diff options
Diffstat (limited to 'drivers/net/bnx2x_link.c')
| -rw-r--r-- | drivers/net/bnx2x_link.c | 66 |
1 files changed, 47 insertions, 19 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index 67de94f1f30e..aea26b4dc453 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -1,4 +1,4 @@ -/* Copyright 2008 Broadcom Corporation +/* Copyright 2008-2009 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -317,6 +317,9 @@ static u8 bnx2x_emac_enable(struct link_params *params, val &= ~0x810; EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); + /* enable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); + /* enable emac for jumbo packets */ EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, (EMAC_RX_MTU_SIZE_JUMBO_ENA | @@ -1609,7 +1612,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, u32 gp_status) { struct bnx2x *bp = params->bp; - + u16 new_line_speed; u8 rc = 0; vars->link_status = 0; @@ -1629,7 +1632,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, switch (gp_status & GP_STATUS_SPEED_MASK) { case GP_STATUS_10M: - vars->line_speed = SPEED_10; + new_line_speed = SPEED_10; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_10TFD; else @@ -1637,7 +1640,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_100M: - vars->line_speed = SPEED_100; + new_line_speed = SPEED_100; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_100TXFD; else @@ -1646,7 +1649,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_1G: case GP_STATUS_1G_KX: - vars->line_speed = SPEED_1000; + new_line_speed = SPEED_1000; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_1000TFD; else @@ -1654,7 +1657,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_2_5G: - vars->line_speed = SPEED_2500; + new_line_speed = SPEED_2500; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_2500TFD; else @@ -1671,32 +1674,32 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_10G_KX4: case GP_STATUS_10G_HIG: case GP_STATUS_10G_CX4: - vars->line_speed = SPEED_10000; + new_line_speed = SPEED_10000; vars->link_status |= LINK_10GTFD; break; case GP_STATUS_12G_HIG: - vars->line_speed = SPEED_12000; + new_line_speed = SPEED_12000; vars->link_status |= LINK_12GTFD; break; case GP_STATUS_12_5G: - vars->line_speed = SPEED_12500; + new_line_speed = SPEED_12500; vars->link_status |= LINK_12_5GTFD; break; case GP_STATUS_13G: - vars->line_speed = SPEED_13000; + new_line_speed = SPEED_13000; vars->link_status |= LINK_13GTFD; break; case GP_STATUS_15G: - vars->line_speed = SPEED_15000; + new_line_speed = SPEED_15000; vars->link_status |= LINK_15GTFD; break; case GP_STATUS_16G: - vars->line_speed = SPEED_16000; + new_line_speed = SPEED_16000; vars->link_status |= LINK_16GTFD; break; @@ -1708,6 +1711,15 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; } + /* Upon link speed change set the NIG into drain mode. + Comes to deals with possible FIFO glitch due to clk change + when speed is decreased without link down indicator */ + if (new_line_speed != vars->line_speed) { + REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + + params->port*4, 0); + msleep(1); + } + vars->line_speed = new_line_speed; vars->link_status |= LINK_STATUS_SERDES_LINK; if ((params->req_line_speed == SPEED_AUTO_NEG) && @@ -3359,7 +3371,7 @@ static u8 bnx2x_format_ver(u32 num, u8 *str, u16 len) u8 shift = 8*4; u8 digit; if (len < 10) { - /* Need more then 10chars for this format */ + /* Need more than 10chars for this format */ *str_ptr = '\0'; return -EINVAL; } @@ -3571,7 +3583,7 @@ static void bnx2x_set_xgxs_loopback(struct link_params *params, (MDIO_REG_BANK_CL73_IEEEB0 + (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 0x6041); - + msleep(200); /* set aer mmd back */ bnx2x_set_aer_mmd(params, vars); @@ -3870,9 +3882,15 @@ static u8 bnx2x_link_initialize(struct link_params *params, } if (vars->phy_flags & PHY_XGXS_FLAG) { - if (params->req_line_speed && + if ((params->req_line_speed && ((params->req_line_speed == SPEED_100) || - (params->req_line_speed == SPEED_10))) { + (params->req_line_speed == SPEED_10))) || + (!params->req_line_speed && + (params->speed_cap_mask >= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && + (params->speed_cap_mask < + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) + )) { vars->phy_flags |= PHY_SGMII_FLAG; } else { vars->phy_flags &= ~PHY_SGMII_FLAG; @@ -4194,6 +4212,11 @@ static u8 bnx2x_update_link_down(struct link_params *params, /* activate nig drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + + msleep(10); + /* reset BigMac */ bnx2x_bmac_rx_disable(bp, params->port); REG_WR(bp, GRCBASE_MISC + @@ -4238,6 +4261,7 @@ static u8 bnx2x_update_link_up(struct link_params *params, /* update shared memory */ bnx2x_update_mng(params, vars->link_status); + msleep(20); return rc; } /* This function should called upon link interrupt */ @@ -4276,6 +4300,9 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); /* Check external link change only for non-direct */ @@ -4377,10 +4404,11 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base) ext_phy_addr[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &fw_ver1); - if (fw_ver1 == 0) { + if (fw_ver1 == 0 || fw_ver1 == 0x4321) { DP(NETIF_MSG_LINK, - "bnx2x_8073_common_init_phy port %x " - "fw Download failed\n", port); + "bnx2x_8073_common_init_phy port %x:" + "Download failed. fw version = 0x%x\n", + port, fw_ver1); return -EINVAL; } |