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Programmer’s Reference
ARM DUI 0224F Copyright © 2003-2007 ARM Limited. All rights reserved. 4-15
Note
If you are booting from static memory on a RealView Logic Tile, jump to the natural
address of your expansion memory before disabling DEVCHIP REMAP.
Figure 4-5 Booting from AHB expansion
4.2.2 Memory characteristics
Some memory access characteristics, for example chip select polarity and memory
width, are set by the CONFIGDATA signals. Changing these values might be required,
for example, if you are booting from expansion memory. The signal states are
determined by the SYS_CFGDATAx registers. These registers contain configuration
data to be applied to HDATAM2 pins of the ARM926EJ-S PXP Development Chip