| Maen Suleiman | 236caa7 | 2009-02-14 03:07:26 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Marvell Semiconductors, All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | |
| 9 | #ifndef __MVSDIO_H |
| 10 | #define __MVSDIO_H |
| 11 | |
| 12 | /* |
| 13 | * Clock rates |
| 14 | */ |
| 15 | |
| 16 | #define MVSD_CLOCKRATE_MAX 50000000 |
| 17 | #define MVSD_BASE_DIV_MAX 0x7ff |
| 18 | |
| 19 | |
| 20 | /* |
| 21 | * Register offsets |
| 22 | */ |
| 23 | |
| 24 | #define MVSD_SYS_ADDR_LOW 0x000 |
| 25 | #define MVSD_SYS_ADDR_HI 0x004 |
| 26 | #define MVSD_BLK_SIZE 0x008 |
| 27 | #define MVSD_BLK_COUNT 0x00c |
| 28 | #define MVSD_ARG_LOW 0x010 |
| 29 | #define MVSD_ARG_HI 0x014 |
| 30 | #define MVSD_XFER_MODE 0x018 |
| 31 | #define MVSD_CMD 0x01c |
| 32 | #define MVSD_RSP(i) (0x020 + ((i)<<2)) |
| 33 | #define MVSD_RSP0 0x020 |
| 34 | #define MVSD_RSP1 0x024 |
| 35 | #define MVSD_RSP2 0x028 |
| 36 | #define MVSD_RSP3 0x02c |
| 37 | #define MVSD_RSP4 0x030 |
| 38 | #define MVSD_RSP5 0x034 |
| 39 | #define MVSD_RSP6 0x038 |
| 40 | #define MVSD_RSP7 0x03c |
| 41 | #define MVSD_FIFO 0x040 |
| 42 | #define MVSD_RSP_CRC7 0x044 |
| 43 | #define MVSD_HW_STATE 0x048 |
| 44 | #define MVSD_HOST_CTRL 0x050 |
| 45 | #define MVSD_BLK_GAP_CTRL 0x054 |
| 46 | #define MVSD_CLK_CTRL 0x058 |
| 47 | #define MVSD_SW_RESET 0x05c |
| 48 | #define MVSD_NOR_INTR_STATUS 0x060 |
| 49 | #define MVSD_ERR_INTR_STATUS 0x064 |
| 50 | #define MVSD_NOR_STATUS_EN 0x068 |
| 51 | #define MVSD_ERR_STATUS_EN 0x06c |
| 52 | #define MVSD_NOR_INTR_EN 0x070 |
| 53 | #define MVSD_ERR_INTR_EN 0x074 |
| 54 | #define MVSD_AUTOCMD12_ERR_STATUS 0x078 |
| 55 | #define MVSD_CURR_BYTE_LEFT 0x07c |
| 56 | #define MVSD_CURR_BLK_LEFT 0x080 |
| 57 | #define MVSD_AUTOCMD12_ARG_LOW 0x084 |
| 58 | #define MVSD_AUTOCMD12_ARG_HI 0x088 |
| 59 | #define MVSD_AUTOCMD12_CMD 0x08c |
| 60 | #define MVSD_AUTO_RSP(i) (0x090 + ((i)<<2)) |
| 61 | #define MVSD_AUTO_RSP0 0x090 |
| 62 | #define MVSD_AUTO_RSP1 0x094 |
| 63 | #define MVSD_AUTO_RSP2 0x098 |
| 64 | #define MVSD_CLK_DIV 0x128 |
| 65 | |
| 66 | #define MVSD_WINDOW_CTRL(i) (0x108 + ((i) << 3)) |
| 67 | #define MVSD_WINDOW_BASE(i) (0x10c + ((i) << 3)) |
| 68 | |
| 69 | |
| 70 | /* |
| 71 | * MVSD_CMD |
| 72 | */ |
| 73 | |
| 74 | #define MVSD_CMD_RSP_NONE (0 << 0) |
| 75 | #define MVSD_CMD_RSP_136 (1 << 0) |
| 76 | #define MVSD_CMD_RSP_48 (2 << 0) |
| 77 | #define MVSD_CMD_RSP_48BUSY (3 << 0) |
| 78 | |
| 79 | #define MVSD_CMD_CHECK_DATACRC16 (1 << 2) |
| 80 | #define MVSD_CMD_CHECK_CMDCRC (1 << 3) |
| 81 | #define MVSD_CMD_INDX_CHECK (1 << 4) |
| 82 | #define MVSD_CMD_DATA_PRESENT (1 << 5) |
| 83 | #define MVSD_UNEXPECTED_RESP (1 << 7) |
| 84 | #define MVSD_CMD_INDEX(x) ((x) << 8) |
| 85 | |
| 86 | |
| 87 | /* |
| 88 | * MVSD_AUTOCMD12_CMD |
| 89 | */ |
| 90 | |
| 91 | #define MVSD_AUTOCMD12_BUSY (1 << 0) |
| 92 | #define MVSD_AUTOCMD12_INDX_CHECK (1 << 1) |
| 93 | #define MVSD_AUTOCMD12_INDEX(x) ((x) << 8) |
| 94 | |
| 95 | /* |
| 96 | * MVSD_XFER_MODE |
| 97 | */ |
| 98 | |
| 99 | #define MVSD_XFER_MODE_WR_DATA_START (1 << 0) |
| 100 | #define MVSD_XFER_MODE_HW_WR_DATA_EN (1 << 1) |
| 101 | #define MVSD_XFER_MODE_AUTO_CMD12 (1 << 2) |
| 102 | #define MVSD_XFER_MODE_INT_CHK_EN (1 << 3) |
| 103 | #define MVSD_XFER_MODE_TO_HOST (1 << 4) |
| 104 | #define MVSD_XFER_MODE_STOP_CLK (1 << 5) |
| 105 | #define MVSD_XFER_MODE_PIO (1 << 6) |
| 106 | |
| 107 | |
| 108 | /* |
| 109 | * MVSD_HOST_CTRL |
| 110 | */ |
| 111 | |
| 112 | #define MVSD_HOST_CTRL_PUSH_PULL_EN (1 << 0) |
| 113 | |
| 114 | #define MVSD_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1) |
| 115 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1) |
| 116 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1) |
| 117 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1) |
| 118 | #define MVSD_HOST_CTRL_CARD_TYPE_MASK (3 << 1) |
| 119 | |
| 120 | #define MVSD_HOST_CTRL_BIG_ENDIAN (1 << 3) |
| 121 | #define MVSD_HOST_CTRL_LSB_FIRST (1 << 4) |
| 122 | #define MVSD_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9) |
| 123 | #define MVSD_HOST_CTRL_HI_SPEED_EN (1 << 10) |
| 124 | |
| 125 | #define MVSD_HOST_CTRL_TMOUT_MAX 0xf |
| 126 | #define MVSD_HOST_CTRL_TMOUT_MASK (0xf << 11) |
| 127 | #define MVSD_HOST_CTRL_TMOUT(x) ((x) << 11) |
| 128 | #define MVSD_HOST_CTRL_TMOUT_EN (1 << 15) |
| 129 | |
| 130 | |
| 131 | /* |
| 132 | * MVSD_SW_RESET |
| 133 | */ |
| 134 | |
| 135 | #define MVSD_SW_RESET_NOW (1 << 8) |
| 136 | |
| 137 | |
| 138 | /* |
| 139 | * Normal interrupt status bits |
| 140 | */ |
| 141 | |
| 142 | #define MVSD_NOR_CMD_DONE (1 << 0) |
| 143 | #define MVSD_NOR_XFER_DONE (1 << 1) |
| 144 | #define MVSD_NOR_BLK_GAP_EVT (1 << 2) |
| 145 | #define MVSD_NOR_DMA_DONE (1 << 3) |
| 146 | #define MVSD_NOR_TX_AVAIL (1 << 4) |
| 147 | #define MVSD_NOR_RX_READY (1 << 5) |
| 148 | #define MVSD_NOR_CARD_INT (1 << 8) |
| 149 | #define MVSD_NOR_READ_WAIT_ON (1 << 9) |
| 150 | #define MVSD_NOR_RX_FIFO_8W (1 << 10) |
| 151 | #define MVSD_NOR_TX_FIFO_8W (1 << 11) |
| 152 | #define MVSD_NOR_SUSPEND_ON (1 << 12) |
| 153 | #define MVSD_NOR_AUTOCMD12_DONE (1 << 13) |
| 154 | #define MVSD_NOR_UNEXP_RSP (1 << 14) |
| 155 | #define MVSD_NOR_ERROR (1 << 15) |
| 156 | |
| 157 | |
| 158 | /* |
| 159 | * Error status bits |
| 160 | */ |
| 161 | |
| 162 | #define MVSD_ERR_CMD_TIMEOUT (1 << 0) |
| 163 | #define MVSD_ERR_CMD_CRC (1 << 1) |
| 164 | #define MVSD_ERR_CMD_ENDBIT (1 << 2) |
| 165 | #define MVSD_ERR_CMD_INDEX (1 << 3) |
| 166 | #define MVSD_ERR_DATA_TIMEOUT (1 << 4) |
| 167 | #define MVSD_ERR_DATA_CRC (1 << 5) |
| 168 | #define MVSD_ERR_DATA_ENDBIT (1 << 6) |
| 169 | #define MVSD_ERR_AUTOCMD12 (1 << 8) |
| 170 | #define MVSD_ERR_CMD_STARTBIT (1 << 9) |
| 171 | #define MVSD_ERR_XFER_SIZE (1 << 10) |
| 172 | #define MVSD_ERR_RESP_T_BIT (1 << 11) |
| 173 | #define MVSD_ERR_CRC_ENDBIT (1 << 12) |
| 174 | #define MVSD_ERR_CRC_STARTBIT (1 << 13) |
| 175 | #define MVSD_ERR_CRC_STATUS (1 << 14) |
| 176 | |
| 177 | |
| 178 | /* |
| 179 | * CMD12 error status bits |
| 180 | */ |
| 181 | |
| 182 | #define MVSD_AUTOCMD12_ERR_NOTEXE (1 << 0) |
| 183 | #define MVSD_AUTOCMD12_ERR_TIMEOUT (1 << 1) |
| 184 | #define MVSD_AUTOCMD12_ERR_CRC (1 << 2) |
| 185 | #define MVSD_AUTOCMD12_ERR_ENDBIT (1 << 3) |
| 186 | #define MVSD_AUTOCMD12_ERR_INDEX (1 << 4) |
| 187 | #define MVSD_AUTOCMD12_ERR_RESP_T_BIT (1 << 5) |
| 188 | #define MVSD_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6) |
| 189 | |
| 190 | #endif |