Motorola MVME2400 Series Programmer's Reference Manual page 199

In order to place code correctly in the ROM/Flash devices, address
mapping information is required.
map to the ROM/Flash addresses when ROM/Flash is 16 bits wide.
3-8 shows how they map when Flash is 64 bits wide.
Table 3-7. PPC60 x to ROM/Flash (16 Bit Width) Address Mapping
PPC60x A0-A31
$XX000000
$XX000001
$XX000002
$XX000003
$XX000004
$XX000005
$XX000006
$XX000007
$XX000008
$XX000009
$XX00000A
$XX00000B
$XX00000C
$XX00000D
$XX00000E
$XX00000F
.
.
.
$XXFFFFF8
$XXFFFFF9
$XXFFFFFA
$XXFFFFFB
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Table 3-7
ROM/Flash A22-A0
$000000
$000001
$000002
$000003
$000000
$000001
$000002
$000003
$000004
$000005
$000006
$000007
$000004
$000005
$000006
$000007
.
.
.
$7FFFFC
$7FFFFD
$7FFFFE
$7FFFFF
Functional Description
shows how PPC60x addresses
Table
ROM/Flash Device Selected
Upper
Upper
Upper
Upper
Lower
Lower
Lower
Lower
Upper
Upper
Upper
Upper
Lower
Lower
Lower
Lower
.
.
.
Upper
Upper
Upper
Upper
3
3-19