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[rdc] allow 1MB extra space for JFFS and other enhancements (#7706)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22690 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian 2010-08-17 15:31:27 +00:00
parent 94f6a65d04
commit 12671e163c
3 changed files with 24 additions and 13 deletions
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3
target/linux/rdc/image/Makefile
View File

@ -29,8 +29,7 @@ define Image/Build/sitecom
endef endef
define Image/Build/bifferboard define Image/Build/bifferboard
$(TOPDIR)/target/linux/rdc/image/mkimg_bifferboard.py $(KDIR)/bzImage $(KDIR)/root.$(1) $(KDIR)/tmp.img $(TOPDIR)/target/linux/rdc/image/mkimg_bifferboard.py $(KDIR)/bzImage $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2).img
$(CP) $(KDIR)/tmp.img $(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2).img
endef endef
define Image/Build/Initramfs define Image/Build/Initramfs

32
target/linux/rdc/image/mkimg_bifferboard.py
View File

@ -1,21 +1,31 @@
#!/usr/bin/env python #!/usr/bin/env python
""" """
Create firmware for 8MB Bifferboards Create firmware for 4/8MB Bifferboards, suitable for uploading using
Firmware does not include the config blocks either bb_upload8.py or bb_eth_upload8.py
Firmware starts just after config
""" """
import struct, sys import struct, sys
kernel_extent = 0x200000 # Increase the kmax value if the script gives errors about the kernel being
config = 0x6000 # too large. You need to set the Biffboot kmax value to the same value you
# use here.
kmax = 0x10
# No need to change this for 4MB devices, it's only used to tell you if
# the firmware is too large!
flash_size = 0x800000
# This is always the same, for 1MB, 4MB and 8MB devices
config_extent = 0x6000
kernel_extent = kmax * 0x10000
if __name__ == "__main__": if __name__ == "__main__":
if len(sys.argv) != 4: if len(sys.argv) != 4:
print "usage: mkimg_bifferboard.py <kernel> <64k JFFS> <output file>" print "usage: mkimg_bifferboard.py <kernel> <rootfs> <output file>"
sys.exit(0) sys.exit(-1)
bzimage = sys.argv[1] bzimage = sys.argv[1]
rootfs = sys.argv[2] rootfs = sys.argv[2]
@ -23,17 +33,17 @@ if __name__ == "__main__":
# Kernel first # Kernel first
fw = file(bzimage).read() fw = file(bzimage).read()
if len(fw) > (kernel_extent - config): if len(fw) > (kernel_extent - config_extent):
raise IOError("Kernel too large") raise IOError("Kernel too large")
# Pad up to 0x200000 # Pad up to end of kernel partition
while len(fw) < (kernel_extent - config): while len(fw) < (kernel_extent - config_extent):
fw += "\xff" fw += "\xff"
fw += file(rootfs).read() fw += file(rootfs).read()
# Check length of total # Check length of total
if len(fw) > (0x800000 - 0x10000 - 0x6000): if len(fw) > (flash_size - 0x10000 - config_extent):
raise IOError("Rootfs too large") raise IOError("Rootfs too large")
file(target,"wb").write(fw) file(target,"wb").write(fw)

2
target/linux/rdc/profiles/bifferboard.mk
View File

@ -7,5 +7,7 @@
define Profile/bifferboard define Profile/bifferboard
NAME:=Bifferboard NAME:=Bifferboard
PACKAGES:=kmod-usb-core kmod-usb-ohci kmod-usb2 \
kmod-usb-storage kmod-scsi-core kmod-fs-ext3
endef endef
$(eval $(call Profile,bifferboard)) $(eval $(call Profile,bifferboard))