR_END)
10913 return;
10914
10915 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10916 start = 0x08000000;
10917 else if (tg3_nvram_read_swab(tp, offset - 4, &start))
10918 return;
10919
10920 if (tg3_nvram_read_swab(tp, offset + 4, &offset) ||
10921 !tg3_fw_img_is_valid(tp, offset) ||
10922 tg3_nvram_read_swab(tp, offset + 8, &val))
10923 return;
10924
10925 offset += val - start;
10926
10927 bcnt = strlen(tp->fw_ver);
10928
10929 tp->fw_ver[bcnt++] = ',';
10930 tp->fw_ver[bcnt++] = ' ';
10931
10932 for (i = 0; i < 4; i++) {
10933 if (tg3_nvram_read(tp, offset, &val))
c4e6575c
MC		 10934 return;
10935
9c8a620e
MC		 10936 val = le32_to_cpu(val);
10937 offset += sizeof(val);
c4e6575c 10938
9c8a620e
MC		 10939 if (bcnt > TG3_VER_SIZE - sizeof(val)) {
10940 memcpy(&tp->fw_ver[bcnt], &val, TG3_VER_SIZE - bcnt);
10941 break;
c4e6575c 10942 }
9c8a620e
MC		 10943
10944 memcpy(&tp->fw_ver[bcnt], &val, sizeof(val));
10945 bcnt += sizeof(val);
c4e6575c 10946 }
9c8a620e
MC		 10947
10948 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
c4e6575c
MC		 10949}
10950
7544b097
MC		 10951static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
10952
1da177e4
LT		 10953static int __devinit tg3_get_invariants(struct tg3 *tp)
10954{
10955 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 10956 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10957 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 10958 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10959 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 10960 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10961 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 10962 { },
10963 };
10964 u32 misc_ctrl_reg;
10965 u32 cacheline_sz_reg;
10966 u32 pci_state_reg, grc_misc_cfg;
10967 u32 val;
10968 u16 pci_cmd;
c7835a77 10969 int err, pcie_cap;
1da177e4 10970
1da177e4
LT		 10971 /* Force memory write invalidate off. If we leave it on,
10972 * then on 5700_BX chips we have to enable a workaround.
10973 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10974 * to match the cacheline size. The Broadcom driver have this
10975 * workaround but turns MWI off all the times so never uses
10976 * it. This seems to suggest that the workaround is insufficient.
10977 */
10978 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10979 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10980 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10981
10982 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10983 * has the register indirect write enable bit set before
10984 * we try to access any of the MMIO registers. It is also
10985 * critical that the PCI-X hw workaround situation is decided
10986 * before that as well.
10987 */
10988 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10989 &misc_ctrl_reg);
10990
10991 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10992 MISC_HOST_CTRL_CHIPREV_SHIFT);
795d01c5
MC		 10993 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
10994 u32 prod_id_asic_rev;
10995
10996 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
10997 &prod_id_asic_rev);
10998 tp->pci_chip_rev_id = prod_id_asic_rev & PROD_ID_ASIC_REV_MASK;
10999 }
1da177e4 11000
ff645bec
MC		 11001 /* Wrong chip ID in 5752 A0. This code can be removed later
11002 * as A0 is not in production.
11003 */
11004 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
11005 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
11006
6892914f
MC		 11007 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
11008 * we need to disable memory and use config. cycles
11009 * only to access all registers. The 5702/03 chips
11010 * can mistakenly decode the special cycles from the
11011 * ICH chipsets as memory write cycles, causing corruption
11012 * of register and memory space. Only certain ICH bridges
11013 * will drive special cycles with non-zero data during the
11014 * address phase which can fall within the 5703's address
11015 * range. This is not an ICH bug as the PCI spec allows
11016 * non-zero address during special cycles. However, only
11017 * these ICH bridges are known to drive non-zero addresses
11018 * during special cycles.
11019 *
11020 * Since special cycles do not cross PCI bridges, we only
11021 * enable this workaround if the 5703 is on the secondary
11022 * bus of these ICH bridges.
11023 */
11024 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
11025 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
11026 static struct tg3_dev_id {
11027 u32 vendor;
11028 u32 device;
11029 u32 rev;
11030 } ich_chipsets[] = {
11031 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
11032 PCI_ANY_ID },
11033 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
11034 PCI_ANY_ID },
11035 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
11036 0xa },
11037 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
11038 PCI_ANY_ID },
11039 { },
11040 };
11041 struct tg3_dev_id *pci_id = &ich_chipsets[0];
11042 struct pci_dev *bridge = NULL;
11043
11044 while (pci_id->vendor != 0) {
11045 bridge = pci_get_device(pci_id->vendor, pci_id->device,
11046 bridge);
11047 if (!bridge) {
11048 pci_id++;
11049 continue;
11050 }
11051 if (pci_id->rev != PCI_ANY_ID) {
44c10138 11052 if (bridge->revision > pci_id->rev)
6892914f
MC		 11053 continue;
11054 }
11055 if (bridge->subordinate &&
11056 (bridge->subordinate->number ==
11057 tp->pdev->bus->number)) {
11058
11059 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
11060 pci_dev_put(bridge);
11061 break;
11062 }
11063 }
11064 }
11065
4a29cc2e
MC		 11066 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
11067 * DMA addresses > 40-bit. This bridge may have other additional
11068 * 57xx devices behind it in some 4-port NIC designs for example.
11069 * Any tg3 device found behind the bridge will also need the 40-bit
11070 * DMA workaround.
11071 */
a4e2b347
MC		 11072 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
11073 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11074 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 11075 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 11076 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 11077 }
4a29cc2e
MC		 11078 else {
11079 struct pci_dev *bridge = NULL;
11080
11081 do {
11082 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
11083 PCI_DEVICE_ID_SERVERWORKS_EPB,
11084 bridge);
11085 if (bridge && bridge->subordinate &&
11086 (bridge->subordinate->number <=
11087 tp->pdev->bus->number) &&
11088 (bridge->subordinate->subordinate >=
11089 tp->pdev->bus->number)) {
11090 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11091 pci_dev_put(bridge);
11092 break;
11093 }
11094 } while (bridge);
11095 }
4cf78e4f 11096
1da177e4
LT		 11097 /* Initialize misc host control in PCI block. */
11098 tp->misc_host_ctrl |= (misc_ctrl_reg &
11099 MISC_HOST_CTRL_CHIPREV);
11100 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11101 tp->misc_host_ctrl);
11102
11103 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
11104 &cacheline_sz_reg);
11105
11106 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
11107 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
11108 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
11109 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
11110
7544b097
MC		 11111 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11112 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11113 tp->pdev_peer = tg3_find_peer(tp);
11114
6708e5cc 11115 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
4cf78e4f 11116 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 11117 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 11118 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
d30cdd28 11119 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9936bcf6 11120 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
b5d3772c 11121 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
a4e2b347 11122 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 11123 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
11124
1b440c56
JL		 11125 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
11126 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11127 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
11128
5a6f3074 11129 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7544b097
MC		 11130 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
11131 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
11132 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
11133 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
11134 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
11135 tp->pdev_peer == tp->pdev))
11136 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
11137
af36e6b6 11138 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c 11139 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
d30cdd28 11140 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9936bcf6 11141 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
b5d3772c 11142 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5a6f3074 11143 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
fcfa0a32 11144 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83 11145 } else {
7f62ad5d 11146 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
52c0fd83
MC		 11147 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11148 ASIC_REV_5750 &&
11149 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
7f62ad5d 11150 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
52c0fd83 11151 }
5a6f3074 11152 }
1da177e4 11153
0f893dc6
MC		 11154 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
11155 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
d9ab5ad1 11156 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
af36e6b6 11157 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
b5d3772c 11158 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
d30cdd28 11159 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
9936bcf6 11160 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
b5d3772c 11161 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
0f893dc6
MC		 11162 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
11163
c7835a77
MC		 11164 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
11165 if (pcie_cap != 0) {
1da177e4 11166 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
c7835a77
MC		 11167 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11168 u16 lnkctl;
11169
11170 pci_read_config_word(tp->pdev,
11171 pcie_cap + PCI_EXP_LNKCTL,
11172 &lnkctl);
11173 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
11174 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
11175 }
11176 }
1da177e4 11177
399de50b
MC		 11178 /* If we have an AMD 762 or VIA K8T800 chipset, write
11179 * reordering to the mailbox registers done by the host
11180 * controller can cause major troubles. We read back from
11181 * every mailbox register write to force the writes to be
11182 * posted to the chip in order.
11183 */
11184 if (pci_dev_present(write_reorder_chipsets) &&
11185 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11186 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
11187
1da177e4
LT		 11188 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11189 tp->pci_lat_timer < 64) {
11190 tp->pci_lat_timer = 64;
11191
11192 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
11193 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
11194 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
11195 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
11196
11197 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
11198 cacheline_sz_reg);
11199 }
11200
9974a356
MC		 11201 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11202 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11203 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
11204 if (!tp->pcix_cap) {
11205 printk(KERN_ERR PFX "Cannot find PCI-X "
11206 "capability, aborting.\n");
11207 return -EIO;
11208 }
11209 }
11210
1da177e4
LT		 11211 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11212 &pci_state_reg);
11213
9974a356 11214 if (tp->pcix_cap && (pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
1da177e4
LT		 11215 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
11216
11217 /* If this is a 5700 BX chipset, and we are in PCI-X
11218 * mode, enable register write workaround.
11219 *
11220 * The workaround is to use indirect register accesses
11221 * for all chip writes not to mailbox registers.
11222 */
11223 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
11224 u32 pm_reg;
1da177e4
LT		 11225
11226 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
11227
11228 /* The chip can have it's power management PCI config
11229 * space registers clobbered due to this bug.
11230 * So explicitly force the chip into D0 here.
11231 */
9974a356
MC		 11232 pci_read_config_dword(tp->pdev,
11233 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 11234 &pm_reg);
11235 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
11236 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
9974a356
MC		 11237 pci_write_config_dword(tp->pdev,
11238 tp->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 11239 pm_reg);
11240
11241 /* Also, force SERR#/PERR# in PCI command. */
11242 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11243 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
11244 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11245 }
11246 }
11247
087fe256
MC		 11248 /* 5700 BX chips need to have their TX producer index mailboxes
11249 * written twice to workaround a bug.
11250 */
11251 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
11252 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
11253
1da177e4
LT		 11254 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
11255 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
11256 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
11257 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
11258
11259 /* Chip-specific fixup from Broadcom driver */
11260 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
11261 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
11262 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
11263 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
11264 }
11265
1ee582d8 11266 /* Default fast path register access methods */
20094930 11267 tp->read32 = tg3_read32;
1ee582d8 11268 tp->write32 = tg3_write32;
09ee929c 11269 tp->read32_mbox = tg3_read32;
20094930 11270 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 11271 tp->write32_tx_mbox = tg3_write32;
11272 tp->write32_rx_mbox = tg3_write32;
11273
11274 /* Various workaround register access methods */
11275 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
11276 tp->write32 = tg3_write_indirect_reg32;
98efd8a6
MC		 11277 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11278 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
11279 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
11280 /*
11281 * Back to back register writes can cause problems on these
11282 * chips, the workaround is to read back all reg writes
11283 * except those to mailbox regs.
11284 *
11285 * See tg3_write_indirect_reg32().
11286 */
1ee582d8 11287 tp->write32 = tg3_write_flush_reg32;
98efd8a6
MC		 11288 }
11289
1ee582d8
MC		 11290
11291 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
11292 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
11293 tp->write32_tx_mbox = tg3_write32_tx_mbox;
11294 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
11295 tp->write32_rx_mbox = tg3_write_flush_reg32;
11296 }
20094930 11297
6892914f
MC		 11298 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
11299 tp->read32 = tg3_read_indirect_reg32;
11300 tp->write32 = tg3_write_indirect_reg32;
11301 tp->read32_mbox = tg3_read_indirect_mbox;
11302 tp->write32_mbox = tg3_write_indirect_mbox;
11303 tp->write32_tx_mbox = tg3_write_indirect_mbox;
11304 tp->write32_rx_mbox = tg3_write_indirect_mbox;
11305
11306 iounmap(tp->regs);
22abe310 11307 tp->regs = NULL;
6892914f
MC		 11308
11309 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11310 pci_cmd &= ~PCI_COMMAND_MEMORY;
11311 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11312 }
b5d3772c
MC		 11313 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11314 tp->read32_mbox = tg3_read32_mbox_5906;
11315 tp->write32_mbox = tg3_write32_mbox_5906;
11316 tp->write32_tx_mbox = tg3_write32_mbox_5906;
11317 tp->write32_rx_mbox = tg3_write32_mbox_5906;
11318 }
6892914f 11319
bbadf503
MC		 11320 if (tp->write32 == tg3_write_indirect_reg32 ||
11321 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11322 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 11323 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 11324 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
11325
7d0c41ef 11326 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 11327 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 11328 * determined before calling tg3_set_power_state() so that
11329 * we know whether or not to switch out of Vaux power.
11330 * When the flag is set, it means that GPIO1 is used for eeprom
11331 * write protect and also implies that it is a LOM where GPIOs
11332 * are not used to switch power.
6aa20a22 11333 */
7d0c41ef
MC		 11334 tg3_get_eeprom_hw_cfg(tp);
11335
0d3031d9
MC		 11336 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
11337 /* Allow reads and writes to the
11338 * APE register and memory space.
11339 */
11340 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
11341 PCISTATE_ALLOW_APE_SHMEM_WR;
11342 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
11343 pci_state_reg);
11344 }
11345
9936bcf6
MC		 11346 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11347 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
d30cdd28
MC		 11348 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
11349
314fba34
MC		 11350 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
11351 * GPIO1 driven high will bring 5700's external PHY out of reset.
11352 * It is also used as eeprom write protect on LOMs.
11353 */
11354 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
11355 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
11356 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
11357 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
11358 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 11359 /* Unused GPIO3 must be driven as output on 5752 because there
11360 * are no pull-up resistors on unused GPIO pins.
11361 */
11362 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11363 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 11364
af36e6b6
MC		 11365 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11366 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
11367
1da177e4 11368 /* Force the chip into D0. */
bc1c7567 11369 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 11370 if (err) {
11371 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
11372 pci_name(tp->pdev));
11373 return err;
11374 }
11375
11376 /* 5700 B0 chips do not support checksumming correctly due
11377 * to hardware bugs.
11378 */
11379 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
11380 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
11381
1da177e4
LT		 11382 /* Derive initial jumbo mode from MTU assigned in
11383 * ether_setup() via the alloc_etherdev() call
11384 */
0f893dc6 11385 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 11386 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 11387 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 11388
11389 /* Determine WakeOnLan speed to use. */
11390 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11391 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11392 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
11393 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
11394 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
11395 } else {
11396 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
11397 }
11398
11399 /* A few boards don't want Ethernet@WireSpeed phy feature */
11400 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
11401 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
11402 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 11403 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
b5d3772c 11404 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
747e8f8b 11405 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 11406 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
11407
11408 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
11409 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
11410 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
11411 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
11412 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
11413
c424cb24
MC		 11414 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11415 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 11416 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 11417 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11418 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
d4011ada
MC		 11419 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
11420 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
11421 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 11422 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
11423 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
11424 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
c424cb24
MC		 11425 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
11426 }
1da177e4 11427
1da177e4 11428 tp->coalesce_mode = 0;
1da177e4
LT		 11429 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
11430 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
11431 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
11432
11433 /* Initialize MAC MI mode, polling disabled. */
11434 tw32_f(MAC_MI_MODE, tp->mi_mode);
11435 udelay(80);
11436
11437 /* Initialize data/descriptor byte/word swapping. */
11438 val = tr32(GRC_MODE);
11439 val &= GRC_MODE_HOST_STACKUP;
11440 tw32(GRC_MODE, val | tp->grc_mode);
11441
11442 tg3_switch_clocks(tp);
11443
11444 /* Clear this out for sanity. */
11445 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
11446
11447 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11448 &pci_state_reg);
11449 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
11450 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
11451 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
11452
11453 if (chiprevid == CHIPREV_ID_5701_A0 ||
11454 chiprevid == CHIPREV_ID_5701_B0 ||
11455 chiprevid == CHIPREV_ID_5701_B2 ||
11456 chiprevid == CHIPREV_ID_5701_B5) {
11457 void __iomem *sram_base;
11458
11459 /* Write some dummy words into the SRAM status block
11460 * area, see if it reads back correctly. If the return
11461 * value is bad, force enable the PCIX workaround.
11462 */
11463 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
11464
11465 writel(0x00000000, sram_base);
11466 writel(0x00000000, sram_base + 4);
11467 writel(0xffffffff, sram_base + 4);
11468 if (readl(sram_base) != 0x00000000)
11469 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
11470 }
11471 }
11472
11473 udelay(50);
11474 tg3_nvram_init(tp);
11475
11476 grc_misc_cfg = tr32(GRC_MISC_CFG);
11477 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
11478
1da177e4
LT		 11479 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
11480 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
11481 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
11482 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
11483
fac9b83e
DM		 11484 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
11485 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
11486 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
11487 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
11488 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
11489 HOSTCC_MODE_CLRTICK_TXBD);
11490
11491 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
11492 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11493 tp->misc_host_ctrl);
11494 }
11495
1da177e4
LT		 11496 /* these are limited to 10/100 only */
11497 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11498 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
11499 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
11500 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
11501 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
11502 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
11503 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
11504 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
11505 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 11506 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
11507 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
b5d3772c 11508 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1da177e4
LT		 11509 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
11510
11511 err = tg3_phy_probe(tp);
11512 if (err) {
11513 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
11514 pci_name(tp->pdev), err);
11515 /* ... but do not return immediately ... */
11516 }
11517
11518 tg3_read_partno(tp);
c4e6575c 11519 tg3_read_fw_ver(tp);
1da177e4
LT		 11520
11521 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
11522 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11523 } else {
11524 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11525 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
11526 else
11527 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11528 }
11529
11530 /* 5700 {AX,BX} chips have a broken status block link
11531 * change bit implementation, so we must use the
11532 * status register in those cases.
11533 */
11534 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11535 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
11536 else
11537 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
11538
11539 /* The led_ctrl is set during tg3_phy_probe, here we might
11540 * have to force the link status polling mechanism based
11541 * upon subsystem IDs.
11542 */
11543 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
007a880d 11544 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
1da177e4
LT		 11545 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
11546 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
11547 TG3_FLAG_USE_LINKCHG_REG);
11548 }
11549
11550 /* For all SERDES we poll the MAC status register. */
11551 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11552 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
11553 else
11554 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
11555
5a6f3074 11556 /* All chips before 5787 can get confused if TX buffers
1da177e4
LT		 11557 * straddle the 4GB address boundary in some cases.
11558 */
af36e6b6 11559 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c 11560 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
d30cdd28 11561 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9936bcf6 11562 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
b5d3772c 11563 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
5a6f3074
MC		 11564 tp->dev->hard_start_xmit = tg3_start_xmit;
11565 else
11566 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
1da177e4
LT		 11567
11568 tp->rx_offset = 2;
11569 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11570 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
11571 tp->rx_offset = 0;
11572
f92905de
MC		 11573 tp->rx_std_max_post = TG3_RX_RING_SIZE;
11574
11575 /* Increment the rx prod index on the rx std ring by at most
11576 * 8 for these chips to workaround hw errata.
11577 */
11578 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11579 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11580 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11581 tp->rx_std_max_post = 8;
11582
8ed5d97e
MC		 11583 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
11584 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
11585 PCIE_PWR_MGMT_L1_THRESH_MSK;
11586
1da177e4
LT		 11587 return err;
11588}
11589
49b6e95f 11590#ifdef CONFIG_SPARC
1da177e4
LT		 11591static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
11592{
11593 struct net_device *dev = tp->dev;
11594 struct pci_dev *pdev = tp->pdev;
49b6e95f 11595 struct device_node *dp = pci_device_to_OF_node(pdev);
374d4cac 11596 const unsigned char *addr;
49b6e95f
DM		 11597 int len;
11598
11599 addr = of_get_property(dp, "local-mac-address", &len);
11600 if (addr && len == 6) {
11601 memcpy(dev->dev_addr, addr, 6);
11602 memcpy(dev->perm_addr, dev->dev_addr, 6);
11603 return 0;
1da177e4
LT		 11604 }
11605 return -ENODEV;
11606}
11607
11608static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11609{
11610 struct net_device *dev = tp->dev;
11611
11612 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 11613 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 11614 return 0;
11615}
11616#endif
11617
11618static int __devinit tg3_get_device_address(struct tg3 *tp)
11619{
11620 struct net_device *dev = tp->dev;
11621 u32 hi, lo, mac_offset;
008652b3 11622 int addr_ok = 0;
1da177e4 11623
49b6e95f 11624#ifdef CONFIG_SPARC
1da177e4
LT		 11625 if (!tg3_get_macaddr_sparc(tp))
11626 return 0;
11627#endif
11628
11629 mac_offset = 0x7c;
f49639e6 11630 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 11631 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 11632 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11633 mac_offset = 0xcc;
11634 if (tg3_nvram_lock(tp))
11635 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11636 else
11637 tg3_nvram_unlock(tp);
11638 }
b5d3772c
MC		 11639 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11640 mac_offset = 0x10;
1da177e4
LT		 11641
11642 /* First try to get it from MAC address mailbox. */
11643 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11644 if ((hi >> 16) == 0x484b) {
11645 dev->dev_addr[0] = (hi >> 8) & 0xff;
11646 dev->dev_addr[1] = (hi >> 0) & 0xff;
11647
11648 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11649 dev->dev_addr[2] = (lo >> 24) & 0xff;
11650 dev->dev_addr[3] = (lo >> 16) & 0xff;
11651 dev->dev_addr[4] = (lo >> 8) & 0xff;
11652 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 11653
008652b3
MC		 11654 /* Some old bootcode may report a 0 MAC address in SRAM */
11655 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11656 }
11657 if (!addr_ok) {
11658 /* Next, try NVRAM. */
f49639e6 11659 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
008652b3
MC		 11660 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11661 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11662 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11663 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11664 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11665 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11666 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11667 }
11668 /* Finally just fetch it out of the MAC control regs. */
11669 else {
11670 hi = tr32(MAC_ADDR_0_HIGH);
11671 lo = tr32(MAC_ADDR_0_LOW);
11672
11673 dev->dev_addr[5] = lo & 0xff;
11674 dev->dev_addr[4] = (lo >> 8) & 0xff;
11675 dev->dev_addr[3] = (lo >> 16) & 0xff;
11676 dev->dev_addr[2] = (lo >> 24) & 0xff;
11677 dev->dev_addr[1] = hi & 0xff;
11678 dev->dev_addr[0] = (hi >> 8) & 0xff;
11679 }
1da177e4
LT		 11680 }
11681
11682 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11683#ifdef CONFIG_SPARC64
11684 if (!tg3_get_default_macaddr_sparc(tp))
11685 return 0;
11686#endif
11687 return -EINVAL;
11688 }
2ff43697 11689 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 11690 return 0;
11691}
11692
59e6b434
DM		 11693#define BOUNDARY_SINGLE_CACHELINE 1
11694#define BOUNDARY_MULTI_CACHELINE 2
11695
11696static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11697{
11698 int cacheline_size;
11699 u8 byte;
11700 int goal;
11701
11702 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11703 if (byte == 0)
11704 cacheline_size = 1024;
11705 else
11706 cacheline_size = (int) byte * 4;
11707
11708 /* On 5703 and later chips, the boundary bits have no
11709 * effect.
11710 */
11711 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11712 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11713 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11714 goto out;
11715
11716#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11717 goal = BOUNDARY_MULTI_CACHELINE;
11718#else
11719#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11720 goal = BOUNDARY_SINGLE_CACHELINE;
11721#else
11722 goal = 0;
11723#endif
11724#endif
11725
11726 if (!goal)
11727 goto out;
11728
11729 /* PCI controllers on most RISC systems tend to disconnect
11730 * when a device tries to burst across a cache-line boundary.
11731 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11732 *
11733 * Unfortunately, for PCI-E there are only limited
11734 * write-side controls for this, and thus for reads
11735 * we will still get the disconnects. We'll also waste
11736 * these PCI cycles for both read and write for chips
11737 * other than 5700 and 5701 which do not implement the
11738 * boundary bits.
11739 */
11740 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11741 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11742 switch (cacheline_size) {
11743 case 16:
11744 case 32:
11745 case 64:
11746 case 128:
11747 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11748 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11749 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11750 } else {
11751 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11752 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11753 }
11754 break;
11755
11756 case 256:
11757 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11758 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11759 break;
11760
11761 default:
11762 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11763 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11764 break;
11765 };
11766 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11767 switch (cacheline_size) {
11768 case 16:
11769 case 32:
11770 case 64:
11771 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11772 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11773 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11774 break;
11775 }
11776 /* fallthrough */
11777 case 128:
11778 default:
11779 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11780 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11781 break;
11782 };
11783 } else {
11784 switch (cacheline_size) {
11785 case 16:
11786 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11787 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11788 DMA_RWCTRL_WRITE_BNDRY_16);
11789 break;
11790 }
11791 /* fallthrough */
11792 case 32:
11793 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11794 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11795 DMA_RWCTRL_WRITE_BNDRY_32);
11796 break;
11797 }
11798 /* fallthrough */
11799 case 64:
11800 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11801 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11802 DMA_RWCTRL_WRITE_BNDRY_64);
11803 break;
11804 }
11805 /* fallthrough */
11806 case 128:
11807 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11808 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11809 DMA_RWCTRL_WRITE_BNDRY_128);
11810 break;
11811 }
11812 /* fallthrough */
11813 case 256:
11814 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11815 DMA_RWCTRL_WRITE_BNDRY_256);
11816 break;
11817 case 512:
11818 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11819 DMA_RWCTRL_WRITE_BNDRY_512);
11820 break;
11821 case 1024:
11822 default:
11823 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11824 DMA_RWCTRL_WRITE_BNDRY_1024);
11825 break;
11826 };
11827 }
11828
11829out:
11830 return val;
11831}
11832
1da177e4
LT		 11833static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11834{
11835 struct tg3_internal_buffer_desc test_desc;
11836 u32 sram_dma_descs;
11837 int i, ret;
11838
11839 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11840
11841 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11842 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11843 tw32(RDMAC_STATUS, 0);
11844 tw32(WDMAC_STATUS, 0);
11845
11846 tw32(BUFMGR_MODE, 0);
11847 tw32(FTQ_RESET, 0);
11848
11849 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11850 test_desc.addr_lo = buf_dma & 0xffffffff;
11851 test_desc.nic_mbuf = 0x00002100;
11852 test_desc.len = size;
11853
11854 /*
11855 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11856 * the *second* time the tg3 driver was getting loaded after an
11857 * initial scan.
11858 *
11859 * Broadcom tells me:
11860 * ...the DMA engine is connected to the GRC block and a DMA
11861 * reset may affect the GRC block in some unpredictable way...
11862 * The behavior of resets to individual blocks has not been tested.
11863 *
11864 * Broadcom noted the GRC reset will also reset all sub-components.
11865 */
11866 if (to_device) {
11867 test_desc.cqid_sqid = (13 << 8) | 2;
11868
11869 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11870 udelay(40);
11871 } else {
11872 test_desc.cqid_sqid = (16 << 8) | 7;
11873
11874 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11875 udelay(40);
11876 }
11877 test_desc.flags = 0x00000005;
11878
11879 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11880 u32 val;
11881
11882 val = *(((u32 *)&test_desc) + i);
11883 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11884 sram_dma_descs + (i * sizeof(u32)));
11885 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11886 }
11887 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11888
11889 if (to_device) {
11890 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11891 } else {
11892 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11893 }
11894
11895 ret = -ENODEV;
11896 for (i = 0; i < 40; i++) {
11897 u32 val;
11898
11899 if (to_device)
11900 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11901 else
11902 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11903 if ((val & 0xffff) == sram_dma_descs) {
11904 ret = 0;
11905 break;
11906 }
11907
11908 udelay(100);
11909 }
11910
11911 return ret;
11912}
11913
ded7340d 11914#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 11915
11916static int __devinit tg3_test_dma(struct tg3 *tp)
11917{
11918 dma_addr_t buf_dma;
59e6b434 11919 u32 *buf, saved_dma_rwctrl;
1da177e4
LT		 11920 int ret;
11921
11922 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11923 if (!buf) {
11924 ret = -ENOMEM;
11925 goto out_nofree;
11926 }
11927
11928 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11929 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11930
59e6b434 11931 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4
LT		 11932
11933 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11934 /* DMA read watermark not used on PCIE */
11935 tp->dma_rwctrl |= 0x00180000;
11936 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 11937 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11938 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 11939 tp->dma_rwctrl |= 0x003f0000;
11940 else
11941 tp->dma_rwctrl |= 0x003f000f;
11942 } else {
11943 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11944 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11945 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 11946 u32 read_water = 0x7;
1da177e4 11947
4a29cc2e
MC		 11948 /* If the 5704 is behind the EPB bridge, we can
11949 * do the less restrictive ONE_DMA workaround for
11950 * better performance.
11951 */
11952 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11953 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11954 tp->dma_rwctrl |= 0x8000;
11955 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 11956 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11957
49afdeb6
MC		 11958 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11959 read_water = 4;
59e6b434 11960 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 11961 tp->dma_rwctrl |=
11962 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11963 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11964 (1 << 23);
4cf78e4f
MC		 11965 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11966 /* 5780 always in PCIX mode */
11967 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 11968 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11969 /* 5714 always in PCIX mode */
11970 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 11971 } else {
11972 tp->dma_rwctrl |= 0x001b000f;
11973 }
11974 }
11975
11976 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11977 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11978 tp->dma_rwctrl &= 0xfffffff0;
11979
11980 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11981 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11982 /* Remove this if it causes problems for some boards. */
11983 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11984
11985 /* On 5700/5701 chips, we need to set this bit.
11986 * Otherwise the chip will issue cacheline transactions
11987 * to streamable DMA memory with not all the byte
11988 * enables turned on. This is an error on several
11989 * RISC PCI controllers, in particular sparc64.
11990 *
11991 * On 5703/5704 chips, this bit has been reassigned
11992 * a different meaning. In particular, it is used
11993 * on those chips to enable a PCI-X workaround.
11994 */
11995 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11996 }
11997
11998 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11999
12000#if 0
12001 /* Unneeded, already done by tg3_get_invariants. */
12002 tg3_switch_clocks(tp);
12003#endif
12004
12005 ret = 0;
12006 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12007 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
12008 goto out;
12009
59e6b434
DM		 12010 /* It is best to perform DMA test with maximum write burst size
12011 * to expose the 5700/5701 write DMA bug.
12012 */
12013 saved_dma_rwctrl = tp->dma_rwctrl;
12014 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12015 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12016
1da177e4
LT		 12017 while (1) {
12018 u32 *p = buf, i;
12019
12020 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
12021 p[i] = i;
12022
12023 /* Send the buffer to the chip. */
12024 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
12025 if (ret) {
12026 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
12027 break;
12028 }
12029
12030#if 0
12031 /* validate data reached card RAM correctly. */
12032 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12033 u32 val;
12034 tg3_read_mem(tp, 0x2100 + (i*4), &val);
12035 if (le32_to_cpu(val) != p[i]) {
12036 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
12037 /* ret = -ENODEV here? */
12038 }
12039 p[i] = 0;
12040 }
12041#endif
12042 /* Now read it back. */
12043 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
12044 if (ret) {
12045 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
12046
12047 break;
12048 }
12049
12050 /* Verify it. */
12051 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12052 if (p[i] == i)
12053 continue;
12054
59e6b434
DM		 12055 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12056 DMA_RWCTRL_WRITE_BNDRY_16) {
12057 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 12058 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12059 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12060 break;
12061 } else {
12062 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
12063 ret = -ENODEV;
12064 goto out;
12065 }
12066 }
12067
12068 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
12069 /* Success. */
12070 ret = 0;
12071 break;
12072 }
12073 }
59e6b434
DM		 12074 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12075 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 12076 static struct pci_device_id dma_wait_state_chipsets[] = {
12077 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
12078 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
12079 { },
12080 };
12081
59e6b434 12082 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 12083 * now look for chipsets that are known to expose the
12084 * DMA bug without failing the test.
59e6b434 12085 */
6d1cfbab
MC		 12086 if (pci_dev_present(dma_wait_state_chipsets)) {
12087 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12088 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12089 }
12090 else
12091 /* Safe to use the calculated DMA boundary. */
12092 tp->dma_rwctrl = saved_dma_rwctrl;
12093
59e6b434
DM		 12094 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12095 }
1da177e4
LT		 12096
12097out:
12098 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
12099out_nofree:
12100 return ret;
12101}
12102
12103static void __devinit tg3_init_link_config(struct tg3 *tp)
12104{
12105 tp->link_config.advertising =
12106 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12107 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12108 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
12109 ADVERTISED_Autoneg | ADVERTISED_MII);
12110 tp->link_config.speed = SPEED_INVALID;
12111 tp->link_config.duplex = DUPLEX_INVALID;
12112 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 12113 tp->link_config.active_speed = SPEED_INVALID;
12114 tp->link_config.active_duplex = DUPLEX_INVALID;
12115 tp->link_config.phy_is_low_power = 0;
12116 tp->link_config.orig_speed = SPEED_INVALID;
12117 tp->link_config.orig_duplex = DUPLEX_INVALID;
12118 tp->link_config.orig_autoneg = AUTONEG_INVALID;
12119}
12120
12121static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
12122{
fdfec172
MC		 12123 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12124 tp->bufmgr_config.mbuf_read_dma_low_water =
12125 DEFAULT_MB_RDMA_LOW_WATER_5705;
12126 tp->bufmgr_config.mbuf_mac_rx_low_water =
12127 DEFAULT_MB_MACRX_LOW_WATER_5705;
12128 tp->bufmgr_config.mbuf_high_water =
12129 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 12130 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12131 tp->bufmgr_config.mbuf_mac_rx_low_water =
12132 DEFAULT_MB_MACRX_LOW_WATER_5906;
12133 tp->bufmgr_config.mbuf_high_water =
12134 DEFAULT_MB_HIGH_WATER_5906;
12135 }
fdfec172
MC		 12136
12137 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12138 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
12139 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12140 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
12141 tp->bufmgr_config.mbuf_high_water_jumbo =
12142 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
12143 } else {
12144 tp->bufmgr_config.mbuf_read_dma_low_water =
12145 DEFAULT_MB_RDMA_LOW_WATER;
12146 tp->bufmgr_config.mbuf_mac_rx_low_water =
12147 DEFAULT_MB_MACRX_LOW_WATER;
12148 tp->bufmgr_config.mbuf_high_water =
12149 DEFAULT_MB_HIGH_WATER;
12150
12151 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12152 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
12153 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12154 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
12155 tp->bufmgr_config.mbuf_high_water_jumbo =
12156 DEFAULT_MB_HIGH_WATER_JUMBO;
12157 }
1da177e4
LT		 12158
12159 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
12160 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
12161}
12162
12163static char * __devinit tg3_phy_string(struct tg3 *tp)
12164{
12165 switch (tp->phy_id & PHY_ID_MASK) {
12166 case PHY_ID_BCM5400: return "5400";
12167 case PHY_ID_BCM5401: return "5401";
12168 case PHY_ID_BCM5411: return "5411";
12169 case PHY_ID_BCM5701: return "5701";
12170 case PHY_ID_BCM5703: return "5703";
12171 case PHY_ID_BCM5704: return "5704";
12172 case PHY_ID_BCM5705: return "5705";
12173 case PHY_ID_BCM5750: return "5750";
85e94ced 12174 case PHY_ID_BCM5752: return "5752";
a4e2b347 12175 case PHY_ID_BCM5714: return "5714";
4cf78e4f 12176 case PHY_ID_BCM5780: return "5780";
af36e6b6 12177 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 12178 case PHY_ID_BCM5787: return "5787";
d30cdd28 12179 case PHY_ID_BCM5784: return "5784";
126a3368 12180 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 12181 case PHY_ID_BCM5906: return "5906";
9936bcf6 12182 case PHY_ID_BCM5761: return "5761";
1da177e4
LT		 12183 case PHY_ID_BCM8002: return "8002/serdes";
12184 case 0: return "serdes";
12185 default: return "unknown";
12186 };
12187}
12188
f9804ddb
MC		 12189static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
12190{
12191 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12192 strcpy(str, "PCI Express");
12193 return str;
12194 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12195 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
12196
12197 strcpy(str, "PCIX:");
12198
12199 if ((clock_ctrl == 7) ||
12200 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
12201 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
12202 strcat(str, "133MHz");
12203 else if (clock_ctrl == 0)
12204 strcat(str, "33MHz");
12205 else if (clock_ctrl == 2)
12206 strcat(str, "50MHz");
12207 else if (clock_ctrl == 4)
12208 strcat(str, "66MHz");
12209 else if (clock_ctrl == 6)
12210 strcat(str, "100MHz");
f9804ddb
MC		 12211 } else {
12212 strcpy(str, "PCI:");
12213 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
12214 strcat(str, "66MHz");
12215 else
12216 strcat(str, "33MHz");
12217 }
12218 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
12219 strcat(str, ":32-bit");
12220 else
12221 strcat(str, ":64-bit");
12222 return str;
12223}
12224
8c2dc7e1 12225static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 12226{
12227 struct pci_dev *peer;
12228 unsigned int func, devnr = tp->pdev->devfn & ~7;
12229
12230 for (func = 0; func < 8; func++) {
12231 peer = pci_get_slot(tp->pdev->bus, devnr | func);
12232 if (peer && peer != tp->pdev)
12233 break;
12234 pci_dev_put(peer);
12235 }
16fe9d74
MC		 12236 /* 5704 can be configured in single-port mode, set peer to
12237 * tp->pdev in that case.
12238 */
12239 if (!peer) {
12240 peer = tp->pdev;
12241 return peer;
12242 }
1da177e4
LT		 12243
12244 /*
12245 * We don't need to keep the refcount elevated; there's no way
12246 * to remove one half of this device without removing the other
12247 */
12248 pci_dev_put(peer);
12249
12250 return peer;
12251}
12252
15f9850d
DM		 12253static void __devinit tg3_init_coal(struct tg3 *tp)
12254{
12255 struct ethtool_coalesce *ec = &tp->coal;
12256
12257 memset(ec, 0, sizeof(*ec));
12258 ec->cmd = ETHTOOL_GCOALESCE;
12259 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
12260 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
12261 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
12262 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
12263 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
12264 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
12265 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
12266 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
12267 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
12268
12269 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
12270 HOSTCC_MODE_CLRTICK_TXBD)) {
12271 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
12272 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
12273 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
12274 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
12275 }
d244c892
MC		 12276
12277 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12278 ec->rx_coalesce_usecs_irq = 0;
12279 ec->tx_coalesce_usecs_irq = 0;
12280 ec->stats_block_coalesce_usecs = 0;
12281 }
15f9850d
DM		 12282}
12283
1da177e4
LT		 12284static int __devinit tg3_init_one(struct pci_dev *pdev,
12285 const struct pci_device_id *ent)
12286{
12287 static int tg3_version_printed = 0;
12288 unsigned long tg3reg_base, tg3reg_len;
12289 struct net_device *dev;
12290 struct tg3 *tp;
72f2afb8 12291 int i, err, pm_cap;
f9804ddb 12292 char str[40];
72f2afb8 12293 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 12294
12295 if (tg3_version_printed++ == 0)
12296 printk(KERN_INFO "%s", version);
12297
12298 err = pci_enable_device(pdev);
12299 if (err) {
12300 printk(KERN_ERR PFX "Cannot enable PCI device, "
12301 "aborting.\n");
12302 return err;
12303 }
12304
12305 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
12306 printk(KERN_ERR PFX "Cannot find proper PCI device "
12307 "base address, aborting.\n");
12308 err = -ENODEV;
12309 goto err_out_disable_pdev;
12310 }
12311
12312 err = pci_request_regions(pdev, DRV_MODULE_NAME);
12313 if (err) {
12314 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
12315 "aborting.\n");
12316 goto err_out_disable_pdev;
12317 }
12318
12319 pci_set_master(pdev);
12320
12321 /* Find power-management capability. */
12322 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
12323 if (pm_cap == 0) {
12324 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
12325 "aborting.\n");
12326 err = -EIO;
12327 goto err_out_free_res;
12328 }
12329
1da177e4
LT		 12330 tg3reg_base = pci_resource_start(pdev, 0);
12331 tg3reg_len = pci_resource_len(pdev, 0);
12332
12333 dev = alloc_etherdev(sizeof(*tp));
12334 if (!dev) {
12335 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
12336 err = -ENOMEM;
12337 goto err_out_free_res;
12338 }
12339
1da177e4
LT		 12340 SET_NETDEV_DEV(dev, &pdev->dev);
12341
1da177e4
LT		 12342#if TG3_VLAN_TAG_USED
12343 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
12344 dev->vlan_rx_register = tg3_vlan_rx_register;
1da177e4
LT		 12345#endif
12346
12347 tp = netdev_priv(dev);
12348 tp->pdev = pdev;
12349 tp->dev = dev;
12350 tp->pm_cap = pm_cap;
12351 tp->mac_mode = TG3_DEF_MAC_MODE;
12352 tp->rx_mode = TG3_DEF_RX_MODE;
12353 tp->tx_mode = TG3_DEF_TX_MODE;
12354 tp->mi_mode = MAC_MI_MODE_BASE;
12355 if (tg3_debug > 0)
12356 tp->msg_enable = tg3_debug;
12357 else
12358 tp->msg_enable = TG3_DEF_MSG_ENABLE;
12359
12360 /* The word/byte swap controls here control register access byte
12361 * swapping. DMA data byte swapping is controlled in the GRC_MODE
12362 * setting below.
12363 */
12364 tp->misc_host_ctrl =
12365 MISC_HOST_CTRL_MASK_PCI_INT |
12366 MISC_HOST_CTRL_WORD_SWAP |
12367 MISC_HOST_CTRL_INDIR_ACCESS |
12368 MISC_HOST_CTRL_PCISTATE_RW;
12369
12370 /* The NONFRM (non-frame) byte/word swap controls take effect
12371 * on descriptor entries, anything which isn't packet data.
12372 *
12373 * The StrongARM chips on the board (one for tx, one for rx)
12374 * are running in big-endian mode.
12375 */
12376 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
12377 GRC_MODE_WSWAP_NONFRM_DATA);
12378#ifdef __BIG_ENDIAN
12379 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
12380#endif
12381 spin_lock_init(&tp->lock);
1da177e4 12382 spin_lock_init(&tp->indirect_lock);
c4028958 12383 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4
LT		 12384
12385 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
ab0049b4 12386 if (!tp->regs) {
1da177e4
LT		 12387 printk(KERN_ERR PFX "Cannot map device registers, "
12388 "aborting.\n");
12389 err = -ENOMEM;
12390 goto err_out_free_dev;
12391 }
12392
12393 tg3_init_link_config(tp);
12394
1da177e4
LT		 12395 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
12396 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
12397 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
12398
12399 dev->open = tg3_open;
12400 dev->stop = tg3_close;
12401 dev->get_stats = tg3_get_stats;
12402 dev->set_multicast_list = tg3_set_rx_mode;
12403 dev->set_mac_address = tg3_set_mac_addr;
12404 dev->do_ioctl = tg3_ioctl;
12405 dev->tx_timeout = tg3_tx_timeout;
bea3348e 12406 netif_napi_add(dev, &tp->napi, tg3_poll, 64);
1da177e4 12407 dev->ethtool_ops = &tg3_ethtool_ops;
1da177e4
LT		 12408 dev->watchdog_timeo = TG3_TX_TIMEOUT;
12409 dev->change_mtu = tg3_change_mtu;
12410 dev->irq = pdev->irq;
12411#ifdef CONFIG_NET_POLL_CONTROLLER
12412 dev->poll_controller = tg3_poll_controller;
12413#endif
12414
12415 err = tg3_get_invariants(tp);
12416 if (err) {
12417 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
12418 "aborting.\n");
12419 goto err_out_iounmap;
12420 }
12421
4a29cc2e
MC		 12422 /* The EPB bridge inside 5714, 5715, and 5780 and any
12423 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 12424 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
12425 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
12426 * do DMA address check in tg3_start_xmit().
12427 */
4a29cc2e
MC		 12428 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
12429 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
12430 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
72f2afb8
MC		 12431 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
12432#ifdef CONFIG_HIGHMEM
12433 dma_mask = DMA_64BIT_MASK;
12434#endif
4a29cc2e 12435 } else
72f2afb8
MC		 12436 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
12437
12438 /* Configure DMA attributes. */
12439 if (dma_mask > DMA_32BIT_MASK) {
12440 err = pci_set_dma_mask(pdev, dma_mask);
12441 if (!err) {
12442 dev->features |= NETIF_F_HIGHDMA;
12443 err = pci_set_consistent_dma_mask(pdev,
12444 persist_dma_mask);
12445 if (err < 0) {
12446 printk(KERN_ERR PFX "Unable to obtain 64 bit "
12447 "DMA for consistent allocations\n");
12448 goto err_out_iounmap;
12449 }
12450 }
12451 }
12452 if (err || dma_mask == DMA_32BIT_MASK) {
12453 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
12454 if (err) {
12455 printk(KERN_ERR PFX "No usable DMA configuration, "
12456 "aborting.\n");
12457 goto err_out_iounmap;
12458 }
12459 }
12460
fdfec172 12461 tg3_init_bufmgr_config(tp);
1da177e4 12462
1da177e4
LT		 12463 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
12464 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
12465 }
12466 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12467 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12468 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
c7835a77 12469 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
1da177e4
LT		 12470 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
12471 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
12472 } else {
7f62ad5d 12473 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
1da177e4
LT		 12474 }
12475
4e3a7aaa
MC		 12476 /* TSO is on by default on chips that support hardware TSO.
12477 * Firmware TSO on older chips gives lower performance, so it
12478 * is off by default, but can be enabled using ethtool.
12479 */
b0026624 12480 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
1da177e4 12481 dev->features |= NETIF_F_TSO;
b5d3772c
MC		 12482 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
12483 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
b0026624 12484 dev->features |= NETIF_F_TSO6;
9936bcf6
MC		 12485 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
12486 dev->features |= NETIF_F_TSO_ECN;
b0026624 12487 }
1da177e4 12488
1da177e4
LT		 12489
12490 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
12491 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
12492 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
12493 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
12494 tp->rx_pending = 63;
12495 }
12496
1da177e4
LT		 12497 err = tg3_get_device_address(tp);
12498 if (err) {
12499 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
12500 "aborting.\n");
12501 goto err_out_iounmap;
12502 }
12503
c88864df
MC		 12504 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12505 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
12506 printk(KERN_ERR PFX "Cannot find proper PCI device "
12507 "base address for APE, aborting.\n");
12508 err = -ENODEV;
12509 goto err_out_iounmap;
12510 }
12511
12512 tg3reg_base = pci_resource_start(pdev, 2);
12513 tg3reg_len = pci_resource_len(pdev, 2);
12514
12515 tp->aperegs = ioremap_nocache(tg3reg_base, tg3reg_len);
12516 if (tp->aperegs == 0UL) {
12517 printk(KERN_ERR PFX "Cannot map APE registers, "
12518 "aborting.\n");
12519 err = -ENOMEM;
12520 goto err_out_iounmap;
12521 }
12522
12523 tg3_ape_lock_init(tp);
12524 }
12525
1da177e4
LT		 12526 /*
12527 * Reset chip in case UNDI or EFI driver did not shutdown
12528 * DMA self test will enable WDMAC and we'll see (spurious)
12529 * pending DMA on the PCI bus at that point.
12530 */
12531 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
12532 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
1da177e4 12533 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 12534 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 12535 }
12536
12537 err = tg3_test_dma(tp);
12538 if (err) {
12539 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
c88864df 12540 goto err_out_apeunmap;
1da177e4
LT		 12541 }
12542
12543 /* Tigon3 can do ipv4 only... and some chips have buggy
12544 * checksumming.
12545 */
12546 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
d212f87b 12547 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
af36e6b6 12548 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d30cdd28 12549 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9936bcf6
MC		 12550 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12551 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
d212f87b
SH		 12552 dev->features |= NETIF_F_IPV6_CSUM;
12553
1da177e4
LT		 12554 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12555 } else
12556 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
12557
1da177e4
LT		 12558 /* flow control autonegotiation is default behavior */
12559 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
12560
15f9850d
DM		 12561 tg3_init_coal(tp);
12562
c49a1561
MC		 12563 pci_set_drvdata(pdev, dev);
12564
1da177e4
LT		 12565 err = register_netdev(dev);
12566 if (err) {
12567 printk(KERN_ERR PFX "Cannot register net device, "
12568 "aborting.\n");
0d3031d9 12569 goto err_out_apeunmap;
1da177e4
LT		 12570 }
12571
cbb45d21 12572 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
1da177e4
LT		 12573 dev->name,
12574 tp->board_part_number,
12575 tp->pci_chip_rev_id,
12576 tg3_phy_string(tp),
f9804ddb 12577 tg3_bus_string(tp, str),
cbb45d21
MC		 12578 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
12579 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
12580 "10/100/1000Base-T")));
1da177e4
LT		 12581
12582 for (i = 0; i < 6; i++)
12583 printk("%2.2x%c", dev->dev_addr[i],
12584 i == 5 ? '\n' : ':');
12585
12586 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
1c46ae05 12587 "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
1da177e4
LT		 12588 dev->name,
12589 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
12590 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
12591 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
12592 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
1da177e4
LT		 12593 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
12594 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 12595 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
12596 dev->name, tp->dma_rwctrl,
12597 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
12598 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
1da177e4
LT		 12599
12600 return 0;
12601
0d3031d9
MC		 12602err_out_apeunmap:
12603 if (tp->aperegs) {
12604 iounmap(tp->aperegs);
12605 tp->aperegs = NULL;
12606 }
12607
1da177e4 12608err_out_iounmap:
6892914f
MC		 12609 if (tp->regs) {
12610 iounmap(tp->regs);
22abe310 12611 tp->regs = NULL;
6892914f 12612 }
1da177e4
LT		 12613
12614err_out_free_dev:
12615 free_netdev(dev);
12616
12617err_out_free_res:
12618 pci_release_regions(pdev);
12619
12620err_out_disable_pdev:
12621 pci_disable_device(pdev);
12622 pci_set_drvdata(pdev, NULL);
12623 return err;
12624}
12625
12626static void __devexit tg3_remove_one(struct pci_dev *pdev)
12627{
12628 struct net_device *dev = pci_get_drvdata(pdev);
12629
12630 if (dev) {
12631 struct tg3 *tp = netdev_priv(dev);
12632
7faa006f 12633 flush_scheduled_work();
1da177e4 12634 unregister_netdev(dev);
0d3031d9
MC		 12635 if (tp->aperegs) {
12636 iounmap(tp->aperegs);
12637 tp->aperegs = NULL;
12638 }
6892914f
MC		 12639 if (tp->regs) {
12640 iounmap(tp->regs);
22abe310 12641 tp->regs = NULL;
6892914f 12642 }
1da177e4
LT		 12643 free_netdev(dev);
12644 pci_release_regions(pdev);
12645 pci_disable_device(pdev);
12646 pci_set_drvdata(pdev, NULL);
12647 }
12648}
12649
12650static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12651{
12652 struct net_device *dev = pci_get_drvdata(pdev);
12653 struct tg3 *tp = netdev_priv(dev);
12654 int err;
12655
3e0c95fd
MC		 12656 /* PCI register 4 needs to be saved whether netif_running() or not.
12657 * MSI address and data need to be saved if using MSI and
12658 * netif_running().
12659 */
12660 pci_save_state(pdev);
12661
1da177e4
LT		 12662 if (!netif_running(dev))
12663 return 0;
12664
7faa006f 12665 flush_scheduled_work();
1da177e4
LT		 12666 tg3_netif_stop(tp);
12667
12668 del_timer_sync(&tp->timer);
12669
f47c11ee 12670 tg3_full_lock(tp, 1);
1da177e4 12671 tg3_disable_ints(tp);
f47c11ee 12672 tg3_full_unlock(tp);
1da177e4
LT		 12673
12674 netif_device_detach(dev);
12675
f47c11ee 12676 tg3_full_lock(tp, 0);
944d980e 12677 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 12678 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 12679 tg3_full_unlock(tp);
1da177e4
LT		 12680
12681 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12682 if (err) {
f47c11ee 12683 tg3_full_lock(tp, 0);
1da177e4 12684
6a9eba15 12685 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12686 if (tg3_restart_hw(tp, 1))
12687 goto out;
1da177e4
LT		 12688
12689 tp->timer.expires = jiffies + tp->timer_offset;
12690 add_timer(&tp->timer);
12691
12692 netif_device_attach(dev);
12693 tg3_netif_start(tp);
12694
b9ec6c1b 12695out:
f47c11ee 12696 tg3_full_unlock(tp);
1da177e4
LT		 12697 }
12698
12699 return err;
12700}
12701
12702static int tg3_resume(struct pci_dev *pdev)
12703{
12704 struct net_device *dev = pci_get_drvdata(pdev);
12705 struct tg3 *tp = netdev_priv(dev);
12706 int err;
12707
3e0c95fd
MC		 12708 pci_restore_state(tp->pdev);
12709
1da177e4
LT		 12710 if (!netif_running(dev))
12711 return 0;
12712
bc1c7567 12713 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 12714 if (err)
12715 return err;
12716
12717 netif_device_attach(dev);
12718
f47c11ee 12719 tg3_full_lock(tp, 0);
1da177e4 12720
6a9eba15 12721 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12722 err = tg3_restart_hw(tp, 1);
12723 if (err)
12724 goto out;
1da177e4
LT		 12725
12726 tp->timer.expires = jiffies + tp->timer_offset;
12727 add_timer(&tp->timer);
12728
1da177e4
LT		 12729 tg3_netif_start(tp);
12730
b9ec6c1b 12731out:
f47c11ee 12732 tg3_full_unlock(tp);
1da177e4 12733
b9ec6c1b 12734 return err;
1da177e4
LT		 12735}
12736
12737static struct pci_driver tg3_driver = {
12738 .name = DRV_MODULE_NAME,
12739 .id_table = tg3_pci_tbl,
12740 .probe = tg3_init_one,
12741 .remove = __devexit_p(tg3_remove_one),
12742 .suspend = tg3_suspend,
12743 .resume = tg3_resume
12744};
12745
12746static int __init tg3_init(void)
12747{
29917620 12748 return pci_register_driver(&tg3_driver);
1da177e4
LT		 12749}
12750
12751static void __exit tg3_cleanup(void)
12752{
12753 pci_unregister_driver(&tg3_driver);
12754}
12755
12756module_init(tg3_init);
12757module_exit(tg3_cleanup);
Clone of davem's net-next-2.6 tree