1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2016 Socionext Inc.
7 #ifndef __TMIO_COMMON_H__
8 #define __TMIO_COMMON_H__
10 #include <linux/bitops.h>
11 #define TMIO_SD_CMD 0x000 /* command */
12 #define TMIO_SD_CMD_NOSTOP BIT(14) /* No automatic CMD12 issue */
13 #define TMIO_SD_CMD_MULTI BIT(13) /* multiple block transfer */
14 #define TMIO_SD_CMD_RD BIT(12) /* 1: read, 0: write */
15 #define TMIO_SD_CMD_DATA BIT(11) /* data transfer */
16 #define TMIO_SD_CMD_APP BIT(6) /* ACMD preceded by CMD55 */
17 #define TMIO_SD_CMD_NORMAL (0 << 8)/* auto-detect of resp-type */
18 #define TMIO_SD_CMD_RSP_NONE (3 << 8)/* response: none */
19 #define TMIO_SD_CMD_RSP_R1 (4 << 8)/* response: R1, R5, R6, R7 */
20 #define TMIO_SD_CMD_RSP_R1B (5 << 8)/* response: R1b, R5b */
21 #define TMIO_SD_CMD_RSP_R2 (6 << 8)/* response: R2 */
22 #define TMIO_SD_CMD_RSP_R3 (7 << 8)/* response: R3, R4 */
23 #define TMIO_SD_ARG 0x008 /* command argument */
24 #define TMIO_SD_STOP 0x010 /* stop action control */
25 #define TMIO_SD_STOP_SEC BIT(8) /* use sector count */
26 #define TMIO_SD_STOP_STP BIT(0) /* issue CMD12 */
27 #define TMIO_SD_SECCNT 0x014 /* sector counter */
28 #define TMIO_SD_RSP10 0x018 /* response[39:8] */
29 #define TMIO_SD_RSP32 0x020 /* response[71:40] */
30 #define TMIO_SD_RSP54 0x028 /* response[103:72] */
31 #define TMIO_SD_RSP76 0x030 /* response[127:104] */
32 #define TMIO_SD_INFO1 0x038 /* IRQ status 1 */
33 #define TMIO_SD_INFO1_CD BIT(5) /* state of card detect */
34 #define TMIO_SD_INFO1_INSERT BIT(4) /* card inserted */
35 #define TMIO_SD_INFO1_REMOVE BIT(3) /* card removed */
36 #define TMIO_SD_INFO1_CMP BIT(2) /* data complete */
37 #define TMIO_SD_INFO1_RSP BIT(0) /* response complete */
38 #define TMIO_SD_INFO2 0x03c /* IRQ status 2 */
39 #define TMIO_SD_INFO2_ERR_ILA BIT(15) /* illegal access err */
40 #define TMIO_SD_INFO2_CBSY BIT(14) /* command busy */
41 #define TMIO_SD_INFO2_SCLKDIVEN BIT(13) /* command setting reg ena */
42 #define TMIO_SD_INFO2_BWE BIT(9) /* write buffer ready */
43 #define TMIO_SD_INFO2_BRE BIT(8) /* read buffer ready */
44 #define TMIO_SD_INFO2_DAT0 BIT(7) /* SDDAT0 */
45 #define TMIO_SD_INFO2_ERR_RTO BIT(6) /* response time out */
46 #define TMIO_SD_INFO2_ERR_ILR BIT(5) /* illegal read err */
47 #define TMIO_SD_INFO2_ERR_ILW BIT(4) /* illegal write err */
48 #define TMIO_SD_INFO2_ERR_TO BIT(3) /* time out error */
49 #define TMIO_SD_INFO2_ERR_END BIT(2) /* END bit error */
50 #define TMIO_SD_INFO2_ERR_CRC BIT(1) /* CRC error */
51 #define TMIO_SD_INFO2_ERR_IDX BIT(0) /* cmd index error */
52 #define TMIO_SD_INFO1_MASK 0x040
53 #define TMIO_SD_INFO2_MASK 0x044
54 #define TMIO_SD_CLKCTL 0x048 /* clock divisor */
55 #define TMIO_SD_CLKCTL_DIV_MASK 0x104ff
56 #define TMIO_SD_CLKCTL_DIV1024 BIT(16) /* SDCLK = CLK / 1024 */
57 #define TMIO_SD_CLKCTL_DIV512 BIT(7) /* SDCLK = CLK / 512 */
58 #define TMIO_SD_CLKCTL_DIV256 BIT(6) /* SDCLK = CLK / 256 */
59 #define TMIO_SD_CLKCTL_DIV128 BIT(5) /* SDCLK = CLK / 128 */
60 #define TMIO_SD_CLKCTL_DIV64 BIT(4) /* SDCLK = CLK / 64 */
61 #define TMIO_SD_CLKCTL_DIV32 BIT(3) /* SDCLK = CLK / 32 */
62 #define TMIO_SD_CLKCTL_DIV16 BIT(2) /* SDCLK = CLK / 16 */
63 #define TMIO_SD_CLKCTL_DIV8 BIT(1) /* SDCLK = CLK / 8 */
64 #define TMIO_SD_CLKCTL_DIV4 BIT(0) /* SDCLK = CLK / 4 */
65 #define TMIO_SD_CLKCTL_DIV2 0 /* SDCLK = CLK / 2 */
66 #define TMIO_SD_CLKCTL_DIV1 BIT(10) /* SDCLK = CLK */
67 #define TMIO_SD_CLKCTL_RCAR_DIV1 0xff /* SDCLK = CLK (R-Car ver.) */
68 #define TMIO_SD_CLKCTL_OFFEN BIT(9) /* stop SDCLK when unused */
69 #define TMIO_SD_CLKCTL_SCLKEN BIT(8) /* SDCLK output enable */
70 #define TMIO_SD_SIZE 0x04c /* block size */
71 #define TMIO_SD_OPTION 0x050
72 #define TMIO_SD_OPTION_WIDTH_MASK (5 << 13)
73 #define TMIO_SD_OPTION_WIDTH_1 (4 << 13)
74 #define TMIO_SD_OPTION_WIDTH_4 (0 << 13)
75 #define TMIO_SD_OPTION_WIDTH_8 (1 << 13)
76 #define TMIO_SD_BUF 0x060 /* read/write buffer */
77 #define TMIO_SD_EXTMODE 0x1b0
78 #define TMIO_SD_EXTMODE_DMA_EN BIT(1) /* transfer 1: DMA, 0: pio */
79 #define TMIO_SD_SOFT_RST 0x1c0
80 #define TMIO_SD_SOFT_RST_RSTX BIT(0) /* reset deassert */
81 #define TMIO_SD_VERSION 0x1c4 /* version register */
82 #define TMIO_SD_VERSION_IP 0xff /* IP version */
83 #define TMIO_SD_HOST_MODE 0x1c8
84 #define TMIO_SD_IF_MODE 0x1cc
85 #define TMIO_SD_IF_MODE_DDR BIT(0) /* DDR mode */
86 #define TMIO_SD_VOLT 0x1e4 /* voltage switch */
87 #define TMIO_SD_VOLT_MASK (3 << 0)
88 #define TMIO_SD_VOLT_OFF (0 << 0)
89 #define TMIO_SD_VOLT_330 (1 << 0)/* 3.3V signal */
90 #define TMIO_SD_VOLT_180 (2 << 0)/* 1.8V signal */
91 #define TMIO_SD_DMA_MODE 0x410
92 #define TMIO_SD_DMA_MODE_DIR_RD BIT(16) /* 1: from device, 0: to dev */
93 #define TMIO_SD_DMA_MODE_BUS_WIDTH (BIT(5) | BIT(4)) /* R-Car, 64bit */
94 #define TMIO_SD_DMA_MODE_ADDR_INC BIT(0) /* 1: address inc, 0: fixed */
95 #define TMIO_SD_DMA_CTL 0x414
96 #define TMIO_SD_DMA_CTL_START BIT(0) /* start DMA (auto cleared) */
97 #define TMIO_SD_DMA_RST 0x418
98 #define TMIO_SD_DMA_RST_RD BIT(9)
99 #define TMIO_SD_DMA_RST_WR BIT(8)
100 #define TMIO_SD_DMA_INFO1 0x420
101 #define TMIO_SD_DMA_INFO1_END_RD2 BIT(20) /* DMA from device is complete (uniphier) */
102 #define TMIO_SD_DMA_INFO1_END_RD BIT(17) /* DMA from device is complete (renesas) */
103 #define TMIO_SD_DMA_INFO1_END_WR BIT(16) /* DMA to device is complete */
104 #define TMIO_SD_DMA_INFO1_MASK 0x424
105 #define TMIO_SD_DMA_INFO2 0x428
106 #define TMIO_SD_DMA_INFO2_ERR_RD BIT(17)
107 #define TMIO_SD_DMA_INFO2_ERR_WR BIT(16)
108 #define TMIO_SD_DMA_INFO2_MASK 0x42c
109 #define TMIO_SD_DMA_ADDR_L 0x440
110 #define TMIO_SD_DMA_ADDR_H 0x444
112 /* alignment required by the DMA engine of this controller */
113 #define TMIO_SD_DMA_MINALIGN 0x10
115 struct tmio_sd_plat {
116 struct mmc_config cfg;
120 struct tmio_sd_priv {
121 void __iomem *regbase;
122 unsigned int version;
126 #define TMIO_SD_CAP_NONREMOVABLE BIT(0) /* Nonremovable e.g. eMMC */
127 #define TMIO_SD_CAP_DMA_INTERNAL BIT(1) /* have internal DMA engine */
128 #define TMIO_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */
129 #define TMIO_SD_CAP_64BIT BIT(3) /* Controller is 64bit */
130 #define TMIO_SD_CAP_16BIT BIT(4) /* Controller is 16bit */
131 #define TMIO_SD_CAP_RCAR_GEN2 BIT(5) /* Renesas R-Car version of IP */
132 #define TMIO_SD_CAP_RCAR_GEN3 BIT(6) /* Renesas R-Car version of IP */
133 #define TMIO_SD_CAP_RCAR_UHS BIT(7) /* Renesas R-Car UHS/SDR modes */
134 #define TMIO_SD_CAP_RCAR \
135 (TMIO_SD_CAP_RCAR_GEN2 | TMIO_SD_CAP_RCAR_GEN3)
136 struct udevice *vqmmc_dev;
137 #if CONFIG_IS_ENABLED(CLK)
141 #if IS_ENABLED(CONFIG_RENESAS_SDHI)
146 bool needs_adjust_hs400;
147 bool adjust_hs400_enable;
148 u8 adjust_hs400_offset;
149 u8 adjust_hs400_calibrate;
151 const u8 *adjust_hs400_calib_table;
153 bool needs_clkh_fallback;
155 ulong (*clk_get_rate)(struct tmio_sd_priv *);
158 int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
159 struct mmc_data *data);
160 int tmio_sd_set_ios(struct udevice *dev);
161 int tmio_sd_get_cd(struct udevice *dev);
163 int tmio_sd_bind(struct udevice *dev);
164 int tmio_sd_probe(struct udevice *dev, u32 quirks);
166 u32 tmio_sd_readl(struct tmio_sd_priv *priv, unsigned int reg);
167 void tmio_sd_writel(struct tmio_sd_priv *priv,
168 u32 val, unsigned int reg);
170 #endif /* __TMIO_COMMON_H__ */