diff options
author | Jay Cliburn <jacliburn@bellsouth.net> | 2008-02-02 20:50:12 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2008-03-17 07:49:25 -0400 |
commit | 6446a860f8b72b6a7b6722b3e30c4b00d6f99967 (patch) | |
tree | c561e903e498ee537d541b9af9fdf89aca1294a3 /drivers/net/atlx/atl1.c | |
parent | 0dde4ef99dcbf221bce6c0a5c3c3e4cdfea0b370 (diff) |
atl1: reduce forward declarations
Rearrange functions to allow removal of some forward declarations.
Make certain global functions static along the way.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Acked-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/atlx/atl1.c')
-rw-r--r-- | drivers/net/atlx/atl1.c | 1406 |
1 files changed, 703 insertions, 703 deletions
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 6f4a1d5376bc..240db847e129 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c | |||
@@ -108,6 +108,709 @@ module_param(debug, int, 0); | |||
108 | MODULE_PARM_DESC(debug, "Message level (0=none,...,16=all)"); | 108 | MODULE_PARM_DESC(debug, "Message level (0=none,...,16=all)"); |
109 | 109 | ||
110 | /* | 110 | /* |
111 | * Reset the transmit and receive units; mask and clear all interrupts. | ||
112 | * hw - Struct containing variables accessed by shared code | ||
113 | * return : 0 or idle status (if error) | ||
114 | */ | ||
115 | static s32 atl1_reset_hw(struct atl1_hw *hw) | ||
116 | { | ||
117 | struct pci_dev *pdev = hw->back->pdev; | ||
118 | struct atl1_adapter *adapter = hw->back; | ||
119 | u32 icr; | ||
120 | int i; | ||
121 | |||
122 | /* | ||
123 | * Clear Interrupt mask to stop board from generating | ||
124 | * interrupts & Clear any pending interrupt events | ||
125 | */ | ||
126 | /* | ||
127 | * iowrite32(0, hw->hw_addr + REG_IMR); | ||
128 | * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); | ||
129 | */ | ||
130 | |||
131 | /* | ||
132 | * Issue Soft Reset to the MAC. This will reset the chip's | ||
133 | * transmit, receive, DMA. It will not effect | ||
134 | * the current PCI configuration. The global reset bit is self- | ||
135 | * clearing, and should clear within a microsecond. | ||
136 | */ | ||
137 | iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); | ||
138 | ioread32(hw->hw_addr + REG_MASTER_CTRL); | ||
139 | |||
140 | iowrite16(1, hw->hw_addr + REG_PHY_ENABLE); | ||
141 | ioread16(hw->hw_addr + REG_PHY_ENABLE); | ||
142 | |||
143 | /* delay about 1ms */ | ||
144 | msleep(1); | ||
145 | |||
146 | /* Wait at least 10ms for All module to be Idle */ | ||
147 | for (i = 0; i < 10; i++) { | ||
148 | icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); | ||
149 | if (!icr) | ||
150 | break; | ||
151 | /* delay 1 ms */ | ||
152 | msleep(1); | ||
153 | /* FIXME: still the right way to do this? */ | ||
154 | cpu_relax(); | ||
155 | } | ||
156 | |||
157 | if (icr) { | ||
158 | if (netif_msg_hw(adapter)) | ||
159 | dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); | ||
160 | return icr; | ||
161 | } | ||
162 | |||
163 | return 0; | ||
164 | } | ||
165 | |||
166 | /* function about EEPROM | ||
167 | * | ||
168 | * check_eeprom_exist | ||
169 | * return 0 if eeprom exist | ||
170 | */ | ||
171 | static int atl1_check_eeprom_exist(struct atl1_hw *hw) | ||
172 | { | ||
173 | u32 value; | ||
174 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
175 | if (value & SPI_FLASH_CTRL_EN_VPD) { | ||
176 | value &= ~SPI_FLASH_CTRL_EN_VPD; | ||
177 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
178 | } | ||
179 | |||
180 | value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); | ||
181 | return ((value & 0xFF00) == 0x6C00) ? 0 : 1; | ||
182 | } | ||
183 | |||
184 | static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) | ||
185 | { | ||
186 | int i; | ||
187 | u32 control; | ||
188 | |||
189 | if (offset & 3) | ||
190 | /* address do not align */ | ||
191 | return false; | ||
192 | |||
193 | iowrite32(0, hw->hw_addr + REG_VPD_DATA); | ||
194 | control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; | ||
195 | iowrite32(control, hw->hw_addr + REG_VPD_CAP); | ||
196 | ioread32(hw->hw_addr + REG_VPD_CAP); | ||
197 | |||
198 | for (i = 0; i < 10; i++) { | ||
199 | msleep(2); | ||
200 | control = ioread32(hw->hw_addr + REG_VPD_CAP); | ||
201 | if (control & VPD_CAP_VPD_FLAG) | ||
202 | break; | ||
203 | } | ||
204 | if (control & VPD_CAP_VPD_FLAG) { | ||
205 | *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); | ||
206 | return true; | ||
207 | } | ||
208 | /* timeout */ | ||
209 | return false; | ||
210 | } | ||
211 | |||
212 | /* | ||
213 | * Reads the value from a PHY register | ||
214 | * hw - Struct containing variables accessed by shared code | ||
215 | * reg_addr - address of the PHY register to read | ||
216 | */ | ||
217 | s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) | ||
218 | { | ||
219 | u32 val; | ||
220 | int i; | ||
221 | |||
222 | val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | | ||
223 | MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << | ||
224 | MDIO_CLK_SEL_SHIFT; | ||
225 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
226 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
227 | |||
228 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
229 | udelay(2); | ||
230 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
231 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
232 | break; | ||
233 | } | ||
234 | if (!(val & (MDIO_START | MDIO_BUSY))) { | ||
235 | *phy_data = (u16) val; | ||
236 | return 0; | ||
237 | } | ||
238 | return ATLX_ERR_PHY; | ||
239 | } | ||
240 | |||
241 | #define CUSTOM_SPI_CS_SETUP 2 | ||
242 | #define CUSTOM_SPI_CLK_HI 2 | ||
243 | #define CUSTOM_SPI_CLK_LO 2 | ||
244 | #define CUSTOM_SPI_CS_HOLD 2 | ||
245 | #define CUSTOM_SPI_CS_HI 3 | ||
246 | |||
247 | static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) | ||
248 | { | ||
249 | int i; | ||
250 | u32 value; | ||
251 | |||
252 | iowrite32(0, hw->hw_addr + REG_SPI_DATA); | ||
253 | iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); | ||
254 | |||
255 | value = SPI_FLASH_CTRL_WAIT_READY | | ||
256 | (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << | ||
257 | SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & | ||
258 | SPI_FLASH_CTRL_CLK_HI_MASK) << | ||
259 | SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & | ||
260 | SPI_FLASH_CTRL_CLK_LO_MASK) << | ||
261 | SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & | ||
262 | SPI_FLASH_CTRL_CS_HOLD_MASK) << | ||
263 | SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & | ||
264 | SPI_FLASH_CTRL_CS_HI_MASK) << | ||
265 | SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << | ||
266 | SPI_FLASH_CTRL_INS_SHIFT; | ||
267 | |||
268 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
269 | |||
270 | value |= SPI_FLASH_CTRL_START; | ||
271 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
272 | ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
273 | |||
274 | for (i = 0; i < 10; i++) { | ||
275 | msleep(1); | ||
276 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
277 | if (!(value & SPI_FLASH_CTRL_START)) | ||
278 | break; | ||
279 | } | ||
280 | |||
281 | if (value & SPI_FLASH_CTRL_START) | ||
282 | return false; | ||
283 | |||
284 | *buf = ioread32(hw->hw_addr + REG_SPI_DATA); | ||
285 | |||
286 | return true; | ||
287 | } | ||
288 | |||
289 | /* | ||
290 | * get_permanent_address | ||
291 | * return 0 if get valid mac address, | ||
292 | */ | ||
293 | static int atl1_get_permanent_address(struct atl1_hw *hw) | ||
294 | { | ||
295 | u32 addr[2]; | ||
296 | u32 i, control; | ||
297 | u16 reg; | ||
298 | u8 eth_addr[ETH_ALEN]; | ||
299 | bool key_valid; | ||
300 | |||
301 | if (is_valid_ether_addr(hw->perm_mac_addr)) | ||
302 | return 0; | ||
303 | |||
304 | /* init */ | ||
305 | addr[0] = addr[1] = 0; | ||
306 | |||
307 | if (!atl1_check_eeprom_exist(hw)) { | ||
308 | reg = 0; | ||
309 | key_valid = false; | ||
310 | /* Read out all EEPROM content */ | ||
311 | i = 0; | ||
312 | while (1) { | ||
313 | if (atl1_read_eeprom(hw, i + 0x100, &control)) { | ||
314 | if (key_valid) { | ||
315 | if (reg == REG_MAC_STA_ADDR) | ||
316 | addr[0] = control; | ||
317 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
318 | addr[1] = control; | ||
319 | key_valid = false; | ||
320 | } else if ((control & 0xff) == 0x5A) { | ||
321 | key_valid = true; | ||
322 | reg = (u16) (control >> 16); | ||
323 | } else | ||
324 | break; | ||
325 | } else | ||
326 | /* read error */ | ||
327 | break; | ||
328 | i += 4; | ||
329 | } | ||
330 | |||
331 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
332 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
333 | if (is_valid_ether_addr(eth_addr)) { | ||
334 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
335 | return 0; | ||
336 | } | ||
337 | return 1; | ||
338 | } | ||
339 | |||
340 | /* see if SPI FLAGS exist ? */ | ||
341 | addr[0] = addr[1] = 0; | ||
342 | reg = 0; | ||
343 | key_valid = false; | ||
344 | i = 0; | ||
345 | while (1) { | ||
346 | if (atl1_spi_read(hw, i + 0x1f000, &control)) { | ||
347 | if (key_valid) { | ||
348 | if (reg == REG_MAC_STA_ADDR) | ||
349 | addr[0] = control; | ||
350 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
351 | addr[1] = control; | ||
352 | key_valid = false; | ||
353 | } else if ((control & 0xff) == 0x5A) { | ||
354 | key_valid = true; | ||
355 | reg = (u16) (control >> 16); | ||
356 | } else | ||
357 | /* data end */ | ||
358 | break; | ||
359 | } else | ||
360 | /* read error */ | ||
361 | break; | ||
362 | i += 4; | ||
363 | } | ||
364 | |||
365 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
366 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
367 | if (is_valid_ether_addr(eth_addr)) { | ||
368 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
369 | return 0; | ||
370 | } | ||
371 | |||
372 | /* | ||
373 | * On some motherboards, the MAC address is written by the | ||
374 | * BIOS directly to the MAC register during POST, and is | ||
375 | * not stored in eeprom. If all else thus far has failed | ||
376 | * to fetch the permanent MAC address, try reading it directly. | ||
377 | */ | ||
378 | addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); | ||
379 | addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); | ||
380 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
381 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
382 | if (is_valid_ether_addr(eth_addr)) { | ||
383 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
384 | return 0; | ||
385 | } | ||
386 | |||
387 | return 1; | ||
388 | } | ||
389 | |||
390 | /* | ||
391 | * Reads the adapter's MAC address from the EEPROM | ||
392 | * hw - Struct containing variables accessed by shared code | ||
393 | */ | ||
394 | s32 atl1_read_mac_addr(struct atl1_hw *hw) | ||
395 | { | ||
396 | u16 i; | ||
397 | |||
398 | if (atl1_get_permanent_address(hw)) | ||
399 | random_ether_addr(hw->perm_mac_addr); | ||
400 | |||
401 | for (i = 0; i < ETH_ALEN; i++) | ||
402 | hw->mac_addr[i] = hw->perm_mac_addr[i]; | ||
403 | return 0; | ||
404 | } | ||
405 | |||
406 | /* | ||
407 | * Hashes an address to determine its location in the multicast table | ||
408 | * hw - Struct containing variables accessed by shared code | ||
409 | * mc_addr - the multicast address to hash | ||
410 | * | ||
411 | * atl1_hash_mc_addr | ||
412 | * purpose | ||
413 | * set hash value for a multicast address | ||
414 | * hash calcu processing : | ||
415 | * 1. calcu 32bit CRC for multicast address | ||
416 | * 2. reverse crc with MSB to LSB | ||
417 | */ | ||
418 | u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) | ||
419 | { | ||
420 | u32 crc32, value = 0; | ||
421 | int i; | ||
422 | |||
423 | crc32 = ether_crc_le(6, mc_addr); | ||
424 | for (i = 0; i < 32; i++) | ||
425 | value |= (((crc32 >> i) & 1) << (31 - i)); | ||
426 | |||
427 | return value; | ||
428 | } | ||
429 | |||
430 | /* | ||
431 | * Sets the bit in the multicast table corresponding to the hash value. | ||
432 | * hw - Struct containing variables accessed by shared code | ||
433 | * hash_value - Multicast address hash value | ||
434 | */ | ||
435 | void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) | ||
436 | { | ||
437 | u32 hash_bit, hash_reg; | ||
438 | u32 mta; | ||
439 | |||
440 | /* | ||
441 | * The HASH Table is a register array of 2 32-bit registers. | ||
442 | * It is treated like an array of 64 bits. We want to set | ||
443 | * bit BitArray[hash_value]. So we figure out what register | ||
444 | * the bit is in, read it, OR in the new bit, then write | ||
445 | * back the new value. The register is determined by the | ||
446 | * upper 7 bits of the hash value and the bit within that | ||
447 | * register are determined by the lower 5 bits of the value. | ||
448 | */ | ||
449 | hash_reg = (hash_value >> 31) & 0x1; | ||
450 | hash_bit = (hash_value >> 26) & 0x1F; | ||
451 | mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
452 | mta |= (1 << hash_bit); | ||
453 | iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
454 | } | ||
455 | |||
456 | /* | ||
457 | * Writes a value to a PHY register | ||
458 | * hw - Struct containing variables accessed by shared code | ||
459 | * reg_addr - address of the PHY register to write | ||
460 | * data - data to write to the PHY | ||
461 | */ | ||
462 | static s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) | ||
463 | { | ||
464 | int i; | ||
465 | u32 val; | ||
466 | |||
467 | val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | | ||
468 | (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | | ||
469 | MDIO_SUP_PREAMBLE | | ||
470 | MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; | ||
471 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
472 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
473 | |||
474 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
475 | udelay(2); | ||
476 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
477 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
478 | break; | ||
479 | } | ||
480 | |||
481 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
482 | return 0; | ||
483 | |||
484 | return ATLX_ERR_PHY; | ||
485 | } | ||
486 | |||
487 | /* | ||
488 | * Make L001's PHY out of Power Saving State (bug) | ||
489 | * hw - Struct containing variables accessed by shared code | ||
490 | * when power on, L001's PHY always on Power saving State | ||
491 | * (Gigabit Link forbidden) | ||
492 | */ | ||
493 | static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) | ||
494 | { | ||
495 | s32 ret; | ||
496 | ret = atl1_write_phy_reg(hw, 29, 0x0029); | ||
497 | if (ret) | ||
498 | return ret; | ||
499 | return atl1_write_phy_reg(hw, 30, 0); | ||
500 | } | ||
501 | |||
502 | /* | ||
503 | *TODO: do something or get rid of this | ||
504 | */ | ||
505 | static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw) | ||
506 | { | ||
507 | /* s32 ret_val; | ||
508 | * u16 phy_data; | ||
509 | */ | ||
510 | |||
511 | /* | ||
512 | ret_val = atl1_write_phy_reg(hw, ...); | ||
513 | ret_val = atl1_write_phy_reg(hw, ...); | ||
514 | .... | ||
515 | */ | ||
516 | return 0; | ||
517 | } | ||
518 | |||
519 | /* | ||
520 | * Resets the PHY and make all config validate | ||
521 | * hw - Struct containing variables accessed by shared code | ||
522 | * | ||
523 | * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) | ||
524 | */ | ||
525 | static s32 atl1_phy_reset(struct atl1_hw *hw) | ||
526 | { | ||
527 | struct pci_dev *pdev = hw->back->pdev; | ||
528 | struct atl1_adapter *adapter = hw->back; | ||
529 | s32 ret_val; | ||
530 | u16 phy_data; | ||
531 | |||
532 | if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || | ||
533 | hw->media_type == MEDIA_TYPE_1000M_FULL) | ||
534 | phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; | ||
535 | else { | ||
536 | switch (hw->media_type) { | ||
537 | case MEDIA_TYPE_100M_FULL: | ||
538 | phy_data = | ||
539 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | | ||
540 | MII_CR_RESET; | ||
541 | break; | ||
542 | case MEDIA_TYPE_100M_HALF: | ||
543 | phy_data = MII_CR_SPEED_100 | MII_CR_RESET; | ||
544 | break; | ||
545 | case MEDIA_TYPE_10M_FULL: | ||
546 | phy_data = | ||
547 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; | ||
548 | break; | ||
549 | default: | ||
550 | /* MEDIA_TYPE_10M_HALF: */ | ||
551 | phy_data = MII_CR_SPEED_10 | MII_CR_RESET; | ||
552 | break; | ||
553 | } | ||
554 | } | ||
555 | |||
556 | ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); | ||
557 | if (ret_val) { | ||
558 | u32 val; | ||
559 | int i; | ||
560 | /* pcie serdes link may be down! */ | ||
561 | if (netif_msg_hw(adapter)) | ||
562 | dev_dbg(&pdev->dev, "pcie phy link down\n"); | ||
563 | |||
564 | for (i = 0; i < 25; i++) { | ||
565 | msleep(1); | ||
566 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
567 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
568 | break; | ||
569 | } | ||
570 | |||
571 | if ((val & (MDIO_START | MDIO_BUSY)) != 0) { | ||
572 | if (netif_msg_hw(adapter)) | ||
573 | dev_warn(&pdev->dev, | ||
574 | "pcie link down at least 25ms\n"); | ||
575 | return ret_val; | ||
576 | } | ||
577 | } | ||
578 | return 0; | ||
579 | } | ||
580 | |||
581 | /* | ||
582 | * Configures PHY autoneg and flow control advertisement settings | ||
583 | * hw - Struct containing variables accessed by shared code | ||
584 | */ | ||
585 | static s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) | ||
586 | { | ||
587 | s32 ret_val; | ||
588 | s16 mii_autoneg_adv_reg; | ||
589 | s16 mii_1000t_ctrl_reg; | ||
590 | |||
591 | /* Read the MII Auto-Neg Advertisement Register (Address 4). */ | ||
592 | mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; | ||
593 | |||
594 | /* Read the MII 1000Base-T Control Register (Address 9). */ | ||
595 | mii_1000t_ctrl_reg = MII_ATLX_CR_1000T_DEFAULT_CAP_MASK; | ||
596 | |||
597 | /* | ||
598 | * First we clear all the 10/100 mb speed bits in the Auto-Neg | ||
599 | * Advertisement Register (Address 4) and the 1000 mb speed bits in | ||
600 | * the 1000Base-T Control Register (Address 9). | ||
601 | */ | ||
602 | mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; | ||
603 | mii_1000t_ctrl_reg &= ~MII_ATLX_CR_1000T_SPEED_MASK; | ||
604 | |||
605 | /* | ||
606 | * Need to parse media_type and set up | ||
607 | * the appropriate PHY registers. | ||
608 | */ | ||
609 | switch (hw->media_type) { | ||
610 | case MEDIA_TYPE_AUTO_SENSOR: | ||
611 | mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | | ||
612 | MII_AR_10T_FD_CAPS | | ||
613 | MII_AR_100TX_HD_CAPS | | ||
614 | MII_AR_100TX_FD_CAPS); | ||
615 | mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; | ||
616 | break; | ||
617 | |||
618 | case MEDIA_TYPE_1000M_FULL: | ||
619 | mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; | ||
620 | break; | ||
621 | |||
622 | case MEDIA_TYPE_100M_FULL: | ||
623 | mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; | ||
624 | break; | ||
625 | |||
626 | case MEDIA_TYPE_100M_HALF: | ||
627 | mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; | ||
628 | break; | ||
629 | |||
630 | case MEDIA_TYPE_10M_FULL: | ||
631 | mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; | ||
632 | break; | ||
633 | |||
634 | default: | ||
635 | mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; | ||
636 | break; | ||
637 | } | ||
638 | |||
639 | /* flow control fixed to enable all */ | ||
640 | mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); | ||
641 | |||
642 | hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; | ||
643 | hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; | ||
644 | |||
645 | ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); | ||
646 | if (ret_val) | ||
647 | return ret_val; | ||
648 | |||
649 | ret_val = atl1_write_phy_reg(hw, MII_ATLX_CR, mii_1000t_ctrl_reg); | ||
650 | if (ret_val) | ||
651 | return ret_val; | ||
652 | |||
653 | return 0; | ||
654 | } | ||
655 | |||
656 | /* | ||
657 | * Configures link settings. | ||
658 | * hw - Struct containing variables accessed by shared code | ||
659 | * Assumes the hardware has previously been reset and the | ||
660 | * transmitter and receiver are not enabled. | ||
661 | */ | ||
662 | static s32 atl1_setup_link(struct atl1_hw *hw) | ||
663 | { | ||
664 | struct pci_dev *pdev = hw->back->pdev; | ||
665 | struct atl1_adapter *adapter = hw->back; | ||
666 | s32 ret_val; | ||
667 | |||
668 | /* | ||
669 | * Options: | ||
670 | * PHY will advertise value(s) parsed from | ||
671 | * autoneg_advertised and fc | ||
672 | * no matter what autoneg is , We will not wait link result. | ||
673 | */ | ||
674 | ret_val = atl1_phy_setup_autoneg_adv(hw); | ||
675 | if (ret_val) { | ||
676 | if (netif_msg_link(adapter)) | ||
677 | dev_dbg(&pdev->dev, | ||
678 | "error setting up autonegotiation\n"); | ||
679 | return ret_val; | ||
680 | } | ||
681 | /* SW.Reset , En-Auto-Neg if needed */ | ||
682 | ret_val = atl1_phy_reset(hw); | ||
683 | if (ret_val) { | ||
684 | if (netif_msg_link(adapter)) | ||
685 | dev_dbg(&pdev->dev, "error resetting phy\n"); | ||
686 | return ret_val; | ||
687 | } | ||
688 | hw->phy_configured = true; | ||
689 | return ret_val; | ||
690 | } | ||
691 | |||
692 | static void atl1_init_flash_opcode(struct atl1_hw *hw) | ||
693 | { | ||
694 | if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) | ||
695 | /* Atmel */ | ||
696 | hw->flash_vendor = 0; | ||
697 | |||
698 | /* Init OP table */ | ||
699 | iowrite8(flash_table[hw->flash_vendor].cmd_program, | ||
700 | hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); | ||
701 | iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, | ||
702 | hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); | ||
703 | iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, | ||
704 | hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); | ||
705 | iowrite8(flash_table[hw->flash_vendor].cmd_rdid, | ||
706 | hw->hw_addr + REG_SPI_FLASH_OP_RDID); | ||
707 | iowrite8(flash_table[hw->flash_vendor].cmd_wren, | ||
708 | hw->hw_addr + REG_SPI_FLASH_OP_WREN); | ||
709 | iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, | ||
710 | hw->hw_addr + REG_SPI_FLASH_OP_RDSR); | ||
711 | iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, | ||
712 | hw->hw_addr + REG_SPI_FLASH_OP_WRSR); | ||
713 | iowrite8(flash_table[hw->flash_vendor].cmd_read, | ||
714 | hw->hw_addr + REG_SPI_FLASH_OP_READ); | ||
715 | } | ||
716 | |||
717 | /* | ||
718 | * Performs basic configuration of the adapter. | ||
719 | * hw - Struct containing variables accessed by shared code | ||
720 | * Assumes that the controller has previously been reset and is in a | ||
721 | * post-reset uninitialized state. Initializes multicast table, | ||
722 | * and Calls routines to setup link | ||
723 | * Leaves the transmit and receive units disabled and uninitialized. | ||
724 | */ | ||
725 | static s32 atl1_init_hw(struct atl1_hw *hw) | ||
726 | { | ||
727 | u32 ret_val = 0; | ||
728 | |||
729 | /* Zero out the Multicast HASH table */ | ||
730 | iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); | ||
731 | /* clear the old settings from the multicast hash table */ | ||
732 | iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); | ||
733 | |||
734 | atl1_init_flash_opcode(hw); | ||
735 | |||
736 | if (!hw->phy_configured) { | ||
737 | /* enable GPHY LinkChange Interrrupt */ | ||
738 | ret_val = atl1_write_phy_reg(hw, 18, 0xC00); | ||
739 | if (ret_val) | ||
740 | return ret_val; | ||
741 | /* make PHY out of power-saving state */ | ||
742 | ret_val = atl1_phy_leave_power_saving(hw); | ||
743 | if (ret_val) | ||
744 | return ret_val; | ||
745 | /* Call a subroutine to configure the link */ | ||
746 | ret_val = atl1_setup_link(hw); | ||
747 | } | ||
748 | return ret_val; | ||
749 | } | ||
750 | |||
751 | /* | ||
752 | * Detects the current speed and duplex settings of the hardware. | ||
753 | * hw - Struct containing variables accessed by shared code | ||
754 | * speed - Speed of the connection | ||
755 | * duplex - Duplex setting of the connection | ||
756 | */ | ||
757 | static s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) | ||
758 | { | ||
759 | struct pci_dev *pdev = hw->back->pdev; | ||
760 | struct atl1_adapter *adapter = hw->back; | ||
761 | s32 ret_val; | ||
762 | u16 phy_data; | ||
763 | |||
764 | /* ; --- Read PHY Specific Status Register (17) */ | ||
765 | ret_val = atl1_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); | ||
766 | if (ret_val) | ||
767 | return ret_val; | ||
768 | |||
769 | if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) | ||
770 | return ATLX_ERR_PHY_RES; | ||
771 | |||
772 | switch (phy_data & MII_ATLX_PSSR_SPEED) { | ||
773 | case MII_ATLX_PSSR_1000MBS: | ||
774 | *speed = SPEED_1000; | ||
775 | break; | ||
776 | case MII_ATLX_PSSR_100MBS: | ||
777 | *speed = SPEED_100; | ||
778 | break; | ||
779 | case MII_ATLX_PSSR_10MBS: | ||
780 | *speed = SPEED_10; | ||
781 | break; | ||
782 | default: | ||
783 | if (netif_msg_hw(adapter)) | ||
784 | dev_dbg(&pdev->dev, "error getting speed\n"); | ||
785 | return ATLX_ERR_PHY_SPEED; | ||
786 | break; | ||
787 | } | ||
788 | if (phy_data & MII_ATLX_PSSR_DPLX) | ||
789 | *duplex = FULL_DUPLEX; | ||
790 | else | ||
791 | *duplex = HALF_DUPLEX; | ||
792 | |||
793 | return 0; | ||
794 | } | ||
795 | |||
796 | void atl1_set_mac_addr(struct atl1_hw *hw) | ||
797 | { | ||
798 | u32 value; | ||
799 | /* | ||
800 | * 00-0B-6A-F6-00-DC | ||
801 | * 0: 6AF600DC 1: 000B | ||
802 | * low dword | ||
803 | */ | ||
804 | value = (((u32) hw->mac_addr[2]) << 24) | | ||
805 | (((u32) hw->mac_addr[3]) << 16) | | ||
806 | (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); | ||
807 | iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); | ||
808 | /* high dword */ | ||
809 | value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); | ||
810 | iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); | ||
811 | } | ||
812 | |||
813 | /* | ||
111 | * atl1_sw_init - Initialize general software structures (struct atl1_adapter) | 814 | * atl1_sw_init - Initialize general software structures (struct atl1_adapter) |
112 | * @adapter: board private structure to initialize | 815 | * @adapter: board private structure to initialize |
113 | * | 816 | * |
@@ -2860,706 +3563,3 @@ const struct ethtool_ops atl1_ethtool_ops = { | |||
2860 | .get_sset_count = atl1_get_sset_count, | 3563 | .get_sset_count = atl1_get_sset_count, |
2861 | .set_tso = ethtool_op_set_tso, | 3564 | .set_tso = ethtool_op_set_tso, |
2862 | }; | 3565 | }; |
2863 | |||
2864 | /* | ||
2865 | * Reset the transmit and receive units; mask and clear all interrupts. | ||
2866 | * hw - Struct containing variables accessed by shared code | ||
2867 | * return : 0 or idle status (if error) | ||
2868 | */ | ||
2869 | s32 atl1_reset_hw(struct atl1_hw *hw) | ||
2870 | { | ||
2871 | struct pci_dev *pdev = hw->back->pdev; | ||
2872 | struct atl1_adapter *adapter = hw->back; | ||
2873 | u32 icr; | ||
2874 | int i; | ||
2875 | |||
2876 | /* | ||
2877 | * Clear Interrupt mask to stop board from generating | ||
2878 | * interrupts & Clear any pending interrupt events | ||
2879 | */ | ||
2880 | /* | ||
2881 | * iowrite32(0, hw->hw_addr + REG_IMR); | ||
2882 | * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); | ||
2883 | */ | ||
2884 | |||
2885 | /* | ||
2886 | * Issue Soft Reset to the MAC. This will reset the chip's | ||
2887 | * transmit, receive, DMA. It will not effect | ||
2888 | * the current PCI configuration. The global reset bit is self- | ||
2889 | * clearing, and should clear within a microsecond. | ||
2890 | */ | ||
2891 | iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); | ||
2892 | ioread32(hw->hw_addr + REG_MASTER_CTRL); | ||
2893 | |||
2894 | iowrite16(1, hw->hw_addr + REG_PHY_ENABLE); | ||
2895 | ioread16(hw->hw_addr + REG_PHY_ENABLE); | ||
2896 | |||
2897 | /* delay about 1ms */ | ||
2898 | msleep(1); | ||
2899 | |||
2900 | /* Wait at least 10ms for All module to be Idle */ | ||
2901 | for (i = 0; i < 10; i++) { | ||
2902 | icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); | ||
2903 | if (!icr) | ||
2904 | break; | ||
2905 | /* delay 1 ms */ | ||
2906 | msleep(1); | ||
2907 | /* FIXME: still the right way to do this? */ | ||
2908 | cpu_relax(); | ||
2909 | } | ||
2910 | |||
2911 | if (icr) { | ||
2912 | if (netif_msg_hw(adapter)) | ||
2913 | dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); | ||
2914 | return icr; | ||
2915 | } | ||
2916 | |||
2917 | return 0; | ||
2918 | } | ||
2919 | |||
2920 | /* function about EEPROM | ||
2921 | * | ||
2922 | * check_eeprom_exist | ||
2923 | * return 0 if eeprom exist | ||
2924 | */ | ||
2925 | static int atl1_check_eeprom_exist(struct atl1_hw *hw) | ||
2926 | { | ||
2927 | u32 value; | ||
2928 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
2929 | if (value & SPI_FLASH_CTRL_EN_VPD) { | ||
2930 | value &= ~SPI_FLASH_CTRL_EN_VPD; | ||
2931 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
2932 | } | ||
2933 | |||
2934 | value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); | ||
2935 | return ((value & 0xFF00) == 0x6C00) ? 0 : 1; | ||
2936 | } | ||
2937 | |||
2938 | static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) | ||
2939 | { | ||
2940 | int i; | ||
2941 | u32 control; | ||
2942 | |||
2943 | if (offset & 3) | ||
2944 | /* address do not align */ | ||
2945 | return false; | ||
2946 | |||
2947 | iowrite32(0, hw->hw_addr + REG_VPD_DATA); | ||
2948 | control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; | ||
2949 | iowrite32(control, hw->hw_addr + REG_VPD_CAP); | ||
2950 | ioread32(hw->hw_addr + REG_VPD_CAP); | ||
2951 | |||
2952 | for (i = 0; i < 10; i++) { | ||
2953 | msleep(2); | ||
2954 | control = ioread32(hw->hw_addr + REG_VPD_CAP); | ||
2955 | if (control & VPD_CAP_VPD_FLAG) | ||
2956 | break; | ||
2957 | } | ||
2958 | if (control & VPD_CAP_VPD_FLAG) { | ||
2959 | *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); | ||
2960 | return true; | ||
2961 | } | ||
2962 | /* timeout */ | ||
2963 | return false; | ||
2964 | } | ||
2965 | |||
2966 | /* | ||
2967 | * Reads the value from a PHY register | ||
2968 | * hw - Struct containing variables accessed by shared code | ||
2969 | * reg_addr - address of the PHY register to read | ||
2970 | */ | ||
2971 | s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) | ||
2972 | { | ||
2973 | u32 val; | ||
2974 | int i; | ||
2975 | |||
2976 | val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | | ||
2977 | MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << | ||
2978 | MDIO_CLK_SEL_SHIFT; | ||
2979 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
2980 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
2981 | |||
2982 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
2983 | udelay(2); | ||
2984 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
2985 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
2986 | break; | ||
2987 | } | ||
2988 | if (!(val & (MDIO_START | MDIO_BUSY))) { | ||
2989 | *phy_data = (u16) val; | ||
2990 | return 0; | ||
2991 | } | ||
2992 | return ATLX_ERR_PHY; | ||
2993 | } | ||
2994 | |||
2995 | #define CUSTOM_SPI_CS_SETUP 2 | ||
2996 | #define CUSTOM_SPI_CLK_HI 2 | ||
2997 | #define CUSTOM_SPI_CLK_LO 2 | ||
2998 | #define CUSTOM_SPI_CS_HOLD 2 | ||
2999 | #define CUSTOM_SPI_CS_HI 3 | ||
3000 | |||
3001 | static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) | ||
3002 | { | ||
3003 | int i; | ||
3004 | u32 value; | ||
3005 | |||
3006 | iowrite32(0, hw->hw_addr + REG_SPI_DATA); | ||
3007 | iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); | ||
3008 | |||
3009 | value = SPI_FLASH_CTRL_WAIT_READY | | ||
3010 | (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << | ||
3011 | SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & | ||
3012 | SPI_FLASH_CTRL_CLK_HI_MASK) << | ||
3013 | SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & | ||
3014 | SPI_FLASH_CTRL_CLK_LO_MASK) << | ||
3015 | SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & | ||
3016 | SPI_FLASH_CTRL_CS_HOLD_MASK) << | ||
3017 | SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & | ||
3018 | SPI_FLASH_CTRL_CS_HI_MASK) << | ||
3019 | SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << | ||
3020 | SPI_FLASH_CTRL_INS_SHIFT; | ||
3021 | |||
3022 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
3023 | |||
3024 | value |= SPI_FLASH_CTRL_START; | ||
3025 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
3026 | ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
3027 | |||
3028 | for (i = 0; i < 10; i++) { | ||
3029 | msleep(1); | ||
3030 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
3031 | if (!(value & SPI_FLASH_CTRL_START)) | ||
3032 | break; | ||
3033 | } | ||
3034 | |||
3035 | if (value & SPI_FLASH_CTRL_START) | ||
3036 | return false; | ||
3037 | |||
3038 | *buf = ioread32(hw->hw_addr + REG_SPI_DATA); | ||
3039 | |||
3040 | return true; | ||
3041 | } | ||
3042 | |||
3043 | /* | ||
3044 | * get_permanent_address | ||
3045 | * return 0 if get valid mac address, | ||
3046 | */ | ||
3047 | static int atl1_get_permanent_address(struct atl1_hw *hw) | ||
3048 | { | ||
3049 | u32 addr[2]; | ||
3050 | u32 i, control; | ||
3051 | u16 reg; | ||
3052 | u8 eth_addr[ETH_ALEN]; | ||
3053 | bool key_valid; | ||
3054 | |||
3055 | if (is_valid_ether_addr(hw->perm_mac_addr)) | ||
3056 | return 0; | ||
3057 | |||
3058 | /* init */ | ||
3059 | addr[0] = addr[1] = 0; | ||
3060 | |||
3061 | if (!atl1_check_eeprom_exist(hw)) { | ||
3062 | reg = 0; | ||
3063 | key_valid = false; | ||
3064 | /* Read out all EEPROM content */ | ||
3065 | i = 0; | ||
3066 | while (1) { | ||
3067 | if (atl1_read_eeprom(hw, i + 0x100, &control)) { | ||
3068 | if (key_valid) { | ||
3069 | if (reg == REG_MAC_STA_ADDR) | ||
3070 | addr[0] = control; | ||
3071 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
3072 | addr[1] = control; | ||
3073 | key_valid = false; | ||
3074 | } else if ((control & 0xff) == 0x5A) { | ||
3075 | key_valid = true; | ||
3076 | reg = (u16) (control >> 16); | ||
3077 | } else | ||
3078 | break; | ||
3079 | } else | ||
3080 | /* read error */ | ||
3081 | break; | ||
3082 | i += 4; | ||
3083 | } | ||
3084 | |||
3085 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
3086 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
3087 | if (is_valid_ether_addr(eth_addr)) { | ||
3088 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
3089 | return 0; | ||
3090 | } | ||
3091 | return 1; | ||
3092 | } | ||
3093 | |||
3094 | /* see if SPI FLAGS exist ? */ | ||
3095 | addr[0] = addr[1] = 0; | ||
3096 | reg = 0; | ||
3097 | key_valid = false; | ||
3098 | i = 0; | ||
3099 | while (1) { | ||
3100 | if (atl1_spi_read(hw, i + 0x1f000, &control)) { | ||
3101 | if (key_valid) { | ||
3102 | if (reg == REG_MAC_STA_ADDR) | ||
3103 | addr[0] = control; | ||
3104 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
3105 | addr[1] = control; | ||
3106 | key_valid = false; | ||
3107 | } else if ((control & 0xff) == 0x5A) { | ||
3108 | key_valid = true; | ||
3109 | reg = (u16) (control >> 16); | ||
3110 | } else | ||
3111 | /* data end */ | ||
3112 | break; | ||
3113 | } else | ||
3114 | /* read error */ | ||
3115 | break; | ||
3116 | i += 4; | ||
3117 | } | ||
3118 | |||
3119 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
3120 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
3121 | if (is_valid_ether_addr(eth_addr)) { | ||
3122 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
3123 | return 0; | ||
3124 | } | ||
3125 | |||
3126 | /* | ||
3127 | * On some motherboards, the MAC address is written by the | ||
3128 | * BIOS directly to the MAC register during POST, and is | ||
3129 | * not stored in eeprom. If all else thus far has failed | ||
3130 | * to fetch the permanent MAC address, try reading it directly. | ||
3131 | */ | ||
3132 | addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); | ||
3133 | addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); | ||
3134 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
3135 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
3136 | if (is_valid_ether_addr(eth_addr)) { | ||
3137 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
3138 | return 0; | ||
3139 | } | ||
3140 | |||
3141 | return 1; | ||
3142 | } | ||
3143 | |||
3144 | /* | ||
3145 | * Reads the adapter's MAC address from the EEPROM | ||
3146 | * hw - Struct containing variables accessed by shared code | ||
3147 | */ | ||
3148 | s32 atl1_read_mac_addr(struct atl1_hw *hw) | ||
3149 | { | ||
3150 | u16 i; | ||
3151 | |||
3152 | if (atl1_get_permanent_address(hw)) | ||
3153 | random_ether_addr(hw->perm_mac_addr); | ||
3154 | |||
3155 | for (i = 0; i < ETH_ALEN; i++) | ||
3156 | hw->mac_addr[i] = hw->perm_mac_addr[i]; | ||
3157 | return 0; | ||
3158 | } | ||
3159 | |||
3160 | /* | ||
3161 | * Hashes an address to determine its location in the multicast table | ||
3162 | * hw - Struct containing variables accessed by shared code | ||
3163 | * mc_addr - the multicast address to hash | ||
3164 | * | ||
3165 | * atl1_hash_mc_addr | ||
3166 | * purpose | ||
3167 | * set hash value for a multicast address | ||
3168 | * hash calcu processing : | ||
3169 | * 1. calcu 32bit CRC for multicast address | ||
3170 | * 2. reverse crc with MSB to LSB | ||
3171 | */ | ||
3172 | u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) | ||
3173 | { | ||
3174 | u32 crc32, value = 0; | ||
3175 | int i; | ||
3176 | |||
3177 | crc32 = ether_crc_le(6, mc_addr); | ||
3178 | for (i = 0; i < 32; i++) | ||
3179 | value |= (((crc32 >> i) & 1) << (31 - i)); | ||
3180 | |||
3181 | return value; | ||
3182 | } | ||
3183 | |||
3184 | /* | ||
3185 | * Sets the bit in the multicast table corresponding to the hash value. | ||
3186 | * hw - Struct containing variables accessed by shared code | ||
3187 | * hash_value - Multicast address hash value | ||
3188 | */ | ||
3189 | void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) | ||
3190 | { | ||
3191 | u32 hash_bit, hash_reg; | ||
3192 | u32 mta; | ||
3193 | |||
3194 | /* | ||
3195 | * The HASH Table is a register array of 2 32-bit registers. | ||
3196 | * It is treated like an array of 64 bits. We want to set | ||
3197 | * bit BitArray[hash_value]. So we figure out what register | ||
3198 | * the bit is in, read it, OR in the new bit, then write | ||
3199 | * back the new value. The register is determined by the | ||
3200 | * upper 7 bits of the hash value and the bit within that | ||
3201 | * register are determined by the lower 5 bits of the value. | ||
3202 | */ | ||
3203 | hash_reg = (hash_value >> 31) & 0x1; | ||
3204 | hash_bit = (hash_value >> 26) & 0x1F; | ||
3205 | mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
3206 | mta |= (1 << hash_bit); | ||
3207 | iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
3208 | } | ||
3209 | |||
3210 | /* | ||
3211 | * Writes a value to a PHY register | ||
3212 | * hw - Struct containing variables accessed by shared code | ||
3213 | * reg_addr - address of the PHY register to write | ||
3214 | * data - data to write to the PHY | ||
3215 | */ | ||
3216 | s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) | ||
3217 | { | ||
3218 | int i; | ||
3219 | u32 val; | ||
3220 | |||
3221 | val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | | ||
3222 | (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | | ||
3223 | MDIO_SUP_PREAMBLE | | ||
3224 | MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; | ||
3225 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
3226 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
3227 | |||
3228 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
3229 | udelay(2); | ||
3230 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
3231 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
3232 | break; | ||
3233 | } | ||
3234 | |||
3235 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
3236 | return 0; | ||
3237 | |||
3238 | return ATLX_ERR_PHY; | ||
3239 | } | ||
3240 | |||
3241 | /* | ||
3242 | * Make L001's PHY out of Power Saving State (bug) | ||
3243 | * hw - Struct containing variables accessed by shared code | ||
3244 | * when power on, L001's PHY always on Power saving State | ||
3245 | * (Gigabit Link forbidden) | ||
3246 | */ | ||
3247 | static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) | ||
3248 | { | ||
3249 | s32 ret; | ||
3250 | ret = atl1_write_phy_reg(hw, 29, 0x0029); | ||
3251 | if (ret) | ||
3252 | return ret; | ||
3253 | return atl1_write_phy_reg(hw, 30, 0); | ||
3254 | } | ||
3255 | |||
3256 | /* | ||
3257 | *TODO: do something or get rid of this | ||
3258 | */ | ||
3259 | s32 atl1_phy_enter_power_saving(struct atl1_hw *hw) | ||
3260 | { | ||
3261 | /* s32 ret_val; | ||
3262 | * u16 phy_data; | ||
3263 | */ | ||
3264 | |||
3265 | /* | ||
3266 | ret_val = atl1_write_phy_reg(hw, ...); | ||
3267 | ret_val = atl1_write_phy_reg(hw, ...); | ||
3268 | .... | ||
3269 | */ | ||
3270 | return 0; | ||
3271 | } | ||
3272 | |||
3273 | /* | ||
3274 | * Resets the PHY and make all config validate | ||
3275 | * hw - Struct containing variables accessed by shared code | ||
3276 | * | ||
3277 | * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) | ||
3278 | */ | ||
3279 | static s32 atl1_phy_reset(struct atl1_hw *hw) | ||
3280 | { | ||
3281 | struct pci_dev *pdev = hw->back->pdev; | ||
3282 | struct atl1_adapter *adapter = hw->back; | ||
3283 | s32 ret_val; | ||
3284 | u16 phy_data; | ||
3285 | |||
3286 | if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || | ||
3287 | hw->media_type == MEDIA_TYPE_1000M_FULL) | ||
3288 | phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; | ||
3289 | else { | ||
3290 | switch (hw->media_type) { | ||
3291 | case MEDIA_TYPE_100M_FULL: | ||
3292 | phy_data = | ||
3293 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | | ||
3294 | MII_CR_RESET; | ||
3295 | break; | ||
3296 | case MEDIA_TYPE_100M_HALF: | ||
3297 | phy_data = MII_CR_SPEED_100 | MII_CR_RESET; | ||
3298 | break; | ||
3299 | case MEDIA_TYPE_10M_FULL: | ||
3300 | phy_data = | ||
3301 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; | ||
3302 | break; | ||
3303 | default: | ||
3304 | /* MEDIA_TYPE_10M_HALF: */ | ||
3305 | phy_data = MII_CR_SPEED_10 | MII_CR_RESET; | ||
3306 | break; | ||
3307 | } | ||
3308 | } | ||
3309 | |||
3310 | ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); | ||
3311 | if (ret_val) { | ||
3312 | u32 val; | ||
3313 | int i; | ||
3314 | /* pcie serdes link may be down! */ | ||
3315 | if (netif_msg_hw(adapter)) | ||
3316 | dev_dbg(&pdev->dev, "pcie phy link down\n"); | ||
3317 | |||
3318 | for (i = 0; i < 25; i++) { | ||
3319 | msleep(1); | ||
3320 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
3321 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
3322 | break; | ||
3323 | } | ||
3324 | |||
3325 | if ((val & (MDIO_START | MDIO_BUSY)) != 0) { | ||
3326 | if (netif_msg_hw(adapter)) | ||
3327 | dev_warn(&pdev->dev, | ||
3328 | "pcie link down at least 25ms\n"); | ||
3329 | return ret_val; | ||
3330 | } | ||
3331 | } | ||
3332 | return 0; | ||
3333 | } | ||
3334 | |||
3335 | /* | ||
3336 | * Configures PHY autoneg and flow control advertisement settings | ||
3337 | * hw - Struct containing variables accessed by shared code | ||
3338 | */ | ||
3339 | s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) | ||
3340 | { | ||
3341 | s32 ret_val; | ||
3342 | s16 mii_autoneg_adv_reg; | ||
3343 | s16 mii_1000t_ctrl_reg; | ||
3344 | |||
3345 | /* Read the MII Auto-Neg Advertisement Register (Address 4). */ | ||
3346 | mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; | ||
3347 | |||
3348 | /* Read the MII 1000Base-T Control Register (Address 9). */ | ||
3349 | mii_1000t_ctrl_reg = MII_ATLX_CR_1000T_DEFAULT_CAP_MASK; | ||
3350 | |||
3351 | /* | ||
3352 | * First we clear all the 10/100 mb speed bits in the Auto-Neg | ||
3353 | * Advertisement Register (Address 4) and the 1000 mb speed bits in | ||
3354 | * the 1000Base-T Control Register (Address 9). | ||
3355 | */ | ||
3356 | mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; | ||
3357 | mii_1000t_ctrl_reg &= ~MII_ATLX_CR_1000T_SPEED_MASK; | ||
3358 | |||
3359 | /* | ||
3360 | * Need to parse media_type and set up | ||
3361 | * the appropriate PHY registers. | ||
3362 | */ | ||
3363 | switch (hw->media_type) { | ||
3364 | case MEDIA_TYPE_AUTO_SENSOR: | ||
3365 | mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | | ||
3366 | MII_AR_10T_FD_CAPS | | ||
3367 | MII_AR_100TX_HD_CAPS | | ||
3368 | MII_AR_100TX_FD_CAPS); | ||
3369 | mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; | ||
3370 | break; | ||
3371 | |||
3372 | case MEDIA_TYPE_1000M_FULL: | ||
3373 | mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; | ||
3374 | break; | ||
3375 | |||
3376 | case MEDIA_TYPE_100M_FULL: | ||
3377 | mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; | ||
3378 | break; | ||
3379 | |||
3380 | case MEDIA_TYPE_100M_HALF: | ||
3381 | mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; | ||
3382 | break; | ||
3383 | |||
3384 | case MEDIA_TYPE_10M_FULL: | ||
3385 | mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; | ||
3386 | break; | ||
3387 | |||
3388 | default: | ||
3389 | mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; | ||
3390 | break; | ||
3391 | } | ||
3392 | |||
3393 | /* flow control fixed to enable all */ | ||
3394 | mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); | ||
3395 | |||
3396 | hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; | ||
3397 | hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; | ||
3398 | |||
3399 | ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); | ||
3400 | if (ret_val) | ||
3401 | return ret_val; | ||
3402 | |||
3403 | ret_val = atl1_write_phy_reg(hw, MII_ATLX_CR, mii_1000t_ctrl_reg); | ||
3404 | if (ret_val) | ||
3405 | return ret_val; | ||
3406 | |||
3407 | return 0; | ||
3408 | } | ||
3409 | |||
3410 | /* | ||
3411 | * Configures link settings. | ||
3412 | * hw - Struct containing variables accessed by shared code | ||
3413 | * Assumes the hardware has previously been reset and the | ||
3414 | * transmitter and receiver are not enabled. | ||
3415 | */ | ||
3416 | static s32 atl1_setup_link(struct atl1_hw *hw) | ||
3417 | { | ||
3418 | struct pci_dev *pdev = hw->back->pdev; | ||
3419 | struct atl1_adapter *adapter = hw->back; | ||
3420 | s32 ret_val; | ||
3421 | |||
3422 | /* | ||
3423 | * Options: | ||
3424 | * PHY will advertise value(s) parsed from | ||
3425 | * autoneg_advertised and fc | ||
3426 | * no matter what autoneg is , We will not wait link result. | ||
3427 | */ | ||
3428 | ret_val = atl1_phy_setup_autoneg_adv(hw); | ||
3429 | if (ret_val) { | ||
3430 | if (netif_msg_link(adapter)) | ||
3431 | dev_dbg(&pdev->dev, | ||
3432 | "error setting up autonegotiation\n"); | ||
3433 | return ret_val; | ||
3434 | } | ||
3435 | /* SW.Reset , En-Auto-Neg if needed */ | ||
3436 | ret_val = atl1_phy_reset(hw); | ||
3437 | if (ret_val) { | ||
3438 | if (netif_msg_link(adapter)) | ||
3439 | dev_dbg(&pdev->dev, "error resetting phy\n"); | ||
3440 | return ret_val; | ||
3441 | } | ||
3442 | hw->phy_configured = true; | ||
3443 | return ret_val; | ||
3444 | } | ||
3445 | |||
3446 | static void atl1_init_flash_opcode(struct atl1_hw *hw) | ||
3447 | { | ||
3448 | if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) | ||
3449 | /* Atmel */ | ||
3450 | hw->flash_vendor = 0; | ||
3451 | |||
3452 | /* Init OP table */ | ||
3453 | iowrite8(flash_table[hw->flash_vendor].cmd_program, | ||
3454 | hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); | ||
3455 | iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, | ||
3456 | hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); | ||
3457 | iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, | ||
3458 | hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); | ||
3459 | iowrite8(flash_table[hw->flash_vendor].cmd_rdid, | ||
3460 | hw->hw_addr + REG_SPI_FLASH_OP_RDID); | ||
3461 | iowrite8(flash_table[hw->flash_vendor].cmd_wren, | ||
3462 | hw->hw_addr + REG_SPI_FLASH_OP_WREN); | ||
3463 | iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, | ||
3464 | hw->hw_addr + REG_SPI_FLASH_OP_RDSR); | ||
3465 | iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, | ||
3466 | hw->hw_addr + REG_SPI_FLASH_OP_WRSR); | ||
3467 | iowrite8(flash_table[hw->flash_vendor].cmd_read, | ||
3468 | hw->hw_addr + REG_SPI_FLASH_OP_READ); | ||
3469 | } | ||
3470 | |||
3471 | /* | ||
3472 | * Performs basic configuration of the adapter. | ||
3473 | * hw - Struct containing variables accessed by shared code | ||
3474 | * Assumes that the controller has previously been reset and is in a | ||
3475 | * post-reset uninitialized state. Initializes multicast table, | ||
3476 | * and Calls routines to setup link | ||
3477 | * Leaves the transmit and receive units disabled and uninitialized. | ||
3478 | */ | ||
3479 | s32 atl1_init_hw(struct atl1_hw *hw) | ||
3480 | { | ||
3481 | u32 ret_val = 0; | ||
3482 | |||
3483 | /* Zero out the Multicast HASH table */ | ||
3484 | iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); | ||
3485 | /* clear the old settings from the multicast hash table */ | ||
3486 | iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); | ||
3487 | |||
3488 | atl1_init_flash_opcode(hw); | ||
3489 | |||
3490 | if (!hw->phy_configured) { | ||
3491 | /* enable GPHY LinkChange Interrrupt */ | ||
3492 | ret_val = atl1_write_phy_reg(hw, 18, 0xC00); | ||
3493 | if (ret_val) | ||
3494 | return ret_val; | ||
3495 | /* make PHY out of power-saving state */ | ||
3496 | ret_val = atl1_phy_leave_power_saving(hw); | ||
3497 | if (ret_val) | ||
3498 | return ret_val; | ||
3499 | /* Call a subroutine to configure the link */ | ||
3500 | ret_val = atl1_setup_link(hw); | ||
3501 | } | ||
3502 | return ret_val; | ||
3503 | } | ||
3504 | |||
3505 | /* | ||
3506 | * Detects the current speed and duplex settings of the hardware. | ||
3507 | * hw - Struct containing variables accessed by shared code | ||
3508 | * speed - Speed of the connection | ||
3509 | * duplex - Duplex setting of the connection | ||
3510 | */ | ||
3511 | s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) | ||
3512 | { | ||
3513 | struct pci_dev *pdev = hw->back->pdev; | ||
3514 | struct atl1_adapter *adapter = hw->back; | ||
3515 | s32 ret_val; | ||
3516 | u16 phy_data; | ||
3517 | |||
3518 | /* ; --- Read PHY Specific Status Register (17) */ | ||
3519 | ret_val = atl1_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); | ||
3520 | if (ret_val) | ||
3521 | return ret_val; | ||
3522 | |||
3523 | if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) | ||
3524 | return ATLX_ERR_PHY_RES; | ||
3525 | |||
3526 | switch (phy_data & MII_ATLX_PSSR_SPEED) { | ||
3527 | case MII_ATLX_PSSR_1000MBS: | ||
3528 | *speed = SPEED_1000; | ||
3529 | break; | ||
3530 | case MII_ATLX_PSSR_100MBS: | ||
3531 | *speed = SPEED_100; | ||
3532 | break; | ||
3533 | case MII_ATLX_PSSR_10MBS: | ||
3534 | *speed = SPEED_10; | ||
3535 | break; | ||
3536 | default: | ||
3537 | if (netif_msg_hw(adapter)) | ||
3538 | dev_dbg(&pdev->dev, "error getting speed\n"); | ||
3539 | return ATLX_ERR_PHY_SPEED; | ||
3540 | break; | ||
3541 | } | ||
3542 | if (phy_data & MII_ATLX_PSSR_DPLX) | ||
3543 | *duplex = FULL_DUPLEX; | ||
3544 | else | ||
3545 | *duplex = HALF_DUPLEX; | ||
3546 | |||
3547 | return 0; | ||
3548 | } | ||
3549 | |||
3550 | void atl1_set_mac_addr(struct atl1_hw *hw) | ||
3551 | { | ||
3552 | u32 value; | ||
3553 | /* | ||
3554 | * 00-0B-6A-F6-00-DC | ||
3555 | * 0: 6AF600DC 1: 000B | ||
3556 | * low dword | ||
3557 | */ | ||
3558 | value = (((u32) hw->mac_addr[2]) << 24) | | ||
3559 | (((u32) hw->mac_addr[3]) << 16) | | ||
3560 | (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); | ||
3561 | iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); | ||
3562 | /* high dword */ | ||
3563 | value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); | ||
3564 | iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); | ||
3565 | } | ||