xsdps.h File Reference

Data Structures
struct	XSdPs_Config
	This typedef contains configuration information for the device. More...
struct	__attribute__
	ADMA2 32-Bit descriptor table. More...
struct	__attribute__
	ADMA2 32-Bit descriptor table. More...
struct	XSdPs
	The XSdPs driver instance data. More...

Macros
#define	XSDPS_CT_ERROR   0x2L
	Command timeout flag. More...
#define	MAX_TUNING_COUNT   40U
	Maximum Tuning count. More...
#define	MAX_TIMEOUT   0x1FFFFFFFU
	Maximum Timeout. More...
#define	XSDPS_CMD8_VOL_PATTERN   0x1AAU
	CMD8 voltage pattern. More...
#define	XSDPS_RESPOCR_READY   0x80000000U
	Ready response. More...
#define	XSDPS_ACMD41_HCS   0x40000000U
	High Capacity Support. More...
#define	XSDPS_ACMD41_3V3   0x00300000U
	3.3 voltage support More...
#define	XSDPS_CMD1_HIGH_VOL   0x00FF8000U
	CMD1 for High voltage. More...
#define	XSDPS_CMD1_DUAL_VOL   0x00FF8010U
	CMD1 for Dual voltage. More...
#define	HIGH_SPEED_SUPPORT   0x2U
	High Speed support. More...
#define	UHS_SDR12_SUPPORT   0x1U
	SDR12 support. More...
#define	UHS_SDR25_SUPPORT   0x2U
	SDR25 support. More...
#define	UHS_SDR50_SUPPORT   0x4U
	SDR50 support. More...
#define	UHS_SDR104_SUPPORT   0x8U
	SDR104 support. More...
#define	UHS_DDR50_SUPPORT   0x10U
	DDR50 support. More...
#define	WIDTH_4_BIT_SUPPORT   0x4U
	4-bit width support More...
#define	SD_CLK_25_MHZ   25000000U
	25MHz clock More...
#define	SD_CLK_19_MHZ   19000000U
	19MHz clock More...
#define	SD_CLK_26_MHZ   26000000U
	26MHz clock More...
#define	EXT_CSD_DEVICE_TYPE_BYTE   196U
	CSD Device Type byte number. More...
#define	EXT_CSD_SEC_COUNT_BYTE1   212U
	CSD Sector count byte 1. More...
#define	EXT_CSD_SEC_COUNT_BYTE2   213U
	CSD Sector count byte 2. More...
#define	EXT_CSD_SEC_COUNT_BYTE3   214U
	CSD Sector count byte 3. More...
#define	EXT_CSD_SEC_COUNT_BYTE4   215U
	CSD Sector count byte 4. More...
#define	EXT_CSD_DEVICE_TYPE_HIGH_SPEED   0x2U
	CSD Device type HS. More...
#define	EXT_CSD_DEVICE_TYPE_DDR_1V8_HIGH_SPEED   0x4U
	CSD Dev type DDR 1.8v speed. More...
#define	EXT_CSD_DEVICE_TYPE_DDR_1V2_HIGH_SPEED   0x8U
	CSD Dev type DDR 1.2v speed. More...
#define	EXT_CSD_DEVICE_TYPE_SDR_1V8_HS200   0x10U
	CSD SDR 1.8v HS200. More...
#define	EXT_CSD_DEVICE_TYPE_SDR_1V2_HS200   0x20U
	CSD SDR 1.2v HS200. More...
#define	EXT_CSD_DEVICE_TYPE_DDR_1V8_HS400   0x40U
	CSD SDR 1.8v HS400. More...
#define	EXT_CSD_DEVICE_TYPE_DDR_1V2_HS400   0x80U
	CSD SDR 1.2v HS400. More...
#define	CSD_SPEC_VER_3   0x3U
	CSD card spec ver 3. More...
#define	SCR_SPEC_VER_3   0x80U
	SCR spec ver 3. More...
#define	ADDRESS_BEYOND_32BIT   0x100000000U
	Macro used for beyond 32-bit addr. More...
#define	XSDPS_ZYNQMP_SD0_BASE   0xFF160000U
	ZynqMP SD0 Baseaddress. More...
#define	XSDPS_ZYNQMP_SD1_BASE   0xFF170000U
	ZynqMP SD1 Baseaddress. More...
#define	XSDPS_VERSAL_SD0_BASE   0xF1040000U
	Versal SD0 Baseaddress. More...
#define	XSDPS_VERSAL_SD1_BASE   0xF1050000U
	Versal SD1 Baseaddress. More...
#define	ENABLE_HS400_MODE
	Enable eMMC HS400 mode for Versal Net platform. More...
Block size mask for 512 bytes
Block size mask for 512 bytes - This is the default block size.
#define	XSDPS_BLK_SIZE_512_MASK   0x200U
	Blk Size 512. More...
SD High Speed mode configuration options
#define	SD_HS_MODE_ENABLE   1
	User configuration option to enable or disable SD HS mode. More...

Functions
XSdPs_Config *	XSdPs_LookupConfig (u16 DeviceId)
	Looks up the device configuration based on the unique device ID. More...
s32	XSdPs_CfgInitialize (XSdPs *InstancePtr, XSdPs_Config *ConfigPtr, UINTPTR EffectiveAddr)
	Initializes a specific XSdPs instance so that the driver is ready to use. More...
s32	XSdPs_CardInitialize (XSdPs *InstancePtr)
	Initializes Card with Identification mode sequence. More...
s32	XSdPs_ReadPolled (XSdPs *InstancePtr, u32 Arg, u32 BlkCnt, u8 *Buff)
	Performs SD read in polled mode. More...
s32	XSdPs_WritePolled (XSdPs *InstancePtr, u32 Arg, u32 BlkCnt, const u8 *Buff)
	Performs SD write in polled mode. More...
s32	XSdPs_Idle (XSdPs *InstancePtr)
	API to idle the SDIO Interface. More...
s32	XSdPs_Change_BusSpeed (XSdPs *InstancePtr)
	Sets high speed in card and host. More...
s32	XSdPs_Change_ClkFreq (XSdPs *InstancePtr, u32 SelFreq)
	API to change clock frequency to a given value. More...
s32	XSdPs_Pullup (XSdPs *InstancePtr)
	Sends pullup command to card before using DAT line 3(using 4-bit bus). More...
s32	XSdPs_Get_BusWidth (XSdPs *InstancePtr, u8 *ReadBuff)
	Gets bus width support by card. More...
s32	XSdPs_Change_BusWidth (XSdPs *InstancePtr)
	Sets bus width to 4-bit in card and host. More...
s32	XSdPs_Get_BusSpeed (XSdPs *InstancePtr, u8 *ReadBuff)
	Gets bus speed supported by card. More...
s32	XSdPs_Get_Mmc_ExtCsd (XSdPs *InstancePtr, u8 *ReadBuff)
	Gets EXT_CSD register of eMMC. More...
s32	XSdPs_Set_Mmc_ExtCsd (XSdPs *InstancePtr, u32 Arg)
	Writes EXT_CSD register of eMMC. More...
s32	XSdPs_SetBlkSize (XSdPs *InstancePtr, u16 BlkSize)
	Updates Block size for read/write operations. More...
s32	XSdPs_Get_Status (XSdPs *InstancePtr, u8 *SdStatReg)
	Gets SD card status information. More...
s32	XSdPs_Select_Card (XSdPs *InstancePtr)
	Selects card and sets default block size. More...
s32	XSdPs_StartReadTransfer (XSdPs *InstancePtr, u32 Arg, u32 BlkCnt, u8 *Buff)
	Performs SD read in polled mode. More...
s32	XSdPs_CheckReadTransfer (XSdPs *InstancePtr)
	Checks if the transfer is completed successfully. More...
s32	XSdPs_StartWriteTransfer (XSdPs *InstancePtr, u32 Arg, u32 BlkCnt, u8 *Buff)
	Starts SD write transfer. More...
s32	XSdPs_CheckWriteTransfer (XSdPs *InstancePtr)
	Checks for the write transfer completed. More...
s32	XSdPs_Erase (XSdPs *InstancePtr, u32 StartAddr, u32 EndAddr)
	Performs Erase operation on the given address range. More...
s32	XSdPs_Sanitize (XSdPs *InstancePtr)
	Performs Sanitize operation on the unmapped user address range. More...

Variables
XSdPs_Config	XSdPs_ConfigTable [XPAR_XSDPS_NUM_INSTANCES]
	XSdPs Configuration Table. More...