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      1 /* $NetBSD: dwc_mmc_reg.h,v 1.11 2022/01/09 15:03:43 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014-2017 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DWC_MMC_REG_H
     30 #define _DWC_MMC_REG_H
     31 
     32 #define DWC_MMC_GCTRL			0x0000
     33 #define DWC_MMC_PWREN			0x0004
     34 #define	DWC_MMC_CLKDIV			0x0008
     35 #define	DWC_MMC_CLKSRC			0x000c
     36 #define	DWC_MMC_CLKENA			0x0010
     37 #define DWC_MMC_TIMEOUT			0x0014
     38 #define DWC_MMC_WIDTH			0x0018
     39 #define DWC_MMC_BLKSZ			0x001c
     40 #define DWC_MMC_BYTECNT			0x0020
     41 #define DWC_MMC_IMASK			0x0024
     42 #define DWC_MMC_ARG			0x0028
     43 #define DWC_MMC_CMD			0x002c
     44 #define DWC_MMC_RESP0			0x0030
     45 #define DWC_MMC_RESP1			0x0034
     46 #define DWC_MMC_RESP2			0x0038
     47 #define DWC_MMC_RESP3			0x003c
     48 #define DWC_MMC_MINT			0x0040
     49 #define DWC_MMC_RINT			0x0044
     50 #define DWC_MMC_STATUS			0x0048
     51 #define DWC_MMC_FIFOTH			0x004c
     52 #define	DWC_MMC_CDETECT			0x0050
     53 #define	DWC_MMC_WRITEPROT		0x0054
     54 #define	DWC_MMC_GPIO			0x0058
     55 #define DWC_MMC_CBCR			0x005c
     56 #define DWC_MMC_BBCR			0x0060
     57 #define	DWC_MMC_DEBNCE			0x0064
     58 #define	DWC_MMC_USRID			0x0068
     59 #define	DWC_MMC_VERID			0x006c
     60 #define	DWC_MMC_HCON			0x0070
     61 #define	DWC_MMC_UHS			0x0074
     62 #define	DWC_MMC_RST			0x0078
     63 #define DWC_MMC_DMAC			0x0080
     64 #define	DWC_MMC_PLDMND			0x0084
     65 #define DWC_MMC_DLBA			0x0088
     66 #define DWC_MMC_IDST			0x008c
     67 #define DWC_MMC_IDIE			0x0090
     68 #define DWC_MMC_DSCADDR			0x0094
     69 #define DWC_MMC_BUFADDR			0x0098
     70 #define DWC_MMC_CARDTHRCTL		0x0100
     71 
     72 #define DWC_MMC_GCTRL_USE_INTERNAL_DMAC	__BIT(25)
     73 #define DWC_MMC_GCTRL_SEND_AUTO_STOP_CCSD __BIT(10)
     74 #define DWC_MMC_GCTRL_DMAEN		__BIT(5)
     75 #define DWC_MMC_GCTRL_INTEN		__BIT(4)
     76 #define DWC_MMC_GCTRL_DMARESET		__BIT(2)
     77 #define DWC_MMC_GCTRL_FIFORESET		__BIT(1)
     78 #define DWC_MMC_GCTRL_SOFTRESET		__BIT(0)
     79 #define DWC_MMC_GCTRL_RESET \
     80 	(DWC_MMC_GCTRL_SOFTRESET | DWC_MMC_GCTRL_FIFORESET | \
     81 	 DWC_MMC_GCTRL_DMARESET)
     82 
     83 #define DWC_MMC_CLKENA_LOWPOWERON	__BIT(16)
     84 #define DWC_MMC_CLKENA_CARDCLKON	__BIT(0)
     85 
     86 #define DWC_MMC_WIDTH_1		0x00000000
     87 #define DWC_MMC_WIDTH_4		0x00000001
     88 #define DWC_MMC_WIDTH_8		0x00010000
     89 
     90 #define DWC_MMC_CMD_START		__BIT(31)
     91 #define DWC_MMC_CMD_USE_HOLD_REG	__BIT(29)
     92 #define DWC_MMC_CMD_VOL_SWITCH		__BIT(28)
     93 #define DWC_MMC_CMD_BOOT_MODE		__BIT(27)
     94 #define DWC_MMC_CMD_DISABLE_BOOT	__BIT(26)
     95 #define DWC_MMC_CMD_EXPECT_BOOT_ACT	__BIT(25)
     96 #define DWC_MMC_CMD_ENABLE_BOOT		__BIT(24)
     97 #define DWC_MMC_CMD_UPCLK_ONLY		__BIT(21)
     98 #define DWC_MMC_CMD_SEND_INIT_SEQ	__BIT(15)
     99 #define DWC_MMC_CMD_STOP_ABORT_CMD	__BIT(14)
    100 #define DWC_MMC_CMD_WAIT_PRE_OVER	__BIT(13)
    101 #define DWC_MMC_CMD_SEND_AUTO_STOP	__BIT(12)
    102 #define DWC_MMC_CMD_SEQMOD		__BIT(11)
    103 #define DWC_MMC_CMD_WRITE		__BIT(10)
    104 #define DWC_MMC_CMD_DATA_EXP		__BIT(9)
    105 #define DWC_MMC_CMD_CHECK_RSP_CRC	__BIT(8)
    106 #define DWC_MMC_CMD_LONG_RSP		__BIT(7)
    107 #define DWC_MMC_CMD_RSP_EXP		__BIT(6)
    108 
    109 #define DWC_MMC_INT_CARD_REMOVE		__BIT(31)
    110 #define DWC_MMC_INT_CARD_INSERT		__BIT(30)
    111 #define DWC_MMC_INT_SDIO_INT(n)		__BIT(16 + (n))
    112 #define DWC_MMC_INT_END_BIT_ERR		__BIT(15)
    113 #define DWC_MMC_INT_AUTO_CMD_DONE	__BIT(14)
    114 #define DWC_MMC_INT_START_BIT_ERR	__BIT(13)
    115 #define DWC_MMC_INT_HW_LOCKED		__BIT(12)
    116 #define DWC_MMC_INT_FIFO_RUN_ERR	__BIT(11)
    117 #define DWC_MMC_INT_VOL_CHG_DONE	__BIT(10)
    118 #define DWC_MMC_INT_DATA_STARVE		__BIT(10)
    119 #define DWC_MMC_INT_BOOT_START		__BIT(9)
    120 #define DWC_MMC_INT_DATA_TIMEOUT	__BIT(9)
    121 #define DWC_MMC_INT_ACK_RCV		__BIT(8)
    122 #define DWC_MMC_INT_RESP_TIMEOUT	__BIT(8)
    123 #define DWC_MMC_INT_DATA_CRC_ERR	__BIT(7)
    124 #define DWC_MMC_INT_RESP_CRC_ERR	__BIT(6)
    125 #define DWC_MMC_INT_RX_DATA_REQ		__BIT(5)
    126 #define DWC_MMC_INT_TX_DATA_REQ		__BIT(4)
    127 #define DWC_MMC_INT_DATA_OVER		__BIT(3)
    128 #define DWC_MMC_INT_CMD_DONE		__BIT(2)
    129 #define DWC_MMC_INT_RESP_ERR		__BIT(1)
    130 #define DWC_MMC_INT_ERROR \
    131 	(DWC_MMC_INT_RESP_ERR | DWC_MMC_INT_RESP_CRC_ERR | \
    132 	 DWC_MMC_INT_DATA_CRC_ERR | DWC_MMC_INT_RESP_TIMEOUT | \
    133 	 DWC_MMC_INT_FIFO_RUN_ERR | DWC_MMC_INT_HW_LOCKED | \
    134 	 DWC_MMC_INT_START_BIT_ERR  | DWC_MMC_INT_END_BIT_ERR)
    135 
    136 #define DWC_MMC_STATUS_DMAREQ		__BIT(31)
    137 #define DWC_MMC_STATUS_DATA_FSM_BUSY	__BIT(10)
    138 #define DWC_MMC_STATUS_CARD_DATA_BUSY	__BIT(9)
    139 #define DWC_MMC_STATUS_CARD_PRESENT	__BIT(8)
    140 #define DWC_MMC_STATUS_FIFO_FULL	__BIT(3)
    141 #define DWC_MMC_STATUS_FIFO_EMPTY	__BIT(2)
    142 #define DWC_MMC_STATUS_TXWL_FLAG	__BIT(1)
    143 #define DWC_MMC_STATUS_RXWL_FLAG	__BIT(0)
    144 
    145 #define	DWC_MMC_FIFOTH_DMA_MULTIPLE_TXN_SIZE __BITS(30,28)
    146 #define	DWC_MMC_FIFOTH_DMA_MULTIPLE_TXN_SIZE_16	3
    147 #define	DWC_MMC_FIFOTH_RX_WMARK		__BITS(27,16)
    148 #define	DWC_MMC_FIFOTH_TX_WMARK		__BITS(11,0)
    149 
    150 #define	DWC_MMC_CDETECT_CARD_DETECT_N	__BIT(0)
    151 
    152 #define DWC_MMC_DMAC_IDMA_ON		__BIT(7)
    153 #define DWC_MMC_DMAC_FIX_BURST		__BIT(1)
    154 #define DWC_MMC_DMAC_SOFTRESET		__BIT(0)
    155 
    156 #define DWC_MMC_VERID_ID		__BITS(15,0)
    157 #define DWC_MMC_VERID_240A		0x240a
    158 #define DWC_MMC_VERID_280A		0x280a
    159 
    160 #define DWC_MMC_IDST_HOST_ABT		__BIT(10)
    161 #define DWC_MMC_IDST_ABNORMAL_INT_SUM	__BIT(9)
    162 #define DWC_MMC_IDST_NORMAL_INT_SUM	__BIT(8)
    163 #define DWC_MMC_IDST_CARD_ERR_SUM	__BIT(5)
    164 #define DWC_MMC_IDST_DES_INVALID	__BIT(4)
    165 #define DWC_MMC_IDST_FATAL_BUS_ERR	__BIT(2)
    166 #define DWC_MMC_IDST_RECEIVE_INT	__BIT(1)
    167 #define DWC_MMC_IDST_TRANSMIT_INT	__BIT(0)
    168 #define DWC_MMC_IDST_ERROR \
    169 	(DWC_MMC_IDST_ABNORMAL_INT_SUM | DWC_MMC_IDST_CARD_ERR_SUM | \
    170 	 DWC_MMC_IDST_DES_INVALID | DWC_MMC_IDST_FATAL_BUS_ERR)
    171 #define DWC_MMC_IDST_COMPLETE \
    172 	(DWC_MMC_IDST_RECEIVE_INT | DWC_MMC_IDST_TRANSMIT_INT)
    173 
    174 #define DWC_MMC_CARDTHRCTL_RDTHR	__BITS(27,16)
    175 #define DWC_MMC_CARDTHRCTL_RDTHREN	__BIT(0)
    176 
    177 struct dwc_mmc_idma_desc {
    178 	uint32_t		dma_config;
    179 #define DWC_MMC_IDMA_CONFIG_DIC		__BIT(1)
    180 #define DWC_MMC_IDMA_CONFIG_LD		__BIT(2)
    181 #define DWC_MMC_IDMA_CONFIG_FD		__BIT(3)
    182 #define DWC_MMC_IDMA_CONFIG_CH		__BIT(4)
    183 #define DWC_MMC_IDMA_CONFIG_ER		__BIT(5)
    184 #define DWC_MMC_IDMA_CONFIG_CES		__BIT(30)
    185 #define DWC_MMC_IDMA_CONFIG_OWN		__BIT(31)
    186 	uint32_t		dma_buf_size;
    187 	uint32_t		dma_buf_addr;
    188 	uint32_t		dma_next;
    189 } __packed;
    190 
    191 #endif /* !_DWC_MMC_REG_H */
    192