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Subject[PATCH] ahci: qoriq: added ls1046a platform support
Date
From: Tang Yuantian <Yuantian.Tang@nxp.com>

Ls1046a is a new introduced soc which supports ATA3.0.

Signed-off-by: Tang Yuantian <yuantian.tang@nxp.com>
---
drivers/ata/ahci_qoriq.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 1eba8df..9884c8c 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -46,11 +46,13 @@
#define LS1021A_AXICC_ADDR 0xC0

#define SATA_ECC_DISABLE 0x00020000
+#define LS1046A_SATA_ECC_DIS 0x80000000

enum ahci_qoriq_type {
AHCI_LS1021A,
AHCI_LS1043A,
AHCI_LS2080A,
+ AHCI_LS1046A,
};

struct ahci_qoriq_priv {
@@ -63,6 +65,7 @@ static const struct of_device_id ahci_qoriq_of_match[] = {
{ .compatible = "fsl,ls1021a-ahci", .data = (void *)AHCI_LS1021A},
{ .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A},
{ .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A},
+ { .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A},
{},
};
MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
@@ -175,6 +178,13 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
break;
+
+ case AHCI_LS1046A:
+ writel(LS1046A_SATA_ECC_DIS, qpriv->ecc_addr);
+ writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
+ writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
+ writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
+ break;
}

return 0;
@@ -204,9 +214,9 @@ static int ahci_qoriq_probe(struct platform_device *pdev)

qoriq_priv->type = (enum ahci_qoriq_type)of_id->data;

- if (qoriq_priv->type == AHCI_LS1021A) {
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "sata-ecc");
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "sata-ecc");
+ if (res) {
qoriq_priv->ecc_addr = devm_ioremap_resource(dev, res);
if (IS_ERR(qoriq_priv->ecc_addr))
return PTR_ERR(qoriq_priv->ecc_addr);
--
2.1.0.27.g96db324
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