| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <lib.h> |
| |
| static void iommu_read_resources(struct device *dev) |
| { |
| struct resource *res; |
| |
| /* Get the normal pci resources of this device */ |
| pci_dev_read_resources(dev); |
| |
| /* IOMMU MMIO registers */ |
| res = new_resource(dev, 0x44); |
| res->size = 512 * 1024; |
| res->align = log2(res->size); |
| res->gran = log2(res->size); |
| res->limit = 0xffffffff; /* 4G */ |
| res->flags = IORESOURCE_MEM; |
| } |
| |
| struct device_operations amd_pi_iommu_ops = { |
| .read_resources = iommu_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .ops_pci = &pci_dev_ops_pci, |
| }; |