MdeModulePkg/SdMmcPciHcDxe: Robust improvements for SD card 1.8V switch #2438
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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>
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Patch sent at: https://edk2.groups.io/g/devel/message/85880
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