NetBSD-5.0.2/sys/arch/hp700/dev/asp.c
/* $NetBSD: asp.c,v 1.10 2006/09/22 14:08:03 skrll Exp $ */
/* $OpenBSD: asp.c,v 1.5 2000/02/09 05:04:22 mickey Exp $ */
/*
* Copyright (c) 1998,1999 Michael Shalayeff
* 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 Michael Shalayeff.
* 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 MIND,
* 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.
*/
/*
* References:
*
* 1. Cobra/Coral I/O Subsystem External Reference Specification
* Hewlett-Packard
*
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: asp.c,v 1.10 2006/09/22 14:08:03 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/bus.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <machine/cpufunc.h>
#include <hp700/hp700/machdep.h>
#include <hp700/dev/cpudevs.h>
#include <hp700/dev/viper.h>
#include <hp700/gsc/gscbusvar.h>
struct asp_hwr {
u_int8_t asp_reset;
u_int8_t asp_resv[31];
u_int8_t asp_version;
u_int8_t asp_resv1[15];
u_int8_t asp_scsidsync;
u_int8_t asp_resv2[15];
u_int8_t asp_error;
};
struct asp_trs {
u_int32_t asp_irr;
u_int32_t asp_imr;
u_int32_t asp_ipr;
u_int32_t asp_icr;
u_int32_t asp_iar;
u_int32_t asp_resv[3];
u_int8_t asp_cled;
u_int8_t asp_resv1[3];
struct {
u_int :20,
asp_spu : 3, /* SPU ID board jumper */
#define ASP_SPUCOBRA 0
#define ASP_SPUCORAL 1
#define ASP_SPUBUSH 2
#define ASP_SPUHARDBALL 3
#define ASP_SPUSCORPIO 4
#define ASP_SPUCORAL2 5
asp_sw : 1, /* front switch is normal */
asp_clk : 1, /* SCSI clock is doubled */
asp_lan : 2, /* LAN iface selector */
#define ASP_LANINVAL 0
#define ASP_LANAUI 1
#define ASP_LANTHIN 2
#define ASP_LANMISS 3
asp_lanf: 1, /* LAN AUI fuse is ok */
asp_spwr: 1, /* SCSI power ok */
asp_scsi: 3; /* SCSI ctrl ID */
} _asp_ios;
#define asp_spu _asp_ios.asp_spu
#define asp_sw _asp_ios.asp_sw
#define asp_clk _asp_ios.asp_clk
#define asp_lan _asp_ios.asp_lan
#define asp_lanf _asp_ios.asp_lanf
#define asp_spwr _asp_ios.asp_spwr
#define asp_scsi _asp_ios.asp_scsi
};
#define ASP_BANK_SZ 0x02000000
#define ASP_REG_INT 0x00800000
#define ASP_ETHER_ADDR 0x00810000
#define ASP_REG_MISC 0x0082f000
const struct asp_spus_tag {
char name[12];
int ledword;
} asp_spus[] = {
{ "Cobra", 0 },
{ "Coral", 0 },
{ "Bushmaster", 0 },
{ "Hardball", 1 },
{ "Scorpio", 0 },
{ "Coral II", 1 },
{ "#6", 0 },
{ "#7", 0 }
};
struct asp_softc {
struct device sc_dev;
struct hp700_int_reg sc_int_reg;
volatile struct asp_hwr *sc_hw;
volatile struct asp_trs *sc_trs;
};
int aspmatch(struct device *, struct cfdata *, void *);
void aspattach(struct device *, struct device *, void *);
CFATTACH_DECL(asp, sizeof(struct asp_softc),
aspmatch, aspattach, NULL, NULL);
/*
* Before a module is matched, this fixes up its gsc_attach_args.
*/
static void asp_fix_args(void *, struct gsc_attach_args *);
static void
asp_fix_args(void *_sc, struct gsc_attach_args *ga)
{
hppa_hpa_t module_offset;
struct asp_softc *sc = _sc;
/*
* Determine this module's interrupt bit.
*/
module_offset = ga->ga_hpa - (hppa_hpa_t) sc->sc_trs;
ga->ga_irq = HP700CF_IRQ_UNDEF;
#define ASP_IRQ(off, irq) if (module_offset == off) ga->ga_irq = irq
ASP_IRQ(0x22000, 6); /* com1 */
ASP_IRQ(0x23000, 5); /* com0 */
ASP_IRQ(0x24000, 7); /* lpt */
ASP_IRQ(0x25000, 9); /* osiop */
ASP_IRQ(0x26000, 8); /* ie */
ASP_IRQ(0x30000, 3); /* siop */
ASP_IRQ(0x800000, 13); /* harmony */
#undef ASP_IRQ
}
int
aspmatch(struct device *parent, struct cfdata *cf, void *aux)
{
struct confargs *ca = aux;
if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
ca->ca_type.iodc_sv_model != HPPA_BHA_ASP)
return 0;
/* Make sure we have an IRQ. */
if (ca->ca_irq == HP700CF_IRQ_UNDEF)
ca->ca_irq = hp700_intr_allocate_bit(&int_reg_cpu);
/*
* Forcibly mask the HPA down to the start of the ASP
* chip address space.
*/
ca->ca_hpa &= ~(ASP_BANK_SZ - 1);
return 1;
}
void
aspattach(struct device *parent, struct device *self, void *aux)
{
struct confargs *ca = aux;
struct asp_softc *sc = (struct asp_softc *)self;
struct gsc_attach_args ga;
bus_space_handle_t ioh;
uint32_t irr;
int s;
/*
* Map the ASP interrupt registers.
*/
if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_REG_INT,
sizeof(struct asp_trs), 0, &ioh))
panic("aspattach: can't map interrupt registers.");
sc->sc_trs = (struct asp_trs *)ioh;
/*
* Map the ASP miscellaneous registers.
*/
if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_REG_MISC,
sizeof(struct asp_hwr), 0, &ioh))
panic("aspattach: can't map miscellaneous registers.");
sc->sc_hw = (struct asp_hwr *)ioh;
/*
* Map the Ethernet address and read it out.
*/
if (bus_space_map(ca->ca_iot, ca->ca_hpa + ASP_ETHER_ADDR,
sizeof(ga.ga_ether_address), 0, &ioh))
panic("aspattach: can't map EEPROM.");
bus_space_read_region_1(ca->ca_iot, ioh, 0,
ga.ga_ether_address, sizeof(ga.ga_ether_address));
bus_space_unmap(ca->ca_iot, ioh, sizeof(ga.ga_ether_address));
#ifdef USELEDS
machine_ledaddr = &sc->sc_trs->asp_cled;
machine_ledword = asp_spus[sc->sc_trs->asp_spu].ledword;
#endif
/* reset ASP */
/* sc->sc_hw->asp_reset = 1; */
/* delay(400000); */
s = splhigh();
viper_setintrwnd(1 << ca->ca_irq);
sc->sc_trs->asp_imr = ~0;
irr = sc->sc_trs->asp_irr;
sc->sc_trs->asp_imr = 0;
splx(s);
printf (": %s rev %d, lan %d scsi %d\n",
asp_spus[sc->sc_trs->asp_spu].name, sc->sc_hw->asp_version,
sc->sc_trs->asp_lan, sc->sc_trs->asp_scsi);
/* Establish the interrupt register. */
hp700_intr_reg_establish(&sc->sc_int_reg);
sc->sc_int_reg.int_reg_mask = &sc->sc_trs->asp_imr;
sc->sc_int_reg.int_reg_req = &sc->sc_trs->asp_irr;
/* Attach the GSC bus. */
ga.ga_ca = *ca; /* clone from us */
ga.ga_name = "gsc";
ga.ga_int_reg = &sc->sc_int_reg;
ga.ga_fix_args = asp_fix_args;
ga.ga_fix_args_cookie = sc;
ga.ga_scsi_target = sc->sc_trs->asp_scsi;
config_found(self, &ga, gscprint);
}