Ethernet Controller Csrs - DEC Digital Alpha VME 4/224 User Manual

Figure 8–2 PCI Configuration Registers
Device ID = 0002h
Status
Class Code
N/S Don't Care
I/O Base Address (CBIO)
Memory Base Address (CBMA)
Reserved
Reserved
Reserved
N/S (=Not Supported)
Reserved
Reserved
X X
Driver Area (CFDA)
Reserved
Reserved

8.1.2 Ethernet Controller CSRs

The Ethernet controller has 16 CSRs that can be accessed by the PCI host bridge.
The address field in Table 8–1 reflects the offset from the CSR base address
(CBIO,CBMA). The CSRs are located in PCI I/O or memory space. The CSRs are
quadword-aligned and can only be accessed using longword instructions. See the
DECchip 21040-AA specifications for more details.
8–4 PCI bus
Vendor ID = 1011h : 00001000
Command : 00001004
Rev ID : 00001008
Latency Timer N/S : 0000100C
: 00001010
: 00001014
: 00001018
: 00001028
: 0000102C
: 00001030
: 00001034
: 00001038
Int Pin Int Line : 0000103C
: 00001040
: 00001044 to 000010FC
ML013282