arch/mips/loongson64/common/setup.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
   4  * Author: Fuxin Zhang, zhangfx@lemote.com
   5  */
   6 #include <linux/export.h>
   7 #include <linux/init.h>
   8
   9 #include <asm/wbflush.h>
  10 #include <asm/bootinfo.h>
  11
  12 #include <loongson.h>
  13
  14 #ifdef CONFIG_VT
  15 #include <linux/console.h>
  16 #include <linux/screen_info.h>
  17 #endif
  18
  19 static void wbflush_loongson(void)
  20 {
  21         asm(".set\tpush\n\t"
  22             ".set\tnoreorder\n\t"
  23             ".set mips3\n\t"
  24             "sync\n\t"
  25             "nop\n\t"
  26             ".set\tpop\n\t"
  27             ".set mips0\n\t");
  28 }
  29
  30 void (*__wbflush)(void) = wbflush_loongson;
  31 EXPORT_SYMBOL(__wbflush);
  32
  33 void __init plat_mem_setup(void)
  34 {
  35 #ifdef CONFIG_VT
  36 #if defined(CONFIG_VGA_CONSOLE)
  37         conswitchp = &vga_con;
  38
  39         screen_info = (struct screen_info) {
  40                 .orig_x                 = 0,
  41                 .orig_y                 = 25,
  42                 .orig_video_cols        = 80,
  43                 .orig_video_lines       = 25,
  44                 .orig_video_isVGA       = VIDEO_TYPE_VGAC,
  45                 .orig_video_points      = 16,
  46         };
  47 #elif defined(CONFIG_DUMMY_CONSOLE)
  48         conswitchp = &dummy_con;
  49 #endif
  50 #endif
  51 }