update lpc2148

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1514 bbd45198-f89e-11dd-88c7-29a3b14d5316

libcpu/arm/lpc214x/cpu.c

-/*
- * File      : cpu.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, 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
- * 2006-08-23     Bernard      first version
- */
-
-#include <rtthread.h>
-#include "lpc214x.h"
-
-/**
- * @addtogroup LPC214x
- */
-/*@{*/
-
-/**
- * this function will reset CPU
- *
- */
-void rt_hw_cpu_reset()
-{
-}
-
-/**
- * this function will shutdown CPU
- *
- */
-void rt_hw_cpu_shutdown()
-{
-	rt_kprintf("shutdown...\n");
-
-	while (1);
-}
-
-/*@}*/

libcpu/arm/lpc214x/interrupt.c → libcpu/arm/lpc214x/cpuport.c

-/*
- * File      : trap.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-08-23     Bernard      first version
- */
-
-#include <rtthread.h>
+/*
+ * File      : cpuport.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2011, RT-Thread Development 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
+ * 2011-06-15     aozima       the first version for lpc214x
+ */
+
+#include <rtthread.h>
 #include "lpc214x.h"
+
+#define MAX_HANDLERS	32
+#define SVCMODE		    0x13
 
-#define MAX_HANDLERS	32
-
-extern rt_uint32_t rt_interrupt_nest;
-
-rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
-rt_uint32_t rt_thread_switch_interrput_flag;
+extern rt_uint32_t rt_interrupt_nest;
 
 /**
  * @addtogroup LPC214x
  */
-/*@{*/
+/*@{*/
+
+/**
+ * This function will initialize thread stack
+ *
+ * @param tentry the entry of thread
+ * @param parameter the parameter of entry
+ * @param stack_addr the beginning stack address
+ * @param texit the function will be called when thread exit
+ *
+ * @return stack address
+ */
+rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
+	rt_uint8_t *stack_addr, void *texit)
+{
+	unsigned long *stk;
+
+	stk 	 = (unsigned long *)stack_addr;
+	*(stk) 	 = (unsigned long)tentry;		/* entry point */
+	*(--stk) = (unsigned long)texit;		/* lr */
+	*(--stk) = 0;							/* r12 */
+	*(--stk) = 0;							/* r11 */
+	*(--stk) = 0;							/* r10 */
+	*(--stk) = 0;							/* r9 */
+	*(--stk) = 0;							/* r8 */
+	*(--stk) = 0;							/* r7 */
+	*(--stk) = 0;							/* r6 */
+	*(--stk) = 0;							/* r5 */
+	*(--stk) = 0;							/* r4 */
+	*(--stk) = 0;							/* r3 */
+	*(--stk) = 0;							/* r2 */
+	*(--stk) = 0;							/* r1 */
+	*(--stk) = (unsigned long)parameter;	/* r0 : argument */
+	*(--stk) = SVCMODE;						/* cpsr */
+	*(--stk) = SVCMODE;						/* spsr */
 
+	/* return task's current stack address */
+	return (rt_uint8_t *)stk;
+}
+
+/* exception and interrupt handler table */
+rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
+rt_uint32_t rt_thread_switch_interrput_flag;
+
 void rt_hw_interrupt_handler(int vector)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
-}
+}
 
 /**
  * This function will initialize hardware interrupt
@@ -39,7 +79,7 @@ void rt_hw_interrupt_init()
 {
 	rt_base_t index;
 	rt_uint32_t *vect_addr, *vect_ctl;
-    
+
 	/* initialize VIC*/
 	VICIntEnClr = 0xffffffff;
 	VICVectAddr = 0;
@@ -60,7 +100,7 @@ void rt_hw_interrupt_init()
 	rt_interrupt_from_thread = 0;
 	rt_interrupt_to_thread = 0;
 	rt_thread_switch_interrput_flag = 0;
-}
+}
 
 /**
  * This function will mask a interrupt.
@@ -69,8 +109,8 @@ void rt_hw_interrupt_init()
 void rt_hw_interrupt_mask(int vector)
 {
 	VICIntEnClr = (1 << vector);
-}
-
+}
+
 /**
  * This function will un-mask a interrupt.
  * @param vector the interrupt number
@@ -78,8 +118,8 @@ void rt_hw_interrupt_mask(int vector)
 void rt_hw_interrupt_umask(int vector)
 {
 	VICIntEnable = (1 << vector);
-}
-
+}
+
 /**
  * This function will install a interrupt service routine to a interrupt.
  * @param vector the interrupt number
@@ -100,6 +140,41 @@ void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_ha
 		if (old_handler != RT_NULL) *old_handler = (rt_isr_handler_t) *vect_addr;
 		if (new_handler != RT_NULL) *vect_addr = (rt_uint32_t) new_handler;
 	}
+}
+
+/**
+ * this function will reset CPU
+ *
+ */
+void rt_hw_cpu_reset()
+{
+}
+
+/**
+ * this function will shutdown CPU
+ *
+ */
+void rt_hw_cpu_shutdown()
+{
+	rt_kprintf("shutdown...\n");
+
+	while (1);
+}
+
+void rt_hw_trap_irq()
+{
+	rt_isr_handler_t isr_func;
+
+	isr_func = (rt_isr_handler_t) VICVectAddr;
+	isr_func(0);
+
+	/* acknowledge Interrupt */
+	// VICVectAddr = 0;
 }
 
+void rt_hw_trap_fiq()
+{
+    rt_kprintf("fast interrupt request\n");
+}
+
 /*@}*/

libcpu/arm/lpc214x/stack.c

-/*
- * File      : stack.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-08-23     Bernard      the first version
- */
-#include <rtthread.h>
-
-#define SVCMODE		0x13
-
-/**
- * @addtogroup LPC214x
- */
-/*@{*/
-
-/**
- * This function will initialize thread stack
- *
- * @param tentry the entry of thread
- * @param parameter the parameter of entry
- * @param stack_addr the beginning stack address
- * @param texit the function will be called when thread exit
- *
- * @return stack address
- */
-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
-	rt_uint8_t *stack_addr, void *texit)
-{
-	unsigned long *stk;
-
-	stk 	 = (unsigned long *)stack_addr;
-	*(stk) 	 = (unsigned long)tentry;		/* entry point */
-	*(--stk) = (unsigned long)texit;		/* lr */
-	*(--stk) = 0;							/* r12 */
-	*(--stk) = 0;							/* r11 */
-	*(--stk) = 0;							/* r10 */
-	*(--stk) = 0;							/* r9 */
-	*(--stk) = 0;							/* r8 */
-	*(--stk) = 0;							/* r7 */
-	*(--stk) = 0;							/* r6 */
-	*(--stk) = 0;							/* r5 */
-	*(--stk) = 0;							/* r4 */
-	*(--stk) = 0;							/* r3 */
-	*(--stk) = 0;							/* r2 */
-	*(--stk) = 0;							/* r1 */
-	*(--stk) = (unsigned long)parameter;	/* r0 : argument */
-	*(--stk) = SVCMODE;						/* cpsr */
-	*(--stk) = SVCMODE;						/* spsr */
-
-	/* return task's current stack address */
-	return (rt_uint8_t *)stk;
-}
-
-/*@}*/

libcpu/arm/lpc214x/startup_gcc.S

 	.extern main                               /* 引入外部C入口 */
 
 	.extern __bss_beg__
-	.extern __bss_end__
+	.extern __bss_end
 	.extern __stack_end__
 	.extern __data_beg__
 	.extern __data_end__
@@ -66,9 +66,9 @@
     .equ PLLCON_PLLE,   (1<<0)      /* PLL Enable */
     .equ PLLCON_PLLC,   (1<<1)      /* PLL Connect */
     .equ PLLSTAT_LOCK,  (1<<10)     /* PLL Lock Status */
-    .equ PLLCFG_MSEL,   ((PLL_MUL - 1) << 0)
+    //.equ PLLCFG_MSEL,   ((PLL_MUL - 1) << 0)
     .equ PLLCFG_PSEL,	(0x02 << 5)
-    .equ PLLCFG_Val,	(PLLCFG_MSEL|PLLCFG_PSEL)
+    //.equ PLLCFG_Val,	(PLLCFG_MSEL|PLLCFG_PSEL)
 
     .equ  MEMMAP,		0xE01FC040     /*Memory Mapping Control*/
 
@@ -208,7 +208,7 @@ endless_loop:
 	.LC1:
 	.word   __bss_beg__
 	.LC2:
-	.word   __bss_end__
+	.word   __bss_end
 	.LC3:
 	.word   __data_beg__
 	.LC4:

libcpu/arm/lpc214x/trap.c

-/*
- * File      : trap.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-08-25     Bernard      first version
- */
-
-#include <rthw.h>
-#include <rtthread.h>
-#include "lpc214x.h"
-
-/**
- * @addtogroup LPC214x
- */
-/*@{*/
-
-void rt_hw_trap_irq()
-{
-	rt_isr_handler_t isr_func;
-	
-	isr_func = (rt_isr_handler_t) VICVectAddr;
-	isr_func(0);
-	
-	/* acknowledge Interrupt */
-	// VICVectAddr = 0;
-}
-
-void rt_hw_trap_fiq()
-{
-    rt_kprintf("fast interrupt request\n");
-}
-
-/*@}*/