tree eb63a1a6ca458b7f4787767c0f73bcf9445456c5
parent 6942f0579d1ccc0016b89f9241fe4b7c4c1c3986
author Antonio Nino Diaz <antonio.ninodiaz@arm.com> 1531399133 +0100
committer Antonio Nino Diaz <antonio.ninodiaz@arm.com> 1531530955 +0100

rpi3: Detect board revision

Implement VideoCore mailbox interface driver and use it to get the board
revision identifier.

For now it is only used to print the model for debug purposes.

This wiki contains the documentation of the mailbox interface:

https://github.com/raspberrypi/firmware/wiki

Change-Id: I11943b99b52cc1409f4a195ebe58eb44ae5b1d6c
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>