Make beagleboard as subtarget from omap35xx

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18779 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 71 insertions, 0 deletions

diff --git a/target/linux/omap35xx/image/Makefile b/target/linux/omap35xx/image/Makefile
new file mode 100755
index 000000000..14b34174d
--- /dev/null
+++ b/target/linux/omap35xx/image/Makefile
@@ -0,0 +1,36 @@
+# 
+# Copyright (C) 2006 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
+
+JFFS2_BLOCKSIZE=128k
+JFFS2OPTS += --little-endian --pagesize=0x800 --no-cleanmarkers --pad
+MAKE += -j5
+
+define Image/BuildKernel
+	$(TARGET_CROSS)objcopy -O binary -R .note -R .comment -S $(LINUX_DIR)/arch/arm/boot/compressed/vmlinux linux.bin
+	mkimage -A arm -O linux -T kernel -C none -a 80008000 -e 80008000 -n "OpenWRT Kernel Image beagleboard" -d linux.bin uImage
+	mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n 'uImage.bin+mmc2' -d ../files/boot-mmc.cmd boot.scr
+
+	mv uImage $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-uImage
+	mv boot.scr $(BIN_DIR)/boot.scr
+	rm linux.bin
+endef
+
+define Image/Build/squashfs
+    $(call prepare_generic_squashfs,$(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-root.$(1))
+endef
+
+define Image/Build
+	$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-root.$(1)
+	PADDING="true" PATH="$(TARGET_PATH)" ./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image 4 $(KDIR)/root.bootscript 240 $(KDIR)/root.$(1)
+	$(call Image/Build/$(1),$(1))
+endef
+
+
+$(eval $(call BuildImage))
diff --git a/target/linux/omap35xx/image/gen_image.sh b/target/linux/omap35xx/image/gen_image.sh
new file mode 100755
index 000000000..4fd6e377e
--- /dev/null
+++ b/target/linux/omap35xx/image/gen_image.sh
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+# Copyright (C) 2006 - 2007 OpenWrt.org
+set -x 
+[ $# == 5 ] || {
+    echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>"
+    exit 1
+}
+
+OUTPUT="$1"
+KERNELSIZE="$2"
+KERNELDIR="$3"
+ROOTFSSIZE="$4"
+ROOTFSIMAGE="$5"
+
+rm -f "$OUTPUT"
+
+head=16
+sect=63
+cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512)))
+
+# create partition table
+set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m`
+
+KERNELOFFSET="$(($1 / 512))"
+KERNELSIZE="$(($2 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+ROOTFSSIZE="$(($4 / 512))"
+
+BLOCKS="$((($KERNELSIZE / 2) - 1))"
+
+genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel"
+dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
+[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
+dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
+#rm -f "$OUTPUT.kernel"