lpc43xx: move board.c into M0/M4

bsp/lpc43xx/M0/applications/board.c

+/*
+ * File      : board.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2014 RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2009-01-05     Bernard      first implementation
+ * 2014-06-20     xiaonong     ported to LPC43xx
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+
+#include "board.h"
+#include "drv_uart.h"
+
+
+/** M0 does not have SysTick so we have to use RIT timer for it... */
+void RIT_OR_WWDT_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+
+    rt_tick_increase();
+
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+/**
+ * This function will initial LPC43xx board.
+ */
+void rt_hw_board_init()
+{
+    /* set pend exception priority */
+    NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1);
+
+    /* init uart device */
+    rt_hw_uart_init();
+
+    /* setup the console device */
+    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+}
+