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[209.85.220.65]) by mx.google.com with SMTPS id q20sor10181554pgv.84.2019.06.17.00.40.00 for (Google Transport Security); Mon, 17 Jun 2019 00:40:00 -0700 (PDT) Received-SPF: pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; X-Received: by 2002:a63:eb0a:: with SMTP id t10mr43098746pgh.99.1560757200157; Mon, 17 Jun 2019 00:40:00 -0700 (PDT) Received: from localhost.localdomain ([49.206.203.245]) by smtp.gmail.com with ESMTPSA id m41sm15205998pje.18.2019.06.17.00.39.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 00:39:59 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Cc: Manivannan Sadhasivam , gajjar04akash@gmail.com, linux-rockchip@lists.infradead.org, linux-amarula@amarulasolutions.com, Jagan Teki Subject: [PATCH v2 66/99] ram: rk3399: Configure BOOSTP_EN, BOOSTN_EN for lpddr4 Date: Mon, 17 Jun 2019 13:02:19 +0530 Message-Id: <20190617073252.27810-67-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-Original-Sender: jagan@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=ZSEUxPef; spf=pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=jagan@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Configure BOOSTP_EN, BOOSTN_EN for lpddr4 during phy IO config. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen --- drivers/ram/rockchip/sdram_rk3399.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index f04819bacb..1a5546189b 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -35,6 +35,9 @@ #define PHY_DRV_ODT_40 0xe #define PHY_DRV_ODT_34_3 0xf +#define PHY_BOOSTP_EN 0x1 +#define PHY_BOOSTN_EN 0x1 + #define CRU_SFTRST_DDR_CTRL(ch, n) ((0x1 << (8 + 16 + (ch) * 4)) | \ ((n) << (8 + (ch) * 4))) #define CRU_SFTRST_DDR_PHY(ch, n) ((0x1 << (9 + 16 + (ch) * 4)) | \ @@ -312,6 +315,27 @@ static int phy_io_config(const struct chan_info *chan, /* PHY_939 PHY_PAD_CS_DRIVE */ clrsetbits_le32(&denali_phy[939], 0x7 << 14, mode_sel << 14); + if (IS_ENABLED(CONFIG_RAM_RK3399_LPDDR4)) { + /* BOOSTP_EN & BOOSTN_EN */ + reg_value = ((PHY_BOOSTP_EN << 4) | PHY_BOOSTN_EN); + /* PHY_925 PHY_PAD_FDBK_DRIVE2 */ + clrsetbits_le32(&denali_phy[925], 0xff << 8, reg_value << 8); + /* PHY_926 PHY_PAD_DATA_DRIVE */ + clrsetbits_le32(&denali_phy[926], 0xff << 12, reg_value << 12); + /* PHY_927 PHY_PAD_DQS_DRIVE */ + clrsetbits_le32(&denali_phy[927], 0xff << 14, reg_value << 14); + /* PHY_928 PHY_PAD_ADDR_DRIVE */ + clrsetbits_le32(&denali_phy[928], 0xff << 20, reg_value << 20); + /* PHY_929 PHY_PAD_CLK_DRIVE */ + clrsetbits_le32(&denali_phy[929], 0xff << 22, reg_value << 22); + /* PHY_935 PHY_PAD_CKE_DRIVE */ + clrsetbits_le32(&denali_phy[935], 0xff << 20, reg_value << 20); + /* PHY_937 PHY_PAD_RST_DRIVE */ + 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); + } + /* speed setting */ if (params->base.ddr_freq < 400) speed = 0x0;