diff --git a/arch/arm/SAMD51/SAMD51A/manifest/samd51a.toml b/arch/arm/SAMD51/SAMD51A/manifest/samd51a.toml
index d99abe12..74e66c73 100644
--- a/arch/arm/SAMD51/SAMD51A/manifest/samd51a.toml
+++ b/arch/arm/SAMD51/SAMD51A/manifest/samd51a.toml
@@ -3,3 +3,6 @@ common = "arch/arm/common"
 mcu = "arch/arm/SAMD51/SAMD51A/mcu"
 ld = "arch/arm/SAMD51/SAMD51A/ld"
 cfg = "arch/arm/SAMD51/SAMD51A/manifest"
+
+[esf.includes]
+IGLOO_INCLUDES = ["sam.h"]
diff --git a/manifest/target-manifest.toml b/manifest/target-manifest.toml
index 49e75c08..fcdc308d 100644
--- a/manifest/target-manifest.toml
+++ b/manifest/target-manifest.toml
@@ -15,6 +15,17 @@ samd21j15a = "arch.arm.samd21a.samd21j15a"
 samd21j16a = "arch.arm.samd21a.samd21j16a"
 samd21j17a = "arch.arm.samd21a.samd21j17a"
 samd21j18a = "arch.arm.samd21a.samd21j18a"
+# samd51 family
+# samd51a series
+samd51g18a = "arch.arm.samd51a.samd51g18a"
+samd51g19a = "arch.arm.samd51a.samd51g19a"
+samd51j18a = "arch.arm.samd51a.samd51j18a"
+samd51j19a = "arch.arm.samd51a.samd51j19a"
+samd51j20a = "arch.arm.samd51a.samd51j20a"
+samd51n19a = "arch.arm.samd51a.samd51n19a"
+samd51n20a = "arch.arm.samd51a.samd51n20a"
+samd51p19a = "arch.arm.samd51a.samd51p19a"
+samd51p20a = "arch.arm.samd51a.samd51p20a"
 # same54 family
 # same54n/p series
 same54n19a = "arch.arm.same54a.same54n19a"