[PATCH v10 10/10] arm_ffa: efi: corstone1000: enable MM communication

Abdellatif El Khlifi
2023-03-28T16:15:26Z

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@arm.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Jens Wiklander <jens.wiklander@linaro.org>

---
Changelog:
===============

v9: update copyright string

v8:

* drop OP-TEE configs from Corstone-1000 defconfig

v7:

* improve the definition of FFA_SHARED_MM_BUFFER_ADDR and
FFA_SHARED_MM_BUFFER_OFFSET
* update FFA_SHARED_MM_BUFFER_ADDR value

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 | 2 ++
include/configs/corstone1000.h | 15 +++++++++++++--
2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig
index 74250c7524..a7bfcbb2b9 100644
--- a/configs/corstone1000_defconfig
+++ b/configs/corstone1000_defconfig
@@ -52,3 +52,5 @@ CONFIG_DM_SERIAL=y
CONFIG_USB=y
CONFIG_USB_ISP1760=y
CONFIG_ERRNO_STR=y
+CONFIG_EFI_MM_COMM_TEE=y
+CONFIG_ARM_FFA_TRANSPORT=y
diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h
index 3347c11792..4ef1f05e40 100644
--- a/include/configs/corstone1000.h
+++ b/include/configs/corstone1000.h
@@ -1,9 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
- * (C) Copyright 2022 ARM Limited
* (C) Copyright 2022 Linaro
* Rui Miguel Silva <rui.silva@linaro.org>
- * Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
+ * Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ *
+ * Authors:
+ * Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
*
* Configuration for Corstone1000. Parts were derived from other ARM
* configurations.
@@ -14,6 +16,15 @@

#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 0x02000000UL
+#define FFA_SHARED_MM_BUFFER_OFFSET 0
+
#define V2M_BASE 0x80000000

#define CFG_PL011_CLOCK 50000000
--
2.25.1