freebsd-skq/sys/arm/ti/ti_cpuid.h
gonzo 8ebd91847c Merging of projects/armv6, part 10
- Support for Texas Instruments SoCs:
	- AM335x
	- OMAP4

- Kernel configs, DTS for Beaglebone and Pandaboard

Submitted by:	Ben Gray, Damjan Marion
2012-08-15 06:31:32 +00:00

78 lines
2.9 KiB
C

/*-
* Copyright (c) 2011
* Ben Gray <ben.r.gray@gmail.com>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _TI_CPUID_H_
#define _TI_CPUID_H_
#define OMAP_MAKEREV(d, a, b, c) \
(uint32_t)(((d) << 16) | (((a) & 0xf) << 8) | (((b) & 0xf) << 4) | ((c) & 0xf))
#define OMAP_REV_DEVICE(x) (((x) >> 16) & 0xffff)
#define OMAP_REV_MAJOR(x) (((x) >> 8) & 0xf)
#define OMAP_REV_MINOR(x) (((x) >> 4) & 0xf)
#define OMAP_REV_MINOR_MINOR(x) (((x) >> 0) & 0xf)
#define OMAP3350_DEV 0x3530
#define OMAP3350_REV_ES1_0 OMAP_MAKEREV(OMAP3350_DEV, 1, 0, 0)
#define OMAP3530_REV_ES2_0 OMAP_MAKEREV(OMAP3350_DEV, 2, 0, 0)
#define OMAP3530_REV_ES2_1 OMAP_MAKEREV(OMAP3350_DEV, 2, 1, 0)
#define OMAP3530_REV_ES3_0 OMAP_MAKEREV(OMAP3350_DEV, 3, 0, 0)
#define OMAP3530_REV_ES3_1 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 0)
#define OMAP3530_REV_ES3_1_2 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 2)
#define OMAP4430_DEV 0x4430
#define OMAP4430_REV_ES1_0 OMAP_MAKEREV(OMAP4430_DEV, 1, 0, 0)
#define OMAP4430_REV_ES2_0 OMAP_MAKEREV(OMAP4430_DEV, 2, 0, 0)
#define OMAP4430_REV_ES2_1 OMAP_MAKEREV(OMAP4430_DEV, 2, 1, 0)
#define OMAP4430_REV_ES2_2 OMAP_MAKEREV(OMAP4430_DEV, 2, 2, 0)
#define OMAP4430_REV_ES2_3 OMAP_MAKEREV(OMAP4430_DEV, 2, 3, 0)
#define AM335X_DEVREV(x) ((x) >> 28)
#define CHIP_OMAP_3 0
#define CHIP_OMAP_4 1
#define CHIP_AM335X 2
static __inline int ti_chip(void)
{
#if defined(SOC_OMAP4)
return CHIP_OMAP_4;
#elif defined(SOC_OMAP3)
return CHIP_OMAP_3;
#elif defined(SOC_TI_AM335X)
return CHIP_AM335X;
#else
# error Chip type not defined, ensure SOC_xxxx is defined
#endif
}
uint32_t ti_revision(void);
#endif /* _TI_CPUID_H_ */