blob: 245cdacee5443791eb5418d10bde3daa190351a9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* include/linux/mmc/sdio.h
*
* Copyright 2006-2007 Pierre Ossman
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#ifndef MMC_SDIO_H
#define MMC_SDIO_H
/* SDIO commands type argument response */
#define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */
#define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */
#define SD_IO_RW_EXTENDED 53 /* adtc [31:0] See below R5 */
/*
* SD_IO_RW_DIRECT argument format:
*
* [31] R/W flag
* [30:28] Function number
* [27] RAW flag
* [25:9] Register address
* [7:0] Data
*/
/*
* SD_IO_RW_EXTENDED argument format:
*
* [31] R/W flag
* [30:28] Function number
* [27] Block mode
* [26] Increment address
* [25:9] Register address
* [8:0] Byte/block count
*/
#define R4_MEMORY_PRESENT (1 << 27)
/*
SDIO status in R5
Type
e : error bit
s : status bit
r : detected and set for the actual command response
x : detected and set during command execution. the host must poll
the card by sending status command in order to read these bits.
Clear condition
a : according to the card state
b : always related to the previous command. Reception of
a valid command will clear it (with a delay of one command)
c : clear by read
*/
#define R5_COM_CRC_ERROR (1 << 15) /* er, b */
#define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */
#define R5_ERROR (1 << 11) /* erx, c */
#define R5_FUNCTION_NUMBER (1 << 9) /* er, c */
#define R5_OUT_OF_RANGE (1 << 8) /* er, c */
#define R5_STATUS(x) (x & 0xCB00)
#define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */
/*
* Card Common Control Registers (CCCR)
*/
#define SDIO_CCCR_CCCR 0x00
#define SDIO_CCCR_REV_1_00 0 /* CCCR/FBR Version 1.00 */
#define SDIO_CCCR_REV_1_10 1 /* CCCR/FBR Version 1.10 */
#define SDIO_CCCR_REV_1_20 2 /* CCCR/FBR Version 1.20 */
#define SDIO_SDIO_REV_1_00 0 /* SDIO Spec Version 1.00 */
#define SDIO_SDIO_REV_1_10 1 /* SDIO Spec Version 1.10 */
#define SDIO_SDIO_REV_1_20 2 /* SDIO Spec Version 1.20 */
#define SDIO_SDIO_REV_2_00 3 /* SDIO Spec Version 2.00 */
#define SDIO_CCCR_SD 0x01
#define SDIO_SD_REV_1_01 0 /* SD Physical Spec Version 1.01 */
#define SDIO_SD_REV_1_10 1 /* SD Physical Spec Version 1.10 */
#define SDIO_SD_REV_2_00 2 /* SD Physical Spec Version 2.00 */
#define SDIO_CCCR_IOEx 0x02
#define SDIO_CCCR_IORx 0x03
#define SDIO_CCCR_IENx 0x04 /* Function/Master Interrupt Enable */
#define SDIO_CCCR_INTx 0x05 /* Function Interrupt Pending */
#define SDIO_CCCR_ABORT 0x06 /* function abort/card reset */
#define SDIO_CCCR_IF 0x07 /* bus interface controls */
#define SDIO_BUS_WIDTH_1BIT 0x00
#define SDIO_BUS_WIDTH_4BIT 0x02
#define SDIO_BUS_ECSI 0x20 /* Enable continuous SPI interrupt */
#define SDIO_BUS_SCSI 0x40 /* Support continuous SPI interrupt */
#define SDIO_BUS_ASYNC_INT 0x20
#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */
#define SDIO_CCCR_CAPS 0x08
#define SDIO_CCCR_CAP_SDC 0x01 /* can do CMD52 while data transfer */
#define SDIO_CCCR_CAP_SMB 0x02 /* can do multi-block xfers (CMD53) */
#define SDIO_CCCR_CAP_SRW 0x04 /* supports read-wait protocol */
#define SDIO_CCCR_CAP_SBS 0x08 /* supports suspend/resume */
#define SDIO_CCCR_CAP_S4MI 0x10 /* interrupt during 4-bit CMD53 */
#define SDIO_CCCR_CAP_E4MI 0x20 /* enable ints during 4-bit CMD53 */
#define SDIO_CCCR_CAP_LSC 0x40 /* low speed card */
#define SDIO_CCCR_CAP_4BLS 0x80 /* 4 bit low speed card */
#define SDIO_CCCR_CIS 0x09 /* common CIS pointer (3 bytes) */
/* Following 4 regs are valid only if SBS is set */
#define SDIO_CCCR_SUSPEND 0x0c
#define SDIO_CCCR_SELx 0x0d
#define SDIO_CCCR_EXECx 0x0e
#define SDIO_CCCR_READYx 0x0f
#define SDIO_CCCR_BLKSIZE 0x10
#define SDIO_CCCR_POWER 0x12
#define SDIO_POWER_SMPC 0x01 /* Supports Master Power Control */
#define SDIO_POWER_EMPC 0x02 /* Enable Master Power Control */
#define SDIO_CCCR_SPEED 0x13
#define SDIO_SPEED_SHS 0x01 /* Supports High-Speed mode */
#define SDIO_SPEED_EHS 0x02 /* Enable High-Speed mode */
/*
* Function Basic Registers (FBR)
*/
#define SDIO_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */
#define SDIO_FBR_STD_IF 0x00
#define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */
#define SDIO_FBR_ENABLE_CSA 0x80 /* enable Code Storage Area */
#define SDIO_FBR_STD_IF_EXT 0x01
#define SDIO_FBR_POWER 0x02
#define SDIO_FBR_POWER_SPS 0x01 /* Supports Power Selection */
#define SDIO_FBR_POWER_EPS 0x02 /* Enable (low) Power Selection */
#define SDIO_FBR_CIS 0x09 /* CIS pointer (3 bytes) */
#define SDIO_FBR_CSA 0x0C /* CSA pointer (3 bytes) */
#define SDIO_FBR_CSA_DATA 0x0F
#define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */
#endif
|
