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include/atmel_mci.h
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/* * Copyright (C) 2005-2006 Atmel Corporation * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __ATMEL_MCI_H__ #define __ATMEL_MCI_H__ int atmel_mci_init(void *regs); #ifndef __ASSEMBLY__ /* * Structure for struct SoC access. * Names starting with '_' are fillers. */ typedef struct atmel_mci { /* reg Offset */ u32 cr; /* 0x00 */ u32 mr; /* 0x04 */ u32 dtor; /* 0x08 */ u32 sdcr; /* 0x0c */ u32 argr; /* 0x10 */ u32 cmdr; /* 0x14 */ u32 blkr; /* 0x18 */ u32 _1c; /* 0x1c */ u32 rspr; /* 0x20 */ u32 rspr1; /* 0x24 */ u32 rspr2; /* 0x28 */ u32 rspr3; /* 0x2c */ u32 rdr; /* 0x30 */ u32 tdr; /* 0x34 */ u32 _38; /* 0x38 */ u32 _3c; /* 0x3c */ u32 sr; /* 0x40 */ u32 ier; /* 0x44 */ u32 idr; /* 0x48 */ u32 imr; /* 0x4c */ u32 dma; /* 0x50 */ u32 cfg; /* 0x54 */ u32 reserved[41]; u32 version; } atmel_mci_t; #endif /* __ASSEMBLY__ */ /* Bitfields in CR */ #define MMCI_MCIEN_OFFSET 0 #define MMCI_MCIEN_SIZE 1 #define MMCI_MCIDIS_OFFSET 1 #define MMCI_MCIDIS_SIZE 1 #define MMCI_PWSEN_OFFSET 2 #define MMCI_PWSEN_SIZE 1 #define MMCI_PWSDIS_OFFSET 3 #define MMCI_PWSDIS_SIZE 1 #define MMCI_SWRST_OFFSET 7 #define MMCI_SWRST_SIZE 1 /* Bitfields in MR */ #define MMCI_CLKDIV_OFFSET 0 #define MMCI_CLKDIV_SIZE 8 #define MMCI_PWSDIV_OFFSET 8 #define MMCI_PWSDIV_SIZE 3 #define MMCI_RDPROOF_OFFSET 11 #define MMCI_RDPROOF_SIZE 1 #define MMCI_WRPROOF_OFFSET 12 #define MMCI_WRPROOF_SIZE 1 #define MMCI_PDCPADV_OFFSET 14 #define MMCI_PDCPADV_SIZE 1 #define MMCI_PDCMODE_OFFSET 15 #define MMCI_PDCMODE_SIZE 1 /* MCI IP version >= 0x500, MR bit 16 used for CLKODD */ #define MMCI_CLKODD_OFFSET 16 #define MMCI_CLKODD_SIZE 1 /* MCI IP version < 0x200, MR higher 16bits for BLKLEN */ #define MMCI_BLKLEN_OFFSET 16 #define MMCI_BLKLEN_SIZE 16 /* Bitfields in DTOR */ #define MMCI_DTOCYC_OFFSET 0 #define MMCI_DTOCYC_SIZE 4 #define MMCI_DTOMUL_OFFSET 4 #define MMCI_DTOMUL_SIZE 3 /* Bitfields in SDCR */ #define MMCI_SCDSEL_OFFSET 0 #define MMCI_SCDSEL_SIZE 4 #define MMCI_SCDBUS_OFFSET 7 #define MMCI_SCDBUS_SIZE 1 /* Bitfields in ARGR */ #define MMCI_ARG_OFFSET 0 #define MMCI_ARG_SIZE 32 /* Bitfields in CMDR */ #define MMCI_CMDNB_OFFSET 0 #define MMCI_CMDNB_SIZE 6 #define MMCI_RSPTYP_OFFSET 6 #define MMCI_RSPTYP_SIZE 2 #define MMCI_SPCMD_OFFSET 8 #define MMCI_SPCMD_SIZE 3 #define MMCI_OPDCMD_OFFSET 11 #define MMCI_OPDCMD_SIZE 1 #define MMCI_MAXLAT_OFFSET 12 #define MMCI_MAXLAT_SIZE 1 #define MMCI_TRCMD_OFFSET 16 #define MMCI_TRCMD_SIZE 2 #define MMCI_TRDIR_OFFSET 18 #define MMCI_TRDIR_SIZE 1 #define MMCI_TRTYP_OFFSET 19 #define MMCI_TRTYP_SIZE 2 /* Bitfields in BLKR */ /* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */ #define MMCI_BCNT_OFFSET 0 #define MMCI_BCNT_SIZE 16 /* Bitfields in RSPRx */ #define MMCI_RSP_OFFSET 0 #define MMCI_RSP_SIZE 32 /* Bitfields in SR/IER/IDR/IMR */ #define MMCI_CMDRDY_OFFSET 0 #define MMCI_CMDRDY_SIZE 1 #define MMCI_RXRDY_OFFSET 1 #define MMCI_RXRDY_SIZE 1 #define MMCI_TXRDY_OFFSET 2 #define MMCI_TXRDY_SIZE 1 #define MMCI_BLKE_OFFSET 3 #define MMCI_BLKE_SIZE 1 #define MMCI_DTIP_OFFSET 4 #define MMCI_DTIP_SIZE 1 #define MMCI_NOTBUSY_OFFSET 5 #define MMCI_NOTBUSY_SIZE 1 #define MMCI_ENDRX_OFFSET 6 #define MMCI_ENDRX_SIZE 1 #define MMCI_ENDTX_OFFSET 7 #define MMCI_ENDTX_SIZE 1 #define MMCI_RXBUFF_OFFSET 14 #define MMCI_RXBUFF_SIZE 1 #define MMCI_TXBUFE_OFFSET 15 #define MMCI_TXBUFE_SIZE 1 #define MMCI_RINDE_OFFSET 16 #define MMCI_RINDE_SIZE 1 #define MMCI_RDIRE_OFFSET 17 #define MMCI_RDIRE_SIZE 1 #define MMCI_RCRCE_OFFSET 18 #define MMCI_RCRCE_SIZE 1 #define MMCI_RENDE_OFFSET 19 #define MMCI_RENDE_SIZE 1 #define MMCI_RTOE_OFFSET 20 #define MMCI_RTOE_SIZE 1 #define MMCI_DCRCE_OFFSET 21 #define MMCI_DCRCE_SIZE 1 #define MMCI_DTOE_OFFSET 22 #define MMCI_DTOE_SIZE 1 #define MMCI_OVRE_OFFSET 30 #define MMCI_OVRE_SIZE 1 #define MMCI_UNRE_OFFSET 31 #define MMCI_UNRE_SIZE 1 /* Constants for DTOMUL */ #define MMCI_DTOMUL_1_CYCLE 0 #define MMCI_DTOMUL_16_CYCLES 1 #define MMCI_DTOMUL_128_CYCLES 2 #define MMCI_DTOMUL_256_CYCLES 3 #define MMCI_DTOMUL_1024_CYCLES 4 #define MMCI_DTOMUL_4096_CYCLES 5 #define MMCI_DTOMUL_65536_CYCLES 6 #define MMCI_DTOMUL_1048576_CYCLES 7 /* Constants for RSPTYP */ #define MMCI_RSPTYP_NO_RESP 0 #define MMCI_RSPTYP_48_BIT_RESP 1 #define MMCI_RSPTYP_136_BIT_RESP 2 /* Constants for SPCMD */ #define MMCI_SPCMD_NO_SPEC_CMD 0 #define MMCI_SPCMD_INIT_CMD 1 #define MMCI_SPCMD_SYNC_CMD 2 #define MMCI_SPCMD_INT_CMD 4 #define MMCI_SPCMD_INT_RESP 5 /* Constants for TRCMD */ #define MMCI_TRCMD_NO_TRANS 0 #define MMCI_TRCMD_START_TRANS 1 #define MMCI_TRCMD_STOP_TRANS 2 /* Constants for TRTYP */ #define MMCI_TRTYP_BLOCK 0 #define MMCI_TRTYP_MULTI_BLOCK 1 #define MMCI_TRTYP_STREAM 2 /* Bitfields in CFG */ #define MMCI_FIFOMODE_OFFSET 0 #define MMCI_FIFOMODE_SIZE 1 #define MMCI_FERRCTRL_OFFSET 4 #define MMCI_FERRCTRL_SIZE 1 #define MMCI_HSMODE_OFFSET 8 #define MMCI_HSMODE_SIZE 1 #define MMCI_LSYNC_OFFSET 12 #define MMCI_LSYNC_SIZE 1 /* Bit manipulation macros */ #define MMCI_BIT(name) \ (1 << MMCI_##name##_OFFSET) #define MMCI_BF(name,value) \ (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \ << MMCI_##name##_OFFSET) #define MMCI_BFEXT(name,value) \ (((value) >> MMCI_##name##_OFFSET)\ & ((1 << MMCI_##name##_SIZE) - 1)) #define MMCI_BFINS(name,value,old) \ (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \ << MMCI_##name##_OFFSET)) \ | MMCI_BF(name,value)) #endif /* __ATMEL_MCI_H__ */ |