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-rw-r--r--plat/arm/common/arm_common.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/plat/arm/common/arm_common.c b/plat/arm/common/arm_common.c
index 60c777ed8..e2b99a3d6 100644
--- a/plat/arm/common/arm_common.c
+++ b/plat/arm/common/arm_common.c
@@ -13,7 +13,9 @@
#include <common/debug.h>
#include <common/romlib.h>
#include <lib/mmio.h>
+#include <lib/smccc.h>
#include <lib/xlat_tables/xlat_tables_compat.h>
+#include <services/arm_arch_svc.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
@@ -235,6 +237,23 @@ int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode)
}
#endif
+/*****************************************************************************
+ * plat_is_smccc_feature_available() - This function checks whether SMCCC
+ * feature is availabile for platform.
+ * @fid: SMCCC function id
+ *
+ * Return SMC_OK if SMCCC feature is available and SMC_ARCH_CALL_NOT_SUPPORTED
+ * otherwise.
+ *****************************************************************************/
+int32_t plat_is_smccc_feature_available(u_register_t fid)
+{
+ switch (fid) {
+ case SMCCC_ARCH_SOC_ID:
+ default:
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+ }
+}
+
/*
* Weak function to get ARM platform SOC-ID, Always return SOC-ID=0
* ToDo: Get proper SOC-ID for every ARM platform and define this