diff options
Diffstat (limited to 'arch/blackfin/include/asm/early_printk.h')
| -rw-r--r-- | arch/blackfin/include/asm/early_printk.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/early_printk.h b/arch/blackfin/include/asm/early_printk.h new file mode 100644 index 00000000..68a910db --- /dev/null +++ b/arch/blackfin/include/asm/early_printk.h @@ -0,0 +1,36 @@ +/* + * function prototpyes for early printk + * + * Copyright 2007-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __ASM_EARLY_PRINTK_H__ +#define __ASM_EARLY_PRINTK_H__ + +#ifdef CONFIG_EARLY_PRINTK +/* For those that don't include it already */ +#include <linux/console.h> + +extern int setup_early_printk(char *); +extern void enable_shadow_console(void); +extern int shadow_console_enabled(void); +extern void mark_shadow_error(void); +extern void early_shadow_reg(unsigned long reg, unsigned int n); +extern void early_shadow_write(struct console *con, const char *s, + unsigned int n) __attribute__((nonnull(2))); +#define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str)) +#define early_shadow_stamp() \ + do { \ + early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \ + early_shadow_puts(__func__); \ + early_shadow_puts("]\n"); \ + } while (0) +#else +#define setup_early_printk(fmt) do { } while (0) +#define enable_shadow_console(fmt) do { } while (0) +#define early_shadow_stamp() do { } while (0) +#endif /* CONFIG_EARLY_PRINTK */ + +#endif /* __ASM_EARLY_PRINTK_H__ */ |