Add all the parts for the Emcraft SOM image

build/build_kernel_deb.sh

@@ -57,18 +57,18 @@ case ${pureos_board} in
     DOT_CONFIG=imx8_dot_config
     ARCH=arm64
     COMPILER_ARCH=arm64
-    GIT_OPTS=
+    GIT_OPTS="--depth 1"
     DTS_FILE=""
     ;;
   ec-som)
-    KERNEL_BRANCH=linux-imx8m-2.6.0
-    KERNEL_REPO=https://github.com/EmcraftSystems/linux-upstream.git
+    KERNEL_BRANCH=pureos-patches
+    KERNEL_REPO=https://source.puri.sm/Librem5/linux-emcraft.git
     CROSS_COMPILER=aarch64-linux-gnu-
     DOT_CONFIG=emcraft-imx8-som_dot_config
     ARCH=arm64
     COMPILER_ARCH=arm64
-    GIT_OPTS=
-    DTS_FILE=emcraft-imx8-som.dts
+    GIT_OPTS="--depth 1"
+    DTS_FILE=""
     ;;
   \?)
     echo "unrecognized board type ${pureos_board}"
@@ -78,16 +78,15 @@ esac
 
 if [ ! -e linux-${ARCH} ]; then
   echo "Cloning kernel"
-  git clone ${GIT_OPTS} ${KERNEL_REPO} linux-${ARCH}
+  git clone ${GIT_OPTS} -b ${KERNEL_BRANCH} ${KERNEL_REPO} linux-${ARCH}
   cd linux-${ARCH}
 else
   cd linux-${ARCH}
   echo "Updating kernel"
   git pull ${GIT_OPTS} ${KERNEL_REPO} ${KERNEL_BRANCH}
+  git checkout ${KERNEL_BRANCH}
 fi
 
-git checkout ${KERNEL_BRANCH}
-
 if [ ! -e .config ]; then
   echo "Configuring kernel"
   cp ../${DOT_CONFIG} .config

[Guido Gunther]

The commit message says "Fix imx6 kernel build" but most of the changes here are or for aarc64. Is that intentional?

[Angus Ainslie]

The commit message also mentions speeding up the imx8 checkout. They are a bit intertwined thats why I kept them together.