TMPR4937 datasheet(290/552 Pages) TOSHIBA

290 / 552 page

Chapter 10 PCI Controller

10-32

10.4.5 P2G Memory Space 0 PCI Lower Base Address Register (P2GM0PLBASE) 0xD010

This register corresponds to the Memory Space 0 Lower Base Address Register at offset address 0x10

of the PCI Configuration Space.

This register cannot be accessed when the PCI Controller is in the Satellite mode.

BA[31:29]

Reserved

R/W

: Type

0x00

: Initial value

Reserved

TYPE

MSI

: Type

: Initial value

Bit

Mnemonic

Field Name

Description

Read/Write

31:29

BA[31:29]

Base Address

Base Address (Default: 0x00)

Sets the lower address of the PCI base address in Target Access Memory

Space 0. The size of Memory Space 0 is fixed at 512 MB.

R/W

28:4

Reserved

⎯

Prefetchable

Prefetchable (Fixed Value: 1)

1: Indicates that memory is prefetchable.

2:1

TYPE

Type

Type (Default: 00)

00: Indicades that an address is within a 32-bit address region.

MSI

Memory Space

Memory Space Indicator (Fixed Value: 0)

0: Indicates that this Base Address Register is for use by the PCI Memory

Space.

Figure 10.4.5 P2G Memory Space 0 PCI Lower Base Address Register

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