RFC cpm2_devices DPRAM resource

Dan Malek dan at embeddededge.com
Fri Jun 17 05:36:02 EST 2005


On Jun 16, 2005, at 1:58 PM, Kumar Gala wrote:

> Well, we already have an allocator for general dpram memory.  I'm not 
> really sure how this would help beyond reducing the fact that we may 
> ioremap() regions more than once.  I think the better solution there 
> is to look at the patches that have been made to ioremap() to return 
> the same virtual addresses if you are remapping a region of physical 
> memory that already has a mapping.

I agree.  Specifically for 85xx, we have to make sure we have CAMs 
mapping
these spaces and ioremap() will reuse them.


	-- Dan




More information about the Linuxppc-embedded mailing list