1 /* 2 * SH7780 Setup 3 * 4 * Copyright (C) 2006 Paul Mundt 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 */ 10 #include <linux/platform_device.h> 11 #include <linux/init.h> 12 #include <linux/serial.h> 13 #include <linux/io.h> 14 #include <linux/serial_sci.h> 15 #include <linux/sh_dma.h> 16 #include <linux/sh_timer.h> 17 #include <cpu/dma-register.h> 18 19 static struct plat_sci_port scif0_platform_data = { 20 .mapbase = 0xffe00000, 21 .flags = UPF_BOOT_AUTOCONF, 22 .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1, 23 .scbrr_algo_id = SCBRR_ALGO_1, 24 .type = PORT_SCIF, 25 .irqs = { 40, 40, 40, 40 }, 26 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE, 27 }; 28 29 static struct platform_device scif0_device = { 30 .name = "sh-sci", 31 .id = 0, 32 .dev = { 33 .platform_data = &scif0_platform_data, 34 }, 35 }; 36 37 static struct plat_sci_port scif1_platform_data = { 38 .mapbase = 0xffe10000, 39 .flags = UPF_BOOT_AUTOCONF, 40 .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1, 41 .scbrr_algo_id = SCBRR_ALGO_1, 42 .type = PORT_SCIF, 43 .irqs = { 76, 76, 76, 76 }, 44 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE, 45 }; 46 47 static struct platform_device scif1_device = { 48 .name = "sh-sci", 49 .id = 1, 50 .dev = { 51 .platform_data = &scif1_platform_data, 52 }, 53 }; 54 55 static struct sh_timer_config tmu0_platform_data = { 56 .channel_offset = 0x04, 57 .timer_bit = 0, 58 .clockevent_rating = 200, 59 }; 60 61 static struct resource tmu0_resources[] = { 62 [0] = { 63 .start = 0xffd80008, 64 .end = 0xffd80013, 65 .flags = IORESOURCE_MEM, 66 }, 67 [1] = { 68 .start = 28, 69 .flags = IORESOURCE_IRQ, 70 }, 71 }; 72 73 static struct platform_device tmu0_device = { 74 .name = "sh_tmu", 75 .id = 0, 76 .dev = { 77 .platform_data = &tmu0_platform_data, 78 }, 79 .resource = tmu0_resources, 80 .num_resources = ARRAY_SIZE(tmu0_resources), 81 }; 82 83 static struct sh_timer_config tmu1_platform_data = { 84 .channel_offset = 0x10, 85 .timer_bit = 1, 86 .clocksource_rating = 200, 87 }; 88 89 static struct resource tmu1_resources[] = { 90 [0] = { 91 .start = 0xffd80014, 92 .end = 0xffd8001f, 93 .flags = IORESOURCE_MEM, 94 }, 95 [1] = { 96 .start = 29, 97 .flags = IORESOURCE_IRQ, 98 }, 99 }; 100 101 static struct platform_device tmu1_device = { 102 .name = "sh_tmu", 103 .id = 1, 104 .dev = { 105 .platform_data = &tmu1_platform_data, 106 }, 107 .resource = tmu1_resources, 108 .num_resources = ARRAY_SIZE(tmu1_resources), 109 }; 110 111 static struct sh_timer_config tmu2_platform_data = { 112 .channel_offset = 0x1c, 113 .timer_bit = 2, 114 }; 115 116 static struct resource tmu2_resources[] = { 117 [0] = { 118 .start = 0xffd80020, 119 .end = 0xffd8002f, 120 .flags = IORESOURCE_MEM, 121 }, 122 [1] = { 123 .start = 30, 124 .flags = IORESOURCE_IRQ, 125 }, 126 }; 127 128 static struct platform_device tmu2_device = { 129 .name = "sh_tmu", 130 .id = 2, 131 .dev = { 132 .platform_data = &tmu2_platform_data, 133 }, 134 .resource = tmu2_resources, 135 .num_resources = ARRAY_SIZE(tmu2_resources), 136 }; 137 138 static struct sh_timer_config tmu3_platform_data = { 139 .channel_offset = 0x04, 140 .timer_bit = 0, 141 }; 142 143 static struct resource tmu3_resources[] = { 144 [0] = { 145 .start = 0xffdc0008, 146 .end = 0xffdc0013, 147 .flags = IORESOURCE_MEM, 148 }, 149 [1] = { 150 .start = 96, 151 .flags = IORESOURCE_IRQ, 152 }, 153 }; 154 155 static struct platform_device tmu3_device = { 156 .name = "sh_tmu", 157 .id = 3, 158 .dev = { 159 .platform_data = &tmu3_platform_data, 160 }, 161 .resource = tmu3_resources, 162 .num_resources = ARRAY_SIZE(tmu3_resources), 163 }; 164 165 static struct sh_timer_config tmu4_platform_data = { 166 .channel_offset = 0x10, 167 .timer_bit = 1, 168 }; 169 170 static struct resource tmu4_resources[] = { 171 [0] = { 172 .start = 0xffdc0014, 173 .end = 0xffdc001f, 174 .flags = IORESOURCE_MEM, 175 }, 176 [1] = { 177 .start = 97, 178 .flags = IORESOURCE_IRQ, 179 }, 180 }; 181 182 static struct platform_device tmu4_device = { 183 .name = "sh_tmu", 184 .id = 4, 185 .dev = { 186 .platform_data = &tmu4_platform_data, 187 }, 188 .resource = tmu4_resources, 189 .num_resources = ARRAY_SIZE(tmu4_resources), 190 }; 191 192 static struct sh_timer_config tmu5_platform_data = { 193 .channel_offset = 0x1c, 194 .timer_bit = 2, 195 }; 196 197 static struct resource tmu5_resources[] = { 198 [0] = { 199 .start = 0xffdc0020, 200 .end = 0xffdc002b, 201 .flags = IORESOURCE_MEM, 202 }, 203 [1] = { 204 .start = 98, 205 .flags = IORESOURCE_IRQ, 206 }, 207 }; 208 209 static struct platform_device tmu5_device = { 210 .name = "sh_tmu", 211 .id = 5, 212 .dev = { 213 .platform_data = &tmu5_platform_data, 214 }, 215 .resource = tmu5_resources, 216 .num_resources = ARRAY_SIZE(tmu5_resources), 217 }; 218 219 static struct resource rtc_resources[] = { 220 [0] = { 221 .start = 0xffe80000, 222 .end = 0xffe80000 + 0x58 - 1, 223 .flags = IORESOURCE_IO, 224 }, 225 [1] = { 226 /* Shared Period/Carry/Alarm IRQ */ 227 .start = 20, 228 .flags = IORESOURCE_IRQ, 229 }, 230 }; 231 232 static struct platform_device rtc_device = { 233 .name = "sh-rtc", 234 .id = -1, 235 .num_resources = ARRAY_SIZE(rtc_resources), 236 .resource = rtc_resources, 237 }; 238 239 /* DMA */ 240 static const struct sh_dmae_channel sh7780_dmae0_channels[] = { 241 { 242 .offset = 0, 243 .dmars = 0, 244 .dmars_bit = 0, 245 }, { 246 .offset = 0x10, 247 .dmars = 0, 248 .dmars_bit = 8, 249 }, { 250 .offset = 0x20, 251 .dmars = 4, 252 .dmars_bit = 0, 253 }, { 254 .offset = 0x30, 255 .dmars = 4, 256 .dmars_bit = 8, 257 }, { 258 .offset = 0x50, 259 .dmars = 8, 260 .dmars_bit = 0, 261 }, { 262 .offset = 0x60, 263 .dmars = 8, 264 .dmars_bit = 8, 265 } 266 }; 267 268 static const struct sh_dmae_channel sh7780_dmae1_channels[] = { 269 { 270 .offset = 0, 271 }, { 272 .offset = 0x10, 273 }, { 274 .offset = 0x20, 275 }, { 276 .offset = 0x30, 277 }, { 278 .offset = 0x50, 279 }, { 280 .offset = 0x60, 281 } 282 }; 283 284 static const unsigned int ts_shift[] = TS_SHIFT; 285 286 static struct sh_dmae_pdata dma0_platform_data = { 287 .channel = sh7780_dmae0_channels, 288 .channel_num = ARRAY_SIZE(sh7780_dmae0_channels), 289 .ts_low_shift = CHCR_TS_LOW_SHIFT, 290 .ts_low_mask = CHCR_TS_LOW_MASK, 291 .ts_high_shift = CHCR_TS_HIGH_SHIFT, 292 .ts_high_mask = CHCR_TS_HIGH_MASK, 293 .ts_shift = ts_shift, 294 .ts_shift_num = ARRAY_SIZE(ts_shift), 295 .dmaor_init = DMAOR_INIT, 296 }; 297 298 static struct sh_dmae_pdata dma1_platform_data = { 299 .channel = sh7780_dmae1_channels, 300 .channel_num = ARRAY_SIZE(sh7780_dmae1_channels), 301 .ts_low_shift = CHCR_TS_LOW_SHIFT, 302 .ts_low_mask = CHCR_TS_LOW_MASK, 303 .ts_high_shift = CHCR_TS_HIGH_SHIFT, 304 .ts_high_mask = CHCR_TS_HIGH_MASK, 305 .ts_shift = ts_shift, 306 .ts_shift_num = ARRAY_SIZE(ts_shift), 307 .dmaor_init = DMAOR_INIT, 308 }; 309 310 static struct resource sh7780_dmae0_resources[] = { 311 [0] = { 312 /* Channel registers and DMAOR */ 313 .start = 0xfc808020, 314 .end = 0xfc80808f, 315 .flags = IORESOURCE_MEM, 316 }, 317 [1] = { 318 /* DMARSx */ 319 .start = 0xfc809000, 320 .end = 0xfc80900b, 321 .flags = IORESOURCE_MEM, 322 }, 323 { 324 /* Real DMA error IRQ is 38, and channel IRQs are 34-37, 44-45 */ 325 .start = 34, 326 .end = 34, 327 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, 328 }, 329 }; 330 331 static struct resource sh7780_dmae1_resources[] = { 332 [0] = { 333 /* Channel registers and DMAOR */ 334 .start = 0xfc818020, 335 .end = 0xfc81808f, 336 .flags = IORESOURCE_MEM, 337 }, 338 /* DMAC1 has no DMARS */ 339 { 340 /* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */ 341 .start = 46, 342 .end = 46, 343 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, 344 }, 345 }; 346 347 static struct platform_device dma0_device = { 348 .name = "sh-dma-engine", 349 .id = 0, 350 .resource = sh7780_dmae0_resources, 351 .num_resources = ARRAY_SIZE(sh7780_dmae0_resources), 352 .dev = { 353 .platform_data = &dma0_platform_data, 354 }, 355 }; 356 357 static struct platform_device dma1_device = { 358 .name = "sh-dma-engine", 359 .id = 1, 360 .resource = sh7780_dmae1_resources, 361 .num_resources = ARRAY_SIZE(sh7780_dmae1_resources), 362 .dev = { 363 .platform_data = &dma1_platform_data, 364 }, 365 }; 366 367 static struct platform_device *sh7780_devices[] __initdata = { 368 &scif0_device, 369 &scif1_device, 370 &tmu0_device, 371 &tmu1_device, 372 &tmu2_device, 373 &tmu3_device, 374 &tmu4_device, 375 &tmu5_device, 376 &rtc_device, 377 &dma0_device, 378 &dma1_device, 379 }; 380 381 static int __init sh7780_devices_setup(void) 382 { 383 return platform_add_devices(sh7780_devices, 384 ARRAY_SIZE(sh7780_devices)); 385 } 386 arch_initcall(sh7780_devices_setup); 387 388 static struct platform_device *sh7780_early_devices[] __initdata = { 389 &scif0_device, 390 &scif1_device, 391 &tmu0_device, 392 &tmu1_device, 393 &tmu2_device, 394 &tmu3_device, 395 &tmu4_device, 396 &tmu5_device, 397 }; 398 399 void __init plat_early_device_setup(void) 400 { 401 if (mach_is_sh2007()) { 402 scif0_platform_data.scscr &= ~SCSCR_CKE1; 403 scif0_platform_data.scbrr_algo_id = SCBRR_ALGO_2; 404 scif1_platform_data.scscr &= ~SCSCR_CKE1; 405 scif1_platform_data.scbrr_algo_id = SCBRR_ALGO_2; 406 } 407 408 early_platform_add_devices(sh7780_early_devices, 409 ARRAY_SIZE(sh7780_early_devices)); 410 } 411 412 enum { 413 UNUSED = 0, 414 415 /* interrupt sources */ 416 417 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, 418 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, 419 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, 420 IRL_HHLL, IRL_HHLH, IRL_HHHL, 421 422 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, 423 RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI, 424 HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC, 425 PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5, 426 SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO, 427 428 /* interrupt groups */ 429 430 TMU012, TMU345, 431 }; 432 433 static struct intc_vect vectors[] __initdata = { 434 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), 435 INTC_VECT(RTC, 0x4c0), 436 INTC_VECT(WDT, 0x560), 437 INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0), 438 INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0), 439 INTC_VECT(HUDI, 0x600), 440 INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660), 441 INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0), 442 INTC_VECT(DMAC0, 0x6c0), 443 INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720), 444 INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760), 445 INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0), 446 INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0), 447 INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980), 448 INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20), 449 INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60), 450 INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0), 451 INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0), 452 INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20), 453 INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0), 454 INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0), 455 INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80), 456 INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20), 457 INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60), 458 INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0), 459 INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0), 460 INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20), 461 INTC_VECT(TMU5, 0xe40), 462 INTC_VECT(SSI, 0xe80), 463 INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20), 464 INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60), 465 INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0), 466 INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0), 467 }; 468 469 static struct intc_group groups[] __initdata = { 470 INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI), 471 INTC_GROUP(TMU345, TMU3, TMU4, TMU5), 472 }; 473 474 static struct intc_mask_reg mask_registers[] __initdata = { 475 { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */ 476 { 0, 0, 0, 0, 0, 0, GPIO, FLCTL, 477 SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB, 478 PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0, 479 HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } }, 480 }; 481 482 static struct intc_prio_reg prio_registers[] __initdata = { 483 { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1, 484 TMU2, TMU2_TICPI } }, 485 { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } }, 486 { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } }, 487 { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } }, 488 { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC, 489 PCISERR, PCIINTA, } }, 490 { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC, 491 PCIINTD, PCIC5 } }, 492 { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } }, 493 { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } }, 494 }; 495 496 static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups, 497 mask_registers, prio_registers, NULL); 498 499 /* Support for external interrupt pins in IRQ mode */ 500 501 static struct intc_vect irq_vectors[] __initdata = { 502 INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280), 503 INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300), 504 INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380), 505 INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200), 506 }; 507 508 static struct intc_mask_reg irq_mask_registers[] __initdata = { 509 { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */ 510 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, 511 }; 512 513 static struct intc_prio_reg irq_prio_registers[] __initdata = { 514 { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3, 515 IRQ4, IRQ5, IRQ6, IRQ7 } }, 516 }; 517 518 static struct intc_sense_reg irq_sense_registers[] __initdata = { 519 { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3, 520 IRQ4, IRQ5, IRQ6, IRQ7 } }, 521 }; 522 523 static struct intc_mask_reg irq_ack_registers[] __initdata = { 524 { 0xffd00024, 0, 32, /* INTREQ */ 525 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, 526 }; 527 528 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors, 529 NULL, irq_mask_registers, irq_prio_registers, 530 irq_sense_registers, irq_ack_registers); 531 532 /* External interrupt pins in IRL mode */ 533 534 static struct intc_vect irl_vectors[] __initdata = { 535 INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220), 536 INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260), 537 INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0), 538 INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0), 539 INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320), 540 INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360), 541 INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0), 542 INTC_VECT(IRL_HHHL, 0x3c0), 543 }; 544 545 static struct intc_mask_reg irl3210_mask_registers[] __initdata = { 546 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ 547 { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, 548 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, 549 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, 550 IRL_HHLL, IRL_HHLH, IRL_HHHL, } }, 551 }; 552 553 static struct intc_mask_reg irl7654_mask_registers[] __initdata = { 554 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ 555 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 556 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, 557 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, 558 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, 559 IRL_HHLL, IRL_HHLH, IRL_HHHL, } }, 560 }; 561 562 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors, 563 NULL, irl7654_mask_registers, NULL, NULL); 564 565 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors, 566 NULL, irl3210_mask_registers, NULL, NULL); 567 568 #define INTC_ICR0 0xffd00000 569 #define INTC_INTMSK0 0xffd00044 570 #define INTC_INTMSK1 0xffd00048 571 #define INTC_INTMSK2 0xffd40080 572 #define INTC_INTMSKCLR1 0xffd00068 573 #define INTC_INTMSKCLR2 0xffd40084 574 575 void __init plat_irq_setup(void) 576 { 577 /* disable IRQ7-0 */ 578 __raw_writel(0xff000000, INTC_INTMSK0); 579 580 /* disable IRL3-0 + IRL7-4 */ 581 __raw_writel(0xc0000000, INTC_INTMSK1); 582 __raw_writel(0xfffefffe, INTC_INTMSK2); 583 584 /* select IRL mode for IRL3-0 + IRL7-4 */ 585 __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0); 586 587 /* disable holding function, ie enable "SH-4 Mode" */ 588 __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0); 589 590 register_intc_controller(&intc_desc); 591 } 592 593 void __init plat_irq_setup_pins(int mode) 594 { 595 switch (mode) { 596 case IRQ_MODE_IRQ: 597 /* select IRQ mode for IRL3-0 + IRL7-4 */ 598 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0); 599 register_intc_controller(&intc_irq_desc); 600 break; 601 case IRQ_MODE_IRL7654: 602 /* enable IRL7-4 but don't provide any masking */ 603 __raw_writel(0x40000000, INTC_INTMSKCLR1); 604 __raw_writel(0x0000fffe, INTC_INTMSKCLR2); 605 break; 606 case IRQ_MODE_IRL3210: 607 /* enable IRL0-3 but don't provide any masking */ 608 __raw_writel(0x80000000, INTC_INTMSKCLR1); 609 __raw_writel(0xfffe0000, INTC_INTMSKCLR2); 610 break; 611 case IRQ_MODE_IRL7654_MASK: 612 /* enable IRL7-4 and mask using cpu intc controller */ 613 __raw_writel(0x40000000, INTC_INTMSKCLR1); 614 register_intc_controller(&intc_irl7654_desc); 615 break; 616 case IRQ_MODE_IRL3210_MASK: 617 /* enable IRL0-3 and mask using cpu intc controller */ 618 __raw_writel(0x80000000, INTC_INTMSKCLR1); 619 register_intc_controller(&intc_irl3210_desc); 620 break; 621 default: 622 BUG(); 623 } 624 } 625