[U-Boot] [PATCH v2 1/5] net: Add ability to set MAC address via EEPROM to Kconfig

[Joe Hershberger]

On Mon, Dec 14, 2015 at 6:41 AM, Olliver Schinagl
<o.schinagl at ultimaker.com> wrote:
> This patch allows Kconfig to enable and set parameters to make it
> possible to read the MAC address from an EEPROM. This patch only sets up
> some environment variables, it is up to the specific boards to actually
> use these defines.
>
> Besides the various tuneables as to how to access the eeprom (bus,
> address, addressing mode/length, 2 configurable that are EEPROM generic
> (e.g. SPI or some other form of access) which are:
>
> NET_ETHADDR_EEPROM_OFFSET, indicating where in the EEPROM the start of
> the MAC address is. The default is 8 allowing for 8 bytes before the MAC
> for other purposes (header MAGIC for example).
>
> NET_ETHADDR_EEPROM_CRC8, indicating the MAC is appended with a CRC8-CCIT
> checksum that should be verified.
>
> Currently only I2C eeproms have been tested and thus only those options
> are available, but shouldn't be a limit. NET_ETHADDR_EEPROM_SPI can be
> just as created.
>
> Signed-off-by: Olliver Schinagl <o.schinagl at ultimaker.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>