diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c | 435 |
1 files changed, 229 insertions, 206 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c index 8b5f8e8ee7..a392a4e31a 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c @@ -24,14 +24,14 @@ **/
EFI_STATUS
EmmcReset (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -41,9 +41,9 @@ EmmcReset ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_GO_IDLE_STATE;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;
- SdMmcCmdBlk.ResponseType = 0;
+ SdMmcCmdBlk.CommandIndex = EMMC_GO_IDLE_STATE;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;
+ SdMmcCmdBlk.ResponseType = 0;
SdMmcCmdBlk.CommandArgument = 0;
gBS->Stall (1000);
@@ -74,10 +74,10 @@ EmmcGetOcr ( IN OUT UINT32 *Argument
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -87,9 +87,9 @@ EmmcGetOcr ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SEND_OP_COND;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;
+ SdMmcCmdBlk.CommandIndex = EMMC_SEND_OP_COND;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;
SdMmcCmdBlk.CommandArgument = *Argument;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -118,14 +118,14 @@ EmmcGetOcr ( **/
EFI_STATUS
EmmcGetAllCid (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -135,9 +135,9 @@ EmmcGetAllCid ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_ALL_SEND_CID;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
+ SdMmcCmdBlk.CommandIndex = EMMC_ALL_SEND_CID;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
SdMmcCmdBlk.CommandArgument = 0;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -161,15 +161,15 @@ EmmcGetAllCid ( **/
EFI_STATUS
EmmcSetRca (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -179,9 +179,9 @@ EmmcSetRca ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SET_RELATIVE_ADDR;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandIndex = EMMC_SET_RELATIVE_ADDR;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -211,13 +211,13 @@ EmmcGetCsd ( IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
IN UINT8 Slot,
IN UINT16 Rca,
- OUT EMMC_CSD *Csd
+ OUT EMMC_CSD *Csd
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -227,9 +227,9 @@ EmmcGetCsd ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SEND_CSD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
+ SdMmcCmdBlk.CommandIndex = EMMC_SEND_CSD;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -237,7 +237,7 @@ EmmcGetCsd ( //
// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
//
- CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (EMMC_CSD) - 1);
+ CopyMem (((UINT8 *)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (EMMC_CSD) - 1);
}
return Status;
@@ -258,15 +258,15 @@ EmmcGetCsd ( **/
EFI_STATUS
EmmcSelect (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -276,9 +276,9 @@ EmmcSelect ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SELECT_DESELECT_CARD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandIndex = EMMC_SELECT_DESELECT_CARD;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -303,13 +303,13 @@ EFI_STATUS EmmcGetExtCsd (
IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
IN UINT8 Slot,
- OUT EMMC_EXT_CSD *ExtCsd
+ OUT EMMC_EXT_CSD *ExtCsd
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -319,9 +319,9 @@ EmmcGetExtCsd ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SEND_EXT_CSD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandIndex = EMMC_SEND_EXT_CSD;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = 0x00000000;
Packet.InDataBuffer = ExtCsd;
@@ -350,18 +350,18 @@ EmmcGetExtCsd ( **/
EFI_STATUS
EmmcSwitch (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT8 Access,
- IN UINT8 Index,
- IN UINT8 Value,
- IN UINT8 CmdSet
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT8 Access,
+ IN UINT8 Index,
+ IN UINT8 Value,
+ IN UINT8 CmdSet
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -371,9 +371,9 @@ EmmcSwitch ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SWITCH;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
+ SdMmcCmdBlk.CommandIndex = EMMC_SWITCH;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
SdMmcCmdBlk.CommandArgument = (Access << 24) | (Index << 16) | (Value << 8) | CmdSet;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -400,13 +400,13 @@ EmmcSendStatus ( IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
IN UINT8 Slot,
IN UINT16 Rca,
- OUT UINT32 *DevStatus
+ OUT UINT32 *DevStatus
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -416,9 +416,9 @@ EmmcSendStatus ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SEND_STATUS;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandIndex = EMMC_SEND_STATUS;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
@@ -447,16 +447,16 @@ EmmcSendStatus ( **/
EFI_STATUS
EmmcSendTuningBlk (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT8 BusWidth
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT8 BusWidth
)
{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT8 TuningBlock[128];
+ EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
+ EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_STATUS Status;
+ UINT8 TuningBlock[128];
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
@@ -466,9 +466,9 @@ EmmcSendTuningBlk ( Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
- SdMmcCmdBlk.CommandIndex = EMMC_SEND_TUNING_BLOCK;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandIndex = EMMC_SEND_TUNING_BLOCK;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = 0;
Packet.InDataBuffer = TuningBlock;
@@ -503,24 +503,25 @@ EmmcSendTuningBlk ( **/
EFI_STATUS
EmmcTuningClkForHs200 (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT8 BusWidth
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT8 BusWidth
)
{
- EFI_STATUS Status;
- UINT8 HostCtrl2;
- UINT8 Retry;
+ EFI_STATUS Status;
+ UINT8 HostCtrl2;
+ UINT8 Retry;
//
// Notify the host that the sampling clock tuning procedure starts.
//
HostCtrl2 = BIT6;
- Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
if (EFI_ERROR (Status)) {
return Status;
}
+
//
// Ask the device to send a sequence of tuning blocks till the tuning procedure is done.
//
@@ -550,11 +551,12 @@ EmmcTuningClkForHs200 ( //
// Abort the tuning procedure and reset the tuning circuit.
//
- HostCtrl2 = (UINT8)~(BIT6 | BIT7);
- Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ HostCtrl2 = (UINT8) ~(BIT6 | BIT7);
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
if (EFI_ERROR (Status)) {
return Status;
}
+
return EFI_DEVICE_ERROR;
}
@@ -615,19 +617,19 @@ EmmcCheckSwitchStatus ( **/
EFI_STATUS
EmmcSwitchBusWidth (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN BOOLEAN IsDdr,
- IN UINT8 BusWidth
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN BOOLEAN IsDdr,
+ IN UINT8 BusWidth
)
{
- EFI_STATUS Status;
- UINT8 Access;
- UINT8 Index;
- UINT8 Value;
- UINT8 CmdSet;
+ EFI_STATUS Status;
+ UINT8 Access;
+ UINT8 Index;
+ UINT8 Value;
+ UINT8 CmdSet;
//
// Write Byte, the Value field is written into the byte pointed by Index.
@@ -683,23 +685,23 @@ EmmcSwitchBusWidth ( **/
EFI_STATUS
EmmcSwitchBusTiming (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength,
- IN SD_MMC_BUS_MODE BusTiming,
- IN UINT32 ClockFreq
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength,
+ IN SD_MMC_BUS_MODE BusTiming,
+ IN UINT32 ClockFreq
)
{
- EFI_STATUS Status;
- UINT8 Access;
- UINT8 Index;
- UINT8 Value;
- UINT8 CmdSet;
- SD_MMC_HC_PRIVATE_DATA *Private;
- UINT8 HostCtrl1;
- BOOLEAN DelaySendStatus;
+ EFI_STATUS Status;
+ UINT8 Access;
+ UINT8 Index;
+ UINT8 Value;
+ UINT8 CmdSet;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ UINT8 HostCtrl1;
+ BOOLEAN DelaySendStatus;
Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
//
@@ -733,15 +735,15 @@ EmmcSwitchBusTiming ( return Status;
}
- if (BusTiming == SdMmcMmcHsSdr || BusTiming == SdMmcMmcHsDdr) {
+ if ((BusTiming == SdMmcMmcHsSdr) || (BusTiming == SdMmcMmcHsDdr)) {
HostCtrl1 = BIT2;
- Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
if (EFI_ERROR (Status)) {
return Status;
}
} else {
- HostCtrl1 = (UINT8)~BIT2;
- Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ HostCtrl1 = (UINT8) ~BIT2;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -767,6 +769,7 @@ EmmcSwitchBusTiming ( if (EFI_ERROR (Status)) {
return Status;
}
+
DelaySendStatus = FALSE;
} else {
DelaySendStatus = TRUE;
@@ -808,18 +811,19 @@ EmmcSwitchBusTiming ( **/
EFI_STATUS
EmmcSwitchToHighSpeed (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN SD_MMC_BUS_SETTINGS *BusMode
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN SD_MMC_BUS_SETTINGS *BusMode
)
{
EFI_STATUS Status;
BOOLEAN IsDdr;
- if ((BusMode->BusTiming != SdMmcMmcHsSdr && BusMode->BusTiming != SdMmcMmcHsDdr && BusMode->BusTiming != SdMmcMmcLegacy) ||
- BusMode->ClockFreq > 52) {
+ if (((BusMode->BusTiming != SdMmcMmcHsSdr) && (BusMode->BusTiming != SdMmcMmcHsDdr) && (BusMode->BusTiming != SdMmcMmcLegacy)) ||
+ (BusMode->ClockFreq > 52))
+ {
return EFI_INVALID_PARAMETER;
}
@@ -855,17 +859,18 @@ EmmcSwitchToHighSpeed ( **/
EFI_STATUS
EmmcSwitchToHS200 (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN SD_MMC_BUS_SETTINGS *BusMode
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN SD_MMC_BUS_SETTINGS *BusMode
)
{
EFI_STATUS Status;
- if (BusMode->BusTiming != SdMmcMmcHs200 ||
- (BusMode->BusWidth != 4 && BusMode->BusWidth != 8)) {
+ if ((BusMode->BusTiming != SdMmcMmcHs200) ||
+ ((BusMode->BusWidth != 4) && (BusMode->BusWidth != 8)))
+ {
return EFI_INVALID_PARAMETER;
}
@@ -902,25 +907,26 @@ EmmcSwitchToHS200 ( **/
EFI_STATUS
EmmcSwitchToHS400 (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN SD_MMC_BUS_SETTINGS *BusMode
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN SD_MMC_BUS_SETTINGS *BusMode
)
{
EFI_STATUS Status;
SD_MMC_BUS_SETTINGS Hs200BusMode;
UINT32 HsFreq;
- if (BusMode->BusTiming != SdMmcMmcHs400 ||
- BusMode->BusWidth != 8) {
+ if ((BusMode->BusTiming != SdMmcMmcHs400) ||
+ (BusMode->BusWidth != 8))
+ {
return EFI_INVALID_PARAMETER;
}
- Hs200BusMode.BusTiming = SdMmcMmcHs200;
- Hs200BusMode.BusWidth = BusMode->BusWidth;
- Hs200BusMode.ClockFreq = BusMode->ClockFreq;
+ Hs200BusMode.BusTiming = SdMmcMmcHs200;
+ Hs200BusMode.BusWidth = BusMode->BusWidth;
+ Hs200BusMode.ClockFreq = BusMode->ClockFreq;
Hs200BusMode.DriverStrength = BusMode->DriverStrength;
Status = EmmcSwitchToHS200 (PciIo, PassThru, Slot, Rca, &Hs200BusMode);
@@ -973,29 +979,34 @@ EmmcIsBusTimingSupported ( Supported = FALSE;
switch (BusTiming) {
case SdMmcMmcHs400:
- if ((((ExtCsd->DeviceType & (BIT6 | BIT7)) != 0) && (Capabilities->Hs400 != 0)) && Capabilities->BusWidth8 != 0) {
+ if ((((ExtCsd->DeviceType & (BIT6 | BIT7)) != 0) && (Capabilities->Hs400 != 0)) && (Capabilities->BusWidth8 != 0)) {
Supported = TRUE;
}
+
break;
case SdMmcMmcHs200:
if ((((ExtCsd->DeviceType & (BIT4 | BIT5)) != 0) && (Capabilities->Sdr104 != 0))) {
Supported = TRUE;
}
+
break;
case SdMmcMmcHsDdr:
if ((((ExtCsd->DeviceType & (BIT2 | BIT3)) != 0) && (Capabilities->Ddr50 != 0))) {
Supported = TRUE;
}
+
break;
case SdMmcMmcHsSdr:
if ((((ExtCsd->DeviceType & BIT1) != 0) && (Capabilities->HighSpeed != 0))) {
Supported = TRUE;
}
+
break;
case SdMmcMmcLegacy:
if ((ExtCsd->DeviceType & BIT0) != 0) {
Supported = TRUE;
}
+
break;
default:
ASSERT (FALSE);
@@ -1018,8 +1029,8 @@ EmmcIsBusTimingSupported ( SD_MMC_BUS_MODE
EmmcGetTargetBusTiming (
IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 SlotIndex,
- IN EMMC_EXT_CSD *ExtCsd
+ IN UINT8 SlotIndex,
+ IN EMMC_EXT_CSD *ExtCsd
)
{
SD_MMC_BUS_MODE BusTiming;
@@ -1033,6 +1044,7 @@ EmmcGetTargetBusTiming ( if (EmmcIsBusTimingSupported (Private, SlotIndex, ExtCsd, BusTiming)) {
break;
}
+
BusTiming--;
}
@@ -1052,17 +1064,17 @@ EmmcGetTargetBusTiming ( **/
BOOLEAN
EmmcIsBusWidthSupported (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 SlotIndex,
- IN SD_MMC_BUS_MODE BusTiming,
- IN UINT16 BusWidth
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 SlotIndex,
+ IN SD_MMC_BUS_MODE BusTiming,
+ IN UINT16 BusWidth
)
{
- if (BusWidth == 8 && Private->Capability[SlotIndex].BusWidth8 != 0) {
+ if ((BusWidth == 8) && (Private->Capability[SlotIndex].BusWidth8 != 0)) {
return TRUE;
- } else if (BusWidth == 4 && BusTiming != SdMmcMmcHs400) {
+ } else if ((BusWidth == 4) && (BusTiming != SdMmcMmcHs400)) {
return TRUE;
- } else if (BusWidth == 1 && (BusTiming == SdMmcMmcHsSdr || BusTiming == SdMmcMmcLegacy)) {
+ } else if ((BusWidth == 1) && ((BusTiming == SdMmcMmcHsSdr) || (BusTiming == SdMmcMmcLegacy))) {
return TRUE;
}
@@ -1081,10 +1093,10 @@ EmmcIsBusWidthSupported ( **/
UINT8
EmmcGetTargetBusWidth (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 SlotIndex,
- IN EMMC_EXT_CSD *ExtCsd,
- IN SD_MMC_BUS_MODE BusTiming
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 SlotIndex,
+ IN EMMC_EXT_CSD *ExtCsd,
+ IN SD_MMC_BUS_MODE BusTiming
)
{
UINT8 BusWidth;
@@ -1092,8 +1104,9 @@ EmmcGetTargetBusWidth ( PreferredBusWidth = Private->Slot[SlotIndex].OperatingParameters.BusWidth;
- if (PreferredBusWidth != EDKII_SD_MMC_BUS_WIDTH_IGNORE &&
- EmmcIsBusWidthSupported (Private, SlotIndex, BusTiming, PreferredBusWidth)) {
+ if ((PreferredBusWidth != EDKII_SD_MMC_BUS_WIDTH_IGNORE) &&
+ EmmcIsBusWidthSupported (Private, SlotIndex, BusTiming, PreferredBusWidth))
+ {
BusWidth = PreferredBusWidth;
} else if (EmmcIsBusWidthSupported (Private, SlotIndex, BusTiming, 8)) {
BusWidth = 8;
@@ -1118,14 +1131,14 @@ EmmcGetTargetBusWidth ( **/
UINT32
EmmcGetTargetClockFreq (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 SlotIndex,
- IN EMMC_EXT_CSD *ExtCsd,
- IN SD_MMC_BUS_MODE BusTiming
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 SlotIndex,
+ IN EMMC_EXT_CSD *ExtCsd,
+ IN SD_MMC_BUS_MODE BusTiming
)
{
- UINT32 PreferredClockFreq;
- UINT32 MaxClockFreq;
+ UINT32 PreferredClockFreq;
+ UINT32 MaxClockFreq;
PreferredClockFreq = Private->Slot[SlotIndex].OperatingParameters.ClockFreq;
@@ -1143,7 +1156,7 @@ EmmcGetTargetClockFreq ( break;
}
- if (PreferredClockFreq != EDKII_SD_MMC_CLOCK_FREQ_IGNORE && PreferredClockFreq < MaxClockFreq) {
+ if ((PreferredClockFreq != EDKII_SD_MMC_CLOCK_FREQ_IGNORE) && (PreferredClockFreq < MaxClockFreq)) {
return PreferredClockFreq;
} else {
return MaxClockFreq;
@@ -1162,20 +1175,21 @@ EmmcGetTargetClockFreq ( **/
EDKII_SD_MMC_DRIVER_STRENGTH
EmmcGetTargetDriverStrength (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 SlotIndex,
- IN EMMC_EXT_CSD *ExtCsd,
- IN SD_MMC_BUS_MODE BusTiming
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 SlotIndex,
+ IN EMMC_EXT_CSD *ExtCsd,
+ IN SD_MMC_BUS_MODE BusTiming
)
{
EDKII_SD_MMC_DRIVER_STRENGTH PreferredDriverStrength;
EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength;
PreferredDriverStrength = Private->Slot[SlotIndex].OperatingParameters.DriverStrength;
- DriverStrength.Emmc = EmmcDriverStrengthType0;
+ DriverStrength.Emmc = EmmcDriverStrengthType0;
- if (PreferredDriverStrength.Emmc != EDKII_SD_MMC_DRIVER_STRENGTH_IGNORE &&
- (ExtCsd->DriverStrength & (BIT0 << PreferredDriverStrength.Emmc))) {
+ if ((PreferredDriverStrength.Emmc != EDKII_SD_MMC_DRIVER_STRENGTH_IGNORE) &&
+ (ExtCsd->DriverStrength & (BIT0 << PreferredDriverStrength.Emmc)))
+ {
DriverStrength.Emmc = PreferredDriverStrength.Emmc;
}
@@ -1198,9 +1212,9 @@ EmmcGetTargetBusMode ( OUT SD_MMC_BUS_SETTINGS *BusMode
)
{
- BusMode->BusTiming = EmmcGetTargetBusTiming (Private, SlotIndex, ExtCsd);
- BusMode->BusWidth = EmmcGetTargetBusWidth (Private, SlotIndex, ExtCsd, BusMode->BusTiming);
- BusMode->ClockFreq = EmmcGetTargetClockFreq (Private, SlotIndex, ExtCsd, BusMode->BusTiming);
+ BusMode->BusTiming = EmmcGetTargetBusTiming (Private, SlotIndex, ExtCsd);
+ BusMode->BusWidth = EmmcGetTargetBusWidth (Private, SlotIndex, ExtCsd, BusMode->BusTiming);
+ BusMode->ClockFreq = EmmcGetTargetClockFreq (Private, SlotIndex, ExtCsd, BusMode->BusTiming);
BusMode->DriverStrength = EmmcGetTargetDriverStrength (Private, SlotIndex, ExtCsd, BusMode->BusTiming);
}
@@ -1221,17 +1235,17 @@ EmmcGetTargetBusMode ( **/
EFI_STATUS
EmmcSetBusMode (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca
)
{
- EFI_STATUS Status;
- EMMC_CSD Csd;
- EMMC_EXT_CSD ExtCsd;
- SD_MMC_BUS_SETTINGS BusMode;
- SD_MMC_HC_PRIVATE_DATA *Private;
+ EFI_STATUS Status;
+ EMMC_CSD Csd;
+ EMMC_EXT_CSD ExtCsd;
+ SD_MMC_BUS_SETTINGS BusMode;
+ SD_MMC_HC_PRIVATE_DATA *Private;
Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
@@ -1260,8 +1274,14 @@ EmmcSetBusMode ( EmmcGetTargetBusMode (Private, Slot, &ExtCsd, &BusMode);
- DEBUG ((DEBUG_INFO, "EmmcSetBusMode: Target bus mode: timing = %d, width = %d, clock freq = %d, driver strength = %d\n",
- BusMode.BusTiming, BusMode.BusWidth, BusMode.ClockFreq, BusMode.DriverStrength.Emmc));
+ DEBUG ((
+ DEBUG_INFO,
+ "EmmcSetBusMode: Target bus mode: timing = %d, width = %d, clock freq = %d, driver strength = %d\n",
+ BusMode.BusTiming,
+ BusMode.BusWidth,
+ BusMode.ClockFreq,
+ BusMode.DriverStrength.Emmc
+ ));
if (BusMode.BusTiming == SdMmcMmcHs400) {
Status = EmmcSwitchToHS400 (PciIo, PassThru, Slot, Rca, &BusMode);
@@ -1296,8 +1316,8 @@ EmmcSetBusMode ( **/
EFI_STATUS
EmmcIdentification (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 Slot
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot
)
{
EFI_STATUS Status;
@@ -1324,13 +1344,15 @@ EmmcIdentification ( DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd1 fails with %r\n", Status));
return Status;
}
+
Ocr |= BIT30;
if (Retry++ == 100) {
DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd1 fails too many times\n"));
return EFI_DEVICE_ERROR;
}
- gBS->Stall(10 * 1000);
+
+ gBS->Stall (10 * 1000);
} while ((Ocr & BIT31) == 0);
Status = EmmcGetAllCid (PassThru, Slot);
@@ -1338,6 +1360,7 @@ EmmcIdentification ( DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd2 fails with %r\n", Status));
return Status;
}
+
//
// Slot starts from 0 and valid RCA starts from 1.
// Here we takes a simple formula to calculate the RCA.
@@ -1350,6 +1373,7 @@ EmmcIdentification ( DEBUG ((DEBUG_ERROR, "EmmcIdentification: Executing Cmd3 fails with %r\n", Status));
return Status;
}
+
//
// Enter Data Tranfer Mode.
//
@@ -1360,4 +1384,3 @@ EmmcIdentification ( return Status;
}
-
|