xref: /freebsd/sys/arm/ti/ti_cpuid.h (revision 148a8da8)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011
5  *	Ben Gray <ben.r.gray@gmail.com>.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _TI_CPUID_H_
33 #define	_TI_CPUID_H_
34 
35 #define	OMAP_MAKEREV(d, a, b, c) \
36 	(uint32_t)(((d) << 16) | (((a) & 0xf) << 8) | (((b) & 0xf) << 4) | ((c) & 0xf))
37 
38 #define	OMAP_REV_DEVICE(x)	(((x) >> 16) & 0xffff)
39 #define	OMAP_REV_MAJOR(x)	(((x) >> 8) & 0xf)
40 #define	OMAP_REV_MINOR(x)	(((x) >> 4) & 0xf)
41 #define	OMAP_REV_MINOR_MINOR(x)	(((x) >> 0) & 0xf)
42 
43 #define	OMAP3350_DEV		0x3530
44 #define	OMAP3350_REV_ES1_0	OMAP_MAKEREV(OMAP3350_DEV, 1, 0, 0)
45 #define	OMAP3530_REV_ES2_0	OMAP_MAKEREV(OMAP3350_DEV, 2, 0, 0)
46 #define	OMAP3530_REV_ES2_1	OMAP_MAKEREV(OMAP3350_DEV, 2, 1, 0)
47 #define	OMAP3530_REV_ES3_0	OMAP_MAKEREV(OMAP3350_DEV, 3, 0, 0)
48 #define	OMAP3530_REV_ES3_1	OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 0)
49 #define	OMAP3530_REV_ES3_1_2	OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 2)
50 
51 #define	OMAP4430_DEV		0x4430
52 #define	OMAP4430_REV_ES1_0	OMAP_MAKEREV(OMAP4430_DEV, 1, 0, 0)
53 #define	OMAP4430_REV_ES2_0	OMAP_MAKEREV(OMAP4430_DEV, 2, 0, 0)
54 #define	OMAP4430_REV_ES2_1	OMAP_MAKEREV(OMAP4430_DEV, 2, 1, 0)
55 #define	OMAP4430_REV_ES2_2	OMAP_MAKEREV(OMAP4430_DEV, 2, 2, 0)
56 #define	OMAP4430_REV_ES2_3	OMAP_MAKEREV(OMAP4430_DEV, 2, 3, 0)
57 #define	OMAP4430_REV_UNKNOWN	OMAP_MAKEREV(OMAP4430_DEV, 9, 9, 9)
58 
59 #define	OMAP4460_DEV		0x4460
60 #define	OMAP4460_REV_ES1_0	OMAP_MAKEREV(OMAP4460_DEV, 1, 0, 0)
61 #define	OMAP4460_REV_ES1_1	OMAP_MAKEREV(OMAP4460_DEV, 1, 1, 0)
62 #define	OMAP4460_REV_UNKNOWN	OMAP_MAKEREV(OMAP4460_DEV, 9, 9, 9)
63 
64 #define	OMAP4470_DEV		0x4470
65 #define	OMAP4470_REV_ES1_0	OMAP_MAKEREV(OMAP4470_DEV, 1, 0, 0)
66 #define	OMAP4470_REV_UNKNOWN	OMAP_MAKEREV(OMAP4470_DEV, 9, 9, 9)
67 
68 #define	OMAP_UNKNOWN_DEV	OMAP_MAKEREV(0x9999, 9, 9, 9)
69 
70 #define	AM335X_DEVREV(x)	((x) >> 28)
71 
72 #define	CHIP_OMAP_4	0
73 #define	CHIP_AM335X	1
74 
75 extern int _ti_chip;
76 
77 static __inline int ti_chip(void)
78 {
79 	KASSERT(_ti_chip != -1, ("Can't determine TI Chip"));
80 	return _ti_chip;
81 }
82 
83 uint32_t ti_revision(void);
84 
85 static __inline bool ti_soc_is_supported(void)
86 {
87 
88 	return (_ti_chip != -1);
89 }
90 
91 #endif  /* _TI_CPUID_H_ */
92