2 * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $Id: uart_cpu_mips_xlr.c,v 1.5 2008-07-16 20:22:39 jayachandranc Exp $
29 * Skeleton of this file was based on respective code for ARM
30 * code written by Olivier Houchard.
33 * XLRMIPS: This file is hacked from arm/...
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/param.h>
41 #include <sys/systm.h>
45 #include <machine/bus.h>
47 #include <dev/uart/uart.h>
48 #include <dev/uart/uart_cpu.h>
50 #include <sys/kernel.h>
52 #include <sys/mutex.h>
53 #include <mips/rmi/iomap.h>
55 bus_space_tag_t uart_bus_space_io;
56 bus_space_tag_t uart_bus_space_mem;
59 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
61 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
66 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
68 di->ops = uart_getops(&uart_ns8250_class);
70 di->bas.bst = rmi_bus_space;
71 di->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
74 /* divisor = rclk / (baudrate * 16); */
75 di->bas.rclk = 66000000;
79 di->parity = UART_PARITY_NONE;
81 uart_bus_space_io = NULL;
82 uart_bus_space_mem = rmi_bus_space;