blob: 79118eb83ded490d6779cff6062347fa6f446268 [file] [log] [blame]
Simon Glasseba6b8d2019-11-14 12:57:50 -07001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7#ifndef __EEPROM_LEGACY_H
8#define __EEPROM_LEGACY_H
9
10#ifdef CONFIG_CMD_EEPROM
11void eeprom_init(int bus);
12int eeprom_read(uint dev_addr, uint offset, uchar *buffer, uint cnt);
13int eeprom_write(uint dev_addr, uint offset, uchar *buffer, uint cnt);
14#else
15/*
16 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
17 * some macros here so we don't have to touch every one of those uses
18 */
19#define eeprom_init(bus)
20#define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
21#define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
22#endif
23
Simon Glassb8b1df32019-12-28 10:44:49 -070024#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
25# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
26#endif
27
Simon Glasseba6b8d2019-11-14 12:57:50 -070028#endif