feat(versal2): is OCM configured as coherent
Warn users about disabled OCM coherency which is not enabled by
default in designs. If it is not enabled and TF-A is running out
of OCM,TF-A won't work properly.
This check is done only in Debug mode and isolation disabled.
Change-Id: I7661e0183503b71085c57fa35014341d14522203
Signed-off-by: Saivardhan Thatikonda <saivardhan.thatikonda@amd.com>
diff --git a/plat/amd/versal2/include/plat_ocm_coherency.h b/plat/amd/versal2/include/plat_ocm_coherency.h
new file mode 100644
index 0000000..b88c2eb
--- /dev/null
+++ b/plat/amd/versal2/include/plat_ocm_coherency.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef PLAT_OCM_COHERENCY_H
+#define PLAT_OCM_COHERENCY_H
+
+#define COHERENCY_CHECK_NOT_SUPPORTED -1
+
+#if (DEBUG == 1)
+int32_t check_ocm_coherency(void);
+#else
+static inline int32_t check_ocm_coherency(void)
+{
+ return COHERENCY_CHECK_NOT_SUPPORTED;
+}
+#endif
+
+#endif/*PLAT_OCM_COHERENCY_H*/