u32 N PHY Calibration Sanity

• Define Sign Extension (6 to 8 bit) of x as -(x & 0x20) + (x & 0x1f)

• Clear 2 u16 bitmasks
• Sign Extend the contents of PHY Register 0x1C6
• If the result is greater than 9 or less then -9
  1. Warn that NB-RSSI offset is too large for core 0, I rail

  2. Set bit 1 << 0 in bitmask 1

• Sign Extend the contents of PHY Register 0x1AC
• If the result is greater than 9 or less then -9
  1. Warn that NB-RSSI offset is too large for core 0, Q rail

  2. Set bit 1 << 1 in bitmask 1

• Sign Extend the contents of PHY Register 0x1B2
• If the result is greater than 9 or less then -9
  1. Warn that NB-RSSI offset is too large for core 1, I rail

  2. Set bit 1 << 0 in bitmask 2

• Sign Extend the contents of PHY Register 0x1B8
• If the result is greater than 9 or less then -9
  1. Warn that NB-RSSI offset is too large for core 1, Q rail

  2. Set bit 1 << 1 in bitmask 2

• Sign Extend the contents of PHY Register 0x1A4
• If the result is greater than 9 or less then -9
  1. Warn that W1-RSSI offset is too large for core 0, I rail

  2. Set bit 1 << 2 in bitmask 1

• Sign Extend the contents of PHY Register 0x1AA
• If the result is greater than 9 or less then -9
  1. Warn that W1-RSSI offset is too large for core 0, Q rail

  2. Set bit 1 << 3 in bitmask 1

• Sign Extend the contents of PHY Register 0x1B0
• If the result is greater than 9 or less then -9
  1. Warn that W1-RSSI offset is too large for core 1, I rail

  2. Set bit 1 << 2 in bitmask 2

• Sign Extend the contents of PHY Register 0x1B6
• If the result is greater than 9 or less then -9
  1. Warn that W1-RSSI offset is too large for core 1, Q rail

  2. Set bit 1 << 3 in bitmask 2

• Sign Extend the contents of PHY Register 0x1A5
• If the result is greater than 9 or less then -9
  1. Warn that W2-RSSI offset is too large for core 0, I rail

  2. Set bit 1 << 4 in bitmask 1

• Sign Extend the contents of PHY Register 0x1AB
• If the result is greater than 9 or less then -9
  1. Warn that W2-RSSI offset is too large for core 0, Q rail

  2. Set bit 1 << 5 in bitmask 1

• Sign Extend the contents of PHY Register 0x1B1
• If the result is greater than 9 or less then -9
  1. Warn that W2-RSSI offset is too large for core 1, I rail

  2. Set bit 1 << 4 in bitmask 2

• Sign Extend the contents of PHY Register 0x1B7
• If the result is greater than 9 or less then -9
  1. Warn that W2-RSSI offset is too large for core 1, Q rail

  2. Set bit 1 << 5 in bitmask 2

• If bitmask 1 or bitmask 2 are not zero
  1. Warn that the chip or board may be broken

• Return bitmask 2 << 16 OR bitmask 1