Re: Read/write BCSR registers of PPC460EX
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2011-05-04 05:37:23
On Mon, 2011-05-02 at 08:40 -0400, Josh Boyer wrote:
Aside from minor things like using unsigned int instead of unsigned long, the code looks correct. The thing to check is if you are ioremapping the right physical address, and making sure you're reading a proper location.
Which is why he should obtain the location from the device-tree rather than hard coding it ! Cheers, Ben.