1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 3 /* 4 * MPC8xx I/O port pin manipulation functions 5 * Roughly based on iopin_8260.h 6 */ 7 8 #ifndef _ASM_IOPIN_8XX_H_ 9 #define _ASM_IOPIN_8XX_H_ 10 11 #include <linux/types.h> 12 #include <asm/immap_8xx.h> 13 #include <asm/io.h> 14 15 #ifdef __KERNEL__ 16 17 typedef struct { 18 u_char port:2; /* port number (A=0, B=1, C=2, D=3) */ 19 u_char pin:5; /* port pin (0-31) */ 20 u_char flag:1; /* for whatever */ 21 } iopin_t; 22 23 #define IOPIN_PORTA 0 24 #define IOPIN_PORTB 1 25 #define IOPIN_PORTC 2 26 #define IOPIN_PORTD 3 27 28 static inline void iopin_set_high(iopin_t *iopin) 29 { 30 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 31 32 if (iopin->port == IOPIN_PORTA) { 33 ushort __iomem *datp = &immap->im_ioport.iop_padat; 34 35 setbits_be16(datp, 1 << (15 - iopin->pin)); 36 } else if (iopin->port == IOPIN_PORTB) { 37 uint __iomem *datp = &immap->im_cpm.cp_pbdat; 38 39 setbits_be32(datp, 1 << (31 - iopin->pin)); 40 } else if (iopin->port == IOPIN_PORTC) { 41 ushort __iomem *datp = &immap->im_ioport.iop_pcdat; 42 43 setbits_be16(datp, 1 << (15 - iopin->pin)); 44 } else if (iopin->port == IOPIN_PORTD) { 45 ushort __iomem *datp = &immap->im_ioport.iop_pddat; 46 47 setbits_be16(datp, 1 << (15 - iopin->pin)); 48 } 49 } 50 51 static inline void iopin_set_low(iopin_t *iopin) 52 { 53 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 54 55 if (iopin->port == IOPIN_PORTA) { 56 ushort __iomem *datp = &immap->im_ioport.iop_padat; 57 58 clrbits_be16(datp, 1 << (15 - iopin->pin)); 59 } else if (iopin->port == IOPIN_PORTB) { 60 uint __iomem *datp = &immap->im_cpm.cp_pbdat; 61 62 clrbits_be32(datp, 1 << (31 - iopin->pin)); 63 } else if (iopin->port == IOPIN_PORTC) { 64 ushort __iomem *datp = &immap->im_ioport.iop_pcdat; 65 66 clrbits_be16(datp, 1 << (15 - iopin->pin)); 67 } else if (iopin->port == IOPIN_PORTD) { 68 ushort __iomem *datp = &immap->im_ioport.iop_pddat; 69 70 clrbits_be16(datp, 1 << (15 - iopin->pin)); 71 } 72 } 73 74 static inline uint iopin_is_high(iopin_t *iopin) 75 { 76 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 77 78 if (iopin->port == IOPIN_PORTA) { 79 ushort __iomem *datp = &immap->im_ioport.iop_padat; 80 81 return (in_be16(datp) >> (15 - iopin->pin)) & 1; 82 } else if (iopin->port == IOPIN_PORTB) { 83 uint __iomem *datp = &immap->im_cpm.cp_pbdat; 84 85 return (in_be32(datp) >> (31 - iopin->pin)) & 1; 86 } else if (iopin->port == IOPIN_PORTC) { 87 ushort __iomem *datp = &immap->im_ioport.iop_pcdat; 88 89 return (in_be16(datp) >> (15 - iopin->pin)) & 1; 90 } else if (iopin->port == IOPIN_PORTD) { 91 ushort __iomem *datp = &immap->im_ioport.iop_pddat; 92 93 return (in_be16(datp) >> (15 - iopin->pin)) & 1; 94 } 95 return 0; 96 } 97 98 static inline uint iopin_is_low(iopin_t *iopin) 99 { 100 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 101 102 if (iopin->port == IOPIN_PORTA) { 103 ushort __iomem *datp = &immap->im_ioport.iop_padat; 104 105 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1; 106 } else if (iopin->port == IOPIN_PORTB) { 107 uint __iomem *datp = &immap->im_cpm.cp_pbdat; 108 109 return ((in_be32(datp) >> (31 - iopin->pin)) & 1) ^ 1; 110 } else if (iopin->port == IOPIN_PORTC) { 111 ushort __iomem *datp = &immap->im_ioport.iop_pcdat; 112 113 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1; 114 } else if (iopin->port == IOPIN_PORTD) { 115 ushort __iomem *datp = &immap->im_ioport.iop_pddat; 116 117 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1; 118 } 119 return 0; 120 } 121 122 static inline void iopin_set_out(iopin_t *iopin) 123 { 124 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 125 126 if (iopin->port == IOPIN_PORTA) { 127 ushort __iomem *dirp = &immap->im_ioport.iop_padir; 128 129 setbits_be16(dirp, 1 << (15 - iopin->pin)); 130 } else if (iopin->port == IOPIN_PORTB) { 131 uint __iomem *dirp = &immap->im_cpm.cp_pbdir; 132 133 setbits_be32(dirp, 1 << (31 - iopin->pin)); 134 } else if (iopin->port == IOPIN_PORTC) { 135 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir; 136 137 setbits_be16(dirp, 1 << (15 - iopin->pin)); 138 } else if (iopin->port == IOPIN_PORTD) { 139 ushort __iomem *dirp = &immap->im_ioport.iop_pddir; 140 141 setbits_be16(dirp, 1 << (15 - iopin->pin)); 142 } 143 } 144 145 static inline void iopin_set_in(iopin_t *iopin) 146 { 147 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 148 149 if (iopin->port == IOPIN_PORTA) { 150 ushort __iomem *dirp = &immap->im_ioport.iop_padir; 151 152 clrbits_be16(dirp, 1 << (15 - iopin->pin)); 153 } else if (iopin->port == IOPIN_PORTB) { 154 uint __iomem *dirp = &immap->im_cpm.cp_pbdir; 155 156 clrbits_be32(dirp, 1 << (31 - iopin->pin)); 157 } else if (iopin->port == IOPIN_PORTC) { 158 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir; 159 160 clrbits_be16(dirp, 1 << (15 - iopin->pin)); 161 } else if (iopin->port == IOPIN_PORTD) { 162 ushort __iomem *dirp = &immap->im_ioport.iop_pddir; 163 164 clrbits_be16(dirp, 1 << (15 - iopin->pin)); 165 } 166 } 167 168 static inline uint iopin_is_out(iopin_t *iopin) 169 { 170 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 171 172 if (iopin->port == IOPIN_PORTA) { 173 ushort __iomem *dirp = &immap->im_ioport.iop_padir; 174 175 return (in_be16(dirp) >> (15 - iopin->pin)) & 1; 176 } else if (iopin->port == IOPIN_PORTB) { 177 uint __iomem *dirp = &immap->im_cpm.cp_pbdir; 178 179 return (in_be32(dirp) >> (31 - iopin->pin)) & 1; 180 } else if (iopin->port == IOPIN_PORTC) { 181 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir; 182 183 return (in_be16(dirp) >> (15 - iopin->pin)) & 1; 184 } else if (iopin->port == IOPIN_PORTD) { 185 ushort __iomem *dirp = &immap->im_ioport.iop_pddir; 186 187 return (in_be16(dirp) >> (15 - iopin->pin)) & 1; 188 } 189 return 0; 190 } 191 192 static inline uint iopin_is_in(iopin_t *iopin) 193 { 194 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 195 196 if (iopin->port == IOPIN_PORTA) { 197 ushort __iomem *dirp = &immap->im_ioport.iop_padir; 198 199 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1; 200 } else if (iopin->port == IOPIN_PORTB) { 201 uint __iomem *dirp = &immap->im_cpm.cp_pbdir; 202 203 return ((in_be32(dirp) >> (31 - iopin->pin)) & 1) ^ 1; 204 } else if (iopin->port == IOPIN_PORTC) { 205 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir; 206 207 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1; 208 } else if (iopin->port == IOPIN_PORTD) { 209 ushort __iomem *dirp = &immap->im_ioport.iop_pddir; 210 211 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1; 212 } 213 return 0; 214 } 215 216 static inline void iopin_set_odr(iopin_t *iopin) 217 { 218 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 219 220 if (iopin->port == IOPIN_PORTA) { 221 ushort __iomem *odrp = &immap->im_ioport.iop_paodr; 222 223 setbits_be16(odrp, 1 << (15 - iopin->pin)); 224 } else if (iopin->port == IOPIN_PORTB) { 225 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr; 226 227 setbits_be16(odrp, 1 << (31 - iopin->pin)); 228 } 229 } 230 231 static inline void iopin_set_act(iopin_t *iopin) 232 { 233 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 234 235 if (iopin->port == IOPIN_PORTA) { 236 ushort __iomem *odrp = &immap->im_ioport.iop_paodr; 237 238 clrbits_be16(odrp, 1 << (15 - iopin->pin)); 239 } else if (iopin->port == IOPIN_PORTB) { 240 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr; 241 242 clrbits_be16(odrp, 1 << (31 - iopin->pin)); 243 } 244 } 245 246 static inline uint iopin_is_odr(iopin_t *iopin) 247 { 248 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 249 250 if (iopin->port == IOPIN_PORTA) { 251 ushort __iomem *odrp = &immap->im_ioport.iop_paodr; 252 253 return (in_be16(odrp) >> (15 - iopin->pin)) & 1; 254 } else if (iopin->port == IOPIN_PORTB) { 255 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr; 256 257 return (in_be16(odrp) >> (31 - iopin->pin)) & 1; 258 } 259 return 0; 260 } 261 262 static inline uint iopin_is_act(iopin_t *iopin) 263 { 264 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 265 266 if (iopin->port == IOPIN_PORTA) { 267 ushort __iomem *odrp = &immap->im_ioport.iop_paodr; 268 269 return ((in_be16(odrp) >> (15 - iopin->pin)) & 1) ^ 1; 270 } else if (iopin->port == IOPIN_PORTB) { 271 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr; 272 273 return ((in_be16(odrp) >> (31 - iopin->pin)) & 1) ^ 1; 274 } 275 return 0; 276 } 277 278 static inline void iopin_set_ded(iopin_t *iopin) 279 { 280 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 281 282 if (iopin->port == IOPIN_PORTA) { 283 ushort __iomem *parp = &immap->im_ioport.iop_papar; 284 285 setbits_be16(parp, 1 << (15 - iopin->pin)); 286 } else if (iopin->port == IOPIN_PORTB) { 287 uint __iomem *parp = &immap->im_cpm.cp_pbpar; 288 289 setbits_be32(parp, 1 << (31 - iopin->pin)); 290 } else if (iopin->port == IOPIN_PORTC) { 291 ushort __iomem *parp = &immap->im_ioport.iop_pcpar; 292 293 setbits_be16(parp, 1 << (15 - iopin->pin)); 294 } else if (iopin->port == IOPIN_PORTD) { 295 ushort __iomem *parp = &immap->im_ioport.iop_pdpar; 296 297 setbits_be16(parp, 1 << (15 - iopin->pin)); 298 } 299 } 300 301 static inline void iopin_set_gen(iopin_t *iopin) 302 { 303 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 304 305 if (iopin->port == IOPIN_PORTA) { 306 ushort __iomem *parp = &immap->im_ioport.iop_papar; 307 308 clrbits_be16(parp, 1 << (15 - iopin->pin)); 309 } else if (iopin->port == IOPIN_PORTB) { 310 uint __iomem *parp = &immap->im_cpm.cp_pbpar; 311 312 clrbits_be32(parp, 1 << (31 - iopin->pin)); 313 } else if (iopin->port == IOPIN_PORTC) { 314 ushort __iomem *parp = &immap->im_ioport.iop_pcpar; 315 316 clrbits_be16(parp, 1 << (15 - iopin->pin)); 317 } else if (iopin->port == IOPIN_PORTD) { 318 ushort __iomem *parp = &immap->im_ioport.iop_pdpar; 319 320 clrbits_be16(parp, 1 << (15 - iopin->pin)); 321 } 322 } 323 324 static inline uint iopin_is_ded(iopin_t *iopin) 325 { 326 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 327 328 if (iopin->port == IOPIN_PORTA) { 329 ushort __iomem *parp = &immap->im_ioport.iop_papar; 330 331 return (in_be16(parp) >> (15 - iopin->pin)) & 1; 332 } else if (iopin->port == IOPIN_PORTB) { 333 uint __iomem *parp = &immap->im_cpm.cp_pbpar; 334 335 return (in_be32(parp) >> (31 - iopin->pin)) & 1; 336 } else if (iopin->port == IOPIN_PORTC) { 337 ushort __iomem *parp = &immap->im_ioport.iop_pcpar; 338 339 return (in_be16(parp) >> (15 - iopin->pin)) & 1; 340 } else if (iopin->port == IOPIN_PORTD) { 341 ushort __iomem *parp = &immap->im_ioport.iop_pdpar; 342 343 return (in_be16(parp) >> (15 - iopin->pin)) & 1; 344 } 345 return 0; 346 } 347 348 static inline uint iopin_is_gen(iopin_t *iopin) 349 { 350 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 351 352 if (iopin->port == IOPIN_PORTA) { 353 ushort __iomem *parp = &immap->im_ioport.iop_papar; 354 355 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1; 356 } else if (iopin->port == IOPIN_PORTB) { 357 uint __iomem *parp = &immap->im_cpm.cp_pbpar; 358 359 return ((in_be32(parp) >> (31 - iopin->pin)) & 1) ^ 1; 360 } else if (iopin->port == IOPIN_PORTC) { 361 ushort __iomem *parp = &immap->im_ioport.iop_pcpar; 362 363 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1; 364 } else if (iopin->port == IOPIN_PORTD) { 365 ushort __iomem *parp = &immap->im_ioport.iop_pdpar; 366 367 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1; 368 } 369 return 0; 370 } 371 372 static inline void iopin_set_opt2(iopin_t *iopin) 373 { 374 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 375 376 if (iopin->port == IOPIN_PORTC) { 377 ushort __iomem *sorp = &immap->im_ioport.iop_pcso; 378 379 setbits_be16(sorp, 1 << (15 - iopin->pin)); 380 } 381 } 382 383 static inline void iopin_set_opt1(iopin_t *iopin) 384 { 385 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 386 387 if (iopin->port == IOPIN_PORTC) { 388 ushort __iomem *sorp = &immap->im_ioport.iop_pcso; 389 390 clrbits_be16(sorp, 1 << (15 - iopin->pin)); 391 } 392 } 393 394 static inline uint iopin_is_opt2(iopin_t *iopin) 395 { 396 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 397 398 if (iopin->port == IOPIN_PORTC) { 399 ushort __iomem *sorp = &immap->im_ioport.iop_pcso; 400 401 return (in_be16(sorp) >> (15 - iopin->pin)) & 1; 402 } 403 return 0; 404 } 405 406 static inline uint iopin_is_opt1(iopin_t *iopin) 407 { 408 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 409 410 if (iopin->port == IOPIN_PORTC) { 411 ushort __iomem *sorp = &immap->im_ioport.iop_pcso; 412 413 return ((in_be16(sorp) >> (15 - iopin->pin)) & 1) ^ 1; 414 } 415 return 0; 416 } 417 418 static inline void iopin_set_falledge(iopin_t *iopin) 419 { 420 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 421 422 if (iopin->port == IOPIN_PORTC) { 423 ushort __iomem *intp = &immap->im_ioport.iop_pcint; 424 425 setbits_be16(intp, 1 << (15 - iopin->pin)); 426 } 427 } 428 429 static inline void iopin_set_anyedge(iopin_t *iopin) 430 { 431 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 432 433 if (iopin->port == IOPIN_PORTC) { 434 ushort __iomem *intp = &immap->im_ioport.iop_pcint; 435 436 clrbits_be16(intp, 1 << (15 - iopin->pin)); 437 } 438 } 439 440 static inline uint iopin_is_falledge(iopin_t *iopin) 441 { 442 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 443 444 if (iopin->port == IOPIN_PORTC) { 445 ushort __iomem *intp = &immap->im_ioport.iop_pcint; 446 447 return (in_be16(intp) >> (15 - iopin->pin)) & 1; 448 } 449 return 0; 450 } 451 452 static inline uint iopin_is_anyedge(iopin_t *iopin) 453 { 454 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 455 456 if (iopin->port == IOPIN_PORTC) { 457 ushort __iomem *intp = &immap->im_ioport.iop_pcint; 458 459 return ((in_be16(intp) >> (15 - iopin->pin)) & 1) ^ 1; 460 } 461 return 0; 462 } 463 464 #endif /* __KERNEL__ */ 465 466 #endif /* _ASM_IOPIN_8XX_H_ */ 467
