diff options
Diffstat (limited to 'target/linux/ramips')
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c index 7c91e5840b..615544cb17 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c @@ -61,26 +61,20 @@ static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv) return IRQ_HANDLED; } -static void mt7620_hw_init(struct mt7620_gsw *gsw) +static void mt7620_ephy_init(struct mt7620_gsw *gsw) { u32 i; u32 val; u32 is_BGA = (rt_sysc_r32(SYSC_REG_CHIP_REV_ID) >> 16) & 1; - /* Internal ethernet requires PCIe RC mode */ - rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | PCIE_RC_MODE, SYSC_REG_CFG1); - - mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR); - - /* Enable MIB stats */ - mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN); - if (gsw->ephy_disable) { mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) | (gsw->ephy_base << 16) | (0x1f << 24), GSW_REG_GPC1); pr_info("gsw: internal ephy disabled\n"); + + return; } else if (gsw->ephy_base) { mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) | (gsw->ephy_base << 16), @@ -158,12 +152,6 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw) _mt7620_mii_write(gsw, gsw->ephy_base + 2, 16, 0x1515); _mt7620_mii_write(gsw, gsw->ephy_base + 3, 16, 0x0f0f); - /* CPU Port6 Force Link 1G, FC ON */ - mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6)); - - /* Set Port 6 as CPU Port */ - mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010); - /* setup port 4 */ if (gsw->port4_ephy) { val = rt_sysc_r32(SYSC_REG_CFG1); @@ -177,6 +165,24 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw) } } +static void mt7620_mac_init(struct mt7620_gsw *gsw) +{ + /* Internal ethernet requires PCIe RC mode */ + rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | PCIE_RC_MODE, SYSC_REG_CFG1); + + /* Keep Global Clocks on Idle traffic */ + mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR); + + /* Set Port 6 to Force Link 1G, Flow Control ON */ + mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6)); + + /* Set Port 6 as CPU Port */ + mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010); + + /* Enable MIB stats */ + mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN); +} + static const struct of_device_id mediatek_gsw_match[] = { { .compatible = "mediatek,mt7620-gsw" }, {}, @@ -222,7 +228,9 @@ int mtk_gsw_init(struct fe_priv *priv) else gsw->ephy_base = 0; - mt7620_hw_init(gsw); + mt7620_mac_init(gsw); + + mt7620_ephy_init(gsw); if (gsw->irq) { request_irq(gsw->irq, gsw_interrupt_mt7620, 0, |