4 * Copyright (C) 2011 Renesas Solutions Corp.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License.
15 struct sh_mmcif_regs {
16 unsigned long ce_cmd_set;
17 unsigned long reserved;
19 unsigned long ce_arg_cmd12;
20 unsigned long ce_cmd_ctrl;
21 unsigned long ce_block_set;
22 unsigned long ce_clk_ctrl;
23 unsigned long ce_buf_acc;
24 unsigned long ce_resp3;
25 unsigned long ce_resp2;
26 unsigned long ce_resp1;
27 unsigned long ce_resp0;
28 unsigned long ce_resp_cmd12;
29 unsigned long ce_data;
30 unsigned long reserved2[2];
32 unsigned long ce_int_mask;
33 unsigned long ce_host_sts1;
34 unsigned long ce_host_sts2;
35 unsigned long reserved3[11];
36 unsigned long ce_version;
40 #define CMD_MASK 0x3f000000
41 #define CMD_SET_RTYP_NO ((0 << 23) | (0 << 22))
43 #define CMD_SET_RTYP_6B ((0 << 23) | (1 << 22))
45 #define CMD_SET_RTYP_17B ((1 << 23) | (0 << 22))
47 #define CMD_SET_RBSY (1 << 21)
48 #define CMD_SET_CCSEN (1 << 20)
49 /* 1: on data, 0: no data */
50 #define CMD_SET_WDAT (1 << 19)
51 /* 1: write to card, 0: read from card */
52 #define CMD_SET_DWEN (1 << 18)
53 /* 1: multi block trans, 0: single */
54 #define CMD_SET_CMLTE (1 << 17)
55 /* 1: CMD12 auto issue */
56 #define CMD_SET_CMD12EN (1 << 16)
58 #define CMD_SET_RIDXC_INDEX ((0 << 15) | (0 << 14))
59 /* check bits check */
60 #define CMD_SET_RIDXC_BITS ((0 << 15) | (1 << 14))
62 #define CMD_SET_RIDXC_NO ((1 << 15) | (0 << 14))
64 #define CMD_SET_CRC7C ((0 << 13) | (0 << 12))
65 /* 1: check bits check*/
66 #define CMD_SET_CRC7C_BITS ((0 << 13) | (1 << 12))
67 /* 1: internal CRC7 check*/
68 #define CMD_SET_CRC7C_INTERNAL ((1 << 13) | (0 << 12))
70 #define CMD_SET_CRC16C (1 << 10)
71 /* 1: not receive CRC status */
72 #define CMD_SET_CRCSTE (1 << 8)
73 /* 1: tran mission bit "Low" */
74 #define CMD_SET_TBIT (1 << 7)
76 #define CMD_SET_OPDM (1 << 6)
77 #define CMD_SET_CCSH (1 << 5)
79 #define CMD_SET_DATW_1 ((0 << 1) | (0 << 0))
81 #define CMD_SET_DATW_4 ((0 << 1) | (1 << 0))
83 #define CMD_SET_DATW_8 ((1 << 1) | (0 << 0))
86 #define CMD_CTRL_BREAK (1 << 0)
89 #define BLOCK_SIZE_MASK 0x0000ffff
92 #define CLK_ENABLE (1 << 24)
93 #define CLK_CLEAR ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
94 #define CLK_PCLK ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
96 #define SRSPTO_256 ((1 << 13) | (0 << 12))
97 /* respons busy timeout */
98 #define SRBSYTO_29 ((1 << 11) | (1 << 10) | (1 << 9) | (1 << 8))
99 /* read/write timeout */
100 #define SRWDTO_29 ((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4))
102 #define SCCSTO_29 ((1 << 3) | (1 << 2) | (1 << 1) | (1 << 0))
105 #define BUF_ACC_DMAWEN (1 << 25)
106 #define BUF_ACC_DMAREN (1 << 24)
107 #define BUF_ACC_BUSW_32 (0 << 17)
108 #define BUF_ACC_BUSW_16 (1 << 17)
109 #define BUF_ACC_ATYP (1 << 16)
112 #define INT_CCSDE (1 << 29)
113 #define INT_CMD12DRE (1 << 26)
114 #define INT_CMD12RBE (1 << 25)
115 #define INT_CMD12CRE (1 << 24)
116 #define INT_DTRANE (1 << 23)
117 #define INT_BUFRE (1 << 22)
118 #define INT_BUFWEN (1 << 21)
119 #define INT_BUFREN (1 << 20)
120 #define INT_CCSRCV (1 << 19)
121 #define INT_RBSYE (1 << 17)
122 #define INT_CRSPE (1 << 16)
123 #define INT_CMDVIO (1 << 15)
124 #define INT_BUFVIO (1 << 14)
125 #define INT_WDATERR (1 << 11)
126 #define INT_RDATERR (1 << 10)
127 #define INT_RIDXERR (1 << 9)
128 #define INT_RSPERR (1 << 8)
129 #define INT_CCSTO (1 << 5)
130 #define INT_CRCSTO (1 << 4)
131 #define INT_WDATTO (1 << 3)
132 #define INT_RDATTO (1 << 2)
133 #define INT_RBSYTO (1 << 1)
134 #define INT_RSPTO (1 << 0)
135 #define INT_ERR_STS (INT_CMDVIO | INT_BUFVIO | INT_WDATERR | \
136 INT_RDATERR | INT_RIDXERR | INT_RSPERR | \
137 INT_CCSTO | INT_CRCSTO | INT_WDATTO | \
138 INT_RDATTO | INT_RBSYTO | INT_RSPTO)
139 #define INT_START_MAGIC 0xD80430C0
142 #define MASK_ALL 0x00000000
143 #define MASK_MCCSDE (1 << 29)
144 #define MASK_MCMD12DRE (1 << 26)
145 #define MASK_MCMD12RBE (1 << 25)
146 #define MASK_MCMD12CRE (1 << 24)
147 #define MASK_MDTRANE (1 << 23)
148 #define MASK_MBUFRE (1 << 22)
149 #define MASK_MBUFWEN (1 << 21)
150 #define MASK_MBUFREN (1 << 20)
151 #define MASK_MCCSRCV (1 << 19)
152 #define MASK_MRBSYE (1 << 17)
153 #define MASK_MCRSPE (1 << 16)
154 #define MASK_MCMDVIO (1 << 15)
155 #define MASK_MBUFVIO (1 << 14)
156 #define MASK_MWDATERR (1 << 11)
157 #define MASK_MRDATERR (1 << 10)
158 #define MASK_MRIDXERR (1 << 9)
159 #define MASK_MRSPERR (1 << 8)
160 #define MASK_MCCSTO (1 << 5)
161 #define MASK_MCRCSTO (1 << 4)
162 #define MASK_MWDATTO (1 << 3)
163 #define MASK_MRDATTO (1 << 2)
164 #define MASK_MRBSYTO (1 << 1)
165 #define MASK_MRSPTO (1 << 0)
168 #define STS1_CMDSEQ (1 << 31)
171 #define STS2_CRCSTE (1 << 31)
172 #define STS2_CRC16E (1 << 30)
173 #define STS2_AC12CRCE (1 << 29)
174 #define STS2_RSPCRC7E (1 << 28)
175 #define STS2_CRCSTEBE (1 << 27)
176 #define STS2_RDATEBE (1 << 26)
177 #define STS2_AC12REBE (1 << 25)
178 #define STS2_RSPEBE (1 << 24)
179 #define STS2_AC12IDXE (1 << 23)
180 #define STS2_RSPIDXE (1 << 22)
181 #define STS2_CCSTO (1 << 15)
182 #define STS2_RDATTO (1 << 14)
183 #define STS2_DATBSYTO (1 << 13)
184 #define STS2_CRCSTTO (1 << 12)
185 #define STS2_AC12BSYTO (1 << 11)
186 #define STS2_RSPBSYTO (1 << 10)
187 #define STS2_AC12RSPTO (1 << 9)
188 #define STS2_RSPTO (1 << 8)
190 #define STS2_CRC_ERR (STS2_CRCSTE | STS2_CRC16E | \
191 STS2_AC12CRCE | STS2_RSPCRC7E | STS2_CRCSTEBE)
192 #define STS2_TIMEOUT_ERR (STS2_CCSTO | STS2_RDATTO | \
193 STS2_DATBSYTO | STS2_CRCSTTO | \
194 STS2_AC12BSYTO | STS2_RSPBSYTO | \
195 STS2_AC12RSPTO | STS2_RSPTO)
198 #define SOFT_RST_ON (1 << 31)
199 #define SOFT_RST_OFF (0 << 31)
201 #define CLKDEV_EMMC_DATA 52000000 /* 52MHz */
202 #ifdef CONFIG_RMOBILE
203 #define MMC_CLK_DIV_MIN(clk) (clk / (1 << 9))
204 #define MMC_CLK_DIV_MAX(clk) (clk / (1 << 1))
206 #define MMC_CLK_DIV_MIN(clk) (clk / (1 << 8))
207 #define MMC_CLK_DIV_MAX(clk) CLKDEV_EMMC_DATA
210 #define MMC_BUS_WIDTH_1 0
211 #define MMC_BUS_WIDTH_4 2
212 #define MMC_BUS_WIDTH_8 3
214 struct sh_mmcif_host {
215 struct mmc_data *data;
216 struct sh_mmcif_regs *regs;
224 static inline u32 sh_mmcif_read(unsigned long *reg)
229 static inline void sh_mmcif_write(u32 val, unsigned long *reg)
234 static inline void sh_mmcif_bitset(u32 val, unsigned long *reg)
236 sh_mmcif_write(val | sh_mmcif_read(reg), reg);
239 static inline void sh_mmcif_bitclr(u32 val, unsigned long *reg)
241 sh_mmcif_write(~val & sh_mmcif_read(reg), reg);
244 #endif /* _SH_MMCIF_H_ */