1/* $OpenBSD: am335x.c,v 1.12 2020/03/31 10:33:10 kettenis Exp $ */
2
3/*
4 * Copyright (c) 2011 Uwe Stuehler <uwe@openbsd.org>
5 * Copyright (c) 2013 Raphael Graf <r@undefined.ch>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#include <sys/param.h>
21#include <machine/bus.h>
22
23#include <armv7/armv7/armv7var.h>
24
25#define PRCM_SIZE	0x2000
26#define PRCM_ADDR	0x44E00000
27
28#define DMTIMERx_SIZE	0x80
29#define DMTIMER0_ADDR	0x44E05000
30#define DMTIMER1_ADDR	0x44E31000	/* 1MS */
31#define DMTIMER2_ADDR	0x48040000
32#define DMTIMER3_ADDR	0x48042000
33#define DMTIMER4_ADDR	0x48044000
34#define DMTIMER5_ADDR	0x48046000
35#define DMTIMER6_ADDR	0x48048000
36#define DMTIMER7_ADDR	0x4804A000
37#define DMTIMER0_IRQ	66
38#define DMTIMER1_IRQ	67
39#define DMTIMER2_IRQ	68
40#define DMTIMER3_IRQ	69
41#define DMTIMER4_IRQ	92
42#define DMTIMER5_IRQ	93
43#define DMTIMER6_IRQ	94
44#define DMTIMER7_IRQ	95
45
46struct armv7_dev am335x_devs[] = {
47
48	/*
49	 * Power, Reset and Clock Manager
50	 */
51
52	{ .name = "prcm",
53	  .unit = 0,
54	  .mem = { { PRCM_ADDR, PRCM_SIZE } },
55	},
56
57	/*
58	 * General Purpose Timers
59	 */
60
61	{ .name = "dmtimer",
62	  .unit = 0,
63	  .mem = { { DMTIMER2_ADDR, DMTIMERx_SIZE } },
64	  .irq = { DMTIMER2_IRQ }
65	},
66
67	{ .name = "dmtimer",
68	  .unit = 1,
69	  .mem = { { DMTIMER3_ADDR, DMTIMERx_SIZE } },
70	  .irq = { DMTIMER3_IRQ }
71	},
72
73	/* Terminator */
74	{ .name = NULL,
75	  .unit = 0
76	}
77};
78
79void
80am335x_init(void)
81{
82	armv7_set_devs(am335x_devs);
83}
84