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kernel/linux-imx6_3.14.28/arch/ia64/dig/setup.c 1.96 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * Platform dependent support for DIG64 platforms.
   *
   * Copyright (C) 1999 Intel Corp.
   * Copyright (C) 1999, 2001 Hewlett-Packard Co
   * Copyright (C) 1999, 2001, 2003 David Mosberger-Tang <davidm@hpl.hp.com>
   * Copyright (C) 1999 VA Linux Systems
   * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
   * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
   */
  
  #include <linux/init.h>
  #include <linux/delay.h>
  #include <linux/kernel.h>
  #include <linux/kdev_t.h>
  #include <linux/string.h>
  #include <linux/screen_info.h>
  #include <linux/console.h>
  #include <linux/timex.h>
  #include <linux/sched.h>
  #include <linux/root_dev.h>
  
  #include <asm/io.h>
  #include <asm/machvec.h>
  #include <asm/setup.h>
  
  void __init
  dig_setup (char **cmdline_p)
  {
  	unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
  
  	/*
  	 * Default to /dev/sda2.  This assumes that the EFI partition
  	 * is physical disk 1 partition 1 and the Linux root disk is
  	 * physical disk 1 partition 2.
  	 */
  	ROOT_DEV = Root_SDA2;		/* default to second partition on first drive */
  
  #ifdef CONFIG_SMP
  	init_smp_config();
  #endif
  
  	memset(&screen_info, 0, sizeof(screen_info));
  
  	if (!ia64_boot_param->console_info.num_rows
  	    || !ia64_boot_param->console_info.num_cols)
  	{
  		printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25
  ");
  		orig_x = 0;
  		orig_y = 0;
  		num_cols = 80;
  		num_rows = 25;
  		font_height = 16;
  	} else {
  		orig_x = ia64_boot_param->console_info.orig_x;
  		orig_y = ia64_boot_param->console_info.orig_y;
  		num_cols = ia64_boot_param->console_info.num_cols;
  		num_rows = ia64_boot_param->console_info.num_rows;
  		font_height = 400 / num_rows;
  	}
  
  	screen_info.orig_x = orig_x;
  	screen_info.orig_y = orig_y;
  	screen_info.orig_video_cols  = num_cols;
  	screen_info.orig_video_lines = num_rows;
  	screen_info.orig_video_points = font_height;
  	screen_info.orig_video_mode = 3;	/* XXX fake */
  	screen_info.orig_video_isVGA = 1;	/* XXX fake */
  	screen_info.orig_video_ega_bx = 3;	/* XXX fake */
  }