vf_common.c

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    1 /*-
    2  * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
    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 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/10.3/sys/arm/freescale/vybrid/vf_common.c 258057 2013-11-12 18:02:56Z br $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/bus.h>
   33 #include <sys/kernel.h>
   34 
   35 #include <dev/fdt/fdt_common.h>
   36 #include <dev/ofw/openfirm.h>
   37 
   38 #include <machine/bus.h>
   39 #include <machine/fdt.h>
   40 
   41 #include <arm/freescale/vybrid/vf_src.h>
   42 
   43 void
   44 cpu_reset(void)
   45 {
   46         phandle_t src;
   47         uint32_t addr, paddr;
   48         bus_addr_t vaddr;
   49 
   50         if (src_swreset() == 0)
   51                 goto end;
   52 
   53         src = OF_finddevice("src");
   54         if ((src != 0) && (OF_getprop(src, "reg", &paddr, sizeof(paddr))) > 0) {
   55                 addr = fdt32_to_cpu(paddr);
   56                 if (bus_space_map(fdtbus_bs_tag, addr, 0x10, 0, &vaddr) == 0) {
   57                         bus_space_write_4(fdtbus_bs_tag, vaddr, 0x00, SW_RST);
   58                 }
   59         }
   60 
   61 end:
   62         while (1);
   63 }
   64 
   65 struct fdt_fixup_entry fdt_fixup_table[] = {
   66         { NULL, NULL }
   67 };
   68 
   69 static int
   70 fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
   71     int *pol)
   72 {
   73 
   74         if (!fdt_is_compatible(node, "arm,gic"))
   75                 return (ENXIO);
   76 
   77         *interrupt = fdt32_to_cpu(intr[0]);
   78         *trig = INTR_TRIGGER_CONFORM;
   79         *pol = INTR_POLARITY_CONFORM;
   80         return (0);
   81 }
   82 
   83 fdt_pic_decode_t fdt_pic_table[] = {
   84         &fdt_pic_decode_ic,
   85         NULL
   86 };

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FreeBSD/Linux Kernel Cross Reference sys/arm/freescale/vybrid/vf_common.c

FreeBSD/Linux Kernel Cross Reference
sys/arm/freescale/vybrid/vf_common.c