| /* |
| * arch/arm/mach-footbridge/include/mach/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 |
| |
| #ifdef CONFIG_MMU |
| #define MMU_IO(a, b) (a) |
| #else |
| #define MMU_IO(a, b) (b) |
| #endif |
| |
| #define PCIO_SIZE 0x00100000 |
| #define PCIO_BASE MMU_IO(0xff000000, 0x7c000000) |
| |
| #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) |
| #else |
| |
| static inline void __iomem *___mem_pci(void __iomem *p) |
| { |
| unsigned long a = (unsigned long)p; |
| BUG_ON(a <= 0xc0000000 || a >= 0xe0000000); |
| return p; |
| } |
| |
| #define __mem_pci(a) ___mem_pci(a) |
| #endif |
| |
| #endif |
