cns21xx: add initial support for the Cavium CNS21xx SoC

SVN-Revision: 24859

1 files changed, 118 insertions, 0 deletions

diff --git a/target/linux/cns21xx/image/Makefile b/target/linux/cns21xx/image/Makefile
new file mode 100644
index 0000000000..9b1e216db6
--- /dev/null
+++ b/target/linux/cns21xx/image/Makefile
@@ -0,0 +1,118 @@
+#
+# Copyright (C) 2010 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+JFFS2_BLOCKSIZE:=64k
+
+include $(INCLUDE_DIR)/image.mk
+
+INITRAMFS_SUFFIX:=
+
+ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+	INITRAMFS_SUFFIX:=-initramfs
+endif
+
+define zimage_name
+$(IMG_PREFIX)-$(1)-zImage$(INITRAMFS_SUFFIX)
+endef
+
+define uimage_name
+$(IMG_PREFIX)-$(1)-uImage$(INITRAMFS_SUFFIX)
+endef
+
+define imgname
+$(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))
+endef
+
+define rootfsname
+$(BIN_DIR)/$(IMG_PREFIX)-$(2)-root.$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))
+endef
+
+define build_squashfs
+	dd if=$(KDIR)/root.squashfs of=$(KDIR)/root.squashfs-$(1) bs=$(1) conv=sync
+	$(call add_jffs2_mark,$(KDIR)/root.squashfs-$(1))
+	dd if=$(KDIR)/root.squashfs-$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.squashfs-$(1) bs=$(1) conv=sync
+endef
+
+define prepare_zimage
+	echo -en "\x$(2)\x1c\xa0\xe3\x$(3)\x10\x81\xe3" > $(KDIR)/$(call zimage_name,$(1))
+	cat $(LINUX_DIR)/arch/arm/boot/zImage >> $(KDIR)/$(call zimage_name,$(1))
+endef
+
+define prepare_uimage
+	$(call prepare_zimage,$(1),$(2),$(3))
+	mkimage -A arm -O linux -T kernel -a 0x100000 -e 0x100000 -C none \
+		-n 'OpenWrt Linux-$(LINUX_VERSION)' \
+		-d $(KDIR)/$(call zimage_name,$(1)) \
+		$(KDIR)/$(call uimage_name,$(1))
+endef
+
+define Image/Prepare
+	# NSB3AST : mach id 2917 (0xb65)
+	$(call prepare_zimage,nsb3ast,0b,65)
+	# NS-K330 : mach id 3108 (0xc24)
+	$(call prepare_zimage,ns-k330,0c,24)
+endef
+
+define Image/BuildKernel
+	cat $(KDIR)/$(call zimage_name,nsb3ast) > $(BIN_DIR)/$(call zimage_name,nsb3ast)
+	cat $(KDIR)/$(call zimage_name,ns-k330) > $(BIN_DIR)/$(call zimage_name,ns-k330)
+endef
+
+define Image/Build/Generic
+	if [ `stat -c%s "$(KDIR)/$(call zimage_name,$(2))"` -gt 1048576 ]; then \
+		echo "Warning: $(KDIR)/$(call zimage_name,$(2)) is too big"; \
+	else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \
+		echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \
+	else \
+		cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \
+		( \
+			dd if=$(KDIR)/$(call zimage_name,$(2)) bs=1024k conv=sync; \
+			dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \
+		) > $(call imgname,$(1),$(2)).img; \
+	fi; fi
+endef
+
+define Image/Build/uImage
+	if [ `stat -c%s "$(KDIR)/$(call uimage_name,$(2))"` -gt 1048576 ]; then \
+		echo "Warning: $(KDIR)/$(call uimage_name,$(2)) is too big"; \
+	else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \
+		echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \
+	else \
+		cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \
+		( \
+			dd if=$(KDIR)/$(call uimage_name,$(2)) bs=1024k conv=sync; \
+			dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \
+		) > $(call imgname,$(1),$(2))-uImage.img; \
+	fi; fi
+endef
+
+define Image/Build/NSB3AST
+	$(call Image/Build/Generic,$(1),nsb3ast,7077888)
+endef
+
+define Image/Build/NSK330
+	$(call Image/Build/Generic,$(1),ns-k330,2686976)
+endef
+
+define Image/Build/squashfs
+	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+
+	$(call build_squashfs,64k)
+	$(call Image/Build/NSB3AST,squashfs-64k)
+	$(call Image/Build/NSK330,squashfs-64k)
+endef
+
+define Image/Build/jffs2-64k
+	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=64k conv=sync
+endef
+
+define Image/Build
+	$(call Image/Build/$(1),$(1))
+endef
+
+$(eval $(call BuildImage))