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u-boot: always set fdt_addr with firmware-provided FDT address

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The Raspberry firmware prepares the FDT blob in memory at an address that
depends on both the memory size and the blob size.
For details see description in the patch itself.

The patch is not yet upstream, but has already been submitted by the original
author: https://lore.kernel.org/all/20210512123945.25649-1-m.salvini@koansoftware.com/

For me, the described problem occurs in conjunction with RAUC, which uses the
following U-Boot script: https://github.com/rauc/meta-rauc-community/blob/master/meta-rauc-raspberrypi/recipes-bsp/rpi-u-boot-scr/files/boot.cmd.in

As soon as I add an overlay the fdt_addr changes and the system does not boot
anymore.

Signed-off-by: Matthias Klein <matthias@extraklein.de>
This commit is contained in:
Matthias Klein
2022-03-27 10:01:35 +02:00
committed by Andrei Gherzan
parent bc10842957
commit c06ae5eacf
2 changed files with 52 additions and 0 deletions
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recipes-bsp/u-boot/u-boot_%.bbappend
+2
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@@ -4,6 +4,8 @@ SRC_URI:append:rpi = " \
file://fw_env.config \
"
SRC_URI:append:rpi = " file://0001-rpi-always-set-fdt_addr-with-firmware-provided-FDT-address.patch"
# special fix for raspberrypi-cm3
SRC_URI:append:raspberrypi-cm3 = " file://0001-dm-core-Move-ofdata_to_platdata-call-earlier.patch"