diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 3eafee0a1..d9e8b538f 100644
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -105,6 +105,12 @@ static const struct cortex_m_part_info cortex_m_parts[] = {
 		.arch = ARM_ARCH_V8M,
 		.flags = CORTEX_M_F_HAS_FPV5,
 	},
+	{
+		.impl_part = CORTEX_M85_PARTNO,
+		.name = "Cortex-M85",
+		.arch = ARM_ARCH_V8M,
+		.flags = CORTEX_M_F_HAS_FPV5,
+	},
 	{
 		.impl_part = STAR_MC1_PARTNO,
 		.name = "STAR-MC1",
diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index 0bc139911..a585b786b 100644
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -56,6 +56,7 @@ enum cortex_m_impl_part {
 	CORTEX_M33_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD21),
 	CORTEX_M35P_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD31),
 	CORTEX_M55_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD22),
+	CORTEX_M85_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD23),
 	INFINEON_SLX2_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_INFINEON, 0xDB0),
 	REALTEK_M200_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd20),
 	REALTEK_M300_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd22),