blob: 4cd2aa9a342ce2b0dec704c6ae4c1b818da17eb2 [file] [log] [blame]
Wu Zhangjin85749d22009-07-02 23:26:45 +08001/*
2 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
3 * Author: Fuxin Zhang, zhangfx@lemote.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#include <linux/module.h>
11
12#include <asm/wbflush.h>
13
14#include <loongson.h>
15
16#ifdef CONFIG_VT
17#include <linux/console.h>
18#include <linux/screen_info.h>
19#endif
20
21void (*__wbflush)(void);
22EXPORT_SYMBOL(__wbflush);
23
24static void wbflush_loongson(void)
25{
26 asm(".set\tpush\n\t"
27 ".set\tnoreorder\n\t"
28 ".set mips3\n\t"
29 "sync\n\t"
30 "nop\n\t"
31 ".set\tpop\n\t"
32 ".set mips0\n\t");
33}
34
35void __init plat_mem_setup(void)
36{
37 __wbflush = wbflush_loongson;
38
39#ifdef CONFIG_VT
40#if defined(CONFIG_VGA_CONSOLE)
41 conswitchp = &vga_con;
42
43 screen_info = (struct screen_info) {
44 0, 25, /* orig-x, orig-y */
45 0, /* unused */
46 0, /* orig-video-page */
47 0, /* orig-video-mode */
48 80, /* orig-video-cols */
49 0, 0, 0, /* ega_ax, ega_bx, ega_cx */
50 25, /* orig-video-lines */
51 VIDEO_TYPE_VGAC, /* orig-video-isVGA */
52 16 /* orig-video-points */
53 };
54#elif defined(CONFIG_DUMMY_CONSOLE)
55 conswitchp = &dummy_con;
56#endif
57#endif
58}