sys/arch/evbppc/pmppc/mainbus.c

   1 /*      $NetBSD: mainbus.c,v 1.2 2007/10/17 19:54:18 garbled Exp $      */
   2
   3 /*
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp.
   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: mainbus.c,v 1.2 2007/10/17 19:54:18 garbled Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/device.h>
  37 #include <sys/systm.h>
  38
  39 #include <machine/bus.h>
  40 #include <machine/pmppc.h>
  41 #include <arch/evbppc/pmppc/dev/mainbus.h>
  42
  43 #include <dev/ic/cpc700reg.h>
  44
  45 #include "locators.h"
  46 #include "mainbus.h"
  47
  48 #if NCPU == 0
  49 #error  A cpu device is now required
  50 #endif
  51
  52 int     mainbus_match(struct device *, struct cfdata *, void *);
  53 void    mainbus_attach(struct device *, struct device *, void *);
  54
  55 CFATTACH_DECL(mainbus, sizeof(struct device),
  56     mainbus_match, mainbus_attach, NULL, NULL);
  57
  58 static int mainbus_print(void *, const char *);
  59
  60 /*
  61  * Probe for the mainbus; always succeeds.
  62  */
  63 int
  64 mainbus_match(struct device *parent, struct cfdata *match, void *aux)
  65 {
  66
  67         return 1;
  68 }
  69
  70 static int
  71 mainbus_submatch(struct device *parent, struct cfdata *cf,
  72                  const int *ldesc, void *aux)
  73 {
  74         struct mainbus_attach_args *maa = aux;
  75
  76         if (cf->cf_loc[MAINBUSCF_ADDR] != maa->mb_addr)
  77                 return (0);
  78
  79         return (config_match(parent, cf, aux));
  80 }
  81
  82 static int
  83 mainbus_print(void *aux, const char *pnp)
  84 {
  85         struct mainbus_attach_args *mba = aux;
  86
  87         if (pnp)
  88                 aprint_normal("%s at %s", mba->mb_name, pnp);
  89         if (mba->mb_addr != MAINBUSCF_ADDR_DEFAULT)
  90                 aprint_normal(" addr 0x%08lx", mba->mb_addr);
  91         if (mba->mb_irq != MAINBUSCF_IRQ_DEFAULT)
  92                 aprint_normal(" irq %d", mba->mb_irq);
  93         return (UNCONF);
  94 }
  95
  96 /*
  97  * Attach the mainbus.
  98  */
  99 void
 100 mainbus_attach(struct device *parent, struct device *self, void *aux)
 101 {
 102         struct mainbus_attach_args maa;
 103
 104         printf(": Artesyn PM/PPC\n");
 105         printf("%s: %sPCI bus Monarch\n", self->dv_xname,
 106                a_config.a_is_monarch ? "" : "not");
 107         printf("%s: boot from %s, %sECC, %s L2 cache\n",
 108                self->dv_xname,
 109                a_config.a_boot_device == A_BOOT_ROM ? "ROM" : "flash",
 110                a_config.a_has_ecc ? "" : "no ",
 111                a_config.a_l2_cache == A_CACHE_PARITY ? "parity" :
 112                a_config.a_l2_cache == A_CACHE_NO_PARITY ? "no-parity" : "no");
 113
 114         maa.mb_bt = &pmppc_mem_tag;
 115
 116         maa.mb_name = "cpu";
 117         maa.mb_addr = MAINBUSCF_ADDR_DEFAULT;
 118         maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
 119         config_found(self, &maa, mainbus_print);
 120
 121         if (a_config.a_has_rtc) {
 122                 maa.mb_name = "rtc";
 123                 maa.mb_addr = PMPPC_RTC;
 124                 maa.mb_irq = PMPPC_I_RTC_INT;
 125                 config_found_sm_loc(self, "mainbus", NULL, &maa, mainbus_print,
 126                                     mainbus_submatch);
 127         }
 128
 129         if (a_config.a_has_eth) {
 130                 maa.mb_name = "cs";
 131                 maa.mb_addr = PMPPC_CS_IO_BASE;
 132                 maa.mb_irq = PMPPC_I_ETH_INT;
 133                 config_found_sm_loc(self, "mainbus", NULL, &maa, mainbus_print,
 134                                     mainbus_submatch);
 135                 maa.mb_bt = &pmppc_mem_tag;
 136         }
 137         if (a_config.a_flash_width != 0) {
 138                 maa.mb_name = "flash";
 139                 maa.mb_addr = PMPPC_FLASH_BASE;
 140                 maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
 141                 maa.u.mb_flash.size = a_config.a_flash_size;
 142                 maa.u.mb_flash.width = a_config.a_flash_width;
 143                 config_found_sm_loc(self, "mainbus", NULL, &maa, mainbus_print,
 144                                     mainbus_submatch);
 145         }
 146
 147         maa.mb_name = "cpc";
 148         maa.mb_addr = MAINBUSCF_ADDR_DEFAULT;
 149         maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
 150         config_found(self, &maa, mainbus_print);
 151 }
 152
 153 static int      cpu_match(struct device *, struct cfdata *, void *);
 154 static void     cpu_attach(struct device *, struct device *, void *);
 155
 156 CFATTACH_DECL(cpu, sizeof(struct device),
 157     cpu_match, cpu_attach, NULL, NULL);
 158
 159 extern struct cfdriver cpu_cd;
 160
 161 int
 162 cpu_match(struct device *parent, struct cfdata *cf, void *aux)
 163 {
 164         struct mainbus_attach_args *maa = aux;
 165
 166         if (strcmp(maa->mb_name, cpu_cd.cd_name) != 0)
 167                 return 0;
 168
 169         if (cpu_info[0].ci_dev != NULL)
 170                 return 0;
 171
 172         return 1;
 173 }
 174
 175 void
 176 cpu_attach(struct device *parent, struct device *self, void *aux)
 177 {
 178         (void) cpu_attach_common(self, 0);
 179 }