From: "Wu, Hao A" <hao.a.wu@intel.com>
To: "Bandaru,
Purna Chandra Rao" <purna.chandra.rao.bandaru@intel.com>,
"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Albecki, Mateusz" <mateusz.albecki@intel.com>,
"Gao, Liming" <gaoliming@byosoft.com.cn>,
"Liu, Zhiguang" <zhiguang.liu@intel.com>
Subject: Re: [PATCH] [PATCH v2] MdeModulePkg: Add bRefClkFreq card attribute programming support
Date: Tue, 8 Mar 2022 05:25:19 +0000 [thread overview]
Message-ID: <DM6PR11MB402593D8691229DDF024C481CA099@DM6PR11MB4025.namprd11.prod.outlook.com> (raw)
In-Reply-To: <1828e4b1d46a6ae53d275d374707909deba007d6.1646653492.git.purna.chandra.rao.bandaru@intel.com>
[-- Attachment #1: Type: text/plain, Size: 11238 bytes --]
Minor inline comments below on coding style from the uncrustify tool:
> -----Original Message-----
> From: Bandaru, Purna Chandra Rao <purna.chandra.rao.bandaru@intel.com>
> Sent: Monday, March 7, 2022 7:47 PM
> To: devel@edk2.groups.io
> Cc: Bandaru, Purna Chandra Rao <purna.chandra.rao.bandaru@intel.com>;
> Wu, Hao A <hao.a.wu@intel.com>; Albecki, Mateusz
> <mateusz.albecki@intel.com>; Gao, Liming <gaoliming@byosoft.com.cn>;
> Liu, Zhiguang <zhiguang.liu@intel.com>
> Subject: [PATCH] [PATCH v2] MdeModulePkg: Add bRefClkFreq card
> attribute programming support
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3851
>
> When the UFS card comes out of Manufacturer, bRefClkFreq attribute is set
> to 1h on the UFS card as per the "MDV” (Manufacturer Default Value)
"MDV" (seems like the second quotation mark is a non-ascii character)
> specified by the spec JESD220*. However, depends on the UFS host system
> environment, it need to be set to correct value.
>
> Reference Clock Frequency value
> 0h:19.2 MHz
> 1h: 26 MHz
> 2h: 38.4 MHz
> 3h: Obsolete
> Others: Reserved
>
> Cc: Wu Hao A <hao.a.wu@intel.com<mailto:hao.a.wu@intel.com>>
> Cc: Albecki Mateusz <mateusz.albecki@intel.com<mailto:mateusz.albecki@intel.com>>
> Cc: Liming Gao <gaoliming@byosoft.com.cn<mailto:gaoliming@byosoft.com.cn>>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com<mailto:zhiguang.liu@intel.com>>
>
> Signed-off-by: Purna Chandra Rao Bandaru
> <purna.chandra.rao.bandaru@intel.com<mailto:purna.chandra.rao.bandaru@intel.com>>
> ---
> .../Bus/Ufs/UfsPassThruDxe/UfsPassThru.c | 50 ++++++++++++++++++-
> .../Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 10 +---
> .../Protocol/UfsHostControllerPlatform.h | 15 +++++-
> 3 files changed, 63 insertions(+), 12 deletions(-)
>
> diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
> b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
> index 4c2d6ae27f..638b14b0c1 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
>
> @@ -843,6 +843,8 @@ UfsPassThruDriverBindingStart (
> UFS_DEV_DESC DeviceDescriptor;
> UINT32 UnitDescriptorSize;
> UINT32 DeviceDescriptorSize;
> + EDKII_UFS_CARD_REF_CLK_FREQ_ATTRIBUTE Attributes;
> + UINT8 RefClkAttr;
Please help to keep 2 spaces between the data type and the variable name and keep all other variables’ indent aligned.
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;
> @@ -916,6 +918,52 @@ UfsPassThruDriverBindingStart (
> DEBUG ((DEBUG_ERROR, "Ufs Host Controller Initialization Error, Status
> = %r\n", Status));
> 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;
> + }
> + }
Please help to update the above new codes to:
Status = UfsControllerInit (Private);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Ufs Host Controller Initialization Error, Status = %r\n", Status));
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;
}
}
Best Regards,
Hao Wu
>
> //
> // UFS 2.0 spec Section 13.1.3.3:
> diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
> b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
> index eba35cc669..4a9fa01e7d 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 faa82d0c4e..32e9f6488c 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
> --
> 2.31.1.windows.1
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prev parent reply other threads:[~2022-03-08 5:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-07 11:47 [PATCH] [PATCH v2] MdeModulePkg: Add bRefClkFreq card attribute programming support Bandaru, Purna Chandra Rao
2022-03-08 5:25 ` Wu, Hao A [this message]
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