1/* Unit-specific leds 2 * 3 * Copyright (C) 2005 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 License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, 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 MN10300_USE_7SEGLEDS 0 20 21#define ASB2364_7SEGLEDS __SYSREG(0xA9001630, u32) 22 23/* 24 * use the 7-segment LEDs to indicate states 25 */ 26 27#if MN10300_USE_7SEGLEDS 28/* flip the 7-segment LEDs between "Gdb-" and "----" */ 29#define mn10300_set_gdbleds(ONOFF) \ 30 do { \ 31 ASB2364_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \ 32 } while (0) 33#else 34#define mn10300_set_gdbleds(ONOFF) do {} while (0) 35#endif 36 37#if MN10300_USE_7SEGLEDS 38/* indicate double-fault by displaying "db-f" on the LEDs */ 39#define mn10300_set_dbfleds \ 40 mov 0x43077f1d,d0 ; \ 41 mov d0,(ASB2364_7SEGLEDS) 42#else 43#define mn10300_set_dbfleds 44#endif 45 46#ifndef __ASSEMBLY__ 47extern void peripheral_leds_display_exception(enum exception_code); 48extern void peripheral_leds_led_chase(void); 49extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); 50extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); 51extern void debug_to_serial(const char *, int); 52#endif /* __ASSEMBLY__ */ 53 54#endif /* _ASM_UNIT_LEDS_H */ 55