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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id s12sm5875759wra.82.2019.10.18.07.13.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Oct 2019 07:13:58 -0700 (PDT) Subject: Re: [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y To: Anand Moon , Jerome Brunet Cc: Martin Blumenstingl , Kevin Hilman , devicetree , linux-arm-kernel , linux-amlogic@lists.infradead.org, Linux Kernel References: <20191007131649.1768-1-linux.amoon@gmail.com> <20191007131649.1768-6-linux.amoon@gmail.com> <7hsgo4cgeg.fsf@baylibre.com> <1jwode9lba.fsf@starbuckisacylon.baylibre.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: <1496ed3e-e91b-3f09-d359-f36a8944e6b0@baylibre.com> Date: Fri, 18 Oct 2019 16:13:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/10/2019 16:04, Anand Moon wrote: > Hi Jerome / Neil / Martin, > > On Wed, 9 Oct 2019 at 17:34, Jerome Brunet wrote: >> >> >> On Wed 09 Oct 2019 at 10:48, Anand Moon wrote: >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> >>> [0] https://pastebin.com/eBgJrSKe >>> >>>> you can also try the command line parameter "clk_ignore_unused" (it's >>>> just a gut feeling: maybe a "critical" clock is being disabled because >>>> it's not wired up correctly). >>>> >>> >>> It look like some clk issue after I added the *clk_ignore_unused* to >>> kernel command line >>> it booted further to login prompt and cpufreq DVFS seem to be loaded. >>> So I could conclude this is clk issue.below is the boot log >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> clk_ignore_unused >>> >>> [1] https://pastebin.com/Nsk0wZQJ >>> >> >> Next step it to try narrow down the clock causing the issue. >> Remove clk_ignore_unused from the command line and add CLK_INGORE_UNUSED >> to the flag of some clocks your clock controller (g12a I think) until >> >> The peripheral clock gates already have this flag (something we should >> fix someday) so don't bother looking there. >> >> Most likely the source of the pwm is getting disabled between the >> late_init call and the probe of the PWM module. Since the pwm is already >> active (w/o a driver), gating the clock source shuts dowm the power to >> the cores. >> >> Looking a the possible inputs in pwm driver, I'd bet on fdiv4. >> > > I had give this above steps a try but with little success. > I am still looking into this much close. > > Well I am not the expert in clk or bus configuration. > but after looking into the datasheet of for clk configuration > I found some bus are not configured correctly. > > As per Amlogic's kernel S922X (Hardkernel) > below link share the bus controller. > > [0] https://github.com/hardkernel/linux/blob/odroidn2-4.9.y/arch/arm64/boot/dts/amlogic/mesong12b.dtsi#L295-L315 > > looking in to current dts changes it looks bit wrong to me. > > *As per 6.1 Memory Map* > apb_efuse: bus@30000 --> apb_efuse: bus@ff630000 > periphs: bus@34400 --> periphs: bus@ff634400 > dmc: bus@38000 --> dmc: bus@ff638000 > hiu: bus@3c000 --> hiu: bus@ff63c0000 If these was wrong, the drivers simply won't work, at all > > Also the order of these is not correct. The order is correct, actually > > Down the line in the datasheet some of the interrupt GIC bit are not > mapped correctly for example. > > *As per 6.9.2 Interrupt Control Source* > 223 SD_EMMC_C > 222 SD_EMMC_B > 221 SD_EMMC_A There is an offset between the doc and the actual GIC_SPI line, they start the datasheet numbers from the GIC_PPI numbers (+32). Neil > > and so on. > Please share your thought if these changes are valid. > > Best Regards > -Anand > 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=-7.3 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,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 889A2CA9EA0 for ; Fri, 18 Oct 2019 14:14:09 +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 5A20921925 for ; Fri, 18 Oct 2019 14:14:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="oJWPgWFu"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="SryQMGjL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A20921925 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZEu4hxb5P/sTyvwLbiXxPiBtdGAWs6cR7ANpk45e8dk=; b=oJWPgWFu/i13Ax BAwcGe3UvWDhk87pOVA9+l6vXPmJiabW19HUd/qEHv+j6Xdc0lH+BsmNIr3nnlB+RqUw1Ppa8suvE 7+vbyQAxK0aT5qSngc9jgBHkhgAX2glT6234yCUWbOChBo9B5AQzUv2ISys8uiiCC42185xt02kmY fMN50SyTHy3lJ+VVnHDiw6UeXc5/WPSdsM7RdVz0Tp2KtxMo4+iHNR/EnfnO289zswo+/4E8KWMKk jVZK7oDCCgyjDOfNByTsCL33TLH1P032cnEWC9Px4P4L1c2lXXjXqLpFyI87qRhwXiMWMOlai6XZz WN9BVK5/vMLwqLDTywRQ==; 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 1iLT16-0004ys-I3; Fri, 18 Oct 2019 14:14:08 +0000 Received: from mail-wm1-x342.google.com ([2a00:1450:4864:20::342]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLT12-0004ve-SZ for linux-arm-kernel@lists.infradead.org; Fri, 18 Oct 2019 14:14:06 +0000 Received: by mail-wm1-x342.google.com with SMTP id a6so6341877wma.5 for ; Fri, 18 Oct 2019 07:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:openpgp:autocrypt:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=kLq1ak6OonA78S2SD4l4p1BgGk0JwkdQU0AQcZw6UPM=; b=SryQMGjL0FX2/83EI8AxHBt0yGA913HUpvi7jzcyAqqLkSvgQXTs+oUZqsRY2IlqJU SauwN/gISE10MRw3arZNn/09ipVGpzJO2gmbnhtu1/5kuOrnMc6O4Wpt+9vUDjD+FgHc aW3jEJscu8dD2bBkrnCF9XQ+ebK1x/cSMZ/oJrElp1IAjqqDYm4ilF9RWYihm+zfZU0G jd5UFXeE8xqLjx6zMFpVYzLvfP4/CckD2jq6f7rMt4MqJbWlKKALvqasmcTqmblnbWQM Q9OIrt2Mp5szNoJlAL1uBTnf5g3MjSUm95lMOLo2tLrHfoyzzzEVyZW/Ib7OtHLJ9VD3 Deqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=kLq1ak6OonA78S2SD4l4p1BgGk0JwkdQU0AQcZw6UPM=; b=VlPbEGqrmSRzkMb808Xbsb6BXptBAnyAW6tSpuNHN+dPEMY/hTUFkjr4bA5c6VMX34 Vv1j3u/hkuCdrGw9Ezhr3+TkpeAcxr+1gUgIH9wd2nVeaMqiMPTbmLs+HAWwNIs/vOCC xrjfmdkn0N/RWPVXqXs8baTMK4jUiH87bCxS8sDaQm3FaXzQyz6BpL8LUpbK3aADbG0n 9sztwwt114uNdVhGiqCQdyvc5PZjZKBL9MW4jL+G80oO7hvPeLgquNO0LpYOIrU3B+Pc aUr9okLX7E02bgcjmGiTyl3XOasbC874pbqgOJU1WxFtcAMGpMf2t/JaBexi0RKyzZwl bAQA== X-Gm-Message-State: APjAAAVFF1d2T8gM+0wsCQbJ0QnMNbTPFCn9u1xIdHiFg4p4nQQX++2A Pk3vy8+XnqDb5A9RLj6jzrUnAQ== X-Google-Smtp-Source: APXvYqxUiMjfoio7hl0uPpDr4Z5DKlvx1uehfEIOAhL4NS8agTTdqAVLgjDrpjlCTKrXN5qwGkT20A== X-Received: by 2002:a1c:6089:: with SMTP id u131mr7954671wmb.60.1571408039321; Fri, 18 Oct 2019 07:13:59 -0700 (PDT) Received: from [10.1.2.12] (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id s12sm5875759wra.82.2019.10.18.07.13.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Oct 2019 07:13:58 -0700 (PDT) Subject: Re: [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y To: Anand Moon , Jerome Brunet References: <20191007131649.1768-1-linux.amoon@gmail.com> <20191007131649.1768-6-linux.amoon@gmail.com> <7hsgo4cgeg.fsf@baylibre.com> <1jwode9lba.fsf@starbuckisacylon.baylibre.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: <1496ed3e-e91b-3f09-d359-f36a8944e6b0@baylibre.com> Date: Fri, 18 Oct 2019 16:13:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_071404_948477_A70CED2F X-CRM114-Status: GOOD ( 24.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , Martin Blumenstingl , Kevin Hilman , Linux Kernel , linux-amlogic@lists.infradead.org, linux-arm-kernel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 18/10/2019 16:04, Anand Moon wrote: > Hi Jerome / Neil / Martin, > > On Wed, 9 Oct 2019 at 17:34, Jerome Brunet wrote: >> >> >> On Wed 09 Oct 2019 at 10:48, Anand Moon wrote: >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> >>> [0] https://pastebin.com/eBgJrSKe >>> >>>> you can also try the command line parameter "clk_ignore_unused" (it's >>>> just a gut feeling: maybe a "critical" clock is being disabled because >>>> it's not wired up correctly). >>>> >>> >>> It look like some clk issue after I added the *clk_ignore_unused* to >>> kernel command line >>> it booted further to login prompt and cpufreq DVFS seem to be loaded. >>> So I could conclude this is clk issue.below is the boot log >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> clk_ignore_unused >>> >>> [1] https://pastebin.com/Nsk0wZQJ >>> >> >> Next step it to try narrow down the clock causing the issue. >> Remove clk_ignore_unused from the command line and add CLK_INGORE_UNUSED >> to the flag of some clocks your clock controller (g12a I think) until >> >> The peripheral clock gates already have this flag (something we should >> fix someday) so don't bother looking there. >> >> Most likely the source of the pwm is getting disabled between the >> late_init call and the probe of the PWM module. Since the pwm is already >> active (w/o a driver), gating the clock source shuts dowm the power to >> the cores. >> >> Looking a the possible inputs in pwm driver, I'd bet on fdiv4. >> > > I had give this above steps a try but with little success. > I am still looking into this much close. > > Well I am not the expert in clk or bus configuration. > but after looking into the datasheet of for clk configuration > I found some bus are not configured correctly. > > As per Amlogic's kernel S922X (Hardkernel) > below link share the bus controller. > > [0] https://github.com/hardkernel/linux/blob/odroidn2-4.9.y/arch/arm64/boot/dts/amlogic/mesong12b.dtsi#L295-L315 > > looking in to current dts changes it looks bit wrong to me. > > *As per 6.1 Memory Map* > apb_efuse: bus@30000 --> apb_efuse: bus@ff630000 > periphs: bus@34400 --> periphs: bus@ff634400 > dmc: bus@38000 --> dmc: bus@ff638000 > hiu: bus@3c000 --> hiu: bus@ff63c0000 If these was wrong, the drivers simply won't work, at all > > Also the order of these is not correct. The order is correct, actually > > Down the line in the datasheet some of the interrupt GIC bit are not > mapped correctly for example. > > *As per 6.9.2 Interrupt Control Source* > 223 SD_EMMC_C > 222 SD_EMMC_B > 221 SD_EMMC_A There is an offset between the doc and the actual GIC_SPI line, they start the datasheet numbers from the GIC_PPI numbers (+32). Neil > > and so on. > Please share your thought if these changes are valid. > > Best Regards > -Anand > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-7.3 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,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 65CA1CA9EA8 for ; Fri, 18 Oct 2019 14:14:10 +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 3C4A021925 for ; Fri, 18 Oct 2019 14:14:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V1jF7fsa"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="SryQMGjL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C4A021925 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=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: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LebqSS/RoY6qPGp5oJwBLh2W0lV+uvg7cYUSOqVNyVY=; b=V1jF7fsaL0DN1r LtLAsbZnUDEtRpAZqKKKASYNRbKa6JZX8JW3xAWEW2l8yic4LGdR6YsyZvtjzVEriooNAeSIopv59 DCj/nICROnAE1hFVxLnqlQTB6GZHyUvyF69ALNLKwyjp0OvaoCHzNWSLazONwXX+k9ChMVF/sOlWO IcefDlGZEJbYwe0HrykEllOUo5m8nhnjxJhHMB6s7VaxI9bh4boCEJsE2LRmYJJuXWU20kd3mKSps 6819iaQQEydd1GZsdPdFi/013OB+NDLoaIsFQBWNKhs1qTGcNSB1XuDIQkLe1sFnC1UIsMc9W/n12 Re+BNs6S2rQIs9s3FGIA==; 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 1iLT12-0004wC-8p; Fri, 18 Oct 2019 14:14:04 +0000 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLT0z-0004vf-1x for linux-amlogic@lists.infradead.org; Fri, 18 Oct 2019 14:14:03 +0000 Received: by mail-wm1-x344.google.com with SMTP id r19so6370127wmh.2 for ; Fri, 18 Oct 2019 07:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:openpgp:autocrypt:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=kLq1ak6OonA78S2SD4l4p1BgGk0JwkdQU0AQcZw6UPM=; b=SryQMGjL0FX2/83EI8AxHBt0yGA913HUpvi7jzcyAqqLkSvgQXTs+oUZqsRY2IlqJU SauwN/gISE10MRw3arZNn/09ipVGpzJO2gmbnhtu1/5kuOrnMc6O4Wpt+9vUDjD+FgHc aW3jEJscu8dD2bBkrnCF9XQ+ebK1x/cSMZ/oJrElp1IAjqqDYm4ilF9RWYihm+zfZU0G jd5UFXeE8xqLjx6zMFpVYzLvfP4/CckD2jq6f7rMt4MqJbWlKKALvqasmcTqmblnbWQM Q9OIrt2Mp5szNoJlAL1uBTnf5g3MjSUm95lMOLo2tLrHfoyzzzEVyZW/Ib7OtHLJ9VD3 Deqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=kLq1ak6OonA78S2SD4l4p1BgGk0JwkdQU0AQcZw6UPM=; b=Vp+IxoY8Da2ClnsWKQFuGJQfwnwl/c+3aJV77vTMWmsDdRk3E4Y5+eZvrsUiqyFVDY 970LJtyBTrKW1hgVdRbldxPIr9UpGYantKFyxU3XQOtUI1Nuhcu0hA8FmYTll9X9tEmY J0vKxXlH2ybyvthF5Td/Aau0sDHf5qcday6j2q3zK6XanZ6CJ1LErI6VRnJ/A261jg6y q5wYG0s/BMX0q2lFt5BInufYvof5OOjuF1Z7ju0r/unt3C+iOR8nJPN04ZYbKsPzWNLO EWdVoT+r4FvmaDkJikaSAz23AEWCcMfbdtBKOPSqWcut0Wr+b0Pgo3hS+4X6YGGDFGp/ FnhA== X-Gm-Message-State: APjAAAXNii8yjfoAchFjlyGHw3450USIqGI+bFHHCAqS5MV5zJuv8j4a QLjN5p83b02LKeIw41AJtOlVkQ== X-Google-Smtp-Source: APXvYqxUiMjfoio7hl0uPpDr4Z5DKlvx1uehfEIOAhL4NS8agTTdqAVLgjDrpjlCTKrXN5qwGkT20A== X-Received: by 2002:a1c:6089:: with SMTP id u131mr7954671wmb.60.1571408039321; Fri, 18 Oct 2019 07:13:59 -0700 (PDT) Received: from [10.1.2.12] (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id s12sm5875759wra.82.2019.10.18.07.13.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Oct 2019 07:13:58 -0700 (PDT) Subject: Re: [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y To: Anand Moon , Jerome Brunet References: <20191007131649.1768-1-linux.amoon@gmail.com> <20191007131649.1768-6-linux.amoon@gmail.com> <7hsgo4cgeg.fsf@baylibre.com> <1jwode9lba.fsf@starbuckisacylon.baylibre.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: <1496ed3e-e91b-3f09-d359-f36a8944e6b0@baylibre.com> Date: Fri, 18 Oct 2019 16:13:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_071401_102526_63010213 X-CRM114-Status: GOOD ( 22.86 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , Martin Blumenstingl , Kevin Hilman , Linux Kernel , linux-amlogic@lists.infradead.org, linux-arm-kernel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 18/10/2019 16:04, Anand Moon wrote: > Hi Jerome / Neil / Martin, > > On Wed, 9 Oct 2019 at 17:34, Jerome Brunet wrote: >> >> >> On Wed 09 Oct 2019 at 10:48, Anand Moon wrote: >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> >>> [0] https://pastebin.com/eBgJrSKe >>> >>>> you can also try the command line parameter "clk_ignore_unused" (it's >>>> just a gut feeling: maybe a "critical" clock is being disabled because >>>> it's not wired up correctly). >>>> >>> >>> It look like some clk issue after I added the *clk_ignore_unused* to >>> kernel command line >>> it booted further to login prompt and cpufreq DVFS seem to be loaded. >>> So I could conclude this is clk issue.below is the boot log >>> >>> Kernel command line: console=ttyAML0,115200n8 >>> root=PARTUUID=45d7d61e-01 rw rootwait >>> earlyprintk=serial,ttyAML0,115200 initcall_debug printk.time=y >>> clk_ignore_unused >>> >>> [1] https://pastebin.com/Nsk0wZQJ >>> >> >> Next step it to try narrow down the clock causing the issue. >> Remove clk_ignore_unused from the command line and add CLK_INGORE_UNUSED >> to the flag of some clocks your clock controller (g12a I think) until >> >> The peripheral clock gates already have this flag (something we should >> fix someday) so don't bother looking there. >> >> Most likely the source of the pwm is getting disabled between the >> late_init call and the probe of the PWM module. Since the pwm is already >> active (w/o a driver), gating the clock source shuts dowm the power to >> the cores. >> >> Looking a the possible inputs in pwm driver, I'd bet on fdiv4. >> > > I had give this above steps a try but with little success. > I am still looking into this much close. > > Well I am not the expert in clk or bus configuration. > but after looking into the datasheet of for clk configuration > I found some bus are not configured correctly. > > As per Amlogic's kernel S922X (Hardkernel) > below link share the bus controller. > > [0] https://github.com/hardkernel/linux/blob/odroidn2-4.9.y/arch/arm64/boot/dts/amlogic/mesong12b.dtsi#L295-L315 > > looking in to current dts changes it looks bit wrong to me. > > *As per 6.1 Memory Map* > apb_efuse: bus@30000 --> apb_efuse: bus@ff630000 > periphs: bus@34400 --> periphs: bus@ff634400 > dmc: bus@38000 --> dmc: bus@ff638000 > hiu: bus@3c000 --> hiu: bus@ff63c0000 If these was wrong, the drivers simply won't work, at all > > Also the order of these is not correct. The order is correct, actually > > Down the line in the datasheet some of the interrupt GIC bit are not > mapped correctly for example. > > *As per 6.9.2 Interrupt Control Source* > 223 SD_EMMC_C > 222 SD_EMMC_B > 221 SD_EMMC_A There is an offset between the doc and the actual GIC_SPI line, they start the datasheet numbers from the GIC_PPI numbers (+32). Neil > > and so on. > Please share your thought if these changes are valid. > > Best Regards > -Anand > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic