1/* 2 * Copyright (C) 2009 Lemote, Inc. 3 * Author: Wu Zhangjin <wuzhangjin@gmail.com> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License as published by the 7 * Free Software Foundation; either version 2 of the License, or (at your 8 * option) any later version. 9 */ 10 11#ifndef __ASM_MACH_LOONGSON_MEM_H 12#define __ASM_MACH_LOONGSON_MEM_H 13 14/* 15 * high memory space 16 * 17 * in loongson2e, starts from 512M 18 * in loongson2f, starts from 2G 256M 19 */ 20#ifdef CONFIG_CPU_LOONGSON2E 21#define LOONGSON_HIGHMEM_START 0x20000000 22#else 23#define LOONGSON_HIGHMEM_START 0x90000000 24#endif 25 26/* 27 * the peripheral registers(MMIO): 28 * 29 * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. 30 * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. 31 */ 32 33#define LOONGSON_MMIO_MEM_START 0x10000000 34 35#ifdef CONFIG_CPU_LOONGSON2E 36#define LOONGSON_MMIO_MEM_END 0x20000000 37#else 38#define LOONGSON_MMIO_MEM_END 0x80000000 39#endif 40 41#endif /* __ASM_MACH_LOONGSON_MEM_H */ 42