uart_cpu_pxa.c revision 267654 
1/*-
2 * Copyright (c) 2003 Marcel Moolenaar
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 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: releng/9.3/sys/arm/xscale/pxa/uart_cpu_pxa.c 179595 2008-06-06 05:08:09Z benno $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/cons.h>
34#include <machine/bus.h>
35
36#include <dev/uart/uart.h>
37#include <dev/uart/uart_cpu.h>
38
39#include <arm/xscale/pxa/pxavar.h>
40#include <arm/xscale/pxa/pxareg.h>
41
42bus_space_tag_t uart_bus_space_io;
43bus_space_tag_t uart_bus_space_mem;
44
45int
46uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
47{
48
49	return (b1->bsh == b2->bsh ? 1 : 0);
50}
51
52int
53uart_cpu_getdev(int devtype, struct uart_devinfo *di)
54{
55
56	di->ops = uart_getops(&uart_ns8250_class);
57	di->bas.chan = 0;
58	di->bas.bst = obio_tag;
59	di->bas.regshft = 2;
60	di->bas.rclk = PXA2X0_COM_FREQ;
61	di->baudrate = 115200;
62	di->databits = 8;
63	di->stopbits = 1;
64	di->parity = UART_PARITY_NONE;
65	uart_bus_space_mem = obio_tag;
66	uart_bus_space_io = NULL;
67	di->bas.bsh = PXA2X0_FFUART_BASE;
68	return (0);
69}
70