Import Mbed OS hard-float snapshot

targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/s5js100_systemreset.c

@@ -0,0 +1,102 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2020 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/****************************************************************************
+ *
+ * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ ****************************************************************************/
+/* @file  : s5js100_systemreset.c
+ * @brief : board reset source file
+ * @date  : June 2019
+ *
+ * @note  : Add chip dependent feature and more detail error status
+ *
+ */
+
+/****************************************************************************
+  Included Files
+ ****************************************************************************/
+#include "cmsis.h"
+#include "mbed_interface.h"
+#include "mbed_power_mgmt.h"
+#include "mbed_stats.h"
+#include "mbed_atomic.h"
+
+#include "rtx_os.h"
+#include <inttypes.h>
+#include <string.h>
+
+
+/****************************************************************************
+ * Name: up_systemreset
+ *
+ * Description:
+ *   Internal, reset logic.
+ *
+ ****************************************************************************/
+static void up_systemreset(void)
+{
+    putreg32(0x1, 0x8301100C);
+    putreg32(0x1 << 1, 0x82020018);
+
+    putreg32(0x4, 0x83011000); // enable watchdog
+    putreg32(0x1, 0x83011010);
+    putreg32(0x1, 0x83011020);
+    putreg32(327, 0x83011004);  //set 10ms to be reset , 1 sec=32768
+    putreg32(0xFF, 0x83011008); // force to load value to be reset
+
+    /* Wait for the reset */
+    for (; ;) {
+    }
+}
+
+/****************************************************************************
+ * Name: board_reset
+ *
+ * Description:
+ *   Reset board.  This function may or may not be supported by a
+ *   particular board architecture.
+ *
+ * Input Parameters:
+ *   status - Status information provided with the reset event.  This
+ *     meaning of this status information is board-specific.  If not used by
+ *     a board, the value zero may be provided in calls to board_reset.
+ *
+ * Returned Value:
+ *   If this function returns, then it was not possible to power-off the
+ *   board due to some constraints.  The return value int this case is a
+ *   board-specific reason for the failure to shutdown.
+ *
+ ****************************************************************************/
+int board_reset(void)
+{
+    up_systemreset();
+    return 0;
+}
+