1 /*-
2 * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include "opt_platform.h"
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: stable/10/sys/arm/freescale/imx/imx53_machdep.c 259365 2013-12-14 00:16:08Z ian $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/bus.h>
35 #include <sys/reboot.h>
36
37 #include <vm/vm.h>
38
39 #include <machine/bus.h>
40 #include <machine/devmap.h>
41 #include <machine/machdep.h>
42 #include <arm/freescale/imx/imx_machdep.h>
43
44 vm_offset_t
initarm_lastaddr(void)45 initarm_lastaddr(void)
46 {
47
48 return (arm_devmap_lastaddr());
49 }
50
51 void
initarm_early_init(void)52 initarm_early_init(void)
53 {
54
55 /* XXX - Get rid of this stuff soon. */
56 boothowto |= RB_VERBOSE|RB_MULTIPLE;
57 bootverbose = 1;
58 }
59
60 void
initarm_gpio_init(void)61 initarm_gpio_init(void)
62 {
63
64 }
65
66 void
initarm_late_init(void)67 initarm_late_init(void)
68 {
69
70 }
71
72 /*
73 * Set up static device mappings. This is hand-optimized platform-specific
74 * config data which covers most of the common on-chip devices with a few 1MB
75 * section mappings.
76 *
77 * Notably missing are entries for GPU, IPU, in general anything video related.
78 */
79 int
initarm_devmap_init(void)80 initarm_devmap_init(void)
81 {
82
83 arm_devmap_add_entry(0x50000000, 0x00100000);
84 arm_devmap_add_entry(0x53f00000, 0x00100000);
85 arm_devmap_add_entry(0x63f00000, 0x00100000);
86
87 return (0);
88 }
89
90 void
cpu_reset(void)91 cpu_reset(void)
92 {
93
94 imx_wdog_cpu_reset(0x53F98000);
95 }
96
imx_soc_type()97 u_int imx_soc_type()
98 {
99 return (IMXSOC_53);
100 }
101
102
103