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

Dieter Kiermaier dk-arm-linux at gmx.de
Tue Jun 23 13:23:18 CEST 2009


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,

Dieter
>
> Regards..
> Prafulla . . .




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