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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772529977; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I89jagiyUTSdR4ox4hiKhJe39qI0yX7MnHEPNLVHs48=; b=cllwJdmAUnfsoibUPvIeY0OqlITpCUTP+9xqdgoEOsvbZtu3y+UeyO9MB2B2mh8lGCy/66 NeRmZdiQfoD6TPR7XDbhLYBAGCVShvHMHOxIPRb+/AXAiu0bHg/3pnVLtxkJ0ujedJ3nd/ KhZr6WbtoFqfEg9U/GEENHm1jWKfF3Y= X-MC-Unique: 0am4qaREMBqulAtSmUoQiQ-1 X-Mimecast-MFC-AGG-ID: 0am4qaREMBqulAtSmUoQiQ_1772529972 From: Igor Mammedov To: qemu-devel@nongnu.org Cc: mst@redhat.com, anisinha@redhat.com, pbonzini@redhat.com, peter.maydell@linaro.org, shannon.zhaosl@gmail.com, philmd@linaro.org, zhao1.liu@intel.com, rad@semihalf.com, leif.lindholm@oss.qualcomm.com, qemu-arm@nongnu.org Subject: [PATCH v2 10/21] arm: sbsa_gwdt: add 'wdat' option Date: Tue, 3 Mar 2026 10:25:21 +0100 Message-ID: <20260303092532.2410177-11-imammedo@redhat.com> In-Reply-To: <20260303092532.2410177-1-imammedo@redhat.com> References: <20260303092532.2410177-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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=170.10.133.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.968, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.495, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1772529995503158500 it will be used by arm/virt board, to pick WDAT compatible watchdog impl. and act as switch over to WDAT ACPI table vesus default GTDT ACPI table. Signed-off-by: Igor Mammedov --- include/hw/watchdog/sbsa_gwdt.h | 1 + hw/watchdog/sbsa_gwdt.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/include/hw/watchdog/sbsa_gwdt.h b/include/hw/watchdog/sbsa_gwd= t.h index 307a4f291a..dc77e6be60 100644 --- a/include/hw/watchdog/sbsa_gwdt.h +++ b/include/hw/watchdog/sbsa_gwdt.h @@ -73,6 +73,7 @@ typedef struct SBSA_GWDTState { uint32_t woru; uint32_t wcvl; uint32_t wcvu; + bool wdat; } SBSA_GWDTState; =20 #endif /* WDT_SBSA_GWDT_H */ diff --git a/hw/watchdog/sbsa_gwdt.c b/hw/watchdog/sbsa_gwdt.c index c4dd8005b7..40d80f7f2b 100644 --- a/hw/watchdog/sbsa_gwdt.c +++ b/hw/watchdog/sbsa_gwdt.c @@ -265,6 +265,13 @@ static void wdt_sbsa_gwdt_realize(DeviceState *dev, Er= ror **errp) =20 sysbus_init_irq(sbd, &s->irq); =20 + /* + * WDAT supports only upto 1KHz resolution, + */ + if (s->wdat) { + s->freq =3D 1000; + } + s->timer =3D timer_new_ns(QEMU_CLOCK_VIRTUAL, sbsa_gwdt_timer_sysinter= rupt, dev); } @@ -276,6 +283,7 @@ static const Property wdt_sbsa_gwdt_props[] =3D { */ DEFINE_PROP_UINT64("clock-frequency", struct SBSA_GWDTState, freq, 1000000000), + DEFINE_PROP_BOOL("wdat", struct SBSA_GWDTState, wdat, false), }; =20 static void wdt_sbsa_gwdt_class_init(ObjectClass *klass, const void *data) --=20 2.47.3