| /* Copyright 2008-2009 Broadcom Corporation |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2, available |
| * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| * |
| * Notwithstanding the above, under no circumstances may you combine this |
| * software in any way with any other Broadcom software provided under a |
| * license other than the GPL, without Broadcom's express prior written |
| * consent. |
| * |
| * Written by Yaniv Rosner |
| * |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/kernel.h> |
| #include <linux/errno.h> |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| #include <linux/delay.h> |
| #include <linux/ethtool.h> |
| #include <linux/mutex.h> |
| |
| #include "bnx2x.h" |
| |
| /********************************************************/ |
| #define ETH_HLEN 14 |
| #define ETH_OVREHEAD (ETH_HLEN + 8)/* 8 for CRC + VLAN*/ |
| #define ETH_MIN_PACKET_SIZE 60 |
| #define ETH_MAX_PACKET_SIZE 1500 |
| #define ETH_MAX_JUMBO_PACKET_SIZE 9600 |
| #define MDIO_ACCESS_TIMEOUT 1000 |
| #define BMAC_CONTROL_RX_ENABLE 2 |
| |
| /***********************************************************/ |
| /* Shortcut definitions */ |
| /***********************************************************/ |
| |
| #define NIG_LATCH_BC_ENABLE_MI_INT 0 |
| |
| #define NIG_STATUS_EMAC0_MI_INT \ |
| NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT |
| #define NIG_STATUS_XGXS0_LINK10G \ |
| NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G |
| #define NIG_STATUS_XGXS0_LINK_STATUS \ |
| NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS |
| #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \ |
| NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE |
| #define NIG_STATUS_SERDES0_LINK_STATUS \ |
| NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS |
| #define NIG_MASK_MI_INT \ |
| NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT |
| #define NIG_MASK_XGXS0_LINK10G \ |
| NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G |
| #define NIG_MASK_XGXS0_LINK_STATUS \ |
| NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS |
| #define NIG_MASK_SERDES0_LINK_STATUS \ |
| NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS |
| |
| #define MDIO_AN_CL73_OR_37_COMPLETE \ |
| (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE) |
| |
| #define XGXS_RESET_BITS \ |
| (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB) |
| |
| #define SERDES_RESET_BITS \ |
| (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \ |
| MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD) |
| |
| #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37 |
| #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73 |
| #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM |
| #define AUTONEG_PARALLEL \ |
| SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION |
| #define AUTONEG_SGMII_FIBER_AUTODET \ |
| SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT |
| #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY |
| |
| #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE |
| #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE |
| #define GP_STATUS_SPEED_MASK \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK |
| #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M |
| #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M |
| #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G |
| #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G |
| #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G |
| #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G |
| #define GP_STATUS_10G_HIG \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG |
| #define GP_STATUS_10G_CX4 \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 |
| #define GP_STATUS_12G_HIG \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG |
| #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G |
| #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G |
| #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G |
| #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G |
| #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX |
| #define GP_STATUS_10G_KX4 \ |
| MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 |
| |
| #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD |
| #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD |
| #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD |
| #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4 |
| #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD |
| #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD |
| #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD |
| #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD |
| #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD |
| #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD |
| #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD |
| #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD |
| #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD |
| #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD |
| #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD |
| #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD |
| #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD |
| #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD |
| #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD |
| #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD |
| #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD |
| #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD |
| #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD |
| |
| #define PHY_XGXS_FLAG 0x1 |
| #define PHY_SGMII_FLAG 0x2 |
| #define PHY_SERDES_FLAG 0x4 |
| |
| /* */ |
| #define SFP_EEPROM_CON_TYPE_ADDR 0x2 |
| #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 |
| #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 |
| |
| |
| #define SFP_EEPROM_COMP_CODE_ADDR 0x3 |
| #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) |
| #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) |
| #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) |
| |
| #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 |
| #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 |
| #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 |
| |
| #define SFP_EEPROM_OPTIONS_ADDR 0x40 |
| #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 |
| #define SFP_EEPROM_OPTIONS_SIZE 2 |
| |
| #define EDC_MODE_LINEAR 0x0022 |
| #define EDC_MODE_LIMITING 0x0044 |
| #define EDC_MODE_PASSIVE_DAC 0x0055 |
| |
| |
| |
| /**********************************************************/ |
| /* INTERFACE */ |
| /**********************************************************/ |
| |
| #define CL45_WR_OVER_CL22(_bp, _phy, _bank, _addr, _val) \ |
| bnx2x_cl45_write(_bp, _phy, \ |
| DEFAULT_PHY_DEV_ADDR, \ |
| (_bank + (_addr & 0xf)), \ |
| _val) |
| |
| #define CL45_RD_OVER_CL22(_bp, _phy, _bank, _addr, _val) \ |
| bnx2x_cl45_read(_bp, _phy, \ |
| DEFAULT_PHY_DEV_ADDR, \ |
| (_bank + (_addr & 0xf)), \ |
| _val) |
| |
| static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) |
| { |
| u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| |
| /* Set Clause 22 */ |
| REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); |
| udelay(500); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); |
| udelay(500); |
| /* Set Clause 45 */ |
| REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); |
| } |
| |
| static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags) |
| { |
| struct bnx2x *bp = params->bp; |
| |
| if (phy_flags & PHY_XGXS_FLAG) { |
| REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + |
| params->port*0x18, 0); |
| REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, |
| DEFAULT_PHY_DEV_ADDR); |
| } else { |
| bnx2x_set_serdes_access(bp, params->port); |
| |
| REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + |
| params->port*0x10, |
| DEFAULT_PHY_DEV_ADDR); |
| } |
| } |
| |
| static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) |
| { |
| u32 val = REG_RD(bp, reg); |
| |
| val |= bits; |
| REG_WR(bp, reg, val); |
| return val; |
| } |
| |
| static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) |
| { |
| u32 val = REG_RD(bp, reg); |
| |
| val &= ~bits; |
| REG_WR(bp, reg, val); |
| return val; |
| } |
| |
| static void bnx2x_emac_init(struct link_params *params, |
| struct link_vars *vars) |
| { |
| /* reset and unreset the emac core */ |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| u32 val; |
| u16 timeout; |
| |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, |
| (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); |
| udelay(5); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, |
| (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); |
| |
| /* init emac - use read-modify-write */ |
| /* self clear reset */ |
| val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); |
| EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); |
| |
| timeout = 200; |
| do { |
| val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); |
| DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); |
| if (!timeout) { |
| DP(NETIF_MSG_LINK, "EMAC timeout!\n"); |
| return; |
| } |
| timeout--; |
| } while (val & EMAC_MODE_RESET); |
| |
| /* Set mac address */ |
| val = ((params->mac_addr[0] << 8) | |
| params->mac_addr[1]); |
| EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val); |
| |
| val = ((params->mac_addr[2] << 24) | |
| (params->mac_addr[3] << 16) | |
| (params->mac_addr[4] << 8) | |
| params->mac_addr[5]); |
| EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val); |
| } |
| |
| static u8 bnx2x_emac_enable(struct link_params *params, |
| struct link_vars *vars, u8 lb) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| u32 val; |
| |
| DP(NETIF_MSG_LINK, "enabling EMAC\n"); |
| |
| /* enable emac and not bmac */ |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); |
| |
| /* for paladium */ |
| if (CHIP_REV_IS_EMUL(bp)) { |
| /* Use lane 1 (of lanes 0-3) */ |
| REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + |
| port*4, 1); |
| } |
| /* for fpga */ |
| else |
| |
| if (CHIP_REV_IS_FPGA(bp)) { |
| /* Use lane 1 (of lanes 0-3) */ |
| DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n"); |
| |
| REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, |
| 0); |
| } else |
| /* ASIC */ |
| if (vars->phy_flags & PHY_XGXS_FLAG) { |
| u32 ser_lane = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); |
| |
| DP(NETIF_MSG_LINK, "XGXS\n"); |
| /* select the master lanes (out of 0-3) */ |
| REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + |
| port*4, ser_lane); |
| /* select XGXS */ |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + |
| port*4, 1); |
| |
| } else { /* SerDes */ |
| DP(NETIF_MSG_LINK, "SerDes\n"); |
| /* select SerDes */ |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + |
| port*4, 0); |
| } |
| |
| bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, |
| EMAC_RX_MODE_RESET); |
| bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, |
| EMAC_TX_MODE_RESET); |
| |
| if (CHIP_REV_IS_SLOW(bp)) { |
| /* config GMII mode */ |
| val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); |
| EMAC_WR(bp, EMAC_REG_EMAC_MODE, |
| (val | EMAC_MODE_PORT_GMII)); |
| } else { /* ASIC */ |
| /* pause enable/disable */ |
| bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, |
| EMAC_RX_MODE_FLOW_EN); |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) |
| bnx2x_bits_en(bp, emac_base + |
| EMAC_REG_EMAC_RX_MODE, |
| EMAC_RX_MODE_FLOW_EN); |
| |
| bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, |
| (EMAC_TX_MODE_EXT_PAUSE_EN | |
| EMAC_TX_MODE_FLOW_EN)); |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| bnx2x_bits_en(bp, emac_base + |
| EMAC_REG_EMAC_TX_MODE, |
| (EMAC_TX_MODE_EXT_PAUSE_EN | |
| EMAC_TX_MODE_FLOW_EN)); |
| } |
| |
| /* KEEP_VLAN_TAG, promiscuous */ |
| val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); |
| val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; |
| EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val); |
| |
| /* Set Loopback */ |
| val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); |
| if (lb) |
| val |= 0x810; |
| else |
| val &= ~0x810; |
| EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); |
| |
| /* enable emac */ |
| REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); |
| |
| /* enable emac for jumbo packets */ |
| EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, |
| (EMAC_RX_MTU_SIZE_JUMBO_ENA | |
| (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); |
| |
| /* strip CRC */ |
| REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); |
| |
| /* disable the NIG in/out to the bmac */ |
| REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0); |
| REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); |
| REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); |
| |
| /* enable the NIG in/out to the emac */ |
| REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1); |
| val = 0; |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| val = 1; |
| |
| REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); |
| |
| if (CHIP_REV_IS_EMUL(bp)) { |
| /* take the BigMac out of reset */ |
| REG_WR(bp, |
| GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); |
| |
| /* enable access for bmac registers */ |
| REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); |
| } else |
| REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); |
| |
| vars->mac_type = MAC_TYPE_EMAC; |
| return 0; |
| } |
| |
| |
| |
| static u8 bnx2x_bmac_enable(struct link_params *params, struct link_vars *vars, |
| u8 is_lb) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : |
| NIG_REG_INGRESS_BMAC0_MEM; |
| u32 wb_data[2]; |
| u32 val; |
| |
| DP(NETIF_MSG_LINK, "Enabling BigMAC\n"); |
| /* reset and unreset the BigMac */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); |
| msleep(1); |
| |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); |
| |
| /* enable access for bmac registers */ |
| REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); |
| |
| /* XGXS control */ |
| wb_data[0] = 0x3c; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + |
| BIGMAC_REGISTER_BMAC_XGXS_CONTROL, |
| wb_data, 2); |
| |
| /* tx MAC SA */ |
| wb_data[0] = ((params->mac_addr[2] << 24) | |
| (params->mac_addr[3] << 16) | |
| (params->mac_addr[4] << 8) | |
| params->mac_addr[5]); |
| wb_data[1] = ((params->mac_addr[0] << 8) | |
| params->mac_addr[1]); |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, |
| wb_data, 2); |
| |
| /* tx control */ |
| val = 0xc0; |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| val |= 0x800000; |
| wb_data[0] = val; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, |
| wb_data, 2); |
| |
| /* mac control */ |
| val = 0x3; |
| if (is_lb) { |
| val |= 0x4; |
| DP(NETIF_MSG_LINK, "enable bmac loopback\n"); |
| } |
| wb_data[0] = val; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, |
| wb_data, 2); |
| |
| /* set rx mtu */ |
| wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, |
| wb_data, 2); |
| |
| /* rx control set to don't strip crc */ |
| val = 0x14; |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) |
| val |= 0x20; |
| wb_data[0] = val; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, |
| wb_data, 2); |
| |
| /* set tx mtu */ |
| wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, |
| wb_data, 2); |
| |
| /* set cnt max size */ |
| wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, |
| wb_data, 2); |
| |
| /* configure safc */ |
| wb_data[0] = 0x1000200; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, |
| wb_data, 2); |
| /* fix for emulation */ |
| if (CHIP_REV_IS_EMUL(bp)) { |
| wb_data[0] = 0xf000; |
| wb_data[1] = 0; |
| REG_WR_DMAE(bp, |
| bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, |
| wb_data, 2); |
| } |
| |
| REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); |
| REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); |
| val = 0; |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| val = 1; |
| REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); |
| REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); |
| REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); |
| REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); |
| REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); |
| |
| vars->mac_type = MAC_TYPE_BMAC; |
| return 0; |
| } |
| |
| static void bnx2x_phy_deassert(struct link_params *params, u8 phy_flags) |
| { |
| struct bnx2x *bp = params->bp; |
| u32 val; |
| |
| if (phy_flags & PHY_XGXS_FLAG) { |
| DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:XGXS\n"); |
| val = XGXS_RESET_BITS; |
| |
| } else { /* SerDes */ |
| DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:SerDes\n"); |
| val = SERDES_RESET_BITS; |
| } |
| |
| val = val << (params->port*16); |
| |
| /* reset and unreset the SerDes/XGXS */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, |
| val); |
| udelay(500); |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, |
| val); |
| bnx2x_set_phy_mdio(params, phy_flags); |
| } |
| |
| void bnx2x_link_status_update(struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 link_10g; |
| u8 port = params->port; |
| |
| if (params->switch_cfg == SWITCH_CFG_1G) |
| vars->phy_flags = PHY_SERDES_FLAG; |
| else |
| vars->phy_flags = PHY_XGXS_FLAG; |
| vars->link_status = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, |
| port_mb[port].link_status)); |
| |
| vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); |
| |
| if (vars->link_up) { |
| DP(NETIF_MSG_LINK, "phy link up\n"); |
| |
| vars->phy_link_up = 1; |
| vars->duplex = DUPLEX_FULL; |
| switch (vars->link_status & |
| LINK_STATUS_SPEED_AND_DUPLEX_MASK) { |
| case LINK_10THD: |
| vars->duplex = DUPLEX_HALF; |
| /* fall thru */ |
| case LINK_10TFD: |
| vars->line_speed = SPEED_10; |
| break; |
| |
| case LINK_100TXHD: |
| vars->duplex = DUPLEX_HALF; |
| /* fall thru */ |
| case LINK_100T4: |
| case LINK_100TXFD: |
| vars->line_speed = SPEED_100; |
| break; |
| |
| case LINK_1000THD: |
| vars->duplex = DUPLEX_HALF; |
| /* fall thru */ |
| case LINK_1000TFD: |
| vars->line_speed = SPEED_1000; |
| break; |
| |
| case LINK_2500THD: |
| vars->duplex = DUPLEX_HALF; |
| /* fall thru */ |
| case LINK_2500TFD: |
| vars->line_speed = SPEED_2500; |
| break; |
| |
| case LINK_10GTFD: |
| vars->line_speed = SPEED_10000; |
| break; |
| |
| case LINK_12GTFD: |
| vars->line_speed = SPEED_12000; |
| break; |
| |
| case LINK_12_5GTFD: |
| vars->line_speed = SPEED_12500; |
| break; |
| |
| case LINK_13GTFD: |
| vars->line_speed = SPEED_13000; |
| break; |
| |
| case LINK_15GTFD: |
| vars->line_speed = SPEED_15000; |
| break; |
| |
| case LINK_16GTFD: |
| vars->line_speed = SPEED_16000; |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) |
| vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; |
| else |
| vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_TX; |
| |
| if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) |
| vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; |
| else |
| vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_RX; |
| |
| if (vars->phy_flags & PHY_XGXS_FLAG) { |
| if (vars->line_speed && |
| ((vars->line_speed == SPEED_10) || |
| (vars->line_speed == SPEED_100))) { |
| vars->phy_flags |= PHY_SGMII_FLAG; |
| } else { |
| vars->phy_flags &= ~PHY_SGMII_FLAG; |
| } |
| } |
| |
| /* anything 10 and over uses the bmac */ |
| link_10g = ((vars->line_speed == SPEED_10000) || |
| (vars->line_speed == SPEED_12000) || |
| (vars->line_speed == SPEED_12500) || |
| (vars->line_speed == SPEED_13000) || |
| (vars->line_speed == SPEED_15000) || |
| (vars->line_speed == SPEED_16000)); |
| if (link_10g) |
| vars->mac_type = MAC_TYPE_BMAC; |
| else |
| vars->mac_type = MAC_TYPE_EMAC; |
| |
| } else { /* link down */ |
| DP(NETIF_MSG_LINK, "phy link down\n"); |
| |
| vars->phy_link_up = 0; |
| |
| vars->line_speed = 0; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| |
| /* indicate no mac active */ |
| vars->mac_type = MAC_TYPE_NONE; |
| } |
| |
| DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n", |
| vars->link_status, vars->phy_link_up); |
| DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", |
| vars->line_speed, vars->duplex, vars->flow_ctrl); |
| } |
| |
| static void bnx2x_update_mng(struct link_params *params, u32 link_status) |
| { |
| struct bnx2x *bp = params->bp; |
| |
| REG_WR(bp, params->shmem_base + |
| offsetof(struct shmem_region, |
| port_mb[params->port].link_status), |
| link_status); |
| } |
| |
| static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port) |
| { |
| u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : |
| NIG_REG_INGRESS_BMAC0_MEM; |
| u32 wb_data[2]; |
| u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); |
| |
| /* Only if the bmac is out of reset */ |
| if (REG_RD(bp, MISC_REG_RESET_REG_2) & |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && |
| nig_bmac_enable) { |
| |
| /* Clear Rx Enable bit in BMAC_CONTROL register */ |
| REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, |
| wb_data, 2); |
| wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; |
| REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, |
| wb_data, 2); |
| |
| msleep(1); |
| } |
| } |
| |
| static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, |
| u32 line_speed) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u32 init_crd, crd; |
| u32 count = 1000; |
| |
| /* disable port */ |
| REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); |
| |
| /* wait for init credit */ |
| init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); |
| crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); |
| DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); |
| |
| while ((init_crd != crd) && count) { |
| msleep(5); |
| |
| crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); |
| count--; |
| } |
| crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); |
| if (init_crd != crd) { |
| DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", |
| init_crd, crd); |
| return -EINVAL; |
| } |
| |
| if (flow_ctrl & BNX2X_FLOW_CTRL_RX || |
| line_speed == SPEED_10 || |
| line_speed == SPEED_100 || |
| line_speed == SPEED_1000 || |
| line_speed == SPEED_2500) { |
| REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); |
| /* update threshold */ |
| REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); |
| /* update init credit */ |
| init_crd = 778; /* (800-18-4) */ |
| |
| } else { |
| u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + |
| ETH_OVREHEAD)/16; |
| REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); |
| /* update threshold */ |
| REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); |
| /* update init credit */ |
| switch (line_speed) { |
| case SPEED_10000: |
| init_crd = thresh + 553 - 22; |
| break; |
| |
| case SPEED_12000: |
| init_crd = thresh + 664 - 22; |
| break; |
| |
| case SPEED_13000: |
| init_crd = thresh + 742 - 22; |
| break; |
| |
| case SPEED_16000: |
| init_crd = thresh + 778 - 22; |
| break; |
| default: |
| DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", |
| line_speed); |
| return -EINVAL; |
| } |
| } |
| REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); |
| DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", |
| line_speed, init_crd); |
| |
| /* probe the credit changes */ |
| REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); |
| msleep(5); |
| REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); |
| |
| /* enable port */ |
| REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); |
| return 0; |
| } |
| |
| static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 ext_phy_type, u8 port) |
| { |
| u32 emac_base; |
| |
| switch (ext_phy_type) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: |
| /* All MDC/MDIO is directed through single EMAC */ |
| if (REG_RD(bp, NIG_REG_PORT_SWAP)) |
| emac_base = GRCBASE_EMAC0; |
| else |
| emac_base = GRCBASE_EMAC1; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; |
| break; |
| default: |
| emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| break; |
| } |
| return emac_base; |
| |
| } |
| |
| u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, |
| u8 devad, u16 reg, u16 val) |
| { |
| u32 tmp, saved_mode; |
| u8 i, rc = 0; |
| |
| /* set clause 45 mode, slow down the MDIO clock to 2.5MHz |
| * (a value of 49==0x31) and make sure that the AUTO poll is off |
| */ |
| |
| saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); |
| tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL | |
| EMAC_MDIO_MODE_CLOCK_CNT); |
| tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | |
| (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); |
| REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); |
| udelay(40); |
| |
| /* address */ |
| |
| tmp = ((phy->addr << 21) | (devad << 16) | reg | |
| EMAC_MDIO_COMM_COMMAND_ADDRESS | |
| EMAC_MDIO_COMM_START_BUSY); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); |
| |
| for (i = 0; i < 50; i++) { |
| udelay(10); |
| |
| tmp = REG_RD(bp, phy->mdio_ctrl + |
| EMAC_REG_EMAC_MDIO_COMM); |
| if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { |
| udelay(5); |
| break; |
| } |
| } |
| if (tmp & EMAC_MDIO_COMM_START_BUSY) { |
| DP(NETIF_MSG_LINK, "write phy register failed\n"); |
| rc = -EFAULT; |
| } else { |
| /* data */ |
| tmp = ((phy->addr << 21) | (devad << 16) | val | |
| EMAC_MDIO_COMM_COMMAND_WRITE_45 | |
| EMAC_MDIO_COMM_START_BUSY); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); |
| |
| for (i = 0; i < 50; i++) { |
| udelay(10); |
| |
| tmp = REG_RD(bp, phy->mdio_ctrl + |
| EMAC_REG_EMAC_MDIO_COMM); |
| if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { |
| udelay(5); |
| break; |
| } |
| } |
| if (tmp & EMAC_MDIO_COMM_START_BUSY) { |
| DP(NETIF_MSG_LINK, "write phy register failed\n"); |
| rc = -EFAULT; |
| } |
| } |
| |
| /* Restore the saved mode */ |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); |
| |
| return rc; |
| } |
| |
| u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, |
| u8 devad, u16 reg, u16 *ret_val) |
| { |
| u32 val, saved_mode; |
| u16 i; |
| u8 rc = 0; |
| |
| /* set clause 45 mode, slow down the MDIO clock to 2.5MHz |
| * (a value of 49==0x31) and make sure that the AUTO poll is off |
| */ |
| |
| saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); |
| val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL | |
| EMAC_MDIO_MODE_CLOCK_CNT)); |
| val |= (EMAC_MDIO_MODE_CLAUSE_45 | |
| (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); |
| REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); |
| udelay(40); |
| |
| /* address */ |
| val = ((phy->addr << 21) | (devad << 16) | reg | |
| EMAC_MDIO_COMM_COMMAND_ADDRESS | |
| EMAC_MDIO_COMM_START_BUSY); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); |
| |
| for (i = 0; i < 50; i++) { |
| udelay(10); |
| |
| val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); |
| if (!(val & EMAC_MDIO_COMM_START_BUSY)) { |
| udelay(5); |
| break; |
| } |
| } |
| if (val & EMAC_MDIO_COMM_START_BUSY) { |
| DP(NETIF_MSG_LINK, "read phy register failed\n"); |
| |
| *ret_val = 0; |
| rc = -EFAULT; |
| |
| } else { |
| /* data */ |
| val = ((phy->addr << 21) | (devad << 16) | |
| EMAC_MDIO_COMM_COMMAND_READ_45 | |
| EMAC_MDIO_COMM_START_BUSY); |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); |
| |
| for (i = 0; i < 50; i++) { |
| udelay(10); |
| |
| val = REG_RD(bp, phy->mdio_ctrl + |
| EMAC_REG_EMAC_MDIO_COMM); |
| if (!(val & EMAC_MDIO_COMM_START_BUSY)) { |
| *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); |
| break; |
| } |
| } |
| if (val & EMAC_MDIO_COMM_START_BUSY) { |
| DP(NETIF_MSG_LINK, "read phy register failed\n"); |
| |
| *ret_val = 0; |
| rc = -EFAULT; |
| } |
| } |
| |
| /* Restore the saved mode */ |
| REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); |
| |
| return rc; |
| } |
| |
| u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr, |
| u8 devad, u16 reg, u16 *ret_val) |
| { |
| u8 phy_index; |
| /** |
| * Probe for the phy according to the given phy_addr, and execute |
| * the read request on it |
| */ |
| for (phy_index = 0; phy_index < params->num_phys; phy_index++) { |
| if (params->phy[phy_index].addr == phy_addr) { |
| return bnx2x_cl45_read(params->bp, |
| ¶ms->phy[phy_index], devad, |
| reg, ret_val); |
| } |
| } |
| return -EINVAL; |
| } |
| |
| u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr, |
| u8 devad, u16 reg, u16 val) |
| { |
| u8 phy_index; |
| /** |
| * Probe for the phy according to the given phy_addr, and execute |
| * the write request on it |
| */ |
| for (phy_index = 0; phy_index < params->num_phys; phy_index++) { |
| if (params->phy[phy_index].addr == phy_addr) { |
| return bnx2x_cl45_write(params->bp, |
| ¶ms->phy[phy_index], devad, |
| reg, val); |
| } |
| } |
| return -EINVAL; |
| } |
| |
| static void bnx2x_set_aer_mmd(struct link_params *params, |
| struct bnx2x_phy *phy) |
| { |
| struct bnx2x *bp = params->bp; |
| u32 ser_lane; |
| u16 offset; |
| |
| ser_lane = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); |
| |
| offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ? |
| (phy->addr + ser_lane) : 0; |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_AER_BLOCK, |
| MDIO_AER_BLOCK_AER_REG, 0x3800 + offset); |
| } |
| |
| static void bnx2x_set_master_ln(struct link_params *params, |
| struct bnx2x_phy *phy) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 new_master_ln, ser_lane; |
| ser_lane = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); |
| |
| /* set the master_ln for AN */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_TEST_MODE_LANE, |
| &new_master_ln); |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2 , |
| MDIO_XGXS_BLOCK2_TEST_MODE_LANE, |
| (new_master_ln | ser_lane)); |
| } |
| |
| static u8 bnx2x_reset_unicore(struct link_params *params, |
| struct bnx2x_phy *phy, |
| u8 set_serdes) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 mii_control; |
| u16 i; |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); |
| |
| /* reset the unicore */ |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| (mii_control | |
| MDIO_COMBO_IEEO_MII_CONTROL_RESET)); |
| if (set_serdes) |
| bnx2x_set_serdes_access(bp, params->port); |
| |
| /* wait for the reset to self clear */ |
| for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { |
| udelay(5); |
| |
| /* the reset erased the previous bank value */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| &mii_control); |
| |
| if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { |
| udelay(5); |
| return 0; |
| } |
| } |
| |
| DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); |
| return -EINVAL; |
| |
| } |
| |
| static void bnx2x_set_swap_lanes(struct link_params *params, |
| struct bnx2x_phy *phy) |
| { |
| struct bnx2x *bp = params->bp; |
| /* Each two bits represents a lane number: |
| No swap is 0123 => 0x1b no need to enable the swap */ |
| u16 ser_lane, rx_lane_swap, tx_lane_swap; |
| |
| ser_lane = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); |
| rx_lane_swap = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); |
| tx_lane_swap = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); |
| |
| if (rx_lane_swap != 0x1b) { |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_RX_LN_SWAP, |
| (rx_lane_swap | |
| MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | |
| MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); |
| } else { |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); |
| } |
| |
| if (tx_lane_swap != 0x1b) { |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_TX_LN_SWAP, |
| (tx_lane_swap | |
| MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); |
| } else { |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); |
| } |
| } |
| |
| static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 control2; |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, |
| &control2); |
| if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) |
| control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; |
| else |
| control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; |
| DP(NETIF_MSG_LINK, "params->speed_cap_mask = 0x%x, control2 = 0x%x\n", |
| params->speed_cap_mask, control2); |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, |
| control2); |
| |
| if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && |
| (params->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { |
| DP(NETIF_MSG_LINK, "XGXS\n"); |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_10G_PARALLEL_DETECT, |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_10G_PARALLEL_DETECT, |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, |
| &control2); |
| |
| |
| control2 |= |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_10G_PARALLEL_DETECT, |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, |
| control2); |
| |
| /* Disable parallel detection of HiG */ |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_XGXS_BLOCK2, |
| MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, |
| MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | |
| MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); |
| } |
| } |
| |
| static void bnx2x_set_autoneg(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars, |
| u8 enable_cl73) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 reg_val; |
| |
| /* CL37 Autoneg */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); |
| |
| /* CL37 Autoneg Enabled */ |
| if (vars->line_speed == SPEED_AUTO_NEG) |
| reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; |
| else /* CL37 Autoneg Disabled */ |
| reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | |
| MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); |
| |
| /* Enable/Disable Autodetection */ |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); |
| reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); |
| reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; |
| if (vars->line_speed == SPEED_AUTO_NEG) |
| reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; |
| else |
| reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); |
| |
| /* Enable TetonII and BAM autoneg */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_BAM_NEXT_PAGE, |
| MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, |
| ®_val); |
| if (vars->line_speed == SPEED_AUTO_NEG) { |
| /* Enable BAM aneg Mode and TetonII aneg Mode */ |
| reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | |
| MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); |
| } else { |
| /* TetonII and BAM Autoneg Disabled */ |
| reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | |
| MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); |
| } |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_BAM_NEXT_PAGE, |
| MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, |
| reg_val); |
| |
| if (enable_cl73) { |
| /* Enable Cl73 FSM status bits */ |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_USERB0, |
| MDIO_CL73_USERB0_CL73_UCTRL, |
| 0xe); |
| |
| /* Enable BAM Station Manager*/ |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_USERB0, |
| MDIO_CL73_USERB0_CL73_BAM_CTRL1, |
| MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | |
| MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | |
| MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); |
| |
| /* Advertise CL73 link speeds */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_ADV2, |
| ®_val); |
| if (params->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) |
| reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; |
| if (params->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) |
| reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_ADV2, |
| reg_val); |
| |
| /* CL73 Autoneg Enabled */ |
| reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; |
| |
| } else /* CL73 Autoneg Disabled */ |
| reg_val = 0; |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB0, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); |
| } |
| |
| /* program SerDes, forced speed */ |
| static void bnx2x_program_serdes(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 reg_val; |
| |
| /* program duplex, disable autoneg and sgmii*/ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); |
| reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | |
| MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | |
| MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); |
| if (params->req_duplex == DUPLEX_FULL) |
| reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); |
| |
| /* program speed |
| - needed only if the speed is greater than 1G (2.5G or 10G) */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_MISC1, ®_val); |
| /* clearing the speed value before setting the right speed */ |
| DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); |
| |
| reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | |
| MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); |
| |
| if (!((vars->line_speed == SPEED_1000) || |
| (vars->line_speed == SPEED_100) || |
| (vars->line_speed == SPEED_10))) { |
| |
| reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | |
| MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); |
| if (vars->line_speed == SPEED_10000) |
| reg_val |= |
| MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; |
| if (vars->line_speed == SPEED_13000) |
| reg_val |= |
| MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G; |
| } |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_MISC1, reg_val); |
| |
| } |
| |
| static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val = 0; |
| |
| /* configure the 48 bits for BAM AN */ |
| |
| /* set extended capabilities */ |
| if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) |
| val |= MDIO_OVER_1G_UP1_2_5G; |
| if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) |
| val |= MDIO_OVER_1G_UP1_10G; |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_OVER_1G, |
| MDIO_OVER_1G_UP1, val); |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_OVER_1G, |
| MDIO_OVER_1G_UP3, 0x400); |
| } |
| |
| static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, |
| struct link_params *params, u16 *ieee_fc) |
| { |
| struct bnx2x *bp = params->bp; |
| *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; |
| /* resolve pause mode and advertisement |
| * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ |
| |
| switch (params->req_flow_ctrl) { |
| case BNX2X_FLOW_CTRL_AUTO: |
| if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) { |
| *ieee_fc |= |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; |
| } else { |
| *ieee_fc |= |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; |
| } |
| break; |
| case BNX2X_FLOW_CTRL_TX: |
| *ieee_fc |= |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; |
| break; |
| |
| case BNX2X_FLOW_CTRL_RX: |
| case BNX2X_FLOW_CTRL_BOTH: |
| *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; |
| break; |
| |
| case BNX2X_FLOW_CTRL_NONE: |
| default: |
| *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; |
| break; |
| } |
| DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); |
| } |
| |
| static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u16 ieee_fc) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val; |
| /* for AN, we are always publishing full duplex */ |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_ADV1, &val); |
| val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; |
| val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_ADV1, val); |
| } |
| |
| static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u8 enable_cl73) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 mii_control; |
| |
| DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); |
| /* Enable and restart BAM/CL37 aneg */ |
| |
| if (enable_cl73) { |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB0, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL, |
| &mii_control); |
| |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB0, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL, |
| (mii_control | |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); |
| } else { |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| &mii_control); |
| DP(NETIF_MSG_LINK, |
| "bnx2x_restart_autoneg mii_control before = 0x%x\n", |
| mii_control); |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| (mii_control | |
| MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | |
| MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); |
| } |
| } |
| |
| static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 control1; |
| |
| /* in SGMII mode, the unicore is always slave */ |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, |
| &control1); |
| control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; |
| /* set sgmii mode (and not fiber) */ |
| control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, |
| control1); |
| |
| /* if forced speed */ |
| if (!(vars->line_speed == SPEED_AUTO_NEG)) { |
| /* set speed, disable autoneg */ |
| u16 mii_control; |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| &mii_control); |
| mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | |
| MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| |
| MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); |
| |
| switch (vars->line_speed) { |
| case SPEED_100: |
| mii_control |= |
| MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; |
| break; |
| case SPEED_1000: |
| mii_control |= |
| MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; |
| break; |
| case SPEED_10: |
| /* there is nothing to set for 10M */ |
| break; |
| default: |
| /* invalid speed for SGMII */ |
| DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", |
| vars->line_speed); |
| break; |
| } |
| |
| /* setting the full duplex */ |
| if (params->req_duplex == DUPLEX_FULL) |
| mii_control |= |
| MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_MII_CONTROL, |
| mii_control); |
| |
| } else { /* AN mode */ |
| /* enable and restart AN */ |
| bnx2x_restart_autoneg(phy, params, 0); |
| } |
| } |
| |
| |
| /* |
| * link management |
| */ |
| |
| static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) |
| { /* LD LP */ |
| switch (pause_result) { /* ASYM P ASYM P */ |
| case 0xb: /* 1 0 1 1 */ |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; |
| break; |
| |
| case 0xe: /* 1 1 1 0 */ |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; |
| break; |
| |
| case 0x5: /* 0 1 0 1 */ |
| case 0x7: /* 0 1 1 1 */ |
| case 0xd: /* 1 1 0 1 */ |
| case 0xf: /* 1 1 1 1 */ |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 ld_pause; /* local */ |
| u16 lp_pause; /* link partner */ |
| u16 an_complete; /* AN complete */ |
| u16 pause_result; |
| u8 ret = 0; |
| /* read twice */ |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_STATUS, &an_complete); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_STATUS, &an_complete); |
| |
| if (an_complete & MDIO_AN_REG_STATUS_AN_COMPLETE) { |
| ret = 1; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_ADV_PAUSE, &ld_pause); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); |
| pause_result = (ld_pause & |
| MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; |
| pause_result |= (lp_pause & |
| MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; |
| DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", |
| pause_result); |
| bnx2x_pause_resolve(vars, pause_result); |
| if (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE && |
| phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_CL37_FC_LD, &ld_pause); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_CL37_FC_LP, &lp_pause); |
| pause_result = (ld_pause & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; |
| pause_result |= (lp_pause & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; |
| |
| bnx2x_pause_resolve(vars, pause_result); |
| DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", |
| pause_result); |
| } |
| } |
| return ret; |
| } |
| |
| static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 pd_10g, status2_1000x; |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_STATUS2, |
| &status2_1000x); |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_SERDES_DIGITAL, |
| MDIO_SERDES_DIGITAL_A_1000X_STATUS2, |
| &status2_1000x); |
| if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { |
| DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", |
| params->port); |
| return 1; |
| } |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_10G_PARALLEL_DETECT, |
| MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, |
| &pd_10g); |
| |
| if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { |
| DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", |
| params->port); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars, |
| u32 gp_status) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 ld_pause; /* local driver */ |
| u16 lp_pause; /* link partner */ |
| u16 pause_result; |
| |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| |
| /* resolve from gp_status in case of AN complete and not sgmii */ |
| if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && |
| (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && |
| (!(vars->phy_flags & PHY_SGMII_FLAG)) && |
| (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { |
| if (bnx2x_direct_parallel_detect_used(phy, params)) { |
| vars->flow_ctrl = params->req_fc_auto_adv; |
| return; |
| } |
| if ((gp_status & |
| (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | |
| MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == |
| (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | |
| MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { |
| |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_ADV1, |
| &ld_pause); |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB1, |
| MDIO_CL73_IEEEB1_AN_LP_ADV1, |
| &lp_pause); |
| pause_result = (ld_pause & |
| MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) |
| >> 8; |
| pause_result |= (lp_pause & |
| MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) |
| >> 10; |
| DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", |
| pause_result); |
| } else { |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV, |
| &ld_pause); |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_COMBO_IEEE0, |
| MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, |
| &lp_pause); |
| pause_result = (ld_pause & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; |
| pause_result |= (lp_pause & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; |
| DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", |
| pause_result); |
| } |
| bnx2x_pause_resolve(vars, pause_result); |
| } else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && |
| (bnx2x_ext_phy_resolve_fc(phy, params, vars))) { |
| return; |
| } else { |
| if (params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) |
| vars->flow_ctrl = params->req_fc_auto_adv; |
| else |
| vars->flow_ctrl = params->req_flow_ctrl; |
| } |
| DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); |
| } |
| |
| static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 rx_status, ustat_val, cl37_fsm_recieved; |
| DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); |
| /* Step 1: Make sure signal is detected */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_RX0, |
| MDIO_RX0_RX_STATUS, |
| &rx_status); |
| if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != |
| (MDIO_RX0_RX_STATUS_SIGDET)) { |
| DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." |
| "rx_status(0x80b0) = 0x%x\n", rx_status); |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB0, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); |
| return; |
| } |
| /* Step 2: Check CL73 state machine */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_USERB0, |
| MDIO_CL73_USERB0_CL73_USTAT1, |
| &ustat_val); |
| if ((ustat_val & |
| (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | |
| MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != |
| (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | |
| MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { |
| DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " |
| "ustat_val(0x8371) = 0x%x\n", ustat_val); |
| return; |
| } |
| /* Step 3: Check CL37 Message Pages received to indicate LP |
| supports only CL37 */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_REMOTE_PHY, |
| MDIO_REMOTE_PHY_MISC_RX_STATUS, |
| &cl37_fsm_recieved); |
| if ((cl37_fsm_recieved & |
| (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | |
| MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) != |
| (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | |
| MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { |
| DP(NETIF_MSG_LINK, "No CL37 FSM were received. " |
| "misc_rx_status(0x8330) = 0x%x\n", |
| cl37_fsm_recieved); |
| return; |
| } |
| /* The combined cl37/cl73 fsm state information indicating that we are |
| connected to a device which does not support cl73, but does support |
| cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */ |
| /* Disable CL73 */ |
| CL45_WR_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_CL73_IEEEB0, |
| MDIO_CL73_IEEEB0_CL73_AN_CONTROL, |
| 0); |
| /* Restart CL37 autoneg */ |
| bnx2x_restart_autoneg(phy, params, 0); |
| DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); |
| } |
| static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 new_line_speed , gp_status; |
| u8 rc = 0; |
| u32 ext_phy_type; |
| /* Read gp_status */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_GP_STATUS, |
| MDIO_GP_STATUS_TOP_AN_STATUS1, |
| &gp_status); |
| |
| if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { |
| DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n", |
| gp_status); |
| |
| vars->phy_link_up = 1; |
| vars->link_status |= LINK_STATUS_LINK_UP; |
| |
| if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) |
| vars->duplex = DUPLEX_FULL; |
| else |
| vars->duplex = DUPLEX_HALF; |
| |
| bnx2x_flow_ctrl_resolve(¶ms->phy[INT_PHY], |
| params, vars, gp_status); |
| |
| switch (gp_status & GP_STATUS_SPEED_MASK) { |
| case GP_STATUS_10M: |
| new_line_speed = SPEED_10; |
| if (vars->duplex == DUPLEX_FULL) |
| vars->link_status |= LINK_10TFD; |
| else |
| vars->link_status |= LINK_10THD; |
| break; |
| |
| case GP_STATUS_100M: |
| new_line_speed = SPEED_100; |
| if (vars->duplex == DUPLEX_FULL) |
| vars->link_status |= LINK_100TXFD; |
| else |
| vars->link_status |= LINK_100TXHD; |
| break; |
| |
| case GP_STATUS_1G: |
| case GP_STATUS_1G_KX: |
| new_line_speed = SPEED_1000; |
| if (vars->duplex == DUPLEX_FULL) |
| vars->link_status |= LINK_1000TFD; |
| else |
| vars->link_status |= LINK_1000THD; |
| break; |
| |
| case GP_STATUS_2_5G: |
| new_line_speed = SPEED_2500; |
| if (vars->duplex == DUPLEX_FULL) |
| vars->link_status |= LINK_2500TFD; |
| else |
| vars->link_status |= LINK_2500THD; |
| break; |
| |
| case GP_STATUS_5G: |
| case GP_STATUS_6G: |
| DP(NETIF_MSG_LINK, |
| "link speed unsupported gp_status 0x%x\n", |
| gp_status); |
| return -EINVAL; |
| |
| case GP_STATUS_10G_KX4: |
| case GP_STATUS_10G_HIG: |
| case GP_STATUS_10G_CX4: |
| new_line_speed = SPEED_10000; |
| vars->link_status |= LINK_10GTFD; |
| break; |
| |
| case GP_STATUS_12G_HIG: |
| new_line_speed = SPEED_12000; |
| vars->link_status |= LINK_12GTFD; |
| break; |
| |
| case GP_STATUS_12_5G: |
| new_line_speed = SPEED_12500; |
| vars->link_status |= LINK_12_5GTFD; |
| break; |
| |
| case GP_STATUS_13G: |
| new_line_speed = SPEED_13000; |
| vars->link_status |= LINK_13GTFD; |
| break; |
| |
| case GP_STATUS_15G: |
| new_line_speed = SPEED_15000; |
| vars->link_status |= LINK_15GTFD; |
| break; |
| |
| case GP_STATUS_16G: |
| new_line_speed = SPEED_16000; |
| vars->link_status |= LINK_16GTFD; |
| break; |
| |
| default: |
| DP(NETIF_MSG_LINK, |
| "link speed unsupported gp_status 0x%x\n", |
| gp_status); |
| return -EINVAL; |
| } |
| |
| vars->line_speed = new_line_speed; |
| vars->link_status |= LINK_STATUS_SERDES_LINK; |
| ext_phy_type = params->phy[EXT_PHY1].type; |
| if ((params->req_line_speed == SPEED_AUTO_NEG) && |
| ((ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) || |
| (ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || |
| (ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) || |
| (ext_phy_type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726))) { |
| vars->autoneg = AUTO_NEG_ENABLED; |
| |
| if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { |
| vars->autoneg |= AUTO_NEG_COMPLETE; |
| vars->link_status |= |
| LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; |
| } |
| |
| vars->autoneg |= AUTO_NEG_PARALLEL_DETECTION_USED; |
| vars->link_status |= |
| LINK_STATUS_PARALLEL_DETECTION_USED; |
| |
| } |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) |
| vars->link_status |= |
| LINK_STATUS_TX_FLOW_CONTROL_ENABLED; |
| |
| if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) |
| vars->link_status |= |
| LINK_STATUS_RX_FLOW_CONTROL_ENABLED; |
| |
| |
| } else { /* link_down */ |
| DP(NETIF_MSG_LINK, "phy link down\n"); |
| |
| vars->phy_link_up = 0; |
| |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->autoneg = AUTO_NEG_DISABLED; |
| vars->mac_type = MAC_TYPE_NONE; |
| |
| if ((params->req_line_speed == SPEED_AUTO_NEG) && |
| (SINGLE_MEDIA_DIRECT(params))) { |
| /* Check signal is detected */ |
| bnx2x_check_fallback_to_cl37(¶ms->phy[INT_PHY], |
| params); |
| } |
| } |
| |
| DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n", |
| gp_status, vars->phy_link_up, vars->line_speed); |
| DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x" |
| " autoneg 0x%x\n", |
| vars->duplex, |
| vars->flow_ctrl, vars->autoneg); |
| DP(NETIF_MSG_LINK, "link_status 0x%x\n", vars->link_status); |
| |
| return rc; |
| } |
| |
| static void bnx2x_set_gmii_tx_driver(struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; |
| u16 lp_up2; |
| u16 tx_driver; |
| u16 bank; |
| |
| /* read precomp */ |
| CL45_RD_OVER_CL22(bp, phy, |
| MDIO_REG_BANK_OVER_1G, |
| MDIO_OVER_1G_LP_UP2, &lp_up2); |
| |
| /* bits [10:7] at lp_up2, positioned at [15:12] */ |
| lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> |
| MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << |
| MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); |
| |
| if (lp_up2 == 0) |
| return; |
| |
| for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; |
| bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { |
| CL45_RD_OVER_CL22(bp, phy, |
| bank, |
| MDIO_TX0_TX_DRIVER, &tx_driver); |
| |
| /* replace tx_driver bits [15:12] */ |
| if (lp_up2 != |
| (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { |
| tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; |
| tx_driver |= lp_up2; |
| CL45_WR_OVER_CL22(bp, phy, |
| bank, |
| MDIO_TX0_TX_DRIVER, tx_driver); |
| } |
| } |
| } |
| |
| static u8 bnx2x_emac_program(struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u16 mode = 0; |
| |
| DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); |
| bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + |
| EMAC_REG_EMAC_MODE, |
| (EMAC_MODE_25G_MODE | |
| EMAC_MODE_PORT_MII_10M | |
| EMAC_MODE_HALF_DUPLEX)); |
| switch (vars->line_speed) { |
| case SPEED_10: |
| mode |= EMAC_MODE_PORT_MII_10M; |
| break; |
| |
| case SPEED_100: |
| mode |= EMAC_MODE_PORT_MII; |
| break; |
| |
| case SPEED_1000: |
| mode |= EMAC_MODE_PORT_GMII; |
| break; |
| |
| case SPEED_2500: |
| mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); |
| break; |
| |
| default: |
| /* 10G not valid for EMAC */ |
| DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", |
| vars->line_speed); |
| return -EINVAL; |
| } |
| |
| if (vars->duplex == DUPLEX_HALF) |
| mode |= EMAC_MODE_HALF_DUPLEX; |
| bnx2x_bits_en(bp, |
| GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, |
| mode); |
| |
| bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed); |
| return 0; |
| } |
| |
| static u8 bnx2x_init_serdes(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u8 rc; |
| vars->phy_flags |= PHY_SGMII_FLAG; |
| bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); |
| bnx2x_set_aer_mmd(params, phy); |
| rc = bnx2x_reset_unicore(params, phy, 1); |
| /* reset the SerDes and wait for reset bit return low */ |
| if (rc != 0) |
| return rc; |
| bnx2x_set_aer_mmd(params, phy); |
| |
| return rc; |
| } |
| |
| static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u8 rc; |
| vars->phy_flags = PHY_XGXS_FLAG; |
| if ((phy->req_line_speed && |
| ((phy->req_line_speed == SPEED_100) || |
| (phy->req_line_speed == SPEED_10))) || |
| (!phy->req_line_speed && |
| (phy->speed_cap_mask >= |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && |
| (phy->speed_cap_mask < |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) |
| )) |
| vars->phy_flags |= PHY_SGMII_FLAG; |
| else |
| vars->phy_flags &= ~PHY_SGMII_FLAG; |
| |
| bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); |
| bnx2x_set_aer_mmd(params, phy); |
| bnx2x_set_master_ln(params, phy); |
| |
| rc = bnx2x_reset_unicore(params, phy, 0); |
| /* reset the SerDes and wait for reset bit return low */ |
| if (rc != 0) |
| return rc; |
| |
| bnx2x_set_aer_mmd(params, phy); |
| |
| /* setting the masterLn_def again after the reset */ |
| bnx2x_set_master_ln(params, phy); |
| bnx2x_set_swap_lanes(params, phy); |
| |
| return rc; |
| } |
| /*****************************************************************************/ |
| /* External Phy section */ |
| /*****************************************************************************/ |
| void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) |
| { |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, port); |
| msleep(1); |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); |
| } |
| |
| static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, |
| u32 shmem_base, u32 spirom_ver) |
| { |
| DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", |
| (u16)(spirom_ver>>16), (u16)spirom_ver, port); |
| REG_WR(bp, shmem_base + |
| offsetof(struct shmem_region, |
| port_mb[port].ext_phy_fw_version), |
| spirom_ver); |
| } |
| |
| static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, u8 port, |
| struct bnx2x_phy *phy, |
| u32 shmem_base) |
| { |
| u16 fw_ver1, fw_ver2; |
| |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER1, &fw_ver1); |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, &fw_ver2); |
| bnx2x_save_spirom_version(bp, port, shmem_base, |
| (u32)(fw_ver1<<16 | fw_ver2)); |
| } |
| |
| static void bnx2x_save_8481_spirom_version(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u32 shmem_base) |
| { |
| u16 val, fw_ver1, fw_ver2, cnt; |
| struct bnx2x *bp = params->bp; |
| |
| /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/ |
| /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009); |
| |
| for (cnt = 0; cnt < 100; cnt++) { |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); |
| if (val & 1) |
| break; |
| udelay(5); |
| } |
| if (cnt == 100) { |
| DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(1)\n"); |
| bnx2x_save_spirom_version(bp, params->port, |
| shmem_base, 0); |
| return; |
| } |
| |
| |
| /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A); |
| for (cnt = 0; cnt < 100; cnt++) { |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); |
| if (val & 1) |
| break; |
| udelay(5); |
| } |
| if (cnt == 100) { |
| DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n"); |
| bnx2x_save_spirom_version(bp, params->port, 0, |
| phy->ver_addr); |
| return; |
| } |
| |
| /* lower 16 bits of the register SPI_FW_STATUS */ |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1); |
| /* upper 16 bits of register SPI_FW_STATUS */ |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2); |
| |
| bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1, |
| phy->ver_addr); |
| } |
| |
| static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) |
| { |
| /* This is only required for 8073A1, version 102 only */ |
| u16 val; |
| |
| /* Read 8073 HW revision*/ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8073_CHIP_REV, &val); |
| |
| if (val != 1) { |
| /* No need to workaround in 8073 A1 */ |
| return 0; |
| } |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, &val); |
| |
| /* SNR should be applied only for version 0x102 */ |
| if (val != 0x102) |
| return 0; |
| |
| return 1; |
| } |
| static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) |
| { |
| u16 val, cnt, cnt1 ; |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8073_CHIP_REV, &val); |
| |
| if (val > 0) { |
| /* No need to workaround in 8073 A1 */ |
| return 0; |
| } |
| /* XAUI workaround in 8073 A0: */ |
| |
| /* After loading the boot ROM and restarting Autoneg, |
| poll Dev1, Reg $C820: */ |
| |
| for (cnt = 0; cnt < 1000; cnt++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8073_SPEED_LINK_STATUS, |
| &val); |
| /* If bit [14] = 0 or bit [13] = 0, continue on with |
| system initialization (XAUI work-around not required, |
| as these bits indicate 2.5G or 1G link up). */ |
| if (!(val & (1<<14)) || !(val & (1<<13))) { |
| DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); |
| return 0; |
| } else if (!(val & (1<<15))) { |
| DP(NETIF_MSG_LINK, "clc bit 15 went off\n"); |
| /* If bit 15 is 0, then poll Dev1, Reg $C841 until |
| it's MSB (bit 15) goes to 1 (indicating that the |
| XAUI workaround has completed), |
| then continue on with system initialization.*/ |
| for (cnt1 = 0; cnt1 < 1000; cnt1++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8073_XAUI_WA, &val); |
| if (val & (1<<15)) { |
| DP(NETIF_MSG_LINK, |
| "XAUI workaround has completed\n"); |
| return 0; |
| } |
| msleep(3); |
| } |
| break; |
| } |
| msleep(3); |
| } |
| DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); |
| return -EINVAL; |
| } |
| |
| static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, |
| struct bnx2x_phy *phy, |
| u8 port, u32 shmem_base) |
| { |
| /* Boot port from external ROM */ |
| /* EDC grst */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| 0x0001); |
| |
| /* ucode reboot and rst */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| 0x008c); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_MISC_CTRL1, 0x0001); |
| |
| /* Reset internal microprocessor */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); |
| |
| /* Release srst bit */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); |
| |
| /* wait for 120ms for code download via SPI port */ |
| msleep(120); |
| |
| /* Clear ser_boot_ctl bit */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_MISC_CTRL1, 0x0000); |
| bnx2x_save_bcm_spirom_ver(bp, port, phy, shmem_base); |
| } |
| |
| static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| /* Need to wait 100ms after reset */ |
| msleep(100); |
| |
| /* Micro controller re-boot */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); |
| |
| /* Set soft reset */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_MISC_CTRL1, 0x0001); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, |
| MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); |
| |
| /* wait for 150ms for microcode load */ |
| msleep(150); |
| |
| /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_MISC_CTRL1, 0x0000); |
| |
| msleep(200); |
| bnx2x_save_bcm_spirom_ver(bp, params->port, |
| phy, |
| params->shmem_base); |
| } |
| |
| static void bnx2x_sfp_set_transmitter(struct bnx2x *bp, |
| struct bnx2x_phy *phy, |
| u8 port, |
| u8 tx_en) |
| { |
| u16 val; |
| |
| DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n", |
| tx_en, port); |
| /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, |
| &val); |
| |
| if (tx_en) |
| val &= ~(1<<15); |
| else |
| val |= (1<<15); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, |
| val); |
| } |
| |
| static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u16 addr, u8 byte_cnt, u8 *o_buf) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val = 0; |
| u16 i; |
| if (byte_cnt > 16) { |
| DP(NETIF_MSG_LINK, "Reading from eeprom is" |
| " is limited to 0xf\n"); |
| return -EINVAL; |
| } |
| /* Set the read command byte count */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, |
| (byte_cnt | 0xa000)); |
| |
| /* Set the read command address */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, |
| addr); |
| |
| /* Activate read command */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, |
| 0x2c0f); |
| |
| /* Wait up to 500us for command complete status */ |
| for (i = 0; i < 100; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) |
| break; |
| udelay(5); |
| } |
| |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { |
| DP(NETIF_MSG_LINK, |
| "Got bad status 0x%x when reading from SFP+ EEPROM\n", |
| (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); |
| return -EINVAL; |
| } |
| |
| /* Read the buffer */ |
| for (i = 0; i < byte_cnt; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); |
| o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); |
| } |
| |
| for (i = 0; i < 100; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) |
| return 0; |
| msleep(1); |
| } |
| return -EINVAL; |
| } |
| |
| static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u16 addr, u8 byte_cnt, u8 *o_buf) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val, i; |
| |
| if (byte_cnt > 16) { |
| DP(NETIF_MSG_LINK, "Reading from eeprom is" |
| " is limited to 0xf\n"); |
| return -EINVAL; |
| } |
| |
| /* Need to read from 1.8000 to clear it */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, |
| &val); |
| |
| /* Set the read command byte count */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, |
| ((byte_cnt < 2) ? 2 : byte_cnt)); |
| |
| /* Set the read command address */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, |
| addr); |
| /* Set the destination address */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| 0x8004, |
| MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); |
| |
| /* Activate read command */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, |
| 0x8002); |
| /* Wait appropriate time for two-wire command to finish before |
| polling the status register */ |
| msleep(1); |
| |
| /* Wait up to 500us for command complete status */ |
| for (i = 0; i < 100; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) |
| break; |
| udelay(5); |
| } |
| |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { |
| DP(NETIF_MSG_LINK, |
| "Got bad status 0x%x when reading from SFP+ EEPROM\n", |
| (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); |
| return -EINVAL; |
| } |
| |
| /* Read the buffer */ |
| for (i = 0; i < byte_cnt; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); |
| o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); |
| } |
| |
| for (i = 0; i < 100; i++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); |
| if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == |
| MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) |
| return 0;; |
| msleep(1); |
| } |
| |
| return -EINVAL; |
| } |
| |
| u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, |
| struct link_params *params, u16 addr, |
| u8 byte_cnt, u8 *o_buf) |
| { |
| if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) |
| return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr, |
| byte_cnt, o_buf); |
| else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) |
| return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr, |
| byte_cnt, o_buf); |
| return -EINVAL; |
| } |
| |
| static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy, |
| struct link_params *params, |
| u16 *edc_mode) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 val, check_limiting_mode = 0; |
| *edc_mode = EDC_MODE_LIMITING; |
| |
| /* First check for copper cable */ |
| if (bnx2x_read_sfp_module_eeprom(phy, |
| params, |
| SFP_EEPROM_CON_TYPE_ADDR, |
| 1, |
| &val) != 0) { |
| DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); |
| return -EINVAL; |
| } |
| |
| switch (val) { |
| case SFP_EEPROM_CON_TYPE_VAL_COPPER: |
| { |
| u8 copper_module_type; |
| |
| /* Check if its active cable( includes SFP+ module) |
| of passive cable*/ |
| if (bnx2x_read_sfp_module_eeprom(phy, |
| params, |
| SFP_EEPROM_FC_TX_TECH_ADDR, |
| 1, |
| &copper_module_type) != |
| 0) { |
| DP(NETIF_MSG_LINK, |
| "Failed to read copper-cable-type" |
| " from SFP+ EEPROM\n"); |
| return -EINVAL; |
| } |
| |
| if (copper_module_type & |
| SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { |
| DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); |
| check_limiting_mode = 1; |
| } else if (copper_module_type & |
| SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { |
| DP(NETIF_MSG_LINK, "Passive Copper" |
| " cable detected\n"); |
| *edc_mode = |
| EDC_MODE_PASSIVE_DAC; |
| } else { |
| DP(NETIF_MSG_LINK, "Unknown copper-cable-" |
| "type 0x%x !!!\n", copper_module_type); |
| return -EINVAL; |
| } |
| break; |
| } |
| case SFP_EEPROM_CON_TYPE_VAL_LC: |
| DP(NETIF_MSG_LINK, "Optic module detected\n"); |
| check_limiting_mode = 1; |
| break; |
| default: |
| DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", |
| val); |
| return -EINVAL; |
| } |
| |
| if (check_limiting_mode) { |
| u8 options[SFP_EEPROM_OPTIONS_SIZE]; |
| if (bnx2x_read_sfp_module_eeprom(phy, |
| params, |
| SFP_EEPROM_OPTIONS_ADDR, |
| SFP_EEPROM_OPTIONS_SIZE, |
| options) != 0) { |
| DP(NETIF_MSG_LINK, "Failed to read Option" |
| " field from module EEPROM\n"); |
| return -EINVAL; |
| } |
| if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) |
| *edc_mode = EDC_MODE_LINEAR; |
| else |
| *edc_mode = EDC_MODE_LIMITING; |
| } |
| DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); |
| return 0; |
| } |
| /* This function read the relevant field from the module ( SFP+ ), |
| and verify it is compliant with this board */ |
| static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u32 val; |
| u32 fw_resp; |
| char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; |
| char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; |
| |
| val = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_feature_config[params->port].config)); |
| if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == |
| PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { |
| DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); |
| return 0; |
| } |
| |
| /* Ask the FW to validate the module */ |
| if (!(params->feature_config_flags & |
| FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY)) { |
| DP(NETIF_MSG_LINK, "FW does not support OPT MDL " |
| "verification\n"); |
| return -EINVAL; |
| } |
| |
| fw_resp = bnx2x_fw_command(bp, DRV_MSG_CODE_VRFY_OPT_MDL); |
| if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { |
| DP(NETIF_MSG_LINK, "Approved module\n"); |
| return 0; |
| } |
| |
| /* format the warning message */ |
| if (bnx2x_read_sfp_module_eeprom(phy, |
| params, |
| SFP_EEPROM_VENDOR_NAME_ADDR, |
| SFP_EEPROM_VENDOR_NAME_SIZE, |
| (u8 *)vendor_name)) |
| vendor_name[0] = '\0'; |
| else |
| vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; |
| if (bnx2x_read_sfp_module_eeprom(phy, |
| params, |
| SFP_EEPROM_PART_NO_ADDR, |
| SFP_EEPROM_PART_NO_SIZE, |
| (u8 *)vendor_pn)) |
| vendor_pn[0] = '\0'; |
| else |
| vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; |
| |
| netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected," |
| " Port %d from %s part number %s\n", |
| params->port, vendor_name, vendor_pn); |
| return -EINVAL; |
| } |
| |
| static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp, |
| struct bnx2x_phy *phy, |
| u16 edc_mode) |
| { |
| u16 cur_limiting_mode; |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, |
| &cur_limiting_mode); |
| DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", |
| cur_limiting_mode); |
| |
| if (edc_mode == EDC_MODE_LIMITING) { |
| DP(NETIF_MSG_LINK, |
| "Setting LIMITING MODE\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, |
| EDC_MODE_LIMITING); |
| } else { /* LRM mode ( default )*/ |
| |
| DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); |
| |
| /* Changing to LRM mode takes quite few seconds. |
| So do it only if current mode is limiting |
| ( default is LRM )*/ |
| if (cur_limiting_mode != EDC_MODE_LIMITING) |
| return 0; |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_LRM_MODE, |
| 0); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, |
| 0x128); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_MISC_CTRL0, |
| 0x4008); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_LRM_MODE, |
| 0xaaaa); |
| } |
| return 0; |
| } |
| |
| static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp, |
| struct bnx2x_phy *phy, |
| u16 edc_mode) |
| { |
| u16 phy_identifier; |
| u16 rom_ver2_val; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, |
| &phy_identifier); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, |
| (phy_identifier & ~(1<<9))); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, |
| &rom_ver2_val); |
| /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER2, |
| (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, |
| (phy_identifier | (1<<9))); |
| |
| return 0; |
| } |
| |
| |
| static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, |
| struct link_params *params) |
| |
| { |
| u8 val; |
| struct bnx2x *bp = params->bp; |
| u16 timeout; |
| /* Initialization time after hot-plug may take up to 300ms for some |
| phys type ( e.g. JDSU ) */ |
| for (timeout = 0; timeout < 60; timeout++) { |
| if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) |
| == 0) { |
| DP(NETIF_MSG_LINK, "SFP+ module initialization " |
| "took %d ms\n", timeout * 5); |
| return 0; |
| } |
| msleep(5); |
| } |
| return -EINVAL; |
| } |
| |
| static void bnx2x_8727_power_module(struct bnx2x *bp, |
| struct bnx2x_phy *phy, |
| u8 is_power_up) { |
| /* Make sure GPIOs are not using for LED mode */ |
| u16 val; |
| /* |
| * In the GPIO register, bit 4 is use to detemine if the GPIOs are |
| * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for |
| * output |
| * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0 |
| * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1 |
| * where the 1st bit is the over-current(only input), and 2nd bit is |
| * for power( only output ) |
| */ |
| |
| /* |
| * In case of NOC feature is disabled and power is up, set GPIO control |
| * as input to enable listening of over-current indication |
| */ |
| if (phy->flags & FLAGS_NOC) |
| return; |
| if (!(phy->flags & |
| FLAGS_NOC) && is_power_up) |
| val = (1<<4); |
| else |
| /* |
| * Set GPIO control to OUTPUT, and set the power bit |
| * to according to the is_power_up |
| */ |
| val = ((!(is_power_up)) << 1); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8727_GPIO_CTRL, |
| val); |
| } |
| |
| static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 edc_mode; |
| u8 rc = 0; |
| |
| u32 val = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_feature_config[params->port].config)); |
| |
| DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", |
| params->port); |
| |
| if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { |
| DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); |
| return -EINVAL; |
| } else if (bnx2x_verify_sfp_module(phy, params) != |
| 0) { |
| /* check SFP+ module compatibility */ |
| DP(NETIF_MSG_LINK, "Module verification failed!!\n"); |
| rc = -EINVAL; |
| /* Turn on fault module-detected led */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, |
| MISC_REGISTERS_GPIO_HIGH, |
| params->port); |
| if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) && |
| ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == |
| PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) { |
| /* Shutdown SFP+ module */ |
| DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); |
| bnx2x_8727_power_module(bp, phy, 0); |
| return rc; |
| } |
| } else { |
| /* Turn off fault module-detected led */ |
| DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n"); |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, |
| MISC_REGISTERS_GPIO_LOW, |
| params->port); |
| } |
| |
| /* power up the SFP module */ |
| if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) |
| bnx2x_8727_power_module(bp, phy, 1); |
| |
| /* Check and set limiting mode / LRM mode on 8726. |
| On 8727 it is done automatically */ |
| if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) |
| bnx2x_8726_set_limiting_mode(bp, phy, edc_mode); |
| else |
| bnx2x_8727_set_limiting_mode(bp, phy, edc_mode); |
| /* |
| * Enable transmit for this module if the module is approved, or |
| * if unapproved modules should also enable the Tx laser |
| */ |
| if (rc == 0 || |
| (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != |
| PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) |
| bnx2x_sfp_set_transmitter(bp, phy, params->port, 1); |
| else |
| bnx2x_sfp_set_transmitter(bp, phy, params->port, 0); |
| |
| return rc; |
| } |
| |
| void bnx2x_handle_module_detect_int(struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| struct bnx2x_phy *phy = ¶ms->phy[EXT_PHY1]; |
| u32 gpio_val; |
| u8 port = params->port; |
| |
| /* Set valid module led off */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, |
| MISC_REGISTERS_GPIO_HIGH, |
| params->port); |
| |
| /* Get current gpio val refelecting module plugged in / out*/ |
| gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port); |
| |
| /* Call the handling function in case module is detected */ |
| if (gpio_val == 0) { |
| |
| bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, |
| MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, |
| port); |
| |
| if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) |
| bnx2x_sfp_module_detection(phy, params); |
| else |
| DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); |
| } else { |
| u32 val = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_feature_config[params->port]. |
| config)); |
| |
| bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, |
| MISC_REGISTERS_GPIO_INT_OUTPUT_SET, |
| port); |
| /* Module was plugged out. */ |
| /* Disable transmit for this module */ |
| if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == |
| PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) |
| bnx2x_sfp_set_transmitter(bp, phy, params->port, 0); |
| } |
| } |
| |
| static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) |
| { |
| /* Force KR or KX */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); |
| } |
| |
| static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp, |
| struct bnx2x_phy *phy) |
| { |
| u16 val; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val); |
| |
| if (val == 0) { |
| /* Mustn't set low power mode in 8073 A0 */ |
| return; |
| } |
| |
| /* Disable PLL sequencer (use read-modify-write to clear bit 13) */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val); |
| val &= ~(1<<13); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val); |
| |
| /* PLL controls */ |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490); |
| |
| /* Tx Controls */ |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640); |
| |
| /* Rx Controls */ |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015); |
| |
| /* Enable PLL sequencer (use read-modify-write to set bit 13) */ |
| bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val); |
| val |= (1<<13); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val); |
| } |
| |
| static void bnx2x_8073_set_pause_cl37(struct link_params *params, |
| struct bnx2x_phy *phy, |
| struct link_vars *vars) |
| { |
| u16 cl37_val; |
| struct bnx2x *bp = params->bp; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); |
| |
| cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; |
| /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ |
| bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); |
| if ((vars->ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { |
| cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; |
| } |
| if ((vars->ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { |
| cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; |
| } |
| if ((vars->ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { |
| cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; |
| } |
| DP(NETIF_MSG_LINK, |
| "Ext phy AN advertize cl37 0x%x\n", cl37_val); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); |
| msleep(500); |
| } |
| |
| static void bnx2x_ext_phy_set_pause(struct link_params *params, |
| struct bnx2x_phy *phy, |
| struct link_vars *vars) |
| { |
| u16 val; |
| struct bnx2x *bp = params->bp; |
| /* read modify write pause advertizing */ |
| bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); |
| |
| val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; |
| |
| /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ |
| |
| if ((vars->ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { |
| val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; |
| } |
| if ((vars->ieee_fc & |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == |
| MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { |
| val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; |
| } |
| DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); |
| } |
| |
| static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| |
| u16 bank, i = 0; |
| struct bnx2x *bp = params->bp; |
| |
| for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; |
| bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { |
| CL45_WR_OVER_CL22(bp, phy, |
| bank, |
| MDIO_RX0_RX_EQ_BOOST, |
| phy->rx_preemphasis[i]); |
| } |
| |
| for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; |
| bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { |
| CL45_WR_OVER_CL22(bp, phy, |
| bank, |
| MDIO_TX0_TX_DRIVER, |
| phy->tx_preemphasis[i]); |
| } |
| } |
| |
| static void bnx2x_8481_set_led(struct bnx2x *bp, |
| struct bnx2x_phy *phy) |
| { |
| u16 val; |
| |
| /* PHYC_CTL_LED_CTL */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8481_LINK_SIGNAL, &val); |
| val &= 0xFE00; |
| val |= 0x0092; |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8481_LINK_SIGNAL, val); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8481_LED1_MASK, |
| 0x80); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8481_LED2_MASK, |
| 0x18); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8481_LED3_MASK, |
| 0x0040); |
| |
| /* 'Interrupt Mask' */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, |
| 0xFFFB, 0xFFFD); |
| } |
| |
| static void bnx2x_init_internal_phy(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || |
| (params->loopback_mode == LOOPBACK_XGXS_10)); |
| if (!(vars->phy_flags & PHY_SGMII_FLAG)) { |
| if (SINGLE_MEDIA_DIRECT(params) && |
| (params->feature_config_flags & |
| FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) |
| bnx2x_set_preemphasis(phy, params); |
| |
| /* forced speed requested? */ |
| if (vars->line_speed != SPEED_AUTO_NEG || |
| (SINGLE_MEDIA_DIRECT(params) && |
| params->loopback_mode == LOOPBACK_EXT)) { |
| DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); |
| |
| /* disable autoneg */ |
| bnx2x_set_autoneg(phy, params, vars, 0); |
| |
| /* program speed and duplex */ |
| bnx2x_program_serdes(phy, params, vars); |
| |
| } else { /* AN_mode */ |
| DP(NETIF_MSG_LINK, "not SGMII, AN\n"); |
| |
| /* AN enabled */ |
| bnx2x_set_brcm_cl37_advertisment(phy, params); |
| |
| /* program duplex & pause advertisement (for aneg) */ |
| bnx2x_set_ieee_aneg_advertisment(phy, params, |
| vars->ieee_fc); |
| |
| /* enable autoneg */ |
| bnx2x_set_autoneg(phy, params, vars, enable_cl73); |
| |
| /* enable and restart AN */ |
| bnx2x_restart_autoneg(phy, params, enable_cl73); |
| } |
| |
| } else { /* SGMII mode */ |
| DP(NETIF_MSG_LINK, "SGMII\n"); |
| |
| bnx2x_initialize_sgmii_process(phy, params, vars); |
| } |
| } |
| |
| static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, |
| struct bnx2x_phy *phy) |
| { |
| u16 cnt, ctrl; |
| /* Wait for soft reset to get cleared upto 1 sec */ |
| for (cnt = 0; cnt < 1000; cnt++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl); |
| if (!(ctrl & (1<<15))) |
| break; |
| msleep(1); |
| } |
| DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); |
| return cnt; |
| } |
| |
| static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "init 8705\n"); |
| /* Restore normal power mode*/ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| /* HW reset */ |
| bnx2x_ext_phy_hw_reset(bp, params->port); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); |
| bnx2x_wait_reset_complete(bp, phy); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); |
| /* BCM8705 doesn't have microcode, hence the 0 */ |
| bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); |
| return 0; |
| } |
| |
| static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u16 cnt, val; |
| struct bnx2x *bp = params->bp; |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| /* HW reset */ |
| bnx2x_ext_phy_hw_reset(bp, params->port); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); |
| |
| bnx2x_wait_reset_complete(bp, phy); |
| |
| /* Wait until fw is loaded */ |
| for (cnt = 0; cnt < 100; cnt++) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); |
| if (val) |
| break; |
| msleep(10); |
| } |
| DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); |
| if ((params->feature_config_flags & |
| FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { |
| u8 i; |
| u16 reg; |
| for (i = 0; i < 4; i++) { |
| reg = MDIO_XS_8706_REG_BANK_RX0 + |
| i*(MDIO_XS_8706_REG_BANK_RX1 - |
| MDIO_XS_8706_REG_BANK_RX0); |
| bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); |
| /* Clear first 3 bits of the control */ |
| val &= ~0x7; |
| /* Set control bits according to configuration */ |
| val |= (phy->rx_preemphasis[i] & 0x7); |
| DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" |
| " reg 0x%x <-- val 0x%x\n", reg, val); |
| bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); |
| } |
| } |
| /* Force speed */ |
| if (phy->req_line_speed == SPEED_10000) { |
| DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_DIGITAL_CTRL, 0x400); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); |
| } else { |
| /* Force 1Gbps using autoneg with 1G advertisment */ |
| |
| /* Allow CL37 through CL73 */ |
| DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); |
| |
| /* Enable Full-Duplex advertisment on CL37 */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); |
| /* Enable CL37 AN */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); |
| /* 1G support */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); |
| |
| /* Enable clause 73 AN */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, |
| 0x0400); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, |
| 0x0004); |
| } |
| bnx2x_save_bcm_spirom_ver(bp, params->port, phy, params->shmem_base); |
| return 0; |
| } |
| |
| static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); |
| /* Restore normal power mode*/ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); |
| bnx2x_wait_reset_complete(bp, phy); |
| |
| bnx2x_8726_external_rom_boot(phy, params); |
| |
| /* Need to call module detected on initialization since |
| the module detection triggered by actual module |
| insertion might occur before driver is loaded, and when |
| driver is loaded, it reset all registers, including the |
| transmitter */ |
| bnx2x_sfp_module_detection(phy, params); |
| |
| if (phy->req_line_speed == SPEED_1000) { |
| DP(NETIF_MSG_LINK, "Setting 1G force\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, |
| 0x400); |
| } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && |
| (phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && |
| ((phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { |
| DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); |
| /* Set Flow control */ |
| bnx2x_ext_phy_set_pause(params, phy, vars); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); |
| /* Enable RX-ALARM control to receive |
| interrupt for 1G speed change */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, |
| 0x400); |
| |
| } else { /* Default 10G. Set only LASI control */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); |
| } |
| |
| /* Set TX PreEmphasis if needed */ |
| if ((params->feature_config_flags & |
| FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { |
| DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x," |
| "TX_CTRL2 0x%x\n", |
| phy->tx_preemphasis[0], |
| phy->tx_preemphasis[1]); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8726_TX_CTRL1, |
| phy->tx_preemphasis[0]); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8726_TX_CTRL2, |
| phy->tx_preemphasis[1]); |
| } |
| return 0; |
| |
| } |
| |
| static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val = 0, tmp1; |
| u8 gpio_port; |
| DP(NETIF_MSG_LINK, "Init 8073\n"); |
| |
| gpio_port = params->port; |
| /* Restore normal power mode*/ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); |
| |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); |
| |
| /* enable LASI */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2)); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004); |
| |
| bnx2x_8073_set_pause_cl37(params, phy, vars); |
| |
| bnx2x_8073_set_xaui_low_power_mode(bp, phy); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); |
| |
| DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); |
| |
| /* Enable CL37 BAM */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8073_BAM, &val); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8073_BAM, val | 1); |
| |
| if (params->loopback_mode == LOOPBACK_EXT) { |
| bnx2x_807x_force_10G(bp, phy); |
| DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); |
| return 0; |
| } else { |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); |
| } |
| if (phy->req_line_speed != SPEED_AUTO_NEG) { |
| if (phy->req_line_speed == SPEED_10000) { |
| val = (1<<7); |
| } else if (phy->req_line_speed == SPEED_2500) { |
| val = (1<<5); |
| /* Note that 2.5G works only |
| when used with 1G advertisment */ |
| } else |
| val = (1<<5); |
| } else { |
| val = 0; |
| if (phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) |
| val |= (1<<7); |
| |
| /* Note that 2.5G works only when |
| used with 1G advertisment */ |
| if (phy->speed_cap_mask & |
| (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) |
| val |= (1<<5); |
| DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); |
| } |
| |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); |
| bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); |
| |
| if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && |
| (phy->req_line_speed == SPEED_AUTO_NEG)) || |
| (phy->req_line_speed == SPEED_2500)) { |
| u16 phy_ver; |
| /* Allow 2.5G for A1 and above */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, |
| &phy_ver); |
| DP(NETIF_MSG_LINK, "Add 2.5G\n"); |
| if (phy_ver > 0) |
| tmp1 |= 1; |
| else |
| tmp1 &= 0xfffe; |
| } else { |
| DP(NETIF_MSG_LINK, "Disable 2.5G\n"); |
| tmp1 &= 0xfffe; |
| } |
| |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); |
| /* Add support for CL37 (passive mode) II */ |
| |
| bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, |
| (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? |
| 0x20 : 0x40))); |
| |
| /* Add support for CL37 (passive mode) III */ |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); |
| |
| /* The SNR will improve about 2db by changing |
| BW and FEE main tap. Rest commands are executed |
| after link is up*/ |
| if (bnx2x_8073_is_snr_needed(bp, phy)) |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, |
| 0xFB0C); |
| |
| /* Enable FEC (Forware Error Correction) Request in the AN */ |
| bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); |
| tmp1 |= (1<<15); |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); |
| |
| bnx2x_ext_phy_set_pause(params, phy, vars); |
| |
| /* Restart autoneg */ |
| msleep(500); |
| bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); |
| DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", |
| ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); |
| return 0; |
| } |
| |
| static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u16 tmp1, val, mod_abs; |
| u16 rx_alarm_ctrl_val; |
| u16 lasi_ctrl_val; |
| struct bnx2x *bp = params->bp; |
| /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ |
| |
| bnx2x_wait_reset_complete(bp, phy); |
| rx_alarm_ctrl_val = (1<<2) | (1<<5) ; |
| lasi_ctrl_val = 0x0004; |
| |
| DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); |
| /* enable LASI */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, |
| rx_alarm_ctrl_val); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val); |
| |
| /* Initially configure MOD_ABS to interrupt when |
| module is presence( bit 8) */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); |
| /* Set EDC off by setting OPTXLOS signal input to low |
| (bit 9). |
| When the EDC is off it locks onto a reference clock and |
| avoids becoming 'lost'.*/ |
| mod_abs &= ~((1<<8) | (1<<9)); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); |
| |
| |
| /* Make MOD_ABS give interrupt on change */ |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, |
| &val); |
| val |= (1<<12); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); |
| /* Set 8727 GPIOs to input to allow reading from the |
| 8727 GPIO0 status which reflect SFP+ module |
| over-current */ |
| |
| bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, |
| &val); |
| val &= 0xff8f; /* Reset bits 4-6 */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); |
| |
| bnx2x_8727_power_module(bp, phy, 1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); |
| |
| /* Set option 1G speed */ |
| if (phy->req_line_speed == SPEED_1000) { |
| DP(NETIF_MSG_LINK, "Setting 1G force\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); |
| DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); |
| } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && |
| ((phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && |
| ((phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { |
| |
| DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); |
| } else { |
| /** |
| * Since the 8727 has only single reset pin, need to set the 10G |
| * registers although it is default |
| */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, |
| 0x0020); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, |
| 0x0008); |
| } |
| |
| |
| /* Set 2-wire transfer rate of SFP+ module EEPROM |
| * to 100Khz since some DACs(direct attached cables) do |
| * not work at 400Khz. |
| */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, |
| 0xa001); |
| |
| /* Set TX PreEmphasis if needed */ |
| if ((params->feature_config_flags & |
| FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { |
| DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", |
| phy->tx_preemphasis[0], |
| phy->tx_preemphasis[1]); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, |
| phy->tx_preemphasis[0]); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, |
| phy->tx_preemphasis[1]); |
| } |
| |
| return 0; |
| } |
| |
| static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u16 fw_ver1, fw_ver2, val; |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); |
| |
| /* Restore normal power mode*/ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| /* HW reset */ |
| bnx2x_ext_phy_hw_reset(bp, params->port); |
| bnx2x_wait_reset_complete(bp, phy); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1); |
| DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); |
| |
| bnx2x_ext_phy_set_pause(params, phy, vars); |
| /* Restart autoneg */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); |
| val |= 0x200; |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); |
| |
| /* Save spirom version */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); |
| bnx2x_save_spirom_version(bp, params->port, |
| (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); |
| return 0; |
| } |
| |
| static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 autoneg_val, an_1000_val, an_10_100_val; |
| bnx2x_wait_reset_complete(bp, phy); |
| bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, |
| 1 << NIG_LATCH_BC_ENABLE_MI_INT); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); |
| bnx2x_8481_set_led(bp, phy); |
| /* set 1000 speed advertisement */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, |
| &an_1000_val); |
| |
| bnx2x_ext_phy_set_pause(params, phy, vars); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_LEGACY_AN_ADV, |
| &an_10_100_val); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, |
| &autoneg_val); |
| /* Disable forced speed */ |
| autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); |
| an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); |
| |
| if (((phy->req_line_speed == SPEED_AUTO_NEG) && |
| (phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || |
| (phy->req_line_speed == SPEED_1000)) { |
| an_1000_val |= (1<<8); |
| autoneg_val |= (1<<9 | 1<<12); |
| if (phy->req_duplex == DUPLEX_FULL) |
| an_1000_val |= (1<<9); |
| DP(NETIF_MSG_LINK, "Advertising 1G\n"); |
| } else |
| an_1000_val &= ~((1<<8) | (1<<9)); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, |
| an_1000_val); |
| |
| /* set 10 speed advertisement */ |
| if (((phy->req_line_speed == SPEED_AUTO_NEG) && |
| (phy->speed_cap_mask & |
| (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { |
| an_10_100_val |= (1<<7); |
| /* Enable autoneg and restart autoneg for legacy speeds */ |
| autoneg_val |= (1<<9 | 1<<12); |
| |
| if (phy->req_duplex == DUPLEX_FULL) |
| an_10_100_val |= (1<<8); |
| DP(NETIF_MSG_LINK, "Advertising 100M\n"); |
| } |
| /* set 10 speed advertisement */ |
| if (((phy->req_line_speed == SPEED_AUTO_NEG) && |
| (phy->speed_cap_mask & |
| (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { |
| an_10_100_val |= (1<<5); |
| autoneg_val |= (1<<9 | 1<<12); |
| if (phy->req_duplex == DUPLEX_FULL) |
| an_10_100_val |= (1<<6); |
| DP(NETIF_MSG_LINK, "Advertising 10M\n"); |
| } |
| |
| /* Only 10/100 are allowed to work in FORCE mode */ |
| if (phy->req_line_speed == SPEED_100) { |
| autoneg_val |= (1<<13); |
| /* Enabled AUTO-MDIX when autoneg is disabled */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, |
| (1<<15 | 1<<9 | 7<<0)); |
| DP(NETIF_MSG_LINK, "Setting 100M force\n"); |
| } |
| if (phy->req_line_speed == SPEED_10) { |
| /* Enabled AUTO-MDIX when autoneg is disabled */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, |
| (1<<15 | 1<<9 | 7<<0)); |
| DP(NETIF_MSG_LINK, "Setting 10M force\n"); |
| } |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, |
| an_10_100_val); |
| |
| if (phy->req_duplex == DUPLEX_FULL) |
| autoneg_val |= (1<<8); |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); |
| |
| if (((phy->req_line_speed == SPEED_AUTO_NEG) && |
| (phy->speed_cap_mask & |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || |
| (phy->req_line_speed == SPEED_10000)) { |
| DP(NETIF_MSG_LINK, "Advertising 10G\n"); |
| /* Restart autoneg for 10G*/ |
| |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, |
| 0x3200); |
| } else if (phy->req_line_speed != SPEED_10 && |
| phy->req_line_speed != SPEED_100) { |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, |
| 1); |
| } |
| /* Save spirom version */ |
| bnx2x_save_8481_spirom_version(phy, params, params->shmem_base); |
| |
| return 0; |
| } |
| |
| static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 temp; |
| msleep(1); |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, |
| params->port); |
| msleep(200); /* 100 is not enough */ |
| |
| /** |
| * BCM84823 requires that XGXS links up first @ 10G for normal |
| * behavior |
| */ |
| temp = vars->line_speed; |
| vars->line_speed = SPEED_10000; |
| bnx2x_set_autoneg(phy, params, vars, 0); |
| bnx2x_program_serdes(phy, params, vars); |
| vars->line_speed = temp; |
| return bnx2x_848xx_cmn_config_init(phy, params, vars); |
| } |
| |
| static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| /* Restore normal power mode*/ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); |
| |
| /* HW reset */ |
| bnx2x_ext_phy_hw_reset(bp, params->port); |
| |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); |
| return bnx2x_848xx_cmn_config_init(phy, params, vars); |
| } |
| static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 mod_abs, rx_alarm_status; |
| u32 val = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_feature_config[params->port]. |
| config)); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); |
| if (mod_abs & (1<<8)) { |
| |
| /* Module is absent */ |
| DP(NETIF_MSG_LINK, "MOD_ABS indication " |
| "show module is absent\n"); |
| |
| /* 1. Set mod_abs to detect next module |
| presence event |
| 2. Set EDC off by setting OPTXLOS signal input to low |
| (bit 9). |
| When the EDC is off it locks onto a reference clock and |
| avoids becoming 'lost'.*/ |
| mod_abs &= ~((1<<8)|(1<<9)); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); |
| |
| /* Clear RX alarm since it stays up as long as |
| the mod_abs wasn't changed */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); |
| |
| } else { |
| /* Module is present */ |
| DP(NETIF_MSG_LINK, "MOD_ABS indication " |
| "show module is present\n"); |
| /* First thing, disable transmitter, |
| and if the module is ok, the |
| module_detection will enable it*/ |
| |
| /* 1. Set mod_abs to detect next module |
| absent event ( bit 8) |
| 2. Restore the default polarity of the OPRXLOS signal and |
| this signal will then correctly indicate the presence or |
| absence of the Rx signal. (bit 9) */ |
| mod_abs |= ((1<<8)|(1<<9)); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); |
| |
| /* Clear RX alarm since it stays up as long as |
| the mod_abs wasn't changed. This is need to be done |
| before calling the module detection, otherwise it will clear |
| the link update alarm */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); |
| |
| |
| if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == |
| PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) |
| bnx2x_sfp_set_transmitter(bp, phy, params->port, 0); |
| |
| if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) |
| bnx2x_sfp_module_detection(phy, params); |
| else |
| DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); |
| } |
| |
| DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", |
| rx_alarm_status); |
| /* No need to check link status in case of |
| module plugged in/out */ |
| } |
| |
| static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u8 link_up = 0; |
| u16 val1, rx_sd; |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "read status 8705\n"); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, 0xc809, &val1); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, 0xc809, &val1); |
| |
| DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); |
| link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); |
| if (link_up) { |
| vars->line_speed = SPEED_10000; |
| bnx2x_ext_phy_resolve_fc(phy, params, vars); |
| } |
| return link_up; |
| } |
| |
| static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| u8 link_up = 0; |
| u16 val1, val2, rx_sd, pcs_status; |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); |
| /* Clear RX Alarm*/ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); |
| /* clear LASI indication*/ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); |
| DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); |
| |
| DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" |
| " link_status 0x%x\n", rx_sd, pcs_status, val2); |
| /* link is up if both bit 0 of pmd_rx_sd and |
| * bit 0 of pcs_status are set, or if the autoneg bit |
| * 1 is set |
| */ |
| link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); |
| if (link_up) { |
| if (val2 & (1<<1)) |
| vars->line_speed = SPEED_1000; |
| else |
| vars->line_speed = SPEED_10000; |
| bnx2x_ext_phy_resolve_fc(phy, params, vars); |
| } |
| return link_up; |
| } |
| |
| static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| return bnx2x_8706_8726_read_status(phy, params, vars); |
| } |
| |
| static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val1; |
| u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); |
| if (link_up) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, |
| &val1); |
| if (val1 & (1<<15)) { |
| DP(NETIF_MSG_LINK, "Tx is disabled\n"); |
| link_up = 0; |
| vars->line_speed = 0; |
| } |
| } |
| return link_up; |
| } |
| static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| |
| { |
| struct bnx2x *bp = params->bp; |
| u8 link_up = 0; |
| u16 link_status = 0; |
| u16 rx_alarm_status, val1; |
| /* Check the LASI */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, |
| &rx_alarm_status); |
| vars->line_speed = 0; |
| DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); |
| |
| DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); |
| |
| /* Clear MSG-OUT */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); |
| |
| /** |
| * If a module is present and there is need to check |
| * for over current |
| */ |
| if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { |
| /* Check over-current using 8727 GPIO0 input*/ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, |
| &val1); |
| |
| if ((val1 & (1<<8)) == 0) { |
| DP(NETIF_MSG_LINK, "8727 Power fault has been detected" |
| " on port %d\n", params->port); |
| netdev_err(bp->dev, "Error: Power fault on Port %d has" |
| " been detected and the power to " |
| "that SFP+ module has been removed" |
| " to prevent failure of the card." |
| " Please remove the SFP+ module and" |
| " restart the system to clear this" |
| " error.\n", |
| params->port); |
| |
| /* |
| * Disable all RX_ALARMs except for |
| * mod_abs |
| */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5)); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, &val1); |
| /* Wait for module_absent_event */ |
| val1 |= (1<<8); |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_PHY_IDENTIFIER, val1); |
| /* Clear RX alarm */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); |
| return 0; |
| } |
| } /* Over current check */ |
| |
| /* When module absent bit is set, check module */ |
| if (rx_alarm_status & (1<<5)) { |
| bnx2x_8727_handle_mod_abs(phy, params); |
| /* Enable all mod_abs and link detection bits */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, |
| ((1<<5) | (1<<2))); |
| } |
| |
| /* If transmitter is disabled, ignore false link up indication */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); |
| if (val1 & (1<<15)) { |
| DP(NETIF_MSG_LINK, "Tx is disabled\n"); |
| return 0; |
| } |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); |
| |
| /* Bits 0..2 --> speed detected, |
| bits 13..15--> link is down */ |
| if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { |
| link_up = 1; |
| vars->line_speed = SPEED_10000; |
| } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { |
| link_up = 1; |
| vars->line_speed = SPEED_1000; |
| DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", |
| params->port); |
| } else { |
| link_up = 0; |
| DP(NETIF_MSG_LINK, "port %x: External link is down\n", |
| params->port); |
| } |
| if (link_up) |
| bnx2x_ext_phy_resolve_fc(phy, params, vars); |
| return link_up; |
| } |
| |
| static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 link_up = 0; |
| u16 val1, val2; |
| u16 link_status = 0; |
| u16 an1000_status = 0; |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); |
| |
| DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); |
| |
| /* clear the interrupt LASI status register */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); |
| /* Clear MSG-OUT */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); |
| |
| /* Check the LASI */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); |
| |
| DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); |
| |
| /* Check the link status */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); |
| DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); |
| link_up = ((val1 & 4) == 4); |
| DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); |
| |
| if (link_up && |
| ((phy->req_line_speed != SPEED_10000))) { |
| if (bnx2x_8073_xaui_wa(bp, phy) != 0) |
| return 0; |
| } |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); |
| |
| /* Check the link status on 1.1.2 */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," |
| "an_link_status=0x%x\n", val2, val1, an1000_status); |
| |
| link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); |
| if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { |
| /* The SNR will improve about 2dbby |
| changing the BW and FEE main tap.*/ |
| /* The 1st write to change FFE main |
| tap is set before restart AN */ |
| /* Change PLL Bandwidth in EDC |
| register */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, |
| 0x26BC); |
| |
| /* Change CDR Bandwidth in EDC register */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, |
| 0x0333); |
| } |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, |
| &link_status); |
| |
| /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ |
| if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { |
| link_up = 1; |
| vars->line_speed = SPEED_10000; |
| DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", |
| params->port); |
| } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { |
| link_up = 1; |
| vars->line_speed = SPEED_2500; |
| DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", |
| params->port); |
| } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { |
| link_up = 1; |
| vars->line_speed = SPEED_1000; |
| DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", |
| params->port); |
| } else { |
| link_up = 0; |
| DP(NETIF_MSG_LINK, "port %x: External link is down\n", |
| params->port); |
| } |
| |
| return link_up; |
| } |
| |
| static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 link_up; |
| u16 val1, val2; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", |
| val2, val1); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); |
| DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", |
| val2, val1); |
| link_up = ((val1 & 4) == 4); |
| /* if link is up |
| * print the AN outcome of the SFX7101 PHY |
| */ |
| if (link_up) { |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, |
| &val2); |
| vars->line_speed = SPEED_10000; |
| DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", |
| val2, (val2 & (1<<14))); |
| } |
| return link_up; |
| } |
| |
| static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, |
| struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 val, val1, val2; |
| u8 link_up = 0; |
| |
| /* Check 10G-BaseT link status */ |
| /* Check PMD signal ok */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, 0xFFFA, &val1); |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL, |
| &val2); |
| DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); |
| |
| /* Check link 10G */ |
| if (val2 & (1<<11)) { |
| vars->line_speed = SPEED_10000; |
| link_up = 1; |
| } else { /* Check Legacy speed link */ |
| u16 legacy_status, legacy_speed; |
| |
| /* Enable expansion register 0x42 (Operation mode status) */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); |
| |
| /* Get legacy speed operation status */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, |
| &legacy_status); |
| |
| DP(NETIF_MSG_LINK, "Legacy speed status" |
| " = 0x%x\n", legacy_status); |
| link_up = ((legacy_status & (1<<11)) == (1<<11)); |
| if (link_up) { |
| legacy_speed = (legacy_status & (3<<9)); |
| if (legacy_speed == (0<<9)) |
| vars->line_speed = SPEED_10; |
| else if (legacy_speed == (1<<9)) |
| vars->line_speed = SPEED_100; |
| else if (legacy_speed == (2<<9)) |
| vars->line_speed = SPEED_1000; |
| else /* Should not happen */ |
| vars->line_speed = 0; |
| |
| if (legacy_status & (1<<8)) |
| vars->duplex = DUPLEX_FULL; |
| else |
| vars->duplex = DUPLEX_HALF; |
| |
| DP(NETIF_MSG_LINK, "Link is up in %dMbps," |
| " is_duplex_full= %d\n", vars->line_speed, |
| (vars->duplex == DUPLEX_FULL)); |
| |
| /* Check legacy speed AN resolution */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_LEGACY_MII_STATUS, |
| &val); |
| if (val & (1<<5)) |
| vars->link_status |= |
| LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; |
| bnx2x_cl45_read(bp, phy, |
| MDIO_AN_DEVAD, |
| MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, |
| &val); |
| if ((val & (1<<0)) == 0) |
| vars->link_status |= |
| LINK_STATUS_PARALLEL_DETECTION_USED; |
| } |
| } |
| return link_up; |
| } |
| static void bnx2x_link_int_enable(struct link_params *params) |
| { |
| u8 port = params->port; |
| u32 mask; |
| struct bnx2x *bp = params->bp; |
| |
| /* setting the status to report on link up |
| for either XGXS or SerDes */ |
| |
| if (params->switch_cfg == SWITCH_CFG_10G) { |
| mask = (NIG_MASK_XGXS0_LINK10G | |
| NIG_MASK_XGXS0_LINK_STATUS); |
| DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); |
| if (!(SINGLE_MEDIA_DIRECT(params)) && |
| params->phy[INT_PHY].type != |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { |
| mask |= NIG_MASK_MI_INT; |
| DP(NETIF_MSG_LINK, "enabled external phy int\n"); |
| } |
| |
| } else { /* SerDes */ |
| mask = NIG_MASK_SERDES0_LINK_STATUS; |
| DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); |
| if (!(SINGLE_MEDIA_DIRECT(params)) && |
| params->phy[INT_PHY].type != |
| PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { |
| mask |= NIG_MASK_MI_INT; |
| DP(NETIF_MSG_LINK, "enabled external phy int\n"); |
| } |
| } |
| bnx2x_bits_en(bp, |
| NIG_REG_MASK_INTERRUPT_PORT0 + port*4, |
| mask); |
| |
| DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, |
| (params->switch_cfg == SWITCH_CFG_10G), |
| REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); |
| DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", |
| REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), |
| REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), |
| REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); |
| DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", |
| REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), |
| REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); |
| } |
| |
| static void bnx2x_8481_rearm_latch_signal(struct bnx2x *bp, u8 port, |
| u8 is_mi_int) |
| { |
| u32 latch_status = 0, is_mi_int_status; |
| /* Disable the MI INT ( external phy int ) |
| * by writing 1 to the status register. Link down indication |
| * is high-active-signal, so in this case we need to write the |
| * status to clear the XOR |
| */ |
| /* Read Latched signals */ |
| latch_status = REG_RD(bp, |
| NIG_REG_LATCH_STATUS_0 + port*8); |
| is_mi_int_status = REG_RD(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 + port*4); |
| DP(NETIF_MSG_LINK, "original_signal = 0x%x, nig_status = 0x%x," |
| "latch_status = 0x%x\n", |
| is_mi_int, is_mi_int_status, latch_status); |
| /* Handle only those with latched-signal=up.*/ |
| if (latch_status & 1) { |
| /* For all latched-signal=up,Write original_signal to status */ |
| if (is_mi_int) |
| bnx2x_bits_en(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 |
| + port*4, |
| NIG_STATUS_EMAC0_MI_INT); |
| else |
| bnx2x_bits_dis(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 |
| + port*4, |
| NIG_STATUS_EMAC0_MI_INT); |
| /* For all latched-signal=up : Re-Arm Latch signals */ |
| REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, |
| (latch_status & 0xfffe) | (latch_status & 1)); |
| } |
| } |
| |
| /* |
| * link management |
| */ |
| static void bnx2x_link_int_ack(struct link_params *params, |
| struct link_vars *vars, u8 is_10g, |
| u8 is_mi_int) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| |
| /* first reset all status |
| * we assume only one line will be change at a time */ |
| bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
| (NIG_STATUS_XGXS0_LINK10G | |
| NIG_STATUS_XGXS0_LINK_STATUS | |
| NIG_STATUS_SERDES0_LINK_STATUS)); |
| if ((params->phy[EXT_PHY1].type |
| == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) || |
| (params->phy[EXT_PHY1].type |
| == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823)) { |
| bnx2x_8481_rearm_latch_signal(bp, port, is_mi_int); |
| } |
| if (vars->phy_link_up) { |
| if (is_10g) { |
| /* Disable the 10G link interrupt |
| * by writing 1 to the status register |
| */ |
| DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); |
| bnx2x_bits_en(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
| NIG_STATUS_XGXS0_LINK10G); |
| |
| } else if (params->switch_cfg == SWITCH_CFG_10G) { |
| /* Disable the link interrupt |
| * by writing 1 to the relevant lane |
| * in the status register |
| */ |
| u32 ser_lane = ((params->lane_config & |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> |
| PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); |
| |
| DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n", |
| vars->line_speed); |
| bnx2x_bits_en(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
| ((1 << ser_lane) << |
| NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); |
| |
| } else { /* SerDes */ |
| DP(NETIF_MSG_LINK, "SerDes phy link up\n"); |
| /* Disable the link interrupt |
| * by writing 1 to the status register |
| */ |
| bnx2x_bits_en(bp, |
| NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
| NIG_STATUS_SERDES0_LINK_STATUS); |
| } |
| |
| } |
| } |
| |
| static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) |
| { |
| if (*len < 5) |
| return -EINVAL; |
| str[0] = (spirom_ver & 0xFF); |
| str[1] = (spirom_ver & 0xFF00) >> 8; |
| str[2] = (spirom_ver & 0xFF0000) >> 16; |
| str[3] = (spirom_ver & 0xFF000000) >> 24; |
| str[4] = '\0'; |
| *len -= 5; |
| return 0; |
| } |
| |
| static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len) |
| { |
| u8 *str_ptr = str; |
| u32 mask = 0xf0000000; |
| u8 shift = 8*4; |
| u8 digit; |
| if (*len < 10) { |
| /* Need more than 10chars for this format */ |
| *str_ptr = '\0'; |
| return -EINVAL; |
| } |
| while (shift > 0) { |
| |
| shift -= 4; |
| digit = ((num & mask) >> shift); |
| if (digit < 0xa) |
| *str_ptr = digit + '0'; |
| else |
| *str_ptr = digit - 0xa + 'a'; |
| str_ptr++; |
| mask = mask >> 4; |
| if (shift == 4*4) { |
| *str_ptr = ':'; |
| str_ptr++; |
| } |
| } |
| *str_ptr = '\0'; |
| return 0; |
| } |
| |
| static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) |
| { |
| u8 status = 0; |
| u32 spirom_ver; |
| spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); |
| status = bnx2x_format_ver(spirom_ver, str, len); |
| return status; |
| } |
| |
| static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) |
| { |
| str[0] = '\0'; |
| (*len)--; |
| return 0; |
| } |
| |
| u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, |
| u8 *version, u16 len) |
| { |
| struct bnx2x *bp; |
| u32 spirom_ver = 0; |
| u8 status = 0; |
| u8 *ver_p = version; |
| if (version == NULL || params == NULL) |
| return -EINVAL; |
| bp = params->bp; |
| |
| /* Extract first external phy*/ |
| version[0] = '\0'; |
| spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); |
| |
| if (params->phy[EXT_PHY1].format_fw_ver) |
| status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, |
| ver_p, |
| &len); |
| return status; |
| } |
| |
| static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| u8 port = params->port; |
| struct bnx2x *bp = params->bp; |
| |
| if (phy->req_line_speed != SPEED_1000) { |
| u32 md_devad; |
| |
| DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); |
| |
| /* change the uni_phy_addr in the nig */ |
| md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + |
| port*0x18)); |
| |
| REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); |
| |
| bnx2x_cl45_write(bp, phy, |
| 5, |
| (MDIO_REG_BANK_AER_BLOCK + |
| (MDIO_AER_BLOCK_AER_REG & 0xf)), |
| 0x2800); |
| |
| bnx2x_cl45_write(bp, phy, |
| 5, |
| (MDIO_REG_BANK_CL73_IEEEB0 + |
| (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), |
| 0x6041); |
| msleep(200); |
| /* set aer mmd back */ |
| bnx2x_set_aer_mmd(params, phy); |
| |
| /* and md_devad */ |
| REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, |
| md_devad); |
| |
| } else { |
| u16 mii_ctrl; |
| DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); |
| bnx2x_cl45_read(bp, phy, 5, |
| (MDIO_REG_BANK_COMBO_IEEE0 + |
| (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), |
| &mii_ctrl); |
| bnx2x_cl45_write(bp, phy, 5, |
| (MDIO_REG_BANK_COMBO_IEEE0 + |
| (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), |
| mii_ctrl | |
| MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); |
| } |
| } |
| |
| static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); |
| bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); |
| } |
| |
| static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| /* SFX7101_XGXS_TEST1 */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); |
| } |
| /* |
| *------------------------------------------------------------------------ |
| * bnx2x_override_led_value - |
| * |
| * Override the led value of the requested led |
| * |
| *------------------------------------------------------------------------ |
| */ |
| u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, |
| u32 led_idx, u32 value) |
| { |
| u32 reg_val; |
| |
| /* If port 0 then use EMAC0, else use EMAC1*/ |
| u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| |
| DP(NETIF_MSG_LINK, |
| "bnx2x_override_led_value() port %x led_idx %d value %d\n", |
| port, led_idx, value); |
| |
| switch (led_idx) { |
| case 0: /* 10MB led */ |
| /* Read the current value of the LED register in |
| the EMAC block */ |
| reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED); |
| /* Set the OVERRIDE bit to 1 */ |
| reg_val |= EMAC_LED_OVERRIDE; |
| /* If value is 1, set the 10M_OVERRIDE bit, |
| otherwise reset it.*/ |
| reg_val = (value == 1) ? (reg_val | EMAC_LED_10MB_OVERRIDE) : |
| (reg_val & ~EMAC_LED_10MB_OVERRIDE); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val); |
| break; |
| case 1: /*100MB led */ |
| /*Read the current value of the LED register in |
| the EMAC block */ |
| reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED); |
| /* Set the OVERRIDE bit to 1 */ |
| reg_val |= EMAC_LED_OVERRIDE; |
| /* If value is 1, set the 100M_OVERRIDE bit, |
| otherwise reset it.*/ |
| reg_val = (value == 1) ? (reg_val | EMAC_LED_100MB_OVERRIDE) : |
| (reg_val & ~EMAC_LED_100MB_OVERRIDE); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val); |
| break; |
| case 2: /* 1000MB led */ |
| /* Read the current value of the LED register in the |
| EMAC block */ |
| reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED); |
| /* Set the OVERRIDE bit to 1 */ |
| reg_val |= EMAC_LED_OVERRIDE; |
| /* If value is 1, set the 1000M_OVERRIDE bit, otherwise |
| reset it. */ |
| reg_val = (value == 1) ? (reg_val | EMAC_LED_1000MB_OVERRIDE) : |
| (reg_val & ~EMAC_LED_1000MB_OVERRIDE); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val); |
| break; |
| case 3: /* 2500MB led */ |
| /* Read the current value of the LED register in the |
| EMAC block*/ |
| reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED); |
| /* Set the OVERRIDE bit to 1 */ |
| reg_val |= EMAC_LED_OVERRIDE; |
| /* If value is 1, set the 2500M_OVERRIDE bit, otherwise |
| reset it.*/ |
| reg_val = (value == 1) ? (reg_val | EMAC_LED_2500MB_OVERRIDE) : |
| (reg_val & ~EMAC_LED_2500MB_OVERRIDE); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val); |
| break; |
| case 4: /*10G led */ |
| if (port == 0) { |
| REG_WR(bp, NIG_REG_LED_10G_P0, |
| value); |
| } else { |
| REG_WR(bp, NIG_REG_LED_10G_P1, |
| value); |
| } |
| break; |
| case 5: /* TRAFFIC led */ |
| /* Find if the traffic control is via BMAC or EMAC */ |
| if (port == 0) |
| reg_val = REG_RD(bp, NIG_REG_NIG_EMAC0_EN); |
| else |
| reg_val = REG_RD(bp, NIG_REG_NIG_EMAC1_EN); |
| |
| /* Override the traffic led in the EMAC:*/ |
| if (reg_val == 1) { |
| /* Read the current value of the LED register in |
| the EMAC block */ |
| reg_val = REG_RD(bp, emac_base + |
| EMAC_REG_EMAC_LED); |
| /* Set the TRAFFIC_OVERRIDE bit to 1 */ |
| reg_val |= EMAC_LED_OVERRIDE; |
| /* If value is 1, set the TRAFFIC bit, otherwise |
| reset it.*/ |
| reg_val = (value == 1) ? (reg_val | EMAC_LED_TRAFFIC) : |
| (reg_val & ~EMAC_LED_TRAFFIC); |
| REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val); |
| } else { /* Override the traffic led in the BMAC: */ |
| REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 |
| + port*4, 1); |
| REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, |
| value); |
| } |
| break; |
| default: |
| DP(NETIF_MSG_LINK, |
| "bnx2x_override_led_value() unknown led index %d " |
| "(should be 0-5)\n", led_idx); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| |
| u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed) |
| { |
| u8 port = params->port; |
| u16 hw_led_mode = params->hw_led_mode; |
| u8 rc = 0; |
| u32 tmp; |
| u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); |
| DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", |
| speed, hw_led_mode); |
| switch (mode) { |
| case LED_MODE_OFF: |
| REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); |
| REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, |
| SHARED_HW_CFG_LED_MAC1); |
| |
| tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); |
| EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE)); |
| break; |
| |
| case LED_MODE_OPER: |
| if (SINGLE_MEDIA_DIRECT(params)) { |
| REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); |
| REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); |
| } else { |
| REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, |
| hw_led_mode); |
| } |
| |
| REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + |
| port*4, 0); |
| /* Set blinking rate to ~15.9Hz */ |
| REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, |
| LED_BLINK_RATE_VAL); |
| REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + |
| port*4, 1); |
| tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); |
| EMAC_WR(bp, EMAC_REG_EMAC_LED, |
| (tmp & (~EMAC_LED_OVERRIDE))); |
| |
| if (CHIP_IS_E1(bp) && |
| ((speed == SPEED_2500) || |
| (speed == SPEED_1000) || |
| (speed == SPEED_100) || |
| (speed == SPEED_10))) { |
| /* On Everest 1 Ax chip versions for speeds less than |
| 10G LED scheme is different */ |
| REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 |
| + port*4, 1); |
| REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + |
| port*4, 0); |
| REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + |
| port*4, 1); |
| } |
| break; |
| |
| default: |
| rc = -EINVAL; |
| DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", |
| mode); |
| break; |
| } |
| return rc; |
| |
| } |
| |
| u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u16 gp_status = 0; |
| |
| CL45_RD_OVER_CL22(bp, ¶ms->phy[INT_PHY], |
| MDIO_REG_BANK_GP_STATUS, |
| MDIO_GP_STATUS_TOP_AN_STATUS1, |
| &gp_status); |
| /* link is up only if both local phy and external phy are up */ |
| if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { |
| u8 ext_phy_link_up = 1; |
| struct link_vars temp_vars; |
| if (params->phy[EXT_PHY1].read_status) |
| ext_phy_link_up &= |
| params->phy[EXT_PHY1].read_status( |
| ¶ms->phy[EXT_PHY1], |
| params, &temp_vars); |
| if (ext_phy_link_up) |
| return 0; |
| } |
| |
| return -ESRCH; |
| } |
| |
| static u8 bnx2x_link_initialize(struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u8 rc = 0; |
| u8 phy_index, non_ext_phy; |
| struct bnx2x_phy *ext_phy = ¶ms->phy[EXT_PHY1]; |
| struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY]; |
| /* Activate the external PHY */ |
| |
| bnx2x_set_aer_mmd(params, int_phy); |
| |
| if (vars->phy_flags & PHY_XGXS_FLAG) |
| bnx2x_set_master_ln(params, int_phy); |
| |
| rc = bnx2x_reset_unicore(params, int_phy, |
| int_phy->type == |
| PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT); |
| /* reset the SerDes and wait for reset bit return low */ |
| if (rc != 0) |
| return rc; |
| |
| bnx2x_set_aer_mmd(params, int_phy); |
| |
| /* setting the masterLn_def again after the reset */ |
| if (vars->phy_flags & PHY_XGXS_FLAG) { |
| bnx2x_set_master_ln(params, int_phy); |
| bnx2x_set_swap_lanes(params, int_phy); |
| } |
| |
| if (vars->phy_flags & PHY_XGXS_FLAG) { |
| if ((params->req_line_speed && |
| ((params->req_line_speed == SPEED_100) || |
| (params->req_line_speed == SPEED_10))) || |
| (!params->req_line_speed && |
| (params->speed_cap_mask >= |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && |
| (params->speed_cap_mask < |
| PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) |
| )) { |
| vars->phy_flags |= PHY_SGMII_FLAG; |
| } else { |
| vars->phy_flags &= ~PHY_SGMII_FLAG; |
| } |
| } |
| /* In case of external phy existance, the line speed would be the |
| line speed linked up by the external phy. In case it is direct only, |
| then the line_speed during initialization will be equal to the |
| req_line_speed*/ |
| vars->line_speed = params->req_line_speed; |
| |
| bnx2x_calc_ieee_aneg_adv(int_phy, params, &vars->ieee_fc); |
| |
| /* init ext phy and enable link state int */ |
| non_ext_phy = ((ext_phy->type == |
| PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) || |
| (params->loopback_mode == LOOPBACK_XGXS_10)); |
| |
| if (non_ext_phy || |
| (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || |
| (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) || |
| (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) || |
| (params->loopback_mode == LOOPBACK_EXT_PHY)) { |
| if (vars->line_speed == SPEED_AUTO_NEG) |
| bnx2x_set_parallel_detection(int_phy, params); |
| bnx2x_init_internal_phy(int_phy, params, vars); |
| } |
| |
| if (!non_ext_phy) |
| for (phy_index = EXT_PHY1; phy_index < params->num_phys; |
| phy_index++) { |
| params->phy[phy_index].config_init( |
| ¶ms->phy[phy_index], |
| params, vars); |
| } |
| |
| bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, |
| (NIG_STATUS_XGXS0_LINK10G | |
| NIG_STATUS_XGXS0_LINK_STATUS | |
| NIG_STATUS_SERDES0_LINK_STATUS)); |
| |
| return rc; |
| } |
| |
| static void set_phy_vars(struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 actual_phy_idx, phy_index; |
| |
| for (phy_index = INT_PHY; phy_index < params->num_phys; |
| phy_index++) { |
| |
| actual_phy_idx = phy_index; |
| params->phy[actual_phy_idx].req_flow_ctrl = |
| params->req_flow_ctrl; |
| |
| params->phy[actual_phy_idx].req_line_speed = |
| params->req_line_speed; |
| |
| params->phy[actual_phy_idx].speed_cap_mask = |
| params->speed_cap_mask; |
| |
| params->phy[actual_phy_idx].req_duplex = |
| params->req_duplex; |
| |
| DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," |
| " speed_cap_mask %x\n", |
| params->phy[actual_phy_idx].req_flow_ctrl, |
| params->phy[actual_phy_idx].req_line_speed, |
| params->phy[actual_phy_idx].speed_cap_mask); |
| } |
| } |
| |
| u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u32 val; |
| |
| DP(NETIF_MSG_LINK, "Phy Initialization started\n"); |
| DP(NETIF_MSG_LINK, "req_speed %d, req_flowctrl %d\n", |
| params->req_line_speed, params->req_flow_ctrl); |
| vars->link_status = 0; |
| vars->phy_link_up = 0; |
| vars->link_up = 0; |
| vars->line_speed = 0; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->mac_type = MAC_TYPE_NONE; |
| vars->phy_flags = 0; |
| |
| /* disable attentions */ |
| bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, |
| (NIG_MASK_XGXS0_LINK_STATUS | |
| NIG_MASK_XGXS0_LINK10G | |
| NIG_MASK_SERDES0_LINK_STATUS | |
| NIG_MASK_MI_INT)); |
| |
| bnx2x_emac_init(params, vars); |
| |
| if (params->num_phys == 0) { |
| DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); |
| return -EINVAL; |
| } |
| set_phy_vars(params); |
| |
| DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); |
| if (CHIP_REV_IS_FPGA(bp)) { |
| |
| vars->link_up = 1; |
| vars->line_speed = SPEED_10000; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD); |
| /* enable on E1.5 FPGA */ |
| if (CHIP_IS_E1H(bp)) { |
| vars->flow_ctrl |= |
| (BNX2X_FLOW_CTRL_TX | |
| BNX2X_FLOW_CTRL_RX); |
| vars->link_status |= |
| (LINK_STATUS_TX_FLOW_CONTROL_ENABLED | |
| LINK_STATUS_RX_FLOW_CONTROL_ENABLED); |
| } |
| |
| bnx2x_emac_enable(params, vars, 0); |
| bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed); |
| /* disable drain */ |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); |
| |
| /* update shared memory */ |
| bnx2x_update_mng(params, vars->link_status); |
| |
| return 0; |
| |
| } else |
| if (CHIP_REV_IS_EMUL(bp)) { |
| |
| vars->link_up = 1; |
| vars->line_speed = SPEED_10000; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD); |
| |
| bnx2x_bmac_enable(params, vars, 0); |
| |
| bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed); |
| /* Disable drain */ |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE |
| + params->port*4, 0); |
| |
| /* update shared memory */ |
| bnx2x_update_mng(params, vars->link_status); |
| |
| return 0; |
| |
| } else |
| if (params->loopback_mode == LOOPBACK_BMAC) { |
| |
| vars->link_up = 1; |
| vars->line_speed = SPEED_10000; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->mac_type = MAC_TYPE_BMAC; |
| |
| vars->phy_flags = PHY_XGXS_FLAG; |
| |
| bnx2x_phy_deassert(params, vars->phy_flags); |
| |
| /* set bmac loopback */ |
| bnx2x_bmac_enable(params, vars, 1); |
| |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + |
| params->port*4, 0); |
| |
| } else if (params->loopback_mode == LOOPBACK_EMAC) { |
| |
| vars->link_up = 1; |
| vars->line_speed = SPEED_1000; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| vars->mac_type = MAC_TYPE_EMAC; |
| |
| vars->phy_flags = PHY_XGXS_FLAG; |
| |
| bnx2x_phy_deassert(params, vars->phy_flags); |
| /* set bmac loopback */ |
| bnx2x_emac_enable(params, vars, 1); |
| bnx2x_emac_program(params, vars); |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + |
| params->port*4, 0); |
| |
| } else if ((params->loopback_mode == LOOPBACK_XGXS_10) || |
| (params->loopback_mode == LOOPBACK_EXT_PHY)) { |
| |
| vars->link_up = 1; |
| vars->line_speed = SPEED_10000; |
| vars->duplex = DUPLEX_FULL; |
| vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| |
| vars->phy_flags = PHY_XGXS_FLAG; |
| |
| val = REG_RD(bp, |
| NIG_REG_XGXS0_CTRL_PHY_ADDR+ |
| params->port*0x18); |
| |
| bnx2x_phy_deassert(params, vars->phy_flags); |
| bnx2x_link_initialize(params, vars); |
| |
| vars->mac_type = MAC_TYPE_BMAC; |
| |
| bnx2x_bmac_enable(params, vars, 0); |
| |
| if (params->loopback_mode == LOOPBACK_XGXS_10) { |
| /* set 10G XGXS loopback */ |
| params->phy[INT_PHY].config_loopback( |
| ¶ms->phy[INT_PHY], |
| params); |
| |
| } else { |
| /* set external phy loopback */ |
| u8 phy_index; |
| for (phy_index = EXT_PHY1; |
| phy_index < params->num_phys; phy_index++) { |
| if (params->phy[phy_index].config_loopback) |
| params->phy[phy_index].config_loopback( |
| ¶ms->phy[phy_index], |
| params); |
| } |
| } |
| |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + |
| params->port*4, 0); |
| |
| bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed); |
| } else |
| /* No loopback */ |
| { |
| if (params->switch_cfg == SWITCH_CFG_10G) |
| vars->phy_flags = PHY_XGXS_FLAG; |
| bnx2x_phy_deassert(params, vars->phy_flags); |
| bnx2x_link_initialize(params, vars); |
| msleep(30); |
| bnx2x_link_int_enable(params); |
| } |
| return 0; |
| } |
| |
| |
| static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); |
| /* Set serial boot control for external load */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_GEN_CTRL, 0x0001); |
| } |
| |
| static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| /* Disable Transmitter */ |
| bnx2x_sfp_set_transmitter(bp, phy, params->port, 0); |
| } |
| static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 gpio_port; |
| gpio_port = params->port; |
| DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", |
| gpio_port); |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, |
| gpio_port); |
| } |
| static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| bnx2x_cl45_write(params->bp, phy, |
| MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); |
| bnx2x_cl45_write(params->bp, phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); |
| } |
| |
| static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, |
| port); |
| } |
| |
| static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 gpio_port; |
| /* HW reset */ |
| gpio_port = params->port; |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, |
| gpio_port); |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, |
| gpio_port); |
| DP(NETIF_MSG_LINK, "reset external PHY\n"); |
| } |
| |
| static void bnx2x_int_link_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| /* reset the SerDes/XGXS */ |
| REG_WR(params->bp, GRCBASE_MISC + |
| MISC_REGISTERS_RESET_REG_3_CLEAR, |
| (0x1ff << (params->port*16))); |
| } |
| |
| u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, |
| u8 reset_ext_phy) |
| { |
| struct bnx2x *bp = params->bp; |
| |
| u8 phy_index, port = params->port; |
| |
| DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); |
| /* disable attentions */ |
| vars->link_status = 0; |
| bnx2x_update_mng(params, vars->link_status); |
| bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, |
| (NIG_MASK_XGXS0_LINK_STATUS | |
| NIG_MASK_XGXS0_LINK10G | |
| NIG_MASK_SERDES0_LINK_STATUS | |
| NIG_MASK_MI_INT)); |
| |
| /* activate nig drain */ |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); |
| |
| /* disable nig egress interface */ |
| REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); |
| |
| /* Stop BigMac rx */ |
| bnx2x_bmac_rx_disable(bp, port); |
| |
| /* disable emac */ |
| REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); |
| |
| msleep(10); |
| /* The PHY reset is controled by GPIO 1 |
| * Hold it as vars low |
| */ |
| /* clear link led */ |
| bnx2x_set_led(params, LED_MODE_OFF, 0); |
| if (reset_ext_phy) { |
| for (phy_index = EXT_PHY1; phy_index < params->num_phys; |
| phy_index++) { |
| if (params->phy[phy_index].link_reset) |
| params->phy[phy_index].link_reset( |
| ¶ms->phy[phy_index], |
| params); |
| } |
| } |
| |
| if (params->phy[INT_PHY].link_reset) |
| params->phy[INT_PHY].link_reset( |
| ¶ms->phy[INT_PHY], params); |
| /* reset BigMac */ |
| REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); |
| |
| /* disable nig ingress interface */ |
| REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); |
| REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); |
| REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); |
| REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); |
| vars->link_up = 0; |
| return 0; |
| } |
| |
| |
| static u8 bnx2x_update_link_down(struct link_params *params, |
| struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| |
| DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); |
| bnx2x_set_led(params, LED_MODE_OFF, 0); |
| |
| /* indicate no mac active */ |
| vars->mac_type = MAC_TYPE_NONE; |
| |
| /* update shared memory */ |
| vars->link_status = 0; |
| vars->line_speed = 0; |
| bnx2x_update_mng(params, vars->link_status); |
| |
| /* activate nig drain */ |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); |
| |
| /* disable emac */ |
| REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); |
| |
| msleep(10); |
| |
| /* reset BigMac */ |
| bnx2x_bmac_rx_disable(bp, params->port); |
| REG_WR(bp, GRCBASE_MISC + |
| MISC_REGISTERS_RESET_REG_2_CLEAR, |
| (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); |
| return 0; |
| } |
| |
| static u8 bnx2x_update_link_up(struct link_params *params, |
| struct link_vars *vars, |
| u8 link_10g) |
| { |
| struct bnx2x *bp = params->bp; |
| u8 port = params->port; |
| u8 rc = 0; |
| |
| vars->link_status |= LINK_STATUS_LINK_UP; |
| if (link_10g) { |
| bnx2x_bmac_enable(params, vars, 0); |
| bnx2x_set_led(params, LED_MODE_OPER, SPEED_10000); |
| } else { |
| rc = bnx2x_emac_program(params, vars); |
| |
| bnx2x_emac_enable(params, vars, 0); |
| |
| /* AN complete? */ |
| if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) |
| && (!(vars->phy_flags & PHY_SGMII_FLAG)) && |
| SINGLE_MEDIA_DIRECT(params)) |
| bnx2x_set_gmii_tx_driver(params); |
| } |
| |
| /* PBF - link up */ |
| rc |= bnx2x_pbf_update(params, vars->flow_ctrl, |
| vars->line_speed); |
| |
| /* disable drain */ |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); |
| |
| /* update shared memory */ |
| bnx2x_update_mng(params, vars->link_status); |
| msleep(20); |
| return rc; |
| } |
| /** |
| * The bnx2x_link_update function should be called upon link |
| * interrupt. |
| * Link is considered up as follows: |
| * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs |
| * to be up |
| * - SINGLE_MEDIA - The link between the 577xx and the external |
| * phy (XGXS) need to up as well as the external link of the |
| * phy (PHY_EXT1) |
| * - DUAL_MEDIA - The link between the 577xx and the first |
| * external phy needs to be up, and at least one of the 2 |
| * external phy link must be up. |
| */ |
| u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) |
| { |
| struct bnx2x *bp = params->bp; |
| struct link_vars phy_vars[MAX_PHYS]; |
| u8 port = params->port; |
| u8 link_10g, phy_index; |
| u8 ext_phy_link_up = 0, cur_link_up, rc = 0; |
| u8 is_mi_int = 0; |
| u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; |
| u8 active_external_phy = INT_PHY; |
| vars->link_status = 0; |
| for (phy_index = INT_PHY; phy_index < params->num_phys; |
| phy_index++) { |
| phy_vars[phy_index].flow_ctrl = 0; |
| phy_vars[phy_index].link_status = 0; |
| phy_vars[phy_index].line_speed = 0; |
| phy_vars[phy_index].duplex = DUPLEX_FULL; |
| phy_vars[phy_index].phy_link_up = 0; |
| phy_vars[phy_index].link_up = 0; |
| } |
| |
| DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", |
| port, (vars->phy_flags & PHY_XGXS_FLAG), |
| REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); |
| |
| is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + |
| port*0x18) > 0); |
| DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", |
| REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), |
| is_mi_int, |
| REG_RD(bp, |
| NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); |
| |
| DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", |
| REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), |
| REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); |
| |
| /* disable emac */ |
| REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); |
| |
| /** |
| * Step 1: |
| * Check external link change only for external phys, and apply |
| * priority selection between them in case the link on both phys |
| * is up. Note that the instead of the common vars, a temporary |
| * vars argument is used since each phy may have different link/ |
| * speed/duplex result |
| */ |
| for (phy_index = EXT_PHY1; phy_index < params->num_phys; |
| phy_index++) { |
| struct bnx2x_phy *phy = ¶ms->phy[phy_index]; |
| if (!phy->read_status) |
| continue; |
| /* Read link status and params of this ext phy */ |
| cur_link_up = phy->read_status(phy, params, |
| &phy_vars[phy_index]); |
| if (cur_link_up) { |
| DP(NETIF_MSG_LINK, "phy in index %d link is up\n", |
| phy_index); |
| } else { |
| DP(NETIF_MSG_LINK, "phy in index %d link is down\n", |
| phy_index); |
| continue; |
| } |
| |
| if (!ext_phy_link_up) { |
| ext_phy_link_up = 1; |
| active_external_phy = phy_index; |
| } |
| } |
| prev_line_speed = vars->line_speed; |
| /** |
| * Step 2: |
| * Read the status of the internal phy. In case of |
| * DIRECT_SINGLE_MEDIA board, this link is the external link, |
| * otherwise this is the link between the 577xx and the first |
| * external phy |
| */ |
| if (params->phy[INT_PHY].read_status) |
| params->phy[INT_PHY].read_status( |
| ¶ms->phy[INT_PHY], |
| params, vars); |
| /** |
| * The INT_PHY flow control reside in the vars. This include the |
| * case where the speed or flow control are not set to AUTO. |
| * Otherwise, the active external phy flow control result is set |
| * to the vars. The ext_phy_line_speed is needed to check if the |
| * speed is different between the internal phy and external phy. |
| * This case may be result of intermediate link speed change. |
| */ |
| if (active_external_phy > INT_PHY) { |
| vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; |
| /** |
| * Link speed is taken from the XGXS. AN and FC result from |
| * the external phy. |
| */ |
| vars->link_status |= phy_vars[active_external_phy].link_status; |
| ext_phy_line_speed = phy_vars[active_external_phy].line_speed; |
| vars->duplex = phy_vars[active_external_phy].duplex; |
| if (params->phy[active_external_phy].supported & |
| SUPPORTED_FIBRE) |
| vars->link_status |= LINK_STATUS_SERDES_LINK; |
| DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", |
| active_external_phy); |
| } |
| DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," |
| " ext_phy_line_speed = %d\n", vars->flow_ctrl, |
| vars->link_status, ext_phy_line_speed); |
| /** |
| * Upon link speed change set the NIG into drain mode. Comes to |
| * deals with possible FIFO glitch due to clk change when speed |
| * is decreased without link down indicator |
| */ |
| |
| if (vars->phy_link_up) { |
| if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && |
| (ext_phy_line_speed != vars->line_speed)) { |
| DP(NETIF_MSG_LINK, "Internal link speed %d is" |
| " different than the external" |
| " link speed %d\n", vars->line_speed, |
| ext_phy_line_speed); |
| vars->phy_link_up = 0; |
| } else if (prev_line_speed != vars->line_speed) { |
| REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE |
| + params->port*4, 0); |
| msleep(1); |
| } |
| } |
| |
| /* anything 10 and over uses the bmac */ |
| link_10g = ((vars->line_speed == SPEED_10000) || |
| (vars->line_speed == SPEED_12000) || |
| (vars->line_speed == SPEED_12500) || |
| (vars->line_speed == SPEED_13000) || |
| (vars->line_speed == SPEED_15000) || |
| (vars->line_speed == SPEED_16000)); |
| |
| bnx2x_link_int_ack(params, vars, link_10g, is_mi_int); |
| |
| /** |
| * In case external phy link is up, and internal link is down |
| * (not initialized yet probably after link initialization, it |
| * needs to be initialized. |
| * Note that after link down-up as result of cable plug, the xgxs |
| * link would probably become up again without the need |
| * initialize it |
| */ |
| if (!(SINGLE_MEDIA_DIRECT(params))) { |
| DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," |
| " init_preceding = %d\n", ext_phy_link_up, |
| vars->phy_link_up, |
| params->phy[EXT_PHY1].flags & |
| FLAGS_INIT_XGXS_FIRST); |
| if (!(params->phy[EXT_PHY1].flags & |
| FLAGS_INIT_XGXS_FIRST) |
| && ext_phy_link_up && !vars->phy_link_up) { |
| vars->line_speed = ext_phy_line_speed; |
| if (vars->line_speed < SPEED_1000) |
| vars->phy_flags |= PHY_SGMII_FLAG; |
| else |
| vars->phy_flags &= ~PHY_SGMII_FLAG; |
| bnx2x_init_internal_phy(¶ms->phy[INT_PHY], |
| params, |
| vars); |
| } |
| } |
| /** |
| * Link is up only if both local phy and external phy (in case of |
| * non-direct board) are up |
| */ |
| vars->link_up = (vars->phy_link_up && |
| (ext_phy_link_up || |
| SINGLE_MEDIA_DIRECT(params))); |
| |
| if (vars->link_up) |
| rc = bnx2x_update_link_up(params, vars, link_10g); |
| else |
| rc = bnx2x_update_link_down(params, vars); |
| |
| return rc; |
| } |
| |
| static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, |
| struct link_params *params) |
| { |
| bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); |
| bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); |
| } |
| |
| static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, |
| struct link_params *params) { |
| u32 swap_val, swap_override; |
| u8 port; |
| /** |
| * The PHY reset is controlled by GPIO 1. Fake the port number |
| * to cancel the swap done in set_gpio() |
| */ |
| struct bnx2x *bp = params->bp; |
| swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); |
| swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); |
| port = (swap_val && swap_override) ^ 1; |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, port); |
| } |
| |
| static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, |
| struct link_params *params) { |
| /* Low power mode is controlled by GPIO 2 */ |
| bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); |
| /* The PHY reset is controlled by GPIO 1 */ |
| bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); |
| } |
| /******************************************************************/ |
| /* STATIC PHY DECLARATION */ |
| /******************************************************************/ |
| |
| static struct bnx2x_phy phy_null = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, |
| .addr = 0, |
| .flags = FLAGS_INIT_XGXS_FIRST, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = 0, |
| .media_type = ETH_PHY_NOT_PRESENT, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)NULL, |
| .read_status = (read_status_t)NULL, |
| .link_reset = (link_reset_t)NULL, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)NULL, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_serdes = { |
| .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, |
| .addr = 0xff, |
| .flags = 0, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_UNSPECIFIED, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_init_serdes, |
| .read_status = (read_status_t)bnx2x_link_settings_status, |
| .link_reset = (link_reset_t)bnx2x_int_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)NULL, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_xgxs = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, |
| .addr = 0xff, |
| .flags = 0, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_UNSPECIFIED, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_init_xgxs, |
| .read_status = (read_status_t)bnx2x_link_settings_status, |
| .link_reset = (link_reset_t)bnx2x_int_link_reset, |
| .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, |
| .format_fw_ver = (format_fw_ver_t)NULL, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_7101 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, |
| .addr = 0xff, |
| .flags = FLAGS_FAN_FAILURE_DET_REQ, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_BASE_T, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_7101_config_init, |
| .read_status = (read_status_t)bnx2x_7101_read_status, |
| .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, |
| .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, |
| .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| static struct bnx2x_phy phy_8073 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, |
| .addr = 0xff, |
| .flags = FLAGS_HW_LOCK_REQUIRED, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_2500baseX_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_UNSPECIFIED, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8073_config_init, |
| .read_status = (read_status_t)bnx2x_8073_read_status, |
| .link_reset = (link_reset_t)bnx2x_8073_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| static struct bnx2x_phy phy_8705 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, |
| .addr = 0xff, |
| .flags = FLAGS_INIT_XGXS_FIRST, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_XFP_FIBER, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8705_config_init, |
| .read_status = (read_status_t)bnx2x_8705_read_status, |
| .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| static struct bnx2x_phy phy_8706 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, |
| .addr = 0xff, |
| .flags = FLAGS_INIT_XGXS_FIRST, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_SFP_FIBER, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8706_config_init, |
| .read_status = (read_status_t)bnx2x_8706_read_status, |
| .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_8726 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, |
| .addr = 0xff, |
| .flags = (FLAGS_HW_LOCK_REQUIRED | |
| FLAGS_INIT_XGXS_FIRST), |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_Autoneg | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_SFP_FIBER, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8726_config_init, |
| .read_status = (read_status_t)bnx2x_8726_read_status, |
| .link_reset = (link_reset_t)bnx2x_8726_link_reset, |
| .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_8727 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, |
| .addr = 0xff, |
| .flags = FLAGS_FAN_FAILURE_DET_REQ, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10000baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_Autoneg | |
| SUPPORTED_FIBRE | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_SFP_FIBER, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8727_config_init, |
| .read_status = (read_status_t)bnx2x_8727_read_status, |
| .link_reset = (link_reset_t)bnx2x_8727_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, |
| .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| static struct bnx2x_phy phy_8481 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, |
| .addr = 0xff, |
| .flags = FLAGS_FAN_FAILURE_DET_REQ, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_BASE_T, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_8481_config_init, |
| .read_status = (read_status_t)bnx2x_848xx_read_status, |
| .link_reset = (link_reset_t)bnx2x_8481_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, |
| .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| static struct bnx2x_phy phy_84823 = { |
| .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, |
| .addr = 0xff, |
| .flags = FLAGS_FAN_FAILURE_DET_REQ, |
| .def_md_devad = 0, |
| .reserved = 0, |
| .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, |
| .mdio_ctrl = 0, |
| .supported = (SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_1000baseT_Full | |
| SUPPORTED_10000baseT_Full | |
| SUPPORTED_TP | |
| SUPPORTED_Autoneg | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause), |
| .media_type = ETH_PHY_BASE_T, |
| .ver_addr = 0, |
| .req_flow_ctrl = 0, |
| .req_line_speed = 0, |
| .speed_cap_mask = 0, |
| .req_duplex = 0, |
| .rsrv = 0, |
| .config_init = (config_init_t)bnx2x_848x3_config_init, |
| .read_status = (read_status_t)bnx2x_848xx_read_status, |
| .link_reset = (link_reset_t)bnx2x_848x3_link_reset, |
| .config_loopback = (config_loopback_t)NULL, |
| .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, |
| .hw_reset = (hw_reset_t)NULL, |
| .set_link_led = (set_link_led_t)NULL |
| }; |
| |
| /*****************************************************************/ |
| /* */ |
| /* Populate the phy according. Main function: bnx2x_populate_phy */ |
| /* */ |
| /*****************************************************************/ |
| |
| static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, |
| struct bnx2x_phy *phy, u8 port, |
| u8 phy_index) |
| { |
| /* Get the 4 lanes xgxs config rx and tx */ |
| u32 rx = 0, tx = 0, i; |
| for (i = 0; i < 2; i++) { |
| /** |
| * INT_PHY and EXT_PHY1 share the same value location in the |
| * shmem. When num_phys is greater than 1, than this value |
| * applies only to EXT_PHY1 |
| */ |
| |
| rx = REG_RD(bp, shmem_base + |
| offsetof(struct shmem_region, |
| dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); |
| |
| tx = REG_RD(bp, shmem_base + |
| offsetof(struct shmem_region, |
| dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); |
| |
| phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); |
| phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); |
| |
| phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); |
| phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); |
| } |
| } |
| |
| static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, |
| u8 phy_index, u8 port) |
| { |
| u32 ext_phy_config = 0; |
| switch (phy_index) { |
| case EXT_PHY1: |
| ext_phy_config = REG_RD(bp, shmem_base + |
| offsetof(struct shmem_region, |
| dev_info.port_hw_config[port].external_phy_config)); |
| break; |
| default: |
| DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); |
| return -EINVAL; |
| } |
| |
| return ext_phy_config; |
| } |
| static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, |
| struct bnx2x_phy *phy) |
| { |
| u32 phy_addr; |
| u32 chip_id; |
| u32 switch_cfg = (REG_RD(bp, shmem_base + |
| offsetof(struct shmem_region, |
| dev_info.port_feature_config[port].link_config)) & |
| PORT_FEATURE_CONNECTED_SWITCH_MASK); |
| chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16; |
| switch (switch_cfg) { |
| case SWITCH_CFG_1G: |
| phy_addr = REG_RD(bp, |
| NIG_REG_SERDES0_CTRL_PHY_ADDR + |
| port * 0x10); |
| *phy = phy_serdes; |
| break; |
| case SWITCH_CFG_10G: |
| phy_addr = REG_RD(bp, |
| NIG_REG_XGXS0_CTRL_PHY_ADDR + |
| port * 0x18); |
| *phy = phy_xgxs; |
| break; |
| default: |
| DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); |
| return -EINVAL; |
| } |
| phy->addr = (u8)phy_addr; |
| phy->mdio_ctrl = bnx2x_get_emac_base(bp, |
| phy->type, |
| port); |
| phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; |
| |
| DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", |
| port, phy->addr, phy->mdio_ctrl); |
| |
| bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); |
| return 0; |
| } |
| |
| static u8 bnx2x_populate_ext_phy(struct bnx2x *bp, |
| u8 phy_index, |
| u32 shmem_base, |
| u8 port, |
| struct bnx2x_phy *phy) |
| { |
| u32 ext_phy_config, phy_type; |
| |
| ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, |
| phy_index, port); |
| phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); |
| /* Select the phy type */ |
| switch (phy_type) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| *phy = phy_8073; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: |
| *phy = phy_8705; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: |
| *phy = phy_8706; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| *phy = phy_8726; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: |
| /* BCM8727_NOC => BCM8727 no over current */ |
| *phy = phy_8727; |
| phy->flags |= FLAGS_NOC; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: |
| *phy = phy_8727; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: |
| *phy = phy_8481; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: |
| *phy = phy_84823; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: |
| *phy = phy_7101; |
| break; |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: |
| *phy = phy_null; |
| return -EINVAL; |
| default: |
| *phy = phy_null; |
| return 0; |
| } |
| |
| phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); |
| bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); |
| phy->mdio_ctrl = bnx2x_get_emac_base(bp, phy->type, port); |
| |
| return 0; |
| } |
| |
| static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, |
| u8 port, struct bnx2x_phy *phy) |
| { |
| u8 status = 0; |
| phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; |
| if (phy_index == INT_PHY) |
| return bnx2x_populate_int_phy(bp, shmem_base, port, phy); |
| status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, |
| port, phy); |
| return status; |
| } |
| |
| static void bnx2x_phy_def_cfg(struct link_params *params, |
| struct bnx2x_phy *phy, |
| u8 actual_phy_idx) |
| { |
| struct bnx2x *bp = params->bp; |
| u32 link_config; |
| /* Populate the default phy configuration for MF mode */ |
| link_config = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_feature_config[params->port].link_config)); |
| phy->speed_cap_mask = REG_RD(bp, params->shmem_base + |
| offsetof(struct shmem_region, dev_info. |
| port_hw_config[params->port].speed_capability_mask)); |
| |
| phy->req_duplex = DUPLEX_FULL; |
| switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { |
| case PORT_FEATURE_LINK_SPEED_10M_HALF: |
| phy->req_duplex = DUPLEX_HALF; |
| case PORT_FEATURE_LINK_SPEED_10M_FULL: |
| phy->req_line_speed = SPEED_10; |
| break; |
| case PORT_FEATURE_LINK_SPEED_100M_HALF: |
| phy->req_duplex = DUPLEX_HALF; |
| case PORT_FEATURE_LINK_SPEED_100M_FULL: |
| phy->req_line_speed = SPEED_100; |
| break; |
| case PORT_FEATURE_LINK_SPEED_1G: |
| phy->req_line_speed = SPEED_1000; |
| break; |
| case PORT_FEATURE_LINK_SPEED_2_5G: |
| phy->req_line_speed = SPEED_2500; |
| break; |
| case PORT_FEATURE_LINK_SPEED_10G_CX4: |
| phy->req_line_speed = SPEED_10000; |
| break; |
| default: |
| phy->req_line_speed = SPEED_AUTO_NEG; |
| break; |
| } |
| |
| switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { |
| case PORT_FEATURE_FLOW_CONTROL_AUTO: |
| phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; |
| break; |
| case PORT_FEATURE_FLOW_CONTROL_TX: |
| phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; |
| break; |
| case PORT_FEATURE_FLOW_CONTROL_RX: |
| phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; |
| break; |
| case PORT_FEATURE_FLOW_CONTROL_BOTH: |
| phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; |
| break; |
| default: |
| phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; |
| break; |
| } |
| } |
| |
| u8 bnx2x_phy_probe(struct link_params *params) |
| { |
| u8 phy_index, actual_phy_idx, link_cfg_idx; |
| |
| struct bnx2x *bp = params->bp; |
| struct bnx2x_phy *phy; |
| params->num_phys = 0; |
| DP(NETIF_MSG_LINK, "Begin phy probe\n"); |
| |
| for (phy_index = INT_PHY; phy_index < MAX_PHYS; |
| phy_index++) { |
| link_cfg_idx = LINK_CONFIG_IDX(phy_index); |
| actual_phy_idx = phy_index; |
| |
| phy = ¶ms->phy[actual_phy_idx]; |
| if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, |
| params->port, |
| phy) != 0) { |
| params->num_phys = 0; |
| DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", |
| phy_index); |
| for (phy_index = INT_PHY; |
| phy_index < MAX_PHYS; |
| phy_index++) |
| *phy = phy_null; |
| return -EINVAL; |
| } |
| if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) |
| break; |
| |
| bnx2x_phy_def_cfg(params, phy, actual_phy_idx); |
| params->num_phys++; |
| } |
| |
| DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); |
| return 0; |
| } |
| |
| u32 bnx2x_supported_attr(struct link_params *params, u8 phy_idx) |
| { |
| if (phy_idx < params->num_phys) |
| return params->phy[phy_idx].supported; |
| return 0; |
| } |
| |
| |
| static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base) |
| { |
| struct bnx2x_phy phy[PORT_MAX]; |
| struct bnx2x_phy *phy_blk[PORT_MAX]; |
| u16 val; |
| s8 port; |
| |
| /* PART1 - Reset both phys */ |
| for (port = PORT_MAX - 1; port >= PORT_0; port--) { |
| /* Extract the ext phy address for the port */ |
| if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, |
| port, &phy[port]) != |
| 0) { |
| DP(NETIF_MSG_LINK, "populate_phy failed\n"); |
| return -EINVAL; |
| } |
| /* disable attentions */ |
| bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, |
| (NIG_MASK_XGXS0_LINK_STATUS | |
| NIG_MASK_XGXS0_LINK10G | |
| NIG_MASK_SERDES0_LINK_STATUS | |
| NIG_MASK_MI_INT)); |
| |
| /* Need to take the phy out of low power mode in order |
| to write to access its registers */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); |
| |
| /* Reset the phy */ |
| bnx2x_cl45_write(bp, &phy[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_CTRL, |
| 1<<15); |
| } |
| |
| /* Add delay of 150ms after reset */ |
| msleep(150); |
| |
| if (phy[PORT_0].addr & 0x1) { |
| phy_blk[PORT_0] = &(phy[PORT_1]); |
| phy_blk[PORT_1] = &(phy[PORT_0]); |
| } else { |
| phy_blk[PORT_0] = &(phy[PORT_0]); |
| phy_blk[PORT_1] = &(phy[PORT_1]); |
| } |
| |
| /* PART2 - Download firmware to both phys */ |
| for (port = PORT_MAX - 1; port >= PORT_0; port--) { |
| u16 fw_ver1; |
| |
| bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], |
| port, shmem_base); |
| |
| bnx2x_cl45_read(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER1, &fw_ver1); |
| if (fw_ver1 == 0 || fw_ver1 == 0x4321) { |
| DP(NETIF_MSG_LINK, |
| "bnx2x_8073_common_init_phy port %x:" |
| "Download failed. fw version = 0x%x\n", |
| port, fw_ver1); |
| return -EINVAL; |
| } |
| |
| /* Only set bit 10 = 1 (Tx power down) */ |
| bnx2x_cl45_read(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_TX_POWER_DOWN, &val); |
| |
| /* Phase1 of TX_POWER_DOWN reset */ |
| bnx2x_cl45_write(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_TX_POWER_DOWN, |
| (val | 1<<10)); |
| } |
| |
| /* Toggle Transmitter: Power down and then up with 600ms |
| delay between */ |
| msleep(600); |
| |
| /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ |
| for (port = PORT_MAX - 1; port >= PORT_0; port--) { |
| /* Phase2 of POWER_DOWN_RESET */ |
| /* Release bit 10 (Release Tx power down) */ |
| bnx2x_cl45_read(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_TX_POWER_DOWN, &val); |
| |
| bnx2x_cl45_write(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); |
| msleep(15); |
| |
| /* Read modify write the SPI-ROM version select register */ |
| bnx2x_cl45_read(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_EDC_FFE_MAIN, &val); |
| bnx2x_cl45_write(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); |
| |
| /* set GPIO2 back to LOW */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, |
| MISC_REGISTERS_GPIO_OUTPUT_LOW, port); |
| } |
| return 0; |
| } |
| |
| static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base) |
| { |
| s8 port, first_port, i; |
| u32 swap_val, swap_override; |
| struct bnx2x_phy phy[PORT_MAX]; |
| struct bnx2x_phy *phy_blk[PORT_MAX]; |
| DP(NETIF_MSG_LINK, "Executing BCM8727 common init\n"); |
| swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); |
| swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); |
| |
| bnx2x_ext_phy_hw_reset(bp, 1 ^ (swap_val && swap_override)); |
| msleep(5); |
| |
| if (swap_val && swap_override) |
| first_port = PORT_0; |
| else |
| first_port = PORT_1; |
| |
| /* PART1 - Reset both phys */ |
| for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) { |
| /* Extract the ext phy address for the port */ |
| if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, |
| port, &phy[port]) != |
| 0) { |
| DP(NETIF_MSG_LINK, "populate phy failed\n"); |
| return -EINVAL; |
| } |
| /* disable attentions */ |
| bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, |
| (NIG_MASK_XGXS0_LINK_STATUS | |
| NIG_MASK_XGXS0_LINK10G | |
| NIG_MASK_SERDES0_LINK_STATUS | |
| NIG_MASK_MI_INT)); |
| |
| |
| /* Reset the phy */ |
| bnx2x_cl45_write(bp, &phy[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_CTRL, |
| 1<<15); |
| } |
| |
| /* Add delay of 150ms after reset */ |
| msleep(150); |
| if (phy[PORT_0].addr & 0x1) { |
| phy_blk[PORT_0] = &(phy[PORT_1]); |
| phy_blk[PORT_1] = &(phy[PORT_0]); |
| } else { |
| phy_blk[PORT_0] = &(phy[PORT_0]); |
| phy_blk[PORT_1] = &(phy[PORT_1]); |
| } |
| /* PART2 - Download firmware to both phys */ |
| for (port = PORT_MAX - 1; port >= PORT_0; port--) { |
| u16 fw_ver1; |
| |
| bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], |
| port, shmem_base); |
| bnx2x_cl45_read(bp, phy_blk[port], |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_ROM_VER1, &fw_ver1); |
| if (fw_ver1 == 0 || fw_ver1 == 0x4321) { |
| DP(NETIF_MSG_LINK, |
| "bnx2x_8727_common_init_phy port %x:" |
| "Download failed. fw version = 0x%x\n", |
| port, fw_ver1); |
| return -EINVAL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base) |
| { |
| u32 val; |
| s8 port; |
| struct bnx2x_phy phy; |
| /* Use port1 because of the static port-swap */ |
| /* Enable the module detection interrupt */ |
| val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); |
| val |= ((1<<MISC_REGISTERS_GPIO_3)| |
| (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); |
| REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); |
| |
| bnx2x_ext_phy_hw_reset(bp, 1); |
| msleep(5); |
| for (port = 0; port < PORT_MAX; port++) { |
| /* Extract the ext phy address for the port */ |
| if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, |
| port, &phy) != |
| 0) { |
| DP(NETIF_MSG_LINK, "populate phy failed\n"); |
| return -EINVAL; |
| } |
| |
| /* Reset phy*/ |
| bnx2x_cl45_write(bp, &phy, |
| MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); |
| |
| |
| /* Set fault module detected LED on */ |
| bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, |
| MISC_REGISTERS_GPIO_HIGH, |
| port); |
| } |
| |
| return 0; |
| } |
| |
| u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base) |
| { |
| u8 rc = 0; |
| u32 ext_phy_type; |
| |
| DP(NETIF_MSG_LINK, "Begin common phy init\n"); |
| |
| /* Read the ext_phy_type for arbitrary port(0) */ |
| ext_phy_type = XGXS_EXT_PHY_TYPE( |
| REG_RD(bp, shmem_base + |
| offsetof(struct shmem_region, |
| dev_info.port_hw_config[0].external_phy_config))); |
| |
| switch (ext_phy_type) { |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: |
| { |
| rc = bnx2x_8073_common_init_phy(bp, shmem_base); |
| break; |
| } |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: |
| rc = bnx2x_8727_common_init_phy(bp, shmem_base); |
| break; |
| |
| case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: |
| /* GPIO1 affects both ports, so there's need to pull |
| it for single port alone */ |
| rc = bnx2x_8726_common_init_phy(bp, shmem_base); |
| break; |
| default: |
| DP(NETIF_MSG_LINK, |
| "bnx2x_common_init_phy: ext_phy 0x%x not required\n", |
| ext_phy_type); |
| break; |
| } |
| |
| return rc; |
| } |
| |
| void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) |
| { |
| u16 val, cnt; |
| |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_7101_RESET, &val); |
| |
| for (cnt = 0; cnt < 10; cnt++) { |
| msleep(50); |
| /* Writes a self-clearing reset */ |
| bnx2x_cl45_write(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_7101_RESET, |
| (val | (1<<15))); |
| /* Wait for clear */ |
| bnx2x_cl45_read(bp, phy, |
| MDIO_PMA_DEVAD, |
| MDIO_PMA_REG_7101_RESET, &val); |
| |
| if ((val & (1<<15)) == 0) |
| break; |
| } |
| } |