ahci: qoriq: Adjust the default register values on ls1043a

Updated the registers' values to enhance SATA performance and
reliability.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index d0f9de96e4ea626a44b30506b239105869fb2eb5..4d613f8cb9660c6539742c6ab72805bde0b0473f 100644 (file)
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -39,6 +39,8 @@
 #define AHCI_PORT_PHY_4_CFG    0x00480811
 #define AHCI_PORT_PHY_5_CFG    0x192c96a4
 #define AHCI_PORT_TRANS_CFG    0x08000025
+#define LS1043A_PORT_PHY2      0x28184d1f
+#define LS1043A_PORT_PHY3      0x0e081509
 
 #define SATA_ECC_DISABLE       0x00020000
 
@@ -159,6 +161,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
                break;
 
        case AHCI_LS1043A:
+               writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
+               writel(LS1043A_PORT_PHY2, reg_base + PORT_PHY2);
+               writel(LS1043A_PORT_PHY3, reg_base + PORT_PHY3);
+               writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
+               break;
+
        case AHCI_LS2080A:
                writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
                break;