Re: [PATCH V4 3/8] arm: mach-k3: am625: Add support for UDA FS

[Mattijs Korpershoek <mkorpershoek@baylibre.com>]

On mar., août 22, 2023 at 13:41, Nishanth Menon <nm@ti.com> wrote:

> While boot partition support with EMMC boot is useful, it is
> constrained by the size of boot hardware partition itself.
>
> In the case of K3 devices, tispl images can contain OP-TEE images that
> can substantially vary in size and the u-boot image itself can vary over
> time as we enable various features.
>
> So use the CSD information in the case of EMMC_BOOT configuration being
> enabled to pick boot partition or UDA FS mode operation to pick.
>
> If EMMC_BOOT is disabled, then depend on filesystem configuration to
> pick data from UDA.
>
> Signed-off-by: Nishanth Menon <nm@ti.com>

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

> ---
> New patch
>  arch/arm/mach-k3/am625_init.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/mach-k3/am625_init.c b/arch/arm/mach-k3/am625_init.c
> index 0e5d44269ebf..ad61030a56fa 100644
> --- a/arch/arm/mach-k3/am625_init.c
> +++ b/arch/arm/mach-k3/am625_init.c
> @@ -228,7 +228,13 @@ u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
>  
>  	switch (bootmode) {
>  	case BOOT_DEVICE_EMMC:
> +#if CONFIG_IS_ENABLED(SUPPORT_EMMC_BOOT)
> +		return (spl_mmc_emmc_boot_partition(mmc) ? MMCSD_MODE_EMMCBOOT : MMCSD_MODE_FS);
> +#elif defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
> +		return MMCSD_MODE_FS;
> +#else
>  		return MMCSD_MODE_EMMCBOOT;
> +#endif
>  	case BOOT_DEVICE_MMC:
>  		if (bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_MASK)
>  			return MMCSD_MODE_RAW;
> -- 
> 2.40.0