unsigned int mwdma_mask;
unsigned int nr_ports;
const struct portinfo *port[2];
+ unsigned long raw_base;
+ unsigned long raw_ioc_base;
};
#define ICS_TYPE_A3IN 0
struct pata_icside_state *state = ap->host->private_data;
struct scatterlist *sg, *rsg = state->sg;
unsigned int write = qc->tf.flags & ATA_TFLAG_WRITE;
+ unsigned int si;
/*
* We are simplex; BUG if we try to fiddle with DMA
/*
* Copy ATAs scattered sg list into a contiguous array of sg
*/
- ata_for_each_sg(sg, qc) {
+ for_each_sg(qc->sg, sg, qc->n_elem, si) {
memcpy(rsg, sg, sizeof(*sg));
rsg++;
}
}
-static int pata_icside_port_start(struct ata_port *ap)
-{
- /* No PRD to alloc */
- return ata_pad_alloc(ap, ap->dev);
-}
-
static struct scsi_host_template pata_icside_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
{
}
-/*
- * We need to shut down unused ports to prevent spurious interrupts.
- * FIXME: the libata core doesn't call this function for PATA interfaces.
- */
-static void pata_icside_port_disable(struct ata_port *ap)
+static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)
{
+ struct ata_port *ap = link->ap;
struct pata_icside_state *state = ap->host->private_data;
- ata_port_printk(ap, KERN_ERR, "disabling icside port\n");
-
- ata_port_disable(ap);
+ if (classes[0] != ATA_DEV_NONE || classes[1] != ATA_DEV_NONE)
+ return ata_std_postreset(link, classes);
state->port[ap->port_no].disabled = 1;
}
}
-static u8 pata_icside_irq_ack(struct ata_port *ap, unsigned int chk_drq)
+static void pata_icside_error_handler(struct ata_port *ap)
{
- unsigned int bits = chk_drq ? ATA_BUSY | ATA_DRQ : ATA_BUSY;
- u8 status;
-
- status = ata_busy_wait(ap, bits, 1000);
- if (status & bits)
- if (ata_msg_err(ap))
- printk(KERN_ERR "abnormal status 0x%X\n", status);
-
- if (ata_msg_intr(ap))
- printk(KERN_INFO "%s: irq ack: drv_stat 0x%X\n",
- __FUNCTION__, status);
-
- return status;
+ ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,
+ pata_icside_postreset);
}
static struct ata_port_operations pata_icside_port_ops = {
- .port_disable = pata_icside_port_disable,
-
.set_dmamode = pata_icside_set_dmamode,
.tf_load = ata_tf_load,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
+ .error_handler = pata_icside_error_handler,
.post_internal_cmd = pata_icside_bmdma_stop,
.irq_clear = ata_dummy_noret,
.irq_on = ata_irq_on,
- .irq_ack = pata_icside_irq_ack,
-
- .port_start = pata_icside_port_start,
.bmdma_stop = pata_icside_bmdma_stop,
.bmdma_status = pata_icside_bmdma_status,
};
static void __devinit
-pata_icside_setup_ioaddr(struct ata_ioports *ioaddr, void __iomem *base,
- const struct portinfo *info)
+pata_icside_setup_ioaddr(struct ata_port *ap, void __iomem *base,
+ struct pata_icside_info *info,
+ const struct portinfo *port)
{
- void __iomem *cmd = base + info->dataoffset;
+ struct ata_ioports *ioaddr = &ap->ioaddr;
+ void __iomem *cmd = base + port->dataoffset;
ioaddr->cmd_addr = cmd;
- ioaddr->data_addr = cmd + (ATA_REG_DATA << info->stepping);
- ioaddr->error_addr = cmd + (ATA_REG_ERR << info->stepping);
- ioaddr->feature_addr = cmd + (ATA_REG_FEATURE << info->stepping);
- ioaddr->nsect_addr = cmd + (ATA_REG_NSECT << info->stepping);
- ioaddr->lbal_addr = cmd + (ATA_REG_LBAL << info->stepping);
- ioaddr->lbam_addr = cmd + (ATA_REG_LBAM << info->stepping);
- ioaddr->lbah_addr = cmd + (ATA_REG_LBAH << info->stepping);
- ioaddr->device_addr = cmd + (ATA_REG_DEVICE << info->stepping);
- ioaddr->status_addr = cmd + (ATA_REG_STATUS << info->stepping);
- ioaddr->command_addr = cmd + (ATA_REG_CMD << info->stepping);
-
- ioaddr->ctl_addr = base + info->ctrloffset;
+ ioaddr->data_addr = cmd + (ATA_REG_DATA << port->stepping);
+ ioaddr->error_addr = cmd + (ATA_REG_ERR << port->stepping);
+ ioaddr->feature_addr = cmd + (ATA_REG_FEATURE << port->stepping);
+ ioaddr->nsect_addr = cmd + (ATA_REG_NSECT << port->stepping);
+ ioaddr->lbal_addr = cmd + (ATA_REG_LBAL << port->stepping);
+ ioaddr->lbam_addr = cmd + (ATA_REG_LBAM << port->stepping);
+ ioaddr->lbah_addr = cmd + (ATA_REG_LBAH << port->stepping);
+ ioaddr->device_addr = cmd + (ATA_REG_DEVICE << port->stepping);
+ ioaddr->status_addr = cmd + (ATA_REG_STATUS << port->stepping);
+ ioaddr->command_addr = cmd + (ATA_REG_CMD << port->stepping);
+
+ ioaddr->ctl_addr = base + port->ctrloffset;
ioaddr->altstatus_addr = ioaddr->ctl_addr;
+
+ ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx",
+ info->raw_base + port->dataoffset,
+ info->raw_base + port->ctrloffset);
+
+ if (info->raw_ioc_base)
+ ata_port_desc(ap, "iocbase 0x%lx", info->raw_ioc_base);
}
static int __devinit pata_icside_register_v5(struct pata_icside_info *info)
info->nr_ports = 1;
info->port[0] = &pata_icside_portinfo_v5;
+ info->raw_base = ecard_resource_start(info->ec, ECARD_RES_MEMC);
+
return 0;
}
state->port[0].port_sel = sel;
state->port[1].port_sel = sel | 1;
- /*
- * FIXME: work around libata's aversion to calling port_disable.
- * This permanently disables interrupts on port 0 - bad luck if
- * you have a drive on that port.
- */
- state->port[0].disabled = 1;
-
info->base = easi_base;
info->irqops = &pata_icside_ops_arcin_v6;
info->nr_ports = 2;
info->port[0] = &pata_icside_portinfo_v6_1;
info->port[1] = &pata_icside_portinfo_v6_2;
+ info->raw_base = ecard_resource_start(ec, ECARD_RES_EASI);
+ info->raw_ioc_base = ecard_resource_start(ec, ECARD_RES_IOCFAST);
+
return icside_dma_init(info);
}
ap->pio_mask = 0x1f;
ap->mwdma_mask = info->mwdma_mask;
- ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
ap->ops = &pata_icside_port_ops;
- pata_icside_setup_ioaddr(&ap->ioaddr, info->base, info->port[i]);
+ pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]);
}
return ata_host_activate(host, ec->irq, ata_interrupt, 0,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff