aboutsummaryrefslogtreecommitdiff
path: root/drivers/mmc/host/meson-mx-sdhc.h
blob: 230e8fbe6b3f65413263de3ea3a35240a5b8c3c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
 */

#ifndef _MESON_MX_SDHC_H_
#define _MESON_MX_SDHC_H_

#include <linux/bitfield.h>

#define MESON_SDHC_ARGU						0x00

#define MESON_SDHC_SEND						0x04
	#define MESON_SDHC_SEND_CMD_INDEX			GENMASK(5, 0)
	#define MESON_SDHC_SEND_CMD_HAS_RESP			BIT(6)
	#define MESON_SDHC_SEND_CMD_HAS_DATA			BIT(7)
	#define MESON_SDHC_SEND_RESP_LEN			BIT(8)
	#define MESON_SDHC_SEND_RESP_NO_CRC			BIT(9)
	#define MESON_SDHC_SEND_DATA_DIR			BIT(10)
	#define MESON_SDHC_SEND_DATA_STOP			BIT(11)
	#define MESON_SDHC_SEND_R1B				BIT(12)
	#define MESON_SDHC_SEND_TOTAL_PACK			GENMASK(31, 16)

#define MESON_SDHC_CTRL						0x08
	#define MESON_SDHC_CTRL_DAT_TYPE			GENMASK(1, 0)
	#define MESON_SDHC_CTRL_DDR_MODE			BIT(2)
	#define MESON_SDHC_CTRL_TX_CRC_NOCHECK			BIT(3)
	#define MESON_SDHC_CTRL_PACK_LEN			GENMASK(12, 4)
	#define MESON_SDHC_CTRL_RX_TIMEOUT			GENMASK(19, 13)
	#define MESON_SDHC_CTRL_RX_PERIOD			GENMASK(23, 20)
	#define MESON_SDHC_CTRL_RX_ENDIAN			GENMASK(26, 24)
	#define MESON_SDHC_CTRL_SDIO_IRQ_MODE			BIT(27)
	#define MESON_SDHC_CTRL_DAT0_IRQ_SEL			BIT(28)
	#define MESON_SDHC_CTRL_TX_ENDIAN			GENMASK(31, 29)

#define MESON_SDHC_STAT						0x0c
	#define MESON_SDHC_STAT_CMD_BUSY			BIT(0)
	#define MESON_SDHC_STAT_DAT3_0				GENMASK(4, 1)
	#define MESON_SDHC_STAT_CMD				BIT(5)
	#define MESON_SDHC_STAT_RXFIFO_CNT			GENMASK(12, 6)
	#define MESON_SDHC_STAT_TXFIFO_CNT			GENMASK(19, 13)
	#define MESON_SDHC_STAT_DAT7_4				GENMASK(23, 20)

#define MESON_SDHC_CLKC						0x10
	#define MESON_SDHC_CLKC_CLK_DIV				GENMASK(11, 0)
	#define MESON_SDHC_CLKC_CLK_JIC				BIT(24)
	#define MESON_SDHC_CLKC_MEM_PWR_OFF			GENMASK(26, 25)

#define MESON_SDHC_ADDR						0x14

#define MESON_SDHC_PDMA						0x18
	#define MESON_SDHC_PDMA_DMA_MODE			BIT(0)
	#define MESON_SDHC_PDMA_PIO_RDRESP			GENMASK(3, 1)
	#define MESON_SDHC_PDMA_DMA_URGENT			BIT(4)
	#define MESON_SDHC_PDMA_WR_BURST			GENMASK(9, 5)
	#define MESON_SDHC_PDMA_RD_BURST			GENMASK(14, 10)
	#define MESON_SDHC_PDMA_RXFIFO_TH			GENMASK(21, 15)
	#define MESON_SDHC_PDMA_TXFIFO_TH			GENMASK(28, 22)
	#define MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH		GENMASK(30, 29)
	#define MESON_SDHC_PDMA_TXFIFO_FILL			BIT(31)

#define MESON_SDHC_MISC						0x1c
	#define MESON_SDHC_MISC_WCRC_ERR_PATT			GENMASK(6, 4)
	#define MESON_SDHC_MISC_WCRC_OK_PATT			GENMASK(9, 7)
	#define MESON_SDHC_MISC_BURST_NUM			GENMASK(21, 16)
	#define MESON_SDHC_MISC_THREAD_ID			GENMASK(27, 22)
	#define MESON_SDHC_MISC_MANUAL_STOP			BIT(28)
	#define MESON_SDHC_MISC_TXSTART_THRES			GENMASK(31, 29)

#define MESON_SDHC_DATA						0x20

#define MESON_SDHC_ICTL						0x24
	#define MESON_SDHC_ICTL_RESP_OK				BIT(0)
	#define MESON_SDHC_ICTL_RESP_TIMEOUT			BIT(1)
	#define MESON_SDHC_ICTL_RESP_ERR_CRC			BIT(2)
	#define MESON_SDHC_ICTL_RESP_OK_NOCLEAR			BIT(3)
	#define MESON_SDHC_ICTL_DATA_1PACK_OK			BIT(4)
	#define MESON_SDHC_ICTL_DATA_TIMEOUT			BIT(5)
	#define MESON_SDHC_ICTL_DATA_ERR_CRC			BIT(6)
	#define MESON_SDHC_ICTL_DATA_XFER_OK			BIT(7)
	#define MESON_SDHC_ICTL_RX_HIGHER			BIT(8)
	#define MESON_SDHC_ICTL_RX_LOWER			BIT(9)
	#define MESON_SDHC_ICTL_DAT1_IRQ			BIT(10)
	#define MESON_SDHC_ICTL_DMA_DONE			BIT(11)
	#define MESON_SDHC_ICTL_RXFIFO_FULL			BIT(12)
	#define MESON_SDHC_ICTL_TXFIFO_EMPTY			BIT(13)
	#define MESON_SDHC_ICTL_ADDI_DAT1_IRQ			BIT(14)
	#define MESON_SDHC_ICTL_ALL_IRQS			GENMASK(14, 0)
	#define MESON_SDHC_ICTL_DAT1_IRQ_DELAY			GENMASK(17, 16)

#define MESON_SDHC_ISTA						0x28
	#define MESON_SDHC_ISTA_RESP_OK				BIT(0)
	#define MESON_SDHC_ISTA_RESP_TIMEOUT			BIT(1)
	#define MESON_SDHC_ISTA_RESP_ERR_CRC			BIT(2)
	#define MESON_SDHC_ISTA_RESP_OK_NOCLEAR			BIT(3)
	#define MESON_SDHC_ISTA_DATA_1PACK_OK			BIT(4)
	#define MESON_SDHC_ISTA_DATA_TIMEOUT			BIT(5)
	#define MESON_SDHC_ISTA_DATA_ERR_CRC			BIT(6)
	#define MESON_SDHC_ISTA_DATA_XFER_OK			BIT(7)
	#define MESON_SDHC_ISTA_RX_HIGHER			BIT(8)
	#define MESON_SDHC_ISTA_RX_LOWER			BIT(9)
	#define MESON_SDHC_ISTA_DAT1_IRQ			BIT(10)
	#define MESON_SDHC_ISTA_DMA_DONE			BIT(11)
	#define MESON_SDHC_ISTA_RXFIFO_FULL			BIT(12)
	#define MESON_SDHC_ISTA_TXFIFO_EMPTY			BIT(13)
	#define MESON_SDHC_ISTA_ADDI_DAT1_IRQ			BIT(14)
	#define MESON_SDHC_ISTA_ALL_IRQS			GENMASK(14, 0)

#define MESON_SDHC_SRST						0x2c
	#define MESON_SDHC_SRST_MAIN_CTRL			BIT(0)
	#define MESON_SDHC_SRST_RXFIFO				BIT(1)
	#define MESON_SDHC_SRST_TXFIFO				BIT(2)
	#define MESON_SDHC_SRST_DPHY_RX				BIT(3)
	#define MESON_SDHC_SRST_DPHY_TX				BIT(4)
	#define MESON_SDHC_SRST_DMA_IF				BIT(5)

#define MESON_SDHC_ESTA						0x30
	#define MESON_SDHC_ESTA_11_13				GENMASK(13, 11)

#define MESON_SDHC_ENHC						0x34
	#define MESON_SDHC_ENHC_MESON8M2_WRRSP_MODE		BIT(0)
	#define MESON_SDHC_ENHC_MESON8M2_CHK_WRRSP		BIT(1)
	#define MESON_SDHC_ENHC_MESON8M2_CHK_DMA		BIT(2)
	#define MESON_SDHC_ENHC_MESON8M2_DEBUG			GENMASK(5, 3)
	#define MESON_SDHC_ENHC_MESON6_RX_TIMEOUT		GENMASK(7, 0)
	#define MESON_SDHC_ENHC_MESON6_DMA_RD_RESP		BIT(16)
	#define MESON_SDHC_ENHC_MESON6_DMA_WR_RESP		BIT(17)
	#define MESON_SDHC_ENHC_SDIO_IRQ_PERIOD			GENMASK(15, 8)
	#define MESON_SDHC_ENHC_RXFIFO_TH			GENMASK(24, 18)
	#define MESON_SDHC_ENHC_TXFIFO_TH			GENMASK(31, 25)

#define MESON_SDHC_CLK2						0x38
	#define MESON_SDHC_CLK2_RX_CLK_PHASE			GENMASK(11, 0)
	#define MESON_SDHC_CLK2_SD_CLK_PHASE			GENMASK(23, 12)

struct clk_bulk_data;

int meson_mx_sdhc_register_clkc(struct device *dev, void __iomem *base,
				struct clk_bulk_data *clk_bulk_data);

#endif /* _MESON_MX_SDHC_H_ */