[ELDK] MPC8313 NAND driver limitation
Wolfgang Denk
wd at denx.de
Thu Jan 15 07:57:58 CET 2009
Dear "Sai Amruta",
In message <dd2f3b320901141933u7f805e01wd050a80d3d55d51 at mail.gmail.com> you wrote:
>
> The current freescale NAND controller driver is using "command completion
> (CC)" interrupt from FCM block to know the completion read and write
> operations. After issuing NAND read/write operation and before FCM CC
> interrupt, access to other Local Bus chip selects will failed. I have found
> that it was a limitation with freescale FCM block.
> To come across this limitation, i have implemented busy wait loop in driver.
>
> I have spent lot of effort to find root cause, so that i would like to
> publish my observations here which may help somebody who is using MPC8313.
This is a good idea, but in no way related to the ELDK, so this is off
topic here. Please post your patches on the linuxppc-dev at ozlabs.org
mailing list.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
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Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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