[PATCH v14 11/11] arm_ffa: efi: corstone1000: enable MM communication

[Abdellatif El Khlifi]

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:
===============

v13:

* remove FF-A config in the defconfig
   (because it's enabled automatically by CONFIG_EFI_MM_COMM_TEE)

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 |  1 +
 include/configs/corstone1000.h | 15 +++++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig
index a8a79fd105..b57e2322c4 100644
--- a/configs/corstone1000_defconfig
+++ b/configs/corstone1000_defconfig
@@ -65,3 +65,4 @@ CONFIG_EFI_CAPSULE_ON_DISK=y
 CONFIG_EFI_IGNORE_OSINDICATIONS=y
 CONFIG_FWU_MULTI_BANK_UPDATE=y
 CONFIG_ERRNO_STR=y
+CONFIG_EFI_MM_COMM_TEE=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 at linaro.org>
- * Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
+ * Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office at arm.com>
+ *
+ * Authors:
+ *   Abdellatif El Khlifi <abdellatif.elkhlifi at 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