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arm-bsp/fvp-base-arm32: use correct DeviceTree

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The 64-bit fvp-base machine uses the upstream fvp-base-recv devicetree,
but fvp-base-arm32 was accidentally using the old
fvp-base-gicv3-psci-custom that we patch into the kernel.

As the only difference between these platforms at a "hardware" level is
whether the cores boot in 32- or 64-bit mode, they should both use
fvp-base-revc.

This isn't trivial as devicetree files need to  be under the correct
arch/ directory, so we need to symlink into arch/arm the right files
from arch/arm64.

This has several improvements, but primarily virtio networking works so
we can now use testimage with fvp-base-arm32.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Ross Burton
2022-03-25 13:48:51 +00:00
committed by Jon Mason
parent 0e9df5afbb
commit 4ab912828e
5 changed files with 12 additions and 591 deletions
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meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc
+8 -2
View File
@@ -67,8 +67,14 @@ FILESEXTRAPATHS:prepend:fvp-base := "${ARMBSPFILESPATHS}"
COMPATIBLE_MACHINE:fvp-base-arm32 = "fvp-base-arm32"
KMACHINE:fvp-base-arm32 = "fvp-arm32"
FILESEXTRAPATHS:prepend:fvp-base-arm32 := "${ARMBSPFILESPATHS}"
SRC_URI:append:fvp-base-arm32 = " file://fvp-base-arm32-dts.patch \
file://0001-ARM-vexpress-enable-GICv3.patch"
SRC_URI:append:fvp-base-arm32 = " file://0001-ARM-vexpress-enable-GICv3.patch"
# We want to use the DT in the arm64 tree but the kernel build doesn't like that, so symlink it
do_compile:prepend:fvp-base-arm32() {
mkdir --parents ${S}/arch/arm/boot/dts/arm
for file in fvp-base-revc.dts rtsm_ve-motherboard.dtsi rtsm_ve-motherboard-rs2.dtsi; do
ln -fsr ${S}/arch/arm64/boot/dts/arm/$file ${S}/arch/arm/boot/dts/arm
done
}
#
# FVP BaseR AEMv8r64 Machine