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/* $NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code was written by Alessandro Forin and Neil Pittman
* at Microsoft Research and contributed to The NetBSD Foundation
* by Microsoft Corporation.
*
* 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> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/sysconf.h>
#include <emips/ebus/ebusvar.h>
#include <emips/emips/machdep.h>
#include "locators.h"
void
ebusattach(device_t parent, device_t self, void *aux)
{
struct ebus_dev_attach_args *ida = aux;
struct ebus_attach_args *ia;
void *addr;
int i;
int locs[EBUSCF_NLOCS];
printf("\n");
/*
* Loop through the devices and attach them. If a probe-size
* is specified, it's an optional item on the platform and
* do a badaddr() test to make sure it's there.
*/
for (i = 0; i < ida->ida_ndevs; i++) {
ia = &ida->ida_devs[i];
#if 0 // DEBUG
printf("PROBING %s %d@%x i=%d\n",
ia->ia_name, ia->ia_basz, ia->ia_paddr, ia->ia_cookie);
#endif
if (ia->ia_basz != 0) {
addr = (void *)mips_map_physmem(ia->ia_paddr,
ia->ia_basz);
if (addr == NULL) {
printf("Failed to map %s: phys %x size %d\n",
ia->ia_name, ia->ia_paddr, ia->ia_basz);
continue;
}
ia->ia_vaddr = addr;
#if 0 // DEBUG
printf("MAPPED at %p\n", ia->ia_vaddr);
#endif
}
locs[EBUSCF_ADDR] = ia->ia_paddr;
if (config_found(self, ia, ebusprint,
CFARGS(.submatch = config_stdsubmatch,
.locators = locs)) == NULL) {
/* do we need to say anything? */
if (ia->ia_basz != 0) {
mips_unmap_physmem((vaddr_t)ia->ia_vaddr,
ia->ia_basz);
}
}
}
}
int
ebusprint(void *aux, const char *pnp)
{
struct ebus_attach_args *ia = aux;
if (pnp)
aprint_normal("%s at %s", ia->ia_name, pnp);
aprint_normal(" addr 0x%x", ia->ia_paddr);
return UNCONF;
}
void
ebus_intr_establish(device_t dev, void *cookie, int level,
int (*handler)(void *, void *), void *arg)
{
(*platform.intr_establish)(dev, cookie, level, handler, arg);
}
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