gooftool: always process EC before BIOS (workaround for buggy EC)

gft_wpfw.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Google Factory Tool: Write Protection for Firmware
 
 This module enables or verifies that firmware write protection is properly
 activated.
@@ skipping 82 matching lines @@
   # correct, because sometimes the factory test is executed several
   # times without resetting WP status.
   if not flashrom.verify_write_protect(layout, 'ro'):
     if not (flashrom.enable_write_protect(layout, 'ro')
             and flashrom.verify_write_protect(layout, 'ro')):
       ErrorDie('wpfw: cannot enable write protection for ' + name)
   VerboseMsg(' - Check Write Protection for ' + name)
   flashrom.disable_write_protect()
   if not flashrom.verify_write_protect(layout, 'ro'):
     ErrorDie('wpfw: not write-protected (modifiable status): ' + name)
+
+  # Always restore the target to BIOS(spi). Some platforms may fail to reboot if
+  # target is EC(lpc).
+  if target != flashrom.TARGET_BIOS:
+    flashrom.select_target(flashrom.TARGET_BIOS)
   return True
 
 
 #############################################################################
 # Console main entry
 @gft_common.GFTConsole
 def _main():
   """ Main entry for console mode """
   if len(sys.argv) != 2:
     print 'Usage: %s target_code(bios/ec)\n' % sys.argv[0]
     sys.exit(1)
 
   gft_common.SetDebugLevel(True)
   gft_common.SetVerboseLevel(True)
   EnableWriteProtect(sys.argv[1])
 
 
 if __name__ == '__main__':
   _main()