[U-Boot-Users] [PATCH 1/7] 83xx: nand support for MPC837XRDB boards

Scott Wood scottwood at freescale.com
Tue Mar 18 00:02:29 CET 2008


On Fri, Mar 14, 2008 at 11:19:42PM +0300, Anton Vorontsov wrote:
> -#define CFG_VSC7385_BASE	0xF0000000
> +/*
> + * NAND Flash on the Local Bus
> + */
> +#define CFG_NAND_BASE		0xE0600000	/* 0xE0600000 */
> +#define CFG_BR1_PRELIM		(CFG_NAND_BASE | \
> +				 (2 << BR_DECC_SHIFT) |	/* Use HW ECC */ \
> +				 BR_PS_8 |		/* Port Size = 8 bit */ \
> +				 BR_MS_FCM |		/* MSEL = FCM */ \
> +				 BR_V)			/* valid */
> +#define CFG_OR1_PRELIM		(0xFFFF8000 |		/* length 32K */ \
> +				 OR_FCM_CSCT | \
> +				 OR_FCM_CST | \
> +				 OR_FCM_CHT | \
> +				 OR_FCM_SCY_1 | \
> +				 OR_FCM_TRLX | \
> +				 OR_FCM_EHTR)

Again, are you sure about this SCY value?  Note that the Linux driver resets
it due to existing 8313 u-boots out there that have the wrong value (I'd
send a patch to fix it if I know the correct value), so remove that to see
what actually happens with SCY_1.

> -/* VSC7385 Gigabit Switch support */
> +/*
> + * VSC7385 Gigabit Switch support
> + */
> +#define CFG_VSC7385_BASE	0xF0000000

What does this have to do with NAND?

-Scott




More information about the U-Boot mailing list