[U-Boot] Query on qspi driver

Siva Durga Prasad Paladugu siva.durga.paladugu at xilinx.com
Mon Dec 5 07:05:06 CET 2016


Hi Jagan,

Ping!


> -----Original Message-----
> From: Siva Durga Prasad Paladugu
> Sent: Tuesday, November 29, 2016 10:30 AM
> To: 'Jagan Teki' <jagan at openedev.com>
> Cc: u-boot at lists.denx.de; Michal Simek (michal.simek at xilinx.com)
> <michal.simek at xilinx.com>
> Subject: RE: [U-Boot] Query on qspi driver
> 
> 
> Hi Jagan,
> 
> > -----Original Message-----
> > From: Jagan Teki [mailto:jagan at openedev.com]
> > Sent: Thursday, November 24, 2016 11:48 PM
> > To: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> > Cc: u-boot at lists.denx.de; Michal Simek (michal.simek at xilinx.com)
> > <michal.simek at xilinx.com>
> > Subject: Re: [U-Boot] Query on qspi driver
> >
> > On Wed, Nov 23, 2016 at 11:21 AM, Siva Durga Prasad Paladugu
> > <siva.durga.paladugu at xilinx.com> wrote:
> > > Hi Jagan,
> > >
> > > I am planning to send ZynqMP qspi driver to mainline. As per your
> > > recent
> > patches, I can see that, you are moving qspi flash stuff to spi-nor
> > and these are not in main tree yet.
> > > As you said earlier, I have seen u-boot-spi.git and there are few
> > > branches
> > on which you have spi-nor related changes. Could you please let me
> > know branch to work for sending my ZynqMP qspi driver patches.
> > > Also, could you let me know your plan or target release for spi-nor
> > changes, so that I will work on it accordingly.
> >
> > Please note that, if this controller is specially designed for spi-nor
> > flash's with exact functionalities which are more likely a flash
> > related I can recommend you to add the driver on mtd side, if not it
> > should be a pure spi driver.
> >
> > If you want to write the driver on mtd side, use the master tree
> > itself and once SPI-NOR ML will make the changes accordingly.
> Yes, I want to write driver on mtd side.
> Which master you are referring, is it u-boot-spi.git Or u-boot.git master?
> If it is u-boot.git, then I didn’t find any spi-nor related changes there. Do you
> want me to add driver on mtd side with current spi on master?
> Also, could you let me know your plan or target release for spi-nor changes,
> so that I will work on it accordingly.
> 
> Regards,
> Siva
> >
> > thanks!
> > --
> > Jagan Teki
> > Free Software Engineer | www.openedev.com U-Boot, Linux | Upstream
> > Maintainer Hyderabad, India.


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