/* * File : drv_uart.h * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Change Logs: * Date Author Notes * 2018-05-08 zhuangwei the first version */ #ifndef __DRV_UART_H__ #define __DRV_UART_H__ #include "ls1c.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) __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