diff options
Diffstat (limited to 'target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek')
| -rw-r--r-- | target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c index a4602c4586..192603a68c 100644 --- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c +++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c @@ -60,7 +60,28 @@ static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv) return IRQ_HANDLED; } -static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np) +static int mt7620_mdio_mode(struct device_node *eth_node) +{ + struct device_node *phy_node, *mdiobus_node; + const __be32 *id; + int ret = 0; + + mdiobus_node = of_get_child_by_name(eth_node, "mdio-bus"); + + if (mdiobus_node) { + for_each_child_of_node(mdiobus_node, phy_node) { + id = of_get_property(phy_node, "reg", NULL); + if (id && (be32_to_cpu(*id) == 0x1f)) + ret = 1; + } + + of_node_put(mdiobus_node); + } + + return ret; +} + +static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode) { u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1; @@ -70,7 +91,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np) /* Enable MIB stats */ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN); - if (of_property_read_bool(np, "mediatek,mt7530")) { + if (mdio_mode) { u32 val; /* turn off ephy and set phy base addr to 12 */ @@ -192,7 +213,7 @@ int mtk_gsw_init(struct fe_priv *priv) gsw = platform_get_drvdata(pdev); priv->soc->swpriv = gsw; - mt7620_hw_init(gsw, np); + mt7620_hw_init(gsw, mt7620_mdio_mode(priv->dev->of_node)); if (gsw->irq) { request_irq(gsw->irq, gsw_interrupt_mt7620, 0, |