From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48E0AC28CBC for ; Wed, 6 May 2020 16:44:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1260E20CC7 for ; Wed, 6 May 2020 16:44:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pzxADcXd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1260E20CC7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=VnqccIjBraaAN7VGCrhBEm3F2uXv69QJtKpT9JtFYk0=; b=pzx ADcXd8YNwq60Z/2EOcxWNgr4tVpa0GqufYQW+/YTn3NEUbCBynye1GKFq1puKZ8cO4yCqu8aoAQnn 1QkwqFa3/69u4UuLPUzj0asqylpZwAqNy7wo9KdaZ1na+akgZHM+e+Xu96tjp+slAHPbhrWMb3HDP P/KuOwo5hidJTjpol+W8tBHlkimXL35pEHKM+XD12YwF1cSlbXmeMB5CYGzZz6hz+A3+cNOcGs/iO zKvhZKHEd5PrH1+0XPfKujUrugrGpIGNeeixpb3Wp6hQfh/ONQonnF12zlLl42E2iVDdEmTVdKjj5 8CrH4TWM5fDsuWhw1CATsC/vQBkr3eA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWN9i-0000fc-RL; Wed, 06 May 2020 16:44:22 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWN9f-0000eC-Gn for linux-arm-kernel@lists.infradead.org; Wed, 06 May 2020 16:44:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3FA98D6E; Wed, 6 May 2020 09:44:18 -0700 (PDT) Received: from usa.arm.com (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E3DD63F305; Wed, 6 May 2020 09:44:16 -0700 (PDT) From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/7] firmware: smccc: Add basic SMCCC v1.2 + ARCH_SOC_ID support Date: Wed, 6 May 2020 17:44:04 +0100 Message-Id: <20200506164411.3284-1-sudeep.holla@arm.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200506_094419_600830_BBF8B01C X-CRM114-Status: GOOD ( 11.57 ) 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 , Lorenzo Pieralisi , Arnd Bergmann , Catalin Marinas , linux-kernel@vger.kernel.org, Steven Price , harb@amperecomputing.com, Sudeep Holla , Will Deacon MIME-Version: 1.0 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 Hi, This patch series adds support for SMCCCv1.2 ARCH_SOC_ID. This doesn't add other changes added in SMCCC v1.2 yet. They will follow these soon along with its first user SPCI/PSA-FF. This is tested using upstream TF-A + the patch[2] fixing the original implementation there. v1[0]->v2[1]: - Incorporated comments from Steven Price in patch 5/5 - Fixed build for CONFIG_PSCI_FW=n on some arm32 platforms - Added Steven Price's review tags v2[1]->v3: - Incorporated additional comments from Steven Price in patch 5/5 and added his review tags - Refactored SMCCC code from PSCI and moved it under drivers/firmware/smccc/smccc.c - Also moved soc_id.c under drivers/firmware/smccc Regards, Sudeep [0] https://lore.kernel.org/r/20200430114814.14116-1-sudeep.holla@arm.com/ [1] https://lore.kernel.org/r/20200504092905.10580-1-sudeep.holla@arm.com/ [2] https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/4002 Sudeep Holla (7): firmware: smccc: Add HAVE_ARM_SMCCC_DISCOVERY to identify SMCCC v1.1 and above firmware: smccc: Update link to latest SMCCC specification firmware: smccc: Add the definition for SMCCCv1.2 version/error codes firmware: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead firmware: smccc: Refactor SMCCC specific bits into separate file firmware: smccc: Add function to fetch SMCCC version firmware: smccc: Add ARCH_SOC_ID support MAINTAINERS | 9 ++ arch/arm64/kernel/paravirt.c | 2 +- drivers/firmware/Kconfig | 6 +- drivers/firmware/Makefile | 3 +- drivers/firmware/psci/psci.c | 21 +--- drivers/firmware/smccc/Kconfig | 25 +++++ drivers/firmware/smccc/Makefile | 4 + drivers/firmware/smccc/smccc.c | 30 ++++++ drivers/firmware/smccc/soc_id.c | 168 ++++++++++++++++++++++++++++++++ include/linux/arm-smccc.h | 34 ++++++- include/linux/psci.h | 7 -- 11 files changed, 278 insertions(+), 31 deletions(-) create mode 100644 drivers/firmware/smccc/Kconfig create mode 100644 drivers/firmware/smccc/Makefile create mode 100644 drivers/firmware/smccc/smccc.c create mode 100644 drivers/firmware/smccc/soc_id.c -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel