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/* * linux/include/asm-arm/arch-shark/memory.h * * by Alexander Schulz * * derived from: * linux/include/asm-arm/arch-ebsa110/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 #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) /* * Cache flushing area */ #define FLUSH_BASE_PHYS 0x80000000 #define FLUSH_BASE 0xdf000000 #endif |