mirror of https://gitee.com/openkylin/linux.git
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* ASB2305-specific LEDs
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_UNIT_LEDS_H
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#define _ASM_UNIT_LEDS_H
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#include <asm/pio-regs.h>
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#include <asm/cpu-regs.h>
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#include <asm/exceptions.h>
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#define ASB2305_7SEGLEDS __SYSREG(0xA6F90000, u32)
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/* perform a hard reset by driving PIO06 low */
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#define mn10300_unit_hard_reset() \
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do { \
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P0OUT &= 0xbf; \
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P0MD = (P0MD & P0MD_6) | P0MD_6_OUT; \
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} while (0)
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/*
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* use the 7-segment LEDs to indicate states
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*/
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/* indicate double-fault by displaying "db-f" on the LEDs */
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#define mn10300_set_dbfleds \
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mov 0x43077f1d,d0 ; \
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mov d0,(ASB2305_7SEGLEDS)
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/* flip the 7-segment LEDs between "Gdb-" and "----" */
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#define mn10300_set_gdbleds(ONOFF) \
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do { \
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ASB2305_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \
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} while (0)
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#ifndef __ASSEMBLY__
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extern void peripheral_leds_display_exception(enum exception_code);
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extern void peripheral_leds_led_chase(void);
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extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int);
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extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int);
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extern void peripheral_leds7x4_display_minssecs(unsigned int, unsigned int);
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extern void peripheral_leds7x4_display_rtc(void);
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_UNIT_LEDS_H */
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