at91_mci.c

References Functions:	At91MciBlockRead()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciBlockWrite()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciIOCtrl()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciInit()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciMount()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciUnmount()	nut/arch/arm/dev/atmel/at91_mci.c
References Variables:	mci0_info	nut/arch/arm/dev/atmel/at91_mci.c

Included Files

#include <nut/include/cfg/arch.h>

#include <nut/include/cfg/arch/gpio.h>

#include <nut/include/cfg/mmci.h>

#include <nut/include/errno.h>

#include <nut/include/include2/string.h>

#include <nut/include/include2/stdlib.h>

#include <nut/include/sys/heap.h>

#include <nut/include/sys/timer.h>

#include <nut/include/sys/event.h>

#include <nut/include/fs/dospart.h>

#include <nut/include/fs/fs.h>

#include <nut/include/dev/blockdev.h>

#include <nut/include/dev/mmcard.h>

#include <nut/include/dev/at91_mci.h>

Preprocessor definitions

#define MMC_BLOCK_SIZE 512

#define MCI_INI_BITRATE 400000

#define MCI_MMC_BITRATE 20000000

#define MCI_SDC_BITRATE 25000000

#define MMCARD_VRANGE

#define MMC_PINS_A

#define MMC_PINS_B

#define MCICMD_ALL_SEND_CID

#define MCICMD_DESELECT_CARD MMCMD_SELECT_CARD

#define MCICMD_GO_IDLE_STATE MMCMD_GO_IDLE_STATE

#define MCICMD_READ_SINGLE_BLOCK

#define MCICMD_SELECT_CARD

#define MCICMD_SEND_APP_CMD

#define MCICMD_SEND_APP_OP_COND

#define MCICMD_SEND_OP_COND

#define MCICMD_SEND_RELATIVE_ADDR

#define MCICMD_SEND_STATUS

#define MCICMD_SET_BLOCKLEN

#define MCICMD_WRITE_BLOCK

#define MCICMD_IERROR

#define MCICMD_ERROR

#define MCIFLG_SDCARD 0x00000001

#define MCIFLG_4BIT 0x00000010

Typedef MCIFC

typedef struct _MCIFC MCIFC

`struct _MCIFC`
`{`
`uint32_t ifc_config;`
`uint32_t ifc_opcond;`
`uint32_t ifc_reladdr;`
`uint8_t* ifc_buff;`
`uint32_t ifc_resp[4];`
`uint32_t ifc_cid[4];`
`}`

Typedef MCIFCB

typedef struct _MCIFCB MCIFCB

`struct _MCIFCB`
`{`
`NUTDEVICE* fcb_fsdev;`
`DOSPART fcb_part;`
`uint32_t fcb_blknum;`
`uint8_t fcb_blkbuf[512];`
`}`

Global Variable devAt91Mci0

NUTDEVICE devAt91Mci0

Visible in:

nut/arch/arm/dev/atmel/at91_mci.c

Local Variables

mutex
static HANDLE mutex

Used in:	At91MciMount()
	At91MciReadSingle()
	At91MciWriteSingle()

mci0_info
static MCIFC mci0_info

Used in:

nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciBlockRead()

static int At91MciBlockRead ( NUTFILE* nfp, void* buffer, int num )

Calls:	At91MciReadSingle()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReset()	nut/arch/arm/dev/atmel/at91_mci.c
Used in:		nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciBlockWrite()

static int At91MciBlockWrite ( NUTFILE* nfp, const void* buffer, int num )

Calls:	At91MciWriteSingle()	nut/arch/arm/dev/atmel/at91_mci.c
Used in:		nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciClockDiv()

static uint32_t At91MciClockDiv ( uint32_t clk )

Calls:	NutArchClockGet()
Called by:	At91MciDiscover()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReset()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciDisablePins()

static void At91MciDisablePins ( void )

Called by:	At91MciDiscover()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReadSingle()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciWriteSingle()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciDiscover()

static int At91MciDiscover ( MCIFC* ifc )

Calls:	At91MciClockDiv()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciDisablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciEnablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciTxCmd()	nut/arch/arm/dev/atmel/at91_mci.c
	NutSleep(), memcpy()
Called by:	At91MciMount()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciEnablePins()

static void At91MciEnablePins ( void )

Called by:	At91MciDiscover()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReadSingle()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciWriteSingle()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciIOCtrl()

static int At91MciIOCtrl ( NUTDEVICE* dev, int req, void* conf )

Used in:

nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciInit()

static int At91MciInit ( NUTDEVICE* dev )

Calls:	At91MciReset()	nut/arch/arm/dev/atmel/at91_mci.c
Used in:		nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciMount()

static NUTFILE* At91MciMount ( NUTDEVICE* dev, const char* name, int mode, int acc )

Calls:	At91MciDiscover()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReadSingle()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciUnmount()	nut/arch/arm/dev/atmel/at91_mci.c
	NutEventPost(), NutHeapRootAlloc(), NutHeapRootAllocClear(), NutHeapRootFree(), atoi(), strcmp()
Used in:		nut/arch/arm/dev/atmel/at91_mci.c
References Variables:	mutex	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciReadSingle()

static int At91MciReadSingle ( MCIFC* ifc, uint32_t blk, uint8_t* buf )

Calls:	At91MciDisablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciEnablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciTxCmd()	nut/arch/arm/dev/atmel/at91_mci.c
	NutEventPost(), NutEventWait()
Called by:	At91MciBlockRead()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciMount()	nut/arch/arm/dev/atmel/at91_mci.c
References Variables:	mutex	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciReset()

static void At91MciReset ( int init )

Calls:	At91MciClockDiv()	nut/arch/arm/dev/atmel/at91_mci.c
Called by:	At91MciBlockRead()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciInit()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciTxCmd()

static uint32_t At91MciTxCmd ( MCIFC* ifc, uint32_t cmd, uint32_t param )

Called by:	At91MciDiscover()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciReadSingle()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciWriteSingle()	nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciUnmount()

static int At91MciUnmount ( NUTFILE* nfp )

Calls:	NutHeapRootFree()
Called by:	At91MciMount()	nut/arch/arm/dev/atmel/at91_mci.c
Used in:		nut/arch/arm/dev/atmel/at91_mci.c

Local Function At91MciWriteSingle()

static int At91MciWriteSingle ( MCIFC* ifc, uint32_t blk, const uint8_t* buf )

Calls:	At91MciDisablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciEnablePins()	nut/arch/arm/dev/atmel/at91_mci.c
	At91MciTxCmd()	nut/arch/arm/dev/atmel/at91_mci.c
	NutEventPost(), NutEventWait()
Called by:	At91MciBlockWrite()	nut/arch/arm/dev/atmel/at91_mci.c
References Variables:	mutex	nut/arch/arm/dev/atmel/at91_mci.c