add ls2k bsp

1 files changed, 99 insertions, 0 deletions

diff --git a/bsp/ls2kdev/drivers/board.c b/bsp/ls2kdev/drivers/board.c
new file mode 100644
index 0000000000..3edbae9ee7
--- /dev/null
+++ b/bsp/ls2kdev/drivers/board.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-04-05     bigmagic     Initial version
+ */
+
+#include <rtthread.h>
+#include <rthw.h>
+
+#include "mips_regs.h"
+#include "exception.h"
+#include "drv_uart.h"
+#include "board.h"
+/**
+ * this function will reset CPU
+ *
+ */
+void rt_hw_cpu_reset(void)
+{
+    rt_kprintf("reboot system...\n");
+    while (1);
+}
+
+/**
+ * this function will shutdown CPU
+ *
+ */
+void rt_hw_cpu_shutdown(void)
+{
+    rt_kprintf("shutdown...\n");
+
+    while (1);
+}
+
+
+/**
+ * This is the timer interrupt service routine.
+ */
+void rt_hw_timer_handler(void)
+{
+    unsigned int count;
+
+    count = read_c0_compare();
+    write_c0_compare(count);
+    write_c0_count(0);
+    /* increase a OS tick */
+    rt_tick_increase();
+}
+
+/**
+ * This function will initial OS timer
+ */
+void rt_hw_timer_init(void)
+{
+    write_c0_compare(CPU_HZ/2/RT_TICK_PER_SECOND);
+    write_c0_count(0);
+    mips_unmask_cpu_irq(7);
+}
+
+/**
+ * Board level initialization
+ */
+void rt_hw_board_init(void)
+{
+    rt_hw_exception_init();
+    /* init hardware interrupt */
+    rt_hw_interrupt_init();
+
+    #ifdef RT_USING_FPU
+    /* init hardware fpu */
+    rt_hw_fpu_init();
+    #endif
+
+#ifdef RT_USING_SERIAL
+    /* init hardware UART device */
+    rt_hw_uart_init();
+    /* set console device */
+    rt_console_set_device("uart");
+#endif
+
+#ifdef RT_USING_HEAP
+    rt_system_heap_init((void*)RT_HW_HEAP_BEGIN, (void*)RT_HW_HEAP_END);
+#endif
+
+    /* init operating system timer */
+    rt_hw_timer_init();
+
+
+#ifdef RT_USING_COMPONENTS_INIT
+    rt_components_board_init();
+#endif
+
+    rt_kprintf("Current SR: 0x%08x\n", read_c0_status());
+
+}