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[79.139.233.37]) by smtp.gmail.com with ESMTPSA id j23sm9166942lji.41.2019.11.18.12.05.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 12:05:53 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Mikko Perttunen , Georgi Djakov , Rob Herring Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v1 23/29] memory: tegra124-emc: Register as interconnect provider Date: Mon, 18 Nov 2019 23:02:41 +0300 Message-Id: <20191118200247.3567-24-digetx@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191118200247.3567-1-digetx@gmail.com> References: <20191118200247.3567-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org EMC now provides MC with memory bandwidth using interconnect API. Signed-off-by: Dmitry Osipenko --- drivers/memory/tegra/tegra124-emc.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index 2c73260654ba..c9478dcbeece 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -25,6 +25,7 @@ #define EMC_FBIO_CFG5 0x104 #define EMC_FBIO_CFG5_DRAM_TYPE_MASK 0x3 #define EMC_FBIO_CFG5_DRAM_TYPE_SHIFT 0 +#define EMC_FBIO_CFG5_DRAM_WIDTH_X64 BIT(4) #define EMC_INTSTATUS 0x0 #define EMC_INTSTATUS_CLKCHANGE_COMPLETE BIT(4) @@ -1080,11 +1081,28 @@ static void emc_debugfs_init(struct device *dev, struct tegra_emc *emc) dev_err(dev, "failed to create debugfs entry\n"); } +static unsigned int emc_dram_data_bus_width_bytes(struct tegra_emc *emc) +{ + unsigned int bus_width; + u32 emc_cfg; + + emc_cfg = readl_relaxed(emc->regs + EMC_FBIO_CFG5); + if (emc_cfg & EMC_FBIO_CFG5_DRAM_WIDTH_X64) + bus_width = 64; + else + bus_width = 32; + + dev_info(emc->dev, "DRAM data-bus width: %ubit\n", bus_width); + + return bus_width / 8; +} + static int tegra_emc_probe(struct platform_device *pdev) { struct platform_device *mc; struct device_node *np; struct tegra_emc *emc; + unsigned int bus_width; u32 ram_code; int err; @@ -1146,6 +1164,12 @@ static int tegra_emc_probe(struct platform_device *pdev) if (IS_ENABLED(CONFIG_DEBUG_FS)) emc_debugfs_init(&pdev->dev, emc); + bus_width = emc_dram_data_bus_width_bytes(emc); + + err = tegra_icc_emc_setup_interconnect(&pdev->dev, bus_width); + if (err) + dev_err(&pdev->dev, "failed to initialize ICC: %d\n", err); + return 0; }; -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7868C432C0 for ; Tue, 19 Nov 2019 08:06:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A451E222EF for ; Tue, 19 Nov 2019 08:06:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A451E222EF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 169F06EBEF; Tue, 19 Nov 2019 08:04:39 +0000 (UTC) Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2C09F6E823 for ; Mon, 18 Nov 2019 20:05:55 +0000 (UTC) Received: by mail-lj1-x242.google.com with SMTP id m4so15494846ljj.8 for ; Mon, 18 Nov 2019 12:05:55 -0800 (PST) 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=J2fZoY0R7IbQjoE/jwqG69vNLdHsoiOa5JN/luWf3e0=; b=kt9B7srFauBtjfk2HLVuyiNGmC7l2UDbT5XhA+O8zPOF3ACCqtM5BHlDulHkq8FvVU W9ye9+9vcBJgl8JWd/r4mXiUI99zuXxxWzzBh9MjUrEQkO8kMJYkA1GTvwCsEUcqVy+Q kgnDou8ik7eHn3Fbg3P17RyIC6YIfYn4d3ujR7qqmbEjnAhqHmIXS9h5kQPEpNgI4RNy bigYBtFIBQdWw4K9TyCgdt/GDXxkKUFYAT9g1HSlree/ZGOO6KcPUyCB2MERytRD1wq2 5QcQrmJZwTEGhowLrFthPz9t2TXK7zjjz/4xVzOEN+ko1NQoL0NmV/ffFGm6XGAXOXxY kP7Q== X-Gm-Message-State: APjAAAWp6DzWTbP2tFzdLIf6eFigmKUcIJ09JnFDzadAmcRuI7JmspRL J/egZJpC/HKjj0z7H5QLxnc= X-Google-Smtp-Source: APXvYqz8ghWzEWo16209Cas+BFJnfWldFab38K4eefHAlKvmnAkeVTZ//bkXMQihDlZJIBr4ukwNjg== X-Received: by 2002:a2e:9b06:: with SMTP id u6mr963460lji.34.1574107553665; Mon, 18 Nov 2019 12:05:53 -0800 (PST) Received: from localhost.localdomain (79-139-233-37.dynamic.spd-mgts.ru. [79.139.233.37]) by smtp.gmail.com with ESMTPSA id j23sm9166942lji.41.2019.11.18.12.05.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 12:05:53 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Mikko Perttunen , Georgi Djakov , Rob Herring Subject: [PATCH v1 23/29] memory: tegra124-emc: Register as interconnect provider Date: Mon, 18 Nov 2019 23:02:41 +0300 Message-Id: <20191118200247.3567-24-digetx@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191118200247.3567-1-digetx@gmail.com> References: <20191118200247.3567-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 19 Nov 2019 08:04:07 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=J2fZoY0R7IbQjoE/jwqG69vNLdHsoiOa5JN/luWf3e0=; b=TTGoXoCUGYgNLTlP5iXVrRXJPwkha1zSQ5AjyRhu1bMfayjzqzarGQeoe7vELP8Nxj 3vI5/0aOZXaZCRmJyKUU6mmLqM86R4X7aOL5sT1vVAbpgAfvV6uUS10yDdqq0+a0/RG2 qb5m+2UGJGO6yVqYwWnjw7ZY98IKLQe7jnYgq6XFnTo03LBK/xV1xxyzbh+Nz4Ph2Tcp tDe/CWeFPSp0CCAGOLrMX6EoX0VegVJzBS2ZaOWKq0Jhpbqv6NExUuLztuGgi8c/+YxI oq0GT1+fhZC5YJ1ky6L1cBdsQRMy7lu3KZh5OE44z8QokmQbIvRQOftu6NWOReH3/V7r YWnQ== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191118200241.cdB3KhFC0a6Zg-kKvcEbBOTbf0i-kNpfuh5Rt0QeB9A@z> RU1DIG5vdyBwcm92aWRlcyBNQyB3aXRoIG1lbW9yeSBiYW5kd2lkdGggdXNpbmcgaW50ZXJjb25u ZWN0IEFQSS4KClNpZ25lZC1vZmYtYnk6IERtaXRyeSBPc2lwZW5rbyA8ZGlnZXR4QGdtYWlsLmNv bT4KLS0tCiBkcml2ZXJzL21lbW9yeS90ZWdyYS90ZWdyYTEyNC1lbWMuYyB8IDI0ICsrKysrKysr KysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQsIDI0IGluc2VydGlvbnMoKykKCmRpZmYg LS1naXQgYS9kcml2ZXJzL21lbW9yeS90ZWdyYS90ZWdyYTEyNC1lbWMuYyBiL2RyaXZlcnMvbWVt b3J5L3RlZ3JhL3RlZ3JhMTI0LWVtYy5jCmluZGV4IDJjNzMyNjA2NTRiYS4uYzk0NzhkY2JlZWNl IDEwMDY0NAotLS0gYS9kcml2ZXJzL21lbW9yeS90ZWdyYS90ZWdyYTEyNC1lbWMuYworKysgYi9k cml2ZXJzL21lbW9yeS90ZWdyYS90ZWdyYTEyNC1lbWMuYwpAQCAtMjUsNiArMjUsNyBAQAogI2Rl ZmluZSBFTUNfRkJJT19DRkc1CQkJCTB4MTA0CiAjZGVmaW5lCUVNQ19GQklPX0NGRzVfRFJBTV9U WVBFX01BU0sJCTB4MwogI2RlZmluZQlFTUNfRkJJT19DRkc1X0RSQU1fVFlQRV9TSElGVAkJMAor I2RlZmluZSBFTUNfRkJJT19DRkc1X0RSQU1fV0lEVEhfWDY0CQlCSVQoNCkKIAogI2RlZmluZSBF TUNfSU5UU1RBVFVTCQkJCTB4MAogI2RlZmluZSBFTUNfSU5UU1RBVFVTX0NMS0NIQU5HRV9DT01Q TEVURQlCSVQoNCkKQEAgLTEwODAsMTEgKzEwODEsMjggQEAgc3RhdGljIHZvaWQgZW1jX2RlYnVn ZnNfaW5pdChzdHJ1Y3QgZGV2aWNlICpkZXYsIHN0cnVjdCB0ZWdyYV9lbWMgKmVtYykKIAkJZGV2 X2VycihkZXYsICJmYWlsZWQgdG8gY3JlYXRlIGRlYnVnZnMgZW50cnlcbiIpOwogfQogCitzdGF0 aWMgdW5zaWduZWQgaW50IGVtY19kcmFtX2RhdGFfYnVzX3dpZHRoX2J5dGVzKHN0cnVjdCB0ZWdy YV9lbWMgKmVtYykKK3sKKwl1bnNpZ25lZCBpbnQgYnVzX3dpZHRoOworCXUzMiBlbWNfY2ZnOwor CisJZW1jX2NmZyA9IHJlYWRsX3JlbGF4ZWQoZW1jLT5yZWdzICsgRU1DX0ZCSU9fQ0ZHNSk7CisJ aWYgKGVtY19jZmcgJiBFTUNfRkJJT19DRkc1X0RSQU1fV0lEVEhfWDY0KQorCQlidXNfd2lkdGgg PSA2NDsKKwllbHNlCisJCWJ1c193aWR0aCA9IDMyOworCisJZGV2X2luZm8oZW1jLT5kZXYsICJE UkFNIGRhdGEtYnVzIHdpZHRoOiAldWJpdFxuIiwgYnVzX3dpZHRoKTsKKworCXJldHVybiBidXNf d2lkdGggLyA4OworfQorCiBzdGF0aWMgaW50IHRlZ3JhX2VtY19wcm9iZShzdHJ1Y3QgcGxhdGZv cm1fZGV2aWNlICpwZGV2KQogewogCXN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKm1jOwogCXN0cnVj dCBkZXZpY2Vfbm9kZSAqbnA7CiAJc3RydWN0IHRlZ3JhX2VtYyAqZW1jOworCXVuc2lnbmVkIGlu dCBidXNfd2lkdGg7CiAJdTMyIHJhbV9jb2RlOwogCWludCBlcnI7CiAKQEAgLTExNDYsNiArMTE2 NCwxMiBAQCBzdGF0aWMgaW50IHRlZ3JhX2VtY19wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNl ICpwZGV2KQogCWlmIChJU19FTkFCTEVEKENPTkZJR19ERUJVR19GUykpCiAJCWVtY19kZWJ1Z2Zz X2luaXQoJnBkZXYtPmRldiwgZW1jKTsKIAorCWJ1c193aWR0aCA9IGVtY19kcmFtX2RhdGFfYnVz X3dpZHRoX2J5dGVzKGVtYyk7CisKKwllcnIgPSB0ZWdyYV9pY2NfZW1jX3NldHVwX2ludGVyY29u bmVjdCgmcGRldi0+ZGV2LCBidXNfd2lkdGgpOworCWlmIChlcnIpCisJCWRldl9lcnIoJnBkZXYt PmRldiwgImZhaWxlZCB0byBpbml0aWFsaXplIElDQzogJWRcbiIsIGVycik7CisKIAlyZXR1cm4g MDsKIH07CiAKLS0gCjIuMjMuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v ZHJpLWRldmVs