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/*
* linux/include/asm-armnommu/arch-W90N745/io.h
*
* Copyright (C) 1997-1999 Russell King
*
* Modifications:
* 06-12-1997 RMK Created.
* 07-04-1999 RMK Major cleanup
* 02-19-2001 gjm Leveraged for armnommu/dsc21
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
/*
* kernel/resource.c uses this to initialize the global ioport_resource struct
* which is used in all calls to request_resource(), allocate_resource(), etc.
* --gmcnutt
*/
#define IO_SPACE_LIMIT 0xffffffff
/*
* If we define __io then asm/io.h will take care of most of the inb & friends
* macros. It still leaves us some 16bit macros to deal with ourselves, though.
* We don't have PCI or ISA on the dsc21 so I dropped __mem_pci & __mem_isa.
* --gmcnutt
*/
#define PCIO_BASE 0
#define __io(a) (PCIO_BASE + (a))
#define __arch_getw(a) (*(volatile unsigned short *)(a))
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
/*
* Defining these two gives us ioremap for free. See asm/io.h.
* --gmcnutt
*/
#define iomem_valid_addr(iomem,sz) (1)
#define iomem_to_phys(iomem) (iomem)
#endif
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