plat_pmic.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef PLAT_PMIC_H
#define PLAT_PMIC_H
 
#include <stdint.h>
 
#define MONITOR_PMIC_ERROR_STACK_SIZE 4096
#define MONITOR_PMIC_ERROR_TIME_MS (3 * 1000) // 3s
 
#define MAX_COUNT_PMIC_ERROR_OFFSET 7
#define MAX_COUNT_PMIC_ERROR_TYPE 17
#define MAX_COUNT_PMIC_VENDER_ID 1
 
#define CL_CPLD_BMC_CHANNEL_ADDR 0x1E // 8 bits
#define PMIC_FAULT_STATUS_OFFSET 0x0B
#define PMIC_VENDER_ID_OFFSET 0x3C
#define PMIC_CLEAR_STATUS_BITS4_OFFSET 0x14
#define PMIC_VENDOR_MEMORY_REGION_PASSWORD_UPPER_BYTE_OFFSET 0x37
#define PMIC_VENDOR_MEMORY_REGION_PASSWORD_LOWER_BYTE_OFFSET 0x38
#define PMIC_VENDOR_PASSWORD_CONTROL_OFFSET 0x39
 
enum READ_PMIC_ERROR_PATH {
    READ_PMIC_ERROR_VIA_ME,
    READ_PMIC_ERROR_VIA_I3C,
};
 
void start_monitor_pmic_error_thread();
void monitor_pmic_error_via_i3c_handler();
void monitor_pmic_error_via_me_handler();
int get_dimm_info(uint8_t dimm_id, uint8_t *bus, uint8_t *addr);
int compare_pmic_error(uint8_t dimm_id, uint8_t *pmic_err_data, uint8_t pmic_err_data_len,
               uint8_t read_path);
void add_pmic_error_sel(uint8_t dimm_id, uint8_t error_type);
int get_pmic_fault_status();
void read_pmic_error_when_dc_off();
void clear_pmic_error();
int write_read_pmic_via_me(uint8_t dimm_id, uint8_t offset, uint8_t read_len, uint8_t write_len,
               uint8_t *data, int *data_len);
 
#endif