From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Mon, 18 Feb 2013 13:18:48 -0600
Subject: [U-Boot] [PATCH] powerpc/p1022ds: Add support for NAND and NAND
 boot using SPL
In-Reply-To: <1361214473-31182-1-git-send-email-msm@freescale.com> (from
	msm@freescale.com on Mon Feb 18 13:07:53 2013)
References: <1360974866.6960.9@snotra>
	<1361214473-31182-1-git-send-email-msm@freescale.com>
Message-ID: <1361215128.14186.15@snotra>
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To: u-boot@lists.denx.de

On 02/18/2013 01:07:53 PM, Matthew McClintock wrote:
> @@ -118,6 +172,7 @@
>   * Localbus non-cacheable
>   * 0xe000_0000	0xe80f_ffff	Promjet/free		128M  
> non-cacheable
>   * 0xe800_0000	0xefff_ffff	FLASH			128M  
> non-cacheable
> + * 0xff80_0000	0xff80_1fff	NAND			8K  
> non-cacheable
>   * 0xffdf_0000	0xffdf_7fff	PIXIS			32K  
> non-cacheable TLB0
>   * 0xffd0_0000	0xffd0_3fff	L1 for stack		16K  
> Cacheable TLB0
>   * 0xffe0_0000	0xffef_ffff	CCSR			1M  
> non-cacheable

This says 8K...

> +/* NAND flash config */
> +#define CONFIG_SYS_NAND_BR_PRELIM   
> (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
> +			       | (2<<BR_DECC_SHIFT)    /* Use HW ECC */  
> \
> +			       | BR_PS_8	       /* Port Size = 8  
> bit */ \
> +			       | BR_MS_FCM	       /* MSEL = FCM */  
> \
> +			       | BR_V)		       /* valid */
> +#define CONFIG_SYS_NAND_OR_PRELIM  (OR_AM_256KB	       /*  
> length 256K */ \
> +			       | OR_FCM_PGS	       /* Large Page*/ \
> +			       | OR_FCM_CSCT \
> +			       | OR_FCM_CST \
> +			       | OR_FCM_CHT \
> +			       | OR_FCM_SCY_1 \
> +			       | OR_FCM_TRLX \
> +			       | OR_FCM_EHTR)

...this says 256K.

IIRC the minimum for localbus is 32K.

-Scott