feat: support rpi1 and zero (#12)

* add support for raspberry pi 1

* detect firmware name from file

* add note for rpi zero

* update supported devices section

.github/workflows/bake-image.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: extractions/setup-just@v1
 
       - name: Install QEMU
-        run: docker run --privileged --rm tonistiigi/binfmt --install arm64
+        run: docker run --privileged --rm tonistiigi/binfmt --install arm64,armhf
 
       - name: Set image version
         run: echo "VERSION=$(just generate_version)" >> $GITHUB_ENV

README.md

@@ -4,16 +4,18 @@ The repository can be used to build custom Raspberry Pi images with thin-edge.io
 
 ## Compatible devices
 
-**Using u-boot bootloader**
+**Using u-boot**
 
+* Raspberry PI 1B
 * Raspberry PI 2B Rev 1.2
+* Raspberry PI Zero
 * Raspberry PI Zero 2 W
 * Raspberry PI 3
 
-**Using tryboot bootloader**
+**Using tryboot**
 
-* Raspberry Pi 4 (using tryboot)
-* Raspberry Pi 5 (using tryboot)
+* Raspberry Pi 4
+* Raspberry Pi 5
 
 
 ## Images
@@ -86,3 +88,9 @@ The default WIFI credentials are as follows, though it assumes that the given WI
     * pi45
 
     This profile will use pre-baked credentials for the WIFI which are defined in [profiles/wifi.toml](profiles/wifi.toml).
+
+### Building for Raspberry 1 or Zero
+
+```sh
+just IMAGE_ARCH=armhf PROFILE=armhf VARIANT=pi01 build-all
+```

images/pi01.toml

@@ -0,0 +1,6 @@
+architecture = "armhf"
+
+boot_flow = "u-boot"
+
+# Make image generic so it can be used for pi4 and pi5
+include_firmware = "none"

justfile

@@ -1,5 +1,10 @@
 
-export IMAGE_URL := "https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2023-10-10/2023-10-10-raspios-bookworm-arm64-lite.img.xz"
+export IMAGE_URL_ARM64 := "https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2023-10-10/2023-10-10-raspios-bookworm-arm64-lite.img.xz"
+export IMAGE_URL_ARMHF := "https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2023-10-10/2023-10-10-raspios-bookworm-armhf-lite.img.xz"
+
+export IMAGE_ARCH := "arm64"
+
+export IMAGE_URL := if IMAGE_ARCH != "armhf" { IMAGE_URL_ARM64 } else { IMAGE_URL_ARMHF }
 export RUGPI_IMAGE := "ghcr.io/silitics/rugpi-bakery:latest"
 
 export PREFIX := "tedge_rugpi_"
@@ -35,6 +40,10 @@ show:
     @echo "VERSION: {{VERSION}}"
     @echo "BUILD_INFO: {{BUILD_INFO}}"
 
+# Setup binfmt tools
+setup:
+    docker run --privileged --rm tonistiigi/binfmt --install arm64,armhf
+
 # Clean build
 clean:
     @rm -Rf build/
@@ -68,7 +77,7 @@ bake:
     @echo ""
 
 # Build the entire image
-build-all: extract customize bake
+build-all: setup extract customize bake
 
 # Build the image from an already downloaded image
 build-local: customize bake

profiles/armhf.toml

@@ -0,0 +1,26 @@
+recipes = [
+    "persist-root-home",
+    "ssh",
+    "zsh",
+    "persist-overlay",
+    "tedge-firmware-update",
+    "set-wifi",
+]
+exclude = ["mosquitto"]
+architecture = "armhf"
+
+[parameters.apt-cleanup]
+autoremove = true
+
+[parameters.ssh]
+root_authorized_keys = """
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDfhQGWWw73ponAokdNSRZ5cQc9/CIX1TLQgYlr+BtObKoO4UNFP1YSbgK03GjhjeUid+QPmV+UURqxQTqLQoYWqUFP2CYkILFccVPmTvx9HLwupI+6QQKWfMDx9Djfph9GzInymaA5fT7hKppqittFrC/l3lkKgKTX5ohEOGshIbRgtgOYIaW3ByTx3urnaBbYCIgOyOZzSIyS0dUkwsiLu3XjPspgmn3Fs/+vofT/yhBe1carW0UM3ivV0JFfJzrxbCl/F7I2qwfjZXsypjkwlpNupUMuo3xPMi8YvNvyEu4d+IEAqO1dCcdGcxlkiHxrdITIpVLt5mjJ2LauHE/H bootstrap
+"""
+
+[parameters.set-wifi]
+# These values should be modified if you want to enable default wifi credentials in the image
+ssid = "onboarding_jail"
+password = "onboarding_jail"
+
+[parameters.rugpi-ctrl]
+rugpi_admin = true  # Enable Rugpi Admin.

recipes/tedge-bootstrap/files/tedge-bootstrap

@@ -68,8 +68,11 @@ set_hostname() {
     fi
     echo "$host_name" | tee /etc/hostname
     sed -i -E 's/^127.0.1.1.*/127.0.1.1\t'"$host_name"'/' /etc/hosts
-    hostnamectl set-hostname "$host_name"
-    systemctl restart avahi-daemon 2>/dev/null ||:
+    if ! hostnamectl set-hostname "$host_name"; then
+        log "hostnamectl failed, falling back to writing to /etc/hostname"
+        echo "$host_name" > /etc/hostname
+    fi
+    systemctl restart avahi-daemon --no-block 2>/dev/null ||:
 }
 
 if [ $# -gt 0 ]; then