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[83.35.24.93]) by smtp.gmail.com with ESMTPSA id v22sm3321309wmh.40.2021.06.22.13.50.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Jun 2021 13:51:00 -0700 (PDT) Subject: Re: SD/MMC host controller + 64-bit system bus To: Joanne Koong References: From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <774c11e6-401f-d7ac-a021-44857ea6c620@amsat.org> Date: Tue, 22 Jun 2021 22:50:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x334.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi Joanne, On 6/22/21 8:07 PM, Joanne Koong wrote: > Hello! I noticed that the default SD/MMC host controller only supports a > 32-bit system bus. Is there a reason 64-bit system buses aren't > supported by default? We aim to support the spec v2.00, so this is a bug in the model, 64-bit system bus should be supported. Do you mind sending a patch? Thanks, Phil.