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.jain@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 */