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bc7f75fa AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel PRO/1000 Linux driver | |
c7e54b1b | 4 | Copyright(c) 1999 - 2009 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 | ||
bc7f75fa AK |
57 | #include "e1000.h" |
58 | ||
59 | #define ICH_FLASH_GFPREG 0x0000 | |
60 | #define ICH_FLASH_HSFSTS 0x0004 | |
61 | #define ICH_FLASH_HSFCTL 0x0006 | |
62 | #define ICH_FLASH_FADDR 0x0008 | |
63 | #define ICH_FLASH_FDATA0 0x0010 | |
4a770358 | 64 | #define ICH_FLASH_PR0 0x0074 |
bc7f75fa AK |
65 | |
66 | #define ICH_FLASH_READ_COMMAND_TIMEOUT 500 | |
67 | #define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500 | |
68 | #define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000 | |
69 | #define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF | |
70 | #define ICH_FLASH_CYCLE_REPEAT_COUNT 10 | |
71 | ||
72 | #define ICH_CYCLE_READ 0 | |
73 | #define ICH_CYCLE_WRITE 2 | |
74 | #define ICH_CYCLE_ERASE 3 | |
75 | ||
76 | #define FLASH_GFPREG_BASE_MASK 0x1FFF | |
77 | #define FLASH_SECTOR_ADDR_SHIFT 12 | |
78 | ||
79 | #define ICH_FLASH_SEG_SIZE_256 256 | |
80 | #define ICH_FLASH_SEG_SIZE_4K 4096 | |
81 | #define ICH_FLASH_SEG_SIZE_8K 8192 | |
82 | #define ICH_FLASH_SEG_SIZE_64K 65536 | |
83 | ||
84 | ||
85 | #define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */ | |
86 | ||
87 | #define E1000_ICH_MNG_IAMT_MODE 0x2 | |
88 | ||
89 | #define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \ | |
90 | (ID_LED_DEF1_OFF2 << 8) | \ | |
91 | (ID_LED_DEF1_ON2 << 4) | \ | |
92 | (ID_LED_DEF1_DEF2)) | |
93 | ||
94 | #define E1000_ICH_NVM_SIG_WORD 0x13 | |
95 | #define E1000_ICH_NVM_SIG_MASK 0xC000 | |
e243455d BA |
96 | #define E1000_ICH_NVM_VALID_SIG_MASK 0xC0 |
97 | #define E1000_ICH_NVM_SIG_VALUE 0x80 | |
bc7f75fa AK |
98 | |
99 | #define E1000_ICH8_LAN_INIT_TIMEOUT 1500 | |
100 | ||
101 | #define E1000_FEXTNVM_SW_CONFIG 1 | |
102 | #define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */ | |
103 | ||
104 | #define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL | |
105 | ||
106 | #define E1000_ICH_RAR_ENTRIES 7 | |
107 | ||
108 | #define PHY_PAGE_SHIFT 5 | |
109 | #define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \ | |
110 | ((reg) & MAX_PHY_REG_ADDRESS)) | |
111 | #define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */ | |
112 | #define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */ | |
113 | ||
114 | #define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002 | |
115 | #define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300 | |
116 | #define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200 | |
117 | ||
a4f58f54 BA |
118 | #define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */ |
119 | ||
53ac5a88 BA |
120 | #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ |
121 | ||
f523d211 BA |
122 | /* SMBus Address Phy Register */ |
123 | #define HV_SMB_ADDR PHY_REG(768, 26) | |
124 | #define HV_SMB_ADDR_PEC_EN 0x0200 | |
125 | #define HV_SMB_ADDR_VALID 0x0080 | |
126 | ||
127 | /* Strapping Option Register - RO */ | |
128 | #define E1000_STRAP 0x0000C | |
129 | #define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 | |
130 | #define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 | |
131 | ||
fa2ce13c BA |
132 | /* OEM Bits Phy Register */ |
133 | #define HV_OEM_BITS PHY_REG(768, 25) | |
134 | #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ | |
f523d211 | 135 | #define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ |
fa2ce13c BA |
136 | #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ |
137 | ||
1d5846b9 BA |
138 | #define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ |
139 | #define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ | |
140 | ||
fddaa1af BA |
141 | /* KMRN Mode Control */ |
142 | #define HV_KMRN_MODE_CTRL PHY_REG(769, 16) | |
143 | #define HV_KMRN_MDIO_SLOW 0x0400 | |
144 | ||
bc7f75fa AK |
145 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ |
146 | /* Offset 04h HSFSTS */ | |
147 | union ich8_hws_flash_status { | |
148 | struct ich8_hsfsts { | |
149 | u16 flcdone :1; /* bit 0 Flash Cycle Done */ | |
150 | u16 flcerr :1; /* bit 1 Flash Cycle Error */ | |
151 | u16 dael :1; /* bit 2 Direct Access error Log */ | |
152 | u16 berasesz :2; /* bit 4:3 Sector Erase Size */ | |
153 | u16 flcinprog :1; /* bit 5 flash cycle in Progress */ | |
154 | u16 reserved1 :2; /* bit 13:6 Reserved */ | |
155 | u16 reserved2 :6; /* bit 13:6 Reserved */ | |
156 | u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */ | |
157 | u16 flockdn :1; /* bit 15 Flash Config Lock-Down */ | |
158 | } hsf_status; | |
159 | u16 regval; | |
160 | }; | |
161 | ||
162 | /* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */ | |
163 | /* Offset 06h FLCTL */ | |
164 | union ich8_hws_flash_ctrl { | |
165 | struct ich8_hsflctl { | |
166 | u16 flcgo :1; /* 0 Flash Cycle Go */ | |
167 | u16 flcycle :2; /* 2:1 Flash Cycle */ | |
168 | u16 reserved :5; /* 7:3 Reserved */ | |
169 | u16 fldbcount :2; /* 9:8 Flash Data Byte Count */ | |
170 | u16 flockdn :6; /* 15:10 Reserved */ | |
171 | } hsf_ctrl; | |
172 | u16 regval; | |
173 | }; | |
174 | ||
175 | /* ICH Flash Region Access Permissions */ | |
176 | union ich8_hws_flash_regacc { | |
177 | struct ich8_flracc { | |
178 | u32 grra :8; /* 0:7 GbE region Read Access */ | |
179 | u32 grwa :8; /* 8:15 GbE region Write Access */ | |
180 | u32 gmrag :8; /* 23:16 GbE Master Read Access Grant */ | |
181 | u32 gmwag :8; /* 31:24 GbE Master Write Access Grant */ | |
182 | } hsf_flregacc; | |
183 | u16 regval; | |
184 | }; | |
185 | ||
4a770358 BA |
186 | /* ICH Flash Protected Region */ |
187 | union ich8_flash_protected_range { | |
188 | struct ich8_pr { | |
189 | u32 base:13; /* 0:12 Protected Range Base */ | |
190 | u32 reserved1:2; /* 13:14 Reserved */ | |
191 | u32 rpe:1; /* 15 Read Protection Enable */ | |
192 | u32 limit:13; /* 16:28 Protected Range Limit */ | |
193 | u32 reserved2:2; /* 29:30 Reserved */ | |
194 | u32 wpe:1; /* 31 Write Protection Enable */ | |
195 | } range; | |
196 | u32 regval; | |
197 | }; | |
198 | ||
bc7f75fa AK |
199 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw); |
200 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw); | |
201 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw); | |
bc7f75fa AK |
202 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank); |
203 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
204 | u32 offset, u8 byte); | |
f4187b56 BA |
205 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, |
206 | u8 *data); | |
bc7f75fa AK |
207 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, |
208 | u16 *data); | |
209 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
210 | u8 size, u16 *data); | |
211 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw); | |
212 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw); | |
f4187b56 | 213 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw); |
a4f58f54 BA |
214 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw); |
215 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw); | |
216 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw); | |
217 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw); | |
218 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); | |
219 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); | |
220 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); | |
221 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); | |
fa2ce13c | 222 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); |
17f208de | 223 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw); |
f523d211 | 224 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); |
1d5846b9 | 225 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); |
fddaa1af | 226 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw); |
bc7f75fa AK |
227 | |
228 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) | |
229 | { | |
230 | return readw(hw->flash_address + reg); | |
231 | } | |
232 | ||
233 | static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg) | |
234 | { | |
235 | return readl(hw->flash_address + reg); | |
236 | } | |
237 | ||
238 | static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val) | |
239 | { | |
240 | writew(val, hw->flash_address + reg); | |
241 | } | |
242 | ||
243 | static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) | |
244 | { | |
245 | writel(val, hw->flash_address + reg); | |
246 | } | |
247 | ||
248 | #define er16flash(reg) __er16flash(hw, (reg)) | |
249 | #define er32flash(reg) __er32flash(hw, (reg)) | |
250 | #define ew16flash(reg,val) __ew16flash(hw, (reg), (val)) | |
251 | #define ew32flash(reg,val) __ew32flash(hw, (reg), (val)) | |
252 | ||
a4f58f54 BA |
253 | /** |
254 | * e1000_init_phy_params_pchlan - Initialize PHY function pointers | |
255 | * @hw: pointer to the HW structure | |
256 | * | |
257 | * Initialize family-specific PHY parameters and function pointers. | |
258 | **/ | |
259 | static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) | |
260 | { | |
261 | struct e1000_phy_info *phy = &hw->phy; | |
262 | s32 ret_val = 0; | |
263 | ||
264 | phy->addr = 1; | |
265 | phy->reset_delay_us = 100; | |
266 | ||
94d8186a BA |
267 | phy->ops.read_reg = e1000_read_phy_reg_hv; |
268 | phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked; | |
fa2ce13c BA |
269 | phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan; |
270 | phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan; | |
94d8186a BA |
271 | phy->ops.write_reg = e1000_write_phy_reg_hv; |
272 | phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked; | |
17f208de BA |
273 | phy->ops.power_up = e1000_power_up_phy_copper; |
274 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
a4f58f54 BA |
275 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; |
276 | ||
277 | phy->id = e1000_phy_unknown; | |
fddaa1af BA |
278 | ret_val = e1000e_get_phy_id(hw); |
279 | if (ret_val) | |
280 | goto out; | |
281 | if ((phy->id == 0) || (phy->id == PHY_REVISION_MASK)) { | |
282 | /* | |
283 | * In case the PHY needs to be in mdio slow mode (eg. 82577), | |
284 | * set slow mode and try to get the PHY id again. | |
285 | */ | |
286 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
287 | if (ret_val) | |
288 | goto out; | |
289 | ret_val = e1000e_get_phy_id(hw); | |
290 | if (ret_val) | |
291 | goto out; | |
292 | } | |
a4f58f54 BA |
293 | phy->type = e1000e_get_phy_type_from_id(phy->id); |
294 | ||
0be84010 BA |
295 | switch (phy->type) { |
296 | case e1000_phy_82577: | |
a4f58f54 BA |
297 | phy->ops.check_polarity = e1000_check_polarity_82577; |
298 | phy->ops.force_speed_duplex = | |
299 | e1000_phy_force_speed_duplex_82577; | |
0be84010 | 300 | phy->ops.get_cable_length = e1000_get_cable_length_82577; |
94d8186a BA |
301 | phy->ops.get_info = e1000_get_phy_info_82577; |
302 | phy->ops.commit = e1000e_phy_sw_reset; | |
0be84010 BA |
303 | case e1000_phy_82578: |
304 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
305 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
306 | phy->ops.get_cable_length = e1000e_get_cable_length_m88; | |
307 | phy->ops.get_info = e1000e_get_phy_info_m88; | |
308 | break; | |
309 | default: | |
310 | ret_val = -E1000_ERR_PHY; | |
311 | break; | |
a4f58f54 BA |
312 | } |
313 | ||
fddaa1af | 314 | out: |
a4f58f54 BA |
315 | return ret_val; |
316 | } | |
317 | ||
bc7f75fa AK |
318 | /** |
319 | * e1000_init_phy_params_ich8lan - Initialize PHY function pointers | |
320 | * @hw: pointer to the HW structure | |
321 | * | |
322 | * Initialize family-specific PHY parameters and function pointers. | |
323 | **/ | |
324 | static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) | |
325 | { | |
326 | struct e1000_phy_info *phy = &hw->phy; | |
327 | s32 ret_val; | |
328 | u16 i = 0; | |
329 | ||
330 | phy->addr = 1; | |
331 | phy->reset_delay_us = 100; | |
332 | ||
17f208de BA |
333 | phy->ops.power_up = e1000_power_up_phy_copper; |
334 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
335 | ||
97ac8cae BA |
336 | /* |
337 | * We may need to do this twice - once for IGP and if that fails, | |
338 | * we'll set BM func pointers and try again | |
339 | */ | |
340 | ret_val = e1000e_determine_phy_address(hw); | |
341 | if (ret_val) { | |
94d8186a BA |
342 | phy->ops.write_reg = e1000e_write_phy_reg_bm; |
343 | phy->ops.read_reg = e1000e_read_phy_reg_bm; | |
97ac8cae | 344 | ret_val = e1000e_determine_phy_address(hw); |
9b71b419 BA |
345 | if (ret_val) { |
346 | e_dbg("Cannot determine PHY addr. Erroring out\n"); | |
97ac8cae | 347 | return ret_val; |
9b71b419 | 348 | } |
97ac8cae BA |
349 | } |
350 | ||
bc7f75fa AK |
351 | phy->id = 0; |
352 | while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) && | |
353 | (i++ < 100)) { | |
354 | msleep(1); | |
355 | ret_val = e1000e_get_phy_id(hw); | |
356 | if (ret_val) | |
357 | return ret_val; | |
358 | } | |
359 | ||
360 | /* Verify phy id */ | |
361 | switch (phy->id) { | |
362 | case IGP03E1000_E_PHY_ID: | |
363 | phy->type = e1000_phy_igp_3; | |
364 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
365 | phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked; |
366 | phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked; | |
0be84010 BA |
367 | phy->ops.get_info = e1000e_get_phy_info_igp; |
368 | phy->ops.check_polarity = e1000_check_polarity_igp; | |
369 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp; | |
bc7f75fa AK |
370 | break; |
371 | case IFE_E_PHY_ID: | |
372 | case IFE_PLUS_E_PHY_ID: | |
373 | case IFE_C_E_PHY_ID: | |
374 | phy->type = e1000_phy_ife; | |
375 | phy->autoneg_mask = E1000_ALL_NOT_GIG; | |
0be84010 BA |
376 | phy->ops.get_info = e1000_get_phy_info_ife; |
377 | phy->ops.check_polarity = e1000_check_polarity_ife; | |
378 | phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife; | |
bc7f75fa | 379 | break; |
97ac8cae BA |
380 | case BME1000_E_PHY_ID: |
381 | phy->type = e1000_phy_bm; | |
382 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
383 | phy->ops.read_reg = e1000e_read_phy_reg_bm; |
384 | phy->ops.write_reg = e1000e_write_phy_reg_bm; | |
385 | phy->ops.commit = e1000e_phy_sw_reset; | |
0be84010 BA |
386 | phy->ops.get_info = e1000e_get_phy_info_m88; |
387 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
388 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
97ac8cae | 389 | break; |
bc7f75fa AK |
390 | default: |
391 | return -E1000_ERR_PHY; | |
392 | break; | |
393 | } | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | /** | |
399 | * e1000_init_nvm_params_ich8lan - Initialize NVM function pointers | |
400 | * @hw: pointer to the HW structure | |
401 | * | |
402 | * Initialize family-specific NVM parameters and function | |
403 | * pointers. | |
404 | **/ | |
405 | static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) | |
406 | { | |
407 | struct e1000_nvm_info *nvm = &hw->nvm; | |
408 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
148675a7 | 409 | u32 gfpreg, sector_base_addr, sector_end_addr; |
bc7f75fa AK |
410 | u16 i; |
411 | ||
ad68076e | 412 | /* Can't read flash registers if the register set isn't mapped. */ |
bc7f75fa | 413 | if (!hw->flash_address) { |
3bb99fe2 | 414 | e_dbg("ERROR: Flash registers not mapped\n"); |
bc7f75fa AK |
415 | return -E1000_ERR_CONFIG; |
416 | } | |
417 | ||
418 | nvm->type = e1000_nvm_flash_sw; | |
419 | ||
420 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
421 | ||
ad68076e BA |
422 | /* |
423 | * sector_X_addr is a "sector"-aligned address (4096 bytes) | |
bc7f75fa | 424 | * Add 1 to sector_end_addr since this sector is included in |
ad68076e BA |
425 | * the overall size. |
426 | */ | |
bc7f75fa AK |
427 | sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK; |
428 | sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1; | |
429 | ||
430 | /* flash_base_addr is byte-aligned */ | |
431 | nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT; | |
432 | ||
ad68076e BA |
433 | /* |
434 | * find total size of the NVM, then cut in half since the total | |
435 | * size represents two separate NVM banks. | |
436 | */ | |
bc7f75fa AK |
437 | nvm->flash_bank_size = (sector_end_addr - sector_base_addr) |
438 | << FLASH_SECTOR_ADDR_SHIFT; | |
439 | nvm->flash_bank_size /= 2; | |
440 | /* Adjust to word count */ | |
441 | nvm->flash_bank_size /= sizeof(u16); | |
442 | ||
443 | nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS; | |
444 | ||
445 | /* Clear shadow ram */ | |
446 | for (i = 0; i < nvm->word_size; i++) { | |
564ea9bb | 447 | dev_spec->shadow_ram[i].modified = false; |
bc7f75fa AK |
448 | dev_spec->shadow_ram[i].value = 0xFFFF; |
449 | } | |
450 | ||
451 | return 0; | |
452 | } | |
453 | ||
454 | /** | |
455 | * e1000_init_mac_params_ich8lan - Initialize MAC function pointers | |
456 | * @hw: pointer to the HW structure | |
457 | * | |
458 | * Initialize family-specific MAC parameters and function | |
459 | * pointers. | |
460 | **/ | |
461 | static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) | |
462 | { | |
463 | struct e1000_hw *hw = &adapter->hw; | |
464 | struct e1000_mac_info *mac = &hw->mac; | |
465 | ||
466 | /* Set media type function pointer */ | |
318a94d6 | 467 | hw->phy.media_type = e1000_media_type_copper; |
bc7f75fa AK |
468 | |
469 | /* Set mta register count */ | |
470 | mac->mta_reg_count = 32; | |
471 | /* Set rar entry count */ | |
472 | mac->rar_entry_count = E1000_ICH_RAR_ENTRIES; | |
473 | if (mac->type == e1000_ich8lan) | |
474 | mac->rar_entry_count--; | |
475 | /* Set if manageability features are enabled. */ | |
564ea9bb | 476 | mac->arc_subsystem_valid = true; |
f464ba87 BA |
477 | /* Adaptive IFS supported */ |
478 | mac->adaptive_ifs = true; | |
bc7f75fa | 479 | |
a4f58f54 BA |
480 | /* LED operations */ |
481 | switch (mac->type) { | |
482 | case e1000_ich8lan: | |
483 | case e1000_ich9lan: | |
484 | case e1000_ich10lan: | |
485 | /* ID LED init */ | |
486 | mac->ops.id_led_init = e1000e_id_led_init; | |
487 | /* setup LED */ | |
488 | mac->ops.setup_led = e1000e_setup_led_generic; | |
489 | /* cleanup LED */ | |
490 | mac->ops.cleanup_led = e1000_cleanup_led_ich8lan; | |
491 | /* turn on/off LED */ | |
492 | mac->ops.led_on = e1000_led_on_ich8lan; | |
493 | mac->ops.led_off = e1000_led_off_ich8lan; | |
494 | break; | |
495 | case e1000_pchlan: | |
496 | /* ID LED init */ | |
497 | mac->ops.id_led_init = e1000_id_led_init_pchlan; | |
498 | /* setup LED */ | |
499 | mac->ops.setup_led = e1000_setup_led_pchlan; | |
500 | /* cleanup LED */ | |
501 | mac->ops.cleanup_led = e1000_cleanup_led_pchlan; | |
502 | /* turn on/off LED */ | |
503 | mac->ops.led_on = e1000_led_on_pchlan; | |
504 | mac->ops.led_off = e1000_led_off_pchlan; | |
505 | break; | |
506 | default: | |
507 | break; | |
508 | } | |
509 | ||
bc7f75fa AK |
510 | /* Enable PCS Lock-loss workaround for ICH8 */ |
511 | if (mac->type == e1000_ich8lan) | |
564ea9bb | 512 | e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true); |
bc7f75fa AK |
513 | |
514 | return 0; | |
515 | } | |
516 | ||
7d3cabbc BA |
517 | /** |
518 | * e1000_check_for_copper_link_ich8lan - Check for link (Copper) | |
519 | * @hw: pointer to the HW structure | |
520 | * | |
521 | * Checks to see of the link status of the hardware has changed. If a | |
522 | * change in link status has been detected, then we read the PHY registers | |
523 | * to get the current speed/duplex if link exists. | |
524 | **/ | |
525 | static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |
526 | { | |
527 | struct e1000_mac_info *mac = &hw->mac; | |
528 | s32 ret_val; | |
529 | bool link; | |
530 | ||
531 | /* | |
532 | * We only want to go out to the PHY registers to see if Auto-Neg | |
533 | * has completed and/or if our link status has changed. The | |
534 | * get_link_status flag is set upon receiving a Link Status | |
535 | * Change or Rx Sequence Error interrupt. | |
536 | */ | |
537 | if (!mac->get_link_status) { | |
538 | ret_val = 0; | |
539 | goto out; | |
540 | } | |
541 | ||
7d3cabbc BA |
542 | /* |
543 | * First we want to see if the MII Status Register reports | |
544 | * link. If so, then we want to get the current speed/duplex | |
545 | * of the PHY. | |
546 | */ | |
547 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | |
548 | if (ret_val) | |
549 | goto out; | |
550 | ||
1d5846b9 BA |
551 | if (hw->mac.type == e1000_pchlan) { |
552 | ret_val = e1000_k1_gig_workaround_hv(hw, link); | |
553 | if (ret_val) | |
554 | goto out; | |
555 | } | |
556 | ||
7d3cabbc BA |
557 | if (!link) |
558 | goto out; /* No link detected */ | |
559 | ||
560 | mac->get_link_status = false; | |
561 | ||
562 | if (hw->phy.type == e1000_phy_82578) { | |
563 | ret_val = e1000_link_stall_workaround_hv(hw); | |
564 | if (ret_val) | |
565 | goto out; | |
566 | } | |
567 | ||
568 | /* | |
569 | * Check if there was DownShift, must be checked | |
570 | * immediately after link-up | |
571 | */ | |
572 | e1000e_check_downshift(hw); | |
573 | ||
574 | /* | |
575 | * If we are forcing speed/duplex, then we simply return since | |
576 | * we have already determined whether we have link or not. | |
577 | */ | |
578 | if (!mac->autoneg) { | |
579 | ret_val = -E1000_ERR_CONFIG; | |
580 | goto out; | |
581 | } | |
582 | ||
583 | /* | |
584 | * Auto-Neg is enabled. Auto Speed Detection takes care | |
585 | * of MAC speed/duplex configuration. So we only need to | |
586 | * configure Collision Distance in the MAC. | |
587 | */ | |
588 | e1000e_config_collision_dist(hw); | |
589 | ||
590 | /* | |
591 | * Configure Flow Control now that Auto-Neg has completed. | |
592 | * First, we need to restore the desired flow control | |
593 | * settings because we may have had to re-autoneg with a | |
594 | * different link partner. | |
595 | */ | |
596 | ret_val = e1000e_config_fc_after_link_up(hw); | |
597 | if (ret_val) | |
3bb99fe2 | 598 | e_dbg("Error configuring flow control\n"); |
7d3cabbc BA |
599 | |
600 | out: | |
601 | return ret_val; | |
602 | } | |
603 | ||
69e3fd8c | 604 | static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) |
bc7f75fa AK |
605 | { |
606 | struct e1000_hw *hw = &adapter->hw; | |
607 | s32 rc; | |
608 | ||
609 | rc = e1000_init_mac_params_ich8lan(adapter); | |
610 | if (rc) | |
611 | return rc; | |
612 | ||
613 | rc = e1000_init_nvm_params_ich8lan(hw); | |
614 | if (rc) | |
615 | return rc; | |
616 | ||
a4f58f54 BA |
617 | if (hw->mac.type == e1000_pchlan) |
618 | rc = e1000_init_phy_params_pchlan(hw); | |
619 | else | |
620 | rc = e1000_init_phy_params_ich8lan(hw); | |
bc7f75fa AK |
621 | if (rc) |
622 | return rc; | |
623 | ||
2adc55c9 BA |
624 | if (adapter->hw.phy.type == e1000_phy_ife) { |
625 | adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES; | |
626 | adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN; | |
627 | } | |
628 | ||
bc7f75fa AK |
629 | if ((adapter->hw.mac.type == e1000_ich8lan) && |
630 | (adapter->hw.phy.type == e1000_phy_igp_3)) | |
631 | adapter->flags |= FLAG_LSC_GIG_SPEED_DROP; | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
717d438d | 636 | static DEFINE_MUTEX(nvm_mutex); |
717d438d | 637 | |
ca15df58 BA |
638 | /** |
639 | * e1000_acquire_nvm_ich8lan - Acquire NVM mutex | |
640 | * @hw: pointer to the HW structure | |
641 | * | |
642 | * Acquires the mutex for performing NVM operations. | |
643 | **/ | |
644 | static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw) | |
645 | { | |
646 | mutex_lock(&nvm_mutex); | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | /** | |
652 | * e1000_release_nvm_ich8lan - Release NVM mutex | |
653 | * @hw: pointer to the HW structure | |
654 | * | |
655 | * Releases the mutex used while performing NVM operations. | |
656 | **/ | |
657 | static void e1000_release_nvm_ich8lan(struct e1000_hw *hw) | |
658 | { | |
659 | mutex_unlock(&nvm_mutex); | |
660 | ||
661 | return; | |
662 | } | |
663 | ||
664 | static DEFINE_MUTEX(swflag_mutex); | |
665 | ||
bc7f75fa AK |
666 | /** |
667 | * e1000_acquire_swflag_ich8lan - Acquire software control flag | |
668 | * @hw: pointer to the HW structure | |
669 | * | |
ca15df58 BA |
670 | * Acquires the software control flag for performing PHY and select |
671 | * MAC CSR accesses. | |
bc7f75fa AK |
672 | **/ |
673 | static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) | |
674 | { | |
373a88d7 BA |
675 | u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT; |
676 | s32 ret_val = 0; | |
bc7f75fa | 677 | |
ca15df58 | 678 | mutex_lock(&swflag_mutex); |
717d438d | 679 | |
bc7f75fa AK |
680 | while (timeout) { |
681 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
373a88d7 BA |
682 | if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) |
683 | break; | |
bc7f75fa | 684 | |
373a88d7 BA |
685 | mdelay(1); |
686 | timeout--; | |
687 | } | |
688 | ||
689 | if (!timeout) { | |
3bb99fe2 | 690 | e_dbg("SW/FW/HW has locked the resource for too long.\n"); |
373a88d7 BA |
691 | ret_val = -E1000_ERR_CONFIG; |
692 | goto out; | |
693 | } | |
694 | ||
53ac5a88 | 695 | timeout = SW_FLAG_TIMEOUT; |
373a88d7 BA |
696 | |
697 | extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; | |
698 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
699 | ||
700 | while (timeout) { | |
701 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
702 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) | |
703 | break; | |
a4f58f54 | 704 | |
bc7f75fa AK |
705 | mdelay(1); |
706 | timeout--; | |
707 | } | |
708 | ||
709 | if (!timeout) { | |
3bb99fe2 | 710 | e_dbg("Failed to acquire the semaphore.\n"); |
2e2e8d53 BA |
711 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; |
712 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
373a88d7 BA |
713 | ret_val = -E1000_ERR_CONFIG; |
714 | goto out; | |
bc7f75fa AK |
715 | } |
716 | ||
373a88d7 BA |
717 | out: |
718 | if (ret_val) | |
ca15df58 | 719 | mutex_unlock(&swflag_mutex); |
373a88d7 BA |
720 | |
721 | return ret_val; | |
bc7f75fa AK |
722 | } |
723 | ||
724 | /** | |
725 | * e1000_release_swflag_ich8lan - Release software control flag | |
726 | * @hw: pointer to the HW structure | |
727 | * | |
ca15df58 BA |
728 | * Releases the software control flag for performing PHY and select |
729 | * MAC CSR accesses. | |
bc7f75fa AK |
730 | **/ |
731 | static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) | |
732 | { | |
733 | u32 extcnf_ctrl; | |
734 | ||
735 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
736 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; | |
737 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
717d438d | 738 | |
ca15df58 BA |
739 | mutex_unlock(&swflag_mutex); |
740 | ||
741 | return; | |
bc7f75fa AK |
742 | } |
743 | ||
4662e82b BA |
744 | /** |
745 | * e1000_check_mng_mode_ich8lan - Checks management mode | |
746 | * @hw: pointer to the HW structure | |
747 | * | |
748 | * This checks if the adapter has manageability enabled. | |
749 | * This is a function pointer entry point only called by read/write | |
750 | * routines for the PHY and NVM parts. | |
751 | **/ | |
752 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw) | |
753 | { | |
a708dd88 BA |
754 | u32 fwsm; |
755 | ||
756 | fwsm = er32(FWSM); | |
4662e82b BA |
757 | |
758 | return (fwsm & E1000_FWSM_MODE_MASK) == | |
759 | (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT); | |
760 | } | |
761 | ||
bc7f75fa AK |
762 | /** |
763 | * e1000_check_reset_block_ich8lan - Check if PHY reset is blocked | |
764 | * @hw: pointer to the HW structure | |
765 | * | |
766 | * Checks if firmware is blocking the reset of the PHY. | |
767 | * This is a function pointer entry point only called by | |
768 | * reset routines. | |
769 | **/ | |
770 | static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw) | |
771 | { | |
772 | u32 fwsm; | |
773 | ||
774 | fwsm = er32(FWSM); | |
775 | ||
776 | return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET; | |
777 | } | |
778 | ||
f523d211 BA |
779 | /** |
780 | * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration | |
781 | * @hw: pointer to the HW structure | |
782 | * | |
783 | * SW should configure the LCD from the NVM extended configuration region | |
784 | * as a workaround for certain parts. | |
785 | **/ | |
786 | static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) | |
787 | { | |
788 | struct e1000_phy_info *phy = &hw->phy; | |
789 | u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; | |
790 | s32 ret_val; | |
791 | u16 word_addr, reg_data, reg_addr, phy_page = 0; | |
792 | ||
94d8186a | 793 | ret_val = hw->phy.ops.acquire(hw); |
f523d211 BA |
794 | if (ret_val) |
795 | return ret_val; | |
796 | ||
797 | /* | |
798 | * Initialize the PHY from the NVM on ICH platforms. This | |
799 | * is needed due to an issue where the NVM configuration is | |
800 | * not properly autoloaded after power transitions. | |
801 | * Therefore, after each PHY reset, we will load the | |
802 | * configuration data out of the NVM manually. | |
803 | */ | |
804 | if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) || | |
805 | (hw->mac.type == e1000_pchlan)) { | |
806 | struct e1000_adapter *adapter = hw->adapter; | |
807 | ||
808 | /* Check if SW needs to configure the PHY */ | |
809 | if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || | |
810 | (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) || | |
811 | (hw->mac.type == e1000_pchlan)) | |
812 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; | |
813 | else | |
814 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; | |
815 | ||
816 | data = er32(FEXTNVM); | |
817 | if (!(data & sw_cfg_mask)) | |
818 | goto out; | |
819 | ||
820 | /* Wait for basic configuration completes before proceeding */ | |
821 | e1000_lan_init_done_ich8lan(hw); | |
822 | ||
823 | /* | |
824 | * Make sure HW does not configure LCD from PHY | |
825 | * extended configuration before SW configuration | |
826 | */ | |
827 | data = er32(EXTCNF_CTRL); | |
828 | if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) | |
829 | goto out; | |
830 | ||
831 | cnf_size = er32(EXTCNF_SIZE); | |
832 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | |
833 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | |
834 | if (!cnf_size) | |
835 | goto out; | |
836 | ||
837 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | |
838 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | |
839 | ||
840 | if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && | |
841 | (hw->mac.type == e1000_pchlan)) { | |
842 | /* | |
843 | * HW configures the SMBus address and LEDs when the | |
844 | * OEM and LCD Write Enable bits are set in the NVM. | |
845 | * When both NVM bits are cleared, SW will configure | |
846 | * them instead. | |
847 | */ | |
848 | data = er32(STRAP); | |
849 | data &= E1000_STRAP_SMBUS_ADDRESS_MASK; | |
850 | reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT; | |
851 | reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; | |
852 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, | |
853 | reg_data); | |
854 | if (ret_val) | |
855 | goto out; | |
856 | ||
857 | data = er32(LEDCTL); | |
858 | ret_val = e1000_write_phy_reg_hv_locked(hw, | |
859 | HV_LED_CONFIG, | |
860 | (u16)data); | |
861 | if (ret_val) | |
862 | goto out; | |
863 | } | |
864 | /* Configure LCD from extended configuration region. */ | |
865 | ||
866 | /* cnf_base_addr is in DWORD */ | |
867 | word_addr = (u16)(cnf_base_addr << 1); | |
868 | ||
869 | for (i = 0; i < cnf_size; i++) { | |
870 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, | |
871 | ®_data); | |
872 | if (ret_val) | |
873 | goto out; | |
874 | ||
875 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), | |
876 | 1, ®_addr); | |
877 | if (ret_val) | |
878 | goto out; | |
879 | ||
880 | /* Save off the PHY page for future writes. */ | |
881 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | |
882 | phy_page = reg_data; | |
883 | continue; | |
884 | } | |
885 | ||
886 | reg_addr &= PHY_REG_MASK; | |
887 | reg_addr |= phy_page; | |
888 | ||
94d8186a | 889 | ret_val = phy->ops.write_reg_locked(hw, |
f523d211 BA |
890 | (u32)reg_addr, |
891 | reg_data); | |
892 | if (ret_val) | |
893 | goto out; | |
894 | } | |
895 | } | |
896 | ||
897 | out: | |
94d8186a | 898 | hw->phy.ops.release(hw); |
f523d211 BA |
899 | return ret_val; |
900 | } | |
901 | ||
1d5846b9 BA |
902 | /** |
903 | * e1000_k1_gig_workaround_hv - K1 Si workaround | |
904 | * @hw: pointer to the HW structure | |
905 | * @link: link up bool flag | |
906 | * | |
907 | * If K1 is enabled for 1Gbps, the MAC might stall when transitioning | |
908 | * from a lower speed. This workaround disables K1 whenever link is at 1Gig | |
909 | * If link is down, the function will restore the default K1 setting located | |
910 | * in the NVM. | |
911 | **/ | |
912 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) | |
913 | { | |
914 | s32 ret_val = 0; | |
915 | u16 status_reg = 0; | |
916 | bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; | |
917 | ||
918 | if (hw->mac.type != e1000_pchlan) | |
919 | goto out; | |
920 | ||
921 | /* Wrap the whole flow with the sw flag */ | |
94d8186a | 922 | ret_val = hw->phy.ops.acquire(hw); |
1d5846b9 BA |
923 | if (ret_val) |
924 | goto out; | |
925 | ||
926 | /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ | |
927 | if (link) { | |
928 | if (hw->phy.type == e1000_phy_82578) { | |
94d8186a | 929 | ret_val = hw->phy.ops.read_reg_locked(hw, BM_CS_STATUS, |
1d5846b9 BA |
930 | &status_reg); |
931 | if (ret_val) | |
932 | goto release; | |
933 | ||
934 | status_reg &= BM_CS_STATUS_LINK_UP | | |
935 | BM_CS_STATUS_RESOLVED | | |
936 | BM_CS_STATUS_SPEED_MASK; | |
937 | ||
938 | if (status_reg == (BM_CS_STATUS_LINK_UP | | |
939 | BM_CS_STATUS_RESOLVED | | |
940 | BM_CS_STATUS_SPEED_1000)) | |
941 | k1_enable = false; | |
942 | } | |
943 | ||
944 | if (hw->phy.type == e1000_phy_82577) { | |
94d8186a | 945 | ret_val = hw->phy.ops.read_reg_locked(hw, HV_M_STATUS, |
1d5846b9 BA |
946 | &status_reg); |
947 | if (ret_val) | |
948 | goto release; | |
949 | ||
950 | status_reg &= HV_M_STATUS_LINK_UP | | |
951 | HV_M_STATUS_AUTONEG_COMPLETE | | |
952 | HV_M_STATUS_SPEED_MASK; | |
953 | ||
954 | if (status_reg == (HV_M_STATUS_LINK_UP | | |
955 | HV_M_STATUS_AUTONEG_COMPLETE | | |
956 | HV_M_STATUS_SPEED_1000)) | |
957 | k1_enable = false; | |
958 | } | |
959 | ||
960 | /* Link stall fix for link up */ | |
94d8186a | 961 | ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19), |
1d5846b9 BA |
962 | 0x0100); |
963 | if (ret_val) | |
964 | goto release; | |
965 | ||
966 | } else { | |
967 | /* Link stall fix for link down */ | |
94d8186a | 968 | ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19), |
1d5846b9 BA |
969 | 0x4100); |
970 | if (ret_val) | |
971 | goto release; | |
972 | } | |
973 | ||
974 | ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); | |
975 | ||
976 | release: | |
94d8186a | 977 | hw->phy.ops.release(hw); |
1d5846b9 BA |
978 | out: |
979 | return ret_val; | |
980 | } | |
981 | ||
982 | /** | |
983 | * e1000_configure_k1_ich8lan - Configure K1 power state | |
984 | * @hw: pointer to the HW structure | |
985 | * @enable: K1 state to configure | |
986 | * | |
987 | * Configure the K1 power state based on the provided parameter. | |
988 | * Assumes semaphore already acquired. | |
989 | * | |
990 | * Success returns 0, Failure returns -E1000_ERR_PHY (-2) | |
991 | **/ | |
bb436b20 | 992 | s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) |
1d5846b9 BA |
993 | { |
994 | s32 ret_val = 0; | |
995 | u32 ctrl_reg = 0; | |
996 | u32 ctrl_ext = 0; | |
997 | u32 reg = 0; | |
998 | u16 kmrn_reg = 0; | |
999 | ||
1000 | ret_val = e1000e_read_kmrn_reg_locked(hw, | |
1001 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1002 | &kmrn_reg); | |
1003 | if (ret_val) | |
1004 | goto out; | |
1005 | ||
1006 | if (k1_enable) | |
1007 | kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; | |
1008 | else | |
1009 | kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; | |
1010 | ||
1011 | ret_val = e1000e_write_kmrn_reg_locked(hw, | |
1012 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1013 | kmrn_reg); | |
1014 | if (ret_val) | |
1015 | goto out; | |
1016 | ||
1017 | udelay(20); | |
1018 | ctrl_ext = er32(CTRL_EXT); | |
1019 | ctrl_reg = er32(CTRL); | |
1020 | ||
1021 | reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | |
1022 | reg |= E1000_CTRL_FRCSPD; | |
1023 | ew32(CTRL, reg); | |
1024 | ||
1025 | ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); | |
1026 | udelay(20); | |
1027 | ew32(CTRL, ctrl_reg); | |
1028 | ew32(CTRL_EXT, ctrl_ext); | |
1029 | udelay(20); | |
1030 | ||
1031 | out: | |
1032 | return ret_val; | |
1033 | } | |
1034 | ||
f523d211 BA |
1035 | /** |
1036 | * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration | |
1037 | * @hw: pointer to the HW structure | |
1038 | * @d0_state: boolean if entering d0 or d3 device state | |
1039 | * | |
1040 | * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are | |
1041 | * collectively called OEM bits. The OEM Write Enable bit and SW Config bit | |
1042 | * in NVM determines whether HW should configure LPLU and Gbe Disable. | |
1043 | **/ | |
1044 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) | |
1045 | { | |
1046 | s32 ret_val = 0; | |
1047 | u32 mac_reg; | |
1048 | u16 oem_reg; | |
1049 | ||
1050 | if (hw->mac.type != e1000_pchlan) | |
1051 | return ret_val; | |
1052 | ||
94d8186a | 1053 | ret_val = hw->phy.ops.acquire(hw); |
f523d211 BA |
1054 | if (ret_val) |
1055 | return ret_val; | |
1056 | ||
1057 | mac_reg = er32(EXTCNF_CTRL); | |
1058 | if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) | |
1059 | goto out; | |
1060 | ||
1061 | mac_reg = er32(FEXTNVM); | |
1062 | if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) | |
1063 | goto out; | |
1064 | ||
1065 | mac_reg = er32(PHY_CTRL); | |
1066 | ||
94d8186a | 1067 | ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg); |
f523d211 BA |
1068 | if (ret_val) |
1069 | goto out; | |
1070 | ||
1071 | oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); | |
1072 | ||
1073 | if (d0_state) { | |
1074 | if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) | |
1075 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1076 | ||
1077 | if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) | |
1078 | oem_reg |= HV_OEM_BITS_LPLU; | |
1079 | } else { | |
1080 | if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) | |
1081 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1082 | ||
1083 | if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) | |
1084 | oem_reg |= HV_OEM_BITS_LPLU; | |
1085 | } | |
1086 | /* Restart auto-neg to activate the bits */ | |
818f3331 BA |
1087 | if (!e1000_check_reset_block(hw)) |
1088 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
94d8186a | 1089 | ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg); |
f523d211 BA |
1090 | |
1091 | out: | |
94d8186a | 1092 | hw->phy.ops.release(hw); |
f523d211 BA |
1093 | |
1094 | return ret_val; | |
1095 | } | |
1096 | ||
1097 | ||
fddaa1af BA |
1098 | /** |
1099 | * e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode | |
1100 | * @hw: pointer to the HW structure | |
1101 | **/ | |
1102 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw) | |
1103 | { | |
1104 | s32 ret_val; | |
1105 | u16 data; | |
1106 | ||
1107 | ret_val = e1e_rphy(hw, HV_KMRN_MODE_CTRL, &data); | |
1108 | if (ret_val) | |
1109 | return ret_val; | |
1110 | ||
1111 | data |= HV_KMRN_MDIO_SLOW; | |
1112 | ||
1113 | ret_val = e1e_wphy(hw, HV_KMRN_MODE_CTRL, data); | |
1114 | ||
1115 | return ret_val; | |
1116 | } | |
1117 | ||
a4f58f54 BA |
1118 | /** |
1119 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
1120 | * done after every PHY reset. | |
1121 | **/ | |
1122 | static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
1123 | { | |
1124 | s32 ret_val = 0; | |
baf86c9d | 1125 | u16 phy_data; |
a4f58f54 BA |
1126 | |
1127 | if (hw->mac.type != e1000_pchlan) | |
1128 | return ret_val; | |
1129 | ||
fddaa1af BA |
1130 | /* Set MDIO slow mode before any other MDIO access */ |
1131 | if (hw->phy.type == e1000_phy_82577) { | |
1132 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
1133 | if (ret_val) | |
1134 | goto out; | |
1135 | } | |
1136 | ||
a4f58f54 BA |
1137 | if (((hw->phy.type == e1000_phy_82577) && |
1138 | ((hw->phy.revision == 1) || (hw->phy.revision == 2))) || | |
1139 | ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) { | |
1140 | /* Disable generation of early preamble */ | |
1141 | ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431); | |
1142 | if (ret_val) | |
1143 | return ret_val; | |
1144 | ||
1145 | /* Preamble tuning for SSC */ | |
1146 | ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204); | |
1147 | if (ret_val) | |
1148 | return ret_val; | |
1149 | } | |
1150 | ||
1151 | if (hw->phy.type == e1000_phy_82578) { | |
1152 | /* | |
1153 | * Return registers to default by doing a soft reset then | |
1154 | * writing 0x3140 to the control register. | |
1155 | */ | |
1156 | if (hw->phy.revision < 2) { | |
1157 | e1000e_phy_sw_reset(hw); | |
1158 | ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | /* Select page 0 */ | |
94d8186a | 1163 | ret_val = hw->phy.ops.acquire(hw); |
a4f58f54 BA |
1164 | if (ret_val) |
1165 | return ret_val; | |
1d5846b9 | 1166 | |
a4f58f54 | 1167 | hw->phy.addr = 1; |
1d5846b9 | 1168 | ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); |
baf86c9d | 1169 | hw->phy.ops.release(hw); |
1d5846b9 BA |
1170 | if (ret_val) |
1171 | goto out; | |
a4f58f54 | 1172 | |
1d5846b9 BA |
1173 | /* |
1174 | * Configure the K1 Si workaround during phy reset assuming there is | |
1175 | * link so that it disables K1 if link is in 1Gbps. | |
1176 | */ | |
1177 | ret_val = e1000_k1_gig_workaround_hv(hw, true); | |
baf86c9d BA |
1178 | if (ret_val) |
1179 | goto out; | |
1d5846b9 | 1180 | |
baf86c9d BA |
1181 | /* Workaround for link disconnects on a busy hub in half duplex */ |
1182 | ret_val = hw->phy.ops.acquire(hw); | |
1183 | if (ret_val) | |
1184 | goto out; | |
1185 | ret_val = hw->phy.ops.read_reg_locked(hw, | |
1186 | PHY_REG(BM_PORT_CTRL_PAGE, 17), | |
1187 | &phy_data); | |
1188 | if (ret_val) | |
1189 | goto release; | |
1190 | ret_val = hw->phy.ops.write_reg_locked(hw, | |
1191 | PHY_REG(BM_PORT_CTRL_PAGE, 17), | |
1192 | phy_data & 0x00FF); | |
1193 | release: | |
1194 | hw->phy.ops.release(hw); | |
1d5846b9 | 1195 | out: |
a4f58f54 BA |
1196 | return ret_val; |
1197 | } | |
1198 | ||
fc0c7760 BA |
1199 | /** |
1200 | * e1000_lan_init_done_ich8lan - Check for PHY config completion | |
1201 | * @hw: pointer to the HW structure | |
1202 | * | |
1203 | * Check the appropriate indication the MAC has finished configuring the | |
1204 | * PHY after a software reset. | |
1205 | **/ | |
1206 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) | |
1207 | { | |
1208 | u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT; | |
1209 | ||
1210 | /* Wait for basic configuration completes before proceeding */ | |
1211 | do { | |
1212 | data = er32(STATUS); | |
1213 | data &= E1000_STATUS_LAN_INIT_DONE; | |
1214 | udelay(100); | |
1215 | } while ((!data) && --loop); | |
1216 | ||
1217 | /* | |
1218 | * If basic configuration is incomplete before the above loop | |
1219 | * count reaches 0, loading the configuration from NVM will | |
1220 | * leave the PHY in a bad state possibly resulting in no link. | |
1221 | */ | |
1222 | if (loop == 0) | |
3bb99fe2 | 1223 | e_dbg("LAN_INIT_DONE not set, increase timeout\n"); |
fc0c7760 BA |
1224 | |
1225 | /* Clear the Init Done bit for the next init event */ | |
1226 | data = er32(STATUS); | |
1227 | data &= ~E1000_STATUS_LAN_INIT_DONE; | |
1228 | ew32(STATUS, data); | |
1229 | } | |
1230 | ||
bc7f75fa AK |
1231 | /** |
1232 | * e1000_phy_hw_reset_ich8lan - Performs a PHY reset | |
1233 | * @hw: pointer to the HW structure | |
1234 | * | |
1235 | * Resets the PHY | |
1236 | * This is a function pointer entry point called by drivers | |
1237 | * or other shared routines. | |
1238 | **/ | |
1239 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | |
1240 | { | |
f523d211 BA |
1241 | s32 ret_val = 0; |
1242 | u16 reg; | |
bc7f75fa AK |
1243 | |
1244 | ret_val = e1000e_phy_hw_reset_generic(hw); | |
1245 | if (ret_val) | |
1246 | return ret_val; | |
1247 | ||
fc0c7760 BA |
1248 | /* Allow time for h/w to get to a quiescent state after reset */ |
1249 | mdelay(10); | |
1250 | ||
fddaa1af | 1251 | /* Perform any necessary post-reset workarounds */ |
a4f58f54 BA |
1252 | if (hw->mac.type == e1000_pchlan) { |
1253 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); | |
1254 | if (ret_val) | |
1255 | return ret_val; | |
1256 | } | |
1257 | ||
db2932ec BA |
1258 | /* Dummy read to clear the phy wakeup bit after lcd reset */ |
1259 | if (hw->mac.type == e1000_pchlan) | |
1260 | e1e_rphy(hw, BM_WUC, ®); | |
1261 | ||
f523d211 BA |
1262 | /* Configure the LCD with the extended configuration region in NVM */ |
1263 | ret_val = e1000_sw_lcd_config_ich8lan(hw); | |
1264 | if (ret_val) | |
1265 | goto out; | |
bc7f75fa | 1266 | |
f523d211 BA |
1267 | /* Configure the LCD with the OEM bits in NVM */ |
1268 | if (hw->mac.type == e1000_pchlan) | |
1269 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); | |
bc7f75fa | 1270 | |
f523d211 | 1271 | out: |
bc7f75fa AK |
1272 | return 0; |
1273 | } | |
1274 | ||
fa2ce13c BA |
1275 | /** |
1276 | * e1000_set_lplu_state_pchlan - Set Low Power Link Up state | |
1277 | * @hw: pointer to the HW structure | |
1278 | * @active: true to enable LPLU, false to disable | |
1279 | * | |
1280 | * Sets the LPLU state according to the active flag. For PCH, if OEM write | |
1281 | * bit are disabled in the NVM, writing the LPLU bits in the MAC will not set | |
1282 | * the phy speed. This function will manually set the LPLU bit and restart | |
1283 | * auto-neg as hw would do. D3 and D0 LPLU will call the same function | |
1284 | * since it configures the same bit. | |
1285 | **/ | |
1286 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) | |
1287 | { | |
1288 | s32 ret_val = 0; | |
1289 | u16 oem_reg; | |
1290 | ||
1291 | ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); | |
1292 | if (ret_val) | |
1293 | goto out; | |
1294 | ||
1295 | if (active) | |
1296 | oem_reg |= HV_OEM_BITS_LPLU; | |
1297 | else | |
1298 | oem_reg &= ~HV_OEM_BITS_LPLU; | |
1299 | ||
1300 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
1301 | ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); | |
1302 | ||
1303 | out: | |
1304 | return ret_val; | |
1305 | } | |
1306 | ||
bc7f75fa AK |
1307 | /** |
1308 | * e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state | |
1309 | * @hw: pointer to the HW structure | |
564ea9bb | 1310 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
1311 | * |
1312 | * Sets the LPLU D0 state according to the active flag. When | |
1313 | * activating LPLU this function also disables smart speed | |
1314 | * and vice versa. LPLU will not be activated unless the | |
1315 | * device autonegotiation advertisement meets standards of | |
1316 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1317 | * This is a function pointer entry point only called by | |
1318 | * PHY setup routines. | |
1319 | **/ | |
1320 | static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1321 | { | |
1322 | struct e1000_phy_info *phy = &hw->phy; | |
1323 | u32 phy_ctrl; | |
1324 | s32 ret_val = 0; | |
1325 | u16 data; | |
1326 | ||
97ac8cae | 1327 | if (phy->type == e1000_phy_ife) |
bc7f75fa AK |
1328 | return ret_val; |
1329 | ||
1330 | phy_ctrl = er32(PHY_CTRL); | |
1331 | ||
1332 | if (active) { | |
1333 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; | |
1334 | ew32(PHY_CTRL, phy_ctrl); | |
1335 | ||
60f1292f BA |
1336 | if (phy->type != e1000_phy_igp_3) |
1337 | return 0; | |
1338 | ||
ad68076e BA |
1339 | /* |
1340 | * Call gig speed drop workaround on LPLU before accessing | |
1341 | * any PHY registers | |
1342 | */ | |
60f1292f | 1343 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1344 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1345 | ||
1346 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
1347 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); | |
1348 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1349 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); | |
1350 | if (ret_val) | |
1351 | return ret_val; | |
1352 | } else { | |
1353 | phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; | |
1354 | ew32(PHY_CTRL, phy_ctrl); | |
1355 | ||
60f1292f BA |
1356 | if (phy->type != e1000_phy_igp_3) |
1357 | return 0; | |
1358 | ||
ad68076e BA |
1359 | /* |
1360 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1361 | * during Dx states where the power conservation is most |
1362 | * important. During driver activity we should enable | |
ad68076e BA |
1363 | * SmartSpeed, so performance is maintained. |
1364 | */ | |
bc7f75fa AK |
1365 | if (phy->smart_speed == e1000_smart_speed_on) { |
1366 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1367 | &data); |
bc7f75fa AK |
1368 | if (ret_val) |
1369 | return ret_val; | |
1370 | ||
1371 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
1372 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1373 | data); |
bc7f75fa AK |
1374 | if (ret_val) |
1375 | return ret_val; | |
1376 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
1377 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1378 | &data); |
bc7f75fa AK |
1379 | if (ret_val) |
1380 | return ret_val; | |
1381 | ||
1382 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1383 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1384 | data); |
bc7f75fa AK |
1385 | if (ret_val) |
1386 | return ret_val; | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | /** | |
1394 | * e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state | |
1395 | * @hw: pointer to the HW structure | |
564ea9bb | 1396 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
1397 | * |
1398 | * Sets the LPLU D3 state according to the active flag. When | |
1399 | * activating LPLU this function also disables smart speed | |
1400 | * and vice versa. LPLU will not be activated unless the | |
1401 | * device autonegotiation advertisement meets standards of | |
1402 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1403 | * This is a function pointer entry point only called by | |
1404 | * PHY setup routines. | |
1405 | **/ | |
1406 | static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1407 | { | |
1408 | struct e1000_phy_info *phy = &hw->phy; | |
1409 | u32 phy_ctrl; | |
1410 | s32 ret_val; | |
1411 | u16 data; | |
1412 | ||
1413 | phy_ctrl = er32(PHY_CTRL); | |
1414 | ||
1415 | if (!active) { | |
1416 | phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; | |
1417 | ew32(PHY_CTRL, phy_ctrl); | |
60f1292f BA |
1418 | |
1419 | if (phy->type != e1000_phy_igp_3) | |
1420 | return 0; | |
1421 | ||
ad68076e BA |
1422 | /* |
1423 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1424 | * during Dx states where the power conservation is most |
1425 | * important. During driver activity we should enable | |
ad68076e BA |
1426 | * SmartSpeed, so performance is maintained. |
1427 | */ | |
bc7f75fa | 1428 | if (phy->smart_speed == e1000_smart_speed_on) { |
ad68076e BA |
1429 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1430 | &data); | |
bc7f75fa AK |
1431 | if (ret_val) |
1432 | return ret_val; | |
1433 | ||
1434 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1435 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1436 | data); | |
bc7f75fa AK |
1437 | if (ret_val) |
1438 | return ret_val; | |
1439 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
ad68076e BA |
1440 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1441 | &data); | |
bc7f75fa AK |
1442 | if (ret_val) |
1443 | return ret_val; | |
1444 | ||
1445 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1446 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1447 | data); | |
bc7f75fa AK |
1448 | if (ret_val) |
1449 | return ret_val; | |
1450 | } | |
1451 | } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || | |
1452 | (phy->autoneg_advertised == E1000_ALL_NOT_GIG) || | |
1453 | (phy->autoneg_advertised == E1000_ALL_10_SPEED)) { | |
1454 | phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; | |
1455 | ew32(PHY_CTRL, phy_ctrl); | |
1456 | ||
60f1292f BA |
1457 | if (phy->type != e1000_phy_igp_3) |
1458 | return 0; | |
1459 | ||
ad68076e BA |
1460 | /* |
1461 | * Call gig speed drop workaround on LPLU before accessing | |
1462 | * any PHY registers | |
1463 | */ | |
60f1292f | 1464 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1465 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1466 | ||
1467 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
ad68076e | 1468 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
bc7f75fa AK |
1469 | if (ret_val) |
1470 | return ret_val; | |
1471 | ||
1472 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e | 1473 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
bc7f75fa AK |
1474 | } |
1475 | ||
1476 | return 0; | |
1477 | } | |
1478 | ||
f4187b56 BA |
1479 | /** |
1480 | * e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1 | |
1481 | * @hw: pointer to the HW structure | |
1482 | * @bank: pointer to the variable that returns the active bank | |
1483 | * | |
1484 | * Reads signature byte from the NVM using the flash access registers. | |
e243455d | 1485 | * Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank. |
f4187b56 BA |
1486 | **/ |
1487 | static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) | |
1488 | { | |
e243455d | 1489 | u32 eecd; |
f4187b56 | 1490 | struct e1000_nvm_info *nvm = &hw->nvm; |
f4187b56 BA |
1491 | u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); |
1492 | u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; | |
e243455d BA |
1493 | u8 sig_byte = 0; |
1494 | s32 ret_val = 0; | |
f4187b56 | 1495 | |
e243455d BA |
1496 | switch (hw->mac.type) { |
1497 | case e1000_ich8lan: | |
1498 | case e1000_ich9lan: | |
1499 | eecd = er32(EECD); | |
1500 | if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) == | |
1501 | E1000_EECD_SEC1VAL_VALID_MASK) { | |
1502 | if (eecd & E1000_EECD_SEC1VAL) | |
1503 | *bank = 1; | |
1504 | else | |
1505 | *bank = 0; | |
1506 | ||
1507 | return 0; | |
1508 | } | |
3bb99fe2 | 1509 | e_dbg("Unable to determine valid NVM bank via EEC - " |
e243455d BA |
1510 | "reading flash signature\n"); |
1511 | /* fall-thru */ | |
1512 | default: | |
1513 | /* set bank to 0 in case flash read fails */ | |
1514 | *bank = 0; | |
1515 | ||
1516 | /* Check bank 0 */ | |
1517 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset, | |
1518 | &sig_byte); | |
1519 | if (ret_val) | |
1520 | return ret_val; | |
1521 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
1522 | E1000_ICH_NVM_SIG_VALUE) { | |
f4187b56 | 1523 | *bank = 0; |
e243455d BA |
1524 | return 0; |
1525 | } | |
f4187b56 | 1526 | |
e243455d BA |
1527 | /* Check bank 1 */ |
1528 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset + | |
1529 | bank1_offset, | |
1530 | &sig_byte); | |
1531 | if (ret_val) | |
1532 | return ret_val; | |
1533 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
1534 | E1000_ICH_NVM_SIG_VALUE) { | |
1535 | *bank = 1; | |
1536 | return 0; | |
f4187b56 | 1537 | } |
e243455d | 1538 | |
3bb99fe2 | 1539 | e_dbg("ERROR: No valid NVM bank present\n"); |
e243455d | 1540 | return -E1000_ERR_NVM; |
f4187b56 BA |
1541 | } |
1542 | ||
1543 | return 0; | |
1544 | } | |
1545 | ||
bc7f75fa AK |
1546 | /** |
1547 | * e1000_read_nvm_ich8lan - Read word(s) from the NVM | |
1548 | * @hw: pointer to the HW structure | |
1549 | * @offset: The offset (in bytes) of the word(s) to read. | |
1550 | * @words: Size of data to read in words | |
1551 | * @data: Pointer to the word(s) to read at offset. | |
1552 | * | |
1553 | * Reads a word(s) from the NVM using the flash access registers. | |
1554 | **/ | |
1555 | static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
1556 | u16 *data) | |
1557 | { | |
1558 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1559 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
1560 | u32 act_offset; | |
148675a7 | 1561 | s32 ret_val = 0; |
f4187b56 | 1562 | u32 bank = 0; |
bc7f75fa AK |
1563 | u16 i, word; |
1564 | ||
1565 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
1566 | (words == 0)) { | |
3bb99fe2 | 1567 | e_dbg("nvm parameter(s) out of bounds\n"); |
ca15df58 BA |
1568 | ret_val = -E1000_ERR_NVM; |
1569 | goto out; | |
bc7f75fa AK |
1570 | } |
1571 | ||
94d8186a | 1572 | nvm->ops.acquire(hw); |
bc7f75fa | 1573 | |
f4187b56 | 1574 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
148675a7 | 1575 | if (ret_val) { |
3bb99fe2 | 1576 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 BA |
1577 | bank = 0; |
1578 | } | |
f4187b56 BA |
1579 | |
1580 | act_offset = (bank) ? nvm->flash_bank_size : 0; | |
bc7f75fa AK |
1581 | act_offset += offset; |
1582 | ||
148675a7 | 1583 | ret_val = 0; |
bc7f75fa AK |
1584 | for (i = 0; i < words; i++) { |
1585 | if ((dev_spec->shadow_ram) && | |
1586 | (dev_spec->shadow_ram[offset+i].modified)) { | |
1587 | data[i] = dev_spec->shadow_ram[offset+i].value; | |
1588 | } else { | |
1589 | ret_val = e1000_read_flash_word_ich8lan(hw, | |
1590 | act_offset + i, | |
1591 | &word); | |
1592 | if (ret_val) | |
1593 | break; | |
1594 | data[i] = word; | |
1595 | } | |
1596 | } | |
1597 | ||
94d8186a | 1598 | nvm->ops.release(hw); |
bc7f75fa | 1599 | |
e243455d BA |
1600 | out: |
1601 | if (ret_val) | |
3bb99fe2 | 1602 | e_dbg("NVM read error: %d\n", ret_val); |
e243455d | 1603 | |
bc7f75fa AK |
1604 | return ret_val; |
1605 | } | |
1606 | ||
1607 | /** | |
1608 | * e1000_flash_cycle_init_ich8lan - Initialize flash | |
1609 | * @hw: pointer to the HW structure | |
1610 | * | |
1611 | * This function does initial flash setup so that a new read/write/erase cycle | |
1612 | * can be started. | |
1613 | **/ | |
1614 | static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) | |
1615 | { | |
1616 | union ich8_hws_flash_status hsfsts; | |
1617 | s32 ret_val = -E1000_ERR_NVM; | |
1618 | s32 i = 0; | |
1619 | ||
1620 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1621 | ||
1622 | /* Check if the flash descriptor is valid */ | |
1623 | if (hsfsts.hsf_status.fldesvalid == 0) { | |
3bb99fe2 | 1624 | e_dbg("Flash descriptor invalid. " |
bc7f75fa AK |
1625 | "SW Sequencing must be used."); |
1626 | return -E1000_ERR_NVM; | |
1627 | } | |
1628 | ||
1629 | /* Clear FCERR and DAEL in hw status by writing 1 */ | |
1630 | hsfsts.hsf_status.flcerr = 1; | |
1631 | hsfsts.hsf_status.dael = 1; | |
1632 | ||
1633 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1634 | ||
ad68076e BA |
1635 | /* |
1636 | * Either we should have a hardware SPI cycle in progress | |
bc7f75fa AK |
1637 | * bit to check against, in order to start a new cycle or |
1638 | * FDONE bit should be changed in the hardware so that it | |
489815ce | 1639 | * is 1 after hardware reset, which can then be used as an |
bc7f75fa AK |
1640 | * indication whether a cycle is in progress or has been |
1641 | * completed. | |
1642 | */ | |
1643 | ||
1644 | if (hsfsts.hsf_status.flcinprog == 0) { | |
ad68076e BA |
1645 | /* |
1646 | * There is no cycle running at present, | |
5ff5b664 | 1647 | * so we can start a cycle. |
ad68076e BA |
1648 | * Begin by setting Flash Cycle Done. |
1649 | */ | |
bc7f75fa AK |
1650 | hsfsts.hsf_status.flcdone = 1; |
1651 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1652 | ret_val = 0; | |
1653 | } else { | |
ad68076e | 1654 | /* |
5ff5b664 | 1655 | * Otherwise poll for sometime so the current |
ad68076e BA |
1656 | * cycle has a chance to end before giving up. |
1657 | */ | |
bc7f75fa AK |
1658 | for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) { |
1659 | hsfsts.regval = __er16flash(hw, ICH_FLASH_HSFSTS); | |
1660 | if (hsfsts.hsf_status.flcinprog == 0) { | |
1661 | ret_val = 0; | |
1662 | break; | |
1663 | } | |
1664 | udelay(1); | |
1665 | } | |
1666 | if (ret_val == 0) { | |
ad68076e BA |
1667 | /* |
1668 | * Successful in waiting for previous cycle to timeout, | |
1669 | * now set the Flash Cycle Done. | |
1670 | */ | |
bc7f75fa AK |
1671 | hsfsts.hsf_status.flcdone = 1; |
1672 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
1673 | } else { | |
3bb99fe2 | 1674 | e_dbg("Flash controller busy, cannot get access"); |
bc7f75fa AK |
1675 | } |
1676 | } | |
1677 | ||
1678 | return ret_val; | |
1679 | } | |
1680 | ||
1681 | /** | |
1682 | * e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase) | |
1683 | * @hw: pointer to the HW structure | |
1684 | * @timeout: maximum time to wait for completion | |
1685 | * | |
1686 | * This function starts a flash cycle and waits for its completion. | |
1687 | **/ | |
1688 | static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) | |
1689 | { | |
1690 | union ich8_hws_flash_ctrl hsflctl; | |
1691 | union ich8_hws_flash_status hsfsts; | |
1692 | s32 ret_val = -E1000_ERR_NVM; | |
1693 | u32 i = 0; | |
1694 | ||
1695 | /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ | |
1696 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
1697 | hsflctl.hsf_ctrl.flcgo = 1; | |
1698 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
1699 | ||
1700 | /* wait till FDONE bit is set to 1 */ | |
1701 | do { | |
1702 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1703 | if (hsfsts.hsf_status.flcdone == 1) | |
1704 | break; | |
1705 | udelay(1); | |
1706 | } while (i++ < timeout); | |
1707 | ||
1708 | if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0) | |
1709 | return 0; | |
1710 | ||
1711 | return ret_val; | |
1712 | } | |
1713 | ||
1714 | /** | |
1715 | * e1000_read_flash_word_ich8lan - Read word from flash | |
1716 | * @hw: pointer to the HW structure | |
1717 | * @offset: offset to data location | |
1718 | * @data: pointer to the location for storing the data | |
1719 | * | |
1720 | * Reads the flash word at offset into data. Offset is converted | |
1721 | * to bytes before read. | |
1722 | **/ | |
1723 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, | |
1724 | u16 *data) | |
1725 | { | |
1726 | /* Must convert offset into bytes. */ | |
1727 | offset <<= 1; | |
1728 | ||
1729 | return e1000_read_flash_data_ich8lan(hw, offset, 2, data); | |
1730 | } | |
1731 | ||
f4187b56 BA |
1732 | /** |
1733 | * e1000_read_flash_byte_ich8lan - Read byte from flash | |
1734 | * @hw: pointer to the HW structure | |
1735 | * @offset: The offset of the byte to read. | |
1736 | * @data: Pointer to a byte to store the value read. | |
1737 | * | |
1738 | * Reads a single byte from the NVM using the flash access registers. | |
1739 | **/ | |
1740 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
1741 | u8 *data) | |
1742 | { | |
1743 | s32 ret_val; | |
1744 | u16 word = 0; | |
1745 | ||
1746 | ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word); | |
1747 | if (ret_val) | |
1748 | return ret_val; | |
1749 | ||
1750 | *data = (u8)word; | |
1751 | ||
1752 | return 0; | |
1753 | } | |
1754 | ||
bc7f75fa AK |
1755 | /** |
1756 | * e1000_read_flash_data_ich8lan - Read byte or word from NVM | |
1757 | * @hw: pointer to the HW structure | |
1758 | * @offset: The offset (in bytes) of the byte or word to read. | |
1759 | * @size: Size of data to read, 1=byte 2=word | |
1760 | * @data: Pointer to the word to store the value read. | |
1761 | * | |
1762 | * Reads a byte or word from the NVM using the flash access registers. | |
1763 | **/ | |
1764 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
1765 | u8 size, u16 *data) | |
1766 | { | |
1767 | union ich8_hws_flash_status hsfsts; | |
1768 | union ich8_hws_flash_ctrl hsflctl; | |
1769 | u32 flash_linear_addr; | |
1770 | u32 flash_data = 0; | |
1771 | s32 ret_val = -E1000_ERR_NVM; | |
1772 | u8 count = 0; | |
1773 | ||
1774 | if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
1775 | return -E1000_ERR_NVM; | |
1776 | ||
1777 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
1778 | hw->nvm.flash_base_addr; | |
1779 | ||
1780 | do { | |
1781 | udelay(1); | |
1782 | /* Steps */ | |
1783 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
1784 | if (ret_val != 0) | |
1785 | break; | |
1786 | ||
1787 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
1788 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
1789 | hsflctl.hsf_ctrl.fldbcount = size - 1; | |
1790 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; | |
1791 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
1792 | ||
1793 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
1794 | ||
1795 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
1796 | ICH_FLASH_READ_COMMAND_TIMEOUT); | |
1797 | ||
ad68076e BA |
1798 | /* |
1799 | * Check if FCERR is set to 1, if set to 1, clear it | |
bc7f75fa AK |
1800 | * and try the whole sequence a few more times, else |
1801 | * read in (shift in) the Flash Data0, the order is | |
ad68076e BA |
1802 | * least significant byte first msb to lsb |
1803 | */ | |
bc7f75fa AK |
1804 | if (ret_val == 0) { |
1805 | flash_data = er32flash(ICH_FLASH_FDATA0); | |
1806 | if (size == 1) { | |
1807 | *data = (u8)(flash_data & 0x000000FF); | |
1808 | } else if (size == 2) { | |
1809 | *data = (u16)(flash_data & 0x0000FFFF); | |
1810 | } | |
1811 | break; | |
1812 | } else { | |
ad68076e BA |
1813 | /* |
1814 | * If we've gotten here, then things are probably | |
bc7f75fa AK |
1815 | * completely hosed, but if the error condition is |
1816 | * detected, it won't hurt to give it another try... | |
1817 | * ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
1818 | */ | |
1819 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
1820 | if (hsfsts.hsf_status.flcerr == 1) { | |
1821 | /* Repeat for some time before giving up. */ | |
1822 | continue; | |
1823 | } else if (hsfsts.hsf_status.flcdone == 0) { | |
3bb99fe2 | 1824 | e_dbg("Timeout error - flash cycle " |
bc7f75fa AK |
1825 | "did not complete."); |
1826 | break; | |
1827 | } | |
1828 | } | |
1829 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
1830 | ||
1831 | return ret_val; | |
1832 | } | |
1833 | ||
1834 | /** | |
1835 | * e1000_write_nvm_ich8lan - Write word(s) to the NVM | |
1836 | * @hw: pointer to the HW structure | |
1837 | * @offset: The offset (in bytes) of the word(s) to write. | |
1838 | * @words: Size of data to write in words | |
1839 | * @data: Pointer to the word(s) to write at offset. | |
1840 | * | |
1841 | * Writes a byte or word to the NVM using the flash access registers. | |
1842 | **/ | |
1843 | static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
1844 | u16 *data) | |
1845 | { | |
1846 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1847 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
bc7f75fa AK |
1848 | u16 i; |
1849 | ||
1850 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
1851 | (words == 0)) { | |
3bb99fe2 | 1852 | e_dbg("nvm parameter(s) out of bounds\n"); |
bc7f75fa AK |
1853 | return -E1000_ERR_NVM; |
1854 | } | |
1855 | ||
94d8186a | 1856 | nvm->ops.acquire(hw); |
ca15df58 | 1857 | |
bc7f75fa | 1858 | for (i = 0; i < words; i++) { |
564ea9bb | 1859 | dev_spec->shadow_ram[offset+i].modified = true; |
bc7f75fa AK |
1860 | dev_spec->shadow_ram[offset+i].value = data[i]; |
1861 | } | |
1862 | ||
94d8186a | 1863 | nvm->ops.release(hw); |
ca15df58 | 1864 | |
bc7f75fa AK |
1865 | return 0; |
1866 | } | |
1867 | ||
1868 | /** | |
1869 | * e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM | |
1870 | * @hw: pointer to the HW structure | |
1871 | * | |
1872 | * The NVM checksum is updated by calling the generic update_nvm_checksum, | |
1873 | * which writes the checksum to the shadow ram. The changes in the shadow | |
1874 | * ram are then committed to the EEPROM by processing each bank at a time | |
1875 | * checking for the modified bit and writing only the pending changes. | |
489815ce | 1876 | * After a successful commit, the shadow ram is cleared and is ready for |
bc7f75fa AK |
1877 | * future writes. |
1878 | **/ | |
1879 | static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
1880 | { | |
1881 | struct e1000_nvm_info *nvm = &hw->nvm; | |
1882 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
f4187b56 | 1883 | u32 i, act_offset, new_bank_offset, old_bank_offset, bank; |
bc7f75fa AK |
1884 | s32 ret_val; |
1885 | u16 data; | |
1886 | ||
1887 | ret_val = e1000e_update_nvm_checksum_generic(hw); | |
1888 | if (ret_val) | |
e243455d | 1889 | goto out; |
bc7f75fa AK |
1890 | |
1891 | if (nvm->type != e1000_nvm_flash_sw) | |
e243455d | 1892 | goto out; |
bc7f75fa | 1893 | |
94d8186a | 1894 | nvm->ops.acquire(hw); |
bc7f75fa | 1895 | |
ad68076e BA |
1896 | /* |
1897 | * We're writing to the opposite bank so if we're on bank 1, | |
bc7f75fa | 1898 | * write to bank 0 etc. We also need to erase the segment that |
ad68076e BA |
1899 | * is going to be written |
1900 | */ | |
f4187b56 | 1901 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
e243455d | 1902 | if (ret_val) { |
3bb99fe2 | 1903 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 | 1904 | bank = 0; |
e243455d | 1905 | } |
f4187b56 BA |
1906 | |
1907 | if (bank == 0) { | |
bc7f75fa AK |
1908 | new_bank_offset = nvm->flash_bank_size; |
1909 | old_bank_offset = 0; | |
e243455d BA |
1910 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); |
1911 | if (ret_val) { | |
94d8186a | 1912 | nvm->ops.release(hw); |
e243455d BA |
1913 | goto out; |
1914 | } | |
bc7f75fa AK |
1915 | } else { |
1916 | old_bank_offset = nvm->flash_bank_size; | |
1917 | new_bank_offset = 0; | |
e243455d BA |
1918 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); |
1919 | if (ret_val) { | |
94d8186a | 1920 | nvm->ops.release(hw); |
e243455d BA |
1921 | goto out; |
1922 | } | |
bc7f75fa AK |
1923 | } |
1924 | ||
1925 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
ad68076e BA |
1926 | /* |
1927 | * Determine whether to write the value stored | |
bc7f75fa | 1928 | * in the other NVM bank or a modified value stored |
ad68076e BA |
1929 | * in the shadow RAM |
1930 | */ | |
bc7f75fa AK |
1931 | if (dev_spec->shadow_ram[i].modified) { |
1932 | data = dev_spec->shadow_ram[i].value; | |
1933 | } else { | |
e243455d BA |
1934 | ret_val = e1000_read_flash_word_ich8lan(hw, i + |
1935 | old_bank_offset, | |
1936 | &data); | |
1937 | if (ret_val) | |
1938 | break; | |
bc7f75fa AK |
1939 | } |
1940 | ||
ad68076e BA |
1941 | /* |
1942 | * If the word is 0x13, then make sure the signature bits | |
bc7f75fa AK |
1943 | * (15:14) are 11b until the commit has completed. |
1944 | * This will allow us to write 10b which indicates the | |
1945 | * signature is valid. We want to do this after the write | |
1946 | * has completed so that we don't mark the segment valid | |
ad68076e BA |
1947 | * while the write is still in progress |
1948 | */ | |
bc7f75fa AK |
1949 | if (i == E1000_ICH_NVM_SIG_WORD) |
1950 | data |= E1000_ICH_NVM_SIG_MASK; | |
1951 | ||
1952 | /* Convert offset to bytes. */ | |
1953 | act_offset = (i + new_bank_offset) << 1; | |
1954 | ||
1955 | udelay(100); | |
1956 | /* Write the bytes to the new bank. */ | |
1957 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
1958 | act_offset, | |
1959 | (u8)data); | |
1960 | if (ret_val) | |
1961 | break; | |
1962 | ||
1963 | udelay(100); | |
1964 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
1965 | act_offset + 1, | |
1966 | (u8)(data >> 8)); | |
1967 | if (ret_val) | |
1968 | break; | |
1969 | } | |
1970 | ||
ad68076e BA |
1971 | /* |
1972 | * Don't bother writing the segment valid bits if sector | |
1973 | * programming failed. | |
1974 | */ | |
bc7f75fa | 1975 | if (ret_val) { |
4a770358 | 1976 | /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ |
3bb99fe2 | 1977 | e_dbg("Flash commit failed.\n"); |
94d8186a | 1978 | nvm->ops.release(hw); |
e243455d | 1979 | goto out; |
bc7f75fa AK |
1980 | } |
1981 | ||
ad68076e BA |
1982 | /* |
1983 | * Finally validate the new segment by setting bit 15:14 | |
bc7f75fa AK |
1984 | * to 10b in word 0x13 , this can be done without an |
1985 | * erase as well since these bits are 11 to start with | |
ad68076e BA |
1986 | * and we need to change bit 14 to 0b |
1987 | */ | |
bc7f75fa | 1988 | act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; |
e243455d BA |
1989 | ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); |
1990 | if (ret_val) { | |
94d8186a | 1991 | nvm->ops.release(hw); |
e243455d BA |
1992 | goto out; |
1993 | } | |
bc7f75fa AK |
1994 | data &= 0xBFFF; |
1995 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
1996 | act_offset * 2 + 1, | |
1997 | (u8)(data >> 8)); | |
1998 | if (ret_val) { | |
94d8186a | 1999 | nvm->ops.release(hw); |
e243455d | 2000 | goto out; |
bc7f75fa AK |
2001 | } |
2002 | ||
ad68076e BA |
2003 | /* |
2004 | * And invalidate the previously valid segment by setting | |
bc7f75fa AK |
2005 | * its signature word (0x13) high_byte to 0b. This can be |
2006 | * done without an erase because flash erase sets all bits | |
ad68076e BA |
2007 | * to 1's. We can write 1's to 0's without an erase |
2008 | */ | |
bc7f75fa AK |
2009 | act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; |
2010 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); | |
2011 | if (ret_val) { | |
94d8186a | 2012 | nvm->ops.release(hw); |
e243455d | 2013 | goto out; |
bc7f75fa AK |
2014 | } |
2015 | ||
2016 | /* Great! Everything worked, we can now clear the cached entries. */ | |
2017 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
564ea9bb | 2018 | dev_spec->shadow_ram[i].modified = false; |
bc7f75fa AK |
2019 | dev_spec->shadow_ram[i].value = 0xFFFF; |
2020 | } | |
2021 | ||
94d8186a | 2022 | nvm->ops.release(hw); |
bc7f75fa | 2023 | |
ad68076e BA |
2024 | /* |
2025 | * Reload the EEPROM, or else modifications will not appear | |
bc7f75fa AK |
2026 | * until after the next adapter reset. |
2027 | */ | |
2028 | e1000e_reload_nvm(hw); | |
2029 | msleep(10); | |
2030 | ||
e243455d BA |
2031 | out: |
2032 | if (ret_val) | |
3bb99fe2 | 2033 | e_dbg("NVM update error: %d\n", ret_val); |
e243455d | 2034 | |
bc7f75fa AK |
2035 | return ret_val; |
2036 | } | |
2037 | ||
2038 | /** | |
2039 | * e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum | |
2040 | * @hw: pointer to the HW structure | |
2041 | * | |
2042 | * Check to see if checksum needs to be fixed by reading bit 6 in word 0x19. | |
2043 | * If the bit is 0, that the EEPROM had been modified, but the checksum was not | |
2044 | * calculated, in which case we need to calculate the checksum and set bit 6. | |
2045 | **/ | |
2046 | static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
2047 | { | |
2048 | s32 ret_val; | |
2049 | u16 data; | |
2050 | ||
ad68076e BA |
2051 | /* |
2052 | * Read 0x19 and check bit 6. If this bit is 0, the checksum | |
bc7f75fa AK |
2053 | * needs to be fixed. This bit is an indication that the NVM |
2054 | * was prepared by OEM software and did not calculate the | |
2055 | * checksum...a likely scenario. | |
2056 | */ | |
2057 | ret_val = e1000_read_nvm(hw, 0x19, 1, &data); | |
2058 | if (ret_val) | |
2059 | return ret_val; | |
2060 | ||
2061 | if ((data & 0x40) == 0) { | |
2062 | data |= 0x40; | |
2063 | ret_val = e1000_write_nvm(hw, 0x19, 1, &data); | |
2064 | if (ret_val) | |
2065 | return ret_val; | |
2066 | ret_val = e1000e_update_nvm_checksum(hw); | |
2067 | if (ret_val) | |
2068 | return ret_val; | |
2069 | } | |
2070 | ||
2071 | return e1000e_validate_nvm_checksum_generic(hw); | |
2072 | } | |
2073 | ||
4a770358 BA |
2074 | /** |
2075 | * e1000e_write_protect_nvm_ich8lan - Make the NVM read-only | |
2076 | * @hw: pointer to the HW structure | |
2077 | * | |
2078 | * To prevent malicious write/erase of the NVM, set it to be read-only | |
2079 | * so that the hardware ignores all write/erase cycles of the NVM via | |
2080 | * the flash control registers. The shadow-ram copy of the NVM will | |
2081 | * still be updated, however any updates to this copy will not stick | |
2082 | * across driver reloads. | |
2083 | **/ | |
2084 | void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) | |
2085 | { | |
ca15df58 | 2086 | struct e1000_nvm_info *nvm = &hw->nvm; |
4a770358 BA |
2087 | union ich8_flash_protected_range pr0; |
2088 | union ich8_hws_flash_status hsfsts; | |
2089 | u32 gfpreg; | |
4a770358 | 2090 | |
94d8186a | 2091 | nvm->ops.acquire(hw); |
4a770358 BA |
2092 | |
2093 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
2094 | ||
2095 | /* Write-protect GbE Sector of NVM */ | |
2096 | pr0.regval = er32flash(ICH_FLASH_PR0); | |
2097 | pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK; | |
2098 | pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK); | |
2099 | pr0.range.wpe = true; | |
2100 | ew32flash(ICH_FLASH_PR0, pr0.regval); | |
2101 | ||
2102 | /* | |
2103 | * Lock down a subset of GbE Flash Control Registers, e.g. | |
2104 | * PR0 to prevent the write-protection from being lifted. | |
2105 | * Once FLOCKDN is set, the registers protected by it cannot | |
2106 | * be written until FLOCKDN is cleared by a hardware reset. | |
2107 | */ | |
2108 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2109 | hsfsts.hsf_status.flockdn = true; | |
2110 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2111 | ||
94d8186a | 2112 | nvm->ops.release(hw); |
4a770358 BA |
2113 | } |
2114 | ||
bc7f75fa AK |
2115 | /** |
2116 | * e1000_write_flash_data_ich8lan - Writes bytes to the NVM | |
2117 | * @hw: pointer to the HW structure | |
2118 | * @offset: The offset (in bytes) of the byte/word to read. | |
2119 | * @size: Size of data to read, 1=byte 2=word | |
2120 | * @data: The byte(s) to write to the NVM. | |
2121 | * | |
2122 | * Writes one/two bytes to the NVM using the flash access registers. | |
2123 | **/ | |
2124 | static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
2125 | u8 size, u16 data) | |
2126 | { | |
2127 | union ich8_hws_flash_status hsfsts; | |
2128 | union ich8_hws_flash_ctrl hsflctl; | |
2129 | u32 flash_linear_addr; | |
2130 | u32 flash_data = 0; | |
2131 | s32 ret_val; | |
2132 | u8 count = 0; | |
2133 | ||
2134 | if (size < 1 || size > 2 || data > size * 0xff || | |
2135 | offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
2136 | return -E1000_ERR_NVM; | |
2137 | ||
2138 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
2139 | hw->nvm.flash_base_addr; | |
2140 | ||
2141 | do { | |
2142 | udelay(1); | |
2143 | /* Steps */ | |
2144 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2145 | if (ret_val) | |
2146 | break; | |
2147 | ||
2148 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
2149 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
2150 | hsflctl.hsf_ctrl.fldbcount = size -1; | |
2151 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; | |
2152 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2153 | ||
2154 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2155 | ||
2156 | if (size == 1) | |
2157 | flash_data = (u32)data & 0x00FF; | |
2158 | else | |
2159 | flash_data = (u32)data; | |
2160 | ||
2161 | ew32flash(ICH_FLASH_FDATA0, flash_data); | |
2162 | ||
ad68076e BA |
2163 | /* |
2164 | * check if FCERR is set to 1 , if set to 1, clear it | |
2165 | * and try the whole sequence a few more times else done | |
2166 | */ | |
bc7f75fa AK |
2167 | ret_val = e1000_flash_cycle_ich8lan(hw, |
2168 | ICH_FLASH_WRITE_COMMAND_TIMEOUT); | |
2169 | if (!ret_val) | |
2170 | break; | |
2171 | ||
ad68076e BA |
2172 | /* |
2173 | * If we're here, then things are most likely | |
bc7f75fa AK |
2174 | * completely hosed, but if the error condition |
2175 | * is detected, it won't hurt to give it another | |
2176 | * try...ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
2177 | */ | |
2178 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2179 | if (hsfsts.hsf_status.flcerr == 1) | |
2180 | /* Repeat for some time before giving up. */ | |
2181 | continue; | |
2182 | if (hsfsts.hsf_status.flcdone == 0) { | |
3bb99fe2 | 2183 | e_dbg("Timeout error - flash cycle " |
bc7f75fa AK |
2184 | "did not complete."); |
2185 | break; | |
2186 | } | |
2187 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2188 | ||
2189 | return ret_val; | |
2190 | } | |
2191 | ||
2192 | /** | |
2193 | * e1000_write_flash_byte_ich8lan - Write a single byte to NVM | |
2194 | * @hw: pointer to the HW structure | |
2195 | * @offset: The index of the byte to read. | |
2196 | * @data: The byte to write to the NVM. | |
2197 | * | |
2198 | * Writes a single byte to the NVM using the flash access registers. | |
2199 | **/ | |
2200 | static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
2201 | u8 data) | |
2202 | { | |
2203 | u16 word = (u16)data; | |
2204 | ||
2205 | return e1000_write_flash_data_ich8lan(hw, offset, 1, word); | |
2206 | } | |
2207 | ||
2208 | /** | |
2209 | * e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM | |
2210 | * @hw: pointer to the HW structure | |
2211 | * @offset: The offset of the byte to write. | |
2212 | * @byte: The byte to write to the NVM. | |
2213 | * | |
2214 | * Writes a single byte to the NVM using the flash access registers. | |
2215 | * Goes through a retry algorithm before giving up. | |
2216 | **/ | |
2217 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
2218 | u32 offset, u8 byte) | |
2219 | { | |
2220 | s32 ret_val; | |
2221 | u16 program_retries; | |
2222 | ||
2223 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2224 | if (!ret_val) | |
2225 | return ret_val; | |
2226 | ||
2227 | for (program_retries = 0; program_retries < 100; program_retries++) { | |
3bb99fe2 | 2228 | e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset); |
bc7f75fa AK |
2229 | udelay(100); |
2230 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2231 | if (!ret_val) | |
2232 | break; | |
2233 | } | |
2234 | if (program_retries == 100) | |
2235 | return -E1000_ERR_NVM; | |
2236 | ||
2237 | return 0; | |
2238 | } | |
2239 | ||
2240 | /** | |
2241 | * e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM | |
2242 | * @hw: pointer to the HW structure | |
2243 | * @bank: 0 for first bank, 1 for second bank, etc. | |
2244 | * | |
2245 | * Erases the bank specified. Each bank is a 4k block. Banks are 0 based. | |
2246 | * bank N is 4096 * N + flash_reg_addr. | |
2247 | **/ | |
2248 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) | |
2249 | { | |
2250 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2251 | union ich8_hws_flash_status hsfsts; | |
2252 | union ich8_hws_flash_ctrl hsflctl; | |
2253 | u32 flash_linear_addr; | |
2254 | /* bank size is in 16bit words - adjust to bytes */ | |
2255 | u32 flash_bank_size = nvm->flash_bank_size * 2; | |
2256 | s32 ret_val; | |
2257 | s32 count = 0; | |
a708dd88 | 2258 | s32 j, iteration, sector_size; |
bc7f75fa AK |
2259 | |
2260 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2261 | ||
ad68076e BA |
2262 | /* |
2263 | * Determine HW Sector size: Read BERASE bits of hw flash status | |
2264 | * register | |
2265 | * 00: The Hw sector is 256 bytes, hence we need to erase 16 | |
bc7f75fa AK |
2266 | * consecutive sectors. The start index for the nth Hw sector |
2267 | * can be calculated as = bank * 4096 + n * 256 | |
2268 | * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector. | |
2269 | * The start index for the nth Hw sector can be calculated | |
2270 | * as = bank * 4096 | |
2271 | * 10: The Hw sector is 8K bytes, nth sector = bank * 8192 | |
2272 | * (ich9 only, otherwise error condition) | |
2273 | * 11: The Hw sector is 64K bytes, nth sector = bank * 65536 | |
2274 | */ | |
2275 | switch (hsfsts.hsf_status.berasesz) { | |
2276 | case 0: | |
2277 | /* Hw sector size 256 */ | |
2278 | sector_size = ICH_FLASH_SEG_SIZE_256; | |
2279 | iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256; | |
2280 | break; | |
2281 | case 1: | |
2282 | sector_size = ICH_FLASH_SEG_SIZE_4K; | |
28c9195a | 2283 | iteration = 1; |
bc7f75fa AK |
2284 | break; |
2285 | case 2: | |
148675a7 BA |
2286 | sector_size = ICH_FLASH_SEG_SIZE_8K; |
2287 | iteration = 1; | |
bc7f75fa AK |
2288 | break; |
2289 | case 3: | |
2290 | sector_size = ICH_FLASH_SEG_SIZE_64K; | |
28c9195a | 2291 | iteration = 1; |
bc7f75fa AK |
2292 | break; |
2293 | default: | |
2294 | return -E1000_ERR_NVM; | |
2295 | } | |
2296 | ||
2297 | /* Start with the base address, then add the sector offset. */ | |
2298 | flash_linear_addr = hw->nvm.flash_base_addr; | |
148675a7 | 2299 | flash_linear_addr += (bank) ? flash_bank_size : 0; |
bc7f75fa AK |
2300 | |
2301 | for (j = 0; j < iteration ; j++) { | |
2302 | do { | |
2303 | /* Steps */ | |
2304 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2305 | if (ret_val) | |
2306 | return ret_val; | |
2307 | ||
ad68076e BA |
2308 | /* |
2309 | * Write a value 11 (block Erase) in Flash | |
2310 | * Cycle field in hw flash control | |
2311 | */ | |
bc7f75fa AK |
2312 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); |
2313 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE; | |
2314 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2315 | ||
ad68076e BA |
2316 | /* |
2317 | * Write the last 24 bits of an index within the | |
bc7f75fa AK |
2318 | * block into Flash Linear address field in Flash |
2319 | * Address. | |
2320 | */ | |
2321 | flash_linear_addr += (j * sector_size); | |
2322 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2323 | ||
2324 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
2325 | ICH_FLASH_ERASE_COMMAND_TIMEOUT); | |
2326 | if (ret_val == 0) | |
2327 | break; | |
2328 | ||
ad68076e BA |
2329 | /* |
2330 | * Check if FCERR is set to 1. If 1, | |
bc7f75fa | 2331 | * clear it and try the whole sequence |
ad68076e BA |
2332 | * a few more times else Done |
2333 | */ | |
bc7f75fa AK |
2334 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); |
2335 | if (hsfsts.hsf_status.flcerr == 1) | |
ad68076e | 2336 | /* repeat for some time before giving up */ |
bc7f75fa AK |
2337 | continue; |
2338 | else if (hsfsts.hsf_status.flcdone == 0) | |
2339 | return ret_val; | |
2340 | } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2341 | } | |
2342 | ||
2343 | return 0; | |
2344 | } | |
2345 | ||
2346 | /** | |
2347 | * e1000_valid_led_default_ich8lan - Set the default LED settings | |
2348 | * @hw: pointer to the HW structure | |
2349 | * @data: Pointer to the LED settings | |
2350 | * | |
2351 | * Reads the LED default settings from the NVM to data. If the NVM LED | |
2352 | * settings is all 0's or F's, set the LED default to a valid LED default | |
2353 | * setting. | |
2354 | **/ | |
2355 | static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data) | |
2356 | { | |
2357 | s32 ret_val; | |
2358 | ||
2359 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); | |
2360 | if (ret_val) { | |
3bb99fe2 | 2361 | e_dbg("NVM Read Error\n"); |
bc7f75fa AK |
2362 | return ret_val; |
2363 | } | |
2364 | ||
2365 | if (*data == ID_LED_RESERVED_0000 || | |
2366 | *data == ID_LED_RESERVED_FFFF) | |
2367 | *data = ID_LED_DEFAULT_ICH8LAN; | |
2368 | ||
2369 | return 0; | |
2370 | } | |
2371 | ||
a4f58f54 BA |
2372 | /** |
2373 | * e1000_id_led_init_pchlan - store LED configurations | |
2374 | * @hw: pointer to the HW structure | |
2375 | * | |
2376 | * PCH does not control LEDs via the LEDCTL register, rather it uses | |
2377 | * the PHY LED configuration register. | |
2378 | * | |
2379 | * PCH also does not have an "always on" or "always off" mode which | |
2380 | * complicates the ID feature. Instead of using the "on" mode to indicate | |
2381 | * in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init()), | |
2382 | * use "link_up" mode. The LEDs will still ID on request if there is no | |
2383 | * link based on logic in e1000_led_[on|off]_pchlan(). | |
2384 | **/ | |
2385 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) | |
2386 | { | |
2387 | struct e1000_mac_info *mac = &hw->mac; | |
2388 | s32 ret_val; | |
2389 | const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP; | |
2390 | const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT; | |
2391 | u16 data, i, temp, shift; | |
2392 | ||
2393 | /* Get default ID LED modes */ | |
2394 | ret_val = hw->nvm.ops.valid_led_default(hw, &data); | |
2395 | if (ret_val) | |
2396 | goto out; | |
2397 | ||
2398 | mac->ledctl_default = er32(LEDCTL); | |
2399 | mac->ledctl_mode1 = mac->ledctl_default; | |
2400 | mac->ledctl_mode2 = mac->ledctl_default; | |
2401 | ||
2402 | for (i = 0; i < 4; i++) { | |
2403 | temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK; | |
2404 | shift = (i * 5); | |
2405 | switch (temp) { | |
2406 | case ID_LED_ON1_DEF2: | |
2407 | case ID_LED_ON1_ON2: | |
2408 | case ID_LED_ON1_OFF2: | |
2409 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2410 | mac->ledctl_mode1 |= (ledctl_on << shift); | |
2411 | break; | |
2412 | case ID_LED_OFF1_DEF2: | |
2413 | case ID_LED_OFF1_ON2: | |
2414 | case ID_LED_OFF1_OFF2: | |
2415 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2416 | mac->ledctl_mode1 |= (ledctl_off << shift); | |
2417 | break; | |
2418 | default: | |
2419 | /* Do nothing */ | |
2420 | break; | |
2421 | } | |
2422 | switch (temp) { | |
2423 | case ID_LED_DEF1_ON2: | |
2424 | case ID_LED_ON1_ON2: | |
2425 | case ID_LED_OFF1_ON2: | |
2426 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2427 | mac->ledctl_mode2 |= (ledctl_on << shift); | |
2428 | break; | |
2429 | case ID_LED_DEF1_OFF2: | |
2430 | case ID_LED_ON1_OFF2: | |
2431 | case ID_LED_OFF1_OFF2: | |
2432 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2433 | mac->ledctl_mode2 |= (ledctl_off << shift); | |
2434 | break; | |
2435 | default: | |
2436 | /* Do nothing */ | |
2437 | break; | |
2438 | } | |
2439 | } | |
2440 | ||
2441 | out: | |
2442 | return ret_val; | |
2443 | } | |
2444 | ||
bc7f75fa AK |
2445 | /** |
2446 | * e1000_get_bus_info_ich8lan - Get/Set the bus type and width | |
2447 | * @hw: pointer to the HW structure | |
2448 | * | |
2449 | * ICH8 use the PCI Express bus, but does not contain a PCI Express Capability | |
2450 | * register, so the the bus width is hard coded. | |
2451 | **/ | |
2452 | static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) | |
2453 | { | |
2454 | struct e1000_bus_info *bus = &hw->bus; | |
2455 | s32 ret_val; | |
2456 | ||
2457 | ret_val = e1000e_get_bus_info_pcie(hw); | |
2458 | ||
ad68076e BA |
2459 | /* |
2460 | * ICH devices are "PCI Express"-ish. They have | |
bc7f75fa AK |
2461 | * a configuration space, but do not contain |
2462 | * PCI Express Capability registers, so bus width | |
2463 | * must be hardcoded. | |
2464 | */ | |
2465 | if (bus->width == e1000_bus_width_unknown) | |
2466 | bus->width = e1000_bus_width_pcie_x1; | |
2467 | ||
2468 | return ret_val; | |
2469 | } | |
2470 | ||
2471 | /** | |
2472 | * e1000_reset_hw_ich8lan - Reset the hardware | |
2473 | * @hw: pointer to the HW structure | |
2474 | * | |
2475 | * Does a full reset of the hardware which includes a reset of the PHY and | |
2476 | * MAC. | |
2477 | **/ | |
2478 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |
2479 | { | |
1d5846b9 | 2480 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
db2932ec | 2481 | u16 reg; |
bc7f75fa AK |
2482 | u32 ctrl, icr, kab; |
2483 | s32 ret_val; | |
2484 | ||
ad68076e BA |
2485 | /* |
2486 | * Prevent the PCI-E bus from sticking if there is no TLP connection | |
bc7f75fa AK |
2487 | * on the last TLP read/write transaction when MAC is reset. |
2488 | */ | |
2489 | ret_val = e1000e_disable_pcie_master(hw); | |
2490 | if (ret_val) { | |
3bb99fe2 | 2491 | e_dbg("PCI-E Master disable polling has failed.\n"); |
bc7f75fa AK |
2492 | } |
2493 | ||
3bb99fe2 | 2494 | e_dbg("Masking off all interrupts\n"); |
bc7f75fa AK |
2495 | ew32(IMC, 0xffffffff); |
2496 | ||
ad68076e BA |
2497 | /* |
2498 | * Disable the Transmit and Receive units. Then delay to allow | |
bc7f75fa AK |
2499 | * any pending transactions to complete before we hit the MAC |
2500 | * with the global reset. | |
2501 | */ | |
2502 | ew32(RCTL, 0); | |
2503 | ew32(TCTL, E1000_TCTL_PSP); | |
2504 | e1e_flush(); | |
2505 | ||
2506 | msleep(10); | |
2507 | ||
2508 | /* Workaround for ICH8 bit corruption issue in FIFO memory */ | |
2509 | if (hw->mac.type == e1000_ich8lan) { | |
2510 | /* Set Tx and Rx buffer allocation to 8k apiece. */ | |
2511 | ew32(PBA, E1000_PBA_8K); | |
2512 | /* Set Packet Buffer Size to 16k. */ | |
2513 | ew32(PBS, E1000_PBS_16K); | |
2514 | } | |
2515 | ||
1d5846b9 BA |
2516 | if (hw->mac.type == e1000_pchlan) { |
2517 | /* Save the NVM K1 bit setting*/ | |
2518 | ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); | |
2519 | if (ret_val) | |
2520 | return ret_val; | |
2521 | ||
2522 | if (reg & E1000_NVM_K1_ENABLE) | |
2523 | dev_spec->nvm_k1_enabled = true; | |
2524 | else | |
2525 | dev_spec->nvm_k1_enabled = false; | |
2526 | } | |
2527 | ||
bc7f75fa AK |
2528 | ctrl = er32(CTRL); |
2529 | ||
2530 | if (!e1000_check_reset_block(hw)) { | |
fc0c7760 BA |
2531 | /* Clear PHY Reset Asserted bit */ |
2532 | if (hw->mac.type >= e1000_pchlan) { | |
2533 | u32 status = er32(STATUS); | |
2534 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
2535 | } | |
2536 | ||
ad68076e BA |
2537 | /* |
2538 | * PHY HW reset requires MAC CORE reset at the same | |
bc7f75fa AK |
2539 | * time to make sure the interface between MAC and the |
2540 | * external PHY is reset. | |
2541 | */ | |
2542 | ctrl |= E1000_CTRL_PHY_RST; | |
2543 | } | |
2544 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
3bb99fe2 | 2545 | e_dbg("Issuing a global reset to ich8lan\n"); |
bc7f75fa AK |
2546 | ew32(CTRL, (ctrl | E1000_CTRL_RST)); |
2547 | msleep(20); | |
2548 | ||
fc0c7760 | 2549 | if (!ret_val) |
30bb0e0d | 2550 | e1000_release_swflag_ich8lan(hw); |
37f40239 | 2551 | |
fddaa1af BA |
2552 | /* Perform any necessary post-reset workarounds */ |
2553 | if (hw->mac.type == e1000_pchlan) | |
2554 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); | |
2555 | ||
fc0c7760 BA |
2556 | if (ctrl & E1000_CTRL_PHY_RST) |
2557 | ret_val = hw->phy.ops.get_cfg_done(hw); | |
2558 | ||
2559 | if (hw->mac.type >= e1000_ich10lan) { | |
2560 | e1000_lan_init_done_ich8lan(hw); | |
2561 | } else { | |
2562 | ret_val = e1000e_get_auto_rd_done(hw); | |
2563 | if (ret_val) { | |
2564 | /* | |
2565 | * When auto config read does not complete, do not | |
2566 | * return with an error. This can happen in situations | |
2567 | * where there is no eeprom and prevents getting link. | |
2568 | */ | |
3bb99fe2 | 2569 | e_dbg("Auto Read Done did not complete\n"); |
fc0c7760 | 2570 | } |
bc7f75fa | 2571 | } |
db2932ec BA |
2572 | /* Dummy read to clear the phy wakeup bit after lcd reset */ |
2573 | if (hw->mac.type == e1000_pchlan) | |
2574 | e1e_rphy(hw, BM_WUC, ®); | |
bc7f75fa | 2575 | |
f523d211 BA |
2576 | ret_val = e1000_sw_lcd_config_ich8lan(hw); |
2577 | if (ret_val) | |
2578 | goto out; | |
2579 | ||
2580 | if (hw->mac.type == e1000_pchlan) { | |
2581 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); | |
2582 | if (ret_val) | |
2583 | goto out; | |
2584 | } | |
7d3cabbc BA |
2585 | /* |
2586 | * For PCH, this write will make sure that any noise | |
2587 | * will be detected as a CRC error and be dropped rather than show up | |
2588 | * as a bad packet to the DMA engine. | |
2589 | */ | |
2590 | if (hw->mac.type == e1000_pchlan) | |
2591 | ew32(CRC_OFFSET, 0x65656565); | |
2592 | ||
bc7f75fa AK |
2593 | ew32(IMC, 0xffffffff); |
2594 | icr = er32(ICR); | |
2595 | ||
2596 | kab = er32(KABGTXD); | |
2597 | kab |= E1000_KABGTXD_BGSQLBIAS; | |
2598 | ew32(KABGTXD, kab); | |
2599 | ||
f523d211 | 2600 | out: |
bc7f75fa AK |
2601 | return ret_val; |
2602 | } | |
2603 | ||
2604 | /** | |
2605 | * e1000_init_hw_ich8lan - Initialize the hardware | |
2606 | * @hw: pointer to the HW structure | |
2607 | * | |
2608 | * Prepares the hardware for transmit and receive by doing the following: | |
2609 | * - initialize hardware bits | |
2610 | * - initialize LED identification | |
2611 | * - setup receive address registers | |
2612 | * - setup flow control | |
489815ce | 2613 | * - setup transmit descriptors |
bc7f75fa AK |
2614 | * - clear statistics |
2615 | **/ | |
2616 | static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) | |
2617 | { | |
2618 | struct e1000_mac_info *mac = &hw->mac; | |
2619 | u32 ctrl_ext, txdctl, snoop; | |
2620 | s32 ret_val; | |
2621 | u16 i; | |
2622 | ||
2623 | e1000_initialize_hw_bits_ich8lan(hw); | |
2624 | ||
2625 | /* Initialize identification LED */ | |
a4f58f54 | 2626 | ret_val = mac->ops.id_led_init(hw); |
de39b752 | 2627 | if (ret_val) |
3bb99fe2 | 2628 | e_dbg("Error initializing identification LED\n"); |
de39b752 | 2629 | /* This is not fatal and we should not stop init due to this */ |
bc7f75fa AK |
2630 | |
2631 | /* Setup the receive address. */ | |
2632 | e1000e_init_rx_addrs(hw, mac->rar_entry_count); | |
2633 | ||
2634 | /* Zero out the Multicast HASH table */ | |
3bb99fe2 | 2635 | e_dbg("Zeroing the MTA\n"); |
bc7f75fa AK |
2636 | for (i = 0; i < mac->mta_reg_count; i++) |
2637 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); | |
2638 | ||
fc0c7760 BA |
2639 | /* |
2640 | * The 82578 Rx buffer will stall if wakeup is enabled in host and | |
2641 | * the ME. Reading the BM_WUC register will clear the host wakeup bit. | |
2642 | * Reset the phy after disabling host wakeup to reset the Rx buffer. | |
2643 | */ | |
2644 | if (hw->phy.type == e1000_phy_82578) { | |
94d8186a | 2645 | hw->phy.ops.read_reg(hw, BM_WUC, &i); |
fc0c7760 BA |
2646 | ret_val = e1000_phy_hw_reset_ich8lan(hw); |
2647 | if (ret_val) | |
2648 | return ret_val; | |
2649 | } | |
2650 | ||
bc7f75fa AK |
2651 | /* Setup link and flow control */ |
2652 | ret_val = e1000_setup_link_ich8lan(hw); | |
2653 | ||
2654 | /* Set the transmit descriptor write-back policy for both queues */ | |
e9ec2c0f | 2655 | txdctl = er32(TXDCTL(0)); |
bc7f75fa AK |
2656 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
2657 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
2658 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
2659 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f JK |
2660 | ew32(TXDCTL(0), txdctl); |
2661 | txdctl = er32(TXDCTL(1)); | |
bc7f75fa AK |
2662 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
2663 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
2664 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
2665 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f | 2666 | ew32(TXDCTL(1), txdctl); |
bc7f75fa | 2667 | |
ad68076e BA |
2668 | /* |
2669 | * ICH8 has opposite polarity of no_snoop bits. | |
2670 | * By default, we should use snoop behavior. | |
2671 | */ | |
bc7f75fa AK |
2672 | if (mac->type == e1000_ich8lan) |
2673 | snoop = PCIE_ICH8_SNOOP_ALL; | |
2674 | else | |
2675 | snoop = (u32) ~(PCIE_NO_SNOOP_ALL); | |
2676 | e1000e_set_pcie_no_snoop(hw, snoop); | |
2677 | ||
2678 | ctrl_ext = er32(CTRL_EXT); | |
2679 | ctrl_ext |= E1000_CTRL_EXT_RO_DIS; | |
2680 | ew32(CTRL_EXT, ctrl_ext); | |
2681 | ||
ad68076e BA |
2682 | /* |
2683 | * Clear all of the statistics registers (clear on read). It is | |
bc7f75fa AK |
2684 | * important that we do this after we have tried to establish link |
2685 | * because the symbol error count will increment wildly if there | |
2686 | * is no link. | |
2687 | */ | |
2688 | e1000_clear_hw_cntrs_ich8lan(hw); | |
2689 | ||
2690 | return 0; | |
2691 | } | |
2692 | /** | |
2693 | * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits | |
2694 | * @hw: pointer to the HW structure | |
2695 | * | |
2696 | * Sets/Clears required hardware bits necessary for correctly setting up the | |
2697 | * hardware for transmit and receive. | |
2698 | **/ | |
2699 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) | |
2700 | { | |
2701 | u32 reg; | |
2702 | ||
2703 | /* Extended Device Control */ | |
2704 | reg = er32(CTRL_EXT); | |
2705 | reg |= (1 << 22); | |
a4f58f54 BA |
2706 | /* Enable PHY low-power state when MAC is at D3 w/o WoL */ |
2707 | if (hw->mac.type >= e1000_pchlan) | |
2708 | reg |= E1000_CTRL_EXT_PHYPDEN; | |
bc7f75fa AK |
2709 | ew32(CTRL_EXT, reg); |
2710 | ||
2711 | /* Transmit Descriptor Control 0 */ | |
e9ec2c0f | 2712 | reg = er32(TXDCTL(0)); |
bc7f75fa | 2713 | reg |= (1 << 22); |
e9ec2c0f | 2714 | ew32(TXDCTL(0), reg); |
bc7f75fa AK |
2715 | |
2716 | /* Transmit Descriptor Control 1 */ | |
e9ec2c0f | 2717 | reg = er32(TXDCTL(1)); |
bc7f75fa | 2718 | reg |= (1 << 22); |
e9ec2c0f | 2719 | ew32(TXDCTL(1), reg); |
bc7f75fa AK |
2720 | |
2721 | /* Transmit Arbitration Control 0 */ | |
e9ec2c0f | 2722 | reg = er32(TARC(0)); |
bc7f75fa AK |
2723 | if (hw->mac.type == e1000_ich8lan) |
2724 | reg |= (1 << 28) | (1 << 29); | |
2725 | reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27); | |
e9ec2c0f | 2726 | ew32(TARC(0), reg); |
bc7f75fa AK |
2727 | |
2728 | /* Transmit Arbitration Control 1 */ | |
e9ec2c0f | 2729 | reg = er32(TARC(1)); |
bc7f75fa AK |
2730 | if (er32(TCTL) & E1000_TCTL_MULR) |
2731 | reg &= ~(1 << 28); | |
2732 | else | |
2733 | reg |= (1 << 28); | |
2734 | reg |= (1 << 24) | (1 << 26) | (1 << 30); | |
e9ec2c0f | 2735 | ew32(TARC(1), reg); |
bc7f75fa AK |
2736 | |
2737 | /* Device Status */ | |
2738 | if (hw->mac.type == e1000_ich8lan) { | |
2739 | reg = er32(STATUS); | |
2740 | reg &= ~(1 << 31); | |
2741 | ew32(STATUS, reg); | |
2742 | } | |
a80483d3 JB |
2743 | |
2744 | /* | |
2745 | * work-around descriptor data corruption issue during nfs v2 udp | |
2746 | * traffic, just disable the nfs filtering capability | |
2747 | */ | |
2748 | reg = er32(RFCTL); | |
2749 | reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS); | |
2750 | ew32(RFCTL, reg); | |
2751 | ||
2752 | return; | |
bc7f75fa AK |
2753 | } |
2754 | ||
2755 | /** | |
2756 | * e1000_setup_link_ich8lan - Setup flow control and link settings | |
2757 | * @hw: pointer to the HW structure | |
2758 | * | |
2759 | * Determines which flow control settings to use, then configures flow | |
2760 | * control. Calls the appropriate media-specific link configuration | |
2761 | * function. Assuming the adapter has a valid link partner, a valid link | |
2762 | * should be established. Assumes the hardware has previously been reset | |
2763 | * and the transmitter and receiver are not enabled. | |
2764 | **/ | |
2765 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) | |
2766 | { | |
bc7f75fa AK |
2767 | s32 ret_val; |
2768 | ||
2769 | if (e1000_check_reset_block(hw)) | |
2770 | return 0; | |
2771 | ||
ad68076e BA |
2772 | /* |
2773 | * ICH parts do not have a word in the NVM to determine | |
bc7f75fa AK |
2774 | * the default flow control setting, so we explicitly |
2775 | * set it to full. | |
2776 | */ | |
37289d9c BA |
2777 | if (hw->fc.requested_mode == e1000_fc_default) { |
2778 | /* Workaround h/w hang when Tx flow control enabled */ | |
2779 | if (hw->mac.type == e1000_pchlan) | |
2780 | hw->fc.requested_mode = e1000_fc_rx_pause; | |
2781 | else | |
2782 | hw->fc.requested_mode = e1000_fc_full; | |
2783 | } | |
bc7f75fa | 2784 | |
5c48ef3e BA |
2785 | /* |
2786 | * Save off the requested flow control mode for use later. Depending | |
2787 | * on the link partner's capabilities, we may or may not use this mode. | |
2788 | */ | |
2789 | hw->fc.current_mode = hw->fc.requested_mode; | |
bc7f75fa | 2790 | |
3bb99fe2 | 2791 | e_dbg("After fix-ups FlowControl is now = %x\n", |
5c48ef3e | 2792 | hw->fc.current_mode); |
bc7f75fa AK |
2793 | |
2794 | /* Continue to configure the copper link. */ | |
2795 | ret_val = e1000_setup_copper_link_ich8lan(hw); | |
2796 | if (ret_val) | |
2797 | return ret_val; | |
2798 | ||
318a94d6 | 2799 | ew32(FCTTV, hw->fc.pause_time); |
a4f58f54 BA |
2800 | if ((hw->phy.type == e1000_phy_82578) || |
2801 | (hw->phy.type == e1000_phy_82577)) { | |
94d8186a | 2802 | ret_val = hw->phy.ops.write_reg(hw, |
a4f58f54 BA |
2803 | PHY_REG(BM_PORT_CTRL_PAGE, 27), |
2804 | hw->fc.pause_time); | |
2805 | if (ret_val) | |
2806 | return ret_val; | |
2807 | } | |
bc7f75fa AK |
2808 | |
2809 | return e1000e_set_fc_watermarks(hw); | |
2810 | } | |
2811 | ||
2812 | /** | |
2813 | * e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface | |
2814 | * @hw: pointer to the HW structure | |
2815 | * | |
2816 | * Configures the kumeran interface to the PHY to wait the appropriate time | |
2817 | * when polling the PHY, then call the generic setup_copper_link to finish | |
2818 | * configuring the copper link. | |
2819 | **/ | |
2820 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) | |
2821 | { | |
2822 | u32 ctrl; | |
2823 | s32 ret_val; | |
2824 | u16 reg_data; | |
2825 | ||
2826 | ctrl = er32(CTRL); | |
2827 | ctrl |= E1000_CTRL_SLU; | |
2828 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); | |
2829 | ew32(CTRL, ctrl); | |
2830 | ||
ad68076e BA |
2831 | /* |
2832 | * Set the mac to wait the maximum time between each iteration | |
bc7f75fa | 2833 | * and increase the max iterations when polling the phy; |
ad68076e BA |
2834 | * this fixes erroneous timeouts at 10Mbps. |
2835 | */ | |
07818950 | 2836 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF); |
bc7f75fa AK |
2837 | if (ret_val) |
2838 | return ret_val; | |
07818950 BA |
2839 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
2840 | ®_data); | |
bc7f75fa AK |
2841 | if (ret_val) |
2842 | return ret_val; | |
2843 | reg_data |= 0x3F; | |
07818950 BA |
2844 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
2845 | reg_data); | |
bc7f75fa AK |
2846 | if (ret_val) |
2847 | return ret_val; | |
2848 | ||
a4f58f54 BA |
2849 | switch (hw->phy.type) { |
2850 | case e1000_phy_igp_3: | |
bc7f75fa AK |
2851 | ret_val = e1000e_copper_link_setup_igp(hw); |
2852 | if (ret_val) | |
2853 | return ret_val; | |
a4f58f54 BA |
2854 | break; |
2855 | case e1000_phy_bm: | |
2856 | case e1000_phy_82578: | |
97ac8cae BA |
2857 | ret_val = e1000e_copper_link_setup_m88(hw); |
2858 | if (ret_val) | |
2859 | return ret_val; | |
a4f58f54 BA |
2860 | break; |
2861 | case e1000_phy_82577: | |
2862 | ret_val = e1000_copper_link_setup_82577(hw); | |
2863 | if (ret_val) | |
2864 | return ret_val; | |
2865 | break; | |
2866 | case e1000_phy_ife: | |
94d8186a | 2867 | ret_val = hw->phy.ops.read_reg(hw, IFE_PHY_MDIX_CONTROL, |
a4f58f54 | 2868 | ®_data); |
97ac8cae BA |
2869 | if (ret_val) |
2870 | return ret_val; | |
2871 | ||
2872 | reg_data &= ~IFE_PMC_AUTO_MDIX; | |
2873 | ||
2874 | switch (hw->phy.mdix) { | |
2875 | case 1: | |
2876 | reg_data &= ~IFE_PMC_FORCE_MDIX; | |
2877 | break; | |
2878 | case 2: | |
2879 | reg_data |= IFE_PMC_FORCE_MDIX; | |
2880 | break; | |
2881 | case 0: | |
2882 | default: | |
2883 | reg_data |= IFE_PMC_AUTO_MDIX; | |
2884 | break; | |
2885 | } | |
94d8186a | 2886 | ret_val = hw->phy.ops.write_reg(hw, IFE_PHY_MDIX_CONTROL, |
a4f58f54 | 2887 | reg_data); |
97ac8cae BA |
2888 | if (ret_val) |
2889 | return ret_val; | |
a4f58f54 BA |
2890 | break; |
2891 | default: | |
2892 | break; | |
97ac8cae | 2893 | } |
bc7f75fa AK |
2894 | return e1000e_setup_copper_link(hw); |
2895 | } | |
2896 | ||
2897 | /** | |
2898 | * e1000_get_link_up_info_ich8lan - Get current link speed and duplex | |
2899 | * @hw: pointer to the HW structure | |
2900 | * @speed: pointer to store current link speed | |
2901 | * @duplex: pointer to store the current link duplex | |
2902 | * | |
ad68076e | 2903 | * Calls the generic get_speed_and_duplex to retrieve the current link |
bc7f75fa AK |
2904 | * information and then calls the Kumeran lock loss workaround for links at |
2905 | * gigabit speeds. | |
2906 | **/ | |
2907 | static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, | |
2908 | u16 *duplex) | |
2909 | { | |
2910 | s32 ret_val; | |
2911 | ||
2912 | ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex); | |
2913 | if (ret_val) | |
2914 | return ret_val; | |
2915 | ||
2916 | if ((hw->mac.type == e1000_ich8lan) && | |
2917 | (hw->phy.type == e1000_phy_igp_3) && | |
2918 | (*speed == SPEED_1000)) { | |
2919 | ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw); | |
2920 | } | |
2921 | ||
2922 | return ret_val; | |
2923 | } | |
2924 | ||
2925 | /** | |
2926 | * e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround | |
2927 | * @hw: pointer to the HW structure | |
2928 | * | |
2929 | * Work-around for 82566 Kumeran PCS lock loss: | |
2930 | * On link status change (i.e. PCI reset, speed change) and link is up and | |
2931 | * speed is gigabit- | |
2932 | * 0) if workaround is optionally disabled do nothing | |
2933 | * 1) wait 1ms for Kumeran link to come up | |
2934 | * 2) check Kumeran Diagnostic register PCS lock loss bit | |
2935 | * 3) if not set the link is locked (all is good), otherwise... | |
2936 | * 4) reset the PHY | |
2937 | * 5) repeat up to 10 times | |
2938 | * Note: this is only called for IGP3 copper when speed is 1gb. | |
2939 | **/ | |
2940 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) | |
2941 | { | |
2942 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
2943 | u32 phy_ctrl; | |
2944 | s32 ret_val; | |
2945 | u16 i, data; | |
2946 | bool link; | |
2947 | ||
2948 | if (!dev_spec->kmrn_lock_loss_workaround_enabled) | |
2949 | return 0; | |
2950 | ||
ad68076e BA |
2951 | /* |
2952 | * Make sure link is up before proceeding. If not just return. | |
bc7f75fa | 2953 | * Attempting this while link is negotiating fouled up link |
ad68076e BA |
2954 | * stability |
2955 | */ | |
bc7f75fa AK |
2956 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
2957 | if (!link) | |
2958 | return 0; | |
2959 | ||
2960 | for (i = 0; i < 10; i++) { | |
2961 | /* read once to clear */ | |
2962 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
2963 | if (ret_val) | |
2964 | return ret_val; | |
2965 | /* and again to get new status */ | |
2966 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
2967 | if (ret_val) | |
2968 | return ret_val; | |
2969 | ||
2970 | /* check for PCS lock */ | |
2971 | if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS)) | |
2972 | return 0; | |
2973 | ||
2974 | /* Issue PHY reset */ | |
2975 | e1000_phy_hw_reset(hw); | |
2976 | mdelay(5); | |
2977 | } | |
2978 | /* Disable GigE link negotiation */ | |
2979 | phy_ctrl = er32(PHY_CTRL); | |
2980 | phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE | | |
2981 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
2982 | ew32(PHY_CTRL, phy_ctrl); | |
2983 | ||
ad68076e BA |
2984 | /* |
2985 | * Call gig speed drop workaround on Gig disable before accessing | |
2986 | * any PHY registers | |
2987 | */ | |
bc7f75fa AK |
2988 | e1000e_gig_downshift_workaround_ich8lan(hw); |
2989 | ||
2990 | /* unable to acquire PCS lock */ | |
2991 | return -E1000_ERR_PHY; | |
2992 | } | |
2993 | ||
2994 | /** | |
ad68076e | 2995 | * e1000_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state |
bc7f75fa | 2996 | * @hw: pointer to the HW structure |
489815ce | 2997 | * @state: boolean value used to set the current Kumeran workaround state |
bc7f75fa | 2998 | * |
564ea9bb BA |
2999 | * If ICH8, set the current Kumeran workaround state (enabled - true |
3000 | * /disabled - false). | |
bc7f75fa AK |
3001 | **/ |
3002 | void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, | |
3003 | bool state) | |
3004 | { | |
3005 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3006 | ||
3007 | if (hw->mac.type != e1000_ich8lan) { | |
3bb99fe2 | 3008 | e_dbg("Workaround applies to ICH8 only.\n"); |
bc7f75fa AK |
3009 | return; |
3010 | } | |
3011 | ||
3012 | dev_spec->kmrn_lock_loss_workaround_enabled = state; | |
3013 | } | |
3014 | ||
3015 | /** | |
3016 | * e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3 | |
3017 | * @hw: pointer to the HW structure | |
3018 | * | |
3019 | * Workaround for 82566 power-down on D3 entry: | |
3020 | * 1) disable gigabit link | |
3021 | * 2) write VR power-down enable | |
3022 | * 3) read it back | |
3023 | * Continue if successful, else issue LCD reset and repeat | |
3024 | **/ | |
3025 | void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) | |
3026 | { | |
3027 | u32 reg; | |
3028 | u16 data; | |
3029 | u8 retry = 0; | |
3030 | ||
3031 | if (hw->phy.type != e1000_phy_igp_3) | |
3032 | return; | |
3033 | ||
3034 | /* Try the workaround twice (if needed) */ | |
3035 | do { | |
3036 | /* Disable link */ | |
3037 | reg = er32(PHY_CTRL); | |
3038 | reg |= (E1000_PHY_CTRL_GBE_DISABLE | | |
3039 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
3040 | ew32(PHY_CTRL, reg); | |
3041 | ||
ad68076e BA |
3042 | /* |
3043 | * Call gig speed drop workaround on Gig disable before | |
3044 | * accessing any PHY registers | |
3045 | */ | |
bc7f75fa AK |
3046 | if (hw->mac.type == e1000_ich8lan) |
3047 | e1000e_gig_downshift_workaround_ich8lan(hw); | |
3048 | ||
3049 | /* Write VR power-down enable */ | |
3050 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3051 | data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3052 | e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN); | |
3053 | ||
3054 | /* Read it back and test */ | |
3055 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3056 | data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3057 | if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry) | |
3058 | break; | |
3059 | ||
3060 | /* Issue PHY reset and repeat at most one more time */ | |
3061 | reg = er32(CTRL); | |
3062 | ew32(CTRL, reg | E1000_CTRL_PHY_RST); | |
3063 | retry++; | |
3064 | } while (retry); | |
3065 | } | |
3066 | ||
3067 | /** | |
3068 | * e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working | |
3069 | * @hw: pointer to the HW structure | |
3070 | * | |
3071 | * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC), | |
489815ce | 3072 | * LPLU, Gig disable, MDIC PHY reset): |
bc7f75fa AK |
3073 | * 1) Set Kumeran Near-end loopback |
3074 | * 2) Clear Kumeran Near-end loopback | |
3075 | * Should only be called for ICH8[m] devices with IGP_3 Phy. | |
3076 | **/ | |
3077 | void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) | |
3078 | { | |
3079 | s32 ret_val; | |
3080 | u16 reg_data; | |
3081 | ||
3082 | if ((hw->mac.type != e1000_ich8lan) || | |
3083 | (hw->phy.type != e1000_phy_igp_3)) | |
3084 | return; | |
3085 | ||
3086 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3087 | ®_data); | |
3088 | if (ret_val) | |
3089 | return; | |
3090 | reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3091 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3092 | reg_data); | |
3093 | if (ret_val) | |
3094 | return; | |
3095 | reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3096 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3097 | reg_data); | |
3098 | } | |
3099 | ||
97ac8cae BA |
3100 | /** |
3101 | * e1000e_disable_gig_wol_ich8lan - disable gig during WoL | |
3102 | * @hw: pointer to the HW structure | |
3103 | * | |
3104 | * During S0 to Sx transition, it is possible the link remains at gig | |
3105 | * instead of negotiating to a lower speed. Before going to Sx, set | |
3106 | * 'LPLU Enabled' and 'Gig Disable' to force link speed negotiation | |
3107 | * to a lower speed. | |
3108 | * | |
a4f58f54 | 3109 | * Should only be called for applicable parts. |
97ac8cae BA |
3110 | **/ |
3111 | void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) | |
3112 | { | |
3113 | u32 phy_ctrl; | |
3114 | ||
a4f58f54 | 3115 | switch (hw->mac.type) { |
9e135a2e | 3116 | case e1000_ich8lan: |
a4f58f54 BA |
3117 | case e1000_ich9lan: |
3118 | case e1000_ich10lan: | |
3119 | case e1000_pchlan: | |
97ac8cae BA |
3120 | phy_ctrl = er32(PHY_CTRL); |
3121 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | | |
3122 | E1000_PHY_CTRL_GBE_DISABLE; | |
3123 | ew32(PHY_CTRL, phy_ctrl); | |
a4f58f54 | 3124 | |
a4f58f54 | 3125 | if (hw->mac.type == e1000_pchlan) |
74eee2e8 | 3126 | e1000_phy_hw_reset_ich8lan(hw); |
a4f58f54 BA |
3127 | default: |
3128 | break; | |
97ac8cae BA |
3129 | } |
3130 | ||
3131 | return; | |
3132 | } | |
3133 | ||
bc7f75fa AK |
3134 | /** |
3135 | * e1000_cleanup_led_ich8lan - Restore the default LED operation | |
3136 | * @hw: pointer to the HW structure | |
3137 | * | |
3138 | * Return the LED back to the default configuration. | |
3139 | **/ | |
3140 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw) | |
3141 | { | |
3142 | if (hw->phy.type == e1000_phy_ife) | |
3143 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); | |
3144 | ||
3145 | ew32(LEDCTL, hw->mac.ledctl_default); | |
3146 | return 0; | |
3147 | } | |
3148 | ||
3149 | /** | |
489815ce | 3150 | * e1000_led_on_ich8lan - Turn LEDs on |
bc7f75fa AK |
3151 | * @hw: pointer to the HW structure |
3152 | * | |
489815ce | 3153 | * Turn on the LEDs. |
bc7f75fa AK |
3154 | **/ |
3155 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) | |
3156 | { | |
3157 | if (hw->phy.type == e1000_phy_ife) | |
3158 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3159 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON)); | |
3160 | ||
3161 | ew32(LEDCTL, hw->mac.ledctl_mode2); | |
3162 | return 0; | |
3163 | } | |
3164 | ||
3165 | /** | |
489815ce | 3166 | * e1000_led_off_ich8lan - Turn LEDs off |
bc7f75fa AK |
3167 | * @hw: pointer to the HW structure |
3168 | * | |
489815ce | 3169 | * Turn off the LEDs. |
bc7f75fa AK |
3170 | **/ |
3171 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) | |
3172 | { | |
3173 | if (hw->phy.type == e1000_phy_ife) | |
3174 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3175 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF)); | |
3176 | ||
3177 | ew32(LEDCTL, hw->mac.ledctl_mode1); | |
3178 | return 0; | |
3179 | } | |
3180 | ||
a4f58f54 BA |
3181 | /** |
3182 | * e1000_setup_led_pchlan - Configures SW controllable LED | |
3183 | * @hw: pointer to the HW structure | |
3184 | * | |
3185 | * This prepares the SW controllable LED for use. | |
3186 | **/ | |
3187 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw) | |
3188 | { | |
94d8186a | 3189 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, |
a4f58f54 BA |
3190 | (u16)hw->mac.ledctl_mode1); |
3191 | } | |
3192 | ||
3193 | /** | |
3194 | * e1000_cleanup_led_pchlan - Restore the default LED operation | |
3195 | * @hw: pointer to the HW structure | |
3196 | * | |
3197 | * Return the LED back to the default configuration. | |
3198 | **/ | |
3199 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw) | |
3200 | { | |
94d8186a | 3201 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, |
a4f58f54 BA |
3202 | (u16)hw->mac.ledctl_default); |
3203 | } | |
3204 | ||
3205 | /** | |
3206 | * e1000_led_on_pchlan - Turn LEDs on | |
3207 | * @hw: pointer to the HW structure | |
3208 | * | |
3209 | * Turn on the LEDs. | |
3210 | **/ | |
3211 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw) | |
3212 | { | |
3213 | u16 data = (u16)hw->mac.ledctl_mode2; | |
3214 | u32 i, led; | |
3215 | ||
3216 | /* | |
3217 | * If no link, then turn LED on by setting the invert bit | |
3218 | * for each LED that's mode is "link_up" in ledctl_mode2. | |
3219 | */ | |
3220 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3221 | for (i = 0; i < 3; i++) { | |
3222 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3223 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3224 | E1000_LEDCTL_MODE_LINK_UP) | |
3225 | continue; | |
3226 | if (led & E1000_PHY_LED0_IVRT) | |
3227 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3228 | else | |
3229 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3230 | } | |
3231 | } | |
3232 | ||
94d8186a | 3233 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
3234 | } |
3235 | ||
3236 | /** | |
3237 | * e1000_led_off_pchlan - Turn LEDs off | |
3238 | * @hw: pointer to the HW structure | |
3239 | * | |
3240 | * Turn off the LEDs. | |
3241 | **/ | |
3242 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw) | |
3243 | { | |
3244 | u16 data = (u16)hw->mac.ledctl_mode1; | |
3245 | u32 i, led; | |
3246 | ||
3247 | /* | |
3248 | * If no link, then turn LED off by clearing the invert bit | |
3249 | * for each LED that's mode is "link_up" in ledctl_mode1. | |
3250 | */ | |
3251 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3252 | for (i = 0; i < 3; i++) { | |
3253 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3254 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3255 | E1000_LEDCTL_MODE_LINK_UP) | |
3256 | continue; | |
3257 | if (led & E1000_PHY_LED0_IVRT) | |
3258 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3259 | else | |
3260 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3261 | } | |
3262 | } | |
3263 | ||
94d8186a | 3264 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
3265 | } |
3266 | ||
f4187b56 BA |
3267 | /** |
3268 | * e1000_get_cfg_done_ich8lan - Read config done bit | |
3269 | * @hw: pointer to the HW structure | |
3270 | * | |
3271 | * Read the management control register for the config done bit for | |
3272 | * completion status. NOTE: silicon which is EEPROM-less will fail trying | |
3273 | * to read the config done bit, so an error is *ONLY* logged and returns | |
a4f58f54 | 3274 | * 0. If we were to return with error, EEPROM-less silicon |
f4187b56 BA |
3275 | * would not be able to be reset or change link. |
3276 | **/ | |
3277 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) | |
3278 | { | |
3279 | u32 bank = 0; | |
3280 | ||
fc0c7760 BA |
3281 | if (hw->mac.type >= e1000_pchlan) { |
3282 | u32 status = er32(STATUS); | |
3283 | ||
3284 | if (status & E1000_STATUS_PHYRA) | |
3285 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
3286 | else | |
3bb99fe2 | 3287 | e_dbg("PHY Reset Asserted not set - needs delay\n"); |
fc0c7760 BA |
3288 | } |
3289 | ||
f4187b56 BA |
3290 | e1000e_get_cfg_done(hw); |
3291 | ||
3292 | /* If EEPROM is not marked present, init the IGP 3 PHY manually */ | |
a4f58f54 BA |
3293 | if ((hw->mac.type != e1000_ich10lan) && |
3294 | (hw->mac.type != e1000_pchlan)) { | |
f4187b56 BA |
3295 | if (((er32(EECD) & E1000_EECD_PRES) == 0) && |
3296 | (hw->phy.type == e1000_phy_igp_3)) { | |
3297 | e1000e_phy_init_script_igp3(hw); | |
3298 | } | |
3299 | } else { | |
3300 | if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) { | |
3301 | /* Maybe we should do a basic PHY config */ | |
3bb99fe2 | 3302 | e_dbg("EEPROM not present\n"); |
f4187b56 BA |
3303 | return -E1000_ERR_CONFIG; |
3304 | } | |
3305 | } | |
3306 | ||
3307 | return 0; | |
3308 | } | |
3309 | ||
17f208de BA |
3310 | /** |
3311 | * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down | |
3312 | * @hw: pointer to the HW structure | |
3313 | * | |
3314 | * In the case of a PHY power down to save power, or to turn off link during a | |
3315 | * driver unload, or wake on lan is not enabled, remove the link. | |
3316 | **/ | |
3317 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw) | |
3318 | { | |
3319 | /* If the management interface is not enabled, then power down */ | |
3320 | if (!(hw->mac.ops.check_mng_mode(hw) || | |
3321 | hw->phy.ops.check_reset_block(hw))) | |
3322 | e1000_power_down_phy_copper(hw); | |
3323 | ||
3324 | return; | |
3325 | } | |
3326 | ||
bc7f75fa AK |
3327 | /** |
3328 | * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters | |
3329 | * @hw: pointer to the HW structure | |
3330 | * | |
3331 | * Clears hardware counters specific to the silicon family and calls | |
3332 | * clear_hw_cntrs_generic to clear all general purpose counters. | |
3333 | **/ | |
3334 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) | |
3335 | { | |
a4f58f54 | 3336 | u16 phy_data; |
bc7f75fa AK |
3337 | |
3338 | e1000e_clear_hw_cntrs_base(hw); | |
3339 | ||
99673d9b BA |
3340 | er32(ALGNERRC); |
3341 | er32(RXERRC); | |
3342 | er32(TNCRS); | |
3343 | er32(CEXTERR); | |
3344 | er32(TSCTC); | |
3345 | er32(TSCTFC); | |
bc7f75fa | 3346 | |
99673d9b BA |
3347 | er32(MGTPRC); |
3348 | er32(MGTPDC); | |
3349 | er32(MGTPTC); | |
bc7f75fa | 3350 | |
99673d9b BA |
3351 | er32(IAC); |
3352 | er32(ICRXOC); | |
bc7f75fa | 3353 | |
a4f58f54 BA |
3354 | /* Clear PHY statistics registers */ |
3355 | if ((hw->phy.type == e1000_phy_82578) || | |
3356 | (hw->phy.type == e1000_phy_82577)) { | |
94d8186a BA |
3357 | hw->phy.ops.read_reg(hw, HV_SCC_UPPER, &phy_data); |
3358 | hw->phy.ops.read_reg(hw, HV_SCC_LOWER, &phy_data); | |
3359 | hw->phy.ops.read_reg(hw, HV_ECOL_UPPER, &phy_data); | |
3360 | hw->phy.ops.read_reg(hw, HV_ECOL_LOWER, &phy_data); | |
3361 | hw->phy.ops.read_reg(hw, HV_MCC_UPPER, &phy_data); | |
3362 | hw->phy.ops.read_reg(hw, HV_MCC_LOWER, &phy_data); | |
3363 | hw->phy.ops.read_reg(hw, HV_LATECOL_UPPER, &phy_data); | |
3364 | hw->phy.ops.read_reg(hw, HV_LATECOL_LOWER, &phy_data); | |
3365 | hw->phy.ops.read_reg(hw, HV_COLC_UPPER, &phy_data); | |
3366 | hw->phy.ops.read_reg(hw, HV_COLC_LOWER, &phy_data); | |
3367 | hw->phy.ops.read_reg(hw, HV_DC_UPPER, &phy_data); | |
3368 | hw->phy.ops.read_reg(hw, HV_DC_LOWER, &phy_data); | |
3369 | hw->phy.ops.read_reg(hw, HV_TNCRS_UPPER, &phy_data); | |
3370 | hw->phy.ops.read_reg(hw, HV_TNCRS_LOWER, &phy_data); | |
a4f58f54 | 3371 | } |
bc7f75fa AK |
3372 | } |
3373 | ||
3374 | static struct e1000_mac_operations ich8_mac_ops = { | |
a4f58f54 | 3375 | .id_led_init = e1000e_id_led_init, |
4662e82b | 3376 | .check_mng_mode = e1000_check_mng_mode_ich8lan, |
7d3cabbc | 3377 | .check_for_link = e1000_check_for_copper_link_ich8lan, |
a4f58f54 | 3378 | /* cleanup_led dependent on mac type */ |
bc7f75fa AK |
3379 | .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, |
3380 | .get_bus_info = e1000_get_bus_info_ich8lan, | |
f4d2dd4c | 3381 | .set_lan_id = e1000_set_lan_id_single_port, |
bc7f75fa | 3382 | .get_link_up_info = e1000_get_link_up_info_ich8lan, |
a4f58f54 BA |
3383 | /* led_on dependent on mac type */ |
3384 | /* led_off dependent on mac type */ | |
e2de3eb6 | 3385 | .update_mc_addr_list = e1000e_update_mc_addr_list_generic, |
bc7f75fa AK |
3386 | .reset_hw = e1000_reset_hw_ich8lan, |
3387 | .init_hw = e1000_init_hw_ich8lan, | |
3388 | .setup_link = e1000_setup_link_ich8lan, | |
3389 | .setup_physical_interface= e1000_setup_copper_link_ich8lan, | |
a4f58f54 | 3390 | /* id_led_init dependent on mac type */ |
bc7f75fa AK |
3391 | }; |
3392 | ||
3393 | static struct e1000_phy_operations ich8_phy_ops = { | |
94d8186a | 3394 | .acquire = e1000_acquire_swflag_ich8lan, |
bc7f75fa | 3395 | .check_reset_block = e1000_check_reset_block_ich8lan, |
94d8186a | 3396 | .commit = NULL, |
f4187b56 | 3397 | .get_cfg_done = e1000_get_cfg_done_ich8lan, |
bc7f75fa | 3398 | .get_cable_length = e1000e_get_cable_length_igp_2, |
94d8186a BA |
3399 | .read_reg = e1000e_read_phy_reg_igp, |
3400 | .release = e1000_release_swflag_ich8lan, | |
3401 | .reset = e1000_phy_hw_reset_ich8lan, | |
bc7f75fa AK |
3402 | .set_d0_lplu_state = e1000_set_d0_lplu_state_ich8lan, |
3403 | .set_d3_lplu_state = e1000_set_d3_lplu_state_ich8lan, | |
94d8186a | 3404 | .write_reg = e1000e_write_phy_reg_igp, |
bc7f75fa AK |
3405 | }; |
3406 | ||
3407 | static struct e1000_nvm_operations ich8_nvm_ops = { | |
94d8186a BA |
3408 | .acquire = e1000_acquire_nvm_ich8lan, |
3409 | .read = e1000_read_nvm_ich8lan, | |
3410 | .release = e1000_release_nvm_ich8lan, | |
3411 | .update = e1000_update_nvm_checksum_ich8lan, | |
bc7f75fa | 3412 | .valid_led_default = e1000_valid_led_default_ich8lan, |
94d8186a BA |
3413 | .validate = e1000_validate_nvm_checksum_ich8lan, |
3414 | .write = e1000_write_nvm_ich8lan, | |
bc7f75fa AK |
3415 | }; |
3416 | ||
3417 | struct e1000_info e1000_ich8_info = { | |
3418 | .mac = e1000_ich8lan, | |
3419 | .flags = FLAG_HAS_WOL | |
97ac8cae | 3420 | | FLAG_IS_ICH |
bc7f75fa AK |
3421 | | FLAG_RX_CSUM_ENABLED |
3422 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3423 | | FLAG_HAS_AMT | |
3424 | | FLAG_HAS_FLASH | |
3425 | | FLAG_APME_IN_WUC, | |
3426 | .pba = 8, | |
2adc55c9 | 3427 | .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, |
69e3fd8c | 3428 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3429 | .mac_ops = &ich8_mac_ops, |
3430 | .phy_ops = &ich8_phy_ops, | |
3431 | .nvm_ops = &ich8_nvm_ops, | |
3432 | }; | |
3433 | ||
3434 | struct e1000_info e1000_ich9_info = { | |
3435 | .mac = e1000_ich9lan, | |
3436 | .flags = FLAG_HAS_JUMBO_FRAMES | |
97ac8cae | 3437 | | FLAG_IS_ICH |
bc7f75fa AK |
3438 | | FLAG_HAS_WOL |
3439 | | FLAG_RX_CSUM_ENABLED | |
3440 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3441 | | FLAG_HAS_AMT | |
3442 | | FLAG_HAS_ERT | |
3443 | | FLAG_HAS_FLASH | |
3444 | | FLAG_APME_IN_WUC, | |
3445 | .pba = 10, | |
2adc55c9 | 3446 | .max_hw_frame_size = DEFAULT_JUMBO, |
69e3fd8c | 3447 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3448 | .mac_ops = &ich8_mac_ops, |
3449 | .phy_ops = &ich8_phy_ops, | |
3450 | .nvm_ops = &ich8_nvm_ops, | |
3451 | }; | |
3452 | ||
f4187b56 BA |
3453 | struct e1000_info e1000_ich10_info = { |
3454 | .mac = e1000_ich10lan, | |
3455 | .flags = FLAG_HAS_JUMBO_FRAMES | |
3456 | | FLAG_IS_ICH | |
3457 | | FLAG_HAS_WOL | |
3458 | | FLAG_RX_CSUM_ENABLED | |
3459 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3460 | | FLAG_HAS_AMT | |
3461 | | FLAG_HAS_ERT | |
3462 | | FLAG_HAS_FLASH | |
3463 | | FLAG_APME_IN_WUC, | |
3464 | .pba = 10, | |
2adc55c9 | 3465 | .max_hw_frame_size = DEFAULT_JUMBO, |
f4187b56 BA |
3466 | .get_variants = e1000_get_variants_ich8lan, |
3467 | .mac_ops = &ich8_mac_ops, | |
3468 | .phy_ops = &ich8_phy_ops, | |
3469 | .nvm_ops = &ich8_nvm_ops, | |
3470 | }; | |
a4f58f54 BA |
3471 | |
3472 | struct e1000_info e1000_pch_info = { | |
3473 | .mac = e1000_pchlan, | |
3474 | .flags = FLAG_IS_ICH | |
3475 | | FLAG_HAS_WOL | |
3476 | | FLAG_RX_CSUM_ENABLED | |
3477 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3478 | | FLAG_HAS_AMT | |
3479 | | FLAG_HAS_FLASH | |
3480 | | FLAG_HAS_JUMBO_FRAMES | |
38eb394e | 3481 | | FLAG_DISABLE_FC_PAUSE_TIME /* errata */ |
a4f58f54 BA |
3482 | | FLAG_APME_IN_WUC, |
3483 | .pba = 26, | |
3484 | .max_hw_frame_size = 4096, | |
3485 | .get_variants = e1000_get_variants_ich8lan, | |
3486 | .mac_ops = &ich8_mac_ops, | |
3487 | .phy_ops = &ich8_phy_ops, | |
3488 | .nvm_ops = &ich8_nvm_ops, | |
3489 | }; |