sys/arch/algor/algor/autoconf.c

   1 /*      $NetBSD: autoconf.c,v 1.16 2007/02/22 04:49:02 thorpej Exp $    */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.16 2007/02/22 04:49:02 thorpej Exp $");
  34
  35 #include "opt_algor_p4032.h"
  36 #include "opt_algor_p5064.h"
  37 #include "opt_algor_p6032.h"
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/conf.h>
  42 #include <sys/reboot.h>
  43 #include <sys/device.h>
  44
  45 #include <dev/pci/pcivar.h>
  46
  47 #include <net/if.h>
  48 #include <net/if_ether.h>
  49
  50 #include <machine/bus.h>
  51 #include <machine/autoconf.h>
  52 #include <machine/intr.h>
  53
  54 #ifdef ALGOR_P4032
  55 #include <algor/algor/algor_p4032var.h>
  56 #endif
  57
  58 void
  59 cpu_configure(void)
  60 {
  61
  62         intr_init();
  63
  64         (void) splhigh();
  65         if (config_rootfound("mainbus", NULL) == 0)
  66                 panic("no mainbus found");
  67
  68         /*
  69          * Hardware interrupts will be enabled in
  70          * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
  71          * to avoid hardclock(9) by CPU INT5 before softclockintr is
  72          * initialized in initclocks().
  73          */
  74 }
  75
  76 void
  77 cpu_rootconf(void)
  78 {
  79
  80         setroot(booted_device, booted_partition);
  81 }
  82
  83 #if defined(ALGOR_P4032)
  84 #define BUILTIN_ETHERNET_P(pa)                                          \
  85         ((pa)->pa_bus == 0 && (pa)->pa_device == 5 && (pa)->pa_function == 0)
  86 #elif defined(ALGOR_P5064)
  87 #define BUILTIN_ETHERNET_P(pa)                                          \
  88         ((pa)->pa_bus == 0 && (pa)->pa_device == 0 && (pa)->pa_function == 0)
  89 #elif defined(ALGOR_P6032)
  90 #define BUILTIN_ETHERNET_P(pa)                                          \
  91         ((pa)->pa_bus == 0 && (pa)->pa_device == 16 && (pa)->pa_function == 0)
  92 #else
  93 #define BUILTIN_ETHERNET_P(pa)  0
  94 #endif
  95
  96 void
  97 device_register(struct device *dev, void *aux)
  98 {
  99         struct device *pdev;
 100
 101         /*
 102          * We don't ever know the boot device.  But that's because the
 103          * firmware only loads from the network or the parallel port.
 104          */
 105
 106         /*
 107          * Fetch the MAC address for the built-in Ethernet (we grab it
 108          * from PMON earlier in the boot process).
 109          */
 110         if ((pdev = device_parent(dev)) != NULL && device_is_a(pdev, "pci")) {
 111                 struct pci_attach_args *pa = aux;
 112
 113                 if (BUILTIN_ETHERNET_P(pa)) {
 114                         prop_data_t pd = prop_data_create_data_nocopy(
 115                             algor_ethaddr, ETHER_ADDR_LEN);
 116                         KASSERT(pd != NULL);
 117                         if (prop_dictionary_set(device_properties(dev),
 118                                                 "mac-addr", pd) == false) {
 119                                 printf("WARNING: unable to set mac-addr "
 120                                     "property for %s\n", dev->dv_xname);
 121                         }
 122                         prop_object_release(pd);
 123 #if defined(ALGOR_P4032)
 124                         /*
 125                          * XXX This is gross, disgusting, and otherwise vile,
 126                          * XXX but V962 rev. < B2 have broken DMA FIFOs.  Give
 127                          * XXX the on-board Ethernet a different DMA window
 128                          * XXX that has pre-fetching disabled so that Ethernet
 129                          * XXX performance doesn't completely suck.
 130                          */
 131                         pa->pa_dmat = &p4032_configuration.ac_pci_pf_dmat;
 132                         pa->pa_dmat64 = NULL;
 133 #endif /* ALGOR_P4032 */
 134                 }
 135         }
 136 }