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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?JN5EUKHX0RkHSqMux++DHXuplQtjWbui8x0IoofMT6i5LO2mys5XXRiqFX6f?= =?us-ascii?Q?bjFPTGlTU5xaMHnc1xhuf5ezP3K/v5YMh7fJ14MqLlM+TkN9c8Drx75hiDgN?= =?us-ascii?Q?hwyMN67FNbjGfA4h1Ryz6Pijqo0NiYHvDTKwlbgBXly8Aa5KQiCpixg9IgxE?= =?us-ascii?Q?PRdyWU1hyk7FwK/h1zMzvZG6tjwcm44/dSwDnFzsdh3QWhKIY8MZQGcv0NK6?= =?us-ascii?Q?y57ey37iATb1ZmU2KjlK+BP46u/OGvumK0eXtbhbqPJNOwz2m8uiPVCbiu7O?= =?us-ascii?Q?ouqKOnhJcN64fb22NXeWbNjwGjY6/Y3RUQFBx3HOFczLA17BS3Ek+2t0nj2B?= =?us-ascii?Q?Xy0yPijqwZy5UIjvb40kLDcBTrg71PFr3pHeZ8bKdVSOTBuzINufq3rNg960?= =?us-ascii?Q?r717rJyvJABNbVvlSPK6b6/qkIVs1swrv3vQ0fWTMPOm6irADhux58IXDgvD?= =?us-ascii?Q?WcEmce6dUFOCoR8H/SJkKn++/f9pXQRSjx17kDxFpJfPf5tZwns7yT+64t38?= =?us-ascii?Q?qObcW12+8z18nTmKGe/wgY8dAmBZuE4d+hTFkIV2dwWoGP3OnM6QZVBewHGa?= =?us-ascii?Q?GWxjMrws6RcrmNSQ/NvfSRPQgEQA0M02xXk8YOkqSQ0YfKv07LsITKInhOId?= =?us-ascii?Q?KuFYQxy0z8tgcjD8B0TTDItitwg07OhIYJDsPauspcKLWmA+NaliaG1VcOcE?= =?us-ascii?Q?X33tShG94SgKfZRgloOZQzrTZ2/jTixsBVmTroOC6BHzj0eTvsKL8JoIO5QV?= =?us-ascii?Q?rJN8194XvTACizkj/gpy4j1hSbKfyMHls8BDm3tJRhEROxJo/m4kp+NwZePH?= =?us-ascii?Q?tVEoaqlWYMyMXIiR70eKzGc7iSo6lkK8myAGxttzjVhwslGLLCCOzzv1WygX?= =?us-ascii?Q?hf0/oI71nMUMB+8nXMhziddvUSlQqnVRNP7L9t0Ohls8dm7D/evthJzqg1EL?= =?us-ascii?Q?Fb5dw88XDMLbGE27b0IoKNIfmaiTIcfhekv8iZErZSRWh+kHGVbtwOhFwCZe?= =?us-ascii?Q?i8OVB2DZmp8Zk8lA6X4MSFcqLGcnmbwWzJsmkfytW6OaEOcxLxr82vpaDAvX?= =?us-ascii?Q?CE4lBLB46pjohneeQiWD5rye5fs8u0r+lwLyhdFsMnq9CItCk4lDkaaRtqNE?= =?us-ascii?Q?vjRyB3vxJVOGn7py+bC5pk68SkxQN0KlfyJq+X+yUuZVqaQyuKk6RD+xNyDB?= =?us-ascii?Q?AlItqDBLH4K/q7IUg7zGrIJ06MQWrxArNrDvgQxnMbncucbvvIG07m6wrPaF?= =?us-ascii?Q?gyP4nYVbMgtID5AbSdE1jmUskVxWuwZbF7xXwHM7Mna+Ey7/4/32ooNPXamt?= =?us-ascii?Q?6aRlqKCIC3T6A5OkOmvC/xif1N4NRMsLuEEuJv1yW9q2hqmNzS0QezCM/bOU?= =?us-ascii?Q?VHtRtKC3RNdijjlmIisRGmwby7W1K3l42+7y71fqw95de9lqpZxQa4io/cNq?= =?us-ascii?Q?oXu2ujwRiuXnf5xMvXKR03o7u68nrAgVadZOt5X3jYnU/nxH5U2tq4/n3X/x?= =?us-ascii?Q?RTO0kJG2OarPyAYDb6MmMWTTU8PmralXzgJm09j7CyOmXWD8DhHtnUE9PP6d?= =?us-ascii?Q?h+/PyepTdzNCwTReBlyjdWjhkImj0cvVat7wNtiQ?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4515e9ab-3eb4-49b8-c5a7-08db7d9ad5dc X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4838.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2023 21:00:17.0462 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: USCwHWhtQCUy4wHqOf7y84ga6PNlMvQ1VF0BTXC/I/240xfwtUJDsepCMzmqd7X34912C9P+SoxuRT+mp+k0lQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7389 The reg size of etm nodes is incorrectly set to 64k instead of 4k. This leads to a crash when calling amba_read_periphid(). After corrected reg size, amba_read_periphid() retrieve the correct periphid. arm,primecell-periphid were removed from the etm nodes. Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index cc406bb338fe..e0ca82ff6f15 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -306,8 +306,7 @@ soc: soc@0 { etm0: etm@28440000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28440000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28440000 0x1000>; cpu = <&A53_0>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; @@ -323,8 +322,7 @@ etm0_out_port: endpoint { etm1: etm@28540000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28540000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28540000 0x1000>; cpu = <&A53_1>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; @@ -340,8 +338,7 @@ etm1_out_port: endpoint { etm2: etm@28640000 { compatible = "arm,coresight-etm4x", "arm,primecell"; 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Wed, 5 Jul 2023 21:00:17 +0000 From: Frank Li To: suzuki.poulose@arm.com, coresight@lists.linaro.org, imx@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Marek Vasut , Peng Fan , Alexander Stein , Lucas Stach , Adam Ford , Laurent Pinchart , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/1] arm64: dts: imx8mp: remove arm,primecell-periphid at etm nodes Date: Wed, 5 Jul 2023 16:59:53 -0400 Message-Id: <20230705205954.4159781-1-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SJ0PR05CA0062.namprd05.prod.outlook.com (2603:10b6:a03:332::7) To AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB4838:EE_|VE1PR04MB7389:EE_ X-MS-Office365-Filtering-Correlation-Id: 4515e9ab-3eb4-49b8-c5a7-08db7d9ad5dc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The reg size of etm nodes is incorrectly set to 64k instead of 4k. This leads to a crash when calling amba_read_periphid(). After corrected reg size, amba_read_periphid() retrieve the correct periphid. arm,primecell-periphid were removed from the etm nodes. Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index cc406bb338fe..e0ca82ff6f15 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -306,8 +306,7 @@ soc: soc@0 { etm0: etm@28440000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28440000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28440000 0x1000>; cpu = <&A53_0>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; @@ -323,8 +322,7 @@ etm0_out_port: endpoint { etm1: etm@28540000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28540000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28540000 0x1000>; cpu = <&A53_1>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; @@ -340,8 +338,7 @@ etm1_out_port: endpoint { etm2: etm@28640000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28640000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28640000 0x1000>; cpu = <&A53_2>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; @@ -357,8 +354,7 @@ etm2_out_port: endpoint { etm3: etm@28740000 { compatible = "arm,coresight-etm4x", "arm,primecell"; - reg = <0x28740000 0x10000>; - arm,primecell-periphid = <0xbb95d>; + reg = <0x28740000 0x1000>; cpu = <&A53_3>; clocks = <&clk IMX8MP_CLK_MAIN_AXI>; clock-names = "apb_pclk"; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel