[U-Boot] am335x: cpsw: optimize cpsw_recv to increase network performance

[Stefan Roese]

On 12.12.2013 14:20, Vladimir Koutny wrote:
> 
> On 12/12/13 13:37, Tom Rini wrote:
>> On 12/12/2013 03:34 AM, Stefan Roese wrote:
>>> I just tested on dxr2 (AM3352 based board) with latest mainline
>>> U-Boot. And the network performance is a bit better. But not as
>>> good as yours. Here my numbers:
>>
>>> Without this patch:	~400 KiB/s With this patch:	~570 KiB/s
>>
>>> Any ideas what might be missing on my platform? Why the speed is
>>> not as good?
>>
>> I only got a small increase as well until I also grabbed the dcache
>> enable patch.  I need to find some time today to clean out the TI
>> queue again.
>>
> 
> Good point - indeed I had I/D caches enabled for other reasons already
> (md5/sha1 caclulations, ..)

Hmmm. I expected that caches are enabled already. Since I didn't see any
"D-Cache disabled message" in the startup log.

If this is not that case, then such cache support would be greatly
appreciated. :)

Thanks,
Stefan