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

Simon Glass sjg at chromium.org
Mon Mar 7 03:38:47 CET 2016


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.

Regards,
Simon


More information about the U-Boot mailing list