linux/include/asm-powerpc/udbg.h
Benjamin Herrenschmidt 9dae8afdf2 [POWERPC] 4xx: Add early udbg support for 40x processors
This adds some basic real mode based early udbg support for 40x
in order to debug things more easily

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-23 13:13:03 -06:00

55 lines
1.8 KiB
C

/*
* (c) 2001, 2006 IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_POWERPC_UDBG_H
#define _ASM_POWERPC_UDBG_H
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <linux/init.h>
extern void (*udbg_putc)(char c);
extern int (*udbg_getc)(void);
extern int (*udbg_getc_poll)(void);
extern void udbg_puts(const char *s);
extern int udbg_write(const char *s, int n);
extern int udbg_read(char *buf, int buflen);
extern void register_early_udbg_console(void);
extern void udbg_printf(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
extern void udbg_progress(char *s, unsigned short hex);
extern void udbg_init_uart(void __iomem *comport, unsigned int speed,
unsigned int clock);
extern unsigned int udbg_probe_uart_speed(void __iomem *comport,
unsigned int clock);
struct device_node;
extern void udbg_scc_init(int force_scc);
extern int udbg_adb_init(int force_btext);
extern void udbg_adb_init_early(void);
extern void __init udbg_early_init(void);
extern void __init udbg_init_debug_lpar(void);
extern void __init udbg_init_pmac_realmode(void);
extern void __init udbg_init_maple_realmode(void);
extern void __init udbg_init_pas_realmode(void);
extern void __init udbg_init_iseries(void);
extern void __init udbg_init_rtas_panel(void);
extern void __init udbg_init_rtas_console(void);
extern void __init udbg_init_debug_beat(void);
extern void __init udbg_init_btext(void);
extern void __init udbg_init_44x_as1(void);
extern void __init udbg_init_40x_realmode(void);
extern void __init udbg_init_cpm(void);
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_UDBG_H */