From: "Loh, Tien Hock" <tien.hock....@intel.com> If SD doesn't support SD_HIGH_SPEED, function should still continue to setup SD to go into 4 bits more if it is supported.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Loh Tien Hock <tien.hock....@intel.com> --- EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c index f661a0c..8fd5c31 100755 --- a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c @@ -474,18 +474,17 @@ InitializeSdMmcDevice ( if (!(Buffer[3] & SD_HIGH_SPEED_SUPPORTED)) { DEBUG ((DEBUG_ERROR, "%a : High Speed not supported by Card %r\n", __FUNCTION__, Status)); - return Status; } + else { + Speed = SD_HIGH_SPEED; - Speed = SD_HIGH_SPEED; - - /* SD Switch, Mode:1, Group:0, Value:1 */ - CmdArg = CreateSwitchCmdArgument(1, 0, 1); - Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg); - if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status)); - return Status; - } else { + /* SD Switch, Mode:1, Group:0, Value:1 */ + CmdArg = CreateSwitchCmdArgument(1, 0, 1); + Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status)); + return Status; + } else { Status = MmcHost->ReadBlockData (MmcHost, 0, SWITCH_CMD_DATA_LENGTH, Buffer); if (EFI_ERROR (Status)) { DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): ReadBlockData Error and Status = %r\n", __FUNCTION__, Status)); @@ -495,6 +494,7 @@ InitializeSdMmcDevice ( if ((Buffer[4] & SWITCH_CMD_SUCCESS_MASK) != 0x01000000) { DEBUG((DEBUG_ERROR, "Problem switching SD card into high-speed mode\n")); return Status; + } } } } -- 2.2.2 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel