99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
/*
|
|
* File : uart.h
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006-2012, RT-Thread Develop 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
|
|
* 2011-08-08 lgnq first version for LS1B
|
|
*/
|
|
|
|
#ifndef __UART_H__
|
|
#define __UART_H__
|
|
|
|
#include "ls1b.h"
|
|
|
|
#define UART0_BASE 0xBFE40000
|
|
#define UART0_1_BASE 0xBFE41000
|
|
#define UART0_2_BASE 0xBFE42000
|
|
#define UART0_3_BASE 0xBFE43000
|
|
#define UART1_BASE 0xBFE44000
|
|
#define UART1_1_BASE 0xBFE45000
|
|
#define UART1_2_BASE 0xBFE46000
|
|
#define UART1_3_BASE 0xBFE47000
|
|
#define UART2_BASE 0xBFE48000
|
|
#define UART3_BASE 0xBFE4C000
|
|
#define UART4_BASE 0xBFE6C000
|
|
#define UART5_BASE 0xBFE7C000
|
|
|
|
/* UART registers */
|
|
#define UART_DAT(base) __REG8(base + 0x00)
|
|
#define UART_IER(base) __REG8(base + 0x01)
|
|
#define UART_IIR(base) __REG8(base + 0x02)
|
|
#define UART_FCR(base) __REG8(base + 0x02)
|
|
#define UART_LCR(base) __REG8(base + 0x03)
|
|
#define UART_MCR(base) __REG8(base + 0x04)
|
|
#define UART_LSR(base) __REG8(base + 0x05)
|
|
#define UART_MSR(base) __REG8(base + 0x06)
|
|
|
|
#define UART_LSB(base) __REG8(base + 0x00)
|
|
#define UART_MSB(base) __REG8(base + 0x01)
|
|
|
|
/* UART0 registers */
|
|
#define UART0_DAT __REG8(UART0_BASE + 0x00)
|
|
#define UART0_IER __REG8(UART0_BASE + 0x01)
|
|
#define UART0_IIR __REG8(UART0_BASE + 0x02)
|
|
#define UART0_FCR __REG8(UART0_BASE + 0x02)
|
|
#define UART0_LCR __REG8(UART0_BASE + 0x03)
|
|
#define UART0_MCR __REG8(UART0_BASE + 0x04)
|
|
#define UART0_LSR __REG8(UART0_BASE + 0x05)
|
|
#define UART0_MSR __REG8(UART0_BASE + 0x06)
|
|
|
|
#define UART0_LSB __REG8(UART0_BASE + 0x00)
|
|
#define UART0_MSB __REG8(UART0_BASE + 0x01)
|
|
|
|
/* UART1 registers */
|
|
#define UART1_DAT __REG8(UART1_BASE + 0x00)
|
|
#define UART1_IER __REG8(UART1_BASE + 0x01)
|
|
#define UART1_IIR __REG8(UART1_BASE + 0x02)
|
|
#define UART1_FCR __REG8(UART1_BASE + 0x02)
|
|
#define UART1_LCR __REG8(UART1_BASE + 0x03)
|
|
#define UART1_MCR __REG8(UART1_BASE + 0x04)
|
|
#define UART1_LSR __REG8(UART1_BASE + 0x05)
|
|
#define UART1_MSR __REG8(UART1_BASE + 0x06)
|
|
|
|
#define UART1_LSB __REG8(UART1_BASE + 0x00)
|
|
#define UART1_MSB __REG8(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
|