29 lines
897 B
C
29 lines
897 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2000-2009
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef __EEPROM_LEGACY_H
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#define __EEPROM_LEGACY_H
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#if defined(CONFIG_CMD_EEPROM) || defined(CONFIG_ENV_IS_IN_EEPROM)
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void eeprom_init(int bus);
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int eeprom_read(uint dev_addr, uint offset, uchar *buffer, uint cnt);
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int eeprom_write(uint dev_addr, uint offset, uchar *buffer, uint cnt);
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#else
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/*
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* Some EEPROM code is depecated because it used the legacy I2C interface. Add
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* some macros here so we don't have to touch every one of those uses
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*/
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#define eeprom_init(bus)
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#define eeprom_read(dev_addr, offset, buffer, cnt) (-ENOSYS)
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#define eeprom_write(dev_addr, offset, buffer, cnt) (-ENOSYS)
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#endif
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#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
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# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
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#endif
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#endif
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