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: 11045937 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 66251912 for ; Tue, 16 Jul 2019 12:01:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5405C2843B for ; Tue, 16 Jul 2019 12:01:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4692A2844B; Tue, 16 Jul 2019 12:01:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DF6312843B for ; Tue, 16 Jul 2019 12:01:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Hj2MSxY+TM/lUktxQczZH7ZHomynSUnJtMdjuW6jBtQ=; b=X4ba706lKrpbB9 covPTQ4fWtnsergUfYy9NV3MQ5rMknnBW+zNZPqHBkGi1GhFfkx6Br6dEVZAVQ/85nDzT/hWOrtg9 dl4ACMXX5zZ4zcA95dL2SAlVOYJK1AX1VS084vobGBYBVQGqXKozkpyna1Rwcqgxq+6SDYgGPQLMG cyFIdr4CM312cjy9V3m3TwR6HGH6Paz4QDl5rmH/pdX0VOXyk52/EC3ZiqOW8SegjIZM68oEd2zkT kRaniGAhkTIMkh1weDFercDC2pDHqMCIFH1ksY5zv1I7l6PqtnNnuU0eqHf3vDzaFICzUddUD36+Y ueyShI2FjnCSk47YHKXQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hnM99-0007ZH-IA; Tue, 16 Jul 2019 12:01:27 +0000 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hnM71-0004WL-C6 for linux-rockchip@lists.infradead.org; Tue, 16 Jul 2019 11:59:17 +0000 Received: by mail-pf1-x444.google.com with SMTP id u14so9023394pfn.2 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=AVrVLRFmBn8SVg+/WJe7CUqGr5cl4+v2mG0FNdwrYaZmft7DYor55KgvEHcjfPLLXv vuhxXoxQGXQACvtLnV0oXjCh25zYRRHEy3QTCgaFHBoaZ2GncyDcxkaX9KtCr6sfbCsZ ZExP/H6tCewjQtnzrPPVsJr6KBOnSJ2uDKbxxfy7mUe0QQy1rtFmZaJVlmiWQfnOW3La Qs+WNxHbnooprbCQcTaBf0kWzf8x+G2Jun3h0i0EmZ5r03ZdIMMWdvqXyiyHObuE2TzW RSG94iXu3i3qqvu2P6RORC3q1tMye+v1b/PRVWskKN5gtfqlUE9ZNXSlzmWHMmIC134V aIgw== X-Gm-Message-State: APjAAAXozRp3FCRTYZccQ8PhEaQACSr9CLe40tNU+aNnm5QYuu1Sq3cY RhLcW6kVSCEg0Hx9Ocxk4aat9g== 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 Subject: [PATCH v3 22/57] ram: rk3399: Add lpddr4 rank mask for wdql training 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190716_045915_495127_6A0B8A98 X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, gajjar04akash@gmail.com, linux-amarula@amarulasolutions.com, Jagan Teki , Manivannan Sadhasivam Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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)))