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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)
#endif
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