diff options
author | Tejun Heo <htejun@gmail.com> | 2008-04-30 16:35:16 +0900 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2008-05-06 11:40:56 -0400 |
commit | ba66b242b1c3432b44d893c64124522b3bdce71e (patch) | |
tree | 5b698d3c8e1c3b88e559f8479e2e8fc591470cb9 | |
parent | f8b0685a8ea8e3974f8953378ede2111f8d49d22 (diff) | |
download | linux-ba66b242b1c3432b44d893c64124522b3bdce71e.tar.gz linux-ba66b242b1c3432b44d893c64124522b3bdce71e.tar.bz2 linux-ba66b242b1c3432b44d893c64124522b3bdce71e.zip |
sata_inic162x: add cardbus support
When attached to cardbus, mmio region is at BAR 1. Other than that,
everything else is the same. Add support for it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
-rw-r--r-- | drivers/ata/sata_inic162x.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 55f8e93ac48e..8c1f06a3c8fd 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -31,7 +31,8 @@ #define DRV_VERSION "0.3" enum { - MMIO_BAR = 5, + MMIO_BAR_PCI = 5, + MMIO_BAR_CARDBUS = 1, NR_PORTS = 2, @@ -197,6 +198,7 @@ struct inic_pkt { } __packed; struct inic_host_priv { + void __iomem *mmio_base; u16 cached_hctl; }; @@ -221,7 +223,9 @@ static const int scr_map[] = { static void __iomem *inic_port_base(struct ata_port *ap) { - return ap->host->iomap[MMIO_BAR] + ap->port_no * PORT_SIZE; + struct inic_host_priv *hpriv = ap->host->private_data; + + return hpriv->mmio_base + ap->port_no * PORT_SIZE; } static void inic_reset_port(void __iomem *port_base) @@ -378,11 +382,11 @@ static void inic_host_intr(struct ata_port *ap) static irqreturn_t inic_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; - void __iomem *mmio_base = host->iomap[MMIO_BAR]; + struct inic_host_priv *hpriv = host->private_data; u16 host_irq_stat; int i, handled = 0;; - host_irq_stat = readw(mmio_base + HOST_IRQ_STAT); + host_irq_stat = readw(hpriv->mmio_base + HOST_IRQ_STAT); if (unlikely(!(host_irq_stat & HIRQ_GLOBAL))) goto out; @@ -770,7 +774,6 @@ static int inic_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); struct inic_host_priv *hpriv = host->private_data; - void __iomem *mmio_base = host->iomap[MMIO_BAR]; int rc; rc = ata_pci_device_do_resume(pdev); @@ -778,7 +781,7 @@ static int inic_pci_device_resume(struct pci_dev *pdev) return rc; if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { - rc = init_controller(mmio_base, hpriv->cached_hctl); + rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl); if (rc) return rc; } @@ -796,6 +799,7 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) struct ata_host *host; struct inic_host_priv *hpriv; void __iomem * const *iomap; + int mmio_bar; int i, rc; if (!printed_version++) @@ -809,22 +813,30 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) host->private_data = hpriv; - /* acquire resources and fill host */ + /* Acquire resources and fill host. Note that PCI and cardbus + * use different BARs. + */ rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pcim_iomap_regions(pdev, 1 << MMIO_BAR, DRV_NAME); + if (pci_resource_flags(pdev, MMIO_BAR_PCI) & IORESOURCE_MEM) + mmio_bar = MMIO_BAR_PCI; + else + mmio_bar = MMIO_BAR_CARDBUS; + + rc = pcim_iomap_regions(pdev, 1 << mmio_bar, DRV_NAME); if (rc) return rc; host->iomap = iomap = pcim_iomap_table(pdev); - hpriv->cached_hctl = readw(iomap[MMIO_BAR] + HOST_CTL); + hpriv->mmio_base = iomap[mmio_bar]; + hpriv->cached_hctl = readw(hpriv->mmio_base + HOST_CTL); for (i = 0; i < NR_PORTS; i++) { struct ata_port *ap = host->ports[i]; - ata_port_pbar_desc(ap, MMIO_BAR, -1, "mmio"); - ata_port_pbar_desc(ap, MMIO_BAR, i * PORT_SIZE, "port"); + ata_port_pbar_desc(ap, mmio_bar, -1, "mmio"); + ata_port_pbar_desc(ap, mmio_bar, i * PORT_SIZE, "port"); } /* Set dma_mask. This devices doesn't support 64bit addressing. */ @@ -854,7 +866,7 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } - rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl); + rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl); if (rc) { dev_printk(KERN_ERR, &pdev->dev, "failed to initialize controller\n"); |