3 *-------------------------------------------------------------------
5 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef __FSL_ESDHC_H__
11 #define __FSL_ESDHC_H__
13 #include <asm/errno.h>
14 #include <asm/byteorder.h>
16 /* FSL eSDHC-specific constants */
17 #define SYSCTL 0x0002e02c
18 #define SYSCTL_INITA 0x08000000
19 #define SYSCTL_TIMEOUT_MASK 0x000f0000
20 #define SYSCTL_CLOCK_MASK 0x0000fff0
21 #define SYSCTL_CKEN 0x00000008
22 #define SYSCTL_PEREN 0x00000004
23 #define SYSCTL_HCKEN 0x00000002
24 #define SYSCTL_IPGEN 0x00000001
25 #define SYSCTL_RSTA 0x01000000
26 #define SYSCTL_RSTC 0x02000000
27 #define SYSCTL_RSTD 0x04000000
29 #define IRQSTAT 0x0002e030
30 #define IRQSTAT_DMAE (0x10000000)
31 #define IRQSTAT_AC12E (0x01000000)
32 #define IRQSTAT_DEBE (0x00400000)
33 #define IRQSTAT_DCE (0x00200000)
34 #define IRQSTAT_DTOE (0x00100000)
35 #define IRQSTAT_CIE (0x00080000)
36 #define IRQSTAT_CEBE (0x00040000)
37 #define IRQSTAT_CCE (0x00020000)
38 #define IRQSTAT_CTOE (0x00010000)
39 #define IRQSTAT_CINT (0x00000100)
40 #define IRQSTAT_CRM (0x00000080)
41 #define IRQSTAT_CINS (0x00000040)
42 #define IRQSTAT_BRR (0x00000020)
43 #define IRQSTAT_BWR (0x00000010)
44 #define IRQSTAT_DINT (0x00000008)
45 #define IRQSTAT_BGE (0x00000004)
46 #define IRQSTAT_TC (0x00000002)
47 #define IRQSTAT_CC (0x00000001)
49 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
50 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
52 #define DATA_COMPLETE (IRQSTAT_TC | IRQSTAT_DINT)
54 #define IRQSTATEN 0x0002e034
55 #define IRQSTATEN_DMAE (0x10000000)
56 #define IRQSTATEN_AC12E (0x01000000)
57 #define IRQSTATEN_DEBE (0x00400000)
58 #define IRQSTATEN_DCE (0x00200000)
59 #define IRQSTATEN_DTOE (0x00100000)
60 #define IRQSTATEN_CIE (0x00080000)
61 #define IRQSTATEN_CEBE (0x00040000)
62 #define IRQSTATEN_CCE (0x00020000)
63 #define IRQSTATEN_CTOE (0x00010000)
64 #define IRQSTATEN_CINT (0x00000100)
65 #define IRQSTATEN_CRM (0x00000080)
66 #define IRQSTATEN_CINS (0x00000040)
67 #define IRQSTATEN_BRR (0x00000020)
68 #define IRQSTATEN_BWR (0x00000010)
69 #define IRQSTATEN_DINT (0x00000008)
70 #define IRQSTATEN_BGE (0x00000004)
71 #define IRQSTATEN_TC (0x00000002)
72 #define IRQSTATEN_CC (0x00000001)
74 #define PRSSTAT 0x0002e024
75 #define PRSSTAT_DAT0 (0x01000000)
76 #define PRSSTAT_CLSL (0x00800000)
77 #define PRSSTAT_WPSPL (0x00080000)
78 #define PRSSTAT_CDPL (0x00040000)
79 #define PRSSTAT_CINS (0x00010000)
80 #define PRSSTAT_BREN (0x00000800)
81 #define PRSSTAT_BWEN (0x00000400)
82 #define PRSSTAT_DLA (0x00000004)
83 #define PRSSTAT_CICHB (0x00000002)
84 #define PRSSTAT_CIDHB (0x00000001)
86 #define PROCTL 0x0002e028
87 #define PROCTL_INIT 0x00000020
88 #define PROCTL_DTW_4 0x00000002
89 #define PROCTL_DTW_8 0x00000004
91 #define CMDARG 0x0002e008
93 #define XFERTYP 0x0002e00c
94 #define XFERTYP_CMD(x) ((x & 0x3f) << 24)
95 #define XFERTYP_CMDTYP_NORMAL 0x0
96 #define XFERTYP_CMDTYP_SUSPEND 0x00400000
97 #define XFERTYP_CMDTYP_RESUME 0x00800000
98 #define XFERTYP_CMDTYP_ABORT 0x00c00000
99 #define XFERTYP_DPSEL 0x00200000
100 #define XFERTYP_CICEN 0x00100000
101 #define XFERTYP_CCCEN 0x00080000
102 #define XFERTYP_RSPTYP_NONE 0
103 #define XFERTYP_RSPTYP_136 0x00010000
104 #define XFERTYP_RSPTYP_48 0x00020000
105 #define XFERTYP_RSPTYP_48_BUSY 0x00030000
106 #define XFERTYP_MSBSEL 0x00000020
107 #define XFERTYP_DTDSEL 0x00000010
108 #define XFERTYP_AC12EN 0x00000004
109 #define XFERTYP_BCEN 0x00000002
110 #define XFERTYP_DMAEN 0x00000001
112 #define CINS_TIMEOUT 1000
113 #define PIO_TIMEOUT 100000
115 #define DSADDR 0x2e004
117 #define CMDRSP0 0x2e010
118 #define CMDRSP1 0x2e014
119 #define CMDRSP2 0x2e018
120 #define CMDRSP3 0x2e01c
122 #define DATPORT 0x2e020
125 #define WML_WRITE 0x00010000
126 #ifdef CONFIG_FSL_SDHC_V2_3
127 #define WML_RD_WML_MAX 0x80
128 #define WML_WR_WML_MAX 0x80
129 #define WML_RD_WML_MAX_VAL 0x0
130 #define WML_WR_WML_MAX_VAL 0x0
131 #define WML_RD_WML_MASK 0x7f
132 #define WML_WR_WML_MASK 0x7f0000
134 #define WML_RD_WML_MAX 0x10
135 #define WML_WR_WML_MAX 0x80
136 #define WML_RD_WML_MAX_VAL 0x10
137 #define WML_WR_WML_MAX_VAL 0x80
138 #define WML_RD_WML_MASK 0xff
139 #define WML_WR_WML_MASK 0xff0000
142 #define BLKATTR 0x2e004
143 #define BLKATTR_CNT(x) ((x & 0xffff) << 16)
144 #define BLKATTR_SIZE(x) (x & 0x1fff)
145 #define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */
147 #define ESDHC_HOSTCAPBLT_VS18 0x04000000
148 #define ESDHC_HOSTCAPBLT_VS30 0x02000000
149 #define ESDHC_HOSTCAPBLT_VS33 0x01000000
150 #define ESDHC_HOSTCAPBLT_SRS 0x00800000
151 #define ESDHC_HOSTCAPBLT_DMAS 0x00400000
152 #define ESDHC_HOSTCAPBLT_HSS 0x00200000
154 struct fsl_esdhc_cfg {
160 /* Select the correct accessors depending on endianess */
161 #if __BYTE_ORDER == __LITTLE_ENDIAN
162 #define esdhc_read32 in_le32
163 #define esdhc_write32 out_le32
164 #define esdhc_clrsetbits32 clrsetbits_le32
165 #define esdhc_clrbits32 clrbits_le32
166 #define esdhc_setbits32 setbits_le32
167 #elif __BYTE_ORDER == __BIG_ENDIAN
168 #define esdhc_read32 in_be32
169 #define esdhc_write32 out_be32
170 #define esdhc_clrsetbits32 clrsetbits_be32
171 #define esdhc_clrbits32 clrbits_be32
172 #define esdhc_setbits32 setbits_be32
174 #error "Endianess is not defined: please fix to continue"
177 #ifdef CONFIG_FSL_ESDHC
178 int fsl_esdhc_mmc_init(bd_t *bis);
179 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
180 void fdt_fixup_esdhc(void *blob, bd_t *bd);
182 static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
183 static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
184 #endif /* CONFIG_FSL_ESDHC */
185 void __noreturn mmc_boot(void);
187 #endif /* __FSL_ESDHC_H__ */