commit 35a8be9820e70e3951760587a69b3c3ac933491e
author Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com> Thu Apr 04 14:23:32 2019 +0530
committer Jolly Shah <jolly.shah@xilinx.com> Wed Jan 15 11:01:09 2020 -0800
tree 567e719ebe9509c5056321cdfa33c300c37ef140
parent b34deca6b00e4cacc397fdcff7481d85fddac904

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

plat/xilinx/zynqmp/include/plat_pm_common.h

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