Memory Maps; Overview; Default Processor Memory Map; Suggested Processor Memory Map - SMART Embedded Computing MVME7100ET Programmer's Reference Manual

Memory Maps

2.1

Overview

The following sections describe the memory maps for the MVME7100ET. Refer to the
MC864xD Reference Manual for additional details and/or programming information.
2.1.1

Default Processor Memory Map

The following table describes a default memory map from the point of view of the processor
after a processor reset.
Table 2-1
Processor Address
Start
0000 0000
FF70 0000
FF80 0000
1. The e600 core fetches the first instruction from FFF0 0100 following a reset.
2.1.2

Suggested Processor Memory Map

The following table describes a suggested physical memory map from the point of view of
the processor. This table reflects the address map implemented by the board level firmware
at release time.
Table 2-2
Processor Address
Start
0000 0000
8000 0000
D000 0000
E000 0000
MVME7100ET Single Board Computer Programmer's Reference (6806800K88C)
Default Processor Address Map
End
FF6F FFFF
FF7F FFFF
FFFF FFFF
Suggested Processor Address Map
Size
End
dram_size
top_dram - 1
(2 GB max.
CFFF FFFF 1.25 GB
DFFF FFFF 256 MB
EFFF FFFF 256 MB
Size Definition
4087 M Not mapped
1 M MC864xD CCSR Registers
8 M Flash
Definition
System Memory
(on-board DRAM)
PCI 0 Memory Space / VME
PCI 1 Memory Space
Not used
Chapter 2
Notes
1
Notes
21