diff options
-rw-r--r-- | MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c | 70 | ||||
-rw-r--r-- | MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 10 | ||||
-rw-r--r-- | MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h | 15 |
3 files changed, 74 insertions, 21 deletions
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c index 4c2d6ae..dc78e09 100644 --- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c +++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c @@ -1,6 +1,6 @@ /** @file
- Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -834,15 +834,17 @@ UfsPassThruDriverBindingStart ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS Status;
- EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;
- UFS_PASS_THRU_PRIVATE_DATA *Private;
- UINTN UfsHcBase;
- UINT32 Index;
- UFS_UNIT_DESC UnitDescriptor;
- UFS_DEV_DESC DeviceDescriptor;
- UINT32 UnitDescriptorSize;
- UINT32 DeviceDescriptorSize;
+ EFI_STATUS Status;
+ EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;
+ UFS_PASS_THRU_PRIVATE_DATA *Private;
+ UINTN UfsHcBase;
+ UINT32 Index;
+ UFS_UNIT_DESC UnitDescriptor;
+ UFS_DEV_DESC DeviceDescriptor;
+ UINT32 UnitDescriptorSize;
+ UINT32 DeviceDescriptorSize;
+ EDKII_UFS_CARD_REF_CLK_FREQ_ATTRIBUTE Attributes;
+ UINT8 RefClkAttr;
Status = EFI_SUCCESS;
UfsHc = NULL;
@@ -917,6 +919,54 @@ UfsPassThruDriverBindingStart ( goto Error;
}
+ if ((mUfsHcPlatform != NULL) &&
+ ((mUfsHcPlatform->RefClkFreq == EdkiiUfsCardRefClkFreq19p2Mhz) ||
+ (mUfsHcPlatform->RefClkFreq == EdkiiUfsCardRefClkFreq26Mhz) ||
+ (mUfsHcPlatform->RefClkFreq == EdkiiUfsCardRefClkFreq38p4Mhz)))
+ {
+ RefClkAttr = UfsAttrRefClkFreq;
+ Attributes = EdkiiUfsCardRefClkFreqObsolete;
+ Status = UfsRwAttributes (Private, TRUE, RefClkAttr, 0, 0, (UINT32 *)&Attributes);
+ if (!EFI_ERROR (Status)) {
+ if (Attributes != mUfsHcPlatform->RefClkFreq) {
+ Attributes = mUfsHcPlatform->RefClkFreq;
+ DEBUG (
+ (DEBUG_INFO,
+ "Setting bRefClkFreq attribute(%x) to %x\n 0 -> 19.2 Mhz\n 1 -> 26 Mhz\n 2 -> 38.4 Mhz\n 3 -> Obsolete\n",
+ RefClkAttr,
+ Attributes)
+ );
+ Status = UfsRwAttributes (Private, FALSE, RefClkAttr, 0, 0, (UINT32 *)&Attributes);
+ if (EFI_ERROR (Status)) {
+ DEBUG (
+ (DEBUG_ERROR,
+ "Failed to Change Reference Clock Attribute to %d, Status = %r \n",
+ mUfsHcPlatform->RefClkFreq,
+ Status)
+ );
+ }
+ }
+ } else {
+ DEBUG (
+ (DEBUG_ERROR,
+ "Failed to Read Reference Clock Attribute, Status = %r \n",
+ Status)
+ );
+ }
+ }
+
+ if ((mUfsHcPlatform != NULL) && (mUfsHcPlatform->Callback != NULL)) {
+ Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPostLinkStartup, &Private->UfsHcDriverInterface);
+ if (EFI_ERROR (Status)) {
+ DEBUG (
+ (DEBUG_ERROR,
+ "Failure from platform driver during EdkiiUfsHcPostLinkStartup, Status = %r\n",
+ Status)
+ );
+ return Status;
+ }
+ }
+
//
// UFS 2.0 spec Section 13.1.3.3:
// At the end of the UFS Interconnect Layer initialization on both host and device side,
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c index eba35cc..4a9fa01 100644 --- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c +++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c @@ -2,7 +2,7 @@ UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface
for upper layer application to execute UFS-supported SCSI cmds.
- Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -1970,14 +1970,6 @@ UfsDeviceDetection ( return EFI_DEVICE_ERROR;
}
} else {
- if ((mUfsHcPlatform != NULL) && (mUfsHcPlatform->Callback != NULL)) {
- Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPostLinkStartup, &Private->UfsHcDriverInterface);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "Failure from platform driver during EdkiiUfsHcPostLinkStartup, Status = %r\n", Status));
- return Status;
- }
- }
-
return EFI_SUCCESS;
}
}
diff --git a/MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h b/MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h index faa82d0..32e9f64 100644 --- a/MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h +++ b/MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h @@ -1,7 +1,7 @@ /** @file
EDKII_UFS_HC_PLATFORM_PROTOCOL definition.
-Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2019 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -11,7 +11,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include <Protocol/UfsHostController.h>
-#define EDKII_UFS_HC_PLATFORM_PROTOCOL_VERSION 1
+#define EDKII_UFS_HC_PLATFORM_PROTOCOL_VERSION 2
extern EFI_GUID gEdkiiUfsHcPlatformProtocolGuid;
@@ -83,6 +83,13 @@ typedef enum { EdkiiUfsHcPostLinkStartup
} EDKII_UFS_HC_PLATFORM_CALLBACK_PHASE;
+typedef enum {
+ EdkiiUfsCardRefClkFreq19p2Mhz,
+ EdkiiUfsCardRefClkFreq26Mhz,
+ EdkiiUfsCardRefClkFreq38p4Mhz,
+ EdkiiUfsCardRefClkFreqObsolete
+} EDKII_UFS_CARD_REF_CLK_FREQ_ATTRIBUTE;
+
/**
Callback function for platform driver.
@@ -118,6 +125,10 @@ struct _EDKII_UFS_HC_PLATFORM_PROTOCOL { /// for host controller.
///
EDKII_UFS_HC_PLATFORM_CALLBACK Callback;
+ ///
+ /// Reference Clock Frequency Ufs Card Attribute that need to be set in this Ufs Host Environment.
+ ///
+ EDKII_UFS_CARD_REF_CLK_FREQ_ATTRIBUTE RefClkFreq;
};
#endif
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