Re: [PATCH 6/9] Ufs: add PhyInit

["Tian, Feng" <feng.tian@intel.com>]

Could this be done at lower layer rather than changing existing interface? 

Thanks
Feng

-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Haojian Zhuang
Sent: Friday, January 6, 2017 2:52 PM
To: Tian, Feng <feng.tian@intel.com>; leif.lindholm@linaro.org; ard.biesheuvel@linaro.org; edk2-devel@lists.01.org
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Subject: [edk2] [PATCH 6/9] Ufs: add PhyInit

Add PhyInit() to support designware UFS controller.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c    | 2 ++
 MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 8 ++++++++
 MdeModulePkg/Include/Protocol/UfsHostController.h    | 7 +++++++
 3 files changed, 17 insertions(+)

diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
index 7c831e9..761dc8e 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
@@ -853,6 +853,8 @@ UfsPassThruDriverBindingStart (
     goto Error;
   }
 
+  MicroSecondDelay (100000);
+
   //
   // Get Ufs Device's Lun Info by reading Configuration Descriptor.
   //
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
index 218e9f5..7c01d57 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
@@ -2089,6 +2089,7 @@ UfsControllerInit (
   )
 {
   EFI_STATUS             Status;
+  EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;
 
   Status = UfsEnableHostController (Private);
   if (EFI_ERROR (Status)) {
@@ -2096,6 +2097,13 @@ UfsControllerInit (
     return Status;
   }
 
+  UfsHc  = Private->UfsHostController;
+  Status = UfsHc->PhyInit (UfsHc);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "UfsControllerInit: Phy Init Fails, Status = %r\n", Status));
+    return Status;
+  }
+
   Status = UfsDeviceDetection (Private);
   if (EFI_ERROR (Status)) {
     DEBUG ((EFI_D_ERROR, "UfsControllerInit: Device Detection Fails, Status = %r\n", Status)); diff --git a/MdeModulePkg/Include/Protocol/UfsHostController.h b/MdeModulePkg/Include/Protocol/UfsHostController.h
index 909c981..1f3605f 100644
--- a/MdeModulePkg/Include/Protocol/UfsHostController.h
+++ b/MdeModulePkg/Include/Protocol/UfsHostController.h
@@ -221,6 +221,12 @@ EFI_STATUS
   IN OUT VOID                                      *Buffer
   );
 
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_UFS_HC_PHY_INIT)(
+  IN     EDKII_UFS_HOST_CONTROLLER_PROTOCOL        *This
+  );
+
 ///
 ///  UFS Host Controller Protocol structure.
 ///
@@ -233,6 +239,7 @@ struct _EDKII_UFS_HOST_CONTROLLER_PROTOCOL {
   EDKII_UFS_HC_FLUSH                  Flush;
   EDKII_UFS_HC_MMIO_READ_WRITE        Read;
   EDKII_UFS_HC_MMIO_READ_WRITE        Write;
+  EDKII_UFS_HC_PHY_INIT               PhyInit;
 };
 
 ///
--
2.7.4

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