arm: dts: am33xx: introduce 'am33xx-u-boot.dtsi'
authorHannes Schmelzer <hannes.schmelzer@br-automation.com>
Wed, 6 Feb 2019 11:49:50 +0000 (12:49 +0100)
committerTom Rini <trini@konsulko.com>
Wed, 6 Feb 2019 19:07:23 +0000 (14:07 -0500)
commit4dfe43849a4c76ac5fc2486d20e37d459f980a00
tree3da89635c25b18bf16ed24c9e9d556b0396d4f7a
parent413ca7202228b62ea0bb10d7ac460ada617ecfbe
arm: dts: am33xx: introduce 'am33xx-u-boot.dtsi'

commit fdce9d35dc36 ("arm: dts: am33xx: Sync dts with Linux 4.20.0")
did remove the "u-boot,dm-spl" flag from the 'ocp' bus which was
introduced with
commit 19aa4ac09db9 ("dts: am33xx: add u-boot, dm-spl to ocp bus")

Due to this all boards having CONFIG_SPL_OF_CONTROL enabled are broken
because they cannot bind/probe the boot-media interface during SPL
stage.

This commit introduces the 'am33xx-u-boot.dtsi' which is included with
the auto include mechanism. The am33xx-u-boot-dtsi adds the important
"u-boot,dm-pre-reloc" to the 'ocp bus' (the root bus of almost all
peripherals, at least the bootable ones).

The peripherials (mmc, spi, ...) needed during SPL stage need to be
equipped with the 'u-boot,dm-pre-reloc' in their responsible dts file.

Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
arch/arm/dts/am33xx-u-boot.dtsi [new file with mode: 0644]