[PATCH 1/3] ARM: webasto-ccbv2: consider the available memory size for optee

Ahmad Fatoum a.fatoum at pengutronix.de
Tue Feb 22 03:15:08 PST 2022


Hi,

On 22.02.22 11:48, Juergen Borleis wrote:
> Signed-off-by: Juergen Borleis <jbe at pengutronix.de>

Not that I object, but why does it matter?
It's a heuristic anyway. The only reason why it needs two entry
points is a limitation of the build system (only DCD table differs
here, but barebox build needs a distinct entry point for each
image).

Cheers,
Ahmad

> ---
>  arch/arm/boards/webasto-ccbv2/lowlevel.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boards/webasto-ccbv2/lowlevel.c b/arch/arm/boards/webasto-ccbv2/lowlevel.c
> index 32117b0..84de271 100644
> --- a/arch/arm/boards/webasto-ccbv2/lowlevel.c
> +++ b/arch/arm/boards/webasto-ccbv2/lowlevel.c
> @@ -32,7 +32,7 @@ static void configure_uart(void)
>  
>  }
>  
> -static void noinline start_ccbv2(u32 r0)
> +static void noinline start_ccbv2(u32 r0, unsigned long memSize)
>  {
>  	int tee_size;
>  	void *tee;
> @@ -48,7 +48,7 @@ static void noinline start_ccbv2(u32 r0)
>  	 */
>  	if(IS_ENABLED(CONFIG_FIRMWARE_CCBV2_OPTEE)
>  	   && !(r0 > MX6_MMDC_P0_BASE_ADDR
> -	        &&  r0 < MX6_MMDC_P0_BASE_ADDR + SZ_512M)) {
> +	        &&  r0 < MX6_MMDC_P0_BASE_ADDR + memSize)) {
>  		get_builtin_firmware(ccbv2_optee_bin, &tee, &tee_size);
>  
>  		memset((void *)OPTEE_OVERLAY_LOCATION, 0, 0x1000);
> @@ -70,7 +70,7 @@ ENTRY_FUNCTION(start_imx6ul_ccbv2_256m, r0, r1, r2)
>  	setup_c();
>  	barrier();
>  
> -	start_ccbv2(r0);
> +	start_ccbv2(r0, SZ_256M);
>  }
>  
>  ENTRY_FUNCTION(start_imx6ul_ccbv2_512m, r0, r1, r2)
> @@ -84,5 +84,5 @@ ENTRY_FUNCTION(start_imx6ul_ccbv2_512m, r0, r1, r2)
>  	setup_c();
>  	barrier();
>  
> -	start_ccbv2(r0);
> +	start_ccbv2(r0, SZ_512M);
>  }


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