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e78b80b1 | 1 | /* Intel PRO/1000 Linux driver |
529498cd | 2 | * Copyright(c) 1999 - 2015 Intel Corporation. |
e78b80b1 DE |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * The full GNU General Public License is included in this distribution in | |
14 | * the file called "COPYING". | |
15 | * | |
16 | * Contact Information: | |
17 | * Linux NICS <linux.nics@intel.com> | |
18 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
19 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
20 | */ | |
bc7f75fa | 21 | |
e921eb1a | 22 | /* 82562G 10/100 Network Connection |
bc7f75fa AK |
23 | * 82562G-2 10/100 Network Connection |
24 | * 82562GT 10/100 Network Connection | |
25 | * 82562GT-2 10/100 Network Connection | |
26 | * 82562V 10/100 Network Connection | |
27 | * 82562V-2 10/100 Network Connection | |
28 | * 82566DC-2 Gigabit Network Connection | |
29 | * 82566DC Gigabit Network Connection | |
30 | * 82566DM-2 Gigabit Network Connection | |
31 | * 82566DM Gigabit Network Connection | |
32 | * 82566MC Gigabit Network Connection | |
33 | * 82566MM Gigabit Network Connection | |
97ac8cae BA |
34 | * 82567LM Gigabit Network Connection |
35 | * 82567LF Gigabit Network Connection | |
1605927f | 36 | * 82567V Gigabit Network Connection |
97ac8cae BA |
37 | * 82567LM-2 Gigabit Network Connection |
38 | * 82567LF-2 Gigabit Network Connection | |
39 | * 82567V-2 Gigabit Network Connection | |
f4187b56 BA |
40 | * 82567LF-3 Gigabit Network Connection |
41 | * 82567LM-3 Gigabit Network Connection | |
2f15f9d6 | 42 | * 82567LM-4 Gigabit Network Connection |
a4f58f54 BA |
43 | * 82577LM Gigabit Network Connection |
44 | * 82577LC Gigabit Network Connection | |
45 | * 82578DM Gigabit Network Connection | |
46 | * 82578DC Gigabit Network Connection | |
d3738bb8 BA |
47 | * 82579LM Gigabit Network Connection |
48 | * 82579V Gigabit Network Connection | |
3b70d4f8 DE |
49 | * Ethernet Connection I217-LM |
50 | * Ethernet Connection I217-V | |
51 | * Ethernet Connection I218-V | |
52 | * Ethernet Connection I218-LM | |
53 | * Ethernet Connection (2) I218-LM | |
54 | * Ethernet Connection (2) I218-V | |
55 | * Ethernet Connection (3) I218-LM | |
56 | * Ethernet Connection (3) I218-V | |
bc7f75fa AK |
57 | */ |
58 | ||
bc7f75fa AK |
59 | #include "e1000.h" |
60 | ||
bc7f75fa AK |
61 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ |
62 | /* Offset 04h HSFSTS */ | |
63 | union ich8_hws_flash_status { | |
64 | struct ich8_hsfsts { | |
362e20ca BA |
65 | u16 flcdone:1; /* bit 0 Flash Cycle Done */ |
66 | u16 flcerr:1; /* bit 1 Flash Cycle Error */ | |
67 | u16 dael:1; /* bit 2 Direct Access error Log */ | |
68 | u16 berasesz:2; /* bit 4:3 Sector Erase Size */ | |
69 | u16 flcinprog:1; /* bit 5 flash cycle in Progress */ | |
70 | u16 reserved1:2; /* bit 13:6 Reserved */ | |
71 | u16 reserved2:6; /* bit 13:6 Reserved */ | |
72 | u16 fldesvalid:1; /* bit 14 Flash Descriptor Valid */ | |
73 | u16 flockdn:1; /* bit 15 Flash Config Lock-Down */ | |
bc7f75fa AK |
74 | } hsf_status; |
75 | u16 regval; | |
76 | }; | |
77 | ||
78 | /* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */ | |
79 | /* Offset 06h FLCTL */ | |
80 | union ich8_hws_flash_ctrl { | |
81 | struct ich8_hsflctl { | |
362e20ca BA |
82 | u16 flcgo:1; /* 0 Flash Cycle Go */ |
83 | u16 flcycle:2; /* 2:1 Flash Cycle */ | |
84 | u16 reserved:5; /* 7:3 Reserved */ | |
85 | u16 fldbcount:2; /* 9:8 Flash Data Byte Count */ | |
86 | u16 flockdn:6; /* 15:10 Reserved */ | |
bc7f75fa AK |
87 | } hsf_ctrl; |
88 | u16 regval; | |
89 | }; | |
90 | ||
91 | /* ICH Flash Region Access Permissions */ | |
92 | union ich8_hws_flash_regacc { | |
93 | struct ich8_flracc { | |
362e20ca BA |
94 | u32 grra:8; /* 0:7 GbE region Read Access */ |
95 | u32 grwa:8; /* 8:15 GbE region Write Access */ | |
96 | u32 gmrag:8; /* 23:16 GbE Master Read Access Grant */ | |
97 | u32 gmwag:8; /* 31:24 GbE Master Write Access Grant */ | |
bc7f75fa AK |
98 | } hsf_flregacc; |
99 | u16 regval; | |
100 | }; | |
101 | ||
4a770358 BA |
102 | /* ICH Flash Protected Region */ |
103 | union ich8_flash_protected_range { | |
104 | struct ich8_pr { | |
e80bd1d1 BA |
105 | u32 base:13; /* 0:12 Protected Range Base */ |
106 | u32 reserved1:2; /* 13:14 Reserved */ | |
107 | u32 rpe:1; /* 15 Read Protection Enable */ | |
108 | u32 limit:13; /* 16:28 Protected Range Limit */ | |
109 | u32 reserved2:2; /* 29:30 Reserved */ | |
110 | u32 wpe:1; /* 31 Write Protection Enable */ | |
4a770358 BA |
111 | } range; |
112 | u32 regval; | |
113 | }; | |
114 | ||
bc7f75fa AK |
115 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw); |
116 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw); | |
bc7f75fa AK |
117 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank); |
118 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
119 | u32 offset, u8 byte); | |
f4187b56 BA |
120 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, |
121 | u8 *data); | |
bc7f75fa AK |
122 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, |
123 | u16 *data); | |
124 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
125 | u8 size, u16 *data); | |
79849ebc DE |
126 | static s32 e1000_read_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset, |
127 | u32 *data); | |
128 | static s32 e1000_read_flash_dword_ich8lan(struct e1000_hw *hw, | |
129 | u32 offset, u32 *data); | |
130 | static s32 e1000_write_flash_data32_ich8lan(struct e1000_hw *hw, | |
131 | u32 offset, u32 data); | |
132 | static s32 e1000_retry_write_flash_dword_ich8lan(struct e1000_hw *hw, | |
133 | u32 offset, u32 dword); | |
bc7f75fa | 134 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw); |
a4f58f54 BA |
135 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw); |
136 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw); | |
137 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw); | |
138 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw); | |
139 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); | |
140 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); | |
141 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); | |
142 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); | |
fa2ce13c | 143 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); |
17f208de | 144 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw); |
f523d211 | 145 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); |
1f96012d | 146 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); |
fddaa1af | 147 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw); |
eb7700dc BA |
148 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw); |
149 | static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw); | |
b3e5bf1f DE |
150 | static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index); |
151 | static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index); | |
152 | static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw); | |
831bd2e6 | 153 | static s32 e1000_k1_workaround_lv(struct e1000_hw *hw); |
605c82ba | 154 | static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate); |
74f350ee | 155 | static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force); |
ea8179a7 | 156 | static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw); |
74f350ee | 157 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state); |
bc7f75fa AK |
158 | |
159 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) | |
160 | { | |
161 | return readw(hw->flash_address + reg); | |
162 | } | |
163 | ||
164 | static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg) | |
165 | { | |
166 | return readl(hw->flash_address + reg); | |
167 | } | |
168 | ||
169 | static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val) | |
170 | { | |
171 | writew(val, hw->flash_address + reg); | |
172 | } | |
173 | ||
174 | static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) | |
175 | { | |
176 | writel(val, hw->flash_address + reg); | |
177 | } | |
178 | ||
179 | #define er16flash(reg) __er16flash(hw, (reg)) | |
180 | #define er32flash(reg) __er32flash(hw, (reg)) | |
0e15df49 BA |
181 | #define ew16flash(reg, val) __ew16flash(hw, (reg), (val)) |
182 | #define ew32flash(reg, val) __ew32flash(hw, (reg), (val)) | |
bc7f75fa | 183 | |
cb17aab9 BA |
184 | /** |
185 | * e1000_phy_is_accessible_pchlan - Check if able to access PHY registers | |
186 | * @hw: pointer to the HW structure | |
187 | * | |
188 | * Test access to the PHY registers by reading the PHY ID registers. If | |
189 | * the PHY ID is already known (e.g. resume path) compare it with known ID, | |
190 | * otherwise assume the read PHY ID is correct if it is valid. | |
191 | * | |
192 | * Assumes the sw/fw/hw semaphore is already acquired. | |
193 | **/ | |
194 | static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw) | |
99730e4c | 195 | { |
a52359b5 BA |
196 | u16 phy_reg = 0; |
197 | u32 phy_id = 0; | |
2c982624 | 198 | s32 ret_val = 0; |
a52359b5 | 199 | u16 retry_count; |
16b095a4 | 200 | u32 mac_reg = 0; |
a52359b5 BA |
201 | |
202 | for (retry_count = 0; retry_count < 2; retry_count++) { | |
c2ade1a4 | 203 | ret_val = e1e_rphy_locked(hw, MII_PHYSID1, &phy_reg); |
a52359b5 BA |
204 | if (ret_val || (phy_reg == 0xFFFF)) |
205 | continue; | |
206 | phy_id = (u32)(phy_reg << 16); | |
207 | ||
c2ade1a4 | 208 | ret_val = e1e_rphy_locked(hw, MII_PHYSID2, &phy_reg); |
a52359b5 BA |
209 | if (ret_val || (phy_reg == 0xFFFF)) { |
210 | phy_id = 0; | |
211 | continue; | |
212 | } | |
213 | phy_id |= (u32)(phy_reg & PHY_REVISION_MASK); | |
214 | break; | |
215 | } | |
cb17aab9 BA |
216 | |
217 | if (hw->phy.id) { | |
218 | if (hw->phy.id == phy_id) | |
16b095a4 | 219 | goto out; |
a52359b5 BA |
220 | } else if (phy_id) { |
221 | hw->phy.id = phy_id; | |
222 | hw->phy.revision = (u32)(phy_reg & ~PHY_REVISION_MASK); | |
16b095a4 | 223 | goto out; |
cb17aab9 BA |
224 | } |
225 | ||
e921eb1a | 226 | /* In case the PHY needs to be in mdio slow mode, |
a52359b5 BA |
227 | * set slow mode and try to get the PHY id again. |
228 | */ | |
2c982624 DE |
229 | if (hw->mac.type < e1000_pch_lpt) { |
230 | hw->phy.ops.release(hw); | |
231 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
232 | if (!ret_val) | |
233 | ret_val = e1000e_get_phy_id(hw); | |
234 | hw->phy.ops.acquire(hw); | |
235 | } | |
a52359b5 | 236 | |
16b095a4 BA |
237 | if (ret_val) |
238 | return false; | |
239 | out: | |
c8744f44 | 240 | if (hw->mac.type >= e1000_pch_lpt) { |
beee8072 YL |
241 | /* Only unforce SMBus if ME is not active */ |
242 | if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { | |
243 | /* Unforce SMBus mode in PHY */ | |
244 | e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg); | |
245 | phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; | |
246 | e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg); | |
16b095a4 | 247 | |
beee8072 YL |
248 | /* Unforce SMBus mode in MAC */ |
249 | mac_reg = er32(CTRL_EXT); | |
250 | mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; | |
251 | ew32(CTRL_EXT, mac_reg); | |
252 | } | |
16b095a4 BA |
253 | } |
254 | ||
255 | return true; | |
cb17aab9 BA |
256 | } |
257 | ||
74f350ee DE |
258 | /** |
259 | * e1000_toggle_lanphypc_pch_lpt - toggle the LANPHYPC pin value | |
260 | * @hw: pointer to the HW structure | |
261 | * | |
262 | * Toggling the LANPHYPC pin value fully power-cycles the PHY and is | |
263 | * used to reset the PHY to a quiescent state when necessary. | |
264 | **/ | |
265 | static void e1000_toggle_lanphypc_pch_lpt(struct e1000_hw *hw) | |
266 | { | |
267 | u32 mac_reg; | |
268 | ||
269 | /* Set Phy Config Counter to 50msec */ | |
270 | mac_reg = er32(FEXTNVM3); | |
271 | mac_reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK; | |
272 | mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC; | |
273 | ew32(FEXTNVM3, mac_reg); | |
274 | ||
275 | /* Toggle LANPHYPC Value bit */ | |
276 | mac_reg = er32(CTRL); | |
277 | mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE; | |
278 | mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE; | |
279 | ew32(CTRL, mac_reg); | |
280 | e1e_flush(); | |
281 | usleep_range(10, 20); | |
282 | mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE; | |
283 | ew32(CTRL, mac_reg); | |
284 | e1e_flush(); | |
285 | ||
286 | if (hw->mac.type < e1000_pch_lpt) { | |
287 | msleep(50); | |
288 | } else { | |
289 | u16 count = 20; | |
290 | ||
291 | do { | |
292 | usleep_range(5000, 10000); | |
293 | } while (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LPCD) && count--); | |
294 | ||
295 | msleep(30); | |
296 | } | |
297 | } | |
298 | ||
cb17aab9 BA |
299 | /** |
300 | * e1000_init_phy_workarounds_pchlan - PHY initialization workarounds | |
301 | * @hw: pointer to the HW structure | |
302 | * | |
303 | * Workarounds/flow necessary for PHY initialization during driver load | |
304 | * and resume paths. | |
305 | **/ | |
306 | static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) | |
307 | { | |
f7235ef6 | 308 | struct e1000_adapter *adapter = hw->adapter; |
cb17aab9 BA |
309 | u32 mac_reg, fwsm = er32(FWSM); |
310 | s32 ret_val; | |
311 | ||
6e928b72 BA |
312 | /* Gate automatic PHY configuration by hardware on managed and |
313 | * non-managed 82579 and newer adapters. | |
314 | */ | |
315 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
316 | ||
74f350ee DE |
317 | /* It is not possible to be certain of the current state of ULP |
318 | * so forcibly disable it. | |
319 | */ | |
320 | hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_unknown; | |
321 | e1000_disable_ulp_lpt_lp(hw, true); | |
322 | ||
cb17aab9 BA |
323 | ret_val = hw->phy.ops.acquire(hw); |
324 | if (ret_val) { | |
325 | e_dbg("Failed to initialize PHY flow\n"); | |
6e928b72 | 326 | goto out; |
cb17aab9 BA |
327 | } |
328 | ||
e921eb1a | 329 | /* The MAC-PHY interconnect may be in SMBus mode. If the PHY is |
cb17aab9 BA |
330 | * inaccessible and resetting the PHY is not blocked, toggle the |
331 | * LANPHYPC Value bit to force the interconnect to PCIe mode. | |
332 | */ | |
333 | switch (hw->mac.type) { | |
2fbe4526 | 334 | case e1000_pch_lpt: |
79849ebc | 335 | case e1000_pch_spt: |
c8744f44 | 336 | case e1000_pch_cnp: |
2fbe4526 BA |
337 | if (e1000_phy_is_accessible_pchlan(hw)) |
338 | break; | |
339 | ||
e921eb1a | 340 | /* Before toggling LANPHYPC, see if PHY is accessible by |
2fbe4526 BA |
341 | * forcing MAC to SMBus mode first. |
342 | */ | |
343 | mac_reg = er32(CTRL_EXT); | |
344 | mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; | |
345 | ew32(CTRL_EXT, mac_reg); | |
346 | ||
16b095a4 BA |
347 | /* Wait 50 milliseconds for MAC to finish any retries |
348 | * that it might be trying to perform from previous | |
349 | * attempts to acknowledge any phy read requests. | |
350 | */ | |
351 | msleep(50); | |
352 | ||
2fbe4526 | 353 | /* fall-through */ |
cb17aab9 | 354 | case e1000_pch2lan: |
16b095a4 | 355 | if (e1000_phy_is_accessible_pchlan(hw)) |
cb17aab9 BA |
356 | break; |
357 | ||
358 | /* fall-through */ | |
359 | case e1000_pchlan: | |
360 | if ((hw->mac.type == e1000_pchlan) && | |
361 | (fwsm & E1000_ICH_FWSM_FW_VALID)) | |
362 | break; | |
363 | ||
364 | if (hw->phy.ops.check_reset_block(hw)) { | |
365 | e_dbg("Required LANPHYPC toggle blocked by ME\n"); | |
16b095a4 | 366 | ret_val = -E1000_ERR_PHY; |
cb17aab9 BA |
367 | break; |
368 | } | |
369 | ||
cb17aab9 | 370 | /* Toggle LANPHYPC Value bit */ |
74f350ee DE |
371 | e1000_toggle_lanphypc_pch_lpt(hw); |
372 | if (hw->mac.type >= e1000_pch_lpt) { | |
16b095a4 BA |
373 | if (e1000_phy_is_accessible_pchlan(hw)) |
374 | break; | |
375 | ||
376 | /* Toggling LANPHYPC brings the PHY out of SMBus mode | |
377 | * so ensure that the MAC is also out of SMBus mode | |
378 | */ | |
379 | mac_reg = er32(CTRL_EXT); | |
380 | mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; | |
381 | ew32(CTRL_EXT, mac_reg); | |
382 | ||
383 | if (e1000_phy_is_accessible_pchlan(hw)) | |
384 | break; | |
385 | ||
386 | ret_val = -E1000_ERR_PHY; | |
2fbe4526 | 387 | } |
cb17aab9 BA |
388 | break; |
389 | default: | |
390 | break; | |
391 | } | |
392 | ||
393 | hw->phy.ops.release(hw); | |
16b095a4 | 394 | if (!ret_val) { |
f7235ef6 DE |
395 | |
396 | /* Check to see if able to reset PHY. Print error if not */ | |
397 | if (hw->phy.ops.check_reset_block(hw)) { | |
398 | e_err("Reset blocked by ME\n"); | |
399 | goto out; | |
400 | } | |
401 | ||
16b095a4 BA |
402 | /* Reset the PHY before any access to it. Doing so, ensures |
403 | * that the PHY is in a known good state before we read/write | |
404 | * PHY registers. The generic reset is sufficient here, | |
405 | * because we haven't determined the PHY type yet. | |
406 | */ | |
407 | ret_val = e1000e_phy_hw_reset_generic(hw); | |
f7235ef6 DE |
408 | if (ret_val) |
409 | goto out; | |
410 | ||
411 | /* On a successful reset, possibly need to wait for the PHY | |
412 | * to quiesce to an accessible state before returning control | |
413 | * to the calling function. If the PHY does not quiesce, then | |
414 | * return E1000E_BLK_PHY_RESET, as this is the condition that | |
415 | * the PHY is in. | |
416 | */ | |
417 | ret_val = hw->phy.ops.check_reset_block(hw); | |
418 | if (ret_val) | |
419 | e_err("ME blocked access to PHY after reset\n"); | |
16b095a4 | 420 | } |
cb17aab9 | 421 | |
6e928b72 | 422 | out: |
cb17aab9 BA |
423 | /* Ungate automatic PHY configuration on non-managed 82579 */ |
424 | if ((hw->mac.type == e1000_pch2lan) && | |
425 | !(fwsm & E1000_ICH_FWSM_FW_VALID)) { | |
426 | usleep_range(10000, 20000); | |
427 | e1000_gate_hw_phy_config_ich8lan(hw, false); | |
428 | } | |
429 | ||
430 | return ret_val; | |
99730e4c BA |
431 | } |
432 | ||
a4f58f54 BA |
433 | /** |
434 | * e1000_init_phy_params_pchlan - Initialize PHY function pointers | |
435 | * @hw: pointer to the HW structure | |
436 | * | |
437 | * Initialize family-specific PHY parameters and function pointers. | |
438 | **/ | |
439 | static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) | |
440 | { | |
441 | struct e1000_phy_info *phy = &hw->phy; | |
70806a7f | 442 | s32 ret_val; |
a4f58f54 | 443 | |
e80bd1d1 BA |
444 | phy->addr = 1; |
445 | phy->reset_delay_us = 100; | |
446 | ||
447 | phy->ops.set_page = e1000_set_page_igp; | |
448 | phy->ops.read_reg = e1000_read_phy_reg_hv; | |
449 | phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked; | |
450 | phy->ops.read_reg_page = e1000_read_phy_reg_page_hv; | |
451 | phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan; | |
452 | phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan; | |
453 | phy->ops.write_reg = e1000_write_phy_reg_hv; | |
454 | phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked; | |
455 | phy->ops.write_reg_page = e1000_write_phy_reg_page_hv; | |
456 | phy->ops.power_up = e1000_power_up_phy_copper; | |
457 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
458 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
a4f58f54 | 459 | |
cb17aab9 | 460 | phy->id = e1000_phy_unknown; |
627c8a04 | 461 | |
cb17aab9 BA |
462 | ret_val = e1000_init_phy_workarounds_pchlan(hw); |
463 | if (ret_val) | |
464 | return ret_val; | |
605c82ba | 465 | |
cb17aab9 BA |
466 | if (phy->id == e1000_phy_unknown) |
467 | switch (hw->mac.type) { | |
468 | default: | |
469 | ret_val = e1000e_get_phy_id(hw); | |
470 | if (ret_val) | |
471 | return ret_val; | |
472 | if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK)) | |
473 | break; | |
474 | /* fall-through */ | |
475 | case e1000_pch2lan: | |
2fbe4526 | 476 | case e1000_pch_lpt: |
79849ebc | 477 | case e1000_pch_spt: |
c8744f44 | 478 | case e1000_pch_cnp: |
e921eb1a | 479 | /* In case the PHY needs to be in mdio slow mode, |
cb17aab9 BA |
480 | * set slow mode and try to get the PHY id again. |
481 | */ | |
482 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
483 | if (ret_val) | |
484 | return ret_val; | |
485 | ret_val = e1000e_get_phy_id(hw); | |
486 | if (ret_val) | |
487 | return ret_val; | |
664dc878 | 488 | break; |
cb17aab9 | 489 | } |
a4f58f54 BA |
490 | phy->type = e1000e_get_phy_type_from_id(phy->id); |
491 | ||
0be84010 BA |
492 | switch (phy->type) { |
493 | case e1000_phy_82577: | |
d3738bb8 | 494 | case e1000_phy_82579: |
2fbe4526 | 495 | case e1000_phy_i217: |
a4f58f54 BA |
496 | phy->ops.check_polarity = e1000_check_polarity_82577; |
497 | phy->ops.force_speed_duplex = | |
6cc7aaed | 498 | e1000_phy_force_speed_duplex_82577; |
0be84010 | 499 | phy->ops.get_cable_length = e1000_get_cable_length_82577; |
94d8186a BA |
500 | phy->ops.get_info = e1000_get_phy_info_82577; |
501 | phy->ops.commit = e1000e_phy_sw_reset; | |
eab50ffb | 502 | break; |
0be84010 BA |
503 | case e1000_phy_82578: |
504 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
505 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
506 | phy->ops.get_cable_length = e1000e_get_cable_length_m88; | |
507 | phy->ops.get_info = e1000e_get_phy_info_m88; | |
508 | break; | |
509 | default: | |
510 | ret_val = -E1000_ERR_PHY; | |
511 | break; | |
a4f58f54 BA |
512 | } |
513 | ||
514 | return ret_val; | |
515 | } | |
516 | ||
bc7f75fa AK |
517 | /** |
518 | * e1000_init_phy_params_ich8lan - Initialize PHY function pointers | |
519 | * @hw: pointer to the HW structure | |
520 | * | |
521 | * Initialize family-specific PHY parameters and function pointers. | |
522 | **/ | |
523 | static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) | |
524 | { | |
525 | struct e1000_phy_info *phy = &hw->phy; | |
526 | s32 ret_val; | |
527 | u16 i = 0; | |
528 | ||
e80bd1d1 BA |
529 | phy->addr = 1; |
530 | phy->reset_delay_us = 100; | |
bc7f75fa | 531 | |
e80bd1d1 BA |
532 | phy->ops.power_up = e1000_power_up_phy_copper; |
533 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
17f208de | 534 | |
e921eb1a | 535 | /* We may need to do this twice - once for IGP and if that fails, |
97ac8cae BA |
536 | * we'll set BM func pointers and try again |
537 | */ | |
538 | ret_val = e1000e_determine_phy_address(hw); | |
539 | if (ret_val) { | |
94d8186a | 540 | phy->ops.write_reg = e1000e_write_phy_reg_bm; |
e80bd1d1 | 541 | phy->ops.read_reg = e1000e_read_phy_reg_bm; |
97ac8cae | 542 | ret_val = e1000e_determine_phy_address(hw); |
9b71b419 BA |
543 | if (ret_val) { |
544 | e_dbg("Cannot determine PHY addr. Erroring out\n"); | |
97ac8cae | 545 | return ret_val; |
9b71b419 | 546 | } |
97ac8cae BA |
547 | } |
548 | ||
bc7f75fa AK |
549 | phy->id = 0; |
550 | while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) && | |
551 | (i++ < 100)) { | |
1bba4386 | 552 | usleep_range(1000, 2000); |
bc7f75fa AK |
553 | ret_val = e1000e_get_phy_id(hw); |
554 | if (ret_val) | |
555 | return ret_val; | |
556 | } | |
557 | ||
558 | /* Verify phy id */ | |
559 | switch (phy->id) { | |
560 | case IGP03E1000_E_PHY_ID: | |
561 | phy->type = e1000_phy_igp_3; | |
562 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
563 | phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked; |
564 | phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked; | |
0be84010 BA |
565 | phy->ops.get_info = e1000e_get_phy_info_igp; |
566 | phy->ops.check_polarity = e1000_check_polarity_igp; | |
567 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp; | |
bc7f75fa AK |
568 | break; |
569 | case IFE_E_PHY_ID: | |
570 | case IFE_PLUS_E_PHY_ID: | |
571 | case IFE_C_E_PHY_ID: | |
572 | phy->type = e1000_phy_ife; | |
573 | phy->autoneg_mask = E1000_ALL_NOT_GIG; | |
0be84010 BA |
574 | phy->ops.get_info = e1000_get_phy_info_ife; |
575 | phy->ops.check_polarity = e1000_check_polarity_ife; | |
576 | phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife; | |
bc7f75fa | 577 | break; |
97ac8cae BA |
578 | case BME1000_E_PHY_ID: |
579 | phy->type = e1000_phy_bm; | |
580 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
581 | phy->ops.read_reg = e1000e_read_phy_reg_bm; |
582 | phy->ops.write_reg = e1000e_write_phy_reg_bm; | |
583 | phy->ops.commit = e1000e_phy_sw_reset; | |
0be84010 BA |
584 | phy->ops.get_info = e1000e_get_phy_info_m88; |
585 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
586 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
97ac8cae | 587 | break; |
bc7f75fa AK |
588 | default: |
589 | return -E1000_ERR_PHY; | |
bc7f75fa AK |
590 | } |
591 | ||
592 | return 0; | |
593 | } | |
594 | ||
595 | /** | |
596 | * e1000_init_nvm_params_ich8lan - Initialize NVM function pointers | |
597 | * @hw: pointer to the HW structure | |
598 | * | |
599 | * Initialize family-specific NVM parameters and function | |
600 | * pointers. | |
601 | **/ | |
602 | static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) | |
603 | { | |
604 | struct e1000_nvm_info *nvm = &hw->nvm; | |
605 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
148675a7 | 606 | u32 gfpreg, sector_base_addr, sector_end_addr; |
bc7f75fa | 607 | u16 i; |
79849ebc | 608 | u32 nvm_size; |
bc7f75fa | 609 | |
bc7f75fa | 610 | nvm->type = e1000_nvm_flash_sw; |
9d17ce49 | 611 | |
c8744f44 | 612 | if (hw->mac.type >= e1000_pch_spt) { |
9d17ce49 YL |
613 | /* in SPT, gfpreg doesn't exist. NVM size is taken from the |
614 | * STRAP register. This is because in SPT the GbE Flash region | |
615 | * is no longer accessed through the flash registers. Instead, | |
616 | * the mechanism has changed, and the Flash region access | |
617 | * registers are now implemented in GbE memory space. | |
618 | */ | |
79849ebc DE |
619 | nvm->flash_base_addr = 0; |
620 | nvm_size = (((er32(STRAP) >> 1) & 0x1F) + 1) | |
621 | * NVM_SIZE_MULTIPLIER; | |
622 | nvm->flash_bank_size = nvm_size / 2; | |
623 | /* Adjust to word count */ | |
624 | nvm->flash_bank_size /= sizeof(u16); | |
625 | /* Set the base address for flash register access */ | |
626 | hw->flash_address = hw->hw_addr + E1000_FLASH_BASE_ADDR; | |
627 | } else { | |
9d17ce49 | 628 | /* Can't read flash registers if register set isn't mapped. */ |
79849ebc DE |
629 | if (!hw->flash_address) { |
630 | e_dbg("ERROR: Flash registers not mapped\n"); | |
631 | return -E1000_ERR_CONFIG; | |
632 | } | |
bc7f75fa | 633 | |
79849ebc | 634 | gfpreg = er32flash(ICH_FLASH_GFPREG); |
bc7f75fa | 635 | |
79849ebc DE |
636 | /* sector_X_addr is a "sector"-aligned address (4096 bytes) |
637 | * Add 1 to sector_end_addr since this sector is included in | |
638 | * the overall size. | |
639 | */ | |
640 | sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK; | |
641 | sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1; | |
bc7f75fa | 642 | |
79849ebc DE |
643 | /* flash_base_addr is byte-aligned */ |
644 | nvm->flash_base_addr = sector_base_addr | |
645 | << FLASH_SECTOR_ADDR_SHIFT; | |
bc7f75fa | 646 | |
79849ebc DE |
647 | /* find total size of the NVM, then cut in half since the total |
648 | * size represents two separate NVM banks. | |
649 | */ | |
650 | nvm->flash_bank_size = ((sector_end_addr - sector_base_addr) | |
651 | << FLASH_SECTOR_ADDR_SHIFT); | |
652 | nvm->flash_bank_size /= 2; | |
653 | /* Adjust to word count */ | |
654 | nvm->flash_bank_size /= sizeof(u16); | |
655 | } | |
bc7f75fa AK |
656 | |
657 | nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS; | |
658 | ||
659 | /* Clear shadow ram */ | |
660 | for (i = 0; i < nvm->word_size; i++) { | |
564ea9bb | 661 | dev_spec->shadow_ram[i].modified = false; |
e80bd1d1 | 662 | dev_spec->shadow_ram[i].value = 0xFFFF; |
bc7f75fa AK |
663 | } |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
668 | /** | |
669 | * e1000_init_mac_params_ich8lan - Initialize MAC function pointers | |
670 | * @hw: pointer to the HW structure | |
671 | * | |
672 | * Initialize family-specific MAC parameters and function | |
673 | * pointers. | |
674 | **/ | |
ec34c170 | 675 | static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw) |
bc7f75fa | 676 | { |
bc7f75fa AK |
677 | struct e1000_mac_info *mac = &hw->mac; |
678 | ||
679 | /* Set media type function pointer */ | |
318a94d6 | 680 | hw->phy.media_type = e1000_media_type_copper; |
bc7f75fa AK |
681 | |
682 | /* Set mta register count */ | |
683 | mac->mta_reg_count = 32; | |
684 | /* Set rar entry count */ | |
685 | mac->rar_entry_count = E1000_ICH_RAR_ENTRIES; | |
686 | if (mac->type == e1000_ich8lan) | |
687 | mac->rar_entry_count--; | |
a65a4a0d BA |
688 | /* FWSM register */ |
689 | mac->has_fwsm = true; | |
690 | /* ARC subsystem not supported */ | |
691 | mac->arc_subsystem_valid = false; | |
f464ba87 BA |
692 | /* Adaptive IFS supported */ |
693 | mac->adaptive_ifs = true; | |
bc7f75fa | 694 | |
2fbe4526 | 695 | /* LED and other operations */ |
a4f58f54 BA |
696 | switch (mac->type) { |
697 | case e1000_ich8lan: | |
698 | case e1000_ich9lan: | |
699 | case e1000_ich10lan: | |
eb7700dc BA |
700 | /* check management mode */ |
701 | mac->ops.check_mng_mode = e1000_check_mng_mode_ich8lan; | |
a4f58f54 | 702 | /* ID LED init */ |
d1964eb1 | 703 | mac->ops.id_led_init = e1000e_id_led_init_generic; |
dbf80dcb BA |
704 | /* blink LED */ |
705 | mac->ops.blink_led = e1000e_blink_led_generic; | |
a4f58f54 BA |
706 | /* setup LED */ |
707 | mac->ops.setup_led = e1000e_setup_led_generic; | |
708 | /* cleanup LED */ | |
709 | mac->ops.cleanup_led = e1000_cleanup_led_ich8lan; | |
710 | /* turn on/off LED */ | |
711 | mac->ops.led_on = e1000_led_on_ich8lan; | |
712 | mac->ops.led_off = e1000_led_off_ich8lan; | |
713 | break; | |
d3738bb8 | 714 | case e1000_pch2lan: |
69e1e019 BA |
715 | mac->rar_entry_count = E1000_PCH2_RAR_ENTRIES; |
716 | mac->ops.rar_set = e1000_rar_set_pch2lan; | |
717 | /* fall-through */ | |
2fbe4526 | 718 | case e1000_pch_lpt: |
79849ebc | 719 | case e1000_pch_spt: |
c8744f44 | 720 | case e1000_pch_cnp: |
69e1e019 | 721 | case e1000_pchlan: |
eb7700dc BA |
722 | /* check management mode */ |
723 | mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan; | |
a4f58f54 BA |
724 | /* ID LED init */ |
725 | mac->ops.id_led_init = e1000_id_led_init_pchlan; | |
726 | /* setup LED */ | |
727 | mac->ops.setup_led = e1000_setup_led_pchlan; | |
728 | /* cleanup LED */ | |
729 | mac->ops.cleanup_led = e1000_cleanup_led_pchlan; | |
730 | /* turn on/off LED */ | |
731 | mac->ops.led_on = e1000_led_on_pchlan; | |
732 | mac->ops.led_off = e1000_led_off_pchlan; | |
733 | break; | |
734 | default: | |
735 | break; | |
736 | } | |
737 | ||
c8744f44 | 738 | if (mac->type >= e1000_pch_lpt) { |
2fbe4526 BA |
739 | mac->rar_entry_count = E1000_PCH_LPT_RAR_ENTRIES; |
740 | mac->ops.rar_set = e1000_rar_set_pch_lpt; | |
ea8179a7 BA |
741 | mac->ops.setup_physical_interface = |
742 | e1000_setup_copper_link_pch_lpt; | |
b3e5bf1f | 743 | mac->ops.rar_get_count = e1000_rar_get_count_pch_lpt; |
2fbe4526 BA |
744 | } |
745 | ||
bc7f75fa AK |
746 | /* Enable PCS Lock-loss workaround for ICH8 */ |
747 | if (mac->type == e1000_ich8lan) | |
564ea9bb | 748 | e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true); |
bc7f75fa AK |
749 | |
750 | return 0; | |
751 | } | |
752 | ||
4ddc48a9 BA |
753 | /** |
754 | * __e1000_access_emi_reg_locked - Read/write EMI register | |
755 | * @hw: pointer to the HW structure | |
756 | * @addr: EMI address to program | |
757 | * @data: pointer to value to read/write from/to the EMI address | |
758 | * @read: boolean flag to indicate read or write | |
759 | * | |
760 | * This helper function assumes the SW/FW/HW Semaphore is already acquired. | |
761 | **/ | |
762 | static s32 __e1000_access_emi_reg_locked(struct e1000_hw *hw, u16 address, | |
763 | u16 *data, bool read) | |
764 | { | |
70806a7f | 765 | s32 ret_val; |
4ddc48a9 BA |
766 | |
767 | ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR, address); | |
768 | if (ret_val) | |
769 | return ret_val; | |
770 | ||
771 | if (read) | |
772 | ret_val = e1e_rphy_locked(hw, I82579_EMI_DATA, data); | |
773 | else | |
774 | ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, *data); | |
775 | ||
776 | return ret_val; | |
777 | } | |
778 | ||
779 | /** | |
780 | * e1000_read_emi_reg_locked - Read Extended Management Interface register | |
781 | * @hw: pointer to the HW structure | |
782 | * @addr: EMI address to program | |
783 | * @data: value to be read from the EMI address | |
784 | * | |
785 | * Assumes the SW/FW/HW Semaphore is already acquired. | |
786 | **/ | |
203e4151 | 787 | s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data) |
4ddc48a9 BA |
788 | { |
789 | return __e1000_access_emi_reg_locked(hw, addr, data, true); | |
790 | } | |
791 | ||
792 | /** | |
793 | * e1000_write_emi_reg_locked - Write Extended Management Interface register | |
794 | * @hw: pointer to the HW structure | |
795 | * @addr: EMI address to program | |
796 | * @data: value to be written to the EMI address | |
797 | * | |
798 | * Assumes the SW/FW/HW Semaphore is already acquired. | |
799 | **/ | |
d495bcb8 | 800 | s32 e1000_write_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 data) |
4ddc48a9 BA |
801 | { |
802 | return __e1000_access_emi_reg_locked(hw, addr, &data, false); | |
803 | } | |
804 | ||
e52997f9 BA |
805 | /** |
806 | * e1000_set_eee_pchlan - Enable/disable EEE support | |
807 | * @hw: pointer to the HW structure | |
808 | * | |
3d4d5755 BA |
809 | * Enable/disable EEE based on setting in dev_spec structure, the duplex of |
810 | * the link and the EEE capabilities of the link partner. The LPI Control | |
811 | * register bits will remain set only if/when link is up. | |
a03206ed DE |
812 | * |
813 | * EEE LPI must not be asserted earlier than one second after link is up. | |
814 | * On 82579, EEE LPI should not be enabled until such time otherwise there | |
815 | * can be link issues with some switches. Other devices can have EEE LPI | |
816 | * enabled immediately upon link up since they have a timer in hardware which | |
817 | * prevents LPI from being asserted too early. | |
e52997f9 | 818 | **/ |
a03206ed | 819 | s32 e1000_set_eee_pchlan(struct e1000_hw *hw) |
e52997f9 | 820 | { |
2fbe4526 | 821 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
3d4d5755 | 822 | s32 ret_val; |
d495bcb8 | 823 | u16 lpa, pcs_status, adv, adv_addr, lpi_ctrl, data; |
e52997f9 | 824 | |
d495bcb8 BA |
825 | switch (hw->phy.type) { |
826 | case e1000_phy_82579: | |
827 | lpa = I82579_EEE_LP_ABILITY; | |
828 | pcs_status = I82579_EEE_PCS_STATUS; | |
829 | adv_addr = I82579_EEE_ADVERTISEMENT; | |
830 | break; | |
831 | case e1000_phy_i217: | |
832 | lpa = I217_EEE_LP_ABILITY; | |
833 | pcs_status = I217_EEE_PCS_STATUS; | |
834 | adv_addr = I217_EEE_ADVERTISEMENT; | |
835 | break; | |
836 | default: | |
5015e53a | 837 | return 0; |
d495bcb8 | 838 | } |
e52997f9 | 839 | |
3d4d5755 | 840 | ret_val = hw->phy.ops.acquire(hw); |
e52997f9 | 841 | if (ret_val) |
5015e53a | 842 | return ret_val; |
e52997f9 | 843 | |
3d4d5755 | 844 | ret_val = e1e_rphy_locked(hw, I82579_LPI_CTRL, &lpi_ctrl); |
2fbe4526 | 845 | if (ret_val) |
3d4d5755 BA |
846 | goto release; |
847 | ||
848 | /* Clear bits that enable EEE in various speeds */ | |
849 | lpi_ctrl &= ~I82579_LPI_CTRL_ENABLE_MASK; | |
850 | ||
851 | /* Enable EEE if not disabled by user */ | |
852 | if (!dev_spec->eee_disable) { | |
2fbe4526 | 853 | /* Save off link partner's EEE ability */ |
3d4d5755 | 854 | ret_val = e1000_read_emi_reg_locked(hw, lpa, |
4ddc48a9 | 855 | &dev_spec->eee_lp_ability); |
2fbe4526 BA |
856 | if (ret_val) |
857 | goto release; | |
2fbe4526 | 858 | |
d495bcb8 BA |
859 | /* Read EEE advertisement */ |
860 | ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &adv); | |
861 | if (ret_val) | |
862 | goto release; | |
863 | ||
3d4d5755 | 864 | /* Enable EEE only for speeds in which the link partner is |
d495bcb8 | 865 | * EEE capable and for which we advertise EEE. |
2fbe4526 | 866 | */ |
d495bcb8 | 867 | if (adv & dev_spec->eee_lp_ability & I82579_EEE_1000_SUPPORTED) |
3d4d5755 BA |
868 | lpi_ctrl |= I82579_LPI_CTRL_1000_ENABLE; |
869 | ||
d495bcb8 | 870 | if (adv & dev_spec->eee_lp_ability & I82579_EEE_100_SUPPORTED) { |
c2ade1a4 BA |
871 | e1e_rphy_locked(hw, MII_LPA, &data); |
872 | if (data & LPA_100FULL) | |
3d4d5755 BA |
873 | lpi_ctrl |= I82579_LPI_CTRL_100_ENABLE; |
874 | else | |
875 | /* EEE is not supported in 100Half, so ignore | |
876 | * partner's EEE in 100 ability if full-duplex | |
877 | * is not advertised. | |
878 | */ | |
879 | dev_spec->eee_lp_ability &= | |
880 | ~I82579_EEE_100_SUPPORTED; | |
881 | } | |
2fbe4526 BA |
882 | } |
883 | ||
7142a55c DE |
884 | if (hw->phy.type == e1000_phy_82579) { |
885 | ret_val = e1000_read_emi_reg_locked(hw, I82579_LPI_PLL_SHUT, | |
886 | &data); | |
887 | if (ret_val) | |
888 | goto release; | |
889 | ||
890 | data &= ~I82579_LPI_100_PLL_SHUT; | |
891 | ret_val = e1000_write_emi_reg_locked(hw, I82579_LPI_PLL_SHUT, | |
892 | data); | |
893 | } | |
894 | ||
d495bcb8 BA |
895 | /* R/Clr IEEE MMD 3.1 bits 11:10 - Tx/Rx LPI Received */ |
896 | ret_val = e1000_read_emi_reg_locked(hw, pcs_status, &data); | |
897 | if (ret_val) | |
898 | goto release; | |
899 | ||
3d4d5755 BA |
900 | ret_val = e1e_wphy_locked(hw, I82579_LPI_CTRL, lpi_ctrl); |
901 | release: | |
902 | hw->phy.ops.release(hw); | |
903 | ||
904 | return ret_val; | |
e52997f9 BA |
905 | } |
906 | ||
e08f626b BA |
907 | /** |
908 | * e1000_k1_workaround_lpt_lp - K1 workaround on Lynxpoint-LP | |
909 | * @hw: pointer to the HW structure | |
910 | * @link: link up bool flag | |
911 | * | |
912 | * When K1 is enabled for 1Gbps, the MAC can miss 2 DMA completion indications | |
913 | * preventing further DMA write requests. Workaround the issue by disabling | |
914 | * the de-assertion of the clock request when in 1Gpbs mode. | |
e0236ad9 BA |
915 | * Also, set appropriate Tx re-transmission timeouts for 10 and 100Half link |
916 | * speeds in order to avoid Tx hangs. | |
e08f626b BA |
917 | **/ |
918 | static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link) | |
919 | { | |
920 | u32 fextnvm6 = er32(FEXTNVM6); | |
e0236ad9 | 921 | u32 status = er32(STATUS); |
e08f626b | 922 | s32 ret_val = 0; |
e0236ad9 | 923 | u16 reg; |
e08f626b | 924 | |
e0236ad9 | 925 | if (link && (status & E1000_STATUS_SPEED_1000)) { |
e08f626b BA |
926 | ret_val = hw->phy.ops.acquire(hw); |
927 | if (ret_val) | |
928 | return ret_val; | |
929 | ||
930 | ret_val = | |
931 | e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG, | |
e0236ad9 | 932 | ®); |
e08f626b BA |
933 | if (ret_val) |
934 | goto release; | |
935 | ||
936 | ret_val = | |
937 | e1000e_write_kmrn_reg_locked(hw, | |
938 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
e0236ad9 | 939 | reg & |
e08f626b BA |
940 | ~E1000_KMRNCTRLSTA_K1_ENABLE); |
941 | if (ret_val) | |
942 | goto release; | |
943 | ||
944 | usleep_range(10, 20); | |
945 | ||
946 | ew32(FEXTNVM6, fextnvm6 | E1000_FEXTNVM6_REQ_PLL_CLK); | |
947 | ||
948 | ret_val = | |
949 | e1000e_write_kmrn_reg_locked(hw, | |
950 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
e0236ad9 | 951 | reg); |
e08f626b BA |
952 | release: |
953 | hw->phy.ops.release(hw); | |
954 | } else { | |
955 | /* clear FEXTNVM6 bit 8 on link down or 10/100 */ | |
e0236ad9 BA |
956 | fextnvm6 &= ~E1000_FEXTNVM6_REQ_PLL_CLK; |
957 | ||
79849ebc DE |
958 | if ((hw->phy.revision > 5) || !link || |
959 | ((status & E1000_STATUS_SPEED_100) && | |
960 | (status & E1000_STATUS_FD))) | |
e0236ad9 BA |
961 | goto update_fextnvm6; |
962 | ||
963 | ret_val = e1e_rphy(hw, I217_INBAND_CTRL, ®); | |
964 | if (ret_val) | |
965 | return ret_val; | |
966 | ||
967 | /* Clear link status transmit timeout */ | |
968 | reg &= ~I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK; | |
969 | ||
970 | if (status & E1000_STATUS_SPEED_100) { | |
971 | /* Set inband Tx timeout to 5x10us for 100Half */ | |
972 | reg |= 5 << I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT; | |
973 | ||
974 | /* Do not extend the K1 entry latency for 100Half */ | |
975 | fextnvm6 &= ~E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION; | |
976 | } else { | |
977 | /* Set inband Tx timeout to 50x10us for 10Full/Half */ | |
978 | reg |= 50 << | |
979 | I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT; | |
980 | ||
981 | /* Extend the K1 entry latency for 10 Mbps */ | |
982 | fextnvm6 |= E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION; | |
983 | } | |
984 | ||
985 | ret_val = e1e_wphy(hw, I217_INBAND_CTRL, reg); | |
986 | if (ret_val) | |
987 | return ret_val; | |
988 | ||
989 | update_fextnvm6: | |
990 | ew32(FEXTNVM6, fextnvm6); | |
e08f626b BA |
991 | } |
992 | ||
993 | return ret_val; | |
994 | } | |
995 | ||
cf8fb73c BA |
996 | /** |
997 | * e1000_platform_pm_pch_lpt - Set platform power management values | |
998 | * @hw: pointer to the HW structure | |
999 | * @link: bool indicating link status | |
1000 | * | |
1001 | * Set the Latency Tolerance Reporting (LTR) values for the "PCIe-like" | |
1002 | * GbE MAC in the Lynx Point PCH based on Rx buffer size and link speed | |
1003 | * when link is up (which must not exceed the maximum latency supported | |
1004 | * by the platform), otherwise specify there is no LTR requirement. | |
1005 | * Unlike true-PCIe devices which set the LTR maximum snoop/no-snoop | |
1006 | * latencies in the LTR Extended Capability Structure in the PCIe Extended | |
1007 | * Capability register set, on this device LTR is set by writing the | |
1008 | * equivalent snoop/no-snoop latencies in the LTRV register in the MAC and | |
1009 | * set the SEND bit to send an Intel On-chip System Fabric sideband (IOSF-SB) | |
1010 | * message to the PMC. | |
1011 | **/ | |
1012 | static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) | |
1013 | { | |
1014 | u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) | | |
1015 | link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND; | |
1016 | u16 lat_enc = 0; /* latency encoded */ | |
1017 | ||
1018 | if (link) { | |
1019 | u16 speed, duplex, scale = 0; | |
1020 | u16 max_snoop, max_nosnoop; | |
1021 | u16 max_ltr_enc; /* max LTR latency encoded */ | |
30544af5 | 1022 | u64 value; |
cf8fb73c BA |
1023 | u32 rxa; |
1024 | ||
1025 | if (!hw->adapter->max_frame_size) { | |
1026 | e_dbg("max_frame_size not set.\n"); | |
1027 | return -E1000_ERR_CONFIG; | |
1028 | } | |
1029 | ||
1030 | hw->mac.ops.get_link_up_info(hw, &speed, &duplex); | |
1031 | if (!speed) { | |
1032 | e_dbg("Speed not set.\n"); | |
1033 | return -E1000_ERR_CONFIG; | |
1034 | } | |
1035 | ||
1036 | /* Rx Packet Buffer Allocation size (KB) */ | |
1037 | rxa = er32(PBA) & E1000_PBA_RXA_MASK; | |
1038 | ||
1039 | /* Determine the maximum latency tolerated by the device. | |
1040 | * | |
1041 | * Per the PCIe spec, the tolerated latencies are encoded as | |
1042 | * a 3-bit encoded scale (only 0-5 are valid) multiplied by | |
1043 | * a 10-bit value (0-1023) to provide a range from 1 ns to | |
1044 | * 2^25*(2^10-1) ns. The scale is encoded as 0=2^0ns, | |
1045 | * 1=2^5ns, 2=2^10ns,...5=2^25ns. | |
1046 | */ | |
bfc9473b YL |
1047 | rxa *= 512; |
1048 | value = (rxa > hw->adapter->max_frame_size) ? | |
1049 | (rxa - hw->adapter->max_frame_size) * (16000 / speed) : | |
1050 | 0; | |
cf8fb73c | 1051 | |
cf8fb73c BA |
1052 | while (value > PCI_LTR_VALUE_MASK) { |
1053 | scale++; | |
18dd2392 | 1054 | value = DIV_ROUND_UP(value, BIT(5)); |
cf8fb73c BA |
1055 | } |
1056 | if (scale > E1000_LTRV_SCALE_MAX) { | |
1057 | e_dbg("Invalid LTR latency scale %d\n", scale); | |
1058 | return -E1000_ERR_CONFIG; | |
1059 | } | |
1060 | lat_enc = (u16)((scale << PCI_LTR_SCALE_SHIFT) | value); | |
1061 | ||
1062 | /* Determine the maximum latency tolerated by the platform */ | |
1063 | pci_read_config_word(hw->adapter->pdev, E1000_PCI_LTR_CAP_LPT, | |
1064 | &max_snoop); | |
1065 | pci_read_config_word(hw->adapter->pdev, | |
1066 | E1000_PCI_LTR_CAP_LPT + 2, &max_nosnoop); | |
1067 | max_ltr_enc = max_t(u16, max_snoop, max_nosnoop); | |
1068 | ||
1069 | if (lat_enc > max_ltr_enc) | |
1070 | lat_enc = max_ltr_enc; | |
1071 | } | |
1072 | ||
1073 | /* Set Snoop and No-Snoop latencies the same */ | |
1074 | reg |= lat_enc | (lat_enc << E1000_LTRV_NOSNOOP_SHIFT); | |
1075 | ew32(LTRV, reg); | |
1076 | ||
1077 | return 0; | |
1078 | } | |
1079 | ||
74f350ee DE |
1080 | /** |
1081 | * e1000_enable_ulp_lpt_lp - configure Ultra Low Power mode for LynxPoint-LP | |
1082 | * @hw: pointer to the HW structure | |
1083 | * @to_sx: boolean indicating a system power state transition to Sx | |
1084 | * | |
1085 | * When link is down, configure ULP mode to significantly reduce the power | |
1086 | * to the PHY. If on a Manageability Engine (ME) enabled system, tell the | |
1087 | * ME firmware to start the ULP configuration. If not on an ME enabled | |
1088 | * system, configure the ULP mode by software. | |
1089 | */ | |
1090 | s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) | |
1091 | { | |
1092 | u32 mac_reg; | |
1093 | s32 ret_val = 0; | |
1094 | u16 phy_reg; | |
6607c99e | 1095 | u16 oem_reg = 0; |
74f350ee DE |
1096 | |
1097 | if ((hw->mac.type < e1000_pch_lpt) || | |
1098 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) || | |
1099 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) || | |
1100 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) || | |
1101 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) || | |
1102 | (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_on)) | |
1103 | return 0; | |
1104 | ||
1105 | if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) { | |
1106 | /* Request ME configure ULP mode in the PHY */ | |
1107 | mac_reg = er32(H2ME); | |
1108 | mac_reg |= E1000_H2ME_ULP | E1000_H2ME_ENFORCE_SETTINGS; | |
1109 | ew32(H2ME, mac_reg); | |
1110 | ||
1111 | goto out; | |
1112 | } | |
1113 | ||
1114 | if (!to_sx) { | |
1115 | int i = 0; | |
1116 | ||
1117 | /* Poll up to 5 seconds for Cable Disconnected indication */ | |
1118 | while (!(er32(FEXT) & E1000_FEXT_PHY_CABLE_DISCONNECTED)) { | |
1119 | /* Bail if link is re-acquired */ | |
1120 | if (er32(STATUS) & E1000_STATUS_LU) | |
1121 | return -E1000_ERR_PHY; | |
1122 | ||
1123 | if (i++ == 100) | |
1124 | break; | |
1125 | ||
1126 | msleep(50); | |
1127 | } | |
1128 | e_dbg("CABLE_DISCONNECTED %s set after %dmsec\n", | |
1129 | (er32(FEXT) & | |
1130 | E1000_FEXT_PHY_CABLE_DISCONNECTED) ? "" : "not", i * 50); | |
1131 | } | |
1132 | ||
1133 | ret_val = hw->phy.ops.acquire(hw); | |
1134 | if (ret_val) | |
1135 | goto out; | |
1136 | ||
6607c99e YL |
1137 | /* Force SMBus mode in PHY */ |
1138 | ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); | |
1139 | if (ret_val) | |
1140 | goto release; | |
1141 | phy_reg |= CV_SMB_CTRL_FORCE_SMBUS; | |
1142 | e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); | |
1143 | ||
1144 | /* Force SMBus mode in MAC */ | |
1145 | mac_reg = er32(CTRL_EXT); | |
1146 | mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; | |
1147 | ew32(CTRL_EXT, mac_reg); | |
1148 | ||
79849ebc DE |
1149 | /* Si workaround for ULP entry flow on i127/rev6 h/w. Enable |
1150 | * LPLU and disable Gig speed when entering ULP | |
1151 | */ | |
1152 | if ((hw->phy.type == e1000_phy_i217) && (hw->phy.revision == 6)) { | |
1153 | ret_val = e1000_read_phy_reg_hv_locked(hw, HV_OEM_BITS, | |
6607c99e | 1154 | &oem_reg); |
79849ebc DE |
1155 | if (ret_val) |
1156 | goto release; | |
6607c99e YL |
1157 | |
1158 | phy_reg = oem_reg; | |
79849ebc | 1159 | phy_reg |= HV_OEM_BITS_LPLU | HV_OEM_BITS_GBE_DIS; |
6607c99e | 1160 | |
79849ebc DE |
1161 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_OEM_BITS, |
1162 | phy_reg); | |
6607c99e | 1163 | |
79849ebc DE |
1164 | if (ret_val) |
1165 | goto release; | |
1166 | } | |
1167 | ||
74f350ee DE |
1168 | /* Set Inband ULP Exit, Reset to SMBus mode and |
1169 | * Disable SMBus Release on PERST# in PHY | |
1170 | */ | |
1171 | ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg); | |
1172 | if (ret_val) | |
1173 | goto release; | |
1174 | phy_reg |= (I218_ULP_CONFIG1_RESET_TO_SMBUS | | |
1175 | I218_ULP_CONFIG1_DISABLE_SMB_PERST); | |
1176 | if (to_sx) { | |
1177 | if (er32(WUFC) & E1000_WUFC_LNKC) | |
1178 | phy_reg |= I218_ULP_CONFIG1_WOL_HOST; | |
6607c99e YL |
1179 | else |
1180 | phy_reg &= ~I218_ULP_CONFIG1_WOL_HOST; | |
74f350ee DE |
1181 | |
1182 | phy_reg |= I218_ULP_CONFIG1_STICKY_ULP; | |
6607c99e | 1183 | phy_reg &= ~I218_ULP_CONFIG1_INBAND_EXIT; |
74f350ee DE |
1184 | } else { |
1185 | phy_reg |= I218_ULP_CONFIG1_INBAND_EXIT; | |
6607c99e YL |
1186 | phy_reg &= ~I218_ULP_CONFIG1_STICKY_ULP; |
1187 | phy_reg &= ~I218_ULP_CONFIG1_WOL_HOST; | |
74f350ee DE |
1188 | } |
1189 | e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); | |
1190 | ||
1191 | /* Set Disable SMBus Release on PERST# in MAC */ | |
1192 | mac_reg = er32(FEXTNVM7); | |
1193 | mac_reg |= E1000_FEXTNVM7_DISABLE_SMB_PERST; | |
1194 | ew32(FEXTNVM7, mac_reg); | |
1195 | ||
1196 | /* Commit ULP changes in PHY by starting auto ULP configuration */ | |
1197 | phy_reg |= I218_ULP_CONFIG1_START; | |
1198 | e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); | |
6607c99e YL |
1199 | |
1200 | if ((hw->phy.type == e1000_phy_i217) && (hw->phy.revision == 6) && | |
1201 | to_sx && (er32(STATUS) & E1000_STATUS_LU)) { | |
1202 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_OEM_BITS, | |
1203 | oem_reg); | |
1204 | if (ret_val) | |
1205 | goto release; | |
1206 | } | |
1207 | ||
74f350ee DE |
1208 | release: |
1209 | hw->phy.ops.release(hw); | |
1210 | out: | |
1211 | if (ret_val) | |
1212 | e_dbg("Error in ULP enable flow: %d\n", ret_val); | |
1213 | else | |
1214 | hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_on; | |
1215 | ||
1216 | return ret_val; | |
1217 | } | |
1218 | ||
1219 | /** | |
1220 | * e1000_disable_ulp_lpt_lp - unconfigure Ultra Low Power mode for LynxPoint-LP | |
1221 | * @hw: pointer to the HW structure | |
1222 | * @force: boolean indicating whether or not to force disabling ULP | |
1223 | * | |
1224 | * Un-configure ULP mode when link is up, the system is transitioned from | |
1225 | * Sx or the driver is unloaded. If on a Manageability Engine (ME) enabled | |
1226 | * system, poll for an indication from ME that ULP has been un-configured. | |
1227 | * If not on an ME enabled system, un-configure the ULP mode by software. | |
1228 | * | |
1229 | * During nominal operation, this function is called when link is acquired | |
1230 | * to disable ULP mode (force=false); otherwise, for example when unloading | |
1231 | * the driver or during Sx->S0 transitions, this is called with force=true | |
1232 | * to forcibly disable ULP. | |
1233 | */ | |
1234 | static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) | |
1235 | { | |
1236 | s32 ret_val = 0; | |
1237 | u32 mac_reg; | |
1238 | u16 phy_reg; | |
1239 | int i = 0; | |
1240 | ||
1241 | if ((hw->mac.type < e1000_pch_lpt) || | |
1242 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) || | |
1243 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) || | |
1244 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) || | |
1245 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) || | |
1246 | (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_off)) | |
1247 | return 0; | |
1248 | ||
1249 | if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) { | |
1250 | if (force) { | |
1251 | /* Request ME un-configure ULP mode in the PHY */ | |
1252 | mac_reg = er32(H2ME); | |
1253 | mac_reg &= ~E1000_H2ME_ULP; | |
1254 | mac_reg |= E1000_H2ME_ENFORCE_SETTINGS; | |
1255 | ew32(H2ME, mac_reg); | |
1256 | } | |
1257 | ||
6721e9d5 | 1258 | /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */ |
74f350ee | 1259 | while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) { |
6721e9d5 | 1260 | if (i++ == 30) { |
74f350ee DE |
1261 | ret_val = -E1000_ERR_PHY; |
1262 | goto out; | |
1263 | } | |
1264 | ||
1265 | usleep_range(10000, 20000); | |
1266 | } | |
1267 | e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10); | |
1268 | ||
1269 | if (force) { | |
1270 | mac_reg = er32(H2ME); | |
1271 | mac_reg &= ~E1000_H2ME_ENFORCE_SETTINGS; | |
1272 | ew32(H2ME, mac_reg); | |
1273 | } else { | |
1274 | /* Clear H2ME.ULP after ME ULP configuration */ | |
1275 | mac_reg = er32(H2ME); | |
1276 | mac_reg &= ~E1000_H2ME_ULP; | |
1277 | ew32(H2ME, mac_reg); | |
1278 | } | |
1279 | ||
1280 | goto out; | |
1281 | } | |
1282 | ||
1283 | ret_val = hw->phy.ops.acquire(hw); | |
1284 | if (ret_val) | |
1285 | goto out; | |
1286 | ||
1287 | if (force) | |
1288 | /* Toggle LANPHYPC Value bit */ | |
1289 | e1000_toggle_lanphypc_pch_lpt(hw); | |
1290 | ||
1291 | /* Unforce SMBus mode in PHY */ | |
1292 | ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); | |
1293 | if (ret_val) { | |
1294 | /* The MAC might be in PCIe mode, so temporarily force to | |
1295 | * SMBus mode in order to access the PHY. | |
1296 | */ | |
1297 | mac_reg = er32(CTRL_EXT); | |
1298 | mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; | |
1299 | ew32(CTRL_EXT, mac_reg); | |
1300 | ||
1301 | msleep(50); | |
1302 | ||
1303 | ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, | |
1304 | &phy_reg); | |
1305 | if (ret_val) | |
1306 | goto release; | |
1307 | } | |
1308 | phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; | |
1309 | e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); | |
1310 | ||
1311 | /* Unforce SMBus mode in MAC */ | |
1312 | mac_reg = er32(CTRL_EXT); | |
1313 | mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; | |
1314 | ew32(CTRL_EXT, mac_reg); | |
1315 | ||
1316 | /* When ULP mode was previously entered, K1 was disabled by the | |
1317 | * hardware. Re-Enable K1 in the PHY when exiting ULP. | |
1318 | */ | |
1319 | ret_val = e1000_read_phy_reg_hv_locked(hw, HV_PM_CTRL, &phy_reg); | |
1320 | if (ret_val) | |
1321 | goto release; | |
1322 | phy_reg |= HV_PM_CTRL_K1_ENABLE; | |
1323 | e1000_write_phy_reg_hv_locked(hw, HV_PM_CTRL, phy_reg); | |
1324 | ||
1325 | /* Clear ULP enabled configuration */ | |
1326 | ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg); | |
1327 | if (ret_val) | |
1328 | goto release; | |
1329 | phy_reg &= ~(I218_ULP_CONFIG1_IND | | |
1330 | I218_ULP_CONFIG1_STICKY_ULP | | |
1331 | I218_ULP_CONFIG1_RESET_TO_SMBUS | | |
1332 | I218_ULP_CONFIG1_WOL_HOST | | |
1333 | I218_ULP_CONFIG1_INBAND_EXIT | | |
c5c6d077 RA |
1334 | I218_ULP_CONFIG1_EN_ULP_LANPHYPC | |
1335 | I218_ULP_CONFIG1_DIS_CLR_STICKY_ON_PERST | | |
74f350ee DE |
1336 | I218_ULP_CONFIG1_DISABLE_SMB_PERST); |
1337 | e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); | |
1338 | ||
1339 | /* Commit ULP changes by starting auto ULP configuration */ | |
1340 | phy_reg |= I218_ULP_CONFIG1_START; | |
1341 | e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); | |
1342 | ||
1343 | /* Clear Disable SMBus Release on PERST# in MAC */ | |
1344 | mac_reg = er32(FEXTNVM7); | |
1345 | mac_reg &= ~E1000_FEXTNVM7_DISABLE_SMB_PERST; | |
1346 | ew32(FEXTNVM7, mac_reg); | |
1347 | ||
1348 | release: | |
1349 | hw->phy.ops.release(hw); | |
1350 | if (force) { | |
1351 | e1000_phy_hw_reset(hw); | |
1352 | msleep(50); | |
1353 | } | |
1354 | out: | |
1355 | if (ret_val) | |
1356 | e_dbg("Error in ULP disable flow: %d\n", ret_val); | |
1357 | else | |
1358 | hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_off; | |
1359 | ||
1360 | return ret_val; | |
1361 | } | |
1362 | ||
7d3cabbc BA |
1363 | /** |
1364 | * e1000_check_for_copper_link_ich8lan - Check for link (Copper) | |
1365 | * @hw: pointer to the HW structure | |
1366 | * | |
1367 | * Checks to see of the link status of the hardware has changed. If a | |
1368 | * change in link status has been detected, then we read the PHY registers | |
1369 | * to get the current speed/duplex if link exists. | |
4110e02e BP |
1370 | * |
1371 | * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link | |
1372 | * up). | |
7d3cabbc BA |
1373 | **/ |
1374 | static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |
1375 | { | |
1376 | struct e1000_mac_info *mac = &hw->mac; | |
79849ebc DE |
1377 | s32 ret_val, tipg_reg = 0; |
1378 | u16 emi_addr, emi_val = 0; | |
7d3cabbc | 1379 | bool link; |
1d2101a7 | 1380 | u16 phy_reg; |
7d3cabbc | 1381 | |
e921eb1a | 1382 | /* We only want to go out to the PHY registers to see if Auto-Neg |
7d3cabbc BA |
1383 | * has completed and/or if our link status has changed. The |
1384 | * get_link_status flag is set upon receiving a Link Status | |
1385 | * Change or Rx Sequence Error interrupt. | |
1386 | */ | |
5015e53a | 1387 | if (!mac->get_link_status) |
4110e02e | 1388 | return 1; |
7d3cabbc | 1389 | |
e921eb1a | 1390 | /* First we want to see if the MII Status Register reports |
7d3cabbc BA |
1391 | * link. If so, then we want to get the current speed/duplex |
1392 | * of the PHY. | |
1393 | */ | |
1394 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | |
1395 | if (ret_val) | |
5015e53a | 1396 | return ret_val; |
7d3cabbc | 1397 | |
1d5846b9 BA |
1398 | if (hw->mac.type == e1000_pchlan) { |
1399 | ret_val = e1000_k1_gig_workaround_hv(hw, link); | |
1400 | if (ret_val) | |
5015e53a | 1401 | return ret_val; |
1d5846b9 BA |
1402 | } |
1403 | ||
fbb9ab10 | 1404 | /* When connected at 10Mbps half-duplex, some parts are excessively |
772d05c5 BA |
1405 | * aggressive resulting in many collisions. To avoid this, increase |
1406 | * the IPG and reduce Rx latency in the PHY. | |
1407 | */ | |
c8744f44 | 1408 | if ((hw->mac.type >= e1000_pch2lan) && link) { |
69cfbc95 | 1409 | u16 speed, duplex; |
6cf08d1c | 1410 | |
69cfbc95 | 1411 | e1000e_get_speed_and_duplex_copper(hw, &speed, &duplex); |
79849ebc DE |
1412 | tipg_reg = er32(TIPG); |
1413 | tipg_reg &= ~E1000_TIPG_IPGT_MASK; | |
1414 | ||
69cfbc95 | 1415 | if (duplex == HALF_DUPLEX && speed == SPEED_10) { |
79849ebc DE |
1416 | tipg_reg |= 0xFF; |
1417 | /* Reduce Rx latency in analog PHY */ | |
1418 | emi_val = 0; | |
c8744f44 | 1419 | } else if (hw->mac.type >= e1000_pch_spt && |
69cfbc95 YL |
1420 | duplex == FULL_DUPLEX && speed != SPEED_1000) { |
1421 | tipg_reg |= 0xC; | |
1422 | emi_val = 1; | |
79849ebc | 1423 | } else { |
fbb9ab10 | 1424 | |
79849ebc DE |
1425 | /* Roll back the default values */ |
1426 | tipg_reg |= 0x08; | |
1427 | emi_val = 1; | |
1428 | } | |
772d05c5 | 1429 | |
79849ebc | 1430 | ew32(TIPG, tipg_reg); |
772d05c5 | 1431 | |
79849ebc DE |
1432 | ret_val = hw->phy.ops.acquire(hw); |
1433 | if (ret_val) | |
1434 | return ret_val; | |
fbb9ab10 | 1435 | |
79849ebc DE |
1436 | if (hw->mac.type == e1000_pch2lan) |
1437 | emi_addr = I82579_RX_CONFIG; | |
1438 | else | |
1439 | emi_addr = I217_RX_CONFIG; | |
1440 | ret_val = e1000_write_emi_reg_locked(hw, emi_addr, emi_val); | |
772d05c5 | 1441 | |
c8744f44 | 1442 | if (hw->mac.type >= e1000_pch_lpt) { |
74f31299 RA |
1443 | u16 phy_reg; |
1444 | ||
1445 | e1e_rphy_locked(hw, I217_PLL_CLOCK_GATE_REG, &phy_reg); | |
1446 | phy_reg &= ~I217_PLL_CLOCK_GATE_MASK; | |
1447 | if (speed == SPEED_100 || speed == SPEED_10) | |
1448 | phy_reg |= 0x3E8; | |
1449 | else | |
1450 | phy_reg |= 0xFA; | |
1451 | e1e_wphy_locked(hw, I217_PLL_CLOCK_GATE_REG, phy_reg); | |
1452 | } | |
79849ebc | 1453 | hw->phy.ops.release(hw); |
772d05c5 | 1454 | |
79849ebc DE |
1455 | if (ret_val) |
1456 | return ret_val; | |
93cbfc70 | 1457 | |
c8744f44 | 1458 | if (hw->mac.type >= e1000_pch_spt) { |
93cbfc70 YL |
1459 | u16 data; |
1460 | u16 ptr_gap; | |
1461 | ||
1462 | if (speed == SPEED_1000) { | |
1463 | ret_val = hw->phy.ops.acquire(hw); | |
1464 | if (ret_val) | |
1465 | return ret_val; | |
1466 | ||
1467 | ret_val = e1e_rphy_locked(hw, | |
1468 | PHY_REG(776, 20), | |
1469 | &data); | |
1470 | if (ret_val) { | |
1471 | hw->phy.ops.release(hw); | |
1472 | return ret_val; | |
1473 | } | |
1474 | ||
1475 | ptr_gap = (data & (0x3FF << 2)) >> 2; | |
1476 | if (ptr_gap < 0x18) { | |
1477 | data &= ~(0x3FF << 2); | |
1478 | data |= (0x18 << 2); | |
1479 | ret_val = | |
1480 | e1e_wphy_locked(hw, | |
1481 | PHY_REG(776, 20), | |
1482 | data); | |
1483 | } | |
1484 | hw->phy.ops.release(hw); | |
1485 | if (ret_val) | |
1486 | return ret_val; | |
c26f40da RA |
1487 | } else { |
1488 | ret_val = hw->phy.ops.acquire(hw); | |
1489 | if (ret_val) | |
1490 | return ret_val; | |
1491 | ||
1492 | ret_val = e1e_wphy_locked(hw, | |
1493 | PHY_REG(776, 20), | |
1494 | 0xC023); | |
1495 | hw->phy.ops.release(hw); | |
1496 | if (ret_val) | |
1497 | return ret_val; | |
1498 | ||
93cbfc70 YL |
1499 | } |
1500 | } | |
1501 | } | |
1502 | ||
1503 | /* I217 Packet Loss issue: | |
1504 | * ensure that FEXTNVM4 Beacon Duration is set correctly | |
1505 | * on power up. | |
1506 | * Set the Beacon Duration for I217 to 8 usec | |
1507 | */ | |
c8744f44 | 1508 | if (hw->mac.type >= e1000_pch_lpt) { |
93cbfc70 YL |
1509 | u32 mac_reg; |
1510 | ||
1511 | mac_reg = er32(FEXTNVM4); | |
1512 | mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK; | |
1513 | mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC; | |
1514 | ew32(FEXTNVM4, mac_reg); | |
772d05c5 BA |
1515 | } |
1516 | ||
e08f626b BA |
1517 | /* Work-around I218 hang issue */ |
1518 | if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) || | |
91a3d82f BA |
1519 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V) || |
1520 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM3) || | |
352f8ead | 1521 | (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) { |
e08f626b BA |
1522 | ret_val = e1000_k1_workaround_lpt_lp(hw, link); |
1523 | if (ret_val) | |
1524 | return ret_val; | |
1525 | } | |
c8744f44 | 1526 | if (hw->mac.type >= e1000_pch_lpt) { |
cf8fb73c BA |
1527 | /* Set platform power management values for |
1528 | * Latency Tolerance Reporting (LTR) | |
1529 | */ | |
1530 | ret_val = e1000_platform_pm_pch_lpt(hw, link); | |
1531 | if (ret_val) | |
1532 | return ret_val; | |
1533 | } | |
1534 | ||
2fbe4526 BA |
1535 | /* Clear link partner's EEE ability */ |
1536 | hw->dev_spec.ich8lan.eee_lp_ability = 0; | |
1537 | ||
c8744f44 | 1538 | if (hw->mac.type >= e1000_pch_lpt) { |
79849ebc DE |
1539 | u32 fextnvm6 = er32(FEXTNVM6); |
1540 | ||
c8744f44 SN |
1541 | if (hw->mac.type == e1000_pch_spt) { |
1542 | /* FEXTNVM6 K1-off workaround - for SPT only */ | |
1543 | u32 pcieanacfg = er32(PCIEANACFG); | |
1544 | ||
1545 | if (pcieanacfg & E1000_FEXTNVM6_K1_OFF_ENABLE) | |
1546 | fextnvm6 |= E1000_FEXTNVM6_K1_OFF_ENABLE; | |
1547 | else | |
1548 | fextnvm6 &= ~E1000_FEXTNVM6_K1_OFF_ENABLE; | |
1549 | } | |
79849ebc DE |
1550 | |
1551 | ew32(FEXTNVM6, fextnvm6); | |
1552 | } | |
1553 | ||
7d3cabbc | 1554 | if (!link) |
e80bd1d1 | 1555 | return 0; /* No link detected */ |
7d3cabbc BA |
1556 | |
1557 | mac->get_link_status = false; | |
1558 | ||
1d2101a7 BA |
1559 | switch (hw->mac.type) { |
1560 | case e1000_pch2lan: | |
831bd2e6 BA |
1561 | ret_val = e1000_k1_workaround_lv(hw); |
1562 | if (ret_val) | |
5015e53a | 1563 | return ret_val; |
1d2101a7 BA |
1564 | /* fall-thru */ |
1565 | case e1000_pchlan: | |
1566 | if (hw->phy.type == e1000_phy_82578) { | |
1567 | ret_val = e1000_link_stall_workaround_hv(hw); | |
1568 | if (ret_val) | |
5015e53a | 1569 | return ret_val; |
1d2101a7 BA |
1570 | } |
1571 | ||
e921eb1a | 1572 | /* Workaround for PCHx parts in half-duplex: |
1d2101a7 BA |
1573 | * Set the number of preambles removed from the packet |
1574 | * when it is passed from the PHY to the MAC to prevent | |
1575 | * the MAC from misinterpreting the packet type. | |
1576 | */ | |
1577 | e1e_rphy(hw, HV_KMRN_FIFO_CTRLSTA, &phy_reg); | |
1578 | phy_reg &= ~HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK; | |
1579 | ||
1580 | if ((er32(STATUS) & E1000_STATUS_FD) != E1000_STATUS_FD) | |
18dd2392 | 1581 | phy_reg |= BIT(HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT); |
1d2101a7 BA |
1582 | |
1583 | e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, phy_reg); | |
1584 | break; | |
1585 | default: | |
1586 | break; | |
831bd2e6 BA |
1587 | } |
1588 | ||
e921eb1a | 1589 | /* Check if there was DownShift, must be checked |
7d3cabbc BA |
1590 | * immediately after link-up |
1591 | */ | |
1592 | e1000e_check_downshift(hw); | |
1593 | ||
e52997f9 | 1594 | /* Enable/Disable EEE after link up */ |
a03206ed DE |
1595 | if (hw->phy.type > e1000_phy_82579) { |
1596 | ret_val = e1000_set_eee_pchlan(hw); | |
1597 | if (ret_val) | |
1598 | return ret_val; | |
1599 | } | |
e52997f9 | 1600 | |
e921eb1a | 1601 | /* If we are forcing speed/duplex, then we simply return since |
7d3cabbc BA |
1602 | * we have already determined whether we have link or not. |
1603 | */ | |
5015e53a BA |
1604 | if (!mac->autoneg) |
1605 | return -E1000_ERR_CONFIG; | |
7d3cabbc | 1606 | |
e921eb1a | 1607 | /* Auto-Neg is enabled. Auto Speed Detection takes care |
7d3cabbc BA |
1608 | * of MAC speed/duplex configuration. So we only need to |
1609 | * configure Collision Distance in the MAC. | |
1610 | */ | |
57cde763 | 1611 | mac->ops.config_collision_dist(hw); |
7d3cabbc | 1612 | |
e921eb1a | 1613 | /* Configure Flow Control now that Auto-Neg has completed. |
7d3cabbc BA |
1614 | * First, we need to restore the desired flow control |
1615 | * settings because we may have had to re-autoneg with a | |
1616 | * different link partner. | |
1617 | */ | |
1618 | ret_val = e1000e_config_fc_after_link_up(hw); | |
4110e02e | 1619 | if (ret_val) { |
3bb99fe2 | 1620 | e_dbg("Error configuring flow control\n"); |
4110e02e BP |
1621 | return ret_val; |
1622 | } | |
7d3cabbc | 1623 | |
4110e02e | 1624 | return 1; |
7d3cabbc BA |
1625 | } |
1626 | ||
69e3fd8c | 1627 | static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) |
bc7f75fa AK |
1628 | { |
1629 | struct e1000_hw *hw = &adapter->hw; | |
1630 | s32 rc; | |
1631 | ||
ec34c170 | 1632 | rc = e1000_init_mac_params_ich8lan(hw); |
bc7f75fa AK |
1633 | if (rc) |
1634 | return rc; | |
1635 | ||
1636 | rc = e1000_init_nvm_params_ich8lan(hw); | |
1637 | if (rc) | |
1638 | return rc; | |
1639 | ||
d3738bb8 BA |
1640 | switch (hw->mac.type) { |
1641 | case e1000_ich8lan: | |
1642 | case e1000_ich9lan: | |
1643 | case e1000_ich10lan: | |
a4f58f54 | 1644 | rc = e1000_init_phy_params_ich8lan(hw); |
d3738bb8 BA |
1645 | break; |
1646 | case e1000_pchlan: | |
1647 | case e1000_pch2lan: | |
2fbe4526 | 1648 | case e1000_pch_lpt: |
79849ebc | 1649 | case e1000_pch_spt: |
c8744f44 | 1650 | case e1000_pch_cnp: |
d3738bb8 BA |
1651 | rc = e1000_init_phy_params_pchlan(hw); |
1652 | break; | |
1653 | default: | |
1654 | break; | |
1655 | } | |
bc7f75fa AK |
1656 | if (rc) |
1657 | return rc; | |
1658 | ||
e921eb1a | 1659 | /* Disable Jumbo Frame support on parts with Intel 10/100 PHY or |
23e4f061 BA |
1660 | * on parts with MACsec enabled in NVM (reflected in CTRL_EXT). |
1661 | */ | |
1662 | if ((adapter->hw.phy.type == e1000_phy_ife) || | |
1663 | ((adapter->hw.mac.type >= e1000_pch2lan) && | |
1664 | (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LSECCK)))) { | |
2adc55c9 | 1665 | adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES; |
8084b86d | 1666 | adapter->max_hw_frame_size = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN; |
dbf80dcb BA |
1667 | |
1668 | hw->mac.ops.blink_led = NULL; | |
2adc55c9 BA |
1669 | } |
1670 | ||
bc7f75fa | 1671 | if ((adapter->hw.mac.type == e1000_ich8lan) && |
462d5994 | 1672 | (adapter->hw.phy.type != e1000_phy_ife)) |
bc7f75fa AK |
1673 | adapter->flags |= FLAG_LSC_GIG_SPEED_DROP; |
1674 | ||
c6e7f51e BA |
1675 | /* Enable workaround for 82579 w/ ME enabled */ |
1676 | if ((adapter->hw.mac.type == e1000_pch2lan) && | |
1677 | (er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
1678 | adapter->flags2 |= FLAG2_PCIM2PCI_ARBITER_WA; | |
1679 | ||
bc7f75fa AK |
1680 | return 0; |
1681 | } | |
1682 | ||
717d438d | 1683 | static DEFINE_MUTEX(nvm_mutex); |
717d438d | 1684 | |
ca15df58 BA |
1685 | /** |
1686 | * e1000_acquire_nvm_ich8lan - Acquire NVM mutex | |
1687 | * @hw: pointer to the HW structure | |
1688 | * | |
1689 | * Acquires the mutex for performing NVM operations. | |
1690 | **/ | |
8bb62869 | 1691 | static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw __always_unused *hw) |
ca15df58 BA |
1692 | { |
1693 | mutex_lock(&nvm_mutex); | |
1694 | ||
1695 | return 0; | |
1696 | } | |
1697 | ||
1698 | /** | |
1699 | * e1000_release_nvm_ich8lan - Release NVM mutex | |
1700 | * @hw: pointer to the HW structure | |
1701 | * | |
1702 | * Releases the mutex used while performing NVM operations. | |
1703 | **/ | |
8bb62869 | 1704 | static void e1000_release_nvm_ich8lan(struct e1000_hw __always_unused *hw) |
ca15df58 BA |
1705 | { |
1706 | mutex_unlock(&nvm_mutex); | |
ca15df58 BA |
1707 | } |
1708 | ||
bc7f75fa AK |
1709 | /** |
1710 | * e1000_acquire_swflag_ich8lan - Acquire software control flag | |
1711 | * @hw: pointer to the HW structure | |
1712 | * | |
ca15df58 BA |
1713 | * Acquires the software control flag for performing PHY and select |
1714 | * MAC CSR accesses. | |
bc7f75fa AK |
1715 | **/ |
1716 | static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) | |
1717 | { | |
373a88d7 BA |
1718 | u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT; |
1719 | s32 ret_val = 0; | |
bc7f75fa | 1720 | |
a90b412c BA |
1721 | if (test_and_set_bit(__E1000_ACCESS_SHARED_RESOURCE, |
1722 | &hw->adapter->state)) { | |
34c9ef8b | 1723 | e_dbg("contention for Phy access\n"); |
a90b412c BA |
1724 | return -E1000_ERR_PHY; |
1725 | } | |
717d438d | 1726 | |
bc7f75fa AK |
1727 | while (timeout) { |
1728 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
373a88d7 BA |
1729 | if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) |
1730 | break; | |
bc7f75fa | 1731 | |
373a88d7 BA |
1732 | mdelay(1); |
1733 | timeout--; | |
1734 | } | |
1735 | ||
1736 | if (!timeout) { | |
a90b412c | 1737 | e_dbg("SW has already locked the resource.\n"); |
373a88d7 BA |
1738 | ret_val = -E1000_ERR_CONFIG; |
1739 | goto out; | |
1740 | } | |
1741 | ||
53ac5a88 | 1742 | timeout = SW_FLAG_TIMEOUT; |
373a88d7 BA |
1743 | |
1744 | extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; | |
1745 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
1746 | ||
1747 | while (timeout) { | |
1748 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
1749 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) | |
1750 | break; | |
a4f58f54 | 1751 | |
bc7f75fa AK |
1752 | mdelay(1); |
1753 | timeout--; | |
1754 | } | |
1755 | ||
1756 | if (!timeout) { | |
434f1392 | 1757 | e_dbg("Failed to acquire the semaphore, FW or HW has it: FWSM=0x%8.8x EXTCNF_CTRL=0x%8.8x)\n", |
a90b412c | 1758 | er32(FWSM), extcnf_ctrl); |
2e2e8d53 BA |
1759 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; |
1760 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
373a88d7 BA |
1761 | ret_val = -E1000_ERR_CONFIG; |
1762 | goto out; | |
bc7f75fa AK |
1763 | } |
1764 | ||
373a88d7 BA |
1765 | out: |
1766 | if (ret_val) | |
a90b412c | 1767 | clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state); |
373a88d7 BA |
1768 | |
1769 | return ret_val; | |
bc7f75fa AK |
1770 | } |
1771 | ||
1772 | /** | |
1773 | * e1000_release_swflag_ich8lan - Release software control flag | |
1774 | * @hw: pointer to the HW structure | |
1775 | * | |
ca15df58 BA |
1776 | * Releases the software control flag for performing PHY and select |
1777 | * MAC CSR accesses. | |
bc7f75fa AK |
1778 | **/ |
1779 | static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) | |
1780 | { | |
1781 | u32 extcnf_ctrl; | |
1782 | ||
1783 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
c5caf482 BA |
1784 | |
1785 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) { | |
1786 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; | |
1787 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
1788 | } else { | |
1789 | e_dbg("Semaphore unexpectedly released by sw/fw/hw\n"); | |
1790 | } | |
717d438d | 1791 | |
a90b412c | 1792 | clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state); |
bc7f75fa AK |
1793 | } |
1794 | ||
4662e82b BA |
1795 | /** |
1796 | * e1000_check_mng_mode_ich8lan - Checks management mode | |
1797 | * @hw: pointer to the HW structure | |
1798 | * | |
eb7700dc | 1799 | * This checks if the adapter has any manageability enabled. |
4662e82b BA |
1800 | * This is a function pointer entry point only called by read/write |
1801 | * routines for the PHY and NVM parts. | |
1802 | **/ | |
1803 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw) | |
1804 | { | |
a708dd88 BA |
1805 | u32 fwsm; |
1806 | ||
1807 | fwsm = er32(FWSM); | |
261a7d12 | 1808 | return (fwsm & E1000_ICH_FWSM_FW_VALID) && |
f0ff4398 | 1809 | ((fwsm & E1000_FWSM_MODE_MASK) == |
261a7d12 | 1810 | (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT)); |
eb7700dc | 1811 | } |
4662e82b | 1812 | |
eb7700dc BA |
1813 | /** |
1814 | * e1000_check_mng_mode_pchlan - Checks management mode | |
1815 | * @hw: pointer to the HW structure | |
1816 | * | |
1817 | * This checks if the adapter has iAMT enabled. | |
1818 | * This is a function pointer entry point only called by read/write | |
1819 | * routines for the PHY and NVM parts. | |
1820 | **/ | |
1821 | static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw) | |
1822 | { | |
1823 | u32 fwsm; | |
1824 | ||
1825 | fwsm = er32(FWSM); | |
1826 | return (fwsm & E1000_ICH_FWSM_FW_VALID) && | |
f0ff4398 | 1827 | (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT)); |
4662e82b BA |
1828 | } |
1829 | ||
69e1e019 BA |
1830 | /** |
1831 | * e1000_rar_set_pch2lan - Set receive address register | |
1832 | * @hw: pointer to the HW structure | |
1833 | * @addr: pointer to the receive address | |
1834 | * @index: receive address array register | |
1835 | * | |
1836 | * Sets the receive address array register at index to the address passed | |
1837 | * in by addr. For 82579, RAR[0] is the base address register that is to | |
1838 | * contain the MAC address but RAR[1-6] are reserved for manageability (ME). | |
1839 | * Use SHRA[0-3] in place of those reserved for ME. | |
1840 | **/ | |
b3e5bf1f | 1841 | static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index) |
69e1e019 BA |
1842 | { |
1843 | u32 rar_low, rar_high; | |
1844 | ||
e921eb1a | 1845 | /* HW expects these in little endian so we reverse the byte order |
69e1e019 BA |
1846 | * from network order (big endian) to little endian |
1847 | */ | |
1848 | rar_low = ((u32)addr[0] | | |
1849 | ((u32)addr[1] << 8) | | |
1850 | ((u32)addr[2] << 16) | ((u32)addr[3] << 24)); | |
1851 | ||
1852 | rar_high = ((u32)addr[4] | ((u32)addr[5] << 8)); | |
1853 | ||
1854 | /* If MAC address zero, no need to set the AV bit */ | |
1855 | if (rar_low || rar_high) | |
1856 | rar_high |= E1000_RAH_AV; | |
1857 | ||
1858 | if (index == 0) { | |
1859 | ew32(RAL(index), rar_low); | |
1860 | e1e_flush(); | |
1861 | ew32(RAH(index), rar_high); | |
1862 | e1e_flush(); | |
b3e5bf1f | 1863 | return 0; |
69e1e019 BA |
1864 | } |
1865 | ||
c3a0dce3 DE |
1866 | /* RAR[1-6] are owned by manageability. Skip those and program the |
1867 | * next address into the SHRA register array. | |
1868 | */ | |
96dee024 | 1869 | if (index < (u32)(hw->mac.rar_entry_count)) { |
69e1e019 BA |
1870 | s32 ret_val; |
1871 | ||
1872 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
1873 | if (ret_val) | |
1874 | goto out; | |
1875 | ||
1876 | ew32(SHRAL(index - 1), rar_low); | |
1877 | e1e_flush(); | |
1878 | ew32(SHRAH(index - 1), rar_high); | |
1879 | e1e_flush(); | |
1880 | ||
1881 | e1000_release_swflag_ich8lan(hw); | |
1882 | ||
1883 | /* verify the register updates */ | |
1884 | if ((er32(SHRAL(index - 1)) == rar_low) && | |
1885 | (er32(SHRAH(index - 1)) == rar_high)) | |
b3e5bf1f | 1886 | return 0; |
69e1e019 BA |
1887 | |
1888 | e_dbg("SHRA[%d] might be locked by ME - FWSM=0x%8.8x\n", | |
1889 | (index - 1), er32(FWSM)); | |
1890 | } | |
1891 | ||
1892 | out: | |
1893 | e_dbg("Failed to write receive address at index %d\n", index); | |
b3e5bf1f DE |
1894 | return -E1000_ERR_CONFIG; |
1895 | } | |
1896 | ||
1897 | /** | |
1898 | * e1000_rar_get_count_pch_lpt - Get the number of available SHRA | |
1899 | * @hw: pointer to the HW structure | |
1900 | * | |
1901 | * Get the number of available receive registers that the Host can | |
1902 | * program. SHRA[0-10] are the shared receive address registers | |
1903 | * that are shared between the Host and manageability engine (ME). | |
1904 | * ME can reserve any number of addresses and the host needs to be | |
1905 | * able to tell how many available registers it has access to. | |
1906 | **/ | |
1907 | static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw) | |
1908 | { | |
1909 | u32 wlock_mac; | |
1910 | u32 num_entries; | |
1911 | ||
1912 | wlock_mac = er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK; | |
1913 | wlock_mac >>= E1000_FWSM_WLOCK_MAC_SHIFT; | |
1914 | ||
1915 | switch (wlock_mac) { | |
1916 | case 0: | |
1917 | /* All SHRA[0..10] and RAR[0] available */ | |
1918 | num_entries = hw->mac.rar_entry_count; | |
1919 | break; | |
1920 | case 1: | |
1921 | /* Only RAR[0] available */ | |
1922 | num_entries = 1; | |
1923 | break; | |
1924 | default: | |
1925 | /* SHRA[0..(wlock_mac - 1)] available + RAR[0] */ | |
1926 | num_entries = wlock_mac + 1; | |
1927 | break; | |
1928 | } | |
1929 | ||
1930 | return num_entries; | |
69e1e019 BA |
1931 | } |
1932 | ||
2fbe4526 BA |
1933 | /** |
1934 | * e1000_rar_set_pch_lpt - Set receive address registers | |
1935 | * @hw: pointer to the HW structure | |
1936 | * @addr: pointer to the receive address | |
1937 | * @index: receive address array register | |
1938 | * | |
1939 | * Sets the receive address register array at index to the address passed | |
1940 | * in by addr. For LPT, RAR[0] is the base address register that is to | |
1941 | * contain the MAC address. SHRA[0-10] are the shared receive address | |
1942 | * registers that are shared between the Host and manageability engine (ME). | |
1943 | **/ | |
b3e5bf1f | 1944 | static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index) |
2fbe4526 BA |
1945 | { |
1946 | u32 rar_low, rar_high; | |
1947 | u32 wlock_mac; | |
1948 | ||
e921eb1a | 1949 | /* HW expects these in little endian so we reverse the byte order |
2fbe4526 BA |
1950 | * from network order (big endian) to little endian |
1951 | */ | |
1952 | rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) | | |
1953 | ((u32)addr[2] << 16) | ((u32)addr[3] << 24)); | |
1954 | ||
1955 | rar_high = ((u32)addr[4] | ((u32)addr[5] << 8)); | |
1956 | ||
1957 | /* If MAC address zero, no need to set the AV bit */ | |
1958 | if (rar_low || rar_high) | |
1959 | rar_high |= E1000_RAH_AV; | |
1960 | ||
1961 | if (index == 0) { | |
1962 | ew32(RAL(index), rar_low); | |
1963 | e1e_flush(); | |
1964 | ew32(RAH(index), rar_high); | |
1965 | e1e_flush(); | |
b3e5bf1f | 1966 | return 0; |
2fbe4526 BA |
1967 | } |
1968 | ||
e921eb1a | 1969 | /* The manageability engine (ME) can lock certain SHRAR registers that |
2fbe4526 BA |
1970 | * it is using - those registers are unavailable for use. |
1971 | */ | |
1972 | if (index < hw->mac.rar_entry_count) { | |
1973 | wlock_mac = er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK; | |
1974 | wlock_mac >>= E1000_FWSM_WLOCK_MAC_SHIFT; | |
1975 | ||
1976 | /* Check if all SHRAR registers are locked */ | |
1977 | if (wlock_mac == 1) | |
1978 | goto out; | |
1979 | ||
1980 | if ((wlock_mac == 0) || (index <= wlock_mac)) { | |
1981 | s32 ret_val; | |
1982 | ||
1983 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
1984 | ||
1985 | if (ret_val) | |
1986 | goto out; | |
1987 | ||
1988 | ew32(SHRAL_PCH_LPT(index - 1), rar_low); | |
1989 | e1e_flush(); | |
1990 | ew32(SHRAH_PCH_LPT(index - 1), rar_high); | |
1991 | e1e_flush(); | |
1992 | ||
1993 | e1000_release_swflag_ich8lan(hw); | |
1994 | ||
1995 | /* verify the register updates */ | |
1996 | if ((er32(SHRAL_PCH_LPT(index - 1)) == rar_low) && | |
1997 | (er32(SHRAH_PCH_LPT(index - 1)) == rar_high)) | |
b3e5bf1f | 1998 | return 0; |
2fbe4526 BA |
1999 | } |
2000 | } | |
2001 | ||
2002 | out: | |
2003 | e_dbg("Failed to write receive address at index %d\n", index); | |
b3e5bf1f | 2004 | return -E1000_ERR_CONFIG; |
2fbe4526 BA |
2005 | } |
2006 | ||
bc7f75fa AK |
2007 | /** |
2008 | * e1000_check_reset_block_ich8lan - Check if PHY reset is blocked | |
2009 | * @hw: pointer to the HW structure | |
2010 | * | |
2011 | * Checks if firmware is blocking the reset of the PHY. | |
2012 | * This is a function pointer entry point only called by | |
2013 | * reset routines. | |
2014 | **/ | |
2015 | static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw) | |
2016 | { | |
f7235ef6 DE |
2017 | bool blocked = false; |
2018 | int i = 0; | |
bc7f75fa | 2019 | |
f7235ef6 | 2020 | while ((blocked = !(er32(FWSM) & E1000_ICH_FWSM_RSPCIPHY)) && |
d17c7868 | 2021 | (i++ < 30)) |
f7235ef6 DE |
2022 | usleep_range(10000, 20000); |
2023 | return blocked ? E1000_BLK_PHY_RESET : 0; | |
bc7f75fa AK |
2024 | } |
2025 | ||
8395ae83 BA |
2026 | /** |
2027 | * e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states | |
2028 | * @hw: pointer to the HW structure | |
2029 | * | |
2030 | * Assumes semaphore already acquired. | |
2031 | * | |
2032 | **/ | |
2033 | static s32 e1000_write_smbus_addr(struct e1000_hw *hw) | |
2034 | { | |
2035 | u16 phy_data; | |
2036 | u32 strap = er32(STRAP); | |
2fbe4526 BA |
2037 | u32 freq = (strap & E1000_STRAP_SMT_FREQ_MASK) >> |
2038 | E1000_STRAP_SMT_FREQ_SHIFT; | |
70806a7f | 2039 | s32 ret_val; |
8395ae83 BA |
2040 | |
2041 | strap &= E1000_STRAP_SMBUS_ADDRESS_MASK; | |
2042 | ||
2043 | ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data); | |
2044 | if (ret_val) | |
5015e53a | 2045 | return ret_val; |
8395ae83 BA |
2046 | |
2047 | phy_data &= ~HV_SMB_ADDR_MASK; | |
2048 | phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT); | |
2049 | phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; | |
8395ae83 | 2050 | |
2fbe4526 BA |
2051 | if (hw->phy.type == e1000_phy_i217) { |
2052 | /* Restore SMBus frequency */ | |
2053 | if (freq--) { | |
2054 | phy_data &= ~HV_SMB_ADDR_FREQ_MASK; | |
18dd2392 | 2055 | phy_data |= (freq & BIT(0)) << |
2fbe4526 | 2056 | HV_SMB_ADDR_FREQ_LOW_SHIFT; |
18dd2392 | 2057 | phy_data |= (freq & BIT(1)) << |
2fbe4526 BA |
2058 | (HV_SMB_ADDR_FREQ_HIGH_SHIFT - 1); |
2059 | } else { | |
2060 | e_dbg("Unsupported SMB frequency in PHY\n"); | |
2061 | } | |
2062 | } | |
2063 | ||
5015e53a | 2064 | return e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data); |
8395ae83 BA |
2065 | } |
2066 | ||
f523d211 BA |
2067 | /** |
2068 | * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration | |
2069 | * @hw: pointer to the HW structure | |
2070 | * | |
2071 | * SW should configure the LCD from the NVM extended configuration region | |
2072 | * as a workaround for certain parts. | |
2073 | **/ | |
2074 | static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) | |
2075 | { | |
2076 | struct e1000_phy_info *phy = &hw->phy; | |
2077 | u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; | |
8b802a7e | 2078 | s32 ret_val = 0; |
f523d211 BA |
2079 | u16 word_addr, reg_data, reg_addr, phy_page = 0; |
2080 | ||
e921eb1a | 2081 | /* Initialize the PHY from the NVM on ICH platforms. This |
f523d211 BA |
2082 | * is needed due to an issue where the NVM configuration is |
2083 | * not properly autoloaded after power transitions. | |
2084 | * Therefore, after each PHY reset, we will load the | |
2085 | * configuration data out of the NVM manually. | |
2086 | */ | |
3f0c16e8 BA |
2087 | switch (hw->mac.type) { |
2088 | case e1000_ich8lan: | |
2089 | if (phy->type != e1000_phy_igp_3) | |
2090 | return ret_val; | |
2091 | ||
5f3eed6f BA |
2092 | if ((hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) || |
2093 | (hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_C)) { | |
3f0c16e8 BA |
2094 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; |
2095 | break; | |
2096 | } | |
2097 | /* Fall-thru */ | |
2098 | case e1000_pchlan: | |
d3738bb8 | 2099 | case e1000_pch2lan: |
2fbe4526 | 2100 | case e1000_pch_lpt: |
79849ebc | 2101 | case e1000_pch_spt: |
c8744f44 | 2102 | case e1000_pch_cnp: |
8b802a7e | 2103 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; |
3f0c16e8 BA |
2104 | break; |
2105 | default: | |
2106 | return ret_val; | |
2107 | } | |
2108 | ||
2109 | ret_val = hw->phy.ops.acquire(hw); | |
2110 | if (ret_val) | |
2111 | return ret_val; | |
8b802a7e BA |
2112 | |
2113 | data = er32(FEXTNVM); | |
2114 | if (!(data & sw_cfg_mask)) | |
75ce1532 | 2115 | goto release; |
f523d211 | 2116 | |
e921eb1a | 2117 | /* Make sure HW does not configure LCD from PHY |
8b802a7e BA |
2118 | * extended configuration before SW configuration |
2119 | */ | |
2120 | data = er32(EXTCNF_CTRL); | |
2fbe4526 BA |
2121 | if ((hw->mac.type < e1000_pch2lan) && |
2122 | (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)) | |
2123 | goto release; | |
8b802a7e BA |
2124 | |
2125 | cnf_size = er32(EXTCNF_SIZE); | |
2126 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | |
2127 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | |
2128 | if (!cnf_size) | |
75ce1532 | 2129 | goto release; |
8b802a7e BA |
2130 | |
2131 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | |
2132 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | |
2133 | ||
2fbe4526 BA |
2134 | if (((hw->mac.type == e1000_pchlan) && |
2135 | !(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)) || | |
2136 | (hw->mac.type > e1000_pchlan)) { | |
e921eb1a | 2137 | /* HW configures the SMBus address and LEDs when the |
8b802a7e BA |
2138 | * OEM and LCD Write Enable bits are set in the NVM. |
2139 | * When both NVM bits are cleared, SW will configure | |
2140 | * them instead. | |
f523d211 | 2141 | */ |
8395ae83 | 2142 | ret_val = e1000_write_smbus_addr(hw); |
8b802a7e | 2143 | if (ret_val) |
75ce1532 | 2144 | goto release; |
f523d211 | 2145 | |
8b802a7e BA |
2146 | data = er32(LEDCTL); |
2147 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG, | |
2148 | (u16)data); | |
2149 | if (ret_val) | |
75ce1532 | 2150 | goto release; |
8b802a7e | 2151 | } |
f523d211 | 2152 | |
8b802a7e BA |
2153 | /* Configure LCD from extended configuration region. */ |
2154 | ||
2155 | /* cnf_base_addr is in DWORD */ | |
2156 | word_addr = (u16)(cnf_base_addr << 1); | |
2157 | ||
2158 | for (i = 0; i < cnf_size; i++) { | |
e5fe2541 | 2159 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, ®_data); |
8b802a7e | 2160 | if (ret_val) |
75ce1532 | 2161 | goto release; |
8b802a7e BA |
2162 | |
2163 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), | |
2164 | 1, ®_addr); | |
2165 | if (ret_val) | |
75ce1532 | 2166 | goto release; |
8b802a7e BA |
2167 | |
2168 | /* Save off the PHY page for future writes. */ | |
2169 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | |
2170 | phy_page = reg_data; | |
2171 | continue; | |
f523d211 | 2172 | } |
8b802a7e BA |
2173 | |
2174 | reg_addr &= PHY_REG_MASK; | |
2175 | reg_addr |= phy_page; | |
2176 | ||
f1430d69 | 2177 | ret_val = e1e_wphy_locked(hw, (u32)reg_addr, reg_data); |
8b802a7e | 2178 | if (ret_val) |
75ce1532 | 2179 | goto release; |
f523d211 BA |
2180 | } |
2181 | ||
75ce1532 | 2182 | release: |
94d8186a | 2183 | hw->phy.ops.release(hw); |
f523d211 BA |
2184 | return ret_val; |
2185 | } | |
2186 | ||
1d5846b9 BA |
2187 | /** |
2188 | * e1000_k1_gig_workaround_hv - K1 Si workaround | |
2189 | * @hw: pointer to the HW structure | |
2190 | * @link: link up bool flag | |
2191 | * | |
2192 | * If K1 is enabled for 1Gbps, the MAC might stall when transitioning | |
2193 | * from a lower speed. This workaround disables K1 whenever link is at 1Gig | |
2194 | * If link is down, the function will restore the default K1 setting located | |
2195 | * in the NVM. | |
2196 | **/ | |
2197 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) | |
2198 | { | |
2199 | s32 ret_val = 0; | |
2200 | u16 status_reg = 0; | |
2201 | bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; | |
2202 | ||
2203 | if (hw->mac.type != e1000_pchlan) | |
5015e53a | 2204 | return 0; |
1d5846b9 BA |
2205 | |
2206 | /* Wrap the whole flow with the sw flag */ | |
94d8186a | 2207 | ret_val = hw->phy.ops.acquire(hw); |
1d5846b9 | 2208 | if (ret_val) |
5015e53a | 2209 | return ret_val; |
1d5846b9 BA |
2210 | |
2211 | /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ | |
2212 | if (link) { | |
2213 | if (hw->phy.type == e1000_phy_82578) { | |
f1430d69 BA |
2214 | ret_val = e1e_rphy_locked(hw, BM_CS_STATUS, |
2215 | &status_reg); | |
1d5846b9 BA |
2216 | if (ret_val) |
2217 | goto release; | |
2218 | ||
f0ff4398 BA |
2219 | status_reg &= (BM_CS_STATUS_LINK_UP | |
2220 | BM_CS_STATUS_RESOLVED | | |
2221 | BM_CS_STATUS_SPEED_MASK); | |
1d5846b9 BA |
2222 | |
2223 | if (status_reg == (BM_CS_STATUS_LINK_UP | | |
f0ff4398 BA |
2224 | BM_CS_STATUS_RESOLVED | |
2225 | BM_CS_STATUS_SPEED_1000)) | |
1d5846b9 BA |
2226 | k1_enable = false; |
2227 | } | |
2228 | ||
2229 | if (hw->phy.type == e1000_phy_82577) { | |
f1430d69 | 2230 | ret_val = e1e_rphy_locked(hw, HV_M_STATUS, &status_reg); |
1d5846b9 BA |
2231 | if (ret_val) |
2232 | goto release; | |
2233 | ||
f0ff4398 BA |
2234 | status_reg &= (HV_M_STATUS_LINK_UP | |
2235 | HV_M_STATUS_AUTONEG_COMPLETE | | |
2236 | HV_M_STATUS_SPEED_MASK); | |
1d5846b9 BA |
2237 | |
2238 | if (status_reg == (HV_M_STATUS_LINK_UP | | |
f0ff4398 BA |
2239 | HV_M_STATUS_AUTONEG_COMPLETE | |
2240 | HV_M_STATUS_SPEED_1000)) | |
1d5846b9 BA |
2241 | k1_enable = false; |
2242 | } | |
2243 | ||
2244 | /* Link stall fix for link up */ | |
f1430d69 | 2245 | ret_val = e1e_wphy_locked(hw, PHY_REG(770, 19), 0x0100); |
1d5846b9 BA |
2246 | if (ret_val) |
2247 | goto release; | |
2248 | ||
2249 | } else { | |
2250 | /* Link stall fix for link down */ | |
f1430d69 | 2251 | ret_val = e1e_wphy_locked(hw, PHY_REG(770, 19), 0x4100); |
1d5846b9 BA |
2252 | if (ret_val) |
2253 | goto release; | |
2254 | } | |
2255 | ||
2256 | ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); | |
2257 | ||
2258 | release: | |
94d8186a | 2259 | hw->phy.ops.release(hw); |
5015e53a | 2260 | |
1d5846b9 BA |
2261 | return ret_val; |
2262 | } | |
2263 | ||
2264 | /** | |
2265 | * e1000_configure_k1_ich8lan - Configure K1 power state | |
2266 | * @hw: pointer to the HW structure | |
2267 | * @enable: K1 state to configure | |
2268 | * | |
2269 | * Configure the K1 power state based on the provided parameter. | |
2270 | * Assumes semaphore already acquired. | |
2271 | * | |
2272 | * Success returns 0, Failure returns -E1000_ERR_PHY (-2) | |
2273 | **/ | |
bb436b20 | 2274 | s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) |
1d5846b9 | 2275 | { |
70806a7f | 2276 | s32 ret_val; |
1d5846b9 BA |
2277 | u32 ctrl_reg = 0; |
2278 | u32 ctrl_ext = 0; | |
2279 | u32 reg = 0; | |
2280 | u16 kmrn_reg = 0; | |
2281 | ||
3d3a1676 BA |
2282 | ret_val = e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG, |
2283 | &kmrn_reg); | |
1d5846b9 | 2284 | if (ret_val) |
5015e53a | 2285 | return ret_val; |
1d5846b9 BA |
2286 | |
2287 | if (k1_enable) | |
2288 | kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; | |
2289 | else | |
2290 | kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; | |
2291 | ||
3d3a1676 BA |
2292 | ret_val = e1000e_write_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG, |
2293 | kmrn_reg); | |
1d5846b9 | 2294 | if (ret_val) |
5015e53a | 2295 | return ret_val; |
1d5846b9 | 2296 | |
ce43a216 | 2297 | usleep_range(20, 40); |
1d5846b9 BA |
2298 | ctrl_ext = er32(CTRL_EXT); |
2299 | ctrl_reg = er32(CTRL); | |
2300 | ||
2301 | reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | |
2302 | reg |= E1000_CTRL_FRCSPD; | |
2303 | ew32(CTRL, reg); | |
2304 | ||
2305 | ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); | |
945a5151 | 2306 | e1e_flush(); |
ce43a216 | 2307 | usleep_range(20, 40); |
1d5846b9 BA |
2308 | ew32(CTRL, ctrl_reg); |
2309 | ew32(CTRL_EXT, ctrl_ext); | |
945a5151 | 2310 | e1e_flush(); |
ce43a216 | 2311 | usleep_range(20, 40); |
1d5846b9 | 2312 | |
5015e53a | 2313 | return 0; |
1d5846b9 BA |
2314 | } |
2315 | ||
f523d211 BA |
2316 | /** |
2317 | * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration | |
2318 | * @hw: pointer to the HW structure | |
2319 | * @d0_state: boolean if entering d0 or d3 device state | |
2320 | * | |
2321 | * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are | |
2322 | * collectively called OEM bits. The OEM Write Enable bit and SW Config bit | |
2323 | * in NVM determines whether HW should configure LPLU and Gbe Disable. | |
2324 | **/ | |
2325 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) | |
2326 | { | |
2327 | s32 ret_val = 0; | |
2328 | u32 mac_reg; | |
2329 | u16 oem_reg; | |
2330 | ||
2fbe4526 | 2331 | if (hw->mac.type < e1000_pchlan) |
f523d211 BA |
2332 | return ret_val; |
2333 | ||
94d8186a | 2334 | ret_val = hw->phy.ops.acquire(hw); |
f523d211 BA |
2335 | if (ret_val) |
2336 | return ret_val; | |
2337 | ||
2fbe4526 | 2338 | if (hw->mac.type == e1000_pchlan) { |
d3738bb8 BA |
2339 | mac_reg = er32(EXTCNF_CTRL); |
2340 | if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) | |
75ce1532 | 2341 | goto release; |
d3738bb8 | 2342 | } |
f523d211 BA |
2343 | |
2344 | mac_reg = er32(FEXTNVM); | |
2345 | if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) | |
75ce1532 | 2346 | goto release; |
f523d211 BA |
2347 | |
2348 | mac_reg = er32(PHY_CTRL); | |
2349 | ||
f1430d69 | 2350 | ret_val = e1e_rphy_locked(hw, HV_OEM_BITS, &oem_reg); |
f523d211 | 2351 | if (ret_val) |
75ce1532 | 2352 | goto release; |
f523d211 BA |
2353 | |
2354 | oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); | |
2355 | ||
2356 | if (d0_state) { | |
2357 | if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) | |
2358 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
2359 | ||
2360 | if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) | |
2361 | oem_reg |= HV_OEM_BITS_LPLU; | |
2362 | } else { | |
03299e46 BA |
2363 | if (mac_reg & (E1000_PHY_CTRL_GBE_DISABLE | |
2364 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE)) | |
f523d211 BA |
2365 | oem_reg |= HV_OEM_BITS_GBE_DIS; |
2366 | ||
03299e46 BA |
2367 | if (mac_reg & (E1000_PHY_CTRL_D0A_LPLU | |
2368 | E1000_PHY_CTRL_NOND0A_LPLU)) | |
f523d211 BA |
2369 | oem_reg |= HV_OEM_BITS_LPLU; |
2370 | } | |
03299e46 | 2371 | |
92fe1733 BA |
2372 | /* Set Restart auto-neg to activate the bits */ |
2373 | if ((d0_state || (hw->mac.type != e1000_pchlan)) && | |
2374 | !hw->phy.ops.check_reset_block(hw)) | |
2375 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
2376 | ||
f1430d69 | 2377 | ret_val = e1e_wphy_locked(hw, HV_OEM_BITS, oem_reg); |
f523d211 | 2378 | |
75ce1532 | 2379 | release: |
94d8186a | 2380 | hw->phy.ops.release(hw); |
f523d211 BA |
2381 | |
2382 | return ret_val; | |
2383 | } | |
2384 | ||
fddaa1af BA |
2385 | /** |
2386 | * e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode | |
2387 | * @hw: pointer to the HW structure | |
2388 | **/ | |
2389 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw) | |
2390 | { | |
2391 | s32 ret_val; | |
2392 | u16 data; | |
2393 | ||
2394 | ret_val = e1e_rphy(hw, HV_KMRN_MODE_CTRL, &data); | |
2395 | if (ret_val) | |
2396 | return ret_val; | |
2397 | ||
2398 | data |= HV_KMRN_MDIO_SLOW; | |
2399 | ||
2400 | ret_val = e1e_wphy(hw, HV_KMRN_MODE_CTRL, data); | |
2401 | ||
2402 | return ret_val; | |
2403 | } | |
2404 | ||
a4f58f54 BA |
2405 | /** |
2406 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
2407 | * done after every PHY reset. | |
2408 | **/ | |
2409 | static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
2410 | { | |
2411 | s32 ret_val = 0; | |
baf86c9d | 2412 | u16 phy_data; |
a4f58f54 BA |
2413 | |
2414 | if (hw->mac.type != e1000_pchlan) | |
5015e53a | 2415 | return 0; |
a4f58f54 | 2416 | |
fddaa1af BA |
2417 | /* Set MDIO slow mode before any other MDIO access */ |
2418 | if (hw->phy.type == e1000_phy_82577) { | |
2419 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
2420 | if (ret_val) | |
5015e53a | 2421 | return ret_val; |
fddaa1af BA |
2422 | } |
2423 | ||
a4f58f54 BA |
2424 | if (((hw->phy.type == e1000_phy_82577) && |
2425 | ((hw->phy.revision == 1) || (hw->phy.revision == 2))) || | |
2426 | ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) { | |
2427 | /* Disable generation of early preamble */ | |
2428 | ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431); | |
2429 | if (ret_val) | |
2430 | return ret_val; | |
2431 | ||
2432 | /* Preamble tuning for SSC */ | |
1d2101a7 | 2433 | ret_val = e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, 0xA204); |
a4f58f54 BA |
2434 | if (ret_val) |
2435 | return ret_val; | |
2436 | } | |
2437 | ||
2438 | if (hw->phy.type == e1000_phy_82578) { | |
e921eb1a | 2439 | /* Return registers to default by doing a soft reset then |
a4f58f54 BA |
2440 | * writing 0x3140 to the control register. |
2441 | */ | |
2442 | if (hw->phy.revision < 2) { | |
2443 | e1000e_phy_sw_reset(hw); | |
c2ade1a4 | 2444 | ret_val = e1e_wphy(hw, MII_BMCR, 0x3140); |
d75372a2 GS |
2445 | if (ret_val) |
2446 | return ret_val; | |
a4f58f54 BA |
2447 | } |
2448 | } | |
2449 | ||
2450 | /* Select page 0 */ | |
94d8186a | 2451 | ret_val = hw->phy.ops.acquire(hw); |
a4f58f54 BA |
2452 | if (ret_val) |
2453 | return ret_val; | |
1d5846b9 | 2454 | |
a4f58f54 | 2455 | hw->phy.addr = 1; |
1d5846b9 | 2456 | ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); |
baf86c9d | 2457 | hw->phy.ops.release(hw); |
1d5846b9 | 2458 | if (ret_val) |
5015e53a | 2459 | return ret_val; |
a4f58f54 | 2460 | |
e921eb1a | 2461 | /* Configure the K1 Si workaround during phy reset assuming there is |
1d5846b9 BA |
2462 | * link so that it disables K1 if link is in 1Gbps. |
2463 | */ | |
2464 | ret_val = e1000_k1_gig_workaround_hv(hw, true); | |
baf86c9d | 2465 | if (ret_val) |
5015e53a | 2466 | return ret_val; |
1d5846b9 | 2467 | |
baf86c9d BA |
2468 | /* Workaround for link disconnects on a busy hub in half duplex */ |
2469 | ret_val = hw->phy.ops.acquire(hw); | |
2470 | if (ret_val) | |
5015e53a | 2471 | return ret_val; |
f1430d69 | 2472 | ret_val = e1e_rphy_locked(hw, BM_PORT_GEN_CFG, &phy_data); |
baf86c9d BA |
2473 | if (ret_val) |
2474 | goto release; | |
f1430d69 | 2475 | ret_val = e1e_wphy_locked(hw, BM_PORT_GEN_CFG, phy_data & 0x00FF); |
651fb102 BA |
2476 | if (ret_val) |
2477 | goto release; | |
2478 | ||
2479 | /* set MSE higher to enable link to stay up when noise is high */ | |
2480 | ret_val = e1000_write_emi_reg_locked(hw, I82577_MSE_THRESHOLD, 0x0034); | |
baf86c9d BA |
2481 | release: |
2482 | hw->phy.ops.release(hw); | |
5015e53a | 2483 | |
a4f58f54 BA |
2484 | return ret_val; |
2485 | } | |
2486 | ||
d3738bb8 BA |
2487 | /** |
2488 | * e1000_copy_rx_addrs_to_phy_ich8lan - Copy Rx addresses from MAC to PHY | |
2489 | * @hw: pointer to the HW structure | |
2490 | **/ | |
2491 | void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw) | |
2492 | { | |
2493 | u32 mac_reg; | |
2b6b168d BA |
2494 | u16 i, phy_reg = 0; |
2495 | s32 ret_val; | |
2496 | ||
2497 | ret_val = hw->phy.ops.acquire(hw); | |
2498 | if (ret_val) | |
2499 | return; | |
2500 | ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg); | |
2501 | if (ret_val) | |
2502 | goto release; | |
d3738bb8 | 2503 | |
c3a0dce3 DE |
2504 | /* Copy both RAL/H (rar_entry_count) and SHRAL/H to PHY */ |
2505 | for (i = 0; i < (hw->mac.rar_entry_count); i++) { | |
d3738bb8 | 2506 | mac_reg = er32(RAL(i)); |
2b6b168d BA |
2507 | hw->phy.ops.write_reg_page(hw, BM_RAR_L(i), |
2508 | (u16)(mac_reg & 0xFFFF)); | |
2509 | hw->phy.ops.write_reg_page(hw, BM_RAR_M(i), | |
2510 | (u16)((mac_reg >> 16) & 0xFFFF)); | |
2511 | ||
d3738bb8 | 2512 | mac_reg = er32(RAH(i)); |
2b6b168d BA |
2513 | hw->phy.ops.write_reg_page(hw, BM_RAR_H(i), |
2514 | (u16)(mac_reg & 0xFFFF)); | |
2515 | hw->phy.ops.write_reg_page(hw, BM_RAR_CTRL(i), | |
2516 | (u16)((mac_reg & E1000_RAH_AV) | |
2517 | >> 16)); | |
d3738bb8 | 2518 | } |
2b6b168d BA |
2519 | |
2520 | e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg); | |
2521 | ||
2522 | release: | |
2523 | hw->phy.ops.release(hw); | |
d3738bb8 BA |
2524 | } |
2525 | ||
d3738bb8 BA |
2526 | /** |
2527 | * e1000_lv_jumbo_workaround_ich8lan - required for jumbo frame operation | |
2528 | * with 82579 PHY | |
2529 | * @hw: pointer to the HW structure | |
2530 | * @enable: flag to enable/disable workaround when enabling/disabling jumbos | |
2531 | **/ | |
2532 | s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) | |
2533 | { | |
2534 | s32 ret_val = 0; | |
2535 | u16 phy_reg, data; | |
2536 | u32 mac_reg; | |
2537 | u16 i; | |
2538 | ||
2fbe4526 | 2539 | if (hw->mac.type < e1000_pch2lan) |
5015e53a | 2540 | return 0; |
d3738bb8 BA |
2541 | |
2542 | /* disable Rx path while enabling/disabling workaround */ | |
2543 | e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); | |
18dd2392 | 2544 | ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | BIT(14)); |
d3738bb8 | 2545 | if (ret_val) |
5015e53a | 2546 | return ret_val; |
d3738bb8 BA |
2547 | |
2548 | if (enable) { | |
c3a0dce3 | 2549 | /* Write Rx addresses (rar_entry_count for RAL/H, and |
d3738bb8 BA |
2550 | * SHRAL/H) and initial CRC values to the MAC |
2551 | */ | |
c3a0dce3 | 2552 | for (i = 0; i < hw->mac.rar_entry_count; i++) { |
362e20ca | 2553 | u8 mac_addr[ETH_ALEN] = { 0 }; |
d3738bb8 BA |
2554 | u32 addr_high, addr_low; |
2555 | ||
2556 | addr_high = er32(RAH(i)); | |
2557 | if (!(addr_high & E1000_RAH_AV)) | |
2558 | continue; | |
2559 | addr_low = er32(RAL(i)); | |
2560 | mac_addr[0] = (addr_low & 0xFF); | |
2561 | mac_addr[1] = ((addr_low >> 8) & 0xFF); | |
2562 | mac_addr[2] = ((addr_low >> 16) & 0xFF); | |
2563 | mac_addr[3] = ((addr_low >> 24) & 0xFF); | |
2564 | mac_addr[4] = (addr_high & 0xFF); | |
2565 | mac_addr[5] = ((addr_high >> 8) & 0xFF); | |
2566 | ||
fe46f58f | 2567 | ew32(PCH_RAICC(i), ~ether_crc_le(ETH_ALEN, mac_addr)); |
d3738bb8 BA |
2568 | } |
2569 | ||
2570 | /* Write Rx addresses to the PHY */ | |
2571 | e1000_copy_rx_addrs_to_phy_ich8lan(hw); | |
2572 | ||
2573 | /* Enable jumbo frame workaround in the MAC */ | |
2574 | mac_reg = er32(FFLT_DBG); | |
18dd2392 | 2575 | mac_reg &= ~BIT(14); |
d3738bb8 BA |
2576 | mac_reg |= (7 << 15); |
2577 | ew32(FFLT_DBG, mac_reg); | |
2578 | ||
2579 | mac_reg = er32(RCTL); | |
2580 | mac_reg |= E1000_RCTL_SECRC; | |
2581 | ew32(RCTL, mac_reg); | |
2582 | ||
2583 | ret_val = e1000e_read_kmrn_reg(hw, | |
17e813ec BA |
2584 | E1000_KMRNCTRLSTA_CTRL_OFFSET, |
2585 | &data); | |
d3738bb8 | 2586 | if (ret_val) |
5015e53a | 2587 | return ret_val; |
d3738bb8 BA |
2588 | ret_val = e1000e_write_kmrn_reg(hw, |
2589 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
18dd2392 | 2590 | data | BIT(0)); |
d3738bb8 | 2591 | if (ret_val) |
5015e53a | 2592 | return ret_val; |
d3738bb8 | 2593 | ret_val = e1000e_read_kmrn_reg(hw, |
17e813ec BA |
2594 | E1000_KMRNCTRLSTA_HD_CTRL, |
2595 | &data); | |
d3738bb8 | 2596 | if (ret_val) |
5015e53a | 2597 | return ret_val; |
d3738bb8 BA |
2598 | data &= ~(0xF << 8); |
2599 | data |= (0xB << 8); | |
2600 | ret_val = e1000e_write_kmrn_reg(hw, | |
2601 | E1000_KMRNCTRLSTA_HD_CTRL, | |
2602 | data); | |
2603 | if (ret_val) | |
5015e53a | 2604 | return ret_val; |
d3738bb8 BA |
2605 | |
2606 | /* Enable jumbo frame workaround in the PHY */ | |
d3738bb8 BA |
2607 | e1e_rphy(hw, PHY_REG(769, 23), &data); |
2608 | data &= ~(0x7F << 5); | |
2609 | data |= (0x37 << 5); | |
2610 | ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); | |
2611 | if (ret_val) | |
5015e53a | 2612 | return ret_val; |
d3738bb8 | 2613 | e1e_rphy(hw, PHY_REG(769, 16), &data); |
18dd2392 | 2614 | data &= ~BIT(13); |
d3738bb8 BA |
2615 | ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); |
2616 | if (ret_val) | |
5015e53a | 2617 | return ret_val; |
d3738bb8 BA |
2618 | e1e_rphy(hw, PHY_REG(776, 20), &data); |
2619 | data &= ~(0x3FF << 2); | |
493004d0 | 2620 | data |= (E1000_TX_PTR_GAP << 2); |
d3738bb8 BA |
2621 | ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); |
2622 | if (ret_val) | |
5015e53a | 2623 | return ret_val; |
b64e9dd5 | 2624 | ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100); |
d3738bb8 | 2625 | if (ret_val) |
5015e53a | 2626 | return ret_val; |
d3738bb8 | 2627 | e1e_rphy(hw, HV_PM_CTRL, &data); |
18dd2392 | 2628 | ret_val = e1e_wphy(hw, HV_PM_CTRL, data | BIT(10)); |
d3738bb8 | 2629 | if (ret_val) |
5015e53a | 2630 | return ret_val; |
d3738bb8 BA |
2631 | } else { |
2632 | /* Write MAC register values back to h/w defaults */ | |
2633 | mac_reg = er32(FFLT_DBG); | |
2634 | mac_reg &= ~(0xF << 14); | |
2635 | ew32(FFLT_DBG, mac_reg); | |
2636 | ||
2637 | mac_reg = er32(RCTL); | |
2638 | mac_reg &= ~E1000_RCTL_SECRC; | |
a1ce6473 | 2639 | ew32(RCTL, mac_reg); |
d3738bb8 BA |
2640 | |
2641 | ret_val = e1000e_read_kmrn_reg(hw, | |
17e813ec BA |
2642 | E1000_KMRNCTRLSTA_CTRL_OFFSET, |
2643 | &data); | |
d3738bb8 | 2644 | if (ret_val) |
5015e53a | 2645 | return ret_val; |
d3738bb8 BA |
2646 | ret_val = e1000e_write_kmrn_reg(hw, |
2647 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
18dd2392 | 2648 | data & ~BIT(0)); |
d3738bb8 | 2649 | if (ret_val) |
5015e53a | 2650 | return ret_val; |
d3738bb8 | 2651 | ret_val = e1000e_read_kmrn_reg(hw, |
17e813ec BA |
2652 | E1000_KMRNCTRLSTA_HD_CTRL, |
2653 | &data); | |
d3738bb8 | 2654 | if (ret_val) |
5015e53a | 2655 | return ret_val; |
d3738bb8 BA |
2656 | data &= ~(0xF << 8); |
2657 | data |= (0xB << 8); | |
2658 | ret_val = e1000e_write_kmrn_reg(hw, | |
2659 | E1000_KMRNCTRLSTA_HD_CTRL, | |
2660 | data); | |
2661 | if (ret_val) | |
5015e53a | 2662 | return ret_val; |
d3738bb8 BA |
2663 | |
2664 | /* Write PHY register values back to h/w defaults */ | |
d3738bb8 BA |
2665 | e1e_rphy(hw, PHY_REG(769, 23), &data); |
2666 | data &= ~(0x7F << 5); | |
2667 | ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); | |
2668 | if (ret_val) | |
5015e53a | 2669 | return ret_val; |
d3738bb8 | 2670 | e1e_rphy(hw, PHY_REG(769, 16), &data); |
18dd2392 | 2671 | data |= BIT(13); |
d3738bb8 BA |
2672 | ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); |
2673 | if (ret_val) | |
5015e53a | 2674 | return ret_val; |
d3738bb8 BA |
2675 | e1e_rphy(hw, PHY_REG(776, 20), &data); |
2676 | data &= ~(0x3FF << 2); | |
2677 | data |= (0x8 << 2); | |
2678 | ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); | |
2679 | if (ret_val) | |
5015e53a | 2680 | return ret_val; |
d3738bb8 BA |
2681 | ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00); |
2682 | if (ret_val) | |
5015e53a | 2683 | return ret_val; |
d3738bb8 | 2684 | e1e_rphy(hw, HV_PM_CTRL, &data); |
18dd2392 | 2685 | ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~BIT(10)); |
d3738bb8 | 2686 | if (ret_val) |
5015e53a | 2687 | return ret_val; |
d3738bb8 BA |
2688 | } |
2689 | ||
2690 | /* re-enable Rx path after enabling/disabling workaround */ | |
18dd2392 | 2691 | return e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~BIT(14)); |
d3738bb8 BA |
2692 | } |
2693 | ||
2694 | /** | |
2695 | * e1000_lv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
2696 | * done after every PHY reset. | |
2697 | **/ | |
2698 | static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
2699 | { | |
2700 | s32 ret_val = 0; | |
2701 | ||
2702 | if (hw->mac.type != e1000_pch2lan) | |
5015e53a | 2703 | return 0; |
d3738bb8 BA |
2704 | |
2705 | /* Set MDIO slow mode before any other MDIO access */ | |
2706 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
8e5ab42d BA |
2707 | if (ret_val) |
2708 | return ret_val; | |
d3738bb8 | 2709 | |
4d24136c BA |
2710 | ret_val = hw->phy.ops.acquire(hw); |
2711 | if (ret_val) | |
5015e53a | 2712 | return ret_val; |
4d24136c | 2713 | /* set MSE higher to enable link to stay up when noise is high */ |
4ddc48a9 | 2714 | ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_THRESHOLD, 0x0034); |
4d24136c BA |
2715 | if (ret_val) |
2716 | goto release; | |
2717 | /* drop link after 5 times MSE threshold was reached */ | |
4ddc48a9 | 2718 | ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_LINK_DOWN, 0x0005); |
4d24136c BA |
2719 | release: |
2720 | hw->phy.ops.release(hw); | |
2721 | ||
d3738bb8 BA |
2722 | return ret_val; |
2723 | } | |
2724 | ||
831bd2e6 BA |
2725 | /** |
2726 | * e1000_k1_gig_workaround_lv - K1 Si workaround | |
2727 | * @hw: pointer to the HW structure | |
2728 | * | |
77e61146 DE |
2729 | * Workaround to set the K1 beacon duration for 82579 parts in 10Mbps |
2730 | * Disable K1 in 1000Mbps and 100Mbps | |
831bd2e6 BA |
2731 | **/ |
2732 | static s32 e1000_k1_workaround_lv(struct e1000_hw *hw) | |
2733 | { | |
2734 | s32 ret_val = 0; | |
2735 | u16 status_reg = 0; | |
831bd2e6 BA |
2736 | |
2737 | if (hw->mac.type != e1000_pch2lan) | |
5015e53a | 2738 | return 0; |
831bd2e6 | 2739 | |
77e61146 | 2740 | /* Set K1 beacon duration based on 10Mbs speed */ |
831bd2e6 BA |
2741 | ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg); |
2742 | if (ret_val) | |
5015e53a | 2743 | return ret_val; |
831bd2e6 BA |
2744 | |
2745 | if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) | |
2746 | == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) { | |
77e61146 DE |
2747 | if (status_reg & |
2748 | (HV_M_STATUS_SPEED_1000 | HV_M_STATUS_SPEED_100)) { | |
36ceeb43 BA |
2749 | u16 pm_phy_reg; |
2750 | ||
77e61146 | 2751 | /* LV 1G/100 Packet drop issue wa */ |
36ceeb43 BA |
2752 | ret_val = e1e_rphy(hw, HV_PM_CTRL, &pm_phy_reg); |
2753 | if (ret_val) | |
2754 | return ret_val; | |
77e61146 | 2755 | pm_phy_reg &= ~HV_PM_CTRL_K1_ENABLE; |
36ceeb43 BA |
2756 | ret_val = e1e_wphy(hw, HV_PM_CTRL, pm_phy_reg); |
2757 | if (ret_val) | |
2758 | return ret_val; | |
0ed013e2 | 2759 | } else { |
77e61146 DE |
2760 | u32 mac_reg; |
2761 | ||
2762 | mac_reg = er32(FEXTNVM4); | |
2763 | mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK; | |
831bd2e6 | 2764 | mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC; |
77e61146 | 2765 | ew32(FEXTNVM4, mac_reg); |
0ed013e2 | 2766 | } |
831bd2e6 BA |
2767 | } |
2768 | ||
831bd2e6 BA |
2769 | return ret_val; |
2770 | } | |
2771 | ||
605c82ba BA |
2772 | /** |
2773 | * e1000_gate_hw_phy_config_ich8lan - disable PHY config via hardware | |
2774 | * @hw: pointer to the HW structure | |
2775 | * @gate: boolean set to true to gate, false to ungate | |
2776 | * | |
2777 | * Gate/ungate the automatic PHY configuration via hardware; perform | |
2778 | * the configuration via software instead. | |
2779 | **/ | |
2780 | static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate) | |
2781 | { | |
2782 | u32 extcnf_ctrl; | |
2783 | ||
2fbe4526 | 2784 | if (hw->mac.type < e1000_pch2lan) |
605c82ba BA |
2785 | return; |
2786 | ||
2787 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
2788 | ||
2789 | if (gate) | |
2790 | extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; | |
2791 | else | |
2792 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_GATE_PHY_CFG; | |
2793 | ||
2794 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
605c82ba BA |
2795 | } |
2796 | ||
fc0c7760 BA |
2797 | /** |
2798 | * e1000_lan_init_done_ich8lan - Check for PHY config completion | |
2799 | * @hw: pointer to the HW structure | |
2800 | * | |
2801 | * Check the appropriate indication the MAC has finished configuring the | |
2802 | * PHY after a software reset. | |
2803 | **/ | |
2804 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) | |
2805 | { | |
2806 | u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT; | |
2807 | ||
2808 | /* Wait for basic configuration completes before proceeding */ | |
2809 | do { | |
2810 | data = er32(STATUS); | |
2811 | data &= E1000_STATUS_LAN_INIT_DONE; | |
ce43a216 | 2812 | usleep_range(100, 200); |
fc0c7760 BA |
2813 | } while ((!data) && --loop); |
2814 | ||
e921eb1a | 2815 | /* If basic configuration is incomplete before the above loop |
fc0c7760 BA |
2816 | * count reaches 0, loading the configuration from NVM will |
2817 | * leave the PHY in a bad state possibly resulting in no link. | |
2818 | */ | |
2819 | if (loop == 0) | |
3bb99fe2 | 2820 | e_dbg("LAN_INIT_DONE not set, increase timeout\n"); |
fc0c7760 BA |
2821 | |
2822 | /* Clear the Init Done bit for the next init event */ | |
2823 | data = er32(STATUS); | |
2824 | data &= ~E1000_STATUS_LAN_INIT_DONE; | |
2825 | ew32(STATUS, data); | |
2826 | } | |
2827 | ||
bc7f75fa | 2828 | /** |
e98cac44 | 2829 | * e1000_post_phy_reset_ich8lan - Perform steps required after a PHY reset |
bc7f75fa | 2830 | * @hw: pointer to the HW structure |
bc7f75fa | 2831 | **/ |
e98cac44 | 2832 | static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) |
bc7f75fa | 2833 | { |
f523d211 BA |
2834 | s32 ret_val = 0; |
2835 | u16 reg; | |
bc7f75fa | 2836 | |
44abd5c1 | 2837 | if (hw->phy.ops.check_reset_block(hw)) |
5015e53a | 2838 | return 0; |
fc0c7760 | 2839 | |
5f3eed6f | 2840 | /* Allow time for h/w to get to quiescent state after reset */ |
1bba4386 | 2841 | usleep_range(10000, 20000); |
5f3eed6f | 2842 | |
fddaa1af | 2843 | /* Perform any necessary post-reset workarounds */ |
e98cac44 BA |
2844 | switch (hw->mac.type) { |
2845 | case e1000_pchlan: | |
a4f58f54 BA |
2846 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); |
2847 | if (ret_val) | |
5015e53a | 2848 | return ret_val; |
e98cac44 | 2849 | break; |
d3738bb8 BA |
2850 | case e1000_pch2lan: |
2851 | ret_val = e1000_lv_phy_workarounds_ich8lan(hw); | |
2852 | if (ret_val) | |
5015e53a | 2853 | return ret_val; |
d3738bb8 | 2854 | break; |
e98cac44 BA |
2855 | default: |
2856 | break; | |
a4f58f54 BA |
2857 | } |
2858 | ||
3ebfc7c9 BA |
2859 | /* Clear the host wakeup bit after lcd reset */ |
2860 | if (hw->mac.type >= e1000_pchlan) { | |
2861 | e1e_rphy(hw, BM_PORT_GEN_CFG, ®); | |
2862 | reg &= ~BM_WUC_HOST_WU_BIT; | |
2863 | e1e_wphy(hw, BM_PORT_GEN_CFG, reg); | |
2864 | } | |
db2932ec | 2865 | |
f523d211 BA |
2866 | /* Configure the LCD with the extended configuration region in NVM */ |
2867 | ret_val = e1000_sw_lcd_config_ich8lan(hw); | |
2868 | if (ret_val) | |
5015e53a | 2869 | return ret_val; |
bc7f75fa | 2870 | |
f523d211 | 2871 | /* Configure the LCD with the OEM bits in NVM */ |
e98cac44 | 2872 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); |
bc7f75fa | 2873 | |
1effb45c BA |
2874 | if (hw->mac.type == e1000_pch2lan) { |
2875 | /* Ungate automatic PHY configuration on non-managed 82579 */ | |
2876 | if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { | |
1bba4386 | 2877 | usleep_range(10000, 20000); |
1effb45c BA |
2878 | e1000_gate_hw_phy_config_ich8lan(hw, false); |
2879 | } | |
2880 | ||
2881 | /* Set EEE LPI Update Timer to 200usec */ | |
2882 | ret_val = hw->phy.ops.acquire(hw); | |
2883 | if (ret_val) | |
5015e53a | 2884 | return ret_val; |
4ddc48a9 BA |
2885 | ret_val = e1000_write_emi_reg_locked(hw, |
2886 | I82579_LPI_UPDATE_TIMER, | |
2887 | 0x1387); | |
1effb45c | 2888 | hw->phy.ops.release(hw); |
605c82ba BA |
2889 | } |
2890 | ||
e98cac44 BA |
2891 | return ret_val; |
2892 | } | |
2893 | ||
2894 | /** | |
2895 | * e1000_phy_hw_reset_ich8lan - Performs a PHY reset | |
2896 | * @hw: pointer to the HW structure | |
2897 | * | |
2898 | * Resets the PHY | |
2899 | * This is a function pointer entry point called by drivers | |
2900 | * or other shared routines. | |
2901 | **/ | |
2902 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | |
2903 | { | |
2904 | s32 ret_val = 0; | |
2905 | ||
605c82ba BA |
2906 | /* Gate automatic PHY configuration by hardware on non-managed 82579 */ |
2907 | if ((hw->mac.type == e1000_pch2lan) && | |
2908 | !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
2909 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
2910 | ||
e98cac44 BA |
2911 | ret_val = e1000e_phy_hw_reset_generic(hw); |
2912 | if (ret_val) | |
5015e53a | 2913 | return ret_val; |
e98cac44 | 2914 | |
5015e53a | 2915 | return e1000_post_phy_reset_ich8lan(hw); |
bc7f75fa AK |
2916 | } |
2917 | ||
fa2ce13c BA |
2918 | /** |
2919 | * e1000_set_lplu_state_pchlan - Set Low Power Link Up state | |
2920 | * @hw: pointer to the HW structure | |
2921 | * @active: true to enable LPLU, false to disable | |
2922 | * | |
2923 | * Sets the LPLU state according to the active flag. For PCH, if OEM write | |
2924 | * bit are disabled in the NVM, writing the LPLU bits in the MAC will not set | |
2925 | * the phy speed. This function will manually set the LPLU bit and restart | |
2926 | * auto-neg as hw would do. D3 and D0 LPLU will call the same function | |
2927 | * since it configures the same bit. | |
2928 | **/ | |
2929 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) | |
2930 | { | |
70806a7f | 2931 | s32 ret_val; |
fa2ce13c BA |
2932 | u16 oem_reg; |
2933 | ||
2934 | ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); | |
2935 | if (ret_val) | |
5015e53a | 2936 | return ret_val; |
fa2ce13c BA |
2937 | |
2938 | if (active) | |
2939 | oem_reg |= HV_OEM_BITS_LPLU; | |
2940 | else | |
2941 | oem_reg &= ~HV_OEM_BITS_LPLU; | |
2942 | ||
44abd5c1 | 2943 | if (!hw->phy.ops.check_reset_block(hw)) |
464c85e3 BA |
2944 | oem_reg |= HV_OEM_BITS_RESTART_AN; |
2945 | ||
5015e53a | 2946 | return e1e_wphy(hw, HV_OEM_BITS, oem_reg); |
fa2ce13c BA |
2947 | } |
2948 | ||
bc7f75fa AK |
2949 | /** |
2950 | * e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state | |
2951 | * @hw: pointer to the HW structure | |
564ea9bb | 2952 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
2953 | * |
2954 | * Sets the LPLU D0 state according to the active flag. When | |
2955 | * activating LPLU this function also disables smart speed | |
2956 | * and vice versa. LPLU will not be activated unless the | |
2957 | * device autonegotiation advertisement meets standards of | |
2958 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
2959 | * This is a function pointer entry point only called by | |
2960 | * PHY setup routines. | |
2961 | **/ | |
2962 | static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
2963 | { | |
2964 | struct e1000_phy_info *phy = &hw->phy; | |
2965 | u32 phy_ctrl; | |
2966 | s32 ret_val = 0; | |
2967 | u16 data; | |
2968 | ||
97ac8cae | 2969 | if (phy->type == e1000_phy_ife) |
82607255 | 2970 | return 0; |
bc7f75fa AK |
2971 | |
2972 | phy_ctrl = er32(PHY_CTRL); | |
2973 | ||
2974 | if (active) { | |
2975 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; | |
2976 | ew32(PHY_CTRL, phy_ctrl); | |
2977 | ||
60f1292f BA |
2978 | if (phy->type != e1000_phy_igp_3) |
2979 | return 0; | |
2980 | ||
e921eb1a | 2981 | /* Call gig speed drop workaround on LPLU before accessing |
ad68076e BA |
2982 | * any PHY registers |
2983 | */ | |
60f1292f | 2984 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
2985 | e1000e_gig_downshift_workaround_ich8lan(hw); |
2986 | ||
2987 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
2988 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); | |
7dbbe5d5 BA |
2989 | if (ret_val) |
2990 | return ret_val; | |
bc7f75fa AK |
2991 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
2992 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); | |
2993 | if (ret_val) | |
2994 | return ret_val; | |
2995 | } else { | |
2996 | phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; | |
2997 | ew32(PHY_CTRL, phy_ctrl); | |
2998 | ||
60f1292f BA |
2999 | if (phy->type != e1000_phy_igp_3) |
3000 | return 0; | |
3001 | ||
e921eb1a | 3002 | /* LPLU and SmartSpeed are mutually exclusive. LPLU is used |
bc7f75fa AK |
3003 | * during Dx states where the power conservation is most |
3004 | * important. During driver activity we should enable | |
ad68076e BA |
3005 | * SmartSpeed, so performance is maintained. |
3006 | */ | |
bc7f75fa AK |
3007 | if (phy->smart_speed == e1000_smart_speed_on) { |
3008 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 3009 | &data); |
bc7f75fa AK |
3010 | if (ret_val) |
3011 | return ret_val; | |
3012 | ||
3013 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
3014 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 3015 | data); |
bc7f75fa AK |
3016 | if (ret_val) |
3017 | return ret_val; | |
3018 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
3019 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 3020 | &data); |
bc7f75fa AK |
3021 | if (ret_val) |
3022 | return ret_val; | |
3023 | ||
3024 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
3025 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 3026 | data); |
bc7f75fa AK |
3027 | if (ret_val) |
3028 | return ret_val; | |
3029 | } | |
3030 | } | |
3031 | ||
3032 | return 0; | |
3033 | } | |
3034 | ||
3035 | /** | |
3036 | * e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state | |
3037 | * @hw: pointer to the HW structure | |
564ea9bb | 3038 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
3039 | * |
3040 | * Sets the LPLU D3 state according to the active flag. When | |
3041 | * activating LPLU this function also disables smart speed | |
3042 | * and vice versa. LPLU will not be activated unless the | |
3043 | * device autonegotiation advertisement meets standards of | |
3044 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
3045 | * This is a function pointer entry point only called by | |
3046 | * PHY setup routines. | |
3047 | **/ | |
3048 | static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
3049 | { | |
3050 | struct e1000_phy_info *phy = &hw->phy; | |
3051 | u32 phy_ctrl; | |
d7eb3384 | 3052 | s32 ret_val = 0; |
bc7f75fa AK |
3053 | u16 data; |
3054 | ||
3055 | phy_ctrl = er32(PHY_CTRL); | |
3056 | ||
3057 | if (!active) { | |
3058 | phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; | |
3059 | ew32(PHY_CTRL, phy_ctrl); | |
60f1292f BA |
3060 | |
3061 | if (phy->type != e1000_phy_igp_3) | |
3062 | return 0; | |
3063 | ||
e921eb1a | 3064 | /* LPLU and SmartSpeed are mutually exclusive. LPLU is used |
bc7f75fa AK |
3065 | * during Dx states where the power conservation is most |
3066 | * important. During driver activity we should enable | |
ad68076e BA |
3067 | * SmartSpeed, so performance is maintained. |
3068 | */ | |
bc7f75fa | 3069 | if (phy->smart_speed == e1000_smart_speed_on) { |
ad68076e BA |
3070 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
3071 | &data); | |
bc7f75fa AK |
3072 | if (ret_val) |
3073 | return ret_val; | |
3074 | ||
3075 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
3076 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
3077 | data); | |
bc7f75fa AK |
3078 | if (ret_val) |
3079 | return ret_val; | |
3080 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
ad68076e BA |
3081 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
3082 | &data); | |
bc7f75fa AK |
3083 | if (ret_val) |
3084 | return ret_val; | |
3085 | ||
3086 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
3087 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
3088 | data); | |
bc7f75fa AK |
3089 | if (ret_val) |
3090 | return ret_val; | |
3091 | } | |
3092 | } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || | |
3093 | (phy->autoneg_advertised == E1000_ALL_NOT_GIG) || | |
3094 | (phy->autoneg_advertised == E1000_ALL_10_SPEED)) { | |
3095 | phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; | |
3096 | ew32(PHY_CTRL, phy_ctrl); | |
3097 | ||
60f1292f BA |
3098 | if (phy->type != e1000_phy_igp_3) |
3099 | return 0; | |
3100 | ||
e921eb1a | 3101 | /* Call gig speed drop workaround on LPLU before accessing |
ad68076e BA |
3102 | * any PHY registers |
3103 | */ | |
60f1292f | 3104 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
3105 | e1000e_gig_downshift_workaround_ich8lan(hw); |
3106 | ||
3107 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
ad68076e | 3108 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
bc7f75fa AK |
3109 | if (ret_val) |
3110 | return ret_val; | |
3111 | ||
3112 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e | 3113 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
bc7f75fa AK |
3114 | } |
3115 | ||
d7eb3384 | 3116 | return ret_val; |
bc7f75fa AK |
3117 | } |
3118 | ||
f4187b56 BA |
3119 | /** |
3120 | * e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1 | |
3121 | * @hw: pointer to the HW structure | |
3122 | * @bank: pointer to the variable that returns the active bank | |
3123 | * | |
3124 | * Reads signature byte from the NVM using the flash access registers. | |
e243455d | 3125 | * Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank. |
f4187b56 BA |
3126 | **/ |
3127 | static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) | |
3128 | { | |
e243455d | 3129 | u32 eecd; |
f4187b56 | 3130 | struct e1000_nvm_info *nvm = &hw->nvm; |
f4187b56 BA |
3131 | u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); |
3132 | u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; | |
f3ed935d | 3133 | u32 nvm_dword = 0; |
e243455d | 3134 | u8 sig_byte = 0; |
f71dde6a | 3135 | s32 ret_val; |
f4187b56 | 3136 | |
e243455d | 3137 | switch (hw->mac.type) { |
79849ebc | 3138 | case e1000_pch_spt: |
c8744f44 | 3139 | case e1000_pch_cnp: |
f3ed935d RA |
3140 | bank1_offset = nvm->flash_bank_size; |
3141 | act_offset = E1000_ICH_NVM_SIG_WORD; | |
3142 | ||
3143 | /* set bank to 0 in case flash read fails */ | |
3144 | *bank = 0; | |
3145 | ||
3146 | /* Check bank 0 */ | |
3147 | ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset, | |
3148 | &nvm_dword); | |
3149 | if (ret_val) | |
3150 | return ret_val; | |
3151 | sig_byte = (u8)((nvm_dword & 0xFF00) >> 8); | |
3152 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
3153 | E1000_ICH_NVM_SIG_VALUE) { | |
3154 | *bank = 0; | |
79849ebc DE |
3155 | return 0; |
3156 | } | |
f3ed935d RA |
3157 | |
3158 | /* Check bank 1 */ | |
3159 | ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset + | |
3160 | bank1_offset, | |
3161 | &nvm_dword); | |
3162 | if (ret_val) | |
3163 | return ret_val; | |
3164 | sig_byte = (u8)((nvm_dword & 0xFF00) >> 8); | |
3165 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
3166 | E1000_ICH_NVM_SIG_VALUE) { | |
3167 | *bank = 1; | |
3168 | return 0; | |
3169 | } | |
3170 | ||
3171 | e_dbg("ERROR: No valid NVM bank present\n"); | |
3172 | return -E1000_ERR_NVM; | |
e243455d BA |
3173 | case e1000_ich8lan: |
3174 | case e1000_ich9lan: | |
3175 | eecd = er32(EECD); | |
3176 | if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) == | |
3177 | E1000_EECD_SEC1VAL_VALID_MASK) { | |
3178 | if (eecd & E1000_EECD_SEC1VAL) | |
3179 | *bank = 1; | |
3180 | else | |
3181 | *bank = 0; | |
3182 | ||
3183 | return 0; | |
3184 | } | |
434f1392 | 3185 | e_dbg("Unable to determine valid NVM bank via EEC - reading flash signature\n"); |
e243455d BA |
3186 | /* fall-thru */ |
3187 | default: | |
3188 | /* set bank to 0 in case flash read fails */ | |
3189 | *bank = 0; | |
3190 | ||
3191 | /* Check bank 0 */ | |
3192 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset, | |
f0ff4398 | 3193 | &sig_byte); |
e243455d BA |
3194 | if (ret_val) |
3195 | return ret_val; | |
3196 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
3197 | E1000_ICH_NVM_SIG_VALUE) { | |
f4187b56 | 3198 | *bank = 0; |
e243455d BA |
3199 | return 0; |
3200 | } | |
f4187b56 | 3201 | |
e243455d BA |
3202 | /* Check bank 1 */ |
3203 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset + | |
f0ff4398 BA |
3204 | bank1_offset, |
3205 | &sig_byte); | |
e243455d BA |
3206 | if (ret_val) |
3207 | return ret_val; | |
3208 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
3209 | E1000_ICH_NVM_SIG_VALUE) { | |
3210 | *bank = 1; | |
3211 | return 0; | |
f4187b56 | 3212 | } |
e243455d | 3213 | |
3bb99fe2 | 3214 | e_dbg("ERROR: No valid NVM bank present\n"); |
e243455d | 3215 | return -E1000_ERR_NVM; |
f4187b56 | 3216 | } |
f4187b56 BA |
3217 | } |
3218 | ||
79849ebc DE |
3219 | /** |
3220 | * e1000_read_nvm_spt - NVM access for SPT | |
3221 | * @hw: pointer to the HW structure | |
3222 | * @offset: The offset (in bytes) of the word(s) to read. | |
3223 | * @words: Size of data to read in words. | |
3224 | * @data: pointer to the word(s) to read at offset. | |
3225 | * | |
3226 | * Reads a word(s) from the NVM | |
3227 | **/ | |
3228 | static s32 e1000_read_nvm_spt(struct e1000_hw *hw, u16 offset, u16 words, | |
3229 | u16 *data) | |
3230 | { | |
3231 | struct e1000_nvm_info *nvm = &hw->nvm; | |
3232 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3233 | u32 act_offset; | |
3234 | s32 ret_val = 0; | |
3235 | u32 bank = 0; | |
3236 | u32 dword = 0; | |
3237 | u16 offset_to_read; | |
3238 | u16 i; | |
3239 | ||
3240 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
3241 | (words == 0)) { | |
3242 | e_dbg("nvm parameter(s) out of bounds\n"); | |
3243 | ret_val = -E1000_ERR_NVM; | |
3244 | goto out; | |
3245 | } | |
3246 | ||
3247 | nvm->ops.acquire(hw); | |
3248 | ||
3249 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); | |
3250 | if (ret_val) { | |
3251 | e_dbg("Could not detect valid bank, assuming bank 0\n"); | |
3252 | bank = 0; | |
3253 | } | |
3254 | ||
3255 | act_offset = (bank) ? nvm->flash_bank_size : 0; | |
3256 | act_offset += offset; | |
3257 | ||
3258 | ret_val = 0; | |
3259 | ||
3260 | for (i = 0; i < words; i += 2) { | |
3261 | if (words - i == 1) { | |
3262 | if (dev_spec->shadow_ram[offset + i].modified) { | |
3263 | data[i] = | |
3264 | dev_spec->shadow_ram[offset + i].value; | |
3265 | } else { | |
3266 | offset_to_read = act_offset + i - | |
3267 | ((act_offset + i) % 2); | |
3268 | ret_val = | |
3269 | e1000_read_flash_dword_ich8lan(hw, | |
3270 | offset_to_read, | |
3271 | &dword); | |
3272 | if (ret_val) | |
3273 | break; | |
3274 | if ((act_offset + i) % 2 == 0) | |
3275 | data[i] = (u16)(dword & 0xFFFF); | |
3276 | else | |
3277 | data[i] = (u16)((dword >> 16) & 0xFFFF); | |
3278 | } | |
3279 | } else { | |
3280 | offset_to_read = act_offset + i; | |
3281 | if (!(dev_spec->shadow_ram[offset + i].modified) || | |
3282 | !(dev_spec->shadow_ram[offset + i + 1].modified)) { | |
3283 | ret_val = | |
3284 | e1000_read_flash_dword_ich8lan(hw, | |
3285 | offset_to_read, | |
3286 | &dword); | |
3287 | if (ret_val) | |
3288 | break; | |
3289 | } | |
3290 | if (dev_spec->shadow_ram[offset + i].modified) | |
3291 | data[i] = | |
3292 | dev_spec->shadow_ram[offset + i].value; | |
3293 | else | |
3294 | data[i] = (u16)(dword & 0xFFFF); | |
3295 | if (dev_spec->shadow_ram[offset + i].modified) | |
3296 | data[i + 1] = | |
3297 | dev_spec->shadow_ram[offset + i + 1].value; | |
3298 | else | |
3299 | data[i + 1] = (u16)(dword >> 16 & 0xFFFF); | |
3300 | } | |
3301 | } | |
3302 | ||
3303 | nvm->ops.release(hw); | |
3304 | ||
3305 | out: | |
3306 | if (ret_val) | |
3307 | e_dbg("NVM read error: %d\n", ret_val); | |
3308 | ||
3309 | return ret_val; | |
3310 | } | |
3311 | ||
bc7f75fa AK |
3312 | /** |
3313 | * e1000_read_nvm_ich8lan - Read word(s) from the NVM | |
3314 | * @hw: pointer to the HW structure | |
3315 | * @offset: The offset (in bytes) of the word(s) to read. | |
3316 | * @words: Size of data to read in words | |
3317 | * @data: Pointer to the word(s) to read at offset. | |
3318 | * | |
3319 | * Reads a word(s) from the NVM using the flash access registers. | |
3320 | **/ | |
3321 | static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
3322 | u16 *data) | |
3323 | { | |
3324 | struct e1000_nvm_info *nvm = &hw->nvm; | |
3325 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3326 | u32 act_offset; | |
148675a7 | 3327 | s32 ret_val = 0; |
f4187b56 | 3328 | u32 bank = 0; |
bc7f75fa AK |
3329 | u16 i, word; |
3330 | ||
3331 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
3332 | (words == 0)) { | |
3bb99fe2 | 3333 | e_dbg("nvm parameter(s) out of bounds\n"); |
ca15df58 BA |
3334 | ret_val = -E1000_ERR_NVM; |
3335 | goto out; | |
bc7f75fa AK |
3336 | } |
3337 | ||
94d8186a | 3338 | nvm->ops.acquire(hw); |
bc7f75fa | 3339 | |
f4187b56 | 3340 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
148675a7 | 3341 | if (ret_val) { |
3bb99fe2 | 3342 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 BA |
3343 | bank = 0; |
3344 | } | |
f4187b56 BA |
3345 | |
3346 | act_offset = (bank) ? nvm->flash_bank_size : 0; | |
bc7f75fa AK |
3347 | act_offset += offset; |
3348 | ||
148675a7 | 3349 | ret_val = 0; |
bc7f75fa | 3350 | for (i = 0; i < words; i++) { |
362e20ca BA |
3351 | if (dev_spec->shadow_ram[offset + i].modified) { |
3352 | data[i] = dev_spec->shadow_ram[offset + i].value; | |
bc7f75fa AK |
3353 | } else { |
3354 | ret_val = e1000_read_flash_word_ich8lan(hw, | |
3355 | act_offset + i, | |
3356 | &word); | |
3357 | if (ret_val) | |
3358 | break; | |
3359 | data[i] = word; | |
3360 | } | |
3361 | } | |
3362 | ||
94d8186a | 3363 | nvm->ops.release(hw); |
bc7f75fa | 3364 | |
e243455d BA |
3365 | out: |
3366 | if (ret_val) | |
3bb99fe2 | 3367 | e_dbg("NVM read error: %d\n", ret_val); |
e243455d | 3368 | |
bc7f75fa AK |
3369 | return ret_val; |
3370 | } | |
3371 | ||
3372 | /** | |
3373 | * e1000_flash_cycle_init_ich8lan - Initialize flash | |
3374 | * @hw: pointer to the HW structure | |
3375 | * | |
3376 | * This function does initial flash setup so that a new read/write/erase cycle | |
3377 | * can be started. | |
3378 | **/ | |
3379 | static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) | |
3380 | { | |
3381 | union ich8_hws_flash_status hsfsts; | |
3382 | s32 ret_val = -E1000_ERR_NVM; | |
bc7f75fa AK |
3383 | |
3384 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
3385 | ||
3386 | /* Check if the flash descriptor is valid */ | |
04499ec4 | 3387 | if (!hsfsts.hsf_status.fldesvalid) { |
434f1392 | 3388 | e_dbg("Flash descriptor invalid. SW Sequencing must be used.\n"); |
bc7f75fa AK |
3389 | return -E1000_ERR_NVM; |
3390 | } | |
3391 | ||
3392 | /* Clear FCERR and DAEL in hw status by writing 1 */ | |
3393 | hsfsts.hsf_status.flcerr = 1; | |
3394 | hsfsts.hsf_status.dael = 1; | |
c8744f44 | 3395 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3396 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval & 0xFFFF); |
3397 | else | |
3398 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
bc7f75fa | 3399 | |
e921eb1a | 3400 | /* Either we should have a hardware SPI cycle in progress |
bc7f75fa AK |
3401 | * bit to check against, in order to start a new cycle or |
3402 | * FDONE bit should be changed in the hardware so that it | |
489815ce | 3403 | * is 1 after hardware reset, which can then be used as an |
bc7f75fa AK |
3404 | * indication whether a cycle is in progress or has been |
3405 | * completed. | |
3406 | */ | |
3407 | ||
04499ec4 | 3408 | if (!hsfsts.hsf_status.flcinprog) { |
e921eb1a | 3409 | /* There is no cycle running at present, |
5ff5b664 | 3410 | * so we can start a cycle. |
ad68076e BA |
3411 | * Begin by setting Flash Cycle Done. |
3412 | */ | |
bc7f75fa | 3413 | hsfsts.hsf_status.flcdone = 1; |
c8744f44 | 3414 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3415 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval & 0xFFFF); |
3416 | else | |
3417 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
bc7f75fa AK |
3418 | ret_val = 0; |
3419 | } else { | |
f71dde6a | 3420 | s32 i; |
90da0669 | 3421 | |
e921eb1a | 3422 | /* Otherwise poll for sometime so the current |
ad68076e BA |
3423 | * cycle has a chance to end before giving up. |
3424 | */ | |
bc7f75fa | 3425 | for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) { |
c8243ee0 | 3426 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); |
04499ec4 | 3427 | if (!hsfsts.hsf_status.flcinprog) { |
bc7f75fa AK |
3428 | ret_val = 0; |
3429 | break; | |
3430 | } | |
3431 | udelay(1); | |
3432 | } | |
9e2d7657 | 3433 | if (!ret_val) { |
e921eb1a | 3434 | /* Successful in waiting for previous cycle to timeout, |
ad68076e BA |
3435 | * now set the Flash Cycle Done. |
3436 | */ | |
bc7f75fa | 3437 | hsfsts.hsf_status.flcdone = 1; |
c8744f44 | 3438 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3439 | ew32flash(ICH_FLASH_HSFSTS, |
3440 | hsfsts.regval & 0xFFFF); | |
3441 | else | |
3442 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
bc7f75fa | 3443 | } else { |
2c73e1fe | 3444 | e_dbg("Flash controller busy, cannot get access\n"); |
bc7f75fa AK |
3445 | } |
3446 | } | |
3447 | ||
3448 | return ret_val; | |
3449 | } | |
3450 | ||
3451 | /** | |
3452 | * e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase) | |
3453 | * @hw: pointer to the HW structure | |
3454 | * @timeout: maximum time to wait for completion | |
3455 | * | |
3456 | * This function starts a flash cycle and waits for its completion. | |
3457 | **/ | |
3458 | static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) | |
3459 | { | |
3460 | union ich8_hws_flash_ctrl hsflctl; | |
3461 | union ich8_hws_flash_status hsfsts; | |
bc7f75fa AK |
3462 | u32 i = 0; |
3463 | ||
3464 | /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ | |
c8744f44 | 3465 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3466 | hsflctl.regval = er32flash(ICH_FLASH_HSFSTS) >> 16; |
3467 | else | |
3468 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
bc7f75fa | 3469 | hsflctl.hsf_ctrl.flcgo = 1; |
79849ebc | 3470 | |
c8744f44 | 3471 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3472 | ew32flash(ICH_FLASH_HSFSTS, hsflctl.regval << 16); |
3473 | else | |
3474 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
bc7f75fa AK |
3475 | |
3476 | /* wait till FDONE bit is set to 1 */ | |
3477 | do { | |
3478 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
04499ec4 | 3479 | if (hsfsts.hsf_status.flcdone) |
bc7f75fa AK |
3480 | break; |
3481 | udelay(1); | |
3482 | } while (i++ < timeout); | |
3483 | ||
04499ec4 | 3484 | if (hsfsts.hsf_status.flcdone && !hsfsts.hsf_status.flcerr) |
bc7f75fa AK |
3485 | return 0; |
3486 | ||
55920b5e | 3487 | return -E1000_ERR_NVM; |
bc7f75fa AK |
3488 | } |
3489 | ||
79849ebc DE |
3490 | /** |
3491 | * e1000_read_flash_dword_ich8lan - Read dword from flash | |
3492 | * @hw: pointer to the HW structure | |
3493 | * @offset: offset to data location | |
3494 | * @data: pointer to the location for storing the data | |
3495 | * | |
3496 | * Reads the flash dword at offset into data. Offset is converted | |
3497 | * to bytes before read. | |
3498 | **/ | |
3499 | static s32 e1000_read_flash_dword_ich8lan(struct e1000_hw *hw, u32 offset, | |
3500 | u32 *data) | |
3501 | { | |
3502 | /* Must convert word offset into bytes. */ | |
3503 | offset <<= 1; | |
3504 | return e1000_read_flash_data32_ich8lan(hw, offset, data); | |
3505 | } | |
3506 | ||
bc7f75fa AK |
3507 | /** |
3508 | * e1000_read_flash_word_ich8lan - Read word from flash | |
3509 | * @hw: pointer to the HW structure | |
3510 | * @offset: offset to data location | |
3511 | * @data: pointer to the location for storing the data | |
3512 | * | |
3513 | * Reads the flash word at offset into data. Offset is converted | |
3514 | * to bytes before read. | |
3515 | **/ | |
3516 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, | |
3517 | u16 *data) | |
3518 | { | |
3519 | /* Must convert offset into bytes. */ | |
3520 | offset <<= 1; | |
3521 | ||
3522 | return e1000_read_flash_data_ich8lan(hw, offset, 2, data); | |
3523 | } | |
3524 | ||
f4187b56 BA |
3525 | /** |
3526 | * e1000_read_flash_byte_ich8lan - Read byte from flash | |
3527 | * @hw: pointer to the HW structure | |
3528 | * @offset: The offset of the byte to read. | |
3529 | * @data: Pointer to a byte to store the value read. | |
3530 | * | |
3531 | * Reads a single byte from the NVM using the flash access registers. | |
3532 | **/ | |
3533 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
3534 | u8 *data) | |
3535 | { | |
3536 | s32 ret_val; | |
3537 | u16 word = 0; | |
3538 | ||
79849ebc DE |
3539 | /* In SPT, only 32 bits access is supported, |
3540 | * so this function should not be called. | |
3541 | */ | |
c8744f44 | 3542 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
3543 | return -E1000_ERR_NVM; |
3544 | else | |
3545 | ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word); | |
3546 | ||
f4187b56 BA |
3547 | if (ret_val) |
3548 | return ret_val; | |
3549 | ||
3550 | *data = (u8)word; | |
3551 | ||
3552 | return 0; | |
3553 | } | |
3554 | ||
bc7f75fa AK |
3555 | /** |
3556 | * e1000_read_flash_data_ich8lan - Read byte or word from NVM | |
3557 | * @hw: pointer to the HW structure | |
3558 | * @offset: The offset (in bytes) of the byte or word to read. | |
3559 | * @size: Size of data to read, 1=byte 2=word | |
3560 | * @data: Pointer to the word to store the value read. | |
3561 | * | |
3562 | * Reads a byte or word from the NVM using the flash access registers. | |
3563 | **/ | |
3564 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
3565 | u8 size, u16 *data) | |
3566 | { | |
3567 | union ich8_hws_flash_status hsfsts; | |
3568 | union ich8_hws_flash_ctrl hsflctl; | |
3569 | u32 flash_linear_addr; | |
3570 | u32 flash_data = 0; | |
3571 | s32 ret_val = -E1000_ERR_NVM; | |
3572 | u8 count = 0; | |
3573 | ||
e80bd1d1 | 3574 | if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK) |
bc7f75fa AK |
3575 | return -E1000_ERR_NVM; |
3576 | ||
f0ff4398 BA |
3577 | flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) + |
3578 | hw->nvm.flash_base_addr); | |
bc7f75fa AK |
3579 | |
3580 | do { | |
3581 | udelay(1); | |
3582 | /* Steps */ | |
3583 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
9e2d7657 | 3584 | if (ret_val) |
bc7f75fa AK |
3585 | break; |
3586 | ||
3587 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
3588 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
3589 | hsflctl.hsf_ctrl.fldbcount = size - 1; | |
3590 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; | |
3591 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
3592 | ||
3593 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
3594 | ||
17e813ec BA |
3595 | ret_val = |
3596 | e1000_flash_cycle_ich8lan(hw, | |
3597 | ICH_FLASH_READ_COMMAND_TIMEOUT); | |
bc7f75fa | 3598 | |
e921eb1a | 3599 | /* Check if FCERR is set to 1, if set to 1, clear it |
bc7f75fa AK |
3600 | * and try the whole sequence a few more times, else |
3601 | * read in (shift in) the Flash Data0, the order is | |
ad68076e BA |
3602 | * least significant byte first msb to lsb |
3603 | */ | |
9e2d7657 | 3604 | if (!ret_val) { |
bc7f75fa | 3605 | flash_data = er32flash(ICH_FLASH_FDATA0); |
b1cdfead | 3606 | if (size == 1) |
bc7f75fa | 3607 | *data = (u8)(flash_data & 0x000000FF); |
b1cdfead | 3608 | else if (size == 2) |
bc7f75fa | 3609 | *data = (u16)(flash_data & 0x0000FFFF); |
bc7f75fa AK |
3610 | break; |
3611 | } else { | |
e921eb1a | 3612 | /* If we've gotten here, then things are probably |
bc7f75fa AK |
3613 | * completely hosed, but if the error condition is |
3614 | * detected, it won't hurt to give it another try... | |
3615 | * ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
3616 | */ | |
3617 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
04499ec4 | 3618 | if (hsfsts.hsf_status.flcerr) { |
bc7f75fa AK |
3619 | /* Repeat for some time before giving up. */ |
3620 | continue; | |
04499ec4 | 3621 | } else if (!hsfsts.hsf_status.flcdone) { |
434f1392 | 3622 | e_dbg("Timeout error - flash cycle did not complete.\n"); |
bc7f75fa AK |
3623 | break; |
3624 | } | |
3625 | } | |
3626 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
3627 | ||
3628 | return ret_val; | |
3629 | } | |
3630 | ||
79849ebc DE |
3631 | /** |
3632 | * e1000_read_flash_data32_ich8lan - Read dword from NVM | |
3633 | * @hw: pointer to the HW structure | |
3634 | * @offset: The offset (in bytes) of the dword to read. | |
3635 | * @data: Pointer to the dword to store the value read. | |
3636 | * | |
3637 | * Reads a byte or word from the NVM using the flash access registers. | |
3638 | **/ | |
3639 | ||
3640 | static s32 e1000_read_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset, | |
3641 | u32 *data) | |
3642 | { | |
3643 | union ich8_hws_flash_status hsfsts; | |
3644 | union ich8_hws_flash_ctrl hsflctl; | |
3645 | u32 flash_linear_addr; | |
3646 | s32 ret_val = -E1000_ERR_NVM; | |
3647 | u8 count = 0; | |
3648 | ||
c8744f44 | 3649 | if (offset > ICH_FLASH_LINEAR_ADDR_MASK || hw->mac.type < e1000_pch_spt) |
79849ebc DE |
3650 | return -E1000_ERR_NVM; |
3651 | flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
3652 | hw->nvm.flash_base_addr); | |
3653 | ||
3654 | do { | |
3655 | udelay(1); | |
3656 | /* Steps */ | |
3657 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
3658 | if (ret_val) | |
3659 | break; | |
3660 | /* In SPT, This register is in Lan memory space, not flash. | |
3661 | * Therefore, only 32 bit access is supported | |
3662 | */ | |
3663 | hsflctl.regval = er32flash(ICH_FLASH_HSFSTS) >> 16; | |
3664 | ||
3665 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
3666 | hsflctl.hsf_ctrl.fldbcount = sizeof(u32) - 1; | |
3667 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; | |
3668 | /* In SPT, This register is in Lan memory space, not flash. | |
3669 | * Therefore, only 32 bit access is supported | |
3670 | */ | |
3671 | ew32flash(ICH_FLASH_HSFSTS, (u32)hsflctl.regval << 16); | |
3672 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
3673 | ||
3674 | ret_val = | |
3675 | e1000_flash_cycle_ich8lan(hw, | |
3676 | ICH_FLASH_READ_COMMAND_TIMEOUT); | |
3677 | ||
3678 | /* Check if FCERR is set to 1, if set to 1, clear it | |
3679 | * and try the whole sequence a few more times, else | |
3680 | * read in (shift in) the Flash Data0, the order is | |
3681 | * least significant byte first msb to lsb | |
3682 | */ | |
3683 | if (!ret_val) { | |
3684 | *data = er32flash(ICH_FLASH_FDATA0); | |
3685 | break; | |
3686 | } else { | |
3687 | /* If we've gotten here, then things are probably | |
3688 | * completely hosed, but if the error condition is | |
3689 | * detected, it won't hurt to give it another try... | |
3690 | * ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
3691 | */ | |
3692 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
3693 | if (hsfsts.hsf_status.flcerr) { | |
3694 | /* Repeat for some time before giving up. */ | |
3695 | continue; | |
3696 | } else if (!hsfsts.hsf_status.flcdone) { | |
3697 | e_dbg("Timeout error - flash cycle did not complete.\n"); | |
3698 | break; | |
3699 | } | |
3700 | } | |
3701 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
3702 | ||
3703 | return ret_val; | |
3704 | } | |
3705 | ||
bc7f75fa AK |
3706 | /** |
3707 | * e1000_write_nvm_ich8lan - Write word(s) to the NVM | |
3708 | * @hw: pointer to the HW structure | |
3709 | * @offset: The offset (in bytes) of the word(s) to write. | |
3710 | * @words: Size of data to write in words | |
3711 | * @data: Pointer to the word(s) to write at offset. | |
3712 | * | |
3713 | * Writes a byte or word to the NVM using the flash access registers. | |
3714 | **/ | |
3715 | static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
3716 | u16 *data) | |
3717 | { | |
3718 | struct e1000_nvm_info *nvm = &hw->nvm; | |
3719 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
bc7f75fa AK |
3720 | u16 i; |
3721 | ||
3722 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
3723 | (words == 0)) { | |
3bb99fe2 | 3724 | e_dbg("nvm parameter(s) out of bounds\n"); |
bc7f75fa AK |
3725 | return -E1000_ERR_NVM; |
3726 | } | |
3727 | ||
94d8186a | 3728 | nvm->ops.acquire(hw); |
ca15df58 | 3729 | |
bc7f75fa | 3730 | for (i = 0; i < words; i++) { |
362e20ca BA |
3731 | dev_spec->shadow_ram[offset + i].modified = true; |
3732 | dev_spec->shadow_ram[offset + i].value = data[i]; | |
bc7f75fa AK |
3733 | } |
3734 | ||
94d8186a | 3735 | nvm->ops.release(hw); |
ca15df58 | 3736 | |
bc7f75fa AK |
3737 | return 0; |
3738 | } | |
3739 | ||
3740 | /** | |
79849ebc | 3741 | * e1000_update_nvm_checksum_spt - Update the checksum for NVM |
bc7f75fa AK |
3742 | * @hw: pointer to the HW structure |
3743 | * | |
3744 | * The NVM checksum is updated by calling the generic update_nvm_checksum, | |
3745 | * which writes the checksum to the shadow ram. The changes in the shadow | |
3746 | * ram are then committed to the EEPROM by processing each bank at a time | |
3747 | * checking for the modified bit and writing only the pending changes. | |
489815ce | 3748 | * After a successful commit, the shadow ram is cleared and is ready for |
bc7f75fa AK |
3749 | * future writes. |
3750 | **/ | |
79849ebc | 3751 | static s32 e1000_update_nvm_checksum_spt(struct e1000_hw *hw) |
bc7f75fa AK |
3752 | { |
3753 | struct e1000_nvm_info *nvm = &hw->nvm; | |
3754 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
f4187b56 | 3755 | u32 i, act_offset, new_bank_offset, old_bank_offset, bank; |
bc7f75fa | 3756 | s32 ret_val; |
79849ebc | 3757 | u32 dword = 0; |
bc7f75fa AK |
3758 | |
3759 | ret_val = e1000e_update_nvm_checksum_generic(hw); | |
3760 | if (ret_val) | |
e243455d | 3761 | goto out; |
bc7f75fa AK |
3762 | |
3763 | if (nvm->type != e1000_nvm_flash_sw) | |
e243455d | 3764 | goto out; |
bc7f75fa | 3765 | |
94d8186a | 3766 | nvm->ops.acquire(hw); |
bc7f75fa | 3767 | |
e921eb1a | 3768 | /* We're writing to the opposite bank so if we're on bank 1, |
bc7f75fa | 3769 | * write to bank 0 etc. We also need to erase the segment that |
ad68076e BA |
3770 | * is going to be written |
3771 | */ | |
e80bd1d1 | 3772 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
e243455d | 3773 | if (ret_val) { |
3bb99fe2 | 3774 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 | 3775 | bank = 0; |
e243455d | 3776 | } |
f4187b56 BA |
3777 | |
3778 | if (bank == 0) { | |
bc7f75fa AK |
3779 | new_bank_offset = nvm->flash_bank_size; |
3780 | old_bank_offset = 0; | |
e243455d | 3781 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); |
9c5e209d BA |
3782 | if (ret_val) |
3783 | goto release; | |
bc7f75fa AK |
3784 | } else { |
3785 | old_bank_offset = nvm->flash_bank_size; | |
3786 | new_bank_offset = 0; | |
e243455d | 3787 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); |
9c5e209d BA |
3788 | if (ret_val) |
3789 | goto release; | |
bc7f75fa | 3790 | } |
79849ebc | 3791 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i += 2) { |
e921eb1a | 3792 | /* Determine whether to write the value stored |
bc7f75fa | 3793 | * in the other NVM bank or a modified value stored |
ad68076e BA |
3794 | * in the shadow RAM |
3795 | */ | |
79849ebc DE |
3796 | ret_val = e1000_read_flash_dword_ich8lan(hw, |
3797 | i + old_bank_offset, | |
3798 | &dword); | |
3799 | ||
3800 | if (dev_spec->shadow_ram[i].modified) { | |
3801 | dword &= 0xffff0000; | |
3802 | dword |= (dev_spec->shadow_ram[i].value & 0xffff); | |
3803 | } | |
3804 | if (dev_spec->shadow_ram[i + 1].modified) { | |
3805 | dword &= 0x0000ffff; | |
3806 | dword |= ((dev_spec->shadow_ram[i + 1].value & 0xffff) | |
3807 | << 16); | |
3808 | } | |
3809 | if (ret_val) | |
3810 | break; | |
3811 | ||
3812 | /* If the word is 0x13, then make sure the signature bits | |
3813 | * (15:14) are 11b until the commit has completed. | |
3814 | * This will allow us to write 10b which indicates the | |
3815 | * signature is valid. We want to do this after the write | |
3816 | * has completed so that we don't mark the segment valid | |
3817 | * while the write is still in progress | |
3818 | */ | |
3819 | if (i == E1000_ICH_NVM_SIG_WORD - 1) | |
3820 | dword |= E1000_ICH_NVM_SIG_MASK << 16; | |
3821 | ||
3822 | /* Convert offset to bytes. */ | |
3823 | act_offset = (i + new_bank_offset) << 1; | |
3824 | ||
3825 | usleep_range(100, 200); | |
3826 | ||
3827 | /* Write the data to the new bank. Offset in words */ | |
3828 | act_offset = i + new_bank_offset; | |
3829 | ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset, | |
3830 | dword); | |
3831 | if (ret_val) | |
3832 | break; | |
3833 | } | |
3834 | ||
3835 | /* Don't bother writing the segment valid bits if sector | |
3836 | * programming failed. | |
3837 | */ | |
3838 | if (ret_val) { | |
3839 | /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ | |
3840 | e_dbg("Flash commit failed.\n"); | |
3841 | goto release; | |
3842 | } | |
3843 | ||
3844 | /* Finally validate the new segment by setting bit 15:14 | |
3845 | * to 10b in word 0x13 , this can be done without an | |
3846 | * erase as well since these bits are 11 to start with | |
3847 | * and we need to change bit 14 to 0b | |
3848 | */ | |
3849 | act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; | |
3850 | ||
3851 | /*offset in words but we read dword */ | |
3852 | --act_offset; | |
3853 | ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset, &dword); | |
3854 | ||
3855 | if (ret_val) | |
3856 | goto release; | |
3857 | ||
3858 | dword &= 0xBFFFFFFF; | |
3859 | ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset, dword); | |
3860 | ||
3861 | if (ret_val) | |
3862 | goto release; | |
3863 | ||
3864 | /* And invalidate the previously valid segment by setting | |
3865 | * its signature word (0x13) high_byte to 0b. This can be | |
3866 | * done without an erase because flash erase sets all bits | |
3867 | * to 1's. We can write 1's to 0's without an erase | |
3868 | */ | |
3869 | act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; | |
3870 | ||
3871 | /* offset in words but we read dword */ | |
3872 | act_offset = old_bank_offset + E1000_ICH_NVM_SIG_WORD - 1; | |
3873 | ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset, &dword); | |
3874 | ||
3875 | if (ret_val) | |
3876 | goto release; | |
3877 | ||
3878 | dword &= 0x00FFFFFF; | |
3879 | ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset, dword); | |
3880 | ||
3881 | if (ret_val) | |
3882 | goto release; | |
3883 | ||
3884 | /* Great! Everything worked, we can now clear the cached entries. */ | |
3885 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
3886 | dev_spec->shadow_ram[i].modified = false; | |
3887 | dev_spec->shadow_ram[i].value = 0xFFFF; | |
3888 | } | |
3889 | ||
3890 | release: | |
3891 | nvm->ops.release(hw); | |
3892 | ||
3893 | /* Reload the EEPROM, or else modifications will not appear | |
3894 | * until after the next adapter reset. | |
3895 | */ | |
3896 | if (!ret_val) { | |
3897 | nvm->ops.reload(hw); | |
3898 | usleep_range(10000, 20000); | |
3899 | } | |
3900 | ||
3901 | out: | |
3902 | if (ret_val) | |
3903 | e_dbg("NVM update error: %d\n", ret_val); | |
3904 | ||
3905 | return ret_val; | |
3906 | } | |
3907 | ||
3908 | /** | |
3909 | * e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM | |
3910 | * @hw: pointer to the HW structure | |
3911 | * | |
3912 | * The NVM checksum is updated by calling the generic update_nvm_checksum, | |
3913 | * which writes the checksum to the shadow ram. The changes in the shadow | |
3914 | * ram are then committed to the EEPROM by processing each bank at a time | |
3915 | * checking for the modified bit and writing only the pending changes. | |
3916 | * After a successful commit, the shadow ram is cleared and is ready for | |
3917 | * future writes. | |
3918 | **/ | |
3919 | static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
3920 | { | |
3921 | struct e1000_nvm_info *nvm = &hw->nvm; | |
3922 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3923 | u32 i, act_offset, new_bank_offset, old_bank_offset, bank; | |
3924 | s32 ret_val; | |
3925 | u16 data = 0; | |
3926 | ||
3927 | ret_val = e1000e_update_nvm_checksum_generic(hw); | |
3928 | if (ret_val) | |
3929 | goto out; | |
3930 | ||
3931 | if (nvm->type != e1000_nvm_flash_sw) | |
3932 | goto out; | |
3933 | ||
3934 | nvm->ops.acquire(hw); | |
3935 | ||
3936 | /* We're writing to the opposite bank so if we're on bank 1, | |
3937 | * write to bank 0 etc. We also need to erase the segment that | |
3938 | * is going to be written | |
3939 | */ | |
3940 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); | |
3941 | if (ret_val) { | |
3942 | e_dbg("Could not detect valid bank, assuming bank 0\n"); | |
3943 | bank = 0; | |
3944 | } | |
3945 | ||
3946 | if (bank == 0) { | |
3947 | new_bank_offset = nvm->flash_bank_size; | |
3948 | old_bank_offset = 0; | |
3949 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); | |
3950 | if (ret_val) | |
3951 | goto release; | |
3952 | } else { | |
3953 | old_bank_offset = nvm->flash_bank_size; | |
3954 | new_bank_offset = 0; | |
3955 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); | |
3956 | if (ret_val) | |
3957 | goto release; | |
3958 | } | |
3959 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
bc7f75fa AK |
3960 | if (dev_spec->shadow_ram[i].modified) { |
3961 | data = dev_spec->shadow_ram[i].value; | |
3962 | } else { | |
e243455d | 3963 | ret_val = e1000_read_flash_word_ich8lan(hw, i + |
f0ff4398 BA |
3964 | old_bank_offset, |
3965 | &data); | |
e243455d BA |
3966 | if (ret_val) |
3967 | break; | |
bc7f75fa AK |
3968 | } |
3969 | ||
e921eb1a | 3970 | /* If the word is 0x13, then make sure the signature bits |
bc7f75fa AK |
3971 | * (15:14) are 11b until the commit has completed. |
3972 | * This will allow us to write 10b which indicates the | |
3973 | * signature is valid. We want to do this after the write | |
3974 | * has completed so that we don't mark the segment valid | |
ad68076e BA |
3975 | * while the write is still in progress |
3976 | */ | |
bc7f75fa AK |
3977 | if (i == E1000_ICH_NVM_SIG_WORD) |
3978 | data |= E1000_ICH_NVM_SIG_MASK; | |
3979 | ||
3980 | /* Convert offset to bytes. */ | |
3981 | act_offset = (i + new_bank_offset) << 1; | |
3982 | ||
ce43a216 | 3983 | usleep_range(100, 200); |
bc7f75fa AK |
3984 | /* Write the bytes to the new bank. */ |
3985 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
3986 | act_offset, | |
3987 | (u8)data); | |
3988 | if (ret_val) | |
3989 | break; | |
3990 | ||
ce43a216 | 3991 | usleep_range(100, 200); |
bc7f75fa | 3992 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, |
f0ff4398 BA |
3993 | act_offset + 1, |
3994 | (u8)(data >> 8)); | |
bc7f75fa AK |
3995 | if (ret_val) |
3996 | break; | |
3997 | } | |
3998 | ||
e921eb1a | 3999 | /* Don't bother writing the segment valid bits if sector |
ad68076e BA |
4000 | * programming failed. |
4001 | */ | |
bc7f75fa | 4002 | if (ret_val) { |
4a770358 | 4003 | /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ |
3bb99fe2 | 4004 | e_dbg("Flash commit failed.\n"); |
9c5e209d | 4005 | goto release; |
bc7f75fa AK |
4006 | } |
4007 | ||
e921eb1a | 4008 | /* Finally validate the new segment by setting bit 15:14 |
bc7f75fa AK |
4009 | * to 10b in word 0x13 , this can be done without an |
4010 | * erase as well since these bits are 11 to start with | |
ad68076e BA |
4011 | * and we need to change bit 14 to 0b |
4012 | */ | |
bc7f75fa | 4013 | act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; |
e243455d | 4014 | ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); |
9c5e209d BA |
4015 | if (ret_val) |
4016 | goto release; | |
4017 | ||
bc7f75fa AK |
4018 | data &= 0xBFFF; |
4019 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
4020 | act_offset * 2 + 1, | |
4021 | (u8)(data >> 8)); | |
9c5e209d BA |
4022 | if (ret_val) |
4023 | goto release; | |
bc7f75fa | 4024 | |
e921eb1a | 4025 | /* And invalidate the previously valid segment by setting |
bc7f75fa AK |
4026 | * its signature word (0x13) high_byte to 0b. This can be |
4027 | * done without an erase because flash erase sets all bits | |
ad68076e BA |
4028 | * to 1's. We can write 1's to 0's without an erase |
4029 | */ | |
bc7f75fa AK |
4030 | act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; |
4031 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); | |
9c5e209d BA |
4032 | if (ret_val) |
4033 | goto release; | |
bc7f75fa AK |
4034 | |
4035 | /* Great! Everything worked, we can now clear the cached entries. */ | |
4036 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
564ea9bb | 4037 | dev_spec->shadow_ram[i].modified = false; |
bc7f75fa AK |
4038 | dev_spec->shadow_ram[i].value = 0xFFFF; |
4039 | } | |
4040 | ||
9c5e209d | 4041 | release: |
94d8186a | 4042 | nvm->ops.release(hw); |
bc7f75fa | 4043 | |
e921eb1a | 4044 | /* Reload the EEPROM, or else modifications will not appear |
bc7f75fa AK |
4045 | * until after the next adapter reset. |
4046 | */ | |
9c5e209d | 4047 | if (!ret_val) { |
e85e3639 | 4048 | nvm->ops.reload(hw); |
1bba4386 | 4049 | usleep_range(10000, 20000); |
9c5e209d | 4050 | } |
bc7f75fa | 4051 | |
e243455d BA |
4052 | out: |
4053 | if (ret_val) | |
3bb99fe2 | 4054 | e_dbg("NVM update error: %d\n", ret_val); |
e243455d | 4055 | |
bc7f75fa AK |
4056 | return ret_val; |
4057 | } | |
4058 | ||
4059 | /** | |
4060 | * e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum | |
4061 | * @hw: pointer to the HW structure | |
4062 | * | |
4063 | * Check to see if checksum needs to be fixed by reading bit 6 in word 0x19. | |
4064 | * If the bit is 0, that the EEPROM had been modified, but the checksum was not | |
4065 | * calculated, in which case we need to calculate the checksum and set bit 6. | |
4066 | **/ | |
4067 | static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
4068 | { | |
4069 | s32 ret_val; | |
4070 | u16 data; | |
1cc7a3a1 BA |
4071 | u16 word; |
4072 | u16 valid_csum_mask; | |
bc7f75fa | 4073 | |
1cc7a3a1 BA |
4074 | /* Read NVM and check Invalid Image CSUM bit. If this bit is 0, |
4075 | * the checksum needs to be fixed. This bit is an indication that | |
4076 | * the NVM was prepared by OEM software and did not calculate | |
4077 | * the checksum...a likely scenario. | |
bc7f75fa | 4078 | */ |
1cc7a3a1 BA |
4079 | switch (hw->mac.type) { |
4080 | case e1000_pch_lpt: | |
79849ebc | 4081 | case e1000_pch_spt: |
c8744f44 | 4082 | case e1000_pch_cnp: |
1cc7a3a1 BA |
4083 | word = NVM_COMPAT; |
4084 | valid_csum_mask = NVM_COMPAT_VALID_CSUM; | |
4085 | break; | |
4086 | default: | |
4087 | word = NVM_FUTURE_INIT_WORD1; | |
4088 | valid_csum_mask = NVM_FUTURE_INIT_WORD1_VALID_CSUM; | |
4089 | break; | |
4090 | } | |
4091 | ||
4092 | ret_val = e1000_read_nvm(hw, word, 1, &data); | |
bc7f75fa AK |
4093 | if (ret_val) |
4094 | return ret_val; | |
4095 | ||
1cc7a3a1 BA |
4096 | if (!(data & valid_csum_mask)) { |
4097 | data |= valid_csum_mask; | |
4098 | ret_val = e1000_write_nvm(hw, word, 1, &data); | |
bc7f75fa AK |
4099 | if (ret_val) |
4100 | return ret_val; | |
4101 | ret_val = e1000e_update_nvm_checksum(hw); | |
4102 | if (ret_val) | |
4103 | return ret_val; | |
4104 | } | |
4105 | ||
4106 | return e1000e_validate_nvm_checksum_generic(hw); | |
4107 | } | |
4108 | ||
4a770358 BA |
4109 | /** |
4110 | * e1000e_write_protect_nvm_ich8lan - Make the NVM read-only | |
4111 | * @hw: pointer to the HW structure | |
4112 | * | |
4113 | * To prevent malicious write/erase of the NVM, set it to be read-only | |
4114 | * so that the hardware ignores all write/erase cycles of the NVM via | |
4115 | * the flash control registers. The shadow-ram copy of the NVM will | |
4116 | * still be updated, however any updates to this copy will not stick | |
4117 | * across driver reloads. | |
4118 | **/ | |
4119 | void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) | |
4120 | { | |
ca15df58 | 4121 | struct e1000_nvm_info *nvm = &hw->nvm; |
4a770358 BA |
4122 | union ich8_flash_protected_range pr0; |
4123 | union ich8_hws_flash_status hsfsts; | |
4124 | u32 gfpreg; | |
4a770358 | 4125 | |
94d8186a | 4126 | nvm->ops.acquire(hw); |
4a770358 BA |
4127 | |
4128 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
4129 | ||
4130 | /* Write-protect GbE Sector of NVM */ | |
4131 | pr0.regval = er32flash(ICH_FLASH_PR0); | |
4132 | pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK; | |
4133 | pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK); | |
4134 | pr0.range.wpe = true; | |
4135 | ew32flash(ICH_FLASH_PR0, pr0.regval); | |
4136 | ||
e921eb1a | 4137 | /* Lock down a subset of GbE Flash Control Registers, e.g. |
4a770358 BA |
4138 | * PR0 to prevent the write-protection from being lifted. |
4139 | * Once FLOCKDN is set, the registers protected by it cannot | |
4140 | * be written until FLOCKDN is cleared by a hardware reset. | |
4141 | */ | |
4142 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
4143 | hsfsts.hsf_status.flockdn = true; | |
4144 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
4145 | ||
94d8186a | 4146 | nvm->ops.release(hw); |
4a770358 BA |
4147 | } |
4148 | ||
bc7f75fa AK |
4149 | /** |
4150 | * e1000_write_flash_data_ich8lan - Writes bytes to the NVM | |
4151 | * @hw: pointer to the HW structure | |
4152 | * @offset: The offset (in bytes) of the byte/word to read. | |
4153 | * @size: Size of data to read, 1=byte 2=word | |
4154 | * @data: The byte(s) to write to the NVM. | |
4155 | * | |
4156 | * Writes one/two bytes to the NVM using the flash access registers. | |
4157 | **/ | |
4158 | static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
4159 | u8 size, u16 data) | |
4160 | { | |
4161 | union ich8_hws_flash_status hsfsts; | |
4162 | union ich8_hws_flash_ctrl hsflctl; | |
4163 | u32 flash_linear_addr; | |
4164 | u32 flash_data = 0; | |
4165 | s32 ret_val; | |
4166 | u8 count = 0; | |
4167 | ||
c8744f44 | 4168 | if (hw->mac.type >= e1000_pch_spt) { |
79849ebc DE |
4169 | if (size != 4 || offset > ICH_FLASH_LINEAR_ADDR_MASK) |
4170 | return -E1000_ERR_NVM; | |
4171 | } else { | |
4172 | if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
4173 | return -E1000_ERR_NVM; | |
4174 | } | |
bc7f75fa | 4175 | |
f0ff4398 BA |
4176 | flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) + |
4177 | hw->nvm.flash_base_addr); | |
bc7f75fa AK |
4178 | |
4179 | do { | |
4180 | udelay(1); | |
4181 | /* Steps */ | |
4182 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
4183 | if (ret_val) | |
4184 | break; | |
79849ebc DE |
4185 | /* In SPT, This register is in Lan memory space, not |
4186 | * flash. Therefore, only 32 bit access is supported | |
4187 | */ | |
c8744f44 | 4188 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4189 | hsflctl.regval = er32flash(ICH_FLASH_HSFSTS) >> 16; |
4190 | else | |
4191 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
bc7f75fa | 4192 | |
bc7f75fa | 4193 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ |
362e20ca | 4194 | hsflctl.hsf_ctrl.fldbcount = size - 1; |
bc7f75fa | 4195 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; |
79849ebc DE |
4196 | /* In SPT, This register is in Lan memory space, |
4197 | * not flash. Therefore, only 32 bit access is | |
4198 | * supported | |
4199 | */ | |
c8744f44 | 4200 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4201 | ew32flash(ICH_FLASH_HSFSTS, hsflctl.regval << 16); |
4202 | else | |
4203 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
bc7f75fa AK |
4204 | |
4205 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
4206 | ||
4207 | if (size == 1) | |
4208 | flash_data = (u32)data & 0x00FF; | |
4209 | else | |
4210 | flash_data = (u32)data; | |
4211 | ||
4212 | ew32flash(ICH_FLASH_FDATA0, flash_data); | |
4213 | ||
e921eb1a | 4214 | /* check if FCERR is set to 1 , if set to 1, clear it |
ad68076e BA |
4215 | * and try the whole sequence a few more times else done |
4216 | */ | |
17e813ec BA |
4217 | ret_val = |
4218 | e1000_flash_cycle_ich8lan(hw, | |
4219 | ICH_FLASH_WRITE_COMMAND_TIMEOUT); | |
bc7f75fa AK |
4220 | if (!ret_val) |
4221 | break; | |
4222 | ||
e921eb1a | 4223 | /* If we're here, then things are most likely |
bc7f75fa AK |
4224 | * completely hosed, but if the error condition |
4225 | * is detected, it won't hurt to give it another | |
4226 | * try...ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
4227 | */ | |
4228 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
04499ec4 | 4229 | if (hsfsts.hsf_status.flcerr) |
bc7f75fa AK |
4230 | /* Repeat for some time before giving up. */ |
4231 | continue; | |
04499ec4 | 4232 | if (!hsfsts.hsf_status.flcdone) { |
434f1392 | 4233 | e_dbg("Timeout error - flash cycle did not complete.\n"); |
bc7f75fa AK |
4234 | break; |
4235 | } | |
4236 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
4237 | ||
4238 | return ret_val; | |
4239 | } | |
4240 | ||
79849ebc DE |
4241 | /** |
4242 | * e1000_write_flash_data32_ich8lan - Writes 4 bytes to the NVM | |
4243 | * @hw: pointer to the HW structure | |
4244 | * @offset: The offset (in bytes) of the dwords to read. | |
4245 | * @data: The 4 bytes to write to the NVM. | |
4246 | * | |
4247 | * Writes one/two/four bytes to the NVM using the flash access registers. | |
4248 | **/ | |
4249 | static s32 e1000_write_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset, | |
4250 | u32 data) | |
4251 | { | |
4252 | union ich8_hws_flash_status hsfsts; | |
4253 | union ich8_hws_flash_ctrl hsflctl; | |
4254 | u32 flash_linear_addr; | |
4255 | s32 ret_val; | |
4256 | u8 count = 0; | |
4257 | ||
c8744f44 | 4258 | if (hw->mac.type >= e1000_pch_spt) { |
79849ebc DE |
4259 | if (offset > ICH_FLASH_LINEAR_ADDR_MASK) |
4260 | return -E1000_ERR_NVM; | |
4261 | } | |
4262 | flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
4263 | hw->nvm.flash_base_addr); | |
4264 | do { | |
4265 | udelay(1); | |
4266 | /* Steps */ | |
4267 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
4268 | if (ret_val) | |
4269 | break; | |
4270 | ||
4271 | /* In SPT, This register is in Lan memory space, not | |
4272 | * flash. Therefore, only 32 bit access is supported | |
4273 | */ | |
c8744f44 | 4274 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4275 | hsflctl.regval = er32flash(ICH_FLASH_HSFSTS) |
4276 | >> 16; | |
4277 | else | |
4278 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
4279 | ||
4280 | hsflctl.hsf_ctrl.fldbcount = sizeof(u32) - 1; | |
4281 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; | |
4282 | ||
4283 | /* In SPT, This register is in Lan memory space, | |
4284 | * not flash. Therefore, only 32 bit access is | |
4285 | * supported | |
4286 | */ | |
c8744f44 | 4287 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4288 | ew32flash(ICH_FLASH_HSFSTS, hsflctl.regval << 16); |
4289 | else | |
4290 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
4291 | ||
4292 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
4293 | ||
4294 | ew32flash(ICH_FLASH_FDATA0, data); | |
4295 | ||
4296 | /* check if FCERR is set to 1 , if set to 1, clear it | |
4297 | * and try the whole sequence a few more times else done | |
4298 | */ | |
4299 | ret_val = | |
4300 | e1000_flash_cycle_ich8lan(hw, | |
4301 | ICH_FLASH_WRITE_COMMAND_TIMEOUT); | |
4302 | ||
4303 | if (!ret_val) | |
4304 | break; | |
4305 | ||
4306 | /* If we're here, then things are most likely | |
4307 | * completely hosed, but if the error condition | |
4308 | * is detected, it won't hurt to give it another | |
4309 | * try...ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
4310 | */ | |
4311 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
4312 | ||
4313 | if (hsfsts.hsf_status.flcerr) | |
4314 | /* Repeat for some time before giving up. */ | |
4315 | continue; | |
4316 | if (!hsfsts.hsf_status.flcdone) { | |
4317 | e_dbg("Timeout error - flash cycle did not complete.\n"); | |
4318 | break; | |
4319 | } | |
4320 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
4321 | ||
4322 | return ret_val; | |
4323 | } | |
4324 | ||
bc7f75fa AK |
4325 | /** |
4326 | * e1000_write_flash_byte_ich8lan - Write a single byte to NVM | |
4327 | * @hw: pointer to the HW structure | |
4328 | * @offset: The index of the byte to read. | |
4329 | * @data: The byte to write to the NVM. | |
4330 | * | |
4331 | * Writes a single byte to the NVM using the flash access registers. | |
4332 | **/ | |
4333 | static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
4334 | u8 data) | |
4335 | { | |
4336 | u16 word = (u16)data; | |
4337 | ||
4338 | return e1000_write_flash_data_ich8lan(hw, offset, 1, word); | |
4339 | } | |
4340 | ||
79849ebc DE |
4341 | /** |
4342 | * e1000_retry_write_flash_dword_ich8lan - Writes a dword to NVM | |
4343 | * @hw: pointer to the HW structure | |
4344 | * @offset: The offset of the word to write. | |
4345 | * @dword: The dword to write to the NVM. | |
4346 | * | |
4347 | * Writes a single dword to the NVM using the flash access registers. | |
4348 | * Goes through a retry algorithm before giving up. | |
4349 | **/ | |
4350 | static s32 e1000_retry_write_flash_dword_ich8lan(struct e1000_hw *hw, | |
4351 | u32 offset, u32 dword) | |
4352 | { | |
4353 | s32 ret_val; | |
4354 | u16 program_retries; | |
4355 | ||
4356 | /* Must convert word offset into bytes. */ | |
4357 | offset <<= 1; | |
4358 | ret_val = e1000_write_flash_data32_ich8lan(hw, offset, dword); | |
4359 | ||
4360 | if (!ret_val) | |
4361 | return ret_val; | |
4362 | for (program_retries = 0; program_retries < 100; program_retries++) { | |
4363 | e_dbg("Retrying Byte %8.8X at offset %u\n", dword, offset); | |
4364 | usleep_range(100, 200); | |
4365 | ret_val = e1000_write_flash_data32_ich8lan(hw, offset, dword); | |
4366 | if (!ret_val) | |
4367 | break; | |
4368 | } | |
4369 | if (program_retries == 100) | |
4370 | return -E1000_ERR_NVM; | |
4371 | ||
4372 | return 0; | |
4373 | } | |
4374 | ||
bc7f75fa AK |
4375 | /** |
4376 | * e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM | |
4377 | * @hw: pointer to the HW structure | |
4378 | * @offset: The offset of the byte to write. | |
4379 | * @byte: The byte to write to the NVM. | |
4380 | * | |
4381 | * Writes a single byte to the NVM using the flash access registers. | |
4382 | * Goes through a retry algorithm before giving up. | |
4383 | **/ | |
4384 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
4385 | u32 offset, u8 byte) | |
4386 | { | |
4387 | s32 ret_val; | |
4388 | u16 program_retries; | |
4389 | ||
4390 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
4391 | if (!ret_val) | |
4392 | return ret_val; | |
4393 | ||
4394 | for (program_retries = 0; program_retries < 100; program_retries++) { | |
3bb99fe2 | 4395 | e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset); |
ce43a216 | 4396 | usleep_range(100, 200); |
bc7f75fa AK |
4397 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); |
4398 | if (!ret_val) | |
4399 | break; | |
4400 | } | |
4401 | if (program_retries == 100) | |
4402 | return -E1000_ERR_NVM; | |
4403 | ||
4404 | return 0; | |
4405 | } | |
4406 | ||
4407 | /** | |
4408 | * e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM | |
4409 | * @hw: pointer to the HW structure | |
4410 | * @bank: 0 for first bank, 1 for second bank, etc. | |
4411 | * | |
4412 | * Erases the bank specified. Each bank is a 4k block. Banks are 0 based. | |
4413 | * bank N is 4096 * N + flash_reg_addr. | |
4414 | **/ | |
4415 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) | |
4416 | { | |
4417 | struct e1000_nvm_info *nvm = &hw->nvm; | |
4418 | union ich8_hws_flash_status hsfsts; | |
4419 | union ich8_hws_flash_ctrl hsflctl; | |
4420 | u32 flash_linear_addr; | |
4421 | /* bank size is in 16bit words - adjust to bytes */ | |
4422 | u32 flash_bank_size = nvm->flash_bank_size * 2; | |
4423 | s32 ret_val; | |
4424 | s32 count = 0; | |
a708dd88 | 4425 | s32 j, iteration, sector_size; |
bc7f75fa AK |
4426 | |
4427 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
4428 | ||
e921eb1a | 4429 | /* Determine HW Sector size: Read BERASE bits of hw flash status |
ad68076e BA |
4430 | * register |
4431 | * 00: The Hw sector is 256 bytes, hence we need to erase 16 | |
bc7f75fa AK |
4432 | * consecutive sectors. The start index for the nth Hw sector |
4433 | * can be calculated as = bank * 4096 + n * 256 | |
4434 | * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector. | |
4435 | * The start index for the nth Hw sector can be calculated | |
4436 | * as = bank * 4096 | |
4437 | * 10: The Hw sector is 8K bytes, nth sector = bank * 8192 | |
4438 | * (ich9 only, otherwise error condition) | |
4439 | * 11: The Hw sector is 64K bytes, nth sector = bank * 65536 | |
4440 | */ | |
4441 | switch (hsfsts.hsf_status.berasesz) { | |
4442 | case 0: | |
4443 | /* Hw sector size 256 */ | |
4444 | sector_size = ICH_FLASH_SEG_SIZE_256; | |
4445 | iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256; | |
4446 | break; | |
4447 | case 1: | |
4448 | sector_size = ICH_FLASH_SEG_SIZE_4K; | |
28c9195a | 4449 | iteration = 1; |
bc7f75fa AK |
4450 | break; |
4451 | case 2: | |
148675a7 BA |
4452 | sector_size = ICH_FLASH_SEG_SIZE_8K; |
4453 | iteration = 1; | |
bc7f75fa AK |
4454 | break; |
4455 | case 3: | |
4456 | sector_size = ICH_FLASH_SEG_SIZE_64K; | |
28c9195a | 4457 | iteration = 1; |
bc7f75fa AK |
4458 | break; |
4459 | default: | |
4460 | return -E1000_ERR_NVM; | |
4461 | } | |
4462 | ||
4463 | /* Start with the base address, then add the sector offset. */ | |
4464 | flash_linear_addr = hw->nvm.flash_base_addr; | |
148675a7 | 4465 | flash_linear_addr += (bank) ? flash_bank_size : 0; |
bc7f75fa | 4466 | |
53aa82da | 4467 | for (j = 0; j < iteration; j++) { |
bc7f75fa | 4468 | do { |
17e813ec BA |
4469 | u32 timeout = ICH_FLASH_ERASE_COMMAND_TIMEOUT; |
4470 | ||
bc7f75fa AK |
4471 | /* Steps */ |
4472 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
4473 | if (ret_val) | |
4474 | return ret_val; | |
4475 | ||
e921eb1a | 4476 | /* Write a value 11 (block Erase) in Flash |
ad68076e BA |
4477 | * Cycle field in hw flash control |
4478 | */ | |
c8744f44 | 4479 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4480 | hsflctl.regval = |
4481 | er32flash(ICH_FLASH_HSFSTS) >> 16; | |
4482 | else | |
4483 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
4484 | ||
bc7f75fa | 4485 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE; |
c8744f44 | 4486 | if (hw->mac.type >= e1000_pch_spt) |
79849ebc DE |
4487 | ew32flash(ICH_FLASH_HSFSTS, |
4488 | hsflctl.regval << 16); | |
4489 | else | |
4490 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
bc7f75fa | 4491 | |
e921eb1a | 4492 | /* Write the last 24 bits of an index within the |
bc7f75fa AK |
4493 | * block into Flash Linear address field in Flash |
4494 | * Address. | |
4495 | */ | |
4496 | flash_linear_addr += (j * sector_size); | |
4497 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
4498 | ||
17e813ec | 4499 | ret_val = e1000_flash_cycle_ich8lan(hw, timeout); |
9e2d7657 | 4500 | if (!ret_val) |
bc7f75fa AK |
4501 | break; |
4502 | ||
e921eb1a | 4503 | /* Check if FCERR is set to 1. If 1, |
bc7f75fa | 4504 | * clear it and try the whole sequence |
ad68076e BA |
4505 | * a few more times else Done |
4506 | */ | |
bc7f75fa | 4507 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); |
04499ec4 | 4508 | if (hsfsts.hsf_status.flcerr) |
ad68076e | 4509 | /* repeat for some time before giving up */ |
bc7f75fa | 4510 | continue; |
04499ec4 | 4511 | else if (!hsfsts.hsf_status.flcdone) |
bc7f75fa AK |
4512 | return ret_val; |
4513 | } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
4514 | } | |
4515 | ||
4516 | return 0; | |
4517 | } | |
4518 | ||
4519 | /** | |
4520 | * e1000_valid_led_default_ich8lan - Set the default LED settings | |
4521 | * @hw: pointer to the HW structure | |
4522 | * @data: Pointer to the LED settings | |
4523 | * | |
4524 | * Reads the LED default settings from the NVM to data. If the NVM LED | |
4525 | * settings is all 0's or F's, set the LED default to a valid LED default | |
4526 | * setting. | |
4527 | **/ | |
4528 | static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data) | |
4529 | { | |
4530 | s32 ret_val; | |
4531 | ||
4532 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); | |
4533 | if (ret_val) { | |
3bb99fe2 | 4534 | e_dbg("NVM Read Error\n"); |
bc7f75fa AK |
4535 | return ret_val; |
4536 | } | |
4537 | ||
e5fe2541 | 4538 | if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) |
bc7f75fa AK |
4539 | *data = ID_LED_DEFAULT_ICH8LAN; |
4540 | ||
4541 | return 0; | |
4542 | } | |
4543 | ||
a4f58f54 BA |
4544 | /** |
4545 | * e1000_id_led_init_pchlan - store LED configurations | |
4546 | * @hw: pointer to the HW structure | |
4547 | * | |
4548 | * PCH does not control LEDs via the LEDCTL register, rather it uses | |
4549 | * the PHY LED configuration register. | |
4550 | * | |
4551 | * PCH also does not have an "always on" or "always off" mode which | |
4552 | * complicates the ID feature. Instead of using the "on" mode to indicate | |
d1964eb1 | 4553 | * in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init_generic()), |
a4f58f54 BA |
4554 | * use "link_up" mode. The LEDs will still ID on request if there is no |
4555 | * link based on logic in e1000_led_[on|off]_pchlan(). | |
4556 | **/ | |
4557 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) | |
4558 | { | |
4559 | struct e1000_mac_info *mac = &hw->mac; | |
4560 | s32 ret_val; | |
4561 | const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP; | |
4562 | const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT; | |
4563 | u16 data, i, temp, shift; | |
4564 | ||
4565 | /* Get default ID LED modes */ | |
4566 | ret_val = hw->nvm.ops.valid_led_default(hw, &data); | |
4567 | if (ret_val) | |
5015e53a | 4568 | return ret_val; |
a4f58f54 BA |
4569 | |
4570 | mac->ledctl_default = er32(LEDCTL); | |
4571 | mac->ledctl_mode1 = mac->ledctl_default; | |
4572 | mac->ledctl_mode2 = mac->ledctl_default; | |
4573 | ||
4574 | for (i = 0; i < 4; i++) { | |
4575 | temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK; | |
4576 | shift = (i * 5); | |
4577 | switch (temp) { | |
4578 | case ID_LED_ON1_DEF2: | |
4579 | case ID_LED_ON1_ON2: | |
4580 | case ID_LED_ON1_OFF2: | |
4581 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
4582 | mac->ledctl_mode1 |= (ledctl_on << shift); | |
4583 | break; | |
4584 | case ID_LED_OFF1_DEF2: | |
4585 | case ID_LED_OFF1_ON2: | |
4586 | case ID_LED_OFF1_OFF2: | |
4587 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
4588 | mac->ledctl_mode1 |= (ledctl_off << shift); | |
4589 | break; | |
4590 | default: | |
4591 | /* Do nothing */ | |
4592 | break; | |
4593 | } | |
4594 | switch (temp) { | |
4595 | case ID_LED_DEF1_ON2: | |
4596 | case ID_LED_ON1_ON2: | |
4597 | case ID_LED_OFF1_ON2: | |
4598 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
4599 | mac->ledctl_mode2 |= (ledctl_on << shift); | |
4600 | break; | |
4601 | case ID_LED_DEF1_OFF2: | |
4602 | case ID_LED_ON1_OFF2: | |
4603 | case ID_LED_OFF1_OFF2: | |
4604 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
4605 | mac->ledctl_mode2 |= (ledctl_off << shift); | |
4606 | break; | |
4607 | default: | |
4608 | /* Do nothing */ | |
4609 | break; | |
4610 | } | |
4611 | } | |
4612 | ||
5015e53a | 4613 | return 0; |
a4f58f54 BA |
4614 | } |
4615 | ||
bc7f75fa AK |
4616 | /** |
4617 | * e1000_get_bus_info_ich8lan - Get/Set the bus type and width | |
4618 | * @hw: pointer to the HW structure | |
4619 | * | |
4620 | * ICH8 use the PCI Express bus, but does not contain a PCI Express Capability | |
4621 | * register, so the the bus width is hard coded. | |
4622 | **/ | |
4623 | static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) | |
4624 | { | |
4625 | struct e1000_bus_info *bus = &hw->bus; | |
4626 | s32 ret_val; | |
4627 | ||
4628 | ret_val = e1000e_get_bus_info_pcie(hw); | |
4629 | ||
e921eb1a | 4630 | /* ICH devices are "PCI Express"-ish. They have |
bc7f75fa AK |
4631 | * a configuration space, but do not contain |
4632 | * PCI Express Capability registers, so bus width | |
4633 | * must be hardcoded. | |
4634 | */ | |
4635 | if (bus->width == e1000_bus_width_unknown) | |
4636 | bus->width = e1000_bus_width_pcie_x1; | |
4637 | ||
4638 | return ret_val; | |
4639 | } | |
4640 | ||
4641 | /** | |
4642 | * e1000_reset_hw_ich8lan - Reset the hardware | |
4643 | * @hw: pointer to the HW structure | |
4644 | * | |
4645 | * Does a full reset of the hardware which includes a reset of the PHY and | |
4646 | * MAC. | |
4647 | **/ | |
4648 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |
4649 | { | |
1d5846b9 | 4650 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
62bc813e BA |
4651 | u16 kum_cfg; |
4652 | u32 ctrl, reg; | |
bc7f75fa AK |
4653 | s32 ret_val; |
4654 | ||
e921eb1a | 4655 | /* Prevent the PCI-E bus from sticking if there is no TLP connection |
bc7f75fa AK |
4656 | * on the last TLP read/write transaction when MAC is reset. |
4657 | */ | |
4658 | ret_val = e1000e_disable_pcie_master(hw); | |
e98cac44 | 4659 | if (ret_val) |
3bb99fe2 | 4660 | e_dbg("PCI-E Master disable polling has failed.\n"); |
bc7f75fa | 4661 | |
3bb99fe2 | 4662 | e_dbg("Masking off all interrupts\n"); |
bc7f75fa AK |
4663 | ew32(IMC, 0xffffffff); |
4664 | ||
e921eb1a | 4665 | /* Disable the Transmit and Receive units. Then delay to allow |
bc7f75fa AK |
4666 | * any pending transactions to complete before we hit the MAC |
4667 | * with the global reset. | |
4668 | */ | |
4669 | ew32(RCTL, 0); | |
4670 | ew32(TCTL, E1000_TCTL_PSP); | |
4671 | e1e_flush(); | |
4672 | ||
1bba4386 | 4673 | usleep_range(10000, 20000); |
bc7f75fa AK |
4674 | |
4675 | /* Workaround for ICH8 bit corruption issue in FIFO memory */ | |
4676 | if (hw->mac.type == e1000_ich8lan) { | |
4677 | /* Set Tx and Rx buffer allocation to 8k apiece. */ | |
4678 | ew32(PBA, E1000_PBA_8K); | |
4679 | /* Set Packet Buffer Size to 16k. */ | |
4680 | ew32(PBS, E1000_PBS_16K); | |
4681 | } | |
4682 | ||
1d5846b9 | 4683 | if (hw->mac.type == e1000_pchlan) { |
62bc813e BA |
4684 | /* Save the NVM K1 bit setting */ |
4685 | ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, &kum_cfg); | |
1d5846b9 BA |
4686 | if (ret_val) |
4687 | return ret_val; | |
4688 | ||
62bc813e | 4689 | if (kum_cfg & E1000_NVM_K1_ENABLE) |
1d5846b9 BA |
4690 | dev_spec->nvm_k1_enabled = true; |
4691 | else | |
4692 | dev_spec->nvm_k1_enabled = false; | |
4693 | } | |
4694 | ||
bc7f75fa AK |
4695 | ctrl = er32(CTRL); |
4696 | ||
44abd5c1 | 4697 | if (!hw->phy.ops.check_reset_block(hw)) { |
e921eb1a | 4698 | /* Full-chip reset requires MAC and PHY reset at the same |
bc7f75fa AK |
4699 | * time to make sure the interface between MAC and the |
4700 | * external PHY is reset. | |
4701 | */ | |
4702 | ctrl |= E1000_CTRL_PHY_RST; | |
605c82ba | 4703 | |
e921eb1a | 4704 | /* Gate automatic PHY configuration by hardware on |
605c82ba BA |
4705 | * non-managed 82579 |
4706 | */ | |
4707 | if ((hw->mac.type == e1000_pch2lan) && | |
4708 | !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
4709 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
bc7f75fa AK |
4710 | } |
4711 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
3bb99fe2 | 4712 | e_dbg("Issuing a global reset to ich8lan\n"); |
bc7f75fa | 4713 | ew32(CTRL, (ctrl | E1000_CTRL_RST)); |
945a5151 | 4714 | /* cannot issue a flush here because it hangs the hardware */ |
bc7f75fa AK |
4715 | msleep(20); |
4716 | ||
62bc813e BA |
4717 | /* Set Phy Config Counter to 50msec */ |
4718 | if (hw->mac.type == e1000_pch2lan) { | |
4719 | reg = er32(FEXTNVM3); | |
4720 | reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK; | |
4721 | reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC; | |
4722 | ew32(FEXTNVM3, reg); | |
4723 | } | |
4724 | ||
fc0c7760 | 4725 | if (!ret_val) |
a90b412c | 4726 | clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state); |
37f40239 | 4727 | |
e98cac44 | 4728 | if (ctrl & E1000_CTRL_PHY_RST) { |
fc0c7760 | 4729 | ret_val = hw->phy.ops.get_cfg_done(hw); |
e98cac44 | 4730 | if (ret_val) |
5015e53a | 4731 | return ret_val; |
fc0c7760 | 4732 | |
e98cac44 | 4733 | ret_val = e1000_post_phy_reset_ich8lan(hw); |
f523d211 | 4734 | if (ret_val) |
5015e53a | 4735 | return ret_val; |
f523d211 | 4736 | } |
e98cac44 | 4737 | |
e921eb1a | 4738 | /* For PCH, this write will make sure that any noise |
7d3cabbc BA |
4739 | * will be detected as a CRC error and be dropped rather than show up |
4740 | * as a bad packet to the DMA engine. | |
4741 | */ | |
4742 | if (hw->mac.type == e1000_pchlan) | |
4743 | ew32(CRC_OFFSET, 0x65656565); | |
4744 | ||
bc7f75fa | 4745 | ew32(IMC, 0xffffffff); |
dd93f95e | 4746 | er32(ICR); |
bc7f75fa | 4747 | |
62bc813e BA |
4748 | reg = er32(KABGTXD); |
4749 | reg |= E1000_KABGTXD_BGSQLBIAS; | |
4750 | ew32(KABGTXD, reg); | |
bc7f75fa | 4751 | |
5015e53a | 4752 | return 0; |
bc7f75fa AK |
4753 | } |
4754 | ||
4755 | /** | |
4756 | * e1000_init_hw_ich8lan - Initialize the hardware | |
4757 | * @hw: pointer to the HW structure | |
4758 | * | |
4759 | * Prepares the hardware for transmit and receive by doing the following: | |
4760 | * - initialize hardware bits | |
4761 | * - initialize LED identification | |
4762 | * - setup receive address registers | |
4763 | * - setup flow control | |
489815ce | 4764 | * - setup transmit descriptors |
bc7f75fa AK |
4765 | * - clear statistics |
4766 | **/ | |
4767 | static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) | |
4768 | { | |
4769 | struct e1000_mac_info *mac = &hw->mac; | |
4770 | u32 ctrl_ext, txdctl, snoop; | |
4771 | s32 ret_val; | |
4772 | u16 i; | |
4773 | ||
4774 | e1000_initialize_hw_bits_ich8lan(hw); | |
4775 | ||
4776 | /* Initialize identification LED */ | |
a4f58f54 | 4777 | ret_val = mac->ops.id_led_init(hw); |
33550cec | 4778 | /* An error is not fatal and we should not stop init due to this */ |
de39b752 | 4779 | if (ret_val) |
3bb99fe2 | 4780 | e_dbg("Error initializing identification LED\n"); |
bc7f75fa AK |
4781 | |
4782 | /* Setup the receive address. */ | |
4783 | e1000e_init_rx_addrs(hw, mac->rar_entry_count); | |
4784 | ||
4785 | /* Zero out the Multicast HASH table */ | |
3bb99fe2 | 4786 | e_dbg("Zeroing the MTA\n"); |
bc7f75fa AK |
4787 | for (i = 0; i < mac->mta_reg_count; i++) |
4788 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); | |
4789 | ||
e921eb1a | 4790 | /* The 82578 Rx buffer will stall if wakeup is enabled in host and |
3ebfc7c9 | 4791 | * the ME. Disable wakeup by clearing the host wakeup bit. |
fc0c7760 BA |
4792 | * Reset the phy after disabling host wakeup to reset the Rx buffer. |
4793 | */ | |
4794 | if (hw->phy.type == e1000_phy_82578) { | |
3ebfc7c9 BA |
4795 | e1e_rphy(hw, BM_PORT_GEN_CFG, &i); |
4796 | i &= ~BM_WUC_HOST_WU_BIT; | |
4797 | e1e_wphy(hw, BM_PORT_GEN_CFG, i); | |
fc0c7760 BA |
4798 | ret_val = e1000_phy_hw_reset_ich8lan(hw); |
4799 | if (ret_val) | |
4800 | return ret_val; | |
4801 | } | |
4802 | ||
bc7f75fa | 4803 | /* Setup link and flow control */ |
1a46b40f | 4804 | ret_val = mac->ops.setup_link(hw); |
bc7f75fa AK |
4805 | |
4806 | /* Set the transmit descriptor write-back policy for both queues */ | |
e9ec2c0f | 4807 | txdctl = er32(TXDCTL(0)); |
f0ff4398 BA |
4808 | txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) | |
4809 | E1000_TXDCTL_FULL_TX_DESC_WB); | |
4810 | txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) | | |
4811 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH); | |
e9ec2c0f JK |
4812 | ew32(TXDCTL(0), txdctl); |
4813 | txdctl = er32(TXDCTL(1)); | |
f0ff4398 BA |
4814 | txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) | |
4815 | E1000_TXDCTL_FULL_TX_DESC_WB); | |
4816 | txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) | | |
4817 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH); | |
e9ec2c0f | 4818 | ew32(TXDCTL(1), txdctl); |
bc7f75fa | 4819 | |
e921eb1a | 4820 | /* ICH8 has opposite polarity of no_snoop bits. |
ad68076e BA |
4821 | * By default, we should use snoop behavior. |
4822 | */ | |
bc7f75fa AK |
4823 | if (mac->type == e1000_ich8lan) |
4824 | snoop = PCIE_ICH8_SNOOP_ALL; | |
4825 | else | |
53aa82da | 4826 | snoop = (u32)~(PCIE_NO_SNOOP_ALL); |
bc7f75fa AK |
4827 | e1000e_set_pcie_no_snoop(hw, snoop); |
4828 | ||
4829 | ctrl_ext = er32(CTRL_EXT); | |
4830 | ctrl_ext |= E1000_CTRL_EXT_RO_DIS; | |
4831 | ew32(CTRL_EXT, ctrl_ext); | |
4832 | ||
e921eb1a | 4833 | /* Clear all of the statistics registers (clear on read). It is |
bc7f75fa AK |
4834 | * important that we do this after we have tried to establish link |
4835 | * because the symbol error count will increment wildly if there | |
4836 | * is no link. | |
4837 | */ | |
4838 | e1000_clear_hw_cntrs_ich8lan(hw); | |
4839 | ||
e561a705 | 4840 | return ret_val; |
bc7f75fa | 4841 | } |
fc830b78 | 4842 | |
bc7f75fa AK |
4843 | /** |
4844 | * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits | |
4845 | * @hw: pointer to the HW structure | |
4846 | * | |
4847 | * Sets/Clears required hardware bits necessary for correctly setting up the | |
4848 | * hardware for transmit and receive. | |
4849 | **/ | |
4850 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) | |
4851 | { | |
4852 | u32 reg; | |
4853 | ||
4854 | /* Extended Device Control */ | |
4855 | reg = er32(CTRL_EXT); | |
18dd2392 | 4856 | reg |= BIT(22); |
a4f58f54 BA |
4857 | /* Enable PHY low-power state when MAC is at D3 w/o WoL */ |
4858 | if (hw->mac.type >= e1000_pchlan) | |
4859 | reg |= E1000_CTRL_EXT_PHYPDEN; | |
bc7f75fa AK |
4860 | ew32(CTRL_EXT, reg); |
4861 | ||
4862 | /* Transmit Descriptor Control 0 */ | |
e9ec2c0f | 4863 | reg = er32(TXDCTL(0)); |
18dd2392 | 4864 | reg |= BIT(22); |
e9ec2c0f | 4865 | ew32(TXDCTL(0), reg); |
bc7f75fa AK |
4866 | |
4867 | /* Transmit Descriptor Control 1 */ | |
e9ec2c0f | 4868 | reg = er32(TXDCTL(1)); |
18dd2392 | 4869 | reg |= BIT(22); |
e9ec2c0f | 4870 | ew32(TXDCTL(1), reg); |
bc7f75fa AK |
4871 | |
4872 | /* Transmit Arbitration Control 0 */ | |
e9ec2c0f | 4873 | reg = er32(TARC(0)); |
bc7f75fa | 4874 | if (hw->mac.type == e1000_ich8lan) |
18dd2392 JK |
4875 | reg |= BIT(28) | BIT(29); |
4876 | reg |= BIT(23) | BIT(24) | BIT(26) | BIT(27); | |
e9ec2c0f | 4877 | ew32(TARC(0), reg); |
bc7f75fa AK |
4878 | |
4879 | /* Transmit Arbitration Control 1 */ | |
e9ec2c0f | 4880 | reg = er32(TARC(1)); |
bc7f75fa | 4881 | if (er32(TCTL) & E1000_TCTL_MULR) |
18dd2392 | 4882 | reg &= ~BIT(28); |
bc7f75fa | 4883 | else |
18dd2392 JK |
4884 | reg |= BIT(28); |
4885 | reg |= BIT(24) | BIT(26) | BIT(30); | |
e9ec2c0f | 4886 | ew32(TARC(1), reg); |
bc7f75fa AK |
4887 | |
4888 | /* Device Status */ | |
4889 | if (hw->mac.type == e1000_ich8lan) { | |
4890 | reg = er32(STATUS); | |
18dd2392 | 4891 | reg &= ~BIT(31); |
bc7f75fa AK |
4892 | ew32(STATUS, reg); |
4893 | } | |
a80483d3 | 4894 | |
e921eb1a | 4895 | /* work-around descriptor data corruption issue during nfs v2 udp |
a80483d3 JB |
4896 | * traffic, just disable the nfs filtering capability |
4897 | */ | |
4898 | reg = er32(RFCTL); | |
4899 | reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS); | |
f6bd5577 | 4900 | |
e921eb1a | 4901 | /* Disable IPv6 extension header parsing because some malformed |
f6bd5577 MV |
4902 | * IPv6 headers can hang the Rx. |
4903 | */ | |
4904 | if (hw->mac.type == e1000_ich8lan) | |
4905 | reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS); | |
a80483d3 | 4906 | ew32(RFCTL, reg); |
94fb848b BA |
4907 | |
4908 | /* Enable ECC on Lynxpoint */ | |
c8744f44 | 4909 | if (hw->mac.type >= e1000_pch_lpt) { |
94fb848b BA |
4910 | reg = er32(PBECCSTS); |
4911 | reg |= E1000_PBECCSTS_ECC_ENABLE; | |
4912 | ew32(PBECCSTS, reg); | |
4913 | ||
4914 | reg = er32(CTRL); | |
4915 | reg |= E1000_CTRL_MEHE; | |
4916 | ew32(CTRL, reg); | |
4917 | } | |
bc7f75fa AK |
4918 | } |
4919 | ||
4920 | /** | |
4921 | * e1000_setup_link_ich8lan - Setup flow control and link settings | |
4922 | * @hw: pointer to the HW structure | |
4923 | * | |
4924 | * Determines which flow control settings to use, then configures flow | |
4925 | * control. Calls the appropriate media-specific link configuration | |
4926 | * function. Assuming the adapter has a valid link partner, a valid link | |
4927 | * should be established. Assumes the hardware has previously been reset | |
4928 | * and the transmitter and receiver are not enabled. | |
4929 | **/ | |
4930 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) | |
4931 | { | |
bc7f75fa AK |
4932 | s32 ret_val; |
4933 | ||
44abd5c1 | 4934 | if (hw->phy.ops.check_reset_block(hw)) |
bc7f75fa AK |
4935 | return 0; |
4936 | ||
e921eb1a | 4937 | /* ICH parts do not have a word in the NVM to determine |
bc7f75fa AK |
4938 | * the default flow control setting, so we explicitly |
4939 | * set it to full. | |
4940 | */ | |
37289d9c BA |
4941 | if (hw->fc.requested_mode == e1000_fc_default) { |
4942 | /* Workaround h/w hang when Tx flow control enabled */ | |
4943 | if (hw->mac.type == e1000_pchlan) | |
4944 | hw->fc.requested_mode = e1000_fc_rx_pause; | |
4945 | else | |
4946 | hw->fc.requested_mode = e1000_fc_full; | |
4947 | } | |
bc7f75fa | 4948 | |
e921eb1a | 4949 | /* Save off the requested flow control mode for use later. Depending |
5c48ef3e BA |
4950 | * on the link partner's capabilities, we may or may not use this mode. |
4951 | */ | |
4952 | hw->fc.current_mode = hw->fc.requested_mode; | |
bc7f75fa | 4953 | |
17e813ec | 4954 | e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode); |
bc7f75fa AK |
4955 | |
4956 | /* Continue to configure the copper link. */ | |
944ce011 | 4957 | ret_val = hw->mac.ops.setup_physical_interface(hw); |
bc7f75fa AK |
4958 | if (ret_val) |
4959 | return ret_val; | |
4960 | ||
318a94d6 | 4961 | ew32(FCTTV, hw->fc.pause_time); |
a4f58f54 | 4962 | if ((hw->phy.type == e1000_phy_82578) || |
d3738bb8 | 4963 | (hw->phy.type == e1000_phy_82579) || |
2fbe4526 | 4964 | (hw->phy.type == e1000_phy_i217) || |
a4f58f54 | 4965 | (hw->phy.type == e1000_phy_82577)) { |
a305595b BA |
4966 | ew32(FCRTV_PCH, hw->fc.refresh_time); |
4967 | ||
482fed85 BA |
4968 | ret_val = e1e_wphy(hw, PHY_REG(BM_PORT_CTRL_PAGE, 27), |
4969 | hw->fc.pause_time); | |
a4f58f54 BA |
4970 | if (ret_val) |
4971 | return ret_val; | |
4972 | } | |
bc7f75fa AK |
4973 | |
4974 | return e1000e_set_fc_watermarks(hw); | |
4975 | } | |
4976 | ||
4977 | /** | |
4978 | * e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface | |
4979 | * @hw: pointer to the HW structure | |
4980 | * | |
4981 | * Configures the kumeran interface to the PHY to wait the appropriate time | |
4982 | * when polling the PHY, then call the generic setup_copper_link to finish | |
4983 | * configuring the copper link. | |
4984 | **/ | |
4985 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) | |
4986 | { | |
4987 | u32 ctrl; | |
4988 | s32 ret_val; | |
4989 | u16 reg_data; | |
4990 | ||
4991 | ctrl = er32(CTRL); | |
4992 | ctrl |= E1000_CTRL_SLU; | |
4993 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); | |
4994 | ew32(CTRL, ctrl); | |
4995 | ||
e921eb1a | 4996 | /* Set the mac to wait the maximum time between each iteration |
bc7f75fa | 4997 | * and increase the max iterations when polling the phy; |
ad68076e BA |
4998 | * this fixes erroneous timeouts at 10Mbps. |
4999 | */ | |
07818950 | 5000 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF); |
bc7f75fa AK |
5001 | if (ret_val) |
5002 | return ret_val; | |
07818950 | 5003 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
f0ff4398 | 5004 | ®_data); |
bc7f75fa AK |
5005 | if (ret_val) |
5006 | return ret_val; | |
5007 | reg_data |= 0x3F; | |
07818950 | 5008 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
f0ff4398 | 5009 | reg_data); |
bc7f75fa AK |
5010 | if (ret_val) |
5011 | return ret_val; | |
5012 | ||
a4f58f54 BA |
5013 | switch (hw->phy.type) { |
5014 | case e1000_phy_igp_3: | |
bc7f75fa AK |
5015 | ret_val = e1000e_copper_link_setup_igp(hw); |
5016 | if (ret_val) | |
5017 | return ret_val; | |
a4f58f54 BA |
5018 | break; |
5019 | case e1000_phy_bm: | |
5020 | case e1000_phy_82578: | |
97ac8cae BA |
5021 | ret_val = e1000e_copper_link_setup_m88(hw); |
5022 | if (ret_val) | |
5023 | return ret_val; | |
a4f58f54 BA |
5024 | break; |
5025 | case e1000_phy_82577: | |
d3738bb8 | 5026 | case e1000_phy_82579: |
a4f58f54 BA |
5027 | ret_val = e1000_copper_link_setup_82577(hw); |
5028 | if (ret_val) | |
5029 | return ret_val; | |
5030 | break; | |
5031 | case e1000_phy_ife: | |
482fed85 | 5032 | ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, ®_data); |
97ac8cae BA |
5033 | if (ret_val) |
5034 | return ret_val; | |
5035 | ||
5036 | reg_data &= ~IFE_PMC_AUTO_MDIX; | |
5037 | ||
5038 | switch (hw->phy.mdix) { | |
5039 | case 1: | |
5040 | reg_data &= ~IFE_PMC_FORCE_MDIX; | |
5041 | break; | |
5042 | case 2: | |
5043 | reg_data |= IFE_PMC_FORCE_MDIX; | |
5044 | break; | |
5045 | case 0: | |
5046 | default: | |
5047 | reg_data |= IFE_PMC_AUTO_MDIX; | |
5048 | break; | |
5049 | } | |
482fed85 | 5050 | ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data); |
97ac8cae BA |
5051 | if (ret_val) |
5052 | return ret_val; | |
a4f58f54 BA |
5053 | break; |
5054 | default: | |
5055 | break; | |
97ac8cae | 5056 | } |
3fa82936 | 5057 | |
bc7f75fa AK |
5058 | return e1000e_setup_copper_link(hw); |
5059 | } | |
5060 | ||
ea8179a7 BA |
5061 | /** |
5062 | * e1000_setup_copper_link_pch_lpt - Configure MAC/PHY interface | |
5063 | * @hw: pointer to the HW structure | |
5064 | * | |
5065 | * Calls the PHY specific link setup function and then calls the | |
5066 | * generic setup_copper_link to finish configuring the link for | |
5067 | * Lynxpoint PCH devices | |
5068 | **/ | |
5069 | static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw) | |
5070 | { | |
5071 | u32 ctrl; | |
5072 | s32 ret_val; | |
5073 | ||
5074 | ctrl = er32(CTRL); | |
5075 | ctrl |= E1000_CTRL_SLU; | |
5076 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); | |
5077 | ew32(CTRL, ctrl); | |
5078 | ||
5079 | ret_val = e1000_copper_link_setup_82577(hw); | |
5080 | if (ret_val) | |
5081 | return ret_val; | |
5082 | ||
5083 | return e1000e_setup_copper_link(hw); | |
5084 | } | |
5085 | ||
bc7f75fa AK |
5086 | /** |
5087 | * e1000_get_link_up_info_ich8lan - Get current link speed and duplex | |
5088 | * @hw: pointer to the HW structure | |
5089 | * @speed: pointer to store current link speed | |
5090 | * @duplex: pointer to store the current link duplex | |
5091 | * | |
ad68076e | 5092 | * Calls the generic get_speed_and_duplex to retrieve the current link |
bc7f75fa AK |
5093 | * information and then calls the Kumeran lock loss workaround for links at |
5094 | * gigabit speeds. | |
5095 | **/ | |
5096 | static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, | |
5097 | u16 *duplex) | |
5098 | { | |
5099 | s32 ret_val; | |
5100 | ||
5101 | ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex); | |
5102 | if (ret_val) | |
5103 | return ret_val; | |
5104 | ||
5105 | if ((hw->mac.type == e1000_ich8lan) && | |
e5fe2541 | 5106 | (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) { |
bc7f75fa AK |
5107 | ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw); |
5108 | } | |
5109 | ||
5110 | return ret_val; | |
5111 | } | |
5112 | ||
5113 | /** | |
5114 | * e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround | |
5115 | * @hw: pointer to the HW structure | |
5116 | * | |
5117 | * Work-around for 82566 Kumeran PCS lock loss: | |
5118 | * On link status change (i.e. PCI reset, speed change) and link is up and | |
5119 | * speed is gigabit- | |
5120 | * 0) if workaround is optionally disabled do nothing | |
5121 | * 1) wait 1ms for Kumeran link to come up | |
5122 | * 2) check Kumeran Diagnostic register PCS lock loss bit | |
5123 | * 3) if not set the link is locked (all is good), otherwise... | |
5124 | * 4) reset the PHY | |
5125 | * 5) repeat up to 10 times | |
5126 | * Note: this is only called for IGP3 copper when speed is 1gb. | |
5127 | **/ | |
5128 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) | |
5129 | { | |
5130 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
5131 | u32 phy_ctrl; | |
5132 | s32 ret_val; | |
5133 | u16 i, data; | |
5134 | bool link; | |
5135 | ||
5136 | if (!dev_spec->kmrn_lock_loss_workaround_enabled) | |
5137 | return 0; | |
5138 | ||
e921eb1a | 5139 | /* Make sure link is up before proceeding. If not just return. |
bc7f75fa | 5140 | * Attempting this while link is negotiating fouled up link |
ad68076e BA |
5141 | * stability |
5142 | */ | |
bc7f75fa AK |
5143 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
5144 | if (!link) | |
5145 | return 0; | |
5146 | ||
5147 | for (i = 0; i < 10; i++) { | |
5148 | /* read once to clear */ | |
5149 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
5150 | if (ret_val) | |
5151 | return ret_val; | |
5152 | /* and again to get new status */ | |
5153 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
5154 | if (ret_val) | |
5155 | return ret_val; | |
5156 | ||
5157 | /* check for PCS lock */ | |
5158 | if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS)) | |
5159 | return 0; | |
5160 | ||
5161 | /* Issue PHY reset */ | |
5162 | e1000_phy_hw_reset(hw); | |
5163 | mdelay(5); | |
5164 | } | |
5165 | /* Disable GigE link negotiation */ | |
5166 | phy_ctrl = er32(PHY_CTRL); | |
5167 | phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE | | |
5168 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
5169 | ew32(PHY_CTRL, phy_ctrl); | |
5170 | ||
e921eb1a | 5171 | /* Call gig speed drop workaround on Gig disable before accessing |
ad68076e BA |
5172 | * any PHY registers |
5173 | */ | |
bc7f75fa AK |
5174 | e1000e_gig_downshift_workaround_ich8lan(hw); |
5175 | ||
5176 | /* unable to acquire PCS lock */ | |
5177 | return -E1000_ERR_PHY; | |
5178 | } | |
5179 | ||
5180 | /** | |
6e3c8075 | 5181 | * e1000e_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state |
bc7f75fa | 5182 | * @hw: pointer to the HW structure |
489815ce | 5183 | * @state: boolean value used to set the current Kumeran workaround state |
bc7f75fa | 5184 | * |
564ea9bb BA |
5185 | * If ICH8, set the current Kumeran workaround state (enabled - true |
5186 | * /disabled - false). | |
bc7f75fa AK |
5187 | **/ |
5188 | void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, | |
17e813ec | 5189 | bool state) |
bc7f75fa AK |
5190 | { |
5191 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
5192 | ||
5193 | if (hw->mac.type != e1000_ich8lan) { | |
3bb99fe2 | 5194 | e_dbg("Workaround applies to ICH8 only.\n"); |
bc7f75fa AK |
5195 | return; |
5196 | } | |
5197 | ||
5198 | dev_spec->kmrn_lock_loss_workaround_enabled = state; | |
5199 | } | |
5200 | ||
5201 | /** | |
5202 | * e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3 | |
5203 | * @hw: pointer to the HW structure | |
5204 | * | |
5205 | * Workaround for 82566 power-down on D3 entry: | |
5206 | * 1) disable gigabit link | |
5207 | * 2) write VR power-down enable | |
5208 | * 3) read it back | |
5209 | * Continue if successful, else issue LCD reset and repeat | |
5210 | **/ | |
5211 | void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) | |
5212 | { | |
5213 | u32 reg; | |
5214 | u16 data; | |
e80bd1d1 | 5215 | u8 retry = 0; |
bc7f75fa AK |
5216 | |
5217 | if (hw->phy.type != e1000_phy_igp_3) | |
5218 | return; | |
5219 | ||
5220 | /* Try the workaround twice (if needed) */ | |
5221 | do { | |
5222 | /* Disable link */ | |
5223 | reg = er32(PHY_CTRL); | |
5224 | reg |= (E1000_PHY_CTRL_GBE_DISABLE | | |
5225 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
5226 | ew32(PHY_CTRL, reg); | |
5227 | ||
e921eb1a | 5228 | /* Call gig speed drop workaround on Gig disable before |
ad68076e BA |
5229 | * accessing any PHY registers |
5230 | */ | |
bc7f75fa AK |
5231 | if (hw->mac.type == e1000_ich8lan) |
5232 | e1000e_gig_downshift_workaround_ich8lan(hw); | |
5233 | ||
5234 | /* Write VR power-down enable */ | |
5235 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
5236 | data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
5237 | e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN); | |
5238 | ||
5239 | /* Read it back and test */ | |
5240 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
5241 | data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
5242 | if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry) | |
5243 | break; | |
5244 | ||
5245 | /* Issue PHY reset and repeat at most one more time */ | |
5246 | reg = er32(CTRL); | |
5247 | ew32(CTRL, reg | E1000_CTRL_PHY_RST); | |
5248 | retry++; | |
5249 | } while (retry); | |
5250 | } | |
5251 | ||
5252 | /** | |
5253 | * e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working | |
5254 | * @hw: pointer to the HW structure | |
5255 | * | |
5256 | * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC), | |
489815ce | 5257 | * LPLU, Gig disable, MDIC PHY reset): |
bc7f75fa AK |
5258 | * 1) Set Kumeran Near-end loopback |
5259 | * 2) Clear Kumeran Near-end loopback | |
462d5994 | 5260 | * Should only be called for ICH8[m] devices with any 1G Phy. |
bc7f75fa AK |
5261 | **/ |
5262 | void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) | |
5263 | { | |
5264 | s32 ret_val; | |
5265 | u16 reg_data; | |
5266 | ||
462d5994 | 5267 | if ((hw->mac.type != e1000_ich8lan) || (hw->phy.type == e1000_phy_ife)) |
bc7f75fa AK |
5268 | return; |
5269 | ||
5270 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
17e813ec | 5271 | ®_data); |
bc7f75fa AK |
5272 | if (ret_val) |
5273 | return; | |
5274 | reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
5275 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
17e813ec | 5276 | reg_data); |
bc7f75fa AK |
5277 | if (ret_val) |
5278 | return; | |
5279 | reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
7dbbe5d5 | 5280 | e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, reg_data); |
bc7f75fa AK |
5281 | } |
5282 | ||
97ac8cae | 5283 | /** |
99730e4c | 5284 | * e1000_suspend_workarounds_ich8lan - workarounds needed during S0->Sx |
97ac8cae BA |
5285 | * @hw: pointer to the HW structure |
5286 | * | |
5287 | * During S0 to Sx transition, it is possible the link remains at gig | |
5288 | * instead of negotiating to a lower speed. Before going to Sx, set | |
c077a906 BA |
5289 | * 'Gig Disable' to force link speed negotiation to a lower speed based on |
5290 | * the LPLU setting in the NVM or custom setting. For PCH and newer parts, | |
5291 | * the OEM bits PHY register (LED, GbE disable and LPLU configurations) also | |
5292 | * needs to be written. | |
2fbe4526 BA |
5293 | * Parts that support (and are linked to a partner which support) EEE in |
5294 | * 100Mbps should disable LPLU since 100Mbps w/ EEE requires less power | |
5295 | * than 10Mbps w/o EEE. | |
97ac8cae | 5296 | **/ |
99730e4c | 5297 | void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw) |
97ac8cae | 5298 | { |
2fbe4526 | 5299 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
97ac8cae | 5300 | u32 phy_ctrl; |
8395ae83 | 5301 | s32 ret_val; |
97ac8cae | 5302 | |
17f085df | 5303 | phy_ctrl = er32(PHY_CTRL); |
c077a906 | 5304 | phy_ctrl |= E1000_PHY_CTRL_GBE_DISABLE; |
e08f626b | 5305 | |
2fbe4526 | 5306 | if (hw->phy.type == e1000_phy_i217) { |
e08f626b BA |
5307 | u16 phy_reg, device_id = hw->adapter->pdev->device; |
5308 | ||
5309 | if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) || | |
91a3d82f BA |
5310 | (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V) || |
5311 | (device_id == E1000_DEV_ID_PCH_I218_LM3) || | |
79849ebc | 5312 | (device_id == E1000_DEV_ID_PCH_I218_V3) || |
c8744f44 | 5313 | (hw->mac.type >= e1000_pch_spt)) { |
e08f626b BA |
5314 | u32 fextnvm6 = er32(FEXTNVM6); |
5315 | ||
5316 | ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK); | |
5317 | } | |
2fbe4526 BA |
5318 | |
5319 | ret_val = hw->phy.ops.acquire(hw); | |
5320 | if (ret_val) | |
5321 | goto out; | |
5322 | ||
5323 | if (!dev_spec->eee_disable) { | |
5324 | u16 eee_advert; | |
5325 | ||
4ddc48a9 BA |
5326 | ret_val = |
5327 | e1000_read_emi_reg_locked(hw, | |
5328 | I217_EEE_ADVERTISEMENT, | |
5329 | &eee_advert); | |
2fbe4526 BA |
5330 | if (ret_val) |
5331 | goto release; | |
2fbe4526 | 5332 | |
e921eb1a | 5333 | /* Disable LPLU if both link partners support 100BaseT |
2fbe4526 | 5334 | * EEE and 100Full is advertised on both ends of the |
b4c1e6bf DE |
5335 | * link, and enable Auto Enable LPI since there will |
5336 | * be no driver to enable LPI while in Sx. | |
2fbe4526 | 5337 | */ |
3d4d5755 | 5338 | if ((eee_advert & I82579_EEE_100_SUPPORTED) && |
2fbe4526 | 5339 | (dev_spec->eee_lp_ability & |
3d4d5755 | 5340 | I82579_EEE_100_SUPPORTED) && |
b4c1e6bf | 5341 | (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)) { |
2fbe4526 BA |
5342 | phy_ctrl &= ~(E1000_PHY_CTRL_D0A_LPLU | |
5343 | E1000_PHY_CTRL_NOND0A_LPLU); | |
b4c1e6bf DE |
5344 | |
5345 | /* Set Auto Enable LPI after link up */ | |
5346 | e1e_rphy_locked(hw, | |
5347 | I217_LPI_GPIO_CTRL, &phy_reg); | |
5348 | phy_reg |= I217_LPI_GPIO_CTRL_AUTO_EN_LPI; | |
5349 | e1e_wphy_locked(hw, | |
5350 | I217_LPI_GPIO_CTRL, phy_reg); | |
5351 | } | |
2fbe4526 BA |
5352 | } |
5353 | ||
e921eb1a | 5354 | /* For i217 Intel Rapid Start Technology support, |
2fbe4526 BA |
5355 | * when the system is going into Sx and no manageability engine |
5356 | * is present, the driver must configure proxy to reset only on | |
5357 | * power good. LPI (Low Power Idle) state must also reset only | |
5358 | * on power good, as well as the MTA (Multicast table array). | |
5359 | * The SMBus release must also be disabled on LCD reset. | |
5360 | */ | |
5361 | if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { | |
2fbe4526 BA |
5362 | /* Enable proxy to reset only on power good. */ |
5363 | e1e_rphy_locked(hw, I217_PROXY_CTRL, &phy_reg); | |
5364 | phy_reg |= I217_PROXY_CTRL_AUTO_DISABLE; | |
5365 | e1e_wphy_locked(hw, I217_PROXY_CTRL, phy_reg); | |
5366 | ||
e921eb1a | 5367 | /* Set bit enable LPI (EEE) to reset only on |
2fbe4526 BA |
5368 | * power good. |
5369 | */ | |
5370 | e1e_rphy_locked(hw, I217_SxCTRL, &phy_reg); | |
6d7407bf | 5371 | phy_reg |= I217_SxCTRL_ENABLE_LPI_RESET; |
2fbe4526 BA |
5372 | e1e_wphy_locked(hw, I217_SxCTRL, phy_reg); |
5373 | ||
5374 | /* Disable the SMB release on LCD reset. */ | |
5375 | e1e_rphy_locked(hw, I217_MEMPWR, &phy_reg); | |
6d7407bf | 5376 | phy_reg &= ~I217_MEMPWR_DISABLE_SMB_RELEASE; |
2fbe4526 BA |
5377 | e1e_wphy_locked(hw, I217_MEMPWR, phy_reg); |
5378 | } | |
5379 | ||
e921eb1a | 5380 | /* Enable MTA to reset for Intel Rapid Start Technology |
2fbe4526 BA |
5381 | * Support |
5382 | */ | |
5383 | e1e_rphy_locked(hw, I217_CGFREG, &phy_reg); | |
6d7407bf | 5384 | phy_reg |= I217_CGFREG_ENABLE_MTA_RESET; |
2fbe4526 BA |
5385 | e1e_wphy_locked(hw, I217_CGFREG, phy_reg); |
5386 | ||
5387 | release: | |
5388 | hw->phy.ops.release(hw); | |
5389 | } | |
5390 | out: | |
17f085df | 5391 | ew32(PHY_CTRL, phy_ctrl); |
a4f58f54 | 5392 | |
462d5994 BA |
5393 | if (hw->mac.type == e1000_ich8lan) |
5394 | e1000e_gig_downshift_workaround_ich8lan(hw); | |
5395 | ||
8395ae83 | 5396 | if (hw->mac.type >= e1000_pchlan) { |
ce54afd1 | 5397 | e1000_oem_bits_config_ich8lan(hw, false); |
92fe1733 BA |
5398 | |
5399 | /* Reset PHY to activate OEM bits on 82577/8 */ | |
5400 | if (hw->mac.type == e1000_pchlan) | |
5401 | e1000e_phy_hw_reset_generic(hw); | |
5402 | ||
8395ae83 BA |
5403 | ret_val = hw->phy.ops.acquire(hw); |
5404 | if (ret_val) | |
5405 | return; | |
5406 | e1000_write_smbus_addr(hw); | |
5407 | hw->phy.ops.release(hw); | |
5408 | } | |
97ac8cae BA |
5409 | } |
5410 | ||
99730e4c BA |
5411 | /** |
5412 | * e1000_resume_workarounds_pchlan - workarounds needed during Sx->S0 | |
5413 | * @hw: pointer to the HW structure | |
5414 | * | |
5415 | * During Sx to S0 transitions on non-managed devices or managed devices | |
5416 | * on which PHY resets are not blocked, if the PHY registers cannot be | |
5417 | * accessed properly by the s/w toggle the LANPHYPC value to power cycle | |
5418 | * the PHY. | |
2fbe4526 | 5419 | * On i217, setup Intel Rapid Start Technology. |
99730e4c BA |
5420 | **/ |
5421 | void e1000_resume_workarounds_pchlan(struct e1000_hw *hw) | |
5422 | { | |
90b82984 | 5423 | s32 ret_val; |
99730e4c | 5424 | |
cb17aab9 | 5425 | if (hw->mac.type < e1000_pch2lan) |
99730e4c BA |
5426 | return; |
5427 | ||
cb17aab9 | 5428 | ret_val = e1000_init_phy_workarounds_pchlan(hw); |
90b82984 | 5429 | if (ret_val) { |
cb17aab9 | 5430 | e_dbg("Failed to init PHY flow ret_val=%d\n", ret_val); |
90b82984 BA |
5431 | return; |
5432 | } | |
2fbe4526 | 5433 | |
e921eb1a | 5434 | /* For i217 Intel Rapid Start Technology support when the system |
2fbe4526 BA |
5435 | * is transitioning from Sx and no manageability engine is present |
5436 | * configure SMBus to restore on reset, disable proxy, and enable | |
5437 | * the reset on MTA (Multicast table array). | |
5438 | */ | |
5439 | if (hw->phy.type == e1000_phy_i217) { | |
5440 | u16 phy_reg; | |
5441 | ||
5442 | ret_val = hw->phy.ops.acquire(hw); | |
5443 | if (ret_val) { | |
5444 | e_dbg("Failed to setup iRST\n"); | |
5445 | return; | |
5446 | } | |
5447 | ||
b4c1e6bf DE |
5448 | /* Clear Auto Enable LPI after link up */ |
5449 | e1e_rphy_locked(hw, I217_LPI_GPIO_CTRL, &phy_reg); | |
5450 | phy_reg &= ~I217_LPI_GPIO_CTRL_AUTO_EN_LPI; | |
5451 | e1e_wphy_locked(hw, I217_LPI_GPIO_CTRL, phy_reg); | |
5452 | ||
2fbe4526 | 5453 | if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { |
e921eb1a | 5454 | /* Restore clear on SMB if no manageability engine |
2fbe4526 BA |
5455 | * is present |
5456 | */ | |
5457 | ret_val = e1e_rphy_locked(hw, I217_MEMPWR, &phy_reg); | |
5458 | if (ret_val) | |
5459 | goto release; | |
6d7407bf | 5460 | phy_reg |= I217_MEMPWR_DISABLE_SMB_RELEASE; |
2fbe4526 BA |
5461 | e1e_wphy_locked(hw, I217_MEMPWR, phy_reg); |
5462 | ||
5463 | /* Disable Proxy */ | |
5464 | e1e_wphy_locked(hw, I217_PROXY_CTRL, 0); | |
5465 | } | |
5466 | /* Enable reset on MTA */ | |
5467 | ret_val = e1e_rphy_locked(hw, I217_CGFREG, &phy_reg); | |
5468 | if (ret_val) | |
5469 | goto release; | |
6d7407bf | 5470 | phy_reg &= ~I217_CGFREG_ENABLE_MTA_RESET; |
2fbe4526 BA |
5471 | e1e_wphy_locked(hw, I217_CGFREG, phy_reg); |
5472 | release: | |
5473 | if (ret_val) | |
5474 | e_dbg("Error %d in resume workarounds\n", ret_val); | |
5475 | hw->phy.ops.release(hw); | |
5476 | } | |
99730e4c BA |
5477 | } |
5478 | ||
bc7f75fa AK |
5479 | /** |
5480 | * e1000_cleanup_led_ich8lan - Restore the default LED operation | |
5481 | * @hw: pointer to the HW structure | |
5482 | * | |
5483 | * Return the LED back to the default configuration. | |
5484 | **/ | |
5485 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw) | |
5486 | { | |
5487 | if (hw->phy.type == e1000_phy_ife) | |
5488 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); | |
5489 | ||
5490 | ew32(LEDCTL, hw->mac.ledctl_default); | |
5491 | return 0; | |
5492 | } | |
5493 | ||
5494 | /** | |
489815ce | 5495 | * e1000_led_on_ich8lan - Turn LEDs on |
bc7f75fa AK |
5496 | * @hw: pointer to the HW structure |
5497 | * | |
489815ce | 5498 | * Turn on the LEDs. |
bc7f75fa AK |
5499 | **/ |
5500 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) | |
5501 | { | |
5502 | if (hw->phy.type == e1000_phy_ife) | |
5503 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
5504 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON)); | |
5505 | ||
5506 | ew32(LEDCTL, hw->mac.ledctl_mode2); | |
5507 | return 0; | |
5508 | } | |
5509 | ||
5510 | /** | |
489815ce | 5511 | * e1000_led_off_ich8lan - Turn LEDs off |
bc7f75fa AK |
5512 | * @hw: pointer to the HW structure |
5513 | * | |
489815ce | 5514 | * Turn off the LEDs. |
bc7f75fa AK |
5515 | **/ |
5516 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) | |
5517 | { | |
5518 | if (hw->phy.type == e1000_phy_ife) | |
5519 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
482fed85 BA |
5520 | (IFE_PSCL_PROBE_MODE | |
5521 | IFE_PSCL_PROBE_LEDS_OFF)); | |
bc7f75fa AK |
5522 | |
5523 | ew32(LEDCTL, hw->mac.ledctl_mode1); | |
5524 | return 0; | |
5525 | } | |
5526 | ||
a4f58f54 BA |
5527 | /** |
5528 | * e1000_setup_led_pchlan - Configures SW controllable LED | |
5529 | * @hw: pointer to the HW structure | |
5530 | * | |
5531 | * This prepares the SW controllable LED for use. | |
5532 | **/ | |
5533 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw) | |
5534 | { | |
482fed85 | 5535 | return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_mode1); |
a4f58f54 BA |
5536 | } |
5537 | ||
5538 | /** | |
5539 | * e1000_cleanup_led_pchlan - Restore the default LED operation | |
5540 | * @hw: pointer to the HW structure | |
5541 | * | |
5542 | * Return the LED back to the default configuration. | |
5543 | **/ | |
5544 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw) | |
5545 | { | |
482fed85 | 5546 | return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_default); |
a4f58f54 BA |
5547 | } |
5548 | ||
5549 | /** | |
5550 | * e1000_led_on_pchlan - Turn LEDs on | |
5551 | * @hw: pointer to the HW structure | |
5552 | * | |
5553 | * Turn on the LEDs. | |
5554 | **/ | |
5555 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw) | |
5556 | { | |
5557 | u16 data = (u16)hw->mac.ledctl_mode2; | |
5558 | u32 i, led; | |
5559 | ||
e921eb1a | 5560 | /* If no link, then turn LED on by setting the invert bit |
a4f58f54 BA |
5561 | * for each LED that's mode is "link_up" in ledctl_mode2. |
5562 | */ | |
5563 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
5564 | for (i = 0; i < 3; i++) { | |
5565 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
5566 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
5567 | E1000_LEDCTL_MODE_LINK_UP) | |
5568 | continue; | |
5569 | if (led & E1000_PHY_LED0_IVRT) | |
5570 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
5571 | else | |
5572 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
5573 | } | |
5574 | } | |
5575 | ||
482fed85 | 5576 | return e1e_wphy(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
5577 | } |
5578 | ||
5579 | /** | |
5580 | * e1000_led_off_pchlan - Turn LEDs off | |
5581 | * @hw: pointer to the HW structure | |
5582 | * | |
5583 | * Turn off the LEDs. | |
5584 | **/ | |
5585 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw) | |
5586 | { | |
5587 | u16 data = (u16)hw->mac.ledctl_mode1; | |
5588 | u32 i, led; | |
5589 | ||
e921eb1a | 5590 | /* If no link, then turn LED off by clearing the invert bit |
a4f58f54 BA |
5591 | * for each LED that's mode is "link_up" in ledctl_mode1. |
5592 | */ | |
5593 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
5594 | for (i = 0; i < 3; i++) { | |
5595 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
5596 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
5597 | E1000_LEDCTL_MODE_LINK_UP) | |
5598 | continue; | |
5599 | if (led & E1000_PHY_LED0_IVRT) | |
5600 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
5601 | else | |
5602 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
5603 | } | |
5604 | } | |
5605 | ||
482fed85 | 5606 | return e1e_wphy(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
5607 | } |
5608 | ||
f4187b56 | 5609 | /** |
e98cac44 | 5610 | * e1000_get_cfg_done_ich8lan - Read config done bit after Full or PHY reset |
f4187b56 BA |
5611 | * @hw: pointer to the HW structure |
5612 | * | |
e98cac44 BA |
5613 | * Read appropriate register for the config done bit for completion status |
5614 | * and configure the PHY through s/w for EEPROM-less parts. | |
5615 | * | |
5616 | * NOTE: some silicon which is EEPROM-less will fail trying to read the | |
5617 | * config done bit, so only an error is logged and continues. If we were | |
5618 | * to return with error, EEPROM-less silicon would not be able to be reset | |
5619 | * or change link. | |
f4187b56 BA |
5620 | **/ |
5621 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) | |
5622 | { | |
e98cac44 | 5623 | s32 ret_val = 0; |
f4187b56 | 5624 | u32 bank = 0; |
e98cac44 | 5625 | u32 status; |
f4187b56 | 5626 | |
fe90849f | 5627 | e1000e_get_cfg_done_generic(hw); |
fc0c7760 | 5628 | |
e98cac44 BA |
5629 | /* Wait for indication from h/w that it has completed basic config */ |
5630 | if (hw->mac.type >= e1000_ich10lan) { | |
5631 | e1000_lan_init_done_ich8lan(hw); | |
5632 | } else { | |
5633 | ret_val = e1000e_get_auto_rd_done(hw); | |
5634 | if (ret_val) { | |
e921eb1a | 5635 | /* When auto config read does not complete, do not |
e98cac44 BA |
5636 | * return with an error. This can happen in situations |
5637 | * where there is no eeprom and prevents getting link. | |
5638 | */ | |
5639 | e_dbg("Auto Read Done did not complete\n"); | |
5640 | ret_val = 0; | |
5641 | } | |
fc0c7760 BA |
5642 | } |
5643 | ||
e98cac44 BA |
5644 | /* Clear PHY Reset Asserted bit */ |
5645 | status = er32(STATUS); | |
5646 | if (status & E1000_STATUS_PHYRA) | |
5647 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
5648 | else | |
5649 | e_dbg("PHY Reset Asserted not set - needs delay\n"); | |
f4187b56 BA |
5650 | |
5651 | /* If EEPROM is not marked present, init the IGP 3 PHY manually */ | |
e98cac44 | 5652 | if (hw->mac.type <= e1000_ich9lan) { |
04499ec4 | 5653 | if (!(er32(EECD) & E1000_EECD_PRES) && |
f4187b56 BA |
5654 | (hw->phy.type == e1000_phy_igp_3)) { |
5655 | e1000e_phy_init_script_igp3(hw); | |
5656 | } | |
5657 | } else { | |
5658 | if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) { | |
5659 | /* Maybe we should do a basic PHY config */ | |
3bb99fe2 | 5660 | e_dbg("EEPROM not present\n"); |
e98cac44 | 5661 | ret_val = -E1000_ERR_CONFIG; |
f4187b56 BA |
5662 | } |
5663 | } | |
5664 | ||
e98cac44 | 5665 | return ret_val; |
f4187b56 BA |
5666 | } |
5667 | ||
17f208de BA |
5668 | /** |
5669 | * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down | |
5670 | * @hw: pointer to the HW structure | |
5671 | * | |
5672 | * In the case of a PHY power down to save power, or to turn off link during a | |
5673 | * driver unload, or wake on lan is not enabled, remove the link. | |
5674 | **/ | |
5675 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw) | |
5676 | { | |
5677 | /* If the management interface is not enabled, then power down */ | |
5678 | if (!(hw->mac.ops.check_mng_mode(hw) || | |
5679 | hw->phy.ops.check_reset_block(hw))) | |
5680 | e1000_power_down_phy_copper(hw); | |
17f208de BA |
5681 | } |
5682 | ||
bc7f75fa AK |
5683 | /** |
5684 | * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters | |
5685 | * @hw: pointer to the HW structure | |
5686 | * | |
5687 | * Clears hardware counters specific to the silicon family and calls | |
5688 | * clear_hw_cntrs_generic to clear all general purpose counters. | |
5689 | **/ | |
5690 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) | |
5691 | { | |
a4f58f54 | 5692 | u16 phy_data; |
2b6b168d | 5693 | s32 ret_val; |
bc7f75fa AK |
5694 | |
5695 | e1000e_clear_hw_cntrs_base(hw); | |
5696 | ||
99673d9b BA |
5697 | er32(ALGNERRC); |
5698 | er32(RXERRC); | |
5699 | er32(TNCRS); | |
5700 | er32(CEXTERR); | |
5701 | er32(TSCTC); | |
5702 | er32(TSCTFC); | |
bc7f75fa | 5703 | |
99673d9b BA |
5704 | er32(MGTPRC); |
5705 | er32(MGTPDC); | |
5706 | er32(MGTPTC); | |
bc7f75fa | 5707 | |
99673d9b BA |
5708 | er32(IAC); |
5709 | er32(ICRXOC); | |
bc7f75fa | 5710 | |
a4f58f54 BA |
5711 | /* Clear PHY statistics registers */ |
5712 | if ((hw->phy.type == e1000_phy_82578) || | |
d3738bb8 | 5713 | (hw->phy.type == e1000_phy_82579) || |
2fbe4526 | 5714 | (hw->phy.type == e1000_phy_i217) || |
a4f58f54 | 5715 | (hw->phy.type == e1000_phy_82577)) { |
2b6b168d BA |
5716 | ret_val = hw->phy.ops.acquire(hw); |
5717 | if (ret_val) | |
5718 | return; | |
5719 | ret_val = hw->phy.ops.set_page(hw, | |
5720 | HV_STATS_PAGE << IGP_PAGE_SHIFT); | |
5721 | if (ret_val) | |
5722 | goto release; | |
5723 | hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data); | |
5724 | hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data); | |
5725 | hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data); | |
5726 | hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data); | |
5727 | hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data); | |
5728 | hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data); | |
5729 | hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data); | |
5730 | hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data); | |
5731 | hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data); | |
5732 | hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data); | |
5733 | hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data); | |
5734 | hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data); | |
5735 | hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data); | |
5736 | hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data); | |
5737 | release: | |
5738 | hw->phy.ops.release(hw); | |
a4f58f54 | 5739 | } |
bc7f75fa AK |
5740 | } |
5741 | ||
8ce9d6c7 | 5742 | static const struct e1000_mac_operations ich8_mac_ops = { |
eb7700dc | 5743 | /* check_mng_mode dependent on mac type */ |
7d3cabbc | 5744 | .check_for_link = e1000_check_for_copper_link_ich8lan, |
a4f58f54 | 5745 | /* cleanup_led dependent on mac type */ |
bc7f75fa AK |
5746 | .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, |
5747 | .get_bus_info = e1000_get_bus_info_ich8lan, | |
f4d2dd4c | 5748 | .set_lan_id = e1000_set_lan_id_single_port, |
bc7f75fa | 5749 | .get_link_up_info = e1000_get_link_up_info_ich8lan, |
a4f58f54 BA |
5750 | /* led_on dependent on mac type */ |
5751 | /* led_off dependent on mac type */ | |
e2de3eb6 | 5752 | .update_mc_addr_list = e1000e_update_mc_addr_list_generic, |
bc7f75fa AK |
5753 | .reset_hw = e1000_reset_hw_ich8lan, |
5754 | .init_hw = e1000_init_hw_ich8lan, | |
5755 | .setup_link = e1000_setup_link_ich8lan, | |
55c5f55e | 5756 | .setup_physical_interface = e1000_setup_copper_link_ich8lan, |
a4f58f54 | 5757 | /* id_led_init dependent on mac type */ |
57cde763 | 5758 | .config_collision_dist = e1000e_config_collision_dist_generic, |
69e1e019 | 5759 | .rar_set = e1000e_rar_set_generic, |
b3e5bf1f | 5760 | .rar_get_count = e1000e_rar_get_count_generic, |
bc7f75fa AK |
5761 | }; |
5762 | ||
8ce9d6c7 | 5763 | static const struct e1000_phy_operations ich8_phy_ops = { |
94d8186a | 5764 | .acquire = e1000_acquire_swflag_ich8lan, |
bc7f75fa | 5765 | .check_reset_block = e1000_check_reset_block_ich8lan, |
94d8186a | 5766 | .commit = NULL, |
f4187b56 | 5767 | .get_cfg_done = e1000_get_cfg_done_ich8lan, |
bc7f75fa | 5768 | .get_cable_length = e1000e_get_cable_length_igp_2, |
94d8186a BA |
5769 | .read_reg = e1000e_read_phy_reg_igp, |
5770 | .release = e1000_release_swflag_ich8lan, | |
5771 | .reset = e1000_phy_hw_reset_ich8lan, | |
bc7f75fa AK |
5772 | .set_d0_lplu_state = e1000_set_d0_lplu_state_ich8lan, |
5773 | .set_d3_lplu_state = e1000_set_d3_lplu_state_ich8lan, | |
94d8186a | 5774 | .write_reg = e1000e_write_phy_reg_igp, |
bc7f75fa AK |
5775 | }; |
5776 | ||
8ce9d6c7 | 5777 | static const struct e1000_nvm_operations ich8_nvm_ops = { |
94d8186a | 5778 | .acquire = e1000_acquire_nvm_ich8lan, |
55c5f55e | 5779 | .read = e1000_read_nvm_ich8lan, |
94d8186a | 5780 | .release = e1000_release_nvm_ich8lan, |
e85e3639 | 5781 | .reload = e1000e_reload_nvm_generic, |
94d8186a | 5782 | .update = e1000_update_nvm_checksum_ich8lan, |
bc7f75fa | 5783 | .valid_led_default = e1000_valid_led_default_ich8lan, |
94d8186a BA |
5784 | .validate = e1000_validate_nvm_checksum_ich8lan, |
5785 | .write = e1000_write_nvm_ich8lan, | |
bc7f75fa AK |
5786 | }; |
5787 | ||
79849ebc DE |
5788 | static const struct e1000_nvm_operations spt_nvm_ops = { |
5789 | .acquire = e1000_acquire_nvm_ich8lan, | |
5790 | .release = e1000_release_nvm_ich8lan, | |
5791 | .read = e1000_read_nvm_spt, | |
5792 | .update = e1000_update_nvm_checksum_spt, | |
5793 | .reload = e1000e_reload_nvm_generic, | |
5794 | .valid_led_default = e1000_valid_led_default_ich8lan, | |
5795 | .validate = e1000_validate_nvm_checksum_ich8lan, | |
5796 | .write = e1000_write_nvm_ich8lan, | |
5797 | }; | |
5798 | ||
8ce9d6c7 | 5799 | const struct e1000_info e1000_ich8_info = { |
bc7f75fa AK |
5800 | .mac = e1000_ich8lan, |
5801 | .flags = FLAG_HAS_WOL | |
97ac8cae | 5802 | | FLAG_IS_ICH |
bc7f75fa AK |
5803 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5804 | | FLAG_HAS_AMT | |
5805 | | FLAG_HAS_FLASH | |
5806 | | FLAG_APME_IN_WUC, | |
5807 | .pba = 8, | |
8084b86d | 5808 | .max_hw_frame_size = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN, |
69e3fd8c | 5809 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
5810 | .mac_ops = &ich8_mac_ops, |
5811 | .phy_ops = &ich8_phy_ops, | |
5812 | .nvm_ops = &ich8_nvm_ops, | |
5813 | }; | |
5814 | ||
8ce9d6c7 | 5815 | const struct e1000_info e1000_ich9_info = { |
bc7f75fa AK |
5816 | .mac = e1000_ich9lan, |
5817 | .flags = FLAG_HAS_JUMBO_FRAMES | |
97ac8cae | 5818 | | FLAG_IS_ICH |
bc7f75fa | 5819 | | FLAG_HAS_WOL |
bc7f75fa AK |
5820 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5821 | | FLAG_HAS_AMT | |
bc7f75fa AK |
5822 | | FLAG_HAS_FLASH |
5823 | | FLAG_APME_IN_WUC, | |
7f1557e1 | 5824 | .pba = 18, |
2adc55c9 | 5825 | .max_hw_frame_size = DEFAULT_JUMBO, |
69e3fd8c | 5826 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
5827 | .mac_ops = &ich8_mac_ops, |
5828 | .phy_ops = &ich8_phy_ops, | |
5829 | .nvm_ops = &ich8_nvm_ops, | |
5830 | }; | |
5831 | ||
8ce9d6c7 | 5832 | const struct e1000_info e1000_ich10_info = { |
f4187b56 BA |
5833 | .mac = e1000_ich10lan, |
5834 | .flags = FLAG_HAS_JUMBO_FRAMES | |
5835 | | FLAG_IS_ICH | |
5836 | | FLAG_HAS_WOL | |
f4187b56 BA |
5837 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5838 | | FLAG_HAS_AMT | |
f4187b56 BA |
5839 | | FLAG_HAS_FLASH |
5840 | | FLAG_APME_IN_WUC, | |
7f1557e1 | 5841 | .pba = 18, |
2adc55c9 | 5842 | .max_hw_frame_size = DEFAULT_JUMBO, |
f4187b56 BA |
5843 | .get_variants = e1000_get_variants_ich8lan, |
5844 | .mac_ops = &ich8_mac_ops, | |
5845 | .phy_ops = &ich8_phy_ops, | |
5846 | .nvm_ops = &ich8_nvm_ops, | |
5847 | }; | |
a4f58f54 | 5848 | |
8ce9d6c7 | 5849 | const struct e1000_info e1000_pch_info = { |
a4f58f54 BA |
5850 | .mac = e1000_pchlan, |
5851 | .flags = FLAG_IS_ICH | |
5852 | | FLAG_HAS_WOL | |
a4f58f54 BA |
5853 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5854 | | FLAG_HAS_AMT | |
5855 | | FLAG_HAS_FLASH | |
5856 | | FLAG_HAS_JUMBO_FRAMES | |
38eb394e | 5857 | | FLAG_DISABLE_FC_PAUSE_TIME /* errata */ |
a4f58f54 | 5858 | | FLAG_APME_IN_WUC, |
8c7bbb92 | 5859 | .flags2 = FLAG2_HAS_PHY_STATS, |
a4f58f54 BA |
5860 | .pba = 26, |
5861 | .max_hw_frame_size = 4096, | |
5862 | .get_variants = e1000_get_variants_ich8lan, | |
5863 | .mac_ops = &ich8_mac_ops, | |
5864 | .phy_ops = &ich8_phy_ops, | |
5865 | .nvm_ops = &ich8_nvm_ops, | |
5866 | }; | |
d3738bb8 | 5867 | |
8ce9d6c7 | 5868 | const struct e1000_info e1000_pch2_info = { |
d3738bb8 BA |
5869 | .mac = e1000_pch2lan, |
5870 | .flags = FLAG_IS_ICH | |
5871 | | FLAG_HAS_WOL | |
b67e1913 | 5872 | | FLAG_HAS_HW_TIMESTAMP |
d3738bb8 BA |
5873 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5874 | | FLAG_HAS_AMT | |
5875 | | FLAG_HAS_FLASH | |
5876 | | FLAG_HAS_JUMBO_FRAMES | |
5877 | | FLAG_APME_IN_WUC, | |
e52997f9 | 5878 | .flags2 = FLAG2_HAS_PHY_STATS |
10ed1e0b JW |
5879 | | FLAG2_HAS_EEE |
5880 | | FLAG2_CHECK_SYSTIM_OVERFLOW, | |
828bac87 | 5881 | .pba = 26, |
8084b86d | 5882 | .max_hw_frame_size = 9022, |
d3738bb8 BA |
5883 | .get_variants = e1000_get_variants_ich8lan, |
5884 | .mac_ops = &ich8_mac_ops, | |
5885 | .phy_ops = &ich8_phy_ops, | |
5886 | .nvm_ops = &ich8_nvm_ops, | |
5887 | }; | |
2fbe4526 BA |
5888 | |
5889 | const struct e1000_info e1000_pch_lpt_info = { | |
5890 | .mac = e1000_pch_lpt, | |
5891 | .flags = FLAG_IS_ICH | |
5892 | | FLAG_HAS_WOL | |
b67e1913 | 5893 | | FLAG_HAS_HW_TIMESTAMP |
2fbe4526 BA |
5894 | | FLAG_HAS_CTRLEXT_ON_LOAD |
5895 | | FLAG_HAS_AMT | |
5896 | | FLAG_HAS_FLASH | |
5897 | | FLAG_HAS_JUMBO_FRAMES | |
5898 | | FLAG_APME_IN_WUC, | |
5899 | .flags2 = FLAG2_HAS_PHY_STATS | |
8037dd60 JW |
5900 | | FLAG2_HAS_EEE |
5901 | | FLAG2_CHECK_SYSTIM_OVERFLOW, | |
2fbe4526 | 5902 | .pba = 26, |
8084b86d | 5903 | .max_hw_frame_size = 9022, |
2fbe4526 BA |
5904 | .get_variants = e1000_get_variants_ich8lan, |
5905 | .mac_ops = &ich8_mac_ops, | |
5906 | .phy_ops = &ich8_phy_ops, | |
5907 | .nvm_ops = &ich8_nvm_ops, | |
5908 | }; | |
79849ebc DE |
5909 | |
5910 | const struct e1000_info e1000_pch_spt_info = { | |
5911 | .mac = e1000_pch_spt, | |
5912 | .flags = FLAG_IS_ICH | |
5913 | | FLAG_HAS_WOL | |
5914 | | FLAG_HAS_HW_TIMESTAMP | |
5915 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
5916 | | FLAG_HAS_AMT | |
5917 | | FLAG_HAS_FLASH | |
5918 | | FLAG_HAS_JUMBO_FRAMES | |
5919 | | FLAG_APME_IN_WUC, | |
5920 | .flags2 = FLAG2_HAS_PHY_STATS | |
5921 | | FLAG2_HAS_EEE, | |
5922 | .pba = 26, | |
8084b86d | 5923 | .max_hw_frame_size = 9022, |
79849ebc DE |
5924 | .get_variants = e1000_get_variants_ich8lan, |
5925 | .mac_ops = &ich8_mac_ops, | |
5926 | .phy_ops = &ich8_phy_ops, | |
5927 | .nvm_ops = &spt_nvm_ops, | |
5928 | }; | |
3a3173b9 SN |
5929 | |
5930 | const struct e1000_info e1000_pch_cnp_info = { | |
5931 | .mac = e1000_pch_cnp, | |
5932 | .flags = FLAG_IS_ICH | |
5933 | | FLAG_HAS_WOL | |
5934 | | FLAG_HAS_HW_TIMESTAMP | |
5935 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
5936 | | FLAG_HAS_AMT | |
5937 | | FLAG_HAS_FLASH | |
5938 | | FLAG_HAS_JUMBO_FRAMES | |
5939 | | FLAG_APME_IN_WUC, | |
5940 | .flags2 = FLAG2_HAS_PHY_STATS | |
5941 | | FLAG2_HAS_EEE, | |
5942 | .pba = 26, | |
5943 | .max_hw_frame_size = 9022, | |
5944 | .get_variants = e1000_get_variants_ich8lan, | |
5945 | .mac_ops = &ich8_mac_ops, | |
5946 | .phy_ops = &ich8_phy_ops, | |
5947 | .nvm_ops = &spt_nvm_ops, | |
5948 | }; |