diff --git a/arch/Config.in.mips b/arch/Config.in.mips
index ac87e2cf77..9ed42a2580 100644
--- a/arch/Config.in.mips
+++ b/arch/Config.in.mips
@@ -47,6 +47,10 @@ config BR2_mips_interaptiv
 	bool "interAptiv"
 	depends on !BR2_ARCH_IS_64
 	select BR2_MIPS_CPU_MIPS32R2
+config BR2_mips_m5100
+	bool "M5100"
+	depends on !BR2_ARCH_IS_64
+	select BR2_MIPS_CPU_MIPS32R5
 config BR2_mips_64
 	bool "Generic MIPS64"
 	depends on BR2_ARCH_IS_64
@@ -109,6 +113,7 @@ config BR2_GCC_TARGET_ARCH
 	default "mips32r5"	if BR2_mips_32r5
 	default "mips32r6"	if BR2_mips_32r6
 	default "interaptiv"	if BR2_mips_interaptiv
+	default "m5100"		if BR2_mips_m5100
 	default "mips64"	if BR2_mips_64
 	default "mips64r2"	if BR2_mips_64r2
 	default "mips64r5"	if BR2_mips_64r5
diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index a816464e1c..2d853879c3 100644
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -100,7 +100,7 @@ choice
 		# musl ppc64 unsupported
 		depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
 		# Unsupported MIPS cores
-		depends on !BR2_mips_interaptiv
+		depends on !BR2_mips_interaptiv && !BR2_mips_m5100
 		# musl mips64 unsupported
 		depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
 		select BR2_GCC_NEEDS_MPC
diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in
index e3d496475b..254a1e5c94 100644
--- a/toolchain/toolchain-external/Config.in
+++ b/toolchain/toolchain-external/Config.in
@@ -598,7 +598,7 @@ config BR2_TOOLCHAIN_EXTERNAL_MUSL_CROSS
 		BR2_x86_64
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	# Unsupported MIPS cores
-	depends on !BR2_mips_interaptiv
+	depends on !BR2_mips_interaptiv && !BR2_mips_m5100
 	# Unsupported for MIPS R6
 	depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
 	select BR2_TOOLCHAIN_EXTERNAL_MUSL