| /* |
| * SD-SPI Protocol Standard |
| * |
| * Copyright 1999-2016, Broadcom Corporation |
| * 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 copyright holder "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 copyright holder 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 |
| * |
| * |
| * <<Broadcom-WL-IPTag/Open:>> |
| * |
| * $Id: sdspi.h 518342 2014-12-01 23:21:41Z $ |
| */ |
| #ifndef _SD_SPI_H |
| #define _SD_SPI_H |
| |
| #define SPI_START_M BITFIELD_MASK(1) /* Bit [31] - Start Bit */ |
| #define SPI_START_S 31 |
| #define SPI_DIR_M BITFIELD_MASK(1) /* Bit [30] - Direction */ |
| #define SPI_DIR_S 30 |
| #define SPI_CMD_INDEX_M BITFIELD_MASK(6) /* Bits [29:24] - Command number */ |
| #define SPI_CMD_INDEX_S 24 |
| #define SPI_RW_M BITFIELD_MASK(1) /* Bit [23] - Read=0, Write=1 */ |
| #define SPI_RW_S 23 |
| #define SPI_FUNC_M BITFIELD_MASK(3) /* Bits [22:20] - Function Number */ |
| #define SPI_FUNC_S 20 |
| #define SPI_RAW_M BITFIELD_MASK(1) /* Bit [19] - Read After Wr */ |
| #define SPI_RAW_S 19 |
| #define SPI_STUFF_M BITFIELD_MASK(1) /* Bit [18] - Stuff bit */ |
| #define SPI_STUFF_S 18 |
| #define SPI_BLKMODE_M BITFIELD_MASK(1) /* Bit [19] - Blockmode 1=blk */ |
| #define SPI_BLKMODE_S 19 |
| #define SPI_OPCODE_M BITFIELD_MASK(1) /* Bit [18] - OP Code */ |
| #define SPI_OPCODE_S 18 |
| #define SPI_ADDR_M BITFIELD_MASK(17) /* Bits [17:1] - Address */ |
| #define SPI_ADDR_S 1 |
| #define SPI_STUFF0_M BITFIELD_MASK(1) /* Bit [0] - Stuff bit */ |
| #define SPI_STUFF0_S 0 |
| |
| #define SPI_RSP_START_M BITFIELD_MASK(1) /* Bit [7] - Start Bit (always 0) */ |
| #define SPI_RSP_START_S 7 |
| #define SPI_RSP_PARAM_ERR_M BITFIELD_MASK(1) /* Bit [6] - Parameter Error */ |
| #define SPI_RSP_PARAM_ERR_S 6 |
| #define SPI_RSP_RFU5_M BITFIELD_MASK(1) /* Bit [5] - RFU (Always 0) */ |
| #define SPI_RSP_RFU5_S 5 |
| #define SPI_RSP_FUNC_ERR_M BITFIELD_MASK(1) /* Bit [4] - Function number error */ |
| #define SPI_RSP_FUNC_ERR_S 4 |
| #define SPI_RSP_CRC_ERR_M BITFIELD_MASK(1) /* Bit [3] - COM CRC Error */ |
| #define SPI_RSP_CRC_ERR_S 3 |
| #define SPI_RSP_ILL_CMD_M BITFIELD_MASK(1) /* Bit [2] - Illegal Command error */ |
| #define SPI_RSP_ILL_CMD_S 2 |
| #define SPI_RSP_RFU1_M BITFIELD_MASK(1) /* Bit [1] - RFU (Always 0) */ |
| #define SPI_RSP_RFU1_S 1 |
| #define SPI_RSP_IDLE_M BITFIELD_MASK(1) /* Bit [0] - In idle state */ |
| #define SPI_RSP_IDLE_S 0 |
| |
| /* SD-SPI Protocol Definitions */ |
| #define SDSPI_COMMAND_LEN 6 /* Number of bytes in an SD command */ |
| #define SDSPI_START_BLOCK 0xFE /* SD Start Block Token */ |
| #define SDSPI_IDLE_PAD 0xFF /* SD-SPI idle value for MOSI */ |
| #define SDSPI_START_BIT_MASK 0x80 |
| |
| #endif /* _SD_SPI_H */ |
