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
28 void __init
dig_setup(char ** cmdline_p)29 dig_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 }
72
