A script to build a gcw0 sdcard image

* od_gcw0_defconfig adjusted to build the linux kernel.
* Kernel modules squashfs built as a post-image step.
* Adds ubiboot boot package.
* Adds od-imager host package.

Signed-off-by: Gleb Mazovetskiy <glex.spb@gmail.com>

board/opendingux/gcw0/build-linux-modules-squashfs.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+# Build modules.squashfs
+if [ -f output/build/linux-custom/create_modules_fs.sh ]; then
+  output/build/linux-custom/create_modules_fs.sh
+  cp output/build/linux-custom/modules.squashfs "$1"
+else
+  echo 'modules.squashfs not built because create_modules_fs.sh is missing'
+fi

board/opendingux/gcw0/download_local_pack.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+mkdir -p dl/od_local_pack_gcw0/
+cd dl/od_local_pack_gcw0/
+
+echo Downloading rs97.bitgala.xyz/RG-350/localpack/emulators/...
+wget -N -r -nd --no-parent --reject='index.html*' --reject='scumm*' --reject='robots.txt*' \
+https://rs97.bitgala.xyz/RG-350/localpack/default_emulators/ |& tee /tmp/emulators.log
+
+echo Downloading rs97.bitgala.xyz/RG-350/localpack/apps/...
+wget -N -r -nd --no-parent --reject='index.html*' --reject='robots.txt*' \
+https://rs97.bitgala.xyz/RG-350/localpack/default_apps/ |& tee /tmp/apps.log

board/opendingux/gcw0/make_initial_image.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+
+# Builds a full SD card image
+#
+# If you want the localpack apps included in the image, run this first:
+# board/opendingux/gcw0/download_local_pack.sh
+
+set -e
+
+make world mininit ubiboot host-od-imager
+
+# Data image (OPKs):
+cd output/images
+mkdir -p od-imager/apps/
+rm -f od-imager/apps/*
+if [ -d ../../dl/od_local_pack_gcw0/ ]; then
+	cp ../../dl/od_local_pack_gcw0/*.opk od-imager/apps/
+fi
+if [ -d opks ]; then
+	cp opks/*.opk od-imager/apps/
+fi
+
+# System image
+cp mininit-syspart od-imager/
+cat vmlinuz.bin gcw0.dtb > od-imager/vmlinuz.bin
+cp modules.squashfs od-imager/
+cp rootfs.squashfs od-imager/
+# Fallbacks are empty as this is the initial image.
+echo -n > od-imager/vmlinuz.bak
+echo -n > od-imager/modules.squashfs.bak
+
+# Bootloader
+cp ubiboot/ubiboot-v20_mddr_512mb.bin od-imager/ubiboot.bin
+cd -
+
+# Assemble partitions and the final image
+cd output/images/od-imager/
+./create_mbr.sh
+./create_system_image.sh
+./create_data_image.sh
+./assemble_images.sh
+cd -
+
+echo
+echo 'SD card image created in:'
+echo output/images/od-imager/images/sd_image.bin
+echo Size:
+du -sh output/images/od-imager/images/sd_image.bin

board/opendingux/package/od-imager/od-imager.hash

@@ -0,0 +1 @@
+sha256 9e2022812c2faf13d9cc71ea517af393ae8539770957e0de3921c50ebef880ef od-imager-8d01931.tar.gz

board/opendingux/package/od-imager/od-imager.mk

@@ -0,0 +1,15 @@
+#############################################################
+#
+# od-imager
+#
+#############################################################
+
+OD_IMAGER_VERSION = 8d01931
+OD_IMAGER_SITE = $(call github,glebm,imager,$(OD_IMAGER_VERSION))
+
+define HOST_OD_IMAGER_INSTALL_CMDS
+	mkdir -p $(BINARIES_DIR)/od-imager
+	cp $(@D)/*.* $(BINARIES_DIR)/od-imager
+endef
+
+$(eval $(host-generic-package))

configs/od_gcw0_defconfig

@@ -20,9 +20,19 @@ BR2_ROOTFS_DEVICE_TABLE="board/opendingux/device_table.txt"
 BR2_ROOTFS_MERGED_USR=y
 BR2_SYSTEM_ENABLE_NLS=y
 BR2_TARGET_TZ_INFO=y
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/OpenDingux/linux/archive/jz-5.3-gcw0.tar.gz"
+BR2_LINUX_KERNEL_DEFCONFIG="gcw0"
+BR2_LINUX_KERNEL_VMLINUZ_BIN=y
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="ingenic/gcw0"
+BR2_TARGET_UBIBOOT=y
+BR2_TARGET_UBIBOOT_BOARDNAME="gcw0"
 BR2_ROOTFS_USERS_TABLES="board/opendingux/users.txt"
 BR2_ROOTFS_OVERLAY="board/opendingux/gcw0/overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/opendingux/gcw0/cleanup-rootfs.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/opendingux/gcw0/build-linux-modules-squashfs.sh"
 BR2_PACKAGE_BUSYBOX_CONFIG="board/opendingux/busybox.config"
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 BR2_PACKAGE_ALSA_UTILS=y