diff options
| -rw-r--r-- | drivers/net/bnx2x_link.c | 4518 | ||||
| -rw-r--r-- | drivers/net/bnx2x_link.h | 168 |
2 files changed, 4686 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c new file mode 100644 index 000000000000..22586ebd7b1e --- /dev/null +++ b/drivers/net/bnx2x_link.c @@ -0,0 +1,4518 @@ +/* Copyright 2008 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 + * + */ + +#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 <linux/version.h> + +#include "bnx2x_reg.h" +#include "bnx2x_fw_defs.h" +#include "bnx2x_hsi.h" +#include "bnx2x_link.h" +#include "bnx2x.h" + +/********************************************************/ +#define SUPPORT_CL73 0 /* Currently no */ +#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 +#define MAX_MTU_SIZE 5000 + +/***********************************************************/ +/* Shortcut definitions */ +/***********************************************************/ + +#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 + +/**********************************************************/ +/* INTERFACE */ +/**********************************************************/ +#define CL45_WR_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \ + bnx2x_cl45_write(_bp, _port, 0, _phy_addr, \ + DEFAULT_PHY_DEV_ADDR, \ + (_bank + (_addr & 0xf)), \ + _val) + +#define CL45_RD_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \ + bnx2x_cl45_read(_bp, _port, 0, _phy_addr, \ + DEFAULT_PHY_DEV_ADDR, \ + (_bank + (_addr & 0xf)), \ + _val) + +static void bnx2x_set_phy_mdio(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + 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); +} + +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(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(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(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); + } + + /* enable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); + + if (CHIP_REV_IS_SLOW(bp)) { + /* config GMII mode */ + val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); + EMAC_WR(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 & 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); + if (vars->flow_ctrl & FLOW_CTRL_TX) + bnx2x_bits_en(bp, emac_base + + EMAC_REG_EMAC_TX_MODE, + EMAC_TX_MODE_EXT_PAUSE_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(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(EMAC_REG_EMAC_MODE, val); + + /* enable emac for jumbo packets */ + EMAC_WR(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 & 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); + } + + 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 & 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 & 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 & 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); +} + +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 |= FLOW_CTRL_TX; + else + vars->flow_ctrl &= ~FLOW_CTRL_TX; + + if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) + vars->flow_ctrl |= FLOW_CTRL_RX; + else + vars->flow_ctrl &= ~FLOW_CTRL_RX; + + if (vars->phy_flags & PHY_XGXS_FLAG) { + if (params->req_line_speed && + ((params->req_line_speed == SPEED_10) || + (params->req_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 = 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; + u32 pause = 0; + + /* 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 & FLOW_CTRL_RX) + pause = 1; + REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); + if (pause) { + /* 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; + + /* update threshold */ + REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); + /* update init credit */ + switch (line_speed) { + case SPEED_10: + case SPEED_100: + case SPEED_1000: + init_crd = thresh + 55 - 22; + break; + + case SPEED_2500: + init_crd = thresh + 138 - 22; + break; + + 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; + break; + } + } + 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(u32 ext_phy_type, u8 port) +{ + u32 emac_base; + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + emac_base = GRCBASE_EMAC0; + 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, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 val) +{ + u32 tmp, saved_mode; + u8 i, rc = 0; + u32 mdio_ctrl = bnx2x_get_emac_base(ext_phy_type, port); + + /* 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, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); + REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); + + for (i = 0; i < 50; i++) { + udelay(10); + + tmp = REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); + + for (i = 0; i < 50; i++) { + udelay(10); + + tmp = REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); + + return rc; +} + +u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 *ret_val) +{ + u32 val, saved_mode; + u16 i; + u8 rc = 0; + + u32 mdio_ctrl = bnx2x_get_emac_base(ext_phy_type, port); + /* 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, 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 | + (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); + REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); + + for (i = 0; i < 50; i++) { + udelay(10); + + val = REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); + + for (i = 0; i < 50; i++) { + udelay(10); + + val = REG_RD(bp, 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, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); + + return rc; +} + +static void bnx2x_set_aer_mmd(struct link_params *params, + struct link_vars *vars) +{ + 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 = (vars->phy_flags & PHY_XGXS_FLAG) ? + (params->phy_addr + ser_lane) : 0; + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0x3800 + offset); +} + +static void bnx2x_set_master_ln(struct link_params *params) +{ + 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, params->port, + params->phy_addr, + MDIO_REG_BANK_XGXS_BLOCK2, + MDIO_XGXS_BLOCK2_TEST_MODE_LANE, + &new_master_ln); + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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 *bp = params->bp; + u16 mii_control; + u16 i; + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); + + /* reset the unicore */ + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, + (mii_control | + MDIO_COMBO_IEEO_MII_CONTROL_RESET)); + + /* 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, params->port, + params->phy_addr, + 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 *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, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + MDIO_REG_BANK_XGXS_BLOCK2, + MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); + } + + if (tx_lane_swap != 0x1b) { + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + MDIO_REG_BANK_XGXS_BLOCK2, + MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); + } +} + +static void bnx2x_set_parallel_detection(struct link_params *params, + u8 phy_flags) +{ + struct bnx2x *bp = params->bp; + u16 control2; + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, + &control2); + + + control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; + + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, + control2); + + if (phy_flags & PHY_XGXS_FLAG) { + DP(NETIF_MSG_LINK, "XGXS\n"); + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + 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 link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u16 reg_val; + + /* CL37 Autoneg */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); + + /* CL37 Autoneg Enabled */ + if (params->req_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, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); + + /* Enable/Disable Autodetection */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); + reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN; + if (params->req_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, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); + + /* Enable TetonII and BAM autoneg */ + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_BAM_NEXT_PAGE, + MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, + ®_val); + if (params->req_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, params->port, + params->phy_addr, + MDIO_REG_BANK_BAM_NEXT_PAGE, + MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, + reg_val); + + /* Enable Clause 73 Aneg */ + if ((params->req_line_speed == SPEED_AUTO_NEG) && + (SUPPORT_CL73)) { + /* Enable BAM Station Manager */ + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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)); + + /* Merge CL73 and CL37 aneg resolution */ + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_USERB0, + MDIO_CL73_USERB0_CL73_BAM_CTRL3, + ®_val); + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_USERB0, + MDIO_CL73_USERB0_CL73_BAM_CTRL3, + (reg_val | + MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR)); + + /* Set the CL73 AN speed */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_IEEEB1, + MDIO_CL73_IEEEB1_AN_ADV2, ®_val); + /* In the SerDes we support only the 1G. + In the XGXS we support the 10G KX4 + but we currently do not support the KR */ + if (vars->phy_flags & PHY_XGXS_FLAG) { + DP(NETIF_MSG_LINK, "XGXS\n"); + /* 10G KX4 */ + reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; + } else { + DP(NETIF_MSG_LINK, "SerDes\n"); + /* 1000M KX */ + reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; + } + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_IEEEB0, + MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); +} + +/* program SerDes, forced speed */ +static void bnx2x_program_serdes(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u16 reg_val; + + /* program duplex, disable autoneg */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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); + if (params->req_duplex == DUPLEX_FULL) + reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + 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) */ + if (!((params->req_line_speed == SPEED_1000) || + (params->req_line_speed == SPEED_100) || + (params->req_line_speed == SPEED_10))) { + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_MISC1, ®_val); + /* clearing the speed value before setting the right speed */ + reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK; + reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | + MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); + if (params->req_line_speed == SPEED_10000) + reg_val |= + MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; + if (params->req_line_speed == SPEED_13000) + reg_val |= + MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G; + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_MISC1, reg_val); + } +} + +static void bnx2x_set_brcm_cl37_advertisment(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, params->port, + params->phy_addr, + MDIO_REG_BANK_OVER_1G, + MDIO_OVER_1G_UP1, val); + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_OVER_1G, + MDIO_OVER_1G_UP3, 0); +} + +static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params, + u32 *ieee_fc) +{ + struct bnx2x *bp = params->bp; + /* for AN, we are always publishing full duplex */ + u16 an_adv = 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 FLOW_CTRL_AUTO: + if (params->mtu <= MAX_MTU_SIZE) { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + } else { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + } + break; + case FLOW_CTRL_TX: + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + break; + + case FLOW_CTRL_RX: + case FLOW_CTRL_BOTH: + an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + break; + + case FLOW_CTRL_NONE: + default: + an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + break; + } + + *ieee_fc = an_adv; + + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv); +} + +static void bnx2x_restart_autoneg(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); + if (SUPPORT_CL73) { + /* enable and restart clause 73 aneg */ + u16 an_ctrl; + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_IEEEB0, + MDIO_CL73_IEEEB0_CL73_AN_CONTROL, + &an_ctrl); + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_CL73_IEEEB0, + MDIO_CL73_IEEEB0_CL73_AN_CONTROL, + (an_ctrl | + MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | + MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); + + } else { + /* Enable and restart BAM/CL37 aneg */ + u16 mii_control; + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + 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 link_params *params) +{ + struct bnx2x *bp = params->bp; + u16 control1; + + /* in SGMII mode, the unicore is always slave */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, + control1); + + /* if forced speed */ + if (!(params->req_line_speed == SPEED_AUTO_NEG)) { + /* set speed, disable autoneg */ + u16 mii_control; + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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 (params->req_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 req_line_speed 0x%x\n", + params->req_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, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, + mii_control); + + } else { /* AN mode */ + /* enable and restart AN */ + bnx2x_restart_autoneg(params); + } +} + + +/* + * link management + */ + +static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) +{ + switch (pause_result) { /* ASYM P ASYM P */ + case 0xb: /* 1 0 1 1 */ + vars->flow_ctrl = FLOW_CTRL_TX; + break; + + case 0xe: /* 1 1 1 0 */ + vars->flow_ctrl = 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 = FLOW_CTRL_BOTH; + break; + + default: + break; + } +} + +static u8 bnx2x_ext_phy_resove_fc(struct link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u8 ext_phy_addr; + u16 ld_pause; /* local */ + u16 lp_pause; /* link partner */ + u16 an_complete; /* AN complete */ + u16 pause_result; + u8 ret = 0; + u32 ext_phy_type; + u8 port = params->port; + ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + /* read twice */ + + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_STATUS, &an_complete); + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_STATUS, &an_complete); + + if (an_complete & MDIO_AN_REG_STATUS_AN_COMPLETE) { + ret = 1; + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV_PAUSE, &ld_pause); + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + 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); + } + return ret; +} + + +static void bnx2x_flow_ctrl_resolve(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 = FLOW_CTRL_NONE; + + /* resolve from gp_status in case of AN complete and not sgmii */ + if ((params->req_flow_ctrl == FLOW_CTRL_AUTO) && + (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && + (!(vars->phy_flags & PHY_SGMII_FLAG)) && + (XGXS_EXT_PHY_TYPE(params->ext_phy_config) == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_AUTO_NEG_ADV, + &ld_pause); + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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 0x%x\n", pause_result); + bnx2x_pause_resolve(vars, pause_result); + } else if ((params->req_flow_ctrl == FLOW_CTRL_AUTO) && + (bnx2x_ext_phy_resove_fc(params, vars))) { + return; + } else { + vars->flow_ctrl = params->req_flow_ctrl; + if (vars->flow_ctrl == FLOW_CTRL_AUTO) { + if (params->mtu <= MAX_MTU_SIZE) + vars->flow_ctrl = FLOW_CTRL_BOTH; + else + vars->flow_ctrl = FLOW_CTRL_TX; + } + } + DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); +} + + +static u8 bnx2x_link_settings_status(struct link_params *params, + struct link_vars *vars, + u32 gp_status) +{ + struct bnx2x *bp = params->bp; + u8 rc = 0; + vars->link_status = 0; + + 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(params, vars, gp_status); + + switch (gp_status & GP_STATUS_SPEED_MASK) { + case GP_STATUS_10M: + vars->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: + vars->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: + vars->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: + vars->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; + break; + case GP_STATUS_10G_KX4: + case GP_STATUS_10G_HIG: + case GP_STATUS_10G_CX4: + vars->line_speed = SPEED_10000; + vars->link_status |= LINK_10GTFD; + break; + + case GP_STATUS_12G_HIG: + vars->line_speed = SPEED_12000; + vars->link_status |= LINK_12GTFD; + break; + + case GP_STATUS_12_5G: + vars->line_speed = SPEED_12500; + vars->link_status |= LINK_12_5GTFD; + break; + + case GP_STATUS_13G: + vars->line_speed = SPEED_13000; + vars->link_status |= LINK_13GTFD; + break; + + case GP_STATUS_15G: + vars->line_speed = SPEED_15000; + vars->link_status |= LINK_15GTFD; + break; + + case GP_STATUS_16G: + vars->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; + break; + } + + vars->link_status |= LINK_STATUS_SERDES_LINK; + + if (params->req_line_speed == SPEED_AUTO_NEG) { + 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 & FLOW_CTRL_TX) + vars->link_status |= + LINK_STATUS_TX_FLOW_CONTROL_ENABLED; + + if (vars->flow_ctrl & 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->line_speed = 0; + vars->duplex = DUPLEX_FULL; + vars->flow_ctrl = FLOW_CTRL_NONE; + vars->autoneg = AUTO_NEG_DISABLED; + vars->mac_type = MAC_TYPE_NONE; + } + + 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_sgmii_tx_driver(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u16 lp_up2; + u16 tx_driver; + + /* read precomp */ + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_OVER_1G, + MDIO_OVER_1G_LP_UP2, &lp_up2); + + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_TX0, + MDIO_TX0_TX_DRIVER, &tx_driver); + + /* 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) && + (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK))) { + /* replace tx_driver bits [15:12] */ + tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; + tx_driver |= lp_up2; + CL45_WR_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_TX0, + MDIO_TX0_TX_DRIVER, tx_driver); + } +} + +static u8 bnx2x_emac_program(struct link_params *params, + u32 line_speed, u32 duplex) +{ + 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 (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", line_speed); + return -EINVAL; + } + + if (duplex == DUPLEX_HALF) + mode |= EMAC_MODE_HALF_DUPLEX; + bnx2x_bits_en(bp, + GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, + mode); + + bnx2x_set_led(bp, params->port, LED_MODE_OPER, + line_speed, params->hw_led_mode, params->chip_id); + return 0; +} + +/*****************************************************************************/ +/* External Phy section */ +/*****************************************************************************/ +static void bnx2x_hw_reset(struct bnx2x *bp) +{ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + msleep(1); + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); +} + +static void bnx2x_ext_phy_reset(struct link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u32 ext_phy_type; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + DP(NETIF_MSG_LINK, "Port %x: bnx2x_ext_phy_reset\n", params->port); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + /* The PHY reset is controled by GPIO 1 + * Give it 1ms of reset pulse + */ + if (vars->phy_flags & PHY_XGXS_FLAG) { + + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "XGXS Direct\n"); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + DP(NETIF_MSG_LINK, "XGXS 8705/8706\n"); + + /* Restore normal power mode*/ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + + /* HW reset */ + bnx2x_hw_reset(bp); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, 0xa040); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + /* Unset Low Power Mode and SW reset */ + /* Restore normal power mode*/ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + + DP(NETIF_MSG_LINK, "XGXS 8072\n"); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + 1<<15); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: + { + u16 emac_base; + emac_base = (params->port) ? GRCBASE_EMAC0 : + GRCBASE_EMAC1; + + /* Restore normal power mode*/ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + + DP(NETIF_MSG_LINK, "XGXS 8073\n"); + bnx2x_cl45_write(bp, + params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + 1<<15); + } + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + DP(NETIF_MSG_LINK, "XGXS SFX7101\n"); + + /* Restore normal power mode*/ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + + /* HW reset */ + bnx2x_hw_reset(bp); + + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: + DP(NETIF_MSG_LINK, "XGXS PHY Failure detected\n"); + break; + + default: + DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", + params->ext_phy_config); + break; + } + + } else { /* SerDes */ + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); + switch (ext_phy_type) { + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "SerDes Direct\n"); + break; + + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: + DP(NETIF_MSG_LINK, "SerDes 5482\n"); + bnx2x_hw_reset(bp); + break; + + default: + DP(NETIF_MSG_LINK, + "BAD SerDes ext_phy_config 0x%x\n", + params->ext_phy_config); + break; + } + } +} + +static void bnx2x_bcm8072_external_rom_boot(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + u16 fw_ver1, fw_ver2; + + /* Need to wait 200ms after reset */ + msleep(200); + /* Boot port from external ROM + * Set ser_boot_ctl bit in the MISC_CTRL1 register + */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_MISC_CTRL1, 0x0001); + + /* Reset internal microprocessor */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); + /* set micro reset = 0 */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); + /* Reset internal microprocessor */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); + /* wait for 100ms for code download via SPI port */ + msleep(100); + + /* Clear ser_boot_ctl bit */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_MISC_CTRL1, 0x0000); + /* Wait 100ms */ + msleep(100); + + /* Print the PHY FW version */ + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER1, &fw_ver1); + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER2, &fw_ver2); + DP(NETIF_MSG_LINK, "8072 FW version 0x%x:0x%x\n", fw_ver1, fw_ver2); +} + +static u8 bnx2x_8073_is_snr_needed(struct link_params *params) +{ + /* This is only required for 8073A1, version 102 only */ + + struct bnx2x *bp = params->bp; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u16 val; + + /* Read 8073 HW revision*/ + bnx2x_cl45_read(bp, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc801, &val); + + if (val != 1) { + /* No need to workaround in 8073 A1 */ + return 0; + } + + bnx2x_cl45_read(bp, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + 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_bcm8073_xaui_wa(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u16 val, cnt, cnt1 ; + + bnx2x_cl45_read(bp, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc801, &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, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc820, &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, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc841, &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_bcm8073_external_rom_boot(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + u16 fw_ver1, fw_ver2, val; + /* Need to wait 100ms after reset */ + msleep(100); + /* Boot port from external ROM */ + /* EDC grst */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + 0x0001); + + /* ucode reboot and rst */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + 0x008c); + + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_MISC_CTRL1, 0x0001); + + /* Reset internal microprocessor */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); + + /* Release srst bit */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_GEN_CTRL, + MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); + + /* wait for 100ms for code download via SPI port */ + msleep(100); + + /* Clear ser_boot_ctl bit */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_MISC_CTRL1, 0x0000); + + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER1, &fw_ver1); + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER2, &fw_ver2); + DP(NETIF_MSG_LINK, "8073 FW version 0x%x:0x%x\n", fw_ver1, fw_ver2); + + /* Only set bit 10 = 1 (Tx power down) */ + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_TX_POWER_DOWN, &val); + + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_TX_POWER_DOWN, (val | 1<<10)); + + msleep(600); + /* Release bit 10 (Release Tx power down) */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); + +} + +static void bnx2x_bcm8073_set_xaui_low_power_mode(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u16 val; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + + bnx2x_cl45_read(bp, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc801, &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, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, + MDIO_XS_PLL_SEQUENCER, &val); + val &= ~(1<<13); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val); + + /* PLL controls */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x805E, 0x1077); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x805D, 0x0000); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x805C, 0x030B); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x805B, 0x1240); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x805A, 0x2490); + + /* Tx Controls */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80A7, 0x0C74); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80A6, 0x9041); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80A5, 0x4640); + + /* Rx Controls */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80FE, 0x01C4); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80FD, 0x9249); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, 0x80FC, 0x2015); + + /* Enable PLL sequencer (use read-modify-write to set bit 13) */ + bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, + MDIO_XS_PLL_SEQUENCER, &val); + val |= (1<<13); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val); +} +static void bnx2x_bcm807x_force_10G(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + + /* Force KR or KX */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + 0x2040); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_10G_CTRL2, + 0x000b); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_BCM_CTRL, + 0x0000); + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CTRL, + 0x0000); +} + +static void bnx2x_ext_phy_set_pause(struct link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u16 val; + u8 ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + + /* read modify write pause advertizing */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + 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) { + val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; + } + if (vars->ieee_fc & + 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, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV_PAUSE, val); +} + +static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u32 ext_phy_type; + u8 ext_phy_addr; + u16 cnt; + u16 ctrl = 0; + u16 val = 0; + u8 rc = 0; + if (vars->phy_flags & PHY_XGXS_FLAG) { + ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + /* Make sure that the soft reset is off (expect for the 8072: + * due to the lock, it will be done inside the specific + * handling) + */ + if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) { + /* Wait for soft reset to get cleared upto 1 sec */ + for (cnt = 0; cnt < 1000; cnt++) { + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + 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); + } + + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "XGXS Direct\n"); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + DP(NETIF_MSG_LINK, "XGXS 8705\n"); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_MISC_CTRL, + 0x8288); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_PHY_IDENTIFIER, + 0x7fbf); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CMU_PLL_BYPASS, + 0x0100); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_WIS_DEVAD, + MDIO_WIS_REG_LASI_CNTL, 0x1); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + DP(NETIF_MSG_LINK, "XGXS 8706\n"); + + msleep(10); + /* Force speed */ + /* First enable LASI */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM_CTRL, + 0x0400); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_CTRL, 0x0004); + + if (params->req_line_speed == SPEED_10000) { + DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_DIGITAL_CTRL, + 0x400); + } else { + /* Force 1Gbps using autoneg with 1G + advertisment */ + + /* Allow CL37 through CL73 */ + DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_CL73, + 0x040c); + + /* Enable Full-Duplex advertisment on CL37 */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_FD, + 0x0020); + /* Enable CL37 AN */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_AN, + 0x1000); + /* 1G support */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV, (1<<5)); + + /* Enable clause 73 AN */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CTRL, + 0x1200); + + } + + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: + { + u16 tmp1; + u16 rx_alarm_ctrl_val; + u16 lasi_ctrl_val; + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) { + rx_alarm_ctrl_val = 0x400; + lasi_ctrl_val = 0x0004; + } else { + /* In 8073, port1 is directed through emac0 and + * port0 is directed through emac1 + */ + rx_alarm_ctrl_val = (1<<2); + /*lasi_ctrl_val = 0x0005;*/ + lasi_ctrl_val = 0x0004; + } + + /* Wait for soft reset to get cleared upto 1 sec */ + for (cnt = 0; cnt < 1000; cnt++) { + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + &ctrl); + if (!(ctrl & (1<<15))) + break; + msleep(1); + } + DP(NETIF_MSG_LINK, + "807x control reg 0x%x (after %d ms)\n", + ctrl, cnt); + + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072){ + bnx2x_bcm8072_external_rom_boot(params); + } else { + bnx2x_bcm8073_external_rom_boot(params); + /* In case of 8073 with long xaui lines, + don't set the 8073 xaui low power*/ + bnx2x_bcm8073_set_xaui_low_power_mode(params); + } + + /* enable LASI */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM_CTRL, + rx_alarm_ctrl_val); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_CTRL, + lasi_ctrl_val); + + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM, &tmp1); + + DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1):" + "0x%x\n", tmp1); + + /* If this is forced speed, set to KR or KX + * (all other are not supported) + */ + if (!(params->req_line_speed == SPEED_AUTO_NEG)) { + if (params->req_line_speed == SPEED_10000) { + bnx2x_bcm807x_force_10G(params); + DP(NETIF_MSG_LINK, + "Forced speed 10G on 807X\n"); + break; + } else if (params->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 (params->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) + val |= (1<<7); + + if (params->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) + val |= (1<<5); + DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); + /*val = ((1<<5)|(1<<7));*/ + } + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV, val); + + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + /* Disable 2.5Ghz */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + 0x8329, &tmp1); +/* SUPPORT_SPEED_CAPABILITY + (Due to the nature of the link order, its not + possible to enable 2.5G within the autoneg + capabilities) + if (params->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) +*/ + if (params->req_line_speed == SPEED_2500) { + u16 phy_ver; + /* Allow 2.5G for A1 and above */ + bnx2x_cl45_read(bp, params->port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, + ext_phy_addr, + MDIO_PMA_DEVAD, + 0xc801, &phy_ver); + + if (phy_ver > 0) + tmp1 |= 1; + else + tmp1 &= 0xfffe; + } + else + tmp1 &= 0xfffe; + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + 0x8329, tmp1); + } + /* Add support for CL37 (passive mode) I */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_CL73, 0x040c); + /* Add support for CL37 (passive mode) II */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_FD, 0x20); + /* Add support for CL37 (passive mode) III */ + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_AN, 0x1000); + /* Restart autoneg */ + msleep(500); + + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + + /* The SNR will improve about 2db by changing the + BW and FEE main tap. Rest commands are executed + after link is up*/ + /* Change FFE main cursor to 5 in EDC register */ + if (bnx2x_8073_is_snr_needed(params)) + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_EDC_FFE_MAIN, + 0xFB0C); + + /* Enable FEC (Forware Error Correction) + Request in the AN */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV2, &tmp1); + + tmp1 |= (1<<15); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_ADV2, tmp1); + } + + bnx2x_ext_phy_set_pause(params, vars); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + 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)); + break; + } + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + DP(NETIF_MSG_LINK, + "Setting the SFX7101 LASI indication\n"); + + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + 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, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); + + bnx2x_ext_phy_set_pause(params, vars); + /* Restart autoneg */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CTRL, &val); + val |= 0x200; + bnx2x_cl45_write(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CTRL, val); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: + DP(NETIF_MSG_LINK, + "XGXS PHY Failure detected 0x%x\n", + params->ext_phy_config); + rc = -EINVAL; + break; + default: + DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", + params->ext_phy_config); + rc = -EINVAL; + break; + } + + } else { /* SerDes */ +/* ext_phy_addr = ((bp->ext_phy_config & + PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); +*/ + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); + switch (ext_phy_type) { + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "SerDes Direct\n"); + break; + + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: + DP(NETIF_MSG_LINK, "SerDes 5482\n"); + break; + + default: + DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", + params->ext_phy_config); + break; + } + } + return rc; +} + + +static u8 bnx2x_ext_phy_is_link_up(struct link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u32 ext_phy_type; + u8 ext_phy_addr; + u16 val1 = 0, val2; + u16 rx_sd, pcs_status; + u8 ext_phy_link_up = 0; + u8 port = params->port; + if (vars->phy_flags & PHY_XGXS_FLAG) { + ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "XGXS Direct\n"); + ext_phy_link_up = 1; + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + DP(NETIF_MSG_LINK, "XGXS 8705\n"); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_WIS_DEVAD, + MDIO_WIS_REG_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_WIS_DEVAD, + MDIO_WIS_REG_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_SD, &rx_sd); + DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd); + ext_phy_link_up = (rx_sd & 0x1); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + DP(NETIF_MSG_LINK, "XGXS 8706\n"); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_SD, &rx_sd); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_STATUS, &pcs_status); + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_LINK_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_LINK_STATUS, &val2); + + DP(NETIF_MSG_LINK, "8706 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 + */ + ext_phy_link_up = ((rx_sd & pcs_status & 0x1) || + (val2 & (1<<1))); + /* clear LASI indication*/ + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM, &val2); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: + { + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) { + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_LASI_STATUS, &val1); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_LASI_STATUS, &val2); + DP(NETIF_MSG_LINK, + "870x LASI status 0x%x->0x%x\n", + val1, val2); + + } else { + /* In 8073, port1 is directed through emac0 and + * port0 is directed through emac1 + */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_STATUS, &val1); + + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_STATUS, &val2); + DP(NETIF_MSG_LINK, + "8703 LASI status 0x%x->0x%x\n", + val1, val2); + } + + /* clear the interrupt LASI status register */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_STATUS, &val1); + DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", + val2, val1); + /* Check the LASI */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM, &val2); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_RX_ALARM, + &val1); + DP(NETIF_MSG_LINK, "KR 0x9003 0x%x->0x%x\n", + val2, val1); + /* Check the link status */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_STATUS, &val2); + DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); + + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_STATUS, &val1); + ext_phy_link_up = ((val1 & 4) == 4); + DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + u16 an1000_status = 0; + if (ext_phy_link_up && + ( + (params->req_line_speed != SPEED_10000) + )) { + if (bnx2x_bcm8073_xaui_wa(params) + != 0) { + ext_phy_link_up = 0; + break; + } + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_XS_DEVAD, + 0x8304, + &an1000_status); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_XS_DEVAD, + 0x8304, + &an1000_status); + } + /* Check the link status on 1.1.2 */ + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + 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); + + ext_phy_link_up = (((val1 & 4) == 4) || + (an1000_status & (1<<1))); + if (ext_phy_link_up && + bnx2x_8073_is_snr_needed(params)) { + /* 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, port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_PLL_BANDWIDTH, + 0x26BC); + + /* Change CDR Bandwidth in EDC + register */ + bnx2x_cl45_write(bp, port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CDR_BANDWIDTH, + 0x0333); + + } + } + break; + } + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_LASI_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + 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, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_STATUS, &val2); + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_STATUS, &val1); + DP(NETIF_MSG_LINK, + "10G-base-T PMA status 0x%x->0x%x\n", + val2, val1); + ext_phy_link_up = ((val1 & 4) == 4); + /* if link is up + * print the AN outcome of the SFX7101 PHY + */ + if (ext_phy_link_up) { + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_MASTER_STATUS, + &val2); + DP(NETIF_MSG_LINK, + "SFX7101 AN status 0x%x->Master=%x\n", + val2, + (val2 & (1<<14))); + } + break; + + default: + DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", + params->ext_phy_config); + ext_phy_link_up = 0; + break; + } + + } else { /* SerDes */ + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); + switch (ext_phy_type) { + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: + DP(NETIF_MSG_LINK, "SerDes Direct\n"); + ext_phy_link_up = 1; + break; + + case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: + DP(NETIF_MSG_LINK, "SerDes 5482\n"); + ext_phy_link_up = 1; + break; + + default: + DP(NETIF_MSG_LINK, + "BAD SerDes ext_phy_config 0x%x\n", + params->ext_phy_config); + ext_phy_link_up = 0; + break; + } + } + + return ext_phy_link_up; +} + +static void bnx2x_link_int_enable(struct link_params *params) +{ + u8 port = params->port; + u32 ext_phy_type; + 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"); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && + (ext_phy_type != + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) { + 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"); + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); + if ((ext_phy_type != + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) && + (ext_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)); +} + + +/* + * link management + */ +static void bnx2x_link_int_ack(struct link_params *params, + struct link_vars *vars, u16 is_10g) +{ + 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 (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, "1G XGXS phy link up\n"); + 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); + } + + } else { /* link_down */ + } +} + +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 then 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 void bnx2x_turn_on_sf(struct bnx2x *bp, u8 port, u8 ext_phy_addr) +{ + u32 cnt = 0; + u16 ctrl = 0; + /* Enable EMAC0 in to enable MDIO */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, + (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); + msleep(5); + + /* take ext phy out of reset */ + bnx2x_set_gpio(bp, + MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_HIGH); + + bnx2x_set_gpio(bp, + MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_HIGH); + + /* wait for 5ms */ + msleep(5); + + for (cnt = 0; cnt < 1000; cnt++) { + msleep(1); + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + &ctrl); + if (!(ctrl & (1<<15))) { + DP(NETIF_MSG_LINK, "Reset completed\n\n"); + break; + } + } +} + +static void bnx2x_turn_off_sf(struct bnx2x *bp) +{ + /* put sf to reset */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_LOW); + bnx2x_set_gpio(bp, + MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_LOW); +} + +u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, + u8 *version, u16 len) +{ + struct bnx2x *bp = params->bp; + u32 ext_phy_type = 0; + u16 val = 0; + u8 ext_phy_addr = 0 ; + u8 status = 0 ; + u32 ver_num; + + if (version == NULL || params == NULL) + return -EINVAL; + + /* reset the returned value to zero */ + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + + if (len < 5) + return -EINVAL; + + /* Take ext phy out of reset */ + if (!driver_loaded) + bnx2x_turn_on_sf(bp, params->port, ext_phy_addr); + + /* wait for 1ms */ + msleep(1); + + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7101_VER1, &val); + version[2] = (val & 0xFF); + version[3] = ((val & 0xFF00)>>8); + + bnx2x_cl45_read(bp, params->port, + ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, + &val); + version[0] = (val & 0xFF); + version[1] = ((val & 0xFF00)>>8); + version[4] = '\0'; + + if (!driver_loaded) + bnx2x_turn_off_sf(bp); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: + { + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER1, &val); + ver_num = val<<16; + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER2, &val); + ver_num |= val; + status = bnx2x_format_ver(ver_num, version, len); + break; + } + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER1, &val); + ver_num = val<<16; + bnx2x_cl45_read(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_ROM_VER2, &val); + ver_num |= val; + status = bnx2x_format_ver(ver_num, version, len); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: + DP(NETIF_MSG_LINK, "bnx2x_get_ext_phy_fw_version:" + " type is FAILURE!\n"); + status = -EINVAL; + break; + + default: + break; + } + return status; +} + +static void bnx2x_set_xgxs_loopback(struct link_params *params, + struct link_vars *vars, + u8 is_10g) +{ + u8 port = params->port; + struct bnx2x *bp = params->bp; + + if (is_10g) { + 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, port, 0, + params->phy_addr, + 5, + (MDIO_REG_BANK_AER_BLOCK + + (MDIO_AER_BLOCK_AER_REG & 0xf)), + 0x2800); + + bnx2x_cl45_write(bp, port, 0, + params->phy_addr, + 5, + (MDIO_REG_BANK_CL73_IEEEB0 + + (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), + 0x6041); + + /* set aer mmd back */ + bnx2x_set_aer_mmd(params, vars); + + /* and md_devad */ + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, + md_devad); + + } else { + u16 mii_control; + + DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); + + CL45_RD_OVER_CL22(bp, port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, + &mii_control); + + CL45_WR_OVER_CL22(bp, port, + params->phy_addr, + MDIO_REG_BANK_COMBO_IEEE0, + MDIO_COMBO_IEEE0_MII_CONTROL, + (mii_control | + MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK)); + } +} + + +static void bnx2x_ext_phy_loopback(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u8 ext_phy_addr; + u32 ext_phy_type; + + if (params->switch_cfg == SWITCH_CFG_10G) { + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); + /* CL37 Autoneg Enabled */ + ext_phy_addr = ((params->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN: + DP(NETIF_MSG_LINK, + "ext_phy_loopback: We should not get here\n"); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + DP(NETIF_MSG_LINK, "ext_phy_loopback: 8705\n"); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + DP(NETIF_MSG_LINK, "ext_phy_loopback: 8706\n"); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + /* SFX7101_XGXS_TEST1 */ + bnx2x_cl45_write(bp, params->port, ext_phy_type, + ext_phy_addr, + MDIO_XS_DEVAD, + MDIO_XS_SFX7101_XGXS_TEST1, + 0x100); + DP(NETIF_MSG_LINK, + "ext_phy_loopback: set ext phy loopback\n"); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + + break; + } /* switch external PHY type */ + } else { + /* serdes */ + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); + ext_phy_addr = (params->ext_phy_config & + PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) + >> PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT; + } +} + + +/* + *------------------------------------------------------------------------ + * bnx2x_override_led_value - + * + * Override the led value of the requsted 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 bnx2x *bp, u8 port, u8 mode, u32 speed, + u16 hw_led_mode, u32 chip_id) +{ + u8 rc = 0; + 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); + break; + + case LED_MODE_OPER: + 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); + if (((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, params->port, + params->phy_addr, + 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) && + bnx2x_ext_phy_is_link_up(params, vars)) + 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; + + /* Activate the external PHY */ + bnx2x_ext_phy_reset(params, vars); + + bnx2x_set_aer_mmd(params, vars); + + if (vars->phy_flags & PHY_XGXS_FLAG) + bnx2x_set_master_ln(params); + + rc = bnx2x_reset_unicore(params); + /* reset the SerDes and wait for reset bit return low */ + if (rc != 0) + return rc; + + bnx2x_set_aer_mmd(params, vars); + + /* setting the masterLn_def again after the reset */ + if (vars->phy_flags & PHY_XGXS_FLAG) { + bnx2x_set_master_ln(params); + bnx2x_set_swap_lanes(params); + } + + /* Set Parallel Detect */ + if (params->req_line_speed == SPEED_AUTO_NEG) + bnx2x_set_parallel_detection(params, vars->phy_flags); + + if (vars->phy_flags & PHY_XGXS_FLAG) { + if (params->req_line_speed && + ((params->req_line_speed == SPEED_100) || + (params->req_line_speed == SPEED_10))) { + vars->phy_flags |= PHY_SGMII_FLAG; + } else { + vars->phy_flags &= ~PHY_SGMII_FLAG; + } + } + + if (!(vars->phy_flags & PHY_SGMII_FLAG)) { + u16 bank, rx_eq; + + rx_eq = ((params->serdes_config & + PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> + PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); + + DP(NETIF_MSG_LINK, "setting rx eq to 0x%x\n", rx_eq); + for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; + bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0)) { + CL45_WR_OVER_CL22(bp, port, + params->phy_addr, + bank , + MDIO_RX0_RX_EQ_BOOST, + ((rx_eq & + MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | + MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); + } + + /* forced speed requested? */ + if (params->req_line_speed != SPEED_AUTO_NEG) { + DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); + + /* disable autoneg */ + bnx2x_set_autoneg(params, vars); + + /* program speed and duplex */ + bnx2x_program_serdes(params); + vars->ieee_fc = + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + + } else { /* AN_mode */ + DP(NETIF_MSG_LINK, "not SGMII, AN\n"); + + /* AN enabled */ + bnx2x_set_brcm_cl37_advertisment(params); + + /* program duplex & pause advertisement (for aneg) */ + bnx2x_set_ieee_aneg_advertisment(params, + &vars->ieee_fc); + + /* enable autoneg */ + bnx2x_set_autoneg(params, vars); + + /* enable and restart AN */ + bnx2x_restart_autoneg(params); + } + + } else { /* SGMII mode */ + DP(NETIF_MSG_LINK, "SGMII\n"); + + bnx2x_initialize_sgmii_process(params); + } + + /* init ext phy and enable link state int */ + rc |= bnx2x_ext_phy_init(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; + +} + + +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; + if (params->switch_cfg == SWITCH_CFG_1G) + vars->phy_flags = PHY_SERDES_FLAG; + else + vars->phy_flags = PHY_XGXS_FLAG; + + /* 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 (CHIP_REV_IS_FPGA(bp)) { + vars->link_up = 1; + vars->line_speed = SPEED_10000; + vars->duplex = DUPLEX_FULL; + vars->flow_ctrl = FLOW_CTRL_NONE; + vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD); + + 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 = 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 = 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 = 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->line_speed, + vars->duplex); + 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 = FLOW_CTRL_NONE; + + vars->phy_flags = PHY_XGXS_FLAG; + + val = REG_RD(bp, + NIG_REG_XGXS0_CTRL_PHY_ADDR+ + params->port*0x18); + params->phy_addr = (u8)val; + + 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 */ + bnx2x_set_xgxs_loopback(params, vars, 1); + } else { + /* set external phy loopback */ + bnx2x_ext_phy_loopback(params); + } + REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + + params->port*4, 0); + } else + /* No loopback */ + { + + bnx2x_phy_deassert(params, vars->phy_flags); + switch (params->switch_cfg) { + case SWITCH_CFG_1G: + vars->phy_flags |= PHY_SERDES_FLAG; + if ((params->ext_phy_config & + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) == + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482) { + vars->phy_flags |= + PHY_SGMII_FLAG; + } + + val = REG_RD(bp, + NIG_REG_SERDES0_CTRL_PHY_ADDR+ + params->port*0x10); + + params->phy_addr = (u8)val; + + break; + case SWITCH_CFG_10G: + vars->phy_flags |= PHY_XGXS_FLAG; + val = REG_RD(bp, + NIG_REG_XGXS0_CTRL_PHY_ADDR+ + params->port*0x18); + params->phy_addr = (u8)val; + + break; + default: + DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); + return -EINVAL; + break; + } + + bnx2x_link_initialize(params, vars); + bnx2x_link_int_enable(params); + } + return 0; +} + +u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars) +{ + + struct bnx2x *bp = params->bp; + u32 ext_phy_config = params->ext_phy_config; + u16 hw_led_mode = params->hw_led_mode; + u32 chip_id = params->chip_id; + u8 port = params->port; + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); + /* 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(bp, port, LED_MODE_OFF, 0, hw_led_mode, chip_id); + if (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) { + if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) { + /* HW reset */ + + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + + DP(NETIF_MSG_LINK, "reset external PHY\n"); + } else { + + u8 ext_phy_addr = ((ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + /* SW reset */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + 1<<15); + + /* Set Low Power Mode */ + bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_CTRL, + 1<<11); + + + if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + DP(NETIF_MSG_LINK, "Setting 8073 port %d into" + "low power mode\n", + port); + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + } + } + } + /* reset the SerDes/XGXS */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, + (0x1ff << (port*16))); + + /* 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; +} + +/* This function should called upon link interrupt */ +/* In case vars->link_up, driver needs to + 1. Update the pbf + 2. Disable drain + 3. Update the shared memory + 4. Indicate link up + 5. Set LEDs + Otherwise, + 1. Update shared memory + 2. Reset BigMac + 3. Report link down + 4. Unset LEDs +*/ +u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u16 i; + u16 gp_status; + u16 link_10g; + u8 rc = 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)); + + 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)); + + + /* avoid fast toggling */ + for (i = 0; i < 10; i++) { + msleep(10); + CL45_RD_OVER_CL22(bp, port, params->phy_addr, + MDIO_REG_BANK_GP_STATUS, + MDIO_GP_STATUS_TOP_AN_STATUS1, + &gp_status); + } + + rc = bnx2x_link_settings_status(params, vars, gp_status); + if (rc != 0) + return rc; + + /* 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); + + /* link is up only if both local phy and external phy are up */ + vars->link_up = (vars->phy_link_up && + bnx2x_ext_phy_is_link_up(params, vars)); + + if (!vars->phy_link_up && + REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18)) { + bnx2x_ext_phy_is_link_up(params, vars); /* Clear interrupt */ + } + + if (vars->link_up) { + vars->link_status |= LINK_STATUS_LINK_UP; + if (link_10g) { + bnx2x_bmac_enable(params, vars, 0); + bnx2x_set_led(bp, port, LED_MODE_OPER, + SPEED_10000, params->hw_led_mode, + params->chip_id); + + } else { + bnx2x_emac_enable(params, vars, 0); + rc = bnx2x_emac_program(params, vars->line_speed, + vars->duplex); + + /* AN complete? */ + if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { + if (!(vars->phy_flags & + PHY_SGMII_FLAG)) + bnx2x_set_sgmii_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); + + } else { /* link down */ + DP(NETIF_MSG_LINK, "Port %x: Link is down\n", params->port); + bnx2x_set_led(bp, port, LED_MODE_OFF, + 0, params->hw_led_mode, + params->chip_id); + + /* indicate no mac active */ + vars->mac_type = MAC_TYPE_NONE; + + /* update shared memory */ + vars->link_status = 0; + bnx2x_update_mng(params, vars->link_status); + + /* activate nig drain */ + REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + + /* 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 rc; +} + +static void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr) +{ + u16 val, cnt; + + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + phy_addr, + 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, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7101_RESET, + (val | (1<<15))); + /* Wait for clear */ + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7101_RESET, &val); + + if ((val & (1<<15)) == 0) + break; + } +} +#define RESERVED_SIZE 256 +/* max application is 160K bytes - data at end of RAM */ +#define MAX_APP_SIZE 160*1024 - RESERVED_SIZE + +/* Header is 14 bytes */ +#define HEADER_SIZE 14 +#define DATA_OFFSET HEADER_SIZE + +#define SPI_START_TRANSFER(bp, port, ext_phy_addr) \ + bnx2x_cl45_write(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, \ + ext_phy_addr, \ + MDIO_PCS_DEVAD, \ + MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 1) + +/* Programs an image to DSP's flash via the SPI port*/ +static u8 bnx2x_sfx7101_flash_download(struct bnx2x *bp, u8 port, + u8 ext_phy_addr, + char data[], u32 size) +{ + const u16 num_trans = size/4; /* 4 bytes can be sent at a time */ + /* Doesn't include last trans!*/ + const u16 last_trans_size = size%4; /* Num bytes on last trans */ + u16 trans_cnt, byte_cnt; + u32 data_index; + u16 tmp; + u16 code_started = 0; + u16 image_revision1, image_revision2; + u16 cnt; + + DP(NETIF_MSG_LINK, "bnx2x_sfx7101_flash_download file_size=%d\n", size); + /* Going to flash*/ + if ((size-HEADER_SIZE) > MAX_APP_SIZE) { + /* This very often will be the case, because the image is built + with 160Kbytes size whereas the total image size must actually + be 160Kbytes-RESERVED_SIZE */ + DP(NETIF_MSG_LINK, "Warning, file size was %d bytes " + "truncated to %d bytes\n", size, MAX_APP_SIZE); + size = MAX_APP_SIZE+HEADER_SIZE; + } + DP(NETIF_MSG_LINK, "File version is %c%c\n", data[0x14e], data[0x14f]); + DP(NETIF_MSG_LINK, " %c%c\n", data[0x150], data[0x151]); + /* Put the DSP in download mode by setting FLASH_CFG[2] to 1 + and issuing a reset.*/ + + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, + MISC_REGISTERS_GPIO_HIGH); + + bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr); + + /* wait 0.5 sec */ + for (cnt = 0; cnt < 100; cnt++) + msleep(5); + + /* Make sure we can access the DSP + And it's in the correct mode (waiting for download) */ + + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_DSP_ACCESS, &tmp); + + if (tmp != 0x000A) { + DP(NETIF_MSG_LINK, "DSP is not in waiting on download mode. " + "Expected 0x000A, read 0x%04X\n", tmp); + DP(NETIF_MSG_LINK, "Download failed\n"); + return -EINVAL; + } + + /* Mux the SPI interface away from the internal processor */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_MUX, 1); + + /* Reset the SPI port */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0); + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_CTRL_ADDR, + (1<<MDIO_PCS_REG_7101_SPI_RESET_BIT)); + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0); + + /* Erase the flash */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + 1); + + SPI_START_TRANSFER(bp, port, ext_phy_addr); + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + 1); + SPI_START_TRANSFER(bp, port, ext_phy_addr); + + /* Wait 10 seconds, the maximum time for the erase to complete */ + DP(NETIF_MSG_LINK, "Erasing flash, this takes 10 seconds...\n"); + for (cnt = 0; cnt < 1000; cnt++) + msleep(10); + + DP(NETIF_MSG_LINK, "Downloading flash, please wait...\n"); + data_index = 0; + for (trans_cnt = 0; trans_cnt < num_trans; trans_cnt++) { + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + 1); + SPI_START_TRANSFER(bp, port, ext_phy_addr); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD); + + /* Bits 23-16 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + (data_index>>16)); + /* Bits 15-8 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + (data_index>>8)); + + /* Bits 7-0 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + ((u16)data_index)); + + byte_cnt = 0; + while (byte_cnt < 4 && data_index < size) { + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + data[data_index++]); + byte_cnt++; + } + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + byte_cnt+4); + + SPI_START_TRANSFER(bp, port, ext_phy_addr); + msleep(5); /* Wait 5 ms minimum between transs */ + + /* Let the user know something's going on.*/ + /* a pacifier ever 4K */ + if ((data_index % 1023) == 0) + DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size); + } + + DP(NETIF_MSG_LINK, "\n"); + /* Transfer the last block if there is data remaining */ + if (last_trans_size) { + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + 1); + + SPI_START_TRANSFER(bp, port, ext_phy_addr); + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD); + + /* Bits 23-16 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + (data_index>>16)); + /* Bits 15-8 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + (data_index>>8)); + + /* Bits 7-0 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + ((u16)data_index)); + + byte_cnt = 0; + while (byte_cnt < last_trans_size && data_index < size) { + /* Bits 7-0 of address */ + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_FIFO_ADDR, + data[data_index++]); + byte_cnt++; + } + + bnx2x_cl45_write(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR, + byte_cnt+4); + + SPI_START_TRANSFER(bp, port, ext_phy_addr); + } + + /* DSP Remove Download Mode */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, MISC_REGISTERS_GPIO_LOW); + + bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr); + + /* wait 0.5 sec to allow it to run */ + for (cnt = 0; cnt < 100; cnt++) + msleep(5); + + bnx2x_hw_reset(bp); + + for (cnt = 0; cnt < 100; cnt++) + msleep(5); + + /* Check that the code is started. In case the download + checksum failed, the code won't be started. */ + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PCS_DEVAD, + MDIO_PCS_REG_7101_DSP_ACCESS, + &tmp); + + code_started = (tmp & (1<<4)); + if (!code_started) { + DP(NETIF_MSG_LINK, "Download failed. Please check file.\n"); + return -EINVAL; + } + + /* Verify that the file revision is now equal to the image + revision within the DSP */ + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7101_VER1, + &image_revision1); + + bnx2x_cl45_read(bp, port, + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_addr, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_7101_VER2, + &image_revision2); + + if (data[0x14e] != (image_revision2&0xFF) || + data[0x14f] != ((image_revision2&0xFF00)>>8) || + data[0x150] != (image_revision1&0xFF) || + data[0x151] != ((image_revision1&0xFF00)>>8)) { + DP(NETIF_MSG_LINK, "Download failed.\n"); + return -EINVAL; + } + DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size); + return 0; +} + +u8 bnx2x_flash_download(struct bnx2x *bp, u8 port, u32 ext_phy_config, + u8 driver_loaded, char data[], u32 size) +{ + u8 rc = 0; + u32 ext_phy_type; + u8 ext_phy_addr; + ext_phy_addr = ((ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); + + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + DP(NETIF_MSG_LINK, + "Flash download not supported for this ext phy\n"); + rc = -EINVAL; + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + /* Take ext phy out of reset */ + if (!driver_loaded) + bnx2x_turn_on_sf(bp, port, ext_phy_addr); + rc = bnx2x_sfx7101_flash_download(bp, port, ext_phy_addr, + data, size); + if (!driver_loaded) + bnx2x_turn_off_sf(bp); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN: + default: + DP(NETIF_MSG_LINK, "Invalid ext phy type\n"); + rc = -EINVAL; + break; + } + return rc; +} + diff --git a/drivers/net/bnx2x_link.h b/drivers/net/bnx2x_link.h new file mode 100644 index 000000000000..714d37ac95de --- /dev/null +++ b/drivers/net/bnx2x_link.h @@ -0,0 +1,168 @@ +/* Copyright 2008 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 + * + */ + +#ifndef BNX2X_LINK_H +#define BNX2X_LINK_H + + + +/***********************************************************/ +/* Defines */ +/***********************************************************/ +#define DEFAULT_PHY_DEV_ADDR 3 + + + +#define FLOW_CTRL_AUTO PORT_FEATURE_FLOW_CONTROL_AUTO +#define FLOW_CTRL_TX PORT_FEATURE_FLOW_CONTROL_TX +#define FLOW_CTRL_RX PORT_FEATURE_FLOW_CONTROL_RX +#define FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH +#define FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE + +#define SPEED_AUTO_NEG 0 +#define SPEED_12000 12000 +#define SPEED_12500 12500 +#define SPEED_13000 13000 +#define SPEED_15000 15000 +#define SPEED_16000 16000 + + +/***********************************************************/ +/* Structs */ +/***********************************************************/ +/* Inputs parameters to the CLC */ +struct link_params { + + u8 port; + + /* Default / User Configuration */ + u8 loopback_mode; +#define LOOPBACK_NONE 0 +#define LOOPBACK_EMAC 1 +#define LOOPBACK_BMAC 2 +#define LOOPBACK_XGXS_10 3 +#define LOOPBACK_EXT_PHY 4 + + u16 req_duplex; + u16 req_flow_ctrl; + u16 req_line_speed; /* Also determine AutoNeg */ + + /* Device parameters */ + u8 mac_addr[6]; + u16 mtu; + + + /* shmem parameters */ + u32 shmem_base; + u32 speed_cap_mask; + u32 switch_cfg; +#define SWITCH_CFG_1G PORT_FEATURE_CON_SWITCH_1G_SWITCH +#define SWITCH_CFG_10G PORT_FEATURE_CON_SWITCH_10G_SWITCH +#define SWITCH_CFG_AUTO_DETECT PORT_FEATURE_CON_SWITCH_AUTO_DETECT + + u16 hw_led_mode; /* part of the hw_config read from the shmem */ + u32 serdes_config; + u32 lane_config; + u32 ext_phy_config; +#define XGXS_EXT_PHY_TYPE(ext_phy_config) (ext_phy_config & \ + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK) +#define SERDES_EXT_PHY_TYPE(ext_phy_config) (ext_phy_config & \ + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) + /* Phy register parameter */ + u32 chip_id; + + /* phy_addr populated by the CLC */ + u8 phy_addr; + /* Device pointer passed to all callback functions */ + struct bnx2x *bp; +}; + +/* Output parameters */ +struct link_vars { + u8 phy_link_up; /* internal phy link indication */ + u8 link_up; + u16 duplex; + u16 flow_ctrl; + u32 ieee_fc; + u8 mac_type; + +#define MAC_TYPE_NONE 0 +#define MAC_TYPE_EMAC 1 +#define MAC_TYPE_BMAC 2 + u16 line_speed; + u32 autoneg; +#define AUTO_NEG_DISABLED 0x0 +#define AUTO_NEG_ENABLED 0x1 +#define AUTO_NEG_COMPLETE 0x2 +#define AUTO_NEG_PARALLEL_DETECTION_USED 0x3 + + u8 phy_flags; + + /* The same definitions as the shmem parameter */ + u32 link_status; +}; + +/***********************************************************/ +/* Functions */ +/***********************************************************/ + +/* Initialize the phy */ +u8 bnx2x_phy_init(struct link_params *input, struct link_vars *output); + +/* Reset the link. Should be called when driver or interface goes down */ +u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars); + +/* bnx2x_link_update should be called upon link interrupt */ +u8 bnx2x_link_update(struct link_params *input, struct link_vars *output); + +/* use the following cl45 functions to read/write from external_phy + In order to use it to read/write internal phy registers, use + DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as + Use ext_phy_type of 0 in case of cl22 over cl45 + the register */ +u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 *ret_val); + +u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 val); + +/* Reads the link_status from the shmem, + and update the link vars accordinaly */ +void bnx2x_link_status_update(struct link_params *input, + struct link_vars *output); +/* returns string representing the fw_version of the external phy */ +u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, + u8 *version, u16 len); + +/* Set/Unset the led + Basically, the CLC takes care of the led for the link, but in case one needs + to set/unset the led unnatually, set the "mode" to LED_MODE_OPER to + blink the led, and LED_MODE_OFF to set the led off.*/ +u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed, + u16 hw_led_mode, u32 chip_id); +#define LED_MODE_OFF 0 +#define LED_MODE_OPER 2 + +u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, u32 led_idx, u32 value); + +u8 bnx2x_flash_download(struct bnx2x *bp, u8 port, u32 ext_phy_config, + u8 driver_loaded, char data[], u32 size); +/* Get the actual link status. In case it returns 0, link is up, + otherwise link is down*/ +u8 bnx2x_test_link(struct link_params *input, struct link_vars *vars); + + +#endif /* BNX2X_LINK_H */ |