[U-Boot] [PATCH v2] at91: change CONFIG_SYS_HZ to 1000
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri Apr 3 15:21:27 CEST 2009
On 15:20 Fri 03 Apr , Eric BENARD wrote:
> Detlef Vollmann a écrit :
>> Jean-Christophe PLAGNIOL-VILLARD wrote:
>>> I've send a new patch that introduce an improve of the clock on at91
>>> which give you the calculated main_clock based on the main crystal and the
>>> lowlevel settings
>> I was looking for that patch in git://git.denx.de/u-boot-at91.git,
>> but couldn't find it there (it should add a new file
>> cpu/arm926ejs/at91/clock.c, correct?).
>> Where can I find that patch?
>>
> http://article.gmane.org/gmane.comp.boot-loaders.u-boot/56837
>
> Is it interesting to loose time calculating PLL values at each boot when
> these value can be defined in the board config file ?
yes because you will not loose that much 1ms in the worse case
but you will be sure about it evenif you change it in the at91bootstrap change
or the lowlevel_init. It's safer
Best Regards,
J.
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