diff options
Diffstat (limited to 'Omap35xxPkg')
| -rwxr-xr-x | Omap35xxPkg/Include/Library/OmapDmaLib.h | 200 | ||||
| -rw-r--r-- | Omap35xxPkg/Include/Library/OmapLib.h | 7 | ||||
| -rwxr-xr-x | Omap35xxPkg/Include/Omap3530/Omap3530Dma.h | 32 | ||||
| -rw-r--r-- | Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h | 3 | ||||
| -rwxr-xr-x | Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.c | 348 | ||||
| -rwxr-xr-x | Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.inf | 48 | ||||
| -rw-r--r-- | Omap35xxPkg/MMCHSDxe/MMCHS.c | 244 | ||||
| -rw-r--r-- | Omap35xxPkg/MMCHSDxe/MMCHS.h | 4 | ||||
| -rw-r--r-- | Omap35xxPkg/MMCHSDxe/MMCHS.inf | 1 | ||||
| -rw-r--r-- | Omap35xxPkg/Omap35xxPkg.dec | 10 | ||||
| -rw-r--r-- | Omap35xxPkg/Omap35xxPkg.dsc | 2 | ||||
| -rw-r--r-- | Omap35xxPkg/PciEmulation/PciEmulation.c | 95 | ||||
| -rw-r--r-- | Omap35xxPkg/PciEmulation/PciEmulation.h | 22 | ||||
| -rw-r--r-- | Omap35xxPkg/PciEmulation/PciEmulation.inf | 4 |
14 files changed, 841 insertions, 179 deletions
diff --git a/Omap35xxPkg/Include/Library/OmapDmaLib.h b/Omap35xxPkg/Include/Library/OmapDmaLib.h new file mode 100755 index 0000000000..9c60d44ee5 --- /dev/null +++ b/Omap35xxPkg/Include/Library/OmapDmaLib.h @@ -0,0 +1,200 @@ +/** @file + + Abstractions for simple OMAP DMA. The DMA functions are modeled on + the PCI IO protocol and follow the same rules as outlined in the UEFI specification. + OMAP_DMA4 structure elements are described in the OMAP35xx TRM. Currently + there is no PCI'less DMA protocol, if one existed it could be used to + replace this library. + + Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR> + + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __OMAP_DMA_LIB_H__ +#define __OMAP_DMA_LIB_H__ + +typedef enum {
+ ///
+ /// A read operation from system memory by a bus master.
+ ///
+ MapOperationBusMasterRead,
+ ///
+ /// A write operation from system memory by a bus master.
+ ///
+ MapOperationBusMasterWrite,
+ ///
+ /// Provides both read and write access to system memory by both the processor and a
+ /// bus master. The buffer is coherent from both the processor's and the bus master's point of view.
+ ///
+ MapOperationBusMasterCommonBuffer,
+ MapOperationMaximum
+} DMA_MAP_OPERATION;
+ + +// Example from DMA chapter of the OMAP35xx spec +typedef struct {
+ UINT8 DataType; // DMA4_CSDPi[1:0]
+ UINT8 ReadPortAccessType; // DMA4_CSDPi[8:7]
+ UINT8 WritePortAccessType; // DMA4_CSDPi[15:14]
+ UINT8 SourceEndiansim; // DMA4_CSDPi[21]
+ UINT8 DestinationEndianism; // DMA4_CSDPi[19]
+ UINT8 WriteMode; // DMA4_CSDPi[17:16]
+ UINT8 SourcePacked; // DMA4_CSDPi[6]
+ UINT8 DestinationPacked; // DMA4_CSDPi[13]
+ UINT32 NumberOfElementPerFrame; // DMA4_CENi
+ UINT32 NumberOfFramePerTransferBlock; // DMA4_CFNi
+ UINT32 SourceStartAddress; // DMA4_CSSAi
+ UINT32 DestinationStartAddress; // DMA4_CDSAi
+ UINT32 SourceElementIndex; // DMA4_CSEi
+ UINT32 SourceFrameIndex; // DMA4_CSFi
+ UINT32 DestinationElementIndex; // DMA4_CDEi
+ UINT32 DestinationFrameIndex; // DMA4_CDFi
+ UINT8 ReadPortAccessMode; // DMA4_CCRi[13:12]
+ UINT8 WritePortAccessMode; // DMA4_CCRi[15:14]
+ UINT8 ReadPriority; // DMA4_CCRi[6]
+ UINT8 WritePriority; // DMA4_CCRi[23]
+ UINT8 ReadRequestNumber; // DMA4_CCRi[4:0]
+ UINT8 WriteRequestNumber; // DMA4_CCRi[20:19] +} OMAP_DMA4; + + +/**
+ Configure OMAP DMA Channel
+
+ @param Channel DMA Channel to configure
+ @param Dma4 Pointer to structure used to initialize DMA registers for the Channel
+
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
+ @retval EFI_INVALID_PARAMETER Channel is not valid
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested information.
+
+**/ +EFI_STATUS +EFIAPI +EnableDmaChannel ( + IN UINTN Channel, + IN OMAP_DMA4 *Dma4 + ); + +/**
+ Turn of DMA channel configured by EnableDma().
+
+ @param Channel DMA Channel to configure
+
+ @retval EFI_SUCCESS DMA hardware disabled
+ @retval EFI_INVALID_PARAMETER Channel is not valid
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested information.
+
+**/ +EFI_STATUS +EFIAPI +DisableDmaChannel ( + IN UINTN Channel + ); + + +/**
+ Provides the DMA controller-specific addresses needed to access system memory.
+
+ Operation is relative to the DMA bus master.
+
+ @param Operation Indicates if the bus master is going to read or write to system memory.
+ @param HostAddress The system memory address to map to the DMA controller.
+ @param NumberOfBytes On input the number of bytes to map. On output the number of bytes
+ that were mapped.
+ @param DeviceAddress The resulting map address for the bus master controller to use to
+ access the hosts HostAddress.
+ @param Mapping A resulting value to pass to Unmap().
+
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
+ @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
+
+**/ +EFI_STATUS +EFIAPI +DmaMap ( + IN DMA_MAP_OPERATION Operation, + IN VOID *HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
+ ); + + + + +/**
+ Completes the DmaMapBusMasterRead(), DmaMapBusMasterWrite(), or DmaMapBusMasterCommonBuffer()
+ operation and releases any corresponding resources.
+
+ @param Mapping The mapping value returned from DmaMap*().
+
+ @retval EFI_SUCCESS The range was unmapped.
+ @retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
+
+**/ +EFI_STATUS +EFIAPI +DmaUnmap ( + IN VOID *Mapping
+ ); + + +/**
+ Allocates pages that are suitable for an DmaMap() of type MapOperationBusMasterCommonBuffer.
+ mapping.
+
+ @param MemoryType The type of memory to allocate, EfiBootServicesData or
+ EfiRuntimeServicesData.
+ @param Pages The number of pages to allocate.
+ @param HostAddress A pointer to store the base system memory address of the
+ allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were allocated.
+ @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
+ MEMORY_WRITE_COMBINE and MEMORY_CACHED.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
+
+**/ +EFI_STATUS +EFIAPI +DmaAllocateBuffer ( + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages,
+ OUT VOID **HostAddress
+ );
+ + +/**
+ Frees memory that was allocated with DmaAllocateBuffer().
+
+ @param Pages The number of pages to free.
+ @param HostAddress The base system memory address of the allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were freed.
+ @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
+ was not allocated with DmaAllocateBuffer().
+
+**/
+EFI_STATUS +EFIAPI +DmaFreeBuffer ( + IN UINTN Pages,
+ IN VOID *HostAddress
+ );
+ + +#endif + diff --git a/Omap35xxPkg/Include/Library/OmapLib.h b/Omap35xxPkg/Include/Library/OmapLib.h index ae9aac100b..4192275157 100644 --- a/Omap35xxPkg/Include/Library/OmapLib.h +++ b/Omap35xxPkg/Include/Library/OmapLib.h @@ -1,6 +1,6 @@ /** @file - Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> + Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR> This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -16,24 +16,29 @@ #define __OMAPLIB_H__ UINT32 +EFIAPI GpioBase ( IN UINTN Port ); UINT32 +EFIAPI TimerBase ( IN UINTN Timer ); UINTN +EFIAPI InterruptVectorForTimer ( IN UINTN TImer ); UINT32 +EFIAPI UartBase ( IN UINTN Uart ); + #endif // __OMAPLIB_H__ diff --git a/Omap35xxPkg/Include/Omap3530/Omap3530Dma.h b/Omap35xxPkg/Include/Omap3530/Omap3530Dma.h index 927c6f2702..4e397d52e5 100755 --- a/Omap35xxPkg/Include/Omap3530/Omap3530Dma.h +++ b/Omap35xxPkg/Include/Omap3530/Omap3530Dma.h @@ -15,18 +15,24 @@ #ifndef __OMAP3530DMA_H__ #define __OMAP3530DMA_H__ -#define DMA4_IRQENABLE_L(_i) (0x48056018 + (0x4*(i))) - -#define DMA4_CCR(_i) (0x48056080 + (0x60*(i))) -#define DMA4_CICR(_i) (0x48056088 + (0x60*(i))) -#define DMA4_CSDP(_i) (0x48056090 + (0x60*(i))) -#define DMA4_CEN(_i) (0x48056094 + (0x60*(i))) -#define DMA4_CFN(_i) (0x48056098 + (0x60*(i))) -#define DMA4_CSSA(_i) (0x4805609c + (0x60*(i))) -#define DMA4_CDSA(_i) (0x480560a0 + (0x60*(i))) -#define DMA4_CSE(_i) (0x480560a4 + (0x60*(i))) -#define DMA4_CSF(_i) (0x480560a8 + (0x60*(i))) -#define DMA4_CDE(_i) (0x480560ac + (0x60*(i))) + +#define DMA4_MAX_CHANNEL 31 + +#define DMA4_IRQENABLE_L(_i) (0x48056018 + (0x4*(_i))) + +#define DMA4_CCR(_i) (0x48056080 + (0x60*(_i))) +#define DMA4_CICR(_i) (0x48056088 + (0x60*(_i))) +#define DMA4_CSDP(_i) (0x48056090 + (0x60*(_i))) +#define DMA4_CEN(_i) (0x48056094 + (0x60*(_i))) +#define DMA4_CFN(_i) (0x48056098 + (0x60*(_i))) +#define DMA4_CSSA(_i) (0x4805609c + (0x60*(_i))) +#define DMA4_CDSA(_i) (0x480560a0 + (0x60*(_i))) +#define DMA4_CSEI(_i) (0x480560a4 + (0x60*(_i))) +#define DMA4_CSFI(_i) (0x480560a8 + (0x60*(_i))) +#define DMA4_CDEI(_i) (0x480560ac + (0x60*(_i))) +#define DMA4_CDFI(_i) (0x480560b0 + (0x60*(_i))) + +#define DMA4_GCR (0x48056078) // Channel Source Destination parameters #define DMA4_CSDP_DATA_TYPE8 0 @@ -98,5 +104,7 @@ #define DMA4_CCR_CONST_FILL_ENABLE BIT16 #define DMA4_CCR_TRANSPARENT_COPY_ENABLE BIT17 +#define DMA4_CCR_SEL_SRC_DEST_SYNC_SOURCE BIT24 + #endif diff --git a/Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h b/Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h index d4abf305f0..1b3e734d6a 100644 --- a/Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h +++ b/Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h @@ -199,6 +199,9 @@ #define CMD24 (INDX(24) | DP_ENABLE | CICE_ENABLE | CCCE_ENABLE | RSP_TYPE_48BITS | DDIR_WRITE) #define CMD24_INT_EN (CERR_EN | CIE_EN | CCRC_EN | CC_EN | TC_EN | BWR_EN | CTO_EN | DTO_EN | DCRC_EN | DEB_EN | CEB_EN) +#define CMD25 (INDX(25) | DP_ENABLE | CICE_ENABLE | CCCE_ENABLE | RSP_TYPE_48BITS | MSBS_MULTBLK | DDIR_READ | BCE_ENABLE | DE_ENABLE) +#define CMD25_INT_EN (CERR_EN | CIE_EN | CCRC_EN | CC_EN | TC_EN | BRR_EN | CTO_EN | DTO_EN | DCRC_EN | DEB_EN | CEB_EN) + #define CMD55 (INDX(55) | CICE_ENABLE | CCCE_ENABLE | RSP_TYPE_48BITS) #define CMD55_INT_EN (CERR_EN | CIE_EN | CCRC_EN | CC_EN | CEB_EN | CTO_EN) diff --git a/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.c b/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.c new file mode 100755 index 0000000000..f979b9444a --- /dev/null +++ b/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.c @@ -0,0 +1,348 @@ +/** @file
+ OMAP35xx DMA abstractions modeled on PCI IO protocol. EnableDma()/DisableDma()
+ are from OMAP35xx TRM.
+
+ Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Base.h>
+#include <Library/DebugLib.h>
+#include <Library/OmapDmaLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UncachedMemoryAllocationLib.h>
+#include <Library/IoLib.h>
+#include <Omap3530/Omap3530.h>
+
+#include <Protocol/Cpu.h>
+
+typedef struct {
+ EFI_PHYSICAL_ADDRESS HostAddress;
+ EFI_PHYSICAL_ADDRESS DeviceAddress;
+ UINTN NumberOfBytes;
+ DMA_MAP_OPERATION Operation;
+} MAP_INFO_INSTANCE;
+
+
+
+EFI_CPU_ARCH_PROTOCOL *gCpu; +
+/**
+ Configure OMAP DMA Channel
+
+ @param Channel DMA Channel to configure
+ @param Dma4 Pointer to structure used to initialize DMA registers for the Channel
+
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
+ @retval EFI_INVALID_PARAMETER Channel is not valid
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested information.
+
+**/ +EFI_STATUS +EFIAPI +EnableDmaChannel ( + IN UINTN Channel, + IN OMAP_DMA4 *DMA4 + ) +{ + UINT32 RegVal; + + + if (Channel > DMA4_MAX_CHANNEL) { + return EFI_INVALID_PARAMETER; + } + + /* 1) Configure the transfer parameters in the logical DMA registers */
+ /*-------------------------------------------------------------------*/
+
+ /* a) Set the data type CSDP[1:0], the Read/Write Port access type
+ CSDP[8:7]/[15:14], the Source/dest endianism CSDP[21]/CSDP[19],
+ write mode CSDP[17:16], source/dest packed or nonpacked CSDP[6]/CSDP[13] */
+
+ // Read CSDP
+ RegVal = MmioRead32 (DMA4_CSDP (Channel));
+
+ // Build reg
+ RegVal = ((RegVal & ~ 0x3) | DMA4->DataType );
+ RegVal = ((RegVal & ~(0x3 << 7)) | (DMA4->ReadPortAccessType << 7));
+ RegVal = ((RegVal & ~(0x3 << 14)) | (DMA4->WritePortAccessType << 14));
+ RegVal = ((RegVal & ~(0x1 << 21)) | (DMA4->SourceEndiansim << 21));
+ RegVal = ((RegVal & ~(0x1 << 19)) | (DMA4->DestinationEndianism << 19));
+ RegVal = ((RegVal & ~(0x3 << 16)) | (DMA4->WriteMode << 16));
+ RegVal = ((RegVal & ~(0x1 << 6)) | (DMA4->SourcePacked << 6));
+ RegVal = ((RegVal & ~(0x1 << 13)) | (DMA4->DestinationPacked << 13));
+ // Write CSDP
+ MmioWrite32 (DMA4_CSDP (Channel), RegVal);
+
+ /* b) Set the number of element per frame CEN[23:0]*/
+ MmioWrite32 (DMA4_CEN (Channel), DMA4->NumberOfElementPerFrame);
+
+ /* c) Set the number of frame per block CFN[15:0]*/
+ MmioWrite32 (DMA4_CFN (Channel), DMA4->NumberOfFramePerTransferBlock);
+
+ /* d) Set the Source/dest start address index CSSA[31:0]/CDSA[31:0]*/
+ MmioWrite32 (DMA4_CSSA (Channel), DMA4->SourceStartAddress);
+ MmioWrite32 (DMA4_CDSA (Channel), DMA4->DestinationStartAddress);
+
+ /* e) Set the Read Port addressing mode CCR[13:12], the Write Port addressing mode CCR[15:14],
+ read/write priority CCR[6]/CCR[26]
+ I changed LCH CCR[20:19]=00 and CCR[4:0]=00000 to
+ LCH CCR[20:19]= DMA4->WriteRequestNumber and CCR[4:0]=DMA4->ReadRequestNumber
+ */
+
+ // Read CCR
+ RegVal = MmioRead32 (DMA4_CCR (Channel));
+
+ // Build reg
+ RegVal = ((RegVal & ~0x1f) | DMA4->ReadRequestNumber);
+ RegVal = ((RegVal & ~(BIT20 | BIT19)) | DMA4->WriteRequestNumber << 19);
+ RegVal = ((RegVal & ~(0x3 << 12)) | (DMA4->ReadPortAccessMode << 12));
+ RegVal = ((RegVal & ~(0x3 << 14)) | (DMA4->WritePortAccessMode << 14));
+ RegVal = ((RegVal & ~(0x1 << 6)) | (DMA4->ReadPriority << 6));
+ RegVal = ((RegVal & ~(0x1 << 26)) | (DMA4->WritePriority << 26));
+
+ // Write CCR
+ MmioWrite32 (DMA4_CCR (Channel), RegVal);
+
+ /* f)- Set the source element index CSEI[15:0]*/
+ MmioWrite32 (DMA4_CSEI (Channel), DMA4->SourceElementIndex);
+
+ /* - Set the source frame index CSFI[15:0]*/
+ MmioWrite32 (DMA4_CSFI (Channel), DMA4->SourceFrameIndex);
+
+
+ /* - Set the destination element index CDEI[15:0]*/
+ MmioWrite32 (DMA4_CDEI (Channel), DMA4->DestinationElementIndex);
+
+ /* - Set the destination frame index CDFI[31:0]*/
+ MmioWrite32 (DMA4_CDFI (Channel), DMA4->DestinationFrameIndex);
+
+ /* 2) Start the DMA transfer by Setting the enable bit CCR[7]=1 */
+ /*--------------------------------------------------------------*/
+ //write enable bit
+ MmioOr32 (DMA4_CCR(0), DMA4_CCR_ENABLE); //Launch transfer + + return EFI_SUCCESS; +} + +/**
+ Turn of DMA channel configured by EnableDma().
+
+ @param Channel DMA Channel to configure
+
+ @retval EFI_SUCCESS DMA hardware disabled
+ @retval EFI_INVALID_PARAMETER Channel is not valid
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested information.
+
+**/ +EFI_STATUS +EFIAPI +DisableDmaChannel ( + IN UINTN Channel + ) +{ + if (Channel > DMA4_MAX_CHANNEL) { + return EFI_INVALID_PARAMETER; + } + + MmioAnd32 (DMA4_CCR(0), ~(DMA4_CCR_ENABLE | DMA4_CCR_RD_ACTIVE | DMA4_CCR_WR_ACTIVE)); + return EFI_SUCCESS; +} + +/**
+ Provides the DMA controller-specific addresses needed to access system memory.
+
+ Operation is relative to the DMA bus master.
+
+ @param Operation Indicates if the bus master is going to read or write to system memory.
+ @param HostAddress The system memory address to map to the DMA controller.
+ @param NumberOfBytes On input the number of bytes to map. On output the number of bytes
+ that were mapped.
+ @param DeviceAddress The resulting map address for the bus master controller to use to
+ access the hosts HostAddress.
+ @param Mapping A resulting value to pass to Unmap().
+
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
+ @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
+
+**/ +EFI_STATUS +EFIAPI +DmaMap ( + IN DMA_MAP_OPERATION Operation, + IN VOID *HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
+ ) +{ + MAP_INFO_INSTANCE *Map; + + if ( HostAddress == NULL || NumberOfBytes == NULL || + DeviceAddress == NULL || Mapping == NULL ) { + return EFI_INVALID_PARAMETER; + } + + + if (Operation >= MapOperationMaximum) { + return EFI_INVALID_PARAMETER; + } + + *DeviceAddress = ConvertToPhysicalAddress (HostAddress); + + // Remember range so we can flush on the other side + Map = AllocatePool (sizeof (MAP_INFO_INSTANCE)); + if (Map == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + *Mapping = Map; + + Map->HostAddress = (UINTN)HostAddress; + Map->DeviceAddress = *DeviceAddress; + Map->NumberOfBytes = *NumberOfBytes; + Map->Operation = Operation; + + // EfiCpuFlushTypeWriteBack, EfiCpuFlushTypeInvalidate + gCpu->FlushDataCache (gCpu, (EFI_PHYSICAL_ADDRESS)(UINTN)HostAddress, *NumberOfBytes, EfiCpuFlushTypeWriteBackInvalidate); + + return EFI_SUCCESS; +} + + +/**
+ Completes the DmaMapBusMasterRead(), DmaMapBusMasterWrite(), or DmaMapBusMasterCommonBuffer()
+ operation and releases any corresponding resources.
+
+ @param Mapping The mapping value returned from DmaMap*().
+
+ @retval EFI_SUCCESS The range was unmapped.
+ @retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
+
+**/ +EFI_STATUS +EFIAPI +DmaUnmap ( + IN VOID *Mapping
+ ) +{ + MAP_INFO_INSTANCE *Map; + + if (Mapping == NULL) { + ASSERT (FALSE); + return EFI_INVALID_PARAMETER; + } + + Map = (MAP_INFO_INSTANCE *)Mapping; + if (Map->Operation == MapOperationBusMasterWrite) { + // + // Make sure we read buffer from uncached memory and not the cache + // + gCpu->FlushDataCache (gCpu, Map->HostAddress, Map->NumberOfBytes, EfiCpuFlushTypeInvalidate); + } + + FreePool (Map); + + return EFI_SUCCESS; +} + +/**
+ Allocates pages that are suitable for an DmaMap() of type MapOperationBusMasterCommonBuffer.
+ mapping.
+
+ @param MemoryType The type of memory to allocate, EfiBootServicesData or
+ EfiRuntimeServicesData.
+ @param Pages The number of pages to allocate.
+ @param HostAddress A pointer to store the base system memory address of the
+ allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were allocated.
+ @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
+ MEMORY_WRITE_COMBINE and MEMORY_CACHED.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
+
+**/EFI_STATUS +EFIAPI +DmaAllocateBuffer ( + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages,
+ OUT VOID **HostAddress
+ )
+{ + if (HostAddress == NULL) { + return EFI_INVALID_PARAMETER; + } + + // + // The only valid memory types are EfiBootServicesData and EfiRuntimeServicesData + // + // We used uncached memory to keep coherency + // + if (MemoryType == EfiBootServicesData) { + *HostAddress = UncachedAllocatePages (Pages); + } else if (MemoryType != EfiRuntimeServicesData) { + *HostAddress = UncachedAllocateRuntimePages (Pages); + } else { + return EFI_INVALID_PARAMETER; + } + + return EFI_SUCCESS; +} + + +/**
+ Frees memory that was allocated with DmaAllocateBuffer().
+
+ @param Pages The number of pages to free.
+ @param HostAddress The base system memory address of the allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were freed.
+ @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
+ was not allocated with DmaAllocateBuffer().
+
+**/
+EFI_STATUS +EFIAPI +DmaFreeBuffer ( + IN UINTN Pages,
+ IN VOID *HostAddress
+ )
+{ + if (HostAddress == NULL) { + return EFI_INVALID_PARAMETER; + } + + UncachedFreePages (HostAddress, Pages); + return EFI_SUCCESS; +} + + +EFI_STATUS +EFIAPI +OmapDmaLibConstructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + // Get the Cpu protocol for later use + Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&gCpu); + ASSERT_EFI_ERROR(Status); + + return EFI_SUCCESS; +} + diff --git a/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.inf b/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.inf new file mode 100755 index 0000000000..78f2d01dcb --- /dev/null +++ b/Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.inf @@ -0,0 +1,48 @@ +#/** @file
+#
+# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = OmapDmaLib
+ FILE_GUID = 09B17D99-BB07-49a8-B0D2-06D6AFCBE3AB
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = OmapDmaLib
+ CONSTRUCTOR = OmapDmaLibConstructor
+
+[Sources.common]
+ OmapDmaLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ ArmPkg/ArmPkg.dec
+ Omap35xxPkg/Omap35xxPkg.dec
+
+[LibraryClasses]
+ DebugLib
+ UefiBootServicesTableLib
+ MemoryAllocationLib
+ UncachedMemoryAllocationLib
+ IoLib
+
+
+[Protocols]
+ gEfiCpuArchProtocolGuid
+
+[Guids]
+
+[Pcd]
+
+[Depex]
+ gEfiCpuArchProtocolGuid
\ No newline at end of file diff --git a/Omap35xxPkg/MMCHSDxe/MMCHS.c b/Omap35xxPkg/MMCHSDxe/MMCHS.c index a6d2940cc9..3238d61829 100644 --- a/Omap35xxPkg/MMCHSDxe/MMCHS.c +++ b/Omap35xxPkg/MMCHSDxe/MMCHS.c @@ -21,8 +21,6 @@ **/ -#include <Uefi.h> - #include "MMCHS.h" EFI_BLOCK_IO_MEDIA gMMCHSMedia = { @@ -223,6 +221,9 @@ CalculateCardCLKD ( MaxDataTransferRate = gCardInfo.CSDData.TRAN_SPEED; + // For SD Cards we would need to send CMD6 to set + // speeds abouve 25MHz. High Speed mode 50 MHz and up + //Calculate Transfer rate unit (Bits 2:0 of TRAN_SPEED) switch (MaxDataTransferRate & 0x7) { case 0: @@ -593,9 +594,6 @@ GetCardSpecificData ( //Calculate total number of blocks and max. data transfer rate supported by the detected card. GetCardConfigurationData(); - //Change MMCHS clock frequency to what detected card can support. - UpdateMMCHSClkFrequency(gCardInfo.ClockFrequencySelect); - return Status; } @@ -641,6 +639,9 @@ PerformCardConfiguration ( return Status; } + //Change MMCHS clock frequency to what detected card can support. + UpdateMMCHSClkFrequency(gCardInfo.ClockFrequencySelect); + return EFI_SUCCESS; } @@ -729,27 +730,158 @@ WriteBlockData ( return EFI_SUCCESS; } +EFI_STATUS +DmaBlocks ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN UINTN Lba, + IN OUT VOID *Buffer, + IN UINTN BlockCount, + IN OPERATION_TYPE OperationType + ) +{ + EFI_STATUS Status; + UINTN RetryCount = 0; + UINTN Cmd = 0; + UINTN CmdInterruptEnable; + UINTN CmdArgument; + VOID *BufferMap; + EFI_PHYSICAL_ADDRESS BufferAddress; + OMAP_DMA4 Dma4; + DMA_MAP_OPERATION DmaOperation; + + + //Populate the command information based on the operation type. + if (OperationType == READ) { + Cmd = CMD18; //Multiple block read + CmdInterruptEnable = CMD18_INT_EN; + DmaOperation = MapOperationBusMasterCommonBuffer; + } else if (OperationType == WRITE) { + Cmd = CMD25; //Multiple block write + CmdInterruptEnable = CMD25_INT_EN; + DmaOperation = MapOperationBusMasterRead; + } else { + return EFI_INVALID_PARAMETER; + } + + // Map passed in buffer for DMA xfer + RetryCount = BlockCount * This->Media->BlockSize; + Status = DmaMap (DmaOperation, Buffer, &RetryCount, &BufferAddress, &BufferMap); + if (EFI_ERROR (Status)) { + return Status; + } + + #if 0 + MmioWrite32 (DMA4_CSDP(0), DMA4_CSDP_DATA_TYPE32 | DMA4_CSDP_SRC_BURST_EN64 | DMA4_CSDP_WRITE_MODE_POSTED); + MmioWrite32 (DMA4_CEN(0), 0x4096); // Channel Element number + MmioWrite32 (DMA4_CFN(0), 0x1); // Channel Frame number + if () { + MmioWrite32 (DMA4_CCR(0), X | DMA4_CCR_FS_PACKET | DMA4_CCR_RD_ACTIVE | DMA4_CCR_WR_ACTIVE | DMA4_CCR_DST_AMODE_POST_INC | DMA4_CCR_SEL_SRC_DEST_SYNC_SOURCE); + MmioWrite32 (DMA4_CSSA(0), MMCHS_DATA); // Src is SD Card + MmioWrite32 (DMA4_CDSA(0), (UINT32)BufferAddress); // Dst memory + } else { + MmioWrite32 (DMA4_CCR(0), X | DMA4_CCR_FS_PACKET | DMA4_CCR_RD_ACTIVE | DMA4_CCR_WR_ACTIVE | DMA4_CCR_SRC_AMODE_POST_INC); + MmioWrite32 (DMA4_CSSA(0), (UINT32)BufferAddress); // Src memory + MmioWrite32 (DMA4_CDSA(0), MMCHS_DATA); // Dst SD Card + } + MmioWrite32 (DMA4_CSE(0), 1); + MmioWrite32 (DMA4_CSF(0), This->Media->BlockSize); + MmioWrite32 (DMA4_CDE(0), 1); +#endif + Dma4.DataType = 0; // DMA4_CSDPi[1:0]
+ Dma4.ReadPortAccessType =0; // DMA4_CSDPi[8:7]
+ Dma4.WritePortAccessType =0; // DMA4_CSDPi[15:14]
+ Dma4.SourceEndiansim = 0; // DMA4_CSDPi[21]
+ Dma4.DestinationEndianism = 0; // DMA4_CSDPi[19]
+ Dma4.WriteMode = 0; // DMA4_CSDPi[17:16]
+ Dma4.SourcePacked = 0; // DMA4_CSDPi[6]
+ Dma4.DestinationPacked = 0; // DMA4_CSDPi[13]
+ Dma4.NumberOfElementPerFrame = 0; // DMA4_CENi
+ Dma4.NumberOfFramePerTransferBlock = 0; // DMA4_CFNi
+ Dma4.SourceStartAddress = 0; // DMA4_CSSAi
+ Dma4.DestinationStartAddress = 0; // DMA4_CDSAi
+ Dma4.SourceElementIndex = 0; // DMA4_CSEi
+ Dma4.SourceFrameIndex = 0; // DMA4_CSFi
+ Dma4.DestinationElementIndex = 0; // DMA4_CDEi
+ Dma4.DestinationFrameIndex = 0; // DMA4_CDFi
+ Dma4.ReadPortAccessMode = 0; // DMA4_CCRi[13:12]
+ Dma4.WritePortAccessMode = 0; // DMA4_CCRi[15:14]
+ Dma4.ReadPriority = 0; // DMA4_CCRi[6]
+ Dma4.WritePriority = 0; // DMA4_CCRi[23]
+ Dma4.ReadRequestNumber = 0; // DMA4_CCRi[4:0]
+ Dma4.WriteRequestNumber = 0; // DMA4_CCRi[20:19] + + EnableDmaChannel (2, &Dma4); + + + //Set command argument based on the card access mode (Byte mode or Block mode) + if (gCardInfo.OCRData.AccessMode & BIT1) { + CmdArgument = Lba; + } else { + CmdArgument = Lba * This->Media->BlockSize; + } + + //Send Command. + Status = SendCmd (Cmd, CmdInterruptEnable, CmdArgument); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "CMD fails. Status: %x\n", Status)); + return Status; + } + + DisableDmaChannel (2); + Status = DmaUnmap (BufferMap); + + return Status; +} + EFI_STATUS -TransferBlockData ( - IN EFI_BLOCK_IO_PROTOCOL *This, - OUT VOID *Buffer, +TransferBlock ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN UINTN Lba, + IN OUT VOID *Buffer, IN OPERATION_TYPE OperationType ) { EFI_STATUS Status; UINTN MmcStatus; UINTN RetryCount = 0; + UINTN Cmd = 0; + UINTN CmdInterruptEnable = 0; + UINTN CmdArgument = 0; + + + //Populate the command information based on the operation type. + if (OperationType == READ) { + Cmd = CMD17; //Single block read + CmdInterruptEnable = CMD18_INT_EN; + } else if (OperationType == WRITE) { + Cmd = CMD24; //Single block write + CmdInterruptEnable = CMD24_INT_EN; + } + + //Set command argument based on the card access mode (Byte mode or Block mode) + if (gCardInfo.OCRData.AccessMode & BIT1) { + CmdArgument = Lba; + } else { + CmdArgument = Lba * This->Media->BlockSize; + } + + //Send Command. + Status = SendCmd (Cmd, CmdInterruptEnable, CmdArgument); + if (EFI_ERROR(Status)) { + DEBUG ((EFI_D_ERROR, "CMD fails. Status: %x\n", Status)); + return Status; + } //Read or Write data. if (OperationType == READ) { - Status = ReadBlockData(This, Buffer); + Status = ReadBlockData (This, Buffer); if (EFI_ERROR(Status)) { DEBUG((EFI_D_ERROR, "ReadBlockData fails.\n")); return Status; } } else if (OperationType == WRITE) { - Status = WriteBlockData(This, Buffer); + Status = WriteBlockData (This, Buffer); if (EFI_ERROR(Status)) { DEBUG((EFI_D_ERROR, "WriteBlockData fails.\n")); return Status; @@ -891,9 +1023,8 @@ DetectCard ( gMMCHSMedia.ReadOnly = (MmioRead32 (GPIO1_BASE + GPIO_DATAIN) & BIT23) == BIT23; gMMCHSMedia.MediaPresent = TRUE; gMMCHSMedia.MediaId++; - gMediaChange = FALSE; - DEBUG ((EFI_D_INFO, "SD Card Media Change\n")); + DEBUG ((EFI_D_INFO, "SD Card Media Change on Handle 0x%08x\n", gImageHandle)); return Status; } @@ -910,26 +1041,17 @@ SdReadWrite ( { EFI_STATUS Status = EFI_SUCCESS; UINTN RetryCount = 0; - UINTN NumBlocks; - UINTN Cmd = 0; - UINTN CmdInterruptEnable = 0; - UINTN CmdArgument = 0; + UINTN BlockCount; + UINTN BytesToBeTranferedThisPass; + UINTN BytesRemainingToBeTransfered; EFI_TPL OldTpl;
- BOOLEAN MediaPresentLastTime;
BOOLEAN Update;
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
- - - if (Buffer == NULL) { - Status = EFI_INVALID_PARAMETER; - goto Done; - } Update = FALSE; - MediaPresentLastTime = gMMCHSMedia.MediaPresent; if (gMediaChange) { + Update = TRUE; Status = DetectCard (); if (EFI_ERROR (Status)) { // We detected a removal @@ -937,8 +1059,6 @@ SdReadWrite ( gMMCHSMedia.LastBlock = 0; gMMCHSMedia.BlockSize = 512; // Should be zero but there is a bug in DiskIo gMMCHSMedia.ReadOnly = FALSE; - } else { - Update = TRUE; } gMediaChange = FALSE; } else if (!gMMCHSMedia.MediaPresent) { @@ -946,7 +1066,8 @@ SdReadWrite ( goto Done; } - if ((MediaPresentLastTime != gMMCHSMedia.MediaPresent) || Update) { + if (Update) { + DEBUG ((EFI_D_INFO, "SD Card ReinstallProtocolInterface ()\n")); gBS->ReinstallProtocolInterface (
gImageHandle,
&gEfiBlockIoProtocolGuid,
@@ -959,7 +1080,12 @@ SdReadWrite ( goto Done; } - if (Lba > This->Media->LastBlock) { + if (Buffer == NULL) { + Status = EFI_INVALID_PARAMETER; + goto Done; + } + + if (Lba > This->Media->LastBlock) { Status = EFI_INVALID_PARAMETER; goto Done; } @@ -976,54 +1102,42 @@ SdReadWrite ( goto Done; } - //Populate the command information based on the operation type. - if (OperationType == READ) { - Cmd = CMD17; //Single block read - CmdInterruptEnable = CMD17_INT_EN; - } else if (OperationType == WRITE) { - Cmd = CMD24; //Single block write - CmdInterruptEnable = CMD24_INT_EN; - } + OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - //Calculate total number of blocks its going to read. - NumBlocks = (BufferSize + (This->Media->BlockSize - 1))/This->Media->BlockSize; + BytesRemainingToBeTransfered = BufferSize; + while (BytesRemainingToBeTransfered > 0) { - //Set command argument based on the card access mode (Byte mode or Block mode) - if (gCardInfo.OCRData.AccessMode & BIT1) { - CmdArgument = (UINTN)Lba; - } else { - CmdArgument = (UINTN)Lba * This->Media->BlockSize; - } + if (gMediaChange) { + Status = EFI_NO_MEDIA; + DEBUG ((EFI_D_INFO, "SdReadWrite() EFI_NO_MEDIA due to gMediaChange\n")); + goto DoneRestoreTPL; + } - while(NumBlocks) { - //Send Command. - Status = SendCmd (Cmd, CmdInterruptEnable, CmdArgument); - if (EFI_ERROR(Status)) { - DEBUG ((EFI_D_ERROR, "CMD fails. Status: %x\n", Status)); - goto Done; + //BytesToBeTranferedThisPass = (BytesToBeTranferedThisPass >= MAX_MMCHS_TRANSFER_SIZE) ? MAX_MMCHS_TRANSFER_SIZE : BytesRemainingToBeTransfered; + BytesToBeTranferedThisPass = This->Media->BlockSize; + + BlockCount = BytesToBeTranferedThisPass/This->Media->BlockSize; + + if (BlockCount > 1) { + Status = DmaBlocks (This, Lba, Buffer, BlockCount, OperationType); + } else { + //Transfer a block worth of data. + Status = TransferBlock (This, Lba, Buffer, OperationType); } - //Transfer a block worth of data. - Status = TransferBlockData(This, Buffer, OperationType); if (EFI_ERROR(Status)) { DEBUG ((EFI_D_ERROR, "TransferBlockData fails. %x\n", Status)); - goto Done; - } - - //Adjust command argument. - if (gCardInfo.OCRData.AccessMode & BIT1) { - CmdArgument++; //Increase BlockIndex by one. - } else { - CmdArgument += This->Media->BlockSize; //Increase BlockIndex by BlockSize + goto DoneRestoreTPL; } - //Adjust Buffer. + BytesRemainingToBeTransfered -= BytesToBeTranferedThisPass; + Lba += BlockCount; Buffer = (UINT8 *)Buffer + This->Media->BlockSize; - NumBlocks--; } -Done:
+DoneRestoreTPL:
gBS->RestoreTPL (OldTpl);
+Done:
return Status;
} @@ -1205,7 +1319,7 @@ MMCHSInitialize ( ASSERT_EFI_ERROR(Status); ZeroMem (&gCardInfo, sizeof (CARD_INFO)); - + Status = gBS->CreateEvent (EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK, TimerCallback, NULL, &gTimerEvent); ASSERT_EFI_ERROR (Status); diff --git a/Omap35xxPkg/MMCHSDxe/MMCHS.h b/Omap35xxPkg/MMCHSDxe/MMCHS.h index 8fa1ba1b67..e7d8b7e474 100644 --- a/Omap35xxPkg/MMCHSDxe/MMCHS.h +++ b/Omap35xxPkg/MMCHSDxe/MMCHS.h @@ -15,6 +15,8 @@ #ifndef _MMCHS_H_
#define _MMCHS_H_
+#include <Uefi.h> +
#include <Library/BaseLib.h> #include <Library/MemoryAllocationLib.h> #include <Library/DebugLib.h> @@ -22,6 +24,8 @@ #include <Library/PcdLib.h> #include <Library/UefiBootServicesTableLib.h> #include <Library/BaseMemoryLib.h> +#include <Library/OmapLib.h> +#include <Library/OmapDmaLib.h> #include <Protocol/EmbeddedExternalDevice.h>
#include <Protocol/BlockIo.h> diff --git a/Omap35xxPkg/MMCHSDxe/MMCHS.inf b/Omap35xxPkg/MMCHSDxe/MMCHS.inf index 7ae17968df..43327777b7 100644 --- a/Omap35xxPkg/MMCHSDxe/MMCHS.inf +++ b/Omap35xxPkg/MMCHSDxe/MMCHS.inf @@ -35,6 +35,7 @@ UefiDriverEntryPoint MemoryAllocationLib IoLib + OmapDmaLib [Guids] diff --git a/Omap35xxPkg/Omap35xxPkg.dec b/Omap35xxPkg/Omap35xxPkg.dec index e257e203b2..e7884590a5 100644 --- a/Omap35xxPkg/Omap35xxPkg.dec +++ b/Omap35xxPkg/Omap35xxPkg.dec @@ -31,6 +31,16 @@ [Includes.common] Include # Root include for the package +[LibraryClasses]
+ ## @libraryclass Abstract location of basic OMAP components
+ ##
+ OmapLib|Include/Library/OmapLib.h
+
+ ## @libraryclass Abstract OMAP and ARM DMA, modeled after PCI IO protocol
+ ##
+ OmapDmaLib|Include/Library/OmapDmaLib.h
+ + [Guids.common] gOmap35xxTokenSpaceGuid = { 0x24b09abe, 0x4e47, 0x481c, { 0xa9, 0xad, 0xce, 0xf1, 0x2c, 0x39, 0x23, 0x27} } diff --git a/Omap35xxPkg/Omap35xxPkg.dsc b/Omap35xxPkg/Omap35xxPkg.dsc index 5cf160d516..31c0bc7ec0 100644 --- a/Omap35xxPkg/Omap35xxPkg.dsc +++ b/Omap35xxPkg/Omap35xxPkg.dsc @@ -49,6 +49,7 @@ IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf OmapLib|Omap35xxPkg/Library/OmapLib/OmapLib.inf + OmapDmaLib|Omap35xxPkg/Library/OmapDmaLib/OmapDmaLib.inf MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf UefiLib|MdePkg/Library/UefiLib/UefiLib.inf @@ -168,6 +169,7 @@ [Components.common] Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf Omap35xxPkg/Library/OmapLib/OmapLib.inf + Omap35xxPkg/Library/OmapLib/OmapDmaLib.inf Omap35xxPkg/Flash/Flash.inf Omap35xxPkg/MMCHSDxe/MMCHS.inf diff --git a/Omap35xxPkg/PciEmulation/PciEmulation.c b/Omap35xxPkg/PciEmulation/PciEmulation.c index b264349b99..dd5e8f7b67 100644 --- a/Omap35xxPkg/PciEmulation/PciEmulation.c +++ b/Omap35xxPkg/PciEmulation/PciEmulation.c @@ -13,9 +13,7 @@ **/ #include "PciEmulation.h" -#include <Omap3530/Omap3530.h> -EFI_CPU_ARCH_PROTOCOL *gCpu; EMBEDDED_EXTERNAL_DEVICE *gTPS65950; #define HOST_CONTROLLER_OPERATION_REG_SIZE 0x44 @@ -263,41 +261,18 @@ PciIoMap ( OUT VOID **Mapping ) { - MAP_INFO_INSTANCE *Map; - EFI_STATUS Status; - - if ( HostAddress == NULL || NumberOfBytes == NULL || - DeviceAddress == NULL || Mapping == NULL ) { - - return EFI_INVALID_PARAMETER; - } - - - if (Operation >= EfiPciOperationMaximum) { + DMA_MAP_OPERATION DmaOperation; + + if (Operation == EfiPciIoOperationBusMasterRead) { + DmaOperation = MapOperationBusMasterRead; + } else if (Operation == EfiPciIoOperationBusMasterWrite) { + DmaOperation = MapOperationBusMasterWrite; + } else if (Operation == EfiPciIoOperationBusMasterCommonBuffer) { + DmaOperation = MapOperationBusMasterCommonBuffer; + } else { return EFI_INVALID_PARAMETER; } - - *DeviceAddress = ConvertToPhysicalAddress (HostAddress); - - // Data cache flush (HostAddress, NumberOfBytes); - - // Remember range so we can flush on the other side - Status = gBS->AllocatePool (EfiBootServicesData, sizeof (PCI_DMA_MAP), (VOID **) &Map); - if (EFI_ERROR(Status)) { - return EFI_OUT_OF_RESOURCES; - } - - *Mapping = Map; - - Map->HostAddress = (UINTN)HostAddress; - Map->DeviceAddress = *DeviceAddress; - Map->NumberOfBytes = *NumberOfBytes; - Map->Operation = Operation; - - // EfiCpuFlushTypeWriteBack, EfiCpuFlushTypeInvalidate - gCpu->FlushDataCache (gCpu, (EFI_PHYSICAL_ADDRESS)(UINTN)HostAddress, *NumberOfBytes, EfiCpuFlushTypeWriteBackInvalidate); - - return EFI_SUCCESS; + return DmaMap (DmaOperation, HostAddress, NumberOfBytes, DeviceAddress, Mapping); } EFI_STATUS @@ -306,24 +281,7 @@ PciIoUnmap ( IN VOID *Mapping ) { - PCI_DMA_MAP *Map; - - if (Mapping == NULL) { - ASSERT (FALSE); - return EFI_INVALID_PARAMETER; - } - - Map = (PCI_DMA_MAP *)Mapping; - if (Map->Operation == EfiPciOperationBusMasterWrite) { - // - // Make sure we read buffer from uncached memory and not the cache - // - gCpu->FlushDataCache (gCpu, Map->HostAddress, Map->NumberOfBytes, EfiCpuFlushTypeInvalidate); - } - - FreePool (Map); - - return EFI_SUCCESS; + return DmaUnmap (Mapping); } EFI_STATUS @@ -337,29 +295,14 @@ PciIoAllocateBuffer ( ) { if (Attributes & EFI_PCI_ATTRIBUTE_INVALID_FOR_ALLOCATE_BUFFER) { + // Check this return EFI_UNSUPPORTED; } - if (HostAddress == NULL) { - return EFI_INVALID_PARAMETER; - } - - // - // The only valid memory types are EfiBootServicesData and EfiRuntimeServicesData - // - // We used uncached memory to keep coherency - // - if (MemoryType == EfiBootServicesData) { - *HostAddress = UncachedAllocatePages (Pages); - } else if (MemoryType != EfiRuntimeServicesData) { - *HostAddress = UncachedAllocateRuntimePages (Pages); - } else { - return EFI_INVALID_PARAMETER; - } - - return EFI_SUCCESS; + return DmaAllocateBuffer (MemoryType, Pages, HostAddress); } + EFI_STATUS PciIoFreeBuffer ( IN EFI_PCI_IO_PROTOCOL *This, @@ -367,12 +310,7 @@ PciIoFreeBuffer ( IN VOID *HostAddress ) { - if (HostAddress == NULL) { - return EFI_INVALID_PARAMETER; - } - - UncachedFreePages (HostAddress, Pages); - return EFI_SUCCESS; + return DmaFreeBuffer (Pages, HostAddress); } @@ -508,9 +446,6 @@ PciEmulationEntryPoint ( UINT8 PhysicalPorts; UINTN Count; - // Get the Cpu protocol for later use - Status = gBS->LocateProtocol(&gEfiCpuArchProtocolGuid, NULL, (VOID **)&gCpu); - ASSERT_EFI_ERROR(Status); //Configure USB host for OMAP3530. ConfigureUSBHost(); diff --git a/Omap35xxPkg/PciEmulation/PciEmulation.h b/Omap35xxPkg/PciEmulation/PciEmulation.h index 6a8668786f..066a553950 100644 --- a/Omap35xxPkg/PciEmulation/PciEmulation.h +++ b/Omap35xxPkg/PciEmulation/PciEmulation.h @@ -28,10 +28,9 @@ #include <Library/PciLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UncachedMemoryAllocationLib.h>
+#include <Library/OmapDmaLib.h>
#include <Protocol/EmbeddedExternalDevice.h>
-#include <Protocol/Cpu.h>
#include <Protocol/DevicePath.h>
#include <Protocol/PciIo.h>
#include <Protocol/PciRootBridgeIo.h>
@@ -40,7 +39,9 @@ #include <IndustryStandard/Pci22.h>
#include <IndustryStandard/Acpi.h>
-extern EFI_CPU_ARCH_PROTOCOL *gCpu;
+#include <Omap3530/Omap3530.h> +
+
#define EFI_RESOURCE_NONEXISTENT 0xFFFFFFFFFFFFFFFFULL
#define EFI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFEULL
@@ -99,21 +100,6 @@ typedef union { } PTR;
-typedef struct {
- EFI_PHYSICAL_ADDRESS HostAddress;
- EFI_PHYSICAL_ADDRESS DeviceAddress;
- UINTN NumberOfBytes;
- EFI_PCI_IO_PROTOCOL_OPERATION Operation;
-
-} MAP_INFO_INSTANCE;
-
-
-typedef struct {
- EFI_PHYSICAL_ADDRESS HostAddress;
- EFI_PHYSICAL_ADDRESS DeviceAddress;
- UINTN NumberOfBytes;
- EFI_PCI_IO_PROTOCOL_OPERATION Operation;
-} PCI_DMA_MAP;
EFI_STATUS
EFIAPI
diff --git a/Omap35xxPkg/PciEmulation/PciEmulation.inf b/Omap35xxPkg/PciEmulation/PciEmulation.inf index 9035f200b4..e9da1fb4f7 100644 --- a/Omap35xxPkg/PciEmulation/PciEmulation.inf +++ b/Omap35xxPkg/PciEmulation/PciEmulation.inf @@ -40,19 +40,17 @@ UefiBootServicesTableLib
UefiDriverEntryPoint
UefiRuntimeServicesTableLib
- UncachedMemoryAllocationLib
IoLib
+ OmapDmaLib
[Protocols]
gEfiPciRootBridgeIoProtocolGuid
gEfiDevicePathProtocolGuid
gEfiPciHostBridgeResourceAllocationProtocolGuid
- gEfiCpuArchProtocolGuid
gEfiPciIoProtocolGuid
gEmbeddedExternalDeviceProtocolGuid
[Depex]
gEfiMetronomeArchProtocolGuid AND
- gEfiCpuArchProtocolGuid AND
gEmbeddedExternalDeviceProtocolGuid
\ No newline at end of file |