MdeModulePkg/SdMmcPciHcDxe: Allow overriding base clock frequency

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

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
index c683600f2ef262642f51cbdf2a73c37bd104761f..8c1a58907839b16c2e8fd1036dad84ef270e7d03 100644 (file)
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
@@ -118,6 +118,12 @@ typedef struct {
   UINT64                              MaxCurrent[SD_MMC_HC_MAX_SLOT];\r
 \r
   UINT32                              ControllerVersion;\r
+\r
+  //\r
+  // Some controllers may require to override base clock frequency\r
+  // value stored in Capabilities Register 1.\r
+  //\r
+  UINT32                              BaseClkFreq[SD_MMC_HC_MAX_SLOT];\r
 } SD_MMC_HC_PRIVATE_DATA;\r
 \r
 #define SD_MMC_HC_TRB_SIG             SIGNATURE_32 ('T', 'R', 'B', 'T')\r