static void
nca_pci_attach(device_t parent, device_t self, void *aux)
{
struct ncr5380_softc *sc = device_private(self);
struct pci_attach_args *pa = aux;
sc->sc_dev = self;
pci_aprint_devinfo(pa, "SCSI controller");
if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0,
&sc->sc_regt, &sc->sc_regh, NULL, NULL)) {
aprint_error_dev(self, "could not map IO space\n");
return;
}
/* The Domex 536 seems to be driven by polling,
* don't bother mapping an interrupt handler.
*/
sc->sc_rev = NCR_VARIANT_CXD1180;
sc->sci_r0 = 0;
sc->sci_r1 = 1;
sc->sci_r2 = 2;
sc->sci_r3 = 3;
sc->sci_r4 = 4;
sc->sci_r5 = 5;
sc->sci_r6 = 6;
sc->sci_r7 = 7;
sc->sc_pio_out = ncr5380_pio_out;
sc->sc_pio_in = ncr5380_pio_in;
sc->sc_dma_alloc = NULL;
sc->sc_dma_free = NULL;
sc->sc_dma_setup = NULL;
sc->sc_dma_start = NULL;
sc->sc_dma_poll = NULL;
sc->sc_dma_eop = NULL;
sc->sc_dma_stop = NULL;
sc->sc_intr_on = NULL;
sc->sc_intr_off = NULL;
sc->sc_flags |= NCR5380_FORCE_POLLING;
sc->sc_min_dma_len = 0;
sc->sc_adapter.adapt_request = ncr5380_scsipi_request;
sc->sc_adapter.adapt_minphys = minphys;
sc->sc_channel.chan_id = 7;
ncr5380_attach(sc);
}
void
hcsc_attach(device_t parent, device_t self, void *aux)
{
struct hcsc_softc *sc = device_private(self);
struct ncr5380_softc *ncr_sc = &sc->sc_ncr5380;
struct podulebus_attach_args *pa = aux;
#ifndef NCR5380_USE_BUS_SPACE
uint8_t *iobase;
#endif
char hi_option[sizeof(self->dv_xname) + 8];
ncr_sc->sc_dev = self;
ncr_sc->sc_min_dma_len = 0;
ncr_sc->sc_no_disconnect = 0;
ncr_sc->sc_parity_disable = 0;
ncr_sc->sc_dma_alloc = NULL;
ncr_sc->sc_dma_free = NULL;
ncr_sc->sc_dma_poll = NULL;
ncr_sc->sc_dma_setup = NULL;
ncr_sc->sc_dma_start = NULL;
ncr_sc->sc_dma_eop = NULL;
ncr_sc->sc_dma_stop = NULL;
ncr_sc->sc_intr_on = NULL;
ncr_sc->sc_intr_off = NULL;
#ifdef NCR5380_USE_BUS_SPACE
ncr_sc->sc_regt = pa->pa_fast_t;
bus_space_map(ncr_sc->sc_regt,
pa->pa_fast_base + HCSC_DP8490_OFFSET, 8, 0,
&ncr_sc->sc_regh);
ncr_sc->sci_r0 = 0;
ncr_sc->sci_r1 = 1;
ncr_sc->sci_r2 = 2;
ncr_sc->sci_r3 = 3;
ncr_sc->sci_r4 = 4;
ncr_sc->sci_r5 = 5;
ncr_sc->sci_r6 = 6;
ncr_sc->sci_r7 = 7;
#else
iobase = (u_char *)pa->pa_fast_base + HCSC_DP8490_OFFSET;
ncr_sc->sci_r0 = iobase + 0;
ncr_sc->sci_r1 = iobase + 4;
ncr_sc->sci_r2 = iobase + 8;
ncr_sc->sci_r3 = iobase + 12;
ncr_sc->sci_r4 = iobase + 16;
ncr_sc->sci_r5 = iobase + 20;
ncr_sc->sci_r6 = iobase + 24;
ncr_sc->sci_r7 = iobase + 28;
#endif
sc->sc_pdmat = pa->pa_mod_t;
bus_space_map(sc->sc_pdmat, pa->pa_mod_base + HCSC_PDMA_OFFSET, 1, 0,
&sc->sc_pdmah);
ncr_sc->sc_rev = NCR_VARIANT_DP8490;
ncr_sc->sc_pio_in = hcsc_pdma_in;
ncr_sc->sc_pio_out = hcsc_pdma_out;
/* Provide an override for the host id */
ncr_sc->sc_channel.chan_id = 7;
snprintf(hi_option, sizeof(hi_option), "%s.hostid",
device_xname(self));
(void)get_bootconf_option(boot_args, hi_option,
BOOTOPT_TYPE_INT, &ncr_sc->sc_channel.chan_id);
ncr_sc->sc_adapter.adapt_minphys = minphys;
aprint_normal(": host ID %d\n", ncr_sc->sc_channel.chan_id);
evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
device_xname(self), "intr");
sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_BIO, ncr5380_intr,
sc, &sc->sc_intrcnt);
ncr5380_attach(ncr_sc);
}
static void
sbc_obio_attach(device_t parent, device_t self, void *aux)
{
struct sbc_softc *sc = device_private(self);
struct ncr5380_softc *ncr_sc = &sc->ncr_sc;
struct obio_attach_args *oa = aux;
char bits[64];
extern vaddr_t SCSIBase;
ncr_sc->sc_dev = self;
/* Pull in the options flags. */
sc->sc_options = ((device_cfdata(self)->cf_flags |
sbc_options) & SBC_OPTIONS_MASK);
/*
* Set up offsets to 5380 registers and GLUE I/O space, and turn
* off options we know we can't support on certain models.
*/
switch (current_mac_model->machineid) {
case MACH_MACIIFX: /* Note: the IIfx isn't (yet) supported. */
sc->sc_regs = (struct sbc_regs *)(SCSIBase + SBC_REG_OFS_IIFX);
sc->sc_drq_addr = (vaddr_t)(SCSIBase + SBC_HSK_OFS_IIFX);
sc->sc_nodrq_addr = (vaddr_t)(SCSIBase + SBC_DMA_OFS_IIFX);
sc->sc_options &= ~(SBC_INTR | SBC_RESELECT);
break;
case MACH_MACPB500:
sc->sc_regs = (struct sbc_regs *)(SCSIBase + SBC_REG_OFS);
sc->sc_drq_addr = (vaddr_t)(SCSIBase + SBC_HSK_OFS); /*??*/
sc->sc_nodrq_addr = (vaddr_t)(SCSIBase + SBC_DMA_OFS_PB500);
sc->sc_options &= ~(SBC_INTR | SBC_RESELECT);
break;
case MACH_MACPB210:
case MACH_MACPB230:
case MACH_MACPB250:
case MACH_MACPB270:
case MACH_MACPB280:
case MACH_MACPB280C:
if (oa->oa_addr == 1) {
sc->sc_regs = (struct sbc_regs *)(0xfee00000 + SBC_REG_OFS_DUO2);
sc->sc_drq_addr = (vaddr_t)(0xfee00000 + SBC_HSK_OFS_DUO2);
sc->sc_nodrq_addr = (vaddr_t)(0xfee00000 + SBC_DMA_OFS_DUO2);
break;
}
/*FALLTHROUGH*/
default:
sc->sc_regs = (struct sbc_regs *)(SCSIBase + SBC_REG_OFS);
sc->sc_drq_addr = (vaddr_t)(SCSIBase + SBC_HSK_OFS);
sc->sc_nodrq_addr = (vaddr_t)(SCSIBase + SBC_DMA_OFS);
break;
}
/*
* Initialize fields used by the MI code
*/
ncr_sc->sci_r0 = &sc->sc_regs->sci_pr0.sci_reg;
ncr_sc->sci_r1 = &sc->sc_regs->sci_pr1.sci_reg;
ncr_sc->sci_r2 = &sc->sc_regs->sci_pr2.sci_reg;
ncr_sc->sci_r3 = &sc->sc_regs->sci_pr3.sci_reg;
ncr_sc->sci_r4 = &sc->sc_regs->sci_pr4.sci_reg;
ncr_sc->sci_r5 = &sc->sc_regs->sci_pr5.sci_reg;
ncr_sc->sci_r6 = &sc->sc_regs->sci_pr6.sci_reg;
ncr_sc->sci_r7 = &sc->sc_regs->sci_pr7.sci_reg;
ncr_sc->sc_rev = NCR_VARIANT_NCR5380;
/*
* MD function pointers used by the MI code.
*/
if (sc->sc_options & SBC_PDMA) {
ncr_sc->sc_pio_out = sbc_pdma_out;
ncr_sc->sc_pio_in = sbc_pdma_in;
} else {
ncr_sc->sc_pio_out = ncr5380_pio_out;
ncr_sc->sc_pio_in = ncr5380_pio_in;
}
ncr_sc->sc_dma_alloc = NULL;
ncr_sc->sc_dma_free = NULL;
ncr_sc->sc_dma_poll = NULL;
ncr_sc->sc_intr_on = NULL;
ncr_sc->sc_intr_off = NULL;
ncr_sc->sc_dma_setup = NULL;
ncr_sc->sc_dma_start = NULL;
ncr_sc->sc_dma_eop = NULL;
ncr_sc->sc_dma_stop = NULL;
ncr_sc->sc_flags = 0;
ncr_sc->sc_min_dma_len = MIN_DMA_LEN;
if (sc->sc_options & SBC_INTR) {
ncr_sc->sc_dma_alloc = sbc_dma_alloc;
ncr_sc->sc_dma_free = sbc_dma_free;
ncr_sc->sc_dma_poll = sbc_dma_poll;
ncr_sc->sc_dma_setup = sbc_dma_setup;
ncr_sc->sc_dma_start = sbc_dma_start;
ncr_sc->sc_dma_eop = sbc_dma_eop;
ncr_sc->sc_dma_stop = sbc_dma_stop;
via2_register_irq(VIA2_SCSIDRQ, sbc_drq_intr, ncr_sc);
}
via2_register_irq(VIA2_SCSIIRQ, sbc_irq_intr, ncr_sc);
sc->sc_clrintr = sbc_obio_clrintr;
if ((sc->sc_options & SBC_RESELECT) == 0)
ncr_sc->sc_no_disconnect = 0xff;
if (sc->sc_options) {
snprintb(bits, sizeof(bits), SBC_OPTIONS_BITS, sc->sc_options);
aprint_normal(": options=%s", bits);
}
aprint_normal("\n");
if (sc->sc_options & (SBC_INTR|SBC_RESELECT)) {
/* Enable SCSI interrupts through VIA2 */
sbc_intr_enable(ncr_sc);
}
#ifdef SBC_DEBUG
if (sbc_debug)
aprint_debug_dev(self, "softc=%p regs=%p\n", sc, sc->sc_regs);
#endif
ncr_sc->sc_channel.chan_id = 7;
ncr_sc->sc_adapter.adapt_minphys = minphys;
/*
* Initialize the SCSI controller itself.
*/
ncr5380_attach(ncr_sc);
}
static void
se_attach(device_t parent, device_t self, void *args)
{
struct se_softc *sc = device_private(self);
struct ncr5380_softc *ncr_sc = &sc->ncr_sc;
struct cfdata *cf = device_cfdata(self);
struct sebuf_attach_args *aa = args;
volatile struct se_regs *regs;
int i;
ncr_sc->sc_dev = self;
/* Get options from config flags if specified. */
if (cf->cf_flags)
sc->sc_options = cf->cf_flags;
else
sc->sc_options = se_options;
aprint_normal(": options=0x%x\n", sc->sc_options);
sc->sc_adapter_type = aa->ca.ca_bustype;
sc->sc_adapter_iv = aa->ca.ca_intvec;
sc->sc_regs = regs = aa->regs;
/*
* MD function pointers used by the MI code.
*/
ncr_sc->sc_pio_out = ncr5380_pio_out;
ncr_sc->sc_pio_in = ncr5380_pio_in;
#if 0 /* XXX - not yet... */
ncr_sc->sc_dma_alloc = se_dma_alloc;
ncr_sc->sc_dma_free = se_dma_free;
ncr_sc->sc_dma_setup = se_dma_setup;
ncr_sc->sc_dma_start = se_dma_start;
ncr_sc->sc_dma_poll = se_dma_poll;
ncr_sc->sc_dma_eop = se_dma_eop;
ncr_sc->sc_dma_stop = se_dma_stop;
ncr_sc->sc_intr_on = se_intr_on;
ncr_sc->sc_intr_off = se_intr_off;
#endif /* XXX */
/* Attach interrupt handler. */
isr_add_vectored(se_intr, (void *)sc,
aa->ca.ca_intpri, aa->ca.ca_intvec);
/* Reset the hardware. */
se_reset(ncr_sc);
/* Do the common attach stuff. */
/*
* Support the "options" (config file flags).
* Disconnect/reselect is a per-target mask.
* Interrupts and DMA are per-controller.
*/
ncr_sc->sc_no_disconnect =
(sc->sc_options & SE_NO_DISCONNECT);
ncr_sc->sc_parity_disable =
(sc->sc_options & SE_NO_PARITY_CHK) >> 8;
if (sc->sc_options & SE_FORCE_POLLING)
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
#if 1 /* XXX - Temporary */
/* XXX - In case we think DMA is completely broken... */
if (sc->sc_options & SE_DISABLE_DMA) {
/* Override this function pointer. */
ncr_sc->sc_dma_alloc = NULL;
}
#endif
ncr_sc->sc_min_dma_len = MIN_DMA_LEN;
/*
* Initialize fields used by the MI code
*/
ncr_sc->sci_r0 = ®s->ncrregs[0];
ncr_sc->sci_r1 = ®s->ncrregs[1];
ncr_sc->sci_r2 = ®s->ncrregs[2];
ncr_sc->sci_r3 = ®s->ncrregs[3];
ncr_sc->sci_r4 = ®s->ncrregs[4];
ncr_sc->sci_r5 = ®s->ncrregs[5];
ncr_sc->sci_r6 = ®s->ncrregs[6];
ncr_sc->sci_r7 = ®s->ncrregs[7];
ncr_sc->sc_rev = NCR_VARIANT_NCR5380;
/*
* Allocate DMA handles.
*/
i = SCI_OPENINGS * sizeof(struct se_dma_handle);
sc->sc_dma = malloc(i, M_DEVBUF, M_WAITOK);
if (sc->sc_dma == NULL)
panic("se: dma_malloc failed");
for (i = 0; i < SCI_OPENINGS; i++)
sc->sc_dma[i].dh_flags = 0;
ncr_sc->sc_channel.chan_id = 7;
ncr_sc->sc_adapter.adapt_minphys = se_minphys;
/*
* Initialize se board itself.
*/
ncr5380_attach(ncr_sc);
}
void
csa_attach(device_t parent, device_t self, void *aux)
{
struct csa_softc *sc = device_private(self);
struct ncr5380_softc *ncr_sc = &sc->sc_ncr5380;
struct podule_attach_args *pa = aux;
uint8_t *iobase;
char hi_option[sizeof(self->dv_xname) + 8];
ncr_sc->sc_dev = self;
/* Note the podule number and validate */
if (pa->pa_podule_number == -1)
panic("Podule has disappeared !");
sc->sc_podule_number = pa->pa_podule_number;
sc->sc_podule = pa->pa_podule;
podules[sc->sc_podule_number].attached = 1;
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
ncr_sc->sc_min_dma_len = 0;
ncr_sc->sc_no_disconnect = 0x00;
ncr_sc->sc_parity_disable = 0x00;
ncr_sc->sc_dma_alloc = NULL;
ncr_sc->sc_dma_free = NULL;
ncr_sc->sc_dma_poll = NULL;
ncr_sc->sc_dma_setup = NULL;
ncr_sc->sc_dma_start = NULL;
ncr_sc->sc_dma_eop = NULL;
ncr_sc->sc_dma_stop = NULL;
ncr_sc->sc_intr_on = NULL;
ncr_sc->sc_intr_off = NULL;
iobase = (uint8_t *)pa->pa_podule->slow_base + CSA_NCR5380_OFFSET;
ncr_sc->sci_r0 = iobase + 0;
ncr_sc->sci_r1 = iobase + 4;
ncr_sc->sci_r2 = iobase + 8;
ncr_sc->sci_r3 = iobase + 12;
ncr_sc->sci_r4 = iobase + 16;
ncr_sc->sci_r5 = iobase + 20;
ncr_sc->sci_r6 = iobase + 24;
ncr_sc->sci_r7 = iobase + 28;
ncr_sc->sc_rev = NCR_VARIANT_NCR5380;
sc->sc_ctrl = (uint8_t *)pa->pa_podule->slow_base + CSA_CTRL_OFFSET;
sc->sc_status = (uint8_t *)pa->pa_podule->slow_base + CSA_STAT_OFFSET;
sc->sc_data = (uint8_t *)pa->pa_podule->slow_base + CSA_DATA_OFFSET;
ncr_sc->sc_pio_in = ncr5380_pio_in;
ncr_sc->sc_pio_out = ncr5380_pio_out;
/* Provide an override for the host id */
ncr_sc->sc_channel.chan_id = 7;
sprintf(hi_option, "%s.hostid", device_xname(self));
(void)get_bootconf_option(boot_args, hi_option,
BOOTOPT_TYPE_INT, &ncr_sc->sc_channel.chan_id);
ncr_sc->sc_adapter.adapt_minphys = minphys;
aprint_normal(": host=%d, using 8 bit PIO",
ncr_sc->sc_channel.chan_id);
sc->sc_irqstatus =
(uint8_t *)pa->pa_podule->slow_base + CSA_INTR_OFFSET;
sc->sc_irqmask = CSA_INTR_MASK;
evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
device_xname(self), "intr");
sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_BIO, csa_intr, sc,
&sc->sc_intrcnt);
if (sc->sc_ih == NULL)
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
if (ncr_sc->sc_flags & NCR5380_FORCE_POLLING)
aprint_normal(", polling");
aprint_normal("\n");
*sc->sc_ctrl = 0;
ncr5380_attach(ncr_sc);
}
void
oak_attach(struct device *parent, struct device *self, void *aux)
{
struct oak_softc *sc = (struct oak_softc *)self;
struct podulebus_attach_args *pa = aux;
#ifndef NCR5380_USE_BUS_SPACE
u_char *iobase;
#endif
char hi_option[sizeof(sc->sc_ncr5380.sc_dev.dv_xname) + 8];
sc->sc_ncr5380.sc_flags |= NCR5380_FORCE_POLLING;
sc->sc_ncr5380.sc_min_dma_len = 0;
sc->sc_ncr5380.sc_no_disconnect = 0xff;
sc->sc_ncr5380.sc_parity_disable = 0;
sc->sc_ncr5380.sc_dma_alloc = NULL;
sc->sc_ncr5380.sc_dma_free = NULL;
sc->sc_ncr5380.sc_dma_poll = NULL;
sc->sc_ncr5380.sc_dma_setup = NULL;
sc->sc_ncr5380.sc_dma_start = NULL;
sc->sc_ncr5380.sc_dma_eop = NULL;
sc->sc_ncr5380.sc_dma_stop = NULL;
sc->sc_ncr5380.sc_intr_on = NULL;
sc->sc_ncr5380.sc_intr_off = NULL;
#ifdef NCR5380_USE_BUS_SPACE
sc->sc_ncr5380.sc_regt = pa->pa_mod_t;
bus_space_map(sc->sc_ncr5380.sc_regt, pa->pa_mod_base, 8, 0,
&sc->sc_ncr5380.sc_regh);
sc->sc_ncr5380.sci_r0 = 0;
sc->sc_ncr5380.sci_r1 = 1;
sc->sc_ncr5380.sci_r2 = 2;
sc->sc_ncr5380.sci_r3 = 3;
sc->sc_ncr5380.sci_r4 = 4;
sc->sc_ncr5380.sci_r5 = 5;
sc->sc_ncr5380.sci_r6 = 6;
sc->sc_ncr5380.sci_r7 = 7;
#else
iobase = (u_char *)pa->pa_mod_base;
sc->sc_ncr5380.sci_r0 = iobase + 0;
sc->sc_ncr5380.sci_r1 = iobase + 4;
sc->sc_ncr5380.sci_r2 = iobase + 8;
sc->sc_ncr5380.sci_r3 = iobase + 12;
sc->sc_ncr5380.sci_r4 = iobase + 16;
sc->sc_ncr5380.sci_r5 = iobase + 20;
sc->sc_ncr5380.sci_r6 = iobase + 24;
sc->sc_ncr5380.sci_r7 = iobase + 28;
#endif
sc->sc_pdmat = pa->pa_mod_t;
bus_space_map(sc->sc_pdmat, pa->pa_mod_base + OAK_PDMA_OFFSET, 0x20, 0,
&sc->sc_pdmah);
sc->sc_ncr5380.sc_rev = NCR_VARIANT_NCR5380;
sc->sc_ncr5380.sc_pio_in = ncr5380_pio_in;
sc->sc_ncr5380.sc_pio_out = ncr5380_pio_out;
/* Provide an override for the host id */
sc->sc_ncr5380.sc_channel.chan_id = 7;
sprintf(hi_option, "%s.hostid", sc->sc_ncr5380.sc_dev.dv_xname);
(void)get_bootconf_option(boot_args, hi_option,
BOOTOPT_TYPE_INT, &sc->sc_ncr5380.sc_channel.chan_id);
sc->sc_ncr5380.sc_adapter.adapt_minphys = minphys;
printf(": host=%d, using 8 bit PIO\n",
sc->sc_ncr5380.sc_channel.chan_id);
ncr5380_attach(&sc->sc_ncr5380);
}
static void
sw_attach(device_t parent, device_t self, void *aux)
{
struct sw_softc *sc = device_private(self);
struct ncr5380_softc *ncr_sc = &sc->ncr_sc;
union obio_attach_args *uoba = aux;
struct obio4_attach_args *oba = &uoba->uoba_oba4;
bus_space_handle_t bh;
char bits[64];
int i;
ncr_sc->sc_dev = self;
sc->sc_dmatag = oba->oba_dmatag;
/* Map the controller registers. */
if (bus_space_map(oba->oba_bustag, oba->oba_paddr,
SWREG_BANK_SZ,
BUS_SPACE_MAP_LINEAR,
&bh) != 0) {
aprint_error(": cannot map registers\n");
return;
}
ncr_sc->sc_regt = oba->oba_bustag;
ncr_sc->sc_regh = bh;
sc->sc_options = sw_options;
ncr_sc->sc_dma_setup = sw_dma_setup;
ncr_sc->sc_dma_start = sw_dma_start;
ncr_sc->sc_dma_eop = sw_dma_stop;
ncr_sc->sc_dma_stop = sw_dma_stop;
ncr_sc->sc_intr_on = sw_intr_on;
ncr_sc->sc_intr_off = sw_intr_off;
/*
* Establish interrupt channel.
* Default interrupt priority always is 3. At least, that's
* what my board seems to be at. --thorpej
*/
if (oba->oba_pri == -1)
oba->oba_pri = 3;
(void)bus_intr_establish(oba->oba_bustag, oba->oba_pri, IPL_BIO,
sw_intr, sc);
aprint_normal(" pri %d\n", oba->oba_pri);
/*
* Pull in the options flags. Allow the user to completely
* override the default values.
*/
if ((device_cfdata(self)->cf_flags & SW_OPTIONS_MASK) != 0)
sc->sc_options =
device_cfdata(self)->cf_flags & SW_OPTIONS_MASK;
/*
* Initialize fields used by the MI code
*/
/* NCR5380 register bank offsets */
ncr_sc->sci_r0 = 0;
ncr_sc->sci_r1 = 1;
ncr_sc->sci_r2 = 2;
ncr_sc->sci_r3 = 3;
ncr_sc->sci_r4 = 4;
ncr_sc->sci_r5 = 5;
ncr_sc->sci_r6 = 6;
ncr_sc->sci_r7 = 7;
ncr_sc->sc_rev = NCR_VARIANT_NCR5380;
/*
* MD function pointers used by the MI code.
*/
ncr_sc->sc_pio_out = ncr5380_pio_out;
ncr_sc->sc_pio_in = ncr5380_pio_in;
ncr_sc->sc_dma_alloc = sw_dma_alloc;
ncr_sc->sc_dma_free = sw_dma_free;
ncr_sc->sc_dma_poll = sw_dma_poll;
ncr_sc->sc_flags = 0;
if ((sc->sc_options & SW_DO_RESELECT) == 0)
ncr_sc->sc_no_disconnect = 0xFF;
if ((sc->sc_options & SW_DMA_INTR) == 0)
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
ncr_sc->sc_min_dma_len = MIN_DMA_LEN;
/*
* Allocate DMA handles.
*/
i = SCI_OPENINGS * sizeof(struct sw_dma_handle);
sc->sc_dma = (struct sw_dma_handle *)malloc(i, M_DEVBUF, M_NOWAIT);
if (sc->sc_dma == NULL)
panic("sw: DMA handle malloc failed");
for (i = 0; i < SCI_OPENINGS; i++) {
sc->sc_dma[i].dh_flags = 0;
/* Allocate a DMA handle */
if (bus_dmamap_create(
sc->sc_dmatag, /* tag */
MAXPHYS, /* size */
1, /* nsegments */
MAXPHYS, /* maxsegsz */
0, /* boundary */
BUS_DMA_NOWAIT,
&sc->sc_dma[i].dh_dmamap) != 0) {
aprint_error_dev(self, "DMA buffer map create error\n");
return;
}
}
if (sc->sc_options) {
aprint_normal_dev(self, "options=%s\n",
bitmask_snprintf(sc->sc_options, SW_OPTIONS_BITS,
bits, sizeof(bits)));
}
ncr_sc->sc_channel.chan_id = 7;
ncr_sc->sc_adapter.adapt_minphys = sw_minphys;
/* Initialize sw board */
sw_reset_adapter(ncr_sc);
/* Attach the ncr5380 chip driver */
ncr5380_attach(ncr_sc);
}
