tree b9b6e93ebe0d54334e3bf96b70e6a556a01a0f7c
parent 6521e5d3799d13f33eb50ccaebd595fb89abdbef
author Nandor Han <nandor.han@vaisala.com> 1623333405 +0300
committer Tom Rini <trini@konsulko.com> 1627049799 -0400

reboot-mode: read the boot mode from RTC memory

RTC devices could provide battery-backed memory that can be used for
storing the reboot mode magic value.

Add a new reboot-mode back-end that uses RTC to store the reboot-mode
magic value. The driver also supports both endianness modes.

Signed-off-by: Nandor Han <nandor.han@vaisala.com>
Reviewed-by: Simon Glass <sjg@chromium.org>