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Disable Ethernet in U-Boot if ODROID-M1 (#3122)

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It seems that the Ethernet initialization in U-Boot causes significant
packet drops in Linux on some board. On a ODROID-M1 with 8GB of RAM, a
packet loss rate of ~20% has been observed. From the user point of view
it feels like a massive slow down (SSH feels very slow, Home Assistant
loads very slow or not at all).

Disabling the Ethernet controller driver avoids initialization in U-Boot
and makes Ethernet work correctly again in Linux.

While at it, drop the previously board specific configs. They haven't
been used and the board seemed fine without them.

(cherry picked from commit bd3cae5300092b9045378939c2de5385d1de3f1a)
This commit is contained in:
Stefan Agner 2024-01-30 10:12:48 +01:00 committed by Jan Čermák
parent e00709d449
commit 8eeb85ed17
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GPG Key ID: A78C897AA3AF012B
2 changed files with 3 additions and 6 deletions
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7
buildroot-external/board/hardkernel/odroid-m1/uboot.config
View File

@ -1,5 +1,2 @@
CONFIG_DOS_PARTITION=y
# CONFIG_EFI_PARTITION is not set
# CONFIG_USB_STORAGE is not set
CONFIG_DISPLAY_BOARDINFO=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
# CONFIG_DWC_ETH_QOS is not set
# CONFIG_DWC_ETH_QOS_ROCKCHIP is not set

2
buildroot-external/configs/odroid_m1_defconfig
View File

@ -137,7 +137,7 @@ BR2_TARGET_UBOOT_CUSTOM_GIT=y
BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/u-boot/u-boot.git"
BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="v2024.01"
BR2_TARGET_UBOOT_BOARD_DEFCONFIG="odroid-m1-rk3568"
BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/uboot.config"
BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/uboot.config $(BR2_EXTERNAL_HASSOS_PATH)/board/hardkernel/odroid-m1/uboot.config"
BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
BR2_TARGET_UBOOT_NEEDS_PYELFTOOLS=y
BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y