[PATCH] cadence_qspi: Update the delays for flash reset

Michal Simek michal.simek at amd.com
Wed Nov 26 19:21:49 CET 2025


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;
 }
-- 
2.43.0

base-commit: 5f6d6db9c301daf10ddb707a9031f1a467d6ebf1
branch: debian-sent3


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