From: Shaohui Xie Shaohui.Xie@freescale.com
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 --- V8: - No changes. V7: - No change. V6: - No change. V5: - No change. V4: - Remove the "if(priv->phyaddr%4 != 0)" condition in qsgmii_loop. V3: - No change. V2: - No change.
drivers/net/fm/eth.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)
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 @@ static void dtsec_configure_serdes(struct fm_eth *priv) 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 @@ static void dtsec_init_phy(struct eth_device *dev) #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); }