1 /* 2 * FSL SD/MMC Defines 3 *------------------------------------------------------------------- 4 * 5 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 * 22 *------------------------------------------------------------------- 23 * 24 */ 25 26 #ifndef __FSL_ESDHC_H__ 27 #define __FSL_ESDHC_H__ 28 29 #include <asm/errno.h> 30 #include <asm/byteorder.h> 31 32 /* FSL eSDHC-specific constants */ 33 #define SYSCTL 0x0002e02c 34 #define SYSCTL_INITA 0x08000000 35 #define SYSCTL_TIMEOUT_MASK 0x000f0000 36 #define SYSCTL_CLOCK_MASK 0x0000fff0 37 #define SYSCTL_RSTA 0x01000000 38 #define SYSCTL_CKEN 0x00000008 39 #define SYSCTL_PEREN 0x00000004 40 #define SYSCTL_HCKEN 0x00000002 41 #define SYSCTL_IPGEN 0x00000001 42 #define SYSCTL_RSTA 0x01000000 43 44 #define IRQSTAT 0x0002e030 45 #define IRQSTAT_DMAE (0x10000000) 46 #define IRQSTAT_AC12E (0x01000000) 47 #define IRQSTAT_DEBE (0x00400000) 48 #define IRQSTAT_DCE (0x00200000) 49 #define IRQSTAT_DTOE (0x00100000) 50 #define IRQSTAT_CIE (0x00080000) 51 #define IRQSTAT_CEBE (0x00040000) 52 #define IRQSTAT_CCE (0x00020000) 53 #define IRQSTAT_CTOE (0x00010000) 54 #define IRQSTAT_CINT (0x00000100) 55 #define IRQSTAT_CRM (0x00000080) 56 #define IRQSTAT_CINS (0x00000040) 57 #define IRQSTAT_BRR (0x00000020) 58 #define IRQSTAT_BWR (0x00000010) 59 #define IRQSTAT_DINT (0x00000008) 60 #define IRQSTAT_BGE (0x00000004) 61 #define IRQSTAT_TC (0x00000002) 62 #define IRQSTAT_CC (0x00000001) 63 64 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE) 65 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE) 66 67 #define IRQSTATEN 0x0002e034 68 #define IRQSTATEN_DMAE (0x10000000) 69 #define IRQSTATEN_AC12E (0x01000000) 70 #define IRQSTATEN_DEBE (0x00400000) 71 #define IRQSTATEN_DCE (0x00200000) 72 #define IRQSTATEN_DTOE (0x00100000) 73 #define IRQSTATEN_CIE (0x00080000) 74 #define IRQSTATEN_CEBE (0x00040000) 75 #define IRQSTATEN_CCE (0x00020000) 76 #define IRQSTATEN_CTOE (0x00010000) 77 #define IRQSTATEN_CINT (0x00000100) 78 #define IRQSTATEN_CRM (0x00000080) 79 #define IRQSTATEN_CINS (0x00000040) 80 #define IRQSTATEN_BRR (0x00000020) 81 #define IRQSTATEN_BWR (0x00000010) 82 #define IRQSTATEN_DINT (0x00000008) 83 #define IRQSTATEN_BGE (0x00000004) 84 #define IRQSTATEN_TC (0x00000002) 85 #define IRQSTATEN_CC (0x00000001) 86 87 #define PRSSTAT 0x0002e024 88 #define PRSSTAT_CLSL (0x00800000) 89 #define PRSSTAT_WPSPL (0x00080000) 90 #define PRSSTAT_CDPL (0x00040000) 91 #define PRSSTAT_CINS (0x00010000) 92 #define PRSSTAT_BREN (0x00000800) 93 #define PRSSTAT_BWEN (0x00000400) 94 #define PRSSTAT_DLA (0x00000004) 95 #define PRSSTAT_CICHB (0x00000002) 96 #define PRSSTAT_CIDHB (0x00000001) 97 98 #define PROCTL 0x0002e028 99 #define PROCTL_INIT 0x00000020 100 #define PROCTL_DTW_4 0x00000002 101 #define PROCTL_DTW_8 0x00000004 102 103 #define CMDARG 0x0002e008 104 105 #define XFERTYP 0x0002e00c 106 #define XFERTYP_CMD(x) ((x & 0x3f) << 24) 107 #define XFERTYP_CMDTYP_NORMAL 0x0 108 #define XFERTYP_CMDTYP_SUSPEND 0x00400000 109 #define XFERTYP_CMDTYP_RESUME 0x00800000 110 #define XFERTYP_CMDTYP_ABORT 0x00c00000 111 #define XFERTYP_DPSEL 0x00200000 112 #define XFERTYP_CICEN 0x00100000 113 #define XFERTYP_CCCEN 0x00080000 114 #define XFERTYP_RSPTYP_NONE 0 115 #define XFERTYP_RSPTYP_136 0x00010000 116 #define XFERTYP_RSPTYP_48 0x00020000 117 #define XFERTYP_RSPTYP_48_BUSY 0x00030000 118 #define XFERTYP_MSBSEL 0x00000020 119 #define XFERTYP_DTDSEL 0x00000010 120 #define XFERTYP_AC12EN 0x00000004 121 #define XFERTYP_BCEN 0x00000002 122 #define XFERTYP_DMAEN 0x00000001 123 124 #define CINS_TIMEOUT 1000 125 #define PIO_TIMEOUT 100000 126 127 #define DSADDR 0x2e004 128 129 #define CMDRSP0 0x2e010 130 #define CMDRSP1 0x2e014 131 #define CMDRSP2 0x2e018 132 #define CMDRSP3 0x2e01c 133 134 #define DATPORT 0x2e020 135 136 #define WML 0x2e044 137 #define WML_WRITE 0x00010000 138 #ifdef CONFIG_FSL_SDHC_V2_3 139 #define WML_RD_WML_MAX 0x80 140 #define WML_WR_WML_MAX 0x80 141 #define WML_RD_WML_MAX_VAL 0x0 142 #define WML_WR_WML_MAX_VAL 0x0 143 #define WML_RD_WML_MASK 0x7f 144 #define WML_WR_WML_MASK 0x7f0000 145 #else 146 #define WML_RD_WML_MAX 0x10 147 #define WML_WR_WML_MAX 0x80 148 #define WML_RD_WML_MAX_VAL 0x10 149 #define WML_WR_WML_MAX_VAL 0x80 150 #define WML_RD_WML_MASK 0xff 151 #define WML_WR_WML_MASK 0xff0000 152 #endif 153 154 #define BLKATTR 0x2e004 155 #define BLKATTR_CNT(x) ((x & 0xffff) << 16) 156 #define BLKATTR_SIZE(x) (x & 0x1fff) 157 #define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */ 158 159 #define ESDHC_HOSTCAPBLT_VS18 0x04000000 160 #define ESDHC_HOSTCAPBLT_VS30 0x02000000 161 #define ESDHC_HOSTCAPBLT_VS33 0x01000000 162 #define ESDHC_HOSTCAPBLT_SRS 0x00800000 163 #define ESDHC_HOSTCAPBLT_DMAS 0x00400000 164 #define ESDHC_HOSTCAPBLT_HSS 0x00200000 165 166 struct fsl_esdhc_cfg { 167 u32 esdhc_base; 168 u32 no_snoop; 169 }; 170 171 /* Select the correct accessors depending on endianess */ 172 #if __BYTE_ORDER == __LITTLE_ENDIAN 173 #define esdhc_read32 in_le32 174 #define esdhc_write32 out_le32 175 #define esdhc_clrsetbits32 clrsetbits_le32 176 #define esdhc_clrbits32 clrbits_le32 177 #define esdhc_setbits32 setbits_le32 178 #elif __BYTE_ORDER == __BIG_ENDIAN 179 #define esdhc_read32 in_be32 180 #define esdhc_write32 out_be32 181 #define esdhc_clrsetbits32 clrsetbits_be32 182 #define esdhc_clrbits32 clrbits_be32 183 #define esdhc_setbits32 setbits_be32 184 #else 185 #error "Endianess is not defined: please fix to continue" 186 #endif 187 188 #ifdef CONFIG_FSL_ESDHC 189 int fsl_esdhc_mmc_init(bd_t *bis); 190 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg); 191 void fdt_fixup_esdhc(void *blob, bd_t *bd); 192 #else 193 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; } 194 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {} 195 #endif /* CONFIG_FSL_ESDHC */ 196 197 #endif /* __FSL_ESDHC_H__ */ 198