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Iglesias" , Luc Michel , "Paolo Bonzini" Subject: [PATCH v2 06/22] sd: emmc: Update CMD8 to send EXT_CSD register Date: Mon, 22 Feb 2021 13:50:23 +0530 Message-ID: <1613982039-13861-7-git-send-email-sai.pavan.boddu@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1613982039-13861-1-git-send-email-sai.pavan.boddu@xilinx.com> References: <1613982039-13861-1-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: d995d623-88da-4afb-e532-08d8d70a210b X-MS-TrafficTypeDiagnostic: MW2PR02MB3835: 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)(46966006)(36840700001)(2906002)(82310400003)(356005)(83380400001)(8676002)(921005)(110136005)(336012)(107886003)(6266002)(4326008)(426003)(82740400003)(2616005)(42186006)(54906003)(6666004)(36906005)(5660300002)(186003)(70206006)(316002)(70586007)(478600001)(36756003)(7416002)(8936002)(47076005)(36860700001)(26005)(7636003)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Feb 2021 08:16:17.6367 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d995d623-88da-4afb-e532-08d8d70a210b 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: CY1NAM02FT007.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR02MB3835 Received-SPF: pass client-ip=40.107.100.76; envelope-from=saipava@xilinx.com; helo=NAM04-BN8-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_NONE=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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @xilinx.onmicrosoft.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Vincent Palatin Sends the EXT_CSD register as response to CMD8. Signed-off-by: Sai Pavan Boddu --- hw/sd/sd.c | 52 ++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 4c211ba..a4f93b5 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1133,24 +1133,37 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,= SDRequest req) } break; =20 - case 8: /* CMD8: SEND_IF_COND */ - if (sd->spec_version < SD_PHY_SPECv2_00_VERS) { - break; - } - if (sd->state !=3D sd_idle_state) { - break; - } - sd->vhs =3D 0; - - /* No response if not exactly one VHS bit is set. */ - if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) { - return sd->spi ? sd_r7 : sd_r0; - } + case 8: /* CMD8: SEND_IF_COND / SEND_EXT_CSD */ + if (sd->emmc) { + switch (sd->state) { + case sd_transfer_state: + /* MMC : Sends the EXT_CSD register as a Block of data */ + sd->state =3D sd_sendingdata_state; + memcpy(sd->data, sd->ext_csd, sizeof(sd->ext_csd)); + sd->data_start =3D addr; + sd->data_offset =3D 0; + return sd_r1; + default: + break; + } + } else { + if (sd->spec_version < SD_PHY_SPECv2_00_VERS) { + break; + } + if (sd->state !=3D sd_idle_state) { + break; + } + sd->vhs =3D 0; =20 - /* Accept. */ - sd->vhs =3D req.arg; - return sd_r7; + /* No response if not exactly one VHS bit is set. */ + if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1= ))) { + return sd->spi ? sd_r7 : sd_r0; + } =20 + /* Accept. */ + sd->vhs =3D req.arg; + return sd_r7; + } case 9: /* CMD9: SEND_CSD */ switch (sd->state) { case sd_standby_state: @@ -2073,6 +2086,13 @@ uint8_t sd_read_byte(SDState *sd) sd->state =3D sd_transfer_state; break; =20 + case 8: /* CMD8: SEND_EXT_CSD on MMC */ + ret =3D sd->data[sd->data_offset++]; + if (sd->data_offset >=3D sizeof(sd->ext_csd)) { + sd->state =3D sd_transfer_state; + } + break; + case 9: /* CMD9: SEND_CSD */ case 10: /* CMD10: SEND_CID */ ret =3D sd->data[sd->data_offset ++]; --=20 2.7.4