2 * Platform dependent support for DIG64 platforms.
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>
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>
24 #include <asm/machvec.h>
25 #include <asm/system.h>
27 #include <xen/xencons.h>
30 dig_setup (char **cmdline_p)
32 unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
35 * Default to /dev/sda2. This assumes that the EFI partition
36 * is physical disk 1 partition 1 and the Linux root disk is
37 * physical disk 1 partition 2.
39 ROOT_DEV = Root_SDA2; /* default to second partition on first drive */
45 memset(&screen_info, 0, sizeof(screen_info));
47 if (!ia64_boot_param->console_info.num_rows
48 || !ia64_boot_param->console_info.num_cols)
50 printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25\n");
57 orig_x = ia64_boot_param->console_info.orig_x;
58 orig_y = ia64_boot_param->console_info.orig_y;
59 num_cols = ia64_boot_param->console_info.num_cols;
60 num_rows = ia64_boot_param->console_info.num_rows;
61 font_height = 400 / num_rows;
64 screen_info.orig_x = orig_x;
65 screen_info.orig_y = orig_y;
66 screen_info.orig_video_cols = num_cols;
67 screen_info.orig_video_lines = num_rows;
68 screen_info.orig_video_points = font_height;
69 screen_info.orig_video_mode = 3; /* XXX fake */
70 screen_info.orig_video_isVGA = 1; /* XXX fake */
71 screen_info.orig_video_ega_bx = 3; /* XXX fake */
73 if (!is_running_on_xen() || !is_initial_xendomain())
76 if (xen_start_info->console.dom0.info_size >=
77 sizeof(struct dom0_vga_console_info)) {
78 const struct dom0_vga_console_info *info =
79 (struct dom0_vga_console_info *)(
80 (char *)xen_start_info +
81 xen_start_info->console.dom0.info_off);
82 dom0_init_screen_info(info);
84 xen_start_info->console.domU.mfn = 0;
85 xen_start_info->console.domU.evtchn = 0;