include/fsl_esdhc.h

   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_CKEN             0x00000008
  38 #define SYSCTL_PEREN            0x00000004
  39 #define SYSCTL_HCKEN            0x00000002
  40 #define SYSCTL_IPGEN            0x00000001
  41 #define SYSCTL_RSTA             0x01000000
  42 #define SYSCTL_RSTC             0x02000000
  43 #define SYSCTL_RSTD             0x04000000
  44
  45 #define IRQSTAT                 0x0002e030
  46 #define IRQSTAT_DMAE            (0x10000000)
  47 #define IRQSTAT_AC12E           (0x01000000)
  48 #define IRQSTAT_DEBE            (0x00400000)
  49 #define IRQSTAT_DCE             (0x00200000)
  50 #define IRQSTAT_DTOE            (0x00100000)
  51 #define IRQSTAT_CIE             (0x00080000)
  52 #define IRQSTAT_CEBE            (0x00040000)
  53 #define IRQSTAT_CCE             (0x00020000)
  54 #define IRQSTAT_CTOE            (0x00010000)
  55 #define IRQSTAT_CINT            (0x00000100)
  56 #define IRQSTAT_CRM             (0x00000080)
  57 #define IRQSTAT_CINS            (0x00000040)
  58 #define IRQSTAT_BRR             (0x00000020)
  59 #define IRQSTAT_BWR             (0x00000010)
  60 #define IRQSTAT_DINT            (0x00000008)
  61 #define IRQSTAT_BGE             (0x00000004)
  62 #define IRQSTAT_TC              (0x00000002)
  63 #define IRQSTAT_CC              (0x00000001)
  64
  65 #define CMD_ERR         (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
  66 #define DATA_ERR        (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
  67                                 IRQSTAT_DMAE)
  68 #define DATA_COMPLETE   (IRQSTAT_TC | IRQSTAT_DINT)
  69
  70 #define IRQSTATEN               0x0002e034
  71 #define IRQSTATEN_DMAE          (0x10000000)
  72 #define IRQSTATEN_AC12E         (0x01000000)
  73 #define IRQSTATEN_DEBE          (0x00400000)
  74 #define IRQSTATEN_DCE           (0x00200000)
  75 #define IRQSTATEN_DTOE          (0x00100000)
  76 #define IRQSTATEN_CIE           (0x00080000)
  77 #define IRQSTATEN_CEBE          (0x00040000)
  78 #define IRQSTATEN_CCE           (0x00020000)
  79 #define IRQSTATEN_CTOE          (0x00010000)
  80 #define IRQSTATEN_CINT          (0x00000100)
  81 #define IRQSTATEN_CRM           (0x00000080)
  82 #define IRQSTATEN_CINS          (0x00000040)
  83 #define IRQSTATEN_BRR           (0x00000020)
  84 #define IRQSTATEN_BWR           (0x00000010)
  85 #define IRQSTATEN_DINT          (0x00000008)
  86 #define IRQSTATEN_BGE           (0x00000004)
  87 #define IRQSTATEN_TC            (0x00000002)
  88 #define IRQSTATEN_CC            (0x00000001)
  89
  90 #define PRSSTAT                 0x0002e024
  91 #define PRSSTAT_DAT0            (0x01000000)
  92 #define PRSSTAT_CLSL            (0x00800000)
  93 #define PRSSTAT_WPSPL           (0x00080000)
  94 #define PRSSTAT_CDPL            (0x00040000)
  95 #define PRSSTAT_CINS            (0x00010000)
  96 #define PRSSTAT_BREN            (0x00000800)
  97 #define PRSSTAT_BWEN            (0x00000400)
  98 #define PRSSTAT_DLA             (0x00000004)
  99 #define PRSSTAT_CICHB           (0x00000002)
 100 #define PRSSTAT_CIDHB           (0x00000001)
 101
 102 #define PROCTL                  0x0002e028
 103 #define PROCTL_INIT             0x00000020
 104 #define PROCTL_DTW_4            0x00000002
 105 #define PROCTL_DTW_8            0x00000004
 106
 107 #define CMDARG                  0x0002e008
 108
 109 #define XFERTYP                 0x0002e00c
 110 #define XFERTYP_CMD(x)          ((x & 0x3f) << 24)
 111 #define XFERTYP_CMDTYP_NORMAL   0x0
 112 #define XFERTYP_CMDTYP_SUSPEND  0x00400000
 113 #define XFERTYP_CMDTYP_RESUME   0x00800000
 114 #define XFERTYP_CMDTYP_ABORT    0x00c00000
 115 #define XFERTYP_DPSEL           0x00200000
 116 #define XFERTYP_CICEN           0x00100000
 117 #define XFERTYP_CCCEN           0x00080000
 118 #define XFERTYP_RSPTYP_NONE     0
 119 #define XFERTYP_RSPTYP_136      0x00010000
 120 #define XFERTYP_RSPTYP_48       0x00020000
 121 #define XFERTYP_RSPTYP_48_BUSY  0x00030000
 122 #define XFERTYP_MSBSEL          0x00000020
 123 #define XFERTYP_DTDSEL          0x00000010
 124 #define XFERTYP_AC12EN          0x00000004
 125 #define XFERTYP_BCEN            0x00000002
 126 #define XFERTYP_DMAEN           0x00000001
 127
 128 #define CINS_TIMEOUT            1000
 129 #define PIO_TIMEOUT             100000
 130
 131 #define DSADDR          0x2e004
 132
 133 #define CMDRSP0         0x2e010
 134 #define CMDRSP1         0x2e014
 135 #define CMDRSP2         0x2e018
 136 #define CMDRSP3         0x2e01c
 137
 138 #define DATPORT         0x2e020
 139
 140 #define WML             0x2e044
 141 #define WML_WRITE       0x00010000
 142 #ifdef CONFIG_FSL_SDHC_V2_3
 143 #define WML_RD_WML_MAX          0x80
 144 #define WML_WR_WML_MAX          0x80
 145 #define WML_RD_WML_MAX_VAL      0x0
 146 #define WML_WR_WML_MAX_VAL      0x0
 147 #define WML_RD_WML_MASK         0x7f
 148 #define WML_WR_WML_MASK         0x7f0000
 149 #else
 150 #define WML_RD_WML_MAX          0x10
 151 #define WML_WR_WML_MAX          0x80
 152 #define WML_RD_WML_MAX_VAL      0x10
 153 #define WML_WR_WML_MAX_VAL      0x80
 154 #define WML_RD_WML_MASK 0xff
 155 #define WML_WR_WML_MASK 0xff0000
 156 #endif
 157
 158 #define BLKATTR         0x2e004
 159 #define BLKATTR_CNT(x)  ((x & 0xffff) << 16)
 160 #define BLKATTR_SIZE(x) (x & 0x1fff)
 161 #define MAX_BLK_CNT     0x7fff  /* so malloc will have enough room with 32M */
 162
 163 #define ESDHC_HOSTCAPBLT_VS18   0x04000000
 164 #define ESDHC_HOSTCAPBLT_VS30   0x02000000
 165 #define ESDHC_HOSTCAPBLT_VS33   0x01000000
 166 #define ESDHC_HOSTCAPBLT_SRS    0x00800000
 167 #define ESDHC_HOSTCAPBLT_DMAS   0x00400000
 168 #define ESDHC_HOSTCAPBLT_HSS    0x00200000
 169
 170 struct fsl_esdhc_cfg {
 171         u32     esdhc_base;
 172         u32     sdhc_clk;
 173         u8      max_bus_width;
 174 };
 175
 176 /* Select the correct accessors depending on endianess */
 177 #if __BYTE_ORDER == __LITTLE_ENDIAN
 178 #define esdhc_read32            in_le32
 179 #define esdhc_write32           out_le32
 180 #define esdhc_clrsetbits32      clrsetbits_le32
 181 #define esdhc_clrbits32         clrbits_le32
 182 #define esdhc_setbits32         setbits_le32
 183 #elif __BYTE_ORDER == __BIG_ENDIAN
 184 #define esdhc_read32            in_be32
 185 #define esdhc_write32           out_be32
 186 #define esdhc_clrsetbits32      clrsetbits_be32
 187 #define esdhc_clrbits32         clrbits_be32
 188 #define esdhc_setbits32         setbits_be32
 189 #else
 190 #error "Endianess is not defined: please fix to continue"
 191 #endif
 192
 193 #ifdef CONFIG_FSL_ESDHC
 194 int fsl_esdhc_mmc_init(bd_t *bis);
 195 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
 196 void fdt_fixup_esdhc(void *blob, bd_t *bd);
 197 #else
 198 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
 199 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
 200 #endif /* CONFIG_FSL_ESDHC */
 201
 202 #endif  /* __FSL_ESDHC_H__ */