diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 612714f14b80be..5372fa9f02f164 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -353,6 +353,7 @@ config ARCH_RV64ILP32
 	depends on NONPORTABLE
 	select ARCH_SUPPORTS_INT128 if !$(cc-option,$(m64-flag) -D__SIZEOF_INT128__=0)
 	select 32BIT
+	select PHYS_ADDR_T_64BIT if !MMU_SV32
 	select MMU
 	select VDSO64ILP32
 	select ARCH_HAS_64ILP32_KERNEL
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 991a2a6d9a9497..c75131d3b13eeb 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -115,6 +115,10 @@
 #define XIP_OFFSET		0
 #endif
 
+#ifndef CONFIG_MMU_SV32
+#define MAX_POSSIBLE_PHYSMEM_BITS 56
+#endif
+
 #ifndef __ASSEMBLY__
 
 #include <asm/page.h>