/** * @file * @ingroup lm32_shared lm32_uart * @brief LatticeMico32 UART definitions */ /* * This file contains definitions for LatticeMico32 UART * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.org/license/LICENSE. * * Jukka Pietarinen , 2008, * Micro-Research Finland Oy */ /** * @defgroup lm32_uart LM32 UART * @ingroup lm32_shared * @brief LatticeMico32 UART definitions * @{ */ #ifndef _BSPUART_H #define _BSPUART_H void BSP_uart_init(int baud); /* Receive buffer register / transmit holding register */ #define LM32_UART_RBR (0x0000) /* Interrupt enable register */ #define LM32_UART_IER (0x0004) #define LM32_UART_IER_RBRI (0x0001) #define LM32_UART_IER_THRI (0x0002) #define LM32_UART_IER_RLSI (0x0004) #define LM32_UART_IER_MSI (0x0008) /* Interrupt identification register */ #define LM32_UART_IIR (0x0008) #define LM32_UART_IIR_STAT (0x0001) #define LM32_UART_IIR_ID0 (0x0002) #define LM32_UART_IIR_ID1 (0x0004) /* Line control register */ #define LM32_UART_LCR (0x000C) #define LM32_UART_LCR_WLS0 (0x0001) #define LM32_UART_LCR_WLS1 (0x0002) #define LM32_UART_LCR_STB (0x0004) #define LM32_UART_LCR_PEN (0x0008) #define LM32_UART_LCR_EPS (0x0010) #define LM32_UART_LCR_SP (0x0020) #define LM32_UART_LCR_SB (0x0040) #define LM32_UART_LCR_5BIT (0) #define LM32_UART_LCR_6BIT (LM32_UART_LCR_WLS0) #define LM32_UART_LCR_7BIT (LM32_UART_LCR_WLS1) #define LM32_UART_LCR_8BIT (LM32_UART_LCR_WLS1 | LM32_UART_LCR_WLS0) /* Modem control register */ #define LM32_UART_MCR (0x0010) #define LM32_UART_MCR_DTR (0x0001) #define LM32_UART_MCR_RTS (0x0002) /* Line status register */ #define LM32_UART_LSR (0x0014) #define LM32_UART_LSR_DR (0x0001) #define LM32_UART_LSR_OE (0x0002) #define LM32_UART_LSR_PE (0x0004) #define LM32_UART_LSR_FE (0x0008) #define LM32_UART_LSR_BI (0x0010) #define LM32_UART_LSR_THRE (0x0020) #define LM32_UART_LSR_TEMT (0x0040) /* Modem status register */ #define LM32_UART_MSR (0x0018) #define LM32_UART_MSR_DCTS (0x0001) #define LM32_UART_MSR_DDSR (0x0002) #define LM32_UART_MSR_TERI (0x0004) #define LM32_UART_MSR_DDCD (0x0008) #define LM32_UART_MSR_CTS (0x0010) #define LM32_UART_MSR_DSR (0x0020) #define LM32_UART_MSR_RI (0x0040) #define LM32_UART_MSR_DCD (0x0000) /* Baud-rate divisor register */ #define LM32_UART_DIV (0x001C) #endif /* _BSPUART_H */ /** @} */