2 * Copyright 2011, Marvell Semiconductor Inc.
3 * Lei Wen <leiwen@marvell.com>
5 * SPDX-License-Identifier: GPL-2.0+
7 * Back ported to the 8xx platform (from the 8260 platform) by
8 * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
17 * Controller registers
20 #define SDHCI_DMA_ADDRESS 0x00
22 #define SDHCI_BLOCK_SIZE 0x04
23 #define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF))
25 #define SDHCI_BLOCK_COUNT 0x06
27 #define SDHCI_ARGUMENT 0x08
29 #define SDHCI_TRANSFER_MODE 0x0C
30 #define SDHCI_TRNS_DMA 0x01
31 #define SDHCI_TRNS_BLK_CNT_EN 0x02
32 #define SDHCI_TRNS_ACMD12 0x04
33 #define SDHCI_TRNS_READ 0x10
34 #define SDHCI_TRNS_MULTI 0x20
36 #define SDHCI_COMMAND 0x0E
37 #define SDHCI_CMD_RESP_MASK 0x03
38 #define SDHCI_CMD_CRC 0x08
39 #define SDHCI_CMD_INDEX 0x10
40 #define SDHCI_CMD_DATA 0x20
41 #define SDHCI_CMD_ABORTCMD 0xC0
43 #define SDHCI_CMD_RESP_NONE 0x00
44 #define SDHCI_CMD_RESP_LONG 0x01
45 #define SDHCI_CMD_RESP_SHORT 0x02
46 #define SDHCI_CMD_RESP_SHORT_BUSY 0x03
48 #define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff))
49 #define SDHCI_GET_CMD(c) ((c>>8) & 0x3f)
51 #define SDHCI_RESPONSE 0x10
53 #define SDHCI_BUFFER 0x20
55 #define SDHCI_PRESENT_STATE 0x24
56 #define SDHCI_CMD_INHIBIT 0x00000001
57 #define SDHCI_DATA_INHIBIT 0x00000002
58 #define SDHCI_DOING_WRITE 0x00000100
59 #define SDHCI_DOING_READ 0x00000200
60 #define SDHCI_SPACE_AVAILABLE 0x00000400
61 #define SDHCI_DATA_AVAILABLE 0x00000800
62 #define SDHCI_CARD_PRESENT 0x00010000
63 #define SDHCI_CARD_STATE_STABLE 0x00020000
64 #define SDHCI_CARD_DETECT_PIN_LEVEL 0x00040000
65 #define SDHCI_WRITE_PROTECT 0x00080000
67 #define SDHCI_HOST_CONTROL 0x28
68 #define SDHCI_CTRL_LED 0x01
69 #define SDHCI_CTRL_4BITBUS 0x02
70 #define SDHCI_CTRL_HISPD 0x04
71 #define SDHCI_CTRL_DMA_MASK 0x18
72 #define SDHCI_CTRL_SDMA 0x00
73 #define SDHCI_CTRL_ADMA1 0x08
74 #define SDHCI_CTRL_ADMA32 0x10
75 #define SDHCI_CTRL_ADMA64 0x18
76 #define SDHCI_CTRL_8BITBUS 0x20
77 #define SDHCI_CTRL_CD_TEST_INS 0x40
78 #define SDHCI_CTRL_CD_TEST 0x80
80 #define SDHCI_POWER_CONTROL 0x29
81 #define SDHCI_POWER_ON 0x01
82 #define SDHCI_POWER_180 0x0A
83 #define SDHCI_POWER_300 0x0C
84 #define SDHCI_POWER_330 0x0E
86 #define SDHCI_BLOCK_GAP_CONTROL 0x2A
88 #define SDHCI_WAKE_UP_CONTROL 0x2B
89 #define SDHCI_WAKE_ON_INT 0x01
90 #define SDHCI_WAKE_ON_INSERT 0x02
91 #define SDHCI_WAKE_ON_REMOVE 0x04
93 #define SDHCI_CLOCK_CONTROL 0x2C
94 #define SDHCI_DIVIDER_SHIFT 8
95 #define SDHCI_DIVIDER_HI_SHIFT 6
96 #define SDHCI_DIV_MASK 0xFF
97 #define SDHCI_DIV_MASK_LEN 8
98 #define SDHCI_DIV_HI_MASK 0x300
99 #define SDHCI_CLOCK_CARD_EN 0x0004
100 #define SDHCI_CLOCK_INT_STABLE 0x0002
101 #define SDHCI_CLOCK_INT_EN 0x0001
103 #define SDHCI_TIMEOUT_CONTROL 0x2E
105 #define SDHCI_SOFTWARE_RESET 0x2F
106 #define SDHCI_RESET_ALL 0x01
107 #define SDHCI_RESET_CMD 0x02
108 #define SDHCI_RESET_DATA 0x04
110 #define SDHCI_INT_STATUS 0x30
111 #define SDHCI_INT_ENABLE 0x34
112 #define SDHCI_SIGNAL_ENABLE 0x38
113 #define SDHCI_INT_RESPONSE 0x00000001
114 #define SDHCI_INT_DATA_END 0x00000002
115 #define SDHCI_INT_DMA_END 0x00000008
116 #define SDHCI_INT_SPACE_AVAIL 0x00000010
117 #define SDHCI_INT_DATA_AVAIL 0x00000020
118 #define SDHCI_INT_CARD_INSERT 0x00000040
119 #define SDHCI_INT_CARD_REMOVE 0x00000080
120 #define SDHCI_INT_CARD_INT 0x00000100
121 #define SDHCI_INT_ERROR 0x00008000
122 #define SDHCI_INT_TIMEOUT 0x00010000
123 #define SDHCI_INT_CRC 0x00020000
124 #define SDHCI_INT_END_BIT 0x00040000
125 #define SDHCI_INT_INDEX 0x00080000
126 #define SDHCI_INT_DATA_TIMEOUT 0x00100000
127 #define SDHCI_INT_DATA_CRC 0x00200000
128 #define SDHCI_INT_DATA_END_BIT 0x00400000
129 #define SDHCI_INT_BUS_POWER 0x00800000
130 #define SDHCI_INT_ACMD12ERR 0x01000000
131 #define SDHCI_INT_ADMA_ERROR 0x02000000
133 #define SDHCI_INT_NORMAL_MASK 0x00007FFF
134 #define SDHCI_INT_ERROR_MASK 0xFFFF8000
136 #define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \
137 SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)
138 #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
139 SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
140 SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
141 SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR)
142 #define SDHCI_INT_ALL_MASK ((unsigned int)-1)
144 #define SDHCI_ACMD12_ERR 0x3C
148 #define SDHCI_CAPABILITIES 0x40
149 #define SDHCI_TIMEOUT_CLK_MASK 0x0000003F
150 #define SDHCI_TIMEOUT_CLK_SHIFT 0
151 #define SDHCI_TIMEOUT_CLK_UNIT 0x00000080
152 #define SDHCI_CLOCK_BASE_MASK 0x00003F00
153 #define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00
154 #define SDHCI_CLOCK_BASE_SHIFT 8
155 #define SDHCI_MAX_BLOCK_MASK 0x00030000
156 #define SDHCI_MAX_BLOCK_SHIFT 16
157 #define SDHCI_CAN_DO_8BIT 0x00040000
158 #define SDHCI_CAN_DO_ADMA2 0x00080000
159 #define SDHCI_CAN_DO_ADMA1 0x00100000
160 #define SDHCI_CAN_DO_HISPD 0x00200000
161 #define SDHCI_CAN_DO_SDMA 0x00400000
162 #define SDHCI_CAN_VDD_330 0x01000000
163 #define SDHCI_CAN_VDD_300 0x02000000
164 #define SDHCI_CAN_VDD_180 0x04000000
165 #define SDHCI_CAN_64BIT 0x10000000
167 #define SDHCI_CAPABILITIES_1 0x44
169 #define SDHCI_MAX_CURRENT 0x48
171 /* 4C-4F reserved for more max current */
173 #define SDHCI_SET_ACMD12_ERROR 0x50
174 #define SDHCI_SET_INT_ERROR 0x52
176 #define SDHCI_ADMA_ERROR 0x54
180 #define SDHCI_ADMA_ADDRESS 0x58
184 #define SDHCI_SLOT_INT_STATUS 0xFC
186 #define SDHCI_HOST_VERSION 0xFE
187 #define SDHCI_VENDOR_VER_MASK 0xFF00
188 #define SDHCI_VENDOR_VER_SHIFT 8
189 #define SDHCI_SPEC_VER_MASK 0x00FF
190 #define SDHCI_SPEC_VER_SHIFT 0
191 #define SDHCI_SPEC_100 0
192 #define SDHCI_SPEC_200 1
193 #define SDHCI_SPEC_300 2
195 #define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK)
198 * End of controller registers.
201 #define SDHCI_MAX_DIV_SPEC_200 256
202 #define SDHCI_MAX_DIV_SPEC_300 2046
207 #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0)
208 #define SDHCI_QUIRK_REG32_RW (1 << 1)
209 #define SDHCI_QUIRK_BROKEN_R1B (1 << 2)
210 #define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3)
211 #define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)
212 #define SDHCI_QUIRK_NO_CD (1 << 5)
213 #define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6)
214 #define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7)
215 #define SDHCI_QUIRK_USE_WIDE8 (1 << 8)
217 /* to make gcc happy */
221 * Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2.
223 #define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024)
224 #define SDHCI_DEFAULT_BOUNDARY_ARG (7)
226 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
227 u32 (*read_l)(struct sdhci_host *host, int reg);
228 u16 (*read_w)(struct sdhci_host *host, int reg);
229 u8 (*read_b)(struct sdhci_host *host, int reg);
230 void (*write_l)(struct sdhci_host *host, u32 val, int reg);
231 void (*write_w)(struct sdhci_host *host, u16 val, int reg);
232 void (*write_b)(struct sdhci_host *host, u8 val, int reg);
240 unsigned int host_caps;
241 unsigned int version;
244 const struct sdhci_ops *ops;
247 void (*set_control_reg)(struct sdhci_host *host);
248 void (*set_clock)(int dev_index, unsigned int div);
252 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
254 static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
256 if (unlikely(host->ops->write_l))
257 host->ops->write_l(host, val, reg);
259 writel(val, host->ioaddr + reg);
262 static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
264 if (unlikely(host->ops->write_w))
265 host->ops->write_w(host, val, reg);
267 writew(val, host->ioaddr + reg);
270 static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
272 if (unlikely(host->ops->write_b))
273 host->ops->write_b(host, val, reg);
275 writeb(val, host->ioaddr + reg);
278 static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
280 if (unlikely(host->ops->read_l))
281 return host->ops->read_l(host, reg);
283 return readl(host->ioaddr + reg);
286 static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
288 if (unlikely(host->ops->read_w))
289 return host->ops->read_w(host, reg);
291 return readw(host->ioaddr + reg);
294 static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
296 if (unlikely(host->ops->read_b))
297 return host->ops->read_b(host, reg);
299 return readb(host->ioaddr + reg);
304 static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
306 writel(val, host->ioaddr + reg);
309 static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
311 writew(val, host->ioaddr + reg);
314 static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
316 writeb(val, host->ioaddr + reg);
318 static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
320 return readl(host->ioaddr + reg);
323 static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
325 return readw(host->ioaddr + reg);
328 static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
330 return readb(host->ioaddr + reg);
334 int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk);
335 #endif /* __SDHCI_HW_H */