diff options
Diffstat (limited to 'drivers/ide/pci/piix.c')
| -rw-r--r-- | drivers/ide/pci/piix.c | 167 |
1 files changed, 69 insertions, 98 deletions
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index a8dd0c0add35..ec0c6e96a213 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/piix.c Version 0.53 Aug 9, 2007 + * linux/drivers/ide/pci/piix.c Version 0.54 Sep 5, 2007 * * Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> @@ -254,53 +254,20 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) } /** - * piix_is_ichx - check if ICHx - * @dev: PCI device to check - * - * returns 1 if ICHx, 0 otherwise. - */ -static int piix_is_ichx(struct pci_dev *dev) -{ - switch (dev->device) { - case PCI_DEVICE_ID_INTEL_82801EB_1: - case PCI_DEVICE_ID_INTEL_82801AA_1: - case PCI_DEVICE_ID_INTEL_82801AB_1: - case PCI_DEVICE_ID_INTEL_82801BA_8: - case PCI_DEVICE_ID_INTEL_82801BA_9: - case PCI_DEVICE_ID_INTEL_82801CA_10: - case PCI_DEVICE_ID_INTEL_82801CA_11: - case PCI_DEVICE_ID_INTEL_82801DB_1: - case PCI_DEVICE_ID_INTEL_82801DB_10: - case PCI_DEVICE_ID_INTEL_82801DB_11: - case PCI_DEVICE_ID_INTEL_82801EB_11: - case PCI_DEVICE_ID_INTEL_82801E_11: - case PCI_DEVICE_ID_INTEL_ESB_2: - case PCI_DEVICE_ID_INTEL_ICH6_19: - case PCI_DEVICE_ID_INTEL_ICH7_21: - case PCI_DEVICE_ID_INTEL_ESB2_18: - case PCI_DEVICE_ID_INTEL_ICH8_6: - return 1; - } - - return 0; -} - -/** - * init_chipset_piix - set up the PIIX chipset + * init_chipset_ich - set up the ICH chipset * @dev: PCI device to set up * @name: Name of the device * - * Initialize the PCI device as required. For the PIIX this turns - * out to be nice and simple + * Initialize the PCI device as required. For the ICH this turns + * out to be nice and simple. */ -static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char *name) +static unsigned int __devinit init_chipset_ich(struct pci_dev *dev, const char *name) { - if (piix_is_ichx(dev)) { - unsigned int extra = 0; - pci_read_config_dword(dev, 0x54, &extra); - pci_write_config_dword(dev, 0x54, extra|0x400); - } + u32 extra = 0; + + pci_read_config_dword(dev, 0x54, &extra); + pci_write_config_dword(dev, 0x54, extra | 0x400); return 0; } @@ -318,9 +285,9 @@ static void piix_dma_clear_irq(ide_drive_t *drive) u8 dma_stat; /* clear the INTR & ERROR bits */ - dma_stat = hwif->INB(hwif->dma_status); + dma_stat = inb(hwif->dma_status); /* Should we force the bit as well ? */ - hwif->OUTB(dma_stat, hwif->dma_status); + outb(dma_stat, hwif->dma_status); } struct ich_laptop { @@ -374,35 +341,12 @@ static u8 __devinit piix_cable_detect(ide_hwif_t *hwif) static void __devinit init_hwif_piix(ide_hwif_t *hwif) { -#ifndef CONFIG_IA64 - if (!hwif->irq) - hwif->irq = hwif->channel ? 15 : 14; -#endif /* CONFIG_IA64 */ - - if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_82371MX) { - /* This is a painful system best to let it self tune for now */ - return; - } - hwif->set_pio_mode = &piix_set_pio_mode; hwif->set_dma_mode = &piix_set_dma_mode; - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - if (!hwif->dma_base) return; - /* ICHx need to clear the bmdma status for all interrupts */ - if (piix_is_ichx(hwif->pci_dev)) - hwif->ide_dma_clear_irq = &piix_dma_clear_irq; - - hwif->atapi_dma = 1; - - hwif->ultra_mask = hwif->cds->udma_mask; - hwif->mwdma_mask = 0x06; - hwif->swdma_mask = 0x04; - if (hwif->ultra_mask & 0x78) { if (hwif->cbl != ATA_CBL_PATA40_SHORT) hwif->cbl = piix_cable_detect(hwif); @@ -412,21 +356,49 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif) hwif->ultra_mask = hwif->mwdma_mask = hwif->swdma_mask = 0; } +static void __devinit init_hwif_ich(ide_hwif_t *hwif) +{ + init_hwif_piix(hwif); + + /* ICHx need to clear the BMDMA status for all interrupts */ + if (hwif->dma_base) + hwif->ide_dma_clear_irq = &piix_dma_clear_irq; +} + +#ifndef CONFIG_IA64 + #define IDE_HFLAGS_PIIX (IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE) +#else + #define IDE_HFLAGS_PIIX IDE_HFLAG_BOOTABLE +#endif + #define DECLARE_PIIX_DEV(name_str, udma) \ { \ .name = name_str, \ - .init_chipset = init_chipset_piix, \ .init_hwif = init_hwif_piix, \ - .autodma = AUTODMA, \ .enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \ - .bootable = ON_BOARD, \ + .host_flags = IDE_HFLAGS_PIIX, \ .pio_mask = ATA_PIO4, \ + .swdma_mask = ATA_SWDMA2_ONLY, \ + .mwdma_mask = ATA_MWDMA12_ONLY, \ .udma_mask = udma, \ } +#define DECLARE_ICH_DEV(name_str, udma) \ + { \ + .name = name_str, \ + .init_chipset = init_chipset_ich, \ + .init_hwif = init_hwif_ich, \ + .enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \ + .host_flags = IDE_HFLAGS_PIIX, \ + .pio_mask = ATA_PIO4, \ + .swdma_mask = ATA_SWDMA2_ONLY, \ + .mwdma_mask = ATA_MWDMA12_ONLY, \ + .udma_mask = udma, \ + } + static ide_pci_device_t piix_pci_info[] __devinitdata = { - /* 0 */ DECLARE_PIIX_DEV("PIIXa", 0x00), /* no udma */ - /* 1 */ DECLARE_PIIX_DEV("PIIXb", 0x00), /* no udma */ + /* 0 */ DECLARE_PIIX_DEV("PIIXa", 0x00), /* no udma */ + /* 1 */ DECLARE_PIIX_DEV("PIIXb", 0x00), /* no udma */ /* 2 */ { /* @@ -435,36 +407,35 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = { * of the bit 14 of the IDETIM register at offset 0x6c */ .name = "MPIIX", - .init_hwif = init_hwif_piix, - .autodma = NODMA, .enablebits = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_ISA_PORTS, + .host_flags = IDE_HFLAG_ISA_PORTS | IDE_HFLAG_NO_DMA | + IDE_HFLAGS_PIIX, .pio_mask = ATA_PIO4, + /* This is a painful system best to let it self tune for now */ }, - /* 3 */ DECLARE_PIIX_DEV("PIIX3", 0x00), /* no udma */ - /* 4 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */ - /* 5 */ DECLARE_PIIX_DEV("ICH0", 0x07), /* udma0-2 */ - /* 6 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */ - /* 7 */ DECLARE_PIIX_DEV("ICH", 0x1f), /* udma0-4 */ - /* 8 */ DECLARE_PIIX_DEV("PIIX4", 0x1f), /* udma0-4 */ - /* 9 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */ - /* 10 */ DECLARE_PIIX_DEV("ICH2", 0x3f), /* udma0-5 */ - /* 11 */ DECLARE_PIIX_DEV("ICH2M", 0x3f), /* udma0-5 */ - /* 12 */ DECLARE_PIIX_DEV("ICH3M", 0x3f), /* udma0-5 */ - /* 13 */ DECLARE_PIIX_DEV("ICH3", 0x3f), /* udma0-5 */ - /* 14 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */ - /* 15 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */ - /* 16 */ DECLARE_PIIX_DEV("C-ICH", 0x3f), /* udma0-5 */ - /* 17 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */ - /* 18 */ DECLARE_PIIX_DEV("ICH5-SATA", 0x3f), /* udma0-5 */ - /* 19 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */ - /* 20 */ DECLARE_PIIX_DEV("ICH6", 0x3f), /* udma0-5 */ - /* 21 */ DECLARE_PIIX_DEV("ICH7", 0x3f), /* udma0-5 */ - /* 22 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */ - /* 23 */ DECLARE_PIIX_DEV("ESB2", 0x3f), /* udma0-5 */ - /* 24 */ DECLARE_PIIX_DEV("ICH8M", 0x3f), /* udma0-5 */ + /* 3 */ DECLARE_PIIX_DEV("PIIX3", 0x00), /* no udma */ + /* 4 */ DECLARE_PIIX_DEV("PIIX4", ATA_UDMA2), + /* 5 */ DECLARE_ICH_DEV("ICH0", ATA_UDMA2), + /* 6 */ DECLARE_PIIX_DEV("PIIX4", ATA_UDMA2), + /* 7 */ DECLARE_ICH_DEV("ICH", ATA_UDMA4), + /* 8 */ DECLARE_PIIX_DEV("PIIX4", ATA_UDMA4), + /* 9 */ DECLARE_PIIX_DEV("PIIX4", ATA_UDMA2), + /* 10 */ DECLARE_ICH_DEV("ICH2", ATA_UDMA5), + /* 11 */ DECLARE_ICH_DEV("ICH2M", ATA_UDMA5), + /* 12 */ DECLARE_ICH_DEV("ICH3M", ATA_UDMA5), + /* 13 */ DECLARE_ICH_DEV("ICH3", ATA_UDMA5), + /* 14 */ DECLARE_ICH_DEV("ICH4", ATA_UDMA5), + /* 15 */ DECLARE_ICH_DEV("ICH5", ATA_UDMA5), + /* 16 */ DECLARE_ICH_DEV("C-ICH", ATA_UDMA5), + /* 17 */ DECLARE_ICH_DEV("ICH4", ATA_UDMA5), + /* 18 */ DECLARE_ICH_DEV("ICH5-SATA", ATA_UDMA5), + /* 19 */ DECLARE_ICH_DEV("ICH5", ATA_UDMA5), + /* 20 */ DECLARE_ICH_DEV("ICH6", ATA_UDMA5), + /* 21 */ DECLARE_ICH_DEV("ICH7", ATA_UDMA5), + /* 22 */ DECLARE_ICH_DEV("ICH4", ATA_UDMA5), + /* 23 */ DECLARE_ICH_DEV("ESB2", ATA_UDMA5), + /* 24 */ DECLARE_ICH_DEV("ICH8M", ATA_UDMA5), }; /** |