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Diffstat (limited to 'arch/arm/plat-orion/pcie.c')
-rw-r--r--arch/arm/plat-orion/pcie.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index abfda53f1800..ca32c60e14d7 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -39,6 +39,7 @@
39#define PCIE_CONF_DATA_OFF 0x18fc 39#define PCIE_CONF_DATA_OFF 0x18fc
40#define PCIE_MASK_OFF 0x1910 40#define PCIE_MASK_OFF 0x1910
41#define PCIE_CTRL_OFF 0x1a00 41#define PCIE_CTRL_OFF 0x1a00
42#define PCIE_CTRL_X1_MODE 0x0001
42#define PCIE_STAT_OFF 0x1a04 43#define PCIE_STAT_OFF 0x1a04
43#define PCIE_STAT_DEV_OFFS 20 44#define PCIE_STAT_DEV_OFFS 20
44#define PCIE_STAT_DEV_MASK 0x1f 45#define PCIE_STAT_DEV_MASK 0x1f
@@ -62,6 +63,11 @@ int orion_pcie_link_up(void __iomem *base)
62 return !(readl(base + PCIE_STAT_OFF) & PCIE_STAT_LINK_DOWN); 63 return !(readl(base + PCIE_STAT_OFF) & PCIE_STAT_LINK_DOWN);
63} 64}
64 65
66int __init orion_pcie_x4_mode(void __iomem *base)
67{
68 return !(readl(base + PCIE_CTRL_OFF) & PCIE_CTRL_X1_MODE);
69}
70
65int orion_pcie_get_local_bus_nr(void __iomem *base) 71int orion_pcie_get_local_bus_nr(void __iomem *base)
66{ 72{
67 u32 stat = readl(base + PCIE_STAT_OFF); 73 u32 stat = readl(base + PCIE_STAT_OFF);