1 /* $NetBSD: tegra_soc.c,v 1.16 2018/09/24 22:22:16 jmcneill Exp $ */
2
3 /*-
4 * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca>
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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * 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_tegra.h"
30 #include "opt_multiprocessor.h"
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: tegra_soc.c,v 1.16 2018/09/24 22:22:16 jmcneill Exp $");
34
35 #include <sys/param.h>
36 #include <sys/bus.h>
37 #include <sys/cpu.h>
38 #include <sys/device.h>
39
40 #include <uvm/uvm_extern.h>
41
42 #include <arm/bootconfig.h>
43 #include <arm/cpufunc.h>
44
45 #include <arm/nvidia/tegra_reg.h>
46 #include <arm/nvidia/tegra_apbreg.h>
47 #include <arm/nvidia/tegra_mcreg.h>
48 #include <arm/nvidia/tegra_var.h>
49
50 bus_space_handle_t tegra_ppsb_bsh;
51 bus_space_handle_t tegra_apb_bsh;
52
53 void
tegra_bootstrap(void)54 tegra_bootstrap(void)
55 {
56 extern struct bus_space arm_generic_bs_tag;
57 bus_space_tag_t bst = &arm_generic_bs_tag;
58
59 if (bus_space_map(bst, TEGRA_PPSB_BASE, TEGRA_PPSB_SIZE, 0,
60 &tegra_ppsb_bsh) != 0)
61 panic("couldn't map PPSB");
62 if (bus_space_map(bst, TEGRA_APB_BASE, TEGRA_APB_SIZE, 0,
63 &tegra_apb_bsh) != 0)
64 panic("couldn't map APB");
65 }
66