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GET /api/patches/806308/?format=api
{ "id": 806308, "url": "http://patchwork.ozlabs.org/api/patches/806308/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1503873560-1496-1-git-send-email-aford173@gmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1503873560-1496-1-git-send-email-aford173@gmail.com>", "list_archive_url": null, "date": "2017-08-27T22:39:20", "name": "[U-Boot,RFC] ARM: davinci: da850: Enable Caches for DA850-EVM", "commit_ref": null, "pull_url": null, "state": "rfc", "archived": false, "hash": "782b27681992b36e3ed5d705bc394f324416b497", "submitter": { "id": 67132, "url": "http://patchwork.ozlabs.org/api/people/67132/?format=api", "name": "Adam Ford", "email": "aford173@gmail.com" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1503873560-1496-1-git-send-email-aford173@gmail.com/mbox/", "series": [ { "id": 50, "url": "http://patchwork.ozlabs.org/api/series/50/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=50", "date": "2017-08-27T22:39:20", "name": "[U-Boot,RFC] ARM: davinci: da850: Enable Caches for DA850-EVM", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/50/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/806308/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/806308/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"PDFmQniL\"; dkim-atps=neutral" ], "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xgVFp68msz9s7F\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 28 Aug 2017 08:39:41 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid 5654EC22398; Sun, 27 Aug 2017 22:39:33 +0000 (UTC)", "from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 52D2CC22372;\n\tSun, 27 Aug 2017 22:39:31 +0000 (UTC)", "by lists.denx.de (Postfix, from userid 105)\n\tid EC393C22375; Sun, 27 Aug 2017 22:39:29 +0000 (UTC)", "from mail-io0-f193.google.com (mail-io0-f193.google.com\n\t[209.85.223.193])\n\tby lists.denx.de (Postfix) with ESMTPS id 5E99AC22372\n\tfor <u-boot@lists.denx.de>; Sun, 27 Aug 2017 22:39:29 +0000 (UTC)", "by mail-io0-f193.google.com with SMTP id s101so2377367ioe.0\n\tfor <u-boot@lists.denx.de>; Sun, 27 Aug 2017 15:39:29 -0700 (PDT)", "from ubuntu16.lan (c-73-65-120-235.hsd1.mn.comcast.net.\n\t[73.65.120.235]) by smtp.gmail.com with ESMTPSA id\n\tt4sm3189891ita.44.2017.08.27.15.39.26\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tSun, 27 Aug 2017 15:39:26 -0700 (PDT)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.0 required=5.0 tests=FREEMAIL_FROM,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,\n\tT_DKIM_INVALID autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id;\n\tbh=a5etfJt2xV3SzEtLOx0VUnq+xeaNPOIbcBpCwKEQxQ0=;\n\tb=PDFmQniLk613aenQNiDosUcEnrfqyNKL7KIh7Kts9K/Lau6F1+m467gp1KhoF/2K0i\n\tSqM0aXwujelzFT3YUag3QIrEPeljBjoCkRcOMb3IjwvfefxCCV3nrj92NsM45xNC+2Tf\n\tF6z0lGgFohNebHMk/Po3V+ngtqvD9PxhfrS44dLR0eWZcPcs8IAJK9bGxNfi+jQkxAl+\n\ts9uTJXPBNd8/NsskO/ZFyFWKUbXay31wfx9JJQ6fxftbQWNhEfN6N0Nxrxfrf1zjD3wp\n\tqqsV0dJUVZf22t3ilHJe5rjBOynJxWPMo1ELEscfHaOMAUumJ3NpMq9zCPVFxopkg0Rm\n\tho6Q==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=a5etfJt2xV3SzEtLOx0VUnq+xeaNPOIbcBpCwKEQxQ0=;\n\tb=ONEUOZFy/5GjITlp5LRYO0fIO96FdrkadiTSVopqMaStTuexNaQfQJLay6TNx32wn3\n\tvewIcao5/Sy69rYoJAK4Y7WGAtIvtlJEiAtJhGL3lC8gHYhGkHQ97jBhz2ZcowNsksD0\n\tVrVDM+jH61O2dQGdRPt41qn0G4uQCMLpxFlnZdmGnX3vOkRwCnT3sNf54t7bq0AwkOMy\n\tmYGLPJ+6+M/NVFIgBZ4dmT4MZ1IbfRA0ix6gRRPs3LussKLhUb+BPPWBZjCoMpVhOp+i\n\tNHubPVLkvx3IyXyHQRCGY9c7DC7pDvK+v5BPqshFJC4QEcVu/1kLh9OYHv5H3695nBG3\n\tEJkA==", "X-Gm-Message-State": "AHYfb5iDhGHBk5HQcWbuXoFqJk7GW1q/oNvarE74QCfZFftk73aoH7ln\n\tPNFFPSfjkibfgyMx", "X-Received": "by 10.107.33.82 with SMTP id h79mr4951058ioh.1.1503873567604;\n\tSun, 27 Aug 2017 15:39:27 -0700 (PDT)", "From": "Adam Ford <aford173@gmail.com>", "To": "u-boot@lists.denx.de", "Date": "Sun, 27 Aug 2017 17:39:20 -0500", "Message-Id": "<1503873560-1496-1-git-send-email-aford173@gmail.com>", "X-Mailer": "git-send-email 2.7.4", "Cc": "nick.thompson@gefanuc.com", "Subject": "[U-Boot] [RFC] ARM: davinci: da850: Enable Caches for DA850-EVM", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "What starting up the DA850-EVM, U-Boot generates a warning:\n WARNING: Caches not enabled\n\nLooking at other arm926 processors, this is an attempt\nto enable the caches and remove the warning.\n\nI am notsure who the proper TI or ARM people are to review this.\n\nSigned-off-by: Adam Ford <aford173@gmail.com>\n---\n board/davinci/da8xxevm/da850evm.c | 26 ++++++++++++++++++++++++++\n 1 file changed, 26 insertions(+)", "diff": "diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c\nindex c2d2e8e..33a923c 100644\n--- a/board/davinci/da8xxevm/da850evm.c\n+++ b/board/davinci/da8xxevm/da850evm.c\n@@ -491,3 +491,29 @@ int board_eth_init(bd_t *bis)\n \treturn 0;\n }\n #endif /* CONFIG_DRIVER_TI_EMAC */\n+\n+#ifndef CONFIG_SYS_ICACHE_OFF\n+/* Invalidate entire I-cache and branch predictor array */\n+void invalidate_icache_all(void)\n+{\n+\tunsigned long i = 0;\n+\n+\tasm (\"mcr p15, 0, %0, c7, c5, 0\" : : \"r\" (i));\n+}\n+#else\n+void invalidate_icache_all(void)\n+{\n+}\n+#endif\n+\n+#ifndef CONFIG_SYS_DCACHE_OFF\n+void enable_caches(void)\n+{\n+\t/* Enable D-cache. I-cache is already enabled in start.S */\n+\tdcache_enable();\n+}\n+#else\n+void enable_caches(void)\n+{\n+}\n+#endif /* CONFIG_SYS_DCACHE_OFF */\n", "prefixes": [ "U-Boot", "RFC" ] }