arch/blackfin/include/asm/early_printk.h

   1 /*
   2  * function prototpyes for early printk
   3  *
   4  * Copyright 2007-2009 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef __ASM_EARLY_PRINTK_H__
  10 #define __ASM_EARLY_PRINTK_H__
  11
  12 #ifdef CONFIG_EARLY_PRINTK
  13 /* For those that don't include it already */
  14 #include <linux/console.h>
  15
  16 extern int setup_early_printk(char *);
  17 extern void enable_shadow_console(void);
  18 extern int shadow_console_enabled(void);
  19 extern void mark_shadow_error(void);
  20 extern void early_shadow_reg(unsigned long reg, unsigned int n);
  21 extern void early_shadow_write(struct console *con, const char *s,
  22         unsigned int n) __attribute__((nonnull(2)));
  23 #define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str))
  24 #define early_shadow_stamp() \
  25         do { \
  26                 early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \
  27                 early_shadow_puts(__func__); \
  28                 early_shadow_puts("]\n"); \
  29         } while (0)
  30 #else
  31 #define setup_early_printk(fmt) do { } while (0)
  32 #define enable_shadow_console(fmt)  do { } while (0)
  33 #define early_shadow_stamp() do { } while (0)
  34 #endif /* CONFIG_EARLY_PRINTK */
  35
  36 #endif /* __ASM_EARLY_PRINTK_H__ */