xllp_mmc.h

Xcale270Bsp包,wince平台

/******************************************************************************
**
**  COPYRIGHT (C) 2001, 2002 Intel Corporation.
**
**  This software as well as the software described in it is furnished under
**  license and may only be used or copied in accordance with the terms of the
**  license. The information in this file is furnished for informational use
**  only, is subject to change without notice, and should not be construed as
**  a commitment by Intel Corporation. Intel Corporation assumes no
**  responsibility or liability for any errors or inaccuracies that may appear
**  in this document or any software that may be provided in association with
**  this document. 
**  Except as permitted by such license, no part of this document may be 
**  reproduced, stored in a retrieval system, or transmitted in any form or by
**  any means without the express written consent of Intel Corporation. 
**
**  FILENAME:       xllp_MMC.h
**
******************************************************************************/
// note that this will not be in there in the end; this is only for testing purposes
#ifndef __MMC_H__
#define __MMC_H__

#include "xllp_common.h"

/**
  MMC Register Definitions
**/

typedef struct 
{
    XLLP_VUINT32_T MMC_STRPCL;	   	/* Control to start/stop mmc/sd clock */
    XLLP_VUINT32_T MMC_STAT;	   	/* status register*/
    XLLP_VUINT32_T MMC_CLKRT;	    /* clock rate */
    XLLP_VUINT32_T MMC_SPI;			/* SPI mode control bits */
    XLLP_VUINT32_T MMC_CMDAT; 	/* command/response/data sequence control */
    XLLP_VUINT32_T MMC_RESTO;		/* expected response timout */
    XLLP_VUINT32_T MMC_RDTO;		/* expected data read timeout */
    XLLP_VUINT32_T MMC_BLKLEN;		/* block length of data transaction */
    XLLP_VUINT32_T MMC_NUMBLK;      /* number of block for block mode */
    XLLP_VUINT32_T MMC_PRTBUF;      /* partial mmc_txfifo written  */
    XLLP_VUINT32_T MMC_I_MASK;		/* interrupt mask */
    XLLP_VUINT32_T MMC_I_REG;		/* interrupt register */
    XLLP_VUINT32_T MMC_CMD;			/* index of current command */
    XLLP_VUINT32_T MMC_ARGH;	   	/* MSW part of the current command arg */
    XLLP_VUINT32_T MMC_ARGL;		/* LSW p art of the current command arg */
    XLLP_VUINT32_T MMC_RES;         /* response fifo */
    XLLP_VUINT32_T MB_RXFIFO;	/* receive fifo for single byte */
    XLLP_VUINT32_T MB_TXFIFO;	/* transmit fifo for single byte */
    XLLP_VUINT32_T MMC_RDWAIT; 	/* reserved for different fifo */
    XLLP_VUINT32_T MMC_BLKS_REM;	 	/* SD CMDAT register */

							
} XLLP_MMC_T, *P_XLLP_MMC_T;

/*  mmc start and stop clock register  */
#define XLLP_STRPCL_STPCLK	 	XLLP_BIT_0;	  // stop clock; writing 1 stops the MMC clock
#define XLLP_STRPCL_STRTCLK		XLLP_BIT_1;	 // start clock; writing 1 starts the MMC clock
													// bit automatically cleared to 0

// MMC 	status register
#define  XLLP_STAT_TORD		 	    XLLP_BIT_0   //  read timed out
#define  XLLP_STAT_TORSPNS	  		XLLP_BIT_1 	//   card response timed out
#define  XLLP_STAT_CRCWRERR	 	    XLLP_BIT_2   //  card observed erroneous transmission of data
#define  XLLP_STAT_CRCRDERR	     	XLLP_BIT_3   //   crc error on recieved data				
#define  XLLP_STAT_DATAERRTKN  	    XLLP_BIT_4 	//  spi data error token has been received
#define  XLLP_STAT_RESCRCERR	 	XLLP_BIT_5 	// response crc error
#define  XLLP_STAT_CLKEN		 	XLLP_BIT_8 	//MMC clock is on	
#define  XLLP_STAT_FLASHERR		    XLLP_BIT_9 	//MMC clock is on	
#define  XLLP_STAT_SPIWRERR	 	    XLLP_BIT_10 	//data rejected by card due to error	
#define  XLLP_STAT_DATATRANDONE  	XLLP_BIT_11 	//  data transmission card has completed
#define  XLLP_STAT_PRGDONE		  	XLLP_BIT_12   // card has finished programming and is not busy
#define  XLLP_STAT_ENDCMDRES	  	XLLP_BIT_13 	//  command and response sequence has completed
#define  XLLP_STAT_RDSTALLED	  	XLLP_BIT_14 	// read transfer stalled due to response RD_WAIT
#define  XLLP_STAT_SDIOINT		  	XLLP_BIT_15   // an SDIO interrupt occured
#define  XLLP_STAT_SDIOSUSPENDACK  	XLLP_BIT_16 	//  SDIO data transfer suspended by SDIO card

//  MMC Clock rate register
#define  XLLP_CLKRT				0x7 

typedef	enum 
{
	  XLLP_MMC_19_5MHz 	= 0x0,
	  XLLP_MMC_9_75MHz 	= 0x1,
	  XLLP_MMC_4_88MHz	= 0x2,
	  XLLP_MMC_2_44MHz 	= 0x3,
	  XLLP_MMC_1_22MHz 	= 0x4,
	  XLLP_MMC_609KHz 	= 0x5,
	  XLLP_MMC_304KHz	= 0x6

}XLLP_MMC_CLKRATE;


//  MMC SPI register
#define  XLLP_MMC_SPI_MODE		   	XLLP_BIT_0  	//  enables spi mode
#define  XLLP_MMC_SPI_CRCEN	   		XLLP_BIT_1   //  enable crc generation and verification
#define  XLLP_MMC_SPI_CSEN			XLLP_BIT_2   // enables spi chip select
#define  XLLP_MMC_SPI_CSADDR		XLLP_BIT_3   // 1 enables CS1  0 enable CS0

//  MMC command data register
#define  XLLP_MMC_CMDAT_RESTYPE	0x3 
typedef	enum 
{
	  XLLP_MMC_NORESPONSE 	= 0x0,
	  XLLP_MMC_MMCSPIR1		= 0x1,
	  XLLP_MMC_MMCSPIR2		= 0x2,
	  XLLP_MMC_MMCR3		= 0x3

}XLLP_MMC_RESPFRMT;

#define  XLLP_MMC_CMDAT_DATAEN		XLLP_BIT_2   //  current command includes data
#define  XLLP_MMC_CMDAT_WRRD		XLLP_BIT_3 	// 0 specifies a read  1 specifies a write
#define  XLLP_MMC_CMDAT_STRMBLK		XLLP_BIT_4   //current command is in stream block mode
#define  XLLP_MMC_CMDAT_BUSY		XLLP_BIT_5   // specifies whether a busy signal is expected after
												//  after current command   for no data trans. only
#define  XLLP_MMC_CMDAT_INIT		XLLP_BIT_6   // precede command sequence with 80 clocks
#define  XLLP_MMC_CMDAT_DMAEN		XLLP_BIT_7 	//  DMA mode
//this is also part of the CMDAT reg but specificly only if MMC_SD_CMDAT register is used 
#define  XLLP_MMC_CMDAT_SD4DAT		XLLP_BIT_8   // (1)enable 4 bit data transfer; only valid for SD 

#define  XLLP_MMC_CMDAT_STOPTRANS	XLLP_BIT_10 	// stops data transfers
#define  XLLP_MMC_CMDAT_SDIOINTEN	XLLP_BIT_11 	// enables control to look for SDIO interrupts from card 
#define  XLLP_MMC_CMDAT_SDIOSUSPEND	XLLP_BIT_12 	// SDIO CMD52, suspend current data transfers
#define  XLLP_MMC_CMDAT_SDIORESUME	XLLP_BIT_13 	// SDIO CMD52, resumes a currently suspended data transfer

//  MMC Resto register
#define  XLLP_MMC_RESTOBITS  		0x7f 

//  MMC read time out register
#define  XLLP_MMC_RDTOBITS	 		0xffff 

//  MMC block length register
#define  XLLP_MMC_BLKLENBITS		0xfff 

//  MMC number of blocks register
#define  XLLP_MMC_NUMBLKBITS		0xffff 

//  MMC partial full buffer register			
#define  XLLP_MMC_PRTBUF	   		XLLP_BIT_0   //  buffer is partially full and must be swapped to the other transmit buffer

//  MMC interrupt mask register
#define  XLLP_MMC_I_MASK_DATATRANSDONE	  	XLLP_BIT_0   // data transfer is done
#define  XLLP_MMC_I_MASK_PRGDONE	  		XLLP_BIT_1  // programming is done
#define  XLLP_MMC_I_MASK_ENDCMDRES	  		XLLP_BIT_2  //  end command response
#define  XLLP_MMC_I_MASK_STOPCMD	  		XLLP_BIT_3   // ready for stop transaction command
#define  XLLP_MMC_I_MASK_CLKISOFF	  		XLLP_BIT_4  // clock is off
#define  XLLP_MMC_I_MASK_RXFIFORDREQ	  	XLLP_BIT_5   //receive fifo read request
#define  XLLP_MMC_I_MASK_TXFIFOWRREQ	  	XLLP_BIT_6   //  transmit fifo write request
#define  XLLP_MMC_I_MASK_TINT	  			XLLP_BIT_7   //  transmit fifo write request
#define  XLLP_MMC_I_MASK_DATERR		  		XLLP_BIT_8   // data error
#define  XLLP_MMC_I_MASK_RESERR		  		XLLP_BIT_9  // response error
#define  XLLP_MMC_I_MASK_RDSTALLED		  	XLLP_BIT_10   //card stalled in response to RD_WAIT
#define  XLLP_MMC_I_MASK_SDIOINT		  	XLLP_BIT_11  //  SDIO Interrupt
#define  XLLP_MMC_I_MASK_SDIOSUSPENDACK		XLLP_BIT_12   //  SDIO data trans. suspended by SDIO card

//  MMC current interrupt register
#define  XLLP_MMC_I_REG_DATATRANSDONE	  	XLLP_BIT_0   // data transfer is done   cleared by the mmc_stat[dataDone]
#define  XLLP_MMC_I_REG_PRGDONE	  		    XLLP_BIT_1  // programming is done   cleared by the mmc_stat[prgDone]
#define  XLLP_MMC_I_REG_ENDCMDRES	  		XLLP_BIT_2  //  end command response   cleared by the mmc_stat[endCmdRes]
#define  XLLP_MMC_I_REG_STOPCMD	  		    XLLP_BIT_3   // ready for stop transaction command   cleared when cmd12 is loaded
#define  XLLP_MMC_I_REG_CLKISOFF	  		XLLP_BIT_4  // clock is off   cleared by the mmc_stat[clkEn]
#define  XLLP_MMC_I_REG_RXFIFORDREQ	 	    XLLP_BIT_5   //receive fifo read request  cleared after each read but immediately
												// set again unless the fifo is empty
#define  XLLP_MMC_I_REG_TXFIFOWRREQ	  	    XLLP_BIT_6   //  transmit fifo write request  cleared after each write but immediately
												// set again unless the fifo is empty
#define  XLLP_MMC_I_REG_TINT	  			XLLP_BIT_7   //  transmit fifo write request
#define  XLLP_MMC_I_MASK_DATERR		  		XLLP_BIT_8   // data error has occured
#define  XLLP_MMC_I_MASK_RESERR		  		XLLP_BIT_9  // response error has occured
#define  XLLP_MMC_I_MASK_RDSTALLED		  	XLLP_BIT_10   //card stalled in response to RD_WAIT
#define  XLLP_MMC_I_MASK_SDIOINT		  	XLLP_BIT_11  //  SDIO Interrupt	has occured
#define  XLLP_MMC_I_MASK_SDIOSUSPENDACK		XLLP_BIT_12   //  SDIO data trans. suspended by SDIO card
																						
//  MMC Command registers that specifies the commands
#define  XLLP_MMC_CMDBITS		  	0x3f 

typedef	enum
	{
	  XLLP_MMC_SPICMD0		= 0x0,	// go idle state
	  XLLP_MMC_SPICMD1		= 0x1,	// send op command
	  XLLP_MMC_CMD2			= 0x2,	// all send cid
	  XLLP_MMC_CMD3			= 0x3,	// set relative addr
	  XLLP_MMC_CMD4			= 0x4,	// set dsr
	  XLLP_MMC_CMD7			= 0x7,	 // select/deselect card
	  XLLP_MMC_SPICMD9		= 0x9,	// send csd
	  XLLP_MMC_SPICMD10		= 0xa,	// send cid
	  XLLP_MMC_CMD11		= 0xb,	//  read data until stop
	  XLLP_MMC_CMD12		= 0xc,	 // stop transmission
	  XLLP_MMC_SPICMD13		= 0xd,	 // send status
	  XLLP_MMC_CMD15		= 0xf,	// go inactive state
	  XLLP_MMC_SPICMD16		= 0x10,	//  set block length
	  XLLP_MMC_SPICMD17		= 0x11,	// read single block
	  XLLP_MMC_CMD18		= 0x12,	//  read multiple block
	  XLLP_MMC_CMD20		= 0x14,	 // write data until stop
	  XLLP_MMC_SPICMD24		= 0x18,	 // write block
	  XLLP_MMC_CMD25		= 0x19,	 // write multiple block
	  XLLP_MMC_CMD26		= 0x1a,	// program CID
	  XLLP_MMC_SPICMD27		= 0x1b,	// program CSD
	  XLLP_MMC_SPICMD28		= 0x1c,	// set write prot
	  XLLP_MMC_SPICMD29		= 0x1d,  // clr write prot
	  XLLP_MMC_SPICMD30		= 0x1e,	// send write prot
	  XLLP_MMC_SPICMD32		= 0x20,	 // tag sector start
	  XLLP_MMC_SPICMD33		= 0x21,	// tag sector end
	  XLLP_MMC_SPICMD34		= 0x22,	// untag sector
	  XLLP_MMC_SPICMD35		= 0x23,	// tag erase group start
	  XLLP_MMC_SPICMD36		= 0x24,	//  tag erase group end
	  XLLP_MMC_SPICMD37		= 0x25,	 // untag erase group
	  XLLP_MMC_SPICMD38		= 0x26,	 // erase
	  XLLP_MMC_CMD39		= 0x27,	//fast IO
	  XLLP_MMC_CMD40		= 0x28,	// go irq state
	  XLLP_MMC_SPICMD42		= 0x2a,	// lock-unlock
	  XLLP_MMC_SPICMD55		= 0x37,	// app cmd
	  XLLP_MMC_SPICMD56		= 0x38,	//  gen cmd
	  XLLP_SPI_CMD58		= 0x3a,	 // read ocr
	  XLLP_SPI_CMD59		= 0x3b,	 // crc on-off
	  XLLP_MMC_CMD60		= 0x3c,	// reserved for manufacturer
	  XLLP_MMC_CMD61		= 0x3d,	 // reserved for manufacturer
	  XLLP_MMC_CMD62		= 0x3e,	// reserved for manufacturer
	  XLLP_MMC_CMD63		= 0x3f,	 // reserved for manufacturer
	  XLLP_SD_ACMD6	        = 0x146,
	  XLLP_SD_ACMD13        = 0x14D,
	  XLLP_SD_ACMD22	    = 0x156,
	  XLLP_SD_ACMD23	    = 0x157,
	  XLLP_SD_ACMD41		= 0x169,
	  XLLP_SD_ACMD42		= 0x16a,
	  XLLP_SD_ACMD51      	= 0x173

} XLLP_MMC_CMD;


//  MMC upper 16 bits of the argument for the current command
#define  XLLP_MMC_ARGHBITS	  		0xffff 

//  MMC lower 16 bits of the argument for the current command
#define  XLLP_MMC_ARGLBITS	  		0xffff 

//  MMC response fifo
#define  XLLP_MMC_RESFIFOBITS	  	0xffff 

//  MMC  Receive fifo
#define  XLLP_MMC_RXFIFOBYTE	  	0xff 

//  MMC transmit fifo
#define  XLLP_MMC_TXFIFOBYTE	  	0xff 

// SDIO RD_WAIT register
#define  XLLP_SDIO_RDWAITEN			XLLP_BIT_0	 // RD_WAIT enabled
#define  XLLP_SDIO_RDWAITSTART		XLLP_BIT_1	 // restart the read data transfer

//  mmc blks remaining register
#define  XLLP_MMC_BLKSREM			0xffff	 // the number of blocks not transferred


// function prototypes
void XllpMmcSdHWInit(P_XLLP_GPIO_T GpioReg, 
						P_XLLP_CLKMGR_T ClckReg, 
						P_XLLP_BCR_T BcrReg);
void XllpMmcSdHwShutdown(P_XLLP_CLKMGR_T ClckReg, P_XLLP_BCR_T BcrReg); 
void XllpMmcSetUpClock(P_XLLP_MMC_T mmcRegs, XLLP_MMC_CLKRATE rate, XLLP_BOOL_T strClck);
void XllpMmcXtractResp(P_XLLP_MMC_T mmcRegs, P_XLLP_UINT16_T buff, XLLP_MMC_RESPFRMT response);
XLLP_BOOL_T XllpMmcSdSetupCmd(P_XLLP_MMC_T mmcRegs, XLLP_MMC_CMD cmd, 
							XLLP_INT32_T arg, XLLP_INT32_T To, XLLP_BOOL_T fourBitMode);
XLLP_BOOL_T XllpMmcSdSetupXCmd(P_XLLP_MMC_T mmcRegs, XLLP_INT32_T FlSz, 
							XLLP_INT32_T BlkSz, XLLP_INT32_T To);
void XllpMmcSdInts(P_XLLP_MMC_T mmcRegs, XLLP_INT8_T SetMask);



#endif // end of .h file