From patchwork Thu Sep 2 02:09:26 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leann Ogasawara X-Patchwork-Id: 63440 X-Patchwork-Delegate: leann.ogasawara@canonical.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from chlorine.canonical.com (chlorine.canonical.com [91.189.94.204]) by ozlabs.org (Postfix) with ESMTP id A6394B716F for ; Thu, 2 Sep 2010 12:09:42 +1000 (EST) Received: from localhost ([127.0.0.1] helo=chlorine.canonical.com) by chlorine.canonical.com with esmtp (Exim 4.69) (envelope-from ) id 1OqzFA-0003sp-SP; Thu, 02 Sep 2010 03:09:36 +0100 Received: from adelie.canonical.com ([91.189.90.139]) by chlorine.canonical.com with esmtp (Exim 4.69) (envelope-from ) id 1OqzF9-0003sZ-3l for kernel-team@lists.ubuntu.com; Thu, 02 Sep 2010 03:09:35 +0100 Received: from hutte.canonical.com ([91.189.90.181]) by adelie.canonical.com with esmtp (Exim 4.69 #1 (Debian)) id 1OqzF9-0003OK-1b; Thu, 02 Sep 2010 03:09:35 +0100 Received: from c-76-105-148-120.hsd1.or.comcast.net ([76.105.148.120] helo=localhost) by hutte.canonical.com with esmtpsa (TLS-1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1OqzF7-0005GH-Sl; Thu, 02 Sep 2010 03:09:35 +0100 From: leann.ogasawara@canonical.com To: kernel-team@lists.ubuntu.com Subject: [PATCH 1/2] e1000e: initial support for 82579 LOMs Date: Wed, 1 Sep 2010 19:09:26 -0700 Message-Id: X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: kernel-team-bounces@lists.ubuntu.com Errors-To: kernel-team-bounces@lists.ubuntu.com From: Bruce Allan BugLink: https://bugs.launchpad.net/bugs/601044 Signed-off-by: Bruce Allan Tested-by: Jeff Pieper Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller (backported from upstream commit d3738bb8203acf8552c3ec8b3447133fc0938ddd) Signed-off-by: Leann Ogasawara --- drivers/net/e1000e/defines.h | 2 + drivers/net/e1000e/e1000.h | 4 + drivers/net/e1000e/ethtool.c | 15 ++- drivers/net/e1000e/hw.h | 12 ++- drivers/net/e1000e/ich8lan.c | 326 +++++++++++++++++++++++++++++++++++++++--- drivers/net/e1000e/netdev.c | 70 ++++++---- drivers/net/e1000e/phy.c | 3 + 7 files changed, 385 insertions(+), 47 deletions(-) diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 4dc02c7..5a6de34 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -359,6 +359,7 @@ #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 #define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008 #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020 +#define E1000_EXTCNF_CTRL_GATE_PHY_CFG 0x00000080 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 #define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK 0x0FFF0000 @@ -714,6 +715,7 @@ #define BME1000_E_PHY_ID_R2 0x01410CB1 #define I82577_E_PHY_ID 0x01540050 #define I82578_E_PHY_ID 0x004DD040 +#define I82579_E_PHY_ID 0x01540090 /* M88E1000 Specific Registers */ #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */ diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index c0b3db4..9b3b639 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -164,6 +164,7 @@ enum e1000_boards { board_ich9lan, board_ich10lan, board_pchlan, + board_pch2lan, }; struct e1000_queue_stats { @@ -476,6 +477,7 @@ 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_pch2_info; extern struct e1000_info e1000_es2_info; extern s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num); @@ -494,6 +496,8 @@ extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw); extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw); extern void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw); extern s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); +extern s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable); +extern void e1000_copy_rx_addrs_to_phy_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); diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 2c52121..6230253 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -880,6 +880,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) switch (mac->type) { case e1000_ich10lan: case e1000_pchlan: + case e1000_pch2lan: mask |= (1 << 18); break; default: @@ -1312,7 +1313,18 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) /* Set Early Link Enable */ e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); - /* fall through */ + break; + case e1000_phy_82579: + /* Disable PHY energy detect power down */ + e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); + e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); + /* Disable full chip energy detect */ + e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); + e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); + /* Enable loopback on the PHY */ +#define I82577_PHY_LBK_CTRL 19 + e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); + break; default: /* force 1000, set loopback */ e1e_wphy(hw, PHY_CONTROL, 0x4140); @@ -1868,6 +1880,7 @@ static int e1000_phys_id(struct net_device *netdev, u32 data) if ((hw->phy.type == e1000_phy_ife) || (hw->mac.type == e1000_pchlan) || + (hw->mac.type == e1000_pch2lan) || (hw->mac.type == e1000_82583) || (hw->mac.type == e1000_82574)) { INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 664ed58..deec3a4 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -217,7 +217,10 @@ enum e1e_registers { E1000_SWSM = 0x05B50, /* SW Semaphore */ E1000_FWSM = 0x05B54, /* FW Semaphore */ E1000_SWSM2 = 0x05B58, /* Driver-only SW semaphore */ - E1000_CRC_OFFSET = 0x05F50, /* CRC Offset register */ + E1000_FFLT_DBG = 0x05F04, /* Debug Register */ + E1000_PCH_RAICC_BASE = 0x05F50, /* Receive Address Initial CRC */ +#define E1000_PCH_RAICC(_n) (E1000_PCH_RAICC_BASE + ((_n) * 4)) +#define E1000_CRC_OFFSET E1000_PCH_RAICC_BASE E1000_HICR = 0x08F00, /* Host Interface Control */ }; @@ -303,13 +306,14 @@ enum e1e_registers { #define E1000_KMRNCTRLSTA_OFFSET 0x001F0000 #define E1000_KMRNCTRLSTA_OFFSET_SHIFT 16 #define E1000_KMRNCTRLSTA_REN 0x00200000 +#define E1000_KMRNCTRLSTA_CTRL_OFFSET 0x1 /* Kumeran Control */ #define E1000_KMRNCTRLSTA_DIAG_OFFSET 0x3 /* Kumeran Diagnostic */ #define E1000_KMRNCTRLSTA_TIMEOUTS 0x4 /* Kumeran Timeouts */ #define E1000_KMRNCTRLSTA_INBAND_PARAM 0x9 /* Kumeran InBand Parameters */ #define E1000_KMRNCTRLSTA_DIAG_NELPBK 0x1000 /* Nearend Loopback mode */ #define E1000_KMRNCTRLSTA_K1_CONFIG 0x7 #define E1000_KMRNCTRLSTA_K1_ENABLE 0x0002 -#define E1000_KMRNCTRLSTA_K1_DISABLE 0x1400 +#define E1000_KMRNCTRLSTA_HD_CTRL 0x0002 #define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10 #define IFE_PHY_SPECIAL_CONTROL 0x11 /* 100BaseTx PHY Special Control */ @@ -387,6 +391,8 @@ enum e1e_registers { #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_DEV_ID_PCH2_LV_LM 0x1502 +#define E1000_DEV_ID_PCH2_LV_V 0x1503 #define E1000_REVISION_4 4 @@ -406,6 +412,7 @@ enum e1000_mac_type { e1000_ich9lan, e1000_ich10lan, e1000_pchlan, + e1000_pch2lan, }; enum e1000_media_type { @@ -442,6 +449,7 @@ enum e1000_phy_type { e1000_phy_bm, e1000_phy_82578, e1000_phy_82577, + e1000_phy_82579, }; enum e1000_bus_width { diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index b2507d9..1c9043e 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -52,6 +52,8 @@ * 82577LC Gigabit Network Connection * 82578DM Gigabit Network Connection * 82578DC Gigabit Network Connection + * 82579LM Gigabit Network Connection + * 82579V Gigabit Network Connection */ #include "e1000.h" @@ -126,6 +128,9 @@ #define HV_SMB_ADDR_PEC_EN 0x0200 #define HV_SMB_ADDR_VALID 0x0080 +/* PHY Power Management Control */ +#define HV_PM_CTRL PHY_REG(770, 17) + /* Strapping Option Register - RO */ #define E1000_STRAP 0x0000C #define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 @@ -277,13 +282,13 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) phy->ops.power_down = e1000_power_down_phy_copper_ich8lan; phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; + /* + * The MAC-PHY interconnect may still be in SMBus mode + * after Sx->S0. If the manageability engine (ME) is + * disabled, then toggle the LANPHYPC Value bit to force + * the interconnect to PCIe mode. + */ if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { - /* - * The MAC-PHY interconnect may still be in SMBus mode - * after Sx->S0. Toggle the LANPHYPC Value bit to force - * the interconnect to PCIe mode, but only if there is no - * firmware present otherwise firmware will have done it. - */ ctrl = er32(CTRL); ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE; ctrl &= ~E1000_CTRL_LANPHYPC_VALUE; @@ -324,6 +329,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) switch (phy->type) { case e1000_phy_82577: + case e1000_phy_82579: phy->ops.check_polarity = e1000_check_polarity_82577; phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_82577; @@ -526,6 +532,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) mac->ops.led_off = e1000_led_off_ich8lan; break; case e1000_pchlan: + case e1000_pch2lan: /* ID LED init */ mac->ops.id_led_init = e1000_id_led_init_pchlan; /* setup LED */ @@ -544,6 +551,14 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) if (mac->type == e1000_ich8lan) e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true); + /* Disable PHY configuration by hardware, config by software */ + if (mac->type == e1000_pch2lan) { + u32 extcnf_ctrl = er32(EXTCNF_CTRL); + + extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; + ew32(EXTCNF_CTRL, extcnf_ctrl); + } + return 0; } @@ -647,10 +662,19 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) if (rc) return rc; - if (hw->mac.type == e1000_pchlan) - rc = e1000_init_phy_params_pchlan(hw); - else + switch (hw->mac.type) { + case e1000_ich8lan: + case e1000_ich9lan: + case e1000_ich10lan: rc = e1000_init_phy_params_ich8lan(hw); + break; + case e1000_pchlan: + case e1000_pch2lan: + rc = e1000_init_phy_params_pchlan(hw); + break; + default: + break; + } if (rc) return rc; @@ -851,8 +875,10 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) * extended configuration before SW configuration */ data = er32(EXTCNF_CTRL); - if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) - goto out; + if (!(hw->mac.type == e1000_pch2lan)) { + if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) + goto out; + } cnf_size = er32(EXTCNF_SIZE); cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; @@ -864,7 +890,8 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && - (hw->mac.type == e1000_pchlan)) { + ((hw->mac.type == e1000_pchlan) || + (hw->mac.type == e1000_pch2lan))) { /* * HW configures the SMBus address and LEDs when the * OEM and LCD Write Enable bits are set in the NVM. @@ -1071,16 +1098,18 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) u32 mac_reg; u16 oem_reg; - if (hw->mac.type != e1000_pchlan) + if ((hw->mac.type != e1000_pch2lan) && (hw->mac.type != e1000_pchlan)) return ret_val; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; - mac_reg = er32(EXTCNF_CTRL); - if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) - goto out; + if (!(hw->mac.type == e1000_pch2lan)) { + mac_reg = er32(EXTCNF_CTRL); + if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) + goto out; + } mac_reg = er32(FEXTNVM); if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) @@ -1221,6 +1250,243 @@ out: } /** + * e1000_copy_rx_addrs_to_phy_ich8lan - Copy Rx addresses from MAC to PHY + * @hw: pointer to the HW structure + **/ +void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw) +{ + u32 mac_reg; + u16 i; + + /* Copy both RAL/H (rar_entry_count) and SHRAL/H (+4) to PHY */ + for (i = 0; i < (hw->mac.rar_entry_count + 4); 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) & 0x8000)); + } +} + +static u32 e1000_calc_rx_da_crc(u8 mac[]) +{ + u32 poly = 0xEDB88320; /* Polynomial for 802.3 CRC calculation */ + u32 i, j, mask, crc; + + crc = 0xffffffff; + for (i = 0; i < 6; i++) { + crc = crc ^ mac[i]; + for (j = 8; j > 0; j--) { + mask = (crc & 1) * (-1); + crc = (crc >> 1) ^ (poly & mask); + } + } + return ~crc; +} + +/** + * e1000_lv_jumbo_workaround_ich8lan - required for jumbo frame operation + * with 82579 PHY + * @hw: pointer to the HW structure + * @enable: flag to enable/disable workaround when enabling/disabling jumbos + **/ +s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) +{ + s32 ret_val = 0; + u16 phy_reg, data; + u32 mac_reg; + u16 i; + + if (hw->mac.type != e1000_pch2lan) + goto out; + + /* disable Rx path while enabling/disabling workaround */ + e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); + ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14)); + if (ret_val) + goto out; + + if (enable) { + /* + * Write Rx addresses (rar_entry_count for RAL/H, +4 for + * 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}; + u32 addr_high, addr_low; + + addr_high = er32(RAH(i)); + if (!(addr_high & E1000_RAH_AV)) + continue; + addr_low = er32(RAL(i)); + mac_addr[0] = (addr_low & 0xFF); + mac_addr[1] = ((addr_low >> 8) & 0xFF); + mac_addr[2] = ((addr_low >> 16) & 0xFF); + mac_addr[3] = ((addr_low >> 24) & 0xFF); + mac_addr[4] = (addr_high & 0xFF); + mac_addr[5] = ((addr_high >> 8) & 0xFF); + + ew32(PCH_RAICC(i), + e1000_calc_rx_da_crc(mac_addr)); + } + + /* Write Rx addresses to the PHY */ + e1000_copy_rx_addrs_to_phy_ich8lan(hw); + + /* Enable jumbo frame workaround in the MAC */ + mac_reg = er32(FFLT_DBG); + mac_reg &= ~(1 << 14); + mac_reg |= (7 << 15); + ew32(FFLT_DBG, mac_reg); + + mac_reg = er32(RCTL); + mac_reg |= E1000_RCTL_SECRC; + ew32(RCTL, mac_reg); + + ret_val = e1000e_read_kmrn_reg(hw, + E1000_KMRNCTRLSTA_CTRL_OFFSET, + &data); + if (ret_val) + goto out; + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_CTRL_OFFSET, + data | (1 << 0)); + if (ret_val) + goto out; + ret_val = e1000e_read_kmrn_reg(hw, + E1000_KMRNCTRLSTA_HD_CTRL, + &data); + if (ret_val) + goto out; + data &= ~(0xF << 8); + data |= (0xB << 8); + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_HD_CTRL, + data); + if (ret_val) + goto out; + + /* Enable jumbo frame workaround in the PHY */ + e1e_rphy(hw, PHY_REG(769, 20), &data); + ret_val = e1e_wphy(hw, PHY_REG(769, 20), data & ~(1 << 14)); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(769, 23), &data); + data &= ~(0x7F << 5); + data |= (0x37 << 5); + ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(769, 16), &data); + data &= ~(1 << 13); + data |= (1 << 12); + ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(776, 20), &data); + data &= ~(0x3FF << 2); + data |= (0x1A << 2); + ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); + if (ret_val) + goto out; + ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xFE00); + if (ret_val) + goto out; + e1e_rphy(hw, HV_PM_CTRL, &data); + ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10)); + if (ret_val) + goto out; + } else { + /* Write MAC register values back to h/w defaults */ + mac_reg = er32(FFLT_DBG); + mac_reg &= ~(0xF << 14); + ew32(FFLT_DBG, mac_reg); + + mac_reg = er32(RCTL); + mac_reg &= ~E1000_RCTL_SECRC; + ew32(FFLT_DBG, mac_reg); + + ret_val = e1000e_read_kmrn_reg(hw, + E1000_KMRNCTRLSTA_CTRL_OFFSET, + &data); + if (ret_val) + goto out; + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_CTRL_OFFSET, + data & ~(1 << 0)); + if (ret_val) + goto out; + ret_val = e1000e_read_kmrn_reg(hw, + E1000_KMRNCTRLSTA_HD_CTRL, + &data); + if (ret_val) + goto out; + data &= ~(0xF << 8); + data |= (0xB << 8); + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_HD_CTRL, + data); + if (ret_val) + goto out; + + /* Write PHY register values back to h/w defaults */ + e1e_rphy(hw, PHY_REG(769, 20), &data); + ret_val = e1e_wphy(hw, PHY_REG(769, 20), data & ~(1 << 14)); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(769, 23), &data); + data &= ~(0x7F << 5); + ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(769, 16), &data); + data &= ~(1 << 12); + data |= (1 << 13); + ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); + if (ret_val) + goto out; + e1e_rphy(hw, PHY_REG(776, 20), &data); + data &= ~(0x3FF << 2); + data |= (0x8 << 2); + ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); + if (ret_val) + goto out; + ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00); + if (ret_val) + goto out; + e1e_rphy(hw, HV_PM_CTRL, &data); + ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10)); + if (ret_val) + goto out; + } + + /* re-enable Rx path after enabling/disabling workaround */ + ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14)); + +out: + return ret_val; +} + +/** + * e1000_lv_phy_workarounds_ich8lan - A series of Phy workarounds to be + * done after every PHY reset. + **/ +static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw) +{ + s32 ret_val = 0; + + if (hw->mac.type != e1000_pch2lan) + goto out; + + /* Set MDIO slow mode before any other MDIO access */ + ret_val = e1000_set_mdio_slow_mode_hv(hw); + +out: + return ret_val; +} + +/** * e1000_lan_init_done_ich8lan - Check for PHY config completion * @hw: pointer to the HW structure * @@ -1271,12 +1537,17 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) if (ret_val) goto out; break; + case e1000_pch2lan: + ret_val = e1000_lv_phy_workarounds_ich8lan(hw); + if (ret_val) + goto out; + break; default: break; } /* Dummy read to clear the phy wakeup bit after lcd reset */ - if (hw->mac.type == e1000_pchlan) + if (hw->mac.type >= e1000_pchlan) e1e_rphy(hw, BM_WUC, ®); /* Configure the LCD with the extended configuration region in NVM */ @@ -2800,6 +3071,7 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) ew32(FCTTV, hw->fc.pause_time); if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82579) || (hw->phy.type == e1000_phy_82577)) { ew32(FCRTV_PCH, hw->fc.refresh_time); @@ -2863,6 +3135,7 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) return ret_val; break; case e1000_phy_82577: + case e1000_phy_82579: ret_val = e1000_copper_link_setup_82577(hw); if (ret_val) return ret_val; @@ -3370,6 +3643,7 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) /* Clear PHY statistics registers */ if ((hw->phy.type == e1000_phy_82578) || + (hw->phy.type == e1000_phy_82579) || (hw->phy.type == e1000_phy_82577)) { hw->phy.ops.read_reg(hw, HV_SCC_UPPER, &phy_data); hw->phy.ops.read_reg(hw, HV_SCC_LOWER, &phy_data); @@ -3504,3 +3778,21 @@ struct e1000_info e1000_pch_info = { .phy_ops = &ich8_phy_ops, .nvm_ops = &ich8_nvm_ops, }; + +struct e1000_info e1000_pch2_info = { + .mac = e1000_pch2lan, + .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 = 18, + .max_hw_frame_size = DEFAULT_JUMBO, + .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/netdev.c b/drivers/net/e1000e/netdev.c index ba24679..47762f0 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -67,6 +67,7 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_ich9lan] = &e1000_ich9_info, [board_ich10lan] = &e1000_ich10_info, [board_pchlan] = &e1000_pch_info, + [board_pch2lan] = &e1000_pch2_info, }; struct e1000_reg_info { @@ -2727,6 +2728,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) e1e_wphy(hw, 22, phy_data); } + /* Workaround Si errata on 82579 - configure jumbo frame flow */ + if (hw->mac.type == e1000_pch2lan) { + s32 ret_val; + + if (rctl & E1000_RCTL_LPE) + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); + else + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + } + /* Setup buffer sizes */ rctl &= ~E1000_RCTL_SZ_4096; rctl |= E1000_RCTL_BSEX; @@ -3122,7 +3133,27 @@ void e1000e_reset(struct e1000_adapter *adapter) * with ERT support assuming ERT set to E1000_ERT_2048), or * - the full Rx FIFO size minus one full frame */ - if (hw->mac.type == e1000_pchlan) { + if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME) + fc->pause_time = 0xFFFF; + else + fc->pause_time = E1000_FC_PAUSE_TIME; + fc->send_xon = 1; + fc->current_mode = fc->requested_mode; + + switch (hw->mac.type) { + default: + if ((adapter->flags & FLAG_HAS_ERT) && + (adapter->netdev->mtu > ETH_DATA_LEN)) + hwm = min(((pba << 10) * 9 / 10), + ((pba << 10) - (E1000_ERT_2048 << 3))); + else + hwm = min(((pba << 10) * 9 / 10), + ((pba << 10) - adapter->max_frame_size)); + + fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */ + fc->low_water = fc->high_water - 8; + break; + case e1000_pchlan: /* * Workaround PCH LOM adapter hangs with certain network * loads. If hangs persist, try disabling Tx flow control. @@ -3135,26 +3166,15 @@ void e1000e_reset(struct e1000_adapter *adapter) fc->low_water = 0x3000; } fc->refresh_time = 0x1000; - } else { - if ((adapter->flags & FLAG_HAS_ERT) && - (adapter->netdev->mtu > ETH_DATA_LEN)) - hwm = min(((pba << 10) * 9 / 10), - ((pba << 10) - (E1000_ERT_2048 << 3))); - else - hwm = min(((pba << 10) * 9 / 10), - ((pba << 10) - adapter->max_frame_size)); - - fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */ - fc->low_water = fc->high_water - 8; + break; + case e1000_pch2lan: + fc->high_water = 0x05C20; + fc->low_water = 0x05048; + fc->pause_time = 0x0650; + fc->refresh_time = 0x0400; + break; } - if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME) - fc->pause_time = 0xFFFF; - else - fc->pause_time = E1000_FC_PAUSE_TIME; - fc->send_xon = 1; - fc->current_mode = fc->requested_mode; - /* Allow time for pending master requests to run */ mac->ops.reset_hw(hw); @@ -4850,14 +4870,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc) 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)); - } + e1000_copy_rx_addrs_to_phy_ich8lan(hw); /* copy MAC MTA to PHY MTA */ for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) { @@ -5908,6 +5921,9 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan }, + { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index b4ac82d..e471357 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -2319,6 +2319,9 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id) case I82577_E_PHY_ID: phy_type = e1000_phy_82577; break; + case I82579_E_PHY_ID: + phy_type = e1000_phy_82579; + break; default: phy_type = e1000_phy_unknown; break;