arch/mips/gt64120/ev64120/promcon.c

   1 /*
   2  * Wrap-around code for a console using the
   3  * SGI PROM io-routines.
   4  *
   5  * Copyright (c) 1999 Ulf Carlsson
   6  *
   7  * Derived from DECstation promcon.c
   8  * Copyright (c) 1998 Harald Koerfgen
   9  */
  10 #include <linux/tty.h>
  11 #include <linux/init.h>
  12 #include <linux/console.h>
  13
  14 static void prom_console_write(struct console *co, const char *s,
  15                                unsigned count)
  16 {
  17         extern int CONSOLE_CHANNEL;     // The default serial port
  18         unsigned i;
  19
  20         for (i = 0; i < count; i++) {
  21                 if (*s == 10)
  22                         serial_putc(CONSOLE_CHANNEL, 13);
  23                 serial_putc(CONSOLE_CHANNEL, *s++);
  24         }
  25 }
  26
  27 static struct console sercons = {
  28     .name       = "ttyS",
  29     .write      = prom_console_write,
  30     .flags      = CON_PRINTBUFFER,
  31     .index      = -1,
  32 };
  33
  34 /*
  35  *    Register console.
  36  */
  37
  38 static int gal_serial_console_init(void)
  39 {
  40         //  serial_init();
  41         //serial_set(115200);
  42
  43         register_console(&sercons);
  44
  45         return 0;
  46 }
  47
  48 console_initcall(gal_serial_console_init);