xref: /freebsd/sys/arm/freescale/imx/imx_machdep.h (revision af3dc4a7ca7fdfbe1790f34b83024557a35d11f2)
1ec4081c1SIan Lepore /*-
2*af3dc4a7SPedro F. Giffuni  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*af3dc4a7SPedro F. Giffuni  *
4ec4081c1SIan Lepore  * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
5ec4081c1SIan Lepore  * All rights reserved.
6ec4081c1SIan Lepore  *
7ec4081c1SIan Lepore  * Redistribution and use in source and binary forms, with or without
8ec4081c1SIan Lepore  * modification, are permitted provided that the following conditions
9ec4081c1SIan Lepore  * are met:
10ec4081c1SIan Lepore  * 1. Redistributions of source code must retain the above copyright
11ec4081c1SIan Lepore  *    notice, this list of conditions and the following disclaimer.
12ec4081c1SIan Lepore  * 2. Redistributions in binary form must reproduce the above copyright
13ec4081c1SIan Lepore  *    notice, this list of conditions and the following disclaimer in the
14ec4081c1SIan Lepore  *    documentation and/or other materials provided with the distribution.
15ec4081c1SIan Lepore  *
16ec4081c1SIan Lepore  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17ec4081c1SIan Lepore  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18ec4081c1SIan Lepore  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19ec4081c1SIan Lepore  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20ec4081c1SIan Lepore  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21ec4081c1SIan Lepore  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22ec4081c1SIan Lepore  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23ec4081c1SIan Lepore  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24ec4081c1SIan Lepore  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25ec4081c1SIan Lepore  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26ec4081c1SIan Lepore  * SUCH DAMAGE.
27ec4081c1SIan Lepore  *
28ec4081c1SIan Lepore  * $FreeBSD$
29ec4081c1SIan Lepore  */
30ec4081c1SIan Lepore 
31ec4081c1SIan Lepore #ifndef	IMX_MACHDEP_H
32ec4081c1SIan Lepore #define	IMX_MACHDEP_H
33ec4081c1SIan Lepore 
34ec4081c1SIan Lepore #include <sys/types.h>
35bd6b2f9bSIan Lepore #include <sys/sysctl.h>
36bd6b2f9bSIan Lepore 
37bd6b2f9bSIan Lepore SYSCTL_DECL(_hw_imx);
38ec4081c1SIan Lepore 
39ec4081c1SIan Lepore /* Common functions, implemented in imx_machdep.c. */
40ec4081c1SIan Lepore 
41ec4081c1SIan Lepore void imx_wdog_cpu_reset(vm_offset_t _wdcr_phys)  __attribute__((__noreturn__));
42bd6b2f9bSIan Lepore void imx_wdog_init_last_reset(vm_offset_t _wdsr_phys);
43ec4081c1SIan Lepore 
44f955880fSIan Lepore /* From here down, routines are implemented in imxNN_machdep.c. */
45f955880fSIan Lepore 
46ec4081c1SIan Lepore /*
47ec4081c1SIan Lepore  * SoC identity.
48f955880fSIan Lepore  * According to the documentation, there is such a thing as an i.MX6 Dual
49f955880fSIan Lepore  * (non-lite flavor).  However, Freescale doesn't seem to have assigned it a
50f955880fSIan Lepore  * number in their code for determining the SoC type in u-boot.
51f955880fSIan Lepore  *
52f955880fSIan Lepore  * To-do: put silicon revision numbers into the low-order bits somewhere.
53ec4081c1SIan Lepore  */
54f955880fSIan Lepore #define	IMXSOC_51	0x51000000
55f955880fSIan Lepore #define	IMXSOC_53	0x53000000
56f955880fSIan Lepore #define	IMXSOC_6SL	0x60000000
57f955880fSIan Lepore #define	IMXSOC_6DL	0x61000000
58f955880fSIan Lepore #define	IMXSOC_6S	0x62000000
59f955880fSIan Lepore #define	IMXSOC_6Q	0x63000000
60c1411a76SIan Lepore #define	IMXSOC_6UL	0x64000000
61f955880fSIan Lepore #define	IMXSOC_FAMSHIFT	28
62ec4081c1SIan Lepore 
63ec4081c1SIan Lepore u_int imx_soc_type(void);
64ec4081c1SIan Lepore u_int imx_soc_family(void);
65ec4081c1SIan Lepore 
66ec4081c1SIan Lepore #endif
67ec4081c1SIan Lepore 
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