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48 Customer Reference Board Manual
Intel® IQ80333 I/O Processor
Software Reference
4.3 Board Support Package (BSP) Examples
Examples provided in this section are based on the RedHat* RedBoot software running on the
IQ80333.
4.3.1 Intel
®
80333 I/O Processor Memory Map
Figure 13 depicts the memory space for the 80333 (before RedBoot boots):
Figure 13. Intel
®
80333 I/O Processor Memory Map
Peripheral Memory-Mapped Registers
I/O Processor Reserved
0000 0000H
ADDRESS
FFFF FFFFH
Reserved
Address
Space
FFFF E900H
FFFF E000H
Code/Data
External Memory
ATU Outbound Memory Translation Windows
8000 0000H
ATU Outbound Direct Addressing Window
8800 0000H
External Memory
Code / Data External Memory
ATU Outbound I/O Translation Window
9000 0000H
9001 0000H
Memoryless Boot Registers
0000 0040H