2015-03-31 11:50:46 +00:00
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/*-
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* Copyright 2015 John Wehle <john@feith.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 _ARM_AMLOGIC_AML8726_SDXC_M8_H
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#define _ARM_AMLOGIC_AML8726_SDXC_M8_H
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#define AML_SDXC_ALIGN_DMA 4
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#define AML_SDXC_MAX_DMA 4096
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/*
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* Timeouts are in milliseconds
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*
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* Read and write are per section 4.6.2 of the:
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*
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* SD Specifications Part 1
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2016-05-04 15:48:59 +00:00
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* Physical Layer Simplified Specification
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2015-03-31 11:50:46 +00:00
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* Version 4.10
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*/
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#define AML_SDXC_CMD_TIMEOUT 50
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#define AML_SDXC_READ_TIMEOUT 100
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#define AML_SDXC_WRITE_TIMEOUT 500
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#define AML_SDXC_MAX_TIMEOUT 5000
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#define AML_SDXC_BUSY_POLL_INTVL 1
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#define AML_SDXC_BUSY_TIMEOUT 1000
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/*
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* There's some disagreements between the S805 documentation
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* and the Amlogic Linux platform code regarding the exact
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* layout of various registers ... when in doubt we follow
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* the platform code.
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*/
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#define AML_SDXC_CMD_ARGUMENT_REG 0
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#define AML_SDXC_SEND_REG 4
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#define AML_SDXC_SEND_REP_PKG_CNT_MASK (0xffffU << 16)
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#define AML_SDXC_SEND_REP_PKG_CNT_SHIFT 16
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#define AML_SDXC_SEND_DATA_STOP (1 << 11)
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#define AML_SDXC_SEND_DATA_WRITE (1 << 10)
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#define AML_SDXC_SEND_RESP_NO_CRC7_CHECK (1 << 9)
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#define AML_SDXC_SEND_RESP_136 (1 << 8)
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#define AML_SDXC_SEND_CMD_HAS_DATA (1 << 7)
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#define AML_SDXC_SEND_CMD_HAS_RESP (1 << 6)
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#define AML_SDXC_SEND_INDEX_MASK 0x3f
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#define AML_SDXC_SEND_INDEX_SHIFT 0
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#define AML_SDXC_CNTRL_REG 8
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#define AML_SDXC_CNTRL_TX_ENDIAN_MASK (7 << 29)
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#define AML_SDXC_CNTRL_TX_ENDIAN_SHIFT 29
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#define AML_SDXC_CNTRL_RX_ENDIAN_MASK (7 << 24)
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#define AML_SDXC_CNTRL_RX_ENDIAN_SHIFT 24
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#define AML_SDXC_CNTRL_RX_PERIOD_SHIFT 20
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#define AML_SDXC_CNTRL_RX_TIMEOUT_SHIFT 13
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#define AML_SDXC_CNTRL_PKG_LEN_MASK (0x1ff << 4)
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#define AML_SDXC_CNTRL_PKG_LEN_SHIFT 4
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#define AML_SDXC_CNTRL_BUS_WIDTH_MASK (3 << 0)
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#define AML_SDXC_CNTRL_BUS_WIDTH_1 (0 << 0)
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#define AML_SDXC_CNTRL_BUS_WIDTH_4 (1 << 0)
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#define AML_SDXC_CNTRL_BUS_WIDTH_8 (2 << 0)
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#define AML_SDXC_STATUS_REG 12
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#define AML_SDXC_STATUS_TX_CNT_MASK (0x7f << 13)
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#define AML_SDXC_STATUS_TX_CNT_SHIFT 13
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#define AML_SDXC_STATUS_RX_CNT_MASK (0x7f << 6)
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#define AML_SDXC_STATUS_RX_CNT_SHIFT 6
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#define AML_SDXC_STATUS_CMD (1 << 5)
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#define AML_SDXC_STATUS_DAT3 (1 << 4)
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#define AML_SDXC_STATUS_DAT2 (1 << 3)
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#define AML_SDXC_STATUS_DAT1 (1 << 2)
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#define AML_SDXC_STATUS_DAT0 (1 << 1)
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#define AML_SDXC_STATUS_BUSY (1 << 0)
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#define AML_SDXC_CLK_CNTRL_REG 16
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#define AML_SDXC_CLK_CNTRL_MEM_PWR_MASK (3 << 25)
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#define AML_SDXC_CLK_CNTRL_MEM_PWR_OFF (3 << 25)
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#define AML_SDXC_CLK_CNTRL_MEM_PWR_ON (0 << 25)
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#define AML_SDXC_CLK_CNTRL_CLK_SEL_MASK (3 << 16)
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#define AML_SDXC_CLK_CNTRL_CLK_SEL_SHIFT 16
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#define AML_SDXC_CLK_CNTRL_CLK_MODULE_EN (1 << 15)
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#define AML_SDXC_CLK_CNTRL_SD_CLK_EN (1 << 14)
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#define AML_SDXC_CLK_CNTRL_RX_CLK_EN (1 << 13)
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#define AML_SDXC_CLK_CNTRL_TX_CLK_EN (1 << 12)
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#define AML_SDXC_CLK_CNTRL_CLK_DIV_MASK 0x0fff
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#define AML_SDXC_CLK_CNTRL_CLK_DIV_SHIFT 0
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#define AML_SDXC_DMA_ADDR_REG 20
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#define AML_SDXC_PDMA_REG 24
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#define AML_SDXC_PDMA_TX_FILL (1U << 31)
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#define AML_SDXC_PDMA_RX_FLUSH_NOW (1 << 30)
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#define AML_SDXC_PDMA_RX_FLUSH_MODE_SW (1 << 29)
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#define AML_SDXC_PDMA_TX_THOLD_MASK (0x3f << 22)
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#define AML_SDXC_PDMA_TX_THOLD_SHIFT 22
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#define AML_SDXC_PDMA_RX_THOLD_MASK (0x3f << 15)
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#define AML_SDXC_PDMA_RX_THOLD_SHIFT 15
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#define AML_SDXC_PDMA_RD_BURST_MASK (0x1f << 10)
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#define AML_SDXC_PDMA_RD_BURST_SHIFT 10
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#define AML_SDXC_PDMA_WR_BURST_MASK (0x1f << 5)
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#define AML_SDXC_PDMA_WR_BURST_SHIFT 5
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#define AML_SDXC_PDMA_DMA_URGENT (1 << 4)
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#define AML_SDXC_PDMA_RESP_INDEX_MASK (7 << 1)
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#define AML_SDXC_PDMA_RESP_INDEX_SHIFT 1
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#define AML_SDXC_PDMA_DMA_EN (1 << 0)
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#define AML_SDXC_MISC_REG 28
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#define AML_SDXC_MISC_TXSTART_THOLD_MASK (7U << 29)
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#define AML_SDXC_MISC_TXSTART_THOLD_SHIFT 29
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#define AML_SDXC_MISC_MANUAL_STOP_MODE (1 << 28)
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#define AML_SDXC_MISC_WCRC_OK_PAT_MASK (7 << 7)
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#define AML_SDXC_MISC_WCRC_OK_PAT_SHIFT 7
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#define AML_SDXC_MISC_WCRC_ERR_PAT_MASK (7 << 4)
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#define AML_SDXC_MISC_WCRC_ERR_PAT_SHIFT 4
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#define AML_SDXC_DATA_REG 32
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#define AML_SDXC_IRQ_ENABLE_REG 36
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#define AML_SDXC_IRQ_ENABLE_TX_FIFO_EMPTY (1 << 13)
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#define AML_SDXC_IRQ_ENABLE_RX_FIFO_FULL (1 << 12)
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#define AML_SDXC_IRQ_ENABLE_DMA_DONE (1 << 11)
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#define AML_SDXC_IRQ_ENABLE_TRANSFER_DONE_OK (1 << 7)
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#define AML_SDXC_IRQ_ENABLE_A_PKG_CRC_ERR (1 << 6)
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#define AML_SDXC_IRQ_ENABLE_A_PKG_TIMEOUT_ERR (1 << 5)
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#define AML_SDXC_IRQ_ENABLE_A_PKG_DONE_OK (1 << 4)
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#define AML_SDXC_IRQ_ENABLE_RESP_CRC_ERR (1 << 2)
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#define AML_SDXC_IRQ_ENABLE_RESP_TIMEOUT_ERR (1 << 1)
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#define AML_SDXC_IRQ_ENABLE_RESP_OK (1 << 0)
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#define AML_SDXC_IRQ_ENABLE_STANDARD \
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(AML_SDXC_IRQ_ENABLE_TX_FIFO_EMPTY | \
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AML_SDXC_IRQ_ENABLE_RX_FIFO_FULL | \
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AML_SDXC_IRQ_ENABLE_A_PKG_CRC_ERR | \
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AML_SDXC_IRQ_ENABLE_A_PKG_TIMEOUT_ERR | \
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AML_SDXC_IRQ_ENABLE_RESP_CRC_ERR | \
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AML_SDXC_IRQ_ENABLE_RESP_TIMEOUT_ERR | \
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AML_SDXC_IRQ_ENABLE_RESP_OK)
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#define AML_SDXC_IRQ_STATUS_REG 40
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#define AML_SDXC_IRQ_STATUS_TX_FIFO_EMPTY (1 << 13)
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#define AML_SDXC_IRQ_STATUS_RX_FIFO_FULL (1 << 12)
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#define AML_SDXC_IRQ_STATUS_DMA_DONE (1 << 11)
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#define AML_SDXC_IRQ_STATUS_TRANSFER_DONE_OK (1 << 7)
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#define AML_SDXC_IRQ_STATUS_A_PKG_CRC_ERR (1 << 6)
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#define AML_SDXC_IRQ_STATUS_A_PKG_TIMEOUT_ERR (1 << 5)
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#define AML_SDXC_IRQ_STATUS_A_PKG_DONE_OK (1 << 4)
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#define AML_SDXC_IRQ_STATUS_RESP_CRC_ERR (1 << 2)
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#define AML_SDXC_IRQ_STATUS_RESP_TIMEOUT_ERR (1 << 1)
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#define AML_SDXC_IRQ_STATUS_RESP_OK (1 << 0)
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#define AML_SDXC_IRQ_STATUS_CLEAR \
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(AML_SDXC_IRQ_STATUS_TX_FIFO_EMPTY | \
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AML_SDXC_IRQ_STATUS_RX_FIFO_FULL | \
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AML_SDXC_IRQ_STATUS_DMA_DONE | \
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AML_SDXC_IRQ_STATUS_TRANSFER_DONE_OK | \
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AML_SDXC_IRQ_STATUS_A_PKG_CRC_ERR | \
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AML_SDXC_IRQ_STATUS_A_PKG_TIMEOUT_ERR | \
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AML_SDXC_IRQ_STATUS_RESP_CRC_ERR | \
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AML_SDXC_IRQ_STATUS_RESP_TIMEOUT_ERR | \
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AML_SDXC_IRQ_STATUS_RESP_OK)
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#define AML_SDXC_SOFT_RESET_REG 44
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#define AML_SDXC_SOFT_RESET_DMA (1 << 5)
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#define AML_SDXC_SOFT_RESET_TX_PHY (1 << 4)
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#define AML_SDXC_SOFT_RESET_RX_PHY (1 << 3)
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#define AML_SDXC_SOFT_RESET_TX_FIFO (1 << 2)
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#define AML_SDXC_SOFT_RESET_RX_FIFO (1 << 1)
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#define AML_SDXC_SOFT_RESET_MAIN (1 << 0)
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#define AML_SDXC_SOFT_RESET \
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(AML_SDXC_SOFT_RESET_DMA | \
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AML_SDXC_SOFT_RESET_TX_FIFO | \
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AML_SDXC_SOFT_RESET_RX_FIFO | \
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AML_SDXC_SOFT_RESET_MAIN)
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#define AML_SDXC_ENH_CNTRL_REG 52
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#define AML_SDXC_ENH_CNTRL_TX_EMPTY_THOLD_MASK (0x7f << 25)
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#define AML_SDXC_ENH_CNTRL_TX_EMPTY_THOLD_SHIFT 25
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#define AML_SDXC_ENH_CNTRL_RX_FULL_THOLD_MASK (0x7f << 18)
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#define AML_SDXC_ENH_CNTRL_RX_FULL_THOLD_SHIFT 18
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#define AML_SDXC_ENH_CNTRL_SDIO_IRQ_PERIOD_MASK (0xff << 8)
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#define AML_SDXC_ENH_CNTRL_SDIO_IRQ_PERIOD_SHIFT 8
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#define AML_SDXC_ENH_CNTRL_DMA_NO_WR_RESP_CHECK_M8 (1 << 17)
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#define AML_SDXC_ENH_CNTRL_DMA_NO_RD_RESP_CHECK_M8 (1 << 16)
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#define AML_SDXC_ENH_CNTRL_RX_TIMEOUT_MASK_M8 (0xff << 0)
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#define AML_SDXC_ENH_CNTRL_RX_TIMEOUT_SHIFT_M8 0
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#define AML_SDXC_ENH_CNTRL_NO_DMA_CHECK_M8M2 (1 << 2)
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#define AML_SDXC_ENH_CNTRL_NO_WR_RESP_CHECK_M8M2 (1 << 1)
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#define AML_SDXC_ENH_CNTRL_WR_RESP_MODE_SKIP_M8M2 (1 << 0)
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#define AML_SDXC_CLK2_REG 56
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#define AML_SDXC_CLK2_SD_PHASE_MASK (0x3ff << 12)
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#define AML_SDXC_CLK2_SD_PHASE_SHIFT 12
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#define AML_SDXC_CLK2_RX_PHASE_MASK (0x3ff << 0)
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#define AML_SDXC_CLK2_RX_PHASE_SHIFT 0
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#endif /* _ARM_AMLOGIC_AML8726_SDXC_M8_H */
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