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.

board/opendingux/Config.in

@@ -12,3 +12,9 @@ menu "OpenDingux packages"
 	source "$BR2_EXTERNAL_OPENDINGUX_PATH/package/unlockvt/Config.in"
 
 endmenu
+
+menu "Bootloaders"
+
+source "$BR2_EXTERNAL_OPENDINGUX_PATH/boot/ubiboot/Config.in"
+
+endmenu

board/opendingux/boot/ubiboot/Config.in

@@ -0,0 +1,15 @@
+config BR2_TARGET_UBIBOOT
+	bool "UBIBoot"
+	help
+	  UBIBoot is a very small and simple bootloader for
+	  Ingenic JZ47xx based boards, which is able to start
+	  a Linux kernel located on a UBI partition.
+
+if BR2_TARGET_UBIBOOT
+config BR2_TARGET_UBIBOOT_BOARDNAME
+	string "UBIBoot board name"
+	help
+	  One of UBIBoot supported boards to be built.
+	  This will be suffixed with _config to meet UbiBoot
+	  standard naming.
+endif

board/opendingux/boot/ubiboot/ubiboot.hash

@@ -0,0 +1 @@
+sha256 d095208e4587f2446aea94b05acf9fa1bfc6e7d750c46fccdd8f5b2eae2de84f  ubiboot-121d5ae7af.tar.gz

board/opendingux/boot/ubiboot/ubiboot.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# UbiBoot
+#
+################################################################################
+
+UBIBOOT_VERSION = 121d5ae7af
+UBIBOOT_SITE = $(call github,pcercuei,UBIBoot,$(UBIBOOT_VERSION))
+UBIBOOT_BOARD_NAME = $(call qstrip,$(BR2_TARGET_UBIBOOT_BOARDNAME))
+
+UBIBOOT_LICENSE = GPLv2+
+UBIBOOT_LICENSE_FILES = README
+
+UBIBOOT_INSTALL_IMAGES = YES
+
+define UBIBOOT_BUILD_CMDS
+	$(MAKE) CROSS_COMPILE="$(TARGET_CROSS)" -C $(@D) CONFIG=$(UBIBOOT_BOARD_NAME)
+endef
+
+define UBIBOOT_INSTALL_IMAGES_CMDS
+	mkdir -p $(BINARIES_DIR)/ubiboot
+	$(INSTALL) -D -m 0755 $(@D)/output/$(UBIBOOT_BOARD_NAME)/* $(BINARIES_DIR)/ubiboot
+endef
+
+$(eval $(generic-package))
+
+ifeq ($(BR2_TARGET_UBIBOOT),y)
+# we NEED a board name unless we're at make source
+ifeq ($(filter source,$(MAKECMDGOALS)),)
+ifeq ($(UBIBOOT_BOARD_NAME),)
+$(error NO UBIBoot board name set. Check your BR2_BOOT_UBIBOOT_BOARDNAME setting)
+endif
+endif
+
+endif

board/opendingux/external.mk

@@ -1 +1,2 @@
+include $(sort $(wildcard $(BR2_EXTERNAL_OPENDINGUX_PATH)/boot/*/*.mk))
 include $(sort $(wildcard $(BR2_EXTERNAL_OPENDINGUX_PATH)/package/*/*.mk))

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 1602ad56137506a8a8613da9c24d535ef5c9f1cdb3ba214c6306e435899489f2 od-imager-ff98a7e13f.tar.gz

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

@@ -0,0 +1,15 @@
+#############################################################
+#
+# od-imager
+#
+#############################################################
+
+OD_IMAGER_VERSION = ff98a7e13f
+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

@@ -21,9 +21,19 @@ 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