It is recommended to set forced-order mode in RNI-6,
RNI-20 for performance optimization in LS2088A.
Both LS2080A, LS2088A families has CONFIG_LS2080A define.
As above update is required only for LS2088A, skip this
for LS2080A SoC family
Signed-off-by: Priyanka Jain <priyanka.j...@nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
index d7440ac..7d741b8 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -28,6 +28,26 @@ ENTRY(lowlevel_init)
ldr x0, =CCI_AUX_CONTROL_BASE(20)
ldr x1, =0x00000010
bl ccn504_set_aux
+
+ /*
+ * Set forced-order mode in RNI-6, RNI-20
+ * This is required for performance optimization on LS2088A
+ * LS2080A family does not support setting forced-order mode,
+ * so skip this operation for LS2080A family
+ */
+ bl get_svr
+ lsr w0, w0, #16
+ ldr w1, =SVR_DEV_LS2080A
+ cmp w0, w1
+ b.eq 1f
+
+ ldr x0, =CCI_AUX_CONTROL_BASE(6)
+ ldr x1, =0x00000020
+ bl ccn504_set_aux
+ ldr x0, =CCI_AUX_CONTROL_BASE(20)
+ ldr x1, =0x00000020
+ bl ccn504_set_aux
+1:
#endif
/* Add fully-coherent masters to DVM domain */
--
1.7.4.1
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