| Message ID | 20190716115745.12585-23-jagan@amarulasolutions.com |
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[209.85.220.65]) by mx.google.com with SMTPS id e8sor24335773plb.48.2019.07.16.04.59.14 for <linux-amarula@amarulasolutions.com> (Google Transport Security); Tue, 16 Jul 2019 04:59:14 -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:a17:90a:380d:: with SMTP id w13mr35066590pjb.138.1563278354606; Tue, 16 Jul 2019 04:59:14 -0700 (PDT) Received: from localhost.localdomain ([49.206.201.107]) by smtp.gmail.com with ESMTPSA id z24sm36269566pfr.51.2019.07.16.04.59.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jul 2019 04:59:14 -0700 (PDT) From: Jagan Teki <jagan@amarulasolutions.com> To: Simon Glass <sjg@chromium.org>, Philipp Tomsich <philipp.tomsich@theobroma-systems.com>, Kever Yang <kever.yang@rock-chips.com>, YouMin Chen <cym@rock-chips.com>, u-boot@lists.denx.de Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, gajjar04akash@gmail.com, linux-rockchip@lists.infradead.org, linux-amarula@amarulasolutions.com, Jagan Teki <jagan@amarulasolutions.com> Subject: [PATCH v3 22/57] ram: rk3399: Add lpddr4 rank mask for wdql training Date: Tue, 16 Jul 2019 17:27:10 +0530 Message-Id: <20190716115745.12585-23-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-Original-Sender: jagan@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=DMoTToEV; 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: <linux-amarula.amarulasolutions.com> X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/post>, <mailto:linux-amarula@amarulasolutions.com> List-Help: <https://support.google.com/a/amarulasolutions.com/bin/topic.py?topic=25838>, <mailto:linux-amarula+help@amarulasolutions.com> List-Archive: <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/> List-Unsubscribe: <mailto:googlegroups-manage+476853432473+unsubscribe@googlegroups.com>, <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/subscribe> |
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On 2019/7/16 下午7:57, Jagan Teki wrote: > Add rank_mask based on the rank number for lpddr4. > > 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 <jagan@amarulasolutions.com> > Signed-off-by: YouMin Chen <cym@rock-chips.com> Reviewed-by: Kever Yang <Kever.yang@rock-chips.com> Thanks, - Kever > --- > drivers/ram/rockchip/sdram_rk3399.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c > index 8ecc3a1b74..711477188e 100644 > --- a/drivers/ram/rockchip/sdram_rk3399.c > +++ b/drivers/ram/rockchip/sdram_rk3399.c > @@ -925,7 +925,10 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, > /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > writel(0x00003f7c, (&denali_pi[175])); > > - rank_mask = (rank == 1) ? 0x1 : 0x3; > + if (params->base.dramtype == LPDDR4) > + rank_mask = (rank == 1) ? 0x5 : 0xf; > + else > + rank_mask = (rank == 1) ? 0x1 : 0x3; > > for (i = 0; i < 4; i++) { > if (!(rank_mask & (1 << i)))
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 8ecc3a1b74..711477188e 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -925,7 +925,10 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ writel(0x00003f7c, (&denali_pi[175])); - rank_mask = (rank == 1) ? 0x1 : 0x3; + if (params->base.dramtype == LPDDR4) + rank_mask = (rank == 1) ? 0x5 : 0xf; + else + rank_mask = (rank == 1) ? 0x1 : 0x3; for (i = 0; i < 4; i++) { if (!(rank_mask & (1 << i)))