[PATCH] configs: j7200_evm_a72_defconfig: Re-enable CONFIG_MUX_MMIO

[Siddharth Vadapalli]

On Mon, Jan 27, 2025 at 09:53:33PM +0530, Siddharth Vadapalli wrote:

+Vaishnav. I had accidentally sent the patch to the wrong email address.

> Commit under Fixes which claimed to enable configs for Hyperflash, changed
> "CONFIG_MUX_MMIO=y" to "CONFIG_SPL_MUX_MMIO=y" in j7200_evm_a72_defconfig.
> As a result, PCIe functionality in U-Boot prior was broken, since the PCIe
> driver depends on the SERDES Lane Muxing to be setup for PCIe, which is
> done by the drivers/mux/mmio.c driver.
> 
> Fix this by re-enabling CONFIG_MUX_MMIO.
> 
> Fixes: 038f6faea9f0 ("configs: j7200_evm_*_defconfig: Add configs for Hyperflash boot")
> Signed-off-by: Siddharth Vadapalli <s-vadapalli at ti.com>
> ---
> 
> Hello,
> 
> This patch is based on commit
> d8a7100d658 Subtree merge tag 'v6.13-dts' of dts repo [1] into dts/upstream
> of the Master branch of U-Boot.
> 
> Logs verifying PCIe functionality by enumerating an NVMe SSD at U-Boot with
> this patch applied:
> https://gist.github.com/Siddharth-Vadapalli-at-TI/12c245ad0b5db83c6dacf56a329f5009
> 
> Regards,
> Siddharth.
> 
>  configs/j7200_evm_a72_defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/configs/j7200_evm_a72_defconfig b/configs/j7200_evm_a72_defconfig
> index e1ef6e86d49..ac5b10ba149 100644
> --- a/configs/j7200_evm_a72_defconfig
> +++ b/configs/j7200_evm_a72_defconfig
> @@ -144,6 +144,7 @@ CONFIG_SPI_FLASH_S28HX_T=y
>  # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
>  CONFIG_SPI_FLASH_MTD=y
>  CONFIG_MULTIPLEXER=y
> +CONFIG_MUX_MMIO=y
>  CONFIG_PHY_TI_DP83869=y
>  CONFIG_PHY_FIXED=y
>  CONFIG_TI_AM65_CPSW_NUSS=y
> -- 
> 2.43.0
>