From 46cadb787a3b13da39419706fae7d1ba703f4b68 Mon Sep 17 00:00:00 2001
From: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Date: Fri, 23 Sep 2022 15:17:21 +0100
Subject: [PATCH 10/25] arm_ffa: efi: corstone1000: enable MM communication

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>
Upstream-Status: Submitted [cover letter: https://lore.kernel.org/all/20221122131751.22747-1-abdellatif.elkhlifi@arm.com/]

Changelog:
===============

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 | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig
index ed2e0fe70a..c26f99e7e5 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 8e0230c135..0362d29ac2 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	0x02000000UL
+#define FFA_SHARED_MM_BUFFER_OFFSET	0
+
 #define V2M_BASE		0x80000000
 
 #define CONFIG_PL011_CLOCK	50000000
-- 
2.17.1