xref: /freebsd/sys/arm/ti/ti_cpuid.h (revision 145992504973bd16cf3518af9ba5ce185fefa82a)
1 /*-
2  * Copyright (c) 2011
3  *	Ben Gray <ben.r.gray@gmail.com>.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
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 
56 #define AM335X_DEVREV(x)	((x) >> 28)
57 
58 #define CHIP_OMAP_3	0
59 #define CHIP_OMAP_4	1
60 #define CHIP_AM335X	2
61 
62 static __inline int ti_chip(void)
63 {
64 #if defined(SOC_OMAP4)
65 	return CHIP_OMAP_4;
66 #elif defined(SOC_OMAP3)
67 	return CHIP_OMAP_3;
68 #elif defined(SOC_TI_AM335X)
69 	return CHIP_AM335X;
70 #else
71 #  error Chip type not defined, ensure SOC_xxxx is defined
72 #endif
73 }
74 
75 uint32_t ti_revision(void);
76 
77 #endif  /* _TI_CPUID_H_ */
78