socfpga_machdep.c revision 272896 
1316722Sdelphij/*-
2275970Scy * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
3275970Scy * All rights reserved.
4275970Scy *
5275970Scy * This software was developed by SRI International and the University of
6316722Sdelphij * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7275970Scy * ("CTSRD"), as part of the DARPA CRASH research programme.
8275970Scy *
9275970Scy * Redistribution and use in source and binary forms, with or without
10275970Scy * modification, are permitted provided that the following conditions
11275970Scy * are met:
12275970Scy * 1. Redistributions of source code must retain the above copyright
13275970Scy *    notice, this list of conditions and the following disclaimer.
14275970Scy * 2. Redistributions in binary form must reproduce the above copyright
15275970Scy *    notice, this list of conditions and the following disclaimer in the
16275970Scy *    documentation and/or other materials provided with the distribution.
17275970Scy *
18275970Scy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19275970Scy * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20275970Scy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21275970Scy * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22275970Scy * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23275970Scy * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24275970Scy * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25275970Scy * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26275970Scy * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27275970Scy * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28275970Scy * SUCH DAMAGE.
29275970Scy */
30275970Scy
31275970Scy#include "opt_ddb.h"
32275970Scy#include "opt_platform.h"
33275970Scy
34275970Scy#include <sys/cdefs.h>
35275970Scy__FBSDID("$FreeBSD: head/sys/arm/altera/socfpga/socfpga_machdep.c 272896 2014-10-10 14:35:51Z br $");
36275970Scy
37275970Scy#define	_ARM32_BUS_DMA_PRIVATE
38275970Scy#include <sys/param.h>
39275970Scy#include <sys/systm.h>
40275970Scy#include <sys/bus.h>
41275970Scy
42275970Scy#include <vm/vm.h>
43275970Scy
44275970Scy#include <machine/armreg.h>
45275970Scy#include <machine/bus.h>
46275970Scy#include <machine/devmap.h>
47275970Scy#include <machine/machdep.h>
48275970Scy#include <machine/platform.h>
49275970Scy
50275970Scyvm_offset_t
51275970Scyplatform_lastaddr(void)
52275970Scy{
53275970Scy
54275970Scy	return (arm_devmap_lastaddr());
55275970Scy}
56275970Scy
57275970Scyvoid
58275970Scyplatform_probe_and_attach(void)
59275970Scy{
60275970Scy
61275970Scy}
62275970Scy
63275970Scyvoid
64275970Scyplatform_gpio_init(void)
65275970Scy{
66275970Scy
67275970Scy}
68275970Scy
69275970Scyvoid
70275970Scyplatform_late_init(void)
71275970Scy{
72275970Scy
73275970Scy}
74275970Scy
75275970Scyint
76platform_devmap_init(void)
77{
78
79	/* UART */
80	arm_devmap_add_entry(0xffc00000, 0x100000);
81
82	/*
83	 * USB OTG
84	 *
85	 * We use static device map for USB due to some bug in the Altera
86	 * which throws Translation Fault (P) exception on high load.
87	 * It might be caused due to some power save options being turned
88	 * on or something else.
89	 */
90	arm_devmap_add_entry(0xffb00000, 0x100000);
91
92	/* dwmmc */
93	arm_devmap_add_entry(0xff700000, 0x100000);
94
95	/* scu */
96	arm_devmap_add_entry(0xfff00000, 0x100000);
97
98	return (0);
99}
100
101struct arm32_dma_range *
102bus_dma_get_range(void)
103{
104
105	return (NULL);
106}
107
108int
109bus_dma_get_range_nb(void)
110{
111
112	return (0);
113}
114