mirror of https://gitee.com/openkylin/linux.git
29 lines
585 B
C
29 lines
585 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* linux/arch/arm/plat-versatile/sched-clock.c
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*
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* Copyright (C) 1999 - 2003 ARM Limited
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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*/
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/sched_clock.h>
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#include <plat/sched_clock.h>
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static void __iomem *ctr;
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static u64 notrace versatile_read_sched_clock(void)
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{
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if (ctr)
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return readl(ctr);
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return 0;
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}
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void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate)
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{
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ctr = reg;
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sched_clock_register(versatile_read_sched_clock, 32, rate);
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}
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