Tews Technologies TMVE8240-11, User Manual

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TVME8240 User Manual Issue 1.2.9 Page 17 of 70
3 Address Maps
The TVME8240 uses the MPC8240 address map B in host mode.
The following address maps reflect MPC8240 configuration register settings done by board
initialization software.
3.1 Address Map - Processor View
Processor Address
Start End
Size
(Byte)
Description
0x0000_0000 TOP_DRAM DRAM_SIZE SDRAM Memory (64 bit wide)
64 Mbyte :
TOP_DRAM = 0x03FF_FFFF
TOP_DRAM
+ 1
0x3FFF_FFFF 1 G – DRAM_SIZE Reserved
0x4000_0000 0x7FFF_FFFF 1 G Reserved
0x8000_0000 0xFCEF_FFFF 2 G – 49 M PCI MEM Space
0xFCF0_0000 0xFCFF_FFFF 1 M MPC8240 EUMB
0xFD00_0000 0xFDFF_FFFF 16 M PCI MEM Space (0-based)
0xFE00_0000 0xFE00_FFFF 64 K PCI I/O Space (0-based)
0xFE01_0000 0xFE7F_FFFF 8 M – 64 K Reserved
0xFE80_0000 0xFEBF_FFFF 4 M PCI I/O Space (0-based)
0xFEC0_0000 0xFEDF_FFFF 2 M Configuration Address Register
0xFEE0_0000 0xFEEF_FFFF 1 M Configuration Data Register
0xFEF0_0000 0xFEFF_FFFF 1 M PCI Interrupt Acknowledge
0xFF00_0000 0xFF7F_FFFF 8 M Memory FLASH (64 bit wide)
0xFF80_0000 0xFFDF_FFFF 6 M Reserved
0xFFE0_0000 0xFFEF_FFFF 1 M Peripheral Devices (8 bit wide)
0xFFF0_0000 0xFFFF_FFFF 1 M Boot FLASH (8 bit wide)
Table 3-1 : Address Map – Processor View
Device Read Write
SDRAM All All
Memory FLASH All 64 bit Only
Peripheral Devices 8 bit Only 8 bit Only
Boot FLASH All 8 bit Only
Table 3-2 : Supported Transfer Sizes