My application needs a fast way to access a specific physical DDR memory
region. The application runs on an MPC8548 PowerPC which has an MMU. I've
tried two approaches that are typical for Linux, mmap() and using a kernel
module that implements read()/write() into this region and I'm finding that
| minimalist, thank you. NOT
_the_ _other_
| _way_
_around_!
http://www.ozlabs.org/~dgibson
[attachment "signature.asc" deleted by Steven Lin/USW/Teradyne]<><><>___
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
Hello Scott,
Do you know whether this patch is necessary if I were to use alloc_bootmem
() (to set aside a region of contiguous physical memory) instead of the
kernel parameter "mem=256"?
-Steve Lin
Scot
