| /* 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_ */ |
