31:22

0h

RO

Reserved

21

0x0

RW

Hae Field (HAE)

Hardware Autonomous Enable: If 1, then hardware may request power gating whenever it has reached an idle condition.

20

0h

RO

Reserved

19

0x0

RW

Sleep Enable Field (SLEEP_​EN)

SE: Sleep Enable:1 = The function may assert Sleep during power gating.0 =The function will never asset Sleep to the retention flops.Note that some platforms may default this bit to 0, others to 1.

18

0x0

RW

D3 Hen Field (D3HEN)

If 1, then function will power gate when idle and the PMCSR [1:0] register in the function = b11 (D3).

17

0x0

RW

Device Idle En Field (DEVIDLEN)

If 1, then the function will power gate when idle and the DevIdle register (DevIdleC [2] = 1) is set.

16

0x0

RW

Pmc Request Enable Field (PMCRE)

If this bit is set to 1, the function will power gate when idle and pmc_​(ip)_​sw_​pg_​req_​b =0.

15:13

0h

RO

Reserved

12:10

0x0

RW/O

Power Latency Scale Field (POW_​LAT_​SCALE)

Power On Latency Scale

9:0

0x0

RW/O

Power Latency Value Field (POW_​LAT_​VALUE)

Power On Latency value