1 files changed, 140 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/MKE02Z4/system_MKE02Z4.c b/lib/chibios-contrib/ext/mcux-sdk/devices/MKE02Z4/system_MKE02Z4.c
new file mode 100644
index 000000000..1bbb56505
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/MKE02Z4/system_MKE02Z4.c
@@ -0,0 +1,140 @@
+/*
+** ###################################################################
+**     Processors:          MKE02Z16VFM4
+**                          MKE02Z16VLC4
+**                          MKE02Z16VLD4
+**                          MKE02Z32VFM4
+**                          MKE02Z32VLC4
+**                          MKE02Z32VLD4
+**                          MKE02Z32VLH4
+**                          MKE02Z32VQH4
+**                          MKE02Z64VFM4
+**                          MKE02Z64VLC4
+**                          MKE02Z64VLD4
+**                          MKE02Z64VLH4
+**                          MKE02Z64VQH4
+**
+**     Compilers:           Freescale C/C++ for Embedded ARM
+**                          GNU C Compiler
+**                          IAR ANSI C/C++ Compiler for ARM
+**                          Keil ARM C/C++ Compiler
+**                          MCUXpresso Compiler
+**
+**     Reference manual:    MKE02P64M40SF0RM Rev 4
+**     Version:             rev. 1.0, 2017-05-19
+**     Build:               b201123
+**
+**     Abstract:
+**         Provides a system configuration function and a global variable that
+**         contains the system frequency. It configures the device and initializes
+**         the oscillator (PLL) that is part of the microcontroller device.
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2020 NXP
+**     All rights reserved.
+**
+**     SPDX-License-Identifier: BSD-3-Clause
+**
+**     http:                 www.nxp.com
+**     mail:                 [email protected]
+**
+**     Revisions:
+**     - rev. 1.0 (2017-05-19)
+**         Initial version.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file MKE02Z4
+ * @version 1.0
+ * @date 2017-05-19
+ * @brief Device specific configuration file for MKE02Z4 (implementation file)
+ *
+ * Provides a system configuration function and a global variable that contains
+ * the system frequency. It configures the device and initializes the oscillator
+ * (PLL) that is part of the microcontroller device.
+ */
+
+#include <stdint.h>
+#include "fsl_device_registers.h"
+
+
+
+/* ----------------------------------------------------------------------------
+   -- Core clock
+   ---------------------------------------------------------------------------- */
+
+uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
+
+/* ----------------------------------------------------------------------------
+   -- SystemInit()
+   ---------------------------------------------------------------------------- */
+
+void SystemInit (void) {
+
+#if (DISABLE_WDOG)
+  WDOG->CNT = WDOG_UPDATE_KEY1;
+  WDOG->CNT = WDOG_UPDATE_KEY2;
+  WDOG->TOVAL = 0xFFFFU;
+  WDOG->CS1 = (uint8_t) ((WDOG->CS1) & ~WDOG_CS1_EN_MASK) | WDOG_CS1_UPDATE_MASK;
+  WDOG->CS2 |= 0U;
+#endif /* (DISABLE_WDOG) */
+
+  SystemInitHook();
+}
+
+/* ----------------------------------------------------------------------------
+   -- SystemCoreClockUpdate()
+   ---------------------------------------------------------------------------- */
+
+void SystemCoreClockUpdate (void) {
+
+  uint32_t ICSOUTClock; /* Variable to store output clock frequency of the ICS module */
+  uint16_t Divider;
+  uint16_t Temp;
+
+  Divider = (uint16_t)(0x01U) << (((uint16_t)ICS->C2 & ICS_C2_BDIV_MASK) >> ICS_C2_BDIV_SHIFT);
+
+  switch ((ICS->C1 & ICS_C1_CLKS_MASK) >> ICS_C1_CLKS_SHIFT) {
+    case 0x0:
+      /* FLL */
+      if((ICS->C1 & ICS_C1_IREFS_MASK) != 0x0U)
+      {
+          ICSOUTClock = CPU_INT_IRC_CLK_HZ * 1024UL;
+      }
+      else
+      {
+          /* Reference Divider */
+          Temp = ((uint16_t)ICS->C1 & ICS_C1_RDIV_MASK) >> ICS_C1_RDIV_SHIFT;
+          Temp = (Temp + 1U) * (((OSC->CR & OSC_CR_RANGE_MASK) != 0x0U) ? 32U : 1U);
+
+          ICSOUTClock = CPU_XTAL_CLK_HZ / Temp * 1024UL;
+      }
+      break;
+
+    case 0x1:
+      /* Internal IRC */
+      ICSOUTClock = CPU_INT_IRC_CLK_HZ;
+      break;
+
+    case 0x2:
+      /* External OSC */
+      ICSOUTClock = CPU_XTAL_CLK_HZ;
+      break;
+
+    default:
+      ICSOUTClock = 0U;
+      break;
+  }
+  SystemCoreClock = (ICSOUTClock / Divider);
+
+}
+
+/* ----------------------------------------------------------------------------
+   -- SystemInitHook()
+   ---------------------------------------------------------------------------- */
+
+__attribute__ ((weak)) void SystemInitHook (void) {
+  /* Void implementation of the weak function. */
+}