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Memory Maps
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Memory Maps
Default Processor Memory Map
The MV64360 presents a default CPU memory map following RESET
negation. The following table shows the default memory map from the
point of view of the processor. Address bits [35:32] are only relevant for
the MPC7457 extended address mode and are not shown in the following
tables. (Note that it is the same as the GT-64260A with the addition of
integrated SRAM.)
Table 1-2. Default Processor Address Map
Processor Address
Size Definition
Notes
Start End
0000 0000 007F FFFF 8M DRAM Bank 0
0080 0000 00FF FFFF 8M DRAM Bank 1
0100 0000 017F FFFF 8M DRAM Bank 2
0180 0000 01FF FFFF 8M DRAM Bank 3
0200 0000 0FFF FFFF 224M Unassigned
1000 0000 11FF FFFF 32M PCI Bus 0 I/O Space
1200 0000 13FF FFFF 32M PCI Bus 0 Memory Space 0
1400 0000 1BFF FFFF 128M Unassigned
1C00 0000 1C7F FFFF 8M Device CS0*
1C80 0000 1CFF FFFF 8M Device CS1*
1D00 0000 1DFF FFFF 16M Device CS2*
1E00 0000 1FFF FFFF 32M Unassigned
2000 0000 21FF FFFF 32M PCI Bus 1 I/O
2200 0000 23FF FFFF 32M PCI Bus 1 Memory Space 0
2400 0000 25FF FFFF 32M PCI Bus 1 Memory Space 1
2600 0000 27FF FFFF 32M PCI Bus 1 Memory Space 2