[U-Boot] [u-boot][RFC v1] sdp4430: Enable Falcon boot mode for mmc (RAW and FAT)

[Tom Rini]

On Tue, Aug 06, 2013 at 02:05:05PM +0300, Oleksandr Tyshchenko wrote:

> Add support to boot Linux directly from U-Boot SPL via eMMC
> (or RAW SD Cards) and FAT SD Cards. Jump into full U-Boot if
> a corresponding button is pressed.
> 
> Also define new CONFIG_BOOTCOMMAND to add ability for full U-Boot
> to boot Linux via eMMC (or RAW SD cards) and FAT SD Cards in
> case of using CONFIG_SPL_OS_BOOT feature. Set MMCDEV_DEFAULT to 1
> in CONFIG_EXTRA_ENV_SETTINGS, since the target device is mmc1 (eMMC).
> 
> Also enable the spl command in the full U-Boot so the kernel
> parameter area snapshot can be created.
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr.tyshchenko at ti.com>

My only question is:

> @@ -43,9 +49,11 @@
>  #endif
>  
>  /* ENV related config options */
> -#define CONFIG_ENV_IS_IN_MMC		1
> +#define CONFIG_ENV_IS_NOWHERE		1	/* for now */
> +#ifdef CONFIG_ENV_IS_IN_MMC
>  #define CONFIG_SYS_MMC_ENV_DEV		1	/* SLOT2: eMMC(1) */
>  #define CONFIG_ENV_OFFSET		0xE0000
> +#endif
>  #define CONFIG_CMD_SAVEENV
>  
>  #define CONFIG_SYS_PROMPT		"OMAP4430 SDP # "

Why are we taking env in eMMC support away by default?  Is this related
to using the boot partitions?  If so, shouldn't we re-work this to fit
that use as well (maybe use the 2nd boot partition for env?).  Thanks.

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20130828/12a0a1ff/attachment.pgp>