76 lines
3.3 KiB
C
76 lines
3.3 KiB
C
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/*
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* SD-SPI Protocol Standard
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*
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* Copyright (C) 1999-2012, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: sdspi.h 241182 2011-02-17 21:50:03Z $
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*/
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#ifndef _SD_SPI_H
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#define _SD_SPI_H
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#define SPI_START_M BITFIELD_MASK(1) /* Bit [31] - Start Bit */
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#define SPI_START_S 31
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#define SPI_DIR_M BITFIELD_MASK(1) /* Bit [30] - Direction */
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#define SPI_DIR_S 30
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#define SPI_CMD_INDEX_M BITFIELD_MASK(6) /* Bits [29:24] - Command number */
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#define SPI_CMD_INDEX_S 24
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#define SPI_RW_M BITFIELD_MASK(1) /* Bit [23] - Read=0, Write=1 */
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#define SPI_RW_S 23
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#define SPI_FUNC_M BITFIELD_MASK(3) /* Bits [22:20] - Function Number */
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#define SPI_FUNC_S 20
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#define SPI_RAW_M BITFIELD_MASK(1) /* Bit [19] - Read After Wr */
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#define SPI_RAW_S 19
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#define SPI_STUFF_M BITFIELD_MASK(1) /* Bit [18] - Stuff bit */
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#define SPI_STUFF_S 18
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#define SPI_BLKMODE_M BITFIELD_MASK(1) /* Bit [19] - Blockmode 1=blk */
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#define SPI_BLKMODE_S 19
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#define SPI_OPCODE_M BITFIELD_MASK(1) /* Bit [18] - OP Code */
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#define SPI_OPCODE_S 18
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#define SPI_ADDR_M BITFIELD_MASK(17) /* Bits [17:1] - Address */
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#define SPI_ADDR_S 1
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#define SPI_STUFF0_M BITFIELD_MASK(1) /* Bit [0] - Stuff bit */
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#define SPI_STUFF0_S 0
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#define SPI_RSP_START_M BITFIELD_MASK(1) /* Bit [7] - Start Bit (always 0) */
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#define SPI_RSP_START_S 7
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#define SPI_RSP_PARAM_ERR_M BITFIELD_MASK(1) /* Bit [6] - Parameter Error */
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#define SPI_RSP_PARAM_ERR_S 6
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#define SPI_RSP_RFU5_M BITFIELD_MASK(1) /* Bit [5] - RFU (Always 0) */
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#define SPI_RSP_RFU5_S 5
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#define SPI_RSP_FUNC_ERR_M BITFIELD_MASK(1) /* Bit [4] - Function number error */
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#define SPI_RSP_FUNC_ERR_S 4
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#define SPI_RSP_CRC_ERR_M BITFIELD_MASK(1) /* Bit [3] - COM CRC Error */
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#define SPI_RSP_CRC_ERR_S 3
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#define SPI_RSP_ILL_CMD_M BITFIELD_MASK(1) /* Bit [2] - Illegal Command error */
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#define SPI_RSP_ILL_CMD_S 2
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#define SPI_RSP_RFU1_M BITFIELD_MASK(1) /* Bit [1] - RFU (Always 0) */
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#define SPI_RSP_RFU1_S 1
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#define SPI_RSP_IDLE_M BITFIELD_MASK(1) /* Bit [0] - In idle state */
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#define SPI_RSP_IDLE_S 0
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/* SD-SPI Protocol Definitions */
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#define SDSPI_COMMAND_LEN 6 /* Number of bytes in an SD command */
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#define SDSPI_START_BLOCK 0xFE /* SD Start Block Token */
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#define SDSPI_IDLE_PAD 0xFF /* SD-SPI idle value for MOSI */
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#define SDSPI_START_BIT_MASK 0x80
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#endif /* _SD_SPI_H */
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