recovery/serial.c

   1 /*
   2  * Copyright (C) 2010 Samsung Electronics
   3  * Sanghee Kim <sh0130.kim@samsung.com>
   4  */
   5
   6 #include <common.h>
   7 #include <serial.h>
   8
   9 static struct serial_device *serial_current = NULL;
  10
  11 struct serial_device *__default_serial_console(void)
  12 {
  13         return &s5pc1xx_serial2_device;
  14 }
  15
  16 struct serial_device *default_serial_console(void)
  17         __attribute__((weak, alias("__default_serial_console")));
  18
  19 void serial_putc(const char c)
  20 {
  21         if (!serial_current) {
  22                 struct serial_device *dev = default_serial_console();
  23
  24                 dev->putc(c);
  25                 return;
  26         }
  27
  28         serial_current->putc(c);
  29 }
  30
  31 void serial_puts(const char *s)
  32 {
  33         if (!serial_current) {
  34                 struct serial_device *dev = default_serial_console();
  35
  36                 dev->puts(s);
  37                 return;
  38         }
  39
  40         serial_current->puts(s);
  41 }
  42
  43 int serial_init(void)
  44 {
  45         if (!serial_current) {
  46                 struct serial_device *dev = default_serial_console();
  47
  48                 return dev->init();
  49         }
  50
  51         return serial_current->init();
  52 }