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236caa7c MS |
1 | /* |
2 | * Copyright (C) 2008 Marvell Semiconductors, All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #ifndef __MVSDIO_H | |
10 | #define __MVSDIO_H | |
11 | ||
12 | /* | |
13 | * Clock rates | |
14 | */ | |
15 | ||
16 | #define MVSD_CLOCKRATE_MAX 50000000 | |
17 | #define MVSD_BASE_DIV_MAX 0x7ff | |
18 | ||
19 | ||
20 | /* | |
21 | * Register offsets | |
22 | */ | |
23 | ||
24 | #define MVSD_SYS_ADDR_LOW 0x000 | |
25 | #define MVSD_SYS_ADDR_HI 0x004 | |
26 | #define MVSD_BLK_SIZE 0x008 | |
27 | #define MVSD_BLK_COUNT 0x00c | |
28 | #define MVSD_ARG_LOW 0x010 | |
29 | #define MVSD_ARG_HI 0x014 | |
30 | #define MVSD_XFER_MODE 0x018 | |
31 | #define MVSD_CMD 0x01c | |
32 | #define MVSD_RSP(i) (0x020 + ((i)<<2)) | |
33 | #define MVSD_RSP0 0x020 | |
34 | #define MVSD_RSP1 0x024 | |
35 | #define MVSD_RSP2 0x028 | |
36 | #define MVSD_RSP3 0x02c | |
37 | #define MVSD_RSP4 0x030 | |
38 | #define MVSD_RSP5 0x034 | |
39 | #define MVSD_RSP6 0x038 | |
40 | #define MVSD_RSP7 0x03c | |
41 | #define MVSD_FIFO 0x040 | |
42 | #define MVSD_RSP_CRC7 0x044 | |
43 | #define MVSD_HW_STATE 0x048 | |
44 | #define MVSD_HOST_CTRL 0x050 | |
45 | #define MVSD_BLK_GAP_CTRL 0x054 | |
46 | #define MVSD_CLK_CTRL 0x058 | |
47 | #define MVSD_SW_RESET 0x05c | |
48 | #define MVSD_NOR_INTR_STATUS 0x060 | |
49 | #define MVSD_ERR_INTR_STATUS 0x064 | |
50 | #define MVSD_NOR_STATUS_EN 0x068 | |
51 | #define MVSD_ERR_STATUS_EN 0x06c | |
52 | #define MVSD_NOR_INTR_EN 0x070 | |
53 | #define MVSD_ERR_INTR_EN 0x074 | |
54 | #define MVSD_AUTOCMD12_ERR_STATUS 0x078 | |
55 | #define MVSD_CURR_BYTE_LEFT 0x07c | |
56 | #define MVSD_CURR_BLK_LEFT 0x080 | |
57 | #define MVSD_AUTOCMD12_ARG_LOW 0x084 | |
58 | #define MVSD_AUTOCMD12_ARG_HI 0x088 | |
59 | #define MVSD_AUTOCMD12_CMD 0x08c | |
60 | #define MVSD_AUTO_RSP(i) (0x090 + ((i)<<2)) | |
61 | #define MVSD_AUTO_RSP0 0x090 | |
62 | #define MVSD_AUTO_RSP1 0x094 | |
63 | #define MVSD_AUTO_RSP2 0x098 | |
64 | #define MVSD_CLK_DIV 0x128 | |
65 | ||
66 | #define MVSD_WINDOW_CTRL(i) (0x108 + ((i) << 3)) | |
67 | #define MVSD_WINDOW_BASE(i) (0x10c + ((i) << 3)) | |
68 | ||
69 | ||
70 | /* | |
71 | * MVSD_CMD | |
72 | */ | |
73 | ||
74 | #define MVSD_CMD_RSP_NONE (0 << 0) | |
75 | #define MVSD_CMD_RSP_136 (1 << 0) | |
76 | #define MVSD_CMD_RSP_48 (2 << 0) | |
77 | #define MVSD_CMD_RSP_48BUSY (3 << 0) | |
78 | ||
79 | #define MVSD_CMD_CHECK_DATACRC16 (1 << 2) | |
80 | #define MVSD_CMD_CHECK_CMDCRC (1 << 3) | |
81 | #define MVSD_CMD_INDX_CHECK (1 << 4) | |
82 | #define MVSD_CMD_DATA_PRESENT (1 << 5) | |
83 | #define MVSD_UNEXPECTED_RESP (1 << 7) | |
84 | #define MVSD_CMD_INDEX(x) ((x) << 8) | |
85 | ||
86 | ||
87 | /* | |
88 | * MVSD_AUTOCMD12_CMD | |
89 | */ | |
90 | ||
91 | #define MVSD_AUTOCMD12_BUSY (1 << 0) | |
92 | #define MVSD_AUTOCMD12_INDX_CHECK (1 << 1) | |
93 | #define MVSD_AUTOCMD12_INDEX(x) ((x) << 8) | |
94 | ||
95 | /* | |
96 | * MVSD_XFER_MODE | |
97 | */ | |
98 | ||
99 | #define MVSD_XFER_MODE_WR_DATA_START (1 << 0) | |
100 | #define MVSD_XFER_MODE_HW_WR_DATA_EN (1 << 1) | |
101 | #define MVSD_XFER_MODE_AUTO_CMD12 (1 << 2) | |
102 | #define MVSD_XFER_MODE_INT_CHK_EN (1 << 3) | |
103 | #define MVSD_XFER_MODE_TO_HOST (1 << 4) | |
104 | #define MVSD_XFER_MODE_STOP_CLK (1 << 5) | |
105 | #define MVSD_XFER_MODE_PIO (1 << 6) | |
106 | ||
107 | ||
108 | /* | |
109 | * MVSD_HOST_CTRL | |
110 | */ | |
111 | ||
112 | #define MVSD_HOST_CTRL_PUSH_PULL_EN (1 << 0) | |
113 | ||
114 | #define MVSD_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1) | |
115 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1) | |
116 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1) | |
117 | #define MVSD_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1) | |
118 | #define MVSD_HOST_CTRL_CARD_TYPE_MASK (3 << 1) | |
119 | ||
120 | #define MVSD_HOST_CTRL_BIG_ENDIAN (1 << 3) | |
121 | #define MVSD_HOST_CTRL_LSB_FIRST (1 << 4) | |
122 | #define MVSD_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9) | |
123 | #define MVSD_HOST_CTRL_HI_SPEED_EN (1 << 10) | |
124 | ||
125 | #define MVSD_HOST_CTRL_TMOUT_MAX 0xf | |
126 | #define MVSD_HOST_CTRL_TMOUT_MASK (0xf << 11) | |
127 | #define MVSD_HOST_CTRL_TMOUT(x) ((x) << 11) | |
128 | #define MVSD_HOST_CTRL_TMOUT_EN (1 << 15) | |
129 | ||
130 | ||
131 | /* | |
132 | * MVSD_SW_RESET | |
133 | */ | |
134 | ||
135 | #define MVSD_SW_RESET_NOW (1 << 8) | |
136 | ||
137 | ||
138 | /* | |
139 | * Normal interrupt status bits | |
140 | */ | |
141 | ||
142 | #define MVSD_NOR_CMD_DONE (1 << 0) | |
143 | #define MVSD_NOR_XFER_DONE (1 << 1) | |
144 | #define MVSD_NOR_BLK_GAP_EVT (1 << 2) | |
145 | #define MVSD_NOR_DMA_DONE (1 << 3) | |
146 | #define MVSD_NOR_TX_AVAIL (1 << 4) | |
147 | #define MVSD_NOR_RX_READY (1 << 5) | |
148 | #define MVSD_NOR_CARD_INT (1 << 8) | |
149 | #define MVSD_NOR_READ_WAIT_ON (1 << 9) | |
150 | #define MVSD_NOR_RX_FIFO_8W (1 << 10) | |
151 | #define MVSD_NOR_TX_FIFO_8W (1 << 11) | |
152 | #define MVSD_NOR_SUSPEND_ON (1 << 12) | |
153 | #define MVSD_NOR_AUTOCMD12_DONE (1 << 13) | |
154 | #define MVSD_NOR_UNEXP_RSP (1 << 14) | |
155 | #define MVSD_NOR_ERROR (1 << 15) | |
156 | ||
157 | ||
158 | /* | |
159 | * Error status bits | |
160 | */ | |
161 | ||
162 | #define MVSD_ERR_CMD_TIMEOUT (1 << 0) | |
163 | #define MVSD_ERR_CMD_CRC (1 << 1) | |
164 | #define MVSD_ERR_CMD_ENDBIT (1 << 2) | |
165 | #define MVSD_ERR_CMD_INDEX (1 << 3) | |
166 | #define MVSD_ERR_DATA_TIMEOUT (1 << 4) | |
167 | #define MVSD_ERR_DATA_CRC (1 << 5) | |
168 | #define MVSD_ERR_DATA_ENDBIT (1 << 6) | |
169 | #define MVSD_ERR_AUTOCMD12 (1 << 8) | |
170 | #define MVSD_ERR_CMD_STARTBIT (1 << 9) | |
171 | #define MVSD_ERR_XFER_SIZE (1 << 10) | |
172 | #define MVSD_ERR_RESP_T_BIT (1 << 11) | |
173 | #define MVSD_ERR_CRC_ENDBIT (1 << 12) | |
174 | #define MVSD_ERR_CRC_STARTBIT (1 << 13) | |
175 | #define MVSD_ERR_CRC_STATUS (1 << 14) | |
176 | ||
177 | ||
178 | /* | |
179 | * CMD12 error status bits | |
180 | */ | |
181 | ||
182 | #define MVSD_AUTOCMD12_ERR_NOTEXE (1 << 0) | |
183 | #define MVSD_AUTOCMD12_ERR_TIMEOUT (1 << 1) | |
184 | #define MVSD_AUTOCMD12_ERR_CRC (1 << 2) | |
185 | #define MVSD_AUTOCMD12_ERR_ENDBIT (1 << 3) | |
186 | #define MVSD_AUTOCMD12_ERR_INDEX (1 << 4) | |
187 | #define MVSD_AUTOCMD12_ERR_RESP_T_BIT (1 << 5) | |
188 | #define MVSD_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6) | |
189 | ||
190 | #endif |