FreeBSD/Linux Kernel Cross Reference
sys/arm/tegra/common.c
1 /*-
2 * Copyright (c) 2011 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * Developed by Damjan Marion <damjan.marion@gmail.com>
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 <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/10.0/sys/arm/tegra/common.c 240549 2012-09-16 07:55:49Z andrew $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/bus.h>
35 #include <sys/kernel.h>
36
37 #include <dev/fdt/fdt_common.h>
38 #include <dev/ofw/openfirm.h>
39
40 #include <machine/bus.h>
41 #include <machine/fdt.h>
42
43 /* FIXME move to header file */
44 #define TEGRA2_CLK_RST_PA_BASE 0x60006000
45
46 void
47 cpu_reset(void)
48 {
49 bus_space_handle_t bsh;
50 printf("Resetting...\n");
51 bus_space_map(fdtbus_bs_tag,TEGRA2_CLK_RST_PA_BASE, 0x1000, 0, &bsh);
52 bus_space_write_4(fdtbus_bs_tag, bsh, 4, 4);
53
54 while(1);
55 }
56
57 struct fdt_fixup_entry fdt_fixup_table[] = {
58 { NULL, NULL }
59 };
60
61 static int
62 fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
63 int *pol)
64 {
65 if (!fdt_is_compatible(node, "arm,gic"))
66 return (ENXIO);
67
68 *interrupt = fdt32_to_cpu(intr[0]);
69 *trig = INTR_TRIGGER_CONFORM;
70 *pol = INTR_POLARITY_CONFORM;
71 return (0);
72 }
73
74 fdt_pic_decode_t fdt_pic_table[] = {
75 &fdt_pic_decode_ic,
76 NULL
77 };
78
79
80
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