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1141

Complete List of Configuration, Control, and Status Registers

MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1

A-14 Freescale Semiconductor

A.19 PCI Express Controller

Table A-20. PCI Express Controller Registers

PCI Express—Block Base Address 0x0_9000

Offset Register Access Reset Section/Page

PCI Express Controller Registers

PCI Express Core Configuration Header Registers

0x000 PCI Express Vendor ID Register R 0x1957 14.4.1.1/14-15

0x002 PCI Express Device ID Register R Device-specific 14.4.1.2/14-15

0x004 PCI Express Command Register Mixed 0x0000 14.4.1.3/14-15

0x006 PCI Express Status Register Mixed 0x0010 14.4.1.4/14-17

0x008 PCI Express Revision ID Register R Revision-specific 14.4.1.5/14-18

0x009 PCI Express Class Code Register Mixed 0x0B20 14.4.1.6/14-18

0x00C PCI Express Cache Line Size Register R/W 0x00 14.4.1.7/14-19

0x00D PCI Express Latency Timer Register R 0x00 14.4.1.8/14-19

0x00E PCI Express Header Type Register R 0x00 (EP mode)

0x01 (RC mode)

14.4.1.9/14-20

0x00F PCI Express BIST Register R 0x00 14.4.1.10/14-21

0x010–

0x014

Base Address Registers 0 and 1 (BAR0/BAR1) (EP mode only) Mixed 0x0008 14.4.2.1.1/14-22

0x018–

0x020

Base Address Registers 2 and 4 (BAR2/BAR4) (EP mode only) Mixed 0x0000_000C 14.4.2.1.2/14-23

0x01C–

0x024

Base Address Registers 3 and 5 (BAR3/BAR5) (EP mode only) R/W 0x0000_0000 14.4.2.1.3/14-23

0x02C PCI Express Subsystem Vendor ID Register (EP mode only) Special 0x0000 14.4.2.2/14-24

0x02E PCI Express Subsystem ID Register (EP mode only) Special 0x0000 14.4.2.3/14-24

0x034 PCI Express Capabilities Pointer Register R 0x0044 14.4.2.4/14-25

0x03C PCI Express Interrupt Line Register (EP mode only) R/W 0x0000 14.4.2.5/14-25

0x03D Reserved — — —

0x03E PCI Express Minimum Grant Register (EP mode only) R 0x0000 14.4.2.6/14-26

0x03F PCI Express Maximum Latency Register (EP mode only) R 0x0000 14.4.2.7/14-26

0x018 PCI Express Primary Bus Number Register (RC mode only) R/W 0x0000 14.4.3.1/14-27

0x019 PCI Express Secondary Bus Number Register (RC mode only) R/W 0x0000 14.4.3.2/14-28

0x01A PCI Express Subordinate Bus Number Register (RC mode only) R/W 0x0000 14.4.3.3/14-28

0x01B Secondary Latency Timer Register 2 (RC mode only) R 0x0000 14.4.3.4/14-28

0x01C PCI Express I/O Base Register (RC mode only) R 0x0000 14.4.3.5/14-29

0x01D PCI Express I/O Limit Register (RC mode only) R 0x0000 14.4.3.6/14-29

0x01E PCI Express Secondary Status Register (RC mode only) Mixed 0x0000 14.4.3.7/14-30

0x020 PCI Express Memory Base Register (RC mode only)

R/W 0x0000 14.4.3.8/14-30