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https://github.com/memtest86plus/memtest86plus.git
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Sam Demeulemeester
ced9529bea
* Initial commit for DDR5 Temperature report * Change smbus.h to i2c_x86.h * Change I2C includes defines name to avoid conflict * Add dummy get_ram_temp() function on LA64 * Add menu option for RAM/DDR5 Temperature polling
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef TEMPERATURE_H
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#define TEMPERATURE_H
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/**
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* \file
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*
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* Provides a function to read the CPU core temperature.
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*
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*//*
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* Copyright (C) 2020-2022 Martin Whitaker.
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* Copyright (C) 2003-2025 Sam Demeulemeester.
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*/
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#define AMD_TEMP_REG_K8 0xE4
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#define AMD_TEMP_REG_K10 0xA4
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#define AMD_SMU_INDEX_ADDR_REG 0xB8
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#define AMD_SMU_INDEX_DATA_REG 0xBC
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#define AMD_F15_M60H_TEMP_CTRL_OFFSET 0xD8200CA4
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// Temp Registers on AMD ZEN System Management Network
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#define SMN_SMUIO_THM 0x00059800
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#define SMN_THM_TCON_CUR_TMP (SMN_SMUIO_THM + 0x00)
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/**
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* Global CPU Temperature offset
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*/
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extern float cpu_temp_offset;
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/**
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* Init temperature sensor and compute offsets if needed
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*/
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void cpu_temp_init(void);
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/**
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* Returns the current temperature of the CPU. Returns 0 if
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* the temperature cannot be read.
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*/
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int get_cpu_temp(void);
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/**
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* Returns the current temperature of the RAM. Returns 0 if
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* the temperature cannot be read. Only for DDR5
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*/
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int get_ram_temp(uint8_t slot);
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#endif // TEMPERATURE_H
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