It is not mandatory for Layerscape SoCs to have SMMU. SoCs like LS1012A are layerscape SoC without SMMU IP.
So put SMMU configuration code under SMMU_BASE.
Signed-off-by: Prabhakar Kushwaha prabhakar.kushwaha@nxp.com --- Changes for v2: Sending as it is
arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S index 04831ca..d743ffe 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S +++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S @@ -94,11 +94,13 @@ ENTRY(lowlevel_init) bl ccn504_set_qos #endif
+#ifdef SMMU_BASE /* Set the SMMU page size in the sACR register */ ldr x1, =SMMU_BASE ldr w0, [x1, #0x10] orr w0, w0, #1 << 16 /* set sACR.pagesize to indicate 64K page */ str w0, [x1, #0x10] +#endif
/* Initialize GIC Secure Bank Status */ #if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)