2 * SD-SPI Protocol Standard
4 * Copyright (C) 1999-2016, Broadcom Corporation
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7 * agreement governing use of this software, this software is licensed to you
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9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
10 * following added to such license:
12 * As a special exception, the copyright holders of this software give you
13 * permission to link this software with independent modules, and to copy and
14 * distribute the resulting executable under terms of your choice, provided that
15 * you also meet, for each linked independent module, the terms and conditions of
16 * the license of that module. An independent module is a module which is not
17 * derived from this software. The special exception does not apply to any
18 * modifications of the software.
20 * Notwithstanding the above, under no circumstances may you combine this
21 * software in any way with any other Broadcom software provided under a license
22 * other than the GPL, without Broadcom's express prior written consent.
25 * <<Broadcom-WL-IPTag/Open:>>
27 * $Id: sdspi.h 518342 2014-12-01 23:21:41Z $
32 #define SPI_START_M BITFIELD_MASK(1) /* Bit [31] - Start Bit */
33 #define SPI_START_S 31
34 #define SPI_DIR_M BITFIELD_MASK(1) /* Bit [30] - Direction */
36 #define SPI_CMD_INDEX_M BITFIELD_MASK(6) /* Bits [29:24] - Command number */
37 #define SPI_CMD_INDEX_S 24
38 #define SPI_RW_M BITFIELD_MASK(1) /* Bit [23] - Read=0, Write=1 */
40 #define SPI_FUNC_M BITFIELD_MASK(3) /* Bits [22:20] - Function Number */
42 #define SPI_RAW_M BITFIELD_MASK(1) /* Bit [19] - Read After Wr */
44 #define SPI_STUFF_M BITFIELD_MASK(1) /* Bit [18] - Stuff bit */
45 #define SPI_STUFF_S 18
46 #define SPI_BLKMODE_M BITFIELD_MASK(1) /* Bit [19] - Blockmode 1=blk */
47 #define SPI_BLKMODE_S 19
48 #define SPI_OPCODE_M BITFIELD_MASK(1) /* Bit [18] - OP Code */
49 #define SPI_OPCODE_S 18
50 #define SPI_ADDR_M BITFIELD_MASK(17) /* Bits [17:1] - Address */
52 #define SPI_STUFF0_M BITFIELD_MASK(1) /* Bit [0] - Stuff bit */
53 #define SPI_STUFF0_S 0
55 #define SPI_RSP_START_M BITFIELD_MASK(1) /* Bit [7] - Start Bit (always 0) */
56 #define SPI_RSP_START_S 7
57 #define SPI_RSP_PARAM_ERR_M BITFIELD_MASK(1) /* Bit [6] - Parameter Error */
58 #define SPI_RSP_PARAM_ERR_S 6
59 #define SPI_RSP_RFU5_M BITFIELD_MASK(1) /* Bit [5] - RFU (Always 0) */
60 #define SPI_RSP_RFU5_S 5
61 #define SPI_RSP_FUNC_ERR_M BITFIELD_MASK(1) /* Bit [4] - Function number error */
62 #define SPI_RSP_FUNC_ERR_S 4
63 #define SPI_RSP_CRC_ERR_M BITFIELD_MASK(1) /* Bit [3] - COM CRC Error */
64 #define SPI_RSP_CRC_ERR_S 3
65 #define SPI_RSP_ILL_CMD_M BITFIELD_MASK(1) /* Bit [2] - Illegal Command error */
66 #define SPI_RSP_ILL_CMD_S 2
67 #define SPI_RSP_RFU1_M BITFIELD_MASK(1) /* Bit [1] - RFU (Always 0) */
68 #define SPI_RSP_RFU1_S 1
69 #define SPI_RSP_IDLE_M BITFIELD_MASK(1) /* Bit [0] - In idle state */
70 #define SPI_RSP_IDLE_S 0
72 /* SD-SPI Protocol Definitions */
73 #define SDSPI_COMMAND_LEN 6 /* Number of bytes in an SD command */
74 #define SDSPI_START_BLOCK 0xFE /* SD Start Block Token */
75 #define SDSPI_IDLE_PAD 0xFF /* SD-SPI idle value for MOSI */
76 #define SDSPI_START_BIT_MASK 0x80
78 #endif /* _SD_SPI_H */