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Wu Zhangjin85749d22009-07-02 23:26:45 +08001/*
Wu Zhangjin6f7a2512009-11-06 18:45:05 +08002 * Copyright (C) 2009 Lemote, Inc.
Wu Zhangjinf7a904d2010-01-04 17:16:51 +08003 * Author: Wu Zhangjin <wuzhangjin@gmail.com>
Wu Zhangjin85749d22009-07-02 23:26:45 +08004 *
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/*
Wu Zhangjin6f7a2512009-11-06 18:45:05 +080015 * high memory space
Wu Zhangjin85749d22009-07-02 23:26:45 +080016 *
Wu Zhangjin6f7a2512009-11-06 18:45:05 +080017 * 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.
Wu Zhangjin85749d22009-07-02 23:26:45 +080031 */
32
Wu Zhangjin85749d22009-07-02 23:26:45 +080033#define LOONGSON_MMIO_MEM_START 0x10000000
Wu Zhangjin85749d22009-07-02 23:26:45 +080034
Wu Zhangjin6f7a2512009-11-06 18:45:05 +080035#ifdef CONFIG_CPU_LOONGSON2E
36#define LOONGSON_MMIO_MEM_END 0x20000000
37#else
38#define LOONGSON_MMIO_MEM_END 0x80000000
Wu Zhangjin85749d22009-07-02 23:26:45 +080039#endif
40
41#endif /* __ASM_MACH_LOONGSON_MEM_H */