From: Yaniv Rosner Date: Wed, 4 Apr 2012 01:28:57 +0000 (+0000) Subject: bnx2x: Fix BCM578x0-SFI pre-emphasis settings X-Git-Tag: v3.4-rc2~11^2~21 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=25182fc22237f0fb1789c7ac9a79e871a1898ae5;p=~emulex%2Finfiniband.git bnx2x: Fix BCM578x0-SFI pre-emphasis settings Fix 578x0-SFI pre-emphasis settings per HW recommendations to achieve better link strength. Signed-off-by: Yaniv Rosner Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index ce0b0c220e6..1e2fea37eec 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3994,13 +3994,13 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy, } else { misc1_val |= 0x9; - tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | - (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | - (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); + tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | + (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | + (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); tx_driver_val = - ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | + ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | - (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); + (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); } bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);