/* * Davinci MMC Controller Defines - Based on Linux davinci_mmc.c * * Copyright (C) 2010 Texas Instruments Incorporated * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _SDMMC_DEFS_H_ #define _SDMMC_DEFS_H_ #include /* MMC Control Reg fields */ #define MMCCTL_DATRST (1 << 0) #define MMCCTL_CMDRST (1 << 1) #define MMCCTL_WIDTH_4_BIT (1 << 2) #define MMCCTL_DATEG_DISABLED (0 << 6) #define MMCCTL_DATEG_RISING (1 << 6) #define MMCCTL_DATEG_FALLING (2 << 6) #define MMCCTL_DATEG_BOTH (3 << 6) #define MMCCTL_PERMDR_LE (0 << 9) #define MMCCTL_PERMDR_BE (1 << 9) #define MMCCTL_PERMDX_LE (0 << 10) #define MMCCTL_PERMDX_BE (1 << 10) /* MMC Clock Control Reg fields */ #define MMCCLK_CLKEN (1 << 8) #define MMCCLK_CLKRT_MASK (0xFF << 0) /* MMC Status Reg0 fields */ #define MMCST0_DATDNE (1 << 0) #define MMCST0_BSYDNE (1 << 1) #define MMCST0_RSPDNE (1 << 2) #define MMCST0_TOUTRD (1 << 3) #define MMCST0_TOUTRS (1 << 4) #define MMCST0_CRCWR (1 << 5) #define MMCST0_CRCRD (1 << 6) #define MMCST0_CRCRS (1 << 7) #define MMCST0_DXRDY (1 << 9) #define MMCST0_DRRDY (1 << 10) #define MMCST0_DATED (1 << 11) #define MMCST0_TRNDNE (1 << 12) #define MMCST0_ERR_MASK (0x00F8) /* MMC Status Reg1 fields */ #define MMCST1_BUSY (1 << 0) #define MMCST1_CLKSTP (1 << 1) #define MMCST1_DXEMP (1 << 2) #define MMCST1_DRFUL (1 << 3) #define MMCST1_DAT3ST (1 << 4) #define MMCST1_FIFOEMP (1 << 5) #define MMCST1_FIFOFUL (1 << 6) /* MMC INT Mask Reg fields */ #define MMCIM_EDATDNE (1 << 0) #define MMCIM_EBSYDNE (1 << 1) #define MMCIM_ERSPDNE (1 << 2) #define MMCIM_ETOUTRD (1 << 3) #define MMCIM_ETOUTRS (1 << 4) #define MMCIM_ECRCWR (1 << 5) #define MMCIM_ECRCRD (1 << 6) #define MMCIM_ECRCRS (1 << 7) #define MMCIM_EDXRDY (1 << 9) #define MMCIM_EDRRDY (1 << 10) #define MMCIM_EDATED (1 << 11) #define MMCIM_ETRNDNE (1 << 12) #define MMCIM_MASKALL (0xFFFFFFFF) /* MMC Resp Tout Reg fields */ #define MMCTOR_TOR_MASK (0xFF) /* dont write to reg, | it */ #define MMCTOR_TOD_20_16_SHIFT (8) /* MMC Data Read Tout Reg fields */ #define MMCTOD_TOD_0_15_MASK (0xFFFF) /* MMC Block len Reg fields */ #define MMCBLEN_BLEN_MASK (0xFFF) /* MMC Num Blocks Reg fields */ #define MMCNBLK_NBLK_MASK (0xFFFF) #define MMCNBLK_NBLK_MAX (0xFFFF) /* MMC Num Blocks Counter Reg fields */ #define MMCNBLC_NBLC_MASK (0xFFFF) /* MMC Cmd Reg fields */ #define MMCCMD_CMD_MASK (0x3F) #define MMCCMD_PPLEN (1 << 7) #define MMCCMD_BSYEXP (1 << 8) #define MMCCMD_RSPFMT_NONE (0 << 9) #define MMCCMD_RSPFMT_R1567 (1 << 9) #define MMCCMD_RSPFMT_R2 (2 << 9) #define MMCCMD_RSPFMT_R3 (3 << 9) #define MMCCMD_DTRW (1 << 11) #define MMCCMD_STRMTP (1 << 12) #define MMCCMD_WDATX (1 << 13) #define MMCCMD_INITCK (1 << 14) #define MMCCMD_DCLR (1 << 15) #define MMCCMD_DMATRIG (1 << 16) /* FIFO control Reg fields */ #define MMCFIFOCTL_FIFORST (1 << 0) #define MMCFIFOCTL_FIFODIR (1 << 1) #define MMCFIFOCTL_FIFOLEV (1 << 2) #define MMCFIFOCTL_ACCWD_4 (0 << 3) /* access width of 4 bytes */ #define MMCFIFOCTL_ACCWD_3 (1 << 3) /* access width of 3 bytes */ #define MMCFIFOCTL_ACCWD_2 (2 << 3) /* access width of 2 bytes */ #define MMCFIFOCTL_ACCWD_1 (3 << 3) /* access width of 1 byte */ /* Davinci MMC Register definitions */ struct davinci_mmc_regs { dv_reg mmcctl; dv_reg mmcclk; dv_reg mmcst0; dv_reg mmcst1; dv_reg mmcim; dv_reg mmctor; dv_reg mmctod; dv_reg mmcblen; dv_reg mmcnblk; dv_reg mmcnblc; dv_reg mmcdrr; dv_reg mmcdxr; dv_reg mmccmd; dv_reg mmcarghl; dv_reg mmcrsp01; dv_reg mmcrsp23; dv_reg mmcrsp45; dv_reg mmcrsp67; dv_reg mmcdrsp; dv_reg mmcetok; dv_reg mmccidx; dv_reg mmcckc; dv_reg mmctorc; dv_reg mmctodc; dv_reg mmcblnc; dv_reg sdioctl; dv_reg sdiost0; dv_reg sdioien; dv_reg sdioist; dv_reg mmcfifoctl; }; /* Davinci MMC board definitions */ struct davinci_mmc { struct davinci_mmc_regs *reg_base; /* Register base address */ uint input_clk; /* Input clock to MMC controller */ uint host_caps; /* Host capabilities */ uint voltages; /* Host supported voltages */ uint version; /* MMC Controller version */ }; enum { MMC_CTLR_VERSION_1 = 0, /* DM644x and DM355 */ MMC_CTLR_VERSION_2, /* DA830 */ }; int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host); #endif /* _SDMMC_DEFS_H */