build: Add support for header v2 images

.github/workflows/build.yml

@@ -19,6 +19,10 @@ on:
       device_tree:
         type: string
         required: true
+      header_version:
+        type: string
+        required: false
+        default: ''
   workflow_dispatch:
     inputs:
       device:
@@ -36,6 +40,10 @@ on:
       device_tree:
         type: string
         required: true
+      header_version:
+        type: string
+        required: false
+        default: ''
 
 jobs:
   build:
@@ -55,7 +63,7 @@ jobs:
       - name: Build u-boot
         run: |
           cd u-boot/builder
-          ./build_container.sh "${{ inputs.config }}" "${{ inputs.device_tree }}"
+          ./build_container.sh "${{ inputs.config }}" "${{ inputs.device_tree }}" "${{ inputs.header_version }}"
           mv output/u-boot.img output/u-boot-${{ inputs.device }}.img
 
       - name: Upload build artifacts

.github/workflows/release.yml

@@ -25,17 +25,19 @@ jobs:
             config: "qcom_defconfig phone.config"
             device_tree: "qcom/sdm845-xiaomi-beryllium-tianma"
           - device: fairphone-fp5
-            repo: https://git.codelinaro.org/clo/qcomlt/u-boot.git
-            ref: 6fc40f2499b1a517487933d7d81a482f6dce7751
-            config: "qcom_defconfig phone.config"
+            repo: https://source.denx.de/u-boot/u-boot
+            ref: next
+            config: "qcm6490_defconfig qcom-phone.config"
             device_tree: "qcom/qcm6490-fairphone-fp5"
+            header_version: "2"
     uses: ./.github/workflows/build.yml
     with:
       device: ${{ matrix.target.device }}
       repo: ${{ matrix.target.repo }}
       ref: ${{ matrix.target.ref }}
       config: ${{ matrix.target.config }}
       device_tree: ${{ matrix.target.device_tree }}
+      header_version: ${{ matrix.target.header_version }}
 
   release:
     needs: [ build ]

build.sh

@@ -4,12 +4,23 @@ set -uexo pipefail
 
 CONFIG="$1"
 DEVICE_TREE="$2"
+HEADER_VERSION="${3:-}"
 
 cd ..
 make $CONFIG
-make -j $(nproc) DEVICE_TREE="$DEVICE_TREE"
+make -j $(nproc)
 gzip u-boot-nodtb.bin -c > u-boot-nodtb.bin.gz
-cat u-boot-nodtb.bin.gz dts/upstream/src/arm64/$DEVICE_TREE.dtb > u-boot-dtb
-mkbootimg --kernel_offset '0x00008000' --pagesize '4096' --kernel u-boot-dtb -o u-boot.img
+
+if [ "$HEADER_VERSION" = "2" ]; then
+    # Boot image v2 requires separate --dtb parameter
+    MKBOOTIMG_ARGS="--kernel u-boot-nodtb.bin.gz --dtb dts/upstream/src/arm64/$DEVICE_TREE.dtb --pagesize 4096 --base 0x0 --kernel_offset 0x8000 --ramdisk_offset 0x1000000 --tags_offset 0x100 --dtb_offset 0x1f00000 --header_version 2 -o u-boot.img"
+else
+    # Legacy format: concatenate kernel and dtb
+    cat u-boot-nodtb.bin.gz dts/upstream/src/arm64/$DEVICE_TREE.dtb > u-boot-dtb
+
+    MKBOOTIMG_ARGS="--kernel u-boot-dtb --pagesize 4096 --base 0x0 --kernel_offset 0x8000 -o u-boot.img"
+fi
+
+mkbootimg $MKBOOTIMG_ARGS
 mkdir -p builder/output/
 cp u-boot.img builder/output/u-boot.img

build_container.sh

@@ -4,5 +4,5 @@ podman run --rm -it -v..:/srv:z -w/srv fedora:43 bash -c \
   "
     dnf -y install bison flex android-tools make gcc glibc-devel openssl-devel openssl-devel-engine gnutls-devel awk xxd
     cd builder
-    ./build.sh \"${1}\" \"${2}\"
+    ./build.sh \"${1}\" \"${2}\" \"${3}\"
   "