From nobody Mon Feb 9 07:42:07 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; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1740987446; cv=none; d=zohomail.com; s=zohoarc; b=R44Hov8n/IZ5UTXXVyviZsKOOus/gyoBLN//k2mrEfqzl56hrjSYaqAKJUyuR6D+V2lf7nU85LUnU4M4vOCPmHSdgFSgSaZ5ZjCcynNN3US1HfoGxdEIuAQKzG3GaNK40cQQdnsA2S5ksTfScukw5ubX/Tt+QDKbsWqII0BtGV4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1740987446; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=5v0xQlOyL6TuFh/uqRv6HLvkVDW08sMFOcYqkqAvRq4=; b=D8wWrLMDjTs3ltBZf2+52aKPw7Rk4kZIx16rZvR0CS5h+oIXb5z/g0Preko/6cBoI6gSqOcw7dEjQlFxyCLRypVEAJcMvE7XnexYrFM083By8DZ1bpiHDgH9pkFz11Dwp0+sFeCm2UVHDgwaRXFz+k0KpX8McLQpNX2UvSWopNw= ARC-Authentication-Results: i=1; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1740987446915478.1322538377731; Sun, 2 Mar 2025 23:37:26 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tp0Lr-0000sB-Tl; Mon, 03 Mar 2025 02:36:35 -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 1tp0LI-0000lt-By; Mon, 03 Mar 2025 02:36:00 -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 1tp0LG-0001xL-UM; Mon, 03 Mar 2025 02:36:00 -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; Mon, 3 Mar 2025 15:35:47 +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; Mon, 3 Mar 2025 15:35:47 +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 v4 1/6] hw/misc/aspeed_scu: Skipping dram_init in u-boot Date: Mon, 3 Mar 2025 15:35:41 +0800 Message-ID: <20250303073547.1145080-2-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250303073547.1145080-1-jamin_lin@aspeedtech.com> References: <20250303073547.1145080-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1740987447855019000 Content-Type: text/plain; charset="utf-8" Setting BIT6 in VGA0 SCRATCH register will indicate that the ddr traning is done, therefore skipping the u-boot-spl dram_init() process. Signed-off-by: Jamin Lin Signed-off-by: Troy Lee Reviewed-by: C=C3=A9dric Le Goater --- hw/misc/aspeed_scu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index bac1441b06..50f74fbabd 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -157,6 +157,7 @@ #define AST2700_SCU_FREQ_CNTR TO_REG(0x3b0) #define AST2700_SCU_CPU_SCRATCH_0 TO_REG(0x780) #define AST2700_SCU_CPU_SCRATCH_1 TO_REG(0x784) +#define AST2700_SCU_VGA_SCRATCH_0 TO_REG(0x900) =20 #define AST2700_SCUIO_CLK_STOP_CTL_1 TO_REG(0x240) #define AST2700_SCUIO_CLK_STOP_CLR_1 TO_REG(0x244) @@ -930,6 +931,7 @@ static const uint32_t ast2700_a0_resets[ASPEED_AST2700_= SCU_NR_REGS] =3D { [AST2700_SCU_FREQ_CNTR] =3D 0x000375eb, [AST2700_SCU_CPU_SCRATCH_0] =3D 0x00000000, [AST2700_SCU_CPU_SCRATCH_1] =3D 0x00000004, + [AST2700_SCU_VGA_SCRATCH_0] =3D 0x00000040, }; =20 static void aspeed_ast2700_scu_reset(DeviceState *dev) --=20 2.34.1