The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/versatile/versatile_scm.h

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    1 /*
    2  * Copyright (c) 2017 Oleksandr Tymoshenko <gonzo@freebsd.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by Ben Gray.
   16  * 4. The name of the company nor the name of the author may be used to
   17  *    endorse or promote products derived from this software without specific
   18  *    prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``AS IS'' AND ANY EXPRESS OR
   21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   23  * IN NO EVENT SHALL BEN GRAY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   30  *
   31  * $FreeBSD: releng/12.0/sys/arm/versatile/versatile_scm.h 316370 2017-04-01 20:10:08Z gonzo $
   32  */
   33 
   34 #ifndef _VERSATILE_SCM_H_
   35 #define _VERSATILE_SCM_H_
   36 
   37 #define SCM_PCICTL              0x44
   38 #define SCM_CLCD                0x50
   39 #define  SCM_CLCD_CLCDID_SHIFT          0x08
   40 #define  SCM_CLCD_CLCDID_MASK           0x1f
   41 #define  SCM_CLCD_PWR3V5VSWITCH         (1 << 4)
   42 #define  SCM_CLCD_VDDPOSSWITCH          (1 << 3)
   43 #define  SCM_CLCD_NLCDIOON              (1 << 2)
   44 #define  SCM_CLCD_LCD_MODE_MASK         0x03
   45 
   46 int versatile_scm_reg_read_4(uint32_t reg, uint32_t *val);
   47 int versatile_scm_reg_write_4(uint32_t reg, uint32_t val);
   48 
   49 #endif /* _VERSATILE_SCM_H_ */

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