diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mtk_eth.c | 57 | ||||
| -rw-r--r-- | drivers/net/mtk_eth.h | 15 |
2 files changed, 67 insertions, 5 deletions
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c index 77589b2..126b824 100644 --- a/drivers/net/mtk_eth.c +++ b/drivers/net/mtk_eth.c @@ -137,7 +137,8 @@ enum mtk_switch { enum mtk_soc { SOC_MT7623, - SOC_MT7629 + SOC_MT7629, + SOC_MT7622 }; struct mtk_eth_priv { @@ -152,6 +153,7 @@ struct mtk_eth_priv { void __iomem *fe_base; void __iomem *gmac_base; void __iomem *ethsys_base; + void __iomem *sgmii_base; struct mii_dev *mdio_bus; int (*mii_read)(struct mtk_eth_priv *priv, u8 phy, u8 reg); @@ -751,6 +753,24 @@ static int mtk_phy_probe(struct udevice *dev) return 0; } +static void mtk_sgmii_init(struct mtk_eth_priv *priv) +{ + /* Set SGMII GEN2 speed(2.5G) */ + clrsetbits_le32(priv->sgmii_base + SGMSYS_GEN2_SPEED, + SGMSYS_SPEED_2500, SGMSYS_SPEED_2500); + + /* Disable SGMII AN */ + clrsetbits_le32(priv->sgmii_base + SGMSYS_PCS_CONTROL_1, + SGMII_AN_ENABLE, 0); + + /* SGMII force mode setting */ + writel(SGMII_FORCE_MODE, priv->sgmii_base + SGMSYS_SGMII_MODE); + + /* Release PHYA power down state */ + clrsetbits_le32(priv->sgmii_base + SGMSYS_QPHY_PWR_STATE_CTRL, + SGMII_PHYA_PWD, 0); +} + static void mtk_mac_init(struct mtk_eth_priv *priv) { int i, ge_mode = 0; @@ -759,8 +779,13 @@ static void mtk_mac_init(struct mtk_eth_priv *priv) switch (priv->phy_interface) { case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII: + ge_mode = GE_MODE_RGMII; + break; case PHY_INTERFACE_MODE_SGMII: ge_mode = GE_MODE_RGMII; + mtk_ethsys_rmw(priv, ETHSYS_SYSCFG0_REG, SYSCFG0_SGMII_SEL_M, + SYSCFG0_SGMII_SEL(priv->gmac_id)); + mtk_sgmii_init(priv); break; case PHY_INTERFACE_MODE_MII: case PHY_INTERFACE_MODE_GMII: @@ -829,7 +854,8 @@ static void mtk_eth_fifo_init(struct mtk_eth_priv *priv) memset(priv->rx_ring_noc, 0, NUM_RX_DESC * sizeof(struct pdma_rxdesc)); memset(priv->pkt_pool, 0, TOTAL_PKT_BUF_SIZE); - flush_dcache_range((u32)pkt_base, (u32)(pkt_base + TOTAL_PKT_BUF_SIZE)); + flush_dcache_range((ulong)pkt_base, + (ulong)(pkt_base + TOTAL_PKT_BUF_SIZE)); priv->rx_dma_owner_idx0 = 0; priv->tx_cpu_owner_idx0 = 0; @@ -941,7 +967,7 @@ static int mtk_eth_send(struct udevice *dev, void *packet, int length) pkt_base = (void *)phys_to_virt(priv->tx_ring_noc[idx].txd_info1.SDP0); memcpy(pkt_base, packet, length); - flush_dcache_range((u32)pkt_base, (u32)pkt_base + + flush_dcache_range((ulong)pkt_base, (ulong)pkt_base + roundup(length, ARCH_DMA_MINALIGN)); priv->tx_ring_noc[idx].txd_info2.SDL0 = length; @@ -967,7 +993,7 @@ static int mtk_eth_recv(struct udevice *dev, int flags, uchar **packetp) length = priv->rx_ring_noc[idx].rxd_info2.PLEN0; pkt_base = (void *)phys_to_virt(priv->rx_ring_noc[idx].rxd_info1.PDP0); - invalidate_dcache_range((u32)pkt_base, (u32)pkt_base + + invalidate_dcache_range((ulong)pkt_base, (ulong)pkt_base + roundup(length, ARCH_DMA_MINALIGN)); if (packetp) @@ -995,7 +1021,7 @@ static int mtk_eth_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); struct mtk_eth_priv *priv = dev_get_priv(dev); - u32 iobase = pdata->iobase; + ulong iobase = pdata->iobase; int ret; /* Frame Engine Register Base */ @@ -1105,6 +1131,26 @@ static int mtk_eth_ofdata_to_platdata(struct udevice *dev) } } + if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII) { + /* get corresponding sgmii phandle */ + ret = dev_read_phandle_with_args(dev, "mediatek,sgmiisys", + NULL, 0, 0, &args); + if (ret) + return ret; + + regmap = syscon_node_to_regmap(args.node); + + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + priv->sgmii_base = regmap_get_range(regmap, 0); + + if (!priv->sgmii_base) { + dev_err(dev, "Unable to find sgmii\n"); + return -ENODEV; + } + } + /* check for switch first, otherwise phy will be used */ priv->sw = SW_NONE; priv->switch_init = NULL; @@ -1152,6 +1198,7 @@ static int mtk_eth_ofdata_to_platdata(struct udevice *dev) static const struct udevice_id mtk_eth_ids[] = { { .compatible = "mediatek,mt7629-eth", .data = SOC_MT7629 }, { .compatible = "mediatek,mt7623-eth", .data = SOC_MT7623 }, + { .compatible = "mediatek,mt7622-eth", .data = SOC_MT7622 }, {} }; diff --git a/drivers/net/mtk_eth.h b/drivers/net/mtk_eth.h index fe89a03..9bb037d 100644 --- a/drivers/net/mtk_eth.h +++ b/drivers/net/mtk_eth.h @@ -20,6 +20,8 @@ #define ETHSYS_SYSCFG0_REG 0x14 #define SYSCFG0_GE_MODE_S(n) (12 + ((n) * 2)) #define SYSCFG0_GE_MODE_M 0x3 +#define SYSCFG0_SGMII_SEL_M (0x3 << 8) +#define SYSCFG0_SGMII_SEL(gmac) ((!(gmac)) ? BIT(9) : BIT(8)) #define ETHSYS_CLKCFG0_REG 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) @@ -30,6 +32,19 @@ #define GE_MODE_MII_PHY 2 #define GE_MODE_RMII 3 +/* SGMII subsystem config registers */ +#define SGMSYS_PCS_CONTROL_1 0x0 +#define SGMII_AN_ENABLE BIT(12) + +#define SGMSYS_SGMII_MODE 0x20 +#define SGMII_FORCE_MODE 0x31120019 + +#define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 +#define SGMII_PHYA_PWD BIT(4) + +#define SGMSYS_GEN2_SPEED 0x2028 +#define SGMSYS_SPEED_2500 BIT(2) + /* Frame Engine Registers */ /* PDMA */ |