[U-Boot] OMAP4: NAND support (confusion)

[Vikram Singh Shekhawat]

Hi all,

Please help me to solve NAND issue in OMAP4.Waiting for your valuable reply.

Regards
Vikram singh


On Thu, Dec 5, 2013 at 3:27 PM, Vikram Singh Shekhawat <
vikram.singh at vvdntech.com> wrote:

> hi all,
>
> I am looking into nand for omap4, i have added patches for nand support in
> omap4 but have some doubts.
>
> 1) In thease patches we are not using CONFIG's register for chip select,
> we define that in arch/arm/include/asm/arch-omap4/mem.h(as copied from
> omap3's mem.h) but thease are not uses in
> arch/arm/cpu/armv7/omap-common/mem.c or any other place in u-boot for omap4.
>
> Is it possible without adding thease CONFIG's register, NAND will works
> properly.
>
> 2) I am not understanding what is the meaning of GPMC_SIZE_256M ,
> GPMC_SIZE_128M , GPMC_SIZE_64M , GPMC_SIZE_32M,
>
>    GPMC_SIZE_16M.Defined in arch/arm/include/asm/arch-omap4/mem.h. I have
> a MT29F4G08ABBD(NAND with 4 GB space) which gpmc size configuration i need
> for this nand chip.
>
>
> Thanks & regards
> Vikram singh shekhawat
>
>