2 * Copyright (C) 2007 MARVELL INTERNATIONAL LTD.
5 * Developed by Semihalf.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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 * 3. Neither the name of MARVELL nor the names of contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/systm.h>
42 #include <machine/bus.h>
44 #include <dev/uart/uart.h>
45 #include <dev/uart/uart_cpu.h>
47 #include <arm/mv/mvreg.h>
48 #include <arm/mv/mvvar.h>
50 bus_space_tag_t uart_bus_space_io;
51 bus_space_tag_t uart_bus_space_mem;
54 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
56 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
60 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
62 struct uart_class *class = &uart_ns8250_class;
65 * If env specification for UART exists it takes precedence:
66 * hw.uart.console="mm:0xf1012000" or similar
68 if (uart_getenv(devtype, di, class) == 0)
71 * Fall back to default UART0 console settings
73 di->ops = uart_getops(class);
75 di->bas.bst = obio_tag;
76 if (bus_space_map(di->bas.bst, MV_UART0_BASE, MV_UART_SIZE,
77 0, &di->bas.bsh) != 0)
80 di->baudrate = 115200;
82 di->bas.rclk = get_tclk();
85 di->parity = UART_PARITY_NONE;
86 uart_bus_space_mem = obio_tag;
87 uart_bus_space_io = NULL;