Ahb-To-Pci Dma Ahb Address Register 1; Ahb-To-Pci Dma Pci Address Register 1 - Intel IXP45X Developer's Manual

®
PCI Controller—Intel IXP45X and Intel
10.5.3.20

AHB-to-PCI DMA AHB Address Register 1

Register Name:
Block
0xC00000
Base Address:
Source address on the AHB bus for AHB-to-PCI DMA transfers.
Paired with pci_atpdma0_ahbaddr to allow buffering of DMA
Register Description:
transfer requests.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Register
Bits Name
31:2 address AHB word address
1:0 Lower AHB address bits hard-wired to zero.
10.5.3.21

AHB-to-PCI DMA PCI Address Register 1

Register Name:
Block
0xC00000
Base Address:
Destination address on the PCI bus for AHB-to-PCI DMA transfers.
Paired with pci_atpdma0_pciaddr to allow buffering of DMA
Register Description:
transfer requests.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Register
Bits Name
31:2 address PCI word address
1:0 Lower PCI address bits hard-wired to zero.
August 2006
Order Number: 306262-004US
®
IXP46X Product Line of Network Processors
pci_atpdma1_ahbaddr
Offset Address
address
pci_atpdma1_ahbaddr
Description
pci_atpdma1_pciaddr
Offset Address
address
pci_atpdma1_pciaddr
Description
®
Intel IXP45X and Intel
0x4c
Reset Value
Access:
8 7 6 5 4
Reset
Value
0x0000
0000
00
0x50
Reset Value
Access:
8 7 6 5 4
Reset
Value
0x0000
0000
00
®
IXP46X Product Line of Network Processors
Develepor's Manual
0x00000000
(See below.)
3 2 1 0
0 0
PCI AHB
Access Access
RO RW
RO RO
0x00000000
(See below.)
3 2 1 0
0 0
PCI AHB
Access Access
RO RW
RO RO
571