submit ATA packet to hardware
hardware executes ATA WRITE command, w/ data in DIMM
hardware raises interrupt
-
+
and each READ looks like this:
submit ATA packet to hardware
hardware executes ATA READ command, w/ data in DIMM
hardware raises interrupt
-
+
submit HDMA packet to hardware
hardware copies data from DIMM to system memory
hardware raises interrupt
};
static const struct ata_port_operations pdc_20621_ops = {
- .port_disable = ata_port_disable,
.tf_load = pdc_tf_load_mmio,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.eng_timeout = pdc_eng_timeout,
.irq_clear = pdc20621_irq_clear,
.irq_on = ata_irq_on,
- .irq_ack = ata_irq_ack,
.port_start = pdc_port_start,
};
!(ap->flags & ATA_FLAG_DISABLED)) {
struct ata_queued_cmd *qc;
- qc = ata_qc_from_tag(ap, ap->active_tag);
+ qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
handled += pdc20621_host_intr(ap, qc, (i > 4),
mmio_base);
spin_lock_irqsave(&host->lock, flags);
- qc = ata_qc_from_tag(ap, ap->active_tag);
+ qc = ata_qc_from_tag(ap, ap->link.active_tag);
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
return 0;
if (pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, 9, &data)) {
- if(data <= 0x75)
+ if (data <= 0x75)
return 133;
} else
return 0;
If SX4 is on PCI-X bus, after 3 seconds, the timer counter
register should be >= (0xffffffff - 3x10^8).
*/
- if(tcount >= PCI_X_TCOUNT) {
+ if (tcount >= PCI_X_TCOUNT) {
ticks = (time_period - tcount);
VPRINTK("Num counters 0x%x (%d)\n", ticks, ticks);
const struct ata_port_info *ppi[] =
{ &pdc_port_info[ent->driver_data], NULL };
struct ata_host *host;
- void __iomem *base;
struct pdc_host_priv *hpriv;
- int rc;
+ int i, rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
return rc;
host->iomap = pcim_iomap_table(pdev);
- base = host->iomap[PDC_MMIO_BAR] + PDC_CHIP0_OFS;
- pdc_sata_setup_port(&host->ports[0]->ioaddr, base + 0x200);
- pdc_sata_setup_port(&host->ports[1]->ioaddr, base + 0x280);
- pdc_sata_setup_port(&host->ports[2]->ioaddr, base + 0x300);
- pdc_sata_setup_port(&host->ports[3]->ioaddr, base + 0x380);
+ for (i = 0; i < 4; i++) {
+ struct ata_port *ap = host->ports[i];
+ void __iomem *base = host->iomap[PDC_MMIO_BAR] + PDC_CHIP0_OFS;
+ unsigned int offset = 0x200 + i * 0x80;
+
+ pdc_sata_setup_port(&ap->ioaddr, base + offset);
+
+ ata_port_pbar_desc(ap, PDC_MMIO_BAR, -1, "mmio");
+ ata_port_pbar_desc(ap, PDC_DIMM_BAR, -1, "dimm");
+ ata_port_pbar_desc(ap, PDC_MMIO_BAR, offset, "port");
+ }
/* configure and activate */
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);