From b429959bb6732380a3747eff4ba3936a2c37600d Mon Sep 17 00:00:00 2001
From: Sean Rhodes <sean@starlabs.systems>
Date: Thu, 24 Feb 2022 00:58:51 -0700
Subject: MdeModulePkg/SdMmcPciHcDxe: Make timeout for SD card configurable

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>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
---
 MdeModulePkg/MdeModulePkg.dec | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'MdeModulePkg/MdeModulePkg.dec')

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.
-- 
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