blob: 3aa2235d87c1ef11b33cd164ce24af281cdcfb13 (
plain)
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
|
/*
* i.MX27 SDHC definitions.
*
* Copyright (C) 2007 Cambridge Silicon Radio Ltd.
*
* Refer to LICENSE.txt included with this source code for details on
* the license terms.
*/
#ifndef _SLOT_IMX27_H
#define _SLOT_IMX27_H
/*
* i.MX27 SDHC registers.
*/
#define SDHC_STR_STP_CLK 0x00
# define STR_STP_CLK_MMCSD_RESET 0x0008
# define STR_STP_CLK_START_CLK 0x0002
# define STR_STP_CLK_STOP_CLK 0x0001
#define SDHC_STATUS 0x04
# define STATUS_CARD_PRESENCE 0x8000
# define STATUS_SDIO_INT_ACTIVE 0x4000
# define STATUS_END_CMD_RESP 0x2000
# define STATUS_WRITE_OP_DONE 0x1000
# define STATUS_READ_OP_DONE 0x0800
# define STATUS_CARD_BUS_CLK_RUN 0x0100
# define STATUS_APPL_BUFF_FF 0x0080
# define STATUS_APPL_BUFF_FE 0x0040
# define STATUS_RESP_CRC_ERR 0x0020
# define STATUS_CRC_READ_ERR 0x0008
# define STATUS_CRC_WRITE_ERR 0x0004
# define STATUS_TIME_OUT_RESP 0x0002
# define STATUS_TIME_OUT_READ 0x0001
# define STATUS_ERR_CMD_MASK (STATUS_RESP_CRC_ERR | STATUS_TIME_OUT_RESP)
# define STATUS_ERR_DATA_MASK (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR | STATUS_TIME_OUT_READ)
# define STATUS_ERR_MASK (STATUS_ERR_CMD_MASK | STATUS_ERR_DATA_MASK)
#define SDHC_CLK_RATE 0x08
#define SDHC_CMD_DAT_CTRL 0x0c /* CMD_DAT_CONT */
# define CMD_DAT_CTRL_CMD_RESUME 0x8000
# define CMD_DAT_CTRL_CMD_RESP_LONG_OFF 0x1000
# define CMD_DAT_CTRL_STOP_READ_WAIT 0x0800
# define CMD_DAT_CTRL_START_READ_WAIT 0x0400
# define CMD_DAT_CTRL_BUS_WIDTH_4 0x0200
# define CMD_DAT_CTRL_INIT 0x0080
# define CMD_DAT_CTRL_WRITE 0x0010
# define CMD_DAT_CTRL_DATA_ENABLE 0x0008
# define CMD_DAT_CTRL_RESP_NONE 0x0000
# define CMD_DAT_CTRL_RESP_R1_R5_R6 0x0001
# define CMD_DAT_CTRL_RESP_R2 0x0002
# define CMD_DAT_CTRL_RESP_R3_R4 0x0003
#define SDHC_RES_TO 0x10
#define SDHC_READ_TO 0x14
# define READ_TO_RECOMMENDED 0x2db4
#define SDHC_BLK_LEN 0x18
#define SDHC_NOB 0x1c
#define SDHC_REV_NO 0x20
#define SDHC_INT_CTRL 0x24 /* INT_CNTR */
# define INT_CTRL_CARD_INSERTION_EN 0x8000
# define INT_CTRL_SDIO_REMOVAL_EN 0x4000
# define INT_CTRL_SDIO_IRQ_EN 0x2000
# define INT_CTRL_DAT0_EN 0x1000
# define INT_CTRL_BUF_READ_EN 0x0010
# define INT_CTRL_BUF_WRITE_EN 0x0008
# define INT_CTRL_END_CMD_RES 0x0004
# define INT_CTRL_WRITE_OP_DONE 0x0002
# define INT_CTRL_READ_OP_DONE 0x0001
# define INT_CTRL_INT_EN_MASK 0xe01f
#define SDHC_CMD 0x28
#define SDHC_ARG 0x2c
#define SDHC_RES_FIFO 0x34
#define SDHC_BUFFER_ACCESS 0x38
#endif /* #ifndef _SLOT_IMX27_H */
|
