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patch:
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GET /api/patches/2232242/?format=api
{ "id": 2232242, "url": "http://patchwork.ozlabs.org/api/patches/2232242/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260504025342.1452605-10-jamin_lin@aspeedtech.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260504025342.1452605-10-jamin_lin@aspeedtech.com>", "list_archive_url": null, "date": "2026-05-04T02:53:53", "name": "[v6,09/11] hw/arm/aspeed_ast27x0: Set EHCI ctrldssegment-default", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "88f3d1074bb8e7de9073a14338553ca291de9e9b", "submitter": { "id": 81768, "url": "http://patchwork.ozlabs.org/api/people/81768/?format=api", "name": "Jamin Lin", "email": "jamin_lin@aspeedtech.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260504025342.1452605-10-jamin_lin@aspeedtech.com/mbox/", "series": [ { "id": 502603, "url": "http://patchwork.ozlabs.org/api/series/502603/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502603", "date": "2026-05-04T02:53:55", "name": "hw/usb/ehci: Add 64-bit descriptor addressing support", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/502603/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232242/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232242/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=AXmRz1M8;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Sun, 03 May 2026 22:54:05 -0400", "from TYPPR06MB8206.apcprd06.prod.outlook.com (2603:1096:405:383::19)\n by SEYPR06MB5111.apcprd06.prod.outlook.com (2603:1096:101:57::13)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.25; Mon, 4 May\n 2026 02:53:53 +0000", "from TYPPR06MB8206.apcprd06.prod.outlook.com\n ([fe80::e659:1ead:77cb:f6d3]) by TYPPR06MB8206.apcprd06.prod.outlook.com\n ([fe80::e659:1ead:77cb:f6d3%2]) with mapi id 15.20.9870.023; Mon, 4 May 2026\n 02:53:53 +0000" ], "ARC-Seal": "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=yhzWXtst9he7BmxXzfUogO86P8/3jPkdlBqT5MzpjwxYEJnIPsks7dGSLinNUN664T3MlBhdGD8bD85B6aKP1ZcLzweKTQ8R13zjOSs1o1li7BGyuOIyeCTmmp0hJH5eKdYZF1OB8nI7kh1r9YdJm0FWIfe8YqNo2qN8qD7d7Dbwi76yorqYhfvaeAi4rM3KLsF7BfqcP3pvmKYhLTXuipHAgvv+GUAs4I/LqfJNUnoWmTZPTC0LkBg0B6EIu2tz2VT6wLxR6G8BvQ5PRU2kc9vdsPMpHGXv6XWffbIpumjWHiyyH0utf34v+o2nevw6bag+RdiTlUjDwyAvhXlOYA==", "ARC-Message-Signature": "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=8opvPGofLR8dFt/07zzM9lGCEIygy5c1ByGEPsBwMTo=;\n b=BGPc6GnjKreIAxvvjWEBsZEXARMJEQo/0vy08aoyBbaUAl85SfYav5KATd8dDfQhCXkrWjbBMZiKwQAFbcXRzqeieNjtkNavUYudKEMKYothsqkO0V3DIXAfeFZoZHJQryARE+Uy/WL6B9JX2fQvze4HB1ufCH23Zg9Ez++yp5LpjB6fKbnHDrTnKh3uHRDV4wgx3DcVQECtDgoQjFRvkEiio44kj1sgc/Mk8ckURcV64vexD1QqYvqHKbP6PD5ShKT52opsq8aETZZgExZlWC/lHQH8mvFgQEw39eA6fgDRCLAW0le3wj+SOvpvZAlCcBCdZqXQVvX9gZMEWEBTkw==", "ARC-Authentication-Results": "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=aspeedtech.com; dmarc=pass action=none\n header.from=aspeedtech.com; dkim=pass header.d=aspeedtech.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=aspeedtech.com;\n s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=8opvPGofLR8dFt/07zzM9lGCEIygy5c1ByGEPsBwMTo=;\n b=AXmRz1M80U2jjlPzaiN9Q+RNB96uuuzDdBzK+Ag1zfVu85PhqkGMQ6aXH+w7kZgC9qDcY9w5jkUr2sXB17USNd3AaBMVg9uWmoDbTxnUjjB8fN7wH04GVwwFxOsqlR7alkUpf38Aa/ZoPD71Bp0mwBlp8j0XRPUANWGoPaIdeMQQmXKjSIIxU/8VQUoXZHF5V/hvXli1wA3ho3wCBpA71F4eLtHaroo+2OU8nSpQGIMTptI5JsQkDg8UGQvPE0aMXCaitzykCkDk9qsWAAU5A+GsF+u+42nX1li4tqsk/2icmEF/c+yNw0zWqIrtA9/cjhMmmWS72MBYrzDGNPdmdw==", "From": "Jamin Lin <jamin_lin@aspeedtech.com>", "To": "\"philmd@linaro.org\" <philmd@linaro.org>,\n \"peterx@redhat.com\" <peterx@redhat.com>,\n =?iso-8859-1?q?C=E9dric_Le_Goater?= <clg@kaod.org>,\n Peter Maydell <peter.maydell@linaro.org>,\n Steven Lee <steven_lee@aspeedtech.com>, Troy Lee <leetroy@gmail.com>,\n Kane Chen <kane_chen@aspeedtech.com>,\n Andrew Jeffery <andrew@codeconstruct.com.au>, Joel Stanley <joel@jms.id.au>,\n Zhao Liu <zhao1.liu@intel.com>,\n \"open list:ASPEED BMCs\" <qemu-arm@nongnu.org>,\n \"open list:All patches CC here\" <qemu-devel@nongnu.org>", "CC": "Jamin Lin <jamin_lin@aspeedtech.com>, Troy Lee <troy_lee@aspeedtech.com>,\n \"farosas@suse.de\" <farosas@suse.de>, \"flwu@google.com\" <flwu@google.com>,\n \"nabihestefan@google.com\" <nabihestefan@google.com>, =?iso-8859-1?q?C=E9dr?=\n\t=?iso-8859-1?q?ic_Le_Goater?= <clg@redhat.com>", "Subject": "[PATCH v6 09/11] hw/arm/aspeed_ast27x0: Set EHCI\n ctrldssegment-default", "Thread-Topic": "[PATCH v6 09/11] hw/arm/aspeed_ast27x0: Set EHCI\n ctrldssegment-default", "Thread-Index": "AQHc23E9LuUcfcQZ7U6ogE/V6lW0Dg==", "Date": "Mon, 4 May 2026 02:53:53 +0000", "Message-ID": "<20260504025342.1452605-10-jamin_lin@aspeedtech.com>", "References": "<20260504025342.1452605-1-jamin_lin@aspeedtech.com>", "In-Reply-To": "<20260504025342.1452605-1-jamin_lin@aspeedtech.com>", "Accept-Language": "zh-TW, en-US", "Content-Language": "en-US", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "authentication-results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=AXmRz1M8;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-Exchange-RoutingPolicyChecked": "\n NbxtKRtLh2UaK1GByki5E7Ob5pQ5oqUQ7YSxrkTZDmq2dw67++JRewJGpaUg0jw0JPZ9MxHNhYgANi6XN0UVEHEnuUozHp26/K/ZKALXQIzCt6Ea1jd82VwtSV16/DvTVPB+HAaBzf+lbeSM3DBss1ZBeU+nP0BrJmGbWNQJggilRQHeOiFveeq7M3Sp/qnIdWb2xevHuaa0v/wtPol5Jn3TGoINVSUZOkbkQYq3ZysmJ98Q0/hnZAdQ+LFtPGfvt/BRM9cVaG1FRgzjFjWPL6uiMKqeDGQa7DxlgB6KX+I2K+bHk4Sb3UBy/yw7VWFMUzmujqdQK0rEyOgQnz4u3g==", "X-OriginatorOrg": "aspeedtech.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "TYPPR06MB8206.apcprd06.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n f71cb072-32f3-4d2d-8e84-08dea988607d", "X-MS-Exchange-CrossTenant-originalarrivaltime": "04 May 2026 02:53:53.2230 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "43d4aa98-e35b-4575-8939-080e90d5a249", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n pHEBwlFlKv7jabG8WV8nS8u7i3bzz/rhfZKiZ/HLJ+wjnhxtxu27TnKQTzA/eVfaS28RU37oNgSsAQeL7SoM9K94pMAWRfxbWbggl63H4Hk=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SEYPR06MB5111", "Received-SPF": "pass client-ip=2a01:111:f403:c405::5;\n envelope-from=jamin_lin@aspeedtech.com;\n helo=TYPPR03CU001.outbound.protection.outlook.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <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>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "On AST2700 platforms, system DRAM is mapped above 4GB with a base\naddress at 0x400000000.\n\nThe Linux EHCI driver programs the segment register to zero when\n64-bit addressing is supported. As a result, descriptor addresses\nderived from the EHCI registers do not include the DRAM base\naddress.\n\nDescriptor memory is allocated through the DMA API with a 64-bit\nDMA mask, allowing descriptors to reside in DRAM above 4GB. On\nAST2700, EHCI queue heads (QH) and queue element transfer\ndescriptors (qTD) are therefore placed at addresses starting from\n0x400000000.\n\nSet the ctrldssegment-default property to \"sc->memmap[ASPEED_DEV_SDRAM] >> 32\"\nso the upper 32 bits of descriptor addresses are adjusted accordingly. This\nallows the emulated EHCI controller to construct correct system\naddresses when accessing descriptors in DRAM above 4GB.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\nReviewed-by: Cédric Le Goater <clg@redhat.com>\n---\n hw/arm/aspeed_ast27x0.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c\nindex 87dcb82e1b..ea527479e6 100644\n--- a/hw/arm/aspeed_ast27x0.c\n+++ b/hw/arm/aspeed_ast27x0.c\n@@ -856,6 +856,9 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)\n \n /* EHCI */\n for (i = 0; i < sc->ehcis_num; i++) {\n+ object_property_set_int(OBJECT(&s->ehci[i]), \"ctrldssegment-default\",\n+ sc->memmap[ASPEED_DEV_SDRAM] >> 32,\n+ &error_abort);\n if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {\n return;\n }\n", "prefixes": [ "v6", "09/11" ] }