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af62a557 LW |
1 | /* |
2 | * Copyright 2011, Marvell Semiconductor Inc. | |
3 | * Lei Wen <[email protected]> | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | * | |
23 | * Back ported to the 8xx platform (from the 8260 platform) by | |
24 | * [email protected], 27-Jan-01. | |
25 | */ | |
26 | #ifndef __SDHCI_HW_H | |
27 | #define __SDHCI_HW_H | |
28 | ||
29 | #include <asm/io.h> | |
6cf1b17c LW |
30 | #include <mmc.h> |
31 | ||
af62a557 LW |
32 | /* |
33 | * Controller registers | |
34 | */ | |
35 | ||
36 | #define SDHCI_DMA_ADDRESS 0x00 | |
37 | ||
38 | #define SDHCI_BLOCK_SIZE 0x04 | |
39 | #define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF)) | |
40 | ||
41 | #define SDHCI_BLOCK_COUNT 0x06 | |
42 | ||
43 | #define SDHCI_ARGUMENT 0x08 | |
44 | ||
45 | #define SDHCI_TRANSFER_MODE 0x0C | |
46 | #define SDHCI_TRNS_DMA 0x01 | |
47 | #define SDHCI_TRNS_BLK_CNT_EN 0x02 | |
48 | #define SDHCI_TRNS_ACMD12 0x04 | |
49 | #define SDHCI_TRNS_READ 0x10 | |
50 | #define SDHCI_TRNS_MULTI 0x20 | |
51 | ||
52 | #define SDHCI_COMMAND 0x0E | |
53 | #define SDHCI_CMD_RESP_MASK 0x03 | |
54 | #define SDHCI_CMD_CRC 0x08 | |
55 | #define SDHCI_CMD_INDEX 0x10 | |
56 | #define SDHCI_CMD_DATA 0x20 | |
57 | #define SDHCI_CMD_ABORTCMD 0xC0 | |
58 | ||
59 | #define SDHCI_CMD_RESP_NONE 0x00 | |
60 | #define SDHCI_CMD_RESP_LONG 0x01 | |
61 | #define SDHCI_CMD_RESP_SHORT 0x02 | |
62 | #define SDHCI_CMD_RESP_SHORT_BUSY 0x03 | |
63 | ||
64 | #define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff)) | |
65 | #define SDHCI_GET_CMD(c) ((c>>8) & 0x3f) | |
66 | ||
67 | #define SDHCI_RESPONSE 0x10 | |
68 | ||
69 | #define SDHCI_BUFFER 0x20 | |
70 | ||
71 | #define SDHCI_PRESENT_STATE 0x24 | |
72 | #define SDHCI_CMD_INHIBIT 0x00000001 | |
73 | #define SDHCI_DATA_INHIBIT 0x00000002 | |
74 | #define SDHCI_DOING_WRITE 0x00000100 | |
75 | #define SDHCI_DOING_READ 0x00000200 | |
76 | #define SDHCI_SPACE_AVAILABLE 0x00000400 | |
77 | #define SDHCI_DATA_AVAILABLE 0x00000800 | |
78 | #define SDHCI_CARD_PRESENT 0x00010000 | |
470dcc75 JH |
79 | #define SDHCI_CARD_STATE_STABLE 0x00020000 |
80 | #define SDHCI_CARD_DETECT_PIN_LEVEL 0x00040000 | |
af62a557 LW |
81 | #define SDHCI_WRITE_PROTECT 0x00080000 |
82 | ||
83 | #define SDHCI_HOST_CONTROL 0x28 | |
84 | #define SDHCI_CTRL_LED 0x01 | |
85 | #define SDHCI_CTRL_4BITBUS 0x02 | |
86 | #define SDHCI_CTRL_HISPD 0x04 | |
87 | #define SDHCI_CTRL_DMA_MASK 0x18 | |
88 | #define SDHCI_CTRL_SDMA 0x00 | |
89 | #define SDHCI_CTRL_ADMA1 0x08 | |
90 | #define SDHCI_CTRL_ADMA32 0x10 | |
91 | #define SDHCI_CTRL_ADMA64 0x18 | |
470dcc75 JH |
92 | #define SDHCI_CTRL_8BITBUS 0x20 |
93 | #define SDHCI_CTRL_CD_TEST_INS 0x40 | |
94 | #define SDHCI_CTRL_CD_TEST 0x80 | |
af62a557 LW |
95 | |
96 | #define SDHCI_POWER_CONTROL 0x29 | |
97 | #define SDHCI_POWER_ON 0x01 | |
98 | #define SDHCI_POWER_180 0x0A | |
99 | #define SDHCI_POWER_300 0x0C | |
100 | #define SDHCI_POWER_330 0x0E | |
101 | ||
102 | #define SDHCI_BLOCK_GAP_CONTROL 0x2A | |
103 | ||
104 | #define SDHCI_WAKE_UP_CONTROL 0x2B | |
105 | #define SDHCI_WAKE_ON_INT 0x01 | |
106 | #define SDHCI_WAKE_ON_INSERT 0x02 | |
107 | #define SDHCI_WAKE_ON_REMOVE 0x04 | |
108 | ||
109 | #define SDHCI_CLOCK_CONTROL 0x2C | |
110 | #define SDHCI_DIVIDER_SHIFT 8 | |
111 | #define SDHCI_DIVIDER_HI_SHIFT 6 | |
112 | #define SDHCI_DIV_MASK 0xFF | |
113 | #define SDHCI_DIV_MASK_LEN 8 | |
114 | #define SDHCI_DIV_HI_MASK 0x300 | |
115 | #define SDHCI_CLOCK_CARD_EN 0x0004 | |
116 | #define SDHCI_CLOCK_INT_STABLE 0x0002 | |
117 | #define SDHCI_CLOCK_INT_EN 0x0001 | |
118 | ||
119 | #define SDHCI_TIMEOUT_CONTROL 0x2E | |
120 | ||
121 | #define SDHCI_SOFTWARE_RESET 0x2F | |
122 | #define SDHCI_RESET_ALL 0x01 | |
123 | #define SDHCI_RESET_CMD 0x02 | |
124 | #define SDHCI_RESET_DATA 0x04 | |
125 | ||
126 | #define SDHCI_INT_STATUS 0x30 | |
127 | #define SDHCI_INT_ENABLE 0x34 | |
128 | #define SDHCI_SIGNAL_ENABLE 0x38 | |
129 | #define SDHCI_INT_RESPONSE 0x00000001 | |
130 | #define SDHCI_INT_DATA_END 0x00000002 | |
131 | #define SDHCI_INT_DMA_END 0x00000008 | |
132 | #define SDHCI_INT_SPACE_AVAIL 0x00000010 | |
133 | #define SDHCI_INT_DATA_AVAIL 0x00000020 | |
134 | #define SDHCI_INT_CARD_INSERT 0x00000040 | |
135 | #define SDHCI_INT_CARD_REMOVE 0x00000080 | |
136 | #define SDHCI_INT_CARD_INT 0x00000100 | |
137 | #define SDHCI_INT_ERROR 0x00008000 | |
138 | #define SDHCI_INT_TIMEOUT 0x00010000 | |
139 | #define SDHCI_INT_CRC 0x00020000 | |
140 | #define SDHCI_INT_END_BIT 0x00040000 | |
141 | #define SDHCI_INT_INDEX 0x00080000 | |
142 | #define SDHCI_INT_DATA_TIMEOUT 0x00100000 | |
143 | #define SDHCI_INT_DATA_CRC 0x00200000 | |
144 | #define SDHCI_INT_DATA_END_BIT 0x00400000 | |
145 | #define SDHCI_INT_BUS_POWER 0x00800000 | |
146 | #define SDHCI_INT_ACMD12ERR 0x01000000 | |
147 | #define SDHCI_INT_ADMA_ERROR 0x02000000 | |
148 | ||
149 | #define SDHCI_INT_NORMAL_MASK 0x00007FFF | |
150 | #define SDHCI_INT_ERROR_MASK 0xFFFF8000 | |
151 | ||
152 | #define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \ | |
153 | SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX) | |
154 | #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \ | |
155 | SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ | |
156 | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ | |
157 | SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR) | |
158 | #define SDHCI_INT_ALL_MASK ((unsigned int)-1) | |
159 | ||
160 | #define SDHCI_ACMD12_ERR 0x3C | |
161 | ||
162 | /* 3E-3F reserved */ | |
163 | ||
164 | #define SDHCI_CAPABILITIES 0x40 | |
165 | #define SDHCI_TIMEOUT_CLK_MASK 0x0000003F | |
166 | #define SDHCI_TIMEOUT_CLK_SHIFT 0 | |
167 | #define SDHCI_TIMEOUT_CLK_UNIT 0x00000080 | |
168 | #define SDHCI_CLOCK_BASE_MASK 0x00003F00 | |
169 | #define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00 | |
170 | #define SDHCI_CLOCK_BASE_SHIFT 8 | |
171 | #define SDHCI_MAX_BLOCK_MASK 0x00030000 | |
172 | #define SDHCI_MAX_BLOCK_SHIFT 16 | |
173 | #define SDHCI_CAN_DO_8BIT 0x00040000 | |
174 | #define SDHCI_CAN_DO_ADMA2 0x00080000 | |
175 | #define SDHCI_CAN_DO_ADMA1 0x00100000 | |
176 | #define SDHCI_CAN_DO_HISPD 0x00200000 | |
177 | #define SDHCI_CAN_DO_SDMA 0x00400000 | |
178 | #define SDHCI_CAN_VDD_330 0x01000000 | |
179 | #define SDHCI_CAN_VDD_300 0x02000000 | |
180 | #define SDHCI_CAN_VDD_180 0x04000000 | |
181 | #define SDHCI_CAN_64BIT 0x10000000 | |
182 | ||
183 | #define SDHCI_CAPABILITIES_1 0x44 | |
184 | ||
185 | #define SDHCI_MAX_CURRENT 0x48 | |
186 | ||
187 | /* 4C-4F reserved for more max current */ | |
188 | ||
189 | #define SDHCI_SET_ACMD12_ERROR 0x50 | |
190 | #define SDHCI_SET_INT_ERROR 0x52 | |
191 | ||
192 | #define SDHCI_ADMA_ERROR 0x54 | |
193 | ||
194 | /* 55-57 reserved */ | |
195 | ||
196 | #define SDHCI_ADMA_ADDRESS 0x58 | |
197 | ||
198 | /* 60-FB reserved */ | |
199 | ||
200 | #define SDHCI_SLOT_INT_STATUS 0xFC | |
201 | ||
202 | #define SDHCI_HOST_VERSION 0xFE | |
203 | #define SDHCI_VENDOR_VER_MASK 0xFF00 | |
204 | #define SDHCI_VENDOR_VER_SHIFT 8 | |
205 | #define SDHCI_SPEC_VER_MASK 0x00FF | |
206 | #define SDHCI_SPEC_VER_SHIFT 0 | |
207 | #define SDHCI_SPEC_100 0 | |
208 | #define SDHCI_SPEC_200 1 | |
209 | #define SDHCI_SPEC_300 2 | |
210 | ||
211 | /* | |
212 | * End of controller registers. | |
213 | */ | |
214 | ||
215 | #define SDHCI_MAX_DIV_SPEC_200 256 | |
216 | #define SDHCI_MAX_DIV_SPEC_300 2046 | |
217 | ||
218 | /* | |
219 | * quirks | |
220 | */ | |
221 | #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0) | |
5af9a569 | 222 | #define SDHCI_QUIRK_REG32_RW (1 << 1) |
3a638320 | 223 | #define SDHCI_QUIRK_BROKEN_R1B (1 << 2) |
236bfecf JC |
224 | #define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3) |
225 | #define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4) | |
470dcc75 | 226 | #define SDHCI_QUIRK_NO_CD (1 << 5) |
13243f2e | 227 | #define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6) |
688c2d14 | 228 | #define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7) |
af62a557 | 229 | |
0d2f15f9 LW |
230 | /* to make gcc happy */ |
231 | struct sdhci_host; | |
232 | ||
af62a557 LW |
233 | /* |
234 | * Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2. | |
235 | */ | |
236 | #define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024) | |
237 | #define SDHCI_DEFAULT_BOUNDARY_ARG (7) | |
238 | struct sdhci_ops { | |
239 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS | |
240 | u32 (*read_l)(struct sdhci_host *host, int reg); | |
241 | u16 (*read_w)(struct sdhci_host *host, int reg); | |
242 | u8 (*read_b)(struct sdhci_host *host, int reg); | |
243 | void (*write_l)(struct sdhci_host *host, u32 val, int reg); | |
244 | void (*write_w)(struct sdhci_host *host, u16 val, int reg); | |
245 | void (*write_b)(struct sdhci_host *host, u8 val, int reg); | |
246 | #endif | |
247 | }; | |
248 | ||
249 | struct sdhci_host { | |
250 | char *name; | |
251 | void *ioaddr; | |
252 | unsigned int quirks; | |
236bfecf | 253 | unsigned int host_caps; |
af62a557 LW |
254 | unsigned int version; |
255 | unsigned int clock; | |
6cf1b17c | 256 | struct mmc *mmc; |
af62a557 | 257 | const struct sdhci_ops *ops; |
b09ed6e4 | 258 | int index; |
236bfecf JC |
259 | |
260 | void (*set_control_reg)(struct sdhci_host *host); | |
b09ed6e4 | 261 | void (*set_clock)(int dev_index, unsigned int div); |
236bfecf | 262 | uint voltages; |
af62a557 LW |
263 | }; |
264 | ||
265 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS | |
266 | ||
267 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
268 | { | |
269 | if (unlikely(host->ops->write_l)) | |
270 | host->ops->write_l(host, val, reg); | |
271 | else | |
272 | writel(val, host->ioaddr + reg); | |
273 | } | |
274 | ||
275 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
276 | { | |
277 | if (unlikely(host->ops->write_w)) | |
278 | host->ops->write_w(host, val, reg); | |
279 | else | |
280 | writew(val, host->ioaddr + reg); | |
281 | } | |
282 | ||
283 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
284 | { | |
285 | if (unlikely(host->ops->write_b)) | |
286 | host->ops->write_b(host, val, reg); | |
287 | else | |
288 | writeb(val, host->ioaddr + reg); | |
289 | } | |
290 | ||
291 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
292 | { | |
293 | if (unlikely(host->ops->read_l)) | |
294 | return host->ops->read_l(host, reg); | |
295 | else | |
296 | return readl(host->ioaddr + reg); | |
297 | } | |
298 | ||
299 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
300 | { | |
301 | if (unlikely(host->ops->read_w)) | |
302 | return host->ops->read_w(host, reg); | |
303 | else | |
304 | return readw(host->ioaddr + reg); | |
305 | } | |
306 | ||
307 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
308 | { | |
309 | if (unlikely(host->ops->read_b)) | |
310 | return host->ops->read_b(host, reg); | |
311 | else | |
312 | return readb(host->ioaddr + reg); | |
313 | } | |
314 | ||
315 | #else | |
316 | ||
317 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
318 | { | |
319 | writel(val, host->ioaddr + reg); | |
320 | } | |
321 | ||
322 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
323 | { | |
324 | writew(val, host->ioaddr + reg); | |
325 | } | |
326 | ||
327 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
328 | { | |
329 | writeb(val, host->ioaddr + reg); | |
330 | } | |
331 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
332 | { | |
333 | return readl(host->ioaddr + reg); | |
334 | } | |
335 | ||
336 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
337 | { | |
338 | return readw(host->ioaddr + reg); | |
339 | } | |
340 | ||
341 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
342 | { | |
343 | return readb(host->ioaddr + reg); | |
344 | } | |
345 | #endif | |
346 | ||
347 | int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk); | |
348 | #endif /* __SDHCI_HW_H */ |