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[209.85.220.65]) by mx.google.com with SMTPS id v7sor10844016pfi.73.2019.06.17.00.41.32 for (Google Transport Security); Mon, 17 Jun 2019 00:41:32 -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:aa7:9197:: with SMTP id x23mr77174311pfa.161.1560757292682; Mon, 17 Jun 2019 00:41:32 -0700 (PDT) Received: from localhost.localdomain ([49.206.203.245]) by smtp.gmail.com with ESMTPSA id m41sm15205998pje.18.2019.06.17.00.41.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 00:41:32 -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 94/99] ram: rk3399: Set lpddr4 MR14 Date: Mon, 17 Jun 2019 13:02:47 +0530 Message-Id: <20190617073252.27810-95-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=W0f4Wclb; 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: , Set MR14 based identified controller in lpddr4 as part of LPDDR set rate initialization phase. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen --- drivers/ram/rockchip/sdram_rk3399.c | 50 +++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 5c0914f40d..e009113d45 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1989,6 +1989,55 @@ static void set_lpddr4_MR12(const struct chan_info *chan, } } +static void set_lpddr4_MR14(const struct chan_info *chan, + struct rk3399_sdram_params *params, u32 ctl, + bool ctl_phy_reg, u32 mr5) +{ + u32 *denali_ctl = get_denali_ctl(chan, params, ctl_phy_reg); + u32 *denali_pi = get_denali_pi(chan, params, ctl_phy_reg); + struct io_setting *io; + u32 reg_value; + + io = lpddr4_get_io_settings(params, mr5); + + reg_value = io->dq_vref; + + switch (ctl) { + case 0: + clrsetbits_le32(&denali_ctl[142], 0xFFFF << 16, + reg_value << 16); + clrsetbits_le32(&denali_ctl[156], 0xFFFF << 16, + reg_value << 16); + + clrsetbits_le32(&denali_pi[132], 0xFF << 16, reg_value << 16); + clrsetbits_le32(&denali_pi[140], 0xFF << 0, reg_value << 0); + clrsetbits_le32(&denali_pi[147], 0xFF << 16, reg_value << 16); + clrsetbits_le32(&denali_pi[155], 0xFF << 0, reg_value << 0); + break; + case 1: + clrsetbits_le32(&denali_ctl[143], 0xFFFF, reg_value); + clrsetbits_le32(&denali_ctl[157], 0xFFFF, reg_value); + + clrsetbits_le32(&denali_pi[130], 0xFF << 0, reg_value << 0); + clrsetbits_le32(&denali_pi[137], 0xFF << 16, reg_value << 16); + clrsetbits_le32(&denali_pi[145], 0xFF << 0, reg_value << 0); + clrsetbits_le32(&denali_pi[152], 0xFF << 16, reg_value << 16); + break; + case 2: + default: + clrsetbits_le32(&denali_ctl[143], 0xFFFF << 16, + reg_value << 16); + clrsetbits_le32(&denali_ctl[157], 0xFFFF << 16, + reg_value << 16); + + clrsetbits_le32(&denali_pi[127], 0xFF << 16, reg_value << 16); + clrsetbits_le32(&denali_pi[135], 0xFF << 0, reg_value << 0); + clrsetbits_le32(&denali_pi[142], 0xFF << 16, reg_value << 16); + clrsetbits_le32(&denali_pi[150], 0xFF << 0, reg_value << 0); + break; + } +} + static void lpddr4_copy_phy(struct dram_info *dram, struct rk3399_sdram_params *params, u32 phy, struct rk3399_sdram_params *timings, @@ -2239,6 +2288,7 @@ static void lpddr4_copy_phy(struct dram_info *dram, set_lpddr4_ca_odt(&dram->chan[channel], timings, ctl, true, true, mr5); set_lpddr4_MR3(&dram->chan[channel], timings, ctl, true, mr5); set_lpddr4_MR12(&dram->chan[channel], timings, ctl, true, mr5); + set_lpddr4_MR14(&dram->chan[channel], timings, ctl, true, mr5); /* * if phy_sw_master_mode_x not bypass mode,