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57418d21 SP |
1 | /* |
2 | * Davinci MMC Controller Defines - Based on Linux davinci_mmc.c | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments Incorporated | |
5 | * | |
1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
57418d21 SP |
7 | */ |
8 | ||
9 | #ifndef _SDMMC_DEFS_H_ | |
10 | #define _SDMMC_DEFS_H_ | |
11 | ||
12 | #include <asm/arch/hardware.h> | |
13 | ||
14 | /* MMC Control Reg fields */ | |
15 | #define MMCCTL_DATRST (1 << 0) | |
16 | #define MMCCTL_CMDRST (1 << 1) | |
17 | #define MMCCTL_WIDTH_4_BIT (1 << 2) | |
18 | #define MMCCTL_DATEG_DISABLED (0 << 6) | |
19 | #define MMCCTL_DATEG_RISING (1 << 6) | |
20 | #define MMCCTL_DATEG_FALLING (2 << 6) | |
21 | #define MMCCTL_DATEG_BOTH (3 << 6) | |
22 | #define MMCCTL_PERMDR_LE (0 << 9) | |
23 | #define MMCCTL_PERMDR_BE (1 << 9) | |
24 | #define MMCCTL_PERMDX_LE (0 << 10) | |
25 | #define MMCCTL_PERMDX_BE (1 << 10) | |
26 | ||
27 | /* MMC Clock Control Reg fields */ | |
28 | #define MMCCLK_CLKEN (1 << 8) | |
29 | #define MMCCLK_CLKRT_MASK (0xFF << 0) | |
30 | ||
31 | /* MMC Status Reg0 fields */ | |
32 | #define MMCST0_DATDNE (1 << 0) | |
33 | #define MMCST0_BSYDNE (1 << 1) | |
34 | #define MMCST0_RSPDNE (1 << 2) | |
35 | #define MMCST0_TOUTRD (1 << 3) | |
36 | #define MMCST0_TOUTRS (1 << 4) | |
37 | #define MMCST0_CRCWR (1 << 5) | |
38 | #define MMCST0_CRCRD (1 << 6) | |
39 | #define MMCST0_CRCRS (1 << 7) | |
40 | #define MMCST0_DXRDY (1 << 9) | |
41 | #define MMCST0_DRRDY (1 << 10) | |
42 | #define MMCST0_DATED (1 << 11) | |
43 | #define MMCST0_TRNDNE (1 << 12) | |
44 | ||
45 | #define MMCST0_ERR_MASK (0x00F8) | |
46 | ||
47 | /* MMC Status Reg1 fields */ | |
48 | #define MMCST1_BUSY (1 << 0) | |
49 | #define MMCST1_CLKSTP (1 << 1) | |
50 | #define MMCST1_DXEMP (1 << 2) | |
51 | #define MMCST1_DRFUL (1 << 3) | |
52 | #define MMCST1_DAT3ST (1 << 4) | |
53 | #define MMCST1_FIFOEMP (1 << 5) | |
54 | #define MMCST1_FIFOFUL (1 << 6) | |
55 | ||
56 | /* MMC INT Mask Reg fields */ | |
57 | #define MMCIM_EDATDNE (1 << 0) | |
58 | #define MMCIM_EBSYDNE (1 << 1) | |
59 | #define MMCIM_ERSPDNE (1 << 2) | |
60 | #define MMCIM_ETOUTRD (1 << 3) | |
61 | #define MMCIM_ETOUTRS (1 << 4) | |
62 | #define MMCIM_ECRCWR (1 << 5) | |
63 | #define MMCIM_ECRCRD (1 << 6) | |
64 | #define MMCIM_ECRCRS (1 << 7) | |
65 | #define MMCIM_EDXRDY (1 << 9) | |
66 | #define MMCIM_EDRRDY (1 << 10) | |
67 | #define MMCIM_EDATED (1 << 11) | |
68 | #define MMCIM_ETRNDNE (1 << 12) | |
69 | ||
70 | #define MMCIM_MASKALL (0xFFFFFFFF) | |
71 | ||
72 | /* MMC Resp Tout Reg fields */ | |
73 | #define MMCTOR_TOR_MASK (0xFF) /* dont write to reg, | it */ | |
74 | #define MMCTOR_TOD_20_16_SHIFT (8) | |
75 | ||
76 | /* MMC Data Read Tout Reg fields */ | |
77 | #define MMCTOD_TOD_0_15_MASK (0xFFFF) | |
78 | ||
79 | /* MMC Block len Reg fields */ | |
80 | #define MMCBLEN_BLEN_MASK (0xFFF) | |
81 | ||
82 | /* MMC Num Blocks Reg fields */ | |
83 | #define MMCNBLK_NBLK_MASK (0xFFFF) | |
84 | #define MMCNBLK_NBLK_MAX (0xFFFF) | |
85 | ||
86 | /* MMC Num Blocks Counter Reg fields */ | |
87 | #define MMCNBLC_NBLC_MASK (0xFFFF) | |
88 | ||
89 | /* MMC Cmd Reg fields */ | |
90 | #define MMCCMD_CMD_MASK (0x3F) | |
91 | #define MMCCMD_PPLEN (1 << 7) | |
92 | #define MMCCMD_BSYEXP (1 << 8) | |
93 | #define MMCCMD_RSPFMT_NONE (0 << 9) | |
94 | #define MMCCMD_RSPFMT_R1567 (1 << 9) | |
95 | #define MMCCMD_RSPFMT_R2 (2 << 9) | |
96 | #define MMCCMD_RSPFMT_R3 (3 << 9) | |
97 | #define MMCCMD_DTRW (1 << 11) | |
98 | #define MMCCMD_STRMTP (1 << 12) | |
99 | #define MMCCMD_WDATX (1 << 13) | |
100 | #define MMCCMD_INITCK (1 << 14) | |
101 | #define MMCCMD_DCLR (1 << 15) | |
102 | #define MMCCMD_DMATRIG (1 << 16) | |
103 | ||
104 | /* FIFO control Reg fields */ | |
105 | #define MMCFIFOCTL_FIFORST (1 << 0) | |
106 | #define MMCFIFOCTL_FIFODIR (1 << 1) | |
107 | #define MMCFIFOCTL_FIFOLEV (1 << 2) | |
108 | #define MMCFIFOCTL_ACCWD_4 (0 << 3) /* access width of 4 bytes */ | |
109 | #define MMCFIFOCTL_ACCWD_3 (1 << 3) /* access width of 3 bytes */ | |
110 | #define MMCFIFOCTL_ACCWD_2 (2 << 3) /* access width of 2 bytes */ | |
111 | #define MMCFIFOCTL_ACCWD_1 (3 << 3) /* access width of 1 byte */ | |
112 | ||
113 | /* Davinci MMC Register definitions */ | |
114 | struct davinci_mmc_regs { | |
115 | dv_reg mmcctl; | |
116 | dv_reg mmcclk; | |
117 | dv_reg mmcst0; | |
118 | dv_reg mmcst1; | |
119 | dv_reg mmcim; | |
120 | dv_reg mmctor; | |
121 | dv_reg mmctod; | |
122 | dv_reg mmcblen; | |
123 | dv_reg mmcnblk; | |
124 | dv_reg mmcnblc; | |
125 | dv_reg mmcdrr; | |
126 | dv_reg mmcdxr; | |
127 | dv_reg mmccmd; | |
128 | dv_reg mmcarghl; | |
129 | dv_reg mmcrsp01; | |
130 | dv_reg mmcrsp23; | |
131 | dv_reg mmcrsp45; | |
132 | dv_reg mmcrsp67; | |
133 | dv_reg mmcdrsp; | |
134 | dv_reg mmcetok; | |
135 | dv_reg mmccidx; | |
136 | dv_reg mmcckc; | |
137 | dv_reg mmctorc; | |
138 | dv_reg mmctodc; | |
139 | dv_reg mmcblnc; | |
140 | dv_reg sdioctl; | |
141 | dv_reg sdiost0; | |
142 | dv_reg sdioien; | |
143 | dv_reg sdioist; | |
144 | dv_reg mmcfifoctl; | |
145 | }; | |
146 | ||
147 | /* Davinci MMC board definitions */ | |
148 | struct davinci_mmc { | |
149 | struct davinci_mmc_regs *reg_base; /* Register base address */ | |
150 | uint input_clk; /* Input clock to MMC controller */ | |
151 | uint host_caps; /* Host capabilities */ | |
152 | uint voltages; /* Host supported voltages */ | |
153 | uint version; /* MMC Controller version */ | |
93bfd616 | 154 | struct mmc_config cfg; |
57418d21 SP |
155 | }; |
156 | ||
157 | enum { | |
158 | MMC_CTLR_VERSION_1 = 0, /* DM644x and DM355 */ | |
159 | MMC_CTLR_VERSION_2, /* DA830 */ | |
160 | }; | |
161 | ||
162 | int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host); | |
163 | ||
164 | #endif /* _SDMMC_DEFS_H */ |