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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?CzA842/mxmM8VkEkdX/agYO94f7jJNX/9PWFmdo/+iPBKXdsRWZAS1OHX2YT?= =?us-ascii?Q?+B3tGr5e/h5P6phN1KhI/f73oiVI1Sy3BIS8aFvpwgQGu8FV8F+G31YBSQSu?= =?us-ascii?Q?nN7y4JW4dnoWD1DvP0Re1ldHui85E2O7ZX4kPvsTCUeT/Sq9PbreaEWGHzpK?= =?us-ascii?Q?DFXadKxvNE0zBA9c5HxRI+1Pi5idIPZT5xhPODGw1QheBqeDo9E6i8/ija7W?= =?us-ascii?Q?uqVBE1qrfleybvKDtztMGTH3CaRM4UDeudvUQgrbtGOAj4DlxUblOPnNYsnC?= =?us-ascii?Q?ptpEZekMFiH5IZdzgK34XsUod+JeIoSmkB/bLROlCPfRi6EPhGol8MyIFp1/?= =?us-ascii?Q?3Kc2hiETXhfz6Ew6OyZeMR+HiHP+rm6oLMRJaUnfW3Sp+niMoE7ruIEpqIPk?= =?us-ascii?Q?WSH3w7ZV/4xDhLuq4BkhY6e4bVU22nKDeawqyAVZOUeXvpmMIhYNCe4BOSE/?= =?us-ascii?Q?kk2j8cwMgD4rdmUd2vjNE5VIbVeYyfruXEkalZHJqJP6ke4ccboAAUJjLL33?= =?us-ascii?Q?4YM15LQ3Vhj8tHedSkqdZ9W/PRDN+0BHLtc9yDl8k91h22OYM1p6X4hhXopG?= =?us-ascii?Q?It2IaHCillGw89NcnWsZcvtuNnwHVPPb/ev7WBFTYdNLHYfGm3VQooZqri+0?= =?us-ascii?Q?6dpJksCa/80MO2jDk93JvyivczY0udgsMZ/tVuiXH6hUSyrG61xb3QuWXUvJ?= =?us-ascii?Q?zD82Q2jLRKmvhSsvKj5YtkH9P7M3QmvAl6FLGUtwi7/7tLYato0ct8hXAsVk?= =?us-ascii?Q?/nflWC2AWjOqgMvU8spCJiNLQB2sySwA8JnbfrwFSnI+4TwV4+a+3Zy8p2S5?= =?us-ascii?Q?YG5FEZKfEnhRidIS9QUX5X2mwmYqGyoavSJnQ0DKb3oBVbLphav9e3E5Gph4?= =?us-ascii?Q?bBUcQpX3395ZJv2S2kSRB7t+9HfgtWpEyt+SlwJ4Nr9u3bIUnY5x1uuXdLRF?= =?us-ascii?Q?7cK6n18WBrWQ37lkmSbK6iGg3ypS9Pa4LInyLy3ripySEbGlih/1jXR2A8wC?= =?us-ascii?Q?bOZzA28JBudGQX1Hih//PD4retlxuP8vqMh5iTu1Ots1W1qFrrUVoJ7lSih3?= =?us-ascii?Q?I0/etAOTn3ko78gIWjMVjQlJd53cx1FtdgMxTV+bfpPve0lYboZJBGJgXHBp?= =?us-ascii?Q?AuJY5ZpslNBM93R2OfqtlEE+um56D1uvwXYWEklKbUtWRqfGi+8yhq76iVTP?= =?us-ascii?Q?L4ng1HPm2dQo6AAvNw4Rut3KI3iYAGx+/pheKB2HH7hkG1B8fpUDNnSga31d?= =?us-ascii?Q?NEo02o3P10IQNHJIcSpAcK+NR/rnEQtgsMD/PtdhTDCiZ0JBgIrfUKod8ZUl?= =?us-ascii?Q?s1u/yQCj0LMcnErMDiASKC8unzI5i45vHeZdJp+u7br4k5XWRfSEAx6O9OtV?= =?us-ascii?Q?FHpMakTkegxcmnpKYzjFH8IxTgchR+EpoyJLEK2BjBIFN+rnWUM7+C+Xw87Y?= =?us-ascii?Q?jzopOVayeFhKWo1f9yVGavS9IVbS2UY7Jge9NHjoAJicWv5kMbqG7XVF/V6p?= =?us-ascii?Q?lsKyUnKTKKDdiALkpbyfKVzRzbT5XGVBwQq9cD10X9z5YdXbKn9IG3o2ysSj?= =?us-ascii?Q?y90VxOQDHHdsuJ1LgHrMwDO9q31xjyIxPL8ucDW9MAKSte0qJ81QLic5jshn?= =?us-ascii?Q?dA=3D=3D?= X-OriginatorOrg: plvision.eu X-MS-Exchange-CrossTenant-Network-Message-Id: 75629c53-4d77-4fbd-d22c-08da6f2964d0 X-MS-Exchange-CrossTenant-AuthSource: DB6P190MB0310.EURP190.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2022 17:08:00.3501 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 03707b74-30f3-46b6-a0e0-ff0a7438c9c4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: oQP9s/whUUo9TVcjVVQ9yRQJVd1ru5ihQ2/od0jifHU/JSSlK6QQmhvORzQ5BOxZv9aVwSWes0+h3edb5O1wxLBsJTV8sfmjnqIikFLIQ2o= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4P190MB1197 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Elad Nachman There is a limitation on AC5 SoC that mmc controller can't have DMA access over 2G memory. Signed-off-by: Elad Nachman Signed-off-by: Vadym Kochan --- drivers/mmc/host/sdhci-xenon.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 08e838400b52..666d06b58564 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "sdhci-pltfm.h" #include "sdhci-xenon.h" @@ -422,6 +423,8 @@ static int xenon_probe_params(struct platform_device *pdev) struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host); u32 sdhc_id, nr_sdhc; u32 tuning_count; + struct device_node *np = pdev->dev.of_node; + struct sysinfo si; /* Disable HS200 on Armada AP806 */ if (priv->hw_version == XENON_AP806) @@ -450,6 +453,15 @@ static int xenon_probe_params(struct platform_device *pdev) } priv->tuning_count = tuning_count; + si_meminfo(&si); + + if (of_device_is_compatible(np, "marvell,ac5-sdhci") && + ((si.totalram * si.mem_unit) > 0x80000000 /*2G*/)) { + host->quirks |= SDHCI_QUIRK_BROKEN_DMA; + host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; + dev_info(mmc_dev(mmc), "Disabling DMA because of 2GB DMA access limit.\n"); + } + return xenon_phy_parse_params(dev, host); } @@ -682,6 +694,7 @@ static const struct of_device_id sdhci_xenon_dt_ids[] = { { .compatible = "marvell,armada-ap807-sdhci", .data = (void *)XENON_AP807}, { .compatible = "marvell,armada-cp110-sdhci", .data = (void *)XENON_CP110}, { .compatible = "marvell,armada-3700-sdhci", .data = (void *)XENON_A3700}, + { .compatible = "marvell,ac5-sdhci", .data = (void *)XENON_AP806}, {} }; MODULE_DEVICE_TABLE(of, sdhci_xenon_dt_ids); -- 2.17.1