Re: [U-Boot] [RFC PATCH v2 4/5] dra7x: boot: add dfu bootmode support

[Tom Rini]

On Thu, Jul 21, 2016 at 08:23:16PM +0530, Ravi Babu wrote:

> This patch enables the DFU boot mode support
> for dra7x platform.
> 
> Signed-off-by: Ravi Babu <ravib...@ti.com>
> ---
>  arch/arm/cpu/armv7/omap-common/boot-common.c |    5 +++++
>  arch/arm/include/asm/arch-omap5/spl.h        |    2 +-
>  common/spl/spl.c                             |   10 +++++++++-
>  3 files changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c 
> b/arch/arm/cpu/armv7/omap-common/boot-common.c
> index 60c367a..385310b 100644
> --- a/arch/arm/cpu/armv7/omap-common/boot-common.c
> +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
> @@ -91,6 +91,11 @@ void save_omap_boot_params(void)
>                       sys_boot_device = 1;
>                       break;
>  #endif
> +#if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU_SUPPORT)
> +             case BOOT_DEVICE_DFU:
> +                     sys_boot_device = 1;
> +                     break;
> +#endif
>       }
>  
>       if (sys_boot_device) {
> diff --git a/arch/arm/include/asm/arch-omap5/spl.h 
> b/arch/arm/include/asm/arch-omap5/spl.h
> index 468ff5a..3582880 100644
> --- a/arch/arm/include/asm/arch-omap5/spl.h
> +++ b/arch/arm/include/asm/arch-omap5/spl.h
> @@ -20,7 +20,7 @@
>  #define BOOT_DEVICE_QSPI_1   0x0A
>  #define BOOT_DEVICE_QSPI_4   0x0B
>  #define BOOT_DEVICE_UART     0x43
> -#define BOOT_DEVICE_USB              0x45
> +#define BOOT_DEVICE_DFU              0x45

So you're breaking regular USB gadget support with this change, on these
platforms, yes?

-- 
Tom

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