[U-Boot] [PATCH] fsl-ifc-nand : Corrected the programming of chip select

[Scott Wood]

On 09/06/2016 08:44 AM, Matt Weber wrote:
> Corrected the chip selection in IFC_NAND_CSEL register. Due to this
> issue in multi-chip nand use-case, IFC was always pointing to the last
> probed chip even though the user select another device through "nand
> device" command.
> 
> Signed-off-by: Ronak Desai <ronak.desai at rockwellcollins.com>
> Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
> ---
>  drivers/mtd/nand/fsl_ifc_nand.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
> index 7001cbd..2ce4a7d 100644
> --- a/drivers/mtd/nand/fsl_ifc_nand.c
> +++ b/drivers/mtd/nand/fsl_ifc_nand.c
> @@ -296,7 +296,7 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
>  	int i;
>  
>  	/* set the chip select for NAND Transaction */
> -	ifc_out32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand);
> +	ifc_out32(&ifc->ifc_nand.nand_csel, priv->bank << IFC_NAND_CSEL_SHIFT);
>  
>  	/* start read/write seq */
>  	ifc_out32(&ifc->ifc_nand.nandseq_strt,

Ouch.  fsl_ifc_sram_init() should also be updated and cs_nand removed.

-Scott