From patchwork Wed Feb 28 11:32:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?In=C3=A8s_Varhol?= X-Patchwork-Id: 13575305 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D5CA1C47DD9 for ; Wed, 28 Feb 2024 11:47:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfIOO-00060U-NY; Wed, 28 Feb 2024 06:46:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfIO7-0005t8-Mh; Wed, 28 Feb 2024 06:46:21 -0500 Received: from zproxy2.enst.fr ([137.194.2.221]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfIO3-0002AL-Vu; Wed, 28 Feb 2024 06:46:15 -0500 Received: from localhost (localhost [IPv6:::1]) by zproxy2.enst.fr (Postfix) with ESMTP id 6D721805D9; Wed, 28 Feb 2024 12:46:04 +0100 (CET) Received: from zproxy2.enst.fr ([IPv6:::1]) by localhost (zproxy2.enst.fr [IPv6:::1]) (amavis, port 10032) with ESMTP id VUtrbariorQl; Wed, 28 Feb 2024 12:46:03 +0100 (CET) Received: from localhost (localhost [IPv6:::1]) by zproxy2.enst.fr (Postfix) with ESMTP id 3DF51806CC; Wed, 28 Feb 2024 12:46:03 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.10.3 zproxy2.enst.fr 3DF51806CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telecom-paris.fr; s=A35C7578-1106-11E5-A17F-C303FDDA8F2E; t=1709120763; bh=f3NS7fPrtXqoagp8rCB11HFdQzPWCS1YJlqct7gyccY=; h=From:To:Date:Message-ID:MIME-Version; b=5kf4HrK6CryQEVc1c++mk9/nXltrbu8XbAa8hmHHS4BHgNI3pbpGXvj8krmTUlcR6 Qe9daIfBKIlPfJRwY8UEYxIFvTAFv+NKkrlO/dJ7OdiDiIIfBCftpZj1cYXZwKlgth avvjVDWNEfiXdzOMpbTiaoLqYDMUUxsWKItLCxcs= X-Virus-Scanned: amavis at enst.fr Received: from zproxy2.enst.fr ([IPv6:::1]) by localhost (zproxy2.enst.fr [IPv6:::1]) (amavis, port 10026) with ESMTP id QNx0GCzxT3k8; Wed, 28 Feb 2024 12:46:02 +0100 (CET) Received: from localhost.localdomain (74.0.125.80.rev.sfr.net [80.125.0.74]) by zproxy2.enst.fr (Postfix) with ESMTPSA id 76B9F805D9; Wed, 28 Feb 2024 12:46:02 +0100 (CET) From: =?utf-8?q?In=C3=A8s_Varhol?= To: qemu-devel@nongnu.org Cc: Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, Arnaud Minier , Laurent Vivier , Paolo Bonzini , Peter Maydell , =?utf-8?q?In=C3=A8s_Varhol?= , Alistair Francis , Samuel Tardieu , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Subject: [PATCH v2 2/5] hw/arm : Pass STM32L4x5 SYSCFG gpios to STM32L4x5 SoC Date: Wed, 28 Feb 2024 12:32:00 +0100 Message-ID: <20240228114555.192175-3-ines.varhol@telecom-paris.fr> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240228114555.192175-1-ines.varhol@telecom-paris.fr> References: <20240228114555.192175-1-ines.varhol@telecom-paris.fr> MIME-Version: 1.0 Received-SPF: pass client-ip=137.194.2.221; envelope-from=ines.varhol@telecom-paris.fr; helo=zproxy2.enst.fr 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Exposing SYSCFG inputs to the SoC is practical in order to wire the SoC to the optional DM163 display from the board code (GPIOs outputs need to be connected to both SYSCFG inputs and DM163 inputs). STM32L4x5 SYSCFG in-irq interception needed to be changed accordingly. Signed-off-by: Arnaud Minier Signed-off-by: Inès Varhol --- Hello, If SYSCFG inputs are exposed, should GPIOs be part of the board rather than the SoC? Best regards, Ines hw/arm/stm32l4x5_soc.c | 6 ++++-- tests/qtest/stm32l4x5_gpio-test.c | 12 +++++++----- tests/qtest/stm32l4x5_syscfg-test.c | 16 +++++++++------- 3 files changed, 20 insertions(+), 14 deletions(-) diff --git a/hw/arm/stm32l4x5_soc.c b/hw/arm/stm32l4x5_soc.c index 072671bdfb..8ba0dfc5e7 100644 --- a/hw/arm/stm32l4x5_soc.c +++ b/hw/arm/stm32l4x5_soc.c @@ -1,8 +1,8 @@ /* * STM32L4x5 SoC family * - * Copyright (c) 2023 Arnaud Minier - * Copyright (c) 2023 Inès Varhol + * Copyright (c) 2024 Arnaud Minier + * Copyright (c) 2024 Inès Varhol * * SPDX-License-Identifier: GPL-2.0-or-later * @@ -196,6 +196,8 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) } } + qdev_pass_gpios(DEVICE(&s->syscfg), dev_soc, NULL); + /* EXTI device */ busdev = SYS_BUS_DEVICE(&s->exti); if (!sysbus_realize(busdev, errp)) { diff --git a/tests/qtest/stm32l4x5_gpio-test.c b/tests/qtest/stm32l4x5_gpio-test.c index cd4fd9bae2..bec83b3c1d 100644 --- a/tests/qtest/stm32l4x5_gpio-test.c +++ b/tests/qtest/stm32l4x5_gpio-test.c @@ -50,6 +50,8 @@ #define OTYPER_PUSH_PULL 0 #define OTYPER_OPEN_DRAIN 1 +#define SYSCFG "/machine/soc" + const uint32_t moder_reset[NUM_GPIOS] = { 0xABFFFFFF, 0xFFFFFEBF, @@ -306,7 +308,7 @@ static void test_gpio_output_mode(const void *data) uint32_t gpio = ((uint64_t)data) >> 32; unsigned int gpio_id = get_gpio_id(gpio); - qtest_irq_intercept_in(global_qtest, "/machine/soc/syscfg"); + qtest_irq_intercept_in(global_qtest, SYSCFG); /* Set a bit in ODR and check nothing happens */ gpio_set_bit(gpio, ODR, pin, 1); @@ -341,7 +343,7 @@ static void test_gpio_input_mode(const void *data) uint32_t gpio = ((uint64_t)data) >> 32; unsigned int gpio_id = get_gpio_id(gpio); - qtest_irq_intercept_in(global_qtest, "/machine/soc/syscfg"); + qtest_irq_intercept_in(global_qtest, SYSCFG); /* Configure a line as input, raise it, and check that the pin is high */ gpio_set_2bits(gpio, MODER, pin, MODER_INPUT); @@ -370,7 +372,7 @@ static void test_pull_up_pull_down(const void *data) uint32_t gpio = ((uint64_t)data) >> 32; unsigned int gpio_id = get_gpio_id(gpio); - qtest_irq_intercept_in(global_qtest, "/machine/soc/syscfg"); + qtest_irq_intercept_in(global_qtest, SYSCFG); /* Configure a line as input with pull-up, check the line is set high */ gpio_set_2bits(gpio, MODER, pin, MODER_INPUT); @@ -400,7 +402,7 @@ static void test_push_pull(const void *data) uint32_t gpio = ((uint64_t)data) >> 32; uint32_t gpio2 = GPIO_BASE_ADDR + (GPIO_H - gpio); - qtest_irq_intercept_in(global_qtest, "/machine/soc/syscfg"); + qtest_irq_intercept_in(global_qtest, SYSCFG); /* Setting a line high externally, configuring it in push-pull output */ /* And checking the pin was disconnected */ @@ -447,7 +449,7 @@ static void test_open_drain(const void *data) uint32_t gpio = ((uint64_t)data) >> 32; uint32_t gpio2 = GPIO_BASE_ADDR + (GPIO_H - gpio); - qtest_irq_intercept_in(global_qtest, "/machine/soc/syscfg"); + qtest_irq_intercept_in(global_qtest, SYSCFG); /* Setting a line high externally, configuring it in open-drain output */ /* And checking the pin was disconnected */ diff --git a/tests/qtest/stm32l4x5_syscfg-test.c b/tests/qtest/stm32l4x5_syscfg-test.c index ed4801798d..eed9d5940b 100644 --- a/tests/qtest/stm32l4x5_syscfg-test.c +++ b/tests/qtest/stm32l4x5_syscfg-test.c @@ -1,8 +1,8 @@ /* * QTest testcase for STM32L4x5_SYSCFG * - * Copyright (c) 2023 Arnaud Minier - * Copyright (c) 2023 Inès Varhol + * Copyright (c) 2024 Arnaud Minier + * Copyright (c) 2024 Inès Varhol * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. @@ -25,6 +25,9 @@ #define SYSCFG_SWPR2 0x28 #define INVALID_ADDR 0x2C +#define EXTI "/machine/soc/exti" +#define SYSCFG "/machine/soc" + static void syscfg_writel(unsigned int offset, uint32_t value) { writel(SYSCFG_BASE_ADDR + offset, value); @@ -37,8 +40,7 @@ static uint32_t syscfg_readl(unsigned int offset) static void syscfg_set_irq(int num, int level) { - qtest_set_irq_in(global_qtest, "/machine/soc/syscfg", - NULL, num, level); + qtest_set_irq_in(global_qtest, SYSCFG, NULL, num, level); } static void system_reset(void) @@ -197,7 +199,7 @@ static void test_interrupt(void) * Test that GPIO rising lines result in an irq * with the right configuration */ - qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + qtest_irq_intercept_in(global_qtest, EXTI); /* GPIOA is the default source for EXTI lines 0 to 15 */ @@ -230,7 +232,7 @@ static void test_irq_pin_multiplexer(void) * Test that syscfg irq sets the right exti irq */ - qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + qtest_irq_intercept_in(global_qtest, EXTI); syscfg_set_irq(0, 1); @@ -257,7 +259,7 @@ static void test_irq_gpio_multiplexer(void) * Test that an irq is generated only by the right GPIO */ - qtest_irq_intercept_in(global_qtest, "/machine/soc/exti"); + qtest_irq_intercept_in(global_qtest, EXTI); /* GPIOA is the default source for EXTI lines 0 to 15 */