#endif /* CONFIG_PPC_OF */
#define DRV_NAME "sata_svw"
-#define DRV_VERSION "2.1"
+#define DRV_VERSION "2.3"
enum {
- K2_FLAG_NO_ATAPI_DMA = (1 << 29),
+ /* ap->flags bits */
+ K2_FLAG_SATA_8_PORTS = (1 << 24),
+ K2_FLAG_NO_ATAPI_DMA = (1 << 25),
/* Taskfile registers offsets */
K2_SATA_TF_CMD_OFFSET = 0x00,
board_svw8 = 1,
};
-static const struct k2_board_info {
- unsigned int n_ports;
- unsigned long port_flags;
-} k2_board_info[] = {
- /* board_svw4 */
- { 4, K2_FLAG_NO_ATAPI_DMA },
-
- /* board_svw8 */
- { 8, K2_FLAG_NO_ATAPI_DMA },
-};
-
static u8 k2_stat_check_status(struct ata_port *ap);
return 0;
}
-static u32 k2_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
+static int k2_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
{
if (sc_reg > SCR_CONTROL)
- return 0xffffffffU;
- return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ return -EINVAL;
+ *val = readl(ap->ioaddr.scr_addr + (sc_reg * 4));
+ return 0;
}
-static void k2_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
- u32 val)
+static int k2_sata_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val)
{
if (sc_reg > SCR_CONTROL)
- return;
- writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ return -EINVAL;
+ writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
+ return 0;
}
tf->hob_lbal = lbal >> 8;
tf->hob_lbam = lbam >> 8;
tf->hob_lbah = lbah >> 8;
- }
+ }
}
/**
* spin_lock_irqsave(host lock)
*/
-static void k2_bmdma_setup_mmio (struct ata_queued_cmd *qc)
+static void k2_bmdma_setup_mmio(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
u8 dmactl;
- void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr;
+ void __iomem *mmio = ap->ioaddr.bmdma_addr;
+
/* load PRD table addr. */
mb(); /* make sure PRD table writes are visible to controller */
writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS);
* spin_lock_irqsave(host lock)
*/
-static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
+static void k2_bmdma_start_mmio(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
- void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr;
+ void __iomem *mmio = ap->ioaddr.bmdma_addr;
u8 dmactl;
/* start host DMA transaction */
static u8 k2_stat_check_status(struct ata_port *ap)
{
- return readl((void __iomem *) ap->ioaddr.status_addr);
+ return readl(ap->ioaddr.status_addr);
}
#ifdef CONFIG_PPC_OF
static const struct ata_port_operations k2_sata_ops = {
- .port_disable = ata_port_disable,
.tf_load = k2_sata_tf_load,
.tf_read = k2_sata_tf_read,
.check_status = k2_stat_check_status,
.thaw = ata_bmdma_thaw,
.error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
- .irq_ack = ata_irq_ack,
.scr_read = k2_sata_scr_read,
.scr_write = k2_sata_scr_write,
.port_start = ata_port_start,
};
+static const struct ata_port_info k2_port_info[] = {
+ /* board_svw4 */
+ {
+ .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA,
+ .pio_mask = 0x1f,
+ .mwdma_mask = 0x07,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &k2_sata_ops,
+ },
+ /* board_svw8 */
+ {
+ .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA |
+ K2_FLAG_SATA_8_PORTS,
+ .pio_mask = 0x1f,
+ .mwdma_mask = 0x07,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &k2_sata_ops,
+ },
+};
+
static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base)
{
port->cmd_addr = base + K2_SATA_TF_CMD_OFFSET;
}
-static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
- struct device *dev = &pdev->dev;
- struct ata_probe_ent *probe_ent;
+ const struct ata_port_info *ppi[] =
+ { &k2_port_info[ent->driver_data], NULL };
+ struct ata_host *host;
void __iomem *mmio_base;
- const struct k2_board_info *board_info =
- &k2_board_info[ent->driver_data];
- int rc;
- int i;
+ int n_ports, i, rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
+ /* allocate host */
+ n_ports = 4;
+ if (ppi[0]->flags & K2_FLAG_SATA_8_PORTS)
+ n_ports = 8;
+
+ host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
+ if (!host)
+ return -ENOMEM;
+
/*
* If this driver happens to only be useful on Apple's K2, then
* we should check that here as it has a normal Serverworks ID
rc = pcim_enable_device(pdev);
if (rc)
return rc;
+
/*
* Check if we have resources mapped at all (second function may
* have been disabled by firmware)
pcim_pin_device(pdev);
if (rc)
return rc;
+ host->iomap = pcim_iomap_table(pdev);
+ mmio_base = host->iomap[5];
+
+ /* different controllers have different number of ports - currently 4 or 8 */
+ /* All ports are on the same function. Multi-function device is no
+ * longer available. This should not be seen in any system. */
+ for (i = 0; i < host->n_ports; i++) {
+ struct ata_port *ap = host->ports[i];
+ unsigned int offset = i * K2_SATA_PORT_OFFSET;
+
+ k2_sata_setup_port(&ap->ioaddr, mmio_base + offset);
+
+ ata_port_pbar_desc(ap, 5, -1, "mmio");
+ ata_port_pbar_desc(ap, 5, offset, "port");
+ }
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
if (rc)
return rc;
- probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
- if (probe_ent == NULL)
- return -ENOMEM;
-
- probe_ent->dev = pci_dev_to_dev(pdev);
- INIT_LIST_HEAD(&probe_ent->node);
-
- probe_ent->sht = &k2_sata_sht;
- probe_ent->port_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_MMIO | board_info->port_flags;
- probe_ent->port_ops = &k2_sata_ops;
- probe_ent->n_ports = 4;
- probe_ent->irq = pdev->irq;
- probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->iomap = pcim_iomap_table(pdev);
-
- /* We don't care much about the PIO/UDMA masks, but the core won't like us
- * if we don't fill these
- */
- probe_ent->pio_mask = 0x1f;
- probe_ent->mwdma_mask = 0x7;
- probe_ent->udma_mask = 0x7f;
-
- mmio_base = probe_ent->iomap[5];
-
- /* different controllers have different number of ports - currently 4 or 8 */
- /* All ports are on the same function. Multi-function device is no
- * longer available. This should not be seen in any system. */
- for (i = 0; i < board_info->n_ports; i++)
- k2_sata_setup_port(&probe_ent->port[i],
- mmio_base + i * K2_SATA_PORT_OFFSET);
-
/* Clear a magic bit in SCR1 according to Darwin, those help
* some funky seagate drives (though so far, those were already
* set by the firmware on the machines I had access to)
writel(0x0, mmio_base + K2_SATA_SIM_OFFSET);
pci_set_master(pdev);
-
- if (!ata_device_add(probe_ent))
- return -ENODEV;
-
- devm_kfree(dev, probe_ent);
- return 0;
+ return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED,
+ &k2_sata_sht);
}
/* 0x240 is device ID for Apple K2 device
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff