예제 #1
0
파일: acpi.c 프로젝트: asuradaimao/coreboot
static unsigned long acpi_fill_dmar(unsigned long current)
{
	int me_active = (dev_find_slot(0, PCI_DEVFN(3, 0)) != NULL);
	int stepping = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), PCI_CLASS_REVISION);

	unsigned long tmp = current;
	current += acpi_create_dmar_drhd(current, 0, 0, IOMMU_BASE1);
	current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x1b, 0);
	acpi_dmar_drhd_fixup(tmp, current);

	if (stepping != STEPPING_B2) {
		tmp = current;
		current += acpi_create_dmar_drhd(current, 0, 0, IOMMU_BASE2);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x2, 0);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x2, 1);
		acpi_dmar_drhd_fixup(tmp, current);
	}

	if (me_active) {
		tmp = current;
		current += acpi_create_dmar_drhd(current, 0, 0, IOMMU_BASE3);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x3, 0);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x3, 1);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x3, 2);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 0x3, 3);
		acpi_dmar_drhd_fixup(tmp, current);
	}

	current += acpi_create_dmar_drhd(current, DRHD_INCLUDE_PCI_ALL, 0, IOMMU_BASE4);

	/* TODO: reserve GTT for 0.2.0 and 0.2.1? */
	return current;
}
예제 #2
0
파일: acpi.c 프로젝트: AdriDlu/coreboot
static unsigned long acpi_fill_dmar(unsigned long current)
{
	const struct device *const igfx = dev_find_slot(0, PCI_DEVFN(2, 0));

	if (igfx && igfx->enabled) {
		const unsigned long tmp = current;
		current += acpi_create_dmar_drhd(current, 0, 0, IOMMU_BASE1);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 2, 0);
		current += acpi_create_dmar_drhd_ds_pci(current, 0, 2, 1);
		acpi_dmar_drhd_fixup(tmp, current);
	}

	const unsigned long tmp = current;
	current += acpi_create_dmar_drhd(current,
			DRHD_INCLUDE_PCI_ALL, 0, IOMMU_BASE2);
	current += acpi_create_dmar_drhd_ds_ioapic(current,
			2, PCH_IOAPIC_PCI_BUS, PCH_IOAPIC_PCI_SLOT, 0);
	size_t i;
	for (i = 0; i < 8; ++i)
		current += acpi_create_dmar_drhd_ds_msi_hpet(current,
				0, PCH_HPET_PCI_BUS, PCH_HPET_PCI_SLOT, i);
	acpi_dmar_drhd_fixup(tmp, current);

	return current;
}