HP A2Y15AV User Manual

Datasheet, Volume 2

295

Processor Configuration Registers

2.18.32 VTPOLICY—DMA Remap Engine Policy Control Register

This register contains all the policy bits related to the DMA remap engine.

B/D/F/Type:

0/0/0/GFXVTBAR

Address Offset:

FF0–FF3h

Reset Value:

00000000h

Access:

RW-L, RO, RO-KFW, RW-KL

Size:

32 bits

BIOS Optimal Default

0000h

Bit

Access

Reset

Value

RST/

PWR

Description

RW-KL

Uncore

DMA Remap Engine Policy Lock-Down (DMAR_LCKDN)
This register bit protects all the DMA remap engine specific policy

configuration registers. Once this bit is set by software all the

DMA remap engine registers within the range F00h to FFCh will

be read-only. This bit can only be clear through platform reset.

30:0

Reserved (RSVD)