BaseTools: Eot tool Python3 adaption

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / SdMmcPciHcDxe / SdMmcPciHcDxe.c

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
index 23faec5e2be0bbc9a317130822eecb0388f4fd4f..76c32a4dcd79261bcd10c931cc0bbf0b1c470409 100644 (file)
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
@@ -4,6 +4,7 @@
 \r
   It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.\r
 \r
+  Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.\r
   Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
@@ -17,6 +18,8 @@
 \r
 #include "SdMmcPciHcDxe.h"\r
 \r
+EDKII_SD_MMC_OVERRIDE           *mOverride;\r
+\r
 //\r
 // Driver Global Variables\r
 //\r
@@ -60,7 +63,9 @@ SD_MMC_HC_PRIVATE_DATA gSdMmcPciHcTemplate = {
   {                                 // MaxCurrent\r
     0,\r
   },\r
-  0                                 // ControllerVersion\r
+  {\r
+    0                               // ControllerVersion\r
+  }\r
 };\r
 \r
 SD_DEVICE_PATH    mSdDpTemplate = {\r
@@ -281,14 +286,14 @@ SdMmcPciHcEnumerateDevice (
         //\r
         // Reset the specified slot of the SD/MMC Pci Host Controller\r
         //\r
-        Status = SdMmcHcReset (Private->PciIo, Slot);\r
+        Status = SdMmcHcReset (Private, Slot);\r
         if (EFI_ERROR (Status)) {\r
           continue;\r
         }\r
         //\r
         // Reinitialize slot and restart identification process for the new attached device\r
         //\r
-        Status = SdMmcHcInitHost (Private->PciIo, Slot, Private->Capability[Slot]);\r
+        Status = SdMmcHcInitHost (Private, Slot);\r
         if (EFI_ERROR (Status)) {\r
           continue;\r
         }\r
@@ -601,17 +606,68 @@ SdMmcPciHcDriverBindingStart (
     goto Done;\r
   }\r
 \r
+  //\r
+  // Attempt to locate the singleton instance of the SD/MMC override protocol,\r
+  // which implements platform specific workarounds for non-standard SDHCI\r
+  // implementations.\r
+  //\r
+  if (mOverride == NULL) {\r
+    Status = gBS->LocateProtocol (&gEdkiiSdMmcOverrideProtocolGuid, NULL,\r
+                    (VOID **)&mOverride);\r
+    if (!EFI_ERROR (Status)) {\r
+      DEBUG ((DEBUG_INFO, "%a: found SD/MMC override protocol\n",\r
+        __FUNCTION__));\r
+    }\r
+  }\r
+\r
   Support64BitDma = TRUE;\r
   for (Slot = FirstBar; Slot < (FirstBar + SlotNum); Slot++) {\r
     Private->Slot[Slot].Enable = TRUE;\r
 \r
+    //\r
+    // Get SD/MMC Pci Host Controller Version\r
+    //\r
+    Status = SdMmcHcGetControllerVersion (PciIo, Slot, &Private->ControllerVersion[Slot]);\r
+    if (EFI_ERROR (Status)) {\r
+      continue;\r
+    }\r
+\r
     Status = SdMmcHcGetCapability (PciIo, Slot, &Private->Capability[Slot]);\r
     if (EFI_ERROR (Status)) {\r
       continue;\r
     }\r
+\r
+    Private->BaseClkFreq[Slot] = Private->Capability[Slot].BaseClkFreq;\r
+\r
+    if (mOverride != NULL && mOverride->Capability != NULL) {\r
+      Status = mOverride->Capability (\r
+                            Controller,\r
+                            Slot,\r
+                            &Private->Capability[Slot],\r
+                            &Private->BaseClkFreq[Slot]\r
+                            );\r
+      if (EFI_ERROR (Status)) {\r
+        DEBUG ((DEBUG_WARN, "%a: Failed to override capability - %r\n",\r
+          __FUNCTION__, Status));\r
+        continue;\r
+      }\r
+    }\r
     DumpCapabilityReg (Slot, &Private->Capability[Slot]);\r
+    DEBUG ((\r
+      DEBUG_INFO,\r
+      "Slot[%d] Base Clock Frequency: %dMHz\n",\r
+      Slot,\r
+      Private->BaseClkFreq[Slot]\r
+      ));\r
 \r
-    Support64BitDma &= Private->Capability[Slot].SysBus64;\r
+    //\r
+    // If any of the slots does not support 64b system bus\r
+    // do not enable 64b DMA in the PCI layer.\r
+    //\r
+    if (Private->Capability[Slot].SysBus64V3 == 0 &&\r
+        Private->Capability[Slot].SysBus64V4 == 0) {\r
+      Support64BitDma = FALSE;\r
+    }\r
 \r
     Status = SdMmcHcGetMaxCurrent (PciIo, Slot, &Private->MaxCurrent[Slot]);\r
     if (EFI_ERROR (Status)) {\r
@@ -627,22 +683,28 @@ SdMmcPciHcDriverBindingStart (
     //\r
     // Reset the specified slot of the SD/MMC Pci Host Controller\r
     //\r
-    Status = SdMmcHcReset (PciIo, Slot);\r
+    Status = SdMmcHcReset (Private, Slot);\r
     if (EFI_ERROR (Status)) {\r
       continue;\r
     }\r
     //\r
     // Check whether there is a SD/MMC card attached\r
     //\r
-    Status = SdMmcHcCardDetect (PciIo, Slot, &MediaPresent);\r
-    if (EFI_ERROR (Status) && (Status != EFI_MEDIA_CHANGED)) {\r
-      continue;\r
-    } else if (!MediaPresent) {\r
-      DEBUG ((DEBUG_INFO, "SdMmcHcCardDetect: No device attached in Slot[%d]!!!\n", Slot));\r
-      continue;\r
+    if (Private->Slot[Slot].SlotType == RemovableSlot) {\r
+      Status = SdMmcHcCardDetect (PciIo, Slot, &MediaPresent);\r
+      if (EFI_ERROR (Status) && (Status != EFI_MEDIA_CHANGED)) {\r
+        continue;\r
+      } else if (!MediaPresent) {\r
+        DEBUG ((\r
+          DEBUG_INFO,\r
+          "SdMmcHcCardDetect: No device attached in Slot[%d]!!!\n",\r
+          Slot\r
+          ));\r
+        continue;\r
+      }\r
     }\r
 \r
-    Status = SdMmcHcInitHost (PciIo, Slot, Private->Capability[Slot]);\r
+    Status = SdMmcHcInitHost (Private, Slot);\r
     if (EFI_ERROR (Status)) {\r
       continue;\r
     }\r
@@ -1008,13 +1070,7 @@ SdMmcPassThruPassThru (
   }\r
 \r
 Done:\r
-  if ((Trb != NULL) && (Trb->AdmaDesc != NULL)) {\r
-    FreePages (Trb->AdmaDesc, Trb->AdmaPages);\r
-  }\r
-\r
-  if (Trb != NULL) {\r
-    FreePool (Trb);\r
-  }\r
+  SdMmcFreeTrb (Trb);\r
 \r
   return Status;\r
 }\r