LPGBT Fusing

lpGBT configuration file:

Make sure to update the USER ID register:

|-------+------+---------------+--------------------------------------|
| Range | Bits | Meaning       | Description                          |
|-------+------+---------------+--------------------------------------|
|  15:0 |   16 | Serial Number | Board serial number                  |
| 31:29 |    3 | Version Major | Major version of RB (e.g. 1 in v1.6) |
| 28:25 |    4 | Version Minor | Major version of RB (e.g. 6 in v1.6) |
| 24:23 |    2 | LPGBT Version | 0x0 = v0; 0x1 = v1                   |
| 22:19 |    4 | Board Flavor  | 0x0 = 3 module; 0x1 =                |
|-------+------+---------------+--------------------------------------|

def user_id (serial, major, minor, lpgbt, flavor):
  data = 0
  data |= serial & 0xffff
  data |= (major & 0x7) << 29
  data |= (minor & 0xf) << 25
  data |= (lpgbt & 0x3) << 23
  data |= (flavor & 0xf) << 19
  return data

def params (userid):
  serial = userid & 0xffff
  major  = (userid >> 29) & 0x7
  minor  = (userid >> 25) & 0xf
  lpgbt  = (userid >> 23) & 0x3
  flavor = (userid >> 19) & 0xf

  return serial, major, minor, lpgbt, flavor