add Nios II app

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1307 bbd45198-f89e-11dd-88c7-29a3b14d5316

9 files changed, 631 insertions, 0 deletions

diff --git a/bsp/nios_ii/application.c b/bsp/nios_ii/application.c
new file mode 100644
index 0000000000..eeca09a9f1
--- /dev/null
+++ b/bsp/nios_ii/application.c
@@ -0,0 +1,114 @@
+/*

+ * File      : application.c

+ * This file is part of RT-Thread RTOS

+ * COPYRIGHT (C) 2006-2011, 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

+ * 2011-02-14     aozima       first implementation for Nios II.

+ * 2011-03-04     aozima       add led.

+ */

+

+#include <rtthread.h>

+#include "board.h"

+

+/**

+ * @addtogroup NIOS_II

+ */

+

+/*@{*/

+

+#include "system.h"

+#include "altera_avalon_pio_regs.h"

+

+// trun on led n

+#define rt_hw_led_on(n)  IOWR_ALTERA_AVALON_PIO_DATA(\

+                         LED_BASE,\

+                         IORD_ALTERA_AVALON_PIO_DATA(LED_BASE) | 1<<n)

+// trun off led n

+#define rt_hw_led_off(n) IOWR_ALTERA_AVALON_PIO_DATA(\

+                         LED_BASE,\

+                         IORD_ALTERA_AVALON_PIO_DATA(LED_BASE) & ~(1<<n) )

+

+ALIGN(RT_ALIGN_SIZE)

+static char thread_led1_stack[1024];

+struct rt_thread thread_led1;

+static void rt_thread_entry_led1(void* parameter)

+{

+    unsigned int count=0;

+    while (1)

+    {

+        /* led1 on */

+#ifndef RT_USING_FINSH

+        rt_kprintf("led1 on,count : %d\r\n",count);

+#endif

+        count++;

+        rt_hw_led_on(1);

+        /* sleep 0.5 second and switch to other thread */

+        rt_thread_delay(RT_TICK_PER_SECOND/2);

+

+        /* led1 off */

+#ifndef RT_USING_FINSH

+        rt_kprintf("led1 off\r\n");

+#endif

+        rt_hw_led_off(1);

+        rt_thread_delay(RT_TICK_PER_SECOND/2);

+    }

+}

+

+ALIGN(RT_ALIGN_SIZE)

+static char thread_led2_stack[1024];

+struct rt_thread thread_led2;

+void rt_thread_entry_led2(void* parameter)

+{

+    unsigned int count=0;

+    while (1)

+    {

+        /* led2 on */

+#ifndef RT_USING_FINSH

+        rt_kprintf("led2 on,count : %d\r\n",count);

+#endif

+        count++;

+        rt_hw_led_on(2);

+        rt_thread_delay(RT_TICK_PER_SECOND);

+

+        /* led2 off */

+#ifndef RT_USING_FINSH

+        rt_kprintf("led2 off\r\n");

+#endif

+        rt_hw_led_off(2);

+        rt_thread_delay(RT_TICK_PER_SECOND);

+    }

+}

+

+int rt_application_init()

+{

+    // led_init();

+

+    //------- init led1 thread

+    rt_thread_init(&thread_led1,

+                   "led1",

+                   rt_thread_entry_led1,

+                   RT_NULL,

+                   &thread_led1_stack[0],

+                   sizeof(thread_led1_stack),11,5);

+    rt_thread_startup(&thread_led1);

+

+    //------- init led2 thread

+    rt_thread_init(&thread_led2,

+                   "led2",

+                   rt_thread_entry_led2,

+                   RT_NULL,

+                   &thread_led2_stack[0],

+                   sizeof(thread_led2_stack),12,5);

+    rt_thread_startup(&thread_led2);

+

+    return 0;

+}

+

+/*@}*/

+

diff --git a/bsp/nios_ii/board.c b/bsp/nios_ii/board.c
new file mode 100644
index 0000000000..697aacb3df
--- /dev/null
+++ b/bsp/nios_ii/board.c
@@ -0,0 +1,87 @@
+/*

+ * File      : board.c

+ * This file is part of RT-Thread RTOS

+ * COPYRIGHT (C) 2006-2011, 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

+ * 2011-02-14     aozima       first implementation for Nios II.

+ */

+

+

+#include <rthw.h>

+#include <rtthread.h>

+

+#include <stdio.h>

+#include "system.h"

+#include "sys/alt_irq.h"

+#include "altera_avalon_timer_regs.h"

+

+#include "uart.h"

+

+extern int alt_irq_register (alt_u32 id,

+                             void*   context,

+                             void (*alt_isr_func)(void* isr_context, alt_u32 id) );

+

+/**

+ * @addtogroup NIOS_II

+ */

+

+/*@{*/

+

+/**

+ * This is the timer interrupt service routine.

+ *

+ */

+void rt_hw_timer_handler(void * context,unsigned long id)

+{

+    void* base = (void*)TIMER_BASE;

+

+    /* clear the interrupt */

+    IOWR_ALTERA_AVALON_TIMER_STATUS (base, 0);

+

+    /* enter interrupt */

+    rt_interrupt_enter();

+

+    rt_tick_increase();

+

+    /* leave interrupt */

+    rt_interrupt_leave();

+}

+

+void sysTick_config(void)

+{

+    void* base = (void*)TIMER_BASE;

+

+    IOWR_ALTERA_AVALON_TIMER_CONTROL (base,

+                                      ALTERA_AVALON_TIMER_CONTROL_ITO_MSK  |

+                                      ALTERA_AVALON_TIMER_CONTROL_CONT_MSK |

+                                      ALTERA_AVALON_TIMER_CONTROL_START_MSK);

+

+    alt_irq_register (TIMER_IRQ, NULL, rt_hw_timer_handler);

+}

+

+static void rt_hw_show_info(void)

+{

+    rt_kprintf("\r\n\r\n---------- board info ----------\r\n");

+    rt_kprintf("ALT_DEVICE_FAMILY:    %s\r\n",ALT_DEVICE_FAMILY);

+    rt_kprintf("ALT_CPU_ARCHITECTURE: %s\r\n",ALT_CPU_ARCHITECTURE);

+    rt_kprintf("ALT_CPU_CPU_FREQ:     %u\r\n",ALT_CPU_CPU_FREQ);

+    rt_kprintf("memory size:          at 0x%08X 0x%08X byte\r\n",SDRAM_BASE,SDRAM_SPAN);

+}

+

+void rt_hw_board_init(void)

+{

+    rt_hw_uart_init();

+    rt_console_set_device("uart");

+    rt_hw_show_info();

+

+    sysTick_config();

+}

+

+/*@}*/

+

diff --git a/bsp/nios_ii/board.h b/bsp/nios_ii/board.h
new file mode 100644
index 0000000000..a9a7faeff0
--- /dev/null
+++ b/bsp/nios_ii/board.h
@@ -0,0 +1,22 @@
+/*

+ * File      : board.h

+ * This file is part of RT-Thread RTOS

+ * COPYRIGHT (C) 2006-2011, 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

+ * 2011-02-14     aozima       first implementation for Nios II.

+ */

+

+#ifndef BOARD_H_INCLUDED

+#define BOARD_H_INCLUDED

+

+#include <rthw.h>

+

+extern void rt_hw_board_init(void);

+

+#endif // BOARD_H_INCLUDED

diff --git a/bsp/nios_ii/readme_cn.txt b/bsp/nios_ii/readme_cn.txt
new file mode 100644
index 0000000000..87b97705a2
--- /dev/null
+++ b/bsp/nios_ii/readme_cn.txt
@@ -0,0 +1,39 @@
+1. �����淽������һ���հ�Nios II����.

+2. ���ӱ�Ŀ¼������Դ�����ͷ�ļ�,������RT-Thread�ں˼�Nios II CPU����Ҫ���ļ�.

+��rt-thread

+   ��

+   ����include

+   ��      rtdef.h

+   ��      rthw.h

+   ��      rtm.h

+   ��      rtthread.h

+   ��

+   ����libcpu

+   ��  ����nios

+   ��      ����nios_ii

+   ��              context_gcc.S

+   ��              interrupt.c

+   ��              stack.c

+   ��              vector.S

+   ��

+   ����src

+           clock.c

+           device.c

+           idle.c

+           ipc.c

+           irq.c

+           kservice.c

+           kservice.h

+           mem.c

+           mempool.c

+           module.c

+           module.h

+           object.c

+           rtm.c

+           scheduler.c

+           SConscript

+           slab.c

+           thread.c

+           timer.c

+3. ����ͷ�ļ�����·��

+4. ������Ҫ�޸�rtconfig.h (Ĭ��Ϊ�����ں�)

diff --git a/bsp/nios_ii/readme_en.txt b/bsp/nios_ii/readme_en.txt
new file mode 100644
index 0000000000..b5a4eda5ac
--- /dev/null
+++ b/bsp/nios_ii/readme_en.txt
@@ -0,0 +1,2 @@
+see readme_cn.txt

+^_^
\ No newline at end of file
diff --git a/bsp/nios_ii/rtconfig.h b/bsp/nios_ii/rtconfig.h
new file mode 100644
index 0000000000..9248602ab0
--- /dev/null
+++ b/bsp/nios_ii/rtconfig.h
@@ -0,0 +1,140 @@
+/* RT-Thread config file */

+#ifndef __RTTHREAD_CFG_H__

+#define __RTTHREAD_CFG_H__

+

+/* RT_NAME_MAX*/

+#define RT_NAME_MAX	8

+

+/* RT_ALIGN_SIZE*/

+#define RT_ALIGN_SIZE	4

+

+/* PRIORITY_MAX */

+#define RT_THREAD_PRIORITY_MAX	32

+

+/* Tick per Second */

+/* TIMER_TICKS_PER_SEC define in system.h */

+#define RT_TICK_PER_SECOND	1000 //TIMER_TICKS_PER_SEC

+

+/* SECTION: RT_DEBUG */

+/* Thread Debug */

+#define RT_DEBUG

+//#define THREAD_DEBUG

+//#define SCHEDULER_DEBUG

+//#define IRQ_DEBUG

+

+#define IDLE_THREAD_STACK_SIZE 1024

+

+#define RT_USING_OVERFLOW_CHECK

+

+/* Using Hook */

+#define RT_USING_HOOK

+

+/* Using Software Timer */

+/* #define RT_USING_TIMER_SOFT */

+#define RT_TIMER_THREAD_PRIO		4

+#define RT_TIMER_THREAD_STACK_SIZE	512

+#define RT_TIMER_TICK_PER_SECOND	10

+

+/* SECTION: IPC */

+/* Using Semaphore*/

+#define RT_USING_SEMAPHORE

+

+/* Using Mutex */

+#define RT_USING_MUTEX

+

+/* Using Event */

+#define RT_USING_EVENT

+

+/* Using MailBox */

+#define RT_USING_MAILBOX

+

+/* Using Message Queue */

+#define RT_USING_MESSAGEQUEUE

+

+/* SECTION: Memory Management */

+/* Using Memory Pool Management*/

+#define RT_USING_MEMPOOL

+

+/* Using Dynamic Heap Management */

+#define RT_USING_HEAP

+

+/* Using Small MM */

+#define RT_USING_SMALL_MEM

+

+/* SECTION: Device System */

+/* Using Device System */

+#define RT_USING_DEVICE

+#define RT_USING_UART1

+

+/* SECTION: Console options */

+/* the buffer size of console*/

+#define RT_CONSOLEBUF_SIZE	128

+

+#define RT_USING_NEWLIB

+

+/* SECTION: finsh, a C-Express shell */

+#define RT_USING_FINSH

+/* Using symbol table */

+#define FINSH_USING_SYMTAB

+#define FINSH_USING_DESCRIPTION

+#define __fsymtab_start _alt_partition_FSymTab_start

+#define __fsymtab_end   _alt_partition_FSymTab_end

+#define __vsymtab_start _alt_partition_VSymTab_start

+#define __vsymtab_end   _alt_partition_VSymTab_end

+

+/* SECTION: device filesystem */

+//#define RT_USING_DFS

+#define RT_USING_DFS_ELMFAT

+

+/* the max number of mounted filesystem */

+#define DFS_FILESYSTEMS_MAX			2

+/* the max number of opened files 		*/

+#define DFS_FD_MAX					4

+/* the max number of cached sector 		*/

+#define DFS_CACHE_MAX_NUM   		4

+

+/* SECTION: lwip, a lighwight TCP/IP protocol stack */

+//#define RT_USING_LWIP

+/* LwIP uses RT-Thread Memory Management */

+#define RT_LWIP_USING_RT_MEM

+/* Enable ICMP protocol*/

+#define RT_LWIP_ICMP

+/* Enable UDP protocol*/

+#define RT_LWIP_UDP

+/* Enable TCP protocol*/

+#define RT_LWIP_TCP

+/* Enable DNS */

+#define RT_LWIP_DNS

+

+/* the number of simulatenously active TCP connections*/

+#define RT_LWIP_TCP_PCB_NUM	5

+

+/* ip address of target*/

+#define RT_LWIP_IPADDR0	192

+#define RT_LWIP_IPADDR1	168

+#define RT_LWIP_IPADDR2	1

+#define RT_LWIP_IPADDR3	30

+

+/* gateway address of target*/

+#define RT_LWIP_GWADDR0	192

+#define RT_LWIP_GWADDR1	168

+#define RT_LWIP_GWADDR2	1

+#define RT_LWIP_GWADDR3	1

+

+/* mask address of target*/

+#define RT_LWIP_MSKADDR0	255

+#define RT_LWIP_MSKADDR1	255

+#define RT_LWIP_MSKADDR2	255

+#define RT_LWIP_MSKADDR3	0

+

+/* tcp thread options */

+#define RT_LWIP_TCPTHREAD_PRIORITY		12

+#define RT_LWIP_TCPTHREAD_MBOX_SIZE		4

+#define RT_LWIP_TCPTHREAD_STACKSIZE		1024

+

+/* ethernet if thread options */

+#define RT_LWIP_ETHTHREAD_PRIORITY		15

+#define RT_LWIP_ETHTHREAD_MBOX_SIZE		4

+#define RT_LWIP_ETHTHREAD_STACKSIZE		512

+

+#endif

diff --git a/bsp/nios_ii/startup.c b/bsp/nios_ii/startup.c
new file mode 100644
index 0000000000..2f5a6a27bf
--- /dev/null
+++ b/bsp/nios_ii/startup.c
@@ -0,0 +1,99 @@
+/*

+ * File      : startup.c

+ * This file is part of RT-Thread RTOS

+ * COPYRIGHT (C) 2006-2011, 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

+ * 2011-02-14     aozima       first implementation for Nios II.

+ * 2011-03-04     aozima       add HEAP and finsh support .

+ */

+

+#include <rtthread.h>

+#include "system.h"

+#include "board.h"

+

+/**

+ * @addtogroup NIOS_II

+ */

+

+/*@{*/

+

+extern int rt_application_init(void);

+

+#ifdef RT_USING_FINSH

+extern void finsh_system_init(void);

+extern void finsh_set_device(const char* device);

+#endif

+

+#ifdef RT_USING_HEAP

+extern int _alt_partition_sdram_load_addr;

+#endif

+

+/**

+ * This function will startup RT-Thread RTOS.

+ */

+void rtthread_startup(void)

+{

+    /* init board */

+    rt_hw_board_init();

+

+    /* show version */

+    rt_show_version();

+

+    /* init tick */

+    rt_system_tick_init();

+

+    /* init kernel object */

+    rt_system_object_init();

+

+    /* init timer system */

+    rt_system_timer_init();

+

+#ifdef RT_USING_HEAP

+    rt_system_heap_init( &_alt_partition_sdram_load_addr, (void*)(SDRAM_BASE + SDRAM_SPAN) );

+#endif

+

+    /* init scheduler system */

+    rt_system_scheduler_init();

+

+    /* init application */

+    rt_application_init();

+

+    /* init timer thread */

+    rt_system_timer_thread_init();

+

+#ifdef RT_USING_FINSH

+    /* init finsh */

+    finsh_system_init();

+    finsh_set_device("uart");

+#endif

+

+    /* init idle thread */

+    rt_thread_idle_init();

+

+    /* start scheduler */

+    rt_system_scheduler_start();

+

+    /* never reach here */

+    return ;

+}

+

+int main(void)

+{

+    rt_uint32_t UNUSED level;

+

+    /* disable interrupt first */

+    level = rt_hw_interrupt_disable();

+

+    /* startup RT-Thread RTOS */

+    rtthread_startup();

+

+    return 0;

+}

+

+/*@}*/

diff --git a/bsp/nios_ii/uart.c b/bsp/nios_ii/uart.c
new file mode 100644
index 0000000000..463b02e34b
--- /dev/null
+++ b/bsp/nios_ii/uart.c
@@ -0,0 +1,122 @@
+#include <rthw.h>

+#include <rtthread.h>

+

+

+#include <stdio.h>

+#include <stdint.h>

+#include <string.h>

+

+#include "system.h"

+#include "sys/alt_irq.h"

+#include "altera_avalon_uart_regs.h"

+

+extern int alt_irq_register (alt_u32 id,

+                             void*   context,

+                             void (*alt_isr_func)(void* isr_context, alt_u32 id) );

+

+static void set_baudrate(unsigned int baudrate)

+{

+    IOWR_ALTERA_AVALON_UART_DIVISOR(RS232_BASE,

+                                    (unsigned int)(ALT_CPU_FREQ/baudrate+0.5) );

+}

+

+/********* rt-thread *********/

+#include <rtthread.h>

+

+struct rt_device   uart_device;

+uint8_t     rx_buf[100];

+uint32_t    rx_put_index;

+uint32_t    rx_get_index;

+

+static rt_err_t rt_uart_init (rt_device_t dev)

+{

+    set_baudrate(115200);

+

+    IOWR_ALTERA_AVALON_UART_CONTROL(RS232_BASE, 0x80);//�����ж�ʹ��

+    IOWR_ALTERA_AVALON_UART_STATUS(RS232_BASE, 0x0); // clean status

+

+    rx_put_index = 0;

+    rx_get_index = 0;

+

+    return RT_EOK;

+}

+

+static rt_err_t rt_uart_open(rt_device_t dev, rt_uint16_t oflag)

+{

+    return RT_EOK;

+}

+

+static rt_err_t rt_uart_close(rt_device_t dev)

+{

+    return RT_EOK;

+}

+

+static rt_size_t rt_uart_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)

+{

+    if( rx_get_index )

+    {

+        *(uint8_t *)buffer = rx_buf[0];

+        rx_get_index--;

+        return size;

+    }

+    return 0;

+}

+

+static rt_size_t rt_uart_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)

+{

+    const char * write_point = buffer;

+    while(size--)

+    {

+        if(*write_point == '\n')

+        {

+            IOWR_ALTERA_AVALON_UART_TXDATA(RS232_BASE,'\r');

+            while( !(IORD_ALTERA_AVALON_UART_STATUS(RS232_BASE)&(1<<6)) ); // status bit6 : TRDY

+        }

+        IOWR_ALTERA_AVALON_UART_TXDATA(RS232_BASE,*write_point);

+        write_point++;

+        while( !(IORD_ALTERA_AVALON_UART_STATUS(RS232_BASE)&(1<<6)) ); // status bit6 : TRDY

+    }

+

+    return size;

+}

+

+static rt_err_t rt_uart_control(rt_device_t dev, rt_uint8_t cmd, void *args)

+{

+    return RT_EOK;

+}

+

+static void uart_isr(void * context,alt_u32 id)

+{

+    rx_buf[rx_get_index] = IORD_ALTERA_AVALON_UART_RXDATA(RS232_BASE);

+    rx_get_index++;

+    if (uart_device.rx_indicate != RT_NULL)

+    {

+        uart_device.rx_indicate(&uart_device, 1);

+    }

+}

+

+void rt_hw_uart_init(void)

+{

+    // init uart

+    set_baudrate(115200);

+    IOWR_ALTERA_AVALON_UART_CONTROL(RS232_BASE, 0x80);//�����ж�ʹ��

+    IOWR_ALTERA_AVALON_UART_STATUS(RS232_BASE, 0x0); // clean status

+    alt_irq_register(RS232_IRQ, NULL, uart_isr);

+

+    // register device

+    uart_device.type = RT_Device_Class_Char;

+    /* device interface */

+    uart_device.init 	    = rt_uart_init;

+    uart_device.open 	    = rt_uart_open;

+    uart_device.close       = rt_uart_close;

+    uart_device.read 	    = rt_uart_read;

+    uart_device.write       = rt_uart_write;

+    uart_device.control     = rt_uart_control;

+

+    uart_device.user_data   = RT_NULL;

+    uart_device.rx_indicate = RT_NULL;

+    uart_device.tx_complete = RT_NULL;

+

+    rt_device_register(&uart_device,

+                       "uart", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);

+}

diff --git a/bsp/nios_ii/uart.h b/bsp/nios_ii/uart.h
new file mode 100644
index 0000000000..8fa5cb976b
--- /dev/null
+++ b/bsp/nios_ii/uart.h
@@ -0,0 +1,6 @@
+#ifndef UART_H_INCLUDED

+#define UART_H_INCLUDED

+

+extern void rt_hw_uart_init(void);

+

+#endif // UART_H_INCLUDED