[U-Boot] [PATCH v2 1/3][repost] nand: Add Marvell Kirkwood NAND driver

Dieter Kiermaier dk-arm-linux at gmx.de
Tue Jun 23 14:14:26 CEST 2009


Am Dienstag 23 Juni 2009 14:06:46 schrieb Prafulla Wadaskar:
> > -----Original Message-----
> > From: Dieter Kiermaier [mailto:dk-arm-linux at gmx.de]
> > Sent: Tuesday, June 23, 2009 4:53 PM
> > To: Prafulla Wadaskar
> > Cc: Jean-Christophe PLAGNIOL-VILLARD; u-boot at lists.denx.de;
> > Scott Wood; Ashish Karkare; Prabhanjan Sarnaik; Ronen Shitrit
> > Subject: Re: [U-Boot] [PATCH v2 1/3][repost] nand: Add
> > Marvell Kirkwood NAND driver
> >
> > Am Dienstag 23 Juni 2009 12:38:05 schrieb Prafulla Wadaskar:
> > > > -----Original Message-----
> > > > From: Dieter Kiermaier [mailto:dk-arm-linux at gmx.de]
> > > > Sent: Tuesday, June 23, 2009 2:18 PM
> > > > To: Jean-Christophe PLAGNIOL-VILLARD
> > > > Cc: Prafulla Wadaskar; u-boot at lists.denx.de; Scott Wood; Ashish
> > > > Karkare; Prabhanjan Sarnaik; Ronen Shitrit
> > > > Subject: Re: [U-Boot] [PATCH v2 1/3][repost] nand: Add Marvell
> > > > Kirkwood NAND driver
> > > >
> > > > Am Dienstag 23 Juni 2009 10:35:31 schrieb Jean-Christophe
> > > >
> > > > PLAGNIOL-VILLARD:
> > > > > > > I2C lowest priority (as per need)
> > > > > >
> > > > > > Can I do something to push I2C priority?
> > >
> > > Any way this driver will be arround TWSI controller
> >
> > interface by h/w
> >
> > > Again if you are using different pins then may not be
> >
> > helpful for you
> >
> > I2C by hardware is ok because the pins are not multiplexed
> > with other important functions as its the case for SPI.
> > And also I2C isn't _so_ important to bring up the first board
> > revision :)
> >
> > > > > If the I/O is shared with gpio you can use bitbanging with few
> > > > > hours
> > > >
> > > > I think this would be the best to start - due to the fact that I
> > > > need bitbanging for FPGA flashing, too.
> > >
> > > This is a good Idea, start your development with accessing GPIO
> > > registers directly
> >
> > I start working on gpio stuff now and sending my patches to
> > you. Maybe it is helpful for others, too,
>
> You are most welcomed as one of kirkwood developer for u-boot community
> Post your patches to mailing list so that everyone can review and provide
> you feedback, follow u-boot development guidelines, go through u-boot
> development documentation..
>
> Best of luck :-)
>
Thanks to all - it's time to give something back to the community :)
And sure - I will send the patches as well to the list!

Dieter

> Regards..
> Prafulla . .
>
> > Dieter
> >
> > > Regards..
> > > Prafulla . . .




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