int
ahc_isa_match(struct isa_attach_args *ia, bus_addr_t iobase)
{
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
int irq;
char idstring[EISA_IDSTRINGLEN];
/*
* Get a mapping for the while slot-specific address
* space. If we can't, assume nothing's there, but
* warn about it.
*/
if (bus_space_map(iot, iobase, AHC_ISA_IOSIZE, 0, &ioh)) {
#if 0
/*
* Don't print anything out here, since this could
* be common on machines configured to look for
* ahc_eisa and ahc_isa.
*/
aprint_error("ahc_isa_match: can't map I/O space for 0x%x\n",
iobase);
#endif
return (0);
}
if (!ahc_isa_idstring(iot, ioh, idstring))
irq = -1; /* cannot get the ID string */
else if (strcmp(idstring, "ADP7756") &&
strcmp(idstring, "ADP7757"))
irq = -1; /* unknown ID strings */
else
irq = ahc_aic77xx_irq(iot, ioh);
bus_space_unmap(iot, ioh, AHC_ISA_IOSIZE);
if (irq < 0)
return (0);
if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
ia->ia_irq[0].ir_irq != irq) {
aprint_error("ahc_isa_match: irq mismatch (kernel %d, card %d)\n",
ia->ia_irq[0].ir_irq, irq);
return (0);
}
/* We have a match */
ia->ia_nio = 1;
ia->ia_io[0].ir_addr = iobase;
ia->ia_io[0].ir_size = AHC_ISA_IOSIZE;
ia->ia_nirq = 1;
ia->ia_irq[0].ir_irq = irq;
ia->ia_ndrq = 0;
ia->ia_niomem = 0;
return (1);
}
/*
* Check the slots looking for a board we recognise
* If we find one, note its address (slot) and call
* the actual probe routine to check it out.
*/
static int
ahc_eisa_match(device_t parent, cfdata_t match, void *aux)
{
struct eisa_attach_args *ea = aux;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh;
int irq;
/* must match one of our known ID strings */
if (strcmp(ea->ea_idstring, "ADP7770") &&
strcmp(ea->ea_idstring, "ADP7771"))
return (0);
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh))
return (0);
irq = ahc_aic77xx_irq(iot, ioh);
bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
return (irq >= 0);
}
void
ahc_isa_attach(device_t parent, device_t self, void *aux)
{
struct ahc_softc *ahc = device_private(self);
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
int irq, intrtype;
const char *intrtypestr;
char idstring[EISA_IDSTRINGLEN];
u_char intdef;
ahc->sc_dev = self;
aprint_naive(": SCSI controller\n");
if (bus_space_map(iot, ia->ia_io[0].ir_addr, ia->ia_io[0].ir_size,
0, &ioh)) {
aprint_error(": can't map i/o space\n");
return;
}
if (!ahc_isa_idstring(iot, ioh, idstring)) {
aprint_error(": can't read ID string\n");
goto free_io;
}
if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) {
aprint_error(": ahc_aic77xx_irq failed\n");
goto free_io;
}
if (strcmp(idstring, "ADP7756") == 0) {
aprint_normal(": %s\n", EISA_PRODUCT_ADP7756);
} else if (strcmp(idstring, "ADP7757") == 0) {
aprint_normal(": %s\n", EISA_PRODUCT_ADP7757);
} else {
aprint_error(": unknown device type %s\n", idstring);
goto free_io;
}
/*
* Tell the bus-DMA interface that we can do 32bit DMA
* NOTE: this variable is first referenced in ahc_init().
*/
ahc->sc_dmaflags = ISABUS_DMA_32BIT;
ahc_set_name(ahc, device_xname(ahc->sc_dev));
ahc->parent_dmat = ia->ia_dmat;
ahc->channel = 'A';
ahc->chip = AHC_AIC7770|AHC_VL;
ahc->features = AHC_AIC7770_FE;
ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
ahc->flags |= AHC_PAGESCBS;
ahc->tag = iot;
ahc->bsh = ioh;
if (ahc_softc_init(ahc) != 0)
goto free_io;
ahc_intr_enable(ahc, false);
if (ahc_reset(ahc) != 0)
goto free_io;
intdef = bus_space_read_1(iot, ioh, INTDEF);
if (intdef & EDGE_TRIG) {
intrtype = IST_EDGE;
intrtypestr = "edge triggered";
} else {
intrtype = IST_LEVEL;
intrtypestr = "level sensitive";
}
ahc->ih = isa_intr_establish(ia->ia_ic, irq,
intrtype, IPL_BIO, ahc_intr, ahc);
if (ahc->ih == NULL) {
aprint_error_dev(ahc->sc_dev,
"couldn't establish %s interrupt\n", intrtypestr);
goto free_io;
}
/*
* Tell the user what type of interrupts we're using.
* useful for debugging irq problems
*/
if (bootverbose) {
aprint_verbose_dev(ahc->sc_dev, "Using %s interrupts\n",
intrtypestr);
}
/*
* Now that we know we own the resources we need, do the
* card initialization.
*/
aha2840_load_seeprom(ahc);
/* Attach sub-devices */
if (ahc_aic77xx_attach(ahc) == 0)
return; /* succeed */
/* failed */
isa_intr_disestablish(ia->ia_ic, ahc->ih);
free_io:
bus_space_unmap(iot, ioh, ia->ia_io[0].ir_size);
}
static void
ahc_eisa_attach(device_t parent, device_t self, void *aux)
{
struct ahc_softc *ahc = device_private(self);
struct eisa_attach_args *ea = aux;
eisa_chipset_tag_t ec = ea->ea_ec;
eisa_intr_handle_t ih;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh;
int irq, intrtype;
const char *intrstr, *intrtypestr;
u_int biosctrl;
u_int scsiconf;
u_int scsiconf1;
u_char intdef;
#ifdef AHC_DEBUG
int i;
#endif
char intrbuf[EISA_INTRSTR_LEN];
ahc->sc_dev = self;
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) {
aprint_error_dev(ahc->sc_dev, "could not map I/O addresses");
return;
}
if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) {
aprint_error_dev(ahc->sc_dev, "ahc_aic77xx_irq failed!");
goto free_io;
}
if (strcmp(ea->ea_idstring, "ADP7770") == 0) {
printf(": %s\n", EISA_PRODUCT_ADP7770);
} else if (strcmp(ea->ea_idstring, "ADP7771") == 0) {
printf(": %s\n", EISA_PRODUCT_ADP7771);
} else {
printf(": Unknown device type %s", ea->ea_idstring);
goto free_io;
}
ahc_set_name(ahc, device_xname(ahc->sc_dev));
ahc->parent_dmat = ea->ea_dmat;
ahc->chip = AHC_AIC7770|AHC_EISA;
ahc->features = AHC_AIC7770_FE;
ahc->flags = AHC_PAGESCBS;
ahc->bugs = AHC_TMODE_WIDEODD_BUG;
ahc->tag = iot;
ahc->bsh = ioh;
ahc->channel = 'A';
if (ahc_softc_init(ahc) != 0)
goto free_io;
ahc_intr_enable(ahc, FALSE);
if (ahc_reset(ahc) != 0)
goto free_io;
if (eisa_intr_map(ec, irq, &ih)) {
aprint_error_dev(ahc->sc_dev, "couldn't map interrupt (%d)\n",
irq);
goto free_io;
}
intdef = bus_space_read_1(iot, ioh, INTDEF);
if (intdef & EDGE_TRIG) {
intrtype = IST_EDGE;
intrtypestr = "edge triggered";
} else {
intrtype = IST_LEVEL;
intrtypestr = "level sensitive";
}
intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf));
ahc->ih = eisa_intr_establish(ec, ih,
intrtype, IPL_BIO, ahc_intr, ahc);
if (ahc->ih == NULL) {
aprint_error_dev(ahc->sc_dev, "couldn't establish %s interrupt",
intrtypestr);
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\n");
goto free_io;
}
if (intrstr != NULL)
aprint_normal_dev(ahc->sc_dev, "%s interrupting at %s\n",
intrtypestr, intrstr);
/*
* Now that we know we own the resources we need, do the
* card initialization.
*
* First, the aic7770 card specific setup.
*/
biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
scsiconf = ahc_inb(ahc, SCSICONF);
scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
#ifdef AHC_DEBUG
for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) {
printf("0x%x, 0x%x, 0x%x, 0x%x, "
"0x%x, 0x%x, 0x%x, 0x%x\n",
ahc_inb(ahc, i),
ahc_inb(ahc, i+1),
ahc_inb(ahc, i+2),
ahc_inb(ahc, i+3),
ahc_inb(ahc, i+4),
ahc_inb(ahc, i+5),
ahc_inb(ahc, i+6),
ahc_inb(ahc, i+7));
}
#endif
/* Get the primary channel information */
if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
ahc->flags |= AHC_PRIMARY_CHANNEL;
if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
ahc->flags |= AHC_USEDEFAULTS;
} else if ((ahc->features & AHC_WIDE) != 0) {
ahc->our_id = scsiconf1 & HWSCSIID;
if (scsiconf & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_A;
} else {
ahc->our_id = scsiconf & HSCSIID;
ahc->our_id_b = scsiconf1 & HSCSIID;
if (scsiconf & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_A;
if (scsiconf1 & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_B;
}
if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
/* Attach sub-devices */
if (ahc_aic77xx_attach(ahc) == 0)
return; /* succeed */
/* failed */
eisa_intr_disestablish(ec, ahc->ih);
free_io:
bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
}
