2 * tg3.c: Broadcom Tigon3 ethernet driver.
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) 2005-2010 Broadcom Corporation.
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
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.
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/stringify.h>
22 #include <linux/kernel.h>
23 #include <linux/types.h>
24 #include <linux/compiler.h>
25 #include <linux/slab.h>
26 #include <linux/delay.h>
28 #include <linux/init.h>
29 #include <linux/ioport.h>
30 #include <linux/pci.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/skbuff.h>
34 #include <linux/ethtool.h>
35 #include <linux/mii.h>
36 #include <linux/phy.h>
37 #include <linux/brcmphy.h>
38 #include <linux/if_vlan.h>
40 #include <linux/tcp.h>
41 #include <linux/workqueue.h>
42 #include <linux/prefetch.h>
43 #include <linux/dma-mapping.h>
44 #include <linux/firmware.h>
46 #include <net/checksum.h>
49 #include <asm/system.h>
51 #include <asm/byteorder.h>
52 #include <asm/uaccess.h>
55 #include <asm/idprom.h>
62 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
63 #define TG3_VLAN_TAG_USED 1
65 #define TG3_VLAN_TAG_USED 0
70 #define DRV_MODULE_NAME "tg3"
72 #define TG3_MIN_NUM 113
73 #define DRV_MODULE_VERSION \
74 __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM)
75 #define DRV_MODULE_RELDATE "August 2, 2010"
77 #define TG3_DEF_MAC_MODE 0
78 #define TG3_DEF_RX_MODE 0
79 #define TG3_DEF_TX_MODE 0
80 #define TG3_DEF_MSG_ENABLE \
90 /* length of time before we decide the hardware is borked,
91 * and dev->tx_timeout() should be called to fix the problem
93 #define TG3_TX_TIMEOUT (5 * HZ)
95 /* hardware minimum and maximum for a single frame's data payload */
96 #define TG3_MIN_MTU 60
97 #define TG3_MAX_MTU(tp) \
98 ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
100 /* These numbers seem to be hard coded in the NIC firmware somehow.
101 * You can't change the ring sizes, but you can change where you place
102 * them in the NIC onboard memory.
104 #define TG3_RX_RING_SIZE 512
105 #define TG3_DEF_RX_RING_PENDING 200
106 #define TG3_RX_JUMBO_RING_SIZE 256
107 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
108 #define TG3_RSS_INDIR_TBL_SIZE 128
110 /* Do not place this n-ring entries value into the tp struct itself,
111 * we really want to expose these constants to GCC so that modulo et
112 * al. operations are done with shifts and masks instead of with
113 * hw multiply/modulo instructions. Another solution would be to
114 * replace things like '% foo' with '& (foo - 1)'.
116 #define TG3_RX_RCB_RING_SIZE(tp) \
117 (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
118 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
120 #define TG3_TX_RING_SIZE 512
121 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
123 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
125 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
126 TG3_RX_JUMBO_RING_SIZE)
127 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
128 TG3_RX_RCB_RING_SIZE(tp))
129 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
131 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
133 #define TG3_RX_DMA_ALIGN 16
134 #define TG3_RX_HEADROOM ALIGN(VLAN_HLEN, TG3_RX_DMA_ALIGN)
136 #define TG3_DMA_BYTE_ENAB 64
138 #define TG3_RX_STD_DMA_SZ 1536
139 #define TG3_RX_JMB_DMA_SZ 9046
141 #define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
143 #define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
144 #define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
146 #define TG3_RX_STD_BUFF_RING_SIZE \
147 (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
149 #define TG3_RX_JMB_BUFF_RING_SIZE \
150 (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
152 /* Due to a hardware bug, the 5701 can only DMA to memory addresses
153 * that are at least dword aligned when used in PCIX mode. The driver
154 * works around this bug by double copying the packet. This workaround
155 * is built into the normal double copy length check for efficiency.
157 * However, the double copy is only necessary on those architectures
158 * where unaligned memory accesses are inefficient. For those architectures
159 * where unaligned memory accesses incur little penalty, we can reintegrate
160 * the 5701 in the normal rx path. Doing so saves a device structure
161 * dereference by hardcoding the double copy threshold in place.
163 #define TG3_RX_COPY_THRESHOLD 256
164 #if NET_IP_ALIGN == 0 || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
165 #define TG3_RX_COPY_THRESH(tp) TG3_RX_COPY_THRESHOLD
167 #define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh)
170 /* minimum number of free TX descriptors required to wake up TX process */
171 #define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
173 #define TG3_RAW_IP_ALIGN 2
175 /* number of ETHTOOL_GSTATS u64's */
176 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
178 #define TG3_NUM_TEST 6
180 #define TG3_FW_UPDATE_TIMEOUT_SEC 5
182 #define FIRMWARE_TG3 "tigon/tg3.bin"
183 #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
184 #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
186 static char version[] __devinitdata =
187 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")";
189 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
190 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
191 MODULE_LICENSE("GPL");
192 MODULE_VERSION(DRV_MODULE_VERSION);
193 MODULE_FIRMWARE(FIRMWARE_TG3);
194 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
195 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
197 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
198 module_param(tg3_debug, int, 0);
199 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
201 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
238 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
239 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
240 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
241 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
242 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
243 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
244 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
245 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
246 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
247 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
248 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
249 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
250 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
251 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
252 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
253 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
254 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
255 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
256 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
257 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
258 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
259 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
260 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
261 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
262 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
263 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
264 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
265 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
266 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
267 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
268 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
269 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
270 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
271 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
272 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
273 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
274 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)},
275 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
276 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
277 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
278 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
279 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
280 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
281 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
285 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
287 static const struct {
288 const char string[ETH_GSTRING_LEN];
289 } ethtool_stats_keys[TG3_NUM_STATS] = {
292 { "rx_ucast_packets" },
293 { "rx_mcast_packets" },
294 { "rx_bcast_packets" },
296 { "rx_align_errors" },
297 { "rx_xon_pause_rcvd" },
298 { "rx_xoff_pause_rcvd" },
299 { "rx_mac_ctrl_rcvd" },
300 { "rx_xoff_entered" },
301 { "rx_frame_too_long_errors" },
303 { "rx_undersize_packets" },
304 { "rx_in_length_errors" },
305 { "rx_out_length_errors" },
306 { "rx_64_or_less_octet_packets" },
307 { "rx_65_to_127_octet_packets" },
308 { "rx_128_to_255_octet_packets" },
309 { "rx_256_to_511_octet_packets" },
310 { "rx_512_to_1023_octet_packets" },
311 { "rx_1024_to_1522_octet_packets" },
312 { "rx_1523_to_2047_octet_packets" },
313 { "rx_2048_to_4095_octet_packets" },
314 { "rx_4096_to_8191_octet_packets" },
315 { "rx_8192_to_9022_octet_packets" },
322 { "tx_flow_control" },
324 { "tx_single_collisions" },
325 { "tx_mult_collisions" },
327 { "tx_excessive_collisions" },
328 { "tx_late_collisions" },
329 { "tx_collide_2times" },
330 { "tx_collide_3times" },
331 { "tx_collide_4times" },
332 { "tx_collide_5times" },
333 { "tx_collide_6times" },
334 { "tx_collide_7times" },
335 { "tx_collide_8times" },
336 { "tx_collide_9times" },
337 { "tx_collide_10times" },
338 { "tx_collide_11times" },
339 { "tx_collide_12times" },
340 { "tx_collide_13times" },
341 { "tx_collide_14times" },
342 { "tx_collide_15times" },
343 { "tx_ucast_packets" },
344 { "tx_mcast_packets" },
345 { "tx_bcast_packets" },
346 { "tx_carrier_sense_errors" },
350 { "dma_writeq_full" },
351 { "dma_write_prioq_full" },
355 { "rx_threshold_hit" },
357 { "dma_readq_full" },
358 { "dma_read_prioq_full" },
359 { "tx_comp_queue_full" },
361 { "ring_set_send_prod_index" },
362 { "ring_status_update" },
364 { "nic_avoided_irqs" },
365 { "nic_tx_threshold_hit" }
368 static const struct {
369 const char string[ETH_GSTRING_LEN];
370 } ethtool_test_keys[TG3_NUM_TEST] = {
371 { "nvram test (online) " },
372 { "link test (online) " },
373 { "register test (offline)" },
374 { "memory test (offline)" },
375 { "loopback test (offline)" },
376 { "interrupt test (offline)" },
379 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
381 writel(val, tp->regs + off);
384 static u32 tg3_read32(struct tg3 *tp, u32 off)
386 return readl(tp->regs + off);
389 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
391 writel(val, tp->aperegs + off);
394 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
396 return readl(tp->aperegs + off);
399 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
403 spin_lock_irqsave(&tp->indirect_lock, flags);
404 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
405 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
406 spin_unlock_irqrestore(&tp->indirect_lock, flags);
409 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
411 writel(val, tp->regs + off);
412 readl(tp->regs + off);
415 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
420 spin_lock_irqsave(&tp->indirect_lock, flags);
421 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
422 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
423 spin_unlock_irqrestore(&tp->indirect_lock, flags);
427 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
431 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
432 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
433 TG3_64BIT_REG_LOW, val);
436 if (off == TG3_RX_STD_PROD_IDX_REG) {
437 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
438 TG3_64BIT_REG_LOW, val);
442 spin_lock_irqsave(&tp->indirect_lock, flags);
443 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
444 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
445 spin_unlock_irqrestore(&tp->indirect_lock, flags);
447 /* In indirect mode when disabling interrupts, we also need
448 * to clear the interrupt bit in the GRC local ctrl register.
450 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
452 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
453 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
457 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
462 spin_lock_irqsave(&tp->indirect_lock, flags);
463 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
464 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
465 spin_unlock_irqrestore(&tp->indirect_lock, flags);
469 /* usec_wait specifies the wait time in usec when writing to certain registers
470 * where it is unsafe to read back the register without some delay.
471 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
472 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
474 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
476 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
477 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
478 /* Non-posted methods */
479 tp->write32(tp, off, val);
482 tg3_write32(tp, off, val);
487 /* Wait again after the read for the posted method to guarantee that
488 * the wait time is met.
494 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
496 tp->write32_mbox(tp, off, val);
497 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
498 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
499 tp->read32_mbox(tp, off);
502 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
504 void __iomem *mbox = tp->regs + off;
506 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
508 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
512 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
514 return readl(tp->regs + off + GRCMBOX_BASE);
517 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
519 writel(val, tp->regs + off + GRCMBOX_BASE);
522 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
523 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
524 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
525 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
526 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
528 #define tw32(reg, val) tp->write32(tp, reg, val)
529 #define tw32_f(reg, val) _tw32_flush(tp, (reg), (val), 0)
530 #define tw32_wait_f(reg, val, us) _tw32_flush(tp, (reg), (val), (us))
531 #define tr32(reg) tp->read32(tp, reg)
533 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
537 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
538 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
541 spin_lock_irqsave(&tp->indirect_lock, flags);
542 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
543 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
544 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
546 /* Always leave this as zero. */
547 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
549 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
550 tw32_f(TG3PCI_MEM_WIN_DATA, val);
552 /* Always leave this as zero. */
553 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
555 spin_unlock_irqrestore(&tp->indirect_lock, flags);
558 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
562 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
563 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
568 spin_lock_irqsave(&tp->indirect_lock, flags);
569 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
570 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
571 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
573 /* Always leave this as zero. */
574 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
576 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
577 *val = tr32(TG3PCI_MEM_WIN_DATA);
579 /* Always leave this as zero. */
580 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
582 spin_unlock_irqrestore(&tp->indirect_lock, flags);
585 static void tg3_ape_lock_init(struct tg3 *tp)
590 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
591 regbase = TG3_APE_LOCK_GRANT;
593 regbase = TG3_APE_PER_LOCK_GRANT;
595 /* Make sure the driver hasn't any stale locks. */
596 for (i = 0; i < 8; i++)
597 tg3_ape_write32(tp, regbase + 4 * i, APE_LOCK_GRANT_DRIVER);
600 static int tg3_ape_lock(struct tg3 *tp, int locknum)
604 u32 status, req, gnt;
606 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
610 case TG3_APE_LOCK_GRC:
611 case TG3_APE_LOCK_MEM:
617 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
618 req = TG3_APE_LOCK_REQ;
619 gnt = TG3_APE_LOCK_GRANT;
621 req = TG3_APE_PER_LOCK_REQ;
622 gnt = TG3_APE_PER_LOCK_GRANT;
627 tg3_ape_write32(tp, req + off, APE_LOCK_REQ_DRIVER);
629 /* Wait for up to 1 millisecond to acquire lock. */
630 for (i = 0; i < 100; i++) {
631 status = tg3_ape_read32(tp, gnt + off);
632 if (status == APE_LOCK_GRANT_DRIVER)
637 if (status != APE_LOCK_GRANT_DRIVER) {
638 /* Revoke the lock request. */
639 tg3_ape_write32(tp, gnt + off,
640 APE_LOCK_GRANT_DRIVER);
648 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
652 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
656 case TG3_APE_LOCK_GRC:
657 case TG3_APE_LOCK_MEM:
663 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
664 gnt = TG3_APE_LOCK_GRANT;
666 gnt = TG3_APE_PER_LOCK_GRANT;
668 tg3_ape_write32(tp, gnt + 4 * locknum, APE_LOCK_GRANT_DRIVER);
671 static void tg3_disable_ints(struct tg3 *tp)
675 tw32(TG3PCI_MISC_HOST_CTRL,
676 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
677 for (i = 0; i < tp->irq_max; i++)
678 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
681 static void tg3_enable_ints(struct tg3 *tp)
688 tw32(TG3PCI_MISC_HOST_CTRL,
689 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
691 tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
692 for (i = 0; i < tp->irq_cnt; i++) {
693 struct tg3_napi *tnapi = &tp->napi[i];
695 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
696 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
697 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
699 tp->coal_now |= tnapi->coal_now;
702 /* Force an initial interrupt */
703 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
704 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
705 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
707 tw32(HOSTCC_MODE, tp->coal_now);
709 tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
712 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
714 struct tg3 *tp = tnapi->tp;
715 struct tg3_hw_status *sblk = tnapi->hw_status;
716 unsigned int work_exists = 0;
718 /* check for phy events */
719 if (!(tp->tg3_flags &
720 (TG3_FLAG_USE_LINKCHG_REG |
721 TG3_FLAG_POLL_SERDES))) {
722 if (sblk->status & SD_STATUS_LINK_CHG)
725 /* check for RX/TX work to do */
726 if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
727 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
734 * similar to tg3_enable_ints, but it accurately determines whether there
735 * is new work pending and can return without flushing the PIO write
736 * which reenables interrupts
738 static void tg3_int_reenable(struct tg3_napi *tnapi)
740 struct tg3 *tp = tnapi->tp;
742 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
745 /* When doing tagged status, this work check is unnecessary.
746 * The last_tag we write above tells the chip which piece of
747 * work we've completed.
749 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
751 tw32(HOSTCC_MODE, tp->coalesce_mode |
752 HOSTCC_MODE_ENABLE | tnapi->coal_now);
755 static void tg3_napi_disable(struct tg3 *tp)
759 for (i = tp->irq_cnt - 1; i >= 0; i--)
760 napi_disable(&tp->napi[i].napi);
763 static void tg3_napi_enable(struct tg3 *tp)
767 for (i = 0; i < tp->irq_cnt; i++)
768 napi_enable(&tp->napi[i].napi);
771 static inline void tg3_netif_stop(struct tg3 *tp)
773 tp->dev->trans_start = jiffies; /* prevent tx timeout */
774 tg3_napi_disable(tp);
775 netif_tx_disable(tp->dev);
778 static inline void tg3_netif_start(struct tg3 *tp)
780 /* NOTE: unconditional netif_tx_wake_all_queues is only
781 * appropriate so long as all callers are assured to
782 * have free tx slots (such as after tg3_init_hw)
784 netif_tx_wake_all_queues(tp->dev);
787 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
791 static void tg3_switch_clocks(struct tg3 *tp)
796 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
797 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
800 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
802 orig_clock_ctrl = clock_ctrl;
803 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
804 CLOCK_CTRL_CLKRUN_OENABLE |
806 tp->pci_clock_ctrl = clock_ctrl;
808 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
809 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
810 tw32_wait_f(TG3PCI_CLOCK_CTRL,
811 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
813 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
814 tw32_wait_f(TG3PCI_CLOCK_CTRL,
816 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
818 tw32_wait_f(TG3PCI_CLOCK_CTRL,
819 clock_ctrl | (CLOCK_CTRL_ALTCLK),
822 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
825 #define PHY_BUSY_LOOPS 5000
827 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
833 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
835 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
841 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
842 MI_COM_PHY_ADDR_MASK);
843 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
844 MI_COM_REG_ADDR_MASK);
845 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
847 tw32_f(MAC_MI_COM, frame_val);
849 loops = PHY_BUSY_LOOPS;
852 frame_val = tr32(MAC_MI_COM);
854 if ((frame_val & MI_COM_BUSY) == 0) {
856 frame_val = tr32(MAC_MI_COM);
864 *val = frame_val & MI_COM_DATA_MASK;
868 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
869 tw32_f(MAC_MI_MODE, tp->mi_mode);
876 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
882 if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
883 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
886 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
888 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
892 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
893 MI_COM_PHY_ADDR_MASK);
894 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
895 MI_COM_REG_ADDR_MASK);
896 frame_val |= (val & MI_COM_DATA_MASK);
897 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
899 tw32_f(MAC_MI_COM, frame_val);
901 loops = PHY_BUSY_LOOPS;
904 frame_val = tr32(MAC_MI_COM);
905 if ((frame_val & MI_COM_BUSY) == 0) {
907 frame_val = tr32(MAC_MI_COM);
917 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
918 tw32_f(MAC_MI_MODE, tp->mi_mode);
925 static int tg3_bmcr_reset(struct tg3 *tp)
930 /* OK, reset it, and poll the BMCR_RESET bit until it
931 * clears or we time out.
933 phy_control = BMCR_RESET;
934 err = tg3_writephy(tp, MII_BMCR, phy_control);
940 err = tg3_readphy(tp, MII_BMCR, &phy_control);
944 if ((phy_control & BMCR_RESET) == 0) {
956 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
958 struct tg3 *tp = bp->priv;
961 spin_lock_bh(&tp->lock);
963 if (tg3_readphy(tp, reg, &val))
966 spin_unlock_bh(&tp->lock);
971 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
973 struct tg3 *tp = bp->priv;
976 spin_lock_bh(&tp->lock);
978 if (tg3_writephy(tp, reg, val))
981 spin_unlock_bh(&tp->lock);
986 static int tg3_mdio_reset(struct mii_bus *bp)
991 static void tg3_mdio_config_5785(struct tg3 *tp)
994 struct phy_device *phydev;
996 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
997 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
998 case PHY_ID_BCM50610:
999 case PHY_ID_BCM50610M:
1000 val = MAC_PHYCFG2_50610_LED_MODES;
1002 case PHY_ID_BCMAC131:
1003 val = MAC_PHYCFG2_AC131_LED_MODES;
1005 case PHY_ID_RTL8211C:
1006 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
1008 case PHY_ID_RTL8201E:
1009 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
1015 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
1016 tw32(MAC_PHYCFG2, val);
1018 val = tr32(MAC_PHYCFG1);
1019 val &= ~(MAC_PHYCFG1_RGMII_INT |
1020 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
1021 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
1022 tw32(MAC_PHYCFG1, val);
1027 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE))
1028 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
1029 MAC_PHYCFG2_FMODE_MASK_MASK |
1030 MAC_PHYCFG2_GMODE_MASK_MASK |
1031 MAC_PHYCFG2_ACT_MASK_MASK |
1032 MAC_PHYCFG2_QUAL_MASK_MASK |
1033 MAC_PHYCFG2_INBAND_ENABLE;
1035 tw32(MAC_PHYCFG2, val);
1037 val = tr32(MAC_PHYCFG1);
1038 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
1039 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
1040 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1041 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1042 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
1043 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1044 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1046 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1047 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1048 tw32(MAC_PHYCFG1, val);
1050 val = tr32(MAC_EXT_RGMII_MODE);
1051 val &= ~(MAC_RGMII_MODE_RX_INT_B |
1052 MAC_RGMII_MODE_RX_QUALITY |
1053 MAC_RGMII_MODE_RX_ACTIVITY |
1054 MAC_RGMII_MODE_RX_ENG_DET |
1055 MAC_RGMII_MODE_TX_ENABLE |
1056 MAC_RGMII_MODE_TX_LOWPWR |
1057 MAC_RGMII_MODE_TX_RESET);
1058 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1059 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1060 val |= MAC_RGMII_MODE_RX_INT_B |
1061 MAC_RGMII_MODE_RX_QUALITY |
1062 MAC_RGMII_MODE_RX_ACTIVITY |
1063 MAC_RGMII_MODE_RX_ENG_DET;
1064 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1065 val |= MAC_RGMII_MODE_TX_ENABLE |
1066 MAC_RGMII_MODE_TX_LOWPWR |
1067 MAC_RGMII_MODE_TX_RESET;
1069 tw32(MAC_EXT_RGMII_MODE, val);
1072 static void tg3_mdio_start(struct tg3 *tp)
1074 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1075 tw32_f(MAC_MI_MODE, tp->mi_mode);
1078 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1079 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1080 tg3_mdio_config_5785(tp);
1083 static int tg3_mdio_init(struct tg3 *tp)
1087 struct phy_device *phydev;
1089 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
1090 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
1093 tp->phy_addr = PCI_FUNC(tp->pdev->devfn) + 1;
1095 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1096 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1098 is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1099 TG3_CPMU_PHY_STRAP_IS_SERDES;
1103 tp->phy_addr = TG3_PHY_MII_ADDR;
1107 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1108 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1111 tp->mdio_bus = mdiobus_alloc();
1112 if (tp->mdio_bus == NULL)
1115 tp->mdio_bus->name = "tg3 mdio bus";
1116 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1117 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1118 tp->mdio_bus->priv = tp;
1119 tp->mdio_bus->parent = &tp->pdev->dev;
1120 tp->mdio_bus->read = &tg3_mdio_read;
1121 tp->mdio_bus->write = &tg3_mdio_write;
1122 tp->mdio_bus->reset = &tg3_mdio_reset;
1123 tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1124 tp->mdio_bus->irq = &tp->mdio_irq[0];
1126 for (i = 0; i < PHY_MAX_ADDR; i++)
1127 tp->mdio_bus->irq[i] = PHY_POLL;
1129 /* The bus registration will look for all the PHYs on the mdio bus.
1130 * Unfortunately, it does not ensure the PHY is powered up before
1131 * accessing the PHY ID registers. A chip reset is the
1132 * quickest way to bring the device back to an operational state..
1134 if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN))
1137 i = mdiobus_register(tp->mdio_bus);
1139 dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i);
1140 mdiobus_free(tp->mdio_bus);
1144 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1146 if (!phydev || !phydev->drv) {
1147 dev_warn(&tp->pdev->dev, "No PHY devices\n");
1148 mdiobus_unregister(tp->mdio_bus);
1149 mdiobus_free(tp->mdio_bus);
1153 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1154 case PHY_ID_BCM57780:
1155 phydev->interface = PHY_INTERFACE_MODE_GMII;
1156 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1158 case PHY_ID_BCM50610:
1159 case PHY_ID_BCM50610M:
1160 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1161 PHY_BRCM_RX_REFCLK_UNUSED |
1162 PHY_BRCM_DIS_TXCRXC_NOENRGY |
1163 PHY_BRCM_AUTO_PWRDWN_ENABLE;
1164 if (tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)
1165 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1166 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1167 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1168 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1169 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1171 case PHY_ID_RTL8211C:
1172 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1174 case PHY_ID_RTL8201E:
1175 case PHY_ID_BCMAC131:
1176 phydev->interface = PHY_INTERFACE_MODE_MII;
1177 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1178 tp->phy_flags |= TG3_PHYFLG_IS_FET;
1182 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1184 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1185 tg3_mdio_config_5785(tp);
1190 static void tg3_mdio_fini(struct tg3 *tp)
1192 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1193 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1194 mdiobus_unregister(tp->mdio_bus);
1195 mdiobus_free(tp->mdio_bus);
1199 /* tp->lock is held. */
1200 static inline void tg3_generate_fw_event(struct tg3 *tp)
1204 val = tr32(GRC_RX_CPU_EVENT);
1205 val |= GRC_RX_CPU_DRIVER_EVENT;
1206 tw32_f(GRC_RX_CPU_EVENT, val);
1208 tp->last_event_jiffies = jiffies;
1211 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1213 /* tp->lock is held. */
1214 static void tg3_wait_for_event_ack(struct tg3 *tp)
1217 unsigned int delay_cnt;
1220 /* If enough time has passed, no wait is necessary. */
1221 time_remain = (long)(tp->last_event_jiffies + 1 +
1222 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1224 if (time_remain < 0)
1227 /* Check if we can shorten the wait time. */
1228 delay_cnt = jiffies_to_usecs(time_remain);
1229 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1230 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1231 delay_cnt = (delay_cnt >> 3) + 1;
1233 for (i = 0; i < delay_cnt; i++) {
1234 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1240 /* tp->lock is held. */
1241 static void tg3_ump_link_report(struct tg3 *tp)
1246 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1247 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1250 tg3_wait_for_event_ack(tp);
1252 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1254 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1257 if (!tg3_readphy(tp, MII_BMCR, ®))
1259 if (!tg3_readphy(tp, MII_BMSR, ®))
1260 val |= (reg & 0xffff);
1261 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1264 if (!tg3_readphy(tp, MII_ADVERTISE, ®))
1266 if (!tg3_readphy(tp, MII_LPA, ®))
1267 val |= (reg & 0xffff);
1268 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1271 if (!(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) {
1272 if (!tg3_readphy(tp, MII_CTRL1000, ®))
1274 if (!tg3_readphy(tp, MII_STAT1000, ®))
1275 val |= (reg & 0xffff);
1277 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1279 if (!tg3_readphy(tp, MII_PHYADDR, ®))
1283 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1285 tg3_generate_fw_event(tp);
1288 static void tg3_link_report(struct tg3 *tp)
1290 if (!netif_carrier_ok(tp->dev)) {
1291 netif_info(tp, link, tp->dev, "Link is down\n");
1292 tg3_ump_link_report(tp);
1293 } else if (netif_msg_link(tp)) {
1294 netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
1295 (tp->link_config.active_speed == SPEED_1000 ?
1297 (tp->link_config.active_speed == SPEED_100 ?
1299 (tp->link_config.active_duplex == DUPLEX_FULL ?
1302 netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
1303 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1305 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1307 tg3_ump_link_report(tp);
1311 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1315 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1316 miireg = ADVERTISE_PAUSE_CAP;
1317 else if (flow_ctrl & FLOW_CTRL_TX)
1318 miireg = ADVERTISE_PAUSE_ASYM;
1319 else if (flow_ctrl & FLOW_CTRL_RX)
1320 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1327 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1331 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1332 miireg = ADVERTISE_1000XPAUSE;
1333 else if (flow_ctrl & FLOW_CTRL_TX)
1334 miireg = ADVERTISE_1000XPSE_ASYM;
1335 else if (flow_ctrl & FLOW_CTRL_RX)
1336 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1343 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1347 if (lcladv & ADVERTISE_1000XPAUSE) {
1348 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1349 if (rmtadv & LPA_1000XPAUSE)
1350 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1351 else if (rmtadv & LPA_1000XPAUSE_ASYM)
1354 if (rmtadv & LPA_1000XPAUSE)
1355 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1357 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1358 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1365 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1369 u32 old_rx_mode = tp->rx_mode;
1370 u32 old_tx_mode = tp->tx_mode;
1372 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1373 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1375 autoneg = tp->link_config.autoneg;
1377 if (autoneg == AUTONEG_ENABLE &&
1378 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1379 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
1380 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1382 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1384 flowctrl = tp->link_config.flowctrl;
1386 tp->link_config.active_flowctrl = flowctrl;
1388 if (flowctrl & FLOW_CTRL_RX)
1389 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1391 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1393 if (old_rx_mode != tp->rx_mode)
1394 tw32_f(MAC_RX_MODE, tp->rx_mode);
1396 if (flowctrl & FLOW_CTRL_TX)
1397 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1399 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1401 if (old_tx_mode != tp->tx_mode)
1402 tw32_f(MAC_TX_MODE, tp->tx_mode);
1405 static void tg3_adjust_link(struct net_device *dev)
1407 u8 oldflowctrl, linkmesg = 0;
1408 u32 mac_mode, lcl_adv, rmt_adv;
1409 struct tg3 *tp = netdev_priv(dev);
1410 struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1412 spin_lock_bh(&tp->lock);
1414 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1415 MAC_MODE_HALF_DUPLEX);
1417 oldflowctrl = tp->link_config.active_flowctrl;
1423 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1424 mac_mode |= MAC_MODE_PORT_MODE_MII;
1425 else if (phydev->speed == SPEED_1000 ||
1426 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1427 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1429 mac_mode |= MAC_MODE_PORT_MODE_MII;
1431 if (phydev->duplex == DUPLEX_HALF)
1432 mac_mode |= MAC_MODE_HALF_DUPLEX;
1434 lcl_adv = tg3_advert_flowctrl_1000T(
1435 tp->link_config.flowctrl);
1438 rmt_adv = LPA_PAUSE_CAP;
1439 if (phydev->asym_pause)
1440 rmt_adv |= LPA_PAUSE_ASYM;
1443 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1445 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1447 if (mac_mode != tp->mac_mode) {
1448 tp->mac_mode = mac_mode;
1449 tw32_f(MAC_MODE, tp->mac_mode);
1453 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1454 if (phydev->speed == SPEED_10)
1456 MAC_MI_STAT_10MBPS_MODE |
1457 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1459 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1462 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1463 tw32(MAC_TX_LENGTHS,
1464 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1465 (6 << TX_LENGTHS_IPG_SHIFT) |
1466 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1468 tw32(MAC_TX_LENGTHS,
1469 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1470 (6 << TX_LENGTHS_IPG_SHIFT) |
1471 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1473 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1474 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1475 phydev->speed != tp->link_config.active_speed ||
1476 phydev->duplex != tp->link_config.active_duplex ||
1477 oldflowctrl != tp->link_config.active_flowctrl)
1480 tp->link_config.active_speed = phydev->speed;
1481 tp->link_config.active_duplex = phydev->duplex;
1483 spin_unlock_bh(&tp->lock);
1486 tg3_link_report(tp);
1489 static int tg3_phy_init(struct tg3 *tp)
1491 struct phy_device *phydev;
1493 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)
1496 /* Bring the PHY back to a known state. */
1499 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1501 /* Attach the MAC to the PHY. */
1502 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1503 phydev->dev_flags, phydev->interface);
1504 if (IS_ERR(phydev)) {
1505 dev_err(&tp->pdev->dev, "Could not attach to PHY\n");
1506 return PTR_ERR(phydev);
1509 /* Mask with MAC supported features. */
1510 switch (phydev->interface) {
1511 case PHY_INTERFACE_MODE_GMII:
1512 case PHY_INTERFACE_MODE_RGMII:
1513 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
1514 phydev->supported &= (PHY_GBIT_FEATURES |
1516 SUPPORTED_Asym_Pause);
1520 case PHY_INTERFACE_MODE_MII:
1521 phydev->supported &= (PHY_BASIC_FEATURES |
1523 SUPPORTED_Asym_Pause);
1526 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1530 tp->phy_flags |= TG3_PHYFLG_IS_CONNECTED;
1532 phydev->advertising = phydev->supported;
1537 static void tg3_phy_start(struct tg3 *tp)
1539 struct phy_device *phydev;
1541 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
1544 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1546 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
1547 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
1548 phydev->speed = tp->link_config.orig_speed;
1549 phydev->duplex = tp->link_config.orig_duplex;
1550 phydev->autoneg = tp->link_config.orig_autoneg;
1551 phydev->advertising = tp->link_config.orig_advertising;
1556 phy_start_aneg(phydev);
1559 static void tg3_phy_stop(struct tg3 *tp)
1561 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
1564 phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1567 static void tg3_phy_fini(struct tg3 *tp)
1569 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
1570 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1571 tp->phy_flags &= ~TG3_PHYFLG_IS_CONNECTED;
1575 static int tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1579 err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1581 err = tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1586 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1590 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1593 tg3_writephy(tp, MII_TG3_FET_TEST,
1594 phytest | MII_TG3_FET_SHADOW_EN);
1595 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1597 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1599 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1600 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1602 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1606 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1610 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1611 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
1612 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) &&
1613 (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
1616 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
1617 tg3_phy_fet_toggle_apd(tp, enable);
1621 reg = MII_TG3_MISC_SHDW_WREN |
1622 MII_TG3_MISC_SHDW_SCR5_SEL |
1623 MII_TG3_MISC_SHDW_SCR5_LPED |
1624 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1625 MII_TG3_MISC_SHDW_SCR5_SDTL |
1626 MII_TG3_MISC_SHDW_SCR5_C125OE;
1627 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1628 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1630 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1633 reg = MII_TG3_MISC_SHDW_WREN |
1634 MII_TG3_MISC_SHDW_APD_SEL |
1635 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1637 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1639 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1642 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1646 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1647 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
1650 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
1653 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1654 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1656 tg3_writephy(tp, MII_TG3_FET_TEST,
1657 ephy | MII_TG3_FET_SHADOW_EN);
1658 if (!tg3_readphy(tp, reg, &phy)) {
1660 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1662 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1663 tg3_writephy(tp, reg, phy);
1665 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1668 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1669 MII_TG3_AUXCTL_SHDWSEL_MISC;
1670 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1671 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1673 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1675 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1676 phy |= MII_TG3_AUXCTL_MISC_WREN;
1677 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1682 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1686 if (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED)
1689 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1690 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1691 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1692 (val | (1 << 15) | (1 << 4)));
1695 static void tg3_phy_apply_otp(struct tg3 *tp)
1704 /* Enable SM_DSP clock and tx 6dB coding. */
1705 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1706 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1707 MII_TG3_AUXCTL_ACTL_TX_6DB;
1708 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1710 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1711 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1712 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1714 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1715 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1716 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1718 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1719 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1720 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1722 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1723 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1725 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1726 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1728 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1729 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1730 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1732 /* Turn off SM_DSP clock. */
1733 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1734 MII_TG3_AUXCTL_ACTL_TX_6DB;
1735 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1738 static int tg3_wait_macro_done(struct tg3 *tp)
1745 if (!tg3_readphy(tp, MII_TG3_DSP_CONTROL, &tmp32)) {
1746 if ((tmp32 & 0x1000) == 0)
1756 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1758 static const u32 test_pat[4][6] = {
1759 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1760 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1761 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1762 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1766 for (chan = 0; chan < 4; chan++) {
1769 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1770 (chan * 0x2000) | 0x0200);
1771 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1773 for (i = 0; i < 6; i++)
1774 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1777 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1778 if (tg3_wait_macro_done(tp)) {
1783 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1784 (chan * 0x2000) | 0x0200);
1785 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0082);
1786 if (tg3_wait_macro_done(tp)) {
1791 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0802);
1792 if (tg3_wait_macro_done(tp)) {
1797 for (i = 0; i < 6; i += 2) {
1800 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1801 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1802 tg3_wait_macro_done(tp)) {
1808 if (low != test_pat[chan][i] ||
1809 high != test_pat[chan][i+1]) {
1810 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1811 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1812 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1822 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1826 for (chan = 0; chan < 4; chan++) {
1829 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1830 (chan * 0x2000) | 0x0200);
1831 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1832 for (i = 0; i < 6; i++)
1833 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1834 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1835 if (tg3_wait_macro_done(tp))
1842 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1844 u32 reg32, phy9_orig;
1845 int retries, do_phy_reset, err;
1851 err = tg3_bmcr_reset(tp);
1857 /* Disable transmitter and interrupt. */
1858 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32))
1862 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1864 /* Set full-duplex, 1000 mbps. */
1865 tg3_writephy(tp, MII_BMCR,
1866 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1868 /* Set to master mode. */
1869 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1872 tg3_writephy(tp, MII_TG3_CTRL,
1873 (MII_TG3_CTRL_AS_MASTER |
1874 MII_TG3_CTRL_ENABLE_AS_MASTER));
1876 /* Enable SM_DSP_CLOCK and 6dB. */
1877 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1879 /* Block the PHY control access. */
1880 tg3_phydsp_write(tp, 0x8005, 0x0800);
1882 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1885 } while (--retries);
1887 err = tg3_phy_reset_chanpat(tp);
1891 tg3_phydsp_write(tp, 0x8005, 0x0000);
1893 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1894 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
1896 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1897 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1898 /* Set Extended packet length bit for jumbo frames */
1899 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1901 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1904 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1906 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) {
1908 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1915 /* This will reset the tigon3 PHY if there is no valid
1916 * link unless the FORCE argument is non-zero.
1918 static int tg3_phy_reset(struct tg3 *tp)
1924 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1927 val = tr32(GRC_MISC_CFG);
1928 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1931 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1932 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1936 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1937 netif_carrier_off(tp->dev);
1938 tg3_link_report(tp);
1941 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1942 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1943 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1944 err = tg3_phy_reset_5703_4_5(tp);
1951 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1952 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1953 cpmuctrl = tr32(TG3_CPMU_CTRL);
1954 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1956 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1959 err = tg3_bmcr_reset(tp);
1963 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1966 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1967 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1969 tw32(TG3_CPMU_CTRL, cpmuctrl);
1972 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1973 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1976 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1977 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1978 CPMU_LSPD_1000MB_MACCLK_12_5) {
1979 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1981 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1985 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
1986 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) &&
1987 (tp->phy_flags & TG3_PHYFLG_MII_SERDES))
1990 tg3_phy_apply_otp(tp);
1992 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
1993 tg3_phy_toggle_apd(tp, true);
1995 tg3_phy_toggle_apd(tp, false);
1998 if (tp->phy_flags & TG3_PHYFLG_ADC_BUG) {
1999 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2000 tg3_phydsp_write(tp, 0x201f, 0x2aaa);
2001 tg3_phydsp_write(tp, 0x000a, 0x0323);
2002 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2004 if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
2005 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
2006 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
2008 if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
2009 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2010 tg3_phydsp_write(tp, 0x000a, 0x310b);
2011 tg3_phydsp_write(tp, 0x201f, 0x9506);
2012 tg3_phydsp_write(tp, 0x401f, 0x14e2);
2013 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2014 } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
2015 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2016 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
2017 if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
2018 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
2019 tg3_writephy(tp, MII_TG3_TEST1,
2020 MII_TG3_TEST1_TRIM_EN | 0x4);
2022 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
2023 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2025 /* Set Extended packet length bit (bit 14) on all chips that */
2026 /* support jumbo frames */
2027 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
2028 /* Cannot do read-modify-write on 5401 */
2029 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2030 } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2033 /* Set bit 14 with read-modify-write to preserve other bits */
2034 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
2035 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
2036 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
2039 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2040 * jumbo frames transmission.
2042 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2045 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
2046 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2047 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2050 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2051 /* adjust output voltage */
2052 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2055 tg3_phy_toggle_automdix(tp, 1);
2056 tg3_phy_set_wirespeed(tp);
2060 static void tg3_frob_aux_power(struct tg3 *tp)
2062 struct tg3 *tp_peer = tp;
2064 /* The GPIOs do something completely different on 57765. */
2065 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
2066 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
2067 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
2070 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2071 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2072 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2073 struct net_device *dev_peer;
2075 dev_peer = pci_get_drvdata(tp->pdev_peer);
2076 /* remove_one() may have been run on the peer. */
2080 tp_peer = netdev_priv(dev_peer);
2083 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2084 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2085 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2086 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2087 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2088 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2089 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2090 (GRC_LCLCTRL_GPIO_OE0 |
2091 GRC_LCLCTRL_GPIO_OE1 |
2092 GRC_LCLCTRL_GPIO_OE2 |
2093 GRC_LCLCTRL_GPIO_OUTPUT0 |
2094 GRC_LCLCTRL_GPIO_OUTPUT1),
2096 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2097 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2098 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2099 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2100 GRC_LCLCTRL_GPIO_OE1 |
2101 GRC_LCLCTRL_GPIO_OE2 |
2102 GRC_LCLCTRL_GPIO_OUTPUT0 |
2103 GRC_LCLCTRL_GPIO_OUTPUT1 |
2105 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2107 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2108 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2110 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2111 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2114 u32 grc_local_ctrl = 0;
2116 if (tp_peer != tp &&
2117 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2120 /* Workaround to prevent overdrawing Amps. */
2121 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2123 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2124 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2125 grc_local_ctrl, 100);
2128 /* On 5753 and variants, GPIO2 cannot be used. */
2129 no_gpio2 = tp->nic_sram_data_cfg &
2130 NIC_SRAM_DATA_CFG_NO_GPIO2;
2132 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2133 GRC_LCLCTRL_GPIO_OE1 |
2134 GRC_LCLCTRL_GPIO_OE2 |
2135 GRC_LCLCTRL_GPIO_OUTPUT1 |
2136 GRC_LCLCTRL_GPIO_OUTPUT2;
2138 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2139 GRC_LCLCTRL_GPIO_OUTPUT2);
2141 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2142 grc_local_ctrl, 100);
2144 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2146 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2147 grc_local_ctrl, 100);
2150 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2151 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2152 grc_local_ctrl, 100);
2156 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2157 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2158 if (tp_peer != tp &&
2159 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2162 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2163 (GRC_LCLCTRL_GPIO_OE1 |
2164 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2166 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2167 GRC_LCLCTRL_GPIO_OE1, 100);
2169 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2170 (GRC_LCLCTRL_GPIO_OE1 |
2171 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2176 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2178 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2180 else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
2181 if (speed != SPEED_10)
2183 } else if (speed == SPEED_10)
2189 static int tg3_setup_phy(struct tg3 *, int);
2191 #define RESET_KIND_SHUTDOWN 0
2192 #define RESET_KIND_INIT 1
2193 #define RESET_KIND_SUSPEND 2
2195 static void tg3_write_sig_post_reset(struct tg3 *, int);
2196 static int tg3_halt_cpu(struct tg3 *, u32);
2198 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2202 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
2203 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2204 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2205 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2208 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2209 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2210 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2215 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2217 val = tr32(GRC_MISC_CFG);
2218 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2221 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
2223 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2226 tg3_writephy(tp, MII_ADVERTISE, 0);
2227 tg3_writephy(tp, MII_BMCR,
2228 BMCR_ANENABLE | BMCR_ANRESTART);
2230 tg3_writephy(tp, MII_TG3_FET_TEST,
2231 phytest | MII_TG3_FET_SHADOW_EN);
2232 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2233 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2235 MII_TG3_FET_SHDW_AUXMODE4,
2238 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2241 } else if (do_low_power) {
2242 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2243 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2245 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2246 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2247 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2248 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2249 MII_TG3_AUXCTL_PCTL_VREG_11V);
2252 /* The PHY should not be powered down on some chips because
2255 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2256 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2257 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2258 (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
2261 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2262 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2263 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2264 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2265 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2266 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2269 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2272 /* tp->lock is held. */
2273 static int tg3_nvram_lock(struct tg3 *tp)
2275 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2278 if (tp->nvram_lock_cnt == 0) {
2279 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2280 for (i = 0; i < 8000; i++) {
2281 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2286 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2290 tp->nvram_lock_cnt++;
2295 /* tp->lock is held. */
2296 static void tg3_nvram_unlock(struct tg3 *tp)
2298 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2299 if (tp->nvram_lock_cnt > 0)
2300 tp->nvram_lock_cnt--;
2301 if (tp->nvram_lock_cnt == 0)
2302 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2306 /* tp->lock is held. */
2307 static void tg3_enable_nvram_access(struct tg3 *tp)
2309 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2310 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2311 u32 nvaccess = tr32(NVRAM_ACCESS);
2313 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2317 /* tp->lock is held. */
2318 static void tg3_disable_nvram_access(struct tg3 *tp)
2320 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2321 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2322 u32 nvaccess = tr32(NVRAM_ACCESS);
2324 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2328 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2329 u32 offset, u32 *val)
2334 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2337 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2338 EEPROM_ADDR_DEVID_MASK |
2340 tw32(GRC_EEPROM_ADDR,
2342 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2343 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2344 EEPROM_ADDR_ADDR_MASK) |
2345 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2347 for (i = 0; i < 1000; i++) {
2348 tmp = tr32(GRC_EEPROM_ADDR);
2350 if (tmp & EEPROM_ADDR_COMPLETE)
2354 if (!(tmp & EEPROM_ADDR_COMPLETE))
2357 tmp = tr32(GRC_EEPROM_DATA);
2360 * The data will always be opposite the native endian
2361 * format. Perform a blind byteswap to compensate.
2368 #define NVRAM_CMD_TIMEOUT 10000
2370 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2374 tw32(NVRAM_CMD, nvram_cmd);
2375 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2377 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2383 if (i == NVRAM_CMD_TIMEOUT)
2389 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2391 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2392 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2393 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2394 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2395 (tp->nvram_jedecnum == JEDEC_ATMEL))
2397 addr = ((addr / tp->nvram_pagesize) <<
2398 ATMEL_AT45DB0X1B_PAGE_POS) +
2399 (addr % tp->nvram_pagesize);
2404 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2406 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2407 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2408 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2409 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2410 (tp->nvram_jedecnum == JEDEC_ATMEL))
2412 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2413 tp->nvram_pagesize) +
2414 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2419 /* NOTE: Data read in from NVRAM is byteswapped according to
2420 * the byteswapping settings for all other register accesses.
2421 * tg3 devices are BE devices, so on a BE machine, the data
2422 * returned will be exactly as it is seen in NVRAM. On a LE
2423 * machine, the 32-bit value will be byteswapped.
2425 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2429 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2430 return tg3_nvram_read_using_eeprom(tp, offset, val);
2432 offset = tg3_nvram_phys_addr(tp, offset);
2434 if (offset > NVRAM_ADDR_MSK)
2437 ret = tg3_nvram_lock(tp);
2441 tg3_enable_nvram_access(tp);
2443 tw32(NVRAM_ADDR, offset);
2444 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2445 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2448 *val = tr32(NVRAM_RDDATA);
2450 tg3_disable_nvram_access(tp);
2452 tg3_nvram_unlock(tp);
2457 /* Ensures NVRAM data is in bytestream format. */
2458 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2461 int res = tg3_nvram_read(tp, offset, &v);
2463 *val = cpu_to_be32(v);
2467 /* tp->lock is held. */
2468 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2470 u32 addr_high, addr_low;
2473 addr_high = ((tp->dev->dev_addr[0] << 8) |
2474 tp->dev->dev_addr[1]);
2475 addr_low = ((tp->dev->dev_addr[2] << 24) |
2476 (tp->dev->dev_addr[3] << 16) |
2477 (tp->dev->dev_addr[4] << 8) |
2478 (tp->dev->dev_addr[5] << 0));
2479 for (i = 0; i < 4; i++) {
2480 if (i == 1 && skip_mac_1)
2482 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2483 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2486 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2487 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2488 for (i = 0; i < 12; i++) {
2489 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2490 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2494 addr_high = (tp->dev->dev_addr[0] +
2495 tp->dev->dev_addr[1] +
2496 tp->dev->dev_addr[2] +
2497 tp->dev->dev_addr[3] +
2498 tp->dev->dev_addr[4] +
2499 tp->dev->dev_addr[5]) &
2500 TX_BACKOFF_SEED_MASK;
2501 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2504 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2507 bool device_should_wake, do_low_power;
2509 /* Make sure register accesses (indirect or otherwise)
2510 * will function correctly.
2512 pci_write_config_dword(tp->pdev,
2513 TG3PCI_MISC_HOST_CTRL,
2514 tp->misc_host_ctrl);
2518 pci_enable_wake(tp->pdev, state, false);
2519 pci_set_power_state(tp->pdev, PCI_D0);
2521 /* Switch out of Vaux if it is a NIC */
2522 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2523 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2533 netdev_err(tp->dev, "Invalid power state (D%d) requested\n",
2538 /* Restore the CLKREQ setting. */
2539 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2542 pci_read_config_word(tp->pdev,
2543 tp->pcie_cap + PCI_EXP_LNKCTL,
2545 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2546 pci_write_config_word(tp->pdev,
2547 tp->pcie_cap + PCI_EXP_LNKCTL,
2551 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2552 tw32(TG3PCI_MISC_HOST_CTRL,
2553 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2555 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2556 device_may_wakeup(&tp->pdev->dev) &&
2557 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2559 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2560 do_low_power = false;
2561 if ((tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) &&
2562 !(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
2563 struct phy_device *phydev;
2564 u32 phyid, advertising;
2566 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2568 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
2570 tp->link_config.orig_speed = phydev->speed;
2571 tp->link_config.orig_duplex = phydev->duplex;
2572 tp->link_config.orig_autoneg = phydev->autoneg;
2573 tp->link_config.orig_advertising = phydev->advertising;
2575 advertising = ADVERTISED_TP |
2577 ADVERTISED_Autoneg |
2578 ADVERTISED_10baseT_Half;
2580 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2581 device_should_wake) {
2582 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2584 ADVERTISED_100baseT_Half |
2585 ADVERTISED_100baseT_Full |
2586 ADVERTISED_10baseT_Full;
2588 advertising |= ADVERTISED_10baseT_Full;
2591 phydev->advertising = advertising;
2593 phy_start_aneg(phydev);
2595 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2596 if (phyid != PHY_ID_BCMAC131) {
2597 phyid &= PHY_BCM_OUI_MASK;
2598 if (phyid == PHY_BCM_OUI_1 ||
2599 phyid == PHY_BCM_OUI_2 ||
2600 phyid == PHY_BCM_OUI_3)
2601 do_low_power = true;
2605 do_low_power = true;
2607 if (!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
2608 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
2609 tp->link_config.orig_speed = tp->link_config.speed;
2610 tp->link_config.orig_duplex = tp->link_config.duplex;
2611 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2614 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
2615 tp->link_config.speed = SPEED_10;
2616 tp->link_config.duplex = DUPLEX_HALF;
2617 tp->link_config.autoneg = AUTONEG_ENABLE;
2618 tg3_setup_phy(tp, 0);
2622 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2625 val = tr32(GRC_VCPU_EXT_CTRL);
2626 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2627 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2631 for (i = 0; i < 200; i++) {
2632 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2633 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2638 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2639 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2640 WOL_DRV_STATE_SHUTDOWN |
2644 if (device_should_wake) {
2647 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
2649 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2653 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
2654 mac_mode = MAC_MODE_PORT_MODE_GMII;
2656 mac_mode = MAC_MODE_PORT_MODE_MII;
2658 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2659 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2661 u32 speed = (tp->tg3_flags &
2662 TG3_FLAG_WOL_SPEED_100MB) ?
2663 SPEED_100 : SPEED_10;
2664 if (tg3_5700_link_polarity(tp, speed))
2665 mac_mode |= MAC_MODE_LINK_POLARITY;
2667 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2670 mac_mode = MAC_MODE_PORT_MODE_TBI;
2673 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2674 tw32(MAC_LED_CTRL, tp->led_ctrl);
2676 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2677 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2678 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2679 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2680 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2681 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2683 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2684 mac_mode |= tp->mac_mode &
2685 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2686 if (mac_mode & MAC_MODE_APE_TX_EN)
2687 mac_mode |= MAC_MODE_TDE_ENABLE;
2690 tw32_f(MAC_MODE, mac_mode);
2693 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2697 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2698 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2699 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2702 base_val = tp->pci_clock_ctrl;
2703 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2704 CLOCK_CTRL_TXCLK_DISABLE);
2706 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2707 CLOCK_CTRL_PWRDOWN_PLL133, 40);
2708 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2709 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2710 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2712 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2713 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2714 u32 newbits1, newbits2;
2716 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2717 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2718 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2719 CLOCK_CTRL_TXCLK_DISABLE |
2721 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2722 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2723 newbits1 = CLOCK_CTRL_625_CORE;
2724 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2726 newbits1 = CLOCK_CTRL_ALTCLK;
2727 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2730 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2733 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2736 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2739 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2740 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2741 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2742 CLOCK_CTRL_TXCLK_DISABLE |
2743 CLOCK_CTRL_44MHZ_CORE);
2745 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2748 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2749 tp->pci_clock_ctrl | newbits3, 40);
2753 if (!(device_should_wake) &&
2754 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2755 tg3_power_down_phy(tp, do_low_power);
2757 tg3_frob_aux_power(tp);
2759 /* Workaround for unstable PLL clock */
2760 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2761 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2762 u32 val = tr32(0x7d00);
2764 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2766 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2769 err = tg3_nvram_lock(tp);
2770 tg3_halt_cpu(tp, RX_CPU_BASE);
2772 tg3_nvram_unlock(tp);
2776 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2778 if (device_should_wake)
2779 pci_enable_wake(tp->pdev, state, true);
2781 /* Finally, set the new power state. */
2782 pci_set_power_state(tp->pdev, state);
2787 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2789 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2790 case MII_TG3_AUX_STAT_10HALF:
2792 *duplex = DUPLEX_HALF;
2795 case MII_TG3_AUX_STAT_10FULL:
2797 *duplex = DUPLEX_FULL;
2800 case MII_TG3_AUX_STAT_100HALF:
2802 *duplex = DUPLEX_HALF;
2805 case MII_TG3_AUX_STAT_100FULL:
2807 *duplex = DUPLEX_FULL;
2810 case MII_TG3_AUX_STAT_1000HALF:
2811 *speed = SPEED_1000;
2812 *duplex = DUPLEX_HALF;
2815 case MII_TG3_AUX_STAT_1000FULL:
2816 *speed = SPEED_1000;
2817 *duplex = DUPLEX_FULL;
2821 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
2822 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2824 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2828 *speed = SPEED_INVALID;
2829 *duplex = DUPLEX_INVALID;
2834 static void tg3_phy_copper_begin(struct tg3 *tp)
2839 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
2840 /* Entering low power mode. Disable gigabit and
2841 * 100baseT advertisements.
2843 tg3_writephy(tp, MII_TG3_CTRL, 0);
2845 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2846 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2847 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2848 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2850 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2851 } else if (tp->link_config.speed == SPEED_INVALID) {
2852 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
2853 tp->link_config.advertising &=
2854 ~(ADVERTISED_1000baseT_Half |
2855 ADVERTISED_1000baseT_Full);
2857 new_adv = ADVERTISE_CSMA;
2858 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2859 new_adv |= ADVERTISE_10HALF;
2860 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2861 new_adv |= ADVERTISE_10FULL;
2862 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2863 new_adv |= ADVERTISE_100HALF;
2864 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2865 new_adv |= ADVERTISE_100FULL;
2867 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2869 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2871 if (tp->link_config.advertising &
2872 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2874 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2875 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2876 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2877 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2878 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY) &&
2879 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2880 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2881 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2882 MII_TG3_CTRL_ENABLE_AS_MASTER);
2883 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2885 tg3_writephy(tp, MII_TG3_CTRL, 0);
2888 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2889 new_adv |= ADVERTISE_CSMA;
2891 /* Asking for a specific link mode. */
2892 if (tp->link_config.speed == SPEED_1000) {
2893 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2895 if (tp->link_config.duplex == DUPLEX_FULL)
2896 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2898 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2899 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2900 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2901 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2902 MII_TG3_CTRL_ENABLE_AS_MASTER);
2904 if (tp->link_config.speed == SPEED_100) {
2905 if (tp->link_config.duplex == DUPLEX_FULL)
2906 new_adv |= ADVERTISE_100FULL;
2908 new_adv |= ADVERTISE_100HALF;
2910 if (tp->link_config.duplex == DUPLEX_FULL)
2911 new_adv |= ADVERTISE_10FULL;
2913 new_adv |= ADVERTISE_10HALF;
2915 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2920 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2923 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2924 tp->link_config.speed != SPEED_INVALID) {
2925 u32 bmcr, orig_bmcr;
2927 tp->link_config.active_speed = tp->link_config.speed;
2928 tp->link_config.active_duplex = tp->link_config.duplex;
2931 switch (tp->link_config.speed) {
2937 bmcr |= BMCR_SPEED100;
2941 bmcr |= TG3_BMCR_SPEED1000;
2945 if (tp->link_config.duplex == DUPLEX_FULL)
2946 bmcr |= BMCR_FULLDPLX;
2948 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2949 (bmcr != orig_bmcr)) {
2950 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2951 for (i = 0; i < 1500; i++) {
2955 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2956 tg3_readphy(tp, MII_BMSR, &tmp))
2958 if (!(tmp & BMSR_LSTATUS)) {
2963 tg3_writephy(tp, MII_BMCR, bmcr);
2967 tg3_writephy(tp, MII_BMCR,
2968 BMCR_ANENABLE | BMCR_ANRESTART);
2972 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2976 /* Turn off tap power management. */
2977 /* Set Extended packet length bit */
2978 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2980 err |= tg3_phydsp_write(tp, 0x0012, 0x1804);
2981 err |= tg3_phydsp_write(tp, 0x0013, 0x1204);
2982 err |= tg3_phydsp_write(tp, 0x8006, 0x0132);
2983 err |= tg3_phydsp_write(tp, 0x8006, 0x0232);
2984 err |= tg3_phydsp_write(tp, 0x201f, 0x0a20);
2991 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2993 u32 adv_reg, all_mask = 0;
2995 if (mask & ADVERTISED_10baseT_Half)
2996 all_mask |= ADVERTISE_10HALF;
2997 if (mask & ADVERTISED_10baseT_Full)
2998 all_mask |= ADVERTISE_10FULL;
2999 if (mask & ADVERTISED_100baseT_Half)
3000 all_mask |= ADVERTISE_100HALF;
3001 if (mask & ADVERTISED_100baseT_Full)
3002 all_mask |= ADVERTISE_100FULL;
3004 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
3007 if ((adv_reg & all_mask) != all_mask)
3009 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
3013 if (mask & ADVERTISED_1000baseT_Half)
3014 all_mask |= ADVERTISE_1000HALF;
3015 if (mask & ADVERTISED_1000baseT_Full)
3016 all_mask |= ADVERTISE_1000FULL;
3018 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
3021 if ((tg3_ctrl & all_mask) != all_mask)
3027 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
3031 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
3034 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
3035 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
3037 if (tp->link_config.active_duplex == DUPLEX_FULL) {
3038 if (curadv != reqadv)
3041 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3042 tg3_readphy(tp, MII_LPA, rmtadv);
3044 /* Reprogram the advertisement register, even if it
3045 * does not affect the current link. If the link
3046 * gets renegotiated in the future, we can save an
3047 * additional renegotiation cycle by advertising
3048 * it correctly in the first place.
3050 if (curadv != reqadv) {
3051 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3052 ADVERTISE_PAUSE_ASYM);
3053 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3060 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3062 int current_link_up;
3064 u32 lcl_adv, rmt_adv;
3072 (MAC_STATUS_SYNC_CHANGED |
3073 MAC_STATUS_CFG_CHANGED |
3074 MAC_STATUS_MI_COMPLETION |
3075 MAC_STATUS_LNKSTATE_CHANGED));
3078 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3080 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3084 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3086 /* Some third-party PHYs need to be reset on link going
3089 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3090 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3091 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3092 netif_carrier_ok(tp->dev)) {
3093 tg3_readphy(tp, MII_BMSR, &bmsr);
3094 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3095 !(bmsr & BMSR_LSTATUS))
3101 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
3102 tg3_readphy(tp, MII_BMSR, &bmsr);
3103 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3104 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3107 if (!(bmsr & BMSR_LSTATUS)) {
3108 err = tg3_init_5401phy_dsp(tp);
3112 tg3_readphy(tp, MII_BMSR, &bmsr);
3113 for (i = 0; i < 1000; i++) {
3115 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3116 (bmsr & BMSR_LSTATUS)) {
3122 if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
3123 TG3_PHY_REV_BCM5401_B0 &&
3124 !(bmsr & BMSR_LSTATUS) &&
3125 tp->link_config.active_speed == SPEED_1000) {
3126 err = tg3_phy_reset(tp);
3128 err = tg3_init_5401phy_dsp(tp);
3133 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3134 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3135 /* 5701 {A0,B0} CRC bug workaround */
3136 tg3_writephy(tp, 0x15, 0x0a75);
3137 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
3138 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
3139 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
3142 /* Clear pending interrupts... */
3143 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3144 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3146 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT)
3147 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3148 else if (!(tp->phy_flags & TG3_PHYFLG_IS_FET))
3149 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3151 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3152 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3153 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3154 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3155 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3157 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3160 current_link_up = 0;
3161 current_speed = SPEED_INVALID;
3162 current_duplex = DUPLEX_INVALID;
3164 if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) {
3167 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3168 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3169 if (!(val & (1 << 10))) {
3171 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3177 for (i = 0; i < 100; i++) {
3178 tg3_readphy(tp, MII_BMSR, &bmsr);
3179 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3180 (bmsr & BMSR_LSTATUS))
3185 if (bmsr & BMSR_LSTATUS) {
3188 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3189 for (i = 0; i < 2000; i++) {
3191 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3196 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3201 for (i = 0; i < 200; i++) {
3202 tg3_readphy(tp, MII_BMCR, &bmcr);
3203 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3205 if (bmcr && bmcr != 0x7fff)
3213 tp->link_config.active_speed = current_speed;
3214 tp->link_config.active_duplex = current_duplex;
3216 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3217 if ((bmcr & BMCR_ANENABLE) &&
3218 tg3_copper_is_advertising_all(tp,
3219 tp->link_config.advertising)) {
3220 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3222 current_link_up = 1;
3225 if (!(bmcr & BMCR_ANENABLE) &&
3226 tp->link_config.speed == current_speed &&
3227 tp->link_config.duplex == current_duplex &&
3228 tp->link_config.flowctrl ==
3229 tp->link_config.active_flowctrl) {
3230 current_link_up = 1;
3234 if (current_link_up == 1 &&
3235 tp->link_config.active_duplex == DUPLEX_FULL)
3236 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3240 if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
3243 tg3_phy_copper_begin(tp);
3245 tg3_readphy(tp, MII_BMSR, &tmp);
3246 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3247 (tmp & BMSR_LSTATUS))
3248 current_link_up = 1;
3251 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3252 if (current_link_up == 1) {
3253 if (tp->link_config.active_speed == SPEED_100 ||
3254 tp->link_config.active_speed == SPEED_10)
3255 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3257 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3258 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET)
3259 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3261 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3263 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3264 if (tp->link_config.active_duplex == DUPLEX_HALF)
3265 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3267 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3268 if (current_link_up == 1 &&
3269 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3270 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3272 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3275 /* ??? Without this setting Netgear GA302T PHY does not
3276 * ??? send/receive packets...
3278 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
3279 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3280 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3281 tw32_f(MAC_MI_MODE, tp->mi_mode);
3285 tw32_f(MAC_MODE, tp->mac_mode);
3288 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3289 /* Polled via timer. */
3290 tw32_f(MAC_EVENT, 0);
3292 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3296 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3297 current_link_up == 1 &&
3298 tp->link_config.active_speed == SPEED_1000 &&
3299 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3300 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3303 (MAC_STATUS_SYNC_CHANGED |
3304 MAC_STATUS_CFG_CHANGED));
3307 NIC_SRAM_FIRMWARE_MBOX,
3308 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3311 /* Prevent send BD corruption. */
3312 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3313 u16 oldlnkctl, newlnkctl;
3315 pci_read_config_word(tp->pdev,
3316 tp->pcie_cap + PCI_EXP_LNKCTL,
3318 if (tp->link_config.active_speed == SPEED_100 ||
3319 tp->link_config.active_speed == SPEED_10)
3320 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3322 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3323 if (newlnkctl != oldlnkctl)
3324 pci_write_config_word(tp->pdev,
3325 tp->pcie_cap + PCI_EXP_LNKCTL,
3329 if (current_link_up != netif_carrier_ok(tp->dev)) {
3330 if (current_link_up)
3331 netif_carrier_on(tp->dev);
3333 netif_carrier_off(tp->dev);
3334 tg3_link_report(tp);
3340 struct tg3_fiber_aneginfo {
3342 #define ANEG_STATE_UNKNOWN 0
3343 #define ANEG_STATE_AN_ENABLE 1
3344 #define ANEG_STATE_RESTART_INIT 2
3345 #define ANEG_STATE_RESTART 3
3346 #define ANEG_STATE_DISABLE_LINK_OK 4
3347 #define ANEG_STATE_ABILITY_DETECT_INIT 5
3348 #define ANEG_STATE_ABILITY_DETECT 6
3349 #define ANEG_STATE_ACK_DETECT_INIT 7
3350 #define ANEG_STATE_ACK_DETECT 8
3351 #define ANEG_STATE_COMPLETE_ACK_INIT 9
3352 #define ANEG_STATE_COMPLETE_ACK 10
3353 #define ANEG_STATE_IDLE_DETECT_INIT 11
3354 #define ANEG_STATE_IDLE_DETECT 12
3355 #define ANEG_STATE_LINK_OK 13
3356 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3357 #define ANEG_STATE_NEXT_PAGE_WAIT 15
3360 #define MR_AN_ENABLE 0x00000001
3361 #define MR_RESTART_AN 0x00000002
3362 #define MR_AN_COMPLETE 0x00000004
3363 #define MR_PAGE_RX 0x00000008
3364 #define MR_NP_LOADED 0x00000010
3365 #define MR_TOGGLE_TX 0x00000020
3366 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
3367 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
3368 #define MR_LP_ADV_SYM_PAUSE 0x00000100
3369 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
3370 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3371 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3372 #define MR_LP_ADV_NEXT_PAGE 0x00001000
3373 #define MR_TOGGLE_RX 0x00002000
3374 #define MR_NP_RX 0x00004000
3376 #define MR_LINK_OK 0x80000000
3378 unsigned long link_time, cur_time;
3380 u32 ability_match_cfg;
3381 int ability_match_count;
3383 char ability_match, idle_match, ack_match;
3385 u32 txconfig, rxconfig;
3386 #define ANEG_CFG_NP 0x00000080
3387 #define ANEG_CFG_ACK 0x00000040
3388 #define ANEG_CFG_RF2 0x00000020
3389 #define ANEG_CFG_RF1 0x00000010
3390 #define ANEG_CFG_PS2 0x00000001
3391 #define ANEG_CFG_PS1 0x00008000
3392 #define ANEG_CFG_HD 0x00004000
3393 #define ANEG_CFG_FD 0x00002000
3394 #define ANEG_CFG_INVAL 0x00001f06
3399 #define ANEG_TIMER_ENAB 2
3400 #define ANEG_FAILED -1
3402 #define ANEG_STATE_SETTLE_TIME 10000
3404 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3405 struct tg3_fiber_aneginfo *ap)
3408 unsigned long delta;
3412 if (ap->state == ANEG_STATE_UNKNOWN) {
3416 ap->ability_match_cfg = 0;
3417 ap->ability_match_count = 0;
3418 ap->ability_match = 0;
3424 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3425 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3427 if (rx_cfg_reg != ap->ability_match_cfg) {
3428 ap->ability_match_cfg = rx_cfg_reg;
3429 ap->ability_match = 0;
3430 ap->ability_match_count = 0;
3432 if (++ap->ability_match_count > 1) {
3433 ap->ability_match = 1;
3434 ap->ability_match_cfg = rx_cfg_reg;
3437 if (rx_cfg_reg & ANEG_CFG_ACK)
3445 ap->ability_match_cfg = 0;
3446 ap->ability_match_count = 0;
3447 ap->ability_match = 0;
3453 ap->rxconfig = rx_cfg_reg;
3456 switch (ap->state) {
3457 case ANEG_STATE_UNKNOWN:
3458 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3459 ap->state = ANEG_STATE_AN_ENABLE;
3462 case ANEG_STATE_AN_ENABLE:
3463 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3464 if (ap->flags & MR_AN_ENABLE) {
3467 ap->ability_match_cfg = 0;
3468 ap->ability_match_count = 0;
3469 ap->ability_match = 0;
3473 ap->state = ANEG_STATE_RESTART_INIT;
3475 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3479 case ANEG_STATE_RESTART_INIT:
3480 ap->link_time = ap->cur_time;
3481 ap->flags &= ~(MR_NP_LOADED);
3483 tw32(MAC_TX_AUTO_NEG, 0);
3484 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3485 tw32_f(MAC_MODE, tp->mac_mode);
3488 ret = ANEG_TIMER_ENAB;
3489 ap->state = ANEG_STATE_RESTART;
3492 case ANEG_STATE_RESTART:
3493 delta = ap->cur_time - ap->link_time;
3494 if (delta > ANEG_STATE_SETTLE_TIME)
3495 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3497 ret = ANEG_TIMER_ENAB;
3500 case ANEG_STATE_DISABLE_LINK_OK:
3504 case ANEG_STATE_ABILITY_DETECT_INIT:
3505 ap->flags &= ~(MR_TOGGLE_TX);
3506 ap->txconfig = ANEG_CFG_FD;
3507 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3508 if (flowctrl & ADVERTISE_1000XPAUSE)
3509 ap->txconfig |= ANEG_CFG_PS1;
3510 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3511 ap->txconfig |= ANEG_CFG_PS2;
3512 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3513 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3514 tw32_f(MAC_MODE, tp->mac_mode);
3517 ap->state = ANEG_STATE_ABILITY_DETECT;
3520 case ANEG_STATE_ABILITY_DETECT:
3521 if (ap->ability_match != 0 && ap->rxconfig != 0)
3522 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3525 case ANEG_STATE_ACK_DETECT_INIT:
3526 ap->txconfig |= ANEG_CFG_ACK;
3527 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3528 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3529 tw32_f(MAC_MODE, tp->mac_mode);
3532 ap->state = ANEG_STATE_ACK_DETECT;
3535 case ANEG_STATE_ACK_DETECT:
3536 if (ap->ack_match != 0) {
3537 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3538 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3539 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3541 ap->state = ANEG_STATE_AN_ENABLE;
3543 } else if (ap->ability_match != 0 &&
3544 ap->rxconfig == 0) {
3545 ap->state = ANEG_STATE_AN_ENABLE;
3549 case ANEG_STATE_COMPLETE_ACK_INIT:
3550 if (ap->rxconfig & ANEG_CFG_INVAL) {
3554 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3555 MR_LP_ADV_HALF_DUPLEX |
3556 MR_LP_ADV_SYM_PAUSE |
3557 MR_LP_ADV_ASYM_PAUSE |
3558 MR_LP_ADV_REMOTE_FAULT1 |
3559 MR_LP_ADV_REMOTE_FAULT2 |
3560 MR_LP_ADV_NEXT_PAGE |
3563 if (ap->rxconfig & ANEG_CFG_FD)
3564 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3565 if (ap->rxconfig & ANEG_CFG_HD)
3566 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3567 if (ap->rxconfig & ANEG_CFG_PS1)
3568 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3569 if (ap->rxconfig & ANEG_CFG_PS2)
3570 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3571 if (ap->rxconfig & ANEG_CFG_RF1)
3572 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3573 if (ap->rxconfig & ANEG_CFG_RF2)
3574 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3575 if (ap->rxconfig & ANEG_CFG_NP)
3576 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3578 ap->link_time = ap->cur_time;
3580 ap->flags ^= (MR_TOGGLE_TX);
3581 if (ap->rxconfig & 0x0008)
3582 ap->flags |= MR_TOGGLE_RX;
3583 if (ap->rxconfig & ANEG_CFG_NP)
3584 ap->flags |= MR_NP_RX;
3585 ap->flags |= MR_PAGE_RX;
3587 ap->state = ANEG_STATE_COMPLETE_ACK;
3588 ret = ANEG_TIMER_ENAB;
3591 case ANEG_STATE_COMPLETE_ACK:
3592 if (ap->ability_match != 0 &&
3593 ap->rxconfig == 0) {
3594 ap->state = ANEG_STATE_AN_ENABLE;
3597 delta = ap->cur_time - ap->link_time;
3598 if (delta > ANEG_STATE_SETTLE_TIME) {
3599 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3600 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3602 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3603 !(ap->flags & MR_NP_RX)) {
3604 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3612 case ANEG_STATE_IDLE_DETECT_INIT:
3613 ap->link_time = ap->cur_time;
3614 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3615 tw32_f(MAC_MODE, tp->mac_mode);
3618 ap->state = ANEG_STATE_IDLE_DETECT;
3619 ret = ANEG_TIMER_ENAB;
3622 case ANEG_STATE_IDLE_DETECT:
3623 if (ap->ability_match != 0 &&
3624 ap->rxconfig == 0) {
3625 ap->state = ANEG_STATE_AN_ENABLE;
3628 delta = ap->cur_time - ap->link_time;
3629 if (delta > ANEG_STATE_SETTLE_TIME) {
3630 /* XXX another gem from the Broadcom driver :( */
3631 ap->state = ANEG_STATE_LINK_OK;
3635 case ANEG_STATE_LINK_OK:
3636 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3640 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3641 /* ??? unimplemented */
3644 case ANEG_STATE_NEXT_PAGE_WAIT:
3645 /* ??? unimplemented */
3656 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3659 struct tg3_fiber_aneginfo aninfo;
3660 int status = ANEG_FAILED;
3664 tw32_f(MAC_TX_AUTO_NEG, 0);
3666 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3667 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3670 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3673 memset(&aninfo, 0, sizeof(aninfo));
3674 aninfo.flags |= MR_AN_ENABLE;
3675 aninfo.state = ANEG_STATE_UNKNOWN;
3676 aninfo.cur_time = 0;
3678 while (++tick < 195000) {
3679 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3680 if (status == ANEG_DONE || status == ANEG_FAILED)
3686 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3687 tw32_f(MAC_MODE, tp->mac_mode);
3690 *txflags = aninfo.txconfig;
3691 *rxflags = aninfo.flags;
3693 if (status == ANEG_DONE &&
3694 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3695 MR_LP_ADV_FULL_DUPLEX)))
3701 static void tg3_init_bcm8002(struct tg3 *tp)
3703 u32 mac_status = tr32(MAC_STATUS);
3706 /* Reset when initting first time or we have a link. */
3707 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3708 !(mac_status & MAC_STATUS_PCS_SYNCED))
3711 /* Set PLL lock range. */
3712 tg3_writephy(tp, 0x16, 0x8007);
3715 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3717 /* Wait for reset to complete. */
3718 /* XXX schedule_timeout() ... */
3719 for (i = 0; i < 500; i++)
3722 /* Config mode; select PMA/Ch 1 regs. */
3723 tg3_writephy(tp, 0x10, 0x8411);
3725 /* Enable auto-lock and comdet, select txclk for tx. */
3726 tg3_writephy(tp, 0x11, 0x0a10);
3728 tg3_writephy(tp, 0x18, 0x00a0);
3729 tg3_writephy(tp, 0x16, 0x41ff);
3731 /* Assert and deassert POR. */
3732 tg3_writephy(tp, 0x13, 0x0400);
3734 tg3_writephy(tp, 0x13, 0x0000);
3736 tg3_writephy(tp, 0x11, 0x0a50);
3738 tg3_writephy(tp, 0x11, 0x0a10);
3740 /* Wait for signal to stabilize */
3741 /* XXX schedule_timeout() ... */
3742 for (i = 0; i < 15000; i++)
3745 /* Deselect the channel register so we can read the PHYID
3748 tg3_writephy(tp, 0x10, 0x8011);
3751 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3754 u32 sg_dig_ctrl, sg_dig_status;
3755 u32 serdes_cfg, expected_sg_dig_ctrl;
3756 int workaround, port_a;
3757 int current_link_up;
3760 expected_sg_dig_ctrl = 0;
3763 current_link_up = 0;
3765 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3766 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3768 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3771 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3772 /* preserve bits 20-23 for voltage regulator */
3773 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3776 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3778 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3779 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3781 u32 val = serdes_cfg;
3787 tw32_f(MAC_SERDES_CFG, val);
3790 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3792 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3793 tg3_setup_flow_control(tp, 0, 0);
3794 current_link_up = 1;
3799 /* Want auto-negotiation. */
3800 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3802 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3803 if (flowctrl & ADVERTISE_1000XPAUSE)
3804 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3805 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3806 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3808 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3809 if ((tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT) &&
3810 tp->serdes_counter &&
3811 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3812 MAC_STATUS_RCVD_CFG)) ==
3813 MAC_STATUS_PCS_SYNCED)) {
3814 tp->serdes_counter--;
3815 current_link_up = 1;
3820 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3821 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3823 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3825 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3826 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3827 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3828 MAC_STATUS_SIGNAL_DET)) {
3829 sg_dig_status = tr32(SG_DIG_STATUS);
3830 mac_status = tr32(MAC_STATUS);
3832 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3833 (mac_status & MAC_STATUS_PCS_SYNCED)) {
3834 u32 local_adv = 0, remote_adv = 0;
3836 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3837 local_adv |= ADVERTISE_1000XPAUSE;
3838 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3839 local_adv |= ADVERTISE_1000XPSE_ASYM;
3841 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3842 remote_adv |= LPA_1000XPAUSE;
3843 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3844 remote_adv |= LPA_1000XPAUSE_ASYM;
3846 tg3_setup_flow_control(tp, local_adv, remote_adv);
3847 current_link_up = 1;
3848 tp->serdes_counter = 0;
3849 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3850 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3851 if (tp->serdes_counter)
3852 tp->serdes_counter--;
3855 u32 val = serdes_cfg;
3862 tw32_f(MAC_SERDES_CFG, val);
3865 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3868 /* Link parallel detection - link is up */
3869 /* only if we have PCS_SYNC and not */
3870 /* receiving config code words */
3871 mac_status = tr32(MAC_STATUS);
3872 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3873 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3874 tg3_setup_flow_control(tp, 0, 0);
3875 current_link_up = 1;
3877 TG3_PHYFLG_PARALLEL_DETECT;
3878 tp->serdes_counter =
3879 SERDES_PARALLEL_DET_TIMEOUT;
3881 goto restart_autoneg;
3885 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3886 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3890 return current_link_up;
3893 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3895 int current_link_up = 0;
3897 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3900 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3901 u32 txflags, rxflags;
3904 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3905 u32 local_adv = 0, remote_adv = 0;
3907 if (txflags & ANEG_CFG_PS1)
3908 local_adv |= ADVERTISE_1000XPAUSE;
3909 if (txflags & ANEG_CFG_PS2)
3910 local_adv |= ADVERTISE_1000XPSE_ASYM;
3912 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3913 remote_adv |= LPA_1000XPAUSE;
3914 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3915 remote_adv |= LPA_1000XPAUSE_ASYM;
3917 tg3_setup_flow_control(tp, local_adv, remote_adv);
3919 current_link_up = 1;
3921 for (i = 0; i < 30; i++) {
3924 (MAC_STATUS_SYNC_CHANGED |
3925 MAC_STATUS_CFG_CHANGED));
3927 if ((tr32(MAC_STATUS) &
3928 (MAC_STATUS_SYNC_CHANGED |
3929 MAC_STATUS_CFG_CHANGED)) == 0)
3933 mac_status = tr32(MAC_STATUS);
3934 if (current_link_up == 0 &&
3935 (mac_status & MAC_STATUS_PCS_SYNCED) &&
3936 !(mac_status & MAC_STATUS_RCVD_CFG))
3937 current_link_up = 1;
3939 tg3_setup_flow_control(tp, 0, 0);
3941 /* Forcing 1000FD link up. */
3942 current_link_up = 1;
3944 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3947 tw32_f(MAC_MODE, tp->mac_mode);
3952 return current_link_up;
3955 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3958 u16 orig_active_speed;
3959 u8 orig_active_duplex;
3961 int current_link_up;
3964 orig_pause_cfg = tp->link_config.active_flowctrl;
3965 orig_active_speed = tp->link_config.active_speed;
3966 orig_active_duplex = tp->link_config.active_duplex;
3968 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3969 netif_carrier_ok(tp->dev) &&
3970 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3971 mac_status = tr32(MAC_STATUS);
3972 mac_status &= (MAC_STATUS_PCS_SYNCED |
3973 MAC_STATUS_SIGNAL_DET |
3974 MAC_STATUS_CFG_CHANGED |
3975 MAC_STATUS_RCVD_CFG);
3976 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3977 MAC_STATUS_SIGNAL_DET)) {
3978 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3979 MAC_STATUS_CFG_CHANGED));
3984 tw32_f(MAC_TX_AUTO_NEG, 0);
3986 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3987 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3988 tw32_f(MAC_MODE, tp->mac_mode);
3991 if (tp->phy_id == TG3_PHY_ID_BCM8002)
3992 tg3_init_bcm8002(tp);
3994 /* Enable link change event even when serdes polling. */
3995 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3998 current_link_up = 0;
3999 mac_status = tr32(MAC_STATUS);
4001 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
4002 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
4004 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
4006 tp->napi[0].hw_status->status =
4007 (SD_STATUS_UPDATED |
4008 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
4010 for (i = 0; i < 100; i++) {
4011 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
4012 MAC_STATUS_CFG_CHANGED));
4014 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
4015 MAC_STATUS_CFG_CHANGED |
4016 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
4020 mac_status = tr32(MAC_STATUS);
4021 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
4022 current_link_up = 0;
4023 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
4024 tp->serdes_counter == 0) {
4025 tw32_f(MAC_MODE, (tp->mac_mode |
4026 MAC_MODE_SEND_CONFIGS));
4028 tw32_f(MAC_MODE, tp->mac_mode);
4032 if (current_link_up == 1) {
4033 tp->link_config.active_speed = SPEED_1000;
4034 tp->link_config.active_duplex = DUPLEX_FULL;
4035 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4036 LED_CTRL_LNKLED_OVERRIDE |
4037 LED_CTRL_1000MBPS_ON));
4039 tp->link_config.active_speed = SPEED_INVALID;
4040 tp->link_config.active_duplex = DUPLEX_INVALID;
4041 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4042 LED_CTRL_LNKLED_OVERRIDE |
4043 LED_CTRL_TRAFFIC_OVERRIDE));
4046 if (current_link_up != netif_carrier_ok(tp->dev)) {
4047 if (current_link_up)
4048 netif_carrier_on(tp->dev);
4050 netif_carrier_off(tp->dev);
4051 tg3_link_report(tp);
4053 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4054 if (orig_pause_cfg != now_pause_cfg ||
4055 orig_active_speed != tp->link_config.active_speed ||
4056 orig_active_duplex != tp->link_config.active_duplex)
4057 tg3_link_report(tp);
4063 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4065 int current_link_up, err = 0;
4069 u32 local_adv, remote_adv;
4071 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4072 tw32_f(MAC_MODE, tp->mac_mode);
4078 (MAC_STATUS_SYNC_CHANGED |
4079 MAC_STATUS_CFG_CHANGED |
4080 MAC_STATUS_MI_COMPLETION |
4081 MAC_STATUS_LNKSTATE_CHANGED));
4087 current_link_up = 0;
4088 current_speed = SPEED_INVALID;
4089 current_duplex = DUPLEX_INVALID;
4091 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4092 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4093 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4094 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4095 bmsr |= BMSR_LSTATUS;
4097 bmsr &= ~BMSR_LSTATUS;
4100 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4102 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4103 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
4104 /* do nothing, just check for link up at the end */
4105 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4108 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4109 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4110 ADVERTISE_1000XPAUSE |
4111 ADVERTISE_1000XPSE_ASYM |
4114 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4116 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4117 new_adv |= ADVERTISE_1000XHALF;
4118 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4119 new_adv |= ADVERTISE_1000XFULL;
4121 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4122 tg3_writephy(tp, MII_ADVERTISE, new_adv);
4123 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4124 tg3_writephy(tp, MII_BMCR, bmcr);
4126 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4127 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4128 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4135 bmcr &= ~BMCR_SPEED1000;
4136 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4138 if (tp->link_config.duplex == DUPLEX_FULL)
4139 new_bmcr |= BMCR_FULLDPLX;
4141 if (new_bmcr != bmcr) {
4142 /* BMCR_SPEED1000 is a reserved bit that needs
4143 * to be set on write.
4145 new_bmcr |= BMCR_SPEED1000;
4147 /* Force a linkdown */
4148 if (netif_carrier_ok(tp->dev)) {
4151 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4152 adv &= ~(ADVERTISE_1000XFULL |
4153 ADVERTISE_1000XHALF |
4155 tg3_writephy(tp, MII_ADVERTISE, adv);
4156 tg3_writephy(tp, MII_BMCR, bmcr |
4160 netif_carrier_off(tp->dev);
4162 tg3_writephy(tp, MII_BMCR, new_bmcr);
4164 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4165 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4166 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4168 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4169 bmsr |= BMSR_LSTATUS;
4171 bmsr &= ~BMSR_LSTATUS;
4173 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4177 if (bmsr & BMSR_LSTATUS) {
4178 current_speed = SPEED_1000;
4179 current_link_up = 1;
4180 if (bmcr & BMCR_FULLDPLX)
4181 current_duplex = DUPLEX_FULL;
4183 current_duplex = DUPLEX_HALF;
4188 if (bmcr & BMCR_ANENABLE) {
4191 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4192 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4193 common = local_adv & remote_adv;
4194 if (common & (ADVERTISE_1000XHALF |
4195 ADVERTISE_1000XFULL)) {
4196 if (common & ADVERTISE_1000XFULL)
4197 current_duplex = DUPLEX_FULL;
4199 current_duplex = DUPLEX_HALF;
4200 } else if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
4201 /* Link is up via parallel detect */
4203 current_link_up = 0;
4208 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4209 tg3_setup_flow_control(tp, local_adv, remote_adv);
4211 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4212 if (tp->link_config.active_duplex == DUPLEX_HALF)
4213 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4215 tw32_f(MAC_MODE, tp->mac_mode);
4218 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4220 tp->link_config.active_speed = current_speed;
4221 tp->link_config.active_duplex = current_duplex;
4223 if (current_link_up != netif_carrier_ok(tp->dev)) {
4224 if (current_link_up)
4225 netif_carrier_on(tp->dev);
4227 netif_carrier_off(tp->dev);
4228 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4230 tg3_link_report(tp);
4235 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4237 if (tp->serdes_counter) {
4238 /* Give autoneg time to complete. */
4239 tp->serdes_counter--;
4243 if (!netif_carrier_ok(tp->dev) &&
4244 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4247 tg3_readphy(tp, MII_BMCR, &bmcr);
4248 if (bmcr & BMCR_ANENABLE) {
4251 /* Select shadow register 0x1f */
4252 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x7c00);
4253 tg3_readphy(tp, MII_TG3_MISC_SHDW, &phy1);
4255 /* Select expansion interrupt status register */
4256 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
4257 MII_TG3_DSP_EXP1_INT_STAT);
4258 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4259 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4261 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4262 /* We have signal detect and not receiving
4263 * config code words, link is up by parallel
4267 bmcr &= ~BMCR_ANENABLE;
4268 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4269 tg3_writephy(tp, MII_BMCR, bmcr);
4270 tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT;
4273 } else if (netif_carrier_ok(tp->dev) &&
4274 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4275 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
4278 /* Select expansion interrupt status register */
4279 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
4280 MII_TG3_DSP_EXP1_INT_STAT);
4281 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4285 /* Config code words received, turn on autoneg. */
4286 tg3_readphy(tp, MII_BMCR, &bmcr);
4287 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4289 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4295 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4299 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
4300 err = tg3_setup_fiber_phy(tp, force_reset);
4301 else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
4302 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4304 err = tg3_setup_copper_phy(tp, force_reset);
4306 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4309 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4310 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4312 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4317 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4318 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4319 tw32(GRC_MISC_CFG, val);
4322 if (tp->link_config.active_speed == SPEED_1000 &&
4323 tp->link_config.active_duplex == DUPLEX_HALF)
4324 tw32(MAC_TX_LENGTHS,
4325 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4326 (6 << TX_LENGTHS_IPG_SHIFT) |
4327 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4329 tw32(MAC_TX_LENGTHS,
4330 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4331 (6 << TX_LENGTHS_IPG_SHIFT) |
4332 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4334 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4335 if (netif_carrier_ok(tp->dev)) {
4336 tw32(HOSTCC_STAT_COAL_TICKS,
4337 tp->coal.stats_block_coalesce_usecs);
4339 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4343 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4344 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4345 if (!netif_carrier_ok(tp->dev))
4346 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4349 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4350 tw32(PCIE_PWR_MGMT_THRESH, val);
4356 /* This is called whenever we suspect that the system chipset is re-
4357 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4358 * is bogus tx completions. We try to recover by setting the
4359 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4362 static void tg3_tx_recover(struct tg3 *tp)
4364 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4365 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4367 netdev_warn(tp->dev,
4368 "The system may be re-ordering memory-mapped I/O "
4369 "cycles to the network device, attempting to recover. "
4370 "Please report the problem to the driver maintainer "
4371 "and include system chipset information.\n");
4373 spin_lock(&tp->lock);
4374 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4375 spin_unlock(&tp->lock);
4378 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4380 /* Tell compiler to fetch tx indices from memory. */
4382 return tnapi->tx_pending -
4383 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4386 /* Tigon3 never reports partial packet sends. So we do not
4387 * need special logic to handle SKBs that have not had all
4388 * of their frags sent yet, like SunGEM does.
4390 static void tg3_tx(struct tg3_napi *tnapi)
4392 struct tg3 *tp = tnapi->tp;
4393 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4394 u32 sw_idx = tnapi->tx_cons;
4395 struct netdev_queue *txq;
4396 int index = tnapi - tp->napi;
4398 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
4401 txq = netdev_get_tx_queue(tp->dev, index);
4403 while (sw_idx != hw_idx) {
4404 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
4405 struct sk_buff *skb = ri->skb;
4408 if (unlikely(skb == NULL)) {
4413 pci_unmap_single(tp->pdev,
4414 dma_unmap_addr(ri, mapping),
4420 sw_idx = NEXT_TX(sw_idx);
4422 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4423 ri = &tnapi->tx_buffers[sw_idx];
4424 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4427 pci_unmap_page(tp->pdev,
4428 dma_unmap_addr(ri, mapping),
4429 skb_shinfo(skb)->frags[i].size,
4431 sw_idx = NEXT_TX(sw_idx);
4436 if (unlikely(tx_bug)) {
4442 tnapi->tx_cons = sw_idx;
4444 /* Need to make the tx_cons update visible to tg3_start_xmit()
4445 * before checking for netif_queue_stopped(). Without the
4446 * memory barrier, there is a small possibility that tg3_start_xmit()
4447 * will miss it and cause the queue to be stopped forever.
4451 if (unlikely(netif_tx_queue_stopped(txq) &&
4452 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4453 __netif_tx_lock(txq, smp_processor_id());
4454 if (netif_tx_queue_stopped(txq) &&
4455 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4456 netif_tx_wake_queue(txq);
4457 __netif_tx_unlock(txq);
4461 static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4466 pci_unmap_single(tp->pdev, dma_unmap_addr(ri, mapping),
4467 map_sz, PCI_DMA_FROMDEVICE);
4468 dev_kfree_skb_any(ri->skb);
4472 /* Returns size of skb allocated or < 0 on error.
4474 * We only need to fill in the address because the other members
4475 * of the RX descriptor are invariant, see tg3_init_rings.
4477 * Note the purposeful assymetry of cpu vs. chip accesses. For
4478 * posting buffers we only dirty the first cache line of the RX
4479 * descriptor (containing the address). Whereas for the RX status
4480 * buffers the cpu only reads the last cacheline of the RX descriptor
4481 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4483 static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
4484 u32 opaque_key, u32 dest_idx_unmasked)
4486 struct tg3_rx_buffer_desc *desc;
4487 struct ring_info *map, *src_map;
4488 struct sk_buff *skb;
4490 int skb_size, dest_idx;
4493 switch (opaque_key) {
4494 case RXD_OPAQUE_RING_STD:
4495 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4496 desc = &tpr->rx_std[dest_idx];
4497 map = &tpr->rx_std_buffers[dest_idx];
4498 skb_size = tp->rx_pkt_map_sz;
4501 case RXD_OPAQUE_RING_JUMBO:
4502 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4503 desc = &tpr->rx_jmb[dest_idx].std;
4504 map = &tpr->rx_jmb_buffers[dest_idx];
4505 skb_size = TG3_RX_JMB_MAP_SZ;
4512 /* Do not overwrite any of the map or rp information
4513 * until we are sure we can commit to a new buffer.
4515 * Callers depend upon this behavior and assume that
4516 * we leave everything unchanged if we fail.
4518 skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4522 skb_reserve(skb, tp->rx_offset);
4524 mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4525 PCI_DMA_FROMDEVICE);
4526 if (pci_dma_mapping_error(tp->pdev, mapping)) {
4532 dma_unmap_addr_set(map, mapping, mapping);
4534 desc->addr_hi = ((u64)mapping >> 32);
4535 desc->addr_lo = ((u64)mapping & 0xffffffff);
4540 /* We only need to move over in the address because the other
4541 * members of the RX descriptor are invariant. See notes above
4542 * tg3_alloc_rx_skb for full details.
4544 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4545 struct tg3_rx_prodring_set *dpr,
4546 u32 opaque_key, int src_idx,
4547 u32 dest_idx_unmasked)
4549 struct tg3 *tp = tnapi->tp;
4550 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4551 struct ring_info *src_map, *dest_map;
4552 struct tg3_rx_prodring_set *spr = &tp->prodring[0];
4555 switch (opaque_key) {
4556 case RXD_OPAQUE_RING_STD:
4557 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4558 dest_desc = &dpr->rx_std[dest_idx];
4559 dest_map = &dpr->rx_std_buffers[dest_idx];
4560 src_desc = &spr->rx_std[src_idx];
4561 src_map = &spr->rx_std_buffers[src_idx];
4564 case RXD_OPAQUE_RING_JUMBO:
4565 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4566 dest_desc = &dpr->rx_jmb[dest_idx].std;
4567 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4568 src_desc = &spr->rx_jmb[src_idx].std;
4569 src_map = &spr->rx_jmb_buffers[src_idx];
4576 dest_map->skb = src_map->skb;
4577 dma_unmap_addr_set(dest_map, mapping,
4578 dma_unmap_addr(src_map, mapping));
4579 dest_desc->addr_hi = src_desc->addr_hi;
4580 dest_desc->addr_lo = src_desc->addr_lo;
4582 /* Ensure that the update to the skb happens after the physical
4583 * addresses have been transferred to the new BD location.
4587 src_map->skb = NULL;
4590 /* The RX ring scheme is composed of multiple rings which post fresh
4591 * buffers to the chip, and one special ring the chip uses to report
4592 * status back to the host.
4594 * The special ring reports the status of received packets to the
4595 * host. The chip does not write into the original descriptor the
4596 * RX buffer was obtained from. The chip simply takes the original
4597 * descriptor as provided by the host, updates the status and length
4598 * field, then writes this into the next status ring entry.
4600 * Each ring the host uses to post buffers to the chip is described
4601 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4602 * it is first placed into the on-chip ram. When the packet's length
4603 * is known, it walks down the TG3_BDINFO entries to select the ring.
4604 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4605 * which is within the range of the new packet's length is chosen.
4607 * The "separate ring for rx status" scheme may sound queer, but it makes
4608 * sense from a cache coherency perspective. If only the host writes
4609 * to the buffer post rings, and only the chip writes to the rx status
4610 * rings, then cache lines never move beyond shared-modified state.
4611 * If both the host and chip were to write into the same ring, cache line
4612 * eviction could occur since both entities want it in an exclusive state.
4614 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4616 struct tg3 *tp = tnapi->tp;
4617 u32 work_mask, rx_std_posted = 0;
4618 u32 std_prod_idx, jmb_prod_idx;
4619 u32 sw_idx = tnapi->rx_rcb_ptr;
4622 struct tg3_rx_prodring_set *tpr = tnapi->prodring;
4624 hw_idx = *(tnapi->rx_rcb_prod_idx);
4626 * We need to order the read of hw_idx and the read of
4627 * the opaque cookie.
4632 std_prod_idx = tpr->rx_std_prod_idx;
4633 jmb_prod_idx = tpr->rx_jmb_prod_idx;
4634 while (sw_idx != hw_idx && budget > 0) {
4635 struct ring_info *ri;
4636 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4638 struct sk_buff *skb;
4639 dma_addr_t dma_addr;
4640 u32 opaque_key, desc_idx, *post_ptr;
4641 bool hw_vlan __maybe_unused = false;
4642 u16 vtag __maybe_unused = 0;
4644 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4645 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4646 if (opaque_key == RXD_OPAQUE_RING_STD) {
4647 ri = &tp->prodring[0].rx_std_buffers[desc_idx];
4648 dma_addr = dma_unmap_addr(ri, mapping);
4650 post_ptr = &std_prod_idx;
4652 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4653 ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
4654 dma_addr = dma_unmap_addr(ri, mapping);
4656 post_ptr = &jmb_prod_idx;
4658 goto next_pkt_nopost;
4660 work_mask |= opaque_key;
4662 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4663 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4665 tg3_recycle_rx(tnapi, tpr, opaque_key,
4666 desc_idx, *post_ptr);
4668 /* Other statistics kept track of by card. */
4669 tp->net_stats.rx_dropped++;
4673 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4676 if (len > TG3_RX_COPY_THRESH(tp)) {
4679 skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
4684 pci_unmap_single(tp->pdev, dma_addr, skb_size,
4685 PCI_DMA_FROMDEVICE);
4687 /* Ensure that the update to the skb happens
4688 * after the usage of the old DMA mapping.
4696 struct sk_buff *copy_skb;
4698 tg3_recycle_rx(tnapi, tpr, opaque_key,
4699 desc_idx, *post_ptr);
4701 copy_skb = netdev_alloc_skb(tp->dev, len + VLAN_HLEN +
4703 if (copy_skb == NULL)
4704 goto drop_it_no_recycle;
4706 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN + VLAN_HLEN);
4707 skb_put(copy_skb, len);
4708 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4709 skb_copy_from_linear_data(skb, copy_skb->data, len);
4710 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4712 /* We'll reuse the original ring buffer. */
4716 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4717 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4718 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4719 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4720 skb->ip_summed = CHECKSUM_UNNECESSARY;
4722 skb_checksum_none_assert(skb);
4724 skb->protocol = eth_type_trans(skb, tp->dev);
4726 if (len > (tp->dev->mtu + ETH_HLEN) &&
4727 skb->protocol != htons(ETH_P_8021Q)) {
4732 if (desc->type_flags & RXD_FLAG_VLAN &&
4733 !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) {
4734 vtag = desc->err_vlan & RXD_VLAN_MASK;
4735 #if TG3_VLAN_TAG_USED
4741 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
4742 __skb_push(skb, VLAN_HLEN);
4744 memmove(ve, skb->data + VLAN_HLEN,
4746 ve->h_vlan_proto = htons(ETH_P_8021Q);
4747 ve->h_vlan_TCI = htons(vtag);
4751 #if TG3_VLAN_TAG_USED
4753 vlan_gro_receive(&tnapi->napi, tp->vlgrp, vtag, skb);
4756 napi_gro_receive(&tnapi->napi, skb);
4764 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4765 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4766 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4767 tpr->rx_std_prod_idx);
4768 work_mask &= ~RXD_OPAQUE_RING_STD;
4773 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4775 /* Refresh hw_idx to see if there is new work */
4776 if (sw_idx == hw_idx) {
4777 hw_idx = *(tnapi->rx_rcb_prod_idx);
4782 /* ACK the status ring. */
4783 tnapi->rx_rcb_ptr = sw_idx;
4784 tw32_rx_mbox(tnapi->consmbox, sw_idx);
4786 /* Refill RX ring(s). */
4787 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4788 if (work_mask & RXD_OPAQUE_RING_STD) {
4789 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4790 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4791 tpr->rx_std_prod_idx);
4793 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4794 tpr->rx_jmb_prod_idx = jmb_prod_idx %
4795 TG3_RX_JUMBO_RING_SIZE;
4796 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4797 tpr->rx_jmb_prod_idx);
4800 } else if (work_mask) {
4801 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4802 * updated before the producer indices can be updated.
4806 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4807 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
4809 if (tnapi != &tp->napi[1])
4810 napi_schedule(&tp->napi[1].napi);
4816 static void tg3_poll_link(struct tg3 *tp)
4818 /* handle link change and other phy events */
4819 if (!(tp->tg3_flags &
4820 (TG3_FLAG_USE_LINKCHG_REG |
4821 TG3_FLAG_POLL_SERDES))) {
4822 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4824 if (sblk->status & SD_STATUS_LINK_CHG) {
4825 sblk->status = SD_STATUS_UPDATED |
4826 (sblk->status & ~SD_STATUS_LINK_CHG);
4827 spin_lock(&tp->lock);
4828 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4830 (MAC_STATUS_SYNC_CHANGED |
4831 MAC_STATUS_CFG_CHANGED |
4832 MAC_STATUS_MI_COMPLETION |
4833 MAC_STATUS_LNKSTATE_CHANGED));
4836 tg3_setup_phy(tp, 0);
4837 spin_unlock(&tp->lock);
4842 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4843 struct tg3_rx_prodring_set *dpr,
4844 struct tg3_rx_prodring_set *spr)
4846 u32 si, di, cpycnt, src_prod_idx;
4850 src_prod_idx = spr->rx_std_prod_idx;
4852 /* Make sure updates to the rx_std_buffers[] entries and the
4853 * standard producer index are seen in the correct order.
4857 if (spr->rx_std_cons_idx == src_prod_idx)
4860 if (spr->rx_std_cons_idx < src_prod_idx)
4861 cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4863 cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4865 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4867 si = spr->rx_std_cons_idx;
4868 di = dpr->rx_std_prod_idx;
4870 for (i = di; i < di + cpycnt; i++) {
4871 if (dpr->rx_std_buffers[i].skb) {
4881 /* Ensure that updates to the rx_std_buffers ring and the
4882 * shadowed hardware producer ring from tg3_recycle_skb() are
4883 * ordered correctly WRT the skb check above.
4887 memcpy(&dpr->rx_std_buffers[di],
4888 &spr->rx_std_buffers[si],
4889 cpycnt * sizeof(struct ring_info));
4891 for (i = 0; i < cpycnt; i++, di++, si++) {
4892 struct tg3_rx_buffer_desc *sbd, *dbd;
4893 sbd = &spr->rx_std[si];
4894 dbd = &dpr->rx_std[di];
4895 dbd->addr_hi = sbd->addr_hi;
4896 dbd->addr_lo = sbd->addr_lo;
4899 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4901 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4906 src_prod_idx = spr->rx_jmb_prod_idx;
4908 /* Make sure updates to the rx_jmb_buffers[] entries and
4909 * the jumbo producer index are seen in the correct order.
4913 if (spr->rx_jmb_cons_idx == src_prod_idx)
4916 if (spr->rx_jmb_cons_idx < src_prod_idx)
4917 cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4919 cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4921 cpycnt = min(cpycnt,
4922 TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4924 si = spr->rx_jmb_cons_idx;
4925 di = dpr->rx_jmb_prod_idx;
4927 for (i = di; i < di + cpycnt; i++) {
4928 if (dpr->rx_jmb_buffers[i].skb) {
4938 /* Ensure that updates to the rx_jmb_buffers ring and the
4939 * shadowed hardware producer ring from tg3_recycle_skb() are
4940 * ordered correctly WRT the skb check above.
4944 memcpy(&dpr->rx_jmb_buffers[di],
4945 &spr->rx_jmb_buffers[si],
4946 cpycnt * sizeof(struct ring_info));
4948 for (i = 0; i < cpycnt; i++, di++, si++) {
4949 struct tg3_rx_buffer_desc *sbd, *dbd;
4950 sbd = &spr->rx_jmb[si].std;
4951 dbd = &dpr->rx_jmb[di].std;
4952 dbd->addr_hi = sbd->addr_hi;
4953 dbd->addr_lo = sbd->addr_lo;
4956 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4957 TG3_RX_JUMBO_RING_SIZE;
4958 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4959 TG3_RX_JUMBO_RING_SIZE;
4965 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4967 struct tg3 *tp = tnapi->tp;
4969 /* run TX completion thread */
4970 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4972 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4976 /* run RX thread, within the bounds set by NAPI.
4977 * All RX "locking" is done by ensuring outside
4978 * code synchronizes with tg3->napi.poll()
4980 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4981 work_done += tg3_rx(tnapi, budget - work_done);
4983 if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4984 struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
4986 u32 std_prod_idx = dpr->rx_std_prod_idx;
4987 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
4989 for (i = 1; i < tp->irq_cnt; i++)
4990 err |= tg3_rx_prodring_xfer(tp, dpr,
4991 tp->napi[i].prodring);
4995 if (std_prod_idx != dpr->rx_std_prod_idx)
4996 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4997 dpr->rx_std_prod_idx);
4999 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
5000 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
5001 dpr->rx_jmb_prod_idx);
5006 tw32_f(HOSTCC_MODE, tp->coal_now);
5012 static int tg3_poll_msix(struct napi_struct *napi, int budget)
5014 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5015 struct tg3 *tp = tnapi->tp;
5017 struct tg3_hw_status *sblk = tnapi->hw_status;
5020 work_done = tg3_poll_work(tnapi, work_done, budget);
5022 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5025 if (unlikely(work_done >= budget))
5028 /* tp->last_tag is used in tg3_int_reenable() below
5029 * to tell the hw how much work has been processed,
5030 * so we must read it before checking for more work.
5032 tnapi->last_tag = sblk->status_tag;
5033 tnapi->last_irq_tag = tnapi->last_tag;
5036 /* check for RX/TX work to do */
5037 if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
5038 *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
5039 napi_complete(napi);
5040 /* Reenable interrupts. */
5041 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
5050 /* work_done is guaranteed to be less than budget. */
5051 napi_complete(napi);
5052 schedule_work(&tp->reset_task);
5056 static int tg3_poll(struct napi_struct *napi, int budget)
5058 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5059 struct tg3 *tp = tnapi->tp;
5061 struct tg3_hw_status *sblk = tnapi->hw_status;
5066 work_done = tg3_poll_work(tnapi, work_done, budget);
5068 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5071 if (unlikely(work_done >= budget))
5074 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5075 /* tp->last_tag is used in tg3_int_reenable() below
5076 * to tell the hw how much work has been processed,
5077 * so we must read it before checking for more work.
5079 tnapi->last_tag = sblk->status_tag;
5080 tnapi->last_irq_tag = tnapi->last_tag;
5083 sblk->status &= ~SD_STATUS_UPDATED;
5085 if (likely(!tg3_has_work(tnapi))) {
5086 napi_complete(napi);
5087 tg3_int_reenable(tnapi);
5095 /* work_done is guaranteed to be less than budget. */
5096 napi_complete(napi);
5097 schedule_work(&tp->reset_task);
5101 static void tg3_irq_quiesce(struct tg3 *tp)
5105 BUG_ON(tp->irq_sync);
5110 for (i = 0; i < tp->irq_cnt; i++)
5111 synchronize_irq(tp->napi[i].irq_vec);
5114 static inline int tg3_irq_sync(struct tg3 *tp)
5116 return tp->irq_sync;
5119 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5120 * If irq_sync is non-zero, then the IRQ handler must be synchronized
5121 * with as well. Most of the time, this is not necessary except when
5122 * shutting down the device.
5124 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5126 spin_lock_bh(&tp->lock);
5128 tg3_irq_quiesce(tp);
5131 static inline void tg3_full_unlock(struct tg3 *tp)
5133 spin_unlock_bh(&tp->lock);
5136 /* One-shot MSI handler - Chip automatically disables interrupt
5137 * after sending MSI so driver doesn't have to do it.
5139 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5141 struct tg3_napi *tnapi = dev_id;
5142 struct tg3 *tp = tnapi->tp;
5144 prefetch(tnapi->hw_status);
5146 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5148 if (likely(!tg3_irq_sync(tp)))
5149 napi_schedule(&tnapi->napi);
5154 /* MSI ISR - No need to check for interrupt sharing and no need to
5155 * flush status block and interrupt mailbox. PCI ordering rules
5156 * guarantee that MSI will arrive after the status block.
5158 static irqreturn_t tg3_msi(int irq, void *dev_id)
5160 struct tg3_napi *tnapi = dev_id;
5161 struct tg3 *tp = tnapi->tp;
5163 prefetch(tnapi->hw_status);
5165 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5167 * Writing any value to intr-mbox-0 clears PCI INTA# and
5168 * chip-internal interrupt pending events.
5169 * Writing non-zero to intr-mbox-0 additional tells the
5170 * NIC to stop sending us irqs, engaging "in-intr-handler"
5173 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5174 if (likely(!tg3_irq_sync(tp)))
5175 napi_schedule(&tnapi->napi);
5177 return IRQ_RETVAL(1);
5180 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5182 struct tg3_napi *tnapi = dev_id;
5183 struct tg3 *tp = tnapi->tp;
5184 struct tg3_hw_status *sblk = tnapi->hw_status;
5185 unsigned int handled = 1;
5187 /* In INTx mode, it is possible for the interrupt to arrive at
5188 * the CPU before the status block posted prior to the interrupt.
5189 * Reading the PCI State register will confirm whether the
5190 * interrupt is ours and will flush the status block.
5192 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5193 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5194 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5201 * Writing any value to intr-mbox-0 clears PCI INTA# and
5202 * chip-internal interrupt pending events.
5203 * Writing non-zero to intr-mbox-0 additional tells the
5204 * NIC to stop sending us irqs, engaging "in-intr-handler"
5207 * Flush the mailbox to de-assert the IRQ immediately to prevent
5208 * spurious interrupts. The flush impacts performance but
5209 * excessive spurious interrupts can be worse in some cases.
5211 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5212 if (tg3_irq_sync(tp))
5214 sblk->status &= ~SD_STATUS_UPDATED;
5215 if (likely(tg3_has_work(tnapi))) {
5216 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5217 napi_schedule(&tnapi->napi);
5219 /* No work, shared interrupt perhaps? re-enable
5220 * interrupts, and flush that PCI write
5222 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5226 return IRQ_RETVAL(handled);
5229 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5231 struct tg3_napi *tnapi = dev_id;
5232 struct tg3 *tp = tnapi->tp;
5233 struct tg3_hw_status *sblk = tnapi->hw_status;
5234 unsigned int handled = 1;
5236 /* In INTx mode, it is possible for the interrupt to arrive at
5237 * the CPU before the status block posted prior to the interrupt.
5238 * Reading the PCI State register will confirm whether the
5239 * interrupt is ours and will flush the status block.
5241 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5242 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5243 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5250 * writing any value to intr-mbox-0 clears PCI INTA# and
5251 * chip-internal interrupt pending events.
5252 * writing non-zero to intr-mbox-0 additional tells the
5253 * NIC to stop sending us irqs, engaging "in-intr-handler"
5256 * Flush the mailbox to de-assert the IRQ immediately to prevent
5257 * spurious interrupts. The flush impacts performance but
5258 * excessive spurious interrupts can be worse in some cases.
5260 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5263 * In a shared interrupt configuration, sometimes other devices'
5264 * interrupts will scream. We record the current status tag here
5265 * so that the above check can report that the screaming interrupts
5266 * are unhandled. Eventually they will be silenced.
5268 tnapi->last_irq_tag = sblk->status_tag;
5270 if (tg3_irq_sync(tp))
5273 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5275 napi_schedule(&tnapi->napi);
5278 return IRQ_RETVAL(handled);
5281 /* ISR for interrupt test */
5282 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5284 struct tg3_napi *tnapi = dev_id;
5285 struct tg3 *tp = tnapi->tp;
5286 struct tg3_hw_status *sblk = tnapi->hw_status;
5288 if ((sblk->status & SD_STATUS_UPDATED) ||
5289 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5290 tg3_disable_ints(tp);
5291 return IRQ_RETVAL(1);
5293 return IRQ_RETVAL(0);
5296 static int tg3_init_hw(struct tg3 *, int);
5297 static int tg3_halt(struct tg3 *, int, int);
5299 /* Restart hardware after configuration changes, self-test, etc.
5300 * Invoked with tp->lock held.
5302 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5303 __releases(tp->lock)
5304 __acquires(tp->lock)
5308 err = tg3_init_hw(tp, reset_phy);
5311 "Failed to re-initialize device, aborting\n");
5312 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5313 tg3_full_unlock(tp);
5314 del_timer_sync(&tp->timer);
5316 tg3_napi_enable(tp);
5318 tg3_full_lock(tp, 0);
5323 #ifdef CONFIG_NET_POLL_CONTROLLER
5324 static void tg3_poll_controller(struct net_device *dev)
5327 struct tg3 *tp = netdev_priv(dev);
5329 for (i = 0; i < tp->irq_cnt; i++)
5330 tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
5334 static void tg3_reset_task(struct work_struct *work)
5336 struct tg3 *tp = container_of(work, struct tg3, reset_task);
5338 unsigned int restart_timer;
5340 tg3_full_lock(tp, 0);
5342 if (!netif_running(tp->dev)) {
5343 tg3_full_unlock(tp);
5347 tg3_full_unlock(tp);
5353 tg3_full_lock(tp, 1);
5355 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5356 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5358 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5359 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5360 tp->write32_rx_mbox = tg3_write_flush_reg32;
5361 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5362 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5365 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5366 err = tg3_init_hw(tp, 1);
5370 tg3_netif_start(tp);
5373 mod_timer(&tp->timer, jiffies + 1);
5376 tg3_full_unlock(tp);
5382 static void tg3_dump_short_state(struct tg3 *tp)
5384 netdev_err(tp->dev, "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5385 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5386 netdev_err(tp->dev, "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5387 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5390 static void tg3_tx_timeout(struct net_device *dev)
5392 struct tg3 *tp = netdev_priv(dev);
5394 if (netif_msg_tx_err(tp)) {
5395 netdev_err(dev, "transmit timed out, resetting\n");
5396 tg3_dump_short_state(tp);
5399 schedule_work(&tp->reset_task);
5402 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5403 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5405 u32 base = (u32) mapping & 0xffffffff;
5407 return ((base > 0xffffdcc0) &&
5408 (base + len + 8 < base));
5411 /* Test for DMA addresses > 40-bit */
5412 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5415 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5416 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5417 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5424 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5426 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5427 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5428 struct sk_buff *skb, u32 last_plus_one,
5429 u32 *start, u32 base_flags, u32 mss)
5431 struct tg3 *tp = tnapi->tp;
5432 struct sk_buff *new_skb;
5433 dma_addr_t new_addr = 0;
5437 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5438 new_skb = skb_copy(skb, GFP_ATOMIC);
5440 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5442 new_skb = skb_copy_expand(skb,
5443 skb_headroom(skb) + more_headroom,
5444 skb_tailroom(skb), GFP_ATOMIC);
5450 /* New SKB is guaranteed to be linear. */
5452 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5454 /* Make sure the mapping succeeded */
5455 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5457 dev_kfree_skb(new_skb);
5460 /* Make sure new skb does not cross any 4G boundaries.
5461 * Drop the packet if it does.
5463 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5464 tg3_4g_overflow_test(new_addr, new_skb->len)) {
5465 pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5468 dev_kfree_skb(new_skb);
5471 tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5472 base_flags, 1 | (mss << 1));
5473 *start = NEXT_TX(entry);
5477 /* Now clean up the sw ring entries. */
5479 while (entry != last_plus_one) {
5483 len = skb_headlen(skb);
5485 len = skb_shinfo(skb)->frags[i-1].size;
5487 pci_unmap_single(tp->pdev,
5488 dma_unmap_addr(&tnapi->tx_buffers[entry],
5490 len, PCI_DMA_TODEVICE);
5492 tnapi->tx_buffers[entry].skb = new_skb;
5493 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5496 tnapi->tx_buffers[entry].skb = NULL;
5498 entry = NEXT_TX(entry);
5507 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5508 dma_addr_t mapping, int len, u32 flags,
5511 struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5512 int is_end = (mss_and_is_end & 0x1);
5513 u32 mss = (mss_and_is_end >> 1);
5517 flags |= TXD_FLAG_END;
5518 if (flags & TXD_FLAG_VLAN) {
5519 vlan_tag = flags >> 16;
5522 vlan_tag |= (mss << TXD_MSS_SHIFT);
5524 txd->addr_hi = ((u64) mapping >> 32);
5525 txd->addr_lo = ((u64) mapping & 0xffffffff);
5526 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5527 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5530 /* hard_start_xmit for devices that don't have any bugs and
5531 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5533 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5534 struct net_device *dev)
5536 struct tg3 *tp = netdev_priv(dev);
5537 u32 len, entry, base_flags, mss;
5539 struct tg3_napi *tnapi;
5540 struct netdev_queue *txq;
5541 unsigned int i, last;
5543 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5544 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5545 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5548 /* We are running in BH disabled context with netif_tx_lock
5549 * and TX reclaim runs via tp->napi.poll inside of a software
5550 * interrupt. Furthermore, IRQ processing runs lockless so we have
5551 * no IRQ context deadlocks to worry about either. Rejoice!
5553 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5554 if (!netif_tx_queue_stopped(txq)) {
5555 netif_tx_stop_queue(txq);
5557 /* This is a hard error, log it. */
5559 "BUG! Tx Ring full when queue awake!\n");
5561 return NETDEV_TX_BUSY;
5564 entry = tnapi->tx_prod;
5566 mss = skb_shinfo(skb)->gso_size;
5568 int tcp_opt_len, ip_tcp_len;
5571 if (skb_header_cloned(skb) &&
5572 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5577 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5578 hdrlen = skb_headlen(skb) - ETH_HLEN;
5580 struct iphdr *iph = ip_hdr(skb);
5582 tcp_opt_len = tcp_optlen(skb);
5583 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5586 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5587 hdrlen = ip_tcp_len + tcp_opt_len;
5590 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5591 mss |= (hdrlen & 0xc) << 12;
5593 base_flags |= 0x00000010;
5594 base_flags |= (hdrlen & 0x3e0) << 5;
5598 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5599 TXD_FLAG_CPU_POST_DMA);
5601 tcp_hdr(skb)->check = 0;
5603 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5604 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5607 #if TG3_VLAN_TAG_USED
5608 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5609 base_flags |= (TXD_FLAG_VLAN |
5610 (vlan_tx_tag_get(skb) << 16));
5613 len = skb_headlen(skb);
5615 /* Queue skb data, a.k.a. the main skb fragment. */
5616 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5617 if (pci_dma_mapping_error(tp->pdev, mapping)) {
5622 tnapi->tx_buffers[entry].skb = skb;
5623 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5625 if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5626 !mss && skb->len > ETH_DATA_LEN)
5627 base_flags |= TXD_FLAG_JMB_PKT;
5629 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5630 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5632 entry = NEXT_TX(entry);
5634 /* Now loop through additional data fragments, and queue them. */
5635 if (skb_shinfo(skb)->nr_frags > 0) {
5636 last = skb_shinfo(skb)->nr_frags - 1;
5637 for (i = 0; i <= last; i++) {
5638 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5641 mapping = pci_map_page(tp->pdev,
5644 len, PCI_DMA_TODEVICE);
5645 if (pci_dma_mapping_error(tp->pdev, mapping))
5648 tnapi->tx_buffers[entry].skb = NULL;
5649 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5652 tg3_set_txd(tnapi, entry, mapping, len,
5653 base_flags, (i == last) | (mss << 1));
5655 entry = NEXT_TX(entry);
5659 /* Packets are ready, update Tx producer idx local and on card. */
5660 tw32_tx_mbox(tnapi->prodmbox, entry);
5662 tnapi->tx_prod = entry;
5663 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5664 netif_tx_stop_queue(txq);
5666 /* netif_tx_stop_queue() must be done before checking
5667 * checking tx index in tg3_tx_avail() below, because in
5668 * tg3_tx(), we update tx index before checking for
5669 * netif_tx_queue_stopped().
5672 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5673 netif_tx_wake_queue(txq);
5679 return NETDEV_TX_OK;
5683 entry = tnapi->tx_prod;
5684 tnapi->tx_buffers[entry].skb = NULL;
5685 pci_unmap_single(tp->pdev,
5686 dma_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5689 for (i = 0; i <= last; i++) {
5690 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5691 entry = NEXT_TX(entry);
5693 pci_unmap_page(tp->pdev,
5694 dma_unmap_addr(&tnapi->tx_buffers[entry],
5696 frag->size, PCI_DMA_TODEVICE);
5700 return NETDEV_TX_OK;
5703 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5704 struct net_device *);
5706 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5707 * TSO header is greater than 80 bytes.
5709 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5711 struct sk_buff *segs, *nskb;
5712 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5714 /* Estimate the number of fragments in the worst case */
5715 if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5716 netif_stop_queue(tp->dev);
5718 /* netif_tx_stop_queue() must be done before checking
5719 * checking tx index in tg3_tx_avail() below, because in
5720 * tg3_tx(), we update tx index before checking for
5721 * netif_tx_queue_stopped().
5724 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5725 return NETDEV_TX_BUSY;
5727 netif_wake_queue(tp->dev);
5730 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5732 goto tg3_tso_bug_end;
5738 tg3_start_xmit_dma_bug(nskb, tp->dev);
5744 return NETDEV_TX_OK;
5747 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5748 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5750 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5751 struct net_device *dev)
5753 struct tg3 *tp = netdev_priv(dev);
5754 u32 len, entry, base_flags, mss;
5755 int would_hit_hwbug;
5757 struct tg3_napi *tnapi;
5758 struct netdev_queue *txq;
5759 unsigned int i, last;
5761 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5762 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5763 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5766 /* We are running in BH disabled context with netif_tx_lock
5767 * and TX reclaim runs via tp->napi.poll inside of a software
5768 * interrupt. Furthermore, IRQ processing runs lockless so we have
5769 * no IRQ context deadlocks to worry about either. Rejoice!
5771 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5772 if (!netif_tx_queue_stopped(txq)) {
5773 netif_tx_stop_queue(txq);
5775 /* This is a hard error, log it. */
5777 "BUG! Tx Ring full when queue awake!\n");
5779 return NETDEV_TX_BUSY;
5782 entry = tnapi->tx_prod;
5784 if (skb->ip_summed == CHECKSUM_PARTIAL)
5785 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5787 mss = skb_shinfo(skb)->gso_size;
5790 u32 tcp_opt_len, hdr_len;
5792 if (skb_header_cloned(skb) &&
5793 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5799 tcp_opt_len = tcp_optlen(skb);
5801 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5802 hdr_len = skb_headlen(skb) - ETH_HLEN;
5806 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5807 hdr_len = ip_tcp_len + tcp_opt_len;
5810 iph->tot_len = htons(mss + hdr_len);
5813 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5814 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5815 return tg3_tso_bug(tp, skb);
5817 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5818 TXD_FLAG_CPU_POST_DMA);
5820 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5821 tcp_hdr(skb)->check = 0;
5822 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5824 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5829 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5830 mss |= (hdr_len & 0xc) << 12;
5832 base_flags |= 0x00000010;
5833 base_flags |= (hdr_len & 0x3e0) << 5;
5834 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5835 mss |= hdr_len << 9;
5836 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5837 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5838 if (tcp_opt_len || iph->ihl > 5) {
5841 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5842 mss |= (tsflags << 11);
5845 if (tcp_opt_len || iph->ihl > 5) {
5848 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5849 base_flags |= tsflags << 12;
5853 #if TG3_VLAN_TAG_USED
5854 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5855 base_flags |= (TXD_FLAG_VLAN |
5856 (vlan_tx_tag_get(skb) << 16));
5859 if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5860 !mss && skb->len > ETH_DATA_LEN)
5861 base_flags |= TXD_FLAG_JMB_PKT;
5863 len = skb_headlen(skb);
5865 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5866 if (pci_dma_mapping_error(tp->pdev, mapping)) {
5871 tnapi->tx_buffers[entry].skb = skb;
5872 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5874 would_hit_hwbug = 0;
5876 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5877 would_hit_hwbug = 1;
5879 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5880 tg3_4g_overflow_test(mapping, len))
5881 would_hit_hwbug = 1;
5883 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5884 tg3_40bit_overflow_test(tp, mapping, len))
5885 would_hit_hwbug = 1;
5887 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5888 would_hit_hwbug = 1;
5890 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5891 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5893 entry = NEXT_TX(entry);
5895 /* Now loop through additional data fragments, and queue them. */
5896 if (skb_shinfo(skb)->nr_frags > 0) {
5897 last = skb_shinfo(skb)->nr_frags - 1;
5898 for (i = 0; i <= last; i++) {
5899 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5902 mapping = pci_map_page(tp->pdev,
5905 len, PCI_DMA_TODEVICE);
5907 tnapi->tx_buffers[entry].skb = NULL;
5908 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5910 if (pci_dma_mapping_error(tp->pdev, mapping))
5913 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5915 would_hit_hwbug = 1;
5917 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5918 tg3_4g_overflow_test(mapping, len))
5919 would_hit_hwbug = 1;
5921 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5922 tg3_40bit_overflow_test(tp, mapping, len))
5923 would_hit_hwbug = 1;
5925 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5926 tg3_set_txd(tnapi, entry, mapping, len,
5927 base_flags, (i == last)|(mss << 1));
5929 tg3_set_txd(tnapi, entry, mapping, len,
5930 base_flags, (i == last));
5932 entry = NEXT_TX(entry);
5936 if (would_hit_hwbug) {
5937 u32 last_plus_one = entry;
5940 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5941 start &= (TG3_TX_RING_SIZE - 1);
5943 /* If the workaround fails due to memory/mapping
5944 * failure, silently drop this packet.
5946 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5947 &start, base_flags, mss))
5953 /* Packets are ready, update Tx producer idx local and on card. */
5954 tw32_tx_mbox(tnapi->prodmbox, entry);
5956 tnapi->tx_prod = entry;
5957 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5958 netif_tx_stop_queue(txq);
5960 /* netif_tx_stop_queue() must be done before checking
5961 * checking tx index in tg3_tx_avail() below, because in
5962 * tg3_tx(), we update tx index before checking for
5963 * netif_tx_queue_stopped().
5966 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5967 netif_tx_wake_queue(txq);
5973 return NETDEV_TX_OK;
5977 entry = tnapi->tx_prod;
5978 tnapi->tx_buffers[entry].skb = NULL;
5979 pci_unmap_single(tp->pdev,
5980 dma_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5983 for (i = 0; i <= last; i++) {
5984 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5985 entry = NEXT_TX(entry);
5987 pci_unmap_page(tp->pdev,
5988 dma_unmap_addr(&tnapi->tx_buffers[entry],
5990 frag->size, PCI_DMA_TODEVICE);
5994 return NETDEV_TX_OK;
5997 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
6002 if (new_mtu > ETH_DATA_LEN) {
6003 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6004 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
6005 ethtool_op_set_tso(dev, 0);
6007 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
6010 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6011 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
6012 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
6016 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
6018 struct tg3 *tp = netdev_priv(dev);
6021 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
6024 if (!netif_running(dev)) {
6025 /* We'll just catch it later when the
6028 tg3_set_mtu(dev, tp, new_mtu);
6036 tg3_full_lock(tp, 1);
6038 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6040 tg3_set_mtu(dev, tp, new_mtu);
6042 err = tg3_restart_hw(tp, 0);
6045 tg3_netif_start(tp);
6047 tg3_full_unlock(tp);
6055 static void tg3_rx_prodring_free(struct tg3 *tp,
6056 struct tg3_rx_prodring_set *tpr)
6060 if (tpr != &tp->prodring[0]) {
6061 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
6062 i = (i + 1) % TG3_RX_RING_SIZE)
6063 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6066 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6067 for (i = tpr->rx_jmb_cons_idx;
6068 i != tpr->rx_jmb_prod_idx;
6069 i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
6070 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6078 for (i = 0; i < TG3_RX_RING_SIZE; i++)
6079 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6082 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6083 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
6084 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6089 /* Initialize rx rings for packet processing.
6091 * The chip has been shut down and the driver detached from
6092 * the networking, so no interrupts or new tx packets will
6093 * end up in the driver. tp->{tx,}lock are held and thus
6096 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6097 struct tg3_rx_prodring_set *tpr)
6099 u32 i, rx_pkt_dma_sz;
6101 tpr->rx_std_cons_idx = 0;
6102 tpr->rx_std_prod_idx = 0;
6103 tpr->rx_jmb_cons_idx = 0;
6104 tpr->rx_jmb_prod_idx = 0;
6106 if (tpr != &tp->prodring[0]) {
6107 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
6108 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6109 memset(&tpr->rx_jmb_buffers[0], 0,
6110 TG3_RX_JMB_BUFF_RING_SIZE);
6114 /* Zero out all descriptors. */
6115 memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
6117 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6118 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6119 tp->dev->mtu > ETH_DATA_LEN)
6120 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6121 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6123 /* Initialize invariants of the rings, we only set this
6124 * stuff once. This works because the card does not
6125 * write into the rx buffer posting rings.
6127 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
6128 struct tg3_rx_buffer_desc *rxd;
6130 rxd = &tpr->rx_std[i];
6131 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6132 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6133 rxd->opaque = (RXD_OPAQUE_RING_STD |
6134 (i << RXD_OPAQUE_INDEX_SHIFT));
6137 /* Now allocate fresh SKBs for each rx ring. */
6138 for (i = 0; i < tp->rx_pending; i++) {
6139 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6140 netdev_warn(tp->dev,
6141 "Using a smaller RX standard ring. Only "
6142 "%d out of %d buffers were allocated "
6143 "successfully\n", i, tp->rx_pending);
6151 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6154 memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
6156 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
6159 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6160 struct tg3_rx_buffer_desc *rxd;
6162 rxd = &tpr->rx_jmb[i].std;
6163 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6164 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6166 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6167 (i << RXD_OPAQUE_INDEX_SHIFT));
6170 for (i = 0; i < tp->rx_jumbo_pending; i++) {
6171 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) {
6172 netdev_warn(tp->dev,
6173 "Using a smaller RX jumbo ring. Only %d "
6174 "out of %d buffers were allocated "
6175 "successfully\n", i, tp->rx_jumbo_pending);
6178 tp->rx_jumbo_pending = i;
6187 tg3_rx_prodring_free(tp, tpr);
6191 static void tg3_rx_prodring_fini(struct tg3 *tp,
6192 struct tg3_rx_prodring_set *tpr)
6194 kfree(tpr->rx_std_buffers);
6195 tpr->rx_std_buffers = NULL;
6196 kfree(tpr->rx_jmb_buffers);
6197 tpr->rx_jmb_buffers = NULL;
6199 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
6200 tpr->rx_std, tpr->rx_std_mapping);
6204 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
6205 tpr->rx_jmb, tpr->rx_jmb_mapping);
6210 static int tg3_rx_prodring_init(struct tg3 *tp,
6211 struct tg3_rx_prodring_set *tpr)
6213 tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
6214 if (!tpr->rx_std_buffers)
6217 tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6218 &tpr->rx_std_mapping);
6222 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6223 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
6225 if (!tpr->rx_jmb_buffers)
6228 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6229 TG3_RX_JUMBO_RING_BYTES,
6230 &tpr->rx_jmb_mapping);
6238 tg3_rx_prodring_fini(tp, tpr);
6242 /* Free up pending packets in all rx/tx rings.
6244 * The chip has been shut down and the driver detached from
6245 * the networking, so no interrupts or new tx packets will
6246 * end up in the driver. tp->{tx,}lock is not held and we are not
6247 * in an interrupt context and thus may sleep.
6249 static void tg3_free_rings(struct tg3 *tp)
6253 for (j = 0; j < tp->irq_cnt; j++) {
6254 struct tg3_napi *tnapi = &tp->napi[j];
6256 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6258 if (!tnapi->tx_buffers)
6261 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6262 struct ring_info *txp;
6263 struct sk_buff *skb;
6266 txp = &tnapi->tx_buffers[i];
6274 pci_unmap_single(tp->pdev,
6275 dma_unmap_addr(txp, mapping),
6282 for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6283 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6284 pci_unmap_page(tp->pdev,
6285 dma_unmap_addr(txp, mapping),
6286 skb_shinfo(skb)->frags[k].size,
6291 dev_kfree_skb_any(skb);
6296 /* Initialize tx/rx rings for packet processing.
6298 * The chip has been shut down and the driver detached from
6299 * the networking, so no interrupts or new tx packets will
6300 * end up in the driver. tp->{tx,}lock are held and thus
6303 static int tg3_init_rings(struct tg3 *tp)
6307 /* Free up all the SKBs. */
6310 for (i = 0; i < tp->irq_cnt; i++) {
6311 struct tg3_napi *tnapi = &tp->napi[i];
6313 tnapi->last_tag = 0;
6314 tnapi->last_irq_tag = 0;
6315 tnapi->hw_status->status = 0;
6316 tnapi->hw_status->status_tag = 0;
6317 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6322 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6324 tnapi->rx_rcb_ptr = 0;
6326 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6328 if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
6338 * Must not be invoked with interrupt sources disabled and
6339 * the hardware shutdown down.
6341 static void tg3_free_consistent(struct tg3 *tp)
6345 for (i = 0; i < tp->irq_cnt; i++) {
6346 struct tg3_napi *tnapi = &tp->napi[i];
6348 if (tnapi->tx_ring) {
6349 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6350 tnapi->tx_ring, tnapi->tx_desc_mapping);
6351 tnapi->tx_ring = NULL;
6354 kfree(tnapi->tx_buffers);
6355 tnapi->tx_buffers = NULL;
6357 if (tnapi->rx_rcb) {
6358 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6360 tnapi->rx_rcb_mapping);
6361 tnapi->rx_rcb = NULL;
6364 if (tnapi->hw_status) {
6365 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6367 tnapi->status_mapping);
6368 tnapi->hw_status = NULL;
6373 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6374 tp->hw_stats, tp->stats_mapping);
6375 tp->hw_stats = NULL;
6378 for (i = 0; i < tp->irq_cnt; i++)
6379 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
6383 * Must not be invoked with interrupt sources disabled and
6384 * the hardware shutdown down. Can sleep.
6386 static int tg3_alloc_consistent(struct tg3 *tp)
6390 for (i = 0; i < tp->irq_cnt; i++) {
6391 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6395 tp->hw_stats = pci_alloc_consistent(tp->pdev,
6396 sizeof(struct tg3_hw_stats),
6397 &tp->stats_mapping);
6401 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6403 for (i = 0; i < tp->irq_cnt; i++) {
6404 struct tg3_napi *tnapi = &tp->napi[i];
6405 struct tg3_hw_status *sblk;
6407 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6409 &tnapi->status_mapping);
6410 if (!tnapi->hw_status)
6413 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6414 sblk = tnapi->hw_status;
6416 /* If multivector TSS is enabled, vector 0 does not handle
6417 * tx interrupts. Don't allocate any resources for it.
6419 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6420 (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6421 tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6424 if (!tnapi->tx_buffers)
6427 tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6429 &tnapi->tx_desc_mapping);
6430 if (!tnapi->tx_ring)
6435 * When RSS is enabled, the status block format changes
6436 * slightly. The "rx_jumbo_consumer", "reserved",
6437 * and "rx_mini_consumer" members get mapped to the
6438 * other three rx return ring producer indexes.
6442 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6445 tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6448 tnapi->rx_rcb_prod_idx = &sblk->reserved;
6451 tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6455 tnapi->prodring = &tp->prodring[i];
6458 * If multivector RSS is enabled, vector 0 does not handle
6459 * rx or tx interrupts. Don't allocate any resources for it.
6461 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6464 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6465 TG3_RX_RCB_RING_BYTES(tp),
6466 &tnapi->rx_rcb_mapping);
6470 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6476 tg3_free_consistent(tp);
6480 #define MAX_WAIT_CNT 1000
6482 /* To stop a block, clear the enable bit and poll till it
6483 * clears. tp->lock is held.
6485 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6490 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6497 /* We can't enable/disable these bits of the
6498 * 5705/5750, just say success.
6511 for (i = 0; i < MAX_WAIT_CNT; i++) {
6514 if ((val & enable_bit) == 0)
6518 if (i == MAX_WAIT_CNT && !silent) {
6519 dev_err(&tp->pdev->dev,
6520 "tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
6528 /* tp->lock is held. */
6529 static int tg3_abort_hw(struct tg3 *tp, int silent)
6533 tg3_disable_ints(tp);
6535 tp->rx_mode &= ~RX_MODE_ENABLE;
6536 tw32_f(MAC_RX_MODE, tp->rx_mode);
6539 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6540 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6541 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6542 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6543 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6544 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6546 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6547 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6548 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6549 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6550 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6551 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6552 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6554 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6555 tw32_f(MAC_MODE, tp->mac_mode);
6558 tp->tx_mode &= ~TX_MODE_ENABLE;
6559 tw32_f(MAC_TX_MODE, tp->tx_mode);
6561 for (i = 0; i < MAX_WAIT_CNT; i++) {
6563 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6566 if (i >= MAX_WAIT_CNT) {
6567 dev_err(&tp->pdev->dev,
6568 "%s timed out, TX_MODE_ENABLE will not clear "
6569 "MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE));
6573 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6574 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6575 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6577 tw32(FTQ_RESET, 0xffffffff);
6578 tw32(FTQ_RESET, 0x00000000);
6580 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6581 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6583 for (i = 0; i < tp->irq_cnt; i++) {
6584 struct tg3_napi *tnapi = &tp->napi[i];
6585 if (tnapi->hw_status)
6586 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6589 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6594 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6599 /* NCSI does not support APE events */
6600 if (tp->tg3_flags3 & TG3_FLG3_APE_HAS_NCSI)
6603 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6604 if (apedata != APE_SEG_SIG_MAGIC)
6607 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6608 if (!(apedata & APE_FW_STATUS_READY))
6611 /* Wait for up to 1 millisecond for APE to service previous event. */
6612 for (i = 0; i < 10; i++) {
6613 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6616 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6618 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6619 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6620 event | APE_EVENT_STATUS_EVENT_PENDING);
6622 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6624 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6630 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6631 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6634 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6639 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6643 case RESET_KIND_INIT:
6644 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6645 APE_HOST_SEG_SIG_MAGIC);
6646 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6647 APE_HOST_SEG_LEN_MAGIC);
6648 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6649 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6650 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6651 APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM));
6652 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6653 APE_HOST_BEHAV_NO_PHYLOCK);
6654 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE,
6655 TG3_APE_HOST_DRVR_STATE_START);
6657 event = APE_EVENT_STATUS_STATE_START;
6659 case RESET_KIND_SHUTDOWN:
6660 /* With the interface we are currently using,
6661 * APE does not track driver state. Wiping
6662 * out the HOST SEGMENT SIGNATURE forces
6663 * the APE to assume OS absent status.
6665 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6667 if (device_may_wakeup(&tp->pdev->dev) &&
6668 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) {
6669 tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED,
6670 TG3_APE_HOST_WOL_SPEED_AUTO);
6671 apedata = TG3_APE_HOST_DRVR_STATE_WOL;
6673 apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD;
6675 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata);
6677 event = APE_EVENT_STATUS_STATE_UNLOAD;
6679 case RESET_KIND_SUSPEND:
6680 event = APE_EVENT_STATUS_STATE_SUSPEND;
6686 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6688 tg3_ape_send_event(tp, event);
6691 /* tp->lock is held. */
6692 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6694 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6695 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6697 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6699 case RESET_KIND_INIT:
6700 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6704 case RESET_KIND_SHUTDOWN:
6705 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6709 case RESET_KIND_SUSPEND:
6710 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6719 if (kind == RESET_KIND_INIT ||
6720 kind == RESET_KIND_SUSPEND)
6721 tg3_ape_driver_state_change(tp, kind);
6724 /* tp->lock is held. */
6725 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6727 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6729 case RESET_KIND_INIT:
6730 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6731 DRV_STATE_START_DONE);
6734 case RESET_KIND_SHUTDOWN:
6735 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6736 DRV_STATE_UNLOAD_DONE);
6744 if (kind == RESET_KIND_SHUTDOWN)
6745 tg3_ape_driver_state_change(tp, kind);
6748 /* tp->lock is held. */
6749 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6751 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6753 case RESET_KIND_INIT:
6754 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6758 case RESET_KIND_SHUTDOWN:
6759 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6763 case RESET_KIND_SUSPEND:
6764 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6774 static int tg3_poll_fw(struct tg3 *tp)
6779 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6780 /* Wait up to 20ms for init done. */
6781 for (i = 0; i < 200; i++) {
6782 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6789 /* Wait for firmware initialization to complete. */
6790 for (i = 0; i < 100000; i++) {
6791 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6792 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6797 /* Chip might not be fitted with firmware. Some Sun onboard
6798 * parts are configured like that. So don't signal the timeout
6799 * of the above loop as an error, but do report the lack of
6800 * running firmware once.
6803 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6804 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6806 netdev_info(tp->dev, "No firmware running\n");
6809 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6810 /* The 57765 A0 needs a little more
6811 * time to do some important work.
6819 /* Save PCI command register before chip reset */
6820 static void tg3_save_pci_state(struct tg3 *tp)
6822 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6825 /* Restore PCI state after chip reset */
6826 static void tg3_restore_pci_state(struct tg3 *tp)
6830 /* Re-enable indirect register accesses. */
6831 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6832 tp->misc_host_ctrl);
6834 /* Set MAX PCI retry to zero. */
6835 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6836 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6837 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6838 val |= PCISTATE_RETRY_SAME_DMA;
6839 /* Allow reads and writes to the APE register and memory space. */
6840 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6841 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6842 PCISTATE_ALLOW_APE_SHMEM_WR |
6843 PCISTATE_ALLOW_APE_PSPACE_WR;
6844 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6846 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6848 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6849 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6850 pcie_set_readrq(tp->pdev, 4096);
6852 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6853 tp->pci_cacheline_sz);
6854 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6859 /* Make sure PCI-X relaxed ordering bit is clear. */
6860 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6863 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6865 pcix_cmd &= ~PCI_X_CMD_ERO;
6866 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6870 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6872 /* Chip reset on 5780 will reset MSI enable bit,
6873 * so need to restore it.
6875 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6878 pci_read_config_word(tp->pdev,
6879 tp->msi_cap + PCI_MSI_FLAGS,
6881 pci_write_config_word(tp->pdev,
6882 tp->msi_cap + PCI_MSI_FLAGS,
6883 ctrl | PCI_MSI_FLAGS_ENABLE);
6884 val = tr32(MSGINT_MODE);
6885 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6890 static void tg3_stop_fw(struct tg3 *);
6892 /* tp->lock is held. */
6893 static int tg3_chip_reset(struct tg3 *tp)
6896 void (*write_op)(struct tg3 *, u32, u32);
6901 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6903 /* No matching tg3_nvram_unlock() after this because
6904 * chip reset below will undo the nvram lock.
6906 tp->nvram_lock_cnt = 0;
6908 /* GRC_MISC_CFG core clock reset will clear the memory
6909 * enable bit in PCI register 4 and the MSI enable bit
6910 * on some chips, so we save relevant registers here.
6912 tg3_save_pci_state(tp);
6914 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6915 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6916 tw32(GRC_FASTBOOT_PC, 0);
6919 * We must avoid the readl() that normally takes place.
6920 * It locks machines, causes machine checks, and other
6921 * fun things. So, temporarily disable the 5701
6922 * hardware workaround, while we do the reset.
6924 write_op = tp->write32;
6925 if (write_op == tg3_write_flush_reg32)
6926 tp->write32 = tg3_write32;
6928 /* Prevent the irq handler from reading or writing PCI registers
6929 * during chip reset when the memory enable bit in the PCI command
6930 * register may be cleared. The chip does not generate interrupt
6931 * at this time, but the irq handler may still be called due to irq
6932 * sharing or irqpoll.
6934 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6935 for (i = 0; i < tp->irq_cnt; i++) {
6936 struct tg3_napi *tnapi = &tp->napi[i];
6937 if (tnapi->hw_status) {
6938 tnapi->hw_status->status = 0;
6939 tnapi->hw_status->status_tag = 0;
6941 tnapi->last_tag = 0;
6942 tnapi->last_irq_tag = 0;
6946 for (i = 0; i < tp->irq_cnt; i++)
6947 synchronize_irq(tp->napi[i].irq_vec);
6949 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6950 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6951 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6955 val = GRC_MISC_CFG_CORECLK_RESET;
6957 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6958 /* Force PCIe 1.0a mode */
6959 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
6960 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
6961 tr32(TG3_PCIE_PHY_TSTCTL) ==
6962 (TG3_PCIE_PHY_TSTCTL_PCIE10 | TG3_PCIE_PHY_TSTCTL_PSCRAM))
6963 tw32(TG3_PCIE_PHY_TSTCTL, TG3_PCIE_PHY_TSTCTL_PSCRAM);
6965 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6966 tw32(GRC_MISC_CFG, (1 << 29));
6971 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6972 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6973 tw32(GRC_VCPU_EXT_CTRL,
6974 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6977 /* Manage gphy power for all CPMU absent PCIe devices. */
6978 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6979 !(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT))
6980 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6982 tw32(GRC_MISC_CFG, val);
6984 /* restore 5701 hardware bug workaround write method */
6985 tp->write32 = write_op;
6987 /* Unfortunately, we have to delay before the PCI read back.
6988 * Some 575X chips even will not respond to a PCI cfg access
6989 * when the reset command is given to the chip.
6991 * How do these hardware designers expect things to work
6992 * properly if the PCI write is posted for a long period
6993 * of time? It is always necessary to have some method by
6994 * which a register read back can occur to push the write
6995 * out which does the reset.
6997 * For most tg3 variants the trick below was working.
7002 /* Flush PCI posted writes. The normal MMIO registers
7003 * are inaccessible at this time so this is the only
7004 * way to make this reliably (actually, this is no longer
7005 * the case, see above). I tried to use indirect
7006 * register read/write but this upset some 5701 variants.
7008 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
7012 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
7015 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
7019 /* Wait for link training to complete. */
7020 for (i = 0; i < 5000; i++)
7023 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
7024 pci_write_config_dword(tp->pdev, 0xc4,
7025 cfg_val | (1 << 15));
7028 /* Clear the "no snoop" and "relaxed ordering" bits. */
7029 pci_read_config_word(tp->pdev,
7030 tp->pcie_cap + PCI_EXP_DEVCTL,
7032 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
7033 PCI_EXP_DEVCTL_NOSNOOP_EN);
7035 * Older PCIe devices only support the 128 byte
7036 * MPS setting. Enforce the restriction.
7038 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT))
7039 val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
7040 pci_write_config_word(tp->pdev,
7041 tp->pcie_cap + PCI_EXP_DEVCTL,
7044 pcie_set_readrq(tp->pdev, 4096);
7046 /* Clear error status */
7047 pci_write_config_word(tp->pdev,
7048 tp->pcie_cap + PCI_EXP_DEVSTA,
7049 PCI_EXP_DEVSTA_CED |
7050 PCI_EXP_DEVSTA_NFED |
7051 PCI_EXP_DEVSTA_FED |
7052 PCI_EXP_DEVSTA_URD);
7055 tg3_restore_pci_state(tp);
7057 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
7060 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
7061 val = tr32(MEMARB_MODE);
7062 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
7064 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
7066 tw32(0x5000, 0x400);
7069 tw32(GRC_MODE, tp->grc_mode);
7071 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
7074 tw32(0xc4, val | (1 << 15));
7077 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
7078 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7079 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
7080 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
7081 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
7082 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7085 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
7086 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
7087 tw32_f(MAC_MODE, tp->mac_mode);
7088 } else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
7089 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
7090 tw32_f(MAC_MODE, tp->mac_mode);
7091 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7092 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
7093 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
7094 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
7095 tw32_f(MAC_MODE, tp->mac_mode);
7097 tw32_f(MAC_MODE, 0);
7100 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
7102 err = tg3_poll_fw(tp);
7108 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7109 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7110 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7111 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
7114 tw32(0x7c00, val | (1 << 25));
7117 /* Reprobe ASF enable state. */
7118 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7119 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7120 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7121 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7124 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7125 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7126 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7127 tp->last_event_jiffies = jiffies;
7128 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7129 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7136 /* tp->lock is held. */
7137 static void tg3_stop_fw(struct tg3 *tp)
7139 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7140 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7141 /* Wait for RX cpu to ACK the previous event. */
7142 tg3_wait_for_event_ack(tp);
7144 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7146 tg3_generate_fw_event(tp);
7148 /* Wait for RX cpu to ACK this event. */
7149 tg3_wait_for_event_ack(tp);
7153 /* tp->lock is held. */
7154 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7160 tg3_write_sig_pre_reset(tp, kind);
7162 tg3_abort_hw(tp, silent);
7163 err = tg3_chip_reset(tp);
7165 __tg3_set_mac_addr(tp, 0);
7167 tg3_write_sig_legacy(tp, kind);
7168 tg3_write_sig_post_reset(tp, kind);
7176 #define RX_CPU_SCRATCH_BASE 0x30000
7177 #define RX_CPU_SCRATCH_SIZE 0x04000
7178 #define TX_CPU_SCRATCH_BASE 0x34000
7179 #define TX_CPU_SCRATCH_SIZE 0x04000
7181 /* tp->lock is held. */
7182 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7186 BUG_ON(offset == TX_CPU_BASE &&
7187 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7189 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7190 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7192 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7195 if (offset == RX_CPU_BASE) {
7196 for (i = 0; i < 10000; i++) {
7197 tw32(offset + CPU_STATE, 0xffffffff);
7198 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7199 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7203 tw32(offset + CPU_STATE, 0xffffffff);
7204 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
7207 for (i = 0; i < 10000; i++) {
7208 tw32(offset + CPU_STATE, 0xffffffff);
7209 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7210 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7216 netdev_err(tp->dev, "%s timed out, %s CPU\n",
7217 __func__, offset == RX_CPU_BASE ? "RX" : "TX");
7221 /* Clear firmware's nvram arbitration. */
7222 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7223 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7228 unsigned int fw_base;
7229 unsigned int fw_len;
7230 const __be32 *fw_data;
7233 /* tp->lock is held. */
7234 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7235 int cpu_scratch_size, struct fw_info *info)
7237 int err, lock_err, i;
7238 void (*write_op)(struct tg3 *, u32, u32);
7240 if (cpu_base == TX_CPU_BASE &&
7241 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7243 "%s: Trying to load TX cpu firmware which is 5705\n",
7248 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7249 write_op = tg3_write_mem;
7251 write_op = tg3_write_indirect_reg32;
7253 /* It is possible that bootcode is still loading at this point.
7254 * Get the nvram lock first before halting the cpu.
7256 lock_err = tg3_nvram_lock(tp);
7257 err = tg3_halt_cpu(tp, cpu_base);
7259 tg3_nvram_unlock(tp);
7263 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7264 write_op(tp, cpu_scratch_base + i, 0);
7265 tw32(cpu_base + CPU_STATE, 0xffffffff);
7266 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7267 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7268 write_op(tp, (cpu_scratch_base +
7269 (info->fw_base & 0xffff) +
7271 be32_to_cpu(info->fw_data[i]));
7279 /* tp->lock is held. */
7280 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7282 struct fw_info info;
7283 const __be32 *fw_data;
7286 fw_data = (void *)tp->fw->data;
7288 /* Firmware blob starts with version numbers, followed by
7289 start address and length. We are setting complete length.
7290 length = end_address_of_bss - start_address_of_text.
7291 Remainder is the blob to be loaded contiguously
7292 from start address. */
7294 info.fw_base = be32_to_cpu(fw_data[1]);
7295 info.fw_len = tp->fw->size - 12;
7296 info.fw_data = &fw_data[3];
7298 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7299 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7304 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7305 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7310 /* Now startup only the RX cpu. */
7311 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7312 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7314 for (i = 0; i < 5; i++) {
7315 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7317 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7318 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
7319 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7323 netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x "
7324 "should be %08x\n", __func__,
7325 tr32(RX_CPU_BASE + CPU_PC), info.fw_base);
7328 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7329 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
7334 /* 5705 needs a special version of the TSO firmware. */
7336 /* tp->lock is held. */
7337 static int tg3_load_tso_firmware(struct tg3 *tp)
7339 struct fw_info info;
7340 const __be32 *fw_data;
7341 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7344 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7347 fw_data = (void *)tp->fw->data;
7349 /* Firmware blob starts with version numbers, followed by
7350 start address and length. We are setting complete length.
7351 length = end_address_of_bss - start_address_of_text.
7352 Remainder is the blob to be loaded contiguously
7353 from start address. */
7355 info.fw_base = be32_to_cpu(fw_data[1]);
7356 cpu_scratch_size = tp->fw_len;
7357 info.fw_len = tp->fw->size - 12;
7358 info.fw_data = &fw_data[3];
7360 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7361 cpu_base = RX_CPU_BASE;
7362 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7364 cpu_base = TX_CPU_BASE;
7365 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7366 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7369 err = tg3_load_firmware_cpu(tp, cpu_base,
7370 cpu_scratch_base, cpu_scratch_size,
7375 /* Now startup the cpu. */
7376 tw32(cpu_base + CPU_STATE, 0xffffffff);
7377 tw32_f(cpu_base + CPU_PC, info.fw_base);
7379 for (i = 0; i < 5; i++) {
7380 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7382 tw32(cpu_base + CPU_STATE, 0xffffffff);
7383 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
7384 tw32_f(cpu_base + CPU_PC, info.fw_base);
7389 "%s fails to set CPU PC, is %08x should be %08x\n",
7390 __func__, tr32(cpu_base + CPU_PC), info.fw_base);
7393 tw32(cpu_base + CPU_STATE, 0xffffffff);
7394 tw32_f(cpu_base + CPU_MODE, 0x00000000);
7399 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7401 struct tg3 *tp = netdev_priv(dev);
7402 struct sockaddr *addr = p;
7403 int err = 0, skip_mac_1 = 0;
7405 if (!is_valid_ether_addr(addr->sa_data))
7408 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7410 if (!netif_running(dev))
7413 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7414 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7416 addr0_high = tr32(MAC_ADDR_0_HIGH);
7417 addr0_low = tr32(MAC_ADDR_0_LOW);
7418 addr1_high = tr32(MAC_ADDR_1_HIGH);
7419 addr1_low = tr32(MAC_ADDR_1_LOW);
7421 /* Skip MAC addr 1 if ASF is using it. */
7422 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7423 !(addr1_high == 0 && addr1_low == 0))
7426 spin_lock_bh(&tp->lock);
7427 __tg3_set_mac_addr(tp, skip_mac_1);
7428 spin_unlock_bh(&tp->lock);
7433 /* tp->lock is held. */
7434 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7435 dma_addr_t mapping, u32 maxlen_flags,
7439 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7440 ((u64) mapping >> 32));
7442 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7443 ((u64) mapping & 0xffffffff));
7445 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7448 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7450 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7454 static void __tg3_set_rx_mode(struct net_device *);
7455 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7459 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7460 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7461 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7462 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7464 tw32(HOSTCC_TXCOL_TICKS, 0);
7465 tw32(HOSTCC_TXMAX_FRAMES, 0);
7466 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7469 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
7470 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7471 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7472 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7474 tw32(HOSTCC_RXCOL_TICKS, 0);
7475 tw32(HOSTCC_RXMAX_FRAMES, 0);
7476 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7479 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7480 u32 val = ec->stats_block_coalesce_usecs;
7482 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7483 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7485 if (!netif_carrier_ok(tp->dev))
7488 tw32(HOSTCC_STAT_COAL_TICKS, val);
7491 for (i = 0; i < tp->irq_cnt - 1; i++) {
7494 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7495 tw32(reg, ec->rx_coalesce_usecs);
7496 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7497 tw32(reg, ec->rx_max_coalesced_frames);
7498 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7499 tw32(reg, ec->rx_max_coalesced_frames_irq);
7501 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7502 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7503 tw32(reg, ec->tx_coalesce_usecs);
7504 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7505 tw32(reg, ec->tx_max_coalesced_frames);
7506 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7507 tw32(reg, ec->tx_max_coalesced_frames_irq);
7511 for (; i < tp->irq_max - 1; i++) {
7512 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7513 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7514 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7516 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7517 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7518 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7519 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7524 /* tp->lock is held. */
7525 static void tg3_rings_reset(struct tg3 *tp)
7528 u32 stblk, txrcb, rxrcb, limit;
7529 struct tg3_napi *tnapi = &tp->napi[0];
7531 /* Disable all transmit rings but the first. */
7532 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7533 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7534 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7535 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7537 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7539 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7540 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7541 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7542 BDINFO_FLAGS_DISABLED);
7545 /* Disable all receive return rings but the first. */
7546 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7547 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
7548 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7549 else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7550 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7551 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7552 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7553 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7555 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7557 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7558 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7559 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7560 BDINFO_FLAGS_DISABLED);
7562 /* Disable interrupts */
7563 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7565 /* Zero mailbox registers. */
7566 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7567 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7568 tp->napi[i].tx_prod = 0;
7569 tp->napi[i].tx_cons = 0;
7570 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7571 tw32_mailbox(tp->napi[i].prodmbox, 0);
7572 tw32_rx_mbox(tp->napi[i].consmbox, 0);
7573 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7575 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7576 tw32_mailbox(tp->napi[0].prodmbox, 0);
7578 tp->napi[0].tx_prod = 0;
7579 tp->napi[0].tx_cons = 0;
7580 tw32_mailbox(tp->napi[0].prodmbox, 0);
7581 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7584 /* Make sure the NIC-based send BD rings are disabled. */
7585 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7586 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7587 for (i = 0; i < 16; i++)
7588 tw32_tx_mbox(mbox + i * 8, 0);
7591 txrcb = NIC_SRAM_SEND_RCB;
7592 rxrcb = NIC_SRAM_RCV_RET_RCB;
7594 /* Clear status block in ram. */
7595 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7597 /* Set status block DMA address */
7598 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7599 ((u64) tnapi->status_mapping >> 32));
7600 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7601 ((u64) tnapi->status_mapping & 0xffffffff));
7603 if (tnapi->tx_ring) {
7604 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7605 (TG3_TX_RING_SIZE <<
7606 BDINFO_FLAGS_MAXLEN_SHIFT),
7607 NIC_SRAM_TX_BUFFER_DESC);
7608 txrcb += TG3_BDINFO_SIZE;
7611 if (tnapi->rx_rcb) {
7612 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7613 (TG3_RX_RCB_RING_SIZE(tp) <<
7614 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7615 rxrcb += TG3_BDINFO_SIZE;
7618 stblk = HOSTCC_STATBLCK_RING1;
7620 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7621 u64 mapping = (u64)tnapi->status_mapping;
7622 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7623 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7625 /* Clear status block in ram. */
7626 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7628 if (tnapi->tx_ring) {
7629 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7630 (TG3_TX_RING_SIZE <<
7631 BDINFO_FLAGS_MAXLEN_SHIFT),
7632 NIC_SRAM_TX_BUFFER_DESC);
7633 txrcb += TG3_BDINFO_SIZE;
7636 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7637 (TG3_RX_RCB_RING_SIZE(tp) <<
7638 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7641 rxrcb += TG3_BDINFO_SIZE;
7645 /* tp->lock is held. */
7646 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7648 u32 val, rdmac_mode;
7650 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7652 tg3_disable_ints(tp);
7656 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7658 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)
7659 tg3_abort_hw(tp, 1);
7664 err = tg3_chip_reset(tp);
7668 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7670 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7671 val = tr32(TG3_CPMU_CTRL);
7672 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7673 tw32(TG3_CPMU_CTRL, val);
7675 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7676 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7677 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7678 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7680 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7681 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7682 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7683 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7685 val = tr32(TG3_CPMU_HST_ACC);
7686 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7687 val |= CPMU_HST_ACC_MACCLK_6_25;
7688 tw32(TG3_CPMU_HST_ACC, val);
7691 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7692 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7693 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7694 PCIE_PWR_MGMT_L1_THRESH_4MS;
7695 tw32(PCIE_PWR_MGMT_THRESH, val);
7697 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7698 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7700 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7702 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7703 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7706 if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7707 u32 grc_mode = tr32(GRC_MODE);
7709 /* Access the lower 1K of PL PCIE block registers. */
7710 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7711 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7713 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7714 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7715 val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7717 tw32(GRC_MODE, grc_mode);
7720 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
7721 u32 grc_mode = tr32(GRC_MODE);
7723 /* Access the lower 1K of PL PCIE block registers. */
7724 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7725 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7727 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5);
7728 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5,
7729 val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ);
7731 tw32(GRC_MODE, grc_mode);
7733 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7734 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7735 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7736 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7739 /* This works around an issue with Athlon chipsets on
7740 * B3 tigon3 silicon. This bit has no effect on any
7741 * other revision. But do not set this on PCI Express
7742 * chips and don't even touch the clocks if the CPMU is present.
7744 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7745 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7746 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7747 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7750 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7751 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7752 val = tr32(TG3PCI_PCISTATE);
7753 val |= PCISTATE_RETRY_SAME_DMA;
7754 tw32(TG3PCI_PCISTATE, val);
7757 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7758 /* Allow reads and writes to the
7759 * APE register and memory space.
7761 val = tr32(TG3PCI_PCISTATE);
7762 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7763 PCISTATE_ALLOW_APE_SHMEM_WR |
7764 PCISTATE_ALLOW_APE_PSPACE_WR;
7765 tw32(TG3PCI_PCISTATE, val);
7768 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7769 /* Enable some hw fixes. */
7770 val = tr32(TG3PCI_MSI_DATA);
7771 val |= (1 << 26) | (1 << 28) | (1 << 29);
7772 tw32(TG3PCI_MSI_DATA, val);
7775 /* Descriptor ring init may make accesses to the
7776 * NIC SRAM area to setup the TX descriptors, so we
7777 * can only do this after the hardware has been
7778 * successfully reset.
7780 err = tg3_init_rings(tp);
7784 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
7785 val = tr32(TG3PCI_DMA_RW_CTRL) &
7786 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7787 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0)
7788 val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
7789 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7790 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7791 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7792 /* This value is determined during the probe time DMA
7793 * engine test, tg3_test_dma.
7795 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7798 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7799 GRC_MODE_4X_NIC_SEND_RINGS |
7800 GRC_MODE_NO_TX_PHDR_CSUM |
7801 GRC_MODE_NO_RX_PHDR_CSUM);
7802 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7804 /* Pseudo-header checksum is done by hardware logic and not
7805 * the offload processers, so make the chip do the pseudo-
7806 * header checksums on receive. For transmit it is more
7807 * convenient to do the pseudo-header checksum in software
7808 * as Linux does that on transmit for us in all cases.
7810 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7814 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7816 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7817 val = tr32(GRC_MISC_CFG);
7819 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7820 tw32(GRC_MISC_CFG, val);
7822 /* Initialize MBUF/DESC pool. */
7823 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7825 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7826 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7827 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7828 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7830 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7831 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7832 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7833 } else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7836 fw_len = tp->fw_len;
7837 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7838 tw32(BUFMGR_MB_POOL_ADDR,
7839 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7840 tw32(BUFMGR_MB_POOL_SIZE,
7841 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7844 if (tp->dev->mtu <= ETH_DATA_LEN) {
7845 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7846 tp->bufmgr_config.mbuf_read_dma_low_water);
7847 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7848 tp->bufmgr_config.mbuf_mac_rx_low_water);
7849 tw32(BUFMGR_MB_HIGH_WATER,
7850 tp->bufmgr_config.mbuf_high_water);
7852 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7853 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7854 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7855 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7856 tw32(BUFMGR_MB_HIGH_WATER,
7857 tp->bufmgr_config.mbuf_high_water_jumbo);
7859 tw32(BUFMGR_DMA_LOW_WATER,
7860 tp->bufmgr_config.dma_low_water);
7861 tw32(BUFMGR_DMA_HIGH_WATER,
7862 tp->bufmgr_config.dma_high_water);
7864 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7865 for (i = 0; i < 2000; i++) {
7866 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7871 netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
7875 /* Setup replenish threshold. */
7876 val = tp->rx_pending / 8;
7879 else if (val > tp->rx_std_max_post)
7880 val = tp->rx_std_max_post;
7881 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7882 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7883 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7885 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7886 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7889 tw32(RCVBDI_STD_THRESH, val);
7891 /* Initialize TG3_BDINFO's at:
7892 * RCVDBDI_STD_BD: standard eth size rx ring
7893 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
7894 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
7897 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
7898 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
7899 * ring attribute flags
7900 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
7902 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7903 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7905 * The size of each ring is fixed in the firmware, but the location is
7908 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7909 ((u64) tpr->rx_std_mapping >> 32));
7910 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7911 ((u64) tpr->rx_std_mapping & 0xffffffff));
7912 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
7913 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719)
7914 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7915 NIC_SRAM_RX_BUFFER_DESC);
7917 /* Disable the mini ring */
7918 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7919 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7920 BDINFO_FLAGS_DISABLED);
7922 /* Program the jumbo buffer descriptor ring control
7923 * blocks on those devices that have them.
7925 if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7926 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7927 /* Setup replenish threshold. */
7928 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7930 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7931 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7932 ((u64) tpr->rx_jmb_mapping >> 32));
7933 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7934 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7935 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7936 (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7937 BDINFO_FLAGS_USE_EXT_RECV);
7938 if (!(tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) ||
7939 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7940 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7941 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7943 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7944 BDINFO_FLAGS_DISABLED);
7947 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
7948 val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7949 (TG3_RX_STD_DMA_SZ << 2);
7951 val = TG3_RX_STD_DMA_SZ << BDINFO_FLAGS_MAXLEN_SHIFT;
7953 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7955 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7957 tpr->rx_std_prod_idx = tp->rx_pending;
7958 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
7960 tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7961 tp->rx_jumbo_pending : 0;
7962 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
7964 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
7965 tw32(STD_REPLENISH_LWM, 32);
7966 tw32(JMB_REPLENISH_LWM, 16);
7969 tg3_rings_reset(tp);
7971 /* Initialize MAC address and backoff seed. */
7972 __tg3_set_mac_addr(tp, 0);
7974 /* MTU + ethernet header + FCS + optional VLAN tag */
7975 tw32(MAC_RX_MTU_SIZE,
7976 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7978 /* The slot time is changed by tg3_setup_phy if we
7979 * run at gigabit with half duplex.
7981 tw32(MAC_TX_LENGTHS,
7982 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7983 (6 << TX_LENGTHS_IPG_SHIFT) |
7984 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7986 /* Receive rules. */
7987 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7988 tw32(RCVLPC_CONFIG, 0x0181);
7990 /* Calculate RDMAC_MODE setting early, we need it to determine
7991 * the RCVLPC_STATE_ENABLE mask.
7993 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7994 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7995 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7996 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7997 RDMAC_MODE_LNGREAD_ENAB);
7999 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8000 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
8001 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
8003 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8004 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8005 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8006 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
8007 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
8008 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
8010 /* If statement applies to 5705 and 5750 PCI devices only */
8011 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8012 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8013 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
8014 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
8015 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
8016 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
8017 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8018 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
8019 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
8023 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
8024 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
8026 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8027 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
8029 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
8030 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8031 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8032 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
8034 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
8035 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8036 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8037 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
8038 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
8039 val = tr32(TG3_RDMA_RSRVCTRL_REG);
8040 tw32(TG3_RDMA_RSRVCTRL_REG,
8041 val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX);
8044 /* Receive/send statistics. */
8045 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
8046 val = tr32(RCVLPC_STATS_ENABLE);
8047 val &= ~RCVLPC_STATSENAB_DACK_FIX;
8048 tw32(RCVLPC_STATS_ENABLE, val);
8049 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
8050 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8051 val = tr32(RCVLPC_STATS_ENABLE);
8052 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
8053 tw32(RCVLPC_STATS_ENABLE, val);
8055 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
8057 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
8058 tw32(SNDDATAI_STATSENAB, 0xffffff);
8059 tw32(SNDDATAI_STATSCTRL,
8060 (SNDDATAI_SCTRL_ENABLE |
8061 SNDDATAI_SCTRL_FASTUPD));
8063 /* Setup host coalescing engine. */
8064 tw32(HOSTCC_MODE, 0);
8065 for (i = 0; i < 2000; i++) {
8066 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
8071 __tg3_set_coalesce(tp, &tp->coal);
8073 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8074 /* Status/statistics block address. See tg3_timer,
8075 * the tg3_periodic_fetch_stats call there, and
8076 * tg3_get_stats to see how this works for 5705/5750 chips.
8078 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
8079 ((u64) tp->stats_mapping >> 32));
8080 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
8081 ((u64) tp->stats_mapping & 0xffffffff));
8082 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
8084 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
8086 /* Clear statistics and status block memory areas */
8087 for (i = NIC_SRAM_STATS_BLK;
8088 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
8090 tg3_write_mem(tp, i, 0);
8095 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
8097 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
8098 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
8099 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8100 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
8102 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
8103 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
8104 /* reset to prevent losing 1st rx packet intermittently */
8105 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8109 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8110 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
8113 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
8114 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
8115 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8116 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
8117 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8118 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8119 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8122 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8123 * If TG3_FLG2_IS_NIC is zero, we should read the
8124 * register to preserve the GPIO settings for LOMs. The GPIOs,
8125 * whether used as inputs or outputs, are set by boot code after
8128 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8131 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8132 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8133 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8135 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8136 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8137 GRC_LCLCTRL_GPIO_OUTPUT3;
8139 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8140 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8142 tp->grc_local_ctrl &= ~gpio_mask;
8143 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8145 /* GPIO1 must be driven high for eeprom write protect */
8146 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8147 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8148 GRC_LCLCTRL_GPIO_OUTPUT1);
8150 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8153 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8154 val = tr32(MSGINT_MODE);
8155 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8156 tw32(MSGINT_MODE, val);
8159 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8160 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8164 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8165 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8166 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8167 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8168 WDMAC_MODE_LNGREAD_ENAB);
8170 /* If statement applies to 5705 and 5750 PCI devices only */
8171 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8172 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8173 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8174 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8175 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8176 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8178 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8179 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8180 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8181 val |= WDMAC_MODE_RX_ACCEL;
8185 /* Enable host coalescing bug fix */
8186 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8187 val |= WDMAC_MODE_STATUS_TAG_FIX;
8189 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8190 val |= WDMAC_MODE_BURST_ALL_DATA;
8192 tw32_f(WDMAC_MODE, val);
8195 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8198 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8200 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8201 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8202 pcix_cmd |= PCI_X_CMD_READ_2K;
8203 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8204 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8205 pcix_cmd |= PCI_X_CMD_READ_2K;
8207 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8211 tw32_f(RDMAC_MODE, rdmac_mode);
8214 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8215 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8216 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8218 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8220 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8222 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8224 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8225 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8226 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8227 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8228 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8229 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8230 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8231 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8232 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8233 tw32(SNDBDI_MODE, val);
8234 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8236 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8237 err = tg3_load_5701_a0_firmware_fix(tp);
8242 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8243 err = tg3_load_tso_firmware(tp);
8248 tp->tx_mode = TX_MODE_ENABLE;
8249 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
8250 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8251 tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX;
8252 tw32_f(MAC_TX_MODE, tp->tx_mode);
8255 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8256 u32 reg = MAC_RSS_INDIR_TBL_0;
8257 u8 *ent = (u8 *)&val;
8259 /* Setup the indirection table */
8260 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8261 int idx = i % sizeof(val);
8263 ent[idx] = i % (tp->irq_cnt - 1);
8264 if (idx == sizeof(val) - 1) {
8270 /* Setup the "secret" hash key. */
8271 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8272 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8273 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8274 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8275 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8276 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8277 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8278 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8279 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8280 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8283 tp->rx_mode = RX_MODE_ENABLE;
8284 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8285 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8287 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8288 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8289 RX_MODE_RSS_ITBL_HASH_BITS_7 |
8290 RX_MODE_RSS_IPV6_HASH_EN |
8291 RX_MODE_RSS_TCP_IPV6_HASH_EN |
8292 RX_MODE_RSS_IPV4_HASH_EN |
8293 RX_MODE_RSS_TCP_IPV4_HASH_EN;
8295 tw32_f(MAC_RX_MODE, tp->rx_mode);
8298 tw32(MAC_LED_CTRL, tp->led_ctrl);
8300 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8301 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
8302 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8305 tw32_f(MAC_RX_MODE, tp->rx_mode);
8308 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
8309 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8310 !(tp->phy_flags & TG3_PHYFLG_SERDES_PREEMPHASIS)) {
8311 /* Set drive transmission level to 1.2V */
8312 /* only if the signal pre-emphasis bit is not set */
8313 val = tr32(MAC_SERDES_CFG);
8316 tw32(MAC_SERDES_CFG, val);
8318 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8319 tw32(MAC_SERDES_CFG, 0x616000);
8322 /* Prevent chip from dropping frames when flow control
8325 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8329 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8331 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8332 (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
8333 /* Use hardware link auto-negotiation */
8334 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8337 if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
8338 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8341 tmp = tr32(SERDES_RX_CTRL);
8342 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8343 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8344 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8345 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8348 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8349 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
8350 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
8351 tp->link_config.speed = tp->link_config.orig_speed;
8352 tp->link_config.duplex = tp->link_config.orig_duplex;
8353 tp->link_config.autoneg = tp->link_config.orig_autoneg;
8356 err = tg3_setup_phy(tp, 0);
8360 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
8361 !(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
8364 /* Clear CRC stats. */
8365 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8366 tg3_writephy(tp, MII_TG3_TEST1,
8367 tmp | MII_TG3_TEST1_CRC_EN);
8368 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &tmp);
8373 __tg3_set_rx_mode(tp->dev);
8375 /* Initialize receive rules. */
8376 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
8377 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8378 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
8379 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8381 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8382 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8386 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8390 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
8392 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
8394 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
8396 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
8398 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
8400 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
8402 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
8404 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
8406 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
8408 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
8410 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
8412 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
8414 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
8416 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
8424 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8425 /* Write our heartbeat update interval to APE. */
8426 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8427 APE_HOST_HEARTBEAT_INT_DISABLE);
8429 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8434 /* Called at device open time to get the chip ready for
8435 * packet processing. Invoked with tp->lock held.
8437 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8439 tg3_switch_clocks(tp);
8441 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8443 return tg3_reset_hw(tp, reset_phy);
8446 #define TG3_STAT_ADD32(PSTAT, REG) \
8447 do { u32 __val = tr32(REG); \
8448 (PSTAT)->low += __val; \
8449 if ((PSTAT)->low < __val) \
8450 (PSTAT)->high += 1; \
8453 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8455 struct tg3_hw_stats *sp = tp->hw_stats;
8457 if (!netif_carrier_ok(tp->dev))
8460 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8461 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8462 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8463 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8464 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8465 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8466 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8467 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8468 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8469 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8470 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8471 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8472 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8474 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8475 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8476 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8477 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8478 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8479 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8480 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8481 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8482 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8483 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8484 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8485 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8486 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8487 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8489 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8490 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8491 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8494 static void tg3_timer(unsigned long __opaque)
8496 struct tg3 *tp = (struct tg3 *) __opaque;
8501 spin_lock(&tp->lock);
8503 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8504 /* All of this garbage is because when using non-tagged
8505 * IRQ status the mailbox/status_block protocol the chip
8506 * uses with the cpu is race prone.
8508 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8509 tw32(GRC_LOCAL_CTRL,
8510 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8512 tw32(HOSTCC_MODE, tp->coalesce_mode |
8513 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8516 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8517 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8518 spin_unlock(&tp->lock);
8519 schedule_work(&tp->reset_task);
8524 /* This part only runs once per second. */
8525 if (!--tp->timer_counter) {
8526 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8527 tg3_periodic_fetch_stats(tp);
8529 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8533 mac_stat = tr32(MAC_STATUS);
8536 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) {
8537 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8539 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8543 tg3_setup_phy(tp, 0);
8544 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8545 u32 mac_stat = tr32(MAC_STATUS);
8548 if (netif_carrier_ok(tp->dev) &&
8549 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8552 if (!netif_carrier_ok(tp->dev) &&
8553 (mac_stat & (MAC_STATUS_PCS_SYNCED |
8554 MAC_STATUS_SIGNAL_DET))) {
8558 if (!tp->serdes_counter) {
8561 ~MAC_MODE_PORT_MODE_MASK));
8563 tw32_f(MAC_MODE, tp->mac_mode);
8566 tg3_setup_phy(tp, 0);
8568 } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
8569 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
8570 tg3_serdes_parallel_detect(tp);
8573 tp->timer_counter = tp->timer_multiplier;
8576 /* Heartbeat is only sent once every 2 seconds.
8578 * The heartbeat is to tell the ASF firmware that the host
8579 * driver is still alive. In the event that the OS crashes,
8580 * ASF needs to reset the hardware to free up the FIFO space
8581 * that may be filled with rx packets destined for the host.
8582 * If the FIFO is full, ASF will no longer function properly.
8584 * Unintended resets have been reported on real time kernels
8585 * where the timer doesn't run on time. Netpoll will also have
8588 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8589 * to check the ring condition when the heartbeat is expiring
8590 * before doing the reset. This will prevent most unintended
8593 if (!--tp->asf_counter) {
8594 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8595 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8596 tg3_wait_for_event_ack(tp);
8598 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8599 FWCMD_NICDRV_ALIVE3);
8600 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8601 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX,
8602 TG3_FW_UPDATE_TIMEOUT_SEC);
8604 tg3_generate_fw_event(tp);
8606 tp->asf_counter = tp->asf_multiplier;
8609 spin_unlock(&tp->lock);
8612 tp->timer.expires = jiffies + tp->timer_offset;
8613 add_timer(&tp->timer);
8616 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8619 unsigned long flags;
8621 struct tg3_napi *tnapi = &tp->napi[irq_num];
8623 if (tp->irq_cnt == 1)
8624 name = tp->dev->name;
8626 name = &tnapi->irq_lbl[0];
8627 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8628 name[IFNAMSIZ-1] = 0;
8631 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8633 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8635 flags = IRQF_SAMPLE_RANDOM;
8638 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8639 fn = tg3_interrupt_tagged;
8640 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8643 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8646 static int tg3_test_interrupt(struct tg3 *tp)
8648 struct tg3_napi *tnapi = &tp->napi[0];
8649 struct net_device *dev = tp->dev;
8650 int err, i, intr_ok = 0;
8653 if (!netif_running(dev))
8656 tg3_disable_ints(tp);
8658 free_irq(tnapi->irq_vec, tnapi);
8661 * Turn off MSI one shot mode. Otherwise this test has no
8662 * observable way to know whether the interrupt was delivered.
8664 if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
8665 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8666 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8667 tw32(MSGINT_MODE, val);
8670 err = request_irq(tnapi->irq_vec, tg3_test_isr,
8671 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8675 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8676 tg3_enable_ints(tp);
8678 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8681 for (i = 0; i < 5; i++) {
8682 u32 int_mbox, misc_host_ctrl;
8684 int_mbox = tr32_mailbox(tnapi->int_mbox);
8685 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8687 if ((int_mbox != 0) ||
8688 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8696 tg3_disable_ints(tp);
8698 free_irq(tnapi->irq_vec, tnapi);
8700 err = tg3_request_irq(tp, 0);
8706 /* Reenable MSI one shot mode. */
8707 if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
8708 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8709 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8710 tw32(MSGINT_MODE, val);
8718 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8719 * successfully restored
8721 static int tg3_test_msi(struct tg3 *tp)
8726 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8729 /* Turn off SERR reporting in case MSI terminates with Master
8732 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8733 pci_write_config_word(tp->pdev, PCI_COMMAND,
8734 pci_cmd & ~PCI_COMMAND_SERR);
8736 err = tg3_test_interrupt(tp);
8738 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8743 /* other failures */
8747 /* MSI test failed, go back to INTx mode */
8748 netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching "
8749 "to INTx mode. Please report this failure to the PCI "
8750 "maintainer and include system chipset information\n");
8752 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8754 pci_disable_msi(tp->pdev);
8756 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8757 tp->napi[0].irq_vec = tp->pdev->irq;
8759 err = tg3_request_irq(tp, 0);
8763 /* Need to reset the chip because the MSI cycle may have terminated
8764 * with Master Abort.
8766 tg3_full_lock(tp, 1);
8768 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8769 err = tg3_init_hw(tp, 1);
8771 tg3_full_unlock(tp);
8774 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8779 static int tg3_request_firmware(struct tg3 *tp)
8781 const __be32 *fw_data;
8783 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8784 netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
8789 fw_data = (void *)tp->fw->data;
8791 /* Firmware blob starts with version numbers, followed by
8792 * start address and _full_ length including BSS sections
8793 * (which must be longer than the actual data, of course
8796 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
8797 if (tp->fw_len < (tp->fw->size - 12)) {
8798 netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
8799 tp->fw_len, tp->fw_needed);
8800 release_firmware(tp->fw);
8805 /* We no longer need firmware; we have it. */
8806 tp->fw_needed = NULL;
8810 static bool tg3_enable_msix(struct tg3 *tp)
8812 int i, rc, cpus = num_online_cpus();
8813 struct msix_entry msix_ent[tp->irq_max];
8816 /* Just fallback to the simpler MSI mode. */
8820 * We want as many rx rings enabled as there are cpus.
8821 * The first MSIX vector only deals with link interrupts, etc,
8822 * so we add one to the number of vectors we are requesting.
8824 tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8826 for (i = 0; i < tp->irq_max; i++) {
8827 msix_ent[i].entry = i;
8828 msix_ent[i].vector = 0;
8831 rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8834 } else if (rc != 0) {
8835 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8837 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
8842 for (i = 0; i < tp->irq_max; i++)
8843 tp->napi[i].irq_vec = msix_ent[i].vector;
8845 tp->dev->real_num_tx_queues = 1;
8846 if (tp->irq_cnt > 1)
8847 tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8852 static void tg3_ints_init(struct tg3 *tp)
8854 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8855 !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8856 /* All MSI supporting chips should support tagged
8857 * status. Assert that this is the case.
8859 netdev_warn(tp->dev,
8860 "MSI without TAGGED_STATUS? Not using MSI\n");
8864 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8865 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8866 else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8867 pci_enable_msi(tp->pdev) == 0)
8868 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8870 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8871 u32 msi_mode = tr32(MSGINT_MODE);
8872 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8873 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8874 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8877 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8879 tp->napi[0].irq_vec = tp->pdev->irq;
8880 tp->dev->real_num_tx_queues = 1;
8884 static void tg3_ints_fini(struct tg3 *tp)
8886 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8887 pci_disable_msix(tp->pdev);
8888 else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8889 pci_disable_msi(tp->pdev);
8890 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8891 tp->tg3_flags3 &= ~(TG3_FLG3_ENABLE_RSS | TG3_FLG3_ENABLE_TSS);
8894 static int tg3_open(struct net_device *dev)
8896 struct tg3 *tp = netdev_priv(dev);
8899 if (tp->fw_needed) {
8900 err = tg3_request_firmware(tp);
8901 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8905 netdev_warn(tp->dev, "TSO capability disabled\n");
8906 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8907 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8908 netdev_notice(tp->dev, "TSO capability restored\n");
8909 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8913 netif_carrier_off(tp->dev);
8915 err = tg3_set_power_state(tp, PCI_D0);
8919 tg3_full_lock(tp, 0);
8921 tg3_disable_ints(tp);
8922 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8924 tg3_full_unlock(tp);
8927 * Setup interrupts first so we know how
8928 * many NAPI resources to allocate
8932 /* The placement of this call is tied
8933 * to the setup and use of Host TX descriptors.
8935 err = tg3_alloc_consistent(tp);
8939 tg3_napi_enable(tp);
8941 for (i = 0; i < tp->irq_cnt; i++) {
8942 struct tg3_napi *tnapi = &tp->napi[i];
8943 err = tg3_request_irq(tp, i);
8945 for (i--; i >= 0; i--)
8946 free_irq(tnapi->irq_vec, tnapi);
8954 tg3_full_lock(tp, 0);
8956 err = tg3_init_hw(tp, 1);
8958 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8961 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8962 tp->timer_offset = HZ;
8964 tp->timer_offset = HZ / 10;
8966 BUG_ON(tp->timer_offset > HZ);
8967 tp->timer_counter = tp->timer_multiplier =
8968 (HZ / tp->timer_offset);
8969 tp->asf_counter = tp->asf_multiplier =
8970 ((HZ / tp->timer_offset) * 2);
8972 init_timer(&tp->timer);
8973 tp->timer.expires = jiffies + tp->timer_offset;
8974 tp->timer.data = (unsigned long) tp;
8975 tp->timer.function = tg3_timer;
8978 tg3_full_unlock(tp);
8983 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8984 err = tg3_test_msi(tp);
8987 tg3_full_lock(tp, 0);
8988 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8990 tg3_full_unlock(tp);
8995 if (!(tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
8996 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8997 u32 val = tr32(PCIE_TRANSACTION_CFG);
8999 tw32(PCIE_TRANSACTION_CFG,
9000 val | PCIE_TRANS_CFG_1SHOT_MSI);
9006 tg3_full_lock(tp, 0);
9008 add_timer(&tp->timer);
9009 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9010 tg3_enable_ints(tp);
9012 tg3_full_unlock(tp);
9014 netif_tx_start_all_queues(dev);
9019 for (i = tp->irq_cnt - 1; i >= 0; i--) {
9020 struct tg3_napi *tnapi = &tp->napi[i];
9021 free_irq(tnapi->irq_vec, tnapi);
9025 tg3_napi_disable(tp);
9026 tg3_free_consistent(tp);
9033 static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *,
9034 struct rtnl_link_stats64 *);
9035 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9037 static int tg3_close(struct net_device *dev)
9040 struct tg3 *tp = netdev_priv(dev);
9042 tg3_napi_disable(tp);
9043 cancel_work_sync(&tp->reset_task);
9045 netif_tx_stop_all_queues(dev);
9047 del_timer_sync(&tp->timer);
9051 tg3_full_lock(tp, 1);
9053 tg3_disable_ints(tp);
9055 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9057 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9059 tg3_full_unlock(tp);
9061 for (i = tp->irq_cnt - 1; i >= 0; i--) {
9062 struct tg3_napi *tnapi = &tp->napi[i];
9063 free_irq(tnapi->irq_vec, tnapi);
9068 tg3_get_stats64(tp->dev, &tp->net_stats_prev);
9070 memcpy(&tp->estats_prev, tg3_get_estats(tp),
9071 sizeof(tp->estats_prev));
9073 tg3_free_consistent(tp);
9075 tg3_set_power_state(tp, PCI_D3hot);
9077 netif_carrier_off(tp->dev);
9082 static inline u64 get_stat64(tg3_stat64_t *val)
9084 return ((u64)val->high << 32) | ((u64)val->low);
9087 static u64 calc_crc_errors(struct tg3 *tp)
9089 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9091 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
9092 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9093 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9096 spin_lock_bh(&tp->lock);
9097 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9098 tg3_writephy(tp, MII_TG3_TEST1,
9099 val | MII_TG3_TEST1_CRC_EN);
9100 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val);
9103 spin_unlock_bh(&tp->lock);
9105 tp->phy_crc_errors += val;
9107 return tp->phy_crc_errors;
9110 return get_stat64(&hw_stats->rx_fcs_errors);
9113 #define ESTAT_ADD(member) \
9114 estats->member = old_estats->member + \
9115 get_stat64(&hw_stats->member)
9117 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9119 struct tg3_ethtool_stats *estats = &tp->estats;
9120 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9121 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9126 ESTAT_ADD(rx_octets);
9127 ESTAT_ADD(rx_fragments);
9128 ESTAT_ADD(rx_ucast_packets);
9129 ESTAT_ADD(rx_mcast_packets);
9130 ESTAT_ADD(rx_bcast_packets);
9131 ESTAT_ADD(rx_fcs_errors);
9132 ESTAT_ADD(rx_align_errors);
9133 ESTAT_ADD(rx_xon_pause_rcvd);
9134 ESTAT_ADD(rx_xoff_pause_rcvd);
9135 ESTAT_ADD(rx_mac_ctrl_rcvd);
9136 ESTAT_ADD(rx_xoff_entered);
9137 ESTAT_ADD(rx_frame_too_long_errors);
9138 ESTAT_ADD(rx_jabbers);
9139 ESTAT_ADD(rx_undersize_packets);
9140 ESTAT_ADD(rx_in_length_errors);
9141 ESTAT_ADD(rx_out_length_errors);
9142 ESTAT_ADD(rx_64_or_less_octet_packets);
9143 ESTAT_ADD(rx_65_to_127_octet_packets);
9144 ESTAT_ADD(rx_128_to_255_octet_packets);
9145 ESTAT_ADD(rx_256_to_511_octet_packets);
9146 ESTAT_ADD(rx_512_to_1023_octet_packets);
9147 ESTAT_ADD(rx_1024_to_1522_octet_packets);
9148 ESTAT_ADD(rx_1523_to_2047_octet_packets);
9149 ESTAT_ADD(rx_2048_to_4095_octet_packets);
9150 ESTAT_ADD(rx_4096_to_8191_octet_packets);
9151 ESTAT_ADD(rx_8192_to_9022_octet_packets);
9153 ESTAT_ADD(tx_octets);
9154 ESTAT_ADD(tx_collisions);
9155 ESTAT_ADD(tx_xon_sent);
9156 ESTAT_ADD(tx_xoff_sent);
9157 ESTAT_ADD(tx_flow_control);
9158 ESTAT_ADD(tx_mac_errors);
9159 ESTAT_ADD(tx_single_collisions);
9160 ESTAT_ADD(tx_mult_collisions);
9161 ESTAT_ADD(tx_deferred);
9162 ESTAT_ADD(tx_excessive_collisions);
9163 ESTAT_ADD(tx_late_collisions);
9164 ESTAT_ADD(tx_collide_2times);
9165 ESTAT_ADD(tx_collide_3times);
9166 ESTAT_ADD(tx_collide_4times);
9167 ESTAT_ADD(tx_collide_5times);
9168 ESTAT_ADD(tx_collide_6times);
9169 ESTAT_ADD(tx_collide_7times);
9170 ESTAT_ADD(tx_collide_8times);
9171 ESTAT_ADD(tx_collide_9times);
9172 ESTAT_ADD(tx_collide_10times);
9173 ESTAT_ADD(tx_collide_11times);
9174 ESTAT_ADD(tx_collide_12times);
9175 ESTAT_ADD(tx_collide_13times);
9176 ESTAT_ADD(tx_collide_14times);
9177 ESTAT_ADD(tx_collide_15times);
9178 ESTAT_ADD(tx_ucast_packets);
9179 ESTAT_ADD(tx_mcast_packets);
9180 ESTAT_ADD(tx_bcast_packets);
9181 ESTAT_ADD(tx_carrier_sense_errors);
9182 ESTAT_ADD(tx_discards);
9183 ESTAT_ADD(tx_errors);
9185 ESTAT_ADD(dma_writeq_full);
9186 ESTAT_ADD(dma_write_prioq_full);
9187 ESTAT_ADD(rxbds_empty);
9188 ESTAT_ADD(rx_discards);
9189 ESTAT_ADD(rx_errors);
9190 ESTAT_ADD(rx_threshold_hit);
9192 ESTAT_ADD(dma_readq_full);
9193 ESTAT_ADD(dma_read_prioq_full);
9194 ESTAT_ADD(tx_comp_queue_full);
9196 ESTAT_ADD(ring_set_send_prod_index);
9197 ESTAT_ADD(ring_status_update);
9198 ESTAT_ADD(nic_irqs);
9199 ESTAT_ADD(nic_avoided_irqs);
9200 ESTAT_ADD(nic_tx_threshold_hit);
9205 static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
9206 struct rtnl_link_stats64 *stats)
9208 struct tg3 *tp = netdev_priv(dev);
9209 struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
9210 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9215 stats->rx_packets = old_stats->rx_packets +
9216 get_stat64(&hw_stats->rx_ucast_packets) +
9217 get_stat64(&hw_stats->rx_mcast_packets) +
9218 get_stat64(&hw_stats->rx_bcast_packets);
9220 stats->tx_packets = old_stats->tx_packets +
9221 get_stat64(&hw_stats->tx_ucast_packets) +
9222 get_stat64(&hw_stats->tx_mcast_packets) +
9223 get_stat64(&hw_stats->tx_bcast_packets);
9225 stats->rx_bytes = old_stats->rx_bytes +
9226 get_stat64(&hw_stats->rx_octets);
9227 stats->tx_bytes = old_stats->tx_bytes +
9228 get_stat64(&hw_stats->tx_octets);
9230 stats->rx_errors = old_stats->rx_errors +
9231 get_stat64(&hw_stats->rx_errors);
9232 stats->tx_errors = old_stats->tx_errors +
9233 get_stat64(&hw_stats->tx_errors) +
9234 get_stat64(&hw_stats->tx_mac_errors) +
9235 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9236 get_stat64(&hw_stats->tx_discards);
9238 stats->multicast = old_stats->multicast +
9239 get_stat64(&hw_stats->rx_mcast_packets);
9240 stats->collisions = old_stats->collisions +
9241 get_stat64(&hw_stats->tx_collisions);
9243 stats->rx_length_errors = old_stats->rx_length_errors +
9244 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9245 get_stat64(&hw_stats->rx_undersize_packets);
9247 stats->rx_over_errors = old_stats->rx_over_errors +
9248 get_stat64(&hw_stats->rxbds_empty);
9249 stats->rx_frame_errors = old_stats->rx_frame_errors +
9250 get_stat64(&hw_stats->rx_align_errors);
9251 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9252 get_stat64(&hw_stats->tx_discards);
9253 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9254 get_stat64(&hw_stats->tx_carrier_sense_errors);
9256 stats->rx_crc_errors = old_stats->rx_crc_errors +
9257 calc_crc_errors(tp);
9259 stats->rx_missed_errors = old_stats->rx_missed_errors +
9260 get_stat64(&hw_stats->rx_discards);
9265 static inline u32 calc_crc(unsigned char *buf, int len)
9273 for (j = 0; j < len; j++) {
9276 for (k = 0; k < 8; k++) {
9289 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9291 /* accept or reject all multicast frames */
9292 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9293 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9294 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9295 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9298 static void __tg3_set_rx_mode(struct net_device *dev)
9300 struct tg3 *tp = netdev_priv(dev);
9303 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9304 RX_MODE_KEEP_VLAN_TAG);
9306 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9309 #if TG3_VLAN_TAG_USED
9311 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9312 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9314 /* By definition, VLAN is disabled always in this
9317 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9318 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9321 if (dev->flags & IFF_PROMISC) {
9322 /* Promiscuous mode. */
9323 rx_mode |= RX_MODE_PROMISC;
9324 } else if (dev->flags & IFF_ALLMULTI) {
9325 /* Accept all multicast. */
9326 tg3_set_multi(tp, 1);
9327 } else if (netdev_mc_empty(dev)) {
9328 /* Reject all multicast. */
9329 tg3_set_multi(tp, 0);
9331 /* Accept one or more multicast(s). */
9332 struct netdev_hw_addr *ha;
9333 u32 mc_filter[4] = { 0, };
9338 netdev_for_each_mc_addr(ha, dev) {
9339 crc = calc_crc(ha->addr, ETH_ALEN);
9341 regidx = (bit & 0x60) >> 5;
9343 mc_filter[regidx] |= (1 << bit);
9346 tw32(MAC_HASH_REG_0, mc_filter[0]);
9347 tw32(MAC_HASH_REG_1, mc_filter[1]);
9348 tw32(MAC_HASH_REG_2, mc_filter[2]);
9349 tw32(MAC_HASH_REG_3, mc_filter[3]);
9352 if (rx_mode != tp->rx_mode) {
9353 tp->rx_mode = rx_mode;
9354 tw32_f(MAC_RX_MODE, rx_mode);
9359 static void tg3_set_rx_mode(struct net_device *dev)
9361 struct tg3 *tp = netdev_priv(dev);
9363 if (!netif_running(dev))
9366 tg3_full_lock(tp, 0);
9367 __tg3_set_rx_mode(dev);
9368 tg3_full_unlock(tp);
9371 #define TG3_REGDUMP_LEN (32 * 1024)
9373 static int tg3_get_regs_len(struct net_device *dev)
9375 return TG3_REGDUMP_LEN;
9378 static void tg3_get_regs(struct net_device *dev,
9379 struct ethtool_regs *regs, void *_p)
9382 struct tg3 *tp = netdev_priv(dev);
9388 memset(p, 0, TG3_REGDUMP_LEN);
9390 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9393 tg3_full_lock(tp, 0);
9395 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
9396 #define GET_REG32_LOOP(base, len) \
9397 do { p = (u32 *)(orig_p + (base)); \
9398 for (i = 0; i < len; i += 4) \
9399 __GET_REG32((base) + i); \
9401 #define GET_REG32_1(reg) \
9402 do { p = (u32 *)(orig_p + (reg)); \
9403 __GET_REG32((reg)); \
9406 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9407 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9408 GET_REG32_LOOP(MAC_MODE, 0x4f0);
9409 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9410 GET_REG32_1(SNDDATAC_MODE);
9411 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9412 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9413 GET_REG32_1(SNDBDC_MODE);
9414 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9415 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9416 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9417 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9418 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9419 GET_REG32_1(RCVDCC_MODE);
9420 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9421 GET_REG32_LOOP(RCVCC_MODE, 0x14);
9422 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9423 GET_REG32_1(MBFREE_MODE);
9424 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9425 GET_REG32_LOOP(MEMARB_MODE, 0x10);
9426 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9427 GET_REG32_LOOP(RDMAC_MODE, 0x08);
9428 GET_REG32_LOOP(WDMAC_MODE, 0x08);
9429 GET_REG32_1(RX_CPU_MODE);
9430 GET_REG32_1(RX_CPU_STATE);
9431 GET_REG32_1(RX_CPU_PGMCTR);
9432 GET_REG32_1(RX_CPU_HWBKPT);
9433 GET_REG32_1(TX_CPU_MODE);
9434 GET_REG32_1(TX_CPU_STATE);
9435 GET_REG32_1(TX_CPU_PGMCTR);
9436 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9437 GET_REG32_LOOP(FTQ_RESET, 0x120);
9438 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9439 GET_REG32_1(DMAC_MODE);
9440 GET_REG32_LOOP(GRC_MODE, 0x4c);
9441 if (tp->tg3_flags & TG3_FLAG_NVRAM)
9442 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9445 #undef GET_REG32_LOOP
9448 tg3_full_unlock(tp);
9451 static int tg3_get_eeprom_len(struct net_device *dev)
9453 struct tg3 *tp = netdev_priv(dev);
9455 return tp->nvram_size;
9458 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9460 struct tg3 *tp = netdev_priv(dev);
9463 u32 i, offset, len, b_offset, b_count;
9466 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9469 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9472 offset = eeprom->offset;
9476 eeprom->magic = TG3_EEPROM_MAGIC;
9479 /* adjustments to start on required 4 byte boundary */
9480 b_offset = offset & 3;
9481 b_count = 4 - b_offset;
9482 if (b_count > len) {
9483 /* i.e. offset=1 len=2 */
9486 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9489 memcpy(data, ((char *)&val) + b_offset, b_count);
9492 eeprom->len += b_count;
9495 /* read bytes upto the last 4 byte boundary */
9496 pd = &data[eeprom->len];
9497 for (i = 0; i < (len - (len & 3)); i += 4) {
9498 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9503 memcpy(pd + i, &val, 4);
9508 /* read last bytes not ending on 4 byte boundary */
9509 pd = &data[eeprom->len];
9511 b_offset = offset + len - b_count;
9512 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9515 memcpy(pd, &val, b_count);
9516 eeprom->len += b_count;
9521 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9523 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9525 struct tg3 *tp = netdev_priv(dev);
9527 u32 offset, len, b_offset, odd_len;
9531 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9534 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9535 eeprom->magic != TG3_EEPROM_MAGIC)
9538 offset = eeprom->offset;
9541 if ((b_offset = (offset & 3))) {
9542 /* adjustments to start on required 4 byte boundary */
9543 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9554 /* adjustments to end on required 4 byte boundary */
9556 len = (len + 3) & ~3;
9557 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9563 if (b_offset || odd_len) {
9564 buf = kmalloc(len, GFP_KERNEL);
9568 memcpy(buf, &start, 4);
9570 memcpy(buf+len-4, &end, 4);
9571 memcpy(buf + b_offset, data, eeprom->len);
9574 ret = tg3_nvram_write_block(tp, offset, len, buf);
9582 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9584 struct tg3 *tp = netdev_priv(dev);
9586 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9587 struct phy_device *phydev;
9588 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
9590 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9591 return phy_ethtool_gset(phydev, cmd);
9594 cmd->supported = (SUPPORTED_Autoneg);
9596 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
9597 cmd->supported |= (SUPPORTED_1000baseT_Half |
9598 SUPPORTED_1000baseT_Full);
9600 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
9601 cmd->supported |= (SUPPORTED_100baseT_Half |
9602 SUPPORTED_100baseT_Full |
9603 SUPPORTED_10baseT_Half |
9604 SUPPORTED_10baseT_Full |
9606 cmd->port = PORT_TP;
9608 cmd->supported |= SUPPORTED_FIBRE;
9609 cmd->port = PORT_FIBRE;
9612 cmd->advertising = tp->link_config.advertising;
9613 if (netif_running(dev)) {
9614 cmd->speed = tp->link_config.active_speed;
9615 cmd->duplex = tp->link_config.active_duplex;
9617 cmd->phy_address = tp->phy_addr;
9618 cmd->transceiver = XCVR_INTERNAL;
9619 cmd->autoneg = tp->link_config.autoneg;
9625 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9627 struct tg3 *tp = netdev_priv(dev);
9629 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9630 struct phy_device *phydev;
9631 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
9633 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9634 return phy_ethtool_sset(phydev, cmd);
9637 if (cmd->autoneg != AUTONEG_ENABLE &&
9638 cmd->autoneg != AUTONEG_DISABLE)
9641 if (cmd->autoneg == AUTONEG_DISABLE &&
9642 cmd->duplex != DUPLEX_FULL &&
9643 cmd->duplex != DUPLEX_HALF)
9646 if (cmd->autoneg == AUTONEG_ENABLE) {
9647 u32 mask = ADVERTISED_Autoneg |
9649 ADVERTISED_Asym_Pause;
9651 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
9652 mask |= ADVERTISED_1000baseT_Half |
9653 ADVERTISED_1000baseT_Full;
9655 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
9656 mask |= ADVERTISED_100baseT_Half |
9657 ADVERTISED_100baseT_Full |
9658 ADVERTISED_10baseT_Half |
9659 ADVERTISED_10baseT_Full |
9662 mask |= ADVERTISED_FIBRE;
9664 if (cmd->advertising & ~mask)
9667 mask &= (ADVERTISED_1000baseT_Half |
9668 ADVERTISED_1000baseT_Full |
9669 ADVERTISED_100baseT_Half |
9670 ADVERTISED_100baseT_Full |
9671 ADVERTISED_10baseT_Half |
9672 ADVERTISED_10baseT_Full);
9674 cmd->advertising &= mask;
9676 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) {
9677 if (cmd->speed != SPEED_1000)
9680 if (cmd->duplex != DUPLEX_FULL)
9683 if (cmd->speed != SPEED_100 &&
9684 cmd->speed != SPEED_10)
9689 tg3_full_lock(tp, 0);
9691 tp->link_config.autoneg = cmd->autoneg;
9692 if (cmd->autoneg == AUTONEG_ENABLE) {
9693 tp->link_config.advertising = (cmd->advertising |
9694 ADVERTISED_Autoneg);
9695 tp->link_config.speed = SPEED_INVALID;
9696 tp->link_config.duplex = DUPLEX_INVALID;
9698 tp->link_config.advertising = 0;
9699 tp->link_config.speed = cmd->speed;
9700 tp->link_config.duplex = cmd->duplex;
9703 tp->link_config.orig_speed = tp->link_config.speed;
9704 tp->link_config.orig_duplex = tp->link_config.duplex;
9705 tp->link_config.orig_autoneg = tp->link_config.autoneg;
9707 if (netif_running(dev))
9708 tg3_setup_phy(tp, 1);
9710 tg3_full_unlock(tp);
9715 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9717 struct tg3 *tp = netdev_priv(dev);
9719 strcpy(info->driver, DRV_MODULE_NAME);
9720 strcpy(info->version, DRV_MODULE_VERSION);
9721 strcpy(info->fw_version, tp->fw_ver);
9722 strcpy(info->bus_info, pci_name(tp->pdev));
9725 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9727 struct tg3 *tp = netdev_priv(dev);
9729 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9730 device_can_wakeup(&tp->pdev->dev))
9731 wol->supported = WAKE_MAGIC;
9735 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9736 device_can_wakeup(&tp->pdev->dev))
9737 wol->wolopts = WAKE_MAGIC;
9738 memset(&wol->sopass, 0, sizeof(wol->sopass));
9741 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9743 struct tg3 *tp = netdev_priv(dev);
9744 struct device *dp = &tp->pdev->dev;
9746 if (wol->wolopts & ~WAKE_MAGIC)
9748 if ((wol->wolopts & WAKE_MAGIC) &&
9749 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9752 spin_lock_bh(&tp->lock);
9753 if (wol->wolopts & WAKE_MAGIC) {
9754 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9755 device_set_wakeup_enable(dp, true);
9757 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9758 device_set_wakeup_enable(dp, false);
9760 spin_unlock_bh(&tp->lock);
9765 static u32 tg3_get_msglevel(struct net_device *dev)
9767 struct tg3 *tp = netdev_priv(dev);
9768 return tp->msg_enable;
9771 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9773 struct tg3 *tp = netdev_priv(dev);
9774 tp->msg_enable = value;
9777 static int tg3_set_tso(struct net_device *dev, u32 value)
9779 struct tg3 *tp = netdev_priv(dev);
9781 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9786 if ((dev->features & NETIF_F_IPV6_CSUM) &&
9787 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9788 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9790 dev->features |= NETIF_F_TSO6;
9791 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9792 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9793 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9794 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9795 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9796 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9797 dev->features |= NETIF_F_TSO_ECN;
9799 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9801 return ethtool_op_set_tso(dev, value);
9804 static int tg3_nway_reset(struct net_device *dev)
9806 struct tg3 *tp = netdev_priv(dev);
9809 if (!netif_running(dev))
9812 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
9815 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9816 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
9818 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9822 spin_lock_bh(&tp->lock);
9824 tg3_readphy(tp, MII_BMCR, &bmcr);
9825 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9826 ((bmcr & BMCR_ANENABLE) ||
9827 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT))) {
9828 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9832 spin_unlock_bh(&tp->lock);
9838 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9840 struct tg3 *tp = netdev_priv(dev);
9842 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9843 ering->rx_mini_max_pending = 0;
9844 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9845 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9847 ering->rx_jumbo_max_pending = 0;
9849 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
9851 ering->rx_pending = tp->rx_pending;
9852 ering->rx_mini_pending = 0;
9853 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9854 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9856 ering->rx_jumbo_pending = 0;
9858 ering->tx_pending = tp->napi[0].tx_pending;
9861 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9863 struct tg3 *tp = netdev_priv(dev);
9864 int i, irq_sync = 0, err = 0;
9866 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9867 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
9868 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9869 (ering->tx_pending <= MAX_SKB_FRAGS) ||
9870 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
9871 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
9874 if (netif_running(dev)) {
9880 tg3_full_lock(tp, irq_sync);
9882 tp->rx_pending = ering->rx_pending;
9884 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9885 tp->rx_pending > 63)
9886 tp->rx_pending = 63;
9887 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
9889 for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9890 tp->napi[i].tx_pending = ering->tx_pending;
9892 if (netif_running(dev)) {
9893 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9894 err = tg3_restart_hw(tp, 1);
9896 tg3_netif_start(tp);
9899 tg3_full_unlock(tp);
9901 if (irq_sync && !err)
9907 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9909 struct tg3 *tp = netdev_priv(dev);
9911 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
9913 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
9914 epause->rx_pause = 1;
9916 epause->rx_pause = 0;
9918 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
9919 epause->tx_pause = 1;
9921 epause->tx_pause = 0;
9924 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9926 struct tg3 *tp = netdev_priv(dev);
9929 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9931 struct phy_device *phydev;
9933 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9935 if (!(phydev->supported & SUPPORTED_Pause) ||
9936 (!(phydev->supported & SUPPORTED_Asym_Pause) &&
9937 ((epause->rx_pause && !epause->tx_pause) ||
9938 (!epause->rx_pause && epause->tx_pause))))
9941 tp->link_config.flowctrl = 0;
9942 if (epause->rx_pause) {
9943 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9945 if (epause->tx_pause) {
9946 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9947 newadv = ADVERTISED_Pause;
9949 newadv = ADVERTISED_Pause |
9950 ADVERTISED_Asym_Pause;
9951 } else if (epause->tx_pause) {
9952 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9953 newadv = ADVERTISED_Asym_Pause;
9957 if (epause->autoneg)
9958 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9960 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9962 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
9963 u32 oldadv = phydev->advertising &
9964 (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
9965 if (oldadv != newadv) {
9966 phydev->advertising &=
9967 ~(ADVERTISED_Pause |
9968 ADVERTISED_Asym_Pause);
9969 phydev->advertising |= newadv;
9970 if (phydev->autoneg) {
9972 * Always renegotiate the link to
9973 * inform our link partner of our
9974 * flow control settings, even if the
9975 * flow control is forced. Let
9976 * tg3_adjust_link() do the final
9977 * flow control setup.
9979 return phy_start_aneg(phydev);
9983 if (!epause->autoneg)
9984 tg3_setup_flow_control(tp, 0, 0);
9986 tp->link_config.orig_advertising &=
9987 ~(ADVERTISED_Pause |
9988 ADVERTISED_Asym_Pause);
9989 tp->link_config.orig_advertising |= newadv;
9994 if (netif_running(dev)) {
9999 tg3_full_lock(tp, irq_sync);
10001 if (epause->autoneg)
10002 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10004 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10005 if (epause->rx_pause)
10006 tp->link_config.flowctrl |= FLOW_CTRL_RX;
10008 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10009 if (epause->tx_pause)
10010 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10012 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10014 if (netif_running(dev)) {
10015 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10016 err = tg3_restart_hw(tp, 1);
10018 tg3_netif_start(tp);
10021 tg3_full_unlock(tp);
10027 static u32 tg3_get_rx_csum(struct net_device *dev)
10029 struct tg3 *tp = netdev_priv(dev);
10030 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10033 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10035 struct tg3 *tp = netdev_priv(dev);
10037 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10043 spin_lock_bh(&tp->lock);
10045 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10047 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10048 spin_unlock_bh(&tp->lock);
10053 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10055 struct tg3 *tp = netdev_priv(dev);
10057 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10063 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10064 ethtool_op_set_tx_ipv6_csum(dev, data);
10066 ethtool_op_set_tx_csum(dev, data);
10071 static int tg3_get_sset_count(struct net_device *dev, int sset)
10075 return TG3_NUM_TEST;
10077 return TG3_NUM_STATS;
10079 return -EOPNOTSUPP;
10083 static void tg3_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
10085 switch (stringset) {
10087 memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
10090 memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys));
10093 WARN_ON(1); /* we need a WARN() */
10098 static int tg3_phys_id(struct net_device *dev, u32 data)
10100 struct tg3 *tp = netdev_priv(dev);
10103 if (!netif_running(tp->dev))
10107 data = UINT_MAX / 2;
10109 for (i = 0; i < (data * 2); i++) {
10111 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10112 LED_CTRL_1000MBPS_ON |
10113 LED_CTRL_100MBPS_ON |
10114 LED_CTRL_10MBPS_ON |
10115 LED_CTRL_TRAFFIC_OVERRIDE |
10116 LED_CTRL_TRAFFIC_BLINK |
10117 LED_CTRL_TRAFFIC_LED);
10120 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10121 LED_CTRL_TRAFFIC_OVERRIDE);
10123 if (msleep_interruptible(500))
10126 tw32(MAC_LED_CTRL, tp->led_ctrl);
10130 static void tg3_get_ethtool_stats(struct net_device *dev,
10131 struct ethtool_stats *estats, u64 *tmp_stats)
10133 struct tg3 *tp = netdev_priv(dev);
10134 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10137 #define NVRAM_TEST_SIZE 0x100
10138 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
10139 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
10140 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
10141 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10142 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10144 static int tg3_test_nvram(struct tg3 *tp)
10148 int i, j, k, err = 0, size;
10150 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10153 if (tg3_nvram_read(tp, 0, &magic) != 0)
10156 if (magic == TG3_EEPROM_MAGIC)
10157 size = NVRAM_TEST_SIZE;
10158 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10159 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10160 TG3_EEPROM_SB_FORMAT_1) {
10161 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10162 case TG3_EEPROM_SB_REVISION_0:
10163 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10165 case TG3_EEPROM_SB_REVISION_2:
10166 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10168 case TG3_EEPROM_SB_REVISION_3:
10169 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10176 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10177 size = NVRAM_SELFBOOT_HW_SIZE;
10181 buf = kmalloc(size, GFP_KERNEL);
10186 for (i = 0, j = 0; i < size; i += 4, j++) {
10187 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10194 /* Selfboot format */
10195 magic = be32_to_cpu(buf[0]);
10196 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10197 TG3_EEPROM_MAGIC_FW) {
10198 u8 *buf8 = (u8 *) buf, csum8 = 0;
10200 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10201 TG3_EEPROM_SB_REVISION_2) {
10202 /* For rev 2, the csum doesn't include the MBA. */
10203 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10205 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10208 for (i = 0; i < size; i++)
10221 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10222 TG3_EEPROM_MAGIC_HW) {
10223 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10224 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10225 u8 *buf8 = (u8 *) buf;
10227 /* Separate the parity bits and the data bytes. */
10228 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10229 if ((i == 0) || (i == 8)) {
10233 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10234 parity[k++] = buf8[i] & msk;
10236 } else if (i == 16) {
10240 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10241 parity[k++] = buf8[i] & msk;
10244 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10245 parity[k++] = buf8[i] & msk;
10248 data[j++] = buf8[i];
10252 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10253 u8 hw8 = hweight8(data[i]);
10255 if ((hw8 & 0x1) && parity[i])
10257 else if (!(hw8 & 0x1) && !parity[i])
10264 /* Bootstrap checksum at offset 0x10 */
10265 csum = calc_crc((unsigned char *) buf, 0x10);
10266 if (csum != be32_to_cpu(buf[0x10/4]))
10269 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10270 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10271 if (csum != be32_to_cpu(buf[0xfc/4]))
10281 #define TG3_SERDES_TIMEOUT_SEC 2
10282 #define TG3_COPPER_TIMEOUT_SEC 6
10284 static int tg3_test_link(struct tg3 *tp)
10288 if (!netif_running(tp->dev))
10291 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
10292 max = TG3_SERDES_TIMEOUT_SEC;
10294 max = TG3_COPPER_TIMEOUT_SEC;
10296 for (i = 0; i < max; i++) {
10297 if (netif_carrier_ok(tp->dev))
10300 if (msleep_interruptible(1000))
10307 /* Only test the commonly used registers */
10308 static int tg3_test_registers(struct tg3 *tp)
10310 int i, is_5705, is_5750;
10311 u32 offset, read_mask, write_mask, val, save_val, read_val;
10315 #define TG3_FL_5705 0x1
10316 #define TG3_FL_NOT_5705 0x2
10317 #define TG3_FL_NOT_5788 0x4
10318 #define TG3_FL_NOT_5750 0x8
10322 /* MAC Control Registers */
10323 { MAC_MODE, TG3_FL_NOT_5705,
10324 0x00000000, 0x00ef6f8c },
10325 { MAC_MODE, TG3_FL_5705,
10326 0x00000000, 0x01ef6b8c },
10327 { MAC_STATUS, TG3_FL_NOT_5705,
10328 0x03800107, 0x00000000 },
10329 { MAC_STATUS, TG3_FL_5705,
10330 0x03800100, 0x00000000 },
10331 { MAC_ADDR_0_HIGH, 0x0000,
10332 0x00000000, 0x0000ffff },
10333 { MAC_ADDR_0_LOW, 0x0000,
10334 0x00000000, 0xffffffff },
10335 { MAC_RX_MTU_SIZE, 0x0000,
10336 0x00000000, 0x0000ffff },
10337 { MAC_TX_MODE, 0x0000,
10338 0x00000000, 0x00000070 },
10339 { MAC_TX_LENGTHS, 0x0000,
10340 0x00000000, 0x00003fff },
10341 { MAC_RX_MODE, TG3_FL_NOT_5705,
10342 0x00000000, 0x000007fc },
10343 { MAC_RX_MODE, TG3_FL_5705,
10344 0x00000000, 0x000007dc },
10345 { MAC_HASH_REG_0, 0x0000,
10346 0x00000000, 0xffffffff },
10347 { MAC_HASH_REG_1, 0x0000,
10348 0x00000000, 0xffffffff },
10349 { MAC_HASH_REG_2, 0x0000,
10350 0x00000000, 0xffffffff },
10351 { MAC_HASH_REG_3, 0x0000,
10352 0x00000000, 0xffffffff },
10354 /* Receive Data and Receive BD Initiator Control Registers. */
10355 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10356 0x00000000, 0xffffffff },
10357 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10358 0x00000000, 0xffffffff },
10359 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10360 0x00000000, 0x00000003 },
10361 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10362 0x00000000, 0xffffffff },
10363 { RCVDBDI_STD_BD+0, 0x0000,
10364 0x00000000, 0xffffffff },
10365 { RCVDBDI_STD_BD+4, 0x0000,
10366 0x00000000, 0xffffffff },
10367 { RCVDBDI_STD_BD+8, 0x0000,
10368 0x00000000, 0xffff0002 },
10369 { RCVDBDI_STD_BD+0xc, 0x0000,
10370 0x00000000, 0xffffffff },
10372 /* Receive BD Initiator Control Registers. */
10373 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10374 0x00000000, 0xffffffff },
10375 { RCVBDI_STD_THRESH, TG3_FL_5705,
10376 0x00000000, 0x000003ff },
10377 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10378 0x00000000, 0xffffffff },
10380 /* Host Coalescing Control Registers. */
10381 { HOSTCC_MODE, TG3_FL_NOT_5705,
10382 0x00000000, 0x00000004 },
10383 { HOSTCC_MODE, TG3_FL_5705,
10384 0x00000000, 0x000000f6 },
10385 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10386 0x00000000, 0xffffffff },
10387 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10388 0x00000000, 0x000003ff },
10389 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10390 0x00000000, 0xffffffff },
10391 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10392 0x00000000, 0x000003ff },
10393 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10394 0x00000000, 0xffffffff },
10395 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10396 0x00000000, 0x000000ff },
10397 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10398 0x00000000, 0xffffffff },
10399 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10400 0x00000000, 0x000000ff },
10401 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10402 0x00000000, 0xffffffff },
10403 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10404 0x00000000, 0xffffffff },
10405 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10406 0x00000000, 0xffffffff },
10407 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10408 0x00000000, 0x000000ff },
10409 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10410 0x00000000, 0xffffffff },
10411 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10412 0x00000000, 0x000000ff },
10413 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10414 0x00000000, 0xffffffff },
10415 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10416 0x00000000, 0xffffffff },
10417 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10418 0x00000000, 0xffffffff },
10419 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10420 0x00000000, 0xffffffff },
10421 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10422 0x00000000, 0xffffffff },
10423 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10424 0xffffffff, 0x00000000 },
10425 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10426 0xffffffff, 0x00000000 },
10428 /* Buffer Manager Control Registers. */
10429 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10430 0x00000000, 0x007fff80 },
10431 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10432 0x00000000, 0x007fffff },
10433 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10434 0x00000000, 0x0000003f },
10435 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10436 0x00000000, 0x000001ff },
10437 { BUFMGR_MB_HIGH_WATER, 0x0000,
10438 0x00000000, 0x000001ff },
10439 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10440 0xffffffff, 0x00000000 },
10441 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10442 0xffffffff, 0x00000000 },
10444 /* Mailbox Registers */
10445 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10446 0x00000000, 0x000001ff },
10447 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10448 0x00000000, 0x000001ff },
10449 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10450 0x00000000, 0x000007ff },
10451 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10452 0x00000000, 0x000001ff },
10454 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10457 is_5705 = is_5750 = 0;
10458 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10460 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10464 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10465 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10468 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10471 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10472 (reg_tbl[i].flags & TG3_FL_NOT_5788))
10475 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10478 offset = (u32) reg_tbl[i].offset;
10479 read_mask = reg_tbl[i].read_mask;
10480 write_mask = reg_tbl[i].write_mask;
10482 /* Save the original register content */
10483 save_val = tr32(offset);
10485 /* Determine the read-only value. */
10486 read_val = save_val & read_mask;
10488 /* Write zero to the register, then make sure the read-only bits
10489 * are not changed and the read/write bits are all zeros.
10493 val = tr32(offset);
10495 /* Test the read-only and read/write bits. */
10496 if (((val & read_mask) != read_val) || (val & write_mask))
10499 /* Write ones to all the bits defined by RdMask and WrMask, then
10500 * make sure the read-only bits are not changed and the
10501 * read/write bits are all ones.
10503 tw32(offset, read_mask | write_mask);
10505 val = tr32(offset);
10507 /* Test the read-only bits. */
10508 if ((val & read_mask) != read_val)
10511 /* Test the read/write bits. */
10512 if ((val & write_mask) != write_mask)
10515 tw32(offset, save_val);
10521 if (netif_msg_hw(tp))
10522 netdev_err(tp->dev,
10523 "Register test failed at offset %x\n", offset);
10524 tw32(offset, save_val);
10528 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10530 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10534 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10535 for (j = 0; j < len; j += 4) {
10538 tg3_write_mem(tp, offset + j, test_pattern[i]);
10539 tg3_read_mem(tp, offset + j, &val);
10540 if (val != test_pattern[i])
10547 static int tg3_test_memory(struct tg3 *tp)
10549 static struct mem_entry {
10552 } mem_tbl_570x[] = {
10553 { 0x00000000, 0x00b50},
10554 { 0x00002000, 0x1c000},
10555 { 0xffffffff, 0x00000}
10556 }, mem_tbl_5705[] = {
10557 { 0x00000100, 0x0000c},
10558 { 0x00000200, 0x00008},
10559 { 0x00004000, 0x00800},
10560 { 0x00006000, 0x01000},
10561 { 0x00008000, 0x02000},
10562 { 0x00010000, 0x0e000},
10563 { 0xffffffff, 0x00000}
10564 }, mem_tbl_5755[] = {
10565 { 0x00000200, 0x00008},
10566 { 0x00004000, 0x00800},
10567 { 0x00006000, 0x00800},
10568 { 0x00008000, 0x02000},
10569 { 0x00010000, 0x0c000},
10570 { 0xffffffff, 0x00000}
10571 }, mem_tbl_5906[] = {
10572 { 0x00000200, 0x00008},
10573 { 0x00004000, 0x00400},
10574 { 0x00006000, 0x00400},
10575 { 0x00008000, 0x01000},
10576 { 0x00010000, 0x01000},
10577 { 0xffffffff, 0x00000}
10578 }, mem_tbl_5717[] = {
10579 { 0x00000200, 0x00008},
10580 { 0x00010000, 0x0a000},
10581 { 0x00020000, 0x13c00},
10582 { 0xffffffff, 0x00000}
10583 }, mem_tbl_57765[] = {
10584 { 0x00000200, 0x00008},
10585 { 0x00004000, 0x00800},
10586 { 0x00006000, 0x09800},
10587 { 0x00010000, 0x0a000},
10588 { 0xffffffff, 0x00000}
10590 struct mem_entry *mem_tbl;
10594 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
10595 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
10596 mem_tbl = mem_tbl_5717;
10597 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10598 mem_tbl = mem_tbl_57765;
10599 else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10600 mem_tbl = mem_tbl_5755;
10601 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10602 mem_tbl = mem_tbl_5906;
10603 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10604 mem_tbl = mem_tbl_5705;
10606 mem_tbl = mem_tbl_570x;
10608 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10609 err = tg3_do_mem_test(tp, mem_tbl[i].offset, mem_tbl[i].len);
10617 #define TG3_MAC_LOOPBACK 0
10618 #define TG3_PHY_LOOPBACK 1
10620 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10622 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10623 u32 desc_idx, coal_now;
10624 struct sk_buff *skb, *rx_skb;
10627 int num_pkts, tx_len, rx_len, i, err;
10628 struct tg3_rx_buffer_desc *desc;
10629 struct tg3_napi *tnapi, *rnapi;
10630 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10632 tnapi = &tp->napi[0];
10633 rnapi = &tp->napi[0];
10634 if (tp->irq_cnt > 1) {
10635 rnapi = &tp->napi[1];
10636 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
10637 tnapi = &tp->napi[1];
10639 coal_now = tnapi->coal_now | rnapi->coal_now;
10641 if (loopback_mode == TG3_MAC_LOOPBACK) {
10642 /* HW errata - mac loopback fails in some cases on 5780.
10643 * Normal traffic and PHY loopback are not affected by
10646 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10649 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10650 MAC_MODE_PORT_INT_LPBACK;
10651 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10652 mac_mode |= MAC_MODE_LINK_POLARITY;
10653 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
10654 mac_mode |= MAC_MODE_PORT_MODE_MII;
10656 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10657 tw32(MAC_MODE, mac_mode);
10658 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10661 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
10662 tg3_phy_fet_toggle_apd(tp, false);
10663 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10665 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10667 tg3_phy_toggle_automdix(tp, 0);
10669 tg3_writephy(tp, MII_BMCR, val);
10672 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10673 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
10674 tg3_writephy(tp, MII_TG3_FET_PTEST,
10675 MII_TG3_FET_PTEST_FRC_TX_LINK |
10676 MII_TG3_FET_PTEST_FRC_TX_LOCK);
10677 /* The write needs to be flushed for the AC131 */
10678 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10679 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
10680 mac_mode |= MAC_MODE_PORT_MODE_MII;
10682 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10684 /* reset to prevent losing 1st rx packet intermittently */
10685 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
10686 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10688 tw32_f(MAC_RX_MODE, tp->rx_mode);
10690 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10691 u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
10692 if (masked_phy_id == TG3_PHY_ID_BCM5401)
10693 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10694 else if (masked_phy_id == TG3_PHY_ID_BCM5411)
10695 mac_mode |= MAC_MODE_LINK_POLARITY;
10696 tg3_writephy(tp, MII_TG3_EXT_CTRL,
10697 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10699 tw32(MAC_MODE, mac_mode);
10707 skb = netdev_alloc_skb(tp->dev, tx_len);
10711 tx_data = skb_put(skb, tx_len);
10712 memcpy(tx_data, tp->dev->dev_addr, 6);
10713 memset(tx_data + 6, 0x0, 8);
10715 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10717 for (i = 14; i < tx_len; i++)
10718 tx_data[i] = (u8) (i & 0xff);
10720 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10721 if (pci_dma_mapping_error(tp->pdev, map)) {
10722 dev_kfree_skb(skb);
10726 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10731 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10735 tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10740 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10741 tr32_mailbox(tnapi->prodmbox);
10745 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10746 for (i = 0; i < 35; i++) {
10747 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10752 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10753 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10754 if ((tx_idx == tnapi->tx_prod) &&
10755 (rx_idx == (rx_start_idx + num_pkts)))
10759 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10760 dev_kfree_skb(skb);
10762 if (tx_idx != tnapi->tx_prod)
10765 if (rx_idx != rx_start_idx + num_pkts)
10768 desc = &rnapi->rx_rcb[rx_start_idx];
10769 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10770 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10771 if (opaque_key != RXD_OPAQUE_RING_STD)
10774 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10775 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10778 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10779 if (rx_len != tx_len)
10782 rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10784 map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10785 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10787 for (i = 14; i < tx_len; i++) {
10788 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10793 /* tg3_free_rings will unmap and free the rx_skb */
10798 #define TG3_MAC_LOOPBACK_FAILED 1
10799 #define TG3_PHY_LOOPBACK_FAILED 2
10800 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10801 TG3_PHY_LOOPBACK_FAILED)
10803 static int tg3_test_loopback(struct tg3 *tp)
10808 if (!netif_running(tp->dev))
10809 return TG3_LOOPBACK_FAILED;
10811 err = tg3_reset_hw(tp, 1);
10813 return TG3_LOOPBACK_FAILED;
10815 /* Turn off gphy autopowerdown. */
10816 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
10817 tg3_phy_toggle_apd(tp, false);
10819 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10823 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10825 /* Wait for up to 40 microseconds to acquire lock. */
10826 for (i = 0; i < 4; i++) {
10827 status = tr32(TG3_CPMU_MUTEX_GNT);
10828 if (status == CPMU_MUTEX_GNT_DRIVER)
10833 if (status != CPMU_MUTEX_GNT_DRIVER)
10834 return TG3_LOOPBACK_FAILED;
10836 /* Turn off link-based power management. */
10837 cpmuctrl = tr32(TG3_CPMU_CTRL);
10838 tw32(TG3_CPMU_CTRL,
10839 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10840 CPMU_CTRL_LINK_AWARE_MODE));
10843 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10844 err |= TG3_MAC_LOOPBACK_FAILED;
10846 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10847 tw32(TG3_CPMU_CTRL, cpmuctrl);
10849 /* Release the mutex */
10850 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10853 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
10854 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
10855 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10856 err |= TG3_PHY_LOOPBACK_FAILED;
10859 /* Re-enable gphy autopowerdown. */
10860 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
10861 tg3_phy_toggle_apd(tp, true);
10866 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10869 struct tg3 *tp = netdev_priv(dev);
10871 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
10872 tg3_set_power_state(tp, PCI_D0);
10874 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10876 if (tg3_test_nvram(tp) != 0) {
10877 etest->flags |= ETH_TEST_FL_FAILED;
10880 if (tg3_test_link(tp) != 0) {
10881 etest->flags |= ETH_TEST_FL_FAILED;
10884 if (etest->flags & ETH_TEST_FL_OFFLINE) {
10885 int err, err2 = 0, irq_sync = 0;
10887 if (netif_running(dev)) {
10889 tg3_netif_stop(tp);
10893 tg3_full_lock(tp, irq_sync);
10895 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
10896 err = tg3_nvram_lock(tp);
10897 tg3_halt_cpu(tp, RX_CPU_BASE);
10898 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10899 tg3_halt_cpu(tp, TX_CPU_BASE);
10901 tg3_nvram_unlock(tp);
10903 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
10906 if (tg3_test_registers(tp) != 0) {
10907 etest->flags |= ETH_TEST_FL_FAILED;
10910 if (tg3_test_memory(tp) != 0) {
10911 etest->flags |= ETH_TEST_FL_FAILED;
10914 if ((data[4] = tg3_test_loopback(tp)) != 0)
10915 etest->flags |= ETH_TEST_FL_FAILED;
10917 tg3_full_unlock(tp);
10919 if (tg3_test_interrupt(tp) != 0) {
10920 etest->flags |= ETH_TEST_FL_FAILED;
10924 tg3_full_lock(tp, 0);
10926 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10927 if (netif_running(dev)) {
10928 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
10929 err2 = tg3_restart_hw(tp, 1);
10931 tg3_netif_start(tp);
10934 tg3_full_unlock(tp);
10936 if (irq_sync && !err2)
10939 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
10940 tg3_set_power_state(tp, PCI_D3hot);
10944 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10946 struct mii_ioctl_data *data = if_mii(ifr);
10947 struct tg3 *tp = netdev_priv(dev);
10950 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10951 struct phy_device *phydev;
10952 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
10954 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10955 return phy_mii_ioctl(phydev, ifr, cmd);
10960 data->phy_id = tp->phy_addr;
10963 case SIOCGMIIREG: {
10966 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
10967 break; /* We have no PHY */
10969 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
10972 spin_lock_bh(&tp->lock);
10973 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
10974 spin_unlock_bh(&tp->lock);
10976 data->val_out = mii_regval;
10982 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
10983 break; /* We have no PHY */
10985 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
10988 spin_lock_bh(&tp->lock);
10989 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10990 spin_unlock_bh(&tp->lock);
10998 return -EOPNOTSUPP;
11001 #if TG3_VLAN_TAG_USED
11002 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11004 struct tg3 *tp = netdev_priv(dev);
11006 if (!netif_running(dev)) {
11011 tg3_netif_stop(tp);
11013 tg3_full_lock(tp, 0);
11017 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11018 __tg3_set_rx_mode(dev);
11020 tg3_netif_start(tp);
11022 tg3_full_unlock(tp);
11026 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11028 struct tg3 *tp = netdev_priv(dev);
11030 memcpy(ec, &tp->coal, sizeof(*ec));
11034 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11036 struct tg3 *tp = netdev_priv(dev);
11037 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11038 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11040 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11041 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11042 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11043 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11044 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11047 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11048 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11049 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11050 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11051 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11052 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11053 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11054 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11055 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11056 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11059 /* No rx interrupts will be generated if both are zero */
11060 if ((ec->rx_coalesce_usecs == 0) &&
11061 (ec->rx_max_coalesced_frames == 0))
11064 /* No tx interrupts will be generated if both are zero */
11065 if ((ec->tx_coalesce_usecs == 0) &&
11066 (ec->tx_max_coalesced_frames == 0))
11069 /* Only copy relevant parameters, ignore all others. */
11070 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11071 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11072 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11073 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11074 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11075 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11076 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11077 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11078 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11080 if (netif_running(dev)) {
11081 tg3_full_lock(tp, 0);
11082 __tg3_set_coalesce(tp, &tp->coal);
11083 tg3_full_unlock(tp);
11088 static const struct ethtool_ops tg3_ethtool_ops = {
11089 .get_settings = tg3_get_settings,
11090 .set_settings = tg3_set_settings,
11091 .get_drvinfo = tg3_get_drvinfo,
11092 .get_regs_len = tg3_get_regs_len,
11093 .get_regs = tg3_get_regs,
11094 .get_wol = tg3_get_wol,
11095 .set_wol = tg3_set_wol,
11096 .get_msglevel = tg3_get_msglevel,
11097 .set_msglevel = tg3_set_msglevel,
11098 .nway_reset = tg3_nway_reset,
11099 .get_link = ethtool_op_get_link,
11100 .get_eeprom_len = tg3_get_eeprom_len,
11101 .get_eeprom = tg3_get_eeprom,
11102 .set_eeprom = tg3_set_eeprom,
11103 .get_ringparam = tg3_get_ringparam,
11104 .set_ringparam = tg3_set_ringparam,
11105 .get_pauseparam = tg3_get_pauseparam,
11106 .set_pauseparam = tg3_set_pauseparam,
11107 .get_rx_csum = tg3_get_rx_csum,
11108 .set_rx_csum = tg3_set_rx_csum,
11109 .set_tx_csum = tg3_set_tx_csum,
11110 .set_sg = ethtool_op_set_sg,
11111 .set_tso = tg3_set_tso,
11112 .self_test = tg3_self_test,
11113 .get_strings = tg3_get_strings,
11114 .phys_id = tg3_phys_id,
11115 .get_ethtool_stats = tg3_get_ethtool_stats,
11116 .get_coalesce = tg3_get_coalesce,
11117 .set_coalesce = tg3_set_coalesce,
11118 .get_sset_count = tg3_get_sset_count,
11121 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11123 u32 cursize, val, magic;
11125 tp->nvram_size = EEPROM_CHIP_SIZE;
11127 if (tg3_nvram_read(tp, 0, &magic) != 0)
11130 if ((magic != TG3_EEPROM_MAGIC) &&
11131 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11132 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11136 * Size the chip by reading offsets at increasing powers of two.
11137 * When we encounter our validation signature, we know the addressing
11138 * has wrapped around, and thus have our chip size.
11142 while (cursize < tp->nvram_size) {
11143 if (tg3_nvram_read(tp, cursize, &val) != 0)
11152 tp->nvram_size = cursize;
11155 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11159 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11160 tg3_nvram_read(tp, 0, &val) != 0)
11163 /* Selfboot format */
11164 if (val != TG3_EEPROM_MAGIC) {
11165 tg3_get_eeprom_size(tp);
11169 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11171 /* This is confusing. We want to operate on the
11172 * 16-bit value at offset 0xf2. The tg3_nvram_read()
11173 * call will read from NVRAM and byteswap the data
11174 * according to the byteswapping settings for all
11175 * other register accesses. This ensures the data we
11176 * want will always reside in the lower 16-bits.
11177 * However, the data in NVRAM is in LE format, which
11178 * means the data from the NVRAM read will always be
11179 * opposite the endianness of the CPU. The 16-bit
11180 * byteswap then brings the data to CPU endianness.
11182 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11186 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11189 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11193 nvcfg1 = tr32(NVRAM_CFG1);
11194 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11195 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11197 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11198 tw32(NVRAM_CFG1, nvcfg1);
11201 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11202 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11203 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11204 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11205 tp->nvram_jedecnum = JEDEC_ATMEL;
11206 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11207 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11209 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11210 tp->nvram_jedecnum = JEDEC_ATMEL;
11211 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11213 case FLASH_VENDOR_ATMEL_EEPROM:
11214 tp->nvram_jedecnum = JEDEC_ATMEL;
11215 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11216 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11218 case FLASH_VENDOR_ST:
11219 tp->nvram_jedecnum = JEDEC_ST;
11220 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11221 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11223 case FLASH_VENDOR_SAIFUN:
11224 tp->nvram_jedecnum = JEDEC_SAIFUN;
11225 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11227 case FLASH_VENDOR_SST_SMALL:
11228 case FLASH_VENDOR_SST_LARGE:
11229 tp->nvram_jedecnum = JEDEC_SST;
11230 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11234 tp->nvram_jedecnum = JEDEC_ATMEL;
11235 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11236 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11240 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11242 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11243 case FLASH_5752PAGE_SIZE_256:
11244 tp->nvram_pagesize = 256;
11246 case FLASH_5752PAGE_SIZE_512:
11247 tp->nvram_pagesize = 512;
11249 case FLASH_5752PAGE_SIZE_1K:
11250 tp->nvram_pagesize = 1024;
11252 case FLASH_5752PAGE_SIZE_2K:
11253 tp->nvram_pagesize = 2048;
11255 case FLASH_5752PAGE_SIZE_4K:
11256 tp->nvram_pagesize = 4096;
11258 case FLASH_5752PAGE_SIZE_264:
11259 tp->nvram_pagesize = 264;
11261 case FLASH_5752PAGE_SIZE_528:
11262 tp->nvram_pagesize = 528;
11267 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11271 nvcfg1 = tr32(NVRAM_CFG1);
11273 /* NVRAM protection for TPM */
11274 if (nvcfg1 & (1 << 27))
11275 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11277 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11278 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11279 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11280 tp->nvram_jedecnum = JEDEC_ATMEL;
11281 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11283 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11284 tp->nvram_jedecnum = JEDEC_ATMEL;
11285 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11286 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11288 case FLASH_5752VENDOR_ST_M45PE10:
11289 case FLASH_5752VENDOR_ST_M45PE20:
11290 case FLASH_5752VENDOR_ST_M45PE40:
11291 tp->nvram_jedecnum = JEDEC_ST;
11292 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11293 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11297 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11298 tg3_nvram_get_pagesize(tp, nvcfg1);
11300 /* For eeprom, set pagesize to maximum eeprom size */
11301 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11303 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11304 tw32(NVRAM_CFG1, nvcfg1);
11308 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11310 u32 nvcfg1, protect = 0;
11312 nvcfg1 = tr32(NVRAM_CFG1);
11314 /* NVRAM protection for TPM */
11315 if (nvcfg1 & (1 << 27)) {
11316 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11320 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11322 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11323 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11324 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11325 case FLASH_5755VENDOR_ATMEL_FLASH_5:
11326 tp->nvram_jedecnum = JEDEC_ATMEL;
11327 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11328 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11329 tp->nvram_pagesize = 264;
11330 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11331 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11332 tp->nvram_size = (protect ? 0x3e200 :
11333 TG3_NVRAM_SIZE_512KB);
11334 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11335 tp->nvram_size = (protect ? 0x1f200 :
11336 TG3_NVRAM_SIZE_256KB);
11338 tp->nvram_size = (protect ? 0x1f200 :
11339 TG3_NVRAM_SIZE_128KB);
11341 case FLASH_5752VENDOR_ST_M45PE10:
11342 case FLASH_5752VENDOR_ST_M45PE20:
11343 case FLASH_5752VENDOR_ST_M45PE40:
11344 tp->nvram_jedecnum = JEDEC_ST;
11345 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11346 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11347 tp->nvram_pagesize = 256;
11348 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11349 tp->nvram_size = (protect ?
11350 TG3_NVRAM_SIZE_64KB :
11351 TG3_NVRAM_SIZE_128KB);
11352 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11353 tp->nvram_size = (protect ?
11354 TG3_NVRAM_SIZE_64KB :
11355 TG3_NVRAM_SIZE_256KB);
11357 tp->nvram_size = (protect ?
11358 TG3_NVRAM_SIZE_128KB :
11359 TG3_NVRAM_SIZE_512KB);
11364 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11368 nvcfg1 = tr32(NVRAM_CFG1);
11370 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11371 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11372 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11373 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11374 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11375 tp->nvram_jedecnum = JEDEC_ATMEL;
11376 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11377 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11379 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11380 tw32(NVRAM_CFG1, nvcfg1);
11382 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11383 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11384 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11385 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11386 tp->nvram_jedecnum = JEDEC_ATMEL;
11387 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11388 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11389 tp->nvram_pagesize = 264;
11391 case FLASH_5752VENDOR_ST_M45PE10:
11392 case FLASH_5752VENDOR_ST_M45PE20:
11393 case FLASH_5752VENDOR_ST_M45PE40:
11394 tp->nvram_jedecnum = JEDEC_ST;
11395 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11396 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11397 tp->nvram_pagesize = 256;
11402 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11404 u32 nvcfg1, protect = 0;
11406 nvcfg1 = tr32(NVRAM_CFG1);
11408 /* NVRAM protection for TPM */
11409 if (nvcfg1 & (1 << 27)) {
11410 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11414 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11416 case FLASH_5761VENDOR_ATMEL_ADB021D:
11417 case FLASH_5761VENDOR_ATMEL_ADB041D:
11418 case FLASH_5761VENDOR_ATMEL_ADB081D:
11419 case FLASH_5761VENDOR_ATMEL_ADB161D:
11420 case FLASH_5761VENDOR_ATMEL_MDB021D:
11421 case FLASH_5761VENDOR_ATMEL_MDB041D:
11422 case FLASH_5761VENDOR_ATMEL_MDB081D:
11423 case FLASH_5761VENDOR_ATMEL_MDB161D:
11424 tp->nvram_jedecnum = JEDEC_ATMEL;
11425 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11426 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11427 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11428 tp->nvram_pagesize = 256;
11430 case FLASH_5761VENDOR_ST_A_M45PE20:
11431 case FLASH_5761VENDOR_ST_A_M45PE40:
11432 case FLASH_5761VENDOR_ST_A_M45PE80:
11433 case FLASH_5761VENDOR_ST_A_M45PE16:
11434 case FLASH_5761VENDOR_ST_M_M45PE20:
11435 case FLASH_5761VENDOR_ST_M_M45PE40:
11436 case FLASH_5761VENDOR_ST_M_M45PE80:
11437 case FLASH_5761VENDOR_ST_M_M45PE16:
11438 tp->nvram_jedecnum = JEDEC_ST;
11439 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11440 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11441 tp->nvram_pagesize = 256;
11446 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11449 case FLASH_5761VENDOR_ATMEL_ADB161D:
11450 case FLASH_5761VENDOR_ATMEL_MDB161D:
11451 case FLASH_5761VENDOR_ST_A_M45PE16:
11452 case FLASH_5761VENDOR_ST_M_M45PE16:
11453 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11455 case FLASH_5761VENDOR_ATMEL_ADB081D:
11456 case FLASH_5761VENDOR_ATMEL_MDB081D:
11457 case FLASH_5761VENDOR_ST_A_M45PE80:
11458 case FLASH_5761VENDOR_ST_M_M45PE80:
11459 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11461 case FLASH_5761VENDOR_ATMEL_ADB041D:
11462 case FLASH_5761VENDOR_ATMEL_MDB041D:
11463 case FLASH_5761VENDOR_ST_A_M45PE40:
11464 case FLASH_5761VENDOR_ST_M_M45PE40:
11465 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11467 case FLASH_5761VENDOR_ATMEL_ADB021D:
11468 case FLASH_5761VENDOR_ATMEL_MDB021D:
11469 case FLASH_5761VENDOR_ST_A_M45PE20:
11470 case FLASH_5761VENDOR_ST_M_M45PE20:
11471 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11477 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11479 tp->nvram_jedecnum = JEDEC_ATMEL;
11480 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11481 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11484 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11488 nvcfg1 = tr32(NVRAM_CFG1);
11490 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11491 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11492 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11493 tp->nvram_jedecnum = JEDEC_ATMEL;
11494 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11495 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11497 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11498 tw32(NVRAM_CFG1, nvcfg1);
11500 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11501 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11502 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11503 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11504 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11505 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11506 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11507 tp->nvram_jedecnum = JEDEC_ATMEL;
11508 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11509 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11511 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11512 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11513 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11514 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11515 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11517 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11518 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11519 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11521 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11522 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11523 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11527 case FLASH_5752VENDOR_ST_M45PE10:
11528 case FLASH_5752VENDOR_ST_M45PE20:
11529 case FLASH_5752VENDOR_ST_M45PE40:
11530 tp->nvram_jedecnum = JEDEC_ST;
11531 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11532 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11534 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11535 case FLASH_5752VENDOR_ST_M45PE10:
11536 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11538 case FLASH_5752VENDOR_ST_M45PE20:
11539 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11541 case FLASH_5752VENDOR_ST_M45PE40:
11542 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11547 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11551 tg3_nvram_get_pagesize(tp, nvcfg1);
11552 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11553 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11557 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11561 nvcfg1 = tr32(NVRAM_CFG1);
11563 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11564 case FLASH_5717VENDOR_ATMEL_EEPROM:
11565 case FLASH_5717VENDOR_MICRO_EEPROM:
11566 tp->nvram_jedecnum = JEDEC_ATMEL;
11567 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11568 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11570 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11571 tw32(NVRAM_CFG1, nvcfg1);
11573 case FLASH_5717VENDOR_ATMEL_MDB011D:
11574 case FLASH_5717VENDOR_ATMEL_ADB011B:
11575 case FLASH_5717VENDOR_ATMEL_ADB011D:
11576 case FLASH_5717VENDOR_ATMEL_MDB021D:
11577 case FLASH_5717VENDOR_ATMEL_ADB021B:
11578 case FLASH_5717VENDOR_ATMEL_ADB021D:
11579 case FLASH_5717VENDOR_ATMEL_45USPT:
11580 tp->nvram_jedecnum = JEDEC_ATMEL;
11581 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11582 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11584 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11585 case FLASH_5717VENDOR_ATMEL_MDB021D:
11586 case FLASH_5717VENDOR_ATMEL_ADB021B:
11587 case FLASH_5717VENDOR_ATMEL_ADB021D:
11588 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11591 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11595 case FLASH_5717VENDOR_ST_M_M25PE10:
11596 case FLASH_5717VENDOR_ST_A_M25PE10:
11597 case FLASH_5717VENDOR_ST_M_M45PE10:
11598 case FLASH_5717VENDOR_ST_A_M45PE10:
11599 case FLASH_5717VENDOR_ST_M_M25PE20:
11600 case FLASH_5717VENDOR_ST_A_M25PE20:
11601 case FLASH_5717VENDOR_ST_M_M45PE20:
11602 case FLASH_5717VENDOR_ST_A_M45PE20:
11603 case FLASH_5717VENDOR_ST_25USPT:
11604 case FLASH_5717VENDOR_ST_45USPT:
11605 tp->nvram_jedecnum = JEDEC_ST;
11606 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11607 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11609 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11610 case FLASH_5717VENDOR_ST_M_M25PE20:
11611 case FLASH_5717VENDOR_ST_A_M25PE20:
11612 case FLASH_5717VENDOR_ST_M_M45PE20:
11613 case FLASH_5717VENDOR_ST_A_M45PE20:
11614 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11617 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11622 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11626 tg3_nvram_get_pagesize(tp, nvcfg1);
11627 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11628 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11631 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11632 static void __devinit tg3_nvram_init(struct tg3 *tp)
11634 tw32_f(GRC_EEPROM_ADDR,
11635 (EEPROM_ADDR_FSM_RESET |
11636 (EEPROM_DEFAULT_CLOCK_PERIOD <<
11637 EEPROM_ADDR_CLKPERD_SHIFT)));
11641 /* Enable seeprom accesses. */
11642 tw32_f(GRC_LOCAL_CTRL,
11643 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11646 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11647 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11648 tp->tg3_flags |= TG3_FLAG_NVRAM;
11650 if (tg3_nvram_lock(tp)) {
11651 netdev_warn(tp->dev,
11652 "Cannot get nvram lock, %s failed\n",
11656 tg3_enable_nvram_access(tp);
11658 tp->nvram_size = 0;
11660 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11661 tg3_get_5752_nvram_info(tp);
11662 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11663 tg3_get_5755_nvram_info(tp);
11664 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11665 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11666 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11667 tg3_get_5787_nvram_info(tp);
11668 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11669 tg3_get_5761_nvram_info(tp);
11670 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11671 tg3_get_5906_nvram_info(tp);
11672 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11673 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11674 tg3_get_57780_nvram_info(tp);
11675 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
11676 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
11677 tg3_get_5717_nvram_info(tp);
11679 tg3_get_nvram_info(tp);
11681 if (tp->nvram_size == 0)
11682 tg3_get_nvram_size(tp);
11684 tg3_disable_nvram_access(tp);
11685 tg3_nvram_unlock(tp);
11688 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11690 tg3_get_eeprom_size(tp);
11694 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11695 u32 offset, u32 len, u8 *buf)
11700 for (i = 0; i < len; i += 4) {
11706 memcpy(&data, buf + i, 4);
11709 * The SEEPROM interface expects the data to always be opposite
11710 * the native endian format. We accomplish this by reversing
11711 * all the operations that would have been performed on the
11712 * data from a call to tg3_nvram_read_be32().
11714 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11716 val = tr32(GRC_EEPROM_ADDR);
11717 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11719 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11721 tw32(GRC_EEPROM_ADDR, val |
11722 (0 << EEPROM_ADDR_DEVID_SHIFT) |
11723 (addr & EEPROM_ADDR_ADDR_MASK) |
11724 EEPROM_ADDR_START |
11725 EEPROM_ADDR_WRITE);
11727 for (j = 0; j < 1000; j++) {
11728 val = tr32(GRC_EEPROM_ADDR);
11730 if (val & EEPROM_ADDR_COMPLETE)
11734 if (!(val & EEPROM_ADDR_COMPLETE)) {
11743 /* offset and length are dword aligned */
11744 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11748 u32 pagesize = tp->nvram_pagesize;
11749 u32 pagemask = pagesize - 1;
11753 tmp = kmalloc(pagesize, GFP_KERNEL);
11759 u32 phy_addr, page_off, size;
11761 phy_addr = offset & ~pagemask;
11763 for (j = 0; j < pagesize; j += 4) {
11764 ret = tg3_nvram_read_be32(tp, phy_addr + j,
11765 (__be32 *) (tmp + j));
11772 page_off = offset & pagemask;
11779 memcpy(tmp + page_off, buf, size);
11781 offset = offset + (pagesize - page_off);
11783 tg3_enable_nvram_access(tp);
11786 * Before we can erase the flash page, we need
11787 * to issue a special "write enable" command.
11789 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11791 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11794 /* Erase the target page */
11795 tw32(NVRAM_ADDR, phy_addr);
11797 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11798 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11800 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11803 /* Issue another write enable to start the write. */
11804 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11806 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11809 for (j = 0; j < pagesize; j += 4) {
11812 data = *((__be32 *) (tmp + j));
11814 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11816 tw32(NVRAM_ADDR, phy_addr + j);
11818 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11822 nvram_cmd |= NVRAM_CMD_FIRST;
11823 else if (j == (pagesize - 4))
11824 nvram_cmd |= NVRAM_CMD_LAST;
11826 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11833 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11834 tg3_nvram_exec_cmd(tp, nvram_cmd);
11841 /* offset and length are dword aligned */
11842 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11847 for (i = 0; i < len; i += 4, offset += 4) {
11848 u32 page_off, phy_addr, nvram_cmd;
11851 memcpy(&data, buf + i, 4);
11852 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11854 page_off = offset % tp->nvram_pagesize;
11856 phy_addr = tg3_nvram_phys_addr(tp, offset);
11858 tw32(NVRAM_ADDR, phy_addr);
11860 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11862 if (page_off == 0 || i == 0)
11863 nvram_cmd |= NVRAM_CMD_FIRST;
11864 if (page_off == (tp->nvram_pagesize - 4))
11865 nvram_cmd |= NVRAM_CMD_LAST;
11867 if (i == (len - 4))
11868 nvram_cmd |= NVRAM_CMD_LAST;
11870 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11871 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
11872 (tp->nvram_jedecnum == JEDEC_ST) &&
11873 (nvram_cmd & NVRAM_CMD_FIRST)) {
11875 if ((ret = tg3_nvram_exec_cmd(tp,
11876 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11881 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11882 /* We always do complete word writes to eeprom. */
11883 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11886 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11892 /* offset and length are dword aligned */
11893 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11897 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11898 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11899 ~GRC_LCLCTRL_GPIO_OUTPUT1);
11903 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11904 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11908 ret = tg3_nvram_lock(tp);
11912 tg3_enable_nvram_access(tp);
11913 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
11914 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
11915 tw32(NVRAM_WRITE1, 0x406);
11917 grc_mode = tr32(GRC_MODE);
11918 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11920 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11921 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11923 ret = tg3_nvram_write_block_buffered(tp, offset, len,
11926 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11930 grc_mode = tr32(GRC_MODE);
11931 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11933 tg3_disable_nvram_access(tp);
11934 tg3_nvram_unlock(tp);
11937 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11938 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
11945 struct subsys_tbl_ent {
11946 u16 subsys_vendor, subsys_devid;
11950 static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = {
11951 /* Broadcom boards. */
11952 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11953 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
11954 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11955 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
11956 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11957 TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
11958 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11959 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
11960 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11961 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
11962 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11963 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
11964 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11965 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
11966 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11967 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
11968 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11969 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
11970 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11971 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
11972 { TG3PCI_SUBVENDOR_ID_BROADCOM,
11973 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
11976 { TG3PCI_SUBVENDOR_ID_3COM,
11977 TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
11978 { TG3PCI_SUBVENDOR_ID_3COM,
11979 TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
11980 { TG3PCI_SUBVENDOR_ID_3COM,
11981 TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
11982 { TG3PCI_SUBVENDOR_ID_3COM,
11983 TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
11984 { TG3PCI_SUBVENDOR_ID_3COM,
11985 TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
11988 { TG3PCI_SUBVENDOR_ID_DELL,
11989 TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
11990 { TG3PCI_SUBVENDOR_ID_DELL,
11991 TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
11992 { TG3PCI_SUBVENDOR_ID_DELL,
11993 TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
11994 { TG3PCI_SUBVENDOR_ID_DELL,
11995 TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
11997 /* Compaq boards. */
11998 { TG3PCI_SUBVENDOR_ID_COMPAQ,
11999 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
12000 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12001 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
12002 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12003 TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
12004 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12005 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
12006 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12007 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
12010 { TG3PCI_SUBVENDOR_ID_IBM,
12011 TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
12014 static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp)
12018 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12019 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12020 tp->pdev->subsystem_vendor) &&
12021 (subsys_id_to_phy_id[i].subsys_devid ==
12022 tp->pdev->subsystem_device))
12023 return &subsys_id_to_phy_id[i];
12028 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
12033 /* On some early chips the SRAM cannot be accessed in D3hot state,
12034 * so need make sure we're in D0.
12036 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12037 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12038 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12041 /* Make sure register accesses (indirect or otherwise)
12042 * will function correctly.
12044 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12045 tp->misc_host_ctrl);
12047 /* The memory arbiter has to be enabled in order for SRAM accesses
12048 * to succeed. Normally on powerup the tg3 chip firmware will make
12049 * sure it is enabled, but other entities such as system netboot
12050 * code might disable it.
12052 val = tr32(MEMARB_MODE);
12053 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12055 tp->phy_id = TG3_PHY_ID_INVALID;
12056 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12058 /* Assume an onboard device and WOL capable by default. */
12059 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
12061 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12062 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
12063 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12064 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12066 val = tr32(VCPU_CFGSHDW);
12067 if (val & VCPU_CFGSHDW_ASPM_DBNC)
12068 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12069 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
12070 (val & VCPU_CFGSHDW_WOL_MAGPKT))
12071 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12075 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12076 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12077 u32 nic_cfg, led_cfg;
12078 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12079 int eeprom_phy_serdes = 0;
12081 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12082 tp->nic_sram_data_cfg = nic_cfg;
12084 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12085 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12086 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12087 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12088 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12089 (ver > 0) && (ver < 0x100))
12090 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12092 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12093 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12095 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12096 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12097 eeprom_phy_serdes = 1;
12099 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12100 if (nic_phy_id != 0) {
12101 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12102 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12104 eeprom_phy_id = (id1 >> 16) << 10;
12105 eeprom_phy_id |= (id2 & 0xfc00) << 16;
12106 eeprom_phy_id |= (id2 & 0x03ff) << 0;
12110 tp->phy_id = eeprom_phy_id;
12111 if (eeprom_phy_serdes) {
12112 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12113 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12115 tp->phy_flags |= TG3_PHYFLG_MII_SERDES;
12118 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12119 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12120 SHASTA_EXT_LED_MODE_MASK);
12122 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12126 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12127 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12130 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12131 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12134 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12135 tp->led_ctrl = LED_CTRL_MODE_MAC;
12137 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12138 * read on some older 5700/5701 bootcode.
12140 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12142 GET_ASIC_REV(tp->pci_chip_rev_id) ==
12144 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12148 case SHASTA_EXT_LED_SHARED:
12149 tp->led_ctrl = LED_CTRL_MODE_SHARED;
12150 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12151 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12152 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12153 LED_CTRL_MODE_PHY_2);
12156 case SHASTA_EXT_LED_MAC:
12157 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12160 case SHASTA_EXT_LED_COMBO:
12161 tp->led_ctrl = LED_CTRL_MODE_COMBO;
12162 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12163 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12164 LED_CTRL_MODE_PHY_2);
12169 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12170 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12171 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12172 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12174 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12175 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12177 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12178 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12179 if ((tp->pdev->subsystem_vendor ==
12180 PCI_VENDOR_ID_ARIMA) &&
12181 (tp->pdev->subsystem_device == 0x205a ||
12182 tp->pdev->subsystem_device == 0x2063))
12183 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12185 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12186 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12189 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12190 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12191 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12192 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12195 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12196 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12197 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12199 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES &&
12200 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12201 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12203 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12204 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12205 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12207 if (cfg2 & (1 << 17))
12208 tp->phy_flags |= TG3_PHYFLG_CAPACITIVE_COUPLING;
12210 /* serdes signal pre-emphasis in register 0x590 set by */
12211 /* bootcode if bit 18 is set */
12212 if (cfg2 & (1 << 18))
12213 tp->phy_flags |= TG3_PHYFLG_SERDES_PREEMPHASIS;
12215 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12216 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12217 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12218 tp->phy_flags |= TG3_PHYFLG_ENABLE_APD;
12220 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12221 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12222 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
12225 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12226 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12227 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12230 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
12231 tp->tg3_flags3 |= TG3_FLG3_RGMII_INBAND_DISABLE;
12232 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12233 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12234 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12235 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12238 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12239 device_set_wakeup_enable(&tp->pdev->dev,
12240 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12243 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12248 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12249 tw32(OTP_CTRL, cmd);
12251 /* Wait for up to 1 ms for command to execute. */
12252 for (i = 0; i < 100; i++) {
12253 val = tr32(OTP_STATUS);
12254 if (val & OTP_STATUS_CMD_DONE)
12259 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12262 /* Read the gphy configuration from the OTP region of the chip. The gphy
12263 * configuration is a 32-bit value that straddles the alignment boundary.
12264 * We do two 32-bit reads and then shift and merge the results.
12266 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12268 u32 bhalf_otp, thalf_otp;
12270 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12272 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12275 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12277 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12280 thalf_otp = tr32(OTP_READ_DATA);
12282 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12284 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12287 bhalf_otp = tr32(OTP_READ_DATA);
12289 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12292 static int __devinit tg3_phy_probe(struct tg3 *tp)
12294 u32 hw_phy_id_1, hw_phy_id_2;
12295 u32 hw_phy_id, hw_phy_id_masked;
12298 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12299 return tg3_phy_init(tp);
12301 /* Reading the PHY ID register can conflict with ASF
12302 * firmware access to the PHY hardware.
12305 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12306 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12307 hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
12309 /* Now read the physical PHY_ID from the chip and verify
12310 * that it is sane. If it doesn't look good, we fall back
12311 * to either the hard-coded table based PHY_ID and failing
12312 * that the value found in the eeprom area.
12314 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12315 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12317 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
12318 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12319 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
12321 hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
12324 if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
12325 tp->phy_id = hw_phy_id;
12326 if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
12327 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12329 tp->phy_flags &= ~TG3_PHYFLG_PHY_SERDES;
12331 if (tp->phy_id != TG3_PHY_ID_INVALID) {
12332 /* Do nothing, phy ID already set up in
12333 * tg3_get_eeprom_hw_cfg().
12336 struct subsys_tbl_ent *p;
12338 /* No eeprom signature? Try the hardcoded
12339 * subsys device table.
12341 p = tg3_lookup_by_subsys(tp);
12345 tp->phy_id = p->phy_id;
12347 tp->phy_id == TG3_PHY_ID_BCM8002)
12348 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12352 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
12353 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12354 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12355 u32 bmsr, adv_reg, tg3_ctrl, mask;
12357 tg3_readphy(tp, MII_BMSR, &bmsr);
12358 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12359 (bmsr & BMSR_LSTATUS))
12360 goto skip_phy_reset;
12362 err = tg3_phy_reset(tp);
12366 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12367 ADVERTISE_100HALF | ADVERTISE_100FULL |
12368 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12370 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
12371 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12372 MII_TG3_CTRL_ADV_1000_FULL);
12373 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12374 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12375 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12376 MII_TG3_CTRL_ENABLE_AS_MASTER);
12379 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12380 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12381 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12382 if (!tg3_copper_is_advertising_all(tp, mask)) {
12383 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12385 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
12386 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12388 tg3_writephy(tp, MII_BMCR,
12389 BMCR_ANENABLE | BMCR_ANRESTART);
12391 tg3_phy_set_wirespeed(tp);
12393 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12394 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
12395 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12399 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
12400 err = tg3_init_5401phy_dsp(tp);
12404 err = tg3_init_5401phy_dsp(tp);
12407 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
12408 tp->link_config.advertising =
12409 (ADVERTISED_1000baseT_Half |
12410 ADVERTISED_1000baseT_Full |
12411 ADVERTISED_Autoneg |
12413 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
12414 tp->link_config.advertising &=
12415 ~(ADVERTISED_1000baseT_Half |
12416 ADVERTISED_1000baseT_Full);
12421 static void __devinit tg3_read_vpd(struct tg3 *tp)
12423 u8 vpd_data[TG3_NVM_VPD_LEN];
12424 unsigned int block_end, rosize, len;
12428 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12429 tg3_nvram_read(tp, 0x0, &magic))
12430 goto out_not_found;
12432 if (magic == TG3_EEPROM_MAGIC) {
12433 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12436 /* The data is in little-endian format in NVRAM.
12437 * Use the big-endian read routines to preserve
12438 * the byte order as it exists in NVRAM.
12440 if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12441 goto out_not_found;
12443 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12447 unsigned int pos = 0;
12449 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12450 cnt = pci_read_vpd(tp->pdev, pos,
12451 TG3_NVM_VPD_LEN - pos,
12453 if (cnt == -ETIMEDOUT || -EINTR)
12456 goto out_not_found;
12458 if (pos != TG3_NVM_VPD_LEN)
12459 goto out_not_found;
12462 i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN,
12463 PCI_VPD_LRDT_RO_DATA);
12465 goto out_not_found;
12467 rosize = pci_vpd_lrdt_size(&vpd_data[i]);
12468 block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
12469 i += PCI_VPD_LRDT_TAG_SIZE;
12471 if (block_end > TG3_NVM_VPD_LEN)
12472 goto out_not_found;
12474 j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12475 PCI_VPD_RO_KEYWORD_MFR_ID);
12477 len = pci_vpd_info_field_size(&vpd_data[j]);
12479 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12480 if (j + len > block_end || len != 4 ||
12481 memcmp(&vpd_data[j], "1028", 4))
12484 j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12485 PCI_VPD_RO_KEYWORD_VENDOR0);
12489 len = pci_vpd_info_field_size(&vpd_data[j]);
12491 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12492 if (j + len > block_end)
12495 memcpy(tp->fw_ver, &vpd_data[j], len);
12496 strncat(tp->fw_ver, " bc ", TG3_NVM_VPD_LEN - len - 1);
12500 i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12501 PCI_VPD_RO_KEYWORD_PARTNO);
12503 goto out_not_found;
12505 len = pci_vpd_info_field_size(&vpd_data[i]);
12507 i += PCI_VPD_INFO_FLD_HDR_SIZE;
12508 if (len > TG3_BPN_SIZE ||
12509 (len + i) > TG3_NVM_VPD_LEN)
12510 goto out_not_found;
12512 memcpy(tp->board_part_number, &vpd_data[i], len);
12517 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12518 strcpy(tp->board_part_number, "BCM95906");
12519 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12520 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12521 strcpy(tp->board_part_number, "BCM57780");
12522 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12523 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12524 strcpy(tp->board_part_number, "BCM57760");
12525 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12526 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12527 strcpy(tp->board_part_number, "BCM57790");
12528 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12529 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12530 strcpy(tp->board_part_number, "BCM57788");
12531 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12532 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
12533 strcpy(tp->board_part_number, "BCM57761");
12534 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12535 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
12536 strcpy(tp->board_part_number, "BCM57765");
12537 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12538 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
12539 strcpy(tp->board_part_number, "BCM57781");
12540 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12541 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
12542 strcpy(tp->board_part_number, "BCM57785");
12543 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12544 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
12545 strcpy(tp->board_part_number, "BCM57791");
12546 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12547 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12548 strcpy(tp->board_part_number, "BCM57795");
12550 strcpy(tp->board_part_number, "none");
12553 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12557 if (tg3_nvram_read(tp, offset, &val) ||
12558 (val & 0xfc000000) != 0x0c000000 ||
12559 tg3_nvram_read(tp, offset + 4, &val) ||
12566 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12568 u32 val, offset, start, ver_offset;
12570 bool newver = false;
12572 if (tg3_nvram_read(tp, 0xc, &offset) ||
12573 tg3_nvram_read(tp, 0x4, &start))
12576 offset = tg3_nvram_logical_addr(tp, offset);
12578 if (tg3_nvram_read(tp, offset, &val))
12581 if ((val & 0xfc000000) == 0x0c000000) {
12582 if (tg3_nvram_read(tp, offset + 4, &val))
12589 dst_off = strlen(tp->fw_ver);
12592 if (TG3_VER_SIZE - dst_off < 16 ||
12593 tg3_nvram_read(tp, offset + 8, &ver_offset))
12596 offset = offset + ver_offset - start;
12597 for (i = 0; i < 16; i += 4) {
12599 if (tg3_nvram_read_be32(tp, offset + i, &v))
12602 memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v));
12607 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12610 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12611 TG3_NVM_BCVER_MAJSFT;
12612 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12613 snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off,
12614 "v%d.%02d", major, minor);
12618 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12620 u32 val, major, minor;
12622 /* Use native endian representation */
12623 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12626 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12627 TG3_NVM_HWSB_CFG1_MAJSFT;
12628 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12629 TG3_NVM_HWSB_CFG1_MINSFT;
12631 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12634 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12636 u32 offset, major, minor, build;
12638 strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1);
12640 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12643 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12644 case TG3_EEPROM_SB_REVISION_0:
12645 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12647 case TG3_EEPROM_SB_REVISION_2:
12648 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12650 case TG3_EEPROM_SB_REVISION_3:
12651 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12653 case TG3_EEPROM_SB_REVISION_4:
12654 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
12656 case TG3_EEPROM_SB_REVISION_5:
12657 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
12663 if (tg3_nvram_read(tp, offset, &val))
12666 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12667 TG3_EEPROM_SB_EDH_BLD_SHFT;
12668 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12669 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12670 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
12672 if (minor > 99 || build > 26)
12675 offset = strlen(tp->fw_ver);
12676 snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset,
12677 " v%d.%02d", major, minor);
12680 offset = strlen(tp->fw_ver);
12681 if (offset < TG3_VER_SIZE - 1)
12682 tp->fw_ver[offset] = 'a' + build - 1;
12686 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12688 u32 val, offset, start;
12691 for (offset = TG3_NVM_DIR_START;
12692 offset < TG3_NVM_DIR_END;
12693 offset += TG3_NVM_DIRENT_SIZE) {
12694 if (tg3_nvram_read(tp, offset, &val))
12697 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12701 if (offset == TG3_NVM_DIR_END)
12704 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12705 start = 0x08000000;
12706 else if (tg3_nvram_read(tp, offset - 4, &start))
12709 if (tg3_nvram_read(tp, offset + 4, &offset) ||
12710 !tg3_fw_img_is_valid(tp, offset) ||
12711 tg3_nvram_read(tp, offset + 8, &val))
12714 offset += val - start;
12716 vlen = strlen(tp->fw_ver);
12718 tp->fw_ver[vlen++] = ',';
12719 tp->fw_ver[vlen++] = ' ';
12721 for (i = 0; i < 4; i++) {
12723 if (tg3_nvram_read_be32(tp, offset, &v))
12726 offset += sizeof(v);
12728 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12729 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12733 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12738 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12744 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12745 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
12748 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12749 if (apedata != APE_SEG_SIG_MAGIC)
12752 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12753 if (!(apedata & APE_FW_STATUS_READY))
12756 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12758 if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI) {
12759 tp->tg3_flags3 |= TG3_FLG3_APE_HAS_NCSI;
12765 vlen = strlen(tp->fw_ver);
12767 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d",
12769 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12770 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12771 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12772 (apedata & APE_FW_VERSION_BLDMSK));
12775 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12778 bool vpd_vers = false;
12780 if (tp->fw_ver[0] != 0)
12783 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12784 strcat(tp->fw_ver, "sb");
12788 if (tg3_nvram_read(tp, 0, &val))
12791 if (val == TG3_EEPROM_MAGIC)
12792 tg3_read_bc_ver(tp);
12793 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12794 tg3_read_sb_ver(tp, val);
12795 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12796 tg3_read_hwsb_ver(tp);
12800 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12801 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) || vpd_vers)
12804 tg3_read_mgmtfw_ver(tp);
12807 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12810 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12812 static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
12814 #if TG3_VLAN_TAG_USED
12815 dev->vlan_features |= flags;
12819 static int __devinit tg3_get_invariants(struct tg3 *tp)
12821 static struct pci_device_id write_reorder_chipsets[] = {
12822 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12823 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12824 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12825 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12826 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12827 PCI_DEVICE_ID_VIA_8385_0) },
12831 u32 pci_state_reg, grc_misc_cfg;
12836 /* Force memory write invalidate off. If we leave it on,
12837 * then on 5700_BX chips we have to enable a workaround.
12838 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12839 * to match the cacheline size. The Broadcom driver have this
12840 * workaround but turns MWI off all the times so never uses
12841 * it. This seems to suggest that the workaround is insufficient.
12843 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12844 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12845 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12847 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12848 * has the register indirect write enable bit set before
12849 * we try to access any of the MMIO registers. It is also
12850 * critical that the PCI-X hw workaround situation is decided
12851 * before that as well.
12853 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12856 tp->pci_chip_rev_id = (misc_ctrl_reg >>
12857 MISC_HOST_CTRL_CHIPREV_SHIFT);
12858 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12859 u32 prod_id_asic_rev;
12861 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12862 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12863 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724 ||
12864 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719)
12865 pci_read_config_dword(tp->pdev,
12866 TG3PCI_GEN2_PRODID_ASICREV,
12867 &prod_id_asic_rev);
12868 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
12869 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
12870 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
12871 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
12872 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
12873 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12874 pci_read_config_dword(tp->pdev,
12875 TG3PCI_GEN15_PRODID_ASICREV,
12876 &prod_id_asic_rev);
12878 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12879 &prod_id_asic_rev);
12881 tp->pci_chip_rev_id = prod_id_asic_rev;
12884 /* Wrong chip ID in 5752 A0. This code can be removed later
12885 * as A0 is not in production.
12887 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12888 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12890 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12891 * we need to disable memory and use config. cycles
12892 * only to access all registers. The 5702/03 chips
12893 * can mistakenly decode the special cycles from the
12894 * ICH chipsets as memory write cycles, causing corruption
12895 * of register and memory space. Only certain ICH bridges
12896 * will drive special cycles with non-zero data during the
12897 * address phase which can fall within the 5703's address
12898 * range. This is not an ICH bug as the PCI spec allows
12899 * non-zero address during special cycles. However, only
12900 * these ICH bridges are known to drive non-zero addresses
12901 * during special cycles.
12903 * Since special cycles do not cross PCI bridges, we only
12904 * enable this workaround if the 5703 is on the secondary
12905 * bus of these ICH bridges.
12907 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12908 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12909 static struct tg3_dev_id {
12913 } ich_chipsets[] = {
12914 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12916 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12918 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12920 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12924 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12925 struct pci_dev *bridge = NULL;
12927 while (pci_id->vendor != 0) {
12928 bridge = pci_get_device(pci_id->vendor, pci_id->device,
12934 if (pci_id->rev != PCI_ANY_ID) {
12935 if (bridge->revision > pci_id->rev)
12938 if (bridge->subordinate &&
12939 (bridge->subordinate->number ==
12940 tp->pdev->bus->number)) {
12942 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12943 pci_dev_put(bridge);
12949 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12950 static struct tg3_dev_id {
12953 } bridge_chipsets[] = {
12954 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12955 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12958 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12959 struct pci_dev *bridge = NULL;
12961 while (pci_id->vendor != 0) {
12962 bridge = pci_get_device(pci_id->vendor,
12969 if (bridge->subordinate &&
12970 (bridge->subordinate->number <=
12971 tp->pdev->bus->number) &&
12972 (bridge->subordinate->subordinate >=
12973 tp->pdev->bus->number)) {
12974 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12975 pci_dev_put(bridge);
12981 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12982 * DMA addresses > 40-bit. This bridge may have other additional
12983 * 57xx devices behind it in some 4-port NIC designs for example.
12984 * Any tg3 device found behind the bridge will also need the 40-bit
12987 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12988 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12989 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
12990 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12991 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
12993 struct pci_dev *bridge = NULL;
12996 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12997 PCI_DEVICE_ID_SERVERWORKS_EPB,
12999 if (bridge && bridge->subordinate &&
13000 (bridge->subordinate->number <=
13001 tp->pdev->bus->number) &&
13002 (bridge->subordinate->subordinate >=
13003 tp->pdev->bus->number)) {
13004 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13005 pci_dev_put(bridge);
13011 /* Initialize misc host control in PCI block. */
13012 tp->misc_host_ctrl |= (misc_ctrl_reg &
13013 MISC_HOST_CTRL_CHIPREV);
13014 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13015 tp->misc_host_ctrl);
13017 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
13018 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
13019 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13020 tp->pdev_peer = tg3_find_peer(tp);
13022 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13023 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
13024 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13025 tp->tg3_flags3 |= TG3_FLG3_5717_PLUS;
13027 /* Intentionally exclude ASIC_REV_5906 */
13028 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13029 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13030 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13031 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13032 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13033 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13034 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS))
13035 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
13037 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13038 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13039 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13040 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13041 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13042 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
13044 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
13045 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
13046 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
13048 /* 5700 B0 chips do not support checksumming correctly due
13049 * to hardware bugs.
13051 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
13052 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
13054 unsigned long features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
13056 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
13057 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
13058 features |= NETIF_F_IPV6_CSUM;
13059 tp->dev->features |= features;
13060 vlan_features_add(tp->dev, features);
13063 /* Determine TSO capabilities */
13064 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
13065 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13066 else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13067 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13068 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13069 else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13070 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13071 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13072 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13073 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13074 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13075 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13076 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13077 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13078 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13079 tp->fw_needed = FIRMWARE_TG3TSO5;
13081 tp->fw_needed = FIRMWARE_TG3TSO;
13086 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13087 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13088 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13089 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13090 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13091 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13092 tp->pdev_peer == tp->pdev))
13093 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13095 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13096 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13097 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
13100 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
13101 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13102 tp->irq_max = TG3_IRQ_MAX_VECS;
13106 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13107 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
13108 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13109 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13110 else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13111 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13112 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13115 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
13116 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13118 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13119 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13120 (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13121 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13123 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13126 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13127 if (tp->pcie_cap != 0) {
13130 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13132 pcie_set_readrq(tp->pdev, 4096);
13134 pci_read_config_word(tp->pdev,
13135 tp->pcie_cap + PCI_EXP_LNKCTL,
13137 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13138 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13139 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13140 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13141 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13142 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13143 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13144 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13145 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13146 tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13148 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13149 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13150 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13151 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13152 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13153 if (!tp->pcix_cap) {
13154 dev_err(&tp->pdev->dev,
13155 "Cannot find PCI-X capability, aborting\n");
13159 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13160 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13163 /* If we have an AMD 762 or VIA K8T800 chipset, write
13164 * reordering to the mailbox registers done by the host
13165 * controller can cause major troubles. We read back from
13166 * every mailbox register write to force the writes to be
13167 * posted to the chip in order.
13169 if (pci_dev_present(write_reorder_chipsets) &&
13170 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13171 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13173 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13174 &tp->pci_cacheline_sz);
13175 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13176 &tp->pci_lat_timer);
13177 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13178 tp->pci_lat_timer < 64) {
13179 tp->pci_lat_timer = 64;
13180 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13181 tp->pci_lat_timer);
13184 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13185 /* 5700 BX chips need to have their TX producer index
13186 * mailboxes written twice to workaround a bug.
13188 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13190 /* If we are in PCI-X mode, enable register write workaround.
13192 * The workaround is to use indirect register accesses
13193 * for all chip writes not to mailbox registers.
13195 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13198 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13200 /* The chip can have it's power management PCI config
13201 * space registers clobbered due to this bug.
13202 * So explicitly force the chip into D0 here.
13204 pci_read_config_dword(tp->pdev,
13205 tp->pm_cap + PCI_PM_CTRL,
13207 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13208 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13209 pci_write_config_dword(tp->pdev,
13210 tp->pm_cap + PCI_PM_CTRL,
13213 /* Also, force SERR#/PERR# in PCI command. */
13214 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13215 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13216 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13220 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13221 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13222 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13223 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13225 /* Chip-specific fixup from Broadcom driver */
13226 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13227 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13228 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13229 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13232 /* Default fast path register access methods */
13233 tp->read32 = tg3_read32;
13234 tp->write32 = tg3_write32;
13235 tp->read32_mbox = tg3_read32;
13236 tp->write32_mbox = tg3_write32;
13237 tp->write32_tx_mbox = tg3_write32;
13238 tp->write32_rx_mbox = tg3_write32;
13240 /* Various workaround register access methods */
13241 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13242 tp->write32 = tg3_write_indirect_reg32;
13243 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13244 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13245 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13247 * Back to back register writes can cause problems on these
13248 * chips, the workaround is to read back all reg writes
13249 * except those to mailbox regs.
13251 * See tg3_write_indirect_reg32().
13253 tp->write32 = tg3_write_flush_reg32;
13256 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13257 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13258 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13259 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13260 tp->write32_rx_mbox = tg3_write_flush_reg32;
13263 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13264 tp->read32 = tg3_read_indirect_reg32;
13265 tp->write32 = tg3_write_indirect_reg32;
13266 tp->read32_mbox = tg3_read_indirect_mbox;
13267 tp->write32_mbox = tg3_write_indirect_mbox;
13268 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13269 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13274 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13275 pci_cmd &= ~PCI_COMMAND_MEMORY;
13276 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13278 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13279 tp->read32_mbox = tg3_read32_mbox_5906;
13280 tp->write32_mbox = tg3_write32_mbox_5906;
13281 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13282 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13285 if (tp->write32 == tg3_write_indirect_reg32 ||
13286 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13287 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13288 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13289 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13291 /* Get eeprom hw config before calling tg3_set_power_state().
13292 * In particular, the TG3_FLG2_IS_NIC flag must be
13293 * determined before calling tg3_set_power_state() so that
13294 * we know whether or not to switch out of Vaux power.
13295 * When the flag is set, it means that GPIO1 is used for eeprom
13296 * write protect and also implies that it is a LOM where GPIOs
13297 * are not used to switch power.
13299 tg3_get_eeprom_hw_cfg(tp);
13301 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13302 /* Allow reads and writes to the
13303 * APE register and memory space.
13305 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13306 PCISTATE_ALLOW_APE_SHMEM_WR |
13307 PCISTATE_ALLOW_APE_PSPACE_WR;
13308 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13312 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13313 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13314 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13315 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13316 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS))
13317 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13319 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13320 * GPIO1 driven high will bring 5700's external PHY out of reset.
13321 * It is also used as eeprom write protect on LOMs.
13323 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13324 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13325 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13326 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13327 GRC_LCLCTRL_GPIO_OUTPUT1);
13328 /* Unused GPIO3 must be driven as output on 5752 because there
13329 * are no pull-up resistors on unused GPIO pins.
13331 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13332 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13334 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13335 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13336 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13337 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13339 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13340 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13341 /* Turn off the debug UART. */
13342 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13343 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13344 /* Keep VMain power. */
13345 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13346 GRC_LCLCTRL_GPIO_OUTPUT0;
13349 /* Force the chip into D0. */
13350 err = tg3_set_power_state(tp, PCI_D0);
13352 dev_err(&tp->pdev->dev, "Transition to D0 failed\n");
13356 /* Derive initial jumbo mode from MTU assigned in
13357 * ether_setup() via the alloc_etherdev() call
13359 if (tp->dev->mtu > ETH_DATA_LEN &&
13360 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13361 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13363 /* Determine WakeOnLan speed to use. */
13364 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13365 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13366 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13367 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13368 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13370 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13373 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13374 tp->phy_flags |= TG3_PHYFLG_IS_FET;
13376 /* A few boards don't want Ethernet@WireSpeed phy feature */
13377 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13378 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13379 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13380 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13381 (tp->phy_flags & TG3_PHYFLG_IS_FET) ||
13382 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
13383 tp->phy_flags |= TG3_PHYFLG_NO_ETH_WIRE_SPEED;
13385 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13386 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13387 tp->phy_flags |= TG3_PHYFLG_ADC_BUG;
13388 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13389 tp->phy_flags |= TG3_PHYFLG_5704_A0_BUG;
13391 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13392 !(tp->phy_flags & TG3_PHYFLG_IS_FET) &&
13393 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13394 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13395 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
13396 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13397 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13398 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13399 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13400 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13401 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13402 tp->phy_flags |= TG3_PHYFLG_JITTER_BUG;
13403 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13404 tp->phy_flags |= TG3_PHYFLG_ADJUST_TRIM;
13406 tp->phy_flags |= TG3_PHYFLG_BER_BUG;
13409 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13410 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13411 tp->phy_otp = tg3_read_otp_phycfg(tp);
13412 if (tp->phy_otp == 0)
13413 tp->phy_otp = TG3_OTP_DEFAULT;
13416 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13417 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13419 tp->mi_mode = MAC_MI_MODE_BASE;
13421 tp->coalesce_mode = 0;
13422 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13423 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13424 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13426 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13427 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13428 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13430 err = tg3_mdio_init(tp);
13434 /* Initialize data/descriptor byte/word swapping. */
13435 val = tr32(GRC_MODE);
13436 val &= GRC_MODE_HOST_STACKUP;
13437 tw32(GRC_MODE, val | tp->grc_mode);
13439 tg3_switch_clocks(tp);
13441 /* Clear this out for sanity. */
13442 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13444 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13446 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13447 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13448 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13450 if (chiprevid == CHIPREV_ID_5701_A0 ||
13451 chiprevid == CHIPREV_ID_5701_B0 ||
13452 chiprevid == CHIPREV_ID_5701_B2 ||
13453 chiprevid == CHIPREV_ID_5701_B5) {
13454 void __iomem *sram_base;
13456 /* Write some dummy words into the SRAM status block
13457 * area, see if it reads back correctly. If the return
13458 * value is bad, force enable the PCIX workaround.
13460 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13462 writel(0x00000000, sram_base);
13463 writel(0x00000000, sram_base + 4);
13464 writel(0xffffffff, sram_base + 4);
13465 if (readl(sram_base) != 0x00000000)
13466 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13471 tg3_nvram_init(tp);
13473 grc_misc_cfg = tr32(GRC_MISC_CFG);
13474 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13476 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13477 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13478 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13479 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13481 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13482 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13483 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13484 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13485 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13486 HOSTCC_MODE_CLRTICK_TXBD);
13488 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13489 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13490 tp->misc_host_ctrl);
13493 /* Preserve the APE MAC_MODE bits */
13494 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13495 tp->mac_mode = tr32(MAC_MODE) |
13496 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13498 tp->mac_mode = TG3_DEF_MAC_MODE;
13500 /* these are limited to 10/100 only */
13501 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13502 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13503 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13504 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13505 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13506 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13507 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13508 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13509 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13510 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13511 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13512 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13513 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13514 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
13515 (tp->phy_flags & TG3_PHYFLG_IS_FET))
13516 tp->phy_flags |= TG3_PHYFLG_10_100_ONLY;
13518 err = tg3_phy_probe(tp);
13520 dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err);
13521 /* ... but do not return immediately ... */
13526 tg3_read_fw_ver(tp);
13528 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
13529 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
13531 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13532 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
13534 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
13537 /* 5700 {AX,BX} chips have a broken status block link
13538 * change bit implementation, so we must use the
13539 * status register in those cases.
13541 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13542 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13544 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13546 /* The led_ctrl is set during tg3_phy_probe, here we might
13547 * have to force the link status polling mechanism based
13548 * upon subsystem IDs.
13550 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13551 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13552 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
13553 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
13554 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13557 /* For all SERDES we poll the MAC status register. */
13558 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
13559 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13561 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13563 tp->rx_offset = NET_IP_ALIGN + TG3_RX_HEADROOM;
13564 tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD;
13565 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13566 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
13567 tp->rx_offset -= NET_IP_ALIGN;
13568 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
13569 tp->rx_copy_thresh = ~(u16)0;
13573 tp->rx_std_max_post = TG3_RX_RING_SIZE;
13575 /* Increment the rx prod index on the rx std ring by at most
13576 * 8 for these chips to workaround hw errata.
13578 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13579 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13580 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13581 tp->rx_std_max_post = 8;
13583 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13584 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13585 PCIE_PWR_MGMT_L1_THRESH_MSK;
13590 #ifdef CONFIG_SPARC
13591 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13593 struct net_device *dev = tp->dev;
13594 struct pci_dev *pdev = tp->pdev;
13595 struct device_node *dp = pci_device_to_OF_node(pdev);
13596 const unsigned char *addr;
13599 addr = of_get_property(dp, "local-mac-address", &len);
13600 if (addr && len == 6) {
13601 memcpy(dev->dev_addr, addr, 6);
13602 memcpy(dev->perm_addr, dev->dev_addr, 6);
13608 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13610 struct net_device *dev = tp->dev;
13612 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13613 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13618 static int __devinit tg3_get_device_address(struct tg3 *tp)
13620 struct net_device *dev = tp->dev;
13621 u32 hi, lo, mac_offset;
13624 #ifdef CONFIG_SPARC
13625 if (!tg3_get_macaddr_sparc(tp))
13630 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13631 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13632 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13634 if (tg3_nvram_lock(tp))
13635 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13637 tg3_nvram_unlock(tp);
13638 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13639 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
13640 if (PCI_FUNC(tp->pdev->devfn) & 1)
13642 if (PCI_FUNC(tp->pdev->devfn) > 1)
13643 mac_offset += 0x18c;
13644 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13647 /* First try to get it from MAC address mailbox. */
13648 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13649 if ((hi >> 16) == 0x484b) {
13650 dev->dev_addr[0] = (hi >> 8) & 0xff;
13651 dev->dev_addr[1] = (hi >> 0) & 0xff;
13653 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13654 dev->dev_addr[2] = (lo >> 24) & 0xff;
13655 dev->dev_addr[3] = (lo >> 16) & 0xff;
13656 dev->dev_addr[4] = (lo >> 8) & 0xff;
13657 dev->dev_addr[5] = (lo >> 0) & 0xff;
13659 /* Some old bootcode may report a 0 MAC address in SRAM */
13660 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13663 /* Next, try NVRAM. */
13664 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13665 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13666 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13667 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13668 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13670 /* Finally just fetch it out of the MAC control regs. */
13672 hi = tr32(MAC_ADDR_0_HIGH);
13673 lo = tr32(MAC_ADDR_0_LOW);
13675 dev->dev_addr[5] = lo & 0xff;
13676 dev->dev_addr[4] = (lo >> 8) & 0xff;
13677 dev->dev_addr[3] = (lo >> 16) & 0xff;
13678 dev->dev_addr[2] = (lo >> 24) & 0xff;
13679 dev->dev_addr[1] = hi & 0xff;
13680 dev->dev_addr[0] = (hi >> 8) & 0xff;
13684 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13685 #ifdef CONFIG_SPARC
13686 if (!tg3_get_default_macaddr_sparc(tp))
13691 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13695 #define BOUNDARY_SINGLE_CACHELINE 1
13696 #define BOUNDARY_MULTI_CACHELINE 2
13698 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13700 int cacheline_size;
13704 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13706 cacheline_size = 1024;
13708 cacheline_size = (int) byte * 4;
13710 /* On 5703 and later chips, the boundary bits have no
13713 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13714 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13715 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13718 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13719 goal = BOUNDARY_MULTI_CACHELINE;
13721 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13722 goal = BOUNDARY_SINGLE_CACHELINE;
13728 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
13729 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13736 /* PCI controllers on most RISC systems tend to disconnect
13737 * when a device tries to burst across a cache-line boundary.
13738 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13740 * Unfortunately, for PCI-E there are only limited
13741 * write-side controls for this, and thus for reads
13742 * we will still get the disconnects. We'll also waste
13743 * these PCI cycles for both read and write for chips
13744 * other than 5700 and 5701 which do not implement the
13747 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13748 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13749 switch (cacheline_size) {
13754 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13755 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13756 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13758 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13759 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13764 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13765 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13769 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13770 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13773 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13774 switch (cacheline_size) {
13778 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13779 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13780 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13786 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13787 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13791 switch (cacheline_size) {
13793 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13794 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13795 DMA_RWCTRL_WRITE_BNDRY_16);
13800 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13801 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13802 DMA_RWCTRL_WRITE_BNDRY_32);
13807 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13808 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13809 DMA_RWCTRL_WRITE_BNDRY_64);
13814 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13815 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13816 DMA_RWCTRL_WRITE_BNDRY_128);
13821 val |= (DMA_RWCTRL_READ_BNDRY_256 |
13822 DMA_RWCTRL_WRITE_BNDRY_256);
13825 val |= (DMA_RWCTRL_READ_BNDRY_512 |
13826 DMA_RWCTRL_WRITE_BNDRY_512);
13830 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13831 DMA_RWCTRL_WRITE_BNDRY_1024);
13840 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13842 struct tg3_internal_buffer_desc test_desc;
13843 u32 sram_dma_descs;
13846 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13848 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13849 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13850 tw32(RDMAC_STATUS, 0);
13851 tw32(WDMAC_STATUS, 0);
13853 tw32(BUFMGR_MODE, 0);
13854 tw32(FTQ_RESET, 0);
13856 test_desc.addr_hi = ((u64) buf_dma) >> 32;
13857 test_desc.addr_lo = buf_dma & 0xffffffff;
13858 test_desc.nic_mbuf = 0x00002100;
13859 test_desc.len = size;
13862 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13863 * the *second* time the tg3 driver was getting loaded after an
13866 * Broadcom tells me:
13867 * ...the DMA engine is connected to the GRC block and a DMA
13868 * reset may affect the GRC block in some unpredictable way...
13869 * The behavior of resets to individual blocks has not been tested.
13871 * Broadcom noted the GRC reset will also reset all sub-components.
13874 test_desc.cqid_sqid = (13 << 8) | 2;
13876 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13879 test_desc.cqid_sqid = (16 << 8) | 7;
13881 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13884 test_desc.flags = 0x00000005;
13886 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13889 val = *(((u32 *)&test_desc) + i);
13890 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13891 sram_dma_descs + (i * sizeof(u32)));
13892 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13894 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13897 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13899 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13902 for (i = 0; i < 40; i++) {
13906 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13908 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13909 if ((val & 0xffff) == sram_dma_descs) {
13920 #define TEST_BUFFER_SIZE 0x2000
13922 static int __devinit tg3_test_dma(struct tg3 *tp)
13924 dma_addr_t buf_dma;
13925 u32 *buf, saved_dma_rwctrl;
13928 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13934 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13935 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13937 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
13939 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
13942 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13943 /* DMA read watermark not used on PCIE */
13944 tp->dma_rwctrl |= 0x00180000;
13945 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
13946 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13947 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
13948 tp->dma_rwctrl |= 0x003f0000;
13950 tp->dma_rwctrl |= 0x003f000f;
13952 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13953 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13954 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
13955 u32 read_water = 0x7;
13957 /* If the 5704 is behind the EPB bridge, we can
13958 * do the less restrictive ONE_DMA workaround for
13959 * better performance.
13961 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13962 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13963 tp->dma_rwctrl |= 0x8000;
13964 else if (ccval == 0x6 || ccval == 0x7)
13965 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13967 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13969 /* Set bit 23 to enable PCIX hw bug fix */
13971 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13972 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13974 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13975 /* 5780 always in PCIX mode */
13976 tp->dma_rwctrl |= 0x00144000;
13977 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13978 /* 5714 always in PCIX mode */
13979 tp->dma_rwctrl |= 0x00148000;
13981 tp->dma_rwctrl |= 0x001b000f;
13985 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13986 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13987 tp->dma_rwctrl &= 0xfffffff0;
13989 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13990 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13991 /* Remove this if it causes problems for some boards. */
13992 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13994 /* On 5700/5701 chips, we need to set this bit.
13995 * Otherwise the chip will issue cacheline transactions
13996 * to streamable DMA memory with not all the byte
13997 * enables turned on. This is an error on several
13998 * RISC PCI controllers, in particular sparc64.
14000 * On 5703/5704 chips, this bit has been reassigned
14001 * a different meaning. In particular, it is used
14002 * on those chips to enable a PCI-X workaround.
14004 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
14007 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14010 /* Unneeded, already done by tg3_get_invariants. */
14011 tg3_switch_clocks(tp);
14014 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
14015 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
14018 /* It is best to perform DMA test with maximum write burst size
14019 * to expose the 5700/5701 write DMA bug.
14021 saved_dma_rwctrl = tp->dma_rwctrl;
14022 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14023 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14028 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
14031 /* Send the buffer to the chip. */
14032 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
14034 dev_err(&tp->pdev->dev,
14035 "%s: Buffer write failed. err = %d\n",
14041 /* validate data reached card RAM correctly. */
14042 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14044 tg3_read_mem(tp, 0x2100 + (i*4), &val);
14045 if (le32_to_cpu(val) != p[i]) {
14046 dev_err(&tp->pdev->dev,
14047 "%s: Buffer corrupted on device! "
14048 "(%d != %d)\n", __func__, val, i);
14049 /* ret = -ENODEV here? */
14054 /* Now read it back. */
14055 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
14057 dev_err(&tp->pdev->dev, "%s: Buffer read failed. "
14058 "err = %d\n", __func__, ret);
14063 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14067 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14068 DMA_RWCTRL_WRITE_BNDRY_16) {
14069 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14070 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14071 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14074 dev_err(&tp->pdev->dev,
14075 "%s: Buffer corrupted on read back! "
14076 "(%d != %d)\n", __func__, p[i], i);
14082 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14088 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14089 DMA_RWCTRL_WRITE_BNDRY_16) {
14090 static struct pci_device_id dma_wait_state_chipsets[] = {
14091 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14092 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14096 /* DMA test passed without adjusting DMA boundary,
14097 * now look for chipsets that are known to expose the
14098 * DMA bug without failing the test.
14100 if (pci_dev_present(dma_wait_state_chipsets)) {
14101 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14102 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14104 /* Safe to use the calculated DMA boundary. */
14105 tp->dma_rwctrl = saved_dma_rwctrl;
14108 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14112 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14117 static void __devinit tg3_init_link_config(struct tg3 *tp)
14119 tp->link_config.advertising =
14120 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14121 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14122 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14123 ADVERTISED_Autoneg | ADVERTISED_MII);
14124 tp->link_config.speed = SPEED_INVALID;
14125 tp->link_config.duplex = DUPLEX_INVALID;
14126 tp->link_config.autoneg = AUTONEG_ENABLE;
14127 tp->link_config.active_speed = SPEED_INVALID;
14128 tp->link_config.active_duplex = DUPLEX_INVALID;
14129 tp->link_config.orig_speed = SPEED_INVALID;
14130 tp->link_config.orig_duplex = DUPLEX_INVALID;
14131 tp->link_config.orig_autoneg = AUTONEG_INVALID;
14134 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14136 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
14137 tp->bufmgr_config.mbuf_read_dma_low_water =
14138 DEFAULT_MB_RDMA_LOW_WATER_5705;
14139 tp->bufmgr_config.mbuf_mac_rx_low_water =
14140 DEFAULT_MB_MACRX_LOW_WATER_57765;
14141 tp->bufmgr_config.mbuf_high_water =
14142 DEFAULT_MB_HIGH_WATER_57765;
14144 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14145 DEFAULT_MB_RDMA_LOW_WATER_5705;
14146 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14147 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14148 tp->bufmgr_config.mbuf_high_water_jumbo =
14149 DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14150 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14151 tp->bufmgr_config.mbuf_read_dma_low_water =
14152 DEFAULT_MB_RDMA_LOW_WATER_5705;
14153 tp->bufmgr_config.mbuf_mac_rx_low_water =
14154 DEFAULT_MB_MACRX_LOW_WATER_5705;
14155 tp->bufmgr_config.mbuf_high_water =
14156 DEFAULT_MB_HIGH_WATER_5705;
14157 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14158 tp->bufmgr_config.mbuf_mac_rx_low_water =
14159 DEFAULT_MB_MACRX_LOW_WATER_5906;
14160 tp->bufmgr_config.mbuf_high_water =
14161 DEFAULT_MB_HIGH_WATER_5906;
14164 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14165 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14166 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14167 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14168 tp->bufmgr_config.mbuf_high_water_jumbo =
14169 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14171 tp->bufmgr_config.mbuf_read_dma_low_water =
14172 DEFAULT_MB_RDMA_LOW_WATER;
14173 tp->bufmgr_config.mbuf_mac_rx_low_water =
14174 DEFAULT_MB_MACRX_LOW_WATER;
14175 tp->bufmgr_config.mbuf_high_water =
14176 DEFAULT_MB_HIGH_WATER;
14178 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14179 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14180 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14181 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14182 tp->bufmgr_config.mbuf_high_water_jumbo =
14183 DEFAULT_MB_HIGH_WATER_JUMBO;
14186 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14187 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14190 static char * __devinit tg3_phy_string(struct tg3 *tp)
14192 switch (tp->phy_id & TG3_PHY_ID_MASK) {
14193 case TG3_PHY_ID_BCM5400: return "5400";
14194 case TG3_PHY_ID_BCM5401: return "5401";
14195 case TG3_PHY_ID_BCM5411: return "5411";
14196 case TG3_PHY_ID_BCM5701: return "5701";
14197 case TG3_PHY_ID_BCM5703: return "5703";
14198 case TG3_PHY_ID_BCM5704: return "5704";
14199 case TG3_PHY_ID_BCM5705: return "5705";
14200 case TG3_PHY_ID_BCM5750: return "5750";
14201 case TG3_PHY_ID_BCM5752: return "5752";
14202 case TG3_PHY_ID_BCM5714: return "5714";
14203 case TG3_PHY_ID_BCM5780: return "5780";
14204 case TG3_PHY_ID_BCM5755: return "5755";
14205 case TG3_PHY_ID_BCM5787: return "5787";
14206 case TG3_PHY_ID_BCM5784: return "5784";
14207 case TG3_PHY_ID_BCM5756: return "5722/5756";
14208 case TG3_PHY_ID_BCM5906: return "5906";
14209 case TG3_PHY_ID_BCM5761: return "5761";
14210 case TG3_PHY_ID_BCM5718C: return "5718C";
14211 case TG3_PHY_ID_BCM5718S: return "5718S";
14212 case TG3_PHY_ID_BCM57765: return "57765";
14213 case TG3_PHY_ID_BCM5719C: return "5719C";
14214 case TG3_PHY_ID_BCM8002: return "8002/serdes";
14215 case 0: return "serdes";
14216 default: return "unknown";
14220 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14222 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14223 strcpy(str, "PCI Express");
14225 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14226 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14228 strcpy(str, "PCIX:");
14230 if ((clock_ctrl == 7) ||
14231 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14232 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14233 strcat(str, "133MHz");
14234 else if (clock_ctrl == 0)
14235 strcat(str, "33MHz");
14236 else if (clock_ctrl == 2)
14237 strcat(str, "50MHz");
14238 else if (clock_ctrl == 4)
14239 strcat(str, "66MHz");
14240 else if (clock_ctrl == 6)
14241 strcat(str, "100MHz");
14243 strcpy(str, "PCI:");
14244 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14245 strcat(str, "66MHz");
14247 strcat(str, "33MHz");
14249 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14250 strcat(str, ":32-bit");
14252 strcat(str, ":64-bit");
14256 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14258 struct pci_dev *peer;
14259 unsigned int func, devnr = tp->pdev->devfn & ~7;
14261 for (func = 0; func < 8; func++) {
14262 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14263 if (peer && peer != tp->pdev)
14267 /* 5704 can be configured in single-port mode, set peer to
14268 * tp->pdev in that case.
14276 * We don't need to keep the refcount elevated; there's no way
14277 * to remove one half of this device without removing the other
14284 static void __devinit tg3_init_coal(struct tg3 *tp)
14286 struct ethtool_coalesce *ec = &tp->coal;
14288 memset(ec, 0, sizeof(*ec));
14289 ec->cmd = ETHTOOL_GCOALESCE;
14290 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14291 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14292 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14293 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14294 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14295 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14296 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14297 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14298 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14300 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14301 HOSTCC_MODE_CLRTICK_TXBD)) {
14302 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14303 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14304 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14305 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14308 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14309 ec->rx_coalesce_usecs_irq = 0;
14310 ec->tx_coalesce_usecs_irq = 0;
14311 ec->stats_block_coalesce_usecs = 0;
14315 static const struct net_device_ops tg3_netdev_ops = {
14316 .ndo_open = tg3_open,
14317 .ndo_stop = tg3_close,
14318 .ndo_start_xmit = tg3_start_xmit,
14319 .ndo_get_stats64 = tg3_get_stats64,
14320 .ndo_validate_addr = eth_validate_addr,
14321 .ndo_set_multicast_list = tg3_set_rx_mode,
14322 .ndo_set_mac_address = tg3_set_mac_addr,
14323 .ndo_do_ioctl = tg3_ioctl,
14324 .ndo_tx_timeout = tg3_tx_timeout,
14325 .ndo_change_mtu = tg3_change_mtu,
14326 #if TG3_VLAN_TAG_USED
14327 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14329 #ifdef CONFIG_NET_POLL_CONTROLLER
14330 .ndo_poll_controller = tg3_poll_controller,
14334 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14335 .ndo_open = tg3_open,
14336 .ndo_stop = tg3_close,
14337 .ndo_start_xmit = tg3_start_xmit_dma_bug,
14338 .ndo_get_stats64 = tg3_get_stats64,
14339 .ndo_validate_addr = eth_validate_addr,
14340 .ndo_set_multicast_list = tg3_set_rx_mode,
14341 .ndo_set_mac_address = tg3_set_mac_addr,
14342 .ndo_do_ioctl = tg3_ioctl,
14343 .ndo_tx_timeout = tg3_tx_timeout,
14344 .ndo_change_mtu = tg3_change_mtu,
14345 #if TG3_VLAN_TAG_USED
14346 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14348 #ifdef CONFIG_NET_POLL_CONTROLLER
14349 .ndo_poll_controller = tg3_poll_controller,
14353 static int __devinit tg3_init_one(struct pci_dev *pdev,
14354 const struct pci_device_id *ent)
14356 struct net_device *dev;
14358 int i, err, pm_cap;
14359 u32 sndmbx, rcvmbx, intmbx;
14361 u64 dma_mask, persist_dma_mask;
14363 printk_once(KERN_INFO "%s\n", version);
14365 err = pci_enable_device(pdev);
14367 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
14371 err = pci_request_regions(pdev, DRV_MODULE_NAME);
14373 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
14374 goto err_out_disable_pdev;
14377 pci_set_master(pdev);
14379 /* Find power-management capability. */
14380 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14382 dev_err(&pdev->dev,
14383 "Cannot find Power Management capability, aborting\n");
14385 goto err_out_free_res;
14388 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14390 dev_err(&pdev->dev, "Etherdev alloc failed, aborting\n");
14392 goto err_out_free_res;
14395 SET_NETDEV_DEV(dev, &pdev->dev);
14397 #if TG3_VLAN_TAG_USED
14398 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14401 tp = netdev_priv(dev);
14404 tp->pm_cap = pm_cap;
14405 tp->rx_mode = TG3_DEF_RX_MODE;
14406 tp->tx_mode = TG3_DEF_TX_MODE;
14409 tp->msg_enable = tg3_debug;
14411 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14413 /* The word/byte swap controls here control register access byte
14414 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14417 tp->misc_host_ctrl =
14418 MISC_HOST_CTRL_MASK_PCI_INT |
14419 MISC_HOST_CTRL_WORD_SWAP |
14420 MISC_HOST_CTRL_INDIR_ACCESS |
14421 MISC_HOST_CTRL_PCISTATE_RW;
14423 /* The NONFRM (non-frame) byte/word swap controls take effect
14424 * on descriptor entries, anything which isn't packet data.
14426 * The StrongARM chips on the board (one for tx, one for rx)
14427 * are running in big-endian mode.
14429 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14430 GRC_MODE_WSWAP_NONFRM_DATA);
14431 #ifdef __BIG_ENDIAN
14432 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14434 spin_lock_init(&tp->lock);
14435 spin_lock_init(&tp->indirect_lock);
14436 INIT_WORK(&tp->reset_task, tg3_reset_task);
14438 tp->regs = pci_ioremap_bar(pdev, BAR_0);
14440 dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
14442 goto err_out_free_dev;
14445 tg3_init_link_config(tp);
14447 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14448 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14450 dev->ethtool_ops = &tg3_ethtool_ops;
14451 dev->watchdog_timeo = TG3_TX_TIMEOUT;
14452 dev->irq = pdev->irq;
14454 err = tg3_get_invariants(tp);
14456 dev_err(&pdev->dev,
14457 "Problem fetching invariants of chip, aborting\n");
14458 goto err_out_iounmap;
14461 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14462 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
14463 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719)
14464 dev->netdev_ops = &tg3_netdev_ops;
14466 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14469 /* The EPB bridge inside 5714, 5715, and 5780 and any
14470 * device behind the EPB cannot support DMA addresses > 40-bit.
14471 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14472 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14473 * do DMA address check in tg3_start_xmit().
14475 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14476 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14477 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14478 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14479 #ifdef CONFIG_HIGHMEM
14480 dma_mask = DMA_BIT_MASK(64);
14483 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14485 /* Configure DMA attributes. */
14486 if (dma_mask > DMA_BIT_MASK(32)) {
14487 err = pci_set_dma_mask(pdev, dma_mask);
14489 dev->features |= NETIF_F_HIGHDMA;
14490 err = pci_set_consistent_dma_mask(pdev,
14493 dev_err(&pdev->dev, "Unable to obtain 64 bit "
14494 "DMA for consistent allocations\n");
14495 goto err_out_iounmap;
14499 if (err || dma_mask == DMA_BIT_MASK(32)) {
14500 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14502 dev_err(&pdev->dev,
14503 "No usable DMA configuration, aborting\n");
14504 goto err_out_iounmap;
14508 tg3_init_bufmgr_config(tp);
14510 /* Selectively allow TSO based on operating conditions */
14511 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14512 (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14513 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14515 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14516 tp->fw_needed = NULL;
14519 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14520 tp->fw_needed = FIRMWARE_TG3;
14522 /* TSO is on by default on chips that support hardware TSO.
14523 * Firmware TSO on older chips gives lower performance, so it
14524 * is off by default, but can be enabled using ethtool.
14526 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14527 (dev->features & NETIF_F_IP_CSUM)) {
14528 dev->features |= NETIF_F_TSO;
14529 vlan_features_add(dev, NETIF_F_TSO);
14531 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14532 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14533 if (dev->features & NETIF_F_IPV6_CSUM) {
14534 dev->features |= NETIF_F_TSO6;
14535 vlan_features_add(dev, NETIF_F_TSO6);
14537 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14538 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14539 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14540 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14541 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14542 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
14543 dev->features |= NETIF_F_TSO_ECN;
14544 vlan_features_add(dev, NETIF_F_TSO_ECN);
14548 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14549 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14550 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14551 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14552 tp->rx_pending = 63;
14555 err = tg3_get_device_address(tp);
14557 dev_err(&pdev->dev,
14558 "Could not obtain valid ethernet address, aborting\n");
14559 goto err_out_iounmap;
14562 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14563 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14564 if (!tp->aperegs) {
14565 dev_err(&pdev->dev,
14566 "Cannot map APE registers, aborting\n");
14568 goto err_out_iounmap;
14571 tg3_ape_lock_init(tp);
14573 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14574 tg3_read_dash_ver(tp);
14578 * Reset chip in case UNDI or EFI driver did not shutdown
14579 * DMA self test will enable WDMAC and we'll see (spurious)
14580 * pending DMA on the PCI bus at that point.
14582 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14583 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14584 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14585 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14588 err = tg3_test_dma(tp);
14590 dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
14591 goto err_out_apeunmap;
14594 /* flow control autonegotiation is default behavior */
14595 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14596 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14598 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14599 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14600 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14601 for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14602 struct tg3_napi *tnapi = &tp->napi[i];
14605 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14607 tnapi->int_mbox = intmbx;
14613 tnapi->consmbox = rcvmbx;
14614 tnapi->prodmbox = sndmbx;
14617 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14618 netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14620 tnapi->coal_now = HOSTCC_MODE_NOW;
14621 netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14624 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14628 * If we support MSIX, we'll be using RSS. If we're using
14629 * RSS, the first vector only handles link interrupts and the
14630 * remaining vectors handle rx and tx interrupts. Reuse the
14631 * mailbox values for the next iteration. The values we setup
14632 * above are still useful for the single vectored mode.
14647 pci_set_drvdata(pdev, dev);
14649 err = register_netdev(dev);
14651 dev_err(&pdev->dev, "Cannot register net device, aborting\n");
14652 goto err_out_apeunmap;
14655 netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14656 tp->board_part_number,
14657 tp->pci_chip_rev_id,
14658 tg3_bus_string(tp, str),
14661 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
14662 struct phy_device *phydev;
14663 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14665 "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14666 phydev->drv->name, dev_name(&phydev->dev));
14670 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
14671 ethtype = "10/100Base-TX";
14672 else if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
14673 ethtype = "1000Base-SX";
14675 ethtype = "10/100/1000Base-T";
14677 netdev_info(dev, "attached PHY is %s (%s Ethernet) "
14678 "(WireSpeed[%d])\n", tg3_phy_string(tp), ethtype,
14679 (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) == 0);
14682 netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14683 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14684 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14685 (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0,
14686 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14687 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14688 netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14690 pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
14691 ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
14697 iounmap(tp->aperegs);
14698 tp->aperegs = NULL;
14711 pci_release_regions(pdev);
14713 err_out_disable_pdev:
14714 pci_disable_device(pdev);
14715 pci_set_drvdata(pdev, NULL);
14719 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14721 struct net_device *dev = pci_get_drvdata(pdev);
14724 struct tg3 *tp = netdev_priv(dev);
14727 release_firmware(tp->fw);
14729 flush_scheduled_work();
14731 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14736 unregister_netdev(dev);
14738 iounmap(tp->aperegs);
14739 tp->aperegs = NULL;
14746 pci_release_regions(pdev);
14747 pci_disable_device(pdev);
14748 pci_set_drvdata(pdev, NULL);
14752 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14754 struct net_device *dev = pci_get_drvdata(pdev);
14755 struct tg3 *tp = netdev_priv(dev);
14756 pci_power_t target_state;
14759 /* PCI register 4 needs to be saved whether netif_running() or not.
14760 * MSI address and data need to be saved if using MSI and
14763 pci_save_state(pdev);
14765 if (!netif_running(dev))
14768 flush_scheduled_work();
14770 tg3_netif_stop(tp);
14772 del_timer_sync(&tp->timer);
14774 tg3_full_lock(tp, 1);
14775 tg3_disable_ints(tp);
14776 tg3_full_unlock(tp);
14778 netif_device_detach(dev);
14780 tg3_full_lock(tp, 0);
14781 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14782 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14783 tg3_full_unlock(tp);
14785 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14787 err = tg3_set_power_state(tp, target_state);
14791 tg3_full_lock(tp, 0);
14793 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14794 err2 = tg3_restart_hw(tp, 1);
14798 tp->timer.expires = jiffies + tp->timer_offset;
14799 add_timer(&tp->timer);
14801 netif_device_attach(dev);
14802 tg3_netif_start(tp);
14805 tg3_full_unlock(tp);
14814 static int tg3_resume(struct pci_dev *pdev)
14816 struct net_device *dev = pci_get_drvdata(pdev);
14817 struct tg3 *tp = netdev_priv(dev);
14820 pci_restore_state(tp->pdev);
14822 if (!netif_running(dev))
14825 err = tg3_set_power_state(tp, PCI_D0);
14829 netif_device_attach(dev);
14831 tg3_full_lock(tp, 0);
14833 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14834 err = tg3_restart_hw(tp, 1);
14838 tp->timer.expires = jiffies + tp->timer_offset;
14839 add_timer(&tp->timer);
14841 tg3_netif_start(tp);
14844 tg3_full_unlock(tp);
14852 static struct pci_driver tg3_driver = {
14853 .name = DRV_MODULE_NAME,
14854 .id_table = tg3_pci_tbl,
14855 .probe = tg3_init_one,
14856 .remove = __devexit_p(tg3_remove_one),
14857 .suspend = tg3_suspend,
14858 .resume = tg3_resume
14861 static int __init tg3_init(void)
14863 return pci_register_driver(&tg3_driver);
14866 static void __exit tg3_cleanup(void)
14868 pci_unregister_driver(&tg3_driver);
14871 module_init(tg3_init);
14872 module_exit(tg3_cleanup);