tree daa71cebae149079356986f87f194c1f91d6047a
parent 29a77d275a1fbee02d96cfdb55d7f82746918d34
author Michal Simek <michal.simek@xilinx.com> 1477388582 +0200
committer Michal Simek <michal.simek@xilinx.com> 1479220085 +0100

ARM64: zynqmp: Fix secondary bootmode enabling

Do not setup use_alt bit which copy alternative boot mode to
boot mode. The reason is that this bit is cleared after POR
but not after any software reset which will cause
that after SW reset bootrom will look for different boot image.

This patch setups alternative boot mode selection (purely SW
handling) and extends code to read this alternative boot mode first and
use it if it is setup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>