diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index f45726a1d963..09921a5197c6 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -82,7 +82,9 @@ _ENTRY(_start); and r19,r3,r18 /* r19 = page offset */ andc r31,r20,r18 /* r31 = page base */ or r31,r31,r19 /* r31 = devtree phys addr */ +#ifdef CONFIG_PHYS_64BIT mfspr r30,SPRN_MAS7 +#endif li r25,0 /* phys kernel start (low) */ li r24,0 /* CPU number */ diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c index 74551b5e41e5..646c4bffaeba 100644 --- a/arch/powerpc/mm/hugetlbpage-book3e.c +++ b/arch/powerpc/mm/hugetlbpage-book3e.c @@ -103,7 +103,8 @@ void book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea, if (mmu_has_feature(MMU_FTR_USE_PAIRED_MAS)) { mtspr(SPRN_MAS7_MAS3, mas7_3); } else { - mtspr(SPRN_MAS7, upper_32_bits(mas7_3)); + if (mmu_has_feature(MMU_FTR_BIG_PHYS)) + mtspr(SPRN_MAS7, upper_32_bits(mas7_3)); mtspr(SPRN_MAS3, lower_32_bits(mas7_3)); }