blob: 6ba1228836e740d2b0001dc07a79f081e0ccad03 [file] [log] [blame]
Auke Kokbc7f75f2007-09-17 12:30:59 -07001/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
Bruce Allanc7e54b12009-11-20 23:25:45 +00004 Copyright(c) 1999 - 2009 Intel Corporation.
Auke Kokbc7f75f2007-09-17 12:30:59 -07005
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/*
30 * 80003ES2LAN Gigabit Ethernet Controller (Copper)
31 * 80003ES2LAN Gigabit Ethernet Controller (Serdes)
32 */
33
Auke Kokbc7f75f2007-09-17 12:30:59 -070034#include "e1000.h"
35
36#define E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL 0x00
37#define E1000_KMRNCTRLSTA_OFFSET_INB_CTRL 0x02
38#define E1000_KMRNCTRLSTA_OFFSET_HD_CTRL 0x10
David Graham2d9498f2008-04-23 11:09:14 -070039#define E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE 0x1F
Auke Kokbc7f75f2007-09-17 12:30:59 -070040
41#define E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS 0x0008
42#define E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS 0x0800
43#define E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING 0x0010
44
45#define E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT 0x0004
46#define E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT 0x0000
David Graham2d9498f2008-04-23 11:09:14 -070047#define E1000_KMRNCTRLSTA_OPMODE_E_IDLE 0x2000
Auke Kokbc7f75f2007-09-17 12:30:59 -070048
49#define E1000_TCTL_EXT_GCEX_MASK 0x000FFC00 /* Gigabit Carry Extend Padding */
50#define DEFAULT_TCTL_EXT_GCEX_80003ES2LAN 0x00010000
51
52#define DEFAULT_TIPG_IPGT_1000_80003ES2LAN 0x8
53#define DEFAULT_TIPG_IPGT_10_100_80003ES2LAN 0x9
54
55/* GG82563 PHY Specific Status Register (Page 0, Register 16 */
56#define GG82563_PSCR_POLARITY_REVERSAL_DISABLE 0x0002 /* 1=Reversal Disab. */
57#define GG82563_PSCR_CROSSOVER_MODE_MASK 0x0060
58#define GG82563_PSCR_CROSSOVER_MODE_MDI 0x0000 /* 00=Manual MDI */
59#define GG82563_PSCR_CROSSOVER_MODE_MDIX 0x0020 /* 01=Manual MDIX */
60#define GG82563_PSCR_CROSSOVER_MODE_AUTO 0x0060 /* 11=Auto crossover */
61
62/* PHY Specific Control Register 2 (Page 0, Register 26) */
63#define GG82563_PSCR2_REVERSE_AUTO_NEG 0x2000
64 /* 1=Reverse Auto-Negotiation */
65
66/* MAC Specific Control Register (Page 2, Register 21) */
67/* Tx clock speed for Link Down and 1000BASE-T for the following speeds */
68#define GG82563_MSCR_TX_CLK_MASK 0x0007
69#define GG82563_MSCR_TX_CLK_10MBPS_2_5 0x0004
70#define GG82563_MSCR_TX_CLK_100MBPS_25 0x0005
71#define GG82563_MSCR_TX_CLK_1000MBPS_25 0x0007
72
73#define GG82563_MSCR_ASSERT_CRS_ON_TX 0x0010 /* 1=Assert */
74
75/* DSP Distance Register (Page 5, Register 26) */
76#define GG82563_DSPD_CABLE_LENGTH 0x0007 /* 0 = <50M
77 1 = 50-80M
78 2 = 80-110M
79 3 = 110-140M
80 4 = >140M */
81
82/* Kumeran Mode Control Register (Page 193, Register 16) */
83#define GG82563_KMCR_PASS_FALSE_CARRIER 0x0800
84
David Graham2d9498f2008-04-23 11:09:14 -070085/* Max number of times Kumeran read/write should be validated */
86#define GG82563_MAX_KMRN_RETRY 0x5
87
Auke Kokbc7f75f2007-09-17 12:30:59 -070088/* Power Management Control Register (Page 193, Register 20) */
89#define GG82563_PMCR_ENABLE_ELECTRICAL_IDLE 0x0001
90 /* 1=Enable SERDES Electrical Idle */
91
92/* In-Band Control Register (Page 194, Register 18) */
93#define GG82563_ICR_DIS_PADDING 0x0010 /* Disable Padding */
94
Bruce Allanad680762008-03-28 09:15:03 -070095/*
96 * A table for the GG82563 cable length where the range is defined
Auke Kokbc7f75f2007-09-17 12:30:59 -070097 * with a lower bound at "index" and the upper bound at
98 * "index + 5".
99 */
100static const u16 e1000_gg82563_cable_length_table[] =
101 { 0, 60, 115, 150, 150, 60, 115, 150, 180, 180, 0xFF };
102
103static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw);
104static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask);
105static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask);
106static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw);
107static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw);
108static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw);
109static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex);
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800110static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw);
111static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
112 u16 *data);
113static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
114 u16 data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700115
116/**
117 * e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
118 * @hw: pointer to the HW structure
Auke Kokbc7f75f2007-09-17 12:30:59 -0700119 **/
120static s32 e1000_init_phy_params_80003es2lan(struct e1000_hw *hw)
121{
122 struct e1000_phy_info *phy = &hw->phy;
123 s32 ret_val;
124
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700125 if (hw->phy.media_type != e1000_media_type_copper) {
Auke Kokbc7f75f2007-09-17 12:30:59 -0700126 phy->type = e1000_phy_none;
127 return 0;
128 }
129
130 phy->addr = 1;
131 phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
132 phy->reset_delay_us = 100;
133 phy->type = e1000_phy_gg82563;
134
135 /* This can only be done after all function pointers are setup. */
136 ret_val = e1000e_get_phy_id(hw);
137
138 /* Verify phy id */
139 if (phy->id != GG82563_E_PHY_ID)
140 return -E1000_ERR_PHY;
141
142 return ret_val;
143}
144
145/**
146 * e1000_init_nvm_params_80003es2lan - Init ESB2 NVM func ptrs.
147 * @hw: pointer to the HW structure
Auke Kokbc7f75f2007-09-17 12:30:59 -0700148 **/
149static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
150{
151 struct e1000_nvm_info *nvm = &hw->nvm;
152 u32 eecd = er32(EECD);
153 u16 size;
154
155 nvm->opcode_bits = 8;
156 nvm->delay_usec = 1;
157 switch (nvm->override) {
158 case e1000_nvm_override_spi_large:
159 nvm->page_size = 32;
160 nvm->address_bits = 16;
161 break;
162 case e1000_nvm_override_spi_small:
163 nvm->page_size = 8;
164 nvm->address_bits = 8;
165 break;
166 default:
167 nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
168 nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
169 break;
170 }
171
Bruce Allanad680762008-03-28 09:15:03 -0700172 nvm->type = e1000_nvm_eeprom_spi;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700173
174 size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
175 E1000_EECD_SIZE_EX_SHIFT);
176
Bruce Allanad680762008-03-28 09:15:03 -0700177 /*
178 * Added to a constant, "size" becomes the left-shift value
Auke Kokbc7f75f2007-09-17 12:30:59 -0700179 * for setting word_size.
180 */
181 size += NVM_WORD_SIZE_BASE_SHIFT;
Jeff Kirsher8d7c2942008-04-02 13:48:07 -0700182
183 /* EEPROM access above 16k is unsupported */
184 if (size > 14)
185 size = 14;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700186 nvm->word_size = 1 << size;
187
188 return 0;
189}
190
191/**
192 * e1000_init_mac_params_80003es2lan - Init ESB2 MAC func ptrs.
193 * @hw: pointer to the HW structure
Auke Kokbc7f75f2007-09-17 12:30:59 -0700194 **/
195static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
196{
197 struct e1000_hw *hw = &adapter->hw;
198 struct e1000_mac_info *mac = &hw->mac;
199 struct e1000_mac_operations *func = &mac->ops;
200
201 /* Set media type */
202 switch (adapter->pdev->device) {
203 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700204 hw->phy.media_type = e1000_media_type_internal_serdes;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700205 break;
206 default:
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700207 hw->phy.media_type = e1000_media_type_copper;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700208 break;
209 }
210
211 /* Set mta register count */
212 mac->mta_reg_count = 128;
213 /* Set rar entry count */
214 mac->rar_entry_count = E1000_RAR_ENTRIES;
215 /* Set if manageability features are enabled. */
Bruce Allan564ea9b2009-11-20 23:26:44 +0000216 mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
217 ? true : false;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700218
219 /* check for link */
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700220 switch (hw->phy.media_type) {
Auke Kokbc7f75f2007-09-17 12:30:59 -0700221 case e1000_media_type_copper:
222 func->setup_physical_interface = e1000_setup_copper_link_80003es2lan;
223 func->check_for_link = e1000e_check_for_copper_link;
224 break;
225 case e1000_media_type_fiber:
226 func->setup_physical_interface = e1000e_setup_fiber_serdes_link;
227 func->check_for_link = e1000e_check_for_fiber_link;
228 break;
229 case e1000_media_type_internal_serdes:
230 func->setup_physical_interface = e1000e_setup_fiber_serdes_link;
231 func->check_for_link = e1000e_check_for_serdes_link;
232 break;
233 default:
234 return -E1000_ERR_CONFIG;
235 break;
236 }
237
238 return 0;
239}
240
Jeff Kirsher69e3fd82008-04-02 13:48:18 -0700241static s32 e1000_get_variants_80003es2lan(struct e1000_adapter *adapter)
Auke Kokbc7f75f2007-09-17 12:30:59 -0700242{
243 struct e1000_hw *hw = &adapter->hw;
244 s32 rc;
245
246 rc = e1000_init_mac_params_80003es2lan(adapter);
247 if (rc)
248 return rc;
249
250 rc = e1000_init_nvm_params_80003es2lan(hw);
251 if (rc)
252 return rc;
253
254 rc = e1000_init_phy_params_80003es2lan(hw);
255 if (rc)
256 return rc;
257
258 return 0;
259}
260
261/**
262 * e1000_acquire_phy_80003es2lan - Acquire rights to access PHY
263 * @hw: pointer to the HW structure
264 *
Bruce Allanfe401672009-11-20 23:26:05 +0000265 * A wrapper to acquire access rights to the correct PHY.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700266 **/
267static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw)
268{
269 u16 mask;
270
271 mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700272 return e1000_acquire_swfw_sync_80003es2lan(hw, mask);
273}
274
275/**
276 * e1000_release_phy_80003es2lan - Release rights to access PHY
277 * @hw: pointer to the HW structure
278 *
Bruce Allanfe401672009-11-20 23:26:05 +0000279 * A wrapper to release access rights to the correct PHY.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700280 **/
281static void e1000_release_phy_80003es2lan(struct e1000_hw *hw)
282{
283 u16 mask;
284
285 mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800286 e1000_release_swfw_sync_80003es2lan(hw, mask);
287}
288
289/**
290 * e1000_acquire_mac_csr_80003es2lan - Acquire rights to access Kumeran register
291 * @hw: pointer to the HW structure
292 *
293 * Acquire the semaphore to access the Kumeran interface.
294 *
295 **/
296static s32 e1000_acquire_mac_csr_80003es2lan(struct e1000_hw *hw)
297{
298 u16 mask;
299
300 mask = E1000_SWFW_CSR_SM;
301
302 return e1000_acquire_swfw_sync_80003es2lan(hw, mask);
303}
304
305/**
306 * e1000_release_mac_csr_80003es2lan - Release rights to access Kumeran Register
307 * @hw: pointer to the HW structure
308 *
309 * Release the semaphore used to access the Kumeran interface
310 **/
311static void e1000_release_mac_csr_80003es2lan(struct e1000_hw *hw)
312{
313 u16 mask;
314
315 mask = E1000_SWFW_CSR_SM;
David Graham2d9498f2008-04-23 11:09:14 -0700316
Auke Kokbc7f75f2007-09-17 12:30:59 -0700317 e1000_release_swfw_sync_80003es2lan(hw, mask);
318}
319
320/**
321 * e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
322 * @hw: pointer to the HW structure
323 *
Bruce Allanfe401672009-11-20 23:26:05 +0000324 * Acquire the semaphore to access the EEPROM.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700325 **/
326static s32 e1000_acquire_nvm_80003es2lan(struct e1000_hw *hw)
327{
328 s32 ret_val;
329
330 ret_val = e1000_acquire_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM);
331 if (ret_val)
332 return ret_val;
333
334 ret_val = e1000e_acquire_nvm(hw);
335
336 if (ret_val)
337 e1000_release_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM);
338
339 return ret_val;
340}
341
342/**
343 * e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
344 * @hw: pointer to the HW structure
345 *
Bruce Allanfe401672009-11-20 23:26:05 +0000346 * Release the semaphore used to access the EEPROM.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700347 **/
348static void e1000_release_nvm_80003es2lan(struct e1000_hw *hw)
349{
350 e1000e_release_nvm(hw);
351 e1000_release_swfw_sync_80003es2lan(hw, E1000_SWFW_EEP_SM);
352}
353
354/**
355 * e1000_acquire_swfw_sync_80003es2lan - Acquire SW/FW semaphore
356 * @hw: pointer to the HW structure
357 * @mask: specifies which semaphore to acquire
358 *
359 * Acquire the SW/FW semaphore to access the PHY or NVM. The mask
360 * will also specify which port we're acquiring the lock for.
361 **/
362static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
363{
364 u32 swfw_sync;
365 u32 swmask = mask;
366 u32 fwmask = mask << 16;
367 s32 i = 0;
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800368 s32 timeout = 50;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700369
370 while (i < timeout) {
371 if (e1000e_get_hw_semaphore(hw))
372 return -E1000_ERR_SWFW_SYNC;
373
374 swfw_sync = er32(SW_FW_SYNC);
375 if (!(swfw_sync & (fwmask | swmask)))
376 break;
377
Bruce Allanad680762008-03-28 09:15:03 -0700378 /*
379 * Firmware currently using resource (fwmask)
380 * or other software thread using resource (swmask)
381 */
Auke Kokbc7f75f2007-09-17 12:30:59 -0700382 e1000e_put_hw_semaphore(hw);
383 mdelay(5);
384 i++;
385 }
386
387 if (i == timeout) {
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000388 e_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700389 return -E1000_ERR_SWFW_SYNC;
390 }
391
392 swfw_sync |= swmask;
393 ew32(SW_FW_SYNC, swfw_sync);
394
395 e1000e_put_hw_semaphore(hw);
396
397 return 0;
398}
399
400/**
401 * e1000_release_swfw_sync_80003es2lan - Release SW/FW semaphore
402 * @hw: pointer to the HW structure
403 * @mask: specifies which semaphore to acquire
404 *
405 * Release the SW/FW semaphore used to access the PHY or NVM. The mask
406 * will also specify which port we're releasing the lock for.
407 **/
408static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
409{
410 u32 swfw_sync;
411
412 while (e1000e_get_hw_semaphore(hw) != 0);
413 /* Empty */
414
415 swfw_sync = er32(SW_FW_SYNC);
416 swfw_sync &= ~mask;
417 ew32(SW_FW_SYNC, swfw_sync);
418
419 e1000e_put_hw_semaphore(hw);
420}
421
422/**
423 * e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register
424 * @hw: pointer to the HW structure
425 * @offset: offset of the register to read
426 * @data: pointer to the data returned from the operation
427 *
Bruce Allanfe401672009-11-20 23:26:05 +0000428 * Read the GG82563 PHY register.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700429 **/
430static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
431 u32 offset, u16 *data)
432{
433 s32 ret_val;
434 u32 page_select;
435 u16 temp;
436
David Graham2d9498f2008-04-23 11:09:14 -0700437 ret_val = e1000_acquire_phy_80003es2lan(hw);
438 if (ret_val)
439 return ret_val;
440
Auke Kokbc7f75f2007-09-17 12:30:59 -0700441 /* Select Configuration Page */
David Graham2d9498f2008-04-23 11:09:14 -0700442 if ((offset & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG) {
Auke Kokbc7f75f2007-09-17 12:30:59 -0700443 page_select = GG82563_PHY_PAGE_SELECT;
David Graham2d9498f2008-04-23 11:09:14 -0700444 } else {
Bruce Allanad680762008-03-28 09:15:03 -0700445 /*
446 * Use Alternative Page Select register to access
Auke Kokbc7f75f2007-09-17 12:30:59 -0700447 * registers 30 and 31
448 */
449 page_select = GG82563_PHY_PAGE_SELECT_ALT;
David Graham2d9498f2008-04-23 11:09:14 -0700450 }
Auke Kokbc7f75f2007-09-17 12:30:59 -0700451
452 temp = (u16)((u16)offset >> GG82563_PAGE_SHIFT);
David Graham2d9498f2008-04-23 11:09:14 -0700453 ret_val = e1000e_write_phy_reg_mdic(hw, page_select, temp);
454 if (ret_val) {
455 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700456 return ret_val;
David Graham2d9498f2008-04-23 11:09:14 -0700457 }
Auke Kokbc7f75f2007-09-17 12:30:59 -0700458
Bruce Allanad680762008-03-28 09:15:03 -0700459 /*
460 * The "ready" bit in the MDIC register may be incorrectly set
Auke Kokbc7f75f2007-09-17 12:30:59 -0700461 * before the device has completed the "Page Select" MDI
462 * transaction. So we wait 200us after each MDI command...
463 */
464 udelay(200);
465
466 /* ...and verify the command was successful. */
David Graham2d9498f2008-04-23 11:09:14 -0700467 ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700468
469 if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
470 ret_val = -E1000_ERR_PHY;
David Graham2d9498f2008-04-23 11:09:14 -0700471 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700472 return ret_val;
473 }
474
475 udelay(200);
476
David Graham2d9498f2008-04-23 11:09:14 -0700477 ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
478 data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700479
480 udelay(200);
David Graham2d9498f2008-04-23 11:09:14 -0700481 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700482
483 return ret_val;
484}
485
486/**
487 * e1000_write_phy_reg_gg82563_80003es2lan - Write GG82563 PHY register
488 * @hw: pointer to the HW structure
489 * @offset: offset of the register to read
490 * @data: value to write to the register
491 *
Bruce Allanfe401672009-11-20 23:26:05 +0000492 * Write to the GG82563 PHY register.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700493 **/
494static s32 e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
495 u32 offset, u16 data)
496{
497 s32 ret_val;
498 u32 page_select;
499 u16 temp;
500
David Graham2d9498f2008-04-23 11:09:14 -0700501 ret_val = e1000_acquire_phy_80003es2lan(hw);
502 if (ret_val)
503 return ret_val;
504
Auke Kokbc7f75f2007-09-17 12:30:59 -0700505 /* Select Configuration Page */
David Graham2d9498f2008-04-23 11:09:14 -0700506 if ((offset & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG) {
Auke Kokbc7f75f2007-09-17 12:30:59 -0700507 page_select = GG82563_PHY_PAGE_SELECT;
David Graham2d9498f2008-04-23 11:09:14 -0700508 } else {
Bruce Allanad680762008-03-28 09:15:03 -0700509 /*
510 * Use Alternative Page Select register to access
Auke Kokbc7f75f2007-09-17 12:30:59 -0700511 * registers 30 and 31
512 */
513 page_select = GG82563_PHY_PAGE_SELECT_ALT;
David Graham2d9498f2008-04-23 11:09:14 -0700514 }
Auke Kokbc7f75f2007-09-17 12:30:59 -0700515
516 temp = (u16)((u16)offset >> GG82563_PAGE_SHIFT);
David Graham2d9498f2008-04-23 11:09:14 -0700517 ret_val = e1000e_write_phy_reg_mdic(hw, page_select, temp);
518 if (ret_val) {
519 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700520 return ret_val;
David Graham2d9498f2008-04-23 11:09:14 -0700521 }
Auke Kokbc7f75f2007-09-17 12:30:59 -0700522
523
Bruce Allanad680762008-03-28 09:15:03 -0700524 /*
525 * The "ready" bit in the MDIC register may be incorrectly set
Auke Kokbc7f75f2007-09-17 12:30:59 -0700526 * before the device has completed the "Page Select" MDI
527 * transaction. So we wait 200us after each MDI command...
528 */
529 udelay(200);
530
531 /* ...and verify the command was successful. */
David Graham2d9498f2008-04-23 11:09:14 -0700532 ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700533
David Graham2d9498f2008-04-23 11:09:14 -0700534 if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
535 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700536 return -E1000_ERR_PHY;
David Graham2d9498f2008-04-23 11:09:14 -0700537 }
Auke Kokbc7f75f2007-09-17 12:30:59 -0700538
539 udelay(200);
540
David Graham2d9498f2008-04-23 11:09:14 -0700541 ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
542 data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700543
544 udelay(200);
David Graham2d9498f2008-04-23 11:09:14 -0700545 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700546
547 return ret_val;
548}
549
550/**
551 * e1000_write_nvm_80003es2lan - Write to ESB2 NVM
552 * @hw: pointer to the HW structure
553 * @offset: offset of the register to read
554 * @words: number of words to write
555 * @data: buffer of data to write to the NVM
556 *
Bruce Allanfe401672009-11-20 23:26:05 +0000557 * Write "words" of data to the ESB2 NVM.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700558 **/
559static s32 e1000_write_nvm_80003es2lan(struct e1000_hw *hw, u16 offset,
560 u16 words, u16 *data)
561{
562 return e1000e_write_nvm_spi(hw, offset, words, data);
563}
564
565/**
566 * e1000_get_cfg_done_80003es2lan - Wait for configuration to complete
567 * @hw: pointer to the HW structure
568 *
569 * Wait a specific amount of time for manageability processes to complete.
570 * This is a function pointer entry point called by the phy module.
571 **/
572static s32 e1000_get_cfg_done_80003es2lan(struct e1000_hw *hw)
573{
574 s32 timeout = PHY_CFG_TIMEOUT;
575 u32 mask = E1000_NVM_CFG_DONE_PORT_0;
576
577 if (hw->bus.func == 1)
578 mask = E1000_NVM_CFG_DONE_PORT_1;
579
580 while (timeout) {
581 if (er32(EEMNGCTL) & mask)
582 break;
583 msleep(1);
584 timeout--;
585 }
586 if (!timeout) {
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000587 e_dbg("MNG configuration cycle has not completed.\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700588 return -E1000_ERR_RESET;
589 }
590
591 return 0;
592}
593
594/**
595 * e1000_phy_force_speed_duplex_80003es2lan - Force PHY speed and duplex
596 * @hw: pointer to the HW structure
597 *
598 * Force the speed and duplex settings onto the PHY. This is a
599 * function pointer entry point called by the phy module.
600 **/
601static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw)
602{
603 s32 ret_val;
604 u16 phy_data;
605 bool link;
606
Bruce Allanad680762008-03-28 09:15:03 -0700607 /*
608 * Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
Auke Kokbc7f75f2007-09-17 12:30:59 -0700609 * forced whenever speed and duplex are forced.
610 */
611 ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
612 if (ret_val)
613 return ret_val;
614
615 phy_data &= ~GG82563_PSCR_CROSSOVER_MODE_AUTO;
616 ret_val = e1e_wphy(hw, GG82563_PHY_SPEC_CTRL, phy_data);
617 if (ret_val)
618 return ret_val;
619
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000620 e_dbg("GG82563 PSCR: %X\n", phy_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700621
622 ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
623 if (ret_val)
624 return ret_val;
625
626 e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
627
628 /* Reset the phy to commit changes. */
629 phy_data |= MII_CR_RESET;
630
631 ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
632 if (ret_val)
633 return ret_val;
634
635 udelay(1);
636
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700637 if (hw->phy.autoneg_wait_to_complete) {
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000638 e_dbg("Waiting for forced speed/duplex link "
Auke Kokbc7f75f2007-09-17 12:30:59 -0700639 "on GG82563 phy.\n");
640
641 ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
642 100000, &link);
643 if (ret_val)
644 return ret_val;
645
646 if (!link) {
Bruce Allanad680762008-03-28 09:15:03 -0700647 /*
648 * We didn't get link.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700649 * Reset the DSP and cross our fingers.
650 */
651 ret_val = e1000e_phy_reset_dsp(hw);
652 if (ret_val)
653 return ret_val;
654 }
655
656 /* Try once more */
657 ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
658 100000, &link);
659 if (ret_val)
660 return ret_val;
661 }
662
663 ret_val = e1e_rphy(hw, GG82563_PHY_MAC_SPEC_CTRL, &phy_data);
664 if (ret_val)
665 return ret_val;
666
Bruce Allanad680762008-03-28 09:15:03 -0700667 /*
668 * Resetting the phy means we need to verify the TX_CLK corresponds
Auke Kokbc7f75f2007-09-17 12:30:59 -0700669 * to the link speed. 10Mbps -> 2.5MHz, else 25MHz.
670 */
671 phy_data &= ~GG82563_MSCR_TX_CLK_MASK;
672 if (hw->mac.forced_speed_duplex & E1000_ALL_10_SPEED)
673 phy_data |= GG82563_MSCR_TX_CLK_10MBPS_2_5;
674 else
675 phy_data |= GG82563_MSCR_TX_CLK_100MBPS_25;
676
Bruce Allanad680762008-03-28 09:15:03 -0700677 /*
678 * In addition, we must re-enable CRS on Tx for both half and full
Auke Kokbc7f75f2007-09-17 12:30:59 -0700679 * duplex.
680 */
681 phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX;
682 ret_val = e1e_wphy(hw, GG82563_PHY_MAC_SPEC_CTRL, phy_data);
683
684 return ret_val;
685}
686
687/**
688 * e1000_get_cable_length_80003es2lan - Set approximate cable length
689 * @hw: pointer to the HW structure
690 *
691 * Find the approximate cable length as measured by the GG82563 PHY.
692 * This is a function pointer entry point called by the phy module.
693 **/
694static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw)
695{
696 struct e1000_phy_info *phy = &hw->phy;
697 s32 ret_val;
698 u16 phy_data;
699 u16 index;
700
701 ret_val = e1e_rphy(hw, GG82563_PHY_DSP_DISTANCE, &phy_data);
702 if (ret_val)
703 return ret_val;
704
705 index = phy_data & GG82563_DSPD_CABLE_LENGTH;
706 phy->min_cable_length = e1000_gg82563_cable_length_table[index];
707 phy->max_cable_length = e1000_gg82563_cable_length_table[index+5];
708
709 phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
710
711 return 0;
712}
713
714/**
715 * e1000_get_link_up_info_80003es2lan - Report speed and duplex
716 * @hw: pointer to the HW structure
717 * @speed: pointer to speed buffer
718 * @duplex: pointer to duplex buffer
719 *
720 * Retrieve the current speed and duplex configuration.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700721 **/
722static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
723 u16 *duplex)
724{
725 s32 ret_val;
726
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700727 if (hw->phy.media_type == e1000_media_type_copper) {
Auke Kokbc7f75f2007-09-17 12:30:59 -0700728 ret_val = e1000e_get_speed_and_duplex_copper(hw,
729 speed,
730 duplex);
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800731 hw->phy.ops.cfg_on_link_up(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700732 } else {
733 ret_val = e1000e_get_speed_and_duplex_fiber_serdes(hw,
734 speed,
735 duplex);
736 }
737
738 return ret_val;
739}
740
741/**
742 * e1000_reset_hw_80003es2lan - Reset the ESB2 controller
743 * @hw: pointer to the HW structure
744 *
745 * Perform a global reset to the ESB2 controller.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700746 **/
747static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
748{
749 u32 ctrl;
750 u32 icr;
751 s32 ret_val;
752
Bruce Allanad680762008-03-28 09:15:03 -0700753 /*
754 * Prevent the PCI-E bus from sticking if there is no TLP connection
Auke Kokbc7f75f2007-09-17 12:30:59 -0700755 * on the last TLP read/write transaction when MAC is reset.
756 */
757 ret_val = e1000e_disable_pcie_master(hw);
758 if (ret_val)
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000759 e_dbg("PCI-E Master disable polling has failed.\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700760
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000761 e_dbg("Masking off all interrupts\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700762 ew32(IMC, 0xffffffff);
763
764 ew32(RCTL, 0);
765 ew32(TCTL, E1000_TCTL_PSP);
766 e1e_flush();
767
768 msleep(10);
769
770 ctrl = er32(CTRL);
771
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800772 ret_val = e1000_acquire_phy_80003es2lan(hw);
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000773 e_dbg("Issuing a global reset to MAC\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700774 ew32(CTRL, ctrl | E1000_CTRL_RST);
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800775 e1000_release_phy_80003es2lan(hw);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700776
777 ret_val = e1000e_get_auto_rd_done(hw);
778 if (ret_val)
779 /* We don't want to continue accessing MAC registers. */
780 return ret_val;
781
782 /* Clear any pending interrupt events. */
783 ew32(IMC, 0xffffffff);
784 icr = er32(ICR);
785
786 return 0;
787}
788
789/**
790 * e1000_init_hw_80003es2lan - Initialize the ESB2 controller
791 * @hw: pointer to the HW structure
792 *
793 * Initialize the hw bits, LED, VFTA, MTA, link and hw counters.
Auke Kokbc7f75f2007-09-17 12:30:59 -0700794 **/
795static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
796{
797 struct e1000_mac_info *mac = &hw->mac;
798 u32 reg_data;
799 s32 ret_val;
800 u16 i;
801
802 e1000_initialize_hw_bits_80003es2lan(hw);
803
804 /* Initialize identification LED */
805 ret_val = e1000e_id_led_init(hw);
Bruce Allande39b752009-11-20 23:27:59 +0000806 if (ret_val)
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000807 e_dbg("Error initializing identification LED\n");
Bruce Allande39b752009-11-20 23:27:59 +0000808 /* This is not fatal and we should not stop init due to this */
Auke Kokbc7f75f2007-09-17 12:30:59 -0700809
810 /* Disabling VLAN filtering */
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000811 e_dbg("Initializing the IEEE VLAN\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700812 e1000e_clear_vfta(hw);
813
814 /* Setup the receive address. */
815 e1000e_init_rx_addrs(hw, mac->rar_entry_count);
816
817 /* Zero out the Multicast HASH table */
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000818 e_dbg("Zeroing the MTA\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700819 for (i = 0; i < mac->mta_reg_count; i++)
820 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
821
822 /* Setup link and flow control */
823 ret_val = e1000e_setup_link(hw);
824
825 /* Set the transmit descriptor write-back policy */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700826 reg_data = er32(TXDCTL(0));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700827 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
828 E1000_TXDCTL_FULL_TX_DESC_WB | E1000_TXDCTL_COUNT_DESC;
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700829 ew32(TXDCTL(0), reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700830
831 /* ...for both queues. */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700832 reg_data = er32(TXDCTL(1));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700833 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
834 E1000_TXDCTL_FULL_TX_DESC_WB | E1000_TXDCTL_COUNT_DESC;
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700835 ew32(TXDCTL(1), reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700836
837 /* Enable retransmit on late collisions */
838 reg_data = er32(TCTL);
839 reg_data |= E1000_TCTL_RTLC;
840 ew32(TCTL, reg_data);
841
842 /* Configure Gigabit Carry Extend Padding */
843 reg_data = er32(TCTL_EXT);
844 reg_data &= ~E1000_TCTL_EXT_GCEX_MASK;
845 reg_data |= DEFAULT_TCTL_EXT_GCEX_80003ES2LAN;
846 ew32(TCTL_EXT, reg_data);
847
848 /* Configure Transmit Inter-Packet Gap */
849 reg_data = er32(TIPG);
850 reg_data &= ~E1000_TIPG_IPGT_MASK;
851 reg_data |= DEFAULT_TIPG_IPGT_1000_80003ES2LAN;
852 ew32(TIPG, reg_data);
853
854 reg_data = E1000_READ_REG_ARRAY(hw, E1000_FFLT, 0x0001);
855 reg_data &= ~0x00100000;
856 E1000_WRITE_REG_ARRAY(hw, E1000_FFLT, 0x0001, reg_data);
857
Bruce Allanad680762008-03-28 09:15:03 -0700858 /*
859 * Clear all of the statistics registers (clear on read). It is
Auke Kokbc7f75f2007-09-17 12:30:59 -0700860 * important that we do this after we have tried to establish link
861 * because the symbol error count will increment wildly if there
862 * is no link.
863 */
864 e1000_clear_hw_cntrs_80003es2lan(hw);
865
866 return ret_val;
867}
868
869/**
870 * e1000_initialize_hw_bits_80003es2lan - Init hw bits of ESB2
871 * @hw: pointer to the HW structure
872 *
873 * Initializes required hardware-dependent bits needed for normal operation.
874 **/
875static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw)
876{
877 u32 reg;
878
879 /* Transmit Descriptor Control 0 */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700880 reg = er32(TXDCTL(0));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700881 reg |= (1 << 22);
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700882 ew32(TXDCTL(0), reg);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700883
884 /* Transmit Descriptor Control 1 */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700885 reg = er32(TXDCTL(1));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700886 reg |= (1 << 22);
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700887 ew32(TXDCTL(1), reg);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700888
889 /* Transmit Arbitration Control 0 */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700890 reg = er32(TARC(0));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700891 reg &= ~(0xF << 27); /* 30:27 */
Jeff Kirsher318a94d2008-03-28 09:15:16 -0700892 if (hw->phy.media_type != e1000_media_type_copper)
Auke Kokbc7f75f2007-09-17 12:30:59 -0700893 reg &= ~(1 << 20);
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700894 ew32(TARC(0), reg);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700895
896 /* Transmit Arbitration Control 1 */
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700897 reg = er32(TARC(1));
Auke Kokbc7f75f2007-09-17 12:30:59 -0700898 if (er32(TCTL) & E1000_TCTL_MULR)
899 reg &= ~(1 << 28);
900 else
901 reg |= (1 << 28);
Jeff Kirshere9ec2c02008-04-02 13:48:13 -0700902 ew32(TARC(1), reg);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700903}
904
905/**
906 * e1000_copper_link_setup_gg82563_80003es2lan - Configure GG82563 Link
907 * @hw: pointer to the HW structure
908 *
909 * Setup some GG82563 PHY registers for obtaining link
910 **/
911static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
912{
913 struct e1000_phy_info *phy = &hw->phy;
914 s32 ret_val;
915 u32 ctrl_ext;
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800916 u16 data;
Auke Kokbc7f75f2007-09-17 12:30:59 -0700917
David Graham2d9498f2008-04-23 11:09:14 -0700918 ret_val = e1e_rphy(hw, GG82563_PHY_MAC_SPEC_CTRL, &data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700919 if (ret_val)
920 return ret_val;
921
922 data |= GG82563_MSCR_ASSERT_CRS_ON_TX;
923 /* Use 25MHz for both link down and 1000Base-T for Tx clock. */
924 data |= GG82563_MSCR_TX_CLK_1000MBPS_25;
925
David Graham2d9498f2008-04-23 11:09:14 -0700926 ret_val = e1e_wphy(hw, GG82563_PHY_MAC_SPEC_CTRL, data);
Auke Kokbc7f75f2007-09-17 12:30:59 -0700927 if (ret_val)
928 return ret_val;
929
Bruce Allanad680762008-03-28 09:15:03 -0700930 /*
931 * Options:
Auke Kokbc7f75f2007-09-17 12:30:59 -0700932 * MDI/MDI-X = 0 (default)
933 * 0 - Auto for all speeds
934 * 1 - MDI mode
935 * 2 - MDI-X mode
936 * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
937 */
938 ret_val = e1e_rphy(hw, GG82563_PHY_SPEC_CTRL, &data);
939 if (ret_val)
940 return ret_val;
941
942 data &= ~GG82563_PSCR_CROSSOVER_MODE_MASK;
943
944 switch (phy->mdix) {
945 case 1:
946 data |= GG82563_PSCR_CROSSOVER_MODE_MDI;
947 break;
948 case 2:
949 data |= GG82563_PSCR_CROSSOVER_MODE_MDIX;
950 break;
951 case 0:
952 default:
953 data |= GG82563_PSCR_CROSSOVER_MODE_AUTO;
954 break;
955 }
956
Bruce Allanad680762008-03-28 09:15:03 -0700957 /*
958 * Options:
Auke Kokbc7f75f2007-09-17 12:30:59 -0700959 * disable_polarity_correction = 0 (default)
960 * Automatic Correction for Reversed Cable Polarity
961 * 0 - Disabled
962 * 1 - Enabled
963 */
964 data &= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE;
965 if (phy->disable_polarity_correction)
966 data |= GG82563_PSCR_POLARITY_REVERSAL_DISABLE;
967
968 ret_val = e1e_wphy(hw, GG82563_PHY_SPEC_CTRL, data);
969 if (ret_val)
970 return ret_val;
971
972 /* SW Reset the PHY so all changes take effect */
973 ret_val = e1000e_commit_phy(hw);
974 if (ret_val) {
Bruce Allan3bb99fe2009-11-20 23:25:07 +0000975 e_dbg("Error Resetting the PHY\n");
Auke Kokbc7f75f2007-09-17 12:30:59 -0700976 return ret_val;
977 }
978
Bruce Allanad680762008-03-28 09:15:03 -0700979 /* Bypass Rx and Tx FIFO's */
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800980 ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
981 E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL,
Bruce Allanad680762008-03-28 09:15:03 -0700982 E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS |
Auke Kokbc7f75f2007-09-17 12:30:59 -0700983 E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS);
984 if (ret_val)
985 return ret_val;
986
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800987 ret_val = e1000_read_kmrn_reg_80003es2lan(hw,
David Graham2d9498f2008-04-23 11:09:14 -0700988 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE,
989 &data);
990 if (ret_val)
991 return ret_val;
992 data |= E1000_KMRNCTRLSTA_OPMODE_E_IDLE;
Bruce Allan75eb0fa2008-11-21 16:53:51 -0800993 ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
David Graham2d9498f2008-04-23 11:09:14 -0700994 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE,
995 data);
996 if (ret_val)
997 return ret_val;
998
Auke Kokbc7f75f2007-09-17 12:30:59 -0700999 ret_val = e1e_rphy(hw, GG82563_PHY_SPEC_CTRL_2, &data);
1000 if (ret_val)
1001 return ret_val;
1002
1003 data &= ~GG82563_PSCR2_REVERSE_AUTO_NEG;
1004 ret_val = e1e_wphy(hw, GG82563_PHY_SPEC_CTRL_2, data);
1005 if (ret_val)
1006 return ret_val;
1007
1008 ctrl_ext = er32(CTRL_EXT);
1009 ctrl_ext &= ~(E1000_CTRL_EXT_LINK_MODE_MASK);
1010 ew32(CTRL_EXT, ctrl_ext);
1011
1012 ret_val = e1e_rphy(hw, GG82563_PHY_PWR_MGMT_CTRL, &data);
1013 if (ret_val)
1014 return ret_val;
1015
Bruce Allanad680762008-03-28 09:15:03 -07001016 /*
1017 * Do not init these registers when the HW is in IAMT mode, since the
Auke Kokbc7f75f2007-09-17 12:30:59 -07001018 * firmware will have already initialized them. We only initialize
1019 * them if the HW is not in IAMT mode.
1020 */
1021 if (!e1000e_check_mng_mode(hw)) {
1022 /* Enable Electrical Idle on the PHY */
1023 data |= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE;
1024 ret_val = e1e_wphy(hw, GG82563_PHY_PWR_MGMT_CTRL, data);
1025 if (ret_val)
1026 return ret_val;
1027
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001028 ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &data);
1029 if (ret_val)
1030 return ret_val;
Auke Kokbc7f75f2007-09-17 12:30:59 -07001031
1032 data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
1033 ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, data);
1034 if (ret_val)
1035 return ret_val;
1036 }
1037
Bruce Allanad680762008-03-28 09:15:03 -07001038 /*
1039 * Workaround: Disable padding in Kumeran interface in the MAC
Auke Kokbc7f75f2007-09-17 12:30:59 -07001040 * and in the PHY to avoid CRC errors.
1041 */
1042 ret_val = e1e_rphy(hw, GG82563_PHY_INBAND_CTRL, &data);
1043 if (ret_val)
1044 return ret_val;
1045
1046 data |= GG82563_ICR_DIS_PADDING;
1047 ret_val = e1e_wphy(hw, GG82563_PHY_INBAND_CTRL, data);
1048 if (ret_val)
1049 return ret_val;
1050
1051 return 0;
1052}
1053
1054/**
1055 * e1000_setup_copper_link_80003es2lan - Setup Copper Link for ESB2
1056 * @hw: pointer to the HW structure
1057 *
1058 * Essentially a wrapper for setting up all things "copper" related.
1059 * This is a function pointer entry point called by the mac module.
1060 **/
1061static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw)
1062{
1063 u32 ctrl;
1064 s32 ret_val;
1065 u16 reg_data;
1066
1067 ctrl = er32(CTRL);
1068 ctrl |= E1000_CTRL_SLU;
1069 ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
1070 ew32(CTRL, ctrl);
1071
Bruce Allanad680762008-03-28 09:15:03 -07001072 /*
1073 * Set the mac to wait the maximum time between each
Auke Kokbc7f75f2007-09-17 12:30:59 -07001074 * iteration and increase the max iterations when
Bruce Allanad680762008-03-28 09:15:03 -07001075 * polling the phy; this fixes erroneous timeouts at 10Mbps.
1076 */
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001077 ret_val = e1000_write_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 4),
1078 0xFFFF);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001079 if (ret_val)
1080 return ret_val;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001081 ret_val = e1000_read_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 9),
1082 &reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001083 if (ret_val)
1084 return ret_val;
1085 reg_data |= 0x3F;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001086 ret_val = e1000_write_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 9),
1087 reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001088 if (ret_val)
1089 return ret_val;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001090 ret_val = e1000_read_kmrn_reg_80003es2lan(hw,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001091 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
1092 &reg_data);
1093 if (ret_val)
1094 return ret_val;
1095 reg_data |= E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001096 ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
1097 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
Bruce Allanad680762008-03-28 09:15:03 -07001098 reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001099 if (ret_val)
1100 return ret_val;
1101
1102 ret_val = e1000_copper_link_setup_gg82563_80003es2lan(hw);
1103 if (ret_val)
1104 return ret_val;
1105
1106 ret_val = e1000e_setup_copper_link(hw);
1107
1108 return 0;
1109}
1110
1111/**
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001112 * e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
1113 * @hw: pointer to the HW structure
1114 * @duplex: current duplex setting
1115 *
1116 * Configure the KMRN interface by applying last minute quirks for
1117 * 10/100 operation.
1118 **/
1119static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw)
1120{
1121 s32 ret_val = 0;
1122 u16 speed;
1123 u16 duplex;
1124
1125 if (hw->phy.media_type == e1000_media_type_copper) {
1126 ret_val = e1000e_get_speed_and_duplex_copper(hw, &speed,
1127 &duplex);
1128 if (ret_val)
1129 return ret_val;
1130
1131 if (speed == SPEED_1000)
1132 ret_val = e1000_cfg_kmrn_1000_80003es2lan(hw);
1133 else
1134 ret_val = e1000_cfg_kmrn_10_100_80003es2lan(hw, duplex);
1135 }
1136
1137 return ret_val;
1138}
1139
1140/**
Auke Kokbc7f75f2007-09-17 12:30:59 -07001141 * e1000_cfg_kmrn_10_100_80003es2lan - Apply "quirks" for 10/100 operation
1142 * @hw: pointer to the HW structure
1143 * @duplex: current duplex setting
1144 *
1145 * Configure the KMRN interface by applying last minute quirks for
1146 * 10/100 operation.
1147 **/
1148static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex)
1149{
1150 s32 ret_val;
1151 u32 tipg;
David Graham2d9498f2008-04-23 11:09:14 -07001152 u32 i = 0;
1153 u16 reg_data, reg_data2;
Auke Kokbc7f75f2007-09-17 12:30:59 -07001154
1155 reg_data = E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001156 ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
1157 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
1158 reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001159 if (ret_val)
1160 return ret_val;
1161
1162 /* Configure Transmit Inter-Packet Gap */
1163 tipg = er32(TIPG);
1164 tipg &= ~E1000_TIPG_IPGT_MASK;
1165 tipg |= DEFAULT_TIPG_IPGT_10_100_80003ES2LAN;
1166 ew32(TIPG, tipg);
1167
David Graham2d9498f2008-04-23 11:09:14 -07001168 do {
1169 ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data);
1170 if (ret_val)
1171 return ret_val;
1172
1173 ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data2);
1174 if (ret_val)
1175 return ret_val;
1176 i++;
1177 } while ((reg_data != reg_data2) && (i < GG82563_MAX_KMRN_RETRY));
Auke Kokbc7f75f2007-09-17 12:30:59 -07001178
1179 if (duplex == HALF_DUPLEX)
1180 reg_data |= GG82563_KMCR_PASS_FALSE_CARRIER;
1181 else
1182 reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
1183
1184 ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
1185
1186 return 0;
1187}
1188
1189/**
1190 * e1000_cfg_kmrn_1000_80003es2lan - Apply "quirks" for gigabit operation
1191 * @hw: pointer to the HW structure
1192 *
1193 * Configure the KMRN interface by applying last minute quirks for
1194 * gigabit operation.
1195 **/
1196static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw)
1197{
1198 s32 ret_val;
David Graham2d9498f2008-04-23 11:09:14 -07001199 u16 reg_data, reg_data2;
Auke Kokbc7f75f2007-09-17 12:30:59 -07001200 u32 tipg;
David Graham2d9498f2008-04-23 11:09:14 -07001201 u32 i = 0;
Auke Kokbc7f75f2007-09-17 12:30:59 -07001202
1203 reg_data = E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT;
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001204 ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
1205 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
1206 reg_data);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001207 if (ret_val)
1208 return ret_val;
1209
1210 /* Configure Transmit Inter-Packet Gap */
1211 tipg = er32(TIPG);
1212 tipg &= ~E1000_TIPG_IPGT_MASK;
1213 tipg |= DEFAULT_TIPG_IPGT_1000_80003ES2LAN;
1214 ew32(TIPG, tipg);
1215
David Graham2d9498f2008-04-23 11:09:14 -07001216 do {
1217 ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data);
1218 if (ret_val)
1219 return ret_val;
1220
1221 ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data2);
1222 if (ret_val)
1223 return ret_val;
1224 i++;
1225 } while ((reg_data != reg_data2) && (i < GG82563_MAX_KMRN_RETRY));
Auke Kokbc7f75f2007-09-17 12:30:59 -07001226
1227 reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
1228 ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
1229
1230 return ret_val;
1231}
1232
1233/**
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001234 * e1000_read_kmrn_reg_80003es2lan - Read kumeran register
1235 * @hw: pointer to the HW structure
1236 * @offset: register offset to be read
1237 * @data: pointer to the read data
1238 *
1239 * Acquire semaphore, then read the PHY register at offset
1240 * using the kumeran interface. The information retrieved is stored in data.
1241 * Release the semaphore before exiting.
1242 **/
Hannes Ederfa4c16d2008-12-22 09:16:13 +00001243static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
1244 u16 *data)
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001245{
1246 u32 kmrnctrlsta;
1247 s32 ret_val = 0;
1248
1249 ret_val = e1000_acquire_mac_csr_80003es2lan(hw);
1250 if (ret_val)
1251 return ret_val;
1252
1253 kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
1254 E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
1255 ew32(KMRNCTRLSTA, kmrnctrlsta);
1256
1257 udelay(2);
1258
1259 kmrnctrlsta = er32(KMRNCTRLSTA);
1260 *data = (u16)kmrnctrlsta;
1261
1262 e1000_release_mac_csr_80003es2lan(hw);
1263
1264 return ret_val;
1265}
1266
1267/**
1268 * e1000_write_kmrn_reg_80003es2lan - Write kumeran register
1269 * @hw: pointer to the HW structure
1270 * @offset: register offset to write to
1271 * @data: data to write at register offset
1272 *
1273 * Acquire semaphore, then write the data to PHY register
1274 * at the offset using the kumeran interface. Release semaphore
1275 * before exiting.
1276 **/
Hannes Ederfa4c16d2008-12-22 09:16:13 +00001277static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
1278 u16 data)
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001279{
1280 u32 kmrnctrlsta;
1281 s32 ret_val = 0;
1282
1283 ret_val = e1000_acquire_mac_csr_80003es2lan(hw);
1284 if (ret_val)
1285 return ret_val;
1286
1287 kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
1288 E1000_KMRNCTRLSTA_OFFSET) | data;
1289 ew32(KMRNCTRLSTA, kmrnctrlsta);
1290
1291 udelay(2);
1292
1293 e1000_release_mac_csr_80003es2lan(hw);
1294
1295 return ret_val;
1296}
1297
1298/**
Auke Kokbc7f75f2007-09-17 12:30:59 -07001299 * e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
1300 * @hw: pointer to the HW structure
1301 *
1302 * Clears the hardware counters by reading the counter registers.
1303 **/
1304static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw)
1305{
Auke Kokbc7f75f2007-09-17 12:30:59 -07001306 e1000e_clear_hw_cntrs_base(hw);
1307
Bruce Allan99673d92009-11-20 23:27:21 +00001308 er32(PRC64);
1309 er32(PRC127);
1310 er32(PRC255);
1311 er32(PRC511);
1312 er32(PRC1023);
1313 er32(PRC1522);
1314 er32(PTC64);
1315 er32(PTC127);
1316 er32(PTC255);
1317 er32(PTC511);
1318 er32(PTC1023);
1319 er32(PTC1522);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001320
Bruce Allan99673d92009-11-20 23:27:21 +00001321 er32(ALGNERRC);
1322 er32(RXERRC);
1323 er32(TNCRS);
1324 er32(CEXTERR);
1325 er32(TSCTC);
1326 er32(TSCTFC);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001327
Bruce Allan99673d92009-11-20 23:27:21 +00001328 er32(MGTPRC);
1329 er32(MGTPDC);
1330 er32(MGTPTC);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001331
Bruce Allan99673d92009-11-20 23:27:21 +00001332 er32(IAC);
1333 er32(ICRXOC);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001334
Bruce Allan99673d92009-11-20 23:27:21 +00001335 er32(ICRXPTC);
1336 er32(ICRXATC);
1337 er32(ICTXPTC);
1338 er32(ICTXATC);
1339 er32(ICTXQEC);
1340 er32(ICTXQMTC);
1341 er32(ICRXDMTC);
Auke Kokbc7f75f2007-09-17 12:30:59 -07001342}
1343
1344static struct e1000_mac_operations es2_mac_ops = {
Bruce Allana4f58f52009-06-02 11:29:18 +00001345 .id_led_init = e1000e_id_led_init,
Bruce Allan4662e822008-08-26 18:37:06 -07001346 .check_mng_mode = e1000e_check_mng_mode_generic,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001347 /* check_for_link dependent on media type */
1348 .cleanup_led = e1000e_cleanup_led_generic,
1349 .clear_hw_cntrs = e1000_clear_hw_cntrs_80003es2lan,
1350 .get_bus_info = e1000e_get_bus_info_pcie,
1351 .get_link_up_info = e1000_get_link_up_info_80003es2lan,
1352 .led_on = e1000e_led_on_generic,
1353 .led_off = e1000e_led_off_generic,
Jeff Kirshere2de3eb2008-03-28 09:15:11 -07001354 .update_mc_addr_list = e1000e_update_mc_addr_list_generic,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001355 .reset_hw = e1000_reset_hw_80003es2lan,
1356 .init_hw = e1000_init_hw_80003es2lan,
1357 .setup_link = e1000e_setup_link,
1358 /* setup_physical_interface dependent on media type */
Bruce Allana4f58f52009-06-02 11:29:18 +00001359 .setup_led = e1000e_setup_led_generic,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001360};
1361
1362static struct e1000_phy_operations es2_phy_ops = {
Bruce Allan94d81862009-11-20 23:25:26 +00001363 .acquire = e1000_acquire_phy_80003es2lan,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001364 .check_reset_block = e1000e_check_reset_block_generic,
Bruce Allan94d81862009-11-20 23:25:26 +00001365 .commit = e1000e_phy_sw_reset,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001366 .force_speed_duplex = e1000_phy_force_speed_duplex_80003es2lan,
1367 .get_cfg_done = e1000_get_cfg_done_80003es2lan,
1368 .get_cable_length = e1000_get_cable_length_80003es2lan,
Bruce Allan94d81862009-11-20 23:25:26 +00001369 .get_info = e1000e_get_phy_info_m88,
1370 .read_reg = e1000_read_phy_reg_gg82563_80003es2lan,
1371 .release = e1000_release_phy_80003es2lan,
1372 .reset = e1000e_phy_hw_reset_generic,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001373 .set_d0_lplu_state = NULL,
1374 .set_d3_lplu_state = e1000e_set_d3_lplu_state,
Bruce Allan94d81862009-11-20 23:25:26 +00001375 .write_reg = e1000_write_phy_reg_gg82563_80003es2lan,
Bruce Allan75eb0fa2008-11-21 16:53:51 -08001376 .cfg_on_link_up = e1000_cfg_on_link_up_80003es2lan,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001377};
1378
1379static struct e1000_nvm_operations es2_nvm_ops = {
Bruce Allan94d81862009-11-20 23:25:26 +00001380 .acquire = e1000_acquire_nvm_80003es2lan,
1381 .read = e1000e_read_nvm_eerd,
1382 .release = e1000_release_nvm_80003es2lan,
1383 .update = e1000e_update_nvm_checksum_generic,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001384 .valid_led_default = e1000e_valid_led_default,
Bruce Allan94d81862009-11-20 23:25:26 +00001385 .validate = e1000e_validate_nvm_checksum_generic,
1386 .write = e1000_write_nvm_80003es2lan,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001387};
1388
1389struct e1000_info e1000_es2_info = {
1390 .mac = e1000_80003es2lan,
1391 .flags = FLAG_HAS_HW_VLAN_FILTER
1392 | FLAG_HAS_JUMBO_FRAMES
Auke Kokbc7f75f2007-09-17 12:30:59 -07001393 | FLAG_HAS_WOL
1394 | FLAG_APME_IN_CTRL3
1395 | FLAG_RX_CSUM_ENABLED
1396 | FLAG_HAS_CTRLEXT_ON_LOAD
Auke Kokbc7f75f2007-09-17 12:30:59 -07001397 | FLAG_RX_NEEDS_RESTART /* errata */
1398 | FLAG_TARC_SET_BIT_ZERO /* errata */
1399 | FLAG_APME_CHECK_PORT_B
1400 | FLAG_DISABLE_FC_PAUSE_TIME /* errata */
1401 | FLAG_TIPG_MEDIUM_FOR_80003ESLAN,
1402 .pba = 38,
Bruce Allan2adc55c2009-06-02 11:28:58 +00001403 .max_hw_frame_size = DEFAULT_JUMBO,
Jeff Kirsher69e3fd82008-04-02 13:48:18 -07001404 .get_variants = e1000_get_variants_80003es2lan,
Auke Kokbc7f75f2007-09-17 12:30:59 -07001405 .mac_ops = &es2_mac_ops,
1406 .phy_ops = &es2_phy_ops,
1407 .nvm_ops = &es2_nvm_ops,
1408};
1409