添加rtthread相关代码

riscv/rtthread/components/fal/src/fal.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-05-17     armink       the first version
+ */
+
+#include <fal.h>
+
+static uint8_t init_ok = 0;
+
+/**
+ * FAL (Flash Abstraction Layer) initialization.
+ * It will initialize all flash device and all flash partition.
+ *
+ * @return >= 0: partitions total number
+ */
+int fal_init(void)
+{
+    extern int fal_flash_init(void);
+    extern int fal_partition_init(void);
+
+    int result;
+
+    /* initialize all flash device on FAL flash table */
+    result = fal_flash_init();
+
+    if (result < 0) {
+        goto __exit;
+    }
+
+    /* initialize all flash partition on FAL partition table */
+    result = fal_partition_init();
+
+__exit:
+
+    if ((result > 0) && (!init_ok))
+    {
+        init_ok = 1;
+        log_i("RT-Thread Flash Abstraction Layer initialize success.");
+    }
+    else if(result <= 0)
+    {
+        init_ok = 0;
+        log_e("RT-Thread Flash Abstraction Layer initialize failed.");
+    }
+
+    return result;
+}
+
+/**
+ * Check if the FAL is initialized successfully
+ *
+ * @return 0: not init or init failed; 1: init success
+ */
+int fal_init_check(void)
+{
+    return init_ok;
+}