FreeBSD/Linux Kernel Cross Reference
sys/arm/ti/ti_cpuid.h

     /*-
      * 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: releng/10.0/sys/arm/ti/ti_cpuid.h 245137 2013-01-07 23:30:53Z gonzo $
     */
    
    #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 OMAP4430_REV_UNKNOWN    OMAP_MAKEREV(OMAP4430_DEV, 9, 9, 9)
    
    #define OMAP4460_DEV            0x4460
    #define OMAP4460_REV_ES1_0      OMAP_MAKEREV(OMAP4460_DEV, 1, 0, 0)
    #define OMAP4460_REV_ES1_1      OMAP_MAKEREV(OMAP4460_DEV, 1, 1, 0)
    #define OMAP4460_REV_UNKNOWN    OMAP_MAKEREV(OMAP4460_DEV, 9, 9, 9)
    
    #define OMAP4470_DEV            0x4470
    #define OMAP4470_REV_ES1_0      OMAP_MAKEREV(OMAP4470_DEV, 1, 0, 0)
    #define OMAP4470_REV_UNKNOWN    OMAP_MAKEREV(OMAP4470_DEV, 9, 9, 9)
    
    #define OMAP_UNKNOWN_DEV        OMAP_MAKEREV(0x9999, 9, 9, 9)
    
    #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_ */

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