From patchwork Fri Jan 22 21:52:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 368676 Delivered-To: patch@linaro.org Received: by 2002:a02:a60d:0:0:0:0:0 with SMTP id c13csp1877231jam; Fri, 22 Jan 2021 13:56:31 -0800 (PST) X-Google-Smtp-Source: ABdhPJx8AQ0VU8lgEvBc2TXkE3uaU2UiXbUdqo7aCaXo+LaJpNHIPnIThVQGV1JFWXZ9pzGz5xp4 X-Received: by 2002:a25:4a07:: with SMTP id x7mr4655904yba.383.1611352591574; Fri, 22 Jan 2021 13:56:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611352591; cv=none; d=google.com; s=arc-20160816; b=uORzeMxFsczBJ+EIsGf08/FF+UzkkYqeMIhICj+SzEm/WtQoUlHox7wSP8ZN48LKkK Kzy6e6COjf02D0ACLtoQoaFHeoKpkASLoMjIlwuPNBcy0wNKZjUfQ/GK2/46v81F8C27 dLAXmuxIiqM3ProcGkwkWDmr9oKkz4PqwyMtqZ+RTkPbXap8RLTV28cEl7Uds0sMSemG avx8omZvzxr4e4PLVqzJWqZjYciOSa8m/oDVoaKiiPv5kAb9S8+8g+v8CV5UyXE2eMK5 28IsIH83skqFosdoMWoPA7uB2LgryWjJgNbR5JBadWkPIKRiKR9tPq2iYdeHizHkkO1s nyOw== 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=iEyWJZhAZPnLFDMgDIpbGYkV2+NYdmfH2gdbQlh81PQ=; b=bbJazXi8IQs09HTe9KO0DnnCBLdugchW3D9KQolHzzuh+BFBKGQqvypRFGKY5LJ1sa slXT2AjbIcR5q4QloArJZM7KV4wagjmk1EWMDSa+n6sXEEK45nE9WxKBk+Uuy4DNqIyw qwdIgckzQ5c1TfJ1fg7jbxWkgxsR56MwsvNE0aKv8J+GuVw3PpGJbw/Pi0ZnFe736ttW OELZdpCwzy21XCE2krWPNinqZnuAsL+H90Cixb9yNYkrmpM5yC03xO72ep37MI3hPnt/ RLc/ZRftesXENehyHoFVcAq9ScfIKjjKnuWKPnWimo5BksKVFQ0hIGw1oGGZnuqOXzP1 le1g== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=x1VB69CE; 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 e198si9242652ybb.453.2021.01.22.13.56.31 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Jan 2021 13:56:31 -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=x1VB69CE; 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]:46548 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l34Pu-0003Rt-WD for patch@linaro.org; Fri, 22 Jan 2021 16:56:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41400) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l34MA-0000VS-Ot for qemu-devel@nongnu.org; Fri, 22 Jan 2021 16:52:40 -0500 Received: from mail-lf1-x134.google.com ([2a00:1450:4864:20::134]:47017) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l34M5-0007IT-5G for qemu-devel@nongnu.org; Fri, 22 Jan 2021 16:52:38 -0500 Received: by mail-lf1-x134.google.com with SMTP id o10so9555316lfl.13 for ; Fri, 22 Jan 2021 13:52:32 -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=iEyWJZhAZPnLFDMgDIpbGYkV2+NYdmfH2gdbQlh81PQ=; b=x1VB69CEfqvH9ZKopFDbeFrgpyFv3/alukJxhChqnrbFmVYswJ/YZ5GEYvLRjOZ+ys 3iqxdCKmuEVEXEwpZqgxboa2tA6IhodXppBGFUWdhpYk4t4zVU1OyRP8mCIARJIeoHn/ PaaaYe0gsPLipDB3llTTFwFe8cxOOMjQLDwErVLGHDYwjIZIfcXCiGzlqpLGrcFi1VQS 7K6M94OFL4OG8OFcTIrD0pljjK3dVQj1BNi8z8xU8wCxrDsPE/ISxIvD9HpsDoscY5y+ 41IfLRKq3ISjLHLUb6VsH1Wb6M06gIzuEtcVn4p57EjsDTRe8t6/hYKwwEBrzyidhAzT XsOw== 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=iEyWJZhAZPnLFDMgDIpbGYkV2+NYdmfH2gdbQlh81PQ=; b=FKFnSVdzN/WfRlJNBxxpZfLawh82Yoq1Gkzc/xcTdsLUziRHYI9jIeRqjI4NF+97g8 5ZZpJ2swNp/SHemCfzfpqYvKe2k4hgE5LMj+i0gQW0pymho1ckUwwVZH8wuJRZSboaj/ WcEJ/AWg7ujBh9S7LG5flvXPcgPwYWEjsDESm6y+LYyyku9iMoVeY8r10ruG9xz9ZpsX kVTNAidTzNv510Q3+/9+irZpiZoyI/Fl7pEXJOgCCuPA8KvsG/Hiw9pR1ZJdUy1MZdFH 7bgeQuvhs6sfRamKrSQiF1JnOZsb3UHpCl30l1u1xao2xjeceLH0Vf+vh1b3VBlrL1mj ikHA== X-Gm-Message-State: AOAM530aoxXi6O4bU+8knyCoKjeexut8V8aMTlEyvDuCMVYH4VAvJceH rFRwgHgMa8KtMdRDZidYPhly8A== X-Received: by 2002:a19:a0a:: with SMTP id 10mr250338lfk.397.1611352351093; Fri, 22 Jan 2021 13:52:31 -0800 (PST) Received: from localhost.localdomain ([176.59.42.245]) by smtp.gmail.com with ESMTPSA id a11sm1019890lfl.22.2021.01.22.13.52.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jan 2021 13:52:30 -0800 (PST) From: Maxim Uvarov To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCHv9 1/3] hw: gpio: implement gpio-pwr driver for qemu reset/poweroff Date: Sat, 23 Jan 2021 00:52:20 +0300 Message-Id: <20210122215222.8320-2-maxim.uvarov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210122215222.8320-1-maxim.uvarov@linaro.org> References: <20210122215222.8320-1-maxim.uvarov@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:20::134; envelope-from=maxim.uvarov@linaro.org; helo=mail-lf1-x134.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" 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 Reviewed-by: Peter Maydell --- 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 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 Fri Jan 22 21:52:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 368674 Delivered-To: patch@linaro.org Received: by 2002:a02:a60d:0:0:0:0:0 with SMTP id c13csp1875510jam; Fri, 22 Jan 2021 13:53:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJyapw3cmMqNGaP4Fg0u97/TJlf8tsAXGu0UT8ME14L5KhC5w0pfOas8RCRd+rdfgz22xw4N X-Received: by 2002:a25:190b:: with SMTP id 11mr8548010ybz.236.1611352385018; Fri, 22 Jan 2021 13:53:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611352385; cv=none; d=google.com; s=arc-20160816; b=kaN6VBuZC7rA8G/ZErZCYqvCdcYyhpb0un+U69Q+XbEmVCAcicsB+dKYn729JoxgAe 7VN+4bvru/I6Yl15HgO+MxVz/O9L6CWEt7AeiP+1Ge8GHCa1rofhFX++tC/XTM7+jUdy xsaTZZsHARKp3zhOKy/5QvL3QKam5YCpIRCaNIkJ6LJo0ZtE6SgI619OCR3EfYE8Ahzd ArdqNGAh1GHPUApk3NGDjwuJypr/3PbjeTt8aF0n59z12wqn8Btsvoa2sdl2xvfw/Egu M5uwzTllJu5D332YRcDq+v4ORJe4Z2MChNfukWvjFqv6QN7+hwrrWiMlWc2qpjWBKPw7 wgMw== 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=uWdb+6sbsmmk4J0dROkTnS6VgjAUEcnwu8MSo63pZwk=; b=JL6ICSwORlnnOIG8pi0qLVIqAbqCg5G0gPJb5eaAJUphZTofoGnB8Uld43XPsmSueV f/vrXSfvu9wmNVfUEXz76R9DMSoahx0fPFAGsWVUqEQfjNYBamXmwoXTwF90TorD/QXB hauUWFadFQUEiH7GFGc1jFTF2lEWHwKRl5VXxKyz6u28xf0rpUsFf6D1Nd3CH8g2yEWN gXwubCJpvXi5riwCquLNouyOTLpTIh0m4c0aYocnLfK1tO7X2+Ts11jUF1m9j1OmO8fb fox6dAEYm6lVzpndNWNMl+3khVWA71RK4jxvvwwsn39PY0+QwOVgyXMuzxRhA/AZOA7e cX+w== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=ShykAJE8; 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 j131si8840724ybb.127.2021.01.22.13.53.04 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Jan 2021 13:53:05 -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=ShykAJE8; 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]:40820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l34Ma-000113-G4 for patch@linaro.org; Fri, 22 Jan 2021 16:53:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41388) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l34M9-0000Tw-VI for qemu-devel@nongnu.org; Fri, 22 Jan 2021 16:52:37 -0500 Received: from mail-lj1-x234.google.com ([2a00:1450:4864:20::234]:46619) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l34M6-0007Ij-6n for qemu-devel@nongnu.org; Fri, 22 Jan 2021 16:52:37 -0500 Received: by mail-lj1-x234.google.com with SMTP id u11so8168621ljo.13 for ; Fri, 22 Jan 2021 13:52:33 -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=uWdb+6sbsmmk4J0dROkTnS6VgjAUEcnwu8MSo63pZwk=; b=ShykAJE8kUjlLlXhyDShniXiaA+p21UBg6Kzv2lgVpkCA/VnqX4GMkFo6h9EYHfGv6 YM1F9UTNFVNyRrX+Ek/HJwnM/lePQL3tr4lNWGbjiZGTplGKSLWfVRV0DNtR9J/p1llA jE73GqjtvypjCqZ/bCEsdpAXUkvnsJgttLjt4enu8D6x6ODSbH9uXtVPC6Bih14ykPu4 PrfJdwgTdODUkzqC8W4ZCJZxNFQ3JJZd0/TgmbaqSTYH2CZUEbqgDIXY2QFrmxNZuGKv LjhOC0zpZNquxHjQyba+fPebkttp41964q+/FlyBMTUJrNhDhYVKu3GG9hL1NtADmDJ1 GjcA== 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=uWdb+6sbsmmk4J0dROkTnS6VgjAUEcnwu8MSo63pZwk=; b=APGMXcFjVZg2RtLK+njWpAPyXbjtsoCg5+m6WgpzFEhgMlRiNP62Fjggl9ln+EJ7ya Deve+IVPkxm+PVKgy0NLBTuGIzo+/Y5lT4obhsK8mSZ4JeRLtmrPmFU0W//pO/8jyE3A dAp6LeBn32TkJgLC7kL+SB6KUfIQ32G0B19dXBymgWbEqIwk6FII784yKslAkUUGXIjK EGnxU/enbjnC1aYX6CiXbYQREOrIEFZdhC3v9bmDFP8oR2yEPSEfzp4cUKcgiL1Cpxe+ zeMhIsnauKlaoER2Cncdj7Yz0SbS0yKHMaEnQmWMo7qZFJ/ek7FJaqn11dbQ0fZfXnUv byCw== X-Gm-Message-State: AOAM5304pwmxyAseCKVYeKgeCi9/fE0R6bryIyyBoZAF2uz9pxQMs3My IUUxTwrS+BW2H7zRLstUU0ueu5houAlO9Q== X-Received: by 2002:a2e:8350:: with SMTP id l16mr3509585ljh.403.1611352352593; Fri, 22 Jan 2021 13:52:32 -0800 (PST) Received: from localhost.localdomain ([176.59.42.245]) by smtp.gmail.com with ESMTPSA id a11sm1019890lfl.22.2021.01.22.13.52.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jan 2021 13:52:31 -0800 (PST) From: Maxim Uvarov To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCHv9 2/3] arm-virt: refactor gpios creation Date: Sat, 23 Jan 2021 00:52:21 +0300 Message-Id: <20210122215222.8320-3-maxim.uvarov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210122215222.8320-1-maxim.uvarov@linaro.org> References: <20210122215222.8320-1-maxim.uvarov@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:20::234; envelope-from=maxim.uvarov@linaro.org; helo=mail-lj1-x234.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" No functional change. Just refactor code to better support secure and normal world gpios. Signed-off-by: Maxim Uvarov Reviewed-by: Andrew Jones --- hw/arm/virt.c | 57 ++++++++++++++++++++++++++++++++------------------- 1 file changed, 36 insertions(+), 21 deletions(-) -- 2.17.1 diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 96985917d3..a135316741 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 +873,10 @@ 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); g_free(nodename); + + /* Child gpio devices */ + create_gpio_keys(vms, pl061_dev, phandle); } static void create_virtio_devices(const VirtMachineState *vms) @@ -1990,7 +2005,7 @@ 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 Fri Jan 22 21:52:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Uvarov X-Patchwork-Id: 368675 Delivered-To: patch@linaro.org Received: by 2002:a02:a60d:0:0:0:0:0 with SMTP id c13csp1876478jam; Fri, 22 Jan 2021 13:54:53 -0800 (PST) X-Google-Smtp-Source: ABdhPJyzJH3mPZlcIZPb2w2qsmW8+pNthy7r+CqrJ49K7S+WrjDKDjs0C2l7p39r9absYMakRDCI X-Received: by 2002:a25:d450:: with SMTP id m77mr9339736ybf.234.1611352493472; Fri, 22 Jan 2021 13:54:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611352493; cv=none; d=google.com; s=arc-20160816; b=dzPrYf/dCL042PhrOvHv2vpOQY+XrGPIcU9JKjGmQ7i3ITqgEA4+4a0VKo/+m+YXar b2DjVm7f4HbuBYxWD2GqHmOPWHc/2lVJWiveZW/8v7tB0k3jbnE+PrMRZ4UIuX+LKVwT k8E13zaqYB7YE1IOGTvcY9TqR22evH3H3CaT6MpvvrvvDHy5aHh2yI900KA++4xm8LG1 4p3vZXFD2USk3cE+QbAfQufjHlXMhZxWccbnGgHWg+PGrqAmEqicVHDR4h7kqUWBO3h/ xLySflCGcgqRUmouGCugY4eznyOqieFXow623TVb2uDJkQ1OAV1rzVIKVGugYx3Gxvjw ENow== ARC-Message-Signature: i=1; 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Connect it with gpio-pwr driver. Signed-off-by: Maxim Uvarov Reviewed-by: Andrew Jones --- hw/arm/Kconfig | 1 + hw/arm/virt.c | 56 ++++++++++++++++++++++++++++++++++++++++++- include/hw/arm/virt.h | 2 ++ 3 files changed, 58 insertions(+), 1 deletion(-) -- 2.17.1 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 a135316741..bc99b5419d 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_RESET 1 + +static void create_secure_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_RESET, + 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_RESET, 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) { @@ -873,10 +911,19 @@ static void create_gpio_devices(const VirtMachineState *vms, int gpio, qemu_fdt_setprop_string(vms->fdt, nodename, "clock-names", "apb_pclk"); qemu_fdt_setprop_cell(vms->fdt, nodename, "phandle", phandle); + 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 */ - create_gpio_keys(vms, pl061_dev, phandle); + if (gpio == VIRT_GPIO) { + create_gpio_keys(vms, pl061_dev, phandle); + } else { + create_secure_gpio_pwr(vms, pl061_dev, phandle); + } } static void create_virtio_devices(const VirtMachineState *vms) @@ -2008,6 +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); @@ -2623,8 +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 {