[U-Boot] [PATCH 2/3] am43xx_evm: add usb host boot support

[Tom Rini]

On Wed, Jun 10, 2015 at 03:04:16PM +0530, Mugunthan V N wrote:

> While booting via usb host mode, ROM uses DMA to copy MLO over USB so
> ARM internal RAM cannot be used. Adding USB host boot support by
> introducing new config target which sets SPL_TEXT_BASE to OCMC ram.
> 
> Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
> ---
>  configs/am43xx_evm_usbhost_boot_defconfig | 5 +++++
>  include/configs/am43xx_evm.h              | 9 +++++++++
>  2 files changed, 14 insertions(+)
>  create mode 100644 configs/am43xx_evm_usbhost_boot_defconfig
> 
> diff --git a/configs/am43xx_evm_usbhost_boot_defconfig b/configs/am43xx_evm_usbhost_boot_defconfig
> new file mode 100644
> index 0000000..9455707
> --- /dev/null
> +++ b/configs/am43xx_evm_usbhost_boot_defconfig
> @@ -0,0 +1,5 @@
> +CONFIG_ARM=y
> +CONFIG_TARGET_AM43XX_EVM=y
> +CONFIG_SPL=y
> +CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,NAND,USBHOST_BOOT"
> +CONFIG_CMD_NET=y

We need to be adding USBHOST_BOOT in Kconfig and that's a bit too
generic of a name.  It should perhaps be removed all together and only
set CONFIG_SPL_USB_HOST_SUPPORT for this build and not include it in the
rest.

-- 
Tom
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