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u-boot: Disable interrupt timeout for Raspberry Pi 5

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Disable U-Boot interrupt timeout for Raspberry Pi 5 to avoid boot
issues without a connected debug UART. This is a known U-Boot issue
discussed in:
https://bugzilla.opensuse.org/show_bug.cgi?id=1251192
https://lists.denx.de/pipermail/u-boot/2025-January/576305.html

The issue affects Raspberry Pi 5 with U-Boot version 2025.04 from
branch scarthgap/u-boot of layer meta-lts-mixins.

This work was sponsored by GOVCERT.LU.

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
This commit is contained in:
Leon Anavi
2026-08-12 06:50:53 -07:00
committed by Khem Raj
parent a0ebcf5639
commit f30b465cf0
1 changed files with 11 additions and 0 deletions
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recipes-bsp/u-boot/u-boot_%.bbappend
+11
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@@ -8,6 +8,17 @@ SRC_URI:append:raspberrypi4 = " file://maxsize.cfg"
DEPENDS:append:rpi = " u-boot-default-script"
do_configure:append:raspberrypi5() {
# Remove any existing CONFIG_BOOTDELAY= lines
sed -i '/^CONFIG_BOOTDELAY=/d' "${B}/.config"
# Disable U-Boot interrupt timeout to avoid
# boot issues without a connected debug UART
# This is a known U-Boot issue discussed in:
# https://bugzilla.opensuse.org/show_bug.cgi?id=1251192
# https://lists.denx.de/pipermail/u-boot/2025-January/576305.html
echo "CONFIG_BOOTDELAY=-2" >> ${B}/.config
}
do_install:append:rpi () {
install -d ${D}${sysconfdir}
install -m 0644 ${UNPACKDIR}/fw_env.config ${D}${sysconfdir}/fw_env.config