1 /*- 2 * Copyright (c) 2013 Alexander Fedorov <alexander.fedorov@rtlservice.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _AW_MMC_H_ 30 #define _AW_MMC_H_ 31 32 #define AW_MMC_GCTL 0x00 /* Control Register */ 33 #define AW_MMC_CKCR 0x04 /* Clock Control Register */ 34 #define AW_MMC_TMOR 0x08 /* Timeout Register */ 35 #define AW_MMC_BWDR 0x0C /* Bus Width Register */ 36 #define AW_MMC_BKSR 0x10 /* Block Size Register */ 37 #define AW_MMC_BYCR 0x14 /* Byte Count Register */ 38 #define AW_MMC_CMDR 0x18 /* Command Register */ 39 #define AW_MMC_CAGR 0x1C /* Argument Register */ 40 #define AW_MMC_RESP0 0x20 /* Response Register 0 */ 41 #define AW_MMC_RESP1 0x24 /* Response Register 1 */ 42 #define AW_MMC_RESP2 0x28 /* Response Register 2 */ 43 #define AW_MMC_RESP3 0x2C /* Response Register 3 */ 44 #define AW_MMC_IMKR 0x30 /* Interrupt Mask Register */ 45 #define AW_MMC_MISR 0x34 /* Masked Interrupt Status Register */ 46 #define AW_MMC_RISR 0x38 /* Raw Interrupt Status Register */ 47 #define AW_MMC_STAR 0x3C /* Status Register */ 48 #define AW_MMC_FWLR 0x40 /* FIFO Threshold Watermark Register */ 49 #define AW_MMC_FUNS 0x44 /* Function Select Register */ 50 #define AW_MMC_CSDC 0x54 /* CRC status detect controler register (A64 smhc2 only) */ 51 #define AW_MMC_A12A 0x58 /* Auto command 12 argument register */ 52 #define AW_MMC_NTSR 0x5C /* SD new timing register (H3, A64 smhc0/1 only) */ 53 #define AW_MMC_HWRST 0x78 /* Hardware reset */ 54 #define AW_MMC_DMAC 0x80 /* IDMAC Control Register */ 55 #define AW_MMC_DLBA 0x84 /* IDMAC Desc List Base Address Reg */ 56 #define AW_MMC_IDST 0x88 /* IDMAC Status Register */ 57 #define AW_MMC_IDIE 0x8C /* IDMAC Interrupt Enable Register */ 58 59 #define AW_MMC_DDR_SBIT_DET 0x10C /* eMMC4.5 DDR Start Bit Detection control register */ 60 #define AW_MMC_DRV_DL 0x140 /* Drive Delay control register */ 61 #define AW_MMC_SAMP_DL 0x144 /* Sample Delay controle register */ 62 #define AW_MMC_DS_DL 0x148 /* Data strobe delay control register */ 63 64 #define AW_MMC_FIFO 0x100 /* FIFO Access Address (A10/A20) */ 65 #define A31_MMC_FIFO 0x200 /* FIFO Access Address (A31) */ 66 67 /* AW_MMC_GCTL */ 68 #define AW_MMC_CTRL_SOFT_RST (1U << 0) 69 #define AW_MMC_CTRL_FIFO_RST (1U << 1) 70 #define AW_MMC_CTRL_DMA_RST (1U << 2) 71 #define AW_MMC_CTRL_INT_ENB (1U << 4) 72 #define AW_MMC_CTRL_DMA_ENB (1U << 5) 73 #define AW_MMC_CTRL_CD_DBC_ENB (1U << 8) 74 #define AW_MMC_CTRL_DDR_MOD_SEL (1U << 10) 75 #define AW_MMC_CTRL_FIFO_AC_MOD (1U << 31) 76 #define AW_MMC_RESET \ 77 (AW_MMC_CTRL_SOFT_RST | AW_MMC_CTRL_FIFO_RST | AW_MMC_CTRL_DMA_RST) 78 79 /* AW_MMC_CKCR */ 80 #define AW_MMC_CKCR_CCLK_ENB (1U << 16) 81 #define AW_MMC_CKCR_CCLK_CTRL (1U << 17) 82 #define AW_MMC_CKCR_CCLK_MASK_DATA0 (1U << 31) 83 #define AW_MMC_CKCR_CCLK_DIV 0xff 84 85 /* AW_MMC_TMOR */ 86 #define AW_MMC_TMOR_RTO_LMT_SHIFT(x) x /* Response timeout limit */ 87 #define AW_MMC_TMOR_RTO_LMT_MASK 0xff 88 #define AW_MMC_TMOR_DTO_LMT_SHIFT(x) (x << 8) /* Data timeout limit */ 89 #define AW_MMC_TMOR_DTO_LMT_MASK 0xffffff 90 91 /* AW_MMC_BWDR */ 92 #define AW_MMC_BWDR1 0 93 #define AW_MMC_BWDR4 1 94 #define AW_MMC_BWDR8 2 95 96 /* AW_MMC_CMDR */ 97 #define AW_MMC_CMDR_RESP_RCV (1U << 6) 98 #define AW_MMC_CMDR_LONG_RESP (1U << 7) 99 #define AW_MMC_CMDR_CHK_RESP_CRC (1U << 8) 100 #define AW_MMC_CMDR_DATA_TRANS (1U << 9) 101 #define AW_MMC_CMDR_DIR_WRITE (1U << 10) 102 #define AW_MMC_CMDR_TRANS_MODE_STREAM (1U << 11) 103 #define AW_MMC_CMDR_STOP_CMD_FLAG (1U << 12) 104 #define AW_MMC_CMDR_WAIT_PRE_OVER (1U << 13) 105 #define AW_MMC_CMDR_STOP_ABT_CMD (1U << 14) 106 #define AW_MMC_CMDR_SEND_INIT_SEQ (1U << 15) 107 #define AW_MMC_CMDR_PRG_CLK (1U << 21) 108 #define AW_MMC_CMDR_RD_CEDATA_DEV (1U << 22) 109 #define AW_MMC_CMDR_CCS_EXP (1U << 23) 110 #define AW_MMC_CMDR_BOOT_MOD_SHIFT 24 111 #define AW_MMC_CMDR_BOOT_MOD_NORMAL 0 112 #define AW_MMC_CMDR_BOOT_MOD_MANDATORY 1 113 #define AW_MMC_CMDR_BOOT_MOD_ALT 2 114 #define AW_MMC_CMDR_EXP_BOOT_ACK (1U << 26) 115 #define AW_MMC_CMDR_BOOT_ABT (1U << 27) 116 #define AW_MMC_CMDR_VOL_SW (1U << 28) 117 #define AW_MMC_CMDR_LOAD (1U << 31) 118 119 /* AW_MMC_IMKR and AW_MMC_RISR */ 120 #define AW_MMC_INT_RESP_ERR (1U << 1) 121 #define AW_MMC_INT_CMD_DONE (1U << 2) 122 #define AW_MMC_INT_DATA_OVER (1U << 3) 123 #define AW_MMC_INT_TX_DATA_REQ (1U << 4) 124 #define AW_MMC_INT_RX_DATA_REQ (1U << 5) 125 #define AW_MMC_INT_RESP_CRC_ERR (1U << 6) 126 #define AW_MMC_INT_DATA_CRC_ERR (1U << 7) 127 #define AW_MMC_INT_RESP_TIMEOUT (1U << 8) 128 #define AW_MMC_INT_BOOT_ACK_RECV (1U << 8) 129 #define AW_MMC_INT_DATA_TIMEOUT (1U << 9) 130 #define AW_MMC_INT_BOOT_START (1U << 9) 131 #define AW_MMC_INT_DATA_STARVE (1U << 10) 132 #define AW_MMC_INT_VOL_CHG_DONE (1U << 10) 133 #define AW_MMC_INT_FIFO_RUN_ERR (1U << 11) 134 #define AW_MMC_INT_CMD_BUSY (1U << 12) 135 #define AW_MMC_INT_DATA_START_ERR (1U << 13) 136 #define AW_MMC_INT_AUTO_STOP_DONE (1U << 14) 137 #define AW_MMC_INT_DATA_END_BIT_ERR (1U << 15) 138 #define AW_MMC_INT_SDIO (1U << 16) 139 #define AW_MMC_INT_CARD_INSERT (1U << 30) 140 #define AW_MMC_INT_CARD_REMOVE (1U << 31) 141 #define AW_MMC_INT_ERR_BIT \ 142 (AW_MMC_INT_RESP_ERR | AW_MMC_INT_RESP_CRC_ERR | \ 143 AW_MMC_INT_DATA_CRC_ERR | AW_MMC_INT_RESP_TIMEOUT | \ 144 AW_MMC_INT_FIFO_RUN_ERR | AW_MMC_INT_CMD_BUSY | \ 145 AW_MMC_INT_DATA_START_ERR | AW_MMC_INT_DATA_END_BIT_ERR) 146 147 /* AW_MMC_STAR */ 148 #define AW_MMC_STAR_FIFO_RX_LEVEL (1U << 0) 149 #define AW_MMC_STAR_FIFO_TX_LEVEL (1U << 1) 150 #define AW_MMC_STAR_FIFO_EMPTY (1U << 2) 151 #define AW_MMC_STAR_FIFO_FULL (1U << 3) 152 #define AW_MMC_STAR_CARD_PRESENT (1U << 8) 153 #define AW_MMC_STAR_CARD_BUSY (1U << 9) 154 #define AW_MMC_STAR_FSM_BUSY (1U << 10) 155 #define AW_MMC_STAR_DMA_REQ (1U << 31) 156 157 /* AW_MMC_FUNS */ 158 #define AW_MMC_CE_ATA_ON (0xceaaU << 16) 159 #define AW_MMC_SEND_IRQ_RESP (1U << 0) 160 #define AW_MMC_SDIO_RD_WAIT (1U << 1) 161 #define AW_MMC_ABT_RD_DATA (1U << 2) 162 #define AW_MMC_SEND_CC_SD (1U << 8) 163 #define AW_MMC_SEND_AUTOSTOP_CC_SD (1U << 9) 164 #define AW_MMC_CE_ATA_DEV_INT_ENB (1U << 10) 165 166 /* AW_MMC_NTSR */ 167 #define AW_MMC_NTSR_MODE_SELECT (1U << 31) 168 169 /* IDMA CONTROLLER BUS MOD BIT FIELD */ 170 #define AW_MMC_DMAC_IDMAC_SOFT_RST (1U << 0) 171 #define AW_MMC_DMAC_IDMAC_FIX_BURST (1U << 1) 172 #define AW_MMC_DMAC_IDMAC_IDMA_ON (1U << 7) 173 #define AW_MMC_DMAC_IDMAC_REFETCH_DES (1U << 31) 174 175 /* AW_MMC_IDST */ 176 #define AW_MMC_IDST_TX_INT (1U << 0) 177 #define AW_MMC_IDST_RX_INT (1U << 1) 178 #define AW_MMC_IDST_FATAL_BERR_INT (1U << 2) 179 #define AW_MMC_IDST_DES_UNAVL_INT (1U << 4) 180 #define AW_MMC_IDST_ERR_FLAG_SUM (1U << 5) 181 #define AW_MMC_IDST_NOR_INT_SUM (1U << 8) 182 #define AW_MMC_IDST_ABN_INT_SUM (1U << 9) 183 #define AW_MMC_IDST_HOST_ABT_INTX (1U << 10) 184 #define AW_MMC_IDST_HOST_ABT_INRX (1U << 10) 185 #define AW_MMC_IDST_IDLE (0U << 13) 186 #define AW_MMC_IDST_SUSPEND (1U << 13) 187 #define AW_MMC_IDST_DESC_RD (2U << 13) 188 #define AW_MMC_IDST_DESC_CHECK (3U << 13) 189 #define AW_MMC_IDST_RD_REQ_WAIT (4U << 13) 190 #define AW_MMC_IDST_WR_REQ_WAIT (5U << 13) 191 #define AW_MMC_IDST_RD (6U << 13) 192 #define AW_MMC_IDST_WR (7U << 13) 193 #define AW_MMC_IDST_DESC_CLOSE (8U << 13) 194 #define AW_MMC_IDST_ERROR \ 195 (AW_MMC_IDST_FATAL_BERR_INT | AW_MMC_IDST_ERR_FLAG_SUM | \ 196 AW_MMC_IDST_DES_UNAVL_INT | AW_MMC_IDST_ABN_INT_SUM) 197 #define AW_MMC_IDST_COMPLETE \ 198 (AW_MMC_IDST_TX_INT | AW_MMC_IDST_RX_INT) 199 200 /* AW_MMC_DDR_SBIT_DET */ 201 #define AW_MMC_DDR_SBIT_HS_MD_EN (1U << 31) 202 203 /* AW_MMC_SAMP */ 204 #define AW_MMC_SAMP_DL_SW_EN (1U << 7) 205 206 /* The DMA descriptor table. */ 207 struct aw_mmc_dma_desc { 208 uint32_t config; 209 #define AW_MMC_DMA_CONFIG_DIC (1U << 1) /* Disable Interrupt Completion */ 210 #define AW_MMC_DMA_CONFIG_LD (1U << 2) /* Last DES */ 211 #define AW_MMC_DMA_CONFIG_FD (1U << 3) /* First DES */ 212 #define AW_MMC_DMA_CONFIG_CH (1U << 4) /* CHAIN MOD */ 213 #define AW_MMC_DMA_CONFIG_ER (1U << 5) /* End of Ring (undocumented register) */ 214 #define AW_MMC_DMA_CONFIG_CES (1U << 30) /* Card Error Summary */ 215 #define AW_MMC_DMA_CONFIG_OWN (1U << 31) /* DES Own Flag */ 216 uint32_t buf_size; 217 uint32_t buf_addr; 218 uint32_t next; 219 }; 220 221 #define AW_MMC_DMA_ALIGN 4 222 223 #endif /* _AW_MMC_H_ */ 224