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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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/*
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* Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __SOC_ARC_TIMERS_H
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#define __SOC_ARC_TIMERS_H
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#include <soc/arc/aux.h>
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/* Timer related Aux registers */
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#define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
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#define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
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#define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
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#define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
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#define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
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#define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
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/* CTRL reg bits */
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#define TIMER_CTRL_IE (1 << 0) /* Interrupt when Count reaches limit */
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#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
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#define ARC_TIMERN_MAX 0xFFFFFFFF
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#define ARC_REG_TIMERS_BCR 0x75
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struct bcr_timer {
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#ifdef CONFIG_CPU_BIG_ENDIAN
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unsigned int pad2:15, rtsc:1, pad1:5, rtc:1, t1:1, t0:1, ver:8;
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#else
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unsigned int ver:8, t0:1, t1:1, rtc:1, pad1:5, rtsc:1, pad2:15;
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#endif
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};
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#endif
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