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authorTang Yuantian <Yuantian.Tang@nxp.com>2016-10-09 11:51:04 +0300
committerTejun Heo <tj@kernel.org>2016-10-19 20:33:01 +0300
commit2facc6dacc64f14efc6fb81e2019f48e992166e2 (patch)
tree2f637d3588aca0e163082f62f6e6d37b1b10c358 /drivers/ata
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadlinux-2facc6dacc64f14efc6fb81e2019f48e992166e2.tar.xz
ahci: qoriq: added ls1046a platform support
Ls1046a is a new introduced soc which supports ATA3.0. Signed-off-by: Tang Yuantian <yuantian.tang@nxp.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci_qoriq.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 1eba8dff875e..9884c8c6e934 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);