diff options
Diffstat (limited to 'drivers/ide/pci/pdc202xx_new.c')
-rw-r--r-- | drivers/ide/pci/pdc202xx_new.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 0765dce6948e..7b0e479c355c 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -9,7 +9,7 @@ * Split from: * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002 * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2005-2006 MontaVista Software, Inc. + * Copyright (C) 2005-2007 MontaVista Software, Inc. * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@promise.com) * Released under terms of General Public License @@ -219,13 +219,16 @@ static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed) static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio) { - pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + pio = ide_get_best_pio_mode(drive, pio, 4); (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio); } static u8 pdcnew_cable_detect(ide_hwif_t *hwif) { - return get_indexed_reg(hwif, 0x0b) & 0x04; + if (get_indexed_reg(hwif, 0x0b) & 0x04) + return ATA_CBL_PATA40; + else + return ATA_CBL_PATA80; } static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive) @@ -338,7 +341,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base) */ usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 + (end_time.tv_usec - start_time.tv_usec); - pll_input = ((start_count - end_count) & 0x3ffffff) / 10 * + pll_input = ((start_count - end_count) & 0x3fffffff) / 10 * (10000000 / usec_elapsed); DBG("start[%ld] end[%ld]\n", start_count, end_count); @@ -375,12 +378,8 @@ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const cha int f, r; u8 pll_ctl0, pll_ctl1; - if (dev->resource[PCI_ROM_RESOURCE].start) { - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); - printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, - (unsigned long)dev->resource[PCI_ROM_RESOURCE].start); - } + if (dma_base == 0) + return -EFAULT; #ifdef CONFIG_PPC_PMAC apple_kiwi_init(dev); @@ -498,19 +497,22 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) hwif->speedproc = &pdcnew_tune_chipset; hwif->resetproc = &pdcnew_reset; + hwif->err_stops_fifo = 1; + hwif->drives[0].autotune = hwif->drives[1].autotune = 1; + if (hwif->dma_base == 0) + return; + hwif->atapi_dma = 1; hwif->ultra_mask = hwif->cds->udma_mask; hwif->mwdma_mask = 0x07; - hwif->err_stops_fifo = 1; - hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate; - if (!hwif->udma_four) - hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1; + if (hwif->cbl != ATA_CBL_PATA40_SHORT) + hwif->cbl = pdcnew_cable_detect(hwif); if (!noautodma) hwif->autodma = 1; @@ -533,7 +535,7 @@ static int __devinit init_setup_pdc20270(struct pci_dev *dev, (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) { if (PCI_SLOT(dev->devfn) & 2) return -ENODEV; - d->extra = 0; + while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { if ((findev->vendor == dev->vendor) && (findev->device == dev->device) && @@ -542,7 +544,8 @@ static int __devinit init_setup_pdc20270(struct pci_dev *dev, findev->irq = dev->irq; } ret = ide_setup_pci_devices(dev, findev, d); - pci_dev_put(findev); + if (ret < 0) + pci_dev_put(findev); return ret; } } @@ -570,63 +573,63 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = { .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x3f, /* udma0-5 */ },{ /* 1 */ .name = "PDC20269", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x7f, /* udma0-6*/ },{ /* 2 */ .name = "PDC20270", .init_setup = init_setup_pdc20270, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x3f, /* udma0-5 */ },{ /* 3 */ .name = "PDC20271", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x7f, /* udma0-6*/ },{ /* 4 */ .name = "PDC20275", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x7f, /* udma0-6*/ },{ /* 5 */ .name = "PDC20276", .init_setup = init_setup_pdc20276, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x7f, /* udma0-6*/ },{ /* 6 */ .name = "PDC20277", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, - .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, + .pio_mask = ATA_PIO4, .udma_mask = 0x7f, /* udma0-6*/ } }; |