diff options
Diffstat (limited to 'drivers/ide/pci/serverworks.c')
| -rw-r--r-- | drivers/ide/pci/serverworks.c | 77 |
1 files changed, 2 insertions, 75 deletions
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index d9c4fd1ae99..09a7aedf63a 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/serverworks.c Version 0.11 Jun 2 2007 + * linux/drivers/ide/pci/serverworks.c Version 0.20 Jun 3 2007 * * Copyright (C) 1998-2000 Michel Aubry * Copyright (C) 1998-2000 Andrzej Krzysztofowicz @@ -151,84 +151,11 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed) if(dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4 && drive->media == ide_disk && speed >= XFER_UDMA_0) BUG(); - - pci_read_config_byte(dev, drive_pci[drive->dn], &pio_timing); - pci_read_config_byte(dev, drive_pci2[drive->dn], &dma_timing); + pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing); pci_read_config_word(dev, 0x4A, &csb5_pio); pci_read_config_byte(dev, 0x54, &ultra_enable); - /* If we are in RAID mode (eg AMI MegaIDE) then we can't it - turns out trust the firmware configuration */ - - if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) - goto oem_setup_failed; - - /* Per Specified Design by OEM, and ASIC Architect */ - if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || - (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { - if (!drive->init_speed) { - u8 dma_stat = inb(hwif->dma_status); - - if (((ultra_enable << (7-drive->dn) & 0x80) == 0x80) && - ((dma_stat & (1<<(5+unit))) == (1<<(5+unit)))) { - drive->current_speed = drive->init_speed = XFER_UDMA_0 + udma_modes[(ultra_timing >> (4*unit)) & ~(0xF0)]; - return 0; - } else if ((dma_timing) && - ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) { - u8 dmaspeed; - - switch (dma_timing & 0x77) { - case 0x20: - dmaspeed = XFER_MW_DMA_2; - break; - case 0x21: - dmaspeed = XFER_MW_DMA_1; - break; - case 0x77: - dmaspeed = XFER_MW_DMA_0; - break; - default: - goto dma_pio; - } - - drive->current_speed = drive->init_speed = dmaspeed; - return 0; - } -dma_pio: - if (pio_timing) { - u8 piospeed; - - switch (pio_timing & 0x7f) { - case 0x20: - piospeed = XFER_PIO_4; - break; - case 0x22: - piospeed = XFER_PIO_3; - break; - case 0x34: - piospeed = XFER_PIO_2; - break; - case 0x47: - piospeed = XFER_PIO_1; - break; - case 0x5d: - piospeed = XFER_PIO_0; - break; - default: - goto oem_setup_failed; - } - - drive->current_speed = drive->init_speed = piospeed; - return 0; - } - } - } - -oem_setup_failed: - - pio_timing = 0; - dma_timing = 0; ultra_timing &= ~(0x0F << (4*unit)); ultra_enable &= ~(0x01 << drive->dn); csb5_pio &= ~(0x0F << (4*drive->dn)); |