69d14913fc
"probe" method of those drivers to mean we're on e TI SoC. Introduce a new function, ti_soc_is_supported(), and use it to be sure we're really a TI system. PR: 222250
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
/*-
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* Copyright (c) 2011
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* Ben Gray <ben.r.gray@gmail.com>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _TI_CPUID_H_
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#define _TI_CPUID_H_
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#define OMAP_MAKEREV(d, a, b, c) \
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(uint32_t)(((d) << 16) | (((a) & 0xf) << 8) | (((b) & 0xf) << 4) | ((c) & 0xf))
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#define OMAP_REV_DEVICE(x) (((x) >> 16) & 0xffff)
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#define OMAP_REV_MAJOR(x) (((x) >> 8) & 0xf)
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#define OMAP_REV_MINOR(x) (((x) >> 4) & 0xf)
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#define OMAP_REV_MINOR_MINOR(x) (((x) >> 0) & 0xf)
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#define OMAP3350_DEV 0x3530
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#define OMAP3350_REV_ES1_0 OMAP_MAKEREV(OMAP3350_DEV, 1, 0, 0)
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#define OMAP3530_REV_ES2_0 OMAP_MAKEREV(OMAP3350_DEV, 2, 0, 0)
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#define OMAP3530_REV_ES2_1 OMAP_MAKEREV(OMAP3350_DEV, 2, 1, 0)
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#define OMAP3530_REV_ES3_0 OMAP_MAKEREV(OMAP3350_DEV, 3, 0, 0)
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#define OMAP3530_REV_ES3_1 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 0)
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#define OMAP3530_REV_ES3_1_2 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 2)
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#define OMAP4430_DEV 0x4430
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#define OMAP4430_REV_ES1_0 OMAP_MAKEREV(OMAP4430_DEV, 1, 0, 0)
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#define OMAP4430_REV_ES2_0 OMAP_MAKEREV(OMAP4430_DEV, 2, 0, 0)
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#define OMAP4430_REV_ES2_1 OMAP_MAKEREV(OMAP4430_DEV, 2, 1, 0)
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#define OMAP4430_REV_ES2_2 OMAP_MAKEREV(OMAP4430_DEV, 2, 2, 0)
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#define OMAP4430_REV_ES2_3 OMAP_MAKEREV(OMAP4430_DEV, 2, 3, 0)
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#define OMAP4430_REV_UNKNOWN OMAP_MAKEREV(OMAP4430_DEV, 9, 9, 9)
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#define OMAP4460_DEV 0x4460
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#define OMAP4460_REV_ES1_0 OMAP_MAKEREV(OMAP4460_DEV, 1, 0, 0)
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#define OMAP4460_REV_ES1_1 OMAP_MAKEREV(OMAP4460_DEV, 1, 1, 0)
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#define OMAP4460_REV_UNKNOWN OMAP_MAKEREV(OMAP4460_DEV, 9, 9, 9)
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#define OMAP4470_DEV 0x4470
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#define OMAP4470_REV_ES1_0 OMAP_MAKEREV(OMAP4470_DEV, 1, 0, 0)
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#define OMAP4470_REV_UNKNOWN OMAP_MAKEREV(OMAP4470_DEV, 9, 9, 9)
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#define OMAP_UNKNOWN_DEV OMAP_MAKEREV(0x9999, 9, 9, 9)
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#define AM335X_DEVREV(x) ((x) >> 28)
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#define CHIP_OMAP_4 0
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#define CHIP_AM335X 1
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extern int _ti_chip;
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static __inline int ti_chip(void)
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{
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KASSERT(_ti_chip != -1, ("Can't determine TI Chip"));
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return _ti_chip;
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}
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uint32_t ti_revision(void);
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static __inline bool ti_soc_is_supported(void)
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{
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return (_ti_chip != -1);
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}
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#endif /* _TI_CPUID_H_ */
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