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Tue, 23 Apr 2024 00:31:06 -0500 Received: from xhdvabbarap40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Tue, 23 Apr 2024 00:31:04 -0500 From: Venkatesh Yadav Abbarapu To: CC: , , Subject: [PATCH] mmc: Change the frequency to MMC_HS_52 when selecting hs400 Date: Tue, 23 Apr 2024 11:00:57 +0530 Message-ID: <20240423053057.15863-1-venkatesh.abbarapu@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099DB:EE_|CH3PR12MB8581:EE_ X-MS-Office365-Filtering-Correlation-Id: 833a2ae6-9e3e-47d7-4ddc-08dc63569377 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(376005)(82310400014)(1800799015)(36860700004); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2024 05:31:07.1393 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 833a2ae6-9e3e-47d7-4ddc-08dc63569377 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099DB.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8581 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Per JESD84-B51 P47, host need to change frequency to <=52MHz after setting HS_TIMING to 0x1, and host need to set the 8-bit DDR buswidth. Currently setting the frequency to 26MHz and trying to switch 8-bit DDR buswidth resulting timeouts. mmc dev 1 0 Select HS400 failed -110 switch to partitions #0, OK mmc1(part 0) is current device Signed-off-by: Venkatesh Yadav Abbarapu --- drivers/mmc/mmc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 7b068c71ff..a2ed99aefe 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -962,8 +962,8 @@ static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode, * Extended CSD. Reconfigure the controller to run at HS mode. */ if (hsdowngrade) { - mmc_select_mode(mmc, MMC_HS); - mmc_set_clock(mmc, mmc_mode2freq(mmc, MMC_HS), false); + mmc_select_mode(mmc, MMC_HS_52); + mmc_set_clock(mmc, mmc_mode2freq(mmc, MMC_HS_52), false); } #endif @@ -2043,7 +2043,7 @@ static int mmc_select_hs400(struct mmc *mmc) } /* Set back to HS */ - mmc_set_card_speed(mmc, MMC_HS, true); + mmc_set_card_speed(mmc, MMC_HS_52, true); err = mmc_hs400_prepare_ddr(mmc); if (err)