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-rw-r--r--include/asm-arm/arch-orion/io.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/io.h b/include/asm-arm/arch-orion/io.h
index 42abd297ae5f..486dc04d7643 100644
--- a/include/asm-arm/arch-orion/io.h
+++ b/include/asm-arm/arch-orion/io.h
@@ -16,11 +16,37 @@
#define IO_SPACE_LIMIT 0xffffffff
#define IO_SPACE_REMAP ORION_PCI_SYS_IO_BASE
+static inline void __iomem *
+__arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype)
+{
+ void __iomem *retval;
+
+ if (mtype == MT_DEVICE && size && paddr >= ORION_REGS_PHYS_BASE &&
+ paddr + size <= ORION_REGS_PHYS_BASE + ORION_REGS_SIZE) {
+ retval = (void __iomem *)ORION_REGS_VIRT_BASE +
+ (paddr - ORION_REGS_PHYS_BASE);
+ } else {
+ retval = __arm_ioremap(paddr, size, mtype);
+ }
+
+ return retval;
+}
+
+static inline void
+__arch_iounmap(void __iomem *addr)
+{
+ if (addr < (void __iomem *)ORION_REGS_VIRT_BASE ||
+ addr >= (void __iomem *)(ORION_REGS_VIRT_BASE + ORION_REGS_SIZE))
+ __iounmap(addr);
+}
+
static inline void __iomem *__io(unsigned long addr)
{
return (void __iomem *)addr;
}
+#define __arch_ioremap(p, s, m) __arch_ioremap(p, s, m)
+#define __arch_iounmap(a) __arch_iounmap(a)
#define __io(a) __io(a)
#define __mem_pci(a) (a)