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path: root/drivers/ata/sata_promise.c
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Diffstat (limited to 'drivers/ata/sata_promise.c')
-rw-r--r--drivers/ata/sata_promise.c55
1 files changed, 27 insertions, 28 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index e09c609..4fb47ca 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -50,6 +50,8 @@
enum {
+ PDC_MMIO_BAR = 3,
+
/* register offsets */
PDC_FEATURE = 0x04, /* Feature/Error reg (per port) */
PDC_SECTOR_COUNT = 0x08, /* Sector count reg (per port) */
@@ -167,7 +169,7 @@ static const struct ata_port_operations pdc_sata_ops = {
.thaw = pdc_thaw,
.error_handler = pdc_error_handler,
.post_internal_cmd = pdc_post_internal_cmd,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
@@ -192,7 +194,7 @@ static const struct ata_port_operations pdc_old_sata_ops = {
.thaw = pdc_thaw,
.error_handler = pdc_error_handler,
.post_internal_cmd = pdc_post_internal_cmd,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
@@ -214,7 +216,7 @@ static const struct ata_port_operations pdc_pata_ops = {
.qc_prep = pdc_qc_prep,
.qc_issue = pdc_qc_issue_prot,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.eng_timeout = pdc_eng_timeout,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
@@ -348,7 +350,7 @@ static int pdc_port_start(struct ata_port *ap)
static void pdc_reset_port(struct ata_port *ap)
{
- void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
+ void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT;
unsigned int i;
u32 tmp;
@@ -394,7 +396,7 @@ static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
{
if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
return 0xffffffffU;
- return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ return readl(ap->ioaddr.scr_addr + (sc_reg * 4));
}
@@ -403,7 +405,7 @@ static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
{
if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
return;
- writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
}
static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
@@ -627,7 +629,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
{
unsigned int handled = 0;
u32 tmp;
- void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
+ void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
tmp = readl(mmio);
if (tmp & PDC_ERR_MASK) {
@@ -656,7 +658,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
static void pdc_irq_clear(struct ata_port *ap)
{
struct ata_host *host = ap->host;
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
readl(mmio + PDC_INT_SEQMASK);
}
@@ -672,12 +674,12 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
VPRINTK("ENTER\n");
- if (!host || !host->mmio_base) {
+ if (!host || !host->iomap[PDC_MMIO_BAR]) {
VPRINTK("QUICK EXIT\n");
return IRQ_NONE;
}
- mmio_base = host->mmio_base;
+ mmio_base = host->iomap[PDC_MMIO_BAR];
/* reading should also clear interrupts */
mask = readl(mmio_base + PDC_INT_SEQMASK);
@@ -722,18 +724,19 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct pdc_port_priv *pp = ap->private_data;
+ void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR];
unsigned int port_no = ap->port_no;
u8 seq = (u8) (port_no + 1);
VPRINTK("ENTER, ap %p\n", ap);
- writel(0x00000001, ap->host->mmio_base + (seq * 4));
- readl(ap->host->mmio_base + (seq * 4)); /* flush */
+ writel(0x00000001, mmio + (seq * 4));
+ readl(mmio + (seq * 4)); /* flush */
pp->pkt[2] = seq;
wmb(); /* flush PRD, pkt writes */
- writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
+ writel(pp->pkt_dma, ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
}
static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
@@ -808,7 +811,7 @@ static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc)
return pdc_check_atapi_dma(qc);
}
-static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
+static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base)
{
port->cmd_addr = base;
port->data_addr = base;
@@ -828,7 +831,7 @@ static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
{
- void __iomem *mmio = pe->mmio_base;
+ void __iomem *mmio = pe->iomap[PDC_MMIO_BAR];
struct pdc_host_priv *hp = pe->private_data;
int hotplug_offset;
u32 tmp;
@@ -884,8 +887,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
static int printed_version;
struct ata_probe_ent *probe_ent;
struct pdc_host_priv *hp;
- unsigned long base;
- void __iomem *mmio_base;
+ void __iomem *base;
unsigned int board_idx = (unsigned int) ent->driver_data;
int rc;
u8 tmp;
@@ -897,11 +899,11 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
if (rc)
return rc;
- rc = pci_request_regions(pdev, DRV_NAME);
- if (rc) {
+ rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME);
+ if (rc == -EBUSY)
pcim_pin_device(pdev);
+ if (rc)
return rc;
- }
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
@@ -917,11 +919,6 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
probe_ent->dev = pci_dev_to_dev(pdev);
INIT_LIST_HEAD(&probe_ent->node);
- mmio_base = pcim_iomap(pdev, 3, 0);
- if (mmio_base == NULL)
- return -ENOMEM;
- base = (unsigned long) mmio_base;
-
hp = devm_kzalloc(&pdev->dev, sizeof(*hp), GFP_KERNEL);
if (hp == NULL)
return -ENOMEM;
@@ -937,7 +934,9 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
probe_ent->irq = pdev->irq;
probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->mmio_base = mmio_base;
+ probe_ent->iomap = pcim_iomap_table(pdev);
+
+ base = probe_ent->iomap[PDC_MMIO_BAR];
pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
@@ -964,7 +963,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
/* Fall through */
case board_2037x:
/* TX2plus boards also have a PATA port */
- tmp = readb(mmio_base + PDC_FLASH_CTL+1);
+ tmp = readb(base + PDC_FLASH_CTL+1);
if (!(tmp & 0x80)) {
probe_ent->n_ports = 3;
pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
generated by cgit v0.10.2 at 2024-11-21 10:03:22 (GMT)