diff options
Diffstat (limited to 'drivers/net/atlx/atl1_hw.c')
-rw-r--r-- | drivers/net/atlx/atl1_hw.c | 720 |
1 files changed, 720 insertions, 0 deletions
diff --git a/drivers/net/atlx/atl1_hw.c b/drivers/net/atlx/atl1_hw.c new file mode 100644 index 000000000000..9d3bd22e3a82 --- /dev/null +++ b/drivers/net/atlx/atl1_hw.c | |||
@@ -0,0 +1,720 @@ | |||
1 | /* | ||
2 | * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. | ||
3 | * Copyright(c) 2006 Chris Snook <csnook@redhat.com> | ||
4 | * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> | ||
5 | * | ||
6 | * Derived from Intel e1000 driver | ||
7 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify it | ||
10 | * under the terms of the GNU General Public License as published by the Free | ||
11 | * Software Foundation; either version 2 of the License, or (at your option) | ||
12 | * any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
17 | * more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License along with | ||
20 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
21 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
22 | */ | ||
23 | |||
24 | #include <linux/types.h> | ||
25 | #include <linux/pci.h> | ||
26 | #include <linux/delay.h> | ||
27 | #include <linux/if_vlan.h> | ||
28 | #include <linux/etherdevice.h> | ||
29 | #include <linux/crc32.h> | ||
30 | #include <asm/byteorder.h> | ||
31 | |||
32 | #include "atl1.h" | ||
33 | |||
34 | /* | ||
35 | * Reset the transmit and receive units; mask and clear all interrupts. | ||
36 | * hw - Struct containing variables accessed by shared code | ||
37 | * return : ATL1_SUCCESS or idle status (if error) | ||
38 | */ | ||
39 | s32 atl1_reset_hw(struct atl1_hw *hw) | ||
40 | { | ||
41 | struct pci_dev *pdev = hw->back->pdev; | ||
42 | u32 icr; | ||
43 | int i; | ||
44 | |||
45 | /* | ||
46 | * Clear Interrupt mask to stop board from generating | ||
47 | * interrupts & Clear any pending interrupt events | ||
48 | */ | ||
49 | /* | ||
50 | * iowrite32(0, hw->hw_addr + REG_IMR); | ||
51 | * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); | ||
52 | */ | ||
53 | |||
54 | /* | ||
55 | * Issue Soft Reset to the MAC. This will reset the chip's | ||
56 | * transmit, receive, DMA. It will not effect | ||
57 | * the current PCI configuration. The global reset bit is self- | ||
58 | * clearing, and should clear within a microsecond. | ||
59 | */ | ||
60 | iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); | ||
61 | ioread32(hw->hw_addr + REG_MASTER_CTRL); | ||
62 | |||
63 | iowrite16(1, hw->hw_addr + REG_GPHY_ENABLE); | ||
64 | ioread16(hw->hw_addr + REG_GPHY_ENABLE); | ||
65 | |||
66 | msleep(1); /* delay about 1ms */ | ||
67 | |||
68 | /* Wait at least 10ms for All module to be Idle */ | ||
69 | for (i = 0; i < 10; i++) { | ||
70 | icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); | ||
71 | if (!icr) | ||
72 | break; | ||
73 | msleep(1); /* delay 1 ms */ | ||
74 | cpu_relax(); /* FIXME: is this still the right way to do this? */ | ||
75 | } | ||
76 | |||
77 | if (icr) { | ||
78 | dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); | ||
79 | return icr; | ||
80 | } | ||
81 | |||
82 | return ATL1_SUCCESS; | ||
83 | } | ||
84 | |||
85 | /* function about EEPROM | ||
86 | * | ||
87 | * check_eeprom_exist | ||
88 | * return 0 if eeprom exist | ||
89 | */ | ||
90 | static int atl1_check_eeprom_exist(struct atl1_hw *hw) | ||
91 | { | ||
92 | u32 value; | ||
93 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
94 | if (value & SPI_FLASH_CTRL_EN_VPD) { | ||
95 | value &= ~SPI_FLASH_CTRL_EN_VPD; | ||
96 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
97 | } | ||
98 | |||
99 | value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); | ||
100 | return ((value & 0xFF00) == 0x6C00) ? 0 : 1; | ||
101 | } | ||
102 | |||
103 | static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) | ||
104 | { | ||
105 | int i; | ||
106 | u32 control; | ||
107 | |||
108 | if (offset & 3) | ||
109 | return false; /* address do not align */ | ||
110 | |||
111 | iowrite32(0, hw->hw_addr + REG_VPD_DATA); | ||
112 | control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; | ||
113 | iowrite32(control, hw->hw_addr + REG_VPD_CAP); | ||
114 | ioread32(hw->hw_addr + REG_VPD_CAP); | ||
115 | |||
116 | for (i = 0; i < 10; i++) { | ||
117 | msleep(2); | ||
118 | control = ioread32(hw->hw_addr + REG_VPD_CAP); | ||
119 | if (control & VPD_CAP_VPD_FLAG) | ||
120 | break; | ||
121 | } | ||
122 | if (control & VPD_CAP_VPD_FLAG) { | ||
123 | *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); | ||
124 | return true; | ||
125 | } | ||
126 | return false; /* timeout */ | ||
127 | } | ||
128 | |||
129 | /* | ||
130 | * Reads the value from a PHY register | ||
131 | * hw - Struct containing variables accessed by shared code | ||
132 | * reg_addr - address of the PHY register to read | ||
133 | */ | ||
134 | s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) | ||
135 | { | ||
136 | u32 val; | ||
137 | int i; | ||
138 | |||
139 | val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | | ||
140 | MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << | ||
141 | MDIO_CLK_SEL_SHIFT; | ||
142 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
143 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
144 | |||
145 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
146 | udelay(2); | ||
147 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
148 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
149 | break; | ||
150 | } | ||
151 | if (!(val & (MDIO_START | MDIO_BUSY))) { | ||
152 | *phy_data = (u16) val; | ||
153 | return ATL1_SUCCESS; | ||
154 | } | ||
155 | return ATL1_ERR_PHY; | ||
156 | } | ||
157 | |||
158 | #define CUSTOM_SPI_CS_SETUP 2 | ||
159 | #define CUSTOM_SPI_CLK_HI 2 | ||
160 | #define CUSTOM_SPI_CLK_LO 2 | ||
161 | #define CUSTOM_SPI_CS_HOLD 2 | ||
162 | #define CUSTOM_SPI_CS_HI 3 | ||
163 | |||
164 | static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) | ||
165 | { | ||
166 | int i; | ||
167 | u32 value; | ||
168 | |||
169 | iowrite32(0, hw->hw_addr + REG_SPI_DATA); | ||
170 | iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); | ||
171 | |||
172 | value = SPI_FLASH_CTRL_WAIT_READY | | ||
173 | (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << | ||
174 | SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & | ||
175 | SPI_FLASH_CTRL_CLK_HI_MASK) << | ||
176 | SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & | ||
177 | SPI_FLASH_CTRL_CLK_LO_MASK) << | ||
178 | SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & | ||
179 | SPI_FLASH_CTRL_CS_HOLD_MASK) << | ||
180 | SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & | ||
181 | SPI_FLASH_CTRL_CS_HI_MASK) << | ||
182 | SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << | ||
183 | SPI_FLASH_CTRL_INS_SHIFT; | ||
184 | |||
185 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
186 | |||
187 | value |= SPI_FLASH_CTRL_START; | ||
188 | iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
189 | ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
190 | |||
191 | for (i = 0; i < 10; i++) { | ||
192 | msleep(1); /* 1ms */ | ||
193 | value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); | ||
194 | if (!(value & SPI_FLASH_CTRL_START)) | ||
195 | break; | ||
196 | } | ||
197 | |||
198 | if (value & SPI_FLASH_CTRL_START) | ||
199 | return false; | ||
200 | |||
201 | *buf = ioread32(hw->hw_addr + REG_SPI_DATA); | ||
202 | |||
203 | return true; | ||
204 | } | ||
205 | |||
206 | /* | ||
207 | * get_permanent_address | ||
208 | * return 0 if get valid mac address, | ||
209 | */ | ||
210 | static int atl1_get_permanent_address(struct atl1_hw *hw) | ||
211 | { | ||
212 | u32 addr[2]; | ||
213 | u32 i, control; | ||
214 | u16 reg; | ||
215 | u8 eth_addr[ETH_ALEN]; | ||
216 | bool key_valid; | ||
217 | |||
218 | if (is_valid_ether_addr(hw->perm_mac_addr)) | ||
219 | return 0; | ||
220 | |||
221 | /* init */ | ||
222 | addr[0] = addr[1] = 0; | ||
223 | |||
224 | if (!atl1_check_eeprom_exist(hw)) { /* eeprom exist */ | ||
225 | reg = 0; | ||
226 | key_valid = false; | ||
227 | /* Read out all EEPROM content */ | ||
228 | i = 0; | ||
229 | while (1) { | ||
230 | if (atl1_read_eeprom(hw, i + 0x100, &control)) { | ||
231 | if (key_valid) { | ||
232 | if (reg == REG_MAC_STA_ADDR) | ||
233 | addr[0] = control; | ||
234 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
235 | addr[1] = control; | ||
236 | key_valid = false; | ||
237 | } else if ((control & 0xff) == 0x5A) { | ||
238 | key_valid = true; | ||
239 | reg = (u16) (control >> 16); | ||
240 | } else | ||
241 | break; /* assume data end while encount an invalid KEYWORD */ | ||
242 | } else | ||
243 | break; /* read error */ | ||
244 | i += 4; | ||
245 | } | ||
246 | |||
247 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
248 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
249 | if (is_valid_ether_addr(eth_addr)) { | ||
250 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
251 | return 0; | ||
252 | } | ||
253 | return 1; | ||
254 | } | ||
255 | |||
256 | /* see if SPI FLAGS exist ? */ | ||
257 | addr[0] = addr[1] = 0; | ||
258 | reg = 0; | ||
259 | key_valid = false; | ||
260 | i = 0; | ||
261 | while (1) { | ||
262 | if (atl1_spi_read(hw, i + 0x1f000, &control)) { | ||
263 | if (key_valid) { | ||
264 | if (reg == REG_MAC_STA_ADDR) | ||
265 | addr[0] = control; | ||
266 | else if (reg == (REG_MAC_STA_ADDR + 4)) | ||
267 | addr[1] = control; | ||
268 | key_valid = false; | ||
269 | } else if ((control & 0xff) == 0x5A) { | ||
270 | key_valid = true; | ||
271 | reg = (u16) (control >> 16); | ||
272 | } else | ||
273 | break; /* data end */ | ||
274 | } else | ||
275 | break; /* read error */ | ||
276 | i += 4; | ||
277 | } | ||
278 | |||
279 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
280 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
281 | if (is_valid_ether_addr(eth_addr)) { | ||
282 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
283 | return 0; | ||
284 | } | ||
285 | |||
286 | /* | ||
287 | * On some motherboards, the MAC address is written by the | ||
288 | * BIOS directly to the MAC register during POST, and is | ||
289 | * not stored in eeprom. If all else thus far has failed | ||
290 | * to fetch the permanent MAC address, try reading it directly. | ||
291 | */ | ||
292 | addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); | ||
293 | addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); | ||
294 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
295 | *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); | ||
296 | if (is_valid_ether_addr(eth_addr)) { | ||
297 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
298 | return 0; | ||
299 | } | ||
300 | |||
301 | return 1; | ||
302 | } | ||
303 | |||
304 | /* | ||
305 | * Reads the adapter's MAC address from the EEPROM | ||
306 | * hw - Struct containing variables accessed by shared code | ||
307 | */ | ||
308 | s32 atl1_read_mac_addr(struct atl1_hw *hw) | ||
309 | { | ||
310 | u16 i; | ||
311 | |||
312 | if (atl1_get_permanent_address(hw)) | ||
313 | random_ether_addr(hw->perm_mac_addr); | ||
314 | |||
315 | for (i = 0; i < ETH_ALEN; i++) | ||
316 | hw->mac_addr[i] = hw->perm_mac_addr[i]; | ||
317 | return ATL1_SUCCESS; | ||
318 | } | ||
319 | |||
320 | /* | ||
321 | * Hashes an address to determine its location in the multicast table | ||
322 | * hw - Struct containing variables accessed by shared code | ||
323 | * mc_addr - the multicast address to hash | ||
324 | * | ||
325 | * atl1_hash_mc_addr | ||
326 | * purpose | ||
327 | * set hash value for a multicast address | ||
328 | * hash calcu processing : | ||
329 | * 1. calcu 32bit CRC for multicast address | ||
330 | * 2. reverse crc with MSB to LSB | ||
331 | */ | ||
332 | u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) | ||
333 | { | ||
334 | u32 crc32, value = 0; | ||
335 | int i; | ||
336 | |||
337 | crc32 = ether_crc_le(6, mc_addr); | ||
338 | for (i = 0; i < 32; i++) | ||
339 | value |= (((crc32 >> i) & 1) << (31 - i)); | ||
340 | |||
341 | return value; | ||
342 | } | ||
343 | |||
344 | /* | ||
345 | * Sets the bit in the multicast table corresponding to the hash value. | ||
346 | * hw - Struct containing variables accessed by shared code | ||
347 | * hash_value - Multicast address hash value | ||
348 | */ | ||
349 | void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) | ||
350 | { | ||
351 | u32 hash_bit, hash_reg; | ||
352 | u32 mta; | ||
353 | |||
354 | /* | ||
355 | * The HASH Table is a register array of 2 32-bit registers. | ||
356 | * It is treated like an array of 64 bits. We want to set | ||
357 | * bit BitArray[hash_value]. So we figure out what register | ||
358 | * the bit is in, read it, OR in the new bit, then write | ||
359 | * back the new value. The register is determined by the | ||
360 | * upper 7 bits of the hash value and the bit within that | ||
361 | * register are determined by the lower 5 bits of the value. | ||
362 | */ | ||
363 | hash_reg = (hash_value >> 31) & 0x1; | ||
364 | hash_bit = (hash_value >> 26) & 0x1F; | ||
365 | mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
366 | mta |= (1 << hash_bit); | ||
367 | iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); | ||
368 | } | ||
369 | |||
370 | /* | ||
371 | * Writes a value to a PHY register | ||
372 | * hw - Struct containing variables accessed by shared code | ||
373 | * reg_addr - address of the PHY register to write | ||
374 | * data - data to write to the PHY | ||
375 | */ | ||
376 | s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) | ||
377 | { | ||
378 | int i; | ||
379 | u32 val; | ||
380 | |||
381 | val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | | ||
382 | (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | | ||
383 | MDIO_SUP_PREAMBLE | | ||
384 | MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; | ||
385 | iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); | ||
386 | ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
387 | |||
388 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
389 | udelay(2); | ||
390 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
391 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
392 | break; | ||
393 | } | ||
394 | |||
395 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
396 | return ATL1_SUCCESS; | ||
397 | |||
398 | return ATL1_ERR_PHY; | ||
399 | } | ||
400 | |||
401 | /* | ||
402 | * Make L001's PHY out of Power Saving State (bug) | ||
403 | * hw - Struct containing variables accessed by shared code | ||
404 | * when power on, L001's PHY always on Power saving State | ||
405 | * (Gigabit Link forbidden) | ||
406 | */ | ||
407 | static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) | ||
408 | { | ||
409 | s32 ret; | ||
410 | ret = atl1_write_phy_reg(hw, 29, 0x0029); | ||
411 | if (ret) | ||
412 | return ret; | ||
413 | return atl1_write_phy_reg(hw, 30, 0); | ||
414 | } | ||
415 | |||
416 | /* | ||
417 | *TODO: do something or get rid of this | ||
418 | */ | ||
419 | s32 atl1_phy_enter_power_saving(struct atl1_hw *hw) | ||
420 | { | ||
421 | /* s32 ret_val; | ||
422 | * u16 phy_data; | ||
423 | */ | ||
424 | |||
425 | /* | ||
426 | ret_val = atl1_write_phy_reg(hw, ...); | ||
427 | ret_val = atl1_write_phy_reg(hw, ...); | ||
428 | .... | ||
429 | */ | ||
430 | return ATL1_SUCCESS; | ||
431 | } | ||
432 | |||
433 | /* | ||
434 | * Resets the PHY and make all config validate | ||
435 | * hw - Struct containing variables accessed by shared code | ||
436 | * | ||
437 | * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) | ||
438 | */ | ||
439 | static s32 atl1_phy_reset(struct atl1_hw *hw) | ||
440 | { | ||
441 | struct pci_dev *pdev = hw->back->pdev; | ||
442 | s32 ret_val; | ||
443 | u16 phy_data; | ||
444 | |||
445 | if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || | ||
446 | hw->media_type == MEDIA_TYPE_1000M_FULL) | ||
447 | phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; | ||
448 | else { | ||
449 | switch (hw->media_type) { | ||
450 | case MEDIA_TYPE_100M_FULL: | ||
451 | phy_data = | ||
452 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | | ||
453 | MII_CR_RESET; | ||
454 | break; | ||
455 | case MEDIA_TYPE_100M_HALF: | ||
456 | phy_data = MII_CR_SPEED_100 | MII_CR_RESET; | ||
457 | break; | ||
458 | case MEDIA_TYPE_10M_FULL: | ||
459 | phy_data = | ||
460 | MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; | ||
461 | break; | ||
462 | default: /* MEDIA_TYPE_10M_HALF: */ | ||
463 | phy_data = MII_CR_SPEED_10 | MII_CR_RESET; | ||
464 | break; | ||
465 | } | ||
466 | } | ||
467 | |||
468 | ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); | ||
469 | if (ret_val) { | ||
470 | u32 val; | ||
471 | int i; | ||
472 | /* pcie serdes link may be down! */ | ||
473 | dev_dbg(&pdev->dev, "pcie phy link down\n"); | ||
474 | |||
475 | for (i = 0; i < 25; i++) { | ||
476 | msleep(1); | ||
477 | val = ioread32(hw->hw_addr + REG_MDIO_CTRL); | ||
478 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
479 | break; | ||
480 | } | ||
481 | |||
482 | if ((val & (MDIO_START | MDIO_BUSY)) != 0) { | ||
483 | dev_warn(&pdev->dev, "pcie link down at least 25ms\n"); | ||
484 | return ret_val; | ||
485 | } | ||
486 | } | ||
487 | return ATL1_SUCCESS; | ||
488 | } | ||
489 | |||
490 | /* | ||
491 | * Configures PHY autoneg and flow control advertisement settings | ||
492 | * hw - Struct containing variables accessed by shared code | ||
493 | */ | ||
494 | s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) | ||
495 | { | ||
496 | s32 ret_val; | ||
497 | s16 mii_autoneg_adv_reg; | ||
498 | s16 mii_1000t_ctrl_reg; | ||
499 | |||
500 | /* Read the MII Auto-Neg Advertisement Register (Address 4). */ | ||
501 | mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; | ||
502 | |||
503 | /* Read the MII 1000Base-T Control Register (Address 9). */ | ||
504 | mii_1000t_ctrl_reg = MII_AT001_CR_1000T_DEFAULT_CAP_MASK; | ||
505 | |||
506 | /* | ||
507 | * First we clear all the 10/100 mb speed bits in the Auto-Neg | ||
508 | * Advertisement Register (Address 4) and the 1000 mb speed bits in | ||
509 | * the 1000Base-T Control Register (Address 9). | ||
510 | */ | ||
511 | mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; | ||
512 | mii_1000t_ctrl_reg &= ~MII_AT001_CR_1000T_SPEED_MASK; | ||
513 | |||
514 | /* | ||
515 | * Need to parse media_type and set up | ||
516 | * the appropriate PHY registers. | ||
517 | */ | ||
518 | switch (hw->media_type) { | ||
519 | case MEDIA_TYPE_AUTO_SENSOR: | ||
520 | mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | | ||
521 | MII_AR_10T_FD_CAPS | | ||
522 | MII_AR_100TX_HD_CAPS | | ||
523 | MII_AR_100TX_FD_CAPS); | ||
524 | mii_1000t_ctrl_reg |= MII_AT001_CR_1000T_FD_CAPS; | ||
525 | break; | ||
526 | |||
527 | case MEDIA_TYPE_1000M_FULL: | ||
528 | mii_1000t_ctrl_reg |= MII_AT001_CR_1000T_FD_CAPS; | ||
529 | break; | ||
530 | |||
531 | case MEDIA_TYPE_100M_FULL: | ||
532 | mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; | ||
533 | break; | ||
534 | |||
535 | case MEDIA_TYPE_100M_HALF: | ||
536 | mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; | ||
537 | break; | ||
538 | |||
539 | case MEDIA_TYPE_10M_FULL: | ||
540 | mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; | ||
541 | break; | ||
542 | |||
543 | default: | ||
544 | mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; | ||
545 | break; | ||
546 | } | ||
547 | |||
548 | /* flow control fixed to enable all */ | ||
549 | mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); | ||
550 | |||
551 | hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; | ||
552 | hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; | ||
553 | |||
554 | ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); | ||
555 | if (ret_val) | ||
556 | return ret_val; | ||
557 | |||
558 | ret_val = atl1_write_phy_reg(hw, MII_AT001_CR, mii_1000t_ctrl_reg); | ||
559 | if (ret_val) | ||
560 | return ret_val; | ||
561 | |||
562 | return ATL1_SUCCESS; | ||
563 | } | ||
564 | |||
565 | /* | ||
566 | * Configures link settings. | ||
567 | * hw - Struct containing variables accessed by shared code | ||
568 | * Assumes the hardware has previously been reset and the | ||
569 | * transmitter and receiver are not enabled. | ||
570 | */ | ||
571 | static s32 atl1_setup_link(struct atl1_hw *hw) | ||
572 | { | ||
573 | struct pci_dev *pdev = hw->back->pdev; | ||
574 | s32 ret_val; | ||
575 | |||
576 | /* | ||
577 | * Options: | ||
578 | * PHY will advertise value(s) parsed from | ||
579 | * autoneg_advertised and fc | ||
580 | * no matter what autoneg is , We will not wait link result. | ||
581 | */ | ||
582 | ret_val = atl1_phy_setup_autoneg_adv(hw); | ||
583 | if (ret_val) { | ||
584 | dev_dbg(&pdev->dev, "error setting up autonegotiation\n"); | ||
585 | return ret_val; | ||
586 | } | ||
587 | /* SW.Reset , En-Auto-Neg if needed */ | ||
588 | ret_val = atl1_phy_reset(hw); | ||
589 | if (ret_val) { | ||
590 | dev_dbg(&pdev->dev, "error resetting phy\n"); | ||
591 | return ret_val; | ||
592 | } | ||
593 | hw->phy_configured = true; | ||
594 | return ret_val; | ||
595 | } | ||
596 | |||
597 | static struct atl1_spi_flash_dev flash_table[] = { | ||
598 | /* MFR_NAME WRSR READ PRGM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */ | ||
599 | {"Atmel", 0x00, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62}, | ||
600 | {"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60}, | ||
601 | {"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7}, | ||
602 | }; | ||
603 | |||
604 | static void atl1_init_flash_opcode(struct atl1_hw *hw) | ||
605 | { | ||
606 | if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) | ||
607 | hw->flash_vendor = 0; /* ATMEL */ | ||
608 | |||
609 | /* Init OP table */ | ||
610 | iowrite8(flash_table[hw->flash_vendor].cmd_program, | ||
611 | hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); | ||
612 | iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, | ||
613 | hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); | ||
614 | iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, | ||
615 | hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); | ||
616 | iowrite8(flash_table[hw->flash_vendor].cmd_rdid, | ||
617 | hw->hw_addr + REG_SPI_FLASH_OP_RDID); | ||
618 | iowrite8(flash_table[hw->flash_vendor].cmd_wren, | ||
619 | hw->hw_addr + REG_SPI_FLASH_OP_WREN); | ||
620 | iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, | ||
621 | hw->hw_addr + REG_SPI_FLASH_OP_RDSR); | ||
622 | iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, | ||
623 | hw->hw_addr + REG_SPI_FLASH_OP_WRSR); | ||
624 | iowrite8(flash_table[hw->flash_vendor].cmd_read, | ||
625 | hw->hw_addr + REG_SPI_FLASH_OP_READ); | ||
626 | } | ||
627 | |||
628 | /* | ||
629 | * Performs basic configuration of the adapter. | ||
630 | * hw - Struct containing variables accessed by shared code | ||
631 | * Assumes that the controller has previously been reset and is in a | ||
632 | * post-reset uninitialized state. Initializes multicast table, | ||
633 | * and Calls routines to setup link | ||
634 | * Leaves the transmit and receive units disabled and uninitialized. | ||
635 | */ | ||
636 | s32 atl1_init_hw(struct atl1_hw *hw) | ||
637 | { | ||
638 | u32 ret_val = 0; | ||
639 | |||
640 | /* Zero out the Multicast HASH table */ | ||
641 | iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); | ||
642 | /* clear the old settings from the multicast hash table */ | ||
643 | iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); | ||
644 | |||
645 | atl1_init_flash_opcode(hw); | ||
646 | |||
647 | if (!hw->phy_configured) { | ||
648 | /* enable GPHY LinkChange Interrrupt */ | ||
649 | ret_val = atl1_write_phy_reg(hw, 18, 0xC00); | ||
650 | if (ret_val) | ||
651 | return ret_val; | ||
652 | /* make PHY out of power-saving state */ | ||
653 | ret_val = atl1_phy_leave_power_saving(hw); | ||
654 | if (ret_val) | ||
655 | return ret_val; | ||
656 | /* Call a subroutine to configure the link */ | ||
657 | ret_val = atl1_setup_link(hw); | ||
658 | } | ||
659 | return ret_val; | ||
660 | } | ||
661 | |||
662 | /* | ||
663 | * Detects the current speed and duplex settings of the hardware. | ||
664 | * hw - Struct containing variables accessed by shared code | ||
665 | * speed - Speed of the connection | ||
666 | * duplex - Duplex setting of the connection | ||
667 | */ | ||
668 | s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) | ||
669 | { | ||
670 | struct pci_dev *pdev = hw->back->pdev; | ||
671 | s32 ret_val; | ||
672 | u16 phy_data; | ||
673 | |||
674 | /* ; --- Read PHY Specific Status Register (17) */ | ||
675 | ret_val = atl1_read_phy_reg(hw, MII_AT001_PSSR, &phy_data); | ||
676 | if (ret_val) | ||
677 | return ret_val; | ||
678 | |||
679 | if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED)) | ||
680 | return ATL1_ERR_PHY_RES; | ||
681 | |||
682 | switch (phy_data & MII_AT001_PSSR_SPEED) { | ||
683 | case MII_AT001_PSSR_1000MBS: | ||
684 | *speed = SPEED_1000; | ||
685 | break; | ||
686 | case MII_AT001_PSSR_100MBS: | ||
687 | *speed = SPEED_100; | ||
688 | break; | ||
689 | case MII_AT001_PSSR_10MBS: | ||
690 | *speed = SPEED_10; | ||
691 | break; | ||
692 | default: | ||
693 | dev_dbg(&pdev->dev, "error getting speed\n"); | ||
694 | return ATL1_ERR_PHY_SPEED; | ||
695 | break; | ||
696 | } | ||
697 | if (phy_data & MII_AT001_PSSR_DPLX) | ||
698 | *duplex = FULL_DUPLEX; | ||
699 | else | ||
700 | *duplex = HALF_DUPLEX; | ||
701 | |||
702 | return ATL1_SUCCESS; | ||
703 | } | ||
704 | |||
705 | void atl1_set_mac_addr(struct atl1_hw *hw) | ||
706 | { | ||
707 | u32 value; | ||
708 | /* | ||
709 | * 00-0B-6A-F6-00-DC | ||
710 | * 0: 6AF600DC 1: 000B | ||
711 | * low dword | ||
712 | */ | ||
713 | value = (((u32) hw->mac_addr[2]) << 24) | | ||
714 | (((u32) hw->mac_addr[3]) << 16) | | ||
715 | (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); | ||
716 | iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); | ||
717 | /* high dword */ | ||
718 | value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); | ||
719 | iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); | ||
720 | } | ||