LXR linux/arch/ia64/dig/setup.c

   1/*
   2 * Platform dependent support for DIG64 platforms.
   3 *
   4 * Copyright (C) 1999 Intel Corp.
   5 * Copyright (C) 1999, 2001 Hewlett-Packard Co
   6 * Copyright (C) 1999, 2001, 2003 David Mosberger-Tang <davidm@hpl.hp.com>
   7 * Copyright (C) 1999 VA Linux Systems
   8 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
   9 * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
  10 */
  11
  12#include <linux/init.h>
  13#include <linux/delay.h>
  14#include <linux/kernel.h>
  15#include <linux/kdev_t.h>
  16#include <linux/string.h>
  17#include <linux/screen_info.h>
  18#include <linux/console.h>
  19#include <linux/timex.h>
  20#include <linux/sched.h>
  21#include <linux/root_dev.h>
  22
  23#include <asm/io.h>
  24#include <asm/machvec.h>
  25#include <asm/setup.h>
  26
  27void __init
  28dig_setup (char **cmdline_p)
  29{
  30        unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
  31
  32        /*
  33         * Default to /dev/sda2.  This assumes that the EFI partition
  34         * is physical disk 1 partition 1 and the Linux root disk is
  35         * physical disk 1 partition 2.
  36         */
  37        ROOT_DEV = Root_SDA2;           /* default to second partition on first drive */
  38
  39#ifdef CONFIG_SMP
  40        init_smp_config();
  41#endif
  42
  43        memset(&screen_info, 0, sizeof(screen_info));
  44
  45        if (!ia64_boot_param->console_info.num_rows
  46            || !ia64_boot_param->console_info.num_cols)
  47        {
  48                printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25\n");
  49                orig_x = 0;
  50                orig_y = 0;
  51                num_cols = 80;
  52                num_rows = 25;
  53                font_height = 16;
  54        } else {
  55                orig_x = ia64_boot_param->console_info.orig_x;
  56                orig_y = ia64_boot_param->console_info.orig_y;
  57                num_cols = ia64_boot_param->console_info.num_cols;
  58                num_rows = ia64_boot_param->console_info.num_rows;
  59                font_height = 400 / num_rows;
  60        }
  61
  62        screen_info.orig_x = orig_x;
  63        screen_info.orig_y = orig_y;
  64        screen_info.orig_video_cols  = num_cols;
  65        screen_info.orig_video_lines = num_rows;
  66        screen_info.orig_video_points = font_height;
  67        screen_info.orig_video_mode = 3;        /* XXX fake */
  68        screen_info.orig_video_isVGA = 1;       /* XXX fake */
  69        screen_info.orig_video_ega_bx = 3;      /* XXX fake */
  70}
  71