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[18/31] ARM: dts: rockchip: Enable SMP bringup for RK312x

Message ID 20230829171647.187787-19-knaerzche@gmail.com
State New
Headers show
Series Fix and improve Rockchip RK3128 support | expand

Commit Message

Alex Bee Aug. 29, 2023, 5:16 p.m. UTC 
For bringup 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/rk312x.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/rockchip/rk312x.dtsi b/arch/arm/boot/dts/rockchip/rk312x.dtsi
index b195ac525c37..08b953b005ff 100644
--- a/arch/arm/boot/dts/rockchip/rk312x.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk312x.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";
@@ -87,6 +88,11 @@  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 {