net: mediatek: add support for XGMII interface
This patch add XGMII support for connecting 2.5G PHY.
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c
index 726aeda..75e7bcf 100644
--- a/drivers/net/mtk_eth.c
+++ b/drivers/net/mtk_eth.c
@@ -1246,7 +1246,8 @@
}
if (!priv->force_mode) {
- if (priv->phy_interface == PHY_INTERFACE_MODE_USXGMII)
+ if (priv->phy_interface == PHY_INTERFACE_MODE_USXGMII ||
+ priv->phy_interface == PHY_INTERFACE_MODE_XGMII)
mtk_xphy_link_adjust(priv);
else
mtk_phy_link_adjust(priv);
@@ -1516,7 +1517,7 @@
static void mtk_xmac_init(struct mtk_eth_priv *priv)
{
- u32 sts;
+ u32 force_link = 0;
switch (priv->phy_interface) {
case PHY_INTERFACE_MODE_USXGMII:
@@ -1531,15 +1532,19 @@
SYSCFG0_GE_MODE_M << SYSCFG0_GE_MODE_S(priv->gmac_id),
0);
- if (priv->gmac_id == 1) {
+ if (priv->phy_interface == PHY_INTERFACE_MODE_USXGMII &&
+ priv->gmac_id == 1) {
mtk_infra_rmw(priv, TOPMISC_NETSYS_PCS_MUX,
NETSYS_PCS_MUX_MASK, MUX_G2_USXGMII_SEL);
- } else if (priv->gmac_id == 2) {
- sts = mtk_gmac_read(priv, XGMAC_STS(priv->gmac_id));
- sts |= XGMAC_FORCE_LINK;
- mtk_gmac_write(priv, XGMAC_STS(priv->gmac_id), sts);
}
+ if (priv->phy_interface == PHY_INTERFACE_MODE_XGMII ||
+ priv->gmac_id == 2)
+ force_link = XGMAC_FORCE_LINK(priv->gmac_id);
+
+ mtk_gmac_rmw(priv, XGMAC_STS(priv->gmac_id),
+ XGMAC_FORCE_LINK(priv->gmac_id), force_link);
+
/* Force GMAC link down */
mtk_gmac_write(priv, GMAC_PORT_MCR(priv->gmac_id), FORCE_MODE);
}
@@ -1828,7 +1833,8 @@
mtk_eth_mdc_init(priv);
/* Set MAC mode */
- if (priv->phy_interface == PHY_INTERFACE_MODE_USXGMII)
+ if (priv->phy_interface == PHY_INTERFACE_MODE_USXGMII ||
+ priv->phy_interface == PHY_INTERFACE_MODE_XGMII)
mtk_xmac_init(priv);
else
mtk_mac_init(priv);