1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Marvell MMC/SD/SDIO driver
6 * Marvell Semiconductor <www.marvell.com>
7 * Written-by: Maen Suleiman, Gerald Kerma
10 #ifndef __MVEBU_MMC_H__
11 #define __MVEBU_MMC_H__
13 /* needed for the mmc_cfg definition */
16 #define MMC_BLOCK_SIZE 512
22 #define MVEBU_MMC_CLOCKRATE_MAX 50000000
23 #define MVEBU_MMC_BASE_DIV_MAX 0x7ff
24 #define MVEBU_MMC_BASE_FAST_CLOCK CFG_SYS_TCLK
25 #define MVEBU_MMC_BASE_FAST_CLK_100 100000000
26 #define MVEBU_MMC_BASE_FAST_CLK_200 200000000
29 #define SDIO_SYS_ADDR_LOW 0x000
30 #define SDIO_SYS_ADDR_HI 0x004
31 #define SDIO_BLK_SIZE 0x008
32 #define SDIO_BLK_COUNT 0x00c
33 #define SDIO_ARG_LOW 0x010
34 #define SDIO_ARG_HI 0x014
35 #define SDIO_XFER_MODE 0x018
36 #define SDIO_CMD 0x01c
37 #define SDIO_RSP(i) (0x020 + ((i)<<2))
38 #define SDIO_RSP0 0x020
39 #define SDIO_RSP1 0x024
40 #define SDIO_RSP2 0x028
41 #define SDIO_RSP3 0x02c
42 #define SDIO_RSP4 0x030
43 #define SDIO_RSP5 0x034
44 #define SDIO_RSP6 0x038
45 #define SDIO_RSP7 0x03c
46 #define SDIO_BUF_DATA_PORT 0x040
47 #define SDIO_RSVED 0x044
48 #define SDIO_HW_STATE 0x048
49 #define SDIO_PRESENT_STATE0 0x048
50 #define SDIO_PRESENT_STATE1 0x04c
51 #define SDIO_HOST_CTRL 0x050
52 #define SDIO_BLK_GAP_CTRL 0x054
53 #define SDIO_CLK_CTRL 0x058
54 #define SDIO_SW_RESET 0x05c
55 #define SDIO_NOR_INTR_STATUS 0x060
56 #define SDIO_ERR_INTR_STATUS 0x064
57 #define SDIO_NOR_STATUS_EN 0x068
58 #define SDIO_ERR_STATUS_EN 0x06c
59 #define SDIO_NOR_INTR_EN 0x070
60 #define SDIO_ERR_INTR_EN 0x074
61 #define SDIO_AUTOCMD12_ERR_STATUS 0x078
62 #define SDIO_CURR_BYTE_LEFT 0x07c
63 #define SDIO_CURR_BLK_LEFT 0x080
64 #define SDIO_AUTOCMD12_ARG_LOW 0x084
65 #define SDIO_AUTOCMD12_ARG_HI 0x088
66 #define SDIO_AUTOCMD12_INDEX 0x08c
67 #define SDIO_AUTO_RSP(i) (0x090 + ((i)<<2))
68 #define SDIO_AUTO_RSP0 0x090
69 #define SDIO_AUTO_RSP1 0x094
70 #define SDIO_AUTO_RSP2 0x098
71 #define SDIO_CLK_DIV 0x128
73 #define WINDOW_CTRL(i) (0x108 + ((i) << 3))
74 #define WINDOW_BASE(i) (0x10c + ((i) << 3))
76 /* SDIO_PRESENT_STATE */
77 #define CARD_BUSY (1 << 1)
78 #define CMD_INHIBIT (1 << 0)
79 #define CMD_TXACTIVE (1 << 8)
80 #define CMD_RXACTIVE (1 << 9)
81 #define CMD_FIFO_EMPTY (1 << 13)
82 #define CMD_AUTOCMD12ACTIVE (1 << 14)
83 #define CMD_BUS_BUSY (CMD_AUTOCMD12ACTIVE | \
93 #define SDIO_CMD_RSP_NONE (0 << 0)
94 #define SDIO_CMD_RSP_136 (1 << 0)
95 #define SDIO_CMD_RSP_48 (2 << 0)
96 #define SDIO_CMD_RSP_48BUSY (3 << 0)
98 #define SDIO_CMD_CHECK_DATACRC16 (1 << 2)
99 #define SDIO_CMD_CHECK_CMDCRC (1 << 3)
100 #define SDIO_CMD_INDX_CHECK (1 << 4)
101 #define SDIO_CMD_DATA_PRESENT (1 << 5)
102 #define SDIO_UNEXPECTED_RESP (1 << 7)
104 #define SDIO_CMD_INDEX(x) ((x) << 8)
110 #define SDIO_XFER_MODE_STOP_CLK (1 << 5)
111 #define SDIO_XFER_MODE_HW_WR_DATA_EN (1 << 1)
112 #define SDIO_XFER_MODE_AUTO_CMD12 (1 << 2)
113 #define SDIO_XFER_MODE_INT_CHK_EN (1 << 3)
114 #define SDIO_XFER_MODE_TO_HOST (1 << 4)
115 #define SDIO_XFER_MODE_DMA (0 << 6)
121 #define SDIO_HOST_CTRL_PUSH_PULL_EN (1 << 0)
123 #define SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1)
124 #define SDIO_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1)
125 #define SDIO_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1)
126 #define SDIO_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1)
127 #define SDIO_HOST_CTRL_CARD_TYPE_MASK (3 << 1)
129 #define SDIO_HOST_CTRL_BIG_ENDIAN (1 << 3)
130 #define SDIO_HOST_CTRL_LSB_FIRST (1 << 4)
131 #define SDIO_HOST_CTRL_DATA_WIDTH_1_BIT (0 << 9)
132 #define SDIO_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9)
133 #define SDIO_HOST_CTRL_HI_SPEED_EN (1 << 10)
135 #define SDIO_HOST_CTRL_TMOUT_MAX 0xf
136 #define SDIO_HOST_CTRL_TMOUT_MASK (0xf << 11)
137 #define SDIO_HOST_CTRL_TMOUT(x) ((x) << 11)
138 #define SDIO_HOST_CTRL_TMOUT_EN (1 << 15)
144 #define SDIO_SW_RESET_NOW (1 << 8)
147 * Normal interrupt status bits
150 #define SDIO_NOR_ERROR (1 << 15)
151 #define SDIO_NOR_UNEXP_RSP (1 << 14)
152 #define SDIO_NOR_AUTOCMD12_DONE (1 << 13)
153 #define SDIO_NOR_SUSPEND_ON (1 << 12)
154 #define SDIO_NOR_LMB_FF_8W_AVAIL (1 << 11)
155 #define SDIO_NOR_LMB_FF_8W_FILLED (1 << 10)
156 #define SDIO_NOR_READ_WAIT_ON (1 << 9)
157 #define SDIO_NOR_CARD_INT (1 << 8)
158 #define SDIO_NOR_READ_READY (1 << 5)
159 #define SDIO_NOR_WRITE_READY (1 << 4)
160 #define SDIO_NOR_DMA_INI (1 << 3)
161 #define SDIO_NOR_BLK_GAP_EVT (1 << 2)
162 #define SDIO_NOR_XFER_DONE (1 << 1)
163 #define SDIO_NOR_CMD_DONE (1 << 0)
169 #define SDIO_ERR_CRC_STATUS (1 << 14)
170 #define SDIO_ERR_CRC_STARTBIT (1 << 13)
171 #define SDIO_ERR_CRC_ENDBIT (1 << 12)
172 #define SDIO_ERR_RESP_TBIT (1 << 11)
173 #define SDIO_ERR_XFER_SIZE (1 << 10)
174 #define SDIO_ERR_CMD_STARTBIT (1 << 9)
175 #define SDIO_ERR_AUTOCMD12 (1 << 8)
176 #define SDIO_ERR_DATA_ENDBIT (1 << 6)
177 #define SDIO_ERR_DATA_CRC (1 << 5)
178 #define SDIO_ERR_DATA_TIMEOUT (1 << 4)
179 #define SDIO_ERR_CMD_INDEX (1 << 3)
180 #define SDIO_ERR_CMD_ENDBIT (1 << 2)
181 #define SDIO_ERR_CMD_CRC (1 << 1)
182 #define SDIO_ERR_CMD_TIMEOUT (1 << 0)
183 /* enable all for polling */
184 #define SDIO_POLL_MASK 0xffff
187 * CMD12 error status bits
190 #define SDIO_AUTOCMD12_ERR_NOTEXE (1 << 0)
191 #define SDIO_AUTOCMD12_ERR_TIMEOUT (1 << 1)
192 #define SDIO_AUTOCMD12_ERR_CRC (1 << 2)
193 #define SDIO_AUTOCMD12_ERR_ENDBIT (1 << 3)
194 #define SDIO_AUTOCMD12_ERR_INDEX (1 << 4)
195 #define SDIO_AUTOCMD12_ERR_RESP_T_BIT (1 << 5)
196 #define SDIO_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6)
198 #define MMC_RSP_PRESENT (1 << 0)
199 /* 136 bit response */
200 #define MMC_RSP_136 (1 << 1)
201 /* expect valid crc */
202 #define MMC_RSP_CRC (1 << 2)
203 /* card may send busy */
204 #define MMC_RSP_BUSY (1 << 3)
205 /* response contains opcode */
206 #define MMC_RSP_OPCODE (1 << 4)
208 #define MMC_BUSMODE_OPENDRAIN 1
209 #define MMC_BUSMODE_PUSHPULL 2
211 #define MMC_BUS_WIDTH_1 0
212 #define MMC_BUS_WIDTH_4 2
213 #define MMC_BUS_WIDTH_8 3
215 /* Can the host do 4 bit transfers */
216 #define MMC_CAP_4_BIT_DATA (1 << 0)
217 /* Can do MMC high-speed timing */
218 #define MMC_CAP_MMC_HIGHSPEED (1 << 1)
219 /* Can do SD high-speed timing */
220 #define MMC_CAP_SD_HIGHSPEED (1 << 2)
221 /* Can signal pending SDIO IRQs */
222 #define MMC_CAP_SDIO_IRQ (1 << 3)
223 /* Talks only SPI protocols */
224 #define MMC_CAP_SPI (1 << 4)
225 /* Can the host do 8 bit transfers */
226 #define MMC_CAP_8_BIT_DATA (1 << 6)
228 /* Waits while card is busy */
229 #define MMC_CAP_WAIT_WHILE_BUSY (1 << 9)
230 /* Allow erase/trim commands */
231 #define MMC_CAP_ERASE (1 << 10)
232 /* can support DDR mode at 1.8V */
233 #define MMC_CAP_1_8V_DDR (1 << 11)
234 /* can support DDR mode at 1.2V */
235 #define MMC_CAP_1_2V_DDR (1 << 12)
236 /* Can power off after boot */
237 #define MMC_CAP_POWER_OFF_CARD (1 << 13)
238 /* CMD14/CMD19 bus width ok */
239 #define MMC_CAP_BUS_WIDTH_TEST (1 << 14)
240 /* Host supports UHS SDR12 mode */
241 #define MMC_CAP_UHS_SDR12 (1 << 15)
242 /* Host supports UHS SDR25 mode */
243 #define MMC_CAP_UHS_SDR25 (1 << 16)
244 /* Host supports UHS SDR50 mode */
245 #define MMC_CAP_UHS_SDR50 (1 << 17)
246 /* Host supports UHS SDR104 mode */
247 #define MMC_CAP_UHS_SDR104 (1 << 18)
248 /* Host supports UHS DDR50 mode */
249 #define MMC_CAP_UHS_DDR50 (1 << 19)
250 /* Host supports Driver Type A */
251 #define MMC_CAP_DRIVER_TYPE_A (1 << 23)
252 /* Host supports Driver Type C */
253 #define MMC_CAP_DRIVER_TYPE_C (1 << 24)
254 /* Host supports Driver Type D */
255 #define MMC_CAP_DRIVER_TYPE_D (1 << 25)
256 /* CMD23 supported. */
257 #define MMC_CAP_CMD23 (1 << 30)
259 #define MMC_CAP_HW_RESET (1 << 31)
261 struct mvebu_mmc_plat {
263 struct mmc_config cfg;
267 #endif /* __MVEBU_MMC_H__ */