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authorYuantian Tang <andy.tang@nxp.com>2017-06-02 15:23:03 +0800
committerTejun Heo <tj@kernel.org>2017-06-02 09:49:33 -0400
commit0cee73f751ceb507d052f1a45d5f5f38bc33b25a (patch)
treebff4fb13e1dce340bcc6b30b45105447952091bd /drivers/ata
parent74ee91d8181b9d55fff79bf1fd555b0c8238f67e (diff)
downloadlinux-0cee73f751ceb507d052f1a45d5f5f38bc33b25a.tar.gz
ahci: qoriq: add ls1088a platforms support
Ls1088a is new introduced arm-based soc with sata support with
following features:

* Complies with the serial ATA 3.0 specification
  and the AHCI 1.3.1 specification
* Contains a high-speed descriptor-based DMA controller
* Supports the following:
* Speeds of 1.5 Gb/s (first-generation SATA),
  3 Gb/s (second-generation SATA), and 6 Gb/s (third-generation SATA)
* FIS-based switching
* Native command queuing (NCQ) commands
* Port multiplier operation
* Asynchronous notification
* SATA Vendor BIST mode

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci_qoriq.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 4c96f3ac4976..b6b0bf76dfc7 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -47,12 +47,14 @@
 
 #define SATA_ECC_DISABLE	0x00020000
 #define ECC_DIS_ARMV8_CH2	0x80000000
+#define ECC_DIS_LS1088A		0x40000000
 
 enum ahci_qoriq_type {
 	AHCI_LS1021A,
 	AHCI_LS1043A,
 	AHCI_LS2080A,
 	AHCI_LS1046A,
+	AHCI_LS1088A,
 	AHCI_LS2088A,
 };
 
@@ -68,6 +70,7 @@ static const struct of_device_id ahci_qoriq_of_match[] = {
 	{ .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A},
 	{ .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},
 	{},
 };
@@ -203,6 +206,17 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
 			writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
 		break;
 
+	case AHCI_LS1088A:
+		if (!qpriv->ecc_addr)
+			return -EINVAL;
+		writel(readl(qpriv->ecc_addr) | ECC_DIS_LS1088A,
+		       qpriv->ecc_addr);
+		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
+		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_TRANS_CFG, reg_base + PORT_TRANS);