/* * linux/include/asm-arm/arch-ebsa285/io.h * * Copyright (C) 1997-1999 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Modifications: * 06-12-1997 RMK Created. * 07-04-1999 RMK Major cleanup */ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H #include <asm/hardware.h> #define IO_SPACE_LIMIT 0xffff /* * Translation of various region addresses to virtual addresses */ #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) #if 1 #define __mem_pci(a) (a) #define __mem_isa(a) ((a) + PCIMEM_BASE) #else static inline void __iomem *___mem_pci(void __iomem *p) { unsigned long a = (unsigned long)p; BUG_ON(a <= 0xc0000000 || a >= 0xe0000000); return p; } static inline void __iomem *___mem_isa(void __iomem *p) { unsigned long a = (unsigned long)p; BUG_ON(a >= 16*1048576); return p + PCIMEM_BASE; } #define __mem_pci(a) ___mem_pci(a) #define __mem_isa(a) ___mem_isa(a) #endif #endif