scsi: ceva: add ls1021a soc support.

Add ahci compatible support for ls1021a soc.

Signed-off-by: Peng Ma <peng.ma@nxp.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/drivers/ata/sata_ceva.c b/drivers/ata/sata_ceva.c
index 327ffa5..65896d1 100644 (file)
--- a/drivers/ata/sata_ceva.c
+++ b/drivers/ata/sata_ceva.c
@@ -81,13 +81,23 @@
 #define CEVA_TRANS_CFG 0x08000029
 #define CEVA_AXICC_CFG 0x3fffffff
 
+/* for ls1021a */
+#define LS1021_AHCI_VEND_AXICC 0xC0
+#define LS1021_CEVA_PHY2_CFG   0x28183414
+#define LS1021_CEVA_PHY3_CFG   0x0e080e06
+#define LS1021_CEVA_PHY4_CFG   0x064a080b
+#define LS1021_CEVA_PHY5_CFG   0x2aa86470
+
 /* ecc addr-val pair */
 #define ECC_DIS_ADDR_CH2       0x80000000
-#define ECC_DIS_VAL_CH2        0x20140520
+#define ECC_DIS_VAL_CH2                0x20140520
+#define SATA_ECC_REG_ADDR      0x20220520
+#define SATA_ECC_DISABLE       0x00020000
 
 enum ceva_soc {
        CEVA_1V84,
        CEVA_LS1012A,
+       CEVA_LS1021A,
        CEVA_LS1043A,
 };
 
@@ -114,6 +124,18 @@ static int ceva_init_sata(struct ceva_sata_priv *priv)
                writel(tmp, base + AHCI_VEND_PTC);
                break;
 
+       case CEVA_LS1021A:
+               writel(SATA_ECC_DISABLE, SATA_ECC_REG_ADDR);
+               writel(CEVA_PHY1_CFG, base + AHCI_VEND_PPCFG);
+               writel(LS1021_CEVA_PHY2_CFG, base + AHCI_VEND_PP2C);
+               writel(LS1021_CEVA_PHY3_CFG, base + AHCI_VEND_PP3C);
+               writel(LS1021_CEVA_PHY4_CFG, base + AHCI_VEND_PP4C);
+               writel(LS1021_CEVA_PHY5_CFG, base + AHCI_VEND_PP5C);
+               writel(CEVA_TRANS_CFG, base + AHCI_VEND_PTC);
+               if (priv->flag & FLAG_COHERENT)
+                       writel(CEVA_AXICC_CFG, base + LS1021_AHCI_VEND_AXICC);
+               break;
+
        case CEVA_LS1012A:
        case CEVA_LS1043A:
                writel(ECC_DIS_ADDR_CH2, ECC_DIS_VAL_CH2);
@@ -146,6 +168,7 @@ static int sata_ceva_probe(struct udevice *dev)
 static const struct udevice_id sata_ceva_ids[] = {
        { .compatible = "ceva,ahci-1v84", .data = CEVA_1V84 },
        { .compatible = "fsl,ls1012a-ahci", .data = CEVA_LS1012A },
+       { .compatible = "fsl,ls1021a-ahci", .data = CEVA_LS1021A },
        { .compatible = "fsl,ls1043a-ahci", .data = CEVA_LS1043A },
        { }
 };