diff options
Diffstat (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_hw.c')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 33850a0f7e82..c31e691d11fc 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -459,6 +459,45 @@ static void xgene_gmac_reset(struct xgene_enet_pdata *pdata) xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, 0); } +static void xgene_enet_configure_clock(struct xgene_enet_pdata *pdata) +{ + struct device *dev = &pdata->pdev->dev; + + if (dev->of_node) { + struct clk *parent = clk_get_parent(pdata->clk); + + switch (pdata->phy_speed) { + case SPEED_10: + clk_set_rate(parent, 2500000); + break; + case SPEED_100: + clk_set_rate(parent, 25000000); + break; + default: + clk_set_rate(parent, 125000000); + break; + } + } +#ifdef CONFIG_ACPI + else { + switch (pdata->phy_speed) { + case SPEED_10: + acpi_evaluate_object(ACPI_HANDLE(dev), + "S10", NULL, NULL); + break; + case SPEED_100: + acpi_evaluate_object(ACPI_HANDLE(dev), + "S100", NULL, NULL); + break; + default: + acpi_evaluate_object(ACPI_HANDLE(dev), + "S1G", NULL, NULL); + break; + } + } +#endif +} + static void xgene_gmac_init(struct xgene_enet_pdata *pdata) { struct device *dev = &pdata->pdev->dev; @@ -477,12 +516,14 @@ static void xgene_gmac_init(struct xgene_enet_pdata *pdata) switch (pdata->phy_speed) { case SPEED_10: ENET_INTERFACE_MODE2_SET(&mc2, 1); + intf_ctl &= ~(ENET_LHD_MODE | ENET_GHD_MODE); CFG_MACMODE_SET(&icm0, 0); CFG_WAITASYNCRD_SET(&icm2, 500); rgmii &= ~CFG_SPEED_1250; break; case SPEED_100: ENET_INTERFACE_MODE2_SET(&mc2, 1); + intf_ctl &= ~ENET_GHD_MODE; intf_ctl |= ENET_LHD_MODE; CFG_MACMODE_SET(&icm0, 1); CFG_WAITASYNCRD_SET(&icm2, 80); @@ -490,12 +531,15 @@ static void xgene_gmac_init(struct xgene_enet_pdata *pdata) break; default: ENET_INTERFACE_MODE2_SET(&mc2, 2); + intf_ctl &= ~ENET_LHD_MODE; intf_ctl |= ENET_GHD_MODE; - + CFG_MACMODE_SET(&icm0, 2); + CFG_WAITASYNCRD_SET(&icm2, 0); if (dev->of_node) { CFG_TXCLK_MUXSEL0_SET(&rgmii, pdata->tx_delay); CFG_RXCLK_MUXSEL0_SET(&rgmii, pdata->rx_delay); } + rgmii |= CFG_SPEED_1250; xgene_enet_rd_csr(pdata, DEBUG_REG_ADDR, &value); value |= CFG_BYPASS_UNISEC_TX | CFG_BYPASS_UNISEC_RX; @@ -503,7 +547,7 @@ static void xgene_gmac_init(struct xgene_enet_pdata *pdata) break; } - mc2 |= FULL_DUPLEX2; + mc2 |= FULL_DUPLEX2 | PAD_CRC; xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_2_ADDR, mc2); xgene_enet_wr_mcx_mac(pdata, INTERFACE_CONTROL_ADDR, intf_ctl); @@ -522,6 +566,7 @@ static void xgene_gmac_init(struct xgene_enet_pdata *pdata) /* Rtype should be copied from FP */ xgene_enet_wr_csr(pdata, RSIF_RAM_DBG_REG0_ADDR, 0); xgene_enet_wr_csr(pdata, RGMII_REG_0_ADDR, rgmii); + xgene_enet_configure_clock(pdata); /* Rx-Tx traffic resume */ xgene_enet_wr_csr(pdata, CFG_LINK_AGGR_RESUME_0_ADDR, TX_PORT0); |