From nobody Wed May 19 12:38:18 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 AEC6886BF40 for ; Wed, 19 May 2021 12:38:31 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FlXTz4ZXSz3mWD for ; Wed, 19 May 2021 12:38:31 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: from mail-qk1-f172.google.com (mail-qk1-f172.google.com [209.85.222.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) (Authenticated sender: kevans) by smtp.freebsd.org (Postfix) with ESMTPSA id 811A5D16A for ; Wed, 19 May 2021 12:38:31 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: by mail-qk1-f172.google.com with SMTP id 124so184463qkh.10 for ; Wed, 19 May 2021 05:38:31 -0700 (PDT) X-Gm-Message-State: AOAM532twaJtMms9k6cMC7zpyfxgVMky9XsWemtOeyhwiuu7vetc1uFR 5K+MlGtDCb2zdAilDqLQwRZrpMZNPOKIlBgL9mk= X-Google-Smtp-Source: ABdhPJy+MVtALtlECwacJmOzCPWrqxeDkrMNnkCvLrW8Kd+x1yogx+SKkfzZ7xikOTqyajqEFqz5zO/ZhJOPAS5ucKE= X-Received: by 2002:a05:620a:164e:: with SMTP id c14mr11457967qko.103.1621427911158; Wed, 19 May 2021 05:38:31 -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: From: Kyle Evans Date: Wed, 19 May 2021 07:38:18 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: bcm2835 To: kamalpr@gmail.com Cc: freebsd-arm Content-Type: text/plain; charset="UTF-8" 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