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_LOONGSON64_MEM_H
12#define __ASM_MACH_LOONGSON64_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_LOONGSON64_MEM_H */
42