[U-Boot] [PATCH] serial: pl01x: Add support for devices with the rate pre-configured.

Tom Rini trini at konsulko.com
Tue Mar 8 00:37:03 CET 2016


On Sun, Mar 06, 2016 at 07:38:47PM -0700, Simon Glass wrote:
> Hi Stephen,
> 
> On 5 March 2016 at 23:26, Stephen Warren <swarren at wwwdotorg.org> wrote:
> >
> > On 02/05/2016 09:19 PM, Stephen Warren wrote:
> >>
> >> On 02/05/2016 02:43 PM, Eric Anholt wrote:
> >>>
> >>> For Raspberry Pi, we had the input clock rate to the pl011 fixed in
> >>> the rpi.c file, but it may be changed by firmware due to user changes
> >>> to config.txt.  Since the firmware always sets up the uart (default
> >>> 115200 output unless the user changes it), we can just skip our own
> >>> uart init to simplify the boot process and more reliably get serial
> >>> output.
> >>
> >>
> >> Tested-by: Stephen Warren <swarren at wwwdotorg.org>
> >> (With a 6MHz init_uart_clock and with/without init_uart_baud=9600)
> >
> >
> > Simon/Tom, did this slip through the cracks, or are you deferring it until the next release?
> 
> We haven't heard back on the review comments.
> 
> I don't really mind if we go the DT approach or this one. But this
> patch needs a little rework I think.

I thought the main review comment was "didn't we try and do this with
DT?" ?  I'm feeling like we might want to skip doing anything DT related
for this part...

-- 
Tom
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