Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3798839ybz; Mon, 20 Apr 2020 09:38:42 -0700 (PDT) X-Google-Smtp-Source: APiQypL3OwYhEtm8Ot4/7dcyj/Am9JpacPzMrONhteyVvsGrUIBM7outMOooD0dLkeP/RQWHHG7X X-Received: by 2002:a50:bb07:: with SMTP id y7mr1565142ede.358.1587400722155; Mon, 20 Apr 2020 09:38:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587400722; cv=none; d=google.com; s=arc-20160816; b=WM+4LEyPGbUkhPj8TKh5Wb4+KNKgoQteNFA06fX+P7xaYrdc27bx/Ulhsc4PJuW8gF QJ5FaUBA4a8fwLzhjp87I0qW1DnXc64/6Ew8wtTFhXxEq99/vZe5E5C90GkFmjsfsgTF wmlOSROZ88657flSggXQivQIvg+ZrN4VdgpsJmAUzD4fnI6xHfFpAsH7qIxLoSESuADf ugdQF372QD10+6DM4kVCLjP1k6fVD73BeCf/1W4TwPjMNMzS9xbWxbpcQWmVRNzGkNet HtwctkltrBvtrogkp51ezPshY7ngYg1HIfxppJe/cj02zfZtbKawV6SI0D502Yc7fbJj Ag8A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from:dkim-signature; bh=newRPJ2KK45rNiffU6kVcqsdXEu/KH0QagJjvhUP/K0=; b=xZgD82qPS/SKy5NgI+8AMosGWA3GdjFSSy3e0Eq5/46B0rwv4Z5rlaQv53oZ+uGeqM UKMTK/sH8EHL2DkqAlF7FQKJFSO8K982SAj63J68Yw/p+6qOcRbSb5memkG5446lyQg0 xiLpoyzkL2poktflUghrHrt+B3NttHQluoSZnnD4VlHJmioHp9qITF3NflvYLw2EeXL+ lwTMQ8qqyhwR8ePUWT4kOFqkPA0fFycY/TqmOhFN8FhIIywSLzG8jrRUS4CefMv4RjGh CYyn4I+ft0JdoEpiZurE3663zYvDFThBhZYnyueJPeqe+zQ+9usrbyQbfd97eoVCgk0q 1lnQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b=XPqRoJjK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=st.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s25si862372edw.441.2020.04.20.09.38.19; Mon, 20 Apr 2020 09:38:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b=XPqRoJjK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727983AbgDTNsU (ORCPT + 99 others); Mon, 20 Apr 2020 09:48:20 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:20512 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726105AbgDTNsU (ORCPT ); Mon, 20 Apr 2020 09:48:20 -0400 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03KDgstO005039; Mon, 20 Apr 2020 15:48:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=newRPJ2KK45rNiffU6kVcqsdXEu/KH0QagJjvhUP/K0=; b=XPqRoJjKjDGfeUkdNw+k0fkpiD1WAoNG+4Go2mWVfQak6iXXhpphKOBdEZnrBDOghMd1 teAVobmzETK6a5fKzeWijLz0j+VlaNH+jjGGzIgVsJj+6lmjCVModMSqWzHteuf/a1LA CK46XWPeHPEZo/EDDHEuyCjvVNkkNJDoCHL0ob2Z45L0CXMBxF8+mYitNoNYnJQGyduo dy1a5pDDvr4RWGOsYjA5+5ciFni9uTtkVbezpBTvbc0HZZFCA7xRcAc6z24alNWlu++f Q6Ol5I5aH0CSsjqZh8aVQhxGKUkcaPiqZkIQr9hVXO9uoyuxtzMFQGjJN3H2U5jgiPon /g== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 30fqaw2hyw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Apr 2020 15:48:04 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C1DC710002A; Mon, 20 Apr 2020 15:48:03 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node3.st.com [10.75.127.9]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id B08342B3E2D; Mon, 20 Apr 2020 15:48:03 +0200 (CEST) Received: from localhost (10.75.127.47) by SFHDAG3NODE3.st.com (10.75.127.9) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 20 Apr 2020 15:48:02 +0200 From: Benjamin Gaignard To: , , , , , CC: , , , , Benjamin Gaignard Subject: [PATCH 0/5] STM32 ETZPC bus controller Date: Mon, 20 Apr 2020 15:47:55 +0200 Message-ID: <20200420134800.31604-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG3NODE3.st.com (10.75.127.9) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-20_04:2020-04-20,2020-04-20 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org STM32 Extended TrustZone Protection controller act like a firewall on the platform bus. Depending of its configuration devices could be accessible by the TrustZone, the co-processor or the non-secure world. ETZPC configuration could evolve at runtime for example to switch a device from non-secure world to co-processor. The series introduce 'firewall' helpers to handle the new devices-tree properties. These properties are not dedicated to ETZPC and will be reused for STM32 next generation of bus controller. Benjamin Gaignard (5): dt-bindings: bus: Add firewall bindings bus: stm32: Introduce firewall controller helpers dt-bindings: bus: Add STM32 ETZPC firewall controller bus: stm32: Add stm32 ETZPC firewall bus controller ARM: dts: stm32: Use ETZPC firewall bus .../bindings/bus/stm32/firewall-consumer.yaml | 25 ++ .../bindings/bus/stm32/firewall-provider.yaml | 18 ++ .../bindings/bus/stm32/st,stm32-etzpc.yaml | 46 ++++ arch/arm/boot/dts/stm32mp151.dtsi | 7 +- drivers/bus/Kconfig | 2 + drivers/bus/Makefile | 2 + drivers/bus/stm32/Kconfig | 11 + drivers/bus/stm32/Makefile | 2 + drivers/bus/stm32/firewall.c | 266 +++++++++++++++++++++ drivers/bus/stm32/firewall.h | 75 ++++++ drivers/bus/stm32/stm32-etzpc.c | 160 +++++++++++++ include/dt-bindings/bus/stm32/stm32-etzpc.h | 90 +++++++ 12 files changed, 702 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/bus/stm32/firewall-consumer.yaml create mode 100644 Documentation/devicetree/bindings/bus/stm32/firewall-provider.yaml create mode 100644 Documentation/devicetree/bindings/bus/stm32/st,stm32-etzpc.yaml create mode 100644 drivers/bus/stm32/Kconfig create mode 100644 drivers/bus/stm32/Makefile create mode 100644 drivers/bus/stm32/firewall.c create mode 100644 drivers/bus/stm32/firewall.h create mode 100644 drivers/bus/stm32/stm32-etzpc.c create mode 100644 include/dt-bindings/bus/stm32/stm32-etzpc.h -- 2.15.0