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It is often desirable to configure the spl-boot-order (i.e. the order that SPL probes devices to find the FIT image containing a full U-Boot) such that it contains 'the same device the SPL stage was booted from' early on. To support this, we introduce the 'same-as-spl' specifier for the spl-boot-order property. This commit adds: - documentation for the new board_spl_was_booted_from() function that individual SoCs/boards should provide, if they can determine where the SPL was booted from - implements the new board_spl_was_booted_from() stub function - adds support for handling the 'same-as-spl' specifier and calling into the per-SoC/per-board support code. This also updates the documentation for the 'u-boot,spl-boot-order' property. Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Device Tree Bindings Staging Area ================================= This directory contains device tree bindings for U-Boot. These follow along with Linux kernel bindings, with a few additions. By adding the files here, U-Boot patches can clearly show thees additions. This makes it easier for device tree people to review these additions in patches sent to the U-Boot mailing list. The intent IS to commit these files to U-Boot. Hopefully at some point the files will be stored in another repo (shared with Linux) which is brought in as needed. Changes here are intended to mirror changes in the Linux Documentation/devicetree/bindings/ directory. sjg@chromium.org 17-Jan-12