From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Lo Subject: [PATCH V2] arm64: tegra: add CPU cache topology for Tegra186 Date: Wed, 5 Jun 2019 10:26:40 +0800 Message-ID: <20190605022640.17837-1-josephl@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, Joseph Lo , linux-arm-kernel@lists.infradead.org, Sudeep Holla List-Id: linux-tegra@vger.kernel.org Tegra186 has two CPU clusters with its own cache hierarchy. This patch adds them with the cache information of each of the CPUs. Signed-off-by: Joseph Lo --- v2: - add detail cache information --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 60 ++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 426ac0bdf6a6..8759fcfaf4ed 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -1128,38 +1128,98 @@ cpu@0 { compatible = "nvidia,tegra186-denver"; device_type = "cpu"; + i-cache-size = <0x20000>; + i-cache-line-size = <64>; + i-cache-sets = <512>; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_DENVER>; reg = <0x000>; }; cpu@1 { compatible = "nvidia,tegra186-denver"; device_type = "cpu"; + i-cache-size = <0x20000>; + i-cache-line-size = <64>; + i-cache-sets = <512>; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_DENVER>; reg = <0x001>; }; cpu@2 { compatible = "arm,cortex-a57"; device_type = "cpu"; + i-cache-size = <0xC000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_A57>; reg = <0x100>; }; cpu@3 { compatible = "arm,cortex-a57"; device_type = "cpu"; + i-cache-size = <0xC000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_A57>; reg = <0x101>; }; cpu@4 { compatible = "arm,cortex-a57"; device_type = "cpu"; + i-cache-size = <0xC000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_A57>; reg = <0x102>; }; cpu@5 { compatible = "arm,cortex-a57"; device_type = "cpu"; + i-cache-size = <0xC000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&L2_A57>; reg = <0x103>; }; + + L2_DENVER: l2-cache0 { + compatible = "cache"; + cache-unified; + cache-level = <2>; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + + L2_A57: l2-cache1 { + compatible = "cache"; + cache-unified; + cache-level = <2>; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; + }; }; bpmp: bpmp { -- 2.21.0