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/* SPDX-License-Identifier: GPL-2.0-only */
#include <cpu/intel/model_206ax/model_206ax.h>
#include <cpu/x86/msr.h>
#include <device/device.h>
#include <static_devices.h>
#include <superio/ite/it8772f/chip.h>
static u8 cpu_get_temp_offset(void)
{
msr_t msr = rdmsr(MSR_TEMPERATURE_TARGET);
u8 tj_max = (msr.lo >> 16) & 0xFF;
u8 tcc_offset = (msr.lo >> 24) & 0xf;
msr = rdmsr(MSR_PLATFORM_INFO);
if (msr.lo & (1 << 30)) {
return tj_max - tcc_offset;
} else {
return tj_max;
}
}
static void mainboard_enable(struct device *dev)
{
/* Set PECI TMPIN 3 offset to TJ_MAX temperature */
struct superio_ite_it8772f_config *const config = __pnp_002e_04->chip_info;
if (config)
config->ec.tmpin[2].offset = cpu_get_temp_offset();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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