ahci: qoriq: added ls2088a platforms support

Ls2088a is new introduced arm-based soc with sata support with
following features:
1. Complies with the serial ATA 3.0 specification and the AHCI 1.3.1
   specification
2. Contains a high-speed descriptor-based DMA controller
3. Supports the following:
   a. Speeds of 1.5 Gb/s (first-generation SATA), 3 Gb/s
      (second-generation SATA), and 6 Gb/s (third-generation SATA)
   b. FIS-based switching
   c. Native command queuing (NCQ) commands
   d. Port multiplier operation
   e. Asynchronous notification
   f. SATA BIST mode

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

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 137b1c76f259a83c6908a11503f7b140c3d39dcf..85d833289f28f85de9aa98efe52a05a921cdc3bd 100644 (file)
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -53,6 +53,7 @@ enum ahci_qoriq_type {
        AHCI_LS1043A,
        AHCI_LS2080A,
        AHCI_LS1046A,
+       AHCI_LS2088A,
 };
 
 struct ahci_qoriq_priv {
@@ -67,6 +68,7 @@ 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,ls2088a-ahci", .data = (void *)AHCI_LS2088A},
        {},
 };
 MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
@@ -198,6 +200,13 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
                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);
+               if (qpriv->is_dmacoherent)
+                       writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
+               break;
        }
 
        return 0;