266 lines
7.3 KiB
C
266 lines
7.3 KiB
C
/* $NetBSD: asp.c,v 1.6 2003/07/15 02:29:24 lukem Exp $ */
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/* $OpenBSD: asp.c,v 1.5 2000/02/09 05:04:22 mickey Exp $ */
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/*
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* Copyright (c) 1998,1999 Michael Shalayeff
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Michael Shalayeff.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND,
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* References:
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*
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* 1. Cobra/Coral I/O Subsystem External Reference Specification
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* Hewlett-Packard
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: asp.c,v 1.6 2003/07/15 02:29:24 lukem Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/reboot.h>
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#include <machine/bus.h>
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#include <machine/iomod.h>
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#include <machine/autoconf.h>
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#include <machine/cpufunc.h>
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#include <hp700/hp700/machdep.h>
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#include <hp700/dev/cpudevs.h>
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#include <hp700/dev/viper.h>
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#include <hp700/gsc/gscbusvar.h>
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struct asp_hwr {
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u_int8_t asp_reset;
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u_int8_t asp_resv[31];
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u_int8_t asp_version;
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u_int8_t asp_resv1[15];
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u_int8_t asp_scsidsync;
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u_int8_t asp_resv2[15];
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u_int8_t asp_error;
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};
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struct asp_trs {
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u_int32_t asp_irr;
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u_int32_t asp_imr;
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u_int32_t asp_ipr;
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u_int32_t asp_icr;
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u_int32_t asp_iar;
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u_int32_t asp_resv[3];
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u_int8_t asp_cled;
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u_int8_t asp_resv1[3];
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struct {
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u_int :20,
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asp_spu : 3, /* SPU ID board jumper */
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#define ASP_SPUCOBRA 0
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#define ASP_SPUCORAL 1
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#define ASP_SPUBUSH 2
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#define ASP_SPUHARDBALL 3
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#define ASP_SPUSCORPIO 4
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#define ASP_SPUCORAL2 5
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asp_sw : 1, /* front switch is normal */
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asp_clk : 1, /* SCSI clock is doubled */
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asp_lan : 2, /* LAN iface selector */
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#define ASP_LANINVAL 0
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#define ASP_LANAUI 1
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#define ASP_LANTHIN 2
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#define ASP_LANMISS 3
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asp_lanf: 1, /* LAN AUI fuse is ok */
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asp_spwr: 1, /* SCSI power ok */
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asp_scsi: 3; /* SCSI ctrl ID */
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} _asp_ios;
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#define asp_spu _asp_ios.asp_spu
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#define asp_sw _asp_ios.asp_sw
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#define asp_clk _asp_ios.asp_clk
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#define asp_lan _asp_ios.asp_lan
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#define asp_lanf _asp_ios.asp_lanf
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#define asp_spwr _asp_ios.asp_spwr
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#define asp_scsi _asp_ios.asp_scsi
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};
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#define ASP_BANK_SZ 0x02000000
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#define ASP_REG_INT 0x00800000
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#define ASP_ETHER_ADDR 0x00810000
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#define ASP_REG_MISC 0x0082f000
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const struct asp_spus_tag {
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char name[12];
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int ledword;
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} asp_spus[] = {
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{ "Cobra", 0 },
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{ "Coral", 0 },
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{ "Bushmaster", 0 },
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{ "Hardball", 1 },
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{ "Scorpio", 0 },
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{ "Coral II", 1 },
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{ "#6", 0 },
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{ "#7", 0 }
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};
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struct asp_softc {
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struct device sc_dev;
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struct hp700_int_reg sc_int_reg;
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volatile struct asp_hwr *sc_hw;
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volatile struct asp_trs *sc_trs;
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};
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int aspmatch __P((struct device *, struct cfdata *, void *));
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void aspattach __P((struct device *, struct device *, void *));
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CFATTACH_DECL(asp, sizeof(struct asp_softc),
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aspmatch, aspattach, NULL, NULL);
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/*
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* Before a module is matched, this fixes up its gsc_attach_args.
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*/
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static void asp_fix_args __P((void *, struct gsc_attach_args *));
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static void
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asp_fix_args(void *_sc, struct gsc_attach_args *ga)
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{
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hppa_hpa_t module_offset;
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struct asp_softc *sc = _sc;
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/*
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* Determine this module's interrupt bit.
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*/
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module_offset = ga->ga_hpa - (hppa_hpa_t) sc->sc_trs;
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ga->ga_irq = HP700CF_IRQ_UNDEF;
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#define ASP_IRQ(off, irq) if (module_offset == off) ga->ga_irq = irq
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ASP_IRQ(0x22000, 6); /* com1 */
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ASP_IRQ(0x23000, 5); /* com0 */
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ASP_IRQ(0x24000, 7); /* lpt */
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ASP_IRQ(0x25000, 9); /* osiop */
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ASP_IRQ(0x26000, 8); /* ie */
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ASP_IRQ(0x30000, 3); /* siop */
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#undef ASP_IRQ
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}
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int
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aspmatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct confargs *ca = aux;
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if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
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ca->ca_type.iodc_sv_model != HPPA_BHA_ASP)
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return 0;
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/* Make sure we have an IRQ. */
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if (ca->ca_irq == HP700CF_IRQ_UNDEF)
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ca->ca_irq = hp700_intr_allocate_bit(&int_reg_cpu);
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/*
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* Forcibly mask the HPA down to the start of the ASP
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* chip address space.
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*/
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ca->ca_hpa &= ~(ASP_BANK_SZ - 1);
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return 1;
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}
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void
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aspattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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register struct confargs *ca = aux;
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register struct asp_softc *sc = (struct asp_softc *)self;
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struct gsc_attach_args ga;
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bus_space_handle_t ioh;
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register u_int32_t irr;
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register int s;
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/*
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* Map the ASP interrupt registers.
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*/
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if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_REG_INT,
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sizeof(struct asp_trs), 0, &ioh))
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panic("aspattach: can't map interrupt registers.");
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sc->sc_trs = (struct asp_trs *)ioh;
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/*
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* Map the ASP miscellaneous registers.
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*/
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if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_REG_MISC,
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sizeof(struct asp_hwr), 0, &ioh))
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panic("aspattach: can't map miscellaneous registers.");
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sc->sc_hw = (struct asp_hwr *)ioh;
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/*
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* Map the Ethernet address and read it out.
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*/
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if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_ETHER_ADDR,
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sizeof(ga.ga_ether_address), 0, &ioh))
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panic("aspattach: can't map EEPROM.");
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bus_space_read_region_1(ca->ca_iot, ioh, 0,
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ga.ga_ether_address, sizeof(ga.ga_ether_address));
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bus_space_unmap(ca->ca_iot, ioh, sizeof(ga.ga_ether_address));
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machine_ledaddr = &sc->sc_trs->asp_cled;
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machine_ledword = asp_spus[sc->sc_trs->asp_spu].ledword;
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/* reset ASP */
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/* sc->sc_hw->asp_reset = 1; */
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/* delay(400000); */
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s = splhigh();
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viper_setintrwnd(1 << ca->ca_irq);
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sc->sc_trs->asp_imr = ~0;
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irr = sc->sc_trs->asp_irr;
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sc->sc_trs->asp_imr = 0;
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splx(s);
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printf (": %s rev %d, lan %d scsi %d\n",
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asp_spus[sc->sc_trs->asp_spu].name, sc->sc_hw->asp_version,
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sc->sc_trs->asp_lan, sc->sc_trs->asp_scsi);
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/* Establish the interrupt register. */
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hp700_intr_reg_establish(&sc->sc_int_reg);
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sc->sc_int_reg.int_reg_mask = &sc->sc_trs->asp_imr;
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sc->sc_int_reg.int_reg_req = &sc->sc_trs->asp_irr;
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/* Attach the GSC bus. */
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ga.ga_ca = *ca; /* clone from us */
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ga.ga_name = "gsc";
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ga.ga_int_reg = &sc->sc_int_reg;
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ga.ga_fix_args = asp_fix_args;
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ga.ga_fix_args_cookie = sc;
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ga.ga_scsi_target = sc->sc_trs->asp_scsi;
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config_found(self, &ga, gscprint);
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}
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