[edk2-devel] [PATCH 1/2] MdeModulePkg/SdMmcPciHcDxe: Make timeout for SD card configurable

Sean Rhodes sean at starlabs.systems
Fri Feb 18 07:23:47 UTC 2022


From: Matt DeVillier <matt.devillier at gmail.com>

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

Cc: Hao A Wu <hao.a.wu at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Signed-off-by: Matt DeVillier <matt.devillier at gmail.com>
Signed-off-by: Sean Rhodes <sean at starlabs.systems>
---
 MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h    | 3 ++-
 MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.inf  | 4 ++++
 MdeModulePkg/Library/BrotliCustomDecompressLib/brotli | 2 +-
 MdeModulePkg/MdeModulePkg.dec                         | 4 ++++
 MdeModulePkg/MdeModulePkg.uni                         | 4 ++++
 5 files changed, 15 insertions(+), 2 deletions(-)

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..a9d05736d7 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.IA32,Pcd.X64]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSdMmcGenericTimeoutValue		## CONSUMES
diff --git a/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli b/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli
index f4153a09f8..666c3280cc 160000
--- a/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli
+++ b/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli
@@ -1 +1 @@
-Subproject commit f4153a09f87cbb9c826d8fc12c74642bb2d879ea
+Subproject commit 666c3280cc11dc433c303d79a83d4ffbdd12cc8d
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



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