diff --git a/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c b/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
index c7db76dbec6faa1ea27bf2c761c2223c5f28e7c6..24c4776112542c9255c54c5035cab3f874d0c451 100755
--- a/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
+++ b/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
@@ -260,6 +260,9 @@ int save_bootdata_to_flash(void)
 	return 0;
 }
 
+int auto_update_flag = 0;
+int bare_chip_program = 0;
+
 #define REG_BASE_GPIO0          0x120d0000
 #define GPIO0_0_DATA_OFST       0x4
 #define GPIO_DIR_OFST           0x400
@@ -532,6 +535,18 @@ int misc_init_r(void)
     env_set("bootargs", g_bootArgsStr);
     env_set("bootcmd", cmdBuf);
 
+    /* auto update flag */
+    if (is_auto_update())
+        auto_update_flag = 1;
+    else
+        auto_update_flag = 0;
+
+    /* bare chip program flag */
+    if (is_bare_program())
+        bare_chip_program = 1;
+    else
+        bare_chip_program = 0;
+
 #ifdef CFG_MMU_HANDLEOK
 	dcache_stop();
 #endif
@@ -543,6 +558,13 @@ int misc_init_r(void)
 #endif
 
 #if (CONFIG_AUTO_UPDATE == 1)
+    int update_flag = -1;
+    if (auto_update_flag)
+        update_flag = do_auto_update();
+    if (bare_chip_program && !auto_update_flag)
+        save_bootdata_to_flash();
+    if (update_flag == 0)
+        do_reset(NULL, 0, 0, NULL);
 #endif
     return 0;
 }
diff --git a/u-boot-2020.01/product/hiupdate/auto_update_adaptation.c b/u-boot-2020.01/product/hiupdate/auto_update_adaptation.c
index 306d320dcc5ad0da58a90f67dc9ab23dbf8aa2b4..f5b11ed9b99792a80a1c2c9d634d8405e2181086 100644
--- a/u-boot-2020.01/product/hiupdate/auto_update_adaptation.c
+++ b/u-boot-2020.01/product/hiupdate/auto_update_adaptation.c
@@ -1006,6 +1006,44 @@ write_op:
 bool g_is_ota;
 #endif /* CONFIG_AUTO_OTA_UPDATE */
 
+#ifdef CONFIG_AUTO_OTA_UPDATE
+typedef struct {
+    unsigned char update_mode;
+    unsigned char running_partition;
+    unsigned char update_partiton;
+    unsigned char running_status;
+    unsigned char ota_status;
+    unsigned char reboot_status;
+    unsigned char update_status;
+} UpdateMetaData;
+
+static void set_update_status(int status)
+{
+    printf("\nset update status:%d\n", status);
+    const char *path = "/update/metadata";
+    UpdateMetaData data = {0};
+    int len = sizeof(data);
+    loff_t sz = file_fat_read(path, (void *)&data, len);
+    if (sz <= 0) {
+        printf("len is %d, sz is %lld invalid\n", len, sz);
+        return;
+    }
+    data.update_status = status;
+    loff_t size;
+    int ret = file_fat_write(path, (void *)&data, 0, len, &size);
+    if (ret < 0) {
+        printf("write data to /update/metadata error\n");
+        return;
+    }
+    return;
+}
+#else
+static void set_update_status(int status)
+{
+    return;
+}
+#endif
+
 /*
  * If none of the update file(u-boot, kernel or rootfs) was found
  * in the medium, return -1;
@@ -1021,6 +1059,7 @@ static int update_to_flash(void)
 	int cnt;
 	int uboot_updated = 0;
 	char buf[NAME_MAX_LEN] = {0};
+	int update_status = 1;
 
 #ifdef CONFIG_AUTO_OTA_UPDATE
 	if (g_is_ota) {
@@ -1097,6 +1136,10 @@ static int update_to_flash(void)
                 printf("%s write success!\n", aufile[i]);
             }
 #ifdef CONFIG_AUTO_OTA_UPDATE
+            if (res) {
+                // record update status as failed
+                update_status = 0;
+            }
 			if (g_is_ota)
 				break;
 #endif /* CONFIG_AUTO_OTA_UPDATE */
@@ -1110,6 +1153,8 @@ static int update_to_flash(void)
 			cnt++;
 		} while (res < 0);
 	}
+	
+	set_update_status(update_status);
 
 	if (uboot_updated == 1) {
         printf("update success!\n");
diff --git a/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.c b/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.c
index 215547598f9bc7d03d61da990453da24efe0e675..c4df8253b60030df7f4751fe6aa11036b7ae3bac 100644
--- a/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.c
+++ b/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.c
@@ -82,6 +82,7 @@ static const char *get_ota_file_name(const char *addr)
 		{"kernel_A",        "kernel.bin"},
 		{"rootfs",          "rootfs.img"},
 		{"rootfs_ext4",     "rootfs_ext4.img"},
+		{"patch",           "patch.img"},
 		{"reserved",        " "},
 	};
 	int i;
diff --git a/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.h b/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.h
index df0bb5a1708a4ebcdeb2ec9b19474714846748f1..b277cc8bdef5e78047ebb1dbcc6dad749ee5537e 100644
--- a/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.h
+++ b/u-boot-2020.01/product/hiupdate/ota_update/ota_package_info.h
@@ -22,7 +22,7 @@
 #define OTA_ROOT_DIR                    "/update"
 #define OTA_TAG_FILE                    "OTA.tag"
 #define OTA_PATH_LEN                    32
-#define OTA_MAX_COMPONENT_NUM           7
+#define OTA_MAX_COMPONENT_NUM           8
 
 int change_to_ota_path(const char *src, char *ota_path, unsigned int len);
 int get_ota_file_path(const char *addr, char *path, unsigned int len);