linux/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
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   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 <linux/sh_intc.h>
  18#include <cpu/dma-register.h>
  19
  20static struct plat_sci_port scif0_platform_data = {
  21        .mapbase        = 0xffe00000,
  22        .flags          = UPF_BOOT_AUTOCONF,
  23        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
  24        .scbrr_algo_id  = SCBRR_ALGO_1,
  25        .type           = PORT_SCIF,
  26        .irqs           = SCIx_IRQ_MUXED(evt2irq(0x700)),
  27        .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  28};
  29
  30static struct platform_device scif0_device = {
  31        .name           = "sh-sci",
  32        .id             = 0,
  33        .dev            = {
  34                .platform_data  = &scif0_platform_data,
  35        },
  36};
  37
  38static struct plat_sci_port scif1_platform_data = {
  39        .mapbase        = 0xffe10000,
  40        .flags          = UPF_BOOT_AUTOCONF,
  41        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
  42        .scbrr_algo_id  = SCBRR_ALGO_1,
  43        .type           = PORT_SCIF,
  44        .irqs           = SCIx_IRQ_MUXED(evt2irq(0xb80)),
  45        .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  46};
  47
  48static struct platform_device scif1_device = {
  49        .name           = "sh-sci",
  50        .id             = 1,
  51        .dev            = {
  52                .platform_data  = &scif1_platform_data,
  53        },
  54};
  55
  56static struct sh_timer_config tmu0_platform_data = {
  57        .channel_offset = 0x04,
  58        .timer_bit = 0,
  59        .clockevent_rating = 200,
  60};
  61
  62static struct resource tmu0_resources[] = {
  63        [0] = {
  64                .start  = 0xffd80008,
  65                .end    = 0xffd80013,
  66                .flags  = IORESOURCE_MEM,
  67        },
  68        [1] = {
  69                .start  = evt2irq(0x580),
  70                .flags  = IORESOURCE_IRQ,
  71        },
  72};
  73
  74static struct platform_device tmu0_device = {
  75        .name           = "sh_tmu",
  76        .id             = 0,
  77        .dev = {
  78                .platform_data  = &tmu0_platform_data,
  79        },
  80        .resource       = tmu0_resources,
  81        .num_resources  = ARRAY_SIZE(tmu0_resources),
  82};
  83
  84static struct sh_timer_config tmu1_platform_data = {
  85        .channel_offset = 0x10,
  86        .timer_bit = 1,
  87        .clocksource_rating = 200,
  88};
  89
  90static struct resource tmu1_resources[] = {
  91        [0] = {
  92                .start  = 0xffd80014,
  93                .end    = 0xffd8001f,
  94                .flags  = IORESOURCE_MEM,
  95        },
  96        [1] = {
  97                .start  = evt2irq(0x5a0),
  98                .flags  = IORESOURCE_IRQ,
  99        },
 100};
 101
 102static struct platform_device tmu1_device = {
 103        .name           = "sh_tmu",
 104        .id             = 1,
 105        .dev = {
 106                .platform_data  = &tmu1_platform_data,
 107        },
 108        .resource       = tmu1_resources,
 109        .num_resources  = ARRAY_SIZE(tmu1_resources),
 110};
 111
 112static struct sh_timer_config tmu2_platform_data = {
 113        .channel_offset = 0x1c,
 114        .timer_bit = 2,
 115};
 116
 117static struct resource tmu2_resources[] = {
 118        [0] = {
 119                .start  = 0xffd80020,
 120                .end    = 0xffd8002f,
 121                .flags  = IORESOURCE_MEM,
 122        },
 123        [1] = {
 124                .start  = evt2irq(0x5c0),
 125                .flags  = IORESOURCE_IRQ,
 126        },
 127};
 128
 129static struct platform_device tmu2_device = {
 130        .name           = "sh_tmu",
 131        .id             = 2,
 132        .dev = {
 133                .platform_data  = &tmu2_platform_data,
 134        },
 135        .resource       = tmu2_resources,
 136        .num_resources  = ARRAY_SIZE(tmu2_resources),
 137};
 138
 139static struct sh_timer_config tmu3_platform_data = {
 140        .channel_offset = 0x04,
 141        .timer_bit = 0,
 142};
 143
 144static struct resource tmu3_resources[] = {
 145        [0] = {
 146                .start  = 0xffdc0008,
 147                .end    = 0xffdc0013,
 148                .flags  = IORESOURCE_MEM,
 149        },
 150        [1] = {
 151                .start  = evt2irq(0xe00),
 152                .flags  = IORESOURCE_IRQ,
 153        },
 154};
 155
 156static struct platform_device tmu3_device = {
 157        .name           = "sh_tmu",
 158        .id             = 3,
 159        .dev = {
 160                .platform_data  = &tmu3_platform_data,
 161        },
 162        .resource       = tmu3_resources,
 163        .num_resources  = ARRAY_SIZE(tmu3_resources),
 164};
 165
 166static struct sh_timer_config tmu4_platform_data = {
 167        .channel_offset = 0x10,
 168        .timer_bit = 1,
 169};
 170
 171static struct resource tmu4_resources[] = {
 172        [0] = {
 173                .start  = 0xffdc0014,
 174                .end    = 0xffdc001f,
 175                .flags  = IORESOURCE_MEM,
 176        },
 177        [1] = {
 178                .start  = evt2irq(0xe20),
 179                .flags  = IORESOURCE_IRQ,
 180        },
 181};
 182
 183static struct platform_device tmu4_device = {
 184        .name           = "sh_tmu",
 185        .id             = 4,
 186        .dev = {
 187                .platform_data  = &tmu4_platform_data,
 188        },
 189        .resource       = tmu4_resources,
 190        .num_resources  = ARRAY_SIZE(tmu4_resources),
 191};
 192
 193static struct sh_timer_config tmu5_platform_data = {
 194        .channel_offset = 0x1c,
 195        .timer_bit = 2,
 196};
 197
 198static struct resource tmu5_resources[] = {
 199        [0] = {
 200                .start  = 0xffdc0020,
 201                .end    = 0xffdc002b,
 202                .flags  = IORESOURCE_MEM,
 203        },
 204        [1] = {
 205                .start  = evt2irq(0xe40),
 206                .flags  = IORESOURCE_IRQ,
 207        },
 208};
 209
 210static struct platform_device tmu5_device = {
 211        .name           = "sh_tmu",
 212        .id             = 5,
 213        .dev = {
 214                .platform_data  = &tmu5_platform_data,
 215        },
 216        .resource       = tmu5_resources,
 217        .num_resources  = ARRAY_SIZE(tmu5_resources),
 218};
 219
 220static struct resource rtc_resources[] = {
 221        [0] = {
 222                .start  = 0xffe80000,
 223                .end    = 0xffe80000 + 0x58 - 1,
 224                .flags  = IORESOURCE_IO,
 225        },
 226        [1] = {
 227                /* Shared Period/Carry/Alarm IRQ */
 228                .start  = evt2irq(0x480),
 229                .flags  = IORESOURCE_IRQ,
 230        },
 231};
 232
 233static struct platform_device rtc_device = {
 234        .name           = "sh-rtc",
 235        .id             = -1,
 236        .num_resources  = ARRAY_SIZE(rtc_resources),
 237        .resource       = rtc_resources,
 238};
 239
 240/* DMA */
 241static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
 242        {
 243                .offset = 0,
 244                .dmars = 0,
 245                .dmars_bit = 0,
 246        }, {
 247                .offset = 0x10,
 248                .dmars = 0,
 249                .dmars_bit = 8,
 250        }, {
 251                .offset = 0x20,
 252                .dmars = 4,
 253                .dmars_bit = 0,
 254        }, {
 255                .offset = 0x30,
 256                .dmars = 4,
 257                .dmars_bit = 8,
 258        }, {
 259                .offset = 0x50,
 260                .dmars = 8,
 261                .dmars_bit = 0,
 262        }, {
 263                .offset = 0x60,
 264                .dmars = 8,
 265                .dmars_bit = 8,
 266        }
 267};
 268
 269static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
 270        {
 271                .offset = 0,
 272        }, {
 273                .offset = 0x10,
 274        }, {
 275                .offset = 0x20,
 276        }, {
 277                .offset = 0x30,
 278        }, {
 279                .offset = 0x50,
 280        }, {
 281                .offset = 0x60,
 282        }
 283};
 284
 285static const unsigned int ts_shift[] = TS_SHIFT;
 286
 287static struct sh_dmae_pdata dma0_platform_data = {
 288        .channel        = sh7780_dmae0_channels,
 289        .channel_num    = ARRAY_SIZE(sh7780_dmae0_channels),
 290        .ts_low_shift   = CHCR_TS_LOW_SHIFT,
 291        .ts_low_mask    = CHCR_TS_LOW_MASK,
 292        .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
 293        .ts_high_mask   = CHCR_TS_HIGH_MASK,
 294        .ts_shift       = ts_shift,
 295        .ts_shift_num   = ARRAY_SIZE(ts_shift),
 296        .dmaor_init     = DMAOR_INIT,
 297};
 298
 299static struct sh_dmae_pdata dma1_platform_data = {
 300        .channel        = sh7780_dmae1_channels,
 301        .channel_num    = ARRAY_SIZE(sh7780_dmae1_channels),
 302        .ts_low_shift   = CHCR_TS_LOW_SHIFT,
 303        .ts_low_mask    = CHCR_TS_LOW_MASK,
 304        .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
 305        .ts_high_mask   = CHCR_TS_HIGH_MASK,
 306        .ts_shift       = ts_shift,
 307        .ts_shift_num   = ARRAY_SIZE(ts_shift),
 308        .dmaor_init     = DMAOR_INIT,
 309};
 310
 311static struct resource sh7780_dmae0_resources[] = {
 312        [0] = {
 313                /* Channel registers and DMAOR */
 314                .start  = 0xfc808020,
 315                .end    = 0xfc80808f,
 316                .flags  = IORESOURCE_MEM,
 317        },
 318        [1] = {
 319                /* DMARSx */
 320                .start  = 0xfc809000,
 321                .end    = 0xfc80900b,
 322                .flags  = IORESOURCE_MEM,
 323        },
 324        {
 325                /*
 326                 * Real DMA error vector is 0x6c0, and channel
 327                 * vectors are 0x640-0x6a0, 0x780-0x7a0
 328                 */
 329                .name   = "error_irq",
 330                .start  = evt2irq(0x640),
 331                .end    = evt2irq(0x640),
 332                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 333        },
 334};
 335
 336static struct resource sh7780_dmae1_resources[] = {
 337        [0] = {
 338                /* Channel registers and DMAOR */
 339                .start  = 0xfc818020,
 340                .end    = 0xfc81808f,
 341                .flags  = IORESOURCE_MEM,
 342        },
 343        /* DMAC1 has no DMARS */
 344        {
 345                /*
 346                 * Real DMA error vector is 0x6c0, and channel
 347                 * vectors are 0x7c0-0x7e0, 0xd80-0xde0
 348                 */
 349                .name   = "error_irq",
 350                .start  = evt2irq(0x7c0),
 351                .end    = evt2irq(0x7c0),
 352                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 353        },
 354};
 355
 356static struct platform_device dma0_device = {
 357        .name           = "sh-dma-engine",
 358        .id             = 0,
 359        .resource       = sh7780_dmae0_resources,
 360        .num_resources  = ARRAY_SIZE(sh7780_dmae0_resources),
 361        .dev            = {
 362                .platform_data  = &dma0_platform_data,
 363        },
 364};
 365
 366static struct platform_device dma1_device = {
 367        .name           = "sh-dma-engine",
 368        .id             = 1,
 369        .resource       = sh7780_dmae1_resources,
 370        .num_resources  = ARRAY_SIZE(sh7780_dmae1_resources),
 371        .dev            = {
 372                .platform_data  = &dma1_platform_data,
 373        },
 374};
 375
 376static struct platform_device *sh7780_devices[] __initdata = {
 377        &scif0_device,
 378        &scif1_device,
 379        &tmu0_device,
 380        &tmu1_device,
 381        &tmu2_device,
 382        &tmu3_device,
 383        &tmu4_device,
 384        &tmu5_device,
 385        &rtc_device,
 386        &dma0_device,
 387        &dma1_device,
 388};
 389
 390static int __init sh7780_devices_setup(void)
 391{
 392        return platform_add_devices(sh7780_devices,
 393                                    ARRAY_SIZE(sh7780_devices));
 394}
 395arch_initcall(sh7780_devices_setup);
 396
 397static struct platform_device *sh7780_early_devices[] __initdata = {
 398        &scif0_device,
 399        &scif1_device,
 400        &tmu0_device,
 401        &tmu1_device,
 402        &tmu2_device,
 403        &tmu3_device,
 404        &tmu4_device,
 405        &tmu5_device,
 406};
 407
 408void __init plat_early_device_setup(void)
 409{
 410        if (mach_is_sh2007()) {
 411                scif0_platform_data.scscr &= ~SCSCR_CKE1;
 412                scif0_platform_data.scbrr_algo_id = SCBRR_ALGO_2;
 413                scif1_platform_data.scscr &= ~SCSCR_CKE1;
 414                scif1_platform_data.scbrr_algo_id = SCBRR_ALGO_2;
 415        }
 416
 417        early_platform_add_devices(sh7780_early_devices,
 418                                   ARRAY_SIZE(sh7780_early_devices));
 419}
 420
 421enum {
 422        UNUSED = 0,
 423
 424        /* interrupt sources */
 425
 426        IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 427        IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 428        IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 429        IRL_HHLL, IRL_HHLH, IRL_HHHL,
 430
 431        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 432        RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
 433        HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
 434        PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
 435        SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
 436
 437        /* interrupt groups */
 438
 439        TMU012, TMU345,
 440};
 441
 442static struct intc_vect vectors[] __initdata = {
 443        INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
 444        INTC_VECT(RTC, 0x4c0),
 445        INTC_VECT(WDT, 0x560),
 446        INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
 447        INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
 448        INTC_VECT(HUDI, 0x600),
 449        INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
 450        INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
 451        INTC_VECT(DMAC0, 0x6c0),
 452        INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
 453        INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
 454        INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
 455        INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
 456        INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
 457        INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
 458        INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
 459        INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
 460        INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
 461        INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
 462        INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
 463        INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
 464        INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
 465        INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
 466        INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
 467        INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
 468        INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
 469        INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
 470        INTC_VECT(TMU5, 0xe40),
 471        INTC_VECT(SSI, 0xe80),
 472        INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
 473        INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
 474        INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
 475        INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
 476};
 477
 478static struct intc_group groups[] __initdata = {
 479        INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
 480        INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
 481};
 482
 483static struct intc_mask_reg mask_registers[] __initdata = {
 484        { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
 485          { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
 486            SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
 487            PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
 488            HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
 489};
 490
 491static struct intc_prio_reg prio_registers[] __initdata = {
 492        { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
 493                                                 TMU2, TMU2_TICPI } },
 494        { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
 495        { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
 496        { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
 497        { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
 498                                                 PCISERR, PCIINTA, } },
 499        { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
 500                                                 PCIINTD, PCIC5 } },
 501        { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
 502        { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
 503};
 504
 505static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
 506                         mask_registers, prio_registers, NULL);
 507
 508/* Support for external interrupt pins in IRQ mode */
 509
 510static struct intc_vect irq_vectors[] __initdata = {
 511        INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
 512        INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
 513        INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
 514        INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
 515};
 516
 517static struct intc_mask_reg irq_mask_registers[] __initdata = {
 518        { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
 519          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 520};
 521
 522static struct intc_prio_reg irq_prio_registers[] __initdata = {
 523        { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
 524                                               IRQ4, IRQ5, IRQ6, IRQ7 } },
 525};
 526
 527static struct intc_sense_reg irq_sense_registers[] __initdata = {
 528        { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 529                                            IRQ4, IRQ5, IRQ6, IRQ7 } },
 530};
 531
 532static struct intc_mask_reg irq_ack_registers[] __initdata = {
 533        { 0xffd00024, 0, 32, /* INTREQ */
 534          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 535};
 536
 537static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
 538                             NULL, irq_mask_registers, irq_prio_registers,
 539                             irq_sense_registers, irq_ack_registers);
 540
 541/* External interrupt pins in IRL mode */
 542
 543static struct intc_vect irl_vectors[] __initdata = {
 544        INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
 545        INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
 546        INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
 547        INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
 548        INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
 549        INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
 550        INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
 551        INTC_VECT(IRL_HHHL, 0x3c0),
 552};
 553
 554static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
 555        { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 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
 562static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
 563        { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 564          { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 565            IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 566            IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 567            IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 568            IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 569};
 570
 571static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
 572                         NULL, irl7654_mask_registers, NULL, NULL);
 573
 574static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
 575                         NULL, irl3210_mask_registers, NULL, NULL);
 576
 577#define INTC_ICR0       0xffd00000
 578#define INTC_INTMSK0    0xffd00044
 579#define INTC_INTMSK1    0xffd00048
 580#define INTC_INTMSK2    0xffd40080
 581#define INTC_INTMSKCLR1 0xffd00068
 582#define INTC_INTMSKCLR2 0xffd40084
 583
 584void __init plat_irq_setup(void)
 585{
 586        /* disable IRQ7-0 */
 587        __raw_writel(0xff000000, INTC_INTMSK0);
 588
 589        /* disable IRL3-0 + IRL7-4 */
 590        __raw_writel(0xc0000000, INTC_INTMSK1);
 591        __raw_writel(0xfffefffe, INTC_INTMSK2);
 592
 593        /* select IRL mode for IRL3-0 + IRL7-4 */
 594        __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
 595
 596        /* disable holding function, ie enable "SH-4 Mode" */
 597        __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
 598
 599        register_intc_controller(&intc_desc);
 600}
 601
 602void __init plat_irq_setup_pins(int mode)
 603{
 604        switch (mode) {
 605        case IRQ_MODE_IRQ:
 606                /* select IRQ mode for IRL3-0 + IRL7-4 */
 607                __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
 608                register_intc_controller(&intc_irq_desc);
 609                break;
 610        case IRQ_MODE_IRL7654:
 611                /* enable IRL7-4 but don't provide any masking */
 612                __raw_writel(0x40000000, INTC_INTMSKCLR1);
 613                __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
 614                break;
 615        case IRQ_MODE_IRL3210:
 616                /* enable IRL0-3 but don't provide any masking */
 617                __raw_writel(0x80000000, INTC_INTMSKCLR1);
 618                __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
 619                break;
 620        case IRQ_MODE_IRL7654_MASK:
 621                /* enable IRL7-4 and mask using cpu intc controller */
 622                __raw_writel(0x40000000, INTC_INTMSKCLR1);
 623                register_intc_controller(&intc_irl7654_desc);
 624                break;
 625        case IRQ_MODE_IRL3210_MASK:
 626                /* enable IRL0-3 and mask using cpu intc controller */
 627                __raw_writel(0x80000000, INTC_INTMSKCLR1);
 628                register_intc_controller(&intc_irl3210_desc);
 629                break;
 630        default:
 631                BUG();
 632        }
 633}
 634