satip-axe/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h
2015-03-26 17:24:57 +01:00

44 lines
1.2 KiB
C

/* ASB2303-specific LEDs
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_UNIT_LEDS_H
#define _ASM_UNIT_LEDS_H
#include <asm/pio-regs.h>
#include <asm/cpu-regs.h>
#include <asm/exceptions.h>
#define ASB2303_GPIO0DEF __SYSREG(0xDB000000, u32)
#define ASB2303_7SEGLEDS __SYSREG(0xDB000008, u32)
/*
* use the 7-segment LEDs to indicate states
*/
/* flip the 7-segment LEDs between "G" and "-" */
#define mn10300_set_gdbleds(ONOFF) \
do { \
ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f; \
} while (0)
/* indicate double-fault by displaying "d" on the LEDs */
#define mn10300_set_dbfleds \
mov 0x43,d0 ; \
movbu d0,(ASB2303_7SEGLEDS)
#ifndef __ASSEMBLY__
extern void peripheral_leds_display_exception(enum exception_code code);
extern void peripheral_leds_led_chase(void);
extern void debug_to_serial(const char *p, int n);
#endif /* __ASSEMBLY__ */
#endif /* _ASM_UNIT_LEDS_H */