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//
// Copyright 2017 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef EEPROM_H
#define EEPROM_H
#include <arpa/inet.h>
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
#define ETH_ALEN 6
/* TODO: Come up with a smarter way to do this when we start using this on
* another device */
#define NVMEM_PATH_SLOT_A "/sys/bus/nvmem/devices/9-00500/nvmem"
#define NVMEM_PATH_SLOT_B "/sys/bus/nvmem/devices/10-00500/nvmem"
#define NVMEM_PATH_MB "/sys/bus/nvmem/devices/2-00500/nvmem"
struct usrp_sulfur_eeprom {
u32 magic;
u32 version;
u32 mcu_flags[4];
u16 pid;
u16 rev;
u8 serial[8];
u8 eth_addr0[ETH_ALEN];
u16 dt_compat;
u8 eth_addr1[ETH_ALEN];
u16 mcu_compat;
u8 eth_addr2[ETH_ALEN];
u8 __pad_2[2];
u32 crc;
} __attribute__((packed));
struct db_rev {
u8 rev;
u8 dt_compat;
} __attribute__((packed));
struct usrp_sulfur_db_eeprom {
u32 magic;
u32 version;
u16 pid;
union rev {
u16 v1_rev;
struct db_rev v2_rev;
} rev;
char serial[8];
u32 crc;
} __attribute__((packed));
/* Motherboard EEPROM stuff */
struct usrp_sulfur_eeprom *usrp_sulfur_eeprom_new(const u32 *mcu_flags,
const u16 pid,
const u16 rev,
const char *serial,
const char *eth_addr0,
const char *eth_addr1,
const char *eth_addr2,
const u16 dt_compat,
const u16 mcu_compat);
void usrp_sulfur_eeprom_to_i2c(struct usrp_sulfur_eeprom *ep, const char *path);
void usrp_sulfur_eeprom_to_file(struct usrp_sulfur_eeprom *ep,
const char *path);
void usrp_sulfur_eeprom_recrc(struct usrp_sulfur_eeprom *ep);
struct usrp_sulfur_eeprom *usrp_sulfur_eeprom_from_file(const char *path);
void usrp_sulfur_eeprom_print(const struct usrp_sulfur_eeprom *ep);
/* Daughterboard EEPROM stuff */
struct usrp_sulfur_db_eeprom *usrp_sulfur_db_eeprom_new(const u16 pid,
const u16 rev,
const char *serial,
const u16 dt_compat);
void usrp_sulfur_db_eeprom_to_file(struct usrp_sulfur_db_eeprom *ep,
const char *path);
struct usrp_sulfur_db_eeprom *usrp_sulfur_db_eeprom_from_file(const char *path);
void usrp_sulfur_db_eeprom_print(const struct usrp_sulfur_db_eeprom *ep);
#endif /* EEPROM_H */
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