📄 itmmcsd.h
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/********************************************************************************itmmcsd.h -> driver for the MMC/SD Card controller on Texas Instruments DM275,DM320 SoC.August 19, 2005 Nathan J. Crawford.Copyright 2005 Ingenient Technologies, Inc.This driver supports basic operations for the TI DM275 MMC/SD controller.********************************************************************************/#ifndef TIDM275_H#define TIDM275_H//#include "../include/ingenient-devices.h"#define IT_DMA_WRITE 1#define IT_DMW_READ 0#define SD_CARD_DETECT_BIT 2 #define SD_CARD_WP_BIT 1#define IO_CLK_MMCCLK 0x0482#define MMC_CLK_ENABLE (1 << 8)/* Yes, this should probably go in asm/arch/gio.h */typedef enum { gio_output = 0, gio_input }gio_direction;/* just to be on the safe side, define some standard data types. */#define u8 unsigned char#define u16 unsigned short#define u32 unsigned long#define s8 signed char#define s16 signed short#define s32 signed long#if 1#define MMC_INT_DAT3 (1 << 11)#define MMC_INT_DAT_RCV_RDY (1 << 10)#define MMC_INT_DAT_TRX_RDY (1 << 9)#define MMC_INT_RSP_CRC_ERROR (1 << 7)#define MMC_INT_READ_CRC_ERROR (1 << 6)#define MMC_INT_WRITE_CRC_ERROR (1 << 5)#define MMC_INT_RSP_TIMEOUT (1 << 4)#define MMC_INT_READ_TIMEOUT (1 << 3)#define MMC_INT_RSP_DONE (1 << 2)#define MMC_INT_BUSY_DONE (1 << 1)#define MMC_INT_DATA_DONE (1 << 0)#define MMC_INT_DAT_RCV_RDY_S1 (1 << 3)#define MMC_INT_DAT_TRX_RDY_S1 (1 << 2)/* Response Macros */#define MMCSD_RSPNONE (0x0000)#define MMCSD_RSP1 (0x0200)#define MMCSD_RSP2 (0x0400)#define MMCSD_RSP3 (0x0600)#define MMCSD_RSP4 MMCSD_RSP1#define MMCSD_RSP5 MMCSD_RSP1#define MMCSD_RSP6 MMCSD_RSP1/*Insert 80 CLK cycles*/#define MMC_INITCK (0x4000)/*Write enable */#define MMC_WR_EN (0x0800) /*data transfer*/#define MMCSD_DATA_TRANS (0x2000)/* Command Macros */#define MMCSD_CMD0 (0x0000)#define MMCSD_CMD1 (0x0001)#define MMCSD_CMD2 (0x0002)#define MMCSD_CMD3 (0x0003)#define MMCSD_CMD4 (0x0004)#define MMCSD_CMD5 (0x0005)#define MMCSD_CMD6 (0x0006)#define MMCSD_CMD7 (0x0007)#define MMCSD_CMD8 (0x0008)#define MMCSD_CMD9 (0x0009)#define MMCSD_CMD10 (0x000A)#define MMCSD_CMD11 (0x000B)#define MMCSD_CMD12 (0x000C)#define MMCSD_CMD13 (0x000D)#define MMCSD_CMD14 (0x000E)#define MMCSD_CMD15 (0x000F)#define MMCSD_CMD16 (0x0010)#define MMCSD_CMD17 (0x0011)#define MMCSD_CMD18 (0x0012)#define MMCSD_CMD19 (0x0013)#define MMCSD_CMD20 (0x0014)#define MMCSD_CMD21 (0x0015)#define MMCSD_CMD22 (0x0016)#define MMCSD_CMD23 (0x0017)#define MMCSD_CMD24 (0x0018)#define MMCSD_CMD25 (0x0019)#define MMCSD_CMD26 (0x001A)#define MMCSD_CMD27 (0x001B)#define MMCSD_CMD28 (0x001C)#define MMCSD_CMD29 (0x001D)#define MMCSD_CMD30 (0x001E)#define MMCSD_CMD31 (0x001F)#define MMCSD_CMD32 (0x0020)#define MMCSD_CMD33 (0x0021)#define MMCSD_CMD34 (0x0022)#define MMCSD_CMD35 (0x0023)#define MMCSD_CMD36 (0x0024)#define MMCSD_CMD37 (0x0025)#define MMCSD_CMD38 (0x0026)#define MMCSD_CMD39 (0x0027)#define MMCSD_CMD40 (0x0028)#define MMCSD_CMD41 (0x0029)#define MMCSD_CMD42 (0x002A)#define MMCSD_CMD43 (0x002B)#define MMCSD_CMD44 (0x002C)#define MMCSD_CMD45 (0x002D)#define MMCSD_CMD46 (0x002E)#define MMCSD_CMD47 (0x002F)#define MMCSD_CMD48 (0x0030)#define MMCSD_CMD49 (0x0031)#define MMCSD_CMD50 (0x0032)#define MMCSD_CMD51 (0x0033)#define MMCSD_CMD52 (0x0034)#define MMCSD_CMD53 (0x0035)#define MMCSD_CMD54 (0x0036)#define MMCSD_CMD55 (0x0037)#define MMCSD_CMD56 (0x0038)#define MMCSD_CMD57 (0x0039)#define MMCSD_CMD58 (0x003A)#define MMCSD_CMD59 (0x003B)#define MMCSD_CMD60 (0x003C)#define MMCSD_CMD61 (0x003D)#define MMCSD_CMD62 (0x003E)#define MMCSD_CMD63 (0x003F)#define MMCSD_CMD64 (0x0040)/*OCR request voltage*/ #define OCR_REQUEST (0x00100000)/*Busy expected*/#define MMCSD_BSYEXP (0x0100)/* Commands and their responses *//* MMC and SD */#define MMCSD_GO_IDLE_STATE (MMCSD_CMD0 | MMCSD_RSPNONE)#define MMCSD_ALL_SEND_CID (MMCSD_CMD2 | MMCSD_RSP2 )#define MMCSD_ALL_SEND_CID_INITCK (MMCSD_CMD2 | MMCSD_RSP2 | MMC_INITCK)#define MMCSD_SEND_RELATIVE_ADDRESS (MMCSD_CMD3 | MMCSD_RSP6)#define SD_SEND_OP_COND (MMCSD_CMD41 | MMCSD_RSP3)#define SD_SEND_SD_STATUS (MMCSD_CMD41 | MMCSD_RSP1)#define SD_SEND_SCR (MMCSD_CMD51 | MMCSD_RSP1)#define MMCSD_SET_DSR (MMCSD_CMD4 | MMCSD_RSPNONE)#define MMCSD_SELECT_CARD (MMCSD_CMD7 | MMCSD_RSP1)#define MMCSD_DESELECT_CARD (MMCSD_CMD7 )#define MMCSD_SEND_CSD (MMCSD_CMD9 | MMCSD_RSP2)#define MMCSD_SEND_CID (MMCSD_CMD10| MMCSD_RSP2)#define MMCSD_SEND_STATUS (MMCSD_CMD13 | MMCSD_RSP1)#define MMCSD_GO_INACTIVE_STATE (MMCSD_CMD15 | MMCSD_RSPNONE)#define MMCSD_APP_CMD (MMCSD_CMD55 | MMCSD_RSP1 )#define MMCSD_STOP_TRANSMISSION (MMCSD_CMD12 | MMCSD_RSP1 | MMCSD_BSYEXP)#define MMCSD_READ_MULTIPLE_BLOCK (MMCSD_CMD18 | MMCSD_RSP1)#define MMCSD_WRITE_MULTIPLE_BLOCK (MMCSD_CMD25 | MMCSD_RSP1 ) /*| MMCSD_BSYEXP)*//* Common to SPI & MMC */#define MMCSD_SET_BLOCKLEN (MMCSD_CMD16 | MMCSD_RSP1 )#define MMCSD_PROGRAM_CSD (MMCSD_CMD27 | MMCSD_RSP1 | MMCSD_BSYEXP) /* MMC-bsy, SPI-bsy optional */#define MMCSD_SET_WRITE_PROT (MMCSD_CMD28 | MMCSD_RSP1 | MMCSD_BSYEXP)#define MMCSD_CLR_WRITE_PROT (MMCSD_CMD29 | MMCSD_RSP1 | MMCSD_BSYEXP)#define MMCSD_SEND_WRITE_PROT (MMCSD_CMD30 | MMCSD_RSP1)#define MMCSD_READ_SINGLE_BLOCK (MMCSD_CMD17 | MMCSD_RSP1 )#define MMCSD_WRITE_BLOCK (MMCSD_CMD24 | MMCSD_RSP1 )/*| MMC_BSYEXP)*//* Commands and their responses *//* MMC */#if 0#define MMC_SEND_OP_COND (MMCSD_CMD1 | MMCSD_RSP3 )#define MMC_SET_RELATIVE_ADDR (MMCSD_CMD3 | MMCSD_RSP1)#define MMC_READ_DAT_UNTIL_STOP (MMCSD_CMD11 | MMCSD_RSP1)#define MMC_WRITE_DAT_UNTIL_STOP (MMCSD_CMD20 | MMCSD_RSP1 | MMCSD_BSYEXP)#define MMC_PROGRAM_CID (MMCSD_CMD26 | MMCSD_RSP1 | MMCSD_BSYEXP) /* Programmed only once by Manufacturer. Hence not implemented */#define MMC_FAST_IO (MMCSD_CMD39 | MMCSD_RSP4 )#define MMC_GO_IRQ_STATE (MMCSD_CMD40 | MMCSD_RSP5 )#define MMC_LOCK_UNLOCK (MMCSD_CMD42 | MMCSD_RSP1 | MMCSD_BSYEXP)#define MMC_GEN_CMD (MMCSD_CMD56 | MMCSD_RSP1 | MMCSD_BSYEXP)#endif/* SPI */#define MMC_SPI_GO_IDLE_STATE (MMCSD_CMD0 | MMCSD_RSP1)#define MMC_SPI_SEND_OP_COND (MMCSD_CMD1 | MMCSD_RSP1)#define MMC_SPI_SEND_CSD (MMCSD_CMD9 | MMCSD_RSP1)#define MMC_SPI_SEND_CID (MMCSD_CMD10| MMCSD_RSP1)#define MMC_SPI_SEND_STATUS (MMCSD_CMD13 | MMCSD_RSP2)#define MMC_CRC_ON_OFF (MMCSD_CMD59 | MMCSD_RSP1)/* Common to SPI & MMC */#define MMC_SET_BLOCKCOUNT (MMCSD_CMD23 | MMCSD_RSP1 )#define MMC_TAG_SECTOR_START (MMCSD_CMD32 | MMCSD_RSP1)#define MMC_TAG_SECTOR_END (MMCSD_CMD33 | MMCSD_RSP1)#define MMC_UNTAG_SECTOR (MMCSD_CMD34 | MMCSD_RSP1)#define MMC_TAG_ERASE_GROUP_START (MMCSD_CMD35 | MMCSD_RSP1)#define MMC_TAG_ERASE_GROUP_END (MMCSD_CMD36 | MMCSD_RSP1)#define MMC_UNTAG_ERASE_GROUP (MMCSD_CMD37 | MMCSD_RSP1)//#define MMC_ERASE (MMCSD_CMD38 | MMCSD_RSP1 | MMCSD_BSYEXP)#endif#endif⌨️ 快捷键说明
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