Add board support for Dialog DA1469x-dk-pro

This adds source files that allow to run TinyUSB stack on DA1469x-dk-pro board. Source files .c .S and .ld are taken from Apache Mynewt repository. Those files were stripped to allow starting board without Mynewt os.
2020-06-19 14:02:09 +02:00
parent 0635bafe0a
commit 8e143fc962
17 changed files with 2553 additions and 0 deletions
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+#ifndef __MCU_DA1469X_CLOCK_H_
+#define __MCU_DA1469X_CLOCK_H_
+
+#include <stdint.h>
+#include "mcu/da1469x_hal.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Initialize XTAL32M
+ */
+void da1469x_clock_sys_xtal32m_init(void);
+
+/**
+ * Enable XTAL32M
+ */
+void da1469x_clock_sys_xtal32m_enable(void);
+
+/**
+ * Wait for XTAL32M to settle
+ */
+void da1469x_clock_sys_xtal32m_wait_to_settle(void);
+
+/**
+ * Switch sys_clk to XTAL32M
+ *
+ * Caller shall ensure that XTAL32M is already settled.
+ */
+void da1469x_clock_sys_xtal32m_switch(void);
+
+/**
+ * Switch sys_clk to XTAL32M
+ *
+ * Waits for XTAL32M to settle before switching.
+ */
+void da1469x_clock_sys_xtal32m_switch_safe(void);
+
+/**
+ * Disable RC32M
+ */
+void da1469x_clock_sys_rc32m_disable(void);
+
+/**
+ * Enable AMBA clock(s)
+ *
+ * @param mask
+ */
+static inline void
+da1469x_clock_amba_enable(uint32_t mask)
+{
+    uint32_t primask;
+
+    __HAL_DISABLE_INTERRUPTS(primask);
+    CRG_TOP->CLK_AMBA_REG |= mask;
+    __HAL_ENABLE_INTERRUPTS(primask);
+}
+
+/**
+ * Disable AMBA clock(s)
+ *
+ * @param uint32_t mask
+ */
+static inline void
+da1469x_clock_amba_disable(uint32_t mask)
+{
+    uint32_t primask;
+
+    __HAL_DISABLE_INTERRUPTS(primask);
+    CRG_TOP->CLK_AMBA_REG &= ~mask;
+    __HAL_ENABLE_INTERRUPTS(primask);
+}
+
+/**
+ * Enable PLL96
+ */
+static inline void
+da1469x_clock_sys_pll_enable(void)
+{
+    CRG_XTAL->PLL_SYS_CTRL1_REG |= CRG_XTAL_PLL_SYS_CTRL1_REG_PLL_EN_Msk |
+                                   CRG_XTAL_PLL_SYS_CTRL1_REG_LDO_PLL_ENABLE_Msk;
+}
+
+/**
+ * Disable PLL96
+ *
+ * If PLL was used as SYS_CLOCK switches to XTAL32M.
+ */
+void da1469x_clock_sys_pll_disable(void);
+
+/**
+ * Checks whether PLL96 is locked and can be use as system clock or USB clock
+ *
+ * @return 0 if PLL is off, non-0 it its running
+ */
+static inline int
+da1469x_clock_is_pll_locked(void)
+{
+    return 0 != (CRG_XTAL->PLL_SYS_STATUS_REG & CRG_XTAL_PLL_SYS_STATUS_REG_PLL_LOCK_FINE_Msk);
+}
+
+/**
+ * Waits for PLL96 to lock.
+ */
+void da1469x_clock_pll_wait_to_lock(void);
+
+/**
+ * Switches system clock to PLL96
+ *
+ * Caller shall ensure that PLL is already locked.
+ */
+void da1469x_clock_sys_pll_switch(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MCU_DA1469X_CLOCK_H_ */