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-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-common.h2
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c22
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index d272dc6984ac..b40d4377cc71 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -431,8 +431,6 @@
#define MAC_MDIOSCAR_PA_WIDTH 5
#define MAC_MDIOSCAR_RA_INDEX 0
#define MAC_MDIOSCAR_RA_WIDTH 16
-#define MAC_MDIOSCAR_REG_INDEX 0
-#define MAC_MDIOSCAR_REG_WIDTH 21
#define MAC_MDIOSCCDR_BUSY_INDEX 22
#define MAC_MDIOSCCDR_BUSY_WIDTH 1
#define MAC_MDIOSCCDR_CMD_INDEX 16
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index 1e929a1e4ca7..4666084eda16 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -1284,6 +1284,20 @@ static void xgbe_write_mmd_regs(struct xgbe_prv_data *pdata, int prtad,
}
}
+static unsigned int xgbe_create_mdio_sca(int port, int reg)
+{
+ unsigned int mdio_sca, da;
+
+ da = (reg & MII_ADDR_C45) ? reg >> 16 : 0;
+
+ mdio_sca = 0;
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg);
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, PA, port);
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, da);
+
+ return mdio_sca;
+}
+
static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
int reg, u16 val)
{
@@ -1291,9 +1305,7 @@ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
reinit_completion(&pdata->mdio_complete);
- mdio_sca = 0;
- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg);
- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr);
+ mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;
@@ -1317,9 +1329,7 @@ static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
reinit_completion(&pdata->mdio_complete);
- mdio_sca = 0;
- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg);
- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr);
+ mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;