/* * 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" #include #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) 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