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author | Josh Blum <josh@joshknows.com> | 2010-02-10 11:57:58 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-02-10 11:57:58 -0800 |
commit | d088a11bf7c257ba45bf0c37a41e5038b302bc44 (patch) | |
tree | 8bbb4d90285a181c603c117de4504e73066afe48 /firmware/microblaze/u2_flash_tool | |
parent | e2044e13ec4ad94e9739402257134abd92cf1521 (diff) | |
download | uhd-d088a11bf7c257ba45bf0c37a41e5038b302bc44.tar.gz uhd-d088a11bf7c257ba45bf0c37a41e5038b302bc44.tar.bz2 uhd-d088a11bf7c257ba45bf0c37a41e5038b302bc44.zip |
Copied a snapshot of the usrp2 firmware into the microblaze firmware directory in the uhd repo.
Added erllc copyrights to the files created and modified at erllc.
Diffstat (limited to 'firmware/microblaze/u2_flash_tool')
-rwxr-xr-x | firmware/microblaze/u2_flash_tool | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/firmware/microblaze/u2_flash_tool b/firmware/microblaze/u2_flash_tool new file mode 100755 index 000000000..2b66a4ac0 --- /dev/null +++ b/firmware/microblaze/u2_flash_tool @@ -0,0 +1,116 @@ +#!/usr/bin/env python + +import sys +from optparse import OptionParser + +SECTOR_SIZE = 512 # bytes +MAX_FILE_SIZE = 1 * (2**20) # maximum number of bytes we'll burn to a slot + +FPGA_OFFSET = 0 # offset in flash to fpga image +FIRMWARE_OFFSET = 1 * (2**20) # offset in flash to firmware image + +def read_file_data(filename): + f = open(filename, "rb") + file_data = f.read(MAX_FILE_SIZE) + t = len(file_data) % SECTOR_SIZE + if t != 0: + file_data += (SECTOR_SIZE - t)*chr(0) # pad to an even sector size w/ zeros + return file_data + + +def write_flash(offset, filename, devname): + file_data = read_file_data(filename) + dev = open(devname, "wb") + dev.seek(offset, 0) # seek to absolute byte offset + dev.write(file_data) + dev.flush() + dev.close() + return True + + +def verify_flash(offset, filename, devname): + file_data = read_file_data(filename) + dev = open(devname, "rb") + dev.seek(offset, 0) # seek to absolute byte offset + dev_data = dev.read(len(file_data)) + if len(dev_data) != len(file_data): + sys.stderr.write("short read on device %s\n" % (devname,)) + return False + + if file_data == dev_data: + return True + + # doesn't match + nwrong = 0 + for i in range(len(file_data)): + if dev_data[i] != file_data[i]: + sys.stderr.write("mismatch at offset %7d. Expected 0x%02x, got 0x%02x\n" % ( + i, ord(file_data[i]), ord(dev_data[i]))) + nwrong += 1 + if nwrong > 16: + sys.stderr.write("> 16 errors, stopping comparison\n") + break + return False + +def read_flash(offset, filename, devname): + dev = open(devname, "rb") + dev.seek(offset, 0) # seek to absolute byte offset + dev_data = dev.read(MAX_FILE_SIZE) + dev.close() + open(filename, "wb").write(dev_data) + + +def main(): + parser = OptionParser(usage="%prog: [options] filename") + parser.add_option("-w", "--write", action="store_const", const="write", dest="mode", + help="write FILE to TARGET slot") + parser.add_option("-v", "--verify", action="store_const", const="verify", dest="mode", + help="verify FILE against TARGET slot") + parser.add_option("-r", "--read", action="store_const", const="read", dest="mode", + help="read TARGET slot, write to FILE") + parser.add_option("-t", "--target", type="choice", choices=("fpga", "s/w"), default="s/w", + help="select TARGET slot from: fpga, s/w [default=%default]") + parser.add_option("", "--dev", default=None, + help="specify flash device file, e.g., /dev/sdb. Be careful!") + parser.set_defaults(target="s/w", mode=None) + + (options, args) = parser.parse_args() + if len(args) != 1: + parser.print_help() + raise SystemExit + + filename = args[0] + + if options.mode is None: + sys.stderr.write("specify mode with -w, -v or -r\n") + parser.print_help() + raise SystemExit + + if options.dev is None: + sys.stderr.write("specify the device file with --dev\n") + parser.print_help() + raise SystemExit + + offset = { "fpga" : FPGA_OFFSET, "s/w" : FIRMWARE_OFFSET }[options.target] + + if options.mode == "write": + r = (write_flash(offset, filename, options.dev) + and verify_flash(offset, filename, options.dev)) + elif options.mode == "verify": + r = verify_flash(offset, filename, options.dev) + elif options.mode == "read": + r = read_flash(offset, filename, options.dev) + else: + raise NotImplemented + + if not r: + raise SystemExit, 1 + + +if __name__ == "__main__": + main() + + + + + |