Description

The ports below are not configurable from the GUI, what are the default values?

1. Port n Error and Status CSR Bit 29 (Idle Sequence) and Bit 30 (Idle Sequence 2 Enable)
2. Port n Control CSR bits 29-27 (Initialized Port Width), bits 26-24 (Port Width Override), bit 23 (Port Disable), bit 22 (Port enable), bit 21 (Input Port Enable), bit 20 (Error Checking Disable), bit 17 (Enumeration Boundary).
3. Lane n Status 0 CSR bit 3 ( Status 1 CSR Implemented)
4. Buffer Control CSR bit 15 ( Force RX Flow Control)

Solution

Default Values:

Port n Control CSR

•     bits 26-24 (Port Width Override)     : 0
•     bit 23 (Port Disable)                      : 0
•     bit 22 (Port enable)                       : 1
•     bit 21 (Input Port Enable)              : 1
•     bit 20 (Error Checking Disable)      : 0
•     bit 17 (Enumeration Boundary)      : 0

Buffer Control CSR

•     bit 15 (Force RX Flow Control)       : 1 if RX flow control is selected in GUI otherwise 0