imx_machdep.h revision 323410 
1/*-
2 * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/arm/freescale/imx/imx_machdep.h 323410 2017-09-11 01:01:00Z ian $
27 */
28
29#ifndef	IMX_MACHDEP_H
30#define	IMX_MACHDEP_H
31
32#include <sys/types.h>
33#include <sys/sysctl.h>
34
35SYSCTL_DECL(_hw_imx);
36
37/* Common functions, implemented in imx_machdep.c. */
38
39void imx_wdog_cpu_reset(vm_offset_t _wdcr_phys)  __attribute__((__noreturn__));
40void imx_wdog_init_last_reset(vm_offset_t _wdsr_phys);
41
42/* From here down, routines are implemented in imxNN_machdep.c. */
43
44/*
45 * SoC identity.
46 * According to the documentation, there is such a thing as an i.MX6 Dual
47 * (non-lite flavor).  However, Freescale doesn't seem to have assigned it a
48 * number in their code for determining the SoC type in u-boot.
49 *
50 * To-do: put silicon revision numbers into the low-order bits somewhere.
51 */
52#define	IMXSOC_51	0x51000000
53#define	IMXSOC_53	0x53000000
54#define	IMXSOC_6SL	0x60000000
55#define	IMXSOC_6DL	0x61000000
56#define	IMXSOC_6S	0x62000000
57#define	IMXSOC_6Q	0x63000000
58#define	IMXSOC_6UL	0x64000000
59#define	IMXSOC_FAMSHIFT	28
60
61u_int imx_soc_type(void);
62u_int imx_soc_family(void);
63
64#endif
65
66