[U-Boot] [PATCH v3] NAND: Add 16bit NAND support for the NDFC

Scott Wood scottwood at freescale.com
Thu Jun 16 20:04:38 CEST 2011


On Wed, Jun 08, 2011 at 01:29:12PM -0400, Alex Waterman wrote:
> diff --git a/nand_spl/nand_boot.c b/nand_spl/nand_boot.c
> index 9545a9a..1d847ef 100644
> --- a/nand_spl/nand_boot.c
> +++ b/nand_spl/nand_boot.c
> @@ -122,10 +122,15 @@ static int nand_is_bad_block(struct mtd_info *mtd, int block)
>  	nand_command(mtd, block, 0, CONFIG_SYS_NAND_BAD_BLOCK_POS, NAND_CMD_READOOB);
>  
>  	/*
> -	 * Read one byte
> +	 * Read one byte (or two if it's a 16 bit chip).
>  	 */
> -	if (readb(this->IO_ADDR_R) != 0xff)
> -		return 1;
> +	if (this->chip_options & NAND_BUSWIDTH_16){
> +		if (readw(this->IO_ADDR_R) != 0xffff)
> +			return 1;
> +	} else {
> +		if (readb(this->IO_ADDR_R) != 0xff)
> +			return 1;
> +	}

Configuring for canyonlands_nand - Board: canyonlands, Options: CANYONLANDS,NAND_U_BOOT,SYS_TEXT_BASE=0x01000000
/tmp/u-boot/nand_spl/board/amcc/canyonlands/nand_boot.c: In function 'nand_is_bad_block':
/tmp/u-boot/nand_spl/board/amcc/canyonlands/nand_boot.c:127:10: error: 'struct nand_chip' has no member named 'chip_options'

Also, space before {

-Scott



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