| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-footbridge/include/mach/io.h |
| 3 | * |
| 4 | * Copyright (C) 1997-1999 Russell King |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * Modifications: |
| 11 | * 06-12-1997 RMK Created. |
| 12 | * 07-04-1999 RMK Major cleanup |
| 13 | */ |
| 14 | #ifndef __ASM_ARM_ARCH_IO_H |
| 15 | #define __ASM_ARM_ARCH_IO_H |
| 16 | |
| Stepan Moskovchenko | 6fa85e5 | 2011-03-10 05:12:25 +0100 | [diff] [blame] | 17 | #ifdef CONFIG_MMU |
| 18 | #define MMU_IO(a, b) (a) |
| 19 | #else |
| 20 | #define MMU_IO(a, b) (b) |
| 21 | #endif |
| 22 | |
| 23 | #define PCIO_SIZE 0x00100000 |
| 24 | #define PCIO_BASE MMU_IO(0xff000000, 0x7c000000) |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 25 | |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 26 | /* |
| 27 | * Translation of various region addresses to virtual addresses |
| 28 | */ |
| 29 | #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | |
| 31 | #endif |