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=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 38F71C34026 for ; Tue, 18 Feb 2020 14:30:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0B10B208C4 for ; Tue, 18 Feb 2020 14:30:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NiipvPsL"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=carlosedp-com.20150623.gappssmtp.com header.i=@carlosedp-com.20150623.gappssmtp.com header.b="uYO8dX5H" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B10B208C4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=carlosedp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:To: Subject:Message-ID:Date:From:In-Reply-To:References:MIME-Version:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=T8qsQsLgXVUyyjhNR7vwb/CrN1mkz/DvLTktVNEStZM=; b=NiipvPsLDoYdIQfdgkdJAloa9 3J9hCuN61+VHeL7OLjHTd6Fe326jTmeMVtP/3CTOk3h+BrZ9zIkkUGg0NvkJ9UytbiaXTBKi/nmPg YgXLMxTQJH2XEGM7cpvSs2OOzLkywhub1okNox9QELpuXJH5suC/xxvjUenSVdVJEPGB6+QV3PUsT IYx9WDCsWiFIBLlGmb6sEJxS78FIf2Ec91XM7G357BEkKAeBdXUhHpMjRerG5Xx5MT5Q0sJ1is+lt c4X9XxB2HeiKppfEtl8rOoznofqLdpXju4sAnhiy8Y9TDCXV9Z6MbYh5P2slPfBActD57lST+S9Z3 CrLLmOmIA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j43tl-0006hL-2b; Tue, 18 Feb 2020 14:30:53 +0000 Received: from mail-ot1-x341.google.com ([2607:f8b0:4864:20::341]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j43tg-0006gv-Rt for linux-riscv@lists.infradead.org; Tue, 18 Feb 2020 14:30:51 +0000 Received: by mail-ot1-x341.google.com with SMTP id 59so19669359otp.12 for ; Tue, 18 Feb 2020 06:30:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=carlosedp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=T8qsQsLgXVUyyjhNR7vwb/CrN1mkz/DvLTktVNEStZM=; b=uYO8dX5HRC4mpmH2SdDwNbz/pTXcCZERVAfDgOojtTRHjOL8Y0bM4AYsr9TuKNuFQ2 Tw6ThnoqWmQASbqP2nOcGFX6LNSMnJhmzrphBy3gR+q8fzXj8w5alhranYIOsTSEQTfl jL0X9sDP0y0nJNVO03ZhysXgIIbegfSWCDOqLYAlF7XJzsd1Y9LpKut/JNM2bG4vOpfo alhq//uG2xw8WWHnby6mgg1d/jDc5h4f+W+en+g470Yt1Rfv+FEOwq+qhN0O8MDnmbQq NkXOkj0OQkpw++UjBuQvwn9C9f6OgU8RYhg2ZMNLtIBrSldJ/qSJw9ojqCCrqQy7H59d Vp7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=T8qsQsLgXVUyyjhNR7vwb/CrN1mkz/DvLTktVNEStZM=; b=jE0qyZwWv18duw6gsQfS1PgGoonPTfaJmkvLmkU40gEbHV3ttNhgRGKzV6pJQQQ61U g+UGz3gbMacgdWhT1j7G/8LgQjPBQNj5iPuitBBxZUQPnPoHNMsbWybZXSpk6cbP1o8T RtJ1BC7YZcO0TOzLx/Xvp1FRGfQjWpujfbAbhCmC9QkiNxFfMBom2tgcL36PBWi39tDl uvHFRGO2Ng+1r0yhkNYgTlxh/3ZzeO2SOn8K4pXAi582scHDfGYV1/z7z8Z3sQqbzjyt wIxTobJd5jLc5AmKlFUyJHz0u1PMBO03kXh5S85G5+8ePPLwzabvqI4AQKDh7vKidN18 jYJw== X-Gm-Message-State: APjAAAX82EuflFh6dd00P847XavKMqWOqbyBeCRmBBbzijVjUx6/ItuE XjlrqpTg1hrB91CxUwt/2s9HSglXdPxXYQ== X-Google-Smtp-Source: APXvYqw+/YFg8/QsDyhwhhazqWQVQHgN6spi0NEoxj6XUY+ZDW7rdTINTyvG11u0goVWvPL4vVWUnw== X-Received: by 2002:a9d:7305:: with SMTP id e5mr15216451otk.64.1582036245982; Tue, 18 Feb 2020 06:30:45 -0800 (PST) Received: from mail-oi1-f177.google.com (mail-oi1-f177.google.com. [209.85.167.177]) by smtp.gmail.com with ESMTPSA id i2sm1390104oth.39.2020.02.18.06.30.45 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Feb 2020 06:30:45 -0800 (PST) Received: by mail-oi1-f177.google.com with SMTP id q84so20280062oic.4 for ; Tue, 18 Feb 2020 06:30:45 -0800 (PST) X-Received: by 2002:a54:4e8d:: with SMTP id c13mr1377198oiy.27.1582036244931; Tue, 18 Feb 2020 06:30:44 -0800 (PST) MIME-Version: 1.0 References: <20200212103432.660256-1-damien.lemoal@wdc.com> <20200212103432.660256-9-damien.lemoal@wdc.com> <48e10b3d-12f3-a65c-8017-99c780c63040@gmail.com> <19e78a77-4b7f-a057-eb6e-7384f3fc67c1@gmail.com> In-Reply-To: <19e78a77-4b7f-a057-eb6e-7384f3fc67c1@gmail.com> From: Carlos Eduardo de Paula Date: Tue, 18 Feb 2020 11:30:33 -0300 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 08/10] riscv: Add Kendryte K210 device tree To: Sean Anderson Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200218_063048_904768_B3BED574 X-CRM114-Status: GOOD ( 10.19 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Le Moal , Anup Patel , Palmer Dabbelt , "linux-riscv@lists.infradead.org" , Paul Walmsley Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Archived-At: List-Archive: On Tue, Feb 18, 2020 at 11:18 AM Sean Anderson wrote: > > On 2/18/20 9:12 AM, Carlos Eduardo de Paula wrote: > > Maybe it's a known thing but I found an MMU implementation here: > > https://gist.github.com/44670/0d8c152df7c5b59d17d469aba4dda0e5 > > Yeah, that's part of the evidence which convinced me to research the vm > capabilities of the k210 after I saw Christoph's series was NOMMU. > > > Comes from as fork of the sdk here https://github.com/44670/libk9 > > implementing also the LCD and other peripheral support. > > > > Might help out adding support to it. > > Hmm, maybe. I've been wrangling a bit trying to get the SD card slot to > work. > > --Sean Yes, I started looking at the SD card but had no clue on what needs to be done regarding GPIO - FPIO - SPI pre-reqs for it. Wladimir (don't know his email) started playing with UART1 interface to the 8285 module to allow WiFi communication. We thought about having a TUN/TAP interface over it to bring the TCP/IP stack up. https://twitter.com/orionwl/status/1229442145628585990 Carlos -- ________________________________________ Carlos Eduardo de Paula me@carlosedp.com http://carlosedp.com http://twitter.com/carlosedp Linkedin ________________________________________