diff options
Diffstat (limited to 'target/linux/rdc/image')
| -rw-r--r-- | target/linux/rdc/image/Makefile | 3 | ||||
| -rwxr-xr-x | target/linux/rdc/image/mkimg_bifferboard.py | 32 |
2 files changed, 22 insertions, 13 deletions
diff --git a/target/linux/rdc/image/Makefile b/target/linux/rdc/image/Makefile index 00322da..7086b99 100644 --- a/target/linux/rdc/image/Makefile +++ b/target/linux/rdc/image/Makefile @@ -29,8 +29,7 @@ define Image/Build/sitecom endef define Image/Build/bifferboard - $(TOPDIR)/target/linux/rdc/image/mkimg_bifferboard.py $(KDIR)/bzImage $(KDIR)/root.$(1) $(KDIR)/tmp.img - $(CP) $(KDIR)/tmp.img $(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2).img + $(TOPDIR)/target/linux/rdc/image/mkimg_bifferboard.py $(KDIR)/bzImage $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2).img endef define Image/Build/Initramfs diff --git a/target/linux/rdc/image/mkimg_bifferboard.py b/target/linux/rdc/image/mkimg_bifferboard.py index 040c462..5444abe 100755 --- a/target/linux/rdc/image/mkimg_bifferboard.py +++ b/target/linux/rdc/image/mkimg_bifferboard.py @@ -1,21 +1,31 @@ #!/usr/bin/env python """ - Create firmware for 8MB Bifferboards - Firmware does not include the config blocks - Firmware starts just after config + Create firmware for 4/8MB Bifferboards, suitable for uploading using + either bb_upload8.py or bb_eth_upload8.py """ import struct, sys -kernel_extent = 0x200000 -config = 0x6000 +# Increase the kmax value if the script gives errors about the kernel being +# 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 len(sys.argv) != 4: - print "usage: mkimg_bifferboard.py <kernel> <64k JFFS> <output file>" - sys.exit(0) + print "usage: mkimg_bifferboard.py <kernel> <rootfs> <output file>" + sys.exit(-1) bzimage = sys.argv[1] rootfs = sys.argv[2] @@ -23,17 +33,17 @@ if __name__ == "__main__": # Kernel first fw = file(bzimage).read() - if len(fw) > (kernel_extent - config): + if len(fw) > (kernel_extent - config_extent): raise IOError("Kernel too large") - # Pad up to 0x200000 - while len(fw) < (kernel_extent - config): + # Pad up to end of kernel partition + while len(fw) < (kernel_extent - config_extent): fw += "\xff" fw += file(rootfs).read() # Check length of total - if len(fw) > (0x800000 - 0x10000 - 0x6000): + if len(fw) > (flash_size - 0x10000 - config_extent): raise IOError("Rootfs too large") file(target,"wb").write(fw) |