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MdeModulePkg/SdMmcPciHcDxe: Robust improvements for SD card 1.8V switch
authorAiman Rosli <muhammad.aiman.rosli@intel.com>
Thu, 20 Jan 2022 18:53:24 +0000 (02:53 +0800)
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Mon, 24 Jan 2022 01:52:35 +0000 (01:52 +0000)
commit7e5c603cba0823fd97456984f4cfc21c4c831b52
tree7b828b8fd9675b214558184f70a5f2ccecc008d5tree
parent21320ef66989f8af5a9e9b57df73d20a70bea85fcommit | diff
MdeModulePkg/SdMmcPciHcDxe: Robust improvements for SD card 1.8V switch

This changes is by adding 50ms delay during voltage switching from 3.3V to
1.8V, plus adding a goto Voltage33Retry for 3.3V checking and retrying.

Change is for Enabling OS boot from SD card through UEFI payload.

Signed-off-by: Aiman Rosli <muhammad.aiman.rosli@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c diff | blob | blame | history
EFI Development Kit II mirror for PVE