diff options
| -rw-r--r-- | arch/arm/cpu/armv8/cache_v8.c | 6 | ||||
| -rw-r--r-- | arch/arm/include/asm/armv8/mmu.h | 4 |
2 files changed, 7 insertions, 3 deletions
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 @@ static void mmu_setup(void) 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, |