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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
DrEagle3fe3b4f2014-07-25 21:07:30 +02002/*
3 * Marvell MMC/SD/SDIO driver
4 *
5 * (C) Copyright 2012
6 * Marvell Semiconductor <www.marvell.com>
7 * Written-by: Maen Suleiman, Gerald Kerma
DrEagle3fe3b4f2014-07-25 21:07:30 +02008 */
9
10#ifndef __MVEBU_MMC_H__
11#define __MVEBU_MMC_H__
12
13/* needed for the mmc_cfg definition */
14#include <mmc.h>
15
16#define MMC_BLOCK_SIZE 512
17
18/*
19 * Clock rates
20 */
21
22#define MVEBU_MMC_CLOCKRATE_MAX 50000000
23#define MVEBU_MMC_BASE_DIV_MAX 0x7ff
24#define MVEBU_MMC_BASE_FAST_CLOCK CONFIG_SYS_TCLK
25#define MVEBU_MMC_BASE_FAST_CLK_100 100000000
26#define MVEBU_MMC_BASE_FAST_CLK_200 200000000
27
28/* SDIO register */
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
72
73#define WINDOW_CTRL(i) (0x108 + ((i) << 3))
74#define WINDOW_BASE(i) (0x10c + ((i) << 3))
75
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)
Gerald Kerma28d27b72014-12-13 21:35:32 +010081#define CMD_FIFO_EMPTY (1 << 13)
DrEagle3fe3b4f2014-07-25 21:07:30 +020082#define CMD_AUTOCMD12ACTIVE (1 << 14)
83#define CMD_BUS_BUSY (CMD_AUTOCMD12ACTIVE | \
84 CMD_RXACTIVE | \
85 CMD_TXACTIVE | \
86 CMD_INHIBIT | \
87 CARD_BUSY)
88
89/*
90 * SDIO_CMD
91 */
92
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)
97
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)
103
104#define SDIO_CMD_INDEX(x) ((x) << 8)
105
106/*
107 * SDIO_XFER_MODE
108 */
109
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)
116
117/*
118 * SDIO_HOST_CTRL
119 */
120
121#define SDIO_HOST_CTRL_PUSH_PULL_EN (1 << 0)
122
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)
128
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)
134
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)
139
140/*
141 * SDIO_SW_RESET
142 */
143
144#define SDIO_SW_RESET_NOW (1 << 8)
145
146/*
147 * Normal interrupt status bits
148 */
149
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)
164
165/*
166 * Error status bits
167 */
168
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
185
186/*
187 * CMD12 error status bits
188 */
189
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)
197
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)
207
208#define MMC_BUSMODE_OPENDRAIN 1
209#define MMC_BUSMODE_PUSHPULL 2
210
211#define MMC_BUS_WIDTH_1 0
212#define MMC_BUS_WIDTH_4 2
213#define MMC_BUS_WIDTH_8 3
214
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)
DrEagle3fe3b4f2014-07-25 21:07:30 +0200225/* Can the host do 8 bit transfers */
226#define MMC_CAP_8_BIT_DATA (1 << 6)
227
DrEagle3fe3b4f2014-07-25 21:07:30 +0200228/* 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)
258/* Hardware reset */
259#define MMC_CAP_HW_RESET (1 << 31)
260
261struct mvebu_mmc_cfg {
262 u32 mvebu_mmc_base;
263 u32 mvebu_mmc_clk;
264 u8 max_bus_width;
265 struct mmc_config cfg;
266};
267
268/*
269 * Functions prototypes
270 */
271
Masahiro Yamadab75d8dc2020-06-26 15:13:33 +0900272int mvebu_mmc_init(struct bd_info *bis);
DrEagle3fe3b4f2014-07-25 21:07:30 +0200273
274#endif /* __MVEBU_MMC_H__ */