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authorbigmagic <[email protected]>2020-05-26 13:34:02 +0800
committerbigmagic <[email protected]>2020-05-26 13:56:42 +0800
commitdb0b00d12a735372e4111e62379caaee128986c3 (patch)
treebc4e5562598d0a139b83358661111825b685a6a2 /bsp
parentb377859946a9ae30c902373d9773bed6ee319725 (diff)
add_raspi4_uart
Diffstat (limited to 'bsp')
-rw-r--r--bsp/raspberry-pi/raspi4-32/.config6
-rw-r--r--bsp/raspberry-pi/raspi4-32/README.md3
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/Kconfig16
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c34
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h46
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_uart.c272
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_uart.h24
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/raspi4.h56
-rw-r--r--bsp/raspberry-pi/raspi4-32/rtconfig.h4
-rw-r--r--bsp/raspberry-pi/raspi4-64/README.md1
10 files changed, 418 insertions, 44 deletions
diff --git a/bsp/raspberry-pi/raspi4-32/.config b/bsp/raspberry-pi/raspi4-32/.config
index 9194a7dc7f..67da7a97c6 100644
--- a/bsp/raspberry-pi/raspi4-32/.config
+++ b/bsp/raspberry-pi/raspi4-32/.config
@@ -65,7 +65,7 @@ CONFIG_RT_USING_DEVICE=y
# CONFIG_RT_USING_INTERRUPT_INFO is not set
CONFIG_RT_USING_CONSOLE=y
CONFIG_RT_CONSOLEBUF_SIZE=128
-CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
+CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
CONFIG_RT_VER_NUM=0x40003
# CONFIG_RT_USING_CPU_FFS is not set
CONFIG_ARCH_ARMV8=y
@@ -437,6 +437,10 @@ CONFIG_BCM2711_SOC=y
#
CONFIG_BSP_USING_UART=y
CONFIG_RT_USING_UART0=y
+# CONFIG_RT_USING_UART1 is not set
+CONFIG_RT_USING_UART3=y
+CONFIG_RT_USING_UART4=y
+# CONFIG_RT_USING_UART5 is not set
CONFIG_BSP_USING_GIC=y
CONFIG_BSP_USING_GIC400=y
# CONFIG_BSP_USING_GIC500 is not set
diff --git a/bsp/raspberry-pi/raspi4-32/README.md b/bsp/raspberry-pi/raspi4-32/README.md
index 52baca8047..ea9780b92a 100644
--- a/bsp/raspberry-pi/raspi4-32/README.md
+++ b/bsp/raspberry-pi/raspi4-32/README.md
@@ -47,6 +47,7 @@ enable_uart=1
arm_64bit=0
kernel_addr=0x8000
kernel=kernel7.img
+core_freq=250
```
按上面的方法做好SD卡后,插入树莓派4,通电可以在串口上看到如下所示的输出信息:
@@ -66,7 +67,7 @@ msh />
| 驱动 | 支持情况 | 备注 |
| ------ | ---- | :------: |
-| UART | 支持 | UART0|
+| UART | 支持 | UART0,UART2,UART3,UART4,UART5 |
## 5. 联系人信息
diff --git a/bsp/raspberry-pi/raspi4-32/driver/Kconfig b/bsp/raspberry-pi/raspi4-32/driver/Kconfig
index 208b4b4300..fb750ff60e 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/Kconfig
+++ b/bsp/raspberry-pi/raspi4-32/driver/Kconfig
@@ -14,6 +14,22 @@ menu "Hardware Drivers Config"
config RT_USING_UART0
bool "Enabel UART 0"
default y
+
+ config RT_USING_UART1
+ bool "Enabel UART 1"
+ default n
+
+ config RT_USING_UART3
+ bool "Enabel UART 3"
+ default n
+
+ config RT_USING_UART4
+ bool "Enabel UART 4"
+ default n
+
+ config RT_USING_UART5
+ bool "Enabel UART 5"
+ default n
endif
menuconfig BSP_USING_GIC
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
index 4317a358e0..8b64f7afb5 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
@@ -11,13 +11,36 @@
#include "drv_gpio.h"
#ifdef BSP_USING_PIN
-
-static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
+void prev_raspi_pin_mode(GPIO_PIN pin, GPIO_FUNC mode)
{
uint32_t fselnum = pin / 10;
uint32_t fselrest = pin % 10;
-
uint32_t gpfsel = 0;
+
+ switch (fselnum)
+ {
+ case 0:
+ gpfsel = GPIO_REG_GPFSEL0(GPIO_BASE);
+ break;
+ case 1:
+ gpfsel = GPIO_REG_GPFSEL1(GPIO_BASE);
+ break;
+ case 2:
+ gpfsel = GPIO_REG_GPFSEL2(GPIO_BASE);
+ break;
+ case 3:
+ gpfsel = GPIO_REG_GPFSEL3(GPIO_BASE);
+ break;
+ case 4:
+ gpfsel = GPIO_REG_GPFSEL4(GPIO_BASE);
+ break;
+ case 5:
+ gpfsel = GPIO_REG_GPFSEL5(GPIO_BASE);
+ break;
+ default:
+ break;
+ }
+
gpfsel &= ~((uint32_t)(0x07 << (fselrest * 3)));
gpfsel |= (uint32_t)(mode << (fselrest * 3));
@@ -46,6 +69,11 @@ static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
}
}
+static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
+{
+ prev_raspi_pin_mode((GPIO_PIN)pin, (GPIO_FUNC)mode);
+}
+
static void raspi_pin_write(struct rt_device *dev, rt_base_t pin, rt_base_t value)
{
uint32_t num = pin / 32;
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
index c4658fcebb..2dde6990ef 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
@@ -61,6 +61,50 @@
#define GPIO_REG_TEST(BASE) HWREG32(BASE + 0xA4)
typedef enum {
+ GPIO_PIN_0,
+ GPIO_PIN_1,
+ GPIO_PIN_2,
+ GPIO_PIN_3,
+ GPIO_PIN_4,
+ GPIO_PIN_5,
+ GPIO_PIN_6,
+ GPIO_PIN_7,
+ GPIO_PIN_8,
+ GPIO_PIN_9,
+ GPIO_PIN_10,
+ GPIO_PIN_11,
+ GPIO_PIN_12,
+ GPIO_PIN_13,
+ GPIO_PIN_14,
+ GPIO_PIN_15,
+ GPIO_PIN_16,
+ GPIO_PIN_17,
+ GPIO_PIN_18,
+ GPIO_PIN_19,
+ GPIO_PIN_20,
+ GPIO_PIN_21,
+ GPIO_PIN_22,
+ GPIO_PIN_23,
+ GPIO_PIN_24,
+ GPIO_PIN_25,
+ GPIO_PIN_26,
+ GPIO_PIN_27,
+ GPIO_PIN_28,
+ GPIO_PIN_29,
+ GPIO_PIN_30,
+ GPIO_PIN_31,
+ GPIO_PIN_32,
+ GPIO_PIN_33,
+ GPIO_PIN_34,
+ GPIO_PIN_35,
+ GPIO_PIN_36,
+ GPIO_PIN_37,
+ GPIO_PIN_38,
+ GPIO_PIN_39,
+ GPIO_PIN_40,
+} GPIO_PIN;
+
+typedef enum {
INPUT = 0b000,
OUTPUT = 0b001,
ALT0 = 0b100,
@@ -71,7 +115,7 @@ typedef enum {
ALT5 = 0b010
} GPIO_FUNC;
-
+void prev_raspi_pin_mode(GPIO_PIN pin, GPIO_FUNC mode);
int rt_hw_gpio_init(void);
#endif /* __DRV_GPIO_H__ */
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
index 6a70cdfb3a..ae61d84224 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
@@ -6,6 +6,7 @@
* Change Logs:
* Date Author Notes
* 2020-04-16 bigmagic first version
+ * 2020-05-26 bigmagic add other uart
*/
#include <rthw.h>
@@ -16,6 +17,26 @@
#include "drv_uart.h"
#include "drv_gpio.h"
+#ifdef RT_USING_UART0
+static struct rt_serial_device _serial0;
+#endif
+
+#ifdef RT_USING_UART1
+static struct rt_serial_device _serial1;
+#endif
+
+#ifdef RT_USING_UART3
+static struct rt_serial_device _serial3;
+#endif
+
+#ifdef RT_USING_UART4
+static struct rt_serial_device _serial4;
+#endif
+
+#ifdef RT_USING_UART5
+static struct rt_serial_device _serial5;
+#endif
+
struct hw_uart_device
{
rt_ubase_t hw_base;
@@ -30,26 +51,54 @@ static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_co
RT_ASSERT(serial != RT_NULL);
uart = (struct hw_uart_device *)serial->parent.user_data;
- if(uart->hw_base == PL011_BASE)
+
+ if(uart->hw_base == AUX_BASE)
{
- uint32_t gpfsel = 0;
+ prev_raspi_pin_mode(GPIO_PIN_14, ALT5);
+ prev_raspi_pin_mode(GPIO_PIN_15, ALT5);
- gpfsel &= ~((uint32_t)(0x07 << (4 * 3)));
- gpfsel |= (uint32_t)(ALT0 << (4 * 3));
- GPIO_REG_GPFSEL1(GPIO_BASE) = gpfsel;
+ AUX_ENABLES(uart->hw_base) = 1; /* Enable UART1 */
+ AUX_MU_IER_REG(uart->hw_base) = 0; /* Disable interrupt */
+ AUX_MU_CNTL_REG(uart->hw_base) = 0; /* Disable Transmitter and Receiver */
+ AUX_MU_LCR_REG(uart->hw_base) = 3; /* Works in 8-bit mode */
+ AUX_MU_MCR_REG(uart->hw_base) = 0; /* Disable RTS */
+ AUX_MU_IIR_REG(uart->hw_base) = 0xC6; /* Enable FIFO, Clear FIFO */
+ AUX_MU_BAUD_REG(uart->hw_base) = 270; /* 115200 = system clock 250MHz / (8 * (baud + 1)), baud = 270 */
+ AUX_MU_CNTL_REG(uart->hw_base) = 3; /* Enable Transmitter and Receiver */
+ return RT_EOK;
+ }
- gpfsel &= ~((uint32_t)(0x07 << (5 * 3)));
- gpfsel |= (uint32_t)(ALT0 << (5 * 3));
- GPIO_REG_GPFSEL1(GPIO_BASE) = gpfsel;
+ if(uart->hw_base == UART0_BASE)
+ {
+ prev_raspi_pin_mode(GPIO_PIN_14, ALT0);
+ prev_raspi_pin_mode(GPIO_PIN_15, ALT0);
+ }
- PL011_REG_CR(uart->hw_base) = 0;/*Clear UART setting*/
- PL011_REG_LCRH(uart->hw_base) = 0;/*disable FIFO*/
- PL011_REG_IBRD(uart->hw_base) = ibrd;
- PL011_REG_FBRD(uart->hw_base) = (((bauddiv - ibrd * 1000) * 64 + 500) / 1000);
- PL011_REG_LCRH(uart->hw_base) = PL011_LCRH_WLEN_8;/*FIFO*/
- PL011_REG_CR(uart->hw_base) = PL011_CR_UARTEN | PL011_CR_TXE | PL011_CR_RXE;/*art enable, TX/RX enable*/
+ if(uart->hw_base == UART3_BASE)
+ {
+ prev_raspi_pin_mode(GPIO_PIN_4, ALT4);
+ prev_raspi_pin_mode(GPIO_PIN_5, ALT4);
}
+ if(uart->hw_base == UART4_BASE)
+ {
+ prev_raspi_pin_mode(GPIO_PIN_8, ALT4);
+ prev_raspi_pin_mode(GPIO_PIN_9, ALT4);
+ }
+
+ if(uart->hw_base == UART5_BASE)
+ {
+ prev_raspi_pin_mode(GPIO_PIN_12, ALT4);
+ prev_raspi_pin_mode(GPIO_PIN_13, ALT4);
+ }
+
+ PL011_REG_CR(uart->hw_base) = 0;/*Clear UART setting*/
+ PL011_REG_LCRH(uart->hw_base) = 0;/*disable FIFO*/
+ PL011_REG_IBRD(uart->hw_base) = ibrd;
+ PL011_REG_FBRD(uart->hw_base) = (((bauddiv - ibrd * 1000) * 64 + 500) / 1000);
+ PL011_REG_LCRH(uart->hw_base) = PL011_LCRH_WLEN_8;/*FIFO*/
+ PL011_REG_CR(uart->hw_base) = PL011_CR_UARTEN | PL011_CR_TXE | PL011_CR_RXE;/*art enable, TX/RX enable*/
+
return RT_EOK;
}
@@ -64,17 +113,30 @@ static rt_err_t uart_control(struct rt_serial_device *serial, int cmd, void *arg
{
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
- PL011_REG_IMSC(uart->hw_base) &= ~((uint32_t)PL011_IMSC_RXIM);
+ if(uart->hw_base == AUX_BASE)
+ {
+ AUX_MU_IER_REG(uart->hw_base) = 0x0;
+ }
+ else
+ {
+ PL011_REG_IMSC(uart->hw_base) &= ~((uint32_t)PL011_IMSC_RXIM);
+ }
rt_hw_interrupt_mask(uart->irqno);
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
- PL011_REG_IMSC(uart->hw_base) |= PL011_IMSC_RXIM;
+ if(uart->hw_base == AUX_BASE)
+ {
+ AUX_MU_IER_REG(uart->hw_base) = 0x1;
+ }
+ else
+ {
+ PL011_REG_IMSC(uart->hw_base) |= PL011_IMSC_RXIM;
+ }
rt_hw_interrupt_umask(uart->irqno);
break;
}
-
return RT_EOK;
}
@@ -84,10 +146,16 @@ static int uart_putc(struct rt_serial_device *serial, char c)
RT_ASSERT(serial != RT_NULL);
uart = (struct hw_uart_device *)serial->parent.user_data;
-
- while ((PL011_REG_FR(uart->hw_base) & PL011_FR_TXFF));
- PL011_REG_DR(uart->hw_base) = (uint8_t)c;
-
+ if(uart->hw_base == AUX_BASE)
+ {
+ while (!(AUX_MU_LSR_REG(uart->hw_base) & 0x20));
+ AUX_MU_IO_REG(uart->hw_base) = c;
+ }
+ else
+ {
+ while ((PL011_REG_FR(uart->hw_base) & PL011_FR_TXFF));
+ PL011_REG_DR(uart->hw_base) = (uint8_t)c;
+ }
return 1;
}
@@ -99,9 +167,19 @@ static int uart_getc(struct rt_serial_device *serial)
RT_ASSERT(serial != RT_NULL);
uart = (struct hw_uart_device *)serial->parent.user_data;
- if((PL011_REG_FR(uart->hw_base) & PL011_FR_RXFE) == 0)
+ if(uart->hw_base == AUX_BASE)
+ {
+ if ((AUX_MU_LSR_REG(uart->hw_base) & 0x01))
+ {
+ ch = AUX_MU_IO_REG(uart->hw_base) & 0xff;
+ }
+ }
+ else
{
- ch = PL011_REG_DR(uart->hw_base) & 0xff;
+ if((PL011_REG_FR(uart->hw_base) & PL011_FR_RXFE) == 0)
+ {
+ ch = PL011_REG_DR(uart->hw_base) & 0xff;
+ }
}
return ch;
@@ -115,38 +193,166 @@ static const struct rt_uart_ops _uart_ops =
uart_getc,
};
-static void rt_hw_uart_isr(int irqno, void *param)
+#ifdef RT_USING_UART1
+static void rt_hw_aux_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);
- PL011_REG_ICR(UART0_BASE) = PL011_INTERRUPT_RECEIVE;
}
+#endif
+
+static void rt_hw_uart_isr(int irqno, void *param)
+{
+#ifdef RT_USING_UART0
+ if((PACTL_CS & IRQ_UART0) == IRQ_UART0)
+ {
+ PACTL_CS &= ~(IRQ_UART0);
+ rt_hw_serial_isr(&_serial0, RT_SERIAL_EVENT_RX_IND);
+ PL011_REG_ICR(UART0_BASE) = PL011_INTERRUPT_RECEIVE;
+ }
+#endif
+
+#ifdef RT_USING_UART3
+ if((PACTL_CS & IRQ_UART3) == IRQ_UART3)
+ {
+ PACTL_CS &= ~(IRQ_UART3);
+ rt_hw_serial_isr(&_serial3, RT_SERIAL_EVENT_RX_IND);
+ PL011_REG_ICR(UART3_BASE) = PL011_INTERRUPT_RECEIVE;
+ }
+#endif
+
+#ifdef RT_USING_UART4
+ if((PACTL_CS & IRQ_UART4) == IRQ_UART4)
+ {
+ PACTL_CS &= ~(IRQ_UART4);
+ rt_hw_serial_isr(&_serial4, RT_SERIAL_EVENT_RX_IND);
+ PL011_REG_ICR(UART4_BASE) = PL011_INTERRUPT_RECEIVE;
+ }
+#endif
+#ifdef RT_USING_UART5
+ if((PACTL_CS & IRQ_UART5) == IRQ_UART5)
+ {
+ PACTL_CS &= ~(IRQ_UART5);
+ rt_hw_serial_isr(&_serial5, RT_SERIAL_EVENT_RX_IND);
+ PL011_REG_ICR(UART5_BASE) = PL011_INTERRUPT_RECEIVE;
+ }
+#endif
+}
+#ifdef RT_USING_UART0
/* UART device driver structure */
static struct hw_uart_device _uart0_device =
{
- PL011_BASE,
+ UART0_BASE,
IRQ_PL011,
};
+#endif
-static struct rt_serial_device _serial0;
+#ifdef RT_USING_UART1
+/* UART device driver structure */
+static struct hw_uart_device _uart1_device =
+{
+ AUX_BASE,
+ IRQ_AUX_UART,
+};
+#endif
+
+#ifdef RT_USING_UART3
+static struct hw_uart_device _uart3_device =
+{
+ UART3_BASE,
+ IRQ_PL011,
+};
+#endif
+
+#ifdef RT_USING_UART4
+static struct hw_uart_device _uart4_device =
+{
+ UART4_BASE,
+ IRQ_PL011,
+};
+#endif
+
+#ifdef RT_USING_UART5
+static struct hw_uart_device _uart5_device =
+{
+ UART5_BASE,
+ IRQ_PL011,
+};
+#endif
int rt_hw_uart_init(void)
{
- struct hw_uart_device *uart;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
-
- uart = &_uart0_device;
+#ifdef RT_USING_UART0
+ struct hw_uart_device *uart0;
+ uart0 = &_uart0_device;
_serial0.ops = &_uart_ops;
_serial0.config = config;
+ /* register UART0 device */
+ rt_hw_serial_register(&_serial0, "uart0",
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+ uart0);
+ rt_hw_interrupt_install(uart0->irqno, rt_hw_uart_isr, &_serial0, "uart0");
+#endif
+
+#ifdef RT_USING_UART1
+ struct hw_uart_device *uart1;
+ uart1 = &_uart1_device;
+
+ _serial1.ops = &_uart_ops;
+ _serial1.config = config;
+
/* register UART1 device */
- rt_hw_serial_register(&_serial0, "uart",
+ rt_hw_serial_register(&_serial1, "uart1",
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+ uart1);
+ rt_hw_interrupt_install(uart1->irqno, rt_hw_aux_uart_isr, &_serial1, "uart1");
+#endif
+
+#ifdef RT_USING_UART3
+ struct hw_uart_device *uart3;
+ uart3 = &_uart3_device;
+
+ _serial3.ops = &_uart_ops;
+ _serial3.config = config;
+
+ /* register UART3 device */
+ rt_hw_serial_register(&_serial3, "uart3",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
- uart);
- rt_hw_interrupt_install(uart->irqno, rt_hw_uart_isr, &_serial0, "uart");
+ uart3);
+ rt_hw_interrupt_install(uart3->irqno, rt_hw_uart_isr, &_serial3, "uart3");
+#endif
+
+#ifdef RT_USING_UART4
+ struct hw_uart_device *uart4;
+ uart4 = &_uart4_device;
+ _serial4.ops = &_uart_ops;
+ _serial4.config = config;
+
+ /* register UART4 device */
+ rt_hw_serial_register(&_serial4, "uart4",
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+ uart4);
+ rt_hw_interrupt_install(uart4->irqno, rt_hw_uart_isr, &_serial4, "uart4");
+#endif
+
+#ifdef RT_USING_UART5
+ struct hw_uart_device *uart5;
+ uart5 = &_uart5_device;
+
+ _serial5.ops = &_uart_ops;
+ _serial5.config = config;
+
+ /* register UART5 device */
+ rt_hw_serial_register(&_serial5, "uart5",
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+ uart5);
+ rt_hw_interrupt_install(uart5->irqno, rt_hw_uart_isr, &_serial5, "uart5");
+#endif
return 0;
}
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
index 714043efd3..d57f4e52f4 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
@@ -78,6 +78,30 @@
#define PL011_REG_ITOP(BASE) HWREG32(BASE + 0x88)
#define PL011_REG_TDR(BASE) HWREG32(BASE + 0x8C)
+/*
+ * Auxiliary
+ */
+#define AUX_IRQ(BASE) HWREG32(BASE + 0x00) /* Auxiliary Interrupt status 3 */
+#define AUX_ENABLES(BASE) HWREG32(BASE + 0x04) /* Auxiliary enables 3bit */
+#define AUX_MU_IO_REG(BASE) HWREG32(BASE + 0x40) /* Mini Uart I/O Data 8bit */
+#define AUX_MU_IER_REG(BASE) HWREG32(BASE + 0x44) /* Mini Uart Interrupt Enable 8bit */
+#define AUX_MU_IIR_REG(BASE) HWREG32(BASE + 0x48) /* Mini Uart Interrupt Identify 8bit */
+#define AUX_MU_LCR_REG(BASE) HWREG32(BASE + 0x4C) /* Mini Uart Line Control 8bit */
+#define AUX_MU_MCR_REG(BASE) HWREG32(BASE + 0x50) /* Mini Uart Modem Control 8bit */
+#define AUX_MU_LSR_REG(BASE) HWREG32(BASE + 0x54) /* Mini Uart Line Status 8bit */
+#define AUX_MU_MSR_REG(BASE) HWREG32(BASE + 0x58) /* Mini Uart Modem Status 8bit */
+#define AUX_MU_SCRATCH(BASE) HWREG32(BASE + 0x5C) /* Mini Uart Scratch 8bit */
+#define AUX_MU_CNTL_REG(BASE) HWREG32(BASE + 0x60) /* Mini Uart Extra Control 8bit */
+#define AUX_MU_STAT_REG(BASE) HWREG32(BASE + 0x64) /* Mini Uart Extra Status 32bit */
+#define AUX_MU_BAUD_REG(BASE) HWREG32(BASE + 0x68) /* Mini Uart Baudrate 16bit */
+#define AUX_SPI0_CNTL0_REG(BASE) HWREG32(BASE + 0x80) /* SPI 1 Control register 0 32bit */
+#define AUX_SPI0_CNTL1_REG(BASE) HWREG32(BASE + 0x84) /* SPI 1 Control register 1 8bit */
+#define AUX_SPI0_STAT_REG(BASE) HWREG32(BASE + 0x88) /* SPI 1 Status 32bit */
+#define AUX_SPI0_IO_REG(BASE) HWREG32(BASE + 0x90) /* SPI 1 Data 32bit */
+#define AUX_SPI0_PEEK_REG(BASE) HWREG32(BASE + 0x94) /* SPI 1 Peek 16bit */
+#define AUX_SPI1_CNTL0_REG(BASE) HWREG32(BASE + 0xC0) /* SPI 2 Control register 0 32bit */
+#define AUX_SPI1_CNTL1_REG(BASE) HWREG32(BASE + 0xC4) /* SPI 2 Control register 1 8bit */
+
int rt_hw_uart_init(void);
#endif /* DRV_UART_H__ */
diff --git a/bsp/raspberry-pi/raspi4-32/driver/raspi4.h b/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
index 9106643e3d..6c7fe3696b 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
@@ -11,8 +11,24 @@
/* base address */
#define PER_BASE (0xFE000000)
+//gpio offset
+#define GPIO_BASE_OFFSET (0x00200000)
+
+//pl011 offset
+#define PL011_UART0_BASE_OFFSET (0x00201000)
+#define PL011_UART2_BASE_OFFSET (0x00201400)
+#define PL011_UART3_BASE_OFFSET (0x00201600)
+#define PL011_UART4_BASE_OFFSET (0x00201800)
+#define PL011_UART5_BASE_OFFSET (0x00201A00)
+
+//pactl cs offset
+#define PACTL_CS_OFFSET (0x00204E00)
+
+//aux offset
+#define AUX_BASE_OFFSET (0x00215000)
+
/* GPIO */
-#define GPIO_BASE (PER_BASE + 0x00200000)
+#define GPIO_BASE (PER_BASE + GPIO_BASE_OFFSET)
/* Timer (ARM side) */
#define ARM_TIMER_IRQ (64)
@@ -28,11 +44,43 @@
#define ARM_TIMER_CNTR HWREG32(ARM_TIMER_BASE + 0x420)
/* UART PL011 */
-#define UART0_BASE (PER_BASE + 0x00201000)
-#define PL011_BASE UART0_BASE
-#define IRQ_PL011 (96 + 57)
+#define UART0_BASE (PER_BASE + PL011_UART0_BASE_OFFSET)
+#define UART2_BASE (PER_BASE + PL011_UART2_BASE_OFFSET)
+#define UART3_BASE (PER_BASE + PL011_UART3_BASE_OFFSET)
+#define UART4_BASE (PER_BASE + PL011_UART4_BASE_OFFSET)
+#define UART5_BASE (PER_BASE + PL011_UART5_BASE_OFFSET)
+#define IRQ_AUX_UART (96 + 29)
#define UART_REFERENCE_CLOCK (48000000)
+/* AUX */
+#define AUX_BASE (PER_BASE + AUX_BASE_OFFSET)
+#define IRQ_PL011 (96 + 57)
+
+/* Peripheral IRQ OR-ing */
+#define PACTL_CS HWREG32((PER_BASE + PACTL_CS_OFFSET))
+typedef enum {
+ IRQ_SPI0 = 0x00000000,
+ IRQ_SPI1 = 0x00000002,
+ IRQ_SPI2 = 0x00000004,
+ IRQ_SPI3 = 0x00000008,
+ IRQ_SPI4 = 0x00000010,
+ IRQ_SPI5 = 0x00000020,
+ IRQ_SPI6 = 0x00000040,
+ IRQ_I2C0 = 0x00000100,
+ IRQ_I2C1 = 0x00000200,
+ IRQ_I2C2 = 0x00000400,
+ IRQ_I2C3 = 0x00000800,
+ IRQ_I2C4 = 0x00001000,
+ IRQ_I2C5 = 0x00002000,
+ IRQ_I2C6 = 0x00004000,
+ IRQ_I2C7 = 0x00008000,
+ IRQ_UART5 = 0x00010000,
+ IRQ_UART4 = 0x00020000,
+ IRQ_UART3 = 0x00040000,
+ IRQ_UART2 = 0x00080000,
+ IRQ_UART0 = 0x00100000
+} PACTL_CS_VAL;
+
// 0x40, 0x44, 0x48, 0x4c: Core 0~3 Timers interrupt control
#define CORE0_TIMER_IRQ_CTRL HWREG32(0xFF800040)
#define TIMER_IRQ 30
diff --git a/bsp/raspberry-pi/raspi4-32/rtconfig.h b/bsp/raspberry-pi/raspi4-32/rtconfig.h
index 479b6a0fd3..fa659a7e1d 100644
--- a/bsp/raspberry-pi/raspi4-32/rtconfig.h
+++ b/bsp/raspberry-pi/raspi4-32/rtconfig.h
@@ -40,7 +40,7 @@
#define RT_USING_DEVICE
#define RT_USING_CONSOLE
#define RT_CONSOLEBUF_SIZE 128
-#define RT_CONSOLE_DEVICE_NAME "uart"
+#define RT_CONSOLE_DEVICE_NAME "uart0"
#define RT_VER_NUM 0x40003
#define ARCH_ARMV8
@@ -162,6 +162,8 @@
#define BSP_USING_UART
#define RT_USING_UART0
+#define RT_USING_UART3
+#define RT_USING_UART4
#define BSP_USING_GIC
#define BSP_USING_GIC400
#define BSP_USING_PIN
diff --git a/bsp/raspberry-pi/raspi4-64/README.md b/bsp/raspberry-pi/raspi4-64/README.md
index 56aa6f0ca5..b2456277b8 100644
--- a/bsp/raspberry-pi/raspi4-64/README.md
+++ b/bsp/raspberry-pi/raspi4-64/README.md
@@ -81,6 +81,7 @@ EXEC_PATH = r'/opt/gcc-arm-8.3-2019.03-x86_64-aarch64-elf/bin/'
enable_uart=1
arm_64bit=1
kernel=rtthread.bin
+core_freq=250
```
按上面的方法做好SD卡后,插入树莓派4,通电可以在串口上看到如下所示的输出信息: