uart_cpu_adm5120.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id$ 29 */ 30/* 31 * Skeleton of this file was based on respective code for ARM 32 * code written by Olivier Houchard. 33 */ 34/* 35 * XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is 36 * experimental and was written for MIPS32 port. 37 */ 38#include "opt_uart.h" 39 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: stable/11/sys/mips/adm5120/uart_cpu_adm5120.c 330897 2018-03-14 03:19:51Z eadler $"); 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/bus.h> 46#include <sys/cons.h> 47 48#include <machine/bus.h> 49 50#include <dev/uart/uart.h> 51#include <dev/uart/uart_cpu.h> 52 53#include <mips/adm5120/adm5120reg.h> 54 55extern struct uart_class uart_adm5120_uart_class; 56bus_space_tag_t uart_bus_space_io; 57bus_space_tag_t uart_bus_space_mem; 58 59int 60uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 61{ 62 63 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 64} 65 66int 67uart_cpu_getdev(int devtype, struct uart_devinfo *di) 68{ 69 70 di->ops = uart_getops(&uart_adm5120_uart_class); 71 di->bas.chan = 0; 72 di->bas.bst = mips_bus_space_generic; 73 di->bas.regshft = 0; 74 di->bas.rclk = 0; 75 di->baudrate = 115200; 76 di->databits = 8; 77 di->stopbits = 1; 78 di->parity = UART_PARITY_NONE; 79 80 uart_bus_space_io = 0; 81 uart_bus_space_mem = mips_bus_space_generic; 82 di->bas.bsh = MIPS_PHYS_TO_KSEG1(ADM5120_BASE_UART0); 83 84 return (0); 85} 86