diff options
| author | Venkatesh Yadav Abbarapu <[email protected]> | 2025-11-26 19:21:49 +0100 |
|---|---|---|
| committer | Michal Simek <[email protected]> | 2025-12-19 08:25:27 +0100 |
| commit | b6391d1d9b3d04c1986b3ce7951528f8fde76bbd (patch) | |
| tree | 39b71a551074f9f3d97f1685bff4d47f71fceb4e /drivers | |
| parent | 857a3b49c36e3fc53c4a5e1280216359ab2b92bf (diff) | |
cadence_qspi: Update the delays for flash reset
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 <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/3fd0641a164a4d628fdf28a94771829f3bf9cb0c.1764181308.git.michal.simek@amd.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/cadence_ospi_versal.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/spi/cadence_ospi_versal.c b/drivers/spi/cadence_ospi_versal.c index 0efbbf56a5e..e3ddf127e5a 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; } |