Artesyn MVME5100, Programmer'S Reference Manual, Page: 154 / 318

Hawk PCI Host Bridge & Multi-Processor Interrupt Controller
MVME5100 Single Board Computer Programmer’s Reference (6806800H17B )
154
2.5.2.1 Vendor ID/ Device ID Registers
VENID
Vendor ID. This register identifies the manufacturer of the device. This identifier is allocated by
the PCI SIG to ensure uniqueness. $1057 has been assigned to Artesyn Embedded
Technologies - Embedded Computing. This register is duplicated in the PPC Registers.
DEVID
Device ID. This register identifies the particular device. The Hawk will always return $4803. This
register is duplicated in the PPC Registers.
2.5.2.2 PCI Command/ Status Registers
The Command Register (COMMAND) provides coarse control over the PHB ability to generate
and respond to PCI cycles. The bits within the COMMAND register are defined as follows:
IOSP
Table 2-54 Vendor ID/ Device ID Registers
Offset $00
<--Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name DEVID VENID
Operation R R
Reset $4803 $1057
Table 2-55 PCI Command/ Status Registers
Offset $04
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name STATUS COMMAND
RCVPE SI
GS
E
RCVMA RCVT
A
SI
G
TA
SEL
TIM1
SEL
TIM0
DP
AR
FA
ST
P66M SERR PERR MS
TR
MEM
SP
IO
SP
Operation
R/C R/C R/C R/C R/C R R R/C R R R R R R R R R R R R R R R R/W R R/W R R R R/W R/W R/W
Reset
0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0