topic Re: LS1046ARDB KIT EEPROM READ AND WRITE in Layerscape

LS1046ARDB KIT EEPROM READ AND WRITE

IB2020 — Mon, 08 Feb 2021 05:08:57 GMT

i was trying to read and write data bytes to EEPROM CAT24C05. It is not working.I could open the i2c interface with slave address 52 .After that writing address byte is not happening.

Re: LS1046ARDB KIT EEPROM READ AND WRITE

ufedor — Mon, 08 Feb 2021 06:22:47 GMT

Please provide log of the performed operations.

Please consider that the SEEPROM contains important system information (like MAC addresses), so it has to be handled accurately.

Re: LS1046ARDB KIT EEPROM READ AND WRITE

IB2020 — Tue, 16 Feb 2021 03:43:13 GMT

The source code is attached .I could open the eeprom i2c interface.But after that fail to write i2c address errror is coming. Kindly help. Also i would like to know which address locations MAC address and other important data is stored.

Re: LS1046ARDB KIT EEPROM READ AND WRITE

ufedor — Tue, 16 Feb 2021 08:59:05 GMT

For the I2C source code refer to the U-Boot driver:

drivers/i2c/mxc_i2c.c