CPUCFG is a collection of registers that are mapped to the SoC's signals
from each individual processor core and associated peripherals, such as
resets for processors, L1/L2 cache and other things.

These registers are used for SMP bringup and CPU hotplugging.

Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sun9i-a80.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index fc179b8ab038..cc5db467f616 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -368,6 +368,11 @@
                        #reset-cells = <1>;
                };
 
+               cpucfg@01700000 {
+                       compatible = "allwinner,sun9i-a80-cpucfg";
+                       reg = <0x01700000 0x100>;
+               };
+
                mmc0: mmc@01c0f000 {
                        compatible = "allwinner,sun9i-a80-mmc";
                        reg = <0x01c0f000 0x1000>;
-- 
2.13.3

Reply via email to