From: Joe Zhou <shjz...@marvell.com> This delay is necessary for eMMC reset to working properly.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Joe Zhou <shjz...@marvell.com> Signed-off-by: Marcin Wojtas <m...@semihalf.com> --- MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c index ee53145..d4bf2ea 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c @@ -11,6 +11,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ +#include <Library/TimerLib.h> #include "SdMmcPciHcDxe.h" @@ -51,6 +52,8 @@ EmmcReset ( SdMmcCmdBlk.ResponseType = 0; SdMmcCmdBlk.CommandArgument = 0; + gBS->Stall (1000); + Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL); return Status; -- 1.8.3.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
