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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 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/config.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/kdev_t.h>
#include <linux/string.h>
#include <linux/tty.h>
#include <linux/console.h>
#include <linux/timex.h>
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/machvec.h>
#include <asm/system.h>
/*
* This is here so we can use the CMOS detection in ide-probe.c to
* determine what drives are present. In theory, we don't need this
* as the auto-detection could be done via ide-probe.c:do_probe() but
* in practice that would be much slower, which is painful when
* running in the simulator. Note that passing zeroes in DRIVE_INFO
* is sufficient (the IDE driver will autodetect the drive geometry).
*/
char drive_info[4*16];
unsigned char aux_device_present = 0xaa; /* XXX remove this when legacy I/O is gone */
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 = to_kdev_t(0x0802); /* 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("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 */
}
void
dig_irq_init (void)
{
/*
* Disable the compatibility mode interrupts (8259 style), needs IN/OUT support
* enabled.
*/
outb(0xff, 0xA1);
outb(0xff, 0x21);
}
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