diff options
Diffstat (limited to 'roms/u-boot/include/eeprom.h')
| -rw-r--r-- | roms/u-boot/include/eeprom.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/roms/u-boot/include/eeprom.h b/roms/u-boot/include/eeprom.h new file mode 100644 index 000000000..6820844ce --- /dev/null +++ b/roms/u-boot/include/eeprom.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + */ + +#ifndef __EEPROM_LEGACY_H +#define __EEPROM_LEGACY_H + +#if defined(CONFIG_CMD_EEPROM) || defined(CONFIG_ENV_IS_IN_EEPROM) +void eeprom_init(int bus); +int eeprom_read(uint dev_addr, uint offset, uchar *buffer, uint cnt); +int eeprom_write(uint dev_addr, uint offset, uchar *buffer, uint cnt); +#else +/* + * Some EEPROM code is depecated because it used the legacy I2C interface. Add + * some macros here so we don't have to touch every one of those uses + */ +#define eeprom_init(bus) +#define eeprom_read(dev_addr, offset, buffer, cnt) (-ENOSYS) +#define eeprom_write(dev_addr, offset, buffer, cnt) (-ENOSYS) +#endif + +#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) +# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR +#endif + +#endif |