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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ich8lan.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c1558
1 files changed, 1079 insertions, 479 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 97633654760..8894ab8ed6b 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1,30 +1,23 @@
-/*******************************************************************************
-
- Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2012 Intel Corporation.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms and conditions of the GNU General Public License,
- version 2, as published by the Free Software Foundation.
-
- This program is distributed in the hope it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
- The full GNU General Public License is included in this distribution in
- the file called "COPYING".
-
- Contact Information:
- Linux NICS <linux.nics@intel.com>
- e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
- Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-
-*******************************************************************************/
+/* Intel PRO/1000 Linux driver
+ * Copyright(c) 1999 - 2014 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Linux NICS <linux.nics@intel.com>
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ */
/* 82562G 10/100 Network Connection
* 82562G-2 10/100 Network Connection
@@ -53,164 +46,31 @@
* 82578DC Gigabit Network Connection
* 82579LM Gigabit Network Connection
* 82579V Gigabit Network Connection
+ * Ethernet Connection I217-LM
+ * Ethernet Connection I217-V
+ * Ethernet Connection I218-V
+ * Ethernet Connection I218-LM
+ * Ethernet Connection (2) I218-LM
+ * Ethernet Connection (2) I218-V
+ * Ethernet Connection (3) I218-LM
+ * Ethernet Connection (3) I218-V
*/
#include "e1000.h"
-#define ICH_FLASH_GFPREG 0x0000
-#define ICH_FLASH_HSFSTS 0x0004
-#define ICH_FLASH_HSFCTL 0x0006
-#define ICH_FLASH_FADDR 0x0008
-#define ICH_FLASH_FDATA0 0x0010
-#define ICH_FLASH_PR0 0x0074
-
-#define ICH_FLASH_READ_COMMAND_TIMEOUT 500
-#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500
-#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000
-#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF
-#define ICH_FLASH_CYCLE_REPEAT_COUNT 10
-
-#define ICH_CYCLE_READ 0
-#define ICH_CYCLE_WRITE 2
-#define ICH_CYCLE_ERASE 3
-
-#define FLASH_GFPREG_BASE_MASK 0x1FFF
-#define FLASH_SECTOR_ADDR_SHIFT 12
-
-#define ICH_FLASH_SEG_SIZE_256 256
-#define ICH_FLASH_SEG_SIZE_4K 4096
-#define ICH_FLASH_SEG_SIZE_8K 8192
-#define ICH_FLASH_SEG_SIZE_64K 65536
-
-
-#define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
-/* FW established a valid mode */
-#define E1000_ICH_FWSM_FW_VALID 0x00008000
-
-#define E1000_ICH_MNG_IAMT_MODE 0x2
-
-#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \
- (ID_LED_DEF1_OFF2 << 8) | \
- (ID_LED_DEF1_ON2 << 4) | \
- (ID_LED_DEF1_DEF2))
-
-#define E1000_ICH_NVM_SIG_WORD 0x13
-#define E1000_ICH_NVM_SIG_MASK 0xC000
-#define E1000_ICH_NVM_VALID_SIG_MASK 0xC0
-#define E1000_ICH_NVM_SIG_VALUE 0x80
-
-#define E1000_ICH8_LAN_INIT_TIMEOUT 1500
-
-#define E1000_FEXTNVM_SW_CONFIG 1
-#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */
-
-#define E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK 0x0C000000
-#define E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC 0x08000000
-
-#define E1000_FEXTNVM4_BEACON_DURATION_MASK 0x7
-#define E1000_FEXTNVM4_BEACON_DURATION_8USEC 0x7
-#define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3
-
-#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
-
-#define E1000_ICH_RAR_ENTRIES 7
-#define E1000_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */
-#define E1000_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */
-
-#define PHY_PAGE_SHIFT 5
-#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
- ((reg) & MAX_PHY_REG_ADDRESS))
-#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */
-#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */
-
-#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002
-#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
-#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200
-
-#define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */
-
-#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */
-
-/* SMBus Control Phy Register */
-#define CV_SMB_CTRL PHY_REG(769, 23)
-#define CV_SMB_CTRL_FORCE_SMBUS 0x0001
-
-/* SMBus Address Phy Register */
-#define HV_SMB_ADDR PHY_REG(768, 26)
-#define HV_SMB_ADDR_MASK 0x007F
-#define HV_SMB_ADDR_PEC_EN 0x0200
-#define HV_SMB_ADDR_VALID 0x0080
-#define HV_SMB_ADDR_FREQ_MASK 0x1100
-#define HV_SMB_ADDR_FREQ_LOW_SHIFT 8
-#define HV_SMB_ADDR_FREQ_HIGH_SHIFT 12
-
-/* PHY Power Management Control */
-#define HV_PM_CTRL PHY_REG(770, 17)
-#define HV_PM_CTRL_PLL_STOP_IN_K1_GIGA 0x100
-
-/* PHY Low Power Idle Control */
-#define I82579_LPI_CTRL PHY_REG(772, 20)
-#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
-#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
-
-/* EMI Registers */
-#define I82579_EMI_ADDR 0x10
-#define I82579_EMI_DATA 0x11
-#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
-#define I82579_MSE_THRESHOLD 0x084F /* Mean Square Error Threshold */
-#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */
-#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
-#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
-#define I217_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE supported */
-
-/* Intel Rapid Start Technology Support */
-#define I217_PROXY_CTRL BM_PHY_REG(BM_WUC_PAGE, 70)
-#define I217_PROXY_CTRL_AUTO_DISABLE 0x0080
-#define I217_SxCTRL PHY_REG(BM_PORT_CTRL_PAGE, 28)
-#define I217_SxCTRL_ENABLE_LPI_RESET 0x1000
-#define I217_CGFREG PHY_REG(772, 29)
-#define I217_CGFREG_ENABLE_MTA_RESET 0x0002
-#define I217_MEMPWR PHY_REG(772, 26)
-#define I217_MEMPWR_DISABLE_SMB_RELEASE 0x0010
-
-/* Strapping Option Register - RO */
-#define E1000_STRAP 0x0000C
-#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000
-#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
-#define E1000_STRAP_SMT_FREQ_MASK 0x00003000
-#define E1000_STRAP_SMT_FREQ_SHIFT 12
-
-/* OEM Bits Phy Register */
-#define HV_OEM_BITS PHY_REG(768, 25)
-#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */
-#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */
-#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
-
-#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
-#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */
-
-/* KMRN Mode Control */
-#define HV_KMRN_MODE_CTRL PHY_REG(769, 16)
-#define HV_KMRN_MDIO_SLOW 0x0400
-
-/* KMRN FIFO Control and Status */
-#define HV_KMRN_FIFO_CTRLSTA PHY_REG(770, 16)
-#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK 0x7000
-#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT 12
-
/* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
/* Offset 04h HSFSTS */
union ich8_hws_flash_status {
struct ich8_hsfsts {
- u16 flcdone :1; /* bit 0 Flash Cycle Done */
- u16 flcerr :1; /* bit 1 Flash Cycle Error */
- u16 dael :1; /* bit 2 Direct Access error Log */
- u16 berasesz :2; /* bit 4:3 Sector Erase Size */
- u16 flcinprog :1; /* bit 5 flash cycle in Progress */
- u16 reserved1 :2; /* bit 13:6 Reserved */
- u16 reserved2 :6; /* bit 13:6 Reserved */
- u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */
- u16 flockdn :1; /* bit 15 Flash Config Lock-Down */
+ u16 flcdone:1; /* bit 0 Flash Cycle Done */
+ u16 flcerr:1; /* bit 1 Flash Cycle Error */
+ u16 dael:1; /* bit 2 Direct Access error Log */
+ u16 berasesz:2; /* bit 4:3 Sector Erase Size */
+ u16 flcinprog:1; /* bit 5 flash cycle in Progress */
+ u16 reserved1:2; /* bit 13:6 Reserved */
+ u16 reserved2:6; /* bit 13:6 Reserved */
+ u16 fldesvalid:1; /* bit 14 Flash Descriptor Valid */
+ u16 flockdn:1; /* bit 15 Flash Config Lock-Down */
} hsf_status;
u16 regval;
};
@@ -219,11 +79,11 @@ union ich8_hws_flash_status {
/* Offset 06h FLCTL */
union ich8_hws_flash_ctrl {
struct ich8_hsflctl {
- u16 flcgo :1; /* 0 Flash Cycle Go */
- u16 flcycle :2; /* 2:1 Flash Cycle */
- u16 reserved :5; /* 7:3 Reserved */
- u16 fldbcount :2; /* 9:8 Flash Data Byte Count */
- u16 flockdn :6; /* 15:10 Reserved */
+ u16 flcgo:1; /* 0 Flash Cycle Go */
+ u16 flcycle:2; /* 2:1 Flash Cycle */
+ u16 reserved:5; /* 7:3 Reserved */
+ u16 fldbcount:2; /* 9:8 Flash Data Byte Count */
+ u16 flockdn:6; /* 15:10 Reserved */
} hsf_ctrl;
u16 regval;
};
@@ -231,10 +91,10 @@ union ich8_hws_flash_ctrl {
/* ICH Flash Region Access Permissions */
union ich8_hws_flash_regacc {
struct ich8_flracc {
- u32 grra :8; /* 0:7 GbE region Read Access */
- u32 grwa :8; /* 8:15 GbE region Write Access */
- u32 gmrag :8; /* 23:16 GbE Master Read Access Grant */
- u32 gmwag :8; /* 31:24 GbE Master Write Access Grant */
+ u32 grra:8; /* 0:7 GbE region Read Access */
+ u32 grwa:8; /* 8:15 GbE region Write Access */
+ u32 gmrag:8; /* 23:16 GbE Master Read Access Grant */
+ u32 gmwag:8; /* 31:24 GbE Master Write Access Grant */
} hsf_flregacc;
u16 regval;
};
@@ -242,17 +102,16 @@ union ich8_hws_flash_regacc {
/* ICH Flash Protected Region */
union ich8_flash_protected_range {
struct ich8_pr {
- u32 base:13; /* 0:12 Protected Range Base */
- u32 reserved1:2; /* 13:14 Reserved */
- u32 rpe:1; /* 15 Read Protection Enable */
- u32 limit:13; /* 16:28 Protected Range Limit */
- u32 reserved2:2; /* 29:30 Reserved */
- u32 wpe:1; /* 31 Write Protection Enable */
+ u32 base:13; /* 0:12 Protected Range Base */
+ u32 reserved1:2; /* 13:14 Reserved */
+ u32 rpe:1; /* 15 Read Protection Enable */
+ u32 limit:13; /* 16:28 Protected Range Limit */
+ u32 reserved2:2; /* 29:30 Reserved */
+ u32 wpe:1; /* 31 Write Protection Enable */
} range;
u32 regval;
};
-static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
@@ -264,9 +123,7 @@ static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
u16 *data);
static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
u8 size, u16 *data);
-static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw);
static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
-static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw);
static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw);
static s32 e1000_led_on_ich8lan(struct e1000_hw *hw);
static s32 e1000_led_off_ich8lan(struct e1000_hw *hw);
@@ -278,14 +135,18 @@ static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw);
static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
-static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
+static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw);
static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw);
static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw);
-static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index);
-static void e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index);
+static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index);
+static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index);
+static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw);
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw);
static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate);
+static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force);
+static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw);
+static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state);
static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
{
@@ -326,16 +187,17 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
{
u16 phy_reg = 0;
u32 phy_id = 0;
- s32 ret_val;
+ s32 ret_val = 0;
u16 retry_count;
+ u32 mac_reg = 0;
for (retry_count = 0; retry_count < 2; retry_count++) {
- ret_val = e1e_rphy_locked(hw, PHY_ID1, &phy_reg);
+ ret_val = e1e_rphy_locked(hw, MII_PHYSID1, &phy_reg);
if (ret_val || (phy_reg == 0xFFFF))
continue;
phy_id = (u32)(phy_reg << 16);
- ret_val = e1e_rphy_locked(hw, PHY_ID2, &phy_reg);
+ ret_val = e1e_rphy_locked(hw, MII_PHYSID2, &phy_reg);
if (ret_val || (phy_reg == 0xFFFF)) {
phy_id = 0;
continue;
@@ -346,23 +208,81 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
if (hw->phy.id) {
if (hw->phy.id == phy_id)
- return true;
+ goto out;
} else if (phy_id) {
hw->phy.id = phy_id;
hw->phy.revision = (u32)(phy_reg & ~PHY_REVISION_MASK);
- return true;
+ goto out;
}
/* In case the PHY needs to be in mdio slow mode,
* set slow mode and try to get the PHY id again.
*/
- hw->phy.ops.release(hw);
- ret_val = e1000_set_mdio_slow_mode_hv(hw);
- if (!ret_val)
- ret_val = e1000e_get_phy_id(hw);
- hw->phy.ops.acquire(hw);
+ if (hw->mac.type < e1000_pch_lpt) {
+ hw->phy.ops.release(hw);
+ ret_val = e1000_set_mdio_slow_mode_hv(hw);
+ if (!ret_val)
+ ret_val = e1000e_get_phy_id(hw);
+ hw->phy.ops.acquire(hw);
+ }
+
+ if (ret_val)
+ return false;
+out:
+ if (hw->mac.type == e1000_pch_lpt) {
+ /* Unforce SMBus mode in PHY */
+ e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
+ phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
+ e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
+
+ /* Unforce SMBus mode in MAC */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+ }
+
+ return true;
+}
+
+/**
+ * e1000_toggle_lanphypc_pch_lpt - toggle the LANPHYPC pin value
+ * @hw: pointer to the HW structure
+ *
+ * Toggling the LANPHYPC pin value fully power-cycles the PHY and is
+ * used to reset the PHY to a quiescent state when necessary.
+ **/
+static void e1000_toggle_lanphypc_pch_lpt(struct e1000_hw *hw)
+{
+ u32 mac_reg;
+
+ /* Set Phy Config Counter to 50msec */
+ mac_reg = er32(FEXTNVM3);
+ mac_reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK;
+ mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC;
+ ew32(FEXTNVM3, mac_reg);
+
+ /* Toggle LANPHYPC Value bit */
+ mac_reg = er32(CTRL);
+ mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE;
+ mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE;
+ ew32(CTRL, mac_reg);
+ e1e_flush();
+ usleep_range(10, 20);
+ mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
+ ew32(CTRL, mac_reg);
+ e1e_flush();
+
+ if (hw->mac.type < e1000_pch_lpt) {
+ msleep(50);
+ } else {
+ u16 count = 20;
+
+ do {
+ usleep_range(5000, 10000);
+ } while (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LPCD) && count--);
- return !ret_val;
+ msleep(30);
+ }
}
/**
@@ -374,14 +294,25 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
**/
static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
{
+ struct e1000_adapter *adapter = hw->adapter;
u32 mac_reg, fwsm = er32(FWSM);
s32 ret_val;
- u16 phy_reg;
+
+ /* Gate automatic PHY configuration by hardware on managed and
+ * non-managed 82579 and newer adapters.
+ */
+ e1000_gate_hw_phy_config_ich8lan(hw, true);
+
+ /* It is not possible to be certain of the current state of ULP
+ * so forcibly disable it.
+ */
+ hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_unknown;
+ e1000_disable_ulp_lpt_lp(hw, true);
ret_val = hw->phy.ops.acquire(hw);
if (ret_val) {
e_dbg("Failed to initialize PHY flow\n");
- return ret_val;
+ goto out;
}
/* The MAC-PHY interconnect may be in SMBus mode. If the PHY is
@@ -400,29 +331,16 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
ew32(CTRL_EXT, mac_reg);
- /* fall-through */
- case e1000_pch2lan:
- /* Gate automatic PHY configuration by hardware on
- * non-managed 82579
+ /* Wait 50 milliseconds for MAC to finish any retries
+ * that it might be trying to perform from previous
+ * attempts to acknowledge any phy read requests.
*/
- if ((hw->mac.type == e1000_pch2lan) &&
- !(fwsm & E1000_ICH_FWSM_FW_VALID))
- e1000_gate_hw_phy_config_ich8lan(hw, true);
+ msleep(50);
- if (e1000_phy_is_accessible_pchlan(hw)) {
- if (hw->mac.type == e1000_pch_lpt) {
- /* Unforce SMBus mode in PHY */
- e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
- phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
- e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
-
- /* Unforce SMBus mode in MAC */
- mac_reg = er32(CTRL_EXT);
- mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
- ew32(CTRL_EXT, mac_reg);
- }
+ /* fall-through */
+ case e1000_pch2lan:
+ if (e1000_phy_is_accessible_pchlan(hw))
break;
- }
/* fall-through */
case e1000_pchlan:
@@ -432,35 +350,27 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
if (hw->phy.ops.check_reset_block(hw)) {
e_dbg("Required LANPHYPC toggle blocked by ME\n");
+ ret_val = -E1000_ERR_PHY;
break;
}
- e_dbg("Toggling LANPHYPC\n");
+ /* Toggle LANPHYPC Value bit */
+ e1000_toggle_lanphypc_pch_lpt(hw);
+ if (hw->mac.type >= e1000_pch_lpt) {
+ if (e1000_phy_is_accessible_pchlan(hw))
+ break;
- /* Set Phy Config Counter to 50msec */
- mac_reg = er32(FEXTNVM3);
- mac_reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK;
- mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC;
- ew32(FEXTNVM3, mac_reg);
+ /* Toggling LANPHYPC brings the PHY out of SMBus mode
+ * so ensure that the MAC is also out of SMBus mode
+ */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
- /* Toggle LANPHYPC Value bit */
- mac_reg = er32(CTRL);
- mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE;
- mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE;
- ew32(CTRL, mac_reg);
- e1e_flush();
- udelay(10);
- mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
- ew32(CTRL, mac_reg);
- e1e_flush();
- if (hw->mac.type < e1000_pch_lpt) {
- msleep(50);
- } else {
- u16 count = 20;
- do {
- usleep_range(5000, 10000);
- } while (!(er32(CTRL_EXT) &
- E1000_CTRL_EXT_LPCD) && count--);
+ if (e1000_phy_is_accessible_pchlan(hw))
+ break;
+
+ ret_val = -E1000_ERR_PHY;
}
break;
default:
@@ -468,14 +378,35 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
}
hw->phy.ops.release(hw);
+ if (!ret_val) {
- /* Reset the PHY before any access to it. Doing so, ensures
- * that the PHY is in a known good state before we read/write
- * PHY registers. The generic reset is sufficient here,
- * because we haven't determined the PHY type yet.
- */
- ret_val = e1000e_phy_hw_reset_generic(hw);
+ /* Check to see if able to reset PHY. Print error if not */
+ if (hw->phy.ops.check_reset_block(hw)) {
+ e_err("Reset blocked by ME\n");
+ goto out;
+ }
+ /* Reset the PHY before any access to it. Doing so, ensures
+ * that the PHY is in a known good state before we read/write
+ * PHY registers. The generic reset is sufficient here,
+ * because we haven't determined the PHY type yet.
+ */
+ ret_val = e1000e_phy_hw_reset_generic(hw);
+ if (ret_val)
+ goto out;
+
+ /* On a successful reset, possibly need to wait for the PHY
+ * to quiesce to an accessible state before returning control
+ * to the calling function. If the PHY does not quiesce, then
+ * return E1000E_BLK_PHY_RESET, as this is the condition that
+ * the PHY is in.
+ */
+ ret_val = hw->phy.ops.check_reset_block(hw);
+ if (ret_val)
+ e_err("ME blocked access to PHY after reset\n");
+ }
+
+out:
/* Ungate automatic PHY configuration on non-managed 82579 */
if ((hw->mac.type == e1000_pch2lan) &&
!(fwsm & E1000_ICH_FWSM_FW_VALID)) {
@@ -495,23 +426,23 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
{
struct e1000_phy_info *phy = &hw->phy;
- s32 ret_val = 0;
+ s32 ret_val;
- phy->addr = 1;
- phy->reset_delay_us = 100;
-
- phy->ops.set_page = e1000_set_page_igp;
- phy->ops.read_reg = e1000_read_phy_reg_hv;
- phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked;
- phy->ops.read_reg_page = e1000_read_phy_reg_page_hv;
- phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan;
- phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan;
- phy->ops.write_reg = e1000_write_phy_reg_hv;
- phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked;
- phy->ops.write_reg_page = e1000_write_phy_reg_page_hv;
- phy->ops.power_up = e1000_power_up_phy_copper;
- phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
- phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+ phy->addr = 1;
+ phy->reset_delay_us = 100;
+
+ phy->ops.set_page = e1000_set_page_igp;
+ phy->ops.read_reg = e1000_read_phy_reg_hv;
+ phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked;
+ phy->ops.read_reg_page = e1000_read_phy_reg_page_hv;
+ phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan;
+ phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan;
+ phy->ops.write_reg = e1000_write_phy_reg_hv;
+ phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked;
+ phy->ops.write_reg_page = e1000_write_phy_reg_page_hv;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
+ phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
phy->id = e1000_phy_unknown;
@@ -580,11 +511,11 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
s32 ret_val;
u16 i = 0;
- phy->addr = 1;
- phy->reset_delay_us = 100;
+ phy->addr = 1;
+ phy->reset_delay_us = 100;
- phy->ops.power_up = e1000_power_up_phy_copper;
- phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
/* We may need to do this twice - once for IGP and if that fails,
* we'll set BM func pointers and try again
@@ -592,7 +523,7 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
ret_val = e1000e_determine_phy_address(hw);
if (ret_val) {
phy->ops.write_reg = e1000e_write_phy_reg_bm;
- phy->ops.read_reg = e1000e_read_phy_reg_bm;
+ phy->ops.read_reg = e1000e_read_phy_reg_bm;
ret_val = e1000e_determine_phy_address(hw);
if (ret_val) {
e_dbg("Cannot determine PHY addr. Erroring out\n");
@@ -684,8 +615,8 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
/* find total size of the NVM, then cut in half since the total
* size represents two separate NVM banks.
*/
- nvm->flash_bank_size = (sector_end_addr - sector_base_addr)
- << FLASH_SECTOR_ADDR_SHIFT;
+ nvm->flash_bank_size = ((sector_end_addr - sector_base_addr)
+ << FLASH_SECTOR_ADDR_SHIFT);
nvm->flash_bank_size /= 2;
/* Adjust to word count */
nvm->flash_bank_size /= sizeof(u16);
@@ -695,7 +626,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
/* Clear shadow ram */
for (i = 0; i < nvm->word_size; i++) {
dev_spec->shadow_ram[i].modified = false;
- dev_spec->shadow_ram[i].value = 0xFFFF;
+ dev_spec->shadow_ram[i].value = 0xFFFF;
}
return 0;
@@ -772,77 +703,596 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw)
if (mac->type == e1000_pch_lpt) {
mac->rar_entry_count = E1000_PCH_LPT_RAR_ENTRIES;
mac->ops.rar_set = e1000_rar_set_pch_lpt;
+ mac->ops.setup_physical_interface =
+ e1000_setup_copper_link_pch_lpt;
+ mac->ops.rar_get_count = e1000_rar_get_count_pch_lpt;
}
/* Enable PCS Lock-loss workaround for ICH8 */
if (mac->type == e1000_ich8lan)
e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true);
- /* Gate automatic PHY configuration by hardware on managed
- * 82579 and i217
- */
- if ((mac->type == e1000_pch2lan || mac->type == e1000_pch_lpt) &&
- (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
- e1000_gate_hw_phy_config_ich8lan(hw, true);
-
return 0;
}
/**
+ * __e1000_access_emi_reg_locked - Read/write EMI register
+ * @hw: pointer to the HW structure
+ * @addr: EMI address to program
+ * @data: pointer to value to read/write from/to the EMI address
+ * @read: boolean flag to indicate read or write
+ *
+ * This helper function assumes the SW/FW/HW Semaphore is already acquired.
+ **/
+static s32 __e1000_access_emi_reg_locked(struct e1000_hw *hw, u16 address,
+ u16 *data, bool read)
+{
+ s32 ret_val;
+
+ ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR, address);
+ if (ret_val)
+ return ret_val;
+
+ if (read)
+ ret_val = e1e_rphy_locked(hw, I82579_EMI_DATA, data);
+ else
+ ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, *data);
+
+ return ret_val;
+}
+
+/**
+ * e1000_read_emi_reg_locked - Read Extended Management Interface register
+ * @hw: pointer to the HW structure
+ * @addr: EMI address to program
+ * @data: value to be read from the EMI address
+ *
+ * Assumes the SW/FW/HW Semaphore is already acquired.
+ **/
+s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data)
+{
+ return __e1000_access_emi_reg_locked(hw, addr, data, true);
+}
+
+/**
+ * e1000_write_emi_reg_locked - Write Extended Management Interface register
+ * @hw: pointer to the HW structure
+ * @addr: EMI address to program
+ * @data: value to be written to the EMI address
+ *
+ * Assumes the SW/FW/HW Semaphore is already acquired.
+ **/
+s32 e1000_write_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 data)
+{
+ return __e1000_access_emi_reg_locked(hw, addr, &data, false);
+}
+
+/**
* e1000_set_eee_pchlan - Enable/disable EEE support
* @hw: pointer to the HW structure
*
- * Enable/disable EEE based on setting in dev_spec structure. The bits in
- * the LPI Control register will remain set only if/when link is up.
+ * Enable/disable EEE based on setting in dev_spec structure, the duplex of
+ * the link and the EEE capabilities of the link partner. The LPI Control
+ * register bits will remain set only if/when link is up.
+ *
+ * EEE LPI must not be asserted earlier than one second after link is up.
+ * On 82579, EEE LPI should not be enabled until such time otherwise there
+ * can be link issues with some switches. Other devices can have EEE LPI
+ * enabled immediately upon link up since they have a timer in hardware which
+ * prevents LPI from being asserted too early.
**/
-static s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
+s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
{
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
- s32 ret_val = 0;
- u16 phy_reg;
+ s32 ret_val;
+ u16 lpa, pcs_status, adv, adv_addr, lpi_ctrl, data;
- if ((hw->phy.type != e1000_phy_82579) &&
- (hw->phy.type != e1000_phy_i217))
+ switch (hw->phy.type) {
+ case e1000_phy_82579:
+ lpa = I82579_EEE_LP_ABILITY;
+ pcs_status = I82579_EEE_PCS_STATUS;
+ adv_addr = I82579_EEE_ADVERTISEMENT;
+ break;
+ case e1000_phy_i217:
+ lpa = I217_EEE_LP_ABILITY;
+ pcs_status = I217_EEE_PCS_STATUS;
+ adv_addr = I217_EEE_ADVERTISEMENT;
+ break;
+ default:
return 0;
+ }
- ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
+ ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
return ret_val;
- if (dev_spec->eee_disable)
- phy_reg &= ~I82579_LPI_CTRL_ENABLE_MASK;
- else
- phy_reg |= I82579_LPI_CTRL_ENABLE_MASK;
-
- ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
+ ret_val = e1e_rphy_locked(hw, I82579_LPI_CTRL, &lpi_ctrl);
if (ret_val)
- return ret_val;
+ goto release;
+
+ /* Clear bits that enable EEE in various speeds */
+ lpi_ctrl &= ~I82579_LPI_CTRL_ENABLE_MASK;
- if ((hw->phy.type == e1000_phy_i217) && !dev_spec->eee_disable) {
+ /* Enable EEE if not disabled by user */
+ if (!dev_spec->eee_disable) {
/* Save off link partner's EEE ability */
+ ret_val = e1000_read_emi_reg_locked(hw, lpa,
+ &dev_spec->eee_lp_ability);
+ if (ret_val)
+ goto release;
+
+ /* Read EEE advertisement */
+ ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &adv);
+ if (ret_val)
+ goto release;
+
+ /* Enable EEE only for speeds in which the link partner is
+ * EEE capable and for which we advertise EEE.
+ */
+ if (adv & dev_spec->eee_lp_ability & I82579_EEE_1000_SUPPORTED)
+ lpi_ctrl |= I82579_LPI_CTRL_1000_ENABLE;
+
+ if (adv & dev_spec->eee_lp_ability & I82579_EEE_100_SUPPORTED) {
+ e1e_rphy_locked(hw, MII_LPA, &data);
+ if (data & LPA_100FULL)
+ lpi_ctrl |= I82579_LPI_CTRL_100_ENABLE;
+ else
+ /* EEE is not supported in 100Half, so ignore
+ * partner's EEE in 100 ability if full-duplex
+ * is not advertised.
+ */
+ dev_spec->eee_lp_ability &=
+ ~I82579_EEE_100_SUPPORTED;
+ }
+ }
+
+ if (hw->phy.type == e1000_phy_82579) {
+ ret_val = e1000_read_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
+ &data);
+ if (ret_val)
+ goto release;
+
+ data &= ~I82579_LPI_100_PLL_SHUT;
+ ret_val = e1000_write_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
+ data);
+ }
+
+ /* R/Clr IEEE MMD 3.1 bits 11:10 - Tx/Rx LPI Received */
+ ret_val = e1000_read_emi_reg_locked(hw, pcs_status, &data);
+ if (ret_val)
+ goto release;
+
+ ret_val = e1e_wphy_locked(hw, I82579_LPI_CTRL, lpi_ctrl);
+release:
+ hw->phy.ops.release(hw);
+
+ return ret_val;
+}
+
+/**
+ * e1000_k1_workaround_lpt_lp - K1 workaround on Lynxpoint-LP
+ * @hw: pointer to the HW structure
+ * @link: link up bool flag
+ *
+ * When K1 is enabled for 1Gbps, the MAC can miss 2 DMA completion indications
+ * preventing further DMA write requests. Workaround the issue by disabling
+ * the de-assertion of the clock request when in 1Gpbs mode.
+ * Also, set appropriate Tx re-transmission timeouts for 10 and 100Half link
+ * speeds in order to avoid Tx hangs.
+ **/
+static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link)
+{
+ u32 fextnvm6 = er32(FEXTNVM6);
+ u32 status = er32(STATUS);
+ s32 ret_val = 0;
+ u16 reg;
+
+ if (link && (status & E1000_STATUS_SPEED_1000)) {
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
return ret_val;
- ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR,
- I217_EEE_LP_ABILITY);
+
+ ret_val =
+ e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
+ &reg);
if (ret_val)
goto release;
- e1e_rphy_locked(hw, I82579_EMI_DATA, &dev_spec->eee_lp_ability);
- /* EEE is not supported in 100Half, so ignore partner's EEE
- * in 100 ability if full-duplex is not advertised.
- */
- e1e_rphy_locked(hw, PHY_LP_ABILITY, &phy_reg);
- if (!(phy_reg & NWAY_LPAR_100TX_FD_CAPS))
- dev_spec->eee_lp_ability &= ~I217_EEE_100_SUPPORTED;
+ ret_val =
+ e1000e_write_kmrn_reg_locked(hw,
+ E1000_KMRNCTRLSTA_K1_CONFIG,
+ reg &
+ ~E1000_KMRNCTRLSTA_K1_ENABLE);
+ if (ret_val)
+ goto release;
+
+ usleep_range(10, 20);
+
+ ew32(FEXTNVM6, fextnvm6 | E1000_FEXTNVM6_REQ_PLL_CLK);
+
+ ret_val =
+ e1000e_write_kmrn_reg_locked(hw,
+ E1000_KMRNCTRLSTA_K1_CONFIG,
+ reg);
release:
hw->phy.ops.release(hw);
+ } else {
+ /* clear FEXTNVM6 bit 8 on link down or 10/100 */
+ fextnvm6 &= ~E1000_FEXTNVM6_REQ_PLL_CLK;
+
+ if (!link || ((status & E1000_STATUS_SPEED_100) &&
+ (status & E1000_STATUS_FD)))
+ goto update_fextnvm6;
+
+ ret_val = e1e_rphy(hw, I217_INBAND_CTRL, &reg);
+ if (ret_val)
+ return ret_val;
+
+ /* Clear link status transmit timeout */
+ reg &= ~I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK;
+
+ if (status & E1000_STATUS_SPEED_100) {
+ /* Set inband Tx timeout to 5x10us for 100Half */
+ reg |= 5 << I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
+
+ /* Do not extend the K1 entry latency for 100Half */
+ fextnvm6 &= ~E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
+ } else {
+ /* Set inband Tx timeout to 50x10us for 10Full/Half */
+ reg |= 50 <<
+ I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
+
+ /* Extend the K1 entry latency for 10 Mbps */
+ fextnvm6 |= E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
+ }
+
+ ret_val = e1e_wphy(hw, I217_INBAND_CTRL, reg);
+ if (ret_val)
+ return ret_val;
+
+update_fextnvm6:
+ ew32(FEXTNVM6, fextnvm6);
}
+ return ret_val;
+}
+
+/**
+ * e1000_platform_pm_pch_lpt - Set platform power management values
+ * @hw: pointer to the HW structure
+ * @link: bool indicating link status
+ *
+ * Set the Latency Tolerance Reporting (LTR) values for the "PCIe-like"
+ * GbE MAC in the Lynx Point PCH based on Rx buffer size and link speed
+ * when link is up (which must not exceed the maximum latency supported
+ * by the platform), otherwise specify there is no LTR requirement.
+ * Unlike true-PCIe devices which set the LTR maximum snoop/no-snoop
+ * latencies in the LTR Extended Capability Structure in the PCIe Extended
+ * Capability register set, on this device LTR is set by writing the
+ * equivalent snoop/no-snoop latencies in the LTRV register in the MAC and
+ * set the SEND bit to send an Intel On-chip System Fabric sideband (IOSF-SB)
+ * message to the PMC.
+ **/
+static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
+{
+ u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
+ link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
+ u16 lat_enc = 0; /* latency encoded */
+
+ if (link) {
+ u16 speed, duplex, scale = 0;
+ u16 max_snoop, max_nosnoop;
+ u16 max_ltr_enc; /* max LTR latency encoded */
+ s64 lat_ns; /* latency (ns) */
+ s64 value;
+ u32 rxa;
+
+ if (!hw->adapter->max_frame_size) {
+ e_dbg("max_frame_size not set.\n");
+ return -E1000_ERR_CONFIG;
+ }
+
+ hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
+ if (!speed) {
+ e_dbg("Speed not set.\n");
+ return -E1000_ERR_CONFIG;
+ }
+
+ /* Rx Packet Buffer Allocation size (KB) */
+ rxa = er32(PBA) & E1000_PBA_RXA_MASK;
+
+ /* Determine the maximum latency tolerated by the device.
+ *
+ * Per the PCIe spec, the tolerated latencies are encoded as
+ * a 3-bit encoded scale (only 0-5 are valid) multiplied by
+ * a 10-bit value (0-1023) to provide a range from 1 ns to
+ * 2^25*(2^10-1) ns. The scale is encoded as 0=2^0ns,
+ * 1=2^5ns, 2=2^10ns,...5=2^25ns.
+ */
+ lat_ns = ((s64)rxa * 1024 -
+ (2 * (s64)hw->adapter->max_frame_size)) * 8 * 1000;
+ if (lat_ns < 0)
+ lat_ns = 0;
+ else
+ do_div(lat_ns, speed);
+
+ value = lat_ns;
+ while (value > PCI_LTR_VALUE_MASK) {
+ scale++;
+ value = DIV_ROUND_UP(value, (1 << 5));
+ }
+ if (scale > E1000_LTRV_SCALE_MAX) {
+ e_dbg("Invalid LTR latency scale %d\n", scale);
+ return -E1000_ERR_CONFIG;
+ }
+ lat_enc = (u16)((scale << PCI_LTR_SCALE_SHIFT) | value);
+
+ /* Determine the maximum latency tolerated by the platform */
+ pci_read_config_word(hw->adapter->pdev, E1000_PCI_LTR_CAP_LPT,
+ &max_snoop);
+ pci_read_config_word(hw->adapter->pdev,
+ E1000_PCI_LTR_CAP_LPT + 2, &max_nosnoop);
+ max_ltr_enc = max_t(u16, max_snoop, max_nosnoop);
+
+ if (lat_enc > max_ltr_enc)
+ lat_enc = max_ltr_enc;
+ }
+
+ /* Set Snoop and No-Snoop latencies the same */
+ reg |= lat_enc | (lat_enc << E1000_LTRV_NOSNOOP_SHIFT);
+ ew32(LTRV, reg);
+
return 0;
}
/**
+ * e1000_enable_ulp_lpt_lp - configure Ultra Low Power mode for LynxPoint-LP
+ * @hw: pointer to the HW structure
+ * @to_sx: boolean indicating a system power state transition to Sx
+ *
+ * When link is down, configure ULP mode to significantly reduce the power
+ * to the PHY. If on a Manageability Engine (ME) enabled system, tell the
+ * ME firmware to start the ULP configuration. If not on an ME enabled
+ * system, configure the ULP mode by software.
+ */
+s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx)
+{
+ u32 mac_reg;
+ s32 ret_val = 0;
+ u16 phy_reg;
+
+ if ((hw->mac.type < e1000_pch_lpt) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) ||
+ (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_on))
+ return 0;
+
+ if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) {
+ /* Request ME configure ULP mode in the PHY */
+ mac_reg = er32(H2ME);
+ mac_reg |= E1000_H2ME_ULP | E1000_H2ME_ENFORCE_SETTINGS;
+ ew32(H2ME, mac_reg);
+
+ goto out;
+ }
+
+ if (!to_sx) {
+ int i = 0;
+
+ /* Poll up to 5 seconds for Cable Disconnected indication */
+ while (!(er32(FEXT) & E1000_FEXT_PHY_CABLE_DISCONNECTED)) {
+ /* Bail if link is re-acquired */
+ if (er32(STATUS) & E1000_STATUS_LU)
+ return -E1000_ERR_PHY;
+
+ if (i++ == 100)
+ break;
+
+ msleep(50);
+ }
+ e_dbg("CABLE_DISCONNECTED %s set after %dmsec\n",
+ (er32(FEXT) &
+ E1000_FEXT_PHY_CABLE_DISCONNECTED) ? "" : "not", i * 50);
+ }
+
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ goto out;
+
+ /* Force SMBus mode in PHY */
+ ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
+ if (ret_val)
+ goto release;
+ phy_reg |= CV_SMB_CTRL_FORCE_SMBUS;
+ e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
+
+ /* Force SMBus mode in MAC */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+
+ /* Set Inband ULP Exit, Reset to SMBus mode and
+ * Disable SMBus Release on PERST# in PHY
+ */
+ ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg);
+ if (ret_val)
+ goto release;
+ phy_reg |= (I218_ULP_CONFIG1_RESET_TO_SMBUS |
+ I218_ULP_CONFIG1_DISABLE_SMB_PERST);
+ if (to_sx) {
+ if (er32(WUFC) & E1000_WUFC_LNKC)
+ phy_reg |= I218_ULP_CONFIG1_WOL_HOST;
+
+ phy_reg |= I218_ULP_CONFIG1_STICKY_ULP;
+ } else {
+ phy_reg |= I218_ULP_CONFIG1_INBAND_EXIT;
+ }
+ e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
+
+ /* Set Disable SMBus Release on PERST# in MAC */
+ mac_reg = er32(FEXTNVM7);
+ mac_reg |= E1000_FEXTNVM7_DISABLE_SMB_PERST;
+ ew32(FEXTNVM7, mac_reg);
+
+ /* Commit ULP changes in PHY by starting auto ULP configuration */
+ phy_reg |= I218_ULP_CONFIG1_START;
+ e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
+release:
+ hw->phy.ops.release(hw);
+out:
+ if (ret_val)
+ e_dbg("Error in ULP enable flow: %d\n", ret_val);
+ else
+ hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_on;
+
+ return ret_val;
+}
+
+/**
+ * e1000_disable_ulp_lpt_lp - unconfigure Ultra Low Power mode for LynxPoint-LP
+ * @hw: pointer to the HW structure
+ * @force: boolean indicating whether or not to force disabling ULP
+ *
+ * Un-configure ULP mode when link is up, the system is transitioned from
+ * Sx or the driver is unloaded. If on a Manageability Engine (ME) enabled
+ * system, poll for an indication from ME that ULP has been un-configured.
+ * If not on an ME enabled system, un-configure the ULP mode by software.
+ *
+ * During nominal operation, this function is called when link is acquired
+ * to disable ULP mode (force=false); otherwise, for example when unloading
+ * the driver or during Sx->S0 transitions, this is called with force=true
+ * to forcibly disable ULP.
+ */
+static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
+{
+ s32 ret_val = 0;
+ u32 mac_reg;
+ u16 phy_reg;
+ int i = 0;
+
+ if ((hw->mac.type < e1000_pch_lpt) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) ||
+ (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_off))
+ return 0;
+
+ if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) {
+ if (force) {
+ /* Request ME un-configure ULP mode in the PHY */
+ mac_reg = er32(H2ME);
+ mac_reg &= ~E1000_H2ME_ULP;
+ mac_reg |= E1000_H2ME_ENFORCE_SETTINGS;
+ ew32(H2ME, mac_reg);
+ }
+
+ /* Poll up to 100msec for ME to clear ULP_CFG_DONE */
+ while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) {
+ if (i++ == 10) {
+ ret_val = -E1000_ERR_PHY;
+ goto out;
+ }
+
+ usleep_range(10000, 20000);
+ }
+ e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10);
+
+ if (force) {
+ mac_reg = er32(H2ME);
+ mac_reg &= ~E1000_H2ME_ENFORCE_SETTINGS;
+ ew32(H2ME, mac_reg);
+ } else {
+ /* Clear H2ME.ULP after ME ULP configuration */
+ mac_reg = er32(H2ME);
+ mac_reg &= ~E1000_H2ME_ULP;
+ ew32(H2ME, mac_reg);
+ }
+
+ goto out;
+ }
+
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ goto out;
+
+ if (force)
+ /* Toggle LANPHYPC Value bit */
+ e1000_toggle_lanphypc_pch_lpt(hw);
+
+ /* Unforce SMBus mode in PHY */
+ ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
+ if (ret_val) {
+ /* The MAC might be in PCIe mode, so temporarily force to
+ * SMBus mode in order to access the PHY.
+ */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+
+ msleep(50);
+
+ ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL,
+ &phy_reg);
+ if (ret_val)
+ goto release;
+ }
+ phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
+ e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
+
+ /* Unforce SMBus mode in MAC */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+
+ /* When ULP mode was previously entered, K1 was disabled by the
+ * hardware. Re-Enable K1 in the PHY when exiting ULP.
+ */
+ ret_val = e1000_read_phy_reg_hv_locked(hw, HV_PM_CTRL, &phy_reg);
+ if (ret_val)
+ goto release;
+ phy_reg |= HV_PM_CTRL_K1_ENABLE;
+ e1000_write_phy_reg_hv_locked(hw, HV_PM_CTRL, phy_reg);
+
+ /* Clear ULP enabled configuration */
+ ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg);
+ if (ret_val)
+ goto release;
+ phy_reg &= ~(I218_ULP_CONFIG1_IND |
+ I218_ULP_CONFIG1_STICKY_ULP |
+ I218_ULP_CONFIG1_RESET_TO_SMBUS |
+ I218_ULP_CONFIG1_WOL_HOST |
+ I218_ULP_CONFIG1_INBAND_EXIT |
+ I218_ULP_CONFIG1_DISABLE_SMB_PERST);
+ e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
+
+ /* Commit ULP changes by starting auto ULP configuration */
+ phy_reg |= I218_ULP_CONFIG1_START;
+ e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
+
+ /* Clear Disable SMBus Release on PERST# in MAC */
+ mac_reg = er32(FEXTNVM7);
+ mac_reg &= ~E1000_FEXTNVM7_DISABLE_SMB_PERST;
+ ew32(FEXTNVM7, mac_reg);
+
+release:
+ hw->phy.ops.release(hw);
+ if (force) {
+ e1000_phy_hw_reset(hw);
+ msleep(50);
+ }
+out:
+ if (ret_val)
+ e_dbg("Error in ULP disable flow: %d\n", ret_val);
+ else
+ hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_off;
+
+ return ret_val;
+}
+
+/**
* e1000_check_for_copper_link_ich8lan - Check for link (Copper)
* @hw: pointer to the HW structure
*
@@ -879,11 +1329,66 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
return ret_val;
}
+ /* When connected at 10Mbps half-duplex, some parts are excessively
+ * aggressive resulting in many collisions. To avoid this, increase
+ * the IPG and reduce Rx latency in the PHY.
+ */
+ if (((hw->mac.type == e1000_pch2lan) ||
+ (hw->mac.type == e1000_pch_lpt)) && link) {
+ u32 reg;
+
+ reg = er32(STATUS);
+ if (!(reg & (E1000_STATUS_FD | E1000_STATUS_SPEED_MASK))) {
+ u16 emi_addr;
+
+ reg = er32(TIPG);
+ reg &= ~E1000_TIPG_IPGT_MASK;
+ reg |= 0xFF;
+ ew32(TIPG, reg);
+
+ /* Reduce Rx latency in analog PHY */
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ return ret_val;
+
+ if (hw->mac.type == e1000_pch2lan)
+ emi_addr = I82579_RX_CONFIG;
+ else
+ emi_addr = I217_RX_CONFIG;
+
+ ret_val = e1000_write_emi_reg_locked(hw, emi_addr, 0);
+
+ hw->phy.ops.release(hw);
+
+ if (ret_val)
+ return ret_val;
+ }
+ }
+
+ /* Work-around I218 hang issue */
+ if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM3) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) {
+ ret_val = e1000_k1_workaround_lpt_lp(hw, link);
+ if (ret_val)
+ return ret_val;
+ }
+
+ if (hw->mac.type == e1000_pch_lpt) {
+ /* Set platform power management values for
+ * Latency Tolerance Reporting (LTR)
+ */
+ ret_val = e1000_platform_pm_pch_lpt(hw, link);
+ if (ret_val)
+ return ret_val;
+ }
+
/* Clear link partner's EEE ability */
hw->dev_spec.ich8lan.eee_lp_ability = 0;
if (!link)
- return 0; /* No link detected */
+ return 0; /* No link detected */
mac->get_link_status = false;
@@ -923,9 +1428,11 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
e1000e_check_downshift(hw);
/* Enable/Disable EEE after link up */
- ret_val = e1000_set_eee_pchlan(hw);
- if (ret_val)
- return ret_val;
+ if (hw->phy.type > e1000_phy_82579) {
+ ret_val = e1000_set_eee_pchlan(hw);
+ if (ret_val)
+ return ret_val;
+ }
/* If we are forcing speed/duplex, then we simply return since
* we have already determined whether we have link or not.
@@ -1002,10 +1509,6 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
adapter->flags2 |= FLAG2_PCIM2PCI_ARBITER_WA;
- /* Disable EEE by default until IEEE802.3az spec is finalized */
- if (adapter->flags2 & FLAG2_HAS_EEE)
- adapter->hw.dev_spec.ich8lan.eee_disable = true;
-
return 0;
}
@@ -1017,7 +1520,7 @@ static DEFINE_MUTEX(nvm_mutex);
*
* Acquires the mutex for performing NVM operations.
**/
-static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
+static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw __always_unused *hw)
{
mutex_lock(&nvm_mutex);
@@ -1030,7 +1533,7 @@ static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
*
* Releases the mutex used while performing NVM operations.
**/
-static void e1000_release_nvm_ich8lan(struct e1000_hw *hw)
+static void e1000_release_nvm_ich8lan(struct e1000_hw __always_unused *hw)
{
mutex_unlock(&nvm_mutex);
}
@@ -1135,8 +1638,8 @@ static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw)
fwsm = er32(FWSM);
return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
- ((fwsm & E1000_FWSM_MODE_MASK) ==
- (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
+ ((fwsm & E1000_FWSM_MODE_MASK) ==
+ (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
}
/**
@@ -1153,7 +1656,7 @@ static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw)
fwsm = er32(FWSM);
return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
- (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
+ (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
}
/**
@@ -1167,7 +1670,7 @@ static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw)
* contain the MAC address but RAR[1-6] are reserved for manageability (ME).
* Use SHRA[0-3] in place of those reserved for ME.
**/
-static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
+static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
{
u32 rar_low, rar_high;
@@ -1189,10 +1692,13 @@ static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
e1e_flush();
ew32(RAH(index), rar_high);
e1e_flush();
- return;
+ return 0;
}
- if (index < hw->mac.rar_entry_count) {
+ /* RAR[1-6] are owned by manageability. Skip those and program the
+ * next address into the SHRA register array.
+ */
+ if (index < (u32)(hw->mac.rar_entry_count)) {
s32 ret_val;
ret_val = e1000_acquire_swflag_ich8lan(hw);
@@ -1209,7 +1715,7 @@ static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
/* verify the register updates */
if ((er32(SHRAL(index - 1)) == rar_low) &&
(er32(SHRAH(index - 1)) == rar_high))
- return;
+ return 0;
e_dbg("SHRA[%d] might be locked by ME - FWSM=0x%8.8x\n",
(index - 1), er32(FWSM));
@@ -1217,6 +1723,43 @@ static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
out:
e_dbg("Failed to write receive address at index %d\n", index);
+ return -E1000_ERR_CONFIG;
+}
+
+/**
+ * e1000_rar_get_count_pch_lpt - Get the number of available SHRA
+ * @hw: pointer to the HW structure
+ *
+ * Get the number of available receive registers that the Host can
+ * program. SHRA[0-10] are the shared receive address registers
+ * that are shared between the Host and manageability engine (ME).
+ * ME can reserve any number of addresses and the host needs to be
+ * able to tell how many available registers it has access to.
+ **/
+static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw)
+{
+ u32 wlock_mac;
+ u32 num_entries;
+
+ wlock_mac = er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK;
+ wlock_mac >>= E1000_FWSM_WLOCK_MAC_SHIFT;
+
+ switch (wlock_mac) {
+ case 0:
+ /* All SHRA[0..10] and RAR[0] available */
+ num_entries = hw->mac.rar_entry_count;
+ break;
+ case 1:
+ /* Only RAR[0] available */
+ num_entries = 1;
+ break;
+ default:
+ /* SHRA[0..(wlock_mac - 1)] available + RAR[0] */
+ num_entries = wlock_mac + 1;
+ break;
+ }
+
+ return num_entries;
}
/**
@@ -1230,7 +1773,7 @@ out:
* contain the MAC address. SHRA[0-10] are the shared receive address
* registers that are shared between the Host and manageability engine (ME).
**/
-static void e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index)
+static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index)
{
u32 rar_low, rar_high;
u32 wlock_mac;
@@ -1252,7 +1795,7 @@ static void e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index)
e1e_flush();
ew32(RAH(index), rar_high);
e1e_flush();
- return;
+ return 0;
}
/* The manageability engine (ME) can lock certain SHRAR registers that
@@ -1284,12 +1827,13 @@ static void e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index)
/* verify the register updates */
if ((er32(SHRAL_PCH_LPT(index - 1)) == rar_low) &&
(er32(SHRAH_PCH_LPT(index - 1)) == rar_high))
- return;
+ return 0;
}
}
out:
e_dbg("Failed to write receive address at index %d\n", index);
+ return -E1000_ERR_CONFIG;
}
/**
@@ -1302,11 +1846,13 @@ out:
**/
static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
{
- u32 fwsm;
+ bool blocked = false;
+ int i = 0;
- fwsm = er32(FWSM);
-
- return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET;
+ while ((blocked = !(er32(FWSM) & E1000_ICH_FWSM_RSPCIPHY)) &&
+ (i++ < 10))
+ usleep_range(10000, 20000);
+ return blocked ? E1000_BLK_PHY_RESET : 0;
}
/**
@@ -1322,7 +1868,7 @@ static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
u32 strap = er32(STRAP);
u32 freq = (strap & E1000_STRAP_SMT_FREQ_MASK) >>
E1000_STRAP_SMT_FREQ_SHIFT;
- s32 ret_val = 0;
+ s32 ret_val;
strap &= E1000_STRAP_SMBUS_ADDRESS_MASK;
@@ -1440,8 +1986,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
word_addr = (u16)(cnf_base_addr << 1);
for (i = 0; i < cnf_size; i++) {
- ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1,
- &reg_data);
+ ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, &reg_data);
if (ret_val)
goto release;
@@ -1501,13 +2046,13 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
if (ret_val)
goto release;
- status_reg &= BM_CS_STATUS_LINK_UP |
- BM_CS_STATUS_RESOLVED |
- BM_CS_STATUS_SPEED_MASK;
+ status_reg &= (BM_CS_STATUS_LINK_UP |
+ BM_CS_STATUS_RESOLVED |
+ BM_CS_STATUS_SPEED_MASK);
if (status_reg == (BM_CS_STATUS_LINK_UP |
- BM_CS_STATUS_RESOLVED |
- BM_CS_STATUS_SPEED_1000))
+ BM_CS_STATUS_RESOLVED |
+ BM_CS_STATUS_SPEED_1000))
k1_enable = false;
}
@@ -1516,13 +2061,13 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
if (ret_val)
goto release;
- status_reg &= HV_M_STATUS_LINK_UP |
- HV_M_STATUS_AUTONEG_COMPLETE |
- HV_M_STATUS_SPEED_MASK;
+ status_reg &= (HV_M_STATUS_LINK_UP |
+ HV_M_STATUS_AUTONEG_COMPLETE |
+ HV_M_STATUS_SPEED_MASK);
if (status_reg == (HV_M_STATUS_LINK_UP |
- HV_M_STATUS_AUTONEG_COMPLETE |
- HV_M_STATUS_SPEED_1000))
+ HV_M_STATUS_AUTONEG_COMPLETE |
+ HV_M_STATUS_SPEED_1000))
k1_enable = false;
}
@@ -1558,7 +2103,7 @@ release:
**/
s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
{
- s32 ret_val = 0;
+ s32 ret_val;
u32 ctrl_reg = 0;
u32 ctrl_ext = 0;
u32 reg = 0;
@@ -1579,7 +2124,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
if (ret_val)
return ret_val;
- udelay(20);
+ usleep_range(20, 40);
ctrl_ext = er32(CTRL_EXT);
ctrl_reg = er32(CTRL);
@@ -1589,11 +2134,11 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS);
e1e_flush();
- udelay(20);
+ usleep_range(20, 40);
ew32(CTRL, ctrl_reg);
ew32(CTRL_EXT, ctrl_ext);
e1e_flush();
- udelay(20);
+ usleep_range(20, 40);
return 0;
}
@@ -1667,7 +2212,6 @@ release:
return ret_val;
}
-
/**
* e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode
* @hw: pointer to the HW structure
@@ -1727,7 +2271,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
*/
if (hw->phy.revision < 2) {
e1000e_phy_sw_reset(hw);
- ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140);
+ ret_val = e1e_wphy(hw, MII_BMCR, 0x3140);
}
}
@@ -1757,6 +2301,11 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
if (ret_val)
goto release;
ret_val = e1e_wphy_locked(hw, BM_PORT_GEN_CFG, phy_data & 0x00FF);
+ if (ret_val)
+ goto release;
+
+ /* set MSE higher to enable link to stay up when noise is high */
+ ret_val = e1000_write_emi_reg_locked(hw, I82577_MSE_THRESHOLD, 0x0034);
release:
hw->phy.ops.release(hw);
@@ -1780,8 +2329,8 @@ void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw)
if (ret_val)
goto release;
- /* Copy both RAL/H (rar_entry_count) and SHRAL/H (+4) to PHY */
- for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) {
+ /* Copy both RAL/H (rar_entry_count) and SHRAL/H to PHY */
+ for (i = 0; i < (hw->mac.rar_entry_count); i++) {
mac_reg = er32(RAL(i));
hw->phy.ops.write_reg_page(hw, BM_RAR_L(i),
(u16)(mac_reg & 0xFFFF));
@@ -1825,11 +2374,11 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
return ret_val;
if (enable) {
- /* Write Rx addresses (rar_entry_count for RAL/H, +4 for
+ /* Write Rx addresses (rar_entry_count for RAL/H, and
* SHRAL/H) and initial CRC values to the MAC
*/
- for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) {
- u8 mac_addr[ETH_ALEN] = {0};
+ for (i = 0; i < hw->mac.rar_entry_count; i++) {
+ u8 mac_addr[ETH_ALEN] = { 0 };
u32 addr_high, addr_low;
addr_high = er32(RAH(i));
@@ -1860,8 +2409,8 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
ew32(RCTL, mac_reg);
ret_val = e1000e_read_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_CTRL_OFFSET,
- &data);
+ E1000_KMRNCTRLSTA_CTRL_OFFSET,
+ &data);
if (ret_val)
return ret_val;
ret_val = e1000e_write_kmrn_reg(hw,
@@ -1870,8 +2419,8 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
if (ret_val)
return ret_val;
ret_val = e1000e_read_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_HD_CTRL,
- &data);
+ E1000_KMRNCTRLSTA_HD_CTRL,
+ &data);
if (ret_val)
return ret_val;
data &= ~(0xF << 8);
@@ -1918,8 +2467,8 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
ew32(RCTL, mac_reg);
ret_val = e1000e_read_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_CTRL_OFFSET,
- &data);
+ E1000_KMRNCTRLSTA_CTRL_OFFSET,
+ &data);
if (ret_val)
return ret_val;
ret_val = e1000e_write_kmrn_reg(hw,
@@ -1928,8 +2477,8 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
if (ret_val)
return ret_val;
ret_val = e1000e_read_kmrn_reg(hw,
- E1000_KMRNCTRLSTA_HD_CTRL,
- &data);
+ E1000_KMRNCTRLSTA_HD_CTRL,
+ &data);
if (ret_val)
return ret_val;
data &= ~(0xF << 8);
@@ -1983,22 +2532,18 @@ static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw)
/* Set MDIO slow mode before any other MDIO access */
ret_val = e1000_set_mdio_slow_mode_hv(hw);
+ if (ret_val)
+ return ret_val;
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
return ret_val;
- ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR, I82579_MSE_THRESHOLD);
- if (ret_val)
- goto release;
/* set MSE higher to enable link to stay up when noise is high */
- ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, 0x0034);
- if (ret_val)
- goto release;
- ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR, I82579_MSE_LINK_DOWN);
+ ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_THRESHOLD, 0x0034);
if (ret_val)
goto release;
/* drop link after 5 times MSE threshold was reached */
- ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, 0x0005);
+ ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_LINK_DOWN, 0x0005);
release:
hw->phy.ops.release(hw);
@@ -2009,51 +2554,44 @@ release:
* e1000_k1_gig_workaround_lv - K1 Si workaround
* @hw: pointer to the HW structure
*
- * Workaround to set the K1 beacon duration for 82579 parts
+ * Workaround to set the K1 beacon duration for 82579 parts in 10Mbps
+ * Disable K1 in 1000Mbps and 100Mbps
**/
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
{
s32 ret_val = 0;
u16 status_reg = 0;
- u32 mac_reg;
- u16 phy_reg;
if (hw->mac.type != e1000_pch2lan)
return 0;
- /* Set K1 beacon duration based on 1Gbps speed or otherwise */
+ /* Set K1 beacon duration based on 10Mbs speed */
ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
if (ret_val)
return ret_val;
if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
== (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
- mac_reg = er32(FEXTNVM4);
- mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
-
- ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
- if (ret_val)
- return ret_val;
-
- if (status_reg & HV_M_STATUS_SPEED_1000) {
+ if (status_reg &
+ (HV_M_STATUS_SPEED_1000 | HV_M_STATUS_SPEED_100)) {
u16 pm_phy_reg;
- mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
- phy_reg &= ~I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
- /* LV 1G Packet drop issue wa */
+ /* LV 1G/100 Packet drop issue wa */
ret_val = e1e_rphy(hw, HV_PM_CTRL, &pm_phy_reg);
if (ret_val)
return ret_val;
- pm_phy_reg &= ~HV_PM_CTRL_PLL_STOP_IN_K1_GIGA;
+ pm_phy_reg &= ~HV_PM_CTRL_K1_ENABLE;
ret_val = e1e_wphy(hw, HV_PM_CTRL, pm_phy_reg);
if (ret_val)
return ret_val;
} else {
+ u32 mac_reg;
+
+ mac_reg = er32(FEXTNVM4);
+ mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
- phy_reg |= I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
+ ew32(FEXTNVM4, mac_reg);
}
- ew32(FEXTNVM4, mac_reg);
- ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
}
return ret_val;
@@ -2099,7 +2637,7 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
do {
data = er32(STATUS);
data &= E1000_STATUS_LAN_INIT_DONE;
- udelay(100);
+ usleep_range(100, 200);
} while ((!data) && --loop);
/* If basic configuration is incomplete before the above loop
@@ -2172,10 +2710,9 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
return ret_val;
- ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR,
- I82579_LPI_UPDATE_TIMER);
- if (!ret_val)
- ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, 0x1387);
+ ret_val = e1000_write_emi_reg_locked(hw,
+ I82579_LPI_UPDATE_TIMER,
+ 0x1387);
hw->phy.ops.release(hw);
}
@@ -2219,7 +2756,7 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
**/
static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
{
- s32 ret_val = 0;
+ s32 ret_val;
u16 oem_reg;
ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg);
@@ -2277,6 +2814,8 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
/* When LPLU is enabled, we should disable SmartSpeed */
ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
+ if (ret_val)
+ return ret_val;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
if (ret_val)
@@ -2443,7 +2982,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
/* Check bank 0 */
ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset,
- &sig_byte);
+ &sig_byte);
if (ret_val)
return ret_val;
if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
@@ -2454,8 +2993,8 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
/* Check bank 1 */
ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset +
- bank1_offset,
- &sig_byte);
+ bank1_offset,
+ &sig_byte);
if (ret_val)
return ret_val;
if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
@@ -2508,8 +3047,8 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
ret_val = 0;
for (i = 0; i < words; i++) {
- if (dev_spec->shadow_ram[offset+i].modified) {
- data[i] = dev_spec->shadow_ram[offset+i].value;
+ if (dev_spec->shadow_ram[offset + i].modified) {
+ data[i] = dev_spec->shadow_ram[offset + i].value;
} else {
ret_val = e1000_read_flash_word_ich8lan(hw,
act_offset + i,
@@ -2691,11 +3230,11 @@ static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
s32 ret_val = -E1000_ERR_NVM;
u8 count = 0;
- if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
return -E1000_ERR_NVM;
- flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
- hw->nvm.flash_base_addr;
+ flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr);
do {
udelay(1);
@@ -2712,8 +3251,9 @@ static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
- ret_val = e1000_flash_cycle_ich8lan(hw,
- ICH_FLASH_READ_COMMAND_TIMEOUT);
+ ret_val =
+ e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_READ_COMMAND_TIMEOUT);
/* Check if FCERR is set to 1, if set to 1, clear it
* and try the whole sequence a few more times, else
@@ -2772,8 +3312,8 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
nvm->ops.acquire(hw);
for (i = 0; i < words; i++) {
- dev_spec->shadow_ram[offset+i].modified = true;
- dev_spec->shadow_ram[offset+i].value = data[i];
+ dev_spec->shadow_ram[offset + i].modified = true;
+ dev_spec->shadow_ram[offset + i].value = data[i];
}
nvm->ops.release(hw);
@@ -2813,7 +3353,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
* write to bank 0 etc. We also need to erase the segment that
* is going to be written
*/
- ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
+ ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
if (ret_val) {
e_dbg("Could not detect valid bank, assuming bank 0\n");
bank = 0;
@@ -2842,8 +3382,8 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
data = dev_spec->shadow_ram[i].value;
} else {
ret_val = e1000_read_flash_word_ich8lan(hw, i +
- old_bank_offset,
- &data);
+ old_bank_offset,
+ &data);
if (ret_val)
break;
}
@@ -2861,7 +3401,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
/* Convert offset to bytes. */
act_offset = (i + new_bank_offset) << 1;
- udelay(100);
+ usleep_range(100, 200);
/* Write the bytes to the new bank. */
ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
act_offset,
@@ -2869,10 +3409,10 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
if (ret_val)
break;
- udelay(100);
+ usleep_range(100, 200);
ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
- act_offset + 1,
- (u8)(data >> 8));
+ act_offset + 1,
+ (u8)(data >> 8));
if (ret_val)
break;
}
@@ -2949,19 +3489,32 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
{
s32 ret_val;
u16 data;
+ u16 word;
+ u16 valid_csum_mask;
- /* Read 0x19 and check bit 6. If this bit is 0, the checksum
- * needs to be fixed. This bit is an indication that the NVM
- * was prepared by OEM software and did not calculate the
- * checksum...a likely scenario.
+ /* Read NVM and check Invalid Image CSUM bit. If this bit is 0,
+ * the checksum needs to be fixed. This bit is an indication that
+ * the NVM was prepared by OEM software and did not calculate
+ * the checksum...a likely scenario.
*/
- ret_val = e1000_read_nvm(hw, 0x19, 1, &data);
+ switch (hw->mac.type) {
+ case e1000_pch_lpt:
+ word = NVM_COMPAT;
+ valid_csum_mask = NVM_COMPAT_VALID_CSUM;
+ break;
+ default:
+ word = NVM_FUTURE_INIT_WORD1;
+ valid_csum_mask = NVM_FUTURE_INIT_WORD1_VALID_CSUM;
+ break;
+ }
+
+ ret_val = e1000_read_nvm(hw, word, 1, &data);
if (ret_val)
return ret_val;
- if (!(data & 0x40)) {
- data |= 0x40;
- ret_val = e1000_write_nvm(hw, 0x19, 1, &data);
+ if (!(data & valid_csum_mask)) {
+ data |= valid_csum_mask;
+ ret_val = e1000_write_nvm(hw, word, 1, &data);
if (ret_val)
return ret_val;
ret_val = e1000e_update_nvm_checksum(hw);
@@ -3035,8 +3588,8 @@ static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
offset > ICH_FLASH_LINEAR_ADDR_MASK)
return -E1000_ERR_NVM;
- flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
- hw->nvm.flash_base_addr;
+ flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr);
do {
udelay(1);
@@ -3047,7 +3600,7 @@ static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
- hsflctl.hsf_ctrl.fldbcount = size -1;
+ hsflctl.hsf_ctrl.fldbcount = size - 1;
hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
@@ -3063,8 +3616,9 @@ static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
/* check if FCERR is set to 1 , if set to 1, clear it
* and try the whole sequence a few more times else done
*/
- ret_val = e1000_flash_cycle_ich8lan(hw,
- ICH_FLASH_WRITE_COMMAND_TIMEOUT);
+ ret_val =
+ e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_WRITE_COMMAND_TIMEOUT);
if (!ret_val)
break;
@@ -3123,7 +3677,7 @@ static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
for (program_retries = 0; program_retries < 100; program_retries++) {
e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset);
- udelay(100);
+ usleep_range(100, 200);
ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
if (!ret_val)
break;
@@ -3194,8 +3748,10 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
flash_linear_addr = hw->nvm.flash_base_addr;
flash_linear_addr += (bank) ? flash_bank_size : 0;
- for (j = 0; j < iteration ; j++) {
+ for (j = 0; j < iteration; j++) {
do {
+ u32 timeout = ICH_FLASH_ERASE_COMMAND_TIMEOUT;
+
/* Steps */
ret_val = e1000_flash_cycle_init_ich8lan(hw);
if (ret_val)
@@ -3215,8 +3771,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
flash_linear_addr += (j * sector_size);
ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
- ret_val = e1000_flash_cycle_ich8lan(hw,
- ICH_FLASH_ERASE_COMMAND_TIMEOUT);
+ ret_val = e1000_flash_cycle_ich8lan(hw, timeout);
if (!ret_val)
break;
@@ -3255,8 +3810,7 @@ static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
return ret_val;
}
- if (*data == ID_LED_RESERVED_0000 ||
- *data == ID_LED_RESERVED_FFFF)
+ if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
*data = ID_LED_DEFAULT_ICH8LAN;
return 0;
@@ -3496,9 +4050,9 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
/* Initialize identification LED */
ret_val = mac->ops.id_led_init(hw);
+ /* An error is not fatal and we should not stop init due to this */
if (ret_val)
e_dbg("Error initializing identification LED\n");
- /* This is not fatal and we should not stop init due to this */
/* Setup the receive address. */
e1000e_init_rx_addrs(hw, mac->rar_entry_count);
@@ -3526,16 +4080,16 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
/* Set the transmit descriptor write-back policy for both queues */
txdctl = er32(TXDCTL(0));
- txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
- E1000_TXDCTL_FULL_TX_DESC_WB;
- txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
- E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
+ txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB);
+ txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) |
+ E1000_TXDCTL_MAX_TX_DESC_PREFETCH);
ew32(TXDCTL(0), txdctl);
txdctl = er32(TXDCTL(1));
- txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
- E1000_TXDCTL_FULL_TX_DESC_WB;
- txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
- E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
+ txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB);
+ txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) |
+ E1000_TXDCTL_MAX_TX_DESC_PREFETCH);
ew32(TXDCTL(1), txdctl);
/* ICH8 has opposite polarity of no_snoop bits.
@@ -3544,7 +4098,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
if (mac->type == e1000_ich8lan)
snoop = PCIE_ICH8_SNOOP_ALL;
else
- snoop = (u32) ~(PCIE_NO_SNOOP_ALL);
+ snoop = (u32)~(PCIE_NO_SNOOP_ALL);
e1000e_set_pcie_no_snoop(hw, snoop);
ctrl_ext = er32(CTRL_EXT);
@@ -3560,6 +4114,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
return ret_val;
}
+
/**
* e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
* @hw: pointer to the HW structure
@@ -3624,6 +4179,17 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
if (hw->mac.type == e1000_ich8lan)
reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS);
ew32(RFCTL, reg);
+
+ /* Enable ECC on Lynxpoint */
+ if (hw->mac.type == e1000_pch_lpt) {
+ reg = er32(PBECCSTS);
+ reg |= E1000_PBECCSTS_ECC_ENABLE;
+ ew32(PBECCSTS, reg);
+
+ reg = er32(CTRL);
+ reg |= E1000_CTRL_MEHE;
+ ew32(CTRL, reg);
+ }
}
/**
@@ -3660,8 +4226,7 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
*/
hw->fc.current_mode = hw->fc.requested_mode;
- e_dbg("After fix-ups FlowControl is now = %x\n",
- hw->fc.current_mode);
+ e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode);
/* Continue to configure the copper link. */
ret_val = hw->mac.ops.setup_physical_interface(hw);
@@ -3711,12 +4276,12 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
if (ret_val)
return ret_val;
ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
- &reg_data);
+ &reg_data);
if (ret_val)
return ret_val;
reg_data |= 0x3F;
ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
- reg_data);
+ reg_data);
if (ret_val)
return ret_val;
@@ -3734,7 +4299,6 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
break;
case e1000_phy_82577:
case e1000_phy_82579:
- case e1000_phy_i217:
ret_val = e1000_copper_link_setup_82577(hw);
if (ret_val)
return ret_val;
@@ -3770,6 +4334,31 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
}
/**
+ * e1000_setup_copper_link_pch_lpt - Configure MAC/PHY interface
+ * @hw: pointer to the HW structure
+ *
+ * Calls the PHY specific link setup function and then calls the
+ * generic setup_copper_link to finish configuring the link for
+ * Lynxpoint PCH devices
+ **/
+static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw)
+{
+ u32 ctrl;
+ s32 ret_val;
+
+ ctrl = er32(CTRL);
+ ctrl |= E1000_CTRL_SLU;
+ ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
+ ew32(CTRL, ctrl);
+
+ ret_val = e1000_copper_link_setup_82577(hw);
+ if (ret_val)
+ return ret_val;
+
+ return e1000e_setup_copper_link(hw);
+}
+
+/**
* e1000_get_link_up_info_ich8lan - Get current link speed and duplex
* @hw: pointer to the HW structure
* @speed: pointer to store current link speed
@@ -3789,8 +4378,7 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
return ret_val;
if ((hw->mac.type == e1000_ich8lan) &&
- (hw->phy.type == e1000_phy_igp_3) &&
- (*speed == SPEED_1000)) {
+ (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) {
ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw);
}
@@ -3873,7 +4461,7 @@ static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
* /disabled - false).
**/
void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
- bool state)
+ bool state)
{
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
@@ -3899,7 +4487,7 @@ void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw)
{
u32 reg;
u16 data;
- u8 retry = 0;
+ u8 retry = 0;
if (hw->phy.type != e1000_phy_igp_3)
return;
@@ -3955,17 +4543,16 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
return;
ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
- &reg_data);
+ &reg_data);
if (ret_val)
return;
reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK;
ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
- reg_data);
+ reg_data);
if (ret_val)
return;
reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK;
- ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
- reg_data);
+ e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, reg_data);
}
/**
@@ -3990,8 +4577,18 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
phy_ctrl = er32(PHY_CTRL);
phy_ctrl |= E1000_PHY_CTRL_GBE_DISABLE;
+
if (hw->phy.type == e1000_phy_i217) {
- u16 phy_reg;
+ u16 phy_reg, device_id = hw->adapter->pdev->device;
+
+ if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
+ (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
+ (device_id == E1000_DEV_ID_PCH_I218_LM3) ||
+ (device_id == E1000_DEV_ID_PCH_I218_V3)) {
+ u32 fextnvm6 = er32(FEXTNVM6);
+
+ ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK);
+ }
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
@@ -4000,19 +4597,20 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
if (!dev_spec->eee_disable) {
u16 eee_advert;
- ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR,
- I217_EEE_ADVERTISEMENT);
+ ret_val =
+ e1000_read_emi_reg_locked(hw,
+ I217_EEE_ADVERTISEMENT,
+ &eee_advert);
if (ret_val)
goto release;
- e1e_rphy_locked(hw, I82579_EMI_DATA, &eee_advert);
/* Disable LPLU if both link partners support 100BaseT
* EEE and 100Full is advertised on both ends of the
* link.
*/
- if ((eee_advert & I217_EEE_100_SUPPORTED) &&
+ if ((eee_advert & I82579_EEE_100_SUPPORTED) &&
(dev_spec->eee_lp_ability &
- I217_EEE_100_SUPPORTED) &&
+ I82579_EEE_100_SUPPORTED) &&
(hw->phy.autoneg_advertised & ADVERTISE_100_FULL))
phy_ctrl &= ~(E1000_PHY_CTRL_D0A_LPLU |
E1000_PHY_CTRL_NOND0A_LPLU);
@@ -4026,7 +4624,6 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
* The SMBus release must also be disabled on LCD reset.
*/
if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
-
/* Enable proxy to reset only on power good. */
e1e_rphy_locked(hw, I217_PROXY_CTRL, &phy_reg);
phy_reg |= I217_PROXY_CTRL_AUTO_DISABLE;
@@ -4287,7 +4884,7 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
u32 bank = 0;
u32 status;
- e1000e_get_cfg_done(hw);
+ e1000e_get_cfg_done_generic(hw);
/* Wait for indication from h/w that it has completed basic config */
if (hw->mac.type >= e1000_ich10lan) {
@@ -4416,10 +5013,11 @@ static const struct e1000_mac_operations ich8_mac_ops = {
.reset_hw = e1000_reset_hw_ich8lan,
.init_hw = e1000_init_hw_ich8lan,
.setup_link = e1000_setup_link_ich8lan,
- .setup_physical_interface= e1000_setup_copper_link_ich8lan,
+ .setup_physical_interface = e1000_setup_copper_link_ich8lan,
/* id_led_init dependent on mac type */
.config_collision_dist = e1000e_config_collision_dist_generic,
.rar_set = e1000e_rar_set_generic,
+ .rar_get_count = e1000e_rar_get_count_generic,
};
static const struct e1000_phy_operations ich8_phy_ops = {
@@ -4438,7 +5036,7 @@ static const struct e1000_phy_operations ich8_phy_ops = {
static const struct e1000_nvm_operations ich8_nvm_ops = {
.acquire = e1000_acquire_nvm_ich8lan,
- .read = e1000_read_nvm_ich8lan,
+ .read = e1000_read_nvm_ich8lan,
.release = e1000_release_nvm_ich8lan,
.reload = e1000e_reload_nvm_generic,
.update = e1000_update_nvm_checksum_ich8lan,
@@ -4520,6 +5118,7 @@ const struct e1000_info e1000_pch2_info = {
.mac = e1000_pch2lan,
.flags = FLAG_IS_ICH
| FLAG_HAS_WOL
+ | FLAG_HAS_HW_TIMESTAMP
| FLAG_HAS_CTRLEXT_ON_LOAD
| FLAG_HAS_AMT
| FLAG_HAS_FLASH
@@ -4528,7 +5127,7 @@ const struct e1000_info e1000_pch2_info = {
.flags2 = FLAG2_HAS_PHY_STATS
| FLAG2_HAS_EEE,
.pba = 26,
- .max_hw_frame_size = DEFAULT_JUMBO,
+ .max_hw_frame_size = 9018,
.get_variants = e1000_get_variants_ich8lan,
.mac_ops = &ich8_mac_ops,
.phy_ops = &ich8_phy_ops,
@@ -4539,6 +5138,7 @@ const struct e1000_info e1000_pch_lpt_info = {
.mac = e1000_pch_lpt,
.flags = FLAG_IS_ICH
| FLAG_HAS_WOL
+ | FLAG_HAS_HW_TIMESTAMP
| FLAG_HAS_CTRLEXT_ON_LOAD
| FLAG_HAS_AMT
| FLAG_HAS_FLASH
@@ -4547,7 +5147,7 @@ const struct e1000_info e1000_pch_lpt_info = {
.flags2 = FLAG2_HAS_PHY_STATS
| FLAG2_HAS_EEE,
.pba = 26,
- .max_hw_frame_size = DEFAULT_JUMBO,
+ .max_hw_frame_size = 9018,
.get_variants = e1000_get_variants_ich8lan,
.mac_ops = &ich8_mac_ops,
.phy_ops = &ich8_phy_ops,