diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/sleep.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/sleep.h
index 7e8c778295762785c686b41aaf66d373b9df5d20..ca6e56a7ec9e72004b7bef5e0e7b925c06352a6d 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/sleep.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/sleep.h
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2020-2021, WangHuachen
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef XLI_SLEEP_H
 #define XLI_SLEEP_H
 
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_assert.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_assert.h
index de095f1f4c4570f8f928cc074d424ba3cef9eff2..7abe853e2946f0df90849b8f78cb39715ab39ec0 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_assert.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_assert.h
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2020-2021, WangHuachen
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef XIL_ASSERT_H /* prevent circular inclusions */
 #define XIL_ASSERT_H /* by using protection macros */
 
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_cache.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_cache.h
index 1731e848507ff833a61623c477ba17ffc216fc72..575157e6d24fa9d9266a57e29d06217f041961a6 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_cache.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_cache.h
@@ -1,6 +1,17 @@
+/*
+ * Copyright (c) 2020-2021, WangHuachen
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef XIL_CACHE_H
 #define XIL_CACHE_H
 
+#include <rthw.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_printf.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_printf.h
index b6983a5d7e81073a4a647fa075f248d45a420066..29de8c2441aff6c2b9316c6822555e382c82457b 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_printf.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_printf.h
@@ -1,5 +1,14 @@
- #ifndef XIL_PRINTF_H
- #define XIL_PRINTF_H
+/*
+ * Copyright (c) 2020-2021, WangHuachen
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
+#ifndef XIL_PRINTF_H
+#define XIL_PRINTF_H
 
 #include <rtthread.h>
 
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_types.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_types.h
index a6988a20a5a90b8e7246b3e151be1eafc3fc60a6..cebdbcd56ee8b7a3fb057a85bc034254fa7a1e06 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_types.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xil_types.h
@@ -1,3 +1,13 @@
+/*
+ * Copyright (C) 2010-2020 Xilinx, Inc.
+ * Copyright (c) 2020-2021, WangHuachen
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef XIL_TYPES_H    /* prevent circular inclusions */
 #define XIL_TYPES_H    /* by using protection macros */
 
@@ -70,6 +80,30 @@ typedef void (*XInterruptHandler) (void *InstancePtr);
  */
 typedef void (*XExceptionHandler) (void *InstancePtr);
 
+/**
+ * @brief  Returns 32-63 bits of a number.
+ * @param  n : Number being accessed.
+ * @return Bits 32-63 of number.
+ *
+ * @note    A basic shift-right of a 64- or 32-bit quantity.
+ *          Use this to suppress the "right shift count >= width of type"
+ *          warning when that quantity is 32-bits.
+ */
+#if defined (__aarch64__) || defined (__arch64__)
+#define UPPER_32_BITS(n) ((u32)(((n) >> 16) >> 16))
+#else
+#define UPPER_32_BITS(n) 0U
+#endif
+/**
+ * @brief  Returns 0-31 bits of a number
+ * @param  n : Number being accessed.
+ * @return Bits 0-31 of number
+ */
+#define LOWER_32_BITS(n) ((u32)(n))
+
+
+
+
 /************************** Constant Definitions *****************************/
 
 #ifndef TRUE
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xplatform_info.h b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xplatform_info.h
index 42137362701feacb105067da7bba3411511656df..0024b53f6ce9da626c165b118901e6fe52c0590a 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xplatform_info.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/Zynq_HAL_Driver/xplatform_info.h
@@ -1,3 +1,13 @@
+/*
+ * Copyright (C) 2014-2020 Xilinx, Inc.
+ * Copyright (c) 2020-2021, WangHuachen
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef XPLATFORM_INFO_H        /* prevent circular inclusions */
 #define XPLATFORM_INFO_H        /* by using protection macros */
 
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c b/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
index e3e1884cf20e1cedcb71a55c0d44ace73bc6da99..05c29305fc323f6c2f5c744793b6d9ca777b12b3 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
@@ -7,8 +7,6 @@
  * Date           Author       Notes
  * 2021-5-10     WangHuachen  the first version
  */
-
-
 #include "board.h"
 #include <netif/ethernetif.h>
 #include "lwipopts.h"
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/zynqmp-r5.h b/bsp/zynqmp-r5-axu4ev/drivers/zynqmp-r5.h
index 3192942b57c96b2cea267dc7622abc194d411c60..fc8cfb0f97b927cdb2df21f07c92e16f316d19f0 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/zynqmp-r5.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/zynqmp-r5.h
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2020-2021, WangHuachen
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-11-30     WangHuachen  the first version
+ */
 #ifndef __ZYNQMP_R5_H__
 #define __ZYNQMP_R5_H__