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for-5.2/libata-20190507 

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Merge tag 'for-5.2/libata-20190507' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:
 "Just two minor fixes queued up for 5.2, adding support for two
  different platforms to ahci"

* tag 'for-5.2/libata-20190507' of git://git.kernel.dk/linux-block:
  ahci: qoriq: add ls1028a platforms support
  ahci: qoriq: add lx2160 platforms support
This commit is contained in:
Linus Torvalds 2019-05-07 18:43:36 -07:00
parent 52ae2456d6 a1d78317f8
commit e4eaa9efbf
1 changed files with 38 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/ata/ahci_qoriq.c
View File

@ -53,11 +53,13 @@
enum ahci_qoriq_type { enum ahci_qoriq_type {
AHCI_LS1021A, AHCI_LS1021A,
AHCI_LS1028A,
AHCI_LS1043A, AHCI_LS1043A,
AHCI_LS2080A, AHCI_LS2080A,
AHCI_LS1046A, AHCI_LS1046A,
AHCI_LS1088A, AHCI_LS1088A,
AHCI_LS2088A, AHCI_LS2088A,
AHCI_LX2160A,
}; };
struct ahci_qoriq_priv { struct ahci_qoriq_priv {
@ -67,13 +69,17 @@ struct ahci_qoriq_priv {
bool is_dmacoherent; bool is_dmacoherent;
}; };
static bool ecc_initialized;
static const struct of_device_id ahci_qoriq_of_match[] = { static const struct of_device_id ahci_qoriq_of_match[] = {
{ .compatible = "fsl,ls1021a-ahci", .data = (void *)AHCI_LS1021A}, { .compatible = "fsl,ls1021a-ahci", .data = (void *)AHCI_LS1021A},
{ .compatible = "fsl,ls1028a-ahci", .data = (void *)AHCI_LS1028A},
{ .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A}, { .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A},
{ .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A}, { .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A},
{ .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A}, { .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A},
{ .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A}, { .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A},
{ .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A}, { .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A},
{ .compatible = "fsl,lx2160a-ahci", .data = (void *)AHCI_LX2160A},
{}, {},
}; };
MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match); MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
@ -165,8 +171,9 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
switch (qpriv->type) { switch (qpriv->type) {
case AHCI_LS1021A: case AHCI_LS1021A:
if (!qpriv->ecc_addr) if (!(qpriv->ecc_addr || ecc_initialized))
return -EINVAL; return -EINVAL;
else if (qpriv->ecc_addr && !ecc_initialized)
writel(SATA_ECC_DISABLE, qpriv->ecc_addr); writel(SATA_ECC_DISABLE, qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2); writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2);
@ -180,9 +187,11 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
break; break;
case AHCI_LS1043A: case AHCI_LS1043A:
if (!qpriv->ecc_addr) if (!(qpriv->ecc_addr || ecc_initialized))
return -EINVAL; return -EINVAL;
writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, else if (qpriv->ecc_addr && !ecc_initialized)
writel(readl(qpriv->ecc_addr) |
ECC_DIS_ARMV8_CH2,
qpriv->ecc_addr); qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
@ -202,9 +211,11 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
break; break;
case AHCI_LS1046A: case AHCI_LS1046A:
if (!qpriv->ecc_addr) if (!(qpriv->ecc_addr || ecc_initialized))
return -EINVAL; return -EINVAL;
writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, else if (qpriv->ecc_addr && !ecc_initialized)
writel(readl(qpriv->ecc_addr) |
ECC_DIS_ARMV8_CH2,
qpriv->ecc_addr); qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
@ -214,10 +225,14 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC); writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
break; break;
case AHCI_LS1028A:
case AHCI_LS1088A: case AHCI_LS1088A:
if (!qpriv->ecc_addr) case AHCI_LX2160A:
if (!(qpriv->ecc_addr || ecc_initialized))
return -EINVAL; return -EINVAL;
writel(readl(qpriv->ecc_addr) | ECC_DIS_LS1088A, else if (qpriv->ecc_addr && !ecc_initialized)
writel(readl(qpriv->ecc_addr) |
ECC_DIS_LS1088A,
qpriv->ecc_addr); qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
@ -237,6 +252,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
break; break;
} }
ecc_initialized = true;
return 0; return 0;
} }
@ -264,13 +280,18 @@ static int ahci_qoriq_probe(struct platform_device *pdev)
qoriq_priv->type = (enum ahci_qoriq_type)of_id->data; qoriq_priv->type = (enum ahci_qoriq_type)of_id->data;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, if (unlikely(!ecc_initialized)) {
res = platform_get_resource_byname(pdev,
IORESOURCE_MEM,
"sata-ecc"); "sata-ecc");
if (res) { if (res) {
qoriq_priv->ecc_addr = devm_ioremap_resource(dev, res); qoriq_priv->ecc_addr =
devm_ioremap_resource(dev, res);
if (IS_ERR(qoriq_priv->ecc_addr)) if (IS_ERR(qoriq_priv->ecc_addr))
return PTR_ERR(qoriq_priv->ecc_addr); return PTR_ERR(qoriq_priv->ecc_addr);
} }
}
qoriq_priv->is_dmacoherent = of_dma_is_coherent(np); qoriq_priv->is_dmacoherent = of_dma_is_coherent(np);
rc = ahci_platform_enable_resources(hpriv); rc = ahci_platform_enable_resources(hpriv);