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authorYaniv Rosner <yanivr@broadcom.com>2012-04-04 03:28:55 +0200
committerDavid S. Miller <davem@davemloft.net>2012-04-05 00:24:22 +0200
commitca05f29cf515ac4a8e162c8e0eee886727f5dcc7 (patch)
tree2a34b5ba619ad1e2c7871181885560c090585f35 /drivers/net
parentbnx2x: PFC fix (diff)
downloadlinux-ca05f29cf515ac4a8e162c8e0eee886727f5dcc7.tar.xz
linux-ca05f29cf515ac4a8e162c8e0eee886727f5dcc7.zip
bnx2x: Fix BCM57810-KR FC
Fix 57810-KR flow-control handling link is achieved via CL37 AN. 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.c27
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h4
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 7e2ebbad7587..8c00bbc94038 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -3655,6 +3655,33 @@ static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
+ } else if (CHIP_IS_E3(bp) &&
+ SINGLE_MEDIA_DIRECT(params)) {
+ u8 lane = bnx2x_get_warpcore_lane(phy, params);
+ u16 gp_status, gp_mask;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
+ &gp_status);
+ gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
+ MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
+ lane;
+ if ((gp_status & gp_mask) == gp_mask) {
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_ADV_PAUSE, &ld_pause);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
+ } else {
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LD, &ld_pause);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LP, &lp_pause);
+ ld_pause = ((ld_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+ << 3);
+ lp_pause = ((lp_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+ << 3);
+ }
} else {
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index ecc7fa6a6ca5..1ea2b956e194 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -6944,6 +6944,10 @@ Theotherbitsarereservedandshouldbezero*/
#define MDIO_WC_REG_GP2_STATUS_GP_2_2 0x81d2
#define MDIO_WC_REG_GP2_STATUS_GP_2_3 0x81d3
#define MDIO_WC_REG_GP2_STATUS_GP_2_4 0x81d4
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
#define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP 0x81EE
#define MDIO_WC_REG_UC_INFO_B1_VERSION 0x81F0
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE 0x81F2