diff options
Diffstat (limited to 'common/cmd_eeprom.c')
-rw-r--r-- | common/cmd_eeprom.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c index 32bab1a..3db0bca 100644 --- a/common/cmd_eeprom.c +++ b/common/cmd_eeprom.c @@ -327,6 +327,26 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn return rcode; } +#ifndef CONFIG_SPI +int +eeprom_probe (unsigned dev_addr, unsigned offset) +{ + unsigned char chip; + + /* Probe the chip address + */ +#if CFG_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) + chip = offset >> 8; /* block number */ +#else + chip = offset >> 16; /* block number */ +#endif /* CFG_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ + + chip |= dev_addr; /* insert device address */ + + return (i2c_probe (chip)); +} +#endif + /*----------------------------------------------------------------------- * Set default values */ |