static void check_pdev(const struct pci_dev *pdev)
{
#define PCI_STATUS_CHECK \
(PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT | \
PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT | \
PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY)
u16 seg = pdev->seg;
u8 bus = pdev->bus;
u8 dev = PCI_SLOT(pdev->devfn);
u8 func = PCI_FUNC(pdev->devfn);
u16 val;
if ( command_mask )
{
val = pci_conf_read16(seg, bus, dev, func, PCI_COMMAND);
if ( val & command_mask )
pci_conf_write16(seg, bus, dev, func, PCI_COMMAND,
val & ~command_mask);
val = pci_conf_read16(seg, bus, dev, func, PCI_STATUS);
if ( val & PCI_STATUS_CHECK )
{
printk(XENLOG_INFO "%04x:%02x:%02x.%u status %04x -> %04x\n",
seg, bus, dev, func, val, val & ~PCI_STATUS_CHECK);
pci_conf_write16(seg, bus, dev, func, PCI_STATUS,
val & PCI_STATUS_CHECK);
}
}
switch ( pci_conf_read8(seg, bus, dev, func, PCI_HEADER_TYPE) & 0x7f )
{
case PCI_HEADER_TYPE_BRIDGE:
if ( !bridge_ctl_mask )
break;
val = pci_conf_read16(seg, bus, dev, func, PCI_BRIDGE_CONTROL);
if ( val & bridge_ctl_mask )
pci_conf_write16(seg, bus, dev, func, PCI_BRIDGE_CONTROL,
val & ~bridge_ctl_mask);
val = pci_conf_read16(seg, bus, dev, func, PCI_SEC_STATUS);
if ( val & PCI_STATUS_CHECK )
{
printk(XENLOG_INFO
"%04x:%02x:%02x.%u secondary status %04x -> %04x\n",
seg, bus, dev, func, val, val & ~PCI_STATUS_CHECK);
pci_conf_write16(seg, bus, dev, func, PCI_SEC_STATUS,
val & PCI_STATUS_CHECK);
}
break;
case PCI_HEADER_TYPE_CARDBUS:
/* TODO */
break;
}
#undef PCI_STATUS_CHECK
}
static void p5064_enable_ide(void)
{
#if CFG_PCI
pcitag_t tag;
if (pci_find_device(0x8086,0x7010,0,&tag) == 0) {
pci_conf_write16(tag,0x40,0x8000);
}
#endif
}
