[RFC PATCH] arm: dts: vexpress: Set chosen 'stdout-path'

Sudeep Holla sudeep.holla at arm.com
Fri Oct 1 02:25:05 PDT 2021


On Wed, Sep 29, 2021 at 04:31:59PM +0100, Liviu Dudau wrote:
> Hi Rob,
> 
> On Fri, Sep 24, 2021 at 04:48:44PM -0500, Rob Herring wrote:
> > Using chosen 'stdout-path' is the preferred way to set the console, but
> > several Arm, Ltd. platforms don't set it. Set it to the 1st serial port.
> > 
> > Cc: Liviu Dudau <liviu.dudau at arm.com>
> > Cc: Sudeep Holla <sudeep.holla at arm.com>
> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> > Cc: linux-arm-kernel at lists.infradead.org
> > Signed-off-by: Rob Herring <robh at kernel.org>
> > ---
> > RFC because I don't have any idea what the baud rate is for real boards. 
> > If anyone knows, please comment and I'll add it.
> 
> I believe all of them default to 115200,8n1 but I'm only sure about the first two
> boards.
> 

Sorry to contradict, but I ran TC2 this Monday with 38400 baud. So the first
four must be 38400, as the uart is in the MB IOFPGA and we just change the
coretile DB to get the first 4 platforms. Juno and N1SDP have SoC uart and
they are configured by default to 115200 IIUC.

-- 
Regards,
Sudeep



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