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 9792ECCA472 for ; Wed, 8 Oct 2025 12:26:41 +0000 (UTC) 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) X-Virus-Scanned: amavis at eik.bme.hu 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) From: BALATON Zoltan Subject: [PATCH] i2c/smbus_eeprom: Add minimum write recovery time for DDR2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This is needed for newer u-boot-sam460ex versions to pass the DRAM setup. Signed-off-by: BALATON Zoltan --- 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_addr_t ram_size) spd[33] = 8; /* addr/cmd hold time */ spd[34] = 20; /* data input setup time */ spd[35] = 8; /* data input hold time */ + spd[36] = (type == DDR2 ? 13 << 2 : 0); /* min. write recovery time */ /* checksum */ for (i = 0; i < 63; i++) { -- 2.41.3