From patchwork Tue Jun 11 14:50:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10987241 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 7E13614BB for ; Tue, 11 Jun 2019 14:52:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6D6822887E for ; Tue, 11 Jun 2019 14:52:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6AAB5288AA; Tue, 11 Jun 2019 14:52:33 +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 22079288A0 for ; Tue, 11 Jun 2019 14:52:33 +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=yZIVscJInMt5Sf2gY/60W9XyiaWDSx0LV6oos3wTVN8=; b=CNei1sx/lmjVfj vHoWW9yOqt+rPIeL26QRs+8qpibi43U2M7X3tbdjpVUPAmZNOW7alLJ/t/P0+OlXwWMw4JvHQ29mA yA1Zr6LGOGVcERCsMqG94BkxW2sW9Mqwzg3BjzlpFbScxwyAjjOZ/yAdf4ig0INdqKuqrN//cKYtB hHEWtPAdnqBdGyvm3nXTHc2BV9mri1kVvLQikvbiXmgbuYzwAHaVpQbVPUHpGWAQXHR25QFhKKXVJ vj6tj90AA57Wu/igyRW8ZRqnk9AG6YCT4EN/ZUdbUWCG8MLMPMUqb7pAYBBbsM2izg/vWsvKZjjGL eB1vjmzQr2ilJSfsuU0g==; 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 1hai8U-00044k-Ib; Tue, 11 Jun 2019 14:52:30 +0000 Received: from mail-pg1-x541.google.com ([2607:f8b0:4864:20::541]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hai8R-00042M-FI for linux-rockchip@lists.infradead.org; Tue, 11 Jun 2019 14:52:28 +0000 Received: by mail-pg1-x541.google.com with SMTP id f25so7101789pgv.10 for ; Tue, 11 Jun 2019 07:52:27 -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=X2Tg3fSi1tlmN05lpvTCv2jc3ixEGMinJbElbSaFifU=; b=mAlzsXU1Jkyx0fvQFyo4mTSY1gaW3aiJrrG+N4DYTIhRosttSxWcQoiH1v4HXxc+7h +iv/hN6jG8ufYhITxz1QIxxiUx39cO13Jx2YB35sjh8tUU096+HVi4IUNKCePb5F/whU Oqm+Ni97fHIDXGFdDWU/pNBZjWXEHOSAzylZQ= 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=X2Tg3fSi1tlmN05lpvTCv2jc3ixEGMinJbElbSaFifU=; b=RZCkYXIcBOrwLY69deShjo79J2Wr8vqn82vw+UCM8rE6+hUL6T+9fxlezzsryK8xes VhQgdkzbdkEsSdJIt06u2gJcbxzfF0yBreerNkOyZbgm8jPmN/Y46eyGui1LkuabXXNp qe1H46V/T3GLTg0M7ioeQk1hcY+Whmq6QmSbXMQ5WW9m5TBJRW0zFD4ksCAme6WRZfl7 qL3GjkfY3JGEzvABH9pbdRPOWOPENB3GbDKIrhO0Fth/LS/ew+5I0dvD3LNJaingJxOS zjTCt1G43LSAiRrIVuS8C0tJGJCBF1vb+hkjuXOLNFjf9p0pDArKL/kM1LIqqlaIXTdk is/Q== X-Gm-Message-State: APjAAAX4r9IbDjqDwVQ1Bv9hhxUbC4URZbXyYf5s3b0ZMY4la2ODEkAZ riphnuIQNg1kaPAr/sHxGubl8Q== X-Google-Smtp-Source: APXvYqy8dJNiS4nBAbCZWWGl3KT3TzBwrQ/8RuKCnDhtgp60kHahtsAR26JdRlRBdn418ppZyWPr+Q== X-Received: by 2002:a62:5587:: with SMTP id j129mr80331322pfb.45.1560264747011; Tue, 11 Jun 2019 07:52:27 -0700 (PDT) Received: from localhost.localdomain ([115.97.180.18]) by smtp.gmail.com with ESMTPSA id e9sm16206208pfn.154.2019.06.11.07.52.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Jun 2019 07:52:26 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Subject: [PATCH 09/92] ram: rk3399: Use rank mask in wdql data training Date: Tue, 11 Jun 2019 20:20:12 +0530 Message-Id: <20190611145135.21399-10-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190611145135.21399-1-jagan@amarulasolutions.com> References: <20190611145135.21399-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190611_075227_557418_E00E8925 X-CRM114-Status: UNSURE ( 9.79 ) 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, linux-amarula@amarulasolutions.com, Jagan Teki , gajjar04akash@gmail.com 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, 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 --- drivers/ram/rockchip/sdram_rk3399.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 312d19f95f..1541b34a7d 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -852,11 +852,17 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, u32 *denali_pi = chan->pi->denali_pi; u32 i, tmp; u32 rank = sdram_params->ch[channel].rank; + u32 rank_mask; /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ writel(0x00003f7c, (&denali_pi[175])); - for (i = 0; i < rank; i++) { + rank_mask = (rank == 1) ? 0x1 : 0x3; + + for (i = 0; i < 4; i++) { + if (!(rank_mask & (1 << i))) + continue; + select_per_cs_training_index(chan, i); /*