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Fri, 3 Jan 2020 04:13:52 +0000 From: Yash Shah To: robh+dt@kernel.org, mark.rutland@arm.com, paul.walmsley@sifive.com, palmer@dabbelt.com Cc: aou@eecs.berkeley.edu, bmeng.cn@gmail.com, green.wan@sifive.com, allison@lohutok.net, alexios.zavras@intel.com, gregkh@linuxfoundation.org, tglx@linutronix.de, bp@suse.de, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, sachin.ghadi@sifive.com, Yash Shah Subject: [PATCH v2 1/2] riscv: dts: Add DT support for SiFive L2 cache controller Date: Fri, 3 Jan 2020 09:43:20 +0530 Message-Id: <1578024801-39039-2-git-send-email-yash.shah@sifive.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578024801-39039-1-git-send-email-yash.shah@sifive.com> References: <1578024801-39039-1-git-send-email-yash.shah@sifive.com> Content-Type: text/plain X-ClientProxiedBy: BM1PR0101CA0043.INDPRD01.PROD.OUTLOOK.COM (2603:1096:b00:1a::29) To CH2PR13MB3368.namprd13.prod.outlook.com (2603:10b6:610:2c::26) MIME-Version: 1.0 Received: from dhananjayk-PowerEdge-R620.open-silicon.com (114.143.65.226) by BM1PR0101CA0043.INDPRD01.PROD.OUTLOOK.COM (2603:1096:b00:1a::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2602.12 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: V06ox30sMVxj+gDYVnYMMb2nXARttKAbiPn+VMUef0zr9dpWr9l4xOmWhSzkBN8qHnKb+CKGLgeZt7X3QLOAYAJ11lwmkxnp78YaKZ+2S+7yU3siMA7hLsHyudt6TPNIguyvsuItosJysbprM0emRQtyDG5E0E2mIU01OXtYOkL+Ho6GicAnRYnBSja2MGBb9HNNieazU2Kmsr6eepHRFI+kbIS29xiOC7RdmtlzMR+XcAMK53jMyM2RADaK0a6DFiM6WSJ4EVDieV2kLdgTYb1TfqdbWX3cP/5PAsbU63vMY51CT8ocwxkL6E99JKwYgRfMOaUtm28uOJxFMcUYTFnov3p7RRBIPE+BKjo0Hu0rTRkFWTKYeEA0VlliHZR/uXnsHlu2xnf1M6/o9BGIxLKOvzMg8nN7LVe2tj0SE5ZtJlcfTEnJXgqSczF1/w17 X-OriginatorOrg: sifive.com X-MS-Exchange-CrossTenant-Network-Message-Id: 46775e9b-0b32-487c-e770-08d79003573c X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jan 2020 04:13:52.0834 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 22f88e9d-ae0d-4ed9-b984-cdc9be1529f1 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: kEuhzK12eCBm79D/2FOtbGxCdqoXgiPjCrQP+Dyo7McVBmaO+YAHBLb3rkTLzXf315ZPuUoFMH7VjqCjVPUbXw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR13MB3799 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the L2 cache controller DT node in SiFive FU540 soc-specific DT file Signed-off-by: Yash Shah Reviewed-by: Palmer Dabbelt --- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 70a1891..a2e3d54 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -54,6 +54,7 @@ reg = <1>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu1_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -77,6 +78,7 @@ reg = <2>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu2_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -100,6 +102,7 @@ reg = <3>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu3_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -123,6 +126,7 @@ reg = <4>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu4_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -253,6 +257,17 @@ #pwm-cells = <3>; status = "disabled"; }; + l2cache: cache-controller@2010000 { + compatible = "sifive,fu540-c000-ccache", "cache"; + cache-block-size = <64>; + cache-level = <2>; + cache-sets = <1024>; + cache-size = <2097152>; + cache-unified; + interrupt-parent = <&plic0>; + interrupts = <1 2 3>; + reg = <0x0 0x2010000 0x0 0x1000>; + }; }; }; -- 2.7.4