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("$FreeBSD$");
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/ofw/openfirm.h>
36
37 #include <machine/bus.h>
38 #include <machine/fdt.h>
39
40 #include <arm/freescale/vybrid/vf_src.h>
41
42 void
43 cpu_reset(void)
44 {
45 phandle_t src;
46 uint32_t paddr;
47 bus_addr_t vaddr;
48
49 if (src_swreset() == 0)
50 goto end;
51
52 src = OF_finddevice("src");
53 if ((src != 0) && (OF_getencprop(src, "reg", &paddr, sizeof(paddr))) > 0) {
54 if (bus_space_map(fdtbus_bs_tag, paddr, 0x10, 0, &vaddr) == 0) {
55 bus_space_write_4(fdtbus_bs_tag, vaddr, 0x00, SW_RST);
56 }
57 }
58
59 end:
60 while (1);
61 }
62
63 #ifndef INTRNG
64 static int
65 fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
66 int *pol)
67 {
68
69 if (!fdt_is_compatible(node, "arm,gic"))
70 return (ENXIO);
71
72 *interrupt = fdt32_to_cpu(intr[0]);
73 *trig = INTR_TRIGGER_CONFORM;
74 *pol = INTR_POLARITY_CONFORM;
75 return (0);
76 }
77
78 fdt_pic_decode_t fdt_pic_table[] = {
79 &fdt_pic_decode_ic,
80 NULL
81 };
82 #endif
Cache object: 975d53a1212433de7557c10a8bbf0764
|