[U-Boot] [PATCH 3/5] nand: sunxi: Add secondary U-Boot offset on second syndrome partition

[Scott Wood <scottwood@freescale.com>]

On Wed, 2015-04-29 at 17:02 +0200, Daniel Kochma?ski 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 <schwarz@corscience.de>
>   *
> + * Copyright (C) 2015
> + * Turtle Solutions - Daniel Kochma?ski <dkochmanski@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