LXR linux/arch/mips/fw/arc/arc

   1/*
   2 * Wrap-around code for a console using the
   3 * ARC io-routines.
   4 *
   5 * Copyright (c) 1998 Harald Koerfgen
   6 * Copyright (c) 2001 Ralf Baechle
   7 * Copyright (c) 2002 Thiemo Seufer
   8 */
   9#include <linux/tty.h>
  10#include <linux/major.h>
  11#include <linux/init.h>
  12#include <linux/console.h>
  13#include <linux/fs.h>
  14#include <asm/sgialib.h>
  15
  16static void prom_console_write(struct console *co, const char *s,
  17                               unsigned count)
  18{
  19        /* Do each character */
  20        while (count--) {
  21                if (*s == '\n')
  22                        prom_putchar('\r');
  23                prom_putchar(*s++);
  24        }
  25}
  26
  27static int prom_console_setup(struct console *co, char *options)
  28{
  29        return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
  30}
  31
  32static struct console arc_cons = {
  33        .name           = "arc",
  34        .write          = prom_console_write,
  35        .setup          = prom_console_setup,
  36        .flags          = CON_PRINTBUFFER,
  37        .index          = -1,
  38};
  39
  40/*
  41 *    Register console.
  42 */
  43
  44static int __init arc_console_init(void)
  45{
  46        register_console(&arc_cons);
  47
  48        return 0;
  49}
  50console_initcall(arc_console_init);
  51