From patchwork Tue Jul 16 11:57:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 11045951 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 03871912 for ; Tue, 16 Jul 2019 12:01:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E58682843B for ; Tue, 16 Jul 2019 12:01:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D96FE2844B; Tue, 16 Jul 2019 12:01:48 +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 892942843B for ; Tue, 16 Jul 2019 12:01:48 +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=xfe+f+z1sFRAGnnLoOtEz/XxYYJmsBebkKPCexexAFk=; b=QSYVcpxLlPcVvI M1c3IfDo0ksse8Y/iQeT8v04JeHpJRFVXXJrMkf1VxmZm5QhUBMf8ZxddZYhIskoldb7CowK6cx+/ NxAws8I1WXDVIBWDn4vNyWCjjiVLaL4+mXSD0weH54gSK18uRJN97kzimehoONK9jKViwHqUcFALp u3RBxLGxfMBFDaKlNUY2/gtaAh3s3js9xxbbwQWhpAfvkwdrX7ZkC1iRoO9ceQ4bhz9tpqFBrIQAC vDZF8V/1E+8ALVq+ihAV/ithQGN/CuprqOnsCANWr2COmHvOrQsJLDy1xccPTJfzeM522vgYH5Qdk xHl9Gv2aW25gwLCL7qJQ==; 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 1hnM9R-0007oO-Iu; Tue, 16 Jul 2019 12:01:45 +0000 Received: from mail-pg1-x542.google.com ([2607:f8b0:4864:20::542]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hnM7M-0004ns-Km for linux-rockchip@lists.infradead.org; Tue, 16 Jul 2019 11:59:38 +0000 Received: by mail-pg1-x542.google.com with SMTP id f20so105638pgj.0 for ; Tue, 16 Jul 2019 04:59:36 -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=Rbj7gTTpO1vnkKzf5lTMy85sQ0s2pKEpNhM65tgL3dY=; b=l9YG59UTqtJWAqV8sPO7v1iPIbuxwjxRX5Hyw7jkXT0227rXXOttx8CnKZJ+34QxF0 qVjFLQDn91dTnqIz1REfkDCGzpOoCxh8wrYygnqxPdJegCEw4fZPO0rYwqM9BCI2agyv TzgtV4FQaxsiNe8SHsvPoZ2mt1btKSTMfW60I= 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=Rbj7gTTpO1vnkKzf5lTMy85sQ0s2pKEpNhM65tgL3dY=; b=ijNHVhr3EfnBVofYlhFa7KWEzrOl7pVg1IxmLMKfk7bmHXOrnVMHQ3EVsPdE/uiBH8 TL2EHZioeALfjEIWppW6hxt0VF5oERjHYUqrEv5dBK+JA2FoN2+9rq8NtcuMG3GI30Nn FyK8dmpjb+2QFWJHNvtCPzemeB6ShNNdA4QeHs7VYvIdHDZPFIwuqkw0nD2xG6JQQcMT mOkisOWf09js6aUbwBkABxDGLaz9Qm6V2DmYkIP/1my+Hlw1cBHQBgW1hjvs6tpgNID+ AVJP3VRTwwMrVXwm/t9rpZuITyLUyjkvgWK2lbXcIjmIPs/OzeI4LQFsd9nXpMNgvGCh LWOQ== X-Gm-Message-State: APjAAAUWjeBU9v4oBRMdeACYZH/Z0FX8awfUFBcF/ab5OIgbZ3kyQp/o Fo4CmZsbjq3u9Liq7AidQss1UQ== X-Google-Smtp-Source: APXvYqxSeVYe1Wkxm3eaD8vaBcbM/Av6+LN30ZbtzvNMVECpmxelCcAeBSx4K+c3CJ+plEAj7fjctw== X-Received: by 2002:a63:d755:: with SMTP id w21mr33333475pgi.311.1563278375831; Tue, 16 Jul 2019 04:59:35 -0700 (PDT) Received: from localhost.localdomain ([49.206.201.107]) by smtp.gmail.com with ESMTPSA id z24sm36269566pfr.51.2019.07.16.04.59.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jul 2019 04:59:35 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Subject: [PATCH v3 28/57] ram: rk3399: Configure SLEWP_EN, SLEWN_EN for lpddr4 Date: Tue, 16 Jul 2019 17:27:16 +0530 Message-Id: <20190716115745.12585-29-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_045936_730097_C94CA5E2 X-CRM114-Status: UNSURE ( 9.12 ) 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 Configure SLEWP_EN, SLEWN_EN for lpddr4 during phy IO config. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen Reviewed-by: Kever Yang --- drivers/ram/rockchip/sdram_rk3399.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index a9e092c39f..c02f936f2a 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -37,6 +37,8 @@ #define PHY_BOOSTP_EN 0x1 #define PHY_BOOSTN_EN 0x1 +#define PHY_SLEWP_EN 0x1 +#define PHY_SLEWN_EN 0x1 #define CRU_SFTRST_DDR_CTRL(ch, n) ((0x1 << (8 + 16 + (ch) * 4)) | \ ((n) << (8 + (ch) * 4))) @@ -334,6 +336,25 @@ static int phy_io_config(const struct chan_info *chan, clrsetbits_le32(&denali_phy[937], 0xff << 20, reg_value << 20); /* PHY_939 PHY_PAD_CS_DRIVE */ clrsetbits_le32(&denali_phy[939], 0xff << 20, reg_value << 20); + + /* SLEWP_EN & SLEWN_EN */ + reg_value = ((PHY_SLEWP_EN << 3) | PHY_SLEWN_EN); + /* PHY_924 PHY_PAD_FDBK_DRIVE */ + clrsetbits_le32(&denali_phy[924], 0x3f << 8, reg_value << 8); + /* PHY_926 PHY_PAD_DATA_DRIVE */ + clrsetbits_le32(&denali_phy[926], 0x3f, reg_value); + /* PHY_927 PHY_PAD_DQS_DRIVE */ + clrsetbits_le32(&denali_phy[927], 0x3f, reg_value); + /* PHY_928 PHY_PAD_ADDR_DRIVE */ + clrsetbits_le32(&denali_phy[928], 0x3f << 8, reg_value << 8); + /* PHY_929 PHY_PAD_CLK_DRIVE */ + clrsetbits_le32(&denali_phy[929], 0x3f << 8, reg_value << 8); + /* PHY_935 PHY_PAD_CKE_DRIVE */ + clrsetbits_le32(&denali_phy[935], 0x3f << 8, reg_value << 8); + /* PHY_937 PHY_PAD_RST_DRIVE */ + clrsetbits_le32(&denali_phy[937], 0x3f << 8, reg_value << 8); + /* PHY_939 PHY_PAD_CS_DRIVE */ + clrsetbits_le32(&denali_phy[939], 0x3f << 8, reg_value << 8); } /* speed setting */