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[SPARC64]: Fix PCI rework to adhere to of_get_property() const return.
[net-next-2.6.git] / drivers / net / tg3.c
CommitLineData
1da177e4
LT		 1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
65610fba 7 * Copyright (C) 2005-2007 Broadcom Corporation.
1da177e4
LT		 8 *
9 * Firmware is:
49cabf49
MC		 10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
1da177e4
LT		 16 */
17
1da177e4
LT		 18
19#include <linux/module.h>
20#include <linux/moduleparam.h>
21#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/compiler.h>
24#include <linux/slab.h>
25#include <linux/delay.h>
14c85021 26#include <linux/in.h>
1da177e4
LT		 27#include <linux/init.h>
28#include <linux/ioport.h>
29#include <linux/pci.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/ethtool.h>
34#include <linux/mii.h>
35#include <linux/if_vlan.h>
36#include <linux/ip.h>
37#include <linux/tcp.h>
38#include <linux/workqueue.h>
61487480 39#include <linux/prefetch.h>
f9a5f7d3 40#include <linux/dma-mapping.h>
1da177e4
LT		 41
42#include <net/checksum.h>
43
44#include <asm/system.h>
45#include <asm/io.h>
46#include <asm/byteorder.h>
47#include <asm/uaccess.h>
48
49b6e95f 49#ifdef CONFIG_SPARC
1da177e4 50#include <asm/idprom.h>
49b6e95f 51#include <asm/prom.h>
1da177e4
LT		 52#endif
53
54#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
55#define TG3_VLAN_TAG_USED 1
56#else
57#define TG3_VLAN_TAG_USED 0
58#endif
59
1da177e4 60#define TG3_TSO_SUPPORT 1
1da177e4
LT		 61
62#include "tg3.h"
63
64#define DRV_MODULE_NAME "tg3"
65#define PFX DRV_MODULE_NAME ": "
20bd7dd4
MC		 66#define DRV_MODULE_VERSION "3.75"
67#define DRV_MODULE_RELDATE "March 23, 2007"
1da177e4
LT		 68
69#define TG3_DEF_MAC_MODE 0
70#define TG3_DEF_RX_MODE 0
71#define TG3_DEF_TX_MODE 0
72#define TG3_DEF_MSG_ENABLE \
73 (NETIF_MSG_DRV | \
74 NETIF_MSG_PROBE | \
75 NETIF_MSG_LINK | \
76 NETIF_MSG_TIMER | \
77 NETIF_MSG_IFDOWN | \
78 NETIF_MSG_IFUP | \
79 NETIF_MSG_RX_ERR | \
80 NETIF_MSG_TX_ERR)
81
82/* length of time before we decide the hardware is borked,
83 * and dev->tx_timeout() should be called to fix the problem
84 */
85#define TG3_TX_TIMEOUT (5 * HZ)
86
87/* hardware minimum and maximum for a single frame's data payload */
88#define TG3_MIN_MTU 60
89#define TG3_MAX_MTU(tp) \
0f893dc6 90 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 91
92/* These numbers seem to be hard coded in the NIC firmware somehow.
93 * You can't change the ring sizes, but you can change where you place
94 * them in the NIC onboard memory.
95 */
96#define TG3_RX_RING_SIZE 512
97#define TG3_DEF_RX_RING_PENDING 200
98#define TG3_RX_JUMBO_RING_SIZE 256
99#define TG3_DEF_RX_JUMBO_RING_PENDING 100
100
101/* Do not place this n-ring entries value into the tp struct itself,
102 * we really want to expose these constants to GCC so that modulo et
103 * al. operations are done with shifts and masks instead of with
104 * hw multiply/modulo instructions. Another solution would be to
105 * replace things like '% foo' with '& (foo - 1)'.
106 */
107#define TG3_RX_RCB_RING_SIZE(tp) \
108 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
109
110#define TG3_TX_RING_SIZE 512
111#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
112
113#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
114 TG3_RX_RING_SIZE)
115#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
116 TG3_RX_JUMBO_RING_SIZE)
117#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
118 TG3_RX_RCB_RING_SIZE(tp))
119#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
120 TG3_TX_RING_SIZE)
1da177e4
LT		 121#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
122
123#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
124#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
125
126/* minimum number of free TX descriptors required to wake up TX process */
42952231 127#define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
1da177e4
LT		 128
129/* number of ETHTOOL_GSTATS u64's */
130#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
131
4cafd3f5
MC		 132#define TG3_NUM_TEST 6
133
1da177e4
LT		 134static char version[] __devinitdata =
135 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
136
137MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
138MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
139MODULE_LICENSE("GPL");
140MODULE_VERSION(DRV_MODULE_VERSION);
141
142static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
143module_param(tg3_debug, int, 0);
144MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
145
146static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 147 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
13185217
HK		 200 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
201 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
202 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
203 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
204 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
205 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
206 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
207 {}
1da177e4
LT		 208};
209
210MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
211
50da859d 212static const struct {
1da177e4
LT		 213 const char string[ETH_GSTRING_LEN];
214} ethtool_stats_keys[TG3_NUM_STATS] = {
215 { "rx_octets" },
216 { "rx_fragments" },
217 { "rx_ucast_packets" },
218 { "rx_mcast_packets" },
219 { "rx_bcast_packets" },
220 { "rx_fcs_errors" },
221 { "rx_align_errors" },
222 { "rx_xon_pause_rcvd" },
223 { "rx_xoff_pause_rcvd" },
224 { "rx_mac_ctrl_rcvd" },
225 { "rx_xoff_entered" },
226 { "rx_frame_too_long_errors" },
227 { "rx_jabbers" },
228 { "rx_undersize_packets" },
229 { "rx_in_length_errors" },
230 { "rx_out_length_errors" },
231 { "rx_64_or_less_octet_packets" },
232 { "rx_65_to_127_octet_packets" },
233 { "rx_128_to_255_octet_packets" },
234 { "rx_256_to_511_octet_packets" },
235 { "rx_512_to_1023_octet_packets" },
236 { "rx_1024_to_1522_octet_packets" },
237 { "rx_1523_to_2047_octet_packets" },
238 { "rx_2048_to_4095_octet_packets" },
239 { "rx_4096_to_8191_octet_packets" },
240 { "rx_8192_to_9022_octet_packets" },
241
242 { "tx_octets" },
243 { "tx_collisions" },
244
245 { "tx_xon_sent" },
246 { "tx_xoff_sent" },
247 { "tx_flow_control" },
248 { "tx_mac_errors" },
249 { "tx_single_collisions" },
250 { "tx_mult_collisions" },
251 { "tx_deferred" },
252 { "tx_excessive_collisions" },
253 { "tx_late_collisions" },
254 { "tx_collide_2times" },
255 { "tx_collide_3times" },
256 { "tx_collide_4times" },
257 { "tx_collide_5times" },
258 { "tx_collide_6times" },
259 { "tx_collide_7times" },
260 { "tx_collide_8times" },
261 { "tx_collide_9times" },
262 { "tx_collide_10times" },
263 { "tx_collide_11times" },
264 { "tx_collide_12times" },
265 { "tx_collide_13times" },
266 { "tx_collide_14times" },
267 { "tx_collide_15times" },
268 { "tx_ucast_packets" },
269 { "tx_mcast_packets" },
270 { "tx_bcast_packets" },
271 { "tx_carrier_sense_errors" },
272 { "tx_discards" },
273 { "tx_errors" },
274
275 { "dma_writeq_full" },
276 { "dma_write_prioq_full" },
277 { "rxbds_empty" },
278 { "rx_discards" },
279 { "rx_errors" },
280 { "rx_threshold_hit" },
281
282 { "dma_readq_full" },
283 { "dma_read_prioq_full" },
284 { "tx_comp_queue_full" },
285
286 { "ring_set_send_prod_index" },
287 { "ring_status_update" },
288 { "nic_irqs" },
289 { "nic_avoided_irqs" },
290 { "nic_tx_threshold_hit" }
291};
292
50da859d 293static const struct {
4cafd3f5
MC		 294 const char string[ETH_GSTRING_LEN];
295} ethtool_test_keys[TG3_NUM_TEST] = {
296 { "nvram test (online) " },
297 { "link test (online) " },
298 { "register test (offline)" },
299 { "memory test (offline)" },
300 { "loopback test (offline)" },
301 { "interrupt test (offline)" },
302};
303
b401e9e2
MC		 304static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
305{
306 writel(val, tp->regs + off);
307}
308
309static u32 tg3_read32(struct tg3 *tp, u32 off)
310{
6aa20a22 311 return (readl(tp->regs + off));
b401e9e2
MC		 312}
313
1da177e4
LT		 314static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
315{
6892914f
MC		 316 unsigned long flags;
317
318 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 319 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
320 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 321 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 322}
323
324static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
325{
326 writel(val, tp->regs + off);
327 readl(tp->regs + off);
1da177e4
LT		 328}
329
6892914f 330static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 331{
6892914f
MC		 332 unsigned long flags;
333 u32 val;
334
335 spin_lock_irqsave(&tp->indirect_lock, flags);
336 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
337 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
338 spin_unlock_irqrestore(&tp->indirect_lock, flags);
339 return val;
340}
341
342static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
343{
344 unsigned long flags;
345
346 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
347 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
348 TG3_64BIT_REG_LOW, val);
349 return;
350 }
351 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
352 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
353 TG3_64BIT_REG_LOW, val);
354 return;
1da177e4 355 }
6892914f
MC		 356
357 spin_lock_irqsave(&tp->indirect_lock, flags);
358 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
359 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
360 spin_unlock_irqrestore(&tp->indirect_lock, flags);
361
362 /* In indirect mode when disabling interrupts, we also need
363 * to clear the interrupt bit in the GRC local ctrl register.
364 */
365 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
366 (val == 0x1)) {
367 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
368 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
369 }
370}
371
372static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
373{
374 unsigned long flags;
375 u32 val;
376
377 spin_lock_irqsave(&tp->indirect_lock, flags);
378 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
379 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
380 spin_unlock_irqrestore(&tp->indirect_lock, flags);
381 return val;
382}
383
b401e9e2
MC		 384/* usec_wait specifies the wait time in usec when writing to certain registers
385 * where it is unsafe to read back the register without some delay.
386 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
387 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
388 */
389static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 390{
b401e9e2
MC		 391 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
392 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
393 /* Non-posted methods */
394 tp->write32(tp, off, val);
395 else {
396 /* Posted method */
397 tg3_write32(tp, off, val);
398 if (usec_wait)
399 udelay(usec_wait);
400 tp->read32(tp, off);
401 }
402 /* Wait again after the read for the posted method to guarantee that
403 * the wait time is met.
404 */
405 if (usec_wait)
406 udelay(usec_wait);
1da177e4
LT		 407}
408
09ee929c
MC		 409static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
410{
411 tp->write32_mbox(tp, off, val);
6892914f
MC		 412 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
413 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
414 tp->read32_mbox(tp, off);
09ee929c
MC		 415}
416
20094930 417static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 418{
419 void __iomem *mbox = tp->regs + off;
420 writel(val, mbox);
421 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
422 writel(val, mbox);
423 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
424 readl(mbox);
425}
426
b5d3772c
MC		 427static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
428{
429 return (readl(tp->regs + off + GRCMBOX_BASE));
430}
431
432static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
433{
434 writel(val, tp->regs + off + GRCMBOX_BASE);
435}
436
20094930 437#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 438#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 439#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
440#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 441#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 442
443#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 444#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
445#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 446#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 447
448static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
449{
6892914f
MC		 450 unsigned long flags;
451
b5d3772c
MC		 452 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
453 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
454 return;
455
6892914f 456 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 457 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
458 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
459 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 460
bbadf503
MC		 461 /* Always leave this as zero. */
462 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
463 } else {
464 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
465 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 466
bbadf503
MC		 467 /* Always leave this as zero. */
468 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
469 }
470 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 471}
472
1da177e4
LT		 473static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
474{
6892914f
MC		 475 unsigned long flags;
476
b5d3772c
MC		 477 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
478 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
479 *val = 0;
480 return;
481 }
482
6892914f 483 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 484 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
485 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
486 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 487
bbadf503
MC		 488 /* Always leave this as zero. */
489 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
490 } else {
491 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
492 *val = tr32(TG3PCI_MEM_WIN_DATA);
493
494 /* Always leave this as zero. */
495 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
496 }
6892914f 497 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 498}
499
500static void tg3_disable_ints(struct tg3 *tp)
501{
502 tw32(TG3PCI_MISC_HOST_CTRL,
503 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c 504 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
1da177e4
LT		 505}
506
507static inline void tg3_cond_int(struct tg3 *tp)
508{
38f3843e
MC		 509 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
510 (tp->hw_status->status & SD_STATUS_UPDATED))
1da177e4 511 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
b5d3772c
MC		 512 else
513 tw32(HOSTCC_MODE, tp->coalesce_mode |
514 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 515}
516
517static void tg3_enable_ints(struct tg3 *tp)
518{
bbe832c0
MC		 519 tp->irq_sync = 0;
520 wmb();
521
1da177e4
LT		 522 tw32(TG3PCI_MISC_HOST_CTRL,
523 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c
MC		 524 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
525 (tp->last_tag << 24));
fcfa0a32
MC		 526 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
527 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
528 (tp->last_tag << 24));
1da177e4
LT		 529 tg3_cond_int(tp);
530}
531
04237ddd
MC		 532static inline unsigned int tg3_has_work(struct tg3 *tp)
533{
534 struct tg3_hw_status *sblk = tp->hw_status;
535 unsigned int work_exists = 0;
536
537 /* check for phy events */
538 if (!(tp->tg3_flags &
539 (TG3_FLAG_USE_LINKCHG_REG |
540 TG3_FLAG_POLL_SERDES))) {
541 if (sblk->status & SD_STATUS_LINK_CHG)
542 work_exists = 1;
543 }
544 /* check for RX/TX work to do */
545 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
546 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
547 work_exists = 1;
548
549 return work_exists;
550}
551
1da177e4 552/* tg3_restart_ints
04237ddd
MC		 553 * similar to tg3_enable_ints, but it accurately determines whether there
554 * is new work pending and can return without flushing the PIO write
6aa20a22 555 * which reenables interrupts
1da177e4
LT		 556 */
557static void tg3_restart_ints(struct tg3 *tp)
558{
fac9b83e
DM		 559 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
560 tp->last_tag << 24);
1da177e4
LT		 561 mmiowb();
562
fac9b83e
DM		 563 /* When doing tagged status, this work check is unnecessary.
564 * The last_tag we write above tells the chip which piece of
565 * work we've completed.
566 */
567 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
568 tg3_has_work(tp))
04237ddd
MC		 569 tw32(HOSTCC_MODE, tp->coalesce_mode |
570 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 571}
572
573static inline void tg3_netif_stop(struct tg3 *tp)
574{
bbe832c0 575 tp->dev->trans_start = jiffies; /* prevent tx timeout */
1da177e4
LT		 576 netif_poll_disable(tp->dev);
577 netif_tx_disable(tp->dev);
578}
579
580static inline void tg3_netif_start(struct tg3 *tp)
581{
582 netif_wake_queue(tp->dev);
583 /* NOTE: unconditional netif_wake_queue is only appropriate
584 * so long as all callers are assured to have free tx slots
585 * (such as after tg3_init_hw)
586 */
587 netif_poll_enable(tp->dev);
f47c11ee
DM		 588 tp->hw_status->status |= SD_STATUS_UPDATED;
589 tg3_enable_ints(tp);
1da177e4
LT		 590}
591
592static void tg3_switch_clocks(struct tg3 *tp)
593{
594 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
595 u32 orig_clock_ctrl;
596
a4e2b347 597 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f
MC		 598 return;
599
1da177e4
LT		 600 orig_clock_ctrl = clock_ctrl;
601 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
602 CLOCK_CTRL_CLKRUN_OENABLE |
603 0x1f);
604 tp->pci_clock_ctrl = clock_ctrl;
605
606 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
607 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 608 tw32_wait_f(TG3PCI_CLOCK_CTRL,
609 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 610 }
611 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 612 tw32_wait_f(TG3PCI_CLOCK_CTRL,
613 clock_ctrl |
614 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
615 40);
616 tw32_wait_f(TG3PCI_CLOCK_CTRL,
617 clock_ctrl | (CLOCK_CTRL_ALTCLK),
618 40);
1da177e4 619 }
b401e9e2 620 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 621}
622
623#define PHY_BUSY_LOOPS 5000
624
625static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
626{
627 u32 frame_val;
628 unsigned int loops;
629 int ret;
630
631 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
632 tw32_f(MAC_MI_MODE,
633 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
634 udelay(80);
635 }
636
637 *val = 0x0;
638
639 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
640 MI_COM_PHY_ADDR_MASK);
641 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
642 MI_COM_REG_ADDR_MASK);
643 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 644
1da177e4
LT		 645 tw32_f(MAC_MI_COM, frame_val);
646
647 loops = PHY_BUSY_LOOPS;
648 while (loops != 0) {
649 udelay(10);
650 frame_val = tr32(MAC_MI_COM);
651
652 if ((frame_val & MI_COM_BUSY) == 0) {
653 udelay(5);
654 frame_val = tr32(MAC_MI_COM);
655 break;
656 }
657 loops -= 1;
658 }
659
660 ret = -EBUSY;
661 if (loops != 0) {
662 *val = frame_val & MI_COM_DATA_MASK;
663 ret = 0;
664 }
665
666 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
667 tw32_f(MAC_MI_MODE, tp->mi_mode);
668 udelay(80);
669 }
670
671 return ret;
672}
673
674static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
675{
676 u32 frame_val;
677 unsigned int loops;
678 int ret;
679
b5d3772c
MC		 680 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
681 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
682 return 0;
683
1da177e4
LT		 684 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
685 tw32_f(MAC_MI_MODE,
686 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
687 udelay(80);
688 }
689
690 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
691 MI_COM_PHY_ADDR_MASK);
692 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
693 MI_COM_REG_ADDR_MASK);
694 frame_val |= (val & MI_COM_DATA_MASK);
695 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 696
1da177e4
LT		 697 tw32_f(MAC_MI_COM, frame_val);
698
699 loops = PHY_BUSY_LOOPS;
700 while (loops != 0) {
701 udelay(10);
702 frame_val = tr32(MAC_MI_COM);
703 if ((frame_val & MI_COM_BUSY) == 0) {
704 udelay(5);
705 frame_val = tr32(MAC_MI_COM);
706 break;
707 }
708 loops -= 1;
709 }
710
711 ret = -EBUSY;
712 if (loops != 0)
713 ret = 0;
714
715 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
716 tw32_f(MAC_MI_MODE, tp->mi_mode);
717 udelay(80);
718 }
719
720 return ret;
721}
722
723static void tg3_phy_set_wirespeed(struct tg3 *tp)
724{
725 u32 val;
726
727 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
728 return;
729
730 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
731 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
732 tg3_writephy(tp, MII_TG3_AUX_CTRL,
733 (val | (1 << 15) | (1 << 4)));
734}
735
736static int tg3_bmcr_reset(struct tg3 *tp)
737{
738 u32 phy_control;
739 int limit, err;
740
741 /* OK, reset it, and poll the BMCR_RESET bit until it
742 * clears or we time out.
743 */
744 phy_control = BMCR_RESET;
745 err = tg3_writephy(tp, MII_BMCR, phy_control);
746 if (err != 0)
747 return -EBUSY;
748
749 limit = 5000;
750 while (limit--) {
751 err = tg3_readphy(tp, MII_BMCR, &phy_control);
752 if (err != 0)
753 return -EBUSY;
754
755 if ((phy_control & BMCR_RESET) == 0) {
756 udelay(40);
757 break;
758 }
759 udelay(10);
760 }
761 if (limit <= 0)
762 return -EBUSY;
763
764 return 0;
765}
766
767static int tg3_wait_macro_done(struct tg3 *tp)
768{
769 int limit = 100;
770
771 while (limit--) {
772 u32 tmp32;
773
774 if (!tg3_readphy(tp, 0x16, &tmp32)) {
775 if ((tmp32 & 0x1000) == 0)
776 break;
777 }
778 }
779 if (limit <= 0)
780 return -EBUSY;
781
782 return 0;
783}
784
785static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
786{
787 static const u32 test_pat[4][6] = {
788 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
789 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
790 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
791 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
792 };
793 int chan;
794
795 for (chan = 0; chan < 4; chan++) {
796 int i;
797
798 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
799 (chan * 0x2000) | 0x0200);
800 tg3_writephy(tp, 0x16, 0x0002);
801
802 for (i = 0; i < 6; i++)
803 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
804 test_pat[chan][i]);
805
806 tg3_writephy(tp, 0x16, 0x0202);
807 if (tg3_wait_macro_done(tp)) {
808 *resetp = 1;
809 return -EBUSY;
810 }
811
812 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
813 (chan * 0x2000) | 0x0200);
814 tg3_writephy(tp, 0x16, 0x0082);
815 if (tg3_wait_macro_done(tp)) {
816 *resetp = 1;
817 return -EBUSY;
818 }
819
820 tg3_writephy(tp, 0x16, 0x0802);
821 if (tg3_wait_macro_done(tp)) {
822 *resetp = 1;
823 return -EBUSY;
824 }
825
826 for (i = 0; i < 6; i += 2) {
827 u32 low, high;
828
829 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
830 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
831 tg3_wait_macro_done(tp)) {
832 *resetp = 1;
833 return -EBUSY;
834 }
835 low &= 0x7fff;
836 high &= 0x000f;
837 if (low != test_pat[chan][i] ||
838 high != test_pat[chan][i+1]) {
839 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
840 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
841 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
842
843 return -EBUSY;
844 }
845 }
846 }
847
848 return 0;
849}
850
851static int tg3_phy_reset_chanpat(struct tg3 *tp)
852{
853 int chan;
854
855 for (chan = 0; chan < 4; chan++) {
856 int i;
857
858 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
859 (chan * 0x2000) | 0x0200);
860 tg3_writephy(tp, 0x16, 0x0002);
861 for (i = 0; i < 6; i++)
862 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
863 tg3_writephy(tp, 0x16, 0x0202);
864 if (tg3_wait_macro_done(tp))
865 return -EBUSY;
866 }
867
868 return 0;
869}
870
871static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
872{
873 u32 reg32, phy9_orig;
874 int retries, do_phy_reset, err;
875
876 retries = 10;
877 do_phy_reset = 1;
878 do {
879 if (do_phy_reset) {
880 err = tg3_bmcr_reset(tp);
881 if (err)
882 return err;
883 do_phy_reset = 0;
884 }
885
886 /* Disable transmitter and interrupt. */
887 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
888 continue;
889
890 reg32 |= 0x3000;
891 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
892
893 /* Set full-duplex, 1000 mbps. */
894 tg3_writephy(tp, MII_BMCR,
895 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
896
897 /* Set to master mode. */
898 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
899 continue;
900
901 tg3_writephy(tp, MII_TG3_CTRL,
902 (MII_TG3_CTRL_AS_MASTER |
903 MII_TG3_CTRL_ENABLE_AS_MASTER));
904
905 /* Enable SM_DSP_CLOCK and 6dB. */
906 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
907
908 /* Block the PHY control access. */
909 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
910 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
911
912 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
913 if (!err)
914 break;
915 } while (--retries);
916
917 err = tg3_phy_reset_chanpat(tp);
918 if (err)
919 return err;
920
921 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
922 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
923
924 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
925 tg3_writephy(tp, 0x16, 0x0000);
926
927 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
928 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
929 /* Set Extended packet length bit for jumbo frames */
930 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
931 }
932 else {
933 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
934 }
935
936 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
937
938 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
939 reg32 &= ~0x3000;
940 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
941 } else if (!err)
942 err = -EBUSY;
943
944 return err;
945}
946
c8e1e82b
MC		 947static void tg3_link_report(struct tg3 *);
948
1da177e4
LT		 949/* This will reset the tigon3 PHY if there is no valid
950 * link unless the FORCE argument is non-zero.
951 */
952static int tg3_phy_reset(struct tg3 *tp)
953{
954 u32 phy_status;
955 int err;
956
60189ddf
MC		 957 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
958 u32 val;
959
960 val = tr32(GRC_MISC_CFG);
961 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
962 udelay(40);
963 }
1da177e4
LT		 964 err = tg3_readphy(tp, MII_BMSR, &phy_status);
965 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
966 if (err != 0)
967 return -EBUSY;
968
c8e1e82b
MC		 969 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
970 netif_carrier_off(tp->dev);
971 tg3_link_report(tp);
972 }
973
1da177e4
LT		 974 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
975 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
976 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
977 err = tg3_phy_reset_5703_4_5(tp);
978 if (err)
979 return err;
980 goto out;
981 }
982
983 err = tg3_bmcr_reset(tp);
984 if (err)
985 return err;
986
987out:
988 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
989 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
990 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
991 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
992 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
993 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
994 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
995 }
996 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
997 tg3_writephy(tp, 0x1c, 0x8d68);
998 tg3_writephy(tp, 0x1c, 0x8d68);
999 }
1000 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1001 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1002 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1003 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1004 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1005 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1006 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1007 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1008 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1009 }
c424cb24
MC		 1010 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1011 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1012 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1013 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1014 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1015 tg3_writephy(tp, MII_TG3_TEST1,
1016 MII_TG3_TEST1_TRIM_EN | 0x4);
1017 } else
1018 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1019 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1020 }
1da177e4
LT		 1021 /* Set Extended packet length bit (bit 14) on all chips that */
1022 /* support jumbo frames */
1023 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1024 /* Cannot do read-modify-write on 5401 */
1025 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
0f893dc6 1026 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1027 u32 phy_reg;
1028
1029 /* Set bit 14 with read-modify-write to preserve other bits */
1030 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1031 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1032 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1033 }
1034
1035 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1036 * jumbo frames transmission.
1037 */
0f893dc6 1038 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1039 u32 phy_reg;
1040
1041 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1042 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1043 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1044 }
1045
715116a1
MC		 1046 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1047 u32 phy_reg;
1048
1049 /* adjust output voltage */
1050 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1051
1052 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1053 u32 phy_reg2;
1054
1055 tg3_writephy(tp, MII_TG3_EPHY_TEST,
1056 phy_reg | MII_TG3_EPHY_SHADOW_EN);
1057 /* Enable auto-MDIX */
1058 if (!tg3_readphy(tp, 0x10, &phy_reg2))
1059 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1060 tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1061 }
1062 }
1063
1da177e4
LT		 1064 tg3_phy_set_wirespeed(tp);
1065 return 0;
1066}
1067
1068static void tg3_frob_aux_power(struct tg3 *tp)
1069{
1070 struct tg3 *tp_peer = tp;
1071
9d26e213 1072 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 1073 return;
1074
8c2dc7e1
MC		 1075 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1076 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1077 struct net_device *dev_peer;
1078
1079 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 1080 /* remove_one() may have been run on the peer. */
8c2dc7e1 1081 if (!dev_peer)
bc1c7567
MC		 1082 tp_peer = tp;
1083 else
1084 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 1085 }
1086
1da177e4 1087 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 1088 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1089 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1090 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 1091 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1092 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 1093 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1094 (GRC_LCLCTRL_GPIO_OE0 |
1095 GRC_LCLCTRL_GPIO_OE1 |
1096 GRC_LCLCTRL_GPIO_OE2 |
1097 GRC_LCLCTRL_GPIO_OUTPUT0 |
1098 GRC_LCLCTRL_GPIO_OUTPUT1),
1099 100);
1da177e4
LT		 1100 } else {
1101 u32 no_gpio2;
dc56b7d4 1102 u32 grc_local_ctrl = 0;
1da177e4
LT		 1103
1104 if (tp_peer != tp &&
1105 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1106 return;
1107
dc56b7d4
MC		 1108 /* Workaround to prevent overdrawing Amps. */
1109 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1110 ASIC_REV_5714) {
1111 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 1112 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1113 grc_local_ctrl, 100);
dc56b7d4
MC		 1114 }
1115
1da177e4
LT		 1116 /* On 5753 and variants, GPIO2 cannot be used. */
1117 no_gpio2 = tp->nic_sram_data_cfg &
1118 NIC_SRAM_DATA_CFG_NO_GPIO2;
1119
dc56b7d4 1120 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 1121 GRC_LCLCTRL_GPIO_OE1 |
1122 GRC_LCLCTRL_GPIO_OE2 |
1123 GRC_LCLCTRL_GPIO_OUTPUT1 |
1124 GRC_LCLCTRL_GPIO_OUTPUT2;
1125 if (no_gpio2) {
1126 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1127 GRC_LCLCTRL_GPIO_OUTPUT2);
1128 }
b401e9e2
MC		 1129 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1130 grc_local_ctrl, 100);
1da177e4
LT		 1131
1132 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1133
b401e9e2
MC		 1134 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1135 grc_local_ctrl, 100);
1da177e4
LT		 1136
1137 if (!no_gpio2) {
1138 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 1139 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1140 grc_local_ctrl, 100);
1da177e4
LT		 1141 }
1142 }
1143 } else {
1144 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1145 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1146 if (tp_peer != tp &&
1147 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1148 return;
1149
b401e9e2
MC		 1150 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1151 (GRC_LCLCTRL_GPIO_OE1 |
1152 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 1153
b401e9e2
MC		 1154 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1155 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 1156
b401e9e2
MC		 1157 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1158 (GRC_LCLCTRL_GPIO_OE1 |
1159 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 1160 }
1161 }
1162}
1163
1164static int tg3_setup_phy(struct tg3 *, int);
1165
1166#define RESET_KIND_SHUTDOWN 0
1167#define RESET_KIND_INIT 1
1168#define RESET_KIND_SUSPEND 2
1169
1170static void tg3_write_sig_post_reset(struct tg3 *, int);
1171static int tg3_halt_cpu(struct tg3 *, u32);
6921d201
MC		 1172static int tg3_nvram_lock(struct tg3 *);
1173static void tg3_nvram_unlock(struct tg3 *);
1da177e4 1174
15c3b696
MC		 1175static void tg3_power_down_phy(struct tg3 *tp)
1176{
5129724a
MC		 1177 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1178 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1179 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1180 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1181
1182 sg_dig_ctrl |=
1183 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1184 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1185 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1186 }
3f7045c1 1187 return;
5129724a 1188 }
3f7045c1 1189
60189ddf
MC		 1190 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1191 u32 val;
1192
1193 tg3_bmcr_reset(tp);
1194 val = tr32(GRC_MISC_CFG);
1195 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1196 udelay(40);
1197 return;
1198 } else {
715116a1
MC		 1199 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1200 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1201 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1202 }
3f7045c1 1203
15c3b696
MC		 1204 /* The PHY should not be powered down on some chips because
1205 * of bugs.
1206 */
1207 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1208 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1209 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1210 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1211 return;
1212 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1213}
1214
bc1c7567 1215static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 1216{
1217 u32 misc_host_ctrl;
1218 u16 power_control, power_caps;
1219 int pm = tp->pm_cap;
1220
1221 /* Make sure register accesses (indirect or otherwise)
1222 * will function correctly.
1223 */
1224 pci_write_config_dword(tp->pdev,
1225 TG3PCI_MISC_HOST_CTRL,
1226 tp->misc_host_ctrl);
1227
1228 pci_read_config_word(tp->pdev,
1229 pm + PCI_PM_CTRL,
1230 &power_control);
1231 power_control |= PCI_PM_CTRL_PME_STATUS;
1232 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1233 switch (state) {
bc1c7567 1234 case PCI_D0:
1da177e4
LT		 1235 power_control |= 0;
1236 pci_write_config_word(tp->pdev,
1237 pm + PCI_PM_CTRL,
1238 power_control);
8c6bda1a
MC		 1239 udelay(100); /* Delay after power state change */
1240
9d26e213
MC		 1241 /* Switch out of Vaux if it is a NIC */
1242 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 1243 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 1244
1245 return 0;
1246
bc1c7567 1247 case PCI_D1:
1da177e4
LT		 1248 power_control |= 1;
1249 break;
1250
bc1c7567 1251 case PCI_D2:
1da177e4
LT		 1252 power_control |= 2;
1253 break;
1254
bc1c7567 1255 case PCI_D3hot:
1da177e4
LT		 1256 power_control |= 3;
1257 break;
1258
1259 default:
1260 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1261 "requested.\n",
1262 tp->dev->name, state);
1263 return -EINVAL;
1264 };
1265
1266 power_control |= PCI_PM_CTRL_PME_ENABLE;
1267
1268 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1269 tw32(TG3PCI_MISC_HOST_CTRL,
1270 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1271
1272 if (tp->link_config.phy_is_low_power == 0) {
1273 tp->link_config.phy_is_low_power = 1;
1274 tp->link_config.orig_speed = tp->link_config.speed;
1275 tp->link_config.orig_duplex = tp->link_config.duplex;
1276 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1277 }
1278
747e8f8b 1279 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 1280 tp->link_config.speed = SPEED_10;
1281 tp->link_config.duplex = DUPLEX_HALF;
1282 tp->link_config.autoneg = AUTONEG_ENABLE;
1283 tg3_setup_phy(tp, 0);
1284 }
1285
b5d3772c
MC		 1286 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1287 u32 val;
1288
1289 val = tr32(GRC_VCPU_EXT_CTRL);
1290 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1291 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 1292 int i;
1293 u32 val;
1294
1295 for (i = 0; i < 200; i++) {
1296 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1297 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1298 break;
1299 msleep(1);
1300 }
1301 }
1302 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1303 WOL_DRV_STATE_SHUTDOWN |
1304 WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1305
1da177e4
LT		 1306 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1307
1308 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1309 u32 mac_mode;
1310
1311 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1312 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1313 udelay(40);
1314
3f7045c1
MC		 1315 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1316 mac_mode = MAC_MODE_PORT_MODE_GMII;
1317 else
1318 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4
LT		 1319
1320 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1321 !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1322 mac_mode |= MAC_MODE_LINK_POLARITY;
1323 } else {
1324 mac_mode = MAC_MODE_PORT_MODE_TBI;
1325 }
1326
cbf46853 1327 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 1328 tw32(MAC_LED_CTRL, tp->led_ctrl);
1329
1330 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1331 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1332 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1333
1334 tw32_f(MAC_MODE, mac_mode);
1335 udelay(100);
1336
1337 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1338 udelay(10);
1339 }
1340
1341 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1342 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1343 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1344 u32 base_val;
1345
1346 base_val = tp->pci_clock_ctrl;
1347 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1348 CLOCK_CTRL_TXCLK_DISABLE);
1349
b401e9e2
MC		 1350 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1351 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857
MC		 1352 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1353 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 1354 /* do nothing */
85e94ced 1355 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 1356 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1357 u32 newbits1, newbits2;
1358
1359 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1360 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1361 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1362 CLOCK_CTRL_TXCLK_DISABLE |
1363 CLOCK_CTRL_ALTCLK);
1364 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1365 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1366 newbits1 = CLOCK_CTRL_625_CORE;
1367 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1368 } else {
1369 newbits1 = CLOCK_CTRL_ALTCLK;
1370 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1371 }
1372
b401e9e2
MC		 1373 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1374 40);
1da177e4 1375
b401e9e2
MC		 1376 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1377 40);
1da177e4
LT		 1378
1379 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1380 u32 newbits3;
1381
1382 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1383 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1384 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1385 CLOCK_CTRL_TXCLK_DISABLE |
1386 CLOCK_CTRL_44MHZ_CORE);
1387 } else {
1388 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1389 }
1390
b401e9e2
MC		 1391 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1392 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 1393 }
1394 }
1395
6921d201 1396 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
3f7045c1
MC		 1397 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1398 tg3_power_down_phy(tp);
6921d201 1399
1da177e4
LT		 1400 tg3_frob_aux_power(tp);
1401
1402 /* Workaround for unstable PLL clock */
1403 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1404 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1405 u32 val = tr32(0x7d00);
1406
1407 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1408 tw32(0x7d00, val);
6921d201 1409 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 1410 int err;
1411
1412 err = tg3_nvram_lock(tp);
1da177e4 1413 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 1414 if (!err)
1415 tg3_nvram_unlock(tp);
6921d201 1416 }
1da177e4
LT		 1417 }
1418
bbadf503
MC		 1419 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1420
1da177e4
LT		 1421 /* Finally, set the new power state. */
1422 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
8c6bda1a 1423 udelay(100); /* Delay after power state change */
1da177e4 1424
1da177e4
LT		 1425 return 0;
1426}
1427
1428static void tg3_link_report(struct tg3 *tp)
1429{
1430 if (!netif_carrier_ok(tp->dev)) {
9f88f29f
MC		 1431 if (netif_msg_link(tp))
1432 printk(KERN_INFO PFX "%s: Link is down.\n",
1433 tp->dev->name);
1434 } else if (netif_msg_link(tp)) {
1da177e4
LT		 1435 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1436 tp->dev->name,
1437 (tp->link_config.active_speed == SPEED_1000 ?
1438 1000 :
1439 (tp->link_config.active_speed == SPEED_100 ?
1440 100 : 10)),
1441 (tp->link_config.active_duplex == DUPLEX_FULL ?
1442 "full" : "half"));
1443
1444 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1445 "%s for RX.\n",
1446 tp->dev->name,
1447 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1448 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1449 }
1450}
1451
1452static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1453{
1454 u32 new_tg3_flags = 0;
1455 u32 old_rx_mode = tp->rx_mode;
1456 u32 old_tx_mode = tp->tx_mode;
1457
1458 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
747e8f8b
MC		 1459
1460 /* Convert 1000BaseX flow control bits to 1000BaseT
1461 * bits before resolving flow control.
1462 */
1463 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1464 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1465 ADVERTISE_PAUSE_ASYM);
1466 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1467
1468 if (local_adv & ADVERTISE_1000XPAUSE)
1469 local_adv |= ADVERTISE_PAUSE_CAP;
1470 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1471 local_adv |= ADVERTISE_PAUSE_ASYM;
1472 if (remote_adv & LPA_1000XPAUSE)
1473 remote_adv |= LPA_PAUSE_CAP;
1474 if (remote_adv & LPA_1000XPAUSE_ASYM)
1475 remote_adv |= LPA_PAUSE_ASYM;
1476 }
1477
1da177e4
LT		 1478 if (local_adv & ADVERTISE_PAUSE_CAP) {
1479 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1480 if (remote_adv & LPA_PAUSE_CAP)
1481 new_tg3_flags |=
1482 (TG3_FLAG_RX_PAUSE |
1483 TG3_FLAG_TX_PAUSE);
1484 else if (remote_adv & LPA_PAUSE_ASYM)
1485 new_tg3_flags |=
1486 (TG3_FLAG_RX_PAUSE);
1487 } else {
1488 if (remote_adv & LPA_PAUSE_CAP)
1489 new_tg3_flags |=
1490 (TG3_FLAG_RX_PAUSE |
1491 TG3_FLAG_TX_PAUSE);
1492 }
1493 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1494 if ((remote_adv & LPA_PAUSE_CAP) &&
1495 (remote_adv & LPA_PAUSE_ASYM))
1496 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1497 }
1498
1499 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1500 tp->tg3_flags |= new_tg3_flags;
1501 } else {
1502 new_tg3_flags = tp->tg3_flags;
1503 }
1504
1505 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1506 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1507 else
1508 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1509
1510 if (old_rx_mode != tp->rx_mode) {
1511 tw32_f(MAC_RX_MODE, tp->rx_mode);
1512 }
6aa20a22 1513
1da177e4
LT		 1514 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1515 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1516 else
1517 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1518
1519 if (old_tx_mode != tp->tx_mode) {
1520 tw32_f(MAC_TX_MODE, tp->tx_mode);
1521 }
1522}
1523
1524static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1525{
1526 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1527 case MII_TG3_AUX_STAT_10HALF:
1528 *speed = SPEED_10;
1529 *duplex = DUPLEX_HALF;
1530 break;
1531
1532 case MII_TG3_AUX_STAT_10FULL:
1533 *speed = SPEED_10;
1534 *duplex = DUPLEX_FULL;
1535 break;
1536
1537 case MII_TG3_AUX_STAT_100HALF:
1538 *speed = SPEED_100;
1539 *duplex = DUPLEX_HALF;
1540 break;
1541
1542 case MII_TG3_AUX_STAT_100FULL:
1543 *speed = SPEED_100;
1544 *duplex = DUPLEX_FULL;
1545 break;
1546
1547 case MII_TG3_AUX_STAT_1000HALF:
1548 *speed = SPEED_1000;
1549 *duplex = DUPLEX_HALF;
1550 break;
1551
1552 case MII_TG3_AUX_STAT_1000FULL:
1553 *speed = SPEED_1000;
1554 *duplex = DUPLEX_FULL;
1555 break;
1556
1557 default:
715116a1
MC		 1558 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1559 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1560 SPEED_10;
1561 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1562 DUPLEX_HALF;
1563 break;
1564 }
1da177e4
LT		 1565 *speed = SPEED_INVALID;
1566 *duplex = DUPLEX_INVALID;
1567 break;
1568 };
1569}
1570
1571static void tg3_phy_copper_begin(struct tg3 *tp)
1572{
1573 u32 new_adv;
1574 int i;
1575
1576 if (tp->link_config.phy_is_low_power) {
1577 /* Entering low power mode. Disable gigabit and
1578 * 100baseT advertisements.
1579 */
1580 tg3_writephy(tp, MII_TG3_CTRL, 0);
1581
1582 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1583 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1584 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1585 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1586
1587 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1588 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 1589 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1590 tp->link_config.advertising &=
1591 ~(ADVERTISED_1000baseT_Half |
1592 ADVERTISED_1000baseT_Full);
1593
1594 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1595 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1596 new_adv |= ADVERTISE_10HALF;
1597 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1598 new_adv |= ADVERTISE_10FULL;
1599 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1600 new_adv |= ADVERTISE_100HALF;
1601 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1602 new_adv |= ADVERTISE_100FULL;
1603 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1604
1605 if (tp->link_config.advertising &
1606 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1607 new_adv = 0;
1608 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1609 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1610 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1611 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1612 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1613 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1614 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1615 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1616 MII_TG3_CTRL_ENABLE_AS_MASTER);
1617 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1618 } else {
1619 tg3_writephy(tp, MII_TG3_CTRL, 0);
1620 }
1621 } else {
1622 /* Asking for a specific link mode. */
1623 if (tp->link_config.speed == SPEED_1000) {
1624 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1625 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1626
1627 if (tp->link_config.duplex == DUPLEX_FULL)
1628 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1629 else
1630 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1631 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1632 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1633 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1634 MII_TG3_CTRL_ENABLE_AS_MASTER);
1635 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1636 } else {
1637 tg3_writephy(tp, MII_TG3_CTRL, 0);
1638
1639 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1640 if (tp->link_config.speed == SPEED_100) {
1641 if (tp->link_config.duplex == DUPLEX_FULL)
1642 new_adv |= ADVERTISE_100FULL;
1643 else
1644 new_adv |= ADVERTISE_100HALF;
1645 } else {
1646 if (tp->link_config.duplex == DUPLEX_FULL)
1647 new_adv |= ADVERTISE_10FULL;
1648 else
1649 new_adv |= ADVERTISE_10HALF;
1650 }
1651 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1652 }
1653 }
1654
1655 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1656 tp->link_config.speed != SPEED_INVALID) {
1657 u32 bmcr, orig_bmcr;
1658
1659 tp->link_config.active_speed = tp->link_config.speed;
1660 tp->link_config.active_duplex = tp->link_config.duplex;
1661
1662 bmcr = 0;
1663 switch (tp->link_config.speed) {
1664 default:
1665 case SPEED_10:
1666 break;
1667
1668 case SPEED_100:
1669 bmcr |= BMCR_SPEED100;
1670 break;
1671
1672 case SPEED_1000:
1673 bmcr |= TG3_BMCR_SPEED1000;
1674 break;
1675 };
1676
1677 if (tp->link_config.duplex == DUPLEX_FULL)
1678 bmcr |= BMCR_FULLDPLX;
1679
1680 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1681 (bmcr != orig_bmcr)) {
1682 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1683 for (i = 0; i < 1500; i++) {
1684 u32 tmp;
1685
1686 udelay(10);
1687 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1688 tg3_readphy(tp, MII_BMSR, &tmp))
1689 continue;
1690 if (!(tmp & BMSR_LSTATUS)) {
1691 udelay(40);
1692 break;
1693 }
1694 }
1695 tg3_writephy(tp, MII_BMCR, bmcr);
1696 udelay(40);
1697 }
1698 } else {
1699 tg3_writephy(tp, MII_BMCR,
1700 BMCR_ANENABLE | BMCR_ANRESTART);
1701 }
1702}
1703
1704static int tg3_init_5401phy_dsp(struct tg3 *tp)
1705{
1706 int err;
1707
1708 /* Turn off tap power management. */
1709 /* Set Extended packet length bit */
1710 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1711
1712 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1713 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1714
1715 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1716 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1717
1718 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1719 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1720
1721 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1722 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1723
1724 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1725 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1726
1727 udelay(40);
1728
1729 return err;
1730}
1731
3600d918 1732static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 1733{
3600d918
MC		 1734 u32 adv_reg, all_mask = 0;
1735
1736 if (mask & ADVERTISED_10baseT_Half)
1737 all_mask |= ADVERTISE_10HALF;
1738 if (mask & ADVERTISED_10baseT_Full)
1739 all_mask |= ADVERTISE_10FULL;
1740 if (mask & ADVERTISED_100baseT_Half)
1741 all_mask |= ADVERTISE_100HALF;
1742 if (mask & ADVERTISED_100baseT_Full)
1743 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 1744
1745 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1746 return 0;
1747
1da177e4
LT		 1748 if ((adv_reg & all_mask) != all_mask)
1749 return 0;
1750 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1751 u32 tg3_ctrl;
1752
3600d918
MC		 1753 all_mask = 0;
1754 if (mask & ADVERTISED_1000baseT_Half)
1755 all_mask |= ADVERTISE_1000HALF;
1756 if (mask & ADVERTISED_1000baseT_Full)
1757 all_mask |= ADVERTISE_1000FULL;
1758
1da177e4
LT		 1759 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1760 return 0;
1761
1da177e4
LT		 1762 if ((tg3_ctrl & all_mask) != all_mask)
1763 return 0;
1764 }
1765 return 1;
1766}
1767
1768static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1769{
1770 int current_link_up;
1771 u32 bmsr, dummy;
1772 u16 current_speed;
1773 u8 current_duplex;
1774 int i, err;
1775
1776 tw32(MAC_EVENT, 0);
1777
1778 tw32_f(MAC_STATUS,
1779 (MAC_STATUS_SYNC_CHANGED |
1780 MAC_STATUS_CFG_CHANGED |
1781 MAC_STATUS_MI_COMPLETION |
1782 MAC_STATUS_LNKSTATE_CHANGED));
1783 udelay(40);
1784
1785 tp->mi_mode = MAC_MI_MODE_BASE;
1786 tw32_f(MAC_MI_MODE, tp->mi_mode);
1787 udelay(80);
1788
1789 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1790
1791 /* Some third-party PHYs need to be reset on link going
1792 * down.
1793 */
1794 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1795 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1796 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1797 netif_carrier_ok(tp->dev)) {
1798 tg3_readphy(tp, MII_BMSR, &bmsr);
1799 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1800 !(bmsr & BMSR_LSTATUS))
1801 force_reset = 1;
1802 }
1803 if (force_reset)
1804 tg3_phy_reset(tp);
1805
1806 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1807 tg3_readphy(tp, MII_BMSR, &bmsr);
1808 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1809 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1810 bmsr = 0;
1811
1812 if (!(bmsr & BMSR_LSTATUS)) {
1813 err = tg3_init_5401phy_dsp(tp);
1814 if (err)
1815 return err;
1816
1817 tg3_readphy(tp, MII_BMSR, &bmsr);
1818 for (i = 0; i < 1000; i++) {
1819 udelay(10);
1820 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1821 (bmsr & BMSR_LSTATUS)) {
1822 udelay(40);
1823 break;
1824 }
1825 }
1826
1827 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1828 !(bmsr & BMSR_LSTATUS) &&
1829 tp->link_config.active_speed == SPEED_1000) {
1830 err = tg3_phy_reset(tp);
1831 if (!err)
1832 err = tg3_init_5401phy_dsp(tp);
1833 if (err)
1834 return err;
1835 }
1836 }
1837 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1838 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1839 /* 5701 {A0,B0} CRC bug workaround */
1840 tg3_writephy(tp, 0x15, 0x0a75);
1841 tg3_writephy(tp, 0x1c, 0x8c68);
1842 tg3_writephy(tp, 0x1c, 0x8d68);
1843 tg3_writephy(tp, 0x1c, 0x8c68);
1844 }
1845
1846 /* Clear pending interrupts... */
1847 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1848 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1849
1850 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1851 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
715116a1 1852 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1da177e4
LT		 1853 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1854
1855 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1856 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1857 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1858 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1859 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1860 else
1861 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1862 }
1863
1864 current_link_up = 0;
1865 current_speed = SPEED_INVALID;
1866 current_duplex = DUPLEX_INVALID;
1867
1868 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1869 u32 val;
1870
1871 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1872 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1873 if (!(val & (1 << 10))) {
1874 val |= (1 << 10);
1875 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1876 goto relink;
1877 }
1878 }
1879
1880 bmsr = 0;
1881 for (i = 0; i < 100; i++) {
1882 tg3_readphy(tp, MII_BMSR, &bmsr);
1883 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1884 (bmsr & BMSR_LSTATUS))
1885 break;
1886 udelay(40);
1887 }
1888
1889 if (bmsr & BMSR_LSTATUS) {
1890 u32 aux_stat, bmcr;
1891
1892 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1893 for (i = 0; i < 2000; i++) {
1894 udelay(10);
1895 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1896 aux_stat)
1897 break;
1898 }
1899
1900 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1901 &current_speed,
1902 &current_duplex);
1903
1904 bmcr = 0;
1905 for (i = 0; i < 200; i++) {
1906 tg3_readphy(tp, MII_BMCR, &bmcr);
1907 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1908 continue;
1909 if (bmcr && bmcr != 0x7fff)
1910 break;
1911 udelay(10);
1912 }
1913
1914 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1915 if (bmcr & BMCR_ANENABLE) {
1916 current_link_up = 1;
1917
1918 /* Force autoneg restart if we are exiting
1919 * low power mode.
1920 */
3600d918
MC		 1921 if (!tg3_copper_is_advertising_all(tp,
1922 tp->link_config.advertising))
1da177e4
LT		 1923 current_link_up = 0;
1924 } else {
1925 current_link_up = 0;
1926 }
1927 } else {
1928 if (!(bmcr & BMCR_ANENABLE) &&
1929 tp->link_config.speed == current_speed &&
1930 tp->link_config.duplex == current_duplex) {
1931 current_link_up = 1;
1932 } else {
1933 current_link_up = 0;
1934 }
1935 }
1936
1937 tp->link_config.active_speed = current_speed;
1938 tp->link_config.active_duplex = current_duplex;
1939 }
1940
1941 if (current_link_up == 1 &&
1942 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1943 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1944 u32 local_adv, remote_adv;
1945
1946 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1947 local_adv = 0;
1948 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1949
1950 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1951 remote_adv = 0;
1952
1953 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1954
1955 /* If we are not advertising full pause capability,
1956 * something is wrong. Bring the link down and reconfigure.
1957 */
1958 if (local_adv != ADVERTISE_PAUSE_CAP) {
1959 current_link_up = 0;
1960 } else {
1961 tg3_setup_flow_control(tp, local_adv, remote_adv);
1962 }
1963 }
1964relink:
6921d201 1965 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 1966 u32 tmp;
1967
1968 tg3_phy_copper_begin(tp);
1969
1970 tg3_readphy(tp, MII_BMSR, &tmp);
1971 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1972 (tmp & BMSR_LSTATUS))
1973 current_link_up = 1;
1974 }
1975
1976 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1977 if (current_link_up == 1) {
1978 if (tp->link_config.active_speed == SPEED_100 ||
1979 tp->link_config.active_speed == SPEED_10)
1980 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1981 else
1982 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1983 } else
1984 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1985
1986 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1987 if (tp->link_config.active_duplex == DUPLEX_HALF)
1988 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1989
1990 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1991 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1992 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1993 (current_link_up == 1 &&
1994 tp->link_config.active_speed == SPEED_10))
1995 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1996 } else {
1997 if (current_link_up == 1)
1998 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1999 }
2000
2001 /* ??? Without this setting Netgear GA302T PHY does not
2002 * ??? send/receive packets...
2003 */
2004 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2005 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2006 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2007 tw32_f(MAC_MI_MODE, tp->mi_mode);
2008 udelay(80);
2009 }
2010
2011 tw32_f(MAC_MODE, tp->mac_mode);
2012 udelay(40);
2013
2014 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2015 /* Polled via timer. */
2016 tw32_f(MAC_EVENT, 0);
2017 } else {
2018 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2019 }
2020 udelay(40);
2021
2022 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2023 current_link_up == 1 &&
2024 tp->link_config.active_speed == SPEED_1000 &&
2025 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2026 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2027 udelay(120);
2028 tw32_f(MAC_STATUS,
2029 (MAC_STATUS_SYNC_CHANGED |
2030 MAC_STATUS_CFG_CHANGED));
2031 udelay(40);
2032 tg3_write_mem(tp,
2033 NIC_SRAM_FIRMWARE_MBOX,
2034 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2035 }
2036
2037 if (current_link_up != netif_carrier_ok(tp->dev)) {
2038 if (current_link_up)
2039 netif_carrier_on(tp->dev);
2040 else
2041 netif_carrier_off(tp->dev);
2042 tg3_link_report(tp);
2043 }
2044
2045 return 0;
2046}
2047
2048struct tg3_fiber_aneginfo {
2049 int state;
2050#define ANEG_STATE_UNKNOWN 0
2051#define ANEG_STATE_AN_ENABLE 1
2052#define ANEG_STATE_RESTART_INIT 2
2053#define ANEG_STATE_RESTART 3
2054#define ANEG_STATE_DISABLE_LINK_OK 4
2055#define ANEG_STATE_ABILITY_DETECT_INIT 5
2056#define ANEG_STATE_ABILITY_DETECT 6
2057#define ANEG_STATE_ACK_DETECT_INIT 7
2058#define ANEG_STATE_ACK_DETECT 8
2059#define ANEG_STATE_COMPLETE_ACK_INIT 9
2060#define ANEG_STATE_COMPLETE_ACK 10
2061#define ANEG_STATE_IDLE_DETECT_INIT 11
2062#define ANEG_STATE_IDLE_DETECT 12
2063#define ANEG_STATE_LINK_OK 13
2064#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2065#define ANEG_STATE_NEXT_PAGE_WAIT 15
2066
2067 u32 flags;
2068#define MR_AN_ENABLE 0x00000001
2069#define MR_RESTART_AN 0x00000002
2070#define MR_AN_COMPLETE 0x00000004
2071#define MR_PAGE_RX 0x00000008
2072#define MR_NP_LOADED 0x00000010
2073#define MR_TOGGLE_TX 0x00000020
2074#define MR_LP_ADV_FULL_DUPLEX 0x00000040
2075#define MR_LP_ADV_HALF_DUPLEX 0x00000080
2076#define MR_LP_ADV_SYM_PAUSE 0x00000100
2077#define MR_LP_ADV_ASYM_PAUSE 0x00000200
2078#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2079#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2080#define MR_LP_ADV_NEXT_PAGE 0x00001000
2081#define MR_TOGGLE_RX 0x00002000
2082#define MR_NP_RX 0x00004000
2083
2084#define MR_LINK_OK 0x80000000
2085
2086 unsigned long link_time, cur_time;
2087
2088 u32 ability_match_cfg;
2089 int ability_match_count;
2090
2091 char ability_match, idle_match, ack_match;
2092
2093 u32 txconfig, rxconfig;
2094#define ANEG_CFG_NP 0x00000080
2095#define ANEG_CFG_ACK 0x00000040
2096#define ANEG_CFG_RF2 0x00000020
2097#define ANEG_CFG_RF1 0x00000010
2098#define ANEG_CFG_PS2 0x00000001
2099#define ANEG_CFG_PS1 0x00008000
2100#define ANEG_CFG_HD 0x00004000
2101#define ANEG_CFG_FD 0x00002000
2102#define ANEG_CFG_INVAL 0x00001f06
2103
2104};
2105#define ANEG_OK 0
2106#define ANEG_DONE 1
2107#define ANEG_TIMER_ENAB 2
2108#define ANEG_FAILED -1
2109
2110#define ANEG_STATE_SETTLE_TIME 10000
2111
2112static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2113 struct tg3_fiber_aneginfo *ap)
2114{
2115 unsigned long delta;
2116 u32 rx_cfg_reg;
2117 int ret;
2118
2119 if (ap->state == ANEG_STATE_UNKNOWN) {
2120 ap->rxconfig = 0;
2121 ap->link_time = 0;
2122 ap->cur_time = 0;
2123 ap->ability_match_cfg = 0;
2124 ap->ability_match_count = 0;
2125 ap->ability_match = 0;
2126 ap->idle_match = 0;
2127 ap->ack_match = 0;
2128 }
2129 ap->cur_time++;
2130
2131 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2132 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2133
2134 if (rx_cfg_reg != ap->ability_match_cfg) {
2135 ap->ability_match_cfg = rx_cfg_reg;
2136 ap->ability_match = 0;
2137 ap->ability_match_count = 0;
2138 } else {
2139 if (++ap->ability_match_count > 1) {
2140 ap->ability_match = 1;
2141 ap->ability_match_cfg = rx_cfg_reg;
2142 }
2143 }
2144 if (rx_cfg_reg & ANEG_CFG_ACK)
2145 ap->ack_match = 1;
2146 else
2147 ap->ack_match = 0;
2148
2149 ap->idle_match = 0;
2150 } else {
2151 ap->idle_match = 1;
2152 ap->ability_match_cfg = 0;
2153 ap->ability_match_count = 0;
2154 ap->ability_match = 0;
2155 ap->ack_match = 0;
2156
2157 rx_cfg_reg = 0;
2158 }
2159
2160 ap->rxconfig = rx_cfg_reg;
2161 ret = ANEG_OK;
2162
2163 switch(ap->state) {
2164 case ANEG_STATE_UNKNOWN:
2165 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2166 ap->state = ANEG_STATE_AN_ENABLE;
2167
2168 /* fallthru */
2169 case ANEG_STATE_AN_ENABLE:
2170 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2171 if (ap->flags & MR_AN_ENABLE) {
2172 ap->link_time = 0;
2173 ap->cur_time = 0;
2174 ap->ability_match_cfg = 0;
2175 ap->ability_match_count = 0;
2176 ap->ability_match = 0;
2177 ap->idle_match = 0;
2178 ap->ack_match = 0;
2179
2180 ap->state = ANEG_STATE_RESTART_INIT;
2181 } else {
2182 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2183 }
2184 break;
2185
2186 case ANEG_STATE_RESTART_INIT:
2187 ap->link_time = ap->cur_time;
2188 ap->flags &= ~(MR_NP_LOADED);
2189 ap->txconfig = 0;
2190 tw32(MAC_TX_AUTO_NEG, 0);
2191 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2192 tw32_f(MAC_MODE, tp->mac_mode);
2193 udelay(40);
2194
2195 ret = ANEG_TIMER_ENAB;
2196 ap->state = ANEG_STATE_RESTART;
2197
2198 /* fallthru */
2199 case ANEG_STATE_RESTART:
2200 delta = ap->cur_time - ap->link_time;
2201 if (delta > ANEG_STATE_SETTLE_TIME) {
2202 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2203 } else {
2204 ret = ANEG_TIMER_ENAB;
2205 }
2206 break;
2207
2208 case ANEG_STATE_DISABLE_LINK_OK:
2209 ret = ANEG_DONE;
2210 break;
2211
2212 case ANEG_STATE_ABILITY_DETECT_INIT:
2213 ap->flags &= ~(MR_TOGGLE_TX);
2214 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2215 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2216 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2217 tw32_f(MAC_MODE, tp->mac_mode);
2218 udelay(40);
2219
2220 ap->state = ANEG_STATE_ABILITY_DETECT;
2221 break;
2222
2223 case ANEG_STATE_ABILITY_DETECT:
2224 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2225 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2226 }
2227 break;
2228
2229 case ANEG_STATE_ACK_DETECT_INIT:
2230 ap->txconfig |= ANEG_CFG_ACK;
2231 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2232 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2233 tw32_f(MAC_MODE, tp->mac_mode);
2234 udelay(40);
2235
2236 ap->state = ANEG_STATE_ACK_DETECT;
2237
2238 /* fallthru */
2239 case ANEG_STATE_ACK_DETECT:
2240 if (ap->ack_match != 0) {
2241 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2242 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2243 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2244 } else {
2245 ap->state = ANEG_STATE_AN_ENABLE;
2246 }
2247 } else if (ap->ability_match != 0 &&
2248 ap->rxconfig == 0) {
2249 ap->state = ANEG_STATE_AN_ENABLE;
2250 }
2251 break;
2252
2253 case ANEG_STATE_COMPLETE_ACK_INIT:
2254 if (ap->rxconfig & ANEG_CFG_INVAL) {
2255 ret = ANEG_FAILED;
2256 break;
2257 }
2258 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2259 MR_LP_ADV_HALF_DUPLEX |
2260 MR_LP_ADV_SYM_PAUSE |
2261 MR_LP_ADV_ASYM_PAUSE |
2262 MR_LP_ADV_REMOTE_FAULT1 |
2263 MR_LP_ADV_REMOTE_FAULT2 |
2264 MR_LP_ADV_NEXT_PAGE |
2265 MR_TOGGLE_RX |
2266 MR_NP_RX);
2267 if (ap->rxconfig & ANEG_CFG_FD)
2268 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2269 if (ap->rxconfig & ANEG_CFG_HD)
2270 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2271 if (ap->rxconfig & ANEG_CFG_PS1)
2272 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2273 if (ap->rxconfig & ANEG_CFG_PS2)
2274 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2275 if (ap->rxconfig & ANEG_CFG_RF1)
2276 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2277 if (ap->rxconfig & ANEG_CFG_RF2)
2278 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2279 if (ap->rxconfig & ANEG_CFG_NP)
2280 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2281
2282 ap->link_time = ap->cur_time;
2283
2284 ap->flags ^= (MR_TOGGLE_TX);
2285 if (ap->rxconfig & 0x0008)
2286 ap->flags |= MR_TOGGLE_RX;
2287 if (ap->rxconfig & ANEG_CFG_NP)
2288 ap->flags |= MR_NP_RX;
2289 ap->flags |= MR_PAGE_RX;
2290
2291 ap->state = ANEG_STATE_COMPLETE_ACK;
2292 ret = ANEG_TIMER_ENAB;
2293 break;
2294
2295 case ANEG_STATE_COMPLETE_ACK:
2296 if (ap->ability_match != 0 &&
2297 ap->rxconfig == 0) {
2298 ap->state = ANEG_STATE_AN_ENABLE;
2299 break;
2300 }
2301 delta = ap->cur_time - ap->link_time;
2302 if (delta > ANEG_STATE_SETTLE_TIME) {
2303 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2304 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2305 } else {
2306 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2307 !(ap->flags & MR_NP_RX)) {
2308 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2309 } else {
2310 ret = ANEG_FAILED;
2311 }
2312 }
2313 }
2314 break;
2315
2316 case ANEG_STATE_IDLE_DETECT_INIT:
2317 ap->link_time = ap->cur_time;
2318 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2319 tw32_f(MAC_MODE, tp->mac_mode);
2320 udelay(40);
2321
2322 ap->state = ANEG_STATE_IDLE_DETECT;
2323 ret = ANEG_TIMER_ENAB;
2324 break;
2325
2326 case ANEG_STATE_IDLE_DETECT:
2327 if (ap->ability_match != 0 &&
2328 ap->rxconfig == 0) {
2329 ap->state = ANEG_STATE_AN_ENABLE;
2330 break;
2331 }
2332 delta = ap->cur_time - ap->link_time;
2333 if (delta > ANEG_STATE_SETTLE_TIME) {
2334 /* XXX another gem from the Broadcom driver :( */
2335 ap->state = ANEG_STATE_LINK_OK;
2336 }
2337 break;
2338
2339 case ANEG_STATE_LINK_OK:
2340 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2341 ret = ANEG_DONE;
2342 break;
2343
2344 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2345 /* ??? unimplemented */
2346 break;
2347
2348 case ANEG_STATE_NEXT_PAGE_WAIT:
2349 /* ??? unimplemented */
2350 break;
2351
2352 default:
2353 ret = ANEG_FAILED;
2354 break;
2355 };
2356
2357 return ret;
2358}
2359
2360static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2361{
2362 int res = 0;
2363 struct tg3_fiber_aneginfo aninfo;
2364 int status = ANEG_FAILED;
2365 unsigned int tick;
2366 u32 tmp;
2367
2368 tw32_f(MAC_TX_AUTO_NEG, 0);
2369
2370 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2371 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2372 udelay(40);
2373
2374 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2375 udelay(40);
2376
2377 memset(&aninfo, 0, sizeof(aninfo));
2378 aninfo.flags |= MR_AN_ENABLE;
2379 aninfo.state = ANEG_STATE_UNKNOWN;
2380 aninfo.cur_time = 0;
2381 tick = 0;
2382 while (++tick < 195000) {
2383 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2384 if (status == ANEG_DONE || status == ANEG_FAILED)
2385 break;
2386
2387 udelay(1);
2388 }
2389
2390 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2391 tw32_f(MAC_MODE, tp->mac_mode);
2392 udelay(40);
2393
2394 *flags = aninfo.flags;
2395
2396 if (status == ANEG_DONE &&
2397 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2398 MR_LP_ADV_FULL_DUPLEX)))
2399 res = 1;
2400
2401 return res;
2402}
2403
2404static void tg3_init_bcm8002(struct tg3 *tp)
2405{
2406 u32 mac_status = tr32(MAC_STATUS);
2407 int i;
2408
2409 /* Reset when initting first time or we have a link. */
2410 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2411 !(mac_status & MAC_STATUS_PCS_SYNCED))
2412 return;
2413
2414 /* Set PLL lock range. */
2415 tg3_writephy(tp, 0x16, 0x8007);
2416
2417 /* SW reset */
2418 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2419
2420 /* Wait for reset to complete. */
2421 /* XXX schedule_timeout() ... */
2422 for (i = 0; i < 500; i++)
2423 udelay(10);
2424
2425 /* Config mode; select PMA/Ch 1 regs. */
2426 tg3_writephy(tp, 0x10, 0x8411);
2427
2428 /* Enable auto-lock and comdet, select txclk for tx. */
2429 tg3_writephy(tp, 0x11, 0x0a10);
2430
2431 tg3_writephy(tp, 0x18, 0x00a0);
2432 tg3_writephy(tp, 0x16, 0x41ff);
2433
2434 /* Assert and deassert POR. */
2435 tg3_writephy(tp, 0x13, 0x0400);
2436 udelay(40);
2437 tg3_writephy(tp, 0x13, 0x0000);
2438
2439 tg3_writephy(tp, 0x11, 0x0a50);
2440 udelay(40);
2441 tg3_writephy(tp, 0x11, 0x0a10);
2442
2443 /* Wait for signal to stabilize */
2444 /* XXX schedule_timeout() ... */
2445 for (i = 0; i < 15000; i++)
2446 udelay(10);
2447
2448 /* Deselect the channel register so we can read the PHYID
2449 * later.
2450 */
2451 tg3_writephy(tp, 0x10, 0x8011);
2452}
2453
2454static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2455{
2456 u32 sg_dig_ctrl, sg_dig_status;
2457 u32 serdes_cfg, expected_sg_dig_ctrl;
2458 int workaround, port_a;
2459 int current_link_up;
2460
2461 serdes_cfg = 0;
2462 expected_sg_dig_ctrl = 0;
2463 workaround = 0;
2464 port_a = 1;
2465 current_link_up = 0;
2466
2467 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2468 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2469 workaround = 1;
2470 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2471 port_a = 0;
2472
2473 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2474 /* preserve bits 20-23 for voltage regulator */
2475 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2476 }
2477
2478 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2479
2480 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2481 if (sg_dig_ctrl & (1 << 31)) {
2482 if (workaround) {
2483 u32 val = serdes_cfg;
2484
2485 if (port_a)
2486 val |= 0xc010000;
2487 else
2488 val |= 0x4010000;
2489 tw32_f(MAC_SERDES_CFG, val);
2490 }
2491 tw32_f(SG_DIG_CTRL, 0x01388400);
2492 }
2493 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2494 tg3_setup_flow_control(tp, 0, 0);
2495 current_link_up = 1;
2496 }
2497 goto out;
2498 }
2499
2500 /* Want auto-negotiation. */
2501 expected_sg_dig_ctrl = 0x81388400;
2502
2503 /* Pause capability */
2504 expected_sg_dig_ctrl |= (1 << 11);
2505
2506 /* Asymettric pause */
2507 expected_sg_dig_ctrl |= (1 << 12);
2508
2509 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 2510 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2511 tp->serdes_counter &&
2512 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2513 MAC_STATUS_RCVD_CFG)) ==
2514 MAC_STATUS_PCS_SYNCED)) {
2515 tp->serdes_counter--;
2516 current_link_up = 1;
2517 goto out;
2518 }
2519restart_autoneg:
1da177e4
LT		 2520 if (workaround)
2521 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2522 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2523 udelay(5);
2524 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2525
3d3ebe74
MC		 2526 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2527 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2528 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2529 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 2530 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 2531 mac_status = tr32(MAC_STATUS);
2532
2533 if ((sg_dig_status & (1 << 1)) &&
2534 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2535 u32 local_adv, remote_adv;
2536
2537 local_adv = ADVERTISE_PAUSE_CAP;
2538 remote_adv = 0;
2539 if (sg_dig_status & (1 << 19))
2540 remote_adv |= LPA_PAUSE_CAP;
2541 if (sg_dig_status & (1 << 20))
2542 remote_adv |= LPA_PAUSE_ASYM;
2543
2544 tg3_setup_flow_control(tp, local_adv, remote_adv);
2545 current_link_up = 1;
3d3ebe74
MC		 2546 tp->serdes_counter = 0;
2547 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4 2548 } else if (!(sg_dig_status & (1 << 1))) {
3d3ebe74
MC		 2549 if (tp->serdes_counter)
2550 tp->serdes_counter--;
1da177e4
LT		 2551 else {
2552 if (workaround) {
2553 u32 val = serdes_cfg;
2554
2555 if (port_a)
2556 val |= 0xc010000;
2557 else
2558 val |= 0x4010000;
2559
2560 tw32_f(MAC_SERDES_CFG, val);
2561 }
2562
2563 tw32_f(SG_DIG_CTRL, 0x01388400);
2564 udelay(40);
2565
2566 /* Link parallel detection - link is up */
2567 /* only if we have PCS_SYNC and not */
2568 /* receiving config code words */
2569 mac_status = tr32(MAC_STATUS);
2570 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2571 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2572 tg3_setup_flow_control(tp, 0, 0);
2573 current_link_up = 1;
3d3ebe74
MC		 2574 tp->tg3_flags2 |=
2575 TG3_FLG2_PARALLEL_DETECT;
2576 tp->serdes_counter =
2577 SERDES_PARALLEL_DET_TIMEOUT;
2578 } else
2579 goto restart_autoneg;
1da177e4
LT		 2580 }
2581 }
3d3ebe74
MC		 2582 } else {
2583 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2584 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2585 }
2586
2587out:
2588 return current_link_up;
2589}
2590
2591static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2592{
2593 int current_link_up = 0;
2594
2595 if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2596 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2597 goto out;
2598 }
2599
2600 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2601 u32 flags;
2602 int i;
6aa20a22 2603
1da177e4
LT		 2604 if (fiber_autoneg(tp, &flags)) {
2605 u32 local_adv, remote_adv;
2606
2607 local_adv = ADVERTISE_PAUSE_CAP;
2608 remote_adv = 0;
2609 if (flags & MR_LP_ADV_SYM_PAUSE)
2610 remote_adv |= LPA_PAUSE_CAP;
2611 if (flags & MR_LP_ADV_ASYM_PAUSE)
2612 remote_adv |= LPA_PAUSE_ASYM;
2613
2614 tg3_setup_flow_control(tp, local_adv, remote_adv);
2615
2616 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2617 current_link_up = 1;
2618 }
2619 for (i = 0; i < 30; i++) {
2620 udelay(20);
2621 tw32_f(MAC_STATUS,
2622 (MAC_STATUS_SYNC_CHANGED |
2623 MAC_STATUS_CFG_CHANGED));
2624 udelay(40);
2625 if ((tr32(MAC_STATUS) &
2626 (MAC_STATUS_SYNC_CHANGED |
2627 MAC_STATUS_CFG_CHANGED)) == 0)
2628 break;
2629 }
2630
2631 mac_status = tr32(MAC_STATUS);
2632 if (current_link_up == 0 &&
2633 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2634 !(mac_status & MAC_STATUS_RCVD_CFG))
2635 current_link_up = 1;
2636 } else {
2637 /* Forcing 1000FD link up. */
2638 current_link_up = 1;
2639 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2640
2641 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2642 udelay(40);
2643 }
2644
2645out:
2646 return current_link_up;
2647}
2648
2649static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2650{
2651 u32 orig_pause_cfg;
2652 u16 orig_active_speed;
2653 u8 orig_active_duplex;
2654 u32 mac_status;
2655 int current_link_up;
2656 int i;
2657
2658 orig_pause_cfg =
2659 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2660 TG3_FLAG_TX_PAUSE));
2661 orig_active_speed = tp->link_config.active_speed;
2662 orig_active_duplex = tp->link_config.active_duplex;
2663
2664 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2665 netif_carrier_ok(tp->dev) &&
2666 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2667 mac_status = tr32(MAC_STATUS);
2668 mac_status &= (MAC_STATUS_PCS_SYNCED |
2669 MAC_STATUS_SIGNAL_DET |
2670 MAC_STATUS_CFG_CHANGED |
2671 MAC_STATUS_RCVD_CFG);
2672 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2673 MAC_STATUS_SIGNAL_DET)) {
2674 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2675 MAC_STATUS_CFG_CHANGED));
2676 return 0;
2677 }
2678 }
2679
2680 tw32_f(MAC_TX_AUTO_NEG, 0);
2681
2682 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2683 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2684 tw32_f(MAC_MODE, tp->mac_mode);
2685 udelay(40);
2686
2687 if (tp->phy_id == PHY_ID_BCM8002)
2688 tg3_init_bcm8002(tp);
2689
2690 /* Enable link change event even when serdes polling. */
2691 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2692 udelay(40);
2693
2694 current_link_up = 0;
2695 mac_status = tr32(MAC_STATUS);
2696
2697 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2698 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2699 else
2700 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2701
2702 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2703 tw32_f(MAC_MODE, tp->mac_mode);
2704 udelay(40);
2705
2706 tp->hw_status->status =
2707 (SD_STATUS_UPDATED |
2708 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2709
2710 for (i = 0; i < 100; i++) {
2711 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2712 MAC_STATUS_CFG_CHANGED));
2713 udelay(5);
2714 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 2715 MAC_STATUS_CFG_CHANGED |
2716 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 2717 break;
2718 }
2719
2720 mac_status = tr32(MAC_STATUS);
2721 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2722 current_link_up = 0;
3d3ebe74
MC		 2723 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2724 tp->serdes_counter == 0) {
1da177e4
LT		 2725 tw32_f(MAC_MODE, (tp->mac_mode |
2726 MAC_MODE_SEND_CONFIGS));
2727 udelay(1);
2728 tw32_f(MAC_MODE, tp->mac_mode);
2729 }
2730 }
2731
2732 if (current_link_up == 1) {
2733 tp->link_config.active_speed = SPEED_1000;
2734 tp->link_config.active_duplex = DUPLEX_FULL;
2735 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2736 LED_CTRL_LNKLED_OVERRIDE |
2737 LED_CTRL_1000MBPS_ON));
2738 } else {
2739 tp->link_config.active_speed = SPEED_INVALID;
2740 tp->link_config.active_duplex = DUPLEX_INVALID;
2741 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2742 LED_CTRL_LNKLED_OVERRIDE |
2743 LED_CTRL_TRAFFIC_OVERRIDE));
2744 }
2745
2746 if (current_link_up != netif_carrier_ok(tp->dev)) {
2747 if (current_link_up)
2748 netif_carrier_on(tp->dev);
2749 else
2750 netif_carrier_off(tp->dev);
2751 tg3_link_report(tp);
2752 } else {
2753 u32 now_pause_cfg =
2754 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2755 TG3_FLAG_TX_PAUSE);
2756 if (orig_pause_cfg != now_pause_cfg ||
2757 orig_active_speed != tp->link_config.active_speed ||
2758 orig_active_duplex != tp->link_config.active_duplex)
2759 tg3_link_report(tp);
2760 }
2761
2762 return 0;
2763}
2764
747e8f8b
MC		 2765static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2766{
2767 int current_link_up, err = 0;
2768 u32 bmsr, bmcr;
2769 u16 current_speed;
2770 u8 current_duplex;
2771
2772 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2773 tw32_f(MAC_MODE, tp->mac_mode);
2774 udelay(40);
2775
2776 tw32(MAC_EVENT, 0);
2777
2778 tw32_f(MAC_STATUS,
2779 (MAC_STATUS_SYNC_CHANGED |
2780 MAC_STATUS_CFG_CHANGED |
2781 MAC_STATUS_MI_COMPLETION |
2782 MAC_STATUS_LNKSTATE_CHANGED));
2783 udelay(40);
2784
2785 if (force_reset)
2786 tg3_phy_reset(tp);
2787
2788 current_link_up = 0;
2789 current_speed = SPEED_INVALID;
2790 current_duplex = DUPLEX_INVALID;
2791
2792 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2793 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2795 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2796 bmsr |= BMSR_LSTATUS;
2797 else
2798 bmsr &= ~BMSR_LSTATUS;
2799 }
747e8f8b
MC		 2800
2801 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2802
2803 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2804 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2805 /* do nothing, just check for link up at the end */
2806 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2807 u32 adv, new_adv;
2808
2809 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2810 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2811 ADVERTISE_1000XPAUSE |
2812 ADVERTISE_1000XPSE_ASYM |
2813 ADVERTISE_SLCT);
2814
2815 /* Always advertise symmetric PAUSE just like copper */
2816 new_adv |= ADVERTISE_1000XPAUSE;
2817
2818 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2819 new_adv |= ADVERTISE_1000XHALF;
2820 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2821 new_adv |= ADVERTISE_1000XFULL;
2822
2823 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2824 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2825 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2826 tg3_writephy(tp, MII_BMCR, bmcr);
2827
2828 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 2829 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 2830 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2831
2832 return err;
2833 }
2834 } else {
2835 u32 new_bmcr;
2836
2837 bmcr &= ~BMCR_SPEED1000;
2838 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2839
2840 if (tp->link_config.duplex == DUPLEX_FULL)
2841 new_bmcr |= BMCR_FULLDPLX;
2842
2843 if (new_bmcr != bmcr) {
2844 /* BMCR_SPEED1000 is a reserved bit that needs
2845 * to be set on write.
2846 */
2847 new_bmcr |= BMCR_SPEED1000;
2848
2849 /* Force a linkdown */
2850 if (netif_carrier_ok(tp->dev)) {
2851 u32 adv;
2852
2853 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2854 adv &= ~(ADVERTISE_1000XFULL |
2855 ADVERTISE_1000XHALF |
2856 ADVERTISE_SLCT);
2857 tg3_writephy(tp, MII_ADVERTISE, adv);
2858 tg3_writephy(tp, MII_BMCR, bmcr |
2859 BMCR_ANRESTART |
2860 BMCR_ANENABLE);
2861 udelay(10);
2862 netif_carrier_off(tp->dev);
2863 }
2864 tg3_writephy(tp, MII_BMCR, new_bmcr);
2865 bmcr = new_bmcr;
2866 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2867 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2868 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2869 ASIC_REV_5714) {
2870 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2871 bmsr |= BMSR_LSTATUS;
2872 else
2873 bmsr &= ~BMSR_LSTATUS;
2874 }
747e8f8b
MC		 2875 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2876 }
2877 }
2878
2879 if (bmsr & BMSR_LSTATUS) {
2880 current_speed = SPEED_1000;
2881 current_link_up = 1;
2882 if (bmcr & BMCR_FULLDPLX)
2883 current_duplex = DUPLEX_FULL;
2884 else
2885 current_duplex = DUPLEX_HALF;
2886
2887 if (bmcr & BMCR_ANENABLE) {
2888 u32 local_adv, remote_adv, common;
2889
2890 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2891 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2892 common = local_adv & remote_adv;
2893 if (common & (ADVERTISE_1000XHALF |
2894 ADVERTISE_1000XFULL)) {
2895 if (common & ADVERTISE_1000XFULL)
2896 current_duplex = DUPLEX_FULL;
2897 else
2898 current_duplex = DUPLEX_HALF;
2899
2900 tg3_setup_flow_control(tp, local_adv,
2901 remote_adv);
2902 }
2903 else
2904 current_link_up = 0;
2905 }
2906 }
2907
2908 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2909 if (tp->link_config.active_duplex == DUPLEX_HALF)
2910 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2911
2912 tw32_f(MAC_MODE, tp->mac_mode);
2913 udelay(40);
2914
2915 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2916
2917 tp->link_config.active_speed = current_speed;
2918 tp->link_config.active_duplex = current_duplex;
2919
2920 if (current_link_up != netif_carrier_ok(tp->dev)) {
2921 if (current_link_up)
2922 netif_carrier_on(tp->dev);
2923 else {
2924 netif_carrier_off(tp->dev);
2925 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2926 }
2927 tg3_link_report(tp);
2928 }
2929 return err;
2930}
2931
2932static void tg3_serdes_parallel_detect(struct tg3 *tp)
2933{
3d3ebe74 2934 if (tp->serdes_counter) {
747e8f8b 2935 /* Give autoneg time to complete. */
3d3ebe74 2936 tp->serdes_counter--;
747e8f8b
MC		 2937 return;
2938 }
2939 if (!netif_carrier_ok(tp->dev) &&
2940 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2941 u32 bmcr;
2942
2943 tg3_readphy(tp, MII_BMCR, &bmcr);
2944 if (bmcr & BMCR_ANENABLE) {
2945 u32 phy1, phy2;
2946
2947 /* Select shadow register 0x1f */
2948 tg3_writephy(tp, 0x1c, 0x7c00);
2949 tg3_readphy(tp, 0x1c, &phy1);
2950
2951 /* Select expansion interrupt status register */
2952 tg3_writephy(tp, 0x17, 0x0f01);
2953 tg3_readphy(tp, 0x15, &phy2);
2954 tg3_readphy(tp, 0x15, &phy2);
2955
2956 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2957 /* We have signal detect and not receiving
2958 * config code words, link is up by parallel
2959 * detection.
2960 */
2961
2962 bmcr &= ~BMCR_ANENABLE;
2963 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2964 tg3_writephy(tp, MII_BMCR, bmcr);
2965 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2966 }
2967 }
2968 }
2969 else if (netif_carrier_ok(tp->dev) &&
2970 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2971 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2972 u32 phy2;
2973
2974 /* Select expansion interrupt status register */
2975 tg3_writephy(tp, 0x17, 0x0f01);
2976 tg3_readphy(tp, 0x15, &phy2);
2977 if (phy2 & 0x20) {
2978 u32 bmcr;
2979
2980 /* Config code words received, turn on autoneg. */
2981 tg3_readphy(tp, MII_BMCR, &bmcr);
2982 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2983
2984 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2985
2986 }
2987 }
2988}
2989
1da177e4
LT		 2990static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2991{
2992 int err;
2993
2994 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2995 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 2996 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2997 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 2998 } else {
2999 err = tg3_setup_copper_phy(tp, force_reset);
3000 }
3001
3002 if (tp->link_config.active_speed == SPEED_1000 &&
3003 tp->link_config.active_duplex == DUPLEX_HALF)
3004 tw32(MAC_TX_LENGTHS,
3005 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3006 (6 << TX_LENGTHS_IPG_SHIFT) |
3007 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3008 else
3009 tw32(MAC_TX_LENGTHS,
3010 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3011 (6 << TX_LENGTHS_IPG_SHIFT) |
3012 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3013
3014 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3015 if (netif_carrier_ok(tp->dev)) {
3016 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 3017 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 3018 } else {
3019 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3020 }
3021 }
3022
3023 return err;
3024}
3025
df3e6548
MC		 3026/* This is called whenever we suspect that the system chipset is re-
3027 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3028 * is bogus tx completions. We try to recover by setting the
3029 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3030 * in the workqueue.
3031 */
3032static void tg3_tx_recover(struct tg3 *tp)
3033{
3034 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3035 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3036
3037 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3038 "mapped I/O cycles to the network device, attempting to "
3039 "recover. Please report the problem to the driver maintainer "
3040 "and include system chipset information.\n", tp->dev->name);
3041
3042 spin_lock(&tp->lock);
df3e6548 3043 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 3044 spin_unlock(&tp->lock);
3045}
3046
1b2a7205
MC		 3047static inline u32 tg3_tx_avail(struct tg3 *tp)
3048{
3049 smp_mb();
3050 return (tp->tx_pending -
3051 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3052}
3053
1da177e4
LT		 3054/* Tigon3 never reports partial packet sends. So we do not
3055 * need special logic to handle SKBs that have not had all
3056 * of their frags sent yet, like SunGEM does.
3057 */
3058static void tg3_tx(struct tg3 *tp)
3059{
3060 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3061 u32 sw_idx = tp->tx_cons;
3062
3063 while (sw_idx != hw_idx) {
3064 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3065 struct sk_buff *skb = ri->skb;
df3e6548
MC		 3066 int i, tx_bug = 0;
3067
3068 if (unlikely(skb == NULL)) {
3069 tg3_tx_recover(tp);
3070 return;
3071 }
1da177e4 3072
1da177e4
LT		 3073 pci_unmap_single(tp->pdev,
3074 pci_unmap_addr(ri, mapping),
3075 skb_headlen(skb),
3076 PCI_DMA_TODEVICE);
3077
3078 ri->skb = NULL;
3079
3080 sw_idx = NEXT_TX(sw_idx);
3081
3082 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
1da177e4 3083 ri = &tp->tx_buffers[sw_idx];
df3e6548
MC		 3084 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3085 tx_bug = 1;
1da177e4
LT		 3086
3087 pci_unmap_page(tp->pdev,
3088 pci_unmap_addr(ri, mapping),
3089 skb_shinfo(skb)->frags[i].size,
3090 PCI_DMA_TODEVICE);
3091
3092 sw_idx = NEXT_TX(sw_idx);
3093 }
3094
f47c11ee 3095 dev_kfree_skb(skb);
df3e6548
MC		 3096
3097 if (unlikely(tx_bug)) {
3098 tg3_tx_recover(tp);
3099 return;
3100 }
1da177e4
LT		 3101 }
3102
3103 tp->tx_cons = sw_idx;
3104
1b2a7205
MC		 3105 /* Need to make the tx_cons update visible to tg3_start_xmit()
3106 * before checking for netif_queue_stopped(). Without the
3107 * memory barrier, there is a small possibility that tg3_start_xmit()
3108 * will miss it and cause the queue to be stopped forever.
3109 */
3110 smp_mb();
3111
3112 if (unlikely(netif_queue_stopped(tp->dev) &&
42952231 3113 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
1b2a7205 3114 netif_tx_lock(tp->dev);
51b91468 3115 if (netif_queue_stopped(tp->dev) &&
42952231 3116 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
51b91468 3117 netif_wake_queue(tp->dev);
1b2a7205 3118 netif_tx_unlock(tp->dev);
51b91468 3119 }
1da177e4
LT		 3120}
3121
3122/* Returns size of skb allocated or < 0 on error.
3123 *
3124 * We only need to fill in the address because the other members
3125 * of the RX descriptor are invariant, see tg3_init_rings.
3126 *
3127 * Note the purposeful assymetry of cpu vs. chip accesses. For
3128 * posting buffers we only dirty the first cache line of the RX
3129 * descriptor (containing the address). Whereas for the RX status
3130 * buffers the cpu only reads the last cacheline of the RX descriptor
3131 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3132 */
3133static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3134 int src_idx, u32 dest_idx_unmasked)
3135{
3136 struct tg3_rx_buffer_desc *desc;
3137 struct ring_info *map, *src_map;
3138 struct sk_buff *skb;
3139 dma_addr_t mapping;
3140 int skb_size, dest_idx;
3141
3142 src_map = NULL;
3143 switch (opaque_key) {
3144 case RXD_OPAQUE_RING_STD:
3145 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3146 desc = &tp->rx_std[dest_idx];
3147 map = &tp->rx_std_buffers[dest_idx];
3148 if (src_idx >= 0)
3149 src_map = &tp->rx_std_buffers[src_idx];
7e72aad4 3150 skb_size = tp->rx_pkt_buf_sz;
1da177e4
LT		 3151 break;
3152
3153 case RXD_OPAQUE_RING_JUMBO:
3154 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3155 desc = &tp->rx_jumbo[dest_idx];
3156 map = &tp->rx_jumbo_buffers[dest_idx];
3157 if (src_idx >= 0)
3158 src_map = &tp->rx_jumbo_buffers[src_idx];
3159 skb_size = RX_JUMBO_PKT_BUF_SZ;
3160 break;
3161
3162 default:
3163 return -EINVAL;
3164 };
3165
3166 /* Do not overwrite any of the map or rp information
3167 * until we are sure we can commit to a new buffer.
3168 *
3169 * Callers depend upon this behavior and assume that
3170 * we leave everything unchanged if we fail.
3171 */
a20e9c62 3172 skb = netdev_alloc_skb(tp->dev, skb_size);
1da177e4
LT		 3173 if (skb == NULL)
3174 return -ENOMEM;
3175
1da177e4
LT		 3176 skb_reserve(skb, tp->rx_offset);
3177
3178 mapping = pci_map_single(tp->pdev, skb->data,
3179 skb_size - tp->rx_offset,
3180 PCI_DMA_FROMDEVICE);
3181
3182 map->skb = skb;
3183 pci_unmap_addr_set(map, mapping, mapping);
3184
3185 if (src_map != NULL)
3186 src_map->skb = NULL;
3187
3188 desc->addr_hi = ((u64)mapping >> 32);
3189 desc->addr_lo = ((u64)mapping & 0xffffffff);
3190
3191 return skb_size;
3192}
3193
3194/* We only need to move over in the address because the other
3195 * members of the RX descriptor are invariant. See notes above
3196 * tg3_alloc_rx_skb for full details.
3197 */
3198static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3199 int src_idx, u32 dest_idx_unmasked)
3200{
3201 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3202 struct ring_info *src_map, *dest_map;
3203 int dest_idx;
3204
3205 switch (opaque_key) {
3206 case RXD_OPAQUE_RING_STD:
3207 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3208 dest_desc = &tp->rx_std[dest_idx];
3209 dest_map = &tp->rx_std_buffers[dest_idx];
3210 src_desc = &tp->rx_std[src_idx];
3211 src_map = &tp->rx_std_buffers[src_idx];
3212 break;
3213
3214 case RXD_OPAQUE_RING_JUMBO:
3215 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3216 dest_desc = &tp->rx_jumbo[dest_idx];
3217 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3218 src_desc = &tp->rx_jumbo[src_idx];
3219 src_map = &tp->rx_jumbo_buffers[src_idx];
3220 break;
3221
3222 default:
3223 return;
3224 };
3225
3226 dest_map->skb = src_map->skb;
3227 pci_unmap_addr_set(dest_map, mapping,
3228 pci_unmap_addr(src_map, mapping));
3229 dest_desc->addr_hi = src_desc->addr_hi;
3230 dest_desc->addr_lo = src_desc->addr_lo;
3231
3232 src_map->skb = NULL;
3233}
3234
3235#if TG3_VLAN_TAG_USED
3236static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3237{
3238 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3239}
3240#endif
3241
3242/* The RX ring scheme is composed of multiple rings which post fresh
3243 * buffers to the chip, and one special ring the chip uses to report
3244 * status back to the host.
3245 *
3246 * The special ring reports the status of received packets to the
3247 * host. The chip does not write into the original descriptor the
3248 * RX buffer was obtained from. The chip simply takes the original
3249 * descriptor as provided by the host, updates the status and length
3250 * field, then writes this into the next status ring entry.
3251 *
3252 * Each ring the host uses to post buffers to the chip is described
3253 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3254 * it is first placed into the on-chip ram. When the packet's length
3255 * is known, it walks down the TG3_BDINFO entries to select the ring.
3256 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3257 * which is within the range of the new packet's length is chosen.
3258 *
3259 * The "separate ring for rx status" scheme may sound queer, but it makes
3260 * sense from a cache coherency perspective. If only the host writes
3261 * to the buffer post rings, and only the chip writes to the rx status
3262 * rings, then cache lines never move beyond shared-modified state.
3263 * If both the host and chip were to write into the same ring, cache line
3264 * eviction could occur since both entities want it in an exclusive state.
3265 */
3266static int tg3_rx(struct tg3 *tp, int budget)
3267{
f92905de 3268 u32 work_mask, rx_std_posted = 0;
483ba50b
MC		 3269 u32 sw_idx = tp->rx_rcb_ptr;
3270 u16 hw_idx;
1da177e4
LT		 3271 int received;
3272
3273 hw_idx = tp->hw_status->idx[0].rx_producer;
3274 /*
3275 * We need to order the read of hw_idx and the read of
3276 * the opaque cookie.
3277 */
3278 rmb();
1da177e4
LT		 3279 work_mask = 0;
3280 received = 0;
3281 while (sw_idx != hw_idx && budget > 0) {
3282 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3283 unsigned int len;
3284 struct sk_buff *skb;
3285 dma_addr_t dma_addr;
3286 u32 opaque_key, desc_idx, *post_ptr;
3287
3288 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3289 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3290 if (opaque_key == RXD_OPAQUE_RING_STD) {
3291 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3292 mapping);
3293 skb = tp->rx_std_buffers[desc_idx].skb;
3294 post_ptr = &tp->rx_std_ptr;
f92905de 3295 rx_std_posted++;
1da177e4
LT		 3296 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3297 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3298 mapping);
3299 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3300 post_ptr = &tp->rx_jumbo_ptr;
3301 }
3302 else {
3303 goto next_pkt_nopost;
3304 }
3305
3306 work_mask |= opaque_key;
3307
3308 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3309 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3310 drop_it:
3311 tg3_recycle_rx(tp, opaque_key,
3312 desc_idx, *post_ptr);
3313 drop_it_no_recycle:
3314 /* Other statistics kept track of by card. */
3315 tp->net_stats.rx_dropped++;
3316 goto next_pkt;
3317 }
3318
3319 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3320
6aa20a22 3321 if (len > RX_COPY_THRESHOLD
1da177e4
LT		 3322 && tp->rx_offset == 2
3323 /* rx_offset != 2 iff this is a 5701 card running
3324 * in PCI-X mode [see tg3_get_invariants()] */
3325 ) {
3326 int skb_size;
3327
3328 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3329 desc_idx, *post_ptr);
3330 if (skb_size < 0)
3331 goto drop_it;
3332
3333 pci_unmap_single(tp->pdev, dma_addr,
3334 skb_size - tp->rx_offset,
3335 PCI_DMA_FROMDEVICE);
3336
3337 skb_put(skb, len);
3338 } else {
3339 struct sk_buff *copy_skb;
3340
3341 tg3_recycle_rx(tp, opaque_key,
3342 desc_idx, *post_ptr);
3343
a20e9c62 3344 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
1da177e4
LT		 3345 if (copy_skb == NULL)
3346 goto drop_it_no_recycle;
3347
1da177e4
LT		 3348 skb_reserve(copy_skb, 2);
3349 skb_put(copy_skb, len);
3350 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3351 memcpy(copy_skb->data, skb->data, len);
3352 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3353
3354 /* We'll reuse the original ring buffer. */
3355 skb = copy_skb;
3356 }
3357
3358 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3359 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3360 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3361 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3362 skb->ip_summed = CHECKSUM_UNNECESSARY;
3363 else
3364 skb->ip_summed = CHECKSUM_NONE;
3365
3366 skb->protocol = eth_type_trans(skb, tp->dev);
3367#if TG3_VLAN_TAG_USED
3368 if (tp->vlgrp != NULL &&
3369 desc->type_flags & RXD_FLAG_VLAN) {
3370 tg3_vlan_rx(tp, skb,
3371 desc->err_vlan & RXD_VLAN_MASK);
3372 } else
3373#endif
3374 netif_receive_skb(skb);
3375
3376 tp->dev->last_rx = jiffies;
3377 received++;
3378 budget--;
3379
3380next_pkt:
3381 (*post_ptr)++;
f92905de
MC		 3382
3383 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3384 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3385
3386 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3387 TG3_64BIT_REG_LOW, idx);
3388 work_mask &= ~RXD_OPAQUE_RING_STD;
3389 rx_std_posted = 0;
3390 }
1da177e4 3391next_pkt_nopost:
483ba50b 3392 sw_idx++;
6b31a515 3393 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 3394
3395 /* Refresh hw_idx to see if there is new work */
3396 if (sw_idx == hw_idx) {
3397 hw_idx = tp->hw_status->idx[0].rx_producer;
3398 rmb();
3399 }
1da177e4
LT		 3400 }
3401
3402 /* ACK the status ring. */
483ba50b
MC		 3403 tp->rx_rcb_ptr = sw_idx;
3404 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
1da177e4
LT		 3405
3406 /* Refill RX ring(s). */
3407 if (work_mask & RXD_OPAQUE_RING_STD) {
3408 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3409 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3410 sw_idx);
3411 }
3412 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3413 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3414 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3415 sw_idx);
3416 }
3417 mmiowb();
3418
3419 return received;
3420}
3421
3422static int tg3_poll(struct net_device *netdev, int *budget)
3423{
3424 struct tg3 *tp = netdev_priv(netdev);
3425 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3426 int done;
3427
1da177e4
LT		 3428 /* handle link change and other phy events */
3429 if (!(tp->tg3_flags &
3430 (TG3_FLAG_USE_LINKCHG_REG |
3431 TG3_FLAG_POLL_SERDES))) {
3432 if (sblk->status & SD_STATUS_LINK_CHG) {
3433 sblk->status = SD_STATUS_UPDATED |
3434 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 3435 spin_lock(&tp->lock);
1da177e4 3436 tg3_setup_phy(tp, 0);
f47c11ee 3437 spin_unlock(&tp->lock);
1da177e4
LT		 3438 }
3439 }
3440
3441 /* run TX completion thread */
3442 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
1da177e4 3443 tg3_tx(tp);
df3e6548
MC		 3444 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3445 netif_rx_complete(netdev);
3446 schedule_work(&tp->reset_task);
3447 return 0;
3448 }
1da177e4
LT		 3449 }
3450
1da177e4
LT		 3451 /* run RX thread, within the bounds set by NAPI.
3452 * All RX "locking" is done by ensuring outside
3453 * code synchronizes with dev->poll()
3454 */
1da177e4
LT		 3455 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3456 int orig_budget = *budget;
3457 int work_done;
3458
3459 if (orig_budget > netdev->quota)
3460 orig_budget = netdev->quota;
3461
3462 work_done = tg3_rx(tp, orig_budget);
3463
3464 *budget -= work_done;
3465 netdev->quota -= work_done;
1da177e4
LT		 3466 }
3467
38f3843e 3468 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
f7383c22 3469 tp->last_tag = sblk->status_tag;
38f3843e
MC		 3470 rmb();
3471 } else
3472 sblk->status &= ~SD_STATUS_UPDATED;
f7383c22 3473
1da177e4 3474 /* if no more work, tell net stack and NIC we're done */
f7383c22 3475 done = !tg3_has_work(tp);
1da177e4 3476 if (done) {
f47c11ee 3477 netif_rx_complete(netdev);
1da177e4 3478 tg3_restart_ints(tp);
1da177e4
LT		 3479 }
3480
3481 return (done ? 0 : 1);
3482}
3483
f47c11ee
DM		 3484static void tg3_irq_quiesce(struct tg3 *tp)
3485{
3486 BUG_ON(tp->irq_sync);
3487
3488 tp->irq_sync = 1;
3489 smp_mb();
3490
3491 synchronize_irq(tp->pdev->irq);
3492}
3493
3494static inline int tg3_irq_sync(struct tg3 *tp)
3495{
3496 return tp->irq_sync;
3497}
3498
3499/* Fully shutdown all tg3 driver activity elsewhere in the system.
3500 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3501 * with as well. Most of the time, this is not necessary except when
3502 * shutting down the device.
3503 */
3504static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3505{
3506 if (irq_sync)
3507 tg3_irq_quiesce(tp);
3508 spin_lock_bh(&tp->lock);
f47c11ee
DM		 3509}
3510
3511static inline void tg3_full_unlock(struct tg3 *tp)
3512{
f47c11ee
DM		 3513 spin_unlock_bh(&tp->lock);
3514}
3515
fcfa0a32
MC		 3516/* One-shot MSI handler - Chip automatically disables interrupt
3517 * after sending MSI so driver doesn't have to do it.
3518 */
7d12e780 3519static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32
MC		 3520{
3521 struct net_device *dev = dev_id;
3522 struct tg3 *tp = netdev_priv(dev);
3523
3524 prefetch(tp->hw_status);
3525 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3526
3527 if (likely(!tg3_irq_sync(tp)))
3528 netif_rx_schedule(dev); /* schedule NAPI poll */
3529
3530 return IRQ_HANDLED;
3531}
3532
88b06bc2
MC		 3533/* MSI ISR - No need to check for interrupt sharing and no need to
3534 * flush status block and interrupt mailbox. PCI ordering rules
3535 * guarantee that MSI will arrive after the status block.
3536 */
7d12e780 3537static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2
MC		 3538{
3539 struct net_device *dev = dev_id;
3540 struct tg3 *tp = netdev_priv(dev);
88b06bc2 3541
61487480
MC		 3542 prefetch(tp->hw_status);
3543 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
88b06bc2 3544 /*
fac9b83e 3545 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 3546 * chip-internal interrupt pending events.
fac9b83e 3547 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 3548 * NIC to stop sending us irqs, engaging "in-intr-handler"
3549 * event coalescing.
3550 */
3551 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 3552 if (likely(!tg3_irq_sync(tp)))
88b06bc2 3553 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3554
88b06bc2
MC		 3555 return IRQ_RETVAL(1);
3556}
3557
7d12e780 3558static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4
LT		 3559{
3560 struct net_device *dev = dev_id;
3561 struct tg3 *tp = netdev_priv(dev);
3562 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3563 unsigned int handled = 1;
3564
1da177e4
LT		 3565 /* In INTx mode, it is possible for the interrupt to arrive at
3566 * the CPU before the status block posted prior to the interrupt.
3567 * Reading the PCI State register will confirm whether the
3568 * interrupt is ours and will flush the status block.
3569 */
d18edcb2
MC		 3570 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3571 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3572 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3573 handled = 0;
f47c11ee 3574 goto out;
fac9b83e 3575 }
d18edcb2
MC		 3576 }
3577
3578 /*
3579 * Writing any value to intr-mbox-0 clears PCI INTA# and
3580 * chip-internal interrupt pending events.
3581 * Writing non-zero to intr-mbox-0 additional tells the
3582 * NIC to stop sending us irqs, engaging "in-intr-handler"
3583 * event coalescing.
3584 */
3585 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3586 if (tg3_irq_sync(tp))
3587 goto out;
3588 sblk->status &= ~SD_STATUS_UPDATED;
3589 if (likely(tg3_has_work(tp))) {
3590 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3591 netif_rx_schedule(dev); /* schedule NAPI poll */
3592 } else {
3593 /* No work, shared interrupt perhaps? re-enable
3594 * interrupts, and flush that PCI write
3595 */
3596 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3597 0x00000000);
fac9b83e 3598 }
f47c11ee 3599out:
fac9b83e
DM		 3600 return IRQ_RETVAL(handled);
3601}
3602
7d12e780 3603static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e
DM		 3604{
3605 struct net_device *dev = dev_id;
3606 struct tg3 *tp = netdev_priv(dev);
3607 struct tg3_hw_status *sblk = tp->hw_status;
fac9b83e
DM		 3608 unsigned int handled = 1;
3609
fac9b83e
DM		 3610 /* In INTx mode, it is possible for the interrupt to arrive at
3611 * the CPU before the status block posted prior to the interrupt.
3612 * Reading the PCI State register will confirm whether the
3613 * interrupt is ours and will flush the status block.
3614 */
d18edcb2
MC		 3615 if (unlikely(sblk->status_tag == tp->last_tag)) {
3616 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3617 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3618 handled = 0;
f47c11ee 3619 goto out;
1da177e4 3620 }
d18edcb2
MC		 3621 }
3622
3623 /*
3624 * writing any value to intr-mbox-0 clears PCI INTA# and
3625 * chip-internal interrupt pending events.
3626 * writing non-zero to intr-mbox-0 additional tells the
3627 * NIC to stop sending us irqs, engaging "in-intr-handler"
3628 * event coalescing.
3629 */
3630 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3631 if (tg3_irq_sync(tp))
3632 goto out;
3633 if (netif_rx_schedule_prep(dev)) {
3634 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3635 /* Update last_tag to mark that this status has been
3636 * seen. Because interrupt may be shared, we may be
3637 * racing with tg3_poll(), so only update last_tag
3638 * if tg3_poll() is not scheduled.
3639 */
3640 tp->last_tag = sblk->status_tag;
3641 __netif_rx_schedule(dev);
1da177e4 3642 }
f47c11ee 3643out:
1da177e4
LT		 3644 return IRQ_RETVAL(handled);
3645}
3646
7938109f 3647/* ISR for interrupt test */
7d12e780 3648static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f
MC		 3649{
3650 struct net_device *dev = dev_id;
3651 struct tg3 *tp = netdev_priv(dev);
3652 struct tg3_hw_status *sblk = tp->hw_status;
3653
f9804ddb
MC		 3654 if ((sblk->status & SD_STATUS_UPDATED) ||
3655 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 3656 tg3_disable_ints(tp);
7938109f
MC		 3657 return IRQ_RETVAL(1);
3658 }
3659 return IRQ_RETVAL(0);
3660}
3661
8e7a22e3 3662static int tg3_init_hw(struct tg3 *, int);
944d980e 3663static int tg3_halt(struct tg3 *, int, int);
1da177e4 3664
b9ec6c1b
MC		 3665/* Restart hardware after configuration changes, self-test, etc.
3666 * Invoked with tp->lock held.
3667 */
3668static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3669{
3670 int err;
3671
3672 err = tg3_init_hw(tp, reset_phy);
3673 if (err) {
3674 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3675 "aborting.\n", tp->dev->name);
3676 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3677 tg3_full_unlock(tp);
3678 del_timer_sync(&tp->timer);
3679 tp->irq_sync = 0;
3680 netif_poll_enable(tp->dev);
3681 dev_close(tp->dev);
3682 tg3_full_lock(tp, 0);
3683 }
3684 return err;
3685}
3686
1da177e4
LT		 3687#ifdef CONFIG_NET_POLL_CONTROLLER
3688static void tg3_poll_controller(struct net_device *dev)
3689{
88b06bc2
MC		 3690 struct tg3 *tp = netdev_priv(dev);
3691
7d12e780 3692 tg3_interrupt(tp->pdev->irq, dev);
1da177e4
LT		 3693}
3694#endif
3695
c4028958 3696static void tg3_reset_task(struct work_struct *work)
1da177e4 3697{
c4028958 3698 struct tg3 *tp = container_of(work, struct tg3, reset_task);
1da177e4
LT		 3699 unsigned int restart_timer;
3700
7faa006f
MC		 3701 tg3_full_lock(tp, 0);
3702 tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3703
3704 if (!netif_running(tp->dev)) {
3705 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3706 tg3_full_unlock(tp);
3707 return;
3708 }
3709
3710 tg3_full_unlock(tp);
3711
1da177e4
LT		 3712 tg3_netif_stop(tp);
3713
f47c11ee 3714 tg3_full_lock(tp, 1);
1da177e4
LT		 3715
3716 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3717 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3718
df3e6548
MC		 3719 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3720 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3721 tp->write32_rx_mbox = tg3_write_flush_reg32;
3722 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3723 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3724 }
3725
944d980e 3726 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b9ec6c1b
MC		 3727 if (tg3_init_hw(tp, 1))
3728 goto out;
1da177e4
LT		 3729
3730 tg3_netif_start(tp);
3731
1da177e4
LT		 3732 if (restart_timer)
3733 mod_timer(&tp->timer, jiffies + 1);
7faa006f 3734
b9ec6c1b 3735out:
7faa006f
MC		 3736 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3737
3738 tg3_full_unlock(tp);
1da177e4
LT		 3739}
3740
b0408751
MC		 3741static void tg3_dump_short_state(struct tg3 *tp)
3742{
3743 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3744 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3745 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3746 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3747}
3748
1da177e4
LT		 3749static void tg3_tx_timeout(struct net_device *dev)
3750{
3751 struct tg3 *tp = netdev_priv(dev);
3752
b0408751 3753 if (netif_msg_tx_err(tp)) {
9f88f29f
MC		 3754 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3755 dev->name);
b0408751
MC		 3756 tg3_dump_short_state(tp);
3757 }
1da177e4
LT		 3758
3759 schedule_work(&tp->reset_task);
3760}
3761
c58ec932
MC		 3762/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3763static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3764{
3765 u32 base = (u32) mapping & 0xffffffff;
3766
3767 return ((base > 0xffffdcc0) &&
3768 (base + len + 8 < base));
3769}
3770
72f2afb8
MC		 3771/* Test for DMA addresses > 40-bit */
3772static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3773 int len)
3774{
3775#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 3776 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
72f2afb8
MC		 3777 return (((u64) mapping + len) > DMA_40BIT_MASK);
3778 return 0;
3779#else
3780 return 0;
3781#endif
3782}
3783
1da177e4
LT		 3784static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3785
72f2afb8
MC		 3786/* Workaround 4GB and 40-bit hardware DMA bugs. */
3787static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
c58ec932
MC		 3788 u32 last_plus_one, u32 *start,
3789 u32 base_flags, u32 mss)
1da177e4
LT		 3790{
3791 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
c58ec932 3792 dma_addr_t new_addr = 0;
1da177e4 3793 u32 entry = *start;
c58ec932 3794 int i, ret = 0;
1da177e4
LT		 3795
3796 if (!new_skb) {
c58ec932
MC		 3797 ret = -1;
3798 } else {
3799 /* New SKB is guaranteed to be linear. */
3800 entry = *start;
3801 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3802 PCI_DMA_TODEVICE);
3803 /* Make sure new skb does not cross any 4G boundaries.
3804 * Drop the packet if it does.
3805 */
3806 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3807 ret = -1;
3808 dev_kfree_skb(new_skb);
3809 new_skb = NULL;
3810 } else {
3811 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3812 base_flags, 1 | (mss << 1));
3813 *start = NEXT_TX(entry);
3814 }
1da177e4
LT		 3815 }
3816
1da177e4
LT		 3817 /* Now clean up the sw ring entries. */
3818 i = 0;
3819 while (entry != last_plus_one) {
3820 int len;
3821
3822 if (i == 0)
3823 len = skb_headlen(skb);
3824 else
3825 len = skb_shinfo(skb)->frags[i-1].size;
3826 pci_unmap_single(tp->pdev,
3827 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3828 len, PCI_DMA_TODEVICE);
3829 if (i == 0) {
3830 tp->tx_buffers[entry].skb = new_skb;
3831 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3832 } else {
3833 tp->tx_buffers[entry].skb = NULL;
3834 }
3835 entry = NEXT_TX(entry);
3836 i++;
3837 }
3838
3839 dev_kfree_skb(skb);
3840
c58ec932 3841 return ret;
1da177e4
LT		 3842}
3843
3844static void tg3_set_txd(struct tg3 *tp, int entry,
3845 dma_addr_t mapping, int len, u32 flags,
3846 u32 mss_and_is_end)
3847{
3848 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3849 int is_end = (mss_and_is_end & 0x1);
3850 u32 mss = (mss_and_is_end >> 1);
3851 u32 vlan_tag = 0;
3852
3853 if (is_end)
3854 flags |= TXD_FLAG_END;
3855 if (flags & TXD_FLAG_VLAN) {
3856 vlan_tag = flags >> 16;
3857 flags &= 0xffff;
3858 }
3859 vlan_tag |= (mss << TXD_MSS_SHIFT);
3860
3861 txd->addr_hi = ((u64) mapping >> 32);
3862 txd->addr_lo = ((u64) mapping & 0xffffffff);
3863 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3864 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3865}
3866
5a6f3074
MC		 3867/* hard_start_xmit for devices that don't have any bugs and
3868 * support TG3_FLG2_HW_TSO_2 only.
3869 */
1da177e4 3870static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5a6f3074
MC		 3871{
3872 struct tg3 *tp = netdev_priv(dev);
3873 dma_addr_t mapping;
3874 u32 len, entry, base_flags, mss;
3875
3876 len = skb_headlen(skb);
3877
00b70504
MC		 3878 /* We are running in BH disabled context with netif_tx_lock
3879 * and TX reclaim runs via tp->poll inside of a software
5a6f3074
MC		 3880 * interrupt. Furthermore, IRQ processing runs lockless so we have
3881 * no IRQ context deadlocks to worry about either. Rejoice!
3882 */
1b2a7205 3883 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5a6f3074
MC		 3884 if (!netif_queue_stopped(dev)) {
3885 netif_stop_queue(dev);
3886
3887 /* This is a hard error, log it. */
3888 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3889 "queue awake!\n", dev->name);
3890 }
5a6f3074
MC		 3891 return NETDEV_TX_BUSY;
3892 }
3893
3894 entry = tp->tx_prod;
3895 base_flags = 0;
5a6f3074
MC		 3896 mss = 0;
3897 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 3898 (mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074
MC		 3899 int tcp_opt_len, ip_tcp_len;
3900
3901 if (skb_header_cloned(skb) &&
3902 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3903 dev_kfree_skb(skb);
3904 goto out_unlock;
3905 }
3906
b0026624
MC		 3907 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3908 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3909 else {
3910 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3911 ip_tcp_len = (skb->nh.iph->ihl * 4) +
3912 sizeof(struct tcphdr);
3913
3914 skb->nh.iph->check = 0;
3915 skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3916 tcp_opt_len);
3917 mss |= (ip_tcp_len + tcp_opt_len) << 9;
3918 }
5a6f3074
MC		 3919
3920 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3921 TXD_FLAG_CPU_POST_DMA);
3922
5a6f3074
MC		 3923 skb->h.th->check = 0;
3924
5a6f3074 3925 }
84fa7933 3926 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 3927 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 3928#if TG3_VLAN_TAG_USED
3929 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3930 base_flags |= (TXD_FLAG_VLAN |
3931 (vlan_tx_tag_get(skb) << 16));
3932#endif
3933
3934 /* Queue skb data, a.k.a. the main skb fragment. */
3935 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3936
3937 tp->tx_buffers[entry].skb = skb;
3938 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3939
3940 tg3_set_txd(tp, entry, mapping, len, base_flags,
3941 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3942
3943 entry = NEXT_TX(entry);
3944
3945 /* Now loop through additional data fragments, and queue them. */
3946 if (skb_shinfo(skb)->nr_frags > 0) {
3947 unsigned int i, last;
3948
3949 last = skb_shinfo(skb)->nr_frags - 1;
3950 for (i = 0; i <= last; i++) {
3951 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3952
3953 len = frag->size;
3954 mapping = pci_map_page(tp->pdev,
3955 frag->page,
3956 frag->page_offset,
3957 len, PCI_DMA_TODEVICE);
3958
3959 tp->tx_buffers[entry].skb = NULL;
3960 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3961
3962 tg3_set_txd(tp, entry, mapping, len,
3963 base_flags, (i == last) | (mss << 1));
3964
3965 entry = NEXT_TX(entry);
3966 }
3967 }
3968
3969 /* Packets are ready, update Tx producer idx local and on card. */
3970 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3971
3972 tp->tx_prod = entry;
1b2a7205 3973 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5a6f3074 3974 netif_stop_queue(dev);
42952231 3975 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5a6f3074
MC		 3976 netif_wake_queue(tp->dev);
3977 }
3978
3979out_unlock:
3980 mmiowb();
5a6f3074
MC		 3981
3982 dev->trans_start = jiffies;
3983
3984 return NETDEV_TX_OK;
3985}
3986
52c0fd83
MC		 3987static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3988
3989/* Use GSO to workaround a rare TSO bug that may be triggered when the
3990 * TSO header is greater than 80 bytes.
3991 */
3992static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3993{
3994 struct sk_buff *segs, *nskb;
3995
3996 /* Estimate the number of fragments in the worst case */
1b2a7205 3997 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
52c0fd83 3998 netif_stop_queue(tp->dev);
7f62ad5d
MC		 3999 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4000 return NETDEV_TX_BUSY;
4001
4002 netif_wake_queue(tp->dev);
52c0fd83
MC		 4003 }
4004
4005 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4006 if (unlikely(IS_ERR(segs)))
4007 goto tg3_tso_bug_end;
4008
4009 do {
4010 nskb = segs;
4011 segs = segs->next;
4012 nskb->next = NULL;
4013 tg3_start_xmit_dma_bug(nskb, tp->dev);
4014 } while (segs);
4015
4016tg3_tso_bug_end:
4017 dev_kfree_skb(skb);
4018
4019 return NETDEV_TX_OK;
4020}
52c0fd83 4021
5a6f3074
MC		 4022/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4023 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4024 */
4025static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
1da177e4
LT		 4026{
4027 struct tg3 *tp = netdev_priv(dev);
4028 dma_addr_t mapping;
1da177e4
LT		 4029 u32 len, entry, base_flags, mss;
4030 int would_hit_hwbug;
1da177e4
LT		 4031
4032 len = skb_headlen(skb);
4033
00b70504
MC		 4034 /* We are running in BH disabled context with netif_tx_lock
4035 * and TX reclaim runs via tp->poll inside of a software
f47c11ee
DM		 4036 * interrupt. Furthermore, IRQ processing runs lockless so we have
4037 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 4038 */
1b2a7205 4039 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
1f064a87
SH		 4040 if (!netif_queue_stopped(dev)) {
4041 netif_stop_queue(dev);
4042
4043 /* This is a hard error, log it. */
4044 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4045 "queue awake!\n", dev->name);
4046 }
1da177e4
LT		 4047 return NETDEV_TX_BUSY;
4048 }
4049
4050 entry = tp->tx_prod;
4051 base_flags = 0;
84fa7933 4052 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 4053 base_flags |= TXD_FLAG_TCPUDP_CSUM;
1da177e4
LT		 4054 mss = 0;
4055 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 4056 (mss = skb_shinfo(skb)->gso_size) != 0) {
52c0fd83 4057 int tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 4058
4059 if (skb_header_cloned(skb) &&
4060 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4061 dev_kfree_skb(skb);
4062 goto out_unlock;
4063 }
4064
4065 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4066 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4067
52c0fd83
MC		 4068 hdr_len = ip_tcp_len + tcp_opt_len;
4069 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
7f62ad5d 4070 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
52c0fd83
MC		 4071 return (tg3_tso_bug(tp, skb));
4072
1da177e4
LT		 4073 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4074 TXD_FLAG_CPU_POST_DMA);
4075
4076 skb->nh.iph->check = 0;
52c0fd83 4077 skb->nh.iph->tot_len = htons(mss + hdr_len);
1da177e4
LT		 4078 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4079 skb->h.th->check = 0;
4080 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4081 }
4082 else {
4083 skb->h.th->check =
4084 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4085 skb->nh.iph->daddr,
4086 0, IPPROTO_TCP, 0);
4087 }
4088
4089 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4090 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4091 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4092 int tsflags;
4093
4094 tsflags = ((skb->nh.iph->ihl - 5) +
4095 (tcp_opt_len >> 2));
4096 mss |= (tsflags << 11);
4097 }
4098 } else {
4099 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4100 int tsflags;
4101
4102 tsflags = ((skb->nh.iph->ihl - 5) +
4103 (tcp_opt_len >> 2));
4104 base_flags |= tsflags << 12;
4105 }
4106 }
4107 }
1da177e4
LT		 4108#if TG3_VLAN_TAG_USED
4109 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4110 base_flags |= (TXD_FLAG_VLAN |
4111 (vlan_tx_tag_get(skb) << 16));
4112#endif
4113
4114 /* Queue skb data, a.k.a. the main skb fragment. */
4115 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4116
4117 tp->tx_buffers[entry].skb = skb;
4118 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4119
4120 would_hit_hwbug = 0;
4121
4122 if (tg3_4g_overflow_test(mapping, len))
c58ec932 4123 would_hit_hwbug = 1;
1da177e4
LT		 4124
4125 tg3_set_txd(tp, entry, mapping, len, base_flags,
4126 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4127
4128 entry = NEXT_TX(entry);
4129
4130 /* Now loop through additional data fragments, and queue them. */
4131 if (skb_shinfo(skb)->nr_frags > 0) {
4132 unsigned int i, last;
4133
4134 last = skb_shinfo(skb)->nr_frags - 1;
4135 for (i = 0; i <= last; i++) {
4136 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4137
4138 len = frag->size;
4139 mapping = pci_map_page(tp->pdev,
4140 frag->page,
4141 frag->page_offset,
4142 len, PCI_DMA_TODEVICE);
4143
4144 tp->tx_buffers[entry].skb = NULL;
4145 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4146
c58ec932
MC		 4147 if (tg3_4g_overflow_test(mapping, len))
4148 would_hit_hwbug = 1;
1da177e4 4149
72f2afb8
MC		 4150 if (tg3_40bit_overflow_test(tp, mapping, len))
4151 would_hit_hwbug = 1;
4152
1da177e4
LT		 4153 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4154 tg3_set_txd(tp, entry, mapping, len,
4155 base_flags, (i == last)|(mss << 1));
4156 else
4157 tg3_set_txd(tp, entry, mapping, len,
4158 base_flags, (i == last));
4159
4160 entry = NEXT_TX(entry);
4161 }
4162 }
4163
4164 if (would_hit_hwbug) {
4165 u32 last_plus_one = entry;
4166 u32 start;
1da177e4 4167
c58ec932
MC		 4168 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4169 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 4170
4171 /* If the workaround fails due to memory/mapping
4172 * failure, silently drop this packet.
4173 */
72f2afb8 4174 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
c58ec932 4175 &start, base_flags, mss))
1da177e4
LT		 4176 goto out_unlock;
4177
4178 entry = start;
4179 }
4180
4181 /* Packets are ready, update Tx producer idx local and on card. */
4182 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4183
4184 tp->tx_prod = entry;
1b2a7205 4185 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
1da177e4 4186 netif_stop_queue(dev);
42952231 4187 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
51b91468
MC		 4188 netif_wake_queue(tp->dev);
4189 }
1da177e4
LT		 4190
4191out_unlock:
4192 mmiowb();
1da177e4
LT		 4193
4194 dev->trans_start = jiffies;
4195
4196 return NETDEV_TX_OK;
4197}
4198
4199static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4200 int new_mtu)
4201{
4202 dev->mtu = new_mtu;
4203
ef7f5ec0 4204 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 4205 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 4206 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4207 ethtool_op_set_tso(dev, 0);
4208 }
4209 else
4210 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4211 } else {
a4e2b347 4212 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 4213 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 4214 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 4215 }
1da177e4
LT		 4216}
4217
4218static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4219{
4220 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 4221 int err;
1da177e4
LT		 4222
4223 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4224 return -EINVAL;
4225
4226 if (!netif_running(dev)) {
4227 /* We'll just catch it later when the
4228 * device is up'd.
4229 */
4230 tg3_set_mtu(dev, tp, new_mtu);
4231 return 0;
4232 }
4233
4234 tg3_netif_stop(tp);
f47c11ee
DM		 4235
4236 tg3_full_lock(tp, 1);
1da177e4 4237
944d980e 4238 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 4239
4240 tg3_set_mtu(dev, tp, new_mtu);
4241
b9ec6c1b 4242 err = tg3_restart_hw(tp, 0);
1da177e4 4243
b9ec6c1b
MC		 4244 if (!err)
4245 tg3_netif_start(tp);
1da177e4 4246
f47c11ee 4247 tg3_full_unlock(tp);
1da177e4 4248
b9ec6c1b 4249 return err;
1da177e4
LT		 4250}
4251
4252/* Free up pending packets in all rx/tx rings.
4253 *
4254 * The chip has been shut down and the driver detached from
4255 * the networking, so no interrupts or new tx packets will
4256 * end up in the driver. tp->{tx,}lock is not held and we are not
4257 * in an interrupt context and thus may sleep.
4258 */
4259static void tg3_free_rings(struct tg3 *tp)
4260{
4261 struct ring_info *rxp;
4262 int i;
4263
4264 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4265 rxp = &tp->rx_std_buffers[i];
4266
4267 if (rxp->skb == NULL)
4268 continue;
4269 pci_unmap_single(tp->pdev,
4270 pci_unmap_addr(rxp, mapping),
7e72aad4 4271 tp->rx_pkt_buf_sz - tp->rx_offset,
1da177e4
LT		 4272 PCI_DMA_FROMDEVICE);
4273 dev_kfree_skb_any(rxp->skb);
4274 rxp->skb = NULL;
4275 }
4276
4277 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4278 rxp = &tp->rx_jumbo_buffers[i];
4279
4280 if (rxp->skb == NULL)
4281 continue;
4282 pci_unmap_single(tp->pdev,
4283 pci_unmap_addr(rxp, mapping),
4284 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4285 PCI_DMA_FROMDEVICE);
4286 dev_kfree_skb_any(rxp->skb);
4287 rxp->skb = NULL;
4288 }
4289
4290 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4291 struct tx_ring_info *txp;
4292 struct sk_buff *skb;
4293 int j;
4294
4295 txp = &tp->tx_buffers[i];
4296 skb = txp->skb;
4297
4298 if (skb == NULL) {
4299 i++;
4300 continue;
4301 }
4302
4303 pci_unmap_single(tp->pdev,
4304 pci_unmap_addr(txp, mapping),
4305 skb_headlen(skb),
4306 PCI_DMA_TODEVICE);
4307 txp->skb = NULL;
4308
4309 i++;
4310
4311 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4312 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4313 pci_unmap_page(tp->pdev,
4314 pci_unmap_addr(txp, mapping),
4315 skb_shinfo(skb)->frags[j].size,
4316 PCI_DMA_TODEVICE);
4317 i++;
4318 }
4319
4320 dev_kfree_skb_any(skb);
4321 }
4322}
4323
4324/* Initialize tx/rx rings for packet processing.
4325 *
4326 * The chip has been shut down and the driver detached from
4327 * the networking, so no interrupts or new tx packets will
4328 * end up in the driver. tp->{tx,}lock are held and thus
4329 * we may not sleep.
4330 */
32d8c572 4331static int tg3_init_rings(struct tg3 *tp)
1da177e4
LT		 4332{
4333 u32 i;
4334
4335 /* Free up all the SKBs. */
4336 tg3_free_rings(tp);
4337
4338 /* Zero out all descriptors. */
4339 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4340 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4341 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4342 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4343
7e72aad4 4344 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
a4e2b347 4345 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
7e72aad4
MC		 4346 (tp->dev->mtu > ETH_DATA_LEN))
4347 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4348
1da177e4
LT		 4349 /* Initialize invariants of the rings, we only set this
4350 * stuff once. This works because the card does not
4351 * write into the rx buffer posting rings.
4352 */
4353 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4354 struct tg3_rx_buffer_desc *rxd;
4355
4356 rxd = &tp->rx_std[i];
7e72aad4 4357 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
1da177e4
LT		 4358 << RXD_LEN_SHIFT;
4359 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4360 rxd->opaque = (RXD_OPAQUE_RING_STD |
4361 (i << RXD_OPAQUE_INDEX_SHIFT));
4362 }
4363
0f893dc6 4364 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4365 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4366 struct tg3_rx_buffer_desc *rxd;
4367
4368 rxd = &tp->rx_jumbo[i];
4369 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4370 << RXD_LEN_SHIFT;
4371 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4372 RXD_FLAG_JUMBO;
4373 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4374 (i << RXD_OPAQUE_INDEX_SHIFT));
4375 }
4376 }
4377
4378 /* Now allocate fresh SKBs for each rx ring. */
4379 for (i = 0; i < tp->rx_pending; i++) {
32d8c572
MC		 4380 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4381 printk(KERN_WARNING PFX
4382 "%s: Using a smaller RX standard ring, "
4383 "only %d out of %d buffers were allocated "
4384 "successfully.\n",
4385 tp->dev->name, i, tp->rx_pending);
4386 if (i == 0)
4387 return -ENOMEM;
4388 tp->rx_pending = i;
1da177e4 4389 break;
32d8c572 4390 }
1da177e4
LT		 4391 }
4392
0f893dc6 4393 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4394 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4395 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
32d8c572
MC		 4396 -1, i) < 0) {
4397 printk(KERN_WARNING PFX
4398 "%s: Using a smaller RX jumbo ring, "
4399 "only %d out of %d buffers were "
4400 "allocated successfully.\n",
4401 tp->dev->name, i, tp->rx_jumbo_pending);
4402 if (i == 0) {
4403 tg3_free_rings(tp);
4404 return -ENOMEM;
4405 }
4406 tp->rx_jumbo_pending = i;
1da177e4 4407 break;
32d8c572 4408 }
1da177e4
LT		 4409 }
4410 }
32d8c572 4411 return 0;
1da177e4
LT		 4412}
4413
4414/*
4415 * Must not be invoked with interrupt sources disabled and
4416 * the hardware shutdown down.
4417 */
4418static void tg3_free_consistent(struct tg3 *tp)
4419{
b4558ea9
JJ		 4420 kfree(tp->rx_std_buffers);
4421 tp->rx_std_buffers = NULL;
1da177e4
LT		 4422 if (tp->rx_std) {
4423 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4424 tp->rx_std, tp->rx_std_mapping);
4425 tp->rx_std = NULL;
4426 }
4427 if (tp->rx_jumbo) {
4428 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4429 tp->rx_jumbo, tp->rx_jumbo_mapping);
4430 tp->rx_jumbo = NULL;
4431 }
4432 if (tp->rx_rcb) {
4433 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4434 tp->rx_rcb, tp->rx_rcb_mapping);
4435 tp->rx_rcb = NULL;
4436 }
4437 if (tp->tx_ring) {
4438 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4439 tp->tx_ring, tp->tx_desc_mapping);
4440 tp->tx_ring = NULL;
4441 }
4442 if (tp->hw_status) {
4443 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4444 tp->hw_status, tp->status_mapping);
4445 tp->hw_status = NULL;
4446 }
4447 if (tp->hw_stats) {
4448 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4449 tp->hw_stats, tp->stats_mapping);
4450 tp->hw_stats = NULL;
4451 }
4452}
4453
4454/*
4455 * Must not be invoked with interrupt sources disabled and
4456 * the hardware shutdown down. Can sleep.
4457 */
4458static int tg3_alloc_consistent(struct tg3 *tp)
4459{
bd2b3343 4460 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
1da177e4
LT		 4461 (TG3_RX_RING_SIZE +
4462 TG3_RX_JUMBO_RING_SIZE)) +
4463 (sizeof(struct tx_ring_info) *
4464 TG3_TX_RING_SIZE),
4465 GFP_KERNEL);
4466 if (!tp->rx_std_buffers)
4467 return -ENOMEM;
4468
1da177e4
LT		 4469 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4470 tp->tx_buffers = (struct tx_ring_info *)
4471 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4472
4473 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4474 &tp->rx_std_mapping);
4475 if (!tp->rx_std)
4476 goto err_out;
4477
4478 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4479 &tp->rx_jumbo_mapping);
4480
4481 if (!tp->rx_jumbo)
4482 goto err_out;
4483
4484 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4485 &tp->rx_rcb_mapping);
4486 if (!tp->rx_rcb)
4487 goto err_out;
4488
4489 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4490 &tp->tx_desc_mapping);
4491 if (!tp->tx_ring)
4492 goto err_out;
4493
4494 tp->hw_status = pci_alloc_consistent(tp->pdev,
4495 TG3_HW_STATUS_SIZE,
4496 &tp->status_mapping);
4497 if (!tp->hw_status)
4498 goto err_out;
4499
4500 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4501 sizeof(struct tg3_hw_stats),
4502 &tp->stats_mapping);
4503 if (!tp->hw_stats)
4504 goto err_out;
4505
4506 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4507 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4508
4509 return 0;
4510
4511err_out:
4512 tg3_free_consistent(tp);
4513 return -ENOMEM;
4514}
4515
4516#define MAX_WAIT_CNT 1000
4517
4518/* To stop a block, clear the enable bit and poll till it
4519 * clears. tp->lock is held.
4520 */
b3b7d6be 4521static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 4522{
4523 unsigned int i;
4524 u32 val;
4525
4526 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4527 switch (ofs) {
4528 case RCVLSC_MODE:
4529 case DMAC_MODE:
4530 case MBFREE_MODE:
4531 case BUFMGR_MODE:
4532 case MEMARB_MODE:
4533 /* We can't enable/disable these bits of the
4534 * 5705/5750, just say success.
4535 */
4536 return 0;
4537
4538 default:
4539 break;
4540 };
4541 }
4542
4543 val = tr32(ofs);
4544 val &= ~enable_bit;
4545 tw32_f(ofs, val);
4546
4547 for (i = 0; i < MAX_WAIT_CNT; i++) {
4548 udelay(100);
4549 val = tr32(ofs);
4550 if ((val & enable_bit) == 0)
4551 break;
4552 }
4553
b3b7d6be 4554 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 4555 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4556 "ofs=%lx enable_bit=%x\n",
4557 ofs, enable_bit);
4558 return -ENODEV;
4559 }
4560
4561 return 0;
4562}
4563
4564/* tp->lock is held. */
b3b7d6be 4565static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 4566{
4567 int i, err;
4568
4569 tg3_disable_ints(tp);
4570
4571 tp->rx_mode &= ~RX_MODE_ENABLE;
4572 tw32_f(MAC_RX_MODE, tp->rx_mode);
4573 udelay(10);
4574
b3b7d6be
DM		 4575 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4576 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4577 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4578 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4579 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4580 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4581
4582 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4583 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4584 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4585 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4586 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4587 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4588 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 4589
4590 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4591 tw32_f(MAC_MODE, tp->mac_mode);
4592 udelay(40);
4593
4594 tp->tx_mode &= ~TX_MODE_ENABLE;
4595 tw32_f(MAC_TX_MODE, tp->tx_mode);
4596
4597 for (i = 0; i < MAX_WAIT_CNT; i++) {
4598 udelay(100);
4599 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4600 break;
4601 }
4602 if (i >= MAX_WAIT_CNT) {
4603 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4604 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4605 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 4606 err |= -ENODEV;
1da177e4
LT		 4607 }
4608
e6de8ad1 4609 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 4610 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4611 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 4612
4613 tw32(FTQ_RESET, 0xffffffff);
4614 tw32(FTQ_RESET, 0x00000000);
4615
b3b7d6be
DM		 4616 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4617 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4
LT		 4618
4619 if (tp->hw_status)
4620 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4621 if (tp->hw_stats)
4622 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4623
1da177e4
LT		 4624 return err;
4625}
4626
4627/* tp->lock is held. */
4628static int tg3_nvram_lock(struct tg3 *tp)
4629{
4630 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4631 int i;
4632
ec41c7df
MC		 4633 if (tp->nvram_lock_cnt == 0) {
4634 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4635 for (i = 0; i < 8000; i++) {
4636 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4637 break;
4638 udelay(20);
4639 }
4640 if (i == 8000) {
4641 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4642 return -ENODEV;
4643 }
1da177e4 4644 }
ec41c7df 4645 tp->nvram_lock_cnt++;
1da177e4
LT		 4646 }
4647 return 0;
4648}
4649
4650/* tp->lock is held. */
4651static void tg3_nvram_unlock(struct tg3 *tp)
4652{
ec41c7df
MC		 4653 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4654 if (tp->nvram_lock_cnt > 0)
4655 tp->nvram_lock_cnt--;
4656 if (tp->nvram_lock_cnt == 0)
4657 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4658 }
1da177e4
LT		 4659}
4660
e6af301b
MC		 4661/* tp->lock is held. */
4662static void tg3_enable_nvram_access(struct tg3 *tp)
4663{
4664 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4665 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4666 u32 nvaccess = tr32(NVRAM_ACCESS);
4667
4668 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4669 }
4670}
4671
4672/* tp->lock is held. */
4673static void tg3_disable_nvram_access(struct tg3 *tp)
4674{
4675 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4676 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4677 u32 nvaccess = tr32(NVRAM_ACCESS);
4678
4679 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4680 }
4681}
4682
1da177e4
LT		 4683/* tp->lock is held. */
4684static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4685{
f49639e6
DM		 4686 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4687 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 4688
4689 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4690 switch (kind) {
4691 case RESET_KIND_INIT:
4692 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4693 DRV_STATE_START);
4694 break;
4695
4696 case RESET_KIND_SHUTDOWN:
4697 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4698 DRV_STATE_UNLOAD);
4699 break;
4700
4701 case RESET_KIND_SUSPEND:
4702 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4703 DRV_STATE_SUSPEND);
4704 break;
4705
4706 default:
4707 break;
4708 };
4709 }
4710}
4711
4712/* tp->lock is held. */
4713static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4714{
4715 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4716 switch (kind) {
4717 case RESET_KIND_INIT:
4718 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4719 DRV_STATE_START_DONE);
4720 break;
4721
4722 case RESET_KIND_SHUTDOWN:
4723 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4724 DRV_STATE_UNLOAD_DONE);
4725 break;
4726
4727 default:
4728 break;
4729 };
4730 }
4731}
4732
4733/* tp->lock is held. */
4734static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4735{
4736 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4737 switch (kind) {
4738 case RESET_KIND_INIT:
4739 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4740 DRV_STATE_START);
4741 break;
4742
4743 case RESET_KIND_SHUTDOWN:
4744 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4745 DRV_STATE_UNLOAD);
4746 break;
4747
4748 case RESET_KIND_SUSPEND:
4749 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4750 DRV_STATE_SUSPEND);
4751 break;
4752
4753 default:
4754 break;
4755 };
4756 }
4757}
4758
7a6f4369
MC		 4759static int tg3_poll_fw(struct tg3 *tp)
4760{
4761 int i;
4762 u32 val;
4763
b5d3772c 4764 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 4765 /* Wait up to 20ms for init done. */
4766 for (i = 0; i < 200; i++) {
b5d3772c
MC		 4767 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4768 return 0;
0ccead18 4769 udelay(100);
b5d3772c
MC		 4770 }
4771 return -ENODEV;
4772 }
4773
7a6f4369
MC		 4774 /* Wait for firmware initialization to complete. */
4775 for (i = 0; i < 100000; i++) {
4776 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4777 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4778 break;
4779 udelay(10);
4780 }
4781
4782 /* Chip might not be fitted with firmware. Some Sun onboard
4783 * parts are configured like that. So don't signal the timeout
4784 * of the above loop as an error, but do report the lack of
4785 * running firmware once.
4786 */
4787 if (i >= 100000 &&
4788 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4789 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4790
4791 printk(KERN_INFO PFX "%s: No firmware running.\n",
4792 tp->dev->name);
4793 }
4794
4795 return 0;
4796}
4797
1da177e4
LT		 4798static void tg3_stop_fw(struct tg3 *);
4799
4800/* tp->lock is held. */
4801static int tg3_chip_reset(struct tg3 *tp)
4802{
4803 u32 val;
1ee582d8 4804 void (*write_op)(struct tg3 *, u32, u32);
7a6f4369 4805 int err;
1da177e4 4806
f49639e6
DM		 4807 tg3_nvram_lock(tp);
4808
4809 /* No matching tg3_nvram_unlock() after this because
4810 * chip reset below will undo the nvram lock.
4811 */
4812 tp->nvram_lock_cnt = 0;
1da177e4 4813
d9ab5ad1 4814 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 4815 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1
MC		 4816 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4817 tw32(GRC_FASTBOOT_PC, 0);
4818
1da177e4
LT		 4819 /*
4820 * We must avoid the readl() that normally takes place.
4821 * It locks machines, causes machine checks, and other
4822 * fun things. So, temporarily disable the 5701
4823 * hardware workaround, while we do the reset.
4824 */
1ee582d8
MC		 4825 write_op = tp->write32;
4826 if (write_op == tg3_write_flush_reg32)
4827 tp->write32 = tg3_write32;
1da177e4 4828
d18edcb2
MC		 4829 /* Prevent the irq handler from reading or writing PCI registers
4830 * during chip reset when the memory enable bit in the PCI command
4831 * register may be cleared. The chip does not generate interrupt
4832 * at this time, but the irq handler may still be called due to irq
4833 * sharing or irqpoll.
4834 */
4835 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
b8fa2f3a
MC		 4836 if (tp->hw_status) {
4837 tp->hw_status->status = 0;
4838 tp->hw_status->status_tag = 0;
4839 }
d18edcb2
MC		 4840 tp->last_tag = 0;
4841 smp_mb();
4842 synchronize_irq(tp->pdev->irq);
4843
1da177e4
LT		 4844 /* do the reset */
4845 val = GRC_MISC_CFG_CORECLK_RESET;
4846
4847 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4848 if (tr32(0x7e2c) == 0x60) {
4849 tw32(0x7e2c, 0x20);
4850 }
4851 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4852 tw32(GRC_MISC_CFG, (1 << 29));
4853 val |= (1 << 29);
4854 }
4855 }
4856
b5d3772c
MC		 4857 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4858 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4859 tw32(GRC_VCPU_EXT_CTRL,
4860 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4861 }
4862
1da177e4
LT		 4863 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4864 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4865 tw32(GRC_MISC_CFG, val);
4866
1ee582d8
MC		 4867 /* restore 5701 hardware bug workaround write method */
4868 tp->write32 = write_op;
1da177e4
LT		 4869
4870 /* Unfortunately, we have to delay before the PCI read back.
4871 * Some 575X chips even will not respond to a PCI cfg access
4872 * when the reset command is given to the chip.
4873 *
4874 * How do these hardware designers expect things to work
4875 * properly if the PCI write is posted for a long period
4876 * of time? It is always necessary to have some method by
4877 * which a register read back can occur to push the write
4878 * out which does the reset.
4879 *
4880 * For most tg3 variants the trick below was working.
4881 * Ho hum...
4882 */
4883 udelay(120);
4884
4885 /* Flush PCI posted writes. The normal MMIO registers
4886 * are inaccessible at this time so this is the only
4887 * way to make this reliably (actually, this is no longer
4888 * the case, see above). I tried to use indirect
4889 * register read/write but this upset some 5701 variants.
4890 */
4891 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4892
4893 udelay(120);
4894
4895 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4896 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4897 int i;
4898 u32 cfg_val;
4899
4900 /* Wait for link training to complete. */
4901 for (i = 0; i < 5000; i++)
4902 udelay(100);
4903
4904 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4905 pci_write_config_dword(tp->pdev, 0xc4,
4906 cfg_val | (1 << 15));
4907 }
4908 /* Set PCIE max payload size and clear error status. */
4909 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4910 }
4911
4912 /* Re-enable indirect register accesses. */
4913 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4914 tp->misc_host_ctrl);
4915
4916 /* Set MAX PCI retry to zero. */
4917 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4918 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4919 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4920 val |= PCISTATE_RETRY_SAME_DMA;
4921 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4922
4923 pci_restore_state(tp->pdev);
4924
d18edcb2
MC		 4925 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
4926
1da177e4
LT		 4927 /* Make sure PCI-X relaxed ordering bit is clear. */
4928 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4929 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4930 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4931
a4e2b347 4932 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4cf78e4f
MC		 4933 u32 val;
4934
4935 /* Chip reset on 5780 will reset MSI enable bit,
4936 * so need to restore it.
4937 */
4938 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4939 u16 ctrl;
4940
4941 pci_read_config_word(tp->pdev,
4942 tp->msi_cap + PCI_MSI_FLAGS,
4943 &ctrl);
4944 pci_write_config_word(tp->pdev,
4945 tp->msi_cap + PCI_MSI_FLAGS,
4946 ctrl | PCI_MSI_FLAGS_ENABLE);
4947 val = tr32(MSGINT_MODE);
4948 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4949 }
4950
4951 val = tr32(MEMARB_MODE);
4952 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4953
4954 } else
4955 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
1da177e4
LT		 4956
4957 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4958 tg3_stop_fw(tp);
4959 tw32(0x5000, 0x400);
4960 }
4961
4962 tw32(GRC_MODE, tp->grc_mode);
4963
4964 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4965 u32 val = tr32(0xc4);
4966
4967 tw32(0xc4, val | (1 << 15));
4968 }
4969
4970 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4971 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4972 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4973 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4974 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4975 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4976 }
4977
4978 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4979 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4980 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 4981 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4982 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4983 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 4984 } else
4985 tw32_f(MAC_MODE, 0);
4986 udelay(40);
4987
7a6f4369
MC		 4988 err = tg3_poll_fw(tp);
4989 if (err)
4990 return err;
1da177e4
LT		 4991
4992 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4993 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4994 u32 val = tr32(0x7c00);
4995
4996 tw32(0x7c00, val | (1 << 25));
4997 }
4998
4999 /* Reprobe ASF enable state. */
5000 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5001 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5002 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5003 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5004 u32 nic_cfg;
5005
5006 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5007 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5008 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 5009 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 5010 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5011 }
5012 }
5013
5014 return 0;
5015}
5016
5017/* tp->lock is held. */
5018static void tg3_stop_fw(struct tg3 *tp)
5019{
5020 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5021 u32 val;
5022 int i;
5023
5024 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5025 val = tr32(GRC_RX_CPU_EVENT);
5026 val |= (1 << 14);
5027 tw32(GRC_RX_CPU_EVENT, val);
5028
5029 /* Wait for RX cpu to ACK the event. */
5030 for (i = 0; i < 100; i++) {
5031 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5032 break;
5033 udelay(1);
5034 }
5035 }
5036}
5037
5038/* tp->lock is held. */
944d980e 5039static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 5040{
5041 int err;
5042
5043 tg3_stop_fw(tp);
5044
944d980e 5045 tg3_write_sig_pre_reset(tp, kind);
1da177e4 5046
b3b7d6be 5047 tg3_abort_hw(tp, silent);
1da177e4
LT		 5048 err = tg3_chip_reset(tp);
5049
944d980e
MC		 5050 tg3_write_sig_legacy(tp, kind);
5051 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 5052
5053 if (err)
5054 return err;
5055
5056 return 0;
5057}
5058
5059#define TG3_FW_RELEASE_MAJOR 0x0
5060#define TG3_FW_RELASE_MINOR 0x0
5061#define TG3_FW_RELEASE_FIX 0x0
5062#define TG3_FW_START_ADDR 0x08000000
5063#define TG3_FW_TEXT_ADDR 0x08000000
5064#define TG3_FW_TEXT_LEN 0x9c0
5065#define TG3_FW_RODATA_ADDR 0x080009c0
5066#define TG3_FW_RODATA_LEN 0x60
5067#define TG3_FW_DATA_ADDR 0x08000a40
5068#define TG3_FW_DATA_LEN 0x20
5069#define TG3_FW_SBSS_ADDR 0x08000a60
5070#define TG3_FW_SBSS_LEN 0xc
5071#define TG3_FW_BSS_ADDR 0x08000a70
5072#define TG3_FW_BSS_LEN 0x10
5073
50da859d 5074static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5075 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5076 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5077 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5078 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5079 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5080 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5081 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5082 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5083 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5084 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5085 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5086 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5087 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5088 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5089 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5090 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5091 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5092 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5093 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5094 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5095 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5096 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5097 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5098 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5099 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5100 0, 0, 0, 0, 0, 0,
5101 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5102 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5103 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5104 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5105 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5106 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5107 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5108 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5109 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5110 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5111 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5113 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5114 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5115 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5116 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5117 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5118 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5119 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5120 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5121 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5122 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5123 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5124 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5125 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5126 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5127 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5128 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5129 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5130 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5131 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5132 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5133 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5134 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5135 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5136 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5137 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5138 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5139 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5140 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5141 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5142 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5143 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5144 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5145 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5146 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5147 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5148 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5149 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5150 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5151 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5152 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5153 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5154 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5155 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5156 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5157 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5158 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5159 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5160 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5161 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5162 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5163 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5164 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5165 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5166};
5167
50da859d 5168static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5169 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5170 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5171 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5172 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5173 0x00000000
5174};
5175
5176#if 0 /* All zeros, don't eat up space with it. */
5177u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5178 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5179 0x00000000, 0x00000000, 0x00000000, 0x00000000
5180};
5181#endif
5182
5183#define RX_CPU_SCRATCH_BASE 0x30000
5184#define RX_CPU_SCRATCH_SIZE 0x04000
5185#define TX_CPU_SCRATCH_BASE 0x34000
5186#define TX_CPU_SCRATCH_SIZE 0x04000
5187
5188/* tp->lock is held. */
5189static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5190{
5191 int i;
5192
5d9428de
ES		 5193 BUG_ON(offset == TX_CPU_BASE &&
5194 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 5195
b5d3772c
MC		 5196 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5197 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5198
5199 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5200 return 0;
5201 }
1da177e4
LT		 5202 if (offset == RX_CPU_BASE) {
5203 for (i = 0; i < 10000; i++) {
5204 tw32(offset + CPU_STATE, 0xffffffff);
5205 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5206 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5207 break;
5208 }
5209
5210 tw32(offset + CPU_STATE, 0xffffffff);
5211 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5212 udelay(10);
5213 } else {
5214 for (i = 0; i < 10000; i++) {
5215 tw32(offset + CPU_STATE, 0xffffffff);
5216 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5217 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5218 break;
5219 }
5220 }
5221
5222 if (i >= 10000) {
5223 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5224 "and %s CPU\n",
5225 tp->dev->name,
5226 (offset == RX_CPU_BASE ? "RX" : "TX"));
5227 return -ENODEV;
5228 }
ec41c7df
MC		 5229
5230 /* Clear firmware's nvram arbitration. */
5231 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5232 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 5233 return 0;
5234}
5235
5236struct fw_info {
5237 unsigned int text_base;
5238 unsigned int text_len;
50da859d 5239 const u32 *text_data;
1da177e4
LT		 5240 unsigned int rodata_base;
5241 unsigned int rodata_len;
50da859d 5242 const u32 *rodata_data;
1da177e4
LT		 5243 unsigned int data_base;
5244 unsigned int data_len;
50da859d 5245 const u32 *data_data;
1da177e4
LT		 5246};
5247
5248/* tp->lock is held. */
5249static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5250 int cpu_scratch_size, struct fw_info *info)
5251{
ec41c7df 5252 int err, lock_err, i;
1da177e4
LT		 5253 void (*write_op)(struct tg3 *, u32, u32);
5254
5255 if (cpu_base == TX_CPU_BASE &&
5256 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5257 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5258 "TX cpu firmware on %s which is 5705.\n",
5259 tp->dev->name);
5260 return -EINVAL;
5261 }
5262
5263 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5264 write_op = tg3_write_mem;
5265 else
5266 write_op = tg3_write_indirect_reg32;
5267
1b628151
MC		 5268 /* It is possible that bootcode is still loading at this point.
5269 * Get the nvram lock first before halting the cpu.
5270 */
ec41c7df 5271 lock_err = tg3_nvram_lock(tp);
1da177e4 5272 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 5273 if (!lock_err)
5274 tg3_nvram_unlock(tp);
1da177e4
LT		 5275 if (err)
5276 goto out;
5277
5278 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5279 write_op(tp, cpu_scratch_base + i, 0);
5280 tw32(cpu_base + CPU_STATE, 0xffffffff);
5281 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5282 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5283 write_op(tp, (cpu_scratch_base +
5284 (info->text_base & 0xffff) +
5285 (i * sizeof(u32))),
5286 (info->text_data ?
5287 info->text_data[i] : 0));
5288 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5289 write_op(tp, (cpu_scratch_base +
5290 (info->rodata_base & 0xffff) +
5291 (i * sizeof(u32))),
5292 (info->rodata_data ?
5293 info->rodata_data[i] : 0));
5294 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5295 write_op(tp, (cpu_scratch_base +
5296 (info->data_base & 0xffff) +
5297 (i * sizeof(u32))),
5298 (info->data_data ?
5299 info->data_data[i] : 0));
5300
5301 err = 0;
5302
5303out:
1da177e4
LT		 5304 return err;
5305}
5306
5307/* tp->lock is held. */
5308static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5309{
5310 struct fw_info info;
5311 int err, i;
5312
5313 info.text_base = TG3_FW_TEXT_ADDR;
5314 info.text_len = TG3_FW_TEXT_LEN;
5315 info.text_data = &tg3FwText[0];
5316 info.rodata_base = TG3_FW_RODATA_ADDR;
5317 info.rodata_len = TG3_FW_RODATA_LEN;
5318 info.rodata_data = &tg3FwRodata[0];
5319 info.data_base = TG3_FW_DATA_ADDR;
5320 info.data_len = TG3_FW_DATA_LEN;
5321 info.data_data = NULL;
5322
5323 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5324 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5325 &info);
5326 if (err)
5327 return err;
5328
5329 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5330 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5331 &info);
5332 if (err)
5333 return err;
5334
5335 /* Now startup only the RX cpu. */
5336 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5337 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5338
5339 for (i = 0; i < 5; i++) {
5340 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5341 break;
5342 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5343 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5344 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5345 udelay(1000);
5346 }
5347 if (i >= 5) {
5348 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5349 "to set RX CPU PC, is %08x should be %08x\n",
5350 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5351 TG3_FW_TEXT_ADDR);
5352 return -ENODEV;
5353 }
5354 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5355 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5356
5357 return 0;
5358}
5359
1da177e4
LT		 5360
5361#define TG3_TSO_FW_RELEASE_MAJOR 0x1
5362#define TG3_TSO_FW_RELASE_MINOR 0x6
5363#define TG3_TSO_FW_RELEASE_FIX 0x0
5364#define TG3_TSO_FW_START_ADDR 0x08000000
5365#define TG3_TSO_FW_TEXT_ADDR 0x08000000
5366#define TG3_TSO_FW_TEXT_LEN 0x1aa0
5367#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5368#define TG3_TSO_FW_RODATA_LEN 0x60
5369#define TG3_TSO_FW_DATA_ADDR 0x08001b20
5370#define TG3_TSO_FW_DATA_LEN 0x30
5371#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5372#define TG3_TSO_FW_SBSS_LEN 0x2c
5373#define TG3_TSO_FW_BSS_ADDR 0x08001b80
5374#define TG3_TSO_FW_BSS_LEN 0x894
5375
50da859d 5376static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5377 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5378 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5379 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5380 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5381 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5382 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5383 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5384 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5385 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5386 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5387 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5388 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5389 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5390 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5391 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5392 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5393 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5394 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5395 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5396 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5397 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5398 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5399 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5400 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5401 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5402 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5403 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5404 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5405 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5406 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5407 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5408 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5409 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5410 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5411 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5412 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5413 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5414 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5415 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5416 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5417 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5418 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5419 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5420 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5421 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5422 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5423 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5424 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5425 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5426 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5427 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5428 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5429 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5430 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5431 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5432 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5433 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5434 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5435 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5436 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5437 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5438 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5439 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5440 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5441 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5442 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5443 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5444 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5445 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5446 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5447 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5448 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5449 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5450 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5451 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5452 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5453 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5454 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5455 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5456 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5457 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5458 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5459 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5460 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5461 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5462 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5463 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5464 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5465 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5466 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5467 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5468 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5469 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5470 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5471 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5472 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5473 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5474 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5475 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5476 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5477 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5478 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5479 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5480 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5481 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5482 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5483 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5484 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5485 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5486 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5487 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5488 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5489 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5490 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5491 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5492 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5493 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5494 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5495 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5496 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5497 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5498 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5499 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5500 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5501 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5502 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5503 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5504 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5505 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5506 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5507 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5508 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5509 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5510 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5511 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5512 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5513 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5514 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5515 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5516 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5517 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5518 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5519 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5520 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5521 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5522 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5523 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5524 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5525 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5526 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5527 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5528 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5529 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5530 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5531 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5532 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5533 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5534 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5535 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5536 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5537 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5538 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5539 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5540 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5541 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5542 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5543 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5544 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5545 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5546 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5547 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5548 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5549 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5550 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5551 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5552 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5553 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5554 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5555 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5556 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5557 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5558 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5559 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5560 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5561 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5562 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5563 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5564 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5565 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5566 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5567 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5568 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5569 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5570 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5571 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5572 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5573 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5574 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5575 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5576 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5577 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5578 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5579 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5580 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5581 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5582 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5583 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5584 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5585 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5586 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5587 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5588 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5589 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5590 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5591 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5592 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5593 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5594 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5595 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5596 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5597 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5598 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5599 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5600 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5601 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5602 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5603 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5604 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5605 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5606 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5607 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5608 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5609 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5610 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5611 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5612 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5613 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5614 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5615 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5616 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5617 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5618 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5619 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5620 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5621 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5622 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5623 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5624 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5625 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5626 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5627 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5628 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5629 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5630 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5631 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5632 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5633 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5634 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5635 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5636 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5637 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5638 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5639 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5640 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5641 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5642 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5643 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5644 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5645 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5646 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5647 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5648 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5649 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5650 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5651 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5652 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5653 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5654 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5655 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5656 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5657 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5658 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5659 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5660 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5661};
5662
50da859d 5663static const u32 tg3TsoFwRodata[] = {
1da177e4
LT		 5664 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5665 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5666 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5667 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5668 0x00000000,
5669};
5670
50da859d 5671static const u32 tg3TsoFwData[] = {
1da177e4
LT		 5672 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5673 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5674 0x00000000,
5675};
5676
5677/* 5705 needs a special version of the TSO firmware. */
5678#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5679#define TG3_TSO5_FW_RELASE_MINOR 0x2
5680#define TG3_TSO5_FW_RELEASE_FIX 0x0
5681#define TG3_TSO5_FW_START_ADDR 0x00010000
5682#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5683#define TG3_TSO5_FW_TEXT_LEN 0xe90
5684#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5685#define TG3_TSO5_FW_RODATA_LEN 0x50
5686#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5687#define TG3_TSO5_FW_DATA_LEN 0x20
5688#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5689#define TG3_TSO5_FW_SBSS_LEN 0x28
5690#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5691#define TG3_TSO5_FW_BSS_LEN 0x88
5692
50da859d 5693static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5694 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5695 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5696 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5697 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5698 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5699 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5700 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5701 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5702 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5703 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5704 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5705 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5706 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5707 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5708 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5709 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5710 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5711 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5712 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5713 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5714 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5715 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5716 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5717 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5718 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5719 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5720 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5721 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5722 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5723 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5724 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5725 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5726 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5727 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5728 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5729 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5730 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5731 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5732 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5733 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5734 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5735 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5736 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5737 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5738 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5739 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5740 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5741 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5742 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5743 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5744 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5745 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5746 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5747 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5748 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5749 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5750 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5751 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5752 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5753 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5754 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5755 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5756 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5757 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5758 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5759 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5760 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5761 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5762 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5763 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5764 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5765 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5766 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5767 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5768 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5769 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5770 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5771 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5772 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5773 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5774 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5775 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5776 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5777 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5778 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5779 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5780 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5781 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5782 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5783 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5784 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5785 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5786 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5787 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5788 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5789 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5790 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5791 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5792 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5793 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5794 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5795 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5796 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5797 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5798 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5799 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5800 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5801 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5802 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5803 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5804 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5805 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5806 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5807 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5808 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5809 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5810 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5811 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5812 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5813 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5814 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5815 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5816 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5817 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5818 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5819 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5820 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5821 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5822 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5823 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5824 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5825 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5826 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5827 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5828 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5829 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5830 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5831 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5832 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5833 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5834 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5835 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5836 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5837 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5838 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5839 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5840 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5841 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5842 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5843 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5844 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5845 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5846 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5847 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5848 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5849 0x00000000, 0x00000000, 0x00000000,
5850};
5851
50da859d 5852static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
1da177e4
LT		 5853 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5854 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5855 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5856 0x00000000, 0x00000000, 0x00000000,
5857};
5858
50da859d 5859static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
1da177e4
LT		 5860 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5861 0x00000000, 0x00000000, 0x00000000,
5862};
5863
5864/* tp->lock is held. */
5865static int tg3_load_tso_firmware(struct tg3 *tp)
5866{
5867 struct fw_info info;
5868 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5869 int err, i;
5870
5871 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5872 return 0;
5873
5874 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5875 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5876 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5877 info.text_data = &tg3Tso5FwText[0];
5878 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5879 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5880 info.rodata_data = &tg3Tso5FwRodata[0];
5881 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5882 info.data_len = TG3_TSO5_FW_DATA_LEN;
5883 info.data_data = &tg3Tso5FwData[0];
5884 cpu_base = RX_CPU_BASE;
5885 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5886 cpu_scratch_size = (info.text_len +
5887 info.rodata_len +
5888 info.data_len +
5889 TG3_TSO5_FW_SBSS_LEN +
5890 TG3_TSO5_FW_BSS_LEN);
5891 } else {
5892 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5893 info.text_len = TG3_TSO_FW_TEXT_LEN;
5894 info.text_data = &tg3TsoFwText[0];
5895 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5896 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5897 info.rodata_data = &tg3TsoFwRodata[0];
5898 info.data_base = TG3_TSO_FW_DATA_ADDR;
5899 info.data_len = TG3_TSO_FW_DATA_LEN;
5900 info.data_data = &tg3TsoFwData[0];
5901 cpu_base = TX_CPU_BASE;
5902 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5903 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5904 }
5905
5906 err = tg3_load_firmware_cpu(tp, cpu_base,
5907 cpu_scratch_base, cpu_scratch_size,
5908 &info);
5909 if (err)
5910 return err;
5911
5912 /* Now startup the cpu. */
5913 tw32(cpu_base + CPU_STATE, 0xffffffff);
5914 tw32_f(cpu_base + CPU_PC, info.text_base);
5915
5916 for (i = 0; i < 5; i++) {
5917 if (tr32(cpu_base + CPU_PC) == info.text_base)
5918 break;
5919 tw32(cpu_base + CPU_STATE, 0xffffffff);
5920 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5921 tw32_f(cpu_base + CPU_PC, info.text_base);
5922 udelay(1000);
5923 }
5924 if (i >= 5) {
5925 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5926 "to set CPU PC, is %08x should be %08x\n",
5927 tp->dev->name, tr32(cpu_base + CPU_PC),
5928 info.text_base);
5929 return -ENODEV;
5930 }
5931 tw32(cpu_base + CPU_STATE, 0xffffffff);
5932 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5933 return 0;
5934}
5935
1da177e4
LT		 5936
5937/* tp->lock is held. */
5938static void __tg3_set_mac_addr(struct tg3 *tp)
5939{
5940 u32 addr_high, addr_low;
5941 int i;
5942
5943 addr_high = ((tp->dev->dev_addr[0] << 8) |
5944 tp->dev->dev_addr[1]);
5945 addr_low = ((tp->dev->dev_addr[2] << 24) |
5946 (tp->dev->dev_addr[3] << 16) |
5947 (tp->dev->dev_addr[4] << 8) |
5948 (tp->dev->dev_addr[5] << 0));
5949 for (i = 0; i < 4; i++) {
5950 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5951 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5952 }
5953
5954 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5955 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5956 for (i = 0; i < 12; i++) {
5957 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5958 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5959 }
5960 }
5961
5962 addr_high = (tp->dev->dev_addr[0] +
5963 tp->dev->dev_addr[1] +
5964 tp->dev->dev_addr[2] +
5965 tp->dev->dev_addr[3] +
5966 tp->dev->dev_addr[4] +
5967 tp->dev->dev_addr[5]) &
5968 TX_BACKOFF_SEED_MASK;
5969 tw32(MAC_TX_BACKOFF_SEED, addr_high);
5970}
5971
5972static int tg3_set_mac_addr(struct net_device *dev, void *p)
5973{
5974 struct tg3 *tp = netdev_priv(dev);
5975 struct sockaddr *addr = p;
b9ec6c1b 5976 int err = 0;
1da177e4 5977
f9804ddb
MC		 5978 if (!is_valid_ether_addr(addr->sa_data))
5979 return -EINVAL;
5980
1da177e4
LT		 5981 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5982
e75f7c90
MC		 5983 if (!netif_running(dev))
5984 return 0;
5985
58712ef9
MC		 5986 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5987 /* Reset chip so that ASF can re-init any MAC addresses it
5988 * needs.
5989 */
5990 tg3_netif_stop(tp);
5991 tg3_full_lock(tp, 1);
5992
5993 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 5994 err = tg3_restart_hw(tp, 0);
5995 if (!err)
5996 tg3_netif_start(tp);
58712ef9
MC		 5997 tg3_full_unlock(tp);
5998 } else {
5999 spin_lock_bh(&tp->lock);
6000 __tg3_set_mac_addr(tp);
6001 spin_unlock_bh(&tp->lock);
6002 }
1da177e4 6003
b9ec6c1b 6004 return err;
1da177e4
LT		 6005}
6006
6007/* tp->lock is held. */
6008static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6009 dma_addr_t mapping, u32 maxlen_flags,
6010 u32 nic_addr)
6011{
6012 tg3_write_mem(tp,
6013 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6014 ((u64) mapping >> 32));
6015 tg3_write_mem(tp,
6016 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6017 ((u64) mapping & 0xffffffff));
6018 tg3_write_mem(tp,
6019 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6020 maxlen_flags);
6021
6022 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6023 tg3_write_mem(tp,
6024 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6025 nic_addr);
6026}
6027
6028static void __tg3_set_rx_mode(struct net_device *);
d244c892 6029static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d
DM		 6030{
6031 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6032 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6033 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6034 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6035 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6036 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6037 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6038 }
6039 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6040 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6041 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6042 u32 val = ec->stats_block_coalesce_usecs;
6043
6044 if (!netif_carrier_ok(tp->dev))
6045 val = 0;
6046
6047 tw32(HOSTCC_STAT_COAL_TICKS, val);
6048 }
6049}
1da177e4
LT		 6050
6051/* tp->lock is held. */
8e7a22e3 6052static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6053{
6054 u32 val, rdmac_mode;
6055 int i, err, limit;
6056
6057 tg3_disable_ints(tp);
6058
6059 tg3_stop_fw(tp);
6060
6061 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6062
6063 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 6064 tg3_abort_hw(tp, 1);
1da177e4
LT		 6065 }
6066
36da4d86 6067 if (reset_phy)
d4d2c558
MC		 6068 tg3_phy_reset(tp);
6069
1da177e4
LT		 6070 err = tg3_chip_reset(tp);
6071 if (err)
6072 return err;
6073
6074 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6075
6076 /* This works around an issue with Athlon chipsets on
6077 * B3 tigon3 silicon. This bit has no effect on any
6078 * other revision. But do not set this on PCI Express
6079 * chips.
6080 */
6081 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6082 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6083 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6084
6085 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6086 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6087 val = tr32(TG3PCI_PCISTATE);
6088 val |= PCISTATE_RETRY_SAME_DMA;
6089 tw32(TG3PCI_PCISTATE, val);
6090 }
6091
6092 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6093 /* Enable some hw fixes. */
6094 val = tr32(TG3PCI_MSI_DATA);
6095 val |= (1 << 26) | (1 << 28) | (1 << 29);
6096 tw32(TG3PCI_MSI_DATA, val);
6097 }
6098
6099 /* Descriptor ring init may make accesses to the
6100 * NIC SRAM area to setup the TX descriptors, so we
6101 * can only do this after the hardware has been
6102 * successfully reset.
6103 */
32d8c572
MC		 6104 err = tg3_init_rings(tp);
6105 if (err)
6106 return err;
1da177e4
LT		 6107
6108 /* This value is determined during the probe time DMA
6109 * engine test, tg3_test_dma.
6110 */
6111 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6112
6113 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6114 GRC_MODE_4X_NIC_SEND_RINGS |
6115 GRC_MODE_NO_TX_PHDR_CSUM |
6116 GRC_MODE_NO_RX_PHDR_CSUM);
6117 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 6118
6119 /* Pseudo-header checksum is done by hardware logic and not
6120 * the offload processers, so make the chip do the pseudo-
6121 * header checksums on receive. For transmit it is more
6122 * convenient to do the pseudo-header checksum in software
6123 * as Linux does that on transmit for us in all cases.
6124 */
6125 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 6126
6127 tw32(GRC_MODE,
6128 tp->grc_mode |
6129 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6130
6131 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6132 val = tr32(GRC_MISC_CFG);
6133 val &= ~0xff;
6134 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6135 tw32(GRC_MISC_CFG, val);
6136
6137 /* Initialize MBUF/DESC pool. */
cbf46853 6138 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 6139 /* Do nothing. */
6140 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6141 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6142 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6143 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6144 else
6145 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6146 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6147 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6148 }
1da177e4
LT		 6149 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6150 int fw_len;
6151
6152 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6153 TG3_TSO5_FW_RODATA_LEN +
6154 TG3_TSO5_FW_DATA_LEN +
6155 TG3_TSO5_FW_SBSS_LEN +
6156 TG3_TSO5_FW_BSS_LEN);
6157 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6158 tw32(BUFMGR_MB_POOL_ADDR,
6159 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6160 tw32(BUFMGR_MB_POOL_SIZE,
6161 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6162 }
1da177e4 6163
0f893dc6 6164 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 6165 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6166 tp->bufmgr_config.mbuf_read_dma_low_water);
6167 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6168 tp->bufmgr_config.mbuf_mac_rx_low_water);
6169 tw32(BUFMGR_MB_HIGH_WATER,
6170 tp->bufmgr_config.mbuf_high_water);
6171 } else {
6172 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6173 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6174 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6175 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6176 tw32(BUFMGR_MB_HIGH_WATER,
6177 tp->bufmgr_config.mbuf_high_water_jumbo);
6178 }
6179 tw32(BUFMGR_DMA_LOW_WATER,
6180 tp->bufmgr_config.dma_low_water);
6181 tw32(BUFMGR_DMA_HIGH_WATER,
6182 tp->bufmgr_config.dma_high_water);
6183
6184 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6185 for (i = 0; i < 2000; i++) {
6186 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6187 break;
6188 udelay(10);
6189 }
6190 if (i >= 2000) {
6191 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6192 tp->dev->name);
6193 return -ENODEV;
6194 }
6195
6196 /* Setup replenish threshold. */
f92905de
MC		 6197 val = tp->rx_pending / 8;
6198 if (val == 0)
6199 val = 1;
6200 else if (val > tp->rx_std_max_post)
6201 val = tp->rx_std_max_post;
b5d3772c
MC		 6202 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6203 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6204 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6205
6206 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6207 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6208 }
f92905de
MC		 6209
6210 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 6211
6212 /* Initialize TG3_BDINFO's at:
6213 * RCVDBDI_STD_BD: standard eth size rx ring
6214 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6215 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6216 *
6217 * like so:
6218 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6219 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6220 * ring attribute flags
6221 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6222 *
6223 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6224 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6225 *
6226 * The size of each ring is fixed in the firmware, but the location is
6227 * configurable.
6228 */
6229 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6230 ((u64) tp->rx_std_mapping >> 32));
6231 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6232 ((u64) tp->rx_std_mapping & 0xffffffff));
6233 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6234 NIC_SRAM_RX_BUFFER_DESC);
6235
6236 /* Don't even try to program the JUMBO/MINI buffer descriptor
6237 * configs on 5705.
6238 */
6239 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6240 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6241 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6242 } else {
6243 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6244 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6245
6246 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6247 BDINFO_FLAGS_DISABLED);
6248
6249 /* Setup replenish threshold. */
6250 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6251
0f893dc6 6252 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 6253 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6254 ((u64) tp->rx_jumbo_mapping >> 32));
6255 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6256 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6257 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6258 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6259 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6260 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6261 } else {
6262 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6263 BDINFO_FLAGS_DISABLED);
6264 }
6265
6266 }
6267
6268 /* There is only one send ring on 5705/5750, no need to explicitly
6269 * disable the others.
6270 */
6271 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6272 /* Clear out send RCB ring in SRAM. */
6273 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6274 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6275 BDINFO_FLAGS_DISABLED);
6276 }
6277
6278 tp->tx_prod = 0;
6279 tp->tx_cons = 0;
6280 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6281 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6282
6283 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6284 tp->tx_desc_mapping,
6285 (TG3_TX_RING_SIZE <<
6286 BDINFO_FLAGS_MAXLEN_SHIFT),
6287 NIC_SRAM_TX_BUFFER_DESC);
6288
6289 /* There is only one receive return ring on 5705/5750, no need
6290 * to explicitly disable the others.
6291 */
6292 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6293 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6294 i += TG3_BDINFO_SIZE) {
6295 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6296 BDINFO_FLAGS_DISABLED);
6297 }
6298 }
6299
6300 tp->rx_rcb_ptr = 0;
6301 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6302
6303 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6304 tp->rx_rcb_mapping,
6305 (TG3_RX_RCB_RING_SIZE(tp) <<
6306 BDINFO_FLAGS_MAXLEN_SHIFT),
6307 0);
6308
6309 tp->rx_std_ptr = tp->rx_pending;
6310 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6311 tp->rx_std_ptr);
6312
0f893dc6 6313 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
1da177e4
LT		 6314 tp->rx_jumbo_pending : 0;
6315 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6316 tp->rx_jumbo_ptr);
6317
6318 /* Initialize MAC address and backoff seed. */
6319 __tg3_set_mac_addr(tp);
6320
6321 /* MTU + ethernet header + FCS + optional VLAN tag */
6322 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6323
6324 /* The slot time is changed by tg3_setup_phy if we
6325 * run at gigabit with half duplex.
6326 */
6327 tw32(MAC_TX_LENGTHS,
6328 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6329 (6 << TX_LENGTHS_IPG_SHIFT) |
6330 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6331
6332 /* Receive rules. */
6333 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6334 tw32(RCVLPC_CONFIG, 0x0181);
6335
6336 /* Calculate RDMAC_MODE setting early, we need it to determine
6337 * the RCVLPC_STATE_ENABLE mask.
6338 */
6339 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6340 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6341 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6342 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6343 RDMAC_MODE_LNGREAD_ENAB);
85e94ced
MC		 6344
6345 /* If statement applies to 5705 and 5750 PCI devices only */
6346 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6347 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6348 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4
LT		 6349 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6350 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6351 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6352 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6353 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6354 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6355 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6356 }
6357 }
6358
85e94ced
MC		 6359 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6360 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6361
1da177e4
LT		 6362 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6363 rdmac_mode |= (1 << 27);
1da177e4
LT		 6364
6365 /* Receive/send statistics. */
1661394e
MC		 6366 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6367 val = tr32(RCVLPC_STATS_ENABLE);
6368 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6369 tw32(RCVLPC_STATS_ENABLE, val);
6370 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6371 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 6372 val = tr32(RCVLPC_STATS_ENABLE);
6373 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6374 tw32(RCVLPC_STATS_ENABLE, val);
6375 } else {
6376 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6377 }
6378 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6379 tw32(SNDDATAI_STATSENAB, 0xffffff);
6380 tw32(SNDDATAI_STATSCTRL,
6381 (SNDDATAI_SCTRL_ENABLE |
6382 SNDDATAI_SCTRL_FASTUPD));
6383
6384 /* Setup host coalescing engine. */
6385 tw32(HOSTCC_MODE, 0);
6386 for (i = 0; i < 2000; i++) {
6387 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6388 break;
6389 udelay(10);
6390 }
6391
d244c892 6392 __tg3_set_coalesce(tp, &tp->coal);
1da177e4
LT		 6393
6394 /* set status block DMA address */
6395 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6396 ((u64) tp->status_mapping >> 32));
6397 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6398 ((u64) tp->status_mapping & 0xffffffff));
6399
6400 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6401 /* Status/statistics block address. See tg3_timer,
6402 * the tg3_periodic_fetch_stats call there, and
6403 * tg3_get_stats to see how this works for 5705/5750 chips.
6404 */
1da177e4
LT		 6405 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6406 ((u64) tp->stats_mapping >> 32));
6407 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6408 ((u64) tp->stats_mapping & 0xffffffff));
6409 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6410 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6411 }
6412
6413 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6414
6415 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6416 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6417 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6418 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6419
6420 /* Clear statistics/status block in chip, and status block in ram. */
6421 for (i = NIC_SRAM_STATS_BLK;
6422 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6423 i += sizeof(u32)) {
6424 tg3_write_mem(tp, i, 0);
6425 udelay(40);
6426 }
6427 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6428
c94e3941
MC		 6429 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6430 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6431 /* reset to prevent losing 1st rx packet intermittently */
6432 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6433 udelay(10);
6434 }
6435
1da177e4
LT		 6436 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6437 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6438 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6439 udelay(40);
6440
314fba34 6441 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 6442 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 6443 * register to preserve the GPIO settings for LOMs. The GPIOs,
6444 * whether used as inputs or outputs, are set by boot code after
6445 * reset.
6446 */
9d26e213 6447 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 6448 u32 gpio_mask;
6449
9d26e213
MC		 6450 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6451 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6452 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 6453
6454 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6455 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6456 GRC_LCLCTRL_GPIO_OUTPUT3;
6457
af36e6b6
MC		 6458 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6459 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6460
314fba34
MC		 6461 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6462
6463 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 6464 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6465 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6466 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 6467 }
1da177e4
LT		 6468 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6469 udelay(100);
6470
09ee929c 6471 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
fac9b83e 6472 tp->last_tag = 0;
1da177e4
LT		 6473
6474 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6475 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6476 udelay(40);
6477 }
6478
6479 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6480 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6481 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6482 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6483 WDMAC_MODE_LNGREAD_ENAB);
6484
85e94ced
MC		 6485 /* If statement applies to 5705 and 5750 PCI devices only */
6486 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6487 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6488 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
1da177e4
LT		 6489 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6490 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6491 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6492 /* nothing */
6493 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6494 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6495 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6496 val |= WDMAC_MODE_RX_ACCEL;
6497 }
6498 }
6499
d9ab5ad1 6500 /* Enable host coalescing bug fix */
af36e6b6
MC		 6501 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6502 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
d9ab5ad1
MC		 6503 val |= (1 << 29);
6504
1da177e4
LT		 6505 tw32_f(WDMAC_MODE, val);
6506 udelay(40);
6507
6508 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6509 val = tr32(TG3PCI_X_CAPS);
6510 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6511 val &= ~PCIX_CAPS_BURST_MASK;
6512 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6513 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6514 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6515 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
1da177e4
LT		 6516 }
6517 tw32(TG3PCI_X_CAPS, val);
6518 }
6519
6520 tw32_f(RDMAC_MODE, rdmac_mode);
6521 udelay(40);
6522
6523 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6524 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6525 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6526 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6527 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6528 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6529 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6530 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 6531 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6532 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
1da177e4
LT		 6533 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6534 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6535
6536 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6537 err = tg3_load_5701_a0_firmware_fix(tp);
6538 if (err)
6539 return err;
6540 }
6541
1da177e4
LT		 6542 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6543 err = tg3_load_tso_firmware(tp);
6544 if (err)
6545 return err;
6546 }
1da177e4
LT		 6547
6548 tp->tx_mode = TX_MODE_ENABLE;
6549 tw32_f(MAC_TX_MODE, tp->tx_mode);
6550 udelay(100);
6551
6552 tp->rx_mode = RX_MODE_ENABLE;
af36e6b6
MC		 6553 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6554 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6555
1da177e4
LT		 6556 tw32_f(MAC_RX_MODE, tp->rx_mode);
6557 udelay(10);
6558
6559 if (tp->link_config.phy_is_low_power) {
6560 tp->link_config.phy_is_low_power = 0;
6561 tp->link_config.speed = tp->link_config.orig_speed;
6562 tp->link_config.duplex = tp->link_config.orig_duplex;
6563 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6564 }
6565
6566 tp->mi_mode = MAC_MI_MODE_BASE;
6567 tw32_f(MAC_MI_MODE, tp->mi_mode);
6568 udelay(80);
6569
6570 tw32(MAC_LED_CTRL, tp->led_ctrl);
6571
6572 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 6573 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 6574 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6575 udelay(10);
6576 }
6577 tw32_f(MAC_RX_MODE, tp->rx_mode);
6578 udelay(10);
6579
6580 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6581 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6582 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6583 /* Set drive transmission level to 1.2V */
6584 /* only if the signal pre-emphasis bit is not set */
6585 val = tr32(MAC_SERDES_CFG);
6586 val &= 0xfffff000;
6587 val |= 0x880;
6588 tw32(MAC_SERDES_CFG, val);
6589 }
6590 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6591 tw32(MAC_SERDES_CFG, 0x616000);
6592 }
6593
6594 /* Prevent chip from dropping frames when flow control
6595 * is enabled.
6596 */
6597 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6598
6599 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6600 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6601 /* Use hardware link auto-negotiation */
6602 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6603 }
6604
d4d2c558
MC		 6605 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6606 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6607 u32 tmp;
6608
6609 tmp = tr32(SERDES_RX_CTRL);
6610 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6611 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6612 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6613 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6614 }
6615
36da4d86 6616 err = tg3_setup_phy(tp, 0);
1da177e4
LT		 6617 if (err)
6618 return err;
6619
715116a1
MC		 6620 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6621 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1da177e4
LT		 6622 u32 tmp;
6623
6624 /* Clear CRC stats. */
569a5df8
MC		 6625 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6626 tg3_writephy(tp, MII_TG3_TEST1,
6627 tmp | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 6628 tg3_readphy(tp, 0x14, &tmp);
6629 }
6630 }
6631
6632 __tg3_set_rx_mode(tp->dev);
6633
6634 /* Initialize receive rules. */
6635 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6636 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6637 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6638 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6639
4cf78e4f 6640 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 6641 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 6642 limit = 8;
6643 else
6644 limit = 16;
6645 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6646 limit -= 4;
6647 switch (limit) {
6648 case 16:
6649 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6650 case 15:
6651 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6652 case 14:
6653 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6654 case 13:
6655 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6656 case 12:
6657 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6658 case 11:
6659 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6660 case 10:
6661 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6662 case 9:
6663 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6664 case 8:
6665 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6666 case 7:
6667 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6668 case 6:
6669 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6670 case 5:
6671 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6672 case 4:
6673 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6674 case 3:
6675 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6676 case 2:
6677 case 1:
6678
6679 default:
6680 break;
6681 };
6682
6683 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6684
1da177e4
LT		 6685 return 0;
6686}
6687
6688/* Called at device open time to get the chip ready for
6689 * packet processing. Invoked with tp->lock held.
6690 */
8e7a22e3 6691static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6692{
6693 int err;
6694
6695 /* Force the chip into D0. */
bc1c7567 6696 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 6697 if (err)
6698 goto out;
6699
6700 tg3_switch_clocks(tp);
6701
6702 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6703
8e7a22e3 6704 err = tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 6705
6706out:
6707 return err;
6708}
6709
6710#define TG3_STAT_ADD32(PSTAT, REG) \
6711do { u32 __val = tr32(REG); \
6712 (PSTAT)->low += __val; \
6713 if ((PSTAT)->low < __val) \
6714 (PSTAT)->high += 1; \
6715} while (0)
6716
6717static void tg3_periodic_fetch_stats(struct tg3 *tp)
6718{
6719 struct tg3_hw_stats *sp = tp->hw_stats;
6720
6721 if (!netif_carrier_ok(tp->dev))
6722 return;
6723
6724 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6725 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6726 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6727 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6728 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6729 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6730 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6731 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6732 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6733 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6734 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6735 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6736 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6737
6738 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6739 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6740 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6741 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6742 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6743 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6744 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6745 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6746 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6747 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6748 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6749 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6750 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6751 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 6752
6753 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6754 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6755 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 6756}
6757
6758static void tg3_timer(unsigned long __opaque)
6759{
6760 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 6761
f475f163
MC		 6762 if (tp->irq_sync)
6763 goto restart_timer;
6764
f47c11ee 6765 spin_lock(&tp->lock);
1da177e4 6766
fac9b83e
DM		 6767 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6768 /* All of this garbage is because when using non-tagged
6769 * IRQ status the mailbox/status_block protocol the chip
6770 * uses with the cpu is race prone.
6771 */
6772 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6773 tw32(GRC_LOCAL_CTRL,
6774 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6775 } else {
6776 tw32(HOSTCC_MODE, tp->coalesce_mode |
6777 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6778 }
1da177e4 6779
fac9b83e
DM		 6780 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6781 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 6782 spin_unlock(&tp->lock);
fac9b83e
DM		 6783 schedule_work(&tp->reset_task);
6784 return;
6785 }
1da177e4
LT		 6786 }
6787
1da177e4
LT		 6788 /* This part only runs once per second. */
6789 if (!--tp->timer_counter) {
fac9b83e
DM		 6790 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6791 tg3_periodic_fetch_stats(tp);
6792
1da177e4
LT		 6793 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6794 u32 mac_stat;
6795 int phy_event;
6796
6797 mac_stat = tr32(MAC_STATUS);
6798
6799 phy_event = 0;
6800 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6801 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6802 phy_event = 1;
6803 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6804 phy_event = 1;
6805
6806 if (phy_event)
6807 tg3_setup_phy(tp, 0);
6808 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6809 u32 mac_stat = tr32(MAC_STATUS);
6810 int need_setup = 0;
6811
6812 if (netif_carrier_ok(tp->dev) &&
6813 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6814 need_setup = 1;
6815 }
6816 if (! netif_carrier_ok(tp->dev) &&
6817 (mac_stat & (MAC_STATUS_PCS_SYNCED |
6818 MAC_STATUS_SIGNAL_DET))) {
6819 need_setup = 1;
6820 }
6821 if (need_setup) {
3d3ebe74
MC		 6822 if (!tp->serdes_counter) {
6823 tw32_f(MAC_MODE,
6824 (tp->mac_mode &
6825 ~MAC_MODE_PORT_MODE_MASK));
6826 udelay(40);
6827 tw32_f(MAC_MODE, tp->mac_mode);
6828 udelay(40);
6829 }
1da177e4
LT		 6830 tg3_setup_phy(tp, 0);
6831 }
747e8f8b
MC		 6832 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6833 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 6834
6835 tp->timer_counter = tp->timer_multiplier;
6836 }
6837
130b8e4d
MC		 6838 /* Heartbeat is only sent once every 2 seconds.
6839 *
6840 * The heartbeat is to tell the ASF firmware that the host
6841 * driver is still alive. In the event that the OS crashes,
6842 * ASF needs to reset the hardware to free up the FIFO space
6843 * that may be filled with rx packets destined for the host.
6844 * If the FIFO is full, ASF will no longer function properly.
6845 *
6846 * Unintended resets have been reported on real time kernels
6847 * where the timer doesn't run on time. Netpoll will also have
6848 * same problem.
6849 *
6850 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6851 * to check the ring condition when the heartbeat is expiring
6852 * before doing the reset. This will prevent most unintended
6853 * resets.
6854 */
1da177e4
LT		 6855 if (!--tp->asf_counter) {
6856 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6857 u32 val;
6858
bbadf503 6859 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 6860 FWCMD_NICDRV_ALIVE3);
bbadf503 6861 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 6862 /* 5 seconds timeout */
bbadf503 6863 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
1da177e4
LT		 6864 val = tr32(GRC_RX_CPU_EVENT);
6865 val |= (1 << 14);
6866 tw32(GRC_RX_CPU_EVENT, val);
6867 }
6868 tp->asf_counter = tp->asf_multiplier;
6869 }
6870
f47c11ee 6871 spin_unlock(&tp->lock);
1da177e4 6872
f475f163 6873restart_timer:
1da177e4
LT		 6874 tp->timer.expires = jiffies + tp->timer_offset;
6875 add_timer(&tp->timer);
6876}
6877
81789ef5 6878static int tg3_request_irq(struct tg3 *tp)
fcfa0a32 6879{
7d12e780 6880 irq_handler_t fn;
fcfa0a32
MC		 6881 unsigned long flags;
6882 struct net_device *dev = tp->dev;
6883
6884 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6885 fn = tg3_msi;
6886 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6887 fn = tg3_msi_1shot;
1fb9df5d 6888 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6889 } else {
6890 fn = tg3_interrupt;
6891 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6892 fn = tg3_interrupt_tagged;
1fb9df5d 6893 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6894 }
6895 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6896}
6897
7938109f
MC		 6898static int tg3_test_interrupt(struct tg3 *tp)
6899{
6900 struct net_device *dev = tp->dev;
b16250e3 6901 int err, i, intr_ok = 0;
7938109f 6902
d4bc3927
MC		 6903 if (!netif_running(dev))
6904 return -ENODEV;
6905
7938109f
MC		 6906 tg3_disable_ints(tp);
6907
6908 free_irq(tp->pdev->irq, dev);
6909
6910 err = request_irq(tp->pdev->irq, tg3_test_isr,
1fb9df5d 6911 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7938109f
MC		 6912 if (err)
6913 return err;
6914
38f3843e 6915 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 6916 tg3_enable_ints(tp);
6917
6918 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6919 HOSTCC_MODE_NOW);
6920
6921 for (i = 0; i < 5; i++) {
b16250e3
MC		 6922 u32 int_mbox, misc_host_ctrl;
6923
09ee929c
MC		 6924 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6925 TG3_64BIT_REG_LOW);
b16250e3
MC		 6926 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6927
6928 if ((int_mbox != 0) ||
6929 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6930 intr_ok = 1;
7938109f 6931 break;
b16250e3
MC		 6932 }
6933
7938109f
MC		 6934 msleep(10);
6935 }
6936
6937 tg3_disable_ints(tp);
6938
6939 free_irq(tp->pdev->irq, dev);
6aa20a22 6940
fcfa0a32 6941 err = tg3_request_irq(tp);
7938109f
MC		 6942
6943 if (err)
6944 return err;
6945
b16250e3 6946 if (intr_ok)
7938109f
MC		 6947 return 0;
6948
6949 return -EIO;
6950}
6951
6952/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6953 * successfully restored
6954 */
6955static int tg3_test_msi(struct tg3 *tp)
6956{
6957 struct net_device *dev = tp->dev;
6958 int err;
6959 u16 pci_cmd;
6960
6961 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6962 return 0;
6963
6964 /* Turn off SERR reporting in case MSI terminates with Master
6965 * Abort.
6966 */
6967 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6968 pci_write_config_word(tp->pdev, PCI_COMMAND,
6969 pci_cmd & ~PCI_COMMAND_SERR);
6970
6971 err = tg3_test_interrupt(tp);
6972
6973 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6974
6975 if (!err)
6976 return 0;
6977
6978 /* other failures */
6979 if (err != -EIO)
6980 return err;
6981
6982 /* MSI test failed, go back to INTx mode */
6983 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6984 "switching to INTx mode. Please report this failure to "
6985 "the PCI maintainer and include system chipset information.\n",
6986 tp->dev->name);
6987
6988 free_irq(tp->pdev->irq, dev);
6989 pci_disable_msi(tp->pdev);
6990
6991 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6992
fcfa0a32 6993 err = tg3_request_irq(tp);
7938109f
MC		 6994 if (err)
6995 return err;
6996
6997 /* Need to reset the chip because the MSI cycle may have terminated
6998 * with Master Abort.
6999 */
f47c11ee 7000 tg3_full_lock(tp, 1);
7938109f 7001
944d980e 7002 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 7003 err = tg3_init_hw(tp, 1);
7938109f 7004
f47c11ee 7005 tg3_full_unlock(tp);
7938109f
MC		 7006
7007 if (err)
7008 free_irq(tp->pdev->irq, dev);
7009
7010 return err;
7011}
7012
1da177e4
LT		 7013static int tg3_open(struct net_device *dev)
7014{
7015 struct tg3 *tp = netdev_priv(dev);
7016 int err;
7017
c49a1561
MC		 7018 netif_carrier_off(tp->dev);
7019
f47c11ee 7020 tg3_full_lock(tp, 0);
1da177e4 7021
bc1c7567 7022 err = tg3_set_power_state(tp, PCI_D0);
12862086
IS		 7023 if (err) {
7024 tg3_full_unlock(tp);
bc1c7567 7025 return err;
12862086 7026 }
bc1c7567 7027
1da177e4
LT		 7028 tg3_disable_ints(tp);
7029 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7030
f47c11ee 7031 tg3_full_unlock(tp);
1da177e4
LT		 7032
7033 /* The placement of this call is tied
7034 * to the setup and use of Host TX descriptors.
7035 */
7036 err = tg3_alloc_consistent(tp);
7037 if (err)
7038 return err;
7039
88b06bc2
MC		 7040 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
7041 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
d4d2c558
MC		 7042 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
7043 !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7044 (tp->pdev_peer == tp->pdev))) {
fac9b83e
DM		 7045 /* All MSI supporting chips should support tagged
7046 * status. Assert that this is the case.
7047 */
7048 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7049 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7050 "Not using MSI.\n", tp->dev->name);
7051 } else if (pci_enable_msi(tp->pdev) == 0) {
88b06bc2
MC		 7052 u32 msi_mode;
7053
7054 msi_mode = tr32(MSGINT_MODE);
7055 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7056 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7057 }
7058 }
fcfa0a32 7059 err = tg3_request_irq(tp);
1da177e4
LT		 7060
7061 if (err) {
88b06bc2
MC		 7062 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7063 pci_disable_msi(tp->pdev);
7064 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7065 }
1da177e4
LT		 7066 tg3_free_consistent(tp);
7067 return err;
7068 }
7069
f47c11ee 7070 tg3_full_lock(tp, 0);
1da177e4 7071
8e7a22e3 7072 err = tg3_init_hw(tp, 1);
1da177e4 7073 if (err) {
944d980e 7074 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7075 tg3_free_rings(tp);
7076 } else {
fac9b83e
DM		 7077 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7078 tp->timer_offset = HZ;
7079 else
7080 tp->timer_offset = HZ / 10;
7081
7082 BUG_ON(tp->timer_offset > HZ);
7083 tp->timer_counter = tp->timer_multiplier =
7084 (HZ / tp->timer_offset);
7085 tp->asf_counter = tp->asf_multiplier =
28fbef78 7086 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 7087
7088 init_timer(&tp->timer);
7089 tp->timer.expires = jiffies + tp->timer_offset;
7090 tp->timer.data = (unsigned long) tp;
7091 tp->timer.function = tg3_timer;
1da177e4
LT		 7092 }
7093
f47c11ee 7094 tg3_full_unlock(tp);
1da177e4
LT		 7095
7096 if (err) {
88b06bc2
MC		 7097 free_irq(tp->pdev->irq, dev);
7098 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7099 pci_disable_msi(tp->pdev);
7100 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7101 }
1da177e4
LT		 7102 tg3_free_consistent(tp);
7103 return err;
7104 }
7105
7938109f
MC		 7106 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7107 err = tg3_test_msi(tp);
fac9b83e 7108
7938109f 7109 if (err) {
f47c11ee 7110 tg3_full_lock(tp, 0);
7938109f
MC		 7111
7112 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7113 pci_disable_msi(tp->pdev);
7114 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7115 }
944d980e 7116 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 7117 tg3_free_rings(tp);
7118 tg3_free_consistent(tp);
7119
f47c11ee 7120 tg3_full_unlock(tp);
7938109f
MC		 7121
7122 return err;
7123 }
fcfa0a32
MC		 7124
7125 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7126 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
b5d3772c 7127 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 7128
b5d3772c
MC		 7129 tw32(PCIE_TRANSACTION_CFG,
7130 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32
MC		 7131 }
7132 }
7938109f
MC		 7133 }
7134
f47c11ee 7135 tg3_full_lock(tp, 0);
1da177e4 7136
7938109f
MC		 7137 add_timer(&tp->timer);
7138 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 7139 tg3_enable_ints(tp);
7140
f47c11ee 7141 tg3_full_unlock(tp);
1da177e4
LT		 7142
7143 netif_start_queue(dev);
7144
7145 return 0;
7146}
7147
7148#if 0
7149/*static*/ void tg3_dump_state(struct tg3 *tp)
7150{
7151 u32 val32, val32_2, val32_3, val32_4, val32_5;
7152 u16 val16;
7153 int i;
7154
7155 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7156 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7157 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7158 val16, val32);
7159
7160 /* MAC block */
7161 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7162 tr32(MAC_MODE), tr32(MAC_STATUS));
7163 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7164 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7165 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7166 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7167 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7168 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7169
7170 /* Send data initiator control block */
7171 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7172 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7173 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7174 tr32(SNDDATAI_STATSCTRL));
7175
7176 /* Send data completion control block */
7177 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7178
7179 /* Send BD ring selector block */
7180 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7181 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7182
7183 /* Send BD initiator control block */
7184 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7185 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7186
7187 /* Send BD completion control block */
7188 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7189
7190 /* Receive list placement control block */
7191 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7192 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7193 printk(" RCVLPC_STATSCTRL[%08x]\n",
7194 tr32(RCVLPC_STATSCTRL));
7195
7196 /* Receive data and receive BD initiator control block */
7197 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7198 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7199
7200 /* Receive data completion control block */
7201 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7202 tr32(RCVDCC_MODE));
7203
7204 /* Receive BD initiator control block */
7205 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7206 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7207
7208 /* Receive BD completion control block */
7209 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7210 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7211
7212 /* Receive list selector control block */
7213 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7214 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7215
7216 /* Mbuf cluster free block */
7217 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7218 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7219
7220 /* Host coalescing control block */
7221 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7222 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7223 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7224 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7225 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7226 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7227 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7228 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7229 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7230 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7231 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7232 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7233
7234 /* Memory arbiter control block */
7235 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7236 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7237
7238 /* Buffer manager control block */
7239 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7240 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7241 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7242 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7243 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7244 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7245 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7246 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7247
7248 /* Read DMA control block */
7249 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7250 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7251
7252 /* Write DMA control block */
7253 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7254 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7255
7256 /* DMA completion block */
7257 printk("DEBUG: DMAC_MODE[%08x]\n",
7258 tr32(DMAC_MODE));
7259
7260 /* GRC block */
7261 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7262 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7263 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7264 tr32(GRC_LOCAL_CTRL));
7265
7266 /* TG3_BDINFOs */
7267 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7268 tr32(RCVDBDI_JUMBO_BD + 0x0),
7269 tr32(RCVDBDI_JUMBO_BD + 0x4),
7270 tr32(RCVDBDI_JUMBO_BD + 0x8),
7271 tr32(RCVDBDI_JUMBO_BD + 0xc));
7272 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7273 tr32(RCVDBDI_STD_BD + 0x0),
7274 tr32(RCVDBDI_STD_BD + 0x4),
7275 tr32(RCVDBDI_STD_BD + 0x8),
7276 tr32(RCVDBDI_STD_BD + 0xc));
7277 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7278 tr32(RCVDBDI_MINI_BD + 0x0),
7279 tr32(RCVDBDI_MINI_BD + 0x4),
7280 tr32(RCVDBDI_MINI_BD + 0x8),
7281 tr32(RCVDBDI_MINI_BD + 0xc));
7282
7283 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7284 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7285 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7286 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7287 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7288 val32, val32_2, val32_3, val32_4);
7289
7290 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7291 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7292 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7293 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7294 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7295 val32, val32_2, val32_3, val32_4);
7296
7297 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7298 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7299 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7300 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7301 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7302 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7303 val32, val32_2, val32_3, val32_4, val32_5);
7304
7305 /* SW status block */
7306 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7307 tp->hw_status->status,
7308 tp->hw_status->status_tag,
7309 tp->hw_status->rx_jumbo_consumer,
7310 tp->hw_status->rx_consumer,
7311 tp->hw_status->rx_mini_consumer,
7312 tp->hw_status->idx[0].rx_producer,
7313 tp->hw_status->idx[0].tx_consumer);
7314
7315 /* SW statistics block */
7316 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7317 ((u32 *)tp->hw_stats)[0],
7318 ((u32 *)tp->hw_stats)[1],
7319 ((u32 *)tp->hw_stats)[2],
7320 ((u32 *)tp->hw_stats)[3]);
7321
7322 /* Mailboxes */
7323 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 7324 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7325 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7326 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7327 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 7328
7329 /* NIC side send descriptors. */
7330 for (i = 0; i < 6; i++) {
7331 unsigned long txd;
7332
7333 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7334 + (i * sizeof(struct tg3_tx_buffer_desc));
7335 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7336 i,
7337 readl(txd + 0x0), readl(txd + 0x4),
7338 readl(txd + 0x8), readl(txd + 0xc));
7339 }
7340
7341 /* NIC side RX descriptors. */
7342 for (i = 0; i < 6; i++) {
7343 unsigned long rxd;
7344
7345 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7346 + (i * sizeof(struct tg3_rx_buffer_desc));
7347 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7348 i,
7349 readl(rxd + 0x0), readl(rxd + 0x4),
7350 readl(rxd + 0x8), readl(rxd + 0xc));
7351 rxd += (4 * sizeof(u32));
7352 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7353 i,
7354 readl(rxd + 0x0), readl(rxd + 0x4),
7355 readl(rxd + 0x8), readl(rxd + 0xc));
7356 }
7357
7358 for (i = 0; i < 6; i++) {
7359 unsigned long rxd;
7360
7361 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7362 + (i * sizeof(struct tg3_rx_buffer_desc));
7363 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7364 i,
7365 readl(rxd + 0x0), readl(rxd + 0x4),
7366 readl(rxd + 0x8), readl(rxd + 0xc));
7367 rxd += (4 * sizeof(u32));
7368 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7369 i,
7370 readl(rxd + 0x0), readl(rxd + 0x4),
7371 readl(rxd + 0x8), readl(rxd + 0xc));
7372 }
7373}
7374#endif
7375
7376static struct net_device_stats *tg3_get_stats(struct net_device *);
7377static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7378
7379static int tg3_close(struct net_device *dev)
7380{
7381 struct tg3 *tp = netdev_priv(dev);
7382
7faa006f
MC		 7383 /* Calling flush_scheduled_work() may deadlock because
7384 * linkwatch_event() may be on the workqueue and it will try to get
7385 * the rtnl_lock which we are holding.
7386 */
7387 while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7388 msleep(1);
7389
1da177e4
LT		 7390 netif_stop_queue(dev);
7391
7392 del_timer_sync(&tp->timer);
7393
f47c11ee 7394 tg3_full_lock(tp, 1);
1da177e4
LT		 7395#if 0
7396 tg3_dump_state(tp);
7397#endif
7398
7399 tg3_disable_ints(tp);
7400
944d980e 7401 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7402 tg3_free_rings(tp);
7403 tp->tg3_flags &=
7404 ~(TG3_FLAG_INIT_COMPLETE |
7405 TG3_FLAG_GOT_SERDES_FLOWCTL);
1da177e4 7406
f47c11ee 7407 tg3_full_unlock(tp);
1da177e4 7408
88b06bc2
MC		 7409 free_irq(tp->pdev->irq, dev);
7410 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7411 pci_disable_msi(tp->pdev);
7412 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7413 }
1da177e4
LT		 7414
7415 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7416 sizeof(tp->net_stats_prev));
7417 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7418 sizeof(tp->estats_prev));
7419
7420 tg3_free_consistent(tp);
7421
bc1c7567
MC		 7422 tg3_set_power_state(tp, PCI_D3hot);
7423
7424 netif_carrier_off(tp->dev);
7425
1da177e4
LT		 7426 return 0;
7427}
7428
7429static inline unsigned long get_stat64(tg3_stat64_t *val)
7430{
7431 unsigned long ret;
7432
7433#if (BITS_PER_LONG == 32)
7434 ret = val->low;
7435#else
7436 ret = ((u64)val->high << 32) | ((u64)val->low);
7437#endif
7438 return ret;
7439}
7440
7441static unsigned long calc_crc_errors(struct tg3 *tp)
7442{
7443 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7444
7445 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7446 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7447 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 7448 u32 val;
7449
f47c11ee 7450 spin_lock_bh(&tp->lock);
569a5df8
MC		 7451 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7452 tg3_writephy(tp, MII_TG3_TEST1,
7453 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 7454 tg3_readphy(tp, 0x14, &val);
7455 } else
7456 val = 0;
f47c11ee 7457 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7458
7459 tp->phy_crc_errors += val;
7460
7461 return tp->phy_crc_errors;
7462 }
7463
7464 return get_stat64(&hw_stats->rx_fcs_errors);
7465}
7466
7467#define ESTAT_ADD(member) \
7468 estats->member = old_estats->member + \
7469 get_stat64(&hw_stats->member)
7470
7471static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7472{
7473 struct tg3_ethtool_stats *estats = &tp->estats;
7474 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7475 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7476
7477 if (!hw_stats)
7478 return old_estats;
7479
7480 ESTAT_ADD(rx_octets);
7481 ESTAT_ADD(rx_fragments);
7482 ESTAT_ADD(rx_ucast_packets);
7483 ESTAT_ADD(rx_mcast_packets);
7484 ESTAT_ADD(rx_bcast_packets);
7485 ESTAT_ADD(rx_fcs_errors);
7486 ESTAT_ADD(rx_align_errors);
7487 ESTAT_ADD(rx_xon_pause_rcvd);
7488 ESTAT_ADD(rx_xoff_pause_rcvd);
7489 ESTAT_ADD(rx_mac_ctrl_rcvd);
7490 ESTAT_ADD(rx_xoff_entered);
7491 ESTAT_ADD(rx_frame_too_long_errors);
7492 ESTAT_ADD(rx_jabbers);
7493 ESTAT_ADD(rx_undersize_packets);
7494 ESTAT_ADD(rx_in_length_errors);
7495 ESTAT_ADD(rx_out_length_errors);
7496 ESTAT_ADD(rx_64_or_less_octet_packets);
7497 ESTAT_ADD(rx_65_to_127_octet_packets);
7498 ESTAT_ADD(rx_128_to_255_octet_packets);
7499 ESTAT_ADD(rx_256_to_511_octet_packets);
7500 ESTAT_ADD(rx_512_to_1023_octet_packets);
7501 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7502 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7503 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7504 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7505 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7506
7507 ESTAT_ADD(tx_octets);
7508 ESTAT_ADD(tx_collisions);
7509 ESTAT_ADD(tx_xon_sent);
7510 ESTAT_ADD(tx_xoff_sent);
7511 ESTAT_ADD(tx_flow_control);
7512 ESTAT_ADD(tx_mac_errors);
7513 ESTAT_ADD(tx_single_collisions);
7514 ESTAT_ADD(tx_mult_collisions);
7515 ESTAT_ADD(tx_deferred);
7516 ESTAT_ADD(tx_excessive_collisions);
7517 ESTAT_ADD(tx_late_collisions);
7518 ESTAT_ADD(tx_collide_2times);
7519 ESTAT_ADD(tx_collide_3times);
7520 ESTAT_ADD(tx_collide_4times);
7521 ESTAT_ADD(tx_collide_5times);
7522 ESTAT_ADD(tx_collide_6times);
7523 ESTAT_ADD(tx_collide_7times);
7524 ESTAT_ADD(tx_collide_8times);
7525 ESTAT_ADD(tx_collide_9times);
7526 ESTAT_ADD(tx_collide_10times);
7527 ESTAT_ADD(tx_collide_11times);
7528 ESTAT_ADD(tx_collide_12times);
7529 ESTAT_ADD(tx_collide_13times);
7530 ESTAT_ADD(tx_collide_14times);
7531 ESTAT_ADD(tx_collide_15times);
7532 ESTAT_ADD(tx_ucast_packets);
7533 ESTAT_ADD(tx_mcast_packets);
7534 ESTAT_ADD(tx_bcast_packets);
7535 ESTAT_ADD(tx_carrier_sense_errors);
7536 ESTAT_ADD(tx_discards);
7537 ESTAT_ADD(tx_errors);
7538
7539 ESTAT_ADD(dma_writeq_full);
7540 ESTAT_ADD(dma_write_prioq_full);
7541 ESTAT_ADD(rxbds_empty);
7542 ESTAT_ADD(rx_discards);
7543 ESTAT_ADD(rx_errors);
7544 ESTAT_ADD(rx_threshold_hit);
7545
7546 ESTAT_ADD(dma_readq_full);
7547 ESTAT_ADD(dma_read_prioq_full);
7548 ESTAT_ADD(tx_comp_queue_full);
7549
7550 ESTAT_ADD(ring_set_send_prod_index);
7551 ESTAT_ADD(ring_status_update);
7552 ESTAT_ADD(nic_irqs);
7553 ESTAT_ADD(nic_avoided_irqs);
7554 ESTAT_ADD(nic_tx_threshold_hit);
7555
7556 return estats;
7557}
7558
7559static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7560{
7561 struct tg3 *tp = netdev_priv(dev);
7562 struct net_device_stats *stats = &tp->net_stats;
7563 struct net_device_stats *old_stats = &tp->net_stats_prev;
7564 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7565
7566 if (!hw_stats)
7567 return old_stats;
7568
7569 stats->rx_packets = old_stats->rx_packets +
7570 get_stat64(&hw_stats->rx_ucast_packets) +
7571 get_stat64(&hw_stats->rx_mcast_packets) +
7572 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 7573
1da177e4
LT		 7574 stats->tx_packets = old_stats->tx_packets +
7575 get_stat64(&hw_stats->tx_ucast_packets) +
7576 get_stat64(&hw_stats->tx_mcast_packets) +
7577 get_stat64(&hw_stats->tx_bcast_packets);
7578
7579 stats->rx_bytes = old_stats->rx_bytes +
7580 get_stat64(&hw_stats->rx_octets);
7581 stats->tx_bytes = old_stats->tx_bytes +
7582 get_stat64(&hw_stats->tx_octets);
7583
7584 stats->rx_errors = old_stats->rx_errors +
4f63b877 7585 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 7586 stats->tx_errors = old_stats->tx_errors +
7587 get_stat64(&hw_stats->tx_errors) +
7588 get_stat64(&hw_stats->tx_mac_errors) +
7589 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7590 get_stat64(&hw_stats->tx_discards);
7591
7592 stats->multicast = old_stats->multicast +
7593 get_stat64(&hw_stats->rx_mcast_packets);
7594 stats->collisions = old_stats->collisions +
7595 get_stat64(&hw_stats->tx_collisions);
7596
7597 stats->rx_length_errors = old_stats->rx_length_errors +
7598 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7599 get_stat64(&hw_stats->rx_undersize_packets);
7600
7601 stats->rx_over_errors = old_stats->rx_over_errors +
7602 get_stat64(&hw_stats->rxbds_empty);
7603 stats->rx_frame_errors = old_stats->rx_frame_errors +
7604 get_stat64(&hw_stats->rx_align_errors);
7605 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7606 get_stat64(&hw_stats->tx_discards);
7607 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7608 get_stat64(&hw_stats->tx_carrier_sense_errors);
7609
7610 stats->rx_crc_errors = old_stats->rx_crc_errors +
7611 calc_crc_errors(tp);
7612
4f63b877
JL		 7613 stats->rx_missed_errors = old_stats->rx_missed_errors +
7614 get_stat64(&hw_stats->rx_discards);
7615
1da177e4
LT		 7616 return stats;
7617}
7618
7619static inline u32 calc_crc(unsigned char *buf, int len)
7620{
7621 u32 reg;
7622 u32 tmp;
7623 int j, k;
7624
7625 reg = 0xffffffff;
7626
7627 for (j = 0; j < len; j++) {
7628 reg ^= buf[j];
7629
7630 for (k = 0; k < 8; k++) {
7631 tmp = reg & 0x01;
7632
7633 reg >>= 1;
7634
7635 if (tmp) {
7636 reg ^= 0xedb88320;
7637 }
7638 }
7639 }
7640
7641 return ~reg;
7642}
7643
7644static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7645{
7646 /* accept or reject all multicast frames */
7647 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7648 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7649 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7650 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7651}
7652
7653static void __tg3_set_rx_mode(struct net_device *dev)
7654{
7655 struct tg3 *tp = netdev_priv(dev);
7656 u32 rx_mode;
7657
7658 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7659 RX_MODE_KEEP_VLAN_TAG);
7660
7661 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7662 * flag clear.
7663 */
7664#if TG3_VLAN_TAG_USED
7665 if (!tp->vlgrp &&
7666 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7667 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7668#else
7669 /* By definition, VLAN is disabled always in this
7670 * case.
7671 */
7672 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7673 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7674#endif
7675
7676 if (dev->flags & IFF_PROMISC) {
7677 /* Promiscuous mode. */
7678 rx_mode |= RX_MODE_PROMISC;
7679 } else if (dev->flags & IFF_ALLMULTI) {
7680 /* Accept all multicast. */
7681 tg3_set_multi (tp, 1);
7682 } else if (dev->mc_count < 1) {
7683 /* Reject all multicast. */
7684 tg3_set_multi (tp, 0);
7685 } else {
7686 /* Accept one or more multicast(s). */
7687 struct dev_mc_list *mclist;
7688 unsigned int i;
7689 u32 mc_filter[4] = { 0, };
7690 u32 regidx;
7691 u32 bit;
7692 u32 crc;
7693
7694 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7695 i++, mclist = mclist->next) {
7696
7697 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7698 bit = ~crc & 0x7f;
7699 regidx = (bit & 0x60) >> 5;
7700 bit &= 0x1f;
7701 mc_filter[regidx] |= (1 << bit);
7702 }
7703
7704 tw32(MAC_HASH_REG_0, mc_filter[0]);
7705 tw32(MAC_HASH_REG_1, mc_filter[1]);
7706 tw32(MAC_HASH_REG_2, mc_filter[2]);
7707 tw32(MAC_HASH_REG_3, mc_filter[3]);
7708 }
7709
7710 if (rx_mode != tp->rx_mode) {
7711 tp->rx_mode = rx_mode;
7712 tw32_f(MAC_RX_MODE, rx_mode);
7713 udelay(10);
7714 }
7715}
7716
7717static void tg3_set_rx_mode(struct net_device *dev)
7718{
7719 struct tg3 *tp = netdev_priv(dev);
7720
e75f7c90
MC		 7721 if (!netif_running(dev))
7722 return;
7723
f47c11ee 7724 tg3_full_lock(tp, 0);
1da177e4 7725 __tg3_set_rx_mode(dev);
f47c11ee 7726 tg3_full_unlock(tp);
1da177e4
LT		 7727}
7728
7729#define TG3_REGDUMP_LEN (32 * 1024)
7730
7731static int tg3_get_regs_len(struct net_device *dev)
7732{
7733 return TG3_REGDUMP_LEN;
7734}
7735
7736static void tg3_get_regs(struct net_device *dev,
7737 struct ethtool_regs *regs, void *_p)
7738{
7739 u32 *p = _p;
7740 struct tg3 *tp = netdev_priv(dev);
7741 u8 *orig_p = _p;
7742 int i;
7743
7744 regs->version = 0;
7745
7746 memset(p, 0, TG3_REGDUMP_LEN);
7747
bc1c7567
MC		 7748 if (tp->link_config.phy_is_low_power)
7749 return;
7750
f47c11ee 7751 tg3_full_lock(tp, 0);
1da177e4
LT		 7752
7753#define __GET_REG32(reg) (*(p)++ = tr32(reg))
7754#define GET_REG32_LOOP(base,len) \
7755do { p = (u32 *)(orig_p + (base)); \
7756 for (i = 0; i < len; i += 4) \
7757 __GET_REG32((base) + i); \
7758} while (0)
7759#define GET_REG32_1(reg) \
7760do { p = (u32 *)(orig_p + (reg)); \
7761 __GET_REG32((reg)); \
7762} while (0)
7763
7764 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7765 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7766 GET_REG32_LOOP(MAC_MODE, 0x4f0);
7767 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7768 GET_REG32_1(SNDDATAC_MODE);
7769 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7770 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7771 GET_REG32_1(SNDBDC_MODE);
7772 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7773 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7774 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7775 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7776 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7777 GET_REG32_1(RCVDCC_MODE);
7778 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7779 GET_REG32_LOOP(RCVCC_MODE, 0x14);
7780 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7781 GET_REG32_1(MBFREE_MODE);
7782 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7783 GET_REG32_LOOP(MEMARB_MODE, 0x10);
7784 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7785 GET_REG32_LOOP(RDMAC_MODE, 0x08);
7786 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 7787 GET_REG32_1(RX_CPU_MODE);
7788 GET_REG32_1(RX_CPU_STATE);
7789 GET_REG32_1(RX_CPU_PGMCTR);
7790 GET_REG32_1(RX_CPU_HWBKPT);
7791 GET_REG32_1(TX_CPU_MODE);
7792 GET_REG32_1(TX_CPU_STATE);
7793 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 7794 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7795 GET_REG32_LOOP(FTQ_RESET, 0x120);
7796 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7797 GET_REG32_1(DMAC_MODE);
7798 GET_REG32_LOOP(GRC_MODE, 0x4c);
7799 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7800 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7801
7802#undef __GET_REG32
7803#undef GET_REG32_LOOP
7804#undef GET_REG32_1
7805
f47c11ee 7806 tg3_full_unlock(tp);
1da177e4
LT		 7807}
7808
7809static int tg3_get_eeprom_len(struct net_device *dev)
7810{
7811 struct tg3 *tp = netdev_priv(dev);
7812
7813 return tp->nvram_size;
7814}
7815
7816static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
1820180b 7817static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
1da177e4
LT		 7818
7819static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7820{
7821 struct tg3 *tp = netdev_priv(dev);
7822 int ret;
7823 u8 *pd;
7824 u32 i, offset, len, val, b_offset, b_count;
7825
bc1c7567
MC		 7826 if (tp->link_config.phy_is_low_power)
7827 return -EAGAIN;
7828
1da177e4
LT		 7829 offset = eeprom->offset;
7830 len = eeprom->len;
7831 eeprom->len = 0;
7832
7833 eeprom->magic = TG3_EEPROM_MAGIC;
7834
7835 if (offset & 3) {
7836 /* adjustments to start on required 4 byte boundary */
7837 b_offset = offset & 3;
7838 b_count = 4 - b_offset;
7839 if (b_count > len) {
7840 /* i.e. offset=1 len=2 */
7841 b_count = len;
7842 }
7843 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7844 if (ret)
7845 return ret;
7846 val = cpu_to_le32(val);
7847 memcpy(data, ((char*)&val) + b_offset, b_count);
7848 len -= b_count;
7849 offset += b_count;
7850 eeprom->len += b_count;
7851 }
7852
7853 /* read bytes upto the last 4 byte boundary */
7854 pd = &data[eeprom->len];
7855 for (i = 0; i < (len - (len & 3)); i += 4) {
7856 ret = tg3_nvram_read(tp, offset + i, &val);
7857 if (ret) {
7858 eeprom->len += i;
7859 return ret;
7860 }
7861 val = cpu_to_le32(val);
7862 memcpy(pd + i, &val, 4);
7863 }
7864 eeprom->len += i;
7865
7866 if (len & 3) {
7867 /* read last bytes not ending on 4 byte boundary */
7868 pd = &data[eeprom->len];
7869 b_count = len & 3;
7870 b_offset = offset + len - b_count;
7871 ret = tg3_nvram_read(tp, b_offset, &val);
7872 if (ret)
7873 return ret;
7874 val = cpu_to_le32(val);
7875 memcpy(pd, ((char*)&val), b_count);
7876 eeprom->len += b_count;
7877 }
7878 return 0;
7879}
7880
6aa20a22 7881static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 7882
7883static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7884{
7885 struct tg3 *tp = netdev_priv(dev);
7886 int ret;
7887 u32 offset, len, b_offset, odd_len, start, end;
7888 u8 *buf;
7889
bc1c7567
MC		 7890 if (tp->link_config.phy_is_low_power)
7891 return -EAGAIN;
7892
1da177e4
LT		 7893 if (eeprom->magic != TG3_EEPROM_MAGIC)
7894 return -EINVAL;
7895
7896 offset = eeprom->offset;
7897 len = eeprom->len;
7898
7899 if ((b_offset = (offset & 3))) {
7900 /* adjustments to start on required 4 byte boundary */
7901 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7902 if (ret)
7903 return ret;
7904 start = cpu_to_le32(start);
7905 len += b_offset;
7906 offset &= ~3;
1c8594b4
MC		 7907 if (len < 4)
7908 len = 4;
1da177e4
LT		 7909 }
7910
7911 odd_len = 0;
1c8594b4 7912 if (len & 3) {
1da177e4
LT		 7913 /* adjustments to end on required 4 byte boundary */
7914 odd_len = 1;
7915 len = (len + 3) & ~3;
7916 ret = tg3_nvram_read(tp, offset+len-4, &end);
7917 if (ret)
7918 return ret;
7919 end = cpu_to_le32(end);
7920 }
7921
7922 buf = data;
7923 if (b_offset || odd_len) {
7924 buf = kmalloc(len, GFP_KERNEL);
7925 if (buf == 0)
7926 return -ENOMEM;
7927 if (b_offset)
7928 memcpy(buf, &start, 4);
7929 if (odd_len)
7930 memcpy(buf+len-4, &end, 4);
7931 memcpy(buf + b_offset, data, eeprom->len);
7932 }
7933
7934 ret = tg3_nvram_write_block(tp, offset, len, buf);
7935
7936 if (buf != data)
7937 kfree(buf);
7938
7939 return ret;
7940}
7941
7942static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7943{
7944 struct tg3 *tp = netdev_priv(dev);
6aa20a22 7945
1da177e4
LT		 7946 cmd->supported = (SUPPORTED_Autoneg);
7947
7948 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7949 cmd->supported |= (SUPPORTED_1000baseT_Half |
7950 SUPPORTED_1000baseT_Full);
7951
ef348144 7952 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 7953 cmd->supported |= (SUPPORTED_100baseT_Half |
7954 SUPPORTED_100baseT_Full |
7955 SUPPORTED_10baseT_Half |
7956 SUPPORTED_10baseT_Full |
7957 SUPPORTED_MII);
ef348144
KK		 7958 cmd->port = PORT_TP;
7959 } else {
1da177e4 7960 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 7961 cmd->port = PORT_FIBRE;
7962 }
6aa20a22 7963
1da177e4
LT		 7964 cmd->advertising = tp->link_config.advertising;
7965 if (netif_running(dev)) {
7966 cmd->speed = tp->link_config.active_speed;
7967 cmd->duplex = tp->link_config.active_duplex;
7968 }
1da177e4
LT		 7969 cmd->phy_address = PHY_ADDR;
7970 cmd->transceiver = 0;
7971 cmd->autoneg = tp->link_config.autoneg;
7972 cmd->maxtxpkt = 0;
7973 cmd->maxrxpkt = 0;
7974 return 0;
7975}
6aa20a22 7976
1da177e4
LT		 7977static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7978{
7979 struct tg3 *tp = netdev_priv(dev);
6aa20a22
JG		 7980
7981 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
1da177e4
LT		 7982 /* These are the only valid advertisement bits allowed. */
7983 if (cmd->autoneg == AUTONEG_ENABLE &&
7984 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7985 ADVERTISED_1000baseT_Full |
7986 ADVERTISED_Autoneg |
7987 ADVERTISED_FIBRE)))
7988 return -EINVAL;
37ff238d
MC		 7989 /* Fiber can only do SPEED_1000. */
7990 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7991 (cmd->speed != SPEED_1000))
7992 return -EINVAL;
7993 /* Copper cannot force SPEED_1000. */
7994 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7995 (cmd->speed == SPEED_1000))
7996 return -EINVAL;
7997 else if ((cmd->speed == SPEED_1000) &&
7998 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7999 return -EINVAL;
1da177e4 8000
f47c11ee 8001 tg3_full_lock(tp, 0);
1da177e4
LT		 8002
8003 tp->link_config.autoneg = cmd->autoneg;
8004 if (cmd->autoneg == AUTONEG_ENABLE) {
8005 tp->link_config.advertising = cmd->advertising;
8006 tp->link_config.speed = SPEED_INVALID;
8007 tp->link_config.duplex = DUPLEX_INVALID;
8008 } else {
8009 tp->link_config.advertising = 0;
8010 tp->link_config.speed = cmd->speed;
8011 tp->link_config.duplex = cmd->duplex;
8012 }
6aa20a22 8013
24fcad6b
MC		 8014 tp->link_config.orig_speed = tp->link_config.speed;
8015 tp->link_config.orig_duplex = tp->link_config.duplex;
8016 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8017
1da177e4
LT		 8018 if (netif_running(dev))
8019 tg3_setup_phy(tp, 1);
8020
f47c11ee 8021 tg3_full_unlock(tp);
6aa20a22 8022
1da177e4
LT		 8023 return 0;
8024}
6aa20a22 8025
1da177e4
LT		 8026static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8027{
8028 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8029
1da177e4
LT		 8030 strcpy(info->driver, DRV_MODULE_NAME);
8031 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 8032 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 8033 strcpy(info->bus_info, pci_name(tp->pdev));
8034}
6aa20a22 8035
1da177e4
LT		 8036static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8037{
8038 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8039
1da177e4
LT		 8040 wol->supported = WAKE_MAGIC;
8041 wol->wolopts = 0;
8042 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8043 wol->wolopts = WAKE_MAGIC;
8044 memset(&wol->sopass, 0, sizeof(wol->sopass));
8045}
6aa20a22 8046
1da177e4
LT		 8047static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8048{
8049 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8050
1da177e4
LT		 8051 if (wol->wolopts & ~WAKE_MAGIC)
8052 return -EINVAL;
8053 if ((wol->wolopts & WAKE_MAGIC) &&
3f7045c1 8054 tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
1da177e4
LT		 8055 !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8056 return -EINVAL;
6aa20a22 8057
f47c11ee 8058 spin_lock_bh(&tp->lock);
1da177e4
LT		 8059 if (wol->wolopts & WAKE_MAGIC)
8060 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8061 else
8062 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
f47c11ee 8063 spin_unlock_bh(&tp->lock);
6aa20a22 8064
1da177e4
LT		 8065 return 0;
8066}
6aa20a22 8067
1da177e4
LT		 8068static u32 tg3_get_msglevel(struct net_device *dev)
8069{
8070 struct tg3 *tp = netdev_priv(dev);
8071 return tp->msg_enable;
8072}
6aa20a22 8073
1da177e4
LT		 8074static void tg3_set_msglevel(struct net_device *dev, u32 value)
8075{
8076 struct tg3 *tp = netdev_priv(dev);
8077 tp->msg_enable = value;
8078}
6aa20a22 8079
1da177e4
LT		 8080static int tg3_set_tso(struct net_device *dev, u32 value)
8081{
8082 struct tg3 *tp = netdev_priv(dev);
8083
8084 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8085 if (value)
8086 return -EINVAL;
8087 return 0;
8088 }
b5d3772c
MC		 8089 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8090 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
b0026624
MC		 8091 if (value)
8092 dev->features |= NETIF_F_TSO6;
8093 else
8094 dev->features &= ~NETIF_F_TSO6;
8095 }
1da177e4
LT		 8096 return ethtool_op_set_tso(dev, value);
8097}
6aa20a22 8098
1da177e4
LT		 8099static int tg3_nway_reset(struct net_device *dev)
8100{
8101 struct tg3 *tp = netdev_priv(dev);
8102 u32 bmcr;
8103 int r;
6aa20a22 8104
1da177e4
LT		 8105 if (!netif_running(dev))
8106 return -EAGAIN;
8107
c94e3941
MC		 8108 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8109 return -EINVAL;
8110
f47c11ee 8111 spin_lock_bh(&tp->lock);
1da177e4
LT		 8112 r = -EINVAL;
8113 tg3_readphy(tp, MII_BMCR, &bmcr);
8114 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
c94e3941
MC		 8115 ((bmcr & BMCR_ANENABLE) ||
8116 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8117 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8118 BMCR_ANENABLE);
1da177e4
LT		 8119 r = 0;
8120 }
f47c11ee 8121 spin_unlock_bh(&tp->lock);
6aa20a22 8122
1da177e4
LT		 8123 return r;
8124}
6aa20a22 8125
1da177e4
LT		 8126static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8127{
8128 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8129
1da177e4
LT		 8130 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8131 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 8132 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8133 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8134 else
8135 ering->rx_jumbo_max_pending = 0;
8136
8137 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 8138
8139 ering->rx_pending = tp->rx_pending;
8140 ering->rx_mini_pending = 0;
4f81c32b
MC		 8141 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8142 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8143 else
8144 ering->rx_jumbo_pending = 0;
8145
1da177e4
LT		 8146 ering->tx_pending = tp->tx_pending;
8147}
6aa20a22 8148
1da177e4
LT		 8149static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8150{
8151 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8152 int irq_sync = 0, err = 0;
6aa20a22 8153
1da177e4
LT		 8154 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8155 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 8156 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8157 (ering->tx_pending <= MAX_SKB_FRAGS) ||
7f62ad5d 8158 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
bc3a9254 8159 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 8160 return -EINVAL;
6aa20a22 8161
bbe832c0 8162 if (netif_running(dev)) {
1da177e4 8163 tg3_netif_stop(tp);
bbe832c0
MC		 8164 irq_sync = 1;
8165 }
1da177e4 8166
bbe832c0 8167 tg3_full_lock(tp, irq_sync);
6aa20a22 8168
1da177e4
LT		 8169 tp->rx_pending = ering->rx_pending;
8170
8171 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8172 tp->rx_pending > 63)
8173 tp->rx_pending = 63;
8174 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8175 tp->tx_pending = ering->tx_pending;
8176
8177 if (netif_running(dev)) {
944d980e 8178 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8179 err = tg3_restart_hw(tp, 1);
8180 if (!err)
8181 tg3_netif_start(tp);
1da177e4
LT		 8182 }
8183
f47c11ee 8184 tg3_full_unlock(tp);
6aa20a22 8185
b9ec6c1b 8186 return err;
1da177e4 8187}
6aa20a22 8188
1da177e4
LT		 8189static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8190{
8191 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8192
1da177e4
LT		 8193 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8194 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8195 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8196}
6aa20a22 8197
1da177e4
LT		 8198static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8199{
8200 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8201 int irq_sync = 0, err = 0;
6aa20a22 8202
bbe832c0 8203 if (netif_running(dev)) {
1da177e4 8204 tg3_netif_stop(tp);
bbe832c0
MC		 8205 irq_sync = 1;
8206 }
1da177e4 8207
bbe832c0 8208 tg3_full_lock(tp, irq_sync);
f47c11ee 8209
1da177e4
LT		 8210 if (epause->autoneg)
8211 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8212 else
8213 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8214 if (epause->rx_pause)
8215 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8216 else
8217 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8218 if (epause->tx_pause)
8219 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8220 else
8221 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8222
8223 if (netif_running(dev)) {
944d980e 8224 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8225 err = tg3_restart_hw(tp, 1);
8226 if (!err)
8227 tg3_netif_start(tp);
1da177e4 8228 }
f47c11ee
DM		 8229
8230 tg3_full_unlock(tp);
6aa20a22 8231
b9ec6c1b 8232 return err;
1da177e4 8233}
6aa20a22 8234
1da177e4
LT		 8235static u32 tg3_get_rx_csum(struct net_device *dev)
8236{
8237 struct tg3 *tp = netdev_priv(dev);
8238 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8239}
6aa20a22 8240
1da177e4
LT		 8241static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8242{
8243 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8244
1da177e4
LT		 8245 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8246 if (data != 0)
8247 return -EINVAL;
8248 return 0;
8249 }
6aa20a22 8250
f47c11ee 8251 spin_lock_bh(&tp->lock);
1da177e4
LT		 8252 if (data)
8253 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8254 else
8255 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 8256 spin_unlock_bh(&tp->lock);
6aa20a22 8257
1da177e4
LT		 8258 return 0;
8259}
6aa20a22 8260
1da177e4
LT		 8261static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8262{
8263 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8264
1da177e4
LT		 8265 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8266 if (data != 0)
8267 return -EINVAL;
8268 return 0;
8269 }
6aa20a22 8270
af36e6b6
MC		 8271 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8272 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf 8273 ethtool_op_set_tx_hw_csum(dev, data);
1da177e4 8274 else
9c27dbdf 8275 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 8276
8277 return 0;
8278}
8279
8280static int tg3_get_stats_count (struct net_device *dev)
8281{
8282 return TG3_NUM_STATS;
8283}
8284
4cafd3f5
MC		 8285static int tg3_get_test_count (struct net_device *dev)
8286{
8287 return TG3_NUM_TEST;
8288}
8289
1da177e4
LT		 8290static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8291{
8292 switch (stringset) {
8293 case ETH_SS_STATS:
8294 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8295 break;
4cafd3f5
MC		 8296 case ETH_SS_TEST:
8297 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8298 break;
1da177e4
LT		 8299 default:
8300 WARN_ON(1); /* we need a WARN() */
8301 break;
8302 }
8303}
8304
4009a93d
MC		 8305static int tg3_phys_id(struct net_device *dev, u32 data)
8306{
8307 struct tg3 *tp = netdev_priv(dev);
8308 int i;
8309
8310 if (!netif_running(tp->dev))
8311 return -EAGAIN;
8312
8313 if (data == 0)
8314 data = 2;
8315
8316 for (i = 0; i < (data * 2); i++) {
8317 if ((i % 2) == 0)
8318 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8319 LED_CTRL_1000MBPS_ON |
8320 LED_CTRL_100MBPS_ON |
8321 LED_CTRL_10MBPS_ON |
8322 LED_CTRL_TRAFFIC_OVERRIDE |
8323 LED_CTRL_TRAFFIC_BLINK |
8324 LED_CTRL_TRAFFIC_LED);
6aa20a22 8325
4009a93d
MC		 8326 else
8327 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8328 LED_CTRL_TRAFFIC_OVERRIDE);
8329
8330 if (msleep_interruptible(500))
8331 break;
8332 }
8333 tw32(MAC_LED_CTRL, tp->led_ctrl);
8334 return 0;
8335}
8336
1da177e4
LT		 8337static void tg3_get_ethtool_stats (struct net_device *dev,
8338 struct ethtool_stats *estats, u64 *tmp_stats)
8339{
8340 struct tg3 *tp = netdev_priv(dev);
8341 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8342}
8343
566f86ad 8344#define NVRAM_TEST_SIZE 0x100
1b27777a 8345#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
b16250e3
MC		 8346#define NVRAM_SELFBOOT_HW_SIZE 0x20
8347#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 8348
8349static int tg3_test_nvram(struct tg3 *tp)
8350{
1b27777a
MC		 8351 u32 *buf, csum, magic;
8352 int i, j, err = 0, size;
566f86ad 8353
1820180b 8354 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1b27777a
MC		 8355 return -EIO;
8356
1b27777a
MC		 8357 if (magic == TG3_EEPROM_MAGIC)
8358 size = NVRAM_TEST_SIZE;
b16250e3 8359 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8360 if ((magic & 0xe00000) == 0x200000)
8361 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8362 else
8363 return 0;
b16250e3
MC		 8364 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8365 size = NVRAM_SELFBOOT_HW_SIZE;
8366 else
1b27777a
MC		 8367 return -EIO;
8368
8369 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 8370 if (buf == NULL)
8371 return -ENOMEM;
8372
1b27777a
MC		 8373 err = -EIO;
8374 for (i = 0, j = 0; i < size; i += 4, j++) {
566f86ad
MC		 8375 u32 val;
8376
8377 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8378 break;
8379 buf[j] = cpu_to_le32(val);
8380 }
1b27777a 8381 if (i < size)
566f86ad
MC		 8382 goto out;
8383
1b27777a 8384 /* Selfboot format */
b16250e3
MC		 8385 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8386 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8387 u8 *buf8 = (u8 *) buf, csum8 = 0;
8388
8389 for (i = 0; i < size; i++)
8390 csum8 += buf8[i];
8391
ad96b485
AB		 8392 if (csum8 == 0) {
8393 err = 0;
8394 goto out;
8395 }
8396
8397 err = -EIO;
8398 goto out;
1b27777a 8399 }
566f86ad 8400
b16250e3
MC		 8401 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8402 TG3_EEPROM_MAGIC_HW) {
8403 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8404 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8405 u8 *buf8 = (u8 *) buf;
8406 int j, k;
8407
8408 /* Separate the parity bits and the data bytes. */
8409 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8410 if ((i == 0) || (i == 8)) {
8411 int l;
8412 u8 msk;
8413
8414 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8415 parity[k++] = buf8[i] & msk;
8416 i++;
8417 }
8418 else if (i == 16) {
8419 int l;
8420 u8 msk;
8421
8422 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8423 parity[k++] = buf8[i] & msk;
8424 i++;
8425
8426 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8427 parity[k++] = buf8[i] & msk;
8428 i++;
8429 }
8430 data[j++] = buf8[i];
8431 }
8432
8433 err = -EIO;
8434 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8435 u8 hw8 = hweight8(data[i]);
8436
8437 if ((hw8 & 0x1) && parity[i])
8438 goto out;
8439 else if (!(hw8 & 0x1) && !parity[i])
8440 goto out;
8441 }
8442 err = 0;
8443 goto out;
8444 }
8445
566f86ad
MC		 8446 /* Bootstrap checksum at offset 0x10 */
8447 csum = calc_crc((unsigned char *) buf, 0x10);
8448 if(csum != cpu_to_le32(buf[0x10/4]))
8449 goto out;
8450
8451 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8452 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8453 if (csum != cpu_to_le32(buf[0xfc/4]))
8454 goto out;
8455
8456 err = 0;
8457
8458out:
8459 kfree(buf);
8460 return err;
8461}
8462
ca43007a
MC		 8463#define TG3_SERDES_TIMEOUT_SEC 2
8464#define TG3_COPPER_TIMEOUT_SEC 6
8465
8466static int tg3_test_link(struct tg3 *tp)
8467{
8468 int i, max;
8469
8470 if (!netif_running(tp->dev))
8471 return -ENODEV;
8472
4c987487 8473 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 8474 max = TG3_SERDES_TIMEOUT_SEC;
8475 else
8476 max = TG3_COPPER_TIMEOUT_SEC;
8477
8478 for (i = 0; i < max; i++) {
8479 if (netif_carrier_ok(tp->dev))
8480 return 0;
8481
8482 if (msleep_interruptible(1000))
8483 break;
8484 }
8485
8486 return -EIO;
8487}
8488
a71116d1 8489/* Only test the commonly used registers */
30ca3e37 8490static int tg3_test_registers(struct tg3 *tp)
a71116d1 8491{
b16250e3 8492 int i, is_5705, is_5750;
a71116d1
MC		 8493 u32 offset, read_mask, write_mask, val, save_val, read_val;
8494 static struct {
8495 u16 offset;
8496 u16 flags;
8497#define TG3_FL_5705 0x1
8498#define TG3_FL_NOT_5705 0x2
8499#define TG3_FL_NOT_5788 0x4
b16250e3 8500#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 8501 u32 read_mask;
8502 u32 write_mask;
8503 } reg_tbl[] = {
8504 /* MAC Control Registers */
8505 { MAC_MODE, TG3_FL_NOT_5705,
8506 0x00000000, 0x00ef6f8c },
8507 { MAC_MODE, TG3_FL_5705,
8508 0x00000000, 0x01ef6b8c },
8509 { MAC_STATUS, TG3_FL_NOT_5705,
8510 0x03800107, 0x00000000 },
8511 { MAC_STATUS, TG3_FL_5705,
8512 0x03800100, 0x00000000 },
8513 { MAC_ADDR_0_HIGH, 0x0000,
8514 0x00000000, 0x0000ffff },
8515 { MAC_ADDR_0_LOW, 0x0000,
8516 0x00000000, 0xffffffff },
8517 { MAC_RX_MTU_SIZE, 0x0000,
8518 0x00000000, 0x0000ffff },
8519 { MAC_TX_MODE, 0x0000,
8520 0x00000000, 0x00000070 },
8521 { MAC_TX_LENGTHS, 0x0000,
8522 0x00000000, 0x00003fff },
8523 { MAC_RX_MODE, TG3_FL_NOT_5705,
8524 0x00000000, 0x000007fc },
8525 { MAC_RX_MODE, TG3_FL_5705,
8526 0x00000000, 0x000007dc },
8527 { MAC_HASH_REG_0, 0x0000,
8528 0x00000000, 0xffffffff },
8529 { MAC_HASH_REG_1, 0x0000,
8530 0x00000000, 0xffffffff },
8531 { MAC_HASH_REG_2, 0x0000,
8532 0x00000000, 0xffffffff },
8533 { MAC_HASH_REG_3, 0x0000,
8534 0x00000000, 0xffffffff },
8535
8536 /* Receive Data and Receive BD Initiator Control Registers. */
8537 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8538 0x00000000, 0xffffffff },
8539 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8540 0x00000000, 0xffffffff },
8541 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8542 0x00000000, 0x00000003 },
8543 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8544 0x00000000, 0xffffffff },
8545 { RCVDBDI_STD_BD+0, 0x0000,
8546 0x00000000, 0xffffffff },
8547 { RCVDBDI_STD_BD+4, 0x0000,
8548 0x00000000, 0xffffffff },
8549 { RCVDBDI_STD_BD+8, 0x0000,
8550 0x00000000, 0xffff0002 },
8551 { RCVDBDI_STD_BD+0xc, 0x0000,
8552 0x00000000, 0xffffffff },
6aa20a22 8553
a71116d1
MC		 8554 /* Receive BD Initiator Control Registers. */
8555 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8556 0x00000000, 0xffffffff },
8557 { RCVBDI_STD_THRESH, TG3_FL_5705,
8558 0x00000000, 0x000003ff },
8559 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8560 0x00000000, 0xffffffff },
6aa20a22 8561
a71116d1
MC		 8562 /* Host Coalescing Control Registers. */
8563 { HOSTCC_MODE, TG3_FL_NOT_5705,
8564 0x00000000, 0x00000004 },
8565 { HOSTCC_MODE, TG3_FL_5705,
8566 0x00000000, 0x000000f6 },
8567 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8568 0x00000000, 0xffffffff },
8569 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8570 0x00000000, 0x000003ff },
8571 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8572 0x00000000, 0xffffffff },
8573 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8574 0x00000000, 0x000003ff },
8575 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8576 0x00000000, 0xffffffff },
8577 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8578 0x00000000, 0x000000ff },
8579 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8580 0x00000000, 0xffffffff },
8581 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8582 0x00000000, 0x000000ff },
8583 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8584 0x00000000, 0xffffffff },
8585 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8586 0x00000000, 0xffffffff },
8587 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8588 0x00000000, 0xffffffff },
8589 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8590 0x00000000, 0x000000ff },
8591 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8592 0x00000000, 0xffffffff },
8593 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8594 0x00000000, 0x000000ff },
8595 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8596 0x00000000, 0xffffffff },
8597 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8598 0x00000000, 0xffffffff },
8599 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8600 0x00000000, 0xffffffff },
8601 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8602 0x00000000, 0xffffffff },
8603 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8604 0x00000000, 0xffffffff },
8605 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8606 0xffffffff, 0x00000000 },
8607 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8608 0xffffffff, 0x00000000 },
8609
8610 /* Buffer Manager Control Registers. */
b16250e3 8611 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 8612 0x00000000, 0x007fff80 },
b16250e3 8613 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 8614 0x00000000, 0x007fffff },
8615 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8616 0x00000000, 0x0000003f },
8617 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8618 0x00000000, 0x000001ff },
8619 { BUFMGR_MB_HIGH_WATER, 0x0000,
8620 0x00000000, 0x000001ff },
8621 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8622 0xffffffff, 0x00000000 },
8623 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8624 0xffffffff, 0x00000000 },
6aa20a22 8625
a71116d1
MC		 8626 /* Mailbox Registers */
8627 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8628 0x00000000, 0x000001ff },
8629 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8630 0x00000000, 0x000001ff },
8631 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8632 0x00000000, 0x000007ff },
8633 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8634 0x00000000, 0x000001ff },
8635
8636 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8637 };
8638
b16250e3
MC		 8639 is_5705 = is_5750 = 0;
8640 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 8641 is_5705 = 1;
b16250e3
MC		 8642 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8643 is_5750 = 1;
8644 }
a71116d1
MC		 8645
8646 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8647 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8648 continue;
8649
8650 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8651 continue;
8652
8653 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8654 (reg_tbl[i].flags & TG3_FL_NOT_5788))
8655 continue;
8656
b16250e3
MC		 8657 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8658 continue;
8659
a71116d1
MC		 8660 offset = (u32) reg_tbl[i].offset;
8661 read_mask = reg_tbl[i].read_mask;
8662 write_mask = reg_tbl[i].write_mask;
8663
8664 /* Save the original register content */
8665 save_val = tr32(offset);
8666
8667 /* Determine the read-only value. */
8668 read_val = save_val & read_mask;
8669
8670 /* Write zero to the register, then make sure the read-only bits
8671 * are not changed and the read/write bits are all zeros.
8672 */
8673 tw32(offset, 0);
8674
8675 val = tr32(offset);
8676
8677 /* Test the read-only and read/write bits. */
8678 if (((val & read_mask) != read_val) || (val & write_mask))
8679 goto out;
8680
8681 /* Write ones to all the bits defined by RdMask and WrMask, then
8682 * make sure the read-only bits are not changed and the
8683 * read/write bits are all ones.
8684 */
8685 tw32(offset, read_mask | write_mask);
8686
8687 val = tr32(offset);
8688
8689 /* Test the read-only bits. */
8690 if ((val & read_mask) != read_val)
8691 goto out;
8692
8693 /* Test the read/write bits. */
8694 if ((val & write_mask) != write_mask)
8695 goto out;
8696
8697 tw32(offset, save_val);
8698 }
8699
8700 return 0;
8701
8702out:
9f88f29f
MC		 8703 if (netif_msg_hw(tp))
8704 printk(KERN_ERR PFX "Register test failed at offset %x\n",
8705 offset);
a71116d1
MC		 8706 tw32(offset, save_val);
8707 return -EIO;
8708}
8709
7942e1db
MC		 8710static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8711{
f71e1309 8712 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 8713 int i;
8714 u32 j;
8715
8716 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8717 for (j = 0; j < len; j += 4) {
8718 u32 val;
8719
8720 tg3_write_mem(tp, offset + j, test_pattern[i]);
8721 tg3_read_mem(tp, offset + j, &val);
8722 if (val != test_pattern[i])
8723 return -EIO;
8724 }
8725 }
8726 return 0;
8727}
8728
8729static int tg3_test_memory(struct tg3 *tp)
8730{
8731 static struct mem_entry {
8732 u32 offset;
8733 u32 len;
8734 } mem_tbl_570x[] = {
38690194 8735 { 0x00000000, 0x00b50},
7942e1db
MC		 8736 { 0x00002000, 0x1c000},
8737 { 0xffffffff, 0x00000}
8738 }, mem_tbl_5705[] = {
8739 { 0x00000100, 0x0000c},
8740 { 0x00000200, 0x00008},
7942e1db
MC		 8741 { 0x00004000, 0x00800},
8742 { 0x00006000, 0x01000},
8743 { 0x00008000, 0x02000},
8744 { 0x00010000, 0x0e000},
8745 { 0xffffffff, 0x00000}
79f4d13a
MC		 8746 }, mem_tbl_5755[] = {
8747 { 0x00000200, 0x00008},
8748 { 0x00004000, 0x00800},
8749 { 0x00006000, 0x00800},
8750 { 0x00008000, 0x02000},
8751 { 0x00010000, 0x0c000},
8752 { 0xffffffff, 0x00000}
b16250e3
MC		 8753 }, mem_tbl_5906[] = {
8754 { 0x00000200, 0x00008},
8755 { 0x00004000, 0x00400},
8756 { 0x00006000, 0x00400},
8757 { 0x00008000, 0x01000},
8758 { 0x00010000, 0x01000},
8759 { 0xffffffff, 0x00000}
7942e1db
MC		 8760 };
8761 struct mem_entry *mem_tbl;
8762 int err = 0;
8763 int i;
8764
79f4d13a 8765 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
af36e6b6
MC		 8766 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8767 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
79f4d13a 8768 mem_tbl = mem_tbl_5755;
b16250e3
MC		 8769 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8770 mem_tbl = mem_tbl_5906;
79f4d13a
MC		 8771 else
8772 mem_tbl = mem_tbl_5705;
8773 } else
7942e1db
MC		 8774 mem_tbl = mem_tbl_570x;
8775
8776 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8777 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8778 mem_tbl[i].len)) != 0)
8779 break;
8780 }
6aa20a22 8781
7942e1db
MC		 8782 return err;
8783}
8784
9f40dead
MC		 8785#define TG3_MAC_LOOPBACK 0
8786#define TG3_PHY_LOOPBACK 1
8787
8788static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 8789{
9f40dead 8790 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
c76949a6
MC		 8791 u32 desc_idx;
8792 struct sk_buff *skb, *rx_skb;
8793 u8 *tx_data;
8794 dma_addr_t map;
8795 int num_pkts, tx_len, rx_len, i, err;
8796 struct tg3_rx_buffer_desc *desc;
8797
9f40dead 8798 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 8799 /* HW errata - mac loopback fails in some cases on 5780.
8800 * Normal traffic and PHY loopback are not affected by
8801 * errata.
8802 */
8803 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8804 return 0;
8805
9f40dead 8806 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
3f7045c1
MC		 8807 MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8808 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8809 mac_mode |= MAC_MODE_PORT_MODE_MII;
8810 else
8811 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 8812 tw32(MAC_MODE, mac_mode);
8813 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 8814 u32 val;
8815
b16250e3
MC		 8816 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8817 u32 phytest;
8818
8819 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8820 u32 phy;
8821
8822 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8823 phytest | MII_TG3_EPHY_SHADOW_EN);
8824 if (!tg3_readphy(tp, 0x1b, &phy))
8825 tg3_writephy(tp, 0x1b, phy & ~0x20);
8826 if (!tg3_readphy(tp, 0x10, &phy))
8827 tg3_writephy(tp, 0x10, phy & ~0x4000);
8828 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8829 }
5d64ad34
MC		 8830 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8831 } else
8832 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1
MC		 8833
8834 tg3_writephy(tp, MII_BMCR, val);
c94e3941 8835 udelay(40);
5d64ad34
MC		 8836
8837 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8838 MAC_MODE_LINK_POLARITY;
8839 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
b16250e3 8840 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
5d64ad34
MC		 8841 mac_mode |= MAC_MODE_PORT_MODE_MII;
8842 } else
8843 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 8844
c94e3941
MC		 8845 /* reset to prevent losing 1st rx packet intermittently */
8846 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8847 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8848 udelay(10);
8849 tw32_f(MAC_RX_MODE, tp->rx_mode);
8850 }
ff18ff02 8851 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
9f40dead 8852 mac_mode &= ~MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 8853 tg3_writephy(tp, MII_TG3_EXT_CTRL,
8854 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8855 }
9f40dead 8856 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 8857 }
8858 else
8859 return -EINVAL;
c76949a6
MC		 8860
8861 err = -EIO;
8862
c76949a6 8863 tx_len = 1514;
a20e9c62 8864 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 8865 if (!skb)
8866 return -ENOMEM;
8867
c76949a6
MC		 8868 tx_data = skb_put(skb, tx_len);
8869 memcpy(tx_data, tp->dev->dev_addr, 6);
8870 memset(tx_data + 6, 0x0, 8);
8871
8872 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8873
8874 for (i = 14; i < tx_len; i++)
8875 tx_data[i] = (u8) (i & 0xff);
8876
8877 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8878
8879 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8880 HOSTCC_MODE_NOW);
8881
8882 udelay(10);
8883
8884 rx_start_idx = tp->hw_status->idx[0].rx_producer;
8885
c76949a6
MC		 8886 num_pkts = 0;
8887
9f40dead 8888 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
c76949a6 8889
9f40dead 8890 tp->tx_prod++;
c76949a6
MC		 8891 num_pkts++;
8892
9f40dead
MC		 8893 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8894 tp->tx_prod);
09ee929c 8895 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
c76949a6
MC		 8896
8897 udelay(10);
8898
3f7045c1
MC		 8899 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
8900 for (i = 0; i < 25; i++) {
c76949a6
MC		 8901 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8902 HOSTCC_MODE_NOW);
8903
8904 udelay(10);
8905
8906 tx_idx = tp->hw_status->idx[0].tx_consumer;
8907 rx_idx = tp->hw_status->idx[0].rx_producer;
9f40dead 8908 if ((tx_idx == tp->tx_prod) &&
c76949a6
MC		 8909 (rx_idx == (rx_start_idx + num_pkts)))
8910 break;
8911 }
8912
8913 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8914 dev_kfree_skb(skb);
8915
9f40dead 8916 if (tx_idx != tp->tx_prod)
c76949a6
MC		 8917 goto out;
8918
8919 if (rx_idx != rx_start_idx + num_pkts)
8920 goto out;
8921
8922 desc = &tp->rx_rcb[rx_start_idx];
8923 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8924 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8925 if (opaque_key != RXD_OPAQUE_RING_STD)
8926 goto out;
8927
8928 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8929 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8930 goto out;
8931
8932 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8933 if (rx_len != tx_len)
8934 goto out;
8935
8936 rx_skb = tp->rx_std_buffers[desc_idx].skb;
8937
8938 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8939 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8940
8941 for (i = 14; i < tx_len; i++) {
8942 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8943 goto out;
8944 }
8945 err = 0;
6aa20a22 8946
c76949a6
MC		 8947 /* tg3_free_rings will unmap and free the rx_skb */
8948out:
8949 return err;
8950}
8951
9f40dead
MC		 8952#define TG3_MAC_LOOPBACK_FAILED 1
8953#define TG3_PHY_LOOPBACK_FAILED 2
8954#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
8955 TG3_PHY_LOOPBACK_FAILED)
8956
8957static int tg3_test_loopback(struct tg3 *tp)
8958{
8959 int err = 0;
8960
8961 if (!netif_running(tp->dev))
8962 return TG3_LOOPBACK_FAILED;
8963
b9ec6c1b
MC		 8964 err = tg3_reset_hw(tp, 1);
8965 if (err)
8966 return TG3_LOOPBACK_FAILED;
9f40dead
MC		 8967
8968 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8969 err |= TG3_MAC_LOOPBACK_FAILED;
8970 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8971 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8972 err |= TG3_PHY_LOOPBACK_FAILED;
8973 }
8974
8975 return err;
8976}
8977
4cafd3f5
MC		 8978static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8979 u64 *data)
8980{
566f86ad
MC		 8981 struct tg3 *tp = netdev_priv(dev);
8982
bc1c7567
MC		 8983 if (tp->link_config.phy_is_low_power)
8984 tg3_set_power_state(tp, PCI_D0);
8985
566f86ad
MC		 8986 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8987
8988 if (tg3_test_nvram(tp) != 0) {
8989 etest->flags |= ETH_TEST_FL_FAILED;
8990 data[0] = 1;
8991 }
ca43007a
MC		 8992 if (tg3_test_link(tp) != 0) {
8993 etest->flags |= ETH_TEST_FL_FAILED;
8994 data[1] = 1;
8995 }
a71116d1 8996 if (etest->flags & ETH_TEST_FL_OFFLINE) {
ec41c7df 8997 int err, irq_sync = 0;
bbe832c0
MC		 8998
8999 if (netif_running(dev)) {
a71116d1 9000 tg3_netif_stop(tp);
bbe832c0
MC		 9001 irq_sync = 1;
9002 }
a71116d1 9003
bbe832c0 9004 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 9005
9006 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 9007 err = tg3_nvram_lock(tp);
a71116d1
MC		 9008 tg3_halt_cpu(tp, RX_CPU_BASE);
9009 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9010 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 9011 if (!err)
9012 tg3_nvram_unlock(tp);
a71116d1 9013
d9ab5ad1
MC		 9014 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9015 tg3_phy_reset(tp);
9016
a71116d1
MC		 9017 if (tg3_test_registers(tp) != 0) {
9018 etest->flags |= ETH_TEST_FL_FAILED;
9019 data[2] = 1;
9020 }
7942e1db
MC		 9021 if (tg3_test_memory(tp) != 0) {
9022 etest->flags |= ETH_TEST_FL_FAILED;
9023 data[3] = 1;
9024 }
9f40dead 9025 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 9026 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 9027
f47c11ee
DM		 9028 tg3_full_unlock(tp);
9029
d4bc3927
MC		 9030 if (tg3_test_interrupt(tp) != 0) {
9031 etest->flags |= ETH_TEST_FL_FAILED;
9032 data[5] = 1;
9033 }
f47c11ee
DM		 9034
9035 tg3_full_lock(tp, 0);
d4bc3927 9036
a71116d1
MC		 9037 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9038 if (netif_running(dev)) {
9039 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 9040 if (!tg3_restart_hw(tp, 1))
9041 tg3_netif_start(tp);
a71116d1 9042 }
f47c11ee
DM		 9043
9044 tg3_full_unlock(tp);
a71116d1 9045 }
bc1c7567
MC		 9046 if (tp->link_config.phy_is_low_power)
9047 tg3_set_power_state(tp, PCI_D3hot);
9048
4cafd3f5
MC		 9049}
9050
1da177e4
LT		 9051static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9052{
9053 struct mii_ioctl_data *data = if_mii(ifr);
9054 struct tg3 *tp = netdev_priv(dev);
9055 int err;
9056
9057 switch(cmd) {
9058 case SIOCGMIIPHY:
9059 data->phy_id = PHY_ADDR;
9060
9061 /* fallthru */
9062 case SIOCGMIIREG: {
9063 u32 mii_regval;
9064
9065 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9066 break; /* We have no PHY */
9067
bc1c7567
MC		 9068 if (tp->link_config.phy_is_low_power)
9069 return -EAGAIN;
9070
f47c11ee 9071 spin_lock_bh(&tp->lock);
1da177e4 9072 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 9073 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9074
9075 data->val_out = mii_regval;
9076
9077 return err;
9078 }
9079
9080 case SIOCSMIIREG:
9081 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9082 break; /* We have no PHY */
9083
9084 if (!capable(CAP_NET_ADMIN))
9085 return -EPERM;
9086
bc1c7567
MC		 9087 if (tp->link_config.phy_is_low_power)
9088 return -EAGAIN;
9089
f47c11ee 9090 spin_lock_bh(&tp->lock);
1da177e4 9091 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 9092 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9093
9094 return err;
9095
9096 default:
9097 /* do nothing */
9098 break;
9099 }
9100 return -EOPNOTSUPP;
9101}
9102
9103#if TG3_VLAN_TAG_USED
9104static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9105{
9106 struct tg3 *tp = netdev_priv(dev);
9107
29315e87
MC		 9108 if (netif_running(dev))
9109 tg3_netif_stop(tp);
9110
f47c11ee 9111 tg3_full_lock(tp, 0);
1da177e4
LT		 9112
9113 tp->vlgrp = grp;
9114
9115 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9116 __tg3_set_rx_mode(dev);
9117
f47c11ee 9118 tg3_full_unlock(tp);
29315e87
MC		 9119
9120 if (netif_running(dev))
9121 tg3_netif_start(tp);
1da177e4
LT		 9122}
9123
9124static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9125{
9126 struct tg3 *tp = netdev_priv(dev);
9127
29315e87
MC		 9128 if (netif_running(dev))
9129 tg3_netif_stop(tp);
9130
f47c11ee 9131 tg3_full_lock(tp, 0);
5c15bdec 9132 vlan_group_set_device(tp->vlgrp, vid, NULL);
f47c11ee 9133 tg3_full_unlock(tp);
29315e87
MC		 9134
9135 if (netif_running(dev))
9136 tg3_netif_start(tp);
1da177e4
LT		 9137}
9138#endif
9139
15f9850d
DM		 9140static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9141{
9142 struct tg3 *tp = netdev_priv(dev);
9143
9144 memcpy(ec, &tp->coal, sizeof(*ec));
9145 return 0;
9146}
9147
d244c892
MC		 9148static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9149{
9150 struct tg3 *tp = netdev_priv(dev);
9151 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9152 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9153
9154 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9155 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9156 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9157 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9158 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9159 }
9160
9161 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9162 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9163 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9164 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9165 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9166 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9167 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9168 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9169 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9170 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9171 return -EINVAL;
9172
9173 /* No rx interrupts will be generated if both are zero */
9174 if ((ec->rx_coalesce_usecs == 0) &&
9175 (ec->rx_max_coalesced_frames == 0))
9176 return -EINVAL;
9177
9178 /* No tx interrupts will be generated if both are zero */
9179 if ((ec->tx_coalesce_usecs == 0) &&
9180 (ec->tx_max_coalesced_frames == 0))
9181 return -EINVAL;
9182
9183 /* Only copy relevant parameters, ignore all others. */
9184 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9185 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9186 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9187 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9188 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9189 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9190 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9191 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9192 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9193
9194 if (netif_running(dev)) {
9195 tg3_full_lock(tp, 0);
9196 __tg3_set_coalesce(tp, &tp->coal);
9197 tg3_full_unlock(tp);
9198 }
9199 return 0;
9200}
9201
7282d491 9202static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 9203 .get_settings = tg3_get_settings,
9204 .set_settings = tg3_set_settings,
9205 .get_drvinfo = tg3_get_drvinfo,
9206 .get_regs_len = tg3_get_regs_len,
9207 .get_regs = tg3_get_regs,
9208 .get_wol = tg3_get_wol,
9209 .set_wol = tg3_set_wol,
9210 .get_msglevel = tg3_get_msglevel,
9211 .set_msglevel = tg3_set_msglevel,
9212 .nway_reset = tg3_nway_reset,
9213 .get_link = ethtool_op_get_link,
9214 .get_eeprom_len = tg3_get_eeprom_len,
9215 .get_eeprom = tg3_get_eeprom,
9216 .set_eeprom = tg3_set_eeprom,
9217 .get_ringparam = tg3_get_ringparam,
9218 .set_ringparam = tg3_set_ringparam,
9219 .get_pauseparam = tg3_get_pauseparam,
9220 .set_pauseparam = tg3_set_pauseparam,
9221 .get_rx_csum = tg3_get_rx_csum,
9222 .set_rx_csum = tg3_set_rx_csum,
9223 .get_tx_csum = ethtool_op_get_tx_csum,
9224 .set_tx_csum = tg3_set_tx_csum,
9225 .get_sg = ethtool_op_get_sg,
9226 .set_sg = ethtool_op_set_sg,
1da177e4
LT		 9227 .get_tso = ethtool_op_get_tso,
9228 .set_tso = tg3_set_tso,
4cafd3f5
MC		 9229 .self_test_count = tg3_get_test_count,
9230 .self_test = tg3_self_test,
1da177e4 9231 .get_strings = tg3_get_strings,
4009a93d 9232 .phys_id = tg3_phys_id,
1da177e4
LT		 9233 .get_stats_count = tg3_get_stats_count,
9234 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 9235 .get_coalesce = tg3_get_coalesce,
d244c892 9236 .set_coalesce = tg3_set_coalesce,
2ff43697 9237 .get_perm_addr = ethtool_op_get_perm_addr,
1da177e4
LT		 9238};
9239
9240static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9241{
1b27777a 9242 u32 cursize, val, magic;
1da177e4
LT		 9243
9244 tp->nvram_size = EEPROM_CHIP_SIZE;
9245
1820180b 9246 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1da177e4
LT		 9247 return;
9248
b16250e3
MC		 9249 if ((magic != TG3_EEPROM_MAGIC) &&
9250 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9251 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 9252 return;
9253
9254 /*
9255 * Size the chip by reading offsets at increasing powers of two.
9256 * When we encounter our validation signature, we know the addressing
9257 * has wrapped around, and thus have our chip size.
9258 */
1b27777a 9259 cursize = 0x10;
1da177e4
LT		 9260
9261 while (cursize < tp->nvram_size) {
1820180b 9262 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
1da177e4
LT		 9263 return;
9264
1820180b 9265 if (val == magic)
1da177e4
LT		 9266 break;
9267
9268 cursize <<= 1;
9269 }
9270
9271 tp->nvram_size = cursize;
9272}
6aa20a22 9273
1da177e4
LT		 9274static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9275{
9276 u32 val;
9277
1820180b 9278 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
1b27777a
MC		 9279 return;
9280
9281 /* Selfboot format */
1820180b 9282 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 9283 tg3_get_eeprom_size(tp);
9284 return;
9285 }
9286
1da177e4
LT		 9287 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9288 if (val != 0) {
9289 tp->nvram_size = (val >> 16) * 1024;
9290 return;
9291 }
9292 }
9293 tp->nvram_size = 0x20000;
9294}
9295
9296static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9297{
9298 u32 nvcfg1;
9299
9300 nvcfg1 = tr32(NVRAM_CFG1);
9301 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9302 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9303 }
9304 else {
9305 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9306 tw32(NVRAM_CFG1, nvcfg1);
9307 }
9308
4c987487 9309 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 9310 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 9311 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9312 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9313 tp->nvram_jedecnum = JEDEC_ATMEL;
9314 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9315 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9316 break;
9317 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9318 tp->nvram_jedecnum = JEDEC_ATMEL;
9319 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9320 break;
9321 case FLASH_VENDOR_ATMEL_EEPROM:
9322 tp->nvram_jedecnum = JEDEC_ATMEL;
9323 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9324 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9325 break;
9326 case FLASH_VENDOR_ST:
9327 tp->nvram_jedecnum = JEDEC_ST;
9328 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9329 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9330 break;
9331 case FLASH_VENDOR_SAIFUN:
9332 tp->nvram_jedecnum = JEDEC_SAIFUN;
9333 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9334 break;
9335 case FLASH_VENDOR_SST_SMALL:
9336 case FLASH_VENDOR_SST_LARGE:
9337 tp->nvram_jedecnum = JEDEC_SST;
9338 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9339 break;
9340 }
9341 }
9342 else {
9343 tp->nvram_jedecnum = JEDEC_ATMEL;
9344 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9345 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9346 }
9347}
9348
361b4ac2
MC		 9349static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9350{
9351 u32 nvcfg1;
9352
9353 nvcfg1 = tr32(NVRAM_CFG1);
9354
e6af301b
MC		 9355 /* NVRAM protection for TPM */
9356 if (nvcfg1 & (1 << 27))
9357 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9358
361b4ac2
MC		 9359 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9360 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9361 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9362 tp->nvram_jedecnum = JEDEC_ATMEL;
9363 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9364 break;
9365 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9366 tp->nvram_jedecnum = JEDEC_ATMEL;
9367 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9368 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9369 break;
9370 case FLASH_5752VENDOR_ST_M45PE10:
9371 case FLASH_5752VENDOR_ST_M45PE20:
9372 case FLASH_5752VENDOR_ST_M45PE40:
9373 tp->nvram_jedecnum = JEDEC_ST;
9374 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9375 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9376 break;
9377 }
9378
9379 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9380 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9381 case FLASH_5752PAGE_SIZE_256:
9382 tp->nvram_pagesize = 256;
9383 break;
9384 case FLASH_5752PAGE_SIZE_512:
9385 tp->nvram_pagesize = 512;
9386 break;
9387 case FLASH_5752PAGE_SIZE_1K:
9388 tp->nvram_pagesize = 1024;
9389 break;
9390 case FLASH_5752PAGE_SIZE_2K:
9391 tp->nvram_pagesize = 2048;
9392 break;
9393 case FLASH_5752PAGE_SIZE_4K:
9394 tp->nvram_pagesize = 4096;
9395 break;
9396 case FLASH_5752PAGE_SIZE_264:
9397 tp->nvram_pagesize = 264;
9398 break;
9399 }
9400 }
9401 else {
9402 /* For eeprom, set pagesize to maximum eeprom size */
9403 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9404
9405 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9406 tw32(NVRAM_CFG1, nvcfg1);
9407 }
9408}
9409
d3c7b886
MC		 9410static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9411{
9412 u32 nvcfg1;
9413
9414 nvcfg1 = tr32(NVRAM_CFG1);
9415
9416 /* NVRAM protection for TPM */
9417 if (nvcfg1 & (1 << 27))
9418 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9419
9420 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9421 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9422 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9423 tp->nvram_jedecnum = JEDEC_ATMEL;
9424 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9425 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9426
9427 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9428 tw32(NVRAM_CFG1, nvcfg1);
9429 break;
9430 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9431 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9432 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9433 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9434 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9435 tp->nvram_jedecnum = JEDEC_ATMEL;
9436 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9437 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9438 tp->nvram_pagesize = 264;
9439 break;
9440 case FLASH_5752VENDOR_ST_M45PE10:
9441 case FLASH_5752VENDOR_ST_M45PE20:
9442 case FLASH_5752VENDOR_ST_M45PE40:
9443 tp->nvram_jedecnum = JEDEC_ST;
9444 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9445 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9446 tp->nvram_pagesize = 256;
9447 break;
9448 }
9449}
9450
1b27777a
MC		 9451static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9452{
9453 u32 nvcfg1;
9454
9455 nvcfg1 = tr32(NVRAM_CFG1);
9456
9457 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9458 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9459 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9460 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9461 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9462 tp->nvram_jedecnum = JEDEC_ATMEL;
9463 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9464 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9465
9466 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9467 tw32(NVRAM_CFG1, nvcfg1);
9468 break;
9469 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9470 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9471 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9472 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9473 tp->nvram_jedecnum = JEDEC_ATMEL;
9474 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9475 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9476 tp->nvram_pagesize = 264;
9477 break;
9478 case FLASH_5752VENDOR_ST_M45PE10:
9479 case FLASH_5752VENDOR_ST_M45PE20:
9480 case FLASH_5752VENDOR_ST_M45PE40:
9481 tp->nvram_jedecnum = JEDEC_ST;
9482 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9483 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9484 tp->nvram_pagesize = 256;
9485 break;
9486 }
9487}
9488
b5d3772c
MC		 9489static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9490{
9491 tp->nvram_jedecnum = JEDEC_ATMEL;
9492 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9493 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9494}
9495
1da177e4
LT		 9496/* Chips other than 5700/5701 use the NVRAM for fetching info. */
9497static void __devinit tg3_nvram_init(struct tg3 *tp)
9498{
1da177e4
LT		 9499 tw32_f(GRC_EEPROM_ADDR,
9500 (EEPROM_ADDR_FSM_RESET |
9501 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9502 EEPROM_ADDR_CLKPERD_SHIFT)));
9503
9d57f01c 9504 msleep(1);
1da177e4
LT		 9505
9506 /* Enable seeprom accesses. */
9507 tw32_f(GRC_LOCAL_CTRL,
9508 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9509 udelay(100);
9510
9511 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9512 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9513 tp->tg3_flags |= TG3_FLAG_NVRAM;
9514
ec41c7df
MC		 9515 if (tg3_nvram_lock(tp)) {
9516 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9517 "tg3_nvram_init failed.\n", tp->dev->name);
9518 return;
9519 }
e6af301b 9520 tg3_enable_nvram_access(tp);
1da177e4 9521
361b4ac2
MC		 9522 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9523 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 9524 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9525 tg3_get_5755_nvram_info(tp);
1b27777a
MC		 9526 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9527 tg3_get_5787_nvram_info(tp);
b5d3772c
MC		 9528 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9529 tg3_get_5906_nvram_info(tp);
361b4ac2
MC		 9530 else
9531 tg3_get_nvram_info(tp);
9532
1da177e4
LT		 9533 tg3_get_nvram_size(tp);
9534
e6af301b 9535 tg3_disable_nvram_access(tp);
381291b7 9536 tg3_nvram_unlock(tp);
1da177e4
LT		 9537
9538 } else {
9539 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9540
9541 tg3_get_eeprom_size(tp);
9542 }
9543}
9544
9545static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9546 u32 offset, u32 *val)
9547{
9548 u32 tmp;
9549 int i;
9550
9551 if (offset > EEPROM_ADDR_ADDR_MASK ||
9552 (offset % 4) != 0)
9553 return -EINVAL;
9554
9555 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9556 EEPROM_ADDR_DEVID_MASK |
9557 EEPROM_ADDR_READ);
9558 tw32(GRC_EEPROM_ADDR,
9559 tmp |
9560 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9561 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9562 EEPROM_ADDR_ADDR_MASK) |
9563 EEPROM_ADDR_READ | EEPROM_ADDR_START);
9564
9d57f01c 9565 for (i = 0; i < 1000; i++) {
1da177e4
LT		 9566 tmp = tr32(GRC_EEPROM_ADDR);
9567
9568 if (tmp & EEPROM_ADDR_COMPLETE)
9569 break;
9d57f01c 9570 msleep(1);
1da177e4
LT		 9571 }
9572 if (!(tmp & EEPROM_ADDR_COMPLETE))
9573 return -EBUSY;
9574
9575 *val = tr32(GRC_EEPROM_DATA);
9576 return 0;
9577}
9578
9579#define NVRAM_CMD_TIMEOUT 10000
9580
9581static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9582{
9583 int i;
9584
9585 tw32(NVRAM_CMD, nvram_cmd);
9586 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9587 udelay(10);
9588 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9589 udelay(10);
9590 break;
9591 }
9592 }
9593 if (i == NVRAM_CMD_TIMEOUT) {
9594 return -EBUSY;
9595 }
9596 return 0;
9597}
9598
1820180b
MC		 9599static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9600{
9601 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9602 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9603 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9604 (tp->nvram_jedecnum == JEDEC_ATMEL))
9605
9606 addr = ((addr / tp->nvram_pagesize) <<
9607 ATMEL_AT45DB0X1B_PAGE_POS) +
9608 (addr % tp->nvram_pagesize);
9609
9610 return addr;
9611}
9612
c4e6575c
MC		 9613static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9614{
9615 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9616 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9617 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9618 (tp->nvram_jedecnum == JEDEC_ATMEL))
9619
9620 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9621 tp->nvram_pagesize) +
9622 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9623
9624 return addr;
9625}
9626
1da177e4
LT		 9627static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9628{
9629 int ret;
9630
1da177e4
LT		 9631 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9632 return tg3_nvram_read_using_eeprom(tp, offset, val);
9633
1820180b 9634 offset = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9635
9636 if (offset > NVRAM_ADDR_MSK)
9637 return -EINVAL;
9638
ec41c7df
MC		 9639 ret = tg3_nvram_lock(tp);
9640 if (ret)
9641 return ret;
1da177e4 9642
e6af301b 9643 tg3_enable_nvram_access(tp);
1da177e4
LT		 9644
9645 tw32(NVRAM_ADDR, offset);
9646 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9647 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9648
9649 if (ret == 0)
9650 *val = swab32(tr32(NVRAM_RDDATA));
9651
e6af301b 9652 tg3_disable_nvram_access(tp);
1da177e4 9653
381291b7
MC		 9654 tg3_nvram_unlock(tp);
9655
1da177e4
LT		 9656 return ret;
9657}
9658
1820180b
MC		 9659static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9660{
9661 int err;
9662 u32 tmp;
9663
9664 err = tg3_nvram_read(tp, offset, &tmp);
9665 *val = swab32(tmp);
9666 return err;
9667}
9668
1da177e4
LT		 9669static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9670 u32 offset, u32 len, u8 *buf)
9671{
9672 int i, j, rc = 0;
9673 u32 val;
9674
9675 for (i = 0; i < len; i += 4) {
9676 u32 addr, data;
9677
9678 addr = offset + i;
9679
9680 memcpy(&data, buf + i, 4);
9681
9682 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9683
9684 val = tr32(GRC_EEPROM_ADDR);
9685 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9686
9687 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9688 EEPROM_ADDR_READ);
9689 tw32(GRC_EEPROM_ADDR, val |
9690 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9691 (addr & EEPROM_ADDR_ADDR_MASK) |
9692 EEPROM_ADDR_START |
9693 EEPROM_ADDR_WRITE);
6aa20a22 9694
9d57f01c 9695 for (j = 0; j < 1000; j++) {
1da177e4
LT		 9696 val = tr32(GRC_EEPROM_ADDR);
9697
9698 if (val & EEPROM_ADDR_COMPLETE)
9699 break;
9d57f01c 9700 msleep(1);
1da177e4
LT		 9701 }
9702 if (!(val & EEPROM_ADDR_COMPLETE)) {
9703 rc = -EBUSY;
9704 break;
9705 }
9706 }
9707
9708 return rc;
9709}
9710
9711/* offset and length are dword aligned */
9712static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9713 u8 *buf)
9714{
9715 int ret = 0;
9716 u32 pagesize = tp->nvram_pagesize;
9717 u32 pagemask = pagesize - 1;
9718 u32 nvram_cmd;
9719 u8 *tmp;
9720
9721 tmp = kmalloc(pagesize, GFP_KERNEL);
9722 if (tmp == NULL)
9723 return -ENOMEM;
9724
9725 while (len) {
9726 int j;
e6af301b 9727 u32 phy_addr, page_off, size;
1da177e4
LT		 9728
9729 phy_addr = offset & ~pagemask;
6aa20a22 9730
1da177e4
LT		 9731 for (j = 0; j < pagesize; j += 4) {
9732 if ((ret = tg3_nvram_read(tp, phy_addr + j,
9733 (u32 *) (tmp + j))))
9734 break;
9735 }
9736 if (ret)
9737 break;
9738
9739 page_off = offset & pagemask;
9740 size = pagesize;
9741 if (len < size)
9742 size = len;
9743
9744 len -= size;
9745
9746 memcpy(tmp + page_off, buf, size);
9747
9748 offset = offset + (pagesize - page_off);
9749
e6af301b 9750 tg3_enable_nvram_access(tp);
1da177e4
LT		 9751
9752 /*
9753 * Before we can erase the flash page, we need
9754 * to issue a special "write enable" command.
9755 */
9756 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9757
9758 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9759 break;
9760
9761 /* Erase the target page */
9762 tw32(NVRAM_ADDR, phy_addr);
9763
9764 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9765 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9766
9767 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9768 break;
9769
9770 /* Issue another write enable to start the write. */
9771 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9772
9773 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9774 break;
9775
9776 for (j = 0; j < pagesize; j += 4) {
9777 u32 data;
9778
9779 data = *((u32 *) (tmp + j));
9780 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9781
9782 tw32(NVRAM_ADDR, phy_addr + j);
9783
9784 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9785 NVRAM_CMD_WR;
9786
9787 if (j == 0)
9788 nvram_cmd |= NVRAM_CMD_FIRST;
9789 else if (j == (pagesize - 4))
9790 nvram_cmd |= NVRAM_CMD_LAST;
9791
9792 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9793 break;
9794 }
9795 if (ret)
9796 break;
9797 }
9798
9799 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9800 tg3_nvram_exec_cmd(tp, nvram_cmd);
9801
9802 kfree(tmp);
9803
9804 return ret;
9805}
9806
9807/* offset and length are dword aligned */
9808static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9809 u8 *buf)
9810{
9811 int i, ret = 0;
9812
9813 for (i = 0; i < len; i += 4, offset += 4) {
9814 u32 data, page_off, phy_addr, nvram_cmd;
9815
9816 memcpy(&data, buf + i, 4);
9817 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9818
9819 page_off = offset % tp->nvram_pagesize;
9820
1820180b 9821 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9822
9823 tw32(NVRAM_ADDR, phy_addr);
9824
9825 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9826
9827 if ((page_off == 0) || (i == 0))
9828 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 9829 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 9830 nvram_cmd |= NVRAM_CMD_LAST;
9831
9832 if (i == (len - 4))
9833 nvram_cmd |= NVRAM_CMD_LAST;
9834
4c987487 9835 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
af36e6b6 9836 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
1b27777a 9837 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
4c987487
MC		 9838 (tp->nvram_jedecnum == JEDEC_ST) &&
9839 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 9840
9841 if ((ret = tg3_nvram_exec_cmd(tp,
9842 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9843 NVRAM_CMD_DONE)))
9844
9845 break;
9846 }
9847 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9848 /* We always do complete word writes to eeprom. */
9849 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9850 }
9851
9852 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9853 break;
9854 }
9855 return ret;
9856}
9857
9858/* offset and length are dword aligned */
9859static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9860{
9861 int ret;
9862
1da177e4 9863 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 9864 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9865 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 9866 udelay(40);
9867 }
9868
9869 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9870 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9871 }
9872 else {
9873 u32 grc_mode;
9874
ec41c7df
MC		 9875 ret = tg3_nvram_lock(tp);
9876 if (ret)
9877 return ret;
1da177e4 9878
e6af301b
MC		 9879 tg3_enable_nvram_access(tp);
9880 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9881 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
1da177e4 9882 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 9883
9884 grc_mode = tr32(GRC_MODE);
9885 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9886
9887 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9888 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9889
9890 ret = tg3_nvram_write_block_buffered(tp, offset, len,
9891 buf);
9892 }
9893 else {
9894 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9895 buf);
9896 }
9897
9898 grc_mode = tr32(GRC_MODE);
9899 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9900
e6af301b 9901 tg3_disable_nvram_access(tp);
1da177e4
LT		 9902 tg3_nvram_unlock(tp);
9903 }
9904
9905 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 9906 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 9907 udelay(40);
9908 }
9909
9910 return ret;
9911}
9912
9913struct subsys_tbl_ent {
9914 u16 subsys_vendor, subsys_devid;
9915 u32 phy_id;
9916};
9917
9918static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9919 /* Broadcom boards. */
9920 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9921 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9922 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9923 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
9924 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9925 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9926 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
9927 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9928 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9929 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9930 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9931
9932 /* 3com boards. */
9933 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9934 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9935 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
9936 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9937 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9938
9939 /* DELL boards. */
9940 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9941 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9942 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9943 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9944
9945 /* Compaq boards. */
9946 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9947 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9948 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
9949 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9950 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9951
9952 /* IBM boards. */
9953 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9954};
9955
9956static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9957{
9958 int i;
9959
9960 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9961 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9962 tp->pdev->subsystem_vendor) &&
9963 (subsys_id_to_phy_id[i].subsys_devid ==
9964 tp->pdev->subsystem_device))
9965 return &subsys_id_to_phy_id[i];
9966 }
9967 return NULL;
9968}
9969
7d0c41ef 9970static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 9971{
1da177e4 9972 u32 val;
caf636c7
MC		 9973 u16 pmcsr;
9974
9975 /* On some early chips the SRAM cannot be accessed in D3hot state,
9976 * so need make sure we're in D0.
9977 */
9978 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9979 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9980 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9981 msleep(1);
7d0c41ef
MC		 9982
9983 /* Make sure register accesses (indirect or otherwise)
9984 * will function correctly.
9985 */
9986 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9987 tp->misc_host_ctrl);
1da177e4 9988
f49639e6
DM		 9989 /* The memory arbiter has to be enabled in order for SRAM accesses
9990 * to succeed. Normally on powerup the tg3 chip firmware will make
9991 * sure it is enabled, but other entities such as system netboot
9992 * code might disable it.
9993 */
9994 val = tr32(MEMARB_MODE);
9995 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9996
1da177e4 9997 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 9998 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9999
f49639e6
DM		 10000 /* Assume an onboard device by default. */
10001 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
72b845e0 10002
b5d3772c 10003 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 10004 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 10005 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10006 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10007 }
b5d3772c
MC		 10008 return;
10009 }
10010
1da177e4
LT		 10011 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
10012 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
10013 u32 nic_cfg, led_cfg;
7d0c41ef
MC		 10014 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10015 int eeprom_phy_serdes = 0;
1da177e4
LT		 10016
10017 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10018 tp->nic_sram_data_cfg = nic_cfg;
10019
10020 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10021 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10022 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10023 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10024 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10025 (ver > 0) && (ver < 0x100))
10026 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10027
1da177e4
LT		 10028 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10029 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10030 eeprom_phy_serdes = 1;
10031
10032 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10033 if (nic_phy_id != 0) {
10034 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10035 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10036
10037 eeprom_phy_id = (id1 >> 16) << 10;
10038 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10039 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10040 } else
10041 eeprom_phy_id = 0;
10042
7d0c41ef 10043 tp->phy_id = eeprom_phy_id;
747e8f8b 10044 if (eeprom_phy_serdes) {
a4e2b347 10045 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 10046 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10047 else
10048 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10049 }
7d0c41ef 10050
cbf46853 10051 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10052 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10053 SHASTA_EXT_LED_MODE_MASK);
cbf46853 10054 else
1da177e4
LT		 10055 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10056
10057 switch (led_cfg) {
10058 default:
10059 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10060 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10061 break;
10062
10063 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10064 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10065 break;
10066
10067 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10068 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 10069
10070 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10071 * read on some older 5700/5701 bootcode.
10072 */
10073 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10074 ASIC_REV_5700 ||
10075 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10076 ASIC_REV_5701)
10077 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10078
1da177e4
LT		 10079 break;
10080
10081 case SHASTA_EXT_LED_SHARED:
10082 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10083 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10084 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10085 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10086 LED_CTRL_MODE_PHY_2);
10087 break;
10088
10089 case SHASTA_EXT_LED_MAC:
10090 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10091 break;
10092
10093 case SHASTA_EXT_LED_COMBO:
10094 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10095 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10096 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10097 LED_CTRL_MODE_PHY_2);
10098 break;
10099
10100 };
10101
10102 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10103 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10104 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10105 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10106
9d26e213 10107 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 10108 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10109 if ((tp->pdev->subsystem_vendor ==
10110 PCI_VENDOR_ID_ARIMA) &&
10111 (tp->pdev->subsystem_device == 0x205a ||
10112 tp->pdev->subsystem_device == 0x2063))
10113 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10114 } else {
f49639e6 10115 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10116 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10117 }
1da177e4
LT		 10118
10119 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10120 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 10121 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10122 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10123 }
10124 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10125 tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10126
10127 if (cfg2 & (1 << 17))
10128 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10129
10130 /* serdes signal pre-emphasis in register 0x590 set by */
10131 /* bootcode if bit 18 is set */
10132 if (cfg2 & (1 << 18))
10133 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10134 }
7d0c41ef
MC		 10135}
10136
10137static int __devinit tg3_phy_probe(struct tg3 *tp)
10138{
10139 u32 hw_phy_id_1, hw_phy_id_2;
10140 u32 hw_phy_id, hw_phy_id_masked;
10141 int err;
1da177e4
LT		 10142
10143 /* Reading the PHY ID register can conflict with ASF
10144 * firwmare access to the PHY hardware.
10145 */
10146 err = 0;
10147 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10148 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10149 } else {
10150 /* Now read the physical PHY_ID from the chip and verify
10151 * that it is sane. If it doesn't look good, we fall back
10152 * to either the hard-coded table based PHY_ID and failing
10153 * that the value found in the eeprom area.
10154 */
10155 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10156 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10157
10158 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10159 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10160 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10161
10162 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10163 }
10164
10165 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10166 tp->phy_id = hw_phy_id;
10167 if (hw_phy_id_masked == PHY_ID_BCM8002)
10168 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 10169 else
10170 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 10171 } else {
7d0c41ef
MC		 10172 if (tp->phy_id != PHY_ID_INVALID) {
10173 /* Do nothing, phy ID already set up in
10174 * tg3_get_eeprom_hw_cfg().
10175 */
1da177e4
LT		 10176 } else {
10177 struct subsys_tbl_ent *p;
10178
10179 /* No eeprom signature? Try the hardcoded
10180 * subsys device table.
10181 */
10182 p = lookup_by_subsys(tp);
10183 if (!p)
10184 return -ENODEV;
10185
10186 tp->phy_id = p->phy_id;
10187 if (!tp->phy_id ||
10188 tp->phy_id == PHY_ID_BCM8002)
10189 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10190 }
10191 }
10192
747e8f8b 10193 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
1da177e4 10194 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 10195 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 10196
10197 tg3_readphy(tp, MII_BMSR, &bmsr);
10198 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10199 (bmsr & BMSR_LSTATUS))
10200 goto skip_phy_reset;
6aa20a22 10201
1da177e4
LT		 10202 err = tg3_phy_reset(tp);
10203 if (err)
10204 return err;
10205
10206 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10207 ADVERTISE_100HALF | ADVERTISE_100FULL |
10208 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10209 tg3_ctrl = 0;
10210 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10211 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10212 MII_TG3_CTRL_ADV_1000_FULL);
10213 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10214 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10215 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10216 MII_TG3_CTRL_ENABLE_AS_MASTER);
10217 }
10218
3600d918
MC		 10219 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10220 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10221 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10222 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 10223 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10224
10225 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10226 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10227
10228 tg3_writephy(tp, MII_BMCR,
10229 BMCR_ANENABLE | BMCR_ANRESTART);
10230 }
10231 tg3_phy_set_wirespeed(tp);
10232
10233 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10234 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10235 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10236 }
10237
10238skip_phy_reset:
10239 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10240 err = tg3_init_5401phy_dsp(tp);
10241 if (err)
10242 return err;
10243 }
10244
10245 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10246 err = tg3_init_5401phy_dsp(tp);
10247 }
10248
747e8f8b 10249 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 10250 tp->link_config.advertising =
10251 (ADVERTISED_1000baseT_Half |
10252 ADVERTISED_1000baseT_Full |
10253 ADVERTISED_Autoneg |
10254 ADVERTISED_FIBRE);
10255 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10256 tp->link_config.advertising &=
10257 ~(ADVERTISED_1000baseT_Half |
10258 ADVERTISED_1000baseT_Full);
10259
10260 return err;
10261}
10262
10263static void __devinit tg3_read_partno(struct tg3 *tp)
10264{
10265 unsigned char vpd_data[256];
af2c6a4a 10266 unsigned int i;
1b27777a 10267 u32 magic;
1da177e4 10268
1820180b 10269 if (tg3_nvram_read_swab(tp, 0x0, &magic))
f49639e6 10270 goto out_not_found;
1da177e4 10271
1820180b 10272 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 10273 for (i = 0; i < 256; i += 4) {
10274 u32 tmp;
1da177e4 10275
1b27777a
MC		 10276 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10277 goto out_not_found;
10278
10279 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10280 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10281 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10282 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10283 }
10284 } else {
10285 int vpd_cap;
10286
10287 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10288 for (i = 0; i < 256; i += 4) {
10289 u32 tmp, j = 0;
10290 u16 tmp16;
10291
10292 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10293 i);
10294 while (j++ < 100) {
10295 pci_read_config_word(tp->pdev, vpd_cap +
10296 PCI_VPD_ADDR, &tmp16);
10297 if (tmp16 & 0x8000)
10298 break;
10299 msleep(1);
10300 }
f49639e6
DM		 10301 if (!(tmp16 & 0x8000))
10302 goto out_not_found;
10303
1b27777a
MC		 10304 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10305 &tmp);
10306 tmp = cpu_to_le32(tmp);
10307 memcpy(&vpd_data[i], &tmp, 4);
10308 }
1da177e4
LT		 10309 }
10310
10311 /* Now parse and find the part number. */
af2c6a4a 10312 for (i = 0; i < 254; ) {
1da177e4 10313 unsigned char val = vpd_data[i];
af2c6a4a 10314 unsigned int block_end;
1da177e4
LT		 10315
10316 if (val == 0x82 || val == 0x91) {
10317 i = (i + 3 +
10318 (vpd_data[i + 1] +
10319 (vpd_data[i + 2] << 8)));
10320 continue;
10321 }
10322
10323 if (val != 0x90)
10324 goto out_not_found;
10325
10326 block_end = (i + 3 +
10327 (vpd_data[i + 1] +
10328 (vpd_data[i + 2] << 8)));
10329 i += 3;
af2c6a4a
MC		 10330
10331 if (block_end > 256)
10332 goto out_not_found;
10333
10334 while (i < (block_end - 2)) {
1da177e4
LT		 10335 if (vpd_data[i + 0] == 'P' &&
10336 vpd_data[i + 1] == 'N') {
10337 int partno_len = vpd_data[i + 2];
10338
af2c6a4a
MC		 10339 i += 3;
10340 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 10341 goto out_not_found;
10342
10343 memcpy(tp->board_part_number,
af2c6a4a 10344 &vpd_data[i], partno_len);
1da177e4
LT		 10345
10346 /* Success. */
10347 return;
10348 }
af2c6a4a 10349 i += 3 + vpd_data[i + 2];
1da177e4
LT		 10350 }
10351
10352 /* Part number not found. */
10353 goto out_not_found;
10354 }
10355
10356out_not_found:
b5d3772c
MC		 10357 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10358 strcpy(tp->board_part_number, "BCM95906");
10359 else
10360 strcpy(tp->board_part_number, "none");
1da177e4
LT		 10361}
10362
c4e6575c
MC		 10363static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10364{
10365 u32 val, offset, start;
10366
10367 if (tg3_nvram_read_swab(tp, 0, &val))
10368 return;
10369
10370 if (val != TG3_EEPROM_MAGIC)
10371 return;
10372
10373 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10374 tg3_nvram_read_swab(tp, 0x4, &start))
10375 return;
10376
10377 offset = tg3_nvram_logical_addr(tp, offset);
10378 if (tg3_nvram_read_swab(tp, offset, &val))
10379 return;
10380
10381 if ((val & 0xfc000000) == 0x0c000000) {
10382 u32 ver_offset, addr;
10383 int i;
10384
10385 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10386 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10387 return;
10388
10389 if (val != 0)
10390 return;
10391
10392 addr = offset + ver_offset - start;
10393 for (i = 0; i < 16; i += 4) {
10394 if (tg3_nvram_read(tp, addr + i, &val))
10395 return;
10396
10397 val = cpu_to_le32(val);
10398 memcpy(tp->fw_ver + i, &val, 4);
10399 }
10400 }
10401}
10402
1da177e4
LT		 10403static int __devinit tg3_get_invariants(struct tg3 *tp)
10404{
10405 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 10406 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10407 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 10408 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10409 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 10410 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10411 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 10412 { },
10413 };
10414 u32 misc_ctrl_reg;
10415 u32 cacheline_sz_reg;
10416 u32 pci_state_reg, grc_misc_cfg;
10417 u32 val;
10418 u16 pci_cmd;
c7835a77 10419 int err, pcie_cap;
1da177e4 10420
1da177e4
LT		 10421 /* Force memory write invalidate off. If we leave it on,
10422 * then on 5700_BX chips we have to enable a workaround.
10423 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10424 * to match the cacheline size. The Broadcom driver have this
10425 * workaround but turns MWI off all the times so never uses
10426 * it. This seems to suggest that the workaround is insufficient.
10427 */
10428 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10429 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10430 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10431
10432 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10433 * has the register indirect write enable bit set before
10434 * we try to access any of the MMIO registers. It is also
10435 * critical that the PCI-X hw workaround situation is decided
10436 * before that as well.
10437 */
10438 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10439 &misc_ctrl_reg);
10440
10441 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10442 MISC_HOST_CTRL_CHIPREV_SHIFT);
10443
ff645bec
MC		 10444 /* Wrong chip ID in 5752 A0. This code can be removed later
10445 * as A0 is not in production.
10446 */
10447 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10448 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10449
6892914f
MC		 10450 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10451 * we need to disable memory and use config. cycles
10452 * only to access all registers. The 5702/03 chips
10453 * can mistakenly decode the special cycles from the
10454 * ICH chipsets as memory write cycles, causing corruption
10455 * of register and memory space. Only certain ICH bridges
10456 * will drive special cycles with non-zero data during the
10457 * address phase which can fall within the 5703's address
10458 * range. This is not an ICH bug as the PCI spec allows
10459 * non-zero address during special cycles. However, only
10460 * these ICH bridges are known to drive non-zero addresses
10461 * during special cycles.
10462 *
10463 * Since special cycles do not cross PCI bridges, we only
10464 * enable this workaround if the 5703 is on the secondary
10465 * bus of these ICH bridges.
10466 */
10467 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10468 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10469 static struct tg3_dev_id {
10470 u32 vendor;
10471 u32 device;
10472 u32 rev;
10473 } ich_chipsets[] = {
10474 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10475 PCI_ANY_ID },
10476 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10477 PCI_ANY_ID },
10478 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10479 0xa },
10480 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10481 PCI_ANY_ID },
10482 { },
10483 };
10484 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10485 struct pci_dev *bridge = NULL;
10486
10487 while (pci_id->vendor != 0) {
10488 bridge = pci_get_device(pci_id->vendor, pci_id->device,
10489 bridge);
10490 if (!bridge) {
10491 pci_id++;
10492 continue;
10493 }
10494 if (pci_id->rev != PCI_ANY_ID) {
10495 u8 rev;
10496
10497 pci_read_config_byte(bridge, PCI_REVISION_ID,
10498 &rev);
10499 if (rev > pci_id->rev)
10500 continue;
10501 }
10502 if (bridge->subordinate &&
10503 (bridge->subordinate->number ==
10504 tp->pdev->bus->number)) {
10505
10506 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10507 pci_dev_put(bridge);
10508 break;
10509 }
10510 }
10511 }
10512
4a29cc2e
MC		 10513 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10514 * DMA addresses > 40-bit. This bridge may have other additional
10515 * 57xx devices behind it in some 4-port NIC designs for example.
10516 * Any tg3 device found behind the bridge will also need the 40-bit
10517 * DMA workaround.
10518 */
a4e2b347
MC		 10519 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10520 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10521 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 10522 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 10523 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 10524 }
4a29cc2e
MC		 10525 else {
10526 struct pci_dev *bridge = NULL;
10527
10528 do {
10529 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10530 PCI_DEVICE_ID_SERVERWORKS_EPB,
10531 bridge);
10532 if (bridge && bridge->subordinate &&
10533 (bridge->subordinate->number <=
10534 tp->pdev->bus->number) &&
10535 (bridge->subordinate->subordinate >=
10536 tp->pdev->bus->number)) {
10537 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10538 pci_dev_put(bridge);
10539 break;
10540 }
10541 } while (bridge);
10542 }
4cf78e4f 10543
1da177e4
LT		 10544 /* Initialize misc host control in PCI block. */
10545 tp->misc_host_ctrl |= (misc_ctrl_reg &
10546 MISC_HOST_CTRL_CHIPREV);
10547 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10548 tp->misc_host_ctrl);
10549
10550 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10551 &cacheline_sz_reg);
10552
10553 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
10554 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
10555 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
10556 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
10557
6708e5cc 10558 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
4cf78e4f 10559 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 10560 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 10561 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
b5d3772c 10562 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
a4e2b347 10563 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 10564 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10565
1b440c56
JL		 10566 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10567 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10568 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10569
5a6f3074 10570 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
af36e6b6 10571 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10572 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10573 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5a6f3074 10574 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
fcfa0a32 10575 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83 10576 } else {
7f62ad5d 10577 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
52c0fd83
MC		 10578 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10579 ASIC_REV_5750 &&
10580 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
7f62ad5d 10581 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
52c0fd83 10582 }
5a6f3074 10583 }
1da177e4 10584
0f893dc6
MC		 10585 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10586 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
d9ab5ad1 10587 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
af36e6b6 10588 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
b5d3772c
MC		 10589 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10590 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
0f893dc6
MC		 10591 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10592
c7835a77
MC		 10593 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10594 if (pcie_cap != 0) {
1da177e4 10595 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
c7835a77
MC		 10596 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10597 u16 lnkctl;
10598
10599 pci_read_config_word(tp->pdev,
10600 pcie_cap + PCI_EXP_LNKCTL,
10601 &lnkctl);
10602 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10603 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10604 }
10605 }
1da177e4 10606
399de50b
MC		 10607 /* If we have an AMD 762 or VIA K8T800 chipset, write
10608 * reordering to the mailbox registers done by the host
10609 * controller can cause major troubles. We read back from
10610 * every mailbox register write to force the writes to be
10611 * posted to the chip in order.
10612 */
10613 if (pci_dev_present(write_reorder_chipsets) &&
10614 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10615 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10616
1da177e4
LT		 10617 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10618 tp->pci_lat_timer < 64) {
10619 tp->pci_lat_timer = 64;
10620
10621 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
10622 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
10623 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
10624 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
10625
10626 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10627 cacheline_sz_reg);
10628 }
10629
10630 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10631 &pci_state_reg);
10632
10633 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10634 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10635
10636 /* If this is a 5700 BX chipset, and we are in PCI-X
10637 * mode, enable register write workaround.
10638 *
10639 * The workaround is to use indirect register accesses
10640 * for all chip writes not to mailbox registers.
10641 */
10642 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10643 u32 pm_reg;
10644 u16 pci_cmd;
10645
10646 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10647
10648 /* The chip can have it's power management PCI config
10649 * space registers clobbered due to this bug.
10650 * So explicitly force the chip into D0 here.
10651 */
10652 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10653 &pm_reg);
10654 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10655 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10656 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10657 pm_reg);
10658
10659 /* Also, force SERR#/PERR# in PCI command. */
10660 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10661 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10662 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10663 }
10664 }
10665
087fe256
MC		 10666 /* 5700 BX chips need to have their TX producer index mailboxes
10667 * written twice to workaround a bug.
10668 */
10669 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10670 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10671
1da177e4
LT		 10672 /* Back to back register writes can cause problems on this chip,
10673 * the workaround is to read back all reg writes except those to
10674 * mailbox regs. See tg3_write_indirect_reg32().
10675 *
10676 * PCI Express 5750_A0 rev chips need this workaround too.
10677 */
10678 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10679 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10680 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10681 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10682
10683 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10684 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10685 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10686 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10687
10688 /* Chip-specific fixup from Broadcom driver */
10689 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10690 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10691 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10692 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10693 }
10694
1ee582d8 10695 /* Default fast path register access methods */
20094930 10696 tp->read32 = tg3_read32;
1ee582d8 10697 tp->write32 = tg3_write32;
09ee929c 10698 tp->read32_mbox = tg3_read32;
20094930 10699 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 10700 tp->write32_tx_mbox = tg3_write32;
10701 tp->write32_rx_mbox = tg3_write32;
10702
10703 /* Various workaround register access methods */
10704 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10705 tp->write32 = tg3_write_indirect_reg32;
10706 else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10707 tp->write32 = tg3_write_flush_reg32;
10708
10709 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10710 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10711 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10712 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10713 tp->write32_rx_mbox = tg3_write_flush_reg32;
10714 }
20094930 10715
6892914f
MC		 10716 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10717 tp->read32 = tg3_read_indirect_reg32;
10718 tp->write32 = tg3_write_indirect_reg32;
10719 tp->read32_mbox = tg3_read_indirect_mbox;
10720 tp->write32_mbox = tg3_write_indirect_mbox;
10721 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10722 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10723
10724 iounmap(tp->regs);
22abe310 10725 tp->regs = NULL;
6892914f
MC		 10726
10727 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10728 pci_cmd &= ~PCI_COMMAND_MEMORY;
10729 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10730 }
b5d3772c
MC		 10731 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10732 tp->read32_mbox = tg3_read32_mbox_5906;
10733 tp->write32_mbox = tg3_write32_mbox_5906;
10734 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10735 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10736 }
6892914f 10737
bbadf503
MC		 10738 if (tp->write32 == tg3_write_indirect_reg32 ||
10739 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10740 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 10741 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 10742 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10743
7d0c41ef 10744 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 10745 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 10746 * determined before calling tg3_set_power_state() so that
10747 * we know whether or not to switch out of Vaux power.
10748 * When the flag is set, it means that GPIO1 is used for eeprom
10749 * write protect and also implies that it is a LOM where GPIOs
10750 * are not used to switch power.
6aa20a22 10751 */
7d0c41ef
MC		 10752 tg3_get_eeprom_hw_cfg(tp);
10753
314fba34
MC		 10754 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10755 * GPIO1 driven high will bring 5700's external PHY out of reset.
10756 * It is also used as eeprom write protect on LOMs.
10757 */
10758 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10759 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10760 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10761 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10762 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 10763 /* Unused GPIO3 must be driven as output on 5752 because there
10764 * are no pull-up resistors on unused GPIO pins.
10765 */
10766 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10767 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 10768
af36e6b6
MC		 10769 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10770 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10771
1da177e4 10772 /* Force the chip into D0. */
bc1c7567 10773 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 10774 if (err) {
10775 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10776 pci_name(tp->pdev));
10777 return err;
10778 }
10779
10780 /* 5700 B0 chips do not support checksumming correctly due
10781 * to hardware bugs.
10782 */
10783 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10784 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10785
1da177e4
LT		 10786 /* Derive initial jumbo mode from MTU assigned in
10787 * ether_setup() via the alloc_etherdev() call
10788 */
0f893dc6 10789 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 10790 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 10791 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 10792
10793 /* Determine WakeOnLan speed to use. */
10794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10795 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10796 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10797 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10798 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10799 } else {
10800 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10801 }
10802
10803 /* A few boards don't want Ethernet@WireSpeed phy feature */
10804 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10805 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10806 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 10807 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
b5d3772c 10808 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
747e8f8b 10809 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 10810 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10811
10812 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10813 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10814 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10815 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10816 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10817
c424cb24
MC		 10818 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10819 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
c1d2a196 10820 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
d4011ada
MC		 10821 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
10822 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
10823 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 10824 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
10825 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
10826 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
c424cb24
MC		 10827 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10828 }
1da177e4 10829
1da177e4 10830 tp->coalesce_mode = 0;
1da177e4
LT		 10831 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10832 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10833 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10834
10835 /* Initialize MAC MI mode, polling disabled. */
10836 tw32_f(MAC_MI_MODE, tp->mi_mode);
10837 udelay(80);
10838
10839 /* Initialize data/descriptor byte/word swapping. */
10840 val = tr32(GRC_MODE);
10841 val &= GRC_MODE_HOST_STACKUP;
10842 tw32(GRC_MODE, val | tp->grc_mode);
10843
10844 tg3_switch_clocks(tp);
10845
10846 /* Clear this out for sanity. */
10847 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10848
10849 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10850 &pci_state_reg);
10851 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10852 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10853 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10854
10855 if (chiprevid == CHIPREV_ID_5701_A0 ||
10856 chiprevid == CHIPREV_ID_5701_B0 ||
10857 chiprevid == CHIPREV_ID_5701_B2 ||
10858 chiprevid == CHIPREV_ID_5701_B5) {
10859 void __iomem *sram_base;
10860
10861 /* Write some dummy words into the SRAM status block
10862 * area, see if it reads back correctly. If the return
10863 * value is bad, force enable the PCIX workaround.
10864 */
10865 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10866
10867 writel(0x00000000, sram_base);
10868 writel(0x00000000, sram_base + 4);
10869 writel(0xffffffff, sram_base + 4);
10870 if (readl(sram_base) != 0x00000000)
10871 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10872 }
10873 }
10874
10875 udelay(50);
10876 tg3_nvram_init(tp);
10877
10878 grc_misc_cfg = tr32(GRC_MISC_CFG);
10879 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10880
1da177e4
LT		 10881 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10882 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10883 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10884 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10885
fac9b83e
DM		 10886 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10887 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10888 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10889 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10890 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10891 HOSTCC_MODE_CLRTICK_TXBD);
10892
10893 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10894 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10895 tp->misc_host_ctrl);
10896 }
10897
1da177e4
LT		 10898 /* these are limited to 10/100 only */
10899 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10900 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10901 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10902 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10903 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10904 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10905 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10906 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10907 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 10908 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
10909 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
b5d3772c 10910 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1da177e4
LT		 10911 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10912
10913 err = tg3_phy_probe(tp);
10914 if (err) {
10915 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10916 pci_name(tp->pdev), err);
10917 /* ... but do not return immediately ... */
10918 }
10919
10920 tg3_read_partno(tp);
c4e6575c 10921 tg3_read_fw_ver(tp);
1da177e4
LT		 10922
10923 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10924 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10925 } else {
10926 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10927 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10928 else
10929 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10930 }
10931
10932 /* 5700 {AX,BX} chips have a broken status block link
10933 * change bit implementation, so we must use the
10934 * status register in those cases.
10935 */
10936 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10937 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10938 else
10939 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10940
10941 /* The led_ctrl is set during tg3_phy_probe, here we might
10942 * have to force the link status polling mechanism based
10943 * upon subsystem IDs.
10944 */
10945 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10946 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10947 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10948 TG3_FLAG_USE_LINKCHG_REG);
10949 }
10950
10951 /* For all SERDES we poll the MAC status register. */
10952 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10953 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10954 else
10955 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10956
5a6f3074 10957 /* All chips before 5787 can get confused if TX buffers
1da177e4
LT		 10958 * straddle the 4GB address boundary in some cases.
10959 */
af36e6b6 10960 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10961 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10962 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
5a6f3074
MC		 10963 tp->dev->hard_start_xmit = tg3_start_xmit;
10964 else
10965 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
1da177e4
LT		 10966
10967 tp->rx_offset = 2;
10968 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10969 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10970 tp->rx_offset = 0;
10971
f92905de
MC		 10972 tp->rx_std_max_post = TG3_RX_RING_SIZE;
10973
10974 /* Increment the rx prod index on the rx std ring by at most
10975 * 8 for these chips to workaround hw errata.
10976 */
10977 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10978 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10979 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10980 tp->rx_std_max_post = 8;
10981
1da177e4
LT		 10982 /* By default, disable wake-on-lan. User can change this
10983 * using ETHTOOL_SWOL.
10984 */
10985 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10986
10987 return err;
10988}
10989
49b6e95f 10990#ifdef CONFIG_SPARC
1da177e4
LT		 10991static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10992{
10993 struct net_device *dev = tp->dev;
10994 struct pci_dev *pdev = tp->pdev;
49b6e95f
DM		 10995 struct device_node *dp = pci_device_to_OF_node(pdev);
10996 unsigned char *addr;
10997 int len;
10998
10999 addr = of_get_property(dp, "local-mac-address", &len);
11000 if (addr && len == 6) {
11001 memcpy(dev->dev_addr, addr, 6);
11002 memcpy(dev->perm_addr, dev->dev_addr, 6);
11003 return 0;
1da177e4
LT		 11004 }
11005 return -ENODEV;
11006}
11007
11008static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11009{
11010 struct net_device *dev = tp->dev;
11011
11012 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 11013 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 11014 return 0;
11015}
11016#endif
11017
11018static int __devinit tg3_get_device_address(struct tg3 *tp)
11019{
11020 struct net_device *dev = tp->dev;
11021 u32 hi, lo, mac_offset;
008652b3 11022 int addr_ok = 0;
1da177e4 11023
49b6e95f 11024#ifdef CONFIG_SPARC
1da177e4
LT		 11025 if (!tg3_get_macaddr_sparc(tp))
11026 return 0;
11027#endif
11028
11029 mac_offset = 0x7c;
f49639e6 11030 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 11031 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 11032 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11033 mac_offset = 0xcc;
11034 if (tg3_nvram_lock(tp))
11035 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11036 else
11037 tg3_nvram_unlock(tp);
11038 }
b5d3772c
MC		 11039 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11040 mac_offset = 0x10;
1da177e4
LT		 11041
11042 /* First try to get it from MAC address mailbox. */
11043 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11044 if ((hi >> 16) == 0x484b) {
11045 dev->dev_addr[0] = (hi >> 8) & 0xff;
11046 dev->dev_addr[1] = (hi >> 0) & 0xff;
11047
11048 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11049 dev->dev_addr[2] = (lo >> 24) & 0xff;
11050 dev->dev_addr[3] = (lo >> 16) & 0xff;
11051 dev->dev_addr[4] = (lo >> 8) & 0xff;
11052 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 11053
008652b3
MC		 11054 /* Some old bootcode may report a 0 MAC address in SRAM */
11055 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11056 }
11057 if (!addr_ok) {
11058 /* Next, try NVRAM. */
f49639e6 11059 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
008652b3
MC		 11060 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11061 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11062 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11063 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11064 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11065 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11066 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11067 }
11068 /* Finally just fetch it out of the MAC control regs. */
11069 else {
11070 hi = tr32(MAC_ADDR_0_HIGH);
11071 lo = tr32(MAC_ADDR_0_LOW);
11072
11073 dev->dev_addr[5] = lo & 0xff;
11074 dev->dev_addr[4] = (lo >> 8) & 0xff;
11075 dev->dev_addr[3] = (lo >> 16) & 0xff;
11076 dev->dev_addr[2] = (lo >> 24) & 0xff;
11077 dev->dev_addr[1] = hi & 0xff;
11078 dev->dev_addr[0] = (hi >> 8) & 0xff;
11079 }
1da177e4
LT		 11080 }
11081
11082 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11083#ifdef CONFIG_SPARC64
11084 if (!tg3_get_default_macaddr_sparc(tp))
11085 return 0;
11086#endif
11087 return -EINVAL;
11088 }
2ff43697 11089 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 11090 return 0;
11091}
11092
59e6b434
DM		 11093#define BOUNDARY_SINGLE_CACHELINE 1
11094#define BOUNDARY_MULTI_CACHELINE 2
11095
11096static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11097{
11098 int cacheline_size;
11099 u8 byte;
11100 int goal;
11101
11102 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11103 if (byte == 0)
11104 cacheline_size = 1024;
11105 else
11106 cacheline_size = (int) byte * 4;
11107
11108 /* On 5703 and later chips, the boundary bits have no
11109 * effect.
11110 */
11111 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11112 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11113 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11114 goto out;
11115
11116#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11117 goal = BOUNDARY_MULTI_CACHELINE;
11118#else
11119#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11120 goal = BOUNDARY_SINGLE_CACHELINE;
11121#else
11122 goal = 0;
11123#endif
11124#endif
11125
11126 if (!goal)
11127 goto out;
11128
11129 /* PCI controllers on most RISC systems tend to disconnect
11130 * when a device tries to burst across a cache-line boundary.
11131 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11132 *
11133 * Unfortunately, for PCI-E there are only limited
11134 * write-side controls for this, and thus for reads
11135 * we will still get the disconnects. We'll also waste
11136 * these PCI cycles for both read and write for chips
11137 * other than 5700 and 5701 which do not implement the
11138 * boundary bits.
11139 */
11140 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11141 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11142 switch (cacheline_size) {
11143 case 16:
11144 case 32:
11145 case 64:
11146 case 128:
11147 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11148 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11149 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11150 } else {
11151 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11152 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11153 }
11154 break;
11155
11156 case 256:
11157 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11158 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11159 break;
11160
11161 default:
11162 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11163 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11164 break;
11165 };
11166 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11167 switch (cacheline_size) {
11168 case 16:
11169 case 32:
11170 case 64:
11171 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11172 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11173 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11174 break;
11175 }
11176 /* fallthrough */
11177 case 128:
11178 default:
11179 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11180 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11181 break;
11182 };
11183 } else {
11184 switch (cacheline_size) {
11185 case 16:
11186 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11187 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11188 DMA_RWCTRL_WRITE_BNDRY_16);
11189 break;
11190 }
11191 /* fallthrough */
11192 case 32:
11193 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11194 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11195 DMA_RWCTRL_WRITE_BNDRY_32);
11196 break;
11197 }
11198 /* fallthrough */
11199 case 64:
11200 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11201 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11202 DMA_RWCTRL_WRITE_BNDRY_64);
11203 break;
11204 }
11205 /* fallthrough */
11206 case 128:
11207 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11208 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11209 DMA_RWCTRL_WRITE_BNDRY_128);
11210 break;
11211 }
11212 /* fallthrough */
11213 case 256:
11214 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11215 DMA_RWCTRL_WRITE_BNDRY_256);
11216 break;
11217 case 512:
11218 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11219 DMA_RWCTRL_WRITE_BNDRY_512);
11220 break;
11221 case 1024:
11222 default:
11223 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11224 DMA_RWCTRL_WRITE_BNDRY_1024);
11225 break;
11226 };
11227 }
11228
11229out:
11230 return val;
11231}
11232
1da177e4
LT		 11233static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11234{
11235 struct tg3_internal_buffer_desc test_desc;
11236 u32 sram_dma_descs;
11237 int i, ret;
11238
11239 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11240
11241 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11242 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11243 tw32(RDMAC_STATUS, 0);
11244 tw32(WDMAC_STATUS, 0);
11245
11246 tw32(BUFMGR_MODE, 0);
11247 tw32(FTQ_RESET, 0);
11248
11249 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11250 test_desc.addr_lo = buf_dma & 0xffffffff;
11251 test_desc.nic_mbuf = 0x00002100;
11252 test_desc.len = size;
11253
11254 /*
11255 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11256 * the *second* time the tg3 driver was getting loaded after an
11257 * initial scan.
11258 *
11259 * Broadcom tells me:
11260 * ...the DMA engine is connected to the GRC block and a DMA
11261 * reset may affect the GRC block in some unpredictable way...
11262 * The behavior of resets to individual blocks has not been tested.
11263 *
11264 * Broadcom noted the GRC reset will also reset all sub-components.
11265 */
11266 if (to_device) {
11267 test_desc.cqid_sqid = (13 << 8) | 2;
11268
11269 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11270 udelay(40);
11271 } else {
11272 test_desc.cqid_sqid = (16 << 8) | 7;
11273
11274 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11275 udelay(40);
11276 }
11277 test_desc.flags = 0x00000005;
11278
11279 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11280 u32 val;
11281
11282 val = *(((u32 *)&test_desc) + i);
11283 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11284 sram_dma_descs + (i * sizeof(u32)));
11285 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11286 }
11287 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11288
11289 if (to_device) {
11290 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11291 } else {
11292 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11293 }
11294
11295 ret = -ENODEV;
11296 for (i = 0; i < 40; i++) {
11297 u32 val;
11298
11299 if (to_device)
11300 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11301 else
11302 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11303 if ((val & 0xffff) == sram_dma_descs) {
11304 ret = 0;
11305 break;
11306 }
11307
11308 udelay(100);
11309 }
11310
11311 return ret;
11312}
11313
ded7340d 11314#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 11315
11316static int __devinit tg3_test_dma(struct tg3 *tp)
11317{
11318 dma_addr_t buf_dma;
59e6b434 11319 u32 *buf, saved_dma_rwctrl;
1da177e4
LT		 11320 int ret;
11321
11322 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11323 if (!buf) {
11324 ret = -ENOMEM;
11325 goto out_nofree;
11326 }
11327
11328 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11329 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11330
59e6b434 11331 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4
LT		 11332
11333 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11334 /* DMA read watermark not used on PCIE */
11335 tp->dma_rwctrl |= 0x00180000;
11336 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 11337 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11338 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 11339 tp->dma_rwctrl |= 0x003f0000;
11340 else
11341 tp->dma_rwctrl |= 0x003f000f;
11342 } else {
11343 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11344 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11345 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 11346 u32 read_water = 0x7;
1da177e4 11347
4a29cc2e
MC		 11348 /* If the 5704 is behind the EPB bridge, we can
11349 * do the less restrictive ONE_DMA workaround for
11350 * better performance.
11351 */
11352 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11353 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11354 tp->dma_rwctrl |= 0x8000;
11355 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 11356 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11357
49afdeb6
MC		 11358 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11359 read_water = 4;
59e6b434 11360 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 11361 tp->dma_rwctrl |=
11362 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11363 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11364 (1 << 23);
4cf78e4f
MC		 11365 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11366 /* 5780 always in PCIX mode */
11367 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 11368 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11369 /* 5714 always in PCIX mode */
11370 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 11371 } else {
11372 tp->dma_rwctrl |= 0x001b000f;
11373 }
11374 }
11375
11376 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11377 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11378 tp->dma_rwctrl &= 0xfffffff0;
11379
11380 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11381 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11382 /* Remove this if it causes problems for some boards. */
11383 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11384
11385 /* On 5700/5701 chips, we need to set this bit.
11386 * Otherwise the chip will issue cacheline transactions
11387 * to streamable DMA memory with not all the byte
11388 * enables turned on. This is an error on several
11389 * RISC PCI controllers, in particular sparc64.
11390 *
11391 * On 5703/5704 chips, this bit has been reassigned
11392 * a different meaning. In particular, it is used
11393 * on those chips to enable a PCI-X workaround.
11394 */
11395 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11396 }
11397
11398 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11399
11400#if 0
11401 /* Unneeded, already done by tg3_get_invariants. */
11402 tg3_switch_clocks(tp);
11403#endif
11404
11405 ret = 0;
11406 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11407 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11408 goto out;
11409
59e6b434
DM		 11410 /* It is best to perform DMA test with maximum write burst size
11411 * to expose the 5700/5701 write DMA bug.
11412 */
11413 saved_dma_rwctrl = tp->dma_rwctrl;
11414 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11415 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11416
1da177e4
LT		 11417 while (1) {
11418 u32 *p = buf, i;
11419
11420 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11421 p[i] = i;
11422
11423 /* Send the buffer to the chip. */
11424 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11425 if (ret) {
11426 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11427 break;
11428 }
11429
11430#if 0
11431 /* validate data reached card RAM correctly. */
11432 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11433 u32 val;
11434 tg3_read_mem(tp, 0x2100 + (i*4), &val);
11435 if (le32_to_cpu(val) != p[i]) {
11436 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
11437 /* ret = -ENODEV here? */
11438 }
11439 p[i] = 0;
11440 }
11441#endif
11442 /* Now read it back. */
11443 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11444 if (ret) {
11445 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11446
11447 break;
11448 }
11449
11450 /* Verify it. */
11451 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11452 if (p[i] == i)
11453 continue;
11454
59e6b434
DM		 11455 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11456 DMA_RWCTRL_WRITE_BNDRY_16) {
11457 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 11458 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11459 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11460 break;
11461 } else {
11462 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11463 ret = -ENODEV;
11464 goto out;
11465 }
11466 }
11467
11468 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11469 /* Success. */
11470 ret = 0;
11471 break;
11472 }
11473 }
59e6b434
DM		 11474 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11475 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 11476 static struct pci_device_id dma_wait_state_chipsets[] = {
11477 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11478 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11479 { },
11480 };
11481
59e6b434 11482 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 11483 * now look for chipsets that are known to expose the
11484 * DMA bug without failing the test.
59e6b434 11485 */
6d1cfbab
MC		 11486 if (pci_dev_present(dma_wait_state_chipsets)) {
11487 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11488 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11489 }
11490 else
11491 /* Safe to use the calculated DMA boundary. */
11492 tp->dma_rwctrl = saved_dma_rwctrl;
11493
59e6b434
DM		 11494 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11495 }
1da177e4
LT		 11496
11497out:
11498 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11499out_nofree:
11500 return ret;
11501}
11502
11503static void __devinit tg3_init_link_config(struct tg3 *tp)
11504{
11505 tp->link_config.advertising =
11506 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11507 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11508 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11509 ADVERTISED_Autoneg | ADVERTISED_MII);
11510 tp->link_config.speed = SPEED_INVALID;
11511 tp->link_config.duplex = DUPLEX_INVALID;
11512 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 11513 tp->link_config.active_speed = SPEED_INVALID;
11514 tp->link_config.active_duplex = DUPLEX_INVALID;
11515 tp->link_config.phy_is_low_power = 0;
11516 tp->link_config.orig_speed = SPEED_INVALID;
11517 tp->link_config.orig_duplex = DUPLEX_INVALID;
11518 tp->link_config.orig_autoneg = AUTONEG_INVALID;
11519}
11520
11521static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11522{
fdfec172
MC		 11523 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11524 tp->bufmgr_config.mbuf_read_dma_low_water =
11525 DEFAULT_MB_RDMA_LOW_WATER_5705;
11526 tp->bufmgr_config.mbuf_mac_rx_low_water =
11527 DEFAULT_MB_MACRX_LOW_WATER_5705;
11528 tp->bufmgr_config.mbuf_high_water =
11529 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 11530 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11531 tp->bufmgr_config.mbuf_mac_rx_low_water =
11532 DEFAULT_MB_MACRX_LOW_WATER_5906;
11533 tp->bufmgr_config.mbuf_high_water =
11534 DEFAULT_MB_HIGH_WATER_5906;
11535 }
fdfec172
MC		 11536
11537 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11538 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11539 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11540 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11541 tp->bufmgr_config.mbuf_high_water_jumbo =
11542 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11543 } else {
11544 tp->bufmgr_config.mbuf_read_dma_low_water =
11545 DEFAULT_MB_RDMA_LOW_WATER;
11546 tp->bufmgr_config.mbuf_mac_rx_low_water =
11547 DEFAULT_MB_MACRX_LOW_WATER;
11548 tp->bufmgr_config.mbuf_high_water =
11549 DEFAULT_MB_HIGH_WATER;
11550
11551 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11552 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11553 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11554 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11555 tp->bufmgr_config.mbuf_high_water_jumbo =
11556 DEFAULT_MB_HIGH_WATER_JUMBO;
11557 }
1da177e4
LT		 11558
11559 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11560 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11561}
11562
11563static char * __devinit tg3_phy_string(struct tg3 *tp)
11564{
11565 switch (tp->phy_id & PHY_ID_MASK) {
11566 case PHY_ID_BCM5400: return "5400";
11567 case PHY_ID_BCM5401: return "5401";
11568 case PHY_ID_BCM5411: return "5411";
11569 case PHY_ID_BCM5701: return "5701";
11570 case PHY_ID_BCM5703: return "5703";
11571 case PHY_ID_BCM5704: return "5704";
11572 case PHY_ID_BCM5705: return "5705";
11573 case PHY_ID_BCM5750: return "5750";
85e94ced 11574 case PHY_ID_BCM5752: return "5752";
a4e2b347 11575 case PHY_ID_BCM5714: return "5714";
4cf78e4f 11576 case PHY_ID_BCM5780: return "5780";
af36e6b6 11577 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 11578 case PHY_ID_BCM5787: return "5787";
126a3368 11579 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 11580 case PHY_ID_BCM5906: return "5906";
1da177e4
LT		 11581 case PHY_ID_BCM8002: return "8002/serdes";
11582 case 0: return "serdes";
11583 default: return "unknown";
11584 };
11585}
11586
f9804ddb
MC		 11587static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11588{
11589 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11590 strcpy(str, "PCI Express");
11591 return str;
11592 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11593 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11594
11595 strcpy(str, "PCIX:");
11596
11597 if ((clock_ctrl == 7) ||
11598 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11599 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11600 strcat(str, "133MHz");
11601 else if (clock_ctrl == 0)
11602 strcat(str, "33MHz");
11603 else if (clock_ctrl == 2)
11604 strcat(str, "50MHz");
11605 else if (clock_ctrl == 4)
11606 strcat(str, "66MHz");
11607 else if (clock_ctrl == 6)
11608 strcat(str, "100MHz");
f9804ddb
MC		 11609 } else {
11610 strcpy(str, "PCI:");
11611 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11612 strcat(str, "66MHz");
11613 else
11614 strcat(str, "33MHz");
11615 }
11616 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11617 strcat(str, ":32-bit");
11618 else
11619 strcat(str, ":64-bit");
11620 return str;
11621}
11622
8c2dc7e1 11623static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 11624{
11625 struct pci_dev *peer;
11626 unsigned int func, devnr = tp->pdev->devfn & ~7;
11627
11628 for (func = 0; func < 8; func++) {
11629 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11630 if (peer && peer != tp->pdev)
11631 break;
11632 pci_dev_put(peer);
11633 }
16fe9d74
MC		 11634 /* 5704 can be configured in single-port mode, set peer to
11635 * tp->pdev in that case.
11636 */
11637 if (!peer) {
11638 peer = tp->pdev;
11639 return peer;
11640 }
1da177e4
LT		 11641
11642 /*
11643 * We don't need to keep the refcount elevated; there's no way
11644 * to remove one half of this device without removing the other
11645 */
11646 pci_dev_put(peer);
11647
11648 return peer;
11649}
11650
15f9850d
DM		 11651static void __devinit tg3_init_coal(struct tg3 *tp)
11652{
11653 struct ethtool_coalesce *ec = &tp->coal;
11654
11655 memset(ec, 0, sizeof(*ec));
11656 ec->cmd = ETHTOOL_GCOALESCE;
11657 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11658 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11659 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11660 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11661 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11662 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11663 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11664 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11665 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11666
11667 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11668 HOSTCC_MODE_CLRTICK_TXBD)) {
11669 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11670 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11671 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11672 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11673 }
d244c892
MC		 11674
11675 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11676 ec->rx_coalesce_usecs_irq = 0;
11677 ec->tx_coalesce_usecs_irq = 0;
11678 ec->stats_block_coalesce_usecs = 0;
11679 }
15f9850d
DM		 11680}
11681
1da177e4
LT		 11682static int __devinit tg3_init_one(struct pci_dev *pdev,
11683 const struct pci_device_id *ent)
11684{
11685 static int tg3_version_printed = 0;
11686 unsigned long tg3reg_base, tg3reg_len;
11687 struct net_device *dev;
11688 struct tg3 *tp;
72f2afb8 11689 int i, err, pm_cap;
f9804ddb 11690 char str[40];
72f2afb8 11691 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 11692
11693 if (tg3_version_printed++ == 0)
11694 printk(KERN_INFO "%s", version);
11695
11696 err = pci_enable_device(pdev);
11697 if (err) {
11698 printk(KERN_ERR PFX "Cannot enable PCI device, "
11699 "aborting.\n");
11700 return err;
11701 }
11702
11703 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11704 printk(KERN_ERR PFX "Cannot find proper PCI device "
11705 "base address, aborting.\n");
11706 err = -ENODEV;
11707 goto err_out_disable_pdev;
11708 }
11709
11710 err = pci_request_regions(pdev, DRV_MODULE_NAME);
11711 if (err) {
11712 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11713 "aborting.\n");
11714 goto err_out_disable_pdev;
11715 }
11716
11717 pci_set_master(pdev);
11718
11719 /* Find power-management capability. */
11720 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11721 if (pm_cap == 0) {
11722 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11723 "aborting.\n");
11724 err = -EIO;
11725 goto err_out_free_res;
11726 }
11727
1da177e4
LT		 11728 tg3reg_base = pci_resource_start(pdev, 0);
11729 tg3reg_len = pci_resource_len(pdev, 0);
11730
11731 dev = alloc_etherdev(sizeof(*tp));
11732 if (!dev) {
11733 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11734 err = -ENOMEM;
11735 goto err_out_free_res;
11736 }
11737
11738 SET_MODULE_OWNER(dev);
11739 SET_NETDEV_DEV(dev, &pdev->dev);
11740
1da177e4
LT		 11741#if TG3_VLAN_TAG_USED
11742 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11743 dev->vlan_rx_register = tg3_vlan_rx_register;
11744 dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11745#endif
11746
11747 tp = netdev_priv(dev);
11748 tp->pdev = pdev;
11749 tp->dev = dev;
11750 tp->pm_cap = pm_cap;
11751 tp->mac_mode = TG3_DEF_MAC_MODE;
11752 tp->rx_mode = TG3_DEF_RX_MODE;
11753 tp->tx_mode = TG3_DEF_TX_MODE;
11754 tp->mi_mode = MAC_MI_MODE_BASE;
11755 if (tg3_debug > 0)
11756 tp->msg_enable = tg3_debug;
11757 else
11758 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11759
11760 /* The word/byte swap controls here control register access byte
11761 * swapping. DMA data byte swapping is controlled in the GRC_MODE
11762 * setting below.
11763 */
11764 tp->misc_host_ctrl =
11765 MISC_HOST_CTRL_MASK_PCI_INT |
11766 MISC_HOST_CTRL_WORD_SWAP |
11767 MISC_HOST_CTRL_INDIR_ACCESS |
11768 MISC_HOST_CTRL_PCISTATE_RW;
11769
11770 /* The NONFRM (non-frame) byte/word swap controls take effect
11771 * on descriptor entries, anything which isn't packet data.
11772 *
11773 * The StrongARM chips on the board (one for tx, one for rx)
11774 * are running in big-endian mode.
11775 */
11776 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11777 GRC_MODE_WSWAP_NONFRM_DATA);
11778#ifdef __BIG_ENDIAN
11779 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11780#endif
11781 spin_lock_init(&tp->lock);
1da177e4 11782 spin_lock_init(&tp->indirect_lock);
c4028958 11783 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4
LT		 11784
11785 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11786 if (tp->regs == 0UL) {
11787 printk(KERN_ERR PFX "Cannot map device registers, "
11788 "aborting.\n");
11789 err = -ENOMEM;
11790 goto err_out_free_dev;
11791 }
11792
11793 tg3_init_link_config(tp);
11794
1da177e4
LT		 11795 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11796 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11797 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11798
11799 dev->open = tg3_open;
11800 dev->stop = tg3_close;
11801 dev->get_stats = tg3_get_stats;
11802 dev->set_multicast_list = tg3_set_rx_mode;
11803 dev->set_mac_address = tg3_set_mac_addr;
11804 dev->do_ioctl = tg3_ioctl;
11805 dev->tx_timeout = tg3_tx_timeout;
11806 dev->poll = tg3_poll;
11807 dev->ethtool_ops = &tg3_ethtool_ops;
11808 dev->weight = 64;
11809 dev->watchdog_timeo = TG3_TX_TIMEOUT;
11810 dev->change_mtu = tg3_change_mtu;
11811 dev->irq = pdev->irq;
11812#ifdef CONFIG_NET_POLL_CONTROLLER
11813 dev->poll_controller = tg3_poll_controller;
11814#endif
11815
11816 err = tg3_get_invariants(tp);
11817 if (err) {
11818 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11819 "aborting.\n");
11820 goto err_out_iounmap;
11821 }
11822
4a29cc2e
MC		 11823 /* The EPB bridge inside 5714, 5715, and 5780 and any
11824 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 11825 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11826 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11827 * do DMA address check in tg3_start_xmit().
11828 */
4a29cc2e
MC		 11829 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11830 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11831 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
72f2afb8
MC		 11832 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11833#ifdef CONFIG_HIGHMEM
11834 dma_mask = DMA_64BIT_MASK;
11835#endif
4a29cc2e 11836 } else
72f2afb8
MC		 11837 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11838
11839 /* Configure DMA attributes. */
11840 if (dma_mask > DMA_32BIT_MASK) {
11841 err = pci_set_dma_mask(pdev, dma_mask);
11842 if (!err) {
11843 dev->features |= NETIF_F_HIGHDMA;
11844 err = pci_set_consistent_dma_mask(pdev,
11845 persist_dma_mask);
11846 if (err < 0) {
11847 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11848 "DMA for consistent allocations\n");
11849 goto err_out_iounmap;
11850 }
11851 }
11852 }
11853 if (err || dma_mask == DMA_32BIT_MASK) {
11854 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11855 if (err) {
11856 printk(KERN_ERR PFX "No usable DMA configuration, "
11857 "aborting.\n");
11858 goto err_out_iounmap;
11859 }
11860 }
11861
fdfec172 11862 tg3_init_bufmgr_config(tp);
1da177e4 11863
1da177e4
LT		 11864 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11865 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11866 }
11867 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11868 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11869 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
c7835a77 11870 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
1da177e4
LT		 11871 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11872 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11873 } else {
7f62ad5d 11874 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
1da177e4
LT		 11875 }
11876
4e3a7aaa
MC		 11877 /* TSO is on by default on chips that support hardware TSO.
11878 * Firmware TSO on older chips gives lower performance, so it
11879 * is off by default, but can be enabled using ethtool.
11880 */
b0026624 11881 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
1da177e4 11882 dev->features |= NETIF_F_TSO;
b5d3772c
MC		 11883 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11884 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
b0026624
MC		 11885 dev->features |= NETIF_F_TSO6;
11886 }
1da177e4 11887
1da177e4
LT		 11888
11889 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11890 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11891 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11892 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11893 tp->rx_pending = 63;
11894 }
11895
8c2dc7e1
MC		 11896 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11897 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11898 tp->pdev_peer = tg3_find_peer(tp);
1da177e4
LT		 11899
11900 err = tg3_get_device_address(tp);
11901 if (err) {
11902 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11903 "aborting.\n");
11904 goto err_out_iounmap;
11905 }
11906
11907 /*
11908 * Reset chip in case UNDI or EFI driver did not shutdown
11909 * DMA self test will enable WDMAC and we'll see (spurious)
11910 * pending DMA on the PCI bus at that point.
11911 */
11912 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11913 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11914 pci_save_state(tp->pdev);
11915 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 11916 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 11917 }
11918
11919 err = tg3_test_dma(tp);
11920 if (err) {
11921 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11922 goto err_out_iounmap;
11923 }
11924
11925 /* Tigon3 can do ipv4 only... and some chips have buggy
11926 * checksumming.
11927 */
11928 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
af36e6b6
MC		 11929 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11930 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf
MC		 11931 dev->features |= NETIF_F_HW_CSUM;
11932 else
11933 dev->features |= NETIF_F_IP_CSUM;
11934 dev->features |= NETIF_F_SG;
1da177e4
LT		 11935 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11936 } else
11937 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11938
1da177e4
LT		 11939 /* flow control autonegotiation is default behavior */
11940 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11941
15f9850d
DM		 11942 tg3_init_coal(tp);
11943
7d3f4c97
DM		 11944 /* Now that we have fully setup the chip, save away a snapshot
11945 * of the PCI config space. We need to restore this after
11946 * GRC_MISC_CFG core clock resets and some resume events.
11947 */
11948 pci_save_state(tp->pdev);
11949
c49a1561
MC		 11950 pci_set_drvdata(pdev, dev);
11951
1da177e4
LT		 11952 err = register_netdev(dev);
11953 if (err) {
11954 printk(KERN_ERR PFX "Cannot register net device, "
11955 "aborting.\n");
11956 goto err_out_iounmap;
11957 }
11958
cbb45d21 11959 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
1da177e4
LT		 11960 dev->name,
11961 tp->board_part_number,
11962 tp->pci_chip_rev_id,
11963 tg3_phy_string(tp),
f9804ddb 11964 tg3_bus_string(tp, str),
cbb45d21
MC		 11965 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
11966 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
11967 "10/100/1000Base-T")));
1da177e4
LT		 11968
11969 for (i = 0; i < 6; i++)
11970 printk("%2.2x%c", dev->dev_addr[i],
11971 i == 5 ? '\n' : ':');
11972
11973 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
1c46ae05 11974 "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
1da177e4
LT		 11975 dev->name,
11976 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11977 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11978 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11979 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
1da177e4
LT		 11980 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11981 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 11982 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11983 dev->name, tp->dma_rwctrl,
11984 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11985 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
1da177e4
LT		 11986
11987 return 0;
11988
11989err_out_iounmap:
6892914f
MC		 11990 if (tp->regs) {
11991 iounmap(tp->regs);
22abe310 11992 tp->regs = NULL;
6892914f 11993 }
1da177e4
LT		 11994
11995err_out_free_dev:
11996 free_netdev(dev);
11997
11998err_out_free_res:
11999 pci_release_regions(pdev);
12000
12001err_out_disable_pdev:
12002 pci_disable_device(pdev);
12003 pci_set_drvdata(pdev, NULL);
12004 return err;
12005}
12006
12007static void __devexit tg3_remove_one(struct pci_dev *pdev)
12008{
12009 struct net_device *dev = pci_get_drvdata(pdev);
12010
12011 if (dev) {
12012 struct tg3 *tp = netdev_priv(dev);
12013
7faa006f 12014 flush_scheduled_work();
1da177e4 12015 unregister_netdev(dev);
6892914f
MC		 12016 if (tp->regs) {
12017 iounmap(tp->regs);
22abe310 12018 tp->regs = NULL;
6892914f 12019 }
1da177e4
LT		 12020 free_netdev(dev);
12021 pci_release_regions(pdev);
12022 pci_disable_device(pdev);
12023 pci_set_drvdata(pdev, NULL);
12024 }
12025}
12026
12027static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12028{
12029 struct net_device *dev = pci_get_drvdata(pdev);
12030 struct tg3 *tp = netdev_priv(dev);
12031 int err;
12032
12033 if (!netif_running(dev))
12034 return 0;
12035
7faa006f 12036 flush_scheduled_work();
1da177e4
LT		 12037 tg3_netif_stop(tp);
12038
12039 del_timer_sync(&tp->timer);
12040
f47c11ee 12041 tg3_full_lock(tp, 1);
1da177e4 12042 tg3_disable_ints(tp);
f47c11ee 12043 tg3_full_unlock(tp);
1da177e4
LT		 12044
12045 netif_device_detach(dev);
12046
f47c11ee 12047 tg3_full_lock(tp, 0);
944d980e 12048 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 12049 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 12050 tg3_full_unlock(tp);
1da177e4 12051
436f1379
MC		 12052 /* Save MSI address and data for resume. */
12053 pci_save_state(pdev);
12054
1da177e4
LT		 12055 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12056 if (err) {
f47c11ee 12057 tg3_full_lock(tp, 0);
1da177e4 12058
6a9eba15 12059 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12060 if (tg3_restart_hw(tp, 1))
12061 goto out;
1da177e4
LT		 12062
12063 tp->timer.expires = jiffies + tp->timer_offset;
12064 add_timer(&tp->timer);
12065
12066 netif_device_attach(dev);
12067 tg3_netif_start(tp);
12068
b9ec6c1b 12069out:
f47c11ee 12070 tg3_full_unlock(tp);
1da177e4
LT		 12071 }
12072
12073 return err;
12074}
12075
12076static int tg3_resume(struct pci_dev *pdev)
12077{
12078 struct net_device *dev = pci_get_drvdata(pdev);
12079 struct tg3 *tp = netdev_priv(dev);
12080 int err;
12081
12082 if (!netif_running(dev))
12083 return 0;
12084
12085 pci_restore_state(tp->pdev);
12086
bc1c7567 12087 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 12088 if (err)
12089 return err;
12090
12091 netif_device_attach(dev);
12092
f47c11ee 12093 tg3_full_lock(tp, 0);
1da177e4 12094
6a9eba15 12095 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12096 err = tg3_restart_hw(tp, 1);
12097 if (err)
12098 goto out;
1da177e4
LT		 12099
12100 tp->timer.expires = jiffies + tp->timer_offset;
12101 add_timer(&tp->timer);
12102
1da177e4
LT		 12103 tg3_netif_start(tp);
12104
b9ec6c1b 12105out:
f47c11ee 12106 tg3_full_unlock(tp);
1da177e4 12107
b9ec6c1b 12108 return err;
1da177e4
LT		 12109}
12110
12111static struct pci_driver tg3_driver = {
12112 .name = DRV_MODULE_NAME,
12113 .id_table = tg3_pci_tbl,
12114 .probe = tg3_init_one,
12115 .remove = __devexit_p(tg3_remove_one),
12116 .suspend = tg3_suspend,
12117 .resume = tg3_resume
12118};
12119
12120static int __init tg3_init(void)
12121{
29917620 12122 return pci_register_driver(&tg3_driver);
1da177e4
LT		 12123}
12124
12125static void __exit tg3_cleanup(void)
12126{
12127 pci_unregister_driver(&tg3_driver);
12128}
12129
12130module_init(tg3_init);
12131module_exit(tg3_cleanup);
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