[PATCH 1/2] arm: mach-k3: add support for detecting TIFSSTUB images

[Neha Malcom Francis]

Hi Dhruva,

On 03/04/24 17:33, Dhruva Gole wrote:
> From: Kamlesh Gurudasani <kamlesh at ti.com>
> 
> Add support for detecting and processing TIFSSTUB images for HS, HSFS
> and GP devices.
> 
> TIFSSTUB image for related device type will be loaded, rest TIFSSTUB
> images will be discarded.
> 
> Example, for GP device, tifsstub-gp will be loaded, tifsstub-hs and
> tifsstub-fs will be discarded.
> 
> Signed-off-by: Kamlesh Gurudasani <kamlesh at ti.com>
> Signed-off-by: Dhruva Gole <d-gole at ti.com>
> ---
>   arch/arm/mach-k3/r5/common.c | 24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/mach-k3/r5/common.c b/arch/arm/mach-k3/r5/common.c
> index c02f8d330998..0f6c294f1eb2 100644
> --- a/arch/arm/mach-k3/r5/common.c
> +++ b/arch/arm/mach-k3/r5/common.c
> @@ -24,6 +24,9 @@ enum {
>   	IMAGE_ID_OPTEE,
>   	IMAGE_ID_SPL,
>   	IMAGE_ID_DM_FW,
> +	IMAGE_ID_TIFSSTUB_HS,
> +	IMAGE_ID_TIFSSTUB_FS,
> +	IMAGE_ID_T,
>   	IMAGE_AMT,
>   };
>   
> @@ -33,6 +36,9 @@ static const char *image_os_match[IMAGE_AMT] = {
>   	"tee",
>   	"U-Boot",
>   	"DM",
> +	"tifsstub-hs",
> +	"tifsstub-fs",
> +	"tifsstub-gp",
>   };
>   #endif
>   
> @@ -314,6 +320,24 @@ void board_fit_image_post_process(const void *fit, int node, void **p_image,
>   			break;
>   		}
>   	}
> +
> +	if (i < IMAGE_AMT && i > IMAGE_ID_DM_FW) {
> +		int device_type = get_device_type();
> +
> +		if ((device_type == K3_DEVICE_TYPE_HS_SE &&
> +		     strcmp(os, "tifsstub-hs")) ||
> +		   (device_type == K3_DEVICE_TYPE_HS_FS &&
> +		     strcmp(os, "tifsstub-fs")) ||
> +		   (device_type == K3_DEVICE_TYPE_GP &&
> +		     strcmp(os, "tifsstub-gp"))) {
> +			*p_size = 0;
> +		} else {
> +			debug("tifsstub-type: %s\n", os);
> +		}
> +
> +		return;
> +	}
> +
>   	/*
>   	 * Only DM and the DTBs are being authenticated here,
>   	 * rest will be authenticated when A72 cluster is up

Reviewed-by: Neha Malcom Francis <n-francis at ti.com>

-- 
Thanking You
Neha Malcom Francis