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 * 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
 170struct 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
 194int fsl_esdhc_mmc_init(bd_t *bis);
 195int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
 196void fdt_fixup_esdhc(void *blob, bd_t *bd);
 197#else
 198static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
 199static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
 200#endif /* CONFIG_FSL_ESDHC */
 201
 202#endif  /* __FSL_ESDHC_H__ */
 203