1 files changed, 100 insertions, 0 deletions
diff --git a/bsp/ls1bdev/drivers/drv_uart.h b/bsp/ls1bdev/drivers/drv_uart.h
new file mode 100644
index 0000000000..01dfd9aae0
--- /dev/null
+++ b/bsp/ls1bdev/drivers/drv_uart.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-05-08     zhuangwei    the first version
+ */
+
+#ifndef __DRV_UART_H__
+#define __DRV_UART_H__
+
+#include "ls1b.h"
+#include <rthw.h>
+
+#define DEV_CLK 252000000 // 252MHz
+#define UART_BAUDRATE 115200
+
+#define UART0_BASE          0xBFE40000
+//#define UART0_1_BASE      0xBFE41000
+#define UART1_BASE          0xBFE44000
+#define UART2_BASE          0xBFE48000
+#define UART3_BASE          0xBFE4C000
+#define UART4_BASE          0xBFE4C400
+#define UART5_BASE          0xBFE4C500
+#define UART6_BASE          0xBFE4C600
+#define UART7_BASE          0xBFE4C700
+#define UART8_BASE          0xBFE4C800
+#define UART9_BASE          0xBFE4C900
+#define UART10_BASE         0xBFE4Ca00
+#define UART11_BASE         0xBFE4Cb00
+
+/* UART registers */
+#define UART_DAT(base)      HWREG8(base + 0x00)
+#define UART_IER(base)      HWREG8(base + 0x01)
+#define UART_IIR(base)      HWREG8(base + 0x02)
+#define UART_FCR(base)      HWREG8(base + 0x02)
+#define UART_LCR(base)      HWREG8(base + 0x03)
+#define UART_MCR(base)      HWREG8(base + 0x04)
+#define UART_LSR(base)      HWREG8(base + 0x05)
+#define UART_MSR(base)      HWREG8(base + 0x06)
+
+#define UART_LSB(base)      HWREG8(base + 0x00)
+#define UART_MSB(base)      HWREG8(base + 0x01)
+
+/* UART0 registers */
+#define UART0_DAT           HWREG8(UART0_BASE + 0x00)
+#define UART0_IER           HWREG8(UART0_BASE + 0x01)
+#define UART0_IIR           HWREG8(UART0_BASE + 0x02)
+#define UART0_FCR           HWREG8(UART0_BASE + 0x02)
+#define UART0_LCR           HWREG8(UART0_BASE + 0x03)
+#define UART0_MCR           HWREG8(UART0_BASE + 0x04)
+#define UART0_LSR           HWREG8(UART0_BASE + 0x05)
+#define UART0_MSR           HWREG8(UART0_BASE + 0x06)
+
+#define UART0_LSB           HWREG8(UART0_BASE + 0x00)
+#define UART0_MSB           HWREG8(UART0_BASE + 0x01)
+
+/* UART1 registers */
+#define UART1_DAT           HWREG8(UART1_BASE + 0x00)
+#define UART1_IER           HWREG8(UART1_BASE + 0x01)
+#define UART1_IIR           HWREG8(UART1_BASE + 0x02)
+#define UART1_FCR           HWREG8(UART1_BASE + 0x02)
+#define UART1_LCR           HWREG8(UART1_BASE + 0x03)
+#define UART1_MCR           HWREG8(UART1_BASE + 0x04)
+#define UART1_LSR           HWREG8(UART1_BASE + 0x05)
+#define UART1_MSR           HWREG8(UART1_BASE + 0x06)
+
+#define UART1_LSB           HWREG8(UART1_BASE + 0x00)
+#define UART1_MSB           HWREG8(UART1_BASE + 0x01)
+
+/* UART interrupt enable register value */
+#define UARTIER_IME     (1 << 3)
+#define UARTIER_ILE     (1 << 2)
+#define UARTIER_ITXE    (1 << 1)
+#define UARTIER_IRXE    (1 << 0)
+
+/* UART line control register value */
+#define UARTLCR_DLAB    (1 << 7)
+#define UARTLCR_BCB     (1 << 6)
+#define UARTLCR_SPB     (1 << 5)
+#define UARTLCR_EPS     (1 << 4)
+#define UARTLCR_PE      (1 << 3)
+#define UARTLCR_SB      (1 << 2)
+
+/* UART line status register value */
+#define UARTLSR_ERROR   (1 << 7)
+#define UARTLSR_TE      (1 << 6)
+#define UARTLSR_TFE     (1 << 5)
+#define UARTLSR_BI      (1 << 4)
+#define UARTLSR_FE      (1 << 3)
+#define UARTLSR_PE      (1 << 2)
+#define UARTLSR_OE      (1 << 1)
+#define UARTLSR_DR      (1 << 0)
+
+void rt_hw_uart_init(void);
+
+
+#endif