| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| #include <cpu/x86/msr.h> | |
| #include <smbios.h> | |
| /* This is not an architectural MSR. */ | |
| #define MSR_PERF_STATUS 0x198 | |
| unsigned int smbios_cpu_get_voltage(void) | |
| { | |
| return (rdmsr(MSR_PERF_STATUS).hi & 0xffff) * 10 / 8192; | |
| } |