uart_cpu_pxa.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2003 Marcel Moolenaar
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 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: stable/11/sys/arm/xscale/pxa/uart_cpu_pxa.c 330897 2018-03-14 03:19:51Z eadler $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bus.h>
35#include <sys/cons.h>
36#include <machine/bus.h>
37
38#include <dev/uart/uart.h>
39#include <dev/uart/uart_cpu.h>
40
41#include <arm/xscale/pxa/pxavar.h>
42#include <arm/xscale/pxa/pxareg.h>
43
44bus_space_tag_t uart_bus_space_io;
45bus_space_tag_t uart_bus_space_mem;
46
47int
48uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
49{
50
51	return (b1->bsh == b2->bsh ? 1 : 0);
52}
53
54int
55uart_cpu_getdev(int devtype, struct uart_devinfo *di)
56{
57
58	di->ops = uart_getops(&uart_ns8250_class);
59	di->bas.chan = 0;
60	di->bas.bst = obio_tag;
61	di->bas.regshft = 2;
62	di->bas.rclk = PXA2X0_COM_FREQ;
63	di->baudrate = 115200;
64	di->databits = 8;
65	di->stopbits = 1;
66	di->parity = UART_PARITY_NONE;
67	uart_bus_space_mem = obio_tag;
68	uart_bus_space_io = NULL;
69	di->bas.bsh = PXA2X0_FFUART_BASE;
70	return (0);
71}
72