diff --git a/gcc/config/arm/t-rtems b/gcc/config/arm/t-rtems
index b2fcf572bca92a712e2caa847f22da8346f0db67..37a38019fca3ec815010a45f3c054d0230d2d48d 100644
--- a/gcc/config/arm/t-rtems
+++ b/gcc/config/arm/t-rtems
@@ -17,7 +17,7 @@ MULTILIB_DIRNAMES	+= eb
 MULTILIB_OPTIONS	+= mthumb
 MULTILIB_DIRNAMES	+= thumb
 
-MULTILIB_OPTIONS	+= march=armv5te+fp/march=armv6-m/march=armv7-a/march=armv7-a+simd/march=armv7-r/march=armv7-r+fp/mcpu=cortex-r52/mcpu=cortex-m3/mcpu=cortex-m4/mcpu=cortex-m4+nofp/mcpu=cortex-m7
+MULTILIB_OPTIONS	+= march=armv5te+fp/march=armv6-m/march=armv7-a/march=armv7-a+simd/march=armv7-r/march=armv7-r+fp/mcpu=cortex-r52/mcpu=cortex-r52plus/mcpu=cortex-m3/mcpu=cortex-m4/mcpu=cortex-m4+nofp/mcpu=cortex-m7
 MULTILIB_DIRNAMES	+= armv5te+fp       armv6-m       armv7-a       armv7-a+simd       armv7-r       armv7-r+fp       cortex-r52      cortex-m3      cortex-m4      cortex-m4+nofp      cortex-m7
 
 MULTILIB_OPTIONS	+= mfloat-abi=hard
@@ -32,6 +32,7 @@ MULTILIB_REQUIRED	+= mthumb/march=armv7-a
 MULTILIB_REQUIRED	+= mthumb/march=armv7-r+fp/mfloat-abi=hard
 MULTILIB_REQUIRED	+= mthumb/march=armv7-r
 MULTILIB_REQUIRED	+= mthumb/mcpu=cortex-r52/mfloat-abi=hard
+MULTILIB_REQUIRED	+= mthumb/mcpu=cortex-r52plus/mfloat-abi=hard
 MULTILIB_REQUIRED	+= mthumb/mcpu=cortex-m3
 MULTILIB_REQUIRED	+= mthumb/mcpu=cortex-m4/mfloat-abi=hard
 MULTILIB_REQUIRED	+= mthumb/mcpu=cortex-m4+nofp