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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/arm/include/platformvar.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 2005 Peter Grehan
    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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/11.2/sys/arm/include/platformvar.h 331907 2018-04-03 06:06:39Z gonzo $
   27  */
   28 
   29 #ifndef _MACHINE_PLATFORMVAR_H_
   30 #define _MACHINE_PLATFORMVAR_H_
   31 
   32 /*
   33  * An ARM platform implementation is declared with a kernel object and
   34  * an associated method table, similar to a device driver.
   35  *
   36  * e.g.
   37  *
   38  * static platform_method_t bcm2835_methods[] = {
   39  *      PLATFORMMETHOD(platform_probe,          bcm2835_probe),
   40  *  ...
   41  *      PLATFORMMETHOD_END
   42  * };
   43  *
   44  * static platform_def_t bcm3835_platform = {
   45  *      "bcm2835",
   46  *      bcm2835_methods,
   47  *      sizeof(bcm2835_platform_softc), // or 0 if no softc
   48  * };
   49  *
   50  * PLATFORM_DEF(bcm2835_platform);
   51  */
   52 
   53 #include <sys/kobj.h>
   54 #include <sys/linker_set.h>
   55 
   56 struct platform_class {
   57         KOBJ_CLASS_FIELDS;
   58 
   59         /* How many times to loop to delay approximately 1us */
   60         int delay_count;
   61 };
   62 
   63 struct platform_kobj {
   64         /*
   65          * A platform instance is a kernel object
   66          */
   67         KOBJ_FIELDS;
   68 
   69         /* Platform class, for access to class specific data */
   70         struct platform_class *cls;
   71 };
   72 
   73 struct platform_data {
   74         int delay_count;
   75 };
   76 
   77 typedef struct platform_kobj    *platform_t;
   78 typedef struct platform_class   platform_def_t;
   79 #define platform_method_t       kobj_method_t
   80 
   81 #define PLATFORMMETHOD          KOBJMETHOD
   82 #define PLATFORMMETHOD_END      KOBJMETHOD_END
   83 
   84 #define PLATFORM_DEF(name)      DATA_SET(platform_set, name)
   85 
   86 #ifdef FDT
   87 struct fdt_platform_class {
   88         KOBJ_CLASS_FIELDS;
   89 
   90         const char *fdt_compatible;
   91 };
   92 
   93 typedef struct fdt_platform_class fdt_platform_def_t;
   94 
   95 extern platform_method_t fdt_platform_methods[];
   96 
   97 #ifdef MULTIDELAY
   98 #define FDT_PLATFORM_CTASSERT(delay)    CTASSERT(delay > 0)
   99 #else
  100 #define FDT_PLATFORM_CTASSERT(delay)
  101 #endif
  102 
  103 #define PLATFORM_DATA(NAME, delay)                                      \
  104 static struct platform_data NAME ## _platc = {                          \
  105         .delay_count = delay;                                           \
  106 };
  107 
  108 #define FDT_PLATFORM_DEF2(NAME, VAR_NAME, NAME_STR, size, compatible,   \
  109     delay)                                                              \
  110 FDT_PLATFORM_CTASSERT(delay);                                           \
  111 static fdt_platform_def_t VAR_NAME ## _fdt_platform = {                 \
  112         .name = NAME_STR,                                               \
  113         .methods = fdt_platform_methods,                                \
  114         .fdt_compatible = compatible,                                   \
  115 };                                                                      \
  116 static kobj_class_t VAR_NAME ## _baseclasses[] =                        \
  117         { (kobj_class_t)&VAR_NAME ## _fdt_platform, NULL };             \
  118 static platform_def_t VAR_NAME ## _platform = {                         \
  119         NAME_STR,                                                       \
  120         NAME ## _methods,                                               \
  121         size,                                                           \
  122         VAR_NAME ## _baseclasses,                                       \
  123         delay,                                                          \
  124 };                                                                      \
  125 DATA_SET(platform_set, VAR_NAME ## _platform)
  126 
  127 #define FDT_PLATFORM_DEF(NAME, NAME_STR, size, compatible, delay)       \
  128     FDT_PLATFORM_DEF2(NAME, NAME, NAME_STR, size, compatible, delay)
  129 
  130 #endif
  131 
  132 bool arm_tmr_timed_wait(platform_t, int);
  133 
  134 #endif /* _MACHINE_PLATFORMVAR_H_ */

Cache object: ea4a00ea2b635a0a3821cb6ef4f9d4ac


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.