1/*-
2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include "opt_ddb.h"
32#include "opt_platform.h"
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: stable/11/sys/arm/altera/socfpga/socfpga_machdep.c 314506 2017-03-01 19:55:04Z ian $");
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/bus.h>
40#include <sys/devmap.h>
41
42#include <vm/vm.h>
43
44#include <machine/armreg.h>
45#include <machine/bus.h>
46#include <machine/machdep.h>
47#include <machine/platform.h>
48
49vm_offset_t
50platform_lastaddr(void)
51{
52
53	return (devmap_lastaddr());
54}
55
56void
57platform_probe_and_attach(void)
58{
59
60}
61
62void
63platform_gpio_init(void)
64{
65
66}
67
68void
69platform_late_init(void)
70{
71
72}
73
74int
75platform_devmap_init(void)
76{
77
78	/* UART */
79	devmap_add_entry(0xffc00000, 0x100000);
80
81	/*
82	 * USB OTG
83	 *
84	 * We use static device map for USB due to some bug in the Altera
85	 * which throws Translation Fault (P) exception on high load.
86	 * It might be caused due to some power save options being turned
87	 * on or something else.
88	 */
89	devmap_add_entry(0xffb00000, 0x100000);
90
91	/* dwmmc */
92	devmap_add_entry(0xff700000, 0x100000);
93
94	/* scu */
95	devmap_add_entry(0xfff00000, 0x100000);
96
97	/* FPGA memory window, 256MB */
98	devmap_add_entry(0xd0000000, 0x10000000);
99
100	return (0);
101}
102