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[TG3]: Use constant for PHY register 0x1e.
[net-next-2.6.git] / drivers / net / tg3.c
CommitLineData
1da177e4
LT		 1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005 Broadcom Corporation.
8 *
9 * Firmware is:
49cabf49
MC		 10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
1da177e4
LT		 16 */
17
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
49#ifdef CONFIG_SPARC64
50#include <asm/idprom.h>
51#include <asm/oplib.h>
52#include <asm/pbm.h>
53#endif
54
55#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
56#define TG3_VLAN_TAG_USED 1
57#else
58#define TG3_VLAN_TAG_USED 0
59#endif
60
1da177e4 61#define TG3_TSO_SUPPORT 1
1da177e4
LT		 62
63#include "tg3.h"
64
65#define DRV_MODULE_NAME "tg3"
66#define PFX DRV_MODULE_NAME ": "
c1d2a196
MC		 67#define DRV_MODULE_VERSION "3.72"
68#define DRV_MODULE_RELDATE "January 8, 2007"
1da177e4
LT		 69
70#define TG3_DEF_MAC_MODE 0
71#define TG3_DEF_RX_MODE 0
72#define TG3_DEF_TX_MODE 0
73#define TG3_DEF_MSG_ENABLE \
74 (NETIF_MSG_DRV | \
75 NETIF_MSG_PROBE | \
76 NETIF_MSG_LINK | \
77 NETIF_MSG_TIMER | \
78 NETIF_MSG_IFDOWN | \
79 NETIF_MSG_IFUP | \
80 NETIF_MSG_RX_ERR | \
81 NETIF_MSG_TX_ERR)
82
83/* length of time before we decide the hardware is borked,
84 * and dev->tx_timeout() should be called to fix the problem
85 */
86#define TG3_TX_TIMEOUT (5 * HZ)
87
88/* hardware minimum and maximum for a single frame's data payload */
89#define TG3_MIN_MTU 60
90#define TG3_MAX_MTU(tp) \
0f893dc6 91 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 92
93/* These numbers seem to be hard coded in the NIC firmware somehow.
94 * You can't change the ring sizes, but you can change where you place
95 * them in the NIC onboard memory.
96 */
97#define TG3_RX_RING_SIZE 512
98#define TG3_DEF_RX_RING_PENDING 200
99#define TG3_RX_JUMBO_RING_SIZE 256
100#define TG3_DEF_RX_JUMBO_RING_PENDING 100
101
102/* Do not place this n-ring entries value into the tp struct itself,
103 * we really want to expose these constants to GCC so that modulo et
104 * al. operations are done with shifts and masks instead of with
105 * hw multiply/modulo instructions. Another solution would be to
106 * replace things like '% foo' with '& (foo - 1)'.
107 */
108#define TG3_RX_RCB_RING_SIZE(tp) \
109 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
110
111#define TG3_TX_RING_SIZE 512
112#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
113
114#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
115 TG3_RX_RING_SIZE)
116#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
117 TG3_RX_JUMBO_RING_SIZE)
118#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
119 TG3_RX_RCB_RING_SIZE(tp))
120#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
121 TG3_TX_RING_SIZE)
1da177e4
LT		 122#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
123
124#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
125#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
126
127/* minimum number of free TX descriptors required to wake up TX process */
42952231 128#define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
1da177e4
LT		 129
130/* number of ETHTOOL_GSTATS u64's */
131#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
132
4cafd3f5
MC		 133#define TG3_NUM_TEST 6
134
1da177e4
LT		 135static char version[] __devinitdata =
136 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
137
138MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
139MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
140MODULE_LICENSE("GPL");
141MODULE_VERSION(DRV_MODULE_VERSION);
142
143static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
144module_param(tg3_debug, int, 0);
145MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
146
147static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
13185217
HK		 201 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
202 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
203 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
204 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
205 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
206 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
207 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
208 {}
1da177e4
LT		 209};
210
211MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
212
50da859d 213static const struct {
1da177e4
LT		 214 const char string[ETH_GSTRING_LEN];
215} ethtool_stats_keys[TG3_NUM_STATS] = {
216 { "rx_octets" },
217 { "rx_fragments" },
218 { "rx_ucast_packets" },
219 { "rx_mcast_packets" },
220 { "rx_bcast_packets" },
221 { "rx_fcs_errors" },
222 { "rx_align_errors" },
223 { "rx_xon_pause_rcvd" },
224 { "rx_xoff_pause_rcvd" },
225 { "rx_mac_ctrl_rcvd" },
226 { "rx_xoff_entered" },
227 { "rx_frame_too_long_errors" },
228 { "rx_jabbers" },
229 { "rx_undersize_packets" },
230 { "rx_in_length_errors" },
231 { "rx_out_length_errors" },
232 { "rx_64_or_less_octet_packets" },
233 { "rx_65_to_127_octet_packets" },
234 { "rx_128_to_255_octet_packets" },
235 { "rx_256_to_511_octet_packets" },
236 { "rx_512_to_1023_octet_packets" },
237 { "rx_1024_to_1522_octet_packets" },
238 { "rx_1523_to_2047_octet_packets" },
239 { "rx_2048_to_4095_octet_packets" },
240 { "rx_4096_to_8191_octet_packets" },
241 { "rx_8192_to_9022_octet_packets" },
242
243 { "tx_octets" },
244 { "tx_collisions" },
245
246 { "tx_xon_sent" },
247 { "tx_xoff_sent" },
248 { "tx_flow_control" },
249 { "tx_mac_errors" },
250 { "tx_single_collisions" },
251 { "tx_mult_collisions" },
252 { "tx_deferred" },
253 { "tx_excessive_collisions" },
254 { "tx_late_collisions" },
255 { "tx_collide_2times" },
256 { "tx_collide_3times" },
257 { "tx_collide_4times" },
258 { "tx_collide_5times" },
259 { "tx_collide_6times" },
260 { "tx_collide_7times" },
261 { "tx_collide_8times" },
262 { "tx_collide_9times" },
263 { "tx_collide_10times" },
264 { "tx_collide_11times" },
265 { "tx_collide_12times" },
266 { "tx_collide_13times" },
267 { "tx_collide_14times" },
268 { "tx_collide_15times" },
269 { "tx_ucast_packets" },
270 { "tx_mcast_packets" },
271 { "tx_bcast_packets" },
272 { "tx_carrier_sense_errors" },
273 { "tx_discards" },
274 { "tx_errors" },
275
276 { "dma_writeq_full" },
277 { "dma_write_prioq_full" },
278 { "rxbds_empty" },
279 { "rx_discards" },
280 { "rx_errors" },
281 { "rx_threshold_hit" },
282
283 { "dma_readq_full" },
284 { "dma_read_prioq_full" },
285 { "tx_comp_queue_full" },
286
287 { "ring_set_send_prod_index" },
288 { "ring_status_update" },
289 { "nic_irqs" },
290 { "nic_avoided_irqs" },
291 { "nic_tx_threshold_hit" }
292};
293
50da859d 294static const struct {
4cafd3f5
MC		 295 const char string[ETH_GSTRING_LEN];
296} ethtool_test_keys[TG3_NUM_TEST] = {
297 { "nvram test (online) " },
298 { "link test (online) " },
299 { "register test (offline)" },
300 { "memory test (offline)" },
301 { "loopback test (offline)" },
302 { "interrupt test (offline)" },
303};
304
b401e9e2
MC		 305static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
306{
307 writel(val, tp->regs + off);
308}
309
310static u32 tg3_read32(struct tg3 *tp, u32 off)
311{
6aa20a22 312 return (readl(tp->regs + off));
b401e9e2
MC		 313}
314
1da177e4
LT		 315static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
316{
6892914f
MC		 317 unsigned long flags;
318
319 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 320 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
321 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 322 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 323}
324
325static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
326{
327 writel(val, tp->regs + off);
328 readl(tp->regs + off);
1da177e4
LT		 329}
330
6892914f 331static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 332{
6892914f
MC		 333 unsigned long flags;
334 u32 val;
335
336 spin_lock_irqsave(&tp->indirect_lock, flags);
337 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
338 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
339 spin_unlock_irqrestore(&tp->indirect_lock, flags);
340 return val;
341}
342
343static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
344{
345 unsigned long flags;
346
347 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
348 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
349 TG3_64BIT_REG_LOW, val);
350 return;
351 }
352 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
353 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
354 TG3_64BIT_REG_LOW, val);
355 return;
1da177e4 356 }
6892914f
MC		 357
358 spin_lock_irqsave(&tp->indirect_lock, flags);
359 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
360 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
361 spin_unlock_irqrestore(&tp->indirect_lock, flags);
362
363 /* In indirect mode when disabling interrupts, we also need
364 * to clear the interrupt bit in the GRC local ctrl register.
365 */
366 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
367 (val == 0x1)) {
368 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
369 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
370 }
371}
372
373static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
374{
375 unsigned long flags;
376 u32 val;
377
378 spin_lock_irqsave(&tp->indirect_lock, flags);
379 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
380 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
381 spin_unlock_irqrestore(&tp->indirect_lock, flags);
382 return val;
383}
384
b401e9e2
MC		 385/* usec_wait specifies the wait time in usec when writing to certain registers
386 * where it is unsafe to read back the register without some delay.
387 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
388 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
389 */
390static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 391{
b401e9e2
MC		 392 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
393 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
394 /* Non-posted methods */
395 tp->write32(tp, off, val);
396 else {
397 /* Posted method */
398 tg3_write32(tp, off, val);
399 if (usec_wait)
400 udelay(usec_wait);
401 tp->read32(tp, off);
402 }
403 /* Wait again after the read for the posted method to guarantee that
404 * the wait time is met.
405 */
406 if (usec_wait)
407 udelay(usec_wait);
1da177e4
LT		 408}
409
09ee929c
MC		 410static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
411{
412 tp->write32_mbox(tp, off, val);
6892914f
MC		 413 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
414 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
415 tp->read32_mbox(tp, off);
09ee929c
MC		 416}
417
20094930 418static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 419{
420 void __iomem *mbox = tp->regs + off;
421 writel(val, mbox);
422 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
423 writel(val, mbox);
424 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
425 readl(mbox);
426}
427
b5d3772c
MC		 428static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
429{
430 return (readl(tp->regs + off + GRCMBOX_BASE));
431}
432
433static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
434{
435 writel(val, tp->regs + off + GRCMBOX_BASE);
436}
437
20094930 438#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 439#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 440#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
441#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 442#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 443
444#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 445#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
446#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 447#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 448
449static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
450{
6892914f
MC		 451 unsigned long flags;
452
b5d3772c
MC		 453 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
454 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
455 return;
456
6892914f 457 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 458 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
459 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
460 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 461
bbadf503
MC		 462 /* Always leave this as zero. */
463 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
464 } else {
465 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
466 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 467
bbadf503
MC		 468 /* Always leave this as zero. */
469 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
470 }
471 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 472}
473
1da177e4
LT		 474static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
475{
6892914f
MC		 476 unsigned long flags;
477
b5d3772c
MC		 478 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
479 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
480 *val = 0;
481 return;
482 }
483
6892914f 484 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 485 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
486 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
487 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 488
bbadf503
MC		 489 /* Always leave this as zero. */
490 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
491 } else {
492 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
493 *val = tr32(TG3PCI_MEM_WIN_DATA);
494
495 /* Always leave this as zero. */
496 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
497 }
6892914f 498 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 499}
500
501static void tg3_disable_ints(struct tg3 *tp)
502{
503 tw32(TG3PCI_MISC_HOST_CTRL,
504 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c 505 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
1da177e4
LT		 506}
507
508static inline void tg3_cond_int(struct tg3 *tp)
509{
38f3843e
MC		 510 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
511 (tp->hw_status->status & SD_STATUS_UPDATED))
1da177e4 512 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
b5d3772c
MC		 513 else
514 tw32(HOSTCC_MODE, tp->coalesce_mode |
515 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 516}
517
518static void tg3_enable_ints(struct tg3 *tp)
519{
bbe832c0
MC		 520 tp->irq_sync = 0;
521 wmb();
522
1da177e4
LT		 523 tw32(TG3PCI_MISC_HOST_CTRL,
524 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c
MC		 525 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
526 (tp->last_tag << 24));
fcfa0a32
MC		 527 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
528 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
529 (tp->last_tag << 24));
1da177e4
LT		 530 tg3_cond_int(tp);
531}
532
04237ddd
MC		 533static inline unsigned int tg3_has_work(struct tg3 *tp)
534{
535 struct tg3_hw_status *sblk = tp->hw_status;
536 unsigned int work_exists = 0;
537
538 /* check for phy events */
539 if (!(tp->tg3_flags &
540 (TG3_FLAG_USE_LINKCHG_REG |
541 TG3_FLAG_POLL_SERDES))) {
542 if (sblk->status & SD_STATUS_LINK_CHG)
543 work_exists = 1;
544 }
545 /* check for RX/TX work to do */
546 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
547 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
548 work_exists = 1;
549
550 return work_exists;
551}
552
1da177e4 553/* tg3_restart_ints
04237ddd
MC		 554 * similar to tg3_enable_ints, but it accurately determines whether there
555 * is new work pending and can return without flushing the PIO write
6aa20a22 556 * which reenables interrupts
1da177e4
LT		 557 */
558static void tg3_restart_ints(struct tg3 *tp)
559{
fac9b83e
DM		 560 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
561 tp->last_tag << 24);
1da177e4
LT		 562 mmiowb();
563
fac9b83e
DM		 564 /* When doing tagged status, this work check is unnecessary.
565 * The last_tag we write above tells the chip which piece of
566 * work we've completed.
567 */
568 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
569 tg3_has_work(tp))
04237ddd
MC		 570 tw32(HOSTCC_MODE, tp->coalesce_mode |
571 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 572}
573
574static inline void tg3_netif_stop(struct tg3 *tp)
575{
bbe832c0 576 tp->dev->trans_start = jiffies; /* prevent tx timeout */
1da177e4
LT		 577 netif_poll_disable(tp->dev);
578 netif_tx_disable(tp->dev);
579}
580
581static inline void tg3_netif_start(struct tg3 *tp)
582{
583 netif_wake_queue(tp->dev);
584 /* NOTE: unconditional netif_wake_queue is only appropriate
585 * so long as all callers are assured to have free tx slots
586 * (such as after tg3_init_hw)
587 */
588 netif_poll_enable(tp->dev);
f47c11ee
DM		 589 tp->hw_status->status |= SD_STATUS_UPDATED;
590 tg3_enable_ints(tp);
1da177e4
LT		 591}
592
593static void tg3_switch_clocks(struct tg3 *tp)
594{
595 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
596 u32 orig_clock_ctrl;
597
a4e2b347 598 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f
MC		 599 return;
600
1da177e4
LT		 601 orig_clock_ctrl = clock_ctrl;
602 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
603 CLOCK_CTRL_CLKRUN_OENABLE |
604 0x1f);
605 tp->pci_clock_ctrl = clock_ctrl;
606
607 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
608 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 609 tw32_wait_f(TG3PCI_CLOCK_CTRL,
610 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 611 }
612 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 613 tw32_wait_f(TG3PCI_CLOCK_CTRL,
614 clock_ctrl |
615 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
616 40);
617 tw32_wait_f(TG3PCI_CLOCK_CTRL,
618 clock_ctrl | (CLOCK_CTRL_ALTCLK),
619 40);
1da177e4 620 }
b401e9e2 621 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 622}
623
624#define PHY_BUSY_LOOPS 5000
625
626static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
627{
628 u32 frame_val;
629 unsigned int loops;
630 int ret;
631
632 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
633 tw32_f(MAC_MI_MODE,
634 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
635 udelay(80);
636 }
637
638 *val = 0x0;
639
640 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
641 MI_COM_PHY_ADDR_MASK);
642 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
643 MI_COM_REG_ADDR_MASK);
644 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 645
1da177e4
LT		 646 tw32_f(MAC_MI_COM, frame_val);
647
648 loops = PHY_BUSY_LOOPS;
649 while (loops != 0) {
650 udelay(10);
651 frame_val = tr32(MAC_MI_COM);
652
653 if ((frame_val & MI_COM_BUSY) == 0) {
654 udelay(5);
655 frame_val = tr32(MAC_MI_COM);
656 break;
657 }
658 loops -= 1;
659 }
660
661 ret = -EBUSY;
662 if (loops != 0) {
663 *val = frame_val & MI_COM_DATA_MASK;
664 ret = 0;
665 }
666
667 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
668 tw32_f(MAC_MI_MODE, tp->mi_mode);
669 udelay(80);
670 }
671
672 return ret;
673}
674
675static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
676{
677 u32 frame_val;
678 unsigned int loops;
679 int ret;
680
b5d3772c
MC		 681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
682 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
683 return 0;
684
1da177e4
LT		 685 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
686 tw32_f(MAC_MI_MODE,
687 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
688 udelay(80);
689 }
690
691 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
692 MI_COM_PHY_ADDR_MASK);
693 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
694 MI_COM_REG_ADDR_MASK);
695 frame_val |= (val & MI_COM_DATA_MASK);
696 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 697
1da177e4
LT		 698 tw32_f(MAC_MI_COM, frame_val);
699
700 loops = PHY_BUSY_LOOPS;
701 while (loops != 0) {
702 udelay(10);
703 frame_val = tr32(MAC_MI_COM);
704 if ((frame_val & MI_COM_BUSY) == 0) {
705 udelay(5);
706 frame_val = tr32(MAC_MI_COM);
707 break;
708 }
709 loops -= 1;
710 }
711
712 ret = -EBUSY;
713 if (loops != 0)
714 ret = 0;
715
716 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
717 tw32_f(MAC_MI_MODE, tp->mi_mode);
718 udelay(80);
719 }
720
721 return ret;
722}
723
724static void tg3_phy_set_wirespeed(struct tg3 *tp)
725{
726 u32 val;
727
728 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
729 return;
730
731 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
732 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
733 tg3_writephy(tp, MII_TG3_AUX_CTRL,
734 (val | (1 << 15) | (1 << 4)));
735}
736
737static int tg3_bmcr_reset(struct tg3 *tp)
738{
739 u32 phy_control;
740 int limit, err;
741
742 /* OK, reset it, and poll the BMCR_RESET bit until it
743 * clears or we time out.
744 */
745 phy_control = BMCR_RESET;
746 err = tg3_writephy(tp, MII_BMCR, phy_control);
747 if (err != 0)
748 return -EBUSY;
749
750 limit = 5000;
751 while (limit--) {
752 err = tg3_readphy(tp, MII_BMCR, &phy_control);
753 if (err != 0)
754 return -EBUSY;
755
756 if ((phy_control & BMCR_RESET) == 0) {
757 udelay(40);
758 break;
759 }
760 udelay(10);
761 }
762 if (limit <= 0)
763 return -EBUSY;
764
765 return 0;
766}
767
768static int tg3_wait_macro_done(struct tg3 *tp)
769{
770 int limit = 100;
771
772 while (limit--) {
773 u32 tmp32;
774
775 if (!tg3_readphy(tp, 0x16, &tmp32)) {
776 if ((tmp32 & 0x1000) == 0)
777 break;
778 }
779 }
780 if (limit <= 0)
781 return -EBUSY;
782
783 return 0;
784}
785
786static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
787{
788 static const u32 test_pat[4][6] = {
789 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
790 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
791 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
792 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
793 };
794 int chan;
795
796 for (chan = 0; chan < 4; chan++) {
797 int i;
798
799 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
800 (chan * 0x2000) | 0x0200);
801 tg3_writephy(tp, 0x16, 0x0002);
802
803 for (i = 0; i < 6; i++)
804 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
805 test_pat[chan][i]);
806
807 tg3_writephy(tp, 0x16, 0x0202);
808 if (tg3_wait_macro_done(tp)) {
809 *resetp = 1;
810 return -EBUSY;
811 }
812
813 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
814 (chan * 0x2000) | 0x0200);
815 tg3_writephy(tp, 0x16, 0x0082);
816 if (tg3_wait_macro_done(tp)) {
817 *resetp = 1;
818 return -EBUSY;
819 }
820
821 tg3_writephy(tp, 0x16, 0x0802);
822 if (tg3_wait_macro_done(tp)) {
823 *resetp = 1;
824 return -EBUSY;
825 }
826
827 for (i = 0; i < 6; i += 2) {
828 u32 low, high;
829
830 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
831 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
832 tg3_wait_macro_done(tp)) {
833 *resetp = 1;
834 return -EBUSY;
835 }
836 low &= 0x7fff;
837 high &= 0x000f;
838 if (low != test_pat[chan][i] ||
839 high != test_pat[chan][i+1]) {
840 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
841 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
842 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
843
844 return -EBUSY;
845 }
846 }
847 }
848
849 return 0;
850}
851
852static int tg3_phy_reset_chanpat(struct tg3 *tp)
853{
854 int chan;
855
856 for (chan = 0; chan < 4; chan++) {
857 int i;
858
859 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
860 (chan * 0x2000) | 0x0200);
861 tg3_writephy(tp, 0x16, 0x0002);
862 for (i = 0; i < 6; i++)
863 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
864 tg3_writephy(tp, 0x16, 0x0202);
865 if (tg3_wait_macro_done(tp))
866 return -EBUSY;
867 }
868
869 return 0;
870}
871
872static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
873{
874 u32 reg32, phy9_orig;
875 int retries, do_phy_reset, err;
876
877 retries = 10;
878 do_phy_reset = 1;
879 do {
880 if (do_phy_reset) {
881 err = tg3_bmcr_reset(tp);
882 if (err)
883 return err;
884 do_phy_reset = 0;
885 }
886
887 /* Disable transmitter and interrupt. */
888 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
889 continue;
890
891 reg32 |= 0x3000;
892 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
893
894 /* Set full-duplex, 1000 mbps. */
895 tg3_writephy(tp, MII_BMCR,
896 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
897
898 /* Set to master mode. */
899 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
900 continue;
901
902 tg3_writephy(tp, MII_TG3_CTRL,
903 (MII_TG3_CTRL_AS_MASTER |
904 MII_TG3_CTRL_ENABLE_AS_MASTER));
905
906 /* Enable SM_DSP_CLOCK and 6dB. */
907 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
908
909 /* Block the PHY control access. */
910 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
911 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
912
913 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
914 if (!err)
915 break;
916 } while (--retries);
917
918 err = tg3_phy_reset_chanpat(tp);
919 if (err)
920 return err;
921
922 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
923 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
924
925 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
926 tg3_writephy(tp, 0x16, 0x0000);
927
928 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
929 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
930 /* Set Extended packet length bit for jumbo frames */
931 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
932 }
933 else {
934 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
935 }
936
937 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
938
939 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
940 reg32 &= ~0x3000;
941 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
942 } else if (!err)
943 err = -EBUSY;
944
945 return err;
946}
947
c8e1e82b
MC		 948static void tg3_link_report(struct tg3 *);
949
1da177e4
LT		 950/* This will reset the tigon3 PHY if there is no valid
951 * link unless the FORCE argument is non-zero.
952 */
953static int tg3_phy_reset(struct tg3 *tp)
954{
955 u32 phy_status;
956 int err;
957
60189ddf
MC		 958 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
959 u32 val;
960
961 val = tr32(GRC_MISC_CFG);
962 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
963 udelay(40);
964 }
1da177e4
LT		 965 err = tg3_readphy(tp, MII_BMSR, &phy_status);
966 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
967 if (err != 0)
968 return -EBUSY;
969
c8e1e82b
MC		 970 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
971 netif_carrier_off(tp->dev);
972 tg3_link_report(tp);
973 }
974
1da177e4
LT		 975 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
976 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
977 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
978 err = tg3_phy_reset_5703_4_5(tp);
979 if (err)
980 return err;
981 goto out;
982 }
983
984 err = tg3_bmcr_reset(tp);
985 if (err)
986 return err;
987
988out:
989 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
990 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
991 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
992 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
993 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
994 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
995 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
996 }
997 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
998 tg3_writephy(tp, 0x1c, 0x8d68);
999 tg3_writephy(tp, 0x1c, 0x8d68);
1000 }
1001 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1002 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1003 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1004 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1005 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1006 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1007 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1008 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1009 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1010 }
c424cb24
MC		 1011 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1012 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1013 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1014 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1015 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1016 tg3_writephy(tp, MII_TG3_TEST1,
1017 MII_TG3_TEST1_TRIM_EN | 0x4);
1018 } else
1019 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1020 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1021 }
1da177e4
LT		 1022 /* Set Extended packet length bit (bit 14) on all chips that */
1023 /* support jumbo frames */
1024 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1025 /* Cannot do read-modify-write on 5401 */
1026 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
0f893dc6 1027 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1028 u32 phy_reg;
1029
1030 /* Set bit 14 with read-modify-write to preserve other bits */
1031 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1032 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1033 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1034 }
1035
1036 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1037 * jumbo frames transmission.
1038 */
0f893dc6 1039 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1040 u32 phy_reg;
1041
1042 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1043 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1044 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1045 }
1046
715116a1
MC		 1047 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1048 u32 phy_reg;
1049
1050 /* adjust output voltage */
1051 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1052
1053 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1054 u32 phy_reg2;
1055
1056 tg3_writephy(tp, MII_TG3_EPHY_TEST,
1057 phy_reg | MII_TG3_EPHY_SHADOW_EN);
1058 /* Enable auto-MDIX */
1059 if (!tg3_readphy(tp, 0x10, &phy_reg2))
1060 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1061 tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1062 }
1063 }
1064
1da177e4
LT		 1065 tg3_phy_set_wirespeed(tp);
1066 return 0;
1067}
1068
1069static void tg3_frob_aux_power(struct tg3 *tp)
1070{
1071 struct tg3 *tp_peer = tp;
1072
9d26e213 1073 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 1074 return;
1075
8c2dc7e1
MC		 1076 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1077 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1078 struct net_device *dev_peer;
1079
1080 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 1081 /* remove_one() may have been run on the peer. */
8c2dc7e1 1082 if (!dev_peer)
bc1c7567
MC		 1083 tp_peer = tp;
1084 else
1085 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 1086 }
1087
1da177e4 1088 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 1089 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1090 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1091 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 1092 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1093 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 1094 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1095 (GRC_LCLCTRL_GPIO_OE0 |
1096 GRC_LCLCTRL_GPIO_OE1 |
1097 GRC_LCLCTRL_GPIO_OE2 |
1098 GRC_LCLCTRL_GPIO_OUTPUT0 |
1099 GRC_LCLCTRL_GPIO_OUTPUT1),
1100 100);
1da177e4
LT		 1101 } else {
1102 u32 no_gpio2;
dc56b7d4 1103 u32 grc_local_ctrl = 0;
1da177e4
LT		 1104
1105 if (tp_peer != tp &&
1106 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1107 return;
1108
dc56b7d4
MC		 1109 /* Workaround to prevent overdrawing Amps. */
1110 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1111 ASIC_REV_5714) {
1112 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 1113 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1114 grc_local_ctrl, 100);
dc56b7d4
MC		 1115 }
1116
1da177e4
LT		 1117 /* On 5753 and variants, GPIO2 cannot be used. */
1118 no_gpio2 = tp->nic_sram_data_cfg &
1119 NIC_SRAM_DATA_CFG_NO_GPIO2;
1120
dc56b7d4 1121 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 1122 GRC_LCLCTRL_GPIO_OE1 |
1123 GRC_LCLCTRL_GPIO_OE2 |
1124 GRC_LCLCTRL_GPIO_OUTPUT1 |
1125 GRC_LCLCTRL_GPIO_OUTPUT2;
1126 if (no_gpio2) {
1127 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1128 GRC_LCLCTRL_GPIO_OUTPUT2);
1129 }
b401e9e2
MC		 1130 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1131 grc_local_ctrl, 100);
1da177e4
LT		 1132
1133 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1134
b401e9e2
MC		 1135 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1136 grc_local_ctrl, 100);
1da177e4
LT		 1137
1138 if (!no_gpio2) {
1139 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 1140 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1141 grc_local_ctrl, 100);
1da177e4
LT		 1142 }
1143 }
1144 } else {
1145 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1146 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1147 if (tp_peer != tp &&
1148 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1149 return;
1150
b401e9e2
MC		 1151 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1152 (GRC_LCLCTRL_GPIO_OE1 |
1153 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 1154
b401e9e2
MC		 1155 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1156 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 1157
b401e9e2
MC		 1158 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1159 (GRC_LCLCTRL_GPIO_OE1 |
1160 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 1161 }
1162 }
1163}
1164
1165static int tg3_setup_phy(struct tg3 *, int);
1166
1167#define RESET_KIND_SHUTDOWN 0
1168#define RESET_KIND_INIT 1
1169#define RESET_KIND_SUSPEND 2
1170
1171static void tg3_write_sig_post_reset(struct tg3 *, int);
1172static int tg3_halt_cpu(struct tg3 *, u32);
6921d201
MC		 1173static int tg3_nvram_lock(struct tg3 *);
1174static void tg3_nvram_unlock(struct tg3 *);
1da177e4 1175
15c3b696
MC		 1176static void tg3_power_down_phy(struct tg3 *tp)
1177{
5129724a
MC		 1178 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1179 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1180 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1181 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1182
1183 sg_dig_ctrl |=
1184 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1185 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1186 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1187 }
3f7045c1 1188 return;
5129724a 1189 }
3f7045c1 1190
60189ddf
MC		 1191 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1192 u32 val;
1193
1194 tg3_bmcr_reset(tp);
1195 val = tr32(GRC_MISC_CFG);
1196 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1197 udelay(40);
1198 return;
1199 } else {
715116a1
MC		 1200 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1201 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1202 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1203 }
3f7045c1 1204
15c3b696
MC		 1205 /* The PHY should not be powered down on some chips because
1206 * of bugs.
1207 */
1208 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1209 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1210 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1211 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1212 return;
1213 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1214}
1215
bc1c7567 1216static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 1217{
1218 u32 misc_host_ctrl;
1219 u16 power_control, power_caps;
1220 int pm = tp->pm_cap;
1221
1222 /* Make sure register accesses (indirect or otherwise)
1223 * will function correctly.
1224 */
1225 pci_write_config_dword(tp->pdev,
1226 TG3PCI_MISC_HOST_CTRL,
1227 tp->misc_host_ctrl);
1228
1229 pci_read_config_word(tp->pdev,
1230 pm + PCI_PM_CTRL,
1231 &power_control);
1232 power_control |= PCI_PM_CTRL_PME_STATUS;
1233 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1234 switch (state) {
bc1c7567 1235 case PCI_D0:
1da177e4
LT		 1236 power_control |= 0;
1237 pci_write_config_word(tp->pdev,
1238 pm + PCI_PM_CTRL,
1239 power_control);
8c6bda1a
MC		 1240 udelay(100); /* Delay after power state change */
1241
9d26e213
MC		 1242 /* Switch out of Vaux if it is a NIC */
1243 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 1244 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 1245
1246 return 0;
1247
bc1c7567 1248 case PCI_D1:
1da177e4
LT		 1249 power_control |= 1;
1250 break;
1251
bc1c7567 1252 case PCI_D2:
1da177e4
LT		 1253 power_control |= 2;
1254 break;
1255
bc1c7567 1256 case PCI_D3hot:
1da177e4
LT		 1257 power_control |= 3;
1258 break;
1259
1260 default:
1261 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1262 "requested.\n",
1263 tp->dev->name, state);
1264 return -EINVAL;
1265 };
1266
1267 power_control |= PCI_PM_CTRL_PME_ENABLE;
1268
1269 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1270 tw32(TG3PCI_MISC_HOST_CTRL,
1271 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1272
1273 if (tp->link_config.phy_is_low_power == 0) {
1274 tp->link_config.phy_is_low_power = 1;
1275 tp->link_config.orig_speed = tp->link_config.speed;
1276 tp->link_config.orig_duplex = tp->link_config.duplex;
1277 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1278 }
1279
747e8f8b 1280 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 1281 tp->link_config.speed = SPEED_10;
1282 tp->link_config.duplex = DUPLEX_HALF;
1283 tp->link_config.autoneg = AUTONEG_ENABLE;
1284 tg3_setup_phy(tp, 0);
1285 }
1286
b5d3772c
MC		 1287 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1288 u32 val;
1289
1290 val = tr32(GRC_VCPU_EXT_CTRL);
1291 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1292 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 1293 int i;
1294 u32 val;
1295
1296 for (i = 0; i < 200; i++) {
1297 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1298 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1299 break;
1300 msleep(1);
1301 }
1302 }
1303 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1304 WOL_DRV_STATE_SHUTDOWN |
1305 WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1306
1da177e4
LT		 1307 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1308
1309 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1310 u32 mac_mode;
1311
1312 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1313 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1314 udelay(40);
1315
3f7045c1
MC		 1316 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1317 mac_mode = MAC_MODE_PORT_MODE_GMII;
1318 else
1319 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4
LT		 1320
1321 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1322 !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1323 mac_mode |= MAC_MODE_LINK_POLARITY;
1324 } else {
1325 mac_mode = MAC_MODE_PORT_MODE_TBI;
1326 }
1327
cbf46853 1328 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 1329 tw32(MAC_LED_CTRL, tp->led_ctrl);
1330
1331 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1332 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1333 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1334
1335 tw32_f(MAC_MODE, mac_mode);
1336 udelay(100);
1337
1338 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1339 udelay(10);
1340 }
1341
1342 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1343 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1344 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1345 u32 base_val;
1346
1347 base_val = tp->pci_clock_ctrl;
1348 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1349 CLOCK_CTRL_TXCLK_DISABLE);
1350
b401e9e2
MC		 1351 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1352 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857
MC		 1353 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1354 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 1355 /* do nothing */
85e94ced 1356 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 1357 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1358 u32 newbits1, newbits2;
1359
1360 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1361 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1362 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1363 CLOCK_CTRL_TXCLK_DISABLE |
1364 CLOCK_CTRL_ALTCLK);
1365 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1366 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1367 newbits1 = CLOCK_CTRL_625_CORE;
1368 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1369 } else {
1370 newbits1 = CLOCK_CTRL_ALTCLK;
1371 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1372 }
1373
b401e9e2
MC		 1374 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1375 40);
1da177e4 1376
b401e9e2
MC		 1377 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1378 40);
1da177e4
LT		 1379
1380 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1381 u32 newbits3;
1382
1383 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1384 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1385 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1386 CLOCK_CTRL_TXCLK_DISABLE |
1387 CLOCK_CTRL_44MHZ_CORE);
1388 } else {
1389 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1390 }
1391
b401e9e2
MC		 1392 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1393 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 1394 }
1395 }
1396
6921d201 1397 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
3f7045c1
MC		 1398 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1399 tg3_power_down_phy(tp);
6921d201 1400
1da177e4
LT		 1401 tg3_frob_aux_power(tp);
1402
1403 /* Workaround for unstable PLL clock */
1404 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1405 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1406 u32 val = tr32(0x7d00);
1407
1408 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1409 tw32(0x7d00, val);
6921d201 1410 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 1411 int err;
1412
1413 err = tg3_nvram_lock(tp);
1da177e4 1414 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 1415 if (!err)
1416 tg3_nvram_unlock(tp);
6921d201 1417 }
1da177e4
LT		 1418 }
1419
bbadf503
MC		 1420 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1421
1da177e4
LT		 1422 /* Finally, set the new power state. */
1423 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
8c6bda1a 1424 udelay(100); /* Delay after power state change */
1da177e4 1425
1da177e4
LT		 1426 return 0;
1427}
1428
1429static void tg3_link_report(struct tg3 *tp)
1430{
1431 if (!netif_carrier_ok(tp->dev)) {
9f88f29f
MC		 1432 if (netif_msg_link(tp))
1433 printk(KERN_INFO PFX "%s: Link is down.\n",
1434 tp->dev->name);
1435 } else if (netif_msg_link(tp)) {
1da177e4
LT		 1436 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1437 tp->dev->name,
1438 (tp->link_config.active_speed == SPEED_1000 ?
1439 1000 :
1440 (tp->link_config.active_speed == SPEED_100 ?
1441 100 : 10)),
1442 (tp->link_config.active_duplex == DUPLEX_FULL ?
1443 "full" : "half"));
1444
1445 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1446 "%s for RX.\n",
1447 tp->dev->name,
1448 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1449 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1450 }
1451}
1452
1453static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1454{
1455 u32 new_tg3_flags = 0;
1456 u32 old_rx_mode = tp->rx_mode;
1457 u32 old_tx_mode = tp->tx_mode;
1458
1459 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
747e8f8b
MC		 1460
1461 /* Convert 1000BaseX flow control bits to 1000BaseT
1462 * bits before resolving flow control.
1463 */
1464 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1465 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1466 ADVERTISE_PAUSE_ASYM);
1467 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1468
1469 if (local_adv & ADVERTISE_1000XPAUSE)
1470 local_adv |= ADVERTISE_PAUSE_CAP;
1471 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1472 local_adv |= ADVERTISE_PAUSE_ASYM;
1473 if (remote_adv & LPA_1000XPAUSE)
1474 remote_adv |= LPA_PAUSE_CAP;
1475 if (remote_adv & LPA_1000XPAUSE_ASYM)
1476 remote_adv |= LPA_PAUSE_ASYM;
1477 }
1478
1da177e4
LT		 1479 if (local_adv & ADVERTISE_PAUSE_CAP) {
1480 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1481 if (remote_adv & LPA_PAUSE_CAP)
1482 new_tg3_flags |=
1483 (TG3_FLAG_RX_PAUSE |
1484 TG3_FLAG_TX_PAUSE);
1485 else if (remote_adv & LPA_PAUSE_ASYM)
1486 new_tg3_flags |=
1487 (TG3_FLAG_RX_PAUSE);
1488 } else {
1489 if (remote_adv & LPA_PAUSE_CAP)
1490 new_tg3_flags |=
1491 (TG3_FLAG_RX_PAUSE |
1492 TG3_FLAG_TX_PAUSE);
1493 }
1494 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1495 if ((remote_adv & LPA_PAUSE_CAP) &&
1496 (remote_adv & LPA_PAUSE_ASYM))
1497 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1498 }
1499
1500 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1501 tp->tg3_flags |= new_tg3_flags;
1502 } else {
1503 new_tg3_flags = tp->tg3_flags;
1504 }
1505
1506 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1507 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1508 else
1509 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1510
1511 if (old_rx_mode != tp->rx_mode) {
1512 tw32_f(MAC_RX_MODE, tp->rx_mode);
1513 }
6aa20a22 1514
1da177e4
LT		 1515 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1516 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1517 else
1518 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1519
1520 if (old_tx_mode != tp->tx_mode) {
1521 tw32_f(MAC_TX_MODE, tp->tx_mode);
1522 }
1523}
1524
1525static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1526{
1527 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1528 case MII_TG3_AUX_STAT_10HALF:
1529 *speed = SPEED_10;
1530 *duplex = DUPLEX_HALF;
1531 break;
1532
1533 case MII_TG3_AUX_STAT_10FULL:
1534 *speed = SPEED_10;
1535 *duplex = DUPLEX_FULL;
1536 break;
1537
1538 case MII_TG3_AUX_STAT_100HALF:
1539 *speed = SPEED_100;
1540 *duplex = DUPLEX_HALF;
1541 break;
1542
1543 case MII_TG3_AUX_STAT_100FULL:
1544 *speed = SPEED_100;
1545 *duplex = DUPLEX_FULL;
1546 break;
1547
1548 case MII_TG3_AUX_STAT_1000HALF:
1549 *speed = SPEED_1000;
1550 *duplex = DUPLEX_HALF;
1551 break;
1552
1553 case MII_TG3_AUX_STAT_1000FULL:
1554 *speed = SPEED_1000;
1555 *duplex = DUPLEX_FULL;
1556 break;
1557
1558 default:
715116a1
MC		 1559 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1560 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1561 SPEED_10;
1562 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1563 DUPLEX_HALF;
1564 break;
1565 }
1da177e4
LT		 1566 *speed = SPEED_INVALID;
1567 *duplex = DUPLEX_INVALID;
1568 break;
1569 };
1570}
1571
1572static void tg3_phy_copper_begin(struct tg3 *tp)
1573{
1574 u32 new_adv;
1575 int i;
1576
1577 if (tp->link_config.phy_is_low_power) {
1578 /* Entering low power mode. Disable gigabit and
1579 * 100baseT advertisements.
1580 */
1581 tg3_writephy(tp, MII_TG3_CTRL, 0);
1582
1583 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1584 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1585 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1586 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1587
1588 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1589 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 1590 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1591 tp->link_config.advertising &=
1592 ~(ADVERTISED_1000baseT_Half |
1593 ADVERTISED_1000baseT_Full);
1594
1595 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1596 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1597 new_adv |= ADVERTISE_10HALF;
1598 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1599 new_adv |= ADVERTISE_10FULL;
1600 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1601 new_adv |= ADVERTISE_100HALF;
1602 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1603 new_adv |= ADVERTISE_100FULL;
1604 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1605
1606 if (tp->link_config.advertising &
1607 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1608 new_adv = 0;
1609 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1610 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1611 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1612 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1613 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1614 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1615 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1616 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1617 MII_TG3_CTRL_ENABLE_AS_MASTER);
1618 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1619 } else {
1620 tg3_writephy(tp, MII_TG3_CTRL, 0);
1621 }
1622 } else {
1623 /* Asking for a specific link mode. */
1624 if (tp->link_config.speed == SPEED_1000) {
1625 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1626 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1627
1628 if (tp->link_config.duplex == DUPLEX_FULL)
1629 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1630 else
1631 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1632 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1633 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1634 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1635 MII_TG3_CTRL_ENABLE_AS_MASTER);
1636 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1637 } else {
1638 tg3_writephy(tp, MII_TG3_CTRL, 0);
1639
1640 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1641 if (tp->link_config.speed == SPEED_100) {
1642 if (tp->link_config.duplex == DUPLEX_FULL)
1643 new_adv |= ADVERTISE_100FULL;
1644 else
1645 new_adv |= ADVERTISE_100HALF;
1646 } else {
1647 if (tp->link_config.duplex == DUPLEX_FULL)
1648 new_adv |= ADVERTISE_10FULL;
1649 else
1650 new_adv |= ADVERTISE_10HALF;
1651 }
1652 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1653 }
1654 }
1655
1656 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1657 tp->link_config.speed != SPEED_INVALID) {
1658 u32 bmcr, orig_bmcr;
1659
1660 tp->link_config.active_speed = tp->link_config.speed;
1661 tp->link_config.active_duplex = tp->link_config.duplex;
1662
1663 bmcr = 0;
1664 switch (tp->link_config.speed) {
1665 default:
1666 case SPEED_10:
1667 break;
1668
1669 case SPEED_100:
1670 bmcr |= BMCR_SPEED100;
1671 break;
1672
1673 case SPEED_1000:
1674 bmcr |= TG3_BMCR_SPEED1000;
1675 break;
1676 };
1677
1678 if (tp->link_config.duplex == DUPLEX_FULL)
1679 bmcr |= BMCR_FULLDPLX;
1680
1681 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1682 (bmcr != orig_bmcr)) {
1683 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1684 for (i = 0; i < 1500; i++) {
1685 u32 tmp;
1686
1687 udelay(10);
1688 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1689 tg3_readphy(tp, MII_BMSR, &tmp))
1690 continue;
1691 if (!(tmp & BMSR_LSTATUS)) {
1692 udelay(40);
1693 break;
1694 }
1695 }
1696 tg3_writephy(tp, MII_BMCR, bmcr);
1697 udelay(40);
1698 }
1699 } else {
1700 tg3_writephy(tp, MII_BMCR,
1701 BMCR_ANENABLE | BMCR_ANRESTART);
1702 }
1703}
1704
1705static int tg3_init_5401phy_dsp(struct tg3 *tp)
1706{
1707 int err;
1708
1709 /* Turn off tap power management. */
1710 /* Set Extended packet length bit */
1711 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1712
1713 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1714 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1715
1716 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1717 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1718
1719 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1720 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1721
1722 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1723 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1724
1725 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1726 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1727
1728 udelay(40);
1729
1730 return err;
1731}
1732
3600d918 1733static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 1734{
3600d918
MC		 1735 u32 adv_reg, all_mask = 0;
1736
1737 if (mask & ADVERTISED_10baseT_Half)
1738 all_mask |= ADVERTISE_10HALF;
1739 if (mask & ADVERTISED_10baseT_Full)
1740 all_mask |= ADVERTISE_10FULL;
1741 if (mask & ADVERTISED_100baseT_Half)
1742 all_mask |= ADVERTISE_100HALF;
1743 if (mask & ADVERTISED_100baseT_Full)
1744 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 1745
1746 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1747 return 0;
1748
1da177e4
LT		 1749 if ((adv_reg & all_mask) != all_mask)
1750 return 0;
1751 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1752 u32 tg3_ctrl;
1753
3600d918
MC		 1754 all_mask = 0;
1755 if (mask & ADVERTISED_1000baseT_Half)
1756 all_mask |= ADVERTISE_1000HALF;
1757 if (mask & ADVERTISED_1000baseT_Full)
1758 all_mask |= ADVERTISE_1000FULL;
1759
1da177e4
LT		 1760 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1761 return 0;
1762
1da177e4
LT		 1763 if ((tg3_ctrl & all_mask) != all_mask)
1764 return 0;
1765 }
1766 return 1;
1767}
1768
1769static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1770{
1771 int current_link_up;
1772 u32 bmsr, dummy;
1773 u16 current_speed;
1774 u8 current_duplex;
1775 int i, err;
1776
1777 tw32(MAC_EVENT, 0);
1778
1779 tw32_f(MAC_STATUS,
1780 (MAC_STATUS_SYNC_CHANGED |
1781 MAC_STATUS_CFG_CHANGED |
1782 MAC_STATUS_MI_COMPLETION |
1783 MAC_STATUS_LNKSTATE_CHANGED));
1784 udelay(40);
1785
1786 tp->mi_mode = MAC_MI_MODE_BASE;
1787 tw32_f(MAC_MI_MODE, tp->mi_mode);
1788 udelay(80);
1789
1790 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1791
1792 /* Some third-party PHYs need to be reset on link going
1793 * down.
1794 */
1795 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1796 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1797 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1798 netif_carrier_ok(tp->dev)) {
1799 tg3_readphy(tp, MII_BMSR, &bmsr);
1800 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1801 !(bmsr & BMSR_LSTATUS))
1802 force_reset = 1;
1803 }
1804 if (force_reset)
1805 tg3_phy_reset(tp);
1806
1807 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1808 tg3_readphy(tp, MII_BMSR, &bmsr);
1809 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1810 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1811 bmsr = 0;
1812
1813 if (!(bmsr & BMSR_LSTATUS)) {
1814 err = tg3_init_5401phy_dsp(tp);
1815 if (err)
1816 return err;
1817
1818 tg3_readphy(tp, MII_BMSR, &bmsr);
1819 for (i = 0; i < 1000; i++) {
1820 udelay(10);
1821 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1822 (bmsr & BMSR_LSTATUS)) {
1823 udelay(40);
1824 break;
1825 }
1826 }
1827
1828 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1829 !(bmsr & BMSR_LSTATUS) &&
1830 tp->link_config.active_speed == SPEED_1000) {
1831 err = tg3_phy_reset(tp);
1832 if (!err)
1833 err = tg3_init_5401phy_dsp(tp);
1834 if (err)
1835 return err;
1836 }
1837 }
1838 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1839 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1840 /* 5701 {A0,B0} CRC bug workaround */
1841 tg3_writephy(tp, 0x15, 0x0a75);
1842 tg3_writephy(tp, 0x1c, 0x8c68);
1843 tg3_writephy(tp, 0x1c, 0x8d68);
1844 tg3_writephy(tp, 0x1c, 0x8c68);
1845 }
1846
1847 /* Clear pending interrupts... */
1848 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1849 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1850
1851 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1852 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
715116a1 1853 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1da177e4
LT		 1854 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1855
1856 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1857 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1858 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1859 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1860 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1861 else
1862 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1863 }
1864
1865 current_link_up = 0;
1866 current_speed = SPEED_INVALID;
1867 current_duplex = DUPLEX_INVALID;
1868
1869 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1870 u32 val;
1871
1872 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1873 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1874 if (!(val & (1 << 10))) {
1875 val |= (1 << 10);
1876 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1877 goto relink;
1878 }
1879 }
1880
1881 bmsr = 0;
1882 for (i = 0; i < 100; i++) {
1883 tg3_readphy(tp, MII_BMSR, &bmsr);
1884 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1885 (bmsr & BMSR_LSTATUS))
1886 break;
1887 udelay(40);
1888 }
1889
1890 if (bmsr & BMSR_LSTATUS) {
1891 u32 aux_stat, bmcr;
1892
1893 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1894 for (i = 0; i < 2000; i++) {
1895 udelay(10);
1896 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1897 aux_stat)
1898 break;
1899 }
1900
1901 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1902 &current_speed,
1903 &current_duplex);
1904
1905 bmcr = 0;
1906 for (i = 0; i < 200; i++) {
1907 tg3_readphy(tp, MII_BMCR, &bmcr);
1908 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1909 continue;
1910 if (bmcr && bmcr != 0x7fff)
1911 break;
1912 udelay(10);
1913 }
1914
1915 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1916 if (bmcr & BMCR_ANENABLE) {
1917 current_link_up = 1;
1918
1919 /* Force autoneg restart if we are exiting
1920 * low power mode.
1921 */
3600d918
MC		 1922 if (!tg3_copper_is_advertising_all(tp,
1923 tp->link_config.advertising))
1da177e4
LT		 1924 current_link_up = 0;
1925 } else {
1926 current_link_up = 0;
1927 }
1928 } else {
1929 if (!(bmcr & BMCR_ANENABLE) &&
1930 tp->link_config.speed == current_speed &&
1931 tp->link_config.duplex == current_duplex) {
1932 current_link_up = 1;
1933 } else {
1934 current_link_up = 0;
1935 }
1936 }
1937
1938 tp->link_config.active_speed = current_speed;
1939 tp->link_config.active_duplex = current_duplex;
1940 }
1941
1942 if (current_link_up == 1 &&
1943 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1944 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1945 u32 local_adv, remote_adv;
1946
1947 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1948 local_adv = 0;
1949 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1950
1951 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1952 remote_adv = 0;
1953
1954 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1955
1956 /* If we are not advertising full pause capability,
1957 * something is wrong. Bring the link down and reconfigure.
1958 */
1959 if (local_adv != ADVERTISE_PAUSE_CAP) {
1960 current_link_up = 0;
1961 } else {
1962 tg3_setup_flow_control(tp, local_adv, remote_adv);
1963 }
1964 }
1965relink:
6921d201 1966 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 1967 u32 tmp;
1968
1969 tg3_phy_copper_begin(tp);
1970
1971 tg3_readphy(tp, MII_BMSR, &tmp);
1972 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1973 (tmp & BMSR_LSTATUS))
1974 current_link_up = 1;
1975 }
1976
1977 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1978 if (current_link_up == 1) {
1979 if (tp->link_config.active_speed == SPEED_100 ||
1980 tp->link_config.active_speed == SPEED_10)
1981 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1982 else
1983 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1984 } else
1985 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1986
1987 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1988 if (tp->link_config.active_duplex == DUPLEX_HALF)
1989 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1990
1991 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1992 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1993 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1994 (current_link_up == 1 &&
1995 tp->link_config.active_speed == SPEED_10))
1996 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1997 } else {
1998 if (current_link_up == 1)
1999 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
2000 }
2001
2002 /* ??? Without this setting Netgear GA302T PHY does not
2003 * ??? send/receive packets...
2004 */
2005 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2006 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2007 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2008 tw32_f(MAC_MI_MODE, tp->mi_mode);
2009 udelay(80);
2010 }
2011
2012 tw32_f(MAC_MODE, tp->mac_mode);
2013 udelay(40);
2014
2015 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2016 /* Polled via timer. */
2017 tw32_f(MAC_EVENT, 0);
2018 } else {
2019 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2020 }
2021 udelay(40);
2022
2023 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2024 current_link_up == 1 &&
2025 tp->link_config.active_speed == SPEED_1000 &&
2026 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2027 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2028 udelay(120);
2029 tw32_f(MAC_STATUS,
2030 (MAC_STATUS_SYNC_CHANGED |
2031 MAC_STATUS_CFG_CHANGED));
2032 udelay(40);
2033 tg3_write_mem(tp,
2034 NIC_SRAM_FIRMWARE_MBOX,
2035 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2036 }
2037
2038 if (current_link_up != netif_carrier_ok(tp->dev)) {
2039 if (current_link_up)
2040 netif_carrier_on(tp->dev);
2041 else
2042 netif_carrier_off(tp->dev);
2043 tg3_link_report(tp);
2044 }
2045
2046 return 0;
2047}
2048
2049struct tg3_fiber_aneginfo {
2050 int state;
2051#define ANEG_STATE_UNKNOWN 0
2052#define ANEG_STATE_AN_ENABLE 1
2053#define ANEG_STATE_RESTART_INIT 2
2054#define ANEG_STATE_RESTART 3
2055#define ANEG_STATE_DISABLE_LINK_OK 4
2056#define ANEG_STATE_ABILITY_DETECT_INIT 5
2057#define ANEG_STATE_ABILITY_DETECT 6
2058#define ANEG_STATE_ACK_DETECT_INIT 7
2059#define ANEG_STATE_ACK_DETECT 8
2060#define ANEG_STATE_COMPLETE_ACK_INIT 9
2061#define ANEG_STATE_COMPLETE_ACK 10
2062#define ANEG_STATE_IDLE_DETECT_INIT 11
2063#define ANEG_STATE_IDLE_DETECT 12
2064#define ANEG_STATE_LINK_OK 13
2065#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2066#define ANEG_STATE_NEXT_PAGE_WAIT 15
2067
2068 u32 flags;
2069#define MR_AN_ENABLE 0x00000001
2070#define MR_RESTART_AN 0x00000002
2071#define MR_AN_COMPLETE 0x00000004
2072#define MR_PAGE_RX 0x00000008
2073#define MR_NP_LOADED 0x00000010
2074#define MR_TOGGLE_TX 0x00000020
2075#define MR_LP_ADV_FULL_DUPLEX 0x00000040
2076#define MR_LP_ADV_HALF_DUPLEX 0x00000080
2077#define MR_LP_ADV_SYM_PAUSE 0x00000100
2078#define MR_LP_ADV_ASYM_PAUSE 0x00000200
2079#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2080#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2081#define MR_LP_ADV_NEXT_PAGE 0x00001000
2082#define MR_TOGGLE_RX 0x00002000
2083#define MR_NP_RX 0x00004000
2084
2085#define MR_LINK_OK 0x80000000
2086
2087 unsigned long link_time, cur_time;
2088
2089 u32 ability_match_cfg;
2090 int ability_match_count;
2091
2092 char ability_match, idle_match, ack_match;
2093
2094 u32 txconfig, rxconfig;
2095#define ANEG_CFG_NP 0x00000080
2096#define ANEG_CFG_ACK 0x00000040
2097#define ANEG_CFG_RF2 0x00000020
2098#define ANEG_CFG_RF1 0x00000010
2099#define ANEG_CFG_PS2 0x00000001
2100#define ANEG_CFG_PS1 0x00008000
2101#define ANEG_CFG_HD 0x00004000
2102#define ANEG_CFG_FD 0x00002000
2103#define ANEG_CFG_INVAL 0x00001f06
2104
2105};
2106#define ANEG_OK 0
2107#define ANEG_DONE 1
2108#define ANEG_TIMER_ENAB 2
2109#define ANEG_FAILED -1
2110
2111#define ANEG_STATE_SETTLE_TIME 10000
2112
2113static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2114 struct tg3_fiber_aneginfo *ap)
2115{
2116 unsigned long delta;
2117 u32 rx_cfg_reg;
2118 int ret;
2119
2120 if (ap->state == ANEG_STATE_UNKNOWN) {
2121 ap->rxconfig = 0;
2122 ap->link_time = 0;
2123 ap->cur_time = 0;
2124 ap->ability_match_cfg = 0;
2125 ap->ability_match_count = 0;
2126 ap->ability_match = 0;
2127 ap->idle_match = 0;
2128 ap->ack_match = 0;
2129 }
2130 ap->cur_time++;
2131
2132 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2133 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2134
2135 if (rx_cfg_reg != ap->ability_match_cfg) {
2136 ap->ability_match_cfg = rx_cfg_reg;
2137 ap->ability_match = 0;
2138 ap->ability_match_count = 0;
2139 } else {
2140 if (++ap->ability_match_count > 1) {
2141 ap->ability_match = 1;
2142 ap->ability_match_cfg = rx_cfg_reg;
2143 }
2144 }
2145 if (rx_cfg_reg & ANEG_CFG_ACK)
2146 ap->ack_match = 1;
2147 else
2148 ap->ack_match = 0;
2149
2150 ap->idle_match = 0;
2151 } else {
2152 ap->idle_match = 1;
2153 ap->ability_match_cfg = 0;
2154 ap->ability_match_count = 0;
2155 ap->ability_match = 0;
2156 ap->ack_match = 0;
2157
2158 rx_cfg_reg = 0;
2159 }
2160
2161 ap->rxconfig = rx_cfg_reg;
2162 ret = ANEG_OK;
2163
2164 switch(ap->state) {
2165 case ANEG_STATE_UNKNOWN:
2166 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2167 ap->state = ANEG_STATE_AN_ENABLE;
2168
2169 /* fallthru */
2170 case ANEG_STATE_AN_ENABLE:
2171 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2172 if (ap->flags & MR_AN_ENABLE) {
2173 ap->link_time = 0;
2174 ap->cur_time = 0;
2175 ap->ability_match_cfg = 0;
2176 ap->ability_match_count = 0;
2177 ap->ability_match = 0;
2178 ap->idle_match = 0;
2179 ap->ack_match = 0;
2180
2181 ap->state = ANEG_STATE_RESTART_INIT;
2182 } else {
2183 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2184 }
2185 break;
2186
2187 case ANEG_STATE_RESTART_INIT:
2188 ap->link_time = ap->cur_time;
2189 ap->flags &= ~(MR_NP_LOADED);
2190 ap->txconfig = 0;
2191 tw32(MAC_TX_AUTO_NEG, 0);
2192 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2193 tw32_f(MAC_MODE, tp->mac_mode);
2194 udelay(40);
2195
2196 ret = ANEG_TIMER_ENAB;
2197 ap->state = ANEG_STATE_RESTART;
2198
2199 /* fallthru */
2200 case ANEG_STATE_RESTART:
2201 delta = ap->cur_time - ap->link_time;
2202 if (delta > ANEG_STATE_SETTLE_TIME) {
2203 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2204 } else {
2205 ret = ANEG_TIMER_ENAB;
2206 }
2207 break;
2208
2209 case ANEG_STATE_DISABLE_LINK_OK:
2210 ret = ANEG_DONE;
2211 break;
2212
2213 case ANEG_STATE_ABILITY_DETECT_INIT:
2214 ap->flags &= ~(MR_TOGGLE_TX);
2215 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2216 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2217 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2218 tw32_f(MAC_MODE, tp->mac_mode);
2219 udelay(40);
2220
2221 ap->state = ANEG_STATE_ABILITY_DETECT;
2222 break;
2223
2224 case ANEG_STATE_ABILITY_DETECT:
2225 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2226 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2227 }
2228 break;
2229
2230 case ANEG_STATE_ACK_DETECT_INIT:
2231 ap->txconfig |= ANEG_CFG_ACK;
2232 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2233 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2234 tw32_f(MAC_MODE, tp->mac_mode);
2235 udelay(40);
2236
2237 ap->state = ANEG_STATE_ACK_DETECT;
2238
2239 /* fallthru */
2240 case ANEG_STATE_ACK_DETECT:
2241 if (ap->ack_match != 0) {
2242 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2243 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2244 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2245 } else {
2246 ap->state = ANEG_STATE_AN_ENABLE;
2247 }
2248 } else if (ap->ability_match != 0 &&
2249 ap->rxconfig == 0) {
2250 ap->state = ANEG_STATE_AN_ENABLE;
2251 }
2252 break;
2253
2254 case ANEG_STATE_COMPLETE_ACK_INIT:
2255 if (ap->rxconfig & ANEG_CFG_INVAL) {
2256 ret = ANEG_FAILED;
2257 break;
2258 }
2259 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2260 MR_LP_ADV_HALF_DUPLEX |
2261 MR_LP_ADV_SYM_PAUSE |
2262 MR_LP_ADV_ASYM_PAUSE |
2263 MR_LP_ADV_REMOTE_FAULT1 |
2264 MR_LP_ADV_REMOTE_FAULT2 |
2265 MR_LP_ADV_NEXT_PAGE |
2266 MR_TOGGLE_RX |
2267 MR_NP_RX);
2268 if (ap->rxconfig & ANEG_CFG_FD)
2269 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2270 if (ap->rxconfig & ANEG_CFG_HD)
2271 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2272 if (ap->rxconfig & ANEG_CFG_PS1)
2273 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2274 if (ap->rxconfig & ANEG_CFG_PS2)
2275 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2276 if (ap->rxconfig & ANEG_CFG_RF1)
2277 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2278 if (ap->rxconfig & ANEG_CFG_RF2)
2279 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2280 if (ap->rxconfig & ANEG_CFG_NP)
2281 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2282
2283 ap->link_time = ap->cur_time;
2284
2285 ap->flags ^= (MR_TOGGLE_TX);
2286 if (ap->rxconfig & 0x0008)
2287 ap->flags |= MR_TOGGLE_RX;
2288 if (ap->rxconfig & ANEG_CFG_NP)
2289 ap->flags |= MR_NP_RX;
2290 ap->flags |= MR_PAGE_RX;
2291
2292 ap->state = ANEG_STATE_COMPLETE_ACK;
2293 ret = ANEG_TIMER_ENAB;
2294 break;
2295
2296 case ANEG_STATE_COMPLETE_ACK:
2297 if (ap->ability_match != 0 &&
2298 ap->rxconfig == 0) {
2299 ap->state = ANEG_STATE_AN_ENABLE;
2300 break;
2301 }
2302 delta = ap->cur_time - ap->link_time;
2303 if (delta > ANEG_STATE_SETTLE_TIME) {
2304 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2305 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2306 } else {
2307 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2308 !(ap->flags & MR_NP_RX)) {
2309 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2310 } else {
2311 ret = ANEG_FAILED;
2312 }
2313 }
2314 }
2315 break;
2316
2317 case ANEG_STATE_IDLE_DETECT_INIT:
2318 ap->link_time = ap->cur_time;
2319 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2320 tw32_f(MAC_MODE, tp->mac_mode);
2321 udelay(40);
2322
2323 ap->state = ANEG_STATE_IDLE_DETECT;
2324 ret = ANEG_TIMER_ENAB;
2325 break;
2326
2327 case ANEG_STATE_IDLE_DETECT:
2328 if (ap->ability_match != 0 &&
2329 ap->rxconfig == 0) {
2330 ap->state = ANEG_STATE_AN_ENABLE;
2331 break;
2332 }
2333 delta = ap->cur_time - ap->link_time;
2334 if (delta > ANEG_STATE_SETTLE_TIME) {
2335 /* XXX another gem from the Broadcom driver :( */
2336 ap->state = ANEG_STATE_LINK_OK;
2337 }
2338 break;
2339
2340 case ANEG_STATE_LINK_OK:
2341 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2342 ret = ANEG_DONE;
2343 break;
2344
2345 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2346 /* ??? unimplemented */
2347 break;
2348
2349 case ANEG_STATE_NEXT_PAGE_WAIT:
2350 /* ??? unimplemented */
2351 break;
2352
2353 default:
2354 ret = ANEG_FAILED;
2355 break;
2356 };
2357
2358 return ret;
2359}
2360
2361static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2362{
2363 int res = 0;
2364 struct tg3_fiber_aneginfo aninfo;
2365 int status = ANEG_FAILED;
2366 unsigned int tick;
2367 u32 tmp;
2368
2369 tw32_f(MAC_TX_AUTO_NEG, 0);
2370
2371 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2372 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2373 udelay(40);
2374
2375 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2376 udelay(40);
2377
2378 memset(&aninfo, 0, sizeof(aninfo));
2379 aninfo.flags |= MR_AN_ENABLE;
2380 aninfo.state = ANEG_STATE_UNKNOWN;
2381 aninfo.cur_time = 0;
2382 tick = 0;
2383 while (++tick < 195000) {
2384 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2385 if (status == ANEG_DONE || status == ANEG_FAILED)
2386 break;
2387
2388 udelay(1);
2389 }
2390
2391 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2392 tw32_f(MAC_MODE, tp->mac_mode);
2393 udelay(40);
2394
2395 *flags = aninfo.flags;
2396
2397 if (status == ANEG_DONE &&
2398 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2399 MR_LP_ADV_FULL_DUPLEX)))
2400 res = 1;
2401
2402 return res;
2403}
2404
2405static void tg3_init_bcm8002(struct tg3 *tp)
2406{
2407 u32 mac_status = tr32(MAC_STATUS);
2408 int i;
2409
2410 /* Reset when initting first time or we have a link. */
2411 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2412 !(mac_status & MAC_STATUS_PCS_SYNCED))
2413 return;
2414
2415 /* Set PLL lock range. */
2416 tg3_writephy(tp, 0x16, 0x8007);
2417
2418 /* SW reset */
2419 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2420
2421 /* Wait for reset to complete. */
2422 /* XXX schedule_timeout() ... */
2423 for (i = 0; i < 500; i++)
2424 udelay(10);
2425
2426 /* Config mode; select PMA/Ch 1 regs. */
2427 tg3_writephy(tp, 0x10, 0x8411);
2428
2429 /* Enable auto-lock and comdet, select txclk for tx. */
2430 tg3_writephy(tp, 0x11, 0x0a10);
2431
2432 tg3_writephy(tp, 0x18, 0x00a0);
2433 tg3_writephy(tp, 0x16, 0x41ff);
2434
2435 /* Assert and deassert POR. */
2436 tg3_writephy(tp, 0x13, 0x0400);
2437 udelay(40);
2438 tg3_writephy(tp, 0x13, 0x0000);
2439
2440 tg3_writephy(tp, 0x11, 0x0a50);
2441 udelay(40);
2442 tg3_writephy(tp, 0x11, 0x0a10);
2443
2444 /* Wait for signal to stabilize */
2445 /* XXX schedule_timeout() ... */
2446 for (i = 0; i < 15000; i++)
2447 udelay(10);
2448
2449 /* Deselect the channel register so we can read the PHYID
2450 * later.
2451 */
2452 tg3_writephy(tp, 0x10, 0x8011);
2453}
2454
2455static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2456{
2457 u32 sg_dig_ctrl, sg_dig_status;
2458 u32 serdes_cfg, expected_sg_dig_ctrl;
2459 int workaround, port_a;
2460 int current_link_up;
2461
2462 serdes_cfg = 0;
2463 expected_sg_dig_ctrl = 0;
2464 workaround = 0;
2465 port_a = 1;
2466 current_link_up = 0;
2467
2468 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2469 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2470 workaround = 1;
2471 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2472 port_a = 0;
2473
2474 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2475 /* preserve bits 20-23 for voltage regulator */
2476 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2477 }
2478
2479 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2480
2481 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2482 if (sg_dig_ctrl & (1 << 31)) {
2483 if (workaround) {
2484 u32 val = serdes_cfg;
2485
2486 if (port_a)
2487 val |= 0xc010000;
2488 else
2489 val |= 0x4010000;
2490 tw32_f(MAC_SERDES_CFG, val);
2491 }
2492 tw32_f(SG_DIG_CTRL, 0x01388400);
2493 }
2494 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2495 tg3_setup_flow_control(tp, 0, 0);
2496 current_link_up = 1;
2497 }
2498 goto out;
2499 }
2500
2501 /* Want auto-negotiation. */
2502 expected_sg_dig_ctrl = 0x81388400;
2503
2504 /* Pause capability */
2505 expected_sg_dig_ctrl |= (1 << 11);
2506
2507 /* Asymettric pause */
2508 expected_sg_dig_ctrl |= (1 << 12);
2509
2510 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 2511 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2512 tp->serdes_counter &&
2513 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2514 MAC_STATUS_RCVD_CFG)) ==
2515 MAC_STATUS_PCS_SYNCED)) {
2516 tp->serdes_counter--;
2517 current_link_up = 1;
2518 goto out;
2519 }
2520restart_autoneg:
1da177e4
LT		 2521 if (workaround)
2522 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2523 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2524 udelay(5);
2525 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2526
3d3ebe74
MC		 2527 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2528 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2529 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2530 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 2531 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 2532 mac_status = tr32(MAC_STATUS);
2533
2534 if ((sg_dig_status & (1 << 1)) &&
2535 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2536 u32 local_adv, remote_adv;
2537
2538 local_adv = ADVERTISE_PAUSE_CAP;
2539 remote_adv = 0;
2540 if (sg_dig_status & (1 << 19))
2541 remote_adv |= LPA_PAUSE_CAP;
2542 if (sg_dig_status & (1 << 20))
2543 remote_adv |= LPA_PAUSE_ASYM;
2544
2545 tg3_setup_flow_control(tp, local_adv, remote_adv);
2546 current_link_up = 1;
3d3ebe74
MC		 2547 tp->serdes_counter = 0;
2548 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4 2549 } else if (!(sg_dig_status & (1 << 1))) {
3d3ebe74
MC		 2550 if (tp->serdes_counter)
2551 tp->serdes_counter--;
1da177e4
LT		 2552 else {
2553 if (workaround) {
2554 u32 val = serdes_cfg;
2555
2556 if (port_a)
2557 val |= 0xc010000;
2558 else
2559 val |= 0x4010000;
2560
2561 tw32_f(MAC_SERDES_CFG, val);
2562 }
2563
2564 tw32_f(SG_DIG_CTRL, 0x01388400);
2565 udelay(40);
2566
2567 /* Link parallel detection - link is up */
2568 /* only if we have PCS_SYNC and not */
2569 /* receiving config code words */
2570 mac_status = tr32(MAC_STATUS);
2571 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2572 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2573 tg3_setup_flow_control(tp, 0, 0);
2574 current_link_up = 1;
3d3ebe74
MC		 2575 tp->tg3_flags2 |=
2576 TG3_FLG2_PARALLEL_DETECT;
2577 tp->serdes_counter =
2578 SERDES_PARALLEL_DET_TIMEOUT;
2579 } else
2580 goto restart_autoneg;
1da177e4
LT		 2581 }
2582 }
3d3ebe74
MC		 2583 } else {
2584 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2585 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2586 }
2587
2588out:
2589 return current_link_up;
2590}
2591
2592static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2593{
2594 int current_link_up = 0;
2595
2596 if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2597 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2598 goto out;
2599 }
2600
2601 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2602 u32 flags;
2603 int i;
6aa20a22 2604
1da177e4
LT		 2605 if (fiber_autoneg(tp, &flags)) {
2606 u32 local_adv, remote_adv;
2607
2608 local_adv = ADVERTISE_PAUSE_CAP;
2609 remote_adv = 0;
2610 if (flags & MR_LP_ADV_SYM_PAUSE)
2611 remote_adv |= LPA_PAUSE_CAP;
2612 if (flags & MR_LP_ADV_ASYM_PAUSE)
2613 remote_adv |= LPA_PAUSE_ASYM;
2614
2615 tg3_setup_flow_control(tp, local_adv, remote_adv);
2616
2617 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2618 current_link_up = 1;
2619 }
2620 for (i = 0; i < 30; i++) {
2621 udelay(20);
2622 tw32_f(MAC_STATUS,
2623 (MAC_STATUS_SYNC_CHANGED |
2624 MAC_STATUS_CFG_CHANGED));
2625 udelay(40);
2626 if ((tr32(MAC_STATUS) &
2627 (MAC_STATUS_SYNC_CHANGED |
2628 MAC_STATUS_CFG_CHANGED)) == 0)
2629 break;
2630 }
2631
2632 mac_status = tr32(MAC_STATUS);
2633 if (current_link_up == 0 &&
2634 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2635 !(mac_status & MAC_STATUS_RCVD_CFG))
2636 current_link_up = 1;
2637 } else {
2638 /* Forcing 1000FD link up. */
2639 current_link_up = 1;
2640 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2641
2642 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2643 udelay(40);
2644 }
2645
2646out:
2647 return current_link_up;
2648}
2649
2650static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2651{
2652 u32 orig_pause_cfg;
2653 u16 orig_active_speed;
2654 u8 orig_active_duplex;
2655 u32 mac_status;
2656 int current_link_up;
2657 int i;
2658
2659 orig_pause_cfg =
2660 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2661 TG3_FLAG_TX_PAUSE));
2662 orig_active_speed = tp->link_config.active_speed;
2663 orig_active_duplex = tp->link_config.active_duplex;
2664
2665 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2666 netif_carrier_ok(tp->dev) &&
2667 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2668 mac_status = tr32(MAC_STATUS);
2669 mac_status &= (MAC_STATUS_PCS_SYNCED |
2670 MAC_STATUS_SIGNAL_DET |
2671 MAC_STATUS_CFG_CHANGED |
2672 MAC_STATUS_RCVD_CFG);
2673 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2674 MAC_STATUS_SIGNAL_DET)) {
2675 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2676 MAC_STATUS_CFG_CHANGED));
2677 return 0;
2678 }
2679 }
2680
2681 tw32_f(MAC_TX_AUTO_NEG, 0);
2682
2683 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2684 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2685 tw32_f(MAC_MODE, tp->mac_mode);
2686 udelay(40);
2687
2688 if (tp->phy_id == PHY_ID_BCM8002)
2689 tg3_init_bcm8002(tp);
2690
2691 /* Enable link change event even when serdes polling. */
2692 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2693 udelay(40);
2694
2695 current_link_up = 0;
2696 mac_status = tr32(MAC_STATUS);
2697
2698 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2699 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2700 else
2701 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2702
2703 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2704 tw32_f(MAC_MODE, tp->mac_mode);
2705 udelay(40);
2706
2707 tp->hw_status->status =
2708 (SD_STATUS_UPDATED |
2709 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2710
2711 for (i = 0; i < 100; i++) {
2712 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2713 MAC_STATUS_CFG_CHANGED));
2714 udelay(5);
2715 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 2716 MAC_STATUS_CFG_CHANGED |
2717 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 2718 break;
2719 }
2720
2721 mac_status = tr32(MAC_STATUS);
2722 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2723 current_link_up = 0;
3d3ebe74
MC		 2724 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2725 tp->serdes_counter == 0) {
1da177e4
LT		 2726 tw32_f(MAC_MODE, (tp->mac_mode |
2727 MAC_MODE_SEND_CONFIGS));
2728 udelay(1);
2729 tw32_f(MAC_MODE, tp->mac_mode);
2730 }
2731 }
2732
2733 if (current_link_up == 1) {
2734 tp->link_config.active_speed = SPEED_1000;
2735 tp->link_config.active_duplex = DUPLEX_FULL;
2736 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2737 LED_CTRL_LNKLED_OVERRIDE |
2738 LED_CTRL_1000MBPS_ON));
2739 } else {
2740 tp->link_config.active_speed = SPEED_INVALID;
2741 tp->link_config.active_duplex = DUPLEX_INVALID;
2742 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2743 LED_CTRL_LNKLED_OVERRIDE |
2744 LED_CTRL_TRAFFIC_OVERRIDE));
2745 }
2746
2747 if (current_link_up != netif_carrier_ok(tp->dev)) {
2748 if (current_link_up)
2749 netif_carrier_on(tp->dev);
2750 else
2751 netif_carrier_off(tp->dev);
2752 tg3_link_report(tp);
2753 } else {
2754 u32 now_pause_cfg =
2755 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2756 TG3_FLAG_TX_PAUSE);
2757 if (orig_pause_cfg != now_pause_cfg ||
2758 orig_active_speed != tp->link_config.active_speed ||
2759 orig_active_duplex != tp->link_config.active_duplex)
2760 tg3_link_report(tp);
2761 }
2762
2763 return 0;
2764}
2765
747e8f8b
MC		 2766static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2767{
2768 int current_link_up, err = 0;
2769 u32 bmsr, bmcr;
2770 u16 current_speed;
2771 u8 current_duplex;
2772
2773 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2774 tw32_f(MAC_MODE, tp->mac_mode);
2775 udelay(40);
2776
2777 tw32(MAC_EVENT, 0);
2778
2779 tw32_f(MAC_STATUS,
2780 (MAC_STATUS_SYNC_CHANGED |
2781 MAC_STATUS_CFG_CHANGED |
2782 MAC_STATUS_MI_COMPLETION |
2783 MAC_STATUS_LNKSTATE_CHANGED));
2784 udelay(40);
2785
2786 if (force_reset)
2787 tg3_phy_reset(tp);
2788
2789 current_link_up = 0;
2790 current_speed = SPEED_INVALID;
2791 current_duplex = DUPLEX_INVALID;
2792
2793 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2794 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2795 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2796 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2797 bmsr |= BMSR_LSTATUS;
2798 else
2799 bmsr &= ~BMSR_LSTATUS;
2800 }
747e8f8b
MC		 2801
2802 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2803
2804 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2805 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2806 /* do nothing, just check for link up at the end */
2807 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2808 u32 adv, new_adv;
2809
2810 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2811 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2812 ADVERTISE_1000XPAUSE |
2813 ADVERTISE_1000XPSE_ASYM |
2814 ADVERTISE_SLCT);
2815
2816 /* Always advertise symmetric PAUSE just like copper */
2817 new_adv |= ADVERTISE_1000XPAUSE;
2818
2819 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2820 new_adv |= ADVERTISE_1000XHALF;
2821 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2822 new_adv |= ADVERTISE_1000XFULL;
2823
2824 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2825 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2826 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2827 tg3_writephy(tp, MII_BMCR, bmcr);
2828
2829 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 2830 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 2831 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2832
2833 return err;
2834 }
2835 } else {
2836 u32 new_bmcr;
2837
2838 bmcr &= ~BMCR_SPEED1000;
2839 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2840
2841 if (tp->link_config.duplex == DUPLEX_FULL)
2842 new_bmcr |= BMCR_FULLDPLX;
2843
2844 if (new_bmcr != bmcr) {
2845 /* BMCR_SPEED1000 is a reserved bit that needs
2846 * to be set on write.
2847 */
2848 new_bmcr |= BMCR_SPEED1000;
2849
2850 /* Force a linkdown */
2851 if (netif_carrier_ok(tp->dev)) {
2852 u32 adv;
2853
2854 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2855 adv &= ~(ADVERTISE_1000XFULL |
2856 ADVERTISE_1000XHALF |
2857 ADVERTISE_SLCT);
2858 tg3_writephy(tp, MII_ADVERTISE, adv);
2859 tg3_writephy(tp, MII_BMCR, bmcr |
2860 BMCR_ANRESTART |
2861 BMCR_ANENABLE);
2862 udelay(10);
2863 netif_carrier_off(tp->dev);
2864 }
2865 tg3_writephy(tp, MII_BMCR, new_bmcr);
2866 bmcr = new_bmcr;
2867 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2868 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2869 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2870 ASIC_REV_5714) {
2871 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2872 bmsr |= BMSR_LSTATUS;
2873 else
2874 bmsr &= ~BMSR_LSTATUS;
2875 }
747e8f8b
MC		 2876 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2877 }
2878 }
2879
2880 if (bmsr & BMSR_LSTATUS) {
2881 current_speed = SPEED_1000;
2882 current_link_up = 1;
2883 if (bmcr & BMCR_FULLDPLX)
2884 current_duplex = DUPLEX_FULL;
2885 else
2886 current_duplex = DUPLEX_HALF;
2887
2888 if (bmcr & BMCR_ANENABLE) {
2889 u32 local_adv, remote_adv, common;
2890
2891 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2892 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2893 common = local_adv & remote_adv;
2894 if (common & (ADVERTISE_1000XHALF |
2895 ADVERTISE_1000XFULL)) {
2896 if (common & ADVERTISE_1000XFULL)
2897 current_duplex = DUPLEX_FULL;
2898 else
2899 current_duplex = DUPLEX_HALF;
2900
2901 tg3_setup_flow_control(tp, local_adv,
2902 remote_adv);
2903 }
2904 else
2905 current_link_up = 0;
2906 }
2907 }
2908
2909 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2910 if (tp->link_config.active_duplex == DUPLEX_HALF)
2911 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2912
2913 tw32_f(MAC_MODE, tp->mac_mode);
2914 udelay(40);
2915
2916 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2917
2918 tp->link_config.active_speed = current_speed;
2919 tp->link_config.active_duplex = current_duplex;
2920
2921 if (current_link_up != netif_carrier_ok(tp->dev)) {
2922 if (current_link_up)
2923 netif_carrier_on(tp->dev);
2924 else {
2925 netif_carrier_off(tp->dev);
2926 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2927 }
2928 tg3_link_report(tp);
2929 }
2930 return err;
2931}
2932
2933static void tg3_serdes_parallel_detect(struct tg3 *tp)
2934{
3d3ebe74 2935 if (tp->serdes_counter) {
747e8f8b 2936 /* Give autoneg time to complete. */
3d3ebe74 2937 tp->serdes_counter--;
747e8f8b
MC		 2938 return;
2939 }
2940 if (!netif_carrier_ok(tp->dev) &&
2941 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2942 u32 bmcr;
2943
2944 tg3_readphy(tp, MII_BMCR, &bmcr);
2945 if (bmcr & BMCR_ANENABLE) {
2946 u32 phy1, phy2;
2947
2948 /* Select shadow register 0x1f */
2949 tg3_writephy(tp, 0x1c, 0x7c00);
2950 tg3_readphy(tp, 0x1c, &phy1);
2951
2952 /* Select expansion interrupt status register */
2953 tg3_writephy(tp, 0x17, 0x0f01);
2954 tg3_readphy(tp, 0x15, &phy2);
2955 tg3_readphy(tp, 0x15, &phy2);
2956
2957 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2958 /* We have signal detect and not receiving
2959 * config code words, link is up by parallel
2960 * detection.
2961 */
2962
2963 bmcr &= ~BMCR_ANENABLE;
2964 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2965 tg3_writephy(tp, MII_BMCR, bmcr);
2966 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2967 }
2968 }
2969 }
2970 else if (netif_carrier_ok(tp->dev) &&
2971 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2972 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2973 u32 phy2;
2974
2975 /* Select expansion interrupt status register */
2976 tg3_writephy(tp, 0x17, 0x0f01);
2977 tg3_readphy(tp, 0x15, &phy2);
2978 if (phy2 & 0x20) {
2979 u32 bmcr;
2980
2981 /* Config code words received, turn on autoneg. */
2982 tg3_readphy(tp, MII_BMCR, &bmcr);
2983 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2984
2985 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2986
2987 }
2988 }
2989}
2990
1da177e4
LT		 2991static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2992{
2993 int err;
2994
2995 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2996 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 2997 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2998 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 2999 } else {
3000 err = tg3_setup_copper_phy(tp, force_reset);
3001 }
3002
3003 if (tp->link_config.active_speed == SPEED_1000 &&
3004 tp->link_config.active_duplex == DUPLEX_HALF)
3005 tw32(MAC_TX_LENGTHS,
3006 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3007 (6 << TX_LENGTHS_IPG_SHIFT) |
3008 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3009 else
3010 tw32(MAC_TX_LENGTHS,
3011 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3012 (6 << TX_LENGTHS_IPG_SHIFT) |
3013 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3014
3015 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3016 if (netif_carrier_ok(tp->dev)) {
3017 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 3018 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 3019 } else {
3020 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3021 }
3022 }
3023
3024 return err;
3025}
3026
df3e6548
MC		 3027/* This is called whenever we suspect that the system chipset is re-
3028 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3029 * is bogus tx completions. We try to recover by setting the
3030 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3031 * in the workqueue.
3032 */
3033static void tg3_tx_recover(struct tg3 *tp)
3034{
3035 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3036 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3037
3038 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3039 "mapped I/O cycles to the network device, attempting to "
3040 "recover. Please report the problem to the driver maintainer "
3041 "and include system chipset information.\n", tp->dev->name);
3042
3043 spin_lock(&tp->lock);
df3e6548 3044 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 3045 spin_unlock(&tp->lock);
3046}
3047
1b2a7205
MC		 3048static inline u32 tg3_tx_avail(struct tg3 *tp)
3049{
3050 smp_mb();
3051 return (tp->tx_pending -
3052 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3053}
3054
1da177e4
LT		 3055/* Tigon3 never reports partial packet sends. So we do not
3056 * need special logic to handle SKBs that have not had all
3057 * of their frags sent yet, like SunGEM does.
3058 */
3059static void tg3_tx(struct tg3 *tp)
3060{
3061 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3062 u32 sw_idx = tp->tx_cons;
3063
3064 while (sw_idx != hw_idx) {
3065 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3066 struct sk_buff *skb = ri->skb;
df3e6548
MC		 3067 int i, tx_bug = 0;
3068
3069 if (unlikely(skb == NULL)) {
3070 tg3_tx_recover(tp);
3071 return;
3072 }
1da177e4 3073
1da177e4
LT		 3074 pci_unmap_single(tp->pdev,
3075 pci_unmap_addr(ri, mapping),
3076 skb_headlen(skb),
3077 PCI_DMA_TODEVICE);
3078
3079 ri->skb = NULL;
3080
3081 sw_idx = NEXT_TX(sw_idx);
3082
3083 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
1da177e4 3084 ri = &tp->tx_buffers[sw_idx];
df3e6548
MC		 3085 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3086 tx_bug = 1;
1da177e4
LT		 3087
3088 pci_unmap_page(tp->pdev,
3089 pci_unmap_addr(ri, mapping),
3090 skb_shinfo(skb)->frags[i].size,
3091 PCI_DMA_TODEVICE);
3092
3093 sw_idx = NEXT_TX(sw_idx);
3094 }
3095
f47c11ee 3096 dev_kfree_skb(skb);
df3e6548
MC		 3097
3098 if (unlikely(tx_bug)) {
3099 tg3_tx_recover(tp);
3100 return;
3101 }
1da177e4
LT		 3102 }
3103
3104 tp->tx_cons = sw_idx;
3105
1b2a7205
MC		 3106 /* Need to make the tx_cons update visible to tg3_start_xmit()
3107 * before checking for netif_queue_stopped(). Without the
3108 * memory barrier, there is a small possibility that tg3_start_xmit()
3109 * will miss it and cause the queue to be stopped forever.
3110 */
3111 smp_mb();
3112
3113 if (unlikely(netif_queue_stopped(tp->dev) &&
42952231 3114 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
1b2a7205 3115 netif_tx_lock(tp->dev);
51b91468 3116 if (netif_queue_stopped(tp->dev) &&
42952231 3117 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
51b91468 3118 netif_wake_queue(tp->dev);
1b2a7205 3119 netif_tx_unlock(tp->dev);
51b91468 3120 }
1da177e4
LT		 3121}
3122
3123/* Returns size of skb allocated or < 0 on error.
3124 *
3125 * We only need to fill in the address because the other members
3126 * of the RX descriptor are invariant, see tg3_init_rings.
3127 *
3128 * Note the purposeful assymetry of cpu vs. chip accesses. For
3129 * posting buffers we only dirty the first cache line of the RX
3130 * descriptor (containing the address). Whereas for the RX status
3131 * buffers the cpu only reads the last cacheline of the RX descriptor
3132 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3133 */
3134static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3135 int src_idx, u32 dest_idx_unmasked)
3136{
3137 struct tg3_rx_buffer_desc *desc;
3138 struct ring_info *map, *src_map;
3139 struct sk_buff *skb;
3140 dma_addr_t mapping;
3141 int skb_size, dest_idx;
3142
3143 src_map = NULL;
3144 switch (opaque_key) {
3145 case RXD_OPAQUE_RING_STD:
3146 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3147 desc = &tp->rx_std[dest_idx];
3148 map = &tp->rx_std_buffers[dest_idx];
3149 if (src_idx >= 0)
3150 src_map = &tp->rx_std_buffers[src_idx];
7e72aad4 3151 skb_size = tp->rx_pkt_buf_sz;
1da177e4
LT		 3152 break;
3153
3154 case RXD_OPAQUE_RING_JUMBO:
3155 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3156 desc = &tp->rx_jumbo[dest_idx];
3157 map = &tp->rx_jumbo_buffers[dest_idx];
3158 if (src_idx >= 0)
3159 src_map = &tp->rx_jumbo_buffers[src_idx];
3160 skb_size = RX_JUMBO_PKT_BUF_SZ;
3161 break;
3162
3163 default:
3164 return -EINVAL;
3165 };
3166
3167 /* Do not overwrite any of the map or rp information
3168 * until we are sure we can commit to a new buffer.
3169 *
3170 * Callers depend upon this behavior and assume that
3171 * we leave everything unchanged if we fail.
3172 */
a20e9c62 3173 skb = netdev_alloc_skb(tp->dev, skb_size);
1da177e4
LT		 3174 if (skb == NULL)
3175 return -ENOMEM;
3176
1da177e4
LT		 3177 skb_reserve(skb, tp->rx_offset);
3178
3179 mapping = pci_map_single(tp->pdev, skb->data,
3180 skb_size - tp->rx_offset,
3181 PCI_DMA_FROMDEVICE);
3182
3183 map->skb = skb;
3184 pci_unmap_addr_set(map, mapping, mapping);
3185
3186 if (src_map != NULL)
3187 src_map->skb = NULL;
3188
3189 desc->addr_hi = ((u64)mapping >> 32);
3190 desc->addr_lo = ((u64)mapping & 0xffffffff);
3191
3192 return skb_size;
3193}
3194
3195/* We only need to move over in the address because the other
3196 * members of the RX descriptor are invariant. See notes above
3197 * tg3_alloc_rx_skb for full details.
3198 */
3199static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3200 int src_idx, u32 dest_idx_unmasked)
3201{
3202 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3203 struct ring_info *src_map, *dest_map;
3204 int dest_idx;
3205
3206 switch (opaque_key) {
3207 case RXD_OPAQUE_RING_STD:
3208 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3209 dest_desc = &tp->rx_std[dest_idx];
3210 dest_map = &tp->rx_std_buffers[dest_idx];
3211 src_desc = &tp->rx_std[src_idx];
3212 src_map = &tp->rx_std_buffers[src_idx];
3213 break;
3214
3215 case RXD_OPAQUE_RING_JUMBO:
3216 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3217 dest_desc = &tp->rx_jumbo[dest_idx];
3218 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3219 src_desc = &tp->rx_jumbo[src_idx];
3220 src_map = &tp->rx_jumbo_buffers[src_idx];
3221 break;
3222
3223 default:
3224 return;
3225 };
3226
3227 dest_map->skb = src_map->skb;
3228 pci_unmap_addr_set(dest_map, mapping,
3229 pci_unmap_addr(src_map, mapping));
3230 dest_desc->addr_hi = src_desc->addr_hi;
3231 dest_desc->addr_lo = src_desc->addr_lo;
3232
3233 src_map->skb = NULL;
3234}
3235
3236#if TG3_VLAN_TAG_USED
3237static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3238{
3239 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3240}
3241#endif
3242
3243/* The RX ring scheme is composed of multiple rings which post fresh
3244 * buffers to the chip, and one special ring the chip uses to report
3245 * status back to the host.
3246 *
3247 * The special ring reports the status of received packets to the
3248 * host. The chip does not write into the original descriptor the
3249 * RX buffer was obtained from. The chip simply takes the original
3250 * descriptor as provided by the host, updates the status and length
3251 * field, then writes this into the next status ring entry.
3252 *
3253 * Each ring the host uses to post buffers to the chip is described
3254 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3255 * it is first placed into the on-chip ram. When the packet's length
3256 * is known, it walks down the TG3_BDINFO entries to select the ring.
3257 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3258 * which is within the range of the new packet's length is chosen.
3259 *
3260 * The "separate ring for rx status" scheme may sound queer, but it makes
3261 * sense from a cache coherency perspective. If only the host writes
3262 * to the buffer post rings, and only the chip writes to the rx status
3263 * rings, then cache lines never move beyond shared-modified state.
3264 * If both the host and chip were to write into the same ring, cache line
3265 * eviction could occur since both entities want it in an exclusive state.
3266 */
3267static int tg3_rx(struct tg3 *tp, int budget)
3268{
f92905de 3269 u32 work_mask, rx_std_posted = 0;
483ba50b
MC		 3270 u32 sw_idx = tp->rx_rcb_ptr;
3271 u16 hw_idx;
1da177e4
LT		 3272 int received;
3273
3274 hw_idx = tp->hw_status->idx[0].rx_producer;
3275 /*
3276 * We need to order the read of hw_idx and the read of
3277 * the opaque cookie.
3278 */
3279 rmb();
1da177e4
LT		 3280 work_mask = 0;
3281 received = 0;
3282 while (sw_idx != hw_idx && budget > 0) {
3283 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3284 unsigned int len;
3285 struct sk_buff *skb;
3286 dma_addr_t dma_addr;
3287 u32 opaque_key, desc_idx, *post_ptr;
3288
3289 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3290 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3291 if (opaque_key == RXD_OPAQUE_RING_STD) {
3292 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3293 mapping);
3294 skb = tp->rx_std_buffers[desc_idx].skb;
3295 post_ptr = &tp->rx_std_ptr;
f92905de 3296 rx_std_posted++;
1da177e4
LT		 3297 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3298 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3299 mapping);
3300 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3301 post_ptr = &tp->rx_jumbo_ptr;
3302 }
3303 else {
3304 goto next_pkt_nopost;
3305 }
3306
3307 work_mask |= opaque_key;
3308
3309 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3310 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3311 drop_it:
3312 tg3_recycle_rx(tp, opaque_key,
3313 desc_idx, *post_ptr);
3314 drop_it_no_recycle:
3315 /* Other statistics kept track of by card. */
3316 tp->net_stats.rx_dropped++;
3317 goto next_pkt;
3318 }
3319
3320 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3321
6aa20a22 3322 if (len > RX_COPY_THRESHOLD
1da177e4
LT		 3323 && tp->rx_offset == 2
3324 /* rx_offset != 2 iff this is a 5701 card running
3325 * in PCI-X mode [see tg3_get_invariants()] */
3326 ) {
3327 int skb_size;
3328
3329 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3330 desc_idx, *post_ptr);
3331 if (skb_size < 0)
3332 goto drop_it;
3333
3334 pci_unmap_single(tp->pdev, dma_addr,
3335 skb_size - tp->rx_offset,
3336 PCI_DMA_FROMDEVICE);
3337
3338 skb_put(skb, len);
3339 } else {
3340 struct sk_buff *copy_skb;
3341
3342 tg3_recycle_rx(tp, opaque_key,
3343 desc_idx, *post_ptr);
3344
a20e9c62 3345 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
1da177e4
LT		 3346 if (copy_skb == NULL)
3347 goto drop_it_no_recycle;
3348
1da177e4
LT		 3349 skb_reserve(copy_skb, 2);
3350 skb_put(copy_skb, len);
3351 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3352 memcpy(copy_skb->data, skb->data, len);
3353 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3354
3355 /* We'll reuse the original ring buffer. */
3356 skb = copy_skb;
3357 }
3358
3359 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3360 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3361 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3362 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3363 skb->ip_summed = CHECKSUM_UNNECESSARY;
3364 else
3365 skb->ip_summed = CHECKSUM_NONE;
3366
3367 skb->protocol = eth_type_trans(skb, tp->dev);
3368#if TG3_VLAN_TAG_USED
3369 if (tp->vlgrp != NULL &&
3370 desc->type_flags & RXD_FLAG_VLAN) {
3371 tg3_vlan_rx(tp, skb,
3372 desc->err_vlan & RXD_VLAN_MASK);
3373 } else
3374#endif
3375 netif_receive_skb(skb);
3376
3377 tp->dev->last_rx = jiffies;
3378 received++;
3379 budget--;
3380
3381next_pkt:
3382 (*post_ptr)++;
f92905de
MC		 3383
3384 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3385 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3386
3387 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3388 TG3_64BIT_REG_LOW, idx);
3389 work_mask &= ~RXD_OPAQUE_RING_STD;
3390 rx_std_posted = 0;
3391 }
1da177e4 3392next_pkt_nopost:
483ba50b 3393 sw_idx++;
6b31a515 3394 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 3395
3396 /* Refresh hw_idx to see if there is new work */
3397 if (sw_idx == hw_idx) {
3398 hw_idx = tp->hw_status->idx[0].rx_producer;
3399 rmb();
3400 }
1da177e4
LT		 3401 }
3402
3403 /* ACK the status ring. */
483ba50b
MC		 3404 tp->rx_rcb_ptr = sw_idx;
3405 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
1da177e4
LT		 3406
3407 /* Refill RX ring(s). */
3408 if (work_mask & RXD_OPAQUE_RING_STD) {
3409 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3410 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3411 sw_idx);
3412 }
3413 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3414 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3415 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3416 sw_idx);
3417 }
3418 mmiowb();
3419
3420 return received;
3421}
3422
3423static int tg3_poll(struct net_device *netdev, int *budget)
3424{
3425 struct tg3 *tp = netdev_priv(netdev);
3426 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3427 int done;
3428
1da177e4
LT		 3429 /* handle link change and other phy events */
3430 if (!(tp->tg3_flags &
3431 (TG3_FLAG_USE_LINKCHG_REG |
3432 TG3_FLAG_POLL_SERDES))) {
3433 if (sblk->status & SD_STATUS_LINK_CHG) {
3434 sblk->status = SD_STATUS_UPDATED |
3435 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 3436 spin_lock(&tp->lock);
1da177e4 3437 tg3_setup_phy(tp, 0);
f47c11ee 3438 spin_unlock(&tp->lock);
1da177e4
LT		 3439 }
3440 }
3441
3442 /* run TX completion thread */
3443 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
1da177e4 3444 tg3_tx(tp);
df3e6548
MC		 3445 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3446 netif_rx_complete(netdev);
3447 schedule_work(&tp->reset_task);
3448 return 0;
3449 }
1da177e4
LT		 3450 }
3451
1da177e4
LT		 3452 /* run RX thread, within the bounds set by NAPI.
3453 * All RX "locking" is done by ensuring outside
3454 * code synchronizes with dev->poll()
3455 */
1da177e4
LT		 3456 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3457 int orig_budget = *budget;
3458 int work_done;
3459
3460 if (orig_budget > netdev->quota)
3461 orig_budget = netdev->quota;
3462
3463 work_done = tg3_rx(tp, orig_budget);
3464
3465 *budget -= work_done;
3466 netdev->quota -= work_done;
1da177e4
LT		 3467 }
3468
38f3843e 3469 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
f7383c22 3470 tp->last_tag = sblk->status_tag;
38f3843e
MC		 3471 rmb();
3472 } else
3473 sblk->status &= ~SD_STATUS_UPDATED;
f7383c22 3474
1da177e4 3475 /* if no more work, tell net stack and NIC we're done */
f7383c22 3476 done = !tg3_has_work(tp);
1da177e4 3477 if (done) {
f47c11ee 3478 netif_rx_complete(netdev);
1da177e4 3479 tg3_restart_ints(tp);
1da177e4
LT		 3480 }
3481
3482 return (done ? 0 : 1);
3483}
3484
f47c11ee
DM		 3485static void tg3_irq_quiesce(struct tg3 *tp)
3486{
3487 BUG_ON(tp->irq_sync);
3488
3489 tp->irq_sync = 1;
3490 smp_mb();
3491
3492 synchronize_irq(tp->pdev->irq);
3493}
3494
3495static inline int tg3_irq_sync(struct tg3 *tp)
3496{
3497 return tp->irq_sync;
3498}
3499
3500/* Fully shutdown all tg3 driver activity elsewhere in the system.
3501 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3502 * with as well. Most of the time, this is not necessary except when
3503 * shutting down the device.
3504 */
3505static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3506{
3507 if (irq_sync)
3508 tg3_irq_quiesce(tp);
3509 spin_lock_bh(&tp->lock);
f47c11ee
DM		 3510}
3511
3512static inline void tg3_full_unlock(struct tg3 *tp)
3513{
f47c11ee
DM		 3514 spin_unlock_bh(&tp->lock);
3515}
3516
fcfa0a32
MC		 3517/* One-shot MSI handler - Chip automatically disables interrupt
3518 * after sending MSI so driver doesn't have to do it.
3519 */
7d12e780 3520static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32
MC		 3521{
3522 struct net_device *dev = dev_id;
3523 struct tg3 *tp = netdev_priv(dev);
3524
3525 prefetch(tp->hw_status);
3526 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3527
3528 if (likely(!tg3_irq_sync(tp)))
3529 netif_rx_schedule(dev); /* schedule NAPI poll */
3530
3531 return IRQ_HANDLED;
3532}
3533
88b06bc2
MC		 3534/* MSI ISR - No need to check for interrupt sharing and no need to
3535 * flush status block and interrupt mailbox. PCI ordering rules
3536 * guarantee that MSI will arrive after the status block.
3537 */
7d12e780 3538static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2
MC		 3539{
3540 struct net_device *dev = dev_id;
3541 struct tg3 *tp = netdev_priv(dev);
88b06bc2 3542
61487480
MC		 3543 prefetch(tp->hw_status);
3544 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
88b06bc2 3545 /*
fac9b83e 3546 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 3547 * chip-internal interrupt pending events.
fac9b83e 3548 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 3549 * NIC to stop sending us irqs, engaging "in-intr-handler"
3550 * event coalescing.
3551 */
3552 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 3553 if (likely(!tg3_irq_sync(tp)))
88b06bc2 3554 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3555
88b06bc2
MC		 3556 return IRQ_RETVAL(1);
3557}
3558
7d12e780 3559static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4
LT		 3560{
3561 struct net_device *dev = dev_id;
3562 struct tg3 *tp = netdev_priv(dev);
3563 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3564 unsigned int handled = 1;
3565
1da177e4
LT		 3566 /* In INTx mode, it is possible for the interrupt to arrive at
3567 * the CPU before the status block posted prior to the interrupt.
3568 * Reading the PCI State register will confirm whether the
3569 * interrupt is ours and will flush the status block.
3570 */
3571 if ((sblk->status & SD_STATUS_UPDATED) ||
3572 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3573 /*
fac9b83e 3574 * Writing any value to intr-mbox-0 clears PCI INTA# and
1da177e4 3575 * chip-internal interrupt pending events.
fac9b83e 3576 * Writing non-zero to intr-mbox-0 additional tells the
1da177e4
LT		 3577 * NIC to stop sending us irqs, engaging "in-intr-handler"
3578 * event coalescing.
3579 */
3580 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3581 0x00000001);
f47c11ee
DM		 3582 if (tg3_irq_sync(tp))
3583 goto out;
fac9b83e 3584 sblk->status &= ~SD_STATUS_UPDATED;
61487480
MC		 3585 if (likely(tg3_has_work(tp))) {
3586 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
fac9b83e 3587 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3588 } else {
fac9b83e
DM		 3589 /* No work, shared interrupt perhaps? re-enable
3590 * interrupts, and flush that PCI write
3591 */
09ee929c 3592 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
fac9b83e 3593 0x00000000);
fac9b83e
DM		 3594 }
3595 } else { /* shared interrupt */
3596 handled = 0;
3597 }
f47c11ee 3598out:
fac9b83e
DM		 3599 return IRQ_RETVAL(handled);
3600}
3601
7d12e780 3602static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e
DM		 3603{
3604 struct net_device *dev = dev_id;
3605 struct tg3 *tp = netdev_priv(dev);
3606 struct tg3_hw_status *sblk = tp->hw_status;
fac9b83e
DM		 3607 unsigned int handled = 1;
3608
fac9b83e
DM		 3609 /* In INTx mode, it is possible for the interrupt to arrive at
3610 * the CPU before the status block posted prior to the interrupt.
3611 * Reading the PCI State register will confirm whether the
3612 * interrupt is ours and will flush the status block.
3613 */
38f3843e 3614 if ((sblk->status_tag != tp->last_tag) ||
fac9b83e 3615 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
1da177e4 3616 /*
fac9b83e
DM		 3617 * writing any value to intr-mbox-0 clears PCI INTA# and
3618 * chip-internal interrupt pending events.
3619 * writing non-zero to intr-mbox-0 additional tells the
3620 * NIC to stop sending us irqs, engaging "in-intr-handler"
3621 * event coalescing.
1da177e4 3622 */
fac9b83e
DM		 3623 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3624 0x00000001);
f47c11ee
DM		 3625 if (tg3_irq_sync(tp))
3626 goto out;
38f3843e 3627 if (netif_rx_schedule_prep(dev)) {
61487480 3628 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
38f3843e
MC		 3629 /* Update last_tag to mark that this status has been
3630 * seen. Because interrupt may be shared, we may be
3631 * racing with tg3_poll(), so only update last_tag
3632 * if tg3_poll() is not scheduled.
1da177e4 3633 */
38f3843e
MC		 3634 tp->last_tag = sblk->status_tag;
3635 __netif_rx_schedule(dev);
1da177e4
LT		 3636 }
3637 } else { /* shared interrupt */
3638 handled = 0;
3639 }
f47c11ee 3640out:
1da177e4
LT		 3641 return IRQ_RETVAL(handled);
3642}
3643
7938109f 3644/* ISR for interrupt test */
7d12e780 3645static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f
MC		 3646{
3647 struct net_device *dev = dev_id;
3648 struct tg3 *tp = netdev_priv(dev);
3649 struct tg3_hw_status *sblk = tp->hw_status;
3650
f9804ddb
MC		 3651 if ((sblk->status & SD_STATUS_UPDATED) ||
3652 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 3653 tg3_disable_ints(tp);
7938109f
MC		 3654 return IRQ_RETVAL(1);
3655 }
3656 return IRQ_RETVAL(0);
3657}
3658
8e7a22e3 3659static int tg3_init_hw(struct tg3 *, int);
944d980e 3660static int tg3_halt(struct tg3 *, int, int);
1da177e4 3661
b9ec6c1b
MC		 3662/* Restart hardware after configuration changes, self-test, etc.
3663 * Invoked with tp->lock held.
3664 */
3665static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3666{
3667 int err;
3668
3669 err = tg3_init_hw(tp, reset_phy);
3670 if (err) {
3671 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3672 "aborting.\n", tp->dev->name);
3673 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3674 tg3_full_unlock(tp);
3675 del_timer_sync(&tp->timer);
3676 tp->irq_sync = 0;
3677 netif_poll_enable(tp->dev);
3678 dev_close(tp->dev);
3679 tg3_full_lock(tp, 0);
3680 }
3681 return err;
3682}
3683
1da177e4
LT		 3684#ifdef CONFIG_NET_POLL_CONTROLLER
3685static void tg3_poll_controller(struct net_device *dev)
3686{
88b06bc2
MC		 3687 struct tg3 *tp = netdev_priv(dev);
3688
7d12e780 3689 tg3_interrupt(tp->pdev->irq, dev);
1da177e4
LT		 3690}
3691#endif
3692
c4028958 3693static void tg3_reset_task(struct work_struct *work)
1da177e4 3694{
c4028958 3695 struct tg3 *tp = container_of(work, struct tg3, reset_task);
1da177e4
LT		 3696 unsigned int restart_timer;
3697
7faa006f
MC		 3698 tg3_full_lock(tp, 0);
3699 tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3700
3701 if (!netif_running(tp->dev)) {
3702 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3703 tg3_full_unlock(tp);
3704 return;
3705 }
3706
3707 tg3_full_unlock(tp);
3708
1da177e4
LT		 3709 tg3_netif_stop(tp);
3710
f47c11ee 3711 tg3_full_lock(tp, 1);
1da177e4
LT		 3712
3713 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3714 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3715
df3e6548
MC		 3716 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3717 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3718 tp->write32_rx_mbox = tg3_write_flush_reg32;
3719 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3720 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3721 }
3722
944d980e 3723 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b9ec6c1b
MC		 3724 if (tg3_init_hw(tp, 1))
3725 goto out;
1da177e4
LT		 3726
3727 tg3_netif_start(tp);
3728
1da177e4
LT		 3729 if (restart_timer)
3730 mod_timer(&tp->timer, jiffies + 1);
7faa006f 3731
b9ec6c1b 3732out:
7faa006f
MC		 3733 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3734
3735 tg3_full_unlock(tp);
1da177e4
LT		 3736}
3737
3738static void tg3_tx_timeout(struct net_device *dev)
3739{
3740 struct tg3 *tp = netdev_priv(dev);
3741
9f88f29f
MC		 3742 if (netif_msg_tx_err(tp))
3743 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3744 dev->name);
1da177e4
LT		 3745
3746 schedule_work(&tp->reset_task);
3747}
3748
c58ec932
MC		 3749/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3750static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3751{
3752 u32 base = (u32) mapping & 0xffffffff;
3753
3754 return ((base > 0xffffdcc0) &&
3755 (base + len + 8 < base));
3756}
3757
72f2afb8
MC		 3758/* Test for DMA addresses > 40-bit */
3759static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3760 int len)
3761{
3762#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 3763 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
72f2afb8
MC		 3764 return (((u64) mapping + len) > DMA_40BIT_MASK);
3765 return 0;
3766#else
3767 return 0;
3768#endif
3769}
3770
1da177e4
LT		 3771static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3772
72f2afb8
MC		 3773/* Workaround 4GB and 40-bit hardware DMA bugs. */
3774static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
c58ec932
MC		 3775 u32 last_plus_one, u32 *start,
3776 u32 base_flags, u32 mss)
1da177e4
LT		 3777{
3778 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
c58ec932 3779 dma_addr_t new_addr = 0;
1da177e4 3780 u32 entry = *start;
c58ec932 3781 int i, ret = 0;
1da177e4
LT		 3782
3783 if (!new_skb) {
c58ec932
MC		 3784 ret = -1;
3785 } else {
3786 /* New SKB is guaranteed to be linear. */
3787 entry = *start;
3788 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3789 PCI_DMA_TODEVICE);
3790 /* Make sure new skb does not cross any 4G boundaries.
3791 * Drop the packet if it does.
3792 */
3793 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3794 ret = -1;
3795 dev_kfree_skb(new_skb);
3796 new_skb = NULL;
3797 } else {
3798 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3799 base_flags, 1 | (mss << 1));
3800 *start = NEXT_TX(entry);
3801 }
1da177e4
LT		 3802 }
3803
1da177e4
LT		 3804 /* Now clean up the sw ring entries. */
3805 i = 0;
3806 while (entry != last_plus_one) {
3807 int len;
3808
3809 if (i == 0)
3810 len = skb_headlen(skb);
3811 else
3812 len = skb_shinfo(skb)->frags[i-1].size;
3813 pci_unmap_single(tp->pdev,
3814 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3815 len, PCI_DMA_TODEVICE);
3816 if (i == 0) {
3817 tp->tx_buffers[entry].skb = new_skb;
3818 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3819 } else {
3820 tp->tx_buffers[entry].skb = NULL;
3821 }
3822 entry = NEXT_TX(entry);
3823 i++;
3824 }
3825
3826 dev_kfree_skb(skb);
3827
c58ec932 3828 return ret;
1da177e4
LT		 3829}
3830
3831static void tg3_set_txd(struct tg3 *tp, int entry,
3832 dma_addr_t mapping, int len, u32 flags,
3833 u32 mss_and_is_end)
3834{
3835 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3836 int is_end = (mss_and_is_end & 0x1);
3837 u32 mss = (mss_and_is_end >> 1);
3838 u32 vlan_tag = 0;
3839
3840 if (is_end)
3841 flags |= TXD_FLAG_END;
3842 if (flags & TXD_FLAG_VLAN) {
3843 vlan_tag = flags >> 16;
3844 flags &= 0xffff;
3845 }
3846 vlan_tag |= (mss << TXD_MSS_SHIFT);
3847
3848 txd->addr_hi = ((u64) mapping >> 32);
3849 txd->addr_lo = ((u64) mapping & 0xffffffff);
3850 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3851 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3852}
3853
5a6f3074
MC		 3854/* hard_start_xmit for devices that don't have any bugs and
3855 * support TG3_FLG2_HW_TSO_2 only.
3856 */
1da177e4 3857static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5a6f3074
MC		 3858{
3859 struct tg3 *tp = netdev_priv(dev);
3860 dma_addr_t mapping;
3861 u32 len, entry, base_flags, mss;
3862
3863 len = skb_headlen(skb);
3864
00b70504
MC		 3865 /* We are running in BH disabled context with netif_tx_lock
3866 * and TX reclaim runs via tp->poll inside of a software
5a6f3074
MC		 3867 * interrupt. Furthermore, IRQ processing runs lockless so we have
3868 * no IRQ context deadlocks to worry about either. Rejoice!
3869 */
1b2a7205 3870 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5a6f3074
MC		 3871 if (!netif_queue_stopped(dev)) {
3872 netif_stop_queue(dev);
3873
3874 /* This is a hard error, log it. */
3875 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3876 "queue awake!\n", dev->name);
3877 }
5a6f3074
MC		 3878 return NETDEV_TX_BUSY;
3879 }
3880
3881 entry = tp->tx_prod;
3882 base_flags = 0;
5a6f3074
MC		 3883 mss = 0;
3884 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 3885 (mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074
MC		 3886 int tcp_opt_len, ip_tcp_len;
3887
3888 if (skb_header_cloned(skb) &&
3889 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3890 dev_kfree_skb(skb);
3891 goto out_unlock;
3892 }
3893
b0026624
MC		 3894 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3895 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3896 else {
3897 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3898 ip_tcp_len = (skb->nh.iph->ihl * 4) +
3899 sizeof(struct tcphdr);
3900
3901 skb->nh.iph->check = 0;
3902 skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3903 tcp_opt_len);
3904 mss |= (ip_tcp_len + tcp_opt_len) << 9;
3905 }
5a6f3074
MC		 3906
3907 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3908 TXD_FLAG_CPU_POST_DMA);
3909
5a6f3074
MC		 3910 skb->h.th->check = 0;
3911
5a6f3074 3912 }
84fa7933 3913 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 3914 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 3915#if TG3_VLAN_TAG_USED
3916 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3917 base_flags |= (TXD_FLAG_VLAN |
3918 (vlan_tx_tag_get(skb) << 16));
3919#endif
3920
3921 /* Queue skb data, a.k.a. the main skb fragment. */
3922 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3923
3924 tp->tx_buffers[entry].skb = skb;
3925 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3926
3927 tg3_set_txd(tp, entry, mapping, len, base_flags,
3928 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3929
3930 entry = NEXT_TX(entry);
3931
3932 /* Now loop through additional data fragments, and queue them. */
3933 if (skb_shinfo(skb)->nr_frags > 0) {
3934 unsigned int i, last;
3935
3936 last = skb_shinfo(skb)->nr_frags - 1;
3937 for (i = 0; i <= last; i++) {
3938 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3939
3940 len = frag->size;
3941 mapping = pci_map_page(tp->pdev,
3942 frag->page,
3943 frag->page_offset,
3944 len, PCI_DMA_TODEVICE);
3945
3946 tp->tx_buffers[entry].skb = NULL;
3947 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3948
3949 tg3_set_txd(tp, entry, mapping, len,
3950 base_flags, (i == last) | (mss << 1));
3951
3952 entry = NEXT_TX(entry);
3953 }
3954 }
3955
3956 /* Packets are ready, update Tx producer idx local and on card. */
3957 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3958
3959 tp->tx_prod = entry;
1b2a7205 3960 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5a6f3074 3961 netif_stop_queue(dev);
42952231 3962 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5a6f3074
MC		 3963 netif_wake_queue(tp->dev);
3964 }
3965
3966out_unlock:
3967 mmiowb();
5a6f3074
MC		 3968
3969 dev->trans_start = jiffies;
3970
3971 return NETDEV_TX_OK;
3972}
3973
52c0fd83
MC		 3974static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3975
3976/* Use GSO to workaround a rare TSO bug that may be triggered when the
3977 * TSO header is greater than 80 bytes.
3978 */
3979static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3980{
3981 struct sk_buff *segs, *nskb;
3982
3983 /* Estimate the number of fragments in the worst case */
1b2a7205 3984 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
52c0fd83
MC		 3985 netif_stop_queue(tp->dev);
3986 return NETDEV_TX_BUSY;
3987 }
3988
3989 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
3990 if (unlikely(IS_ERR(segs)))
3991 goto tg3_tso_bug_end;
3992
3993 do {
3994 nskb = segs;
3995 segs = segs->next;
3996 nskb->next = NULL;
3997 tg3_start_xmit_dma_bug(nskb, tp->dev);
3998 } while (segs);
3999
4000tg3_tso_bug_end:
4001 dev_kfree_skb(skb);
4002
4003 return NETDEV_TX_OK;
4004}
52c0fd83 4005
5a6f3074
MC		 4006/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4007 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4008 */
4009static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
1da177e4
LT		 4010{
4011 struct tg3 *tp = netdev_priv(dev);
4012 dma_addr_t mapping;
1da177e4
LT		 4013 u32 len, entry, base_flags, mss;
4014 int would_hit_hwbug;
1da177e4
LT		 4015
4016 len = skb_headlen(skb);
4017
00b70504
MC		 4018 /* We are running in BH disabled context with netif_tx_lock
4019 * and TX reclaim runs via tp->poll inside of a software
f47c11ee
DM		 4020 * interrupt. Furthermore, IRQ processing runs lockless so we have
4021 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 4022 */
1b2a7205 4023 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
1f064a87
SH		 4024 if (!netif_queue_stopped(dev)) {
4025 netif_stop_queue(dev);
4026
4027 /* This is a hard error, log it. */
4028 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4029 "queue awake!\n", dev->name);
4030 }
1da177e4
LT		 4031 return NETDEV_TX_BUSY;
4032 }
4033
4034 entry = tp->tx_prod;
4035 base_flags = 0;
84fa7933 4036 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 4037 base_flags |= TXD_FLAG_TCPUDP_CSUM;
1da177e4
LT		 4038 mss = 0;
4039 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 4040 (mss = skb_shinfo(skb)->gso_size) != 0) {
52c0fd83 4041 int tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 4042
4043 if (skb_header_cloned(skb) &&
4044 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4045 dev_kfree_skb(skb);
4046 goto out_unlock;
4047 }
4048
4049 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4050 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4051
52c0fd83
MC		 4052 hdr_len = ip_tcp_len + tcp_opt_len;
4053 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4054 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
4055 return (tg3_tso_bug(tp, skb));
4056
1da177e4
LT		 4057 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4058 TXD_FLAG_CPU_POST_DMA);
4059
4060 skb->nh.iph->check = 0;
52c0fd83 4061 skb->nh.iph->tot_len = htons(mss + hdr_len);
1da177e4
LT		 4062 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4063 skb->h.th->check = 0;
4064 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4065 }
4066 else {
4067 skb->h.th->check =
4068 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4069 skb->nh.iph->daddr,
4070 0, IPPROTO_TCP, 0);
4071 }
4072
4073 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4074 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4075 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4076 int tsflags;
4077
4078 tsflags = ((skb->nh.iph->ihl - 5) +
4079 (tcp_opt_len >> 2));
4080 mss |= (tsflags << 11);
4081 }
4082 } else {
4083 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4084 int tsflags;
4085
4086 tsflags = ((skb->nh.iph->ihl - 5) +
4087 (tcp_opt_len >> 2));
4088 base_flags |= tsflags << 12;
4089 }
4090 }
4091 }
1da177e4
LT		 4092#if TG3_VLAN_TAG_USED
4093 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4094 base_flags |= (TXD_FLAG_VLAN |
4095 (vlan_tx_tag_get(skb) << 16));
4096#endif
4097
4098 /* Queue skb data, a.k.a. the main skb fragment. */
4099 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4100
4101 tp->tx_buffers[entry].skb = skb;
4102 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4103
4104 would_hit_hwbug = 0;
4105
4106 if (tg3_4g_overflow_test(mapping, len))
c58ec932 4107 would_hit_hwbug = 1;
1da177e4
LT		 4108
4109 tg3_set_txd(tp, entry, mapping, len, base_flags,
4110 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4111
4112 entry = NEXT_TX(entry);
4113
4114 /* Now loop through additional data fragments, and queue them. */
4115 if (skb_shinfo(skb)->nr_frags > 0) {
4116 unsigned int i, last;
4117
4118 last = skb_shinfo(skb)->nr_frags - 1;
4119 for (i = 0; i <= last; i++) {
4120 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4121
4122 len = frag->size;
4123 mapping = pci_map_page(tp->pdev,
4124 frag->page,
4125 frag->page_offset,
4126 len, PCI_DMA_TODEVICE);
4127
4128 tp->tx_buffers[entry].skb = NULL;
4129 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4130
c58ec932
MC		 4131 if (tg3_4g_overflow_test(mapping, len))
4132 would_hit_hwbug = 1;
1da177e4 4133
72f2afb8
MC		 4134 if (tg3_40bit_overflow_test(tp, mapping, len))
4135 would_hit_hwbug = 1;
4136
1da177e4
LT		 4137 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4138 tg3_set_txd(tp, entry, mapping, len,
4139 base_flags, (i == last)|(mss << 1));
4140 else
4141 tg3_set_txd(tp, entry, mapping, len,
4142 base_flags, (i == last));
4143
4144 entry = NEXT_TX(entry);
4145 }
4146 }
4147
4148 if (would_hit_hwbug) {
4149 u32 last_plus_one = entry;
4150 u32 start;
1da177e4 4151
c58ec932
MC		 4152 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4153 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 4154
4155 /* If the workaround fails due to memory/mapping
4156 * failure, silently drop this packet.
4157 */
72f2afb8 4158 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
c58ec932 4159 &start, base_flags, mss))
1da177e4
LT		 4160 goto out_unlock;
4161
4162 entry = start;
4163 }
4164
4165 /* Packets are ready, update Tx producer idx local and on card. */
4166 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4167
4168 tp->tx_prod = entry;
1b2a7205 4169 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
1da177e4 4170 netif_stop_queue(dev);
42952231 4171 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
51b91468
MC		 4172 netif_wake_queue(tp->dev);
4173 }
1da177e4
LT		 4174
4175out_unlock:
4176 mmiowb();
1da177e4
LT		 4177
4178 dev->trans_start = jiffies;
4179
4180 return NETDEV_TX_OK;
4181}
4182
4183static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4184 int new_mtu)
4185{
4186 dev->mtu = new_mtu;
4187
ef7f5ec0 4188 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 4189 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 4190 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4191 ethtool_op_set_tso(dev, 0);
4192 }
4193 else
4194 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4195 } else {
a4e2b347 4196 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 4197 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 4198 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 4199 }
1da177e4
LT		 4200}
4201
4202static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4203{
4204 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 4205 int err;
1da177e4
LT		 4206
4207 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4208 return -EINVAL;
4209
4210 if (!netif_running(dev)) {
4211 /* We'll just catch it later when the
4212 * device is up'd.
4213 */
4214 tg3_set_mtu(dev, tp, new_mtu);
4215 return 0;
4216 }
4217
4218 tg3_netif_stop(tp);
f47c11ee
DM		 4219
4220 tg3_full_lock(tp, 1);
1da177e4 4221
944d980e 4222 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 4223
4224 tg3_set_mtu(dev, tp, new_mtu);
4225
b9ec6c1b 4226 err = tg3_restart_hw(tp, 0);
1da177e4 4227
b9ec6c1b
MC		 4228 if (!err)
4229 tg3_netif_start(tp);
1da177e4 4230
f47c11ee 4231 tg3_full_unlock(tp);
1da177e4 4232
b9ec6c1b 4233 return err;
1da177e4
LT		 4234}
4235
4236/* Free up pending packets in all rx/tx rings.
4237 *
4238 * The chip has been shut down and the driver detached from
4239 * the networking, so no interrupts or new tx packets will
4240 * end up in the driver. tp->{tx,}lock is not held and we are not
4241 * in an interrupt context and thus may sleep.
4242 */
4243static void tg3_free_rings(struct tg3 *tp)
4244{
4245 struct ring_info *rxp;
4246 int i;
4247
4248 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4249 rxp = &tp->rx_std_buffers[i];
4250
4251 if (rxp->skb == NULL)
4252 continue;
4253 pci_unmap_single(tp->pdev,
4254 pci_unmap_addr(rxp, mapping),
7e72aad4 4255 tp->rx_pkt_buf_sz - tp->rx_offset,
1da177e4
LT		 4256 PCI_DMA_FROMDEVICE);
4257 dev_kfree_skb_any(rxp->skb);
4258 rxp->skb = NULL;
4259 }
4260
4261 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4262 rxp = &tp->rx_jumbo_buffers[i];
4263
4264 if (rxp->skb == NULL)
4265 continue;
4266 pci_unmap_single(tp->pdev,
4267 pci_unmap_addr(rxp, mapping),
4268 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4269 PCI_DMA_FROMDEVICE);
4270 dev_kfree_skb_any(rxp->skb);
4271 rxp->skb = NULL;
4272 }
4273
4274 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4275 struct tx_ring_info *txp;
4276 struct sk_buff *skb;
4277 int j;
4278
4279 txp = &tp->tx_buffers[i];
4280 skb = txp->skb;
4281
4282 if (skb == NULL) {
4283 i++;
4284 continue;
4285 }
4286
4287 pci_unmap_single(tp->pdev,
4288 pci_unmap_addr(txp, mapping),
4289 skb_headlen(skb),
4290 PCI_DMA_TODEVICE);
4291 txp->skb = NULL;
4292
4293 i++;
4294
4295 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4296 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4297 pci_unmap_page(tp->pdev,
4298 pci_unmap_addr(txp, mapping),
4299 skb_shinfo(skb)->frags[j].size,
4300 PCI_DMA_TODEVICE);
4301 i++;
4302 }
4303
4304 dev_kfree_skb_any(skb);
4305 }
4306}
4307
4308/* Initialize tx/rx rings for packet processing.
4309 *
4310 * The chip has been shut down and the driver detached from
4311 * the networking, so no interrupts or new tx packets will
4312 * end up in the driver. tp->{tx,}lock are held and thus
4313 * we may not sleep.
4314 */
32d8c572 4315static int tg3_init_rings(struct tg3 *tp)
1da177e4
LT		 4316{
4317 u32 i;
4318
4319 /* Free up all the SKBs. */
4320 tg3_free_rings(tp);
4321
4322 /* Zero out all descriptors. */
4323 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4324 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4325 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4326 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4327
7e72aad4 4328 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
a4e2b347 4329 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
7e72aad4
MC		 4330 (tp->dev->mtu > ETH_DATA_LEN))
4331 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4332
1da177e4
LT		 4333 /* Initialize invariants of the rings, we only set this
4334 * stuff once. This works because the card does not
4335 * write into the rx buffer posting rings.
4336 */
4337 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4338 struct tg3_rx_buffer_desc *rxd;
4339
4340 rxd = &tp->rx_std[i];
7e72aad4 4341 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
1da177e4
LT		 4342 << RXD_LEN_SHIFT;
4343 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4344 rxd->opaque = (RXD_OPAQUE_RING_STD |
4345 (i << RXD_OPAQUE_INDEX_SHIFT));
4346 }
4347
0f893dc6 4348 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4349 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4350 struct tg3_rx_buffer_desc *rxd;
4351
4352 rxd = &tp->rx_jumbo[i];
4353 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4354 << RXD_LEN_SHIFT;
4355 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4356 RXD_FLAG_JUMBO;
4357 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4358 (i << RXD_OPAQUE_INDEX_SHIFT));
4359 }
4360 }
4361
4362 /* Now allocate fresh SKBs for each rx ring. */
4363 for (i = 0; i < tp->rx_pending; i++) {
32d8c572
MC		 4364 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4365 printk(KERN_WARNING PFX
4366 "%s: Using a smaller RX standard ring, "
4367 "only %d out of %d buffers were allocated "
4368 "successfully.\n",
4369 tp->dev->name, i, tp->rx_pending);
4370 if (i == 0)
4371 return -ENOMEM;
4372 tp->rx_pending = i;
1da177e4 4373 break;
32d8c572 4374 }
1da177e4
LT		 4375 }
4376
0f893dc6 4377 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4378 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4379 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
32d8c572
MC		 4380 -1, i) < 0) {
4381 printk(KERN_WARNING PFX
4382 "%s: Using a smaller RX jumbo ring, "
4383 "only %d out of %d buffers were "
4384 "allocated successfully.\n",
4385 tp->dev->name, i, tp->rx_jumbo_pending);
4386 if (i == 0) {
4387 tg3_free_rings(tp);
4388 return -ENOMEM;
4389 }
4390 tp->rx_jumbo_pending = i;
1da177e4 4391 break;
32d8c572 4392 }
1da177e4
LT		 4393 }
4394 }
32d8c572 4395 return 0;
1da177e4
LT		 4396}
4397
4398/*
4399 * Must not be invoked with interrupt sources disabled and
4400 * the hardware shutdown down.
4401 */
4402static void tg3_free_consistent(struct tg3 *tp)
4403{
b4558ea9
JJ		 4404 kfree(tp->rx_std_buffers);
4405 tp->rx_std_buffers = NULL;
1da177e4
LT		 4406 if (tp->rx_std) {
4407 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4408 tp->rx_std, tp->rx_std_mapping);
4409 tp->rx_std = NULL;
4410 }
4411 if (tp->rx_jumbo) {
4412 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4413 tp->rx_jumbo, tp->rx_jumbo_mapping);
4414 tp->rx_jumbo = NULL;
4415 }
4416 if (tp->rx_rcb) {
4417 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4418 tp->rx_rcb, tp->rx_rcb_mapping);
4419 tp->rx_rcb = NULL;
4420 }
4421 if (tp->tx_ring) {
4422 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4423 tp->tx_ring, tp->tx_desc_mapping);
4424 tp->tx_ring = NULL;
4425 }
4426 if (tp->hw_status) {
4427 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4428 tp->hw_status, tp->status_mapping);
4429 tp->hw_status = NULL;
4430 }
4431 if (tp->hw_stats) {
4432 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4433 tp->hw_stats, tp->stats_mapping);
4434 tp->hw_stats = NULL;
4435 }
4436}
4437
4438/*
4439 * Must not be invoked with interrupt sources disabled and
4440 * the hardware shutdown down. Can sleep.
4441 */
4442static int tg3_alloc_consistent(struct tg3 *tp)
4443{
bd2b3343 4444 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
1da177e4
LT		 4445 (TG3_RX_RING_SIZE +
4446 TG3_RX_JUMBO_RING_SIZE)) +
4447 (sizeof(struct tx_ring_info) *
4448 TG3_TX_RING_SIZE),
4449 GFP_KERNEL);
4450 if (!tp->rx_std_buffers)
4451 return -ENOMEM;
4452
1da177e4
LT		 4453 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4454 tp->tx_buffers = (struct tx_ring_info *)
4455 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4456
4457 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4458 &tp->rx_std_mapping);
4459 if (!tp->rx_std)
4460 goto err_out;
4461
4462 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4463 &tp->rx_jumbo_mapping);
4464
4465 if (!tp->rx_jumbo)
4466 goto err_out;
4467
4468 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4469 &tp->rx_rcb_mapping);
4470 if (!tp->rx_rcb)
4471 goto err_out;
4472
4473 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4474 &tp->tx_desc_mapping);
4475 if (!tp->tx_ring)
4476 goto err_out;
4477
4478 tp->hw_status = pci_alloc_consistent(tp->pdev,
4479 TG3_HW_STATUS_SIZE,
4480 &tp->status_mapping);
4481 if (!tp->hw_status)
4482 goto err_out;
4483
4484 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4485 sizeof(struct tg3_hw_stats),
4486 &tp->stats_mapping);
4487 if (!tp->hw_stats)
4488 goto err_out;
4489
4490 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4491 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4492
4493 return 0;
4494
4495err_out:
4496 tg3_free_consistent(tp);
4497 return -ENOMEM;
4498}
4499
4500#define MAX_WAIT_CNT 1000
4501
4502/* To stop a block, clear the enable bit and poll till it
4503 * clears. tp->lock is held.
4504 */
b3b7d6be 4505static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 4506{
4507 unsigned int i;
4508 u32 val;
4509
4510 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4511 switch (ofs) {
4512 case RCVLSC_MODE:
4513 case DMAC_MODE:
4514 case MBFREE_MODE:
4515 case BUFMGR_MODE:
4516 case MEMARB_MODE:
4517 /* We can't enable/disable these bits of the
4518 * 5705/5750, just say success.
4519 */
4520 return 0;
4521
4522 default:
4523 break;
4524 };
4525 }
4526
4527 val = tr32(ofs);
4528 val &= ~enable_bit;
4529 tw32_f(ofs, val);
4530
4531 for (i = 0; i < MAX_WAIT_CNT; i++) {
4532 udelay(100);
4533 val = tr32(ofs);
4534 if ((val & enable_bit) == 0)
4535 break;
4536 }
4537
b3b7d6be 4538 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 4539 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4540 "ofs=%lx enable_bit=%x\n",
4541 ofs, enable_bit);
4542 return -ENODEV;
4543 }
4544
4545 return 0;
4546}
4547
4548/* tp->lock is held. */
b3b7d6be 4549static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 4550{
4551 int i, err;
4552
4553 tg3_disable_ints(tp);
4554
4555 tp->rx_mode &= ~RX_MODE_ENABLE;
4556 tw32_f(MAC_RX_MODE, tp->rx_mode);
4557 udelay(10);
4558
b3b7d6be
DM		 4559 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4560 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4561 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4562 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4563 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4564 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4565
4566 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4567 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4568 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4569 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4570 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4571 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4572 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 4573
4574 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4575 tw32_f(MAC_MODE, tp->mac_mode);
4576 udelay(40);
4577
4578 tp->tx_mode &= ~TX_MODE_ENABLE;
4579 tw32_f(MAC_TX_MODE, tp->tx_mode);
4580
4581 for (i = 0; i < MAX_WAIT_CNT; i++) {
4582 udelay(100);
4583 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4584 break;
4585 }
4586 if (i >= MAX_WAIT_CNT) {
4587 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4588 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4589 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 4590 err |= -ENODEV;
1da177e4
LT		 4591 }
4592
e6de8ad1 4593 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 4594 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4595 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 4596
4597 tw32(FTQ_RESET, 0xffffffff);
4598 tw32(FTQ_RESET, 0x00000000);
4599
b3b7d6be
DM		 4600 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4601 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4
LT		 4602
4603 if (tp->hw_status)
4604 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4605 if (tp->hw_stats)
4606 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4607
1da177e4
LT		 4608 return err;
4609}
4610
4611/* tp->lock is held. */
4612static int tg3_nvram_lock(struct tg3 *tp)
4613{
4614 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4615 int i;
4616
ec41c7df
MC		 4617 if (tp->nvram_lock_cnt == 0) {
4618 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4619 for (i = 0; i < 8000; i++) {
4620 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4621 break;
4622 udelay(20);
4623 }
4624 if (i == 8000) {
4625 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4626 return -ENODEV;
4627 }
1da177e4 4628 }
ec41c7df 4629 tp->nvram_lock_cnt++;
1da177e4
LT		 4630 }
4631 return 0;
4632}
4633
4634/* tp->lock is held. */
4635static void tg3_nvram_unlock(struct tg3 *tp)
4636{
ec41c7df
MC		 4637 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4638 if (tp->nvram_lock_cnt > 0)
4639 tp->nvram_lock_cnt--;
4640 if (tp->nvram_lock_cnt == 0)
4641 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4642 }
1da177e4
LT		 4643}
4644
e6af301b
MC		 4645/* tp->lock is held. */
4646static void tg3_enable_nvram_access(struct tg3 *tp)
4647{
4648 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4649 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4650 u32 nvaccess = tr32(NVRAM_ACCESS);
4651
4652 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4653 }
4654}
4655
4656/* tp->lock is held. */
4657static void tg3_disable_nvram_access(struct tg3 *tp)
4658{
4659 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4660 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4661 u32 nvaccess = tr32(NVRAM_ACCESS);
4662
4663 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4664 }
4665}
4666
1da177e4
LT		 4667/* tp->lock is held. */
4668static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4669{
f49639e6
DM		 4670 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4671 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 4672
4673 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4674 switch (kind) {
4675 case RESET_KIND_INIT:
4676 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4677 DRV_STATE_START);
4678 break;
4679
4680 case RESET_KIND_SHUTDOWN:
4681 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4682 DRV_STATE_UNLOAD);
4683 break;
4684
4685 case RESET_KIND_SUSPEND:
4686 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4687 DRV_STATE_SUSPEND);
4688 break;
4689
4690 default:
4691 break;
4692 };
4693 }
4694}
4695
4696/* tp->lock is held. */
4697static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4698{
4699 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4700 switch (kind) {
4701 case RESET_KIND_INIT:
4702 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4703 DRV_STATE_START_DONE);
4704 break;
4705
4706 case RESET_KIND_SHUTDOWN:
4707 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4708 DRV_STATE_UNLOAD_DONE);
4709 break;
4710
4711 default:
4712 break;
4713 };
4714 }
4715}
4716
4717/* tp->lock is held. */
4718static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4719{
4720 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4721 switch (kind) {
4722 case RESET_KIND_INIT:
4723 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4724 DRV_STATE_START);
4725 break;
4726
4727 case RESET_KIND_SHUTDOWN:
4728 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4729 DRV_STATE_UNLOAD);
4730 break;
4731
4732 case RESET_KIND_SUSPEND:
4733 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4734 DRV_STATE_SUSPEND);
4735 break;
4736
4737 default:
4738 break;
4739 };
4740 }
4741}
4742
7a6f4369
MC		 4743static int tg3_poll_fw(struct tg3 *tp)
4744{
4745 int i;
4746 u32 val;
4747
b5d3772c 4748 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 4749 /* Wait up to 20ms for init done. */
4750 for (i = 0; i < 200; i++) {
b5d3772c
MC		 4751 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4752 return 0;
0ccead18 4753 udelay(100);
b5d3772c
MC		 4754 }
4755 return -ENODEV;
4756 }
4757
7a6f4369
MC		 4758 /* Wait for firmware initialization to complete. */
4759 for (i = 0; i < 100000; i++) {
4760 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4761 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4762 break;
4763 udelay(10);
4764 }
4765
4766 /* Chip might not be fitted with firmware. Some Sun onboard
4767 * parts are configured like that. So don't signal the timeout
4768 * of the above loop as an error, but do report the lack of
4769 * running firmware once.
4770 */
4771 if (i >= 100000 &&
4772 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4773 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4774
4775 printk(KERN_INFO PFX "%s: No firmware running.\n",
4776 tp->dev->name);
4777 }
4778
4779 return 0;
4780}
4781
1da177e4
LT		 4782static void tg3_stop_fw(struct tg3 *);
4783
4784/* tp->lock is held. */
4785static int tg3_chip_reset(struct tg3 *tp)
4786{
4787 u32 val;
1ee582d8 4788 void (*write_op)(struct tg3 *, u32, u32);
7a6f4369 4789 int err;
1da177e4 4790
f49639e6
DM		 4791 tg3_nvram_lock(tp);
4792
4793 /* No matching tg3_nvram_unlock() after this because
4794 * chip reset below will undo the nvram lock.
4795 */
4796 tp->nvram_lock_cnt = 0;
1da177e4 4797
d9ab5ad1 4798 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 4799 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1
MC		 4800 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4801 tw32(GRC_FASTBOOT_PC, 0);
4802
1da177e4
LT		 4803 /*
4804 * We must avoid the readl() that normally takes place.
4805 * It locks machines, causes machine checks, and other
4806 * fun things. So, temporarily disable the 5701
4807 * hardware workaround, while we do the reset.
4808 */
1ee582d8
MC		 4809 write_op = tp->write32;
4810 if (write_op == tg3_write_flush_reg32)
4811 tp->write32 = tg3_write32;
1da177e4
LT		 4812
4813 /* do the reset */
4814 val = GRC_MISC_CFG_CORECLK_RESET;
4815
4816 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4817 if (tr32(0x7e2c) == 0x60) {
4818 tw32(0x7e2c, 0x20);
4819 }
4820 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4821 tw32(GRC_MISC_CFG, (1 << 29));
4822 val |= (1 << 29);
4823 }
4824 }
4825
b5d3772c
MC		 4826 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4827 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4828 tw32(GRC_VCPU_EXT_CTRL,
4829 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4830 }
4831
1da177e4
LT		 4832 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4833 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4834 tw32(GRC_MISC_CFG, val);
4835
1ee582d8
MC		 4836 /* restore 5701 hardware bug workaround write method */
4837 tp->write32 = write_op;
1da177e4
LT		 4838
4839 /* Unfortunately, we have to delay before the PCI read back.
4840 * Some 575X chips even will not respond to a PCI cfg access
4841 * when the reset command is given to the chip.
4842 *
4843 * How do these hardware designers expect things to work
4844 * properly if the PCI write is posted for a long period
4845 * of time? It is always necessary to have some method by
4846 * which a register read back can occur to push the write
4847 * out which does the reset.
4848 *
4849 * For most tg3 variants the trick below was working.
4850 * Ho hum...
4851 */
4852 udelay(120);
4853
4854 /* Flush PCI posted writes. The normal MMIO registers
4855 * are inaccessible at this time so this is the only
4856 * way to make this reliably (actually, this is no longer
4857 * the case, see above). I tried to use indirect
4858 * register read/write but this upset some 5701 variants.
4859 */
4860 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4861
4862 udelay(120);
4863
4864 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4865 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4866 int i;
4867 u32 cfg_val;
4868
4869 /* Wait for link training to complete. */
4870 for (i = 0; i < 5000; i++)
4871 udelay(100);
4872
4873 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4874 pci_write_config_dword(tp->pdev, 0xc4,
4875 cfg_val | (1 << 15));
4876 }
4877 /* Set PCIE max payload size and clear error status. */
4878 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4879 }
4880
4881 /* Re-enable indirect register accesses. */
4882 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4883 tp->misc_host_ctrl);
4884
4885 /* Set MAX PCI retry to zero. */
4886 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4887 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4888 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4889 val |= PCISTATE_RETRY_SAME_DMA;
4890 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4891
4892 pci_restore_state(tp->pdev);
4893
4894 /* Make sure PCI-X relaxed ordering bit is clear. */
4895 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4896 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4897 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4898
a4e2b347 4899 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4cf78e4f
MC		 4900 u32 val;
4901
4902 /* Chip reset on 5780 will reset MSI enable bit,
4903 * so need to restore it.
4904 */
4905 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4906 u16 ctrl;
4907
4908 pci_read_config_word(tp->pdev,
4909 tp->msi_cap + PCI_MSI_FLAGS,
4910 &ctrl);
4911 pci_write_config_word(tp->pdev,
4912 tp->msi_cap + PCI_MSI_FLAGS,
4913 ctrl | PCI_MSI_FLAGS_ENABLE);
4914 val = tr32(MSGINT_MODE);
4915 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4916 }
4917
4918 val = tr32(MEMARB_MODE);
4919 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4920
4921 } else
4922 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
1da177e4
LT		 4923
4924 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4925 tg3_stop_fw(tp);
4926 tw32(0x5000, 0x400);
4927 }
4928
4929 tw32(GRC_MODE, tp->grc_mode);
4930
4931 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4932 u32 val = tr32(0xc4);
4933
4934 tw32(0xc4, val | (1 << 15));
4935 }
4936
4937 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4938 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4939 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4940 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4941 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4942 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4943 }
4944
4945 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4946 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4947 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 4948 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4949 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4950 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 4951 } else
4952 tw32_f(MAC_MODE, 0);
4953 udelay(40);
4954
7a6f4369
MC		 4955 err = tg3_poll_fw(tp);
4956 if (err)
4957 return err;
1da177e4
LT		 4958
4959 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4960 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4961 u32 val = tr32(0x7c00);
4962
4963 tw32(0x7c00, val | (1 << 25));
4964 }
4965
4966 /* Reprobe ASF enable state. */
4967 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4968 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4969 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4970 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4971 u32 nic_cfg;
4972
4973 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4974 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4975 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 4976 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 4977 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4978 }
4979 }
4980
4981 return 0;
4982}
4983
4984/* tp->lock is held. */
4985static void tg3_stop_fw(struct tg3 *tp)
4986{
4987 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4988 u32 val;
4989 int i;
4990
4991 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4992 val = tr32(GRC_RX_CPU_EVENT);
4993 val |= (1 << 14);
4994 tw32(GRC_RX_CPU_EVENT, val);
4995
4996 /* Wait for RX cpu to ACK the event. */
4997 for (i = 0; i < 100; i++) {
4998 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4999 break;
5000 udelay(1);
5001 }
5002 }
5003}
5004
5005/* tp->lock is held. */
944d980e 5006static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 5007{
5008 int err;
5009
5010 tg3_stop_fw(tp);
5011
944d980e 5012 tg3_write_sig_pre_reset(tp, kind);
1da177e4 5013
b3b7d6be 5014 tg3_abort_hw(tp, silent);
1da177e4
LT		 5015 err = tg3_chip_reset(tp);
5016
944d980e
MC		 5017 tg3_write_sig_legacy(tp, kind);
5018 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 5019
5020 if (err)
5021 return err;
5022
5023 return 0;
5024}
5025
5026#define TG3_FW_RELEASE_MAJOR 0x0
5027#define TG3_FW_RELASE_MINOR 0x0
5028#define TG3_FW_RELEASE_FIX 0x0
5029#define TG3_FW_START_ADDR 0x08000000
5030#define TG3_FW_TEXT_ADDR 0x08000000
5031#define TG3_FW_TEXT_LEN 0x9c0
5032#define TG3_FW_RODATA_ADDR 0x080009c0
5033#define TG3_FW_RODATA_LEN 0x60
5034#define TG3_FW_DATA_ADDR 0x08000a40
5035#define TG3_FW_DATA_LEN 0x20
5036#define TG3_FW_SBSS_ADDR 0x08000a60
5037#define TG3_FW_SBSS_LEN 0xc
5038#define TG3_FW_BSS_ADDR 0x08000a70
5039#define TG3_FW_BSS_LEN 0x10
5040
50da859d 5041static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5042 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5043 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5044 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5045 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5046 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5047 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5048 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5049 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5050 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5051 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5052 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5053 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5054 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5055 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5056 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5057 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5058 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5059 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5060 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5061 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5062 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5063 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5064 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5065 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5066 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5067 0, 0, 0, 0, 0, 0,
5068 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5069 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5070 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5071 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5072 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5073 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5074 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5075 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5076 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5077 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5078 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5079 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5080 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5081 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5082 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5083 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5084 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5085 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5086 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5087 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5088 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5089 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5090 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5091 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5092 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5093 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5094 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5095 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5096 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5097 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5098 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5099 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5100 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5101 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5102 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5103 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5104 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5105 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5106 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5107 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5108 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5109 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5110 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5111 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5112 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5113 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5114 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5115 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5116 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5117 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5118 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5119 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5120 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5121 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5122 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5123 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5124 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5125 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5126 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5127 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5128 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5129 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5130 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5131 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5132 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5133};
5134
50da859d 5135static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5136 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5137 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5138 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5139 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5140 0x00000000
5141};
5142
5143#if 0 /* All zeros, don't eat up space with it. */
5144u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5145 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5146 0x00000000, 0x00000000, 0x00000000, 0x00000000
5147};
5148#endif
5149
5150#define RX_CPU_SCRATCH_BASE 0x30000
5151#define RX_CPU_SCRATCH_SIZE 0x04000
5152#define TX_CPU_SCRATCH_BASE 0x34000
5153#define TX_CPU_SCRATCH_SIZE 0x04000
5154
5155/* tp->lock is held. */
5156static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5157{
5158 int i;
5159
5d9428de
ES		 5160 BUG_ON(offset == TX_CPU_BASE &&
5161 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 5162
b5d3772c
MC		 5163 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5164 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5165
5166 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5167 return 0;
5168 }
1da177e4
LT		 5169 if (offset == RX_CPU_BASE) {
5170 for (i = 0; i < 10000; i++) {
5171 tw32(offset + CPU_STATE, 0xffffffff);
5172 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5173 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5174 break;
5175 }
5176
5177 tw32(offset + CPU_STATE, 0xffffffff);
5178 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5179 udelay(10);
5180 } else {
5181 for (i = 0; i < 10000; i++) {
5182 tw32(offset + CPU_STATE, 0xffffffff);
5183 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5184 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5185 break;
5186 }
5187 }
5188
5189 if (i >= 10000) {
5190 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5191 "and %s CPU\n",
5192 tp->dev->name,
5193 (offset == RX_CPU_BASE ? "RX" : "TX"));
5194 return -ENODEV;
5195 }
ec41c7df
MC		 5196
5197 /* Clear firmware's nvram arbitration. */
5198 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5199 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 5200 return 0;
5201}
5202
5203struct fw_info {
5204 unsigned int text_base;
5205 unsigned int text_len;
50da859d 5206 const u32 *text_data;
1da177e4
LT		 5207 unsigned int rodata_base;
5208 unsigned int rodata_len;
50da859d 5209 const u32 *rodata_data;
1da177e4
LT		 5210 unsigned int data_base;
5211 unsigned int data_len;
50da859d 5212 const u32 *data_data;
1da177e4
LT		 5213};
5214
5215/* tp->lock is held. */
5216static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5217 int cpu_scratch_size, struct fw_info *info)
5218{
ec41c7df 5219 int err, lock_err, i;
1da177e4
LT		 5220 void (*write_op)(struct tg3 *, u32, u32);
5221
5222 if (cpu_base == TX_CPU_BASE &&
5223 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5224 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5225 "TX cpu firmware on %s which is 5705.\n",
5226 tp->dev->name);
5227 return -EINVAL;
5228 }
5229
5230 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5231 write_op = tg3_write_mem;
5232 else
5233 write_op = tg3_write_indirect_reg32;
5234
1b628151
MC		 5235 /* It is possible that bootcode is still loading at this point.
5236 * Get the nvram lock first before halting the cpu.
5237 */
ec41c7df 5238 lock_err = tg3_nvram_lock(tp);
1da177e4 5239 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 5240 if (!lock_err)
5241 tg3_nvram_unlock(tp);
1da177e4
LT		 5242 if (err)
5243 goto out;
5244
5245 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5246 write_op(tp, cpu_scratch_base + i, 0);
5247 tw32(cpu_base + CPU_STATE, 0xffffffff);
5248 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5249 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5250 write_op(tp, (cpu_scratch_base +
5251 (info->text_base & 0xffff) +
5252 (i * sizeof(u32))),
5253 (info->text_data ?
5254 info->text_data[i] : 0));
5255 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5256 write_op(tp, (cpu_scratch_base +
5257 (info->rodata_base & 0xffff) +
5258 (i * sizeof(u32))),
5259 (info->rodata_data ?
5260 info->rodata_data[i] : 0));
5261 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5262 write_op(tp, (cpu_scratch_base +
5263 (info->data_base & 0xffff) +
5264 (i * sizeof(u32))),
5265 (info->data_data ?
5266 info->data_data[i] : 0));
5267
5268 err = 0;
5269
5270out:
1da177e4
LT		 5271 return err;
5272}
5273
5274/* tp->lock is held. */
5275static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5276{
5277 struct fw_info info;
5278 int err, i;
5279
5280 info.text_base = TG3_FW_TEXT_ADDR;
5281 info.text_len = TG3_FW_TEXT_LEN;
5282 info.text_data = &tg3FwText[0];
5283 info.rodata_base = TG3_FW_RODATA_ADDR;
5284 info.rodata_len = TG3_FW_RODATA_LEN;
5285 info.rodata_data = &tg3FwRodata[0];
5286 info.data_base = TG3_FW_DATA_ADDR;
5287 info.data_len = TG3_FW_DATA_LEN;
5288 info.data_data = NULL;
5289
5290 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5291 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5292 &info);
5293 if (err)
5294 return err;
5295
5296 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5297 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5298 &info);
5299 if (err)
5300 return err;
5301
5302 /* Now startup only the RX cpu. */
5303 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5304 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5305
5306 for (i = 0; i < 5; i++) {
5307 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5308 break;
5309 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5310 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5311 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5312 udelay(1000);
5313 }
5314 if (i >= 5) {
5315 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5316 "to set RX CPU PC, is %08x should be %08x\n",
5317 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5318 TG3_FW_TEXT_ADDR);
5319 return -ENODEV;
5320 }
5321 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5322 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5323
5324 return 0;
5325}
5326
1da177e4
LT		 5327
5328#define TG3_TSO_FW_RELEASE_MAJOR 0x1
5329#define TG3_TSO_FW_RELASE_MINOR 0x6
5330#define TG3_TSO_FW_RELEASE_FIX 0x0
5331#define TG3_TSO_FW_START_ADDR 0x08000000
5332#define TG3_TSO_FW_TEXT_ADDR 0x08000000
5333#define TG3_TSO_FW_TEXT_LEN 0x1aa0
5334#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5335#define TG3_TSO_FW_RODATA_LEN 0x60
5336#define TG3_TSO_FW_DATA_ADDR 0x08001b20
5337#define TG3_TSO_FW_DATA_LEN 0x30
5338#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5339#define TG3_TSO_FW_SBSS_LEN 0x2c
5340#define TG3_TSO_FW_BSS_ADDR 0x08001b80
5341#define TG3_TSO_FW_BSS_LEN 0x894
5342
50da859d 5343static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5344 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5345 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5346 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5347 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5348 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5349 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5350 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5351 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5352 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5353 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5354 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5355 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5356 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5357 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5358 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5359 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5360 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5361 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5362 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5363 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5364 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5365 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5366 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5367 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5368 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5369 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5370 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5371 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5372 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5373 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5374 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5375 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5376 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5377 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5378 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5379 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5380 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5381 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5382 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5383 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5384 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5385 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5386 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5387 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5388 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5389 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5390 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5391 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5392 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5393 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5394 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5395 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5396 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5397 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5398 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5399 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5400 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5401 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5402 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5403 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5404 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5405 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5406 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5407 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5408 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5409 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5410 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5411 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5412 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5413 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5414 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5415 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5416 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5417 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5418 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5419 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5420 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5421 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5422 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5423 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5424 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5425 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5426 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5427 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5428 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5429 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5430 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5431 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5432 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5433 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5434 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5435 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5436 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5437 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5438 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5439 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5440 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5441 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5442 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5443 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5444 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5445 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5446 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5447 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5448 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5449 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5450 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5451 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5452 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5453 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5454 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5455 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5456 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5457 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5458 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5459 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5460 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5461 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5462 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5463 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5464 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5465 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5466 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5467 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5468 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5469 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5470 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5471 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5472 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5473 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5474 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5475 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5476 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5477 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5478 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5479 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5480 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5481 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5482 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5483 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5484 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5485 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5486 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5487 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5488 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5489 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5490 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5491 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5492 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5493 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5494 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5495 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5496 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5497 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5498 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5499 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5500 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5501 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5502 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5503 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5504 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5505 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5506 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5507 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5508 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5509 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5510 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5511 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5512 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5513 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5514 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5515 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5516 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5517 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5518 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5519 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5520 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5521 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5522 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5523 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5524 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5525 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5526 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5527 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5528 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5529 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5530 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5531 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5532 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5533 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5534 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5535 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5536 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5537 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5538 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5539 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5540 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5541 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5542 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5543 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5544 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5545 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5546 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5547 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5548 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5549 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5550 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5551 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5552 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5553 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5554 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5555 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5556 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5557 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5558 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5559 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5560 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5561 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5562 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5563 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5564 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5565 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5566 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5567 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5568 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5569 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5570 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5571 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5572 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5573 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5574 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5575 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5576 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5577 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5578 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5579 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5580 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5581 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5582 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5583 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5584 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5585 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5586 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5587 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5588 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5589 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5590 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5591 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5592 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5593 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5594 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5595 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5596 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5597 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5598 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5599 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5600 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5601 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5602 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5603 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5604 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5605 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5606 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5607 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5608 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5609 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5610 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5611 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5612 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5613 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5614 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5615 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5616 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5617 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5618 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5619 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5620 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5621 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5622 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5623 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5624 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5625 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5626 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5627 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5628};
5629
50da859d 5630static const u32 tg3TsoFwRodata[] = {
1da177e4
LT		 5631 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5632 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5633 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5634 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5635 0x00000000,
5636};
5637
50da859d 5638static const u32 tg3TsoFwData[] = {
1da177e4
LT		 5639 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5640 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5641 0x00000000,
5642};
5643
5644/* 5705 needs a special version of the TSO firmware. */
5645#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5646#define TG3_TSO5_FW_RELASE_MINOR 0x2
5647#define TG3_TSO5_FW_RELEASE_FIX 0x0
5648#define TG3_TSO5_FW_START_ADDR 0x00010000
5649#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5650#define TG3_TSO5_FW_TEXT_LEN 0xe90
5651#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5652#define TG3_TSO5_FW_RODATA_LEN 0x50
5653#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5654#define TG3_TSO5_FW_DATA_LEN 0x20
5655#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5656#define TG3_TSO5_FW_SBSS_LEN 0x28
5657#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5658#define TG3_TSO5_FW_BSS_LEN 0x88
5659
50da859d 5660static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5661 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5662 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5663 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5664 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5665 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5666 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5667 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5668 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5669 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5670 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5671 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5672 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5673 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5674 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5675 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5676 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5677 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5678 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5679 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5680 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5681 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5682 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5683 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5684 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5685 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5686 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5687 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5688 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5689 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5690 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5691 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5692 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5693 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5694 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5695 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5696 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5697 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5698 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5699 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5700 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5701 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5702 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5703 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5704 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5705 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5706 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5707 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5708 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5709 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5710 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5711 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5712 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5713 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5714 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5715 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5716 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5717 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5718 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5719 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5720 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5721 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5722 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5723 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5724 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5725 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5726 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5727 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5728 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5729 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5730 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5731 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5732 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5733 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5734 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5735 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5736 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5737 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5738 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5739 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5740 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5741 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5742 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5743 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5744 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5745 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5746 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5747 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5748 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5749 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5750 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5751 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5752 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5753 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5754 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5755 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5756 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5757 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5758 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5759 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5760 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5761 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5762 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5763 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5764 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5765 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5766 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5767 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5768 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5769 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5770 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5771 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5772 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5773 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5774 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5775 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5776 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5777 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5778 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5779 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5780 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5781 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5782 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5783 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5784 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5785 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5786 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5787 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5788 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5789 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5790 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5791 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5792 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5793 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5794 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5795 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5796 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5797 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5798 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5799 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5800 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5801 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5802 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5803 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5804 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5805 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5806 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5807 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5808 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5809 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5810 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5811 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5812 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5813 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5814 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5815 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5816 0x00000000, 0x00000000, 0x00000000,
5817};
5818
50da859d 5819static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
1da177e4
LT		 5820 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5821 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5822 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5823 0x00000000, 0x00000000, 0x00000000,
5824};
5825
50da859d 5826static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
1da177e4
LT		 5827 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5828 0x00000000, 0x00000000, 0x00000000,
5829};
5830
5831/* tp->lock is held. */
5832static int tg3_load_tso_firmware(struct tg3 *tp)
5833{
5834 struct fw_info info;
5835 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5836 int err, i;
5837
5838 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5839 return 0;
5840
5841 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5842 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5843 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5844 info.text_data = &tg3Tso5FwText[0];
5845 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5846 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5847 info.rodata_data = &tg3Tso5FwRodata[0];
5848 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5849 info.data_len = TG3_TSO5_FW_DATA_LEN;
5850 info.data_data = &tg3Tso5FwData[0];
5851 cpu_base = RX_CPU_BASE;
5852 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5853 cpu_scratch_size = (info.text_len +
5854 info.rodata_len +
5855 info.data_len +
5856 TG3_TSO5_FW_SBSS_LEN +
5857 TG3_TSO5_FW_BSS_LEN);
5858 } else {
5859 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5860 info.text_len = TG3_TSO_FW_TEXT_LEN;
5861 info.text_data = &tg3TsoFwText[0];
5862 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5863 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5864 info.rodata_data = &tg3TsoFwRodata[0];
5865 info.data_base = TG3_TSO_FW_DATA_ADDR;
5866 info.data_len = TG3_TSO_FW_DATA_LEN;
5867 info.data_data = &tg3TsoFwData[0];
5868 cpu_base = TX_CPU_BASE;
5869 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5870 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5871 }
5872
5873 err = tg3_load_firmware_cpu(tp, cpu_base,
5874 cpu_scratch_base, cpu_scratch_size,
5875 &info);
5876 if (err)
5877 return err;
5878
5879 /* Now startup the cpu. */
5880 tw32(cpu_base + CPU_STATE, 0xffffffff);
5881 tw32_f(cpu_base + CPU_PC, info.text_base);
5882
5883 for (i = 0; i < 5; i++) {
5884 if (tr32(cpu_base + CPU_PC) == info.text_base)
5885 break;
5886 tw32(cpu_base + CPU_STATE, 0xffffffff);
5887 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5888 tw32_f(cpu_base + CPU_PC, info.text_base);
5889 udelay(1000);
5890 }
5891 if (i >= 5) {
5892 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5893 "to set CPU PC, is %08x should be %08x\n",
5894 tp->dev->name, tr32(cpu_base + CPU_PC),
5895 info.text_base);
5896 return -ENODEV;
5897 }
5898 tw32(cpu_base + CPU_STATE, 0xffffffff);
5899 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5900 return 0;
5901}
5902
1da177e4
LT		 5903
5904/* tp->lock is held. */
5905static void __tg3_set_mac_addr(struct tg3 *tp)
5906{
5907 u32 addr_high, addr_low;
5908 int i;
5909
5910 addr_high = ((tp->dev->dev_addr[0] << 8) |
5911 tp->dev->dev_addr[1]);
5912 addr_low = ((tp->dev->dev_addr[2] << 24) |
5913 (tp->dev->dev_addr[3] << 16) |
5914 (tp->dev->dev_addr[4] << 8) |
5915 (tp->dev->dev_addr[5] << 0));
5916 for (i = 0; i < 4; i++) {
5917 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5918 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5919 }
5920
5921 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5922 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5923 for (i = 0; i < 12; i++) {
5924 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5925 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5926 }
5927 }
5928
5929 addr_high = (tp->dev->dev_addr[0] +
5930 tp->dev->dev_addr[1] +
5931 tp->dev->dev_addr[2] +
5932 tp->dev->dev_addr[3] +
5933 tp->dev->dev_addr[4] +
5934 tp->dev->dev_addr[5]) &
5935 TX_BACKOFF_SEED_MASK;
5936 tw32(MAC_TX_BACKOFF_SEED, addr_high);
5937}
5938
5939static int tg3_set_mac_addr(struct net_device *dev, void *p)
5940{
5941 struct tg3 *tp = netdev_priv(dev);
5942 struct sockaddr *addr = p;
b9ec6c1b 5943 int err = 0;
1da177e4 5944
f9804ddb
MC		 5945 if (!is_valid_ether_addr(addr->sa_data))
5946 return -EINVAL;
5947
1da177e4
LT		 5948 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5949
e75f7c90
MC		 5950 if (!netif_running(dev))
5951 return 0;
5952
58712ef9
MC		 5953 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5954 /* Reset chip so that ASF can re-init any MAC addresses it
5955 * needs.
5956 */
5957 tg3_netif_stop(tp);
5958 tg3_full_lock(tp, 1);
5959
5960 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 5961 err = tg3_restart_hw(tp, 0);
5962 if (!err)
5963 tg3_netif_start(tp);
58712ef9
MC		 5964 tg3_full_unlock(tp);
5965 } else {
5966 spin_lock_bh(&tp->lock);
5967 __tg3_set_mac_addr(tp);
5968 spin_unlock_bh(&tp->lock);
5969 }
1da177e4 5970
b9ec6c1b 5971 return err;
1da177e4
LT		 5972}
5973
5974/* tp->lock is held. */
5975static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5976 dma_addr_t mapping, u32 maxlen_flags,
5977 u32 nic_addr)
5978{
5979 tg3_write_mem(tp,
5980 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5981 ((u64) mapping >> 32));
5982 tg3_write_mem(tp,
5983 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5984 ((u64) mapping & 0xffffffff));
5985 tg3_write_mem(tp,
5986 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5987 maxlen_flags);
5988
5989 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5990 tg3_write_mem(tp,
5991 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5992 nic_addr);
5993}
5994
5995static void __tg3_set_rx_mode(struct net_device *);
d244c892 5996static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d
DM		 5997{
5998 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5999 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6000 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6001 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6002 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6003 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6004 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6005 }
6006 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6007 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6008 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6009 u32 val = ec->stats_block_coalesce_usecs;
6010
6011 if (!netif_carrier_ok(tp->dev))
6012 val = 0;
6013
6014 tw32(HOSTCC_STAT_COAL_TICKS, val);
6015 }
6016}
1da177e4
LT		 6017
6018/* tp->lock is held. */
8e7a22e3 6019static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6020{
6021 u32 val, rdmac_mode;
6022 int i, err, limit;
6023
6024 tg3_disable_ints(tp);
6025
6026 tg3_stop_fw(tp);
6027
6028 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6029
6030 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 6031 tg3_abort_hw(tp, 1);
1da177e4
LT		 6032 }
6033
36da4d86 6034 if (reset_phy)
d4d2c558
MC		 6035 tg3_phy_reset(tp);
6036
1da177e4
LT		 6037 err = tg3_chip_reset(tp);
6038 if (err)
6039 return err;
6040
6041 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6042
6043 /* This works around an issue with Athlon chipsets on
6044 * B3 tigon3 silicon. This bit has no effect on any
6045 * other revision. But do not set this on PCI Express
6046 * chips.
6047 */
6048 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6049 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6050 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6051
6052 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6053 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6054 val = tr32(TG3PCI_PCISTATE);
6055 val |= PCISTATE_RETRY_SAME_DMA;
6056 tw32(TG3PCI_PCISTATE, val);
6057 }
6058
6059 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6060 /* Enable some hw fixes. */
6061 val = tr32(TG3PCI_MSI_DATA);
6062 val |= (1 << 26) | (1 << 28) | (1 << 29);
6063 tw32(TG3PCI_MSI_DATA, val);
6064 }
6065
6066 /* Descriptor ring init may make accesses to the
6067 * NIC SRAM area to setup the TX descriptors, so we
6068 * can only do this after the hardware has been
6069 * successfully reset.
6070 */
32d8c572
MC		 6071 err = tg3_init_rings(tp);
6072 if (err)
6073 return err;
1da177e4
LT		 6074
6075 /* This value is determined during the probe time DMA
6076 * engine test, tg3_test_dma.
6077 */
6078 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6079
6080 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6081 GRC_MODE_4X_NIC_SEND_RINGS |
6082 GRC_MODE_NO_TX_PHDR_CSUM |
6083 GRC_MODE_NO_RX_PHDR_CSUM);
6084 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 6085
6086 /* Pseudo-header checksum is done by hardware logic and not
6087 * the offload processers, so make the chip do the pseudo-
6088 * header checksums on receive. For transmit it is more
6089 * convenient to do the pseudo-header checksum in software
6090 * as Linux does that on transmit for us in all cases.
6091 */
6092 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 6093
6094 tw32(GRC_MODE,
6095 tp->grc_mode |
6096 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6097
6098 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6099 val = tr32(GRC_MISC_CFG);
6100 val &= ~0xff;
6101 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6102 tw32(GRC_MISC_CFG, val);
6103
6104 /* Initialize MBUF/DESC pool. */
cbf46853 6105 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 6106 /* Do nothing. */
6107 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6108 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6109 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6110 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6111 else
6112 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6113 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6114 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6115 }
1da177e4
LT		 6116 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6117 int fw_len;
6118
6119 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6120 TG3_TSO5_FW_RODATA_LEN +
6121 TG3_TSO5_FW_DATA_LEN +
6122 TG3_TSO5_FW_SBSS_LEN +
6123 TG3_TSO5_FW_BSS_LEN);
6124 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6125 tw32(BUFMGR_MB_POOL_ADDR,
6126 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6127 tw32(BUFMGR_MB_POOL_SIZE,
6128 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6129 }
1da177e4 6130
0f893dc6 6131 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 6132 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6133 tp->bufmgr_config.mbuf_read_dma_low_water);
6134 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6135 tp->bufmgr_config.mbuf_mac_rx_low_water);
6136 tw32(BUFMGR_MB_HIGH_WATER,
6137 tp->bufmgr_config.mbuf_high_water);
6138 } else {
6139 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6140 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6141 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6142 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6143 tw32(BUFMGR_MB_HIGH_WATER,
6144 tp->bufmgr_config.mbuf_high_water_jumbo);
6145 }
6146 tw32(BUFMGR_DMA_LOW_WATER,
6147 tp->bufmgr_config.dma_low_water);
6148 tw32(BUFMGR_DMA_HIGH_WATER,
6149 tp->bufmgr_config.dma_high_water);
6150
6151 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6152 for (i = 0; i < 2000; i++) {
6153 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6154 break;
6155 udelay(10);
6156 }
6157 if (i >= 2000) {
6158 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6159 tp->dev->name);
6160 return -ENODEV;
6161 }
6162
6163 /* Setup replenish threshold. */
f92905de
MC		 6164 val = tp->rx_pending / 8;
6165 if (val == 0)
6166 val = 1;
6167 else if (val > tp->rx_std_max_post)
6168 val = tp->rx_std_max_post;
b5d3772c
MC		 6169 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6170 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6171 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6172
6173 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6174 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6175 }
f92905de
MC		 6176
6177 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 6178
6179 /* Initialize TG3_BDINFO's at:
6180 * RCVDBDI_STD_BD: standard eth size rx ring
6181 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6182 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6183 *
6184 * like so:
6185 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6186 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6187 * ring attribute flags
6188 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6189 *
6190 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6191 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6192 *
6193 * The size of each ring is fixed in the firmware, but the location is
6194 * configurable.
6195 */
6196 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6197 ((u64) tp->rx_std_mapping >> 32));
6198 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6199 ((u64) tp->rx_std_mapping & 0xffffffff));
6200 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6201 NIC_SRAM_RX_BUFFER_DESC);
6202
6203 /* Don't even try to program the JUMBO/MINI buffer descriptor
6204 * configs on 5705.
6205 */
6206 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6207 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6208 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6209 } else {
6210 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6211 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6212
6213 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6214 BDINFO_FLAGS_DISABLED);
6215
6216 /* Setup replenish threshold. */
6217 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6218
0f893dc6 6219 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 6220 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6221 ((u64) tp->rx_jumbo_mapping >> 32));
6222 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6223 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6224 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6225 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6226 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6227 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6228 } else {
6229 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6230 BDINFO_FLAGS_DISABLED);
6231 }
6232
6233 }
6234
6235 /* There is only one send ring on 5705/5750, no need to explicitly
6236 * disable the others.
6237 */
6238 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6239 /* Clear out send RCB ring in SRAM. */
6240 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6241 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6242 BDINFO_FLAGS_DISABLED);
6243 }
6244
6245 tp->tx_prod = 0;
6246 tp->tx_cons = 0;
6247 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6248 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6249
6250 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6251 tp->tx_desc_mapping,
6252 (TG3_TX_RING_SIZE <<
6253 BDINFO_FLAGS_MAXLEN_SHIFT),
6254 NIC_SRAM_TX_BUFFER_DESC);
6255
6256 /* There is only one receive return ring on 5705/5750, no need
6257 * to explicitly disable the others.
6258 */
6259 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6260 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6261 i += TG3_BDINFO_SIZE) {
6262 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6263 BDINFO_FLAGS_DISABLED);
6264 }
6265 }
6266
6267 tp->rx_rcb_ptr = 0;
6268 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6269
6270 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6271 tp->rx_rcb_mapping,
6272 (TG3_RX_RCB_RING_SIZE(tp) <<
6273 BDINFO_FLAGS_MAXLEN_SHIFT),
6274 0);
6275
6276 tp->rx_std_ptr = tp->rx_pending;
6277 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6278 tp->rx_std_ptr);
6279
0f893dc6 6280 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
1da177e4
LT		 6281 tp->rx_jumbo_pending : 0;
6282 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6283 tp->rx_jumbo_ptr);
6284
6285 /* Initialize MAC address and backoff seed. */
6286 __tg3_set_mac_addr(tp);
6287
6288 /* MTU + ethernet header + FCS + optional VLAN tag */
6289 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6290
6291 /* The slot time is changed by tg3_setup_phy if we
6292 * run at gigabit with half duplex.
6293 */
6294 tw32(MAC_TX_LENGTHS,
6295 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6296 (6 << TX_LENGTHS_IPG_SHIFT) |
6297 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6298
6299 /* Receive rules. */
6300 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6301 tw32(RCVLPC_CONFIG, 0x0181);
6302
6303 /* Calculate RDMAC_MODE setting early, we need it to determine
6304 * the RCVLPC_STATE_ENABLE mask.
6305 */
6306 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6307 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6308 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6309 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6310 RDMAC_MODE_LNGREAD_ENAB);
6311 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6312 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
85e94ced
MC		 6313
6314 /* If statement applies to 5705 and 5750 PCI devices only */
6315 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6316 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6317 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4
LT		 6318 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6319 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6320 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6321 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6322 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6323 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6324 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6325 }
6326 }
6327
85e94ced
MC		 6328 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6329 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6330
1da177e4
LT		 6331 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6332 rdmac_mode |= (1 << 27);
1da177e4
LT		 6333
6334 /* Receive/send statistics. */
1661394e
MC		 6335 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6336 val = tr32(RCVLPC_STATS_ENABLE);
6337 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6338 tw32(RCVLPC_STATS_ENABLE, val);
6339 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6340 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 6341 val = tr32(RCVLPC_STATS_ENABLE);
6342 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6343 tw32(RCVLPC_STATS_ENABLE, val);
6344 } else {
6345 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6346 }
6347 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6348 tw32(SNDDATAI_STATSENAB, 0xffffff);
6349 tw32(SNDDATAI_STATSCTRL,
6350 (SNDDATAI_SCTRL_ENABLE |
6351 SNDDATAI_SCTRL_FASTUPD));
6352
6353 /* Setup host coalescing engine. */
6354 tw32(HOSTCC_MODE, 0);
6355 for (i = 0; i < 2000; i++) {
6356 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6357 break;
6358 udelay(10);
6359 }
6360
d244c892 6361 __tg3_set_coalesce(tp, &tp->coal);
1da177e4
LT		 6362
6363 /* set status block DMA address */
6364 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6365 ((u64) tp->status_mapping >> 32));
6366 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6367 ((u64) tp->status_mapping & 0xffffffff));
6368
6369 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6370 /* Status/statistics block address. See tg3_timer,
6371 * the tg3_periodic_fetch_stats call there, and
6372 * tg3_get_stats to see how this works for 5705/5750 chips.
6373 */
1da177e4
LT		 6374 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6375 ((u64) tp->stats_mapping >> 32));
6376 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6377 ((u64) tp->stats_mapping & 0xffffffff));
6378 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6379 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6380 }
6381
6382 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6383
6384 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6385 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6386 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6387 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6388
6389 /* Clear statistics/status block in chip, and status block in ram. */
6390 for (i = NIC_SRAM_STATS_BLK;
6391 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6392 i += sizeof(u32)) {
6393 tg3_write_mem(tp, i, 0);
6394 udelay(40);
6395 }
6396 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6397
c94e3941
MC		 6398 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6399 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6400 /* reset to prevent losing 1st rx packet intermittently */
6401 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6402 udelay(10);
6403 }
6404
1da177e4
LT		 6405 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6406 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6407 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6408 udelay(40);
6409
314fba34 6410 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 6411 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 6412 * register to preserve the GPIO settings for LOMs. The GPIOs,
6413 * whether used as inputs or outputs, are set by boot code after
6414 * reset.
6415 */
9d26e213 6416 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 6417 u32 gpio_mask;
6418
9d26e213
MC		 6419 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6420 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6421 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 6422
6423 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6424 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6425 GRC_LCLCTRL_GPIO_OUTPUT3;
6426
af36e6b6
MC		 6427 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6428 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6429
314fba34
MC		 6430 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6431
6432 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 6433 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6434 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6435 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 6436 }
1da177e4
LT		 6437 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6438 udelay(100);
6439
09ee929c 6440 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
fac9b83e 6441 tp->last_tag = 0;
1da177e4
LT		 6442
6443 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6444 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6445 udelay(40);
6446 }
6447
6448 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6449 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6450 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6451 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6452 WDMAC_MODE_LNGREAD_ENAB);
6453
85e94ced
MC		 6454 /* If statement applies to 5705 and 5750 PCI devices only */
6455 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6456 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6457 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
1da177e4
LT		 6458 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6459 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6460 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6461 /* nothing */
6462 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6463 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6464 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6465 val |= WDMAC_MODE_RX_ACCEL;
6466 }
6467 }
6468
d9ab5ad1 6469 /* Enable host coalescing bug fix */
af36e6b6
MC		 6470 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6471 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
d9ab5ad1
MC		 6472 val |= (1 << 29);
6473
1da177e4
LT		 6474 tw32_f(WDMAC_MODE, val);
6475 udelay(40);
6476
6477 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6478 val = tr32(TG3PCI_X_CAPS);
6479 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6480 val &= ~PCIX_CAPS_BURST_MASK;
6481 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6482 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6483 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6484 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6485 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6486 val |= (tp->split_mode_max_reqs <<
6487 PCIX_CAPS_SPLIT_SHIFT);
6488 }
6489 tw32(TG3PCI_X_CAPS, val);
6490 }
6491
6492 tw32_f(RDMAC_MODE, rdmac_mode);
6493 udelay(40);
6494
6495 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6496 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6497 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6498 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6499 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6500 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6501 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6502 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 6503 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6504 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
1da177e4
LT		 6505 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6506 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6507
6508 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6509 err = tg3_load_5701_a0_firmware_fix(tp);
6510 if (err)
6511 return err;
6512 }
6513
1da177e4
LT		 6514 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6515 err = tg3_load_tso_firmware(tp);
6516 if (err)
6517 return err;
6518 }
1da177e4
LT		 6519
6520 tp->tx_mode = TX_MODE_ENABLE;
6521 tw32_f(MAC_TX_MODE, tp->tx_mode);
6522 udelay(100);
6523
6524 tp->rx_mode = RX_MODE_ENABLE;
af36e6b6
MC		 6525 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6526 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6527
1da177e4
LT		 6528 tw32_f(MAC_RX_MODE, tp->rx_mode);
6529 udelay(10);
6530
6531 if (tp->link_config.phy_is_low_power) {
6532 tp->link_config.phy_is_low_power = 0;
6533 tp->link_config.speed = tp->link_config.orig_speed;
6534 tp->link_config.duplex = tp->link_config.orig_duplex;
6535 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6536 }
6537
6538 tp->mi_mode = MAC_MI_MODE_BASE;
6539 tw32_f(MAC_MI_MODE, tp->mi_mode);
6540 udelay(80);
6541
6542 tw32(MAC_LED_CTRL, tp->led_ctrl);
6543
6544 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 6545 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 6546 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6547 udelay(10);
6548 }
6549 tw32_f(MAC_RX_MODE, tp->rx_mode);
6550 udelay(10);
6551
6552 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6553 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6554 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6555 /* Set drive transmission level to 1.2V */
6556 /* only if the signal pre-emphasis bit is not set */
6557 val = tr32(MAC_SERDES_CFG);
6558 val &= 0xfffff000;
6559 val |= 0x880;
6560 tw32(MAC_SERDES_CFG, val);
6561 }
6562 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6563 tw32(MAC_SERDES_CFG, 0x616000);
6564 }
6565
6566 /* Prevent chip from dropping frames when flow control
6567 * is enabled.
6568 */
6569 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6570
6571 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6572 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6573 /* Use hardware link auto-negotiation */
6574 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6575 }
6576
d4d2c558
MC		 6577 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6578 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6579 u32 tmp;
6580
6581 tmp = tr32(SERDES_RX_CTRL);
6582 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6583 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6584 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6585 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6586 }
6587
36da4d86 6588 err = tg3_setup_phy(tp, 0);
1da177e4
LT		 6589 if (err)
6590 return err;
6591
715116a1
MC		 6592 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6593 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1da177e4
LT		 6594 u32 tmp;
6595
6596 /* Clear CRC stats. */
569a5df8
MC		 6597 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6598 tg3_writephy(tp, MII_TG3_TEST1,
6599 tmp | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 6600 tg3_readphy(tp, 0x14, &tmp);
6601 }
6602 }
6603
6604 __tg3_set_rx_mode(tp->dev);
6605
6606 /* Initialize receive rules. */
6607 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6608 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6609 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6610 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6611
4cf78e4f 6612 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 6613 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 6614 limit = 8;
6615 else
6616 limit = 16;
6617 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6618 limit -= 4;
6619 switch (limit) {
6620 case 16:
6621 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6622 case 15:
6623 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6624 case 14:
6625 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6626 case 13:
6627 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6628 case 12:
6629 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6630 case 11:
6631 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6632 case 10:
6633 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6634 case 9:
6635 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6636 case 8:
6637 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6638 case 7:
6639 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6640 case 6:
6641 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6642 case 5:
6643 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6644 case 4:
6645 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6646 case 3:
6647 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6648 case 2:
6649 case 1:
6650
6651 default:
6652 break;
6653 };
6654
6655 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6656
1da177e4
LT		 6657 return 0;
6658}
6659
6660/* Called at device open time to get the chip ready for
6661 * packet processing. Invoked with tp->lock held.
6662 */
8e7a22e3 6663static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6664{
6665 int err;
6666
6667 /* Force the chip into D0. */
bc1c7567 6668 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 6669 if (err)
6670 goto out;
6671
6672 tg3_switch_clocks(tp);
6673
6674 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6675
8e7a22e3 6676 err = tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 6677
6678out:
6679 return err;
6680}
6681
6682#define TG3_STAT_ADD32(PSTAT, REG) \
6683do { u32 __val = tr32(REG); \
6684 (PSTAT)->low += __val; \
6685 if ((PSTAT)->low < __val) \
6686 (PSTAT)->high += 1; \
6687} while (0)
6688
6689static void tg3_periodic_fetch_stats(struct tg3 *tp)
6690{
6691 struct tg3_hw_stats *sp = tp->hw_stats;
6692
6693 if (!netif_carrier_ok(tp->dev))
6694 return;
6695
6696 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6697 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6698 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6699 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6700 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6701 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6702 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6703 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6704 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6705 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6706 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6707 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6708 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6709
6710 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6711 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6712 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6713 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6714 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6715 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6716 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6717 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6718 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6719 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6720 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6721 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6722 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6723 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 6724
6725 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6726 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6727 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 6728}
6729
6730static void tg3_timer(unsigned long __opaque)
6731{
6732 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 6733
f475f163
MC		 6734 if (tp->irq_sync)
6735 goto restart_timer;
6736
f47c11ee 6737 spin_lock(&tp->lock);
1da177e4 6738
fac9b83e
DM		 6739 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6740 /* All of this garbage is because when using non-tagged
6741 * IRQ status the mailbox/status_block protocol the chip
6742 * uses with the cpu is race prone.
6743 */
6744 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6745 tw32(GRC_LOCAL_CTRL,
6746 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6747 } else {
6748 tw32(HOSTCC_MODE, tp->coalesce_mode |
6749 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6750 }
1da177e4 6751
fac9b83e
DM		 6752 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6753 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 6754 spin_unlock(&tp->lock);
fac9b83e
DM		 6755 schedule_work(&tp->reset_task);
6756 return;
6757 }
1da177e4
LT		 6758 }
6759
1da177e4
LT		 6760 /* This part only runs once per second. */
6761 if (!--tp->timer_counter) {
fac9b83e
DM		 6762 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6763 tg3_periodic_fetch_stats(tp);
6764
1da177e4
LT		 6765 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6766 u32 mac_stat;
6767 int phy_event;
6768
6769 mac_stat = tr32(MAC_STATUS);
6770
6771 phy_event = 0;
6772 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6773 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6774 phy_event = 1;
6775 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6776 phy_event = 1;
6777
6778 if (phy_event)
6779 tg3_setup_phy(tp, 0);
6780 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6781 u32 mac_stat = tr32(MAC_STATUS);
6782 int need_setup = 0;
6783
6784 if (netif_carrier_ok(tp->dev) &&
6785 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6786 need_setup = 1;
6787 }
6788 if (! netif_carrier_ok(tp->dev) &&
6789 (mac_stat & (MAC_STATUS_PCS_SYNCED |
6790 MAC_STATUS_SIGNAL_DET))) {
6791 need_setup = 1;
6792 }
6793 if (need_setup) {
3d3ebe74
MC		 6794 if (!tp->serdes_counter) {
6795 tw32_f(MAC_MODE,
6796 (tp->mac_mode &
6797 ~MAC_MODE_PORT_MODE_MASK));
6798 udelay(40);
6799 tw32_f(MAC_MODE, tp->mac_mode);
6800 udelay(40);
6801 }
1da177e4
LT		 6802 tg3_setup_phy(tp, 0);
6803 }
747e8f8b
MC		 6804 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6805 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 6806
6807 tp->timer_counter = tp->timer_multiplier;
6808 }
6809
130b8e4d
MC		 6810 /* Heartbeat is only sent once every 2 seconds.
6811 *
6812 * The heartbeat is to tell the ASF firmware that the host
6813 * driver is still alive. In the event that the OS crashes,
6814 * ASF needs to reset the hardware to free up the FIFO space
6815 * that may be filled with rx packets destined for the host.
6816 * If the FIFO is full, ASF will no longer function properly.
6817 *
6818 * Unintended resets have been reported on real time kernels
6819 * where the timer doesn't run on time. Netpoll will also have
6820 * same problem.
6821 *
6822 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6823 * to check the ring condition when the heartbeat is expiring
6824 * before doing the reset. This will prevent most unintended
6825 * resets.
6826 */
1da177e4
LT		 6827 if (!--tp->asf_counter) {
6828 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6829 u32 val;
6830
bbadf503 6831 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 6832 FWCMD_NICDRV_ALIVE3);
bbadf503 6833 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 6834 /* 5 seconds timeout */
bbadf503 6835 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
1da177e4
LT		 6836 val = tr32(GRC_RX_CPU_EVENT);
6837 val |= (1 << 14);
6838 tw32(GRC_RX_CPU_EVENT, val);
6839 }
6840 tp->asf_counter = tp->asf_multiplier;
6841 }
6842
f47c11ee 6843 spin_unlock(&tp->lock);
1da177e4 6844
f475f163 6845restart_timer:
1da177e4
LT		 6846 tp->timer.expires = jiffies + tp->timer_offset;
6847 add_timer(&tp->timer);
6848}
6849
81789ef5 6850static int tg3_request_irq(struct tg3 *tp)
fcfa0a32 6851{
7d12e780 6852 irq_handler_t fn;
fcfa0a32
MC		 6853 unsigned long flags;
6854 struct net_device *dev = tp->dev;
6855
6856 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6857 fn = tg3_msi;
6858 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6859 fn = tg3_msi_1shot;
1fb9df5d 6860 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6861 } else {
6862 fn = tg3_interrupt;
6863 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6864 fn = tg3_interrupt_tagged;
1fb9df5d 6865 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6866 }
6867 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6868}
6869
7938109f
MC		 6870static int tg3_test_interrupt(struct tg3 *tp)
6871{
6872 struct net_device *dev = tp->dev;
b16250e3 6873 int err, i, intr_ok = 0;
7938109f 6874
d4bc3927
MC		 6875 if (!netif_running(dev))
6876 return -ENODEV;
6877
7938109f
MC		 6878 tg3_disable_ints(tp);
6879
6880 free_irq(tp->pdev->irq, dev);
6881
6882 err = request_irq(tp->pdev->irq, tg3_test_isr,
1fb9df5d 6883 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7938109f
MC		 6884 if (err)
6885 return err;
6886
38f3843e 6887 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 6888 tg3_enable_ints(tp);
6889
6890 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6891 HOSTCC_MODE_NOW);
6892
6893 for (i = 0; i < 5; i++) {
b16250e3
MC		 6894 u32 int_mbox, misc_host_ctrl;
6895
09ee929c
MC		 6896 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6897 TG3_64BIT_REG_LOW);
b16250e3
MC		 6898 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6899
6900 if ((int_mbox != 0) ||
6901 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6902 intr_ok = 1;
7938109f 6903 break;
b16250e3
MC		 6904 }
6905
7938109f
MC		 6906 msleep(10);
6907 }
6908
6909 tg3_disable_ints(tp);
6910
6911 free_irq(tp->pdev->irq, dev);
6aa20a22 6912
fcfa0a32 6913 err = tg3_request_irq(tp);
7938109f
MC		 6914
6915 if (err)
6916 return err;
6917
b16250e3 6918 if (intr_ok)
7938109f
MC		 6919 return 0;
6920
6921 return -EIO;
6922}
6923
6924/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6925 * successfully restored
6926 */
6927static int tg3_test_msi(struct tg3 *tp)
6928{
6929 struct net_device *dev = tp->dev;
6930 int err;
6931 u16 pci_cmd;
6932
6933 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6934 return 0;
6935
6936 /* Turn off SERR reporting in case MSI terminates with Master
6937 * Abort.
6938 */
6939 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6940 pci_write_config_word(tp->pdev, PCI_COMMAND,
6941 pci_cmd & ~PCI_COMMAND_SERR);
6942
6943 err = tg3_test_interrupt(tp);
6944
6945 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6946
6947 if (!err)
6948 return 0;
6949
6950 /* other failures */
6951 if (err != -EIO)
6952 return err;
6953
6954 /* MSI test failed, go back to INTx mode */
6955 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6956 "switching to INTx mode. Please report this failure to "
6957 "the PCI maintainer and include system chipset information.\n",
6958 tp->dev->name);
6959
6960 free_irq(tp->pdev->irq, dev);
6961 pci_disable_msi(tp->pdev);
6962
6963 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6964
fcfa0a32 6965 err = tg3_request_irq(tp);
7938109f
MC		 6966 if (err)
6967 return err;
6968
6969 /* Need to reset the chip because the MSI cycle may have terminated
6970 * with Master Abort.
6971 */
f47c11ee 6972 tg3_full_lock(tp, 1);
7938109f 6973
944d980e 6974 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 6975 err = tg3_init_hw(tp, 1);
7938109f 6976
f47c11ee 6977 tg3_full_unlock(tp);
7938109f
MC		 6978
6979 if (err)
6980 free_irq(tp->pdev->irq, dev);
6981
6982 return err;
6983}
6984
1da177e4
LT		 6985static int tg3_open(struct net_device *dev)
6986{
6987 struct tg3 *tp = netdev_priv(dev);
6988 int err;
6989
c49a1561
MC		 6990 netif_carrier_off(tp->dev);
6991
f47c11ee 6992 tg3_full_lock(tp, 0);
1da177e4 6993
bc1c7567 6994 err = tg3_set_power_state(tp, PCI_D0);
12862086
IS		 6995 if (err) {
6996 tg3_full_unlock(tp);
bc1c7567 6997 return err;
12862086 6998 }
bc1c7567 6999
1da177e4
LT		 7000 tg3_disable_ints(tp);
7001 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7002
f47c11ee 7003 tg3_full_unlock(tp);
1da177e4
LT		 7004
7005 /* The placement of this call is tied
7006 * to the setup and use of Host TX descriptors.
7007 */
7008 err = tg3_alloc_consistent(tp);
7009 if (err)
7010 return err;
7011
88b06bc2
MC		 7012 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
7013 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
d4d2c558
MC		 7014 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
7015 !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7016 (tp->pdev_peer == tp->pdev))) {
fac9b83e
DM		 7017 /* All MSI supporting chips should support tagged
7018 * status. Assert that this is the case.
7019 */
7020 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7021 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7022 "Not using MSI.\n", tp->dev->name);
7023 } else if (pci_enable_msi(tp->pdev) == 0) {
88b06bc2
MC		 7024 u32 msi_mode;
7025
7026 msi_mode = tr32(MSGINT_MODE);
7027 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7028 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7029 }
7030 }
fcfa0a32 7031 err = tg3_request_irq(tp);
1da177e4
LT		 7032
7033 if (err) {
88b06bc2
MC		 7034 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7035 pci_disable_msi(tp->pdev);
7036 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7037 }
1da177e4
LT		 7038 tg3_free_consistent(tp);
7039 return err;
7040 }
7041
f47c11ee 7042 tg3_full_lock(tp, 0);
1da177e4 7043
8e7a22e3 7044 err = tg3_init_hw(tp, 1);
1da177e4 7045 if (err) {
944d980e 7046 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7047 tg3_free_rings(tp);
7048 } else {
fac9b83e
DM		 7049 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7050 tp->timer_offset = HZ;
7051 else
7052 tp->timer_offset = HZ / 10;
7053
7054 BUG_ON(tp->timer_offset > HZ);
7055 tp->timer_counter = tp->timer_multiplier =
7056 (HZ / tp->timer_offset);
7057 tp->asf_counter = tp->asf_multiplier =
28fbef78 7058 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 7059
7060 init_timer(&tp->timer);
7061 tp->timer.expires = jiffies + tp->timer_offset;
7062 tp->timer.data = (unsigned long) tp;
7063 tp->timer.function = tg3_timer;
1da177e4
LT		 7064 }
7065
f47c11ee 7066 tg3_full_unlock(tp);
1da177e4
LT		 7067
7068 if (err) {
88b06bc2
MC		 7069 free_irq(tp->pdev->irq, dev);
7070 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7071 pci_disable_msi(tp->pdev);
7072 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7073 }
1da177e4
LT		 7074 tg3_free_consistent(tp);
7075 return err;
7076 }
7077
7938109f
MC		 7078 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7079 err = tg3_test_msi(tp);
fac9b83e 7080
7938109f 7081 if (err) {
f47c11ee 7082 tg3_full_lock(tp, 0);
7938109f
MC		 7083
7084 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7085 pci_disable_msi(tp->pdev);
7086 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7087 }
944d980e 7088 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 7089 tg3_free_rings(tp);
7090 tg3_free_consistent(tp);
7091
f47c11ee 7092 tg3_full_unlock(tp);
7938109f
MC		 7093
7094 return err;
7095 }
fcfa0a32
MC		 7096
7097 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7098 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
b5d3772c 7099 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 7100
b5d3772c
MC		 7101 tw32(PCIE_TRANSACTION_CFG,
7102 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32
MC		 7103 }
7104 }
7938109f
MC		 7105 }
7106
f47c11ee 7107 tg3_full_lock(tp, 0);
1da177e4 7108
7938109f
MC		 7109 add_timer(&tp->timer);
7110 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 7111 tg3_enable_ints(tp);
7112
f47c11ee 7113 tg3_full_unlock(tp);
1da177e4
LT		 7114
7115 netif_start_queue(dev);
7116
7117 return 0;
7118}
7119
7120#if 0
7121/*static*/ void tg3_dump_state(struct tg3 *tp)
7122{
7123 u32 val32, val32_2, val32_3, val32_4, val32_5;
7124 u16 val16;
7125 int i;
7126
7127 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7128 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7129 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7130 val16, val32);
7131
7132 /* MAC block */
7133 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7134 tr32(MAC_MODE), tr32(MAC_STATUS));
7135 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7136 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7137 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7138 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7139 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7140 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7141
7142 /* Send data initiator control block */
7143 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7144 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7145 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7146 tr32(SNDDATAI_STATSCTRL));
7147
7148 /* Send data completion control block */
7149 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7150
7151 /* Send BD ring selector block */
7152 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7153 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7154
7155 /* Send BD initiator control block */
7156 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7157 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7158
7159 /* Send BD completion control block */
7160 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7161
7162 /* Receive list placement control block */
7163 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7164 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7165 printk(" RCVLPC_STATSCTRL[%08x]\n",
7166 tr32(RCVLPC_STATSCTRL));
7167
7168 /* Receive data and receive BD initiator control block */
7169 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7170 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7171
7172 /* Receive data completion control block */
7173 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7174 tr32(RCVDCC_MODE));
7175
7176 /* Receive BD initiator control block */
7177 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7178 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7179
7180 /* Receive BD completion control block */
7181 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7182 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7183
7184 /* Receive list selector control block */
7185 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7186 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7187
7188 /* Mbuf cluster free block */
7189 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7190 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7191
7192 /* Host coalescing control block */
7193 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7194 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7195 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7196 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7197 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7198 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7199 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7200 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7201 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7202 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7203 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7204 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7205
7206 /* Memory arbiter control block */
7207 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7208 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7209
7210 /* Buffer manager control block */
7211 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7212 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7213 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7214 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7215 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7216 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7217 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7218 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7219
7220 /* Read DMA control block */
7221 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7222 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7223
7224 /* Write DMA control block */
7225 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7226 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7227
7228 /* DMA completion block */
7229 printk("DEBUG: DMAC_MODE[%08x]\n",
7230 tr32(DMAC_MODE));
7231
7232 /* GRC block */
7233 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7234 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7235 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7236 tr32(GRC_LOCAL_CTRL));
7237
7238 /* TG3_BDINFOs */
7239 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7240 tr32(RCVDBDI_JUMBO_BD + 0x0),
7241 tr32(RCVDBDI_JUMBO_BD + 0x4),
7242 tr32(RCVDBDI_JUMBO_BD + 0x8),
7243 tr32(RCVDBDI_JUMBO_BD + 0xc));
7244 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7245 tr32(RCVDBDI_STD_BD + 0x0),
7246 tr32(RCVDBDI_STD_BD + 0x4),
7247 tr32(RCVDBDI_STD_BD + 0x8),
7248 tr32(RCVDBDI_STD_BD + 0xc));
7249 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7250 tr32(RCVDBDI_MINI_BD + 0x0),
7251 tr32(RCVDBDI_MINI_BD + 0x4),
7252 tr32(RCVDBDI_MINI_BD + 0x8),
7253 tr32(RCVDBDI_MINI_BD + 0xc));
7254
7255 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7256 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7257 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7258 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7259 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7260 val32, val32_2, val32_3, val32_4);
7261
7262 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7263 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7264 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7265 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7266 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7267 val32, val32_2, val32_3, val32_4);
7268
7269 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7270 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7271 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7272 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7273 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7274 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7275 val32, val32_2, val32_3, val32_4, val32_5);
7276
7277 /* SW status block */
7278 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7279 tp->hw_status->status,
7280 tp->hw_status->status_tag,
7281 tp->hw_status->rx_jumbo_consumer,
7282 tp->hw_status->rx_consumer,
7283 tp->hw_status->rx_mini_consumer,
7284 tp->hw_status->idx[0].rx_producer,
7285 tp->hw_status->idx[0].tx_consumer);
7286
7287 /* SW statistics block */
7288 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7289 ((u32 *)tp->hw_stats)[0],
7290 ((u32 *)tp->hw_stats)[1],
7291 ((u32 *)tp->hw_stats)[2],
7292 ((u32 *)tp->hw_stats)[3]);
7293
7294 /* Mailboxes */
7295 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 7296 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7297 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7298 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7299 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 7300
7301 /* NIC side send descriptors. */
7302 for (i = 0; i < 6; i++) {
7303 unsigned long txd;
7304
7305 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7306 + (i * sizeof(struct tg3_tx_buffer_desc));
7307 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7308 i,
7309 readl(txd + 0x0), readl(txd + 0x4),
7310 readl(txd + 0x8), readl(txd + 0xc));
7311 }
7312
7313 /* NIC side RX descriptors. */
7314 for (i = 0; i < 6; i++) {
7315 unsigned long rxd;
7316
7317 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7318 + (i * sizeof(struct tg3_rx_buffer_desc));
7319 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7320 i,
7321 readl(rxd + 0x0), readl(rxd + 0x4),
7322 readl(rxd + 0x8), readl(rxd + 0xc));
7323 rxd += (4 * sizeof(u32));
7324 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7325 i,
7326 readl(rxd + 0x0), readl(rxd + 0x4),
7327 readl(rxd + 0x8), readl(rxd + 0xc));
7328 }
7329
7330 for (i = 0; i < 6; i++) {
7331 unsigned long rxd;
7332
7333 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7334 + (i * sizeof(struct tg3_rx_buffer_desc));
7335 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7336 i,
7337 readl(rxd + 0x0), readl(rxd + 0x4),
7338 readl(rxd + 0x8), readl(rxd + 0xc));
7339 rxd += (4 * sizeof(u32));
7340 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7341 i,
7342 readl(rxd + 0x0), readl(rxd + 0x4),
7343 readl(rxd + 0x8), readl(rxd + 0xc));
7344 }
7345}
7346#endif
7347
7348static struct net_device_stats *tg3_get_stats(struct net_device *);
7349static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7350
7351static int tg3_close(struct net_device *dev)
7352{
7353 struct tg3 *tp = netdev_priv(dev);
7354
7faa006f
MC		 7355 /* Calling flush_scheduled_work() may deadlock because
7356 * linkwatch_event() may be on the workqueue and it will try to get
7357 * the rtnl_lock which we are holding.
7358 */
7359 while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7360 msleep(1);
7361
1da177e4
LT		 7362 netif_stop_queue(dev);
7363
7364 del_timer_sync(&tp->timer);
7365
f47c11ee 7366 tg3_full_lock(tp, 1);
1da177e4
LT		 7367#if 0
7368 tg3_dump_state(tp);
7369#endif
7370
7371 tg3_disable_ints(tp);
7372
944d980e 7373 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7374 tg3_free_rings(tp);
7375 tp->tg3_flags &=
7376 ~(TG3_FLAG_INIT_COMPLETE |
7377 TG3_FLAG_GOT_SERDES_FLOWCTL);
1da177e4 7378
f47c11ee 7379 tg3_full_unlock(tp);
1da177e4 7380
88b06bc2
MC		 7381 free_irq(tp->pdev->irq, dev);
7382 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7383 pci_disable_msi(tp->pdev);
7384 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7385 }
1da177e4
LT		 7386
7387 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7388 sizeof(tp->net_stats_prev));
7389 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7390 sizeof(tp->estats_prev));
7391
7392 tg3_free_consistent(tp);
7393
bc1c7567
MC		 7394 tg3_set_power_state(tp, PCI_D3hot);
7395
7396 netif_carrier_off(tp->dev);
7397
1da177e4
LT		 7398 return 0;
7399}
7400
7401static inline unsigned long get_stat64(tg3_stat64_t *val)
7402{
7403 unsigned long ret;
7404
7405#if (BITS_PER_LONG == 32)
7406 ret = val->low;
7407#else
7408 ret = ((u64)val->high << 32) | ((u64)val->low);
7409#endif
7410 return ret;
7411}
7412
7413static unsigned long calc_crc_errors(struct tg3 *tp)
7414{
7415 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7416
7417 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7418 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7419 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 7420 u32 val;
7421
f47c11ee 7422 spin_lock_bh(&tp->lock);
569a5df8
MC		 7423 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7424 tg3_writephy(tp, MII_TG3_TEST1,
7425 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 7426 tg3_readphy(tp, 0x14, &val);
7427 } else
7428 val = 0;
f47c11ee 7429 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7430
7431 tp->phy_crc_errors += val;
7432
7433 return tp->phy_crc_errors;
7434 }
7435
7436 return get_stat64(&hw_stats->rx_fcs_errors);
7437}
7438
7439#define ESTAT_ADD(member) \
7440 estats->member = old_estats->member + \
7441 get_stat64(&hw_stats->member)
7442
7443static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7444{
7445 struct tg3_ethtool_stats *estats = &tp->estats;
7446 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7447 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7448
7449 if (!hw_stats)
7450 return old_estats;
7451
7452 ESTAT_ADD(rx_octets);
7453 ESTAT_ADD(rx_fragments);
7454 ESTAT_ADD(rx_ucast_packets);
7455 ESTAT_ADD(rx_mcast_packets);
7456 ESTAT_ADD(rx_bcast_packets);
7457 ESTAT_ADD(rx_fcs_errors);
7458 ESTAT_ADD(rx_align_errors);
7459 ESTAT_ADD(rx_xon_pause_rcvd);
7460 ESTAT_ADD(rx_xoff_pause_rcvd);
7461 ESTAT_ADD(rx_mac_ctrl_rcvd);
7462 ESTAT_ADD(rx_xoff_entered);
7463 ESTAT_ADD(rx_frame_too_long_errors);
7464 ESTAT_ADD(rx_jabbers);
7465 ESTAT_ADD(rx_undersize_packets);
7466 ESTAT_ADD(rx_in_length_errors);
7467 ESTAT_ADD(rx_out_length_errors);
7468 ESTAT_ADD(rx_64_or_less_octet_packets);
7469 ESTAT_ADD(rx_65_to_127_octet_packets);
7470 ESTAT_ADD(rx_128_to_255_octet_packets);
7471 ESTAT_ADD(rx_256_to_511_octet_packets);
7472 ESTAT_ADD(rx_512_to_1023_octet_packets);
7473 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7474 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7475 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7476 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7477 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7478
7479 ESTAT_ADD(tx_octets);
7480 ESTAT_ADD(tx_collisions);
7481 ESTAT_ADD(tx_xon_sent);
7482 ESTAT_ADD(tx_xoff_sent);
7483 ESTAT_ADD(tx_flow_control);
7484 ESTAT_ADD(tx_mac_errors);
7485 ESTAT_ADD(tx_single_collisions);
7486 ESTAT_ADD(tx_mult_collisions);
7487 ESTAT_ADD(tx_deferred);
7488 ESTAT_ADD(tx_excessive_collisions);
7489 ESTAT_ADD(tx_late_collisions);
7490 ESTAT_ADD(tx_collide_2times);
7491 ESTAT_ADD(tx_collide_3times);
7492 ESTAT_ADD(tx_collide_4times);
7493 ESTAT_ADD(tx_collide_5times);
7494 ESTAT_ADD(tx_collide_6times);
7495 ESTAT_ADD(tx_collide_7times);
7496 ESTAT_ADD(tx_collide_8times);
7497 ESTAT_ADD(tx_collide_9times);
7498 ESTAT_ADD(tx_collide_10times);
7499 ESTAT_ADD(tx_collide_11times);
7500 ESTAT_ADD(tx_collide_12times);
7501 ESTAT_ADD(tx_collide_13times);
7502 ESTAT_ADD(tx_collide_14times);
7503 ESTAT_ADD(tx_collide_15times);
7504 ESTAT_ADD(tx_ucast_packets);
7505 ESTAT_ADD(tx_mcast_packets);
7506 ESTAT_ADD(tx_bcast_packets);
7507 ESTAT_ADD(tx_carrier_sense_errors);
7508 ESTAT_ADD(tx_discards);
7509 ESTAT_ADD(tx_errors);
7510
7511 ESTAT_ADD(dma_writeq_full);
7512 ESTAT_ADD(dma_write_prioq_full);
7513 ESTAT_ADD(rxbds_empty);
7514 ESTAT_ADD(rx_discards);
7515 ESTAT_ADD(rx_errors);
7516 ESTAT_ADD(rx_threshold_hit);
7517
7518 ESTAT_ADD(dma_readq_full);
7519 ESTAT_ADD(dma_read_prioq_full);
7520 ESTAT_ADD(tx_comp_queue_full);
7521
7522 ESTAT_ADD(ring_set_send_prod_index);
7523 ESTAT_ADD(ring_status_update);
7524 ESTAT_ADD(nic_irqs);
7525 ESTAT_ADD(nic_avoided_irqs);
7526 ESTAT_ADD(nic_tx_threshold_hit);
7527
7528 return estats;
7529}
7530
7531static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7532{
7533 struct tg3 *tp = netdev_priv(dev);
7534 struct net_device_stats *stats = &tp->net_stats;
7535 struct net_device_stats *old_stats = &tp->net_stats_prev;
7536 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7537
7538 if (!hw_stats)
7539 return old_stats;
7540
7541 stats->rx_packets = old_stats->rx_packets +
7542 get_stat64(&hw_stats->rx_ucast_packets) +
7543 get_stat64(&hw_stats->rx_mcast_packets) +
7544 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 7545
1da177e4
LT		 7546 stats->tx_packets = old_stats->tx_packets +
7547 get_stat64(&hw_stats->tx_ucast_packets) +
7548 get_stat64(&hw_stats->tx_mcast_packets) +
7549 get_stat64(&hw_stats->tx_bcast_packets);
7550
7551 stats->rx_bytes = old_stats->rx_bytes +
7552 get_stat64(&hw_stats->rx_octets);
7553 stats->tx_bytes = old_stats->tx_bytes +
7554 get_stat64(&hw_stats->tx_octets);
7555
7556 stats->rx_errors = old_stats->rx_errors +
4f63b877 7557 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 7558 stats->tx_errors = old_stats->tx_errors +
7559 get_stat64(&hw_stats->tx_errors) +
7560 get_stat64(&hw_stats->tx_mac_errors) +
7561 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7562 get_stat64(&hw_stats->tx_discards);
7563
7564 stats->multicast = old_stats->multicast +
7565 get_stat64(&hw_stats->rx_mcast_packets);
7566 stats->collisions = old_stats->collisions +
7567 get_stat64(&hw_stats->tx_collisions);
7568
7569 stats->rx_length_errors = old_stats->rx_length_errors +
7570 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7571 get_stat64(&hw_stats->rx_undersize_packets);
7572
7573 stats->rx_over_errors = old_stats->rx_over_errors +
7574 get_stat64(&hw_stats->rxbds_empty);
7575 stats->rx_frame_errors = old_stats->rx_frame_errors +
7576 get_stat64(&hw_stats->rx_align_errors);
7577 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7578 get_stat64(&hw_stats->tx_discards);
7579 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7580 get_stat64(&hw_stats->tx_carrier_sense_errors);
7581
7582 stats->rx_crc_errors = old_stats->rx_crc_errors +
7583 calc_crc_errors(tp);
7584
4f63b877
JL		 7585 stats->rx_missed_errors = old_stats->rx_missed_errors +
7586 get_stat64(&hw_stats->rx_discards);
7587
1da177e4
LT		 7588 return stats;
7589}
7590
7591static inline u32 calc_crc(unsigned char *buf, int len)
7592{
7593 u32 reg;
7594 u32 tmp;
7595 int j, k;
7596
7597 reg = 0xffffffff;
7598
7599 for (j = 0; j < len; j++) {
7600 reg ^= buf[j];
7601
7602 for (k = 0; k < 8; k++) {
7603 tmp = reg & 0x01;
7604
7605 reg >>= 1;
7606
7607 if (tmp) {
7608 reg ^= 0xedb88320;
7609 }
7610 }
7611 }
7612
7613 return ~reg;
7614}
7615
7616static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7617{
7618 /* accept or reject all multicast frames */
7619 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7620 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7621 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7622 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7623}
7624
7625static void __tg3_set_rx_mode(struct net_device *dev)
7626{
7627 struct tg3 *tp = netdev_priv(dev);
7628 u32 rx_mode;
7629
7630 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7631 RX_MODE_KEEP_VLAN_TAG);
7632
7633 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7634 * flag clear.
7635 */
7636#if TG3_VLAN_TAG_USED
7637 if (!tp->vlgrp &&
7638 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7639 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7640#else
7641 /* By definition, VLAN is disabled always in this
7642 * case.
7643 */
7644 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7645 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7646#endif
7647
7648 if (dev->flags & IFF_PROMISC) {
7649 /* Promiscuous mode. */
7650 rx_mode |= RX_MODE_PROMISC;
7651 } else if (dev->flags & IFF_ALLMULTI) {
7652 /* Accept all multicast. */
7653 tg3_set_multi (tp, 1);
7654 } else if (dev->mc_count < 1) {
7655 /* Reject all multicast. */
7656 tg3_set_multi (tp, 0);
7657 } else {
7658 /* Accept one or more multicast(s). */
7659 struct dev_mc_list *mclist;
7660 unsigned int i;
7661 u32 mc_filter[4] = { 0, };
7662 u32 regidx;
7663 u32 bit;
7664 u32 crc;
7665
7666 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7667 i++, mclist = mclist->next) {
7668
7669 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7670 bit = ~crc & 0x7f;
7671 regidx = (bit & 0x60) >> 5;
7672 bit &= 0x1f;
7673 mc_filter[regidx] |= (1 << bit);
7674 }
7675
7676 tw32(MAC_HASH_REG_0, mc_filter[0]);
7677 tw32(MAC_HASH_REG_1, mc_filter[1]);
7678 tw32(MAC_HASH_REG_2, mc_filter[2]);
7679 tw32(MAC_HASH_REG_3, mc_filter[3]);
7680 }
7681
7682 if (rx_mode != tp->rx_mode) {
7683 tp->rx_mode = rx_mode;
7684 tw32_f(MAC_RX_MODE, rx_mode);
7685 udelay(10);
7686 }
7687}
7688
7689static void tg3_set_rx_mode(struct net_device *dev)
7690{
7691 struct tg3 *tp = netdev_priv(dev);
7692
e75f7c90
MC		 7693 if (!netif_running(dev))
7694 return;
7695
f47c11ee 7696 tg3_full_lock(tp, 0);
1da177e4 7697 __tg3_set_rx_mode(dev);
f47c11ee 7698 tg3_full_unlock(tp);
1da177e4
LT		 7699}
7700
7701#define TG3_REGDUMP_LEN (32 * 1024)
7702
7703static int tg3_get_regs_len(struct net_device *dev)
7704{
7705 return TG3_REGDUMP_LEN;
7706}
7707
7708static void tg3_get_regs(struct net_device *dev,
7709 struct ethtool_regs *regs, void *_p)
7710{
7711 u32 *p = _p;
7712 struct tg3 *tp = netdev_priv(dev);
7713 u8 *orig_p = _p;
7714 int i;
7715
7716 regs->version = 0;
7717
7718 memset(p, 0, TG3_REGDUMP_LEN);
7719
bc1c7567
MC		 7720 if (tp->link_config.phy_is_low_power)
7721 return;
7722
f47c11ee 7723 tg3_full_lock(tp, 0);
1da177e4
LT		 7724
7725#define __GET_REG32(reg) (*(p)++ = tr32(reg))
7726#define GET_REG32_LOOP(base,len) \
7727do { p = (u32 *)(orig_p + (base)); \
7728 for (i = 0; i < len; i += 4) \
7729 __GET_REG32((base) + i); \
7730} while (0)
7731#define GET_REG32_1(reg) \
7732do { p = (u32 *)(orig_p + (reg)); \
7733 __GET_REG32((reg)); \
7734} while (0)
7735
7736 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7737 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7738 GET_REG32_LOOP(MAC_MODE, 0x4f0);
7739 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7740 GET_REG32_1(SNDDATAC_MODE);
7741 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7742 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7743 GET_REG32_1(SNDBDC_MODE);
7744 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7745 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7746 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7747 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7748 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7749 GET_REG32_1(RCVDCC_MODE);
7750 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7751 GET_REG32_LOOP(RCVCC_MODE, 0x14);
7752 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7753 GET_REG32_1(MBFREE_MODE);
7754 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7755 GET_REG32_LOOP(MEMARB_MODE, 0x10);
7756 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7757 GET_REG32_LOOP(RDMAC_MODE, 0x08);
7758 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 7759 GET_REG32_1(RX_CPU_MODE);
7760 GET_REG32_1(RX_CPU_STATE);
7761 GET_REG32_1(RX_CPU_PGMCTR);
7762 GET_REG32_1(RX_CPU_HWBKPT);
7763 GET_REG32_1(TX_CPU_MODE);
7764 GET_REG32_1(TX_CPU_STATE);
7765 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 7766 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7767 GET_REG32_LOOP(FTQ_RESET, 0x120);
7768 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7769 GET_REG32_1(DMAC_MODE);
7770 GET_REG32_LOOP(GRC_MODE, 0x4c);
7771 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7772 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7773
7774#undef __GET_REG32
7775#undef GET_REG32_LOOP
7776#undef GET_REG32_1
7777
f47c11ee 7778 tg3_full_unlock(tp);
1da177e4
LT		 7779}
7780
7781static int tg3_get_eeprom_len(struct net_device *dev)
7782{
7783 struct tg3 *tp = netdev_priv(dev);
7784
7785 return tp->nvram_size;
7786}
7787
7788static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
1820180b 7789static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
1da177e4
LT		 7790
7791static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7792{
7793 struct tg3 *tp = netdev_priv(dev);
7794 int ret;
7795 u8 *pd;
7796 u32 i, offset, len, val, b_offset, b_count;
7797
bc1c7567
MC		 7798 if (tp->link_config.phy_is_low_power)
7799 return -EAGAIN;
7800
1da177e4
LT		 7801 offset = eeprom->offset;
7802 len = eeprom->len;
7803 eeprom->len = 0;
7804
7805 eeprom->magic = TG3_EEPROM_MAGIC;
7806
7807 if (offset & 3) {
7808 /* adjustments to start on required 4 byte boundary */
7809 b_offset = offset & 3;
7810 b_count = 4 - b_offset;
7811 if (b_count > len) {
7812 /* i.e. offset=1 len=2 */
7813 b_count = len;
7814 }
7815 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7816 if (ret)
7817 return ret;
7818 val = cpu_to_le32(val);
7819 memcpy(data, ((char*)&val) + b_offset, b_count);
7820 len -= b_count;
7821 offset += b_count;
7822 eeprom->len += b_count;
7823 }
7824
7825 /* read bytes upto the last 4 byte boundary */
7826 pd = &data[eeprom->len];
7827 for (i = 0; i < (len - (len & 3)); i += 4) {
7828 ret = tg3_nvram_read(tp, offset + i, &val);
7829 if (ret) {
7830 eeprom->len += i;
7831 return ret;
7832 }
7833 val = cpu_to_le32(val);
7834 memcpy(pd + i, &val, 4);
7835 }
7836 eeprom->len += i;
7837
7838 if (len & 3) {
7839 /* read last bytes not ending on 4 byte boundary */
7840 pd = &data[eeprom->len];
7841 b_count = len & 3;
7842 b_offset = offset + len - b_count;
7843 ret = tg3_nvram_read(tp, b_offset, &val);
7844 if (ret)
7845 return ret;
7846 val = cpu_to_le32(val);
7847 memcpy(pd, ((char*)&val), b_count);
7848 eeprom->len += b_count;
7849 }
7850 return 0;
7851}
7852
6aa20a22 7853static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 7854
7855static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7856{
7857 struct tg3 *tp = netdev_priv(dev);
7858 int ret;
7859 u32 offset, len, b_offset, odd_len, start, end;
7860 u8 *buf;
7861
bc1c7567
MC		 7862 if (tp->link_config.phy_is_low_power)
7863 return -EAGAIN;
7864
1da177e4
LT		 7865 if (eeprom->magic != TG3_EEPROM_MAGIC)
7866 return -EINVAL;
7867
7868 offset = eeprom->offset;
7869 len = eeprom->len;
7870
7871 if ((b_offset = (offset & 3))) {
7872 /* adjustments to start on required 4 byte boundary */
7873 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7874 if (ret)
7875 return ret;
7876 start = cpu_to_le32(start);
7877 len += b_offset;
7878 offset &= ~3;
1c8594b4
MC		 7879 if (len < 4)
7880 len = 4;
1da177e4
LT		 7881 }
7882
7883 odd_len = 0;
1c8594b4 7884 if (len & 3) {
1da177e4
LT		 7885 /* adjustments to end on required 4 byte boundary */
7886 odd_len = 1;
7887 len = (len + 3) & ~3;
7888 ret = tg3_nvram_read(tp, offset+len-4, &end);
7889 if (ret)
7890 return ret;
7891 end = cpu_to_le32(end);
7892 }
7893
7894 buf = data;
7895 if (b_offset || odd_len) {
7896 buf = kmalloc(len, GFP_KERNEL);
7897 if (buf == 0)
7898 return -ENOMEM;
7899 if (b_offset)
7900 memcpy(buf, &start, 4);
7901 if (odd_len)
7902 memcpy(buf+len-4, &end, 4);
7903 memcpy(buf + b_offset, data, eeprom->len);
7904 }
7905
7906 ret = tg3_nvram_write_block(tp, offset, len, buf);
7907
7908 if (buf != data)
7909 kfree(buf);
7910
7911 return ret;
7912}
7913
7914static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7915{
7916 struct tg3 *tp = netdev_priv(dev);
6aa20a22 7917
1da177e4
LT		 7918 cmd->supported = (SUPPORTED_Autoneg);
7919
7920 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7921 cmd->supported |= (SUPPORTED_1000baseT_Half |
7922 SUPPORTED_1000baseT_Full);
7923
ef348144 7924 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 7925 cmd->supported |= (SUPPORTED_100baseT_Half |
7926 SUPPORTED_100baseT_Full |
7927 SUPPORTED_10baseT_Half |
7928 SUPPORTED_10baseT_Full |
7929 SUPPORTED_MII);
ef348144
KK		 7930 cmd->port = PORT_TP;
7931 } else {
1da177e4 7932 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 7933 cmd->port = PORT_FIBRE;
7934 }
6aa20a22 7935
1da177e4
LT		 7936 cmd->advertising = tp->link_config.advertising;
7937 if (netif_running(dev)) {
7938 cmd->speed = tp->link_config.active_speed;
7939 cmd->duplex = tp->link_config.active_duplex;
7940 }
1da177e4
LT		 7941 cmd->phy_address = PHY_ADDR;
7942 cmd->transceiver = 0;
7943 cmd->autoneg = tp->link_config.autoneg;
7944 cmd->maxtxpkt = 0;
7945 cmd->maxrxpkt = 0;
7946 return 0;
7947}
6aa20a22 7948
1da177e4
LT		 7949static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7950{
7951 struct tg3 *tp = netdev_priv(dev);
6aa20a22
JG		 7952
7953 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
1da177e4
LT		 7954 /* These are the only valid advertisement bits allowed. */
7955 if (cmd->autoneg == AUTONEG_ENABLE &&
7956 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7957 ADVERTISED_1000baseT_Full |
7958 ADVERTISED_Autoneg |
7959 ADVERTISED_FIBRE)))
7960 return -EINVAL;
37ff238d
MC		 7961 /* Fiber can only do SPEED_1000. */
7962 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7963 (cmd->speed != SPEED_1000))
7964 return -EINVAL;
7965 /* Copper cannot force SPEED_1000. */
7966 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7967 (cmd->speed == SPEED_1000))
7968 return -EINVAL;
7969 else if ((cmd->speed == SPEED_1000) &&
7970 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7971 return -EINVAL;
1da177e4 7972
f47c11ee 7973 tg3_full_lock(tp, 0);
1da177e4
LT		 7974
7975 tp->link_config.autoneg = cmd->autoneg;
7976 if (cmd->autoneg == AUTONEG_ENABLE) {
7977 tp->link_config.advertising = cmd->advertising;
7978 tp->link_config.speed = SPEED_INVALID;
7979 tp->link_config.duplex = DUPLEX_INVALID;
7980 } else {
7981 tp->link_config.advertising = 0;
7982 tp->link_config.speed = cmd->speed;
7983 tp->link_config.duplex = cmd->duplex;
7984 }
6aa20a22 7985
24fcad6b
MC		 7986 tp->link_config.orig_speed = tp->link_config.speed;
7987 tp->link_config.orig_duplex = tp->link_config.duplex;
7988 tp->link_config.orig_autoneg = tp->link_config.autoneg;
7989
1da177e4
LT		 7990 if (netif_running(dev))
7991 tg3_setup_phy(tp, 1);
7992
f47c11ee 7993 tg3_full_unlock(tp);
6aa20a22 7994
1da177e4
LT		 7995 return 0;
7996}
6aa20a22 7997
1da177e4
LT		 7998static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7999{
8000 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8001
1da177e4
LT		 8002 strcpy(info->driver, DRV_MODULE_NAME);
8003 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 8004 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 8005 strcpy(info->bus_info, pci_name(tp->pdev));
8006}
6aa20a22 8007
1da177e4
LT		 8008static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8009{
8010 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8011
1da177e4
LT		 8012 wol->supported = WAKE_MAGIC;
8013 wol->wolopts = 0;
8014 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8015 wol->wolopts = WAKE_MAGIC;
8016 memset(&wol->sopass, 0, sizeof(wol->sopass));
8017}
6aa20a22 8018
1da177e4
LT		 8019static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8020{
8021 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8022
1da177e4
LT		 8023 if (wol->wolopts & ~WAKE_MAGIC)
8024 return -EINVAL;
8025 if ((wol->wolopts & WAKE_MAGIC) &&
3f7045c1 8026 tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
1da177e4
LT		 8027 !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8028 return -EINVAL;
6aa20a22 8029
f47c11ee 8030 spin_lock_bh(&tp->lock);
1da177e4
LT		 8031 if (wol->wolopts & WAKE_MAGIC)
8032 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8033 else
8034 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
f47c11ee 8035 spin_unlock_bh(&tp->lock);
6aa20a22 8036
1da177e4
LT		 8037 return 0;
8038}
6aa20a22 8039
1da177e4
LT		 8040static u32 tg3_get_msglevel(struct net_device *dev)
8041{
8042 struct tg3 *tp = netdev_priv(dev);
8043 return tp->msg_enable;
8044}
6aa20a22 8045
1da177e4
LT		 8046static void tg3_set_msglevel(struct net_device *dev, u32 value)
8047{
8048 struct tg3 *tp = netdev_priv(dev);
8049 tp->msg_enable = value;
8050}
6aa20a22 8051
1da177e4
LT		 8052static int tg3_set_tso(struct net_device *dev, u32 value)
8053{
8054 struct tg3 *tp = netdev_priv(dev);
8055
8056 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8057 if (value)
8058 return -EINVAL;
8059 return 0;
8060 }
b5d3772c
MC		 8061 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8062 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
b0026624
MC		 8063 if (value)
8064 dev->features |= NETIF_F_TSO6;
8065 else
8066 dev->features &= ~NETIF_F_TSO6;
8067 }
1da177e4
LT		 8068 return ethtool_op_set_tso(dev, value);
8069}
6aa20a22 8070
1da177e4
LT		 8071static int tg3_nway_reset(struct net_device *dev)
8072{
8073 struct tg3 *tp = netdev_priv(dev);
8074 u32 bmcr;
8075 int r;
6aa20a22 8076
1da177e4
LT		 8077 if (!netif_running(dev))
8078 return -EAGAIN;
8079
c94e3941
MC		 8080 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8081 return -EINVAL;
8082
f47c11ee 8083 spin_lock_bh(&tp->lock);
1da177e4
LT		 8084 r = -EINVAL;
8085 tg3_readphy(tp, MII_BMCR, &bmcr);
8086 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
c94e3941
MC		 8087 ((bmcr & BMCR_ANENABLE) ||
8088 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8089 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8090 BMCR_ANENABLE);
1da177e4
LT		 8091 r = 0;
8092 }
f47c11ee 8093 spin_unlock_bh(&tp->lock);
6aa20a22 8094
1da177e4
LT		 8095 return r;
8096}
6aa20a22 8097
1da177e4
LT		 8098static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8099{
8100 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8101
1da177e4
LT		 8102 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8103 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 8104 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8105 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8106 else
8107 ering->rx_jumbo_max_pending = 0;
8108
8109 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 8110
8111 ering->rx_pending = tp->rx_pending;
8112 ering->rx_mini_pending = 0;
4f81c32b
MC		 8113 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8114 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8115 else
8116 ering->rx_jumbo_pending = 0;
8117
1da177e4
LT		 8118 ering->tx_pending = tp->tx_pending;
8119}
6aa20a22 8120
1da177e4
LT		 8121static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8122{
8123 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8124 int irq_sync = 0, err = 0;
6aa20a22 8125
1da177e4
LT		 8126 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8127 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 8128 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8129 (ering->tx_pending <= MAX_SKB_FRAGS) ||
8130 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG) &&
8131 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 8132 return -EINVAL;
6aa20a22 8133
bbe832c0 8134 if (netif_running(dev)) {
1da177e4 8135 tg3_netif_stop(tp);
bbe832c0
MC		 8136 irq_sync = 1;
8137 }
1da177e4 8138
bbe832c0 8139 tg3_full_lock(tp, irq_sync);
6aa20a22 8140
1da177e4
LT		 8141 tp->rx_pending = ering->rx_pending;
8142
8143 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8144 tp->rx_pending > 63)
8145 tp->rx_pending = 63;
8146 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8147 tp->tx_pending = ering->tx_pending;
8148
8149 if (netif_running(dev)) {
944d980e 8150 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8151 err = tg3_restart_hw(tp, 1);
8152 if (!err)
8153 tg3_netif_start(tp);
1da177e4
LT		 8154 }
8155
f47c11ee 8156 tg3_full_unlock(tp);
6aa20a22 8157
b9ec6c1b 8158 return err;
1da177e4 8159}
6aa20a22 8160
1da177e4
LT		 8161static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8162{
8163 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8164
1da177e4
LT		 8165 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8166 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8167 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8168}
6aa20a22 8169
1da177e4
LT		 8170static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8171{
8172 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8173 int irq_sync = 0, err = 0;
6aa20a22 8174
bbe832c0 8175 if (netif_running(dev)) {
1da177e4 8176 tg3_netif_stop(tp);
bbe832c0
MC		 8177 irq_sync = 1;
8178 }
1da177e4 8179
bbe832c0 8180 tg3_full_lock(tp, irq_sync);
f47c11ee 8181
1da177e4
LT		 8182 if (epause->autoneg)
8183 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8184 else
8185 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8186 if (epause->rx_pause)
8187 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8188 else
8189 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8190 if (epause->tx_pause)
8191 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8192 else
8193 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8194
8195 if (netif_running(dev)) {
944d980e 8196 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8197 err = tg3_restart_hw(tp, 1);
8198 if (!err)
8199 tg3_netif_start(tp);
1da177e4 8200 }
f47c11ee
DM		 8201
8202 tg3_full_unlock(tp);
6aa20a22 8203
b9ec6c1b 8204 return err;
1da177e4 8205}
6aa20a22 8206
1da177e4
LT		 8207static u32 tg3_get_rx_csum(struct net_device *dev)
8208{
8209 struct tg3 *tp = netdev_priv(dev);
8210 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8211}
6aa20a22 8212
1da177e4
LT		 8213static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8214{
8215 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8216
1da177e4
LT		 8217 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8218 if (data != 0)
8219 return -EINVAL;
8220 return 0;
8221 }
6aa20a22 8222
f47c11ee 8223 spin_lock_bh(&tp->lock);
1da177e4
LT		 8224 if (data)
8225 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8226 else
8227 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 8228 spin_unlock_bh(&tp->lock);
6aa20a22 8229
1da177e4
LT		 8230 return 0;
8231}
6aa20a22 8232
1da177e4
LT		 8233static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8234{
8235 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8236
1da177e4
LT		 8237 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8238 if (data != 0)
8239 return -EINVAL;
8240 return 0;
8241 }
6aa20a22 8242
af36e6b6
MC		 8243 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8244 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf 8245 ethtool_op_set_tx_hw_csum(dev, data);
1da177e4 8246 else
9c27dbdf 8247 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 8248
8249 return 0;
8250}
8251
8252static int tg3_get_stats_count (struct net_device *dev)
8253{
8254 return TG3_NUM_STATS;
8255}
8256
4cafd3f5
MC		 8257static int tg3_get_test_count (struct net_device *dev)
8258{
8259 return TG3_NUM_TEST;
8260}
8261
1da177e4
LT		 8262static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8263{
8264 switch (stringset) {
8265 case ETH_SS_STATS:
8266 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8267 break;
4cafd3f5
MC		 8268 case ETH_SS_TEST:
8269 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8270 break;
1da177e4
LT		 8271 default:
8272 WARN_ON(1); /* we need a WARN() */
8273 break;
8274 }
8275}
8276
4009a93d
MC		 8277static int tg3_phys_id(struct net_device *dev, u32 data)
8278{
8279 struct tg3 *tp = netdev_priv(dev);
8280 int i;
8281
8282 if (!netif_running(tp->dev))
8283 return -EAGAIN;
8284
8285 if (data == 0)
8286 data = 2;
8287
8288 for (i = 0; i < (data * 2); i++) {
8289 if ((i % 2) == 0)
8290 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8291 LED_CTRL_1000MBPS_ON |
8292 LED_CTRL_100MBPS_ON |
8293 LED_CTRL_10MBPS_ON |
8294 LED_CTRL_TRAFFIC_OVERRIDE |
8295 LED_CTRL_TRAFFIC_BLINK |
8296 LED_CTRL_TRAFFIC_LED);
6aa20a22 8297
4009a93d
MC		 8298 else
8299 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8300 LED_CTRL_TRAFFIC_OVERRIDE);
8301
8302 if (msleep_interruptible(500))
8303 break;
8304 }
8305 tw32(MAC_LED_CTRL, tp->led_ctrl);
8306 return 0;
8307}
8308
1da177e4
LT		 8309static void tg3_get_ethtool_stats (struct net_device *dev,
8310 struct ethtool_stats *estats, u64 *tmp_stats)
8311{
8312 struct tg3 *tp = netdev_priv(dev);
8313 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8314}
8315
566f86ad 8316#define NVRAM_TEST_SIZE 0x100
1b27777a 8317#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
b16250e3
MC		 8318#define NVRAM_SELFBOOT_HW_SIZE 0x20
8319#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 8320
8321static int tg3_test_nvram(struct tg3 *tp)
8322{
1b27777a
MC		 8323 u32 *buf, csum, magic;
8324 int i, j, err = 0, size;
566f86ad 8325
1820180b 8326 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1b27777a
MC		 8327 return -EIO;
8328
1b27777a
MC		 8329 if (magic == TG3_EEPROM_MAGIC)
8330 size = NVRAM_TEST_SIZE;
b16250e3 8331 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8332 if ((magic & 0xe00000) == 0x200000)
8333 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8334 else
8335 return 0;
b16250e3
MC		 8336 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8337 size = NVRAM_SELFBOOT_HW_SIZE;
8338 else
1b27777a
MC		 8339 return -EIO;
8340
8341 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 8342 if (buf == NULL)
8343 return -ENOMEM;
8344
1b27777a
MC		 8345 err = -EIO;
8346 for (i = 0, j = 0; i < size; i += 4, j++) {
566f86ad
MC		 8347 u32 val;
8348
8349 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8350 break;
8351 buf[j] = cpu_to_le32(val);
8352 }
1b27777a 8353 if (i < size)
566f86ad
MC		 8354 goto out;
8355
1b27777a 8356 /* Selfboot format */
b16250e3
MC		 8357 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8358 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8359 u8 *buf8 = (u8 *) buf, csum8 = 0;
8360
8361 for (i = 0; i < size; i++)
8362 csum8 += buf8[i];
8363
ad96b485
AB		 8364 if (csum8 == 0) {
8365 err = 0;
8366 goto out;
8367 }
8368
8369 err = -EIO;
8370 goto out;
1b27777a 8371 }
566f86ad 8372
b16250e3
MC		 8373 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8374 TG3_EEPROM_MAGIC_HW) {
8375 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8376 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8377 u8 *buf8 = (u8 *) buf;
8378 int j, k;
8379
8380 /* Separate the parity bits and the data bytes. */
8381 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8382 if ((i == 0) || (i == 8)) {
8383 int l;
8384 u8 msk;
8385
8386 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8387 parity[k++] = buf8[i] & msk;
8388 i++;
8389 }
8390 else if (i == 16) {
8391 int l;
8392 u8 msk;
8393
8394 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8395 parity[k++] = buf8[i] & msk;
8396 i++;
8397
8398 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8399 parity[k++] = buf8[i] & msk;
8400 i++;
8401 }
8402 data[j++] = buf8[i];
8403 }
8404
8405 err = -EIO;
8406 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8407 u8 hw8 = hweight8(data[i]);
8408
8409 if ((hw8 & 0x1) && parity[i])
8410 goto out;
8411 else if (!(hw8 & 0x1) && !parity[i])
8412 goto out;
8413 }
8414 err = 0;
8415 goto out;
8416 }
8417
566f86ad
MC		 8418 /* Bootstrap checksum at offset 0x10 */
8419 csum = calc_crc((unsigned char *) buf, 0x10);
8420 if(csum != cpu_to_le32(buf[0x10/4]))
8421 goto out;
8422
8423 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8424 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8425 if (csum != cpu_to_le32(buf[0xfc/4]))
8426 goto out;
8427
8428 err = 0;
8429
8430out:
8431 kfree(buf);
8432 return err;
8433}
8434
ca43007a
MC		 8435#define TG3_SERDES_TIMEOUT_SEC 2
8436#define TG3_COPPER_TIMEOUT_SEC 6
8437
8438static int tg3_test_link(struct tg3 *tp)
8439{
8440 int i, max;
8441
8442 if (!netif_running(tp->dev))
8443 return -ENODEV;
8444
4c987487 8445 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 8446 max = TG3_SERDES_TIMEOUT_SEC;
8447 else
8448 max = TG3_COPPER_TIMEOUT_SEC;
8449
8450 for (i = 0; i < max; i++) {
8451 if (netif_carrier_ok(tp->dev))
8452 return 0;
8453
8454 if (msleep_interruptible(1000))
8455 break;
8456 }
8457
8458 return -EIO;
8459}
8460
a71116d1 8461/* Only test the commonly used registers */
30ca3e37 8462static int tg3_test_registers(struct tg3 *tp)
a71116d1 8463{
b16250e3 8464 int i, is_5705, is_5750;
a71116d1
MC		 8465 u32 offset, read_mask, write_mask, val, save_val, read_val;
8466 static struct {
8467 u16 offset;
8468 u16 flags;
8469#define TG3_FL_5705 0x1
8470#define TG3_FL_NOT_5705 0x2
8471#define TG3_FL_NOT_5788 0x4
b16250e3 8472#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 8473 u32 read_mask;
8474 u32 write_mask;
8475 } reg_tbl[] = {
8476 /* MAC Control Registers */
8477 { MAC_MODE, TG3_FL_NOT_5705,
8478 0x00000000, 0x00ef6f8c },
8479 { MAC_MODE, TG3_FL_5705,
8480 0x00000000, 0x01ef6b8c },
8481 { MAC_STATUS, TG3_FL_NOT_5705,
8482 0x03800107, 0x00000000 },
8483 { MAC_STATUS, TG3_FL_5705,
8484 0x03800100, 0x00000000 },
8485 { MAC_ADDR_0_HIGH, 0x0000,
8486 0x00000000, 0x0000ffff },
8487 { MAC_ADDR_0_LOW, 0x0000,
8488 0x00000000, 0xffffffff },
8489 { MAC_RX_MTU_SIZE, 0x0000,
8490 0x00000000, 0x0000ffff },
8491 { MAC_TX_MODE, 0x0000,
8492 0x00000000, 0x00000070 },
8493 { MAC_TX_LENGTHS, 0x0000,
8494 0x00000000, 0x00003fff },
8495 { MAC_RX_MODE, TG3_FL_NOT_5705,
8496 0x00000000, 0x000007fc },
8497 { MAC_RX_MODE, TG3_FL_5705,
8498 0x00000000, 0x000007dc },
8499 { MAC_HASH_REG_0, 0x0000,
8500 0x00000000, 0xffffffff },
8501 { MAC_HASH_REG_1, 0x0000,
8502 0x00000000, 0xffffffff },
8503 { MAC_HASH_REG_2, 0x0000,
8504 0x00000000, 0xffffffff },
8505 { MAC_HASH_REG_3, 0x0000,
8506 0x00000000, 0xffffffff },
8507
8508 /* Receive Data and Receive BD Initiator Control Registers. */
8509 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8510 0x00000000, 0xffffffff },
8511 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8512 0x00000000, 0xffffffff },
8513 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8514 0x00000000, 0x00000003 },
8515 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8516 0x00000000, 0xffffffff },
8517 { RCVDBDI_STD_BD+0, 0x0000,
8518 0x00000000, 0xffffffff },
8519 { RCVDBDI_STD_BD+4, 0x0000,
8520 0x00000000, 0xffffffff },
8521 { RCVDBDI_STD_BD+8, 0x0000,
8522 0x00000000, 0xffff0002 },
8523 { RCVDBDI_STD_BD+0xc, 0x0000,
8524 0x00000000, 0xffffffff },
6aa20a22 8525
a71116d1
MC		 8526 /* Receive BD Initiator Control Registers. */
8527 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8528 0x00000000, 0xffffffff },
8529 { RCVBDI_STD_THRESH, TG3_FL_5705,
8530 0x00000000, 0x000003ff },
8531 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8532 0x00000000, 0xffffffff },
6aa20a22 8533
a71116d1
MC		 8534 /* Host Coalescing Control Registers. */
8535 { HOSTCC_MODE, TG3_FL_NOT_5705,
8536 0x00000000, 0x00000004 },
8537 { HOSTCC_MODE, TG3_FL_5705,
8538 0x00000000, 0x000000f6 },
8539 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8540 0x00000000, 0xffffffff },
8541 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8542 0x00000000, 0x000003ff },
8543 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8544 0x00000000, 0xffffffff },
8545 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8546 0x00000000, 0x000003ff },
8547 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8548 0x00000000, 0xffffffff },
8549 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8550 0x00000000, 0x000000ff },
8551 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8552 0x00000000, 0xffffffff },
8553 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8554 0x00000000, 0x000000ff },
8555 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8556 0x00000000, 0xffffffff },
8557 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8558 0x00000000, 0xffffffff },
8559 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8560 0x00000000, 0xffffffff },
8561 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8562 0x00000000, 0x000000ff },
8563 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8564 0x00000000, 0xffffffff },
8565 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8566 0x00000000, 0x000000ff },
8567 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8568 0x00000000, 0xffffffff },
8569 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8570 0x00000000, 0xffffffff },
8571 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8572 0x00000000, 0xffffffff },
8573 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8574 0x00000000, 0xffffffff },
8575 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8576 0x00000000, 0xffffffff },
8577 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8578 0xffffffff, 0x00000000 },
8579 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8580 0xffffffff, 0x00000000 },
8581
8582 /* Buffer Manager Control Registers. */
b16250e3 8583 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 8584 0x00000000, 0x007fff80 },
b16250e3 8585 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 8586 0x00000000, 0x007fffff },
8587 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8588 0x00000000, 0x0000003f },
8589 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8590 0x00000000, 0x000001ff },
8591 { BUFMGR_MB_HIGH_WATER, 0x0000,
8592 0x00000000, 0x000001ff },
8593 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8594 0xffffffff, 0x00000000 },
8595 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8596 0xffffffff, 0x00000000 },
6aa20a22 8597
a71116d1
MC		 8598 /* Mailbox Registers */
8599 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8600 0x00000000, 0x000001ff },
8601 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8602 0x00000000, 0x000001ff },
8603 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8604 0x00000000, 0x000007ff },
8605 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8606 0x00000000, 0x000001ff },
8607
8608 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8609 };
8610
b16250e3
MC		 8611 is_5705 = is_5750 = 0;
8612 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 8613 is_5705 = 1;
b16250e3
MC		 8614 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8615 is_5750 = 1;
8616 }
a71116d1
MC		 8617
8618 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8619 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8620 continue;
8621
8622 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8623 continue;
8624
8625 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8626 (reg_tbl[i].flags & TG3_FL_NOT_5788))
8627 continue;
8628
b16250e3
MC		 8629 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8630 continue;
8631
a71116d1
MC		 8632 offset = (u32) reg_tbl[i].offset;
8633 read_mask = reg_tbl[i].read_mask;
8634 write_mask = reg_tbl[i].write_mask;
8635
8636 /* Save the original register content */
8637 save_val = tr32(offset);
8638
8639 /* Determine the read-only value. */
8640 read_val = save_val & read_mask;
8641
8642 /* Write zero to the register, then make sure the read-only bits
8643 * are not changed and the read/write bits are all zeros.
8644 */
8645 tw32(offset, 0);
8646
8647 val = tr32(offset);
8648
8649 /* Test the read-only and read/write bits. */
8650 if (((val & read_mask) != read_val) || (val & write_mask))
8651 goto out;
8652
8653 /* Write ones to all the bits defined by RdMask and WrMask, then
8654 * make sure the read-only bits are not changed and the
8655 * read/write bits are all ones.
8656 */
8657 tw32(offset, read_mask | write_mask);
8658
8659 val = tr32(offset);
8660
8661 /* Test the read-only bits. */
8662 if ((val & read_mask) != read_val)
8663 goto out;
8664
8665 /* Test the read/write bits. */
8666 if ((val & write_mask) != write_mask)
8667 goto out;
8668
8669 tw32(offset, save_val);
8670 }
8671
8672 return 0;
8673
8674out:
9f88f29f
MC		 8675 if (netif_msg_hw(tp))
8676 printk(KERN_ERR PFX "Register test failed at offset %x\n",
8677 offset);
a71116d1
MC		 8678 tw32(offset, save_val);
8679 return -EIO;
8680}
8681
7942e1db
MC		 8682static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8683{
f71e1309 8684 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 8685 int i;
8686 u32 j;
8687
8688 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8689 for (j = 0; j < len; j += 4) {
8690 u32 val;
8691
8692 tg3_write_mem(tp, offset + j, test_pattern[i]);
8693 tg3_read_mem(tp, offset + j, &val);
8694 if (val != test_pattern[i])
8695 return -EIO;
8696 }
8697 }
8698 return 0;
8699}
8700
8701static int tg3_test_memory(struct tg3 *tp)
8702{
8703 static struct mem_entry {
8704 u32 offset;
8705 u32 len;
8706 } mem_tbl_570x[] = {
38690194 8707 { 0x00000000, 0x00b50},
7942e1db
MC		 8708 { 0x00002000, 0x1c000},
8709 { 0xffffffff, 0x00000}
8710 }, mem_tbl_5705[] = {
8711 { 0x00000100, 0x0000c},
8712 { 0x00000200, 0x00008},
7942e1db
MC		 8713 { 0x00004000, 0x00800},
8714 { 0x00006000, 0x01000},
8715 { 0x00008000, 0x02000},
8716 { 0x00010000, 0x0e000},
8717 { 0xffffffff, 0x00000}
79f4d13a
MC		 8718 }, mem_tbl_5755[] = {
8719 { 0x00000200, 0x00008},
8720 { 0x00004000, 0x00800},
8721 { 0x00006000, 0x00800},
8722 { 0x00008000, 0x02000},
8723 { 0x00010000, 0x0c000},
8724 { 0xffffffff, 0x00000}
b16250e3
MC		 8725 }, mem_tbl_5906[] = {
8726 { 0x00000200, 0x00008},
8727 { 0x00004000, 0x00400},
8728 { 0x00006000, 0x00400},
8729 { 0x00008000, 0x01000},
8730 { 0x00010000, 0x01000},
8731 { 0xffffffff, 0x00000}
7942e1db
MC		 8732 };
8733 struct mem_entry *mem_tbl;
8734 int err = 0;
8735 int i;
8736
79f4d13a 8737 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
af36e6b6
MC		 8738 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8739 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
79f4d13a 8740 mem_tbl = mem_tbl_5755;
b16250e3
MC		 8741 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8742 mem_tbl = mem_tbl_5906;
79f4d13a
MC		 8743 else
8744 mem_tbl = mem_tbl_5705;
8745 } else
7942e1db
MC		 8746 mem_tbl = mem_tbl_570x;
8747
8748 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8749 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8750 mem_tbl[i].len)) != 0)
8751 break;
8752 }
6aa20a22 8753
7942e1db
MC		 8754 return err;
8755}
8756
9f40dead
MC		 8757#define TG3_MAC_LOOPBACK 0
8758#define TG3_PHY_LOOPBACK 1
8759
8760static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 8761{
9f40dead 8762 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
c76949a6
MC		 8763 u32 desc_idx;
8764 struct sk_buff *skb, *rx_skb;
8765 u8 *tx_data;
8766 dma_addr_t map;
8767 int num_pkts, tx_len, rx_len, i, err;
8768 struct tg3_rx_buffer_desc *desc;
8769
9f40dead 8770 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 8771 /* HW errata - mac loopback fails in some cases on 5780.
8772 * Normal traffic and PHY loopback are not affected by
8773 * errata.
8774 */
8775 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8776 return 0;
8777
9f40dead 8778 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
3f7045c1
MC		 8779 MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8780 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8781 mac_mode |= MAC_MODE_PORT_MODE_MII;
8782 else
8783 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 8784 tw32(MAC_MODE, mac_mode);
8785 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 8786 u32 val;
8787
b16250e3
MC		 8788 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8789 u32 phytest;
8790
8791 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8792 u32 phy;
8793
8794 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8795 phytest | MII_TG3_EPHY_SHADOW_EN);
8796 if (!tg3_readphy(tp, 0x1b, &phy))
8797 tg3_writephy(tp, 0x1b, phy & ~0x20);
8798 if (!tg3_readphy(tp, 0x10, &phy))
8799 tg3_writephy(tp, 0x10, phy & ~0x4000);
8800 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8801 }
5d64ad34
MC		 8802 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8803 } else
8804 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1
MC		 8805
8806 tg3_writephy(tp, MII_BMCR, val);
c94e3941 8807 udelay(40);
5d64ad34
MC		 8808
8809 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8810 MAC_MODE_LINK_POLARITY;
8811 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
b16250e3 8812 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
5d64ad34
MC		 8813 mac_mode |= MAC_MODE_PORT_MODE_MII;
8814 } else
8815 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 8816
c94e3941
MC		 8817 /* reset to prevent losing 1st rx packet intermittently */
8818 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8819 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8820 udelay(10);
8821 tw32_f(MAC_RX_MODE, tp->rx_mode);
8822 }
ff18ff02 8823 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
9f40dead 8824 mac_mode &= ~MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 8825 tg3_writephy(tp, MII_TG3_EXT_CTRL,
8826 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8827 }
9f40dead 8828 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 8829 }
8830 else
8831 return -EINVAL;
c76949a6
MC		 8832
8833 err = -EIO;
8834
c76949a6 8835 tx_len = 1514;
a20e9c62 8836 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 8837 if (!skb)
8838 return -ENOMEM;
8839
c76949a6
MC		 8840 tx_data = skb_put(skb, tx_len);
8841 memcpy(tx_data, tp->dev->dev_addr, 6);
8842 memset(tx_data + 6, 0x0, 8);
8843
8844 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8845
8846 for (i = 14; i < tx_len; i++)
8847 tx_data[i] = (u8) (i & 0xff);
8848
8849 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8850
8851 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8852 HOSTCC_MODE_NOW);
8853
8854 udelay(10);
8855
8856 rx_start_idx = tp->hw_status->idx[0].rx_producer;
8857
c76949a6
MC		 8858 num_pkts = 0;
8859
9f40dead 8860 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
c76949a6 8861
9f40dead 8862 tp->tx_prod++;
c76949a6
MC		 8863 num_pkts++;
8864
9f40dead
MC		 8865 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8866 tp->tx_prod);
09ee929c 8867 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
c76949a6
MC		 8868
8869 udelay(10);
8870
3f7045c1
MC		 8871 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
8872 for (i = 0; i < 25; i++) {
c76949a6
MC		 8873 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8874 HOSTCC_MODE_NOW);
8875
8876 udelay(10);
8877
8878 tx_idx = tp->hw_status->idx[0].tx_consumer;
8879 rx_idx = tp->hw_status->idx[0].rx_producer;
9f40dead 8880 if ((tx_idx == tp->tx_prod) &&
c76949a6
MC		 8881 (rx_idx == (rx_start_idx + num_pkts)))
8882 break;
8883 }
8884
8885 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8886 dev_kfree_skb(skb);
8887
9f40dead 8888 if (tx_idx != tp->tx_prod)
c76949a6
MC		 8889 goto out;
8890
8891 if (rx_idx != rx_start_idx + num_pkts)
8892 goto out;
8893
8894 desc = &tp->rx_rcb[rx_start_idx];
8895 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8896 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8897 if (opaque_key != RXD_OPAQUE_RING_STD)
8898 goto out;
8899
8900 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8901 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8902 goto out;
8903
8904 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8905 if (rx_len != tx_len)
8906 goto out;
8907
8908 rx_skb = tp->rx_std_buffers[desc_idx].skb;
8909
8910 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8911 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8912
8913 for (i = 14; i < tx_len; i++) {
8914 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8915 goto out;
8916 }
8917 err = 0;
6aa20a22 8918
c76949a6
MC		 8919 /* tg3_free_rings will unmap and free the rx_skb */
8920out:
8921 return err;
8922}
8923
9f40dead
MC		 8924#define TG3_MAC_LOOPBACK_FAILED 1
8925#define TG3_PHY_LOOPBACK_FAILED 2
8926#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
8927 TG3_PHY_LOOPBACK_FAILED)
8928
8929static int tg3_test_loopback(struct tg3 *tp)
8930{
8931 int err = 0;
8932
8933 if (!netif_running(tp->dev))
8934 return TG3_LOOPBACK_FAILED;
8935
b9ec6c1b
MC		 8936 err = tg3_reset_hw(tp, 1);
8937 if (err)
8938 return TG3_LOOPBACK_FAILED;
9f40dead
MC		 8939
8940 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8941 err |= TG3_MAC_LOOPBACK_FAILED;
8942 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8943 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8944 err |= TG3_PHY_LOOPBACK_FAILED;
8945 }
8946
8947 return err;
8948}
8949
4cafd3f5
MC		 8950static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8951 u64 *data)
8952{
566f86ad
MC		 8953 struct tg3 *tp = netdev_priv(dev);
8954
bc1c7567
MC		 8955 if (tp->link_config.phy_is_low_power)
8956 tg3_set_power_state(tp, PCI_D0);
8957
566f86ad
MC		 8958 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8959
8960 if (tg3_test_nvram(tp) != 0) {
8961 etest->flags |= ETH_TEST_FL_FAILED;
8962 data[0] = 1;
8963 }
ca43007a
MC		 8964 if (tg3_test_link(tp) != 0) {
8965 etest->flags |= ETH_TEST_FL_FAILED;
8966 data[1] = 1;
8967 }
a71116d1 8968 if (etest->flags & ETH_TEST_FL_OFFLINE) {
ec41c7df 8969 int err, irq_sync = 0;
bbe832c0
MC		 8970
8971 if (netif_running(dev)) {
a71116d1 8972 tg3_netif_stop(tp);
bbe832c0
MC		 8973 irq_sync = 1;
8974 }
a71116d1 8975
bbe832c0 8976 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 8977
8978 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 8979 err = tg3_nvram_lock(tp);
a71116d1
MC		 8980 tg3_halt_cpu(tp, RX_CPU_BASE);
8981 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8982 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 8983 if (!err)
8984 tg3_nvram_unlock(tp);
a71116d1 8985
d9ab5ad1
MC		 8986 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8987 tg3_phy_reset(tp);
8988
a71116d1
MC		 8989 if (tg3_test_registers(tp) != 0) {
8990 etest->flags |= ETH_TEST_FL_FAILED;
8991 data[2] = 1;
8992 }
7942e1db
MC		 8993 if (tg3_test_memory(tp) != 0) {
8994 etest->flags |= ETH_TEST_FL_FAILED;
8995 data[3] = 1;
8996 }
9f40dead 8997 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 8998 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 8999
f47c11ee
DM		 9000 tg3_full_unlock(tp);
9001
d4bc3927
MC		 9002 if (tg3_test_interrupt(tp) != 0) {
9003 etest->flags |= ETH_TEST_FL_FAILED;
9004 data[5] = 1;
9005 }
f47c11ee
DM		 9006
9007 tg3_full_lock(tp, 0);
d4bc3927 9008
a71116d1
MC		 9009 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9010 if (netif_running(dev)) {
9011 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 9012 if (!tg3_restart_hw(tp, 1))
9013 tg3_netif_start(tp);
a71116d1 9014 }
f47c11ee
DM		 9015
9016 tg3_full_unlock(tp);
a71116d1 9017 }
bc1c7567
MC		 9018 if (tp->link_config.phy_is_low_power)
9019 tg3_set_power_state(tp, PCI_D3hot);
9020
4cafd3f5
MC		 9021}
9022
1da177e4
LT		 9023static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9024{
9025 struct mii_ioctl_data *data = if_mii(ifr);
9026 struct tg3 *tp = netdev_priv(dev);
9027 int err;
9028
9029 switch(cmd) {
9030 case SIOCGMIIPHY:
9031 data->phy_id = PHY_ADDR;
9032
9033 /* fallthru */
9034 case SIOCGMIIREG: {
9035 u32 mii_regval;
9036
9037 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9038 break; /* We have no PHY */
9039
bc1c7567
MC		 9040 if (tp->link_config.phy_is_low_power)
9041 return -EAGAIN;
9042
f47c11ee 9043 spin_lock_bh(&tp->lock);
1da177e4 9044 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 9045 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9046
9047 data->val_out = mii_regval;
9048
9049 return err;
9050 }
9051
9052 case SIOCSMIIREG:
9053 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9054 break; /* We have no PHY */
9055
9056 if (!capable(CAP_NET_ADMIN))
9057 return -EPERM;
9058
bc1c7567
MC		 9059 if (tp->link_config.phy_is_low_power)
9060 return -EAGAIN;
9061
f47c11ee 9062 spin_lock_bh(&tp->lock);
1da177e4 9063 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 9064 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9065
9066 return err;
9067
9068 default:
9069 /* do nothing */
9070 break;
9071 }
9072 return -EOPNOTSUPP;
9073}
9074
9075#if TG3_VLAN_TAG_USED
9076static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9077{
9078 struct tg3 *tp = netdev_priv(dev);
9079
29315e87
MC		 9080 if (netif_running(dev))
9081 tg3_netif_stop(tp);
9082
f47c11ee 9083 tg3_full_lock(tp, 0);
1da177e4
LT		 9084
9085 tp->vlgrp = grp;
9086
9087 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9088 __tg3_set_rx_mode(dev);
9089
f47c11ee 9090 tg3_full_unlock(tp);
29315e87
MC		 9091
9092 if (netif_running(dev))
9093 tg3_netif_start(tp);
1da177e4
LT		 9094}
9095
9096static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9097{
9098 struct tg3 *tp = netdev_priv(dev);
9099
29315e87
MC		 9100 if (netif_running(dev))
9101 tg3_netif_stop(tp);
9102
f47c11ee 9103 tg3_full_lock(tp, 0);
1da177e4
LT		 9104 if (tp->vlgrp)
9105 tp->vlgrp->vlan_devices[vid] = NULL;
f47c11ee 9106 tg3_full_unlock(tp);
29315e87
MC		 9107
9108 if (netif_running(dev))
9109 tg3_netif_start(tp);
1da177e4
LT		 9110}
9111#endif
9112
15f9850d
DM		 9113static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9114{
9115 struct tg3 *tp = netdev_priv(dev);
9116
9117 memcpy(ec, &tp->coal, sizeof(*ec));
9118 return 0;
9119}
9120
d244c892
MC		 9121static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9122{
9123 struct tg3 *tp = netdev_priv(dev);
9124 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9125 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9126
9127 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9128 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9129 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9130 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9131 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9132 }
9133
9134 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9135 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9136 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9137 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9138 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9139 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9140 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9141 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9142 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9143 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9144 return -EINVAL;
9145
9146 /* No rx interrupts will be generated if both are zero */
9147 if ((ec->rx_coalesce_usecs == 0) &&
9148 (ec->rx_max_coalesced_frames == 0))
9149 return -EINVAL;
9150
9151 /* No tx interrupts will be generated if both are zero */
9152 if ((ec->tx_coalesce_usecs == 0) &&
9153 (ec->tx_max_coalesced_frames == 0))
9154 return -EINVAL;
9155
9156 /* Only copy relevant parameters, ignore all others. */
9157 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9158 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9159 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9160 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9161 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9162 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9163 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9164 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9165 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9166
9167 if (netif_running(dev)) {
9168 tg3_full_lock(tp, 0);
9169 __tg3_set_coalesce(tp, &tp->coal);
9170 tg3_full_unlock(tp);
9171 }
9172 return 0;
9173}
9174
7282d491 9175static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 9176 .get_settings = tg3_get_settings,
9177 .set_settings = tg3_set_settings,
9178 .get_drvinfo = tg3_get_drvinfo,
9179 .get_regs_len = tg3_get_regs_len,
9180 .get_regs = tg3_get_regs,
9181 .get_wol = tg3_get_wol,
9182 .set_wol = tg3_set_wol,
9183 .get_msglevel = tg3_get_msglevel,
9184 .set_msglevel = tg3_set_msglevel,
9185 .nway_reset = tg3_nway_reset,
9186 .get_link = ethtool_op_get_link,
9187 .get_eeprom_len = tg3_get_eeprom_len,
9188 .get_eeprom = tg3_get_eeprom,
9189 .set_eeprom = tg3_set_eeprom,
9190 .get_ringparam = tg3_get_ringparam,
9191 .set_ringparam = tg3_set_ringparam,
9192 .get_pauseparam = tg3_get_pauseparam,
9193 .set_pauseparam = tg3_set_pauseparam,
9194 .get_rx_csum = tg3_get_rx_csum,
9195 .set_rx_csum = tg3_set_rx_csum,
9196 .get_tx_csum = ethtool_op_get_tx_csum,
9197 .set_tx_csum = tg3_set_tx_csum,
9198 .get_sg = ethtool_op_get_sg,
9199 .set_sg = ethtool_op_set_sg,
1da177e4
LT		 9200 .get_tso = ethtool_op_get_tso,
9201 .set_tso = tg3_set_tso,
4cafd3f5
MC		 9202 .self_test_count = tg3_get_test_count,
9203 .self_test = tg3_self_test,
1da177e4 9204 .get_strings = tg3_get_strings,
4009a93d 9205 .phys_id = tg3_phys_id,
1da177e4
LT		 9206 .get_stats_count = tg3_get_stats_count,
9207 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 9208 .get_coalesce = tg3_get_coalesce,
d244c892 9209 .set_coalesce = tg3_set_coalesce,
2ff43697 9210 .get_perm_addr = ethtool_op_get_perm_addr,
1da177e4
LT		 9211};
9212
9213static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9214{
1b27777a 9215 u32 cursize, val, magic;
1da177e4
LT		 9216
9217 tp->nvram_size = EEPROM_CHIP_SIZE;
9218
1820180b 9219 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1da177e4
LT		 9220 return;
9221
b16250e3
MC		 9222 if ((magic != TG3_EEPROM_MAGIC) &&
9223 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9224 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 9225 return;
9226
9227 /*
9228 * Size the chip by reading offsets at increasing powers of two.
9229 * When we encounter our validation signature, we know the addressing
9230 * has wrapped around, and thus have our chip size.
9231 */
1b27777a 9232 cursize = 0x10;
1da177e4
LT		 9233
9234 while (cursize < tp->nvram_size) {
1820180b 9235 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
1da177e4
LT		 9236 return;
9237
1820180b 9238 if (val == magic)
1da177e4
LT		 9239 break;
9240
9241 cursize <<= 1;
9242 }
9243
9244 tp->nvram_size = cursize;
9245}
6aa20a22 9246
1da177e4
LT		 9247static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9248{
9249 u32 val;
9250
1820180b 9251 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
1b27777a
MC		 9252 return;
9253
9254 /* Selfboot format */
1820180b 9255 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 9256 tg3_get_eeprom_size(tp);
9257 return;
9258 }
9259
1da177e4
LT		 9260 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9261 if (val != 0) {
9262 tp->nvram_size = (val >> 16) * 1024;
9263 return;
9264 }
9265 }
9266 tp->nvram_size = 0x20000;
9267}
9268
9269static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9270{
9271 u32 nvcfg1;
9272
9273 nvcfg1 = tr32(NVRAM_CFG1);
9274 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9275 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9276 }
9277 else {
9278 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9279 tw32(NVRAM_CFG1, nvcfg1);
9280 }
9281
4c987487 9282 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 9283 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 9284 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9285 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9286 tp->nvram_jedecnum = JEDEC_ATMEL;
9287 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9288 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9289 break;
9290 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9291 tp->nvram_jedecnum = JEDEC_ATMEL;
9292 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9293 break;
9294 case FLASH_VENDOR_ATMEL_EEPROM:
9295 tp->nvram_jedecnum = JEDEC_ATMEL;
9296 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9297 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9298 break;
9299 case FLASH_VENDOR_ST:
9300 tp->nvram_jedecnum = JEDEC_ST;
9301 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9302 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9303 break;
9304 case FLASH_VENDOR_SAIFUN:
9305 tp->nvram_jedecnum = JEDEC_SAIFUN;
9306 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9307 break;
9308 case FLASH_VENDOR_SST_SMALL:
9309 case FLASH_VENDOR_SST_LARGE:
9310 tp->nvram_jedecnum = JEDEC_SST;
9311 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9312 break;
9313 }
9314 }
9315 else {
9316 tp->nvram_jedecnum = JEDEC_ATMEL;
9317 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9318 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9319 }
9320}
9321
361b4ac2
MC		 9322static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9323{
9324 u32 nvcfg1;
9325
9326 nvcfg1 = tr32(NVRAM_CFG1);
9327
e6af301b
MC		 9328 /* NVRAM protection for TPM */
9329 if (nvcfg1 & (1 << 27))
9330 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9331
361b4ac2
MC		 9332 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9333 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9334 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9335 tp->nvram_jedecnum = JEDEC_ATMEL;
9336 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9337 break;
9338 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9339 tp->nvram_jedecnum = JEDEC_ATMEL;
9340 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9341 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9342 break;
9343 case FLASH_5752VENDOR_ST_M45PE10:
9344 case FLASH_5752VENDOR_ST_M45PE20:
9345 case FLASH_5752VENDOR_ST_M45PE40:
9346 tp->nvram_jedecnum = JEDEC_ST;
9347 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9348 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9349 break;
9350 }
9351
9352 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9353 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9354 case FLASH_5752PAGE_SIZE_256:
9355 tp->nvram_pagesize = 256;
9356 break;
9357 case FLASH_5752PAGE_SIZE_512:
9358 tp->nvram_pagesize = 512;
9359 break;
9360 case FLASH_5752PAGE_SIZE_1K:
9361 tp->nvram_pagesize = 1024;
9362 break;
9363 case FLASH_5752PAGE_SIZE_2K:
9364 tp->nvram_pagesize = 2048;
9365 break;
9366 case FLASH_5752PAGE_SIZE_4K:
9367 tp->nvram_pagesize = 4096;
9368 break;
9369 case FLASH_5752PAGE_SIZE_264:
9370 tp->nvram_pagesize = 264;
9371 break;
9372 }
9373 }
9374 else {
9375 /* For eeprom, set pagesize to maximum eeprom size */
9376 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9377
9378 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9379 tw32(NVRAM_CFG1, nvcfg1);
9380 }
9381}
9382
d3c7b886
MC		 9383static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9384{
9385 u32 nvcfg1;
9386
9387 nvcfg1 = tr32(NVRAM_CFG1);
9388
9389 /* NVRAM protection for TPM */
9390 if (nvcfg1 & (1 << 27))
9391 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9392
9393 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9394 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9395 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9396 tp->nvram_jedecnum = JEDEC_ATMEL;
9397 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9398 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9399
9400 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9401 tw32(NVRAM_CFG1, nvcfg1);
9402 break;
9403 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9404 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9405 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9406 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9407 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9408 tp->nvram_jedecnum = JEDEC_ATMEL;
9409 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9410 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9411 tp->nvram_pagesize = 264;
9412 break;
9413 case FLASH_5752VENDOR_ST_M45PE10:
9414 case FLASH_5752VENDOR_ST_M45PE20:
9415 case FLASH_5752VENDOR_ST_M45PE40:
9416 tp->nvram_jedecnum = JEDEC_ST;
9417 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9418 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9419 tp->nvram_pagesize = 256;
9420 break;
9421 }
9422}
9423
1b27777a
MC		 9424static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9425{
9426 u32 nvcfg1;
9427
9428 nvcfg1 = tr32(NVRAM_CFG1);
9429
9430 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9431 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9432 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9433 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9434 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9435 tp->nvram_jedecnum = JEDEC_ATMEL;
9436 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9437 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9438
9439 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9440 tw32(NVRAM_CFG1, nvcfg1);
9441 break;
9442 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9443 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9444 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9445 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9446 tp->nvram_jedecnum = JEDEC_ATMEL;
9447 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9448 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9449 tp->nvram_pagesize = 264;
9450 break;
9451 case FLASH_5752VENDOR_ST_M45PE10:
9452 case FLASH_5752VENDOR_ST_M45PE20:
9453 case FLASH_5752VENDOR_ST_M45PE40:
9454 tp->nvram_jedecnum = JEDEC_ST;
9455 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9456 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9457 tp->nvram_pagesize = 256;
9458 break;
9459 }
9460}
9461
b5d3772c
MC		 9462static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9463{
9464 tp->nvram_jedecnum = JEDEC_ATMEL;
9465 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9466 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9467}
9468
1da177e4
LT		 9469/* Chips other than 5700/5701 use the NVRAM for fetching info. */
9470static void __devinit tg3_nvram_init(struct tg3 *tp)
9471{
1da177e4
LT		 9472 tw32_f(GRC_EEPROM_ADDR,
9473 (EEPROM_ADDR_FSM_RESET |
9474 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9475 EEPROM_ADDR_CLKPERD_SHIFT)));
9476
9d57f01c 9477 msleep(1);
1da177e4
LT		 9478
9479 /* Enable seeprom accesses. */
9480 tw32_f(GRC_LOCAL_CTRL,
9481 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9482 udelay(100);
9483
9484 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9485 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9486 tp->tg3_flags |= TG3_FLAG_NVRAM;
9487
ec41c7df
MC		 9488 if (tg3_nvram_lock(tp)) {
9489 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9490 "tg3_nvram_init failed.\n", tp->dev->name);
9491 return;
9492 }
e6af301b 9493 tg3_enable_nvram_access(tp);
1da177e4 9494
361b4ac2
MC		 9495 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9496 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 9497 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9498 tg3_get_5755_nvram_info(tp);
1b27777a
MC		 9499 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9500 tg3_get_5787_nvram_info(tp);
b5d3772c
MC		 9501 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9502 tg3_get_5906_nvram_info(tp);
361b4ac2
MC		 9503 else
9504 tg3_get_nvram_info(tp);
9505
1da177e4
LT		 9506 tg3_get_nvram_size(tp);
9507
e6af301b 9508 tg3_disable_nvram_access(tp);
381291b7 9509 tg3_nvram_unlock(tp);
1da177e4
LT		 9510
9511 } else {
9512 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9513
9514 tg3_get_eeprom_size(tp);
9515 }
9516}
9517
9518static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9519 u32 offset, u32 *val)
9520{
9521 u32 tmp;
9522 int i;
9523
9524 if (offset > EEPROM_ADDR_ADDR_MASK ||
9525 (offset % 4) != 0)
9526 return -EINVAL;
9527
9528 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9529 EEPROM_ADDR_DEVID_MASK |
9530 EEPROM_ADDR_READ);
9531 tw32(GRC_EEPROM_ADDR,
9532 tmp |
9533 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9534 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9535 EEPROM_ADDR_ADDR_MASK) |
9536 EEPROM_ADDR_READ | EEPROM_ADDR_START);
9537
9d57f01c 9538 for (i = 0; i < 1000; i++) {
1da177e4
LT		 9539 tmp = tr32(GRC_EEPROM_ADDR);
9540
9541 if (tmp & EEPROM_ADDR_COMPLETE)
9542 break;
9d57f01c 9543 msleep(1);
1da177e4
LT		 9544 }
9545 if (!(tmp & EEPROM_ADDR_COMPLETE))
9546 return -EBUSY;
9547
9548 *val = tr32(GRC_EEPROM_DATA);
9549 return 0;
9550}
9551
9552#define NVRAM_CMD_TIMEOUT 10000
9553
9554static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9555{
9556 int i;
9557
9558 tw32(NVRAM_CMD, nvram_cmd);
9559 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9560 udelay(10);
9561 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9562 udelay(10);
9563 break;
9564 }
9565 }
9566 if (i == NVRAM_CMD_TIMEOUT) {
9567 return -EBUSY;
9568 }
9569 return 0;
9570}
9571
1820180b
MC		 9572static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9573{
9574 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9575 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9576 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9577 (tp->nvram_jedecnum == JEDEC_ATMEL))
9578
9579 addr = ((addr / tp->nvram_pagesize) <<
9580 ATMEL_AT45DB0X1B_PAGE_POS) +
9581 (addr % tp->nvram_pagesize);
9582
9583 return addr;
9584}
9585
c4e6575c
MC		 9586static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9587{
9588 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9589 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9590 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9591 (tp->nvram_jedecnum == JEDEC_ATMEL))
9592
9593 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9594 tp->nvram_pagesize) +
9595 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9596
9597 return addr;
9598}
9599
1da177e4
LT		 9600static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9601{
9602 int ret;
9603
1da177e4
LT		 9604 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9605 return tg3_nvram_read_using_eeprom(tp, offset, val);
9606
1820180b 9607 offset = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9608
9609 if (offset > NVRAM_ADDR_MSK)
9610 return -EINVAL;
9611
ec41c7df
MC		 9612 ret = tg3_nvram_lock(tp);
9613 if (ret)
9614 return ret;
1da177e4 9615
e6af301b 9616 tg3_enable_nvram_access(tp);
1da177e4
LT		 9617
9618 tw32(NVRAM_ADDR, offset);
9619 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9620 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9621
9622 if (ret == 0)
9623 *val = swab32(tr32(NVRAM_RDDATA));
9624
e6af301b 9625 tg3_disable_nvram_access(tp);
1da177e4 9626
381291b7
MC		 9627 tg3_nvram_unlock(tp);
9628
1da177e4
LT		 9629 return ret;
9630}
9631
1820180b
MC		 9632static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9633{
9634 int err;
9635 u32 tmp;
9636
9637 err = tg3_nvram_read(tp, offset, &tmp);
9638 *val = swab32(tmp);
9639 return err;
9640}
9641
1da177e4
LT		 9642static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9643 u32 offset, u32 len, u8 *buf)
9644{
9645 int i, j, rc = 0;
9646 u32 val;
9647
9648 for (i = 0; i < len; i += 4) {
9649 u32 addr, data;
9650
9651 addr = offset + i;
9652
9653 memcpy(&data, buf + i, 4);
9654
9655 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9656
9657 val = tr32(GRC_EEPROM_ADDR);
9658 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9659
9660 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9661 EEPROM_ADDR_READ);
9662 tw32(GRC_EEPROM_ADDR, val |
9663 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9664 (addr & EEPROM_ADDR_ADDR_MASK) |
9665 EEPROM_ADDR_START |
9666 EEPROM_ADDR_WRITE);
6aa20a22 9667
9d57f01c 9668 for (j = 0; j < 1000; j++) {
1da177e4
LT		 9669 val = tr32(GRC_EEPROM_ADDR);
9670
9671 if (val & EEPROM_ADDR_COMPLETE)
9672 break;
9d57f01c 9673 msleep(1);
1da177e4
LT		 9674 }
9675 if (!(val & EEPROM_ADDR_COMPLETE)) {
9676 rc = -EBUSY;
9677 break;
9678 }
9679 }
9680
9681 return rc;
9682}
9683
9684/* offset and length are dword aligned */
9685static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9686 u8 *buf)
9687{
9688 int ret = 0;
9689 u32 pagesize = tp->nvram_pagesize;
9690 u32 pagemask = pagesize - 1;
9691 u32 nvram_cmd;
9692 u8 *tmp;
9693
9694 tmp = kmalloc(pagesize, GFP_KERNEL);
9695 if (tmp == NULL)
9696 return -ENOMEM;
9697
9698 while (len) {
9699 int j;
e6af301b 9700 u32 phy_addr, page_off, size;
1da177e4
LT		 9701
9702 phy_addr = offset & ~pagemask;
6aa20a22 9703
1da177e4
LT		 9704 for (j = 0; j < pagesize; j += 4) {
9705 if ((ret = tg3_nvram_read(tp, phy_addr + j,
9706 (u32 *) (tmp + j))))
9707 break;
9708 }
9709 if (ret)
9710 break;
9711
9712 page_off = offset & pagemask;
9713 size = pagesize;
9714 if (len < size)
9715 size = len;
9716
9717 len -= size;
9718
9719 memcpy(tmp + page_off, buf, size);
9720
9721 offset = offset + (pagesize - page_off);
9722
e6af301b 9723 tg3_enable_nvram_access(tp);
1da177e4
LT		 9724
9725 /*
9726 * Before we can erase the flash page, we need
9727 * to issue a special "write enable" command.
9728 */
9729 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9730
9731 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9732 break;
9733
9734 /* Erase the target page */
9735 tw32(NVRAM_ADDR, phy_addr);
9736
9737 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9738 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9739
9740 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9741 break;
9742
9743 /* Issue another write enable to start the write. */
9744 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9745
9746 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9747 break;
9748
9749 for (j = 0; j < pagesize; j += 4) {
9750 u32 data;
9751
9752 data = *((u32 *) (tmp + j));
9753 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9754
9755 tw32(NVRAM_ADDR, phy_addr + j);
9756
9757 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9758 NVRAM_CMD_WR;
9759
9760 if (j == 0)
9761 nvram_cmd |= NVRAM_CMD_FIRST;
9762 else if (j == (pagesize - 4))
9763 nvram_cmd |= NVRAM_CMD_LAST;
9764
9765 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9766 break;
9767 }
9768 if (ret)
9769 break;
9770 }
9771
9772 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9773 tg3_nvram_exec_cmd(tp, nvram_cmd);
9774
9775 kfree(tmp);
9776
9777 return ret;
9778}
9779
9780/* offset and length are dword aligned */
9781static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9782 u8 *buf)
9783{
9784 int i, ret = 0;
9785
9786 for (i = 0; i < len; i += 4, offset += 4) {
9787 u32 data, page_off, phy_addr, nvram_cmd;
9788
9789 memcpy(&data, buf + i, 4);
9790 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9791
9792 page_off = offset % tp->nvram_pagesize;
9793
1820180b 9794 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9795
9796 tw32(NVRAM_ADDR, phy_addr);
9797
9798 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9799
9800 if ((page_off == 0) || (i == 0))
9801 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 9802 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 9803 nvram_cmd |= NVRAM_CMD_LAST;
9804
9805 if (i == (len - 4))
9806 nvram_cmd |= NVRAM_CMD_LAST;
9807
4c987487 9808 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
af36e6b6 9809 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
1b27777a 9810 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
4c987487
MC		 9811 (tp->nvram_jedecnum == JEDEC_ST) &&
9812 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 9813
9814 if ((ret = tg3_nvram_exec_cmd(tp,
9815 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9816 NVRAM_CMD_DONE)))
9817
9818 break;
9819 }
9820 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9821 /* We always do complete word writes to eeprom. */
9822 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9823 }
9824
9825 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9826 break;
9827 }
9828 return ret;
9829}
9830
9831/* offset and length are dword aligned */
9832static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9833{
9834 int ret;
9835
1da177e4 9836 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 9837 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9838 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 9839 udelay(40);
9840 }
9841
9842 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9843 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9844 }
9845 else {
9846 u32 grc_mode;
9847
ec41c7df
MC		 9848 ret = tg3_nvram_lock(tp);
9849 if (ret)
9850 return ret;
1da177e4 9851
e6af301b
MC		 9852 tg3_enable_nvram_access(tp);
9853 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9854 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
1da177e4 9855 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 9856
9857 grc_mode = tr32(GRC_MODE);
9858 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9859
9860 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9861 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9862
9863 ret = tg3_nvram_write_block_buffered(tp, offset, len,
9864 buf);
9865 }
9866 else {
9867 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9868 buf);
9869 }
9870
9871 grc_mode = tr32(GRC_MODE);
9872 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9873
e6af301b 9874 tg3_disable_nvram_access(tp);
1da177e4
LT		 9875 tg3_nvram_unlock(tp);
9876 }
9877
9878 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 9879 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 9880 udelay(40);
9881 }
9882
9883 return ret;
9884}
9885
9886struct subsys_tbl_ent {
9887 u16 subsys_vendor, subsys_devid;
9888 u32 phy_id;
9889};
9890
9891static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9892 /* Broadcom boards. */
9893 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9894 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9895 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9896 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
9897 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9898 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9899 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
9900 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9901 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9902 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9903 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9904
9905 /* 3com boards. */
9906 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9907 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9908 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
9909 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9910 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9911
9912 /* DELL boards. */
9913 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9914 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9915 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9916 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9917
9918 /* Compaq boards. */
9919 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9920 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9921 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
9922 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9923 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9924
9925 /* IBM boards. */
9926 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9927};
9928
9929static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9930{
9931 int i;
9932
9933 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9934 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9935 tp->pdev->subsystem_vendor) &&
9936 (subsys_id_to_phy_id[i].subsys_devid ==
9937 tp->pdev->subsystem_device))
9938 return &subsys_id_to_phy_id[i];
9939 }
9940 return NULL;
9941}
9942
7d0c41ef 9943static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 9944{
1da177e4 9945 u32 val;
caf636c7
MC		 9946 u16 pmcsr;
9947
9948 /* On some early chips the SRAM cannot be accessed in D3hot state,
9949 * so need make sure we're in D0.
9950 */
9951 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9952 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9953 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9954 msleep(1);
7d0c41ef
MC		 9955
9956 /* Make sure register accesses (indirect or otherwise)
9957 * will function correctly.
9958 */
9959 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9960 tp->misc_host_ctrl);
1da177e4 9961
f49639e6
DM		 9962 /* The memory arbiter has to be enabled in order for SRAM accesses
9963 * to succeed. Normally on powerup the tg3 chip firmware will make
9964 * sure it is enabled, but other entities such as system netboot
9965 * code might disable it.
9966 */
9967 val = tr32(MEMARB_MODE);
9968 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9969
1da177e4 9970 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 9971 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9972
f49639e6
DM		 9973 /* Assume an onboard device by default. */
9974 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
72b845e0 9975
b5d3772c 9976 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 9977 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 9978 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 9979 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
9980 }
b5d3772c
MC		 9981 return;
9982 }
9983
1da177e4
LT		 9984 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9985 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9986 u32 nic_cfg, led_cfg;
7d0c41ef
MC		 9987 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9988 int eeprom_phy_serdes = 0;
1da177e4
LT		 9989
9990 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9991 tp->nic_sram_data_cfg = nic_cfg;
9992
9993 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9994 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9995 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9996 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9997 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9998 (ver > 0) && (ver < 0x100))
9999 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10000
1da177e4
LT		 10001 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10002 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10003 eeprom_phy_serdes = 1;
10004
10005 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10006 if (nic_phy_id != 0) {
10007 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10008 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10009
10010 eeprom_phy_id = (id1 >> 16) << 10;
10011 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10012 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10013 } else
10014 eeprom_phy_id = 0;
10015
7d0c41ef 10016 tp->phy_id = eeprom_phy_id;
747e8f8b 10017 if (eeprom_phy_serdes) {
a4e2b347 10018 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 10019 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10020 else
10021 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10022 }
7d0c41ef 10023
cbf46853 10024 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10025 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10026 SHASTA_EXT_LED_MODE_MASK);
cbf46853 10027 else
1da177e4
LT		 10028 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10029
10030 switch (led_cfg) {
10031 default:
10032 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10033 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10034 break;
10035
10036 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10037 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10038 break;
10039
10040 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10041 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 10042
10043 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10044 * read on some older 5700/5701 bootcode.
10045 */
10046 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10047 ASIC_REV_5700 ||
10048 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10049 ASIC_REV_5701)
10050 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10051
1da177e4
LT		 10052 break;
10053
10054 case SHASTA_EXT_LED_SHARED:
10055 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10056 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10057 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10058 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10059 LED_CTRL_MODE_PHY_2);
10060 break;
10061
10062 case SHASTA_EXT_LED_MAC:
10063 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10064 break;
10065
10066 case SHASTA_EXT_LED_COMBO:
10067 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10068 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10069 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10070 LED_CTRL_MODE_PHY_2);
10071 break;
10072
10073 };
10074
10075 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10076 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10077 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10078 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10079
9d26e213 10080 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 10081 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10082 if ((tp->pdev->subsystem_vendor ==
10083 PCI_VENDOR_ID_ARIMA) &&
10084 (tp->pdev->subsystem_device == 0x205a ||
10085 tp->pdev->subsystem_device == 0x2063))
10086 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10087 } else {
f49639e6 10088 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10089 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10090 }
1da177e4
LT		 10091
10092 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10093 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 10094 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10095 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10096 }
10097 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10098 tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10099
10100 if (cfg2 & (1 << 17))
10101 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10102
10103 /* serdes signal pre-emphasis in register 0x590 set by */
10104 /* bootcode if bit 18 is set */
10105 if (cfg2 & (1 << 18))
10106 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10107 }
7d0c41ef
MC		 10108}
10109
10110static int __devinit tg3_phy_probe(struct tg3 *tp)
10111{
10112 u32 hw_phy_id_1, hw_phy_id_2;
10113 u32 hw_phy_id, hw_phy_id_masked;
10114 int err;
1da177e4
LT		 10115
10116 /* Reading the PHY ID register can conflict with ASF
10117 * firwmare access to the PHY hardware.
10118 */
10119 err = 0;
10120 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10121 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10122 } else {
10123 /* Now read the physical PHY_ID from the chip and verify
10124 * that it is sane. If it doesn't look good, we fall back
10125 * to either the hard-coded table based PHY_ID and failing
10126 * that the value found in the eeprom area.
10127 */
10128 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10129 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10130
10131 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10132 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10133 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10134
10135 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10136 }
10137
10138 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10139 tp->phy_id = hw_phy_id;
10140 if (hw_phy_id_masked == PHY_ID_BCM8002)
10141 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 10142 else
10143 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 10144 } else {
7d0c41ef
MC		 10145 if (tp->phy_id != PHY_ID_INVALID) {
10146 /* Do nothing, phy ID already set up in
10147 * tg3_get_eeprom_hw_cfg().
10148 */
1da177e4
LT		 10149 } else {
10150 struct subsys_tbl_ent *p;
10151
10152 /* No eeprom signature? Try the hardcoded
10153 * subsys device table.
10154 */
10155 p = lookup_by_subsys(tp);
10156 if (!p)
10157 return -ENODEV;
10158
10159 tp->phy_id = p->phy_id;
10160 if (!tp->phy_id ||
10161 tp->phy_id == PHY_ID_BCM8002)
10162 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10163 }
10164 }
10165
747e8f8b 10166 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
1da177e4 10167 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 10168 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 10169
10170 tg3_readphy(tp, MII_BMSR, &bmsr);
10171 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10172 (bmsr & BMSR_LSTATUS))
10173 goto skip_phy_reset;
6aa20a22 10174
1da177e4
LT		 10175 err = tg3_phy_reset(tp);
10176 if (err)
10177 return err;
10178
10179 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10180 ADVERTISE_100HALF | ADVERTISE_100FULL |
10181 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10182 tg3_ctrl = 0;
10183 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10184 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10185 MII_TG3_CTRL_ADV_1000_FULL);
10186 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10187 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10188 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10189 MII_TG3_CTRL_ENABLE_AS_MASTER);
10190 }
10191
3600d918
MC		 10192 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10193 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10194 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10195 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 10196 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10197
10198 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10199 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10200
10201 tg3_writephy(tp, MII_BMCR,
10202 BMCR_ANENABLE | BMCR_ANRESTART);
10203 }
10204 tg3_phy_set_wirespeed(tp);
10205
10206 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10207 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10208 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10209 }
10210
10211skip_phy_reset:
10212 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10213 err = tg3_init_5401phy_dsp(tp);
10214 if (err)
10215 return err;
10216 }
10217
10218 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10219 err = tg3_init_5401phy_dsp(tp);
10220 }
10221
747e8f8b 10222 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 10223 tp->link_config.advertising =
10224 (ADVERTISED_1000baseT_Half |
10225 ADVERTISED_1000baseT_Full |
10226 ADVERTISED_Autoneg |
10227 ADVERTISED_FIBRE);
10228 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10229 tp->link_config.advertising &=
10230 ~(ADVERTISED_1000baseT_Half |
10231 ADVERTISED_1000baseT_Full);
10232
10233 return err;
10234}
10235
10236static void __devinit tg3_read_partno(struct tg3 *tp)
10237{
10238 unsigned char vpd_data[256];
af2c6a4a 10239 unsigned int i;
1b27777a 10240 u32 magic;
1da177e4 10241
1820180b 10242 if (tg3_nvram_read_swab(tp, 0x0, &magic))
f49639e6 10243 goto out_not_found;
1da177e4 10244
1820180b 10245 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 10246 for (i = 0; i < 256; i += 4) {
10247 u32 tmp;
1da177e4 10248
1b27777a
MC		 10249 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10250 goto out_not_found;
10251
10252 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10253 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10254 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10255 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10256 }
10257 } else {
10258 int vpd_cap;
10259
10260 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10261 for (i = 0; i < 256; i += 4) {
10262 u32 tmp, j = 0;
10263 u16 tmp16;
10264
10265 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10266 i);
10267 while (j++ < 100) {
10268 pci_read_config_word(tp->pdev, vpd_cap +
10269 PCI_VPD_ADDR, &tmp16);
10270 if (tmp16 & 0x8000)
10271 break;
10272 msleep(1);
10273 }
f49639e6
DM		 10274 if (!(tmp16 & 0x8000))
10275 goto out_not_found;
10276
1b27777a
MC		 10277 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10278 &tmp);
10279 tmp = cpu_to_le32(tmp);
10280 memcpy(&vpd_data[i], &tmp, 4);
10281 }
1da177e4
LT		 10282 }
10283
10284 /* Now parse and find the part number. */
af2c6a4a 10285 for (i = 0; i < 254; ) {
1da177e4 10286 unsigned char val = vpd_data[i];
af2c6a4a 10287 unsigned int block_end;
1da177e4
LT		 10288
10289 if (val == 0x82 || val == 0x91) {
10290 i = (i + 3 +
10291 (vpd_data[i + 1] +
10292 (vpd_data[i + 2] << 8)));
10293 continue;
10294 }
10295
10296 if (val != 0x90)
10297 goto out_not_found;
10298
10299 block_end = (i + 3 +
10300 (vpd_data[i + 1] +
10301 (vpd_data[i + 2] << 8)));
10302 i += 3;
af2c6a4a
MC		 10303
10304 if (block_end > 256)
10305 goto out_not_found;
10306
10307 while (i < (block_end - 2)) {
1da177e4
LT		 10308 if (vpd_data[i + 0] == 'P' &&
10309 vpd_data[i + 1] == 'N') {
10310 int partno_len = vpd_data[i + 2];
10311
af2c6a4a
MC		 10312 i += 3;
10313 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 10314 goto out_not_found;
10315
10316 memcpy(tp->board_part_number,
af2c6a4a 10317 &vpd_data[i], partno_len);
1da177e4
LT		 10318
10319 /* Success. */
10320 return;
10321 }
af2c6a4a 10322 i += 3 + vpd_data[i + 2];
1da177e4
LT		 10323 }
10324
10325 /* Part number not found. */
10326 goto out_not_found;
10327 }
10328
10329out_not_found:
b5d3772c
MC		 10330 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10331 strcpy(tp->board_part_number, "BCM95906");
10332 else
10333 strcpy(tp->board_part_number, "none");
1da177e4
LT		 10334}
10335
c4e6575c
MC		 10336static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10337{
10338 u32 val, offset, start;
10339
10340 if (tg3_nvram_read_swab(tp, 0, &val))
10341 return;
10342
10343 if (val != TG3_EEPROM_MAGIC)
10344 return;
10345
10346 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10347 tg3_nvram_read_swab(tp, 0x4, &start))
10348 return;
10349
10350 offset = tg3_nvram_logical_addr(tp, offset);
10351 if (tg3_nvram_read_swab(tp, offset, &val))
10352 return;
10353
10354 if ((val & 0xfc000000) == 0x0c000000) {
10355 u32 ver_offset, addr;
10356 int i;
10357
10358 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10359 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10360 return;
10361
10362 if (val != 0)
10363 return;
10364
10365 addr = offset + ver_offset - start;
10366 for (i = 0; i < 16; i += 4) {
10367 if (tg3_nvram_read(tp, addr + i, &val))
10368 return;
10369
10370 val = cpu_to_le32(val);
10371 memcpy(tp->fw_ver + i, &val, 4);
10372 }
10373 }
10374}
10375
1da177e4
LT		 10376static int __devinit tg3_get_invariants(struct tg3 *tp)
10377{
10378 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 10379 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10380 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 10381 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10382 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 10383 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10384 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 10385 { },
10386 };
10387 u32 misc_ctrl_reg;
10388 u32 cacheline_sz_reg;
10389 u32 pci_state_reg, grc_misc_cfg;
10390 u32 val;
10391 u16 pci_cmd;
c7835a77 10392 int err, pcie_cap;
1da177e4 10393
1da177e4
LT		 10394 /* Force memory write invalidate off. If we leave it on,
10395 * then on 5700_BX chips we have to enable a workaround.
10396 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10397 * to match the cacheline size. The Broadcom driver have this
10398 * workaround but turns MWI off all the times so never uses
10399 * it. This seems to suggest that the workaround is insufficient.
10400 */
10401 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10402 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10403 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10404
10405 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10406 * has the register indirect write enable bit set before
10407 * we try to access any of the MMIO registers. It is also
10408 * critical that the PCI-X hw workaround situation is decided
10409 * before that as well.
10410 */
10411 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10412 &misc_ctrl_reg);
10413
10414 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10415 MISC_HOST_CTRL_CHIPREV_SHIFT);
10416
ff645bec
MC		 10417 /* Wrong chip ID in 5752 A0. This code can be removed later
10418 * as A0 is not in production.
10419 */
10420 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10421 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10422
6892914f
MC		 10423 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10424 * we need to disable memory and use config. cycles
10425 * only to access all registers. The 5702/03 chips
10426 * can mistakenly decode the special cycles from the
10427 * ICH chipsets as memory write cycles, causing corruption
10428 * of register and memory space. Only certain ICH bridges
10429 * will drive special cycles with non-zero data during the
10430 * address phase which can fall within the 5703's address
10431 * range. This is not an ICH bug as the PCI spec allows
10432 * non-zero address during special cycles. However, only
10433 * these ICH bridges are known to drive non-zero addresses
10434 * during special cycles.
10435 *
10436 * Since special cycles do not cross PCI bridges, we only
10437 * enable this workaround if the 5703 is on the secondary
10438 * bus of these ICH bridges.
10439 */
10440 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10441 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10442 static struct tg3_dev_id {
10443 u32 vendor;
10444 u32 device;
10445 u32 rev;
10446 } ich_chipsets[] = {
10447 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10448 PCI_ANY_ID },
10449 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10450 PCI_ANY_ID },
10451 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10452 0xa },
10453 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10454 PCI_ANY_ID },
10455 { },
10456 };
10457 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10458 struct pci_dev *bridge = NULL;
10459
10460 while (pci_id->vendor != 0) {
10461 bridge = pci_get_device(pci_id->vendor, pci_id->device,
10462 bridge);
10463 if (!bridge) {
10464 pci_id++;
10465 continue;
10466 }
10467 if (pci_id->rev != PCI_ANY_ID) {
10468 u8 rev;
10469
10470 pci_read_config_byte(bridge, PCI_REVISION_ID,
10471 &rev);
10472 if (rev > pci_id->rev)
10473 continue;
10474 }
10475 if (bridge->subordinate &&
10476 (bridge->subordinate->number ==
10477 tp->pdev->bus->number)) {
10478
10479 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10480 pci_dev_put(bridge);
10481 break;
10482 }
10483 }
10484 }
10485
4a29cc2e
MC		 10486 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10487 * DMA addresses > 40-bit. This bridge may have other additional
10488 * 57xx devices behind it in some 4-port NIC designs for example.
10489 * Any tg3 device found behind the bridge will also need the 40-bit
10490 * DMA workaround.
10491 */
a4e2b347
MC		 10492 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10493 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10494 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 10495 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 10496 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 10497 }
4a29cc2e
MC		 10498 else {
10499 struct pci_dev *bridge = NULL;
10500
10501 do {
10502 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10503 PCI_DEVICE_ID_SERVERWORKS_EPB,
10504 bridge);
10505 if (bridge && bridge->subordinate &&
10506 (bridge->subordinate->number <=
10507 tp->pdev->bus->number) &&
10508 (bridge->subordinate->subordinate >=
10509 tp->pdev->bus->number)) {
10510 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10511 pci_dev_put(bridge);
10512 break;
10513 }
10514 } while (bridge);
10515 }
4cf78e4f 10516
1da177e4
LT		 10517 /* Initialize misc host control in PCI block. */
10518 tp->misc_host_ctrl |= (misc_ctrl_reg &
10519 MISC_HOST_CTRL_CHIPREV);
10520 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10521 tp->misc_host_ctrl);
10522
10523 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10524 &cacheline_sz_reg);
10525
10526 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
10527 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
10528 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
10529 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
10530
6708e5cc 10531 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
4cf78e4f 10532 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 10533 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 10534 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
b5d3772c 10535 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
a4e2b347 10536 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 10537 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10538
1b440c56
JL		 10539 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10540 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10541 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10542
5a6f3074 10543 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
af36e6b6 10544 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10545 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10546 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5a6f3074 10547 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
fcfa0a32 10548 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83
MC		 10549 } else {
10550 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
10551 TG3_FLG2_HW_TSO_1_BUG;
10552 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10553 ASIC_REV_5750 &&
10554 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10555 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
10556 }
5a6f3074 10557 }
1da177e4 10558
0f893dc6
MC		 10559 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10560 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
d9ab5ad1 10561 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
af36e6b6 10562 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
b5d3772c
MC		 10563 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10564 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
0f893dc6
MC		 10565 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10566
c7835a77
MC		 10567 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10568 if (pcie_cap != 0) {
1da177e4 10569 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
c7835a77
MC		 10570 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10571 u16 lnkctl;
10572
10573 pci_read_config_word(tp->pdev,
10574 pcie_cap + PCI_EXP_LNKCTL,
10575 &lnkctl);
10576 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10577 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10578 }
10579 }
1da177e4 10580
399de50b
MC		 10581 /* If we have an AMD 762 or VIA K8T800 chipset, write
10582 * reordering to the mailbox registers done by the host
10583 * controller can cause major troubles. We read back from
10584 * every mailbox register write to force the writes to be
10585 * posted to the chip in order.
10586 */
10587 if (pci_dev_present(write_reorder_chipsets) &&
10588 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10589 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10590
1da177e4
LT		 10591 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10592 tp->pci_lat_timer < 64) {
10593 tp->pci_lat_timer = 64;
10594
10595 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
10596 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
10597 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
10598 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
10599
10600 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10601 cacheline_sz_reg);
10602 }
10603
10604 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10605 &pci_state_reg);
10606
10607 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10608 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10609
10610 /* If this is a 5700 BX chipset, and we are in PCI-X
10611 * mode, enable register write workaround.
10612 *
10613 * The workaround is to use indirect register accesses
10614 * for all chip writes not to mailbox registers.
10615 */
10616 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10617 u32 pm_reg;
10618 u16 pci_cmd;
10619
10620 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10621
10622 /* The chip can have it's power management PCI config
10623 * space registers clobbered due to this bug.
10624 * So explicitly force the chip into D0 here.
10625 */
10626 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10627 &pm_reg);
10628 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10629 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10630 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10631 pm_reg);
10632
10633 /* Also, force SERR#/PERR# in PCI command. */
10634 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10635 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10636 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10637 }
10638 }
10639
087fe256
MC		 10640 /* 5700 BX chips need to have their TX producer index mailboxes
10641 * written twice to workaround a bug.
10642 */
10643 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10644 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10645
1da177e4
LT		 10646 /* Back to back register writes can cause problems on this chip,
10647 * the workaround is to read back all reg writes except those to
10648 * mailbox regs. See tg3_write_indirect_reg32().
10649 *
10650 * PCI Express 5750_A0 rev chips need this workaround too.
10651 */
10652 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10653 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10654 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10655 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10656
10657 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10658 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10659 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10660 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10661
10662 /* Chip-specific fixup from Broadcom driver */
10663 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10664 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10665 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10666 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10667 }
10668
1ee582d8 10669 /* Default fast path register access methods */
20094930 10670 tp->read32 = tg3_read32;
1ee582d8 10671 tp->write32 = tg3_write32;
09ee929c 10672 tp->read32_mbox = tg3_read32;
20094930 10673 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 10674 tp->write32_tx_mbox = tg3_write32;
10675 tp->write32_rx_mbox = tg3_write32;
10676
10677 /* Various workaround register access methods */
10678 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10679 tp->write32 = tg3_write_indirect_reg32;
10680 else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10681 tp->write32 = tg3_write_flush_reg32;
10682
10683 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10684 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10685 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10686 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10687 tp->write32_rx_mbox = tg3_write_flush_reg32;
10688 }
20094930 10689
6892914f
MC		 10690 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10691 tp->read32 = tg3_read_indirect_reg32;
10692 tp->write32 = tg3_write_indirect_reg32;
10693 tp->read32_mbox = tg3_read_indirect_mbox;
10694 tp->write32_mbox = tg3_write_indirect_mbox;
10695 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10696 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10697
10698 iounmap(tp->regs);
22abe310 10699 tp->regs = NULL;
6892914f
MC		 10700
10701 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10702 pci_cmd &= ~PCI_COMMAND_MEMORY;
10703 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10704 }
b5d3772c
MC		 10705 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10706 tp->read32_mbox = tg3_read32_mbox_5906;
10707 tp->write32_mbox = tg3_write32_mbox_5906;
10708 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10709 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10710 }
6892914f 10711
bbadf503
MC		 10712 if (tp->write32 == tg3_write_indirect_reg32 ||
10713 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10714 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 10715 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 10716 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10717
7d0c41ef 10718 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 10719 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 10720 * determined before calling tg3_set_power_state() so that
10721 * we know whether or not to switch out of Vaux power.
10722 * When the flag is set, it means that GPIO1 is used for eeprom
10723 * write protect and also implies that it is a LOM where GPIOs
10724 * are not used to switch power.
6aa20a22 10725 */
7d0c41ef
MC		 10726 tg3_get_eeprom_hw_cfg(tp);
10727
314fba34
MC		 10728 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10729 * GPIO1 driven high will bring 5700's external PHY out of reset.
10730 * It is also used as eeprom write protect on LOMs.
10731 */
10732 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10733 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10734 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10735 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10736 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 10737 /* Unused GPIO3 must be driven as output on 5752 because there
10738 * are no pull-up resistors on unused GPIO pins.
10739 */
10740 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10741 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 10742
af36e6b6
MC		 10743 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10744 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10745
1da177e4 10746 /* Force the chip into D0. */
bc1c7567 10747 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 10748 if (err) {
10749 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10750 pci_name(tp->pdev));
10751 return err;
10752 }
10753
10754 /* 5700 B0 chips do not support checksumming correctly due
10755 * to hardware bugs.
10756 */
10757 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10758 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10759
1da177e4
LT		 10760 /* Derive initial jumbo mode from MTU assigned in
10761 * ether_setup() via the alloc_etherdev() call
10762 */
0f893dc6 10763 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 10764 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 10765 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 10766
10767 /* Determine WakeOnLan speed to use. */
10768 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10769 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10770 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10771 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10772 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10773 } else {
10774 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10775 }
10776
10777 /* A few boards don't want Ethernet@WireSpeed phy feature */
10778 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10779 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10780 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 10781 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
b5d3772c 10782 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
747e8f8b 10783 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 10784 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10785
10786 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10787 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10788 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10789 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10790 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10791
c424cb24
MC		 10792 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10793 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
c1d2a196 10794 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
d4011ada
MC		 10795 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
10796 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
10797 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 10798 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
10799 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
10800 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
c424cb24
MC		 10801 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10802 }
1da177e4 10803
1da177e4 10804 tp->coalesce_mode = 0;
1da177e4
LT		 10805 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10806 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10807 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10808
10809 /* Initialize MAC MI mode, polling disabled. */
10810 tw32_f(MAC_MI_MODE, tp->mi_mode);
10811 udelay(80);
10812
10813 /* Initialize data/descriptor byte/word swapping. */
10814 val = tr32(GRC_MODE);
10815 val &= GRC_MODE_HOST_STACKUP;
10816 tw32(GRC_MODE, val | tp->grc_mode);
10817
10818 tg3_switch_clocks(tp);
10819
10820 /* Clear this out for sanity. */
10821 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10822
10823 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10824 &pci_state_reg);
10825 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10826 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10827 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10828
10829 if (chiprevid == CHIPREV_ID_5701_A0 ||
10830 chiprevid == CHIPREV_ID_5701_B0 ||
10831 chiprevid == CHIPREV_ID_5701_B2 ||
10832 chiprevid == CHIPREV_ID_5701_B5) {
10833 void __iomem *sram_base;
10834
10835 /* Write some dummy words into the SRAM status block
10836 * area, see if it reads back correctly. If the return
10837 * value is bad, force enable the PCIX workaround.
10838 */
10839 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10840
10841 writel(0x00000000, sram_base);
10842 writel(0x00000000, sram_base + 4);
10843 writel(0xffffffff, sram_base + 4);
10844 if (readl(sram_base) != 0x00000000)
10845 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10846 }
10847 }
10848
10849 udelay(50);
10850 tg3_nvram_init(tp);
10851
10852 grc_misc_cfg = tr32(GRC_MISC_CFG);
10853 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10854
10855 /* Broadcom's driver says that CIOBE multisplit has a bug */
10856#if 0
10857 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10858 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10859 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10860 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10861 }
10862#endif
10863 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10864 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10865 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10866 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10867
fac9b83e
DM		 10868 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10869 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10870 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10871 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10872 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10873 HOSTCC_MODE_CLRTICK_TXBD);
10874
10875 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10876 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10877 tp->misc_host_ctrl);
10878 }
10879
1da177e4
LT		 10880 /* these are limited to 10/100 only */
10881 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10882 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10883 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10884 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10885 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10886 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10887 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10888 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10889 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 10890 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
10891 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
b5d3772c 10892 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1da177e4
LT		 10893 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10894
10895 err = tg3_phy_probe(tp);
10896 if (err) {
10897 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10898 pci_name(tp->pdev), err);
10899 /* ... but do not return immediately ... */
10900 }
10901
10902 tg3_read_partno(tp);
c4e6575c 10903 tg3_read_fw_ver(tp);
1da177e4
LT		 10904
10905 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10906 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10907 } else {
10908 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10909 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10910 else
10911 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10912 }
10913
10914 /* 5700 {AX,BX} chips have a broken status block link
10915 * change bit implementation, so we must use the
10916 * status register in those cases.
10917 */
10918 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10919 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10920 else
10921 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10922
10923 /* The led_ctrl is set during tg3_phy_probe, here we might
10924 * have to force the link status polling mechanism based
10925 * upon subsystem IDs.
10926 */
10927 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10928 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10929 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10930 TG3_FLAG_USE_LINKCHG_REG);
10931 }
10932
10933 /* For all SERDES we poll the MAC status register. */
10934 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10935 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10936 else
10937 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10938
5a6f3074 10939 /* All chips before 5787 can get confused if TX buffers
1da177e4
LT		 10940 * straddle the 4GB address boundary in some cases.
10941 */
af36e6b6 10942 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10943 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10944 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
5a6f3074
MC		 10945 tp->dev->hard_start_xmit = tg3_start_xmit;
10946 else
10947 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
1da177e4
LT		 10948
10949 tp->rx_offset = 2;
10950 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10951 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10952 tp->rx_offset = 0;
10953
f92905de
MC		 10954 tp->rx_std_max_post = TG3_RX_RING_SIZE;
10955
10956 /* Increment the rx prod index on the rx std ring by at most
10957 * 8 for these chips to workaround hw errata.
10958 */
10959 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10960 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10961 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10962 tp->rx_std_max_post = 8;
10963
1da177e4
LT		 10964 /* By default, disable wake-on-lan. User can change this
10965 * using ETHTOOL_SWOL.
10966 */
10967 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10968
10969 return err;
10970}
10971
10972#ifdef CONFIG_SPARC64
10973static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10974{
10975 struct net_device *dev = tp->dev;
10976 struct pci_dev *pdev = tp->pdev;
10977 struct pcidev_cookie *pcp = pdev->sysdata;
10978
10979 if (pcp != NULL) {
de8d28b1
DM		 10980 unsigned char *addr;
10981 int len;
1da177e4 10982
de8d28b1
DM		 10983 addr = of_get_property(pcp->prom_node, "local-mac-address",
10984 &len);
10985 if (addr && len == 6) {
10986 memcpy(dev->dev_addr, addr, 6);
2ff43697 10987 memcpy(dev->perm_addr, dev->dev_addr, 6);
1da177e4
LT		 10988 return 0;
10989 }
10990 }
10991 return -ENODEV;
10992}
10993
10994static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
10995{
10996 struct net_device *dev = tp->dev;
10997
10998 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 10999 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 11000 return 0;
11001}
11002#endif
11003
11004static int __devinit tg3_get_device_address(struct tg3 *tp)
11005{
11006 struct net_device *dev = tp->dev;
11007 u32 hi, lo, mac_offset;
008652b3 11008 int addr_ok = 0;
1da177e4
LT		 11009
11010#ifdef CONFIG_SPARC64
11011 if (!tg3_get_macaddr_sparc(tp))
11012 return 0;
11013#endif
11014
11015 mac_offset = 0x7c;
f49639e6 11016 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 11017 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 11018 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11019 mac_offset = 0xcc;
11020 if (tg3_nvram_lock(tp))
11021 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11022 else
11023 tg3_nvram_unlock(tp);
11024 }
b5d3772c
MC		 11025 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11026 mac_offset = 0x10;
1da177e4
LT		 11027
11028 /* First try to get it from MAC address mailbox. */
11029 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11030 if ((hi >> 16) == 0x484b) {
11031 dev->dev_addr[0] = (hi >> 8) & 0xff;
11032 dev->dev_addr[1] = (hi >> 0) & 0xff;
11033
11034 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11035 dev->dev_addr[2] = (lo >> 24) & 0xff;
11036 dev->dev_addr[3] = (lo >> 16) & 0xff;
11037 dev->dev_addr[4] = (lo >> 8) & 0xff;
11038 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 11039
008652b3
MC		 11040 /* Some old bootcode may report a 0 MAC address in SRAM */
11041 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11042 }
11043 if (!addr_ok) {
11044 /* Next, try NVRAM. */
f49639e6 11045 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
008652b3
MC		 11046 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11047 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11048 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11049 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11050 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11051 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11052 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11053 }
11054 /* Finally just fetch it out of the MAC control regs. */
11055 else {
11056 hi = tr32(MAC_ADDR_0_HIGH);
11057 lo = tr32(MAC_ADDR_0_LOW);
11058
11059 dev->dev_addr[5] = lo & 0xff;
11060 dev->dev_addr[4] = (lo >> 8) & 0xff;
11061 dev->dev_addr[3] = (lo >> 16) & 0xff;
11062 dev->dev_addr[2] = (lo >> 24) & 0xff;
11063 dev->dev_addr[1] = hi & 0xff;
11064 dev->dev_addr[0] = (hi >> 8) & 0xff;
11065 }
1da177e4
LT		 11066 }
11067
11068 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11069#ifdef CONFIG_SPARC64
11070 if (!tg3_get_default_macaddr_sparc(tp))
11071 return 0;
11072#endif
11073 return -EINVAL;
11074 }
2ff43697 11075 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 11076 return 0;
11077}
11078
59e6b434
DM		 11079#define BOUNDARY_SINGLE_CACHELINE 1
11080#define BOUNDARY_MULTI_CACHELINE 2
11081
11082static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11083{
11084 int cacheline_size;
11085 u8 byte;
11086 int goal;
11087
11088 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11089 if (byte == 0)
11090 cacheline_size = 1024;
11091 else
11092 cacheline_size = (int) byte * 4;
11093
11094 /* On 5703 and later chips, the boundary bits have no
11095 * effect.
11096 */
11097 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11098 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11099 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11100 goto out;
11101
11102#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11103 goal = BOUNDARY_MULTI_CACHELINE;
11104#else
11105#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11106 goal = BOUNDARY_SINGLE_CACHELINE;
11107#else
11108 goal = 0;
11109#endif
11110#endif
11111
11112 if (!goal)
11113 goto out;
11114
11115 /* PCI controllers on most RISC systems tend to disconnect
11116 * when a device tries to burst across a cache-line boundary.
11117 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11118 *
11119 * Unfortunately, for PCI-E there are only limited
11120 * write-side controls for this, and thus for reads
11121 * we will still get the disconnects. We'll also waste
11122 * these PCI cycles for both read and write for chips
11123 * other than 5700 and 5701 which do not implement the
11124 * boundary bits.
11125 */
11126 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11127 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11128 switch (cacheline_size) {
11129 case 16:
11130 case 32:
11131 case 64:
11132 case 128:
11133 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11134 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11135 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11136 } else {
11137 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11138 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11139 }
11140 break;
11141
11142 case 256:
11143 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11144 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11145 break;
11146
11147 default:
11148 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11149 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11150 break;
11151 };
11152 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11153 switch (cacheline_size) {
11154 case 16:
11155 case 32:
11156 case 64:
11157 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11158 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11159 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11160 break;
11161 }
11162 /* fallthrough */
11163 case 128:
11164 default:
11165 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11166 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11167 break;
11168 };
11169 } else {
11170 switch (cacheline_size) {
11171 case 16:
11172 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11173 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11174 DMA_RWCTRL_WRITE_BNDRY_16);
11175 break;
11176 }
11177 /* fallthrough */
11178 case 32:
11179 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11180 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11181 DMA_RWCTRL_WRITE_BNDRY_32);
11182 break;
11183 }
11184 /* fallthrough */
11185 case 64:
11186 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11187 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11188 DMA_RWCTRL_WRITE_BNDRY_64);
11189 break;
11190 }
11191 /* fallthrough */
11192 case 128:
11193 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11194 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11195 DMA_RWCTRL_WRITE_BNDRY_128);
11196 break;
11197 }
11198 /* fallthrough */
11199 case 256:
11200 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11201 DMA_RWCTRL_WRITE_BNDRY_256);
11202 break;
11203 case 512:
11204 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11205 DMA_RWCTRL_WRITE_BNDRY_512);
11206 break;
11207 case 1024:
11208 default:
11209 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11210 DMA_RWCTRL_WRITE_BNDRY_1024);
11211 break;
11212 };
11213 }
11214
11215out:
11216 return val;
11217}
11218
1da177e4
LT		 11219static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11220{
11221 struct tg3_internal_buffer_desc test_desc;
11222 u32 sram_dma_descs;
11223 int i, ret;
11224
11225 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11226
11227 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11228 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11229 tw32(RDMAC_STATUS, 0);
11230 tw32(WDMAC_STATUS, 0);
11231
11232 tw32(BUFMGR_MODE, 0);
11233 tw32(FTQ_RESET, 0);
11234
11235 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11236 test_desc.addr_lo = buf_dma & 0xffffffff;
11237 test_desc.nic_mbuf = 0x00002100;
11238 test_desc.len = size;
11239
11240 /*
11241 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11242 * the *second* time the tg3 driver was getting loaded after an
11243 * initial scan.
11244 *
11245 * Broadcom tells me:
11246 * ...the DMA engine is connected to the GRC block and a DMA
11247 * reset may affect the GRC block in some unpredictable way...
11248 * The behavior of resets to individual blocks has not been tested.
11249 *
11250 * Broadcom noted the GRC reset will also reset all sub-components.
11251 */
11252 if (to_device) {
11253 test_desc.cqid_sqid = (13 << 8) | 2;
11254
11255 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11256 udelay(40);
11257 } else {
11258 test_desc.cqid_sqid = (16 << 8) | 7;
11259
11260 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11261 udelay(40);
11262 }
11263 test_desc.flags = 0x00000005;
11264
11265 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11266 u32 val;
11267
11268 val = *(((u32 *)&test_desc) + i);
11269 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11270 sram_dma_descs + (i * sizeof(u32)));
11271 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11272 }
11273 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11274
11275 if (to_device) {
11276 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11277 } else {
11278 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11279 }
11280
11281 ret = -ENODEV;
11282 for (i = 0; i < 40; i++) {
11283 u32 val;
11284
11285 if (to_device)
11286 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11287 else
11288 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11289 if ((val & 0xffff) == sram_dma_descs) {
11290 ret = 0;
11291 break;
11292 }
11293
11294 udelay(100);
11295 }
11296
11297 return ret;
11298}
11299
ded7340d 11300#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 11301
11302static int __devinit tg3_test_dma(struct tg3 *tp)
11303{
11304 dma_addr_t buf_dma;
59e6b434 11305 u32 *buf, saved_dma_rwctrl;
1da177e4
LT		 11306 int ret;
11307
11308 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11309 if (!buf) {
11310 ret = -ENOMEM;
11311 goto out_nofree;
11312 }
11313
11314 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11315 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11316
59e6b434 11317 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4
LT		 11318
11319 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11320 /* DMA read watermark not used on PCIE */
11321 tp->dma_rwctrl |= 0x00180000;
11322 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 11323 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11324 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 11325 tp->dma_rwctrl |= 0x003f0000;
11326 else
11327 tp->dma_rwctrl |= 0x003f000f;
11328 } else {
11329 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11330 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11331 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 11332 u32 read_water = 0x7;
1da177e4 11333
4a29cc2e
MC		 11334 /* If the 5704 is behind the EPB bridge, we can
11335 * do the less restrictive ONE_DMA workaround for
11336 * better performance.
11337 */
11338 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11339 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11340 tp->dma_rwctrl |= 0x8000;
11341 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 11342 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11343
49afdeb6
MC		 11344 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11345 read_water = 4;
59e6b434 11346 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 11347 tp->dma_rwctrl |=
11348 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11349 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11350 (1 << 23);
4cf78e4f
MC		 11351 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11352 /* 5780 always in PCIX mode */
11353 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 11354 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11355 /* 5714 always in PCIX mode */
11356 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 11357 } else {
11358 tp->dma_rwctrl |= 0x001b000f;
11359 }
11360 }
11361
11362 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11363 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11364 tp->dma_rwctrl &= 0xfffffff0;
11365
11366 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11367 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11368 /* Remove this if it causes problems for some boards. */
11369 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11370
11371 /* On 5700/5701 chips, we need to set this bit.
11372 * Otherwise the chip will issue cacheline transactions
11373 * to streamable DMA memory with not all the byte
11374 * enables turned on. This is an error on several
11375 * RISC PCI controllers, in particular sparc64.
11376 *
11377 * On 5703/5704 chips, this bit has been reassigned
11378 * a different meaning. In particular, it is used
11379 * on those chips to enable a PCI-X workaround.
11380 */
11381 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11382 }
11383
11384 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11385
11386#if 0
11387 /* Unneeded, already done by tg3_get_invariants. */
11388 tg3_switch_clocks(tp);
11389#endif
11390
11391 ret = 0;
11392 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11393 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11394 goto out;
11395
59e6b434
DM		 11396 /* It is best to perform DMA test with maximum write burst size
11397 * to expose the 5700/5701 write DMA bug.
11398 */
11399 saved_dma_rwctrl = tp->dma_rwctrl;
11400 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11401 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11402
1da177e4
LT		 11403 while (1) {
11404 u32 *p = buf, i;
11405
11406 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11407 p[i] = i;
11408
11409 /* Send the buffer to the chip. */
11410 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11411 if (ret) {
11412 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11413 break;
11414 }
11415
11416#if 0
11417 /* validate data reached card RAM correctly. */
11418 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11419 u32 val;
11420 tg3_read_mem(tp, 0x2100 + (i*4), &val);
11421 if (le32_to_cpu(val) != p[i]) {
11422 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
11423 /* ret = -ENODEV here? */
11424 }
11425 p[i] = 0;
11426 }
11427#endif
11428 /* Now read it back. */
11429 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11430 if (ret) {
11431 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11432
11433 break;
11434 }
11435
11436 /* Verify it. */
11437 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11438 if (p[i] == i)
11439 continue;
11440
59e6b434
DM		 11441 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11442 DMA_RWCTRL_WRITE_BNDRY_16) {
11443 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 11444 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11445 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11446 break;
11447 } else {
11448 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11449 ret = -ENODEV;
11450 goto out;
11451 }
11452 }
11453
11454 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11455 /* Success. */
11456 ret = 0;
11457 break;
11458 }
11459 }
59e6b434
DM		 11460 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11461 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 11462 static struct pci_device_id dma_wait_state_chipsets[] = {
11463 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11464 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11465 { },
11466 };
11467
59e6b434 11468 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 11469 * now look for chipsets that are known to expose the
11470 * DMA bug without failing the test.
59e6b434 11471 */
6d1cfbab
MC		 11472 if (pci_dev_present(dma_wait_state_chipsets)) {
11473 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11474 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11475 }
11476 else
11477 /* Safe to use the calculated DMA boundary. */
11478 tp->dma_rwctrl = saved_dma_rwctrl;
11479
59e6b434
DM		 11480 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11481 }
1da177e4
LT		 11482
11483out:
11484 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11485out_nofree:
11486 return ret;
11487}
11488
11489static void __devinit tg3_init_link_config(struct tg3 *tp)
11490{
11491 tp->link_config.advertising =
11492 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11493 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11494 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11495 ADVERTISED_Autoneg | ADVERTISED_MII);
11496 tp->link_config.speed = SPEED_INVALID;
11497 tp->link_config.duplex = DUPLEX_INVALID;
11498 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 11499 tp->link_config.active_speed = SPEED_INVALID;
11500 tp->link_config.active_duplex = DUPLEX_INVALID;
11501 tp->link_config.phy_is_low_power = 0;
11502 tp->link_config.orig_speed = SPEED_INVALID;
11503 tp->link_config.orig_duplex = DUPLEX_INVALID;
11504 tp->link_config.orig_autoneg = AUTONEG_INVALID;
11505}
11506
11507static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11508{
fdfec172
MC		 11509 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11510 tp->bufmgr_config.mbuf_read_dma_low_water =
11511 DEFAULT_MB_RDMA_LOW_WATER_5705;
11512 tp->bufmgr_config.mbuf_mac_rx_low_water =
11513 DEFAULT_MB_MACRX_LOW_WATER_5705;
11514 tp->bufmgr_config.mbuf_high_water =
11515 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 11516 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11517 tp->bufmgr_config.mbuf_mac_rx_low_water =
11518 DEFAULT_MB_MACRX_LOW_WATER_5906;
11519 tp->bufmgr_config.mbuf_high_water =
11520 DEFAULT_MB_HIGH_WATER_5906;
11521 }
fdfec172
MC		 11522
11523 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11524 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11525 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11526 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11527 tp->bufmgr_config.mbuf_high_water_jumbo =
11528 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11529 } else {
11530 tp->bufmgr_config.mbuf_read_dma_low_water =
11531 DEFAULT_MB_RDMA_LOW_WATER;
11532 tp->bufmgr_config.mbuf_mac_rx_low_water =
11533 DEFAULT_MB_MACRX_LOW_WATER;
11534 tp->bufmgr_config.mbuf_high_water =
11535 DEFAULT_MB_HIGH_WATER;
11536
11537 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11538 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11539 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11540 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11541 tp->bufmgr_config.mbuf_high_water_jumbo =
11542 DEFAULT_MB_HIGH_WATER_JUMBO;
11543 }
1da177e4
LT		 11544
11545 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11546 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11547}
11548
11549static char * __devinit tg3_phy_string(struct tg3 *tp)
11550{
11551 switch (tp->phy_id & PHY_ID_MASK) {
11552 case PHY_ID_BCM5400: return "5400";
11553 case PHY_ID_BCM5401: return "5401";
11554 case PHY_ID_BCM5411: return "5411";
11555 case PHY_ID_BCM5701: return "5701";
11556 case PHY_ID_BCM5703: return "5703";
11557 case PHY_ID_BCM5704: return "5704";
11558 case PHY_ID_BCM5705: return "5705";
11559 case PHY_ID_BCM5750: return "5750";
85e94ced 11560 case PHY_ID_BCM5752: return "5752";
a4e2b347 11561 case PHY_ID_BCM5714: return "5714";
4cf78e4f 11562 case PHY_ID_BCM5780: return "5780";
af36e6b6 11563 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 11564 case PHY_ID_BCM5787: return "5787";
126a3368 11565 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 11566 case PHY_ID_BCM5906: return "5906";
1da177e4
LT		 11567 case PHY_ID_BCM8002: return "8002/serdes";
11568 case 0: return "serdes";
11569 default: return "unknown";
11570 };
11571}
11572
f9804ddb
MC		 11573static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11574{
11575 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11576 strcpy(str, "PCI Express");
11577 return str;
11578 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11579 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11580
11581 strcpy(str, "PCIX:");
11582
11583 if ((clock_ctrl == 7) ||
11584 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11585 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11586 strcat(str, "133MHz");
11587 else if (clock_ctrl == 0)
11588 strcat(str, "33MHz");
11589 else if (clock_ctrl == 2)
11590 strcat(str, "50MHz");
11591 else if (clock_ctrl == 4)
11592 strcat(str, "66MHz");
11593 else if (clock_ctrl == 6)
11594 strcat(str, "100MHz");
f9804ddb
MC		 11595 } else {
11596 strcpy(str, "PCI:");
11597 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11598 strcat(str, "66MHz");
11599 else
11600 strcat(str, "33MHz");
11601 }
11602 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11603 strcat(str, ":32-bit");
11604 else
11605 strcat(str, ":64-bit");
11606 return str;
11607}
11608
8c2dc7e1 11609static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 11610{
11611 struct pci_dev *peer;
11612 unsigned int func, devnr = tp->pdev->devfn & ~7;
11613
11614 for (func = 0; func < 8; func++) {
11615 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11616 if (peer && peer != tp->pdev)
11617 break;
11618 pci_dev_put(peer);
11619 }
16fe9d74
MC		 11620 /* 5704 can be configured in single-port mode, set peer to
11621 * tp->pdev in that case.
11622 */
11623 if (!peer) {
11624 peer = tp->pdev;
11625 return peer;
11626 }
1da177e4
LT		 11627
11628 /*
11629 * We don't need to keep the refcount elevated; there's no way
11630 * to remove one half of this device without removing the other
11631 */
11632 pci_dev_put(peer);
11633
11634 return peer;
11635}
11636
15f9850d
DM		 11637static void __devinit tg3_init_coal(struct tg3 *tp)
11638{
11639 struct ethtool_coalesce *ec = &tp->coal;
11640
11641 memset(ec, 0, sizeof(*ec));
11642 ec->cmd = ETHTOOL_GCOALESCE;
11643 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11644 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11645 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11646 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11647 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11648 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11649 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11650 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11651 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11652
11653 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11654 HOSTCC_MODE_CLRTICK_TXBD)) {
11655 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11656 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11657 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11658 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11659 }
d244c892
MC		 11660
11661 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11662 ec->rx_coalesce_usecs_irq = 0;
11663 ec->tx_coalesce_usecs_irq = 0;
11664 ec->stats_block_coalesce_usecs = 0;
11665 }
15f9850d
DM		 11666}
11667
1da177e4
LT		 11668static int __devinit tg3_init_one(struct pci_dev *pdev,
11669 const struct pci_device_id *ent)
11670{
11671 static int tg3_version_printed = 0;
11672 unsigned long tg3reg_base, tg3reg_len;
11673 struct net_device *dev;
11674 struct tg3 *tp;
72f2afb8 11675 int i, err, pm_cap;
f9804ddb 11676 char str[40];
72f2afb8 11677 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 11678
11679 if (tg3_version_printed++ == 0)
11680 printk(KERN_INFO "%s", version);
11681
11682 err = pci_enable_device(pdev);
11683 if (err) {
11684 printk(KERN_ERR PFX "Cannot enable PCI device, "
11685 "aborting.\n");
11686 return err;
11687 }
11688
11689 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11690 printk(KERN_ERR PFX "Cannot find proper PCI device "
11691 "base address, aborting.\n");
11692 err = -ENODEV;
11693 goto err_out_disable_pdev;
11694 }
11695
11696 err = pci_request_regions(pdev, DRV_MODULE_NAME);
11697 if (err) {
11698 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11699 "aborting.\n");
11700 goto err_out_disable_pdev;
11701 }
11702
11703 pci_set_master(pdev);
11704
11705 /* Find power-management capability. */
11706 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11707 if (pm_cap == 0) {
11708 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11709 "aborting.\n");
11710 err = -EIO;
11711 goto err_out_free_res;
11712 }
11713
1da177e4
LT		 11714 tg3reg_base = pci_resource_start(pdev, 0);
11715 tg3reg_len = pci_resource_len(pdev, 0);
11716
11717 dev = alloc_etherdev(sizeof(*tp));
11718 if (!dev) {
11719 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11720 err = -ENOMEM;
11721 goto err_out_free_res;
11722 }
11723
11724 SET_MODULE_OWNER(dev);
11725 SET_NETDEV_DEV(dev, &pdev->dev);
11726
1da177e4
LT		 11727#if TG3_VLAN_TAG_USED
11728 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11729 dev->vlan_rx_register = tg3_vlan_rx_register;
11730 dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11731#endif
11732
11733 tp = netdev_priv(dev);
11734 tp->pdev = pdev;
11735 tp->dev = dev;
11736 tp->pm_cap = pm_cap;
11737 tp->mac_mode = TG3_DEF_MAC_MODE;
11738 tp->rx_mode = TG3_DEF_RX_MODE;
11739 tp->tx_mode = TG3_DEF_TX_MODE;
11740 tp->mi_mode = MAC_MI_MODE_BASE;
11741 if (tg3_debug > 0)
11742 tp->msg_enable = tg3_debug;
11743 else
11744 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11745
11746 /* The word/byte swap controls here control register access byte
11747 * swapping. DMA data byte swapping is controlled in the GRC_MODE
11748 * setting below.
11749 */
11750 tp->misc_host_ctrl =
11751 MISC_HOST_CTRL_MASK_PCI_INT |
11752 MISC_HOST_CTRL_WORD_SWAP |
11753 MISC_HOST_CTRL_INDIR_ACCESS |
11754 MISC_HOST_CTRL_PCISTATE_RW;
11755
11756 /* The NONFRM (non-frame) byte/word swap controls take effect
11757 * on descriptor entries, anything which isn't packet data.
11758 *
11759 * The StrongARM chips on the board (one for tx, one for rx)
11760 * are running in big-endian mode.
11761 */
11762 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11763 GRC_MODE_WSWAP_NONFRM_DATA);
11764#ifdef __BIG_ENDIAN
11765 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11766#endif
11767 spin_lock_init(&tp->lock);
1da177e4 11768 spin_lock_init(&tp->indirect_lock);
c4028958 11769 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4
LT		 11770
11771 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11772 if (tp->regs == 0UL) {
11773 printk(KERN_ERR PFX "Cannot map device registers, "
11774 "aborting.\n");
11775 err = -ENOMEM;
11776 goto err_out_free_dev;
11777 }
11778
11779 tg3_init_link_config(tp);
11780
1da177e4
LT		 11781 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11782 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11783 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11784
11785 dev->open = tg3_open;
11786 dev->stop = tg3_close;
11787 dev->get_stats = tg3_get_stats;
11788 dev->set_multicast_list = tg3_set_rx_mode;
11789 dev->set_mac_address = tg3_set_mac_addr;
11790 dev->do_ioctl = tg3_ioctl;
11791 dev->tx_timeout = tg3_tx_timeout;
11792 dev->poll = tg3_poll;
11793 dev->ethtool_ops = &tg3_ethtool_ops;
11794 dev->weight = 64;
11795 dev->watchdog_timeo = TG3_TX_TIMEOUT;
11796 dev->change_mtu = tg3_change_mtu;
11797 dev->irq = pdev->irq;
11798#ifdef CONFIG_NET_POLL_CONTROLLER
11799 dev->poll_controller = tg3_poll_controller;
11800#endif
11801
11802 err = tg3_get_invariants(tp);
11803 if (err) {
11804 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11805 "aborting.\n");
11806 goto err_out_iounmap;
11807 }
11808
4a29cc2e
MC		 11809 /* The EPB bridge inside 5714, 5715, and 5780 and any
11810 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 11811 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11812 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11813 * do DMA address check in tg3_start_xmit().
11814 */
4a29cc2e
MC		 11815 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11816 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11817 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
72f2afb8
MC		 11818 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11819#ifdef CONFIG_HIGHMEM
11820 dma_mask = DMA_64BIT_MASK;
11821#endif
4a29cc2e 11822 } else
72f2afb8
MC		 11823 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11824
11825 /* Configure DMA attributes. */
11826 if (dma_mask > DMA_32BIT_MASK) {
11827 err = pci_set_dma_mask(pdev, dma_mask);
11828 if (!err) {
11829 dev->features |= NETIF_F_HIGHDMA;
11830 err = pci_set_consistent_dma_mask(pdev,
11831 persist_dma_mask);
11832 if (err < 0) {
11833 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11834 "DMA for consistent allocations\n");
11835 goto err_out_iounmap;
11836 }
11837 }
11838 }
11839 if (err || dma_mask == DMA_32BIT_MASK) {
11840 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11841 if (err) {
11842 printk(KERN_ERR PFX "No usable DMA configuration, "
11843 "aborting.\n");
11844 goto err_out_iounmap;
11845 }
11846 }
11847
fdfec172 11848 tg3_init_bufmgr_config(tp);
1da177e4 11849
1da177e4
LT		 11850 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11851 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11852 }
11853 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11854 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11855 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
c7835a77 11856 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
1da177e4
LT		 11857 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11858 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11859 } else {
11860 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11861 }
11862
4e3a7aaa
MC		 11863 /* TSO is on by default on chips that support hardware TSO.
11864 * Firmware TSO on older chips gives lower performance, so it
11865 * is off by default, but can be enabled using ethtool.
11866 */
b0026624 11867 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
1da177e4 11868 dev->features |= NETIF_F_TSO;
b5d3772c
MC		 11869 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11870 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
b0026624
MC		 11871 dev->features |= NETIF_F_TSO6;
11872 }
1da177e4 11873
1da177e4
LT		 11874
11875 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11876 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11877 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11878 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11879 tp->rx_pending = 63;
11880 }
11881
8c2dc7e1
MC		 11882 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11883 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11884 tp->pdev_peer = tg3_find_peer(tp);
1da177e4
LT		 11885
11886 err = tg3_get_device_address(tp);
11887 if (err) {
11888 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11889 "aborting.\n");
11890 goto err_out_iounmap;
11891 }
11892
11893 /*
11894 * Reset chip in case UNDI or EFI driver did not shutdown
11895 * DMA self test will enable WDMAC and we'll see (spurious)
11896 * pending DMA on the PCI bus at that point.
11897 */
11898 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11899 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11900 pci_save_state(tp->pdev);
11901 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 11902 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 11903 }
11904
11905 err = tg3_test_dma(tp);
11906 if (err) {
11907 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11908 goto err_out_iounmap;
11909 }
11910
11911 /* Tigon3 can do ipv4 only... and some chips have buggy
11912 * checksumming.
11913 */
11914 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
af36e6b6
MC		 11915 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11916 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf
MC		 11917 dev->features |= NETIF_F_HW_CSUM;
11918 else
11919 dev->features |= NETIF_F_IP_CSUM;
11920 dev->features |= NETIF_F_SG;
1da177e4
LT		 11921 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11922 } else
11923 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11924
1da177e4
LT		 11925 /* flow control autonegotiation is default behavior */
11926 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11927
15f9850d
DM		 11928 tg3_init_coal(tp);
11929
7d3f4c97
DM		 11930 /* Now that we have fully setup the chip, save away a snapshot
11931 * of the PCI config space. We need to restore this after
11932 * GRC_MISC_CFG core clock resets and some resume events.
11933 */
11934 pci_save_state(tp->pdev);
11935
c49a1561
MC		 11936 pci_set_drvdata(pdev, dev);
11937
1da177e4
LT		 11938 err = register_netdev(dev);
11939 if (err) {
11940 printk(KERN_ERR PFX "Cannot register net device, "
11941 "aborting.\n");
11942 goto err_out_iounmap;
11943 }
11944
cbb45d21 11945 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
1da177e4
LT		 11946 dev->name,
11947 tp->board_part_number,
11948 tp->pci_chip_rev_id,
11949 tg3_phy_string(tp),
f9804ddb 11950 tg3_bus_string(tp, str),
cbb45d21
MC		 11951 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
11952 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
11953 "10/100/1000Base-T")));
1da177e4
LT		 11954
11955 for (i = 0; i < 6; i++)
11956 printk("%2.2x%c", dev->dev_addr[i],
11957 i == 5 ? '\n' : ':');
11958
11959 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11960 "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11961 "TSOcap[%d] \n",
11962 dev->name,
11963 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11964 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11965 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11966 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11967 (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11968 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11969 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 11970 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11971 dev->name, tp->dma_rwctrl,
11972 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11973 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
1da177e4
LT		 11974
11975 return 0;
11976
11977err_out_iounmap:
6892914f
MC		 11978 if (tp->regs) {
11979 iounmap(tp->regs);
22abe310 11980 tp->regs = NULL;
6892914f 11981 }
1da177e4
LT		 11982
11983err_out_free_dev:
11984 free_netdev(dev);
11985
11986err_out_free_res:
11987 pci_release_regions(pdev);
11988
11989err_out_disable_pdev:
11990 pci_disable_device(pdev);
11991 pci_set_drvdata(pdev, NULL);
11992 return err;
11993}
11994
11995static void __devexit tg3_remove_one(struct pci_dev *pdev)
11996{
11997 struct net_device *dev = pci_get_drvdata(pdev);
11998
11999 if (dev) {
12000 struct tg3 *tp = netdev_priv(dev);
12001
7faa006f 12002 flush_scheduled_work();
1da177e4 12003 unregister_netdev(dev);
6892914f
MC		 12004 if (tp->regs) {
12005 iounmap(tp->regs);
22abe310 12006 tp->regs = NULL;
6892914f 12007 }
1da177e4
LT		 12008 free_netdev(dev);
12009 pci_release_regions(pdev);
12010 pci_disable_device(pdev);
12011 pci_set_drvdata(pdev, NULL);
12012 }
12013}
12014
12015static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12016{
12017 struct net_device *dev = pci_get_drvdata(pdev);
12018 struct tg3 *tp = netdev_priv(dev);
12019 int err;
12020
12021 if (!netif_running(dev))
12022 return 0;
12023
7faa006f 12024 flush_scheduled_work();
1da177e4
LT		 12025 tg3_netif_stop(tp);
12026
12027 del_timer_sync(&tp->timer);
12028
f47c11ee 12029 tg3_full_lock(tp, 1);
1da177e4 12030 tg3_disable_ints(tp);
f47c11ee 12031 tg3_full_unlock(tp);
1da177e4
LT		 12032
12033 netif_device_detach(dev);
12034
f47c11ee 12035 tg3_full_lock(tp, 0);
944d980e 12036 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 12037 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 12038 tg3_full_unlock(tp);
1da177e4 12039
436f1379
MC		 12040 /* Save MSI address and data for resume. */
12041 pci_save_state(pdev);
12042
1da177e4
LT		 12043 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12044 if (err) {
f47c11ee 12045 tg3_full_lock(tp, 0);
1da177e4 12046
6a9eba15 12047 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12048 if (tg3_restart_hw(tp, 1))
12049 goto out;
1da177e4
LT		 12050
12051 tp->timer.expires = jiffies + tp->timer_offset;
12052 add_timer(&tp->timer);
12053
12054 netif_device_attach(dev);
12055 tg3_netif_start(tp);
12056
b9ec6c1b 12057out:
f47c11ee 12058 tg3_full_unlock(tp);
1da177e4
LT		 12059 }
12060
12061 return err;
12062}
12063
12064static int tg3_resume(struct pci_dev *pdev)
12065{
12066 struct net_device *dev = pci_get_drvdata(pdev);
12067 struct tg3 *tp = netdev_priv(dev);
12068 int err;
12069
12070 if (!netif_running(dev))
12071 return 0;
12072
12073 pci_restore_state(tp->pdev);
12074
bc1c7567 12075 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 12076 if (err)
12077 return err;
12078
12079 netif_device_attach(dev);
12080
f47c11ee 12081 tg3_full_lock(tp, 0);
1da177e4 12082
6a9eba15 12083 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12084 err = tg3_restart_hw(tp, 1);
12085 if (err)
12086 goto out;
1da177e4
LT		 12087
12088 tp->timer.expires = jiffies + tp->timer_offset;
12089 add_timer(&tp->timer);
12090
1da177e4
LT		 12091 tg3_netif_start(tp);
12092
b9ec6c1b 12093out:
f47c11ee 12094 tg3_full_unlock(tp);
1da177e4 12095
b9ec6c1b 12096 return err;
1da177e4
LT		 12097}
12098
12099static struct pci_driver tg3_driver = {
12100 .name = DRV_MODULE_NAME,
12101 .id_table = tg3_pci_tbl,
12102 .probe = tg3_init_one,
12103 .remove = __devexit_p(tg3_remove_one),
12104 .suspend = tg3_suspend,
12105 .resume = tg3_resume
12106};
12107
12108static int __init tg3_init(void)
12109{
29917620 12110 return pci_register_driver(&tg3_driver);
1da177e4
LT		 12111}
12112
12113static void __exit tg3_cleanup(void)
12114{
12115 pci_unregister_driver(&tg3_driver);
12116}
12117
12118module_init(tg3_init);
12119module_exit(tg3_cleanup);
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