diff options
Diffstat (limited to 'drivers/ata/pata_hpt37x.c')
| -rw-r--r-- | drivers/ata/pata_hpt37x.c | 54 |
1 files changed, 39 insertions, 15 deletions
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index e61cb1fd57b..68eb34929ce 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -295,7 +295,7 @@ static unsigned long hpt370_filter(struct ata_device *adev, unsigned long mask) static unsigned long hpt370a_filter(struct ata_device *adev, unsigned long mask) { - if (adev->class != ATA_DEV_ATA) { + if (adev->class == ATA_DEV_ATA) { if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) mask &= ~ (0x1F << ATA_SHIFT_UDMA); } @@ -329,7 +329,7 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline) /* Restore state */ pci_write_config_byte(pdev, 0x5B, scr2); - if (ata66 & (1 << ap->port_no)) + if (ata66 & (2 >> ap->port_no)) ap->cbl = ATA_CBL_PATA40; else ap->cbl = ATA_CBL_PATA80; @@ -359,28 +359,25 @@ static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline) { 0x50, 1, 0x04, 0x04 }, { 0x54, 1, 0x04, 0x04 } }; - u16 mcr3, mcr6; + u16 mcr3; u8 ata66; struct ata_port *ap = link->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); + unsigned int mcrbase = 0x50 + 4 * ap->port_no; if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no])) return -ENOENT; /* Do the extra channel work */ - pci_read_config_word(pdev, 0x52, &mcr3); - pci_read_config_word(pdev, 0x56, &mcr6); + pci_read_config_word(pdev, mcrbase + 2, &mcr3); /* Set bit 15 of 0x52 to enable TCBLID as input - Set bit 15 of 0x56 to enable FCBLID as input */ - pci_write_config_word(pdev, 0x52, mcr3 | 0x8000); - pci_write_config_word(pdev, 0x56, mcr6 | 0x8000); + pci_write_config_word(pdev, mcrbase + 2, mcr3 | 0x8000); pci_read_config_byte(pdev, 0x5A, &ata66); /* Reset TCBLID/FCBLID to output */ - pci_write_config_word(pdev, 0x52, mcr3); - pci_write_config_word(pdev, 0x56, mcr6); + pci_write_config_word(pdev, mcrbase + 2, mcr3); - if (ata66 & (1 << ap->port_no)) + if (ata66 & (2 >> ap->port_no)) ap->cbl = ATA_CBL_PATA40; else ap->cbl = ATA_CBL_PATA80; @@ -844,6 +841,26 @@ static int hpt37x_calibrate_dpll(struct pci_dev *dev) /* Never went stable */ return 0; } + +static u32 hpt374_read_freq(struct pci_dev *pdev) +{ + u32 freq; + unsigned long io_base = pci_resource_start(pdev, 4); + if (PCI_FUNC(pdev->devfn) & 1) { + struct pci_dev *pdev_0; + + pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1); + /* Someone hot plugged the controller on us ? */ + if (pdev_0 == NULL) + return 0; + io_base = pci_resource_start(pdev_0, 4); + freq = inl(io_base + 0x90); + pci_dev_put(pdev_0); + } else + freq = inl(io_base + 0x90); + return freq; +} + /** * hpt37x_init_one - Initialise an HPT37X/302 * @dev: PCI device @@ -902,7 +919,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x0f, + .udma_mask = ATA_UDMA5, .port_ops = &hpt370_port_ops }; /* HPT370A - UDMA100 */ @@ -911,7 +928,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x0f, + .udma_mask = ATA_UDMA5, .port_ops = &hpt370a_port_ops }; /* HPT371, 372 and friends - UDMA133 */ @@ -1047,9 +1064,16 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) outb(0x0e, iobase + 0x9c); /* Some devices do not let this value be accessed via PCI space - according to the old driver */ + according to the old driver. In addition we must use the value + from FN 0 on the HPT374 */ + + if (chip_table == &hpt374) { + freq = hpt374_read_freq(dev); + if (freq == 0) + return -ENODEV; + } else + freq = inl(iobase + 0x90); - freq = inl(iobase + 0x90); if ((freq >> 12) != 0xABCDE) { int i; u8 sr; |