> -Original Message-
> From: u-boot-boun...@lists.denx.de [mailto:u-boot-boun...@lists.denx.de]
> On Behalf Of chris c
> Sent: Tuesday, October 12, 2010 6:55 AM
> To: u-boot@lists.denx.de
> Subject: Re: [U-Boot] Testing Data Cache for armv7 (beagleboard)
>
> Th
Thanks for the replies. I didn't realize that the MMC module was operating
in 1-bit mode inside U-boot. I'll concentrate on looking at that. Has
anybody done any work to try and get 4-bit mode working for OMAP3 in U-boot?
Thanks,
Chris
On Thu, Oct 7, 2010 at 1:04 PM, Wolfgang Denk wrote:
> D
Dear chris c,
In message you
wrote:
>
> I was comparing time just by timing it manually. How did you instrument
> u-boot to display the time?
That's no instrumentation of U-Boot, but just timestamping the output
on the serial console. See for example
ftp://ftp.denx.de/pub/tools/time_log
> As
Heiko,
I was comparing time just by timing it manually. How did you instrument
u-boot to display the time?
As for the small versus large file, I did the same test for 1MB of data
using nand read and saw a x4 performance advantage. I also did a test on
mmc with 100 MB file and saw no performance
Hello Chris,
chris chriss wrote:
> I'm trying to test the cache on my beagle with a snapshot from the git tree
> today. I tried it out by loading a file from the mmc with dcache off and
> then dcache on. I didn't see any difference in speed. After reading this
> commit (http://git.denx.de/?p=u-
Dear chris chriss,
> I'm trying to test the cache on my beagle with a snapshot from the git tree
> today. I tried it out by loading a file from the mmc with dcache off and
> then dcache on. I didn't see any difference in speed. After reading this
> commit (http://git.denx.de/?p=u-boot.git;a=comm
I'm trying to test the cache on my beagle with a snapshot from the git tree
today. I tried it out by loading a file from the mmc with dcache off and
then dcache on. I didn't see any difference in speed. After reading this
commit (http://git.denx.de/?p=u-boot.git;a=commit;h=95c6f6d), I expected t
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