Re: [PATCH v2] configs: zynqmp_kria: Deactivate CONFIG_SPI_FLASH_BAR

[Michal Simek <michal.simek@amd.com>]

On 4/9/24 11:48, Tejas Bhumkar wrote:
> The Kria board features a recovery application that activates
> when the FW_EN button is pressed.
> Upon power-up flash operates in 3B mode, However, the recovery
> application changes it back to 4B mode.
> Currently, after a reset, u-boot activates CONFIG_SPI_FLASH_BAR
> and assumes the flash is in 3B mode. However, there's no code
> or reset lines connected to the flash that could return it to
> 3B mode. To resolve this issue, changes were made to disable
> CONFIG_SPI_FLASH_BAR, which activates 4-byte opcodes.
> 
> Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com>
> ---
> Changes in v2: Updated commit message.
> 
>   configs/xilinx_zynqmp_kria_defconfig | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/configs/xilinx_zynqmp_kria_defconfig b/configs/xilinx_zynqmp_kria_defconfig
> index 7cb8b62d32..7af8b27be9 100644
> --- a/configs/xilinx_zynqmp_kria_defconfig
> +++ b/configs/xilinx_zynqmp_kria_defconfig
> @@ -155,7 +155,6 @@ CONFIG_MMC_HS200_SUPPORT=y
>   CONFIG_MMC_SDHCI=y
>   CONFIG_MMC_SDHCI_ZYNQ=y
>   CONFIG_DM_MTD=y
> -CONFIG_SPI_FLASH_BAR=y
>   CONFIG_SPI_FLASH_STMICRO=y
>   # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
>   CONFIG_SPI_FLASH_MTD=y

Applied.
M