1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
30#ifndef _TI_CPUID_H_
31#define	_TI_CPUID_H_
32
33#define	OMAP_MAKEREV(d, a, b, c) \
34	(uint32_t)(((d) << 16) | (((a) & 0xf) << 8) | (((b) & 0xf) << 4) | ((c) & 0xf))
35
36#define	OMAP_REV_DEVICE(x)	(((x) >> 16) & 0xffff)
37#define	OMAP_REV_MAJOR(x)	(((x) >> 8) & 0xf)
38#define	OMAP_REV_MINOR(x)	(((x) >> 4) & 0xf)
39#define	OMAP_REV_MINOR_MINOR(x)	(((x) >> 0) & 0xf)
40
41#define	OMAP3350_DEV		0x3530
42#define	OMAP3350_REV_ES1_0	OMAP_MAKEREV(OMAP3350_DEV, 1, 0, 0)
43#define	OMAP3530_REV_ES2_0	OMAP_MAKEREV(OMAP3350_DEV, 2, 0, 0)
44#define	OMAP3530_REV_ES2_1	OMAP_MAKEREV(OMAP3350_DEV, 2, 1, 0)
45#define	OMAP3530_REV_ES3_0	OMAP_MAKEREV(OMAP3350_DEV, 3, 0, 0)
46#define	OMAP3530_REV_ES3_1	OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 0)
47#define	OMAP3530_REV_ES3_1_2	OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 2)
48
49#define	OMAP4430_DEV		0x4430
50#define	OMAP4430_REV_ES1_0	OMAP_MAKEREV(OMAP4430_DEV, 1, 0, 0)
51#define	OMAP4430_REV_ES2_0	OMAP_MAKEREV(OMAP4430_DEV, 2, 0, 0)
52#define	OMAP4430_REV_ES2_1	OMAP_MAKEREV(OMAP4430_DEV, 2, 1, 0)
53#define	OMAP4430_REV_ES2_2	OMAP_MAKEREV(OMAP4430_DEV, 2, 2, 0)
54#define	OMAP4430_REV_ES2_3	OMAP_MAKEREV(OMAP4430_DEV, 2, 3, 0)
55#define	OMAP4430_REV_UNKNOWN	OMAP_MAKEREV(OMAP4430_DEV, 9, 9, 9)
56
57#define	OMAP4460_DEV		0x4460
58#define	OMAP4460_REV_ES1_0	OMAP_MAKEREV(OMAP4460_DEV, 1, 0, 0)
59#define	OMAP4460_REV_ES1_1	OMAP_MAKEREV(OMAP4460_DEV, 1, 1, 0)
60#define	OMAP4460_REV_UNKNOWN	OMAP_MAKEREV(OMAP4460_DEV, 9, 9, 9)
61
62#define	OMAP4470_DEV		0x4470
63#define	OMAP4470_REV_ES1_0	OMAP_MAKEREV(OMAP4470_DEV, 1, 0, 0)
64#define	OMAP4470_REV_UNKNOWN	OMAP_MAKEREV(OMAP4470_DEV, 9, 9, 9)
65
66#define	OMAP_UNKNOWN_DEV	OMAP_MAKEREV(0x9999, 9, 9, 9)
67
68#define	AM335X_DEVREV(x)	((x) >> 28)
69
70#define	CHIP_OMAP_4	0
71#define	CHIP_AM335X	1
72
73extern int _ti_chip;
74
75static __inline int ti_chip(void)
76{
77	KASSERT(_ti_chip != -1, ("Can't determine TI Chip"));
78	return _ti_chip;
79}
80
81uint32_t ti_revision(void);
82
83static __inline bool ti_soc_is_supported(void)
84{
85
86	return (_ti_chip != -1);
87}
88
89#endif  /* _TI_CPUID_H_ */
90