46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
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* Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
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*
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* This file is part of barebox.
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* See file CREDITS for list of people who contributed to this project.
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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
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/**
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* @file
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* @brief Clocksource based on MIPS CP0 timer
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*/
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#include <init.h>
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#include <clock.h>
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#include <io.h>
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#include <asm/mipsregs.h>
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static uint64_t c0_hpt_read(void)
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{
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return read_c0_count();
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}
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static struct clocksource cs = {
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.read = c0_hpt_read,
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.mask = CLOCKSOURCE_MASK(32),
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};
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static int clocksource_init(void)
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{
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cs.mult = clocksource_hz2mult(100000000, cs.shift);
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init_clock(&cs);
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return 0;
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}
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core_initcall(clocksource_init);
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