[PATCH 1/5] spl: mmc: Support OP-TEE payloads in Falcon mode

[Alex G. <mr.nuke.me@gmail.com>]

This series was re-sent in error. Please ignore.

On 2/4/21 1:55 PM, Alexandru Gagniuc wrote:
> In general, Falcon mode means we're booting a linux kernel directly.
> With FIT images, however, an OP-TEE secure kernel can be booted before
> linux. Thus, if the next stage is an IH_OS_TEE, this isn't necessarily
> a problem.
> 
> Of course, a general solution would involve mmc_load_image_raw_os()
> only loading the binary, and leaving the decision of suitability to
> someone else. However, a rework of the boot flow is beyond the scope
> of this patch. Accept IH_OS_TEE as a valid OS value.
> 
> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
> ---
>   common/spl/spl_mmc.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
> index add2785b4e..bab558d055 100644
> --- a/common/spl/spl_mmc.c
> +++ b/common/spl/spl_mmc.c
> @@ -230,8 +230,10 @@ static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
>   	if (ret)
>   		return ret;
>   
> -	if (spl_image->os != IH_OS_LINUX) {
> -		puts("Expected Linux image is not found. Trying to start U-boot\n");
> +	if (spl_image->os != IH_OS_LINUX && spl_image->os != IH_OS_TEE) {
> +		puts("Expected OS image is not found. Instead found ");
> +		puts(genimg_get_os_name(spl_image->os));
> +		puts(". Trying to start U-boot\n");
>   		return -ENOENT;
>   	}
>   
>