xref: /openbmc/u-boot/include/fsl_esdhc.h (revision 8a00061e)
1 /*
2  * FSL SD/MMC Defines
3  *-------------------------------------------------------------------
4  *
5  * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  *
22  *-------------------------------------------------------------------
23  *
24  */
25 
26 #ifndef  __FSL_ESDHC_H__
27 #define	__FSL_ESDHC_H__
28 
29 #include <asm/errno.h>
30 #include <asm/byteorder.h>
31 
32 /* FSL eSDHC-specific constants */
33 #define SYSCTL			0x0002e02c
34 #define SYSCTL_INITA		0x08000000
35 #define SYSCTL_TIMEOUT_MASK	0x000f0000
36 #define SYSCTL_CLOCK_MASK	0x0000fff0
37 #define SYSCTL_CKEN		0x00000008
38 #define SYSCTL_PEREN		0x00000004
39 #define SYSCTL_HCKEN		0x00000002
40 #define SYSCTL_IPGEN		0x00000001
41 #define SYSCTL_RSTA		0x01000000
42 #define SYSCTL_RSTC		0x02000000
43 #define SYSCTL_RSTD		0x04000000
44 
45 #define IRQSTAT			0x0002e030
46 #define IRQSTAT_DMAE		(0x10000000)
47 #define IRQSTAT_AC12E		(0x01000000)
48 #define IRQSTAT_DEBE		(0x00400000)
49 #define IRQSTAT_DCE		(0x00200000)
50 #define IRQSTAT_DTOE		(0x00100000)
51 #define IRQSTAT_CIE		(0x00080000)
52 #define IRQSTAT_CEBE		(0x00040000)
53 #define IRQSTAT_CCE		(0x00020000)
54 #define IRQSTAT_CTOE		(0x00010000)
55 #define IRQSTAT_CINT		(0x00000100)
56 #define IRQSTAT_CRM		(0x00000080)
57 #define IRQSTAT_CINS		(0x00000040)
58 #define IRQSTAT_BRR		(0x00000020)
59 #define IRQSTAT_BWR		(0x00000010)
60 #define IRQSTAT_DINT		(0x00000008)
61 #define IRQSTAT_BGE		(0x00000004)
62 #define IRQSTAT_TC		(0x00000002)
63 #define IRQSTAT_CC		(0x00000001)
64 
65 #define CMD_ERR		(IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
66 #define DATA_ERR	(IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
67 				IRQSTAT_DMAE)
68 #define DATA_COMPLETE	(IRQSTAT_TC | IRQSTAT_DINT)
69 
70 #define IRQSTATEN		0x0002e034
71 #define IRQSTATEN_DMAE		(0x10000000)
72 #define IRQSTATEN_AC12E		(0x01000000)
73 #define IRQSTATEN_DEBE		(0x00400000)
74 #define IRQSTATEN_DCE		(0x00200000)
75 #define IRQSTATEN_DTOE		(0x00100000)
76 #define IRQSTATEN_CIE		(0x00080000)
77 #define IRQSTATEN_CEBE		(0x00040000)
78 #define IRQSTATEN_CCE		(0x00020000)
79 #define IRQSTATEN_CTOE		(0x00010000)
80 #define IRQSTATEN_CINT		(0x00000100)
81 #define IRQSTATEN_CRM		(0x00000080)
82 #define IRQSTATEN_CINS		(0x00000040)
83 #define IRQSTATEN_BRR		(0x00000020)
84 #define IRQSTATEN_BWR		(0x00000010)
85 #define IRQSTATEN_DINT		(0x00000008)
86 #define IRQSTATEN_BGE		(0x00000004)
87 #define IRQSTATEN_TC		(0x00000002)
88 #define IRQSTATEN_CC		(0x00000001)
89 
90 #define PRSSTAT			0x0002e024
91 #define PRSSTAT_DAT0		(0x01000000)
92 #define PRSSTAT_CLSL		(0x00800000)
93 #define PRSSTAT_WPSPL		(0x00080000)
94 #define PRSSTAT_CDPL		(0x00040000)
95 #define PRSSTAT_CINS		(0x00010000)
96 #define PRSSTAT_BREN		(0x00000800)
97 #define PRSSTAT_BWEN		(0x00000400)
98 #define PRSSTAT_DLA		(0x00000004)
99 #define PRSSTAT_CICHB		(0x00000002)
100 #define PRSSTAT_CIDHB		(0x00000001)
101 
102 #define PROCTL			0x0002e028
103 #define PROCTL_INIT		0x00000020
104 #define PROCTL_DTW_4		0x00000002
105 #define PROCTL_DTW_8		0x00000004
106 
107 #define CMDARG			0x0002e008
108 
109 #define XFERTYP			0x0002e00c
110 #define XFERTYP_CMD(x)		((x & 0x3f) << 24)
111 #define XFERTYP_CMDTYP_NORMAL	0x0
112 #define XFERTYP_CMDTYP_SUSPEND	0x00400000
113 #define XFERTYP_CMDTYP_RESUME	0x00800000
114 #define XFERTYP_CMDTYP_ABORT	0x00c00000
115 #define XFERTYP_DPSEL		0x00200000
116 #define XFERTYP_CICEN		0x00100000
117 #define XFERTYP_CCCEN		0x00080000
118 #define XFERTYP_RSPTYP_NONE	0
119 #define XFERTYP_RSPTYP_136	0x00010000
120 #define XFERTYP_RSPTYP_48	0x00020000
121 #define XFERTYP_RSPTYP_48_BUSY	0x00030000
122 #define XFERTYP_MSBSEL		0x00000020
123 #define XFERTYP_DTDSEL		0x00000010
124 #define XFERTYP_AC12EN		0x00000004
125 #define XFERTYP_BCEN		0x00000002
126 #define XFERTYP_DMAEN		0x00000001
127 
128 #define CINS_TIMEOUT		1000
129 #define PIO_TIMEOUT		100000
130 
131 #define DSADDR		0x2e004
132 
133 #define CMDRSP0		0x2e010
134 #define CMDRSP1		0x2e014
135 #define CMDRSP2		0x2e018
136 #define CMDRSP3		0x2e01c
137 
138 #define DATPORT		0x2e020
139 
140 #define WML		0x2e044
141 #define WML_WRITE	0x00010000
142 #ifdef CONFIG_FSL_SDHC_V2_3
143 #define WML_RD_WML_MAX		0x80
144 #define WML_WR_WML_MAX		0x80
145 #define WML_RD_WML_MAX_VAL	0x0
146 #define WML_WR_WML_MAX_VAL	0x0
147 #define WML_RD_WML_MASK		0x7f
148 #define WML_WR_WML_MASK		0x7f0000
149 #else
150 #define WML_RD_WML_MAX		0x10
151 #define WML_WR_WML_MAX		0x80
152 #define WML_RD_WML_MAX_VAL	0x10
153 #define WML_WR_WML_MAX_VAL	0x80
154 #define WML_RD_WML_MASK	0xff
155 #define WML_WR_WML_MASK	0xff0000
156 #endif
157 
158 #define BLKATTR		0x2e004
159 #define BLKATTR_CNT(x)	((x & 0xffff) << 16)
160 #define BLKATTR_SIZE(x)	(x & 0x1fff)
161 #define MAX_BLK_CNT	0x7fff	/* so malloc will have enough room with 32M */
162 
163 #define ESDHC_HOSTCAPBLT_VS18	0x04000000
164 #define ESDHC_HOSTCAPBLT_VS30	0x02000000
165 #define ESDHC_HOSTCAPBLT_VS33	0x01000000
166 #define ESDHC_HOSTCAPBLT_SRS	0x00800000
167 #define ESDHC_HOSTCAPBLT_DMAS	0x00400000
168 #define ESDHC_HOSTCAPBLT_HSS	0x00200000
169 
170 struct fsl_esdhc_cfg {
171 	u32	esdhc_base;
172 	u32	sdhc_clk;
173 	u8	max_bus_width;
174 };
175 
176 /* Select the correct accessors depending on endianess */
177 #if __BYTE_ORDER == __LITTLE_ENDIAN
178 #define esdhc_read32		in_le32
179 #define esdhc_write32		out_le32
180 #define esdhc_clrsetbits32	clrsetbits_le32
181 #define esdhc_clrbits32		clrbits_le32
182 #define esdhc_setbits32		setbits_le32
183 #elif __BYTE_ORDER == __BIG_ENDIAN
184 #define esdhc_read32		in_be32
185 #define esdhc_write32		out_be32
186 #define esdhc_clrsetbits32	clrsetbits_be32
187 #define esdhc_clrbits32		clrbits_be32
188 #define esdhc_setbits32		setbits_be32
189 #else
190 #error "Endianess is not defined: please fix to continue"
191 #endif
192 
193 #ifdef CONFIG_FSL_ESDHC
194 int fsl_esdhc_mmc_init(bd_t *bis);
195 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
196 void fdt_fixup_esdhc(void *blob, bd_t *bd);
197 #else
198 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
199 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
200 #endif /* CONFIG_FSL_ESDHC */
201 
202 #endif  /* __FSL_ESDHC_H__ */
203