1/*-
2 * Copyright (C) 2009 Yohanes Nugroho <yohanes@gmail.com>
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
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 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 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
29#include "opt_uart.h"
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/bus.h>
37#include <sys/cons.h>
38
39#include <machine/bus.h>
40
41#include <dev/uart/uart.h>
42#include <dev/uart/uart_cpu.h>
43
44#include <sys/rman.h>
45
46#include <arm/econa/econa_reg.h>
47#include <arm/econa/econa_var.h>
48
49bus_space_tag_t uart_bus_space_io;
50bus_space_tag_t uart_bus_space_mem;
51
52int
53uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
54{
55
56	return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
57}
58
59int
60uart_cpu_getdev(int devtype, struct uart_devinfo *di)
61{
62	struct uart_class *class = &uart_ns8250_class;
63
64	di->ops = uart_getops(class);
65	di->bas.chan = 0;
66	di->bas.bst = obio_tag;
67
68	if (bus_space_map(di->bas.bst, ECONA_IO_BASE + ECONA_UART_BASE,
69	    ECONA_UART_SIZE,
70	    0, &di->bas.bsh) != 0) {
71		return (ENXIO);
72	}
73
74	di->baudrate = 0;
75	di->bas.regshft = EC_UART_REGSHIFT;
76	di->bas.rclk = EC_UART_CLOCK ;
77	di->databits = 8;
78	di->stopbits = 1;
79	di->parity = UART_PARITY_NONE;
80	uart_bus_space_mem = obio_tag;
81	uart_bus_space_io = NULL;
82
83	return (0);
84}
85