1 /*-
2 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
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 <sys/cdefs.h>
28 __FBSDID("$FreeBSD: releng/11.0/sys/arm/freescale/vybrid/vf_common.c 298068 2016-04-15 16:05:41Z andrew $");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34
35 #include <dev/fdt/fdt_common.h>
36 #include <dev/ofw/openfirm.h>
37
38 #include <machine/bus.h>
39 #include <machine/fdt.h>
40
41 #include <arm/freescale/vybrid/vf_src.h>
42
43 void
44 cpu_reset(void)
45 {
46 phandle_t src;
47 uint32_t addr, paddr;
48 bus_addr_t vaddr;
49
50 if (src_swreset() == 0)
51 goto end;
52
53 src = OF_finddevice("src");
54 if ((src != 0) && (OF_getprop(src, "reg", &paddr, sizeof(paddr))) > 0) {
55 addr = fdt32_to_cpu(paddr);
56 if (bus_space_map(fdtbus_bs_tag, addr, 0x10, 0, &vaddr) == 0) {
57 bus_space_write_4(fdtbus_bs_tag, vaddr, 0x00, SW_RST);
58 }
59 }
60
61 end:
62 while (1);
63 }
64
65 struct fdt_fixup_entry fdt_fixup_table[] = {
66 { NULL, NULL }
67 };
68
69 #ifndef INTRNG
70 static int
71 fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
72 int *pol)
73 {
74
75 if (!fdt_is_compatible(node, "arm,gic"))
76 return (ENXIO);
77
78 *interrupt = fdt32_to_cpu(intr[0]);
79 *trig = INTR_TRIGGER_CONFORM;
80 *pol = INTR_POLARITY_CONFORM;
81 return (0);
82 }
83
84 fdt_pic_decode_t fdt_pic_table[] = {
85 &fdt_pic_decode_ic,
86 NULL
87 };
88 #endif
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