1 | /*- |
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2 | * Copyright (c) 2006 M. Warner Losh. All rights reserved. |
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3 | * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org> |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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17 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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24 | * |
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25 | * Portions of this software may have been developed with reference to |
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26 | * the SD Simplified Specification. The following disclaimer may apply: |
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27 | * |
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28 | * The following conditions apply to the release of the simplified |
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29 | * specification ("Simplified Specification") by the SD Card Association and |
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30 | * the SD Group. The Simplified Specification is a subset of the complete SD |
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31 | * Specification which is owned by the SD Card Association and the SD |
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32 | * Group. This Simplified Specification is provided on a non-confidential |
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33 | * basis subject to the disclaimers below. Any implementation of the |
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34 | * Simplified Specification may require a license from the SD Card |
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35 | * Association, SD Group, SD-3C LLC or other third parties. |
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36 | * |
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37 | * Disclaimers: |
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38 | * |
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39 | * The information contained in the Simplified Specification is presented only |
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40 | * as a standard specification for SD Cards and SD Host/Ancillary products and |
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41 | * is provided "AS-IS" without any representations or warranties of any |
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42 | * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD |
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43 | * Card Association for any damages, any infringements of patents or other |
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44 | * right of the SD Group, SD-3C LLC, the SD Card Association or any third |
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45 | * parties, which may result from its use. No license is granted by |
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46 | * implication, estoppel or otherwise under any patent or other rights of the |
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47 | * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing |
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48 | * herein shall be construed as an obligation by the SD Group, the SD-3C LLC |
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49 | * or the SD Card Association to disclose or distribute any technical |
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50 | * information, know-how or other confidential information to any third party. |
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51 | * |
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52 | * $FreeBSD$ |
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53 | */ |
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54 | |
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55 | #ifndef DEV_MMC_MMCREG_H |
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56 | #define DEV_MMC_MMCREG_H |
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57 | |
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58 | /* |
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59 | * This file contains the register definitions for the mmc and sd buses. |
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60 | * They are taken from publicly available sources. |
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61 | */ |
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62 | |
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63 | struct mmc_data; |
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64 | struct mmc_request; |
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65 | |
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66 | struct mmc_command { |
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67 | uint32_t opcode; |
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68 | uint32_t arg; |
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69 | uint32_t resp[4]; |
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70 | uint32_t flags; /* Expected responses */ |
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71 | #define MMC_RSP_PRESENT (1ul << 0) /* Response */ |
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72 | #define MMC_RSP_136 (1ul << 1) /* 136 bit response */ |
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73 | #define MMC_RSP_CRC (1ul << 2) /* Expect valid crc */ |
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74 | #define MMC_RSP_BUSY (1ul << 3) /* Card may send busy */ |
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75 | #define MMC_RSP_OPCODE (1ul << 4) /* Response include opcode */ |
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76 | #define MMC_RSP_MASK 0x1ful |
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77 | #define MMC_CMD_AC (0ul << 5) /* Addressed Command, no data */ |
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78 | #define MMC_CMD_ADTC (1ul << 5) /* Addressed Data transfer cmd */ |
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79 | #define MMC_CMD_BC (2ul << 5) /* Broadcast command, no response */ |
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80 | #define MMC_CMD_BCR (3ul << 5) /* Broadcast command with response */ |
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81 | #define MMC_CMD_MASK (3ul << 5) |
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82 | |
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83 | /* Possible response types defined in the standard: */ |
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84 | #define MMC_RSP_NONE (0) |
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85 | #define MMC_RSP_R1 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) |
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86 | #define MMC_RSP_R1B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY) |
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87 | #define MMC_RSP_R2 (MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC) |
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88 | #define MMC_RSP_R3 (MMC_RSP_PRESENT) |
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89 | #define MMC_RSP_R4 (MMC_RSP_PRESENT) |
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90 | #define MMC_RSP_R5 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) |
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91 | #define MMC_RSP_R5B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY) |
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92 | #define MMC_RSP_R6 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) |
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93 | #define MMC_RSP_R7 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) |
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94 | #define MMC_RSP(x) ((x) & MMC_RSP_MASK) |
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95 | uint32_t retries; |
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96 | uint32_t error; |
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97 | #define MMC_ERR_NONE 0 |
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98 | #define MMC_ERR_TIMEOUT 1 |
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99 | #define MMC_ERR_BADCRC 2 |
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100 | #define MMC_ERR_FIFO 3 |
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101 | #define MMC_ERR_FAILED 4 |
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102 | #define MMC_ERR_INVALID 5 |
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103 | #define MMC_ERR_NO_MEMORY 6 |
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104 | #define MMC_ERR_MAX 6 |
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105 | struct mmc_data *data; /* Data segment with cmd */ |
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106 | struct mmc_request *mrq; /* backpointer to request */ |
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107 | }; |
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108 | |
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109 | /* |
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110 | * R1 responses |
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111 | * |
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112 | * Types (per SD 2.0 standard) |
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113 | * e : error bit |
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114 | * s : status bit |
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115 | * r : detected and set for the actual command response |
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116 | * x : Detected and set during command execution. The host can get |
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117 | * the status by issuing a command with R1 response. |
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118 | * |
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119 | * Clear Condition (per SD 2.0 standard) |
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120 | * a : according to the card current state. |
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121 | * b : always related to the previous command. reception of a valid |
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122 | * command will clear it (with a delay of one command). |
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123 | * c : clear by read |
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124 | */ |
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125 | #define R1_OUT_OF_RANGE (1u << 31) /* erx, c */ |
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126 | #define R1_ADDRESS_ERROR (1u << 30) /* erx, c */ |
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127 | #define R1_BLOCK_LEN_ERROR (1u << 29) /* erx, c */ |
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128 | #define R1_ERASE_SEQ_ERROR (1u << 28) /* er, c */ |
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129 | #define R1_ERASE_PARAM (1u << 27) /* erx, c */ |
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130 | #define R1_WP_VIOLATION (1u << 26) /* erx, c */ |
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131 | #define R1_CARD_IS_LOCKED (1u << 25) /* sx, a */ |
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132 | #define R1_LOCK_UNLOCK_FAILED (1u << 24) /* erx, c */ |
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133 | #define R1_COM_CRC_ERROR (1u << 23) /* er, b */ |
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134 | #define R1_ILLEGAL_COMMAND (1u << 22) /* er, b */ |
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135 | #define R1_CARD_ECC_FAILED (1u << 21) /* erx, c */ |
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136 | #define R1_CC_ERROR (1u << 20) /* erx, c */ |
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137 | #define R1_ERROR (1u << 19) /* erx, c */ |
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138 | #define R1_CSD_OVERWRITE (1u << 16) /* erx, c */ |
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139 | #define R1_WP_ERASE_SKIP (1u << 15) /* erx, c */ |
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140 | #define R1_CARD_ECC_DISABLED (1u << 14) /* sx, a */ |
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141 | #define R1_ERASE_RESET (1u << 13) /* sr, c */ |
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142 | #define R1_CURRENT_STATE_MASK (0xfu << 9) /* sx, b */ |
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143 | #define R1_READY_FOR_DATA (1u << 8) /* sx, a */ |
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144 | #define R1_SWITCH_ERROR (1u << 7) /* sx, c */ |
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145 | #define R1_APP_CMD (1u << 5) /* sr, c */ |
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146 | #define R1_AKE_SEQ_ERROR (1u << 3) /* er, c */ |
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147 | #define R1_STATUS(x) ((x) & 0xFFFFE000) |
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148 | #define R1_CURRENT_STATE(x) (((x) & R1_CURRENT_STATE_MASK) >> 9) |
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149 | #define R1_STATE_IDLE 0 |
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150 | #define R1_STATE_READY 1 |
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151 | #define R1_STATE_IDENT 2 |
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152 | #define R1_STATE_STBY 3 |
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153 | #define R1_STATE_TRAN 4 |
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154 | #define R1_STATE_DATA 5 |
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155 | #define R1_STATE_RCV 6 |
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156 | #define R1_STATE_PRG 7 |
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157 | #define R1_STATE_DIS 8 |
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158 | |
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159 | struct mmc_data { |
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160 | size_t len; /* size of the data */ |
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161 | size_t xfer_len; |
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162 | void *data; /* data buffer */ |
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163 | uint32_t flags; |
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164 | #define MMC_DATA_WRITE (1UL << 0) |
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165 | #define MMC_DATA_READ (1UL << 1) |
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166 | #define MMC_DATA_STREAM (1UL << 2) |
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167 | #define MMC_DATA_MULTI (1UL << 3) |
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168 | struct mmc_request *mrq; |
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169 | }; |
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170 | |
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171 | struct mmc_request { |
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172 | struct mmc_command *cmd; |
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173 | struct mmc_command *stop; |
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174 | void (*done)(struct mmc_request *); /* Completion function */ |
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175 | void *done_data; /* requestor set data */ |
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176 | uint32_t flags; |
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177 | #define MMC_REQ_DONE 1 |
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178 | }; |
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179 | |
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180 | /* Command definitions */ |
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181 | |
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182 | /* Class 0 and 1: Basic commands & read stream commands */ |
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183 | #define MMC_GO_IDLE_STATE 0 |
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184 | #define MMC_SEND_OP_COND 1 |
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185 | #define MMC_ALL_SEND_CID 2 |
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186 | #define MMC_SET_RELATIVE_ADDR 3 |
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187 | #define SD_SEND_RELATIVE_ADDR 3 |
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188 | #define MMC_SET_DSR 4 |
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189 | #define MMC_SLEEP_AWAKE 5 |
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190 | #define MMC_SWITCH_FUNC 6 |
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191 | #define MMC_SWITCH_FUNC_CMDS 0 |
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192 | #define MMC_SWITCH_FUNC_SET 1 |
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193 | #define MMC_SWITCH_FUNC_CLR 2 |
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194 | #define MMC_SWITCH_FUNC_WR 3 |
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195 | #define MMC_SELECT_CARD 7 |
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196 | #define MMC_DESELECT_CARD 7 |
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197 | #define MMC_SEND_EXT_CSD 8 |
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198 | #define SD_SEND_IF_COND 8 |
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199 | #define MMC_SEND_CSD 9 |
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200 | #define MMC_SEND_CID 10 |
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201 | #define MMC_READ_DAT_UNTIL_STOP 11 |
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202 | #define MMC_STOP_TRANSMISSION 12 |
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203 | #define MMC_SEND_STATUS 13 |
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204 | #define MMC_BUSTEST_R 14 |
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205 | #define MMC_GO_INACTIVE_STATE 15 |
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206 | #define MMC_BUSTEST_W 19 |
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207 | |
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208 | /* Class 2: Block oriented read commands */ |
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209 | #define MMC_SET_BLOCKLEN 16 |
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210 | #define MMC_READ_SINGLE_BLOCK 17 |
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211 | #define MMC_READ_MULTIPLE_BLOCK 18 |
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212 | #define MMC_SEND_TUNING_BLOCK 19 |
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213 | #define MMC_SEND_TUNING_BLOCK_HS200 21 |
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214 | |
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215 | /* Class 3: Stream write commands */ |
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216 | #define MMC_WRITE_DAT_UNTIL_STOP 20 |
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217 | /* reserved: 22 */ |
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218 | |
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219 | /* Class 4: Block oriented write commands */ |
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220 | #define MMC_SET_BLOCK_COUNT 23 |
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221 | #define MMC_WRITE_BLOCK 24 |
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222 | #define MMC_WRITE_MULTIPLE_BLOCK 25 |
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223 | #define MMC_PROGARM_CID 26 |
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224 | #define MMC_PROGRAM_CSD 27 |
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225 | |
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226 | /* Class 6: Block oriented write protection commands */ |
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227 | #define MMC_SET_WRITE_PROT 28 |
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228 | #define MMC_CLR_WRITE_PROT 29 |
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229 | #define MMC_SEND_WRITE_PROT 30 |
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230 | /* reserved: 31 */ |
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231 | |
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232 | /* Class 5: Erase commands */ |
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233 | #define SD_ERASE_WR_BLK_START 32 |
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234 | #define SD_ERASE_WR_BLK_END 33 |
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235 | /* 34 -- reserved old command */ |
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236 | #define MMC_ERASE_GROUP_START 35 |
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237 | #define MMC_ERASE_GROUP_END 36 |
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238 | /* 37 -- reserved old command */ |
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239 | #define MMC_ERASE 38 |
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240 | |
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241 | /* Class 9: I/O mode commands */ |
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242 | #define MMC_FAST_IO 39 |
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243 | #define MMC_GO_IRQ_STATE 40 |
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244 | /* reserved: 41 */ |
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245 | |
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246 | /* Class 7: Lock card */ |
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247 | #define MMC_LOCK_UNLOCK 42 |
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248 | /* reserved: 43 */ |
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249 | /* reserved: 44 */ |
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250 | /* reserved: 45 */ |
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251 | /* reserved: 46 */ |
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252 | /* reserved: 47 */ |
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253 | /* reserved: 48 */ |
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254 | /* reserved: 49 */ |
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255 | /* reserved: 50 */ |
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256 | /* reserved: 51 */ |
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257 | /* reserved: 54 */ |
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258 | |
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259 | /* Class 8: Application specific commands */ |
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260 | #define MMC_APP_CMD 55 |
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261 | #define MMC_GEN_CMD 56 |
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262 | /* reserved: 57 */ |
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263 | /* reserved: 58 */ |
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264 | /* reserved: 59 */ |
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265 | /* reserved for mfg: 60 */ |
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266 | /* reserved for mfg: 61 */ |
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267 | /* reserved for mfg: 62 */ |
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268 | /* reserved for mfg: 63 */ |
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269 | |
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270 | /* Class 9: I/O cards (sd) */ |
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271 | #define SD_IO_RW_DIRECT 52 |
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272 | #define SD_IO_RW_EXTENDED 53 |
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273 | |
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274 | /* Class 10: Switch function commands */ |
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275 | #define SD_SWITCH_FUNC 6 |
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276 | /* reserved: 34 */ |
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277 | /* reserved: 35 */ |
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278 | /* reserved: 36 */ |
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279 | /* reserved: 37 */ |
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280 | /* reserved: 50 */ |
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281 | /* reserved: 57 */ |
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282 | |
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283 | /* Application specific commands for SD */ |
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284 | #define ACMD_SET_BUS_WIDTH 6 |
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285 | #define ACMD_SD_STATUS 13 |
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286 | #define ACMD_SEND_NUM_WR_BLOCKS 22 |
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287 | #define ACMD_SET_WR_BLK_ERASE_COUNT 23 |
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288 | #define ACMD_SD_SEND_OP_COND 41 |
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289 | #define ACMD_SET_CLR_CARD_DETECT 42 |
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290 | #define ACMD_SEND_SCR 51 |
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291 | |
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292 | /* |
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293 | * EXT_CSD fields |
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294 | */ |
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295 | #define EXT_CSD_EXT_PART_ATTR 52 /* R/W, 2 bytes */ |
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296 | #define EXT_CSD_ENH_START_ADDR 136 /* R/W, 4 bytes */ |
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297 | #define EXT_CSD_ENH_SIZE_MULT 140 /* R/W, 3 bytes */ |
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298 | #define EXT_CSD_GP_SIZE_MULT 143 /* R/W, 12 bytes */ |
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299 | #define EXT_CSD_PART_SET 155 /* R/W */ |
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300 | #define EXT_CSD_PART_ATTR 156 /* R/W */ |
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301 | #define EXT_CSD_PART_SUPPORT 160 /* RO */ |
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302 | #define EXT_CSD_RPMB_MULT 168 /* RO */ |
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303 | #define EXT_CSD_BOOT_WP_STATUS 174 /* RO */ |
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304 | #define EXT_CSD_ERASE_GRP_DEF 175 /* R/W */ |
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305 | #define EXT_CSD_PART_CONFIG 179 /* R/W */ |
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306 | #define EXT_CSD_BUS_WIDTH 183 /* R/W */ |
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307 | #define EXT_CSD_STROBE_SUPPORT 184 /* RO */ |
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308 | #define EXT_CSD_HS_TIMING 185 /* R/W */ |
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309 | #define EXT_CSD_POWER_CLASS 187 /* R/W */ |
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310 | #define EXT_CSD_CARD_TYPE 196 /* RO */ |
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311 | #define EXT_CSD_DRIVER_STRENGTH 197 /* RO */ |
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312 | #define EXT_CSD_REV 192 /* RO */ |
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313 | #define EXT_CSD_PART_SWITCH_TO 199 /* RO */ |
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314 | #define EXT_CSD_PWR_CL_52_195 200 /* RO */ |
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315 | #define EXT_CSD_PWR_CL_26_195 201 /* RO */ |
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316 | #define EXT_CSD_PWR_CL_52_360 202 /* RO */ |
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317 | #define EXT_CSD_PWR_CL_26_360 203 /* RO */ |
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318 | #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ |
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319 | #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ |
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320 | #define EXT_CSD_ERASE_TO_MULT 223 /* RO */ |
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321 | #define EXT_CSD_ERASE_GRP_SIZE 224 /* RO */ |
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322 | #define EXT_CSD_BOOT_SIZE_MULT 226 /* RO */ |
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323 | #define EXT_CSD_PWR_CL_200_195 236 /* RO */ |
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324 | #define EXT_CSD_PWR_CL_200_360 237 /* RO */ |
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325 | #define EXT_CSD_PWR_CL_52_195_DDR 238 /* RO */ |
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326 | #define EXT_CSD_PWR_CL_52_360_DDR 239 /* RO */ |
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327 | #define EXT_CSD_GEN_CMD6_TIME 248 /* RO */ |
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328 | #define EXT_CSD_PWR_CL_200_360_DDR 253 /* RO */ |
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329 | |
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330 | /* |
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331 | * EXT_CSD field definitions |
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332 | */ |
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333 | #define EXT_CSD_EXT_PART_ATTR_DEFAULT 0x0 |
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334 | #define EXT_CSD_EXT_PART_ATTR_SYSTEMCODE 0x1 |
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335 | #define EXT_CSD_EXT_PART_ATTR_NPERSISTENT 0x2 |
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336 | |
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337 | #define EXT_CSD_PART_SET_COMPLETED 0x01 |
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338 | |
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339 | #define EXT_CSD_PART_ATTR_ENH_USR 0x01 |
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340 | #define EXT_CSD_PART_ATTR_ENH_GP0 0x02 |
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341 | #define EXT_CSD_PART_ATTR_ENH_GP1 0x04 |
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342 | #define EXT_CSD_PART_ATTR_ENH_GP2 0x08 |
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343 | #define EXT_CSD_PART_ATTR_ENH_GP3 0x10 |
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344 | #define EXT_CSD_PART_ATTR_ENH_MASK 0x1f |
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345 | |
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346 | #define EXT_CSD_PART_SUPPORT_EN 0x01 |
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347 | #define EXT_CSD_PART_SUPPORT_ENH_ATTR_EN 0x02 |
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348 | #define EXT_CSD_PART_SUPPORT_EXT_ATTR_EN 0x04 |
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349 | |
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350 | #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR 0x01 |
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351 | #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM 0x02 |
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352 | #define EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK 0x03 |
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353 | #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR 0x04 |
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354 | #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM 0x08 |
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355 | #define EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK 0x0c |
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356 | |
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357 | #define EXT_CSD_ERASE_GRP_DEF_EN 0x01 |
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358 | |
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359 | #define EXT_CSD_PART_CONFIG_ACC_DEFAULT 0x00 |
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360 | #define EXT_CSD_PART_CONFIG_ACC_BOOT0 0x01 |
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361 | #define EXT_CSD_PART_CONFIG_ACC_BOOT1 0x02 |
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362 | #define EXT_CSD_PART_CONFIG_ACC_RPMB 0x03 |
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363 | #define EXT_CSD_PART_CONFIG_ACC_GP0 0x04 |
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364 | #define EXT_CSD_PART_CONFIG_ACC_GP1 0x05 |
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365 | #define EXT_CSD_PART_CONFIG_ACC_GP2 0x06 |
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366 | #define EXT_CSD_PART_CONFIG_ACC_GP3 0x07 |
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367 | #define EXT_CSD_PART_CONFIG_ACC_MASK 0x07 |
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368 | #define EXT_CSD_PART_CONFIG_BOOT0 0x08 |
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369 | #define EXT_CSD_PART_CONFIG_BOOT1 0x10 |
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370 | #define EXT_CSD_PART_CONFIG_BOOT_USR 0x38 |
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371 | #define EXT_CSD_PART_CONFIG_BOOT_MASK 0x38 |
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372 | #define EXT_CSD_PART_CONFIG_BOOT_ACK 0x40 |
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373 | |
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374 | #define EXT_CSD_CMD_SET_NORMAL 1 |
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375 | #define EXT_CSD_CMD_SET_SECURE 2 |
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376 | #define EXT_CSD_CMD_SET_CPSECURE 4 |
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377 | |
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378 | #define EXT_CSD_HS_TIMING_BC 0 |
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379 | #define EXT_CSD_HS_TIMING_HS 1 |
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380 | #define EXT_CSD_HS_TIMING_DDR200 2 |
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381 | #define EXT_CSD_HS_TIMING_DDR400 3 |
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382 | #define EXT_CSD_HS_TIMING_DRV_STR_SHIFT 4 |
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383 | |
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384 | #define EXT_CSD_POWER_CLASS_8BIT_MASK 0xf0 |
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385 | #define EXT_CSD_POWER_CLASS_8BIT_SHIFT 4 |
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386 | #define EXT_CSD_POWER_CLASS_4BIT_MASK 0x0f |
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387 | #define EXT_CSD_POWER_CLASS_4BIT_SHIFT 0 |
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388 | |
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389 | #define EXT_CSD_CARD_TYPE_HS_26 0x0001 |
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390 | #define EXT_CSD_CARD_TYPE_HS_52 0x0002 |
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391 | #define EXT_CSD_CARD_TYPE_DDR_52_1_8V 0x0004 |
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392 | #define EXT_CSD_CARD_TYPE_DDR_52_1_2V 0x0008 |
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393 | #define EXT_CSD_CARD_TYPE_HS200_1_8V 0x0010 |
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394 | #define EXT_CSD_CARD_TYPE_HS200_1_2V 0x0020 |
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395 | #define EXT_CSD_CARD_TYPE_HS400_1_8V 0x0040 |
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396 | #define EXT_CSD_CARD_TYPE_HS400_1_2V 0x0080 |
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397 | #define EXT_CSD_CARD_TYPE_HS400ES 0x0100 |
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398 | |
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399 | #define EXT_CSD_BUS_WIDTH_1 0 |
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400 | #define EXT_CSD_BUS_WIDTH_4 1 |
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401 | #define EXT_CSD_BUS_WIDTH_8 2 |
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402 | #define EXT_CSD_BUS_WIDTH_4_DDR 5 |
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403 | #define EXT_CSD_BUS_WIDTH_8_DDR 6 |
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404 | #define EXT_CSD_BUS_WIDTH_ES 0x80 |
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405 | |
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406 | #define MMC_TYPE_HS_26_MAX 26000000 |
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407 | #define MMC_TYPE_HS_52_MAX 52000000 |
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408 | #define MMC_TYPE_DDR52_MAX 52000000 |
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409 | #define MMC_TYPE_HS200_HS400ES_MAX 200000000 |
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410 | |
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411 | /* |
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412 | * SD bus widths |
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413 | */ |
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414 | #define SD_BUS_WIDTH_1 0 |
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415 | #define SD_BUS_WIDTH_4 2 |
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416 | |
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417 | /* |
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418 | * SD Switch |
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419 | */ |
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420 | #define SD_SWITCH_MODE_CHECK 0 |
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421 | #define SD_SWITCH_MODE_SET 1 |
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422 | #define SD_SWITCH_GROUP1 0 |
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423 | #define SD_SWITCH_NORMAL_MODE 0 |
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424 | #define SD_SWITCH_HS_MODE 1 |
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425 | #define SD_SWITCH_SDR50_MODE 2 |
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426 | #define SD_SWITCH_SDR104_MODE 3 |
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427 | #define SD_SWITCH_DDR50 4 |
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428 | #define SD_SWITCH_NOCHANGE 0xF |
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429 | |
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430 | #define SD_CLR_CARD_DETECT 0 |
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431 | #define SD_SET_CARD_DETECT 1 |
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432 | |
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433 | #define SD_HS_MAX 50000000 |
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434 | #define SD_DDR50_MAX 50000000 |
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435 | #define SD_SDR12_MAX 25000000 |
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436 | #define SD_SDR25_MAX 50000000 |
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437 | #define SD_SDR50_MAX 100000000 |
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438 | #define SD_SDR104_MAX 208000000 |
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439 | |
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440 | /* Specifications require 400 kHz max. during ID phase. */ |
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441 | #define SD_MMC_CARD_ID_FREQUENCY 400000 |
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442 | |
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443 | /* OCR bits */ |
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444 | |
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445 | /* |
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446 | * in SD 2.0 spec, bits 8-14 are now marked reserved |
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447 | * Low voltage in SD2.0 spec is bit 7, TBD voltage |
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448 | * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V |
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449 | * Specs prior to MMC 3.31 defined bits 0-7 as voltages down to 1.5V. |
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450 | * 3.31 redefined them to be reserved and also said that cards had to |
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451 | * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage |
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452 | * cards. MMC 4.0 says that a dual voltage card responds with 0xfff8080. |
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453 | * Looks like the fine-grained control of the voltage tolerance ranges |
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454 | * was abandoned. |
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455 | * |
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456 | * The MMC_OCR_CCS appears to be valid for only SD cards. |
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457 | */ |
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458 | #define MMC_OCR_VOLTAGE 0x3fffffffU /* Vdd Voltage mask */ |
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459 | #define MMC_OCR_LOW_VOLTAGE (1u << 7) /* Low Voltage Range -- tbd */ |
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460 | #define MMC_OCR_MIN_VOLTAGE_SHIFT 7 |
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461 | #define MMC_OCR_200_210 (1U << 8) /* Vdd voltage 2.00 ~ 2.10 */ |
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462 | #define MMC_OCR_210_220 (1U << 9) /* Vdd voltage 2.10 ~ 2.20 */ |
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463 | #define MMC_OCR_220_230 (1U << 10) /* Vdd voltage 2.20 ~ 2.30 */ |
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464 | #define MMC_OCR_230_240 (1U << 11) /* Vdd voltage 2.30 ~ 2.40 */ |
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465 | #define MMC_OCR_240_250 (1U << 12) /* Vdd voltage 2.40 ~ 2.50 */ |
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466 | #define MMC_OCR_250_260 (1U << 13) /* Vdd voltage 2.50 ~ 2.60 */ |
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467 | #define MMC_OCR_260_270 (1U << 14) /* Vdd voltage 2.60 ~ 2.70 */ |
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468 | #define MMC_OCR_270_280 (1U << 15) /* Vdd voltage 2.70 ~ 2.80 */ |
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469 | #define MMC_OCR_280_290 (1U << 16) /* Vdd voltage 2.80 ~ 2.90 */ |
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470 | #define MMC_OCR_290_300 (1U << 17) /* Vdd voltage 2.90 ~ 3.00 */ |
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471 | #define MMC_OCR_300_310 (1U << 18) /* Vdd voltage 3.00 ~ 3.10 */ |
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472 | #define MMC_OCR_310_320 (1U << 19) /* Vdd voltage 3.10 ~ 3.20 */ |
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473 | #define MMC_OCR_320_330 (1U << 20) /* Vdd voltage 3.20 ~ 3.30 */ |
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474 | #define MMC_OCR_330_340 (1U << 21) /* Vdd voltage 3.30 ~ 3.40 */ |
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475 | #define MMC_OCR_340_350 (1U << 22) /* Vdd voltage 3.40 ~ 3.50 */ |
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476 | #define MMC_OCR_350_360 (1U << 23) /* Vdd voltage 3.50 ~ 3.60 */ |
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477 | #define MMC_OCR_MAX_VOLTAGE_SHIFT 23 |
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478 | #define MMC_OCR_S18R (1U << 24) /* Switching to 1.8 V requested (SD) */ |
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479 | #define MMC_OCR_S18A MMC_OCR_S18R /* Switching to 1.8 V accepted (SD) */ |
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480 | #define MMC_OCR_XPC (1U << 28) /* SDXC Power Control */ |
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481 | #define MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */ |
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482 | #define MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */ |
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483 | #define MMC_OCR_ACCESS_MODE_MASK (3U << 29) |
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484 | #define MMC_OCR_CCS (1u << 30) /* Card Capacity status (SD vs SDHC) */ |
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485 | #define MMC_OCR_CARD_BUSY (1U << 31) /* Card Power up status */ |
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486 | |
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487 | /* CSD -- decoded structure */ |
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488 | struct mmc_cid { |
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489 | uint32_t mid; |
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490 | char pnm[8]; |
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491 | uint32_t psn; |
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492 | uint16_t oid; |
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493 | uint16_t mdt_year; |
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494 | uint8_t mdt_month; |
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495 | uint8_t prv; |
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496 | uint8_t fwrev; |
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497 | }; |
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498 | |
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499 | struct mmc_csd |
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500 | { |
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501 | uint8_t csd_structure; |
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502 | uint8_t spec_vers; |
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503 | uint16_t ccc; |
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504 | uint16_t tacc; |
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505 | uint32_t nsac; |
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506 | uint32_t r2w_factor; |
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507 | uint32_t tran_speed; |
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508 | uint32_t read_bl_len; |
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509 | uint32_t write_bl_len; |
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510 | uint32_t vdd_r_curr_min; |
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511 | uint32_t vdd_r_curr_max; |
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512 | uint32_t vdd_w_curr_min; |
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513 | uint32_t vdd_w_curr_max; |
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514 | uint32_t wp_grp_size; |
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515 | uint32_t erase_sector; |
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516 | uint64_t capacity; |
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517 | unsigned int read_bl_partial:1, |
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518 | read_blk_misalign:1, |
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519 | write_bl_partial:1, |
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520 | write_blk_misalign:1, |
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521 | dsr_imp:1, |
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522 | erase_blk_en:1, |
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523 | wp_grp_enable:1; |
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524 | }; |
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525 | |
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526 | struct mmc_scr |
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527 | { |
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528 | unsigned char sda_vsn; |
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529 | unsigned char bus_widths; |
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530 | #define SD_SCR_BUS_WIDTH_1 (1 << 0) |
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531 | #define SD_SCR_BUS_WIDTH_4 (1 << 2) |
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532 | }; |
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533 | |
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534 | struct mmc_sd_status |
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535 | { |
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536 | uint8_t bus_width; |
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537 | uint8_t secured_mode; |
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538 | uint16_t card_type; |
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539 | uint16_t prot_area; |
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540 | uint8_t speed_class; |
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541 | uint8_t perf_move; |
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542 | uint8_t au_size; |
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543 | uint16_t erase_size; |
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544 | uint8_t erase_timeout; |
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545 | uint8_t erase_offset; |
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546 | }; |
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547 | |
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548 | /* |
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549 | * Various MMC/SD constants |
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550 | */ |
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551 | #define MMC_BOOT_RPMB_BLOCK_SIZE (128 * 1024) |
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552 | |
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553 | #define MMC_EXTCSD_SIZE 512 |
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554 | |
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555 | #define MMC_PART_GP_MAX 4 |
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556 | #define MMC_PART_MAX 8 |
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557 | |
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558 | /* |
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559 | * Older versions of the MMC standard had a variable sector size. However, |
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560 | * I've been able to find no old MMC or SD cards that have a non 512 |
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561 | * byte sector size anywhere, so we assume that such cards are very rare |
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562 | * and only note their existence in passing here... |
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563 | */ |
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564 | #define MMC_SECTOR_SIZE 512 |
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565 | |
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566 | #endif /* DEV_MMCREG_H */ |
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