Add ADI board support, packages, and build infrastructure

.github/workflows/build.yaml

@@ -16,45 +16,52 @@ jobs:
     runs-on: ${{ vars.RUNNER != '' && fromJSON(vars.RUNNER) || 'ubuntu-latest' }}
 
     strategy:
+      fail-fast: false
       matrix:
-        defconfig:
-          - adi_sc598_ezkit_defconfig
-        flavor:
-          - debug
-          - bootstrap
+        include:
+          - defconfig: adi_sc598_ezkit_defconfig
+            flavor: debug
+          - defconfig: adi_sc598_ezkit_defconfig
+            flavor: bootstrap
+          - defconfig: zynq_pluto_defconfig
+          - defconfig: zynq_m2k_defconfig
+          - defconfig: microblaze_adi_rootfs_defconfig
 
     steps:
       - name: Checkout br2-external
         uses: actions/checkout@v6
         with:
           submodules: recursive
 
-      - name: Build image for ${{ matrix.defconfig }} with ${{ matrix.flavor }} configuration
+      - name: Build image for ${{ matrix.defconfig }}${{ matrix.flavor && format(' with {0} configuration', matrix.flavor) || '' }}
         run: |
           cd buildroot
+          umask 022
           make distclean
           make BR2_EXTERNAL="${PWD}/.." ${{ matrix.defconfig }}
-          support/kconfig/merge_config.sh .config \
-            ../configs/buildroot.fragment \
-            ../configs/${{ matrix.flavor }}.fragment
+          if [ -n "${{ matrix.flavor }}" ]; then
+            support/kconfig/merge_config.sh .config \
+              ../configs/buildroot.fragment \
+              ../configs/${{ matrix.flavor }}.fragment
+          fi
           make -j$(nproc)
 
       - name: Upload Buildroot images for ${{ matrix.defconfig }} with ${{ matrix.flavor }} configuration
         uses: actions/upload-artifact@v6
         with:
-          name: images-${{ matrix.flavor }}-${{ matrix.defconfig }}
+          name: images-${{ matrix.flavor || 'default' }}-${{ matrix.defconfig }}
           path: buildroot/output/images
 
       - name: Archive output images directory
         if: ${{ github.event_name == 'release' }}
         run: |
-          tar -cJvf images-${{ matrix.flavor }}-${{ matrix.defconfig }}-${{ github.event.release.tag_name }}.tar.xz \
+          tar -cJvf images-${{ matrix.flavor || 'default' }}-${{ matrix.defconfig }}-${{ github.event.release.tag_name }}.tar.xz \
             buildroot/output/images/
 
       - name: Upload release archive to release
         uses: svenstaro/upload-release-action@v2
         if: ${{ github.event_name == 'release' }}
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: images-${{ matrix.flavor }}-${{ matrix.defconfig }}-${{ github.event.release.tag_name }}.tar.xz
+          file: images-${{ matrix.flavor || 'default' }}-${{ matrix.defconfig }}-${{ github.event.release.tag_name }}.tar.xz
           tag: ${{ github.ref }}

.travis.yml

@@ -0,0 +1,26 @@
+language: c
+
+branches:
+  except:
+  - adi-2019.02.2 # current rebased versions of master; change this when updating kernel ver
+
+os: linux
+
+notifications:
+  email:
+    on_success: change
+    on_failure: always
+
+matrix:
+  include:
+    - env: BUILD_TYPE=ensure_defconfigs_uptodate
+           VIVADO_ARCH=zynq
+           VIVADO_DEFCONFIGS="zynq_m2k zynq_pluto zynq_sidekiqz2"
+           VIVADO_VERSIONS="2018_3 2019_1"
+    - env: BUILD_TYPE=ensure_defconfigs_uptodate
+           VIVADO_ARCH=microblaze
+           VIVADO_DEFCONFIGS="microblaze_adi microblaze_adi_rootfs"
+           VIVADO_VERSIONS="2018_3 2019_1"
+
+script:
+  - ./ci/run-build.sh

Config.in

@@ -0,0 +1,23 @@
+menu "ADI packages"
+
+menu "Hardware handling"
+	source "$BR2_EXTERNAL_ADI_PATH/package/libad9361-iio/Config.in"
+	source "$BR2_EXTERNAL_ADI_PATH/package/libm2k/Config.in"
+	source "$BR2_EXTERNAL_ADI_PATH/package/libini/Config.in"
+endmenu
+
+menu "Tools and utilities"
+	source "$BR2_EXTERNAL_ADI_PATH/package/fru-tools/Config.in"
+	source "$BR2_EXTERNAL_ADI_PATH/package/poll_sysfs/Config.in"
+	source "$BR2_EXTERNAL_ADI_PATH/package/ad936x_ref_cal/Config.in"
+endmenu
+
+menu "JESD204B"
+	source "$BR2_EXTERNAL_ADI_PATH/package/jesd204b_status/Config.in"
+endmenu
+
+menu "Python modules"
+	source "$BR2_EXTERNAL_ADI_PATH/package/python-pygccxml/Config.in"
+endmenu
+
+endmenu

Makefile

@@ -0,0 +1,39 @@
+BUILDROOT_VERSION ?= adi-2026.02-y
+BUILDROOT_URL ?= https://github.com/analogdevicesinc/buildroot.git
+BUILDROOT_DIR ?= $(CURDIR)/buildroot
+
+BR2_EXTERNAL := $(CURDIR)
+BUILDROOT_PATCHES := $(sort $(wildcard $(CURDIR)/patches/buildroot/*.patch))
+
+# Targets handled locally, not forwarded to buildroot
+buildroot: ## Clone and patch buildroot
+	@if [ ! -d $(BUILDROOT_DIR)/.git ]; then \
+		echo "Cloning buildroot $(BUILDROOT_VERSION)..."; \
+		git clone --depth 1 --branch $(BUILDROOT_VERSION) \
+			$(BUILDROOT_URL) $(BUILDROOT_DIR); \
+	fi
+	$(MAKE) buildroot-patch
+
+buildroot-patch: ## Apply patches to buildroot
+	@for p in $(BUILDROOT_PATCHES); do \
+		if git -C $(BUILDROOT_DIR) apply --check "$$p" 2>/dev/null; then \
+			echo "Applying $$(basename $$p)..."; \
+			git -C $(BUILDROOT_DIR) apply "$$p" || exit 1; \
+		else \
+			echo "Skipping $$(basename $$p) (already applied or conflicts)"; \
+		fi; \
+	done
+
+buildroot-clean: ## Remove the buildroot directory
+	rm -rf $(BUILDROOT_DIR)
+
+# Everything else is forwarded to buildroot
+.DEFAULT_GOAL := help
+
+# This is the forwarding rule: any target not defined above
+# gets passed through to buildroot's Makefile
+.DEFAULT:
+	@test -d $(BUILDROOT_DIR) || { echo "Run 'make buildroot' first"; exit 1; }
+	$(MAKE) -C $(BUILDROOT_DIR) BR2_EXTERNAL="$(BR2_EXTERNAL)" $(MAKECMDGOALS)
+
+.PHONY: buildroot buildroot-patch buildroot-clean

azure-pipelines.yml

@@ -0,0 +1,36 @@
+trigger:
+- main
+- master
+- staging/*
+- adi-20*
+
+pr:
+- main
+- master
+- adi-20*
+
+pool:
+  vmImage: 'ubuntu-latest'
+
+stages:
+  - stage: Build
+    jobs:
+      - job: microblaze_rootfs_build_test
+        steps:
+        - checkout: self
+          fetchDepth: 1
+          clean: true
+        - script: |
+            #!/bin/bash
+            make microblaze_adi_rootfs_vivado_2019_1_defconfig
+            make -j"$(nproc)"
+          displayName: "Build rootfs for microblaze"
+        - task: CopyFiles@2
+          inputs:
+            sourceFolder: '$(Agent.BuildDirectory)/s/output/images'
+            contents: '$(Agent.BuildDirectory)/s/output/images/rootfs.cpio.gz'
+            targetFolder: '$(Build.ArtifactStagingDirectory)'
+        - task: PublishPipelineArtifact@1
+          inputs:
+            targetPath: '$(Build.ArtifactStagingDirectory)'
+            artifactName: 'mb_rootfs'

board/adi/m2k/S16xadc

@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# Unbind XADC
+#
+case "$1" in
+ start)
+	#echo f8007100.adc > /sys/bus/platform/drivers/xadc/unbind
+	;;
+  stop)
+	;;
+  restart|reload)
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?

board/adi/m2k/S21misc

@@ -0,0 +1,38 @@
+#!/bin/sh
+#
+# Keep the main clock in powerdown until used
+#
+
+source /etc/device_config
+
+handle_calibration_files() {
+	if [[ -s /mnt/jffs2/${CALIBFILENAME} ]]; then
+		cp /mnt/jffs2/${CALIBFILENAME} /opt/${CALIBFILENAME}
+	elif [[ -s /mnt/jffs2/${CALIBFILENAME_FACTORY} ]]; then
+		cp /mnt/jffs2/${CALIBFILENAME_FACTORY} /opt/${CALIBFILENAME}
+	fi
+
+	if [[ -s /mnt/jffs2/${CALIBFILENAME_TEMP_LUT} ]]; then
+		cp /mnt/jffs2/${CALIBFILENAME_TEMP_LUT} /opt/${CALIBFILENAME_TEMP_LUT}
+	fi
+}
+
+case "$1" in
+ start)
+	# Restore saved password and Dropbear keys
+	[[ -d /mnt/jffs2/etc ]] && cd /mnt/jffs2/etc && md5sum -s -c password.md5 && cp passwd shadow group /etc
+	[[ -d /mnt/jffs2/etc/dropbear ]] && cd /mnt/jffs2/etc/dropbear && md5sum -s -c keys.md5 && cp dropbear* /etc/dropbear/
+	[[ -d /mnt/jffs2/root/.ssh ]] && cd /mnt/jffs2/root/.ssh && md5sum -s -c keys.md5 && mkdir /root/.ssh && cp authorized_keys /root/.ssh
+	iio_attr -q -d m2k-fabric clk_powerdown 1
+	handle_calibration_files
+	;;
+  stop)
+	;;
+  restart|reload)
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?