1 /* 2 * FSL SD/MMC Defines 3 *------------------------------------------------------------------- 4 * 5 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __FSL_ESDHC_H__ 11 #define __FSL_ESDHC_H__ 12 13 #include <asm/errno.h> 14 #include <asm/byteorder.h> 15 16 /* needed for the mmc_cfg definition */ 17 #include <mmc.h> 18 19 /* FSL eSDHC-specific constants */ 20 #define SYSCTL 0x0002e02c 21 #define SYSCTL_INITA 0x08000000 22 #define SYSCTL_TIMEOUT_MASK 0x000f0000 23 #define SYSCTL_CLOCK_MASK 0x0000fff0 24 #define SYSCTL_CKEN 0x00000008 25 #define SYSCTL_PEREN 0x00000004 26 #define SYSCTL_HCKEN 0x00000002 27 #define SYSCTL_IPGEN 0x00000001 28 #define SYSCTL_RSTA 0x01000000 29 #define SYSCTL_RSTC 0x02000000 30 #define SYSCTL_RSTD 0x04000000 31 32 #define IRQSTAT 0x0002e030 33 #define IRQSTAT_DMAE (0x10000000) 34 #define IRQSTAT_AC12E (0x01000000) 35 #define IRQSTAT_DEBE (0x00400000) 36 #define IRQSTAT_DCE (0x00200000) 37 #define IRQSTAT_DTOE (0x00100000) 38 #define IRQSTAT_CIE (0x00080000) 39 #define IRQSTAT_CEBE (0x00040000) 40 #define IRQSTAT_CCE (0x00020000) 41 #define IRQSTAT_CTOE (0x00010000) 42 #define IRQSTAT_CINT (0x00000100) 43 #define IRQSTAT_CRM (0x00000080) 44 #define IRQSTAT_CINS (0x00000040) 45 #define IRQSTAT_BRR (0x00000020) 46 #define IRQSTAT_BWR (0x00000010) 47 #define IRQSTAT_DINT (0x00000008) 48 #define IRQSTAT_BGE (0x00000004) 49 #define IRQSTAT_TC (0x00000002) 50 #define IRQSTAT_CC (0x00000001) 51 52 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE) 53 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \ 54 IRQSTAT_DMAE) 55 #define DATA_COMPLETE (IRQSTAT_TC | IRQSTAT_DINT) 56 57 #define IRQSTATEN 0x0002e034 58 #define IRQSTATEN_DMAE (0x10000000) 59 #define IRQSTATEN_AC12E (0x01000000) 60 #define IRQSTATEN_DEBE (0x00400000) 61 #define IRQSTATEN_DCE (0x00200000) 62 #define IRQSTATEN_DTOE (0x00100000) 63 #define IRQSTATEN_CIE (0x00080000) 64 #define IRQSTATEN_CEBE (0x00040000) 65 #define IRQSTATEN_CCE (0x00020000) 66 #define IRQSTATEN_CTOE (0x00010000) 67 #define IRQSTATEN_CINT (0x00000100) 68 #define IRQSTATEN_CRM (0x00000080) 69 #define IRQSTATEN_CINS (0x00000040) 70 #define IRQSTATEN_BRR (0x00000020) 71 #define IRQSTATEN_BWR (0x00000010) 72 #define IRQSTATEN_DINT (0x00000008) 73 #define IRQSTATEN_BGE (0x00000004) 74 #define IRQSTATEN_TC (0x00000002) 75 #define IRQSTATEN_CC (0x00000001) 76 77 #define PRSSTAT 0x0002e024 78 #define PRSSTAT_DAT0 (0x01000000) 79 #define PRSSTAT_CLSL (0x00800000) 80 #define PRSSTAT_WPSPL (0x00080000) 81 #define PRSSTAT_CDPL (0x00040000) 82 #define PRSSTAT_CINS (0x00010000) 83 #define PRSSTAT_BREN (0x00000800) 84 #define PRSSTAT_BWEN (0x00000400) 85 #define PRSSTAT_DLA (0x00000004) 86 #define PRSSTAT_CICHB (0x00000002) 87 #define PRSSTAT_CIDHB (0x00000001) 88 89 #define PROCTL 0x0002e028 90 #define PROCTL_INIT 0x00000020 91 #define PROCTL_DTW_4 0x00000002 92 #define PROCTL_DTW_8 0x00000004 93 94 #define CMDARG 0x0002e008 95 96 #define XFERTYP 0x0002e00c 97 #define XFERTYP_CMD(x) ((x & 0x3f) << 24) 98 #define XFERTYP_CMDTYP_NORMAL 0x0 99 #define XFERTYP_CMDTYP_SUSPEND 0x00400000 100 #define XFERTYP_CMDTYP_RESUME 0x00800000 101 #define XFERTYP_CMDTYP_ABORT 0x00c00000 102 #define XFERTYP_DPSEL 0x00200000 103 #define XFERTYP_CICEN 0x00100000 104 #define XFERTYP_CCCEN 0x00080000 105 #define XFERTYP_RSPTYP_NONE 0 106 #define XFERTYP_RSPTYP_136 0x00010000 107 #define XFERTYP_RSPTYP_48 0x00020000 108 #define XFERTYP_RSPTYP_48_BUSY 0x00030000 109 #define XFERTYP_MSBSEL 0x00000020 110 #define XFERTYP_DTDSEL 0x00000010 111 #define XFERTYP_AC12EN 0x00000004 112 #define XFERTYP_BCEN 0x00000002 113 #define XFERTYP_DMAEN 0x00000001 114 115 #define CINS_TIMEOUT 1000 116 #define PIO_TIMEOUT 100000 117 118 #define DSADDR 0x2e004 119 120 #define CMDRSP0 0x2e010 121 #define CMDRSP1 0x2e014 122 #define CMDRSP2 0x2e018 123 #define CMDRSP3 0x2e01c 124 125 #define DATPORT 0x2e020 126 127 #define WML 0x2e044 128 #define WML_WRITE 0x00010000 129 #ifdef CONFIG_FSL_SDHC_V2_3 130 #define WML_RD_WML_MAX 0x80 131 #define WML_WR_WML_MAX 0x80 132 #define WML_RD_WML_MAX_VAL 0x0 133 #define WML_WR_WML_MAX_VAL 0x0 134 #define WML_RD_WML_MASK 0x7f 135 #define WML_WR_WML_MASK 0x7f0000 136 #else 137 #define WML_RD_WML_MAX 0x10 138 #define WML_WR_WML_MAX 0x80 139 #define WML_RD_WML_MAX_VAL 0x10 140 #define WML_WR_WML_MAX_VAL 0x80 141 #define WML_RD_WML_MASK 0xff 142 #define WML_WR_WML_MASK 0xff0000 143 #endif 144 145 #define BLKATTR 0x2e004 146 #define BLKATTR_CNT(x) ((x & 0xffff) << 16) 147 #define BLKATTR_SIZE(x) (x & 0x1fff) 148 #define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */ 149 150 #define ESDHC_HOSTCAPBLT_VS18 0x04000000 151 #define ESDHC_HOSTCAPBLT_VS30 0x02000000 152 #define ESDHC_HOSTCAPBLT_VS33 0x01000000 153 #define ESDHC_HOSTCAPBLT_SRS 0x00800000 154 #define ESDHC_HOSTCAPBLT_DMAS 0x00400000 155 #define ESDHC_HOSTCAPBLT_HSS 0x00200000 156 157 struct fsl_esdhc_cfg { 158 u32 esdhc_base; 159 u32 sdhc_clk; 160 u8 max_bus_width; 161 struct mmc_config cfg; 162 }; 163 164 /* Select the correct accessors depending on endianess */ 165 #if __BYTE_ORDER == __LITTLE_ENDIAN 166 #define esdhc_read32 in_le32 167 #define esdhc_write32 out_le32 168 #define esdhc_clrsetbits32 clrsetbits_le32 169 #define esdhc_clrbits32 clrbits_le32 170 #define esdhc_setbits32 setbits_le32 171 #elif __BYTE_ORDER == __BIG_ENDIAN 172 #define esdhc_read32 in_be32 173 #define esdhc_write32 out_be32 174 #define esdhc_clrsetbits32 clrsetbits_be32 175 #define esdhc_clrbits32 clrbits_be32 176 #define esdhc_setbits32 setbits_be32 177 #else 178 #error "Endianess is not defined: please fix to continue" 179 #endif 180 181 #ifdef CONFIG_FSL_ESDHC 182 int fsl_esdhc_mmc_init(bd_t *bis); 183 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg); 184 void fdt_fixup_esdhc(void *blob, bd_t *bd); 185 #else 186 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; } 187 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {} 188 #endif /* CONFIG_FSL_ESDHC */ 189 void __noreturn mmc_boot(void); 190 191 #endif /* __FSL_ESDHC_H__ */ 192