static int sun3scsi_detect(struct scsi_host_template * tpnt)
{
unsigned long ioaddr, irq = 0;
static int called = 0;
struct Scsi_Host *instance;
int i;
unsigned long addrs[3] = { IOBASE_SUN3_VMESCSI,
IOBASE_SUN3_VMESCSI + 0x4000,
0 };
unsigned long vecs[3] = { SUN3_VEC_VMESCSI0,
SUN3_VEC_VMESCSI1,
0 };
/* check that this machine has an onboard 5380 */
switch(idprom->id_machtype) {
case SM_SUN3|SM_3_160:
case SM_SUN3|SM_3_260:
break;
default:
return 0;
}
if(called)
return 0;
tpnt->proc_name = "Sun3 5380 VME SCSI";
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
ioaddr = 0;
for(i = 0; addrs[i] != 0; i++) {
unsigned char x;
ioaddr = (unsigned long)sun3_ioremap(addrs[i], PAGE_SIZE,
SUN3_PAGE_TYPE_VME16);
irq = vecs[i];
sun3_scsi_regp = (unsigned char *)ioaddr;
dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);
if(sun3_map_test((unsigned long)dregs, &x)) {
unsigned short oldcsr;
oldcsr = dregs->csr;
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
if(dregs->csr == 0x1400)
break;
dregs->csr = oldcsr;
}
iounmap((void *)ioaddr);
ioaddr = 0;
}
if(!ioaddr)
return 0;
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
return 0;
default_instance = instance;
instance->io_port = (unsigned long) ioaddr;
instance->irq = irq;
NCR5380_init(instance, 0);
instance->n_io_port = 32;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (request_irq(instance->irq, scsi_sun3_intr,
0, "Sun3SCSI-5380VME", instance)) {
#ifndef REAL_DMA
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
#else
printk("scsi%d: IRQ%d not free, bailing out\n",
instance->host_no, instance->irq);
return 0;
#endif
}
printk("scsi%d: Sun3 5380 VME at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun,
SUN3SCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;
udelay(SUN3_DMA_DELAY);
dregs->fifo_count = 0;
dregs->fifo_count_hi = 0;
dregs->dma_addr_hi = 0;
dregs->dma_addr_lo = 0;
dregs->dma_count_hi = 0;
dregs->dma_count_lo = 0;
dregs->ivect = VME_DATA24 | (instance->irq & 0xff);
called = 1;
#ifdef RESET_BOOT
sun3_scsi_reset_boot(instance);
#endif
return 1;
}
int sun3scsi_detect(struct scsi_host_template * tpnt)
{
unsigned long ioaddr;
static int called = 0;
struct Scsi_Host *instance;
/* check that this machine has an onboard 5380 */
switch(idprom->id_machtype) {
case SM_SUN3|SM_3_50:
case SM_SUN3|SM_3_60:
break;
default:
return 0;
}
if(called)
return 0;
tpnt->proc_name = "Sun3 5380 SCSI";
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
ioaddr = (unsigned long)ioremap(IOBASE_SUN3_SCSI, PAGE_SIZE);
sun3_scsi_regp = (unsigned char *)ioaddr;
dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);
if((udc_regs = dvma_malloc(sizeof(struct sun3_udc_regs)))
== NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
#ifdef OLDDMA
if((dmabuf = dvma_malloc_align(SUN3_DVMA_BUFSIZE, 0x10000)) == NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
#endif
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
return 0;
default_instance = instance;
instance->io_port = (unsigned long) ioaddr;
instance->irq = IRQ_SUN3_SCSI;
NCR5380_init(instance, 0);
instance->n_io_port = 32;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (request_irq(instance->irq, scsi_sun3_intr,
0, "Sun3SCSI-5380", instance)) {
#ifndef REAL_DMA
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
#else
printk("scsi%d: IRQ%d not free, bailing out\n",
instance->host_no, instance->irq);
return 0;
#endif
}
printk("scsi%d: Sun3 5380 at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun,
SUN3SCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;
udelay(SUN3_DMA_DELAY);
dregs->fifo_count = 0;
called = 1;
#ifdef RESET_BOOT
sun3_scsi_reset_boot(instance);
#endif
return 1;
}