From nobody Wed May 19 13:12:08 2021 X-Original-To: freebsd-arm@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id BBC2D841426 for ; Wed, 19 May 2021 13:12:21 +0000 (UTC) (envelope-from kamalpr@gmail.com) Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FlYF14nR8z4Vr1; Wed, 19 May 2021 13:12:21 +0000 (UTC) (envelope-from kamalpr@gmail.com) Received: by mail-wm1-x331.google.com with SMTP id z19-20020a7bc7d30000b029017521c1fb75so3438185wmk.0; Wed, 19 May 2021 06:12:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=T8hweBnjN8HJULwuhfWyjcYEBvOINVvdWnIRajHs2s8=; b=V0q3wvt+T0EXBAPcAPMR1/dQDccp7AIioOo5J0MGiGU0S/LLhr6bcfJG9WuxdMhwZ5 BytRiHt+ItINOxc78yMy/l1tioDEHPMaND04Cdm53tmlpPu708xcsBB71kpeA3FVyhc0 uS1llXUHu7rkSde1w0derjckMcVsYAA9LIK7FtMF9pbkS9gWXYUI+e583S0CKxtk6kst 9acCtzSmIiI8g//iWXVZcEWTwLBkLJaFQtseJXoMFEDn+iGk7ywng1ZVuTu801munRQw fy+KJ3KcFcDle0xNQaCAHd3GpdTgLWGbmpraiiUu7DDJ/rB82bxEq1zxcwiZjPyBBnyP tlYg== 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:reply-to :from:date:message-id:subject:to:cc; bh=T8hweBnjN8HJULwuhfWyjcYEBvOINVvdWnIRajHs2s8=; b=cjaTlvdA6E1WPrybCSN+pEx5UynvVmtXyXPH6TZL/Yjg/5c+IR29gU2dta4rV2rmuL mqimVpg7zoRrd0m9HDPXzwWjGJ5nnCbY8idl7b67cshQzTfVueB179dC/ZQuNBxls3Cr rq2FZ8k0juUH5tHUmeDmuxJjo9QxQr5dMyJ+cZ1MM5Yf6yGC7aNiQbvwG3SJts5DeYDm iHhW96bmiVNsN2rPu2n2R0BSg+FLitfX5O2kzK0puVT2PgRCTtjtAYRMcz/H2c6fH96V Kpk+PIfKVV1R49GEcMuw2+06cN5jmBAwuy5LAZegsX9ZEI6BDg1bejeje71DiYtaTNG4 4HmA== X-Gm-Message-State: AOAM531ScpDG4PYk8Z0uBMte9sTTw6x1bicbyAQuGR0U1N0nfUZv9XHn x9m13GgOq0VAw9zYgE0y+kLbyKK85SWH4KakzDbLfVk+gDK4 X-Google-Smtp-Source: ABdhPJwuyBkQKY7sCtyB3pxkTtzFFNuZAV8klxW3eS5zIw5785/tDll2DLuHNJspjcVKW8m2tmLPreiiXEONoyJiQaY= X-Received: by 2002:a1c:e907:: with SMTP id q7mr11052207wmc.1.1621429939537; Wed, 19 May 2021 06:12:19 -0700 (PDT) List-Id: Porting FreeBSD to ARM processors List-Archive: http://lists.freebsd.org/arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org MIME-Version: 1.0 References: In-Reply-To: Reply-To: kamalpr@gmail.com From: "Kamal R. Prasad" Date: Wed, 19 May 2021 18:42:08 +0530 Message-ID: Subject: Re: bcm2835 To: Kyle Evans Cc: freebsd-arm Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4FlYF14nR8z4Vr1 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Hi! can you tell me more on why removing it was a problem for rpi3 or rpi4? i am trying to understand the significance of this #define. thanks -kamal On Wed, May 19, 2021 at 6:08 PM Kyle Evans wrote: > > On Wed, May 19, 2021 at 12:27 AM Kamal R. Prasad wrote: > > > > hello, > > > > in file > > sys/arm/broadcom/bcm2835/bcm2835_sdhci.c > > > > there is a constant > > SDHCI_QUIRK_BROKEN_TIMEOUT_VAL > > can someone tell me why this was introduced and does it correspond to > > anything in the datasheet? > > > > Hi, > > This was added by gonzo@ back in r242321. It doesn't really correspond > to anything in the datasheet, but before I committed r354560 that > moved it around I did try to remove it and observed that it was still > a problem with either the RPi3 or RPi4. > > Thanks, > > Kyle Evans