1178173Simp/*-
2178173Simp * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org>
3178173Simp * All rights reserved.
4178173Simp *
5178173Simp * Redistribution and use in source and binary forms, with or without
6178173Simp * modification, are permitted provided that the following conditions
7178173Simp * are met:
8178173Simp * 1. Redistributions of source code must retain the above copyright
9178173Simp *    notice, this list of conditions and the following disclaimer.
10178173Simp * 2. Redistributions in binary form must reproduce the above copyright
11178173Simp *    notice, this list of conditions and the following disclaimer in the
12178173Simp *    documentation and/or other materials provided with the distribution.
13178173Simp *
14178173Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15178173Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16178173Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17178173Simp * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18178173Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19178173Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20178173Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21178173Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22178173Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23178173Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24178173Simp * SUCH DAMAGE.
25178173Simp *
26178173Simp * $Id$
27178173Simp */
28178173Simp/*
29178173Simp * Skeleton of this file was based on respective code for ARM
30178173Simp * code written by Olivier Houchard.
31178173Simp */
32178173Simp#include "opt_uart.h"
33178173Simp
34178173Simp#include <sys/cdefs.h>
35178173Simp__FBSDID("$FreeBSD$");
36178173Simp
37178173Simp#include <sys/param.h>
38178173Simp#include <sys/systm.h>
39178173Simp#include <sys/bus.h>
40178173Simp#include <sys/cons.h>
41178173Simp
42178173Simp#include <machine/bus.h>
43178173Simp
44178173Simp#include <dev/uart/uart.h>
45178173Simp#include <dev/uart/uart_cpu.h>
46178173Simp
47182901Sgonzo#include <mips/malta/maltareg.h>
48178173Simp
49178173Simpbus_space_tag_t uart_bus_space_io;
50178173Simpbus_space_tag_t uart_bus_space_mem;
51178173Simp
52178173Simpextern struct uart_ops malta_usart_ops;
53178173Simpextern struct bus_space malta_bs_tag;
54178173Simp
55178173Simpint
56178173Simpuart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
57178173Simp{
58178173Simp	return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
59178173Simp}
60178173Simp
61178173Simpint
62178173Simpuart_cpu_getdev(int devtype, struct uart_devinfo *di)
63178173Simp{
64178173Simp	di->ops = uart_getops(&uart_ns8250_class);
65178173Simp	di->bas.chan = 0;
66202035Simp	di->bas.bst = mips_bus_space_generic;
67202035Simp	di->bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR);
68178173Simp	di->bas.regshft = 0;
69178173Simp	di->bas.rclk = 0;
70202035Simp	di->baudrate = 0;	/* retain the baudrate configured by YAMON */
71178173Simp	di->databits = 8;
72178173Simp	di->stopbits = 1;
73178173Simp	di->parity = UART_PARITY_NONE;
74178173Simp
75202035Simp	uart_bus_space_io = NULL;
76202035Simp	uart_bus_space_mem = mips_bus_space_generic;
77178173Simp	return (0);
78178173Simp}
79