MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 1123

• Manufacturer Part Number: MPC8536-RDK
• Description: BOARD REF COMEXPRESS MPC8536
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC ™r
• Type: MPUr

Specifications of MPC8536-RDK

• Contents: CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
• For Use With/related Products: MPC8536
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.3.5.2.4
The PCI Express inbound window base address registers, shown in
for the windows which are translated to an alternate target address space. In root complex (RC) mode,
addresses for inbound transactions are compared to these windows. In RC mode, PEXIWBAR0 is located
in the PCI Express type 1 configuration header space and PEXIWBAR[1–3] registers are implemented as
described in this section. In endpoint (EP) mode, these registers are not implemented in the
memory-mapped space. Reading these registers in EP mode returns all zeros and writing to these offsets
has no consequences. All base address registers in EP are located in the PCI Express type 0 configuration
header space. Note that PEXIWBAR1 only supports 32-bit PCI Express address space.
Table 17-20
17.3.5.2.5
The PCI Express inbound window base extended address registers, shown in
most-significant bits of a 64 bit base address.
Table 17-21
Freescale Semiconductor
Offset Window 2: 0xDCC
Reset
12–31
0–11
Bits
Offset Window 1: 0xDE8
Reset
W
R
Figure 17-22. PCI Express Inbound Window Base Extended Address Registers (PEXIWBEAR n )
W
Window 3: 0xDAC
R
0
WBEA Window base extended address. This field corresponds to PCI Express address bits [43:32]. Note that the
Name
Window 2: 0xDC8
Window 3: 0xDA8
WBA
0
Table 17-20. PCI Express Inbound Window Base Address Register Field Descriptions
Figure 17-21. PCI Express Inbound Window Base Address Registers (PEXIWBAR n )
describes the fields of the PCI Express inbound window base address registers.
describes the fields of the PCI Express inbound window base extended address registers.
PCI Express Inbound Window Base Address Registers (PEXIWBAR n )
PCI Express Inbound Window Base Extended Address Registers
(PEXIWBEAR n )
extended address is supported for windows 2 and 3 only; for PEXIWBAR1, these bits are reserved and must
be 0.
Window base address. Source address which is the starting point for the inbound translation window. The
window must be aligned based on the size selected in the window size bits. This corresponds to PCI Express
address bits [31:12].
(Windows 2 and 3 only)
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
—
WBEA
11 12
11 12
All zeros
All zeros
Description
Figure
WBEA
WBA
17-21, select the base address
Figure
PCI Express Interface Controller
17-22, contain the
Access: Read/Write
Access: Read/Write
17-27
31
31