From patchwork Tue Jul 16 11:57:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 1132729 X-Patchwork-Delegate: ykai007@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="DMoTToEV"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 45p0404hcqz9s3l for ; Tue, 16 Jul 2019 22:25:52 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id 2F5A8C21E47; Tue, 16 Jul 2019 12:10:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 1643DC21E07; Tue, 16 Jul 2019 12:08:26 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 4118BC21E2C; Tue, 16 Jul 2019 11:59:20 +0000 (UTC) Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) by lists.denx.de (Postfix) with ESMTPS id F2A3FC21DA1 for ; Tue, 16 Jul 2019 11:59:15 +0000 (UTC) Received: by mail-pg1-f193.google.com with SMTP id g15so9342612pgi.4 for ; Tue, 16 Jul 2019 04:59:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aylTmfkqtJF+7tnDVUrQIwHiwDYUMKBZKCeVtVEHmj0=; b=DMoTToEVSnJ02RosyO+QJQNuvtjoVEQE0Hxa7pgKupbl8XVUHa8vp96UF+C1DruFtM rayTlb9wdvHtaqjeG1t4LWoeH/SFz6FoKWoyerwuLaAOHmJtr4wUVgyuQZeZ5woIjIiI VdcZZryGJedwnGEk1IdH2fsZS5beLuJUifB7A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aylTmfkqtJF+7tnDVUrQIwHiwDYUMKBZKCeVtVEHmj0=; b=MHKmgHgUkK60H8m9rPyCzDh338ztvQL1BMAxibNu0DHCjm1pbclP/UL4mrpmOnLgQ6 RLOF7IeJd8Jz92FspCcF4T6rwOT+c4Vl1KtXYk3M1IxpqSZmNLD7ei02V2PLrz/JHfrg eWm3id3LFaLBSPGKlOxedXwzUr8U/fbKM6Xspo1fi1toY9n2sERxyiURj572iWl0hXq0 t8UoPYt2YamffDTuTZ28U4u0HO9scE0vAdwOqvWaxg+7Om4QOLy7o7+RpJegQSKNYcEU MoqVGCziCWl5bGkgEWdK4X/qzsKd47Ta+HON08T4If9tHren94N6IKXC36x3BteLROq5 F7gg== X-Gm-Message-State: APjAAAXPDXKr59OPv5R66Mns4mHgWIy6IX8l8aXSKISF2Q5MdQhnN8Nk SueqDT5X6iQZWSLZ4x2jQiysBA== X-Google-Smtp-Source: APXvYqx5bdsfw1mFrn6MGjEJAhpSACu0W4crl1V3h+uPANyH/l3AE8cAQIdhMOAcL7e4ElXtl4ymCw== X-Received: by 2002:a17:90a:380d:: with SMTP id w13mr35066590pjb.138.1563278354606; Tue, 16 Jul 2019 04:59:14 -0700 (PDT) Received: from localhost.localdomain ([49.206.201.107]) by smtp.gmail.com with ESMTPSA id z24sm36269566pfr.51.2019.07.16.04.59.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jul 2019 04:59:14 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Date: Tue, 16 Jul 2019 17:27:10 +0530 Message-Id: <20190716115745.12585-23-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190716115745.12585-1-jagan@amarulasolutions.com> References: <20190716115745.12585-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Cc: linux-rockchip@lists.infradead.org, gajjar04akash@gmail.com, linux-amarula@amarulasolutions.com, Manivannan Sadhasivam Subject: [U-Boot] [PATCH v3 22/57] ram: rk3399: Add lpddr4 rank mask for wdql training X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 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" Add rank_mask based on the rank number for lpddr4. This would keep the wdql data training loop based on the desired rank mask value instead of looping for all values. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen Reviewed-by: Kever Yang --- drivers/ram/rockchip/sdram_rk3399.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 8ecc3a1b74..711477188e 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -925,7 +925,10 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ writel(0x00003f7c, (&denali_pi[175])); - rank_mask = (rank == 1) ? 0x1 : 0x3; + if (params->base.dramtype == LPDDR4) + rank_mask = (rank == 1) ? 0x5 : 0xf; + else + rank_mask = (rank == 1) ? 0x1 : 0x3; for (i = 0; i < 4; i++) { if (!(rank_mask & (1 << i)))