1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
5 * All rights reserved.
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include "opt_platform.h"
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/devmap.h>
37
38#include <vm/vm.h>
39
40#include <dev/ofw/openfirm.h>
41
42#include <machine/bus.h>
43#include <machine/fdt.h>
44#include <machine/platform.h>
45#include <machine/platformvar.h>
46
47#include <arm/freescale/vybrid/vf_src.h>
48
49#include "platform_if.h"
50
51static int
52vf_devmap_init(platform_t plat)
53{
54
55	devmap_add_entry(0x40000000, 0x100000);
56
57	return (0);
58}
59
60static void
61vf_cpu_reset(platform_t plat)
62{
63	phandle_t src;
64	uint32_t paddr;
65	bus_addr_t vaddr;
66
67	if (src_swreset() == 0)
68		goto end;
69
70	src = OF_finddevice("src");
71	if ((src != -1) && (OF_getencprop(src, "reg", &paddr, sizeof(paddr))) > 0) {
72		if (bus_space_map(fdtbus_bs_tag, paddr, 0x10, 0, &vaddr) == 0) {
73			bus_space_write_4(fdtbus_bs_tag, vaddr, 0x00, SW_RST);
74		}
75	}
76
77end:
78	while (1);
79}
80
81static platform_method_t vf_methods[] = {
82	PLATFORMMETHOD(platform_devmap_init,	vf_devmap_init),
83	PLATFORMMETHOD(platform_cpu_reset,	vf_cpu_reset),
84
85	PLATFORMMETHOD_END,
86};
87
88FDT_PLATFORM_DEF(vf, "vybrid", 0, "freescale,vybrid", 200);
89