diff options
Diffstat (limited to 'drivers/ide/pci/aec62xx.c')
| -rw-r--r-- | drivers/ide/pci/aec62xx.c | 51 |
1 files changed, 16 insertions, 35 deletions
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 7067df2590c..99184be6a98 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/aec62xx.c Version 0.22 Apr 23, 2007 + * linux/drivers/ide/pci/aec62xx.c Version 0.23 May 23, 2007 * * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> @@ -220,21 +220,18 @@ static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const ch static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) { - struct pci_dev *dev = hwif->pci_dev; + struct pci_dev *dev = hwif->pci_dev; + u8 reg54 = 0, mask = hwif->channel ? 0xf0 : 0x0f; + unsigned long flags; - hwif->autodma = 0; hwif->tuneproc = &aec62xx_tune_drive; hwif->speedproc = &aec62xx_tune_chipset; - if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) - hwif->serialized = hwif->channel; - - if (hwif->mate) - hwif->mate->serialized = hwif->serialized; + if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF && hwif->mate) + hwif->mate->serialized = hwif->serialized = 1; if (!hwif->dma_base) { - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; + hwif->drives[0].autotune = hwif->drives[1].autotune = 1; return; } @@ -244,32 +241,21 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate; hwif->dma_lost_irq = &aec62xx_dma_lost_irq; - if (!noautodma) - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; -} - -static void __devinit init_dma_aec62xx(ide_hwif_t *hwif, unsigned long dmabase) -{ - struct pci_dev *dev = hwif->pci_dev; - if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { - u8 reg54h = 0; - unsigned long flags; - spin_lock_irqsave(&ide_lock, flags); - pci_read_config_byte(dev, 0x54, ®54h); - pci_write_config_byte(dev, 0x54, reg54h & ~(hwif->channel ? 0xF0 : 0x0F)); + pci_read_config_byte (dev, 0x54, ®54); + pci_write_config_byte(dev, 0x54, (reg54 & ~mask)); spin_unlock_irqrestore(&ide_lock, flags); - } else { - u8 ata66 = 0; + } else if (!hwif->udma_four) { + u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01; + pci_read_config_byte(hwif->pci_dev, 0x49, &ata66); - if (!(hwif->udma_four)) - hwif->udma_four = (ata66&(hwif->channel?0x02:0x01))?0:1; + hwif->udma_four = (ata66 & mask) ? 0 : 1; } - ide_setup_dma(hwif, dmabase, 8); + if (!noautodma) + hwif->autodma = 1; + hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; } static int __devinit init_setup_aec62xx(struct pci_dev *dev, ide_pci_device_t *d) @@ -296,7 +282,6 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { .init_setup = init_setup_aec62xx, .init_chipset = init_chipset_aec62xx, .init_hwif = init_hwif_aec62xx, - .init_dma = init_dma_aec62xx, .channels = 2, .autodma = AUTODMA, .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, @@ -307,7 +292,6 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { .init_setup = init_setup_aec62xx, .init_chipset = init_chipset_aec62xx, .init_hwif = init_hwif_aec62xx, - .init_dma = init_dma_aec62xx, .channels = 2, .autodma = NOAUTODMA, .bootable = OFF_BOARD, @@ -317,7 +301,6 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { .init_setup = init_setup_aec62xx, .init_chipset = init_chipset_aec62xx, .init_hwif = init_hwif_aec62xx, - .init_dma = init_dma_aec62xx, .channels = 2, .autodma = AUTODMA, .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, @@ -328,7 +311,6 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { .init_setup = init_setup_aec6x80, .init_chipset = init_chipset_aec62xx, .init_hwif = init_hwif_aec62xx, - .init_dma = init_dma_aec62xx, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, @@ -338,7 +320,6 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { .init_setup = init_setup_aec6x80, .init_chipset = init_chipset_aec62xx, .init_hwif = init_hwif_aec62xx, - .init_dma = init_dma_aec62xx, .channels = 2, .autodma = AUTODMA, .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, |