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/*
* 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) 2014 Finn Thain
*/
#include <linux/kernel.h>
#include <linux/console.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/setup.h>
#include "../mvme147/mvme147.h"
#include "../mvme16x/mvme16x.h"
asmlinkage void __init debug_cons_nputs(struct console *c, const char *s, unsigned int n);
static struct console early_console_instance = {
.name = "debug",
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1
};
static int __init setup_early_printk(char *buf)
{
if (early_console || buf)
return 0;
if (MACH_IS_MVME147)
early_console_instance.write = mvme147_scc_write;
else if (MACH_IS_MVME16x)
early_console_instance.write = mvme16x_cons_write;
else
early_console_instance.write = debug_cons_nputs;
early_console = &early_console_instance;
register_console(early_console);
return 0;
}
early_param("earlyprintk", setup_early_printk);
static int __init unregister_early_console(void)
{
/*
* debug_cons_nputs() defined in arch/m68k/kernel/head.S cannot be
* called after init sections are discarded (for platforms that use it).
*/
if (early_console && early_console->write == debug_cons_nputs)
return unregister_console(early_console);
return 0;
}
late_initcall(unregister_early_console);
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