| 1 | /* |
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| 2 | * Platform dependent support for DIG64 platforms. |
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| 3 | * |
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| 4 | * Copyright (C) 1999 Intel Corp. |
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| 5 | * Copyright (C) 1999, 2001 Hewlett-Packard Co |
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| 6 | * Copyright (C) 1999, 2001, 2003 David Mosberger-Tang <davidm@hpl.hp.com> |
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| 7 | * Copyright (C) 1999 VA Linux Systems |
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| 8 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> |
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| 9 | * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com> |
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| 10 | */ |
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| 11 | |
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| 12 | #include <linux/init.h> |
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| 13 | #include <linux/delay.h> |
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| 14 | #include <linux/kernel.h> |
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| 15 | #include <linux/kdev_t.h> |
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| 16 | #include <linux/string.h> |
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| 17 | #include <linux/screen_info.h> |
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| 18 | #include <linux/console.h> |
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| 19 | #include <linux/timex.h> |
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| 20 | #include <linux/sched.h> |
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| 21 | #include <linux/root_dev.h> |
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| 22 | |
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| 23 | #include <asm/io.h> |
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| 24 | #include <asm/machvec.h> |
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| 25 | #include <asm/system.h> |
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| 26 | |
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| 27 | #include <xen/xencons.h> |
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| 28 | |
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| 29 | void __init |
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| 30 | dig_setup (char **cmdline_p) |
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| 31 | { |
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| 32 | unsigned int orig_x, orig_y, num_cols, num_rows, font_height; |
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| 33 | |
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| 34 | /* |
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| 35 | * Default to /dev/sda2. This assumes that the EFI partition |
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| 36 | * is physical disk 1 partition 1 and the Linux root disk is |
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| 37 | * physical disk 1 partition 2. |
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| 38 | */ |
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| 39 | ROOT_DEV = Root_SDA2; /* default to second partition on first drive */ |
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| 40 | |
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| 41 | #ifdef CONFIG_SMP |
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| 42 | init_smp_config(); |
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| 43 | #endif |
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| 44 | |
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| 45 | memset(&screen_info, 0, sizeof(screen_info)); |
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| 46 | |
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| 47 | if (!ia64_boot_param->console_info.num_rows |
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| 48 | || !ia64_boot_param->console_info.num_cols) |
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| 49 | { |
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| 50 | printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25\n"); |
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| 51 | orig_x = 0; |
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| 52 | orig_y = 0; |
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| 53 | num_cols = 80; |
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| 54 | num_rows = 25; |
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| 55 | font_height = 16; |
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| 56 | } else { |
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| 57 | orig_x = ia64_boot_param->console_info.orig_x; |
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| 58 | orig_y = ia64_boot_param->console_info.orig_y; |
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| 59 | num_cols = ia64_boot_param->console_info.num_cols; |
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| 60 | num_rows = ia64_boot_param->console_info.num_rows; |
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| 61 | font_height = 400 / num_rows; |
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| 62 | } |
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| 63 | |
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| 64 | screen_info.orig_x = orig_x; |
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| 65 | screen_info.orig_y = orig_y; |
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| 66 | screen_info.orig_video_cols = num_cols; |
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| 67 | screen_info.orig_video_lines = num_rows; |
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| 68 | screen_info.orig_video_points = font_height; |
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| 69 | screen_info.orig_video_mode = 3; /* XXX fake */ |
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| 70 | screen_info.orig_video_isVGA = 1; /* XXX fake */ |
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| 71 | screen_info.orig_video_ega_bx = 3; /* XXX fake */ |
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| 72 | #ifdef CONFIG_XEN |
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| 73 | if (!is_running_on_xen() || !is_initial_xendomain()) |
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| 74 | return; |
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| 75 | |
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| 76 | if (xen_start_info->console.dom0.info_size >= |
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| 77 | sizeof(struct dom0_vga_console_info)) { |
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| 78 | const struct dom0_vga_console_info *info = |
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| 79 | (struct dom0_vga_console_info *)( |
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| 80 | (char *)xen_start_info + |
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| 81 | xen_start_info->console.dom0.info_off); |
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| 82 | dom0_init_screen_info(info); |
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| 83 | } |
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| 84 | xen_start_info->console.domU.mfn = 0; |
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| 85 | xen_start_info->console.domU.evtchn = 0; |
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| 86 | #endif |
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| 87 | } |
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