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Diffstat (limited to 'arch/arm/cpu/armv8/cache_v8.c')
-rw-r--r--arch/arm/cpu/armv8/cache_v8.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 131fdaba3f..7acae1b0ac 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -45,15 +45,31 @@ static void mmu_setup(void)
/* load TTBR0 */
el = current_el();
- if (el == 1)
+ if (el == 1) {
asm volatile("msr ttbr0_el1, %0"
: : "r" (gd->arch.tlb_addr) : "memory");
- else if (el == 2)
+ asm volatile("msr tcr_el1, %0"
+ : : "r" (TCR_FLAGS | TCR_EL1_IPS_BITS)
+ : "memory");
+ asm volatile("msr mair_el1, %0"
+ : : "r" (MEMORY_ATTRIBUTES) : "memory");
+ } else if (el == 2) {
asm volatile("msr ttbr0_el2, %0"
: : "r" (gd->arch.tlb_addr) : "memory");
- else
+ asm volatile("msr tcr_el2, %0"
+ : : "r" (TCR_FLAGS | TCR_EL2_IPS_BITS)
+ : "memory");
+ asm volatile("msr mair_el2, %0"
+ : : "r" (MEMORY_ATTRIBUTES) : "memory");
+ } else {
asm volatile("msr ttbr0_el3, %0"
: : "r" (gd->arch.tlb_addr) : "memory");
+ asm volatile("msr tcr_el3, %0"
+ : : "r" (TCR_FLAGS | TCR_EL2_IPS_BITS)
+ : "memory");
+ asm volatile("msr mair_el3, %0"
+ : : "r" (MEMORY_ATTRIBUTES) : "memory");
+ }
/* enable the mmu */
set_sctlr(get_sctlr() | CR_M);