Thres is a description 55.9 BP Memory Map and Control Register Definitions innreference manual.
However, it seems BP memory module don't exist as below description.
If there is no function in BP memory, could you remove this, because customer asked how to access these registers.
Table 55-5. Runnable Channel Selection Control
DO Write to DSPOVR register Write to DSPOVR register
188.8.131.52.5 Runnable Channels Evaluation
The functions associated with DO are not available for this device.