CS5535 datasheet(212/555 Pages) NSC

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212

Revision 0.8

GLIU Register Descriptions (Continued)

GLIU_IOD_SC Bit Descriptions

Bit

Name

Description

63:61

IDID_SC

I/O Descriptor Destination ID. Encoded port number of the destination of addresses

which produce a hit based on the other fields in this descriptor.

000: Port 0 (GLIU)

100: Port 4 (DD)

001: Port 1 (GLPCI_SB)

101: Port 5 (ACC)

010: Port 2 (USBC2)

110: Port 6 (USBC1)

011: Port 3 (ATAC)

111: Port 7 (GLCP)

ICMP_BIZ_SC

Compare BIZZARO Flag. Used to check that the BIZZARO flag of the request is equal

to the PICMP_BIZ_SC bit (this bit). If a match does not occur, then the incoming request

cannot generate a hit. The BIZZARO flag, if set in the incoming request, signifies a “spe-

cial’ cycle such as a PCI Shutdown or Halt.

59:32

RSVD

Reserved. Write as read.

31:24

EN_SC

Enable for Hits to IDID_SC else SUBP.

bit 0, if set, hit on I/O Address Base plus 0.

bit 1, if set, hit on I/O Address Base plus 1.

bit 7, if set, hit on I/O Address Base plus 7.

WEN_SC

Descriptor Hits IDID_SC on Write Request Types else SUBP. If set, causes the

incoming request to be routed to the port specified in IDID_SC if the incoming request is

a WRITE type.

REN_SC

Descriptors Hit IDID_SC on Read Request Types else SUBP. If set, causes the

incoming request to be routed to the port specified in IDID_SC if the incoming request is

a READ type.

19:0

IBASE_SC

I/O Address Base. This field forms the basis of comparison with the incoming checks

that the physical address supplied by the device’s request on address bits [31:18] are

equal to the PBASE field of descriptor register bits [13:0]

2:0

RSVD

Reserved. Write as read.

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