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update lpc2148 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1514 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong 2011-06-15 04:02:11 +00:00
parent d82200badd
commit 1a734fe2f4
5 changed files with 108 additions and 176 deletions
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42
libcpu/arm/lpc214x/cpu.c
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@ -1,42 +0,0 @@
/*
* 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);
}
/*@}*/

133
libcpu/arm/lpc214x/interrupt.c → libcpu/arm/lpc214x/cpuport.c
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@ -1,36 +1,76 @@
/*
* 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");
}
/*@}*/

61
libcpu/arm/lpc214x/stack.c
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@ -1,61 +0,0 @@
/*
* 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;
}
/*@}*/

8
libcpu/arm/lpc214x/startup_gcc.S
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@ -1,7 +1,7 @@
.extern main /* ÒýÈëÍⲿCÈë¿Ú */
.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:

40
libcpu/arm/lpc214x/trap.c
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@ -1,40 +0,0 @@
/*
* 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");
}
/*@}*/