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[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.
7 * Copyright (C) 2005 Broadcom Corporation.
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MC		 10 * Derived from proprietary unpublished source code,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
18#include <linux/config.h>
19
20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/types.h>
24#include <linux/compiler.h>
25#include <linux/slab.h>
26#include <linux/delay.h>
14c85021 27#include <linux/in.h>
1da177e4
LT		 28#include <linux/init.h>
29#include <linux/ioport.h>
30#include <linux/pci.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/ethtool.h>
35#include <linux/mii.h>
36#include <linux/if_vlan.h>
37#include <linux/ip.h>
38#include <linux/tcp.h>
39#include <linux/workqueue.h>
61487480 40#include <linux/prefetch.h>
f9a5f7d3 41#include <linux/dma-mapping.h>
1da177e4
LT		 42
43#include <net/checksum.h>
44
45#include <asm/system.h>
46#include <asm/io.h>
47#include <asm/byteorder.h>
48#include <asm/uaccess.h>
49
50#ifdef CONFIG_SPARC64
51#include <asm/idprom.h>
52#include <asm/oplib.h>
53#include <asm/pbm.h>
54#endif
55
56#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
57#define TG3_VLAN_TAG_USED 1
58#else
59#define TG3_VLAN_TAG_USED 0
60#endif
61
62#ifdef NETIF_F_TSO
63#define TG3_TSO_SUPPORT 1
64#else
65#define TG3_TSO_SUPPORT 0
66#endif
67
68#include "tg3.h"
69
70#define DRV_MODULE_NAME "tg3"
71#define PFX DRV_MODULE_NAME ": "
a8b554e7
DM		 72#define DRV_MODULE_VERSION "3.47"
73#define DRV_MODULE_RELDATE "Dec 28, 2005"
1da177e4
LT		 74
75#define TG3_DEF_MAC_MODE 0
76#define TG3_DEF_RX_MODE 0
77#define TG3_DEF_TX_MODE 0
78#define TG3_DEF_MSG_ENABLE \
79 (NETIF_MSG_DRV | \
80 NETIF_MSG_PROBE | \
81 NETIF_MSG_LINK | \
82 NETIF_MSG_TIMER | \
83 NETIF_MSG_IFDOWN | \
84 NETIF_MSG_IFUP | \
85 NETIF_MSG_RX_ERR | \
86 NETIF_MSG_TX_ERR)
87
88/* length of time before we decide the hardware is borked,
89 * and dev->tx_timeout() should be called to fix the problem
90 */
91#define TG3_TX_TIMEOUT (5 * HZ)
92
93/* hardware minimum and maximum for a single frame's data payload */
94#define TG3_MIN_MTU 60
95#define TG3_MAX_MTU(tp) \
0f893dc6 96 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 97
98/* These numbers seem to be hard coded in the NIC firmware somehow.
99 * You can't change the ring sizes, but you can change where you place
100 * them in the NIC onboard memory.
101 */
102#define TG3_RX_RING_SIZE 512
103#define TG3_DEF_RX_RING_PENDING 200
104#define TG3_RX_JUMBO_RING_SIZE 256
105#define TG3_DEF_RX_JUMBO_RING_PENDING 100
106
107/* Do not place this n-ring entries value into the tp struct itself,
108 * we really want to expose these constants to GCC so that modulo et
109 * al. operations are done with shifts and masks instead of with
110 * hw multiply/modulo instructions. Another solution would be to
111 * replace things like '% foo' with '& (foo - 1)'.
112 */
113#define TG3_RX_RCB_RING_SIZE(tp) \
114 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
115
116#define TG3_TX_RING_SIZE 512
117#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
118
119#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
120 TG3_RX_RING_SIZE)
121#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
122 TG3_RX_JUMBO_RING_SIZE)
123#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
124 TG3_RX_RCB_RING_SIZE(tp))
125#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
126 TG3_TX_RING_SIZE)
1da177e4 127#define TX_BUFFS_AVAIL(TP) \
51b91468
MC		 128 ((TP)->tx_pending - \
129 (((TP)->tx_prod - (TP)->tx_cons) & (TG3_TX_RING_SIZE - 1)))
1da177e4
LT		 130#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
131
132#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
133#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
134
135/* minimum number of free TX descriptors required to wake up TX process */
136#define TG3_TX_WAKEUP_THRESH (TG3_TX_RING_SIZE / 4)
137
138/* number of ETHTOOL_GSTATS u64's */
139#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
140
4cafd3f5
MC		 141#define TG3_NUM_TEST 6
142
1da177e4
LT		 143static char version[] __devinitdata =
144 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
145
146MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
147MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
148MODULE_LICENSE("GPL");
149MODULE_VERSION(DRV_MODULE_VERSION);
150
151static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
152module_param(tg3_debug, int, 0);
153MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
154
155static struct pci_device_id tg3_pci_tbl[] = {
156 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700,
157 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
158 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701,
159 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
160 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702,
161 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
162 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703,
163 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
164 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704,
165 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
166 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE,
167 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
168 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705,
169 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
170 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2,
171 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
172 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M,
173 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
174 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2,
175 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
176 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X,
177 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
178 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X,
179 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
180 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S,
181 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
182 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3,
183 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
184 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3,
185 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
186 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782,
187 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
188 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788,
189 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
190 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789,
191 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
192 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901,
193 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
194 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2,
195 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
196 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2,
197 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
198 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F,
199 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
200 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720,
201 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
202 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721,
203 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
204 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750,
205 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
206 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751,
207 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
208 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M,
209 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
210 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M,
211 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
212 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
213 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
6e9017a7 214 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
af2bcd97 215 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
d8659255
XVP		 216 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M,
217 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1da177e4
LT		 218 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
219 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
220 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
221 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
222 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
223 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
a4e2b347
MC		 224 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714,
225 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
226 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715,
227 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
4cf78e4f
MC		 228 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
229 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
230 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
231 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1da177e4
LT		 232 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
233 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
234 { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
235 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
236 { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX,
237 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
238 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000,
239 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
240 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001,
241 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
242 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003,
243 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
244 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100,
245 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
246 { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3,
247 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
248 { 0, }
249};
250
251MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
252
253static struct {
254 const char string[ETH_GSTRING_LEN];
255} ethtool_stats_keys[TG3_NUM_STATS] = {
256 { "rx_octets" },
257 { "rx_fragments" },
258 { "rx_ucast_packets" },
259 { "rx_mcast_packets" },
260 { "rx_bcast_packets" },
261 { "rx_fcs_errors" },
262 { "rx_align_errors" },
263 { "rx_xon_pause_rcvd" },
264 { "rx_xoff_pause_rcvd" },
265 { "rx_mac_ctrl_rcvd" },
266 { "rx_xoff_entered" },
267 { "rx_frame_too_long_errors" },
268 { "rx_jabbers" },
269 { "rx_undersize_packets" },
270 { "rx_in_length_errors" },
271 { "rx_out_length_errors" },
272 { "rx_64_or_less_octet_packets" },
273 { "rx_65_to_127_octet_packets" },
274 { "rx_128_to_255_octet_packets" },
275 { "rx_256_to_511_octet_packets" },
276 { "rx_512_to_1023_octet_packets" },
277 { "rx_1024_to_1522_octet_packets" },
278 { "rx_1523_to_2047_octet_packets" },
279 { "rx_2048_to_4095_octet_packets" },
280 { "rx_4096_to_8191_octet_packets" },
281 { "rx_8192_to_9022_octet_packets" },
282
283 { "tx_octets" },
284 { "tx_collisions" },
285
286 { "tx_xon_sent" },
287 { "tx_xoff_sent" },
288 { "tx_flow_control" },
289 { "tx_mac_errors" },
290 { "tx_single_collisions" },
291 { "tx_mult_collisions" },
292 { "tx_deferred" },
293 { "tx_excessive_collisions" },
294 { "tx_late_collisions" },
295 { "tx_collide_2times" },
296 { "tx_collide_3times" },
297 { "tx_collide_4times" },
298 { "tx_collide_5times" },
299 { "tx_collide_6times" },
300 { "tx_collide_7times" },
301 { "tx_collide_8times" },
302 { "tx_collide_9times" },
303 { "tx_collide_10times" },
304 { "tx_collide_11times" },
305 { "tx_collide_12times" },
306 { "tx_collide_13times" },
307 { "tx_collide_14times" },
308 { "tx_collide_15times" },
309 { "tx_ucast_packets" },
310 { "tx_mcast_packets" },
311 { "tx_bcast_packets" },
312 { "tx_carrier_sense_errors" },
313 { "tx_discards" },
314 { "tx_errors" },
315
316 { "dma_writeq_full" },
317 { "dma_write_prioq_full" },
318 { "rxbds_empty" },
319 { "rx_discards" },
320 { "rx_errors" },
321 { "rx_threshold_hit" },
322
323 { "dma_readq_full" },
324 { "dma_read_prioq_full" },
325 { "tx_comp_queue_full" },
326
327 { "ring_set_send_prod_index" },
328 { "ring_status_update" },
329 { "nic_irqs" },
330 { "nic_avoided_irqs" },
331 { "nic_tx_threshold_hit" }
332};
333
4cafd3f5
MC		 334static struct {
335 const char string[ETH_GSTRING_LEN];
336} ethtool_test_keys[TG3_NUM_TEST] = {
337 { "nvram test (online) " },
338 { "link test (online) " },
339 { "register test (offline)" },
340 { "memory test (offline)" },
341 { "loopback test (offline)" },
342 { "interrupt test (offline)" },
343};
344
b401e9e2
MC		 345static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
346{
347 writel(val, tp->regs + off);
348}
349
350static u32 tg3_read32(struct tg3 *tp, u32 off)
351{
352 return (readl(tp->regs + off));
353}
354
1da177e4
LT		 355static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
356{
6892914f
MC		 357 unsigned long flags;
358
359 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 360 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
361 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 362 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 363}
364
365static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
366{
367 writel(val, tp->regs + off);
368 readl(tp->regs + off);
1da177e4
LT		 369}
370
6892914f 371static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 372{
6892914f
MC		 373 unsigned long flags;
374 u32 val;
375
376 spin_lock_irqsave(&tp->indirect_lock, flags);
377 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
378 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
379 spin_unlock_irqrestore(&tp->indirect_lock, flags);
380 return val;
381}
382
383static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
384{
385 unsigned long flags;
386
387 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
388 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
389 TG3_64BIT_REG_LOW, val);
390 return;
391 }
392 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
393 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
394 TG3_64BIT_REG_LOW, val);
395 return;
1da177e4 396 }
6892914f
MC		 397
398 spin_lock_irqsave(&tp->indirect_lock, flags);
399 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
400 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
401 spin_unlock_irqrestore(&tp->indirect_lock, flags);
402
403 /* In indirect mode when disabling interrupts, we also need
404 * to clear the interrupt bit in the GRC local ctrl register.
405 */
406 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
407 (val == 0x1)) {
408 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
409 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
410 }
411}
412
413static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
414{
415 unsigned long flags;
416 u32 val;
417
418 spin_lock_irqsave(&tp->indirect_lock, flags);
419 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
420 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
421 spin_unlock_irqrestore(&tp->indirect_lock, flags);
422 return val;
423}
424
b401e9e2
MC		 425/* usec_wait specifies the wait time in usec when writing to certain registers
426 * where it is unsafe to read back the register without some delay.
427 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
428 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
429 */
430static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 431{
b401e9e2
MC		 432 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
433 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
434 /* Non-posted methods */
435 tp->write32(tp, off, val);
436 else {
437 /* Posted method */
438 tg3_write32(tp, off, val);
439 if (usec_wait)
440 udelay(usec_wait);
441 tp->read32(tp, off);
442 }
443 /* Wait again after the read for the posted method to guarantee that
444 * the wait time is met.
445 */
446 if (usec_wait)
447 udelay(usec_wait);
1da177e4
LT		 448}
449
09ee929c
MC		 450static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
451{
452 tp->write32_mbox(tp, off, val);
6892914f
MC		 453 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
454 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
455 tp->read32_mbox(tp, off);
09ee929c
MC		 456}
457
20094930 458static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 459{
460 void __iomem *mbox = tp->regs + off;
461 writel(val, mbox);
462 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
463 writel(val, mbox);
464 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
465 readl(mbox);
466}
467
20094930 468#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 469#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 470#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
471#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 472#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 473
474#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 475#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
476#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 477#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 478
479static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
480{
6892914f
MC		 481 unsigned long flags;
482
483 spin_lock_irqsave(&tp->indirect_lock, flags);
1da177e4
LT		 484 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
485 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
486
487 /* Always leave this as zero. */
488 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
6892914f 489 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 490}
491
28fbef78
MC		 492static void tg3_write_mem_fast(struct tg3 *tp, u32 off, u32 val)
493{
494 /* If no workaround is needed, write to mem space directly */
495 if (tp->write32 != tg3_write_indirect_reg32)
496 tw32(NIC_SRAM_WIN_BASE + off, val);
497 else
498 tg3_write_mem(tp, off, val);
499}
500
1da177e4
LT		 501static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
502{
6892914f
MC		 503 unsigned long flags;
504
505 spin_lock_irqsave(&tp->indirect_lock, flags);
1da177e4
LT		 506 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
507 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
508
509 /* Always leave this as zero. */
510 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
6892914f 511 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 512}
513
514static void tg3_disable_ints(struct tg3 *tp)
515{
516 tw32(TG3PCI_MISC_HOST_CTRL,
517 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c 518 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
1da177e4
LT		 519}
520
521static inline void tg3_cond_int(struct tg3 *tp)
522{
38f3843e
MC		 523 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
524 (tp->hw_status->status & SD_STATUS_UPDATED))
1da177e4
LT		 525 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
526}
527
528static void tg3_enable_ints(struct tg3 *tp)
529{
bbe832c0
MC		 530 tp->irq_sync = 0;
531 wmb();
532
1da177e4
LT		 533 tw32(TG3PCI_MISC_HOST_CTRL,
534 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c
MC		 535 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
536 (tp->last_tag << 24));
1da177e4
LT		 537 tg3_cond_int(tp);
538}
539
04237ddd
MC		 540static inline unsigned int tg3_has_work(struct tg3 *tp)
541{
542 struct tg3_hw_status *sblk = tp->hw_status;
543 unsigned int work_exists = 0;
544
545 /* check for phy events */
546 if (!(tp->tg3_flags &
547 (TG3_FLAG_USE_LINKCHG_REG |
548 TG3_FLAG_POLL_SERDES))) {
549 if (sblk->status & SD_STATUS_LINK_CHG)
550 work_exists = 1;
551 }
552 /* check for RX/TX work to do */
553 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
554 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
555 work_exists = 1;
556
557 return work_exists;
558}
559
1da177e4 560/* tg3_restart_ints
04237ddd
MC		 561 * similar to tg3_enable_ints, but it accurately determines whether there
562 * is new work pending and can return without flushing the PIO write
563 * which reenables interrupts
1da177e4
LT		 564 */
565static void tg3_restart_ints(struct tg3 *tp)
566{
fac9b83e
DM		 567 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
568 tp->last_tag << 24);
1da177e4
LT		 569 mmiowb();
570
fac9b83e
DM		 571 /* When doing tagged status, this work check is unnecessary.
572 * The last_tag we write above tells the chip which piece of
573 * work we've completed.
574 */
575 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
576 tg3_has_work(tp))
04237ddd
MC		 577 tw32(HOSTCC_MODE, tp->coalesce_mode |
578 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 579}
580
581static inline void tg3_netif_stop(struct tg3 *tp)
582{
bbe832c0 583 tp->dev->trans_start = jiffies; /* prevent tx timeout */
1da177e4
LT		 584 netif_poll_disable(tp->dev);
585 netif_tx_disable(tp->dev);
586}
587
588static inline void tg3_netif_start(struct tg3 *tp)
589{
590 netif_wake_queue(tp->dev);
591 /* NOTE: unconditional netif_wake_queue is only appropriate
592 * so long as all callers are assured to have free tx slots
593 * (such as after tg3_init_hw)
594 */
595 netif_poll_enable(tp->dev);
f47c11ee
DM		 596 tp->hw_status->status |= SD_STATUS_UPDATED;
597 tg3_enable_ints(tp);
1da177e4
LT		 598}
599
600static void tg3_switch_clocks(struct tg3 *tp)
601{
602 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
603 u32 orig_clock_ctrl;
604
a4e2b347 605 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f
MC		 606 return;
607
1da177e4
LT		 608 orig_clock_ctrl = clock_ctrl;
609 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
610 CLOCK_CTRL_CLKRUN_OENABLE |
611 0x1f);
612 tp->pci_clock_ctrl = clock_ctrl;
613
614 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
615 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 616 tw32_wait_f(TG3PCI_CLOCK_CTRL,
617 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 618 }
619 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 620 tw32_wait_f(TG3PCI_CLOCK_CTRL,
621 clock_ctrl |
622 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
623 40);
624 tw32_wait_f(TG3PCI_CLOCK_CTRL,
625 clock_ctrl | (CLOCK_CTRL_ALTCLK),
626 40);
1da177e4 627 }
b401e9e2 628 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 629}
630
631#define PHY_BUSY_LOOPS 5000
632
633static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
634{
635 u32 frame_val;
636 unsigned int loops;
637 int ret;
638
639 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
640 tw32_f(MAC_MI_MODE,
641 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
642 udelay(80);
643 }
644
645 *val = 0x0;
646
647 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
648 MI_COM_PHY_ADDR_MASK);
649 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
650 MI_COM_REG_ADDR_MASK);
651 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
652
653 tw32_f(MAC_MI_COM, frame_val);
654
655 loops = PHY_BUSY_LOOPS;
656 while (loops != 0) {
657 udelay(10);
658 frame_val = tr32(MAC_MI_COM);
659
660 if ((frame_val & MI_COM_BUSY) == 0) {
661 udelay(5);
662 frame_val = tr32(MAC_MI_COM);
663 break;
664 }
665 loops -= 1;
666 }
667
668 ret = -EBUSY;
669 if (loops != 0) {
670 *val = frame_val & MI_COM_DATA_MASK;
671 ret = 0;
672 }
673
674 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
675 tw32_f(MAC_MI_MODE, tp->mi_mode);
676 udelay(80);
677 }
678
679 return ret;
680}
681
682static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
683{
684 u32 frame_val;
685 unsigned int loops;
686 int ret;
687
688 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
689 tw32_f(MAC_MI_MODE,
690 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
691 udelay(80);
692 }
693
694 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
695 MI_COM_PHY_ADDR_MASK);
696 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
697 MI_COM_REG_ADDR_MASK);
698 frame_val |= (val & MI_COM_DATA_MASK);
699 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
700
701 tw32_f(MAC_MI_COM, frame_val);
702
703 loops = PHY_BUSY_LOOPS;
704 while (loops != 0) {
705 udelay(10);
706 frame_val = tr32(MAC_MI_COM);
707 if ((frame_val & MI_COM_BUSY) == 0) {
708 udelay(5);
709 frame_val = tr32(MAC_MI_COM);
710 break;
711 }
712 loops -= 1;
713 }
714
715 ret = -EBUSY;
716 if (loops != 0)
717 ret = 0;
718
719 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
720 tw32_f(MAC_MI_MODE, tp->mi_mode);
721 udelay(80);
722 }
723
724 return ret;
725}
726
727static void tg3_phy_set_wirespeed(struct tg3 *tp)
728{
729 u32 val;
730
731 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
732 return;
733
734 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
735 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
736 tg3_writephy(tp, MII_TG3_AUX_CTRL,
737 (val | (1 << 15) | (1 << 4)));
738}
739
740static int tg3_bmcr_reset(struct tg3 *tp)
741{
742 u32 phy_control;
743 int limit, err;
744
745 /* OK, reset it, and poll the BMCR_RESET bit until it
746 * clears or we time out.
747 */
748 phy_control = BMCR_RESET;
749 err = tg3_writephy(tp, MII_BMCR, phy_control);
750 if (err != 0)
751 return -EBUSY;
752
753 limit = 5000;
754 while (limit--) {
755 err = tg3_readphy(tp, MII_BMCR, &phy_control);
756 if (err != 0)
757 return -EBUSY;
758
759 if ((phy_control & BMCR_RESET) == 0) {
760 udelay(40);
761 break;
762 }
763 udelay(10);
764 }
765 if (limit <= 0)
766 return -EBUSY;
767
768 return 0;
769}
770
771static int tg3_wait_macro_done(struct tg3 *tp)
772{
773 int limit = 100;
774
775 while (limit--) {
776 u32 tmp32;
777
778 if (!tg3_readphy(tp, 0x16, &tmp32)) {
779 if ((tmp32 & 0x1000) == 0)
780 break;
781 }
782 }
783 if (limit <= 0)
784 return -EBUSY;
785
786 return 0;
787}
788
789static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
790{
791 static const u32 test_pat[4][6] = {
792 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
793 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
794 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
795 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
796 };
797 int chan;
798
799 for (chan = 0; chan < 4; chan++) {
800 int i;
801
802 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
803 (chan * 0x2000) | 0x0200);
804 tg3_writephy(tp, 0x16, 0x0002);
805
806 for (i = 0; i < 6; i++)
807 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
808 test_pat[chan][i]);
809
810 tg3_writephy(tp, 0x16, 0x0202);
811 if (tg3_wait_macro_done(tp)) {
812 *resetp = 1;
813 return -EBUSY;
814 }
815
816 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
817 (chan * 0x2000) | 0x0200);
818 tg3_writephy(tp, 0x16, 0x0082);
819 if (tg3_wait_macro_done(tp)) {
820 *resetp = 1;
821 return -EBUSY;
822 }
823
824 tg3_writephy(tp, 0x16, 0x0802);
825 if (tg3_wait_macro_done(tp)) {
826 *resetp = 1;
827 return -EBUSY;
828 }
829
830 for (i = 0; i < 6; i += 2) {
831 u32 low, high;
832
833 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
834 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
835 tg3_wait_macro_done(tp)) {
836 *resetp = 1;
837 return -EBUSY;
838 }
839 low &= 0x7fff;
840 high &= 0x000f;
841 if (low != test_pat[chan][i] ||
842 high != test_pat[chan][i+1]) {
843 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
844 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
845 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
846
847 return -EBUSY;
848 }
849 }
850 }
851
852 return 0;
853}
854
855static int tg3_phy_reset_chanpat(struct tg3 *tp)
856{
857 int chan;
858
859 for (chan = 0; chan < 4; chan++) {
860 int i;
861
862 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
863 (chan * 0x2000) | 0x0200);
864 tg3_writephy(tp, 0x16, 0x0002);
865 for (i = 0; i < 6; i++)
866 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
867 tg3_writephy(tp, 0x16, 0x0202);
868 if (tg3_wait_macro_done(tp))
869 return -EBUSY;
870 }
871
872 return 0;
873}
874
875static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
876{
877 u32 reg32, phy9_orig;
878 int retries, do_phy_reset, err;
879
880 retries = 10;
881 do_phy_reset = 1;
882 do {
883 if (do_phy_reset) {
884 err = tg3_bmcr_reset(tp);
885 if (err)
886 return err;
887 do_phy_reset = 0;
888 }
889
890 /* Disable transmitter and interrupt. */
891 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
892 continue;
893
894 reg32 |= 0x3000;
895 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
896
897 /* Set full-duplex, 1000 mbps. */
898 tg3_writephy(tp, MII_BMCR,
899 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
900
901 /* Set to master mode. */
902 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
903 continue;
904
905 tg3_writephy(tp, MII_TG3_CTRL,
906 (MII_TG3_CTRL_AS_MASTER |
907 MII_TG3_CTRL_ENABLE_AS_MASTER));
908
909 /* Enable SM_DSP_CLOCK and 6dB. */
910 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
911
912 /* Block the PHY control access. */
913 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
914 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
915
916 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
917 if (!err)
918 break;
919 } while (--retries);
920
921 err = tg3_phy_reset_chanpat(tp);
922 if (err)
923 return err;
924
925 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
926 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
927
928 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
929 tg3_writephy(tp, 0x16, 0x0000);
930
931 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
932 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
933 /* Set Extended packet length bit for jumbo frames */
934 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
935 }
936 else {
937 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
938 }
939
940 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
941
942 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
943 reg32 &= ~0x3000;
944 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
945 } else if (!err)
946 err = -EBUSY;
947
948 return err;
949}
950
951/* This will reset the tigon3 PHY if there is no valid
952 * link unless the FORCE argument is non-zero.
953 */
954static int tg3_phy_reset(struct tg3 *tp)
955{
956 u32 phy_status;
957 int err;
958
959 err = tg3_readphy(tp, MII_BMSR, &phy_status);
960 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
961 if (err != 0)
962 return -EBUSY;
963
964 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
965 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
966 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
967 err = tg3_phy_reset_5703_4_5(tp);
968 if (err)
969 return err;
970 goto out;
971 }
972
973 err = tg3_bmcr_reset(tp);
974 if (err)
975 return err;
976
977out:
978 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
979 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
980 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
981 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
982 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
983 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
984 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
985 }
986 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
987 tg3_writephy(tp, 0x1c, 0x8d68);
988 tg3_writephy(tp, 0x1c, 0x8d68);
989 }
990 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
991 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
992 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
993 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
994 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
995 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
996 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
997 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
998 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
999 }
1000 /* Set Extended packet length bit (bit 14) on all chips that */
1001 /* support jumbo frames */
1002 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1003 /* Cannot do read-modify-write on 5401 */
1004 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
0f893dc6 1005 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1006 u32 phy_reg;
1007
1008 /* Set bit 14 with read-modify-write to preserve other bits */
1009 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1010 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1011 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1012 }
1013
1014 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1015 * jumbo frames transmission.
1016 */
0f893dc6 1017 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1018 u32 phy_reg;
1019
1020 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1021 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1022 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1023 }
1024
1025 tg3_phy_set_wirespeed(tp);
1026 return 0;
1027}
1028
1029static void tg3_frob_aux_power(struct tg3 *tp)
1030{
1031 struct tg3 *tp_peer = tp;
1032
1033 if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
1034 return;
1035
8c2dc7e1
MC		 1036 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1037 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1038 struct net_device *dev_peer;
1039
1040 dev_peer = pci_get_drvdata(tp->pdev_peer);
1041 if (!dev_peer)
1da177e4 1042 BUG();
8c2dc7e1 1043 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 1044 }
1045
1da177e4 1046 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 1047 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1048 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1049 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 1050 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1051 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 1052 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1053 (GRC_LCLCTRL_GPIO_OE0 |
1054 GRC_LCLCTRL_GPIO_OE1 |
1055 GRC_LCLCTRL_GPIO_OE2 |
1056 GRC_LCLCTRL_GPIO_OUTPUT0 |
1057 GRC_LCLCTRL_GPIO_OUTPUT1),
1058 100);
1da177e4
LT		 1059 } else {
1060 u32 no_gpio2;
dc56b7d4 1061 u32 grc_local_ctrl = 0;
1da177e4
LT		 1062
1063 if (tp_peer != tp &&
1064 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1065 return;
1066
dc56b7d4
MC		 1067 /* Workaround to prevent overdrawing Amps. */
1068 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1069 ASIC_REV_5714) {
1070 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 1071 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1072 grc_local_ctrl, 100);
dc56b7d4
MC		 1073 }
1074
1da177e4
LT		 1075 /* On 5753 and variants, GPIO2 cannot be used. */
1076 no_gpio2 = tp->nic_sram_data_cfg &
1077 NIC_SRAM_DATA_CFG_NO_GPIO2;
1078
dc56b7d4 1079 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 1080 GRC_LCLCTRL_GPIO_OE1 |
1081 GRC_LCLCTRL_GPIO_OE2 |
1082 GRC_LCLCTRL_GPIO_OUTPUT1 |
1083 GRC_LCLCTRL_GPIO_OUTPUT2;
1084 if (no_gpio2) {
1085 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1086 GRC_LCLCTRL_GPIO_OUTPUT2);
1087 }
b401e9e2
MC		 1088 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1089 grc_local_ctrl, 100);
1da177e4
LT		 1090
1091 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1092
b401e9e2
MC		 1093 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1094 grc_local_ctrl, 100);
1da177e4
LT		 1095
1096 if (!no_gpio2) {
1097 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 1098 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1099 grc_local_ctrl, 100);
1da177e4
LT		 1100 }
1101 }
1102 } else {
1103 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1104 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1105 if (tp_peer != tp &&
1106 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1107 return;
1108
b401e9e2
MC		 1109 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1110 (GRC_LCLCTRL_GPIO_OE1 |
1111 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 1112
b401e9e2
MC		 1113 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1114 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 1115
b401e9e2
MC		 1116 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1117 (GRC_LCLCTRL_GPIO_OE1 |
1118 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 1119 }
1120 }
1121}
1122
1123static int tg3_setup_phy(struct tg3 *, int);
1124
1125#define RESET_KIND_SHUTDOWN 0
1126#define RESET_KIND_INIT 1
1127#define RESET_KIND_SUSPEND 2
1128
1129static void tg3_write_sig_post_reset(struct tg3 *, int);
1130static int tg3_halt_cpu(struct tg3 *, u32);
6921d201
MC		 1131static int tg3_nvram_lock(struct tg3 *);
1132static void tg3_nvram_unlock(struct tg3 *);
1da177e4
LT		 1133
1134static int tg3_set_power_state(struct tg3 *tp, int state)
1135{
1136 u32 misc_host_ctrl;
1137 u16 power_control, power_caps;
1138 int pm = tp->pm_cap;
1139
1140 /* Make sure register accesses (indirect or otherwise)
1141 * will function correctly.
1142 */
1143 pci_write_config_dword(tp->pdev,
1144 TG3PCI_MISC_HOST_CTRL,
1145 tp->misc_host_ctrl);
1146
1147 pci_read_config_word(tp->pdev,
1148 pm + PCI_PM_CTRL,
1149 &power_control);
1150 power_control |= PCI_PM_CTRL_PME_STATUS;
1151 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1152 switch (state) {
1153 case 0:
1154 power_control |= 0;
1155 pci_write_config_word(tp->pdev,
1156 pm + PCI_PM_CTRL,
1157 power_control);
8c6bda1a
MC		 1158 udelay(100); /* Delay after power state change */
1159
1160 /* Switch out of Vaux if it is not a LOM */
b401e9e2
MC		 1161 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
1162 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 1163
1164 return 0;
1165
1166 case 1:
1167 power_control |= 1;
1168 break;
1169
1170 case 2:
1171 power_control |= 2;
1172 break;
1173
1174 case 3:
1175 power_control |= 3;
1176 break;
1177
1178 default:
1179 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1180 "requested.\n",
1181 tp->dev->name, state);
1182 return -EINVAL;
1183 };
1184
1185 power_control |= PCI_PM_CTRL_PME_ENABLE;
1186
1187 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1188 tw32(TG3PCI_MISC_HOST_CTRL,
1189 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1190
1191 if (tp->link_config.phy_is_low_power == 0) {
1192 tp->link_config.phy_is_low_power = 1;
1193 tp->link_config.orig_speed = tp->link_config.speed;
1194 tp->link_config.orig_duplex = tp->link_config.duplex;
1195 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1196 }
1197
747e8f8b 1198 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 1199 tp->link_config.speed = SPEED_10;
1200 tp->link_config.duplex = DUPLEX_HALF;
1201 tp->link_config.autoneg = AUTONEG_ENABLE;
1202 tg3_setup_phy(tp, 0);
1203 }
1204
6921d201
MC		 1205 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1206 int i;
1207 u32 val;
1208
1209 for (i = 0; i < 200; i++) {
1210 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1211 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1212 break;
1213 msleep(1);
1214 }
1215 }
1216 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1217 WOL_DRV_STATE_SHUTDOWN |
1218 WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1219
1da177e4
LT		 1220 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1221
1222 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1223 u32 mac_mode;
1224
1225 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1226 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1227 udelay(40);
1228
1229 mac_mode = MAC_MODE_PORT_MODE_MII;
1230
1231 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1232 !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1233 mac_mode |= MAC_MODE_LINK_POLARITY;
1234 } else {
1235 mac_mode = MAC_MODE_PORT_MODE_TBI;
1236 }
1237
cbf46853 1238 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 1239 tw32(MAC_LED_CTRL, tp->led_ctrl);
1240
1241 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1242 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1243 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1244
1245 tw32_f(MAC_MODE, mac_mode);
1246 udelay(100);
1247
1248 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1249 udelay(10);
1250 }
1251
1252 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1253 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1254 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1255 u32 base_val;
1256
1257 base_val = tp->pci_clock_ctrl;
1258 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1259 CLOCK_CTRL_TXCLK_DISABLE);
1260
b401e9e2
MC		 1261 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1262 CLOCK_CTRL_PWRDOWN_PLL133, 40);
a4e2b347 1263 } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4cf78e4f 1264 /* do nothing */
85e94ced 1265 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 1266 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1267 u32 newbits1, newbits2;
1268
1269 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1270 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1271 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1272 CLOCK_CTRL_TXCLK_DISABLE |
1273 CLOCK_CTRL_ALTCLK);
1274 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1275 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1276 newbits1 = CLOCK_CTRL_625_CORE;
1277 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1278 } else {
1279 newbits1 = CLOCK_CTRL_ALTCLK;
1280 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1281 }
1282
b401e9e2
MC		 1283 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1284 40);
1da177e4 1285
b401e9e2
MC		 1286 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1287 40);
1da177e4
LT		 1288
1289 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1290 u32 newbits3;
1291
1292 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1293 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1294 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1295 CLOCK_CTRL_TXCLK_DISABLE |
1296 CLOCK_CTRL_44MHZ_CORE);
1297 } else {
1298 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1299 }
1300
b401e9e2
MC		 1301 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1302 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 1303 }
1304 }
1305
6921d201
MC		 1306 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1307 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1308 /* Turn off the PHY */
1309 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1310 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1311 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1312 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
dc56b7d4
MC		 1313 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
1314 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
6921d201
MC		 1315 }
1316 }
1317
1da177e4
LT		 1318 tg3_frob_aux_power(tp);
1319
1320 /* Workaround for unstable PLL clock */
1321 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1322 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1323 u32 val = tr32(0x7d00);
1324
1325 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1326 tw32(0x7d00, val);
6921d201
MC		 1327 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1328 tg3_nvram_lock(tp);
1da177e4 1329 tg3_halt_cpu(tp, RX_CPU_BASE);
6921d201
MC		 1330 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR0);
1331 tg3_nvram_unlock(tp);
1332 }
1da177e4
LT		 1333 }
1334
1335 /* Finally, set the new power state. */
1336 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
8c6bda1a 1337 udelay(100); /* Delay after power state change */
1da177e4
LT		 1338
1339 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1340
1341 return 0;
1342}
1343
1344static void tg3_link_report(struct tg3 *tp)
1345{
1346 if (!netif_carrier_ok(tp->dev)) {
1347 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1348 } else {
1349 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1350 tp->dev->name,
1351 (tp->link_config.active_speed == SPEED_1000 ?
1352 1000 :
1353 (tp->link_config.active_speed == SPEED_100 ?
1354 100 : 10)),
1355 (tp->link_config.active_duplex == DUPLEX_FULL ?
1356 "full" : "half"));
1357
1358 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1359 "%s for RX.\n",
1360 tp->dev->name,
1361 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1362 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1363 }
1364}
1365
1366static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1367{
1368 u32 new_tg3_flags = 0;
1369 u32 old_rx_mode = tp->rx_mode;
1370 u32 old_tx_mode = tp->tx_mode;
1371
1372 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
747e8f8b
MC		 1373
1374 /* Convert 1000BaseX flow control bits to 1000BaseT
1375 * bits before resolving flow control.
1376 */
1377 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1378 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1379 ADVERTISE_PAUSE_ASYM);
1380 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1381
1382 if (local_adv & ADVERTISE_1000XPAUSE)
1383 local_adv |= ADVERTISE_PAUSE_CAP;
1384 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1385 local_adv |= ADVERTISE_PAUSE_ASYM;
1386 if (remote_adv & LPA_1000XPAUSE)
1387 remote_adv |= LPA_PAUSE_CAP;
1388 if (remote_adv & LPA_1000XPAUSE_ASYM)
1389 remote_adv |= LPA_PAUSE_ASYM;
1390 }
1391
1da177e4
LT		 1392 if (local_adv & ADVERTISE_PAUSE_CAP) {
1393 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1394 if (remote_adv & LPA_PAUSE_CAP)
1395 new_tg3_flags |=
1396 (TG3_FLAG_RX_PAUSE |
1397 TG3_FLAG_TX_PAUSE);
1398 else if (remote_adv & LPA_PAUSE_ASYM)
1399 new_tg3_flags |=
1400 (TG3_FLAG_RX_PAUSE);
1401 } else {
1402 if (remote_adv & LPA_PAUSE_CAP)
1403 new_tg3_flags |=
1404 (TG3_FLAG_RX_PAUSE |
1405 TG3_FLAG_TX_PAUSE);
1406 }
1407 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1408 if ((remote_adv & LPA_PAUSE_CAP) &&
1409 (remote_adv & LPA_PAUSE_ASYM))
1410 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1411 }
1412
1413 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1414 tp->tg3_flags |= new_tg3_flags;
1415 } else {
1416 new_tg3_flags = tp->tg3_flags;
1417 }
1418
1419 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1420 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1421 else
1422 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1423
1424 if (old_rx_mode != tp->rx_mode) {
1425 tw32_f(MAC_RX_MODE, tp->rx_mode);
1426 }
1427
1428 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1429 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1430 else
1431 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1432
1433 if (old_tx_mode != tp->tx_mode) {
1434 tw32_f(MAC_TX_MODE, tp->tx_mode);
1435 }
1436}
1437
1438static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1439{
1440 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1441 case MII_TG3_AUX_STAT_10HALF:
1442 *speed = SPEED_10;
1443 *duplex = DUPLEX_HALF;
1444 break;
1445
1446 case MII_TG3_AUX_STAT_10FULL:
1447 *speed = SPEED_10;
1448 *duplex = DUPLEX_FULL;
1449 break;
1450
1451 case MII_TG3_AUX_STAT_100HALF:
1452 *speed = SPEED_100;
1453 *duplex = DUPLEX_HALF;
1454 break;
1455
1456 case MII_TG3_AUX_STAT_100FULL:
1457 *speed = SPEED_100;
1458 *duplex = DUPLEX_FULL;
1459 break;
1460
1461 case MII_TG3_AUX_STAT_1000HALF:
1462 *speed = SPEED_1000;
1463 *duplex = DUPLEX_HALF;
1464 break;
1465
1466 case MII_TG3_AUX_STAT_1000FULL:
1467 *speed = SPEED_1000;
1468 *duplex = DUPLEX_FULL;
1469 break;
1470
1471 default:
1472 *speed = SPEED_INVALID;
1473 *duplex = DUPLEX_INVALID;
1474 break;
1475 };
1476}
1477
1478static void tg3_phy_copper_begin(struct tg3 *tp)
1479{
1480 u32 new_adv;
1481 int i;
1482
1483 if (tp->link_config.phy_is_low_power) {
1484 /* Entering low power mode. Disable gigabit and
1485 * 100baseT advertisements.
1486 */
1487 tg3_writephy(tp, MII_TG3_CTRL, 0);
1488
1489 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1490 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1491 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1492 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1493
1494 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1495 } else if (tp->link_config.speed == SPEED_INVALID) {
1496 tp->link_config.advertising =
1497 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1498 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1499 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1500 ADVERTISED_Autoneg | ADVERTISED_MII);
1501
1502 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1503 tp->link_config.advertising &=
1504 ~(ADVERTISED_1000baseT_Half |
1505 ADVERTISED_1000baseT_Full);
1506
1507 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1508 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1509 new_adv |= ADVERTISE_10HALF;
1510 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1511 new_adv |= ADVERTISE_10FULL;
1512 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1513 new_adv |= ADVERTISE_100HALF;
1514 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1515 new_adv |= ADVERTISE_100FULL;
1516 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1517
1518 if (tp->link_config.advertising &
1519 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1520 new_adv = 0;
1521 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1522 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1523 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1524 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1525 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1526 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1527 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1528 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1529 MII_TG3_CTRL_ENABLE_AS_MASTER);
1530 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1531 } else {
1532 tg3_writephy(tp, MII_TG3_CTRL, 0);
1533 }
1534 } else {
1535 /* Asking for a specific link mode. */
1536 if (tp->link_config.speed == SPEED_1000) {
1537 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1538 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1539
1540 if (tp->link_config.duplex == DUPLEX_FULL)
1541 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1542 else
1543 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1544 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1545 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1546 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1547 MII_TG3_CTRL_ENABLE_AS_MASTER);
1548 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1549 } else {
1550 tg3_writephy(tp, MII_TG3_CTRL, 0);
1551
1552 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1553 if (tp->link_config.speed == SPEED_100) {
1554 if (tp->link_config.duplex == DUPLEX_FULL)
1555 new_adv |= ADVERTISE_100FULL;
1556 else
1557 new_adv |= ADVERTISE_100HALF;
1558 } else {
1559 if (tp->link_config.duplex == DUPLEX_FULL)
1560 new_adv |= ADVERTISE_10FULL;
1561 else
1562 new_adv |= ADVERTISE_10HALF;
1563 }
1564 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1565 }
1566 }
1567
1568 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1569 tp->link_config.speed != SPEED_INVALID) {
1570 u32 bmcr, orig_bmcr;
1571
1572 tp->link_config.active_speed = tp->link_config.speed;
1573 tp->link_config.active_duplex = tp->link_config.duplex;
1574
1575 bmcr = 0;
1576 switch (tp->link_config.speed) {
1577 default:
1578 case SPEED_10:
1579 break;
1580
1581 case SPEED_100:
1582 bmcr |= BMCR_SPEED100;
1583 break;
1584
1585 case SPEED_1000:
1586 bmcr |= TG3_BMCR_SPEED1000;
1587 break;
1588 };
1589
1590 if (tp->link_config.duplex == DUPLEX_FULL)
1591 bmcr |= BMCR_FULLDPLX;
1592
1593 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1594 (bmcr != orig_bmcr)) {
1595 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1596 for (i = 0; i < 1500; i++) {
1597 u32 tmp;
1598
1599 udelay(10);
1600 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1601 tg3_readphy(tp, MII_BMSR, &tmp))
1602 continue;
1603 if (!(tmp & BMSR_LSTATUS)) {
1604 udelay(40);
1605 break;
1606 }
1607 }
1608 tg3_writephy(tp, MII_BMCR, bmcr);
1609 udelay(40);
1610 }
1611 } else {
1612 tg3_writephy(tp, MII_BMCR,
1613 BMCR_ANENABLE | BMCR_ANRESTART);
1614 }
1615}
1616
1617static int tg3_init_5401phy_dsp(struct tg3 *tp)
1618{
1619 int err;
1620
1621 /* Turn off tap power management. */
1622 /* Set Extended packet length bit */
1623 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1624
1625 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1626 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1627
1628 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1629 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1630
1631 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1632 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1633
1634 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1635 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1636
1637 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1638 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1639
1640 udelay(40);
1641
1642 return err;
1643}
1644
1645static int tg3_copper_is_advertising_all(struct tg3 *tp)
1646{
1647 u32 adv_reg, all_mask;
1648
1649 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1650 return 0;
1651
1652 all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1653 ADVERTISE_100HALF | ADVERTISE_100FULL);
1654 if ((adv_reg & all_mask) != all_mask)
1655 return 0;
1656 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1657 u32 tg3_ctrl;
1658
1659 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1660 return 0;
1661
1662 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1663 MII_TG3_CTRL_ADV_1000_FULL);
1664 if ((tg3_ctrl & all_mask) != all_mask)
1665 return 0;
1666 }
1667 return 1;
1668}
1669
1670static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1671{
1672 int current_link_up;
1673 u32 bmsr, dummy;
1674 u16 current_speed;
1675 u8 current_duplex;
1676 int i, err;
1677
1678 tw32(MAC_EVENT, 0);
1679
1680 tw32_f(MAC_STATUS,
1681 (MAC_STATUS_SYNC_CHANGED |
1682 MAC_STATUS_CFG_CHANGED |
1683 MAC_STATUS_MI_COMPLETION |
1684 MAC_STATUS_LNKSTATE_CHANGED));
1685 udelay(40);
1686
1687 tp->mi_mode = MAC_MI_MODE_BASE;
1688 tw32_f(MAC_MI_MODE, tp->mi_mode);
1689 udelay(80);
1690
1691 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1692
1693 /* Some third-party PHYs need to be reset on link going
1694 * down.
1695 */
1696 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1697 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1698 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1699 netif_carrier_ok(tp->dev)) {
1700 tg3_readphy(tp, MII_BMSR, &bmsr);
1701 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1702 !(bmsr & BMSR_LSTATUS))
1703 force_reset = 1;
1704 }
1705 if (force_reset)
1706 tg3_phy_reset(tp);
1707
1708 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1709 tg3_readphy(tp, MII_BMSR, &bmsr);
1710 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1711 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1712 bmsr = 0;
1713
1714 if (!(bmsr & BMSR_LSTATUS)) {
1715 err = tg3_init_5401phy_dsp(tp);
1716 if (err)
1717 return err;
1718
1719 tg3_readphy(tp, MII_BMSR, &bmsr);
1720 for (i = 0; i < 1000; i++) {
1721 udelay(10);
1722 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1723 (bmsr & BMSR_LSTATUS)) {
1724 udelay(40);
1725 break;
1726 }
1727 }
1728
1729 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1730 !(bmsr & BMSR_LSTATUS) &&
1731 tp->link_config.active_speed == SPEED_1000) {
1732 err = tg3_phy_reset(tp);
1733 if (!err)
1734 err = tg3_init_5401phy_dsp(tp);
1735 if (err)
1736 return err;
1737 }
1738 }
1739 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1740 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1741 /* 5701 {A0,B0} CRC bug workaround */
1742 tg3_writephy(tp, 0x15, 0x0a75);
1743 tg3_writephy(tp, 0x1c, 0x8c68);
1744 tg3_writephy(tp, 0x1c, 0x8d68);
1745 tg3_writephy(tp, 0x1c, 0x8c68);
1746 }
1747
1748 /* Clear pending interrupts... */
1749 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1750 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1751
1752 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1753 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1754 else
1755 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1756
1757 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1758 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1759 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1760 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1761 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1762 else
1763 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1764 }
1765
1766 current_link_up = 0;
1767 current_speed = SPEED_INVALID;
1768 current_duplex = DUPLEX_INVALID;
1769
1770 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1771 u32 val;
1772
1773 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1774 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1775 if (!(val & (1 << 10))) {
1776 val |= (1 << 10);
1777 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1778 goto relink;
1779 }
1780 }
1781
1782 bmsr = 0;
1783 for (i = 0; i < 100; i++) {
1784 tg3_readphy(tp, MII_BMSR, &bmsr);
1785 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1786 (bmsr & BMSR_LSTATUS))
1787 break;
1788 udelay(40);
1789 }
1790
1791 if (bmsr & BMSR_LSTATUS) {
1792 u32 aux_stat, bmcr;
1793
1794 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1795 for (i = 0; i < 2000; i++) {
1796 udelay(10);
1797 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1798 aux_stat)
1799 break;
1800 }
1801
1802 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1803 &current_speed,
1804 &current_duplex);
1805
1806 bmcr = 0;
1807 for (i = 0; i < 200; i++) {
1808 tg3_readphy(tp, MII_BMCR, &bmcr);
1809 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1810 continue;
1811 if (bmcr && bmcr != 0x7fff)
1812 break;
1813 udelay(10);
1814 }
1815
1816 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1817 if (bmcr & BMCR_ANENABLE) {
1818 current_link_up = 1;
1819
1820 /* Force autoneg restart if we are exiting
1821 * low power mode.
1822 */
1823 if (!tg3_copper_is_advertising_all(tp))
1824 current_link_up = 0;
1825 } else {
1826 current_link_up = 0;
1827 }
1828 } else {
1829 if (!(bmcr & BMCR_ANENABLE) &&
1830 tp->link_config.speed == current_speed &&
1831 tp->link_config.duplex == current_duplex) {
1832 current_link_up = 1;
1833 } else {
1834 current_link_up = 0;
1835 }
1836 }
1837
1838 tp->link_config.active_speed = current_speed;
1839 tp->link_config.active_duplex = current_duplex;
1840 }
1841
1842 if (current_link_up == 1 &&
1843 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1844 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1845 u32 local_adv, remote_adv;
1846
1847 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1848 local_adv = 0;
1849 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1850
1851 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1852 remote_adv = 0;
1853
1854 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1855
1856 /* If we are not advertising full pause capability,
1857 * something is wrong. Bring the link down and reconfigure.
1858 */
1859 if (local_adv != ADVERTISE_PAUSE_CAP) {
1860 current_link_up = 0;
1861 } else {
1862 tg3_setup_flow_control(tp, local_adv, remote_adv);
1863 }
1864 }
1865relink:
6921d201 1866 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 1867 u32 tmp;
1868
1869 tg3_phy_copper_begin(tp);
1870
1871 tg3_readphy(tp, MII_BMSR, &tmp);
1872 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1873 (tmp & BMSR_LSTATUS))
1874 current_link_up = 1;
1875 }
1876
1877 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1878 if (current_link_up == 1) {
1879 if (tp->link_config.active_speed == SPEED_100 ||
1880 tp->link_config.active_speed == SPEED_10)
1881 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1882 else
1883 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1884 } else
1885 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1886
1887 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1888 if (tp->link_config.active_duplex == DUPLEX_HALF)
1889 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1890
1891 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1892 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1893 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1894 (current_link_up == 1 &&
1895 tp->link_config.active_speed == SPEED_10))
1896 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1897 } else {
1898 if (current_link_up == 1)
1899 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1900 }
1901
1902 /* ??? Without this setting Netgear GA302T PHY does not
1903 * ??? send/receive packets...
1904 */
1905 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1906 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1907 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1908 tw32_f(MAC_MI_MODE, tp->mi_mode);
1909 udelay(80);
1910 }
1911
1912 tw32_f(MAC_MODE, tp->mac_mode);
1913 udelay(40);
1914
1915 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1916 /* Polled via timer. */
1917 tw32_f(MAC_EVENT, 0);
1918 } else {
1919 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1920 }
1921 udelay(40);
1922
1923 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1924 current_link_up == 1 &&
1925 tp->link_config.active_speed == SPEED_1000 &&
1926 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1927 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1928 udelay(120);
1929 tw32_f(MAC_STATUS,
1930 (MAC_STATUS_SYNC_CHANGED |
1931 MAC_STATUS_CFG_CHANGED));
1932 udelay(40);
1933 tg3_write_mem(tp,
1934 NIC_SRAM_FIRMWARE_MBOX,
1935 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
1936 }
1937
1938 if (current_link_up != netif_carrier_ok(tp->dev)) {
1939 if (current_link_up)
1940 netif_carrier_on(tp->dev);
1941 else
1942 netif_carrier_off(tp->dev);
1943 tg3_link_report(tp);
1944 }
1945
1946 return 0;
1947}
1948
1949struct tg3_fiber_aneginfo {
1950 int state;
1951#define ANEG_STATE_UNKNOWN 0
1952#define ANEG_STATE_AN_ENABLE 1
1953#define ANEG_STATE_RESTART_INIT 2
1954#define ANEG_STATE_RESTART 3
1955#define ANEG_STATE_DISABLE_LINK_OK 4
1956#define ANEG_STATE_ABILITY_DETECT_INIT 5
1957#define ANEG_STATE_ABILITY_DETECT 6
1958#define ANEG_STATE_ACK_DETECT_INIT 7
1959#define ANEG_STATE_ACK_DETECT 8
1960#define ANEG_STATE_COMPLETE_ACK_INIT 9
1961#define ANEG_STATE_COMPLETE_ACK 10
1962#define ANEG_STATE_IDLE_DETECT_INIT 11
1963#define ANEG_STATE_IDLE_DETECT 12
1964#define ANEG_STATE_LINK_OK 13
1965#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
1966#define ANEG_STATE_NEXT_PAGE_WAIT 15
1967
1968 u32 flags;
1969#define MR_AN_ENABLE 0x00000001
1970#define MR_RESTART_AN 0x00000002
1971#define MR_AN_COMPLETE 0x00000004
1972#define MR_PAGE_RX 0x00000008
1973#define MR_NP_LOADED 0x00000010
1974#define MR_TOGGLE_TX 0x00000020
1975#define MR_LP_ADV_FULL_DUPLEX 0x00000040
1976#define MR_LP_ADV_HALF_DUPLEX 0x00000080
1977#define MR_LP_ADV_SYM_PAUSE 0x00000100
1978#define MR_LP_ADV_ASYM_PAUSE 0x00000200
1979#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
1980#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
1981#define MR_LP_ADV_NEXT_PAGE 0x00001000
1982#define MR_TOGGLE_RX 0x00002000
1983#define MR_NP_RX 0x00004000
1984
1985#define MR_LINK_OK 0x80000000
1986
1987 unsigned long link_time, cur_time;
1988
1989 u32 ability_match_cfg;
1990 int ability_match_count;
1991
1992 char ability_match, idle_match, ack_match;
1993
1994 u32 txconfig, rxconfig;
1995#define ANEG_CFG_NP 0x00000080
1996#define ANEG_CFG_ACK 0x00000040
1997#define ANEG_CFG_RF2 0x00000020
1998#define ANEG_CFG_RF1 0x00000010
1999#define ANEG_CFG_PS2 0x00000001
2000#define ANEG_CFG_PS1 0x00008000
2001#define ANEG_CFG_HD 0x00004000
2002#define ANEG_CFG_FD 0x00002000
2003#define ANEG_CFG_INVAL 0x00001f06
2004
2005};
2006#define ANEG_OK 0
2007#define ANEG_DONE 1
2008#define ANEG_TIMER_ENAB 2
2009#define ANEG_FAILED -1
2010
2011#define ANEG_STATE_SETTLE_TIME 10000
2012
2013static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2014 struct tg3_fiber_aneginfo *ap)
2015{
2016 unsigned long delta;
2017 u32 rx_cfg_reg;
2018 int ret;
2019
2020 if (ap->state == ANEG_STATE_UNKNOWN) {
2021 ap->rxconfig = 0;
2022 ap->link_time = 0;
2023 ap->cur_time = 0;
2024 ap->ability_match_cfg = 0;
2025 ap->ability_match_count = 0;
2026 ap->ability_match = 0;
2027 ap->idle_match = 0;
2028 ap->ack_match = 0;
2029 }
2030 ap->cur_time++;
2031
2032 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2033 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2034
2035 if (rx_cfg_reg != ap->ability_match_cfg) {
2036 ap->ability_match_cfg = rx_cfg_reg;
2037 ap->ability_match = 0;
2038 ap->ability_match_count = 0;
2039 } else {
2040 if (++ap->ability_match_count > 1) {
2041 ap->ability_match = 1;
2042 ap->ability_match_cfg = rx_cfg_reg;
2043 }
2044 }
2045 if (rx_cfg_reg & ANEG_CFG_ACK)
2046 ap->ack_match = 1;
2047 else
2048 ap->ack_match = 0;
2049
2050 ap->idle_match = 0;
2051 } else {
2052 ap->idle_match = 1;
2053 ap->ability_match_cfg = 0;
2054 ap->ability_match_count = 0;
2055 ap->ability_match = 0;
2056 ap->ack_match = 0;
2057
2058 rx_cfg_reg = 0;
2059 }
2060
2061 ap->rxconfig = rx_cfg_reg;
2062 ret = ANEG_OK;
2063
2064 switch(ap->state) {
2065 case ANEG_STATE_UNKNOWN:
2066 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2067 ap->state = ANEG_STATE_AN_ENABLE;
2068
2069 /* fallthru */
2070 case ANEG_STATE_AN_ENABLE:
2071 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2072 if (ap->flags & MR_AN_ENABLE) {
2073 ap->link_time = 0;
2074 ap->cur_time = 0;
2075 ap->ability_match_cfg = 0;
2076 ap->ability_match_count = 0;
2077 ap->ability_match = 0;
2078 ap->idle_match = 0;
2079 ap->ack_match = 0;
2080
2081 ap->state = ANEG_STATE_RESTART_INIT;
2082 } else {
2083 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2084 }
2085 break;
2086
2087 case ANEG_STATE_RESTART_INIT:
2088 ap->link_time = ap->cur_time;
2089 ap->flags &= ~(MR_NP_LOADED);
2090 ap->txconfig = 0;
2091 tw32(MAC_TX_AUTO_NEG, 0);
2092 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2093 tw32_f(MAC_MODE, tp->mac_mode);
2094 udelay(40);
2095
2096 ret = ANEG_TIMER_ENAB;
2097 ap->state = ANEG_STATE_RESTART;
2098
2099 /* fallthru */
2100 case ANEG_STATE_RESTART:
2101 delta = ap->cur_time - ap->link_time;
2102 if (delta > ANEG_STATE_SETTLE_TIME) {
2103 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2104 } else {
2105 ret = ANEG_TIMER_ENAB;
2106 }
2107 break;
2108
2109 case ANEG_STATE_DISABLE_LINK_OK:
2110 ret = ANEG_DONE;
2111 break;
2112
2113 case ANEG_STATE_ABILITY_DETECT_INIT:
2114 ap->flags &= ~(MR_TOGGLE_TX);
2115 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2116 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2117 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2118 tw32_f(MAC_MODE, tp->mac_mode);
2119 udelay(40);
2120
2121 ap->state = ANEG_STATE_ABILITY_DETECT;
2122 break;
2123
2124 case ANEG_STATE_ABILITY_DETECT:
2125 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2126 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2127 }
2128 break;
2129
2130 case ANEG_STATE_ACK_DETECT_INIT:
2131 ap->txconfig |= ANEG_CFG_ACK;
2132 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2133 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2134 tw32_f(MAC_MODE, tp->mac_mode);
2135 udelay(40);
2136
2137 ap->state = ANEG_STATE_ACK_DETECT;
2138
2139 /* fallthru */
2140 case ANEG_STATE_ACK_DETECT:
2141 if (ap->ack_match != 0) {
2142 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2143 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2144 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2145 } else {
2146 ap->state = ANEG_STATE_AN_ENABLE;
2147 }
2148 } else if (ap->ability_match != 0 &&
2149 ap->rxconfig == 0) {
2150 ap->state = ANEG_STATE_AN_ENABLE;
2151 }
2152 break;
2153
2154 case ANEG_STATE_COMPLETE_ACK_INIT:
2155 if (ap->rxconfig & ANEG_CFG_INVAL) {
2156 ret = ANEG_FAILED;
2157 break;
2158 }
2159 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2160 MR_LP_ADV_HALF_DUPLEX |
2161 MR_LP_ADV_SYM_PAUSE |
2162 MR_LP_ADV_ASYM_PAUSE |
2163 MR_LP_ADV_REMOTE_FAULT1 |
2164 MR_LP_ADV_REMOTE_FAULT2 |
2165 MR_LP_ADV_NEXT_PAGE |
2166 MR_TOGGLE_RX |
2167 MR_NP_RX);
2168 if (ap->rxconfig & ANEG_CFG_FD)
2169 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2170 if (ap->rxconfig & ANEG_CFG_HD)
2171 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2172 if (ap->rxconfig & ANEG_CFG_PS1)
2173 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2174 if (ap->rxconfig & ANEG_CFG_PS2)
2175 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2176 if (ap->rxconfig & ANEG_CFG_RF1)
2177 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2178 if (ap->rxconfig & ANEG_CFG_RF2)
2179 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2180 if (ap->rxconfig & ANEG_CFG_NP)
2181 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2182
2183 ap->link_time = ap->cur_time;
2184
2185 ap->flags ^= (MR_TOGGLE_TX);
2186 if (ap->rxconfig & 0x0008)
2187 ap->flags |= MR_TOGGLE_RX;
2188 if (ap->rxconfig & ANEG_CFG_NP)
2189 ap->flags |= MR_NP_RX;
2190 ap->flags |= MR_PAGE_RX;
2191
2192 ap->state = ANEG_STATE_COMPLETE_ACK;
2193 ret = ANEG_TIMER_ENAB;
2194 break;
2195
2196 case ANEG_STATE_COMPLETE_ACK:
2197 if (ap->ability_match != 0 &&
2198 ap->rxconfig == 0) {
2199 ap->state = ANEG_STATE_AN_ENABLE;
2200 break;
2201 }
2202 delta = ap->cur_time - ap->link_time;
2203 if (delta > ANEG_STATE_SETTLE_TIME) {
2204 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2205 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2206 } else {
2207 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2208 !(ap->flags & MR_NP_RX)) {
2209 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2210 } else {
2211 ret = ANEG_FAILED;
2212 }
2213 }
2214 }
2215 break;
2216
2217 case ANEG_STATE_IDLE_DETECT_INIT:
2218 ap->link_time = ap->cur_time;
2219 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2220 tw32_f(MAC_MODE, tp->mac_mode);
2221 udelay(40);
2222
2223 ap->state = ANEG_STATE_IDLE_DETECT;
2224 ret = ANEG_TIMER_ENAB;
2225 break;
2226
2227 case ANEG_STATE_IDLE_DETECT:
2228 if (ap->ability_match != 0 &&
2229 ap->rxconfig == 0) {
2230 ap->state = ANEG_STATE_AN_ENABLE;
2231 break;
2232 }
2233 delta = ap->cur_time - ap->link_time;
2234 if (delta > ANEG_STATE_SETTLE_TIME) {
2235 /* XXX another gem from the Broadcom driver :( */
2236 ap->state = ANEG_STATE_LINK_OK;
2237 }
2238 break;
2239
2240 case ANEG_STATE_LINK_OK:
2241 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2242 ret = ANEG_DONE;
2243 break;
2244
2245 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2246 /* ??? unimplemented */
2247 break;
2248
2249 case ANEG_STATE_NEXT_PAGE_WAIT:
2250 /* ??? unimplemented */
2251 break;
2252
2253 default:
2254 ret = ANEG_FAILED;
2255 break;
2256 };
2257
2258 return ret;
2259}
2260
2261static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2262{
2263 int res = 0;
2264 struct tg3_fiber_aneginfo aninfo;
2265 int status = ANEG_FAILED;
2266 unsigned int tick;
2267 u32 tmp;
2268
2269 tw32_f(MAC_TX_AUTO_NEG, 0);
2270
2271 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2272 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2273 udelay(40);
2274
2275 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2276 udelay(40);
2277
2278 memset(&aninfo, 0, sizeof(aninfo));
2279 aninfo.flags |= MR_AN_ENABLE;
2280 aninfo.state = ANEG_STATE_UNKNOWN;
2281 aninfo.cur_time = 0;
2282 tick = 0;
2283 while (++tick < 195000) {
2284 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2285 if (status == ANEG_DONE || status == ANEG_FAILED)
2286 break;
2287
2288 udelay(1);
2289 }
2290
2291 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2292 tw32_f(MAC_MODE, tp->mac_mode);
2293 udelay(40);
2294
2295 *flags = aninfo.flags;
2296
2297 if (status == ANEG_DONE &&
2298 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2299 MR_LP_ADV_FULL_DUPLEX)))
2300 res = 1;
2301
2302 return res;
2303}
2304
2305static void tg3_init_bcm8002(struct tg3 *tp)
2306{
2307 u32 mac_status = tr32(MAC_STATUS);
2308 int i;
2309
2310 /* Reset when initting first time or we have a link. */
2311 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2312 !(mac_status & MAC_STATUS_PCS_SYNCED))
2313 return;
2314
2315 /* Set PLL lock range. */
2316 tg3_writephy(tp, 0x16, 0x8007);
2317
2318 /* SW reset */
2319 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2320
2321 /* Wait for reset to complete. */
2322 /* XXX schedule_timeout() ... */
2323 for (i = 0; i < 500; i++)
2324 udelay(10);
2325
2326 /* Config mode; select PMA/Ch 1 regs. */
2327 tg3_writephy(tp, 0x10, 0x8411);
2328
2329 /* Enable auto-lock and comdet, select txclk for tx. */
2330 tg3_writephy(tp, 0x11, 0x0a10);
2331
2332 tg3_writephy(tp, 0x18, 0x00a0);
2333 tg3_writephy(tp, 0x16, 0x41ff);
2334
2335 /* Assert and deassert POR. */
2336 tg3_writephy(tp, 0x13, 0x0400);
2337 udelay(40);
2338 tg3_writephy(tp, 0x13, 0x0000);
2339
2340 tg3_writephy(tp, 0x11, 0x0a50);
2341 udelay(40);
2342 tg3_writephy(tp, 0x11, 0x0a10);
2343
2344 /* Wait for signal to stabilize */
2345 /* XXX schedule_timeout() ... */
2346 for (i = 0; i < 15000; i++)
2347 udelay(10);
2348
2349 /* Deselect the channel register so we can read the PHYID
2350 * later.
2351 */
2352 tg3_writephy(tp, 0x10, 0x8011);
2353}
2354
2355static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2356{
2357 u32 sg_dig_ctrl, sg_dig_status;
2358 u32 serdes_cfg, expected_sg_dig_ctrl;
2359 int workaround, port_a;
2360 int current_link_up;
2361
2362 serdes_cfg = 0;
2363 expected_sg_dig_ctrl = 0;
2364 workaround = 0;
2365 port_a = 1;
2366 current_link_up = 0;
2367
2368 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2369 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2370 workaround = 1;
2371 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2372 port_a = 0;
2373
2374 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2375 /* preserve bits 20-23 for voltage regulator */
2376 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2377 }
2378
2379 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2380
2381 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2382 if (sg_dig_ctrl & (1 << 31)) {
2383 if (workaround) {
2384 u32 val = serdes_cfg;
2385
2386 if (port_a)
2387 val |= 0xc010000;
2388 else
2389 val |= 0x4010000;
2390 tw32_f(MAC_SERDES_CFG, val);
2391 }
2392 tw32_f(SG_DIG_CTRL, 0x01388400);
2393 }
2394 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2395 tg3_setup_flow_control(tp, 0, 0);
2396 current_link_up = 1;
2397 }
2398 goto out;
2399 }
2400
2401 /* Want auto-negotiation. */
2402 expected_sg_dig_ctrl = 0x81388400;
2403
2404 /* Pause capability */
2405 expected_sg_dig_ctrl |= (1 << 11);
2406
2407 /* Asymettric pause */
2408 expected_sg_dig_ctrl |= (1 << 12);
2409
2410 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2411 if (workaround)
2412 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2413 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2414 udelay(5);
2415 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2416
2417 tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
2418 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2419 MAC_STATUS_SIGNAL_DET)) {
2420 int i;
2421
2422 /* Giver time to negotiate (~200ms) */
2423 for (i = 0; i < 40000; i++) {
2424 sg_dig_status = tr32(SG_DIG_STATUS);
2425 if (sg_dig_status & (0x3))
2426 break;
2427 udelay(5);
2428 }
2429 mac_status = tr32(MAC_STATUS);
2430
2431 if ((sg_dig_status & (1 << 1)) &&
2432 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2433 u32 local_adv, remote_adv;
2434
2435 local_adv = ADVERTISE_PAUSE_CAP;
2436 remote_adv = 0;
2437 if (sg_dig_status & (1 << 19))
2438 remote_adv |= LPA_PAUSE_CAP;
2439 if (sg_dig_status & (1 << 20))
2440 remote_adv |= LPA_PAUSE_ASYM;
2441
2442 tg3_setup_flow_control(tp, local_adv, remote_adv);
2443 current_link_up = 1;
2444 tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
2445 } else if (!(sg_dig_status & (1 << 1))) {
2446 if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED)
2447 tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
2448 else {
2449 if (workaround) {
2450 u32 val = serdes_cfg;
2451
2452 if (port_a)
2453 val |= 0xc010000;
2454 else
2455 val |= 0x4010000;
2456
2457 tw32_f(MAC_SERDES_CFG, val);
2458 }
2459
2460 tw32_f(SG_DIG_CTRL, 0x01388400);
2461 udelay(40);
2462
2463 /* Link parallel detection - link is up */
2464 /* only if we have PCS_SYNC and not */
2465 /* receiving config code words */
2466 mac_status = tr32(MAC_STATUS);
2467 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2468 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2469 tg3_setup_flow_control(tp, 0, 0);
2470 current_link_up = 1;
2471 }
2472 }
2473 }
2474 }
2475
2476out:
2477 return current_link_up;
2478}
2479
2480static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2481{
2482 int current_link_up = 0;
2483
2484 if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2485 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2486 goto out;
2487 }
2488
2489 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2490 u32 flags;
2491 int i;
2492
2493 if (fiber_autoneg(tp, &flags)) {
2494 u32 local_adv, remote_adv;
2495
2496 local_adv = ADVERTISE_PAUSE_CAP;
2497 remote_adv = 0;
2498 if (flags & MR_LP_ADV_SYM_PAUSE)
2499 remote_adv |= LPA_PAUSE_CAP;
2500 if (flags & MR_LP_ADV_ASYM_PAUSE)
2501 remote_adv |= LPA_PAUSE_ASYM;
2502
2503 tg3_setup_flow_control(tp, local_adv, remote_adv);
2504
2505 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2506 current_link_up = 1;
2507 }
2508 for (i = 0; i < 30; i++) {
2509 udelay(20);
2510 tw32_f(MAC_STATUS,
2511 (MAC_STATUS_SYNC_CHANGED |
2512 MAC_STATUS_CFG_CHANGED));
2513 udelay(40);
2514 if ((tr32(MAC_STATUS) &
2515 (MAC_STATUS_SYNC_CHANGED |
2516 MAC_STATUS_CFG_CHANGED)) == 0)
2517 break;
2518 }
2519
2520 mac_status = tr32(MAC_STATUS);
2521 if (current_link_up == 0 &&
2522 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2523 !(mac_status & MAC_STATUS_RCVD_CFG))
2524 current_link_up = 1;
2525 } else {
2526 /* Forcing 1000FD link up. */
2527 current_link_up = 1;
2528 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2529
2530 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2531 udelay(40);
2532 }
2533
2534out:
2535 return current_link_up;
2536}
2537
2538static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2539{
2540 u32 orig_pause_cfg;
2541 u16 orig_active_speed;
2542 u8 orig_active_duplex;
2543 u32 mac_status;
2544 int current_link_up;
2545 int i;
2546
2547 orig_pause_cfg =
2548 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2549 TG3_FLAG_TX_PAUSE));
2550 orig_active_speed = tp->link_config.active_speed;
2551 orig_active_duplex = tp->link_config.active_duplex;
2552
2553 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2554 netif_carrier_ok(tp->dev) &&
2555 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2556 mac_status = tr32(MAC_STATUS);
2557 mac_status &= (MAC_STATUS_PCS_SYNCED |
2558 MAC_STATUS_SIGNAL_DET |
2559 MAC_STATUS_CFG_CHANGED |
2560 MAC_STATUS_RCVD_CFG);
2561 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2562 MAC_STATUS_SIGNAL_DET)) {
2563 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2564 MAC_STATUS_CFG_CHANGED));
2565 return 0;
2566 }
2567 }
2568
2569 tw32_f(MAC_TX_AUTO_NEG, 0);
2570
2571 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2572 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2573 tw32_f(MAC_MODE, tp->mac_mode);
2574 udelay(40);
2575
2576 if (tp->phy_id == PHY_ID_BCM8002)
2577 tg3_init_bcm8002(tp);
2578
2579 /* Enable link change event even when serdes polling. */
2580 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2581 udelay(40);
2582
2583 current_link_up = 0;
2584 mac_status = tr32(MAC_STATUS);
2585
2586 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2587 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2588 else
2589 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2590
2591 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2592 tw32_f(MAC_MODE, tp->mac_mode);
2593 udelay(40);
2594
2595 tp->hw_status->status =
2596 (SD_STATUS_UPDATED |
2597 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2598
2599 for (i = 0; i < 100; i++) {
2600 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2601 MAC_STATUS_CFG_CHANGED));
2602 udelay(5);
2603 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2604 MAC_STATUS_CFG_CHANGED)) == 0)
2605 break;
2606 }
2607
2608 mac_status = tr32(MAC_STATUS);
2609 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2610 current_link_up = 0;
2611 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2612 tw32_f(MAC_MODE, (tp->mac_mode |
2613 MAC_MODE_SEND_CONFIGS));
2614 udelay(1);
2615 tw32_f(MAC_MODE, tp->mac_mode);
2616 }
2617 }
2618
2619 if (current_link_up == 1) {
2620 tp->link_config.active_speed = SPEED_1000;
2621 tp->link_config.active_duplex = DUPLEX_FULL;
2622 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2623 LED_CTRL_LNKLED_OVERRIDE |
2624 LED_CTRL_1000MBPS_ON));
2625 } else {
2626 tp->link_config.active_speed = SPEED_INVALID;
2627 tp->link_config.active_duplex = DUPLEX_INVALID;
2628 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2629 LED_CTRL_LNKLED_OVERRIDE |
2630 LED_CTRL_TRAFFIC_OVERRIDE));
2631 }
2632
2633 if (current_link_up != netif_carrier_ok(tp->dev)) {
2634 if (current_link_up)
2635 netif_carrier_on(tp->dev);
2636 else
2637 netif_carrier_off(tp->dev);
2638 tg3_link_report(tp);
2639 } else {
2640 u32 now_pause_cfg =
2641 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2642 TG3_FLAG_TX_PAUSE);
2643 if (orig_pause_cfg != now_pause_cfg ||
2644 orig_active_speed != tp->link_config.active_speed ||
2645 orig_active_duplex != tp->link_config.active_duplex)
2646 tg3_link_report(tp);
2647 }
2648
2649 return 0;
2650}
2651
747e8f8b
MC		 2652static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2653{
2654 int current_link_up, err = 0;
2655 u32 bmsr, bmcr;
2656 u16 current_speed;
2657 u8 current_duplex;
2658
2659 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2660 tw32_f(MAC_MODE, tp->mac_mode);
2661 udelay(40);
2662
2663 tw32(MAC_EVENT, 0);
2664
2665 tw32_f(MAC_STATUS,
2666 (MAC_STATUS_SYNC_CHANGED |
2667 MAC_STATUS_CFG_CHANGED |
2668 MAC_STATUS_MI_COMPLETION |
2669 MAC_STATUS_LNKSTATE_CHANGED));
2670 udelay(40);
2671
2672 if (force_reset)
2673 tg3_phy_reset(tp);
2674
2675 current_link_up = 0;
2676 current_speed = SPEED_INVALID;
2677 current_duplex = DUPLEX_INVALID;
2678
2679 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2680 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2681
2682 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2683
2684 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2685 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2686 /* do nothing, just check for link up at the end */
2687 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2688 u32 adv, new_adv;
2689
2690 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2691 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2692 ADVERTISE_1000XPAUSE |
2693 ADVERTISE_1000XPSE_ASYM |
2694 ADVERTISE_SLCT);
2695
2696 /* Always advertise symmetric PAUSE just like copper */
2697 new_adv |= ADVERTISE_1000XPAUSE;
2698
2699 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2700 new_adv |= ADVERTISE_1000XHALF;
2701 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2702 new_adv |= ADVERTISE_1000XFULL;
2703
2704 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2705 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2706 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2707 tg3_writephy(tp, MII_BMCR, bmcr);
2708
2709 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2710 tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
2711 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2712
2713 return err;
2714 }
2715 } else {
2716 u32 new_bmcr;
2717
2718 bmcr &= ~BMCR_SPEED1000;
2719 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2720
2721 if (tp->link_config.duplex == DUPLEX_FULL)
2722 new_bmcr |= BMCR_FULLDPLX;
2723
2724 if (new_bmcr != bmcr) {
2725 /* BMCR_SPEED1000 is a reserved bit that needs
2726 * to be set on write.
2727 */
2728 new_bmcr |= BMCR_SPEED1000;
2729
2730 /* Force a linkdown */
2731 if (netif_carrier_ok(tp->dev)) {
2732 u32 adv;
2733
2734 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2735 adv &= ~(ADVERTISE_1000XFULL |
2736 ADVERTISE_1000XHALF |
2737 ADVERTISE_SLCT);
2738 tg3_writephy(tp, MII_ADVERTISE, adv);
2739 tg3_writephy(tp, MII_BMCR, bmcr |
2740 BMCR_ANRESTART |
2741 BMCR_ANENABLE);
2742 udelay(10);
2743 netif_carrier_off(tp->dev);
2744 }
2745 tg3_writephy(tp, MII_BMCR, new_bmcr);
2746 bmcr = new_bmcr;
2747 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2748 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2749 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2750 }
2751 }
2752
2753 if (bmsr & BMSR_LSTATUS) {
2754 current_speed = SPEED_1000;
2755 current_link_up = 1;
2756 if (bmcr & BMCR_FULLDPLX)
2757 current_duplex = DUPLEX_FULL;
2758 else
2759 current_duplex = DUPLEX_HALF;
2760
2761 if (bmcr & BMCR_ANENABLE) {
2762 u32 local_adv, remote_adv, common;
2763
2764 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2765 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2766 common = local_adv & remote_adv;
2767 if (common & (ADVERTISE_1000XHALF |
2768 ADVERTISE_1000XFULL)) {
2769 if (common & ADVERTISE_1000XFULL)
2770 current_duplex = DUPLEX_FULL;
2771 else
2772 current_duplex = DUPLEX_HALF;
2773
2774 tg3_setup_flow_control(tp, local_adv,
2775 remote_adv);
2776 }
2777 else
2778 current_link_up = 0;
2779 }
2780 }
2781
2782 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2783 if (tp->link_config.active_duplex == DUPLEX_HALF)
2784 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2785
2786 tw32_f(MAC_MODE, tp->mac_mode);
2787 udelay(40);
2788
2789 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2790
2791 tp->link_config.active_speed = current_speed;
2792 tp->link_config.active_duplex = current_duplex;
2793
2794 if (current_link_up != netif_carrier_ok(tp->dev)) {
2795 if (current_link_up)
2796 netif_carrier_on(tp->dev);
2797 else {
2798 netif_carrier_off(tp->dev);
2799 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2800 }
2801 tg3_link_report(tp);
2802 }
2803 return err;
2804}
2805
2806static void tg3_serdes_parallel_detect(struct tg3 *tp)
2807{
2808 if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED) {
2809 /* Give autoneg time to complete. */
2810 tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
2811 return;
2812 }
2813 if (!netif_carrier_ok(tp->dev) &&
2814 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2815 u32 bmcr;
2816
2817 tg3_readphy(tp, MII_BMCR, &bmcr);
2818 if (bmcr & BMCR_ANENABLE) {
2819 u32 phy1, phy2;
2820
2821 /* Select shadow register 0x1f */
2822 tg3_writephy(tp, 0x1c, 0x7c00);
2823 tg3_readphy(tp, 0x1c, &phy1);
2824
2825 /* Select expansion interrupt status register */
2826 tg3_writephy(tp, 0x17, 0x0f01);
2827 tg3_readphy(tp, 0x15, &phy2);
2828 tg3_readphy(tp, 0x15, &phy2);
2829
2830 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2831 /* We have signal detect and not receiving
2832 * config code words, link is up by parallel
2833 * detection.
2834 */
2835
2836 bmcr &= ~BMCR_ANENABLE;
2837 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2838 tg3_writephy(tp, MII_BMCR, bmcr);
2839 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2840 }
2841 }
2842 }
2843 else if (netif_carrier_ok(tp->dev) &&
2844 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2845 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2846 u32 phy2;
2847
2848 /* Select expansion interrupt status register */
2849 tg3_writephy(tp, 0x17, 0x0f01);
2850 tg3_readphy(tp, 0x15, &phy2);
2851 if (phy2 & 0x20) {
2852 u32 bmcr;
2853
2854 /* Config code words received, turn on autoneg. */
2855 tg3_readphy(tp, MII_BMCR, &bmcr);
2856 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2857
2858 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2859
2860 }
2861 }
2862}
2863
1da177e4
LT		 2864static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2865{
2866 int err;
2867
2868 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2869 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 2870 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2871 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 2872 } else {
2873 err = tg3_setup_copper_phy(tp, force_reset);
2874 }
2875
2876 if (tp->link_config.active_speed == SPEED_1000 &&
2877 tp->link_config.active_duplex == DUPLEX_HALF)
2878 tw32(MAC_TX_LENGTHS,
2879 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2880 (6 << TX_LENGTHS_IPG_SHIFT) |
2881 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2882 else
2883 tw32(MAC_TX_LENGTHS,
2884 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2885 (6 << TX_LENGTHS_IPG_SHIFT) |
2886 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2887
2888 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2889 if (netif_carrier_ok(tp->dev)) {
2890 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 2891 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 2892 } else {
2893 tw32(HOSTCC_STAT_COAL_TICKS, 0);
2894 }
2895 }
2896
2897 return err;
2898}
2899
2900/* Tigon3 never reports partial packet sends. So we do not
2901 * need special logic to handle SKBs that have not had all
2902 * of their frags sent yet, like SunGEM does.
2903 */
2904static void tg3_tx(struct tg3 *tp)
2905{
2906 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
2907 u32 sw_idx = tp->tx_cons;
2908
2909 while (sw_idx != hw_idx) {
2910 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
2911 struct sk_buff *skb = ri->skb;
2912 int i;
2913
2914 if (unlikely(skb == NULL))
2915 BUG();
2916
2917 pci_unmap_single(tp->pdev,
2918 pci_unmap_addr(ri, mapping),
2919 skb_headlen(skb),
2920 PCI_DMA_TODEVICE);
2921
2922 ri->skb = NULL;
2923
2924 sw_idx = NEXT_TX(sw_idx);
2925
2926 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
2927 if (unlikely(sw_idx == hw_idx))
2928 BUG();
2929
2930 ri = &tp->tx_buffers[sw_idx];
2931 if (unlikely(ri->skb != NULL))
2932 BUG();
2933
2934 pci_unmap_page(tp->pdev,
2935 pci_unmap_addr(ri, mapping),
2936 skb_shinfo(skb)->frags[i].size,
2937 PCI_DMA_TODEVICE);
2938
2939 sw_idx = NEXT_TX(sw_idx);
2940 }
2941
f47c11ee 2942 dev_kfree_skb(skb);
1da177e4
LT		 2943 }
2944
2945 tp->tx_cons = sw_idx;
2946
51b91468
MC		 2947 if (unlikely(netif_queue_stopped(tp->dev))) {
2948 spin_lock(&tp->tx_lock);
2949 if (netif_queue_stopped(tp->dev) &&
2950 (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH))
2951 netif_wake_queue(tp->dev);
2952 spin_unlock(&tp->tx_lock);
2953 }
1da177e4
LT		 2954}
2955
2956/* Returns size of skb allocated or < 0 on error.
2957 *
2958 * We only need to fill in the address because the other members
2959 * of the RX descriptor are invariant, see tg3_init_rings.
2960 *
2961 * Note the purposeful assymetry of cpu vs. chip accesses. For
2962 * posting buffers we only dirty the first cache line of the RX
2963 * descriptor (containing the address). Whereas for the RX status
2964 * buffers the cpu only reads the last cacheline of the RX descriptor
2965 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
2966 */
2967static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
2968 int src_idx, u32 dest_idx_unmasked)
2969{
2970 struct tg3_rx_buffer_desc *desc;
2971 struct ring_info *map, *src_map;
2972 struct sk_buff *skb;
2973 dma_addr_t mapping;
2974 int skb_size, dest_idx;
2975
2976 src_map = NULL;
2977 switch (opaque_key) {
2978 case RXD_OPAQUE_RING_STD:
2979 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
2980 desc = &tp->rx_std[dest_idx];
2981 map = &tp->rx_std_buffers[dest_idx];
2982 if (src_idx >= 0)
2983 src_map = &tp->rx_std_buffers[src_idx];
7e72aad4 2984 skb_size = tp->rx_pkt_buf_sz;
1da177e4
LT		 2985 break;
2986
2987 case RXD_OPAQUE_RING_JUMBO:
2988 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
2989 desc = &tp->rx_jumbo[dest_idx];
2990 map = &tp->rx_jumbo_buffers[dest_idx];
2991 if (src_idx >= 0)
2992 src_map = &tp->rx_jumbo_buffers[src_idx];
2993 skb_size = RX_JUMBO_PKT_BUF_SZ;
2994 break;
2995
2996 default:
2997 return -EINVAL;
2998 };
2999
3000 /* Do not overwrite any of the map or rp information
3001 * until we are sure we can commit to a new buffer.
3002 *
3003 * Callers depend upon this behavior and assume that
3004 * we leave everything unchanged if we fail.
3005 */
3006 skb = dev_alloc_skb(skb_size);
3007 if (skb == NULL)
3008 return -ENOMEM;
3009
3010 skb->dev = tp->dev;
3011 skb_reserve(skb, tp->rx_offset);
3012
3013 mapping = pci_map_single(tp->pdev, skb->data,
3014 skb_size - tp->rx_offset,
3015 PCI_DMA_FROMDEVICE);
3016
3017 map->skb = skb;
3018 pci_unmap_addr_set(map, mapping, mapping);
3019
3020 if (src_map != NULL)
3021 src_map->skb = NULL;
3022
3023 desc->addr_hi = ((u64)mapping >> 32);
3024 desc->addr_lo = ((u64)mapping & 0xffffffff);
3025
3026 return skb_size;
3027}
3028
3029/* We only need to move over in the address because the other
3030 * members of the RX descriptor are invariant. See notes above
3031 * tg3_alloc_rx_skb for full details.
3032 */
3033static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3034 int src_idx, u32 dest_idx_unmasked)
3035{
3036 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3037 struct ring_info *src_map, *dest_map;
3038 int dest_idx;
3039
3040 switch (opaque_key) {
3041 case RXD_OPAQUE_RING_STD:
3042 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3043 dest_desc = &tp->rx_std[dest_idx];
3044 dest_map = &tp->rx_std_buffers[dest_idx];
3045 src_desc = &tp->rx_std[src_idx];
3046 src_map = &tp->rx_std_buffers[src_idx];
3047 break;
3048
3049 case RXD_OPAQUE_RING_JUMBO:
3050 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3051 dest_desc = &tp->rx_jumbo[dest_idx];
3052 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3053 src_desc = &tp->rx_jumbo[src_idx];
3054 src_map = &tp->rx_jumbo_buffers[src_idx];
3055 break;
3056
3057 default:
3058 return;
3059 };
3060
3061 dest_map->skb = src_map->skb;
3062 pci_unmap_addr_set(dest_map, mapping,
3063 pci_unmap_addr(src_map, mapping));
3064 dest_desc->addr_hi = src_desc->addr_hi;
3065 dest_desc->addr_lo = src_desc->addr_lo;
3066
3067 src_map->skb = NULL;
3068}
3069
3070#if TG3_VLAN_TAG_USED
3071static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3072{
3073 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3074}
3075#endif
3076
3077/* The RX ring scheme is composed of multiple rings which post fresh
3078 * buffers to the chip, and one special ring the chip uses to report
3079 * status back to the host.
3080 *
3081 * The special ring reports the status of received packets to the
3082 * host. The chip does not write into the original descriptor the
3083 * RX buffer was obtained from. The chip simply takes the original
3084 * descriptor as provided by the host, updates the status and length
3085 * field, then writes this into the next status ring entry.
3086 *
3087 * Each ring the host uses to post buffers to the chip is described
3088 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3089 * it is first placed into the on-chip ram. When the packet's length
3090 * is known, it walks down the TG3_BDINFO entries to select the ring.
3091 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3092 * which is within the range of the new packet's length is chosen.
3093 *
3094 * The "separate ring for rx status" scheme may sound queer, but it makes
3095 * sense from a cache coherency perspective. If only the host writes
3096 * to the buffer post rings, and only the chip writes to the rx status
3097 * rings, then cache lines never move beyond shared-modified state.
3098 * If both the host and chip were to write into the same ring, cache line
3099 * eviction could occur since both entities want it in an exclusive state.
3100 */
3101static int tg3_rx(struct tg3 *tp, int budget)
3102{
3103 u32 work_mask;
483ba50b
MC		 3104 u32 sw_idx = tp->rx_rcb_ptr;
3105 u16 hw_idx;
1da177e4
LT		 3106 int received;
3107
3108 hw_idx = tp->hw_status->idx[0].rx_producer;
3109 /*
3110 * We need to order the read of hw_idx and the read of
3111 * the opaque cookie.
3112 */
3113 rmb();
1da177e4
LT		 3114 work_mask = 0;
3115 received = 0;
3116 while (sw_idx != hw_idx && budget > 0) {
3117 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3118 unsigned int len;
3119 struct sk_buff *skb;
3120 dma_addr_t dma_addr;
3121 u32 opaque_key, desc_idx, *post_ptr;
3122
3123 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3124 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3125 if (opaque_key == RXD_OPAQUE_RING_STD) {
3126 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3127 mapping);
3128 skb = tp->rx_std_buffers[desc_idx].skb;
3129 post_ptr = &tp->rx_std_ptr;
3130 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3131 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3132 mapping);
3133 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3134 post_ptr = &tp->rx_jumbo_ptr;
3135 }
3136 else {
3137 goto next_pkt_nopost;
3138 }
3139
3140 work_mask |= opaque_key;
3141
3142 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3143 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3144 drop_it:
3145 tg3_recycle_rx(tp, opaque_key,
3146 desc_idx, *post_ptr);
3147 drop_it_no_recycle:
3148 /* Other statistics kept track of by card. */
3149 tp->net_stats.rx_dropped++;
3150 goto next_pkt;
3151 }
3152
3153 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3154
3155 if (len > RX_COPY_THRESHOLD
3156 && tp->rx_offset == 2
3157 /* rx_offset != 2 iff this is a 5701 card running
3158 * in PCI-X mode [see tg3_get_invariants()] */
3159 ) {
3160 int skb_size;
3161
3162 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3163 desc_idx, *post_ptr);
3164 if (skb_size < 0)
3165 goto drop_it;
3166
3167 pci_unmap_single(tp->pdev, dma_addr,
3168 skb_size - tp->rx_offset,
3169 PCI_DMA_FROMDEVICE);
3170
3171 skb_put(skb, len);
3172 } else {
3173 struct sk_buff *copy_skb;
3174
3175 tg3_recycle_rx(tp, opaque_key,
3176 desc_idx, *post_ptr);
3177
3178 copy_skb = dev_alloc_skb(len + 2);
3179 if (copy_skb == NULL)
3180 goto drop_it_no_recycle;
3181
3182 copy_skb->dev = tp->dev;
3183 skb_reserve(copy_skb, 2);
3184 skb_put(copy_skb, len);
3185 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3186 memcpy(copy_skb->data, skb->data, len);
3187 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3188
3189 /* We'll reuse the original ring buffer. */
3190 skb = copy_skb;
3191 }
3192
3193 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3194 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3195 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3196 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3197 skb->ip_summed = CHECKSUM_UNNECESSARY;
3198 else
3199 skb->ip_summed = CHECKSUM_NONE;
3200
3201 skb->protocol = eth_type_trans(skb, tp->dev);
3202#if TG3_VLAN_TAG_USED
3203 if (tp->vlgrp != NULL &&
3204 desc->type_flags & RXD_FLAG_VLAN) {
3205 tg3_vlan_rx(tp, skb,
3206 desc->err_vlan & RXD_VLAN_MASK);
3207 } else
3208#endif
3209 netif_receive_skb(skb);
3210
3211 tp->dev->last_rx = jiffies;
3212 received++;
3213 budget--;
3214
3215next_pkt:
3216 (*post_ptr)++;
3217next_pkt_nopost:
483ba50b
MC		 3218 sw_idx++;
3219 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
52f6d697
MC		 3220
3221 /* Refresh hw_idx to see if there is new work */
3222 if (sw_idx == hw_idx) {
3223 hw_idx = tp->hw_status->idx[0].rx_producer;
3224 rmb();
3225 }
1da177e4
LT		 3226 }
3227
3228 /* ACK the status ring. */
483ba50b
MC		 3229 tp->rx_rcb_ptr = sw_idx;
3230 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
1da177e4
LT		 3231
3232 /* Refill RX ring(s). */
3233 if (work_mask & RXD_OPAQUE_RING_STD) {
3234 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3235 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3236 sw_idx);
3237 }
3238 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3239 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3240 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3241 sw_idx);
3242 }
3243 mmiowb();
3244
3245 return received;
3246}
3247
3248static int tg3_poll(struct net_device *netdev, int *budget)
3249{
3250 struct tg3 *tp = netdev_priv(netdev);
3251 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3252 int done;
3253
1da177e4
LT		 3254 /* handle link change and other phy events */
3255 if (!(tp->tg3_flags &
3256 (TG3_FLAG_USE_LINKCHG_REG |
3257 TG3_FLAG_POLL_SERDES))) {
3258 if (sblk->status & SD_STATUS_LINK_CHG) {
3259 sblk->status = SD_STATUS_UPDATED |
3260 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 3261 spin_lock(&tp->lock);
1da177e4 3262 tg3_setup_phy(tp, 0);
f47c11ee 3263 spin_unlock(&tp->lock);
1da177e4
LT		 3264 }
3265 }
3266
3267 /* run TX completion thread */
3268 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
1da177e4 3269 tg3_tx(tp);
1da177e4
LT		 3270 }
3271
1da177e4
LT		 3272 /* run RX thread, within the bounds set by NAPI.
3273 * All RX "locking" is done by ensuring outside
3274 * code synchronizes with dev->poll()
3275 */
1da177e4
LT		 3276 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3277 int orig_budget = *budget;
3278 int work_done;
3279
3280 if (orig_budget > netdev->quota)
3281 orig_budget = netdev->quota;
3282
3283 work_done = tg3_rx(tp, orig_budget);
3284
3285 *budget -= work_done;
3286 netdev->quota -= work_done;
1da177e4
LT		 3287 }
3288
38f3843e 3289 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
f7383c22 3290 tp->last_tag = sblk->status_tag;
38f3843e
MC		 3291 rmb();
3292 } else
3293 sblk->status &= ~SD_STATUS_UPDATED;
f7383c22 3294
1da177e4 3295 /* if no more work, tell net stack and NIC we're done */
f7383c22 3296 done = !tg3_has_work(tp);
1da177e4 3297 if (done) {
f47c11ee 3298 netif_rx_complete(netdev);
1da177e4 3299 tg3_restart_ints(tp);
1da177e4
LT		 3300 }
3301
3302 return (done ? 0 : 1);
3303}
3304
f47c11ee
DM		 3305static void tg3_irq_quiesce(struct tg3 *tp)
3306{
3307 BUG_ON(tp->irq_sync);
3308
3309 tp->irq_sync = 1;
3310 smp_mb();
3311
3312 synchronize_irq(tp->pdev->irq);
3313}
3314
3315static inline int tg3_irq_sync(struct tg3 *tp)
3316{
3317 return tp->irq_sync;
3318}
3319
3320/* Fully shutdown all tg3 driver activity elsewhere in the system.
3321 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3322 * with as well. Most of the time, this is not necessary except when
3323 * shutting down the device.
3324 */
3325static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3326{
3327 if (irq_sync)
3328 tg3_irq_quiesce(tp);
3329 spin_lock_bh(&tp->lock);
3330 spin_lock(&tp->tx_lock);
3331}
3332
3333static inline void tg3_full_unlock(struct tg3 *tp)
3334{
3335 spin_unlock(&tp->tx_lock);
3336 spin_unlock_bh(&tp->lock);
3337}
3338
88b06bc2
MC		 3339/* MSI ISR - No need to check for interrupt sharing and no need to
3340 * flush status block and interrupt mailbox. PCI ordering rules
3341 * guarantee that MSI will arrive after the status block.
3342 */
3343static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
3344{
3345 struct net_device *dev = dev_id;
3346 struct tg3 *tp = netdev_priv(dev);
88b06bc2 3347
61487480
MC		 3348 prefetch(tp->hw_status);
3349 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
88b06bc2 3350 /*
fac9b83e 3351 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 3352 * chip-internal interrupt pending events.
fac9b83e 3353 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 3354 * NIC to stop sending us irqs, engaging "in-intr-handler"
3355 * event coalescing.
3356 */
3357 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 3358 if (likely(!tg3_irq_sync(tp)))
88b06bc2 3359 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3360
88b06bc2
MC		 3361 return IRQ_RETVAL(1);
3362}
3363
1da177e4
LT		 3364static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
3365{
3366 struct net_device *dev = dev_id;
3367 struct tg3 *tp = netdev_priv(dev);
3368 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3369 unsigned int handled = 1;
3370
1da177e4
LT		 3371 /* In INTx mode, it is possible for the interrupt to arrive at
3372 * the CPU before the status block posted prior to the interrupt.
3373 * Reading the PCI State register will confirm whether the
3374 * interrupt is ours and will flush the status block.
3375 */
3376 if ((sblk->status & SD_STATUS_UPDATED) ||
3377 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3378 /*
fac9b83e 3379 * Writing any value to intr-mbox-0 clears PCI INTA# and
1da177e4 3380 * chip-internal interrupt pending events.
fac9b83e 3381 * Writing non-zero to intr-mbox-0 additional tells the
1da177e4
LT		 3382 * NIC to stop sending us irqs, engaging "in-intr-handler"
3383 * event coalescing.
3384 */
3385 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3386 0x00000001);
f47c11ee
DM		 3387 if (tg3_irq_sync(tp))
3388 goto out;
fac9b83e 3389 sblk->status &= ~SD_STATUS_UPDATED;
61487480
MC		 3390 if (likely(tg3_has_work(tp))) {
3391 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
fac9b83e 3392 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3393 } else {
fac9b83e
DM		 3394 /* No work, shared interrupt perhaps? re-enable
3395 * interrupts, and flush that PCI write
3396 */
09ee929c 3397 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
fac9b83e 3398 0x00000000);
fac9b83e
DM		 3399 }
3400 } else { /* shared interrupt */
3401 handled = 0;
3402 }
f47c11ee 3403out:
fac9b83e
DM		 3404 return IRQ_RETVAL(handled);
3405}
3406
3407static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
3408{
3409 struct net_device *dev = dev_id;
3410 struct tg3 *tp = netdev_priv(dev);
3411 struct tg3_hw_status *sblk = tp->hw_status;
fac9b83e
DM		 3412 unsigned int handled = 1;
3413
fac9b83e
DM		 3414 /* In INTx mode, it is possible for the interrupt to arrive at
3415 * the CPU before the status block posted prior to the interrupt.
3416 * Reading the PCI State register will confirm whether the
3417 * interrupt is ours and will flush the status block.
3418 */
38f3843e 3419 if ((sblk->status_tag != tp->last_tag) ||
fac9b83e 3420 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
1da177e4 3421 /*
fac9b83e
DM		 3422 * writing any value to intr-mbox-0 clears PCI INTA# and
3423 * chip-internal interrupt pending events.
3424 * writing non-zero to intr-mbox-0 additional tells the
3425 * NIC to stop sending us irqs, engaging "in-intr-handler"
3426 * event coalescing.
1da177e4 3427 */
fac9b83e
DM		 3428 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3429 0x00000001);
f47c11ee
DM		 3430 if (tg3_irq_sync(tp))
3431 goto out;
38f3843e 3432 if (netif_rx_schedule_prep(dev)) {
61487480 3433 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
38f3843e
MC		 3434 /* Update last_tag to mark that this status has been
3435 * seen. Because interrupt may be shared, we may be
3436 * racing with tg3_poll(), so only update last_tag
3437 * if tg3_poll() is not scheduled.
1da177e4 3438 */
38f3843e
MC		 3439 tp->last_tag = sblk->status_tag;
3440 __netif_rx_schedule(dev);
1da177e4
LT		 3441 }
3442 } else { /* shared interrupt */
3443 handled = 0;
3444 }
f47c11ee 3445out:
1da177e4
LT		 3446 return IRQ_RETVAL(handled);
3447}
3448
7938109f
MC		 3449/* ISR for interrupt test */
3450static irqreturn_t tg3_test_isr(int irq, void *dev_id,
3451 struct pt_regs *regs)
3452{
3453 struct net_device *dev = dev_id;
3454 struct tg3 *tp = netdev_priv(dev);
3455 struct tg3_hw_status *sblk = tp->hw_status;
3456
f9804ddb
MC		 3457 if ((sblk->status & SD_STATUS_UPDATED) ||
3458 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
7938109f
MC		 3459 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3460 0x00000001);
3461 return IRQ_RETVAL(1);
3462 }
3463 return IRQ_RETVAL(0);
3464}
3465
1da177e4 3466static int tg3_init_hw(struct tg3 *);
944d980e 3467static int tg3_halt(struct tg3 *, int, int);
1da177e4
LT		 3468
3469#ifdef CONFIG_NET_POLL_CONTROLLER
3470static void tg3_poll_controller(struct net_device *dev)
3471{
88b06bc2
MC		 3472 struct tg3 *tp = netdev_priv(dev);
3473
3474 tg3_interrupt(tp->pdev->irq, dev, NULL);
1da177e4
LT		 3475}
3476#endif
3477
3478static void tg3_reset_task(void *_data)
3479{
3480 struct tg3 *tp = _data;
3481 unsigned int restart_timer;
3482
3483 tg3_netif_stop(tp);
3484
f47c11ee 3485 tg3_full_lock(tp, 1);
1da177e4
LT		 3486
3487 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3488 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3489
944d980e 3490 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
1da177e4
LT		 3491 tg3_init_hw(tp);
3492
3493 tg3_netif_start(tp);
3494
f47c11ee 3495 tg3_full_unlock(tp);
1da177e4
LT		 3496
3497 if (restart_timer)
3498 mod_timer(&tp->timer, jiffies + 1);
3499}
3500
3501static void tg3_tx_timeout(struct net_device *dev)
3502{
3503 struct tg3 *tp = netdev_priv(dev);
3504
3505 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3506 dev->name);
3507
3508 schedule_work(&tp->reset_task);
3509}
3510
c58ec932
MC		 3511/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3512static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3513{
3514 u32 base = (u32) mapping & 0xffffffff;
3515
3516 return ((base > 0xffffdcc0) &&
3517 (base + len + 8 < base));
3518}
3519
1da177e4
LT		 3520static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3521
3522static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
c58ec932
MC		 3523 u32 last_plus_one, u32 *start,
3524 u32 base_flags, u32 mss)
1da177e4
LT		 3525{
3526 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
c58ec932 3527 dma_addr_t new_addr = 0;
1da177e4 3528 u32 entry = *start;
c58ec932 3529 int i, ret = 0;
1da177e4
LT		 3530
3531 if (!new_skb) {
c58ec932
MC		 3532 ret = -1;
3533 } else {
3534 /* New SKB is guaranteed to be linear. */
3535 entry = *start;
3536 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3537 PCI_DMA_TODEVICE);
3538 /* Make sure new skb does not cross any 4G boundaries.
3539 * Drop the packet if it does.
3540 */
3541 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3542 ret = -1;
3543 dev_kfree_skb(new_skb);
3544 new_skb = NULL;
3545 } else {
3546 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3547 base_flags, 1 | (mss << 1));
3548 *start = NEXT_TX(entry);
3549 }
1da177e4
LT		 3550 }
3551
1da177e4
LT		 3552 /* Now clean up the sw ring entries. */
3553 i = 0;
3554 while (entry != last_plus_one) {
3555 int len;
3556
3557 if (i == 0)
3558 len = skb_headlen(skb);
3559 else
3560 len = skb_shinfo(skb)->frags[i-1].size;
3561 pci_unmap_single(tp->pdev,
3562 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3563 len, PCI_DMA_TODEVICE);
3564 if (i == 0) {
3565 tp->tx_buffers[entry].skb = new_skb;
3566 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3567 } else {
3568 tp->tx_buffers[entry].skb = NULL;
3569 }
3570 entry = NEXT_TX(entry);
3571 i++;
3572 }
3573
3574 dev_kfree_skb(skb);
3575
c58ec932 3576 return ret;
1da177e4
LT		 3577}
3578
3579static void tg3_set_txd(struct tg3 *tp, int entry,
3580 dma_addr_t mapping, int len, u32 flags,
3581 u32 mss_and_is_end)
3582{
3583 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3584 int is_end = (mss_and_is_end & 0x1);
3585 u32 mss = (mss_and_is_end >> 1);
3586 u32 vlan_tag = 0;
3587
3588 if (is_end)
3589 flags |= TXD_FLAG_END;
3590 if (flags & TXD_FLAG_VLAN) {
3591 vlan_tag = flags >> 16;
3592 flags &= 0xffff;
3593 }
3594 vlan_tag |= (mss << TXD_MSS_SHIFT);
3595
3596 txd->addr_hi = ((u64) mapping >> 32);
3597 txd->addr_lo = ((u64) mapping & 0xffffffff);
3598 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3599 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3600}
3601
1da177e4
LT		 3602static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3603{
3604 struct tg3 *tp = netdev_priv(dev);
3605 dma_addr_t mapping;
1da177e4
LT		 3606 u32 len, entry, base_flags, mss;
3607 int would_hit_hwbug;
1da177e4
LT		 3608
3609 len = skb_headlen(skb);
3610
3611 /* No BH disabling for tx_lock here. We are running in BH disabled
3612 * context and TX reclaim runs via tp->poll inside of a software
f47c11ee
DM		 3613 * interrupt. Furthermore, IRQ processing runs lockless so we have
3614 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 3615 */
f47c11ee 3616 if (!spin_trylock(&tp->tx_lock))
1da177e4 3617 return NETDEV_TX_LOCKED;
1da177e4 3618
1da177e4 3619 if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
1f064a87
SH		 3620 if (!netif_queue_stopped(dev)) {
3621 netif_stop_queue(dev);
3622
3623 /* This is a hard error, log it. */
3624 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3625 "queue awake!\n", dev->name);
3626 }
f47c11ee 3627 spin_unlock(&tp->tx_lock);
1da177e4
LT		 3628 return NETDEV_TX_BUSY;
3629 }
3630
3631 entry = tp->tx_prod;
3632 base_flags = 0;
3633 if (skb->ip_summed == CHECKSUM_HW)
3634 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3635#if TG3_TSO_SUPPORT != 0
3636 mss = 0;
3637 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3638 (mss = skb_shinfo(skb)->tso_size) != 0) {
3639 int tcp_opt_len, ip_tcp_len;
3640
3641 if (skb_header_cloned(skb) &&
3642 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3643 dev_kfree_skb(skb);
3644 goto out_unlock;
3645 }
3646
3647 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3648 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
3649
3650 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3651 TXD_FLAG_CPU_POST_DMA);
3652
3653 skb->nh.iph->check = 0;
fd30333d 3654 skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
1da177e4
LT		 3655 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
3656 skb->h.th->check = 0;
3657 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
3658 }
3659 else {
3660 skb->h.th->check =
3661 ~csum_tcpudp_magic(skb->nh.iph->saddr,
3662 skb->nh.iph->daddr,
3663 0, IPPROTO_TCP, 0);
3664 }
3665
3666 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
3667 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
3668 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
3669 int tsflags;
3670
3671 tsflags = ((skb->nh.iph->ihl - 5) +
3672 (tcp_opt_len >> 2));
3673 mss |= (tsflags << 11);
3674 }
3675 } else {
3676 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
3677 int tsflags;
3678
3679 tsflags = ((skb->nh.iph->ihl - 5) +
3680 (tcp_opt_len >> 2));
3681 base_flags |= tsflags << 12;
3682 }
3683 }
3684 }
3685#else
3686 mss = 0;
3687#endif
3688#if TG3_VLAN_TAG_USED
3689 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3690 base_flags |= (TXD_FLAG_VLAN |
3691 (vlan_tx_tag_get(skb) << 16));
3692#endif
3693
3694 /* Queue skb data, a.k.a. the main skb fragment. */
3695 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3696
3697 tp->tx_buffers[entry].skb = skb;
3698 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3699
3700 would_hit_hwbug = 0;
3701
3702 if (tg3_4g_overflow_test(mapping, len))
c58ec932 3703 would_hit_hwbug = 1;
1da177e4
LT		 3704
3705 tg3_set_txd(tp, entry, mapping, len, base_flags,
3706 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3707
3708 entry = NEXT_TX(entry);
3709
3710 /* Now loop through additional data fragments, and queue them. */
3711 if (skb_shinfo(skb)->nr_frags > 0) {
3712 unsigned int i, last;
3713
3714 last = skb_shinfo(skb)->nr_frags - 1;
3715 for (i = 0; i <= last; i++) {
3716 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3717
3718 len = frag->size;
3719 mapping = pci_map_page(tp->pdev,
3720 frag->page,
3721 frag->page_offset,
3722 len, PCI_DMA_TODEVICE);
3723
3724 tp->tx_buffers[entry].skb = NULL;
3725 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3726
c58ec932
MC		 3727 if (tg3_4g_overflow_test(mapping, len))
3728 would_hit_hwbug = 1;
1da177e4
LT		 3729
3730 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
3731 tg3_set_txd(tp, entry, mapping, len,
3732 base_flags, (i == last)|(mss << 1));
3733 else
3734 tg3_set_txd(tp, entry, mapping, len,
3735 base_flags, (i == last));
3736
3737 entry = NEXT_TX(entry);
3738 }
3739 }
3740
3741 if (would_hit_hwbug) {
3742 u32 last_plus_one = entry;
3743 u32 start;
1da177e4 3744
c58ec932
MC		 3745 start = entry - 1 - skb_shinfo(skb)->nr_frags;
3746 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 3747
3748 /* If the workaround fails due to memory/mapping
3749 * failure, silently drop this packet.
3750 */
c58ec932
MC		 3751 if (tigon3_4gb_hwbug_workaround(tp, skb, last_plus_one,
3752 &start, base_flags, mss))
1da177e4
LT		 3753 goto out_unlock;
3754
3755 entry = start;
3756 }
3757
3758 /* Packets are ready, update Tx producer idx local and on card. */
3759 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3760
3761 tp->tx_prod = entry;
51b91468 3762 if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) {
1da177e4 3763 netif_stop_queue(dev);
51b91468
MC		 3764 if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH)
3765 netif_wake_queue(tp->dev);
3766 }
1da177e4
LT		 3767
3768out_unlock:
3769 mmiowb();
f47c11ee 3770 spin_unlock(&tp->tx_lock);
1da177e4
LT		 3771
3772 dev->trans_start = jiffies;
3773
3774 return NETDEV_TX_OK;
3775}
3776
3777static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
3778 int new_mtu)
3779{
3780 dev->mtu = new_mtu;
3781
ef7f5ec0 3782 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 3783 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 3784 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
3785 ethtool_op_set_tso(dev, 0);
3786 }
3787 else
3788 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
3789 } else {
a4e2b347 3790 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 3791 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 3792 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 3793 }
1da177e4
LT		 3794}
3795
3796static int tg3_change_mtu(struct net_device *dev, int new_mtu)
3797{
3798 struct tg3 *tp = netdev_priv(dev);
3799
3800 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
3801 return -EINVAL;
3802
3803 if (!netif_running(dev)) {
3804 /* We'll just catch it later when the
3805 * device is up'd.
3806 */
3807 tg3_set_mtu(dev, tp, new_mtu);
3808 return 0;
3809 }
3810
3811 tg3_netif_stop(tp);
f47c11ee
DM		 3812
3813 tg3_full_lock(tp, 1);
1da177e4 3814
944d980e 3815 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 3816
3817 tg3_set_mtu(dev, tp, new_mtu);
3818
3819 tg3_init_hw(tp);
3820
3821 tg3_netif_start(tp);
3822
f47c11ee 3823 tg3_full_unlock(tp);
1da177e4
LT		 3824
3825 return 0;
3826}
3827
3828/* Free up pending packets in all rx/tx rings.
3829 *
3830 * The chip has been shut down and the driver detached from
3831 * the networking, so no interrupts or new tx packets will
3832 * end up in the driver. tp->{tx,}lock is not held and we are not
3833 * in an interrupt context and thus may sleep.
3834 */
3835static void tg3_free_rings(struct tg3 *tp)
3836{
3837 struct ring_info *rxp;
3838 int i;
3839
3840 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
3841 rxp = &tp->rx_std_buffers[i];
3842
3843 if (rxp->skb == NULL)
3844 continue;
3845 pci_unmap_single(tp->pdev,
3846 pci_unmap_addr(rxp, mapping),
7e72aad4 3847 tp->rx_pkt_buf_sz - tp->rx_offset,
1da177e4
LT		 3848 PCI_DMA_FROMDEVICE);
3849 dev_kfree_skb_any(rxp->skb);
3850 rxp->skb = NULL;
3851 }
3852
3853 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
3854 rxp = &tp->rx_jumbo_buffers[i];
3855
3856 if (rxp->skb == NULL)
3857 continue;
3858 pci_unmap_single(tp->pdev,
3859 pci_unmap_addr(rxp, mapping),
3860 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
3861 PCI_DMA_FROMDEVICE);
3862 dev_kfree_skb_any(rxp->skb);
3863 rxp->skb = NULL;
3864 }
3865
3866 for (i = 0; i < TG3_TX_RING_SIZE; ) {
3867 struct tx_ring_info *txp;
3868 struct sk_buff *skb;
3869 int j;
3870
3871 txp = &tp->tx_buffers[i];
3872 skb = txp->skb;
3873
3874 if (skb == NULL) {
3875 i++;
3876 continue;
3877 }
3878
3879 pci_unmap_single(tp->pdev,
3880 pci_unmap_addr(txp, mapping),
3881 skb_headlen(skb),
3882 PCI_DMA_TODEVICE);
3883 txp->skb = NULL;
3884
3885 i++;
3886
3887 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
3888 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
3889 pci_unmap_page(tp->pdev,
3890 pci_unmap_addr(txp, mapping),
3891 skb_shinfo(skb)->frags[j].size,
3892 PCI_DMA_TODEVICE);
3893 i++;
3894 }
3895
3896 dev_kfree_skb_any(skb);
3897 }
3898}
3899
3900/* Initialize tx/rx rings for packet processing.
3901 *
3902 * The chip has been shut down and the driver detached from
3903 * the networking, so no interrupts or new tx packets will
3904 * end up in the driver. tp->{tx,}lock are held and thus
3905 * we may not sleep.
3906 */
3907static void tg3_init_rings(struct tg3 *tp)
3908{
3909 u32 i;
3910
3911 /* Free up all the SKBs. */
3912 tg3_free_rings(tp);
3913
3914 /* Zero out all descriptors. */
3915 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
3916 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
3917 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
3918 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
3919
7e72aad4 3920 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
a4e2b347 3921 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
7e72aad4
MC		 3922 (tp->dev->mtu > ETH_DATA_LEN))
3923 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
3924
1da177e4
LT		 3925 /* Initialize invariants of the rings, we only set this
3926 * stuff once. This works because the card does not
3927 * write into the rx buffer posting rings.
3928 */
3929 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
3930 struct tg3_rx_buffer_desc *rxd;
3931
3932 rxd = &tp->rx_std[i];
7e72aad4 3933 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
1da177e4
LT		 3934 << RXD_LEN_SHIFT;
3935 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
3936 rxd->opaque = (RXD_OPAQUE_RING_STD |
3937 (i << RXD_OPAQUE_INDEX_SHIFT));
3938 }
3939
0f893dc6 3940 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 3941 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
3942 struct tg3_rx_buffer_desc *rxd;
3943
3944 rxd = &tp->rx_jumbo[i];
3945 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
3946 << RXD_LEN_SHIFT;
3947 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
3948 RXD_FLAG_JUMBO;
3949 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
3950 (i << RXD_OPAQUE_INDEX_SHIFT));
3951 }
3952 }
3953
3954 /* Now allocate fresh SKBs for each rx ring. */
3955 for (i = 0; i < tp->rx_pending; i++) {
3956 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
3957 -1, i) < 0)
3958 break;
3959 }
3960
0f893dc6 3961 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 3962 for (i = 0; i < tp->rx_jumbo_pending; i++) {
3963 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
3964 -1, i) < 0)
3965 break;
3966 }
3967 }
3968}
3969
3970/*
3971 * Must not be invoked with interrupt sources disabled and
3972 * the hardware shutdown down.
3973 */
3974static void tg3_free_consistent(struct tg3 *tp)
3975{
b4558ea9
JJ		 3976 kfree(tp->rx_std_buffers);
3977 tp->rx_std_buffers = NULL;
1da177e4
LT		 3978 if (tp->rx_std) {
3979 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
3980 tp->rx_std, tp->rx_std_mapping);
3981 tp->rx_std = NULL;
3982 }
3983 if (tp->rx_jumbo) {
3984 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
3985 tp->rx_jumbo, tp->rx_jumbo_mapping);
3986 tp->rx_jumbo = NULL;
3987 }
3988 if (tp->rx_rcb) {
3989 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
3990 tp->rx_rcb, tp->rx_rcb_mapping);
3991 tp->rx_rcb = NULL;
3992 }
3993 if (tp->tx_ring) {
3994 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
3995 tp->tx_ring, tp->tx_desc_mapping);
3996 tp->tx_ring = NULL;
3997 }
3998 if (tp->hw_status) {
3999 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4000 tp->hw_status, tp->status_mapping);
4001 tp->hw_status = NULL;
4002 }
4003 if (tp->hw_stats) {
4004 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4005 tp->hw_stats, tp->stats_mapping);
4006 tp->hw_stats = NULL;
4007 }
4008}
4009
4010/*
4011 * Must not be invoked with interrupt sources disabled and
4012 * the hardware shutdown down. Can sleep.
4013 */
4014static int tg3_alloc_consistent(struct tg3 *tp)
4015{
4016 tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
4017 (TG3_RX_RING_SIZE +
4018 TG3_RX_JUMBO_RING_SIZE)) +
4019 (sizeof(struct tx_ring_info) *
4020 TG3_TX_RING_SIZE),
4021 GFP_KERNEL);
4022 if (!tp->rx_std_buffers)
4023 return -ENOMEM;
4024
4025 memset(tp->rx_std_buffers, 0,
4026 (sizeof(struct ring_info) *
4027 (TG3_RX_RING_SIZE +
4028 TG3_RX_JUMBO_RING_SIZE)) +
4029 (sizeof(struct tx_ring_info) *
4030 TG3_TX_RING_SIZE));
4031
4032 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4033 tp->tx_buffers = (struct tx_ring_info *)
4034 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4035
4036 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4037 &tp->rx_std_mapping);
4038 if (!tp->rx_std)
4039 goto err_out;
4040
4041 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4042 &tp->rx_jumbo_mapping);
4043
4044 if (!tp->rx_jumbo)
4045 goto err_out;
4046
4047 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4048 &tp->rx_rcb_mapping);
4049 if (!tp->rx_rcb)
4050 goto err_out;
4051
4052 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4053 &tp->tx_desc_mapping);
4054 if (!tp->tx_ring)
4055 goto err_out;
4056
4057 tp->hw_status = pci_alloc_consistent(tp->pdev,
4058 TG3_HW_STATUS_SIZE,
4059 &tp->status_mapping);
4060 if (!tp->hw_status)
4061 goto err_out;
4062
4063 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4064 sizeof(struct tg3_hw_stats),
4065 &tp->stats_mapping);
4066 if (!tp->hw_stats)
4067 goto err_out;
4068
4069 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4070 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4071
4072 return 0;
4073
4074err_out:
4075 tg3_free_consistent(tp);
4076 return -ENOMEM;
4077}
4078
4079#define MAX_WAIT_CNT 1000
4080
4081/* To stop a block, clear the enable bit and poll till it
4082 * clears. tp->lock is held.
4083 */
b3b7d6be 4084static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 4085{
4086 unsigned int i;
4087 u32 val;
4088
4089 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4090 switch (ofs) {
4091 case RCVLSC_MODE:
4092 case DMAC_MODE:
4093 case MBFREE_MODE:
4094 case BUFMGR_MODE:
4095 case MEMARB_MODE:
4096 /* We can't enable/disable these bits of the
4097 * 5705/5750, just say success.
4098 */
4099 return 0;
4100
4101 default:
4102 break;
4103 };
4104 }
4105
4106 val = tr32(ofs);
4107 val &= ~enable_bit;
4108 tw32_f(ofs, val);
4109
4110 for (i = 0; i < MAX_WAIT_CNT; i++) {
4111 udelay(100);
4112 val = tr32(ofs);
4113 if ((val & enable_bit) == 0)
4114 break;
4115 }
4116
b3b7d6be 4117 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 4118 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4119 "ofs=%lx enable_bit=%x\n",
4120 ofs, enable_bit);
4121 return -ENODEV;
4122 }
4123
4124 return 0;
4125}
4126
4127/* tp->lock is held. */
b3b7d6be 4128static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 4129{
4130 int i, err;
4131
4132 tg3_disable_ints(tp);
4133
4134 tp->rx_mode &= ~RX_MODE_ENABLE;
4135 tw32_f(MAC_RX_MODE, tp->rx_mode);
4136 udelay(10);
4137
b3b7d6be
DM		 4138 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4139 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4140 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4141 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4142 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4143 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4144
4145 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4146 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4147 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4148 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4149 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4150 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4151 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 4152
4153 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4154 tw32_f(MAC_MODE, tp->mac_mode);
4155 udelay(40);
4156
4157 tp->tx_mode &= ~TX_MODE_ENABLE;
4158 tw32_f(MAC_TX_MODE, tp->tx_mode);
4159
4160 for (i = 0; i < MAX_WAIT_CNT; i++) {
4161 udelay(100);
4162 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4163 break;
4164 }
4165 if (i >= MAX_WAIT_CNT) {
4166 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4167 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4168 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 4169 err |= -ENODEV;
1da177e4
LT		 4170 }
4171
e6de8ad1 4172 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 4173 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4174 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 4175
4176 tw32(FTQ_RESET, 0xffffffff);
4177 tw32(FTQ_RESET, 0x00000000);
4178
b3b7d6be
DM		 4179 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4180 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4
LT		 4181
4182 if (tp->hw_status)
4183 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4184 if (tp->hw_stats)
4185 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4186
1da177e4
LT		 4187 return err;
4188}
4189
4190/* tp->lock is held. */
4191static int tg3_nvram_lock(struct tg3 *tp)
4192{
4193 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4194 int i;
4195
4196 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4197 for (i = 0; i < 8000; i++) {
4198 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4199 break;
4200 udelay(20);
4201 }
4202 if (i == 8000)
4203 return -ENODEV;
4204 }
4205 return 0;
4206}
4207
4208/* tp->lock is held. */
4209static void tg3_nvram_unlock(struct tg3 *tp)
4210{
4211 if (tp->tg3_flags & TG3_FLAG_NVRAM)
4212 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4213}
4214
e6af301b
MC		 4215/* tp->lock is held. */
4216static void tg3_enable_nvram_access(struct tg3 *tp)
4217{
4218 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4219 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4220 u32 nvaccess = tr32(NVRAM_ACCESS);
4221
4222 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4223 }
4224}
4225
4226/* tp->lock is held. */
4227static void tg3_disable_nvram_access(struct tg3 *tp)
4228{
4229 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4230 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4231 u32 nvaccess = tr32(NVRAM_ACCESS);
4232
4233 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4234 }
4235}
4236
1da177e4
LT		 4237/* tp->lock is held. */
4238static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4239{
4240 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
4241 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4242 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4243
4244 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4245 switch (kind) {
4246 case RESET_KIND_INIT:
4247 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4248 DRV_STATE_START);
4249 break;
4250
4251 case RESET_KIND_SHUTDOWN:
4252 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4253 DRV_STATE_UNLOAD);
4254 break;
4255
4256 case RESET_KIND_SUSPEND:
4257 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4258 DRV_STATE_SUSPEND);
4259 break;
4260
4261 default:
4262 break;
4263 };
4264 }
4265}
4266
4267/* tp->lock is held. */
4268static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4269{
4270 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4271 switch (kind) {
4272 case RESET_KIND_INIT:
4273 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4274 DRV_STATE_START_DONE);
4275 break;
4276
4277 case RESET_KIND_SHUTDOWN:
4278 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4279 DRV_STATE_UNLOAD_DONE);
4280 break;
4281
4282 default:
4283 break;
4284 };
4285 }
4286}
4287
4288/* tp->lock is held. */
4289static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4290{
4291 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4292 switch (kind) {
4293 case RESET_KIND_INIT:
4294 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4295 DRV_STATE_START);
4296 break;
4297
4298 case RESET_KIND_SHUTDOWN:
4299 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4300 DRV_STATE_UNLOAD);
4301 break;
4302
4303 case RESET_KIND_SUSPEND:
4304 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4305 DRV_STATE_SUSPEND);
4306 break;
4307
4308 default:
4309 break;
4310 };
4311 }
4312}
4313
4314static void tg3_stop_fw(struct tg3 *);
4315
4316/* tp->lock is held. */
4317static int tg3_chip_reset(struct tg3 *tp)
4318{
4319 u32 val;
1ee582d8 4320 void (*write_op)(struct tg3 *, u32, u32);
1da177e4
LT		 4321 int i;
4322
4323 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
4324 tg3_nvram_lock(tp);
4325
4326 /*
4327 * We must avoid the readl() that normally takes place.
4328 * It locks machines, causes machine checks, and other
4329 * fun things. So, temporarily disable the 5701
4330 * hardware workaround, while we do the reset.
4331 */
1ee582d8
MC		 4332 write_op = tp->write32;
4333 if (write_op == tg3_write_flush_reg32)
4334 tp->write32 = tg3_write32;
1da177e4
LT		 4335
4336 /* do the reset */
4337 val = GRC_MISC_CFG_CORECLK_RESET;
4338
4339 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4340 if (tr32(0x7e2c) == 0x60) {
4341 tw32(0x7e2c, 0x20);
4342 }
4343 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4344 tw32(GRC_MISC_CFG, (1 << 29));
4345 val |= (1 << 29);
4346 }
4347 }
4348
4349 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4350 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4351 tw32(GRC_MISC_CFG, val);
4352
1ee582d8
MC		 4353 /* restore 5701 hardware bug workaround write method */
4354 tp->write32 = write_op;
1da177e4
LT		 4355
4356 /* Unfortunately, we have to delay before the PCI read back.
4357 * Some 575X chips even will not respond to a PCI cfg access
4358 * when the reset command is given to the chip.
4359 *
4360 * How do these hardware designers expect things to work
4361 * properly if the PCI write is posted for a long period
4362 * of time? It is always necessary to have some method by
4363 * which a register read back can occur to push the write
4364 * out which does the reset.
4365 *
4366 * For most tg3 variants the trick below was working.
4367 * Ho hum...
4368 */
4369 udelay(120);
4370
4371 /* Flush PCI posted writes. The normal MMIO registers
4372 * are inaccessible at this time so this is the only
4373 * way to make this reliably (actually, this is no longer
4374 * the case, see above). I tried to use indirect
4375 * register read/write but this upset some 5701 variants.
4376 */
4377 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4378
4379 udelay(120);
4380
4381 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4382 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4383 int i;
4384 u32 cfg_val;
4385
4386 /* Wait for link training to complete. */
4387 for (i = 0; i < 5000; i++)
4388 udelay(100);
4389
4390 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4391 pci_write_config_dword(tp->pdev, 0xc4,
4392 cfg_val | (1 << 15));
4393 }
4394 /* Set PCIE max payload size and clear error status. */
4395 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4396 }
4397
4398 /* Re-enable indirect register accesses. */
4399 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4400 tp->misc_host_ctrl);
4401
4402 /* Set MAX PCI retry to zero. */
4403 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4404 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4405 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4406 val |= PCISTATE_RETRY_SAME_DMA;
4407 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4408
4409 pci_restore_state(tp->pdev);
4410
4411 /* Make sure PCI-X relaxed ordering bit is clear. */
4412 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4413 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4414 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4415
a4e2b347 4416 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4cf78e4f
MC		 4417 u32 val;
4418
4419 /* Chip reset on 5780 will reset MSI enable bit,
4420 * so need to restore it.
4421 */
4422 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4423 u16 ctrl;
4424
4425 pci_read_config_word(tp->pdev,
4426 tp->msi_cap + PCI_MSI_FLAGS,
4427 &ctrl);
4428 pci_write_config_word(tp->pdev,
4429 tp->msi_cap + PCI_MSI_FLAGS,
4430 ctrl | PCI_MSI_FLAGS_ENABLE);
4431 val = tr32(MSGINT_MODE);
4432 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4433 }
4434
4435 val = tr32(MEMARB_MODE);
4436 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4437
4438 } else
4439 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
1da177e4
LT		 4440
4441 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4442 tg3_stop_fw(tp);
4443 tw32(0x5000, 0x400);
4444 }
4445
4446 tw32(GRC_MODE, tp->grc_mode);
4447
4448 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4449 u32 val = tr32(0xc4);
4450
4451 tw32(0xc4, val | (1 << 15));
4452 }
4453
4454 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4455 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4456 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4457 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4458 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4459 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4460 }
4461
4462 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4463 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4464 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 4465 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4466 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4467 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 4468 } else
4469 tw32_f(MAC_MODE, 0);
4470 udelay(40);
4471
4472 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
4473 /* Wait for firmware initialization to complete. */
4474 for (i = 0; i < 100000; i++) {
4475 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4476 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4477 break;
4478 udelay(10);
4479 }
4480 if (i >= 100000) {
4481 printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, "
4482 "firmware will not restart magic=%08x\n",
4483 tp->dev->name, val);
4484 return -ENODEV;
4485 }
4486 }
4487
4488 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4489 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4490 u32 val = tr32(0x7c00);
4491
4492 tw32(0x7c00, val | (1 << 25));
4493 }
4494
4495 /* Reprobe ASF enable state. */
4496 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4497 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4498 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4499 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4500 u32 nic_cfg;
4501
4502 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4503 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4504 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 4505 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 4506 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4507 }
4508 }
4509
4510 return 0;
4511}
4512
4513/* tp->lock is held. */
4514static void tg3_stop_fw(struct tg3 *tp)
4515{
4516 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4517 u32 val;
4518 int i;
4519
4520 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4521 val = tr32(GRC_RX_CPU_EVENT);
4522 val |= (1 << 14);
4523 tw32(GRC_RX_CPU_EVENT, val);
4524
4525 /* Wait for RX cpu to ACK the event. */
4526 for (i = 0; i < 100; i++) {
4527 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4528 break;
4529 udelay(1);
4530 }
4531 }
4532}
4533
4534/* tp->lock is held. */
944d980e 4535static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 4536{
4537 int err;
4538
4539 tg3_stop_fw(tp);
4540
944d980e 4541 tg3_write_sig_pre_reset(tp, kind);
1da177e4 4542
b3b7d6be 4543 tg3_abort_hw(tp, silent);
1da177e4
LT		 4544 err = tg3_chip_reset(tp);
4545
944d980e
MC		 4546 tg3_write_sig_legacy(tp, kind);
4547 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 4548
4549 if (err)
4550 return err;
4551
4552 return 0;
4553}
4554
4555#define TG3_FW_RELEASE_MAJOR 0x0
4556#define TG3_FW_RELASE_MINOR 0x0
4557#define TG3_FW_RELEASE_FIX 0x0
4558#define TG3_FW_START_ADDR 0x08000000
4559#define TG3_FW_TEXT_ADDR 0x08000000
4560#define TG3_FW_TEXT_LEN 0x9c0
4561#define TG3_FW_RODATA_ADDR 0x080009c0
4562#define TG3_FW_RODATA_LEN 0x60
4563#define TG3_FW_DATA_ADDR 0x08000a40
4564#define TG3_FW_DATA_LEN 0x20
4565#define TG3_FW_SBSS_ADDR 0x08000a60
4566#define TG3_FW_SBSS_LEN 0xc
4567#define TG3_FW_BSS_ADDR 0x08000a70
4568#define TG3_FW_BSS_LEN 0x10
4569
4570static u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
4571 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
4572 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
4573 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
4574 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
4575 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
4576 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
4577 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
4578 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
4579 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
4580 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
4581 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
4582 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
4583 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
4584 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
4585 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
4586 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
4587 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
4588 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
4589 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
4590 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
4591 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
4592 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
4593 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
4594 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4595 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4596 0, 0, 0, 0, 0, 0,
4597 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
4598 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4599 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4600 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4601 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
4602 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
4603 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
4604 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
4605 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4606 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4607 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
4608 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4609 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4610 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4611 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
4612 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
4613 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
4614 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
4615 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
4616 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
4617 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
4618 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
4619 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
4620 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
4621 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
4622 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
4623 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
4624 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
4625 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
4626 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
4627 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
4628 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
4629 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
4630 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
4631 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
4632 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
4633 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
4634 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
4635 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
4636 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
4637 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
4638 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
4639 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
4640 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
4641 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
4642 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
4643 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
4644 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
4645 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
4646 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
4647 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
4648 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
4649 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
4650 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
4651 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
4652 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
4653 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
4654 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
4655 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
4656 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
4657 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
4658 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
4659 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
4660 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
4661 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
4662};
4663
4664static u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
4665 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
4666 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
4667 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
4668 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
4669 0x00000000
4670};
4671
4672#if 0 /* All zeros, don't eat up space with it. */
4673u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
4674 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
4675 0x00000000, 0x00000000, 0x00000000, 0x00000000
4676};
4677#endif
4678
4679#define RX_CPU_SCRATCH_BASE 0x30000
4680#define RX_CPU_SCRATCH_SIZE 0x04000
4681#define TX_CPU_SCRATCH_BASE 0x34000
4682#define TX_CPU_SCRATCH_SIZE 0x04000
4683
4684/* tp->lock is held. */
4685static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
4686{
4687 int i;
4688
4689 if (offset == TX_CPU_BASE &&
4690 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
4691 BUG();
4692
4693 if (offset == RX_CPU_BASE) {
4694 for (i = 0; i < 10000; i++) {
4695 tw32(offset + CPU_STATE, 0xffffffff);
4696 tw32(offset + CPU_MODE, CPU_MODE_HALT);
4697 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
4698 break;
4699 }
4700
4701 tw32(offset + CPU_STATE, 0xffffffff);
4702 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
4703 udelay(10);
4704 } else {
4705 for (i = 0; i < 10000; i++) {
4706 tw32(offset + CPU_STATE, 0xffffffff);
4707 tw32(offset + CPU_MODE, CPU_MODE_HALT);
4708 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
4709 break;
4710 }
4711 }
4712
4713 if (i >= 10000) {
4714 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
4715 "and %s CPU\n",
4716 tp->dev->name,
4717 (offset == RX_CPU_BASE ? "RX" : "TX"));
4718 return -ENODEV;
4719 }
4720 return 0;
4721}
4722
4723struct fw_info {
4724 unsigned int text_base;
4725 unsigned int text_len;
4726 u32 *text_data;
4727 unsigned int rodata_base;
4728 unsigned int rodata_len;
4729 u32 *rodata_data;
4730 unsigned int data_base;
4731 unsigned int data_len;
4732 u32 *data_data;
4733};
4734
4735/* tp->lock is held. */
4736static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
4737 int cpu_scratch_size, struct fw_info *info)
4738{
4739 int err, i;
1da177e4
LT		 4740 void (*write_op)(struct tg3 *, u32, u32);
4741
4742 if (cpu_base == TX_CPU_BASE &&
4743 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4744 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
4745 "TX cpu firmware on %s which is 5705.\n",
4746 tp->dev->name);
4747 return -EINVAL;
4748 }
4749
4750 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4751 write_op = tg3_write_mem;
4752 else
4753 write_op = tg3_write_indirect_reg32;
4754
1b628151
MC		 4755 /* It is possible that bootcode is still loading at this point.
4756 * Get the nvram lock first before halting the cpu.
4757 */
4758 tg3_nvram_lock(tp);
1da177e4 4759 err = tg3_halt_cpu(tp, cpu_base);
1b628151 4760 tg3_nvram_unlock(tp);
1da177e4
LT		 4761 if (err)
4762 goto out;
4763
4764 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
4765 write_op(tp, cpu_scratch_base + i, 0);
4766 tw32(cpu_base + CPU_STATE, 0xffffffff);
4767 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
4768 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
4769 write_op(tp, (cpu_scratch_base +
4770 (info->text_base & 0xffff) +
4771 (i * sizeof(u32))),
4772 (info->text_data ?
4773 info->text_data[i] : 0));
4774 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
4775 write_op(tp, (cpu_scratch_base +
4776 (info->rodata_base & 0xffff) +
4777 (i * sizeof(u32))),
4778 (info->rodata_data ?
4779 info->rodata_data[i] : 0));
4780 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
4781 write_op(tp, (cpu_scratch_base +
4782 (info->data_base & 0xffff) +
4783 (i * sizeof(u32))),
4784 (info->data_data ?
4785 info->data_data[i] : 0));
4786
4787 err = 0;
4788
4789out:
1da177e4
LT		 4790 return err;
4791}
4792
4793/* tp->lock is held. */
4794static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
4795{
4796 struct fw_info info;
4797 int err, i;
4798
4799 info.text_base = TG3_FW_TEXT_ADDR;
4800 info.text_len = TG3_FW_TEXT_LEN;
4801 info.text_data = &tg3FwText[0];
4802 info.rodata_base = TG3_FW_RODATA_ADDR;
4803 info.rodata_len = TG3_FW_RODATA_LEN;
4804 info.rodata_data = &tg3FwRodata[0];
4805 info.data_base = TG3_FW_DATA_ADDR;
4806 info.data_len = TG3_FW_DATA_LEN;
4807 info.data_data = NULL;
4808
4809 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
4810 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
4811 &info);
4812 if (err)
4813 return err;
4814
4815 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
4816 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
4817 &info);
4818 if (err)
4819 return err;
4820
4821 /* Now startup only the RX cpu. */
4822 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4823 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
4824
4825 for (i = 0; i < 5; i++) {
4826 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
4827 break;
4828 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4829 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
4830 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
4831 udelay(1000);
4832 }
4833 if (i >= 5) {
4834 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
4835 "to set RX CPU PC, is %08x should be %08x\n",
4836 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
4837 TG3_FW_TEXT_ADDR);
4838 return -ENODEV;
4839 }
4840 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4841 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
4842
4843 return 0;
4844}
4845
4846#if TG3_TSO_SUPPORT != 0
4847
4848#define TG3_TSO_FW_RELEASE_MAJOR 0x1
4849#define TG3_TSO_FW_RELASE_MINOR 0x6
4850#define TG3_TSO_FW_RELEASE_FIX 0x0
4851#define TG3_TSO_FW_START_ADDR 0x08000000
4852#define TG3_TSO_FW_TEXT_ADDR 0x08000000
4853#define TG3_TSO_FW_TEXT_LEN 0x1aa0
4854#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
4855#define TG3_TSO_FW_RODATA_LEN 0x60
4856#define TG3_TSO_FW_DATA_ADDR 0x08001b20
4857#define TG3_TSO_FW_DATA_LEN 0x30
4858#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
4859#define TG3_TSO_FW_SBSS_LEN 0x2c
4860#define TG3_TSO_FW_BSS_ADDR 0x08001b80
4861#define TG3_TSO_FW_BSS_LEN 0x894
4862
4863static u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
4864 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
4865 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
4866 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
4867 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
4868 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
4869 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
4870 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
4871 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
4872 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
4873 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
4874 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
4875 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
4876 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
4877 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
4878 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
4879 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
4880 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
4881 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
4882 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
4883 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
4884 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
4885 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
4886 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
4887 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
4888 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
4889 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
4890 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
4891 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
4892 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
4893 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
4894 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
4895 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
4896 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
4897 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
4898 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
4899 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
4900 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
4901 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
4902 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
4903 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
4904 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
4905 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
4906 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
4907 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
4908 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
4909 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
4910 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
4911 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
4912 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
4913 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
4914 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
4915 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
4916 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
4917 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
4918 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
4919 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
4920 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
4921 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
4922 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
4923 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
4924 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
4925 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
4926 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
4927 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
4928 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
4929 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
4930 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
4931 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
4932 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
4933 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
4934 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
4935 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
4936 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
4937 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
4938 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
4939 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
4940 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
4941 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
4942 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
4943 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
4944 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
4945 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
4946 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
4947 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
4948 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
4949 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
4950 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
4951 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
4952 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
4953 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
4954 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
4955 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
4956 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
4957 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
4958 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
4959 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
4960 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
4961 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
4962 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
4963 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
4964 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
4965 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
4966 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
4967 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
4968 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
4969 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
4970 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
4971 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
4972 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
4973 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
4974 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
4975 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
4976 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
4977 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
4978 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
4979 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
4980 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
4981 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
4982 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
4983 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
4984 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
4985 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
4986 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
4987 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
4988 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
4989 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
4990 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
4991 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
4992 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
4993 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
4994 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
4995 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
4996 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
4997 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
4998 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
4999 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5000 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5001 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5002 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5003 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5004 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5005 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5006 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5007 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5008 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5009 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5010 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5011 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5012 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5013 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5014 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5015 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5016 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5017 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5018 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5019 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5020 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5021 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5022 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5023 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5024 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5025 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5026 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5027 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5028 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5029 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5030 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5031 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5032 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5033 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5034 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5035 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5036 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5037 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5038 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5039 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5040 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5041 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5042 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5043 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5044 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5045 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5046 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5047 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5048 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5049 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5050 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5051 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5052 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5053 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5054 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5055 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5056 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5057 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5058 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5059 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5060 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5061 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5062 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5063 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5064 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5065 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5066 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5067 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5068 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5069 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5070 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5071 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5072 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5073 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5074 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5075 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5076 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5077 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5078 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5079 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5080 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5081 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5082 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5083 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5084 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5085 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5086 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5087 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5088 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5089 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5090 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5091 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5092 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5093 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5094 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5095 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5096 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5097 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5098 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5099 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5100 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5101 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5102 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5103 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5104 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5105 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5106 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5107 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5108 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5109 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5110 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5111 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5112 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5113 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5114 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5115 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5116 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5117 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5118 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5119 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5120 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5121 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5122 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5123 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5124 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5125 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5126 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5127 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5128 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5129 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5130 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5131 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5132 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5133 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5134 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5135 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5136 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5137 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5138 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5139 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5140 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5141 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5142 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5143 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5144 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5145 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5146 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5147 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5148};
5149
5150static u32 tg3TsoFwRodata[] = {
5151 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5152 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5153 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5154 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5155 0x00000000,
5156};
5157
5158static u32 tg3TsoFwData[] = {
5159 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5160 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5161 0x00000000,
5162};
5163
5164/* 5705 needs a special version of the TSO firmware. */
5165#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5166#define TG3_TSO5_FW_RELASE_MINOR 0x2
5167#define TG3_TSO5_FW_RELEASE_FIX 0x0
5168#define TG3_TSO5_FW_START_ADDR 0x00010000
5169#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5170#define TG3_TSO5_FW_TEXT_LEN 0xe90
5171#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5172#define TG3_TSO5_FW_RODATA_LEN 0x50
5173#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5174#define TG3_TSO5_FW_DATA_LEN 0x20
5175#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5176#define TG3_TSO5_FW_SBSS_LEN 0x28
5177#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5178#define TG3_TSO5_FW_BSS_LEN 0x88
5179
5180static u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5181 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5182 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5183 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5184 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5185 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5186 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5187 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5188 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5189 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5190 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5191 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5192 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5193 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5194 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5195 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5196 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5197 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5198 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5199 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5200 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5201 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5202 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5203 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5204 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5205 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5206 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5207 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5208 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5209 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5210 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5211 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5212 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5213 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5214 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5215 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5216 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5217 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5218 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5219 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5220 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5221 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5222 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5223 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5224 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5225 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5226 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5227 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5228 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5229 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5230 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5231 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5232 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5233 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5234 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5235 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5236 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5237 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5238 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5239 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5240 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5241 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5242 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5243 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5244 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5245 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5246 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5247 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5248 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5249 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5250 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5251 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5252 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5253 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5254 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5255 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5256 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5257 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5258 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5259 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5260 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5261 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5262 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5263 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5264 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5265 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5266 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5267 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5268 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5269 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5270 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5271 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5272 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5273 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5274 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5275 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5276 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5277 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5278 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5279 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5280 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5281 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5282 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5283 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5284 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5285 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5286 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5287 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5288 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5289 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5290 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5291 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5292 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5293 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5294 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5295 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5296 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5297 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5298 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5299 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5300 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5301 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5302 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5303 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5304 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5305 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5306 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5307 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5308 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5309 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5310 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5311 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5312 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5313 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5314 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5315 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5316 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5317 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5318 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5319 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5320 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5321 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5322 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5323 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5324 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5325 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5326 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5327 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5328 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5329 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5330 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5331 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5332 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5333 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5334 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5335 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5336 0x00000000, 0x00000000, 0x00000000,
5337};
5338
5339static u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5340 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5341 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5342 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5343 0x00000000, 0x00000000, 0x00000000,
5344};
5345
5346static u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5347 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5348 0x00000000, 0x00000000, 0x00000000,
5349};
5350
5351/* tp->lock is held. */
5352static int tg3_load_tso_firmware(struct tg3 *tp)
5353{
5354 struct fw_info info;
5355 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5356 int err, i;
5357
5358 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5359 return 0;
5360
5361 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5362 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5363 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5364 info.text_data = &tg3Tso5FwText[0];
5365 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5366 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5367 info.rodata_data = &tg3Tso5FwRodata[0];
5368 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5369 info.data_len = TG3_TSO5_FW_DATA_LEN;
5370 info.data_data = &tg3Tso5FwData[0];
5371 cpu_base = RX_CPU_BASE;
5372 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5373 cpu_scratch_size = (info.text_len +
5374 info.rodata_len +
5375 info.data_len +
5376 TG3_TSO5_FW_SBSS_LEN +
5377 TG3_TSO5_FW_BSS_LEN);
5378 } else {
5379 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5380 info.text_len = TG3_TSO_FW_TEXT_LEN;
5381 info.text_data = &tg3TsoFwText[0];
5382 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5383 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5384 info.rodata_data = &tg3TsoFwRodata[0];
5385 info.data_base = TG3_TSO_FW_DATA_ADDR;
5386 info.data_len = TG3_TSO_FW_DATA_LEN;
5387 info.data_data = &tg3TsoFwData[0];
5388 cpu_base = TX_CPU_BASE;
5389 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5390 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5391 }
5392
5393 err = tg3_load_firmware_cpu(tp, cpu_base,
5394 cpu_scratch_base, cpu_scratch_size,
5395 &info);
5396 if (err)
5397 return err;
5398
5399 /* Now startup the cpu. */
5400 tw32(cpu_base + CPU_STATE, 0xffffffff);
5401 tw32_f(cpu_base + CPU_PC, info.text_base);
5402
5403 for (i = 0; i < 5; i++) {
5404 if (tr32(cpu_base + CPU_PC) == info.text_base)
5405 break;
5406 tw32(cpu_base + CPU_STATE, 0xffffffff);
5407 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5408 tw32_f(cpu_base + CPU_PC, info.text_base);
5409 udelay(1000);
5410 }
5411 if (i >= 5) {
5412 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5413 "to set CPU PC, is %08x should be %08x\n",
5414 tp->dev->name, tr32(cpu_base + CPU_PC),
5415 info.text_base);
5416 return -ENODEV;
5417 }
5418 tw32(cpu_base + CPU_STATE, 0xffffffff);
5419 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5420 return 0;
5421}
5422
5423#endif /* TG3_TSO_SUPPORT != 0 */
5424
5425/* tp->lock is held. */
5426static void __tg3_set_mac_addr(struct tg3 *tp)
5427{
5428 u32 addr_high, addr_low;
5429 int i;
5430
5431 addr_high = ((tp->dev->dev_addr[0] << 8) |
5432 tp->dev->dev_addr[1]);
5433 addr_low = ((tp->dev->dev_addr[2] << 24) |
5434 (tp->dev->dev_addr[3] << 16) |
5435 (tp->dev->dev_addr[4] << 8) |
5436 (tp->dev->dev_addr[5] << 0));
5437 for (i = 0; i < 4; i++) {
5438 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5439 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5440 }
5441
5442 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5443 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5444 for (i = 0; i < 12; i++) {
5445 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5446 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5447 }
5448 }
5449
5450 addr_high = (tp->dev->dev_addr[0] +
5451 tp->dev->dev_addr[1] +
5452 tp->dev->dev_addr[2] +
5453 tp->dev->dev_addr[3] +
5454 tp->dev->dev_addr[4] +
5455 tp->dev->dev_addr[5]) &
5456 TX_BACKOFF_SEED_MASK;
5457 tw32(MAC_TX_BACKOFF_SEED, addr_high);
5458}
5459
5460static int tg3_set_mac_addr(struct net_device *dev, void *p)
5461{
5462 struct tg3 *tp = netdev_priv(dev);
5463 struct sockaddr *addr = p;
5464
f9804ddb
MC		 5465 if (!is_valid_ether_addr(addr->sa_data))
5466 return -EINVAL;
5467
1da177e4
LT		 5468 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5469
f47c11ee 5470 spin_lock_bh(&tp->lock);
1da177e4 5471 __tg3_set_mac_addr(tp);
f47c11ee 5472 spin_unlock_bh(&tp->lock);
1da177e4
LT		 5473
5474 return 0;
5475}
5476
5477/* tp->lock is held. */
5478static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5479 dma_addr_t mapping, u32 maxlen_flags,
5480 u32 nic_addr)
5481{
5482 tg3_write_mem(tp,
5483 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5484 ((u64) mapping >> 32));
5485 tg3_write_mem(tp,
5486 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5487 ((u64) mapping & 0xffffffff));
5488 tg3_write_mem(tp,
5489 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5490 maxlen_flags);
5491
5492 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5493 tg3_write_mem(tp,
5494 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5495 nic_addr);
5496}
5497
5498static void __tg3_set_rx_mode(struct net_device *);
d244c892 5499static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d
DM		 5500{
5501 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5502 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5503 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5504 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5505 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5506 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5507 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5508 }
5509 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5510 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5511 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5512 u32 val = ec->stats_block_coalesce_usecs;
5513
5514 if (!netif_carrier_ok(tp->dev))
5515 val = 0;
5516
5517 tw32(HOSTCC_STAT_COAL_TICKS, val);
5518 }
5519}
1da177e4
LT		 5520
5521/* tp->lock is held. */
5522static int tg3_reset_hw(struct tg3 *tp)
5523{
5524 u32 val, rdmac_mode;
5525 int i, err, limit;
5526
5527 tg3_disable_ints(tp);
5528
5529 tg3_stop_fw(tp);
5530
5531 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
5532
5533 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 5534 tg3_abort_hw(tp, 1);
1da177e4
LT		 5535 }
5536
5537 err = tg3_chip_reset(tp);
5538 if (err)
5539 return err;
5540
5541 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
5542
5543 /* This works around an issue with Athlon chipsets on
5544 * B3 tigon3 silicon. This bit has no effect on any
5545 * other revision. But do not set this on PCI Express
5546 * chips.
5547 */
5548 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
5549 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
5550 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5551
5552 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
5553 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
5554 val = tr32(TG3PCI_PCISTATE);
5555 val |= PCISTATE_RETRY_SAME_DMA;
5556 tw32(TG3PCI_PCISTATE, val);
5557 }
5558
5559 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
5560 /* Enable some hw fixes. */
5561 val = tr32(TG3PCI_MSI_DATA);
5562 val |= (1 << 26) | (1 << 28) | (1 << 29);
5563 tw32(TG3PCI_MSI_DATA, val);
5564 }
5565
5566 /* Descriptor ring init may make accesses to the
5567 * NIC SRAM area to setup the TX descriptors, so we
5568 * can only do this after the hardware has been
5569 * successfully reset.
5570 */
5571 tg3_init_rings(tp);
5572
5573 /* This value is determined during the probe time DMA
5574 * engine test, tg3_test_dma.
5575 */
5576 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
5577
5578 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
5579 GRC_MODE_4X_NIC_SEND_RINGS |
5580 GRC_MODE_NO_TX_PHDR_CSUM |
5581 GRC_MODE_NO_RX_PHDR_CSUM);
5582 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
5583 if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
5584 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
5585 if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
5586 tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
5587
5588 tw32(GRC_MODE,
5589 tp->grc_mode |
5590 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
5591
5592 /* Setup the timer prescalar register. Clock is always 66Mhz. */
5593 val = tr32(GRC_MISC_CFG);
5594 val &= ~0xff;
5595 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
5596 tw32(GRC_MISC_CFG, val);
5597
5598 /* Initialize MBUF/DESC pool. */
cbf46853 5599 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 5600 /* Do nothing. */
5601 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
5602 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
5603 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
5604 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
5605 else
5606 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
5607 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
5608 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
5609 }
5610#if TG3_TSO_SUPPORT != 0
5611 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
5612 int fw_len;
5613
5614 fw_len = (TG3_TSO5_FW_TEXT_LEN +
5615 TG3_TSO5_FW_RODATA_LEN +
5616 TG3_TSO5_FW_DATA_LEN +
5617 TG3_TSO5_FW_SBSS_LEN +
5618 TG3_TSO5_FW_BSS_LEN);
5619 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
5620 tw32(BUFMGR_MB_POOL_ADDR,
5621 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
5622 tw32(BUFMGR_MB_POOL_SIZE,
5623 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
5624 }
5625#endif
5626
0f893dc6 5627 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 5628 tw32(BUFMGR_MB_RDMA_LOW_WATER,
5629 tp->bufmgr_config.mbuf_read_dma_low_water);
5630 tw32(BUFMGR_MB_MACRX_LOW_WATER,
5631 tp->bufmgr_config.mbuf_mac_rx_low_water);
5632 tw32(BUFMGR_MB_HIGH_WATER,
5633 tp->bufmgr_config.mbuf_high_water);
5634 } else {
5635 tw32(BUFMGR_MB_RDMA_LOW_WATER,
5636 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
5637 tw32(BUFMGR_MB_MACRX_LOW_WATER,
5638 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
5639 tw32(BUFMGR_MB_HIGH_WATER,
5640 tp->bufmgr_config.mbuf_high_water_jumbo);
5641 }
5642 tw32(BUFMGR_DMA_LOW_WATER,
5643 tp->bufmgr_config.dma_low_water);
5644 tw32(BUFMGR_DMA_HIGH_WATER,
5645 tp->bufmgr_config.dma_high_water);
5646
5647 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
5648 for (i = 0; i < 2000; i++) {
5649 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
5650 break;
5651 udelay(10);
5652 }
5653 if (i >= 2000) {
5654 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
5655 tp->dev->name);
5656 return -ENODEV;
5657 }
5658
5659 /* Setup replenish threshold. */
5660 tw32(RCVBDI_STD_THRESH, tp->rx_pending / 8);
5661
5662 /* Initialize TG3_BDINFO's at:
5663 * RCVDBDI_STD_BD: standard eth size rx ring
5664 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
5665 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
5666 *
5667 * like so:
5668 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
5669 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
5670 * ring attribute flags
5671 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
5672 *
5673 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
5674 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
5675 *
5676 * The size of each ring is fixed in the firmware, but the location is
5677 * configurable.
5678 */
5679 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
5680 ((u64) tp->rx_std_mapping >> 32));
5681 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
5682 ((u64) tp->rx_std_mapping & 0xffffffff));
5683 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
5684 NIC_SRAM_RX_BUFFER_DESC);
5685
5686 /* Don't even try to program the JUMBO/MINI buffer descriptor
5687 * configs on 5705.
5688 */
5689 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5690 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
5691 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
5692 } else {
5693 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
5694 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
5695
5696 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
5697 BDINFO_FLAGS_DISABLED);
5698
5699 /* Setup replenish threshold. */
5700 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
5701
0f893dc6 5702 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 5703 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
5704 ((u64) tp->rx_jumbo_mapping >> 32));
5705 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
5706 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
5707 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
5708 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
5709 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
5710 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
5711 } else {
5712 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
5713 BDINFO_FLAGS_DISABLED);
5714 }
5715
5716 }
5717
5718 /* There is only one send ring on 5705/5750, no need to explicitly
5719 * disable the others.
5720 */
5721 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5722 /* Clear out send RCB ring in SRAM. */
5723 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
5724 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
5725 BDINFO_FLAGS_DISABLED);
5726 }
5727
5728 tp->tx_prod = 0;
5729 tp->tx_cons = 0;
5730 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
5731 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
5732
5733 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
5734 tp->tx_desc_mapping,
5735 (TG3_TX_RING_SIZE <<
5736 BDINFO_FLAGS_MAXLEN_SHIFT),
5737 NIC_SRAM_TX_BUFFER_DESC);
5738
5739 /* There is only one receive return ring on 5705/5750, no need
5740 * to explicitly disable the others.
5741 */
5742 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5743 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
5744 i += TG3_BDINFO_SIZE) {
5745 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
5746 BDINFO_FLAGS_DISABLED);
5747 }
5748 }
5749
5750 tp->rx_rcb_ptr = 0;
5751 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
5752
5753 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
5754 tp->rx_rcb_mapping,
5755 (TG3_RX_RCB_RING_SIZE(tp) <<
5756 BDINFO_FLAGS_MAXLEN_SHIFT),
5757 0);
5758
5759 tp->rx_std_ptr = tp->rx_pending;
5760 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
5761 tp->rx_std_ptr);
5762
0f893dc6 5763 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
1da177e4
LT		 5764 tp->rx_jumbo_pending : 0;
5765 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
5766 tp->rx_jumbo_ptr);
5767
5768 /* Initialize MAC address and backoff seed. */
5769 __tg3_set_mac_addr(tp);
5770
5771 /* MTU + ethernet header + FCS + optional VLAN tag */
5772 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
5773
5774 /* The slot time is changed by tg3_setup_phy if we
5775 * run at gigabit with half duplex.
5776 */
5777 tw32(MAC_TX_LENGTHS,
5778 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
5779 (6 << TX_LENGTHS_IPG_SHIFT) |
5780 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
5781
5782 /* Receive rules. */
5783 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
5784 tw32(RCVLPC_CONFIG, 0x0181);
5785
5786 /* Calculate RDMAC_MODE setting early, we need it to determine
5787 * the RCVLPC_STATE_ENABLE mask.
5788 */
5789 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
5790 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
5791 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
5792 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
5793 RDMAC_MODE_LNGREAD_ENAB);
5794 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
5795 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
85e94ced
MC		 5796
5797 /* If statement applies to 5705 and 5750 PCI devices only */
5798 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
5799 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
5800 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4
LT		 5801 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
5802 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
5803 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
5804 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
5805 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
5806 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
5807 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
5808 }
5809 }
5810
85e94ced
MC		 5811 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
5812 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
5813
1da177e4
LT		 5814#if TG3_TSO_SUPPORT != 0
5815 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5816 rdmac_mode |= (1 << 27);
5817#endif
5818
5819 /* Receive/send statistics. */
5820 if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
5821 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
5822 val = tr32(RCVLPC_STATS_ENABLE);
5823 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
5824 tw32(RCVLPC_STATS_ENABLE, val);
5825 } else {
5826 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
5827 }
5828 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
5829 tw32(SNDDATAI_STATSENAB, 0xffffff);
5830 tw32(SNDDATAI_STATSCTRL,
5831 (SNDDATAI_SCTRL_ENABLE |
5832 SNDDATAI_SCTRL_FASTUPD));
5833
5834 /* Setup host coalescing engine. */
5835 tw32(HOSTCC_MODE, 0);
5836 for (i = 0; i < 2000; i++) {
5837 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
5838 break;
5839 udelay(10);
5840 }
5841
d244c892 5842 __tg3_set_coalesce(tp, &tp->coal);
1da177e4
LT		 5843
5844 /* set status block DMA address */
5845 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
5846 ((u64) tp->status_mapping >> 32));
5847 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
5848 ((u64) tp->status_mapping & 0xffffffff));
5849
5850 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5851 /* Status/statistics block address. See tg3_timer,
5852 * the tg3_periodic_fetch_stats call there, and
5853 * tg3_get_stats to see how this works for 5705/5750 chips.
5854 */
1da177e4
LT		 5855 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
5856 ((u64) tp->stats_mapping >> 32));
5857 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
5858 ((u64) tp->stats_mapping & 0xffffffff));
5859 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
5860 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
5861 }
5862
5863 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
5864
5865 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
5866 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
5867 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5868 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
5869
5870 /* Clear statistics/status block in chip, and status block in ram. */
5871 for (i = NIC_SRAM_STATS_BLK;
5872 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
5873 i += sizeof(u32)) {
5874 tg3_write_mem(tp, i, 0);
5875 udelay(40);
5876 }
5877 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5878
c94e3941
MC		 5879 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
5880 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
5881 /* reset to prevent losing 1st rx packet intermittently */
5882 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
5883 udelay(10);
5884 }
5885
1da177e4
LT		 5886 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
5887 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
5888 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
5889 udelay(40);
5890
314fba34
MC		 5891 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
5892 * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
5893 * register to preserve the GPIO settings for LOMs. The GPIOs,
5894 * whether used as inputs or outputs, are set by boot code after
5895 * reset.
5896 */
5897 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
5898 u32 gpio_mask;
5899
5900 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
5901 GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 5902
5903 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
5904 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
5905 GRC_LCLCTRL_GPIO_OUTPUT3;
5906
314fba34
MC		 5907 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
5908
5909 /* GPIO1 must be driven high for eeprom write protect */
1da177e4
LT		 5910 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
5911 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 5912 }
1da177e4
LT		 5913 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
5914 udelay(100);
5915
09ee929c 5916 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
fac9b83e 5917 tp->last_tag = 0;
1da177e4
LT		 5918
5919 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5920 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
5921 udelay(40);
5922 }
5923
5924 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
5925 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
5926 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
5927 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
5928 WDMAC_MODE_LNGREAD_ENAB);
5929
85e94ced
MC		 5930 /* If statement applies to 5705 and 5750 PCI devices only */
5931 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
5932 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
5933 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
1da177e4
LT		 5934 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
5935 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
5936 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
5937 /* nothing */
5938 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
5939 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
5940 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
5941 val |= WDMAC_MODE_RX_ACCEL;
5942 }
5943 }
5944
5945 tw32_f(WDMAC_MODE, val);
5946 udelay(40);
5947
5948 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
5949 val = tr32(TG3PCI_X_CAPS);
5950 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
5951 val &= ~PCIX_CAPS_BURST_MASK;
5952 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
5953 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5954 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
5955 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
5956 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
5957 val |= (tp->split_mode_max_reqs <<
5958 PCIX_CAPS_SPLIT_SHIFT);
5959 }
5960 tw32(TG3PCI_X_CAPS, val);
5961 }
5962
5963 tw32_f(RDMAC_MODE, rdmac_mode);
5964 udelay(40);
5965
5966 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
5967 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5968 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
5969 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
5970 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
5971 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
5972 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
5973 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
5974#if TG3_TSO_SUPPORT != 0
5975 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5976 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
5977#endif
5978 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
5979 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
5980
5981 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
5982 err = tg3_load_5701_a0_firmware_fix(tp);
5983 if (err)
5984 return err;
5985 }
5986
5987#if TG3_TSO_SUPPORT != 0
5988 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
5989 err = tg3_load_tso_firmware(tp);
5990 if (err)
5991 return err;
5992 }
5993#endif
5994
5995 tp->tx_mode = TX_MODE_ENABLE;
5996 tw32_f(MAC_TX_MODE, tp->tx_mode);
5997 udelay(100);
5998
5999 tp->rx_mode = RX_MODE_ENABLE;
6000 tw32_f(MAC_RX_MODE, tp->rx_mode);
6001 udelay(10);
6002
6003 if (tp->link_config.phy_is_low_power) {
6004 tp->link_config.phy_is_low_power = 0;
6005 tp->link_config.speed = tp->link_config.orig_speed;
6006 tp->link_config.duplex = tp->link_config.orig_duplex;
6007 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6008 }
6009
6010 tp->mi_mode = MAC_MI_MODE_BASE;
6011 tw32_f(MAC_MI_MODE, tp->mi_mode);
6012 udelay(80);
6013
6014 tw32(MAC_LED_CTRL, tp->led_ctrl);
6015
6016 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 6017 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 6018 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6019 udelay(10);
6020 }
6021 tw32_f(MAC_RX_MODE, tp->rx_mode);
6022 udelay(10);
6023
6024 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6025 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6026 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6027 /* Set drive transmission level to 1.2V */
6028 /* only if the signal pre-emphasis bit is not set */
6029 val = tr32(MAC_SERDES_CFG);
6030 val &= 0xfffff000;
6031 val |= 0x880;
6032 tw32(MAC_SERDES_CFG, val);
6033 }
6034 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6035 tw32(MAC_SERDES_CFG, 0x616000);
6036 }
6037
6038 /* Prevent chip from dropping frames when flow control
6039 * is enabled.
6040 */
6041 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6042
6043 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6044 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6045 /* Use hardware link auto-negotiation */
6046 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6047 }
6048
6049 err = tg3_setup_phy(tp, 1);
6050 if (err)
6051 return err;
6052
6053 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6054 u32 tmp;
6055
6056 /* Clear CRC stats. */
6057 if (!tg3_readphy(tp, 0x1e, &tmp)) {
6058 tg3_writephy(tp, 0x1e, tmp | 0x8000);
6059 tg3_readphy(tp, 0x14, &tmp);
6060 }
6061 }
6062
6063 __tg3_set_rx_mode(tp->dev);
6064
6065 /* Initialize receive rules. */
6066 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6067 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6068 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6069 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6070
4cf78e4f 6071 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 6072 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 6073 limit = 8;
6074 else
6075 limit = 16;
6076 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6077 limit -= 4;
6078 switch (limit) {
6079 case 16:
6080 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6081 case 15:
6082 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6083 case 14:
6084 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6085 case 13:
6086 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6087 case 12:
6088 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6089 case 11:
6090 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6091 case 10:
6092 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6093 case 9:
6094 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6095 case 8:
6096 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6097 case 7:
6098 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6099 case 6:
6100 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6101 case 5:
6102 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6103 case 4:
6104 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6105 case 3:
6106 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6107 case 2:
6108 case 1:
6109
6110 default:
6111 break;
6112 };
6113
6114 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6115
1da177e4
LT		 6116 return 0;
6117}
6118
6119/* Called at device open time to get the chip ready for
6120 * packet processing. Invoked with tp->lock held.
6121 */
6122static int tg3_init_hw(struct tg3 *tp)
6123{
6124 int err;
6125
6126 /* Force the chip into D0. */
6127 err = tg3_set_power_state(tp, 0);
6128 if (err)
6129 goto out;
6130
6131 tg3_switch_clocks(tp);
6132
6133 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6134
6135 err = tg3_reset_hw(tp);
6136
6137out:
6138 return err;
6139}
6140
6141#define TG3_STAT_ADD32(PSTAT, REG) \
6142do { u32 __val = tr32(REG); \
6143 (PSTAT)->low += __val; \
6144 if ((PSTAT)->low < __val) \
6145 (PSTAT)->high += 1; \
6146} while (0)
6147
6148static void tg3_periodic_fetch_stats(struct tg3 *tp)
6149{
6150 struct tg3_hw_stats *sp = tp->hw_stats;
6151
6152 if (!netif_carrier_ok(tp->dev))
6153 return;
6154
6155 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6156 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6157 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6158 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6159 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6160 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6161 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6162 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6163 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6164 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6165 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6166 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6167 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6168
6169 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6170 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6171 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6172 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6173 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6174 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6175 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6176 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6177 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6178 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6179 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6180 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6181 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6182 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6183}
6184
6185static void tg3_timer(unsigned long __opaque)
6186{
6187 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 6188
f47c11ee 6189 spin_lock(&tp->lock);
1da177e4 6190
fac9b83e
DM		 6191 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6192 /* All of this garbage is because when using non-tagged
6193 * IRQ status the mailbox/status_block protocol the chip
6194 * uses with the cpu is race prone.
6195 */
6196 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6197 tw32(GRC_LOCAL_CTRL,
6198 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6199 } else {
6200 tw32(HOSTCC_MODE, tp->coalesce_mode |
6201 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6202 }
1da177e4 6203
fac9b83e
DM		 6204 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6205 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 6206 spin_unlock(&tp->lock);
fac9b83e
DM		 6207 schedule_work(&tp->reset_task);
6208 return;
6209 }
1da177e4
LT		 6210 }
6211
1da177e4
LT		 6212 /* This part only runs once per second. */
6213 if (!--tp->timer_counter) {
fac9b83e
DM		 6214 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6215 tg3_periodic_fetch_stats(tp);
6216
1da177e4
LT		 6217 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6218 u32 mac_stat;
6219 int phy_event;
6220
6221 mac_stat = tr32(MAC_STATUS);
6222
6223 phy_event = 0;
6224 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6225 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6226 phy_event = 1;
6227 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6228 phy_event = 1;
6229
6230 if (phy_event)
6231 tg3_setup_phy(tp, 0);
6232 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6233 u32 mac_stat = tr32(MAC_STATUS);
6234 int need_setup = 0;
6235
6236 if (netif_carrier_ok(tp->dev) &&
6237 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6238 need_setup = 1;
6239 }
6240 if (! netif_carrier_ok(tp->dev) &&
6241 (mac_stat & (MAC_STATUS_PCS_SYNCED |
6242 MAC_STATUS_SIGNAL_DET))) {
6243 need_setup = 1;
6244 }
6245 if (need_setup) {
6246 tw32_f(MAC_MODE,
6247 (tp->mac_mode &
6248 ~MAC_MODE_PORT_MODE_MASK));
6249 udelay(40);
6250 tw32_f(MAC_MODE, tp->mac_mode);
6251 udelay(40);
6252 tg3_setup_phy(tp, 0);
6253 }
747e8f8b
MC		 6254 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6255 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 6256
6257 tp->timer_counter = tp->timer_multiplier;
6258 }
6259
28fbef78 6260 /* Heartbeat is only sent once every 2 seconds. */
1da177e4
LT		 6261 if (!--tp->asf_counter) {
6262 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6263 u32 val;
6264
28fbef78
MC		 6265 tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_MBOX,
6266 FWCMD_NICDRV_ALIVE2);
6267 tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6268 /* 5 seconds timeout */
6269 tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
1da177e4
LT		 6270 val = tr32(GRC_RX_CPU_EVENT);
6271 val |= (1 << 14);
6272 tw32(GRC_RX_CPU_EVENT, val);
6273 }
6274 tp->asf_counter = tp->asf_multiplier;
6275 }
6276
f47c11ee 6277 spin_unlock(&tp->lock);
1da177e4
LT		 6278
6279 tp->timer.expires = jiffies + tp->timer_offset;
6280 add_timer(&tp->timer);
6281}
6282
7938109f
MC		 6283static int tg3_test_interrupt(struct tg3 *tp)
6284{
6285 struct net_device *dev = tp->dev;
6286 int err, i;
6287 u32 int_mbox = 0;
6288
d4bc3927
MC		 6289 if (!netif_running(dev))
6290 return -ENODEV;
6291
7938109f
MC		 6292 tg3_disable_ints(tp);
6293
6294 free_irq(tp->pdev->irq, dev);
6295
6296 err = request_irq(tp->pdev->irq, tg3_test_isr,
f4d0ee98 6297 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
7938109f
MC		 6298 if (err)
6299 return err;
6300
38f3843e 6301 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 6302 tg3_enable_ints(tp);
6303
6304 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6305 HOSTCC_MODE_NOW);
6306
6307 for (i = 0; i < 5; i++) {
09ee929c
MC		 6308 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6309 TG3_64BIT_REG_LOW);
7938109f
MC		 6310 if (int_mbox != 0)
6311 break;
6312 msleep(10);
6313 }
6314
6315 tg3_disable_ints(tp);
6316
6317 free_irq(tp->pdev->irq, dev);
6318
6319 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
6320 err = request_irq(tp->pdev->irq, tg3_msi,
f4d0ee98 6321 SA_SAMPLE_RANDOM, dev->name, dev);
fac9b83e
DM		 6322 else {
6323 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
6324 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6325 fn = tg3_interrupt_tagged;
6326 err = request_irq(tp->pdev->irq, fn,
f4d0ee98 6327 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
fac9b83e 6328 }
7938109f
MC		 6329
6330 if (err)
6331 return err;
6332
6333 if (int_mbox != 0)
6334 return 0;
6335
6336 return -EIO;
6337}
6338
6339/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6340 * successfully restored
6341 */
6342static int tg3_test_msi(struct tg3 *tp)
6343{
6344 struct net_device *dev = tp->dev;
6345 int err;
6346 u16 pci_cmd;
6347
6348 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6349 return 0;
6350
6351 /* Turn off SERR reporting in case MSI terminates with Master
6352 * Abort.
6353 */
6354 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6355 pci_write_config_word(tp->pdev, PCI_COMMAND,
6356 pci_cmd & ~PCI_COMMAND_SERR);
6357
6358 err = tg3_test_interrupt(tp);
6359
6360 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6361
6362 if (!err)
6363 return 0;
6364
6365 /* other failures */
6366 if (err != -EIO)
6367 return err;
6368
6369 /* MSI test failed, go back to INTx mode */
6370 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6371 "switching to INTx mode. Please report this failure to "
6372 "the PCI maintainer and include system chipset information.\n",
6373 tp->dev->name);
6374
6375 free_irq(tp->pdev->irq, dev);
6376 pci_disable_msi(tp->pdev);
6377
6378 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6379
fac9b83e
DM		 6380 {
6381 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
6382 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6383 fn = tg3_interrupt_tagged;
7938109f 6384
fac9b83e
DM		 6385 err = request_irq(tp->pdev->irq, fn,
6386 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
6387 }
7938109f
MC		 6388 if (err)
6389 return err;
6390
6391 /* Need to reset the chip because the MSI cycle may have terminated
6392 * with Master Abort.
6393 */
f47c11ee 6394 tg3_full_lock(tp, 1);
7938109f 6395
944d980e 6396 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 6397 err = tg3_init_hw(tp);
6398
f47c11ee 6399 tg3_full_unlock(tp);
7938109f
MC		 6400
6401 if (err)
6402 free_irq(tp->pdev->irq, dev);
6403
6404 return err;
6405}
6406
1da177e4
LT		 6407static int tg3_open(struct net_device *dev)
6408{
6409 struct tg3 *tp = netdev_priv(dev);
6410 int err;
6411
f47c11ee 6412 tg3_full_lock(tp, 0);
1da177e4
LT		 6413
6414 tg3_disable_ints(tp);
6415 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6416
f47c11ee 6417 tg3_full_unlock(tp);
1da177e4
LT		 6418
6419 /* The placement of this call is tied
6420 * to the setup and use of Host TX descriptors.
6421 */
6422 err = tg3_alloc_consistent(tp);
6423 if (err)
6424 return err;
6425
88b06bc2
MC		 6426 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
6427 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
6428 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
fac9b83e
DM		 6429 /* All MSI supporting chips should support tagged
6430 * status. Assert that this is the case.
6431 */
6432 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6433 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
6434 "Not using MSI.\n", tp->dev->name);
6435 } else if (pci_enable_msi(tp->pdev) == 0) {
88b06bc2
MC		 6436 u32 msi_mode;
6437
6438 msi_mode = tr32(MSGINT_MODE);
6439 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
6440 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
6441 }
6442 }
6443 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
6444 err = request_irq(tp->pdev->irq, tg3_msi,
f4d0ee98 6445 SA_SAMPLE_RANDOM, dev->name, dev);
fac9b83e
DM		 6446 else {
6447 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
6448 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6449 fn = tg3_interrupt_tagged;
6450
6451 err = request_irq(tp->pdev->irq, fn,
f4d0ee98 6452 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
fac9b83e 6453 }
1da177e4
LT		 6454
6455 if (err) {
88b06bc2
MC		 6456 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6457 pci_disable_msi(tp->pdev);
6458 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6459 }
1da177e4
LT		 6460 tg3_free_consistent(tp);
6461 return err;
6462 }
6463
f47c11ee 6464 tg3_full_lock(tp, 0);
1da177e4
LT		 6465
6466 err = tg3_init_hw(tp);
6467 if (err) {
944d980e 6468 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 6469 tg3_free_rings(tp);
6470 } else {
fac9b83e
DM		 6471 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6472 tp->timer_offset = HZ;
6473 else
6474 tp->timer_offset = HZ / 10;
6475
6476 BUG_ON(tp->timer_offset > HZ);
6477 tp->timer_counter = tp->timer_multiplier =
6478 (HZ / tp->timer_offset);
6479 tp->asf_counter = tp->asf_multiplier =
28fbef78 6480 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 6481
6482 init_timer(&tp->timer);
6483 tp->timer.expires = jiffies + tp->timer_offset;
6484 tp->timer.data = (unsigned long) tp;
6485 tp->timer.function = tg3_timer;
1da177e4
LT		 6486 }
6487
f47c11ee 6488 tg3_full_unlock(tp);
1da177e4
LT		 6489
6490 if (err) {
88b06bc2
MC		 6491 free_irq(tp->pdev->irq, dev);
6492 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6493 pci_disable_msi(tp->pdev);
6494 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6495 }
1da177e4
LT		 6496 tg3_free_consistent(tp);
6497 return err;
6498 }
6499
7938109f
MC		 6500 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6501 err = tg3_test_msi(tp);
fac9b83e 6502
7938109f 6503 if (err) {
f47c11ee 6504 tg3_full_lock(tp, 0);
7938109f
MC		 6505
6506 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6507 pci_disable_msi(tp->pdev);
6508 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6509 }
944d980e 6510 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 6511 tg3_free_rings(tp);
6512 tg3_free_consistent(tp);
6513
f47c11ee 6514 tg3_full_unlock(tp);
7938109f
MC		 6515
6516 return err;
6517 }
6518 }
6519
f47c11ee 6520 tg3_full_lock(tp, 0);
1da177e4 6521
7938109f
MC		 6522 add_timer(&tp->timer);
6523 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 6524 tg3_enable_ints(tp);
6525
f47c11ee 6526 tg3_full_unlock(tp);
1da177e4
LT		 6527
6528 netif_start_queue(dev);
6529
6530 return 0;
6531}
6532
6533#if 0
6534/*static*/ void tg3_dump_state(struct tg3 *tp)
6535{
6536 u32 val32, val32_2, val32_3, val32_4, val32_5;
6537 u16 val16;
6538 int i;
6539
6540 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
6541 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
6542 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
6543 val16, val32);
6544
6545 /* MAC block */
6546 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
6547 tr32(MAC_MODE), tr32(MAC_STATUS));
6548 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
6549 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
6550 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
6551 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
6552 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
6553 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
6554
6555 /* Send data initiator control block */
6556 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
6557 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
6558 printk(" SNDDATAI_STATSCTRL[%08x]\n",
6559 tr32(SNDDATAI_STATSCTRL));
6560
6561 /* Send data completion control block */
6562 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
6563
6564 /* Send BD ring selector block */
6565 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
6566 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
6567
6568 /* Send BD initiator control block */
6569 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
6570 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
6571
6572 /* Send BD completion control block */
6573 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
6574
6575 /* Receive list placement control block */
6576 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
6577 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
6578 printk(" RCVLPC_STATSCTRL[%08x]\n",
6579 tr32(RCVLPC_STATSCTRL));
6580
6581 /* Receive data and receive BD initiator control block */
6582 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
6583 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
6584
6585 /* Receive data completion control block */
6586 printk("DEBUG: RCVDCC_MODE[%08x]\n",
6587 tr32(RCVDCC_MODE));
6588
6589 /* Receive BD initiator control block */
6590 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
6591 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
6592
6593 /* Receive BD completion control block */
6594 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
6595 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
6596
6597 /* Receive list selector control block */
6598 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
6599 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
6600
6601 /* Mbuf cluster free block */
6602 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
6603 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
6604
6605 /* Host coalescing control block */
6606 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
6607 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
6608 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
6609 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
6610 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
6611 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
6612 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
6613 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
6614 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
6615 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
6616 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
6617 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
6618
6619 /* Memory arbiter control block */
6620 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
6621 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
6622
6623 /* Buffer manager control block */
6624 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
6625 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
6626 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
6627 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
6628 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
6629 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
6630 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
6631 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
6632
6633 /* Read DMA control block */
6634 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
6635 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
6636
6637 /* Write DMA control block */
6638 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
6639 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
6640
6641 /* DMA completion block */
6642 printk("DEBUG: DMAC_MODE[%08x]\n",
6643 tr32(DMAC_MODE));
6644
6645 /* GRC block */
6646 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
6647 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
6648 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
6649 tr32(GRC_LOCAL_CTRL));
6650
6651 /* TG3_BDINFOs */
6652 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
6653 tr32(RCVDBDI_JUMBO_BD + 0x0),
6654 tr32(RCVDBDI_JUMBO_BD + 0x4),
6655 tr32(RCVDBDI_JUMBO_BD + 0x8),
6656 tr32(RCVDBDI_JUMBO_BD + 0xc));
6657 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
6658 tr32(RCVDBDI_STD_BD + 0x0),
6659 tr32(RCVDBDI_STD_BD + 0x4),
6660 tr32(RCVDBDI_STD_BD + 0x8),
6661 tr32(RCVDBDI_STD_BD + 0xc));
6662 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
6663 tr32(RCVDBDI_MINI_BD + 0x0),
6664 tr32(RCVDBDI_MINI_BD + 0x4),
6665 tr32(RCVDBDI_MINI_BD + 0x8),
6666 tr32(RCVDBDI_MINI_BD + 0xc));
6667
6668 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
6669 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
6670 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
6671 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
6672 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
6673 val32, val32_2, val32_3, val32_4);
6674
6675 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
6676 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
6677 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
6678 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
6679 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
6680 val32, val32_2, val32_3, val32_4);
6681
6682 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
6683 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
6684 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
6685 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
6686 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
6687 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
6688 val32, val32_2, val32_3, val32_4, val32_5);
6689
6690 /* SW status block */
6691 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
6692 tp->hw_status->status,
6693 tp->hw_status->status_tag,
6694 tp->hw_status->rx_jumbo_consumer,
6695 tp->hw_status->rx_consumer,
6696 tp->hw_status->rx_mini_consumer,
6697 tp->hw_status->idx[0].rx_producer,
6698 tp->hw_status->idx[0].tx_consumer);
6699
6700 /* SW statistics block */
6701 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
6702 ((u32 *)tp->hw_stats)[0],
6703 ((u32 *)tp->hw_stats)[1],
6704 ((u32 *)tp->hw_stats)[2],
6705 ((u32 *)tp->hw_stats)[3]);
6706
6707 /* Mailboxes */
6708 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 6709 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
6710 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
6711 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
6712 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 6713
6714 /* NIC side send descriptors. */
6715 for (i = 0; i < 6; i++) {
6716 unsigned long txd;
6717
6718 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
6719 + (i * sizeof(struct tg3_tx_buffer_desc));
6720 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
6721 i,
6722 readl(txd + 0x0), readl(txd + 0x4),
6723 readl(txd + 0x8), readl(txd + 0xc));
6724 }
6725
6726 /* NIC side RX descriptors. */
6727 for (i = 0; i < 6; i++) {
6728 unsigned long rxd;
6729
6730 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
6731 + (i * sizeof(struct tg3_rx_buffer_desc));
6732 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
6733 i,
6734 readl(rxd + 0x0), readl(rxd + 0x4),
6735 readl(rxd + 0x8), readl(rxd + 0xc));
6736 rxd += (4 * sizeof(u32));
6737 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
6738 i,
6739 readl(rxd + 0x0), readl(rxd + 0x4),
6740 readl(rxd + 0x8), readl(rxd + 0xc));
6741 }
6742
6743 for (i = 0; i < 6; i++) {
6744 unsigned long rxd;
6745
6746 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
6747 + (i * sizeof(struct tg3_rx_buffer_desc));
6748 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
6749 i,
6750 readl(rxd + 0x0), readl(rxd + 0x4),
6751 readl(rxd + 0x8), readl(rxd + 0xc));
6752 rxd += (4 * sizeof(u32));
6753 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
6754 i,
6755 readl(rxd + 0x0), readl(rxd + 0x4),
6756 readl(rxd + 0x8), readl(rxd + 0xc));
6757 }
6758}
6759#endif
6760
6761static struct net_device_stats *tg3_get_stats(struct net_device *);
6762static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
6763
6764static int tg3_close(struct net_device *dev)
6765{
6766 struct tg3 *tp = netdev_priv(dev);
6767
6768 netif_stop_queue(dev);
6769
6770 del_timer_sync(&tp->timer);
6771
f47c11ee 6772 tg3_full_lock(tp, 1);
1da177e4
LT		 6773#if 0
6774 tg3_dump_state(tp);
6775#endif
6776
6777 tg3_disable_ints(tp);
6778
944d980e 6779 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 6780 tg3_free_rings(tp);
6781 tp->tg3_flags &=
6782 ~(TG3_FLAG_INIT_COMPLETE |
6783 TG3_FLAG_GOT_SERDES_FLOWCTL);
6784 netif_carrier_off(tp->dev);
6785
f47c11ee 6786 tg3_full_unlock(tp);
1da177e4 6787
88b06bc2
MC		 6788 free_irq(tp->pdev->irq, dev);
6789 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6790 pci_disable_msi(tp->pdev);
6791 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6792 }
1da177e4
LT		 6793
6794 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
6795 sizeof(tp->net_stats_prev));
6796 memcpy(&tp->estats_prev, tg3_get_estats(tp),
6797 sizeof(tp->estats_prev));
6798
6799 tg3_free_consistent(tp);
6800
6801 return 0;
6802}
6803
6804static inline unsigned long get_stat64(tg3_stat64_t *val)
6805{
6806 unsigned long ret;
6807
6808#if (BITS_PER_LONG == 32)
6809 ret = val->low;
6810#else
6811 ret = ((u64)val->high << 32) | ((u64)val->low);
6812#endif
6813 return ret;
6814}
6815
6816static unsigned long calc_crc_errors(struct tg3 *tp)
6817{
6818 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6819
6820 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6821 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
6822 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 6823 u32 val;
6824
f47c11ee 6825 spin_lock_bh(&tp->lock);
1da177e4
LT		 6826 if (!tg3_readphy(tp, 0x1e, &val)) {
6827 tg3_writephy(tp, 0x1e, val | 0x8000);
6828 tg3_readphy(tp, 0x14, &val);
6829 } else
6830 val = 0;
f47c11ee 6831 spin_unlock_bh(&tp->lock);
1da177e4
LT		 6832
6833 tp->phy_crc_errors += val;
6834
6835 return tp->phy_crc_errors;
6836 }
6837
6838 return get_stat64(&hw_stats->rx_fcs_errors);
6839}
6840
6841#define ESTAT_ADD(member) \
6842 estats->member = old_estats->member + \
6843 get_stat64(&hw_stats->member)
6844
6845static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
6846{
6847 struct tg3_ethtool_stats *estats = &tp->estats;
6848 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
6849 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6850
6851 if (!hw_stats)
6852 return old_estats;
6853
6854 ESTAT_ADD(rx_octets);
6855 ESTAT_ADD(rx_fragments);
6856 ESTAT_ADD(rx_ucast_packets);
6857 ESTAT_ADD(rx_mcast_packets);
6858 ESTAT_ADD(rx_bcast_packets);
6859 ESTAT_ADD(rx_fcs_errors);
6860 ESTAT_ADD(rx_align_errors);
6861 ESTAT_ADD(rx_xon_pause_rcvd);
6862 ESTAT_ADD(rx_xoff_pause_rcvd);
6863 ESTAT_ADD(rx_mac_ctrl_rcvd);
6864 ESTAT_ADD(rx_xoff_entered);
6865 ESTAT_ADD(rx_frame_too_long_errors);
6866 ESTAT_ADD(rx_jabbers);
6867 ESTAT_ADD(rx_undersize_packets);
6868 ESTAT_ADD(rx_in_length_errors);
6869 ESTAT_ADD(rx_out_length_errors);
6870 ESTAT_ADD(rx_64_or_less_octet_packets);
6871 ESTAT_ADD(rx_65_to_127_octet_packets);
6872 ESTAT_ADD(rx_128_to_255_octet_packets);
6873 ESTAT_ADD(rx_256_to_511_octet_packets);
6874 ESTAT_ADD(rx_512_to_1023_octet_packets);
6875 ESTAT_ADD(rx_1024_to_1522_octet_packets);
6876 ESTAT_ADD(rx_1523_to_2047_octet_packets);
6877 ESTAT_ADD(rx_2048_to_4095_octet_packets);
6878 ESTAT_ADD(rx_4096_to_8191_octet_packets);
6879 ESTAT_ADD(rx_8192_to_9022_octet_packets);
6880
6881 ESTAT_ADD(tx_octets);
6882 ESTAT_ADD(tx_collisions);
6883 ESTAT_ADD(tx_xon_sent);
6884 ESTAT_ADD(tx_xoff_sent);
6885 ESTAT_ADD(tx_flow_control);
6886 ESTAT_ADD(tx_mac_errors);
6887 ESTAT_ADD(tx_single_collisions);
6888 ESTAT_ADD(tx_mult_collisions);
6889 ESTAT_ADD(tx_deferred);
6890 ESTAT_ADD(tx_excessive_collisions);
6891 ESTAT_ADD(tx_late_collisions);
6892 ESTAT_ADD(tx_collide_2times);
6893 ESTAT_ADD(tx_collide_3times);
6894 ESTAT_ADD(tx_collide_4times);
6895 ESTAT_ADD(tx_collide_5times);
6896 ESTAT_ADD(tx_collide_6times);
6897 ESTAT_ADD(tx_collide_7times);
6898 ESTAT_ADD(tx_collide_8times);
6899 ESTAT_ADD(tx_collide_9times);
6900 ESTAT_ADD(tx_collide_10times);
6901 ESTAT_ADD(tx_collide_11times);
6902 ESTAT_ADD(tx_collide_12times);
6903 ESTAT_ADD(tx_collide_13times);
6904 ESTAT_ADD(tx_collide_14times);
6905 ESTAT_ADD(tx_collide_15times);
6906 ESTAT_ADD(tx_ucast_packets);
6907 ESTAT_ADD(tx_mcast_packets);
6908 ESTAT_ADD(tx_bcast_packets);
6909 ESTAT_ADD(tx_carrier_sense_errors);
6910 ESTAT_ADD(tx_discards);
6911 ESTAT_ADD(tx_errors);
6912
6913 ESTAT_ADD(dma_writeq_full);
6914 ESTAT_ADD(dma_write_prioq_full);
6915 ESTAT_ADD(rxbds_empty);
6916 ESTAT_ADD(rx_discards);
6917 ESTAT_ADD(rx_errors);
6918 ESTAT_ADD(rx_threshold_hit);
6919
6920 ESTAT_ADD(dma_readq_full);
6921 ESTAT_ADD(dma_read_prioq_full);
6922 ESTAT_ADD(tx_comp_queue_full);
6923
6924 ESTAT_ADD(ring_set_send_prod_index);
6925 ESTAT_ADD(ring_status_update);
6926 ESTAT_ADD(nic_irqs);
6927 ESTAT_ADD(nic_avoided_irqs);
6928 ESTAT_ADD(nic_tx_threshold_hit);
6929
6930 return estats;
6931}
6932
6933static struct net_device_stats *tg3_get_stats(struct net_device *dev)
6934{
6935 struct tg3 *tp = netdev_priv(dev);
6936 struct net_device_stats *stats = &tp->net_stats;
6937 struct net_device_stats *old_stats = &tp->net_stats_prev;
6938 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6939
6940 if (!hw_stats)
6941 return old_stats;
6942
6943 stats->rx_packets = old_stats->rx_packets +
6944 get_stat64(&hw_stats->rx_ucast_packets) +
6945 get_stat64(&hw_stats->rx_mcast_packets) +
6946 get_stat64(&hw_stats->rx_bcast_packets);
6947
6948 stats->tx_packets = old_stats->tx_packets +
6949 get_stat64(&hw_stats->tx_ucast_packets) +
6950 get_stat64(&hw_stats->tx_mcast_packets) +
6951 get_stat64(&hw_stats->tx_bcast_packets);
6952
6953 stats->rx_bytes = old_stats->rx_bytes +
6954 get_stat64(&hw_stats->rx_octets);
6955 stats->tx_bytes = old_stats->tx_bytes +
6956 get_stat64(&hw_stats->tx_octets);
6957
6958 stats->rx_errors = old_stats->rx_errors +
4f63b877 6959 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 6960 stats->tx_errors = old_stats->tx_errors +
6961 get_stat64(&hw_stats->tx_errors) +
6962 get_stat64(&hw_stats->tx_mac_errors) +
6963 get_stat64(&hw_stats->tx_carrier_sense_errors) +
6964 get_stat64(&hw_stats->tx_discards);
6965
6966 stats->multicast = old_stats->multicast +
6967 get_stat64(&hw_stats->rx_mcast_packets);
6968 stats->collisions = old_stats->collisions +
6969 get_stat64(&hw_stats->tx_collisions);
6970
6971 stats->rx_length_errors = old_stats->rx_length_errors +
6972 get_stat64(&hw_stats->rx_frame_too_long_errors) +
6973 get_stat64(&hw_stats->rx_undersize_packets);
6974
6975 stats->rx_over_errors = old_stats->rx_over_errors +
6976 get_stat64(&hw_stats->rxbds_empty);
6977 stats->rx_frame_errors = old_stats->rx_frame_errors +
6978 get_stat64(&hw_stats->rx_align_errors);
6979 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
6980 get_stat64(&hw_stats->tx_discards);
6981 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
6982 get_stat64(&hw_stats->tx_carrier_sense_errors);
6983
6984 stats->rx_crc_errors = old_stats->rx_crc_errors +
6985 calc_crc_errors(tp);
6986
4f63b877
JL		 6987 stats->rx_missed_errors = old_stats->rx_missed_errors +
6988 get_stat64(&hw_stats->rx_discards);
6989
1da177e4
LT		 6990 return stats;
6991}
6992
6993static inline u32 calc_crc(unsigned char *buf, int len)
6994{
6995 u32 reg;
6996 u32 tmp;
6997 int j, k;
6998
6999 reg = 0xffffffff;
7000
7001 for (j = 0; j < len; j++) {
7002 reg ^= buf[j];
7003
7004 for (k = 0; k < 8; k++) {
7005 tmp = reg & 0x01;
7006
7007 reg >>= 1;
7008
7009 if (tmp) {
7010 reg ^= 0xedb88320;
7011 }
7012 }
7013 }
7014
7015 return ~reg;
7016}
7017
7018static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7019{
7020 /* accept or reject all multicast frames */
7021 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7022 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7023 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7024 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7025}
7026
7027static void __tg3_set_rx_mode(struct net_device *dev)
7028{
7029 struct tg3 *tp = netdev_priv(dev);
7030 u32 rx_mode;
7031
7032 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7033 RX_MODE_KEEP_VLAN_TAG);
7034
7035 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7036 * flag clear.
7037 */
7038#if TG3_VLAN_TAG_USED
7039 if (!tp->vlgrp &&
7040 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7041 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7042#else
7043 /* By definition, VLAN is disabled always in this
7044 * case.
7045 */
7046 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7047 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7048#endif
7049
7050 if (dev->flags & IFF_PROMISC) {
7051 /* Promiscuous mode. */
7052 rx_mode |= RX_MODE_PROMISC;
7053 } else if (dev->flags & IFF_ALLMULTI) {
7054 /* Accept all multicast. */
7055 tg3_set_multi (tp, 1);
7056 } else if (dev->mc_count < 1) {
7057 /* Reject all multicast. */
7058 tg3_set_multi (tp, 0);
7059 } else {
7060 /* Accept one or more multicast(s). */
7061 struct dev_mc_list *mclist;
7062 unsigned int i;
7063 u32 mc_filter[4] = { 0, };
7064 u32 regidx;
7065 u32 bit;
7066 u32 crc;
7067
7068 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7069 i++, mclist = mclist->next) {
7070
7071 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7072 bit = ~crc & 0x7f;
7073 regidx = (bit & 0x60) >> 5;
7074 bit &= 0x1f;
7075 mc_filter[regidx] |= (1 << bit);
7076 }
7077
7078 tw32(MAC_HASH_REG_0, mc_filter[0]);
7079 tw32(MAC_HASH_REG_1, mc_filter[1]);
7080 tw32(MAC_HASH_REG_2, mc_filter[2]);
7081 tw32(MAC_HASH_REG_3, mc_filter[3]);
7082 }
7083
7084 if (rx_mode != tp->rx_mode) {
7085 tp->rx_mode = rx_mode;
7086 tw32_f(MAC_RX_MODE, rx_mode);
7087 udelay(10);
7088 }
7089}
7090
7091static void tg3_set_rx_mode(struct net_device *dev)
7092{
7093 struct tg3 *tp = netdev_priv(dev);
7094
f47c11ee 7095 tg3_full_lock(tp, 0);
1da177e4 7096 __tg3_set_rx_mode(dev);
f47c11ee 7097 tg3_full_unlock(tp);
1da177e4
LT		 7098}
7099
7100#define TG3_REGDUMP_LEN (32 * 1024)
7101
7102static int tg3_get_regs_len(struct net_device *dev)
7103{
7104 return TG3_REGDUMP_LEN;
7105}
7106
7107static void tg3_get_regs(struct net_device *dev,
7108 struct ethtool_regs *regs, void *_p)
7109{
7110 u32 *p = _p;
7111 struct tg3 *tp = netdev_priv(dev);
7112 u8 *orig_p = _p;
7113 int i;
7114
7115 regs->version = 0;
7116
7117 memset(p, 0, TG3_REGDUMP_LEN);
7118
f47c11ee 7119 tg3_full_lock(tp, 0);
1da177e4
LT		 7120
7121#define __GET_REG32(reg) (*(p)++ = tr32(reg))
7122#define GET_REG32_LOOP(base,len) \
7123do { p = (u32 *)(orig_p + (base)); \
7124 for (i = 0; i < len; i += 4) \
7125 __GET_REG32((base) + i); \
7126} while (0)
7127#define GET_REG32_1(reg) \
7128do { p = (u32 *)(orig_p + (reg)); \
7129 __GET_REG32((reg)); \
7130} while (0)
7131
7132 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7133 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7134 GET_REG32_LOOP(MAC_MODE, 0x4f0);
7135 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7136 GET_REG32_1(SNDDATAC_MODE);
7137 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7138 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7139 GET_REG32_1(SNDBDC_MODE);
7140 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7141 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7142 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7143 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7144 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7145 GET_REG32_1(RCVDCC_MODE);
7146 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7147 GET_REG32_LOOP(RCVCC_MODE, 0x14);
7148 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7149 GET_REG32_1(MBFREE_MODE);
7150 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7151 GET_REG32_LOOP(MEMARB_MODE, 0x10);
7152 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7153 GET_REG32_LOOP(RDMAC_MODE, 0x08);
7154 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 7155 GET_REG32_1(RX_CPU_MODE);
7156 GET_REG32_1(RX_CPU_STATE);
7157 GET_REG32_1(RX_CPU_PGMCTR);
7158 GET_REG32_1(RX_CPU_HWBKPT);
7159 GET_REG32_1(TX_CPU_MODE);
7160 GET_REG32_1(TX_CPU_STATE);
7161 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 7162 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7163 GET_REG32_LOOP(FTQ_RESET, 0x120);
7164 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7165 GET_REG32_1(DMAC_MODE);
7166 GET_REG32_LOOP(GRC_MODE, 0x4c);
7167 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7168 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7169
7170#undef __GET_REG32
7171#undef GET_REG32_LOOP
7172#undef GET_REG32_1
7173
f47c11ee 7174 tg3_full_unlock(tp);
1da177e4
LT		 7175}
7176
7177static int tg3_get_eeprom_len(struct net_device *dev)
7178{
7179 struct tg3 *tp = netdev_priv(dev);
7180
7181 return tp->nvram_size;
7182}
7183
7184static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7185
7186static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7187{
7188 struct tg3 *tp = netdev_priv(dev);
7189 int ret;
7190 u8 *pd;
7191 u32 i, offset, len, val, b_offset, b_count;
7192
7193 offset = eeprom->offset;
7194 len = eeprom->len;
7195 eeprom->len = 0;
7196
7197 eeprom->magic = TG3_EEPROM_MAGIC;
7198
7199 if (offset & 3) {
7200 /* adjustments to start on required 4 byte boundary */
7201 b_offset = offset & 3;
7202 b_count = 4 - b_offset;
7203 if (b_count > len) {
7204 /* i.e. offset=1 len=2 */
7205 b_count = len;
7206 }
7207 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7208 if (ret)
7209 return ret;
7210 val = cpu_to_le32(val);
7211 memcpy(data, ((char*)&val) + b_offset, b_count);
7212 len -= b_count;
7213 offset += b_count;
7214 eeprom->len += b_count;
7215 }
7216
7217 /* read bytes upto the last 4 byte boundary */
7218 pd = &data[eeprom->len];
7219 for (i = 0; i < (len - (len & 3)); i += 4) {
7220 ret = tg3_nvram_read(tp, offset + i, &val);
7221 if (ret) {
7222 eeprom->len += i;
7223 return ret;
7224 }
7225 val = cpu_to_le32(val);
7226 memcpy(pd + i, &val, 4);
7227 }
7228 eeprom->len += i;
7229
7230 if (len & 3) {
7231 /* read last bytes not ending on 4 byte boundary */
7232 pd = &data[eeprom->len];
7233 b_count = len & 3;
7234 b_offset = offset + len - b_count;
7235 ret = tg3_nvram_read(tp, b_offset, &val);
7236 if (ret)
7237 return ret;
7238 val = cpu_to_le32(val);
7239 memcpy(pd, ((char*)&val), b_count);
7240 eeprom->len += b_count;
7241 }
7242 return 0;
7243}
7244
7245static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7246
7247static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7248{
7249 struct tg3 *tp = netdev_priv(dev);
7250 int ret;
7251 u32 offset, len, b_offset, odd_len, start, end;
7252 u8 *buf;
7253
7254 if (eeprom->magic != TG3_EEPROM_MAGIC)
7255 return -EINVAL;
7256
7257 offset = eeprom->offset;
7258 len = eeprom->len;
7259
7260 if ((b_offset = (offset & 3))) {
7261 /* adjustments to start on required 4 byte boundary */
7262 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7263 if (ret)
7264 return ret;
7265 start = cpu_to_le32(start);
7266 len += b_offset;
7267 offset &= ~3;
1c8594b4
MC		 7268 if (len < 4)
7269 len = 4;
1da177e4
LT		 7270 }
7271
7272 odd_len = 0;
1c8594b4 7273 if (len & 3) {
1da177e4
LT		 7274 /* adjustments to end on required 4 byte boundary */
7275 odd_len = 1;
7276 len = (len + 3) & ~3;
7277 ret = tg3_nvram_read(tp, offset+len-4, &end);
7278 if (ret)
7279 return ret;
7280 end = cpu_to_le32(end);
7281 }
7282
7283 buf = data;
7284 if (b_offset || odd_len) {
7285 buf = kmalloc(len, GFP_KERNEL);
7286 if (buf == 0)
7287 return -ENOMEM;
7288 if (b_offset)
7289 memcpy(buf, &start, 4);
7290 if (odd_len)
7291 memcpy(buf+len-4, &end, 4);
7292 memcpy(buf + b_offset, data, eeprom->len);
7293 }
7294
7295 ret = tg3_nvram_write_block(tp, offset, len, buf);
7296
7297 if (buf != data)
7298 kfree(buf);
7299
7300 return ret;
7301}
7302
7303static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7304{
7305 struct tg3 *tp = netdev_priv(dev);
7306
7307 cmd->supported = (SUPPORTED_Autoneg);
7308
7309 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7310 cmd->supported |= (SUPPORTED_1000baseT_Half |
7311 SUPPORTED_1000baseT_Full);
7312
a4e2b347 7313 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 7314 cmd->supported |= (SUPPORTED_100baseT_Half |
7315 SUPPORTED_100baseT_Full |
7316 SUPPORTED_10baseT_Half |
7317 SUPPORTED_10baseT_Full |
7318 SUPPORTED_MII);
7319 else
7320 cmd->supported |= SUPPORTED_FIBRE;
7321
7322 cmd->advertising = tp->link_config.advertising;
7323 if (netif_running(dev)) {
7324 cmd->speed = tp->link_config.active_speed;
7325 cmd->duplex = tp->link_config.active_duplex;
7326 }
7327 cmd->port = 0;
7328 cmd->phy_address = PHY_ADDR;
7329 cmd->transceiver = 0;
7330 cmd->autoneg = tp->link_config.autoneg;
7331 cmd->maxtxpkt = 0;
7332 cmd->maxrxpkt = 0;
7333 return 0;
7334}
7335
7336static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7337{
7338 struct tg3 *tp = netdev_priv(dev);
7339
37ff238d 7340 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
1da177e4
LT		 7341 /* These are the only valid advertisement bits allowed. */
7342 if (cmd->autoneg == AUTONEG_ENABLE &&
7343 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7344 ADVERTISED_1000baseT_Full |
7345 ADVERTISED_Autoneg |
7346 ADVERTISED_FIBRE)))
7347 return -EINVAL;
37ff238d
MC		 7348 /* Fiber can only do SPEED_1000. */
7349 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7350 (cmd->speed != SPEED_1000))
7351 return -EINVAL;
7352 /* Copper cannot force SPEED_1000. */
7353 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7354 (cmd->speed == SPEED_1000))
7355 return -EINVAL;
7356 else if ((cmd->speed == SPEED_1000) &&
7357 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7358 return -EINVAL;
1da177e4 7359
f47c11ee 7360 tg3_full_lock(tp, 0);
1da177e4
LT		 7361
7362 tp->link_config.autoneg = cmd->autoneg;
7363 if (cmd->autoneg == AUTONEG_ENABLE) {
7364 tp->link_config.advertising = cmd->advertising;
7365 tp->link_config.speed = SPEED_INVALID;
7366 tp->link_config.duplex = DUPLEX_INVALID;
7367 } else {
7368 tp->link_config.advertising = 0;
7369 tp->link_config.speed = cmd->speed;
7370 tp->link_config.duplex = cmd->duplex;
7371 }
7372
7373 if (netif_running(dev))
7374 tg3_setup_phy(tp, 1);
7375
f47c11ee 7376 tg3_full_unlock(tp);
1da177e4
LT		 7377
7378 return 0;
7379}
7380
7381static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7382{
7383 struct tg3 *tp = netdev_priv(dev);
7384
7385 strcpy(info->driver, DRV_MODULE_NAME);
7386 strcpy(info->version, DRV_MODULE_VERSION);
7387 strcpy(info->bus_info, pci_name(tp->pdev));
7388}
7389
7390static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7391{
7392 struct tg3 *tp = netdev_priv(dev);
7393
7394 wol->supported = WAKE_MAGIC;
7395 wol->wolopts = 0;
7396 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
7397 wol->wolopts = WAKE_MAGIC;
7398 memset(&wol->sopass, 0, sizeof(wol->sopass));
7399}
7400
7401static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7402{
7403 struct tg3 *tp = netdev_priv(dev);
7404
7405 if (wol->wolopts & ~WAKE_MAGIC)
7406 return -EINVAL;
7407 if ((wol->wolopts & WAKE_MAGIC) &&
7408 tp->tg3_flags2 & TG3_FLG2_PHY_SERDES &&
7409 !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
7410 return -EINVAL;
7411
f47c11ee 7412 spin_lock_bh(&tp->lock);
1da177e4
LT		 7413 if (wol->wolopts & WAKE_MAGIC)
7414 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
7415 else
7416 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
f47c11ee 7417 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7418
7419 return 0;
7420}
7421
7422static u32 tg3_get_msglevel(struct net_device *dev)
7423{
7424 struct tg3 *tp = netdev_priv(dev);
7425 return tp->msg_enable;
7426}
7427
7428static void tg3_set_msglevel(struct net_device *dev, u32 value)
7429{
7430 struct tg3 *tp = netdev_priv(dev);
7431 tp->msg_enable = value;
7432}
7433
7434#if TG3_TSO_SUPPORT != 0
7435static int tg3_set_tso(struct net_device *dev, u32 value)
7436{
7437 struct tg3 *tp = netdev_priv(dev);
7438
7439 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7440 if (value)
7441 return -EINVAL;
7442 return 0;
7443 }
7444 return ethtool_op_set_tso(dev, value);
7445}
7446#endif
7447
7448static int tg3_nway_reset(struct net_device *dev)
7449{
7450 struct tg3 *tp = netdev_priv(dev);
7451 u32 bmcr;
7452 int r;
7453
7454 if (!netif_running(dev))
7455 return -EAGAIN;
7456
c94e3941
MC		 7457 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
7458 return -EINVAL;
7459
f47c11ee 7460 spin_lock_bh(&tp->lock);
1da177e4
LT		 7461 r = -EINVAL;
7462 tg3_readphy(tp, MII_BMCR, &bmcr);
7463 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
c94e3941
MC		 7464 ((bmcr & BMCR_ANENABLE) ||
7465 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
7466 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
7467 BMCR_ANENABLE);
1da177e4
LT		 7468 r = 0;
7469 }
f47c11ee 7470 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7471
7472 return r;
7473}
7474
7475static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7476{
7477 struct tg3 *tp = netdev_priv(dev);
7478
7479 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
7480 ering->rx_mini_max_pending = 0;
7481 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
7482
7483 ering->rx_pending = tp->rx_pending;
7484 ering->rx_mini_pending = 0;
7485 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
7486 ering->tx_pending = tp->tx_pending;
7487}
7488
7489static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7490{
7491 struct tg3 *tp = netdev_priv(dev);
bbe832c0 7492 int irq_sync = 0;
1da177e4
LT		 7493
7494 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
7495 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
7496 (ering->tx_pending > TG3_TX_RING_SIZE - 1))
7497 return -EINVAL;
7498
bbe832c0 7499 if (netif_running(dev)) {
1da177e4 7500 tg3_netif_stop(tp);
bbe832c0
MC		 7501 irq_sync = 1;
7502 }
1da177e4 7503
bbe832c0 7504 tg3_full_lock(tp, irq_sync);
1da177e4
LT		 7505
7506 tp->rx_pending = ering->rx_pending;
7507
7508 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
7509 tp->rx_pending > 63)
7510 tp->rx_pending = 63;
7511 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
7512 tp->tx_pending = ering->tx_pending;
7513
7514 if (netif_running(dev)) {
944d980e 7515 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7516 tg3_init_hw(tp);
7517 tg3_netif_start(tp);
7518 }
7519
f47c11ee 7520 tg3_full_unlock(tp);
1da177e4
LT		 7521
7522 return 0;
7523}
7524
7525static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7526{
7527 struct tg3 *tp = netdev_priv(dev);
7528
7529 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
7530 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
7531 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
7532}
7533
7534static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7535{
7536 struct tg3 *tp = netdev_priv(dev);
bbe832c0 7537 int irq_sync = 0;
1da177e4 7538
bbe832c0 7539 if (netif_running(dev)) {
1da177e4 7540 tg3_netif_stop(tp);
bbe832c0
MC		 7541 irq_sync = 1;
7542 }
1da177e4 7543
bbe832c0 7544 tg3_full_lock(tp, irq_sync);
f47c11ee 7545
1da177e4
LT		 7546 if (epause->autoneg)
7547 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
7548 else
7549 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
7550 if (epause->rx_pause)
7551 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
7552 else
7553 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
7554 if (epause->tx_pause)
7555 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
7556 else
7557 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
7558
7559 if (netif_running(dev)) {
944d980e 7560 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7561 tg3_init_hw(tp);
7562 tg3_netif_start(tp);
7563 }
f47c11ee
DM		 7564
7565 tg3_full_unlock(tp);
1da177e4
LT		 7566
7567 return 0;
7568}
7569
7570static u32 tg3_get_rx_csum(struct net_device *dev)
7571{
7572 struct tg3 *tp = netdev_priv(dev);
7573 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
7574}
7575
7576static int tg3_set_rx_csum(struct net_device *dev, u32 data)
7577{
7578 struct tg3 *tp = netdev_priv(dev);
7579
7580 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
7581 if (data != 0)
7582 return -EINVAL;
7583 return 0;
7584 }
7585
f47c11ee 7586 spin_lock_bh(&tp->lock);
1da177e4
LT		 7587 if (data)
7588 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
7589 else
7590 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 7591 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7592
7593 return 0;
7594}
7595
7596static int tg3_set_tx_csum(struct net_device *dev, u32 data)
7597{
7598 struct tg3 *tp = netdev_priv(dev);
7599
7600 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
7601 if (data != 0)
7602 return -EINVAL;
7603 return 0;
7604 }
7605
7606 if (data)
7607 dev->features |= NETIF_F_IP_CSUM;
7608 else
7609 dev->features &= ~NETIF_F_IP_CSUM;
7610
7611 return 0;
7612}
7613
7614static int tg3_get_stats_count (struct net_device *dev)
7615{
7616 return TG3_NUM_STATS;
7617}
7618
4cafd3f5
MC		 7619static int tg3_get_test_count (struct net_device *dev)
7620{
7621 return TG3_NUM_TEST;
7622}
7623
1da177e4
LT		 7624static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
7625{
7626 switch (stringset) {
7627 case ETH_SS_STATS:
7628 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
7629 break;
4cafd3f5
MC		 7630 case ETH_SS_TEST:
7631 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
7632 break;
1da177e4
LT		 7633 default:
7634 WARN_ON(1); /* we need a WARN() */
7635 break;
7636 }
7637}
7638
4009a93d
MC		 7639static int tg3_phys_id(struct net_device *dev, u32 data)
7640{
7641 struct tg3 *tp = netdev_priv(dev);
7642 int i;
7643
7644 if (!netif_running(tp->dev))
7645 return -EAGAIN;
7646
7647 if (data == 0)
7648 data = 2;
7649
7650 for (i = 0; i < (data * 2); i++) {
7651 if ((i % 2) == 0)
7652 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
7653 LED_CTRL_1000MBPS_ON |
7654 LED_CTRL_100MBPS_ON |
7655 LED_CTRL_10MBPS_ON |
7656 LED_CTRL_TRAFFIC_OVERRIDE |
7657 LED_CTRL_TRAFFIC_BLINK |
7658 LED_CTRL_TRAFFIC_LED);
7659
7660 else
7661 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
7662 LED_CTRL_TRAFFIC_OVERRIDE);
7663
7664 if (msleep_interruptible(500))
7665 break;
7666 }
7667 tw32(MAC_LED_CTRL, tp->led_ctrl);
7668 return 0;
7669}
7670
1da177e4
LT		 7671static void tg3_get_ethtool_stats (struct net_device *dev,
7672 struct ethtool_stats *estats, u64 *tmp_stats)
7673{
7674 struct tg3 *tp = netdev_priv(dev);
7675 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
7676}
7677
566f86ad
MC		 7678#define NVRAM_TEST_SIZE 0x100
7679
7680static int tg3_test_nvram(struct tg3 *tp)
7681{
7682 u32 *buf, csum;
7683 int i, j, err = 0;
7684
7685 buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
7686 if (buf == NULL)
7687 return -ENOMEM;
7688
7689 for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
7690 u32 val;
7691
7692 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
7693 break;
7694 buf[j] = cpu_to_le32(val);
7695 }
7696 if (i < NVRAM_TEST_SIZE)
7697 goto out;
7698
7699 err = -EIO;
7700 if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
7701 goto out;
7702
7703 /* Bootstrap checksum at offset 0x10 */
7704 csum = calc_crc((unsigned char *) buf, 0x10);
7705 if(csum != cpu_to_le32(buf[0x10/4]))
7706 goto out;
7707
7708 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
7709 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
7710 if (csum != cpu_to_le32(buf[0xfc/4]))
7711 goto out;
7712
7713 err = 0;
7714
7715out:
7716 kfree(buf);
7717 return err;
7718}
7719
ca43007a
MC		 7720#define TG3_SERDES_TIMEOUT_SEC 2
7721#define TG3_COPPER_TIMEOUT_SEC 6
7722
7723static int tg3_test_link(struct tg3 *tp)
7724{
7725 int i, max;
7726
7727 if (!netif_running(tp->dev))
7728 return -ENODEV;
7729
4c987487 7730 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 7731 max = TG3_SERDES_TIMEOUT_SEC;
7732 else
7733 max = TG3_COPPER_TIMEOUT_SEC;
7734
7735 for (i = 0; i < max; i++) {
7736 if (netif_carrier_ok(tp->dev))
7737 return 0;
7738
7739 if (msleep_interruptible(1000))
7740 break;
7741 }
7742
7743 return -EIO;
7744}
7745
a71116d1
MC		 7746/* Only test the commonly used registers */
7747static int tg3_test_registers(struct tg3 *tp)
7748{
7749 int i, is_5705;
7750 u32 offset, read_mask, write_mask, val, save_val, read_val;
7751 static struct {
7752 u16 offset;
7753 u16 flags;
7754#define TG3_FL_5705 0x1
7755#define TG3_FL_NOT_5705 0x2
7756#define TG3_FL_NOT_5788 0x4
7757 u32 read_mask;
7758 u32 write_mask;
7759 } reg_tbl[] = {
7760 /* MAC Control Registers */
7761 { MAC_MODE, TG3_FL_NOT_5705,
7762 0x00000000, 0x00ef6f8c },
7763 { MAC_MODE, TG3_FL_5705,
7764 0x00000000, 0x01ef6b8c },
7765 { MAC_STATUS, TG3_FL_NOT_5705,
7766 0x03800107, 0x00000000 },
7767 { MAC_STATUS, TG3_FL_5705,
7768 0x03800100, 0x00000000 },
7769 { MAC_ADDR_0_HIGH, 0x0000,
7770 0x00000000, 0x0000ffff },
7771 { MAC_ADDR_0_LOW, 0x0000,
7772 0x00000000, 0xffffffff },
7773 { MAC_RX_MTU_SIZE, 0x0000,
7774 0x00000000, 0x0000ffff },
7775 { MAC_TX_MODE, 0x0000,
7776 0x00000000, 0x00000070 },
7777 { MAC_TX_LENGTHS, 0x0000,
7778 0x00000000, 0x00003fff },
7779 { MAC_RX_MODE, TG3_FL_NOT_5705,
7780 0x00000000, 0x000007fc },
7781 { MAC_RX_MODE, TG3_FL_5705,
7782 0x00000000, 0x000007dc },
7783 { MAC_HASH_REG_0, 0x0000,
7784 0x00000000, 0xffffffff },
7785 { MAC_HASH_REG_1, 0x0000,
7786 0x00000000, 0xffffffff },
7787 { MAC_HASH_REG_2, 0x0000,
7788 0x00000000, 0xffffffff },
7789 { MAC_HASH_REG_3, 0x0000,
7790 0x00000000, 0xffffffff },
7791
7792 /* Receive Data and Receive BD Initiator Control Registers. */
7793 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
7794 0x00000000, 0xffffffff },
7795 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
7796 0x00000000, 0xffffffff },
7797 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
7798 0x00000000, 0x00000003 },
7799 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
7800 0x00000000, 0xffffffff },
7801 { RCVDBDI_STD_BD+0, 0x0000,
7802 0x00000000, 0xffffffff },
7803 { RCVDBDI_STD_BD+4, 0x0000,
7804 0x00000000, 0xffffffff },
7805 { RCVDBDI_STD_BD+8, 0x0000,
7806 0x00000000, 0xffff0002 },
7807 { RCVDBDI_STD_BD+0xc, 0x0000,
7808 0x00000000, 0xffffffff },
7809
7810 /* Receive BD Initiator Control Registers. */
7811 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
7812 0x00000000, 0xffffffff },
7813 { RCVBDI_STD_THRESH, TG3_FL_5705,
7814 0x00000000, 0x000003ff },
7815 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
7816 0x00000000, 0xffffffff },
7817
7818 /* Host Coalescing Control Registers. */
7819 { HOSTCC_MODE, TG3_FL_NOT_5705,
7820 0x00000000, 0x00000004 },
7821 { HOSTCC_MODE, TG3_FL_5705,
7822 0x00000000, 0x000000f6 },
7823 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
7824 0x00000000, 0xffffffff },
7825 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
7826 0x00000000, 0x000003ff },
7827 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
7828 0x00000000, 0xffffffff },
7829 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
7830 0x00000000, 0x000003ff },
7831 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
7832 0x00000000, 0xffffffff },
7833 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
7834 0x00000000, 0x000000ff },
7835 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
7836 0x00000000, 0xffffffff },
7837 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
7838 0x00000000, 0x000000ff },
7839 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
7840 0x00000000, 0xffffffff },
7841 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
7842 0x00000000, 0xffffffff },
7843 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
7844 0x00000000, 0xffffffff },
7845 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
7846 0x00000000, 0x000000ff },
7847 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
7848 0x00000000, 0xffffffff },
7849 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
7850 0x00000000, 0x000000ff },
7851 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
7852 0x00000000, 0xffffffff },
7853 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
7854 0x00000000, 0xffffffff },
7855 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
7856 0x00000000, 0xffffffff },
7857 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
7858 0x00000000, 0xffffffff },
7859 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
7860 0x00000000, 0xffffffff },
7861 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
7862 0xffffffff, 0x00000000 },
7863 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
7864 0xffffffff, 0x00000000 },
7865
7866 /* Buffer Manager Control Registers. */
7867 { BUFMGR_MB_POOL_ADDR, 0x0000,
7868 0x00000000, 0x007fff80 },
7869 { BUFMGR_MB_POOL_SIZE, 0x0000,
7870 0x00000000, 0x007fffff },
7871 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
7872 0x00000000, 0x0000003f },
7873 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
7874 0x00000000, 0x000001ff },
7875 { BUFMGR_MB_HIGH_WATER, 0x0000,
7876 0x00000000, 0x000001ff },
7877 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
7878 0xffffffff, 0x00000000 },
7879 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
7880 0xffffffff, 0x00000000 },
7881
7882 /* Mailbox Registers */
7883 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
7884 0x00000000, 0x000001ff },
7885 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
7886 0x00000000, 0x000001ff },
7887 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
7888 0x00000000, 0x000007ff },
7889 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
7890 0x00000000, 0x000001ff },
7891
7892 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
7893 };
7894
7895 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7896 is_5705 = 1;
7897 else
7898 is_5705 = 0;
7899
7900 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
7901 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
7902 continue;
7903
7904 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
7905 continue;
7906
7907 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7908 (reg_tbl[i].flags & TG3_FL_NOT_5788))
7909 continue;
7910
7911 offset = (u32) reg_tbl[i].offset;
7912 read_mask = reg_tbl[i].read_mask;
7913 write_mask = reg_tbl[i].write_mask;
7914
7915 /* Save the original register content */
7916 save_val = tr32(offset);
7917
7918 /* Determine the read-only value. */
7919 read_val = save_val & read_mask;
7920
7921 /* Write zero to the register, then make sure the read-only bits
7922 * are not changed and the read/write bits are all zeros.
7923 */
7924 tw32(offset, 0);
7925
7926 val = tr32(offset);
7927
7928 /* Test the read-only and read/write bits. */
7929 if (((val & read_mask) != read_val) || (val & write_mask))
7930 goto out;
7931
7932 /* Write ones to all the bits defined by RdMask and WrMask, then
7933 * make sure the read-only bits are not changed and the
7934 * read/write bits are all ones.
7935 */
7936 tw32(offset, read_mask | write_mask);
7937
7938 val = tr32(offset);
7939
7940 /* Test the read-only bits. */
7941 if ((val & read_mask) != read_val)
7942 goto out;
7943
7944 /* Test the read/write bits. */
7945 if ((val & write_mask) != write_mask)
7946 goto out;
7947
7948 tw32(offset, save_val);
7949 }
7950
7951 return 0;
7952
7953out:
7954 printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
7955 tw32(offset, save_val);
7956 return -EIO;
7957}
7958
7942e1db
MC		 7959static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
7960{
7961 static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7962 int i;
7963 u32 j;
7964
7965 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
7966 for (j = 0; j < len; j += 4) {
7967 u32 val;
7968
7969 tg3_write_mem(tp, offset + j, test_pattern[i]);
7970 tg3_read_mem(tp, offset + j, &val);
7971 if (val != test_pattern[i])
7972 return -EIO;
7973 }
7974 }
7975 return 0;
7976}
7977
7978static int tg3_test_memory(struct tg3 *tp)
7979{
7980 static struct mem_entry {
7981 u32 offset;
7982 u32 len;
7983 } mem_tbl_570x[] = {
38690194 7984 { 0x00000000, 0x00b50},
7942e1db
MC		 7985 { 0x00002000, 0x1c000},
7986 { 0xffffffff, 0x00000}
7987 }, mem_tbl_5705[] = {
7988 { 0x00000100, 0x0000c},
7989 { 0x00000200, 0x00008},
7942e1db
MC		 7990 { 0x00004000, 0x00800},
7991 { 0x00006000, 0x01000},
7992 { 0x00008000, 0x02000},
7993 { 0x00010000, 0x0e000},
7994 { 0xffffffff, 0x00000}
7995 };
7996 struct mem_entry *mem_tbl;
7997 int err = 0;
7998 int i;
7999
8000 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8001 mem_tbl = mem_tbl_5705;
8002 else
8003 mem_tbl = mem_tbl_570x;
8004
8005 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8006 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8007 mem_tbl[i].len)) != 0)
8008 break;
8009 }
8010
8011 return err;
8012}
8013
9f40dead
MC		 8014#define TG3_MAC_LOOPBACK 0
8015#define TG3_PHY_LOOPBACK 1
8016
8017static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 8018{
9f40dead 8019 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
c76949a6
MC		 8020 u32 desc_idx;
8021 struct sk_buff *skb, *rx_skb;
8022 u8 *tx_data;
8023 dma_addr_t map;
8024 int num_pkts, tx_len, rx_len, i, err;
8025 struct tg3_rx_buffer_desc *desc;
8026
9f40dead 8027 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 8028 /* HW errata - mac loopback fails in some cases on 5780.
8029 * Normal traffic and PHY loopback are not affected by
8030 * errata.
8031 */
8032 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8033 return 0;
8034
9f40dead
MC		 8035 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8036 MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY |
8037 MAC_MODE_PORT_MODE_GMII;
8038 tw32(MAC_MODE, mac_mode);
8039 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
c94e3941
MC		 8040 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
8041 BMCR_SPEED1000);
8042 udelay(40);
8043 /* reset to prevent losing 1st rx packet intermittently */
8044 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8045 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8046 udelay(10);
8047 tw32_f(MAC_RX_MODE, tp->rx_mode);
8048 }
9f40dead
MC		 8049 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8050 MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII;
8051 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
8052 mac_mode &= ~MAC_MODE_LINK_POLARITY;
8053 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 8054 }
8055 else
8056 return -EINVAL;
c76949a6
MC		 8057
8058 err = -EIO;
8059
c76949a6
MC		 8060 tx_len = 1514;
8061 skb = dev_alloc_skb(tx_len);
8062 tx_data = skb_put(skb, tx_len);
8063 memcpy(tx_data, tp->dev->dev_addr, 6);
8064 memset(tx_data + 6, 0x0, 8);
8065
8066 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8067
8068 for (i = 14; i < tx_len; i++)
8069 tx_data[i] = (u8) (i & 0xff);
8070
8071 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8072
8073 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8074 HOSTCC_MODE_NOW);
8075
8076 udelay(10);
8077
8078 rx_start_idx = tp->hw_status->idx[0].rx_producer;
8079
c76949a6
MC		 8080 num_pkts = 0;
8081
9f40dead 8082 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
c76949a6 8083
9f40dead 8084 tp->tx_prod++;
c76949a6
MC		 8085 num_pkts++;
8086
9f40dead
MC		 8087 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8088 tp->tx_prod);
09ee929c 8089 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
c76949a6
MC		 8090
8091 udelay(10);
8092
8093 for (i = 0; i < 10; i++) {
8094 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8095 HOSTCC_MODE_NOW);
8096
8097 udelay(10);
8098
8099 tx_idx = tp->hw_status->idx[0].tx_consumer;
8100 rx_idx = tp->hw_status->idx[0].rx_producer;
9f40dead 8101 if ((tx_idx == tp->tx_prod) &&
c76949a6
MC		 8102 (rx_idx == (rx_start_idx + num_pkts)))
8103 break;
8104 }
8105
8106 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8107 dev_kfree_skb(skb);
8108
9f40dead 8109 if (tx_idx != tp->tx_prod)
c76949a6
MC		 8110 goto out;
8111
8112 if (rx_idx != rx_start_idx + num_pkts)
8113 goto out;
8114
8115 desc = &tp->rx_rcb[rx_start_idx];
8116 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8117 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8118 if (opaque_key != RXD_OPAQUE_RING_STD)
8119 goto out;
8120
8121 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8122 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8123 goto out;
8124
8125 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8126 if (rx_len != tx_len)
8127 goto out;
8128
8129 rx_skb = tp->rx_std_buffers[desc_idx].skb;
8130
8131 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8132 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8133
8134 for (i = 14; i < tx_len; i++) {
8135 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8136 goto out;
8137 }
8138 err = 0;
8139
8140 /* tg3_free_rings will unmap and free the rx_skb */
8141out:
8142 return err;
8143}
8144
9f40dead
MC		 8145#define TG3_MAC_LOOPBACK_FAILED 1
8146#define TG3_PHY_LOOPBACK_FAILED 2
8147#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
8148 TG3_PHY_LOOPBACK_FAILED)
8149
8150static int tg3_test_loopback(struct tg3 *tp)
8151{
8152 int err = 0;
8153
8154 if (!netif_running(tp->dev))
8155 return TG3_LOOPBACK_FAILED;
8156
8157 tg3_reset_hw(tp);
8158
8159 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8160 err |= TG3_MAC_LOOPBACK_FAILED;
8161 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8162 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8163 err |= TG3_PHY_LOOPBACK_FAILED;
8164 }
8165
8166 return err;
8167}
8168
4cafd3f5
MC		 8169static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8170 u64 *data)
8171{
566f86ad
MC		 8172 struct tg3 *tp = netdev_priv(dev);
8173
8174 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8175
8176 if (tg3_test_nvram(tp) != 0) {
8177 etest->flags |= ETH_TEST_FL_FAILED;
8178 data[0] = 1;
8179 }
ca43007a
MC		 8180 if (tg3_test_link(tp) != 0) {
8181 etest->flags |= ETH_TEST_FL_FAILED;
8182 data[1] = 1;
8183 }
a71116d1 8184 if (etest->flags & ETH_TEST_FL_OFFLINE) {
bbe832c0
MC		 8185 int irq_sync = 0;
8186
8187 if (netif_running(dev)) {
a71116d1 8188 tg3_netif_stop(tp);
bbe832c0
MC		 8189 irq_sync = 1;
8190 }
a71116d1 8191
bbe832c0 8192 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 8193
8194 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
8195 tg3_nvram_lock(tp);
8196 tg3_halt_cpu(tp, RX_CPU_BASE);
8197 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8198 tg3_halt_cpu(tp, TX_CPU_BASE);
8199 tg3_nvram_unlock(tp);
8200
8201 if (tg3_test_registers(tp) != 0) {
8202 etest->flags |= ETH_TEST_FL_FAILED;
8203 data[2] = 1;
8204 }
7942e1db
MC		 8205 if (tg3_test_memory(tp) != 0) {
8206 etest->flags |= ETH_TEST_FL_FAILED;
8207 data[3] = 1;
8208 }
9f40dead 8209 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 8210 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 8211
f47c11ee
DM		 8212 tg3_full_unlock(tp);
8213
d4bc3927
MC		 8214 if (tg3_test_interrupt(tp) != 0) {
8215 etest->flags |= ETH_TEST_FL_FAILED;
8216 data[5] = 1;
8217 }
f47c11ee
DM		 8218
8219 tg3_full_lock(tp, 0);
d4bc3927 8220
a71116d1
MC		 8221 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8222 if (netif_running(dev)) {
8223 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8224 tg3_init_hw(tp);
8225 tg3_netif_start(tp);
8226 }
f47c11ee
DM		 8227
8228 tg3_full_unlock(tp);
a71116d1 8229 }
4cafd3f5
MC		 8230}
8231
1da177e4
LT		 8232static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8233{
8234 struct mii_ioctl_data *data = if_mii(ifr);
8235 struct tg3 *tp = netdev_priv(dev);
8236 int err;
8237
8238 switch(cmd) {
8239 case SIOCGMIIPHY:
8240 data->phy_id = PHY_ADDR;
8241
8242 /* fallthru */
8243 case SIOCGMIIREG: {
8244 u32 mii_regval;
8245
8246 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8247 break; /* We have no PHY */
8248
f47c11ee 8249 spin_lock_bh(&tp->lock);
1da177e4 8250 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 8251 spin_unlock_bh(&tp->lock);
1da177e4
LT		 8252
8253 data->val_out = mii_regval;
8254
8255 return err;
8256 }
8257
8258 case SIOCSMIIREG:
8259 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8260 break; /* We have no PHY */
8261
8262 if (!capable(CAP_NET_ADMIN))
8263 return -EPERM;
8264
f47c11ee 8265 spin_lock_bh(&tp->lock);
1da177e4 8266 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 8267 spin_unlock_bh(&tp->lock);
1da177e4
LT		 8268
8269 return err;
8270
8271 default:
8272 /* do nothing */
8273 break;
8274 }
8275 return -EOPNOTSUPP;
8276}
8277
8278#if TG3_VLAN_TAG_USED
8279static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
8280{
8281 struct tg3 *tp = netdev_priv(dev);
8282
f47c11ee 8283 tg3_full_lock(tp, 0);
1da177e4
LT		 8284
8285 tp->vlgrp = grp;
8286
8287 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
8288 __tg3_set_rx_mode(dev);
8289
f47c11ee 8290 tg3_full_unlock(tp);
1da177e4
LT		 8291}
8292
8293static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
8294{
8295 struct tg3 *tp = netdev_priv(dev);
8296
f47c11ee 8297 tg3_full_lock(tp, 0);
1da177e4
LT		 8298 if (tp->vlgrp)
8299 tp->vlgrp->vlan_devices[vid] = NULL;
f47c11ee 8300 tg3_full_unlock(tp);
1da177e4
LT		 8301}
8302#endif
8303
15f9850d
DM		 8304static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
8305{
8306 struct tg3 *tp = netdev_priv(dev);
8307
8308 memcpy(ec, &tp->coal, sizeof(*ec));
8309 return 0;
8310}
8311
d244c892
MC		 8312static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
8313{
8314 struct tg3 *tp = netdev_priv(dev);
8315 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
8316 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
8317
8318 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8319 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
8320 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
8321 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
8322 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
8323 }
8324
8325 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
8326 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
8327 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
8328 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
8329 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
8330 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
8331 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
8332 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
8333 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
8334 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
8335 return -EINVAL;
8336
8337 /* No rx interrupts will be generated if both are zero */
8338 if ((ec->rx_coalesce_usecs == 0) &&
8339 (ec->rx_max_coalesced_frames == 0))
8340 return -EINVAL;
8341
8342 /* No tx interrupts will be generated if both are zero */
8343 if ((ec->tx_coalesce_usecs == 0) &&
8344 (ec->tx_max_coalesced_frames == 0))
8345 return -EINVAL;
8346
8347 /* Only copy relevant parameters, ignore all others. */
8348 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
8349 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
8350 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
8351 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
8352 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
8353 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
8354 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
8355 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
8356 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
8357
8358 if (netif_running(dev)) {
8359 tg3_full_lock(tp, 0);
8360 __tg3_set_coalesce(tp, &tp->coal);
8361 tg3_full_unlock(tp);
8362 }
8363 return 0;
8364}
8365
1da177e4
LT		 8366static struct ethtool_ops tg3_ethtool_ops = {
8367 .get_settings = tg3_get_settings,
8368 .set_settings = tg3_set_settings,
8369 .get_drvinfo = tg3_get_drvinfo,
8370 .get_regs_len = tg3_get_regs_len,
8371 .get_regs = tg3_get_regs,
8372 .get_wol = tg3_get_wol,
8373 .set_wol = tg3_set_wol,
8374 .get_msglevel = tg3_get_msglevel,
8375 .set_msglevel = tg3_set_msglevel,
8376 .nway_reset = tg3_nway_reset,
8377 .get_link = ethtool_op_get_link,
8378 .get_eeprom_len = tg3_get_eeprom_len,
8379 .get_eeprom = tg3_get_eeprom,
8380 .set_eeprom = tg3_set_eeprom,
8381 .get_ringparam = tg3_get_ringparam,
8382 .set_ringparam = tg3_set_ringparam,
8383 .get_pauseparam = tg3_get_pauseparam,
8384 .set_pauseparam = tg3_set_pauseparam,
8385 .get_rx_csum = tg3_get_rx_csum,
8386 .set_rx_csum = tg3_set_rx_csum,
8387 .get_tx_csum = ethtool_op_get_tx_csum,
8388 .set_tx_csum = tg3_set_tx_csum,
8389 .get_sg = ethtool_op_get_sg,
8390 .set_sg = ethtool_op_set_sg,
8391#if TG3_TSO_SUPPORT != 0
8392 .get_tso = ethtool_op_get_tso,
8393 .set_tso = tg3_set_tso,
8394#endif
4cafd3f5
MC		 8395 .self_test_count = tg3_get_test_count,
8396 .self_test = tg3_self_test,
1da177e4 8397 .get_strings = tg3_get_strings,
4009a93d 8398 .phys_id = tg3_phys_id,
1da177e4
LT		 8399 .get_stats_count = tg3_get_stats_count,
8400 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 8401 .get_coalesce = tg3_get_coalesce,
d244c892 8402 .set_coalesce = tg3_set_coalesce,
2ff43697 8403 .get_perm_addr = ethtool_op_get_perm_addr,
1da177e4
LT		 8404};
8405
8406static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
8407{
8408 u32 cursize, val;
8409
8410 tp->nvram_size = EEPROM_CHIP_SIZE;
8411
8412 if (tg3_nvram_read(tp, 0, &val) != 0)
8413 return;
8414
8415 if (swab32(val) != TG3_EEPROM_MAGIC)
8416 return;
8417
8418 /*
8419 * Size the chip by reading offsets at increasing powers of two.
8420 * When we encounter our validation signature, we know the addressing
8421 * has wrapped around, and thus have our chip size.
8422 */
8423 cursize = 0x800;
8424
8425 while (cursize < tp->nvram_size) {
8426 if (tg3_nvram_read(tp, cursize, &val) != 0)
8427 return;
8428
8429 if (swab32(val) == TG3_EEPROM_MAGIC)
8430 break;
8431
8432 cursize <<= 1;
8433 }
8434
8435 tp->nvram_size = cursize;
8436}
8437
8438static void __devinit tg3_get_nvram_size(struct tg3 *tp)
8439{
8440 u32 val;
8441
8442 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
8443 if (val != 0) {
8444 tp->nvram_size = (val >> 16) * 1024;
8445 return;
8446 }
8447 }
8448 tp->nvram_size = 0x20000;
8449}
8450
8451static void __devinit tg3_get_nvram_info(struct tg3 *tp)
8452{
8453 u32 nvcfg1;
8454
8455 nvcfg1 = tr32(NVRAM_CFG1);
8456 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
8457 tp->tg3_flags2 |= TG3_FLG2_FLASH;
8458 }
8459 else {
8460 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
8461 tw32(NVRAM_CFG1, nvcfg1);
8462 }
8463
4c987487 8464 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 8465 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 8466 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
8467 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
8468 tp->nvram_jedecnum = JEDEC_ATMEL;
8469 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
8470 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8471 break;
8472 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
8473 tp->nvram_jedecnum = JEDEC_ATMEL;
8474 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
8475 break;
8476 case FLASH_VENDOR_ATMEL_EEPROM:
8477 tp->nvram_jedecnum = JEDEC_ATMEL;
8478 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
8479 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8480 break;
8481 case FLASH_VENDOR_ST:
8482 tp->nvram_jedecnum = JEDEC_ST;
8483 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
8484 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8485 break;
8486 case FLASH_VENDOR_SAIFUN:
8487 tp->nvram_jedecnum = JEDEC_SAIFUN;
8488 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
8489 break;
8490 case FLASH_VENDOR_SST_SMALL:
8491 case FLASH_VENDOR_SST_LARGE:
8492 tp->nvram_jedecnum = JEDEC_SST;
8493 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
8494 break;
8495 }
8496 }
8497 else {
8498 tp->nvram_jedecnum = JEDEC_ATMEL;
8499 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
8500 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8501 }
8502}
8503
361b4ac2
MC		 8504static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
8505{
8506 u32 nvcfg1;
8507
8508 nvcfg1 = tr32(NVRAM_CFG1);
8509
e6af301b
MC		 8510 /* NVRAM protection for TPM */
8511 if (nvcfg1 & (1 << 27))
8512 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
8513
361b4ac2
MC		 8514 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8515 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
8516 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
8517 tp->nvram_jedecnum = JEDEC_ATMEL;
8518 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8519 break;
8520 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
8521 tp->nvram_jedecnum = JEDEC_ATMEL;
8522 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8523 tp->tg3_flags2 |= TG3_FLG2_FLASH;
8524 break;
8525 case FLASH_5752VENDOR_ST_M45PE10:
8526 case FLASH_5752VENDOR_ST_M45PE20:
8527 case FLASH_5752VENDOR_ST_M45PE40:
8528 tp->nvram_jedecnum = JEDEC_ST;
8529 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
8530 tp->tg3_flags2 |= TG3_FLG2_FLASH;
8531 break;
8532 }
8533
8534 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
8535 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
8536 case FLASH_5752PAGE_SIZE_256:
8537 tp->nvram_pagesize = 256;
8538 break;
8539 case FLASH_5752PAGE_SIZE_512:
8540 tp->nvram_pagesize = 512;
8541 break;
8542 case FLASH_5752PAGE_SIZE_1K:
8543 tp->nvram_pagesize = 1024;
8544 break;
8545 case FLASH_5752PAGE_SIZE_2K:
8546 tp->nvram_pagesize = 2048;
8547 break;
8548 case FLASH_5752PAGE_SIZE_4K:
8549 tp->nvram_pagesize = 4096;
8550 break;
8551 case FLASH_5752PAGE_SIZE_264:
8552 tp->nvram_pagesize = 264;
8553 break;
8554 }
8555 }
8556 else {
8557 /* For eeprom, set pagesize to maximum eeprom size */
8558 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
8559
8560 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
8561 tw32(NVRAM_CFG1, nvcfg1);
8562 }
8563}
8564
1da177e4
LT		 8565/* Chips other than 5700/5701 use the NVRAM for fetching info. */
8566static void __devinit tg3_nvram_init(struct tg3 *tp)
8567{
8568 int j;
8569
8570 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
8571 return;
8572
8573 tw32_f(GRC_EEPROM_ADDR,
8574 (EEPROM_ADDR_FSM_RESET |
8575 (EEPROM_DEFAULT_CLOCK_PERIOD <<
8576 EEPROM_ADDR_CLKPERD_SHIFT)));
8577
8578 /* XXX schedule_timeout() ... */
8579 for (j = 0; j < 100; j++)
8580 udelay(10);
8581
8582 /* Enable seeprom accesses. */
8583 tw32_f(GRC_LOCAL_CTRL,
8584 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
8585 udelay(100);
8586
8587 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
8588 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
8589 tp->tg3_flags |= TG3_FLAG_NVRAM;
8590
381291b7 8591 tg3_nvram_lock(tp);
e6af301b 8592 tg3_enable_nvram_access(tp);
1da177e4 8593
361b4ac2
MC		 8594 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8595 tg3_get_5752_nvram_info(tp);
8596 else
8597 tg3_get_nvram_info(tp);
8598
1da177e4
LT		 8599 tg3_get_nvram_size(tp);
8600
e6af301b 8601 tg3_disable_nvram_access(tp);
381291b7 8602 tg3_nvram_unlock(tp);
1da177e4
LT		 8603
8604 } else {
8605 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
8606
8607 tg3_get_eeprom_size(tp);
8608 }
8609}
8610
8611static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
8612 u32 offset, u32 *val)
8613{
8614 u32 tmp;
8615 int i;
8616
8617 if (offset > EEPROM_ADDR_ADDR_MASK ||
8618 (offset % 4) != 0)
8619 return -EINVAL;
8620
8621 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
8622 EEPROM_ADDR_DEVID_MASK |
8623 EEPROM_ADDR_READ);
8624 tw32(GRC_EEPROM_ADDR,
8625 tmp |
8626 (0 << EEPROM_ADDR_DEVID_SHIFT) |
8627 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
8628 EEPROM_ADDR_ADDR_MASK) |
8629 EEPROM_ADDR_READ | EEPROM_ADDR_START);
8630
8631 for (i = 0; i < 10000; i++) {
8632 tmp = tr32(GRC_EEPROM_ADDR);
8633
8634 if (tmp & EEPROM_ADDR_COMPLETE)
8635 break;
8636 udelay(100);
8637 }
8638 if (!(tmp & EEPROM_ADDR_COMPLETE))
8639 return -EBUSY;
8640
8641 *val = tr32(GRC_EEPROM_DATA);
8642 return 0;
8643}
8644
8645#define NVRAM_CMD_TIMEOUT 10000
8646
8647static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
8648{
8649 int i;
8650
8651 tw32(NVRAM_CMD, nvram_cmd);
8652 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
8653 udelay(10);
8654 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
8655 udelay(10);
8656 break;
8657 }
8658 }
8659 if (i == NVRAM_CMD_TIMEOUT) {
8660 return -EBUSY;
8661 }
8662 return 0;
8663}
8664
8665static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
8666{
8667 int ret;
8668
8669 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
8670 printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n");
8671 return -EINVAL;
8672 }
8673
8674 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
8675 return tg3_nvram_read_using_eeprom(tp, offset, val);
8676
8677 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
8678 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
8679 (tp->nvram_jedecnum == JEDEC_ATMEL)) {
8680
8681 offset = ((offset / tp->nvram_pagesize) <<
8682 ATMEL_AT45DB0X1B_PAGE_POS) +
8683 (offset % tp->nvram_pagesize);
8684 }
8685
8686 if (offset > NVRAM_ADDR_MSK)
8687 return -EINVAL;
8688
8689 tg3_nvram_lock(tp);
8690
e6af301b 8691 tg3_enable_nvram_access(tp);
1da177e4
LT		 8692
8693 tw32(NVRAM_ADDR, offset);
8694 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
8695 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
8696
8697 if (ret == 0)
8698 *val = swab32(tr32(NVRAM_RDDATA));
8699
e6af301b 8700 tg3_disable_nvram_access(tp);
1da177e4 8701
381291b7
MC		 8702 tg3_nvram_unlock(tp);
8703
1da177e4
LT		 8704 return ret;
8705}
8706
8707static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
8708 u32 offset, u32 len, u8 *buf)
8709{
8710 int i, j, rc = 0;
8711 u32 val;
8712
8713 for (i = 0; i < len; i += 4) {
8714 u32 addr, data;
8715
8716 addr = offset + i;
8717
8718 memcpy(&data, buf + i, 4);
8719
8720 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
8721
8722 val = tr32(GRC_EEPROM_ADDR);
8723 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
8724
8725 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
8726 EEPROM_ADDR_READ);
8727 tw32(GRC_EEPROM_ADDR, val |
8728 (0 << EEPROM_ADDR_DEVID_SHIFT) |
8729 (addr & EEPROM_ADDR_ADDR_MASK) |
8730 EEPROM_ADDR_START |
8731 EEPROM_ADDR_WRITE);
8732
8733 for (j = 0; j < 10000; j++) {
8734 val = tr32(GRC_EEPROM_ADDR);
8735
8736 if (val & EEPROM_ADDR_COMPLETE)
8737 break;
8738 udelay(100);
8739 }
8740 if (!(val & EEPROM_ADDR_COMPLETE)) {
8741 rc = -EBUSY;
8742 break;
8743 }
8744 }
8745
8746 return rc;
8747}
8748
8749/* offset and length are dword aligned */
8750static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
8751 u8 *buf)
8752{
8753 int ret = 0;
8754 u32 pagesize = tp->nvram_pagesize;
8755 u32 pagemask = pagesize - 1;
8756 u32 nvram_cmd;
8757 u8 *tmp;
8758
8759 tmp = kmalloc(pagesize, GFP_KERNEL);
8760 if (tmp == NULL)
8761 return -ENOMEM;
8762
8763 while (len) {
8764 int j;
e6af301b 8765 u32 phy_addr, page_off, size;
1da177e4
LT		 8766
8767 phy_addr = offset & ~pagemask;
8768
8769 for (j = 0; j < pagesize; j += 4) {
8770 if ((ret = tg3_nvram_read(tp, phy_addr + j,
8771 (u32 *) (tmp + j))))
8772 break;
8773 }
8774 if (ret)
8775 break;
8776
8777 page_off = offset & pagemask;
8778 size = pagesize;
8779 if (len < size)
8780 size = len;
8781
8782 len -= size;
8783
8784 memcpy(tmp + page_off, buf, size);
8785
8786 offset = offset + (pagesize - page_off);
8787
381291b7
MC		 8788 /* Nvram lock released by tg3_nvram_read() above,
8789 * so need to get it again.
8790 */
8791 tg3_nvram_lock(tp);
e6af301b 8792 tg3_enable_nvram_access(tp);
1da177e4
LT		 8793
8794 /*
8795 * Before we can erase the flash page, we need
8796 * to issue a special "write enable" command.
8797 */
8798 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
8799
8800 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
8801 break;
8802
8803 /* Erase the target page */
8804 tw32(NVRAM_ADDR, phy_addr);
8805
8806 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
8807 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
8808
8809 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
8810 break;
8811
8812 /* Issue another write enable to start the write. */
8813 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
8814
8815 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
8816 break;
8817
8818 for (j = 0; j < pagesize; j += 4) {
8819 u32 data;
8820
8821 data = *((u32 *) (tmp + j));
8822 tw32(NVRAM_WRDATA, cpu_to_be32(data));
8823
8824 tw32(NVRAM_ADDR, phy_addr + j);
8825
8826 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
8827 NVRAM_CMD_WR;
8828
8829 if (j == 0)
8830 nvram_cmd |= NVRAM_CMD_FIRST;
8831 else if (j == (pagesize - 4))
8832 nvram_cmd |= NVRAM_CMD_LAST;
8833
8834 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
8835 break;
8836 }
8837 if (ret)
8838 break;
8839 }
8840
8841 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
8842 tg3_nvram_exec_cmd(tp, nvram_cmd);
8843
8844 kfree(tmp);
8845
8846 return ret;
8847}
8848
8849/* offset and length are dword aligned */
8850static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
8851 u8 *buf)
8852{
8853 int i, ret = 0;
8854
8855 for (i = 0; i < len; i += 4, offset += 4) {
8856 u32 data, page_off, phy_addr, nvram_cmd;
8857
8858 memcpy(&data, buf + i, 4);
8859 tw32(NVRAM_WRDATA, cpu_to_be32(data));
8860
8861 page_off = offset % tp->nvram_pagesize;
8862
8863 if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
8864 (tp->nvram_jedecnum == JEDEC_ATMEL)) {
8865
8866 phy_addr = ((offset / tp->nvram_pagesize) <<
8867 ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
8868 }
8869 else {
8870 phy_addr = offset;
8871 }
8872
8873 tw32(NVRAM_ADDR, phy_addr);
8874
8875 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
8876
8877 if ((page_off == 0) || (i == 0))
8878 nvram_cmd |= NVRAM_CMD_FIRST;
8879 else if (page_off == (tp->nvram_pagesize - 4))
8880 nvram_cmd |= NVRAM_CMD_LAST;
8881
8882 if (i == (len - 4))
8883 nvram_cmd |= NVRAM_CMD_LAST;
8884
4c987487
MC		 8885 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
8886 (tp->nvram_jedecnum == JEDEC_ST) &&
8887 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 8888
8889 if ((ret = tg3_nvram_exec_cmd(tp,
8890 NVRAM_CMD_WREN | NVRAM_CMD_GO |
8891 NVRAM_CMD_DONE)))
8892
8893 break;
8894 }
8895 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
8896 /* We always do complete word writes to eeprom. */
8897 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
8898 }
8899
8900 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
8901 break;
8902 }
8903 return ret;
8904}
8905
8906/* offset and length are dword aligned */
8907static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
8908{
8909 int ret;
8910
8911 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
8912 printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n");
8913 return -EINVAL;
8914 }
8915
8916 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 8917 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
8918 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 8919 udelay(40);
8920 }
8921
8922 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
8923 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
8924 }
8925 else {
8926 u32 grc_mode;
8927
8928 tg3_nvram_lock(tp);
8929
e6af301b
MC		 8930 tg3_enable_nvram_access(tp);
8931 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
8932 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
1da177e4 8933 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 8934
8935 grc_mode = tr32(GRC_MODE);
8936 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
8937
8938 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
8939 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
8940
8941 ret = tg3_nvram_write_block_buffered(tp, offset, len,
8942 buf);
8943 }
8944 else {
8945 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
8946 buf);
8947 }
8948
8949 grc_mode = tr32(GRC_MODE);
8950 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
8951
e6af301b 8952 tg3_disable_nvram_access(tp);
1da177e4
LT		 8953 tg3_nvram_unlock(tp);
8954 }
8955
8956 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 8957 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 8958 udelay(40);
8959 }
8960
8961 return ret;
8962}
8963
8964struct subsys_tbl_ent {
8965 u16 subsys_vendor, subsys_devid;
8966 u32 phy_id;
8967};
8968
8969static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
8970 /* Broadcom boards. */
8971 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
8972 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
8973 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
8974 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
8975 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
8976 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
8977 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
8978 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
8979 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
8980 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
8981 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
8982
8983 /* 3com boards. */
8984 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
8985 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
8986 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
8987 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
8988 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
8989
8990 /* DELL boards. */
8991 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
8992 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
8993 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
8994 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
8995
8996 /* Compaq boards. */
8997 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
8998 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
8999 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
9000 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9001 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9002
9003 /* IBM boards. */
9004 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9005};
9006
9007static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9008{
9009 int i;
9010
9011 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9012 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9013 tp->pdev->subsystem_vendor) &&
9014 (subsys_id_to_phy_id[i].subsys_devid ==
9015 tp->pdev->subsystem_device))
9016 return &subsys_id_to_phy_id[i];
9017 }
9018 return NULL;
9019}
9020
7d0c41ef
MC		 9021/* Since this function may be called in D3-hot power state during
9022 * tg3_init_one(), only config cycles are allowed.
9023 */
9024static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 9025{
1da177e4 9026 u32 val;
7d0c41ef
MC		 9027
9028 /* Make sure register accesses (indirect or otherwise)
9029 * will function correctly.
9030 */
9031 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9032 tp->misc_host_ctrl);
1da177e4
LT		 9033
9034 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 9035 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9036
1da177e4
LT		 9037 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9038 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9039 u32 nic_cfg, led_cfg;
7d0c41ef
MC		 9040 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9041 int eeprom_phy_serdes = 0;
1da177e4
LT		 9042
9043 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9044 tp->nic_sram_data_cfg = nic_cfg;
9045
9046 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9047 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9048 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9049 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9050 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9051 (ver > 0) && (ver < 0x100))
9052 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
9053
1da177e4
LT		 9054 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
9055 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
9056 eeprom_phy_serdes = 1;
9057
9058 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
9059 if (nic_phy_id != 0) {
9060 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
9061 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
9062
9063 eeprom_phy_id = (id1 >> 16) << 10;
9064 eeprom_phy_id |= (id2 & 0xfc00) << 16;
9065 eeprom_phy_id |= (id2 & 0x03ff) << 0;
9066 } else
9067 eeprom_phy_id = 0;
9068
7d0c41ef 9069 tp->phy_id = eeprom_phy_id;
747e8f8b 9070 if (eeprom_phy_serdes) {
a4e2b347 9071 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 9072 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
9073 else
9074 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
9075 }
7d0c41ef 9076
cbf46853 9077 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 9078 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
9079 SHASTA_EXT_LED_MODE_MASK);
cbf46853 9080 else
1da177e4
LT		 9081 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
9082
9083 switch (led_cfg) {
9084 default:
9085 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
9086 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9087 break;
9088
9089 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
9090 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
9091 break;
9092
9093 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
9094 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 9095
9096 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
9097 * read on some older 5700/5701 bootcode.
9098 */
9099 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
9100 ASIC_REV_5700 ||
9101 GET_ASIC_REV(tp->pci_chip_rev_id) ==
9102 ASIC_REV_5701)
9103 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9104
1da177e4
LT		 9105 break;
9106
9107 case SHASTA_EXT_LED_SHARED:
9108 tp->led_ctrl = LED_CTRL_MODE_SHARED;
9109 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
9110 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
9111 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
9112 LED_CTRL_MODE_PHY_2);
9113 break;
9114
9115 case SHASTA_EXT_LED_MAC:
9116 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
9117 break;
9118
9119 case SHASTA_EXT_LED_COMBO:
9120 tp->led_ctrl = LED_CTRL_MODE_COMBO;
9121 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
9122 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
9123 LED_CTRL_MODE_PHY_2);
9124 break;
9125
9126 };
9127
9128 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9129 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
9130 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
9131 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
9132
9133 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9134 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9135 (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
9136 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9137
9138 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
9139 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 9140 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 9141 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
9142 }
9143 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
9144 tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
9145
9146 if (cfg2 & (1 << 17))
9147 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
9148
9149 /* serdes signal pre-emphasis in register 0x590 set by */
9150 /* bootcode if bit 18 is set */
9151 if (cfg2 & (1 << 18))
9152 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
9153 }
7d0c41ef
MC		 9154}
9155
9156static int __devinit tg3_phy_probe(struct tg3 *tp)
9157{
9158 u32 hw_phy_id_1, hw_phy_id_2;
9159 u32 hw_phy_id, hw_phy_id_masked;
9160 int err;
1da177e4
LT		 9161
9162 /* Reading the PHY ID register can conflict with ASF
9163 * firwmare access to the PHY hardware.
9164 */
9165 err = 0;
9166 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
9167 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
9168 } else {
9169 /* Now read the physical PHY_ID from the chip and verify
9170 * that it is sane. If it doesn't look good, we fall back
9171 * to either the hard-coded table based PHY_ID and failing
9172 * that the value found in the eeprom area.
9173 */
9174 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
9175 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
9176
9177 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
9178 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
9179 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
9180
9181 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
9182 }
9183
9184 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
9185 tp->phy_id = hw_phy_id;
9186 if (hw_phy_id_masked == PHY_ID_BCM8002)
9187 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 9188 else
9189 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 9190 } else {
7d0c41ef
MC		 9191 if (tp->phy_id != PHY_ID_INVALID) {
9192 /* Do nothing, phy ID already set up in
9193 * tg3_get_eeprom_hw_cfg().
9194 */
1da177e4
LT		 9195 } else {
9196 struct subsys_tbl_ent *p;
9197
9198 /* No eeprom signature? Try the hardcoded
9199 * subsys device table.
9200 */
9201 p = lookup_by_subsys(tp);
9202 if (!p)
9203 return -ENODEV;
9204
9205 tp->phy_id = p->phy_id;
9206 if (!tp->phy_id ||
9207 tp->phy_id == PHY_ID_BCM8002)
9208 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
9209 }
9210 }
9211
747e8f8b 9212 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
1da177e4
LT		 9213 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
9214 u32 bmsr, adv_reg, tg3_ctrl;
9215
9216 tg3_readphy(tp, MII_BMSR, &bmsr);
9217 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
9218 (bmsr & BMSR_LSTATUS))
9219 goto skip_phy_reset;
9220
9221 err = tg3_phy_reset(tp);
9222 if (err)
9223 return err;
9224
9225 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
9226 ADVERTISE_100HALF | ADVERTISE_100FULL |
9227 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
9228 tg3_ctrl = 0;
9229 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
9230 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
9231 MII_TG3_CTRL_ADV_1000_FULL);
9232 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
9233 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
9234 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
9235 MII_TG3_CTRL_ENABLE_AS_MASTER);
9236 }
9237
9238 if (!tg3_copper_is_advertising_all(tp)) {
9239 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
9240
9241 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9242 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
9243
9244 tg3_writephy(tp, MII_BMCR,
9245 BMCR_ANENABLE | BMCR_ANRESTART);
9246 }
9247 tg3_phy_set_wirespeed(tp);
9248
9249 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
9250 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9251 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
9252 }
9253
9254skip_phy_reset:
9255 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
9256 err = tg3_init_5401phy_dsp(tp);
9257 if (err)
9258 return err;
9259 }
9260
9261 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
9262 err = tg3_init_5401phy_dsp(tp);
9263 }
9264
747e8f8b 9265 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 9266 tp->link_config.advertising =
9267 (ADVERTISED_1000baseT_Half |
9268 ADVERTISED_1000baseT_Full |
9269 ADVERTISED_Autoneg |
9270 ADVERTISED_FIBRE);
9271 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9272 tp->link_config.advertising &=
9273 ~(ADVERTISED_1000baseT_Half |
9274 ADVERTISED_1000baseT_Full);
9275
9276 return err;
9277}
9278
9279static void __devinit tg3_read_partno(struct tg3 *tp)
9280{
9281 unsigned char vpd_data[256];
9282 int i;
9283
9284 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
9285 /* Sun decided not to put the necessary bits in the
9286 * NVRAM of their onboard tg3 parts :(
9287 */
9288 strcpy(tp->board_part_number, "Sun 570X");
9289 return;
9290 }
9291
9292 for (i = 0; i < 256; i += 4) {
9293 u32 tmp;
9294
9295 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
9296 goto out_not_found;
9297
9298 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
9299 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
9300 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
9301 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
9302 }
9303
9304 /* Now parse and find the part number. */
9305 for (i = 0; i < 256; ) {
9306 unsigned char val = vpd_data[i];
9307 int block_end;
9308
9309 if (val == 0x82 || val == 0x91) {
9310 i = (i + 3 +
9311 (vpd_data[i + 1] +
9312 (vpd_data[i + 2] << 8)));
9313 continue;
9314 }
9315
9316 if (val != 0x90)
9317 goto out_not_found;
9318
9319 block_end = (i + 3 +
9320 (vpd_data[i + 1] +
9321 (vpd_data[i + 2] << 8)));
9322 i += 3;
9323 while (i < block_end) {
9324 if (vpd_data[i + 0] == 'P' &&
9325 vpd_data[i + 1] == 'N') {
9326 int partno_len = vpd_data[i + 2];
9327
9328 if (partno_len > 24)
9329 goto out_not_found;
9330
9331 memcpy(tp->board_part_number,
9332 &vpd_data[i + 3],
9333 partno_len);
9334
9335 /* Success. */
9336 return;
9337 }
9338 }
9339
9340 /* Part number not found. */
9341 goto out_not_found;
9342 }
9343
9344out_not_found:
9345 strcpy(tp->board_part_number, "none");
9346}
9347
9348#ifdef CONFIG_SPARC64
9349static int __devinit tg3_is_sun_570X(struct tg3 *tp)
9350{
9351 struct pci_dev *pdev = tp->pdev;
9352 struct pcidev_cookie *pcp = pdev->sysdata;
9353
9354 if (pcp != NULL) {
9355 int node = pcp->prom_node;
9356 u32 venid;
9357 int err;
9358
9359 err = prom_getproperty(node, "subsystem-vendor-id",
9360 (char *) &venid, sizeof(venid));
9361 if (err == 0 || err == -1)
9362 return 0;
9363 if (venid == PCI_VENDOR_ID_SUN)
9364 return 1;
9365 }
9366 return 0;
9367}
9368#endif
9369
9370static int __devinit tg3_get_invariants(struct tg3 *tp)
9371{
9372 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 9373 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
9374 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
399de50b
MC		 9375 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
9376 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 9377 { },
9378 };
9379 u32 misc_ctrl_reg;
9380 u32 cacheline_sz_reg;
9381 u32 pci_state_reg, grc_misc_cfg;
9382 u32 val;
9383 u16 pci_cmd;
9384 int err;
9385
9386#ifdef CONFIG_SPARC64
9387 if (tg3_is_sun_570X(tp))
9388 tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
9389#endif
9390
1da177e4
LT		 9391 /* Force memory write invalidate off. If we leave it on,
9392 * then on 5700_BX chips we have to enable a workaround.
9393 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
9394 * to match the cacheline size. The Broadcom driver have this
9395 * workaround but turns MWI off all the times so never uses
9396 * it. This seems to suggest that the workaround is insufficient.
9397 */
9398 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
9399 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
9400 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
9401
9402 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
9403 * has the register indirect write enable bit set before
9404 * we try to access any of the MMIO registers. It is also
9405 * critical that the PCI-X hw workaround situation is decided
9406 * before that as well.
9407 */
9408 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9409 &misc_ctrl_reg);
9410
9411 tp->pci_chip_rev_id = (misc_ctrl_reg >>
9412 MISC_HOST_CTRL_CHIPREV_SHIFT);
9413
ff645bec
MC		 9414 /* Wrong chip ID in 5752 A0. This code can be removed later
9415 * as A0 is not in production.
9416 */
9417 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
9418 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
9419
6892914f
MC		 9420 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
9421 * we need to disable memory and use config. cycles
9422 * only to access all registers. The 5702/03 chips
9423 * can mistakenly decode the special cycles from the
9424 * ICH chipsets as memory write cycles, causing corruption
9425 * of register and memory space. Only certain ICH bridges
9426 * will drive special cycles with non-zero data during the
9427 * address phase which can fall within the 5703's address
9428 * range. This is not an ICH bug as the PCI spec allows
9429 * non-zero address during special cycles. However, only
9430 * these ICH bridges are known to drive non-zero addresses
9431 * during special cycles.
9432 *
9433 * Since special cycles do not cross PCI bridges, we only
9434 * enable this workaround if the 5703 is on the secondary
9435 * bus of these ICH bridges.
9436 */
9437 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
9438 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
9439 static struct tg3_dev_id {
9440 u32 vendor;
9441 u32 device;
9442 u32 rev;
9443 } ich_chipsets[] = {
9444 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
9445 PCI_ANY_ID },
9446 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
9447 PCI_ANY_ID },
9448 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
9449 0xa },
9450 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
9451 PCI_ANY_ID },
9452 { },
9453 };
9454 struct tg3_dev_id *pci_id = &ich_chipsets[0];
9455 struct pci_dev *bridge = NULL;
9456
9457 while (pci_id->vendor != 0) {
9458 bridge = pci_get_device(pci_id->vendor, pci_id->device,
9459 bridge);
9460 if (!bridge) {
9461 pci_id++;
9462 continue;
9463 }
9464 if (pci_id->rev != PCI_ANY_ID) {
9465 u8 rev;
9466
9467 pci_read_config_byte(bridge, PCI_REVISION_ID,
9468 &rev);
9469 if (rev > pci_id->rev)
9470 continue;
9471 }
9472 if (bridge->subordinate &&
9473 (bridge->subordinate->number ==
9474 tp->pdev->bus->number)) {
9475
9476 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
9477 pci_dev_put(bridge);
9478 break;
9479 }
9480 }
9481 }
9482
4cf78e4f 9483 /* Find msi capability. */
a4e2b347
MC		 9484 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
9485 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
9486 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4cf78e4f 9487 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 9488 }
4cf78e4f 9489
1da177e4
LT		 9490 /* Initialize misc host control in PCI block. */
9491 tp->misc_host_ctrl |= (misc_ctrl_reg &
9492 MISC_HOST_CTRL_CHIPREV);
9493 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9494 tp->misc_host_ctrl);
9495
9496 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
9497 &cacheline_sz_reg);
9498
9499 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
9500 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
9501 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
9502 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
9503
6708e5cc 9504 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
4cf78e4f 9505 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
a4e2b347 9506 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 9507 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
9508
1b440c56
JL		 9509 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
9510 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
9511 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
9512
bb7064dc 9513 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 9514 tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
9515
0f893dc6
MC		 9516 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
9517 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
9518 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
9519 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
9520
1da177e4
LT		 9521 if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
9522 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
9523
399de50b
MC		 9524 /* If we have an AMD 762 or VIA K8T800 chipset, write
9525 * reordering to the mailbox registers done by the host
9526 * controller can cause major troubles. We read back from
9527 * every mailbox register write to force the writes to be
9528 * posted to the chip in order.
9529 */
9530 if (pci_dev_present(write_reorder_chipsets) &&
9531 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
9532 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
9533
1da177e4
LT		 9534 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
9535 tp->pci_lat_timer < 64) {
9536 tp->pci_lat_timer = 64;
9537
9538 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
9539 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
9540 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
9541 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
9542
9543 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
9544 cacheline_sz_reg);
9545 }
9546
9547 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
9548 &pci_state_reg);
9549
9550 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
9551 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
9552
9553 /* If this is a 5700 BX chipset, and we are in PCI-X
9554 * mode, enable register write workaround.
9555 *
9556 * The workaround is to use indirect register accesses
9557 * for all chip writes not to mailbox registers.
9558 */
9559 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
9560 u32 pm_reg;
9561 u16 pci_cmd;
9562
9563 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
9564
9565 /* The chip can have it's power management PCI config
9566 * space registers clobbered due to this bug.
9567 * So explicitly force the chip into D0 here.
9568 */
9569 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
9570 &pm_reg);
9571 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
9572 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
9573 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
9574 pm_reg);
9575
9576 /* Also, force SERR#/PERR# in PCI command. */
9577 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
9578 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
9579 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
9580 }
9581 }
9582
087fe256
MC		 9583 /* 5700 BX chips need to have their TX producer index mailboxes
9584 * written twice to workaround a bug.
9585 */
9586 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
9587 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
9588
1da177e4
LT		 9589 /* Back to back register writes can cause problems on this chip,
9590 * the workaround is to read back all reg writes except those to
9591 * mailbox regs. See tg3_write_indirect_reg32().
9592 *
9593 * PCI Express 5750_A0 rev chips need this workaround too.
9594 */
9595 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
9596 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
9597 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
9598 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
9599
9600 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
9601 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
9602 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
9603 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
9604
9605 /* Chip-specific fixup from Broadcom driver */
9606 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
9607 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
9608 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
9609 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
9610 }
9611
1ee582d8 9612 /* Default fast path register access methods */
20094930 9613 tp->read32 = tg3_read32;
1ee582d8 9614 tp->write32 = tg3_write32;
09ee929c 9615 tp->read32_mbox = tg3_read32;
20094930 9616 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 9617 tp->write32_tx_mbox = tg3_write32;
9618 tp->write32_rx_mbox = tg3_write32;
9619
9620 /* Various workaround register access methods */
9621 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
9622 tp->write32 = tg3_write_indirect_reg32;
9623 else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
9624 tp->write32 = tg3_write_flush_reg32;
9625
9626 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
9627 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
9628 tp->write32_tx_mbox = tg3_write32_tx_mbox;
9629 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
9630 tp->write32_rx_mbox = tg3_write_flush_reg32;
9631 }
20094930 9632
6892914f
MC		 9633 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
9634 tp->read32 = tg3_read_indirect_reg32;
9635 tp->write32 = tg3_write_indirect_reg32;
9636 tp->read32_mbox = tg3_read_indirect_mbox;
9637 tp->write32_mbox = tg3_write_indirect_mbox;
9638 tp->write32_tx_mbox = tg3_write_indirect_mbox;
9639 tp->write32_rx_mbox = tg3_write_indirect_mbox;
9640
9641 iounmap(tp->regs);
22abe310 9642 tp->regs = NULL;
6892914f
MC		 9643
9644 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
9645 pci_cmd &= ~PCI_COMMAND_MEMORY;
9646 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
9647 }
9648
7d0c41ef
MC		 9649 /* Get eeprom hw config before calling tg3_set_power_state().
9650 * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
9651 * determined before calling tg3_set_power_state() so that
9652 * we know whether or not to switch out of Vaux power.
9653 * When the flag is set, it means that GPIO1 is used for eeprom
9654 * write protect and also implies that it is a LOM where GPIOs
9655 * are not used to switch power.
9656 */
9657 tg3_get_eeprom_hw_cfg(tp);
9658
314fba34
MC		 9659 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
9660 * GPIO1 driven high will bring 5700's external PHY out of reset.
9661 * It is also used as eeprom write protect on LOMs.
9662 */
9663 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
9664 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
9665 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
9666 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
9667 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 9668 /* Unused GPIO3 must be driven as output on 5752 because there
9669 * are no pull-up resistors on unused GPIO pins.
9670 */
9671 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9672 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 9673
1da177e4
LT		 9674 /* Force the chip into D0. */
9675 err = tg3_set_power_state(tp, 0);
9676 if (err) {
9677 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
9678 pci_name(tp->pdev));
9679 return err;
9680 }
9681
9682 /* 5700 B0 chips do not support checksumming correctly due
9683 * to hardware bugs.
9684 */
9685 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
9686 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
9687
9688 /* Pseudo-header checksum is done by hardware logic and not
9689 * the offload processers, so make the chip do the pseudo-
9690 * header checksums on receive. For transmit it is more
9691 * convenient to do the pseudo-header checksum in software
9692 * as Linux does that on transmit for us in all cases.
9693 */
9694 tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
9695 tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
9696
9697 /* Derive initial jumbo mode from MTU assigned in
9698 * ether_setup() via the alloc_etherdev() call
9699 */
0f893dc6 9700 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 9701 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 9702 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 9703
9704 /* Determine WakeOnLan speed to use. */
9705 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9706 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
9707 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
9708 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
9709 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
9710 } else {
9711 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
9712 }
9713
9714 /* A few boards don't want Ethernet@WireSpeed phy feature */
9715 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
9716 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
9717 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b
MC		 9718 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
9719 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 9720 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
9721
9722 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
9723 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
9724 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
9725 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
9726 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
9727
bb7064dc 9728 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
1da177e4
LT		 9729 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
9730
1da177e4 9731 tp->coalesce_mode = 0;
1da177e4
LT		 9732 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
9733 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
9734 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
9735
9736 /* Initialize MAC MI mode, polling disabled. */
9737 tw32_f(MAC_MI_MODE, tp->mi_mode);
9738 udelay(80);
9739
9740 /* Initialize data/descriptor byte/word swapping. */
9741 val = tr32(GRC_MODE);
9742 val &= GRC_MODE_HOST_STACKUP;
9743 tw32(GRC_MODE, val | tp->grc_mode);
9744
9745 tg3_switch_clocks(tp);
9746
9747 /* Clear this out for sanity. */
9748 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
9749
9750 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
9751 &pci_state_reg);
9752 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
9753 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
9754 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
9755
9756 if (chiprevid == CHIPREV_ID_5701_A0 ||
9757 chiprevid == CHIPREV_ID_5701_B0 ||
9758 chiprevid == CHIPREV_ID_5701_B2 ||
9759 chiprevid == CHIPREV_ID_5701_B5) {
9760 void __iomem *sram_base;
9761
9762 /* Write some dummy words into the SRAM status block
9763 * area, see if it reads back correctly. If the return
9764 * value is bad, force enable the PCIX workaround.
9765 */
9766 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
9767
9768 writel(0x00000000, sram_base);
9769 writel(0x00000000, sram_base + 4);
9770 writel(0xffffffff, sram_base + 4);
9771 if (readl(sram_base) != 0x00000000)
9772 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
9773 }
9774 }
9775
9776 udelay(50);
9777 tg3_nvram_init(tp);
9778
9779 grc_misc_cfg = tr32(GRC_MISC_CFG);
9780 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
9781
9782 /* Broadcom's driver says that CIOBE multisplit has a bug */
9783#if 0
9784 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
9785 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
9786 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
9787 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
9788 }
9789#endif
9790 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
9791 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
9792 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
9793 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
9794
fac9b83e
DM		 9795 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9796 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
9797 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
9798 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
9799 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
9800 HOSTCC_MODE_CLRTICK_TXBD);
9801
9802 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
9803 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9804 tp->misc_host_ctrl);
9805 }
9806
1da177e4
LT		 9807 /* these are limited to 10/100 only */
9808 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
9809 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
9810 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
9811 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
9812 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
9813 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
9814 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
9815 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
9816 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
9817 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)))
9818 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
9819
9820 err = tg3_phy_probe(tp);
9821 if (err) {
9822 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
9823 pci_name(tp->pdev), err);
9824 /* ... but do not return immediately ... */
9825 }
9826
9827 tg3_read_partno(tp);
9828
9829 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
9830 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
9831 } else {
9832 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
9833 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
9834 else
9835 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
9836 }
9837
9838 /* 5700 {AX,BX} chips have a broken status block link
9839 * change bit implementation, so we must use the
9840 * status register in those cases.
9841 */
9842 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
9843 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
9844 else
9845 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
9846
9847 /* The led_ctrl is set during tg3_phy_probe, here we might
9848 * have to force the link status polling mechanism based
9849 * upon subsystem IDs.
9850 */
9851 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
9852 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
9853 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
9854 TG3_FLAG_USE_LINKCHG_REG);
9855 }
9856
9857 /* For all SERDES we poll the MAC status register. */
9858 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9859 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
9860 else
9861 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
9862
1da177e4
LT		 9863 /* It seems all chips can get confused if TX buffers
9864 * straddle the 4GB address boundary in some cases.
9865 */
9866 tp->dev->hard_start_xmit = tg3_start_xmit;
9867
9868 tp->rx_offset = 2;
9869 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
9870 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
9871 tp->rx_offset = 0;
9872
9873 /* By default, disable wake-on-lan. User can change this
9874 * using ETHTOOL_SWOL.
9875 */
9876 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9877
9878 return err;
9879}
9880
9881#ifdef CONFIG_SPARC64
9882static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
9883{
9884 struct net_device *dev = tp->dev;
9885 struct pci_dev *pdev = tp->pdev;
9886 struct pcidev_cookie *pcp = pdev->sysdata;
9887
9888 if (pcp != NULL) {
9889 int node = pcp->prom_node;
9890
9891 if (prom_getproplen(node, "local-mac-address") == 6) {
9892 prom_getproperty(node, "local-mac-address",
9893 dev->dev_addr, 6);
2ff43697 9894 memcpy(dev->perm_addr, dev->dev_addr, 6);
1da177e4
LT		 9895 return 0;
9896 }
9897 }
9898 return -ENODEV;
9899}
9900
9901static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
9902{
9903 struct net_device *dev = tp->dev;
9904
9905 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 9906 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 9907 return 0;
9908}
9909#endif
9910
9911static int __devinit tg3_get_device_address(struct tg3 *tp)
9912{
9913 struct net_device *dev = tp->dev;
9914 u32 hi, lo, mac_offset;
9915
9916#ifdef CONFIG_SPARC64
9917 if (!tg3_get_macaddr_sparc(tp))
9918 return 0;
9919#endif
9920
9921 mac_offset = 0x7c;
4cf78e4f
MC		 9922 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
9923 !(tp->tg3_flags & TG3_FLG2_SUN_570X)) ||
a4e2b347 9924 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 9925 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
9926 mac_offset = 0xcc;
9927 if (tg3_nvram_lock(tp))
9928 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
9929 else
9930 tg3_nvram_unlock(tp);
9931 }
9932
9933 /* First try to get it from MAC address mailbox. */
9934 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
9935 if ((hi >> 16) == 0x484b) {
9936 dev->dev_addr[0] = (hi >> 8) & 0xff;
9937 dev->dev_addr[1] = (hi >> 0) & 0xff;
9938
9939 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
9940 dev->dev_addr[2] = (lo >> 24) & 0xff;
9941 dev->dev_addr[3] = (lo >> 16) & 0xff;
9942 dev->dev_addr[4] = (lo >> 8) & 0xff;
9943 dev->dev_addr[5] = (lo >> 0) & 0xff;
9944 }
9945 /* Next, try NVRAM. */
9946 else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
9947 !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
9948 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
9949 dev->dev_addr[0] = ((hi >> 16) & 0xff);
9950 dev->dev_addr[1] = ((hi >> 24) & 0xff);
9951 dev->dev_addr[2] = ((lo >> 0) & 0xff);
9952 dev->dev_addr[3] = ((lo >> 8) & 0xff);
9953 dev->dev_addr[4] = ((lo >> 16) & 0xff);
9954 dev->dev_addr[5] = ((lo >> 24) & 0xff);
9955 }
9956 /* Finally just fetch it out of the MAC control regs. */
9957 else {
9958 hi = tr32(MAC_ADDR_0_HIGH);
9959 lo = tr32(MAC_ADDR_0_LOW);
9960
9961 dev->dev_addr[5] = lo & 0xff;
9962 dev->dev_addr[4] = (lo >> 8) & 0xff;
9963 dev->dev_addr[3] = (lo >> 16) & 0xff;
9964 dev->dev_addr[2] = (lo >> 24) & 0xff;
9965 dev->dev_addr[1] = hi & 0xff;
9966 dev->dev_addr[0] = (hi >> 8) & 0xff;
9967 }
9968
9969 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
9970#ifdef CONFIG_SPARC64
9971 if (!tg3_get_default_macaddr_sparc(tp))
9972 return 0;
9973#endif
9974 return -EINVAL;
9975 }
2ff43697 9976 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 9977 return 0;
9978}
9979
59e6b434
DM		 9980#define BOUNDARY_SINGLE_CACHELINE 1
9981#define BOUNDARY_MULTI_CACHELINE 2
9982
9983static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
9984{
9985 int cacheline_size;
9986 u8 byte;
9987 int goal;
9988
9989 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
9990 if (byte == 0)
9991 cacheline_size = 1024;
9992 else
9993 cacheline_size = (int) byte * 4;
9994
9995 /* On 5703 and later chips, the boundary bits have no
9996 * effect.
9997 */
9998 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9999 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
10000 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10001 goto out;
10002
10003#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
10004 goal = BOUNDARY_MULTI_CACHELINE;
10005#else
10006#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
10007 goal = BOUNDARY_SINGLE_CACHELINE;
10008#else
10009 goal = 0;
10010#endif
10011#endif
10012
10013 if (!goal)
10014 goto out;
10015
10016 /* PCI controllers on most RISC systems tend to disconnect
10017 * when a device tries to burst across a cache-line boundary.
10018 * Therefore, letting tg3 do so just wastes PCI bandwidth.
10019 *
10020 * Unfortunately, for PCI-E there are only limited
10021 * write-side controls for this, and thus for reads
10022 * we will still get the disconnects. We'll also waste
10023 * these PCI cycles for both read and write for chips
10024 * other than 5700 and 5701 which do not implement the
10025 * boundary bits.
10026 */
10027 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10028 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
10029 switch (cacheline_size) {
10030 case 16:
10031 case 32:
10032 case 64:
10033 case 128:
10034 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10035 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
10036 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
10037 } else {
10038 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
10039 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
10040 }
10041 break;
10042
10043 case 256:
10044 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
10045 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
10046 break;
10047
10048 default:
10049 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
10050 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
10051 break;
10052 };
10053 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10054 switch (cacheline_size) {
10055 case 16:
10056 case 32:
10057 case 64:
10058 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10059 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
10060 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
10061 break;
10062 }
10063 /* fallthrough */
10064 case 128:
10065 default:
10066 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
10067 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
10068 break;
10069 };
10070 } else {
10071 switch (cacheline_size) {
10072 case 16:
10073 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10074 val |= (DMA_RWCTRL_READ_BNDRY_16 |
10075 DMA_RWCTRL_WRITE_BNDRY_16);
10076 break;
10077 }
10078 /* fallthrough */
10079 case 32:
10080 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10081 val |= (DMA_RWCTRL_READ_BNDRY_32 |
10082 DMA_RWCTRL_WRITE_BNDRY_32);
10083 break;
10084 }
10085 /* fallthrough */
10086 case 64:
10087 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10088 val |= (DMA_RWCTRL_READ_BNDRY_64 |
10089 DMA_RWCTRL_WRITE_BNDRY_64);
10090 break;
10091 }
10092 /* fallthrough */
10093 case 128:
10094 if (goal == BOUNDARY_SINGLE_CACHELINE) {
10095 val |= (DMA_RWCTRL_READ_BNDRY_128 |
10096 DMA_RWCTRL_WRITE_BNDRY_128);
10097 break;
10098 }
10099 /* fallthrough */
10100 case 256:
10101 val |= (DMA_RWCTRL_READ_BNDRY_256 |
10102 DMA_RWCTRL_WRITE_BNDRY_256);
10103 break;
10104 case 512:
10105 val |= (DMA_RWCTRL_READ_BNDRY_512 |
10106 DMA_RWCTRL_WRITE_BNDRY_512);
10107 break;
10108 case 1024:
10109 default:
10110 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
10111 DMA_RWCTRL_WRITE_BNDRY_1024);
10112 break;
10113 };
10114 }
10115
10116out:
10117 return val;
10118}
10119
1da177e4
LT		 10120static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
10121{
10122 struct tg3_internal_buffer_desc test_desc;
10123 u32 sram_dma_descs;
10124 int i, ret;
10125
10126 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
10127
10128 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
10129 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
10130 tw32(RDMAC_STATUS, 0);
10131 tw32(WDMAC_STATUS, 0);
10132
10133 tw32(BUFMGR_MODE, 0);
10134 tw32(FTQ_RESET, 0);
10135
10136 test_desc.addr_hi = ((u64) buf_dma) >> 32;
10137 test_desc.addr_lo = buf_dma & 0xffffffff;
10138 test_desc.nic_mbuf = 0x00002100;
10139 test_desc.len = size;
10140
10141 /*
10142 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
10143 * the *second* time the tg3 driver was getting loaded after an
10144 * initial scan.
10145 *
10146 * Broadcom tells me:
10147 * ...the DMA engine is connected to the GRC block and a DMA
10148 * reset may affect the GRC block in some unpredictable way...
10149 * The behavior of resets to individual blocks has not been tested.
10150 *
10151 * Broadcom noted the GRC reset will also reset all sub-components.
10152 */
10153 if (to_device) {
10154 test_desc.cqid_sqid = (13 << 8) | 2;
10155
10156 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
10157 udelay(40);
10158 } else {
10159 test_desc.cqid_sqid = (16 << 8) | 7;
10160
10161 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
10162 udelay(40);
10163 }
10164 test_desc.flags = 0x00000005;
10165
10166 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
10167 u32 val;
10168
10169 val = *(((u32 *)&test_desc) + i);
10170 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
10171 sram_dma_descs + (i * sizeof(u32)));
10172 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
10173 }
10174 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
10175
10176 if (to_device) {
10177 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
10178 } else {
10179 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
10180 }
10181
10182 ret = -ENODEV;
10183 for (i = 0; i < 40; i++) {
10184 u32 val;
10185
10186 if (to_device)
10187 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
10188 else
10189 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
10190 if ((val & 0xffff) == sram_dma_descs) {
10191 ret = 0;
10192 break;
10193 }
10194
10195 udelay(100);
10196 }
10197
10198 return ret;
10199}
10200
ded7340d 10201#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 10202
10203static int __devinit tg3_test_dma(struct tg3 *tp)
10204{
10205 dma_addr_t buf_dma;
59e6b434 10206 u32 *buf, saved_dma_rwctrl;
1da177e4
LT		 10207 int ret;
10208
10209 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
10210 if (!buf) {
10211 ret = -ENOMEM;
10212 goto out_nofree;
10213 }
10214
10215 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
10216 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
10217
59e6b434 10218 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4
LT		 10219
10220 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10221 /* DMA read watermark not used on PCIE */
10222 tp->dma_rwctrl |= 0x00180000;
10223 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 10224 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
10225 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 10226 tp->dma_rwctrl |= 0x003f0000;
10227 else
10228 tp->dma_rwctrl |= 0x003f000f;
10229 } else {
10230 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
10231 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
10232 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
10233
10234 if (ccval == 0x6 || ccval == 0x7)
10235 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
10236
59e6b434 10237 /* Set bit 23 to enable PCIX hw bug fix */
1da177e4 10238 tp->dma_rwctrl |= 0x009f0000;
4cf78e4f
MC		 10239 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
10240 /* 5780 always in PCIX mode */
10241 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 10242 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10243 /* 5714 always in PCIX mode */
10244 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 10245 } else {
10246 tp->dma_rwctrl |= 0x001b000f;
10247 }
10248 }
10249
10250 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
10251 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
10252 tp->dma_rwctrl &= 0xfffffff0;
10253
10254 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10255 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
10256 /* Remove this if it causes problems for some boards. */
10257 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
10258
10259 /* On 5700/5701 chips, we need to set this bit.
10260 * Otherwise the chip will issue cacheline transactions
10261 * to streamable DMA memory with not all the byte
10262 * enables turned on. This is an error on several
10263 * RISC PCI controllers, in particular sparc64.
10264 *
10265 * On 5703/5704 chips, this bit has been reassigned
10266 * a different meaning. In particular, it is used
10267 * on those chips to enable a PCI-X workaround.
10268 */
10269 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
10270 }
10271
10272 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
10273
10274#if 0
10275 /* Unneeded, already done by tg3_get_invariants. */
10276 tg3_switch_clocks(tp);
10277#endif
10278
10279 ret = 0;
10280 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
10281 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
10282 goto out;
10283
59e6b434
DM		 10284 /* It is best to perform DMA test with maximum write burst size
10285 * to expose the 5700/5701 write DMA bug.
10286 */
10287 saved_dma_rwctrl = tp->dma_rwctrl;
10288 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
10289 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
10290
1da177e4
LT		 10291 while (1) {
10292 u32 *p = buf, i;
10293
10294 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
10295 p[i] = i;
10296
10297 /* Send the buffer to the chip. */
10298 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
10299 if (ret) {
10300 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
10301 break;
10302 }
10303
10304#if 0
10305 /* validate data reached card RAM correctly. */
10306 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
10307 u32 val;
10308 tg3_read_mem(tp, 0x2100 + (i*4), &val);
10309 if (le32_to_cpu(val) != p[i]) {
10310 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
10311 /* ret = -ENODEV here? */
10312 }
10313 p[i] = 0;
10314 }
10315#endif
10316 /* Now read it back. */
10317 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
10318 if (ret) {
10319 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
10320
10321 break;
10322 }
10323
10324 /* Verify it. */
10325 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
10326 if (p[i] == i)
10327 continue;
10328
59e6b434
DM		 10329 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
10330 DMA_RWCTRL_WRITE_BNDRY_16) {
10331 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 10332 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
10333 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
10334 break;
10335 } else {
10336 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
10337 ret = -ENODEV;
10338 goto out;
10339 }
10340 }
10341
10342 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
10343 /* Success. */
10344 ret = 0;
10345 break;
10346 }
10347 }
59e6b434
DM		 10348 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
10349 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 10350 static struct pci_device_id dma_wait_state_chipsets[] = {
10351 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
10352 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
10353 { },
10354 };
10355
59e6b434 10356 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 10357 * now look for chipsets that are known to expose the
10358 * DMA bug without failing the test.
59e6b434 10359 */
6d1cfbab
MC		 10360 if (pci_dev_present(dma_wait_state_chipsets)) {
10361 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
10362 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
10363 }
10364 else
10365 /* Safe to use the calculated DMA boundary. */
10366 tp->dma_rwctrl = saved_dma_rwctrl;
10367
59e6b434
DM		 10368 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
10369 }
1da177e4
LT		 10370
10371out:
10372 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
10373out_nofree:
10374 return ret;
10375}
10376
10377static void __devinit tg3_init_link_config(struct tg3 *tp)
10378{
10379 tp->link_config.advertising =
10380 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10381 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10382 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
10383 ADVERTISED_Autoneg | ADVERTISED_MII);
10384 tp->link_config.speed = SPEED_INVALID;
10385 tp->link_config.duplex = DUPLEX_INVALID;
10386 tp->link_config.autoneg = AUTONEG_ENABLE;
10387 netif_carrier_off(tp->dev);
10388 tp->link_config.active_speed = SPEED_INVALID;
10389 tp->link_config.active_duplex = DUPLEX_INVALID;
10390 tp->link_config.phy_is_low_power = 0;
10391 tp->link_config.orig_speed = SPEED_INVALID;
10392 tp->link_config.orig_duplex = DUPLEX_INVALID;
10393 tp->link_config.orig_autoneg = AUTONEG_INVALID;
10394}
10395
10396static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
10397{
fdfec172
MC		 10398 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10399 tp->bufmgr_config.mbuf_read_dma_low_water =
10400 DEFAULT_MB_RDMA_LOW_WATER_5705;
10401 tp->bufmgr_config.mbuf_mac_rx_low_water =
10402 DEFAULT_MB_MACRX_LOW_WATER_5705;
10403 tp->bufmgr_config.mbuf_high_water =
10404 DEFAULT_MB_HIGH_WATER_5705;
10405
10406 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
10407 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
10408 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
10409 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
10410 tp->bufmgr_config.mbuf_high_water_jumbo =
10411 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
10412 } else {
10413 tp->bufmgr_config.mbuf_read_dma_low_water =
10414 DEFAULT_MB_RDMA_LOW_WATER;
10415 tp->bufmgr_config.mbuf_mac_rx_low_water =
10416 DEFAULT_MB_MACRX_LOW_WATER;
10417 tp->bufmgr_config.mbuf_high_water =
10418 DEFAULT_MB_HIGH_WATER;
10419
10420 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
10421 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
10422 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
10423 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
10424 tp->bufmgr_config.mbuf_high_water_jumbo =
10425 DEFAULT_MB_HIGH_WATER_JUMBO;
10426 }
1da177e4
LT		 10427
10428 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
10429 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
10430}
10431
10432static char * __devinit tg3_phy_string(struct tg3 *tp)
10433{
10434 switch (tp->phy_id & PHY_ID_MASK) {
10435 case PHY_ID_BCM5400: return "5400";
10436 case PHY_ID_BCM5401: return "5401";
10437 case PHY_ID_BCM5411: return "5411";
10438 case PHY_ID_BCM5701: return "5701";
10439 case PHY_ID_BCM5703: return "5703";
10440 case PHY_ID_BCM5704: return "5704";
10441 case PHY_ID_BCM5705: return "5705";
10442 case PHY_ID_BCM5750: return "5750";
85e94ced 10443 case PHY_ID_BCM5752: return "5752";
a4e2b347 10444 case PHY_ID_BCM5714: return "5714";
4cf78e4f 10445 case PHY_ID_BCM5780: return "5780";
1da177e4
LT		 10446 case PHY_ID_BCM8002: return "8002/serdes";
10447 case 0: return "serdes";
10448 default: return "unknown";
10449 };
10450}
10451
f9804ddb
MC		 10452static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
10453{
10454 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10455 strcpy(str, "PCI Express");
10456 return str;
10457 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
10458 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
10459
10460 strcpy(str, "PCIX:");
10461
10462 if ((clock_ctrl == 7) ||
10463 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
10464 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
10465 strcat(str, "133MHz");
10466 else if (clock_ctrl == 0)
10467 strcat(str, "33MHz");
10468 else if (clock_ctrl == 2)
10469 strcat(str, "50MHz");
10470 else if (clock_ctrl == 4)
10471 strcat(str, "66MHz");
10472 else if (clock_ctrl == 6)
10473 strcat(str, "100MHz");
10474 else if (clock_ctrl == 7)
10475 strcat(str, "133MHz");
10476 } else {
10477 strcpy(str, "PCI:");
10478 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
10479 strcat(str, "66MHz");
10480 else
10481 strcat(str, "33MHz");
10482 }
10483 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
10484 strcat(str, ":32-bit");
10485 else
10486 strcat(str, ":64-bit");
10487 return str;
10488}
10489
8c2dc7e1 10490static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 10491{
10492 struct pci_dev *peer;
10493 unsigned int func, devnr = tp->pdev->devfn & ~7;
10494
10495 for (func = 0; func < 8; func++) {
10496 peer = pci_get_slot(tp->pdev->bus, devnr | func);
10497 if (peer && peer != tp->pdev)
10498 break;
10499 pci_dev_put(peer);
10500 }
16fe9d74
MC		 10501 /* 5704 can be configured in single-port mode, set peer to
10502 * tp->pdev in that case.
10503 */
10504 if (!peer) {
10505 peer = tp->pdev;
10506 return peer;
10507 }
1da177e4
LT		 10508
10509 /*
10510 * We don't need to keep the refcount elevated; there's no way
10511 * to remove one half of this device without removing the other
10512 */
10513 pci_dev_put(peer);
10514
10515 return peer;
10516}
10517
15f9850d
DM		 10518static void __devinit tg3_init_coal(struct tg3 *tp)
10519{
10520 struct ethtool_coalesce *ec = &tp->coal;
10521
10522 memset(ec, 0, sizeof(*ec));
10523 ec->cmd = ETHTOOL_GCOALESCE;
10524 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
10525 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
10526 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
10527 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
10528 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
10529 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
10530 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
10531 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
10532 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
10533
10534 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
10535 HOSTCC_MODE_CLRTICK_TXBD)) {
10536 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
10537 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
10538 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
10539 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
10540 }
d244c892
MC		 10541
10542 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10543 ec->rx_coalesce_usecs_irq = 0;
10544 ec->tx_coalesce_usecs_irq = 0;
10545 ec->stats_block_coalesce_usecs = 0;
10546 }
15f9850d
DM		 10547}
10548
1da177e4
LT		 10549static int __devinit tg3_init_one(struct pci_dev *pdev,
10550 const struct pci_device_id *ent)
10551{
10552 static int tg3_version_printed = 0;
10553 unsigned long tg3reg_base, tg3reg_len;
10554 struct net_device *dev;
10555 struct tg3 *tp;
10556 int i, err, pci_using_dac, pm_cap;
f9804ddb 10557 char str[40];
1da177e4
LT		 10558
10559 if (tg3_version_printed++ == 0)
10560 printk(KERN_INFO "%s", version);
10561
10562 err = pci_enable_device(pdev);
10563 if (err) {
10564 printk(KERN_ERR PFX "Cannot enable PCI device, "
10565 "aborting.\n");
10566 return err;
10567 }
10568
10569 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10570 printk(KERN_ERR PFX "Cannot find proper PCI device "
10571 "base address, aborting.\n");
10572 err = -ENODEV;
10573 goto err_out_disable_pdev;
10574 }
10575
10576 err = pci_request_regions(pdev, DRV_MODULE_NAME);
10577 if (err) {
10578 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
10579 "aborting.\n");
10580 goto err_out_disable_pdev;
10581 }
10582
10583 pci_set_master(pdev);
10584
10585 /* Find power-management capability. */
10586 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10587 if (pm_cap == 0) {
10588 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
10589 "aborting.\n");
10590 err = -EIO;
10591 goto err_out_free_res;
10592 }
10593
10594 /* Configure DMA attributes. */
f9a5f7d3 10595 err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1da177e4
LT		 10596 if (!err) {
10597 pci_using_dac = 1;
f9a5f7d3 10598 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1da177e4
LT		 10599 if (err < 0) {
10600 printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
10601 "for consistent allocations\n");
10602 goto err_out_free_res;
10603 }
10604 } else {
f9a5f7d3 10605 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1da177e4
LT		 10606 if (err) {
10607 printk(KERN_ERR PFX "No usable DMA configuration, "
10608 "aborting.\n");
10609 goto err_out_free_res;
10610 }
10611 pci_using_dac = 0;
10612 }
10613
10614 tg3reg_base = pci_resource_start(pdev, 0);
10615 tg3reg_len = pci_resource_len(pdev, 0);
10616
10617 dev = alloc_etherdev(sizeof(*tp));
10618 if (!dev) {
10619 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
10620 err = -ENOMEM;
10621 goto err_out_free_res;
10622 }
10623
10624 SET_MODULE_OWNER(dev);
10625 SET_NETDEV_DEV(dev, &pdev->dev);
10626
10627 if (pci_using_dac)
10628 dev->features |= NETIF_F_HIGHDMA;
10629 dev->features |= NETIF_F_LLTX;
10630#if TG3_VLAN_TAG_USED
10631 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
10632 dev->vlan_rx_register = tg3_vlan_rx_register;
10633 dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
10634#endif
10635
10636 tp = netdev_priv(dev);
10637 tp->pdev = pdev;
10638 tp->dev = dev;
10639 tp->pm_cap = pm_cap;
10640 tp->mac_mode = TG3_DEF_MAC_MODE;
10641 tp->rx_mode = TG3_DEF_RX_MODE;
10642 tp->tx_mode = TG3_DEF_TX_MODE;
10643 tp->mi_mode = MAC_MI_MODE_BASE;
10644 if (tg3_debug > 0)
10645 tp->msg_enable = tg3_debug;
10646 else
10647 tp->msg_enable = TG3_DEF_MSG_ENABLE;
10648
10649 /* The word/byte swap controls here control register access byte
10650 * swapping. DMA data byte swapping is controlled in the GRC_MODE
10651 * setting below.
10652 */
10653 tp->misc_host_ctrl =
10654 MISC_HOST_CTRL_MASK_PCI_INT |
10655 MISC_HOST_CTRL_WORD_SWAP |
10656 MISC_HOST_CTRL_INDIR_ACCESS |
10657 MISC_HOST_CTRL_PCISTATE_RW;
10658
10659 /* The NONFRM (non-frame) byte/word swap controls take effect
10660 * on descriptor entries, anything which isn't packet data.
10661 *
10662 * The StrongARM chips on the board (one for tx, one for rx)
10663 * are running in big-endian mode.
10664 */
10665 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
10666 GRC_MODE_WSWAP_NONFRM_DATA);
10667#ifdef __BIG_ENDIAN
10668 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
10669#endif
10670 spin_lock_init(&tp->lock);
10671 spin_lock_init(&tp->tx_lock);
10672 spin_lock_init(&tp->indirect_lock);
10673 INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
10674
10675 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
10676 if (tp->regs == 0UL) {
10677 printk(KERN_ERR PFX "Cannot map device registers, "
10678 "aborting.\n");
10679 err = -ENOMEM;
10680 goto err_out_free_dev;
10681 }
10682
10683 tg3_init_link_config(tp);
10684
1da177e4
LT		 10685 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
10686 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
10687 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
10688
10689 dev->open = tg3_open;
10690 dev->stop = tg3_close;
10691 dev->get_stats = tg3_get_stats;
10692 dev->set_multicast_list = tg3_set_rx_mode;
10693 dev->set_mac_address = tg3_set_mac_addr;
10694 dev->do_ioctl = tg3_ioctl;
10695 dev->tx_timeout = tg3_tx_timeout;
10696 dev->poll = tg3_poll;
10697 dev->ethtool_ops = &tg3_ethtool_ops;
10698 dev->weight = 64;
10699 dev->watchdog_timeo = TG3_TX_TIMEOUT;
10700 dev->change_mtu = tg3_change_mtu;
10701 dev->irq = pdev->irq;
10702#ifdef CONFIG_NET_POLL_CONTROLLER
10703 dev->poll_controller = tg3_poll_controller;
10704#endif
10705
10706 err = tg3_get_invariants(tp);
10707 if (err) {
10708 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
10709 "aborting.\n");
10710 goto err_out_iounmap;
10711 }
10712
fdfec172 10713 tg3_init_bufmgr_config(tp);
1da177e4
LT		 10714
10715#if TG3_TSO_SUPPORT != 0
10716 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
10717 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
10718 }
10719 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10720 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10721 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
10722 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
10723 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
10724 } else {
10725 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
10726 }
10727
10728 /* TSO is off by default, user can enable using ethtool. */
10729#if 0
10730 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
10731 dev->features |= NETIF_F_TSO;
10732#endif
10733
10734#endif
10735
10736 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
10737 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
10738 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
10739 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
10740 tp->rx_pending = 63;
10741 }
10742
8c2dc7e1
MC		 10743 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10744 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
10745 tp->pdev_peer = tg3_find_peer(tp);
1da177e4
LT		 10746
10747 err = tg3_get_device_address(tp);
10748 if (err) {
10749 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
10750 "aborting.\n");
10751 goto err_out_iounmap;
10752 }
10753
10754 /*
10755 * Reset chip in case UNDI or EFI driver did not shutdown
10756 * DMA self test will enable WDMAC and we'll see (spurious)
10757 * pending DMA on the PCI bus at that point.
10758 */
10759 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
10760 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
10761 pci_save_state(tp->pdev);
10762 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 10763 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 10764 }
10765
10766 err = tg3_test_dma(tp);
10767 if (err) {
10768 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
10769 goto err_out_iounmap;
10770 }
10771
10772 /* Tigon3 can do ipv4 only... and some chips have buggy
10773 * checksumming.
10774 */
10775 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
10776 dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
10777 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10778 } else
10779 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10780
10781 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
10782 dev->features &= ~NETIF_F_HIGHDMA;
10783
10784 /* flow control autonegotiation is default behavior */
10785 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10786
15f9850d
DM		 10787 tg3_init_coal(tp);
10788
7d3f4c97
DM		 10789 /* Now that we have fully setup the chip, save away a snapshot
10790 * of the PCI config space. We need to restore this after
10791 * GRC_MISC_CFG core clock resets and some resume events.
10792 */
10793 pci_save_state(tp->pdev);
10794
1da177e4
LT		 10795 err = register_netdev(dev);
10796 if (err) {
10797 printk(KERN_ERR PFX "Cannot register net device, "
10798 "aborting.\n");
10799 goto err_out_iounmap;
10800 }
10801
10802 pci_set_drvdata(pdev, dev);
10803
f9804ddb 10804 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
1da177e4
LT		 10805 dev->name,
10806 tp->board_part_number,
10807 tp->pci_chip_rev_id,
10808 tg3_phy_string(tp),
f9804ddb 10809 tg3_bus_string(tp, str),
1da177e4
LT		 10810 (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
10811
10812 for (i = 0; i < 6; i++)
10813 printk("%2.2x%c", dev->dev_addr[i],
10814 i == 5 ? '\n' : ':');
10815
10816 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
10817 "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
10818 "TSOcap[%d] \n",
10819 dev->name,
10820 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
10821 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
10822 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
10823 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
10824 (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
10825 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
10826 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
59e6b434
DM		 10827 printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
10828 dev->name, tp->dma_rwctrl);
1da177e4
LT		 10829
10830 return 0;
10831
10832err_out_iounmap:
6892914f
MC		 10833 if (tp->regs) {
10834 iounmap(tp->regs);
22abe310 10835 tp->regs = NULL;
6892914f 10836 }
1da177e4
LT		 10837
10838err_out_free_dev:
10839 free_netdev(dev);
10840
10841err_out_free_res:
10842 pci_release_regions(pdev);
10843
10844err_out_disable_pdev:
10845 pci_disable_device(pdev);
10846 pci_set_drvdata(pdev, NULL);
10847 return err;
10848}
10849
10850static void __devexit tg3_remove_one(struct pci_dev *pdev)
10851{
10852 struct net_device *dev = pci_get_drvdata(pdev);
10853
10854 if (dev) {
10855 struct tg3 *tp = netdev_priv(dev);
10856
10857 unregister_netdev(dev);
6892914f
MC		 10858 if (tp->regs) {
10859 iounmap(tp->regs);
22abe310 10860 tp->regs = NULL;
6892914f 10861 }
1da177e4
LT		 10862 free_netdev(dev);
10863 pci_release_regions(pdev);
10864 pci_disable_device(pdev);
10865 pci_set_drvdata(pdev, NULL);
10866 }
10867}
10868
10869static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
10870{
10871 struct net_device *dev = pci_get_drvdata(pdev);
10872 struct tg3 *tp = netdev_priv(dev);
10873 int err;
10874
10875 if (!netif_running(dev))
10876 return 0;
10877
10878 tg3_netif_stop(tp);
10879
10880 del_timer_sync(&tp->timer);
10881
f47c11ee 10882 tg3_full_lock(tp, 1);
1da177e4 10883 tg3_disable_ints(tp);
f47c11ee 10884 tg3_full_unlock(tp);
1da177e4
LT		 10885
10886 netif_device_detach(dev);
10887
f47c11ee 10888 tg3_full_lock(tp, 0);
944d980e 10889 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 10890 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 10891 tg3_full_unlock(tp);
1da177e4
LT		 10892
10893 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
10894 if (err) {
f47c11ee 10895 tg3_full_lock(tp, 0);
1da177e4 10896
6a9eba15 10897 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 10898 tg3_init_hw(tp);
10899
10900 tp->timer.expires = jiffies + tp->timer_offset;
10901 add_timer(&tp->timer);
10902
10903 netif_device_attach(dev);
10904 tg3_netif_start(tp);
10905
f47c11ee 10906 tg3_full_unlock(tp);
1da177e4
LT		 10907 }
10908
10909 return err;
10910}
10911
10912static int tg3_resume(struct pci_dev *pdev)
10913{
10914 struct net_device *dev = pci_get_drvdata(pdev);
10915 struct tg3 *tp = netdev_priv(dev);
10916 int err;
10917
10918 if (!netif_running(dev))
10919 return 0;
10920
10921 pci_restore_state(tp->pdev);
10922
10923 err = tg3_set_power_state(tp, 0);
10924 if (err)
10925 return err;
10926
10927 netif_device_attach(dev);
10928
f47c11ee 10929 tg3_full_lock(tp, 0);
1da177e4 10930
6a9eba15 10931 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 10932 tg3_init_hw(tp);
10933
10934 tp->timer.expires = jiffies + tp->timer_offset;
10935 add_timer(&tp->timer);
10936
1da177e4
LT		 10937 tg3_netif_start(tp);
10938
f47c11ee 10939 tg3_full_unlock(tp);
1da177e4
LT		 10940
10941 return 0;
10942}
10943
10944static struct pci_driver tg3_driver = {
10945 .name = DRV_MODULE_NAME,
10946 .id_table = tg3_pci_tbl,
10947 .probe = tg3_init_one,
10948 .remove = __devexit_p(tg3_remove_one),
10949 .suspend = tg3_suspend,
10950 .resume = tg3_resume
10951};
10952
10953static int __init tg3_init(void)
10954{
10955 return pci_module_init(&tg3_driver);
10956}
10957
10958static void __exit tg3_cleanup(void)
10959{
10960 pci_unregister_driver(&tg3_driver);
10961}
10962
10963module_init(tg3_init);
10964module_exit(tg3_cleanup);
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