/*      $NetBSD: mainbus.c,v 1.8 2021/08/07 16:18:52 thorpej Exp $      */

/*
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson ([email protected]) at Sandburst Corp.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.8 2021/08/07 16:18:52 thorpej Exp $");

#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>

#include <sys/bus.h>
#include <machine/pmppc.h>
#include <arch/evbppc/pmppc/dev/mainbus.h>

#include <dev/ic/cpc700reg.h>

#include "locators.h"
#include "mainbus.h"

#if NCPU == 0
#error  A cpu device is now required
#endif

int     mainbus_match(device_t, cfdata_t, void *);
void    mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(mainbus, 0,
   mainbus_match, mainbus_attach, NULL, NULL);

static int mainbus_print(void *, const char *);

/*
* Probe for the mainbus; always succeeds.
*/
int
mainbus_match(device_t parent, cfdata_t match, void *aux)
{

       return 1;
}

static int
mainbus_submatch(device_t parent, cfdata_t cf,
                const int *ldesc, void *aux)
{
       struct mainbus_attach_args *maa = aux;

       if (cf->cf_loc[MAINBUSCF_ADDR] != maa->mb_addr)
               return (0);

       return (config_match(parent, cf, aux));
}

static int
mainbus_print(void *aux, const char *pnp)
{
       struct mainbus_attach_args *mba = aux;

       if (pnp)
               aprint_normal("%s at %s", mba->mb_name, pnp);
       if (mba->mb_addr != MAINBUSCF_ADDR_DEFAULT)
               aprint_normal(" addr 0x%08lx", mba->mb_addr);
       if (mba->mb_irq != MAINBUSCF_IRQ_DEFAULT)
               aprint_normal(" irq %d", mba->mb_irq);
       return (UNCONF);
}

/*
* Attach the mainbus.
*/
void
mainbus_attach(device_t parent, device_t self, void *aux)
{
       struct mainbus_attach_args maa;

       aprint_normal(": Artesyn PM/PPC\n");
       aprint_normal_dev(self, "%sPCI bus Monarch\n",
              a_config.a_is_monarch ? "" : "not");
       aprint_normal_dev(self, "boot from %s, %sECC, %s L2 cache\n",
              a_config.a_boot_device == A_BOOT_ROM ? "ROM" : "flash",
              a_config.a_has_ecc ? "" : "no ",
              a_config.a_l2_cache == A_CACHE_PARITY ? "parity" :
              a_config.a_l2_cache == A_CACHE_NO_PARITY ? "no-parity" : "no");

       maa.mb_bt = &pmppc_mem_tag;

       maa.mb_name = "cpu";
       maa.mb_addr = MAINBUSCF_ADDR_DEFAULT;
       maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
       config_found(self, &maa, mainbus_print, CFARGS_NONE);

       if (a_config.a_has_rtc) {
               maa.mb_name = "rtc";
               maa.mb_addr = PMPPC_RTC;
               maa.mb_irq = PMPPC_I_RTC_INT;
               config_found(self, &maa, mainbus_print,
                   CFARGS(.submatch = mainbus_submatch));
       }

       if (a_config.a_has_eth) {
               maa.mb_name = "cs";
               maa.mb_addr = PMPPC_CS_IO_BASE;
               maa.mb_irq = PMPPC_I_ETH_INT;
               config_found(self, &maa, mainbus_print,
                   CFARGS(.submatch = mainbus_submatch));
               maa.mb_bt = &pmppc_mem_tag;
       }
       if (a_config.a_flash_width != 0) {
               maa.mb_name = "flash";
               maa.mb_addr = PMPPC_FLASH_BASE;
               maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
               maa.u.mb_flash.size = a_config.a_flash_size;
               maa.u.mb_flash.width = a_config.a_flash_width;
               config_found(self, &maa, mainbus_print,
                   CFARGS(.submatch = mainbus_submatch));
       }

       maa.mb_name = "cpc";
       maa.mb_addr = MAINBUSCF_ADDR_DEFAULT;
       maa.mb_irq = MAINBUSCF_IRQ_DEFAULT;
       config_found(self, &maa, mainbus_print, CFARGS_NONE);
}

static int      cpu_match(device_t, cfdata_t, void *);
static void     cpu_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(cpu, 0,
   cpu_match, cpu_attach, NULL, NULL);

extern struct cfdriver cpu_cd;

int
cpu_match(device_t parent, cfdata_t cf, void *aux)
{
       struct mainbus_attach_args *maa = aux;

       if (strcmp(maa->mb_name, cpu_cd.cd_name) != 0)
               return 0;

       if (cpu_info[0].ci_dev != NULL)
               return 0;

       return 1;
}

void
cpu_attach(device_t parent, device_t self, void *aux)
{
       (void) cpu_attach_common(self, 0);
}

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