net/fm: Add QSGMII PCS init
QSGMII PCS needed to be programmed same as SGMII PCS, and there are
four ports in QSGMII PCS, port 0, 1, 2, 3, all the four ports shared
port 0's MDIO controller, so when programming port 0, we continue to
program other three ports.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
index ec0a3cb..eb8e936 100644
--- a/drivers/net/fm/eth.c
+++ b/drivers/net/fm/eth.c
@@ -41,28 +41,35 @@
bus.priv = priv->mac->phyregs;
bool sgmii_2500 = (priv->enet_if ==
PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
+ int i = 0;
+qsgmii_loop:
/* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
value = PHY_SGMII_IF_MODE_SGMII;
if (!sgmii_2500)
value |= PHY_SGMII_IF_MODE_AN;
- memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
+ memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x14, value);
/* Dev ability according to SGMII specification */
value = PHY_SGMII_DEV_ABILITY_SGMII;
- memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value);
+ memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x4, value);
/* Adjust link timer for SGMII -
1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
- memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3);
- memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
+ memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x3);
+ memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xd40);
/* Restart AN */
value = PHY_SGMII_CR_DEF_VAL;
if (!sgmii_2500)
value |= PHY_SGMII_CR_RESET_AN;
- memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
+ memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0, value);
+
+ if ((priv->enet_if == PHY_INTERFACE_MODE_QSGMII) && (i < 3)) {
+ i++;
+ goto qsgmii_loop;
+ }
#else
struct dtsec *regs = priv->mac->base;
struct tsec_mii_mng *phyregs = priv->mac->phyregs;
@@ -91,6 +98,7 @@
#endif
if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
+ fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII ||
fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
dtsec_configure_serdes(fm_eth);
}