| /* |
| * arch/arm/mach-shark/include/mach/memory.h |
| * |
| * by Alexander Schulz |
| * |
| * derived from: |
| * arch/arm/mach-ebsa110/include/mach/memory.h |
| * Copyright (c) 1996-1999 Russell King. |
| */ |
| #ifndef __ASM_ARCH_MEMORY_H |
| #define __ASM_ARCH_MEMORY_H |
| |
| #include <asm/sizes.h> |
| |
| /* |
| * Physical DRAM offset. |
| */ |
| #define PHYS_OFFSET UL(0x08000000) |
| |
| #ifndef __ASSEMBLY__ |
| |
| static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size) |
| { |
| if (node != 0) return; |
| /* Only the first 4 MB (=1024 Pages) are usable for DMA */ |
| zone_size[1] = zone_size[0] - 1024; |
| zone_size[0] = 1024; |
| zhole_size[1] = zhole_size[0]; |
| zhole_size[0] = 0; |
| } |
| |
| #define arch_adjust_zones(node, size, holes) \ |
| __arch_adjust_zones(node, size, holes) |
| |
| #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1) |
| |
| #endif |
| |
| /* |
| * Cache flushing area |
| */ |
| #define FLUSH_BASE_PHYS 0x80000000 |
| #define FLUSH_BASE 0xdf000000 |
| |
| #endif |