freebsd-dev/sys/arm/amlogic/aml8726/aml8726_mmc.h
Pedro F. Giffuni 255eff3b0d sys/arm: Minor spelling fixes.
Only affects comments: no functional change.
2016-05-04 15:48:59 +00:00

124 lines
4.7 KiB
C

/*-
* Copyright 2013-2015 John Wehle <john@feith.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _ARM_AMLOGIC_AML8726_MMC_H
#define _ARM_AMLOGIC_AML8726_MMC_H
#define AML_MMC_ALIGN_DMA 4
#define AML_MMC_MAX_DMA 4096
/*
* Timeouts are in milliseconds
*
* Read and write are per section 4.6.2 of the:
*
* SD Specifications Part 1
* Physical Layer Simplified Specification
* Version 4.10
*/
#define AML_MMC_CMD_TIMEOUT 50
#define AML_MMC_READ_TIMEOUT 100
#define AML_MMC_WRITE_TIMEOUT 500
#define AML_MMC_MAX_TIMEOUT 5000
#define AML_MMC_CMD_ARGUMENT_REG 0
#define AML_MMC_CMD_SEND_REG 4
#define AML_MMC_CMD_REP_PKG_CNT_MASK (0xffU << 24)
#define AML_MMC_CMD_REP_PKG_CNT_SHIFT 24
#define AML_MMC_CMD_CMD_HAS_DATA (1 << 20)
#define AML_MMC_CMD_CHECK_DAT0_BUSY (1 << 19)
#define AML_MMC_CMD_RESP_CRC7_FROM_8 (1 << 18)
#define AML_MMC_CMD_RESP_HAS_DATA (1 << 17)
#define AML_MMC_CMD_RESP_NO_CRC7 (1 << 16)
#define AML_MMC_CMD_RESP_BITS_MASK (0xff << 8)
#define AML_MMC_CMD_RESP_BITS_SHIFT 8
#define AML_MMC_CMD_START_BIT (0 << 7)
#define AML_MMC_CMD_TRANS_BIT_HOST (1 << 6)
#define AML_MMC_CMD_INDEX_MASK 0x3f
#define AML_MMC_CMD_INDEX_SHIFT 0
#define AML_MMC_CONFIG_REG 8
#define AML_MMC_CONFIG_WR_CRC_STAT_MASK (7U << 29)
#define AML_MMC_CONFIG_WR_CRC_STAT_SHIFT 29
#define AML_MMC_CONFIG_WR_DELAY_MASK (0x3f << 23)
#define AML_MMC_CONFIG_WR_DELAY_SHIFT 23
#define AML_MMC_CONFIG_DMA_ENDIAN_MASK (3 << 21)
#define AML_MMC_CONFIG_DMA_ENDIAN_NC (0 << 21)
#define AML_MMC_CONFIG_DMA_ENDIAN_SB (1 << 21)
#define AML_MMC_CONFIG_DMA_ENDIAN_SW (2 << 21)
#define AML_MMC_CONFIG_DMA_ENDIAN_SBW (3 << 21)
#define AML_MMC_CONFIG_BUS_WIDTH_MASK (1 << 20)
#define AML_MMC_CONFIG_BUS_WIDTH_1 (0 << 20)
#define AML_MMC_CONFIG_BUS_WIDTH_4 (1 << 20)
#define AML_MMC_CONFIG_DATA_NEG_EDGE (1 << 19)
#define AML_MMC_CONFIG_DONT_DELAY_DATA (1 << 18)
#define AML_MMC_CONFIG_CMD_ARG_BITS_MASK (0x3f << 12)
#define AML_MMC_CONFIG_CMD_ARG_BITS_SHIFT 12
#define AML_MMC_CONFIG_CMD_POS_EDGE (1 << 11)
#define AML_MMC_CONFIG_CMD_NO_CRC (1 << 10)
#define AML_MMC_CONFIG_CMD_CLK_DIV_MASK 0x3ff
#define AML_MMC_CONFIG_CMD_CLK_DIV_SHIFT 0
#define AML_MMC_IRQ_STATUS_REG 12
#define AML_MMC_IRQ_STATUS_TIMER_CNT_MASK (0x1fffU << 19)
#define AML_MMC_IRQ_STATUS_TIMER_CNT_SHIFT 19
#define AML_MMC_IRQ_STATUS_TIMER_EN (1 << 18)
#define AML_MMC_IRQ_STATUS_TIMEOUT_IRQ (1 << 16)
#define AML_MMC_IRQ_STATUS_CMD_DONE_IRQ (1 << 9)
#define AML_MMC_IRQ_STATUS_WR_CRC16_OK (1 << 7)
#define AML_MMC_IRQ_STATUS_RD_CRC16_OK (1 << 6)
#define AML_MMC_IRQ_STATUS_RESP_CRC7_OK (1 << 5)
#define AML_MMC_IRQ_STATUS_CMD_BUSY (1 << 4)
#define AML_MMC_IRQ_STATUS_CLEAR_IRQ 0x10700
#define AML_MMC_IRQ_CONFIG_REG 16
#define AML_MMC_IRQ_CONFIG_SOFT_RESET (1 << 15)
#define AML_MMC_IRQ_CONFIG_CMD_DONE_EN (1 << 4)
#define AML_MMC_MULT_CONFIG_REG 20
#define AML_MMC_MULT_CONFIG_RESP_INDEX_MASK (0xf << 12)
#define AML_MMC_MULT_CONFIG_RESP_INDEX_SHIFT 12
#define AML_MMC_MULT_CONFIG_RESP_READOUT_EN (1 << 8)
#define AML_MMC_MULT_CONFIG_STREAM_8_MODE (1 << 5)
#define AML_MMC_MULT_CONFIG_STREAM_EN (1 << 4)
#define AML_MMC_MULT_CONFIG_PORT_MASK 3
#define AML_MMC_MULT_CONFIG_PORT_A 0
#define AML_MMC_MULT_CONFIG_PORT_B 1
#define AML_MMC_MULT_CONFIG_PORT_C 2
#define AML_MMC_DMA_ADDR_REG 24
#define AML_MMC_EXTENSION_REG 28
#define AML_MMC_EXTENSION_NO_CRC16 (1 << 30)
#define AML_MMC_EXTENSION_PKT_SIZE_MASK (0x3fff << 16)
#define AML_MMC_EXTENSION_PKT_SIZE_SHIFT 16
#endif /* _ARM_AMLOGIC_AML8726_MMC_H */