From patchwork Wed Feb 2 18:22:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hari Nagalla X-Patchwork-Id: 1587752 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=FVAqd3VC; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4JpqsR12fjz9sCD for ; Thu, 3 Feb 2022 05:22:35 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id CB4E2838F5; Wed, 2 Feb 2022 19:22:30 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="FVAqd3VC"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 0DDD68390B; Wed, 2 Feb 2022 19:22:29 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id CB9E5838AD for ; Wed, 2 Feb 2022 19:22:25 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=hnagalla@ti.com Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 212IMO8k078423 for ; Wed, 2 Feb 2022 12:22:24 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1643826144; bh=WWPaCT7Zh9MDwFGu5FupMrtsjCrHrno3b7BJRUmlzU0=; h=From:To:CC:Subject:Date; b=FVAqd3VCfZweqmrOU1kATUdvv5TIz+NmrlrJpNgWzKqRvVBOiFBzaCsJIhN9FYL1d 9R1Xv18Uql/yTL8B9sxQyNX7TCGy32b4/D7eLS5b1Mcxze0zwASq3rYdNn+3sH9PiT 2SwnXj/4WxgGg7/5nGRyA8PaspILOhFIfvOZtnO0= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 212IMOxl117526 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 2 Feb 2022 12:22:24 -0600 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Wed, 2 Feb 2022 12:22:24 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Wed, 2 Feb 2022 12:22:23 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 212IMNAP110823; Wed, 2 Feb 2022 12:22:24 -0600 From: Hari Nagalla To: CC: Subject: [PATCH v1 0/4] Add ESM driver support for AM64x R5 Date: Wed, 2 Feb 2022 12:22:19 -0600 Message-ID: <20220202182223.16521-1-hnagalla@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean AM64x devices have a main ESM and a MCU ESM. The ESM driver enables routing of the error events from various sources to different processors or to reset hardware logic. Only the MCU ESM's high output can trigger reset logic. The main RTI0 WWDT output can be routed to the MCU highoutput to trigger reset through the main ESM. For this reset to occur CTRLMMR_MCU_RST_CTRL:MCU_ESM_ERROR_RESET_EN_Z is set to '0'. AM64x Technical Reference Manual - https://www.ti.com/lit/pdf/spruim2 Hari Nagalla (4): misc: k3_esm: Add functionality to set and route error events within K3SoC arm: dts: k3-am64: Add support for ESM device nodes arch: arm: mach-k3: am642_init: Probe ESM nodes configs: am64x_evm_r5_defconfig: Add support for ESM arch/arm/dts/k3-am64.dtsi | 1 + arch/arm/dts/k3-am642-r5-evm.dts | 19 ++++++++++++ arch/arm/dts/k3-am642-r5-sk.dts | 19 ++++++++++++ arch/arm/mach-k3/am642_init.c | 28 +++++++++++++++++ configs/am64x_evm_r5_defconfig | 1 + drivers/misc/k3_esm.c | 53 ++++++++++++++++++++++++++++++-- 6 files changed, 118 insertions(+), 3 deletions(-)