soc/amd/genoa: Hook up IOMMU ops

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I2419feed1a76ec1cb04cb9640689b8758fa1d3f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76527
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
diff --git a/src/soc/amd/genoa/Kconfig b/src/soc/amd/genoa/Kconfig
index a371d218..8bfae4f 100644
--- a/src/soc/amd/genoa/Kconfig
+++ b/src/soc/amd/genoa/Kconfig
@@ -14,6 +14,7 @@
 	select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS
 	select SOC_AMD_COMMON_BLOCK_CPUFREQ_FAM17H_19H
 	select SOC_AMD_COMMON_BLOCK_HAS_ESPI
+	select SOC_AMD_COMMON_BLOCK_IOMMU
 	select SOC_AMD_COMMON_BLOCK_LPC
 	select SOC_AMD_COMMON_BLOCK_NONCAR
 	select SOC_AMD_COMMON_BLOCK_PCI_MMCONF
diff --git a/src/soc/amd/genoa/chipset.cb b/src/soc/amd/genoa/chipset.cb
index b7b1868..6fd6bf3 100644
--- a/src/soc/amd/genoa/chipset.cb
+++ b/src/soc/amd/genoa/chipset.cb
@@ -6,7 +6,7 @@
 
 	device domain 0 on
 		device pci 00.0 alias gnb_0 on end
-		device pci 00.2 alias iommu_0 off end
+		device pci 00.2 alias iommu_0 on ops amd_iommu_ops end
 		device pci 00.3 alias rcec_0 off end
 
 		device pci 01.0 on end # Dummy Host Bridge, do not disable
@@ -73,7 +73,7 @@
 
 	device domain 1 on
 		device pci 00.0 alias gnb_1 on end
-		device pci 00.2 alias iommu_1 off end
+		device pci 00.2 alias iommu_1 on ops amd_iommu_ops end
 		device pci 00.3 alias rcec_1 off end
 
 		device pci 01.0 on end # Dummy Host Bridge, do not disable
@@ -113,7 +113,7 @@
 
 	device domain 2 on
 		device pci 00.0 alias gnb_2 on end
-		device pci 00.2 alias iommu_2 off end
+		device pci 00.2 alias iommu_2 on ops amd_iommu_ops end
 		device pci 00.3 alias rcec_2 off end
 
 		device pci 01.0 on end # Dummy Host Bridge, do not disable
@@ -153,7 +153,7 @@
 
 	device domain 3 on
 		device pci 00.0 alias gnb_3 on end
-		device pci 00.2 alias iommu_3 off end
+		device pci 00.2 alias iommu_3 on ops amd_iommu_ops end
 		device pci 00.3 alias rcec_3 off end
 
 		device pci 01.0 on end # Dummy Host Bridge, do not disable