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-rw-r--r--arch/arm/mach-uniphier/arm32/lowlevel_init.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/arm32/lowlevel_init.S b/arch/arm/mach-uniphier/arm32/lowlevel_init.S
index 2be95058b3..b0c94ad01e 100644
--- a/arch/arm/mach-uniphier/arm32/lowlevel_init.S
+++ b/arch/arm/mach-uniphier/arm32/lowlevel_init.S
@@ -99,6 +99,11 @@ ENDPROC(enable_mmu)
ENTRY(setup_init_ram)
ldr r1, = SSCO_BASE
+ mrc p15, 0, r0, c2, c0, 0 @ TTBR0
+ ldr r0, [r0, #0x400] @ entry for virtual address 0x100*****
+ bfc r0, #0, #20
+ cmp r0, #0x50000000 @ is sLD3 page table?
+ biceq r1, r1, #0xc0000000 @ sLD3 ROM maps 0x5******* to 0x1*******
/* Touch to zero for the boot way */
0: ldr r0, = 0x00408006 @ touch to zero with address range