forked from Minki/linux
bb6b9b28d6
The udbg low level io layer has an issue with udbg_getc() returning a char (unsigned on ppc) instead of an int, thus the -1 if you had no available input device could end up turned into 0xff, filling your display with bogus characters. This fixes it, along with adding a little blob to xmon to do a delay before exiting when getting an EOF and fixing the detection of ADB keyboards in udbg_adb.c Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
|
|
* c 2001 PPC 64 Team, IBM Corp
|
|
*
|
|
* 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
|
|
|
|
#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, ...);
|
|
|
|
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);
|
|
|
|
#endif /* _ASM_POWERPC_UDBG_H */
|