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 */