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bc7f75fa AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel PRO/1000 Linux driver | |
ad68076e | 4 | Copyright(c) 1999 - 2008 Intel Corporation. |
bc7f75fa AK |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | Linux NICS <linux.nics@intel.com> | |
24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
26 | ||
27 | *******************************************************************************/ | |
28 | ||
29 | /* | |
1605927f | 30 | * 82562G 10/100 Network Connection |
bc7f75fa AK |
31 | * 82562G-2 10/100 Network Connection |
32 | * 82562GT 10/100 Network Connection | |
33 | * 82562GT-2 10/100 Network Connection | |
34 | * 82562V 10/100 Network Connection | |
35 | * 82562V-2 10/100 Network Connection | |
36 | * 82566DC-2 Gigabit Network Connection | |
37 | * 82566DC Gigabit Network Connection | |
38 | * 82566DM-2 Gigabit Network Connection | |
39 | * 82566DM Gigabit Network Connection | |
40 | * 82566MC Gigabit Network Connection | |
41 | * 82566MM Gigabit Network Connection | |
97ac8cae BA |
42 | * 82567LM Gigabit Network Connection |
43 | * 82567LF Gigabit Network Connection | |
1605927f | 44 | * 82567V Gigabit Network Connection |
97ac8cae BA |
45 | * 82567LM-2 Gigabit Network Connection |
46 | * 82567LF-2 Gigabit Network Connection | |
47 | * 82567V-2 Gigabit Network Connection | |
f4187b56 BA |
48 | * 82567LF-3 Gigabit Network Connection |
49 | * 82567LM-3 Gigabit Network Connection | |
2f15f9d6 | 50 | * 82567LM-4 Gigabit Network Connection |
a4f58f54 BA |
51 | * 82577LM Gigabit Network Connection |
52 | * 82577LC Gigabit Network Connection | |
53 | * 82578DM Gigabit Network Connection | |
54 | * 82578DC Gigabit Network Connection | |
bc7f75fa AK |
55 | */ |
56 | ||
57 | #include <linux/netdevice.h> | |
58 | #include <linux/ethtool.h> | |
59 | #include <linux/delay.h> | |
60 | #include <linux/pci.h> | |
61 | ||
62 | #include "e1000.h" | |
63 | ||
64 | #define ICH_FLASH_GFPREG 0x0000 | |
65 | #define ICH_FLASH_HSFSTS 0x0004 | |
66 | #define ICH_FLASH_HSFCTL 0x0006 | |
67 | #define ICH_FLASH_FADDR 0x0008 | |
68 | #define ICH_FLASH_FDATA0 0x0010 | |
4a770358 | 69 | #define ICH_FLASH_PR0 0x0074 |
bc7f75fa AK |
70 | |
71 | #define ICH_FLASH_READ_COMMAND_TIMEOUT 500 | |
72 | #define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500 | |
73 | #define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000 | |
74 | #define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF | |
75 | #define ICH_FLASH_CYCLE_REPEAT_COUNT 10 | |
76 | ||
77 | #define ICH_CYCLE_READ 0 | |
78 | #define ICH_CYCLE_WRITE 2 | |
79 | #define ICH_CYCLE_ERASE 3 | |
80 | ||
81 | #define FLASH_GFPREG_BASE_MASK 0x1FFF | |
82 | #define FLASH_SECTOR_ADDR_SHIFT 12 | |
83 | ||
84 | #define ICH_FLASH_SEG_SIZE_256 256 | |
85 | #define ICH_FLASH_SEG_SIZE_4K 4096 | |
86 | #define ICH_FLASH_SEG_SIZE_8K 8192 | |
87 | #define ICH_FLASH_SEG_SIZE_64K 65536 | |
88 | ||
89 | ||
90 | #define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */ | |
91 | ||
92 | #define E1000_ICH_MNG_IAMT_MODE 0x2 | |
93 | ||
94 | #define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \ | |
95 | (ID_LED_DEF1_OFF2 << 8) | \ | |
96 | (ID_LED_DEF1_ON2 << 4) | \ | |
97 | (ID_LED_DEF1_DEF2)) | |
98 | ||
99 | #define E1000_ICH_NVM_SIG_WORD 0x13 | |
100 | #define E1000_ICH_NVM_SIG_MASK 0xC000 | |
e243455d BA |
101 | #define E1000_ICH_NVM_VALID_SIG_MASK 0xC0 |
102 | #define E1000_ICH_NVM_SIG_VALUE 0x80 | |
bc7f75fa AK |
103 | |
104 | #define E1000_ICH8_LAN_INIT_TIMEOUT 1500 | |
105 | ||
106 | #define E1000_FEXTNVM_SW_CONFIG 1 | |
107 | #define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */ | |
108 | ||
109 | #define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL | |
110 | ||
111 | #define E1000_ICH_RAR_ENTRIES 7 | |
112 | ||
113 | #define PHY_PAGE_SHIFT 5 | |
114 | #define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \ | |
115 | ((reg) & MAX_PHY_REG_ADDRESS)) | |
116 | #define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */ | |
117 | #define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */ | |
118 | ||
119 | #define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002 | |
120 | #define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300 | |
121 | #define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200 | |
122 | ||
a4f58f54 BA |
123 | #define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */ |
124 | ||
53ac5a88 BA |
125 | #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ |
126 | ||
f523d211 BA |
127 | /* SMBus Address Phy Register */ |
128 | #define HV_SMB_ADDR PHY_REG(768, 26) | |
129 | #define HV_SMB_ADDR_PEC_EN 0x0200 | |
130 | #define HV_SMB_ADDR_VALID 0x0080 | |
131 | ||
132 | /* Strapping Option Register - RO */ | |
133 | #define E1000_STRAP 0x0000C | |
134 | #define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 | |
135 | #define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 | |
136 | ||
fa2ce13c BA |
137 | /* OEM Bits Phy Register */ |
138 | #define HV_OEM_BITS PHY_REG(768, 25) | |
139 | #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ | |
f523d211 | 140 | #define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ |
fa2ce13c BA |
141 | #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ |
142 | ||
1d5846b9 BA |
143 | #define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ |
144 | #define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ | |
145 | ||
bc7f75fa AK |
146 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ |
147 | /* Offset 04h HSFSTS */ | |
148 | union ich8_hws_flash_status { | |
149 | struct ich8_hsfsts { | |
150 | u16 flcdone :1; /* bit 0 Flash Cycle Done */ | |
151 | u16 flcerr :1; /* bit 1 Flash Cycle Error */ | |
152 | u16 dael :1; /* bit 2 Direct Access error Log */ | |
153 | u16 berasesz :2; /* bit 4:3 Sector Erase Size */ | |
154 | u16 flcinprog :1; /* bit 5 flash cycle in Progress */ | |
155 | u16 reserved1 :2; /* bit 13:6 Reserved */ | |
156 | u16 reserved2 :6; /* bit 13:6 Reserved */ | |
157 | u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */ | |
158 | u16 flockdn :1; /* bit 15 Flash Config Lock-Down */ | |
159 | } hsf_status; | |
160 | u16 regval; | |
161 | }; | |
162 | ||
163 | /* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */ | |
164 | /* Offset 06h FLCTL */ | |
165 | union ich8_hws_flash_ctrl { | |
166 | struct ich8_hsflctl { | |
167 | u16 flcgo :1; /* 0 Flash Cycle Go */ | |
168 | u16 flcycle :2; /* 2:1 Flash Cycle */ | |
169 | u16 reserved :5; /* 7:3 Reserved */ | |
170 | u16 fldbcount :2; /* 9:8 Flash Data Byte Count */ | |
171 | u16 flockdn :6; /* 15:10 Reserved */ | |
172 | } hsf_ctrl; | |
173 | u16 regval; | |
174 | }; | |
175 | ||
176 | /* ICH Flash Region Access Permissions */ | |
177 | union ich8_hws_flash_regacc { | |
178 | struct ich8_flracc { | |
179 | u32 grra :8; /* 0:7 GbE region Read Access */ | |
180 | u32 grwa :8; /* 8:15 GbE region Write Access */ | |
181 | u32 gmrag :8; /* 23:16 GbE Master Read Access Grant */ | |
182 | u32 gmwag :8; /* 31:24 GbE Master Write Access Grant */ | |
183 | } hsf_flregacc; | |
184 | u16 regval; | |
185 | }; | |
186 | ||
4a770358 BA |
187 | /* ICH Flash Protected Region */ |
188 | union ich8_flash_protected_range { | |
189 | struct ich8_pr { | |
190 | u32 base:13; /* 0:12 Protected Range Base */ | |
191 | u32 reserved1:2; /* 13:14 Reserved */ | |
192 | u32 rpe:1; /* 15 Read Protection Enable */ | |
193 | u32 limit:13; /* 16:28 Protected Range Limit */ | |
194 | u32 reserved2:2; /* 29:30 Reserved */ | |
195 | u32 wpe:1; /* 31 Write Protection Enable */ | |
196 | } range; | |
197 | u32 regval; | |
198 | }; | |
199 | ||
bc7f75fa AK |
200 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw); |
201 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw); | |
202 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw); | |
203 | static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw); | |
204 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank); | |
205 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
206 | u32 offset, u8 byte); | |
f4187b56 BA |
207 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, |
208 | u8 *data); | |
bc7f75fa AK |
209 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, |
210 | u16 *data); | |
211 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
212 | u8 size, u16 *data); | |
213 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw); | |
214 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw); | |
f4187b56 | 215 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw); |
a4f58f54 BA |
216 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw); |
217 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw); | |
218 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw); | |
219 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw); | |
220 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); | |
221 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); | |
222 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); | |
223 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); | |
fa2ce13c | 224 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); |
f523d211 | 225 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); |
1d5846b9 BA |
226 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); |
227 | static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); | |
bc7f75fa AK |
228 | |
229 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) | |
230 | { | |
231 | return readw(hw->flash_address + reg); | |
232 | } | |
233 | ||
234 | static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg) | |
235 | { | |
236 | return readl(hw->flash_address + reg); | |
237 | } | |
238 | ||
239 | static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val) | |
240 | { | |
241 | writew(val, hw->flash_address + reg); | |
242 | } | |
243 | ||
244 | static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) | |
245 | { | |
246 | writel(val, hw->flash_address + reg); | |
247 | } | |
248 | ||
249 | #define er16flash(reg) __er16flash(hw, (reg)) | |
250 | #define er32flash(reg) __er32flash(hw, (reg)) | |
251 | #define ew16flash(reg,val) __ew16flash(hw, (reg), (val)) | |
252 | #define ew32flash(reg,val) __ew32flash(hw, (reg), (val)) | |
253 | ||
a4f58f54 BA |
254 | /** |
255 | * e1000_init_phy_params_pchlan - Initialize PHY function pointers | |
256 | * @hw: pointer to the HW structure | |
257 | * | |
258 | * Initialize family-specific PHY parameters and function pointers. | |
259 | **/ | |
260 | static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) | |
261 | { | |
262 | struct e1000_phy_info *phy = &hw->phy; | |
263 | s32 ret_val = 0; | |
264 | ||
265 | phy->addr = 1; | |
266 | phy->reset_delay_us = 100; | |
267 | ||
268 | phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan; | |
269 | phy->ops.read_phy_reg = e1000_read_phy_reg_hv; | |
5ccdcecb | 270 | phy->ops.read_phy_reg_locked = e1000_read_phy_reg_hv_locked; |
fa2ce13c BA |
271 | phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan; |
272 | phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan; | |
a4f58f54 | 273 | phy->ops.write_phy_reg = e1000_write_phy_reg_hv; |
5ccdcecb | 274 | phy->ops.write_phy_reg_locked = e1000_write_phy_reg_hv_locked; |
a4f58f54 BA |
275 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; |
276 | ||
277 | phy->id = e1000_phy_unknown; | |
278 | e1000e_get_phy_id(hw); | |
279 | phy->type = e1000e_get_phy_type_from_id(phy->id); | |
280 | ||
281 | if (phy->type == e1000_phy_82577) { | |
282 | phy->ops.check_polarity = e1000_check_polarity_82577; | |
283 | phy->ops.force_speed_duplex = | |
284 | e1000_phy_force_speed_duplex_82577; | |
285 | phy->ops.get_cable_length = e1000_get_cable_length_82577; | |
286 | phy->ops.get_phy_info = e1000_get_phy_info_82577; | |
287 | phy->ops.commit_phy = e1000e_phy_sw_reset; | |
288 | } | |
289 | ||
290 | return ret_val; | |
291 | } | |
292 | ||
bc7f75fa AK |
293 | /** |
294 | * e1000_init_phy_params_ich8lan - Initialize PHY function pointers | |
295 | * @hw: pointer to the HW structure | |
296 | * | |
297 | * Initialize family-specific PHY parameters and function pointers. | |
298 | **/ | |
299 | static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) | |
300 | { | |
301 | struct e1000_phy_info *phy = &hw->phy; | |
302 | s32 ret_val; | |
303 | u16 i = 0; | |
304 | ||
305 | phy->addr = 1; | |
306 | phy->reset_delay_us = 100; | |
307 | ||
97ac8cae BA |
308 | /* |
309 | * We may need to do this twice - once for IGP and if that fails, | |
310 | * we'll set BM func pointers and try again | |
311 | */ | |
312 | ret_val = e1000e_determine_phy_address(hw); | |
313 | if (ret_val) { | |
314 | hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm; | |
315 | hw->phy.ops.read_phy_reg = e1000e_read_phy_reg_bm; | |
316 | ret_val = e1000e_determine_phy_address(hw); | |
317 | if (ret_val) | |
318 | return ret_val; | |
319 | } | |
320 | ||
bc7f75fa AK |
321 | phy->id = 0; |
322 | while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) && | |
323 | (i++ < 100)) { | |
324 | msleep(1); | |
325 | ret_val = e1000e_get_phy_id(hw); | |
326 | if (ret_val) | |
327 | return ret_val; | |
328 | } | |
329 | ||
330 | /* Verify phy id */ | |
331 | switch (phy->id) { | |
332 | case IGP03E1000_E_PHY_ID: | |
333 | phy->type = e1000_phy_igp_3; | |
334 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
5ccdcecb BA |
335 | phy->ops.read_phy_reg_locked = e1000e_read_phy_reg_igp_locked; |
336 | phy->ops.write_phy_reg_locked = e1000e_write_phy_reg_igp_locked; | |
bc7f75fa AK |
337 | break; |
338 | case IFE_E_PHY_ID: | |
339 | case IFE_PLUS_E_PHY_ID: | |
340 | case IFE_C_E_PHY_ID: | |
341 | phy->type = e1000_phy_ife; | |
342 | phy->autoneg_mask = E1000_ALL_NOT_GIG; | |
343 | break; | |
97ac8cae BA |
344 | case BME1000_E_PHY_ID: |
345 | phy->type = e1000_phy_bm; | |
346 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
347 | hw->phy.ops.read_phy_reg = e1000e_read_phy_reg_bm; | |
348 | hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm; | |
349 | hw->phy.ops.commit_phy = e1000e_phy_sw_reset; | |
350 | break; | |
bc7f75fa AK |
351 | default: |
352 | return -E1000_ERR_PHY; | |
353 | break; | |
354 | } | |
355 | ||
a4f58f54 BA |
356 | phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan; |
357 | ||
bc7f75fa AK |
358 | return 0; |
359 | } | |
360 | ||
361 | /** | |
362 | * e1000_init_nvm_params_ich8lan - Initialize NVM function pointers | |
363 | * @hw: pointer to the HW structure | |
364 | * | |
365 | * Initialize family-specific NVM parameters and function | |
366 | * pointers. | |
367 | **/ | |
368 | static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) | |
369 | { | |
370 | struct e1000_nvm_info *nvm = &hw->nvm; | |
371 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
148675a7 | 372 | u32 gfpreg, sector_base_addr, sector_end_addr; |
bc7f75fa AK |
373 | u16 i; |
374 | ||
ad68076e | 375 | /* Can't read flash registers if the register set isn't mapped. */ |
bc7f75fa AK |
376 | if (!hw->flash_address) { |
377 | hw_dbg(hw, "ERROR: Flash registers not mapped\n"); | |
378 | return -E1000_ERR_CONFIG; | |
379 | } | |
380 | ||
381 | nvm->type = e1000_nvm_flash_sw; | |
382 | ||
383 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
384 | ||
ad68076e BA |
385 | /* |
386 | * sector_X_addr is a "sector"-aligned address (4096 bytes) | |
bc7f75fa | 387 | * Add 1 to sector_end_addr since this sector is included in |
ad68076e BA |
388 | * the overall size. |
389 | */ | |
bc7f75fa AK |
390 | sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK; |
391 | sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1; | |
392 | ||
393 | /* flash_base_addr is byte-aligned */ | |
394 | nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT; | |
395 | ||
ad68076e BA |
396 | /* |
397 | * find total size of the NVM, then cut in half since the total | |
398 | * size represents two separate NVM banks. | |
399 | */ | |
bc7f75fa AK |
400 | nvm->flash_bank_size = (sector_end_addr - sector_base_addr) |
401 | << FLASH_SECTOR_ADDR_SHIFT; | |
402 | nvm->flash_bank_size /= 2; | |
403 | /* Adjust to word count */ | |
404 | nvm->flash_bank_size /= sizeof(u16); | |
405 | ||
406 | nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS; | |
407 | ||
408 | /* Clear shadow ram */ | |
409 | for (i = 0; i < nvm->word_size; i++) { | |
410 | dev_spec->shadow_ram[i].modified = 0; | |
411 | dev_spec->shadow_ram[i].value = 0xFFFF; | |
412 | } | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
417 | /** | |
418 | * e1000_init_mac_params_ich8lan - Initialize MAC function pointers | |
419 | * @hw: pointer to the HW structure | |
420 | * | |
421 | * Initialize family-specific MAC parameters and function | |
422 | * pointers. | |
423 | **/ | |
424 | static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) | |
425 | { | |
426 | struct e1000_hw *hw = &adapter->hw; | |
427 | struct e1000_mac_info *mac = &hw->mac; | |
428 | ||
429 | /* Set media type function pointer */ | |
318a94d6 | 430 | hw->phy.media_type = e1000_media_type_copper; |
bc7f75fa AK |
431 | |
432 | /* Set mta register count */ | |
433 | mac->mta_reg_count = 32; | |
434 | /* Set rar entry count */ | |
435 | mac->rar_entry_count = E1000_ICH_RAR_ENTRIES; | |
436 | if (mac->type == e1000_ich8lan) | |
437 | mac->rar_entry_count--; | |
438 | /* Set if manageability features are enabled. */ | |
439 | mac->arc_subsystem_valid = 1; | |
440 | ||
a4f58f54 BA |
441 | /* LED operations */ |
442 | switch (mac->type) { | |
443 | case e1000_ich8lan: | |
444 | case e1000_ich9lan: | |
445 | case e1000_ich10lan: | |
446 | /* ID LED init */ | |
447 | mac->ops.id_led_init = e1000e_id_led_init; | |
448 | /* setup LED */ | |
449 | mac->ops.setup_led = e1000e_setup_led_generic; | |
450 | /* cleanup LED */ | |
451 | mac->ops.cleanup_led = e1000_cleanup_led_ich8lan; | |
452 | /* turn on/off LED */ | |
453 | mac->ops.led_on = e1000_led_on_ich8lan; | |
454 | mac->ops.led_off = e1000_led_off_ich8lan; | |
455 | break; | |
456 | case e1000_pchlan: | |
457 | /* ID LED init */ | |
458 | mac->ops.id_led_init = e1000_id_led_init_pchlan; | |
459 | /* setup LED */ | |
460 | mac->ops.setup_led = e1000_setup_led_pchlan; | |
461 | /* cleanup LED */ | |
462 | mac->ops.cleanup_led = e1000_cleanup_led_pchlan; | |
463 | /* turn on/off LED */ | |
464 | mac->ops.led_on = e1000_led_on_pchlan; | |
465 | mac->ops.led_off = e1000_led_off_pchlan; | |
466 | break; | |
467 | default: | |
468 | break; | |
469 | } | |
470 | ||
bc7f75fa AK |
471 | /* Enable PCS Lock-loss workaround for ICH8 */ |
472 | if (mac->type == e1000_ich8lan) | |
473 | e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, 1); | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
7d3cabbc BA |
478 | /** |
479 | * e1000_check_for_copper_link_ich8lan - Check for link (Copper) | |
480 | * @hw: pointer to the HW structure | |
481 | * | |
482 | * Checks to see of the link status of the hardware has changed. If a | |
483 | * change in link status has been detected, then we read the PHY registers | |
484 | * to get the current speed/duplex if link exists. | |
485 | **/ | |
486 | static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |
487 | { | |
488 | struct e1000_mac_info *mac = &hw->mac; | |
489 | s32 ret_val; | |
490 | bool link; | |
491 | ||
492 | /* | |
493 | * We only want to go out to the PHY registers to see if Auto-Neg | |
494 | * has completed and/or if our link status has changed. The | |
495 | * get_link_status flag is set upon receiving a Link Status | |
496 | * Change or Rx Sequence Error interrupt. | |
497 | */ | |
498 | if (!mac->get_link_status) { | |
499 | ret_val = 0; | |
500 | goto out; | |
501 | } | |
502 | ||
7d3cabbc BA |
503 | /* |
504 | * First we want to see if the MII Status Register reports | |
505 | * link. If so, then we want to get the current speed/duplex | |
506 | * of the PHY. | |
507 | */ | |
508 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | |
509 | if (ret_val) | |
510 | goto out; | |
511 | ||
1d5846b9 BA |
512 | if (hw->mac.type == e1000_pchlan) { |
513 | ret_val = e1000_k1_gig_workaround_hv(hw, link); | |
514 | if (ret_val) | |
515 | goto out; | |
516 | } | |
517 | ||
7d3cabbc BA |
518 | if (!link) |
519 | goto out; /* No link detected */ | |
520 | ||
521 | mac->get_link_status = false; | |
522 | ||
523 | if (hw->phy.type == e1000_phy_82578) { | |
524 | ret_val = e1000_link_stall_workaround_hv(hw); | |
525 | if (ret_val) | |
526 | goto out; | |
527 | } | |
528 | ||
529 | /* | |
530 | * Check if there was DownShift, must be checked | |
531 | * immediately after link-up | |
532 | */ | |
533 | e1000e_check_downshift(hw); | |
534 | ||
535 | /* | |
536 | * If we are forcing speed/duplex, then we simply return since | |
537 | * we have already determined whether we have link or not. | |
538 | */ | |
539 | if (!mac->autoneg) { | |
540 | ret_val = -E1000_ERR_CONFIG; | |
541 | goto out; | |
542 | } | |
543 | ||
544 | /* | |
545 | * Auto-Neg is enabled. Auto Speed Detection takes care | |
546 | * of MAC speed/duplex configuration. So we only need to | |
547 | * configure Collision Distance in the MAC. | |
548 | */ | |
549 | e1000e_config_collision_dist(hw); | |
550 | ||
551 | /* | |
552 | * Configure Flow Control now that Auto-Neg has completed. | |
553 | * First, we need to restore the desired flow control | |
554 | * settings because we may have had to re-autoneg with a | |
555 | * different link partner. | |
556 | */ | |
557 | ret_val = e1000e_config_fc_after_link_up(hw); | |
558 | if (ret_val) | |
559 | hw_dbg(hw, "Error configuring flow control\n"); | |
560 | ||
561 | out: | |
562 | return ret_val; | |
563 | } | |
564 | ||
69e3fd8c | 565 | static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) |
bc7f75fa AK |
566 | { |
567 | struct e1000_hw *hw = &adapter->hw; | |
568 | s32 rc; | |
569 | ||
570 | rc = e1000_init_mac_params_ich8lan(adapter); | |
571 | if (rc) | |
572 | return rc; | |
573 | ||
574 | rc = e1000_init_nvm_params_ich8lan(hw); | |
575 | if (rc) | |
576 | return rc; | |
577 | ||
a4f58f54 BA |
578 | if (hw->mac.type == e1000_pchlan) |
579 | rc = e1000_init_phy_params_pchlan(hw); | |
580 | else | |
581 | rc = e1000_init_phy_params_ich8lan(hw); | |
bc7f75fa AK |
582 | if (rc) |
583 | return rc; | |
584 | ||
2adc55c9 BA |
585 | if (adapter->hw.phy.type == e1000_phy_ife) { |
586 | adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES; | |
587 | adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN; | |
588 | } | |
589 | ||
bc7f75fa AK |
590 | if ((adapter->hw.mac.type == e1000_ich8lan) && |
591 | (adapter->hw.phy.type == e1000_phy_igp_3)) | |
592 | adapter->flags |= FLAG_LSC_GIG_SPEED_DROP; | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
717d438d | 597 | static DEFINE_MUTEX(nvm_mutex); |
717d438d | 598 | |
ca15df58 BA |
599 | /** |
600 | * e1000_acquire_nvm_ich8lan - Acquire NVM mutex | |
601 | * @hw: pointer to the HW structure | |
602 | * | |
603 | * Acquires the mutex for performing NVM operations. | |
604 | **/ | |
605 | static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw) | |
606 | { | |
607 | mutex_lock(&nvm_mutex); | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
612 | /** | |
613 | * e1000_release_nvm_ich8lan - Release NVM mutex | |
614 | * @hw: pointer to the HW structure | |
615 | * | |
616 | * Releases the mutex used while performing NVM operations. | |
617 | **/ | |
618 | static void e1000_release_nvm_ich8lan(struct e1000_hw *hw) | |
619 | { | |
620 | mutex_unlock(&nvm_mutex); | |
621 | ||
622 | return; | |
623 | } | |
624 | ||
625 | static DEFINE_MUTEX(swflag_mutex); | |
626 | ||
bc7f75fa AK |
627 | /** |
628 | * e1000_acquire_swflag_ich8lan - Acquire software control flag | |
629 | * @hw: pointer to the HW structure | |
630 | * | |
ca15df58 BA |
631 | * Acquires the software control flag for performing PHY and select |
632 | * MAC CSR accesses. | |
bc7f75fa AK |
633 | **/ |
634 | static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) | |
635 | { | |
373a88d7 BA |
636 | u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT; |
637 | s32 ret_val = 0; | |
bc7f75fa | 638 | |
95b866d5 | 639 | might_sleep(); |
717d438d | 640 | |
ca15df58 | 641 | mutex_lock(&swflag_mutex); |
717d438d | 642 | |
bc7f75fa AK |
643 | while (timeout) { |
644 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
373a88d7 BA |
645 | if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) |
646 | break; | |
bc7f75fa | 647 | |
373a88d7 BA |
648 | mdelay(1); |
649 | timeout--; | |
650 | } | |
651 | ||
652 | if (!timeout) { | |
653 | hw_dbg(hw, "SW/FW/HW has locked the resource for too long.\n"); | |
654 | ret_val = -E1000_ERR_CONFIG; | |
655 | goto out; | |
656 | } | |
657 | ||
53ac5a88 | 658 | timeout = SW_FLAG_TIMEOUT; |
373a88d7 BA |
659 | |
660 | extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; | |
661 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
662 | ||
663 | while (timeout) { | |
664 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
665 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) | |
666 | break; | |
a4f58f54 | 667 | |
bc7f75fa AK |
668 | mdelay(1); |
669 | timeout--; | |
670 | } | |
671 | ||
672 | if (!timeout) { | |
373a88d7 | 673 | hw_dbg(hw, "Failed to acquire the semaphore.\n"); |
2e2e8d53 BA |
674 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; |
675 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
373a88d7 BA |
676 | ret_val = -E1000_ERR_CONFIG; |
677 | goto out; | |
bc7f75fa AK |
678 | } |
679 | ||
373a88d7 BA |
680 | out: |
681 | if (ret_val) | |
ca15df58 | 682 | mutex_unlock(&swflag_mutex); |
373a88d7 BA |
683 | |
684 | return ret_val; | |
bc7f75fa AK |
685 | } |
686 | ||
687 | /** | |
688 | * e1000_release_swflag_ich8lan - Release software control flag | |
689 | * @hw: pointer to the HW structure | |
690 | * | |
ca15df58 BA |
691 | * Releases the software control flag for performing PHY and select |
692 | * MAC CSR accesses. | |
bc7f75fa AK |
693 | **/ |
694 | static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) | |
695 | { | |
696 | u32 extcnf_ctrl; | |
697 | ||
698 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
699 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; | |
700 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
717d438d | 701 | |
ca15df58 BA |
702 | mutex_unlock(&swflag_mutex); |
703 | ||
704 | return; | |
bc7f75fa AK |
705 | } |
706 | ||
4662e82b BA |
707 | /** |
708 | * e1000_check_mng_mode_ich8lan - Checks management mode | |
709 | * @hw: pointer to the HW structure | |
710 | * | |
711 | * This checks if the adapter has manageability enabled. | |
712 | * This is a function pointer entry point only called by read/write | |
713 | * routines for the PHY and NVM parts. | |
714 | **/ | |
715 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw) | |
716 | { | |
717 | u32 fwsm = er32(FWSM); | |
718 | ||
719 | return (fwsm & E1000_FWSM_MODE_MASK) == | |
720 | (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT); | |
721 | } | |
722 | ||
bc7f75fa AK |
723 | /** |
724 | * e1000_check_reset_block_ich8lan - Check if PHY reset is blocked | |
725 | * @hw: pointer to the HW structure | |
726 | * | |
727 | * Checks if firmware is blocking the reset of the PHY. | |
728 | * This is a function pointer entry point only called by | |
729 | * reset routines. | |
730 | **/ | |
731 | static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw) | |
732 | { | |
733 | u32 fwsm; | |
734 | ||
735 | fwsm = er32(FWSM); | |
736 | ||
737 | return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET; | |
738 | } | |
739 | ||
740 | /** | |
741 | * e1000_phy_force_speed_duplex_ich8lan - Force PHY speed & duplex | |
742 | * @hw: pointer to the HW structure | |
743 | * | |
744 | * Forces the speed and duplex settings of the PHY. | |
745 | * This is a function pointer entry point only called by | |
746 | * PHY setup routines. | |
747 | **/ | |
748 | static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw) | |
749 | { | |
750 | struct e1000_phy_info *phy = &hw->phy; | |
751 | s32 ret_val; | |
752 | u16 data; | |
753 | bool link; | |
754 | ||
755 | if (phy->type != e1000_phy_ife) { | |
756 | ret_val = e1000e_phy_force_speed_duplex_igp(hw); | |
757 | return ret_val; | |
758 | } | |
759 | ||
760 | ret_val = e1e_rphy(hw, PHY_CONTROL, &data); | |
761 | if (ret_val) | |
762 | return ret_val; | |
763 | ||
764 | e1000e_phy_force_speed_duplex_setup(hw, &data); | |
765 | ||
766 | ret_val = e1e_wphy(hw, PHY_CONTROL, data); | |
767 | if (ret_val) | |
768 | return ret_val; | |
769 | ||
770 | /* Disable MDI-X support for 10/100 */ | |
771 | ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); | |
772 | if (ret_val) | |
773 | return ret_val; | |
774 | ||
775 | data &= ~IFE_PMC_AUTO_MDIX; | |
776 | data &= ~IFE_PMC_FORCE_MDIX; | |
777 | ||
778 | ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data); | |
779 | if (ret_val) | |
780 | return ret_val; | |
781 | ||
782 | hw_dbg(hw, "IFE PMC: %X\n", data); | |
783 | ||
784 | udelay(1); | |
785 | ||
318a94d6 | 786 | if (phy->autoneg_wait_to_complete) { |
bc7f75fa AK |
787 | hw_dbg(hw, "Waiting for forced speed/duplex link on IFE phy.\n"); |
788 | ||
789 | ret_val = e1000e_phy_has_link_generic(hw, | |
790 | PHY_FORCE_LIMIT, | |
791 | 100000, | |
792 | &link); | |
793 | if (ret_val) | |
794 | return ret_val; | |
795 | ||
796 | if (!link) | |
797 | hw_dbg(hw, "Link taking longer than expected.\n"); | |
798 | ||
799 | /* Try once more */ | |
800 | ret_val = e1000e_phy_has_link_generic(hw, | |
801 | PHY_FORCE_LIMIT, | |
802 | 100000, | |
803 | &link); | |
804 | if (ret_val) | |
805 | return ret_val; | |
806 | } | |
807 | ||
808 | return 0; | |
809 | } | |
810 | ||
f523d211 BA |
811 | /** |
812 | * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration | |
813 | * @hw: pointer to the HW structure | |
814 | * | |
815 | * SW should configure the LCD from the NVM extended configuration region | |
816 | * as a workaround for certain parts. | |
817 | **/ | |
818 | static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) | |
819 | { | |
820 | struct e1000_phy_info *phy = &hw->phy; | |
821 | u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; | |
822 | s32 ret_val; | |
823 | u16 word_addr, reg_data, reg_addr, phy_page = 0; | |
824 | ||
825 | ret_val = hw->phy.ops.acquire_phy(hw); | |
826 | if (ret_val) | |
827 | return ret_val; | |
828 | ||
829 | /* | |
830 | * Initialize the PHY from the NVM on ICH platforms. This | |
831 | * is needed due to an issue where the NVM configuration is | |
832 | * not properly autoloaded after power transitions. | |
833 | * Therefore, after each PHY reset, we will load the | |
834 | * configuration data out of the NVM manually. | |
835 | */ | |
836 | if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) || | |
837 | (hw->mac.type == e1000_pchlan)) { | |
838 | struct e1000_adapter *adapter = hw->adapter; | |
839 | ||
840 | /* Check if SW needs to configure the PHY */ | |
841 | if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || | |
842 | (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) || | |
843 | (hw->mac.type == e1000_pchlan)) | |
844 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; | |
845 | else | |
846 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; | |
847 | ||
848 | data = er32(FEXTNVM); | |
849 | if (!(data & sw_cfg_mask)) | |
850 | goto out; | |
851 | ||
852 | /* Wait for basic configuration completes before proceeding */ | |
853 | e1000_lan_init_done_ich8lan(hw); | |
854 | ||
855 | /* | |
856 | * Make sure HW does not configure LCD from PHY | |
857 | * extended configuration before SW configuration | |
858 | */ | |
859 | data = er32(EXTCNF_CTRL); | |
860 | if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) | |
861 | goto out; | |
862 | ||
863 | cnf_size = er32(EXTCNF_SIZE); | |
864 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | |
865 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | |
866 | if (!cnf_size) | |
867 | goto out; | |
868 | ||
869 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | |
870 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | |
871 | ||
872 | if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && | |
873 | (hw->mac.type == e1000_pchlan)) { | |
874 | /* | |
875 | * HW configures the SMBus address and LEDs when the | |
876 | * OEM and LCD Write Enable bits are set in the NVM. | |
877 | * When both NVM bits are cleared, SW will configure | |
878 | * them instead. | |
879 | */ | |
880 | data = er32(STRAP); | |
881 | data &= E1000_STRAP_SMBUS_ADDRESS_MASK; | |
882 | reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT; | |
883 | reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; | |
884 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, | |
885 | reg_data); | |
886 | if (ret_val) | |
887 | goto out; | |
888 | ||
889 | data = er32(LEDCTL); | |
890 | ret_val = e1000_write_phy_reg_hv_locked(hw, | |
891 | HV_LED_CONFIG, | |
892 | (u16)data); | |
893 | if (ret_val) | |
894 | goto out; | |
895 | } | |
896 | /* Configure LCD from extended configuration region. */ | |
897 | ||
898 | /* cnf_base_addr is in DWORD */ | |
899 | word_addr = (u16)(cnf_base_addr << 1); | |
900 | ||
901 | for (i = 0; i < cnf_size; i++) { | |
902 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, | |
903 | ®_data); | |
904 | if (ret_val) | |
905 | goto out; | |
906 | ||
907 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), | |
908 | 1, ®_addr); | |
909 | if (ret_val) | |
910 | goto out; | |
911 | ||
912 | /* Save off the PHY page for future writes. */ | |
913 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | |
914 | phy_page = reg_data; | |
915 | continue; | |
916 | } | |
917 | ||
918 | reg_addr &= PHY_REG_MASK; | |
919 | reg_addr |= phy_page; | |
920 | ||
921 | ret_val = phy->ops.write_phy_reg_locked(hw, | |
922 | (u32)reg_addr, | |
923 | reg_data); | |
924 | if (ret_val) | |
925 | goto out; | |
926 | } | |
927 | } | |
928 | ||
929 | out: | |
930 | hw->phy.ops.release_phy(hw); | |
931 | return ret_val; | |
932 | } | |
933 | ||
1d5846b9 BA |
934 | /** |
935 | * e1000_k1_gig_workaround_hv - K1 Si workaround | |
936 | * @hw: pointer to the HW structure | |
937 | * @link: link up bool flag | |
938 | * | |
939 | * If K1 is enabled for 1Gbps, the MAC might stall when transitioning | |
940 | * from a lower speed. This workaround disables K1 whenever link is at 1Gig | |
941 | * If link is down, the function will restore the default K1 setting located | |
942 | * in the NVM. | |
943 | **/ | |
944 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) | |
945 | { | |
946 | s32 ret_val = 0; | |
947 | u16 status_reg = 0; | |
948 | bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; | |
949 | ||
950 | if (hw->mac.type != e1000_pchlan) | |
951 | goto out; | |
952 | ||
953 | /* Wrap the whole flow with the sw flag */ | |
954 | ret_val = hw->phy.ops.acquire_phy(hw); | |
955 | if (ret_val) | |
956 | goto out; | |
957 | ||
958 | /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ | |
959 | if (link) { | |
960 | if (hw->phy.type == e1000_phy_82578) { | |
961 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, | |
962 | BM_CS_STATUS, | |
963 | &status_reg); | |
964 | if (ret_val) | |
965 | goto release; | |
966 | ||
967 | status_reg &= BM_CS_STATUS_LINK_UP | | |
968 | BM_CS_STATUS_RESOLVED | | |
969 | BM_CS_STATUS_SPEED_MASK; | |
970 | ||
971 | if (status_reg == (BM_CS_STATUS_LINK_UP | | |
972 | BM_CS_STATUS_RESOLVED | | |
973 | BM_CS_STATUS_SPEED_1000)) | |
974 | k1_enable = false; | |
975 | } | |
976 | ||
977 | if (hw->phy.type == e1000_phy_82577) { | |
978 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, | |
979 | HV_M_STATUS, | |
980 | &status_reg); | |
981 | if (ret_val) | |
982 | goto release; | |
983 | ||
984 | status_reg &= HV_M_STATUS_LINK_UP | | |
985 | HV_M_STATUS_AUTONEG_COMPLETE | | |
986 | HV_M_STATUS_SPEED_MASK; | |
987 | ||
988 | if (status_reg == (HV_M_STATUS_LINK_UP | | |
989 | HV_M_STATUS_AUTONEG_COMPLETE | | |
990 | HV_M_STATUS_SPEED_1000)) | |
991 | k1_enable = false; | |
992 | } | |
993 | ||
994 | /* Link stall fix for link up */ | |
995 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), | |
996 | 0x0100); | |
997 | if (ret_val) | |
998 | goto release; | |
999 | ||
1000 | } else { | |
1001 | /* Link stall fix for link down */ | |
1002 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), | |
1003 | 0x4100); | |
1004 | if (ret_val) | |
1005 | goto release; | |
1006 | } | |
1007 | ||
1008 | ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); | |
1009 | ||
1010 | release: | |
1011 | hw->phy.ops.release_phy(hw); | |
1012 | out: | |
1013 | return ret_val; | |
1014 | } | |
1015 | ||
1016 | /** | |
1017 | * e1000_configure_k1_ich8lan - Configure K1 power state | |
1018 | * @hw: pointer to the HW structure | |
1019 | * @enable: K1 state to configure | |
1020 | * | |
1021 | * Configure the K1 power state based on the provided parameter. | |
1022 | * Assumes semaphore already acquired. | |
1023 | * | |
1024 | * Success returns 0, Failure returns -E1000_ERR_PHY (-2) | |
1025 | **/ | |
1026 | static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) | |
1027 | { | |
1028 | s32 ret_val = 0; | |
1029 | u32 ctrl_reg = 0; | |
1030 | u32 ctrl_ext = 0; | |
1031 | u32 reg = 0; | |
1032 | u16 kmrn_reg = 0; | |
1033 | ||
1034 | ret_val = e1000e_read_kmrn_reg_locked(hw, | |
1035 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1036 | &kmrn_reg); | |
1037 | if (ret_val) | |
1038 | goto out; | |
1039 | ||
1040 | if (k1_enable) | |
1041 | kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; | |
1042 | else | |
1043 | kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; | |
1044 | ||
1045 | ret_val = e1000e_write_kmrn_reg_locked(hw, | |
1046 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1047 | kmrn_reg); | |
1048 | if (ret_val) | |
1049 | goto out; | |
1050 | ||
1051 | udelay(20); | |
1052 | ctrl_ext = er32(CTRL_EXT); | |
1053 | ctrl_reg = er32(CTRL); | |
1054 | ||
1055 | reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | |
1056 | reg |= E1000_CTRL_FRCSPD; | |
1057 | ew32(CTRL, reg); | |
1058 | ||
1059 | ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); | |
1060 | udelay(20); | |
1061 | ew32(CTRL, ctrl_reg); | |
1062 | ew32(CTRL_EXT, ctrl_ext); | |
1063 | udelay(20); | |
1064 | ||
1065 | out: | |
1066 | return ret_val; | |
1067 | } | |
1068 | ||
f523d211 BA |
1069 | /** |
1070 | * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration | |
1071 | * @hw: pointer to the HW structure | |
1072 | * @d0_state: boolean if entering d0 or d3 device state | |
1073 | * | |
1074 | * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are | |
1075 | * collectively called OEM bits. The OEM Write Enable bit and SW Config bit | |
1076 | * in NVM determines whether HW should configure LPLU and Gbe Disable. | |
1077 | **/ | |
1078 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) | |
1079 | { | |
1080 | s32 ret_val = 0; | |
1081 | u32 mac_reg; | |
1082 | u16 oem_reg; | |
1083 | ||
1084 | if (hw->mac.type != e1000_pchlan) | |
1085 | return ret_val; | |
1086 | ||
1087 | ret_val = hw->phy.ops.acquire_phy(hw); | |
1088 | if (ret_val) | |
1089 | return ret_val; | |
1090 | ||
1091 | mac_reg = er32(EXTCNF_CTRL); | |
1092 | if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) | |
1093 | goto out; | |
1094 | ||
1095 | mac_reg = er32(FEXTNVM); | |
1096 | if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) | |
1097 | goto out; | |
1098 | ||
1099 | mac_reg = er32(PHY_CTRL); | |
1100 | ||
1101 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg); | |
1102 | if (ret_val) | |
1103 | goto out; | |
1104 | ||
1105 | oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); | |
1106 | ||
1107 | if (d0_state) { | |
1108 | if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) | |
1109 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1110 | ||
1111 | if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) | |
1112 | oem_reg |= HV_OEM_BITS_LPLU; | |
1113 | } else { | |
1114 | if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) | |
1115 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1116 | ||
1117 | if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) | |
1118 | oem_reg |= HV_OEM_BITS_LPLU; | |
1119 | } | |
1120 | /* Restart auto-neg to activate the bits */ | |
1121 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
1122 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg); | |
1123 | ||
1124 | out: | |
1125 | hw->phy.ops.release_phy(hw); | |
1126 | ||
1127 | return ret_val; | |
1128 | } | |
1129 | ||
1130 | ||
a4f58f54 BA |
1131 | /** |
1132 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
1133 | * done after every PHY reset. | |
1134 | **/ | |
1135 | static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
1136 | { | |
1137 | s32 ret_val = 0; | |
1138 | ||
1139 | if (hw->mac.type != e1000_pchlan) | |
1140 | return ret_val; | |
1141 | ||
1142 | if (((hw->phy.type == e1000_phy_82577) && | |
1143 | ((hw->phy.revision == 1) || (hw->phy.revision == 2))) || | |
1144 | ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) { | |
1145 | /* Disable generation of early preamble */ | |
1146 | ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431); | |
1147 | if (ret_val) | |
1148 | return ret_val; | |
1149 | ||
1150 | /* Preamble tuning for SSC */ | |
1151 | ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204); | |
1152 | if (ret_val) | |
1153 | return ret_val; | |
1154 | } | |
1155 | ||
1156 | if (hw->phy.type == e1000_phy_82578) { | |
1157 | /* | |
1158 | * Return registers to default by doing a soft reset then | |
1159 | * writing 0x3140 to the control register. | |
1160 | */ | |
1161 | if (hw->phy.revision < 2) { | |
1162 | e1000e_phy_sw_reset(hw); | |
1163 | ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140); | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | /* Select page 0 */ | |
1168 | ret_val = hw->phy.ops.acquire_phy(hw); | |
1169 | if (ret_val) | |
1170 | return ret_val; | |
1d5846b9 | 1171 | |
a4f58f54 | 1172 | hw->phy.addr = 1; |
1d5846b9 BA |
1173 | ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); |
1174 | if (ret_val) | |
1175 | goto out; | |
a4f58f54 BA |
1176 | hw->phy.ops.release_phy(hw); |
1177 | ||
1d5846b9 BA |
1178 | /* |
1179 | * Configure the K1 Si workaround during phy reset assuming there is | |
1180 | * link so that it disables K1 if link is in 1Gbps. | |
1181 | */ | |
1182 | ret_val = e1000_k1_gig_workaround_hv(hw, true); | |
1183 | ||
1184 | out: | |
a4f58f54 BA |
1185 | return ret_val; |
1186 | } | |
1187 | ||
fc0c7760 BA |
1188 | /** |
1189 | * e1000_lan_init_done_ich8lan - Check for PHY config completion | |
1190 | * @hw: pointer to the HW structure | |
1191 | * | |
1192 | * Check the appropriate indication the MAC has finished configuring the | |
1193 | * PHY after a software reset. | |
1194 | **/ | |
1195 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) | |
1196 | { | |
1197 | u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT; | |
1198 | ||
1199 | /* Wait for basic configuration completes before proceeding */ | |
1200 | do { | |
1201 | data = er32(STATUS); | |
1202 | data &= E1000_STATUS_LAN_INIT_DONE; | |
1203 | udelay(100); | |
1204 | } while ((!data) && --loop); | |
1205 | ||
1206 | /* | |
1207 | * If basic configuration is incomplete before the above loop | |
1208 | * count reaches 0, loading the configuration from NVM will | |
1209 | * leave the PHY in a bad state possibly resulting in no link. | |
1210 | */ | |
1211 | if (loop == 0) | |
1212 | hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n"); | |
1213 | ||
1214 | /* Clear the Init Done bit for the next init event */ | |
1215 | data = er32(STATUS); | |
1216 | data &= ~E1000_STATUS_LAN_INIT_DONE; | |
1217 | ew32(STATUS, data); | |
1218 | } | |
1219 | ||
bc7f75fa AK |
1220 | /** |
1221 | * e1000_phy_hw_reset_ich8lan - Performs a PHY reset | |
1222 | * @hw: pointer to the HW structure | |
1223 | * | |
1224 | * Resets the PHY | |
1225 | * This is a function pointer entry point called by drivers | |
1226 | * or other shared routines. | |
1227 | **/ | |
1228 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | |
1229 | { | |
f523d211 BA |
1230 | s32 ret_val = 0; |
1231 | u16 reg; | |
bc7f75fa AK |
1232 | |
1233 | ret_val = e1000e_phy_hw_reset_generic(hw); | |
1234 | if (ret_val) | |
1235 | return ret_val; | |
1236 | ||
fc0c7760 BA |
1237 | /* Allow time for h/w to get to a quiescent state after reset */ |
1238 | mdelay(10); | |
1239 | ||
a4f58f54 BA |
1240 | if (hw->mac.type == e1000_pchlan) { |
1241 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); | |
1242 | if (ret_val) | |
1243 | return ret_val; | |
1244 | } | |
1245 | ||
db2932ec BA |
1246 | /* Dummy read to clear the phy wakeup bit after lcd reset */ |
1247 | if (hw->mac.type == e1000_pchlan) | |
1248 | e1e_rphy(hw, BM_WUC, ®); | |
1249 | ||
f523d211 BA |
1250 | /* Configure the LCD with the extended configuration region in NVM */ |
1251 | ret_val = e1000_sw_lcd_config_ich8lan(hw); | |
1252 | if (ret_val) | |
1253 | goto out; | |
bc7f75fa | 1254 | |
f523d211 BA |
1255 | /* Configure the LCD with the OEM bits in NVM */ |
1256 | if (hw->mac.type == e1000_pchlan) | |
1257 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); | |
bc7f75fa | 1258 | |
f523d211 | 1259 | out: |
bc7f75fa AK |
1260 | return 0; |
1261 | } | |
1262 | ||
1263 | /** | |
1264 | * e1000_get_phy_info_ife_ich8lan - Retrieves various IFE PHY states | |
1265 | * @hw: pointer to the HW structure | |
1266 | * | |
1267 | * Populates "phy" structure with various feature states. | |
1268 | * This function is only called by other family-specific | |
1269 | * routines. | |
1270 | **/ | |
1271 | static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw) | |
1272 | { | |
1273 | struct e1000_phy_info *phy = &hw->phy; | |
1274 | s32 ret_val; | |
1275 | u16 data; | |
1276 | bool link; | |
1277 | ||
1278 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | |
1279 | if (ret_val) | |
1280 | return ret_val; | |
1281 | ||
1282 | if (!link) { | |
1283 | hw_dbg(hw, "Phy info is only valid if link is up\n"); | |
1284 | return -E1000_ERR_CONFIG; | |
1285 | } | |
1286 | ||
1287 | ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data); | |
1288 | if (ret_val) | |
1289 | return ret_val; | |
1290 | phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE)); | |
1291 | ||
1292 | if (phy->polarity_correction) { | |
a4f58f54 | 1293 | ret_val = phy->ops.check_polarity(hw); |
bc7f75fa AK |
1294 | if (ret_val) |
1295 | return ret_val; | |
1296 | } else { | |
1297 | /* Polarity is forced */ | |
1298 | phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY) | |
1299 | ? e1000_rev_polarity_reversed | |
1300 | : e1000_rev_polarity_normal; | |
1301 | } | |
1302 | ||
1303 | ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); | |
1304 | if (ret_val) | |
1305 | return ret_val; | |
1306 | ||
1307 | phy->is_mdix = (data & IFE_PMC_MDIX_STATUS); | |
1308 | ||
1309 | /* The following parameters are undefined for 10/100 operation. */ | |
1310 | phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; | |
1311 | phy->local_rx = e1000_1000t_rx_status_undefined; | |
1312 | phy->remote_rx = e1000_1000t_rx_status_undefined; | |
1313 | ||
1314 | return 0; | |
1315 | } | |
1316 | ||
1317 | /** | |
1318 | * e1000_get_phy_info_ich8lan - Calls appropriate PHY type get_phy_info | |
1319 | * @hw: pointer to the HW structure | |
1320 | * | |
1321 | * Wrapper for calling the get_phy_info routines for the appropriate phy type. | |
1322 | * This is a function pointer entry point called by drivers | |
1323 | * or other shared routines. | |
1324 | **/ | |
1325 | static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw) | |
1326 | { | |
1327 | switch (hw->phy.type) { | |
1328 | case e1000_phy_ife: | |
1329 | return e1000_get_phy_info_ife_ich8lan(hw); | |
1330 | break; | |
1331 | case e1000_phy_igp_3: | |
97ac8cae | 1332 | case e1000_phy_bm: |
a4f58f54 BA |
1333 | case e1000_phy_82578: |
1334 | case e1000_phy_82577: | |
bc7f75fa AK |
1335 | return e1000e_get_phy_info_igp(hw); |
1336 | break; | |
1337 | default: | |
1338 | break; | |
1339 | } | |
1340 | ||
1341 | return -E1000_ERR_PHY_TYPE; | |
1342 | } | |
1343 | ||
1344 | /** | |
1345 | * e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY | |
1346 | * @hw: pointer to the HW structure | |
1347 | * | |
489815ce | 1348 | * Polarity is determined on the polarity reversal feature being enabled. |
bc7f75fa AK |
1349 | * This function is only called by other family-specific |
1350 | * routines. | |
1351 | **/ | |
1352 | static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw) | |
1353 | { | |
1354 | struct e1000_phy_info *phy = &hw->phy; | |
1355 | s32 ret_val; | |
1356 | u16 phy_data, offset, mask; | |
1357 | ||
ad68076e BA |
1358 | /* |
1359 | * Polarity is determined based on the reversal feature being enabled. | |
bc7f75fa AK |
1360 | */ |
1361 | if (phy->polarity_correction) { | |
1362 | offset = IFE_PHY_EXTENDED_STATUS_CONTROL; | |
1363 | mask = IFE_PESC_POLARITY_REVERSED; | |
1364 | } else { | |
1365 | offset = IFE_PHY_SPECIAL_CONTROL; | |
1366 | mask = IFE_PSC_FORCE_POLARITY; | |
1367 | } | |
1368 | ||
1369 | ret_val = e1e_rphy(hw, offset, &phy_data); | |
1370 | ||
1371 | if (!ret_val) | |
1372 | phy->cable_polarity = (phy_data & mask) | |
1373 | ? e1000_rev_polarity_reversed | |
1374 | : e1000_rev_polarity_normal; | |
1375 | ||
1376 | return ret_val; | |
1377 | } | |
1378 | ||
fa2ce13c BA |
1379 | /** |
1380 | * e1000_set_lplu_state_pchlan - Set Low Power Link Up state | |
1381 | * @hw: pointer to the HW structure | |
1382 | * @active: true to enable LPLU, false to disable | |
1383 | * | |
1384 | * Sets the LPLU state according to the active flag. For PCH, if OEM write | |
1385 | * bit are disabled in the NVM, writing the LPLU bits in the MAC will not set | |
1386 | * the phy speed. This function will manually set the LPLU bit and restart | |
1387 | * auto-neg as hw would do. D3 and D0 LPLU will call the same function | |
1388 | * since it configures the same bit. | |
1389 | **/ | |
1390 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) | |
1391 | { | |
1392 | s32 ret_val = 0; | |
1393 | u16 oem_reg; | |
1394 | ||
1395 | ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); | |
1396 | if (ret_val) | |
1397 | goto out; | |
1398 | ||
1399 | if (active) | |
1400 | oem_reg |= HV_OEM_BITS_LPLU; | |
1401 | else | |
1402 | oem_reg &= ~HV_OEM_BITS_LPLU; | |
1403 | ||
1404 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
1405 | ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); | |
1406 | ||
1407 | out: | |
1408 | return ret_val; | |
1409 | } | |
1410 | ||
bc7f75fa AK |
1411 | /** |
1412 | * e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state | |
1413 | * @hw: pointer to the HW structure | |
1414 | * @active: TRUE to enable LPLU, FALSE to disable | |
1415 | * | |
1416 | * Sets the LPLU D0 state according to the active flag. When | |
1417 | * activating LPLU this function also disables smart speed | |
1418 | * and vice versa. LPLU will not be activated unless the | |
1419 | * device autonegotiation advertisement meets standards of | |
1420 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1421 | * This is a function pointer entry point only called by | |
1422 | * PHY setup routines. | |
1423 | **/ | |
1424 | static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1425 | { | |
1426 | struct e1000_phy_info *phy = &hw->phy; | |
1427 | u32 phy_ctrl; | |
1428 | s32 ret_val = 0; | |
1429 | u16 data; | |
1430 | ||
97ac8cae | 1431 | if (phy->type == e1000_phy_ife) |
bc7f75fa AK |
1432 | return ret_val; |
1433 | ||
1434 | phy_ctrl = er32(PHY_CTRL); | |
1435 | ||
1436 | if (active) { | |
1437 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; | |
1438 | ew32(PHY_CTRL, phy_ctrl); | |
1439 | ||
60f1292f BA |
1440 | if (phy->type != e1000_phy_igp_3) |
1441 | return 0; | |
1442 | ||
ad68076e BA |
1443 | /* |
1444 | * Call gig speed drop workaround on LPLU before accessing | |
1445 | * any PHY registers | |
1446 | */ | |
60f1292f | 1447 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1448 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1449 | ||
1450 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
1451 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); | |
1452 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1453 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); | |
1454 | if (ret_val) | |
1455 | return ret_val; | |
1456 | } else { | |
1457 | phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; | |
1458 | ew32(PHY_CTRL, phy_ctrl); | |
1459 | ||
60f1292f BA |
1460 | if (phy->type != e1000_phy_igp_3) |
1461 | return 0; | |
1462 | ||
ad68076e BA |
1463 | /* |
1464 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1465 | * during Dx states where the power conservation is most |
1466 | * important. During driver activity we should enable | |
ad68076e BA |
1467 | * SmartSpeed, so performance is maintained. |
1468 | */ | |
bc7f75fa AK |
1469 | if (phy->smart_speed == e1000_smart_speed_on) { |
1470 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1471 | &data); |
bc7f75fa AK |
1472 | if (ret_val) |
1473 | return ret_val; | |
1474 | ||
1475 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
1476 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1477 | data); |
bc7f75fa AK |
1478 | if (ret_val) |
1479 | return ret_val; | |
1480 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
1481 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1482 | &data); |
bc7f75fa AK |
1483 | if (ret_val) |
1484 | return ret_val; | |
1485 | ||
1486 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1487 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1488 | data); |
bc7f75fa AK |
1489 | if (ret_val) |
1490 | return ret_val; | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | return 0; | |
1495 | } | |
1496 | ||
1497 | /** | |
1498 | * e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state | |
1499 | * @hw: pointer to the HW structure | |
1500 | * @active: TRUE to enable LPLU, FALSE to disable | |
1501 | * | |
1502 | * Sets the LPLU D3 state according to the active flag. When | |
1503 | * activating LPLU this function also disables smart speed | |
1504 | * and vice versa. LPLU will not be activated unless the | |
1505 | * device autonegotiation advertisement meets standards of | |
1506 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1507 | * This is a function pointer entry point only called by | |
1508 | * PHY setup routines. | |
1509 | **/ | |
1510 | static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1511 | { | |
1512 | struct e1000_phy_info *phy = &hw->phy; | |
1513 | u32 phy_ctrl; | |
1514 | s32 ret_val; | |
1515 | u16 data; | |
1516 | ||
1517 | phy_ctrl = er32(PHY_CTRL); | |
1518 | ||
1519 | if (!active) { | |
1520 | phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; | |
1521 | ew32(PHY_CTRL, phy_ctrl); | |
60f1292f BA |
1522 | |
1523 | if (phy->type != e1000_phy_igp_3) | |
1524 | return 0; | |
1525 | ||
ad68076e BA |
1526 | /* |
1527 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1528 | * during Dx states where the power conservation is most |
1529 | * important. During driver activity we should enable | |
ad68076e BA |
1530 | * SmartSpeed, so performance is maintained. |
1531 | */ | |
bc7f75fa | 1532 | if (phy->smart_speed == e1000_smart_speed_on) { |
ad68076e BA |
1533 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1534 | &data); | |
bc7f75fa AK |
1535 | if (ret_val) |
1536 | return ret_val; | |
1537 | ||
1538 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1539 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1540 | data); | |
bc7f75fa AK |
1541 | if (ret_val) |
1542 | return ret_val; | |
1543 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
ad68076e BA |
1544 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1545 | &data); | |
bc7f75fa AK |
1546 | if (ret_val) |
1547 | return ret_val; | |
1548 | ||
1549 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1550 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1551 | data); | |
bc7f75fa AK |
1552 | if (ret_val) |
1553 | return ret_val; | |
1554 | } | |
1555 | } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || | |
1556 | (phy->autoneg_advertised == E1000_ALL_NOT_GIG) || | |
1557 | (phy->autoneg_advertised == E1000_ALL_10_SPEED)) { | |
1558 | phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; | |
1559 | ew32(PHY_CTRL, phy_ctrl); | |
1560 | ||
60f1292f BA |
1561 | if (phy->type != e1000_phy_igp_3) |
1562 | return 0; | |
1563 | ||
ad68076e BA |
1564 | /* |
1565 | * Call gig speed drop workaround on LPLU before accessing | |
1566 | * any PHY registers | |
1567 | */ | |
60f1292f | 1568 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1569 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1570 | ||
1571 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
ad68076e | 1572 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
bc7f75fa AK |
1573 | if (ret_val) |
1574 | return ret_val; | |
1575 | ||
1576 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e | 1577 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
bc7f75fa AK |
1578 | } |
1579 | ||
1580 | return 0; | |
1581 | } | |
1582 | ||
f4187b56 BA |
1583 | /** |
1584 | * e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1 | |
1585 | * @hw: pointer to the HW structure | |
1586 | * @bank: pointer to the variable that returns the active bank | |
1587 | * | |
1588 | * Reads signature byte from the NVM using the flash access registers. | |
e243455d | 1589 | * Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank. |
f4187b56 BA |
1590 | **/ |
1591 | static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) | |
1592 | { | |
e243455d | 1593 | u32 eecd; |
f4187b56 | 1594 | struct e1000_nvm_info *nvm = &hw->nvm; |
f4187b56 BA |
1595 | u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); |
1596 | u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; | |
e243455d BA |
1597 | u8 sig_byte = 0; |
1598 | s32 ret_val = 0; | |
f4187b56 | 1599 | |
e243455d BA |
1600 | switch (hw->mac.type) { |
1601 | case e1000_ich8lan: | |
1602 | case e1000_ich9lan: | |
1603 | eecd = er32(EECD); | |
1604 | if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) == | |
1605 | E1000_EECD_SEC1VAL_VALID_MASK) { | |
1606 | if (eecd & E1000_EECD_SEC1VAL) | |
1607 | *bank = 1; | |
1608 | else | |
1609 | *bank = 0; | |
1610 | ||
1611 | return 0; | |
1612 | } | |
1613 | hw_dbg(hw, "Unable to determine valid NVM bank via EEC - " | |
1614 | "reading flash signature\n"); | |
1615 | /* fall-thru */ | |
1616 | default: | |
1617 | /* set bank to 0 in case flash read fails */ | |
1618 | *bank = 0; | |
1619 | ||
1620 | /* Check bank 0 */ | |
1621 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset, | |
1622 | &sig_byte); | |
1623 | if (ret_val) | |
1624 | return ret_val; | |
1625 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
1626 | E1000_ICH_NVM_SIG_VALUE) { | |
f4187b56 | 1627 | *bank = 0; |
e243455d BA |
1628 | return 0; |
1629 | } | |
f4187b56 | 1630 | |
e243455d BA |
1631 | /* Check bank 1 */ |
1632 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset + | |
1633 | bank1_offset, | |
1634 | &sig_byte); | |
1635 | if (ret_val) | |
1636 | return ret_val; | |
1637 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
1638 | E1000_ICH_NVM_SIG_VALUE) { | |
1639 | *bank = 1; | |
1640 | return 0; | |
f4187b56 | 1641 | } |
e243455d BA |
1642 | |
1643 | hw_dbg(hw, "ERROR: No valid NVM bank present\n"); | |
1644 | return -E1000_ERR_NVM; | |
f4187b56 BA |
1645 | } |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
bc7f75fa AK |
1650 | /** |
1651 | * e1000_read_nvm_ich8lan - Read word(s) from the NVM | |
1652 | * @hw: pointer to the HW structure | |
1653 | * @offset: The offset (in bytes) of the word(s) to read. | |
1654 | * @words: Size of data to read in words | |
1655 | * @data: Pointer to the word(s) to read at offset. | |
1656 | * | |
1657 | * Reads a word(s) from the NVM using the flash access registers. | |
1658 | **/ | |
1659 | static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
1660 | u16 *data) | |
1661 | { | |
1662 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1663 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
1664 | u32 act_offset; | |
148675a7 | 1665 | s32 ret_val = 0; |
f4187b56 | 1666 | u32 bank = 0; |
bc7f75fa AK |
1667 | u16 i, word; |
1668 | ||
1669 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
1670 | (words == 0)) { | |
1671 | hw_dbg(hw, "nvm parameter(s) out of bounds\n"); | |
ca15df58 BA |
1672 | ret_val = -E1000_ERR_NVM; |
1673 | goto out; | |
bc7f75fa AK |
1674 | } |
1675 | ||
ca15df58 | 1676 | nvm->ops.acquire_nvm(hw); |
bc7f75fa | 1677 | |
f4187b56 | 1678 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
148675a7 BA |
1679 | if (ret_val) { |
1680 | hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n"); | |
1681 | bank = 0; | |
1682 | } | |
f4187b56 BA |
1683 | |
1684 | act_offset = (bank) ? nvm->flash_bank_size : 0; | |
bc7f75fa AK |
1685 | act_offset += offset; |
1686 | ||
148675a7 | 1687 | ret_val = 0; |
bc7f75fa AK |
1688 | for (i = 0; i < words; i++) { |
1689 | if ((dev_spec->shadow_ram) && | |
1690 | (dev_spec->shadow_ram[offset+i].modified)) { | |
1691 | data[i] = dev_spec->shadow_ram[offset+i].value; | |
1692 | } else { | |
1693 | ret_val = e1000_read_flash_word_ich8lan(hw, | |
1694 | act_offset + i, | |
1695 | &word); | |
1696 | if (ret_val) | |
1697 | break; | |
1698 | data[i] = word; | |
1699 | } | |
1700 | } | |
1701 | ||
ca15df58 | 1702 | nvm->ops.release_nvm(hw); |
bc7f75fa | 1703 | |
e243455d BA |
1704 | out: |
1705 | if (ret_val) | |
1706 | hw_dbg(hw, "NVM read error: %d\n", ret_val); | |
1707 | ||
bc7f75fa AK |
1708 | return ret_val; |
1709 | } | |
1710 | ||
1711 | /** | |
1712 | * e1000_flash_cycle_init_ich8lan - Initialize flash | |
1713 | * @hw: pointer to the HW structure | |
1714 | * | |
1715 | * This function does initial flash setup so that a new read/write/erase cycle | |
1716 | * can be started. | |
1717 | **/ | |
1718 | static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) | |
1719 | { | |
1720 | union ich8_hws_flash_status hsfsts; | |
1721 | s32 ret_val = -E1000_ERR_NVM; | |
1722 | s32 i = 0; | |
1723 | ||
1724 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1725 | ||
1726 | /* Check if the flash descriptor is valid */ | |
1727 | if (hsfsts.hsf_status.fldesvalid == 0) { | |
1728 | hw_dbg(hw, "Flash descriptor invalid. " | |
1729 | "SW Sequencing must be used."); | |
1730 | return -E1000_ERR_NVM; | |
1731 | } | |
1732 | ||
1733 | /* Clear FCERR and DAEL in hw status by writing 1 */ | |
1734 | hsfsts.hsf_status.flcerr = 1; | |
1735 | hsfsts.hsf_status.dael = 1; | |
1736 | ||
1737 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1738 | ||
ad68076e BA |
1739 | /* |
1740 | * Either we should have a hardware SPI cycle in progress | |
bc7f75fa AK |
1741 | * bit to check against, in order to start a new cycle or |
1742 | * FDONE bit should be changed in the hardware so that it | |
489815ce | 1743 | * is 1 after hardware reset, which can then be used as an |
bc7f75fa AK |
1744 | * indication whether a cycle is in progress or has been |
1745 | * completed. | |
1746 | */ | |
1747 | ||
1748 | if (hsfsts.hsf_status.flcinprog == 0) { | |
ad68076e BA |
1749 | /* |
1750 | * There is no cycle running at present, | |
1751 | * so we can start a cycle | |
1752 | * Begin by setting Flash Cycle Done. | |
1753 | */ | |
bc7f75fa AK |
1754 | hsfsts.hsf_status.flcdone = 1; |
1755 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1756 | ret_val = 0; | |
1757 | } else { | |
ad68076e BA |
1758 | /* |
1759 | * otherwise poll for sometime so the current | |
1760 | * cycle has a chance to end before giving up. | |
1761 | */ | |
bc7f75fa AK |
1762 | for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) { |
1763 | hsfsts.regval = __er16flash(hw, ICH_FLASH_HSFSTS); | |
1764 | if (hsfsts.hsf_status.flcinprog == 0) { | |
1765 | ret_val = 0; | |
1766 | break; | |
1767 | } | |
1768 | udelay(1); | |
1769 | } | |
1770 | if (ret_val == 0) { | |
ad68076e BA |
1771 | /* |
1772 | * Successful in waiting for previous cycle to timeout, | |
1773 | * now set the Flash Cycle Done. | |
1774 | */ | |
bc7f75fa AK |
1775 | hsfsts.hsf_status.flcdone = 1; |
1776 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1777 | } else { | |
1778 | hw_dbg(hw, "Flash controller busy, cannot get access"); | |
1779 | } | |
1780 | } | |
1781 | ||
1782 | return ret_val; | |
1783 | } | |
1784 | ||
1785 | /** | |
1786 | * e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase) | |
1787 | * @hw: pointer to the HW structure | |
1788 | * @timeout: maximum time to wait for completion | |
1789 | * | |
1790 | * This function starts a flash cycle and waits for its completion. | |
1791 | **/ | |
1792 | static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) | |
1793 | { | |
1794 | union ich8_hws_flash_ctrl hsflctl; | |
1795 | union ich8_hws_flash_status hsfsts; | |
1796 | s32 ret_val = -E1000_ERR_NVM; | |
1797 | u32 i = 0; | |
1798 | ||
1799 | /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ | |
1800 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
1801 | hsflctl.hsf_ctrl.flcgo = 1; | |
1802 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
1803 | ||
1804 | /* wait till FDONE bit is set to 1 */ | |
1805 | do { | |
1806 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1807 | if (hsfsts.hsf_status.flcdone == 1) | |
1808 | break; | |
1809 | udelay(1); | |
1810 | } while (i++ < timeout); | |
1811 | ||
1812 | if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0) | |
1813 | return 0; | |
1814 | ||
1815 | return ret_val; | |
1816 | } | |
1817 | ||
1818 | /** | |
1819 | * e1000_read_flash_word_ich8lan - Read word from flash | |
1820 | * @hw: pointer to the HW structure | |
1821 | * @offset: offset to data location | |
1822 | * @data: pointer to the location for storing the data | |
1823 | * | |
1824 | * Reads the flash word at offset into data. Offset is converted | |
1825 | * to bytes before read. | |
1826 | **/ | |
1827 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, | |
1828 | u16 *data) | |
1829 | { | |
1830 | /* Must convert offset into bytes. */ | |
1831 | offset <<= 1; | |
1832 | ||
1833 | return e1000_read_flash_data_ich8lan(hw, offset, 2, data); | |
1834 | } | |
1835 | ||
f4187b56 BA |
1836 | /** |
1837 | * e1000_read_flash_byte_ich8lan - Read byte from flash | |
1838 | * @hw: pointer to the HW structure | |
1839 | * @offset: The offset of the byte to read. | |
1840 | * @data: Pointer to a byte to store the value read. | |
1841 | * | |
1842 | * Reads a single byte from the NVM using the flash access registers. | |
1843 | **/ | |
1844 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
1845 | u8 *data) | |
1846 | { | |
1847 | s32 ret_val; | |
1848 | u16 word = 0; | |
1849 | ||
1850 | ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word); | |
1851 | if (ret_val) | |
1852 | return ret_val; | |
1853 | ||
1854 | *data = (u8)word; | |
1855 | ||
1856 | return 0; | |
1857 | } | |
1858 | ||
bc7f75fa AK |
1859 | /** |
1860 | * e1000_read_flash_data_ich8lan - Read byte or word from NVM | |
1861 | * @hw: pointer to the HW structure | |
1862 | * @offset: The offset (in bytes) of the byte or word to read. | |
1863 | * @size: Size of data to read, 1=byte 2=word | |
1864 | * @data: Pointer to the word to store the value read. | |
1865 | * | |
1866 | * Reads a byte or word from the NVM using the flash access registers. | |
1867 | **/ | |
1868 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
1869 | u8 size, u16 *data) | |
1870 | { | |
1871 | union ich8_hws_flash_status hsfsts; | |
1872 | union ich8_hws_flash_ctrl hsflctl; | |
1873 | u32 flash_linear_addr; | |
1874 | u32 flash_data = 0; | |
1875 | s32 ret_val = -E1000_ERR_NVM; | |
1876 | u8 count = 0; | |
1877 | ||
1878 | if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
1879 | return -E1000_ERR_NVM; | |
1880 | ||
1881 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
1882 | hw->nvm.flash_base_addr; | |
1883 | ||
1884 | do { | |
1885 | udelay(1); | |
1886 | /* Steps */ | |
1887 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
1888 | if (ret_val != 0) | |
1889 | break; | |
1890 | ||
1891 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
1892 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
1893 | hsflctl.hsf_ctrl.fldbcount = size - 1; | |
1894 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; | |
1895 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
1896 | ||
1897 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
1898 | ||
1899 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
1900 | ICH_FLASH_READ_COMMAND_TIMEOUT); | |
1901 | ||
ad68076e BA |
1902 | /* |
1903 | * Check if FCERR is set to 1, if set to 1, clear it | |
bc7f75fa AK |
1904 | * and try the whole sequence a few more times, else |
1905 | * read in (shift in) the Flash Data0, the order is | |
ad68076e BA |
1906 | * least significant byte first msb to lsb |
1907 | */ | |
bc7f75fa AK |
1908 | if (ret_val == 0) { |
1909 | flash_data = er32flash(ICH_FLASH_FDATA0); | |
1910 | if (size == 1) { | |
1911 | *data = (u8)(flash_data & 0x000000FF); | |
1912 | } else if (size == 2) { | |
1913 | *data = (u16)(flash_data & 0x0000FFFF); | |
1914 | } | |
1915 | break; | |
1916 | } else { | |
ad68076e BA |
1917 | /* |
1918 | * If we've gotten here, then things are probably | |
bc7f75fa AK |
1919 | * completely hosed, but if the error condition is |
1920 | * detected, it won't hurt to give it another try... | |
1921 | * ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
1922 | */ | |
1923 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1924 | if (hsfsts.hsf_status.flcerr == 1) { | |
1925 | /* Repeat for some time before giving up. */ | |
1926 | continue; | |
1927 | } else if (hsfsts.hsf_status.flcdone == 0) { | |
1928 | hw_dbg(hw, "Timeout error - flash cycle " | |
1929 | "did not complete."); | |
1930 | break; | |
1931 | } | |
1932 | } | |
1933 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
1934 | ||
1935 | return ret_val; | |
1936 | } | |
1937 | ||
1938 | /** | |
1939 | * e1000_write_nvm_ich8lan - Write word(s) to the NVM | |
1940 | * @hw: pointer to the HW structure | |
1941 | * @offset: The offset (in bytes) of the word(s) to write. | |
1942 | * @words: Size of data to write in words | |
1943 | * @data: Pointer to the word(s) to write at offset. | |
1944 | * | |
1945 | * Writes a byte or word to the NVM using the flash access registers. | |
1946 | **/ | |
1947 | static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
1948 | u16 *data) | |
1949 | { | |
1950 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1951 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
bc7f75fa AK |
1952 | u16 i; |
1953 | ||
1954 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
1955 | (words == 0)) { | |
1956 | hw_dbg(hw, "nvm parameter(s) out of bounds\n"); | |
1957 | return -E1000_ERR_NVM; | |
1958 | } | |
1959 | ||
ca15df58 BA |
1960 | nvm->ops.acquire_nvm(hw); |
1961 | ||
bc7f75fa AK |
1962 | for (i = 0; i < words; i++) { |
1963 | dev_spec->shadow_ram[offset+i].modified = 1; | |
1964 | dev_spec->shadow_ram[offset+i].value = data[i]; | |
1965 | } | |
1966 | ||
ca15df58 BA |
1967 | nvm->ops.release_nvm(hw); |
1968 | ||
bc7f75fa AK |
1969 | return 0; |
1970 | } | |
1971 | ||
1972 | /** | |
1973 | * e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM | |
1974 | * @hw: pointer to the HW structure | |
1975 | * | |
1976 | * The NVM checksum is updated by calling the generic update_nvm_checksum, | |
1977 | * which writes the checksum to the shadow ram. The changes in the shadow | |
1978 | * ram are then committed to the EEPROM by processing each bank at a time | |
1979 | * checking for the modified bit and writing only the pending changes. | |
489815ce | 1980 | * After a successful commit, the shadow ram is cleared and is ready for |
bc7f75fa AK |
1981 | * future writes. |
1982 | **/ | |
1983 | static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
1984 | { | |
1985 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1986 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
f4187b56 | 1987 | u32 i, act_offset, new_bank_offset, old_bank_offset, bank; |
bc7f75fa AK |
1988 | s32 ret_val; |
1989 | u16 data; | |
1990 | ||
1991 | ret_val = e1000e_update_nvm_checksum_generic(hw); | |
1992 | if (ret_val) | |
e243455d | 1993 | goto out; |
bc7f75fa AK |
1994 | |
1995 | if (nvm->type != e1000_nvm_flash_sw) | |
e243455d | 1996 | goto out; |
bc7f75fa | 1997 | |
ca15df58 | 1998 | nvm->ops.acquire_nvm(hw); |
bc7f75fa | 1999 | |
ad68076e BA |
2000 | /* |
2001 | * We're writing to the opposite bank so if we're on bank 1, | |
bc7f75fa | 2002 | * write to bank 0 etc. We also need to erase the segment that |
ad68076e BA |
2003 | * is going to be written |
2004 | */ | |
f4187b56 | 2005 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
e243455d | 2006 | if (ret_val) { |
148675a7 BA |
2007 | hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n"); |
2008 | bank = 0; | |
e243455d | 2009 | } |
f4187b56 BA |
2010 | |
2011 | if (bank == 0) { | |
bc7f75fa AK |
2012 | new_bank_offset = nvm->flash_bank_size; |
2013 | old_bank_offset = 0; | |
e243455d BA |
2014 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); |
2015 | if (ret_val) { | |
ca15df58 | 2016 | nvm->ops.release_nvm(hw); |
e243455d BA |
2017 | goto out; |
2018 | } | |
bc7f75fa AK |
2019 | } else { |
2020 | old_bank_offset = nvm->flash_bank_size; | |
2021 | new_bank_offset = 0; | |
e243455d BA |
2022 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); |
2023 | if (ret_val) { | |
ca15df58 | 2024 | nvm->ops.release_nvm(hw); |
e243455d BA |
2025 | goto out; |
2026 | } | |
bc7f75fa AK |
2027 | } |
2028 | ||
2029 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
ad68076e BA |
2030 | /* |
2031 | * Determine whether to write the value stored | |
bc7f75fa | 2032 | * in the other NVM bank or a modified value stored |
ad68076e BA |
2033 | * in the shadow RAM |
2034 | */ | |
bc7f75fa AK |
2035 | if (dev_spec->shadow_ram[i].modified) { |
2036 | data = dev_spec->shadow_ram[i].value; | |
2037 | } else { | |
e243455d BA |
2038 | ret_val = e1000_read_flash_word_ich8lan(hw, i + |
2039 | old_bank_offset, | |
2040 | &data); | |
2041 | if (ret_val) | |
2042 | break; | |
bc7f75fa AK |
2043 | } |
2044 | ||
ad68076e BA |
2045 | /* |
2046 | * If the word is 0x13, then make sure the signature bits | |
bc7f75fa AK |
2047 | * (15:14) are 11b until the commit has completed. |
2048 | * This will allow us to write 10b which indicates the | |
2049 | * signature is valid. We want to do this after the write | |
2050 | * has completed so that we don't mark the segment valid | |
ad68076e BA |
2051 | * while the write is still in progress |
2052 | */ | |
bc7f75fa AK |
2053 | if (i == E1000_ICH_NVM_SIG_WORD) |
2054 | data |= E1000_ICH_NVM_SIG_MASK; | |
2055 | ||
2056 | /* Convert offset to bytes. */ | |
2057 | act_offset = (i + new_bank_offset) << 1; | |
2058 | ||
2059 | udelay(100); | |
2060 | /* Write the bytes to the new bank. */ | |
2061 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2062 | act_offset, | |
2063 | (u8)data); | |
2064 | if (ret_val) | |
2065 | break; | |
2066 | ||
2067 | udelay(100); | |
2068 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2069 | act_offset + 1, | |
2070 | (u8)(data >> 8)); | |
2071 | if (ret_val) | |
2072 | break; | |
2073 | } | |
2074 | ||
ad68076e BA |
2075 | /* |
2076 | * Don't bother writing the segment valid bits if sector | |
2077 | * programming failed. | |
2078 | */ | |
bc7f75fa | 2079 | if (ret_val) { |
4a770358 | 2080 | /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ |
bc7f75fa | 2081 | hw_dbg(hw, "Flash commit failed.\n"); |
ca15df58 | 2082 | nvm->ops.release_nvm(hw); |
e243455d | 2083 | goto out; |
bc7f75fa AK |
2084 | } |
2085 | ||
ad68076e BA |
2086 | /* |
2087 | * Finally validate the new segment by setting bit 15:14 | |
bc7f75fa AK |
2088 | * to 10b in word 0x13 , this can be done without an |
2089 | * erase as well since these bits are 11 to start with | |
ad68076e BA |
2090 | * and we need to change bit 14 to 0b |
2091 | */ | |
bc7f75fa | 2092 | act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; |
e243455d BA |
2093 | ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); |
2094 | if (ret_val) { | |
ca15df58 | 2095 | nvm->ops.release_nvm(hw); |
e243455d BA |
2096 | goto out; |
2097 | } | |
bc7f75fa AK |
2098 | data &= 0xBFFF; |
2099 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2100 | act_offset * 2 + 1, | |
2101 | (u8)(data >> 8)); | |
2102 | if (ret_val) { | |
ca15df58 | 2103 | nvm->ops.release_nvm(hw); |
e243455d | 2104 | goto out; |
bc7f75fa AK |
2105 | } |
2106 | ||
ad68076e BA |
2107 | /* |
2108 | * And invalidate the previously valid segment by setting | |
bc7f75fa AK |
2109 | * its signature word (0x13) high_byte to 0b. This can be |
2110 | * done without an erase because flash erase sets all bits | |
ad68076e BA |
2111 | * to 1's. We can write 1's to 0's without an erase |
2112 | */ | |
bc7f75fa AK |
2113 | act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; |
2114 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); | |
2115 | if (ret_val) { | |
ca15df58 | 2116 | nvm->ops.release_nvm(hw); |
e243455d | 2117 | goto out; |
bc7f75fa AK |
2118 | } |
2119 | ||
2120 | /* Great! Everything worked, we can now clear the cached entries. */ | |
2121 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
2122 | dev_spec->shadow_ram[i].modified = 0; | |
2123 | dev_spec->shadow_ram[i].value = 0xFFFF; | |
2124 | } | |
2125 | ||
ca15df58 | 2126 | nvm->ops.release_nvm(hw); |
bc7f75fa | 2127 | |
ad68076e BA |
2128 | /* |
2129 | * Reload the EEPROM, or else modifications will not appear | |
bc7f75fa AK |
2130 | * until after the next adapter reset. |
2131 | */ | |
2132 | e1000e_reload_nvm(hw); | |
2133 | msleep(10); | |
2134 | ||
e243455d BA |
2135 | out: |
2136 | if (ret_val) | |
2137 | hw_dbg(hw, "NVM update error: %d\n", ret_val); | |
2138 | ||
bc7f75fa AK |
2139 | return ret_val; |
2140 | } | |
2141 | ||
2142 | /** | |
2143 | * e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum | |
2144 | * @hw: pointer to the HW structure | |
2145 | * | |
2146 | * Check to see if checksum needs to be fixed by reading bit 6 in word 0x19. | |
2147 | * If the bit is 0, that the EEPROM had been modified, but the checksum was not | |
2148 | * calculated, in which case we need to calculate the checksum and set bit 6. | |
2149 | **/ | |
2150 | static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
2151 | { | |
2152 | s32 ret_val; | |
2153 | u16 data; | |
2154 | ||
ad68076e BA |
2155 | /* |
2156 | * Read 0x19 and check bit 6. If this bit is 0, the checksum | |
bc7f75fa AK |
2157 | * needs to be fixed. This bit is an indication that the NVM |
2158 | * was prepared by OEM software and did not calculate the | |
2159 | * checksum...a likely scenario. | |
2160 | */ | |
2161 | ret_val = e1000_read_nvm(hw, 0x19, 1, &data); | |
2162 | if (ret_val) | |
2163 | return ret_val; | |
2164 | ||
2165 | if ((data & 0x40) == 0) { | |
2166 | data |= 0x40; | |
2167 | ret_val = e1000_write_nvm(hw, 0x19, 1, &data); | |
2168 | if (ret_val) | |
2169 | return ret_val; | |
2170 | ret_val = e1000e_update_nvm_checksum(hw); | |
2171 | if (ret_val) | |
2172 | return ret_val; | |
2173 | } | |
2174 | ||
2175 | return e1000e_validate_nvm_checksum_generic(hw); | |
2176 | } | |
2177 | ||
4a770358 BA |
2178 | /** |
2179 | * e1000e_write_protect_nvm_ich8lan - Make the NVM read-only | |
2180 | * @hw: pointer to the HW structure | |
2181 | * | |
2182 | * To prevent malicious write/erase of the NVM, set it to be read-only | |
2183 | * so that the hardware ignores all write/erase cycles of the NVM via | |
2184 | * the flash control registers. The shadow-ram copy of the NVM will | |
2185 | * still be updated, however any updates to this copy will not stick | |
2186 | * across driver reloads. | |
2187 | **/ | |
2188 | void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) | |
2189 | { | |
ca15df58 | 2190 | struct e1000_nvm_info *nvm = &hw->nvm; |
4a770358 BA |
2191 | union ich8_flash_protected_range pr0; |
2192 | union ich8_hws_flash_status hsfsts; | |
2193 | u32 gfpreg; | |
4a770358 | 2194 | |
ca15df58 | 2195 | nvm->ops.acquire_nvm(hw); |
4a770358 BA |
2196 | |
2197 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
2198 | ||
2199 | /* Write-protect GbE Sector of NVM */ | |
2200 | pr0.regval = er32flash(ICH_FLASH_PR0); | |
2201 | pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK; | |
2202 | pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK); | |
2203 | pr0.range.wpe = true; | |
2204 | ew32flash(ICH_FLASH_PR0, pr0.regval); | |
2205 | ||
2206 | /* | |
2207 | * Lock down a subset of GbE Flash Control Registers, e.g. | |
2208 | * PR0 to prevent the write-protection from being lifted. | |
2209 | * Once FLOCKDN is set, the registers protected by it cannot | |
2210 | * be written until FLOCKDN is cleared by a hardware reset. | |
2211 | */ | |
2212 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2213 | hsfsts.hsf_status.flockdn = true; | |
2214 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2215 | ||
ca15df58 | 2216 | nvm->ops.release_nvm(hw); |
4a770358 BA |
2217 | } |
2218 | ||
bc7f75fa AK |
2219 | /** |
2220 | * e1000_write_flash_data_ich8lan - Writes bytes to the NVM | |
2221 | * @hw: pointer to the HW structure | |
2222 | * @offset: The offset (in bytes) of the byte/word to read. | |
2223 | * @size: Size of data to read, 1=byte 2=word | |
2224 | * @data: The byte(s) to write to the NVM. | |
2225 | * | |
2226 | * Writes one/two bytes to the NVM using the flash access registers. | |
2227 | **/ | |
2228 | static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
2229 | u8 size, u16 data) | |
2230 | { | |
2231 | union ich8_hws_flash_status hsfsts; | |
2232 | union ich8_hws_flash_ctrl hsflctl; | |
2233 | u32 flash_linear_addr; | |
2234 | u32 flash_data = 0; | |
2235 | s32 ret_val; | |
2236 | u8 count = 0; | |
2237 | ||
2238 | if (size < 1 || size > 2 || data > size * 0xff || | |
2239 | offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
2240 | return -E1000_ERR_NVM; | |
2241 | ||
2242 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
2243 | hw->nvm.flash_base_addr; | |
2244 | ||
2245 | do { | |
2246 | udelay(1); | |
2247 | /* Steps */ | |
2248 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2249 | if (ret_val) | |
2250 | break; | |
2251 | ||
2252 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
2253 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
2254 | hsflctl.hsf_ctrl.fldbcount = size -1; | |
2255 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; | |
2256 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2257 | ||
2258 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2259 | ||
2260 | if (size == 1) | |
2261 | flash_data = (u32)data & 0x00FF; | |
2262 | else | |
2263 | flash_data = (u32)data; | |
2264 | ||
2265 | ew32flash(ICH_FLASH_FDATA0, flash_data); | |
2266 | ||
ad68076e BA |
2267 | /* |
2268 | * check if FCERR is set to 1 , if set to 1, clear it | |
2269 | * and try the whole sequence a few more times else done | |
2270 | */ | |
bc7f75fa AK |
2271 | ret_val = e1000_flash_cycle_ich8lan(hw, |
2272 | ICH_FLASH_WRITE_COMMAND_TIMEOUT); | |
2273 | if (!ret_val) | |
2274 | break; | |
2275 | ||
ad68076e BA |
2276 | /* |
2277 | * If we're here, then things are most likely | |
bc7f75fa AK |
2278 | * completely hosed, but if the error condition |
2279 | * is detected, it won't hurt to give it another | |
2280 | * try...ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
2281 | */ | |
2282 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2283 | if (hsfsts.hsf_status.flcerr == 1) | |
2284 | /* Repeat for some time before giving up. */ | |
2285 | continue; | |
2286 | if (hsfsts.hsf_status.flcdone == 0) { | |
2287 | hw_dbg(hw, "Timeout error - flash cycle " | |
2288 | "did not complete."); | |
2289 | break; | |
2290 | } | |
2291 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2292 | ||
2293 | return ret_val; | |
2294 | } | |
2295 | ||
2296 | /** | |
2297 | * e1000_write_flash_byte_ich8lan - Write a single byte to NVM | |
2298 | * @hw: pointer to the HW structure | |
2299 | * @offset: The index of the byte to read. | |
2300 | * @data: The byte to write to the NVM. | |
2301 | * | |
2302 | * Writes a single byte to the NVM using the flash access registers. | |
2303 | **/ | |
2304 | static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
2305 | u8 data) | |
2306 | { | |
2307 | u16 word = (u16)data; | |
2308 | ||
2309 | return e1000_write_flash_data_ich8lan(hw, offset, 1, word); | |
2310 | } | |
2311 | ||
2312 | /** | |
2313 | * e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM | |
2314 | * @hw: pointer to the HW structure | |
2315 | * @offset: The offset of the byte to write. | |
2316 | * @byte: The byte to write to the NVM. | |
2317 | * | |
2318 | * Writes a single byte to the NVM using the flash access registers. | |
2319 | * Goes through a retry algorithm before giving up. | |
2320 | **/ | |
2321 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
2322 | u32 offset, u8 byte) | |
2323 | { | |
2324 | s32 ret_val; | |
2325 | u16 program_retries; | |
2326 | ||
2327 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2328 | if (!ret_val) | |
2329 | return ret_val; | |
2330 | ||
2331 | for (program_retries = 0; program_retries < 100; program_retries++) { | |
2332 | hw_dbg(hw, "Retrying Byte %2.2X at offset %u\n", byte, offset); | |
2333 | udelay(100); | |
2334 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2335 | if (!ret_val) | |
2336 | break; | |
2337 | } | |
2338 | if (program_retries == 100) | |
2339 | return -E1000_ERR_NVM; | |
2340 | ||
2341 | return 0; | |
2342 | } | |
2343 | ||
2344 | /** | |
2345 | * e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM | |
2346 | * @hw: pointer to the HW structure | |
2347 | * @bank: 0 for first bank, 1 for second bank, etc. | |
2348 | * | |
2349 | * Erases the bank specified. Each bank is a 4k block. Banks are 0 based. | |
2350 | * bank N is 4096 * N + flash_reg_addr. | |
2351 | **/ | |
2352 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) | |
2353 | { | |
2354 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2355 | union ich8_hws_flash_status hsfsts; | |
2356 | union ich8_hws_flash_ctrl hsflctl; | |
2357 | u32 flash_linear_addr; | |
2358 | /* bank size is in 16bit words - adjust to bytes */ | |
2359 | u32 flash_bank_size = nvm->flash_bank_size * 2; | |
2360 | s32 ret_val; | |
2361 | s32 count = 0; | |
2362 | s32 iteration; | |
2363 | s32 sector_size; | |
2364 | s32 j; | |
2365 | ||
2366 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2367 | ||
ad68076e BA |
2368 | /* |
2369 | * Determine HW Sector size: Read BERASE bits of hw flash status | |
2370 | * register | |
2371 | * 00: The Hw sector is 256 bytes, hence we need to erase 16 | |
bc7f75fa AK |
2372 | * consecutive sectors. The start index for the nth Hw sector |
2373 | * can be calculated as = bank * 4096 + n * 256 | |
2374 | * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector. | |
2375 | * The start index for the nth Hw sector can be calculated | |
2376 | * as = bank * 4096 | |
2377 | * 10: The Hw sector is 8K bytes, nth sector = bank * 8192 | |
2378 | * (ich9 only, otherwise error condition) | |
2379 | * 11: The Hw sector is 64K bytes, nth sector = bank * 65536 | |
2380 | */ | |
2381 | switch (hsfsts.hsf_status.berasesz) { | |
2382 | case 0: | |
2383 | /* Hw sector size 256 */ | |
2384 | sector_size = ICH_FLASH_SEG_SIZE_256; | |
2385 | iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256; | |
2386 | break; | |
2387 | case 1: | |
2388 | sector_size = ICH_FLASH_SEG_SIZE_4K; | |
28c9195a | 2389 | iteration = 1; |
bc7f75fa AK |
2390 | break; |
2391 | case 2: | |
148675a7 BA |
2392 | sector_size = ICH_FLASH_SEG_SIZE_8K; |
2393 | iteration = 1; | |
bc7f75fa AK |
2394 | break; |
2395 | case 3: | |
2396 | sector_size = ICH_FLASH_SEG_SIZE_64K; | |
28c9195a | 2397 | iteration = 1; |
bc7f75fa AK |
2398 | break; |
2399 | default: | |
2400 | return -E1000_ERR_NVM; | |
2401 | } | |
2402 | ||
2403 | /* Start with the base address, then add the sector offset. */ | |
2404 | flash_linear_addr = hw->nvm.flash_base_addr; | |
148675a7 | 2405 | flash_linear_addr += (bank) ? flash_bank_size : 0; |
bc7f75fa AK |
2406 | |
2407 | for (j = 0; j < iteration ; j++) { | |
2408 | do { | |
2409 | /* Steps */ | |
2410 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2411 | if (ret_val) | |
2412 | return ret_val; | |
2413 | ||
ad68076e BA |
2414 | /* |
2415 | * Write a value 11 (block Erase) in Flash | |
2416 | * Cycle field in hw flash control | |
2417 | */ | |
bc7f75fa AK |
2418 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); |
2419 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE; | |
2420 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2421 | ||
ad68076e BA |
2422 | /* |
2423 | * Write the last 24 bits of an index within the | |
bc7f75fa AK |
2424 | * block into Flash Linear address field in Flash |
2425 | * Address. | |
2426 | */ | |
2427 | flash_linear_addr += (j * sector_size); | |
2428 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2429 | ||
2430 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
2431 | ICH_FLASH_ERASE_COMMAND_TIMEOUT); | |
2432 | if (ret_val == 0) | |
2433 | break; | |
2434 | ||
ad68076e BA |
2435 | /* |
2436 | * Check if FCERR is set to 1. If 1, | |
bc7f75fa | 2437 | * clear it and try the whole sequence |
ad68076e BA |
2438 | * a few more times else Done |
2439 | */ | |
bc7f75fa AK |
2440 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); |
2441 | if (hsfsts.hsf_status.flcerr == 1) | |
ad68076e | 2442 | /* repeat for some time before giving up */ |
bc7f75fa AK |
2443 | continue; |
2444 | else if (hsfsts.hsf_status.flcdone == 0) | |
2445 | return ret_val; | |
2446 | } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2447 | } | |
2448 | ||
2449 | return 0; | |
2450 | } | |
2451 | ||
2452 | /** | |
2453 | * e1000_valid_led_default_ich8lan - Set the default LED settings | |
2454 | * @hw: pointer to the HW structure | |
2455 | * @data: Pointer to the LED settings | |
2456 | * | |
2457 | * Reads the LED default settings from the NVM to data. If the NVM LED | |
2458 | * settings is all 0's or F's, set the LED default to a valid LED default | |
2459 | * setting. | |
2460 | **/ | |
2461 | static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data) | |
2462 | { | |
2463 | s32 ret_val; | |
2464 | ||
2465 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); | |
2466 | if (ret_val) { | |
2467 | hw_dbg(hw, "NVM Read Error\n"); | |
2468 | return ret_val; | |
2469 | } | |
2470 | ||
2471 | if (*data == ID_LED_RESERVED_0000 || | |
2472 | *data == ID_LED_RESERVED_FFFF) | |
2473 | *data = ID_LED_DEFAULT_ICH8LAN; | |
2474 | ||
2475 | return 0; | |
2476 | } | |
2477 | ||
a4f58f54 BA |
2478 | /** |
2479 | * e1000_id_led_init_pchlan - store LED configurations | |
2480 | * @hw: pointer to the HW structure | |
2481 | * | |
2482 | * PCH does not control LEDs via the LEDCTL register, rather it uses | |
2483 | * the PHY LED configuration register. | |
2484 | * | |
2485 | * PCH also does not have an "always on" or "always off" mode which | |
2486 | * complicates the ID feature. Instead of using the "on" mode to indicate | |
2487 | * in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init()), | |
2488 | * use "link_up" mode. The LEDs will still ID on request if there is no | |
2489 | * link based on logic in e1000_led_[on|off]_pchlan(). | |
2490 | **/ | |
2491 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) | |
2492 | { | |
2493 | struct e1000_mac_info *mac = &hw->mac; | |
2494 | s32 ret_val; | |
2495 | const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP; | |
2496 | const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT; | |
2497 | u16 data, i, temp, shift; | |
2498 | ||
2499 | /* Get default ID LED modes */ | |
2500 | ret_val = hw->nvm.ops.valid_led_default(hw, &data); | |
2501 | if (ret_val) | |
2502 | goto out; | |
2503 | ||
2504 | mac->ledctl_default = er32(LEDCTL); | |
2505 | mac->ledctl_mode1 = mac->ledctl_default; | |
2506 | mac->ledctl_mode2 = mac->ledctl_default; | |
2507 | ||
2508 | for (i = 0; i < 4; i++) { | |
2509 | temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK; | |
2510 | shift = (i * 5); | |
2511 | switch (temp) { | |
2512 | case ID_LED_ON1_DEF2: | |
2513 | case ID_LED_ON1_ON2: | |
2514 | case ID_LED_ON1_OFF2: | |
2515 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2516 | mac->ledctl_mode1 |= (ledctl_on << shift); | |
2517 | break; | |
2518 | case ID_LED_OFF1_DEF2: | |
2519 | case ID_LED_OFF1_ON2: | |
2520 | case ID_LED_OFF1_OFF2: | |
2521 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2522 | mac->ledctl_mode1 |= (ledctl_off << shift); | |
2523 | break; | |
2524 | default: | |
2525 | /* Do nothing */ | |
2526 | break; | |
2527 | } | |
2528 | switch (temp) { | |
2529 | case ID_LED_DEF1_ON2: | |
2530 | case ID_LED_ON1_ON2: | |
2531 | case ID_LED_OFF1_ON2: | |
2532 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2533 | mac->ledctl_mode2 |= (ledctl_on << shift); | |
2534 | break; | |
2535 | case ID_LED_DEF1_OFF2: | |
2536 | case ID_LED_ON1_OFF2: | |
2537 | case ID_LED_OFF1_OFF2: | |
2538 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2539 | mac->ledctl_mode2 |= (ledctl_off << shift); | |
2540 | break; | |
2541 | default: | |
2542 | /* Do nothing */ | |
2543 | break; | |
2544 | } | |
2545 | } | |
2546 | ||
2547 | out: | |
2548 | return ret_val; | |
2549 | } | |
2550 | ||
bc7f75fa AK |
2551 | /** |
2552 | * e1000_get_bus_info_ich8lan - Get/Set the bus type and width | |
2553 | * @hw: pointer to the HW structure | |
2554 | * | |
2555 | * ICH8 use the PCI Express bus, but does not contain a PCI Express Capability | |
2556 | * register, so the the bus width is hard coded. | |
2557 | **/ | |
2558 | static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) | |
2559 | { | |
2560 | struct e1000_bus_info *bus = &hw->bus; | |
2561 | s32 ret_val; | |
2562 | ||
2563 | ret_val = e1000e_get_bus_info_pcie(hw); | |
2564 | ||
ad68076e BA |
2565 | /* |
2566 | * ICH devices are "PCI Express"-ish. They have | |
bc7f75fa AK |
2567 | * a configuration space, but do not contain |
2568 | * PCI Express Capability registers, so bus width | |
2569 | * must be hardcoded. | |
2570 | */ | |
2571 | if (bus->width == e1000_bus_width_unknown) | |
2572 | bus->width = e1000_bus_width_pcie_x1; | |
2573 | ||
2574 | return ret_val; | |
2575 | } | |
2576 | ||
2577 | /** | |
2578 | * e1000_reset_hw_ich8lan - Reset the hardware | |
2579 | * @hw: pointer to the HW structure | |
2580 | * | |
2581 | * Does a full reset of the hardware which includes a reset of the PHY and | |
2582 | * MAC. | |
2583 | **/ | |
2584 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |
2585 | { | |
1d5846b9 | 2586 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
db2932ec | 2587 | u16 reg; |
bc7f75fa AK |
2588 | u32 ctrl, icr, kab; |
2589 | s32 ret_val; | |
2590 | ||
ad68076e BA |
2591 | /* |
2592 | * Prevent the PCI-E bus from sticking if there is no TLP connection | |
bc7f75fa AK |
2593 | * on the last TLP read/write transaction when MAC is reset. |
2594 | */ | |
2595 | ret_val = e1000e_disable_pcie_master(hw); | |
2596 | if (ret_val) { | |
2597 | hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); | |
2598 | } | |
2599 | ||
2600 | hw_dbg(hw, "Masking off all interrupts\n"); | |
2601 | ew32(IMC, 0xffffffff); | |
2602 | ||
ad68076e BA |
2603 | /* |
2604 | * Disable the Transmit and Receive units. Then delay to allow | |
bc7f75fa AK |
2605 | * any pending transactions to complete before we hit the MAC |
2606 | * with the global reset. | |
2607 | */ | |
2608 | ew32(RCTL, 0); | |
2609 | ew32(TCTL, E1000_TCTL_PSP); | |
2610 | e1e_flush(); | |
2611 | ||
2612 | msleep(10); | |
2613 | ||
2614 | /* Workaround for ICH8 bit corruption issue in FIFO memory */ | |
2615 | if (hw->mac.type == e1000_ich8lan) { | |
2616 | /* Set Tx and Rx buffer allocation to 8k apiece. */ | |
2617 | ew32(PBA, E1000_PBA_8K); | |
2618 | /* Set Packet Buffer Size to 16k. */ | |
2619 | ew32(PBS, E1000_PBS_16K); | |
2620 | } | |
2621 | ||
1d5846b9 BA |
2622 | if (hw->mac.type == e1000_pchlan) { |
2623 | /* Save the NVM K1 bit setting*/ | |
2624 | ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); | |
2625 | if (ret_val) | |
2626 | return ret_val; | |
2627 | ||
2628 | if (reg & E1000_NVM_K1_ENABLE) | |
2629 | dev_spec->nvm_k1_enabled = true; | |
2630 | else | |
2631 | dev_spec->nvm_k1_enabled = false; | |
2632 | } | |
2633 | ||
bc7f75fa AK |
2634 | ctrl = er32(CTRL); |
2635 | ||
2636 | if (!e1000_check_reset_block(hw)) { | |
fc0c7760 BA |
2637 | /* Clear PHY Reset Asserted bit */ |
2638 | if (hw->mac.type >= e1000_pchlan) { | |
2639 | u32 status = er32(STATUS); | |
2640 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
2641 | } | |
2642 | ||
ad68076e BA |
2643 | /* |
2644 | * PHY HW reset requires MAC CORE reset at the same | |
bc7f75fa AK |
2645 | * time to make sure the interface between MAC and the |
2646 | * external PHY is reset. | |
2647 | */ | |
2648 | ctrl |= E1000_CTRL_PHY_RST; | |
2649 | } | |
2650 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
30bb0e0d | 2651 | /* Whether or not the swflag was acquired, we need to reset the part */ |
0285c8dc | 2652 | hw_dbg(hw, "Issuing a global reset to ich8lan\n"); |
bc7f75fa AK |
2653 | ew32(CTRL, (ctrl | E1000_CTRL_RST)); |
2654 | msleep(20); | |
2655 | ||
fc0c7760 | 2656 | if (!ret_val) |
30bb0e0d | 2657 | e1000_release_swflag_ich8lan(hw); |
37f40239 | 2658 | |
fc0c7760 BA |
2659 | if (ctrl & E1000_CTRL_PHY_RST) |
2660 | ret_val = hw->phy.ops.get_cfg_done(hw); | |
2661 | ||
2662 | if (hw->mac.type >= e1000_ich10lan) { | |
2663 | e1000_lan_init_done_ich8lan(hw); | |
2664 | } else { | |
2665 | ret_val = e1000e_get_auto_rd_done(hw); | |
2666 | if (ret_val) { | |
2667 | /* | |
2668 | * When auto config read does not complete, do not | |
2669 | * return with an error. This can happen in situations | |
2670 | * where there is no eeprom and prevents getting link. | |
2671 | */ | |
2672 | hw_dbg(hw, "Auto Read Done did not complete\n"); | |
2673 | } | |
bc7f75fa | 2674 | } |
db2932ec BA |
2675 | /* Dummy read to clear the phy wakeup bit after lcd reset */ |
2676 | if (hw->mac.type == e1000_pchlan) | |
2677 | e1e_rphy(hw, BM_WUC, ®); | |
bc7f75fa | 2678 | |
f523d211 BA |
2679 | ret_val = e1000_sw_lcd_config_ich8lan(hw); |
2680 | if (ret_val) | |
2681 | goto out; | |
2682 | ||
2683 | if (hw->mac.type == e1000_pchlan) { | |
2684 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); | |
2685 | if (ret_val) | |
2686 | goto out; | |
2687 | } | |
7d3cabbc BA |
2688 | /* |
2689 | * For PCH, this write will make sure that any noise | |
2690 | * will be detected as a CRC error and be dropped rather than show up | |
2691 | * as a bad packet to the DMA engine. | |
2692 | */ | |
2693 | if (hw->mac.type == e1000_pchlan) | |
2694 | ew32(CRC_OFFSET, 0x65656565); | |
2695 | ||
bc7f75fa AK |
2696 | ew32(IMC, 0xffffffff); |
2697 | icr = er32(ICR); | |
2698 | ||
2699 | kab = er32(KABGTXD); | |
2700 | kab |= E1000_KABGTXD_BGSQLBIAS; | |
2701 | ew32(KABGTXD, kab); | |
2702 | ||
a4f58f54 BA |
2703 | if (hw->mac.type == e1000_pchlan) |
2704 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); | |
2705 | ||
f523d211 | 2706 | out: |
bc7f75fa AK |
2707 | return ret_val; |
2708 | } | |
2709 | ||
2710 | /** | |
2711 | * e1000_init_hw_ich8lan - Initialize the hardware | |
2712 | * @hw: pointer to the HW structure | |
2713 | * | |
2714 | * Prepares the hardware for transmit and receive by doing the following: | |
2715 | * - initialize hardware bits | |
2716 | * - initialize LED identification | |
2717 | * - setup receive address registers | |
2718 | * - setup flow control | |
489815ce | 2719 | * - setup transmit descriptors |
bc7f75fa AK |
2720 | * - clear statistics |
2721 | **/ | |
2722 | static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) | |
2723 | { | |
2724 | struct e1000_mac_info *mac = &hw->mac; | |
2725 | u32 ctrl_ext, txdctl, snoop; | |
2726 | s32 ret_val; | |
2727 | u16 i; | |
2728 | ||
2729 | e1000_initialize_hw_bits_ich8lan(hw); | |
2730 | ||
2731 | /* Initialize identification LED */ | |
a4f58f54 | 2732 | ret_val = mac->ops.id_led_init(hw); |
bc7f75fa AK |
2733 | if (ret_val) { |
2734 | hw_dbg(hw, "Error initializing identification LED\n"); | |
2735 | return ret_val; | |
2736 | } | |
2737 | ||
2738 | /* Setup the receive address. */ | |
2739 | e1000e_init_rx_addrs(hw, mac->rar_entry_count); | |
2740 | ||
2741 | /* Zero out the Multicast HASH table */ | |
2742 | hw_dbg(hw, "Zeroing the MTA\n"); | |
2743 | for (i = 0; i < mac->mta_reg_count; i++) | |
2744 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); | |
2745 | ||
fc0c7760 BA |
2746 | /* |
2747 | * The 82578 Rx buffer will stall if wakeup is enabled in host and | |
2748 | * the ME. Reading the BM_WUC register will clear the host wakeup bit. | |
2749 | * Reset the phy after disabling host wakeup to reset the Rx buffer. | |
2750 | */ | |
2751 | if (hw->phy.type == e1000_phy_82578) { | |
2752 | hw->phy.ops.read_phy_reg(hw, BM_WUC, &i); | |
2753 | ret_val = e1000_phy_hw_reset_ich8lan(hw); | |
2754 | if (ret_val) | |
2755 | return ret_val; | |
2756 | } | |
2757 | ||
bc7f75fa AK |
2758 | /* Setup link and flow control */ |
2759 | ret_val = e1000_setup_link_ich8lan(hw); | |
2760 | ||
2761 | /* Set the transmit descriptor write-back policy for both queues */ | |
e9ec2c0f | 2762 | txdctl = er32(TXDCTL(0)); |
bc7f75fa AK |
2763 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
2764 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
2765 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
2766 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f JK |
2767 | ew32(TXDCTL(0), txdctl); |
2768 | txdctl = er32(TXDCTL(1)); | |
bc7f75fa AK |
2769 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
2770 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
2771 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
2772 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f | 2773 | ew32(TXDCTL(1), txdctl); |
bc7f75fa | 2774 | |
ad68076e BA |
2775 | /* |
2776 | * ICH8 has opposite polarity of no_snoop bits. | |
2777 | * By default, we should use snoop behavior. | |
2778 | */ | |
bc7f75fa AK |
2779 | if (mac->type == e1000_ich8lan) |
2780 | snoop = PCIE_ICH8_SNOOP_ALL; | |
2781 | else | |
2782 | snoop = (u32) ~(PCIE_NO_SNOOP_ALL); | |
2783 | e1000e_set_pcie_no_snoop(hw, snoop); | |
2784 | ||
2785 | ctrl_ext = er32(CTRL_EXT); | |
2786 | ctrl_ext |= E1000_CTRL_EXT_RO_DIS; | |
2787 | ew32(CTRL_EXT, ctrl_ext); | |
2788 | ||
ad68076e BA |
2789 | /* |
2790 | * Clear all of the statistics registers (clear on read). It is | |
bc7f75fa AK |
2791 | * important that we do this after we have tried to establish link |
2792 | * because the symbol error count will increment wildly if there | |
2793 | * is no link. | |
2794 | */ | |
2795 | e1000_clear_hw_cntrs_ich8lan(hw); | |
2796 | ||
2797 | return 0; | |
2798 | } | |
2799 | /** | |
2800 | * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits | |
2801 | * @hw: pointer to the HW structure | |
2802 | * | |
2803 | * Sets/Clears required hardware bits necessary for correctly setting up the | |
2804 | * hardware for transmit and receive. | |
2805 | **/ | |
2806 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) | |
2807 | { | |
2808 | u32 reg; | |
2809 | ||
2810 | /* Extended Device Control */ | |
2811 | reg = er32(CTRL_EXT); | |
2812 | reg |= (1 << 22); | |
a4f58f54 BA |
2813 | /* Enable PHY low-power state when MAC is at D3 w/o WoL */ |
2814 | if (hw->mac.type >= e1000_pchlan) | |
2815 | reg |= E1000_CTRL_EXT_PHYPDEN; | |
bc7f75fa AK |
2816 | ew32(CTRL_EXT, reg); |
2817 | ||
2818 | /* Transmit Descriptor Control 0 */ | |
e9ec2c0f | 2819 | reg = er32(TXDCTL(0)); |
bc7f75fa | 2820 | reg |= (1 << 22); |
e9ec2c0f | 2821 | ew32(TXDCTL(0), reg); |
bc7f75fa AK |
2822 | |
2823 | /* Transmit Descriptor Control 1 */ | |
e9ec2c0f | 2824 | reg = er32(TXDCTL(1)); |
bc7f75fa | 2825 | reg |= (1 << 22); |
e9ec2c0f | 2826 | ew32(TXDCTL(1), reg); |
bc7f75fa AK |
2827 | |
2828 | /* Transmit Arbitration Control 0 */ | |
e9ec2c0f | 2829 | reg = er32(TARC(0)); |
bc7f75fa AK |
2830 | if (hw->mac.type == e1000_ich8lan) |
2831 | reg |= (1 << 28) | (1 << 29); | |
2832 | reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27); | |
e9ec2c0f | 2833 | ew32(TARC(0), reg); |
bc7f75fa AK |
2834 | |
2835 | /* Transmit Arbitration Control 1 */ | |
e9ec2c0f | 2836 | reg = er32(TARC(1)); |
bc7f75fa AK |
2837 | if (er32(TCTL) & E1000_TCTL_MULR) |
2838 | reg &= ~(1 << 28); | |
2839 | else | |
2840 | reg |= (1 << 28); | |
2841 | reg |= (1 << 24) | (1 << 26) | (1 << 30); | |
e9ec2c0f | 2842 | ew32(TARC(1), reg); |
bc7f75fa AK |
2843 | |
2844 | /* Device Status */ | |
2845 | if (hw->mac.type == e1000_ich8lan) { | |
2846 | reg = er32(STATUS); | |
2847 | reg &= ~(1 << 31); | |
2848 | ew32(STATUS, reg); | |
2849 | } | |
2850 | } | |
2851 | ||
2852 | /** | |
2853 | * e1000_setup_link_ich8lan - Setup flow control and link settings | |
2854 | * @hw: pointer to the HW structure | |
2855 | * | |
2856 | * Determines which flow control settings to use, then configures flow | |
2857 | * control. Calls the appropriate media-specific link configuration | |
2858 | * function. Assuming the adapter has a valid link partner, a valid link | |
2859 | * should be established. Assumes the hardware has previously been reset | |
2860 | * and the transmitter and receiver are not enabled. | |
2861 | **/ | |
2862 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) | |
2863 | { | |
bc7f75fa AK |
2864 | s32 ret_val; |
2865 | ||
2866 | if (e1000_check_reset_block(hw)) | |
2867 | return 0; | |
2868 | ||
ad68076e BA |
2869 | /* |
2870 | * ICH parts do not have a word in the NVM to determine | |
bc7f75fa AK |
2871 | * the default flow control setting, so we explicitly |
2872 | * set it to full. | |
2873 | */ | |
37289d9c BA |
2874 | if (hw->fc.requested_mode == e1000_fc_default) { |
2875 | /* Workaround h/w hang when Tx flow control enabled */ | |
2876 | if (hw->mac.type == e1000_pchlan) | |
2877 | hw->fc.requested_mode = e1000_fc_rx_pause; | |
2878 | else | |
2879 | hw->fc.requested_mode = e1000_fc_full; | |
2880 | } | |
bc7f75fa | 2881 | |
5c48ef3e BA |
2882 | /* |
2883 | * Save off the requested flow control mode for use later. Depending | |
2884 | * on the link partner's capabilities, we may or may not use this mode. | |
2885 | */ | |
2886 | hw->fc.current_mode = hw->fc.requested_mode; | |
bc7f75fa | 2887 | |
5c48ef3e BA |
2888 | hw_dbg(hw, "After fix-ups FlowControl is now = %x\n", |
2889 | hw->fc.current_mode); | |
bc7f75fa AK |
2890 | |
2891 | /* Continue to configure the copper link. */ | |
2892 | ret_val = e1000_setup_copper_link_ich8lan(hw); | |
2893 | if (ret_val) | |
2894 | return ret_val; | |
2895 | ||
318a94d6 | 2896 | ew32(FCTTV, hw->fc.pause_time); |
a4f58f54 BA |
2897 | if ((hw->phy.type == e1000_phy_82578) || |
2898 | (hw->phy.type == e1000_phy_82577)) { | |
2899 | ret_val = hw->phy.ops.write_phy_reg(hw, | |
2900 | PHY_REG(BM_PORT_CTRL_PAGE, 27), | |
2901 | hw->fc.pause_time); | |
2902 | if (ret_val) | |
2903 | return ret_val; | |
2904 | } | |
bc7f75fa AK |
2905 | |
2906 | return e1000e_set_fc_watermarks(hw); | |
2907 | } | |
2908 | ||
2909 | /** | |
2910 | * e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface | |
2911 | * @hw: pointer to the HW structure | |
2912 | * | |
2913 | * Configures the kumeran interface to the PHY to wait the appropriate time | |
2914 | * when polling the PHY, then call the generic setup_copper_link to finish | |
2915 | * configuring the copper link. | |
2916 | **/ | |
2917 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) | |
2918 | { | |
2919 | u32 ctrl; | |
2920 | s32 ret_val; | |
2921 | u16 reg_data; | |
2922 | ||
2923 | ctrl = er32(CTRL); | |
2924 | ctrl |= E1000_CTRL_SLU; | |
2925 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); | |
2926 | ew32(CTRL, ctrl); | |
2927 | ||
ad68076e BA |
2928 | /* |
2929 | * Set the mac to wait the maximum time between each iteration | |
bc7f75fa | 2930 | * and increase the max iterations when polling the phy; |
ad68076e BA |
2931 | * this fixes erroneous timeouts at 10Mbps. |
2932 | */ | |
bc7f75fa AK |
2933 | ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF); |
2934 | if (ret_val) | |
2935 | return ret_val; | |
2936 | ret_val = e1000e_read_kmrn_reg(hw, GG82563_REG(0x34, 9), ®_data); | |
2937 | if (ret_val) | |
2938 | return ret_val; | |
2939 | reg_data |= 0x3F; | |
2940 | ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 9), reg_data); | |
2941 | if (ret_val) | |
2942 | return ret_val; | |
2943 | ||
a4f58f54 BA |
2944 | switch (hw->phy.type) { |
2945 | case e1000_phy_igp_3: | |
bc7f75fa AK |
2946 | ret_val = e1000e_copper_link_setup_igp(hw); |
2947 | if (ret_val) | |
2948 | return ret_val; | |
a4f58f54 BA |
2949 | break; |
2950 | case e1000_phy_bm: | |
2951 | case e1000_phy_82578: | |
97ac8cae BA |
2952 | ret_val = e1000e_copper_link_setup_m88(hw); |
2953 | if (ret_val) | |
2954 | return ret_val; | |
a4f58f54 BA |
2955 | break; |
2956 | case e1000_phy_82577: | |
2957 | ret_val = e1000_copper_link_setup_82577(hw); | |
2958 | if (ret_val) | |
2959 | return ret_val; | |
2960 | break; | |
2961 | case e1000_phy_ife: | |
2962 | ret_val = hw->phy.ops.read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, | |
2963 | ®_data); | |
97ac8cae BA |
2964 | if (ret_val) |
2965 | return ret_val; | |
2966 | ||
2967 | reg_data &= ~IFE_PMC_AUTO_MDIX; | |
2968 | ||
2969 | switch (hw->phy.mdix) { | |
2970 | case 1: | |
2971 | reg_data &= ~IFE_PMC_FORCE_MDIX; | |
2972 | break; | |
2973 | case 2: | |
2974 | reg_data |= IFE_PMC_FORCE_MDIX; | |
2975 | break; | |
2976 | case 0: | |
2977 | default: | |
2978 | reg_data |= IFE_PMC_AUTO_MDIX; | |
2979 | break; | |
2980 | } | |
a4f58f54 BA |
2981 | ret_val = hw->phy.ops.write_phy_reg(hw, IFE_PHY_MDIX_CONTROL, |
2982 | reg_data); | |
97ac8cae BA |
2983 | if (ret_val) |
2984 | return ret_val; | |
a4f58f54 BA |
2985 | break; |
2986 | default: | |
2987 | break; | |
97ac8cae | 2988 | } |
bc7f75fa AK |
2989 | return e1000e_setup_copper_link(hw); |
2990 | } | |
2991 | ||
2992 | /** | |
2993 | * e1000_get_link_up_info_ich8lan - Get current link speed and duplex | |
2994 | * @hw: pointer to the HW structure | |
2995 | * @speed: pointer to store current link speed | |
2996 | * @duplex: pointer to store the current link duplex | |
2997 | * | |
ad68076e | 2998 | * Calls the generic get_speed_and_duplex to retrieve the current link |
bc7f75fa AK |
2999 | * information and then calls the Kumeran lock loss workaround for links at |
3000 | * gigabit speeds. | |
3001 | **/ | |
3002 | static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, | |
3003 | u16 *duplex) | |
3004 | { | |
3005 | s32 ret_val; | |
3006 | ||
3007 | ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex); | |
3008 | if (ret_val) | |
3009 | return ret_val; | |
3010 | ||
3011 | if ((hw->mac.type == e1000_ich8lan) && | |
3012 | (hw->phy.type == e1000_phy_igp_3) && | |
3013 | (*speed == SPEED_1000)) { | |
3014 | ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw); | |
3015 | } | |
3016 | ||
3017 | return ret_val; | |
3018 | } | |
3019 | ||
3020 | /** | |
3021 | * e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround | |
3022 | * @hw: pointer to the HW structure | |
3023 | * | |
3024 | * Work-around for 82566 Kumeran PCS lock loss: | |
3025 | * On link status change (i.e. PCI reset, speed change) and link is up and | |
3026 | * speed is gigabit- | |
3027 | * 0) if workaround is optionally disabled do nothing | |
3028 | * 1) wait 1ms for Kumeran link to come up | |
3029 | * 2) check Kumeran Diagnostic register PCS lock loss bit | |
3030 | * 3) if not set the link is locked (all is good), otherwise... | |
3031 | * 4) reset the PHY | |
3032 | * 5) repeat up to 10 times | |
3033 | * Note: this is only called for IGP3 copper when speed is 1gb. | |
3034 | **/ | |
3035 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) | |
3036 | { | |
3037 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3038 | u32 phy_ctrl; | |
3039 | s32 ret_val; | |
3040 | u16 i, data; | |
3041 | bool link; | |
3042 | ||
3043 | if (!dev_spec->kmrn_lock_loss_workaround_enabled) | |
3044 | return 0; | |
3045 | ||
ad68076e BA |
3046 | /* |
3047 | * Make sure link is up before proceeding. If not just return. | |
bc7f75fa | 3048 | * Attempting this while link is negotiating fouled up link |
ad68076e BA |
3049 | * stability |
3050 | */ | |
bc7f75fa AK |
3051 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
3052 | if (!link) | |
3053 | return 0; | |
3054 | ||
3055 | for (i = 0; i < 10; i++) { | |
3056 | /* read once to clear */ | |
3057 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
3058 | if (ret_val) | |
3059 | return ret_val; | |
3060 | /* and again to get new status */ | |
3061 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
3062 | if (ret_val) | |
3063 | return ret_val; | |
3064 | ||
3065 | /* check for PCS lock */ | |
3066 | if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS)) | |
3067 | return 0; | |
3068 | ||
3069 | /* Issue PHY reset */ | |
3070 | e1000_phy_hw_reset(hw); | |
3071 | mdelay(5); | |
3072 | } | |
3073 | /* Disable GigE link negotiation */ | |
3074 | phy_ctrl = er32(PHY_CTRL); | |
3075 | phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE | | |
3076 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
3077 | ew32(PHY_CTRL, phy_ctrl); | |
3078 | ||
ad68076e BA |
3079 | /* |
3080 | * Call gig speed drop workaround on Gig disable before accessing | |
3081 | * any PHY registers | |
3082 | */ | |
bc7f75fa AK |
3083 | e1000e_gig_downshift_workaround_ich8lan(hw); |
3084 | ||
3085 | /* unable to acquire PCS lock */ | |
3086 | return -E1000_ERR_PHY; | |
3087 | } | |
3088 | ||
3089 | /** | |
ad68076e | 3090 | * e1000_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state |
bc7f75fa | 3091 | * @hw: pointer to the HW structure |
489815ce | 3092 | * @state: boolean value used to set the current Kumeran workaround state |
bc7f75fa AK |
3093 | * |
3094 | * If ICH8, set the current Kumeran workaround state (enabled - TRUE | |
3095 | * /disabled - FALSE). | |
3096 | **/ | |
3097 | void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, | |
3098 | bool state) | |
3099 | { | |
3100 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3101 | ||
3102 | if (hw->mac.type != e1000_ich8lan) { | |
3103 | hw_dbg(hw, "Workaround applies to ICH8 only.\n"); | |
3104 | return; | |
3105 | } | |
3106 | ||
3107 | dev_spec->kmrn_lock_loss_workaround_enabled = state; | |
3108 | } | |
3109 | ||
3110 | /** | |
3111 | * e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3 | |
3112 | * @hw: pointer to the HW structure | |
3113 | * | |
3114 | * Workaround for 82566 power-down on D3 entry: | |
3115 | * 1) disable gigabit link | |
3116 | * 2) write VR power-down enable | |
3117 | * 3) read it back | |
3118 | * Continue if successful, else issue LCD reset and repeat | |
3119 | **/ | |
3120 | void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) | |
3121 | { | |
3122 | u32 reg; | |
3123 | u16 data; | |
3124 | u8 retry = 0; | |
3125 | ||
3126 | if (hw->phy.type != e1000_phy_igp_3) | |
3127 | return; | |
3128 | ||
3129 | /* Try the workaround twice (if needed) */ | |
3130 | do { | |
3131 | /* Disable link */ | |
3132 | reg = er32(PHY_CTRL); | |
3133 | reg |= (E1000_PHY_CTRL_GBE_DISABLE | | |
3134 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
3135 | ew32(PHY_CTRL, reg); | |
3136 | ||
ad68076e BA |
3137 | /* |
3138 | * Call gig speed drop workaround on Gig disable before | |
3139 | * accessing any PHY registers | |
3140 | */ | |
bc7f75fa AK |
3141 | if (hw->mac.type == e1000_ich8lan) |
3142 | e1000e_gig_downshift_workaround_ich8lan(hw); | |
3143 | ||
3144 | /* Write VR power-down enable */ | |
3145 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3146 | data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3147 | e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN); | |
3148 | ||
3149 | /* Read it back and test */ | |
3150 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3151 | data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3152 | if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry) | |
3153 | break; | |
3154 | ||
3155 | /* Issue PHY reset and repeat at most one more time */ | |
3156 | reg = er32(CTRL); | |
3157 | ew32(CTRL, reg | E1000_CTRL_PHY_RST); | |
3158 | retry++; | |
3159 | } while (retry); | |
3160 | } | |
3161 | ||
3162 | /** | |
3163 | * e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working | |
3164 | * @hw: pointer to the HW structure | |
3165 | * | |
3166 | * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC), | |
489815ce | 3167 | * LPLU, Gig disable, MDIC PHY reset): |
bc7f75fa AK |
3168 | * 1) Set Kumeran Near-end loopback |
3169 | * 2) Clear Kumeran Near-end loopback | |
3170 | * Should only be called for ICH8[m] devices with IGP_3 Phy. | |
3171 | **/ | |
3172 | void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) | |
3173 | { | |
3174 | s32 ret_val; | |
3175 | u16 reg_data; | |
3176 | ||
3177 | if ((hw->mac.type != e1000_ich8lan) || | |
3178 | (hw->phy.type != e1000_phy_igp_3)) | |
3179 | return; | |
3180 | ||
3181 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3182 | ®_data); | |
3183 | if (ret_val) | |
3184 | return; | |
3185 | reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3186 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3187 | reg_data); | |
3188 | if (ret_val) | |
3189 | return; | |
3190 | reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3191 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3192 | reg_data); | |
3193 | } | |
3194 | ||
97ac8cae BA |
3195 | /** |
3196 | * e1000e_disable_gig_wol_ich8lan - disable gig during WoL | |
3197 | * @hw: pointer to the HW structure | |
3198 | * | |
3199 | * During S0 to Sx transition, it is possible the link remains at gig | |
3200 | * instead of negotiating to a lower speed. Before going to Sx, set | |
3201 | * 'LPLU Enabled' and 'Gig Disable' to force link speed negotiation | |
3202 | * to a lower speed. | |
3203 | * | |
a4f58f54 | 3204 | * Should only be called for applicable parts. |
97ac8cae BA |
3205 | **/ |
3206 | void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) | |
3207 | { | |
3208 | u32 phy_ctrl; | |
3209 | ||
a4f58f54 BA |
3210 | switch (hw->mac.type) { |
3211 | case e1000_ich9lan: | |
3212 | case e1000_ich10lan: | |
3213 | case e1000_pchlan: | |
97ac8cae BA |
3214 | phy_ctrl = er32(PHY_CTRL); |
3215 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | | |
3216 | E1000_PHY_CTRL_GBE_DISABLE; | |
3217 | ew32(PHY_CTRL, phy_ctrl); | |
a4f58f54 | 3218 | |
a4f58f54 | 3219 | if (hw->mac.type == e1000_pchlan) |
74eee2e8 | 3220 | e1000_phy_hw_reset_ich8lan(hw); |
a4f58f54 BA |
3221 | default: |
3222 | break; | |
97ac8cae BA |
3223 | } |
3224 | ||
3225 | return; | |
3226 | } | |
3227 | ||
bc7f75fa AK |
3228 | /** |
3229 | * e1000_cleanup_led_ich8lan - Restore the default LED operation | |
3230 | * @hw: pointer to the HW structure | |
3231 | * | |
3232 | * Return the LED back to the default configuration. | |
3233 | **/ | |
3234 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw) | |
3235 | { | |
3236 | if (hw->phy.type == e1000_phy_ife) | |
3237 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); | |
3238 | ||
3239 | ew32(LEDCTL, hw->mac.ledctl_default); | |
3240 | return 0; | |
3241 | } | |
3242 | ||
3243 | /** | |
489815ce | 3244 | * e1000_led_on_ich8lan - Turn LEDs on |
bc7f75fa AK |
3245 | * @hw: pointer to the HW structure |
3246 | * | |
489815ce | 3247 | * Turn on the LEDs. |
bc7f75fa AK |
3248 | **/ |
3249 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) | |
3250 | { | |
3251 | if (hw->phy.type == e1000_phy_ife) | |
3252 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3253 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON)); | |
3254 | ||
3255 | ew32(LEDCTL, hw->mac.ledctl_mode2); | |
3256 | return 0; | |
3257 | } | |
3258 | ||
3259 | /** | |
489815ce | 3260 | * e1000_led_off_ich8lan - Turn LEDs off |
bc7f75fa AK |
3261 | * @hw: pointer to the HW structure |
3262 | * | |
489815ce | 3263 | * Turn off the LEDs. |
bc7f75fa AK |
3264 | **/ |
3265 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) | |
3266 | { | |
3267 | if (hw->phy.type == e1000_phy_ife) | |
3268 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3269 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF)); | |
3270 | ||
3271 | ew32(LEDCTL, hw->mac.ledctl_mode1); | |
3272 | return 0; | |
3273 | } | |
3274 | ||
a4f58f54 BA |
3275 | /** |
3276 | * e1000_setup_led_pchlan - Configures SW controllable LED | |
3277 | * @hw: pointer to the HW structure | |
3278 | * | |
3279 | * This prepares the SW controllable LED for use. | |
3280 | **/ | |
3281 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw) | |
3282 | { | |
3283 | return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, | |
3284 | (u16)hw->mac.ledctl_mode1); | |
3285 | } | |
3286 | ||
3287 | /** | |
3288 | * e1000_cleanup_led_pchlan - Restore the default LED operation | |
3289 | * @hw: pointer to the HW structure | |
3290 | * | |
3291 | * Return the LED back to the default configuration. | |
3292 | **/ | |
3293 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw) | |
3294 | { | |
3295 | return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, | |
3296 | (u16)hw->mac.ledctl_default); | |
3297 | } | |
3298 | ||
3299 | /** | |
3300 | * e1000_led_on_pchlan - Turn LEDs on | |
3301 | * @hw: pointer to the HW structure | |
3302 | * | |
3303 | * Turn on the LEDs. | |
3304 | **/ | |
3305 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw) | |
3306 | { | |
3307 | u16 data = (u16)hw->mac.ledctl_mode2; | |
3308 | u32 i, led; | |
3309 | ||
3310 | /* | |
3311 | * If no link, then turn LED on by setting the invert bit | |
3312 | * for each LED that's mode is "link_up" in ledctl_mode2. | |
3313 | */ | |
3314 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3315 | for (i = 0; i < 3; i++) { | |
3316 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3317 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3318 | E1000_LEDCTL_MODE_LINK_UP) | |
3319 | continue; | |
3320 | if (led & E1000_PHY_LED0_IVRT) | |
3321 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3322 | else | |
3323 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3324 | } | |
3325 | } | |
3326 | ||
3327 | return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data); | |
3328 | } | |
3329 | ||
3330 | /** | |
3331 | * e1000_led_off_pchlan - Turn LEDs off | |
3332 | * @hw: pointer to the HW structure | |
3333 | * | |
3334 | * Turn off the LEDs. | |
3335 | **/ | |
3336 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw) | |
3337 | { | |
3338 | u16 data = (u16)hw->mac.ledctl_mode1; | |
3339 | u32 i, led; | |
3340 | ||
3341 | /* | |
3342 | * If no link, then turn LED off by clearing the invert bit | |
3343 | * for each LED that's mode is "link_up" in ledctl_mode1. | |
3344 | */ | |
3345 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3346 | for (i = 0; i < 3; i++) { | |
3347 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3348 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3349 | E1000_LEDCTL_MODE_LINK_UP) | |
3350 | continue; | |
3351 | if (led & E1000_PHY_LED0_IVRT) | |
3352 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3353 | else | |
3354 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3355 | } | |
3356 | } | |
3357 | ||
3358 | return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data); | |
3359 | } | |
3360 | ||
f4187b56 BA |
3361 | /** |
3362 | * e1000_get_cfg_done_ich8lan - Read config done bit | |
3363 | * @hw: pointer to the HW structure | |
3364 | * | |
3365 | * Read the management control register for the config done bit for | |
3366 | * completion status. NOTE: silicon which is EEPROM-less will fail trying | |
3367 | * to read the config done bit, so an error is *ONLY* logged and returns | |
a4f58f54 | 3368 | * 0. If we were to return with error, EEPROM-less silicon |
f4187b56 BA |
3369 | * would not be able to be reset or change link. |
3370 | **/ | |
3371 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) | |
3372 | { | |
3373 | u32 bank = 0; | |
3374 | ||
fc0c7760 BA |
3375 | if (hw->mac.type >= e1000_pchlan) { |
3376 | u32 status = er32(STATUS); | |
3377 | ||
3378 | if (status & E1000_STATUS_PHYRA) | |
3379 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
3380 | else | |
3381 | hw_dbg(hw, | |
3382 | "PHY Reset Asserted not set - needs delay\n"); | |
3383 | } | |
3384 | ||
f4187b56 BA |
3385 | e1000e_get_cfg_done(hw); |
3386 | ||
3387 | /* If EEPROM is not marked present, init the IGP 3 PHY manually */ | |
a4f58f54 BA |
3388 | if ((hw->mac.type != e1000_ich10lan) && |
3389 | (hw->mac.type != e1000_pchlan)) { | |
f4187b56 BA |
3390 | if (((er32(EECD) & E1000_EECD_PRES) == 0) && |
3391 | (hw->phy.type == e1000_phy_igp_3)) { | |
3392 | e1000e_phy_init_script_igp3(hw); | |
3393 | } | |
3394 | } else { | |
3395 | if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) { | |
3396 | /* Maybe we should do a basic PHY config */ | |
3397 | hw_dbg(hw, "EEPROM not present\n"); | |
3398 | return -E1000_ERR_CONFIG; | |
3399 | } | |
3400 | } | |
3401 | ||
3402 | return 0; | |
3403 | } | |
3404 | ||
bc7f75fa AK |
3405 | /** |
3406 | * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters | |
3407 | * @hw: pointer to the HW structure | |
3408 | * | |
3409 | * Clears hardware counters specific to the silicon family and calls | |
3410 | * clear_hw_cntrs_generic to clear all general purpose counters. | |
3411 | **/ | |
3412 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) | |
3413 | { | |
3414 | u32 temp; | |
a4f58f54 | 3415 | u16 phy_data; |
bc7f75fa AK |
3416 | |
3417 | e1000e_clear_hw_cntrs_base(hw); | |
3418 | ||
3419 | temp = er32(ALGNERRC); | |
3420 | temp = er32(RXERRC); | |
3421 | temp = er32(TNCRS); | |
3422 | temp = er32(CEXTERR); | |
3423 | temp = er32(TSCTC); | |
3424 | temp = er32(TSCTFC); | |
3425 | ||
3426 | temp = er32(MGTPRC); | |
3427 | temp = er32(MGTPDC); | |
3428 | temp = er32(MGTPTC); | |
3429 | ||
3430 | temp = er32(IAC); | |
3431 | temp = er32(ICRXOC); | |
3432 | ||
a4f58f54 BA |
3433 | /* Clear PHY statistics registers */ |
3434 | if ((hw->phy.type == e1000_phy_82578) || | |
3435 | (hw->phy.type == e1000_phy_82577)) { | |
3436 | hw->phy.ops.read_phy_reg(hw, HV_SCC_UPPER, &phy_data); | |
3437 | hw->phy.ops.read_phy_reg(hw, HV_SCC_LOWER, &phy_data); | |
3438 | hw->phy.ops.read_phy_reg(hw, HV_ECOL_UPPER, &phy_data); | |
3439 | hw->phy.ops.read_phy_reg(hw, HV_ECOL_LOWER, &phy_data); | |
3440 | hw->phy.ops.read_phy_reg(hw, HV_MCC_UPPER, &phy_data); | |
3441 | hw->phy.ops.read_phy_reg(hw, HV_MCC_LOWER, &phy_data); | |
3442 | hw->phy.ops.read_phy_reg(hw, HV_LATECOL_UPPER, &phy_data); | |
3443 | hw->phy.ops.read_phy_reg(hw, HV_LATECOL_LOWER, &phy_data); | |
3444 | hw->phy.ops.read_phy_reg(hw, HV_COLC_UPPER, &phy_data); | |
3445 | hw->phy.ops.read_phy_reg(hw, HV_COLC_LOWER, &phy_data); | |
3446 | hw->phy.ops.read_phy_reg(hw, HV_DC_UPPER, &phy_data); | |
3447 | hw->phy.ops.read_phy_reg(hw, HV_DC_LOWER, &phy_data); | |
3448 | hw->phy.ops.read_phy_reg(hw, HV_TNCRS_UPPER, &phy_data); | |
3449 | hw->phy.ops.read_phy_reg(hw, HV_TNCRS_LOWER, &phy_data); | |
3450 | } | |
bc7f75fa AK |
3451 | } |
3452 | ||
3453 | static struct e1000_mac_operations ich8_mac_ops = { | |
a4f58f54 | 3454 | .id_led_init = e1000e_id_led_init, |
4662e82b | 3455 | .check_mng_mode = e1000_check_mng_mode_ich8lan, |
7d3cabbc | 3456 | .check_for_link = e1000_check_for_copper_link_ich8lan, |
a4f58f54 | 3457 | /* cleanup_led dependent on mac type */ |
bc7f75fa AK |
3458 | .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, |
3459 | .get_bus_info = e1000_get_bus_info_ich8lan, | |
3460 | .get_link_up_info = e1000_get_link_up_info_ich8lan, | |
a4f58f54 BA |
3461 | /* led_on dependent on mac type */ |
3462 | /* led_off dependent on mac type */ | |
e2de3eb6 | 3463 | .update_mc_addr_list = e1000e_update_mc_addr_list_generic, |
bc7f75fa AK |
3464 | .reset_hw = e1000_reset_hw_ich8lan, |
3465 | .init_hw = e1000_init_hw_ich8lan, | |
3466 | .setup_link = e1000_setup_link_ich8lan, | |
3467 | .setup_physical_interface= e1000_setup_copper_link_ich8lan, | |
a4f58f54 | 3468 | /* id_led_init dependent on mac type */ |
bc7f75fa AK |
3469 | }; |
3470 | ||
3471 | static struct e1000_phy_operations ich8_phy_ops = { | |
3472 | .acquire_phy = e1000_acquire_swflag_ich8lan, | |
3473 | .check_reset_block = e1000_check_reset_block_ich8lan, | |
3474 | .commit_phy = NULL, | |
3475 | .force_speed_duplex = e1000_phy_force_speed_duplex_ich8lan, | |
f4187b56 | 3476 | .get_cfg_done = e1000_get_cfg_done_ich8lan, |
bc7f75fa AK |
3477 | .get_cable_length = e1000e_get_cable_length_igp_2, |
3478 | .get_phy_info = e1000_get_phy_info_ich8lan, | |
3479 | .read_phy_reg = e1000e_read_phy_reg_igp, | |
3480 | .release_phy = e1000_release_swflag_ich8lan, | |
3481 | .reset_phy = e1000_phy_hw_reset_ich8lan, | |
3482 | .set_d0_lplu_state = e1000_set_d0_lplu_state_ich8lan, | |
3483 | .set_d3_lplu_state = e1000_set_d3_lplu_state_ich8lan, | |
3484 | .write_phy_reg = e1000e_write_phy_reg_igp, | |
3485 | }; | |
3486 | ||
3487 | static struct e1000_nvm_operations ich8_nvm_ops = { | |
ca15df58 | 3488 | .acquire_nvm = e1000_acquire_nvm_ich8lan, |
bc7f75fa | 3489 | .read_nvm = e1000_read_nvm_ich8lan, |
ca15df58 | 3490 | .release_nvm = e1000_release_nvm_ich8lan, |
bc7f75fa AK |
3491 | .update_nvm = e1000_update_nvm_checksum_ich8lan, |
3492 | .valid_led_default = e1000_valid_led_default_ich8lan, | |
3493 | .validate_nvm = e1000_validate_nvm_checksum_ich8lan, | |
3494 | .write_nvm = e1000_write_nvm_ich8lan, | |
3495 | }; | |
3496 | ||
3497 | struct e1000_info e1000_ich8_info = { | |
3498 | .mac = e1000_ich8lan, | |
3499 | .flags = FLAG_HAS_WOL | |
97ac8cae | 3500 | | FLAG_IS_ICH |
bc7f75fa AK |
3501 | | FLAG_RX_CSUM_ENABLED |
3502 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3503 | | FLAG_HAS_AMT | |
3504 | | FLAG_HAS_FLASH | |
3505 | | FLAG_APME_IN_WUC, | |
3506 | .pba = 8, | |
2adc55c9 | 3507 | .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, |
69e3fd8c | 3508 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3509 | .mac_ops = &ich8_mac_ops, |
3510 | .phy_ops = &ich8_phy_ops, | |
3511 | .nvm_ops = &ich8_nvm_ops, | |
3512 | }; | |
3513 | ||
3514 | struct e1000_info e1000_ich9_info = { | |
3515 | .mac = e1000_ich9lan, | |
3516 | .flags = FLAG_HAS_JUMBO_FRAMES | |
97ac8cae | 3517 | | FLAG_IS_ICH |
bc7f75fa AK |
3518 | | FLAG_HAS_WOL |
3519 | | FLAG_RX_CSUM_ENABLED | |
3520 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3521 | | FLAG_HAS_AMT | |
3522 | | FLAG_HAS_ERT | |
3523 | | FLAG_HAS_FLASH | |
3524 | | FLAG_APME_IN_WUC, | |
3525 | .pba = 10, | |
2adc55c9 | 3526 | .max_hw_frame_size = DEFAULT_JUMBO, |
69e3fd8c | 3527 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3528 | .mac_ops = &ich8_mac_ops, |
3529 | .phy_ops = &ich8_phy_ops, | |
3530 | .nvm_ops = &ich8_nvm_ops, | |
3531 | }; | |
3532 | ||
f4187b56 BA |
3533 | struct e1000_info e1000_ich10_info = { |
3534 | .mac = e1000_ich10lan, | |
3535 | .flags = FLAG_HAS_JUMBO_FRAMES | |
3536 | | FLAG_IS_ICH | |
3537 | | FLAG_HAS_WOL | |
3538 | | FLAG_RX_CSUM_ENABLED | |
3539 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3540 | | FLAG_HAS_AMT | |
3541 | | FLAG_HAS_ERT | |
3542 | | FLAG_HAS_FLASH | |
3543 | | FLAG_APME_IN_WUC, | |
3544 | .pba = 10, | |
2adc55c9 | 3545 | .max_hw_frame_size = DEFAULT_JUMBO, |
f4187b56 BA |
3546 | .get_variants = e1000_get_variants_ich8lan, |
3547 | .mac_ops = &ich8_mac_ops, | |
3548 | .phy_ops = &ich8_phy_ops, | |
3549 | .nvm_ops = &ich8_nvm_ops, | |
3550 | }; | |
a4f58f54 BA |
3551 | |
3552 | struct e1000_info e1000_pch_info = { | |
3553 | .mac = e1000_pchlan, | |
3554 | .flags = FLAG_IS_ICH | |
3555 | | FLAG_HAS_WOL | |
3556 | | FLAG_RX_CSUM_ENABLED | |
3557 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3558 | | FLAG_HAS_AMT | |
3559 | | FLAG_HAS_FLASH | |
3560 | | FLAG_HAS_JUMBO_FRAMES | |
3561 | | FLAG_APME_IN_WUC, | |
3562 | .pba = 26, | |
3563 | .max_hw_frame_size = 4096, | |
3564 | .get_variants = e1000_get_variants_ich8lan, | |
3565 | .mac_ops = &ich8_mac_ops, | |
3566 | .phy_ops = &ich8_phy_ops, | |
3567 | .nvm_ops = &ich8_nvm_ops, | |
3568 | }; |