1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * FSL SD/MMC Defines 4 *------------------------------------------------------------------- 5 * 6 * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc 7 * Copyright 2020 NXP 8 */ 9 10 #ifndef __FSL_ESDHC_H__ 11 #define __FSL_ESDHC_H__ 12 13 #include <linux/errno.h> 14 #include <asm/byteorder.h> 15 16 /* needed for the mmc_cfg definition */ 17 #include <mmc.h> 18 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 31 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) 51 52 #define CMD_ERR (IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE) 53 #define DATA_ERR (IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \ 54 IRQSTAT_DMAE) 55 #define DATA_COMPLETE (IRQSTAT_TC | IRQSTAT_DINT) 56 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) 76 77 /* eSDHC control register */ 78 #define ESDHCCTL 0x0002e40c 79 #define ESDHCCTL_PCS (0x00080000) 80 #define ESDHCCTL_FAF (0x00040000) 81 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) 94 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 105 106 #define CMDARG 0x0002e008 107 108 #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 127 128 #define CINS_TIMEOUT 1000 129 #define PIO_TIMEOUT 500 130 131 #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 /* 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 168 169 /* 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 176 177 /* Tuning block control register */ 178 #define TBCTL_TB_EN 0x00000004 179 #define HS400_MODE 0x00000010 180 #define HS400_WNDW_ADJUST 0x00000040 181 182 /* SD clock control register */ 183 #define CMD_CLK_CTL 0x00008000 184 185 /* SD timing control register */ 186 #define FLW_CTL_BG 0x00008000 187 188 /* DLL config 0 register */ 189 #define DLL_ENABLE 0x80000000 190 #define DLL_RESET 0x40000000 191 #define DLL_FREQ_SEL 0x08000000 192 193 /* DLL status 0 register */ 194 #define DLL_STS_SLV_LOCK 0x08000000 195 196 #define MAX_TUNING_LOOP 40 197 198 #define HOSTVER_VENDOR(x) (((x) >> 8) & 0xff) 199 #define VENDOR_V_10 0x00 200 #define VENDOR_V_20 0x10 201 #define VENDOR_V_21 0x11 202 #define VENDOR_V_22 0x12 203 #define VENDOR_V_23 0x13 204 #define VENDOR_V_30 0x20 205 #define VENDOR_V_31 0x21 206 #define VENDOR_V_32 0x22 207 208 struct fsl_esdhc_cfg { 209 phys_addr_t esdhc_base; 210 u32 sdhc_clk; 211 u8 max_bus_width; 212 int vs18_enable; /* Use 1.8V if set to 1 */ 213 struct mmc_config cfg; 214 }; 215 216 /* Select the correct accessors depending on endianess */ 217 #if defined CONFIG_SYS_FSL_ESDHC_LE 218 #define esdhc_read32 in_le32 219 #define esdhc_write32 out_le32 220 #define esdhc_clrsetbits32 clrsetbits_le32 221 #define esdhc_clrbits32 clrbits_le32 222 #define esdhc_setbits32 setbits_le32 223 #elif defined(CONFIG_SYS_FSL_ESDHC_BE) 224 #define esdhc_read32 in_be32 225 #define esdhc_write32 out_be32 226 #define esdhc_clrsetbits32 clrsetbits_be32 227 #define esdhc_clrbits32 clrbits_be32 228 #define esdhc_setbits32 setbits_be32 229 #elif __BYTE_ORDER == __LITTLE_ENDIAN 230 #define esdhc_read32 in_le32 231 #define esdhc_write32 out_le32 232 #define esdhc_clrsetbits32 clrsetbits_le32 233 #define esdhc_clrbits32 clrbits_le32 234 #define esdhc_setbits32 setbits_le32 235 #elif __BYTE_ORDER == __BIG_ENDIAN 236 #define esdhc_read32 in_be32 237 #define esdhc_write32 out_be32 238 #define esdhc_clrsetbits32 clrsetbits_be32 239 #define esdhc_clrbits32 clrbits_be32 240 #define esdhc_setbits32 setbits_be32 241 #else 242 #error "Endianess is not defined: please fix to continue" 243 #endif 244 245 #ifdef CONFIG_FSL_ESDHC 246 int fsl_esdhc_mmc_init(struct bd_info *bis); 247 int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg); 248 void fdt_fixup_esdhc(void *blob, struct bd_info *bd); 249 #else fsl_esdhc_mmc_init(struct bd_info * bis)250static inline int fsl_esdhc_mmc_init(struct bd_info *bis) { return -ENOSYS; } fdt_fixup_esdhc(void * blob,struct bd_info * bd)251static inline void fdt_fixup_esdhc(void *blob, struct bd_info *bd) {} 252 #endif /* CONFIG_FSL_ESDHC */ 253 void __noreturn mmc_boot(void); 254 void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst); 255 256 #endif /* __FSL_ESDHC_H__ */ 257