diff --git a/bsp/qemu-vexpress-a9/drivers/Kconfig b/bsp/qemu-vexpress-a9/drivers/Kconfig
index 8fcbf1c0fe7..8a4610d488d 100644
--- a/bsp/qemu-vexpress-a9/drivers/Kconfig
+++ b/bsp/qemu-vexpress-a9/drivers/Kconfig
@@ -11,59 +11,126 @@ config SOC_VEXPRESS_A9
     default y
 
 menu "Onboard Peripheral Drivers"
-config RT_USING_UART0
-    bool "Enable UART0"
-    default y
+    menuconfig BSP_USING_UART
+        bool "Enable UART"
+        default y
+        select RT_USING_SERIAL
+        if BSP_USING_UART
+            menuconfig BSP_USING_UART0
+                bool "Enable UART0 (Debugger)"
+                default y
+                if BSP_USING_UART0
+                    config BSP_UART0_RX_BUFSIZE
+                        int "Set UART0 RX buffer size"
+                        range 64 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 1024
 
-config RT_USING_UART1
-    bool "Enable UART1"
-    default y
+                    config BSP_UART0_TX_BUFSIZE
+                        int "Set UART0 TX buffer size"
+                        range 0 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 0
+                endif
 
-config BSP_USING_LVGL
-    bool "Enable LVGL for LCD"
-    select PKG_USING_LVGL
-    select BSP_DRV_CLCD
-    select BSP_DRV_MOUSE
-    default n
-
-if BSP_USING_LVGL
-    config BSP_USING_LVGL_DEMO
-        bool "Enable LVGL demo"
-        select PKG_USING_LV_MUSIC_DEMO
-        default y
-endif
-
-config BSP_DRV_CLCD
-    bool "CLCD driver"
-    select RT_USING_LCD
-    default n
-
-config BSP_DRV_MOUSE
-    bool "MOUSE driver"
-    default n
-
-if BSP_DRV_CLCD
-    config BSP_LCD_WIDTH
-        int "Width of LCD panel"
-        default 640
-
-    config BSP_LCD_HEIGHT
-        int "Height of LCD panel"
-        default 480
-endif
-
-config BSP_DRV_EMAC
-    bool "Enable EMAC driver"
-    select RT_USING_LWIP
-    select RT_USING_POSIX_FS
-    select RT_USING_POSIX_SOCKET
-    default n
-
-config BSP_DRV_AUDIO
-    bool "Audio driver"
-    select RT_USING_AUDIO
-    default n
+            menuconfig BSP_USING_UART1
+                bool "Enable UART1"
+                default n
+                if BSP_USING_UART1
+                    config BSP_UART1_RX_BUFSIZE
+                        int "Set UART1 RX buffer size"
+                        range 64 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 1024
 
-endmenu
+                    config BSP_UART1_TX_BUFSIZE
+                        int "Set UART1 TX buffer size"
+                        range 0 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 0
+                endif
+
+            menuconfig BSP_USING_UART2
+                bool "Enable UART2"
+                default n
+                if BSP_USING_UART2
+                    config BSP_UART2_RX_BUFSIZE
+                        int "Set UART2 RX buffer size"
+                        range 64 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 1024
+
+                    config BSP_UART2_TX_BUFSIZE
+                        int "Set UART2 TX buffer size"
+                        range 0 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 0
+                endif
+
+            menuconfig BSP_USING_UART3
+                bool "Enable UART3"
+                default n
+                if BSP_USING_UART3
+                    config BSP_UART3_RX_BUFSIZE
+                        int "Set UART3 RX buffer size"
+                        range 64 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 1024
+
+                    config BSP_UART3_TX_BUFSIZE
+                        int "Set UART3 TX buffer size"
+                        range 0 65535
+                        depends on RT_USING_SERIAL_V2
+                        default 0
+                endif
+
+        endif
+
+    config BSP_USING_LVGL
+        bool "Enable LVGL for LCD"
+        select PKG_USING_LVGL
+        select BSP_DRV_CLCD
+        select BSP_DRV_MOUSE
+        default n
+
+    if BSP_USING_LVGL
+        config BSP_USING_LVGL_DEMO
+            bool "Enable LVGL demo"
+            select PKG_USING_LV_MUSIC_DEMO
+            default y
+    endif
+
+    config BSP_DRV_CLCD
+        bool "CLCD driver"
+        select RT_USING_LCD
+        default n
+
+    config BSP_DRV_MOUSE
+        bool "MOUSE driver"
+        default n
+
+    if BSP_DRV_CLCD
+        config BSP_LCD_WIDTH
+            int "Width of LCD panel"
+            default 640
+
+        config BSP_LCD_HEIGHT
+            int "Height of LCD panel"
+            default 480
+    endif
+
+    config BSP_DRV_EMAC
+        bool "Enable EMAC driver"
+        select RT_USING_LWIP
+        select RT_USING_POSIX_FS
+        select RT_USING_POSIX_SOCKET
+        default n
+
+    config BSP_DRV_AUDIO
+        bool "Audio driver"
+        select RT_USING_AUDIO
+        default n
+
+    endmenu
 
 endmenu
diff --git a/bsp/qemu-vexpress-a9/drivers/drv_uart_v2.c b/bsp/qemu-vexpress-a9/drivers/drv_uart_v2.c
new file mode 100644
index 00000000000..96b95f7630c
--- /dev/null
+++ b/bsp/qemu-vexpress-a9/drivers/drv_uart_v2.c
@@ -0,0 +1,379 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2025-04-08     Hydevcode   the first version
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <rtdbg.h>
+#include "board.h"
+#include "drv_uart_v2.h"
+#include "mmu.h"
+
+#ifdef RT_USING_SERIAL_V2
+
+#include <rtdbg.h>
+
+#if !defined(BSP_USING_UART0) && !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2) &&  !defined(BSP_USING_UART3)
+    #error "Please define at least one BSP_USING_UARTx"
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
+#endif
+
+struct hw_uart_device
+{
+    rt_uint32_t hw_base;
+    rt_uint32_t irqno;
+    struct rt_serial_device *serial;
+    char *device_name;
+};
+
+#define UART_DR(base)   __REG32(base + 0x00)
+#define UART_FR(base)   __REG32(base + 0x18)
+#define UART_CR(base)   __REG32(base + 0x30)
+#define UART_IMSC(base) __REG32(base + 0x38)
+#define UART_ICR(base)  __REG32(base + 0x44)
+#define UART_IFLS(base) __REG32(base + 0x34)
+#define UART_TCR(base)  __REG32(base + 0x80)
+#define UART_ITOP(base) __REG32(base + 0x88)
+
+#define UART_LCR_H(base)    __REG32(base + 0x2C)
+#define UART_DMACR(base)    __REG32(base + 0x48)
+
+#define UARTITOP_RXINTR 0x400
+
+#define UARTLCR_H_FEN     0x10
+
+#define UARTFR_RXFE     0x10
+#define UARTFR_TXFF     0x20
+#define UARTFR_RXFF     0x40
+#define UARTFR_TXFE     0x80
+#define UARTFR_BUSY     0x08
+
+#define UARTICR_RXIC    0x10
+#define UARTICR_TXIC    0x20
+
+#define UARTIMSC_RXIM   0x10
+#define UARTIMSC_RTIM   0x40
+#define UARTIMSC_TXIM   0x20
+
+#if defined(BSP_USING_UART0)
+struct rt_serial_device serial0;
+#endif
+
+#if defined(BSP_USING_UART1)
+struct rt_serial_device serial1;
+#endif
+
+#if defined(BSP_USING_UART2)
+struct rt_serial_device serial2;
+#endif
+
+
+#if defined(BSP_USING_UART3)
+struct rt_serial_device serial3;
+#endif
+
+static struct hw_uart_device _uart_device[] = {
+#if defined(BSP_USING_UART0)
+{
+    REALVIEW_UART0_BASE,
+    IRQ_PBA8_UART0,
+    &serial0,
+    "uart0",
+},
+#endif
+
+#if defined(BSP_USING_UART1)
+{
+    REALVIEW_UART1_BASE,
+    IRQ_PBA8_UART1,
+    &serial1,
+    "uart1",
+},
+#endif
+
+#if defined(BSP_USING_UART2)
+{
+    REALVIEW_UART2_BASE,
+    IRQ_PBA8_UART2,
+    &serial2,
+    "uart2",
+},
+#endif
+
+#if defined(BSP_USING_UART3)
+{
+    REALVIEW_UART3_BASE,
+    IRQ_PBA8_UART3,
+    &serial3,
+    "uart3",
+},
+#endif
+
+};
+
+/**
+ * @brief UART common interrupt process. This
+ *
+ * @param serial Serial device
+ */
+
+static void rt_hw_uart_isr(int irqno, void *param)
+{
+    struct rt_serial_device *serial = (struct rt_serial_device *)param;
+
+    RT_ASSERT(serial != RT_NULL);
+
+    struct hw_uart_device *uart;
+
+    uart = (struct hw_uart_device *)serial->parent.user_data;
+
+    RT_ASSERT(uart != RT_NULL);
+
+    if((UART_FR(uart->hw_base) & UARTFR_RXFF) && (UART_IMSC(uart->hw_base) & UARTIMSC_RXIM))
+    {
+
+        struct rt_serial_rx_fifo *rx_fifo;
+
+        rx_fifo = (struct rt_serial_rx_fifo *)serial->serial_rx;
+
+        RT_ASSERT(rx_fifo != RT_NULL);
+
+        char rec_ch;
+        while (!(UART_FR(uart->hw_base) & UARTFR_RXFE))
+        {
+            rec_ch = UART_DR(uart->hw_base) & 0xff;
+            rt_hw_serial_control_isr(serial, RT_HW_SERIAL_CTRL_PUTC, &rec_ch);
+
+        }
+        rt_hw_serial_isr(serial,RT_SERIAL_EVENT_RX_IND);
+
+    }
+    else if(UART_IMSC(uart->hw_base) & UARTIMSC_RTIM)
+    {
+        struct rt_serial_rx_fifo *rx_fifo;
+
+        rx_fifo = (struct rt_serial_rx_fifo *)serial->serial_rx;
+
+        RT_ASSERT(rx_fifo != RT_NULL);
+
+        char rec_ch;
+
+        while (!(UART_FR(uart->hw_base) & UARTFR_RXFE))
+        {
+            rec_ch = UART_DR(uart->hw_base) & 0xff;
+            rt_hw_serial_control_isr(serial, RT_HW_SERIAL_CTRL_PUTC, &rec_ch);
+
+        }
+        rt_hw_serial_isr(serial,RT_SERIAL_EVENT_RX_IND);
+    }
+    else if((UART_IMSC(uart->hw_base) & UARTIMSC_TXIM))
+    {
+        UART_ICR(uart->hw_base) |= UARTICR_TXIC;
+
+        rt_hw_serial_isr(serial,RT_SERIAL_EVENT_TX_DONE);
+    }
+}
+
+static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
+{
+    return RT_EOK;
+}
+
+static rt_err_t uart_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;
+
+    rt_ubase_t ctrl_arg = (rt_ubase_t) arg;
+
+    if(ctrl_arg & (RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING))
+    {
+        ctrl_arg = RT_DEVICE_FLAG_INT_RX;
+    }
+    else if(ctrl_arg & (RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING))
+    {
+        ctrl_arg = RT_DEVICE_FLAG_INT_TX;
+    }
+
+    switch (cmd)
+    {
+        case RT_DEVICE_CTRL_CLR_INT:
+            if (ctrl_arg == RT_DEVICE_FLAG_INT_RX)
+            {
+                /* disable rx irq */
+                UART_IMSC(uart->hw_base) &= ~UARTIMSC_RXIM;
+                UART_IMSC(uart->hw_base) &= ~UARTIMSC_RTIM;
+            }
+            else if (ctrl_arg == RT_DEVICE_FLAG_INT_TX)
+            {
+                /* disable tx irq */
+                UART_IMSC(uart->hw_base) &= ~UARTIMSC_TXIM;
+            }
+            break;
+
+        case RT_DEVICE_CTRL_SET_INT:
+            if (ctrl_arg == RT_DEVICE_FLAG_INT_RX)
+            {
+                /* enable rx irq */
+                UART_IMSC(uart->hw_base) |= UARTIMSC_RXIM;
+                UART_IMSC(uart->hw_base) |= UARTIMSC_RTIM;
+                rt_hw_interrupt_umask(uart->irqno);
+
+            } else if (ctrl_arg == RT_DEVICE_FLAG_INT_TX)
+            {
+                /* enable tx irq */
+                UART_IMSC(uart->hw_base) |= UARTIMSC_TXIM;
+                rt_hw_interrupt_umask(uart->irqno);
+            }
+
+            break;
+        case RT_DEVICE_CTRL_CONFIG:
+            uart_control(serial, RT_DEVICE_CTRL_SET_INT, (void *)ctrl_arg);
+            break;
+    }
+    return RT_EOK;
+}
+
+static int uart_putc(struct rt_serial_device *serial, char ch)
+{
+    struct hw_uart_device *uart;
+
+    RT_ASSERT(serial != RT_NULL);
+
+    uart = (struct hw_uart_device *)serial->parent.user_data;
+    while (UART_FR(uart->hw_base) & UARTFR_TXFF);
+    UART_DR(uart->hw_base) = ch;
+
+    return 1;
+}
+
+static int uart_getc(struct rt_serial_device *serial)
+{
+    int ch;
+    struct hw_uart_device *uart;
+
+    RT_ASSERT(serial != RT_NULL);
+
+    uart = (struct hw_uart_device *)serial->parent.user_data;
+
+    ch = -1;
+    if (!(UART_FR(uart->hw_base) & UARTFR_RXFE))
+    {
+        ch = UART_DR(uart->hw_base) & 0xff;
+    }
+
+    return ch;
+}
+static rt_ssize_t uart_transmit(struct rt_serial_device *serial,
+    rt_uint8_t *buf,
+    rt_size_t size,
+    rt_uint32_t tx_flag)
+{
+    RT_ASSERT(serial != RT_NULL);
+    RT_ASSERT(buf != RT_NULL);
+    RT_ASSERT(size);
+    struct hw_uart_device *uart = (struct hw_uart_device *)serial->parent.user_data;
+    struct rt_serial_tx_fifo *tx_fifo;
+    tx_fifo = (struct rt_serial_tx_fifo *) serial->serial_tx;
+    uint8_t ch = 0;
+    RT_ASSERT(tx_fifo != RT_NULL);
+
+    if (size > 0)
+    {
+        if (UART_IMSC(uart->hw_base) & UARTIMSC_TXIM)
+        {
+            UART_IMSC(uart->hw_base) &= ~UARTIMSC_TXIM;
+            if(rt_ringbuffer_getchar(&tx_fifo->rb, &ch))
+            {
+                while (UART_FR(uart->hw_base) & UARTFR_TXFF);
+                UART_DR(uart->hw_base) = ch;
+            }
+            UART_IMSC(uart->hw_base) |= UARTIMSC_TXIM;
+        }
+    }
+
+    return size;
+}
+
+static const struct rt_uart_ops _uart_ops = {
+    .configure = uart_configure,
+    .control = uart_control,
+    .putc = uart_putc,
+    .getc = uart_getc,
+    .transmit = uart_transmit
+};
+
+static int uart_config(void)
+{
+    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+
+#ifdef BSP_USING_UART0
+    _uart_device[0].serial->config = config;
+    _uart_device[0].serial->config.rx_bufsz = BSP_UART0_RX_BUFSIZE;
+    _uart_device[0].serial->config.tx_bufsz = BSP_UART0_TX_BUFSIZE;
+#endif /* BSP_USING_UART0 */
+
+#ifdef BSP_USING_UART1
+    _uart_device[1].serial->config = config;
+    _uart_device[1].serial->config.rx_bufsz = BSP_UART1_RX_BUFSIZE;
+    _uart_device[1].serial->config.tx_bufsz = BSP_UART1_TX_BUFSIZE;
+#endif /* BSP_USING_UART1 */
+
+#ifdef BSP_USING_UART2
+    _uart_device[2].serial->config = config;
+    _uart_device[2].serial->config.rx_bufsz = BSP_UART2_RX_BUFSIZE;
+    _uart_device[2].serial->config.tx_bufsz = BSP_UART2_TX_BUFSIZE;
+#endif /* BSP_USING_UART2 */
+
+#ifdef BSP_USING_UART3
+    _uart_device[3].serial->config = config;
+    _uart_device[3].serial->config.rx_bufsz = BSP_UART3_RX_BUFSIZE;
+    _uart_device[3].serial->config.tx_bufsz = BSP_UART3_TX_BUFSIZE;
+#endif /* BSP_USING_UART3 */
+
+    return RT_EOK;
+}
+
+int rt_hw_uart_init(void)
+{
+
+    rt_err_t err = RT_EOK;
+
+    uart_config();
+
+    for (uint32_t i = 0; i < sizeof(_uart_device) / sizeof(_uart_device[0]); i++)
+    {
+
+        #ifdef RT_USING_SMART
+            _uart_device[i].hw_base = (uint32_t)rt_ioremap((void*)_uart_device[i].hw_base, 0x1000);
+        #endif
+
+        _uart_device[i].serial->ops = &_uart_ops;
+        /* register UART device */
+        err = rt_hw_serial_register(_uart_device[i].serial,
+                            _uart_device[i].device_name,
+                            RT_DEVICE_FLAG_RDWR,
+                            (void*)&_uart_device[i]);
+        rt_hw_interrupt_install(_uart_device[i].irqno, rt_hw_uart_isr, _uart_device[i].serial, _uart_device[i].device_name);
+        /* enable Rx and Tx of UART */
+        UART_CR(_uart_device[i].hw_base) = (1 << 0) | (1 << 8) | (1 << 9);
+
+        UART_LCR_H(_uart_device[i].hw_base) =(1 << 4);
+
+        UART_IFLS(_uart_device[i].hw_base) =0;
+        UART_IFLS(_uart_device[i].hw_base) =(1 << 3);
+
+    }
+
+    return err;
+}
+INIT_BOARD_EXPORT(rt_hw_uart_init);
+#endif /* RT_USING_SERIAL_V2 */
\ No newline at end of file
diff --git a/examples/utest/testcases/drivers/serial_v2/qemu/uart_qemu_echo.c b/examples/utest/testcases/drivers/serial_v2/qemu/uart_qemu_echo.c
index 3890cf6ef5c..5fdaa97793e 100644
--- a/examples/utest/testcases/drivers/serial_v2/qemu/uart_qemu_echo.c
+++ b/examples/utest/testcases/drivers/serial_v2/qemu/uart_qemu_echo.c
@@ -101,7 +101,7 @@ static rt_bool_t echo_test()
         sendTotalCount += sendCount;
 
         // Wait for the cross-send to complete
-        rt_thread_mdelay(15);
+        rt_thread_mdelay(UART_SEND_TIMES);
 
         if (count % 50 == 0)
         {