u-boot/board/corscience/tricorder/tricorder-eeprom.h
Andreas Bießmann 459f1da88b tricorder: add tricordereeprom command
The new tricordereeprom command can read and write the eeprom for hardware
detection on tricorder devices.

Signed-off-by: Andreas Bießmann <andreas.biessmann@corscience.de>
2013-11-01 15:55:58 -04:00

42 lines
1.1 KiB
C

/*
* (C) Copyright 2013
* Corscience GmbH & Co. KG, <www.corscience.de>
* Andreas Bießmann <andreas.biessmann@corscience.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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_ */