diff options
Diffstat (limited to 'firmware/microblaze/bin/uart_ihex_flash_loader.py')
| -rwxr-xr-x | firmware/microblaze/bin/uart_ihex_flash_loader.py | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/firmware/microblaze/bin/uart_ihex_flash_loader.py b/firmware/microblaze/bin/uart_ihex_flash_loader.py deleted file mode 100755 index 5a3300f34..000000000 --- a/firmware/microblaze/bin/uart_ihex_flash_loader.py +++ /dev/null @@ -1,138 +0,0 @@ -#!/usr/bin/python - -import serial -from optparse import OptionParser -import os, sys - -#TODO: pull everything but parser out of main() and put it in a separate function we can call from another script. lets us automate loading RAM+FLASH to produce a fully-loaded image. -#TODO: make it fail gracefully -- if it gets a NOK or times out, do at least one retry. -#TODO: put hooks in (eventually) to allow verifying a firmware image so the user can more safely update the "safe" image -#TODO: how about a progress indicator? FPGA images take FOREVER. you can use wc -l to get the number of lines, or do it with file i/o. - -def main(): - usage="%prog: [options] filename" - parser = OptionParser(usage=usage) - parser.add_option("-t", "--tty", type="string", default="/dev/ttyUSB0", - help="select serial port [default=%default]") - parser.add_option("-b", "--baudrate", type=int, default=115200, - help="set baudrate [default=%default]") - parser.add_option("-F", "--write-safe-firmware", action="store_const", const=1, dest="image", - help="write to safe firmware image") - parser.add_option("-f", "--write-production-firmware", action="store_const", const=2, dest="image", - help="write to production firmware image") - parser.add_option("-P", "--write-safe-fpga", action="store_const", const=3, dest="image", - help="write to safe FPGA image") - parser.add_option("-p", "--write-production-fpga", action="store_const", const=4, dest="image", - help="write to production FPGA image") - - (options, args) = parser.parse_args() - - if(options.image is None): - print("At least one of -f, -F, -p, -P must be specified.\n") - parser.print_help() - raise SystemExit(1) - - if len(args) != 1: - parser.print_help() - raise SystemExit(1) - - if(options.image == 3): - print "Are you *really* sure you want to write to the failsafe FPGA image? If you mess this up your USRP2+ will become a brick. Press 'y' to continue, any other key to abort." - if(raw_input().rstrip() is not "y"): - print "Good choice." - raise SystemExit(0) - - elif(options.image == 1): - print "Are you *really* sure you want to write to the failsafe firmware image? If you mess this up your USRP2+ will only be able to be reprogrammed via the UART RAM loader.\nPress 'y' to continue, any other key to abort." - if(raw_input().rstrip() is not "y"): - print "Good choice." - raise SystemExit(0) - - filename = args[0] - f = open(filename, "r") - - #now we start doing things... - if(os.path.exists(options.tty) is False): - sys.stderr.write("No serial port found at %s\n" % options.tty) - raise SystemExit(1) - - try: - ser = serial.Serial(port=options.tty, timeout=1, baudrate=options.baudrate, bytesize=8, parity=serial.PARITY_NONE, stopbits=1, rtscts=0, xonxoff=0) - except serial.SerialException: - sys.stderr.write("Unable to open serial port\n") - raise SystemExit(1) - - ser.open() - -#test to see if a valid USRP2+ in flash load mode is connected - ser.write("garbage\n") - ser.readline() - ser.write("!SECTORSIZE\n") - reply = ser.readline().rstrip() - if("NOK" in reply): - sys.stderr.write("Error writing to USRP2+. Try again.\n") - raise SystemExit(1) - elif("OK" in reply): - sectorsize = int(reply[3:5], 16) - print("USRP2+ found with sector size %i. Erasing old image." % 2**sectorsize) - else: - sys.stderr.write("Invalid response or no USRP2+ connected.\n") - raise SystemExit(1) - - if(options.image == 1): - sectors = range(127, 128) - runcmd = "!RUNSFD\n" - elif(options.image == 2): - sectors = range(64, 65) - runcmd = "!RUNPFD\n" - elif(options.image == 3): - sectors = range(0,32) - runcmd = "!RUNSFPGA\n" - elif(options.image == 4): - sectors = range(32,64) - runcmd = "!RUNPFPGA\n" - - writeaddr = sectors[0] << sectorsize - if(options.image < 3): - writeaddr -= 0x8000 #i know this is awkward, but we subtract 0x8000 from the address for firmware loads. the reason we do this is that the IHX files are located at 0x8000 (RAM_BASE), and - #doing this here allows us to use the same IHX files for RAM load as for Flash load, without relocating in objcopy or relinking with another ld script. - #this limits us to writing above 32K for our firmware images. since the safe FPGA image located at 0x00000000 takes up 2MB of space this isn't really a worry. - #FPGA images (.mcs) always start at 0x00000000 so they don't need this relocation. - - for sector in sectors: - print "Erasing sector %i" % sector - ser.write("!ERASE %i\n" % sector) - reply = ser.readline() - if("NOK" in reply): - sys.stderr.write("Error erasing sector %i" % sector) - raise SystemExit(1) - - print "Setting start address to %i" % writeaddr - ser.write("!SETADDR %i\n" % writeaddr) - if("NOK" in reply): - sys.stderr.write("Error setting address\n") - raise SystemExit(1) - else: - print reply - - - for line in f: - ser.write(line.rstrip()+'\n') - reply = ser.readline() - if("NOK" in reply): #TODO: simplify this logic, use (reply.rstrip() is "NOK") - print("Received NOK reply during data write") - raise SystemExit(1) - elif("DONE" in reply): - print("Finished writing program. Loading...\n") - ser.write(runcmd) - elif("OK" not in reply): - print("Received invalid reply %s during data write" % reply) - raise SystemExit(1) - else: - print reply.rstrip() + '\t' + line.rstrip() - - print ser.readline() - - -if __name__ == '__main__': - main() |