From: "Tien Hock, Loh" <[email protected]> Send command when MMC ask for response in DwEmmcReceiveResponse, and command is a pending command (eg. DMA needs to be set up first)
Signed-off-by: "Tien Hock, Loh" <[email protected]> Cc: Leif Lindholm <[email protected]> Cc: Ard Biesheuvel <[email protected]> --- EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c index fd3a5bf685..c44e310c04 100644 --- a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c +++ b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c @@ -400,6 +400,8 @@ DwEmmcSendCommand ( mDwEmmcCommand = Cmd; mDwEmmcArgument = Argument; } else { + mDwEmmcCommand = Cmd; + mDwEmmcArgument = Argument; Status = SendCommand (Cmd, Argument); } return Status; @@ -412,10 +414,15 @@ DwEmmcReceiveResponse ( IN UINT32* Buffer ) { + EFI_STATUS Status = EFI_SUCCESS; + if (Buffer == NULL) { return EFI_INVALID_PARAMETER; } + if(IsPendingReadCommand (mDwEmmcCommand) || IsPendingWriteCommand(mDwEmmcCommand)) + Status = SendCommand (mDwEmmcCommand, mDwEmmcArgument); + if ( (Type == MMC_RESPONSE_TYPE_R1) || (Type == MMC_RESPONSE_TYPE_R1b) || (Type == MMC_RESPONSE_TYPE_R3) @@ -429,7 +436,7 @@ DwEmmcReceiveResponse ( Buffer[2] = MmioRead32 (DWEMMC_RESP2); Buffer[3] = MmioRead32 (DWEMMC_RESP3); } - return EFI_SUCCESS; + return Status; } VOID -- 2.19.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#41411): https://edk2.groups.io/g/devel/message/41411 Mute This Topic: https://groups.io/mt/31807962/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
