Datasheet

Chipset Configuration Registers
Intel® Xeon® Processor D-1500 Product Family 191
Datasheet - Volume 1 of 4: Integrated Platform Controller Hub
March 2015
5 Chipset Configuration Registers
This section describes all registers and base functionality that is related to chipset
configuration and not a specific interface (such as LPC, USB, or PCI Express*). It
contains the root complex register block that describes the behavior of the upstream
internal link.
This block is mapped into memory space, using the Root Complex Base Address (RCBA)
register of the PCI-to-LPC bridge. Accesses in this space must be limited to 32 bit (DW)
quantities. Burst accesses are not allowed.
5.1 Chipset Configuration Registers (Memory Space)
Note: Address locations that are not shown should be treated as Reserved (see Section 4.2
for details).
Table 5-1. Chipset Configuration Register Memory Map (Memory Space) (Sheet 1 of 2)
Offset Mnemonic Register Name Default Attribute
0400h–0403 RPC Root Port Configuration 0000000yh R/W, RO
0404h–0407h RPFN Root Port Function Number and Hide for PCI
Express Root Ports
76543210h R/W, R/WO
0408h–040Bh FLRSTAT Function Level Reset Pending Status
Summary
00000000h RO/V
1E00h–1E03h TRSR Trap Status 00000000h R/WC, RO
1E10h–1E17h TRCR Trapped Cycle 0000000000000000h RO
1E18h–1E1Fh TWDR Trapped Write Data 0000000000000000h RO
1E80h–1E87h IOTR0 I/O Trap Register 0 0000000000000000h R/W
1E88h–1E8Fh IOTR1 I/O Trap Register 1 0000000000000000h R/W
1E90h–1E97h IOTR2 I/O Trap Register 2 0000000000000000h R/W
1E98h–1E9Fh IOTR3 I/O Trap Register 3 0000000000000000h R/W
2014h–2017h V0CTL Virtual Channel 0 Resource Control 80000010h R/WL, RO
201Ah–201Bh V0STS Virtual Channel 0 Resource Status 0000h RO
2020h–2023h V1CTL Virtual Channel 1 Resource Control 00000000h R/W, RO, R/
WL
2026h–2027h V1STS Virtual Channel 1 Resource Status 0000h RO
20ACh–20AFh REC Root Error Command 0000h R/W
3000h TCTL TCO Configuration 00h R/W
3100h–3103h D31IP Device 31 Interrupt Pin 03243200h R/W, RO
3104h–3107h D30IP Device 30 Interrupt Pin 00000000h RO
3108h–310Bh D29IP Device 29 Interrupt Pin 10004321h R/W
310Ch–310Fh D28IP Device 28 Interrupt Pin 00214321h R/W
3110h–3113h D27IP Device 27 Interrupt Pin 00000001h R/W
3114h–3117h D26IP Device 26 Interrupt Pin 30000321h R/W
3118h–311Bh D25IP Device 25 Interrupt Pin 00000001h R/W
3124h–3127h D22IP Device 22 Interrupt Pin 00004321h R/W
3128h–312Bh D20IP Device 20 Interrupt Pin 00000021h R/W