From: Michal Marek <mmarek@suse.cz>
To: u-boot@lists.denx.de
Subject: [U-Boot] Very slow fatload on bcm2835
Date: Tue, 16 Jun 2015 11:19:11 +0200 [thread overview]
Message-ID: <557FEA0F.9050303@suse.cz> (raw)
In-Reply-To: <557F9FAE.3040602@wwwdotorg.org>
On 2015-06-16 06:01, Stephen Warren wrote:
> On 06/11/2015 12:35 PM, Jakub Kicinski wrote:
>> Hello!
>>
>> I'm using latest git source of U-Boot on Raspberry Pi Compute Module
>> and performance of fatload is quite bad. Does anyone have any clue
>> about what can be wrong? Is it the lack of cache?
>>
>> Sample boot log:
> ...
>> reading zImage
>> 4003816 bytes read in 48930 ms (79.1 KiB/s)
>
> I see this too. I bisected it to:
> 33fe2fb8df01 ARM: mmc: bcm283x: Remove get_timer_us() from mmc driver
>
> Marek, this is the second symptom I bisected to this patch. Something
> seems quite wrong with it. Did changing to the other timer function
> change the timer tick rate or something? FWIW, "sleep 10" at the shell
> prompt appears to run for the correct amount of time, so I guess it's
> not that.
I think you meant Marek Va?ut. I'm Marek by last name :).
Michal
next prev parent reply other threads:[~2015-06-16 9:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 18:35 [U-Boot] Very slow fatload on bcm2835 Jakub Kicinski
2015-06-16 4:01 ` Stephen Warren
2015-06-16 9:19 ` Michal Marek [this message]
2015-06-17 10:43 ` Marek Vasut
2015-06-17 13:44 ` Jeroen Hofstee
2015-06-18 12:34 ` Marek Vasut
2015-06-18 1:55 ` Stephen Warren
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