e1000e: long access timeouts when I217/I218 MAC and PHY are out of sync
[deliverable/linux.git] / drivers / net / ethernet / intel / e1000e / ich8lan.h
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1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2013 Intel Corporation.
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#ifndef _E1000E_ICH8LAN_H_
30#define _E1000E_ICH8LAN_H_
31
32#define ICH_FLASH_GFPREG 0x0000
33#define ICH_FLASH_HSFSTS 0x0004
34#define ICH_FLASH_HSFCTL 0x0006
35#define ICH_FLASH_FADDR 0x0008
36#define ICH_FLASH_FDATA0 0x0010
37#define ICH_FLASH_PR0 0x0074
38
39/* Requires up to 10 seconds when MNG might be accessing part. */
40#define ICH_FLASH_READ_COMMAND_TIMEOUT 10000000
41#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 10000000
42#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 10000000
43#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF
44#define ICH_FLASH_CYCLE_REPEAT_COUNT 10
45
46#define ICH_CYCLE_READ 0
47#define ICH_CYCLE_WRITE 2
48#define ICH_CYCLE_ERASE 3
49
50#define FLASH_GFPREG_BASE_MASK 0x1FFF
51#define FLASH_SECTOR_ADDR_SHIFT 12
52
53#define ICH_FLASH_SEG_SIZE_256 256
54#define ICH_FLASH_SEG_SIZE_4K 4096
55#define ICH_FLASH_SEG_SIZE_8K 8192
56#define ICH_FLASH_SEG_SIZE_64K 65536
57
58#define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
59/* FW established a valid mode */
60#define E1000_ICH_FWSM_FW_VALID 0x00008000
61#define E1000_ICH_FWSM_PCIM2PCI 0x01000000 /* ME PCIm-to-PCI active */
62#define E1000_ICH_FWSM_PCIM2PCI_COUNT 2000
63
64#define E1000_ICH_MNG_IAMT_MODE 0x2
65
66#define E1000_FWSM_WLOCK_MAC_MASK 0x0380
67#define E1000_FWSM_WLOCK_MAC_SHIFT 7
68
69/* Shared Receive Address Registers */
70#define E1000_SHRAL_PCH_LPT(_i) (0x05408 + ((_i) * 8))
71#define E1000_SHRAH_PCH_LPT(_i) (0x0540C + ((_i) * 8))
72
73#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \
74 (ID_LED_OFF1_OFF2 << 8) | \
75 (ID_LED_OFF1_ON2 << 4) | \
76 (ID_LED_DEF1_DEF2))
77
78#define E1000_ICH_NVM_SIG_WORD 0x13
79#define E1000_ICH_NVM_SIG_MASK 0xC000
80#define E1000_ICH_NVM_VALID_SIG_MASK 0xC0
81#define E1000_ICH_NVM_SIG_VALUE 0x80
82
83#define E1000_ICH8_LAN_INIT_TIMEOUT 1500
84
85#define E1000_FEXTNVM_SW_CONFIG 1
86#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* different on ICH8M */
87
88#define E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK 0x0C000000
89#define E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC 0x08000000
90
91#define E1000_FEXTNVM4_BEACON_DURATION_MASK 0x7
92#define E1000_FEXTNVM4_BEACON_DURATION_8USEC 0x7
93#define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3
94
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95#define E1000_FEXTNVM6_REQ_PLL_CLK 0x00000100
96
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97#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
98
99#define E1000_ICH_RAR_ENTRIES 7
100#define E1000_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */
101#define E1000_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */
102
103#define PHY_PAGE_SHIFT 5
104#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
105 ((reg) & MAX_PHY_REG_ADDRESS))
106#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */
107#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */
108
109#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002
110#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
111#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200
112
113/* PHY Wakeup Registers and defines */
114#define BM_PORT_GEN_CFG PHY_REG(BM_PORT_CTRL_PAGE, 17)
115#define BM_RCTL PHY_REG(BM_WUC_PAGE, 0)
116#define BM_WUC PHY_REG(BM_WUC_PAGE, 1)
117#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2)
118#define BM_WUS PHY_REG(BM_WUC_PAGE, 3)
119#define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2)))
120#define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2)))
121#define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2)))
122#define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2)))
123#define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1)))
124
125#define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */
126#define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */
127#define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */
128#define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */
129#define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */
130#define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */
131#define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */
132
133#define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */
134#define HV_MUX_DATA_CTRL PHY_REG(776, 16)
135#define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400
136#define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004
137#define HV_STATS_PAGE 778
138/* Half-duplex collision counts */
139#define HV_SCC_UPPER PHY_REG(HV_STATS_PAGE, 16) /* Single Collision */
140#define HV_SCC_LOWER PHY_REG(HV_STATS_PAGE, 17)
141#define HV_ECOL_UPPER PHY_REG(HV_STATS_PAGE, 18) /* Excessive Coll. */
142#define HV_ECOL_LOWER PHY_REG(HV_STATS_PAGE, 19)
143#define HV_MCC_UPPER PHY_REG(HV_STATS_PAGE, 20) /* Multiple Collision */
144#define HV_MCC_LOWER PHY_REG(HV_STATS_PAGE, 21)
145#define HV_LATECOL_UPPER PHY_REG(HV_STATS_PAGE, 23) /* Late Collision */
146#define HV_LATECOL_LOWER PHY_REG(HV_STATS_PAGE, 24)
147#define HV_COLC_UPPER PHY_REG(HV_STATS_PAGE, 25) /* Collision */
148#define HV_COLC_LOWER PHY_REG(HV_STATS_PAGE, 26)
149#define HV_DC_UPPER PHY_REG(HV_STATS_PAGE, 27) /* Defer Count */
150#define HV_DC_LOWER PHY_REG(HV_STATS_PAGE, 28)
151#define HV_TNCRS_UPPER PHY_REG(HV_STATS_PAGE, 29) /* Tx with no CRS */
152#define HV_TNCRS_LOWER PHY_REG(HV_STATS_PAGE, 30)
153
154#define E1000_FCRTV_PCH 0x05F40 /* PCH Flow Control Refresh Timer Value */
155
156#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
157#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */
158
159/* SMBus Control Phy Register */
160#define CV_SMB_CTRL PHY_REG(769, 23)
161#define CV_SMB_CTRL_FORCE_SMBUS 0x0001
162
163/* SMBus Address Phy Register */
164#define HV_SMB_ADDR PHY_REG(768, 26)
165#define HV_SMB_ADDR_MASK 0x007F
166#define HV_SMB_ADDR_PEC_EN 0x0200
167#define HV_SMB_ADDR_VALID 0x0080
168#define HV_SMB_ADDR_FREQ_MASK 0x1100
169#define HV_SMB_ADDR_FREQ_LOW_SHIFT 8
170#define HV_SMB_ADDR_FREQ_HIGH_SHIFT 12
171
172/* Strapping Option Register - RO */
173#define E1000_STRAP 0x0000C
174#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000
175#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
176#define E1000_STRAP_SMT_FREQ_MASK 0x00003000
177#define E1000_STRAP_SMT_FREQ_SHIFT 12
178
179/* OEM Bits Phy Register */
180#define HV_OEM_BITS PHY_REG(768, 25)
181#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */
182#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */
183#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
184
185/* KMRN Mode Control */
186#define HV_KMRN_MODE_CTRL PHY_REG(769, 16)
187#define HV_KMRN_MDIO_SLOW 0x0400
188
189/* KMRN FIFO Control and Status */
190#define HV_KMRN_FIFO_CTRLSTA PHY_REG(770, 16)
191#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK 0x7000
192#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT 12
193
194/* PHY Power Management Control */
195#define HV_PM_CTRL PHY_REG(770, 17)
196#define HV_PM_CTRL_PLL_STOP_IN_K1_GIGA 0x100
197
198#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in ms */
199
200/* PHY Low Power Idle Control */
201#define I82579_LPI_CTRL PHY_REG(772, 20)
202#define I82579_LPI_CTRL_100_ENABLE 0x2000
203#define I82579_LPI_CTRL_1000_ENABLE 0x4000
204#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
205#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
206
207/* Extended Management Interface (EMI) Registers */
208#define I82579_EMI_ADDR 0x10
209#define I82579_EMI_DATA 0x11
210#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
211#define I82579_MSE_THRESHOLD 0x084F /* 82579 Mean Square Error Threshold */
212#define I82577_MSE_THRESHOLD 0x0887 /* 82577 Mean Square Error Threshold */
213#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */
772d05c5 214#define I82579_RX_CONFIG 0x3412 /* Receive configuration */
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215#define I82579_EEE_PCS_STATUS 0x182D /* IEEE MMD Register 3.1 >> 8 */
216#define I82579_EEE_CAPABILITY 0x0410 /* IEEE MMD Register 3.20 */
217#define I82579_EEE_ADVERTISEMENT 0x040E /* IEEE MMD Register 7.60 */
218#define I82579_EEE_LP_ABILITY 0x040F /* IEEE MMD Register 7.61 */
219#define I82579_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE */
220#define I82579_EEE_1000_SUPPORTED (1 << 2) /* 1000BaseTx EEE */
221#define I217_EEE_PCS_STATUS 0x9401 /* IEEE MMD Register 3.1 */
222#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */
223#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
224#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
225
226#define E1000_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */
227#define E1000_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */
228
229/* Intel Rapid Start Technology Support */
230#define I217_PROXY_CTRL BM_PHY_REG(BM_WUC_PAGE, 70)
231#define I217_PROXY_CTRL_AUTO_DISABLE 0x0080
232#define I217_SxCTRL PHY_REG(BM_PORT_CTRL_PAGE, 28)
233#define I217_SxCTRL_ENABLE_LPI_RESET 0x1000
234#define I217_CGFREG PHY_REG(772, 29)
235#define I217_CGFREG_ENABLE_MTA_RESET 0x0002
236#define I217_MEMPWR PHY_REG(772, 26)
237#define I217_MEMPWR_DISABLE_SMB_RELEASE 0x0010
238
239/* Receive Address Initial CRC Calculation */
240#define E1000_PCH_RAICC(_n) (0x05F50 + ((_n) * 4))
241
242/* Latency Tolerance Reporting */
243#define E1000_LTRV 0x000F8
244#define E1000_LTRV_SCALE_MAX 5
245#define E1000_LTRV_SCALE_FACTOR 5
246#define E1000_LTRV_REQ_SHIFT 15
247#define E1000_LTRV_NOSNOOP_SHIFT 16
248#define E1000_LTRV_SEND (1 << 30)
249
250/* Proprietary Latency Tolerance Reporting PCI Capability */
251#define E1000_PCI_LTR_CAP_LPT 0xA8
252
253/* OBFF Control & Threshold Defines */
254#define E1000_SVCR_OFF_EN 0x00000001
255#define E1000_SVCR_OFF_MASKINT 0x00001000
256#define E1000_SVCR_OFF_TIMER_MASK 0xFFFF0000
257#define E1000_SVCR_OFF_TIMER_SHIFT 16
258#define E1000_SVT_OFF_HWM_MASK 0x0000001F
259
260void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw);
261void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
262 bool state);
263void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
264void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
265void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw);
266void e1000_resume_workarounds_pchlan(struct e1000_hw *hw);
267s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
268void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw);
269s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable);
270s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data);
271#endif /* _E1000E_ICH8LAN_H_ */
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