diff options
Diffstat (limited to 'drivers/ata/sata_svw.c')
| -rw-r--r-- | drivers/ata/sata_svw.c | 109 |
1 files changed, 51 insertions, 58 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 4e428999420..cc07aac10e8 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -53,10 +53,12 @@ #endif /* CONFIG_PPC_OF */ #define DRV_NAME "sata_svw" -#define DRV_VERSION "2.0" +#define DRV_VERSION "2.1" 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, @@ -90,17 +92,6 @@ enum { 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); @@ -354,7 +345,6 @@ static const struct ata_port_operations k2_sata_ops = { .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, @@ -363,6 +353,28 @@ static const struct ata_port_operations k2_sata_ops = { .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 = 0x7f, + .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 = 0x7f, + .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; @@ -386,17 +398,24 @@ static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base) 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 @@ -404,6 +423,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e 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) @@ -417,6 +437,15 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e 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++) + k2_sata_setup_port(&host->ports[i]->ioaddr, + mmio_base + i * K2_SATA_PORT_OFFSET); rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) @@ -425,38 +454,6 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e 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) @@ -469,12 +466,8 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e 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 |