From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58325) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1emRmf-0004jR-Vn for qemu-devel@nongnu.org; Thu, 15 Feb 2018 17:13:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1emRmf-00053c-2q for qemu-devel@nongnu.org; Thu, 15 Feb 2018 17:13:41 -0500 Received: from mail-qt0-x241.google.com ([2607:f8b0:400d:c0d::241]:34950) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1emRme-00053E-UJ for qemu-devel@nongnu.org; Thu, 15 Feb 2018 17:13:41 -0500 Received: by mail-qt0-x241.google.com with SMTP id g14so1640739qti.2 for ; Thu, 15 Feb 2018 14:13:40 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Thu, 15 Feb 2018 19:13:08 -0300 Message-Id: <20180215221325.7611-4-f4bug@amsat.org> In-Reply-To: <20180215221325.7611-1-f4bug@amsat.org> References: <20180215221325.7611-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v4 03/20] sdcard: fix the 'maximum data transfer rate' to 25MHz List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alistair Francis , Peter Maydell , Igor Mitsyanko Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, "Edgar E . Iglesias" , Prasad J Pandit , Andrzej Zaborowski To comply with Spec v1.10 (and 2.00, 3.01): . TRAN_SPEED for current SD Memory Cards that field must be always 0_0110_010b (032h) which is equal to 25MHz - the mandatory maximum operating frequency of SD Memory Card. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Alistair Francis --- hw/sd/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index c1ba098d86..14c1cb1332 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -358,7 +358,7 @@ static void sd_set_csd(SDState *sd, uint64_t size) sd->csd[0] = 0x00; /* CSD structure */ sd->csd[1] = 0x26; /* Data read access-time-1 */ sd->csd[2] = 0x00; /* Data read access-time-2 */ - sd->csd[3] = 0x5a; /* Max. data transfer rate */ + sd->csd[3] = 0x32; /* Max. data transfer rate: 25 MHz */ sd->csd[4] = 0x5f; /* Card Command Classes */ sd->csd[5] = 0x50 | /* Max. read data block length */ HWBLOCK_SHIFT; -- 2.16.1