Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
a09e64fb | 2 | * arch/arm/mach-footbridge/include/mach/io.h |
1da177e4 LT |
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 | ||
32687817 RK |
17 | #define PCIO_SIZE 0x00100000 |
18 | #define PCIO_BASE 0xff000000 | |
7fca0aa4 | 19 | |
1da177e4 LT |
20 | #define IO_SPACE_LIMIT 0xffff |
21 | ||
22 | /* | |
23 | * Translation of various region addresses to virtual addresses | |
24 | */ | |
25 | #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) | |
26 | #if 1 | |
27 | #define __mem_pci(a) (a) | |
1da177e4 LT |
28 | #else |
29 | ||
30 | static inline void __iomem *___mem_pci(void __iomem *p) | |
31 | { | |
32 | unsigned long a = (unsigned long)p; | |
33 | BUG_ON(a <= 0xc0000000 || a >= 0xe0000000); | |
34 | return p; | |
35 | } | |
36 | ||
1da177e4 | 37 | #define __mem_pci(a) ___mem_pci(a) |
1da177e4 LT |
38 | #endif |
39 | ||
40 | #endif |