[U-Boot] [PATCH v2 07/10] tegra20: add SPL config options for seaboard

[Stephen Warren <swarren@wwwdotorg.org>]

On 06/05/2012 03:20 PM, Allen Martin wrote:
> Add SPL options to tegra20 config files and enable SPL build for
> seaboard in boards.cfg

> diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h

> +/* include overrides for SPL build */
> +#ifdef CONFIG_SPL_BUILD
> +#include "tegra2-spl.h"
> +#endif

Perhaps we should add that to include/configs/tegra2-common-post.h,
which I think all Tegra config headers now include at the end.

> diff --git a/include/configs/tegra2-common.h b/include/configs/tegra2-common.h

> +/* Defines for SPL */
> +#define CONFIG_SPL
> +#define CONFIG_SPL_NAND_SIMPLE
> +#define CONFIG_SPL_TEXT_BASE		0x00008000
> +#define CONFIG_SPL_MAX_SIZE		0x00078000
> +#define CONFIG_SYS_SPL_MALLOC_START	0x00080000
> +#define CONFIG_SYS_SPL_MALLOC_SIZE	0x00010000
> +#define CONFIG_SPL_STACK		0x0009fffc
> +
> +#define CONFIG_SPL_LIBCOMMON_SUPPORT
> +#define CONFIG_SPL_LIBGENERIC_SUPPORT
> +#define CONFIG_SPL_SERIAL_SUPPORT

> +#define CONFIG_SPL_POWER_SUPPORT

I'm not sure what that's for?

> +#define CONFIG_SPL_GPIO_SUPPORT

I believe only Seaboard needs that, not all boards. It'd be nice if we
could just ignore the crufy SPI/GPIO switch on Seaboard too and punt
this. Does anyone actually boot Seaboard using SPI? I use NAND and Tom
uses eMMC...

> diff --git a/include/configs/tegra2-spl.h b/include/configs/tegra2-spl.h

> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.

Being a new file, this should be GPLv2 not GPLv2+.

> +/* remove devicetree support */
> +#ifdef CONFIG_OF_CONTROL
> +#undef CONFIG_OF_CONTROL
> +#endif

I don't /think/ #undef complains if the define isn't defined?

Perhaps this (and the others) are better approached by not defining all
these if building SPL though - what if a particular board's SPL actually
wanted any of these?