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1 /*
2  * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef EMMC_STD_H
8 #define EMMC_STD_H
9 
10 #include "emmc_hal.h"
11 
12 #ifndef FALSE
13 #define FALSE	0U
14 #endif
15 #ifndef TRUE
16 #define TRUE	1U
17 #endif
18 
19 /* 64bit registers */
20 #define SETR_64(r, v)			(*(volatile uint64_t *)(r) = (v))
21 #define GETR_64(r)			(*(volatile uint64_t *)(r))
22 
23 /* 32bit registers */
24 #define SETR_32(r, v)			(*(volatile uint32_t *)(r) = (v))
25 #define GETR_32(r)			(*(volatile uint32_t *)(r))
26 
27 /* 16bit registers */
28 #define SETR_16(r, v)			(*(volatile uint16_t *)(r) = (v))
29 #define GETR_16(r)			(*(volatile uint16_t *)(r))
30 
31 /* 8bit registers */
32 #define SETR_8(r, v)			(*(volatile uint8_t *)(r) = (v))
33 #define GETR_8(r)			(*(volatile uint8_t *)(r))
34 
35 /* CSD register Macros */
36 #define EMMC_GET_CID(x, y)	(emmc_bit_field(mmc_drv_obj.cid_data, (x), (y)))
37 
38 #define EMMC_CID_MID()			(EMMC_GET_CID(127, 120))
39 #define EMMC_CID_CBX()			(EMMC_GET_CID(113, 112))
40 #define EMMC_CID_OID()			(EMMC_GET_CID(111, 104))
41 #define EMMC_CID_PNM1()			(EMMC_GET_CID(103, 88))
42 #define EMMC_CID_PNM2()			(EMMC_GET_CID(87, 56))
43 #define EMMC_CID_PRV()			(EMMC_GET_CID(55, 48))
44 #define EMMC_CID_PSN()			(EMMC_GET_CID(47, 16))
45 #define EMMC_CID_MDT()			(EMMC_GET_CID(15, 8))
46 #define EMMC_CID_CRC()			(EMMC_GET_CID(7, 1))
47 
48 /* CSD register Macros */
49 #define EMMC_GET_CSD(x, y)	(emmc_bit_field(mmc_drv_obj.csd_data, (x), (y)))
50 
51 #define EMMC_CSD_CSD_STRUCTURE()	(EMMC_GET_CSD(127, 126))
52 #define EMMC_CSD_SPEC_VARS()		(EMMC_GET_CSD(125, 122))
53 #define EMMC_CSD_TAAC()			(EMMC_GET_CSD(119, 112))
54 #define EMMC_CSD_NSAC()			(EMMC_GET_CSD(111, 104))
55 #define EMMC_CSD_TRAN_SPEED()		(EMMC_GET_CSD(103, 96))
56 #define EMMC_CSD_CCC()			(EMMC_GET_CSD(95, 84))
57 #define EMMC_CSD_READ_BL_LEN()		(EMMC_GET_CSD(83, 80))
58 #define EMMC_CSD_READ_BL_PARTIAL()	(EMMC_GET_CSD(79, 79))
59 #define EMMC_CSD_WRITE_BLK_MISALIGN()	(EMMC_GET_CSD(78, 78))
60 #define EMMC_CSD_READ_BLK_MISALIGN()	(EMMC_GET_CSD(77, 77))
61 #define EMMC_CSD_DSR_IMP()		(EMMC_GET_CSD(76, 76))
62 #define EMMC_CSD_C_SIZE()		(EMMC_GET_CSD(73, 62))
63 #define EMMC_CSD_VDD_R_CURR_MIN()	(EMMC_GET_CSD(61, 59))
64 #define EMMC_CSD_VDD_R_CURR_MAX()	(EMMC_GET_CSD(58, 56))
65 #define EMMC_CSD_VDD_W_CURR_MIN()	(EMMC_GET_CSD(55, 53))
66 #define EMMC_CSD_VDD_W_CURR_MAX()	(EMMC_GET_CSD(52, 50))
67 #define EMMC_CSD_C_SIZE_MULT()		(EMMC_GET_CSD(49, 47))
68 #define EMMC_CSD_ERASE_GRP_SIZE()	(EMMC_GET_CSD(46, 42))
69 #define EMMC_CSD_ERASE_GRP_MULT()	(EMMC_GET_CSD(41, 37))
70 #define EMMC_CSD_WP_GRP_SIZE()		(EMMC_GET_CSD(36, 32))
71 #define EMMC_CSD_WP_GRP_ENABLE()	(EMMC_GET_CSD(31, 31))
72 #define EMMC_CSD_DEFALT_ECC()		(EMMC_GET_CSD(30, 29))
73 #define EMMC_CSD_R2W_FACTOR()		(EMMC_GET_CSD(28, 26))
74 #define EMMC_CSD_WRITE_BL_LEN()		(EMMC_GET_CSD(25, 22))
75 #define EMMC_CSD_WRITE_BL_PARTIAL()	(EMMC_GET_CSD(21, 21))
76 #define EMMC_CSD_CONTENT_PROT_APP()	(EMMC_GET_CSD(16, 16))
77 #define EMMC_CSD_FILE_FORMAT_GRP()	(EMMC_GET_CSD(15, 15))
78 #define EMMC_CSD_COPY()			(EMMC_GET_CSD(14, 14))
79 #define EMMC_CSD_PERM_WRITE_PROTECT()	(EMMC_GET_CSD(13, 13))
80 #define EMMC_CSD_TMP_WRITE_PROTECT()	(EMMC_GET_CSD(12, 12))
81 #define EMMC_CSD_FILE_FORMAT()		(EMMC_GET_CSD(11, 10))
82 #define EMMC_CSD_ECC()			(EMMC_GET_CSD(9, 8))
83 #define EMMC_CSD_CRC()			(EMMC_GET_CSD(7, 1))
84 
85 /* sector access */
86 #define EMMC_4B_BOUNDARY_CHECK_MASK	0x00000003
87 #define EMMC_SECTOR_SIZE_SHIFT		9U	/* 512 = 2^9 */
88 #define EMMC_SECTOR_SIZE		512
89 #define EMMC_BLOCK_LENGTH		512
90 #define EMMC_BLOCK_LENGTH_DW		128
91 #define EMMC_BUF_SIZE_SHIFT		3U	/* 8byte = 2^3 */
92 
93 /* eMMC specification clock */
94 #define EMMC_CLOCK_SPEC_400K		400000UL	 /* initialize clock 400KHz */
95 #define EMMC_CLOCK_SPEC_20M		20000000UL	 /* normal speed 20MHz */
96 #define EMMC_CLOCK_SPEC_26M		26000000UL	 /* high speed 26MHz */
97 #define EMMC_CLOCK_SPEC_52M		52000000UL	 /* high speed 52MHz */
98 #define EMMC_CLOCK_SPEC_100M		100000000UL	 /* high speed 100MHz */
99 
100 /* EMMC driver error code. (extended HAL_MEMCARD_RETURN) */
101 typedef enum {
102 	EMMC_ERR = 0,				/* unknown error */
103 	EMMC_SUCCESS,				/* OK */
104 	EMMC_ERR_FROM_DMAC,			/* DMAC allocation error */
105 	EMMC_ERR_FROM_DMAC_TRANSFER,		/* DMAC transfer error */
106 	EMMC_ERR_CARD_STATUS_BIT,		/* card status error */
107 	EMMC_ERR_CMD_TIMEOUT,			/* command timeout error */
108 	EMMC_ERR_DATA_TIMEOUT,			/* data timeout error */
109 	EMMC_ERR_CMD_CRC,			/* command CRC error */
110 	EMMC_ERR_DATA_CRC,			/* data CRC error */
111 	EMMC_ERR_PARAM,				/* parameter error */
112 	EMMC_ERR_RESPONSE,			/* response error */
113 	EMMC_ERR_RESPONSE_BUSY,			/* response busy error */
114 	EMMC_ERR_TRANSFER,			/* data transfer error */
115 	EMMC_ERR_READ_SECTOR,			/* read sector error */
116 	EMMC_ERR_WRITE_SECTOR,			/* write sector error */
117 	EMMC_ERR_STATE,				/* state error */
118 	EMMC_ERR_TIMEOUT,			/* timeout error */
119 	EMMC_ERR_ILLEGAL_CARD,			/* illegal card */
120 	EMMC_ERR_CARD_BUSY,			/* Busy state */
121 	EMMC_ERR_CARD_STATE,			/* card state error */
122 	EMMC_ERR_SET_TRACE,			/* trace information error */
123 	EMMC_ERR_FROM_TIMER,			/* Timer error */
124 	EMMC_ERR_FORCE_TERMINATE,		/* Force terminate */
125 	EMMC_ERR_CARD_POWER,			/* card power fail */
126 	EMMC_ERR_ERASE_SECTOR,			/* erase sector error */
127 	EMMC_ERR_INFO2				/* exec cmd error info2 */
128 } EMMC_ERROR_CODE;
129 
130 /* Function number */
131 #define EMMC_FUNCNO_NONE				0U
132 #define EMMC_FUNCNO_DRIVER_INIT				1U
133 #define EMMC_FUNCNO_CARD_POWER_ON			2U
134 #define EMMC_FUNCNO_MOUNT				3U
135 #define EMMC_FUNCNO_CARD_INIT				4U
136 #define EMMC_FUNCNO_HIGH_SPEED				5U
137 #define EMMC_FUNCNO_BUS_WIDTH				6U
138 #define EMMC_FUNCNO_MULTI_BOOT_SELECT_PARTITION		7U
139 #define EMMC_FUNCNO_MULTI_BOOT_READ_SECTOR		8U
140 #define EMMC_FUNCNO_TRANS_DATA_READ_SECTOR		9U
141 #define EMMC_FUNCNO_UBOOT_IMAGE_SELECT_PARTITION	10U
142 #define EMMC_FUNCNO_UBOOT_IMAGE_READ_SECTOR		11U
143 #define EMMC_FUNCNO_SET_CLOCK				12U
144 #define EMMC_FUNCNO_EXEC_CMD				13U
145 #define EMMC_FUNCNO_READ_SECTOR				14U
146 #define EMMC_FUNCNO_WRITE_SECTOR			15U
147 #define EMMC_FUNCNO_ERASE_SECTOR			16U
148 #define EMMC_FUNCNO_GET_PERTITION_ACCESS		17U
149 /*
150  * Response
151  * R1
152  * Type 'E' bit and bit14(must be 0). ignore bit22
153  */
154 #define EMMC_R1_ERROR_MASK			0xFDBFE080U
155 /* Ignore bit23 (Not check CRC error) */
156 #define EMMC_R1_ERROR_MASK_WITHOUT_CRC		(0xFD3FE080U)
157 #define EMMC_R1_STATE_MASK			0x00001E00U	/* [12:9] */
158 #define EMMC_R1_READY				0x00000100U	/* bit8 */
159 #define EMMC_R1_STATE_SHIFT			9
160 
161 /* R4 */
162 #define EMMC_R4_RCA_MASK			0xFFFF0000UL
163 #define EMMC_R4_STATUS				0x00008000UL
164 
165 /* CSD */
166 #define EMMC_TRANSPEED_FREQ_UNIT_MASK		0x07	/* bit[2:0] */
167 #define EMMC_TRANSPEED_FREQ_UNIT_SHIFT		0
168 #define EMMC_TRANSPEED_MULT_MASK		0x78	/* bit[6:3] */
169 #define EMMC_TRANSPEED_MULT_SHIFT		3
170 
171 /* OCR */
172 #define EMMC_HOST_OCR_VALUE			0x40FF8080
173 #define EMMC_OCR_STATUS_BIT			0x80000000L	/* Card power up status bit */
174 #define EMMC_OCR_ACCESS_MODE_MASK		0x60000000L	/* bit[30:29] */
175 #define EMMC_OCR_ACCESS_MODE_SECT		0x40000000L
176 #define EMMC_OCR_ACCESS_MODE_BYTE		0x00000000L
177 
178 /* EXT_CSD */
179 #define EMMC_EXT_CSD_S_CMD_SET				504
180 #define EMMC_EXT_CSD_INI_TIMEOUT_AP			241
181 #define EMMC_EXT_CSD_PWR_CL_DDR_52_360			239
182 #define EMMC_EXT_CSD_PWR_CL_DDR_52_195			238
183 #define EMMC_EXT_CSD_MIN_PERF_DDR_W_8_52		235
184 #define EMMC_EXT_CSD_MIN_PERF_DDR_R_8_52		234
185 #define EMMC_EXT_CSD_TRIM_MULT				232
186 #define EMMC_EXT_CSD_SEC_FEATURE_SUPPORT		231
187 #define EMMC_EXT_CSD_SEC_ERASE_MULT			229
188 #define EMMC_EXT_CSD_BOOT_INFO				228
189 #define EMMC_EXT_CSD_BOOT_SIZE_MULTI			226
190 #define EMMC_EXT_CSD_ACC_SIZE				225
191 #define EMMC_EXT_CSD_HC_ERASE_GRP_SIZE			224
192 #define EMMC_EXT_CSD_ERASE_TIMEOUT_MULT			223
193 #define EMMC_EXT_CSD_PEL_WR_SEC_C			222
194 #define EMMC_EXT_CSD_HC_WP_GRP_SIZE			221
195 #define EMMC_EXT_CSD_S_C_VCC				220
196 #define EMMC_EXT_CSD_S_C_VCCQ				219
197 #define EMMC_EXT_CSD_S_A_TIMEOUT			217
198 #define EMMC_EXT_CSD_SEC_COUNT				215
199 #define EMMC_EXT_CSD_MIN_PERF_W_8_52			210
200 #define EMMC_EXT_CSD_MIN_PERF_R_8_52			209
201 #define EMMC_EXT_CSD_MIN_PERF_W_8_26_4_52		208
202 #define EMMC_EXT_CSD_MIN_PERF_R_8_26_4_52		207
203 #define EMMC_EXT_CSD_MIN_PERF_W_4_26			206
204 #define EMMC_EXT_CSD_MIN_PERF_R_4_26			205
205 #define EMMC_EXT_CSD_PWR_CL_26_360			203
206 #define EMMC_EXT_CSD_PWR_CL_52_360			202
207 #define EMMC_EXT_CSD_PWR_CL_26_195			201
208 #define EMMC_EXT_CSD_PWR_CL_52_195			200
209 #define EMMC_EXT_CSD_CARD_TYPE				196
210 #define EMMC_EXT_CSD_CSD_STRUCTURE			194
211 #define EMMC_EXT_CSD_EXT_CSD_REV			192
212 #define EMMC_EXT_CSD_CMD_SET				191
213 #define EMMC_EXT_CSD_CMD_SET_REV			189
214 #define EMMC_EXT_CSD_POWER_CLASS			187
215 #define EMMC_EXT_CSD_HS_TIMING				185
216 #define EMMC_EXT_CSD_BUS_WIDTH				183
217 #define EMMC_EXT_CSD_ERASED_MEM_CONT			181
218 #define EMMC_EXT_CSD_PARTITION_CONFIG			179
219 #define EMMC_EXT_CSD_BOOT_CONFIG_PROT			178
220 #define EMMC_EXT_CSD_BOOT_BUS_WIDTH			177
221 #define EMMC_EXT_CSD_ERASE_GROUP_DEF			175
222 #define EMMC_EXT_CSD_BOOT_WP				173
223 #define EMMC_EXT_CSD_USER_WP				171
224 #define EMMC_EXT_CSD_FW_CONFIG				169
225 #define EMMC_EXT_CSD_RPMB_SIZE_MULT			168
226 #define EMMC_EXT_CSD_RST_n_FUNCTION			162
227 #define EMMC_EXT_CSD_PARTITIONING_SUPPORT		160
228 #define EMMC_EXT_CSD_MAX_ENH_SIZE_MULT			159
229 #define EMMC_EXT_CSD_PARTITIONS_ATTRIBUTE		156
230 #define EMMC_EXT_CSD_PARTITION_SETTING_COMPLETED	155
231 #define EMMC_EXT_CSD_GP_SIZE_MULT			154
232 #define EMMC_EXT_CSD_ENH_SIZE_MULT			142
233 #define EMMC_EXT_CSD_ENH_START_ADDR			139
234 #define EMMC_EXT_CSD_SEC_BAD_BLK_MGMNT			134
235 
236 #define EMMC_EXT_CSD_CARD_TYPE_26MHZ			0x01
237 #define EMMC_EXT_CSD_CARD_TYPE_52MHZ			0x02
238 #define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_12V		0x04
239 #define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_18V		0x08
240 #define EMMC_EXT_CSD_CARD_TYPE_52MHZ_MASK		0x0e
241 
242 /* SWITCH (CMD6) argument */
243 #define EXTCSD_ACCESS_BYTE	(BIT25 | BIT24)
244 #define EXTCSD_SET_BITS		BIT24
245 
246 #define HS_TIMING_ADD		(185 << 16)	/* H'b9 */
247 #define HS_TIMING_1		(1 << 8)
248 #define HS_TIMING_HS200		(2 << 8)
249 #define HS_TIMING_HS400		(3 << 8)
250 
251 #define BUS_WIDTH_ADD		(183 << 16)	/* H'b7 */
252 #define BUS_WIDTH_1		(0 << 8)
253 #define BUS_WIDTH_4		(1 << 8)
254 #define BUS_WIDTH_8		(2 << 8)
255 #define BUS_WIDTH_4DDR		(5 << 8)
256 #define BUS_WIDTH_8DDR		(6 << 8)
257 
258 #define EMMC_SWITCH_HS_TIMING		(EXTCSD_ACCESS_BYTE | HS_TIMING_ADD |\
259 					 HS_TIMING_1)		/* H'03b90100 */
260 #define EMMC_SWITCH_HS_TIMING_OFF	(EXTCSD_ACCESS_BYTE |\
261 					 HS_TIMING_ADD)		/* H'03b90000 */
262 
263 #define EMMC_SWITCH_BUS_WIDTH_1		(EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\
264 					 BUS_WIDTH_1)		/* H'03b70000 */
265 #define EMMC_SWITCH_BUS_WIDTH_4		(EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\
266 					 BUS_WIDTH_4)		/* H'03b70100 */
267 #define EMMC_SWITCH_BUS_WIDTH_8		(EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\
268 					 BUS_WIDTH_8)		/* H'03b70200 */
269 #define EMMC_SWITCH_BUS_WIDTH_4DDR	(EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\
270 					 BUS_WIDTH_4DDR)	/* H'03b70500 */
271 #define EMMC_SWITCH_BUS_WIDTH_8DDR	(EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\
272 					 BUS_WIDTH_8DDR)	/* H'03b70600 */
273 /* Partition config = 0x00 */
274 #define EMMC_SWITCH_PARTITION_CONFIG	0x03B30000UL
275 
276 #define TIMING_HIGH_SPEED		1UL
277 #define EMMC_BOOT_PARTITION_EN_MASK	0x38U
278 #define EMMC_BOOT_PARTITION_EN_SHIFT	3U
279 
280 /* Bus width */
281 #define EMMC_BUSWIDTH_1BIT		CE_CMD_SET_DATW_1BIT
282 #define EMMC_BUSWIDTH_4BIT		CE_CMD_SET_DATW_4BIT
283 #define EMMC_BUSWIDTH_8BIT		CE_CMD_SET_DATW_8BIT
284 
285 /* for st_mmc_base */
286 #define EMMC_MAX_RESPONSE_LENGTH	17
287 #define EMMC_MAX_CID_LENGTH		16
288 #define EMMC_MAX_CSD_LENGTH		16
289 #define EMMC_MAX_EXT_CSD_LENGTH		512U
290 #define EMMC_RES_REG_ALIGNED		4U
291 #define EMMC_BUF_REG_ALIGNED		8U
292 
293 /* TAAC mask */
294 #define TAAC_TIME_UNIT_MASK		(0x07)
295 #define TAAC_MULTIPLIER_FACTOR_MASK	(0x0F)
296 
297 /* Partition id */
298 typedef enum {
299 	PARTITION_ID_USER = 0x0,	/* User Area */
300 	PARTITION_ID_BOOT_1 = 0x1,	/* boot partition 1 */
301 	PARTITION_ID_BOOT_2 = 0x2,	/* boot partition 2 */
302 	PARTITION_ID_RPMB = 0x3,	/* Replay Protected Memory Block */
303 	PARTITION_ID_GP_1 = 0x4,	/* General Purpose partition 1 */
304 	PARTITION_ID_GP_2 = 0x5,	/* General Purpose partition 2 */
305 	PARTITION_ID_GP_3 = 0x6,	/* General Purpose partition 3 */
306 	PARTITION_ID_GP_4 = 0x7,	/* General Purpose partition 4 */
307 	PARTITION_ID_MASK = 0x7		/* [2:0] */
308 } EMMC_PARTITION_ID;
309 
310 /* card state in R1 response [12:9] */
311 typedef enum {
312 	EMMC_R1_STATE_IDLE = 0,
313 	EMMC_R1_STATE_READY,
314 	EMMC_R1_STATE_IDENT,
315 	EMMC_R1_STATE_STBY,
316 	EMMC_R1_STATE_TRAN,
317 	EMMC_R1_STATE_DATA,
318 	EMMC_R1_STATE_RCV,
319 	EMMC_R1_STATE_PRG,
320 	EMMC_R1_STATE_DIS,
321 	EMMC_R1_STATE_BTST,
322 	EMMC_R1_STATE_SLEP
323 } EMMC_R1_STATE;
324 
325 typedef enum {
326 	ESTATE_BEGIN = 0,
327 	ESTATE_ISSUE_CMD,
328 	ESTATE_NON_RESP_CMD,
329 	ESTATE_RCV_RESP,
330 	ESTATE_RCV_RESPONSE_BUSY,
331 	ESTATE_CHECK_RESPONSE_COMPLETE,
332 	ESTATE_DATA_TRANSFER,
333 	ESTATE_DATA_TRANSFER_COMPLETE,
334 	ESTATE_ACCESS_END,
335 	ESTATE_TRANSFER_ERROR,
336 	ESTATE_ERROR,
337 	ESTATE_END
338 } EMMC_INT_STATE;
339 
340 /* eMMC boot driver error information */
341 typedef struct {
342 	uint16_t num;			/* error no */
343 	uint16_t code;			/* error code */
344 
345 	volatile uint32_t info1;	/* SD_INFO1. (hw dependent) */
346 	volatile uint32_t info2;	/* SD_INFO2. (hw dependent) */
347 	volatile uint32_t status1;	/* SD_ERR_STS1. (hw dependent) */
348 	volatile uint32_t status2;	/* SD_ERR_STS2. (hw dependent) */
349 	volatile uint32_t dm_info1;	/* DM_CM_INFO1. (hw dependent) */
350 	volatile uint32_t dm_info2;	/* DM_CM_INFO2. (hw dependent) */
351 } st_error_info;
352 
353 /* Command information */
354 typedef struct {
355 	HAL_MEMCARD_COMMAND cmd;	/* Command information */
356 	uint32_t arg;			/* argument */
357 	HAL_MEMCARD_OPERATION dir;	/* direction */
358 	uint32_t hw;			/* SD_CMD register value. */
359 } st_command_info;
360 
361 /* MMC driver base */
362 typedef struct {
363 	st_error_info error_info;	/* error information */
364 	st_command_info cmd_info;	/* command information */
365 
366 	/* for data transfer */
367 	uint32_t *buff_address_virtual;		/* Dest or Src buff */
368 	uint32_t *buff_address_physical;	/* Dest or Src buff */
369 	HAL_MEMCARD_DATA_WIDTH bus_width;	/* bus width */
370 
371 	uint32_t trans_size;		/* transfer size for this command */
372 	uint32_t remain_size;		/* remain size for this command */
373 	uint32_t response_length;	/* response length for this command */
374 	uint32_t sector_size;		/* sector_size */
375 
376 	/* clock */
377 	uint32_t base_clock;		/* MMC host controller clock */
378 	/*
379 	 * Max freq (Card Spec)[Hz]. It changes dynamically by CSD and
380 	 * EXT_CSD.
381 	 */
382 	uint32_t max_freq;
383 	/* request freq [Hz] (400K, 26MHz, 52MHz, etc) */
384 	uint32_t request_freq;
385 	/* current MMC clock[Hz] (the closest frequency supported by HW) */
386 	uint32_t current_freq;
387 
388 	/* state flag */
389 	/* presence status of the memory card */
390 	HAL_MEMCARD_PRESENCE_STATUS card_present;
391 
392 	uint32_t card_power_enable;
393 	uint32_t clock_enable;
394 	/* True : initialize complete. */
395 	uint32_t initialize;
396 	/* True : sector access, FALSE : byte access */
397 	uint32_t access_mode;
398 	/* True : mount complete. */
399 	uint32_t mount;
400 	/* True : selected card. */
401 	uint32_t selected;
402 	/* 0: DMA, 1:PIO */
403 	HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode;
404 
405 	/* loaded ISSW image No. ISSW have copy image. */
406 	uint32_t image_num;
407 	/* card state */
408 	EMMC_R1_STATE current_state;
409 	/* True : during command processing */
410 	volatile uint32_t during_cmd_processing;
411 	/* True : during transfer */
412 	volatile uint32_t during_transfer;
413 	/* True : during transfer (DMA) */
414 	volatile uint32_t during_dma_transfer;
415 	/* True : occurred DMAC error */
416 	volatile uint32_t dma_error_flag;
417 	/* force terminate flag */
418 	volatile uint32_t force_terminate;
419 	/* state machine blocking flag : True or False */
420 	volatile uint32_t state_machine_blocking;
421 	/* True : get partition access processing */
422 	volatile uint32_t get_partition_access_flag;
423 
424 	EMMC_PARTITION_ID boot_partition_en;	/* Boot partition */
425 	EMMC_PARTITION_ID partition_access;	/* Current access partition */
426 
427 	/* timeout */
428 	uint32_t hs_timing;
429 
430 	/* read and write data timeout */
431 	uint32_t data_timeout;
432 
433 	/* retry */
434 	uint32_t retries_after_fail;
435 
436 	/* interrupt */
437 	volatile uint32_t int_event1;	/* interrupt SD_INFO1 Event */
438 	volatile uint32_t int_event2;	/* interrupt SD_INFO2 Event */
439 	volatile uint32_t dm_event1;	/* interrupt DM_CM_INFO1 Event */
440 	volatile uint32_t dm_event2;	/* interrupt DM_CM_INFO2 Event */
441 
442 	/* response */
443 	uint32_t *response;		/* buffer ptr for executing command. */
444 	uint32_t r1_card_status;	/* R1 response data */
445 	uint32_t r3_ocr;		/* R3 response data */
446 	uint32_t r4_resp;		/* R4 response data */
447 	uint32_t r5_resp;		/* R5 response data */
448 
449 	/* True : clock mode is low. (MMC clock = Max26MHz) */
450 	uint32_t low_clock_mode_enable;
451 
452 	uint32_t reserved2;
453 	uint32_t reserved3;
454 	uint32_t reserved4;
455 
456 	/* CSD registers (4byte align) */
457 	uint8_t csd_data[EMMC_MAX_CSD_LENGTH]			/* CSD */
458 	    __attribute__ ((aligned(EMMC_RES_REG_ALIGNED)));
459 	/* CID registers (4byte align) */
460 	uint8_t cid_data[EMMC_MAX_CID_LENGTH]			/* CID */
461 	    __attribute__ ((aligned(EMMC_RES_REG_ALIGNED)));
462 	/* EXT CSD registers (8byte align) */
463 	uint8_t ext_csd_data[EMMC_MAX_EXT_CSD_LENGTH]		/* EXT_CSD */
464 	    __attribute__ ((aligned(EMMC_BUF_REG_ALIGNED)));
465 	/* Response registers (4byte align) */
466 	uint8_t response_data[EMMC_MAX_RESPONSE_LENGTH]		/* other response */
467 	    __attribute__ ((aligned(EMMC_RES_REG_ALIGNED)));
468 } st_mmc_base;
469 
470 typedef int (*func) (void);
471 
472 uint32_t emmc_get_csd_time(void);
473 
474 #define MMC_DEBUG
475 #endif /* EMMC_STD_H */
476