[PATCH] armv8: layerscape: don't remove crypto node on LS1028A

[Michael Walle]

[+ Horia]

Am 2020-06-02 17:09, schrieb Michael Walle:
> At least on the LS1028A the crypto module is always there, but has some
> functions disabled on non-E parts. Thus it doesn't make sense to
> completely remove the node. Linux will figure out what is there and 
> what
> is not.
> 
> Please note, this patch is certainly not ideal. But I don't know which
> processors have the SEC module always available. NXP would have to
> comment on that and make sure, the condition when to remove the crypto
> node is correct.
> 
> Signed-off-by: Michael Walle <michael at walle.cc>
> ---
>  arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> index 9c1e0c76f3..72c9fc8bb7 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> @@ -443,7 +443,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
>  	unsigned int svr = gur_in32(&gur->svr);
> 
>  	/* delete crypto node if not on an E-processor */
> -	if (!IS_E_PROCESSOR(svr))
> +	if (!IS_ENABLED(CONFIG_ARCH_LS1028A) && !IS_E_PROCESSOR(svr))
>  		fdt_fixup_crypto_node(blob, 0);
>  #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
>  	else {

-- 
-michael