From f99dcbace7015169ac5d230b8007686d144962fb Mon Sep 17 00:00:00 2001
From: Nishant Sharma <nishant.sharma@arm.com>
Date: Wed, 13 Jul 2022 10:19:58 +0100
Subject: feat(rdn2): add plat hook for memory transaction

RdN2 does not make MEM_SHARE/LEND requests. Instead, add a dummy
implementation of memory management related platform hooks.

Signed-off-by: Nishant Sharma <nishant.sharma@arm.com>
Change-Id: Ifce55b6661f03d379e2fd2dc5625200d550d8038
---
 plat/arm/board/rdn2/rdn2_plat.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'plat')

diff --git a/plat/arm/board/rdn2/rdn2_plat.c b/plat/arm/board/rdn2/rdn2_plat.c
index f044558d8..fc016aef0 100644
--- a/plat/arm/board/rdn2/rdn2_plat.c
+++ b/plat/arm/board/rdn2/rdn2_plat.c
@@ -8,6 +8,7 @@
 #include <drivers/arm/gic600_multichip.h>
 #include <plat/arm/common/plat_arm.h>
 #include <plat/common/platform.h>
+#include <services/el3_spmc_ffa_memory.h>
 #include <rdn2_ras.h>
 #include <sgi_soc_platform_def_v2.h>
 #include <sgi_plat.h>
@@ -154,4 +155,18 @@ int plat_spmc_shmem_datastore_get(uint8_t **datastore, size_t *size)
 	*size = DATASTORE_SIZE;
 	return 0;
 }
+
+/*
+ * Add dummy implementations of memory management related platform hooks.
+ * Memory share/lend operation are not required on RdN2 platform.
+ */
+int plat_spmc_shmem_begin(struct ffa_mtd *desc)
+{
+	return 0;
+}
+
+int plat_spmc_shmem_reclaim(struct ffa_mtd *desc)
+{
+	return 0;
+}
 #endif
-- 
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