LXR linux/arch/mips/dec/promcon.c

   1/*
   2 * Wrap-around code for a console using the
   3 * DECstation PROM io-routines.
   4 *
   5 * Copyright (c) 1998 Harald Koerfgen
   6 */
   7
   8#include <linux/tty.h>
   9#include <linux/ptrace.h>
  10#include <linux/init.h>
  11#include <linux/console.h>
  12#include <linux/fs.h>
  13
  14#include <asm/dec/prom.h>
  15
  16static void prom_console_write(struct console *co, const char *s,
  17                               unsigned count)
  18{
  19        unsigned i;
  20
  21        /*
  22         *    Now, do each character
  23         */
  24        for (i = 0; i < count; i++) {
  25                if (*s == 10)
  26                        prom_printf("%c", 13);
  27                prom_printf("%c", *s++);
  28        }
  29}
  30
  31static int __init prom_console_setup(struct console *co, char *options)
  32{
  33        return 0;
  34}
  35
  36static struct console sercons = {
  37        .name   = "ttyS",
  38        .write  = prom_console_write,
  39        .setup  = prom_console_setup,
  40        .flags  = CON_PRINTBUFFER,
  41        .index  = -1,
  42};
  43
  44/*
  45 *    Register console.
  46 */
  47
  48static int __init prom_console_init(void)
  49{
  50        register_console(&sercons);
  51
  52        return 0;
  53}
  54console_initcall(prom_console_init);
  55