Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux...
[wrt350n-kernel.git] / include / asm-arm / arch-shark / memory.h
blob6968d6103ea00b8386163184e1b64a98c151e201
1 /*
2 * linux/include/asm-arm/arch-shark/memory.h
4 * by Alexander Schulz
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
13 #include <asm/sizes.h>
16 * Physical DRAM offset.
18 #define PHYS_OFFSET UL(0x08000000)
20 #ifndef __ASSEMBLY__
22 static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size)
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;
32 #define arch_adjust_zones(node, size, holes) \
33 __arch_adjust_zones(node, size, holes)
35 #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1)
37 #endif
39 #define __virt_to_bus(x) __virt_to_phys(x)
40 #define __bus_to_virt(x) __phys_to_virt(x)
43 * Cache flushing area
45 #define FLUSH_BASE_PHYS 0x80000000
46 #define FLUSH_BASE 0xdf000000
48 #endif