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bc7f75fa AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel PRO/1000 Linux driver | |
451152d9 | 4 | Copyright(c) 1999 - 2010 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 | |
d3738bb8 BA |
55 | * 82579LM Gigabit Network Connection |
56 | * 82579V Gigabit Network Connection | |
bc7f75fa AK |
57 | */ |
58 | ||
bc7f75fa AK |
59 | #include "e1000.h" |
60 | ||
61 | #define ICH_FLASH_GFPREG 0x0000 | |
62 | #define ICH_FLASH_HSFSTS 0x0004 | |
63 | #define ICH_FLASH_HSFCTL 0x0006 | |
64 | #define ICH_FLASH_FADDR 0x0008 | |
65 | #define ICH_FLASH_FDATA0 0x0010 | |
4a770358 | 66 | #define ICH_FLASH_PR0 0x0074 |
bc7f75fa AK |
67 | |
68 | #define ICH_FLASH_READ_COMMAND_TIMEOUT 500 | |
69 | #define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500 | |
70 | #define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000 | |
71 | #define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF | |
72 | #define ICH_FLASH_CYCLE_REPEAT_COUNT 10 | |
73 | ||
74 | #define ICH_CYCLE_READ 0 | |
75 | #define ICH_CYCLE_WRITE 2 | |
76 | #define ICH_CYCLE_ERASE 3 | |
77 | ||
78 | #define FLASH_GFPREG_BASE_MASK 0x1FFF | |
79 | #define FLASH_SECTOR_ADDR_SHIFT 12 | |
80 | ||
81 | #define ICH_FLASH_SEG_SIZE_256 256 | |
82 | #define ICH_FLASH_SEG_SIZE_4K 4096 | |
83 | #define ICH_FLASH_SEG_SIZE_8K 8192 | |
84 | #define ICH_FLASH_SEG_SIZE_64K 65536 | |
85 | ||
86 | ||
87 | #define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */ | |
6dfaa769 BA |
88 | /* FW established a valid mode */ |
89 | #define E1000_ICH_FWSM_FW_VALID 0x00008000 | |
bc7f75fa AK |
90 | |
91 | #define E1000_ICH_MNG_IAMT_MODE 0x2 | |
92 | ||
93 | #define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \ | |
94 | (ID_LED_DEF1_OFF2 << 8) | \ | |
95 | (ID_LED_DEF1_ON2 << 4) | \ | |
96 | (ID_LED_DEF1_DEF2)) | |
97 | ||
98 | #define E1000_ICH_NVM_SIG_WORD 0x13 | |
99 | #define E1000_ICH_NVM_SIG_MASK 0xC000 | |
e243455d BA |
100 | #define E1000_ICH_NVM_VALID_SIG_MASK 0xC0 |
101 | #define E1000_ICH_NVM_SIG_VALUE 0x80 | |
bc7f75fa AK |
102 | |
103 | #define E1000_ICH8_LAN_INIT_TIMEOUT 1500 | |
104 | ||
105 | #define E1000_FEXTNVM_SW_CONFIG 1 | |
106 | #define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */ | |
107 | ||
831bd2e6 BA |
108 | #define E1000_FEXTNVM4_BEACON_DURATION_MASK 0x7 |
109 | #define E1000_FEXTNVM4_BEACON_DURATION_8USEC 0x7 | |
110 | #define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3 | |
111 | ||
bc7f75fa AK |
112 | #define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL |
113 | ||
114 | #define E1000_ICH_RAR_ENTRIES 7 | |
115 | ||
116 | #define PHY_PAGE_SHIFT 5 | |
117 | #define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \ | |
118 | ((reg) & MAX_PHY_REG_ADDRESS)) | |
119 | #define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */ | |
120 | #define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */ | |
121 | ||
122 | #define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002 | |
123 | #define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300 | |
124 | #define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200 | |
125 | ||
a4f58f54 BA |
126 | #define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */ |
127 | ||
53ac5a88 BA |
128 | #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ |
129 | ||
f523d211 BA |
130 | /* SMBus Address Phy Register */ |
131 | #define HV_SMB_ADDR PHY_REG(768, 26) | |
8395ae83 | 132 | #define HV_SMB_ADDR_MASK 0x007F |
f523d211 BA |
133 | #define HV_SMB_ADDR_PEC_EN 0x0200 |
134 | #define HV_SMB_ADDR_VALID 0x0080 | |
135 | ||
d3738bb8 BA |
136 | /* PHY Power Management Control */ |
137 | #define HV_PM_CTRL PHY_REG(770, 17) | |
138 | ||
e52997f9 BA |
139 | /* PHY Low Power Idle Control */ |
140 | #define I82579_LPI_CTRL PHY_REG(772, 20) | |
141 | #define I82579_LPI_CTRL_ENABLE_MASK 0x6000 | |
142 | ||
f523d211 BA |
143 | /* Strapping Option Register - RO */ |
144 | #define E1000_STRAP 0x0000C | |
145 | #define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 | |
146 | #define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 | |
147 | ||
fa2ce13c BA |
148 | /* OEM Bits Phy Register */ |
149 | #define HV_OEM_BITS PHY_REG(768, 25) | |
150 | #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ | |
f523d211 | 151 | #define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ |
fa2ce13c BA |
152 | #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ |
153 | ||
1d5846b9 BA |
154 | #define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ |
155 | #define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ | |
156 | ||
fddaa1af BA |
157 | /* KMRN Mode Control */ |
158 | #define HV_KMRN_MODE_CTRL PHY_REG(769, 16) | |
159 | #define HV_KMRN_MDIO_SLOW 0x0400 | |
160 | ||
bc7f75fa AK |
161 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ |
162 | /* Offset 04h HSFSTS */ | |
163 | union ich8_hws_flash_status { | |
164 | struct ich8_hsfsts { | |
165 | u16 flcdone :1; /* bit 0 Flash Cycle Done */ | |
166 | u16 flcerr :1; /* bit 1 Flash Cycle Error */ | |
167 | u16 dael :1; /* bit 2 Direct Access error Log */ | |
168 | u16 berasesz :2; /* bit 4:3 Sector Erase Size */ | |
169 | u16 flcinprog :1; /* bit 5 flash cycle in Progress */ | |
170 | u16 reserved1 :2; /* bit 13:6 Reserved */ | |
171 | u16 reserved2 :6; /* bit 13:6 Reserved */ | |
172 | u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */ | |
173 | u16 flockdn :1; /* bit 15 Flash Config Lock-Down */ | |
174 | } hsf_status; | |
175 | u16 regval; | |
176 | }; | |
177 | ||
178 | /* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */ | |
179 | /* Offset 06h FLCTL */ | |
180 | union ich8_hws_flash_ctrl { | |
181 | struct ich8_hsflctl { | |
182 | u16 flcgo :1; /* 0 Flash Cycle Go */ | |
183 | u16 flcycle :2; /* 2:1 Flash Cycle */ | |
184 | u16 reserved :5; /* 7:3 Reserved */ | |
185 | u16 fldbcount :2; /* 9:8 Flash Data Byte Count */ | |
186 | u16 flockdn :6; /* 15:10 Reserved */ | |
187 | } hsf_ctrl; | |
188 | u16 regval; | |
189 | }; | |
190 | ||
191 | /* ICH Flash Region Access Permissions */ | |
192 | union ich8_hws_flash_regacc { | |
193 | struct ich8_flracc { | |
194 | u32 grra :8; /* 0:7 GbE region Read Access */ | |
195 | u32 grwa :8; /* 8:15 GbE region Write Access */ | |
196 | u32 gmrag :8; /* 23:16 GbE Master Read Access Grant */ | |
197 | u32 gmwag :8; /* 31:24 GbE Master Write Access Grant */ | |
198 | } hsf_flregacc; | |
199 | u16 regval; | |
200 | }; | |
201 | ||
4a770358 BA |
202 | /* ICH Flash Protected Region */ |
203 | union ich8_flash_protected_range { | |
204 | struct ich8_pr { | |
205 | u32 base:13; /* 0:12 Protected Range Base */ | |
206 | u32 reserved1:2; /* 13:14 Reserved */ | |
207 | u32 rpe:1; /* 15 Read Protection Enable */ | |
208 | u32 limit:13; /* 16:28 Protected Range Limit */ | |
209 | u32 reserved2:2; /* 29:30 Reserved */ | |
210 | u32 wpe:1; /* 31 Write Protection Enable */ | |
211 | } range; | |
212 | u32 regval; | |
213 | }; | |
214 | ||
bc7f75fa AK |
215 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw); |
216 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw); | |
217 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw); | |
bc7f75fa AK |
218 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank); |
219 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
220 | u32 offset, u8 byte); | |
f4187b56 BA |
221 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, |
222 | u8 *data); | |
bc7f75fa AK |
223 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, |
224 | u16 *data); | |
225 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
226 | u8 size, u16 *data); | |
227 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw); | |
228 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw); | |
f4187b56 | 229 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw); |
a4f58f54 BA |
230 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw); |
231 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw); | |
232 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw); | |
233 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw); | |
234 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); | |
235 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); | |
236 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); | |
237 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); | |
fa2ce13c | 238 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); |
17f208de | 239 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw); |
f523d211 | 240 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); |
1d5846b9 | 241 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); |
fddaa1af | 242 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw); |
eb7700dc BA |
243 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw); |
244 | static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw); | |
831bd2e6 | 245 | static s32 e1000_k1_workaround_lv(struct e1000_hw *hw); |
605c82ba | 246 | static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate); |
bc7f75fa AK |
247 | |
248 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) | |
249 | { | |
250 | return readw(hw->flash_address + reg); | |
251 | } | |
252 | ||
253 | static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg) | |
254 | { | |
255 | return readl(hw->flash_address + reg); | |
256 | } | |
257 | ||
258 | static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val) | |
259 | { | |
260 | writew(val, hw->flash_address + reg); | |
261 | } | |
262 | ||
263 | static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) | |
264 | { | |
265 | writel(val, hw->flash_address + reg); | |
266 | } | |
267 | ||
268 | #define er16flash(reg) __er16flash(hw, (reg)) | |
269 | #define er32flash(reg) __er32flash(hw, (reg)) | |
270 | #define ew16flash(reg,val) __ew16flash(hw, (reg), (val)) | |
271 | #define ew32flash(reg,val) __ew32flash(hw, (reg), (val)) | |
272 | ||
a4f58f54 BA |
273 | /** |
274 | * e1000_init_phy_params_pchlan - Initialize PHY function pointers | |
275 | * @hw: pointer to the HW structure | |
276 | * | |
277 | * Initialize family-specific PHY parameters and function pointers. | |
278 | **/ | |
279 | static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) | |
280 | { | |
281 | struct e1000_phy_info *phy = &hw->phy; | |
605c82ba | 282 | u32 ctrl, fwsm; |
a4f58f54 BA |
283 | s32 ret_val = 0; |
284 | ||
285 | phy->addr = 1; | |
286 | phy->reset_delay_us = 100; | |
287 | ||
94d8186a BA |
288 | phy->ops.read_reg = e1000_read_phy_reg_hv; |
289 | phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked; | |
fa2ce13c BA |
290 | phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan; |
291 | phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan; | |
94d8186a BA |
292 | phy->ops.write_reg = e1000_write_phy_reg_hv; |
293 | phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked; | |
17f208de BA |
294 | phy->ops.power_up = e1000_power_up_phy_copper; |
295 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
a4f58f54 BA |
296 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; |
297 | ||
d3738bb8 BA |
298 | /* |
299 | * The MAC-PHY interconnect may still be in SMBus mode | |
300 | * after Sx->S0. If the manageability engine (ME) is | |
301 | * disabled, then toggle the LANPHYPC Value bit to force | |
302 | * the interconnect to PCIe mode. | |
303 | */ | |
605c82ba BA |
304 | fwsm = er32(FWSM); |
305 | if (!(fwsm & E1000_ICH_FWSM_FW_VALID)) { | |
6dfaa769 BA |
306 | ctrl = er32(CTRL); |
307 | ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE; | |
308 | ctrl &= ~E1000_CTRL_LANPHYPC_VALUE; | |
309 | ew32(CTRL, ctrl); | |
310 | udelay(10); | |
311 | ctrl &= ~E1000_CTRL_LANPHYPC_OVERRIDE; | |
312 | ew32(CTRL, ctrl); | |
313 | msleep(50); | |
605c82ba BA |
314 | |
315 | /* | |
316 | * Gate automatic PHY configuration by hardware on | |
317 | * non-managed 82579 | |
318 | */ | |
319 | if (hw->mac.type == e1000_pch2lan) | |
320 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
6dfaa769 BA |
321 | } |
322 | ||
627c8a04 BA |
323 | /* |
324 | * Reset the PHY before any acccess to it. Doing so, ensures that | |
325 | * the PHY is in a known good state before we read/write PHY registers. | |
326 | * The generic reset is sufficient here, because we haven't determined | |
327 | * the PHY type yet. | |
328 | */ | |
329 | ret_val = e1000e_phy_hw_reset_generic(hw); | |
330 | if (ret_val) | |
331 | goto out; | |
332 | ||
605c82ba BA |
333 | /* Ungate automatic PHY configuration on non-managed 82579 */ |
334 | if ((hw->mac.type == e1000_pch2lan) && | |
335 | !(fwsm & E1000_ICH_FWSM_FW_VALID)) { | |
336 | msleep(10); | |
337 | e1000_gate_hw_phy_config_ich8lan(hw, false); | |
338 | } | |
339 | ||
a4f58f54 | 340 | phy->id = e1000_phy_unknown; |
fddaa1af BA |
341 | ret_val = e1000e_get_phy_id(hw); |
342 | if (ret_val) | |
343 | goto out; | |
344 | if ((phy->id == 0) || (phy->id == PHY_REVISION_MASK)) { | |
345 | /* | |
346 | * In case the PHY needs to be in mdio slow mode (eg. 82577), | |
347 | * set slow mode and try to get the PHY id again. | |
348 | */ | |
349 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
350 | if (ret_val) | |
351 | goto out; | |
352 | ret_val = e1000e_get_phy_id(hw); | |
353 | if (ret_val) | |
354 | goto out; | |
355 | } | |
a4f58f54 BA |
356 | phy->type = e1000e_get_phy_type_from_id(phy->id); |
357 | ||
0be84010 BA |
358 | switch (phy->type) { |
359 | case e1000_phy_82577: | |
d3738bb8 | 360 | case e1000_phy_82579: |
a4f58f54 BA |
361 | phy->ops.check_polarity = e1000_check_polarity_82577; |
362 | phy->ops.force_speed_duplex = | |
363 | e1000_phy_force_speed_duplex_82577; | |
0be84010 | 364 | phy->ops.get_cable_length = e1000_get_cable_length_82577; |
94d8186a BA |
365 | phy->ops.get_info = e1000_get_phy_info_82577; |
366 | phy->ops.commit = e1000e_phy_sw_reset; | |
eab50ffb | 367 | break; |
0be84010 BA |
368 | case e1000_phy_82578: |
369 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
370 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
371 | phy->ops.get_cable_length = e1000e_get_cable_length_m88; | |
372 | phy->ops.get_info = e1000e_get_phy_info_m88; | |
373 | break; | |
374 | default: | |
375 | ret_val = -E1000_ERR_PHY; | |
376 | break; | |
a4f58f54 BA |
377 | } |
378 | ||
fddaa1af | 379 | out: |
a4f58f54 BA |
380 | return ret_val; |
381 | } | |
382 | ||
bc7f75fa AK |
383 | /** |
384 | * e1000_init_phy_params_ich8lan - Initialize PHY function pointers | |
385 | * @hw: pointer to the HW structure | |
386 | * | |
387 | * Initialize family-specific PHY parameters and function pointers. | |
388 | **/ | |
389 | static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) | |
390 | { | |
391 | struct e1000_phy_info *phy = &hw->phy; | |
392 | s32 ret_val; | |
393 | u16 i = 0; | |
394 | ||
395 | phy->addr = 1; | |
396 | phy->reset_delay_us = 100; | |
397 | ||
17f208de BA |
398 | phy->ops.power_up = e1000_power_up_phy_copper; |
399 | phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; | |
400 | ||
97ac8cae BA |
401 | /* |
402 | * We may need to do this twice - once for IGP and if that fails, | |
403 | * we'll set BM func pointers and try again | |
404 | */ | |
405 | ret_val = e1000e_determine_phy_address(hw); | |
406 | if (ret_val) { | |
94d8186a BA |
407 | phy->ops.write_reg = e1000e_write_phy_reg_bm; |
408 | phy->ops.read_reg = e1000e_read_phy_reg_bm; | |
97ac8cae | 409 | ret_val = e1000e_determine_phy_address(hw); |
9b71b419 BA |
410 | if (ret_val) { |
411 | e_dbg("Cannot determine PHY addr. Erroring out\n"); | |
97ac8cae | 412 | return ret_val; |
9b71b419 | 413 | } |
97ac8cae BA |
414 | } |
415 | ||
bc7f75fa AK |
416 | phy->id = 0; |
417 | while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) && | |
418 | (i++ < 100)) { | |
419 | msleep(1); | |
420 | ret_val = e1000e_get_phy_id(hw); | |
421 | if (ret_val) | |
422 | return ret_val; | |
423 | } | |
424 | ||
425 | /* Verify phy id */ | |
426 | switch (phy->id) { | |
427 | case IGP03E1000_E_PHY_ID: | |
428 | phy->type = e1000_phy_igp_3; | |
429 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
430 | phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked; |
431 | phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked; | |
0be84010 BA |
432 | phy->ops.get_info = e1000e_get_phy_info_igp; |
433 | phy->ops.check_polarity = e1000_check_polarity_igp; | |
434 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp; | |
bc7f75fa AK |
435 | break; |
436 | case IFE_E_PHY_ID: | |
437 | case IFE_PLUS_E_PHY_ID: | |
438 | case IFE_C_E_PHY_ID: | |
439 | phy->type = e1000_phy_ife; | |
440 | phy->autoneg_mask = E1000_ALL_NOT_GIG; | |
0be84010 BA |
441 | phy->ops.get_info = e1000_get_phy_info_ife; |
442 | phy->ops.check_polarity = e1000_check_polarity_ife; | |
443 | phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife; | |
bc7f75fa | 444 | break; |
97ac8cae BA |
445 | case BME1000_E_PHY_ID: |
446 | phy->type = e1000_phy_bm; | |
447 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; | |
94d8186a BA |
448 | phy->ops.read_reg = e1000e_read_phy_reg_bm; |
449 | phy->ops.write_reg = e1000e_write_phy_reg_bm; | |
450 | phy->ops.commit = e1000e_phy_sw_reset; | |
0be84010 BA |
451 | phy->ops.get_info = e1000e_get_phy_info_m88; |
452 | phy->ops.check_polarity = e1000_check_polarity_m88; | |
453 | phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88; | |
97ac8cae | 454 | break; |
bc7f75fa AK |
455 | default: |
456 | return -E1000_ERR_PHY; | |
457 | break; | |
458 | } | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | /** | |
464 | * e1000_init_nvm_params_ich8lan - Initialize NVM function pointers | |
465 | * @hw: pointer to the HW structure | |
466 | * | |
467 | * Initialize family-specific NVM parameters and function | |
468 | * pointers. | |
469 | **/ | |
470 | static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) | |
471 | { | |
472 | struct e1000_nvm_info *nvm = &hw->nvm; | |
473 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
148675a7 | 474 | u32 gfpreg, sector_base_addr, sector_end_addr; |
bc7f75fa AK |
475 | u16 i; |
476 | ||
ad68076e | 477 | /* Can't read flash registers if the register set isn't mapped. */ |
bc7f75fa | 478 | if (!hw->flash_address) { |
3bb99fe2 | 479 | e_dbg("ERROR: Flash registers not mapped\n"); |
bc7f75fa AK |
480 | return -E1000_ERR_CONFIG; |
481 | } | |
482 | ||
483 | nvm->type = e1000_nvm_flash_sw; | |
484 | ||
485 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
486 | ||
ad68076e BA |
487 | /* |
488 | * sector_X_addr is a "sector"-aligned address (4096 bytes) | |
bc7f75fa | 489 | * Add 1 to sector_end_addr since this sector is included in |
ad68076e BA |
490 | * the overall size. |
491 | */ | |
bc7f75fa AK |
492 | sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK; |
493 | sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1; | |
494 | ||
495 | /* flash_base_addr is byte-aligned */ | |
496 | nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT; | |
497 | ||
ad68076e BA |
498 | /* |
499 | * find total size of the NVM, then cut in half since the total | |
500 | * size represents two separate NVM banks. | |
501 | */ | |
bc7f75fa AK |
502 | nvm->flash_bank_size = (sector_end_addr - sector_base_addr) |
503 | << FLASH_SECTOR_ADDR_SHIFT; | |
504 | nvm->flash_bank_size /= 2; | |
505 | /* Adjust to word count */ | |
506 | nvm->flash_bank_size /= sizeof(u16); | |
507 | ||
508 | nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS; | |
509 | ||
510 | /* Clear shadow ram */ | |
511 | for (i = 0; i < nvm->word_size; i++) { | |
564ea9bb | 512 | dev_spec->shadow_ram[i].modified = false; |
bc7f75fa AK |
513 | dev_spec->shadow_ram[i].value = 0xFFFF; |
514 | } | |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | /** | |
520 | * e1000_init_mac_params_ich8lan - Initialize MAC function pointers | |
521 | * @hw: pointer to the HW structure | |
522 | * | |
523 | * Initialize family-specific MAC parameters and function | |
524 | * pointers. | |
525 | **/ | |
526 | static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) | |
527 | { | |
528 | struct e1000_hw *hw = &adapter->hw; | |
529 | struct e1000_mac_info *mac = &hw->mac; | |
530 | ||
531 | /* Set media type function pointer */ | |
318a94d6 | 532 | hw->phy.media_type = e1000_media_type_copper; |
bc7f75fa AK |
533 | |
534 | /* Set mta register count */ | |
535 | mac->mta_reg_count = 32; | |
536 | /* Set rar entry count */ | |
537 | mac->rar_entry_count = E1000_ICH_RAR_ENTRIES; | |
538 | if (mac->type == e1000_ich8lan) | |
539 | mac->rar_entry_count--; | |
a65a4a0d BA |
540 | /* FWSM register */ |
541 | mac->has_fwsm = true; | |
542 | /* ARC subsystem not supported */ | |
543 | mac->arc_subsystem_valid = false; | |
f464ba87 BA |
544 | /* Adaptive IFS supported */ |
545 | mac->adaptive_ifs = true; | |
bc7f75fa | 546 | |
a4f58f54 BA |
547 | /* LED operations */ |
548 | switch (mac->type) { | |
549 | case e1000_ich8lan: | |
550 | case e1000_ich9lan: | |
551 | case e1000_ich10lan: | |
eb7700dc BA |
552 | /* check management mode */ |
553 | mac->ops.check_mng_mode = e1000_check_mng_mode_ich8lan; | |
a4f58f54 BA |
554 | /* ID LED init */ |
555 | mac->ops.id_led_init = e1000e_id_led_init; | |
556 | /* setup LED */ | |
557 | mac->ops.setup_led = e1000e_setup_led_generic; | |
558 | /* cleanup LED */ | |
559 | mac->ops.cleanup_led = e1000_cleanup_led_ich8lan; | |
560 | /* turn on/off LED */ | |
561 | mac->ops.led_on = e1000_led_on_ich8lan; | |
562 | mac->ops.led_off = e1000_led_off_ich8lan; | |
563 | break; | |
564 | case e1000_pchlan: | |
d3738bb8 | 565 | case e1000_pch2lan: |
eb7700dc BA |
566 | /* check management mode */ |
567 | mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan; | |
a4f58f54 BA |
568 | /* ID LED init */ |
569 | mac->ops.id_led_init = e1000_id_led_init_pchlan; | |
570 | /* setup LED */ | |
571 | mac->ops.setup_led = e1000_setup_led_pchlan; | |
572 | /* cleanup LED */ | |
573 | mac->ops.cleanup_led = e1000_cleanup_led_pchlan; | |
574 | /* turn on/off LED */ | |
575 | mac->ops.led_on = e1000_led_on_pchlan; | |
576 | mac->ops.led_off = e1000_led_off_pchlan; | |
577 | break; | |
578 | default: | |
579 | break; | |
580 | } | |
581 | ||
bc7f75fa AK |
582 | /* Enable PCS Lock-loss workaround for ICH8 */ |
583 | if (mac->type == e1000_ich8lan) | |
564ea9bb | 584 | e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true); |
bc7f75fa | 585 | |
605c82ba BA |
586 | /* Gate automatic PHY configuration by hardware on managed 82579 */ |
587 | if ((mac->type == e1000_pch2lan) && | |
588 | (er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
589 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
d3738bb8 | 590 | |
bc7f75fa AK |
591 | return 0; |
592 | } | |
593 | ||
e52997f9 BA |
594 | /** |
595 | * e1000_set_eee_pchlan - Enable/disable EEE support | |
596 | * @hw: pointer to the HW structure | |
597 | * | |
598 | * Enable/disable EEE based on setting in dev_spec structure. The bits in | |
599 | * the LPI Control register will remain set only if/when link is up. | |
600 | **/ | |
601 | static s32 e1000_set_eee_pchlan(struct e1000_hw *hw) | |
602 | { | |
603 | s32 ret_val = 0; | |
604 | u16 phy_reg; | |
605 | ||
606 | if (hw->phy.type != e1000_phy_82579) | |
607 | goto out; | |
608 | ||
609 | ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg); | |
610 | if (ret_val) | |
611 | goto out; | |
612 | ||
613 | if (hw->dev_spec.ich8lan.eee_disable) | |
614 | phy_reg &= ~I82579_LPI_CTRL_ENABLE_MASK; | |
615 | else | |
616 | phy_reg |= I82579_LPI_CTRL_ENABLE_MASK; | |
617 | ||
618 | ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg); | |
619 | out: | |
620 | return ret_val; | |
621 | } | |
622 | ||
7d3cabbc BA |
623 | /** |
624 | * e1000_check_for_copper_link_ich8lan - Check for link (Copper) | |
625 | * @hw: pointer to the HW structure | |
626 | * | |
627 | * Checks to see of the link status of the hardware has changed. If a | |
628 | * change in link status has been detected, then we read the PHY registers | |
629 | * to get the current speed/duplex if link exists. | |
630 | **/ | |
631 | static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |
632 | { | |
633 | struct e1000_mac_info *mac = &hw->mac; | |
634 | s32 ret_val; | |
635 | bool link; | |
636 | ||
637 | /* | |
638 | * We only want to go out to the PHY registers to see if Auto-Neg | |
639 | * has completed and/or if our link status has changed. The | |
640 | * get_link_status flag is set upon receiving a Link Status | |
641 | * Change or Rx Sequence Error interrupt. | |
642 | */ | |
643 | if (!mac->get_link_status) { | |
644 | ret_val = 0; | |
645 | goto out; | |
646 | } | |
647 | ||
7d3cabbc BA |
648 | /* |
649 | * First we want to see if the MII Status Register reports | |
650 | * link. If so, then we want to get the current speed/duplex | |
651 | * of the PHY. | |
652 | */ | |
653 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | |
654 | if (ret_val) | |
655 | goto out; | |
656 | ||
1d5846b9 BA |
657 | if (hw->mac.type == e1000_pchlan) { |
658 | ret_val = e1000_k1_gig_workaround_hv(hw, link); | |
659 | if (ret_val) | |
660 | goto out; | |
661 | } | |
662 | ||
7d3cabbc BA |
663 | if (!link) |
664 | goto out; /* No link detected */ | |
665 | ||
666 | mac->get_link_status = false; | |
667 | ||
668 | if (hw->phy.type == e1000_phy_82578) { | |
669 | ret_val = e1000_link_stall_workaround_hv(hw); | |
670 | if (ret_val) | |
671 | goto out; | |
672 | } | |
673 | ||
831bd2e6 BA |
674 | if (hw->mac.type == e1000_pch2lan) { |
675 | ret_val = e1000_k1_workaround_lv(hw); | |
676 | if (ret_val) | |
677 | goto out; | |
678 | } | |
679 | ||
7d3cabbc BA |
680 | /* |
681 | * Check if there was DownShift, must be checked | |
682 | * immediately after link-up | |
683 | */ | |
684 | e1000e_check_downshift(hw); | |
685 | ||
e52997f9 BA |
686 | /* Enable/Disable EEE after link up */ |
687 | ret_val = e1000_set_eee_pchlan(hw); | |
688 | if (ret_val) | |
689 | goto out; | |
690 | ||
7d3cabbc BA |
691 | /* |
692 | * If we are forcing speed/duplex, then we simply return since | |
693 | * we have already determined whether we have link or not. | |
694 | */ | |
695 | if (!mac->autoneg) { | |
696 | ret_val = -E1000_ERR_CONFIG; | |
697 | goto out; | |
698 | } | |
699 | ||
700 | /* | |
701 | * Auto-Neg is enabled. Auto Speed Detection takes care | |
702 | * of MAC speed/duplex configuration. So we only need to | |
703 | * configure Collision Distance in the MAC. | |
704 | */ | |
705 | e1000e_config_collision_dist(hw); | |
706 | ||
707 | /* | |
708 | * Configure Flow Control now that Auto-Neg has completed. | |
709 | * First, we need to restore the desired flow control | |
710 | * settings because we may have had to re-autoneg with a | |
711 | * different link partner. | |
712 | */ | |
713 | ret_val = e1000e_config_fc_after_link_up(hw); | |
714 | if (ret_val) | |
3bb99fe2 | 715 | e_dbg("Error configuring flow control\n"); |
7d3cabbc BA |
716 | |
717 | out: | |
718 | return ret_val; | |
719 | } | |
720 | ||
69e3fd8c | 721 | static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) |
bc7f75fa AK |
722 | { |
723 | struct e1000_hw *hw = &adapter->hw; | |
724 | s32 rc; | |
725 | ||
726 | rc = e1000_init_mac_params_ich8lan(adapter); | |
727 | if (rc) | |
728 | return rc; | |
729 | ||
730 | rc = e1000_init_nvm_params_ich8lan(hw); | |
731 | if (rc) | |
732 | return rc; | |
733 | ||
d3738bb8 BA |
734 | switch (hw->mac.type) { |
735 | case e1000_ich8lan: | |
736 | case e1000_ich9lan: | |
737 | case e1000_ich10lan: | |
a4f58f54 | 738 | rc = e1000_init_phy_params_ich8lan(hw); |
d3738bb8 BA |
739 | break; |
740 | case e1000_pchlan: | |
741 | case e1000_pch2lan: | |
742 | rc = e1000_init_phy_params_pchlan(hw); | |
743 | break; | |
744 | default: | |
745 | break; | |
746 | } | |
bc7f75fa AK |
747 | if (rc) |
748 | return rc; | |
749 | ||
2adc55c9 BA |
750 | if (adapter->hw.phy.type == e1000_phy_ife) { |
751 | adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES; | |
752 | adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN; | |
753 | } | |
754 | ||
bc7f75fa AK |
755 | if ((adapter->hw.mac.type == e1000_ich8lan) && |
756 | (adapter->hw.phy.type == e1000_phy_igp_3)) | |
757 | adapter->flags |= FLAG_LSC_GIG_SPEED_DROP; | |
758 | ||
5a86f28f BA |
759 | /* Disable EEE by default until IEEE802.3az spec is finalized */ |
760 | if (adapter->flags2 & FLAG2_HAS_EEE) | |
761 | adapter->hw.dev_spec.ich8lan.eee_disable = true; | |
762 | ||
bc7f75fa AK |
763 | return 0; |
764 | } | |
765 | ||
717d438d | 766 | static DEFINE_MUTEX(nvm_mutex); |
717d438d | 767 | |
ca15df58 BA |
768 | /** |
769 | * e1000_acquire_nvm_ich8lan - Acquire NVM mutex | |
770 | * @hw: pointer to the HW structure | |
771 | * | |
772 | * Acquires the mutex for performing NVM operations. | |
773 | **/ | |
774 | static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw) | |
775 | { | |
776 | mutex_lock(&nvm_mutex); | |
777 | ||
778 | return 0; | |
779 | } | |
780 | ||
781 | /** | |
782 | * e1000_release_nvm_ich8lan - Release NVM mutex | |
783 | * @hw: pointer to the HW structure | |
784 | * | |
785 | * Releases the mutex used while performing NVM operations. | |
786 | **/ | |
787 | static void e1000_release_nvm_ich8lan(struct e1000_hw *hw) | |
788 | { | |
789 | mutex_unlock(&nvm_mutex); | |
ca15df58 BA |
790 | } |
791 | ||
792 | static DEFINE_MUTEX(swflag_mutex); | |
793 | ||
bc7f75fa AK |
794 | /** |
795 | * e1000_acquire_swflag_ich8lan - Acquire software control flag | |
796 | * @hw: pointer to the HW structure | |
797 | * | |
ca15df58 BA |
798 | * Acquires the software control flag for performing PHY and select |
799 | * MAC CSR accesses. | |
bc7f75fa AK |
800 | **/ |
801 | static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) | |
802 | { | |
373a88d7 BA |
803 | u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT; |
804 | s32 ret_val = 0; | |
bc7f75fa | 805 | |
ca15df58 | 806 | mutex_lock(&swflag_mutex); |
717d438d | 807 | |
bc7f75fa AK |
808 | while (timeout) { |
809 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
373a88d7 BA |
810 | if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) |
811 | break; | |
bc7f75fa | 812 | |
373a88d7 BA |
813 | mdelay(1); |
814 | timeout--; | |
815 | } | |
816 | ||
817 | if (!timeout) { | |
3bb99fe2 | 818 | e_dbg("SW/FW/HW has locked the resource for too long.\n"); |
373a88d7 BA |
819 | ret_val = -E1000_ERR_CONFIG; |
820 | goto out; | |
821 | } | |
822 | ||
53ac5a88 | 823 | timeout = SW_FLAG_TIMEOUT; |
373a88d7 BA |
824 | |
825 | extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; | |
826 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
827 | ||
828 | while (timeout) { | |
829 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
830 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) | |
831 | break; | |
a4f58f54 | 832 | |
bc7f75fa AK |
833 | mdelay(1); |
834 | timeout--; | |
835 | } | |
836 | ||
837 | if (!timeout) { | |
3bb99fe2 | 838 | e_dbg("Failed to acquire the semaphore.\n"); |
2e2e8d53 BA |
839 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; |
840 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
373a88d7 BA |
841 | ret_val = -E1000_ERR_CONFIG; |
842 | goto out; | |
bc7f75fa AK |
843 | } |
844 | ||
373a88d7 BA |
845 | out: |
846 | if (ret_val) | |
ca15df58 | 847 | mutex_unlock(&swflag_mutex); |
373a88d7 BA |
848 | |
849 | return ret_val; | |
bc7f75fa AK |
850 | } |
851 | ||
852 | /** | |
853 | * e1000_release_swflag_ich8lan - Release software control flag | |
854 | * @hw: pointer to the HW structure | |
855 | * | |
ca15df58 BA |
856 | * Releases the software control flag for performing PHY and select |
857 | * MAC CSR accesses. | |
bc7f75fa AK |
858 | **/ |
859 | static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) | |
860 | { | |
861 | u32 extcnf_ctrl; | |
862 | ||
863 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
864 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; | |
865 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
717d438d | 866 | |
ca15df58 | 867 | mutex_unlock(&swflag_mutex); |
bc7f75fa AK |
868 | } |
869 | ||
4662e82b BA |
870 | /** |
871 | * e1000_check_mng_mode_ich8lan - Checks management mode | |
872 | * @hw: pointer to the HW structure | |
873 | * | |
eb7700dc | 874 | * This checks if the adapter has any manageability enabled. |
4662e82b BA |
875 | * This is a function pointer entry point only called by read/write |
876 | * routines for the PHY and NVM parts. | |
877 | **/ | |
878 | static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw) | |
879 | { | |
a708dd88 BA |
880 | u32 fwsm; |
881 | ||
882 | fwsm = er32(FWSM); | |
eb7700dc BA |
883 | return (fwsm & E1000_ICH_FWSM_FW_VALID) && |
884 | ((fwsm & E1000_FWSM_MODE_MASK) == | |
885 | (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT)); | |
886 | } | |
4662e82b | 887 | |
eb7700dc BA |
888 | /** |
889 | * e1000_check_mng_mode_pchlan - Checks management mode | |
890 | * @hw: pointer to the HW structure | |
891 | * | |
892 | * This checks if the adapter has iAMT enabled. | |
893 | * This is a function pointer entry point only called by read/write | |
894 | * routines for the PHY and NVM parts. | |
895 | **/ | |
896 | static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw) | |
897 | { | |
898 | u32 fwsm; | |
899 | ||
900 | fwsm = er32(FWSM); | |
901 | return (fwsm & E1000_ICH_FWSM_FW_VALID) && | |
902 | (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT)); | |
4662e82b BA |
903 | } |
904 | ||
bc7f75fa AK |
905 | /** |
906 | * e1000_check_reset_block_ich8lan - Check if PHY reset is blocked | |
907 | * @hw: pointer to the HW structure | |
908 | * | |
909 | * Checks if firmware is blocking the reset of the PHY. | |
910 | * This is a function pointer entry point only called by | |
911 | * reset routines. | |
912 | **/ | |
913 | static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw) | |
914 | { | |
915 | u32 fwsm; | |
916 | ||
917 | fwsm = er32(FWSM); | |
918 | ||
919 | return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET; | |
920 | } | |
921 | ||
8395ae83 BA |
922 | /** |
923 | * e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states | |
924 | * @hw: pointer to the HW structure | |
925 | * | |
926 | * Assumes semaphore already acquired. | |
927 | * | |
928 | **/ | |
929 | static s32 e1000_write_smbus_addr(struct e1000_hw *hw) | |
930 | { | |
931 | u16 phy_data; | |
932 | u32 strap = er32(STRAP); | |
933 | s32 ret_val = 0; | |
934 | ||
935 | strap &= E1000_STRAP_SMBUS_ADDRESS_MASK; | |
936 | ||
937 | ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data); | |
938 | if (ret_val) | |
939 | goto out; | |
940 | ||
941 | phy_data &= ~HV_SMB_ADDR_MASK; | |
942 | phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT); | |
943 | phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; | |
944 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data); | |
945 | ||
946 | out: | |
947 | return ret_val; | |
948 | } | |
949 | ||
f523d211 BA |
950 | /** |
951 | * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration | |
952 | * @hw: pointer to the HW structure | |
953 | * | |
954 | * SW should configure the LCD from the NVM extended configuration region | |
955 | * as a workaround for certain parts. | |
956 | **/ | |
957 | static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) | |
958 | { | |
959 | struct e1000_phy_info *phy = &hw->phy; | |
960 | u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; | |
8b802a7e | 961 | s32 ret_val = 0; |
f523d211 BA |
962 | u16 word_addr, reg_data, reg_addr, phy_page = 0; |
963 | ||
f523d211 BA |
964 | /* |
965 | * Initialize the PHY from the NVM on ICH platforms. This | |
966 | * is needed due to an issue where the NVM configuration is | |
967 | * not properly autoloaded after power transitions. | |
968 | * Therefore, after each PHY reset, we will load the | |
969 | * configuration data out of the NVM manually. | |
970 | */ | |
3f0c16e8 BA |
971 | switch (hw->mac.type) { |
972 | case e1000_ich8lan: | |
973 | if (phy->type != e1000_phy_igp_3) | |
974 | return ret_val; | |
975 | ||
5f3eed6f BA |
976 | if ((hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) || |
977 | (hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_C)) { | |
3f0c16e8 BA |
978 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; |
979 | break; | |
980 | } | |
981 | /* Fall-thru */ | |
982 | case e1000_pchlan: | |
d3738bb8 | 983 | case e1000_pch2lan: |
8b802a7e | 984 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; |
3f0c16e8 BA |
985 | break; |
986 | default: | |
987 | return ret_val; | |
988 | } | |
989 | ||
990 | ret_val = hw->phy.ops.acquire(hw); | |
991 | if (ret_val) | |
992 | return ret_val; | |
8b802a7e BA |
993 | |
994 | data = er32(FEXTNVM); | |
995 | if (!(data & sw_cfg_mask)) | |
996 | goto out; | |
f523d211 | 997 | |
8b802a7e BA |
998 | /* |
999 | * Make sure HW does not configure LCD from PHY | |
1000 | * extended configuration before SW configuration | |
1001 | */ | |
1002 | data = er32(EXTCNF_CTRL); | |
d3738bb8 BA |
1003 | if (!(hw->mac.type == e1000_pch2lan)) { |
1004 | if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) | |
1005 | goto out; | |
1006 | } | |
8b802a7e BA |
1007 | |
1008 | cnf_size = er32(EXTCNF_SIZE); | |
1009 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | |
1010 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | |
1011 | if (!cnf_size) | |
1012 | goto out; | |
1013 | ||
1014 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | |
1015 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | |
1016 | ||
87fb7410 BA |
1017 | if ((!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && |
1018 | (hw->mac.type == e1000_pchlan)) || | |
1019 | (hw->mac.type == e1000_pch2lan)) { | |
f523d211 | 1020 | /* |
8b802a7e BA |
1021 | * HW configures the SMBus address and LEDs when the |
1022 | * OEM and LCD Write Enable bits are set in the NVM. | |
1023 | * When both NVM bits are cleared, SW will configure | |
1024 | * them instead. | |
f523d211 | 1025 | */ |
8395ae83 | 1026 | ret_val = e1000_write_smbus_addr(hw); |
8b802a7e | 1027 | if (ret_val) |
f523d211 BA |
1028 | goto out; |
1029 | ||
8b802a7e BA |
1030 | data = er32(LEDCTL); |
1031 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG, | |
1032 | (u16)data); | |
1033 | if (ret_val) | |
f523d211 | 1034 | goto out; |
8b802a7e | 1035 | } |
f523d211 | 1036 | |
8b802a7e BA |
1037 | /* Configure LCD from extended configuration region. */ |
1038 | ||
1039 | /* cnf_base_addr is in DWORD */ | |
1040 | word_addr = (u16)(cnf_base_addr << 1); | |
1041 | ||
1042 | for (i = 0; i < cnf_size; i++) { | |
1043 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, | |
1044 | ®_data); | |
1045 | if (ret_val) | |
1046 | goto out; | |
1047 | ||
1048 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), | |
1049 | 1, ®_addr); | |
1050 | if (ret_val) | |
1051 | goto out; | |
1052 | ||
1053 | /* Save off the PHY page for future writes. */ | |
1054 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | |
1055 | phy_page = reg_data; | |
1056 | continue; | |
f523d211 | 1057 | } |
8b802a7e BA |
1058 | |
1059 | reg_addr &= PHY_REG_MASK; | |
1060 | reg_addr |= phy_page; | |
1061 | ||
1062 | ret_val = phy->ops.write_reg_locked(hw, (u32)reg_addr, | |
1063 | reg_data); | |
1064 | if (ret_val) | |
1065 | goto out; | |
f523d211 BA |
1066 | } |
1067 | ||
1068 | out: | |
94d8186a | 1069 | hw->phy.ops.release(hw); |
f523d211 BA |
1070 | return ret_val; |
1071 | } | |
1072 | ||
1d5846b9 BA |
1073 | /** |
1074 | * e1000_k1_gig_workaround_hv - K1 Si workaround | |
1075 | * @hw: pointer to the HW structure | |
1076 | * @link: link up bool flag | |
1077 | * | |
1078 | * If K1 is enabled for 1Gbps, the MAC might stall when transitioning | |
1079 | * from a lower speed. This workaround disables K1 whenever link is at 1Gig | |
1080 | * If link is down, the function will restore the default K1 setting located | |
1081 | * in the NVM. | |
1082 | **/ | |
1083 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) | |
1084 | { | |
1085 | s32 ret_val = 0; | |
1086 | u16 status_reg = 0; | |
1087 | bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; | |
1088 | ||
1089 | if (hw->mac.type != e1000_pchlan) | |
1090 | goto out; | |
1091 | ||
1092 | /* Wrap the whole flow with the sw flag */ | |
94d8186a | 1093 | ret_val = hw->phy.ops.acquire(hw); |
1d5846b9 BA |
1094 | if (ret_val) |
1095 | goto out; | |
1096 | ||
1097 | /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ | |
1098 | if (link) { | |
1099 | if (hw->phy.type == e1000_phy_82578) { | |
94d8186a | 1100 | ret_val = hw->phy.ops.read_reg_locked(hw, BM_CS_STATUS, |
1d5846b9 BA |
1101 | &status_reg); |
1102 | if (ret_val) | |
1103 | goto release; | |
1104 | ||
1105 | status_reg &= BM_CS_STATUS_LINK_UP | | |
1106 | BM_CS_STATUS_RESOLVED | | |
1107 | BM_CS_STATUS_SPEED_MASK; | |
1108 | ||
1109 | if (status_reg == (BM_CS_STATUS_LINK_UP | | |
1110 | BM_CS_STATUS_RESOLVED | | |
1111 | BM_CS_STATUS_SPEED_1000)) | |
1112 | k1_enable = false; | |
1113 | } | |
1114 | ||
1115 | if (hw->phy.type == e1000_phy_82577) { | |
94d8186a | 1116 | ret_val = hw->phy.ops.read_reg_locked(hw, HV_M_STATUS, |
1d5846b9 BA |
1117 | &status_reg); |
1118 | if (ret_val) | |
1119 | goto release; | |
1120 | ||
1121 | status_reg &= HV_M_STATUS_LINK_UP | | |
1122 | HV_M_STATUS_AUTONEG_COMPLETE | | |
1123 | HV_M_STATUS_SPEED_MASK; | |
1124 | ||
1125 | if (status_reg == (HV_M_STATUS_LINK_UP | | |
1126 | HV_M_STATUS_AUTONEG_COMPLETE | | |
1127 | HV_M_STATUS_SPEED_1000)) | |
1128 | k1_enable = false; | |
1129 | } | |
1130 | ||
1131 | /* Link stall fix for link up */ | |
94d8186a | 1132 | ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19), |
1d5846b9 BA |
1133 | 0x0100); |
1134 | if (ret_val) | |
1135 | goto release; | |
1136 | ||
1137 | } else { | |
1138 | /* Link stall fix for link down */ | |
94d8186a | 1139 | ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19), |
1d5846b9 BA |
1140 | 0x4100); |
1141 | if (ret_val) | |
1142 | goto release; | |
1143 | } | |
1144 | ||
1145 | ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); | |
1146 | ||
1147 | release: | |
94d8186a | 1148 | hw->phy.ops.release(hw); |
1d5846b9 BA |
1149 | out: |
1150 | return ret_val; | |
1151 | } | |
1152 | ||
1153 | /** | |
1154 | * e1000_configure_k1_ich8lan - Configure K1 power state | |
1155 | * @hw: pointer to the HW structure | |
1156 | * @enable: K1 state to configure | |
1157 | * | |
1158 | * Configure the K1 power state based on the provided parameter. | |
1159 | * Assumes semaphore already acquired. | |
1160 | * | |
1161 | * Success returns 0, Failure returns -E1000_ERR_PHY (-2) | |
1162 | **/ | |
bb436b20 | 1163 | s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) |
1d5846b9 BA |
1164 | { |
1165 | s32 ret_val = 0; | |
1166 | u32 ctrl_reg = 0; | |
1167 | u32 ctrl_ext = 0; | |
1168 | u32 reg = 0; | |
1169 | u16 kmrn_reg = 0; | |
1170 | ||
1171 | ret_val = e1000e_read_kmrn_reg_locked(hw, | |
1172 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1173 | &kmrn_reg); | |
1174 | if (ret_val) | |
1175 | goto out; | |
1176 | ||
1177 | if (k1_enable) | |
1178 | kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; | |
1179 | else | |
1180 | kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; | |
1181 | ||
1182 | ret_val = e1000e_write_kmrn_reg_locked(hw, | |
1183 | E1000_KMRNCTRLSTA_K1_CONFIG, | |
1184 | kmrn_reg); | |
1185 | if (ret_val) | |
1186 | goto out; | |
1187 | ||
1188 | udelay(20); | |
1189 | ctrl_ext = er32(CTRL_EXT); | |
1190 | ctrl_reg = er32(CTRL); | |
1191 | ||
1192 | reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | |
1193 | reg |= E1000_CTRL_FRCSPD; | |
1194 | ew32(CTRL, reg); | |
1195 | ||
1196 | ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); | |
1197 | udelay(20); | |
1198 | ew32(CTRL, ctrl_reg); | |
1199 | ew32(CTRL_EXT, ctrl_ext); | |
1200 | udelay(20); | |
1201 | ||
1202 | out: | |
1203 | return ret_val; | |
1204 | } | |
1205 | ||
f523d211 BA |
1206 | /** |
1207 | * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration | |
1208 | * @hw: pointer to the HW structure | |
1209 | * @d0_state: boolean if entering d0 or d3 device state | |
1210 | * | |
1211 | * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are | |
1212 | * collectively called OEM bits. The OEM Write Enable bit and SW Config bit | |
1213 | * in NVM determines whether HW should configure LPLU and Gbe Disable. | |
1214 | **/ | |
1215 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) | |
1216 | { | |
1217 | s32 ret_val = 0; | |
1218 | u32 mac_reg; | |
1219 | u16 oem_reg; | |
1220 | ||
d3738bb8 | 1221 | if ((hw->mac.type != e1000_pch2lan) && (hw->mac.type != e1000_pchlan)) |
f523d211 BA |
1222 | return ret_val; |
1223 | ||
94d8186a | 1224 | ret_val = hw->phy.ops.acquire(hw); |
f523d211 BA |
1225 | if (ret_val) |
1226 | return ret_val; | |
1227 | ||
d3738bb8 BA |
1228 | if (!(hw->mac.type == e1000_pch2lan)) { |
1229 | mac_reg = er32(EXTCNF_CTRL); | |
1230 | if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) | |
1231 | goto out; | |
1232 | } | |
f523d211 BA |
1233 | |
1234 | mac_reg = er32(FEXTNVM); | |
1235 | if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) | |
1236 | goto out; | |
1237 | ||
1238 | mac_reg = er32(PHY_CTRL); | |
1239 | ||
94d8186a | 1240 | ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg); |
f523d211 BA |
1241 | if (ret_val) |
1242 | goto out; | |
1243 | ||
1244 | oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); | |
1245 | ||
1246 | if (d0_state) { | |
1247 | if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) | |
1248 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1249 | ||
1250 | if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) | |
1251 | oem_reg |= HV_OEM_BITS_LPLU; | |
1252 | } else { | |
1253 | if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) | |
1254 | oem_reg |= HV_OEM_BITS_GBE_DIS; | |
1255 | ||
1256 | if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) | |
1257 | oem_reg |= HV_OEM_BITS_LPLU; | |
1258 | } | |
1259 | /* Restart auto-neg to activate the bits */ | |
818f3331 BA |
1260 | if (!e1000_check_reset_block(hw)) |
1261 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
94d8186a | 1262 | ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg); |
f523d211 BA |
1263 | |
1264 | out: | |
94d8186a | 1265 | hw->phy.ops.release(hw); |
f523d211 BA |
1266 | |
1267 | return ret_val; | |
1268 | } | |
1269 | ||
1270 | ||
fddaa1af BA |
1271 | /** |
1272 | * e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode | |
1273 | * @hw: pointer to the HW structure | |
1274 | **/ | |
1275 | static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw) | |
1276 | { | |
1277 | s32 ret_val; | |
1278 | u16 data; | |
1279 | ||
1280 | ret_val = e1e_rphy(hw, HV_KMRN_MODE_CTRL, &data); | |
1281 | if (ret_val) | |
1282 | return ret_val; | |
1283 | ||
1284 | data |= HV_KMRN_MDIO_SLOW; | |
1285 | ||
1286 | ret_val = e1e_wphy(hw, HV_KMRN_MODE_CTRL, data); | |
1287 | ||
1288 | return ret_val; | |
1289 | } | |
1290 | ||
a4f58f54 BA |
1291 | /** |
1292 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
1293 | * done after every PHY reset. | |
1294 | **/ | |
1295 | static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
1296 | { | |
1297 | s32 ret_val = 0; | |
baf86c9d | 1298 | u16 phy_data; |
a4f58f54 BA |
1299 | |
1300 | if (hw->mac.type != e1000_pchlan) | |
1301 | return ret_val; | |
1302 | ||
fddaa1af BA |
1303 | /* Set MDIO slow mode before any other MDIO access */ |
1304 | if (hw->phy.type == e1000_phy_82577) { | |
1305 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
1306 | if (ret_val) | |
1307 | goto out; | |
1308 | } | |
1309 | ||
a4f58f54 BA |
1310 | if (((hw->phy.type == e1000_phy_82577) && |
1311 | ((hw->phy.revision == 1) || (hw->phy.revision == 2))) || | |
1312 | ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) { | |
1313 | /* Disable generation of early preamble */ | |
1314 | ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431); | |
1315 | if (ret_val) | |
1316 | return ret_val; | |
1317 | ||
1318 | /* Preamble tuning for SSC */ | |
1319 | ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204); | |
1320 | if (ret_val) | |
1321 | return ret_val; | |
1322 | } | |
1323 | ||
1324 | if (hw->phy.type == e1000_phy_82578) { | |
1325 | /* | |
1326 | * Return registers to default by doing a soft reset then | |
1327 | * writing 0x3140 to the control register. | |
1328 | */ | |
1329 | if (hw->phy.revision < 2) { | |
1330 | e1000e_phy_sw_reset(hw); | |
1331 | ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140); | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | /* Select page 0 */ | |
94d8186a | 1336 | ret_val = hw->phy.ops.acquire(hw); |
a4f58f54 BA |
1337 | if (ret_val) |
1338 | return ret_val; | |
1d5846b9 | 1339 | |
a4f58f54 | 1340 | hw->phy.addr = 1; |
1d5846b9 | 1341 | ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); |
baf86c9d | 1342 | hw->phy.ops.release(hw); |
1d5846b9 BA |
1343 | if (ret_val) |
1344 | goto out; | |
a4f58f54 | 1345 | |
1d5846b9 BA |
1346 | /* |
1347 | * Configure the K1 Si workaround during phy reset assuming there is | |
1348 | * link so that it disables K1 if link is in 1Gbps. | |
1349 | */ | |
1350 | ret_val = e1000_k1_gig_workaround_hv(hw, true); | |
baf86c9d BA |
1351 | if (ret_val) |
1352 | goto out; | |
1d5846b9 | 1353 | |
baf86c9d BA |
1354 | /* Workaround for link disconnects on a busy hub in half duplex */ |
1355 | ret_val = hw->phy.ops.acquire(hw); | |
1356 | if (ret_val) | |
1357 | goto out; | |
1358 | ret_val = hw->phy.ops.read_reg_locked(hw, | |
1359 | PHY_REG(BM_PORT_CTRL_PAGE, 17), | |
1360 | &phy_data); | |
1361 | if (ret_val) | |
1362 | goto release; | |
1363 | ret_val = hw->phy.ops.write_reg_locked(hw, | |
1364 | PHY_REG(BM_PORT_CTRL_PAGE, 17), | |
1365 | phy_data & 0x00FF); | |
1366 | release: | |
1367 | hw->phy.ops.release(hw); | |
1d5846b9 | 1368 | out: |
a4f58f54 BA |
1369 | return ret_val; |
1370 | } | |
1371 | ||
d3738bb8 BA |
1372 | /** |
1373 | * e1000_copy_rx_addrs_to_phy_ich8lan - Copy Rx addresses from MAC to PHY | |
1374 | * @hw: pointer to the HW structure | |
1375 | **/ | |
1376 | void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw) | |
1377 | { | |
1378 | u32 mac_reg; | |
1379 | u16 i; | |
1380 | ||
1381 | /* Copy both RAL/H (rar_entry_count) and SHRAL/H (+4) to PHY */ | |
1382 | for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) { | |
1383 | mac_reg = er32(RAL(i)); | |
1384 | e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF)); | |
1385 | e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF)); | |
1386 | mac_reg = er32(RAH(i)); | |
1387 | e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF)); | |
1388 | e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0x8000)); | |
1389 | } | |
1390 | } | |
1391 | ||
1392 | static u32 e1000_calc_rx_da_crc(u8 mac[]) | |
1393 | { | |
1394 | u32 poly = 0xEDB88320; /* Polynomial for 802.3 CRC calculation */ | |
1395 | u32 i, j, mask, crc; | |
1396 | ||
1397 | crc = 0xffffffff; | |
1398 | for (i = 0; i < 6; i++) { | |
1399 | crc = crc ^ mac[i]; | |
1400 | for (j = 8; j > 0; j--) { | |
1401 | mask = (crc & 1) * (-1); | |
1402 | crc = (crc >> 1) ^ (poly & mask); | |
1403 | } | |
1404 | } | |
1405 | return ~crc; | |
1406 | } | |
1407 | ||
1408 | /** | |
1409 | * e1000_lv_jumbo_workaround_ich8lan - required for jumbo frame operation | |
1410 | * with 82579 PHY | |
1411 | * @hw: pointer to the HW structure | |
1412 | * @enable: flag to enable/disable workaround when enabling/disabling jumbos | |
1413 | **/ | |
1414 | s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) | |
1415 | { | |
1416 | s32 ret_val = 0; | |
1417 | u16 phy_reg, data; | |
1418 | u32 mac_reg; | |
1419 | u16 i; | |
1420 | ||
1421 | if (hw->mac.type != e1000_pch2lan) | |
1422 | goto out; | |
1423 | ||
1424 | /* disable Rx path while enabling/disabling workaround */ | |
1425 | e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); | |
1426 | ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14)); | |
1427 | if (ret_val) | |
1428 | goto out; | |
1429 | ||
1430 | if (enable) { | |
1431 | /* | |
1432 | * Write Rx addresses (rar_entry_count for RAL/H, +4 for | |
1433 | * SHRAL/H) and initial CRC values to the MAC | |
1434 | */ | |
1435 | for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) { | |
1436 | u8 mac_addr[ETH_ALEN] = {0}; | |
1437 | u32 addr_high, addr_low; | |
1438 | ||
1439 | addr_high = er32(RAH(i)); | |
1440 | if (!(addr_high & E1000_RAH_AV)) | |
1441 | continue; | |
1442 | addr_low = er32(RAL(i)); | |
1443 | mac_addr[0] = (addr_low & 0xFF); | |
1444 | mac_addr[1] = ((addr_low >> 8) & 0xFF); | |
1445 | mac_addr[2] = ((addr_low >> 16) & 0xFF); | |
1446 | mac_addr[3] = ((addr_low >> 24) & 0xFF); | |
1447 | mac_addr[4] = (addr_high & 0xFF); | |
1448 | mac_addr[5] = ((addr_high >> 8) & 0xFF); | |
1449 | ||
1450 | ew32(PCH_RAICC(i), | |
1451 | e1000_calc_rx_da_crc(mac_addr)); | |
1452 | } | |
1453 | ||
1454 | /* Write Rx addresses to the PHY */ | |
1455 | e1000_copy_rx_addrs_to_phy_ich8lan(hw); | |
1456 | ||
1457 | /* Enable jumbo frame workaround in the MAC */ | |
1458 | mac_reg = er32(FFLT_DBG); | |
1459 | mac_reg &= ~(1 << 14); | |
1460 | mac_reg |= (7 << 15); | |
1461 | ew32(FFLT_DBG, mac_reg); | |
1462 | ||
1463 | mac_reg = er32(RCTL); | |
1464 | mac_reg |= E1000_RCTL_SECRC; | |
1465 | ew32(RCTL, mac_reg); | |
1466 | ||
1467 | ret_val = e1000e_read_kmrn_reg(hw, | |
1468 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
1469 | &data); | |
1470 | if (ret_val) | |
1471 | goto out; | |
1472 | ret_val = e1000e_write_kmrn_reg(hw, | |
1473 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
1474 | data | (1 << 0)); | |
1475 | if (ret_val) | |
1476 | goto out; | |
1477 | ret_val = e1000e_read_kmrn_reg(hw, | |
1478 | E1000_KMRNCTRLSTA_HD_CTRL, | |
1479 | &data); | |
1480 | if (ret_val) | |
1481 | goto out; | |
1482 | data &= ~(0xF << 8); | |
1483 | data |= (0xB << 8); | |
1484 | ret_val = e1000e_write_kmrn_reg(hw, | |
1485 | E1000_KMRNCTRLSTA_HD_CTRL, | |
1486 | data); | |
1487 | if (ret_val) | |
1488 | goto out; | |
1489 | ||
1490 | /* Enable jumbo frame workaround in the PHY */ | |
d3738bb8 BA |
1491 | e1e_rphy(hw, PHY_REG(769, 23), &data); |
1492 | data &= ~(0x7F << 5); | |
1493 | data |= (0x37 << 5); | |
1494 | ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); | |
1495 | if (ret_val) | |
1496 | goto out; | |
1497 | e1e_rphy(hw, PHY_REG(769, 16), &data); | |
1498 | data &= ~(1 << 13); | |
d3738bb8 BA |
1499 | ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); |
1500 | if (ret_val) | |
1501 | goto out; | |
1502 | e1e_rphy(hw, PHY_REG(776, 20), &data); | |
1503 | data &= ~(0x3FF << 2); | |
1504 | data |= (0x1A << 2); | |
1505 | ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); | |
1506 | if (ret_val) | |
1507 | goto out; | |
1508 | ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xFE00); | |
1509 | if (ret_val) | |
1510 | goto out; | |
1511 | e1e_rphy(hw, HV_PM_CTRL, &data); | |
1512 | ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10)); | |
1513 | if (ret_val) | |
1514 | goto out; | |
1515 | } else { | |
1516 | /* Write MAC register values back to h/w defaults */ | |
1517 | mac_reg = er32(FFLT_DBG); | |
1518 | mac_reg &= ~(0xF << 14); | |
1519 | ew32(FFLT_DBG, mac_reg); | |
1520 | ||
1521 | mac_reg = er32(RCTL); | |
1522 | mac_reg &= ~E1000_RCTL_SECRC; | |
a1ce6473 | 1523 | ew32(RCTL, mac_reg); |
d3738bb8 BA |
1524 | |
1525 | ret_val = e1000e_read_kmrn_reg(hw, | |
1526 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
1527 | &data); | |
1528 | if (ret_val) | |
1529 | goto out; | |
1530 | ret_val = e1000e_write_kmrn_reg(hw, | |
1531 | E1000_KMRNCTRLSTA_CTRL_OFFSET, | |
1532 | data & ~(1 << 0)); | |
1533 | if (ret_val) | |
1534 | goto out; | |
1535 | ret_val = e1000e_read_kmrn_reg(hw, | |
1536 | E1000_KMRNCTRLSTA_HD_CTRL, | |
1537 | &data); | |
1538 | if (ret_val) | |
1539 | goto out; | |
1540 | data &= ~(0xF << 8); | |
1541 | data |= (0xB << 8); | |
1542 | ret_val = e1000e_write_kmrn_reg(hw, | |
1543 | E1000_KMRNCTRLSTA_HD_CTRL, | |
1544 | data); | |
1545 | if (ret_val) | |
1546 | goto out; | |
1547 | ||
1548 | /* Write PHY register values back to h/w defaults */ | |
d3738bb8 BA |
1549 | e1e_rphy(hw, PHY_REG(769, 23), &data); |
1550 | data &= ~(0x7F << 5); | |
1551 | ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); | |
1552 | if (ret_val) | |
1553 | goto out; | |
1554 | e1e_rphy(hw, PHY_REG(769, 16), &data); | |
d3738bb8 BA |
1555 | data |= (1 << 13); |
1556 | ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); | |
1557 | if (ret_val) | |
1558 | goto out; | |
1559 | e1e_rphy(hw, PHY_REG(776, 20), &data); | |
1560 | data &= ~(0x3FF << 2); | |
1561 | data |= (0x8 << 2); | |
1562 | ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); | |
1563 | if (ret_val) | |
1564 | goto out; | |
1565 | ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00); | |
1566 | if (ret_val) | |
1567 | goto out; | |
1568 | e1e_rphy(hw, HV_PM_CTRL, &data); | |
1569 | ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10)); | |
1570 | if (ret_val) | |
1571 | goto out; | |
1572 | } | |
1573 | ||
1574 | /* re-enable Rx path after enabling/disabling workaround */ | |
1575 | ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14)); | |
1576 | ||
1577 | out: | |
1578 | return ret_val; | |
1579 | } | |
1580 | ||
1581 | /** | |
1582 | * e1000_lv_phy_workarounds_ich8lan - A series of Phy workarounds to be | |
1583 | * done after every PHY reset. | |
1584 | **/ | |
1585 | static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |
1586 | { | |
1587 | s32 ret_val = 0; | |
1588 | ||
1589 | if (hw->mac.type != e1000_pch2lan) | |
1590 | goto out; | |
1591 | ||
1592 | /* Set MDIO slow mode before any other MDIO access */ | |
1593 | ret_val = e1000_set_mdio_slow_mode_hv(hw); | |
1594 | ||
1595 | out: | |
1596 | return ret_val; | |
1597 | } | |
1598 | ||
831bd2e6 BA |
1599 | /** |
1600 | * e1000_k1_gig_workaround_lv - K1 Si workaround | |
1601 | * @hw: pointer to the HW structure | |
1602 | * | |
1603 | * Workaround to set the K1 beacon duration for 82579 parts | |
1604 | **/ | |
1605 | static s32 e1000_k1_workaround_lv(struct e1000_hw *hw) | |
1606 | { | |
1607 | s32 ret_val = 0; | |
1608 | u16 status_reg = 0; | |
1609 | u32 mac_reg; | |
1610 | ||
1611 | if (hw->mac.type != e1000_pch2lan) | |
1612 | goto out; | |
1613 | ||
1614 | /* Set K1 beacon duration based on 1Gbps speed or otherwise */ | |
1615 | ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg); | |
1616 | if (ret_val) | |
1617 | goto out; | |
1618 | ||
1619 | if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) | |
1620 | == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) { | |
1621 | mac_reg = er32(FEXTNVM4); | |
1622 | mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK; | |
1623 | ||
1624 | if (status_reg & HV_M_STATUS_SPEED_1000) | |
1625 | mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC; | |
1626 | else | |
1627 | mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC; | |
1628 | ||
1629 | ew32(FEXTNVM4, mac_reg); | |
1630 | } | |
1631 | ||
1632 | out: | |
1633 | return ret_val; | |
1634 | } | |
1635 | ||
605c82ba BA |
1636 | /** |
1637 | * e1000_gate_hw_phy_config_ich8lan - disable PHY config via hardware | |
1638 | * @hw: pointer to the HW structure | |
1639 | * @gate: boolean set to true to gate, false to ungate | |
1640 | * | |
1641 | * Gate/ungate the automatic PHY configuration via hardware; perform | |
1642 | * the configuration via software instead. | |
1643 | **/ | |
1644 | static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate) | |
1645 | { | |
1646 | u32 extcnf_ctrl; | |
1647 | ||
1648 | if (hw->mac.type != e1000_pch2lan) | |
1649 | return; | |
1650 | ||
1651 | extcnf_ctrl = er32(EXTCNF_CTRL); | |
1652 | ||
1653 | if (gate) | |
1654 | extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; | |
1655 | else | |
1656 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_GATE_PHY_CFG; | |
1657 | ||
1658 | ew32(EXTCNF_CTRL, extcnf_ctrl); | |
1659 | return; | |
1660 | } | |
1661 | ||
fc0c7760 BA |
1662 | /** |
1663 | * e1000_lan_init_done_ich8lan - Check for PHY config completion | |
1664 | * @hw: pointer to the HW structure | |
1665 | * | |
1666 | * Check the appropriate indication the MAC has finished configuring the | |
1667 | * PHY after a software reset. | |
1668 | **/ | |
1669 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) | |
1670 | { | |
1671 | u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT; | |
1672 | ||
1673 | /* Wait for basic configuration completes before proceeding */ | |
1674 | do { | |
1675 | data = er32(STATUS); | |
1676 | data &= E1000_STATUS_LAN_INIT_DONE; | |
1677 | udelay(100); | |
1678 | } while ((!data) && --loop); | |
1679 | ||
1680 | /* | |
1681 | * If basic configuration is incomplete before the above loop | |
1682 | * count reaches 0, loading the configuration from NVM will | |
1683 | * leave the PHY in a bad state possibly resulting in no link. | |
1684 | */ | |
1685 | if (loop == 0) | |
3bb99fe2 | 1686 | e_dbg("LAN_INIT_DONE not set, increase timeout\n"); |
fc0c7760 BA |
1687 | |
1688 | /* Clear the Init Done bit for the next init event */ | |
1689 | data = er32(STATUS); | |
1690 | data &= ~E1000_STATUS_LAN_INIT_DONE; | |
1691 | ew32(STATUS, data); | |
1692 | } | |
1693 | ||
bc7f75fa | 1694 | /** |
e98cac44 | 1695 | * e1000_post_phy_reset_ich8lan - Perform steps required after a PHY reset |
bc7f75fa | 1696 | * @hw: pointer to the HW structure |
bc7f75fa | 1697 | **/ |
e98cac44 | 1698 | static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) |
bc7f75fa | 1699 | { |
f523d211 BA |
1700 | s32 ret_val = 0; |
1701 | u16 reg; | |
bc7f75fa | 1702 | |
e98cac44 BA |
1703 | if (e1000_check_reset_block(hw)) |
1704 | goto out; | |
fc0c7760 | 1705 | |
5f3eed6f BA |
1706 | /* Allow time for h/w to get to quiescent state after reset */ |
1707 | msleep(10); | |
1708 | ||
fddaa1af | 1709 | /* Perform any necessary post-reset workarounds */ |
e98cac44 BA |
1710 | switch (hw->mac.type) { |
1711 | case e1000_pchlan: | |
a4f58f54 BA |
1712 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); |
1713 | if (ret_val) | |
e98cac44 BA |
1714 | goto out; |
1715 | break; | |
d3738bb8 BA |
1716 | case e1000_pch2lan: |
1717 | ret_val = e1000_lv_phy_workarounds_ich8lan(hw); | |
1718 | if (ret_val) | |
1719 | goto out; | |
1720 | break; | |
e98cac44 BA |
1721 | default: |
1722 | break; | |
a4f58f54 BA |
1723 | } |
1724 | ||
db2932ec | 1725 | /* Dummy read to clear the phy wakeup bit after lcd reset */ |
d3738bb8 | 1726 | if (hw->mac.type >= e1000_pchlan) |
db2932ec BA |
1727 | e1e_rphy(hw, BM_WUC, ®); |
1728 | ||
f523d211 BA |
1729 | /* Configure the LCD with the extended configuration region in NVM */ |
1730 | ret_val = e1000_sw_lcd_config_ich8lan(hw); | |
1731 | if (ret_val) | |
1732 | goto out; | |
bc7f75fa | 1733 | |
f523d211 | 1734 | /* Configure the LCD with the OEM bits in NVM */ |
e98cac44 | 1735 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); |
bc7f75fa | 1736 | |
605c82ba BA |
1737 | /* Ungate automatic PHY configuration on non-managed 82579 */ |
1738 | if ((hw->mac.type == e1000_pch2lan) && | |
1739 | !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { | |
1740 | msleep(10); | |
1741 | e1000_gate_hw_phy_config_ich8lan(hw, false); | |
1742 | } | |
1743 | ||
f523d211 | 1744 | out: |
e98cac44 BA |
1745 | return ret_val; |
1746 | } | |
1747 | ||
1748 | /** | |
1749 | * e1000_phy_hw_reset_ich8lan - Performs a PHY reset | |
1750 | * @hw: pointer to the HW structure | |
1751 | * | |
1752 | * Resets the PHY | |
1753 | * This is a function pointer entry point called by drivers | |
1754 | * or other shared routines. | |
1755 | **/ | |
1756 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | |
1757 | { | |
1758 | s32 ret_val = 0; | |
1759 | ||
605c82ba BA |
1760 | /* Gate automatic PHY configuration by hardware on non-managed 82579 */ |
1761 | if ((hw->mac.type == e1000_pch2lan) && | |
1762 | !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
1763 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
1764 | ||
e98cac44 BA |
1765 | ret_val = e1000e_phy_hw_reset_generic(hw); |
1766 | if (ret_val) | |
1767 | goto out; | |
1768 | ||
1769 | ret_val = e1000_post_phy_reset_ich8lan(hw); | |
1770 | ||
1771 | out: | |
1772 | return ret_val; | |
bc7f75fa AK |
1773 | } |
1774 | ||
fa2ce13c BA |
1775 | /** |
1776 | * e1000_set_lplu_state_pchlan - Set Low Power Link Up state | |
1777 | * @hw: pointer to the HW structure | |
1778 | * @active: true to enable LPLU, false to disable | |
1779 | * | |
1780 | * Sets the LPLU state according to the active flag. For PCH, if OEM write | |
1781 | * bit are disabled in the NVM, writing the LPLU bits in the MAC will not set | |
1782 | * the phy speed. This function will manually set the LPLU bit and restart | |
1783 | * auto-neg as hw would do. D3 and D0 LPLU will call the same function | |
1784 | * since it configures the same bit. | |
1785 | **/ | |
1786 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) | |
1787 | { | |
1788 | s32 ret_val = 0; | |
1789 | u16 oem_reg; | |
1790 | ||
1791 | ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); | |
1792 | if (ret_val) | |
1793 | goto out; | |
1794 | ||
1795 | if (active) | |
1796 | oem_reg |= HV_OEM_BITS_LPLU; | |
1797 | else | |
1798 | oem_reg &= ~HV_OEM_BITS_LPLU; | |
1799 | ||
1800 | oem_reg |= HV_OEM_BITS_RESTART_AN; | |
1801 | ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); | |
1802 | ||
1803 | out: | |
1804 | return ret_val; | |
1805 | } | |
1806 | ||
bc7f75fa AK |
1807 | /** |
1808 | * e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state | |
1809 | * @hw: pointer to the HW structure | |
564ea9bb | 1810 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
1811 | * |
1812 | * Sets the LPLU D0 state according to the active flag. When | |
1813 | * activating LPLU this function also disables smart speed | |
1814 | * and vice versa. LPLU will not be activated unless the | |
1815 | * device autonegotiation advertisement meets standards of | |
1816 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1817 | * This is a function pointer entry point only called by | |
1818 | * PHY setup routines. | |
1819 | **/ | |
1820 | static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1821 | { | |
1822 | struct e1000_phy_info *phy = &hw->phy; | |
1823 | u32 phy_ctrl; | |
1824 | s32 ret_val = 0; | |
1825 | u16 data; | |
1826 | ||
97ac8cae | 1827 | if (phy->type == e1000_phy_ife) |
bc7f75fa AK |
1828 | return ret_val; |
1829 | ||
1830 | phy_ctrl = er32(PHY_CTRL); | |
1831 | ||
1832 | if (active) { | |
1833 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; | |
1834 | ew32(PHY_CTRL, phy_ctrl); | |
1835 | ||
60f1292f BA |
1836 | if (phy->type != e1000_phy_igp_3) |
1837 | return 0; | |
1838 | ||
ad68076e BA |
1839 | /* |
1840 | * Call gig speed drop workaround on LPLU before accessing | |
1841 | * any PHY registers | |
1842 | */ | |
60f1292f | 1843 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1844 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1845 | ||
1846 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
1847 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); | |
1848 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1849 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); | |
1850 | if (ret_val) | |
1851 | return ret_val; | |
1852 | } else { | |
1853 | phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; | |
1854 | ew32(PHY_CTRL, phy_ctrl); | |
1855 | ||
60f1292f BA |
1856 | if (phy->type != e1000_phy_igp_3) |
1857 | return 0; | |
1858 | ||
ad68076e BA |
1859 | /* |
1860 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1861 | * during Dx states where the power conservation is most |
1862 | * important. During driver activity we should enable | |
ad68076e BA |
1863 | * SmartSpeed, so performance is maintained. |
1864 | */ | |
bc7f75fa AK |
1865 | if (phy->smart_speed == e1000_smart_speed_on) { |
1866 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1867 | &data); |
bc7f75fa AK |
1868 | if (ret_val) |
1869 | return ret_val; | |
1870 | ||
1871 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
1872 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1873 | data); |
bc7f75fa AK |
1874 | if (ret_val) |
1875 | return ret_val; | |
1876 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
1877 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1878 | &data); |
bc7f75fa AK |
1879 | if (ret_val) |
1880 | return ret_val; | |
1881 | ||
1882 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
1883 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, | |
ad68076e | 1884 | data); |
bc7f75fa AK |
1885 | if (ret_val) |
1886 | return ret_val; | |
1887 | } | |
1888 | } | |
1889 | ||
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | /** | |
1894 | * e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state | |
1895 | * @hw: pointer to the HW structure | |
564ea9bb | 1896 | * @active: true to enable LPLU, false to disable |
bc7f75fa AK |
1897 | * |
1898 | * Sets the LPLU D3 state according to the active flag. When | |
1899 | * activating LPLU this function also disables smart speed | |
1900 | * and vice versa. LPLU will not be activated unless the | |
1901 | * device autonegotiation advertisement meets standards of | |
1902 | * either 10 or 10/100 or 10/100/1000 at all duplexes. | |
1903 | * This is a function pointer entry point only called by | |
1904 | * PHY setup routines. | |
1905 | **/ | |
1906 | static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) | |
1907 | { | |
1908 | struct e1000_phy_info *phy = &hw->phy; | |
1909 | u32 phy_ctrl; | |
1910 | s32 ret_val; | |
1911 | u16 data; | |
1912 | ||
1913 | phy_ctrl = er32(PHY_CTRL); | |
1914 | ||
1915 | if (!active) { | |
1916 | phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; | |
1917 | ew32(PHY_CTRL, phy_ctrl); | |
60f1292f BA |
1918 | |
1919 | if (phy->type != e1000_phy_igp_3) | |
1920 | return 0; | |
1921 | ||
ad68076e BA |
1922 | /* |
1923 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used | |
bc7f75fa AK |
1924 | * during Dx states where the power conservation is most |
1925 | * important. During driver activity we should enable | |
ad68076e BA |
1926 | * SmartSpeed, so performance is maintained. |
1927 | */ | |
bc7f75fa | 1928 | if (phy->smart_speed == e1000_smart_speed_on) { |
ad68076e BA |
1929 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1930 | &data); | |
bc7f75fa AK |
1931 | if (ret_val) |
1932 | return ret_val; | |
1933 | ||
1934 | data |= IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1935 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1936 | data); | |
bc7f75fa AK |
1937 | if (ret_val) |
1938 | return ret_val; | |
1939 | } else if (phy->smart_speed == e1000_smart_speed_off) { | |
ad68076e BA |
1940 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1941 | &data); | |
bc7f75fa AK |
1942 | if (ret_val) |
1943 | return ret_val; | |
1944 | ||
1945 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e BA |
1946 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
1947 | data); | |
bc7f75fa AK |
1948 | if (ret_val) |
1949 | return ret_val; | |
1950 | } | |
1951 | } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || | |
1952 | (phy->autoneg_advertised == E1000_ALL_NOT_GIG) || | |
1953 | (phy->autoneg_advertised == E1000_ALL_10_SPEED)) { | |
1954 | phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; | |
1955 | ew32(PHY_CTRL, phy_ctrl); | |
1956 | ||
60f1292f BA |
1957 | if (phy->type != e1000_phy_igp_3) |
1958 | return 0; | |
1959 | ||
ad68076e BA |
1960 | /* |
1961 | * Call gig speed drop workaround on LPLU before accessing | |
1962 | * any PHY registers | |
1963 | */ | |
60f1292f | 1964 | if (hw->mac.type == e1000_ich8lan) |
bc7f75fa AK |
1965 | e1000e_gig_downshift_workaround_ich8lan(hw); |
1966 | ||
1967 | /* When LPLU is enabled, we should disable SmartSpeed */ | |
ad68076e | 1968 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
bc7f75fa AK |
1969 | if (ret_val) |
1970 | return ret_val; | |
1971 | ||
1972 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; | |
ad68076e | 1973 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
bc7f75fa AK |
1974 | } |
1975 | ||
1976 | return 0; | |
1977 | } | |
1978 | ||
f4187b56 BA |
1979 | /** |
1980 | * e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1 | |
1981 | * @hw: pointer to the HW structure | |
1982 | * @bank: pointer to the variable that returns the active bank | |
1983 | * | |
1984 | * Reads signature byte from the NVM using the flash access registers. | |
e243455d | 1985 | * Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank. |
f4187b56 BA |
1986 | **/ |
1987 | static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) | |
1988 | { | |
e243455d | 1989 | u32 eecd; |
f4187b56 | 1990 | struct e1000_nvm_info *nvm = &hw->nvm; |
f4187b56 BA |
1991 | u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); |
1992 | u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; | |
e243455d BA |
1993 | u8 sig_byte = 0; |
1994 | s32 ret_val = 0; | |
f4187b56 | 1995 | |
e243455d BA |
1996 | switch (hw->mac.type) { |
1997 | case e1000_ich8lan: | |
1998 | case e1000_ich9lan: | |
1999 | eecd = er32(EECD); | |
2000 | if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) == | |
2001 | E1000_EECD_SEC1VAL_VALID_MASK) { | |
2002 | if (eecd & E1000_EECD_SEC1VAL) | |
2003 | *bank = 1; | |
2004 | else | |
2005 | *bank = 0; | |
2006 | ||
2007 | return 0; | |
2008 | } | |
3bb99fe2 | 2009 | e_dbg("Unable to determine valid NVM bank via EEC - " |
e243455d BA |
2010 | "reading flash signature\n"); |
2011 | /* fall-thru */ | |
2012 | default: | |
2013 | /* set bank to 0 in case flash read fails */ | |
2014 | *bank = 0; | |
2015 | ||
2016 | /* Check bank 0 */ | |
2017 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset, | |
2018 | &sig_byte); | |
2019 | if (ret_val) | |
2020 | return ret_val; | |
2021 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
2022 | E1000_ICH_NVM_SIG_VALUE) { | |
f4187b56 | 2023 | *bank = 0; |
e243455d BA |
2024 | return 0; |
2025 | } | |
f4187b56 | 2026 | |
e243455d BA |
2027 | /* Check bank 1 */ |
2028 | ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset + | |
2029 | bank1_offset, | |
2030 | &sig_byte); | |
2031 | if (ret_val) | |
2032 | return ret_val; | |
2033 | if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == | |
2034 | E1000_ICH_NVM_SIG_VALUE) { | |
2035 | *bank = 1; | |
2036 | return 0; | |
f4187b56 | 2037 | } |
e243455d | 2038 | |
3bb99fe2 | 2039 | e_dbg("ERROR: No valid NVM bank present\n"); |
e243455d | 2040 | return -E1000_ERR_NVM; |
f4187b56 BA |
2041 | } |
2042 | ||
2043 | return 0; | |
2044 | } | |
2045 | ||
bc7f75fa AK |
2046 | /** |
2047 | * e1000_read_nvm_ich8lan - Read word(s) from the NVM | |
2048 | * @hw: pointer to the HW structure | |
2049 | * @offset: The offset (in bytes) of the word(s) to read. | |
2050 | * @words: Size of data to read in words | |
2051 | * @data: Pointer to the word(s) to read at offset. | |
2052 | * | |
2053 | * Reads a word(s) from the NVM using the flash access registers. | |
2054 | **/ | |
2055 | static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
2056 | u16 *data) | |
2057 | { | |
2058 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2059 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
2060 | u32 act_offset; | |
148675a7 | 2061 | s32 ret_val = 0; |
f4187b56 | 2062 | u32 bank = 0; |
bc7f75fa AK |
2063 | u16 i, word; |
2064 | ||
2065 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
2066 | (words == 0)) { | |
3bb99fe2 | 2067 | e_dbg("nvm parameter(s) out of bounds\n"); |
ca15df58 BA |
2068 | ret_val = -E1000_ERR_NVM; |
2069 | goto out; | |
bc7f75fa AK |
2070 | } |
2071 | ||
94d8186a | 2072 | nvm->ops.acquire(hw); |
bc7f75fa | 2073 | |
f4187b56 | 2074 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
148675a7 | 2075 | if (ret_val) { |
3bb99fe2 | 2076 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 BA |
2077 | bank = 0; |
2078 | } | |
f4187b56 BA |
2079 | |
2080 | act_offset = (bank) ? nvm->flash_bank_size : 0; | |
bc7f75fa AK |
2081 | act_offset += offset; |
2082 | ||
148675a7 | 2083 | ret_val = 0; |
bc7f75fa AK |
2084 | for (i = 0; i < words; i++) { |
2085 | if ((dev_spec->shadow_ram) && | |
2086 | (dev_spec->shadow_ram[offset+i].modified)) { | |
2087 | data[i] = dev_spec->shadow_ram[offset+i].value; | |
2088 | } else { | |
2089 | ret_val = e1000_read_flash_word_ich8lan(hw, | |
2090 | act_offset + i, | |
2091 | &word); | |
2092 | if (ret_val) | |
2093 | break; | |
2094 | data[i] = word; | |
2095 | } | |
2096 | } | |
2097 | ||
94d8186a | 2098 | nvm->ops.release(hw); |
bc7f75fa | 2099 | |
e243455d BA |
2100 | out: |
2101 | if (ret_val) | |
3bb99fe2 | 2102 | e_dbg("NVM read error: %d\n", ret_val); |
e243455d | 2103 | |
bc7f75fa AK |
2104 | return ret_val; |
2105 | } | |
2106 | ||
2107 | /** | |
2108 | * e1000_flash_cycle_init_ich8lan - Initialize flash | |
2109 | * @hw: pointer to the HW structure | |
2110 | * | |
2111 | * This function does initial flash setup so that a new read/write/erase cycle | |
2112 | * can be started. | |
2113 | **/ | |
2114 | static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) | |
2115 | { | |
2116 | union ich8_hws_flash_status hsfsts; | |
2117 | s32 ret_val = -E1000_ERR_NVM; | |
2118 | s32 i = 0; | |
2119 | ||
2120 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2121 | ||
2122 | /* Check if the flash descriptor is valid */ | |
2123 | if (hsfsts.hsf_status.fldesvalid == 0) { | |
3bb99fe2 | 2124 | e_dbg("Flash descriptor invalid. " |
2c73e1fe | 2125 | "SW Sequencing must be used.\n"); |
bc7f75fa AK |
2126 | return -E1000_ERR_NVM; |
2127 | } | |
2128 | ||
2129 | /* Clear FCERR and DAEL in hw status by writing 1 */ | |
2130 | hsfsts.hsf_status.flcerr = 1; | |
2131 | hsfsts.hsf_status.dael = 1; | |
2132 | ||
2133 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2134 | ||
ad68076e BA |
2135 | /* |
2136 | * Either we should have a hardware SPI cycle in progress | |
bc7f75fa AK |
2137 | * bit to check against, in order to start a new cycle or |
2138 | * FDONE bit should be changed in the hardware so that it | |
489815ce | 2139 | * is 1 after hardware reset, which can then be used as an |
bc7f75fa AK |
2140 | * indication whether a cycle is in progress or has been |
2141 | * completed. | |
2142 | */ | |
2143 | ||
2144 | if (hsfsts.hsf_status.flcinprog == 0) { | |
ad68076e BA |
2145 | /* |
2146 | * There is no cycle running at present, | |
5ff5b664 | 2147 | * so we can start a cycle. |
ad68076e BA |
2148 | * Begin by setting Flash Cycle Done. |
2149 | */ | |
bc7f75fa AK |
2150 | hsfsts.hsf_status.flcdone = 1; |
2151 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2152 | ret_val = 0; | |
2153 | } else { | |
ad68076e | 2154 | /* |
5ff5b664 | 2155 | * Otherwise poll for sometime so the current |
ad68076e BA |
2156 | * cycle has a chance to end before giving up. |
2157 | */ | |
bc7f75fa AK |
2158 | for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) { |
2159 | hsfsts.regval = __er16flash(hw, ICH_FLASH_HSFSTS); | |
2160 | if (hsfsts.hsf_status.flcinprog == 0) { | |
2161 | ret_val = 0; | |
2162 | break; | |
2163 | } | |
2164 | udelay(1); | |
2165 | } | |
2166 | if (ret_val == 0) { | |
ad68076e BA |
2167 | /* |
2168 | * Successful in waiting for previous cycle to timeout, | |
2169 | * now set the Flash Cycle Done. | |
2170 | */ | |
bc7f75fa AK |
2171 | hsfsts.hsf_status.flcdone = 1; |
2172 | ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2173 | } else { | |
2c73e1fe | 2174 | e_dbg("Flash controller busy, cannot get access\n"); |
bc7f75fa AK |
2175 | } |
2176 | } | |
2177 | ||
2178 | return ret_val; | |
2179 | } | |
2180 | ||
2181 | /** | |
2182 | * e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase) | |
2183 | * @hw: pointer to the HW structure | |
2184 | * @timeout: maximum time to wait for completion | |
2185 | * | |
2186 | * This function starts a flash cycle and waits for its completion. | |
2187 | **/ | |
2188 | static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) | |
2189 | { | |
2190 | union ich8_hws_flash_ctrl hsflctl; | |
2191 | union ich8_hws_flash_status hsfsts; | |
2192 | s32 ret_val = -E1000_ERR_NVM; | |
2193 | u32 i = 0; | |
2194 | ||
2195 | /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ | |
2196 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
2197 | hsflctl.hsf_ctrl.flcgo = 1; | |
2198 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2199 | ||
2200 | /* wait till FDONE bit is set to 1 */ | |
2201 | do { | |
2202 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2203 | if (hsfsts.hsf_status.flcdone == 1) | |
2204 | break; | |
2205 | udelay(1); | |
2206 | } while (i++ < timeout); | |
2207 | ||
2208 | if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0) | |
2209 | return 0; | |
2210 | ||
2211 | return ret_val; | |
2212 | } | |
2213 | ||
2214 | /** | |
2215 | * e1000_read_flash_word_ich8lan - Read word from flash | |
2216 | * @hw: pointer to the HW structure | |
2217 | * @offset: offset to data location | |
2218 | * @data: pointer to the location for storing the data | |
2219 | * | |
2220 | * Reads the flash word at offset into data. Offset is converted | |
2221 | * to bytes before read. | |
2222 | **/ | |
2223 | static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, | |
2224 | u16 *data) | |
2225 | { | |
2226 | /* Must convert offset into bytes. */ | |
2227 | offset <<= 1; | |
2228 | ||
2229 | return e1000_read_flash_data_ich8lan(hw, offset, 2, data); | |
2230 | } | |
2231 | ||
f4187b56 BA |
2232 | /** |
2233 | * e1000_read_flash_byte_ich8lan - Read byte from flash | |
2234 | * @hw: pointer to the HW structure | |
2235 | * @offset: The offset of the byte to read. | |
2236 | * @data: Pointer to a byte to store the value read. | |
2237 | * | |
2238 | * Reads a single byte from the NVM using the flash access registers. | |
2239 | **/ | |
2240 | static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
2241 | u8 *data) | |
2242 | { | |
2243 | s32 ret_val; | |
2244 | u16 word = 0; | |
2245 | ||
2246 | ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word); | |
2247 | if (ret_val) | |
2248 | return ret_val; | |
2249 | ||
2250 | *data = (u8)word; | |
2251 | ||
2252 | return 0; | |
2253 | } | |
2254 | ||
bc7f75fa AK |
2255 | /** |
2256 | * e1000_read_flash_data_ich8lan - Read byte or word from NVM | |
2257 | * @hw: pointer to the HW structure | |
2258 | * @offset: The offset (in bytes) of the byte or word to read. | |
2259 | * @size: Size of data to read, 1=byte 2=word | |
2260 | * @data: Pointer to the word to store the value read. | |
2261 | * | |
2262 | * Reads a byte or word from the NVM using the flash access registers. | |
2263 | **/ | |
2264 | static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
2265 | u8 size, u16 *data) | |
2266 | { | |
2267 | union ich8_hws_flash_status hsfsts; | |
2268 | union ich8_hws_flash_ctrl hsflctl; | |
2269 | u32 flash_linear_addr; | |
2270 | u32 flash_data = 0; | |
2271 | s32 ret_val = -E1000_ERR_NVM; | |
2272 | u8 count = 0; | |
2273 | ||
2274 | if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
2275 | return -E1000_ERR_NVM; | |
2276 | ||
2277 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
2278 | hw->nvm.flash_base_addr; | |
2279 | ||
2280 | do { | |
2281 | udelay(1); | |
2282 | /* Steps */ | |
2283 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2284 | if (ret_val != 0) | |
2285 | break; | |
2286 | ||
2287 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
2288 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
2289 | hsflctl.hsf_ctrl.fldbcount = size - 1; | |
2290 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; | |
2291 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2292 | ||
2293 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2294 | ||
2295 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
2296 | ICH_FLASH_READ_COMMAND_TIMEOUT); | |
2297 | ||
ad68076e BA |
2298 | /* |
2299 | * Check if FCERR is set to 1, if set to 1, clear it | |
bc7f75fa AK |
2300 | * and try the whole sequence a few more times, else |
2301 | * read in (shift in) the Flash Data0, the order is | |
ad68076e BA |
2302 | * least significant byte first msb to lsb |
2303 | */ | |
bc7f75fa AK |
2304 | if (ret_val == 0) { |
2305 | flash_data = er32flash(ICH_FLASH_FDATA0); | |
2306 | if (size == 1) { | |
2307 | *data = (u8)(flash_data & 0x000000FF); | |
2308 | } else if (size == 2) { | |
2309 | *data = (u16)(flash_data & 0x0000FFFF); | |
2310 | } | |
2311 | break; | |
2312 | } else { | |
ad68076e BA |
2313 | /* |
2314 | * If we've gotten here, then things are probably | |
bc7f75fa AK |
2315 | * completely hosed, but if the error condition is |
2316 | * detected, it won't hurt to give it another try... | |
2317 | * ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
2318 | */ | |
2319 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2320 | if (hsfsts.hsf_status.flcerr == 1) { | |
2321 | /* Repeat for some time before giving up. */ | |
2322 | continue; | |
2323 | } else if (hsfsts.hsf_status.flcdone == 0) { | |
3bb99fe2 | 2324 | e_dbg("Timeout error - flash cycle " |
2c73e1fe | 2325 | "did not complete.\n"); |
bc7f75fa AK |
2326 | break; |
2327 | } | |
2328 | } | |
2329 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2330 | ||
2331 | return ret_val; | |
2332 | } | |
2333 | ||
2334 | /** | |
2335 | * e1000_write_nvm_ich8lan - Write word(s) to the NVM | |
2336 | * @hw: pointer to the HW structure | |
2337 | * @offset: The offset (in bytes) of the word(s) to write. | |
2338 | * @words: Size of data to write in words | |
2339 | * @data: Pointer to the word(s) to write at offset. | |
2340 | * | |
2341 | * Writes a byte or word to the NVM using the flash access registers. | |
2342 | **/ | |
2343 | static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, | |
2344 | u16 *data) | |
2345 | { | |
2346 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2347 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
bc7f75fa AK |
2348 | u16 i; |
2349 | ||
2350 | if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || | |
2351 | (words == 0)) { | |
3bb99fe2 | 2352 | e_dbg("nvm parameter(s) out of bounds\n"); |
bc7f75fa AK |
2353 | return -E1000_ERR_NVM; |
2354 | } | |
2355 | ||
94d8186a | 2356 | nvm->ops.acquire(hw); |
ca15df58 | 2357 | |
bc7f75fa | 2358 | for (i = 0; i < words; i++) { |
564ea9bb | 2359 | dev_spec->shadow_ram[offset+i].modified = true; |
bc7f75fa AK |
2360 | dev_spec->shadow_ram[offset+i].value = data[i]; |
2361 | } | |
2362 | ||
94d8186a | 2363 | nvm->ops.release(hw); |
ca15df58 | 2364 | |
bc7f75fa AK |
2365 | return 0; |
2366 | } | |
2367 | ||
2368 | /** | |
2369 | * e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM | |
2370 | * @hw: pointer to the HW structure | |
2371 | * | |
2372 | * The NVM checksum is updated by calling the generic update_nvm_checksum, | |
2373 | * which writes the checksum to the shadow ram. The changes in the shadow | |
2374 | * ram are then committed to the EEPROM by processing each bank at a time | |
2375 | * checking for the modified bit and writing only the pending changes. | |
489815ce | 2376 | * After a successful commit, the shadow ram is cleared and is ready for |
bc7f75fa AK |
2377 | * future writes. |
2378 | **/ | |
2379 | static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
2380 | { | |
2381 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2382 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
f4187b56 | 2383 | u32 i, act_offset, new_bank_offset, old_bank_offset, bank; |
bc7f75fa AK |
2384 | s32 ret_val; |
2385 | u16 data; | |
2386 | ||
2387 | ret_val = e1000e_update_nvm_checksum_generic(hw); | |
2388 | if (ret_val) | |
e243455d | 2389 | goto out; |
bc7f75fa AK |
2390 | |
2391 | if (nvm->type != e1000_nvm_flash_sw) | |
e243455d | 2392 | goto out; |
bc7f75fa | 2393 | |
94d8186a | 2394 | nvm->ops.acquire(hw); |
bc7f75fa | 2395 | |
ad68076e BA |
2396 | /* |
2397 | * We're writing to the opposite bank so if we're on bank 1, | |
bc7f75fa | 2398 | * write to bank 0 etc. We also need to erase the segment that |
ad68076e BA |
2399 | * is going to be written |
2400 | */ | |
f4187b56 | 2401 | ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); |
e243455d | 2402 | if (ret_val) { |
3bb99fe2 | 2403 | e_dbg("Could not detect valid bank, assuming bank 0\n"); |
148675a7 | 2404 | bank = 0; |
e243455d | 2405 | } |
f4187b56 BA |
2406 | |
2407 | if (bank == 0) { | |
bc7f75fa AK |
2408 | new_bank_offset = nvm->flash_bank_size; |
2409 | old_bank_offset = 0; | |
e243455d | 2410 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); |
9c5e209d BA |
2411 | if (ret_val) |
2412 | goto release; | |
bc7f75fa AK |
2413 | } else { |
2414 | old_bank_offset = nvm->flash_bank_size; | |
2415 | new_bank_offset = 0; | |
e243455d | 2416 | ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); |
9c5e209d BA |
2417 | if (ret_val) |
2418 | goto release; | |
bc7f75fa AK |
2419 | } |
2420 | ||
2421 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
ad68076e BA |
2422 | /* |
2423 | * Determine whether to write the value stored | |
bc7f75fa | 2424 | * in the other NVM bank or a modified value stored |
ad68076e BA |
2425 | * in the shadow RAM |
2426 | */ | |
bc7f75fa AK |
2427 | if (dev_spec->shadow_ram[i].modified) { |
2428 | data = dev_spec->shadow_ram[i].value; | |
2429 | } else { | |
e243455d BA |
2430 | ret_val = e1000_read_flash_word_ich8lan(hw, i + |
2431 | old_bank_offset, | |
2432 | &data); | |
2433 | if (ret_val) | |
2434 | break; | |
bc7f75fa AK |
2435 | } |
2436 | ||
ad68076e BA |
2437 | /* |
2438 | * If the word is 0x13, then make sure the signature bits | |
bc7f75fa AK |
2439 | * (15:14) are 11b until the commit has completed. |
2440 | * This will allow us to write 10b which indicates the | |
2441 | * signature is valid. We want to do this after the write | |
2442 | * has completed so that we don't mark the segment valid | |
ad68076e BA |
2443 | * while the write is still in progress |
2444 | */ | |
bc7f75fa AK |
2445 | if (i == E1000_ICH_NVM_SIG_WORD) |
2446 | data |= E1000_ICH_NVM_SIG_MASK; | |
2447 | ||
2448 | /* Convert offset to bytes. */ | |
2449 | act_offset = (i + new_bank_offset) << 1; | |
2450 | ||
2451 | udelay(100); | |
2452 | /* Write the bytes to the new bank. */ | |
2453 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2454 | act_offset, | |
2455 | (u8)data); | |
2456 | if (ret_val) | |
2457 | break; | |
2458 | ||
2459 | udelay(100); | |
2460 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2461 | act_offset + 1, | |
2462 | (u8)(data >> 8)); | |
2463 | if (ret_val) | |
2464 | break; | |
2465 | } | |
2466 | ||
ad68076e BA |
2467 | /* |
2468 | * Don't bother writing the segment valid bits if sector | |
2469 | * programming failed. | |
2470 | */ | |
bc7f75fa | 2471 | if (ret_val) { |
4a770358 | 2472 | /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ |
3bb99fe2 | 2473 | e_dbg("Flash commit failed.\n"); |
9c5e209d | 2474 | goto release; |
bc7f75fa AK |
2475 | } |
2476 | ||
ad68076e BA |
2477 | /* |
2478 | * Finally validate the new segment by setting bit 15:14 | |
bc7f75fa AK |
2479 | * to 10b in word 0x13 , this can be done without an |
2480 | * erase as well since these bits are 11 to start with | |
ad68076e BA |
2481 | * and we need to change bit 14 to 0b |
2482 | */ | |
bc7f75fa | 2483 | act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; |
e243455d | 2484 | ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); |
9c5e209d BA |
2485 | if (ret_val) |
2486 | goto release; | |
2487 | ||
bc7f75fa AK |
2488 | data &= 0xBFFF; |
2489 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, | |
2490 | act_offset * 2 + 1, | |
2491 | (u8)(data >> 8)); | |
9c5e209d BA |
2492 | if (ret_val) |
2493 | goto release; | |
bc7f75fa | 2494 | |
ad68076e BA |
2495 | /* |
2496 | * And invalidate the previously valid segment by setting | |
bc7f75fa AK |
2497 | * its signature word (0x13) high_byte to 0b. This can be |
2498 | * done without an erase because flash erase sets all bits | |
ad68076e BA |
2499 | * to 1's. We can write 1's to 0's without an erase |
2500 | */ | |
bc7f75fa AK |
2501 | act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; |
2502 | ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); | |
9c5e209d BA |
2503 | if (ret_val) |
2504 | goto release; | |
bc7f75fa AK |
2505 | |
2506 | /* Great! Everything worked, we can now clear the cached entries. */ | |
2507 | for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { | |
564ea9bb | 2508 | dev_spec->shadow_ram[i].modified = false; |
bc7f75fa AK |
2509 | dev_spec->shadow_ram[i].value = 0xFFFF; |
2510 | } | |
2511 | ||
9c5e209d | 2512 | release: |
94d8186a | 2513 | nvm->ops.release(hw); |
bc7f75fa | 2514 | |
ad68076e BA |
2515 | /* |
2516 | * Reload the EEPROM, or else modifications will not appear | |
bc7f75fa AK |
2517 | * until after the next adapter reset. |
2518 | */ | |
9c5e209d BA |
2519 | if (!ret_val) { |
2520 | e1000e_reload_nvm(hw); | |
2521 | msleep(10); | |
2522 | } | |
bc7f75fa | 2523 | |
e243455d BA |
2524 | out: |
2525 | if (ret_val) | |
3bb99fe2 | 2526 | e_dbg("NVM update error: %d\n", ret_val); |
e243455d | 2527 | |
bc7f75fa AK |
2528 | return ret_val; |
2529 | } | |
2530 | ||
2531 | /** | |
2532 | * e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum | |
2533 | * @hw: pointer to the HW structure | |
2534 | * | |
2535 | * Check to see if checksum needs to be fixed by reading bit 6 in word 0x19. | |
2536 | * If the bit is 0, that the EEPROM had been modified, but the checksum was not | |
2537 | * calculated, in which case we need to calculate the checksum and set bit 6. | |
2538 | **/ | |
2539 | static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) | |
2540 | { | |
2541 | s32 ret_val; | |
2542 | u16 data; | |
2543 | ||
ad68076e BA |
2544 | /* |
2545 | * Read 0x19 and check bit 6. If this bit is 0, the checksum | |
bc7f75fa AK |
2546 | * needs to be fixed. This bit is an indication that the NVM |
2547 | * was prepared by OEM software and did not calculate the | |
2548 | * checksum...a likely scenario. | |
2549 | */ | |
2550 | ret_val = e1000_read_nvm(hw, 0x19, 1, &data); | |
2551 | if (ret_val) | |
2552 | return ret_val; | |
2553 | ||
2554 | if ((data & 0x40) == 0) { | |
2555 | data |= 0x40; | |
2556 | ret_val = e1000_write_nvm(hw, 0x19, 1, &data); | |
2557 | if (ret_val) | |
2558 | return ret_val; | |
2559 | ret_val = e1000e_update_nvm_checksum(hw); | |
2560 | if (ret_val) | |
2561 | return ret_val; | |
2562 | } | |
2563 | ||
2564 | return e1000e_validate_nvm_checksum_generic(hw); | |
2565 | } | |
2566 | ||
4a770358 BA |
2567 | /** |
2568 | * e1000e_write_protect_nvm_ich8lan - Make the NVM read-only | |
2569 | * @hw: pointer to the HW structure | |
2570 | * | |
2571 | * To prevent malicious write/erase of the NVM, set it to be read-only | |
2572 | * so that the hardware ignores all write/erase cycles of the NVM via | |
2573 | * the flash control registers. The shadow-ram copy of the NVM will | |
2574 | * still be updated, however any updates to this copy will not stick | |
2575 | * across driver reloads. | |
2576 | **/ | |
2577 | void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) | |
2578 | { | |
ca15df58 | 2579 | struct e1000_nvm_info *nvm = &hw->nvm; |
4a770358 BA |
2580 | union ich8_flash_protected_range pr0; |
2581 | union ich8_hws_flash_status hsfsts; | |
2582 | u32 gfpreg; | |
4a770358 | 2583 | |
94d8186a | 2584 | nvm->ops.acquire(hw); |
4a770358 BA |
2585 | |
2586 | gfpreg = er32flash(ICH_FLASH_GFPREG); | |
2587 | ||
2588 | /* Write-protect GbE Sector of NVM */ | |
2589 | pr0.regval = er32flash(ICH_FLASH_PR0); | |
2590 | pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK; | |
2591 | pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK); | |
2592 | pr0.range.wpe = true; | |
2593 | ew32flash(ICH_FLASH_PR0, pr0.regval); | |
2594 | ||
2595 | /* | |
2596 | * Lock down a subset of GbE Flash Control Registers, e.g. | |
2597 | * PR0 to prevent the write-protection from being lifted. | |
2598 | * Once FLOCKDN is set, the registers protected by it cannot | |
2599 | * be written until FLOCKDN is cleared by a hardware reset. | |
2600 | */ | |
2601 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2602 | hsfsts.hsf_status.flockdn = true; | |
2603 | ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); | |
2604 | ||
94d8186a | 2605 | nvm->ops.release(hw); |
4a770358 BA |
2606 | } |
2607 | ||
bc7f75fa AK |
2608 | /** |
2609 | * e1000_write_flash_data_ich8lan - Writes bytes to the NVM | |
2610 | * @hw: pointer to the HW structure | |
2611 | * @offset: The offset (in bytes) of the byte/word to read. | |
2612 | * @size: Size of data to read, 1=byte 2=word | |
2613 | * @data: The byte(s) to write to the NVM. | |
2614 | * | |
2615 | * Writes one/two bytes to the NVM using the flash access registers. | |
2616 | **/ | |
2617 | static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, | |
2618 | u8 size, u16 data) | |
2619 | { | |
2620 | union ich8_hws_flash_status hsfsts; | |
2621 | union ich8_hws_flash_ctrl hsflctl; | |
2622 | u32 flash_linear_addr; | |
2623 | u32 flash_data = 0; | |
2624 | s32 ret_val; | |
2625 | u8 count = 0; | |
2626 | ||
2627 | if (size < 1 || size > 2 || data > size * 0xff || | |
2628 | offset > ICH_FLASH_LINEAR_ADDR_MASK) | |
2629 | return -E1000_ERR_NVM; | |
2630 | ||
2631 | flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) + | |
2632 | hw->nvm.flash_base_addr; | |
2633 | ||
2634 | do { | |
2635 | udelay(1); | |
2636 | /* Steps */ | |
2637 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2638 | if (ret_val) | |
2639 | break; | |
2640 | ||
2641 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); | |
2642 | /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ | |
2643 | hsflctl.hsf_ctrl.fldbcount = size -1; | |
2644 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; | |
2645 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2646 | ||
2647 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2648 | ||
2649 | if (size == 1) | |
2650 | flash_data = (u32)data & 0x00FF; | |
2651 | else | |
2652 | flash_data = (u32)data; | |
2653 | ||
2654 | ew32flash(ICH_FLASH_FDATA0, flash_data); | |
2655 | ||
ad68076e BA |
2656 | /* |
2657 | * check if FCERR is set to 1 , if set to 1, clear it | |
2658 | * and try the whole sequence a few more times else done | |
2659 | */ | |
bc7f75fa AK |
2660 | ret_val = e1000_flash_cycle_ich8lan(hw, |
2661 | ICH_FLASH_WRITE_COMMAND_TIMEOUT); | |
2662 | if (!ret_val) | |
2663 | break; | |
2664 | ||
ad68076e BA |
2665 | /* |
2666 | * If we're here, then things are most likely | |
bc7f75fa AK |
2667 | * completely hosed, but if the error condition |
2668 | * is detected, it won't hurt to give it another | |
2669 | * try...ICH_FLASH_CYCLE_REPEAT_COUNT times. | |
2670 | */ | |
2671 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2672 | if (hsfsts.hsf_status.flcerr == 1) | |
2673 | /* Repeat for some time before giving up. */ | |
2674 | continue; | |
2675 | if (hsfsts.hsf_status.flcdone == 0) { | |
3bb99fe2 | 2676 | e_dbg("Timeout error - flash cycle " |
bc7f75fa AK |
2677 | "did not complete."); |
2678 | break; | |
2679 | } | |
2680 | } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2681 | ||
2682 | return ret_val; | |
2683 | } | |
2684 | ||
2685 | /** | |
2686 | * e1000_write_flash_byte_ich8lan - Write a single byte to NVM | |
2687 | * @hw: pointer to the HW structure | |
2688 | * @offset: The index of the byte to read. | |
2689 | * @data: The byte to write to the NVM. | |
2690 | * | |
2691 | * Writes a single byte to the NVM using the flash access registers. | |
2692 | **/ | |
2693 | static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, | |
2694 | u8 data) | |
2695 | { | |
2696 | u16 word = (u16)data; | |
2697 | ||
2698 | return e1000_write_flash_data_ich8lan(hw, offset, 1, word); | |
2699 | } | |
2700 | ||
2701 | /** | |
2702 | * e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM | |
2703 | * @hw: pointer to the HW structure | |
2704 | * @offset: The offset of the byte to write. | |
2705 | * @byte: The byte to write to the NVM. | |
2706 | * | |
2707 | * Writes a single byte to the NVM using the flash access registers. | |
2708 | * Goes through a retry algorithm before giving up. | |
2709 | **/ | |
2710 | static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, | |
2711 | u32 offset, u8 byte) | |
2712 | { | |
2713 | s32 ret_val; | |
2714 | u16 program_retries; | |
2715 | ||
2716 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2717 | if (!ret_val) | |
2718 | return ret_val; | |
2719 | ||
2720 | for (program_retries = 0; program_retries < 100; program_retries++) { | |
3bb99fe2 | 2721 | e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset); |
bc7f75fa AK |
2722 | udelay(100); |
2723 | ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte); | |
2724 | if (!ret_val) | |
2725 | break; | |
2726 | } | |
2727 | if (program_retries == 100) | |
2728 | return -E1000_ERR_NVM; | |
2729 | ||
2730 | return 0; | |
2731 | } | |
2732 | ||
2733 | /** | |
2734 | * e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM | |
2735 | * @hw: pointer to the HW structure | |
2736 | * @bank: 0 for first bank, 1 for second bank, etc. | |
2737 | * | |
2738 | * Erases the bank specified. Each bank is a 4k block. Banks are 0 based. | |
2739 | * bank N is 4096 * N + flash_reg_addr. | |
2740 | **/ | |
2741 | static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) | |
2742 | { | |
2743 | struct e1000_nvm_info *nvm = &hw->nvm; | |
2744 | union ich8_hws_flash_status hsfsts; | |
2745 | union ich8_hws_flash_ctrl hsflctl; | |
2746 | u32 flash_linear_addr; | |
2747 | /* bank size is in 16bit words - adjust to bytes */ | |
2748 | u32 flash_bank_size = nvm->flash_bank_size * 2; | |
2749 | s32 ret_val; | |
2750 | s32 count = 0; | |
a708dd88 | 2751 | s32 j, iteration, sector_size; |
bc7f75fa AK |
2752 | |
2753 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); | |
2754 | ||
ad68076e BA |
2755 | /* |
2756 | * Determine HW Sector size: Read BERASE bits of hw flash status | |
2757 | * register | |
2758 | * 00: The Hw sector is 256 bytes, hence we need to erase 16 | |
bc7f75fa AK |
2759 | * consecutive sectors. The start index for the nth Hw sector |
2760 | * can be calculated as = bank * 4096 + n * 256 | |
2761 | * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector. | |
2762 | * The start index for the nth Hw sector can be calculated | |
2763 | * as = bank * 4096 | |
2764 | * 10: The Hw sector is 8K bytes, nth sector = bank * 8192 | |
2765 | * (ich9 only, otherwise error condition) | |
2766 | * 11: The Hw sector is 64K bytes, nth sector = bank * 65536 | |
2767 | */ | |
2768 | switch (hsfsts.hsf_status.berasesz) { | |
2769 | case 0: | |
2770 | /* Hw sector size 256 */ | |
2771 | sector_size = ICH_FLASH_SEG_SIZE_256; | |
2772 | iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256; | |
2773 | break; | |
2774 | case 1: | |
2775 | sector_size = ICH_FLASH_SEG_SIZE_4K; | |
28c9195a | 2776 | iteration = 1; |
bc7f75fa AK |
2777 | break; |
2778 | case 2: | |
148675a7 BA |
2779 | sector_size = ICH_FLASH_SEG_SIZE_8K; |
2780 | iteration = 1; | |
bc7f75fa AK |
2781 | break; |
2782 | case 3: | |
2783 | sector_size = ICH_FLASH_SEG_SIZE_64K; | |
28c9195a | 2784 | iteration = 1; |
bc7f75fa AK |
2785 | break; |
2786 | default: | |
2787 | return -E1000_ERR_NVM; | |
2788 | } | |
2789 | ||
2790 | /* Start with the base address, then add the sector offset. */ | |
2791 | flash_linear_addr = hw->nvm.flash_base_addr; | |
148675a7 | 2792 | flash_linear_addr += (bank) ? flash_bank_size : 0; |
bc7f75fa AK |
2793 | |
2794 | for (j = 0; j < iteration ; j++) { | |
2795 | do { | |
2796 | /* Steps */ | |
2797 | ret_val = e1000_flash_cycle_init_ich8lan(hw); | |
2798 | if (ret_val) | |
2799 | return ret_val; | |
2800 | ||
ad68076e BA |
2801 | /* |
2802 | * Write a value 11 (block Erase) in Flash | |
2803 | * Cycle field in hw flash control | |
2804 | */ | |
bc7f75fa AK |
2805 | hsflctl.regval = er16flash(ICH_FLASH_HSFCTL); |
2806 | hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE; | |
2807 | ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval); | |
2808 | ||
ad68076e BA |
2809 | /* |
2810 | * Write the last 24 bits of an index within the | |
bc7f75fa AK |
2811 | * block into Flash Linear address field in Flash |
2812 | * Address. | |
2813 | */ | |
2814 | flash_linear_addr += (j * sector_size); | |
2815 | ew32flash(ICH_FLASH_FADDR, flash_linear_addr); | |
2816 | ||
2817 | ret_val = e1000_flash_cycle_ich8lan(hw, | |
2818 | ICH_FLASH_ERASE_COMMAND_TIMEOUT); | |
2819 | if (ret_val == 0) | |
2820 | break; | |
2821 | ||
ad68076e BA |
2822 | /* |
2823 | * Check if FCERR is set to 1. If 1, | |
bc7f75fa | 2824 | * clear it and try the whole sequence |
ad68076e BA |
2825 | * a few more times else Done |
2826 | */ | |
bc7f75fa AK |
2827 | hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); |
2828 | if (hsfsts.hsf_status.flcerr == 1) | |
ad68076e | 2829 | /* repeat for some time before giving up */ |
bc7f75fa AK |
2830 | continue; |
2831 | else if (hsfsts.hsf_status.flcdone == 0) | |
2832 | return ret_val; | |
2833 | } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT); | |
2834 | } | |
2835 | ||
2836 | return 0; | |
2837 | } | |
2838 | ||
2839 | /** | |
2840 | * e1000_valid_led_default_ich8lan - Set the default LED settings | |
2841 | * @hw: pointer to the HW structure | |
2842 | * @data: Pointer to the LED settings | |
2843 | * | |
2844 | * Reads the LED default settings from the NVM to data. If the NVM LED | |
2845 | * settings is all 0's or F's, set the LED default to a valid LED default | |
2846 | * setting. | |
2847 | **/ | |
2848 | static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data) | |
2849 | { | |
2850 | s32 ret_val; | |
2851 | ||
2852 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); | |
2853 | if (ret_val) { | |
3bb99fe2 | 2854 | e_dbg("NVM Read Error\n"); |
bc7f75fa AK |
2855 | return ret_val; |
2856 | } | |
2857 | ||
2858 | if (*data == ID_LED_RESERVED_0000 || | |
2859 | *data == ID_LED_RESERVED_FFFF) | |
2860 | *data = ID_LED_DEFAULT_ICH8LAN; | |
2861 | ||
2862 | return 0; | |
2863 | } | |
2864 | ||
a4f58f54 BA |
2865 | /** |
2866 | * e1000_id_led_init_pchlan - store LED configurations | |
2867 | * @hw: pointer to the HW structure | |
2868 | * | |
2869 | * PCH does not control LEDs via the LEDCTL register, rather it uses | |
2870 | * the PHY LED configuration register. | |
2871 | * | |
2872 | * PCH also does not have an "always on" or "always off" mode which | |
2873 | * complicates the ID feature. Instead of using the "on" mode to indicate | |
2874 | * in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init()), | |
2875 | * use "link_up" mode. The LEDs will still ID on request if there is no | |
2876 | * link based on logic in e1000_led_[on|off]_pchlan(). | |
2877 | **/ | |
2878 | static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) | |
2879 | { | |
2880 | struct e1000_mac_info *mac = &hw->mac; | |
2881 | s32 ret_val; | |
2882 | const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP; | |
2883 | const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT; | |
2884 | u16 data, i, temp, shift; | |
2885 | ||
2886 | /* Get default ID LED modes */ | |
2887 | ret_val = hw->nvm.ops.valid_led_default(hw, &data); | |
2888 | if (ret_val) | |
2889 | goto out; | |
2890 | ||
2891 | mac->ledctl_default = er32(LEDCTL); | |
2892 | mac->ledctl_mode1 = mac->ledctl_default; | |
2893 | mac->ledctl_mode2 = mac->ledctl_default; | |
2894 | ||
2895 | for (i = 0; i < 4; i++) { | |
2896 | temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK; | |
2897 | shift = (i * 5); | |
2898 | switch (temp) { | |
2899 | case ID_LED_ON1_DEF2: | |
2900 | case ID_LED_ON1_ON2: | |
2901 | case ID_LED_ON1_OFF2: | |
2902 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2903 | mac->ledctl_mode1 |= (ledctl_on << shift); | |
2904 | break; | |
2905 | case ID_LED_OFF1_DEF2: | |
2906 | case ID_LED_OFF1_ON2: | |
2907 | case ID_LED_OFF1_OFF2: | |
2908 | mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); | |
2909 | mac->ledctl_mode1 |= (ledctl_off << shift); | |
2910 | break; | |
2911 | default: | |
2912 | /* Do nothing */ | |
2913 | break; | |
2914 | } | |
2915 | switch (temp) { | |
2916 | case ID_LED_DEF1_ON2: | |
2917 | case ID_LED_ON1_ON2: | |
2918 | case ID_LED_OFF1_ON2: | |
2919 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2920 | mac->ledctl_mode2 |= (ledctl_on << shift); | |
2921 | break; | |
2922 | case ID_LED_DEF1_OFF2: | |
2923 | case ID_LED_ON1_OFF2: | |
2924 | case ID_LED_OFF1_OFF2: | |
2925 | mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); | |
2926 | mac->ledctl_mode2 |= (ledctl_off << shift); | |
2927 | break; | |
2928 | default: | |
2929 | /* Do nothing */ | |
2930 | break; | |
2931 | } | |
2932 | } | |
2933 | ||
2934 | out: | |
2935 | return ret_val; | |
2936 | } | |
2937 | ||
bc7f75fa AK |
2938 | /** |
2939 | * e1000_get_bus_info_ich8lan - Get/Set the bus type and width | |
2940 | * @hw: pointer to the HW structure | |
2941 | * | |
2942 | * ICH8 use the PCI Express bus, but does not contain a PCI Express Capability | |
2943 | * register, so the the bus width is hard coded. | |
2944 | **/ | |
2945 | static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) | |
2946 | { | |
2947 | struct e1000_bus_info *bus = &hw->bus; | |
2948 | s32 ret_val; | |
2949 | ||
2950 | ret_val = e1000e_get_bus_info_pcie(hw); | |
2951 | ||
ad68076e BA |
2952 | /* |
2953 | * ICH devices are "PCI Express"-ish. They have | |
bc7f75fa AK |
2954 | * a configuration space, but do not contain |
2955 | * PCI Express Capability registers, so bus width | |
2956 | * must be hardcoded. | |
2957 | */ | |
2958 | if (bus->width == e1000_bus_width_unknown) | |
2959 | bus->width = e1000_bus_width_pcie_x1; | |
2960 | ||
2961 | return ret_val; | |
2962 | } | |
2963 | ||
2964 | /** | |
2965 | * e1000_reset_hw_ich8lan - Reset the hardware | |
2966 | * @hw: pointer to the HW structure | |
2967 | * | |
2968 | * Does a full reset of the hardware which includes a reset of the PHY and | |
2969 | * MAC. | |
2970 | **/ | |
2971 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |
2972 | { | |
1d5846b9 | 2973 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; |
db2932ec | 2974 | u16 reg; |
bc7f75fa AK |
2975 | u32 ctrl, icr, kab; |
2976 | s32 ret_val; | |
2977 | ||
ad68076e BA |
2978 | /* |
2979 | * Prevent the PCI-E bus from sticking if there is no TLP connection | |
bc7f75fa AK |
2980 | * on the last TLP read/write transaction when MAC is reset. |
2981 | */ | |
2982 | ret_val = e1000e_disable_pcie_master(hw); | |
e98cac44 | 2983 | if (ret_val) |
3bb99fe2 | 2984 | e_dbg("PCI-E Master disable polling has failed.\n"); |
bc7f75fa | 2985 | |
3bb99fe2 | 2986 | e_dbg("Masking off all interrupts\n"); |
bc7f75fa AK |
2987 | ew32(IMC, 0xffffffff); |
2988 | ||
ad68076e BA |
2989 | /* |
2990 | * Disable the Transmit and Receive units. Then delay to allow | |
bc7f75fa AK |
2991 | * any pending transactions to complete before we hit the MAC |
2992 | * with the global reset. | |
2993 | */ | |
2994 | ew32(RCTL, 0); | |
2995 | ew32(TCTL, E1000_TCTL_PSP); | |
2996 | e1e_flush(); | |
2997 | ||
2998 | msleep(10); | |
2999 | ||
3000 | /* Workaround for ICH8 bit corruption issue in FIFO memory */ | |
3001 | if (hw->mac.type == e1000_ich8lan) { | |
3002 | /* Set Tx and Rx buffer allocation to 8k apiece. */ | |
3003 | ew32(PBA, E1000_PBA_8K); | |
3004 | /* Set Packet Buffer Size to 16k. */ | |
3005 | ew32(PBS, E1000_PBS_16K); | |
3006 | } | |
3007 | ||
1d5846b9 BA |
3008 | if (hw->mac.type == e1000_pchlan) { |
3009 | /* Save the NVM K1 bit setting*/ | |
3010 | ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); | |
3011 | if (ret_val) | |
3012 | return ret_val; | |
3013 | ||
3014 | if (reg & E1000_NVM_K1_ENABLE) | |
3015 | dev_spec->nvm_k1_enabled = true; | |
3016 | else | |
3017 | dev_spec->nvm_k1_enabled = false; | |
3018 | } | |
3019 | ||
bc7f75fa AK |
3020 | ctrl = er32(CTRL); |
3021 | ||
3022 | if (!e1000_check_reset_block(hw)) { | |
ad68076e | 3023 | /* |
e98cac44 | 3024 | * Full-chip reset requires MAC and PHY reset at the same |
bc7f75fa AK |
3025 | * time to make sure the interface between MAC and the |
3026 | * external PHY is reset. | |
3027 | */ | |
3028 | ctrl |= E1000_CTRL_PHY_RST; | |
605c82ba BA |
3029 | |
3030 | /* | |
3031 | * Gate automatic PHY configuration by hardware on | |
3032 | * non-managed 82579 | |
3033 | */ | |
3034 | if ((hw->mac.type == e1000_pch2lan) && | |
3035 | !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) | |
3036 | e1000_gate_hw_phy_config_ich8lan(hw, true); | |
bc7f75fa AK |
3037 | } |
3038 | ret_val = e1000_acquire_swflag_ich8lan(hw); | |
3bb99fe2 | 3039 | e_dbg("Issuing a global reset to ich8lan\n"); |
bc7f75fa AK |
3040 | ew32(CTRL, (ctrl | E1000_CTRL_RST)); |
3041 | msleep(20); | |
3042 | ||
fc0c7760 | 3043 | if (!ret_val) |
30bb0e0d | 3044 | e1000_release_swflag_ich8lan(hw); |
37f40239 | 3045 | |
e98cac44 | 3046 | if (ctrl & E1000_CTRL_PHY_RST) { |
fc0c7760 | 3047 | ret_val = hw->phy.ops.get_cfg_done(hw); |
e98cac44 BA |
3048 | if (ret_val) |
3049 | goto out; | |
fc0c7760 | 3050 | |
e98cac44 | 3051 | ret_val = e1000_post_phy_reset_ich8lan(hw); |
f523d211 BA |
3052 | if (ret_val) |
3053 | goto out; | |
3054 | } | |
e98cac44 | 3055 | |
7d3cabbc BA |
3056 | /* |
3057 | * For PCH, this write will make sure that any noise | |
3058 | * will be detected as a CRC error and be dropped rather than show up | |
3059 | * as a bad packet to the DMA engine. | |
3060 | */ | |
3061 | if (hw->mac.type == e1000_pchlan) | |
3062 | ew32(CRC_OFFSET, 0x65656565); | |
3063 | ||
bc7f75fa AK |
3064 | ew32(IMC, 0xffffffff); |
3065 | icr = er32(ICR); | |
3066 | ||
3067 | kab = er32(KABGTXD); | |
3068 | kab |= E1000_KABGTXD_BGSQLBIAS; | |
3069 | ew32(KABGTXD, kab); | |
3070 | ||
f523d211 | 3071 | out: |
bc7f75fa AK |
3072 | return ret_val; |
3073 | } | |
3074 | ||
3075 | /** | |
3076 | * e1000_init_hw_ich8lan - Initialize the hardware | |
3077 | * @hw: pointer to the HW structure | |
3078 | * | |
3079 | * Prepares the hardware for transmit and receive by doing the following: | |
3080 | * - initialize hardware bits | |
3081 | * - initialize LED identification | |
3082 | * - setup receive address registers | |
3083 | * - setup flow control | |
489815ce | 3084 | * - setup transmit descriptors |
bc7f75fa AK |
3085 | * - clear statistics |
3086 | **/ | |
3087 | static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) | |
3088 | { | |
3089 | struct e1000_mac_info *mac = &hw->mac; | |
3090 | u32 ctrl_ext, txdctl, snoop; | |
3091 | s32 ret_val; | |
3092 | u16 i; | |
3093 | ||
3094 | e1000_initialize_hw_bits_ich8lan(hw); | |
3095 | ||
3096 | /* Initialize identification LED */ | |
a4f58f54 | 3097 | ret_val = mac->ops.id_led_init(hw); |
de39b752 | 3098 | if (ret_val) |
3bb99fe2 | 3099 | e_dbg("Error initializing identification LED\n"); |
de39b752 | 3100 | /* This is not fatal and we should not stop init due to this */ |
bc7f75fa AK |
3101 | |
3102 | /* Setup the receive address. */ | |
3103 | e1000e_init_rx_addrs(hw, mac->rar_entry_count); | |
3104 | ||
3105 | /* Zero out the Multicast HASH table */ | |
3bb99fe2 | 3106 | e_dbg("Zeroing the MTA\n"); |
bc7f75fa AK |
3107 | for (i = 0; i < mac->mta_reg_count; i++) |
3108 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); | |
3109 | ||
fc0c7760 BA |
3110 | /* |
3111 | * The 82578 Rx buffer will stall if wakeup is enabled in host and | |
3112 | * the ME. Reading the BM_WUC register will clear the host wakeup bit. | |
3113 | * Reset the phy after disabling host wakeup to reset the Rx buffer. | |
3114 | */ | |
3115 | if (hw->phy.type == e1000_phy_82578) { | |
94d8186a | 3116 | hw->phy.ops.read_reg(hw, BM_WUC, &i); |
fc0c7760 BA |
3117 | ret_val = e1000_phy_hw_reset_ich8lan(hw); |
3118 | if (ret_val) | |
3119 | return ret_val; | |
3120 | } | |
3121 | ||
bc7f75fa AK |
3122 | /* Setup link and flow control */ |
3123 | ret_val = e1000_setup_link_ich8lan(hw); | |
3124 | ||
3125 | /* Set the transmit descriptor write-back policy for both queues */ | |
e9ec2c0f | 3126 | txdctl = er32(TXDCTL(0)); |
bc7f75fa AK |
3127 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
3128 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
3129 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
3130 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f JK |
3131 | ew32(TXDCTL(0), txdctl); |
3132 | txdctl = er32(TXDCTL(1)); | |
bc7f75fa AK |
3133 | txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) | |
3134 | E1000_TXDCTL_FULL_TX_DESC_WB; | |
3135 | txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) | | |
3136 | E1000_TXDCTL_MAX_TX_DESC_PREFETCH; | |
e9ec2c0f | 3137 | ew32(TXDCTL(1), txdctl); |
bc7f75fa | 3138 | |
ad68076e BA |
3139 | /* |
3140 | * ICH8 has opposite polarity of no_snoop bits. | |
3141 | * By default, we should use snoop behavior. | |
3142 | */ | |
bc7f75fa AK |
3143 | if (mac->type == e1000_ich8lan) |
3144 | snoop = PCIE_ICH8_SNOOP_ALL; | |
3145 | else | |
3146 | snoop = (u32) ~(PCIE_NO_SNOOP_ALL); | |
3147 | e1000e_set_pcie_no_snoop(hw, snoop); | |
3148 | ||
3149 | ctrl_ext = er32(CTRL_EXT); | |
3150 | ctrl_ext |= E1000_CTRL_EXT_RO_DIS; | |
3151 | ew32(CTRL_EXT, ctrl_ext); | |
3152 | ||
ad68076e BA |
3153 | /* |
3154 | * Clear all of the statistics registers (clear on read). It is | |
bc7f75fa AK |
3155 | * important that we do this after we have tried to establish link |
3156 | * because the symbol error count will increment wildly if there | |
3157 | * is no link. | |
3158 | */ | |
3159 | e1000_clear_hw_cntrs_ich8lan(hw); | |
3160 | ||
3161 | return 0; | |
3162 | } | |
3163 | /** | |
3164 | * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits | |
3165 | * @hw: pointer to the HW structure | |
3166 | * | |
3167 | * Sets/Clears required hardware bits necessary for correctly setting up the | |
3168 | * hardware for transmit and receive. | |
3169 | **/ | |
3170 | static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) | |
3171 | { | |
3172 | u32 reg; | |
3173 | ||
3174 | /* Extended Device Control */ | |
3175 | reg = er32(CTRL_EXT); | |
3176 | reg |= (1 << 22); | |
a4f58f54 BA |
3177 | /* Enable PHY low-power state when MAC is at D3 w/o WoL */ |
3178 | if (hw->mac.type >= e1000_pchlan) | |
3179 | reg |= E1000_CTRL_EXT_PHYPDEN; | |
bc7f75fa AK |
3180 | ew32(CTRL_EXT, reg); |
3181 | ||
3182 | /* Transmit Descriptor Control 0 */ | |
e9ec2c0f | 3183 | reg = er32(TXDCTL(0)); |
bc7f75fa | 3184 | reg |= (1 << 22); |
e9ec2c0f | 3185 | ew32(TXDCTL(0), reg); |
bc7f75fa AK |
3186 | |
3187 | /* Transmit Descriptor Control 1 */ | |
e9ec2c0f | 3188 | reg = er32(TXDCTL(1)); |
bc7f75fa | 3189 | reg |= (1 << 22); |
e9ec2c0f | 3190 | ew32(TXDCTL(1), reg); |
bc7f75fa AK |
3191 | |
3192 | /* Transmit Arbitration Control 0 */ | |
e9ec2c0f | 3193 | reg = er32(TARC(0)); |
bc7f75fa AK |
3194 | if (hw->mac.type == e1000_ich8lan) |
3195 | reg |= (1 << 28) | (1 << 29); | |
3196 | reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27); | |
e9ec2c0f | 3197 | ew32(TARC(0), reg); |
bc7f75fa AK |
3198 | |
3199 | /* Transmit Arbitration Control 1 */ | |
e9ec2c0f | 3200 | reg = er32(TARC(1)); |
bc7f75fa AK |
3201 | if (er32(TCTL) & E1000_TCTL_MULR) |
3202 | reg &= ~(1 << 28); | |
3203 | else | |
3204 | reg |= (1 << 28); | |
3205 | reg |= (1 << 24) | (1 << 26) | (1 << 30); | |
e9ec2c0f | 3206 | ew32(TARC(1), reg); |
bc7f75fa AK |
3207 | |
3208 | /* Device Status */ | |
3209 | if (hw->mac.type == e1000_ich8lan) { | |
3210 | reg = er32(STATUS); | |
3211 | reg &= ~(1 << 31); | |
3212 | ew32(STATUS, reg); | |
3213 | } | |
a80483d3 JB |
3214 | |
3215 | /* | |
3216 | * work-around descriptor data corruption issue during nfs v2 udp | |
3217 | * traffic, just disable the nfs filtering capability | |
3218 | */ | |
3219 | reg = er32(RFCTL); | |
3220 | reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS); | |
3221 | ew32(RFCTL, reg); | |
bc7f75fa AK |
3222 | } |
3223 | ||
3224 | /** | |
3225 | * e1000_setup_link_ich8lan - Setup flow control and link settings | |
3226 | * @hw: pointer to the HW structure | |
3227 | * | |
3228 | * Determines which flow control settings to use, then configures flow | |
3229 | * control. Calls the appropriate media-specific link configuration | |
3230 | * function. Assuming the adapter has a valid link partner, a valid link | |
3231 | * should be established. Assumes the hardware has previously been reset | |
3232 | * and the transmitter and receiver are not enabled. | |
3233 | **/ | |
3234 | static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) | |
3235 | { | |
bc7f75fa AK |
3236 | s32 ret_val; |
3237 | ||
3238 | if (e1000_check_reset_block(hw)) | |
3239 | return 0; | |
3240 | ||
ad68076e BA |
3241 | /* |
3242 | * ICH parts do not have a word in the NVM to determine | |
bc7f75fa AK |
3243 | * the default flow control setting, so we explicitly |
3244 | * set it to full. | |
3245 | */ | |
37289d9c BA |
3246 | if (hw->fc.requested_mode == e1000_fc_default) { |
3247 | /* Workaround h/w hang when Tx flow control enabled */ | |
3248 | if (hw->mac.type == e1000_pchlan) | |
3249 | hw->fc.requested_mode = e1000_fc_rx_pause; | |
3250 | else | |
3251 | hw->fc.requested_mode = e1000_fc_full; | |
3252 | } | |
bc7f75fa | 3253 | |
5c48ef3e BA |
3254 | /* |
3255 | * Save off the requested flow control mode for use later. Depending | |
3256 | * on the link partner's capabilities, we may or may not use this mode. | |
3257 | */ | |
3258 | hw->fc.current_mode = hw->fc.requested_mode; | |
bc7f75fa | 3259 | |
3bb99fe2 | 3260 | e_dbg("After fix-ups FlowControl is now = %x\n", |
5c48ef3e | 3261 | hw->fc.current_mode); |
bc7f75fa AK |
3262 | |
3263 | /* Continue to configure the copper link. */ | |
3264 | ret_val = e1000_setup_copper_link_ich8lan(hw); | |
3265 | if (ret_val) | |
3266 | return ret_val; | |
3267 | ||
318a94d6 | 3268 | ew32(FCTTV, hw->fc.pause_time); |
a4f58f54 | 3269 | if ((hw->phy.type == e1000_phy_82578) || |
d3738bb8 | 3270 | (hw->phy.type == e1000_phy_82579) || |
a4f58f54 | 3271 | (hw->phy.type == e1000_phy_82577)) { |
a305595b BA |
3272 | ew32(FCRTV_PCH, hw->fc.refresh_time); |
3273 | ||
94d8186a | 3274 | ret_val = hw->phy.ops.write_reg(hw, |
a4f58f54 BA |
3275 | PHY_REG(BM_PORT_CTRL_PAGE, 27), |
3276 | hw->fc.pause_time); | |
3277 | if (ret_val) | |
3278 | return ret_val; | |
3279 | } | |
bc7f75fa AK |
3280 | |
3281 | return e1000e_set_fc_watermarks(hw); | |
3282 | } | |
3283 | ||
3284 | /** | |
3285 | * e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface | |
3286 | * @hw: pointer to the HW structure | |
3287 | * | |
3288 | * Configures the kumeran interface to the PHY to wait the appropriate time | |
3289 | * when polling the PHY, then call the generic setup_copper_link to finish | |
3290 | * configuring the copper link. | |
3291 | **/ | |
3292 | static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) | |
3293 | { | |
3294 | u32 ctrl; | |
3295 | s32 ret_val; | |
3296 | u16 reg_data; | |
3297 | ||
3298 | ctrl = er32(CTRL); | |
3299 | ctrl |= E1000_CTRL_SLU; | |
3300 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); | |
3301 | ew32(CTRL, ctrl); | |
3302 | ||
ad68076e BA |
3303 | /* |
3304 | * Set the mac to wait the maximum time between each iteration | |
bc7f75fa | 3305 | * and increase the max iterations when polling the phy; |
ad68076e BA |
3306 | * this fixes erroneous timeouts at 10Mbps. |
3307 | */ | |
07818950 | 3308 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF); |
bc7f75fa AK |
3309 | if (ret_val) |
3310 | return ret_val; | |
07818950 BA |
3311 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
3312 | ®_data); | |
bc7f75fa AK |
3313 | if (ret_val) |
3314 | return ret_val; | |
3315 | reg_data |= 0x3F; | |
07818950 BA |
3316 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |
3317 | reg_data); | |
bc7f75fa AK |
3318 | if (ret_val) |
3319 | return ret_val; | |
3320 | ||
a4f58f54 BA |
3321 | switch (hw->phy.type) { |
3322 | case e1000_phy_igp_3: | |
bc7f75fa AK |
3323 | ret_val = e1000e_copper_link_setup_igp(hw); |
3324 | if (ret_val) | |
3325 | return ret_val; | |
a4f58f54 BA |
3326 | break; |
3327 | case e1000_phy_bm: | |
3328 | case e1000_phy_82578: | |
97ac8cae BA |
3329 | ret_val = e1000e_copper_link_setup_m88(hw); |
3330 | if (ret_val) | |
3331 | return ret_val; | |
a4f58f54 BA |
3332 | break; |
3333 | case e1000_phy_82577: | |
d3738bb8 | 3334 | case e1000_phy_82579: |
a4f58f54 BA |
3335 | ret_val = e1000_copper_link_setup_82577(hw); |
3336 | if (ret_val) | |
3337 | return ret_val; | |
3338 | break; | |
3339 | case e1000_phy_ife: | |
94d8186a | 3340 | ret_val = hw->phy.ops.read_reg(hw, IFE_PHY_MDIX_CONTROL, |
a4f58f54 | 3341 | ®_data); |
97ac8cae BA |
3342 | if (ret_val) |
3343 | return ret_val; | |
3344 | ||
3345 | reg_data &= ~IFE_PMC_AUTO_MDIX; | |
3346 | ||
3347 | switch (hw->phy.mdix) { | |
3348 | case 1: | |
3349 | reg_data &= ~IFE_PMC_FORCE_MDIX; | |
3350 | break; | |
3351 | case 2: | |
3352 | reg_data |= IFE_PMC_FORCE_MDIX; | |
3353 | break; | |
3354 | case 0: | |
3355 | default: | |
3356 | reg_data |= IFE_PMC_AUTO_MDIX; | |
3357 | break; | |
3358 | } | |
94d8186a | 3359 | ret_val = hw->phy.ops.write_reg(hw, IFE_PHY_MDIX_CONTROL, |
a4f58f54 | 3360 | reg_data); |
97ac8cae BA |
3361 | if (ret_val) |
3362 | return ret_val; | |
a4f58f54 BA |
3363 | break; |
3364 | default: | |
3365 | break; | |
97ac8cae | 3366 | } |
bc7f75fa AK |
3367 | return e1000e_setup_copper_link(hw); |
3368 | } | |
3369 | ||
3370 | /** | |
3371 | * e1000_get_link_up_info_ich8lan - Get current link speed and duplex | |
3372 | * @hw: pointer to the HW structure | |
3373 | * @speed: pointer to store current link speed | |
3374 | * @duplex: pointer to store the current link duplex | |
3375 | * | |
ad68076e | 3376 | * Calls the generic get_speed_and_duplex to retrieve the current link |
bc7f75fa AK |
3377 | * information and then calls the Kumeran lock loss workaround for links at |
3378 | * gigabit speeds. | |
3379 | **/ | |
3380 | static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, | |
3381 | u16 *duplex) | |
3382 | { | |
3383 | s32 ret_val; | |
3384 | ||
3385 | ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex); | |
3386 | if (ret_val) | |
3387 | return ret_val; | |
3388 | ||
3389 | if ((hw->mac.type == e1000_ich8lan) && | |
3390 | (hw->phy.type == e1000_phy_igp_3) && | |
3391 | (*speed == SPEED_1000)) { | |
3392 | ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw); | |
3393 | } | |
3394 | ||
3395 | return ret_val; | |
3396 | } | |
3397 | ||
3398 | /** | |
3399 | * e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround | |
3400 | * @hw: pointer to the HW structure | |
3401 | * | |
3402 | * Work-around for 82566 Kumeran PCS lock loss: | |
3403 | * On link status change (i.e. PCI reset, speed change) and link is up and | |
3404 | * speed is gigabit- | |
3405 | * 0) if workaround is optionally disabled do nothing | |
3406 | * 1) wait 1ms for Kumeran link to come up | |
3407 | * 2) check Kumeran Diagnostic register PCS lock loss bit | |
3408 | * 3) if not set the link is locked (all is good), otherwise... | |
3409 | * 4) reset the PHY | |
3410 | * 5) repeat up to 10 times | |
3411 | * Note: this is only called for IGP3 copper when speed is 1gb. | |
3412 | **/ | |
3413 | static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) | |
3414 | { | |
3415 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3416 | u32 phy_ctrl; | |
3417 | s32 ret_val; | |
3418 | u16 i, data; | |
3419 | bool link; | |
3420 | ||
3421 | if (!dev_spec->kmrn_lock_loss_workaround_enabled) | |
3422 | return 0; | |
3423 | ||
ad68076e BA |
3424 | /* |
3425 | * Make sure link is up before proceeding. If not just return. | |
bc7f75fa | 3426 | * Attempting this while link is negotiating fouled up link |
ad68076e BA |
3427 | * stability |
3428 | */ | |
bc7f75fa AK |
3429 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
3430 | if (!link) | |
3431 | return 0; | |
3432 | ||
3433 | for (i = 0; i < 10; i++) { | |
3434 | /* read once to clear */ | |
3435 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
3436 | if (ret_val) | |
3437 | return ret_val; | |
3438 | /* and again to get new status */ | |
3439 | ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data); | |
3440 | if (ret_val) | |
3441 | return ret_val; | |
3442 | ||
3443 | /* check for PCS lock */ | |
3444 | if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS)) | |
3445 | return 0; | |
3446 | ||
3447 | /* Issue PHY reset */ | |
3448 | e1000_phy_hw_reset(hw); | |
3449 | mdelay(5); | |
3450 | } | |
3451 | /* Disable GigE link negotiation */ | |
3452 | phy_ctrl = er32(PHY_CTRL); | |
3453 | phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE | | |
3454 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
3455 | ew32(PHY_CTRL, phy_ctrl); | |
3456 | ||
ad68076e BA |
3457 | /* |
3458 | * Call gig speed drop workaround on Gig disable before accessing | |
3459 | * any PHY registers | |
3460 | */ | |
bc7f75fa AK |
3461 | e1000e_gig_downshift_workaround_ich8lan(hw); |
3462 | ||
3463 | /* unable to acquire PCS lock */ | |
3464 | return -E1000_ERR_PHY; | |
3465 | } | |
3466 | ||
3467 | /** | |
ad68076e | 3468 | * e1000_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state |
bc7f75fa | 3469 | * @hw: pointer to the HW structure |
489815ce | 3470 | * @state: boolean value used to set the current Kumeran workaround state |
bc7f75fa | 3471 | * |
564ea9bb BA |
3472 | * If ICH8, set the current Kumeran workaround state (enabled - true |
3473 | * /disabled - false). | |
bc7f75fa AK |
3474 | **/ |
3475 | void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, | |
3476 | bool state) | |
3477 | { | |
3478 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | |
3479 | ||
3480 | if (hw->mac.type != e1000_ich8lan) { | |
3bb99fe2 | 3481 | e_dbg("Workaround applies to ICH8 only.\n"); |
bc7f75fa AK |
3482 | return; |
3483 | } | |
3484 | ||
3485 | dev_spec->kmrn_lock_loss_workaround_enabled = state; | |
3486 | } | |
3487 | ||
3488 | /** | |
3489 | * e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3 | |
3490 | * @hw: pointer to the HW structure | |
3491 | * | |
3492 | * Workaround for 82566 power-down on D3 entry: | |
3493 | * 1) disable gigabit link | |
3494 | * 2) write VR power-down enable | |
3495 | * 3) read it back | |
3496 | * Continue if successful, else issue LCD reset and repeat | |
3497 | **/ | |
3498 | void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) | |
3499 | { | |
3500 | u32 reg; | |
3501 | u16 data; | |
3502 | u8 retry = 0; | |
3503 | ||
3504 | if (hw->phy.type != e1000_phy_igp_3) | |
3505 | return; | |
3506 | ||
3507 | /* Try the workaround twice (if needed) */ | |
3508 | do { | |
3509 | /* Disable link */ | |
3510 | reg = er32(PHY_CTRL); | |
3511 | reg |= (E1000_PHY_CTRL_GBE_DISABLE | | |
3512 | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); | |
3513 | ew32(PHY_CTRL, reg); | |
3514 | ||
ad68076e BA |
3515 | /* |
3516 | * Call gig speed drop workaround on Gig disable before | |
3517 | * accessing any PHY registers | |
3518 | */ | |
bc7f75fa AK |
3519 | if (hw->mac.type == e1000_ich8lan) |
3520 | e1000e_gig_downshift_workaround_ich8lan(hw); | |
3521 | ||
3522 | /* Write VR power-down enable */ | |
3523 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3524 | data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3525 | e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN); | |
3526 | ||
3527 | /* Read it back and test */ | |
3528 | e1e_rphy(hw, IGP3_VR_CTRL, &data); | |
3529 | data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK; | |
3530 | if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry) | |
3531 | break; | |
3532 | ||
3533 | /* Issue PHY reset and repeat at most one more time */ | |
3534 | reg = er32(CTRL); | |
3535 | ew32(CTRL, reg | E1000_CTRL_PHY_RST); | |
3536 | retry++; | |
3537 | } while (retry); | |
3538 | } | |
3539 | ||
3540 | /** | |
3541 | * e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working | |
3542 | * @hw: pointer to the HW structure | |
3543 | * | |
3544 | * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC), | |
489815ce | 3545 | * LPLU, Gig disable, MDIC PHY reset): |
bc7f75fa AK |
3546 | * 1) Set Kumeran Near-end loopback |
3547 | * 2) Clear Kumeran Near-end loopback | |
3548 | * Should only be called for ICH8[m] devices with IGP_3 Phy. | |
3549 | **/ | |
3550 | void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) | |
3551 | { | |
3552 | s32 ret_val; | |
3553 | u16 reg_data; | |
3554 | ||
3555 | if ((hw->mac.type != e1000_ich8lan) || | |
3556 | (hw->phy.type != e1000_phy_igp_3)) | |
3557 | return; | |
3558 | ||
3559 | ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3560 | ®_data); | |
3561 | if (ret_val) | |
3562 | return; | |
3563 | reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3564 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3565 | reg_data); | |
3566 | if (ret_val) | |
3567 | return; | |
3568 | reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK; | |
3569 | ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, | |
3570 | reg_data); | |
3571 | } | |
3572 | ||
97ac8cae BA |
3573 | /** |
3574 | * e1000e_disable_gig_wol_ich8lan - disable gig during WoL | |
3575 | * @hw: pointer to the HW structure | |
3576 | * | |
3577 | * During S0 to Sx transition, it is possible the link remains at gig | |
3578 | * instead of negotiating to a lower speed. Before going to Sx, set | |
3579 | * 'LPLU Enabled' and 'Gig Disable' to force link speed negotiation | |
3580 | * to a lower speed. | |
3581 | * | |
a4f58f54 | 3582 | * Should only be called for applicable parts. |
97ac8cae BA |
3583 | **/ |
3584 | void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) | |
3585 | { | |
3586 | u32 phy_ctrl; | |
8395ae83 | 3587 | s32 ret_val; |
97ac8cae | 3588 | |
17f085df BA |
3589 | phy_ctrl = er32(PHY_CTRL); |
3590 | phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE; | |
3591 | ew32(PHY_CTRL, phy_ctrl); | |
a4f58f54 | 3592 | |
8395ae83 BA |
3593 | if (hw->mac.type >= e1000_pchlan) { |
3594 | e1000_oem_bits_config_ich8lan(hw, true); | |
3595 | ret_val = hw->phy.ops.acquire(hw); | |
3596 | if (ret_val) | |
3597 | return; | |
3598 | e1000_write_smbus_addr(hw); | |
3599 | hw->phy.ops.release(hw); | |
3600 | } | |
97ac8cae BA |
3601 | } |
3602 | ||
bc7f75fa AK |
3603 | /** |
3604 | * e1000_cleanup_led_ich8lan - Restore the default LED operation | |
3605 | * @hw: pointer to the HW structure | |
3606 | * | |
3607 | * Return the LED back to the default configuration. | |
3608 | **/ | |
3609 | static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw) | |
3610 | { | |
3611 | if (hw->phy.type == e1000_phy_ife) | |
3612 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); | |
3613 | ||
3614 | ew32(LEDCTL, hw->mac.ledctl_default); | |
3615 | return 0; | |
3616 | } | |
3617 | ||
3618 | /** | |
489815ce | 3619 | * e1000_led_on_ich8lan - Turn LEDs on |
bc7f75fa AK |
3620 | * @hw: pointer to the HW structure |
3621 | * | |
489815ce | 3622 | * Turn on the LEDs. |
bc7f75fa AK |
3623 | **/ |
3624 | static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) | |
3625 | { | |
3626 | if (hw->phy.type == e1000_phy_ife) | |
3627 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3628 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON)); | |
3629 | ||
3630 | ew32(LEDCTL, hw->mac.ledctl_mode2); | |
3631 | return 0; | |
3632 | } | |
3633 | ||
3634 | /** | |
489815ce | 3635 | * e1000_led_off_ich8lan - Turn LEDs off |
bc7f75fa AK |
3636 | * @hw: pointer to the HW structure |
3637 | * | |
489815ce | 3638 | * Turn off the LEDs. |
bc7f75fa AK |
3639 | **/ |
3640 | static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) | |
3641 | { | |
3642 | if (hw->phy.type == e1000_phy_ife) | |
3643 | return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, | |
3644 | (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF)); | |
3645 | ||
3646 | ew32(LEDCTL, hw->mac.ledctl_mode1); | |
3647 | return 0; | |
3648 | } | |
3649 | ||
a4f58f54 BA |
3650 | /** |
3651 | * e1000_setup_led_pchlan - Configures SW controllable LED | |
3652 | * @hw: pointer to the HW structure | |
3653 | * | |
3654 | * This prepares the SW controllable LED for use. | |
3655 | **/ | |
3656 | static s32 e1000_setup_led_pchlan(struct e1000_hw *hw) | |
3657 | { | |
94d8186a | 3658 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, |
a4f58f54 BA |
3659 | (u16)hw->mac.ledctl_mode1); |
3660 | } | |
3661 | ||
3662 | /** | |
3663 | * e1000_cleanup_led_pchlan - Restore the default LED operation | |
3664 | * @hw: pointer to the HW structure | |
3665 | * | |
3666 | * Return the LED back to the default configuration. | |
3667 | **/ | |
3668 | static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw) | |
3669 | { | |
94d8186a | 3670 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, |
a4f58f54 BA |
3671 | (u16)hw->mac.ledctl_default); |
3672 | } | |
3673 | ||
3674 | /** | |
3675 | * e1000_led_on_pchlan - Turn LEDs on | |
3676 | * @hw: pointer to the HW structure | |
3677 | * | |
3678 | * Turn on the LEDs. | |
3679 | **/ | |
3680 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw) | |
3681 | { | |
3682 | u16 data = (u16)hw->mac.ledctl_mode2; | |
3683 | u32 i, led; | |
3684 | ||
3685 | /* | |
3686 | * If no link, then turn LED on by setting the invert bit | |
3687 | * for each LED that's mode is "link_up" in ledctl_mode2. | |
3688 | */ | |
3689 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3690 | for (i = 0; i < 3; i++) { | |
3691 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3692 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3693 | E1000_LEDCTL_MODE_LINK_UP) | |
3694 | continue; | |
3695 | if (led & E1000_PHY_LED0_IVRT) | |
3696 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3697 | else | |
3698 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3699 | } | |
3700 | } | |
3701 | ||
94d8186a | 3702 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
3703 | } |
3704 | ||
3705 | /** | |
3706 | * e1000_led_off_pchlan - Turn LEDs off | |
3707 | * @hw: pointer to the HW structure | |
3708 | * | |
3709 | * Turn off the LEDs. | |
3710 | **/ | |
3711 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw) | |
3712 | { | |
3713 | u16 data = (u16)hw->mac.ledctl_mode1; | |
3714 | u32 i, led; | |
3715 | ||
3716 | /* | |
3717 | * If no link, then turn LED off by clearing the invert bit | |
3718 | * for each LED that's mode is "link_up" in ledctl_mode1. | |
3719 | */ | |
3720 | if (!(er32(STATUS) & E1000_STATUS_LU)) { | |
3721 | for (i = 0; i < 3; i++) { | |
3722 | led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; | |
3723 | if ((led & E1000_PHY_LED0_MODE_MASK) != | |
3724 | E1000_LEDCTL_MODE_LINK_UP) | |
3725 | continue; | |
3726 | if (led & E1000_PHY_LED0_IVRT) | |
3727 | data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); | |
3728 | else | |
3729 | data |= (E1000_PHY_LED0_IVRT << (i * 5)); | |
3730 | } | |
3731 | } | |
3732 | ||
94d8186a | 3733 | return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data); |
a4f58f54 BA |
3734 | } |
3735 | ||
f4187b56 | 3736 | /** |
e98cac44 | 3737 | * e1000_get_cfg_done_ich8lan - Read config done bit after Full or PHY reset |
f4187b56 BA |
3738 | * @hw: pointer to the HW structure |
3739 | * | |
e98cac44 BA |
3740 | * Read appropriate register for the config done bit for completion status |
3741 | * and configure the PHY through s/w for EEPROM-less parts. | |
3742 | * | |
3743 | * NOTE: some silicon which is EEPROM-less will fail trying to read the | |
3744 | * config done bit, so only an error is logged and continues. If we were | |
3745 | * to return with error, EEPROM-less silicon would not be able to be reset | |
3746 | * or change link. | |
f4187b56 BA |
3747 | **/ |
3748 | static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) | |
3749 | { | |
e98cac44 | 3750 | s32 ret_val = 0; |
f4187b56 | 3751 | u32 bank = 0; |
e98cac44 | 3752 | u32 status; |
f4187b56 | 3753 | |
e98cac44 | 3754 | e1000e_get_cfg_done(hw); |
fc0c7760 | 3755 | |
e98cac44 BA |
3756 | /* Wait for indication from h/w that it has completed basic config */ |
3757 | if (hw->mac.type >= e1000_ich10lan) { | |
3758 | e1000_lan_init_done_ich8lan(hw); | |
3759 | } else { | |
3760 | ret_val = e1000e_get_auto_rd_done(hw); | |
3761 | if (ret_val) { | |
3762 | /* | |
3763 | * When auto config read does not complete, do not | |
3764 | * return with an error. This can happen in situations | |
3765 | * where there is no eeprom and prevents getting link. | |
3766 | */ | |
3767 | e_dbg("Auto Read Done did not complete\n"); | |
3768 | ret_val = 0; | |
3769 | } | |
fc0c7760 BA |
3770 | } |
3771 | ||
e98cac44 BA |
3772 | /* Clear PHY Reset Asserted bit */ |
3773 | status = er32(STATUS); | |
3774 | if (status & E1000_STATUS_PHYRA) | |
3775 | ew32(STATUS, status & ~E1000_STATUS_PHYRA); | |
3776 | else | |
3777 | e_dbg("PHY Reset Asserted not set - needs delay\n"); | |
f4187b56 BA |
3778 | |
3779 | /* If EEPROM is not marked present, init the IGP 3 PHY manually */ | |
e98cac44 | 3780 | if (hw->mac.type <= e1000_ich9lan) { |
f4187b56 BA |
3781 | if (((er32(EECD) & E1000_EECD_PRES) == 0) && |
3782 | (hw->phy.type == e1000_phy_igp_3)) { | |
3783 | e1000e_phy_init_script_igp3(hw); | |
3784 | } | |
3785 | } else { | |
3786 | if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) { | |
3787 | /* Maybe we should do a basic PHY config */ | |
3bb99fe2 | 3788 | e_dbg("EEPROM not present\n"); |
e98cac44 | 3789 | ret_val = -E1000_ERR_CONFIG; |
f4187b56 BA |
3790 | } |
3791 | } | |
3792 | ||
e98cac44 | 3793 | return ret_val; |
f4187b56 BA |
3794 | } |
3795 | ||
17f208de BA |
3796 | /** |
3797 | * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down | |
3798 | * @hw: pointer to the HW structure | |
3799 | * | |
3800 | * In the case of a PHY power down to save power, or to turn off link during a | |
3801 | * driver unload, or wake on lan is not enabled, remove the link. | |
3802 | **/ | |
3803 | static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw) | |
3804 | { | |
3805 | /* If the management interface is not enabled, then power down */ | |
3806 | if (!(hw->mac.ops.check_mng_mode(hw) || | |
3807 | hw->phy.ops.check_reset_block(hw))) | |
3808 | e1000_power_down_phy_copper(hw); | |
17f208de BA |
3809 | } |
3810 | ||
bc7f75fa AK |
3811 | /** |
3812 | * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters | |
3813 | * @hw: pointer to the HW structure | |
3814 | * | |
3815 | * Clears hardware counters specific to the silicon family and calls | |
3816 | * clear_hw_cntrs_generic to clear all general purpose counters. | |
3817 | **/ | |
3818 | static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) | |
3819 | { | |
a4f58f54 | 3820 | u16 phy_data; |
bc7f75fa AK |
3821 | |
3822 | e1000e_clear_hw_cntrs_base(hw); | |
3823 | ||
99673d9b BA |
3824 | er32(ALGNERRC); |
3825 | er32(RXERRC); | |
3826 | er32(TNCRS); | |
3827 | er32(CEXTERR); | |
3828 | er32(TSCTC); | |
3829 | er32(TSCTFC); | |
bc7f75fa | 3830 | |
99673d9b BA |
3831 | er32(MGTPRC); |
3832 | er32(MGTPDC); | |
3833 | er32(MGTPTC); | |
bc7f75fa | 3834 | |
99673d9b BA |
3835 | er32(IAC); |
3836 | er32(ICRXOC); | |
bc7f75fa | 3837 | |
a4f58f54 BA |
3838 | /* Clear PHY statistics registers */ |
3839 | if ((hw->phy.type == e1000_phy_82578) || | |
d3738bb8 | 3840 | (hw->phy.type == e1000_phy_82579) || |
a4f58f54 | 3841 | (hw->phy.type == e1000_phy_82577)) { |
94d8186a BA |
3842 | hw->phy.ops.read_reg(hw, HV_SCC_UPPER, &phy_data); |
3843 | hw->phy.ops.read_reg(hw, HV_SCC_LOWER, &phy_data); | |
3844 | hw->phy.ops.read_reg(hw, HV_ECOL_UPPER, &phy_data); | |
3845 | hw->phy.ops.read_reg(hw, HV_ECOL_LOWER, &phy_data); | |
3846 | hw->phy.ops.read_reg(hw, HV_MCC_UPPER, &phy_data); | |
3847 | hw->phy.ops.read_reg(hw, HV_MCC_LOWER, &phy_data); | |
3848 | hw->phy.ops.read_reg(hw, HV_LATECOL_UPPER, &phy_data); | |
3849 | hw->phy.ops.read_reg(hw, HV_LATECOL_LOWER, &phy_data); | |
3850 | hw->phy.ops.read_reg(hw, HV_COLC_UPPER, &phy_data); | |
3851 | hw->phy.ops.read_reg(hw, HV_COLC_LOWER, &phy_data); | |
3852 | hw->phy.ops.read_reg(hw, HV_DC_UPPER, &phy_data); | |
3853 | hw->phy.ops.read_reg(hw, HV_DC_LOWER, &phy_data); | |
3854 | hw->phy.ops.read_reg(hw, HV_TNCRS_UPPER, &phy_data); | |
3855 | hw->phy.ops.read_reg(hw, HV_TNCRS_LOWER, &phy_data); | |
a4f58f54 | 3856 | } |
bc7f75fa AK |
3857 | } |
3858 | ||
3859 | static struct e1000_mac_operations ich8_mac_ops = { | |
a4f58f54 | 3860 | .id_led_init = e1000e_id_led_init, |
eb7700dc | 3861 | /* check_mng_mode dependent on mac type */ |
7d3cabbc | 3862 | .check_for_link = e1000_check_for_copper_link_ich8lan, |
a4f58f54 | 3863 | /* cleanup_led dependent on mac type */ |
bc7f75fa AK |
3864 | .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, |
3865 | .get_bus_info = e1000_get_bus_info_ich8lan, | |
f4d2dd4c | 3866 | .set_lan_id = e1000_set_lan_id_single_port, |
bc7f75fa | 3867 | .get_link_up_info = e1000_get_link_up_info_ich8lan, |
a4f58f54 BA |
3868 | /* led_on dependent on mac type */ |
3869 | /* led_off dependent on mac type */ | |
e2de3eb6 | 3870 | .update_mc_addr_list = e1000e_update_mc_addr_list_generic, |
bc7f75fa AK |
3871 | .reset_hw = e1000_reset_hw_ich8lan, |
3872 | .init_hw = e1000_init_hw_ich8lan, | |
3873 | .setup_link = e1000_setup_link_ich8lan, | |
3874 | .setup_physical_interface= e1000_setup_copper_link_ich8lan, | |
a4f58f54 | 3875 | /* id_led_init dependent on mac type */ |
bc7f75fa AK |
3876 | }; |
3877 | ||
3878 | static struct e1000_phy_operations ich8_phy_ops = { | |
94d8186a | 3879 | .acquire = e1000_acquire_swflag_ich8lan, |
bc7f75fa | 3880 | .check_reset_block = e1000_check_reset_block_ich8lan, |
94d8186a | 3881 | .commit = NULL, |
f4187b56 | 3882 | .get_cfg_done = e1000_get_cfg_done_ich8lan, |
bc7f75fa | 3883 | .get_cable_length = e1000e_get_cable_length_igp_2, |
94d8186a BA |
3884 | .read_reg = e1000e_read_phy_reg_igp, |
3885 | .release = e1000_release_swflag_ich8lan, | |
3886 | .reset = e1000_phy_hw_reset_ich8lan, | |
bc7f75fa AK |
3887 | .set_d0_lplu_state = e1000_set_d0_lplu_state_ich8lan, |
3888 | .set_d3_lplu_state = e1000_set_d3_lplu_state_ich8lan, | |
94d8186a | 3889 | .write_reg = e1000e_write_phy_reg_igp, |
bc7f75fa AK |
3890 | }; |
3891 | ||
3892 | static struct e1000_nvm_operations ich8_nvm_ops = { | |
94d8186a BA |
3893 | .acquire = e1000_acquire_nvm_ich8lan, |
3894 | .read = e1000_read_nvm_ich8lan, | |
3895 | .release = e1000_release_nvm_ich8lan, | |
3896 | .update = e1000_update_nvm_checksum_ich8lan, | |
bc7f75fa | 3897 | .valid_led_default = e1000_valid_led_default_ich8lan, |
94d8186a BA |
3898 | .validate = e1000_validate_nvm_checksum_ich8lan, |
3899 | .write = e1000_write_nvm_ich8lan, | |
bc7f75fa AK |
3900 | }; |
3901 | ||
3902 | struct e1000_info e1000_ich8_info = { | |
3903 | .mac = e1000_ich8lan, | |
3904 | .flags = FLAG_HAS_WOL | |
97ac8cae | 3905 | | FLAG_IS_ICH |
bc7f75fa AK |
3906 | | FLAG_RX_CSUM_ENABLED |
3907 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3908 | | FLAG_HAS_AMT | |
3909 | | FLAG_HAS_FLASH | |
3910 | | FLAG_APME_IN_WUC, | |
3911 | .pba = 8, | |
2adc55c9 | 3912 | .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, |
69e3fd8c | 3913 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3914 | .mac_ops = &ich8_mac_ops, |
3915 | .phy_ops = &ich8_phy_ops, | |
3916 | .nvm_ops = &ich8_nvm_ops, | |
3917 | }; | |
3918 | ||
3919 | struct e1000_info e1000_ich9_info = { | |
3920 | .mac = e1000_ich9lan, | |
3921 | .flags = FLAG_HAS_JUMBO_FRAMES | |
97ac8cae | 3922 | | FLAG_IS_ICH |
bc7f75fa AK |
3923 | | FLAG_HAS_WOL |
3924 | | FLAG_RX_CSUM_ENABLED | |
3925 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3926 | | FLAG_HAS_AMT | |
3927 | | FLAG_HAS_ERT | |
3928 | | FLAG_HAS_FLASH | |
3929 | | FLAG_APME_IN_WUC, | |
3930 | .pba = 10, | |
2adc55c9 | 3931 | .max_hw_frame_size = DEFAULT_JUMBO, |
69e3fd8c | 3932 | .get_variants = e1000_get_variants_ich8lan, |
bc7f75fa AK |
3933 | .mac_ops = &ich8_mac_ops, |
3934 | .phy_ops = &ich8_phy_ops, | |
3935 | .nvm_ops = &ich8_nvm_ops, | |
3936 | }; | |
3937 | ||
f4187b56 BA |
3938 | struct e1000_info e1000_ich10_info = { |
3939 | .mac = e1000_ich10lan, | |
3940 | .flags = FLAG_HAS_JUMBO_FRAMES | |
3941 | | FLAG_IS_ICH | |
3942 | | FLAG_HAS_WOL | |
3943 | | FLAG_RX_CSUM_ENABLED | |
3944 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3945 | | FLAG_HAS_AMT | |
3946 | | FLAG_HAS_ERT | |
3947 | | FLAG_HAS_FLASH | |
3948 | | FLAG_APME_IN_WUC, | |
3949 | .pba = 10, | |
2adc55c9 | 3950 | .max_hw_frame_size = DEFAULT_JUMBO, |
f4187b56 BA |
3951 | .get_variants = e1000_get_variants_ich8lan, |
3952 | .mac_ops = &ich8_mac_ops, | |
3953 | .phy_ops = &ich8_phy_ops, | |
3954 | .nvm_ops = &ich8_nvm_ops, | |
3955 | }; | |
a4f58f54 BA |
3956 | |
3957 | struct e1000_info e1000_pch_info = { | |
3958 | .mac = e1000_pchlan, | |
3959 | .flags = FLAG_IS_ICH | |
3960 | | FLAG_HAS_WOL | |
3961 | | FLAG_RX_CSUM_ENABLED | |
3962 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3963 | | FLAG_HAS_AMT | |
3964 | | FLAG_HAS_FLASH | |
3965 | | FLAG_HAS_JUMBO_FRAMES | |
38eb394e | 3966 | | FLAG_DISABLE_FC_PAUSE_TIME /* errata */ |
a4f58f54 | 3967 | | FLAG_APME_IN_WUC, |
8c7bbb92 | 3968 | .flags2 = FLAG2_HAS_PHY_STATS, |
a4f58f54 BA |
3969 | .pba = 26, |
3970 | .max_hw_frame_size = 4096, | |
3971 | .get_variants = e1000_get_variants_ich8lan, | |
3972 | .mac_ops = &ich8_mac_ops, | |
3973 | .phy_ops = &ich8_phy_ops, | |
3974 | .nvm_ops = &ich8_nvm_ops, | |
3975 | }; | |
d3738bb8 BA |
3976 | |
3977 | struct e1000_info e1000_pch2_info = { | |
3978 | .mac = e1000_pch2lan, | |
3979 | .flags = FLAG_IS_ICH | |
3980 | | FLAG_HAS_WOL | |
3981 | | FLAG_RX_CSUM_ENABLED | |
3982 | | FLAG_HAS_CTRLEXT_ON_LOAD | |
3983 | | FLAG_HAS_AMT | |
3984 | | FLAG_HAS_FLASH | |
3985 | | FLAG_HAS_JUMBO_FRAMES | |
3986 | | FLAG_APME_IN_WUC, | |
e52997f9 BA |
3987 | .flags2 = FLAG2_HAS_PHY_STATS |
3988 | | FLAG2_HAS_EEE, | |
828bac87 | 3989 | .pba = 26, |
d3738bb8 BA |
3990 | .max_hw_frame_size = DEFAULT_JUMBO, |
3991 | .get_variants = e1000_get_variants_ich8lan, | |
3992 | .mac_ops = &ich8_mac_ops, | |
3993 | .phy_ops = &ich8_phy_ops, | |
3994 | .nvm_ops = &ich8_nvm_ops, | |
3995 | }; |