diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 2 | ||||
| -rw-r--r-- | drivers/net/e1000e/defines.h | 21 | ||||
| -rw-r--r-- | drivers/net/e1000e/e1000.h | 57 | ||||
| -rw-r--r-- | drivers/net/e1000e/es2lan.c | 2 | ||||
| -rw-r--r-- | drivers/net/e1000e/ethtool.c | 37 | ||||
| -rw-r--r-- | drivers/net/e1000e/hw.h | 16 | ||||
| -rw-r--r-- | drivers/net/e1000e/ich8lan.c | 431 | ||||
| -rw-r--r-- | drivers/net/e1000e/lib.c | 38 | ||||
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 206 | ||||
| -rw-r--r-- | drivers/net/e1000e/phy.c | 699 |
10 files changed, 1441 insertions, 68 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 8203964373ce..c4b3f4fe91ae 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -1587,6 +1587,7 @@ static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw) static struct e1000_mac_operations e82571_mac_ops = { /* .check_mng_mode: mac type dependent */ /* .check_for_link: media type dependent */ + .id_led_init = e1000e_id_led_init, .cleanup_led = e1000e_cleanup_led_generic, .clear_hw_cntrs = e1000_clear_hw_cntrs_82571, .get_bus_info = e1000e_get_bus_info_pcie, @@ -1598,6 +1599,7 @@ static struct e1000_mac_operations e82571_mac_ops = { .init_hw = e1000_init_hw_82571, .setup_link = e1000_setup_link_82571, /* .setup_physical_interface: media type dependent */ + .setup_led = e1000e_setup_led_generic, }; static struct e1000_phy_operations e82_phy_ops_igp = { diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 9acfecddb273..674a47e43034 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -56,6 +56,7 @@ /* Wake Up Control */ #define E1000_WUC_APME 0x00000001 /* APM Enable */ #define E1000_WUC_PME_EN 0x00000002 /* PME Enable */ +#define E1000_WUC_PHY_WAKE 0x00000100 /* if PHY supports wakeup */ /* Wake Up Filter Control */ #define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ @@ -65,6 +66,13 @@ #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ #define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ +/* Wake Up Status */ +#define E1000_WUS_LNKC E1000_WUFC_LNKC +#define E1000_WUS_MAG E1000_WUFC_MAG +#define E1000_WUS_EX E1000_WUFC_EX +#define E1000_WUS_MC E1000_WUFC_MC +#define E1000_WUS_BC E1000_WUFC_BC + /* Extended Device Control */ #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ @@ -77,6 +85,7 @@ #define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */ #define E1000_CTRL_EXT_INT_TIMER_CLR 0x20000000 /* Clear Interrupt timers after IMS clear */ #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ +#define E1000_CTRL_EXT_PHYPDEN 0x00100000 /* Receive Descriptor bit definitions */ #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */ @@ -140,6 +149,7 @@ #define E1000_RCTL_DTYP_PS 0x00000400 /* Packet Split descriptor */ #define E1000_RCTL_RDMTS_HALF 0x00000000 /* Rx desc min threshold size */ #define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */ +#define E1000_RCTL_MO_3 0x00003000 /* multicast offset 15:4 */ #define E1000_RCTL_BAM 0x00008000 /* broadcast enable */ /* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */ #define E1000_RCTL_SZ_2048 0x00000000 /* Rx buffer size 2048 */ @@ -153,6 +163,7 @@ #define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */ #define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */ #define E1000_RCTL_CFI 0x00100000 /* canonical form indicator */ +#define E1000_RCTL_PMCF 0x00800000 /* pass MAC control frames */ #define E1000_RCTL_BSEX 0x02000000 /* Buffer size extension */ #define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */ @@ -255,11 +266,16 @@ #define AUTONEG_ADVERTISE_SPEED_DEFAULT E1000_ALL_SPEED_DUPLEX /* LED Control */ +#define E1000_PHY_LED0_MODE_MASK 0x00000007 +#define E1000_PHY_LED0_IVRT 0x00000008 +#define E1000_PHY_LED0_MASK 0x0000001F + #define E1000_LEDCTL_LED0_MODE_MASK 0x0000000F #define E1000_LEDCTL_LED0_MODE_SHIFT 0 #define E1000_LEDCTL_LED0_IVRT 0x00000040 #define E1000_LEDCTL_LED0_BLINK 0x00000080 +#define E1000_LEDCTL_MODE_LINK_UP 0x2 #define E1000_LEDCTL_MODE_LED_ON 0xE #define E1000_LEDCTL_MODE_LED_OFF 0xF @@ -676,6 +692,8 @@ #define IFE_C_E_PHY_ID 0x02A80310 #define BME1000_E_PHY_ID 0x01410CB0 #define BME1000_E_PHY_ID_R2 0x01410CB1 +#define I82577_E_PHY_ID 0x01540050 +#define I82578_E_PHY_ID 0x004DD040 /* M88E1000 Specific Registers */ #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */ @@ -729,6 +747,9 @@ #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800 +#define I82578_EPSCR_DOWNSHIFT_ENABLE 0x0020 +#define I82578_EPSCR_DOWNSHIFT_COUNTER_MASK 0x001C + /* BME1000 PHY Specific Control Register */ #define BME1000_PSCR_ENABLE_DOWNSHIFT 0x0800 /* 1 = enable downshift */ diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index b9dc612082e0..d6e491bc58c9 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -98,6 +98,49 @@ struct e1000_info; #define DEFAULT_JUMBO 9234 +/* BM/HV Specific Registers */ +#define BM_PORT_CTRL_PAGE 769 + +#define PHY_UPPER_SHIFT 21 +#define BM_PHY_REG(page, reg) \ + (((reg) & MAX_PHY_REG_ADDRESS) |\ + (((page) & 0xFFFF) << PHY_PAGE_SHIFT) |\ + (((reg) & ~MAX_PHY_REG_ADDRESS) << (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT))) + +/* PHY Wakeup Registers and defines */ +#define BM_RCTL PHY_REG(BM_WUC_PAGE, 0) +#define BM_WUC PHY_REG(BM_WUC_PAGE, 1) +#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2) +#define BM_WUS PHY_REG(BM_WUC_PAGE, 3) +#define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2))) +#define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2))) +#define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2))) +#define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2))) +#define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1))) + +#define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */ +#define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */ +#define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */ +#define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */ +#define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */ +#define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */ +#define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */ + +#define HV_SCC_UPPER PHY_REG(778, 16) /* Single Collision Count */ +#define HV_SCC_LOWER PHY_REG(778, 17) +#define HV_ECOL_UPPER PHY_REG(778, 18) /* Excessive Collision Count */ +#define HV_ECOL_LOWER PHY_REG(778, 19) +#define HV_MCC_UPPER PHY_REG(778, 20) /* Multiple Collision Count */ +#define HV_MCC_LOWER PHY_REG(778, 21) +#define HV_LATECOL_UPPER PHY_REG(778, 23) /* Late Collision Count */ +#define HV_LATECOL_LOWER PHY_REG(778, 24) +#define HV_COLC_UPPER PHY_REG(778, 25) /* Collision Count */ +#define HV_COLC_LOWER PHY_REG(778, 26) +#define HV_DC_UPPER PHY_REG(778, 27) /* Defer Count */ +#define HV_DC_LOWER PHY_REG(778, 28) +#define HV_TNCRS_UPPER PHY_REG(778, 29) /* Transmit with no CRS */ +#define HV_TNCRS_LOWER PHY_REG(778, 30) + enum e1000_boards { board_82571, board_82572, @@ -108,6 +151,7 @@ enum e1000_boards { board_ich8lan, board_ich9lan, board_ich10lan, + board_pchlan, }; struct e1000_queue_stats { @@ -305,6 +349,7 @@ struct e1000_adapter { unsigned int flags2; struct work_struct downshift_task; struct work_struct update_phy_task; + struct work_struct led_blink_task; }; struct e1000_info { @@ -355,6 +400,7 @@ struct e1000_info { /* CRC Stripping defines */ #define FLAG2_CRC_STRIPPING (1 << 0) +#define FLAG2_HAS_PHY_WAKEUP (1 << 1) #define E1000_RX_DESC_PS(R, i) \ (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) @@ -408,6 +454,7 @@ extern struct e1000_info e1000_82583_info; extern struct e1000_info e1000_ich8_info; extern struct e1000_info e1000_ich9_info; extern struct e1000_info e1000_ich10_info; +extern struct e1000_info e1000_pch_info; extern struct e1000_info e1000_es2_info; extern s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num); @@ -429,6 +476,7 @@ extern void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw); extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw); extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw); extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw); +extern s32 e1000e_setup_led_generic(struct e1000_hw *hw); extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw); extern s32 e1000e_led_on_generic(struct e1000_hw *hw); extern s32 e1000e_led_off_generic(struct e1000_hw *hw); @@ -497,6 +545,15 @@ extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw); extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data); extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data); extern s32 e1000e_check_downshift(struct e1000_hw *hw); +extern s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data); +extern s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data); +extern s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow); +extern s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw); +extern s32 e1000_copper_link_setup_82577(struct e1000_hw *hw); +extern s32 e1000_check_polarity_82577(struct e1000_hw *hw); +extern s32 e1000_get_phy_info_82577(struct e1000_hw *hw); +extern s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw); +extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw); static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw) { diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c index 6cc3bdf4acdb..ae5d73689353 100644 --- a/drivers/net/e1000e/es2lan.c +++ b/drivers/net/e1000e/es2lan.c @@ -1366,6 +1366,7 @@ static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw) } static struct e1000_mac_operations es2_mac_ops = { + .id_led_init = e1000e_id_led_init, .check_mng_mode = e1000e_check_mng_mode_generic, /* check_for_link dependent on media type */ .cleanup_led = e1000e_cleanup_led_generic, @@ -1379,6 +1380,7 @@ static struct e1000_mac_operations es2_mac_ops = { .init_hw = e1000_init_hw_80003es2lan, .setup_link = e1000e_setup_link, /* setup_physical_interface dependent on media type */ + .setup_led = e1000e_setup_led_generic, }; static struct e1000_phy_operations es2_phy_ops = { diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 4d25ede88369..3d6435617527 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -776,6 +776,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) u32 after; u32 i; u32 toggle; + u32 mask; /* * The status register is Read Only, so a write should fail. @@ -788,17 +789,9 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) case e1000_80003es2lan: toggle = 0x7FFFF3FF; break; - case e1000_82573: - case e1000_82574: - case e1000_82583: - case e1000_ich8lan: - case e1000_ich9lan: - case e1000_ich10lan: + default: toggle = 0x7FFFF033; break; - default: - toggle = 0xFFFFF833; - break; } before = er32(STATUS); @@ -844,11 +837,18 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); + mask = 0x8003FFFF; + switch (mac->type) { + case e1000_ich10lan: + case e1000_pchlan: + mask |= (1 << 18); + break; + default: + break; + } for (i = 0; i < mac->rar_entry_count; i++) REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), - ((mac->type == e1000_ich10lan) ? - 0x8007FFFF : 0x8003FFFF), - 0xFFFFFFFF); + mask, 0xFFFFFFFF); for (i = 0; i < mac->mta_reg_count; i++) REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); @@ -1786,15 +1786,22 @@ static int e1000_set_wol(struct net_device *netdev, /* bit defines for adapter->led_status */ #define E1000_LED_ON 0 -static void e1000_led_blink_callback(unsigned long data) +static void e1000e_led_blink_task(struct work_struct *work) { - struct e1000_adapter *adapter = (struct e1000_adapter *) data; + struct e1000_adapter *adapter = container_of(work, + struct e1000_adapter, led_blink_task); if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) adapter->hw.mac.ops.led_off(&adapter->hw); else adapter->hw.mac.ops.led_on(&adapter->hw); +} + +static void e1000_led_blink_callback(unsigned long data) +{ + struct e1000_adapter *adapter = (struct e1000_adapter *) data; + schedule_work(&adapter->led_blink_task); mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); } @@ -1807,7 +1814,9 @@ static int e1000_phys_id(struct net_device *netdev, u32 data) data = INT_MAX; if ((hw->phy.type == e1000_phy_ife) || + (hw->mac.type == e1000_pchlan) || (hw->mac.type == e1000_82574)) { + INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); if (!adapter->blink_timer.function) { init_timer(&adapter->blink_timer); adapter->blink_timer.function = diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 6cdb703be951..fce3f0529e4c 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -193,7 +193,11 @@ enum e1e_registers { E1000_RXCSUM = 0x05000, /* Rx Checksum Control - RW */ E1000_RFCTL = 0x05008, /* Receive Filter Control */ E1000_MTA = 0x05200, /* Multicast Table Array - RW Array */ - E1000_RA = 0x05400, /* Receive Address - RW Array */ + E1000_RAL_BASE = 0x05400, /* Receive Address Low - RW */ +#define E1000_RAL(_n) (E1000_RAL_BASE + ((_n) * 8)) +#define E1000_RA (E1000_RAL(0)) + E1000_RAH_BASE = 0x05404, /* Receive Address High - RW */ +#define E1000_RAH(_n) (E1000_RAH_BASE + ((_n) * 8)) E1000_VFTA = 0x05600, /* VLAN Filter Table Array - RW Array */ E1000_WUC = 0x05800, /* Wakeup Control - RW */ E1000_WUFC = 0x05808, /* Wakeup Filter Control - RW */ @@ -368,6 +372,10 @@ enum e1e_registers { #define E1000_DEV_ID_ICH10_R_BM_V 0x10CE #define E1000_DEV_ID_ICH10_D_BM_LM 0x10DE #define E1000_DEV_ID_ICH10_D_BM_LF 0x10DF +#define E1000_DEV_ID_PCH_M_HV_LM 0x10EA +#define E1000_DEV_ID_PCH_M_HV_LC 0x10EB +#define E1000_DEV_ID_PCH_D_HV_DM 0x10EF +#define E1000_DEV_ID_PCH_D_HV_DC 0x10F0 #define E1000_REVISION_4 4 @@ -383,6 +391,7 @@ enum e1000_mac_type { e1000_ich8lan, e1000_ich9lan, e1000_ich10lan, + e1000_pchlan, }; enum e1000_media_type { @@ -417,6 +426,8 @@ enum e1000_phy_type { e1000_phy_igp_3, e1000_phy_ife, e1000_phy_bm, + e1000_phy_82578, + e1000_phy_82577, }; enum e1000_bus_width { @@ -720,6 +731,7 @@ struct e1000_host_mng_command_info { /* Function pointers and static data for the MAC. */ struct e1000_mac_operations { + s32 (*id_led_init)(struct e1000_hw *); bool (*check_mng_mode)(struct e1000_hw *); s32 (*check_for_link)(struct e1000_hw *); s32 (*cleanup_led)(struct e1000_hw *); @@ -733,11 +745,13 @@ struct e1000_mac_operations { s32 (*init_hw)(struct e1000_hw *); s32 (*setup_link)(struct e1000_hw *); s32 (*setup_physical_interface)(struct e1000_hw *); + s32 (*setup_led)(struct e1000_hw *); }; /* Function pointers for the PHY. */ struct e1000_phy_operations { s32 (*acquire_phy)(struct e1000_hw *); + s32 (*check_polarity)(struct e1000_hw *); s32 (*check_reset_block)(struct e1000_hw *); s32 (*commit_phy)(struct e1000_hw *); s32 (*force_speed_duplex)(struct e1000_hw *); diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index b63d9878b0ac..b69c8190da30 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -48,6 +48,10 @@ * 82567LF-3 Gigabit Network Connection * 82567LM-3 Gigabit Network Connection * 82567LM-4 Gigabit Network Connection + * 82577LM Gigabit Network Connection + * 82577LC Gigabit Network Connection + * 82578DM Gigabit Network Connection + * 82578DC Gigabit Network Connection */ #include <linux/netdevice.h> @@ -116,6 +120,8 @@ #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 */ + /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ /* Offset 04h HSFSTS */ union ich8_hws_flash_status { @@ -186,6 +192,14 @@ static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, 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); +static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw); +static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); +static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); +static s32 e1000_led_on_pchlan(struct e1000_hw *hw); +static s32 e1000_led_off_pchlan(struct e1000_hw *hw); static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) { @@ -213,6 +227,41 @@ static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) #define ew32flash(reg,val) __ew32flash(hw, (reg), (val)) /** + * e1000_init_phy_params_pchlan - Initialize PHY function pointers + * @hw: pointer to the HW structure + * + * Initialize family-specific PHY parameters and function pointers. + **/ +static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val = 0; + + phy->addr = 1; + phy->reset_delay_us = 100; + + phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan; + phy->ops.read_phy_reg = e1000_read_phy_reg_hv; + phy->ops.write_phy_reg = e1000_write_phy_reg_hv; + phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; + + phy->id = e1000_phy_unknown; + e1000e_get_phy_id(hw); + phy->type = e1000e_get_phy_type_from_id(phy->id); + + if (phy->type == e1000_phy_82577) { + phy->ops.check_polarity = e1000_check_polarity_82577; + phy->ops.force_speed_duplex = + e1000_phy_force_speed_duplex_82577; + phy->ops.get_cable_length = e1000_get_cable_length_82577; + phy->ops.get_phy_info = e1000_get_phy_info_82577; + phy->ops.commit_phy = e1000e_phy_sw_reset; + } + + return ret_val; +} + +/** * e1000_init_phy_params_ich8lan - Initialize PHY function pointers * @hw: pointer to the HW structure * @@ -273,6 +322,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) break; } + phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan; + return 0; } @@ -358,6 +409,36 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) /* Set if manageability features are enabled. */ mac->arc_subsystem_valid = 1; + /* LED operations */ + switch (mac->type) { + case e1000_ich8lan: + case e1000_ich9lan: + case e1000_ich10lan: + /* ID LED init */ + mac->ops.id_led_init = e1000e_id_led_init; + /* setup LED */ + mac->ops.setup_led = e1000e_setup_led_generic; + /* cleanup LED */ + mac->ops.cleanup_led = e1000_cleanup_led_ich8lan; + /* turn on/off LED */ + mac->ops.led_on = e1000_led_on_ich8lan; + mac->ops.led_off = e1000_led_off_ich8lan; + break; + case e1000_pchlan: + /* ID LED init */ + mac->ops.id_led_init = e1000_id_led_init_pchlan; + /* setup LED */ + mac->ops.setup_led = e1000_setup_led_pchlan; + /* cleanup LED */ + mac->ops.cleanup_led = e1000_cleanup_led_pchlan; + /* turn on/off LED */ + mac->ops.led_on = e1000_led_on_pchlan; + mac->ops.led_off = e1000_led_off_pchlan; + break; + default: + break; + } + /* Enable PCS Lock-loss workaround for ICH8 */ if (mac->type == e1000_ich8lan) e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, 1); @@ -378,7 +459,10 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) if (rc) return rc; - rc = e1000_init_phy_params_ich8lan(hw); + if (hw->mac.type == e1000_pchlan) + rc = e1000_init_phy_params_pchlan(hw); + else + rc = e1000_init_phy_params_ich8lan(hw); if (rc) return rc; @@ -415,12 +499,15 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) while (timeout) { extcnf_ctrl = er32(EXTCNF_CTRL); - extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; - ew32(EXTCNF_CTRL, extcnf_ctrl); - extcnf_ctrl = er32(EXTCNF_CTRL); - if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) - break; + if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) { + extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; + ew32(EXTCNF_CTRL, extcnf_ctrl); + + extcnf_ctrl = er32(EXTCNF_CTRL); + if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) + break; + } mdelay(1); timeout--; } @@ -560,6 +647,53 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw) } /** + * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be + * done after every PHY reset. + **/ +static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) +{ + s32 ret_val = 0; + + if (hw->mac.type != e1000_pchlan) + return ret_val; + + if (((hw->phy.type == e1000_phy_82577) && + ((hw->phy.revision == 1) || (hw->phy.revision == 2))) || + ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) { + /* Disable generation of early preamble */ + ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431); + if (ret_val) + return ret_val; + + /* Preamble tuning for SSC */ + ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204); + if (ret_val) + return ret_val; + } + + if (hw->phy.type == e1000_phy_82578) { + /* + * Return registers to default by doing a soft reset then + * writing 0x3140 to the control register. + */ + if (hw->phy.revision < 2) { + e1000e_phy_sw_reset(hw); + ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140); + } + } + + /* Select page 0 */ + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + hw->phy.addr = 1; + e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); + hw->phy.ops.release_phy(hw); + + return ret_val; +} + +/** * e1000_phy_hw_reset_ich8lan - Performs a PHY reset * @hw: pointer to the HW structure * @@ -580,6 +714,12 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) if (ret_val) return ret_val; + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000_hv_phy_workarounds_ich8lan(hw); + if (ret_val) + return ret_val; + } + /* * Initialize the PHY from the NVM on ICH platforms. This * is needed due to an issue where the NVM configuration is @@ -706,7 +846,7 @@ static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw) phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE)); if (phy->polarity_correction) { - ret_val = e1000_check_polarity_ife_ich8lan(hw); + ret_val = phy->ops.check_polarity(hw); if (ret_val) return ret_val; } else { @@ -746,6 +886,8 @@ static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw) break; case e1000_phy_igp_3: case e1000_phy_bm: + case e1000_phy_82578: + case e1000_phy_82577: return e1000e_get_phy_info_igp(hw); break; default: @@ -1857,6 +1999,79 @@ static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data) } /** + * e1000_id_led_init_pchlan - store LED configurations + * @hw: pointer to the HW structure + * + * PCH does not control LEDs via the LEDCTL register, rather it uses + * the PHY LED configuration register. + * + * PCH also does not have an "always on" or "always off" mode which + * complicates the ID feature. Instead of using the "on" mode to indicate + * in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init()), + * use "link_up" mode. The LEDs will still ID on request if there is no + * link based on logic in e1000_led_[on|off]_pchlan(). + **/ +static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) +{ + struct e1000_mac_info *mac = &hw->mac; + s32 ret_val; + const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP; + const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT; + u16 data, i, temp, shift; + + /* Get default ID LED modes */ + ret_val = hw->nvm.ops.valid_led_default(hw, &data); + if (ret_val) + goto out; + + mac->ledctl_default = er32(LEDCTL); + mac->ledctl_mode1 = mac->ledctl_default; + mac->ledctl_mode2 = mac->ledctl_default; + + for (i = 0; i < 4; i++) { + temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK; + shift = (i * 5); + switch (temp) { + case ID_LED_ON1_DEF2: + case ID_LED_ON1_ON2: + case ID_LED_ON1_OFF2: + mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); + mac->ledctl_mode1 |= (ledctl_on << shift); + break; + case ID_LED_OFF1_DEF2: + case ID_LED_OFF1_ON2: + case ID_LED_OFF1_OFF2: + mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift); + mac->ledctl_mode1 |= (ledctl_off << shift); + break; + default: + /* Do nothing */ + break; + } + switch (temp) { + case ID_LED_DEF1_ON2: + case ID_LED_ON1_ON2: + case ID_LED_OFF1_ON2: + mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); + mac->ledctl_mode2 |= (ledctl_on << shift); + break; + case ID_LED_DEF1_OFF2: + case ID_LED_ON1_OFF2: + case ID_LED_OFF1_OFF2: + mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift); + mac->ledctl_mode2 |= (ledctl_off << shift); + break; + default: + /* Do nothing */ + break; + } + } + +out: + return ret_val; +} + +/** * e1000_get_bus_info_ich8lan - Get/Set the bus type and width * @hw: pointer to the HW structure * @@ -1965,6 +2180,9 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) kab |= E1000_KABGTXD_BGSQLBIAS; ew32(KABGTXD, kab); + if (hw->mac.type == e1000_pchlan) + ret_val = e1000_hv_phy_workarounds_ich8lan(hw); + return ret_val; } @@ -1990,7 +2208,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) e1000_initialize_hw_bits_ich8lan(hw); /* Initialize identification LED */ - ret_val = e1000e_id_led_init(hw); + ret_val = mac->ops.id_led_init(hw); if (ret_val) { hw_dbg(hw, "Error initializing identification LED\n"); return ret_val; @@ -2036,6 +2254,16 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) ew32(CTRL_EXT, ctrl_ext); /* + * The 82578 Rx buffer will stall if wakeup is enabled in host and + * the ME. Reading the BM_WUC register will clear the host wakeup bit. + * Reset the phy after disabling host wakeup to reset the Rx buffer. + */ + if (hw->phy.type == e1000_phy_82578) { + e1e_rphy(hw, BM_WUC, &i); + e1000e_phy_hw_reset_generic(hw); + } + + /* * Clear all of the statistics registers (clear on read). It is * important that we do this after we have tried to establish link * because the symbol error count will increment wildly if there @@ -2059,6 +2287,9 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) /* Extended Device Control */ reg = er32(CTRL_EXT); reg |= (1 << 22); + /* Enable PHY low-power state when MAC is at D3 w/o WoL */ + if (hw->mac.type >= e1000_pchlan) + reg |= E1000_CTRL_EXT_PHYPDEN; ew32(CTRL_EXT, reg); /* Transmit Descriptor Control 0 */ @@ -2135,6 +2366,14 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) return ret_val; ew32(FCTTV, hw->fc.pause_time); + if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82577)) { + ret_val = hw->phy.ops.write_phy_reg(hw, + PHY_REG(BM_PORT_CTRL_PAGE, 27), + hw->fc.pause_time); + if (ret_val) + return ret_val; + } return e1000e_set_fc_watermarks(hw); } @@ -2174,18 +2413,26 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) if (ret_val) return ret_val; - if (hw->phy.type == e1000_phy_igp_3) { + switch (hw->phy.type) { + case e1000_phy_igp_3: ret_val = e1000e_copper_link_setup_igp(hw); if (ret_val) return ret_val; - } else if (hw->phy.type == e1000_phy_bm) { + break; + case e1000_phy_bm: + case e1000_phy_82578: ret_val = e1000e_copper_link_setup_m88(hw); if (ret_val) return ret_val; - } - - if (hw->phy.type == e1000_phy_ife) { - ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, ®_data); + break; + case e1000_phy_82577: + ret_val = e1000_copper_link_setup_82577(hw); + if (ret_val) + return ret_val; + break; + case e1000_phy_ife: + ret_val = hw->phy.ops.read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, + ®_data); if (ret_val) return ret_val; @@ -2203,9 +2450,13 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) reg_data |= IFE_PMC_AUTO_MDIX; break; } - ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data); + ret_val = hw->phy.ops.write_phy_reg(hw, IFE_PHY_MDIX_CONTROL, + reg_data); if (ret_val) return ret_val; + break; + default: + break; } return e1000e_setup_copper_link(hw); } @@ -2422,18 +2673,26 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) * 'LPLU Enabled' and 'Gig Disable' to force link speed negotiation * to a lower speed. * - * Should only be called for ICH9 and ICH10 devices. + * Should only be called for applicable parts. **/ void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) { u32 phy_ctrl; - if ((hw->mac.type == e1000_ich10lan) || - (hw->mac.type == e1000_ich9lan)) { + switch (hw->mac.type) { + case e1000_ich9lan: + case e1000_ich10lan: + case e1000_pchlan: phy_ctrl = er32(PHY_CTRL); phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE; ew32(PHY_CTRL, phy_ctrl); + + /* Workaround SWFLAG unexpectedly set during S0->Sx */ + if (hw->mac.type == e1000_pchlan) + udelay(500); + default: + break; } return; @@ -2487,13 +2746,99 @@ static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) } /** + * e1000_setup_led_pchlan - Configures SW controllable LED + * @hw: pointer to the HW structure + * + * This prepares the SW controllable LED for use. + **/ +static s32 e1000_setup_led_pchlan(struct e1000_hw *hw) +{ + return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, + (u16)hw->mac.ledctl_mode1); +} + +/** + * e1000_cleanup_led_pchlan - Restore the default LED operation + * @hw: pointer to the HW structure + * + * Return the LED back to the default configuration. + **/ +static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw) +{ + return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, + (u16)hw->mac.ledctl_default); +} + +/** + * e1000_led_on_pchlan - Turn LEDs on + * @hw: pointer to the HW structure + * + * Turn on the LEDs. + **/ +static s32 e1000_led_on_pchlan(struct e1000_hw *hw) +{ + u16 data = (u16)hw->mac.ledctl_mode2; + u32 i, led; + + /* + * If no link, then turn LED on by setting the invert bit + * for each LED that's mode is "link_up" in ledctl_mode2. + */ + if (!(er32(STATUS) & E1000_STATUS_LU)) { + for (i = 0; i < 3; i++) { + led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; + if ((led & E1000_PHY_LED0_MODE_MASK) != + E1000_LEDCTL_MODE_LINK_UP) + continue; + if (led & E1000_PHY_LED0_IVRT) + data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); + else + data |= (E1000_PHY_LED0_IVRT << (i * 5)); + } + } + + return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data); +} + +/** + * e1000_led_off_pchlan - Turn LEDs off + * @hw: pointer to the HW structure + * + * Turn off the LEDs. + **/ +static s32 e1000_led_off_pchlan(struct e1000_hw *hw) +{ + u16 data = (u16)hw->mac.ledctl_mode1; + u32 i, led; + + /* + * If no link, then turn LED off by clearing the invert bit + * for each LED that's mode is "link_up" in ledctl_mode1. + */ + if (!(er32(STATUS) & E1000_STATUS_LU)) { + for (i = 0; i < 3; i++) { + led = (data >> (i * 5)) & E1000_PHY_LED0_MASK; + if ((led & E1000_PHY_LED0_MODE_MASK) != + E1000_LEDCTL_MODE_LINK_UP) + continue; + if (led & E1000_PHY_LED0_IVRT) + data &= ~(E1000_PHY_LED0_IVRT << (i * 5)); + else + data |= (E1000_PHY_LED0_IVRT << (i * 5)); + } + } + + return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data); +} + +/** * e1000_get_cfg_done_ich8lan - Read config done bit * @hw: pointer to the HW structure * * Read the management control register for the config done bit for * completion status. NOTE: silicon which is EEPROM-less will fail trying * to read the config done bit, so an error is *ONLY* logged and returns - * E1000_SUCCESS. If we were to return with error, EEPROM-less silicon + * 0. If we were to return with error, EEPROM-less silicon * would not be able to be reset or change link. **/ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) @@ -2503,7 +2848,8 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) e1000e_get_cfg_done(hw); /* If EEPROM is not marked present, init the IGP 3 PHY manually */ - if (hw->mac.type != e1000_ich10lan) { + if ((hw->mac.type != e1000_ich10lan) && + (hw->mac.type != e1000_pchlan)) { if (((er32(EECD) & E1000_EECD_PRES) == 0) && (hw->phy.type == e1000_phy_igp_3)) { e1000e_phy_init_script_igp3(hw); @@ -2529,6 +2875,7 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) { u32 temp; + u16 phy_data; e1000e_clear_hw_cntrs_base(hw); @@ -2546,22 +2893,42 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) temp = er32(IAC); temp = er32(ICRXOC); + /* Clear PHY statistics registers */ + if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82577)) { + hw->phy.ops.read_phy_reg(hw, HV_SCC_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_SCC_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_ECOL_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_ECOL_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_MCC_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_MCC_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_LATECOL_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_LATECOL_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_COLC_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_COLC_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_DC_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_DC_LOWER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_TNCRS_UPPER, &phy_data); + hw->phy.ops.read_phy_reg(hw, HV_TNCRS_LOWER, &phy_data); + } } static struct e1000_mac_operations ich8_mac_ops = { + .id_led_init = e1000e_id_led_init, .check_mng_mode = e1000_check_mng_mode_ich8lan, .check_for_link = e1000e_check_for_copper_link, - .cleanup_led = e1000_cleanup_led_ich8lan, + /* cleanup_led dependent on mac type */ .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, .get_bus_info = e1000_get_bus_info_ich8lan, .get_link_up_info = e1000_get_link_up_info_ich8lan, - .led_on = e1000_led_on_ich8lan, - .led_off = e1000_led_off_ich8lan, + /* led_on dependent on mac type */ + /* led_off dependent on mac type */ .update_mc_addr_list = e1000e_update_mc_addr_list_generic, .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, + /* id_led_init dependent on mac type */ }; static struct e1000_phy_operations ich8_phy_ops = { @@ -2644,3 +3011,21 @@ struct e1000_info e1000_ich10_info = { .phy_ops = &ich8_phy_ops, .nvm_ops = &ich8_nvm_ops, }; + +struct e1000_info e1000_pch_info = { + .mac = e1000_pchlan, + .flags = FLAG_IS_ICH + | FLAG_HAS_WOL + | FLAG_RX_CSUM_ENABLED + | FLAG_HAS_CTRLEXT_ON_LOAD + | FLAG_HAS_AMT + | FLAG_HAS_FLASH + | FLAG_HAS_JUMBO_FRAMES + | FLAG_APME_IN_WUC, + .pba = 26, + .max_hw_frame_size = 4096, + .get_variants = e1000_get_variants_ich8lan, + .mac_ops = &ich8_mac_ops, + .phy_ops = &ich8_phy_ops, + .nvm_ops = &ich8_nvm_ops, +}; diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index 18a4f5902f3b..be6d9e990374 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -378,6 +378,12 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) mac->get_link_status = 0; + if (hw->phy.type == e1000_phy_82578) { + ret_val = e1000_link_stall_workaround_hv(hw); + if (ret_val) + return ret_val; + } + /* * Check if there was DownShift, must be checked * immediately after link-up @@ -1406,6 +1412,38 @@ s32 e1000e_id_led_init(struct e1000_hw *hw) } /** + * e1000e_setup_led_generic - Configures SW controllable LED + * @hw: pointer to the HW structure + * + * This prepares the SW controllable LED for use and saves the current state + * of the LED so it can be later restored. + **/ +s32 e1000e_setup_led_generic(struct e1000_hw *hw) +{ + u32 ledctl; + + if (hw->mac.ops.setup_led != e1000e_setup_led_generic) { + return -E1000_ERR_CONFIG; + } + + if (hw->phy.media_type == e1000_media_type_fiber) { + ledctl = er32(LEDCTL); + hw->mac.ledctl_default = ledctl; + /* Turn off LED0 */ + ledctl &= ~(E1000_LEDCTL_LED0_IVRT | + E1000_LEDCTL_LED0_BLINK | + E1000_LEDCTL_LED0_MODE_MASK); + ledctl |= (E1000_LEDCTL_MODE_LED_OFF << + E1000_LEDCTL_LED0_MODE_SHIFT); + ew32(LEDCTL, ledctl); + } else if (hw->phy.media_type == e1000_media_type_copper) { + ew32(LEDCTL, hw->mac.ledctl_mode1); + } + + return 0; +} + +/** * e1000e_cleanup_led_generic - Set LED config to default operation * @hw: pointer to the HW structure * diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 4072fbb6493d..2cb704dd9546 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -62,6 +62,7 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_ich8lan] = &e1000_ich8_info, [board_ich9lan] = &e1000_ich9_info, [board_ich10lan] = &e1000_ich10_info, + [board_pchlan] = &e1000_pch_info, }; #ifdef DEBUG @@ -2308,6 +2309,23 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) if (adapter->flags2 & FLAG2_CRC_STRIPPING) rctl |= E1000_RCTL_SECRC; + /* Workaround Si errata on 82577 PHY - configure IPG for jumbos */ + if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) { + u16 phy_data; + + e1e_rphy(hw, PHY_REG(770, 26), &phy_data); + phy_data &= 0xfff8; + phy_data |= (1 << 2); + e1e_wphy(hw, PHY_REG(770, 26), phy_data); + + e1e_rphy(hw, 22, &phy_data); + phy_data &= 0x0fff; + phy_data |= (1 << 14); + e1e_wphy(hw, 0x10, 0x2823); + e1e_wphy(hw, 0x11, 0x0003); + e1e_wphy(hw, 22, phy_data); + } + /* Setup buffer sizes */ rctl &= ~E1000_RCTL_SZ_4096; rctl |= E1000_RCTL_BSEX; @@ -2789,6 +2807,8 @@ void e1000e_reset(struct e1000_adapter *adapter) e1000_get_hw_control(adapter); ew32(WUC, 0); + if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) + e1e_wphy(&adapter->hw, BM_WUC, 0); if (mac->ops.init_hw(hw)) e_err("Hardware Error\n"); @@ -3269,6 +3289,7 @@ void e1000e_update_stats(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; + u16 phy_data; /* * Prevent stats update while adapter is being reset, or if the pci @@ -3288,11 +3309,34 @@ void e1000e_update_stats(struct e1000_adapter *adapter) adapter->stats.roc += er32(ROC); adapter->stats.mpc += er32(MPC); - adapter->stats.scc += er32(SCC); - adapter->stats.ecol += er32(ECOL); - adapter->stats.mcc += er32(MCC); - adapter->stats.latecol += er32(LATECOL); - adapter->stats.dc += er32(DC); + if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82577)) { + e1e_rphy(hw, HV_SCC_UPPER, &phy_data); + e1e_rphy(hw, HV_SCC_LOWER, &phy_data); + adapter->stats.scc += phy_data; + + e1e_rphy(hw, HV_ECOL_UPPER, &phy_data); + e1e_rphy(hw, HV_ECOL_LOWER, &phy_data); + adapter->stats.ecol += phy_data; + + e1e_rphy(hw, HV_MCC_UPPER, &phy_data); + e1e_rphy(hw, HV_MCC_LOWER, &phy_data); + adapter->stats.mcc += phy_data; + + e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data); + e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data); + adapter->stats.latecol += phy_data; + + e1e_rphy(hw, HV_DC_UPPER, &phy_data); + e1e_rphy(hw, HV_DC_LOWER, &phy_data); + adapter->stats.dc += phy_data; + } else { + adapter->stats.scc += er32(SCC); + adapter->stats.ecol += er32(ECOL); + adapter->stats.mcc += er32(MCC); + adapter->stats.latecol += er32(LATECOL); + adapter->stats.dc += er32(DC); + } adapter->stats.xonrxc += er32(XONRXC); adapter->stats.xontxc += er32(XONTXC); adapter->stats.xoffrxc += er32(XOFFRXC); @@ -3310,13 +3354,28 @@ void e1000e_update_stats(struct e1000_adapter *adapter) hw->mac.tx_packet_delta = er32(TPT); adapter->stats.tpt += hw->mac.tx_packet_delta; - hw->mac.collision_delta = er32(COLC); + if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82577)) { + e1e_rphy(hw, HV_COLC_UPPER, &phy_data); + e1e_rphy(hw, HV_COLC_LOWER, &phy_data); + hw->mac.collision_delta = phy_data; + } else { + hw->mac.collision_delta = er32(COLC); + } adapter->stats.colc += hw->mac.collision_delta; adapter->stats.algnerrc += er32(ALGNERRC); adapter->stats.rxerrc += er32(RXERRC); - if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583)) - adapter->stats.tncrs += er32(TNCRS); + if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82577)) { + e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data); + e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data); + adapter->stats.tncrs += phy_data; + } else { + if ((hw->mac.type != e1000_82574) && + (hw->mac.type != e1000_82583)) + adapter->stats.tncrs += er32(TNCRS); + } adapter->stats.cexterr += er32(CEXTERR); adapter->stats.tsctc += er32(TSCTC); adapter->stats.tsctfc += er32(TSCTFC); @@ -4342,6 +4401,81 @@ static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } +static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc) +{ + struct e1000_hw *hw = &adapter->hw; + u32 i, mac_reg; + u16 phy_reg; + int retval = 0; + + /* copy MAC RARs to PHY RARs */ + for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) { + mac_reg = er32(RAL(i)); + e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF)); + e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF)); + mac_reg = er32(RAH(i)); + e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF)); + e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF)); + } + + /* copy MAC MTA to PHY MTA */ + for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) { + mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i); + e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF)); + e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF)); + } + + /* configure PHY Rx Control register */ + e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg); + mac_reg = er32(RCTL); + if (mac_reg & E1000_RCTL_UPE) + phy_reg |= BM_RCTL_UPE; + if (mac_reg & E1000_RCTL_MPE) + phy_reg |= BM_RCTL_MPE; + phy_reg &= ~(BM_RCTL_MO_MASK); + if (mac_reg & E1000_RCTL_MO_3) + phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT) + << BM_RCTL_MO_SHIFT); + if (mac_reg & E1000_RCTL_BAM) + phy_reg |= BM_RCTL_BAM; + if (mac_reg & E1000_RCTL_PMCF) + phy_reg |= BM_RCTL_PMCF; + mac_reg = er32(CTRL); + if (mac_reg & E1000_CTRL_RFCE) + phy_reg |= BM_RCTL_RFCE; + e1e_wphy(&adapter->hw, BM_RCTL, phy_reg); + + /* enable PHY wakeup in MAC register */ + ew32(WUFC, wufc); + ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN); + + /* configure and enable PHY wakeup in PHY registers */ + e1e_wphy(&adapter->hw, BM_WUFC, wufc); + e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN); + + /* activate PHY wakeup */ + retval = hw->phy.ops.acquire_phy(hw); + if (retval) { + e_err("Could not acquire PHY\n"); + return retval; + } + e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, + (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT)); + retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg); + if (retval) { + e_err("Could not read PHY page 769\n"); + goto out; + } + phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT; + retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); + if (retval) + e_err("Could not set PHY Host Wakeup bit\n"); +out: + hw->phy.ops.release_phy(hw); + + return retval; +} + static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -4384,8 +4518,9 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) #define E1000_CTRL_ADVD3WUC 0x00100000 /* phy power management enable */ #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 - ctrl |= E1000_CTRL_ADVD3WUC | - E1000_CTRL_EN_PHY_PWR_MGMT; + ctrl |= E1000_CTRL_ADVD3WUC; + if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)) + ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT; ew32(CTRL, ctrl); if (adapter->hw.phy.media_type == e1000_media_type_fiber || @@ -4403,8 +4538,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) /* Allow time for pending master requests to run */ e1000e_disable_pcie_master(&adapter->hw); - ew32(WUC, E1000_WUC_PME_EN); - ew32(WUFC, wufc); + if ((adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) && + !(hw->mac.ops.check_mng_mode(hw))) { + /* enable wakeup by the PHY */ + retval = e1000_init_phy_wakeup(adapter, wufc); + if (retval) + return retval; + } else { + /* enable wakeup by the MAC */ + ew32(WUFC, wufc); + ew32(WUC, E1000_WUC_PME_EN); + } } else { ew32(WUC, 0); ew32(WUFC, 0); @@ -4547,8 +4691,37 @@ static int e1000_resume(struct pci_dev *pdev) } e1000e_power_up_phy(adapter); + + /* report the system wakeup cause from S3/S4 */ + if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) { + u16 phy_data; + + e1e_rphy(&adapter->hw, BM_WUS, &phy_data); + if (phy_data) { + e_info("PHY Wakeup cause - %s\n", + phy_data & E1000_WUS_EX ? "Unicast Packet" : + phy_data & E1000_WUS_MC ? "Multicast Packet" : + phy_data & E1000_WUS_BC ? "Broadcast Packet" : + phy_data & E1000_WUS_MAG ? "Magic Packet" : + phy_data & E1000_WUS_LNKC ? "Link Status " + " Change" : "other"); + } + e1e_wphy(&adapter->hw, BM_WUS, ~0); + } else { + u32 wus = er32(WUS); + if (wus) { + e_info("MAC Wakeup cause - %s\n", + wus & E1000_WUS_EX ? "Unicast Packet" : + wus & E1000_WUS_MC ? "Multicast Packet" : + wus & E1000_WUS_BC ? "Broadcast Packet" : + wus & E1000_WUS_MAG ? "Magic Packet" : + wus & E1000_WUS_LNKC ? "Link Status Change" : + "other"); + } + ew32(WUS, ~0); + } + e1000e_reset(adapter); - ew32(WUS, ~0); e1000_init_manageability(adapter); @@ -4994,6 +5167,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, /* APME bit in EEPROM is mapped to WUC.APME */ eeprom_data = er32(WUC); eeprom_apme_mask = E1000_WUC_APME; + if (eeprom_data & E1000_WUC_PHY_WAKE) + adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP; } else if (adapter->flags & FLAG_APME_IN_CTRL3) { if (adapter->flags & FLAG_APME_CHECK_PORT_B && (adapter->hw.bus.func == 1)) @@ -5195,6 +5370,11 @@ static struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan }, + { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index dc4a9cba6a73..e23459cf3d0e 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -37,6 +37,9 @@ static s32 e1000_wait_autoneg(struct e1000_hw *hw); static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg); static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data, bool read); +static u32 e1000_get_phy_addr_for_hv_page(u32 page); +static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, + u16 *data, bool read); /* Cable length tables */ static const u16 e1000_m88_cable_length_table[] = @@ -54,6 +57,55 @@ static const u16 e1000_igp_2_cable_length_table[] = #define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \ ARRAY_SIZE(e1000_igp_2_cable_length_table) +#define BM_PHY_REG_PAGE(offset) \ + ((u16)(((offset) >> PHY_PAGE_SHIFT) & 0xFFFF)) +#define BM_PHY_REG_NUM(offset) \ + ((u16)(((offset) & MAX_PHY_REG_ADDRESS) |\ + (((offset) >> (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)) &\ + ~MAX_PHY_REG_ADDRESS))) + +#define HV_INTC_FC_PAGE_START 768 +#define I82578_ADDR_REG 29 +#define I82577_ADDR_REG 16 +#define I82577_CFG_REG 22 +#define I82577_CFG_ASSERT_CRS_ON_TX (1 << 15) +#define I82577_CFG_ENABLE_DOWNSHIFT (3 << 10) /* auto downshift 100/10 */ +#define I82577_CTRL_REG 23 +#define I82577_CTRL_DOWNSHIFT_MASK (7 << 10) + +/* 82577 specific PHY registers */ +#define I82577_PHY_CTRL_2 18 +#define I82577_PHY_STATUS_2 26 +#define I82577_PHY_DIAG_STATUS 31 + +/* I82577 PHY Status 2 */ +#define I82577_PHY_STATUS2_REV_POLARITY 0x0400 +#define I82577_PHY_STATUS2_MDIX 0x0800 +#define I82577_PHY_STATUS2_SPEED_MASK 0x0300 +#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200 + +/* I82577 PHY Control 2 */ +#define I82577_PHY_CTRL2_AUTO_MDIX 0x0400 +#define I82577_PHY_CTRL2_FORCE_MDI_MDIX 0x0200 + +/* I82577 PHY Diagnostics Status */ +#define I82577_DSTATUS_CABLE_LENGTH 0x03FC +#define I82577_DSTATUS_CABLE_LENGTH_SHIFT 2 + +/* BM PHY Copper Specific Control 1 */ +#define BM_CS_CTRL1 16 + +/* BM PHY Copper Specific Status */ +#define BM_CS_STATUS 17 +#define BM_CS_STATUS_LINK_UP 0x0400 +#define BM_CS_STATUS_RESOLVED 0x0800 +#define BM_CS_STATUS_SPEED_MASK 0xC000 +#define BM_CS_STATUS_SPEED_1000 0x8000 + +#define HV_MUX_DATA_CTRL PHY_REG(776, 16) +#define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 +#define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 + /** * e1000e_check_reset_block_generic - Check if PHY reset is blocked * @hw: pointer to the HW structure @@ -82,23 +134,48 @@ s32 e1000e_check_reset_block_generic(struct e1000_hw *hw) s32 e1000e_get_phy_id(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; - s32 ret_val; + s32 ret_val = 0; u16 phy_id; + u16 retry_count = 0; - ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); - if (ret_val) - return ret_val; + if (!(phy->ops.read_phy_reg)) + goto out; - phy->id = (u32)(phy_id << 16); - udelay(20); - ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); - if (ret_val) - return ret_val; + while (retry_count < 2) { + ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); + if (ret_val) + goto out; - phy->id |= (u32)(phy_id & PHY_REVISION_MASK); - phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); + phy->id = (u32)(phy_id << 16); + udelay(20); + ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); + if (ret_val) + goto out; - return 0; + phy->id |= (u32)(phy_id & PHY_REVISION_MASK); + phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); + + if (phy->id != 0 && phy->id != PHY_REVISION_MASK) + goto out; + + /* + * If the PHY ID is still unknown, we may have an 82577i + * without link. We will try again after setting Slow + * MDIC mode. No harm in trying again in this case since + * the PHY ID is unknown at this point anyway + */ + ret_val = e1000_set_mdio_slow_mode_hv(hw, true); + if (ret_val) + goto out; + + retry_count++; + } +out: + /* Revert to MDIO fast mode, if applicable */ + if (retry_count) + ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + + return ret_val; } /** @@ -410,6 +487,43 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) } /** + * e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link + * @hw: pointer to the HW structure + * + * Sets up Carrier-sense on Transmit and downshift values. + **/ +s32 e1000_copper_link_setup_82577(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + + /* Enable CRS on TX. This must be set for half-duplex operation. */ + ret_val = phy->ops.read_phy_reg(hw, I82577_CFG_REG, &phy_data); + if (ret_val) + goto out; + + phy_data |= I82577_CFG_ASSERT_CRS_ON_TX; + + /* Enable downshift */ + phy_data |= I82577_CFG_ENABLE_DOWNSHIFT; + + ret_val = phy->ops.write_phy_reg(hw, I82577_CFG_REG, phy_data); + if (ret_val) + goto out; + + /* Set number of link attempts before downshift */ + ret_val = phy->ops.read_phy_reg(hw, I82577_CTRL_REG, &phy_data); + if (ret_val) + goto out; + phy_data &= ~I82577_CTRL_DOWNSHIFT_MASK; + ret_val = phy->ops.write_phy_reg(hw, I82577_CTRL_REG, phy_data); + +out: + return ret_val; +} + +/** * e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link * @hw: pointer to the HW structure * @@ -427,8 +541,8 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) if (ret_val) return ret_val; - /* For newer PHYs this bit is downshift enable */ - if (phy->type == e1000_phy_m88) + /* For BM PHY this bit is downshift enable */ + if (phy->type != e1000_phy_bm) phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; /* @@ -520,10 +634,27 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) /* Commit the changes. */ ret_val = e1000e_commit_phy(hw); - if (ret_val) + if (ret_val) { hw_dbg(hw, "Error committing the PHY changes\n"); + return ret_val; + } - return ret_val; + if (phy->type == e1000_phy_82578) { + ret_val = phy->ops.read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, + &phy_data); + if (ret_val) + return ret_val; + + /* 82578 PHY - set the downshift count to 1x. */ + phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE; + phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK; + ret_val = phy->ops.write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, + phy_data); + if (ret_val) + return ret_val; + } + + return 0; } /** @@ -1251,6 +1382,8 @@ s32 e1000e_check_downshift(struct e1000_hw *hw) switch (phy->type) { case e1000_phy_m88: case e1000_phy_gg82563: + case e1000_phy_82578: + case e1000_phy_82577: offset = M88E1000_PHY_SPEC_STATUS; mask = M88E1000_PSSR_DOWNSHIFT; break; @@ -1886,6 +2019,12 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id) case BME1000_E_PHY_ID_R2: phy_type = e1000_phy_bm; break; + case I82578_E_PHY_ID: + phy_type = e1000_phy_82578; + break; + case I82577_E_PHY_ID: + phy_type = e1000_phy_82577; + break; default: phy_type = e1000_phy_unknown; break; @@ -2181,11 +2320,16 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data, bool read) { s32 ret_val; - u16 reg = ((u16)offset) & PHY_REG_MASK; + u16 reg = BM_PHY_REG_NUM(offset); u16 phy_reg = 0; u8 phy_acquired = 1; + /* Gig must be disabled for MDIO accesses to page 800 */ + if ((hw->mac.type == e1000_pchlan) && + (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE))) + hw_dbg(hw, "Attempting to access page 800 while gig enabled\n"); + ret_val = hw->phy.ops.acquire_phy(hw); if (ret_val) { phy_acquired = 0; @@ -2289,3 +2433,524 @@ static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) return 0; } + +s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow) +{ + s32 ret_val = 0; + u16 data = 0; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + + /* Set MDIO mode - page 769, register 16: 0x2580==slow, 0x2180==fast */ + hw->phy.addr = 1; + ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, + (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); + if (ret_val) { + hw->phy.ops.release_phy(hw); + return ret_val; + } + ret_val = e1000e_write_phy_reg_mdic(hw, BM_CS_CTRL1, + (0x2180 | (slow << 10))); + + /* dummy read when reverting to fast mode - throw away result */ + if (!slow) + e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data); + + hw->phy.ops.release_phy(hw); + + return ret_val; +} + +/** + * e1000_read_phy_reg_hv - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retrieved information in data. Release any acquired + * semaphore before exiting. + **/ +s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u16 page = BM_PHY_REG_PAGE(offset); + u16 reg = BM_PHY_REG_NUM(offset); + bool in_slow_mode = false; + + /* Workaround failure in MDIO access while cable is disconnected */ + if ((hw->phy.type == e1000_phy_82577) && + !(er32(STATUS) & E1000_STATUS_LU)) { + ret_val = e1000_set_mdio_slow_mode_hv(hw, true); + if (ret_val) + goto out; + + in_slow_mode = true; + } + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, + data, true); + goto out; + } + + if (page > 0 && page < HV_INTC_FC_PAGE_START) { + ret_val = e1000_access_phy_debug_regs_hv(hw, offset, + data, true); + goto out; + } + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + + hw->phy.addr = e1000_get_phy_addr_for_hv_page(page); + + if (page == HV_INTC_FC_PAGE_START) + page = 0; + + if (reg > MAX_PHY_MULTI_PAGE_REG) { + if ((hw->phy.type != e1000_phy_82578) || + ((reg != I82578_ADDR_REG) && + (reg != I82578_ADDR_REG + 1))) { + u32 phy_addr = hw->phy.addr; + + hw->phy.addr = 1; + + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = e1000e_write_phy_reg_mdic(hw, + IGP01E1000_PHY_PAGE_SELECT, + (page << IGP_PAGE_SHIFT)); + if (ret_val) { + hw->phy.ops.release_phy(hw); + goto out; + } + hw->phy.addr = phy_addr; + } + } + + ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, + data); + hw->phy.ops.release_phy(hw); + +out: + /* Revert to MDIO fast mode, if applicable */ + if ((hw->phy.type == e1000_phy_82577) && in_slow_mode) + ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + + return ret_val; +} + +/** + * e1000_write_phy_reg_hv - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u16 page = BM_PHY_REG_PAGE(offset); + u16 reg = BM_PHY_REG_NUM(offset); + bool in_slow_mode = false; + + /* Workaround failure in MDIO access while cable is disconnected */ + if ((hw->phy.type == e1000_phy_82577) && + !(er32(STATUS) & E1000_STATUS_LU)) { + ret_val = e1000_set_mdio_slow_mode_hv(hw, true); + if (ret_val) + goto out; + + in_slow_mode = true; + } + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, + &data, false); + goto out; + } + + if (page > 0 && page < HV_INTC_FC_PAGE_START) { + ret_val = e1000_access_phy_debug_regs_hv(hw, offset, + &data, false); + goto out; + } + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + + hw->phy.addr = e1000_get_phy_addr_for_hv_page(page); + + if (page == HV_INTC_FC_PAGE_START) + page = 0; + + /* + * Workaround MDIO accesses being disabled after entering IEEE Power + * Down (whenever bit 11 of the PHY Control register is set) + */ + if ((hw->phy.type == e1000_phy_82578) && + (hw->phy.revision >= 1) && + (hw->phy.addr == 2) && + ((MAX_PHY_REG_ADDRESS & reg) == 0) && + (data & (1 << 11))) { + u16 data2 = 0x7EFF; + hw->phy.ops.release_phy(hw); + ret_val = e1000_access_phy_debug_regs_hv(hw, (1 << 6) | 0x3, + &data2, false); + if (ret_val) + goto out; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + } + + if (reg > MAX_PHY_MULTI_PAGE_REG) { + if ((hw->phy.type != e1000_phy_82578) || + ((reg != I82578_ADDR_REG) && + (reg != I82578_ADDR_REG + 1))) { + u32 phy_addr = hw->phy.addr; + + hw->phy.addr = 1; + + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = e1000e_write_phy_reg_mdic(hw, + IGP01E1000_PHY_PAGE_SELECT, + (page << IGP_PAGE_SHIFT)); + if (ret_val) { + hw->phy.ops.release_phy(hw); + goto out; + } + hw->phy.addr = phy_addr; + } + } + + ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, + data); + hw->phy.ops.release_phy(hw); + +out: + /* Revert to MDIO fast mode, if applicable */ + if ((hw->phy.type == e1000_phy_82577) && in_slow_mode) + ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + + return ret_val; +} + +/** + * e1000_get_phy_addr_for_hv_page - Get PHY adrress based on page + * @page: page to be accessed + **/ +static u32 e1000_get_phy_addr_for_hv_page(u32 page) +{ + u32 phy_addr = 2; + + if (page >= HV_INTC_FC_PAGE_START) + phy_addr = 1; + + return phy_addr; +} + +/** + * e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers + * @hw: pointer to the HW structure + * @offset: register offset to be read or written + * @data: pointer to the data to be read or written + * @read: determines if operation is read or written + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retreived information in data. Release any acquired + * semaphores before exiting. Note that the procedure to read these regs + * uses the address port and data port to read/write. + **/ +static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, + u16 *data, bool read) +{ + s32 ret_val; + u32 addr_reg = 0; + u32 data_reg = 0; + u8 phy_acquired = 1; + + /* This takes care of the difference with desktop vs mobile phy */ + addr_reg = (hw->phy.type == e1000_phy_82578) ? + I82578_ADDR_REG : I82577_ADDR_REG; + data_reg = addr_reg + 1; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) { + hw_dbg(hw, "Could not acquire PHY\n"); + phy_acquired = 0; + goto out; + } + + /* All operations in this function are phy address 2 */ + hw->phy.addr = 2; + + /* masking with 0x3F to remove the page from offset */ + ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F); + if (ret_val) { + hw_dbg(hw, "Could not write PHY the HV address register\n"); + goto out; + } + + /* Read or write the data value next */ + if (read) + ret_val = e1000e_read_phy_reg_mdic(hw, data_reg, data); + else + ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data); + + if (ret_val) { + hw_dbg(hw, "Could not read data value from HV data register\n"); + goto out; + } + +out: + if (phy_acquired == 1) + hw->phy.ops.release_phy(hw); + return ret_val; +} + +/** + * e1000_link_stall_workaround_hv - Si workaround + * @hw: pointer to the HW structure + * + * This function works around a Si bug where the link partner can get + * a link up indication before the PHY does. If small packets are sent + * by the link partner they can be placed in the packet buffer without + * being properly accounted for by the PHY and will stall preventing + * further packets from being received. The workaround is to clear the + * packet buffer after the PHY detects link up. + **/ +s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) +{ + s32 ret_val = 0; + u16 data; + + if (hw->phy.type != e1000_phy_82578) + goto out; + + /* check if link is up and at 1Gbps */ + ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); + if (ret_val) + goto out; + + data &= BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_MASK; + + if (data != (BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_1000)) + goto out; + + mdelay(200); + + /* flush the packets in the fifo buffer */ + ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL, + HV_MUX_DATA_CTRL_GEN_TO_MAC | + HV_MUX_DATA_CTRL_FORCE_SPEED); + if (ret_val) + goto out; + + ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL, + HV_MUX_DATA_CTRL_GEN_TO_MAC); + +out: + return ret_val; +} + +/** + * e1000_check_polarity_82577 - Checks the polarity. + * @hw: pointer to the HW structure + * + * Success returns 0, Failure returns -E1000_ERR_PHY (-2) + * + * Polarity is determined based on the PHY specific status register. + **/ +s32 e1000_check_polarity_82577(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + + ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data); + + if (!ret_val) + phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY) + ? e1000_rev_polarity_reversed + : e1000_rev_polarity_normal; + + return ret_val; +} + +/** + * e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY + * @hw: pointer to the HW structure + * + * Calls the PHY setup function to force speed and duplex. Clears the + * auto-crossover to force MDI manually. Waits for link and returns + * successful if link up is successful, else -E1000_ERR_PHY (-2). + **/ +s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + bool link; + + ret_val = phy->ops.read_phy_reg(hw, PHY_CONTROL, &phy_data); + if (ret_val) + goto out; + + e1000e_phy_force_speed_duplex_setup(hw, &phy_data); + + ret_val = phy->ops.write_phy_reg(hw, PHY_CONTROL, phy_data); + if (ret_val) + goto out; + + /* + * Clear Auto-Crossover to force MDI manually. 82577 requires MDI + * forced whenever speed and duplex are forced. + */ + ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_CTRL_2, &phy_data); + if (ret_val) + goto out; + + phy_data &= ~I82577_PHY_CTRL2_AUTO_MDIX; + phy_data &= ~I82577_PHY_CTRL2_FORCE_MDI_MDIX; + + ret_val = phy->ops.write_phy_reg(hw, I82577_PHY_CTRL_2, phy_data); + if (ret_val) + goto out; + + hw_dbg(hw, "I82577_PHY_CTRL_2: %X\n", phy_data); + + udelay(1); + + if (phy->autoneg_wait_to_complete) { + hw_dbg(hw, "Waiting for forced speed/duplex link on 82577 phy\n"); + + ret_val = e1000e_phy_has_link_generic(hw, + PHY_FORCE_LIMIT, + 100000, + &link); + if (ret_val) + goto out; + + if (!link) + hw_dbg(hw, "Link taking longer than expected.\n"); + + /* Try once more */ + ret_val = e1000e_phy_has_link_generic(hw, + PHY_FORCE_LIMIT, + 100000, + &link); + if (ret_val) + goto out; + } + +out: + return ret_val; +} + +/** + * e1000_get_phy_info_82577 - Retrieve I82577 PHY information + * @hw: pointer to the HW structure + * + * Read PHY status to determine if link is up. If link is up, then + * set/determine 10base-T extended distance and polarity correction. Read + * PHY port status to determine MDI/MDIx and speed. Based on the speed, + * determine on the cable length, local and remote receiver. + **/ +s32 e1000_get_phy_info_82577(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + goto out; + + if (!link) { + hw_dbg(hw, "Phy info is only valid if link is up\n"); + ret_val = -E1000_ERR_CONFIG; + goto out; + } + + phy->polarity_correction = true; + + ret_val = e1000_check_polarity_82577(hw); + if (ret_val) + goto out; + + ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data); + if (ret_val) + goto out; + + phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false; + + if ((data & I82577_PHY_STATUS2_SPEED_MASK) == + I82577_PHY_STATUS2_SPEED_1000MBPS) { + ret_val = hw->phy.ops.get_cable_length(hw); + if (ret_val) + goto out; + + ret_val = phy->ops.read_phy_reg(hw, PHY_1000T_STATUS, &data); + if (ret_val) + goto out; + + phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) + ? e1000_1000t_rx_status_ok + : e1000_1000t_rx_status_not_ok; + + phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS) + ? e1000_1000t_rx_status_ok + : e1000_1000t_rx_status_not_ok; + } else { + phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; + phy->local_rx = e1000_1000t_rx_status_undefined; + phy->remote_rx = e1000_1000t_rx_status_undefined; + } + +out: + return ret_val; +} + +/** + * e1000_get_cable_length_82577 - Determine cable length for 82577 PHY + * @hw: pointer to the HW structure + * + * Reads the diagnostic status register and verifies result is valid before + * placing it in the phy_cable_length field. + **/ +s32 e1000_get_cable_length_82577(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, length; + + ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data); + if (ret_val) + goto out; + + length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >> + I82577_DSTATUS_CABLE_LENGTH_SHIFT; + + if (length == E1000_CABLE_LENGTH_UNDEFINED) + ret_val = E1000_ERR_PHY; + + phy->cable_length = length; + +out: + return ret_val; +} |