arch/sh/kernel/cpu/sh4a/setup-sh7780.c

   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                 .name   = "error_irq",
 326                 .start  = 34,
 327                 .end    = 34,
 328                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 329         },
 330 };
 331
 332 static struct resource sh7780_dmae1_resources[] = {
 333         [0] = {
 334                 /* Channel registers and DMAOR */
 335                 .start  = 0xfc818020,
 336                 .end    = 0xfc81808f,
 337                 .flags  = IORESOURCE_MEM,
 338         },
 339         /* DMAC1 has no DMARS */
 340         {
 341                 /* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */
 342                 .name   = "error_irq",
 343                 .start  = 46,
 344                 .end    = 46,
 345                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 346         },
 347 };
 348
 349 static struct platform_device dma0_device = {
 350         .name           = "sh-dma-engine",
 351         .id             = 0,
 352         .resource       = sh7780_dmae0_resources,
 353         .num_resources  = ARRAY_SIZE(sh7780_dmae0_resources),
 354         .dev            = {
 355                 .platform_data  = &dma0_platform_data,
 356         },
 357 };
 358
 359 static struct platform_device dma1_device = {
 360         .name           = "sh-dma-engine",
 361         .id             = 1,
 362         .resource       = sh7780_dmae1_resources,
 363         .num_resources  = ARRAY_SIZE(sh7780_dmae1_resources),
 364         .dev            = {
 365                 .platform_data  = &dma1_platform_data,
 366         },
 367 };
 368
 369 static struct platform_device *sh7780_devices[] __initdata = {
 370         &scif0_device,
 371         &scif1_device,
 372         &tmu0_device,
 373         &tmu1_device,
 374         &tmu2_device,
 375         &tmu3_device,
 376         &tmu4_device,
 377         &tmu5_device,
 378         &rtc_device,
 379         &dma0_device,
 380         &dma1_device,
 381 };
 382
 383 static int __init sh7780_devices_setup(void)
 384 {
 385         return platform_add_devices(sh7780_devices,
 386                                     ARRAY_SIZE(sh7780_devices));
 387 }
 388 arch_initcall(sh7780_devices_setup);
 389
 390 static struct platform_device *sh7780_early_devices[] __initdata = {
 391         &scif0_device,
 392         &scif1_device,
 393         &tmu0_device,
 394         &tmu1_device,
 395         &tmu2_device,
 396         &tmu3_device,
 397         &tmu4_device,
 398         &tmu5_device,
 399 };
 400
 401 void __init plat_early_device_setup(void)
 402 {
 403         if (mach_is_sh2007()) {
 404                 scif0_platform_data.scscr &= ~SCSCR_CKE1;
 405                 scif0_platform_data.scbrr_algo_id = SCBRR_ALGO_2;
 406                 scif1_platform_data.scscr &= ~SCSCR_CKE1;
 407                 scif1_platform_data.scbrr_algo_id = SCBRR_ALGO_2;
 408         }
 409
 410         early_platform_add_devices(sh7780_early_devices,
 411                                    ARRAY_SIZE(sh7780_early_devices));
 412 }
 413
 414 enum {
 415         UNUSED = 0,
 416
 417         /* interrupt sources */
 418
 419         IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 420         IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 421         IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 422         IRL_HHLL, IRL_HHLH, IRL_HHHL,
 423
 424         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 425         RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
 426         HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
 427         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
 428         SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
 429
 430         /* interrupt groups */
 431
 432         TMU012, TMU345,
 433 };
 434
 435 static struct intc_vect vectors[] __initdata = {
 436         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
 437         INTC_VECT(RTC, 0x4c0),
 438         INTC_VECT(WDT, 0x560),
 439         INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
 440         INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
 441         INTC_VECT(HUDI, 0x600),
 442         INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
 443         INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
 444         INTC_VECT(DMAC0, 0x6c0),
 445         INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
 446         INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
 447         INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
 448         INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
 449         INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
 450         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
 451         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
 452         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
 453         INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
 454         INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
 455         INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
 456         INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
 457         INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
 458         INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
 459         INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
 460         INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
 461         INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
 462         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
 463         INTC_VECT(TMU5, 0xe40),
 464         INTC_VECT(SSI, 0xe80),
 465         INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
 466         INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
 467         INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
 468         INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
 469 };
 470
 471 static struct intc_group groups[] __initdata = {
 472         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
 473         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
 474 };
 475
 476 static struct intc_mask_reg mask_registers[] __initdata = {
 477         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
 478           { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
 479             SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
 480             PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
 481             HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
 482 };
 483
 484 static struct intc_prio_reg prio_registers[] __initdata = {
 485         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
 486                                                  TMU2, TMU2_TICPI } },
 487         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
 488         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
 489         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
 490         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
 491                                                  PCISERR, PCIINTA, } },
 492         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
 493                                                  PCIINTD, PCIC5 } },
 494         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
 495         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
 496 };
 497
 498 static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
 499                          mask_registers, prio_registers, NULL);
 500
 501 /* Support for external interrupt pins in IRQ mode */
 502
 503 static struct intc_vect irq_vectors[] __initdata = {
 504         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
 505         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
 506         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
 507         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
 508 };
 509
 510 static struct intc_mask_reg irq_mask_registers[] __initdata = {
 511         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
 512           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 513 };
 514
 515 static struct intc_prio_reg irq_prio_registers[] __initdata = {
 516         { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
 517                                                IRQ4, IRQ5, IRQ6, IRQ7 } },
 518 };
 519
 520 static struct intc_sense_reg irq_sense_registers[] __initdata = {
 521         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 522                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 523 };
 524
 525 static struct intc_mask_reg irq_ack_registers[] __initdata = {
 526         { 0xffd00024, 0, 32, /* INTREQ */
 527           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 528 };
 529
 530 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
 531                              NULL, irq_mask_registers, irq_prio_registers,
 532                              irq_sense_registers, irq_ack_registers);
 533
 534 /* External interrupt pins in IRL mode */
 535
 536 static struct intc_vect irl_vectors[] __initdata = {
 537         INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
 538         INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
 539         INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
 540         INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
 541         INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
 542         INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
 543         INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
 544         INTC_VECT(IRL_HHHL, 0x3c0),
 545 };
 546
 547 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
 548         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 549           { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 550             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 551             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 552             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 553 };
 554
 555 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
 556         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 557           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 558             IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 559             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 560             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 561             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 562 };
 563
 564 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
 565                          NULL, irl7654_mask_registers, NULL, NULL);
 566
 567 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
 568                          NULL, irl3210_mask_registers, NULL, NULL);
 569
 570 #define INTC_ICR0       0xffd00000
 571 #define INTC_INTMSK0    0xffd00044
 572 #define INTC_INTMSK1    0xffd00048
 573 #define INTC_INTMSK2    0xffd40080
 574 #define INTC_INTMSKCLR1 0xffd00068
 575 #define INTC_INTMSKCLR2 0xffd40084
 576
 577 void __init plat_irq_setup(void)
 578 {
 579         /* disable IRQ7-0 */
 580         __raw_writel(0xff000000, INTC_INTMSK0);
 581
 582         /* disable IRL3-0 + IRL7-4 */
 583         __raw_writel(0xc0000000, INTC_INTMSK1);
 584         __raw_writel(0xfffefffe, INTC_INTMSK2);
 585
 586         /* select IRL mode for IRL3-0 + IRL7-4 */
 587         __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
 588
 589         /* disable holding function, ie enable "SH-4 Mode" */
 590         __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
 591
 592         register_intc_controller(&intc_desc);
 593 }
 594
 595 void __init plat_irq_setup_pins(int mode)
 596 {
 597         switch (mode) {
 598         case IRQ_MODE_IRQ:
 599                 /* select IRQ mode for IRL3-0 + IRL7-4 */
 600                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
 601                 register_intc_controller(&intc_irq_desc);
 602                 break;
 603         case IRQ_MODE_IRL7654:
 604                 /* enable IRL7-4 but don't provide any masking */
 605                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 606                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
 607                 break;
 608         case IRQ_MODE_IRL3210:
 609                 /* enable IRL0-3 but don't provide any masking */
 610                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 611                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
 612                 break;
 613         case IRQ_MODE_IRL7654_MASK:
 614                 /* enable IRL7-4 and mask using cpu intc controller */
 615                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 616                 register_intc_controller(&intc_irl7654_desc);
 617                 break;
 618         case IRQ_MODE_IRL3210_MASK:
 619                 /* enable IRL0-3 and mask using cpu intc controller */
 620                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 621                 register_intc_controller(&intc_irl3210_desc);
 622                 break;
 623         default:
 624                 BUG();
 625         }
 626 }