1/* 2 * linux/include/asm-arm/arch-shark/memory.h 3 * 4 * by Alexander Schulz 5 * 6 * derived from: 7 * linux/include/asm-arm/arch-ebsa110/memory.h 8 * Copyright (c) 1996-1999 Russell King. 9 */ 10#ifndef __ASM_ARCH_MEMORY_H 11#define __ASM_ARCH_MEMORY_H 12 13/* 14 * Task size: 3GB 15 */ 16#define TASK_SIZE (0xc0000000UL) 17#define TASK_SIZE_26 (0x04000000UL) 18 19/* 20 * This decides where the kernel will search for a free chunk of vm 21 * space during mmap's. 22 */ 23#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) 24 25/* 26 * Page offset: = 3GB 27 */ 28#define PAGE_OFFSET (0xC0000000UL) 29#define PHYS_OFFSET (0x08000000UL) 30 31#define __virt_to_phys__is_a_macro 32#define __phys_to_virt__is_a_macro 33#define __virt_to_phys(vpage) (vpage - PAGE_OFFSET + PHYS_OFFSET) 34#define __phys_to_virt(ppage) (ppage - PHYS_OFFSET + PAGE_OFFSET) 35 36#define __virt_to_bus__is_a_macro 37#define __virt_to_bus(x) __virt_to_phys(x) 38#define __bus_to_virt__is_a_macro 39#define __bus_to_virt(x) __phys_to_virt(x) 40 41#define PHYS_TO_NID(addr) (0) 42 43#endif 44