plat: xilinx: zynqmp: Add checksum support for IPI data
This patch adds support for CRC checksum for IPI data when the
macro ZYNQMP_IPI_CRC_CHECK is defined.
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: Ic981f162666b3c1fffeb1b9fef3ee7714ecd889d
diff --git a/plat/xilinx/zynqmp/include/plat_pm_common.h b/plat/xilinx/zynqmp/include/plat_pm_common.h
index 1b371cc..56a747a 100644
--- a/plat/xilinx/zynqmp/include/plat_pm_common.h
+++ b/plat/xilinx/zynqmp/include/plat_pm_common.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -16,7 +16,16 @@
#include <common/debug.h>
#include "pm_defs.h"
-#define PAYLOAD_ARG_CNT 6U
+#if ZYNQMP_IPI_CRC_CHECK
+#define PAYLOAD_ARG_CNT 8U
+#define IPI_W0_TO_W6_SIZE 28U
+#define PAYLOAD_CRC_POS 7U
+#define CRC_INIT_VALUE 0x4F4EU
+#define CRC_ORDER 16U
+#define CRC_POLYNOM 0x8005U
+#else
+#define PAYLOAD_ARG_CNT 6U
+#endif
#define PAYLOAD_ARG_SIZE 4U /* size in bytes */
#define ZYNQMP_TZ_VERSION_MAJOR 1