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path: root/arch/mips/pci/pci-mt7620.c
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Diffstat (limited to 'arch/mips/pci/pci-mt7620.c')
-rw-r--r--arch/mips/pci/pci-mt7620.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/arch/mips/pci/pci-mt7620.c b/arch/mips/pci/pci-mt7620.c
index d36061603752..5c4bdf6919e5 100644
--- a/arch/mips/pci/pci-mt7620.c
+++ b/arch/mips/pci/pci-mt7620.c
@@ -30,6 +30,7 @@
#define RALINK_GPIOMODE 0x60
#define PPLL_CFG1 0x9c
+#define PPLL_LD BIT(23)
#define PPLL_DRV 0xa0
#define PDRV_SW_SET BIT(31)
@@ -239,8 +240,8 @@ static int mt7620_pci_hw_init(struct platform_device *pdev)
rt_sysc_m32(0, RALINK_PCIE0_CLK_EN, RALINK_CLKCFG1);
mdelay(100);
- if (!(rt_sysc_r32(PPLL_CFG1) & PDRV_SW_SET)) {
- dev_err(&pdev->dev, "MT7620 PPLL unlock\n");
+ if (!(rt_sysc_r32(PPLL_CFG1) & PPLL_LD)) {
+ dev_err(&pdev->dev, "pcie PLL not locked, aborting init\n");
reset_control_assert(rstpcie0);
rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
return -1;
@@ -273,29 +274,22 @@ static int mt7628_pci_hw_init(struct platform_device *pdev)
val |= 0x50 << 8;
pci_config_write(NULL, 0, 0x70c, 4, val);
- pci_config_read(NULL, 0, 0x70c, 4, &val);
- dev_err(&pdev->dev, "Port 0 N_FTS = %x\n", (unsigned int) val);
-
return 0;
}
static int mt7620_pci_probe(struct platform_device *pdev)
{
- struct resource *bridge_res = platform_get_resource(pdev,
- IORESOURCE_MEM, 0);
- struct resource *pcie_res = platform_get_resource(pdev,
- IORESOURCE_MEM, 1);
u32 val = 0;
rstpcie0 = devm_reset_control_get_exclusive(&pdev->dev, "pcie0");
if (IS_ERR(rstpcie0))
return PTR_ERR(rstpcie0);
- bridge_base = devm_ioremap_resource(&pdev->dev, bridge_res);
+ bridge_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
if (IS_ERR(bridge_base))
return PTR_ERR(bridge_base);
- pcie_base = devm_ioremap_resource(&pdev->dev, pcie_res);
+ pcie_base = devm_platform_get_and_ioremap_resource(pdev, 1, NULL);
if (IS_ERR(pcie_base))
return PTR_ERR(pcie_base);
@@ -333,7 +327,7 @@ static int mt7620_pci_probe(struct platform_device *pdev)
rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
if (ralink_soc == MT762X_SOC_MT7620A)
rt_sysc_m32(LC_CKDRVPD, PDRV_SW_SET, PPLL_DRV);
- dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
+ dev_info(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
return -1;
}
@@ -376,7 +370,7 @@ int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
dev->bus->number, slot);
return 0;
}
- dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
+ dev_info(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
dev->bus->number, slot, irq);
/* configure the cache line size to 0x14 */