Commit eb80ce74 authored by Yaniv Rosner's avatar Yaniv Rosner Committed by David S. Miller

bnx2x: Fix potential link issue In BCM8727 based boards

In BCM8727 based boards, setting default 10G link speed after link was
set to 1G may lead to link down issue. The problem was setting the right
value, but to the wrong registers
Signed-off-by: default avatarYaniv Rosner <yanivr@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8ca60a68
......@@ -4239,8 +4239,10 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
} else if ((params->req_line_speed ==
SPEED_AUTO_NEG) &&
((params->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
((params->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_AN_DEVAD,
......@@ -4254,10 +4256,11 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
default */
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_AN_DEVAD,
MDIO_AN_REG_CTRL, 0x0020);
MDIO_AN_REG_8727_MISC_CTRL,
0x0020);
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_AN_DEVAD,
0x7, 0x0100);
MDIO_AN_REG_CL37_AN, 0x0100);
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, 0x2040);
......
......@@ -5211,6 +5211,8 @@ Theotherbitsarereservedandshouldbezero*/
#define MDIO_AN_REG_8073_2_5G 0x8329
#define MDIO_AN_REG_8727_MISC_CTRL 0x8309
#define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0
#define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4
#define MDIO_AN_REG_8481_1000T_CTRL 0xffe9
......
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