bnx2x: Pre emphasis configuration
Supporting non-default pre-emphasis settings for the internal and some external
PHYs
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>
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 0d2d556..60a4e94 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -7550,6 +7550,15 @@
SHARED_HW_CFG_LED_MODE_MASK) >>
SHARED_HW_CFG_LED_MODE_SHIFT);
+ bp->link_params.feature_config_flags = 0;
+ val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
+ if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
+ bp->link_params.feature_config_flags |=
+ FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
+ else
+ bp->link_params.feature_config_flags &=
+ ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
+
val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
bp->common.bc_ver = val;
BNX2X_DEV_INFO("bc_ver %X\n", val);
@@ -7972,12 +7981,11 @@
int port = BP_PORT(bp);
u32 val, val2;
u32 config;
+ u16 i;
bp->link_params.bp = bp;
bp->link_params.port = port;
- bp->link_params.serdes_config =
- SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
bp->link_params.lane_config =
SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
bp->link_params.ext_phy_config =
@@ -7990,6 +7998,19 @@
bp->port.link_config =
SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
+ /* Get the 4 lanes xgxs config rx and tx */
+ for (i = 0; i < 2; i++) {
+ val = SHMEM_RD(bp,
+ dev_info.port_hw_config[port].xgxs_config_rx[i<<1]);
+ bp->link_params.xgxs_config_rx[i << 1] = ((val>>16) & 0xffff);
+ bp->link_params.xgxs_config_rx[(i << 1) + 1] = (val & 0xffff);
+
+ val = SHMEM_RD(bp,
+ dev_info.port_hw_config[port].xgxs_config_tx[i<<1]);
+ bp->link_params.xgxs_config_tx[i << 1] = ((val>>16) & 0xffff);
+ bp->link_params.xgxs_config_tx[(i << 1) + 1] = (val & 0xffff);
+ }
+
config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
if (config & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_ENABLED)
bp->link_params.feature_config_flags |=
@@ -7998,10 +8019,8 @@
bp->link_params.feature_config_flags &=
~FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED;
- BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
- KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
- " link_config 0x%08x\n",
- bp->link_params.serdes_config,
+ BNX2X_DEV_INFO("lane_config 0x%08x ext_phy_config 0x%08x"
+ " speed_cap_mask 0x%08x link_config 0x%08x\n",
bp->link_params.lane_config,
bp->link_params.ext_phy_config,
bp->link_params.speed_cap_mask, bp->port.link_config);