119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/* $NetBSD: auxio_ebus.c,v 1.6 2015/10/06 16:40:36 martin Exp $ */
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/*
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* Copyright (c) 2000, 2001, 2015 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* AUXIO registers support on the sbus & ebus2, used for the floppy driver
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* and to control the system LED, for the BLINK option.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: auxio_ebus.c,v 1.6 2015/10/06 16:40:36 martin Exp $");
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#include "opt_auxio.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/callout.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <dev/ebus/ebusreg.h>
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#include <dev/ebus/ebusvar.h>
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#include <dev/sbus/sbusvar.h>
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#include <sparc64/dev/auxioreg.h>
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#include <sparc64/dev/auxiovar.h>
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static int auxio_ebus_match(device_t, cfdata_t, void *);
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static void auxio_ebus_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(auxio_ebus, sizeof(struct auxio_softc),
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auxio_ebus_match, auxio_ebus_attach, NULL, NULL);
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static int
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auxio_ebus_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct ebus_attach_args *ea = aux;
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return (strcmp(AUXIO_ROM_NAME, ea->ea_name) == 0);
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}
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static void
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auxio_ebus_attach(device_t parent, device_t self, void *aux)
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{
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struct auxio_softc *sc = device_private(self);
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struct ebus_attach_args *ea = aux;
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sc->sc_dev = self;
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sc->sc_tag = ea->ea_bustag;
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if (ea->ea_nreg < 1) {
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printf(": no registers??\n");
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return;
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}
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sc->sc_flags = AUXIO_EBUS;
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if (ea->ea_nreg != 5) {
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printf(": not 5 (%d) registers, only setting led",
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ea->ea_nreg);
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sc->sc_flags |= AUXIO_LEDONLY;
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} else if (ea->ea_nvaddr == 5) {
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sparc_promaddr_to_handle(sc->sc_tag,
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ea->ea_vaddr[1], &sc->sc_pci);
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sparc_promaddr_to_handle(sc->sc_tag,
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ea->ea_vaddr[2], &sc->sc_freq);
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sparc_promaddr_to_handle(sc->sc_tag,
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ea->ea_vaddr[3], &sc->sc_scsi);
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sparc_promaddr_to_handle(sc->sc_tag,
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ea->ea_vaddr[4], &sc->sc_temp);
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} else {
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bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[1]),
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ea->ea_reg[1].size, 0, &sc->sc_pci);
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bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[2]),
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ea->ea_reg[2].size, 0, &sc->sc_freq);
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bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[3]),
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ea->ea_reg[3].size, 0, &sc->sc_scsi);
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bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[4]),
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ea->ea_reg[4].size, 0, &sc->sc_temp);
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}
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if (ea->ea_nvaddr > 0) {
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sparc_promaddr_to_handle(sc->sc_tag,
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ea->ea_vaddr[0], &sc->sc_led);
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} else {
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bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[0]),
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ea->ea_reg[0].size, 0, &sc->sc_led);
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}
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auxio_attach_common(sc);
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}
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