3 *-------------------------------------------------------------------
5 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
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.
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.
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,
22 *-------------------------------------------------------------------
26 #ifndef __FSL_ESDHC_H__
27 #define __FSL_ESDHC_H__
29 #include <asm/errno.h>
30 #include <asm/byteorder.h>
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
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)
65 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
66 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE)
68 #define IRQSTATEN 0x0002e034
69 #define IRQSTATEN_DMAE (0x10000000)
70 #define IRQSTATEN_AC12E (0x01000000)
71 #define IRQSTATEN_DEBE (0x00400000)
72 #define IRQSTATEN_DCE (0x00200000)
73 #define IRQSTATEN_DTOE (0x00100000)
74 #define IRQSTATEN_CIE (0x00080000)
75 #define IRQSTATEN_CEBE (0x00040000)
76 #define IRQSTATEN_CCE (0x00020000)
77 #define IRQSTATEN_CTOE (0x00010000)
78 #define IRQSTATEN_CINT (0x00000100)
79 #define IRQSTATEN_CRM (0x00000080)
80 #define IRQSTATEN_CINS (0x00000040)
81 #define IRQSTATEN_BRR (0x00000020)
82 #define IRQSTATEN_BWR (0x00000010)
83 #define IRQSTATEN_DINT (0x00000008)
84 #define IRQSTATEN_BGE (0x00000004)
85 #define IRQSTATEN_TC (0x00000002)
86 #define IRQSTATEN_CC (0x00000001)
88 #define PRSSTAT 0x0002e024
89 #define PRSSTAT_DAT0 (0x01000000)
90 #define PRSSTAT_CLSL (0x00800000)
91 #define PRSSTAT_WPSPL (0x00080000)
92 #define PRSSTAT_CDPL (0x00040000)
93 #define PRSSTAT_CINS (0x00010000)
94 #define PRSSTAT_BREN (0x00000800)
95 #define PRSSTAT_BWEN (0x00000400)
96 #define PRSSTAT_DLA (0x00000004)
97 #define PRSSTAT_CICHB (0x00000002)
98 #define PRSSTAT_CIDHB (0x00000001)
100 #define PROCTL 0x0002e028
101 #define PROCTL_INIT 0x00000020
102 #define PROCTL_DTW_4 0x00000002
103 #define PROCTL_DTW_8 0x00000004
105 #define CMDARG 0x0002e008
107 #define XFERTYP 0x0002e00c
108 #define XFERTYP_CMD(x) ((x & 0x3f) << 24)
109 #define XFERTYP_CMDTYP_NORMAL 0x0
110 #define XFERTYP_CMDTYP_SUSPEND 0x00400000
111 #define XFERTYP_CMDTYP_RESUME 0x00800000
112 #define XFERTYP_CMDTYP_ABORT 0x00c00000
113 #define XFERTYP_DPSEL 0x00200000
114 #define XFERTYP_CICEN 0x00100000
115 #define XFERTYP_CCCEN 0x00080000
116 #define XFERTYP_RSPTYP_NONE 0
117 #define XFERTYP_RSPTYP_136 0x00010000
118 #define XFERTYP_RSPTYP_48 0x00020000
119 #define XFERTYP_RSPTYP_48_BUSY 0x00030000
120 #define XFERTYP_MSBSEL 0x00000020
121 #define XFERTYP_DTDSEL 0x00000010
122 #define XFERTYP_AC12EN 0x00000004
123 #define XFERTYP_BCEN 0x00000002
124 #define XFERTYP_DMAEN 0x00000001
126 #define CINS_TIMEOUT 1000
127 #define PIO_TIMEOUT 100000
129 #define DSADDR 0x2e004
131 #define CMDRSP0 0x2e010
132 #define CMDRSP1 0x2e014
133 #define CMDRSP2 0x2e018
134 #define CMDRSP3 0x2e01c
136 #define DATPORT 0x2e020
139 #define WML_WRITE 0x00010000
140 #ifdef CONFIG_FSL_SDHC_V2_3
141 #define WML_RD_WML_MAX 0x80
142 #define WML_WR_WML_MAX 0x80
143 #define WML_RD_WML_MAX_VAL 0x0
144 #define WML_WR_WML_MAX_VAL 0x0
145 #define WML_RD_WML_MASK 0x7f
146 #define WML_WR_WML_MASK 0x7f0000
148 #define WML_RD_WML_MAX 0x10
149 #define WML_WR_WML_MAX 0x80
150 #define WML_RD_WML_MAX_VAL 0x10
151 #define WML_WR_WML_MAX_VAL 0x80
152 #define WML_RD_WML_MASK 0xff
153 #define WML_WR_WML_MASK 0xff0000
156 #define BLKATTR 0x2e004
157 #define BLKATTR_CNT(x) ((x & 0xffff) << 16)
158 #define BLKATTR_SIZE(x) (x & 0x1fff)
159 #define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */
161 #define ESDHC_HOSTCAPBLT_VS18 0x04000000
162 #define ESDHC_HOSTCAPBLT_VS30 0x02000000
163 #define ESDHC_HOSTCAPBLT_VS33 0x01000000
164 #define ESDHC_HOSTCAPBLT_SRS 0x00800000
165 #define ESDHC_HOSTCAPBLT_DMAS 0x00400000
166 #define ESDHC_HOSTCAPBLT_HSS 0x00200000
168 struct fsl_esdhc_cfg {
172 /* Select the correct accessors depending on endianess */
173 #if __BYTE_ORDER == __LITTLE_ENDIAN
174 #define esdhc_read32 in_le32
175 #define esdhc_write32 out_le32
176 #define esdhc_clrsetbits32 clrsetbits_le32
177 #define esdhc_clrbits32 clrbits_le32
178 #define esdhc_setbits32 setbits_le32
179 #elif __BYTE_ORDER == __BIG_ENDIAN
180 #define esdhc_read32 in_be32
181 #define esdhc_write32 out_be32
182 #define esdhc_clrsetbits32 clrsetbits_be32
183 #define esdhc_clrbits32 clrbits_be32
184 #define esdhc_setbits32 setbits_be32
186 #error "Endianess is not defined: please fix to continue"
189 #ifdef CONFIG_FSL_ESDHC
190 int fsl_esdhc_mmc_init(bd_t *bis);
191 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
192 void fdt_fixup_esdhc(void *blob, bd_t *bd);
194 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
195 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
196 #endif /* CONFIG_FSL_ESDHC */
198 #endif /* __FSL_ESDHC_H__ */