229 lines
9.1 KiB
C
229 lines
9.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org>
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* Copyright (c) 2013 Alexander Fedorov <alexander.fedorov@rtlservice.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _AW_MMC_H_
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#define _AW_MMC_H_
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#define AW_MMC_GCTL 0x00 /* Control Register */
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#define AW_MMC_CKCR 0x04 /* Clock Control Register */
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#define AW_MMC_TMOR 0x08 /* Timeout Register */
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#define AW_MMC_BWDR 0x0C /* Bus Width Register */
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#define AW_MMC_BKSR 0x10 /* Block Size Register */
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#define AW_MMC_BYCR 0x14 /* Byte Count Register */
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#define AW_MMC_CMDR 0x18 /* Command Register */
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#define AW_MMC_CAGR 0x1C /* Argument Register */
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#define AW_MMC_RESP0 0x20 /* Response Register 0 */
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#define AW_MMC_RESP1 0x24 /* Response Register 1 */
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#define AW_MMC_RESP2 0x28 /* Response Register 2 */
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#define AW_MMC_RESP3 0x2C /* Response Register 3 */
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#define AW_MMC_IMKR 0x30 /* Interrupt Mask Register */
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#define AW_MMC_MISR 0x34 /* Masked Interrupt Status Register */
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#define AW_MMC_RISR 0x38 /* Raw Interrupt Status Register */
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#define AW_MMC_STAR 0x3C /* Status Register */
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#define AW_MMC_FWLR 0x40 /* FIFO Threshold Watermark Register */
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#define AW_MMC_FUNS 0x44 /* Function Select Register */
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#define AW_MMC_DBGC 0x50 /* Debug register */
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#define AW_MMC_CSDC 0x54 /* CRC status detect controler register (A64 smhc2 only) */
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#define AW_MMC_A12A 0x58 /* Auto command 12 argument register */
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#define AW_MMC_NTSR 0x5C /* SD new timing register (H3, A64 smhc0/1 only) */
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#define AW_MMC_HWRST 0x78 /* Hardware reset */
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#define AW_MMC_DMAC 0x80 /* IDMAC Control Register */
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#define AW_MMC_DLBA 0x84 /* IDMAC Desc List Base Address Reg */
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#define AW_MMC_IDST 0x88 /* IDMAC Status Register */
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#define AW_MMC_IDIE 0x8C /* IDMAC Interrupt Enable Register */
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#define AW_MMC_DDR_SBIT_DET 0x10C /* eMMC4.5 DDR Start Bit Detection control register */
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#define AW_MMC_DRV_DL 0x140 /* Drive Delay control register */
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#define AW_MMC_SAMP_DL 0x144 /* Sample Delay controle register */
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#define AW_MMC_DS_DL 0x148 /* Data strobe delay control register */
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#define AW_MMC_FIFO 0x100 /* FIFO Access Address (A10/A20) */
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#define A31_MMC_FIFO 0x200 /* FIFO Access Address (A31) */
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/* AW_MMC_GCTL */
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#define AW_MMC_GCTL_SOFT_RST (1U << 0)
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#define AW_MMC_GCTL_FIFO_RST (1U << 1)
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#define AW_MMC_GCTL_DMA_RST (1U << 2)
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#define AW_MMC_GCTL_INT_ENB (1U << 4)
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#define AW_MMC_GCTL_DMA_ENB (1U << 5)
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#define AW_MMC_GCTL_CD_DBC_ENB (1U << 8)
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#define AW_MMC_GCTL_DDR_MOD_SEL (1U << 10)
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#define AW_MMC_GCTL_WAIT_MEM_ACCESS (1U << 30)
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#define AW_MMC_GCTL_FIFO_AC_MOD (1U << 31)
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#define AW_MMC_GCTL_RESET \
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(AW_MMC_GCTL_SOFT_RST | AW_MMC_GCTL_FIFO_RST | AW_MMC_GCTL_DMA_RST)
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/* AW_MMC_CKCR */
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#define AW_MMC_CKCR_DIV 0xff
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#define AW_MMC_CKCR_ENB (1U << 16)
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#define AW_MMC_CKCR_LOW_POWER (1U << 17)
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#define AW_MMC_CKCR_MASK_DATA0 (1U << 31)
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/* AW_MMC_TMOR */
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#define AW_MMC_TMOR_RTO_LMT_SHIFT(x) x /* Response timeout limit */
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#define AW_MMC_TMOR_RTO_LMT_MASK 0xff
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#define AW_MMC_TMOR_DTO_LMT_SHIFT(x) (x << 8) /* Data timeout limit */
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#define AW_MMC_TMOR_DTO_LMT_MASK 0xffffff
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/* AW_MMC_BWDR */
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#define AW_MMC_BWDR1 0
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#define AW_MMC_BWDR4 1
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#define AW_MMC_BWDR8 2
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/* AW_MMC_CMDR */
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#define AW_MMC_CMDR_RESP_RCV (1U << 6)
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#define AW_MMC_CMDR_LONG_RESP (1U << 7)
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#define AW_MMC_CMDR_CHK_RESP_CRC (1U << 8)
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#define AW_MMC_CMDR_DATA_TRANS (1U << 9)
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#define AW_MMC_CMDR_DIR_WRITE (1U << 10)
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#define AW_MMC_CMDR_TRANS_MODE_STREAM (1U << 11)
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#define AW_MMC_CMDR_STOP_CMD_FLAG (1U << 12)
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#define AW_MMC_CMDR_WAIT_PRE_OVER (1U << 13)
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#define AW_MMC_CMDR_STOP_ABT_CMD (1U << 14)
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#define AW_MMC_CMDR_SEND_INIT_SEQ (1U << 15)
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#define AW_MMC_CMDR_PRG_CLK (1U << 21)
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#define AW_MMC_CMDR_RD_CEDATA_DEV (1U << 22)
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#define AW_MMC_CMDR_CCS_EXP (1U << 23)
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#define AW_MMC_CMDR_BOOT_MOD_SHIFT 24
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#define AW_MMC_CMDR_BOOT_MOD_NORMAL 0
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#define AW_MMC_CMDR_BOOT_MOD_MANDATORY 1
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#define AW_MMC_CMDR_BOOT_MOD_ALT 2
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#define AW_MMC_CMDR_EXP_BOOT_ACK (1U << 26)
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#define AW_MMC_CMDR_BOOT_ABT (1U << 27)
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#define AW_MMC_CMDR_VOL_SW (1U << 28)
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#define AW_MMC_CMDR_LOAD (1U << 31)
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/* AW_MMC_IMKR and AW_MMC_RISR */
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#define AW_MMC_INT_RESP_ERR (1U << 1)
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#define AW_MMC_INT_CMD_DONE (1U << 2)
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#define AW_MMC_INT_DATA_OVER (1U << 3)
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#define AW_MMC_INT_TX_DATA_REQ (1U << 4)
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#define AW_MMC_INT_RX_DATA_REQ (1U << 5)
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#define AW_MMC_INT_RESP_CRC_ERR (1U << 6)
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#define AW_MMC_INT_DATA_CRC_ERR (1U << 7)
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#define AW_MMC_INT_RESP_TIMEOUT (1U << 8)
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#define AW_MMC_INT_BOOT_ACK_RECV (1U << 8)
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#define AW_MMC_INT_DATA_TIMEOUT (1U << 9)
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#define AW_MMC_INT_BOOT_START (1U << 9)
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#define AW_MMC_INT_DATA_STARVE (1U << 10)
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#define AW_MMC_INT_VOL_CHG_DONE (1U << 10)
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#define AW_MMC_INT_FIFO_RUN_ERR (1U << 11)
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#define AW_MMC_INT_CMD_BUSY (1U << 12)
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#define AW_MMC_INT_DATA_START_ERR (1U << 13)
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#define AW_MMC_INT_AUTO_STOP_DONE (1U << 14)
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#define AW_MMC_INT_DATA_END_BIT_ERR (1U << 15)
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#define AW_MMC_INT_SDIO (1U << 16)
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#define AW_MMC_INT_CARD_INSERT (1U << 30)
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#define AW_MMC_INT_CARD_REMOVE (1U << 31)
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#define AW_MMC_INT_ERR_BIT \
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(AW_MMC_INT_RESP_ERR | AW_MMC_INT_RESP_CRC_ERR | \
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AW_MMC_INT_DATA_CRC_ERR | AW_MMC_INT_RESP_TIMEOUT | \
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AW_MMC_INT_FIFO_RUN_ERR | AW_MMC_INT_CMD_BUSY | \
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AW_MMC_INT_DATA_START_ERR | AW_MMC_INT_DATA_END_BIT_ERR)
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/* AW_MMC_STAR */
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#define AW_MMC_STAR_FIFO_RX_LEVEL (1U << 0)
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#define AW_MMC_STAR_FIFO_TX_LEVEL (1U << 1)
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#define AW_MMC_STAR_FIFO_EMPTY (1U << 2)
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#define AW_MMC_STAR_FIFO_FULL (1U << 3)
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#define AW_MMC_STAR_CARD_PRESENT (1U << 8)
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#define AW_MMC_STAR_CARD_BUSY (1U << 9)
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#define AW_MMC_STAR_FSM_BUSY (1U << 10)
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#define AW_MMC_STAR_DMA_REQ (1U << 31)
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/* AW_MMC_FUNS */
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#define AW_MMC_CE_ATA_ON (0xceaaU << 16)
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#define AW_MMC_SEND_IRQ_RESP (1U << 0)
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#define AW_MMC_SDIO_RD_WAIT (1U << 1)
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#define AW_MMC_ABT_RD_DATA (1U << 2)
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#define AW_MMC_SEND_CC_SD (1U << 8)
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#define AW_MMC_SEND_AUTOSTOP_CC_SD (1U << 9)
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#define AW_MMC_CE_ATA_DEV_INT_ENB (1U << 10)
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/* AW_MMC_NTSR */
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#define AW_MMC_NTSR_MODE_SELECT (1U << 31)
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/* IDMA CONTROLLER BUS MOD BIT FIELD */
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#define AW_MMC_DMAC_IDMAC_SOFT_RST (1U << 0)
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#define AW_MMC_DMAC_IDMAC_FIX_BURST (1U << 1)
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#define AW_MMC_DMAC_IDMAC_IDMA_ON (1U << 7)
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#define AW_MMC_DMAC_IDMAC_REFETCH_DES (1U << 31)
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/* AW_MMC_IDST */
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#define AW_MMC_IDST_TX_INT (1U << 0)
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#define AW_MMC_IDST_RX_INT (1U << 1)
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#define AW_MMC_IDST_FATAL_BERR_INT (1U << 2)
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#define AW_MMC_IDST_DES_UNAVL_INT (1U << 4)
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#define AW_MMC_IDST_ERR_FLAG_SUM (1U << 5)
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#define AW_MMC_IDST_NOR_INT_SUM (1U << 8)
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#define AW_MMC_IDST_ABN_INT_SUM (1U << 9)
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#define AW_MMC_IDST_HOST_ABT_INTX (1U << 10)
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#define AW_MMC_IDST_HOST_ABT_INRX (1U << 10)
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#define AW_MMC_IDST_IDLE (0U << 13)
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#define AW_MMC_IDST_SUSPEND (1U << 13)
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#define AW_MMC_IDST_DESC_RD (2U << 13)
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#define AW_MMC_IDST_DESC_CHECK (3U << 13)
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#define AW_MMC_IDST_RD_REQ_WAIT (4U << 13)
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#define AW_MMC_IDST_WR_REQ_WAIT (5U << 13)
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#define AW_MMC_IDST_RD (6U << 13)
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#define AW_MMC_IDST_WR (7U << 13)
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#define AW_MMC_IDST_DESC_CLOSE (8U << 13)
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#define AW_MMC_IDST_ERROR \
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(AW_MMC_IDST_FATAL_BERR_INT | AW_MMC_IDST_ERR_FLAG_SUM | \
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AW_MMC_IDST_DES_UNAVL_INT | AW_MMC_IDST_ABN_INT_SUM)
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#define AW_MMC_IDST_COMPLETE \
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(AW_MMC_IDST_TX_INT | AW_MMC_IDST_RX_INT)
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/* AW_MMC_DDR_SBIT_DET */
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#define AW_MMC_DDR_SBIT_HS_MD_EN (1U << 31)
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/* AW_MMC_SAMP */
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#define AW_MMC_SAMP_DL_SW_EN (1U << 7)
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/* The DMA descriptor table. */
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struct aw_mmc_dma_desc {
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uint32_t config;
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#define AW_MMC_DMA_CONFIG_DIC (1U << 1) /* Disable Interrupt Completion */
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#define AW_MMC_DMA_CONFIG_LD (1U << 2) /* Last DES */
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#define AW_MMC_DMA_CONFIG_FD (1U << 3) /* First DES */
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#define AW_MMC_DMA_CONFIG_CH (1U << 4) /* CHAIN MOD */
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#define AW_MMC_DMA_CONFIG_ER (1U << 5) /* End of Ring (undocumented register) */
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#define AW_MMC_DMA_CONFIG_CES (1U << 30) /* Card Error Summary */
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#define AW_MMC_DMA_CONFIG_OWN (1U << 31) /* DES Own Flag */
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uint32_t buf_size;
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uint32_t buf_addr;
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uint32_t next;
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};
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#define AW_MMC_DMA_ALIGN 4
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#endif /* _AW_MMC_H_ */
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