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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
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