include/fsl_esdhc.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * FSL SD/MMC Defines
   4  *-------------------------------------------------------------------
   5  *
   6  * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
   7  */
   8
   9 #ifndef  __FSL_ESDHC_H__
  10 #define __FSL_ESDHC_H__
  11
  12 #include <linux/errno.h>
  13 #include <asm/byteorder.h>
  14
  15 /* needed for the mmc_cfg definition */
  16 #include <mmc.h>
  17
  18 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
  19 #include "../board/freescale/common/qixis.h"
  20 #endif
  21
  22 /* FSL eSDHC-specific constants */
  23 #define SYSCTL                  0x0002e02c
  24 #define SYSCTL_INITA            0x08000000
  25 #define SYSCTL_TIMEOUT_MASK     0x000f0000
  26 #define SYSCTL_CLOCK_MASK       0x0000fff0
  27 #define SYSCTL_CKEN             0x00000008
  28 #define SYSCTL_PEREN            0x00000004
  29 #define SYSCTL_HCKEN            0x00000002
  30 #define SYSCTL_IPGEN            0x00000001
  31 #define SYSCTL_RSTA             0x01000000
  32 #define SYSCTL_RSTC             0x02000000
  33 #define SYSCTL_RSTD             0x04000000
  34
  35 #define IRQSTAT                 0x0002e030
  36 #define IRQSTAT_DMAE            (0x10000000)
  37 #define IRQSTAT_AC12E           (0x01000000)
  38 #define IRQSTAT_DEBE            (0x00400000)
  39 #define IRQSTAT_DCE             (0x00200000)
  40 #define IRQSTAT_DTOE            (0x00100000)
  41 #define IRQSTAT_CIE             (0x00080000)
  42 #define IRQSTAT_CEBE            (0x00040000)
  43 #define IRQSTAT_CCE             (0x00020000)
  44 #define IRQSTAT_CTOE            (0x00010000)
  45 #define IRQSTAT_CINT            (0x00000100)
  46 #define IRQSTAT_CRM             (0x00000080)
  47 #define IRQSTAT_CINS            (0x00000040)
  48 #define IRQSTAT_BRR             (0x00000020)
  49 #define IRQSTAT_BWR             (0x00000010)
  50 #define IRQSTAT_DINT            (0x00000008)
  51 #define IRQSTAT_BGE             (0x00000004)
  52 #define IRQSTAT_TC              (0x00000002)
  53 #define IRQSTAT_CC              (0x00000001)
  54
  55 #define CMD_ERR         (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
  56 #define DATA_ERR        (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
  57                                 IRQSTAT_DMAE)
  58 #define DATA_COMPLETE   (IRQSTAT_TC | IRQSTAT_DINT)
  59
  60 #define IRQSTATEN               0x0002e034
  61 #define IRQSTATEN_DMAE          (0x10000000)
  62 #define IRQSTATEN_AC12E         (0x01000000)
  63 #define IRQSTATEN_DEBE          (0x00400000)
  64 #define IRQSTATEN_DCE           (0x00200000)
  65 #define IRQSTATEN_DTOE          (0x00100000)
  66 #define IRQSTATEN_CIE           (0x00080000)
  67 #define IRQSTATEN_CEBE          (0x00040000)
  68 #define IRQSTATEN_CCE           (0x00020000)
  69 #define IRQSTATEN_CTOE          (0x00010000)
  70 #define IRQSTATEN_CINT          (0x00000100)
  71 #define IRQSTATEN_CRM           (0x00000080)
  72 #define IRQSTATEN_CINS          (0x00000040)
  73 #define IRQSTATEN_BRR           (0x00000020)
  74 #define IRQSTATEN_BWR           (0x00000010)
  75 #define IRQSTATEN_DINT          (0x00000008)
  76 #define IRQSTATEN_BGE           (0x00000004)
  77 #define IRQSTATEN_TC            (0x00000002)
  78 #define IRQSTATEN_CC            (0x00000001)
  79
  80 #define ESDHCCTL                0x0002e40c
  81 #define ESDHCCTL_PCS            (0x00080000)
  82
  83 #define PRSSTAT                 0x0002e024
  84 #define PRSSTAT_DAT0            (0x01000000)
  85 #define PRSSTAT_CLSL            (0x00800000)
  86 #define PRSSTAT_WPSPL           (0x00080000)
  87 #define PRSSTAT_CDPL            (0x00040000)
  88 #define PRSSTAT_CINS            (0x00010000)
  89 #define PRSSTAT_BREN            (0x00000800)
  90 #define PRSSTAT_BWEN            (0x00000400)
  91 #define PRSSTAT_SDSTB           (0X00000008)
  92 #define PRSSTAT_DLA             (0x00000004)
  93 #define PRSSTAT_CICHB           (0x00000002)
  94 #define PRSSTAT_CIDHB           (0x00000001)
  95
  96 #define PROCTL                  0x0002e028
  97 #define PROCTL_INIT             0x00000020
  98 #define PROCTL_DTW_4            0x00000002
  99 #define PROCTL_DTW_8            0x00000004
 100 #define PROCTL_D3CD             0x00000008
 101
 102 #define CMDARG                  0x0002e008
 103
 104 #define XFERTYP                 0x0002e00c
 105 #define XFERTYP_CMD(x)          ((x & 0x3f) << 24)
 106 #define XFERTYP_CMDTYP_NORMAL   0x0
 107 #define XFERTYP_CMDTYP_SUSPEND  0x00400000
 108 #define XFERTYP_CMDTYP_RESUME   0x00800000
 109 #define XFERTYP_CMDTYP_ABORT    0x00c00000
 110 #define XFERTYP_DPSEL           0x00200000
 111 #define XFERTYP_CICEN           0x00100000
 112 #define XFERTYP_CCCEN           0x00080000
 113 #define XFERTYP_RSPTYP_NONE     0
 114 #define XFERTYP_RSPTYP_136      0x00010000
 115 #define XFERTYP_RSPTYP_48       0x00020000
 116 #define XFERTYP_RSPTYP_48_BUSY  0x00030000
 117 #define XFERTYP_MSBSEL          0x00000020
 118 #define XFERTYP_DTDSEL          0x00000010
 119 #define XFERTYP_DDREN           0x00000008
 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             500
 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         phys_addr_t esdhc_base;
 168         u32     sdhc_clk;
 169         u8      max_bus_width;
 170         int     wp_enable;
 171         int     vs18_enable; /* Use 1.8V if set to 1 */
 172         struct mmc_config cfg;
 173 };
 174
 175 /* Select the correct accessors depending on endianess */
 176 #if defined CONFIG_SYS_FSL_ESDHC_LE
 177 #define esdhc_read32            in_le32
 178 #define esdhc_write32           out_le32
 179 #define esdhc_clrsetbits32      clrsetbits_le32
 180 #define esdhc_clrbits32         clrbits_le32
 181 #define esdhc_setbits32         setbits_le32
 182 #elif defined(CONFIG_SYS_FSL_ESDHC_BE)
 183 #define esdhc_read32            in_be32
 184 #define esdhc_write32           out_be32
 185 #define esdhc_clrsetbits32      clrsetbits_be32
 186 #define esdhc_clrbits32         clrbits_be32
 187 #define esdhc_setbits32         setbits_be32
 188 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 189 #define esdhc_read32            in_le32
 190 #define esdhc_write32           out_le32
 191 #define esdhc_clrsetbits32      clrsetbits_le32
 192 #define esdhc_clrbits32         clrbits_le32
 193 #define esdhc_setbits32         setbits_le32
 194 #elif __BYTE_ORDER == __BIG_ENDIAN
 195 #define esdhc_read32            in_be32
 196 #define esdhc_write32           out_be32
 197 #define esdhc_clrsetbits32      clrsetbits_be32
 198 #define esdhc_clrbits32         clrbits_be32
 199 #define esdhc_setbits32         setbits_be32
 200 #else
 201 #error "Endianess is not defined: please fix to continue"
 202 #endif
 203
 204 #ifdef CONFIG_FSL_ESDHC
 205 int fsl_esdhc_mmc_init(bd_t *bis);
 206 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
 207 void fdt_fixup_esdhc(void *blob, bd_t *bd);
 208 #else
 209 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
 210 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
 211 #endif /* CONFIG_FSL_ESDHC */
 212 void __noreturn mmc_boot(void);
 213 void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
 214
 215 #endif  /* __FSL_ESDHC_H__ */