diff options
Diffstat (limited to 'firmware/fx2/utils')
| -rwxr-xr-x | firmware/fx2/utils/build_eeprom.py | 112 | ||||
| -rwxr-xr-x | firmware/fx2/utils/edit-gpif.py | 114 | ||||
| -rwxr-xr-x | firmware/fx2/utils/generate_regs.py | 57 |
3 files changed, 283 insertions, 0 deletions
diff --git a/firmware/fx2/utils/build_eeprom.py b/firmware/fx2/utils/build_eeprom.py new file mode 100755 index 000000000..298ccc00c --- /dev/null +++ b/firmware/fx2/utils/build_eeprom.py @@ -0,0 +1,112 @@ +#!/usr/bin/env python +# +# Copyright 2004,2006 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +import re +import sys +import os, os.path +from optparse import OptionParser + +# USB Vendor and Product ID's + +VID = 0xfffe # Free Software Folks + + +def msb (x): + return (x >> 8) & 0xff + +def lsb (x): + return x & 0xff + +def build_eeprom_image (filename, rev): + """Build a ``C2 Load'' EEPROM image. + + For details on this format, see section 3.4.3 of + the EZ-USB FX2 Technical Reference Manual + """ + # get the code we want to run + f = open(filename, 'rb') + bytes = f.read() + + devid = 4 #for compatibility + start_addr = 0 #prove me wrong + + if(rev == 1): + PID = 0x0002 #USRP1 + else: + PID = 0x0003 #USRP1P + + rom_header = [ + 0xC2, # boot from EEPROM + lsb (VID), + msb (VID), + lsb (PID), + msb (PID), + lsb (devid), + msb (devid), + 0 # configuration byte + ] + + # 4 byte header that indicates where to load + # the immediately follow code bytes. + code_header = [ + msb (len (bytes)), + lsb (len (bytes)), + msb (start_addr), + lsb (start_addr) + ] + + # writes 0 to CPUCS reg (brings FX2 out of reset) + trailer = [ + 0x80, + 0x01, + 0xe6, + 0x00, + 0x00 + ] + + image = rom_header + code_header + [ord(c) for c in bytes] + trailer + + assert (len (image) <= 256) + return image + +if __name__ == '__main__': + usage = "usage: %prog -r REV [options] bootfile.bin outfile.bin" + parser = OptionParser (usage=usage) + parser.add_option ("-r", "--rev", type="int", default=-1, + help="Specify USRP revision, 1 for USRP1, 2 for USRP1P") + (options, args) = parser.parse_args () + if len (args) != 2: + parser.print_help () + sys.exit (1) + if options.rev < 0: + sys.stderr.write ( + "You must specify the USRP revision number (2 or 4) with -r REV\n") + sys.exit (1) + + infile = args[0] + outfile = args[1] + + image = "".join(chr(c) for c in build_eeprom_image(infile, options.rev)) + + f = open(outfile, 'wb') + f.write(str(image)) + f.close() diff --git a/firmware/fx2/utils/edit-gpif.py b/firmware/fx2/utils/edit-gpif.py new file mode 100755 index 000000000..5367b75a5 --- /dev/null +++ b/firmware/fx2/utils/edit-gpif.py @@ -0,0 +1,114 @@ +#!/usr/bin/env python +# -*- Python -*- +# +# Copyright 2003 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + + +# Edit the gpif.c file generated by the Cypress GPIF Designer Tool and +# produce usrp_gpif.c, and usrp_gpif_inline.h, files suitable for our +# uses. + +import re +import string +import sys + +def check_flow_state (line, flow_state_dict): + mo = re.match (r'/\* Wave (\d) FlowStates \*/ (.*),', line) + if mo: + wave = int (mo.group (1)) + data = mo.group (2) + split = data.split (',', 8) + v = map (lambda x : int (x, 16), split) + # print "%s, %s" % (wave, data) + # print "split: ", split + # print "v : ", v + flow_state_dict[wave] = v + + +def delta (xseq, yseq): + # set subtraction + z = [] + for x in xseq: + if x not in yseq: + z.append (x) + return z + + +def write_define (output, name, pairs): + output.write ('#define %s()\t\\\n' % name) + output.write ('do {\t\t\t\t\t\\\n') + for reg, val in pairs: + output.write ('%14s = 0x%02x;\t\t\t\\\n' % (reg, val)) + output.write ('} while (0)\n\n') + +def write_inlines (output, dict): + regs = ['FLOWSTATE', 'FLOWLOGIC', 'FLOWEQ0CTL', 'FLOWEQ1CTL', 'FLOWHOLDOFF', + 'FLOWSTB', 'FLOWSTBEDGE', 'FLOWSTBHPERIOD', 'GPIFHOLDAMOUNT'] + + READ_FLOW_STATE = 2 + WRITE_FLOW_STATE = 3 + + read_info = zip (regs, dict[READ_FLOW_STATE]) + write_info = zip (regs, dict[WRITE_FLOW_STATE]) + + output.write ('''/* + * Machine generated by "edit-gpif". Do not edit by hand. + */ + +''') + write_define (output, 'setup_flowstate_common', read_info) + write_define (output, 'setup_flowstate_read', delta (read_info, write_info)) + write_define (output, 'setup_flowstate_write', delta (write_info, read_info)) + + +def edit_gpif (input_name, output_name, inline_name): + input = open (input_name, 'r') + output = open (output_name, 'w') + inline = open (inline_name, 'w') + flow_state_dict = {} + + output.write ('''/* + * Machine generated by "edit-gpif". Do not edit by hand. + */ + +''') + + while 1: + line = input.readline () + line = string.replace (line, '\r','') + line = re.sub (r' *$', r'', line) + + check_flow_state (line, flow_state_dict) + + line = re.sub (r'#include', r'// #include', line) + line = re.sub (r'xdata ', r'', line) + if re.search (r'GpifInit', line): + break + + output.write (line) + + output.close () + write_inlines (inline, flow_state_dict) + inline.close () + + +# gpif.c usrp_gpif.c usrp_gpif_inline.h +edit_gpif (sys.argv[1], sys.argv[2], sys.argv[3]) diff --git a/firmware/fx2/utils/generate_regs.py b/firmware/fx2/utils/generate_regs.py new file mode 100755 index 000000000..656cd5e81 --- /dev/null +++ b/firmware/fx2/utils/generate_regs.py @@ -0,0 +1,57 @@ +#!/usr/bin/env python + +import os, os.path +import re +import sys + + +# set srcdir to the directory that contains Makefile.am +try: + srcdir = os.environ['srcdir'] +except KeyError, e: + srcdir = "." +srcdir = srcdir + '/' + +def open_src (name, mode): + global srcdir + return open (os.path.join (srcdir, name), mode) + + +def generate_fpga_regs (h_filename, v_filename): + const_width = 7 # bit width of constants + + h_file = open_src (h_filename, 'r') + v_file = open (v_filename, 'w') + v_file.write ( + '''// +// This file is machine generated from %s +// Do not edit by hand; your edits will be overwritten. +// +''' % (h_filename,)) + + pat = re.compile (r'^#define\s*(FR_\w*)\s*(\w*)(.*)$') + pat_bitno = re.compile (r'^#define\s*(bitno\w*)\s*(\w*)(.*)$') + pat_bm = re.compile (r'^#define\s*(bm\w*)\s*(\w*)(.*)$') + for line in h_file: + if re.match ('//|\s*$', line): # comment or blank line + v_file.write (line) + mo = pat.search (line) + mo_bitno =pat_bitno.search (line) + mo_bm =pat_bm.search (line) + if mo: + v_file.write ('`define %-25s %d\'d%s%s\n' % ( + mo.group (1), const_width, mo.group (2), mo.group (3))) + elif mo_bitno: + v_file.write ('`define %-25s %s%s\n' % ( + mo_bitno.group (1), mo_bitno.group (2), mo_bitno.group (3))) + elif mo_bm: + v_file.write ('`define %-25s %s%s\n' % ( + mo_bm.group (1), mo_bm.group (2), mo_bm.group (3))) + + +if __name__ == '__main__': + if len (sys.argv) != 3: + sys.stderr.write ('usage: %s file.h file.v\n' % (sys.argv[0])) + sys.exit (1) + generate_fpga_regs (sys.argv[1], sys.argv[2]) + |