1 /*-
2 * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $Id$
27 */
28 /*
29 * Skeleton of this file was based on respective code for ARM
30 * code written by Olivier Houchard.
31 */
32 #include "opt_uart.h"
33
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: releng/10.1/sys/mips/malta/uart_cpu_maltausart.c 202175 2010-01-12 21:36:08Z imp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/bus.h>
40 #include <sys/cons.h>
41
42 #include <machine/bus.h>
43
44 #include <dev/uart/uart.h>
45 #include <dev/uart/uart_cpu.h>
46
47 #include <mips/malta/maltareg.h>
48
49 bus_space_tag_t uart_bus_space_io;
50 bus_space_tag_t uart_bus_space_mem;
51
52 extern struct uart_ops malta_usart_ops;
53 extern struct bus_space malta_bs_tag;
54
55 int
56 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
57 {
58 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
59 }
60
61 int
62 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
63 {
64 di->ops = uart_getops(&uart_ns8250_class);
65 di->bas.chan = 0;
66 di->bas.bst = mips_bus_space_generic;
67 di->bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR);
68 di->bas.regshft = 0;
69 di->bas.rclk = 0;
70 di->baudrate = 0; /* retain the baudrate configured by YAMON */
71 di->databits = 8;
72 di->stopbits = 1;
73 di->parity = UART_PARITY_NONE;
74
75 uart_bus_space_io = NULL;
76 uart_bus_space_mem = mips_bus_space_generic;
77 return (0);
78 }
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