1 /* ASB2305-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 ASB2305_7SEGLEDS __SYSREG(0xA6F90000, u32) 20 21 /* perform a hard reset by driving PIO06 low */ 22 #define mn10300_unit_hard_reset() \ 23 do { \ 24 P0OUT &= 0xbf; \ 25 P0MD = (P0MD & P0MD_6) | P0MD_6_OUT; \ 26 } while (0) 27 28 /* 29 * use the 7-segment LEDs to indicate states 30 */ 31 /* indicate double-fault by displaying "db-f" on the LEDs */ 32 #define mn10300_set_dbfleds \ 33 mov 0x43077f1d,d0 ; \ 34 mov d0,(ASB2305_7SEGLEDS) 35 36 /* flip the 7-segment LEDs between "Gdb-" and "----" */ 37 #define mn10300_set_gdbleds(ONOFF) \ 38 do { \ 39 ASB2305_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \ 40 } while (0) 41 42 #ifndef __ASSEMBLY__ 43 extern void peripheral_leds_display_exception(enum exception_code); 44 extern void peripheral_leds_led_chase(void); 45 extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); 46 extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); 47 extern void peripheral_leds7x4_display_minssecs(unsigned int, unsigned int); 48 extern void peripheral_leds7x4_display_rtc(void); 49 #endif /* __ASSEMBLY__ */ 50 51 #endif /* _ASM_UNIT_LEDS_H */ 52