1 /* SPDX-License-Identifier: GPL-2.0+ */
4 *-------------------------------------------------------------------
6 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
10 #ifndef __FSL_ESDHC_H__
11 #define __FSL_ESDHC_H__
13 #include <linux/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 /* eSDHC control register */
78 #define ESDHCCTL 0x0002e40c
79 #define ESDHCCTL_PCS (0x00080000)
80 #define ESDHCCTL_FAF (0x00040000)
82 #define PRSSTAT 0x0002e024
83 #define PRSSTAT_DAT0 (0x01000000)
84 #define PRSSTAT_CLSL (0x00800000)
85 #define PRSSTAT_WPSPL (0x00080000)
86 #define PRSSTAT_CDPL (0x00040000)
87 #define PRSSTAT_CINS (0x00010000)
88 #define PRSSTAT_BREN (0x00000800)
89 #define PRSSTAT_BWEN (0x00000400)
90 #define PRSSTAT_SDSTB (0X00000008)
91 #define PRSSTAT_DLA (0x00000004)
92 #define PRSSTAT_CICHB (0x00000002)
93 #define PRSSTAT_CIDHB (0x00000001)
95 #define PROCTL 0x0002e028
96 #define PROCTL_INIT 0x00000020
97 #define PROCTL_DTW_4 0x00000002
98 #define PROCTL_DTW_8 0x00000004
99 #define PROCTL_D3CD 0x00000008
100 #define PROCTL_DMAS_MASK 0x00000300
101 #define PROCTL_DMAS_SDMA 0x00000000
102 #define PROCTL_DMAS_ADMA1 0x00000100
103 #define PROCTL_DMAS_ADMA2 0x00000300
104 #define PROCTL_VOLT_SEL 0x00000400
106 #define CMDARG 0x0002e008
108 #define XFERTYP 0x0002e00c
109 #define XFERTYP_CMD(x) ((x & 0x3f) << 24)
110 #define XFERTYP_CMDTYP_NORMAL 0x0
111 #define XFERTYP_CMDTYP_SUSPEND 0x00400000
112 #define XFERTYP_CMDTYP_RESUME 0x00800000
113 #define XFERTYP_CMDTYP_ABORT 0x00c00000
114 #define XFERTYP_DPSEL 0x00200000
115 #define XFERTYP_CICEN 0x00100000
116 #define XFERTYP_CCCEN 0x00080000
117 #define XFERTYP_RSPTYP_NONE 0
118 #define XFERTYP_RSPTYP_136 0x00010000
119 #define XFERTYP_RSPTYP_48 0x00020000
120 #define XFERTYP_RSPTYP_48_BUSY 0x00030000
121 #define XFERTYP_MSBSEL 0x00000020
122 #define XFERTYP_DTDSEL 0x00000010
123 #define XFERTYP_DDREN 0x00000008
124 #define XFERTYP_AC12EN 0x00000004
125 #define XFERTYP_BCEN 0x00000002
126 #define XFERTYP_DMAEN 0x00000001
128 #define CINS_TIMEOUT 1000
129 #define PIO_TIMEOUT 500
131 #define DSADDR 0x2e004
133 #define CMDRSP0 0x2e010
134 #define CMDRSP1 0x2e014
135 #define CMDRSP2 0x2e018
136 #define CMDRSP3 0x2e01c
138 #define DATPORT 0x2e020
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
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
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 */
163 /* Auto CMD error status register / system control 2 register */
164 #define EXECUTE_TUNING 0x00400000
165 #define SMPCLKSEL 0x00800000
166 #define UHSM_MASK 0x00070000
167 #define UHSM_SDR104_HS200 0x00030000
169 /* Host controller capabilities register */
170 #define HOSTCAPBLT_VS18 0x04000000
171 #define HOSTCAPBLT_VS30 0x02000000
172 #define HOSTCAPBLT_VS33 0x01000000
173 #define HOSTCAPBLT_SRS 0x00800000
174 #define HOSTCAPBLT_DMAS 0x00400000
175 #define HOSTCAPBLT_HSS 0x00200000
177 /* Tuning block control register */
178 #define TBCTL_TB_EN 0x00000004
179 #define HS400_MODE 0x00000010
180 #define HS400_WNDW_ADJUST 0x00000040
182 /* SD clock control register */
183 #define CMD_CLK_CTL 0x00008000
185 /* SD timing control register */
186 #define FLW_CTL_BG 0x00008000
188 /* DLL config 0 register */
189 #define DLL_ENABLE 0x80000000
190 #define DLL_FREQ_SEL 0x08000000
192 #define MAX_TUNING_LOOP 40
194 #define HOSTVER_VENDOR(x) (((x) >> 8) & 0xff)
195 #define VENDOR_V_10 0x00
196 #define VENDOR_V_20 0x10
197 #define VENDOR_V_21 0x11
198 #define VENDOR_V_22 0x12
199 #define VENDOR_V_23 0x13
200 #define VENDOR_V_30 0x20
201 #define VENDOR_V_31 0x21
202 #define VENDOR_V_32 0x22
204 struct fsl_esdhc_cfg {
205 phys_addr_t esdhc_base;
208 int vs18_enable; /* Use 1.8V if set to 1 */
209 struct mmc_config cfg;
212 /* Select the correct accessors depending on endianess */
213 #if defined CONFIG_SYS_FSL_ESDHC_LE
214 #define esdhc_read32 in_le32
215 #define esdhc_write32 out_le32
216 #define esdhc_clrsetbits32 clrsetbits_le32
217 #define esdhc_clrbits32 clrbits_le32
218 #define esdhc_setbits32 setbits_le32
219 #elif defined(CONFIG_SYS_FSL_ESDHC_BE)
220 #define esdhc_read32 in_be32
221 #define esdhc_write32 out_be32
222 #define esdhc_clrsetbits32 clrsetbits_be32
223 #define esdhc_clrbits32 clrbits_be32
224 #define esdhc_setbits32 setbits_be32
225 #elif __BYTE_ORDER == __LITTLE_ENDIAN
226 #define esdhc_read32 in_le32
227 #define esdhc_write32 out_le32
228 #define esdhc_clrsetbits32 clrsetbits_le32
229 #define esdhc_clrbits32 clrbits_le32
230 #define esdhc_setbits32 setbits_le32
231 #elif __BYTE_ORDER == __BIG_ENDIAN
232 #define esdhc_read32 in_be32
233 #define esdhc_write32 out_be32
234 #define esdhc_clrsetbits32 clrsetbits_be32
235 #define esdhc_clrbits32 clrbits_be32
236 #define esdhc_setbits32 setbits_be32
238 #error "Endianess is not defined: please fix to continue"
241 #ifdef CONFIG_FSL_ESDHC
242 int fsl_esdhc_mmc_init(struct bd_info *bis);
243 int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg);
244 void fdt_fixup_esdhc(void *blob, struct bd_info *bd);
246 static inline int fsl_esdhc_mmc_init(struct bd_info *bis) { return -ENOSYS; }
247 static inline void fdt_fixup_esdhc(void *blob, struct bd_info *bd) {}
248 #endif /* CONFIG_FSL_ESDHC */
249 void __noreturn mmc_boot(void);
250 void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
252 #endif /* __FSL_ESDHC_H__ */