Import Mbed OS hard-float snapshot

targets/TARGET_NUVOTON/TARGET_M480/device/system_M480.h

@@ -0,0 +1,77 @@
+/**************************************************************************//**
+ * @file     system_M480.h
+ * @version  V1.00
+ * @brief    CMSIS Cortex-M4 Core Peripheral Access Layer Header File for M480
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved.
+*****************************************************************************/
+
+#ifndef __SYSTEM_M480_H__
+#define __SYSTEM_M480_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+
+#ifndef __HSI
+#define __HSI       (12000000UL)    /*!< PLL default output is 50MHz */
+#endif
+
+#ifndef __HXT
+#define __HXT       (12000000UL)    /*!< External Crystal Clock Frequency     */
+#endif
+
+#ifndef __LXT
+#define __LXT       (32768UL)       /*!< External Crystal Clock Frequency 32.768KHz */
+#endif
+
+#define __HIRC      (12000000UL)    /*!< Internal 12M RC Oscillator Frequency */
+#define __LIRC      (10000UL)       /*!< Internal 10K RC Oscillator Frequency */
+#define __SYS_OSC_CLK     (    ___HSI)    /* Main oscillator frequency        */
+
+
+#define __SYSTEM_CLOCK    (1UL*__HXT)
+
+extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
+extern uint32_t CyclesPerUs;         /*!< Cycles per micro second              */
+extern uint32_t PllClock;            /*!< PLL Output Clock Frequency           */
+
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the micro controller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_M480_H__ */
+
+/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/