44 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			44 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /* ASB2303-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 ASB2303_GPIO0DEF	__SYSREG(0xDB000000, u32)
 | ||
|  | #define ASB2303_7SEGLEDS	__SYSREG(0xDB000008, u32)
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * use the 7-segment LEDs to indicate states | ||
|  |  */ | ||
|  | 
 | ||
|  | /* flip the 7-segment LEDs between "G" and "-" */ | ||
|  | #define mn10300_set_gdbleds(ONOFF)			\
 | ||
|  | do {							\ | ||
|  | 	ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f;	\ | ||
|  | } while (0) | ||
|  | 
 | ||
|  | /* indicate double-fault by displaying "d" on the LEDs */ | ||
|  | #define mn10300_set_dbfleds			\
 | ||
|  | 	mov	0x43,d0			;	\ | ||
|  | 	movbu	d0,(ASB2303_7SEGLEDS) | ||
|  | 
 | ||
|  | #ifndef __ASSEMBLY__
 | ||
|  | extern void peripheral_leds_display_exception(enum exception_code code); | ||
|  | extern void peripheral_leds_led_chase(void); | ||
|  | extern void debug_to_serial(const char *p, int n); | ||
|  | #endif /* __ASSEMBLY__ */
 | ||
|  | 
 | ||
|  | #endif /* _ASM_UNIT_LEDS_H */
 |