1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org> 5 * Copyright (c) 2013 Alexander Fedorov <alexander.fedorov@rtlservice.com> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32#ifndef _AW_MMC_H_ 33#define _AW_MMC_H_ 34 35#define AW_MMC_GCTL 0x00 /* Control Register */ 36#define AW_MMC_CKCR 0x04 /* Clock Control Register */ 37#define AW_MMC_TMOR 0x08 /* Timeout Register */ 38#define AW_MMC_BWDR 0x0C /* Bus Width Register */ 39#define AW_MMC_BKSR 0x10 /* Block Size Register */ 40#define AW_MMC_BYCR 0x14 /* Byte Count Register */ 41#define AW_MMC_CMDR 0x18 /* Command Register */ 42#define AW_MMC_CAGR 0x1C /* Argument Register */ 43#define AW_MMC_RESP0 0x20 /* Response Register 0 */ 44#define AW_MMC_RESP1 0x24 /* Response Register 1 */ 45#define AW_MMC_RESP2 0x28 /* Response Register 2 */ 46#define AW_MMC_RESP3 0x2C /* Response Register 3 */ 47#define AW_MMC_IMKR 0x30 /* Interrupt Mask Register */ 48#define AW_MMC_MISR 0x34 /* Masked Interrupt Status Register */ 49#define AW_MMC_RISR 0x38 /* Raw Interrupt Status Register */ 50#define AW_MMC_STAR 0x3C /* Status Register */ 51#define AW_MMC_FWLR 0x40 /* FIFO Threshold Watermark Register */ 52#define AW_MMC_FUNS 0x44 /* Function Select Register */ 53#define AW_MMC_DBGC 0x50 /* Debug register */ 54#define AW_MMC_CSDC 0x54 /* CRC status detect controler register (A64 smhc2 only) */ 55#define AW_MMC_A12A 0x58 /* Auto command 12 argument register */ 56#define AW_MMC_NTSR 0x5C /* SD new timing register (H3, A64 smhc0/1 only) */ 57#define AW_MMC_HWRST 0x78 /* Hardware reset */ 58#define AW_MMC_DMAC 0x80 /* IDMAC Control Register */ 59#define AW_MMC_DLBA 0x84 /* IDMAC Desc List Base Address Reg */ 60#define AW_MMC_IDST 0x88 /* IDMAC Status Register */ 61#define AW_MMC_IDIE 0x8C /* IDMAC Interrupt Enable Register */ 62 63#define AW_MMC_DDR_SBIT_DET 0x10C /* eMMC4.5 DDR Start Bit Detection control register */ 64#define AW_MMC_DRV_DL 0x140 /* Drive Delay control register */ 65#define AW_MMC_SAMP_DL 0x144 /* Sample Delay controle register */ 66#define AW_MMC_DS_DL 0x148 /* Data strobe delay control register */ 67 68#define AW_MMC_FIFO 0x100 /* FIFO Access Address (A10/A20) */ 69#define A31_MMC_FIFO 0x200 /* FIFO Access Address (A31) */ 70 71/* AW_MMC_GCTL */ 72#define AW_MMC_GCTL_SOFT_RST (1U << 0) 73#define AW_MMC_GCTL_FIFO_RST (1U << 1) 74#define AW_MMC_GCTL_DMA_RST (1U << 2) 75#define AW_MMC_GCTL_INT_ENB (1U << 4) 76#define AW_MMC_GCTL_DMA_ENB (1U << 5) 77#define AW_MMC_GCTL_CD_DBC_ENB (1U << 8) 78#define AW_MMC_GCTL_DDR_MOD_SEL (1U << 10) 79#define AW_MMC_GCTL_WAIT_MEM_ACCESS (1U << 30) 80#define AW_MMC_GCTL_FIFO_AC_MOD (1U << 31) 81#define AW_MMC_GCTL_RESET \ 82 (AW_MMC_GCTL_SOFT_RST | AW_MMC_GCTL_FIFO_RST | AW_MMC_GCTL_DMA_RST) 83 84/* AW_MMC_CKCR */ 85#define AW_MMC_CKCR_DIV 0xff 86#define AW_MMC_CKCR_ENB (1U << 16) 87#define AW_MMC_CKCR_LOW_POWER (1U << 17) 88#define AW_MMC_CKCR_MASK_DATA0 (1U << 31) 89 90/* AW_MMC_TMOR */ 91#define AW_MMC_TMOR_RTO_LMT_SHIFT(x) x /* Response timeout limit */ 92#define AW_MMC_TMOR_RTO_LMT_MASK 0xff 93#define AW_MMC_TMOR_DTO_LMT_SHIFT(x) (x << 8) /* Data timeout limit */ 94#define AW_MMC_TMOR_DTO_LMT_MASK 0xffffff 95 96/* AW_MMC_BWDR */ 97#define AW_MMC_BWDR1 0 98#define AW_MMC_BWDR4 1 99#define AW_MMC_BWDR8 2 100 101/* AW_MMC_CMDR */ 102#define AW_MMC_CMDR_RESP_RCV (1U << 6) 103#define AW_MMC_CMDR_LONG_RESP (1U << 7) 104#define AW_MMC_CMDR_CHK_RESP_CRC (1U << 8) 105#define AW_MMC_CMDR_DATA_TRANS (1U << 9) 106#define AW_MMC_CMDR_DIR_WRITE (1U << 10) 107#define AW_MMC_CMDR_TRANS_MODE_STREAM (1U << 11) 108#define AW_MMC_CMDR_STOP_CMD_FLAG (1U << 12) 109#define AW_MMC_CMDR_WAIT_PRE_OVER (1U << 13) 110#define AW_MMC_CMDR_STOP_ABT_CMD (1U << 14) 111#define AW_MMC_CMDR_SEND_INIT_SEQ (1U << 15) 112#define AW_MMC_CMDR_PRG_CLK (1U << 21) 113#define AW_MMC_CMDR_RD_CEDATA_DEV (1U << 22) 114#define AW_MMC_CMDR_CCS_EXP (1U << 23) 115#define AW_MMC_CMDR_BOOT_MOD_SHIFT 24 116#define AW_MMC_CMDR_BOOT_MOD_NORMAL 0 117#define AW_MMC_CMDR_BOOT_MOD_MANDATORY 1 118#define AW_MMC_CMDR_BOOT_MOD_ALT 2 119#define AW_MMC_CMDR_EXP_BOOT_ACK (1U << 26) 120#define AW_MMC_CMDR_BOOT_ABT (1U << 27) 121#define AW_MMC_CMDR_VOL_SW (1U << 28) 122#define AW_MMC_CMDR_LOAD (1U << 31) 123 124/* AW_MMC_IMKR and AW_MMC_RISR */ 125#define AW_MMC_INT_RESP_ERR (1U << 1) 126#define AW_MMC_INT_CMD_DONE (1U << 2) 127#define AW_MMC_INT_DATA_OVER (1U << 3) 128#define AW_MMC_INT_TX_DATA_REQ (1U << 4) 129#define AW_MMC_INT_RX_DATA_REQ (1U << 5) 130#define AW_MMC_INT_RESP_CRC_ERR (1U << 6) 131#define AW_MMC_INT_DATA_CRC_ERR (1U << 7) 132#define AW_MMC_INT_RESP_TIMEOUT (1U << 8) 133#define AW_MMC_INT_BOOT_ACK_RECV (1U << 8) 134#define AW_MMC_INT_DATA_TIMEOUT (1U << 9) 135#define AW_MMC_INT_BOOT_START (1U << 9) 136#define AW_MMC_INT_DATA_STARVE (1U << 10) 137#define AW_MMC_INT_VOL_CHG_DONE (1U << 10) 138#define AW_MMC_INT_FIFO_RUN_ERR (1U << 11) 139#define AW_MMC_INT_CMD_BUSY (1U << 12) 140#define AW_MMC_INT_DATA_START_ERR (1U << 13) 141#define AW_MMC_INT_AUTO_STOP_DONE (1U << 14) 142#define AW_MMC_INT_DATA_END_BIT_ERR (1U << 15) 143#define AW_MMC_INT_SDIO (1U << 16) 144#define AW_MMC_INT_CARD_INSERT (1U << 30) 145#define AW_MMC_INT_CARD_REMOVE (1U << 31) 146#define AW_MMC_INT_ERR_BIT \ 147 (AW_MMC_INT_RESP_ERR | AW_MMC_INT_RESP_CRC_ERR | \ 148 AW_MMC_INT_DATA_CRC_ERR | AW_MMC_INT_RESP_TIMEOUT | \ 149 AW_MMC_INT_FIFO_RUN_ERR | AW_MMC_INT_CMD_BUSY | \ 150 AW_MMC_INT_DATA_START_ERR | AW_MMC_INT_DATA_END_BIT_ERR) 151 152/* AW_MMC_STAR */ 153#define AW_MMC_STAR_FIFO_RX_LEVEL (1U << 0) 154#define AW_MMC_STAR_FIFO_TX_LEVEL (1U << 1) 155#define AW_MMC_STAR_FIFO_EMPTY (1U << 2) 156#define AW_MMC_STAR_FIFO_FULL (1U << 3) 157#define AW_MMC_STAR_CARD_PRESENT (1U << 8) 158#define AW_MMC_STAR_CARD_BUSY (1U << 9) 159#define AW_MMC_STAR_FSM_BUSY (1U << 10) 160#define AW_MMC_STAR_DMA_REQ (1U << 31) 161 162/* AW_MMC_FUNS */ 163#define AW_MMC_CE_ATA_ON (0xceaaU << 16) 164#define AW_MMC_SEND_IRQ_RESP (1U << 0) 165#define AW_MMC_SDIO_RD_WAIT (1U << 1) 166#define AW_MMC_ABT_RD_DATA (1U << 2) 167#define AW_MMC_SEND_CC_SD (1U << 8) 168#define AW_MMC_SEND_AUTOSTOP_CC_SD (1U << 9) 169#define AW_MMC_CE_ATA_DEV_INT_ENB (1U << 10) 170 171/* AW_MMC_NTSR */ 172#define AW_MMC_NTSR_MODE_SELECT (1U << 31) 173 174/* IDMA CONTROLLER BUS MOD BIT FIELD */ 175#define AW_MMC_DMAC_IDMAC_SOFT_RST (1U << 0) 176#define AW_MMC_DMAC_IDMAC_FIX_BURST (1U << 1) 177#define AW_MMC_DMAC_IDMAC_IDMA_ON (1U << 7) 178#define AW_MMC_DMAC_IDMAC_REFETCH_DES (1U << 31) 179 180/* AW_MMC_IDST */ 181#define AW_MMC_IDST_TX_INT (1U << 0) 182#define AW_MMC_IDST_RX_INT (1U << 1) 183#define AW_MMC_IDST_FATAL_BERR_INT (1U << 2) 184#define AW_MMC_IDST_DES_UNAVL_INT (1U << 4) 185#define AW_MMC_IDST_ERR_FLAG_SUM (1U << 5) 186#define AW_MMC_IDST_NOR_INT_SUM (1U << 8) 187#define AW_MMC_IDST_ABN_INT_SUM (1U << 9) 188#define AW_MMC_IDST_HOST_ABT_INTX (1U << 10) 189#define AW_MMC_IDST_HOST_ABT_INRX (1U << 10) 190#define AW_MMC_IDST_IDLE (0U << 13) 191#define AW_MMC_IDST_SUSPEND (1U << 13) 192#define AW_MMC_IDST_DESC_RD (2U << 13) 193#define AW_MMC_IDST_DESC_CHECK (3U << 13) 194#define AW_MMC_IDST_RD_REQ_WAIT (4U << 13) 195#define AW_MMC_IDST_WR_REQ_WAIT (5U << 13) 196#define AW_MMC_IDST_RD (6U << 13) 197#define AW_MMC_IDST_WR (7U << 13) 198#define AW_MMC_IDST_DESC_CLOSE (8U << 13) 199#define AW_MMC_IDST_ERROR \ 200 (AW_MMC_IDST_FATAL_BERR_INT | AW_MMC_IDST_ERR_FLAG_SUM | \ 201 AW_MMC_IDST_DES_UNAVL_INT | AW_MMC_IDST_ABN_INT_SUM) 202#define AW_MMC_IDST_COMPLETE \ 203 (AW_MMC_IDST_TX_INT | AW_MMC_IDST_RX_INT) 204 205/* AW_MMC_DDR_SBIT_DET */ 206#define AW_MMC_DDR_SBIT_HS_MD_EN (1U << 31) 207 208/* AW_MMC_SAMP */ 209#define AW_MMC_SAMP_DL_SW_EN (1U << 7) 210 211/* The DMA descriptor table. */ 212struct aw_mmc_dma_desc { 213 uint32_t config; 214#define AW_MMC_DMA_CONFIG_DIC (1U << 1) /* Disable Interrupt Completion */ 215#define AW_MMC_DMA_CONFIG_LD (1U << 2) /* Last DES */ 216#define AW_MMC_DMA_CONFIG_FD (1U << 3) /* First DES */ 217#define AW_MMC_DMA_CONFIG_CH (1U << 4) /* CHAIN MOD */ 218#define AW_MMC_DMA_CONFIG_ER (1U << 5) /* End of Ring (undocumented register) */ 219#define AW_MMC_DMA_CONFIG_CES (1U << 30) /* Card Error Summary */ 220#define AW_MMC_DMA_CONFIG_OWN (1U << 31) /* DES Own Flag */ 221 uint32_t buf_size; 222 uint32_t buf_addr; 223 uint32_t next; 224}; 225 226#define AW_MMC_DMA_ALIGN 4 227 228#endif /* _AW_MMC_H_ */ 229