1 /* 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 #if defined(CONFIG_CMD_EEPROM) || defined(CONFIG_ENV_IS_IN_EEPROM) 11 void eeprom_init(int bus); 12 int eeprom_read(uint dev_addr, uint offset, uchar *buffer, uint cnt); 13 int 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) (-ENOSYS) 21 #define eeprom_write(dev_addr, offset, buffer, cnt) (-ENOSYS) 22 #endif 23 24 #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 28 #endif 29