[U-Boot] [RFC/PATCH 1/4] Enable multi chip support in the NAND layer

Stefan Roese sr at denx.de
Mon Jan 19 18:21:14 CET 2009


On Monday 19 January 2009, Scott Wood wrote:
> > > Actually, none of the boards use multi-chip support (NAND_MAX_CHIPS >
> > > 1). The bamboo and the DU440 define
> > >
> > >   #define NAND_MAX_CHIPS          CONFIG_SYS_MAX_NAND_DEVICE
> > >
> > > but that's bogus and did not work yet anyhow.
> >
> > Not sure what you mean by this. Bamboo has 2 NAND chips and U-Boot can
> > access both chips.
>
> Are they accessed as 2 NAND controllers, or 2 chips on one controller?

2 chips on one controller.

> We can make it "#define NAND_MAX_CHIPS 2" if that's appropriate, but
> defining it to CONFIG_SYS_MAX_NAND_DEVICE doesn't seem to make sense.

OK with me.

Thanks.

Best regards,
Stefan

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