qspi.h File Reference

Detailed Description

NVIDIA Quickboot Interface: QSPI Access

Description: This file declares APIs for accessing QSPI.

Definition in file qspi.h.

Go to the source code of this file.

Data Structures
struct	QspiTransfer
	Holds QSPI Transfer data. More...
struct	QspiControllerData
	Holds QSPI hardware controller context data. More...

Macros
#define	DEBUG_QSPI   0
#define	PRINT_QSPI_DBG_MESSAGES(...)
#define	PRINT_QSPI_REG_ACCESS(...)
#define	QSPI_CONTROLLERS_MAX   1
#define	QSPI_MAX_BIT_LENGTH   31
#define	QSPI_8Bit_BIT_LENGTH   7
#define	QSPI_FIFO_DEPTH   64
#define	BYTES_PER_WORD   4
#define	QSPI_HW_TIMEOUT   100000
	Defines the read time-out, in milliseconds. More...

Typedefs
typedef struct QspiTransfer	QspiTransfer
	Holds QSPI Transfer data. More...

Enumerations
enum	QspiBusWidth {   QSPI_BUS_WIDTH_X1,   QSPI_BUS_WIDTH_X2,   QSPI_BUS_WIDTH_X4 }
	Defines the QSPI bus widths. More...
enum	NvQspiChipSelect {   ACTIVE_LOW = 0,   ACTIVE_HIGH }
	Defines the QSPI chip selection. More...
enum	QspiXferType_t {   SYNC,   ASYNC }
	Defines the transfer types. More...
enum	QspiOpMode_t {   SDR_MODE = 0,   DDR_MODE }
	Defines the QSPI controller and Flash chip operating mode. More...

Functions
NvError	NvQspiInit (void *pdata)
	Initializes the specified QSPI controller. More...
NvError	QspiHwProcReadAsyncWaitDMAComplete (NvU32 Instance)
	Waits until the IO from the DMA is complete. More...
NvError	NvQspiTransaction (QspiTransfer *Transfers, NvU8 Numoftransfers, NvU32 Instance)
	Performs QSPI transactions for write and read. More...
void	NvQspiShutdown (NvU32 Instance)
	Shuts down the QSPI controller. More...
void	QspiDumpRegisters (NvU32 Instance)
	Dumps the registers of the QSPI controller. More...