1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Platform dependent support for DIG64 platforms.
 4 *
 5 * Copyright (C) 1999 Intel Corp.
 6 * Copyright (C) 1999, 2001 Hewlett-Packard Co
 7 * Copyright (C) 1999, 2001, 2003 David Mosberger-Tang <davidm@hpl.hp.com>
 8 * Copyright (C) 1999 VA Linux Systems
 9 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
10 * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
11 */
12
13#include <linux/init.h>
14#include <linux/delay.h>
15#include <linux/kernel.h>
16#include <linux/kdev_t.h>
17#include <linux/string.h>
18#include <linux/screen_info.h>
19#include <linux/console.h>
20#include <linux/timex.h>
21#include <linux/sched.h>
22#include <linux/root_dev.h>
23
24#include <asm/io.h>
25#include <asm/machvec.h>
26#include <asm/setup.h>
27
28void __init
29dig_setup (char **cmdline_p)
30{
31	unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
32
33	/*
34	 * Default to /dev/sda2.  This assumes that the EFI partition
35	 * is physical disk 1 partition 1 and the Linux root disk is
36	 * physical disk 1 partition 2.
37	 */
38	ROOT_DEV = Root_SDA2;		/* default to second partition on first drive */
39
40#ifdef CONFIG_SMP
41	init_smp_config();
42#endif
43
44	memset(&screen_info, 0, sizeof(screen_info));
45
46	if (!ia64_boot_param->console_info.num_rows
47	    || !ia64_boot_param->console_info.num_cols)
48	{
49		printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25\n");
50		orig_x = 0;
51		orig_y = 0;
52		num_cols = 80;
53		num_rows = 25;
54		font_height = 16;
55	} else {
56		orig_x = ia64_boot_param->console_info.orig_x;
57		orig_y = ia64_boot_param->console_info.orig_y;
58		num_cols = ia64_boot_param->console_info.num_cols;
59		num_rows = ia64_boot_param->console_info.num_rows;
60		font_height = 400 / num_rows;
61	}
62
63	screen_info.orig_x = orig_x;
64	screen_info.orig_y = orig_y;
65	screen_info.orig_video_cols  = num_cols;
66	screen_info.orig_video_lines = num_rows;
67	screen_info.orig_video_points = font_height;
68	screen_info.orig_video_mode = 3;	/* XXX fake */
69	screen_info.orig_video_isVGA = 1;	/* XXX fake */
70	screen_info.orig_video_ega_bx = 3;	/* XXX fake */
71}