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e1000e: Expand workaround for 10Mb HD throughput bug
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1/* Intel PRO/1000 Linux driver
2 * Copyright(c) 1999 - 2014 Intel Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * The full GNU General Public License is included in this distribution in
14 * the file called "COPYING".
15 *
16 * Contact Information:
17 * Linux NICS <linux.nics@intel.com>
18 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
19 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
20 */
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21
22#ifndef _E1000E_ICH8LAN_H_
23#define _E1000E_ICH8LAN_H_
24
25#define ICH_FLASH_GFPREG 0x0000
26#define ICH_FLASH_HSFSTS 0x0004
27#define ICH_FLASH_HSFCTL 0x0006
28#define ICH_FLASH_FADDR 0x0008
29#define ICH_FLASH_FDATA0 0x0010
30#define ICH_FLASH_PR0 0x0074
31
32/* Requires up to 10 seconds when MNG might be accessing part. */
33#define ICH_FLASH_READ_COMMAND_TIMEOUT 10000000
34#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 10000000
35#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 10000000
36#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF
37#define ICH_FLASH_CYCLE_REPEAT_COUNT 10
38
39#define ICH_CYCLE_READ 0
40#define ICH_CYCLE_WRITE 2
41#define ICH_CYCLE_ERASE 3
42
43#define FLASH_GFPREG_BASE_MASK 0x1FFF
44#define FLASH_SECTOR_ADDR_SHIFT 12
45
46#define ICH_FLASH_SEG_SIZE_256 256
47#define ICH_FLASH_SEG_SIZE_4K 4096
48#define ICH_FLASH_SEG_SIZE_8K 8192
49#define ICH_FLASH_SEG_SIZE_64K 65536
50
51#define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
52/* FW established a valid mode */
53#define E1000_ICH_FWSM_FW_VALID 0x00008000
54#define E1000_ICH_FWSM_PCIM2PCI 0x01000000 /* ME PCIm-to-PCI active */
55#define E1000_ICH_FWSM_PCIM2PCI_COUNT 2000
56
57#define E1000_ICH_MNG_IAMT_MODE 0x2
58
59#define E1000_FWSM_WLOCK_MAC_MASK 0x0380
60#define E1000_FWSM_WLOCK_MAC_SHIFT 7
74f350ee 61#define E1000_FWSM_ULP_CFG_DONE 0x00000400 /* Low power cfg done */
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62
63/* Shared Receive Address Registers */
64#define E1000_SHRAL_PCH_LPT(_i) (0x05408 + ((_i) * 8))
65#define E1000_SHRAH_PCH_LPT(_i) (0x0540C + ((_i) * 8))
66
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67#define E1000_H2ME 0x05B50 /* Host to ME */
68#define E1000_H2ME_ULP 0x00000800 /* ULP Indication Bit */
69#define E1000_H2ME_ENFORCE_SETTINGS 0x00001000 /* Enforce Settings */
70
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71#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \
72 (ID_LED_OFF1_OFF2 << 8) | \
73 (ID_LED_OFF1_ON2 << 4) | \
74 (ID_LED_DEF1_DEF2))
75
76#define E1000_ICH_NVM_SIG_WORD 0x13
77#define E1000_ICH_NVM_SIG_MASK 0xC000
78#define E1000_ICH_NVM_VALID_SIG_MASK 0xC0
79#define E1000_ICH_NVM_SIG_VALUE 0x80
80
81#define E1000_ICH8_LAN_INIT_TIMEOUT 1500
82
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83/* FEXT register bit definition */
84#define E1000_FEXT_PHY_CABLE_DISCONNECTED 0x00000004
85
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86#define E1000_FEXTNVM_SW_CONFIG 1
87#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* different on ICH8M */
88
89#define E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK 0x0C000000
90#define E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC 0x08000000
91
92#define E1000_FEXTNVM4_BEACON_DURATION_MASK 0x7
93#define E1000_FEXTNVM4_BEACON_DURATION_8USEC 0x7
94#define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3
95
e08f626b 96#define E1000_FEXTNVM6_REQ_PLL_CLK 0x00000100
e0236ad9 97#define E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION 0x00000200
e08f626b 98
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99#define E1000_FEXTNVM7_DISABLE_SMB_PERST 0x00000020
100
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101#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
102
103#define E1000_ICH_RAR_ENTRIES 7
96dee024 104#define E1000_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */
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105#define E1000_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */
106
107#define PHY_PAGE_SHIFT 5
108#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
109 ((reg) & MAX_PHY_REG_ADDRESS))
110#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */
111#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */
112
113#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002
114#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
115#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200
116
117/* PHY Wakeup Registers and defines */
118#define BM_PORT_GEN_CFG PHY_REG(BM_PORT_CTRL_PAGE, 17)
119#define BM_RCTL PHY_REG(BM_WUC_PAGE, 0)
120#define BM_WUC PHY_REG(BM_WUC_PAGE, 1)
121#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2)
122#define BM_WUS PHY_REG(BM_WUC_PAGE, 3)
123#define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2)))
124#define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2)))
125#define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2)))
126#define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2)))
127#define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1)))
128
129#define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */
130#define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */
131#define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */
132#define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */
133#define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */
134#define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */
135#define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */
136
137#define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */
138#define HV_MUX_DATA_CTRL PHY_REG(776, 16)
139#define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400
140#define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004
141#define HV_STATS_PAGE 778
142/* Half-duplex collision counts */
143#define HV_SCC_UPPER PHY_REG(HV_STATS_PAGE, 16) /* Single Collision */
144#define HV_SCC_LOWER PHY_REG(HV_STATS_PAGE, 17)
145#define HV_ECOL_UPPER PHY_REG(HV_STATS_PAGE, 18) /* Excessive Coll. */
146#define HV_ECOL_LOWER PHY_REG(HV_STATS_PAGE, 19)
147#define HV_MCC_UPPER PHY_REG(HV_STATS_PAGE, 20) /* Multiple Collision */
148#define HV_MCC_LOWER PHY_REG(HV_STATS_PAGE, 21)
149#define HV_LATECOL_UPPER PHY_REG(HV_STATS_PAGE, 23) /* Late Collision */
150#define HV_LATECOL_LOWER PHY_REG(HV_STATS_PAGE, 24)
151#define HV_COLC_UPPER PHY_REG(HV_STATS_PAGE, 25) /* Collision */
152#define HV_COLC_LOWER PHY_REG(HV_STATS_PAGE, 26)
153#define HV_DC_UPPER PHY_REG(HV_STATS_PAGE, 27) /* Defer Count */
154#define HV_DC_LOWER PHY_REG(HV_STATS_PAGE, 28)
155#define HV_TNCRS_UPPER PHY_REG(HV_STATS_PAGE, 29) /* Tx with no CRS */
156#define HV_TNCRS_LOWER PHY_REG(HV_STATS_PAGE, 30)
157
158#define E1000_FCRTV_PCH 0x05F40 /* PCH Flow Control Refresh Timer Value */
159
160#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
161#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */
162
163/* SMBus Control Phy Register */
164#define CV_SMB_CTRL PHY_REG(769, 23)
165#define CV_SMB_CTRL_FORCE_SMBUS 0x0001
166
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167/* I218 Ultra Low Power Configuration 1 Register */
168#define I218_ULP_CONFIG1 PHY_REG(779, 16)
169#define I218_ULP_CONFIG1_START 0x0001 /* Start auto ULP config */
170#define I218_ULP_CONFIG1_IND 0x0004 /* Pwr up from ULP indication */
171#define I218_ULP_CONFIG1_STICKY_ULP 0x0010 /* Set sticky ULP mode */
172#define I218_ULP_CONFIG1_INBAND_EXIT 0x0020 /* Inband on ULP exit */
173#define I218_ULP_CONFIG1_WOL_HOST 0x0040 /* WoL Host on ULP exit */
174#define I218_ULP_CONFIG1_RESET_TO_SMBUS 0x0100 /* Reset to SMBus mode */
175#define I218_ULP_CONFIG1_DISABLE_SMB_PERST 0x1000 /* Disable on PERST# */
176
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177/* SMBus Address Phy Register */
178#define HV_SMB_ADDR PHY_REG(768, 26)
179#define HV_SMB_ADDR_MASK 0x007F
180#define HV_SMB_ADDR_PEC_EN 0x0200
181#define HV_SMB_ADDR_VALID 0x0080
182#define HV_SMB_ADDR_FREQ_MASK 0x1100
183#define HV_SMB_ADDR_FREQ_LOW_SHIFT 8
184#define HV_SMB_ADDR_FREQ_HIGH_SHIFT 12
185
186/* Strapping Option Register - RO */
187#define E1000_STRAP 0x0000C
188#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000
189#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
190#define E1000_STRAP_SMT_FREQ_MASK 0x00003000
191#define E1000_STRAP_SMT_FREQ_SHIFT 12
192
193/* OEM Bits Phy Register */
194#define HV_OEM_BITS PHY_REG(768, 25)
195#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */
196#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */
197#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
198
199/* KMRN Mode Control */
200#define HV_KMRN_MODE_CTRL PHY_REG(769, 16)
201#define HV_KMRN_MDIO_SLOW 0x0400
202
203/* KMRN FIFO Control and Status */
204#define HV_KMRN_FIFO_CTRLSTA PHY_REG(770, 16)
205#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK 0x7000
206#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT 12
207
208/* PHY Power Management Control */
209#define HV_PM_CTRL PHY_REG(770, 17)
210#define HV_PM_CTRL_PLL_STOP_IN_K1_GIGA 0x100
74f350ee 211#define HV_PM_CTRL_K1_ENABLE 0x4000
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212
213#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in ms */
214
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215/* Inband Control */
216#define I217_INBAND_CTRL PHY_REG(770, 18)
217#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK 0x3F00
218#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT 8
219
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220/* PHY Low Power Idle Control */
221#define I82579_LPI_CTRL PHY_REG(772, 20)
222#define I82579_LPI_CTRL_100_ENABLE 0x2000
223#define I82579_LPI_CTRL_1000_ENABLE 0x4000
224#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
225#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
226
227/* Extended Management Interface (EMI) Registers */
228#define I82579_EMI_ADDR 0x10
229#define I82579_EMI_DATA 0x11
230#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
231#define I82579_MSE_THRESHOLD 0x084F /* 82579 Mean Square Error Threshold */
232#define I82577_MSE_THRESHOLD 0x0887 /* 82577 Mean Square Error Threshold */
233#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */
772d05c5 234#define I82579_RX_CONFIG 0x3412 /* Receive configuration */
d495bcb8 235#define I82579_EEE_PCS_STATUS 0x182E /* IEEE MMD Register 3.1 >> 8 */
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236#define I82579_EEE_CAPABILITY 0x0410 /* IEEE MMD Register 3.20 */
237#define I82579_EEE_ADVERTISEMENT 0x040E /* IEEE MMD Register 7.60 */
238#define I82579_EEE_LP_ABILITY 0x040F /* IEEE MMD Register 7.61 */
239#define I82579_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE */
240#define I82579_EEE_1000_SUPPORTED (1 << 2) /* 1000BaseTx EEE */
241#define I217_EEE_PCS_STATUS 0x9401 /* IEEE MMD Register 3.1 */
242#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */
243#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
244#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
fbb9ab10 245#define I217_RX_CONFIG 0xB20C /* Receive configuration */
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246
247#define E1000_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */
248#define E1000_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */
249
250/* Intel Rapid Start Technology Support */
251#define I217_PROXY_CTRL BM_PHY_REG(BM_WUC_PAGE, 70)
252#define I217_PROXY_CTRL_AUTO_DISABLE 0x0080
253#define I217_SxCTRL PHY_REG(BM_PORT_CTRL_PAGE, 28)
254#define I217_SxCTRL_ENABLE_LPI_RESET 0x1000
255#define I217_CGFREG PHY_REG(772, 29)
256#define I217_CGFREG_ENABLE_MTA_RESET 0x0002
257#define I217_MEMPWR PHY_REG(772, 26)
258#define I217_MEMPWR_DISABLE_SMB_RELEASE 0x0010
259
260/* Receive Address Initial CRC Calculation */
261#define E1000_PCH_RAICC(_n) (0x05F50 + ((_n) * 4))
262
263/* Latency Tolerance Reporting */
264#define E1000_LTRV 0x000F8
265#define E1000_LTRV_SCALE_MAX 5
266#define E1000_LTRV_SCALE_FACTOR 5
267#define E1000_LTRV_REQ_SHIFT 15
268#define E1000_LTRV_NOSNOOP_SHIFT 16
269#define E1000_LTRV_SEND (1 << 30)
270
271/* Proprietary Latency Tolerance Reporting PCI Capability */
272#define E1000_PCI_LTR_CAP_LPT 0xA8
273
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274void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw);
275void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
276 bool state);
277void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
278void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
279void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw);
280void e1000_resume_workarounds_pchlan(struct e1000_hw *hw);
281s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
282void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw);
283s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable);
284s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data);
d495bcb8 285s32 e1000_write_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 data);
a03206ed 286s32 e1000_set_eee_pchlan(struct e1000_hw *hw);
74f350ee 287s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx);
1b41db37 288#endif /* _E1000E_ICH8LAN_H_ */