Merge pull request #3913 from Michael0066/master

MIPS:fix the RT_EXCEPTION_MAX value

Author: BernardXiong

bsp/ls2kdev/drivers/board.c

@@ -16,26 +16,36 @@
 #include "exception.h"
 #include "drv_uart.h"
 #include "board.h"
+#include "ls2k1000.h"
+
 /**
  * this function will reset CPU
  *
  */
 void rt_hw_cpu_reset(void)
 {
+    WDT_EN = 0x01;
+    WDT_TIMER = 0x01;
+    WDT_SET = 0x01;
     rt_kprintf("reboot system...\n");
     while (1);
 }
+MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset cpu);
+
 
 /**
  * this function will shutdown CPU
  *
  */
 void rt_hw_cpu_shutdown(void)
 {
+    PM1_STS &= 0xffffffff;
+    PM1_CNT = 0x3c00;
     rt_kprintf("shutdown...\n");
 
     while (1);
 }
+MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_shutdown, poweroff, shutdown cpu);
 
 
 /**

bsp/ls2kdev/drivers/ls2k1000.h

@@ -3,6 +3,7 @@
 
 #include <mips.h>
 #include "interrupt.h"
+#include <rthw.h>
 
 #define APB_BASE         CKSEG1ADDR(0xbfe00000)
 
@@ -24,6 +25,28 @@
 
 #define GEN_CONFIG0_REG  (0xFFFFFFFFBfe10420)
 
+
+/*
+ * General PM Configuration Register
+ */
+#define PMCON_BASE          (APB_BASE | (0x7 << 12))
+
+/*
+ * Power Management1 Configuration Registers
+ */
+#define PM1_BASE            (PMCON_BASE + 0x0C)
+#define PM1_STS             HWREG32(PM1_BASE)
+#define PM1_EN              HWREG32(PM1_BASE + 0x04)
+#define PM1_CNT             HWREG32(PM1_BASE + 0x08)
+	
+/*
+ * Watch Dog Configuration Registers
+ */
+#define WDT_BASE            (PMCON_BASE + 0x30)
+#define WDT_EN              HWREG32(WDT_BASE)
+#define WDT_SET             HWREG32(WDT_BASE + 0x04)
+#define WDT_TIMER           HWREG32(WDT_BASE + 0x08)
+
 void rt_hw_timer_handler(void);
 void rt_hw_uart_init(void);
 

libcpu/mips/common/exception.c

@@ -74,7 +74,7 @@ void rt_hw_interrupt_enable(rt_base_t level)
 /**
  * exception handle table
  */
-#define RT_EXCEPTION_MAX 31
+#define RT_EXCEPTION_MAX 32
 exception_func_t sys_exception_handlers[RT_EXCEPTION_MAX];
 
 /**