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authorYaniv Rosner <yanivr@broadcom.com>2012-04-04 01:28:56 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-04 18:24:22 -0400
commit6a51c0d17b8fb6ae300ba5bc42a020160944e1b2 (patch)
tree92867f5a1a5c3e17e791919a154d9a41903ca26e /drivers/net
parentca05f29cf515ac4a8e162c8e0eee886727f5dcc7 (diff)
bnx2x: Fix BCM57810-KR AN speed transition
BCM57810-KR link may not come up in 1G after running loopback test, so set the relevant registers to their default values before starting KR autoneg. 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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 8c00bbc9403..ce0b0c220e6 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -3732,7 +3732,23 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
u16 val16 = 0, lane, bam37 = 0;
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
-
+ /* Set to default registers that may be overriden by 10G force */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_CONTROL, 0x7415);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
/* Disable Autoneg: re-enable it after adv is done. */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
@@ -4402,7 +4418,7 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
switch (serdes_net_if) {
case PORT_HW_CFG_NET_SERDES_IF_KR:
/* Enable KR Auto Neg */
- if (params->loopback_mode == LOOPBACK_NONE)
+ if (params->loopback_mode != LOOPBACK_EXT)
bnx2x_warpcore_enable_AN_KR(phy, params, vars);
else {
DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");