1 /*
2  * Copyright (c) 2016 - 2020, Broadcom
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef	CSL_SD_PROT_H
8 #define	CSL_SD_PROT_H
9 
10 #define SD_CARD_UNKNOWN		0	/* bad type or unrecognized */
11 #define SD_CARD_SD		1	/* IO only card */
12 #define SD_CARD_SDIO		2	/* memory only card */
13 #define SD_CARD_COMBO		3	/* IO and memory combo card */
14 #define SD_CARD_MMC		4	/* memory only card */
15 #define SD_CARD_CEATA		5	/* IO and memory combo card */
16 
17 #define SD_IO_FIXED_ADDRESS	0	/* fix Address */
18 #define SD_IO_INCREMENT_ADDRESS	1
19 
20 #define SD_HIGH_CAPACITY_CARD	0x40000000
21 
22 #define MMC_CMD_IDLE_RESET_ARG	0xF0F0F0F0
23 
24 /* Supported operating voltages are 3.2-3.3 and 3.3-3.4 */
25 #define MMC_OCR_OP_VOLT			0x00300000
26 /* Enable sector access mode */
27 #define MMC_OCR_SECTOR_ACCESS_MODE	0x40000000
28 
29 /* command index */
30 #define SD_CMD_GO_IDLE_STATE		0	/* mandatory for SDIO */
31 #define SD_CMD_SEND_OPCOND		1
32 #define SD_CMD_ALL_SEND_CID		2
33 #define SD_CMD_MMC_SET_RCA		3
34 #define SD_CMD_MMC_SET_DSR		4
35 #define SD_CMD_IO_SEND_OP_COND		5	/* mandatory for SDIO */
36 #define SD_ACMD_SET_BUS_WIDTH		6
37 #define SD_CMD_SWITCH_FUNC		6
38 #define SD_CMD_SELECT_DESELECT_CARD	7
39 #define SD_CMD_READ_EXT_CSD		8
40 #define SD_CMD_SEND_CSD			9
41 #define SD_CMD_SEND_CID			10
42 #define SD_CMD_STOP_TRANSMISSION	12
43 #define SD_CMD_SEND_STATUS		13
44 #define SD_ACMD_SD_STATUS		13
45 #define SD_CMD_GO_INACTIVE_STATE	15
46 #define SD_CMD_SET_BLOCKLEN		16
47 #define SD_CMD_READ_SINGLE_BLOCK	17
48 #define SD_CMD_READ_MULTIPLE_BLOCK	18
49 #define SD_CMD_WRITE_BLOCK		24
50 #define SD_CMD_WRITE_MULTIPLE_BLOCK	25
51 #define SD_CMD_PROGRAM_CSD		27
52 #define SD_CMD_SET_WRITE_PROT		28
53 #define SD_CMD_CLR_WRITE_PROT		29
54 #define SD_CMD_SEND_WRITE_PROT		30
55 #define SD_CMD_ERASE_WR_BLK_START	32
56 #define SD_CMD_ERASE_WR_BLK_END		33
57 #define SD_CMD_ERASE_GROUP_START	35
58 #define SD_CMD_ERASE_GROUP_END		36
59 #define SD_CMD_ERASE			38
60 #define SD_CMD_LOCK_UNLOCK		42
61 #define SD_CMD_IO_RW_DIRECT		52	/* mandatory for SDIO */
62 #define SD_CMD_IO_RW_EXTENDED		53	/* mandatory for SDIO */
63 #define SD_CMD_APP_CMD			55
64 #define SD_CMD_GEN_CMD			56
65 #define SD_CMD_READ_OCR			58
66 #define SD_CMD_CRC_ON_OFF		59	/* mandatory for SDIO */
67 #define SD_ACMD_SEND_NUM_WR_BLOCKS	22
68 #define SD_ACMD_SET_WR_BLOCK_ERASE_CNT	23
69 #define SD_ACMD_SD_SEND_OP_COND		41
70 #define SD_ACMD_SET_CLR_CARD_DETECT	42
71 #define SD_ACMD_SEND_SCR		51
72 
73 /* response parameters */
74 #define SD_RSP_NO_NONE	0
75 #define SD_RSP_NO_1	1
76 #define SD_RSP_NO_2	2
77 #define SD_RSP_NO_3	3
78 #define SD_RSP_NO_4	4
79 #define SD_RSP_NO_5	5
80 #define SD_RSP_NO_6	6
81 
82 /* Modified R6 response (to CMD3) */
83 #define SD_RSP_MR6_COM_CRC_ERROR	0x8000
84 #define SD_RSP_MR6_ILLEGAL_COMMAND	0x4000
85 #define SD_RSP_MR6_ERROR		0x2000
86 
87 /* Modified R1 in R4 Response (to CMD5) */
88 #define SD_RSP_MR1_SBIT			0x80
89 #define SD_RSP_MR1_PARAMETER_ERROR	0x40
90 #define SD_RSP_MR1_RFU5			0x20
91 #define SD_RSP_MR1_FUNC_NUM_ERROR	0x10
92 #define SD_RSP_MR1_COM_CRC_ERROR	0x80
93 #define SD_RSP_MR1_ILLEGAL_COMMAND	0x40
94 #define SD_RSP_MR1_RFU1			0x20
95 #define SD_RSP_MR1_IDLE_STATE		0x01
96 
97 /* R5 response (to CMD52 and CMD53) */
98 #define SD_RSP_R5_COM_CRC_ERROR		0x80
99 #define SD_RSP_R5_ILLEGAL_COMMAND	0x40
100 #define SD_RSP_R5_IO_CURRENTSTATE1	0x20
101 #define SD_RSP_R5_IO_CURRENTSTATE0	0x10
102 #define SD_RSP_R5_ERROR			0x80
103 #define SD_RSP_R5_RFU			0x40
104 #define SD_RSP_R5_FUNC_NUM_ERROR	0x20
105 #define SD_RSP_R5_OUT_OF_RANGE		0x01
106 
107 /* argument for SD_CMD_IO_RW_DIRECT and SD_CMD_IO_RW_EXTENDED */
108 #define SD_OP_READ			0 /* Read_Write */
109 #define SD_OP_WRITE			1 /* Read_Write */
110 
111 #define SD_RW_NORMAL			0 /* no RAW */
112 #define SD_RW_RAW			1 /* RAW */
113 
114 #define SD_BYTE_MODE			0 /* Byte Mode */
115 #define SD_BLOCK_MODE			1 /* BlockMode */
116 
117 #define SD_FIXED_ADDRESS		0 /* fix Address */
118 #define SD_INCREMENT_ADDRESS		1 /* IncrementAddress */
119 
120 #define SD_CMD5_ARG_IO_OCR_MASK		0x00FFFFFF
121 #define SD_CMD5_ARG_IO_OCR_SHIFT	0
122 #define SD_CMD55_ARG_RCA_SHIFT		16
123 #define SD_CMD59_ARG_CRC_OPTION_MASK	0x01
124 #define SD_CMD59_ARG_CRC_OPTION_SHIFT	0
125 
126 /* SD_CMD_IO_RW_DIRECT Argument */
127 #define SdioIoRWDirectArg(rw, raw, func, addr, data) \
128 		(((rw & 1) << 31) | ((func & 0x7) << 28) | \
129 		((raw & 1) << 27) | ((addr & 0x1FFFF) << 9) | \
130 		(data & 0xFF))
131 
132 /* build SD_CMD_IO_RW_EXTENDED Argument */
133 #define SdioIoRWExtArg(rw, blk, func, addr, inc_addr, count) \
134 		(((rw & 1) << 31) | ((func & 0x7) << 28) | \
135 		((blk & 1) << 27) | ((inc_addr & 1) << 26) | \
136 		((addr & 0x1FFFF) << 9) | (count & 0x1FF))
137 
138 /*
139  * The Common I/O area shall be implemented on all SDIO cards and
140  * is accessed the the host via I/O reads and writes to function 0,
141  * the registers within the CIA are provided to enable/disable
142  * the operationo fthe i/o funciton.
143  */
144 
145 /* cccr_sdio_rev */
146 #define SDIO_REV_SDIOID_MASK		0xf0 /* SDIO spec revision number */
147 #define SDIO_REV_CCCRID_MASK		0x0f /* CCCR format version number */
148 
149 /* sd_rev */
150 #define SDIO_REV_PHY_MASK	    0x0f /* SD format version number */
151 #define SDIO_FUNC_ENABLE_1	    0x02 /* function 1 I/O enable */
152 #define SDIO_FUNC_READY_1	    0x02 /* function 1 I/O ready */
153 #define SDIO_INTR_CTL_FUNC1_EN	    0x2  /* interrupt enable for function 1 */
154 #define SDIO_INTR_CTL_MASTER_EN	    0x1  /* interrupt enable master */
155 #define SDIO_INTR_STATUS_FUNC1	    0x2  /* interrupt pending for function 1 */
156 #define SDIO_IO_ABORT_RESET_ALL	    0x08 /* I/O card reset */
157 #define SDIO_IO_ABORT_FUNC_MASK	    0x07 /* abort selection: function x */
158 #define SDIO_BUS_CARD_DETECT_DIS    0x80 /* Card Detect disable */
159 #define SDIO_BUS_SPI_CONT_INTR_CAP  0x40 /* support continuous SPI interrupt */
160 #define SDIO_BUS_SPI_CONT_INTR_EN   0x20 /* continuous SPI interrupt enable */
161 #define SDIO_BUS_DATA_WIDTH_MASK    0x03 /* bus width mask */
162 #define SDIO_BUS_DATA_WIDTH_4BIT    0x02 /* bus width 4-bit mode */
163 #define SDIO_BUS_DATA_WIDTH_1BIT    0x00 /* bus width 1-bit mode */
164 
165 /* capability */
166 #define SDIO_CAP_4BLS  0x80 /* 4-bit support for low speed card */
167 #define SDIO_CAP_LSC   0x40 /* low speed card */
168 #define SDIO_CAP_E4MI  0x20 /* enable int between block in 4-bit mode */
169 #define SDIO_CAP_S4MI  0x10 /* support int between block in 4-bit mode */
170 #define SDIO_CAP_SBS   0x08 /* support suspend/resume */
171 #define SDIO_CAP_SRW   0x04 /* support read wait */
172 #define SDIO_CAP_SMB   0x02 /* support multi-block transfer */
173 #define SDIO_CAP_SDC   0x01 /* Support Direct cmd during multi-uint8 transfer */
174 
175 /* CIA FBR1 registers */
176 #define SDIO_FUNC1_INFO           0x100 /* basic info for function 1 */
177 #define SDIO_FUNC1_EXT            0x101 /* extension of standard I/O device */
178 #define SDIO_CIS_FUNC1_BASE_LOW   0x109 /* function 1 cis address bit 0-7 */
179 #define SDIO_CIS_FUNC1_BASE_MID   0x10A /* function 1 cis address bit 8-15 */
180 #define SDIO_CIS_FUNC1_BASE_HIGH  0x10B /* function 1 cis address bit 16 */
181 #define SDIO_CSA_BASE_LOW         0x10C /* CSA base address uint8_t 0 */
182 #define SDIO_CSA_BASE_MID         0x10D /* CSA base address uint8_t 1 */
183 #define SDIO_CSA_BASE_HIGH        0x10E /* CSA base address uint8_t 2 */
184 #define SDIO_CSA_DATA_OFFSET      0x10F /* CSA data register */
185 #define SDIO_IO_BLK_SIZE_LOW      0x110 /* I/O block size uint8_t 0 */
186 #define SDIO_IO_BLK_SIZE_HIGH     0x111 /* I/O block size uint8_t 1 */
187 
188 /* SD_SDIO_FUNC1_INFO bits */
189 #define SDIO_FUNC1_INFO_DIC     0x0f	/* device interface code */
190 #define SDIO_FUNC1_INFO_CSA     0x40	/* CSA support flag */
191 #define SDIO_FUNC1_INFO_CSA_EN  0x80	/* CSA enabled */
192 
193 /* SD_SDIO_FUNC1_EXT bits */
194 #define SDIO_FUNC1_EXT_SHP		0x03	/* support high power */
195 #define SDIO_FUNC1_EXT_EHP		0x04	/* enable high power */
196 
197 /* devctr */
198 /* I/O device interface code */
199 #define SDIO_DEVCTR_DEVINTER		0x0f
200 /* support CSA */
201 #define SDIO_DEVCTR_CSA_SUP		0x40
202 /* enable CSA */
203 #define SDIO_DEVCTR_CSA_EN		0x80
204 
205 /* ext_dev */
206 /* supports high-power mask */
207 #define SDIO_HIGHPWR_SUPPORT_M		0x3
208 /* enable high power */
209 #define SDIO_HIGHPWR_EN			0x4
210 /* standard power function(up to 200mA */
211 #define SDIO_HP_STD			0
212 /* need high power to operate */
213 #define SDIO_HP_REQUIRED		0x2
214 /* can work with standard power, but prefer high power */
215 #define SDIO_HP_DESIRED			0x3
216 
217 /* misc define */
218 /* macro to calculate fbr register base */
219 #define FBR_REG_BASE(n)			(n*0x100)
220 #define SDIO_FUNC_0			0
221 #define SDIO_FUNC_1			1
222 #define SDIO_FUNC_2			2
223 #define SDIO_FUNC_3			3
224 #define SDIO_FUNC_4			4
225 #define SDIO_FUNC_5			5
226 #define SDIO_FUNC_6			6
227 #define SDIO_FUNC_7			7
228 
229 /* maximum block size for block mode operation */
230 #define SDIO_MAX_BLOCK_SIZE		2048
231 /* minimum block size for block mode operation */
232 #define SDIO_MIN_BLOCK_SIZE		1
233 
234 /* Card registers: status bit position */
235 #define SDIO_STATUS_OUTOFRANGE		31
236 #define SDIO_STATUS_COMCRCERROR		23
237 #define SDIO_STATUS_ILLEGALCOMMAND	22
238 #define SDIO_STATUS_ERROR		19
239 #define SDIO_STATUS_IOCURRENTSTATE3	12
240 #define SDIO_STATUS_IOCURRENTSTATE2	11
241 #define SDIO_STATUS_IOCURRENTSTATE1	10
242 #define SDIO_STATUS_IOCURRENTSTATE0	9
243 #define SDIO_STATUS_FUN_NUM_ERROR	4
244 
245 #define GET_SDIOCARD_STATUS(x)		((x >> 9) & 0x0f)
246 #define SDIO_STATUS_STATE_IDLE		0
247 #define SDIO_STATUS_STATE_READY		1
248 #define SDIO_STATUS_STATE_IDENT		2
249 #define SDIO_STATUS_STATE_STBY		3
250 #define SDIO_STATUS_STATE_TRAN		4
251 #define SDIO_STATUS_STATE_DATA		5
252 #define SDIO_STATUS_STATE_RCV		6
253 #define SDIO_STATUS_STATE_PRG		7
254 #define SDIO_STATUS_STATE_DIS		8
255 
256 /* sprom */
257 #define SBSDIO_SPROM_CS        0x10000	/* command and status */
258 #define SBSDIO_SPROM_INFO      0x10001	/* info register */
259 #define SBSDIO_SPROM_DATA_LOW  0x10002	/* indirect access data uint8_t 0 */
260 #define SBSDIO_SPROM_DATA_HIGH 0x10003	/* indirect access data uint8_t 1 */
261 #define SBSDIO_SPROM_ADDR_LOW  0x10004	/* indirect access addr uint8_t 0 */
262 #define SBSDIO_SPROM_ADDR_HIGH 0x10005	/* indirect access addr uint8_t 0 */
263 #define SBSDIO_CHIP_CTRL_DATA  0x10006	/* xtal_pu data output */
264 #define SBSDIO_CHIP_CTRL_EN    0x10007	/* xtal_pu enable */
265 #define SBSDIO_WATERMARK       0x10008	/* retired in rev 7 */
266 #define SBSDIO_DEVICE_CTL      0x10009	/* control busy signal generation */
267 
268 #define SBSDIO_SPROM_IDLE      0
269 #define SBSDIO_SPROM_WRITE     1
270 #define SBSDIO_SPROM_READ      2
271 #define SBSDIO_SPROM_WEN       4
272 #define SBSDIO_SPROM_WDS       7
273 #define SBSDIO_SPROM_DONE      8
274 
275 /* SBSDIO_SPROM_INFO */
276 #define SBSDIO_SROM_SZ_MASK		0x03	/* SROM size, 1: 4k, 2: 16k */
277 #define SBSDIO_SROM_BLANK		0x04	/* depreciated in corerev 6 */
278 #define	SBSDIO_SROM_OTP			0x80	/* OTP present */
279 
280 /* SBSDIO_CHIP_CTRL */
281 /* or'd with onchip xtal_pu, 1: power on oscillator */
282 #define SBSDIO_CHIP_CTRL_XTAL		0x01
283 
284 /* SBSDIO_WATERMARK */
285 /* number of bytes minus 1 for sd device to wait before sending data to host */
286 #define SBSDIO_WATERMARK_MASK		0x3f
287 
288 /* SBSDIO_DEVICE_CTL */
289 /* 1: device will assert busy signal when receiving CMD53 */
290 #define SBSDIO_DEVCTL_SETBUSY		0x01
291 /* 1: assertion of sdio interrupt is synchronous to the sdio clock */
292 #define SBSDIO_DEVCTL_SPI_INTR_SYNC	0x02
293 
294 /* function 1 OCP space */
295 /* sb offset addr is <= 15 bits, 32k */
296 #define SBSDIO_SB_OFT_ADDR_MASK		0x07FFF
297 #define SBSDIO_SB_OFT_ADDR_LIMIT	0x08000
298 /* sdsdio function 1 OCP space has 16/32 bit section */
299 #define SBSDIO_SB_ACCESS_2_4B_FLAG	0x08000
300 
301 /* direct(mapped) cis space */
302 /* MAPPED common CIS address */
303 #define SBSDIO_CIS_BASE_COMMON		0x1000
304 /* function 0(common) cis size in bytes */
305 #define SBSDIO_CIS_FUNC0_LIMIT		0x020
306 /* funciton 1 cis size in bytes */
307 #define SBSDIO_CIS_SIZE_LIMIT		0x200
308 /* cis offset addr is < 17 bits */
309 #define SBSDIO_CIS_OFT_ADDR_MASK	0x1FFFF
310 /* manfid tuple length, include tuple, link bytes */
311 #define SBSDIO_CIS_MANFID_TUPLE_LEN	6
312 
313 /* indirect cis access (in sprom) */
314 /* 8 control bytes first, CIS starts from 8th uint8_t */
315 #define SBSDIO_SPROM_CIS_OFFSET		0x8
316 /* sdio uint8_t mode: maximum length of one data comamnd */
317 #define SBSDIO_BYTEMODE_DATALEN_MAX	64
318 /* 4317 supports less */
319 #define SBSDIO_BYTEMODE_DATALEN_MAX_4317	52
320 /* sdio core function one address mask */
321 #define SBSDIO_CORE_ADDR_MASK	0x1FFFF
322 
323 /* CEATA defines */
324 #define CEATA_EXT_CSDBLOCK_SIZE         512
325 #define CEATA_FAST_IO                   39
326 #define CEATA_MULTIPLE_REGISTER_RW      60
327 #define CEATA_MULTIPLE_BLOCK_RW         61
328 
329 /* defines CE ATA task file registers */
330 #define CEATA_SCT_CNT_EXP_REG           0x02
331 #define CEATA_LBA_LOW_EXP_REG           0x03
332 #define CEATA_LBA_MID_EXP_REG           0x04
333 #define CEATA_LBA_HIGH_EXP_REG          0x05
334 #define CEATA_CNTRL_REG                 0x06
335 #define CEATA_FEATURE_REG               0x09	/* write */
336 #define CEATA_ERROR_REG                 0x09	/* read */
337 #define CEATA_SCT_CNT_REG               0x0A
338 #define CEATA_LBA_LOW_REG               0x0B
339 #define CEATA_LBA_MID_REG               0x0C
340 #define CEATA_LBA_HIGH_REG              0x0D
341 #define CEATA_DEV_HEAD_REG              0x0E
342 #define CEATA_STA_REG                   0x0F	/* read */
343 #define CEATA_CMD_REG                   0x0F	/* write */
344 
345 /* defines CEATA control and status registers for ce ata client driver */
346 #define CEATA_SCR_TEMPC_REG             0x80
347 #define CEATA_SCR_TEMPMAXP_REG          0x84
348 #define CEATA_TEMPMINP_REG              0x88
349 #define CEATA_SCR_STATUS_REG            0x8C
350 #define CEATA_SCR_REALLOCSA_REG         0x90
351 #define CEATA_SCR_ERETRACTSA_REG        0x94
352 #define CEATA_SCR_CAPABILITIES_REG      0x98
353 #define CEATA_SCR_CONTROL_REG           0xC0
354 
355 /* defines for SCR capabilities register bits for ce ata client driver */
356 #define CEATA_SCR_CAP_512               0x00000001
357 #define CEATA_SCR_CAP_1K                0x00000002
358 #define CEATA_SCR_CAP_4K                0x00000004
359 
360 /* defines CE ATA Control reg bits for ce ata client driver */
361 #define CEATA_CNTRL_ENABLE_INTR         0x00
362 #define CEATA_CNTRL_DISABLE_INTR        0x02
363 #define CEATA_CNTRL_SRST                0x04
364 #define CEATA_CNTRL_RSRST               0x00
365 
366 /* define CE ATA Status reg bits for ce ata client driver */
367 #define CEATA_STA_ERROR_BIT             0x01
368 #define CEATA_STA_OVR_BIT               0x02
369 #define CEATA_STA_SPT_BIT               0x04
370 #define CEATA_STA_DRQ_BIT               0x08
371 #define CEATA_STA_DRDY_BIT              0x40
372 #define CEATA_STA_BSY_BIT               0x80
373 
374 /* define CE ATA Error reg bits for ce ata client driver */
375 #define CEATA_ERROR_ABORTED_BIT         0x04
376 #define CEATA_ERROR_IDNF_BIT            0x10
377 #define CEATA_ERROR_UNCORRECTABLE_BIT   0x40
378 #define CEATA_ERROR_ICRC_BIT            0x80
379 
380 /* define CE ATA Commands for ce ata client driver */
381 #define CEATA_CMD_IDENTIFY_DEVICE       0xEC
382 #define CEATA_CMD_READ_DMA_EXT          0x25
383 #define CEATA_CMD_WRITE_DMA_EXT         0x35
384 #define CEATA_CMD_STANDBY_IMMEDIATE     0xE0
385 #define CEATA_CMD_FLUSH_CACHE_EXT       0xEA
386 
387 struct csd_mmc {
388 	uint32_t padding:8;
389 	uint32_t structure:2;
390 	uint32_t csdSpecVer:4;
391 	uint32_t reserved1:2;
392 	uint32_t taac:8;
393 	uint32_t nsac:8;
394 	uint32_t speed:8;
395 	uint32_t classes:12;
396 	uint32_t rdBlkLen:4;
397 	uint32_t rdBlkPartial:1;
398 	uint32_t wrBlkMisalign:1;
399 	uint32_t rdBlkMisalign:1;
400 	uint32_t dsr:1;
401 	uint32_t reserved2:2;
402 	uint32_t size:12;
403 	uint32_t vddRdCurrMin:3;
404 	uint32_t vddRdCurrMax:3;
405 	uint32_t vddWrCurrMin:3;
406 	uint32_t vddWrCurrMax:3;
407 	uint32_t devSizeMulti:3;
408 	uint32_t eraseGrpSize:5;
409 	uint32_t eraseGrpSizeMulti:5;
410 	uint32_t wrProtGroupSize:5;
411 	uint32_t wrProtGroupEnable:1;
412 	uint32_t manuDefEcc:2;
413 	uint32_t wrSpeedFactor:3;
414 	uint32_t wrBlkLen:4;
415 	uint32_t wrBlkPartial:1;
416 	uint32_t reserved5:4;
417 	uint32_t protAppl:1;
418 	uint32_t fileFormatGrp:1;
419 	uint32_t copyFlag:1;
420 	uint32_t permWrProt:1;
421 	uint32_t tmpWrProt:1;
422 	uint32_t fileFormat:2;
423 	uint32_t eccCode:2;
424 };
425 
426 /* CSD register*/
427 union sd_csd {
428 	uint32_t csd[4];
429 	struct csd_mmc mmc;
430 };
431 
432 struct sd_card_data {
433 	union sd_csd csd;
434 };
435 #endif /* CSL_SD_PROT_H */
436