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setup.c

/*
 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
 * Author: Fuxin Zhang, zhangfx@lemote.com
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */
#include <linux/module.h>

#include <asm/wbflush.h>

#include <loongson.h>

#ifdef CONFIG_VT
#include <linux/console.h>
#include <linux/screen_info.h>
#endif

void (*__wbflush)(void);
EXPORT_SYMBOL(__wbflush);

static void wbflush_loongson(void)
{
      asm(".set\tpush\n\t"
          ".set\tnoreorder\n\t"
          ".set mips3\n\t"
          "sync\n\t"
          "nop\n\t"
          ".set\tpop\n\t"
          ".set mips0\n\t");
}

void __init plat_mem_setup(void)
{
      __wbflush = wbflush_loongson;

#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
      conswitchp = &vga_con;

      screen_info = (struct screen_info) {
            0, 25,            /* orig-x, orig-y */
                0,            /* unused */
                0,            /* orig-video-page */
                0,            /* orig-video-mode */
                80,           /* orig-video-cols */
                0, 0, 0,      /* ega_ax, ega_bx, ega_cx */
                25,           /* orig-video-lines */
                VIDEO_TYPE_VGAC,    /* orig-video-isVGA */
                16            /* orig-video-points */
      };
#elif defined(CONFIG_DUMMY_CONSOLE)
      conswitchp = &dummy_con;
#endif
#endif
}

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