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/at91/at91var.h

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    1 /*-
    2  * Copyright (c) 2005 Olivier Houchard.  All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  */
   25 
   26 /* $FreeBSD$ */
   27 
   28 #ifndef _AT91VAR_H_
   29 #define _AT91VAR_H_
   30 
   31 #include <sys/bus.h>
   32 #include <sys/rman.h>
   33 
   34 #include <arm/at91/at91reg.h>
   35 
   36 struct at91_softc {
   37         device_t dev;
   38         bus_space_tag_t sc_st;
   39         bus_space_handle_t sc_sh;
   40         bus_space_handle_t sc_aic_sh;
   41         struct rman sc_irq_rman;
   42         struct rman sc_mem_rman;
   43         uint32_t sc_irq_system;
   44 };
   45 
   46 struct at91_ivar {
   47         struct resource_list resources;
   48 };
   49 
   50 struct cpu_devs
   51 {
   52         const char *name;
   53         int unit;
   54         bus_addr_t mem_base;
   55         bus_size_t mem_len;
   56         int irq0;
   57         int irq1;
   58         int irq2;
   59         const char *parent_clk;
   60 };
   61 
   62 extern uint32_t at91_chip_id;
   63 
   64 static inline int at91_is_rm92(void);
   65 static inline int at91_is_sam9(void);
   66 static inline int at91_is_sam9xe(void);
   67 static inline int at91_cpu_is(u_int cpu);
   68 
   69 static inline int
   70 at91_is_rm92(void)
   71 {
   72 
   73         return (AT91_ARCH(at91_chip_id) == AT91_ARCH_RM92);
   74 }
   75 
   76 static inline int
   77 at91_is_sam9(void)
   78 {
   79 
   80         return (AT91_ARCH(at91_chip_id) == AT91_ARCH_SAM9);
   81 }
   82 
   83 static inline int
   84 at91_is_sam9xe(void)
   85 {
   86 
   87         return (AT91_ARCH(at91_chip_id) == AT91_ARCH_SAM9XE);
   88 }
   89 
   90 static inline int
   91 at91_cpu_is(u_int cpu)
   92 {
   93 
   94         return (AT91_CPU(at91_chip_id) == cpu);
   95 }
   96 
   97 extern uint32_t at91_irq_system;
   98 extern uint32_t at91_master_clock;
   99 
  100 #endif /* _AT91VAR_H_ */

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