PI7C9X110 Pericom Semiconductor Corporation, PI7C9X110 Datasheet - Page 106

• Manufacturer Part Number: PI7C9X110
• Description: Pcie-to-pci Reversible Bridge
• Manufacturer: Pericom Semiconductor Corporation

7.5.73 DOWSTREAM I/O OR MEMORY 1 SETUP REGISTER – OFFSET ACh
7.5.74 PCI EXPRESS CAPABILITY ID REGISTER – OFFSET B0h
7.5.75 NEXT CAPABILITY POINTER REGISTER – OFFSET B0h
7.5.76 PCI EXPRESS CAPABILITY REGISTER – OFFSET B0h
Pericom Semiconductor
BIT
0
2:1
3
5:4
30:6
31
BIT
7:0
BIT
15:8
BIT
19:16
23:20
24
29:25
31:30
FUNCTION
Type Selector
Address Type
Prefetchable Control
Reserved
Base Address Register Size
Base Address Register
Enable
FUNCTION
PCI Express Capability ID
FUNCTION
Next Item Pointer
FUNCTION
Capability Version
Device / Port Type
Slot Implemented
Interrupt Message Number
Reserved
TYPE
TYPE
TYPE
TYPE
(WS)
(WS)
(WS)
(WS)
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
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DESCRIPTION
0: Memory space is requested
Reset to 0
00: 32-bit address space
01: 64-bit address space
Reset to 00
0: Non-prefetchable
1: Prefetchable
Reset to 0
Reset to 00
0: Set the corresponding bit in the Base Address Register to read only.
1: Set the corresponding bit in the Base Address Register to read/write in
order to control the size of the address range. If memory space is selected,
bit [11:6] should be set to zeros.
Reset to 00000000h
0: Disable this Base Address Register
1: Enable this Base Address Register
Reset to 0
DESCRIPTION
PCI Express capability ID
Reset to 10h
DESCRIPTION
Next item pointer (points to VPD register)
Reset to D8h
DESCRIPTION
Reset to 1h
0000: PCI Express endpoint device
0001: Legacy PCI Express endpoint device
0100: Root port of PCI Express root complex
0101: Upstream port of PCI Express switch
0110: Downstream port of PCI Express switch
0111: PCI Express to PCI bridge
1000: PCI to PCI Express bridge
Others: Reserved
Reset to 7h for Forward Bridge or 8h for Reverse Bridge
Reset to 0 for Forward Bridge or 1 for Reverse Bridge
Reset to 0h
Reset to 0
May 2008, Revision 2.6
PCIe-to-PCI Reversible Bridge
PI7C9X110