[U-Boot] [PATCH v2] am43xx_evm: Add DFU support for qspi flash

[Vignesh R]

On 10/22/2015 11:30 AM, Vignesh R wrote:
> This adds support to update firmware on qspi flash present on
> am437x-sk-evm and am43xx-epos-evm via DFU.
> 
> On device:
> => setenv dfu_alt_info ${dfu_alt_info_qspi}
> => dfu 0 sf 0:0
> 
> On host:
> $ sudo dfu-util -l
> $ sudo dfu-util -D u-boot.bin -a u-boot.bin
> 
> Signed-off-by: Vignesh R <vigneshr at ti.com>
> ---

Gentle ping...

> 
> v2:
>  * change u-boot.img to u-boot.bin.
> 
> Tested on am437x-sk-evm by flashing u-boot.bin and zImage and verified
> by reading back u-boot.bin and zImage in kernel.
> QSPI XIP boot itself is broken on u-boot mainline (even w/o this patch),
> hence cannot verify XIP boot using DFU.
> 
>  include/configs/am43xx_evm.h | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
> index 67d5c48ddeb6..e3b7817cc3d9 100644
> --- a/include/configs/am43xx_evm.h
> +++ b/include/configs/am43xx_evm.h
> @@ -165,11 +165,22 @@
>  	"fdt ram 0x80f80000 0x80000;" \
>  	"ramdisk ram 0x81000000 0x4000000\0"
>  
> +#define CONFIG_DFU_SF
> +#define DFU_ALT_INFO_QSPI \
> +	"dfu_alt_info_qspi=" \
> +	"u-boot.bin raw 0x0 0x080000;" \
> +	"u-boot.backup raw 0x080000 0x080000;" \
> +	"u-boot-spl-os raw 0x100000 0x010000;" \
> +	"u-boot-env raw 0x110000 0x010000;" \
> +	"u-boot-env.backup raw 0x120000 0x010000;" \
> +	"kernel raw 0x130000 0x800000\0"
> +
>  #define DFUARGS \
>  	"dfu_bufsiz=0x10000\0" \
>  	DFU_ALT_INFO_MMC \
>  	DFU_ALT_INFO_EMMC \
> -	DFU_ALT_INFO_RAM
> +	DFU_ALT_INFO_RAM \
> +	DFU_ALT_INFO_QSPI
>  #else
>  #define DFUARGS
>  #endif
> 

-- 
Regards
Vignesh