Message ID | 20190611145135.21399-9-jagan@amarulasolutions.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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bh=sngFIrXhys8b3WKcTJYD5YX0xO4WB0Npd+TKfw+qcNA=; b=G4ckWDvyrtD2/N/cNiTYHyUCKKfeVj/w7Gu4nsu9KtiCEXxSSE8MLUtRYJS4lRdFSO nnjLCi6XJ1R3mAkao1qe1YPbe2ZRD/po745bpyi+DD3ovA8ocEpomc+bMZGjdLiCSRGi 4Qv11eat6fY3qtxOmJcVuhPwTDgJBvw+WxcXDhHi9n/jeqH1WyaOBXFytDZpXy1fapDE fHARBNQsC/J4yGm5BREwtLB4nq3IcSNiDF2A41IT07SNSRF6WYCd8UOogRJVJoIvD8ix hT5mrdxIZhsotlfeBsgKUs53uaeB8/zLkwUQGDN/9qL7Fyijs21uPljQrinJrklhQ1Gt utOQ== X-Gm-Message-State: APjAAAVmXPSwiaa84mFNeM7u2acNlU9Ik5vqHk9xxJk42bFfcxN81ZKV UJM7oJoX3XGrrEMZIWLIsBLJXBuxVQI= X-Google-Smtp-Source: APXvYqypxtuwH6vVE2OZP7pmuxjFbxv5uLjbuCwJgYjFANzI9ffrQB5h+tBWb7DLSquks4Y295XdYA== X-Received: by 2002:a17:90a:9a8d:: with SMTP id e13mr27627279pjp.77.1560264743166; Tue, 11 Jun 2019 07:52:23 -0700 (PDT) Received: from localhost.localdomain ([115.97.180.18]) by smtp.gmail.com with ESMTPSA id e9sm16206208pfn.154.2019.06.11.07.52.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Jun 2019 07:52:22 -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 Subject: [PATCH 08/92] ram: rk3399: Use rank mask in ca data training Date: Tue, 11 Jun 2019 20:20:11 +0530 Message-Id: <20190611145135.21399-9-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190611145135.21399-1-jagan@amarulasolutions.com> References: <20190611145135.21399-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190611_075223_887609_8A247607 X-CRM114-Status: UNSURE ( 9.72 ) 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 <linux-rockchip.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-rockchip/> List-Post: <mailto:linux-rockchip@lists.infradead.org> List-Help: <mailto:linux-rockchip-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=subscribe> Cc: linux-rockchip@lists.infradead.org, linux-amarula@amarulasolutions.com, Jagan Teki <jagan@amarulasolutions.com>, gajjar04akash@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" <linux-rockchip-bounces@lists.infradead.org> Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
ram: rk3399: Add LPDDR4 support
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diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 74392076f0..312d19f95f 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -617,11 +617,17 @@ static int data_training_ca(const struct chan_info *chan, u32 channel, u32 i, tmp; u32 obs_0, obs_1, obs_2, obs_err = 0; u32 rank = sdram_params->ch[channel].rank; + u32 rank_mask; /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ writel(0x00003f7c, (&denali_pi[175])); - for (i = 0; i < rank; i++) { + rank_mask = (rank == 1) ? 0x1 : 0x3; + + for (i = 0; i < 4; i++) { + if (!(rank_mask & (1 << i))) + continue; + select_per_cs_training_index(chan, i); /* PI_100 PI_CALVL_EN:RW:8:2 */