// SPDX-License-Identifier: GPL-2.0
/*
 * Wrap-around code for a console using the
 * ARC io-routines.
 *
 * Copyright (c) 1998 Harald Koerfgen
 * Copyright (c) 2001 Ralf Baechle
 * Copyright (c) 2002 Thiemo Seufer
 */
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/fs.h>
#include <asm/setup.h>
#include <asm/sgialib.h>

static void prom_console_write(struct console *co, const char *s,
                               unsigned count)
{
        /* Do each character */
        while (count--) {
                if (*s == '\n')
                        prom_putchar('\r');
                prom_putchar(*s++);
        }
}

static int prom_console_setup(struct console *co, char *options)
{
        if (prom_flags & PROM_FLAG_USE_AS_CONSOLE)
                return 0;
        return -ENODEV;
}

static struct console arc_cons = {
        .name           = "arc",
        .write          = prom_console_write,
        .setup          = prom_console_setup,
        .flags          = CON_PRINTBUFFER,
        .index          = -1,
};

/*
 *    Register console.
 */

static int __init arc_console_init(void)
{
        register_console(&arc_cons);

        return 0;
}
console_initcall(arc_console_init);