From fcc85eedc4b917342bc7bf3e6e3f65117b7c5907 Mon Sep 17 00:00:00 2001
From: Peng Ma <peng.ma@nxp.com>
Date: Thu, 31 Jan 2019 17:28:29 +0800
Subject: [PATCH 01/26] ahci: qoriq: add lx2160 platforms support

Patch-mainline: Submitted, https://lkml.org/lkml/2019/1/31/178
References: fate#326572

Lx2160a is a new introduced soc which supports ATA3.0
Clean up some code

Signed-off-by: Peng Ma <peng.ma@nxp.com>

[Yousaf]: Don't care about sata-ecc as done by nxp downstream kernel.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/ata/ahci_qoriq.c | 44 ++++++++++++--------------------------------
 1 file changed, 12 insertions(+), 32 deletions(-)

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index cfdef4d44ae9..4cb31b7b9810 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -57,7 +57,7 @@ enum ahci_qoriq_type {
 	AHCI_LS2080A,
 	AHCI_LS1046A,
 	AHCI_LS1088A,
-	AHCI_LS2088A,
+	AHCI_LX2160A,
 };
 
 struct ahci_qoriq_priv {
@@ -73,7 +73,7 @@ static const struct of_device_id ahci_qoriq_of_match[] = {
 	{ .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A},
 	{ .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A},
 	{ .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A},
-	{ .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A},
+	{ .compatible = "fsl,lx2160a-ahci", .data = (void *)AHCI_LX2160A},
 	{},
 };
 MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
@@ -174,12 +174,10 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
 		writel(LS1021A_PORT_PHY4, reg_base + PORT_PHY4);
 		writel(LS1021A_PORT_PHY5, reg_base + PORT_PHY5);
 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG,
-					reg_base + LS1021A_AXICC_ADDR);
 		break;
 
 	case AHCI_LS1043A:
+	case AHCI_LS1046A:
 		if (!qpriv->ecc_addr)
 			return -EINVAL;
 		writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
@@ -188,30 +186,14 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
 		break;
 
 	case AHCI_LS2080A:
+	case AHCI_LX2160A:
 		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
-		break;
-
-	case AHCI_LS1046A:
-		if (!qpriv->ecc_addr)
-			return -EINVAL;
-		writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
-				qpriv->ecc_addr);
-		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
-		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
-		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
-		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
 		break;
 
 	case AHCI_LS1088A:
@@ -223,18 +205,16 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
 		break;
+	}
 
-	case AHCI_LS2088A:
-		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
-		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
-		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
-		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
-		if (qpriv->is_dmacoherent)
-			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
-		break;
+	if (qpriv->is_dmacoherent) {
+		if (qpriv->type == AHCI_LS1021A)
+			writel(AHCI_PORT_AXICC_CFG,
+			       reg_base + LS1021A_AXICC_ADDR);
+		else
+			writel(AHCI_PORT_AXICC_CFG,
+			       reg_base + PORT_AXICC);
 	}
 
 	return 0;
-- 
2.11.0