1/*-
2 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
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 * 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.
18 *
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
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD$");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/bus.h>
38
39#include <machine/bus.h>
40#include <machine/fdt.h>
41
42#include <arm/mv/mvreg.h>
43#include <arm/mv/mvvar.h>
44#include <arm/mv/mvwin.h>
45
46struct resource_spec mv_gpio_res[] = {
47	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
48	{ SYS_RES_IRQ,		0,	RF_ACTIVE },
49	{ SYS_RES_IRQ,		1,	RF_ACTIVE },
50	{ SYS_RES_IRQ,		2,	RF_ACTIVE },
51	{ SYS_RES_IRQ,		3,	RF_ACTIVE },
52	{ -1, 0 }
53};
54
55const struct decode_win idma_win_tbl[] = {
56	{ 0 },
57};
58const struct decode_win *idma_wins = idma_win_tbl;
59int idma_wins_no = 0;
60
61const struct decode_win xor_win_tbl[] = {
62	{ 0 },
63};
64const struct decode_win *xor_wins = xor_win_tbl;
65int xor_wins_no = 0;
66
67uint32_t
68get_tclk(void)
69{
70	uint32_t sar;
71
72	/*
73	 * On Discovery TCLK is can be configured to 166 MHz or 200 MHz.
74	 * Current setting is read from Sample At Reset register.
75	 */
76	sar = bus_space_read_4(fdtbus_bs_tag, MV_MPP_BASE, SAMPLE_AT_RESET_HI);
77	sar = (sar & TCLK_MASK) >> TCLK_SHIFT;
78
79	switch (sar) {
80	case 0:
81		return (TCLK_166MHZ);
82	case 1:
83		return (TCLK_200MHZ);
84	default:
85		panic("Unknown TCLK settings!");
86	}
87}
88