tree 88df49b072d10cb7eb43915e74f34565c7995674
parent 0ed232b15386616d186b67a3689e149581dcf2b7
author Patrick Delaunay <patrick.delaunay@st.com> 1521539693 +0100
committer Tom Rini <trini@konsulko.com> 1523061928 -0400

stm32mp1: get boot mode from BootRom

SPL copy BootRom boot mode information
in TAMP register 21.

This TAMP register information is used
after relocation to set 2 env variables
- boot_device
- boot_instance

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>