diff mbox series

[v2,3/4] ARM: dts: rockchip: Enable SMP bring-up for RK3128

Message ID 20230829214004.314932-8-knaerzche@gmail.com (mailing list archive)
State New, archived
Headers show
Series Enable SMP bring-up and cpu frequency-scaling for RK3128 | expand

Commit Message

Alex Bee Aug. 29, 2023, 9:40 p.m. UTC 
For bring-up of the non-boot cpu cores the enable-method for RK3036 can be
re-used.
This adds a (small) chunk of SRAM for execution of the SMP trampoline code
and the respective enable-method property to the cpus.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
 arch/arm/boot/dts/rockchip/rk3128.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi
index 2778049003a1..877854dd765d 100644
--- a/arch/arm/boot/dts/rockchip/rk3128.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi
@@ -27,6 +27,7 @@  arm-pmu {
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "rockchip,rk3036-smp";
 
 		cpu0: cpu@f00 {
 			device_type = "cpu";
@@ -86,6 +87,11 @@  imem: sram@10080000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0 0x10080000 0x2000>;
+
+		smp-sram@0 {
+			compatible = "rockchip,rk3066-smp-sram";
+			reg = <0x00 0x10>;
+		};
 	};
 
 	pmu: syscon@100a0000 {