[PATCH] i.MX27: Export boot source to magic variables

[Sascha Hauer]

On Sun, Mar 25, 2012 at 09:15:16PM +0400, Alexander Shiyan wrote:
> 
> Signed-off-by: Alexander Shiyan <shc_work at mail.ru>

Applied, thanks

Sascha

> ---
>  arch/arm/mach-imx/boot.c |   27 ++++++++++++++++++++++++++-
>  1 files changed, 26 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
> index 8b82655..9f2def6 100644
> --- a/arch/arm/mach-imx/boot.c
> +++ b/arch/arm/mach-imx/boot.c
> @@ -86,9 +86,34 @@ static int imx_25_35_boot_save_loc(void)
>  
>  	return 0;
>  }
> -
>  coredevice_initcall(imx_25_35_boot_save_loc);
>  
>  BAREBOX_MAGICVAR(barebox_loc, "The source barebox has been booted from");
> +#endif
> +
> +#if defined(CONFIG_ARCH_IMX27)
> +static int imx_27_boot_save_loc(void)
> +{
> +	switch ((GPCR & GPCR_BOOT_MASK) >> GPCR_BOOT_SHIFT) {
> +	case GPCR_BOOT_UART_USB:
> +		setenv("barebox_loc", "serial");
> +		break;
> +	case GPCR_BOOT_8BIT_NAND_2k:
> +	case GPCR_BOOT_16BIT_NAND_2k:
> +	case GPCR_BOOT_16BIT_NAND_512:
> +	case GPCR_BOOT_8BIT_NAND_512:
> +		setenv("barebox_loc", "nand");
> +		break;
> +	default:
> +		setenv("barebox_loc", "nor");
> +		break;
> +	}
>  
> +	export("barebox_loc");
> +
> +	return 0;
> +}
> +coredevice_initcall(imx_27_boot_save_loc);
> +
> +BAREBOX_MAGICVAR(barebox_loc, "The source barebox has been booted from");
>  #endif
> -- 
> 1.7.3.4
> 
> 
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> 

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