TSEC: Add the support for RealTek RTL8211B PHY
Add the support of RealTek RTL8211B PHY, the RTL8211B
PHY only supports RGMII and MII mode.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 504f3e5..e91d9ea 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -575,6 +575,63 @@
return 0;
}
+/* Parse the RTL8211B's status register for speed and duplex
+ * information
+ */
+uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv)
+{
+ uint speed;
+
+ mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
+ if ((mii_reg & MIIM_RTL8211B_PHYSTAT_LINK) &&
+ !(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
+ int i = 0;
+
+ puts("Waiting for PHY realtime link");
+ while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
+ /* Timeout reached ? */
+ if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ priv->link = 0;
+ break;
+ }
+
+ if ((i++ % 1000) == 0) {
+ putc('.');
+ }
+ udelay(1000); /* 1 ms */
+ mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
+ }
+ puts(" done\n");
+ udelay(500000); /* another 500 ms (results in faster booting) */
+ } else {
+ if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK)
+ priv->link = 1;
+ else
+ priv->link = 0;
+ }
+
+ if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED);
+
+ switch (speed) {
+ case MIIM_RTL8211B_PHYSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_RTL8211B_PHYSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
+ }
+
+ return 0;
+}
+
/* Parse the cis8201's status register for speed and duplex
* information
*/
@@ -1365,6 +1422,33 @@
},
};
+struct phy_info phy_info_rtl8211b = {
+ 0x001cc91,
+ "RealTek RTL8211B",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
struct phy_info *phy_info[] = {
&phy_info_cis8204,
&phy_info_cis8201,
@@ -1378,6 +1462,7 @@
&phy_info_lxt971,
&phy_info_VSC8244,
&phy_info_dp83865,
+ &phy_info_rtl8211b,
&phy_info_generic,
NULL
};