blob: 6214cc14586dac167b636222477c0847b122fa5f [file] [log] [blame]
Jun Nie988e3b62018-06-28 16:38:02 +08001/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#ifndef __IMX_USDHC_H__
8#define __IMX_USDHC_H__
9
10#include <mmc.h>
11
12typedef struct imx_usdhc_params {
13 uintptr_t reg_base;
14 int clk_rate;
15 int bus_width;
16 unsigned int flags;
17} imx_usdhc_params_t;
18
19void imx_usdhc_init(imx_usdhc_params_t *params,
20 struct mmc_device_info *mmc_dev_info);
21
22/* iMX MMC registers definition */
23#define DSADDR 0x000
24#define BLKATT 0x004
25#define CMDARG 0x008
26#define CMDRSP0 0x010
27#define CMDRSP1 0x014
28#define CMDRSP2 0x018
29#define CMDRSP3 0x01c
30
31#define XFERTYPE 0x00c
32#define XFERTYPE_CMD(x) (((x) & 0x3f) << 24)
33#define XFERTYPE_CMDTYP_ABORT (3 << 22)
34#define XFERTYPE_DPSEL BIT(21)
35#define XFERTYPE_CICEN BIT(20)
36#define XFERTYPE_CCCEN BIT(19)
37#define XFERTYPE_RSPTYP_136 BIT(16)
38#define XFERTYPE_RSPTYP_48 BIT(17)
39#define XFERTYPE_RSPTYP_48_BUSY (BIT(16) | BIT(17))
40
41#define PSTATE 0x024
42#define PSTATE_DAT0 BIT(24)
43#define PSTATE_DLA BIT(2)
44#define PSTATE_CDIHB BIT(1)
45#define PSTATE_CIHB BIT(0)
46
47#define PROTCTRL 0x028
48#define PROTCTRL_LE BIT(5)
49#define PROTCTRL_WIDTH_4 BIT(1)
50#define PROTCTRL_WIDTH_8 BIT(2)
51#define PROTCTRL_WIDTH_MASK 0x6
52
53#define SYSCTRL 0x02c
54#define SYSCTRL_RSTD BIT(26)
55#define SYSCTRL_RSTC BIT(25)
56#define SYSCTRL_RSTA BIT(24)
57#define SYSCTRL_CLOCK_MASK 0x0000fff0
58#define SYSCTRL_TIMEOUT_MASK 0x000f0000
59#define SYSCTRL_TIMEOUT(x) ((0xf & (x)) << 16)
60
61#define INTSTAT 0x030
62#define INTSTAT_DMAE BIT(28)
63#define INTSTAT_DEBE BIT(22)
64#define INTSTAT_DCE BIT(21)
65#define INTSTAT_DTOE BIT(20)
66#define INTSTAT_CIE BIT(19)
67#define INTSTAT_CEBE BIT(18)
68#define INTSTAT_CCE BIT(17)
69#define INTSTAT_DINT BIT(3)
70#define INTSTAT_BGE BIT(2)
71#define INTSTAT_TC BIT(1)
72#define INTSTAT_CC BIT(0)
73#define CMD_ERR (INTSTAT_CIE | INTSTAT_CEBE | INTSTAT_CCE)
74#define DATA_ERR (INTSTAT_DMAE | INTSTAT_DEBE | INTSTAT_DCE | \
75 INTSTAT_DTOE)
76#define DATA_COMPLETE (INTSTAT_DINT | INTSTAT_TC)
77
78#define INTSTATEN 0x034
79#define INTSTATEN_DEBE BIT(22)
80#define INTSTATEN_DCE BIT(21)
81#define INTSTATEN_DTOE BIT(20)
82#define INTSTATEN_CIE BIT(19)
83#define INTSTATEN_CEBE BIT(18)
84#define INTSTATEN_CCE BIT(17)
85#define INTSTATEN_CTOE BIT(16)
86#define INTSTATEN_CINT BIT(8)
87#define INTSTATEN_BRR BIT(5)
88#define INTSTATEN_BWR BIT(4)
89#define INTSTATEN_DINT BIT(3)
90#define INTSTATEN_TC BIT(1)
91#define INTSTATEN_CC BIT(0)
92#define EMMC_INTSTATEN_BITS (INTSTATEN_CC | INTSTATEN_TC | INTSTATEN_DINT | \
93 INTSTATEN_BWR | INTSTATEN_BRR | INTSTATEN_CINT | \
94 INTSTATEN_CTOE | INTSTATEN_CCE | INTSTATEN_CEBE | \
95 INTSTATEN_CIE | INTSTATEN_DTOE | INTSTATEN_DCE | \
96 INTSTATEN_DEBE)
97
98#define INTSIGEN 0x038
99
100#define WATERMARKLEV 0x044
101#define WMKLV_RD_MASK 0xff
102#define WMKLV_WR_MASK 0x00ff0000
103#define WMKLV_MASK (WMKLV_RD_MASK | WMKLV_WR_MASK)
104
105#define MIXCTRL 0x048
106#define MIXCTRL_MSBSEL BIT(5)
107#define MIXCTRL_DTDSEL BIT(4)
108#define MIXCTRL_DDREN BIT(3)
109#define MIXCTRL_AC12EN BIT(2)
110#define MIXCTRL_BCEN BIT(1)
111#define MIXCTRL_DMAEN BIT(0)
112#define MIXCTRL_DATMASK 0x7f
113
114#define DLLCTRL 0x060
115
116#define CLKTUNECTRLSTS 0x068
117
118#define VENDSPEC 0x0c0
119#define VENDSPEC_RSRV1 BIT(29)
120#define VENDSPEC_CARD_CLKEN BIT(14)
121#define VENDSPEC_PER_CLKEN BIT(13)
122#define VENDSPEC_AHB_CLKEN BIT(12)
123#define VENDSPEC_IPG_CLKEN BIT(11)
124#define VENDSPEC_AC12_CHKBUSY BIT(3)
125#define VENDSPEC_EXTDMA BIT(0)
126#define VENDSPEC_INIT (VENDSPEC_RSRV1 | VENDSPEC_CARD_CLKEN | \
127 VENDSPEC_PER_CLKEN | VENDSPEC_AHB_CLKEN | \
128 VENDSPEC_IPG_CLKEN | VENDSPEC_AC12_CHKBUSY | \
129 VENDSPEC_EXTDMA)
130
131#define MMCBOOT 0x0c4
132
133#define mmio_clrsetbits32(addr, clear, set) mmio_write_32(addr, (mmio_read_32(addr) & ~(clear)) | (set))
134#define mmio_clrbits32(addr, clear) mmio_write_32(addr, mmio_read_32(addr) & ~(clear))
135#define mmio_setbits32(addr, set) mmio_write_32(addr, mmio_read_32(addr) | (set))
136
137#endif /* __IMX_USDHC_H__ */