long vs. unsigned long - low-hanging fruits in drivers
[linux-2.6.git] / 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/system.h>
26
27 void __init
28 dig_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 }