diff options
Diffstat (limited to 'src/northbridge/via/vx800/ide.c')
| -rw-r--r-- | src/northbridge/via/vx800/ide.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/src/northbridge/via/vx800/ide.c b/src/northbridge/via/vx800/ide.c index 3fb2c238e7..d2cdb5164a 100644 --- a/src/northbridge/via/vx800/ide.c +++ b/src/northbridge/via/vx800/ide.c @@ -172,7 +172,6 @@ static void ide_init(struct device *dev) for (i = 0; i < (16 * 12); i++) { pci_write_config8(dev, 0x40 + i, idedevicepcitable[i]); } - //pci_write_config8(dev, 0x0d, 0x20); data = pci_read_config8(dev, 0x0d); data &= 0x0f; data |= 0x40; @@ -185,59 +184,6 @@ static void ide_init(struct device *dev) /* Force interrupts to use compat mode. */ pci_write_config8(dev, PCI_INTERRUPT_PIN, 0x0); pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff); -#if 0 - u8 enables; - u32 cablesel; - - pci_write_config16(dev, 0x04, 0x0007); - - enables = pci_read_config8(dev, IDE_CS) & ~0x3; - enables |= 0x02; - pci_write_config8(dev, IDE_CS, enables); - enables = pci_read_config8(dev, IDE_CS); - printk(BIOS_DEBUG, "Enables in reg 0x40 read back as 0x%x\n", enables); - - /* Enable only compatibility mode. */ - enables = pci_read_config8(dev, IDE_CONF_II); - enables &= ~0xc0; - pci_write_config8(dev, IDE_CONF_II, enables); - enables = pci_read_config8(dev, IDE_CONF_II); - printk(BIOS_DEBUG, "Enables in reg 0x42 read back as 0x%x\n", enables); - - /* Enable prefetch buffers. */ - enables = pci_read_config8(dev, IDE_CONF_I); - enables |= 0xf0; - pci_write_config8(dev, IDE_CONF_I, enables); - - /* Flush FIFOs at half. */ - enables = pci_read_config8(dev, IDE_CONF_FIFO); - enables &= 0xf0; - enables |= (1 << 2) | (1 << 0); - pci_write_config8(dev, IDE_CONF_FIFO, enables); - - /* PIO read prefetch counter, Bus Master IDE Status Reg. Read Retry. */ - enables = pci_read_config8(dev, IDE_MISC_I); - enables &= 0xe2; - enables |= (1 << 4) | (1 << 3); - pci_write_config8(dev, IDE_MISC_I, enables); - - /* Use memory read multiple, Memory-Write-and-Invalidate. */ - enables = pci_read_config8(dev, IDE_MISC_II); - enables |= (1 << 2) | (1 << 3); - pci_write_config8(dev, IDE_MISC_II, enables); - - /* Force interrupts to use compat mode. */ - pci_write_config8(dev, PCI_INTERRUPT_PIN, 0x0); - pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff); - - /* Cable guy... */ - cablesel = pci_read_config32(dev, IDE_UDMA); - cablesel &= ~((1 << 28) | (1 << 20) | (1 << 12) | (1 << 4)); - cablesel |= (sb->ide0_80pin_cable << 28) | - (sb->ide0_80pin_cable << 20) | - (sb->ide1_80pin_cable << 12) | (sb->ide1_80pin_cable << 4); - pci_write_config32(dev, IDE_UDMA, cablesel); -#endif } static struct device_operations ide_ops = { |