From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Fri, 13 May 2016 21:00:16 +0200
Subject: ar71xx: fold patch 622-MIPS-ath79-add-support-for-QCA956x-ethernet.patch into files/

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of OpenWrt r48650

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 31d2438..2efb9c7 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -198,7 +198,6 @@ 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_QCA9561:
 	case ATH79_SOC_TP9343:
 		mdio_dev = &ath79_mdio1_device;
 		mdio_data = &ath79_mdio1_data;
@@ -209,6 +208,7 @@ 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;
@@ -258,7 +258,6 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
 		break;
 
 	case ATH79_SOC_QCA9533:
-	case ATH79_SOC_QCA9561:
 	case ATH79_SOC_TP9343:
 		mdio_data->builtin_switch = 1;
 		break;
@@ -268,6 +267,11 @@ 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;
+		break;
+
 	default:
 		break;
 	}
@@ -387,6 +391,16 @@ static void qca955x_set_speed_sgmii(int speed)
 	iounmap(base);
 }
 
+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_set_speed_dummy(int speed)
 {
 }
@@ -517,6 +531,10 @@ 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;
@@ -575,13 +593,18 @@ 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_QCA9561:
 	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();
 	}
@@ -656,6 +679,7 @@ 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:
@@ -666,11 +690,6 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
 			}
 			break;
 
-		case ATH79_SOC_QCA9561:
-			if (!pdata->phy_if_mode)
-				pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
-			break;
-
 		default:
 			BUG();
 		}
@@ -699,7 +718,7 @@ 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_QCA9561:
+		case ATH79_SOC_QCA956X:
 		case ATH79_SOC_TP9343:
 			pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
 			break;
@@ -1032,7 +1051,6 @@ void __init ath79_register_eth(unsigned int id)
 			pdata->fifo_cfg3 = 0x01f00140;
 		break;
 
-	case ATH79_SOC_QCA9561:
 	case ATH79_SOC_TP9343:
 		if (id == 0) {
 			pdata->reset_bit = AR933X_RESET_GE0_MAC |
@@ -1100,6 +1118,34 @@ 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
+				/* FIXME */
+				pdata->set_speed = ath79_set_speed_dummy;
+		} else {
+			pdata->reset_bit = QCA955X_RESET_GE1_MAC |
+					   QCA955X_RESET_GE1_MDIO;
+			/* FIXME */
+			pdata->set_speed = ath79_set_speed_dummy;
+		}
+
+		pdata->ddr_flush = ath79_ddr_no_flush;
+		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();
 	}
@@ -1140,7 +1186,6 @@ void __init ath79_register_eth(unsigned int id)
 		case ATH79_SOC_AR9330:
 		case ATH79_SOC_AR9331:
 		case ATH79_SOC_QCA9533:
-		case ATH79_SOC_QCA9561:
 		case ATH79_SOC_TP9343:
 			pdata->mii_bus_dev = &ath79_mdio1_device.dev;
 			break;