1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
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 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/bus.h>
35 #include <sys/reboot.h>
36 #include <sys/devmap.h>
37
38 #include <vm/vm.h>
39
40 #include <machine/bus.h>
41 #include <machine/machdep.h>
42 #include <machine/platformvar.h>
43
44 #include <arm/freescale/imx/imx_machdep.h>
45
46 #include "platform_if.h"
47
48 static platform_attach_t imx53_attach;
49 static platform_devmap_init_t imx53_devmap_init;
50 static platform_cpu_reset_t imx53_cpu_reset;
51
52 static int
imx53_attach(platform_t plat)53 imx53_attach(platform_t plat)
54 {
55
56 return (0);
57 }
58
59 /*
60 * Set up static device mappings. This is hand-optimized platform-specific
61 * config data which covers most of the common on-chip devices with a few 1MB
62 * section mappings.
63 *
64 * Notably missing are entries for GPU, IPU, in general anything video related.
65 */
66 static int
imx53_devmap_init(platform_t plat)67 imx53_devmap_init(platform_t plat)
68 {
69
70 devmap_add_entry(0x50000000, 0x00100000);
71 devmap_add_entry(0x53f00000, 0x00100000);
72 devmap_add_entry(0x63f00000, 0x00100000);
73
74 return (0);
75 }
76
77 static void
imx53_cpu_reset(platform_t plat)78 imx53_cpu_reset(platform_t plat)
79 {
80
81 imx_wdog_cpu_reset(0x53F98000);
82 }
83
84 u_int
imx_soc_type(void)85 imx_soc_type(void)
86 {
87 return (IMXSOC_53);
88 }
89
90 static platform_method_t imx53_methods[] = {
91 PLATFORMMETHOD(platform_attach, imx53_attach),
92 PLATFORMMETHOD(platform_devmap_init, imx53_devmap_init),
93 PLATFORMMETHOD(platform_cpu_reset, imx53_cpu_reset),
94
95 PLATFORMMETHOD_END,
96 };
97
98 FDT_PLATFORM_DEF(imx53, "i.MX53", 0, "fsl,imx53", 100);
99