sh_mmcif.h
6.5 KB
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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/*
* MMCIF driver.
*
* Copyright (C) 2011 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef _SH_MMCIF_H_
#define _SH_MMCIF_H_
struct sh_mmcif_regs {
unsigned long ce_cmd_set;
unsigned long reserved;
unsigned long ce_arg;
unsigned long ce_arg_cmd12;
unsigned long ce_cmd_ctrl;
unsigned long ce_block_set;
unsigned long ce_clk_ctrl;
unsigned long ce_buf_acc;
unsigned long ce_resp3;
unsigned long ce_resp2;
unsigned long ce_resp1;
unsigned long ce_resp0;
unsigned long ce_resp_cmd12;
unsigned long ce_data;
unsigned long reserved2[2];
unsigned long ce_int;
unsigned long ce_int_mask;
unsigned long ce_host_sts1;
unsigned long ce_host_sts2;
unsigned long reserved3[11];
unsigned long ce_version;
};
/* CE_CMD_SET */
#define CMD_MASK 0x3f000000
#define CMD_SET_RTYP_NO ((0 << 23) | (0 << 22))
/* R1/R1b/R3/R4/R5 */
#define CMD_SET_RTYP_6B ((0 << 23) | (1 << 22))
/* R2 */
#define CMD_SET_RTYP_17B ((1 << 23) | (0 << 22))
/* R1b */
#define CMD_SET_RBSY (1 << 21)
#define CMD_SET_CCSEN (1 << 20)
/* 1: on data, 0: no data */
#define CMD_SET_WDAT (1 << 19)
/* 1: write to card, 0: read from card */
#define CMD_SET_DWEN (1 << 18)
/* 1: multi block trans, 0: single */
#define CMD_SET_CMLTE (1 << 17)
/* 1: CMD12 auto issue */
#define CMD_SET_CMD12EN (1 << 16)
/* index check */
#define CMD_SET_RIDXC_INDEX ((0 << 15) | (0 << 14))
/* check bits check */
#define CMD_SET_RIDXC_BITS ((0 << 15) | (1 << 14))
/* no check */
#define CMD_SET_RIDXC_NO ((1 << 15) | (0 << 14))
/* 1: CRC7 check*/
#define CMD_SET_CRC7C ((0 << 13) | (0 << 12))
/* 1: check bits check*/
#define CMD_SET_CRC7C_BITS ((0 << 13) | (1 << 12))
/* 1: internal CRC7 check*/
#define CMD_SET_CRC7C_INTERNAL ((1 << 13) | (0 << 12))
/* 1: CRC16 check*/
#define CMD_SET_CRC16C (1 << 10)
/* 1: not receive CRC status */
#define CMD_SET_CRCSTE (1 << 8)
/* 1: tran mission bit "Low" */
#define CMD_SET_TBIT (1 << 7)
/* 1: open/drain */
#define CMD_SET_OPDM (1 << 6)
#define CMD_SET_CCSH (1 << 5)
/* 1bit */
#define CMD_SET_DATW_1 ((0 << 1) | (0 << 0))
/* 4bit */
#define CMD_SET_DATW_4 ((0 << 1) | (1 << 0))
/* 8bit */
#define CMD_SET_DATW_8 ((1 << 1) | (0 << 0))
/* CE_CMD_CTRL */
#define CMD_CTRL_BREAK (1 << 0)
/* CE_BLOCK_SET */
#define BLOCK_SIZE_MASK 0x0000ffff
/* CE_CLK_CTRL */
#define CLK_ENABLE (1 << 24)
#define CLK_CLEAR ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
#define CLK_PCLK ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
/* respons timeout */
#define SRSPTO_256 ((1 << 13) | (0 << 12))
/* respons busy timeout */
#define SRBSYTO_29 ((1 << 11) | (1 << 10) | (1 << 9) | (1 << 8))
/* read/write timeout */
#define SRWDTO_29 ((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4))
/* ccs timeout */
#define SCCSTO_29 ((1 << 3) | (1 << 2) | (1 << 1) | (1 << 0))
/* CE_BUF_ACC */
#define BUF_ACC_DMAWEN (1 << 25)
#define BUF_ACC_DMAREN (1 << 24)
#define BUF_ACC_BUSW_32 (0 << 17)
#define BUF_ACC_BUSW_16 (1 << 17)
#define BUF_ACC_ATYP (1 << 16)
/* CE_INT */
#define INT_CCSDE (1 << 29)
#define INT_CMD12DRE (1 << 26)
#define INT_CMD12RBE (1 << 25)
#define INT_CMD12CRE (1 << 24)
#define INT_DTRANE (1 << 23)
#define INT_BUFRE (1 << 22)
#define INT_BUFWEN (1 << 21)
#define INT_BUFREN (1 << 20)
#define INT_CCSRCV (1 << 19)
#define INT_RBSYE (1 << 17)
#define INT_CRSPE (1 << 16)
#define INT_CMDVIO (1 << 15)
#define INT_BUFVIO (1 << 14)
#define INT_WDATERR (1 << 11)
#define INT_RDATERR (1 << 10)
#define INT_RIDXERR (1 << 9)
#define INT_RSPERR (1 << 8)
#define INT_CCSTO (1 << 5)
#define INT_CRCSTO (1 << 4)
#define INT_WDATTO (1 << 3)
#define INT_RDATTO (1 << 2)
#define INT_RBSYTO (1 << 1)
#define INT_RSPTO (1 << 0)
#define INT_ERR_STS (INT_CMDVIO | INT_BUFVIO | INT_WDATERR | \
INT_RDATERR | INT_RIDXERR | INT_RSPERR | \
INT_CCSTO | INT_CRCSTO | INT_WDATTO | \
INT_RDATTO | INT_RBSYTO | INT_RSPTO)
#define INT_START_MAGIC 0xD80430C0
/* CE_INT_MASK */
#define MASK_ALL 0x00000000
#define MASK_MCCSDE (1 << 29)
#define MASK_MCMD12DRE (1 << 26)
#define MASK_MCMD12RBE (1 << 25)
#define MASK_MCMD12CRE (1 << 24)
#define MASK_MDTRANE (1 << 23)
#define MASK_MBUFRE (1 << 22)
#define MASK_MBUFWEN (1 << 21)
#define MASK_MBUFREN (1 << 20)
#define MASK_MCCSRCV (1 << 19)
#define MASK_MRBSYE (1 << 17)
#define MASK_MCRSPE (1 << 16)
#define MASK_MCMDVIO (1 << 15)
#define MASK_MBUFVIO (1 << 14)
#define MASK_MWDATERR (1 << 11)
#define MASK_MRDATERR (1 << 10)
#define MASK_MRIDXERR (1 << 9)
#define MASK_MRSPERR (1 << 8)
#define MASK_MCCSTO (1 << 5)
#define MASK_MCRCSTO (1 << 4)
#define MASK_MWDATTO (1 << 3)
#define MASK_MRDATTO (1 << 2)
#define MASK_MRBSYTO (1 << 1)
#define MASK_MRSPTO (1 << 0)
/* CE_HOST_STS1 */
#define STS1_CMDSEQ (1 << 31)
/* CE_HOST_STS2 */
#define STS2_CRCSTE (1 << 31)
#define STS2_CRC16E (1 << 30)
#define STS2_AC12CRCE (1 << 29)
#define STS2_RSPCRC7E (1 << 28)
#define STS2_CRCSTEBE (1 << 27)
#define STS2_RDATEBE (1 << 26)
#define STS2_AC12REBE (1 << 25)
#define STS2_RSPEBE (1 << 24)
#define STS2_AC12IDXE (1 << 23)
#define STS2_RSPIDXE (1 << 22)
#define STS2_CCSTO (1 << 15)
#define STS2_RDATTO (1 << 14)
#define STS2_DATBSYTO (1 << 13)
#define STS2_CRCSTTO (1 << 12)
#define STS2_AC12BSYTO (1 << 11)
#define STS2_RSPBSYTO (1 << 10)
#define STS2_AC12RSPTO (1 << 9)
#define STS2_RSPTO (1 << 8)
#define STS2_CRC_ERR (STS2_CRCSTE | STS2_CRC16E | \
STS2_AC12CRCE | STS2_RSPCRC7E | STS2_CRCSTEBE)
#define STS2_TIMEOUT_ERR (STS2_CCSTO | STS2_RDATTO | \
STS2_DATBSYTO | STS2_CRCSTTO | \
STS2_AC12BSYTO | STS2_RSPBSYTO | \
STS2_AC12RSPTO | STS2_RSPTO)
/* CE_VERSION */
#define SOFT_RST_ON (1 << 31)
#define SOFT_RST_OFF (0 << 31)
#define CLKDEV_EMMC_DATA 52000000 /* 52MHz */
#ifdef CONFIG_ARCH_RMOBILE
#define MMC_CLK_DIV_MIN(clk) (clk / (1 << 9))
#define MMC_CLK_DIV_MAX(clk) (clk / (1 << 1))
#else
#define MMC_CLK_DIV_MIN(clk) (clk / (1 << 8))
#define MMC_CLK_DIV_MAX(clk) CLKDEV_EMMC_DATA
#endif
#define MMC_BUS_WIDTH_1 0
#define MMC_BUS_WIDTH_4 2
#define MMC_BUS_WIDTH_8 3
struct sh_mmcif_host {
struct mmc_data *data;
struct sh_mmcif_regs *regs;
unsigned int clk;
int bus_width;
u16 wait_int;
u16 sd_error;
u8 last_cmd;
};
static inline u32 sh_mmcif_read(unsigned long *reg)
{
return readl(reg);
}
static inline void sh_mmcif_write(u32 val, unsigned long *reg)
{
writel(val, reg);
}
static inline void sh_mmcif_bitset(u32 val, unsigned long *reg)
{
sh_mmcif_write(val | sh_mmcif_read(reg), reg);
}
static inline void sh_mmcif_bitclr(u32 val, unsigned long *reg)
{
sh_mmcif_write(~val & sh_mmcif_read(reg), reg);
}
#endif /* _SH_MMCIF_H_ */