[U-Boot] [PATCH 2/2] ARM: omap3: Add CONFIG_SPL_BOARD_INIT for CONFIG_SPL_MMC_SUPPORT

[Thomas Weber <thomas.weber.linux@googlemail.com>]

Hello Tom & Peter,

On 05/08/12 19:29, Tom Rini wrote:
> As originally reported against beagleboard we currently have the
> following error message reported in SPL:
>
> U-Boot SPL 2012.04-00020-gb8310b9-dirty (Apr 25 2012 - 18:49:57)
> Texas Instruments Revision detection unimplemented
> OMAP SD/MMC: 0
> timed out in wait_for_bb: I2C_STAT=1000
> reading u-boot.img
> ....
>
> The reason for above message is that when booting from MMC, I2C needs to
> be initialized to talk with the TWL4030.  On OMAP3 I2C is only
> initalized in SPL if CONFIG_SPL_BOARD_INIT is set.
On Tricorder there is no such message. I thought the I2C to TWL4030 is 
initialized by the ROM code.
And why can the SPL read the u-boot.img in the  next step?

Thomas
> Cc: Thomas Weber<weber@corscience.de>
> Cc: Steve Sakoman<sakoman@gmail.com>
>
> Original patch for Beagleboard is:
> Signed-off-by: Peter Meerwald<p.meerwald@bct-electronic.com>
>
> Extended to cover all other boards:
> Signed-off-by: Tom Rini<trini@ti.com>
> ---
>   include/configs/omap3_beagle.h     |    1 +
>   include/configs/omap3_evm_common.h |    1 +
>   include/configs/omap3_overo.h      |    1 +
>   include/configs/tricorder.h        |    1 +
>   4 files changed, 4 insertions(+)
>
> diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
> index 6bdc2c3..b891ee4 100644
> --- a/include/configs/omap3_beagle.h
> +++ b/include/configs/omap3_beagle.h
> @@ -410,6 +410,7 @@
>   #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION	1
>   #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
>
> +#define CONFIG_SPL_BOARD_INIT
>   #define CONFIG_SPL_LIBCOMMON_SUPPORT
>   #define CONFIG_SPL_LIBDISK_SUPPORT
>   #define CONFIG_SPL_I2C_SUPPORT
> diff --git a/include/configs/omap3_evm_common.h b/include/configs/omap3_evm_common.h
> index 47ebbef..7b21a5c 100644
> --- a/include/configs/omap3_evm_common.h
> +++ b/include/configs/omap3_evm_common.h
> @@ -288,6 +288,7 @@
>   #define CONFIG_SPL_BSS_START_ADDR	0x80000000
>   #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
>
> +#define CONFIG_SPL_BOARD_INIT
>   #define CONFIG_SPL_LIBCOMMON_SUPPORT
>   #define CONFIG_SPL_LIBDISK_SUPPORT
>   #define CONFIG_SPL_I2C_SUPPORT
> diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
> index b0d144f..a0a7a1c 100644
> --- a/include/configs/omap3_overo.h
> +++ b/include/configs/omap3_overo.h
> @@ -317,6 +317,7 @@
>   #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION	1
>   #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
>
> +#define CONFIG_SPL_BOARD_INIT
>   #define CONFIG_SPL_LIBCOMMON_SUPPORT
>   #define CONFIG_SPL_LIBDISK_SUPPORT
>   #define CONFIG_SPL_I2C_SUPPORT
> diff --git a/include/configs/tricorder.h b/include/configs/tricorder.h
> index ab911aa..9955fca 100644
> --- a/include/configs/tricorder.h
> +++ b/include/configs/tricorder.h
> @@ -278,6 +278,7 @@
>   #define CONFIG_SPL
>   #define CONFIG_SPL_NAND_SIMPLE
>
> +#define CONFIG_SPL_BOARD_INIT
>   #define CONFIG_SPL_LIBCOMMON_SUPPORT
>   #define CONFIG_SPL_LIBDISK_SUPPORT
>   #define CONFIG_SPL_I2C_SUPPORT