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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2013
* Corscience GmbH & Co. KG, <www.corscience.de>
* Andreas Bießmann <andreas.biessmann@corscience.de>
*/
#ifndef TRICORDER_EEPROM_H_
#define TRICORDER_EEPROM_H_
#include <linux/compiler.h>
#define TRICORDER_EEPROM_MAGIC 0xc2a94f52
#define TRICORDER_EEPROM_VERSION 1
#define TRICORDER_BOARD_NAME_LENGTH 12
#define TRICORDER_BOARD_VERSION_LENGTH 4
#define TRICORDER_BOARD_SERIAL_LENGTH 12
#define TRICORDER_INTERFACE_VERSION_LENGTH 4
struct tricorder_eeprom {
uint32_t magic;
uint16_t length;
uint16_t version;
char board_name[TRICORDER_BOARD_NAME_LENGTH];
char board_version[TRICORDER_BOARD_VERSION_LENGTH];
char board_serial[TRICORDER_BOARD_SERIAL_LENGTH];
char interface_version[TRICORDER_INTERFACE_VERSION_LENGTH];
uint32_t crc32;
} __packed;
#define TRICORDER_EEPROM_SIZE sizeof(struct tricorder_eeprom)
#define TRICORDER_EEPROM_CRC_SIZE (TRICORDER_EEPROM_SIZE - \
sizeof(uint32_t))
/**
* @brief read eeprom information from a specific eeprom address
*/
int tricorder_get_eeprom(int addr, struct tricorder_eeprom *eeprom);
#endif /* TRICORDER_EEPROM_H_ */
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