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/*
* arch/arm/mach-kirkwood/include/mach/io.h
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_IO_H
#define __ASM_ARCH_IO_H
#include "kirkwood.h"
#define IO_SPACE_LIMIT 0xffffffff
static inline void __iomem *__io(unsigned long addr)
{
return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_PHYS_BASE)
+ KIRKWOOD_PCIE_IO_VIRT_BASE);
}
static inline void __iomem *
__arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype)
{
void __iomem *retval;
unsigned long offs = paddr - KIRKWOOD_REGS_PHYS_BASE;
if (mtype == MT_DEVICE && size && offs < KIRKWOOD_REGS_SIZE &&
size <= KIRKWOOD_REGS_SIZE && offs + size <= KIRKWOOD_REGS_SIZE) {
retval = (void __iomem *)KIRKWOOD_REGS_VIRT_BASE + offs;
} else {
retval = __arm_ioremap(paddr, size, mtype);
}
return retval;
}
static inline void
__arch_iounmap(void __iomem *addr)
{
if (addr < (void __iomem *)KIRKWOOD_REGS_VIRT_BASE ||
addr >= (void __iomem *)(KIRKWOOD_REGS_VIRT_BASE + KIRKWOOD_REGS_SIZE))
__iounmap(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)
#endif
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