diff options
Diffstat (limited to 'include/asm-arm/arch-ebsa285/io.h')
-rw-r--r-- | include/asm-arm/arch-ebsa285/io.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa285/io.h b/include/asm-arm/arch-ebsa285/io.h new file mode 100644 index 000000000000..70576b17f922 --- /dev/null +++ b/include/asm-arm/arch-ebsa285/io.h | |||
@@ -0,0 +1,45 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-ebsa285/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 | |||
17 | #define IO_SPACE_LIMIT 0xffff | ||
18 | |||
19 | /* | ||
20 | * Translation of various region addresses to virtual addresses | ||
21 | */ | ||
22 | #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) | ||
23 | #if 1 | ||
24 | #define __mem_pci(a) (a) | ||
25 | #define __mem_isa(a) ((a) + PCIMEM_BASE) | ||
26 | #else | ||
27 | |||
28 | static inline void __iomem *___mem_pci(void __iomem *p) | ||
29 | { | ||
30 | unsigned long a = (unsigned long)p; | ||
31 | BUG_ON(a <= 0xc0000000 || a >= 0xe0000000); | ||
32 | return p; | ||
33 | } | ||
34 | |||
35 | static inline void __iomem *___mem_isa(void __iomem *p) | ||
36 | { | ||
37 | unsigned long a = (unsigned long)p; | ||
38 | BUG_ON(a >= 16*1048576); | ||
39 | return p + PCIMEM_BASE; | ||
40 | } | ||
41 | #define __mem_pci(a) ___mem_pci(a) | ||
42 | #define __mem_isa(a) ___mem_isa(a) | ||
43 | #endif | ||
44 | |||
45 | #endif | ||