leds.h
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/* ASB2305-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 ASB2305_7SEGLEDS __SYSREG(0xA6F90000, u32)
/* perform a hard reset by driving PIO06 low */
#define mn10300_unit_hard_reset() \
do { \
P0OUT &= 0xbf; \
P0MD = (P0MD & P0MD_6) | P0MD_6_OUT; \
} while (0)
/*
* use the 7-segment LEDs to indicate states
*/
/* indicate double-fault by displaying "db-f" on the LEDs */
#define mn10300_set_dbfleds \
mov 0x43077f1d,d0 ; \
mov d0,(ASB2305_7SEGLEDS)
/* flip the 7-segment LEDs between "Gdb-" and "----" */
#define mn10300_set_gdbleds(ONOFF) \
do { \
ASB2305_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \
} while (0)
#ifndef __ASSEMBLY__
extern void peripheral_leds_display_exception(enum exception_code);
extern void peripheral_leds_led_chase(void);
extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int);
extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int);
extern void peripheral_leds7x4_display_minssecs(unsigned int, unsigned int);
extern void peripheral_leds7x4_display_rtc(void);
#endif /* __ASSEMBLY__ */
#endif /* _ASM_UNIT_LEDS_H */