General Chipset Configuration
6.1.3
HDD—Intel® HD Audio Description
Address Offset:
Default Value:
0010h
see description
Attribute:
Size:
RO
32 bits
Default
Bits
and
Description
Access
Fh
RO
Target Port Number (PN): This field indicates the target port number is
15 (Intel® HD Audio).
31:24
23:16
Target Component ID (TCID): This field returns the value of the
ESD.CID field programmed by platform BIOS, since the root port is in the
same component as the Root Complex Register Blocks (RCRB).
Init
RO
0
RO
15:2
Reserved
1
RO
1
0
Link Type (LT): This bit indicates that the link points to a root port.
Link Valid (LV): Link is always valid.
1
RO
6.1.4
HDBA—Intel® HD Audio Base Address
Address Offset:
Default Value:
0018h
Attribute:
RO
64 bits
00000000 000D8000h Size:
Default
Bits
and
Description
Access
0h
RO
63:32
31:28
27:20
19:15
14:12
11:00
Config Space Base Address Upper (CBAU): Reserved
Config Space Base Address Lower (CBAL): Reserved
Bus Number (BN): Indicates Intel® HD Audio is on Bus 0
Device Number (DN): Indicates Intel HD Audio is in Device 27
Function Number (FN): Indicates Intel HD Audio is in Function 0
Reserved
0h
RO
0h
RO
1Bh
RO
0h
RO
0
RO
Datasheet
73
INTEL [ INTEL ]
