/************************************************************************* * * Used with ICCARM and AARM. * * (c) Copyright IAR Systems 2008 * * File name : sd_card_mode.h * Description : SD/MMC diver include file * * History : * 1. Date : 30, July 2008 * Author : Stanimir Bonev * Description : Create * * $Revision: #1 $ **************************************************************************/ #include "includes.h" #ifndef __SD_CARD_MODE_H #define __SD_CARD_MODE_H #ifdef SD_CARD_MODE_GLOBAL #define SD_CARD_MODE_EXTERN #else #define SD_CARD_MODE_EXTERN extern #endif #define SD_DISK_LUN 0 #define SD_DEF_BLK_SIZE 512 // Hardware depends definitions #define IdentificationModeClock 400KHZ #define PC_PCSPI1 (1<<10) #define PC_PCSPI0 (1<<8) // SD Maximum Block Rad Access Time #define RD_TIME_OUT 100LL // ms // SD Maximum Block Write Access Time #define WR_TIME_OUT 250LL // ms typedef enum _SdState_t { SdOk = 0, SdNoPresent, SdNoResponse, SdCardError, SdMiscompare, SdDmaError } SdState_t; typedef enum _SdCmdInd_t { CMD0 = 0, // Resets the MultiMediaCard CMD1, // Activates the card’s initialization process CMD2, // Asks all cards to send its card identification (CID) CMD3, // Set relative address CMD7, // Select/deselect card the card is selected by its own relative // address and deselected by any other address; address 0 deselects all. CMD8, // Send Interface Condition Command // for HC cards only CMD9, // Asks the selected card to send its card-specific data (CSD) CMD10, // Asks the selected card to send its card identification (CID) CMD12, // Stop transmission on multiple block read CMD13, // Asks the selected card to send its status register CMD16, // Selects a block length (in bytes) for all following block commands (read and write) CMD17, // Reads a block of the size selected by the SET_BLOCKLEN command CMD18, // Continuously transfers data blocks from card to host // until interrupted by a Stop command or the requested number of data blocks transmitted CMD24, // Writes a block of the size selected by the SET_BLOCKLEN command CMD25, // Continuously writes blocks of data until a ‘Stop Tran’ // Token or the requested number of blocks received CMD27, // Programming of the programmable bits of the CSD CMD28, // If the card has write protection features, this // command sets the write protection bit of the // addressed group. The properties of write protection // are coded in the card specific data (WP_GRP_SIZE). CMD29, // If the card has write protection features, this // command clears the write protection bit of the addressed group CMD30, // If the card has write protection features, this // command asks the card to send the status of the write protection bits CMD32, // Sets the address of the first sector of the erase group CMD33, // Sets the address of the last sector in a continuous // range within the selected erase group, or the address // of a single sector to be selected for erase CMD34, // Removes one previously selected sector from the erase selection CMD35, // Sets the address of the first erase group within a range to be selected for erase CMD36, // Sets the address of the last erase group within a // continuous range to be selected for erase CMD37, // Removes one previously selected erase group from the erase selection. CMD38, // Erases all previously selected sectors CMD42, // Used to set/reset the password or lock/unlock the // card. The size of the Data Block is defined by the SET_BLOCK_LEN command CMD55, // Notifies the card that the next command is an // application specific command rather than a standard command. CMD56, // Used either to transfer a Data Block to the card or // to get a Data Block from the card for general // purpose/application specific commands. The size // of the Data Block is defined with SET_BLOCK_LEN command ACMD6, // Defines the data bus width (’00’=1bit or’10’=4 bits bus) // (Only for SD) ACMD41, // Activates the card’s initialization process (Only for SD) CMD_END // End of commands index } SdCmdInd_t; #define OcrReg 0x40FF8000 #define OcrReg_HC 0x40000000 #define Cmd8Reg 0x000001AA // Card Status register #define READY_FOR_DATA ( 1UL << 8) #define CURRENT_STATE (0xFUL << 9) #define ERASE_RESET ( 1UL << 13) #define CARD_ECC_DISABLED ( 1UL << 14) #define WP_ERASE_SKIP ( 1UL << 15) #define CID_CSD_OVERWRITE ( 1UL << 16) #define ERROR ( 1UL << 17) #define ILLEGAL_COMMAND ( 1UL << 22) #define COM_CRC_ERROR ( 1UL << 23) #define WP_VIOLATION ( 1UL << 26) #define ERASE_PARAM ( 1UL << 27) #define ERASE_SEQ_ERROR ( 1UL << 28) #define BLOCK_LEN_ERROR ( 1UL << 29) #define ADDRESS_ERROR ( 1UL << 30) #define OUT_OF_RANGE ( 1UL << 31) // Card states #define CARD_IDLE (0UL << 9) #define CARD_READY (1UL << 9) #define CARD_IDENT (2UL << 9) #define CARD_STBY (3UL << 9) #define CARD_TRAN (4UL << 9) #define CARD_DATA (5UL << 9) #define CARD_RCV (6UL << 9) #define CARD_PRG (7UL << 9) #define CARD_DIS (8UL << 9) typedef enum _SdAgmType_t { SdNoArg = 0, SdBlockLen, SdDataAdd, SdRelAddr, SdOcr, } SdAgmType_t; typedef enum _MmcRespType_t { SdNoResp = 0,SdR1,SdR1b,SdR2,SdR3,SdR7 } SdRespType_t; typedef struct _SdCommads_t { Int8U TxData; SdAgmType_t Arg; SdRespType_t Resp; } SdCommads_t; typedef union _DataCtrl_t { Int32U Data; struct { Int32U ENABLE : 1; Int32U DIRECTION : 1; Int32U MODE : 1; Int32U DMAENABLE : 1; Int32U BLOCKSIZE : 4; Int32U :24; }; } DataCtrl_t, *pDataCtrl_t; extern void DelayResolution100us(Int32U Delay); extern Int32U SYS_GetFpclk(Int32U Periphery); #define SdDly_1ms(Delay) DelayResolution100us((10 * Delay)) /************************************************************************* * Function Name: _SdPresent * Parameters: none * Return: Boolean - true cart present * - false cart no present * * Description: SD/MMC present check * *************************************************************************/ static Boolean _SdPresent (void); /************************************************************************* * Function Name: _SdWriteProtect * Parameters: none * Return: Boolean - true cart is protected * - false cart no protected * * Description: SD/MMC write protect status * *************************************************************************/ static Boolean _SdWriteProtect (void); /************************************************************************* * Function Name: _SdSetClockFreq * Parameters: Int32U Frequency * Return: Int32U * * Description: Set SD/MMC ckl frequency * *************************************************************************/ static Int32U _SdSetClockFreq (Int32U Frequency); /************************************************************************* * Function Name: _SdInit * Parameters: none * Return: none * * Description: Init MCI module and Cart Present and Write Protect pins * *************************************************************************/ static void _SdInit (void); /************************************************************************* * Function Name: _SdPowerDown * Parameters: none * Return: none * * Description: Set power down state * *************************************************************************/ static void _SdPowerDown (void); /************************************************************************* * Function Name: _SdSendCmd * Parameters: SdCmdInd_t ComdInd,Int32U Arg * * Return: SdState_t * * Description: SD/MMC commands implement * *************************************************************************/ static SdState_t _SdSendCmd(SdCmdInd_t ComdInd,pInt32U pArg); /************************************************************************* * Function Name: _SdInitMedia * Parameters: none * * Return: SdState_t * * Description: SD/MMC detect and initialize * *************************************************************************/ static SdState_t _SdInitMedia (void); /************************************************************************* * Function Name: _SdCsdImplemet * Parameters: none * * Return: none * * Description: Implement data from CSD * *************************************************************************/ static void _SdCsdImplemet (void); /************************************************************************* * Function Name: _SdRead * Parameters: pInt8U pData, Int32U Add, Int32U Length * * Return: SdState_t * * Description: Read from SD/MMC * *************************************************************************/ static inline SdState_t _SdRead(pInt8U pData, Int32U Add, Int32U Length); /************************************************************************* * Function Name: _SdWrite * Parameters: const Int8U * pData, Int32U Add, Int32U Length * * Return: SdState_t * * Description: Write to SD/MMC * *************************************************************************/ static inline SdState_t _SdWrite(const Int8U * pData, Int32U Add, Int32U Length); /************************************************************************* * Function Name: MmcVerify * Parameters: const Int8U * pData, Int32U Add, Int32U Length * * Return: SdState_t * * Description: Verify data in SD/MMC * *************************************************************************/ static inline SdState_t _SdVerify(const Int8U * pData, Int32U Add, Int32U Length); /************************************************************************* * Function Name: SdGetLastError * Parameters: none * * Return: Int32U * * Description: Return Last error * *************************************************************************/ Int32U SdGetLastError(void); /************************************************************************* * Function Name: SdStatusUpdate * Parameters: none * * Return: none * * Description: Update status of SD/MMC card * *************************************************************************/ void SdStatusUpdate (void); /************************************************************************* * Function Name: SdDiskInit * Parameters: none * * Return: none * * Description: Init MMC/SD disk * *************************************************************************/ void SdDiskInit (void); /************************************************************************* * Function Name: SdGetDiskCtrlBkl * Parameters: none * * Return: pDiskCtrlBlk_t * * Description: Return pointer to control block structure of the disk * *************************************************************************/ pDiskCtrlBlk_t SdGetDiskCtrlBkl (void); /************************************************************************* * Function Name: SdDiskIO * Parameters: pInt8U pData,Int32U BlockStart, * Int32U BlockNum, DiskIoRequest_t IoRequest * * Return: DiskStatusCode_t * * Description: MMC/SD disk I/O * *************************************************************************/ DiskStatusCode_t SdDiskIO (pInt8U pData,Int32U BlockStart, Int32U BlockNum, DiskIoRequest_t IoRequest); #endif // __SD_CARD_MODE_H