| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 | 
|  | 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 | } |