From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avaneesh Kumar Dwivedi Subject: [RESEND: PATCH v4 0/4] Add memory ownership switch support and enable mss rproc on msm8996 Date: Tue, 16 May 2017 23:31:58 +0530 Message-ID: <1494957722-13264-1-git-send-email-akdwived@codeaurora.org> Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:37422 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751866AbdEPSCM (ORCPT ); Tue, 16 May 2017 14:02:12 -0400 Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: bjorn.andersson@linaro.org Cc: sboyd@codeaurora.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, Avaneesh Kumar Dwivedi This patch does following 1- Adds new scm call which helps in stage two translation of a memory region so that memory ownership sharing and switching can be achieved on armv8 and later. 2- Enable mss remoteproc on msm8996 Major changes since last patch: 1- Refactored SCM API 2- Changed SCM API Signature 3- Added cpu_to_le32() as and where required 4- Elaborated documentation of new API added 5- Refactored MSS rproc code which make the scm api call 6- Refactored mss rproc code to first load all segments and then transfer ownership of memory region to MSS for authentication and boot etc. 7- Other Minor changes 8- kbuild robot gave error so added dummy definition of __qcom_scm_assign_mem() in qcom_scm-32.c as well Avaneesh Kumar Dwivedi (4): firmware: scm: Add new SCM call for switching memory ownership remoteproc: qcom: refactor mss fw image loading sequence remoteproc: qcom: Make secure world call for mem ownership switch remoteproc: qcom: Add support for mss boot on msm8996 .../devicetree/bindings/remoteproc/qcom,q6v5.txt | 4 +- drivers/firmware/qcom_scm-32.c | 6 + drivers/firmware/qcom_scm-64.c | 27 ++ drivers/firmware/qcom_scm.c | 75 ++++++ drivers/firmware/qcom_scm.h | 4 + drivers/remoteproc/qcom_q6v5_pil.c | 280 ++++++++++++++++++--- include/linux/qcom_scm.h | 14 ++ 7 files changed, 370 insertions(+), 40 deletions(-) -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.