Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/include/asm-arm/arch-shark/memory.h | |
3 | * | |
4 | * by Alexander Schulz | |
5 | * | |
6 | * derived from: | |
7 | * linux/include/asm-arm/arch-ebsa110/memory.h | |
8 | * Copyright (c) 1996-1999 Russell King. | |
9 | */ | |
10 | #ifndef __ASM_ARCH_MEMORY_H | |
11 | #define __ASM_ARCH_MEMORY_H | |
12 | ||
13 | #include <asm/sizes.h> | |
14 | ||
15 | /* | |
16 | * Physical DRAM offset. | |
17 | */ | |
f09b9979 | 18 | #define PHYS_OFFSET UL(0x08000000) |
1da177e4 LT |
19 | |
20 | #ifndef __ASSEMBLY__ | |
21 | ||
22 | static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size) | |
23 | { | |
24 | if (node != 0) return; | |
25 | /* Only the first 4 MB (=1024 Pages) are usable for DMA */ | |
26 | zone_size[1] = zone_size[0] - 1024; | |
27 | zone_size[0] = 1024; | |
28 | zhole_size[1] = zhole_size[0]; | |
29 | zhole_size[0] = 0; | |
30 | } | |
31 | ||
32 | #define arch_adjust_zones(node, size, holes) \ | |
33 | __arch_adjust_zones(node, size, holes) | |
34 | ||
35 | #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1) | |
36 | ||
37 | #endif | |
38 | ||
39 | #define __virt_to_bus(x) __virt_to_phys(x) | |
40 | #define __bus_to_virt(x) __phys_to_virt(x) | |
41 | ||
74d02fb9 RK |
42 | /* |
43 | * Cache flushing area | |
44 | */ | |
45 | #define FLUSH_BASE_PHYS 0x80000000 | |
46 | #define FLUSH_BASE 0xdf000000 | |
47 | ||
1da177e4 | 48 | #endif |