ARM Technical Support Knowledge Articles

What is the Peripheral Port Remap Register for ?

Applies to: ARM1136, ARM1176

Answer

The Peripheral Port Remap Register allows a region of memory to be specified as using the Peripheral interface, even when the MMU is disabled. Out of reset, the MMU is off and the memory type is defined as strongly ordered by default so we cannot make accesses on the peripheral port. (Normally the Peripheral port is used for Non-Shared, Device memory accesses only). Note that the The Peripheral Port Remap Register can also be used when the MMU is on, in that case the Remap takes the highest priority. This is described in the ARM1136/76 Technical Reference Manuals.

Article last edited on: 2008-09-09 15:47:51

Rate this article

[Bad]
|
|
[Good]
Disagree? Move your mouse over the bar and click

Did you find this article helpful? Yes No

How can we improve this article?

Link to this article
Copyright © 2011 ARM Limited. All rights reserved. External (Open), Non-Confidential