/* $NetBSD: meson_uart.h,v 1.1 2019/01/19 20:56:03 jmcneill Exp $ */ /*- * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _MESON_UART_H #define _MESON_UART_H #define UART_WFIFO_REG 0x00 #define UART_RFIFO_REG 0x04 #define UART_CONTROL_REG 0x08 #define UART_STATUS_REG 0x0c #define UART_MISC_REG 0x10 #define UART_REG5_REG 0x14 #define UART_CONTROL_TX_INT_EN __BIT(28) #define UART_CONTROL_RX_INT_EN __BIT(27) #define UART_CONTROL_CLEAR_ERR __BIT(24) #define UART_CONTROL_RX_RESET __BIT(23) #define UART_CONTROL_TX_RESET __BIT(22) #define UART_CONTROL_RX_EN __BIT(13) #define UART_CONTROL_TX_EN __BIT(12) #define UART_STATUS_RX_BUSY __BIT(26) #define UART_STATUS_TX_BUSY __BIT(25) #define UART_STATUS_TX_EMPTY __BIT(22) #define UART_STATUS_TX_FULL __BIT(21) #define UART_STATUS_RX_EMPTY __BIT(20) #define UART_STATUS_BREAK __BIT(17) #define UART_MISC_TX_IRQ_CNT __BITS(15,8) #define UART_MISC_RX_IRQ_CNT __BITS(7,0) #endif /* _MESON_UART_H */ |