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-rw-r--r--arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
index 5820e1a..879e0e0 100644
--- a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
+++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
@@ -35,6 +35,13 @@ do_cpu_waiting:
*/
.align 4
do_lowlevel_init:
+ ldr r2, =0xFF000044 /* PRR */
+ ldr r1, [r2]
+ and r1, r1, #0x7F00
+ lsrs r1, r1, #8
+ cmp r1, #0x4C /* 0x4C is ID of r8a7794 */
+ beq _exit_init_l2_a15
+
/* surpress wfe if ca15 */
tst r4, #4
mrceq p15, 0, r0, c1, c0, 1 /* actlr */