diff options
Diffstat (limited to 'EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c')
-rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c index c28207e2a2..7f74c54696 100644 --- a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c @@ -13,6 +13,7 @@ **/
#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
#include <Library/TimerLib.h>
#include "Mmc.h"
@@ -210,15 +211,19 @@ EmmcIdentificationMode ( }
// Fetch ECSD
+ MmcHostInstance->CardInfo.ECSDData = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (ECSD)));
+ if (MmcHostInstance->CardInfo.ECSDData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
Status = Host->SendCommand (Host, MMC_CMD8, 0);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));
}
- Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)&(MmcHostInstance->CardInfo.ECSDData));
+ Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)MmcHostInstance->CardInfo.ECSDData);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));
- return Status;
+ goto FreePageExit;
}
// Make sure device exiting data mode
@@ -226,7 +231,7 @@ EmmcIdentificationMode ( Status = EmmcGetDeviceState (MmcHostInstance, &State);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to get device state, Status=%r.\n", Status));
- return Status;
+ goto FreePageExit;
}
} while (State == EMMC_DATA_STATE);
@@ -237,12 +242,16 @@ EmmcIdentificationMode ( Media->LogicalBlocksPerPhysicalBlock = 1;
Media->IoAlign = 4;
// Compute last block using bits [215:212] of the ECSD
- Media->LastBlock = MmcHostInstance->CardInfo.ECSDData.SECTOR_COUNT - 1; // eMMC isn't supposed to report this for
+ Media->LastBlock = MmcHostInstance->CardInfo.ECSDData->SECTOR_COUNT - 1; // eMMC isn't supposed to report this for
// Cards <2GB in size, but the model does.
// Setup card type
MmcHostInstance->CardInfo.CardType = EMMC_CARD;
return EFI_SUCCESS;
+
+FreePageExit:
+ FreePages (MmcHostInstance->CardInfo.ECSDData, EFI_SIZE_TO_PAGES (sizeof (ECSD)));
+ return Status;
}
STATIC
@@ -258,7 +267,7 @@ InitializeEmmcDevice ( UINT32 TimingMode[4] = {EMMCHS52DDR1V2, EMMCHS52DDR1V8, EMMCHS52, EMMCHS26};
Host = MmcHostInstance->MmcHost;
- ECSDData = &MmcHostInstance->CardInfo.ECSDData;
+ ECSDData = MmcHostInstance->CardInfo.ECSDData;
if (ECSDData->DEVICE_TYPE == EMMCBACKWARD)
return EFI_SUCCESS;
|