diff options
Diffstat (limited to 'arch/arm/plat-orion/pcie.c')
-rw-r--r-- | arch/arm/plat-orion/pcie.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c index abfda53f180..883902fead8 100644 --- a/arch/arm/plat-orion/pcie.c +++ b/arch/arm/plat-orion/pcie.c @@ -12,7 +12,7 @@ #include <linux/pci.h> #include <linux/mbus.h> #include <asm/mach/pci.h> -#include <asm/plat-orion/pcie.h> +#include <plat/pcie.h> /* * PCIe unit register offsets. @@ -39,6 +39,7 @@ #define PCIE_CONF_DATA_OFF 0x18fc #define PCIE_MASK_OFF 0x1910 #define PCIE_CTRL_OFF 0x1a00 +#define PCIE_CTRL_X1_MODE 0x0001 #define PCIE_STAT_OFF 0x1a04 #define PCIE_STAT_DEV_OFFS 20 #define PCIE_STAT_DEV_MASK 0x1f @@ -62,6 +63,11 @@ int orion_pcie_link_up(void __iomem *base) return !(readl(base + PCIE_STAT_OFF) & PCIE_STAT_LINK_DOWN); } +int __init orion_pcie_x4_mode(void __iomem *base) +{ + return !(readl(base + PCIE_CTRL_OFF) & PCIE_CTRL_X1_MODE); +} + int orion_pcie_get_local_bus_nr(void __iomem *base) { u32 stat = readl(base + PCIE_STAT_OFF); |