On Wed, 2015-04-29 at 17:02 +0200, Daniel Kochmański wrote:
> diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
> index 9d59fbb..7c44de1 100644
> --- a/common/spl/spl_nand.c
> +++ b/common/spl/spl_nand.c
> @@ -2,6 +2,9 @@
>   * Copyright (C) 2011
>   * Corscience GmbH & Co. KG - Simon Schwarz <schw...@corscience.de>
>   *
> + * Copyright (C) 2015
> + * Turtle Solutions - Daniel Kochmański <dkochman...@turtle-solutions.eu>
> + *
>   * SPDX-License-Identifier:  GPL-2.0+
>   */
>  #include <common.h>
> @@ -90,9 +93,28 @@ void spl_nand_load_image(void)
>       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
>                           sizeof(*header), (void *)header);
>       spl_parse_image_header(header);
> -     nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
> -                         spl_image.size,
> -                         (void *)(unsigned long)spl_image.load_addr);
> +     if (header->ih_os == IH_OS_U_BOOT) {
> +             nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
> +                                 spl_image.size,
> +                                 (void *)(unsigned long)spl_image.load_addr);
> +             nand_deselect();
> +             return;
> +     }
> +     puts("U-boot header didn't match.\n");
> +#ifdef CONFIG_SYS_NAND_U_BOOT_BACKUP_OFFS
> +     puts("Trying to start backup u-boot now...\n");
> +     nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_BACKUP_OFFS,
> +                         sizeof(*header), (void *)header);
> +     spl_parse_image_header(header);
> +     if (header->ih_os == IH_OS_U_BOOT) {
> +             nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_BACKUP_OFFS,
> +                                 spl_image.size,
> +                                 (void *)(unsigned long)spl_image.load_addr);
> +             nand_deselect();
> +             return;
> +     }
> +#endif

Factor this code into a function that is called twice rather than
repeating everything.

-Scott


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