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