[U-Boot] [PATCH 2/2] ORIGEN: Add MMC SPL support

[Minkyu Kang]

Dear Chander Kashyap ,

On 27 June 2011 17:37, Chander Kashyap <chander.kashyap at linaro.org> wrote:
> Adds mmc boot support.
>
> Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
> ---
>  mmc_spl/board/samsung/origen/Makefile             |  105 ++++++++++++++++
>  mmc_spl/board/samsung/origen/mmc_boot.c           |   75 +++++++++++
>  mmc_spl/board/samsung/origen/tools/mkv310_image.c |  139 +++++++++++++++++++++
>  mmc_spl/board/samsung/origen/u-boot.lds           |   86 +++++++++++++
>  4 files changed, 405 insertions(+), 0 deletions(-)
>  create mode 100644 mmc_spl/board/samsung/origen/Makefile
>  create mode 100644 mmc_spl/board/samsung/origen/mmc_boot.c
>  create mode 100644 mmc_spl/board/samsung/origen/tools/mkv310_image.c
>  create mode 100644 mmc_spl/board/samsung/origen/u-boot.lds
>
> diff --git a/mmc_spl/board/samsung/origen/tools/mkv310_image.c b/mmc_spl/board/samsung/origen/tools/mkv310_image.c
> new file mode 100644
> index 0000000..51f16f2
> --- /dev/null
> +++ b/mmc_spl/board/samsung/origen/tools/mkv310_image.c
> @@ -0,0 +1,139 @@
> +/*
> + * Copyright (C) 2011 Samsung Electronics
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <fcntl.h>
> +#include <errno.h>
> +#include <string.h>

please apply Dirk Behme's patch here.
http://patchwork.ozlabs.org/patch/104270/

> +
> +#define BUFSIZE                        (16*1024)
> +#define IMG_SIZE               (16*1024)
> +#define HEADER_SIZE            16
> +#define FILE_PERM              (S_IRUSR | S_IWUSR | S_IRGRP \
> +                               | S_IWGRP | S_IROTH | S_IWOTH)
> +/*
> +* Requirement:
> +* IROM code reads first 14K bytes from boot device.
> +* It then calculates the checksum of 14K-4 bytes and compare with data at
> +* 14K-4 offset.
> +*
> +* This function takes two filenames:
> +* IN  "u-boot-spl.bin" and
> +* OUT "u-boot-mmc-spl.bin" as filenames.
> +* It reads the "u-boot-spl.bin" in 16K buffer.
> +* It calculates checksum of 14K-4 Bytes and stores at 14K-4 offset in buffer.
> +* It writes the buffer to "u-boot-mmc-spl.bin" file.
> +*/
> +

Thanks
Minkyu Kang
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