From nobody Fri Nov 14 22:20:18 2025 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=fail(p=none dis=none) header.from=eik.bme.hu Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1759926403941367.62680382853284; Wed, 8 Oct 2025 05:26:43 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v6TEU-0000lY-Tm; Wed, 08 Oct 2025 08:25:27 -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 1v6TEQ-0000lP-BG for qemu-devel@nongnu.org; Wed, 08 Oct 2025 08:25:22 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v6TEG-00068Q-6R for qemu-devel@nongnu.org; Wed, 08 Oct 2025 08:25:19 -0400 Received: from localhost (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id A2C4956F30C; Wed, 08 Oct 2025 14:25:04 +0200 (CEST) Received: from zero.eik.bme.hu ([127.0.0.1]) by localhost (zero.eik.bme.hu [127.0.0.1]) (amavis, port 10028) with ESMTP id yAy7HB7JqwRX; Wed, 8 Oct 2025 14:25:02 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 9DA8956F301; Wed, 08 Oct 2025 14:25:02 +0200 (CEST) X-Virus-Scanned: amavis at eik.bme.hu From: BALATON Zoltan Subject: [PATCH] i2c/smbus_eeprom: Add minimum write recovery time for DDR2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org Cc: Corey Minyard Message-Id: <20251008122502.9DA8956F301@zero.eik.bme.hu> Date: Wed, 08 Oct 2025 14:25:02 +0200 (CEST) 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=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu 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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1759926414575116600 Content-Type: text/plain; charset="utf-8" This is needed for newer u-boot-sam460ex versions to pass the DRAM setup. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/i2c/smbus_eeprom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c index 0a1088fbb0..26e211b31a 100644 --- a/hw/i2c/smbus_eeprom.c +++ b/hw/i2c/smbus_eeprom.c @@ -288,6 +288,7 @@ uint8_t *spd_data_generate(enum sdram_type type, ram_ad= dr_t ram_size) spd[33] =3D 8; /* addr/cmd hold time */ spd[34] =3D 20; /* data input setup time */ spd[35] =3D 8; /* data input hold time */ + spd[36] =3D (type =3D=3D DDR2 ? 13 << 2 : 0); /* min. write recovery t= ime */ =20 /* checksum */ for (i =3D 0; i < 63; i++) { --=20 2.41.3