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Tue, 29 Aug 2023 10:17:41 -0700 (PDT) From: Alex Bee To: Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , David Airlie , Daniel Vetter , Lee Jones , Liam Girdwood , Mark Brown , Michael Turquette , Stephen Boyd , Vinod Koul , Kishon Vijay Abraham I Cc: Elaine Zhang , Johan Jonker , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, alsa-devel@alsa-project.org, linux-clk@vger.kernel.org, linux-phy@lists.infradead.org, Alex Bee Subject: [PATCH 18/31] ARM: dts: rockchip: Enable SMP bringup for RK312x Date: Tue, 29 Aug 2023 19:16:34 +0200 Message-ID: <20230829171647.187787-19-knaerzche@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230829171647.187787-1-knaerzche@gmail.com> References: <20230829171647.187787-1-knaerzche@gmail.com> MIME-Version: 1.0 X-MailFrom: knaerzche@gmail.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: SHQ2HIOMOYBHG3NJN73KZZDLQXDMEIPJ X-Message-ID-Hash: SHQ2HIOMOYBHG3NJN73KZZDLQXDMEIPJ X-Mailman-Approved-At: Tue, 29 Aug 2023 18:26:44 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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 --- arch/arm/boot/dts/rockchip/rk312x.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) 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 {