ti_cpuid.h revision 239281 
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: head/sys/arm/ti/ti_cpuid.h 239281 2012-08-15 06:31:32Z gonzo $
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
62static __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
75uint32_t ti_revision(void);
76
77#endif  /* _TI_CPUID_H_ */
78