+# Bits[31:28]: Version (here: 0x3)
+# JTAG-DP: 0x3, SW-DP: 0x2
+# Bits[27:12]: Part number (here: 0xba00)
+# JTAG-DP: 0xba00, SW-DP: 0xba10
+# Bits[11:1]: JEDEC (JEP-106) manufacturer ID (here: 0x23b)
+# Bits[11:8]: Continuation code ('ARM Limited': 0x04)
+# Bits[7:1]: Identity code ('ARM Limited': 0x3b)
+# Bits[0:0]: Reserved (here: 0x1)
+def decode_device_id_code(bits):
+ id_hex = '0x%x' % int('0b' + bits, 2)
+ ver = '0x%x' % int('0b' + bits[-32:-28], 2)
+ part = '0x%x' % int('0b' + bits[-28:-12], 2)
+ manuf = '0x%x' % int('0b' + bits[-12:-1], 2)
+ res = '0x%x' % int('0b' + bits[-1], 2)
+ return (id_hex, ver, part, manuf, res)
+