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 9960AC021B8 for ; Tue, 4 Mar 2025 06:49:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpM4S-0006c5-7y; Tue, 04 Mar 2025 01:48:04 -0500 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 1tpM4O-0006b2-KP; Tue, 04 Mar 2025 01:48:00 -0500 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tpM4N-0003IK-16; Tue, 04 Mar 2025 01:48:00 -0500 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Tue, 4 Mar 2025 14:47:11 +0800 Received: from mail.aspeedtech.com (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Tue, 4 Mar 2025 14:47:11 +0800 To: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , Subject: [PATCH v5 5/6] hw/arm/aspeed_ast27x0.c Separate HW Strap Registers for SCU and SCUIO Date: Tue, 4 Mar 2025 14:47:07 +0800 Message-ID: <20250304064710.2128993-6-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250304064710.2128993-1-jamin_lin@aspeedtech.com> References: <20250304064710.2128993-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.com 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_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_FAIL=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jamin Lin From: Jamin Lin via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org 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 --- 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 a48f47b74e..92487bf229 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); -- 2.34.1