Detailed Description

Data Structures
struct	IP_SDMMC_001_T
	SD/MMC & SDIO register block structure. More...

struct	pSDMMC_DMA_T
	SDIO chained DMA descriptor. More...

struct	sdif_device
	SDIO device type. More...

Macros
#define	MCI_DMADES0_OWN (1UL << 31)
	SDIO DMA descriptor control (des0) register defines.

#define	MCI_DMADES0_CES (1 << 30)

#define	MCI_DMADES0_ER (1 << 5)

#define	MCI_DMADES0_CH (1 << 4)

#define	MCI_DMADES0_FS (1 << 3)

#define	MCI_DMADES0_LD (1 << 2)

#define	MCI_DMADES0_DIC (1 << 1)

#define	MCI_DMADES1_BS1(x) (x)
	SDIO DMA descriptor size (des1) register defines.

#define	MCI_DMADES1_BS2(x) ((x) << 13)

#define	MCI_DMADES1_MAXTR 4096

#define	MCI_CTRL_USE_INT_DMAC (1 << 25)
	SDIO control register defines.

#define	MCI_CTRL_CARDV_MASK (0x7 << 16)

#define	MCI_CTRL_CEATA_INT_EN (1 << 11)

#define	MCI_CTRL_SEND_AS_CCSD (1 << 10)

#define	MCI_CTRL_SEND_CCSD (1 << 9)

#define	MCI_CTRL_ABRT_READ_DATA (1 << 8)

#define	MCI_CTRL_SEND_IRQ_RESP (1 << 7)

#define	MCI_CTRL_READ_WAIT (1 << 6)

#define	MCI_CTRL_INT_ENABLE (1 << 4)

#define	MCI_CTRL_DMA_RESET (1 << 2)

#define	MCI_CTRL_FIFO_RESET (1 << 1)

#define	MCI_CTRL_RESET (1 << 0)

#define	MCI_POWER_ENABLE 0x1
	SDIO Power Enable register defines.

#define	MCI_CLOCK_DIVIDER(dn, d2) ((d2) << ((dn) * 8))
	SDIO Clock divider register defines.

#define	MCI_CLKSRC_CLKDIV0 0
	SDIO Clock source register defines.

#define	MCI_CLKSRC_CLKDIV1 1

#define	MCI_CLKSRC_CLKDIV2 2

#define	MCI_CLKSRC_CLKDIV3 3

#define	MCI_CLK_SOURCE(clksrc) (clksrc)

#define	MCI_CLKEN_LOW_PWR (1 << 16)
	SDIO Clock Enable register defines.

#define	MCI_CLKEN_ENABLE (1 << 0)

#define	MCI_TMOUT_DATA(clks) ((clks) << 8)
	SDIO time-out register defines.

#define	MCI_TMOUT_DATA_MSK 0xFFFFFF00

#define	MCI_TMOUT_RESP(clks) ((clks) & 0xFF)

#define	MCI_TMOUT_RESP_MSK 0xFF

#define	MCI_CTYPE_8BIT (1 << 16)
	SDIO card-type register defines.

#define	MCI_CTYPE_4BIT (1 << 0)

#define	MCI_INT_SDIO (1 << 16)
	SDIO Interrupt status & mask register defines.

#define	MCI_INT_EBE (1 << 15)

#define	MCI_INT_ACD (1 << 14)

#define	MCI_INT_SBE (1 << 13)

#define	MCI_INT_HLE (1 << 12)

#define	MCI_INT_FRUN (1 << 11)

#define	MCI_INT_HTO (1 << 10)

#define	MCI_INT_DTO (1 << 9)

#define	MCI_INT_RTO (1 << 8)

#define	MCI_INT_DCRC (1 << 7)

#define	MCI_INT_RCRC (1 << 6)

#define	MCI_INT_RXDR (1 << 5)

#define	MCI_INT_TXDR (1 << 4)

#define	MCI_INT_DATA_OVER (1 << 3)

#define	MCI_INT_CMD_DONE (1 << 2)

#define	MCI_INT_RESP_ERR (1 << 1)

#define	MCI_INT_CD (1 << 0)

#define	MCI_CMD_START (1UL << 31)
	SDIO Command register defines.

#define	MCI_CMD_VOLT_SWITCH (1 << 28)

#define	MCI_CMD_BOOT_MODE (1 << 27)

#define	MCI_CMD_DISABLE_BOOT (1 << 26)

#define	MCI_CMD_EXPECT_BOOT_ACK (1 << 25)

#define	MCI_CMD_ENABLE_BOOT (1 << 24)

#define	MCI_CMD_CCS_EXP (1 << 23)

#define	MCI_CMD_CEATA_RD (1 << 22)

#define	MCI_CMD_UPD_CLK (1 << 21)

#define	MCI_CMD_INIT (1 << 15)

#define	MCI_CMD_STOP (1 << 14)

#define	MCI_CMD_PRV_DAT_WAIT (1 << 13)

#define	MCI_CMD_SEND_STOP (1 << 12)

#define	MCI_CMD_STRM_MODE (1 << 11)

#define	MCI_CMD_DAT_WR (1 << 10)

#define	MCI_CMD_DAT_EXP (1 << 9)

#define	MCI_CMD_RESP_CRC (1 << 8)

#define	MCI_CMD_RESP_LONG (1 << 7)

#define	MCI_CMD_RESP_EXP (1 << 6)

#define	MCI_CMD_INDX(n) ((n) & 0x1F)

#define	MCI_STS_GET_FCNT(x) (((x) >> 17) & 0x1FF)
	SDIO status register definess.

#define	MCI_FIFOTH_TX_WM(x) ((x) & 0xFFF)
	SDIO FIFO threshold defines.

#define	MCI_FIFOTH_RX_WM(x) (((x) & 0xFFF) << 16)

#define	MCI_FIFOTH_DMA_MTS_1 (0UL << 28)

#define	MCI_FIFOTH_DMA_MTS_4 (1UL << 28)

#define	MCI_FIFOTH_DMA_MTS_8 (2UL << 28)

#define	MCI_FIFOTH_DMA_MTS_16 (3UL << 28)

#define	MCI_FIFOTH_DMA_MTS_32 (4UL << 28)

#define	MCI_FIFOTH_DMA_MTS_64 (5UL << 28)

#define	MCI_FIFOTH_DMA_MTS_128 (6UL << 28)

#define	MCI_FIFOTH_DMA_MTS_256 (7UL << 28)

#define	MCI_BMOD_PBL1 (0 << 8)
	Bus mode register defines.

#define	MCI_BMOD_PBL4 (1 << 8)

#define	MCI_BMOD_PBL8 (2 << 8)

#define	MCI_BMOD_PBL16 (3 << 8)

#define	MCI_BMOD_PBL32 (4 << 8)

#define	MCI_BMOD_PBL64 (5 << 8)

#define	MCI_BMOD_PBL128 (6 << 8)

#define	MCI_BMOD_PBL256 (7 << 8)

#define	MCI_BMOD_DE (1 << 7)

#define	MCI_BMOD_DSL(len) ((len) << 2)

#define	MCI_BMOD_FB (1 << 1)

#define	MCI_BMOD_SWR (1 << 0)

#define	SD_FIFO_SZ 32
	Commonly used definitions.

Typedefs
typedef uint32_t(*	MCI_IRQ_CB_FUNC_T )(uint32_t)

typedef int32_t(*	PSCHECK_FUNC_T )(void)

typedef void(*	PS_POWER_FUNC_T )(int32_t enable)

Functions
void	IP_SDMMC_Init (IP_SDMMC_001_T *pSDMMC)
	Initializes the MCI card controller.

void	IP_SDMMC_DeInit (IP_SDMMC_001_T *pSDMMC)
	Close the MCI.

void	IP_SDMMC_SetBlkSize (IP_SDMMC_001_T *pSDMMC, uint32_t bytes)
	Set block size for transfer.

void	IP_SDMMC_Reset (IP_SDMMC_001_T *pSDMMC, int32_t reset)
	Reset card in slot.

STATIC INLINE void	IP_SDMMC_PowerOn (IP_SDMMC_001_T *pSDMMC)
	Enable slot power.

STATIC INLINE void	IP_SDMMC_PowerOff (IP_SDMMC_001_T *pSDMMC)
	Disable slot power.

STATIC INLINE int32_t	IP_SDMMC_CardWpOn (IP_SDMMC_001_T *pSDMMC)
	Detect if write protect is enabled.

STATIC INLINE int32_t	IP_SDMMC_CardNDetect (IP_SDMMC_001_T *pSDMMC)
	Detect if an SD card is inserted.

int32_t	IP_SDMMC_SendCmd (IP_SDMMC_001_T *pSDMMC, uint32_t cmd, uint32_t arg)
	Function to send command to Card interface unit (CIU)

void	IP_SDMMC_GetResponse (IP_SDMMC_001_T pSDMMC, uint32_t resp)
	Read the response from the last command.

void	IP_SDMMC_SetClock (IP_SDMMC_001_T *pSDMMC, uint32_t clk_rate, uint32_t speed)
	Sets the SD bus clock speed.

void	IP_SDMMC_SetCardType (IP_SDMMC_001_T *pSDMMC, uint32_t ctype)
	Function to set card type.

void	IP_SDMMC_SetClearIntFifo (IP_SDMMC_001_T *pSDMMC)
	Function to clear interrupt & FIFOs.

uint32_t	IP_SDMMC_GetRawIntStatus (IP_SDMMC_001_T *pSDMMC)
	Returns the raw SD interface interrupt status.

void	IP_SDMMC_SetRawIntStatus (IP_SDMMC_001_T *pSDMMC, uint32_t iVal)
	Sets the raw SD interface interrupt status.

void	IP_SDMMC_SetIntMask (IP_SDMMC_001_T *pSDMMC, uint32_t iVal)
	Sets the SD interface interrupt mask.

void	IP_SDMMC_DmaSetup (IP_SDMMC_001_T pSDMMC, sdif_device psdif_dev, uint32_t addr, uint32_t size)
	Setup DMA descriptors.

void	IP_SDMMC_SetBlkSizeByteCnt (IP_SDMMC_001_T *pSDMMC, uint32_t blk_size)
	Set block size and byte count for transfer.

void	IP_SDMMC_SetByteCnt (IP_SDMMC_001_T *pSDMMC, uint32_t bytes)
	Set byte count for transfer.

Macro Definition Documentation

#define MCI_BMOD_DE (1 << 7)

Enable internal DMAC

Definition at line 226 of file sdmmc_001.h.

#define MCI_BMOD_DSL ( len ) ((len) << 2)

Descriptor skip length

Definition at line 227 of file sdmmc_001.h.

#define MCI_BMOD_FB (1 << 1)

Fixed bursts

Definition at line 228 of file sdmmc_001.h.

#define MCI_BMOD_PBL1 (0 << 8)

Bus mode register defines.

Burst length = 1

Definition at line 218 of file sdmmc_001.h.

#define MCI_BMOD_PBL128 (6 << 8)

Burst length = 128

Definition at line 224 of file sdmmc_001.h.

#define MCI_BMOD_PBL16 (3 << 8)

Burst length = 16

Definition at line 221 of file sdmmc_001.h.

#define MCI_BMOD_PBL256 (7 << 8)

Burst length = 256

Definition at line 225 of file sdmmc_001.h.

#define MCI_BMOD_PBL32 (4 << 8)

Burst length = 32

Definition at line 222 of file sdmmc_001.h.

#define MCI_BMOD_PBL4 (1 << 8)

Burst length = 4

Definition at line 219 of file sdmmc_001.h.

#define MCI_BMOD_PBL64 (5 << 8)

Burst length = 64

Definition at line 223 of file sdmmc_001.h.

#define MCI_BMOD_PBL8 (2 << 8)

Burst length = 8

Definition at line 220 of file sdmmc_001.h.

#define MCI_BMOD_SWR (1 << 0)

Software reset of internal registers

Definition at line 229 of file sdmmc_001.h.

#define MCI_CLK_SOURCE ( clksrc ) (clksrc)

Set cklock divider source

Definition at line 137 of file sdmmc_001.h.

#define MCI_CLKEN_ENABLE (1 << 0)

Enable slot clock

Definition at line 142 of file sdmmc_001.h.

#define MCI_CLKEN_LOW_PWR (1 << 16)

SDIO Clock Enable register defines.

Enable clock idle for slot

Definition at line 141 of file sdmmc_001.h.

#define MCI_CLKSRC_CLKDIV0 0

SDIO Clock source register defines.

Definition at line 133 of file sdmmc_001.h.

#define MCI_CLKSRC_CLKDIV1 1

Definition at line 134 of file sdmmc_001.h.

#define MCI_CLKSRC_CLKDIV2 2

Definition at line 135 of file sdmmc_001.h.

#define MCI_CLKSRC_CLKDIV3 3

Definition at line 136 of file sdmmc_001.h.

#define MCI_CLOCK_DIVIDER	(	dn,
		d2
	)	((d2) << ((dn) * 8))

SDIO Clock divider register defines.

Set cklock divider

Definition at line 129 of file sdmmc_001.h.

#define MCI_CMD_BOOT_MODE (1 << 27)

Boot mode

Definition at line 180 of file sdmmc_001.h.

#define MCI_CMD_CCS_EXP (1 << 23)

CCS expected

Definition at line 184 of file sdmmc_001.h.

#define MCI_CMD_CEATA_RD (1 << 22)

CE-ATA read in progress

Definition at line 185 of file sdmmc_001.h.

#define MCI_CMD_DAT_EXP (1 << 9)

Data expected

Definition at line 193 of file sdmmc_001.h.

#define MCI_CMD_DAT_WR (1 << 10)

Read(0)/Write(1) selection

Definition at line 192 of file sdmmc_001.h.

#define MCI_CMD_DISABLE_BOOT (1 << 26)

Disable boot

Definition at line 181 of file sdmmc_001.h.

#define MCI_CMD_ENABLE_BOOT (1 << 24)

Enable boot

Definition at line 183 of file sdmmc_001.h.

#define MCI_CMD_EXPECT_BOOT_ACK (1 << 25)

Expect boot ack

Definition at line 182 of file sdmmc_001.h.

#define MCI_CMD_INDX ( n ) ((n) & 0x1F)

Definition at line 197 of file sdmmc_001.h.

#define MCI_CMD_INIT (1 << 15)

Send init sequence

Definition at line 187 of file sdmmc_001.h.

#define MCI_CMD_PRV_DAT_WAIT (1 << 13)

Wait before send

Definition at line 189 of file sdmmc_001.h.

#define MCI_CMD_RESP_CRC (1 << 8)

Check response CRC

Definition at line 194 of file sdmmc_001.h.

#define MCI_CMD_RESP_EXP (1 << 6)

Response expected

Definition at line 196 of file sdmmc_001.h.

#define MCI_CMD_RESP_LONG (1 << 7)

Response length

Definition at line 195 of file sdmmc_001.h.

#define MCI_CMD_SEND_STOP (1 << 12)

Send auto-stop

Definition at line 190 of file sdmmc_001.h.

#define MCI_CMD_START (1UL << 31)

SDIO Command register defines.

Start command

Definition at line 178 of file sdmmc_001.h.

#define MCI_CMD_STOP (1 << 14)

Stop/abort command

Definition at line 188 of file sdmmc_001.h.

#define MCI_CMD_STRM_MODE (1 << 11)

Stream transfer mode

Definition at line 191 of file sdmmc_001.h.

#define MCI_CMD_UPD_CLK (1 << 21)

Update clock register only

Definition at line 186 of file sdmmc_001.h.

#define MCI_CMD_VOLT_SWITCH (1 << 28)

Voltage switch bit

Definition at line 179 of file sdmmc_001.h.

#define MCI_CTRL_ABRT_READ_DATA (1 << 8)

Abort read data

Definition at line 115 of file sdmmc_001.h.

#define MCI_CTRL_CARDV_MASK (0x7 << 16)

SD_VOLT[2:0} pins output state mask

Definition at line 111 of file sdmmc_001.h.

#define MCI_CTRL_CEATA_INT_EN (1 << 11)

Enable CE-ATA interrupts

Definition at line 112 of file sdmmc_001.h.

#define MCI_CTRL_DMA_RESET (1 << 2)

Reset internal DMA

Definition at line 119 of file sdmmc_001.h.

#define MCI_CTRL_FIFO_RESET (1 << 1)

Reset data FIFO pointers

Definition at line 120 of file sdmmc_001.h.

#define MCI_CTRL_INT_ENABLE (1 << 4)

Global interrupt enable

Definition at line 118 of file sdmmc_001.h.

#define MCI_CTRL_READ_WAIT (1 << 6)

Assert read-wait for SDIO

Definition at line 117 of file sdmmc_001.h.

#define MCI_CTRL_RESET (1 << 0)

Reset controller

Definition at line 121 of file sdmmc_001.h.

#define MCI_CTRL_SEND_AS_CCSD (1 << 10)

Send auto-stop

Definition at line 113 of file sdmmc_001.h.

#define MCI_CTRL_SEND_CCSD (1 << 9)

Send CCSD

Definition at line 114 of file sdmmc_001.h.

#define MCI_CTRL_SEND_IRQ_RESP (1 << 7)

Send auto-IRQ response

Definition at line 116 of file sdmmc_001.h.

#define MCI_CTRL_USE_INT_DMAC (1 << 25)

SDIO control register defines.

Use internal DMA

Definition at line 110 of file sdmmc_001.h.

#define MCI_CTYPE_4BIT (1 << 0)

Enable 8-bit mode

Definition at line 154 of file sdmmc_001.h.

#define MCI_CTYPE_8BIT (1 << 16)

SDIO card-type register defines.

Enable 4-bit mode

Definition at line 153 of file sdmmc_001.h.

#define MCI_DMADES0_CES (1 << 30)

Card Error Summary bit

Definition at line 95 of file sdmmc_001.h.

#define MCI_DMADES0_CH (1 << 4)

Second address chained bit

Definition at line 97 of file sdmmc_001.h.

#define MCI_DMADES0_DIC (1 << 1)

Disable interrupt on completion bit

Definition at line 100 of file sdmmc_001.h.

#define MCI_DMADES0_ER (1 << 5)

End of descriptopr ring bit

Definition at line 96 of file sdmmc_001.h.

#define MCI_DMADES0_FS (1 << 3)

First descriptor bit

Definition at line 98 of file sdmmc_001.h.

#define MCI_DMADES0_LD (1 << 2)

Last descriptor bit

Definition at line 99 of file sdmmc_001.h.

#define MCI_DMADES0_OWN (1UL << 31)

SDIO DMA descriptor control (des0) register defines.

DMA owns descriptor bit

Definition at line 94 of file sdmmc_001.h.

#define MCI_DMADES1_BS1 ( x ) (x)

SDIO DMA descriptor size (des1) register defines.

Size of buffer 1

Definition at line 104 of file sdmmc_001.h.

#define MCI_DMADES1_BS2 ( x ) ((x) << 13)

Size of buffer 2

Definition at line 105 of file sdmmc_001.h.

#define MCI_DMADES1_MAXTR 4096

Max transfer size per buffer

Definition at line 106 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_1 (0UL << 28)

Definition at line 207 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_128 (6UL << 28)

Definition at line 213 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_16 (3UL << 28)

Definition at line 210 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_256 (7UL << 28)

Definition at line 214 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_32 (4UL << 28)

Definition at line 211 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_4 (1UL << 28)

Definition at line 208 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_64 (5UL << 28)

Definition at line 212 of file sdmmc_001.h.

#define MCI_FIFOTH_DMA_MTS_8 (2UL << 28)

Definition at line 209 of file sdmmc_001.h.

#define MCI_FIFOTH_RX_WM ( x ) (((x) & 0xFFF) << 16)

Definition at line 206 of file sdmmc_001.h.

#define MCI_FIFOTH_TX_WM ( x ) ((x) & 0xFFF)

SDIO FIFO threshold defines.

Definition at line 205 of file sdmmc_001.h.

#define MCI_INT_ACD (1 << 14)

Auto command done

Definition at line 160 of file sdmmc_001.h.

#define MCI_INT_CD (1 << 0)

Card detect

Definition at line 174 of file sdmmc_001.h.

#define MCI_INT_CMD_DONE (1 << 2)

Command done

Definition at line 172 of file sdmmc_001.h.

#define MCI_INT_DATA_OVER (1 << 3)

Data transfer over

Definition at line 171 of file sdmmc_001.h.

#define MCI_INT_DCRC (1 << 7)

Data CRC error

Definition at line 167 of file sdmmc_001.h.

#define MCI_INT_DTO (1 << 9)

Data timeout error

Definition at line 165 of file sdmmc_001.h.

#define MCI_INT_EBE (1 << 15)

End-bit error

Definition at line 159 of file sdmmc_001.h.

#define MCI_INT_FRUN (1 << 11)

FIFO overrun/underrun error

Definition at line 163 of file sdmmc_001.h.

#define MCI_INT_HLE (1 << 12)

Hardware locked error

Definition at line 162 of file sdmmc_001.h.

#define MCI_INT_HTO (1 << 10)

Host data starvation error

Definition at line 164 of file sdmmc_001.h.

#define MCI_INT_RCRC (1 << 6)

Response CRC error

Definition at line 168 of file sdmmc_001.h.

#define MCI_INT_RESP_ERR (1 << 1)

Command response error

Definition at line 173 of file sdmmc_001.h.

#define MCI_INT_RTO (1 << 8)

Response timeout error

Definition at line 166 of file sdmmc_001.h.

#define MCI_INT_RXDR (1 << 5)

RX data ready

Definition at line 169 of file sdmmc_001.h.

#define MCI_INT_SBE (1 << 13)

Start bit error

Definition at line 161 of file sdmmc_001.h.

#define MCI_INT_SDIO (1 << 16)

SDIO Interrupt status & mask register defines.

SDIO interrupt

Definition at line 158 of file sdmmc_001.h.

#define MCI_INT_TXDR (1 << 4)

TX data needed

Definition at line 170 of file sdmmc_001.h.

#define MCI_POWER_ENABLE 0x1

SDIO Power Enable register defines.

Enable slot power signal (SD_POW)

Definition at line 125 of file sdmmc_001.h.

#define MCI_STS_GET_FCNT ( x ) (((x) >> 17) & 0x1FF)

SDIO status register definess.

Definition at line 201 of file sdmmc_001.h.

#define MCI_TMOUT_DATA ( clks ) ((clks) << 8)

SDIO time-out register defines.

Data timeout clocks

Definition at line 146 of file sdmmc_001.h.

#define MCI_TMOUT_DATA_MSK 0xFFFFFF00

Definition at line 147 of file sdmmc_001.h.

#define MCI_TMOUT_RESP ( clks ) ((clks) & 0xFF)

Response timeout clocks

Definition at line 148 of file sdmmc_001.h.

#define MCI_TMOUT_RESP_MSK 0xFF

Definition at line 149 of file sdmmc_001.h.

#define SD_FIFO_SZ 32

Commonly used definitions.

Size of SDIO FIFOs (32-bit wide)

Definition at line 233 of file sdmmc_001.h.

Typedef Documentation

typedef uint32_t(* MCI_IRQ_CB_FUNC_T)(uint32_t)

Function prototype for SD interface IRQ callback

Definition at line 236 of file sdmmc_001.h.

typedef void(* PS_POWER_FUNC_T)(int32_t enable)

Function prototype for SD slot power enable or slot reset

Definition at line 242 of file sdmmc_001.h.

typedef int32_t(* PSCHECK_FUNC_T)(void)

Function prototype for SD detect and write protect status check

Definition at line 239 of file sdmmc_001.h.

Function Documentation

STATIC INLINE int32_t IP_SDMMC_CardNDetect ( IP_SDMMC_001_T * pSDMMC )

Detect if an SD card is inserted.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: Returns 0 if a card is detected, otherwise 1

Note: Detect if an SD card is inserted (uses SD_CD pin, returns 0 on card detect)

Definition at line 336 of file sdmmc_001.h.

STATIC INLINE int32_t IP_SDMMC_CardWpOn ( IP_SDMMC_001_T * pSDMMC )

Detect if write protect is enabled.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: Returns 1 if card is write protected, otherwise 0

Note: Detect if write protect is enabled (uses SD_WP pin, returns 1 if card is write protected)

Definition at line 324 of file sdmmc_001.h.

void IP_SDMMC_DeInit ( IP_SDMMC_001_T * pSDMMC )

Close the MCI.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: None

Definition at line 82 of file sdmmc_001.c.

void IP_SDMMC_DmaSetup	(	IP_SDMMC_001_T *	pSDMMC,
		sdif_device *	psdif_dev,
		uint32_t	addr,
		uint32_t	size
	)

Setup DMA descriptors.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
psdif_dev	: SD interface device
addr	: Address of buffer (source or destination)
size	: size of buffer in bytes (64K max)

Returns: None

Definition at line 209 of file sdmmc_001.c.

uint32_t IP_SDMMC_GetRawIntStatus ( IP_SDMMC_001_T * pSDMMC )

Returns the raw SD interface interrupt status.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: Raw interrupt status of Or'ed values MCI_INT_*

Definition at line 191 of file sdmmc_001.c.

void IP_SDMMC_GetResponse	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t *	resp
	)

Read the response from the last command.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
resp	: Pointer to response array to fill

Returns: None

Definition at line 128 of file sdmmc_001.c.

void IP_SDMMC_Init ( IP_SDMMC_001_T * pSDMMC )

Initializes the MCI card controller.

Parameters

pSDMMC Pointer to IP_SDMMC_001_T structure

Returns: None

Definition at line 51 of file sdmmc_001.c.

STATIC INLINE void IP_SDMMC_PowerOff ( IP_SDMMC_001_T * pSDMMC )

Disable slot power.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: None

Note: Uses SD_POW pin, set to low.

Definition at line 312 of file sdmmc_001.h.

STATIC INLINE void IP_SDMMC_PowerOn ( IP_SDMMC_001_T * pSDMMC )

Enable slot power.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: None

Note: Uses SD_POW pin, set to high.

Definition at line 301 of file sdmmc_001.h.

void IP_SDMMC_Reset	(	IP_SDMMC_001_T *	pSDMMC,
		int32_t	reset
	)

Reset card in slot.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
reset	: Sets SD_RST to passed state

Returns: None

Note: Reset card in slot, must manually de-assert reset after assertion (Uses SD_RST pin, set per reset parameter state)

Definition at line 92 of file sdmmc_001.c.

int32_t IP_SDMMC_SendCmd	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	cmd,
		uint32_t	arg
	)

Function to send command to Card interface unit (CIU)

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
cmd	: Command with all flags set
arg	: Argument for the command

Returns: TRUE on times-out, otherwise FALSE

Definition at line 103 of file sdmmc_001.c.

void IP_SDMMC_SetBlkSize	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	bytes
	)

Set block size for transfer.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
bytes	: block size in bytes

Returns: None

Definition at line 86 of file sdmmc_001.c.

void IP_SDMMC_SetBlkSizeByteCnt	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	blk_size
	)

Set block size and byte count for transfer.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
blk_size,:	block size and byte count in bytes

Returns: None

Definition at line 259 of file sdmmc_001.c.

void IP_SDMMC_SetByteCnt	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	bytes
	)

Set byte count for transfer.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
bytes	: block size and byte count in bytes

Returns: None

Definition at line 267 of file sdmmc_001.c.

void IP_SDMMC_SetCardType	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	ctype
	)

Function to set card type.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
ctype	: card type

Returns: None

Definition at line 172 of file sdmmc_001.c.

void IP_SDMMC_SetClearIntFifo ( IP_SDMMC_001_T * pSDMMC )

Function to clear interrupt & FIFOs.

Parameters

pSDMMC : Pointer to IP_SDMMC_001_T structure

Returns: None

Definition at line 178 of file sdmmc_001.c.

void IP_SDMMC_SetClock	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	clk_rate,
		uint32_t	speed
	)

Sets the SD bus clock speed.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
clk_rate	: Input clock rate into the IP block
speed	: Desired clock speed to the card

Returns: None

Definition at line 138 of file sdmmc_001.c.

void IP_SDMMC_SetIntMask	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	iVal
	)

Sets the SD interface interrupt mask.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
iVal	: Interrupts to enable, Or'ed values MCI_INT_*

Returns: None

Definition at line 203 of file sdmmc_001.c.

void IP_SDMMC_SetRawIntStatus	(	IP_SDMMC_001_T *	pSDMMC,
		uint32_t	iVal
	)

Sets the raw SD interface interrupt status.

Parameters

pSDMMC	: Pointer to IP_SDMMC_001_T structure
iVal	: Raw interrupts to set, Or'ed values MCI_INT_*

Returns: None

Definition at line 197 of file sdmmc_001.c.

Detailed Description

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

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