[PATCH] configs: zynqmp: Add usb_pgood_delay for SOM boards

Michal Simek michal.simek at amd.com
Tue Jan 14 08:32:37 CET 2025



On 1/7/25 13:29, Prasad Kummari wrote:
> Add usb_pgood_delay to ensure proper detection of USB devices.
> Increase the USB power good delay on the SOM boards, as this
> is required for certain USB sticks otherwise, they may not
> be detected.
> 
> Signed-off-by: Prasad Kummari <prasad.kummari at amd.com>
> ---
>   board/xilinx/zynqmp/zynqmp_kria.env | 1 +
>   include/configs/xilinx_zynqmp.h     | 1 +
>   2 files changed, 2 insertions(+)
> 
> diff --git a/board/xilinx/zynqmp/zynqmp_kria.env b/board/xilinx/zynqmp/zynqmp_kria.env
> index ff3a0924de..c0a22fbf67 100644
> --- a/board/xilinx/zynqmp/zynqmp_kria.env
> +++ b/board/xilinx/zynqmp/zynqmp_kria.env
> @@ -43,6 +43,7 @@ script_size_f=0x80000
>   scriptaddr=0x20000000
>   usb_boot=usb start; if usb dev ${devnum}; then devtype=usb; run scan_dev_for_boot_part; fi
>   preboot=setenv boot_targets; setenv modeboot; run board_setup
> +usb_pgood_delay=1000
>   
>   # SOM specific boot methods
>   usb_boot_devices='usb0 usb1 usb2 usb3 usb4'
> diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
> index bb0db7c5ca..13941ba358 100644
> --- a/include/configs/xilinx_zynqmp.h
> +++ b/include/configs/xilinx_zynqmp.h
> @@ -179,6 +179,7 @@
>   #ifndef CFG_EXTRA_ENV_SETTINGS
>   #define CFG_EXTRA_ENV_SETTINGS \
>   	ENV_MEM_LAYOUT_SETTINGS \
> +	"usb_pgood_delay=1000\0" \
>   	BOOTENV
>   #endif
>   

The patch looks good but it didn't land in u-boot mailing list and lore.
Can you please send it again?

Thanks,
Michal


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