Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp1808249ybz; Thu, 23 Apr 2020 06:21:28 -0700 (PDT) X-Google-Smtp-Source: APiQypKSAu8mLGjWKqkdFkwCEQ8qYt+TzYj0NoruS4loKNEoWB8T2jwrUhKiDQTp53auPTG7kbTd X-Received: by 2002:aa7:c0d2:: with SMTP id j18mr2668723edp.283.1587648088288; Thu, 23 Apr 2020 06:21:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587648088; cv=none; d=google.com; s=arc-20160816; b=a+4QeauvevIsmrfoyMI69OkS8y9poOCF7KSFA9CISEZsfmCdaqy1bsomGYZ3R8sknF 1+mMY0rpngq8MvOIchg1Mp/lHQ4lPhFO5RkKj4DBWlFyKhv2Kp/mJ6KvVoxVOd8PYJMH 0kUc06zApagKVg+/3Vu6v7c3it/KM2xlYpq8MTSrAiwvQRHAoZu+k57JIgg3NEL2b2gE zQ+hWVDxqo6qQBSfbNGg9fM+XIRkgXz7wtuqdx7iKXjPDWb2EpJmZtNCFo+LDyXG6b1I iaXqjRLi+dJzs2ApZ+79jgrwJOq4tgm1L41JY2Nj7AuAnT3cj2brrO7d6Nnt66hRdccx jdRA== 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=bWGyr2OPFEYipJzOCA9+YhEVp9WsPMm5ikLMe52JeBI=; b=E8MAOZrvApdBhwPzsvVQgr3OZSvjKeQ9rJ5EvkognUVrNAIr61B34JOsCZprmtlhcg zaqPys9n2zyr/WLpPd5xRrSUsfYv0peK2bCyZ1rwdnehOAxDPvjKNk1WyfhOA1yoYbQM rzCOBnpPWiSelcOP06RDAcHFaxx5MBhOli7Q4iC5bM9m3V14RK160+87zRkYxXuM31ns eViZcT4LUkozZIFVg6uzpIXetB1Cj4iyxcBg9XW7WNJfexBuhsUwC1eWqUTc0gvZbhxO 7ZHLebL5LiypCp/yScC7FzqGjCtuHtP7bMeuh4mY7kE3oR0zaeO54mjE0bNTr5wqKfRU eP4w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b=OcnclZ5z; 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 m17si1242964eds.398.2020.04.23.06.21.03; Thu, 23 Apr 2020 06:21:28 -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=OcnclZ5z; 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 S1727909AbgDWNTj (ORCPT + 99 others); Thu, 23 Apr 2020 09:19:39 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:58500 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727125AbgDWNTh (ORCPT ); Thu, 23 Apr 2020 09:19:37 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03NDCX7d009209; Thu, 23 Apr 2020 15:19:17 +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=bWGyr2OPFEYipJzOCA9+YhEVp9WsPMm5ikLMe52JeBI=; b=OcnclZ5z23GMDRx2jxDE77tYL+3KyB7ULU6zbJVk+ODxzl2RIpuYZxLSTwfQW72mP+Zs fGEnZ3gMmU6LNVLbfDdKbXaPnULH5gFLYzqFLoPACdGSkSmvEEkJ5bsisogv1B3lyO9B V9XGiCbX5M67WC4RLphKcy0RIcf3fUqzBTugugm4h4U2wDF6afHcrUixz0sauP4HjVS2 Wast7SAT3yknAb338UrRaSck5keScWktkU7SfSsEi6xOocTDXuTNQisXuLplHIO+bgAD fqcTNJqFm899pTwkhYfFmDstax/ojn5j0dBmYc/aduLwoY9eGxnAa7toD/PAVcigc4Zo ng== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 30fregw0k5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Apr 2020 15:19:17 +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 968E010002A; Thu, 23 Apr 2020 15:19:16 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node3.st.com [10.75.127.9]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 86B4020758D; Thu, 23 Apr 2020 15:19:16 +0200 (CEST) Received: from localhost (10.75.127.46) by SFHDAG3NODE3.st.com (10.75.127.9) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 23 Apr 2020 15:19:15 +0200 From: Benjamin Gaignard To: , , , , , CC: , , , , Benjamin Gaignard Subject: [PATCH v2 0/5] STM32 ETZPC bus controller Date: Thu, 23 Apr 2020 15:19:08 +0200 Message-ID: <20200423131913.30786-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG3NODE1.st.com (10.75.127.7) 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=2020-04-23_10:2020-04-23,2020-04-23 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. version 2: - fix unit name into st,stm32-etzpc.yaml example and DT 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