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=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 6DDCDC433E0 for ; Mon, 18 May 2020 09:12:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4756D207D8 for ; Mon, 18 May 2020 09:12:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726412AbgERJM2 (ORCPT ); Mon, 18 May 2020 05:12:28 -0400 Received: from foss.arm.com ([217.140.110.172]:36338 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726040AbgERJM2 (ORCPT ); Mon, 18 May 2020 05:12:28 -0400 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 BA456106F; Mon, 18 May 2020 02:12:27 -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 699F43F68F; Mon, 18 May 2020 02:12:26 -0700 (PDT) From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org Cc: Sudeep Holla , Catalin Marinas , Will Deacon , Mark Rutland , Lorenzo Pieralisi , Steven Price , linux-kernel@vger.kernel.org, Arnd Bergmann , harb@amperecomputing.com Subject: [PATCH v4 0/7] firmware: smccc: Add basic SMCCC v1.2 + ARCH_SOC_ID support Date: Mon, 18 May 2020 10:12:15 +0100 Message-Id: <20200518091222.27467-1-sudeep.holla@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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[3] 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[2]: - 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 v3[2]->v4: - Incorporated all the review comments from Mark R 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://lore.kernel.org/r/20200506164411.3284-1-sudeep.holla@arm.com/ [3] 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 | 22 ++--- drivers/firmware/smccc/Kconfig | 25 ++++++ drivers/firmware/smccc/Makefile | 4 + drivers/firmware/smccc/smccc.c | 31 +++++++ drivers/firmware/smccc/soc_id.c | 151 ++++++++++++++++++++++++++++++++ include/linux/arm-smccc.h | 27 +++++- include/linux/psci.h | 7 -- 11 files changed, 256 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