mirror of https://gitee.com/openkylin/linux.git
34 lines
819 B
C
34 lines
819 B
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_LEDS_H
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#define _ASM_IA64_SN_LEDS_H
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#include <asm/sn/addrs.h>
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#include <asm/sn/pda.h>
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#include <asm/sn/shub_mmr.h>
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#define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
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#define LED_CPU_SHIFT 16
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#define LED_CPU_HEARTBEAT 0x01
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#define LED_CPU_ACTIVITY 0x02
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#define LED_ALWAYS_SET 0x00
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/*
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* Basic macros for flashing the LEDS on an SGI SN.
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*/
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static __inline__ void
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set_led_bits(u8 value, u8 mask)
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{
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pda->led_state = (pda->led_state & ~mask) | (value & mask);
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*pda->led_address = (short) pda->led_state;
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}
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#endif /* _ASM_IA64_SN_LEDS_H */
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