/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2007 MIPS Technologies, Inc. * written by Ralf Baechle (ralf@linux-mips.org) */ #include <linux/console.h> #include <linux/init.h> #include <asm/setup.h> extern void prom_putchar(char); static void __init early_console_write(struct console *con, const char *s, unsigned n) { while (n-- && *s) { if (*s == '\n') prom_putchar('\r'); prom_putchar(*s); s++; } } static struct console early_console __initdata = { .name = "early", .write = early_console_write, .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1 }; static int early_console_initialized __initdata; void __init setup_early_printk(void) { if (early_console_initialized) return; early_console_initialized = 1; register_console(&early_console); }