ar71xx: enable flow control for ethernet MACs with built-in switch

[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / dev-eth.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index c6842aad382331c77f84250232bb99d2e4a694e4..7d641d4f096e6b135ca833358b16056d9731c8fc 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -183,7 +183,8 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
            ath79_soc == ATH79_SOC_AR9342 ||
            ath79_soc == ATH79_SOC_AR9344 ||
            ath79_soc == ATH79_SOC_QCA9556 ||
-           ath79_soc == ATH79_SOC_QCA9558)
+           ath79_soc == ATH79_SOC_QCA9558 ||
+           ath79_soc == ATH79_SOC_QCA956X)
                max_id = 1;
        else
                max_id = 0;
@@ -198,6 +199,7 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
        case ATH79_SOC_AR9330:
        case ATH79_SOC_AR9331:
        case ATH79_SOC_QCA9533:
+       case ATH79_SOC_TP9343:
                mdio_dev = &ath79_mdio1_device;
                mdio_data = &ath79_mdio1_data;
                break;
@@ -207,6 +209,7 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
        case ATH79_SOC_AR9344:
        case ATH79_SOC_QCA9556:
        case ATH79_SOC_QCA9558:
+       case ATH79_SOC_QCA956X:
                if (id == 0) {
                        mdio_dev = &ath79_mdio0_device;
                        mdio_data = &ath79_mdio0_data;
@@ -256,6 +259,7 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
                break;
 
        case ATH79_SOC_QCA9533:
+       case ATH79_SOC_TP9343:
                mdio_data->builtin_switch = 1;
                break;
 
@@ -264,6 +268,12 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
                mdio_data->is_ar934x = 1;
                break;
 
+       case ATH79_SOC_QCA956X:
+               if (id == 1)
+                       mdio_data->builtin_switch = 1;
+               mdio_data->is_ar934x = 1;
+               break;
+
        default:
                break;
        }
@@ -383,52 +393,28 @@ static void qca955x_set_speed_sgmii(int speed)
        iounmap(base);
 }
 
-static void ath79_set_speed_dummy(int speed)
+static void qca956x_set_speed_sgmii(int speed)
 {
+       void __iomem *base;
+       u32 val = ath79_get_eth_pll(0, speed);
+
+       base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
+       __raw_writel(val, base + QCA955X_PLL_ETH_SGMII_CONTROL_REG);
+       iounmap(base);
 }
 
-static void ath79_ddr_no_flush(void)
+static void ath79_set_speed_dummy(int speed)
 {
 }
 
 static void ath79_ddr_flush_ge0(void)
 {
-       ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE0);
+       ath79_ddr_wb_flush(0);
 }
 
 static void ath79_ddr_flush_ge1(void)
 {
-       ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE1);
-}
-
-static void ar724x_ddr_flush_ge0(void)
-{
-       ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE0);
-}
-
-static void ar724x_ddr_flush_ge1(void)
-{
-       ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE1);
-}
-
-static void ar91xx_ddr_flush_ge0(void)
-{
-       ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE0);
-}
-
-static void ar91xx_ddr_flush_ge1(void)
-{
-       ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE1);
-}
-
-static void ar933x_ddr_flush_ge0(void)
-{
-       ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE0);
-}
-
-static void ar933x_ddr_flush_ge1(void)
-{
-       ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE1);
+       ath79_ddr_wb_flush(1);
 }
 
 static struct resource ath79_eth0_resources[] = {
@@ -513,6 +499,10 @@ struct ag71xx_switch_platform_data ath79_switch_data;
 #define AR934X_PLL_VAL_100     0x00000101
 #define AR934X_PLL_VAL_10      0x00001616
 
+#define QCA956X_PLL_VAL_1000   0x03000000
+#define QCA956X_PLL_VAL_100    0x00000101
+#define QCA956X_PLL_VAL_10     0x00001919
+
 static void __init ath79_init_eth_pll_data(unsigned int id)
 {
        struct ath79_eth_pll_data *pll_data;
@@ -571,11 +561,18 @@ static void __init ath79_init_eth_pll_data(unsigned int id)
        case ATH79_SOC_QCA9533:
        case ATH79_SOC_QCA9556:
        case ATH79_SOC_QCA9558:
+       case ATH79_SOC_TP9343:
                pll_10 = AR934X_PLL_VAL_10;
                pll_100 = AR934X_PLL_VAL_100;
                pll_1000 = AR934X_PLL_VAL_1000;
                break;
 
+       case ATH79_SOC_QCA956X:
+               pll_10 = QCA956X_PLL_VAL_10;
+               pll_100 = QCA956X_PLL_VAL_100;
+               pll_1000 = QCA956X_PLL_VAL_1000;
+               break;
+
        default:
                BUG();
        }
@@ -627,6 +624,7 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
                case ATH79_SOC_AR9330:
                case ATH79_SOC_AR9331:
                case ATH79_SOC_QCA9533:
+               case ATH79_SOC_TP9343:
                        pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
                        break;
 
@@ -649,6 +647,7 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
 
                case ATH79_SOC_QCA9556:
                case ATH79_SOC_QCA9558:
+               case ATH79_SOC_QCA956X:
                        switch (pdata->phy_if_mode) {
                        case PHY_INTERFACE_MODE_MII:
                        case PHY_INTERFACE_MODE_RGMII:
@@ -687,7 +686,8 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
                case ATH79_SOC_AR7241:
                case ATH79_SOC_AR9330:
                case ATH79_SOC_AR9331:
-               case ATH79_SOC_QCA9533:
+               case ATH79_SOC_QCA956X:
+               case ATH79_SOC_TP9343:
                        pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
                        break;
 
@@ -697,6 +697,7 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
                case ATH79_SOC_AR9341:
                case ATH79_SOC_AR9342:
                case ATH79_SOC_AR9344:
+               case ATH79_SOC_QCA9533:
                        switch (pdata->phy_if_mode) {
                        case PHY_INTERFACE_MODE_MII:
                        case PHY_INTERFACE_MODE_GMII:
@@ -769,6 +770,32 @@ void __init ath79_setup_ar934x_eth_cfg(u32 mask)
        iounmap(base);
 }
 
+void __init ath79_setup_ar934x_eth_rx_delay(unsigned int rxd,
+                                           unsigned int rxdv)
+{
+       void __iomem *base;
+       u32 t;
+
+       rxd &= AR934X_ETH_CFG_RXD_DELAY_MASK;
+       rxdv &= AR934X_ETH_CFG_RDV_DELAY_MASK;
+
+       base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
+
+       t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
+
+       t &= ~(AR934X_ETH_CFG_RXD_DELAY_MASK << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
+              AR934X_ETH_CFG_RDV_DELAY_MASK << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
+
+       t |= (rxd << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
+             rxdv << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
+
+       __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
+       /* flush write */
+       __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
+
+       iounmap(base);
+}
+
 void __init ath79_setup_qca955x_eth_cfg(u32 mask)
 {
        void __iomem *base;
@@ -818,26 +845,25 @@ void __init ath79_register_eth(unsigned int id)
                return;
        }
 
+       if (id == 0)
+               pdata->ddr_flush = ath79_ddr_flush_ge0;
+       else
+               pdata->ddr_flush = ath79_ddr_flush_ge1;
+
        switch (ath79_soc) {
        case ATH79_SOC_AR7130:
-               if (id == 0) {
-                       pdata->ddr_flush = ath79_ddr_flush_ge0;
+               if (id == 0)
                        pdata->set_speed = ath79_set_speed_ge0;
-               } else {
-                       pdata->ddr_flush = ath79_ddr_flush_ge1;
+               else
                        pdata->set_speed = ath79_set_speed_ge1;
-               }
                break;
 
        case ATH79_SOC_AR7141:
        case ATH79_SOC_AR7161:
-               if (id == 0) {
-                       pdata->ddr_flush = ath79_ddr_flush_ge0;
+               if (id == 0)
                        pdata->set_speed = ath79_set_speed_ge0;
-               } else {
-                       pdata->ddr_flush = ath79_ddr_flush_ge1;
+               else
                        pdata->set_speed = ath79_set_speed_ge1;
-               }
                pdata->has_gbit = 1;
                break;
 
@@ -845,12 +871,10 @@ void __init ath79_register_eth(unsigned int id)
                if (id == 0) {
                        pdata->reset_bit |= AR724X_RESET_GE0_MDIO |
                                            AR71XX_RESET_GE0_PHY;
-                       pdata->ddr_flush = ar724x_ddr_flush_ge0;
                        pdata->set_speed = ar7242_set_speed_ge0;
                } else {
                        pdata->reset_bit |= AR724X_RESET_GE1_MDIO |
                                            AR71XX_RESET_GE1_PHY;
-                       pdata->ddr_flush = ar724x_ddr_flush_ge1;
                        pdata->set_speed = ath79_set_speed_dummy;
                }
                pdata->has_gbit = 1;
@@ -873,18 +897,17 @@ void __init ath79_register_eth(unsigned int id)
        case ATH79_SOC_AR7240:
                if (id == 0) {
                        pdata->reset_bit |= AR71XX_RESET_GE0_PHY;
-                       pdata->ddr_flush = ar724x_ddr_flush_ge0;
                        pdata->set_speed = ath79_set_speed_dummy;
 
                        pdata->phy_mask = BIT(4);
                } else {
                        pdata->reset_bit |= AR71XX_RESET_GE1_PHY;
-                       pdata->ddr_flush = ar724x_ddr_flush_ge1;
                        pdata->set_speed = ath79_set_speed_dummy;
 
                        pdata->speed = SPEED_1000;
                        pdata->duplex = DUPLEX_FULL;
                        pdata->switch_data = &ath79_switch_data;
+                       pdata->builtin_switch = 1;
 
                        ath79_switch_data.phy_poll_mask |= BIT(4);
                }
@@ -901,27 +924,15 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->fifo_cfg3 = 0x01f00140;
                break;
 
-       case ATH79_SOC_AR9130:
-               if (id == 0) {
-                       pdata->ddr_flush = ar91xx_ddr_flush_ge0;
-                       pdata->set_speed = ar91xx_set_speed_ge0;
-               } else {
-                       pdata->ddr_flush = ar91xx_ddr_flush_ge1;
-                       pdata->set_speed = ar91xx_set_speed_ge1;
-               }
-               pdata->is_ar91xx = 1;
-               break;
-
        case ATH79_SOC_AR9132:
-               if (id == 0) {
-                       pdata->ddr_flush = ar91xx_ddr_flush_ge0;
+               pdata->has_gbit = 1;
+               /* fall through */
+       case ATH79_SOC_AR9130:
+               if (id == 0)
                        pdata->set_speed = ar91xx_set_speed_ge0;
-               } else {
-                       pdata->ddr_flush = ar91xx_ddr_flush_ge1;
+               else
                        pdata->set_speed = ar91xx_set_speed_ge1;
-               }
                pdata->is_ar91xx = 1;
-               pdata->has_gbit = 1;
                break;
 
        case ATH79_SOC_AR9330:
@@ -929,20 +940,19 @@ void __init ath79_register_eth(unsigned int id)
                if (id == 0) {
                        pdata->reset_bit = AR933X_RESET_GE0_MAC |
                                           AR933X_RESET_GE0_MDIO;
-                       pdata->ddr_flush = ar933x_ddr_flush_ge0;
                        pdata->set_speed = ath79_set_speed_dummy;
 
                        pdata->phy_mask = BIT(4);
                } else {
                        pdata->reset_bit = AR933X_RESET_GE1_MAC |
                                           AR933X_RESET_GE1_MDIO;
-                       pdata->ddr_flush = ar933x_ddr_flush_ge1;
                        pdata->set_speed = ath79_set_speed_dummy;
 
                        pdata->speed = SPEED_1000;
                        pdata->has_gbit = 1;
                        pdata->duplex = DUPLEX_FULL;
                        pdata->switch_data = &ath79_switch_data;
+                       pdata->builtin_switch = 1;
 
                        ath79_switch_data.phy_poll_mask |= BIT(4);
                }
@@ -960,6 +970,7 @@ void __init ath79_register_eth(unsigned int id)
        case ATH79_SOC_AR9341:
        case ATH79_SOC_AR9342:
        case ATH79_SOC_AR9344:
+       case ATH79_SOC_QCA9533:
                if (id == 0) {
                        pdata->reset_bit = AR934X_RESET_GE0_MAC |
                                           AR934X_RESET_GE0_MDIO;
@@ -970,13 +981,13 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->set_speed = ath79_set_speed_dummy;
 
                        pdata->switch_data = &ath79_switch_data;
+                       pdata->builtin_switch = 1;
 
                        /* reset the built-in switch */
                        ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
                        ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
                }
 
-               pdata->ddr_flush = ath79_ddr_no_flush;
                pdata->has_gbit = 1;
                pdata->is_ar724x = 1;
 
@@ -991,13 +1002,14 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->fifo_cfg3 = 0x01f00140;
                break;
 
-       case ATH79_SOC_QCA9533:
+       case ATH79_SOC_TP9343:
                if (id == 0) {
                        pdata->reset_bit = AR933X_RESET_GE0_MAC |
                                           AR933X_RESET_GE0_MDIO;
                        pdata->set_speed = ath79_set_speed_dummy;
 
-                       pdata->phy_mask = BIT(4);
+                       if (!pdata->phy_mask)
+                               pdata->phy_mask = BIT(4);
                } else {
                        pdata->reset_bit = AR933X_RESET_GE1_MAC |
                                           AR933X_RESET_GE1_MDIO;
@@ -1006,11 +1018,11 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->speed = SPEED_1000;
                        pdata->duplex = DUPLEX_FULL;
                        pdata->switch_data = &ath79_switch_data;
+                       pdata->builtin_switch = 1;
 
                        ath79_switch_data.phy_poll_mask |= BIT(4);
                }
 
-               pdata->ddr_flush = ath79_ddr_no_flush;
                pdata->has_gbit = 1;
                pdata->is_ar724x = 1;
 
@@ -1032,9 +1044,9 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->reset_bit = QCA955X_RESET_GE1_MAC |
                                           QCA955X_RESET_GE1_MDIO;
                        pdata->set_speed = qca955x_set_speed_sgmii;
+                       pdata->builtin_switch = 1;
                }
 
-               pdata->ddr_flush = ath79_ddr_no_flush;
                pdata->has_gbit = 1;
                pdata->is_ar724x = 1;
 
@@ -1057,6 +1069,43 @@ void __init ath79_register_eth(unsigned int id)
                        pdata->fifo_cfg3 = 0x01f00140;
                break;
 
+       case ATH79_SOC_QCA956X:
+               if (id == 0) {
+                       pdata->reset_bit = QCA955X_RESET_GE0_MAC |
+                                          QCA955X_RESET_GE0_MDIO;
+
+                       if (pdata->phy_if_mode == PHY_INTERFACE_MODE_SGMII)
+                               pdata->set_speed = qca956x_set_speed_sgmii;
+                       else
+                               pdata->set_speed = ath79_set_speed_ge0;
+               } else {
+                       pdata->reset_bit = QCA955X_RESET_GE1_MAC |
+                                          QCA955X_RESET_GE1_MDIO;
+
+                       pdata->set_speed = ath79_set_speed_dummy;
+
+                       pdata->switch_data = &ath79_switch_data;
+
+                       pdata->speed = SPEED_1000;
+                       pdata->duplex = DUPLEX_FULL;
+                       pdata->builtin_switch = 1;
+
+                       /* reset the built-in switch */
+                       ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
+                       ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
+               }
+
+               pdata->has_gbit = 1;
+               pdata->is_ar724x = 1;
+
+               if (!pdata->fifo_cfg1)
+                       pdata->fifo_cfg1 = 0x0010ffff;
+               if (!pdata->fifo_cfg2)
+                       pdata->fifo_cfg2 = 0x015500aa;
+               if (!pdata->fifo_cfg3)
+                       pdata->fifo_cfg3 = 0x01f00140;
+               break;
+
        default:
                BUG();
        }
@@ -1097,6 +1146,7 @@ void __init ath79_register_eth(unsigned int id)
                case ATH79_SOC_AR9330:
                case ATH79_SOC_AR9331:
                case ATH79_SOC_QCA9533:
+               case ATH79_SOC_TP9343:
                        pdata->mii_bus_dev = &ath79_mdio1_device.dev;
                        break;
 
@@ -1105,6 +1155,11 @@ void __init ath79_register_eth(unsigned int id)
                        /* don't assign any MDIO device by default */
                        break;
 
+               case ATH79_SOC_QCA956X:
+                       if (pdata->phy_if_mode != PHY_INTERFACE_MODE_SGMII)
+                               pdata->mii_bus_dev = &ath79_mdio1_device.dev;
+                       break;
+
                default:
                        pdata->mii_bus_dev = &ath79_mdio0_device.dev;
                        break;