From patchwork Wed Jan 20 09:27:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 366970 Delivered-To: patch@linaro.org Received: by 2002:a17:906:24d5:0:0:0:0 with SMTP id f21csp20381ejb; Wed, 20 Jan 2021 01:31:34 -0800 (PST) X-Google-Smtp-Source: ABdhPJzi3542s8l9+Yh7SzsEaV8MKYZ6Ryj5M38KpyZrt5+Uqkj1B+ogmHfWp7/Jnzjzh4mg3Ijo X-Received: by 2002:a25:86c1:: with SMTP id y1mr11727226ybm.401.1611135093970; Wed, 20 Jan 2021 01:31:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611135093; cv=none; d=google.com; s=arc-20160816; b=oSW1gJNttKqVOV+7J/lnp2ZvFV/gV+zjCy7SdYFmu0Z3jq0/1XoxGfVf81D7dBdxSO D0Avftohxir8pbwZmUbXnk8ZmjFUbX0aWJKlQw+s4HodwLANc+Jy5TPs00RjKZ58Fq4y pVgz8FmOgQX3UjldJLeiHOPxMwfyy8RQCIiFyIsomNxqleMt1I2A2WyoZzO9lKMpjmeA g+uMQduiokiNU/1GtwUqHmXYS5w12ves4cDxDu41cS72gFXlEnl36Tdjc10ulJ1bajdQ UfmOVKEvOovXRtCWvLiTIp4v58jZOUsn7mnN+ay9Mrlb7qnfFipbL3c3qavLN3wONqWp nMhQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:references:in-reply-to :message-id:date:subject:to:from:dkim-signature; bh=ZAUGXZKLwFoOrXUE2K2BvuNgQf8/KK9NgRNqx7LDTjE=; b=0UjcU1HjZygZ0306olxgmTmXJiZxZTpDfShYJbgJAKkjgzEC93dKoheSVm6l5q/8RM d3RHePgzBjaMmCl/xi8Cj6HkhKPnzfKKX/IikO85ksowXPTbN3VSDfOaQr8Z2NJrUVNM 1ZUeghIt0MYVXxUcghFSUBoYf79OO9u1LdKL66ripr50aJE+UOTszeqF6YETWz9NA+Qt N00hZNQZLw/svBi2QoQLR8w91AbacFaAOQuDNGsm/W+dus7SBo+3pKlSPOp2W5W0wUi8 XprSbg6T/OLK8v/dFxtvCXwjcJy37iYhkyuNNJBQBBHnYOEUV/asGoszrIR+d4s6W2AH /Tqw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=kyXhf3Tf; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id o13si1454622yba.386.2021.01.20.01.31.33 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Jan 2021 01:31:33 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=kyXhf3Tf; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:45336 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l29pt-00045g-BS for patch@linaro.org; Wed, 20 Jan 2021 04:31:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l29mS-0000t9-Q2 for qemu-devel@nongnu.org; Wed, 20 Jan 2021 04:28:00 -0500 Received: from mail-lj1-x231.google.com ([2a00:1450:4864:20::231]:46567) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l29mO-00055m-RF for qemu-devel@nongnu.org; Wed, 20 Jan 2021 04:28:00 -0500 Received: by mail-lj1-x231.google.com with SMTP id u11so25195442ljo.13 for ; Wed, 20 Jan 2021 01:27:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ZAUGXZKLwFoOrXUE2K2BvuNgQf8/KK9NgRNqx7LDTjE=; b=kyXhf3TfCZ7dPZKE+Kc79+mAEt+u4+YOBn11xsIR/lQJz8ubXZurUSu0s6TQROTYy+ xUpce4t+b58pubzXvnO/iWqbe0VaCm+XLzbSHiHXj+5+tr8g+jz6ktkeSExhQ+Pdr9a4 +QZDfA4e1B4J4VWnGBhKATdEI1cpTHduql53xjT6YAuGFuRWeM5qTXzUy7fQNI6vYE0J 0lumhJ+mkHf6OpnPK9TvaBFLJnu8Fb7++bksaO/fGfbhePsmHl7jJDB151ZYI8pTOkuH XBOTNatW6I7v1DBy+Q0iJj9gh0clxb8QgA3Qe3PHrvAs1sbRHrktJOcxrZnAzI3YwsaS xL+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ZAUGXZKLwFoOrXUE2K2BvuNgQf8/KK9NgRNqx7LDTjE=; b=cQkPqeylHXqCvnrqTMuVpTnGfJf7zNJaK+382Vk9BMAaAVc5Wf9a1wgxS71wiMCKFO QGTMrzE/vXl7R/FX9PIPtGjBycTyRFHho6mmsHO5eRyD/wAclfFCdtbFv4gcqIDojKhr MBYFf0Od4tW3FpNZOtN4+w+7+5H4fLxjDNOQM3uZL+2b/rtKYLcj3cOPb6YQHKeU94dv Uk4qYjXBLHSRMouVQWPDxoM+w9yGdS/lvxeIytiNmY3wNf6zQS2wS73nrSoqyMQegJ3m vL11VjWCPxSBbHztJHE4+TRDEDze08zPG9SK1mtZp4nxHuGJyXhbkUmbubWuRvwGRz3h mnDQ== X-Gm-Message-State: AOAM530GaU0SyrhdUx6Lga0NEVarmScz+TfmM4aEVRnpH5iIDMrfe9bb NooamIamhYJQSffVTxzzCxyjXQ== X-Received: by 2002:a2e:8557:: with SMTP id u23mr3988706ljj.287.1611134873626; Wed, 20 Jan 2021 01:27:53 -0800 (PST) Received: from localhost.localdomain ([2.92.195.184]) by smtp.gmail.com with ESMTPSA id r81sm147479lff.215.2021.01.20.01.27.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 01:27:53 -0800 (PST) From: Maxim Uvarov To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCHv8 1/3] hw: gpio: implement gpio-pwr driver for qemu reset/poweroff Date: Wed, 20 Jan 2021 12:27:46 +0300 Message-Id: <20210120092748.14789-2-maxim.uvarov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210120092748.14789-1-maxim.uvarov@linaro.org> References: <20210120092748.14789-1-maxim.uvarov@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:20::231; envelope-from=maxim.uvarov@linaro.org; helo=mail-lj1-x231.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, drjones@redhat.com, Maxim Uvarov , Jose.Marinho@arm.com, f4bug@amsat.org, tf-a@lists.trustedfirmware.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Implement gpio-pwr driver to allow reboot and poweroff machine. This is simple driver with just 2 gpios lines. Current use case is to reboot and poweroff virt machine in secure mode. Secure pl066 gpio chip is needed for that. Signed-off-by: Maxim Uvarov Reviewed-by: Hao Wu --- hw/gpio/Kconfig | 3 ++ hw/gpio/gpio_pwr.c | 70 +++++++++++++++++++++++++++++++++++++++++++++ hw/gpio/meson.build | 1 + 3 files changed, 74 insertions(+) create mode 100644 hw/gpio/gpio_pwr.c -- 2.17.1 Reviewed-by: Peter Maydell diff --git a/hw/gpio/Kconfig b/hw/gpio/Kconfig index b6fdaa2586..f0e7405f6e 100644 --- a/hw/gpio/Kconfig +++ b/hw/gpio/Kconfig @@ -8,5 +8,8 @@ config PL061 config GPIO_KEY bool +config GPIO_PWR + bool + config SIFIVE_GPIO bool diff --git a/hw/gpio/gpio_pwr.c b/hw/gpio/gpio_pwr.c new file mode 100644 index 0000000000..7714fa0dc4 --- /dev/null +++ b/hw/gpio/gpio_pwr.c @@ -0,0 +1,70 @@ +/* + * GPIO qemu power controller + * + * Copyright (c) 2020 Linaro Limited + * + * Author: Maxim Uvarov + * + * Virtual gpio driver which can be used on top of pl061 + * to reboot and shutdown qemu virtual machine. One of use + * case is gpio driver for secure world application (ARM + * Trusted Firmware.). + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* + * QEMU interface: + * two named input GPIO lines: + * 'reset' : when asserted, trigger system reset + * 'shutdown' : when asserted, trigger system shutdown + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "sysemu/runstate.h" + +#define TYPE_GPIOPWR "gpio-pwr" +OBJECT_DECLARE_SIMPLE_TYPE(GPIO_PWR_State, GPIOPWR) + +struct GPIO_PWR_State { + SysBusDevice parent_obj; +}; + +static void gpio_pwr_reset(void *opaque, int n, int level) +{ + if (level) { + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); + } +} + +static void gpio_pwr_shutdown(void *opaque, int n, int level) +{ + if (level) { + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + } +} + +static void gpio_pwr_init(Object *obj) +{ + DeviceState *dev = DEVICE(obj); + + qdev_init_gpio_in_named(dev, gpio_pwr_reset, "reset", 1); + qdev_init_gpio_in_named(dev, gpio_pwr_shutdown, "shutdown", 1); +} + +static const TypeInfo gpio_pwr_info = { + .name = TYPE_GPIOPWR, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(GPIO_PWR_State), + .instance_init = gpio_pwr_init, +}; + +static void gpio_pwr_register_types(void) +{ + type_register_static(&gpio_pwr_info); +} + +type_init(gpio_pwr_register_types) diff --git a/hw/gpio/meson.build b/hw/gpio/meson.build index 5c0a7d7b95..79568f00ce 100644 --- a/hw/gpio/meson.build +++ b/hw/gpio/meson.build @@ -1,5 +1,6 @@ softmmu_ss.add(when: 'CONFIG_E500', if_true: files('mpc8xxx.c')) softmmu_ss.add(when: 'CONFIG_GPIO_KEY', if_true: files('gpio_key.c')) +softmmu_ss.add(when: 'CONFIG_GPIO_PWR', if_true: files('gpio_pwr.c')) softmmu_ss.add(when: 'CONFIG_MAX7310', if_true: files('max7310.c')) softmmu_ss.add(when: 'CONFIG_PL061', if_true: files('pl061.c')) softmmu_ss.add(when: 'CONFIG_PUV3', if_true: files('puv3_gpio.c')) From patchwork Wed Jan 20 09:27:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 366968 Delivered-To: patch@linaro.org Received: by 2002:a02:a60d:0:0:0:0:0 with SMTP id c13csp290519jam; Wed, 20 Jan 2021 01:28:13 -0800 (PST) X-Google-Smtp-Source: ABdhPJyywp0EO28HzaM755/k4Rv+023W4QyZ7KSFCrKqznXLkyMN87tDOT/DDeIIyox3MbgiuS2U X-Received: by 2002:a25:abe3:: with SMTP id v90mr13319568ybi.438.1611134893186; Wed, 20 Jan 2021 01:28:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611134893; cv=none; d=google.com; s=arc-20160816; b=ON3gkPfG9CPmWSGUVY7iqeKgzG1xTFOcNlSoWNvN7VrchX0dX9lMWBRciexXMTmB6Q KnpKzC5XHIvkoDtBb9mhB5cC37EPA6FIAwK8YcHNMk58QJd2ajDNUNA5JKijBKTqgH+q YmxIOThFswMTUDBHFFxuBXZfsRkVAh8L7bx4jmVwej3dp6dUvGKiteVCdDidWlZWyBun 5LeJYwveqHFyZmsbnC24aE4+tO+LeXVKFRmKpv0pTxQPLklVhFk9JuRFLpqmviq+lF9S X+HjzsZoVbz9VyPBz9mz59CFUTb9wcGyAT0yYkiFr59qyFF1GWfCzb5DtKBbJhIeTGsn 8Thg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:references:in-reply-to :message-id:date:subject:to:from:dkim-signature; bh=vEZQ1y1NFv0BYfclNl3dBsXayOat5WWlg5bfIXSoTYA=; b=gDge8HpFVFf0nS1Fl93j4ziAY84gUOZHpVHzSyf1CIT72KfF4QMmA1PfChJ3boQyBe e8lEnBlKZOwSAt49lFRh0vh9RM3iDfmSE2m9sdbKcRgRPN3475Opum9GPNIpMrYQE2a1 dwdKM9eNLtW+f3GHvVGD5ynjQJCYSMxolk2bc9yFRBnG++bE/5qM/3VzttzEwMcMCqdH hcZN0wyMawcN71UFv8H7QrLpMgXFMgaPr0NLmSmf4J9mrn82wYa+0uN2DjHzpXSeTvR0 pag35noRaXWHmHWXFfClMDbo/eS11nzrDYNPWGUCPwL5giWTaeTCgSZn+832QGef5wXZ ZamQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=An9qOYzc; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id k197si1387582ybk.321.2021.01.20.01.28.13 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Jan 2021 01:28:13 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=An9qOYzc; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:37908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l29me-0000uh-J2 for patch@linaro.org; Wed, 20 Jan 2021 04:28:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50628) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l29mT-0000tk-7S for qemu-devel@nongnu.org; Wed, 20 Jan 2021 04:28:01 -0500 Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]:41659) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l29mO-00055w-Re for qemu-devel@nongnu.org; Wed, 20 Jan 2021 04:28:00 -0500 Received: by mail-lf1-x12c.google.com with SMTP id s26so33160730lfc.8 for ; Wed, 20 Jan 2021 01:27:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=vEZQ1y1NFv0BYfclNl3dBsXayOat5WWlg5bfIXSoTYA=; b=An9qOYzcBaft+pwc8SwyMU1x8szv07tmYUaHXWtMx0rhfMbbtbd8lrVoS8KPaVCbYz 0zbfXBQmx80bffjo18xV6hHO+74gMNV/TFdPxJNzTLuPvJwXrAASpb1D/KE8/dGOR/oH E9kpTLJU9EfrVi0yu0lDPJJgaPRbIFcqGhbY/7tnFVwbaPXW/U3iL7SvhaNd8RatvVBz zWZJhGJi9uxly7M9JAMMJxDPJC3pT9FaJQJgnionDfOko6YcxKL1t6uirH9j6reWFjxZ JGZYj4Ueyv/zL2F/YMVJKHUZys/+smAVNnMaiNobiaHv3M0WU1oJeVTjusw9uHC8LpBu MiAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vEZQ1y1NFv0BYfclNl3dBsXayOat5WWlg5bfIXSoTYA=; b=jv8QHPNyYnHQmVzCKedqUy81Rr0FCp1+R1ANwDy8bjq4ovRAiPROoZkZTZPmyzKHPo +M2+LyiKXE4QYEUVweXpDcMDLQbOJvH6az28SUZJdxKdHtvjn81iePznIFRMLLS/k7aZ uXGo5Ox0mdtxQC/IVUBWxtAh+EdA17jCw0hUzeKDAODai/kqJFcHm2LHT/gxGvodxB7P C9aSCxNKjbgridTsJ0zN84VIyPjL/C/ML+JQUSdCMl5BC1buXbp6NkVDI7VeZzqQvSHz IqsvBtis52sZ2XCHI7qKsJ7BC4oIETkkjw9o7MbUafQPSOsVmuG4fG1Cf/ewwUmcXDVB NQFQ== X-Gm-Message-State: AOAM533bcbASSf8BV3x7L9yQQ/0PPKNK1mD9o1Bv9MzHzFH05n4jCcRX kr89c43+7gTANbXbi7NSnb1WXQ== X-Received: by 2002:a19:991:: with SMTP id 139mr3774083lfj.637.1611134874895; Wed, 20 Jan 2021 01:27:54 -0800 (PST) Received: from localhost.localdomain ([2.92.195.184]) by smtp.gmail.com with ESMTPSA id r81sm147479lff.215.2021.01.20.01.27.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 01:27:54 -0800 (PST) From: Maxim Uvarov To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCHv8 2/3] arm-virt: refactor gpios creation Date: Wed, 20 Jan 2021 12:27:47 +0300 Message-Id: <20210120092748.14789-3-maxim.uvarov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210120092748.14789-1-maxim.uvarov@linaro.org> References: <20210120092748.14789-1-maxim.uvarov@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:20::12c; envelope-from=maxim.uvarov@linaro.org; helo=mail-lf1-x12c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, drjones@redhat.com, Maxim Uvarov , Jose.Marinho@arm.com, f4bug@amsat.org, tf-a@lists.trustedfirmware.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" No functional change. Just refactor code to better support secure and normal world gpios. Signed-off-by: Maxim Uvarov --- hw/arm/virt.c | 64 ++++++++++++++++++++++++++++++++++----------------- 1 file changed, 43 insertions(+), 21 deletions(-) -- 2.17.1 Reviewed-by: Andrew Jones diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 96985917d3..c427ce5f81 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -820,17 +820,43 @@ static void virt_powerdown_req(Notifier *n, void *opaque) } } -static void create_gpio(const VirtMachineState *vms) +static void create_gpio_keys(const VirtMachineState *vms, + DeviceState *pl061_dev, + uint32_t phandle) +{ + gpio_key_dev = sysbus_create_simple("gpio-key", -1, + qdev_get_gpio_in(pl061_dev, 3)); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-keys"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-keys", "compatible", "gpio-keys"); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys", "#size-cells", 0); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys", "#address-cells", 1); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-keys/poweroff"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-keys/poweroff", + "label", "GPIO Key Poweroff"); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys/poweroff", "linux,code", + KEY_POWER); + qemu_fdt_setprop_cells(vms->fdt, "/gpio-keys/poweroff", + "gpios", phandle, 3, 0); +} + +static void create_gpio_devices(const VirtMachineState *vms, int gpio, + MemoryRegion *mem) { char *nodename; DeviceState *pl061_dev; - hwaddr base = vms->memmap[VIRT_GPIO].base; - hwaddr size = vms->memmap[VIRT_GPIO].size; - int irq = vms->irqmap[VIRT_GPIO]; + hwaddr base = vms->memmap[gpio].base; + hwaddr size = vms->memmap[gpio].size; + int irq = vms->irqmap[gpio]; const char compat[] = "arm,pl061\0arm,primecell"; + SysBusDevice *s; - pl061_dev = sysbus_create_simple("pl061", base, - qdev_get_gpio_in(vms->gic, irq)); + pl061_dev = qdev_new("pl061"); + s = SYS_BUS_DEVICE(pl061_dev); + sysbus_realize_and_unref(s, &error_fatal); + memory_region_add_subregion(mem, base, sysbus_mmio_get_region(s, 0)); + sysbus_connect_irq(s, 0, qdev_get_gpio_in(vms->gic, irq)); uint32_t phandle = qemu_fdt_alloc_phandle(vms->fdt); nodename = g_strdup_printf("/pl061@%" PRIx64, base); @@ -847,21 +873,17 @@ static void create_gpio(const VirtMachineState *vms) qemu_fdt_setprop_string(vms->fdt, nodename, "clock-names", "apb_pclk"); qemu_fdt_setprop_cell(vms->fdt, nodename, "phandle", phandle); - gpio_key_dev = sysbus_create_simple("gpio-key", -1, - qdev_get_gpio_in(pl061_dev, 3)); - qemu_fdt_add_subnode(vms->fdt, "/gpio-keys"); - qemu_fdt_setprop_string(vms->fdt, "/gpio-keys", "compatible", "gpio-keys"); - qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys", "#size-cells", 0); - qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys", "#address-cells", 1); - - qemu_fdt_add_subnode(vms->fdt, "/gpio-keys/poweroff"); - qemu_fdt_setprop_string(vms->fdt, "/gpio-keys/poweroff", - "label", "GPIO Key Poweroff"); - qemu_fdt_setprop_cell(vms->fdt, "/gpio-keys/poweroff", "linux,code", - KEY_POWER); - qemu_fdt_setprop_cells(vms->fdt, "/gpio-keys/poweroff", - "gpios", phandle, 3, 0); + if (gpio != VIRT_GPIO) { + /* Mark as not usable by the normal world */ + qemu_fdt_setprop_string(vms->fdt, nodename, "status", "disabled"); + qemu_fdt_setprop_string(vms->fdt, nodename, "secure-status", "okay"); + } g_free(nodename); + + /* Child gpio devices */ + if (gpio == VIRT_GPIO) { + create_gpio_keys(vms, pl061_dev, phandle); + } } static void create_virtio_devices(const VirtMachineState *vms) @@ -1990,7 +2012,7 @@ static void machvirt_init(MachineState *machine) if (has_ged && aarch64 && firmware_loaded && virt_is_acpi_enabled(vms)) { vms->acpi_dev = create_acpi_ged(vms); } else { - create_gpio(vms); + create_gpio_devices(vms, VIRT_GPIO, sysmem); } /* connect powerdown request */ From patchwork Wed Jan 20 09:27:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 366971 Delivered-To: patch@linaro.org Received: by 2002:a17:906:24d5:0:0:0:0 with SMTP id f21csp21240ejb; Wed, 20 Jan 2021 01:33:03 -0800 (PST) X-Google-Smtp-Source: ABdhPJzV/jzSrp+XJgLy5jyyAC/+lN87fcEm1L23vDmc1FwrL+Rm8bLvCVnWHfWONQLo0nPu7PIj X-Received: by 2002:a25:ce8e:: with SMTP id x136mr1165445ybe.173.1611135183707; 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Connect it with gpio-pwr driver. Signed-off-by: Maxim Uvarov --- hw/arm/Kconfig | 1 + hw/arm/virt.c | 47 +++++++++++++++++++++++++++++++++++++++++++ include/hw/arm/virt.h | 2 ++ 3 files changed, 50 insertions(+) -- 2.17.1 Reviewed-by: Andrew Jones diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 0a242e4c5d..13cc42dcc8 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -17,6 +17,7 @@ config ARM_VIRT select PL011 # UART select PL031 # RTC select PL061 # GPIO + select GPIO_PWR select PLATFORM_BUS select SMBIOS select VIRTIO_MMIO diff --git a/hw/arm/virt.c b/hw/arm/virt.c index c427ce5f81..060a5f492e 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -153,6 +153,7 @@ static const MemMapEntry base_memmap[] = { [VIRT_ACPI_GED] = { 0x09080000, ACPI_GED_EVT_SEL_LEN }, [VIRT_NVDIMM_ACPI] = { 0x09090000, NVDIMM_ACPI_IO_LEN}, [VIRT_PVTIME] = { 0x090a0000, 0x00010000 }, + [VIRT_SECURE_GPIO] = { 0x090b0000, 0x00001000 }, [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, @@ -841,6 +842,43 @@ static void create_gpio_keys(const VirtMachineState *vms, "gpios", phandle, 3, 0); } +#define SECURE_GPIO_POWEROFF 0 +#define SECURE_GPIO_REBOOT 1 + +static void create_gpio_pwr(const VirtMachineState *vms, + DeviceState *pl061_dev, + uint32_t phandle) +{ + DeviceState *gpio_pwr_dev; + + /* gpio-pwr */ + gpio_pwr_dev = sysbus_create_simple("gpio-pwr", -1, NULL); + + /* connect secure pl061 to gpio-pwr */ + qdev_connect_gpio_out(pl061_dev, SECURE_GPIO_REBOOT, + qdev_get_gpio_in_named(gpio_pwr_dev, "reset", 0)); + qdev_connect_gpio_out(pl061_dev, SECURE_GPIO_POWEROFF, + qdev_get_gpio_in_named(gpio_pwr_dev, "shutdown", 0)); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-poweroff"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-poweroff", "compatible", + "gpio-poweroff"); + qemu_fdt_setprop_cells(vms->fdt, "/gpio-poweroff", + "gpios", phandle, SECURE_GPIO_POWEROFF, 0); + qemu_fdt_setprop_string(vms->fdt, "/gpio-poweroff", "status", "disabled"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-poweroff", "secure-status", + "okay"); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-restart"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-restart", "compatible", + "gpio-restart"); + qemu_fdt_setprop_cells(vms->fdt, "/gpio-restart", + "gpios", phandle, SECURE_GPIO_REBOOT, 0); + qemu_fdt_setprop_string(vms->fdt, "/gpio-restart", "status", "disabled"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-restart", "secure-status", + "okay"); +} + static void create_gpio_devices(const VirtMachineState *vms, int gpio, MemoryRegion *mem) { @@ -883,6 +921,8 @@ static void create_gpio_devices(const VirtMachineState *vms, int gpio, /* Child gpio devices */ if (gpio == VIRT_GPIO) { create_gpio_keys(vms, pl061_dev, phandle); + } else { + create_gpio_pwr(vms, pl061_dev, phandle); } } @@ -2015,6 +2055,10 @@ static void machvirt_init(MachineState *machine) create_gpio_devices(vms, VIRT_GPIO, sysmem); } + if (vms->secure && !vmc->no_secure_gpio) { + create_gpio_devices(vms, VIRT_SECURE_GPIO, secure_sysmem); + } + /* connect powerdown request */ vms->powerdown_notifier.notify = virt_powerdown_req; qemu_register_powerdown_notifier(&vms->powerdown_notifier); @@ -2630,8 +2674,11 @@ DEFINE_VIRT_MACHINE_AS_LATEST(6, 0) static void virt_machine_5_2_options(MachineClass *mc) { + VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); + virt_machine_6_0_options(mc); compat_props_add(mc->compat_props, hw_compat_5_2, hw_compat_5_2_len); + vmc->no_secure_gpio = true; } DEFINE_VIRT_MACHINE(5, 2) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index abf54fab49..6f6c85ffcf 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -81,6 +81,7 @@ enum { VIRT_GPIO, VIRT_SECURE_UART, VIRT_SECURE_MEM, + VIRT_SECURE_GPIO, VIRT_PCDIMM_ACPI, VIRT_ACPI_GED, VIRT_NVDIMM_ACPI, @@ -127,6 +128,7 @@ struct VirtMachineClass { bool kvm_no_adjvtime; bool no_kvm_steal_time; bool acpi_expose_flash; + bool no_secure_gpio; }; struct VirtMachineState {