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 /* needed for the mmc_cfg definition */
19 /* FSL eSDHC-specific constants */
20 #define SYSCTL 0x0002e02c
21 #define SYSCTL_INITA 0x08000000
22 #define SYSCTL_TIMEOUT_MASK 0x000f0000
23 #define SYSCTL_CLOCK_MASK 0x0000fff0
24 #define SYSCTL_CKEN 0x00000008
25 #define SYSCTL_PEREN 0x00000004
26 #define SYSCTL_HCKEN 0x00000002
27 #define SYSCTL_IPGEN 0x00000001
28 #define SYSCTL_RSTA 0x01000000
29 #define SYSCTL_RSTC 0x02000000
30 #define SYSCTL_RSTD 0x04000000
32 #define IRQSTAT 0x0002e030
33 #define IRQSTAT_DMAE (0x10000000)
34 #define IRQSTAT_AC12E (0x01000000)
35 #define IRQSTAT_DEBE (0x00400000)
36 #define IRQSTAT_DCE (0x00200000)
37 #define IRQSTAT_DTOE (0x00100000)
38 #define IRQSTAT_CIE (0x00080000)
39 #define IRQSTAT_CEBE (0x00040000)
40 #define IRQSTAT_CCE (0x00020000)
41 #define IRQSTAT_CTOE (0x00010000)
42 #define IRQSTAT_CINT (0x00000100)
43 #define IRQSTAT_CRM (0x00000080)
44 #define IRQSTAT_CINS (0x00000040)
45 #define IRQSTAT_BRR (0x00000020)
46 #define IRQSTAT_BWR (0x00000010)
47 #define IRQSTAT_DINT (0x00000008)
48 #define IRQSTAT_BGE (0x00000004)
49 #define IRQSTAT_TC (0x00000002)
50 #define IRQSTAT_CC (0x00000001)
52 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
53 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
55 #define DATA_COMPLETE (IRQSTAT_TC | IRQSTAT_DINT)
57 #define IRQSTATEN 0x0002e034
58 #define IRQSTATEN_DMAE (0x10000000)
59 #define IRQSTATEN_AC12E (0x01000000)
60 #define IRQSTATEN_DEBE (0x00400000)
61 #define IRQSTATEN_DCE (0x00200000)
62 #define IRQSTATEN_DTOE (0x00100000)
63 #define IRQSTATEN_CIE (0x00080000)
64 #define IRQSTATEN_CEBE (0x00040000)
65 #define IRQSTATEN_CCE (0x00020000)
66 #define IRQSTATEN_CTOE (0x00010000)
67 #define IRQSTATEN_CINT (0x00000100)
68 #define IRQSTATEN_CRM (0x00000080)
69 #define IRQSTATEN_CINS (0x00000040)
70 #define IRQSTATEN_BRR (0x00000020)
71 #define IRQSTATEN_BWR (0x00000010)
72 #define IRQSTATEN_DINT (0x00000008)
73 #define IRQSTATEN_BGE (0x00000004)
74 #define IRQSTATEN_TC (0x00000002)
75 #define IRQSTATEN_CC (0x00000001)
77 #define PRSSTAT 0x0002e024
78 #define PRSSTAT_DAT0 (0x01000000)
79 #define PRSSTAT_CLSL (0x00800000)
80 #define PRSSTAT_WPSPL (0x00080000)
81 #define PRSSTAT_CDPL (0x00040000)
82 #define PRSSTAT_CINS (0x00010000)
83 #define PRSSTAT_BREN (0x00000800)
84 #define PRSSTAT_BWEN (0x00000400)
85 #define PRSSTAT_DLA (0x00000004)
86 #define PRSSTAT_CICHB (0x00000002)
87 #define PRSSTAT_CIDHB (0x00000001)
89 #define PROCTL 0x0002e028
90 #define PROCTL_INIT 0x00000020
91 #define PROCTL_DTW_4 0x00000002
92 #define PROCTL_DTW_8 0x00000004
94 #define CMDARG 0x0002e008
96 #define XFERTYP 0x0002e00c
97 #define XFERTYP_CMD(x) ((x & 0x3f) << 24)
98 #define XFERTYP_CMDTYP_NORMAL 0x0
99 #define XFERTYP_CMDTYP_SUSPEND 0x00400000
100 #define XFERTYP_CMDTYP_RESUME 0x00800000
101 #define XFERTYP_CMDTYP_ABORT 0x00c00000
102 #define XFERTYP_DPSEL 0x00200000
103 #define XFERTYP_CICEN 0x00100000
104 #define XFERTYP_CCCEN 0x00080000
105 #define XFERTYP_RSPTYP_NONE 0
106 #define XFERTYP_RSPTYP_136 0x00010000
107 #define XFERTYP_RSPTYP_48 0x00020000
108 #define XFERTYP_RSPTYP_48_BUSY 0x00030000
109 #define XFERTYP_MSBSEL 0x00000020
110 #define XFERTYP_DTDSEL 0x00000010
111 #define XFERTYP_AC12EN 0x00000004
112 #define XFERTYP_BCEN 0x00000002
113 #define XFERTYP_DMAEN 0x00000001
115 #define CINS_TIMEOUT 1000
116 #define PIO_TIMEOUT 100000
118 #define DSADDR 0x2e004
120 #define CMDRSP0 0x2e010
121 #define CMDRSP1 0x2e014
122 #define CMDRSP2 0x2e018
123 #define CMDRSP3 0x2e01c
125 #define DATPORT 0x2e020
128 #define WML_WRITE 0x00010000
129 #ifdef CONFIG_FSL_SDHC_V2_3
130 #define WML_RD_WML_MAX 0x80
131 #define WML_WR_WML_MAX 0x80
132 #define WML_RD_WML_MAX_VAL 0x0
133 #define WML_WR_WML_MAX_VAL 0x0
134 #define WML_RD_WML_MASK 0x7f
135 #define WML_WR_WML_MASK 0x7f0000
137 #define WML_RD_WML_MAX 0x10
138 #define WML_WR_WML_MAX 0x80
139 #define WML_RD_WML_MAX_VAL 0x10
140 #define WML_WR_WML_MAX_VAL 0x80
141 #define WML_RD_WML_MASK 0xff
142 #define WML_WR_WML_MASK 0xff0000
145 #define BLKATTR 0x2e004
146 #define BLKATTR_CNT(x) ((x & 0xffff) << 16)
147 #define BLKATTR_SIZE(x) (x & 0x1fff)
148 #define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */
150 #define ESDHC_HOSTCAPBLT_VS18 0x04000000
151 #define ESDHC_HOSTCAPBLT_VS30 0x02000000
152 #define ESDHC_HOSTCAPBLT_VS33 0x01000000
153 #define ESDHC_HOSTCAPBLT_SRS 0x00800000
154 #define ESDHC_HOSTCAPBLT_DMAS 0x00400000
155 #define ESDHC_HOSTCAPBLT_HSS 0x00200000
157 struct fsl_esdhc_cfg {
161 struct mmc_config cfg;
164 /* Select the correct accessors depending on endianess */
165 #if defined CONFIG_SYS_FSL_ESDHC_LE
166 #define esdhc_read32 in_le32
167 #define esdhc_write32 out_le32
168 #define esdhc_clrsetbits32 clrsetbits_le32
169 #define esdhc_clrbits32 clrbits_le32
170 #define esdhc_setbits32 setbits_le32
171 #elif defined(CONFIG_SYS_FSL_ESDHC_BE)
172 #define esdhc_read32 in_be32
173 #define esdhc_write32 out_be32
174 #define esdhc_clrsetbits32 clrsetbits_be32
175 #define esdhc_clrbits32 clrbits_be32
176 #define esdhc_setbits32 setbits_be32
177 #elif __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
190 #error "Endianess is not defined: please fix to continue"
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);
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 void __noreturn mmc_boot(void);
202 void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
204 #endif /* __FSL_ESDHC_H__ */