On 05/08/2017 01:38, Stefan Agner wrote:
> From: Stefan Agner <stefan.ag...@toradex.com>
> 
> Support U-Boot images in SPL so that u-boot.img files can be
> directly downloaded and executed. Furthermore support U-Boot
> scripts download and execution in full U-Boot so that custom
> recovery actions can be downloaded from the host in a third
> step.
> 
> Signed-off-by: Stefan Agner <stefan.ag...@toradex.com>
> ---
> 
>  drivers/usb/gadget/f_sdp.c | 20 ++++++++++++++++++--
>  1 file changed, 18 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/f_sdp.c b/drivers/usb/gadget/f_sdp.c
> index eb89695aaf..9a752843f0 100644
> --- a/drivers/usb/gadget/f_sdp.c
> +++ b/drivers/usb/gadget/f_sdp.c
> @@ -29,6 +29,8 @@
>  #include <asm/io.h>
>  #include <g_dnl.h>
>  #include <sdp.h>
> +#include <spl.h>
> +#include <image.h>
>  #include <imximage.h>
>  
>  #define HID_REPORT_ID_MASK   0x000000ff
> @@ -672,8 +674,22 @@ static void sdp_handle_in_ep(void)
>               sdp_func->state = SDP_STATE_TX_REGISTER_BUSY;
>               break;
>       case SDP_STATE_JUMP:
> -             printf("Checking imxheader at 0x%08x\n", f_sdp->jmp_address);
> -             status = sdp_jump_imxheader((void *)f_sdp->jmp_address);
> +             printf("Jumping to header at 0x%08x\n", sdp_func->jmp_address);
> +             status = sdp_jump_imxheader((void *)sdp_func->jmp_address);
> +
> +             /* If imx header fails, try some U-Boot specific headers */
> +             if (status) {
> +#ifdef CONFIG_SPL_BUILD
> +                     /* In SPL, allow jumps to U-Boot images */
> +                     struct spl_image_info spl_image = {};
> +                     spl_parse_image_header(&spl_image,
> +                             (struct image_header *)sdp_func->jmp_address);
> +                     jump_to_image_no_args(&spl_image);
> +#else
> +                     /* In U-Boot, allow jumps to scripts */
> +                     source(sdp_func->jmp_address, "script@1");
> +#endif
> +             }
>  
>               sdp_func->next_state = SDP_STATE_IDLE;
>               sdp_func->error_status = status;
> 

Reviewed-by: Stefano Babic <sba...@denx.de>

Best regards,
Stefano Babic

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