更新mini2440 bsp包:

1、加入Kconfig以支持图形化菜单配置
2、编译脚本中添加动态模块编译参数
3、开启自动初始化机制支持
4、重构串口驱动以解决开启posix支持后终端无响应问题
5、解决dm9000网卡驱动link up问题
6、添加mnt.c文件用来挂载文件系统

10 files changed, 245 insertions, 299 deletions

diff --git a/bsp/mini2440/drivers/SConscript b/bsp/mini2440/drivers/SConscript
index 55c8b43cd5..8b36ce3aab 100644
--- a/bsp/mini2440/drivers/SConscript
+++ b/bsp/mini2440/drivers/SConscript
@@ -8,7 +8,7 @@ cwd     = os.path.join(str(Dir('#')), 'drivers')
 src = Split("""
 board.c
 led.c
-console.c
+uart.c
 """)
 
 if GetDepend('RT_USING_DFS'):
@@ -18,7 +18,7 @@ if GetDepend('RT_USING_LWIP'):
 	src += ['dm9000.c']
 
 if GetDepend('RT_USING_RTGUI'):
-    	src += ['touch.c', 'key.c', 'calibration.c']
+    	src += ['touch.c', 'key.c']
 
 if GetDepend('RT_USING_FTK'):
     	src += ['touch.c', 'key.c']
diff --git a/bsp/mini2440/drivers/board.c b/bsp/mini2440/drivers/board.c
index fc623386b4..14e2e426df 100644
--- a/bsp/mini2440/drivers/board.c
+++ b/bsp/mini2440/drivers/board.c
@@ -26,6 +26,29 @@
  */
 /*@{*/
 
+#if defined(__CC_ARM)
+    extern int Image$$ER_ZI$$ZI$$Base;
+    extern int Image$$ER_ZI$$ZI$$Length;
+    extern int Image$$ER_ZI$$ZI$$Limit;
+#elif (defined (__GNUC__))
+    rt_uint8_t _irq_stack_start[1024];
+    rt_uint8_t _fiq_stack_start[1024];
+    rt_uint8_t _undefined_stack_start[512];
+    rt_uint8_t _abort_stack_start[512];
+    rt_uint8_t _svc_stack_start[4096] SECTION(".nobss");
+#endif
+
+#if defined(__CC_ARM)
+extern int Image$$RW_IRAM1$$ZI$$Limit;
+#define HEAP_BEGIN      ((void*)&Image$$RW_IRAM1$$ZI$$Limit)
+#elif defined(__GNUC__)
+extern int __bss_end;
+#define HEAP_BEGIN      (((void*)&__bss_end) + 0x1000)
+#endif
+
+#define HEAP_END        (void*)(0x33F00000)
+
+
 extern rt_uint32_t PCLK, FCLK, HCLK, UCLK;
 
 extern void rt_hw_clock_init(void);
@@ -35,26 +58,6 @@ extern void rt_hw_get_clock(void);
 extern void rt_hw_set_dividor(rt_uint8_t hdivn, rt_uint8_t pdivn);
 extern void rt_hw_set_clock(rt_uint8_t sdiv, rt_uint8_t pdiv, rt_uint8_t mdiv);
 
-#define UART0	((struct uartport *)&U0BASE)
-struct serial_int_rx uart0_int_rx;
-struct serial_device uart0 =
-{
-	UART0,
-	&uart0_int_rx,
-	RT_NULL
-};
-struct rt_device uart0_device;
-
-#define UART2	((struct uartport *)&U2BASE)
-struct serial_int_rx uart2_int_rx;
-struct serial_device uart2 =
-{
-	UART2,
-	&uart2_int_rx,
-	RT_NULL
-};
-struct rt_device uart2_device;
-
 /**
  * This function will handle rtos timer
  */
@@ -64,92 +67,6 @@ static void rt_timer_handler(int vector, void *param)
 }
 
 /**
- * This function will handle serial
- */
-static void rt_serial0_handler(int vector, void *param)
-{
-	INTSUBMSK |= (BIT_SUB_RXD0);
-
-	rt_hw_serial_isr(&uart0_device);
-
-	SUBSRCPND |= BIT_SUB_RXD0;
-
-	/* Unmask sub interrupt (RXD0) */
-	INTSUBMSK  &=~(BIT_SUB_RXD0);
-}
-
-/**
- * This function will handle serial
- */
-static void rt_serial2_handler(int vector, void *param)
-{
-	INTSUBMSK |= (BIT_SUB_RXD2);
-
-	rt_hw_serial_isr(&uart2_device);
-
-	SUBSRCPND |= BIT_SUB_RXD2;
-
-	/* Unmask sub interrupt (RXD0) */
-	INTSUBMSK  &=~(BIT_SUB_RXD2);
-}
-
-/**
- * This function will handle init uart
- */
-static void rt_hw_uart_init(void)
-{
-	int i;
-	/* UART0 port configure */
-	GPHCON |= 0xAA;
-	/* PULLUP is disable */
-	GPHUP |= 0xF;
-
-	/* FIFO enable, Tx/Rx FIFO clear */
-	uart0.uart_device->ufcon = 0x0;
-	/* disable the flow control */
-	uart0.uart_device->umcon = 0x0;
-	/* Normal,No parity,1 stop,8 bit */
-	uart0.uart_device->ulcon = 0x3;
-	/*
-	 * tx=level,rx=edge,disable timeout int.,enable rx error int.,
-	 * normal,interrupt or polling
-	 */
-	uart0.uart_device->ucon = 0x245;
-	/* Set uart0 bps */
-	uart0.uart_device->ubrd = (rt_int32_t)(PCLK / (BPS * 16)) - 1;
-	/* output PCLK to UART0/1, PWMTIMER */
-	CLKCON |= 0x0D00;
-
-	/* FIFO enable, Tx/Rx FIFO clear */
-	uart2.uart_device->ufcon = 0x0;
-	/* disable the flow control */
-	uart2.uart_device->umcon = 0x0;
-	/* Normal,No parity,1 stop,8 bit */
-	uart2.uart_device->ulcon = 0x3;
-	/*
-	 * tx=level,rx=edge,disable timeout int.,enable rx error int.,
-	 * normal,interrupt or polling
-	 */
-	uart2.uart_device->ucon = 0x245;
-	/* Set uart0 bps */
-	uart2.uart_device->ubrd = (rt_int32_t)(PCLK / (BPS * 16)) - 1;
-
-	for (i = 0; i < 100; i++);
-
-	/* install uart0 isr */
-	INTSUBMSK &= ~(BIT_SUB_RXD0);
-
-	/* install uart2 isr */
-	INTSUBMSK &= ~(BIT_SUB_RXD2);
-
-	rt_hw_interrupt_install(INTUART0, rt_serial0_handler, RT_NULL, "UART0");
-	rt_hw_interrupt_umask(INTUART0);
-
-	rt_hw_interrupt_install(INTUART2, rt_serial2_handler, RT_NULL, "UART2");
-	rt_hw_interrupt_umask(INTUART2);
-}
-
-/**
  * This function will init timer4 for system ticks
  */
 static  void rt_hw_timer_init(void)
@@ -177,6 +94,12 @@ static  void rt_hw_timer_init(void)
  */
 void rt_hw_board_init(void)
 {
+	rt_hw_cpu_icache_enable();
+	rt_hw_cpu_dcache_enable();
+
+	/* init hardware interrupt */
+	rt_hw_interrupt_init();
+
 	/* initialize the system clock */
 	rt_hw_clock_init();
 
@@ -186,14 +109,27 @@ void rt_hw_board_init(void)
 	/* initialize led port */
 	rt_hw_led_init();
 
-	/* initialize uart */
-	rt_hw_uart_init();
-
 	/* initialize mmu */
 	rt_hw_mmu_init();
 
 	/* initialize timer4 */
 	rt_hw_timer_init();
+
+	/* initialize system heap */
+	rt_system_heap_init(HEAP_BEGIN, HEAP_END);
+
+	rt_components_board_init();
+
+#ifdef RT_USING_CONSOLE
+	rt_console_set_device("uart0");
+#endif
+
 }
 
+#ifdef RT_USING_MODULE
+int rt_system_module_init(void)
+{
+    return 0;
+}
+#endif
 /*@}*/
diff --git a/bsp/mini2440/drivers/board.h b/bsp/mini2440/drivers/board.h
index 2635ab147a..434f725216 100644
--- a/bsp/mini2440/drivers/board.h
+++ b/bsp/mini2440/drivers/board.h
@@ -16,7 +16,6 @@
 #define __BOARD_H__
 
 #include <s3c24x0.h>
-#include <serial.h>
 
 void rt_hw_board_init(void);
 void rt_hw_sdcard_init(void);
diff --git a/bsp/mini2440/drivers/console.c b/bsp/mini2440/drivers/console.c
deleted file mode 100644
index 70a57a7370..0000000000
--- a/bsp/mini2440/drivers/console.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#include <rtthread.h>
-
-#include <serial.h>
-
-#define RT_CONSOLE_WIDTH		240
-#define RT_CONSOLE_HEIGHT		320
-
-#define RT_CONSOLE_FONT_WIDTH	8
-#define RT_CONSOLE_FONT_HEIGHT	16
-
-#define RT_CONSOLE_COL			(RT_CONSOLE_WIDTH/RT_CONSOLE_FONT_WIDTH)
-#define RT_CONSOLE_ROW			(RT_CONSOLE_HEIGHT/RT_CONSOLE_FONT_HEIGHT)
-
-#define RT_CONSOLE_TAB			4
-
-#define RT_CONSOLE_FOREPIXEL	(0x001f)
-
-extern struct serial_device uart0;
-
-struct rt_console
-{
-	rt_uint8_t* video_ptr;
-	rt_uint8_t* font_ptr;
-
-	/* bpp and pixel of width */
-	rt_uint8_t bpp;
-	rt_uint32_t pitch;
-
-	/* current cursor */
-	rt_uint8_t current_col;
-	rt_uint8_t current_row;
-};
-struct rt_console console;
-
-void rt_hw_console_init(rt_uint8_t* video_ptr, rt_uint8_t* font_ptr, rt_uint8_t bpp);
-void rt_hw_console_newline(void);
-void rt_hw_console_putc(char c);
-void rt_hw_console_clear(void);
-
-void rt_hw_console_init(rt_uint8_t* video_ptr, rt_uint8_t* font_ptr, rt_uint8_t bpp)
-{
-	rt_memset(&console, 0, sizeof(struct rt_console));
-
-	console.video_ptr = video_ptr;
-	console.font_ptr = font_ptr;
-	console.bpp = bpp;
-	console.pitch = console.bpp * RT_CONSOLE_WIDTH;
-
-	rt_hw_console_clear();
-}
-
-void rt_hw_console_putc(char c)
-{
-	switch (c)
-	{
-        case 10:
-        case 11:
-        case 12:
-        case 13:
-			/* to next line */
-            rt_hw_console_newline();
-            console.current_col = 0;
-            break;
-
-        case 9:
-            console.current_col += RT_CONSOLE_TAB;
-            break;
-
-        default:
-			{
-				rt_uint8_t* font_ptr;
-				register rt_uint32_t cursor;
-				register rt_uint32_t i, j;
-
-				if (console.current_col == RT_CONSOLE_COL)
-				{
-					rt_hw_console_newline();
-					console.current_col = 0;
-
-					rt_hw_console_putc(c);
-					return;
-				}
-
-				font_ptr = console.font_ptr + c * RT_CONSOLE_FONT_HEIGHT;
-				cursor = (console.current_row * RT_CONSOLE_FONT_HEIGHT) * console.pitch
-					+ console.current_col * RT_CONSOLE_FONT_WIDTH * console.bpp;
-
-				for (i = 0; i < RT_CONSOLE_FONT_HEIGHT; i ++ )
-				{
-					for (j = 0; j < RT_CONSOLE_FONT_WIDTH; j ++)
-					{
-						if ( ((font_ptr[i] >> (7-j)) & 0x01) != 0 )
-						{
-							/* draw a pixel */
-							rt_uint8_t *ptr = &(console.video_ptr[cursor + i * console.pitch + j * console.bpp]);
-							switch(console.bpp)
-							{
-							case 1:
-								*ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							case 2:
-								*(rt_uint16_t*)ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							case 3:
-								ptr[0] = RT_CONSOLE_FOREPIXEL & 0xff;
-								ptr[1] = (RT_CONSOLE_FOREPIXEL >> 8) & 0xff;
-								ptr[2] = (RT_CONSOLE_FOREPIXEL >> 16) & 0xff;
-								break;
-							case 4:
-								*(rt_uint32_t*)ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							}
-						}
-					}
-				}
-
-				console.current_col ++;
-			}
-			break;
-	}
-}
-
-void rt_hw_console_newline()
-{
-	console.current_row ++;
-	if (console.current_row >= RT_CONSOLE_ROW)
-	{
-		rt_uint32_t i;
-
-		/* scroll to next line */
-		for (i = 0; i < RT_CONSOLE_ROW - 1; i ++)
-		{
-			rt_memcpy(console.video_ptr + i * RT_CONSOLE_FONT_HEIGHT * console.pitch,
-				console.video_ptr + (i + 1) * RT_CONSOLE_FONT_HEIGHT * console.pitch,
-				RT_CONSOLE_FONT_HEIGHT * console.pitch);
-		}
-
-		/* clear last line */
-		rt_memset(console.video_ptr + (RT_CONSOLE_ROW - 1) * RT_CONSOLE_FONT_HEIGHT * console.pitch,
-			0,
-			RT_CONSOLE_FONT_HEIGHT * console.pitch);
-
-		console.current_row = RT_CONSOLE_ROW - 1;
-	}
-}
-
-void rt_hw_console_clear()
-{
-	console.current_col = 0;
-	console.current_row = 0;
-
-	rt_memset(console.video_ptr, 0, RT_CONSOLE_HEIGHT * console.pitch);
-}
-
-/* write one character to serial, must not trigger interrupt */
-void rt_hw_serial_putc(const char c)
-{
-	/*
-		to be polite with serial console add a line feed
-		to the carriage return character
-	*/
-	if (c=='\n')rt_hw_serial_putc('\r');
-
-	while (!(uart0.uart_device->ustat & USTAT_TXB_EMPTY));
-	uart0.uart_device->utxh = (c & 0x1FF);
-}
-
-/**
- * This function is used by rt_kprintf to display a string on console.
- *
- * @param str the displayed string
- */
-void rt_hw_console_output(const char* str)
-{
-	while (*str)
-	{
-		rt_hw_serial_putc(*str++);
-	}
-}
-
diff --git a/bsp/mini2440/drivers/dm9000.c b/bsp/mini2440/drivers/dm9000.c
index e3f1f0d634..22afb322c7 100644
--- a/bsp/mini2440/drivers/dm9000.c
+++ b/bsp/mini2440/drivers/dm9000.c
@@ -287,6 +287,9 @@ static rt_err_t rt_dm9000_init(rt_device_t dev)
 		}
 	}
 
+	/* send a notify */
+	eth_device_linkchange(&dm9000_device.parent, RT_TRUE);
+
 	/* see what we've got */
 	lnk = phy_read(17) >> 12;
 	rt_kprintf("operating at ");
@@ -588,7 +591,7 @@ void INTEINT4_7_handler(int irqno, void *param)
 	EINTPEND = eint_pend;
 }
 
-void rt_hw_dm9000_init()
+int rt_hw_dm9000_init()
 {
 	/* Set GPF7 as EINT7 */
 	GPFCON = GPFCON & (~(3 << 14)) | (2 << 14);
@@ -641,6 +644,8 @@ void rt_hw_dm9000_init()
 	rt_hw_interrupt_umask(INTEINT4_7);
 }
 
+INIT_DEVICE_EXPORT(rt_hw_dm9000_init);
+
 void dm9000a(void)
 {
 	rt_kprintf("\n");
diff --git a/bsp/mini2440/drivers/dm9000.h b/bsp/mini2440/drivers/dm9000.h
index 1dda60bfd2..28499c22d8 100644
--- a/bsp/mini2440/drivers/dm9000.h
+++ b/bsp/mini2440/drivers/dm9000.h
@@ -143,6 +143,6 @@
 
 #define GPCR_GEP_CNTL       (1<<0)
 
-void rt_hw_dm9000_init(void);
+int rt_hw_dm9000_init(void);
 
 #endif
diff --git a/bsp/mini2440/drivers/key.c b/bsp/mini2440/drivers/key.c
index 3c73c7a788..d75ffd6d26 100644
--- a/bsp/mini2440/drivers/key.c
+++ b/bsp/mini2440/drivers/key.c
@@ -79,7 +79,7 @@ static void rt_hw_key_isr(void)
 /**
  * This function is only for QEMU emulation
  */
-static void rt_key_handler(int vector)
+static void rt_key_handler(int vector, void *param)
 {
 	INTSUBMSK |= (BIT_SUB_RXD1);
 
diff --git a/bsp/mini2440/drivers/sdcard.c b/bsp/mini2440/drivers/sdcard.c
index b2ab684e48..0f5b79bb25 100644
--- a/bsp/mini2440/drivers/sdcard.c
+++ b/bsp/mini2440/drivers/sdcard.c
@@ -550,7 +550,7 @@ static rt_size_t rt_sdcard_write(rt_device_t dev,
     return size;
 }
 
-void rt_hw_sdcard_init(void)
+int rt_hw_sdcard_init(void)
 {
     rt_uint8_t i, status;
     rt_uint8_t *sector;
@@ -574,7 +574,7 @@ void rt_hw_sdcard_init(void)
         {
             rt_kprintf("allocate partition sector buffer failed\n");
 
-            return;
+            return RT_ERROR;
         }
         status = sd_readblock(0, sector);
         if (status == RT_EOK)
@@ -637,12 +637,15 @@ void rt_hw_sdcard_init(void)
         /* release sector buffer */
         rt_free(sector);
 
-        return;
+        return RT_ERROR; 
     }
     else
     {
         rt_kprintf("sdcard init failed\n");
     }
+
+    return RT_EOK;
 }
 
+INIT_BOARD_EXPORT(rt_hw_sdcard_init);
 #endif
diff --git a/bsp/mini2440/drivers/touch.c b/bsp/mini2440/drivers/touch.c
index 08d41080be..e584c379e3 100644
--- a/bsp/mini2440/drivers/touch.c
+++ b/bsp/mini2440/drivers/touch.c
@@ -349,7 +349,7 @@ static void s3c2410_intc_stylus_updown(void)
 	SUBSRCPND |= BIT_SUB_TC;
 }
 
-static void rt_touch_handler(int irqno)
+static void rt_touch_handler(int irqno, void *param)
 {
 	if (SUBSRCPND & BIT_SUB_ADC)
 	{
diff --git a/bsp/mini2440/drivers/uart.c b/bsp/mini2440/drivers/uart.c
new file mode 100644
index 0000000000..f7bf1d9461
--- /dev/null
+++ b/bsp/mini2440/drivers/uart.c
@@ -0,0 +1,183 @@
+/*
+ * File      : uart.c
+ * Drivers for s3c2440 uarts.
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-04-09     Jonne        Code refactoring for new bsp
+ */
+
+#include <rthw.h>
+#include <rtdevice.h>
+#include <board.h>
+
+#define ULCON_OFS				0x00
+#define UCON_OFS				0x04
+#define UFCON_OFS				0x08
+#define UMCON_OFS				0x0c
+#define UTRSTAT_OFS				0x10
+#define UERSTAT_OFS				0x14
+#define UFSTAT_OFS				0x18
+#define UMSTAT_OFS				0x1c
+#define UTXH_OFS				0x20
+#define URXH_OFS				0x24
+#define UBRDIV_OFS				0x28
+
+#define readl(addr)             (*(volatile unsigned long *)(addr))
+#define writel(addr, value)     (*(volatile unsigned long *)(addr) = value)  
+
+#define PCLK_HZ                 50000000
+
+struct hw_uart_device
+{
+    rt_uint32_t hw_base;
+    rt_uint32_t irqno;
+};
+
+static rt_err_t s3c2440_serial_configure(struct rt_serial_device *serial, struct serial_configure *cfg) 
+{
+    struct hw_uart_device* uart = serial->parent.user_data;
+
+    writel(uart->hw_base + UBRDIV_OFS, PCLK_HZ / (cfg->baud_rate * 16));
+
+    writel(uart->hw_base + ULCON_OFS, 0x03);// 8bit data, 1bit stop, No parity
+    writel(uart->hw_base + UCON_OFS, 0x05);
+    writel(uart->hw_base + UFCON_OFS, 0x00);
+    writel(uart->hw_base + UMCON_OFS, 0x00);
+
+	return RT_EOK;
+}
+
+static rt_err_t s3c2440_serial_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+	struct hw_uart_device *uart;
+
+    RT_ASSERT(serial != RT_NULL); 
+    uart = (struct hw_uart_device *)serial->parent.user_data;
+
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_CLR_INT:
+        /* disable rx irq */
+        INTSUBMSK |= BIT_SUB_RXD0;
+		
+        break;
+
+    case RT_DEVICE_CTRL_SET_INT:
+        /* enable rx irq */
+        INTSUBMSK &= ~(BIT_SUB_RXD0);
+        break;
+    }
+
+    return RT_EOK;
+}
+static int s3c2440_putc(struct rt_serial_device *serial, char c)
+{
+    struct hw_uart_device* uart = serial->parent.user_data;
+
+    while(!(readl(uart->hw_base + UTRSTAT_OFS) & (1<<2))) 
+    {
+    }
+
+    writel(uart->hw_base + UTXH_OFS, c);
+    
+    return 0;
+
+     
+}
+static int s3c2440_getc(struct rt_serial_device *serial)
+{
+    struct hw_uart_device* uart = serial->parent.user_data;
+    int ch = -1;
+
+    if(readl(uart->hw_base + UTRSTAT_OFS) & (1<<0)) 
+    {
+        ch = readl(uart->hw_base + URXH_OFS) & 0x000000FF;
+    }
+    
+    return ch;
+}
+
+static void rt_hw_uart_isr(int irqno, void *param)
+{
+    struct rt_serial_device *serial = (struct rt_serial_device *)param;
+
+    rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
+    
+    /*clear SUBSRCPND*/ 
+    if(irqno == INTUART0) 
+    {
+        SUBSRCPND = BIT_SUB_RXD0;
+    } 
+    else if(irqno == INTUART1) 
+    {
+        SUBSRCPND = BIT_SUB_RXD1;
+    }
+    else 
+    {
+        SUBSRCPND = BIT_SUB_RXD2;
+    }
+}
+
+static struct rt_uart_ops s3c2440_uart_ops = {
+		.configure = s3c2440_serial_configure,
+		.control = s3c2440_serial_control,
+		.putc = s3c2440_putc,
+		.getc = s3c2440_getc
+};
+
+
+static struct rt_serial_device _serial0 = {
+	.ops = &s3c2440_uart_ops,
+	.config = RT_SERIAL_CONFIG_DEFAULT,
+	.serial_rx = NULL,
+	.serial_tx = NULL
+};
+static struct hw_uart_device _hwserial0 = {
+	.hw_base = 0x50000000,
+	.irqno = INTUART0
+};
+
+static struct rt_serial_device _serial1 = {
+	.ops = &s3c2440_uart_ops,
+	.config = RT_SERIAL_CONFIG_DEFAULT,
+	.serial_rx = NULL,
+	.serial_tx = NULL
+};
+static struct hw_uart_device _hwserial1 = {
+	.hw_base = 0x50004000,
+	.irqno = INTUART1
+};
+
+static struct rt_serial_device _serial2 = {
+	.ops = &s3c2440_uart_ops,
+	.config = RT_SERIAL_CONFIG_DEFAULT,
+	.serial_rx = NULL,
+	.serial_tx = NULL
+};
+static struct hw_uart_device _hwserial2 = {
+	.hw_base = 0x50008000,
+	.irqno = INTUART2
+};
+
+
+int rt_hw_uart_init(void)
+{
+    /* register UART0 device */
+    rt_hw_serial_register(&_serial0, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &_hwserial0);
+    rt_hw_interrupt_install(_hwserial0.irqno, rt_hw_uart_isr, &_serial0, "uart0");
+    rt_hw_interrupt_umask(INTUART0);
+	
+    /* register UART1 device */
+    rt_hw_serial_register(&_serial1, "uart1", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &_hwserial1);
+    rt_hw_interrupt_install(_hwserial1.irqno, rt_hw_uart_isr, &_serial1, "uart1");
+    rt_hw_interrupt_umask(INTUART1);
+
+    /* register UART2 device */
+    rt_hw_serial_register(&_serial2, "uart2", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &_hwserial2);
+    rt_hw_interrupt_install(_hwserial2.irqno, rt_hw_uart_isr, &_serial2, "uart2");
+    rt_hw_interrupt_umask(INTUART2);
+
+    return 0;
+}
+
+INIT_BOARD_EXPORT(rt_hw_uart_init);