Initial work for porting NXP Kinetis K28FA

Author: Pasi Miettinen

hw/bsp/board_mcu.h

@@ -50,6 +50,9 @@
 #elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L, OPT_MCU_KINETIS_K)
   #include "fsl_device_registers.h"
 
+#elif TU_CHECK_MCU(OPT_MCU_KINETIS_K28F)
+  #include "fsl_device_registers.h"
+
 #elif CFG_TUSB_MCU == OPT_MCU_NRF5X
   #include "nrf.h"
 

hw/bsp/kinetis_k28/boards/frdm_k28fa15/board.h

@@ -0,0 +1,56 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#include "fsl_device_registers.h"
+
+// Green LED
+#define LED_PIN_CLOCK         kCLOCK_PortE
+#define LED_GPIO              GPIOE
+#define LED_PORT              PORTE
+#define LED_PIN               6
+#define LED_STATE_ON          1
+
+// SW3 button1
+#define BUTTON_PIN_CLOCK      kCLOCK_PortD
+#define BUTTON_GPIO           GPIOD
+#define BUTTON_PORT           PORTD
+#define BUTTON_PIN            0
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_PORT             LPUART0
+#define UART_PIN_CLOCK        kCLOCK_PortC
+#define UART_PIN_PORT         PORTC
+#define UART_PIN_RX           24u
+#define UART_PIN_TX           25u
+#define SOPT5_LPUART0RXSRC_LPUART_RX 0x00u /*!<@brief LPUART0 Receive Data Source Select: LPUART_RX pin */
+#define SOPT5_LPUART0TXSRC_LPUART_TX 0x00u /*!<@brief LPUART0 Transmit Data Source Select: LPUART0_TX pin */
+
+#endif /* BOARD_H_ */

hw/bsp/kinetis_k28/boards/frdm_k28fa15/board.mk

@@ -0,0 +1,18 @@
+MCU = MK28FA15
+
+CFLAGS += -DCPU_MK28FN2M0AVMI15
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-unused-parameter -Wno-redundant-decls
+
+# All source paths should be relative to the top level.
+LD_FILE = $(MCU_DIR)/gcc/MK28FN2M0Axxx15_flash.ld
+
+# For flash-jlink target
+JLINK_DEVICE = MK28FN2M0Axxx15
+
+# For flash-pyocd target
+PYOCD_TARGET = MK28FA15
+
+# flash using pyocd
+flash: flash-pyocd