1 /*
2  * Copyright (C) 2007 Lemote Inc. & Institute 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 #include <asm/bootinfo.h>
14 
15 #include <loongson.h>
16 
17 #ifdef CONFIG_VT
18 #include <linux/console.h>
19 #include <linux/screen_info.h>
20 #endif
21 
wbflush_loongson(void)22 static void wbflush_loongson(void)
23 {
24 	asm(".set\tpush\n\t"
25 	    ".set\tnoreorder\n\t"
26 	    ".set mips3\n\t"
27 	    "sync\n\t"
28 	    "nop\n\t"
29 	    ".set\tpop\n\t"
30 	    ".set mips0\n\t");
31 }
32 
33 void (*__wbflush)(void) = wbflush_loongson;
34 EXPORT_SYMBOL(__wbflush);
35 
plat_mem_setup(void)36 void __init plat_mem_setup(void)
37 {
38 #ifdef CONFIG_VT
39 #if defined(CONFIG_VGA_CONSOLE)
40 	conswitchp = &vga_con;
41 
42 	screen_info = (struct screen_info) {
43 		.orig_x			= 0,
44 		.orig_y			= 25,
45 		.orig_video_cols	= 80,
46 		.orig_video_lines	= 25,
47 		.orig_video_isVGA	= VIDEO_TYPE_VGAC,
48 		.orig_video_points	= 16,
49 	};
50 #elif defined(CONFIG_DUMMY_CONSOLE)
51 	conswitchp = &dummy_con;
52 #endif
53 #endif
54 }
55