diff options
Diffstat (limited to 'kernel/arch/mn10300/unit-asb2305/include/unit/leds.h')
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2305/include/unit/leds.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/arch/mn10300/unit-asb2305/include/unit/leds.h b/kernel/arch/mn10300/unit-asb2305/include/unit/leds.h new file mode 100644 index 000000000..bc471f617 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2305/include/unit/leds.h @@ -0,0 +1,51 @@ +/* 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 */ |