NetBSD-5.0.2/sys/arch/mips/alchemy/aubus.c
/* $NetBSD: aubus.c,v 1.18 2006/02/06 23:23:53 gdamore Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Portions written by Garrett D'Amore for Itronix Inc.
*
* 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.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``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 ITRONIX INC. 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.
*/
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: aubus.c,v 1.18 2006/02/06 23:23:53 gdamore Exp $");
#include "locators.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/extent.h>
#include <sys/malloc.h>
#define _MIPS_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <machine/locore.h>
#include <mips/alchemy/include/aureg.h>
#include <mips/alchemy/include/auvar.h>
#include <mips/alchemy/include/aubusvar.h>
static int aubus_match(struct device *, struct cfdata *, void *);
static void aubus_attach(struct device *, struct device *, void *);
static int aubus_print(void *, const char *);
static void aubus_alloc_dma_tag(struct device *, bus_dma_tag_t);
CFATTACH_DECL(aubus, sizeof(struct device),
aubus_match, aubus_attach, NULL, NULL);
bus_space_tag_t aubus_st; /* XXX */
struct mips_bus_dma_tag aubus_mdt;
/*
* Probe for the aubus; always succeeds.
*/
static int
aubus_match(struct device *parent, struct cfdata *match, void *aux)
{
return 1;
}
/*
* Attach the aubus.
*/
static void
aubus_attach(struct device *parent, struct device *self, void *aux)
{
struct aubus_attach_args aa;
struct device *sc = (struct device *)self;
struct au_chipdep *chip;
const struct au_dev *ad;
int locs[AUBUSCF_NLOCS];
printf("\n");
chip = au_chipdep();
KASSERT(chip != NULL);
for (ad = chip->devices; ad->name != NULL; ad++) {
aa.aa_name = ad->name;
aa.aa_st = aubus_st;
aa.aa_dt = &aubus_mdt;
aubus_alloc_dma_tag(sc, aa.aa_dt);
aa.aa_addrs[0] = ad->addr[0];
aa.aa_addrs[1] = ad->addr[1];
aa.aa_addrs[2] = ad->addr[2];
aa.aa_irq[0] = ad->irq[0];
aa.aa_irq[1] = ad->irq[1];
locs[AUBUSCF_ADDR] = ad->addr[0];
(void) config_found_sm_loc(self, "aubus", locs, &aa,
aubus_print, config_stdsubmatch);
}
}
static int
aubus_print(void *aux, const char *pnp)
{
struct aubus_attach_args *aa = aux;
if (pnp)
aprint_normal("%s at %s", aa->aa_name, pnp);
if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT)
aprint_normal(" addr 0x%lx", aa->aa_addr);
if (aa->aa_irq[0] >= 0)
aprint_normal(" irq %d", aa->aa_irq[0]);
if (aa->aa_irq[1] >= 0)
aprint_normal(",%d", aa->aa_irq[1]);
return (UNCONF);
}
void
aubus_alloc_dma_tag(sc, pdt)
struct device *sc;
bus_dma_tag_t pdt;
{
bus_dma_tag_t t;
t = pdt;
t->_cookie = sc;
t->_wbase = 0; /* XXX */
t->_physbase = 0; /* XXX */
t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START;
t->_dmamap_create = _bus_dmamap_create;
t->_dmamap_destroy = _bus_dmamap_destroy;
t->_dmamap_load = _bus_dmamap_load;
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
t->_dmamap_load_uio = _bus_dmamap_load_uio;
t->_dmamap_load_raw = _bus_dmamap_load_raw;
t->_dmamap_unload = _bus_dmamap_unload;
t->_dmamap_sync = _bus_dmamap_sync;
t->_dmamem_alloc = _bus_dmamem_alloc;
t->_dmamem_free = _bus_dmamem_free;
t->_dmamem_map = _bus_dmamem_map;
t->_dmamem_unmap = _bus_dmamem_unmap;
t->_dmamem_mmap = _bus_dmamem_mmap;
}