1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
29 */
30
31 /*
32 * Machine dependent code for Xilinx Zynq-7000 Soc.
33 *
34 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
35 * (v1.4) November 16, 2012. Xilinx doc UG585.
36 */
37
38 #include "opt_platform.h"
39
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/bus.h>
46 #include <sys/devmap.h>
47
48 #include <vm/vm.h>
49 #include <vm/pmap.h>
50
51 #include <machine/bus.h>
52 #include <machine/machdep.h>
53 #include <machine/platform.h>
54 #include <machine/platformvar.h>
55
56 #include <arm/xilinx/zy7_machdep.h>
57 #include <arm/xilinx/zy7_reg.h>
58
59 #include "platform_if.h"
60 #include "platform_pl310_if.h"
61
62 void (*zynq7_cpu_reset)(void);
63
64 /*
65 * Set up static device mappings. Not strictly necessary -- simplebus will
66 * dynamically establish mappings as needed -- but doing it this way gets us
67 * nice efficient 1MB section mappings.
68 */
69 static int
70 zynq7_devmap_init(platform_t plat)
71 {
72
73 devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
74 devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE);
75
76 return (0);
77 }
78
79 static void
80 zynq7_do_cpu_reset(platform_t plat)
81 {
82 if (zynq7_cpu_reset != NULL)
83 (*zynq7_cpu_reset)();
84
85 printf("cpu_reset: no platform cpu_reset. hanging.\n");
86 for (;;)
87 ;
88 }
89
90 static platform_method_t zynq7_methods[] = {
91 PLATFORMMETHOD(platform_devmap_init, zynq7_devmap_init),
92 PLATFORMMETHOD(platform_cpu_reset, zynq7_do_cpu_reset),
93
94 #ifdef SMP
95 PLATFORMMETHOD(platform_mp_setmaxid, zynq7_mp_setmaxid),
96 PLATFORMMETHOD(platform_mp_start_ap, zynq7_mp_start_ap),
97 #endif
98
99 PLATFORMMETHOD(platform_pl310_init, zynq7_pl310_init),
100
101 PLATFORMMETHOD_END,
102 };
103
104 FDT_PLATFORM_DEF(zynq7, "zynq7", 0, "xlnx,zynq-7000", 200);
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