[U-Boot] [U-Boot, 3/3] stm32: Change USART port to USART6 for stm32f746 discovery board

NISHINAGA Toshifumi tnishinaga.dev at gmail.com
Fri Jul 29 15:23:12 CEST 2016


Hi Vikas,

2016-07-21 6:59 GMT+09:00 Vikas MANOCHA <vikas.manocha at st.com>:

> Hi Tom,
>
> > -----Original Message-----
> > From: U-Boot [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Tom Rini
> > Sent: Saturday, July 16, 2016 6:51 AM
> > To: tnishinaga.dev at gmail.com
> > Cc: u-boot at lists.denx.de; gregkh at linuxfoundation.org
> > Subject: Re: [U-Boot] [U-Boot, 3/3] stm32: Change USART port to USART6
> for
> > stm32f746 discovery board
> >
> > On Fri, Jul 08, 2016 at 01:02:26AM +0900, tnishinaga.dev at gmail.com
> wrote:
> >
> > > From: Toshifumi NISHINAGA <tnishinaga.dev at gmail.com>
> > >
> > > This change is to remove a halt at about 200KiB while sending a
> > > large(1MiB) binary to a micro controller using USART1.
> > > USART1 is connected to a PC via an on-board ST-Link debugger that also
> > > functions as a USB-Serial converter.
> > > However, it seems to loss some data occasionally.
> > > So I changed the serial port to USART6 and connected it to the PC
> > > using an FTDI USB-Serial cable, therefore the transmission was
> > > successfully completed.
> > >
> > > Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev at gmail.com>
> >
> > Applied to u-boot/master, thanks!
>
> There is no serial/usb connector on discovery board to use USART6 signals.
> With this patch, it is not possible to get discovery console without
> additional circuit. Please revert this patch.
> Also I did a quick check on transferring 2.6MB binary using usart1 without
> any issue.
>


I'm so sorry for the lack of confirmation.
I checked on transferring 1.5MB data using usart1 without any issue.
Thank you for checking my patch.



> Hi Toshifumi,
> Please keep all involved developers in the "To" of the patch e-mails
> (checkout scripts/get_maintainer.pl).
>
>
I understand.
Thank you.

Cheers,
Toshifumi


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