diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 6bde1cf..b1ea822 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -59,15 +59,15 @@
 	el = current_el();
 	if (el == 1) {
 		set_ttbr_tcr_mair(el, gd->arch.tlb_addr,
-				  TCR_FLAGS | TCR_EL1_IPS_BITS,
+				  TCR_EL1_RSVD | TCR_FLAGS | TCR_EL1_IPS_BITS,
 				  MEMORY_ATTRIBUTES);
 	} else if (el == 2) {
 		set_ttbr_tcr_mair(el, gd->arch.tlb_addr,
-				  TCR_FLAGS | TCR_EL2_IPS_BITS,
+				  TCR_EL2_RSVD | TCR_FLAGS | TCR_EL2_IPS_BITS,
 				  MEMORY_ATTRIBUTES);
 	} else {
 		set_ttbr_tcr_mair(el, gd->arch.tlb_addr,
-				  TCR_FLAGS | TCR_EL3_IPS_BITS,
+				  TCR_EL3_RSVD | TCR_FLAGS | TCR_EL3_IPS_BITS,
 				  MEMORY_ATTRIBUTES);
 	}
 	/* enable the mmu */
diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h
index a1c3c06..587ee39 100644
--- a/arch/arm/include/asm/armv8/mmu.h
+++ b/arch/arm/include/asm/armv8/mmu.h
@@ -110,6 +110,10 @@
 				TCR_IRGN_WBWA |		\
 				TCR_T0SZ(VA_BITS))
 
+#define TCR_EL1_RSVD		(1 << 31)
+#define TCR_EL2_RSVD		(1 << 31 | 1 << 23)
+#define TCR_EL3_RSVD		(1 << 31 | 1 << 23)
+
 #ifndef __ASSEMBLY__
 
 void set_pgtable_section(u64 *page_table, u64 index,