diff options
Diffstat (limited to 'tools/ioemu/hw/piix_pci.c')
| -rw-r--r-- | tools/ioemu/hw/piix_pci.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/tools/ioemu/hw/piix_pci.c b/tools/ioemu/hw/piix_pci.c index 051e082263..497d66898c 100644 --- a/tools/ioemu/hw/piix_pci.c +++ b/tools/ioemu/hw/piix_pci.c @@ -338,10 +338,14 @@ static void pci_bios_init_device(PCIDevice *d) break; case 0x0680: if (vendor_id == 0x8086 && device_id == 0x7113) { - /* PIIX4 ACPI PM */ - pci_config_writew(d, 0x20, 0x0000); /* NO smb bus IO enable in PIIX4 */ + /* + * PIIX4 ACPI PM. + * Special device with special PCI config space. No ordinary BARs. + */ + pci_config_writew(d, 0x20, 0x0000); // No smb bus IO enable pci_config_writew(d, 0x22, 0x0000); - goto default_map; + pci_config_writew(d, 0x3c, 0x0009); // Hardcoded IRQ9 + pci_config_writew(d, 0x3d, 0x0001); } break; case 0x0300: @@ -394,14 +398,6 @@ static void pci_bios_init_device(PCIDevice *d) pic_irq = pci_irqs[pin]; pci_config_writeb(d, PCI_INTERRUPT_LINE, pic_irq); } - - if (class== 0x0680&& vendor_id == 0x8086 && device_id == 0x7113) { - // PIIX4 ACPI PM - pci_config_writew(d, 0x20, 0x0000); // NO smb bus IO enable in PIIX4 - pci_config_writew(d, 0x22, 0x0000); - pci_config_writew(d, 0x3c, 0x0009); // Hardcodeed IRQ9 - pci_config_writew(d, 0x3d, 0x0001); - } } /* |