1 /*-
2 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
3 * reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * 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
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``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
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * NETLOGIC_BSD */
29
30 /*
31 * Skeleton of this file was based on respective code for ARM
32 * code written by Olivier Houchard.
33 */
34 /*
35 * XLRMIPS: This file is hacked from arm/...
36 */
37 #include "opt_platform.h"
38
39 #ifndef FDT /* use FDT uart when fdt is enable */
40 #include "opt_uart.h"
41
42 #include <sys/cdefs.h>
43 __FBSDID("$FreeBSD$");
44
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/bus.h>
48 #include <sys/cons.h>
49 #include <sys/kdb.h>
50 #include <sys/kernel.h>
51 #include <sys/lock.h>
52 #include <sys/mutex.h>
53
54 #include <machine/bus.h>
55
56 #include <dev/uart/uart.h>
57 #include <dev/uart/uart_cpu.h>
58
59 #include <mips/nlm/hal/haldefs.h>
60 #include <mips/nlm/hal/iomap.h>
61 #include <mips/nlm/hal/mips-extns.h>
62 #include <mips/nlm/hal/uart.h>
63
64 #include <mips/nlm/board.h>
65
66 bus_space_tag_t uart_bus_space_io;
67 bus_space_tag_t uart_bus_space_mem;
68
69 int
uart_cpu_eqres(struct uart_bas * b1,struct uart_bas * b2)70 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
71 {
72 return (b1->bsh == b2->bsh && b1->bst == b2->bst);
73 }
74
75 int
uart_cpu_getdev(int devtype,struct uart_devinfo * di)76 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
77 {
78 di->ops = uart_getops(&uart_ns8250_class);
79 di->bas.chan = 0;
80 di->bas.bst = rmi_uart_bus_space;
81 di->bas.bsh = nlm_get_uart_regbase(0, BOARD_CONSOLE_UART);
82
83 di->bas.regshft = 2;
84 /* divisor = rclk / (baudrate * 16); */
85 di->bas.rclk = XLP_IO_CLK;
86 di->baudrate = BOARD_CONSOLE_SPEED;
87 di->databits = 8;
88 di->stopbits = 1;
89 di->parity = UART_PARITY_NONE;
90
91 uart_bus_space_io = NULL;
92 uart_bus_space_mem = rmi_uart_bus_space;
93 return (0);
94 }
95 #endif
96