Some devices (e.g. the RK3368) have only limited SRAM, but provide support for loading the next boot stage after our SPL performs basic setup (e.g. DRAM).
For target systems like these, we add a boot device BOOTROM that will invoke a board-specific hook to return to the bootrom (if supported).
Signed-off-by: Philipp Tomsich philipp.tomsich@theobroma-systems.com
Reviewed-by: Tom Rini trini@konsulko.com Reviewed-by: Simon Glass sjg@chromium.org
Changes in v4: None Changes in v3: None Changes in v2: None
arch/arm/include/asm/spl.h | 1 + common/spl/Kconfig | 11 +++++++++++ common/spl/Makefile | 1 + common/spl/spl_bootrom.c | 27 +++++++++++++++++++++++++++ include/spl.h | 10 ++++++++++ 5 files changed, 50 insertions(+) create mode 100644 common/spl/spl_bootrom.c
Applied to u-boot-rockchip, thanks!