##########################################
# linux package for PADS
##########################################

ifeq ($(strip $(PADS_WARP)),y)
LINUX_VER=2.6.26.5
LINUX_BUILDNUM=16
LINUX_DIR=$(BUILD_DIR)/linux
LINUX_SOURCE=kernel-warp-$(LINUX_VER)-$(LINUX_BUILDNUM).tgz
LINUX_SITE=ftp://ftp.pikatech.com/outgoing/pads/kernel-warp
LINUX_UNZIP=zcat
BOARD=44x/warp
endif

ifeq ($(ARCH),)
ARCH := powerpc
endif
CROSS_COMPILE=ppc_4xxFP-

$(DL_DIR)/$(LINUX_SOURCE):
	$(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE)

linux-source: $(DL_DIR)/$(LINUX_SOURCE)


$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
	$(LINUX_UNZIP) $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
	touch $(LINUX_DIR)/.unpacked

$(LINUX_DIR)/.configured: $(LINUX_DIR)/.unpacked
	if [ ! -f  $(LINUX_DIR)/.config ]; then \
		$(MAKE) -C $(LINUX_DIR) $(BOARD)_defconfig; \
	fi
ifeq ($(strip $(PADS_TARGET_CUSTOM)),y)
	-$(MAKE) -C $(LINUX_DIR) menuconfig
endif
	touch $(LINUX_DIR)/.configured


linux: $(LINUX_DIR)/.configured
	$(MAKE) -C $(LINUX_DIR)
	cp -f $(LINUX_DIR)/arch/powerpc/boot/cuImage.warp images/.
	ln -sf $(BUILD_DIR)/linux toolchain/ppc_4xxFP/usr/src
	@echo "Kernel version" $(LINUX_VER)-$(LINUX_BUILDNUM) >> $(PERSISTENT_STORAGE)/version_info.txt

linux-configure: $(LINUX_DIR)/.configured

linux-clean:
	$(RM) $(LINUX_DIR)/.configured
	if test -d $(LINUX_DIR); then \
		$(MAKE) -C $(LINUX_DIR) clean; \
	fi

linux-config: $(LINUX_DIR)/.configured

linux-dirclean: linux-clean
	$(RM) -r $(LINUX_DIR)

################################################
# 
# Toplevel Makefile options
#
#################################################
ifeq ($(strip $(PADS_PACKAGE_LINUX_DIST)),y)
TARGETS+=linux
endif