From patchwork Mon Jun 17 07:31:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10998071 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 EDE5476 for ; Mon, 17 Jun 2019 07:36:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA5AE28846 for ; Mon, 17 Jun 2019 07:36:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CE68F28861; Mon, 17 Jun 2019 07:36:53 +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 503DA28846 for ; Mon, 17 Jun 2019 07:36:53 +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=TiAPoBtkLNBnIHA2J95jT9KdUUOkt+1e78s3lOLC8U4=; b=aEKtdPT0fCEc2C I35ZaQcIkGS+x01F56X8j6eNXG2SBa+7fNTpVsJeAwXa5U0V7hpyFBNAYK3EWC2/I42yCsDf3YiQQ A6EvPvSA0ay6m62weBV6LuZ7OOhrBftnx7ZKMA2asvtFoC6xnw4OnhUHLiNnGrWvAiu4fnQUEZtH2 BoceHlz3UcIEKP71+vh5/8LhGUItTJLpczpRakJw15vx8bRVZsKuERzioLMHHXTgRyvlYXYHQOAc8 KwPgFr10sE3zAY64DLWAVGbxAAzkuiFTjXNMcIbXYviLwMY7z8X8XALC89cLr60fQNLr+bIWqbQG4 A0oEKTsCgpZ5baDb7UHg==; 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 1hcmCB-0005Lg-6r; Mon, 17 Jun 2019 07:36:51 +0000 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hcmC8-0005JQ-CL for linux-rockchip@lists.infradead.org; Mon, 17 Jun 2019 07:36:49 +0000 Received: by mail-pf1-x441.google.com with SMTP id 19so5194398pfa.4 for ; Mon, 17 Jun 2019 00:36:48 -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=vmesk4/+DCU1Vw0a90o3w5dTRbiy7VBpAXz9SAe2iFs=; b=EUl50H4XAFrXe857NujkPfGIXSl8E3Sti2I37WxIuYRxGvFsvseR9u0P0eOFr1iK6a Qtg5MTZ9a5mVDd8HrY31gn3HgfZSYkSrc1Lr/PVVruUiOCH2GbuSAHqiriC6Im+E59+P 7+StkVZPZ8uEigZur2XIsGUClWInTnzHeW30E= 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=vmesk4/+DCU1Vw0a90o3w5dTRbiy7VBpAXz9SAe2iFs=; b=B32RjFfNS5WNaGyD4nIG482UnfG7oRyJHksUDQHdhSd49tf3jHF0y+qy7ebWyk5HFf SCfGNT8fqBF1LYgBt6WMilE3a9PyaaESX+jeuk61wnXRn0d6f40xQSGDKgVhUB+fe+cf vckqbYol45tCawqRILIqUB9zqSYKBoPwQlRxDpfALVU5XCSHnEjY1lzLsOqIYN+vG0SM fyeQTmzQWEAuS1Kr9CP4AH9Dso502wU51FtB7geRrpZZEwMrQ+l/5aJeEIlN5irVnpuw rFqOaFG87CZp82wFEbJ5vsi1XWyrCnTbK78Zj2V69z7LWJC9FRmT8mVSCRqGVhAtR1G9 2Dog== X-Gm-Message-State: APjAAAX2Y0xYg7akhMpPGisBpBagqUehAHxYArFB/bj0lITvEdxv5xd4 dB7v1FDPvZmp5D8Ntw8Jcx1VvQ== X-Google-Smtp-Source: APXvYqz5C3VgnCRci3Ax+c4mFbfgvICuRK2gpBVzSmwc03dmrwuEyjAqu/tWv3+HD/zIWwGnHf2oOw== X-Received: by 2002:a63:2e02:: with SMTP id u2mr142816pgu.112.1560757007487; Mon, 17 Jun 2019 00:36:47 -0700 (PDT) Received: from localhost.localdomain ([49.206.203.245]) by smtp.gmail.com with ESMTPSA id m41sm15205998pje.18.2019.06.17.00.36.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 00:36:47 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Subject: [PATCH v2 08/99] ram: rk3399: Clear PI_175 interrupts in data training Date: Mon, 17 Jun 2019 13:01:21 +0530 Message-Id: <20190617073252.27810-9-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190617073252.27810-1-jagan@amarulasolutions.com> References: <20190617073252.27810-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190617_003648_449150_C3BE50A4 X-CRM114-Status: UNSURE ( 9.15 ) 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 Clear the PI_175 interrupts before processing actual data training in all relevant calls. This would help to clear interrupt from previous training. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen Reviewed-by: Kever Yang --- drivers/ram/rockchip/sdram_rk3399.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 20a3e89c17..1898466b4c 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -617,6 +617,9 @@ static int data_training_ca(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_err = 0; u32 rank = params->ch[channel].rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -671,6 +674,9 @@ static int data_training_wl(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 rank = params->ch[channel].rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -730,6 +736,9 @@ static int data_training_rg(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 rank = params->ch[channel].rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -789,6 +798,9 @@ static int data_training_rl(const struct chan_info *chan, u32 channel, u32 i, tmp; u32 rank = params->ch[channel].rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -834,6 +846,9 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, u32 i, tmp; u32 rank = params->ch[channel].rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i);