From patchwork Wed Nov 23 14:32:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jit Loon Lim X-Patchwork-Id: 1708348 X-Patchwork-Delegate: marek.vasut@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=KN41rMNq; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4NHNs64KlKz23mR for ; Thu, 24 Nov 2022 01:33:14 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 89C4E854B4; Wed, 23 Nov 2022 15:33:11 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="KN41rMNq"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 8FE83852CC; Wed, 23 Nov 2022 15:33:09 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=0.9 required=5.0 tests=AC_FROM_MANY_DOTS,BAYES_00, DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=no autolearn_force=no version=3.4.2 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 194A6854B4 for ; Wed, 23 Nov 2022 15:33:06 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: phobos.denx.de; spf=none smtp.mailfrom=jitloonl@ecsmtp.png.intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669213987; x=1700749987; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=UcGYTHbKE8bjI824XMePHl3jVA8oD1biv23A3UN6x7Q=; b=KN41rMNq3vxgAeZ9ROrX1MryFLP/O2ZU7dZ2bb5jYV7SwdS4umjDYaPr kYKpMx4KL3MXcHkgTxRrRFwjNRMK2ebG+YlzYMpr8B3xj2cm1z+PKKPzc c5QR8OSGEdX0/1+3C0AZtUNZ2Q2Cr2eZwKCqea11Rur7OCmS8ZDOGm75o cm/+h9kfw+InWRc9fGtnNpyw3cXmDCMalZkCW4dG2f2ok4b/2HkSvOaHl h/vi4xvAXuEai3r4V/8OY7s3ETTEAPw2JsPDSfMSP63rxznPNHZclThD1 BZSFw/vL4DgypFkFOvaKShg2PB9mznnnVKEPH7K7LHYh00iW6pJri6rN1 A==; X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="315228456" X-IronPort-AV: E=Sophos;i="5.96,187,1665471600"; d="scan'208";a="315228456" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2022 06:33:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="730800310" X-IronPort-AV: E=Sophos;i="5.96,187,1665471600"; d="scan'208";a="730800310" Received: from pglmail07.png.intel.com ([10.221.193.207]) by FMSMGA003.fm.intel.com with ESMTP; 23 Nov 2022 06:32:59 -0800 Received: from localhost (pgli0028.png.intel.com [10.221.84.177]) by pglmail07.png.intel.com (Postfix) with ESMTP id A9FCD482B; Wed, 23 Nov 2022 22:32:58 +0800 (+08) Received: by localhost (Postfix, from userid 12048045) id A50BAE0095B; Wed, 23 Nov 2022 22:32:58 +0800 (+08) From: Jit Loon Lim To: u-boot@lists.denx.de Cc: Jagan Teki , Vignesh R , Marek , Simon , Tien Fong , Kok Kiang , Siew Chin , Sin Hui , Raaj , Dinesh , Boon Khai , Alif , Teik Heng , Hazim , Jit Loon Lim , Sieu Mun Tang Subject: [PATCH] ddr: altera: n5x: Copies calibration data to DDR when DDR retention is set Date: Wed, 23 Nov 2022 22:32:57 +0800 Message-Id: <20221123143257.5337-1-jit.loon.lim@intel.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean From: Tien Fong Chee Ensure the PHY calibration data is copied to DDR only when DDR retention is set. Signed-off-by: Tien Fong Chee Signed-off-by: Jit Loon Lim --- drivers/ddr/altera/sdram_n5x.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/ddr/altera/sdram_n5x.c b/drivers/ddr/altera/sdram_n5x.c index 8d28cdbc03..72c231b3f1 100644 --- a/drivers/ddr/altera/sdram_n5x.c +++ b/drivers/ddr/altera/sdram_n5x.c @@ -3045,10 +3045,13 @@ int sdram_mmr_init_full(struct udevice *dev) sdram_set_firewall(&bd); - ddr_offset = simple_strtoul(offset, &endptr, 16); - if (!(offset == endptr || *endptr != '\0')) - memcpy((void *)ddr_offset, - (const void *)SOC64_OCRAM_PHY_BACKUP_BASE, SZ_4K); + if (is_ddr_retention_enabled(reg)) { + ddr_offset = simple_strtoul(offset, &endptr, 16); + if (!(offset == endptr || *endptr != '\0')) + memcpy((void *)ddr_offset, + (const void *)SOC64_OCRAM_PHY_BACKUP_BASE, + SZ_4K); + } return 0; }