[PATCH v6 10/10] arm_ffa: efi: corstone1000: enable MM communication

Ilias Apalodimas ilias.apalodimas at linaro.org
Mon Oct 24 14:13:08 CEST 2022


On Thu, Oct 13, 2022 at 11:38:57AM +0100, Abdellatif El Khlifi wrote:
> turn on EFI MM communication
> 
> On corstone1000 platform MM communication between u-boot
> and the secure world (Optee) is done using the FF-A bus.
> 
> Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> Cc: Jens Wiklander <jens.wiklander at linaro.org>
> 
> ---
> 
> Changelog:
> ===============
> 
> v6:
> 
> * corstone-1000: enable optee driver
> * corstone-1000: remove CONFIG_ARM_FFA_EFI_RUNTIME_MODE from the defconfig
> 
> v4:
> 
> * corstone-1000: turn on EFI MM communication
> 
>  configs/corstone1000_defconfig | 4 ++++
>  include/configs/corstone1000.h | 9 +++++++++
>  2 files changed, 13 insertions(+)
> 
> diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig
> index ed2e0fe70a..4c9ed9fb71 100644
> --- a/configs/corstone1000_defconfig
> +++ b/configs/corstone1000_defconfig
> @@ -52,3 +52,7 @@ CONFIG_DM_SERIAL=y
>  CONFIG_USB=y
>  CONFIG_USB_ISP1760=y
>  CONFIG_ERRNO_STR=y
> +CONFIG_EFI_MM_COMM_TEE=y
> +CONFIG_TEE=y
> +CONFIG_OPTEE=y
> +CONFIG_ARM_FFA_TRANSPORT=y
> diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h
> index 8e0230c135..997d0bebaf 100644
> --- a/include/configs/corstone1000.h
> +++ b/include/configs/corstone1000.h
> @@ -14,6 +14,15 @@
>  
>  #include <linux/sizes.h>
>  
> +#define FFA_SHARED_MM_BUFFER_SIZE	SZ_4K /* 4 KB */
> +
> +/*
> + * shared buffer physical address used for communication between
> + * u-boot and the MM SP
> + */
> +#define FFA_SHARED_MM_BUFFER_ADDR	(0x023F8000)
> +#define FFA_SHARED_MM_BUFFER_OFFSET	(0)

The rest of the declarations on this file don't have () so please remove
them.  Also is FFA_SHARED_MM_BUFFER_ADDR used anywhere that would justify UL
in the suffix?

Thanks
/Ilias
> +
>  #define V2M_BASE		0x80000000
>  
>  #define CONFIG_PL011_CLOCK	50000000
> -- 
> 2.17.1
> 


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