[PATCH] cadence_qspi: Update the delays for flash reset

Michal Simek michal.simek at amd.com
Wed Dec 10 08:36:19 CET 2025



On 11/26/25 19:21, Michal Simek wrote:
> From: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
> 
> Updating the delays for flash reset in the mini u-boot case.
> These experimental delay values by looking at different flash device
> vendors datasheets.
> 
> Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
> 
>   drivers/spi/cadence_ospi_versal.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/spi/cadence_ospi_versal.c b/drivers/spi/cadence_ospi_versal.c
> index 0efbbf56a5e3..e3ddf127e5a8 100644
> --- a/drivers/spi/cadence_ospi_versal.c
> +++ b/drivers/spi/cadence_ospi_versal.c
> @@ -178,15 +178,15 @@ int cadence_qspi_flash_reset(struct udevice *dev)
>   
>   	/* Disable Tri-state */
>   	writel((readl(BANK0_TRI) & ~BIT(FLASH_RESET_GPIO)), BANK0_TRI);
> -	udelay(1);
> +	udelay(5);
>   
>   	/* Set value 0 to pin */
>   	writel((readl(BANK0_OUTPUT) & ~BIT(FLASH_RESET_GPIO)), BANK0_OUTPUT);
> -	udelay(10);
> +	udelay(150);
>   
>   	/* Set value 1 to pin */
>   	writel((readl(BANK0_OUTPUT) | BIT(FLASH_RESET_GPIO)), BANK0_OUTPUT);
> -	udelay(10);
> +	udelay(1200);
>   
>   	return 0;
>   }

Applied.
M


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