MdeModulePkg/SdMmcPciHcDxe: Make timeout for SD card configurable

[mirror_edk2.git] / MdeModulePkg / MdeModulePkg.dec

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 463e889e9a688799cf8ee3bffa1ef679925e5dda..40601c95832b8be23e5519e53e98c135caf4e943 100644 (file)
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -1559,6 +1559,10 @@
   # @Prompt Maximum permitted FwVol section nesting depth (exclusive).\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdFwVolDxeMaxEncapsulationDepth|0x10|UINT32|0x00000030\r
 \r
+  ## Indicates the default timeout value for SD/MMC Host Controller operations in microseconds.\r
+  # @Prompt SD/MMC Host Controller Operations Timeout (us).\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSdMmcGenericTimeoutValue|1000000|UINT32|0x00000031\r
+\r
 [PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]\r
   ## This PCD defines the Console output row. The default value is 25 according to UEFI spec.\r
   #  This PCD could be set to 0 then console output would be at max column and max row.\r