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Thu, 30 Jan 2020 15:36:25 +0000 Received: from AM0PR03MB3651.eurprd03.prod.outlook.com ([fe80::f0ed:9987:f93f:76d3]) by AM0PR03MB3651.eurprd03.prod.outlook.com ([fe80::f0ed:9987:f93f:76d3%7]) with mapi id 15.20.2686.025; Thu, 30 Jan 2020 15:36:24 +0000 Received: from arm-deb9.n7space.com (85.232.243.86) by AM0PR0402CA0031.eurprd04.prod.outlook.com (2603:10a6:208:15::44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2665.20 via Frontend Transport; Thu, 30 Jan 2020 15:36:24 +0000 From: =?iso-8859-2?Q?Wojciech_=AFmuda?= To: "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "coresight@lists.linaro.org" Subject: [PATCH 0/1] Xilinx Zynq Ultrascale+ MPSoc CoreSight DT nodes Thread-Topic: [PATCH 0/1] Xilinx Zynq Ultrascale+ MPSoc CoreSight DT nodes Thread-Index: AQHV14MHfOvnV7RdIEuRZSCDICwobA== Date: Thu, 30 Jan 2020 15:36:24 +0000 Message-ID: <20200130153613.20365-1-wzmuda@n7space.com> Accept-Language: en-US, pl-PL Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM0PR0402CA0031.eurprd04.prod.outlook.com (2603:10a6:208:15::44) To AM0PR03MB3651.eurprd03.prod.outlook.com (2603:10a6:208:42::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=wzmuda@n7space.com; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mark.rutland@arm.com" , "mathieu.poirier@linaro.org" , "rajan.vaja@xilinx.com" , Michal Mosdorf , "antoine.tenart@bootlin.com" , "nava.manne@xilinx.com" , "michal.simek@xilinx.com" , "m.tretter@pengutronix.de" , "t-kristo@ti.com" , Krzysztof Pilch , =?iso-8859-2?Q?Wojciech_=AFmuda?= , "robh+dt@kernel.org" , =?iso-8859-2?Q?Micha=B3_Kurowski?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wojciech Zmuda This patch adds CoreSight nodes to Zynq US+ device tree. I tested in on recent v5.5 tree, on Xilinx ZCU104 development board. Tracing with perf: root@zynq:~# perf record -e cs_etm/timestamp,cycacc,@tmc_etr0/u true Couldn't synthesize bpf events. [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.073 MB perf.data ] root@zynq:~# perf report --dump | grep "CoreSight ETM Trace data" -A10 . ... CoreSight ETM Trace data: size 74112 bytes Idx:0; ID:14; I_ASYNC : Alignment Synchronisation. Idx:12; ID:14; I_TRACE_INFO : Trace Info.; INFO=0x1 { CC.1 }; CC_THRESHOLD=0x100 Idx:19; ID:14; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0xFFFF800010839BF8; Idx:28; ID:14; I_TRACE_ON : Trace On. Idx:29; ID:14; I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64 bit, IS0.; Addr=0x0000FFFF83F37080; Ctxt: AArch64,EL0, NS; CID=0x00000281; Idx:44; ID:14; I_ATOM_F1 : Atom format 1.; E Idx:45; ID:14; I_CCNT_F1 : Cycle Count format 1.; Count=0x0 Idx:46; ID:14; I_TIMESTAMP : Timestamp.; Updated val = 0x29aa0b739ec; CC=0x1 Idx:58; ID:14; I_EXCEPT : Exception.; Data Fault; Ret Addr Follows; Idx:60; ID:14; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0x0000FFFF83F37964; Please note that to get non-zero timestamps on this platform, the timestamp generator module needs to be explicitly enabled, e.g. from U-Boot, by writing '1' to 0xfe900000. Debug components: root@zynq:~# echo 1 > /sys/kernel/debug/coresight_cpu_debug/enable root@zynq:~# echo c > /proc/sysrq-trigger [ 57.5093] ARM external debug module: [ 57.513099] coresight-cpu-deb fec10000.debug0: CPU[0]: [ 57.518407] coresight-cpu-debug fec10000.debug0: EDPRSR: 00000001 (Power:On DLK:Unlock [ 57.526583] coresight-cpu-debug fec10000.debug0: EDPCSR: ocal_cpu_stop+0x2c/0x38 [ 57.534236] coresight-cpu-debug fec10000.debug0: EDCIDSR: 00000000 [ 57.540494] coresit-cpu-debug fec10000.debug0: EDVIDSR: 90000000 (State:Non-sece Mode:EL1/0 Width:64bits VMID:0) [ 57.551095] coresight-cpu-debug fed10000.debug1: CPU[1]: [ 57.556406] coresig-cpu-debug fed10000.debug1: EDPRSR: 00000001 (Power:On DLK:Uock) [ 57.564584] coresight-cpu-debug fed10000.debug1: EDPCSR: local_cpu_stop+0x2c/0x38 [ 57.572237] coresightpu-debug fed10000.debug1: EDCIDSR: 00000000 [ 57.578494] cesight-cpu-debug fed10000.debug1: EDVIDSR: 90000000 (State:Non-secure Mode:EL1/0 Width:64bits VMID:0) [ 57.589096]oresight-cpu-debug fee10000.debug2: CPU[2]: [ 57.594408] cosight-cpu-debug fee10000.debug2: EDPRSR: 00000001 (Power:On DLK:Unlock) [ 57.602587] coresight-cpu-debug fee10000ebug2: EDPCSR: debug_notifier_call+0x2b8/0x3b0 [ 57.61084 coresight-cpu-debug fee10000.debug2: EDCIDSR: 00000170 [ 57.617103] coresight-cpu-debug fee10000.debug2: EDVIDSR90000000 (State:Non-secure Mode:EL1/0 Width:64bits VMID:0) [ 57.627705] coresight-cpu-debug fef10000.debug3: CPU[3]: [ 57.633016] coresight-cpu-debug fef10000.debug3: EDPRSR: 0000001 (Power:On DLK:Unlock) [ 57.641193] coresight-cpu-deg fef10000.debug3: EDPCSR: local_cpu_stop+0x2c/0x38 [ 57.648846] coresight-cpu-debug fef10000.debug3: EDCIDSR: 000000 [ 57.655104] coresight-cpu-debug fef10000.debug3: EDDSR: 90000000 (State:Non-secure Mode:EL1/0 Width:64bits VMID:0) [ 57.665708] Rebooting in 60 seconds.. Wojciech Zmuda (1): arm64: zynqmp: Add CoreSight components arch/arm64/boot/dts/xilinx/zynqmp-coresight.dtsi | 272 +++++++++++++++++++++++ arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 + 2 files changed, 274 insertions(+) create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-coresight.dtsi -- 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel