/* * linux/include/asm-armnommu/arch-jasper/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 *  12-13-2001  FG      Forked from atmel to jasper*/#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 __io(a)		(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