1 /*
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 
21 void (*__wbflush)(void);
22 EXPORT_SYMBOL(__wbflush);
23 
wbflush_loongson(void)24 static 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 
plat_mem_setup(void)35 void __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 		.orig_x			= 0,
45 		.orig_y			= 25,
46 		.orig_video_cols	= 80,
47 		.orig_video_lines	= 25,
48 		.orig_video_isVGA	= VIDEO_TYPE_VGAC,
49 		.orig_video_points	= 16,
50 	};
51 #elif defined(CONFIG_DUMMY_CONSOLE)
52 	conswitchp = &dummy_con;
53 #endif
54 #endif
55 }
56