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PLB PCI Full Bridge (v1.00a)
10 www.xilinx.com DS508 March 21, 2006
Product Specification
EARLY ACCESS
G27
IPIF BAR to which PCI
BAR 0
is mapped
C_PCIBAR2
IPIFBAR_0
Vector of length
C_PLB_AWIDTH
0x00000000
std_logic_
vector
G28
Power of 2 in the size in
bytes of PCI BAR 0
space
C_PCIBAR_
LEN_0
5 to 29 16 integer
G29
IPIF BAR to which PCI
BAR 1 is mapped
C_PCIBAR2IPI
FBAR_1
Vector of length
C_PLB_AWIDTH
0x00000000
std_logic_
vector
G30
Power of 2 in the size in
bytes of PCI BAR 1
space
C_PCIBAR_
LEN_1
5 to 29 16 integer
G31
IPIF BAR to which PCI
BAR 2 is mapped
C_PCIBAR2
IPIFBAR_2
Vector of length
C_PLB_AWIDTH
0x00000000
std_logic_
vector
G32
Power of 2 in the size in
bytes of PCI BAR 2
space
C_PCIBAR_
LEN_2
5 to 29 16 integer
G33 PCI address bus width
C_PCI_ABUS_
WIDTH
32 32 integer
G34 PCI data bus width
C_PCI_DBUS_
WIDTH
32 32 integer
G35
Both PCI2IPIF FIFO
address bus widths.
Usable depth is
2^C_PCI2IPIF_FIFO_A
BUS_WIDTH - 3
C_PCI2IPIF_
FIFO_ABUS_
WIDTH
4-14 9 integer
G36
Both IPIF2PCI FIFO
address bus widths.
Usable depth is
2^C_IPIF2PCI_FIFO_A
BUS_WIDTH - 3
C_IPIF2PCI_
FIFO_ABUS_
WIDTH
4-14 9 integer
G37
Include explicit
instantiation of INTR_A
io-buffer (must be 1 to
include io-buffer)
C_INCLUDE_
INTR_A_BUF
0 = not included
1 = included
1 integer
G38
Include explicit
instantiation of REQ_N
io-buffer (must be 1 to
include io-buffer)
C_INCLUDE_
REQ_N_BUF
0 = not included
1 = included
1 integer
G39
Minimum PCI2IPIF
FIFO occupancy level
that triggers the bridge
to initiate a prefetch PCI
read of a remote PCI
agent
C_TRIG_PCI_
READ_OCC_
LEVEL
5 to the lesser of 24 or
the PCI2IPIF FIFO
DEPTH-3. PCI2IPIF
FIFO DEPTH given by
2^C_PCI2IPIF_FIFO_
ABUS_WIDTH
32 integer
Table 1: PLB PCI Bridge Interface Design Parameters (Contd)
Generic
Feature /
Description
Parameter
Name
Allowable Values
Default
Value
VHDL
Type