[PATCH 1/2] MdeModulePkg/SdMmcPciHcDxe: Make timeout for SD card configurable

["Sean Rhodes" <sean@starlabs.systems>]

The default 1s timeout can delay boot splash on some hardware with no
benefit.

Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
---
 MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h   | 3 ++-
 MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf | 4 ++++
 MdeModulePkg/MdeModulePkg.dec                        | 4 ++++
 MdeModulePkg/MdeModulePkg.uni                        | 4 ++++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
index 85e09cf114..b76c7cffa2 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
@@ -24,6 +24,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/MemoryAllocationLib.h>
 #include <Library/UefiLib.h>
 #include <Library/DevicePathLib.h>
+#include <Library/PcdLib.h>
 
 #include <Protocol/DevicePath.h>
 #include <Protocol/PciIo.h>
@@ -49,7 +50,7 @@ extern EDKII_SD_MMC_OVERRIDE  *mOverride;
 //
 // Generic time out value, 1 microsecond as unit.
 //
-#define SD_MMC_HC_GENERIC_TIMEOUT  1 * 1000 * 1000
+#define SD_MMC_HC_GENERIC_TIMEOUT  (PcdGet32 (PcdSdMmcGenericTimeoutValue))
 
 //
 // SD/MMC async transfer timer interval, set by experience.
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf
index 453ecde7fd..e502443ddd 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf
@@ -56,6 +56,7 @@
   BaseLib
   UefiDriverEntryPoint
   DebugLib
+  PcdLib
 
 [Protocols]
   gEdkiiSdMmcOverrideProtocolGuid               ## SOMETIMES_CONSUMES
@@ -68,3 +69,6 @@
 
 [UserExtensions.TianoCore."ExtraFiles"]
   SdMmcPciHcDxeExtra.uni
+
+[Pcd]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSdMmcGenericTimeoutValue  ## CONSUMES
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 463e889e9a..40601c9583 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -1559,6 +1559,10 @@
   # @Prompt Maximum permitted FwVol section nesting depth (exclusive).
   gEfiMdeModulePkgTokenSpaceGuid.PcdFwVolDxeMaxEncapsulationDepth|0x10|UINT32|0x00000030
 
+  ## Indicates the default timeout value for SD/MMC Host Controller operations in microseconds.
+  # @Prompt SD/MMC Host Controller Operations Timeout (us).
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSdMmcGenericTimeoutValue|1000000|UINT32|0x00000031
+
 [PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
   ## This PCD defines the Console output row. The default value is 25 according to UEFI spec.
   #  This PCD could be set to 0 then console output would be at max column and max row.
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index 27889a7280..b070f15ff2 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -1173,6 +1173,10 @@
                                                                                           " TRUE  - Capsule In Ram is supported.<BR>"
                                                                                           " FALSE - Capsule In Ram is not supported."
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSdMmcGenericTimeoutValue_PROMPT #language en-US "SD/MMC Host Controller Operations Timeout (us)."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSdMmcGenericTimeoutValue_HELP   #language en-US "Indicates the default timeout value for SD/MMC Host Controller operations in microseconds."
+
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCodRelocationDevPath_PROMPT  #language en-US "Capsule On Disk relocation device path."
 
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCodRelocationDevPath_HELP  #language en-US   "Full device path of platform specific device to store Capsule On Disk temp relocation file.<BR>"
-- 
2.32.0