BA
PF
1
31
*
12111
*
t i
LT
MSI
Figure 17-36. PCI PTM 2 BAR Register (PCICO_PTM2BAR)
31:12 BA
Base Address
Only corresponding bits
in
These bits determine where
in
PCI PCILO_PTM2MS that are set to 1 are
Memory address space this region is writable. Bits
in
PCILO_PTM2MS that
located.
are set to
0 cause the corresponding
Base Address register bits to be
always
O.
PCILO_PTM2MS must be initialized
by a PLB master before any PCI device
can configure this register.
11
:4
BAZ
Base Address Always Zero
BAZ =
OxOO
because the minimum size
of this range is 4KB.
3
PF
Prefetchable
PF = 1 to indicate that prefetching is
allowed.
2:1
LT
Location Type
LT
=
ObOO
to indicate that the memory
space can be located anywhere
in
the
32-bit address space.
0 MSI
Memory Space Indicator MSI = 0 to indicate memory space,
rather than
1/0
space.
17.5.3.16
PCI
Subsystem Vendor 10 Register (PCICO_SBSYSVID)
PCICO_SBSYSVIO holds the vendor
10
for a subsystem
or
add-in board.
1
15
01
Figure 17-37. PCI
Subsystem
Vendor
10
Register (PCICO_SBSYSVIO)
1
15
:
0
PCI Subsystem Vendor ID
17.5.3.17
PCI
Subsystem 10 Register (PCICO_SBSYSID)
PCICO_SBSYSIO holds the device
10
of a subsystem
or
add-in board.
Preliminary PCI Interface 17-39