Configures the settings for escalating the priority of entries in the queue.
The escalation_control_now register characteristics are:
- Usage constraints
Can be read from when in ALL states. Cannot be written to and only updated when in CONFIG, LOW-POWER or PAUSED states.
There is only one DMC configuration.
The following figure shows the bit assignments.
Figure 3-196 escalation_control_now register bit assignments
The following shows the bit assignments.
- [31:20] Reserved_3
- [19:16] read_backlog_suppression_now
Configures the number of completed reads (as a proportion in 16ths of the queue depth) at which to stop arbitrating more reads until the system drains the fetched read data. Zero disables this feature. The supported range for this bitfield is 0-15.
- [15:12] Reserved_2
- [11:8] escalation_count_now
Program the number of escalation prescaler periods between applying escalation. Zero disables priority escalation in the queue. The supported range for this bitfield is 0-15.
- [7:2] Reserved_1
- [1:0] escalation_prescalar_now
Escalation counter prescaler.