1 1.1 jmcneill /* $NetBSD: meson_uart.h,v 1.1 2019/01/19 20:56:03 jmcneill Exp $ */ 2 1.1 jmcneill 3 1.1 jmcneill /*- 4 1.1 jmcneill * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1 jmcneill * All rights reserved. 6 1.1 jmcneill * 7 1.1 jmcneill * Redistribution and use in source and binary forms, with or without 8 1.1 jmcneill * modification, are permitted provided that the following conditions 9 1.1 jmcneill * are met: 10 1.1 jmcneill * 1. Redistributions of source code must retain the above copyright 11 1.1 jmcneill * notice, this list of conditions and the following disclaimer. 12 1.1 jmcneill * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 jmcneill * notice, this list of conditions and the following disclaimer in the 14 1.1 jmcneill * documentation and/or other materials provided with the distribution. 15 1.1 jmcneill * 16 1.1 jmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1 jmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1 jmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1 jmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1 jmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1 jmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1 jmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1 jmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1 jmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 jmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 jmcneill * SUCH DAMAGE. 27 1.1 jmcneill */ 28 1.1 jmcneill 29 1.1 jmcneill #ifndef _MESON_UART_H 30 1.1 jmcneill #define _MESON_UART_H 31 1.1 jmcneill 32 1.1 jmcneill #define UART_WFIFO_REG 0x00 33 1.1 jmcneill #define UART_RFIFO_REG 0x04 34 1.1 jmcneill #define UART_CONTROL_REG 0x08 35 1.1 jmcneill #define UART_STATUS_REG 0x0c 36 1.1 jmcneill #define UART_MISC_REG 0x10 37 1.1 jmcneill #define UART_REG5_REG 0x14 38 1.1 jmcneill 39 1.1 jmcneill #define UART_CONTROL_TX_INT_EN __BIT(28) 40 1.1 jmcneill #define UART_CONTROL_RX_INT_EN __BIT(27) 41 1.1 jmcneill #define UART_CONTROL_CLEAR_ERR __BIT(24) 42 1.1 jmcneill #define UART_CONTROL_RX_RESET __BIT(23) 43 1.1 jmcneill #define UART_CONTROL_TX_RESET __BIT(22) 44 1.1 jmcneill #define UART_CONTROL_RX_EN __BIT(13) 45 1.1 jmcneill #define UART_CONTROL_TX_EN __BIT(12) 46 1.1 jmcneill 47 1.1 jmcneill #define UART_STATUS_RX_BUSY __BIT(26) 48 1.1 jmcneill #define UART_STATUS_TX_BUSY __BIT(25) 49 1.1 jmcneill #define UART_STATUS_TX_EMPTY __BIT(22) 50 1.1 jmcneill #define UART_STATUS_TX_FULL __BIT(21) 51 1.1 jmcneill #define UART_STATUS_RX_EMPTY __BIT(20) 52 1.1 jmcneill #define UART_STATUS_BREAK __BIT(17) 53 1.1 jmcneill 54 1.1 jmcneill #define UART_MISC_TX_IRQ_CNT __BITS(15,8) 55 1.1 jmcneill #define UART_MISC_RX_IRQ_CNT __BITS(7,0) 56 1.1 jmcneill 57 1.1 jmcneill #endif /* _MESON_UART_H */ 58