diff options
Diffstat (limited to 'src/soc/amd/common/block/iommu/iommu.c')
| -rw-r--r-- | src/soc/amd/common/block/iommu/iommu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/iommu/iommu.c b/src/soc/amd/common/block/iommu/iommu.c index 52861f2af7..ad1d774baf 100644 --- a/src/soc/amd/common/block/iommu/iommu.c +++ b/src/soc/amd/common/block/iommu/iommu.c @@ -4,6 +4,9 @@ #include <device/pci.h> #include <lib.h> +#define IOMMU_CAP_BASE_LO 0x44 +#define IOMMU_CAP_BASE_HI 0x48 + static void iommu_read_resources(struct device *dev) { struct resource *res; @@ -12,7 +15,7 @@ static void iommu_read_resources(struct device *dev) pci_dev_read_resources(dev); /* IOMMU MMIO registers */ - res = new_resource(dev, 0x44); + res = new_resource(dev, IOMMU_CAP_BASE_LO); res->size = 512 * KiB; res->align = log2(res->size); res->gran = log2(res->size); |