NetBSD/sys/dev/mca/mca.c

194 lines
5.5 KiB
C

/* $NetBSD: mca.c,v 1.17 2005/02/04 02:10:43 perry Exp $ */
/*-
* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
* Copyright (c) 1996-1999 Scott D. Telford.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Scott Telford <s.telford@ed.ac.uk>.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
/*
* MCA Bus device
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mca.c,v 1.17 2005/02/04 02:10:43 perry Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/mca/mcareg.h>
#include <dev/mca/mcavar.h>
#include <dev/mca/mcadevs.h>
#include "locators.h"
int mca_match(struct device *, struct cfdata *, void *);
void mca_attach(struct device *, struct device *, void *);
CFATTACH_DECL(mca, sizeof(struct device),
mca_match, mca_attach, NULL, NULL);
int mca_submatch(struct device *, struct cfdata *,
const locdesc_t *, void *);
int mca_print(void *, const char *);
int
mca_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct mcabus_attach_args *mba = aux;
/* sanity (only mca0 supported currently) */
if (mba->mba_bus < 0 || mba->mba_bus > 0)
return (0);
/* XXX check other indicators? */
return (1);
}
int
mca_print(aux, pnp)
void *aux;
const char *pnp;
{
register struct mca_attach_args *ma = aux;
char devinfo[256];
if (pnp) {
mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo));
aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo);
}
/*
* Print "configured" for Memory Extension boards - there is no
* meaningfull driver for them, they "just work".
*/
switch(ma->ma_id) {
case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM:
case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM:
case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16:
case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM:
case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM:
case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1:
case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3:
case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5:
case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7:
aprint_normal(": memory configured\n");
return (QUIET);
default:
return (UNCONF);
}
}
int
mca_submatch(parent, cf, ldesc, aux)
struct device *parent;
struct cfdata *cf;
const locdesc_t *ldesc;
void *aux;
{
if (cf->cf_loc[MCACF_SLOT] != MCACF_SLOT_DEFAULT &&
cf->cf_loc[MCACF_SLOT] != ldesc->locs[MCACF_SLOT])
return 0;
return (config_match(parent, cf, aux));
}
void
mca_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct mcabus_attach_args *mba = aux;
bus_space_tag_t iot, memt;
bus_dma_tag_t dmat;
mca_chipset_tag_t mc;
int slot;
mca_attach_hook(parent, self, mba);
printf("\n");
iot = mba->mba_iot;
memt = mba->mba_memt;
mc = mba->mba_mc;
dmat = mba->mba_dmat;
/*
* Search for and attach subdevices.
*
* NB: In the adapter setup register, slots are numbered from 0,
* but officially they are numbered from 1.
* We use the former convention internally and the latter for text
* messages and in config files.
*/
for (slot = 0; slot < MCA_MAX_SLOTS; slot++) {
struct mca_attach_args ma;
int reg;
int help[2];
locdesc_t *ldesc = (void *)help; /* XXX */
ma.ma_iot = iot;
ma.ma_memt = memt;
ma.ma_dmat = dmat;
ma.ma_mc = mc;
ma.ma_slot = slot;
for(reg = 0; reg < 8; reg++)
ma.ma_pos[reg]=mca_conf_read(mc, slot, reg);
ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8);
if (ma.ma_id == 0xffff) /* no adapter here */
continue;
ldesc->len = 1;
ldesc->locs[MCACF_SLOT] = slot;
if (ma.ma_pos[2] & MCA_POS2_ENABLE
|| mca_match_disabled(ma.ma_id))
config_found_sm_loc(self, "mca", ldesc, &ma,
mca_print, mca_submatch);
else {
mca_print(&ma, self->dv_xname);
printf(" disabled\n");
}
}
}