Initial commit

target/linux/omap/image/Config.in

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+config OMAP_SD_BOOT_PARTSIZE
+	int "Boot (SD Card) filesystem partition size (in MB)"
+	depends on TARGET_omap
+	default 20
+

target/linux/omap/image/Makefile

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+#
+# Copyright (C) 2012-2014 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+FAT32_BLOCK_SIZE=1024
+FAT32_BLOCKS=$(shell echo $$(($(CONFIG_OMAP_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
+
+UBIFS_OPTS = -F -m 2048 -e 124KiB -c 4096 -U
+UBI_OPTS = -m 2048 -p 128KiB -s 512 -O 2048
+
+define Build/omap-sdcard
+	rm -f $@.boot
+	mkfs.fat $@.boot -C $(FAT32_BLOCKS)
+
+	mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)/MLO ::MLO
+	mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)/u-boot.img ::u-boot.img
+	mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)/uEnv.txt ::uEnv.txt
+	mmd -i $@.boot ::/dtbs
+	mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::/dtbs/$(DEVICE_DTS).dtb
+	mcopy -i $@.boot $(IMAGE_KERNEL) ::/zImage
+	./gen_omap_sdcard_img.sh $@ \
+		$@.boot \
+		$(IMAGE_ROOTFS) \
+		$(CONFIG_OMAP_SD_BOOT_PARTSIZE) \
+		$(CONFIG_TARGET_ROOTFS_PARTSIZE)
+	rm -f $@.boot
+endef
+
+define Device/Default
+  PROFILES := Default
+  DEVICE_VARS :=
+  KERNEL_NAME := zImage
+  KERNEL := kernel-bin
+  IMAGES := sdcard.img.gz
+  IMAGE/sdcard.img.gz := omap-sdcard | append-metadata | gzip
+  SUPPORTED_DEVICES = $$(DEVICE_DTS)
+endef
+
+#uboot-omap-am335x_evm uboot-omap-omap3_beagle uboot-omap-omap3_overo uboot-omap-omap4_panda
+
+define Device/am335x-evm
+  DEVICE_TITLE := TI AM335x EVM
+  DEVICE_DTS := am335x-evm
+endef
+
+TARGET_DEVICES += am335x-evm
+
+define Device/am335x-boneblack
+  DEVICE_TITLE := TI AM335x BeagleBone Black
+  DEVICE_DTS := am335x-boneblack
+endef
+
+TARGET_DEVICES += am335x-boneblack
+
+define Device/omap4-panda
+  DEVICE_TITLE := OMAP4 TI pandaboard
+  DEVICE_DTS := omap4-panda
+  DEVICE_PACKAGES := kmod-usb-net-smsc95xx
+endef
+
+TARGET_DEVICES += omap4-panda
+
+define Device/omap3-beagle
+  DEVICE_TITLE := OMAP3 TI beagleboard
+  DEVICE_DTS := omap3-beagle
+  # beagleboard doesn't have a network interface, support most common usb net
+  DEVICE_PACKAGES := kmod-usb-net \
+	kmod-usb-net-asix kmod-usb-net-asix-ax88179 kmod-usb-net-hso \
+	kmod-usb-net-kaweth kmod-usb-net-pegasus kmod-usb-net-mcs7830 \
+	kmod-usb-net-smsc95xx kmod-usb-net-dm9601-ether
+endef
+
+TARGET_DEVICES += omap3-beagle
+
+$(eval $(call BuildImage))

target/linux/omap/image/gen_omap_sdcard_img.sh

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+#!/usr/bin/env bash
+
+#
+# Copyright (C) 2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+set -x
+[ $# -eq 5 ] || {
+    echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
+    exit 1
+}
+
+OUTPUT="$1"
+BOOTFS="$2"
+ROOTFS="$3"
+BOOTFSSIZE="$4"
+ROOTFSSIZE="$5"
+
+head=4
+sect=63
+
+set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
+
+BOOTOFFSET="$(($1 / 512))"
+BOOTSIZE="$(($2 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+ROOTFSSIZE="$(($4 / 512))"
+
+dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
+dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc

target/linux/omap/image/ubinize.cfg

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+[rootfs]
+# Volume mode (other option is static)
+mode=ubi
+# Source image
+image=root.ubifs
+# Volume ID in UBI image
+vol_id=0
+# Allow for dynamic resize
+vol_type=dynamic
+# Volume name
+vol_name=rootfs
+# Autoresize volume at first mount
+vol_flags=autoresize
+