[PATCH v5 1/3] ARM: mxs: add GPMI-NFC support for imx23/imx28

Wolfram Sang w.sang at pengutronix.de
Fri Jul 1 04:01:58 EDT 2011


On Fri, Jul 01, 2011 at 03:53:13PM +0800, Huang Shijie wrote:
> Hi:
> >Hi Arnd,
> >
> >>If you really want to call out obsceneties, how about the fact that this
> >>driver comes with an 805 line patch to add a HAL for a single chip!
> >>
> >>Such abstractions should not be introduced as long as there is only
> >>a single instance of the hardware.
> >If I understood correctly, most if not all upcoming i.MX will have the GPMI
> >(mx50, mx6). Huang, do you already have a draft for the mx50-hal?
> >
> I have finished the code for mx50's GPMI.
> And I am coding for the MX6's GPMI recently.
> 
> I need a separate mx50-hal (or mx60-hal) to make the code tidy.
> The MX50 and mx60 support ONFI NAND and TOGGLE nand(which mx23/mx28
> do not support),
> they need a long code to initialize the TIMING register. What's
> more, the READ/WRITE functions
> are different from the mx23/mx28.
> 
> Frankly speaking, I can merge the mxs-hal.c file to the gpmi-nfc.c,
> but don't you think it too
> messy?

Is it possible to post the mx50 code (as RFC with a note saying that it
is not ready yet and is not intended to be merged) so we can see better?

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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