blob: ead10ee12bcdb22f0d9354a354b9917a6dd9ffd5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <cpu/x86/msr.h>
#include <cpu/x86/tsc.h>
#include <soc/cpu.h>
#include <soc/msr.h>
unsigned long tsc_freq_mhz(void)
{
msr_t platform_info;
platform_info = rdmsr(MSR_PLATFORM_INFO);
return CPU_BCLK * ((platform_info.lo >> 8) & 0xff);
}
|
