On Sat, 2014-06-14 at 08:59 +0200, Hans de Goede wrote: > From: Jonathan Liu <[email protected]> > > Similar to the USB NIC found on OMAP5uEVM, PandaBoard and BeagleBoard-XM > boards, the sunxi SoCs have a NIC onboard without an embedded MAC address. > > Just like the omap used on these boards, the sunxi SoCs do have a unique chip > id, in the form of the 128 bit SID register: > http://linux-sunxi.org/SID_Register_Guide > > So mimick the BeagleBoard-XM board code (commit 548a64d8) and use the chip id > to generate a unique fixed MAC address. > > We check for the SID not being all 0, since some early A20 batches > shipped without having there SID programmed. > > Note we use specific parts of the 128 bits, since some parts indicate the > SoC family / revision, and thus are fixed. The algorithm for this was taken > from the linux-sunxi.org kernels. > > Signed-off-by: Jonathan Liu <[email protected]> > [[email protected]: Expanded the commit message with some more info] > Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Ian Campbell <[email protected]> _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
