common/util/hal_eeprom.h

#ifndef HAL_EEPROM_H
#define HAL_EEPROM_H

#include <stdint.h>

#define EEPROM_WRITE_SIZE 0x20

// define offset, size and order for EEPROM write/read
#define FRU_START 0x0000 // start at 0x000
#define FRU_SIZE 0x0400 // size 1KB

#define SEL_START 0x0400
#define SEL_SIZE 0x0400

#define GUID_START 0x0800
#define GUID_SIZE 0x0100

#define BIC_CONFIG_START 0x0900
#define BIC_CONFIG_SIZE 0x0100
// next start should be 0x0A00

typedef struct _EEPROM_CFG_ {
	uint8_t dev_type;
	uint8_t dev_id;
	uint8_t port;
	uint8_t slave_addr;
	uint8_t access;
	uint16_t start_offset;
	uint16_t max_size;
} EEPROM_CFG;

typedef struct _EEPROM_ENTRY_ {
	EEPROM_CFG config;
	uint16_t offset;
	uint16_t data_len;
	uint8_t data[EEPROM_WRITE_SIZE];
} EEPROM_ENTRY;

uint8_t eeprom_write(EEPROM_ENTRY *entry);
uint8_t eeprom_read(EEPROM_ENTRY *entry);

#endif