1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2013 Thomas Skibo
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/*
30 * Machine dependent code for Xilinx Zynq-7000 Soc.
31 *
32 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
33 * (v1.4) November 16, 2012.  Xilinx doc UG585.
34 */
35
36#include "opt_platform.h"
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/bus.h>
41#include <sys/devmap.h>
42
43#include <vm/vm.h>
44#include <vm/pmap.h>
45
46#include <machine/bus.h>
47#include <machine/machdep.h>
48#include <machine/platform.h>
49#include <machine/platformvar.h>
50
51#include <arm/xilinx/zy7_machdep.h>
52#include <arm/xilinx/zy7_reg.h>
53
54#include "platform_if.h"
55#include "platform_pl310_if.h"
56
57void (*zynq7_cpu_reset)(void);
58
59/*
60 * Set up static device mappings.  Not strictly necessary -- simplebus will
61 * dynamically establish mappings as needed -- but doing it this way gets us
62 * nice efficient 1MB section mappings.
63 */
64static int
65zynq7_devmap_init(platform_t plat)
66{
67
68	devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
69	devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE);
70
71	return (0);
72}
73
74static void
75zynq7_do_cpu_reset(platform_t plat)
76{
77	if (zynq7_cpu_reset != NULL)
78		(*zynq7_cpu_reset)();
79
80	printf("cpu_reset: no platform cpu_reset.  hanging.\n");
81	for (;;)
82		;
83}
84
85static platform_method_t zynq7_methods[] = {
86	PLATFORMMETHOD(platform_devmap_init,	zynq7_devmap_init),
87	PLATFORMMETHOD(platform_cpu_reset,	zynq7_do_cpu_reset),
88
89#ifdef SMP
90	PLATFORMMETHOD(platform_mp_setmaxid,	zynq7_mp_setmaxid),
91	PLATFORMMETHOD(platform_mp_start_ap,	zynq7_mp_start_ap),
92#endif
93
94	PLATFORMMETHOD(platform_pl310_init,	zynq7_pl310_init),
95
96	PLATFORMMETHOD_END,
97};
98
99FDT_PLATFORM_DEF(zynq7, "zynq7", 0, "xlnx,zynq-7000", 200);
100