diff options
Diffstat (limited to 'Platform/Marvell/Drivers/SdMmc')
6 files changed, 48 insertions, 28 deletions
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c index 4d4833fb58..530a01ccdc 100755 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c @@ -705,7 +705,7 @@ EmmcSwitchClockFreq ( //
// Convert the clock freq unit from MHz to KHz.
//
- Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, Private->Capability[Slot]);
+ Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, Private->BaseClkFreq[Slot]);
return Status;
}
@@ -1007,7 +1007,7 @@ EmmcSetBusMode ( return Status;
}
- ASSERT (Private->Capability[Slot].BaseClkFreq != 0);
+ ASSERT (Private->BaseClkFreq[Slot] != 0);
//
// Check if the Host Controller support 8bits bus width.
//
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c index 9122848021..ea7eed717f 100644 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c @@ -972,7 +972,7 @@ SdCardSetBusMode ( return Status;
}
- Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, *Capability);
+ Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, Private->BaseClkFreq[Slot]);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1144,7 +1144,7 @@ SdCardIdentification ( goto Error;
}
- SdMmcHcInitClockFreq (PciIo, Slot, Private->Capability[Slot]);
+ SdMmcHcInitClockFreq (PciIo, Slot, Private->BaseClkFreq[Slot]);
gBS->Stall (1000);
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c index 981eab58ec..80159a4f5d 100644 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c @@ -291,7 +291,10 @@ SdMmcPciHcEnumerateDevice ( //
// Reinitialize slot and restart identification process for the new attached device
//
- Status = SdMmcHcInitHost (Private->PciIo, Slot, Private->Capability[Slot]);
+ Status = SdMmcHcInitHost (Private->PciIo,
+ Slot,
+ Private->Capability[Slot],
+ Private->BaseClkFreq[Slot]);
if (EFI_ERROR (Status)) {
continue;
}
@@ -617,11 +620,13 @@ SdMmcPciHcDriverBindingStart ( Private->Capability[Slot].Sdr50 = 0;
Private->Capability[Slot].BusWidth8 = 0;
- if (Private->Capability[Slot].BaseClkFreq == 0) {
- Private->Capability[Slot].BaseClkFreq = 0xff;
- }
+ //
+ // Override inappropriate base clock frequency from Capabilities Register 1.
+ // Actual clock speed of Xenon controller is 400MHz.
+ //
+ Private->BaseClkFreq[Slot] = XENON_MMC_MAX_CLK / 1000 / 1000;
- DumpCapabilityReg (Slot, &Private->Capability[Slot]);
+ DumpCapabilityReg (Slot, &Private->Capability[Slot], Private->BaseClkFreq[Slot]);
Status = SdMmcHcGetMaxCurrent (PciIo, Slot, &Private->MaxCurrent[Slot]);
if (EFI_ERROR (Status)) {
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h index 6a2a279699..067b9acf61 100644 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h @@ -115,6 +115,12 @@ typedef struct { UINT64 MaxCurrent[SD_MMC_HC_MAX_SLOT];
UINT32 ControllerVersion;
+
+ //
+ // Some controllers may require to override base clock frequency
+ // value stored in Capabilities Register 1.
+ //
+ UINT32 BaseClkFreq[SD_MMC_HC_MAX_SLOT];
} SD_MMC_HC_PRIVATE_DATA;
#define SD_MMC_HC_TRB_SIG SIGNATURE_32 ('T', 'R', 'B', 'T')
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c index ccbf355016..1f4abd18a6 100644 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c @@ -22,12 +22,14 @@ @param[in] Slot The slot number of the SD card to send the command to.
@param[in] Capability The buffer to store the capability data.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
**/
VOID
DumpCapabilityReg (
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP *Capability
+ IN SD_MMC_HC_SLOT_CAP *Capability,
+ IN UINT32 BaseClkFreq
)
{
//
@@ -35,7 +37,10 @@ DumpCapabilityReg ( //
DEBUG ((DEBUG_INFO, " == Slot [%d] Capability is 0x%x ==\n", Slot, Capability));
DEBUG ((DEBUG_INFO, " Timeout Clk Freq %d%a\n", Capability->TimeoutFreq, (Capability->TimeoutUnit) ? "MHz" : "KHz"));
- DEBUG ((DEBUG_INFO, " Base Clk Freq %dMHz\n", Capability->BaseClkFreq));
+ if (Capability->BaseClkFreq != BaseClkFreq) {
+ DEBUG ((DEBUG_INFO, " Controller register value overriden:\n"));
+ }
+ DEBUG ((DEBUG_INFO, " Base Clk Freq %dMHz\n", BaseClkFreq));
DEBUG ((DEBUG_INFO, " Max Blk Len %dbytes\n", 512 * (1 << Capability->MaxBlkLen)));
DEBUG ((DEBUG_INFO, " 8-bit Support %a\n", Capability->BusWidth8 ? "TRUE" : "FALSE"));
DEBUG ((DEBUG_INFO, " ADMA2 Support %a\n", Capability->Adma2 ? "TRUE" : "FALSE"));
@@ -678,7 +683,7 @@ SdMmcHcStopClock ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
@param[in] ClockFreq The max clock frequency to be set. The unit is KHz.
- @param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The clock is supplied successfully.
@retval Others The clock isn't supplied successfully.
@@ -689,11 +694,10 @@ SdMmcHcClockSupply ( IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
IN UINT64 ClockFreq,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN UINT32 BaseClkFreq
)
{
EFI_STATUS Status;
- UINT32 BaseClkFreq;
UINT32 SettingFreq;
UINT32 Divisor;
UINT32 Remainder;
@@ -703,9 +707,8 @@ SdMmcHcClockSupply ( //
// Calculate a divisor for SD clock frequency
//
- ASSERT (Capability.BaseClkFreq != 0);
+ ASSERT (BaseClkFreq != 0);
- BaseClkFreq = Capability.BaseClkFreq;
if (ClockFreq == 0) {
return EFI_INVALID_PARAMETER;
}
@@ -896,7 +899,7 @@ SdMmcHcSetBusWidth ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The clock is supplied successfully.
@retval Others The clock isn't supplied successfully.
@@ -906,7 +909,7 @@ EFI_STATUS SdMmcHcInitClockFreq (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN UINT32 BaseClkFreq
)
{
EFI_STATUS Status;
@@ -915,7 +918,7 @@ SdMmcHcInitClockFreq ( //
// Calculate a divisor for SD clock frequency
//
- if (Capability.BaseClkFreq == 0) {
+ if (BaseClkFreq == 0) {
//
// Don't support get Base Clock Frequency information via another method
//
@@ -925,7 +928,7 @@ SdMmcHcInitClockFreq ( // Supply 400KHz clock frequency at initialization phase.
//
InitFreq = 400;
- Status = SdMmcHcClockSupply (PciIo, Slot, InitFreq, Capability);
+ Status = SdMmcHcClockSupply (PciIo, Slot, InitFreq, BaseClkFreq);
return Status;
}
@@ -1024,6 +1027,7 @@ SdMmcHcInitTimeoutCtrl ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
@param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The host controller is initialized successfully.
@retval Others The host controller isn't initialized successfully.
@@ -1033,12 +1037,13 @@ EFI_STATUS SdMmcHcInitHost (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN SD_MMC_HC_SLOT_CAP Capability,
+ IN UINT32 BaseClkFreq
)
{
EFI_STATUS Status;
- Status = SdMmcHcInitClockFreq (PciIo, Slot, Capability);
+ Status = SdMmcHcInitClockFreq (PciIo, Slot, BaseClkFreq);
if (EFI_ERROR (Status)) {
return Status;
}
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h index fb62758602..533f37c79f 100644 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h @@ -140,12 +140,14 @@ typedef struct { @param[in] Slot The slot number of the SD card to send the command to.
@param[in] Capability The buffer to store the capability data.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
**/
VOID
DumpCapabilityReg (
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP *Capability
+ IN SD_MMC_HC_SLOT_CAP *Capability,
+ IN UINT32 BaseClkFreq
);
/**
@@ -414,7 +416,7 @@ SdMmcHcStopClock ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
@param[in] ClockFreq The max clock frequency to be set. The unit is KHz.
- @param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The clock is supplied successfully.
@retval Others The clock isn't supplied successfully.
@@ -425,7 +427,7 @@ SdMmcHcClockSupply ( IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
IN UINT64 ClockFreq,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN UINT32 BaseClkFreq
);
/**
@@ -473,7 +475,7 @@ SdMmcHcSetBusWidth ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The clock is supplied successfully.
@retval Others The clock isn't supplied successfully.
@@ -483,7 +485,7 @@ EFI_STATUS SdMmcHcInitClockFreq (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN UINT32 BaseClkFreq
);
/**
@@ -531,6 +533,7 @@ SdMmcHcInitTimeoutCtrl ( @param[in] PciIo The PCI IO protocol instance.
@param[in] Slot The slot number of the SD card to send the command to.
@param[in] Capability The capability of the slot.
+ @param[in] BaseClkFreq The base clock frequency of host controller in MHz.
@retval EFI_SUCCESS The host controller is initialized successfully.
@retval Others The host controller isn't initialized successfully.
@@ -540,7 +543,8 @@ EFI_STATUS SdMmcHcInitHost (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Slot,
- IN SD_MMC_HC_SLOT_CAP Capability
+ IN SD_MMC_HC_SLOT_CAP Capability,
+ IN UINT32 BaseClkFreq
);
#endif
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