tools: add b43-tools

[openwrt/svn-archive/archive.git] / tools / b43-tools / files / b43-fwsquash.py

diff --git a/tools/b43-tools/files/b43-fwsquash.py b/tools/b43-tools/files/b43-fwsquash.py
new file mode 100755 (executable)
index 0000000..cd88181
--- /dev/null
+++ b/tools/b43-tools/files/b43-fwsquash.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+#
+# b43 firmware file squasher
+# Removes unnecessary firmware files
+#
+# Copyright (c) 2009 Michael Buesch <mb@bu3sch.de>
+#
+# Licensed under the GNU/GPL version 2 or (at your option) any later version.
+#
+
+import sys
+import os
+
+def usage():
+       print("Usage: %s PHYTYPES COREREVS /path/to/extracted/firmware" % sys.argv[0])
+       print("")
+       print("PHYTYPES is a comma separated list of:")
+       print("A         => A-PHY")
+       print("AG        => Dual A-PHY G-PHY")
+       print("G         => G-PHY")
+       print("LP        => LP-PHY")
+       print("N         => N-PHY")
+       print("HT        => HT-PHY")
+       print("LCN       => LCN-PHY")
+       print("")
+       print("COREREVS is a comma separated list of core revision numbers.")
+
+if len(sys.argv) != 4:
+       usage()
+       sys.exit(1)
+
+phytypes = sys.argv[1]
+corerevs = sys.argv[2]
+fwpath = sys.argv[3]
+
+phytypes = phytypes.split(',')
+try:
+       corerevs = map(lambda r: int(r), corerevs.split(','))
+except ValueError:
+       print("ERROR: \"%s\" is not a valid COREREVS string\n" % corerevs)
+       usage()
+       sys.exit(1)
+
+
+fwfiles = os.listdir(fwpath)
+fwfiles = filter(lambda str: str.endswith(".fw"), fwfiles)
+if not fwfiles:
+       print("ERROR: No firmware files found in %s" % fwpath)
+       sys.exit(1)
+
+required_fwfiles = []
+
+def revs_match(revs_a, revs_b):
+       for rev in revs_a:
+               if rev in revs_b:
+                       return True
+       return False
+
+def phytypes_match(types_a, types_b):
+       for type in types_a:
+               type = type.strip().upper()
+               if type in types_b:
+                       return True
+       return False
+
+revmapping = {
+       "ucode2.fw"             : (2,3,),
+       "ucode4.fw"             : (4,),
+       "ucode5.fw"             : (5,6,7,8,9,10,),
+       "ucode11.fw"            : (11,12,),
+       "ucode13.fw"            : (13,),
+       "ucode14.fw"            : (14,),
+       "ucode15.fw"            : (15,),
+       "ucode16_mimo.fw"       : (16,),
+       "ucode24_mimo.fw"       : (24,),
+       "ucode29_mimo.fw"       : (29,),
+       "pcm4.fw"               : (1,2,3,4,),
+       "pcm5.fw"               : (5,6,7,8,9,10,),
+}
+
+initvalmapping = {
+       "a0g1initvals5.fw"      : ( (5,6,7,8,9,10,),    ("AG",), ),
+       "a0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("A", "AG",), ),
+       "b0g0initvals2.fw"      : ( (2,4,),             ("G",), ),
+       "b0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("G",), ),
+       "b0g0initvals13.fw"     : ( (13,),              ("G",), ),
+       "n0initvals11.fw"       : ( (11,12,),           ("N",), ),
+       "n0initvals16.fw"       : ( (16,),              ("N",), ),
+       "lp0initvals13.fw"      : ( (13,),              ("LP",), ),
+       "lp0initvals14.fw"      : ( (14,),              ("LP",), ),
+       "lp0initvals15.fw"      : ( (15,),              ("LP",), ),
+       "lcn0initvals24.fw"     : ( (24,),              ("LCN",), ),
+       "ht0initvals29.fw"      : ( (29,),              ("HT",), ),
+       "a0g1bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("AG",), ),
+       "a0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("A", "AG"), ),
+       "b0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("G",), ),
+       "n0bsinitvals11.fw"     : ( (11,12,),           ("N",), ),
+       "n0bsinitvals16.fw"     : ( (16,),              ("N",), ),
+       "lp0bsinitvals13.fw"    : ( (13,),              ("LP",), ),
+       "lp0bsinitvals14.fw"    : ( (14,),              ("LP",), ),
+       "lp0bsinitvals15.fw"    : ( (15,),              ("LP",), ),
+       "lcn0bsinitvals24.fw"   : ( (24,),              ("LCN",), ),
+       "ht0bsinitvals29.fw"    : ( (29,),              ("HT",), ),
+}
+
+for f in fwfiles:
+       if f in revmapping:
+               if revs_match(corerevs, revmapping[f]):
+                       required_fwfiles += [f]
+               continue
+       if f in initvalmapping:
+               if revs_match(corerevs, initvalmapping[f][0]) and\
+                  phytypes_match(phytypes, initvalmapping[f][1]):
+                       required_fwfiles += [f]
+               continue
+       print("WARNING: Firmware file %s not found in the mapping lists" % f)
+
+for f in fwfiles:
+       if f not in required_fwfiles:
+               print("Deleting %s" % f)
+               os.unlink(fwpath + '/' + f)
+