2 files changed, 178 insertions, 0 deletions
diff --git a/fs/jffs2/Config.in b/fs/jffs2/Config.in
new file mode 100644
index 000000000..b787ec9d1
--- /dev/null
+++ b/fs/jffs2/Config.in
@@ -0,0 +1,117 @@
+config BR2_TARGET_ROOTFS_JFFS2
+	bool "jffs2 root filesystem"
+	help
+	  Build a jffs2 root filesystem
+
+if BR2_TARGET_ROOTFS_JFFS2
+
+choice
+	prompt "Flash Type"
+	default BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+
+config BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	bool "AT45 dataflash with 1056 byte pagesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	bool "AT45 dataflash with 528 byte pagesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	bool "NAND flash with 512B Page and 16 kB erasesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	bool "NAND flash with 2kB Page and 128 kB erasesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	bool "Parallel flash with 4 kB pagesize and 128 kB erase size"
+
+config BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	bool "Parallel flash with 4 kB pagesize and 64 kB erase size"
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	bool "Select custom page and erase size"
+
+endchoice
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM_PAGESIZE
+	hex "Page Size"
+	depends on BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	default 0x1000
+	help
+	  Set to pagesize of memory
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM_EBSIZE
+	hex "Erase block size"
+	depends on BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	default 0x20000
+	help
+	  Set to erase size of memory
+
+config BR2_TARGET_ROOTFS_JFFS2_PAGESIZE
+	hex
+	default 0x420 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default 0x210 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default 0x200 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default 0x800 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	default 0x1000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	default 0x1000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	default $(BR2_TARGET_ROOTFS_JFFS2_CUSTOM_PAGESIZE) if BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+
+config BR2_TARGET_ROOTFS_JFFS2_EBSIZE
+	hex
+	default 0x2100 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default 0x1080 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default 0x4000 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default 0x20000 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	default 0x20000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	default 0x10000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	default $(BR2_TARGET_ROOTFS_JFFS2_CUSTOM_EBSIZE) if BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+
+config BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+	bool "Do not use Cleanmarker"
+	default y if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default y if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default y if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default y if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	help
+	  Do not use cleanmarkers if using NAND flash or Dataflash where
+	  the pagesize is not a power of 2
+
+config BR2_JFFS2_TARGET_SREC
+	bool "RootFS in SREC file formet"
+
+config BR2_TARGET_ROOTFS_JFFS2_PAD
+	bool "Pad output"
+
+config BR2_TARGET_ROOTFS_JFFS2_PADSIZE
+	hex "Pad output size (0x0 = to end of EB)"
+	depends on BR2_TARGET_ROOTFS_JFFS2_PAD
+	default 0x0
+	help
+	  Set to 0x0 to pad to end of erase block.
+
+choice
+	prompt "Endianess"
+	default BR2_TARGET_ROOTFS_JFFS2_BE if BR2_alpha || BR2_armeb || \
+			BR2_avr32 || BR2_m68k || BR2_mips || \
+			BR2_powerpc || BR2_sh2a_nofpueb || BR2_sh2eb || \
+			BR2_sh3eb || BR2_sh4eb || BR2_sparc || BR2_sparc64
+
+config BR2_TARGET_ROOTFS_JFFS2_LE
+	bool "little-endian"
+
+config BR2_TARGET_ROOTFS_JFFS2_BE
+	bool "big-endian"
+
+endchoice
+
+config BR2_TARGET_ROOTFS_JFFS2_SUMMARY
+	bool "Produce a summarized JFFS2 image"
+	help
+	  A summarised image can be mounted faster if support is
+	  enabled in the kernel (CONFIG_JFFS2_SUMMARY)
+
+endif
diff --git a/fs/jffs2/jffs2root.mk b/fs/jffs2/jffs2root.mk
new file mode 100644
index 000000000..a0a563d18
--- /dev/null
+++ b/fs/jffs2/jffs2root.mk
@@ -0,0 +1,61 @@
+#############################################################
+#
+# Build the jffs2 root filesystem image
+#
+#############################################################
+
+JFFS2_OPTS := -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
+SUMTOOL_OPTS := $(JFFS2_OPTS)
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_PAD),y)
+ifneq ($(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE)),0x0)
+JFFS2_OPTS += --pad=$(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE))
+else
+JFFS2_OPTS += -p
+endif
+SUMTOOL_OPTS += -p
+endif
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_LE),y)
+JFFS2_OPTS += -l
+SUMTOOL_OPTS += -l
+endif
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_BE),y)
+JFFS2_OPTS += -b
+SUMTOOL_OPTS += -b
+endif
+
+JFFS2_OPTS += -s $(BR2_TARGET_ROOTFS_JFFS2_PAGESIZE)
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER),y)
+JFFS2_OPTS += -n
+SUMTOOL_OPTS += -n
+endif
+
+ifneq ($(TARGET_DEVICE_TABLE),)
+JFFS2_OPTS += -D $(TARGET_DEVICE_TABLE)
+endif
+
+ROOTFS_JFFS2_DEPENDENCIES = host-mtd
+
+ifneq ($(BR2_TARGET_ROOTFS_JFFS2_SUMMARY),)
+define ROOTFS_JFFS2_CMD
+	$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $$@.nosummary && \
+	$(SUMTOOL) $(SUMTOOL_OPTS) -i $$@.nosummary -o $$@ && \
+	rm $$@.nosummary
+endef
+else
+define ROOTFS_JFFS2_CMD
+	$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $$@
+endef
+endif
+
+define JFFS2_GEN_SREC
+	$(TARGET_CROSS)objcopy -I binary -O srec --adjust-vma 0xa1000000 $$@ $$@.srec
+endef
+
+ifeq ($(BR2_JFFS2_TARGET_SREC),y)
+ROOTFS_JFFS2_POST_GEN_HOOKS += JFFS2_GEN_SREC
+endif
+
+$(eval $(call ROOTFS_TARGET,jffs2))
+\ No newline at end of file