1/* 2 * linux/include/asm-arm/arch-h720x/memory.h 3 * 4 * Copyright (c) 2000 Jungjun Kim 5 * 6 */ 7#ifndef __ASM_ARCH_MEMORY_H 8#define __ASM_ARCH_MEMORY_H 9 10/* 11 * Page offset: 12 * ( 0xc0000000UL ) 13 */ 14#define PHYS_OFFSET UL(0x40000000) 15 16/* 17 * Virtual view <-> DMA view memory address translations 18 * virt_to_bus: Used to translate the virtual address to an 19 * address suitable to be passed to set_dma_addr 20 * bus_to_virt: Used to convert an address for DMA operations 21 * to an address that the kernel can use. 22 * 23 * There is something to do here later !, Mar 2000, Jungjun Kim 24 */ 25 26#define __virt_to_bus(x) __virt_to_phys(x) 27#define __bus_to_virt(x) __phys_to_virt(x) 28 29#endif 30