PI7C9X110 Pericom Semiconductor Corporation, PI7C9X110 Datasheet - Page 126

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

7.6.9
7.6.10 RESERVED REGISTERS – OFFSET 03Ch TO 04Ch
7.6.11 LOOKUP TABLE OFFSET – OFFSET 050h
7.6.12 LOOKUP TABLE DATA – OFFSET 054h
Pericom Semiconductor
UPSTREAM MEMORY 3 UPPER 32-BIT SETUP REGISTER – OFFSET 038h
BIT
3
11:4
31:12
BIT
30:0
31
BIT
7:0
31:8
BIT
0
2:1
3
7:4
FUNCTION
Prefetchable Control
Reserved
Base Address Register Size
FUNCTION
Base Address Register Size
Base Address Register
Enable
FUNCTION
Lookup Table Offset
Reserved
FUNCTION
Valid
Reserved
Prefetchable
Reserved
TYPE
TYPE
TYPE
TYPE
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
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DESCRIPTION
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
Reset to 00000h
DESCRIPTION
0: Set the corresponding bit in the Upper 32-bit Base Address Register to
read only
1: Set the corresponding bit in the Upper 32-bit Base Address Register to
read/write in order to control the size of the address range
Reset to 00000000h
0: Disable 64-bit Base Address Register
1: Enable 64-bit Base Address Register
Reset to 0
DESCRIPTION
This register contains the byte offset of the Lookup Table Entry to be
accessed for upstream memory 2. The access is initiated when the lookup
Table Data Register is accessed. This register should be written first before
any Lookup Table Data access.
Reset to 00h
Reset to 0
DESCRIPTION
0: Invalid lookup
1: Valid lookup
Reset to 0
Reset to 00
0: Memory address is non-prefetchable
1: Memory address is
Reset to 0
Reset to 0h
May 2008, Revision 2.6
PCIe-to-PCI Reversible Bridge
PI7C9X110