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📄 io.h

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/* * linux/include/asm-arm/arch-sa1100/io.h * * Copyright (C) 1997-1999 Russell King * * Modifications: *  06-12-1997	RMK	Created. *  07-04-1999	RMK	Major cleanup */#ifndef __ASM_ARM_ARCH_IO_H#define __ASM_ARM_ARCH_IO_H#define IO_SPACE_LIMIT 0xffffffff/* * We don't actually have real ISA nor PCI buses, but there is so many  * drivers out there that might just work if we fake them... */#define __io(a)			(PCIO_BASE + (a))#define __mem_pci(a)		((unsigned long)(a))#define __mem_isa(a)		((unsigned long)(a))/* * Generic virtual read/write */#define __arch_getw(a)		(*(volatile unsigned short *)(a))#define __arch_putw(v,a)	(*(volatile unsigned short *)(a) = (v))#define iomem_valid_addr(iomem,sz)	(1)#define iomem_to_phys(iomem)		(iomem)#endif

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