1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index d1a7e3f7b4ae..eca68da7c0ab 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -198,6 +198,8 @@ config CPU_SUBTYPE_SHX3
         select CPU_SH4A
         select CPU_SHX3
         select CPU_HAS_INTC_IRQ
+        select ARCH_SPARSEMEM_ENABLE
+        select SYS_SUPPORTS_NUMA
 
 # SH4AL-DSP Processor Support
 
@@ -323,6 +325,7 @@ config ARCH_SPARSEMEM_DEFAULT
 
 config MAX_ACTIVE_REGIONS
         int
+        default "6" if (CPU_SUBTYPE_SHX3 && SPARSEMEM)
         default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)
         default "1"