static int
comprobe1(int iobase)
{
if (badbaddr((void *)pio(iobase, com_lcr)))
return 0;
/* force access to id reg */
outb(pio(iobase , com_lcr), 0);
outb(pio(iobase , com_iir), 0);
if (inb(pio(iobase , com_iir)) & 0x38)
return 0;
return 1;
}
static int
slhci_intio_match(device_t parent, cfdata_t cf, void *aux)
{
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
bus_space_handle_t nch;
int nc_addr;
int nc_size;
if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
ia->ia_addr = SLHCI_INTIO_ADDR1;
if (ia->ia_intr == INTIOCF_INTR_DEFAULT)
ia->ia_intr = SLHCI_INTIO_INTR1;
/* fixed parameters */
if ( !(ia->ia_addr == SLHCI_INTIO_ADDR1 &&
ia->ia_intr == SLHCI_INTIO_INTR1 ) &&
!(ia->ia_addr == SLHCI_INTIO_ADDR2 &&
ia->ia_intr == SLHCI_INTIO_INTR2 ) )
return 0;
/* Whether the SL811 port is accessible or not */
if (badaddr((void *)IIOV(ia->ia_addr)))
return 0;
/* Whether the control port is accessible or not */
nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET;
nc_size = 0x02;
if (badbaddr((void *)IIOV(nc_addr)))
return 0;
/* Map two I/O spaces */
ia->ia_size = SL11_PORTSIZE * 2;
if (bus_space_map(iot, ia->ia_addr, ia->ia_size,
BUS_SPACE_MAP_SHIFTED, &ioh))
return 0;
if (bus_space_map(iot, nc_addr, nc_size,
BUS_SPACE_MAP_SHIFTED, &nch))
return 0;
bus_space_unmap(iot, ioh, ia->ia_size);
bus_space_unmap(iot, nch, nc_size);
return 1;
}
/* from boot_ufs/bootmain.c */
static int
get_scsi_host_adapter(void)
{
char *bootrom;
int ha;
bootrom = (char *) (IOCS_BOOTINF() & 0x00ffffe0);
/*
* bootrom+0x24 "SCSIIN" ... Internal SCSI (spc@0)
* "SCSIEX" ... External SCSI (spc@1 or mha@0)
*/
if (*(u_short *)(bootrom + 0x24 + 4) == 0x494e) { /* "IN" */
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 0;
} else if (badbaddr(EXSCSI_BDID)) {
ha = (X68K_BOOT_SCSIIF_MHA << 4) | 0;
} else {
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 1;
}
return ha;
}
void
dmainit()
{
register struct dmareg *dma = (struct dmareg *)DMA_BASE;
register struct dma_softc *dc;
register int i;
char rev;
/*
* Determine the DMA type.
* Don't know how to easily differentiate the A and B cards,
* so we just hope nobody has an A card (A cards will work if
* DMAINTLVL is set to 3).
*/
if (!badbaddr((char *)&dma->dma_id[2]))
rev = dma->dma_id[2];
else {
rev = 'B';
#if !defined(HP320)
panic("dmainit: DMA card requires hp320 support");
#endif
}
dc = &dma_softc[0];
for (i = 0; i < NDMA; i++) {
dc->sc_hwaddr = (i & 1) ? &dma->dma_chan1 : &dma->dma_chan0;
dc->sc_Bhwaddr = (i & 1) ? &dma->dma_Bchan1 : &dma->dma_Bchan0;
dc->sc_type = rev == 'B' ? DMA_B : DMA_C;
dc++;
dmachan[i].dq_forw = dmachan[i].dq_back = &dmachan[i];
}
dmachan[i].dq_forw = dmachan[i].dq_back = &dmachan[i];
#ifdef DEBUG
/* make sure timeout is really not needed */
timeout(dmatimeout, 0, 30 * hz);
#endif
printf("dma: 98620%c with 2 channels, %d bit DMA\n",
rev, rev == 'B' ? 16 : 32);
}
/*
* Check the type of SCSI interface
*/
static int
get_scsi_host_adapter(char *devstr)
{
uint8_t *bootrom;
int ha;
#ifdef XXBOOT_DEBUG
*(uint32_t *)(devstr + 0) = '/' << 24 | 's' << 16 | 'p' << 8 | 'c';
#if defined(CDBOOT)
*(uint32_t *)(devstr + 4) = '@' << 24 | '0' << 16 | '/' << 8 | 'c';
#else
*(uint32_t *)(devstr + 4) = '@' << 24 | '0' << 16 | '/' << 8 | 's';
#endif
*(uint32_t *)(devstr + 8) = 'd' << 24 | '@' << 16 | '0' << 8 | ',';
*(uint32_t *)(devstr + 12) = '0' << 24 | ':' << 16 | 'a' << 8 | '\0';
#endif
bootrom = (uint8_t *)(BOOT_INFO & 0x00ffffe0);
/*
* bootrom+0x24 "SCSIIN" ... Internal SCSI (spc@0)
* "SCSIEX" ... External SCSI (spc@1 or mha@0)
*/
if (*(uint16_t *)(bootrom + 0x24 + 4) == 0x494e) { /* "IN" */
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 0;
} else if (badbaddr(EXSCSI_BDID)) {
ha = (X68K_BOOT_SCSIIF_MHA << 4) | 0;
#ifdef XXBOOT_DEBUG
*(uint32_t *)devstr = '/' << 24 | 'm' << 16 | 'h' << 8 | 'a';
#endif
} else {
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 1;
#ifdef XXBOOT_DEBUG
devstr[5] = '1';
#endif
}
return ha;
}
