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bnx2x: Fix BCM578x0-SFI pre-emphasis settings

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Fix 578x0-SFI pre-emphasis settings per HW recommendations to achieve better
link strength.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2012-04-04 01:28:57 +00:00 committed by David S. Miller
parent 6a51c0d17b
commit 25182fc222
1 changed files with 5 additions and 5 deletions
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10
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
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@ -3994,13 +3994,13 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
} else { } else {
misc1_val |= 0x9; misc1_val |= 0x9;
tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
(0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
(0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
tx_driver_val = 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_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, bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);