ebabfadcec
Update all of the license headers to make sure they are compliant with coreboot's license header policy. Change-Id: I151d058615290e528d9d1738c17804f6b9cc8dce Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/14321 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
25 lines
800 B
C
25 lines
800 B
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2015 Intel Corp.
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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#include <cpu/x86/msr.h>
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#include <cpu/x86/tsc.h>
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#include <soc/cpu.h>
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unsigned long tsc_freq_mhz(void)
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{
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msr_t msr = rdmsr(MSR_PLATFORM_INFO);
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return (BASE_CLOCK_MHZ * ((msr.lo >> 8) & 0xff));
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}
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