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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 2007 MIPS Technologies, Inc.
8 * written by Ralf Baechle (ralf@linux-mips.org)
9 */
10#include <linux/console.h>
11#include <linux/init.h>
12
13#include <asm/setup.h>
14
15extern void prom_putchar(char);
16
17static void __init
18early_console_write(struct console *con, const char *s, unsigned n)
19{
20 while (n-- && *s) {
21 if (*s == '\n')
22 prom_putchar('\r');
23 prom_putchar(*s);
24 s++;
25 }
26}
27
28static struct console early_console __initdata = {
29 .name = "early",
30 .write = early_console_write,
31 .flags = CON_PRINTBUFFER | CON_BOOT,
32 .index = -1
33};
34
35static int early_console_initialized __initdata;
36
37void __init setup_early_printk(void)
38{
39 if (early_console_initialized)
40 return;
41 early_console_initialized = 1;
42
43 register_console(&early_console);
44}
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 2007 MIPS Technologies, Inc.
8 * written by Ralf Baechle (ralf@linux-mips.org)
9 */
10#include <linux/kernel.h>
11#include <linux/console.h>
12#include <linux/printk.h>
13#include <linux/init.h>
14
15#include <asm/setup.h>
16
17static void early_console_write(struct console *con, const char *s, unsigned n)
18{
19 while (n-- && *s) {
20 if (*s == '\n')
21 prom_putchar('\r');
22 prom_putchar(*s);
23 s++;
24 }
25}
26
27static struct console early_console_prom = {
28 .name = "early",
29 .write = early_console_write,
30 .flags = CON_PRINTBUFFER | CON_BOOT,
31 .index = -1
32};
33
34void __init setup_early_printk(void)
35{
36 if (early_console)
37 return;
38 early_console = &early_console_prom;
39
40 register_console(&early_console_prom);
41}