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[IOEMU] Simply fake-bios init of the piix4acpi device.
Signed-off-by: Keir Fraser <keir@xensource.com>
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@@ -406,7 +406,7 @@ void pci_piix4_acpi_init(PCIBus *bus, int devfn)
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* TODO: if Guest Firmware or Guest OS will change this PMBA,
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* More logic will be added.
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*/
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pci_conf[0x40] = 0x41;
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pci_conf[0x40] = 0x41; /* Special device-specific BAR at 0x40 */
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pci_conf[0x41] = 0x1f;
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acpi_map(d, 0, 0x1f40, 0x10, PCI_ADDRESS_SPACE_IO);
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acpi_reset(d);
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@@ -338,10 +338,14 @@ static void pci_bios_init_device(PCIDevice *d)
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break;
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case 0x0680:
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if (vendor_id == 0x8086 && device_id == 0x7113) {
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/* PIIX4 ACPI PM */
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pci_config_writew(d, 0x20, 0x0000); /* NO smb bus IO enable in PIIX4 */
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/*
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* PIIX4 ACPI PM.
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* Special device with special PCI config space. No ordinary BARs.
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*/
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pci_config_writew(d, 0x20, 0x0000); // No smb bus IO enable
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pci_config_writew(d, 0x22, 0x0000);
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goto default_map;
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pci_config_writew(d, 0x3c, 0x0009); // Hardcoded IRQ9
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pci_config_writew(d, 0x3d, 0x0001);
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}
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break;
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case 0x0300:
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@@ -394,14 +398,6 @@ static void pci_bios_init_device(PCIDevice *d)
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pic_irq = pci_irqs[pin];
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pci_config_writeb(d, PCI_INTERRUPT_LINE, pic_irq);
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}
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if (class== 0x0680&& vendor_id == 0x8086 && device_id == 0x7113) {
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// PIIX4 ACPI PM
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pci_config_writew(d, 0x20, 0x0000); // NO smb bus IO enable in PIIX4
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pci_config_writew(d, 0x22, 0x0000);
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pci_config_writew(d, 0x3c, 0x0009); // Hardcodeed IRQ9
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pci_config_writew(d, 0x3d, 0x0001);
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}
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}
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/*
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