1 /* 2 * (C) Copyright 2008 3 * Texas Instruments, <www.ti.com> 4 * Syed Mohammed Khasim <khasim@ti.com> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation's version 2 of 12 * the License. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 */ 24 25 #ifndef OMAP_MMC_H_ 26 #define OMAP_MMC_H_ 27 28 #include <mmc.h> 29 #ifndef __ASSEMBLY__ 30 #include <linux/bitops.h> 31 #endif 32 33 struct hsmmc { 34 #ifndef CONFIG_OMAP34XX 35 unsigned int hl_rev; 36 unsigned int hl_hwinfo; 37 unsigned int hl_sysconfig; 38 unsigned char res0[0xf4]; 39 #endif 40 unsigned char res1[0x10]; 41 unsigned int sysconfig; /* 0x10 */ 42 unsigned int sysstatus; /* 0x14 */ 43 unsigned char res2[0x14]; 44 unsigned int con; /* 0x2C */ 45 unsigned int pwcnt; /* 0x30 */ 46 unsigned int dll; /* 0x34 */ 47 unsigned char res3[0xcc]; 48 unsigned int blk; /* 0x104 */ 49 unsigned int arg; /* 0x108 */ 50 unsigned int cmd; /* 0x10C */ 51 unsigned int rsp10; /* 0x110 */ 52 unsigned int rsp32; /* 0x114 */ 53 unsigned int rsp54; /* 0x118 */ 54 unsigned int rsp76; /* 0x11C */ 55 unsigned int data; /* 0x120 */ 56 unsigned int pstate; /* 0x124 */ 57 unsigned int hctl; /* 0x128 */ 58 unsigned int sysctl; /* 0x12C */ 59 unsigned int stat; /* 0x130 */ 60 unsigned int ie; /* 0x134 */ 61 unsigned char res4[0x4]; 62 unsigned int ac12; /* 0x13C */ 63 unsigned int capa; /* 0x140 */ 64 unsigned int capa2; /* 0x144 */ 65 unsigned char res5[0xc]; 66 unsigned int admaes; /* 0x154 */ 67 unsigned int admasal; /* 0x158 */ 68 }; 69 70 struct omap_hsmmc_plat { 71 struct mmc_config cfg; 72 struct hsmmc *base_addr; 73 struct mmc *mmc; 74 u32 controller_flags; 75 const char *hw_rev; 76 }; 77 78 /* 79 * OMAP HS MMC Bit definitions 80 */ 81 #define MADMA_EN (0x1 << 0) 82 #define MMC_SOFTRESET (0x1 << 1) 83 #define RESETDONE (0x1 << 0) 84 #define NOOPENDRAIN (0x0 << 0) 85 #define OPENDRAIN (0x1 << 0) 86 #define OD (0x1 << 0) 87 #define INIT_NOINIT (0x0 << 1) 88 #define INIT_INITSTREAM (0x1 << 1) 89 #define HR_NOHOSTRESP (0x0 << 2) 90 #define STR_BLOCK (0x0 << 3) 91 #define MODE_FUNC (0x0 << 4) 92 #define DW8_1_4BITMODE (0x0 << 5) 93 #define MIT_CTO (0x0 << 6) 94 #define CDP_ACTIVEHIGH (0x0 << 7) 95 #define WPP_ACTIVEHIGH (0x0 << 8) 96 #define RESERVED_MASK (0x3 << 9) 97 #define CTPL_MMC_SD (0x0 << 11) 98 #define DDR (0x1 << 19) 99 #define DMA_MASTER (0x1 << 20) 100 #define BLEN_512BYTESLEN (0x200 << 0) 101 #define NBLK_STPCNT (0x0 << 16) 102 #define DE_ENABLE (0x1 << 0) 103 #define BCE_ENABLE (0x1 << 1) 104 #define ACEN_ENABLE (0x1 << 2) 105 #define DDIR_OFFSET (4) 106 #define DDIR_MASK (0x1 << 4) 107 #define DDIR_WRITE (0x0 << 4) 108 #define DDIR_READ (0x1 << 4) 109 #define MSBS_SGLEBLK (0x0 << 5) 110 #define MSBS_MULTIBLK (0x1 << 5) 111 #define RSP_TYPE_OFFSET (16) 112 #define RSP_TYPE_MASK (0x3 << 16) 113 #define RSP_TYPE_NORSP (0x0 << 16) 114 #define RSP_TYPE_LGHT136 (0x1 << 16) 115 #define RSP_TYPE_LGHT48 (0x2 << 16) 116 #define RSP_TYPE_LGHT48B (0x3 << 16) 117 #define CCCE_NOCHECK (0x0 << 19) 118 #define CCCE_CHECK (0x1 << 19) 119 #define CICE_NOCHECK (0x0 << 20) 120 #define CICE_CHECK (0x1 << 20) 121 #define DP_OFFSET (21) 122 #define DP_MASK (0x1 << 21) 123 #define DP_NO_DATA (0x0 << 21) 124 #define DP_DATA (0x1 << 21) 125 #define CMD_TYPE_NORMAL (0x0 << 22) 126 #define INDEX_OFFSET (24) 127 #define INDEX_MASK (0x3f << 24) 128 #define INDEX(i) (i << 24) 129 #define DATI_MASK (0x1 << 1) 130 #define CMDI_MASK (0x1 << 0) 131 #define DTW_1_BITMODE (0x0 << 1) 132 #define DTW_4_BITMODE (0x1 << 1) 133 #define DTW_8_BITMODE (0x1 << 5) /* CON[DW8]*/ 134 #define SDBP_PWROFF (0x0 << 8) 135 #define SDBP_PWRON (0x1 << 8) 136 #define SDVS_MASK (0x7 << 9) 137 #define SDVS_1V8 (0x5 << 9) 138 #define SDVS_3V0 (0x6 << 9) 139 #define SDVS_3V3 (0x7 << 9) 140 #define DMA_SELECT (0x2 << 3) 141 #define ICE_MASK (0x1 << 0) 142 #define ICE_STOP (0x0 << 0) 143 #define ICS_MASK (0x1 << 1) 144 #define ICS_NOTREADY (0x0 << 1) 145 #define ICE_OSCILLATE (0x1 << 0) 146 #define CEN_MASK (0x1 << 2) 147 #define CEN_ENABLE (0x1 << 2) 148 #define CLKD_OFFSET (6) 149 #define CLKD_MASK (0x3FF << 6) 150 #define DTO_MASK (0xF << 16) 151 #define DTO_15THDTO (0xE << 16) 152 #define SOFTRESETALL (0x1 << 24) 153 #define CC_MASK (0x1 << 0) 154 #define TC_MASK (0x1 << 1) 155 #define BWR_MASK (0x1 << 4) 156 #define BRR_MASK (0x1 << 5) 157 #define ERRI_MASK (0x1 << 15) 158 #define IE_CC (0x01 << 0) 159 #define IE_TC (0x01 << 1) 160 #define IE_BWR (0x01 << 4) 161 #define IE_BRR (0x01 << 5) 162 #define IE_CTO (0x01 << 16) 163 #define IE_CCRC (0x01 << 17) 164 #define IE_CEB (0x01 << 18) 165 #define IE_CIE (0x01 << 19) 166 #define IE_DTO (0x01 << 20) 167 #define IE_DCRC (0x01 << 21) 168 #define IE_DEB (0x01 << 22) 169 #define IE_ADMAE (0x01 << 25) 170 #define IE_CERR (0x01 << 28) 171 #define IE_BADA (0x01 << 29) 172 173 #define VS33_3V3SUP BIT(24) 174 #define VS30_3V0SUP BIT(25) 175 #define VS18_1V8SUP BIT(26) 176 177 #define AC12_ET BIT(22) 178 #define AC12_V1V8_SIGEN BIT(19) 179 #define AC12_SCLK_SEL BIT(23) 180 #define AC12_UHSMC_MASK (7 << 16) 181 #define AC12_UHSMC_DDR50 (4 << 16) 182 #define AC12_UHSMC_SDR104 (3 << 16) 183 #define AC12_UHSMC_SDR50 (2 << 16) 184 #define AC12_UHSMC_SDR25 (1 << 16) 185 #define AC12_UHSMC_SDR12 (0 << 16) 186 #define AC12_UHSMC_RES (0x7 << 16) 187 188 /* Driver definitions */ 189 #define MMCSD_SECTOR_SIZE 512 190 #define MMC_CARD 0 191 #define SD_CARD 1 192 #define BYTE_MODE 0 193 #define SECTOR_MODE 1 194 #define CLK_INITSEQ 0 195 #define CLK_400KHZ 1 196 #define CLK_MISC 2 197 198 #define CLKD_MAX 0x3FF /* max clock divisor: 1023 */ 199 200 #define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK) 201 #define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) 202 203 /* Clock Configurations and Macros */ 204 #ifdef CONFIG_OMAP54XX 205 #define MMC_CLOCK_REFERENCE 192 /* MHz */ 206 #else 207 #define MMC_CLOCK_REFERENCE 96 /* MHz */ 208 #endif 209 210 /* DLL */ 211 #define DLL_SWT BIT(20) 212 #define DLL_FORCE_SR_C_SHIFT 13 213 #define DLL_FORCE_SR_C_MASK 0x7f 214 #define DLL_FORCE_VALUE BIT(12) 215 #define DLL_CALIB BIT(1) 216 217 #define MAX_PHASE_DELAY 0x7c 218 219 /* CAPA2 */ 220 #define CAPA2_TSDR50 BIT(13) 221 222 #define mmc_reg_out(addr, mask, val)\ 223 writel((readl(addr) & (~(mask))) | ((val) & (mask)), (addr)) 224 225 #define INT_EN_MASK (IE_BADA | IE_CERR | IE_DEB | IE_DCRC |\ 226 IE_DTO | IE_CIE | IE_CEB | IE_CCRC | IE_ADMAE | IE_CTO |\ 227 IE_BRR | IE_BWR | IE_TC | IE_CC) 228 229 #define CON_CLKEXTFREE BIT(16) 230 #define CON_PADEN BIT(15) 231 #define PSTATE_CLEV BIT(24) 232 #define PSTATE_DLEV (0xF << 20) 233 #define PSTATE_DLEV_DAT0 (0x1 << 20) 234 235 int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, 236 int wp_gpio); 237 238 void vmmc_pbias_config(uint voltage); 239 void board_mmc_poweron_ldo(uint voltage); 240 #endif /* OMAP_MMC_H_ */ 241