tree 4fd3fdd0b8db3e480dee2eeabaa76d39414eca72
parent 95de4bcb9302fd2ec6d09e1684ac5e778659225d
author Andre Przywara <andre.przywara@arm.com> 1578620851 +0000
committer Jagan Teki <jagan@amarulasolutions.com> 1580045974 +0530

sunxi: SPL: Factor out sunxi_get_boot_source()

The Boot ROM write some boot source ID (SD card, eMMC, SPI, ...) into
a certain location in SRAM, so the SPL can easily determine where to
load U-Boot proper from.
Factor out reading this value, as it will come in handy again shortly.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>