1/* ASB2303-specific LEDs 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 12#ifndef _ASM_UNIT_LEDS_H 13#define _ASM_UNIT_LEDS_H 14 15#include <asm/pio-regs.h> 16#include <asm/cpu-regs.h> 17#include <asm/exceptions.h> 18 19#define ASB2303_GPIO0DEF __SYSREG(0xDB000000, u32) 20#define ASB2303_7SEGLEDS __SYSREG(0xDB000008, u32) 21 22/* 23 * use the 7-segment LEDs to indicate states 24 */ 25 26/* flip the 7-segment LEDs between "G" and "-" */ 27#define mn10300_set_gdbleds(ONOFF) \ 28do { \ 29 ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f; \ 30} while (0) 31 32/* indicate double-fault by displaying "d" on the LEDs */ 33#define mn10300_set_dbfleds \ 34 mov 0x43,d0 ; \ 35 movbu d0,(ASB2303_7SEGLEDS) 36 37#ifndef __ASSEMBLY__ 38extern void peripheral_leds_display_exception(enum exception_code code); 39extern void peripheral_leds_led_chase(void); 40extern void debug_to_serial(const char *p, int n); 41#endif /* __ASSEMBLY__ */ 42 43#endif /* _ASM_UNIT_LEDS_H */ 44