setup.c

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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 <[email protected]>
 * Copyright (C) 1999 VA Linux Systems
 * Copyright (C) 1999 Walt Drummond <[email protected]>
 * Copyright (C) 1999 Vijay Chander <[email protected]>
 */

#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\n");
        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 */
}