From: Andrei Gherzan <andrei@gherzan.ro>
To: Trevor Woerner <twoerner@gmail.com>
Cc: yocto@yoctoproject.org
Subject: Re: [meta-raspberrypi][PATCH v2 2/2] raspberrypi3: set core frequency
Date: Wed, 13 Apr 2016 04:51:47 +0200 [thread overview]
Message-ID: <20160413025147.GE22139@resin> (raw)
In-Reply-To: <1460411685-12573-2-git-send-email-twoerner@gmail.com>
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On Mon, Apr 11, 2016 at 05:54:45PM -0400, Trevor Woerner wrote:
> Pegging the core frequency at 250 avoids any fluctuations of the baud rate on
> the console.
>
> See:
> https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=138223
>
> Signed-off-by: Trevor Woerner <twoerner@gmail.com>
> ---
> conf/machine/raspberrypi3.conf | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/conf/machine/raspberrypi3.conf b/conf/machine/raspberrypi3.conf
> index cb6056e..81301c3 100644
> --- a/conf/machine/raspberrypi3.conf
> +++ b/conf/machine/raspberrypi3.conf
> @@ -9,3 +9,4 @@ MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-brcm43430"
> include conf/machine/raspberrypi2.conf
>
> SERIAL_CONSOLE = "115200 ttyS0"
> +CORE_FREQ = "250"
I think it would be better to use enable_uart in config.txt for this
situation. Setting it to 1 would work on all the rpi versions with
current firmware (to be tested).
--
Andrei Gherzan
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next prev parent reply other threads:[~2016-04-13 2:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 21:54 [meta-raspberrypi][PATCH v2 1/2] raspberrypi3: serial console Trevor Woerner
2016-04-11 21:54 ` [meta-raspberrypi][PATCH v2 2/2] raspberrypi3: set core frequency Trevor Woerner
2016-04-13 2:51 ` Andrei Gherzan [this message]
2016-04-13 2:20 ` [meta-raspberrypi][PATCH v2 1/2] raspberrypi3: serial console Andrei Gherzan
2016-04-13 2:28 ` Andrei Gherzan
2016-04-13 16:41 ` Trevor Woerner
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