From mboxrd@z Thu Jan 1 00:00:00 1970 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 1378CC28B2F for ; Sun, 9 Mar 2025 13:57:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1trH4v-0008Jj-QV; Sun, 09 Mar 2025 09:52:29 -0400 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 1trH4t-0008B2-8q for qemu-devel@nongnu.org; Sun, 09 Mar 2025 09:52:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1trH4q-0002gI-2k for qemu-devel@nongnu.org; Sun, 09 Mar 2025 09:52:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741528342; 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=JmUhIz0pU1pz6YGmXB7wCr8A1w9Dx1XLPXmsJziuv5w=; b=DTDAXsbxngj98NtWdktiUuPboOaoCUaCXUW7sMC28FWXqkyqLWVW8lkXLCs5mRjK22j03N O6+y19mF9C2LyDJMqiNhMSlmoj3Bo0nR9dnJj99k7fCkx5SYO4L+RruSJ4E2rlO0Vgt76B ZVFu1QycV/RqHVuWECFw9fp+6oFmSvM= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-224-bTA39x9JPrmx8EmsBptNqw-1; Sun, 09 Mar 2025 09:52:18 -0400 X-MC-Unique: bTA39x9JPrmx8EmsBptNqw-1 X-Mimecast-MFC-AGG-ID: bTA39x9JPrmx8EmsBptNqw_1741528337 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 377D518004A9; Sun, 9 Mar 2025 13:52:17 +0000 (UTC) Received: from corto.redhat.com (unknown [10.44.32.17]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5B58D1956094; Sun, 9 Mar 2025 13:52:15 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jamin Lin , Nabih Estefan , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 16/46] hw/arm/aspeed_ast27x0.c Separate HW Strap Registers for SCU and SCUIO Date: Sun, 9 Mar 2025 14:51:00 +0100 Message-ID: <20250309135130.545764-17-clg@redhat.com> In-Reply-To: <20250309135130.545764-1-clg@redhat.com> References: <20250309135130.545764-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.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, 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_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 From: Jamin Lin There is one hw-strap1 register in the SCU (CPU DIE) and another hw-strap1 register in the SCUIO (IO DIE). The values of these two registers should not be the same. To reuse the current design of hw-strap, hw-strap1 is assigned to the SCU and sets the value in the SCU hw-strap1 register, while hw-strap2 is assigned to the SCUIO and sets the value in the SCUIO hw-strap1 register. Signed-off-by: Jamin Lin Tested-by: Nabih Estefan Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/qemu-devel/20250304064710.2128993-6-jamin_lin@aspeedtech.com Signed-off-by: Cédric Le Goater --- hw/arm/aspeed_ast27x0.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c index 56e43d45ad22..4cee6ddc0b57 100644 --- a/hw/arm/aspeed_ast27x0.c +++ b/hw/arm/aspeed_ast27x0.c @@ -333,14 +333,21 @@ static void aspeed_soc_ast2700_init(Object *obj) sc->silicon_rev); object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1"); - object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), - "hw-strap2"); object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu), "hw-prot-key"); object_initialize_child(obj, "scuio", &s->scuio, TYPE_ASPEED_2700_SCUIO); qdev_prop_set_uint32(DEVICE(&s->scuio), "silicon-rev", sc->silicon_rev); + /* + * There is one hw-strap1 register in the SCU (CPU DIE) and another + * hw-strap1 register in the SCUIO (IO DIE). To reuse the current design + * of hw-strap, hw-strap1 is assigned to the SCU and sets the value in the + * SCU hw-strap1 register, while hw-strap2 is assigned to the SCUIO and + * sets the value in the SCUIO hw-strap1 register. + */ + object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scuio), + "hw-strap1"); snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname); object_initialize_child(obj, "fmc", &s->fmc, typename); -- 2.48.1