diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 70c1186b5088..28c5aa58bb45 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -290,7 +290,15 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot)
 	 * mapping must be done by the PMB or by using page tables.
 	 */
 	if (likely(PXSEG(offset) < P3SEG && PXSEG(last_addr) < P3SEG)) {
-		if (unlikely(pgprot_val(prot) & _PAGE_CACHABLE))
+		u64 flags = pgprot_val(prot);
+
+		/*
+		 * Anything using the legacy PTEA space attributes needs
+		 * to be kicked down to page table mappings.
+		 */
+		if (unlikely(flags & _PAGE_PCC_MASK))
+			return NULL;
+		if (unlikely(flags & _PAGE_CACHABLE))
 			return (void __iomem *)P1SEGADDR(offset);
 
 		return (void __iomem *)P2SEGADDR(offset);
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 3cbedd21fd83..b799fe71114c 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -76,6 +76,10 @@
 /* Wrapper for extended mode pgprot twiddling */
 #define _PAGE_EXT(x)		((unsigned long long)(x) << 32)
 
+#ifdef CONFIG_X2TLB
+#define _PAGE_PCC_MASK	0x00000000	/* No legacy PTEA support */
+#else
+
 /* software: moves to PTEA.TC (Timing Control) */
 #define _PAGE_PCC_AREA5	0x00000000	/* use BSC registers for area5 */
 #define _PAGE_PCC_AREA6	0x80000000	/* use BSC registers for area6 */
@@ -89,7 +93,8 @@
 #define _PAGE_PCC_ATR8	0x60000000	/* Attribute Memory space, 8 bit bus */
 #define _PAGE_PCC_ATR16	0x60000001	/* Attribute Memory space, 6 bit bus */
 
-#ifndef CONFIG_X2TLB
+#define _PAGE_PCC_MASK	0xe0000001
+
 /* copy the ptea attributes */
 static inline unsigned long copy_ptea_attributes(unsigned long x)
 {