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Sun, 28 Feb 2021 11:29:17 -0800 Received: by xhdsaipava40.xilinx.com (Postfix, from userid 14131) id A1FF013C0AB0; Mon, 1 Mar 2021 01:04:01 +0530 (IST) From: Sai Pavan Boddu To: Markus Armbruster , Kevin Wolf , "Max Reitz" , Vladimir Sementsov-Ogievskiy , Eric Blake , Joel Stanley , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Vincent Palatin , "Dr. David Alan Gilbert" , Thomas Huth , Stefan Hajnoczi , Peter Maydell , "Alistair Francis" , "Edgar E. Iglesias" , Luc Michel , "Paolo Bonzini" Subject: [PATCH v3 12/21] sd: emmc: add CMD21 tuning sequence Date: Mon, 1 Mar 2021 01:03:18 +0530 Message-ID: <1614540807-30686-13-git-send-email-sai.pavan.boddu@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614540807-30686-1-git-send-email-sai.pavan.boddu@xilinx.com> References: <1614540807-30686-1-git-send-email-sai.pavan.boddu@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 03ed527f-51c5-479f-20db-08d8dc1f2bf3 X-MS-TrafficTypeDiagnostic: BN6PR02MB2516: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:2803; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:xsj-pvapexch02.xlnx.xilinx.com; PTR:unknown-62-198.xilinx.com; CAT:NONE; SFS:(4636009)(346002)(136003)(39850400004)(396003)(376002)(36840700001)(46966006)(4326008)(70206006)(6666004)(107886003)(336012)(426003)(70586007)(478600001)(6266002)(186003)(36756003)(26005)(83380400001)(8936002)(7416002)(2906002)(5660300002)(7636003)(42186006)(36860700001)(2616005)(36906005)(82310400003)(82740400003)(54906003)(47076005)(356005)(8676002)(316002)(921005)(110136005)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2021 19:29:31.1736 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 03ed527f-51c5-479f-20db-08d8dc1f2bf3 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.62.198]; Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT032.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR02MB2516 Received-SPF: pass client-ip=40.107.93.40; envelope-from=saipava@xilinx.com; helo=NAM10-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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: saipava@xilinx.com, qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" eMMC cards support tuning sequence for entering HS200 mode. Signed-off-by: Sai Pavan Boddu Signed-off-by: Edgar E. Iglesias --- hw/sd/sd.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index bf963ec..174c28e 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1386,6 +1386,14 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) } break; + case 21: /* CMD21: mmc SEND TUNING_BLOCK */ + if (sd->emmc && (sd->state == sd_transfer_state)) { + sd->state = sd_sendingdata_state; + sd->data_offset = 0; + return sd_r1; + } + break; + case 23: /* CMD23: SET_BLOCK_COUNT */ if (sd->spec_version < SD_PHY_SPECv3_01_VERS) { break; @@ -2120,6 +2128,30 @@ static const uint8_t sd_tuning_block_pattern[SD_TUNING_BLOCK_SIZE] = { 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde, }; +#define EXCSD_BUS_WIDTH_OFFSET 183 +#define BUS_WIDTH_8_MASK 0x4 +#define BUS_WIDTH_4_MASK 0x2 +#define MMC_TUNING_BLOCK_SIZE 128 + +static const uint8_t mmc_tunning_block_pattern[128] = { + 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, + 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, 0xcc, + 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, 0xff, + 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, 0xff, + 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, 0xdd, + 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb, + 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff, + 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, 0xff, + 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, + 0x00, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, + 0xcc, 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, + 0xff, 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, + 0xff, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, + 0xdd, 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, + 0xbb, 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, + 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, +}; + uint8_t sd_read_byte(SDState *sd) { /* TODO: Append CRCs */ @@ -2213,6 +2245,21 @@ uint8_t sd_read_byte(SDState *sd) ret = sd_tuning_block_pattern[sd->data_offset++]; break; + case 21: /* CMD21: SEND_TUNNING_BLOCK (MMC) */ + if (sd->data_offset >= MMC_TUNING_BLOCK_SIZE - 1) { + sd->state = sd_transfer_state; + } + if (sd->ext_csd[EXCSD_BUS_WIDTH_OFFSET] & BUS_WIDTH_8_MASK) { + ret = mmc_tunning_block_pattern[sd->data_offset++]; + } else { + /* Return LSB Nibbles of two byte from the 8bit tuning block + * for 4bit mode + */ + ret = mmc_tunning_block_pattern[sd->data_offset++] & 0x0F; + ret |= (mmc_tunning_block_pattern[sd->data_offset++] & 0x0F) << 4; + } + break; + case 22: /* ACMD22: SEND_NUM_WR_BLOCKS */ ret = sd->data[sd->data_offset ++];