From nobody Mon Feb 9 19:30:14 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1630489434989434.5285035324466; Wed, 1 Sep 2021 02:43:54 -0700 (PDT) Received: from localhost ([::1]:49698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mLMmf-0004hQ-SA for importer@patchew.org; Wed, 01 Sep 2021 05:43:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32796) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mLMky-0001yU-7D; Wed, 01 Sep 2021 05:42:08 -0400 Received: from smtpout1.mo3005.mail-out.ovh.net ([79.137.123.220]:53539 helo=smtpout1.3005.mail-out.ovh.net) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mLMkw-0000dv-Ez; Wed, 01 Sep 2021 05:42:07 -0400 Received: from mxplan5.mail.ovh.net (unknown [10.108.4.132]) by mo3005.mail-out.ovh.net (Postfix) with ESMTPS id 9220F13ECA7; Wed, 1 Sep 2021 09:41:57 +0000 (UTC) Received: from kaod.org (37.59.142.104) by DAG4EX1.mxp5.local (172.16.2.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Wed, 1 Sep 2021 11:41:56 +0200 Authentication-Results: garm.ovh; auth=pass (GARM-104R005750508bd-8aa1-4347-81a9-d673430c1784, 5EBA00A5E723AF1D17FBD8632F6684B6834AEADC) smtp.auth=clg@kaod.org X-OVh-ClientIp: 82.64.250.170 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson , Greg Kurz Subject: [PATCH 3/8] ppc/pnv: Add a comment on the "primary-topology-index" property Date: Wed, 1 Sep 2021 11:41:48 +0200 Message-ID: <20210901094153.227671-4-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210901094153.227671-1-clg@kaod.org> References: <20210901094153.227671-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.104] X-ClientProxiedBy: DAG4EX2.mxp5.local (172.16.2.32) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: 52c7af14-e2ad-418a-8481-aa262ffd6177 X-Ovh-Tracer-Id: 5396719728784018339 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvtddruddvfedgudelucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufffkffojghfgggtgfhisehtkeertdertdejnecuhfhrohhmpeevrogurhhitgcunfgvucfiohgrthgvrhcuoegtlhhgsehkrghougdrohhrgheqnecuggftrfgrthhtvghrnhepiefgvddvffffveelfeeghfehgeetuddtgfeuveefffelgeelvdeuhfetteeukeejnecuffhomhgrihhnpehgihhthhhusgdrtghomhenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddtgeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehmgihplhgrnhehrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheptghlgheskhgrohgurdhorhhgpdhrtghpthhtoheptghlgheskhgrohgurdhorhhg 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=79.137.123.220; envelope-from=clg@kaod.org; helo=smtpout1.3005.mail-out.ovh.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1630489438350100003 On P10, the chip id is calculated from the "Primary topology table index". See skiboot commits for more information [1]. This information is extracted from the hdata on real systems which QEMU needs to emulate. Add this property for all machines even if it is only used on POWER10. [1] https://github.com/open-power/skiboot/commit/2ce3f083f399 https://github.com/open-power/skiboot/commit/a2d4d7f9e14a Signed-off-by: C=C3=A9dric Le Goater --- hw/ppc/pnv_xscom.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/ppc/pnv_xscom.c b/hw/ppc/pnv_xscom.c index faa488e3117a..9ce018dbc279 100644 --- a/hw/ppc/pnv_xscom.c +++ b/hw/ppc/pnv_xscom.c @@ -284,6 +284,10 @@ int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_of= fset, _FDT(xscom_offset); g_free(name); _FDT((fdt_setprop_cell(fdt, xscom_offset, "ibm,chip-id", chip->chip_id= ))); + /* + * On P10, the xscom bus id has been deprecated and the chip id is + * calculated from the "Primary topology table index". See skiboot. + */ _FDT((fdt_setprop_cell(fdt, xscom_offset, "ibm,primary-topology-index", chip->chip_id))); _FDT((fdt_setprop_cell(fdt, xscom_offset, "#address-cells", 1))); --=20 2.31.1