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__ 47 extern void peripheral_leds_display_exception(enum exception_code); 48 extern void peripheral_leds_led_chase(void); 49 extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); 50 extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); 51 extern void debug_to_serial(const char *, int); 52 #endif /* __ASSEMBLY__ */ 53 54 #endif /* _ASM_UNIT_LEDS_H */ 55