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: 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:
parent
8ca60a68a9
commit
eb80ce740a
|
@ -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,
|
||||
|
@ -4253,17 +4255,18 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
|
|||
need to set the 10G registers although it is
|
||||
default */
|
||||
bnx2x_cl45_write(bp, params->port, ext_phy_type,
|
||||
ext_phy_addr, MDIO_AN_DEVAD,
|
||||
MDIO_AN_REG_CTRL, 0x0020);
|
||||
ext_phy_addr, MDIO_AN_DEVAD,
|
||||
MDIO_AN_REG_8727_MISC_CTRL,
|
||||
0x0020);
|
||||
bnx2x_cl45_write(bp, params->port, ext_phy_type,
|
||||
ext_phy_addr, MDIO_AN_DEVAD,
|
||||
0x7, 0x0100);
|
||||
ext_phy_addr, MDIO_AN_DEVAD,
|
||||
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);
|
||||
ext_phy_addr, MDIO_PMA_DEVAD,
|
||||
MDIO_PMA_REG_CTRL, 0x2040);
|
||||
bnx2x_cl45_write(bp, params->port, ext_phy_type,
|
||||
ext_phy_addr, MDIO_PMA_DEVAD,
|
||||
MDIO_PMA_REG_10G_CTRL2, 0x0008);
|
||||
ext_phy_addr, MDIO_PMA_DEVAD,
|
||||
MDIO_PMA_REG_10G_CTRL2, 0x0008);
|
||||
}
|
||||
|
||||
/* Set 2-wire transfer rate of SFP+ module EEPROM
|
||||
|
|
|
@ -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
|
||||
|
|
Loading…
Reference in a new issue