From nobody Wed May 7 10:59:08 2025
Delivered-To: importer@patchew.org
Authentication-Results: mx.zohomail.com;
dkim=pass;
spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as
permitted sender)
smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org;
dmarc=pass(p=none dis=none) header.from=linaro.org
ARC-Seal: i=1; a=rsa-sha256; t=1611918709; cv=none;
d=zohomail.com; s=zohoarc;
b=aX+IaWkzIORN4iRUgAY/E3LUc8hPvBnm1iEr1zhiG/Qzzd1AF5ELcufsrV7ERdgpQcGb4e6GyopFY9FQ2dADtGhQZn8QlULRhRy+C5D6vPflZeZbfFEW+UQuaUVvzu/qg9SdDhBh3TzkXJK4JLFfJmuXla3BpD+WLvHDwM/wWxc=
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com;
s=zohoarc;
t=1611918709;
h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To;
bh=VDHZCdr7wAWmLu1nBxqmNWwzakTz8BqCkNP46PFd2yA=;
b=bGpe9bu6SCI9R9c4PsOLjkcg4vDeFvEPGeo/7h6AQ+nmkQFIHGg+cNdSiwodvr8TdbW6fnutjvs71dORlD/+1FVbq6tVNP3zSdK//ZEfvL8RmSHS1GUnyFe5YDBzu3xpOr12yGHLm+w5au7w+JP3jO2uPooBrqKxpQ4bNYCb3gU=
ARC-Authentication-Results: i=1; mx.zohomail.com;
dkim=pass;
spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as
permitted sender)
smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org;
dmarc=pass header.from=<peter.maydell@linaro.org> (p=none dis=none)
header.from=<peter.maydell@linaro.org>
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by
mx.zohomail.com
with SMTPS id 161191870951588.43235799986053;
Fri, 29 Jan 2021 03:11:49 -0800 (PST)
Received: from localhost ([::1]:40574 helo=lists1p.gnu.org)
by lists.gnu.org with esmtp (Exim 4.90_1)
(envelope-from <qemu-devel-bounces+importer=patchew.org@nongnu.org>)
id 1l5Rgq-0003NM-3A
for importer@patchew.org; Fri, 29 Jan 2021 06:11:48 -0500
Received: from eggs.gnu.org ([2001:470:142:3::10]:59896)
by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
(Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)
id 1l5RWE-0004nh-GW
for qemu-devel@nongnu.org; Fri, 29 Jan 2021 06:00:50 -0500
Received: from mail-wr1-x42f.google.com ([2a00:1450:4864:20::42f]:36764)
by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)
(Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)
id 1l5RW4-00074K-6R
for qemu-devel@nongnu.org; Fri, 29 Jan 2021 06:00:50 -0500
Received: by mail-wr1-x42f.google.com with SMTP id 6so8390658wri.3
for <qemu-devel@nongnu.org>; Fri, 29 Jan 2021 03:00:39 -0800 (PST)
Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148])
by smtp.gmail.com with ESMTPSA id w20sm9268761wmm.12.2021.01.29.03.00.37
for <qemu-devel@nongnu.org>
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Fri, 29 Jan 2021 03:00:38 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google;
h=from:to:subject:date:message-id:in-reply-to:references:mime-version
:content-transfer-encoding;
bh=VDHZCdr7wAWmLu1nBxqmNWwzakTz8BqCkNP46PFd2yA=;
b=Y3IUc3uugkW3GAOJfM/z7PczmfGorUISq6TLlfW5rkC5TGsWWN1ELySRWRprnQRcRG
ND6HlTfT7ES0kh4+qDdAJVn/QWTeEp+q/DaxZVVMaGj9GALH9Yo9GQfIxeSZ3zqD99uk
W3Ms4fITMMzWHjZ0Q5Jkmeh8ZAPqAGNXbqzUj54/E+QQv963qf5z5L7Q5RFL4wr0/SeP
srvhSMMmcZSwHTZLqPRb7xO1Ig/pgk9CVPqqz/6VY6y01khZLj26GlQR3EmCMiLL1NJN
FU5cBjUviVnyQvNGIdzkKHmC+PFmzkrdlPyzijUwuBnEd/9uJ8BZOCRk0VDMfHsmSHVV
dkqA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to
:references:mime-version:content-transfer-encoding;
bh=VDHZCdr7wAWmLu1nBxqmNWwzakTz8BqCkNP46PFd2yA=;
b=p0VT07HQ1zNqb6lzRn7sQeo9hymyZMDUwYl1WJCJXydLGyaj5dpIYEdo/o1/ryuulc
v06tDfRRMyQV4qa2K2gNTd+irGmTq6h1JALpnIGZPUq9B/Ai/e2gX+p2vTOCoKfrmR/g
bPlJttGMdU12UJ6eYhr7HsfMtmGXv4fKhKckTrTVZzBjbHkOQ5Nad0cNq4H+J9xCKaBB
hm8QJ2SIqhcl/IfuKkhn9w7p6VFFpueO3e7nKo8XIlNjI8eQuR+9o3Qq/1d7ZwarPtxH
5UC1SsY9RM5GxILFu7kmKbpCz3kvaeh0JrIby8s3GJg+K0xQe3XtjsgbdFRzb78rohIB
lXGQ==
X-Gm-Message-State: AOAM5302jRJsLgre77Gy0DEmiH1bA2ZnTo+Zn2UT6WFKzXpXKPTWNqp6
cE9DnNO5p73uKvTzun89gmgIs6pxVRzYdw==
X-Google-Smtp-Source:
ABdhPJx4gygDfiFV4wvlJMbDccE/EGBRWZvarhbVorWU3t2N83VUgpdmlgCtE2+NrrXLec5CLyrJ4A==
X-Received: by 2002:adf:f307:: with SMTP id i7mr3778390wro.367.1611918038747;
Fri, 29 Jan 2021 03:00:38 -0800 (PST)
From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 26/46] tests: Add a simple test of the CMSDK APB dual timer
Date: Fri, 29 Jan 2021 10:59:52 +0000
Message-Id: <20210129110012.8660-27-peter.maydell@linaro.org>
X-Mailer: git-send-email 2.20.1
In-Reply-To: <20210129110012.8660-1-peter.maydell@linaro.org>
References: <20210129110012.8660-1-peter.maydell@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17
as permitted sender) client-ip=209.51.188.17;
envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org;
helo=lists.gnu.org;
Received-SPF: pass client-ip=2a00:1450:4864:20::42f;
envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42f.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: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org>
X-ZohoMail-DKIM: pass (identity @linaro.org)
Add a simple test of the CMSDK dual timer, since we're about to do
some refactoring of how it is clocked.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20210128114145.20536-6-peter.maydell@linaro.org
Message-id: 20210121190622.22000-6-peter.maydell@linaro.org
---
tests/qtest/cmsdk-apb-dualtimer-test.c | 130 +++++++++++++++++++++++++
MAINTAINERS | 1 +
tests/qtest/meson.build | 1 +
3 files changed, 132 insertions(+)
create mode 100644 tests/qtest/cmsdk-apb-dualtimer-test.c
diff --git a/tests/qtest/cmsdk-apb-dualtimer-test.c b/tests/qtest/cmsdk-apb=
-dualtimer-test.c
new file mode 100644
index 00000000000..ad6a758289c
--- /dev/null
+++ b/tests/qtest/cmsdk-apb-dualtimer-test.c
@@ -0,0 +1,130 @@
+/*
+ * QTest testcase for the CMSDK APB dualtimer device
+ *
+ * Copyright (c) 2021 Linaro Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WIT=
HOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest-single.h"
+
+/* IoTKit/ARMSSE dualtimer; driven at 25MHz in mps2-an385, so 40ns per tic=
k */
+#define TIMER_BASE 0x40002000
+
+#define TIMER1LOAD 0
+#define TIMER1VALUE 4
+#define TIMER1CONTROL 8
+#define TIMER1INTCLR 0xc
+#define TIMER1RIS 0x10
+#define TIMER1MIS 0x14
+#define TIMER1BGLOAD 0x18
+
+#define TIMER2LOAD 0x20
+#define TIMER2VALUE 0x24
+#define TIMER2CONTROL 0x28
+#define TIMER2INTCLR 0x2c
+#define TIMER2RIS 0x30
+#define TIMER2MIS 0x34
+#define TIMER2BGLOAD 0x38
+
+#define CTRL_ENABLE (1 << 7)
+#define CTRL_PERIODIC (1 << 6)
+#define CTRL_INTEN (1 << 5)
+#define CTRL_PRESCALE_1 (0 << 2)
+#define CTRL_PRESCALE_16 (1 << 2)
+#define CTRL_PRESCALE_256 (2 << 2)
+#define CTRL_32BIT (1 << 1)
+#define CTRL_ONESHOT (1 << 0)
+
+static void test_dualtimer(void)
+{
+ g_assert_true(readl(TIMER_BASE + TIMER1RIS) =3D=3D 0);
+
+ /* Start timer: will fire after 40000 ns */
+ writel(TIMER_BASE + TIMER1LOAD, 1000);
+ /* enable in free-running, wrapping, interrupt mode */
+ writel(TIMER_BASE + TIMER1CONTROL, CTRL_ENABLE | CTRL_INTEN);
+
+ /* Step to just past the 500th tick and check VALUE */
+ clock_step(500 * 40 + 1);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1RIS), =3D=3D, 0);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1VALUE), =3D=3D, 500);
+
+ /* Just past the 1000th tick: timer should have fired */
+ clock_step(500 * 40);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1RIS), =3D=3D, 1);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1VALUE), =3D=3D, 0);
+
+ /*
+ * We are in free-running wrapping 16-bit mode, so on the following
+ * tick VALUE should have wrapped round to 0xffff.
+ */
+ clock_step(40);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1VALUE), =3D=3D, 0xffff);
+
+ /* Check that any write to INTCLR clears interrupt */
+ writel(TIMER_BASE + TIMER1INTCLR, 1);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER1RIS), =3D=3D, 0);
+
+ /* Turn off the timer */
+ writel(TIMER_BASE + TIMER1CONTROL, 0);
+}
+
+static void test_prescale(void)
+{
+ g_assert_true(readl(TIMER_BASE + TIMER2RIS) =3D=3D 0);
+
+ /* Start timer: will fire after 40 * 256 * 1000 =3D=3D 1024000 ns */
+ writel(TIMER_BASE + TIMER2LOAD, 1000);
+ /* enable in periodic, wrapping, interrupt mode, prescale 256 */
+ writel(TIMER_BASE + TIMER2CONTROL,
+ CTRL_ENABLE | CTRL_INTEN | CTRL_PERIODIC | CTRL_PRESCALE_256);
+
+ /* Step to just past the 500th tick and check VALUE */
+ clock_step(40 * 256 * 501);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2RIS), =3D=3D, 0);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2VALUE), =3D=3D, 500);
+
+ /* Just past the 1000th tick: timer should have fired */
+ clock_step(40 * 256 * 500);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2RIS), =3D=3D, 1);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2VALUE), =3D=3D, 0);
+
+ /* In periodic mode the tick VALUE now reloads */
+ clock_step(40 * 256);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2VALUE), =3D=3D, 1000);
+
+ /* Check that any write to INTCLR clears interrupt */
+ writel(TIMER_BASE + TIMER2INTCLR, 1);
+ g_assert_cmpuint(readl(TIMER_BASE + TIMER2RIS), =3D=3D, 0);
+
+ /* Turn off the timer */
+ writel(TIMER_BASE + TIMER2CONTROL, 0);
+}
+
+int main(int argc, char **argv)
+{
+ int r;
+
+ g_test_init(&argc, &argv, NULL);
+
+ qtest_start("-machine mps2-an385");
+
+ qtest_add_func("/cmsdk-apb-dualtimer/dualtimer", test_dualtimer);
+ qtest_add_func("/cmsdk-apb-dualtimer/prescale", test_prescale);
+
+ r =3D g_test_run();
+
+ qtest_end();
+
+ return r;
+}
diff --git a/MAINTAINERS b/MAINTAINERS
index 3729b89f359..154a91d12e5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -584,6 +584,7 @@ F: include/hw/timer/cmsdk-apb-timer.h
F: tests/qtest/cmsdk-apb-timer-test.c
F: hw/timer/cmsdk-apb-dualtimer.c
F: include/hw/timer/cmsdk-apb-dualtimer.h
+F: tests/qtest/cmsdk-apb-dualtimer-test.c
F: hw/char/cmsdk-apb-uart.c
F: include/hw/char/cmsdk-apb-uart.h
F: hw/watchdog/cmsdk-apb-watchdog.c
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index 5b10bfbcfb0..c83bc211b6a 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -142,6 +142,7 @@ qtests_npcm7xx =3D \
'npcm7xx_timer-test',
'npcm7xx_watchdog_timer-test']
qtests_arm =3D \
+ (config_all_devices.has_key('CONFIG_CMSDK_APB_DUALTIMER') ? ['cmsdk-apb-=
dualtimer-test'] : []) + \
(config_all_devices.has_key('CONFIG_CMSDK_APB_TIMER') ? ['cmsdk-apb-time=
r-test'] : []) + \
(config_all_devices.has_key('CONFIG_CMSDK_APB_WATCHDOG') ? ['cmsdk-apb-w=
atchdog-test'] : []) + \
(config_all_devices.has_key('CONFIG_PFLASH_CFI02') ? ['pflash-cfi02-test=
'] : []) + \
--=20
2.20.1