linux/arch/arm/mach-shmobile/setup-r8a7740.c
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   1/*
   2 * R8A7740 processor support
   3 *
   4 * Copyright (C) 2011  Renesas Solutions Corp.
   5 * Copyright (C) 2011  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation; version 2 of the License.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20#include <linux/delay.h>
  21#include <linux/dma-mapping.h>
  22#include <linux/kernel.h>
  23#include <linux/init.h>
  24#include <linux/io.h>
  25#include <linux/platform_data/irq-renesas-intc-irqpin.h>
  26#include <linux/platform_device.h>
  27#include <linux/of_platform.h>
  28#include <linux/serial_sci.h>
  29#include <linux/sh_dma.h>
  30#include <linux/sh_timer.h>
  31#include <linux/platform_data/sh_ipmmu.h>
  32#include <mach/dma-register.h>
  33#include <mach/r8a7740.h>
  34#include <mach/pm-rmobile.h>
  35#include <mach/common.h>
  36#include <mach/irqs.h>
  37#include <asm/mach-types.h>
  38#include <asm/mach/map.h>
  39#include <asm/mach/arch.h>
  40#include <asm/mach/time.h>
  41
  42static struct map_desc r8a7740_io_desc[] __initdata = {
  43         /*
  44          * for CPGA/INTC/PFC
  45          * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff
  46          */
  47        {
  48                .virtual        = 0xe6000000,
  49                .pfn            = __phys_to_pfn(0xe6000000),
  50                .length         = 160 << 20,
  51                .type           = MT_DEVICE_NONSHARED
  52        },
  53#ifdef CONFIG_CACHE_L2X0
  54        /*
  55         * for l2x0_init()
  56         * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000
  57         */
  58        {
  59                .virtual        = 0xf0002000,
  60                .pfn            = __phys_to_pfn(0xf0100000),
  61                .length         = PAGE_SIZE,
  62                .type           = MT_DEVICE_NONSHARED
  63        },
  64#endif
  65};
  66
  67void __init r8a7740_map_io(void)
  68{
  69        iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc));
  70}
  71
  72/* PFC */
  73static struct resource r8a7740_pfc_resources[] = {
  74        [0] = {
  75                .start  = 0xe6050000,
  76                .end    = 0xe6057fff,
  77                .flags  = IORESOURCE_MEM,
  78        },
  79        [1] = {
  80                .start  = 0xe605800c,
  81                .end    = 0xe605802b,
  82                .flags  = IORESOURCE_MEM,
  83        }
  84};
  85
  86static struct platform_device r8a7740_pfc_device = {
  87        .name           = "pfc-r8a7740",
  88        .id             = -1,
  89        .resource       = r8a7740_pfc_resources,
  90        .num_resources  = ARRAY_SIZE(r8a7740_pfc_resources),
  91};
  92
  93void __init r8a7740_pinmux_init(void)
  94{
  95        platform_device_register(&r8a7740_pfc_device);
  96}
  97
  98static struct renesas_intc_irqpin_config irqpin0_platform_data = {
  99        .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */
 100};
 101
 102static struct resource irqpin0_resources[] = {
 103        DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */
 104        DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */
 105        DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */
 106        DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */
 107        DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */
 108        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ0 */
 109        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ1 */
 110        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ2 */
 111        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ3 */
 112        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ4 */
 113        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ5 */
 114        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ6 */
 115        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ7 */
 116};
 117
 118static struct platform_device irqpin0_device = {
 119        .name           = "renesas_intc_irqpin",
 120        .id             = 0,
 121        .resource       = irqpin0_resources,
 122        .num_resources  = ARRAY_SIZE(irqpin0_resources),
 123        .dev            = {
 124                .platform_data  = &irqpin0_platform_data,
 125        },
 126};
 127
 128static struct renesas_intc_irqpin_config irqpin1_platform_data = {
 129        .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */
 130};
 131
 132static struct resource irqpin1_resources[] = {
 133        DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */
 134        DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */
 135        DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */
 136        DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */
 137        DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */
 138        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ8 */
 139        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ9 */
 140        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ10 */
 141        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ11 */
 142        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ12 */
 143        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ13 */
 144        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ14 */
 145        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ15 */
 146};
 147
 148static struct platform_device irqpin1_device = {
 149        .name           = "renesas_intc_irqpin",
 150        .id             = 1,
 151        .resource       = irqpin1_resources,
 152        .num_resources  = ARRAY_SIZE(irqpin1_resources),
 153        .dev            = {
 154                .platform_data  = &irqpin1_platform_data,
 155        },
 156};
 157
 158static struct renesas_intc_irqpin_config irqpin2_platform_data = {
 159        .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */
 160};
 161
 162static struct resource irqpin2_resources[] = {
 163        DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */
 164        DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI30A */
 165        DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ30A */
 166        DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK30A */
 167        DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR30A */
 168        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ16 */
 169        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ17 */
 170        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ18 */
 171        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ19 */
 172        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ20 */
 173        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ21 */
 174        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ22 */
 175        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ23 */
 176};
 177
 178static struct platform_device irqpin2_device = {
 179        .name           = "renesas_intc_irqpin",
 180        .id             = 2,
 181        .resource       = irqpin2_resources,
 182        .num_resources  = ARRAY_SIZE(irqpin2_resources),
 183        .dev            = {
 184                .platform_data  = &irqpin2_platform_data,
 185        },
 186};
 187
 188static struct renesas_intc_irqpin_config irqpin3_platform_data = {
 189        .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */
 190};
 191
 192static struct resource irqpin3_resources[] = {
 193        DEFINE_RES_MEM(0xe690000c, 4), /* ICR3A */
 194        DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */
 195        DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */
 196        DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */
 197        DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */
 198        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ24 */
 199        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ25 */
 200        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ26 */
 201        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ27 */
 202        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ28 */
 203        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ29 */
 204        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ30 */
 205        DEFINE_RES_IRQ(gic_spi(149)), /* IRQ31 */
 206};
 207
 208static struct platform_device irqpin3_device = {
 209        .name           = "renesas_intc_irqpin",
 210        .id             = 3,
 211        .resource       = irqpin3_resources,
 212        .num_resources  = ARRAY_SIZE(irqpin3_resources),
 213        .dev            = {
 214                .platform_data  = &irqpin3_platform_data,
 215        },
 216};
 217
 218/* SCIFA0 */
 219static struct plat_sci_port scif0_platform_data = {
 220        .mapbase        = 0xe6c40000,
 221        .flags          = UPF_BOOT_AUTOCONF,
 222        .scscr          = SCSCR_RE | SCSCR_TE,
 223        .scbrr_algo_id  = SCBRR_ALGO_4,
 224        .type           = PORT_SCIFA,
 225        .irqs           = SCIx_IRQ_MUXED(gic_spi(100)),
 226};
 227
 228static struct platform_device scif0_device = {
 229        .name           = "sh-sci",
 230        .id             = 0,
 231        .dev            = {
 232                .platform_data  = &scif0_platform_data,
 233        },
 234};
 235
 236/* SCIFA1 */
 237static struct plat_sci_port scif1_platform_data = {
 238        .mapbase        = 0xe6c50000,
 239        .flags          = UPF_BOOT_AUTOCONF,
 240        .scscr          = SCSCR_RE | SCSCR_TE,
 241        .scbrr_algo_id  = SCBRR_ALGO_4,
 242        .type           = PORT_SCIFA,
 243        .irqs           = SCIx_IRQ_MUXED(gic_spi(101)),
 244};
 245
 246static struct platform_device scif1_device = {
 247        .name           = "sh-sci",
 248        .id             = 1,
 249        .dev            = {
 250                .platform_data  = &scif1_platform_data,
 251        },
 252};
 253
 254/* SCIFA2 */
 255static struct plat_sci_port scif2_platform_data = {
 256        .mapbase        = 0xe6c60000,
 257        .flags          = UPF_BOOT_AUTOCONF,
 258        .scscr          = SCSCR_RE | SCSCR_TE,
 259        .scbrr_algo_id  = SCBRR_ALGO_4,
 260        .type           = PORT_SCIFA,
 261        .irqs           = SCIx_IRQ_MUXED(gic_spi(102)),
 262};
 263
 264static struct platform_device scif2_device = {
 265        .name           = "sh-sci",
 266        .id             = 2,
 267        .dev            = {
 268                .platform_data  = &scif2_platform_data,
 269        },
 270};
 271
 272/* SCIFA3 */
 273static struct plat_sci_port scif3_platform_data = {
 274        .mapbase        = 0xe6c70000,
 275        .flags          = UPF_BOOT_AUTOCONF,
 276        .scscr          = SCSCR_RE | SCSCR_TE,
 277        .scbrr_algo_id  = SCBRR_ALGO_4,
 278        .type           = PORT_SCIFA,
 279        .irqs           = SCIx_IRQ_MUXED(gic_spi(103)),
 280};
 281
 282static struct platform_device scif3_device = {
 283        .name           = "sh-sci",
 284        .id             = 3,
 285        .dev            = {
 286                .platform_data  = &scif3_platform_data,
 287        },
 288};
 289
 290/* SCIFA4 */
 291static struct plat_sci_port scif4_platform_data = {
 292        .mapbase        = 0xe6c80000,
 293        .flags          = UPF_BOOT_AUTOCONF,
 294        .scscr          = SCSCR_RE | SCSCR_TE,
 295        .scbrr_algo_id  = SCBRR_ALGO_4,
 296        .type           = PORT_SCIFA,
 297        .irqs           = SCIx_IRQ_MUXED(gic_spi(104)),
 298};
 299
 300static struct platform_device scif4_device = {
 301        .name           = "sh-sci",
 302        .id             = 4,
 303        .dev            = {
 304                .platform_data  = &scif4_platform_data,
 305        },
 306};
 307
 308/* SCIFA5 */
 309static struct plat_sci_port scif5_platform_data = {
 310        .mapbase        = 0xe6cb0000,
 311        .flags          = UPF_BOOT_AUTOCONF,
 312        .scscr          = SCSCR_RE | SCSCR_TE,
 313        .scbrr_algo_id  = SCBRR_ALGO_4,
 314        .type           = PORT_SCIFA,
 315        .irqs           = SCIx_IRQ_MUXED(gic_spi(105)),
 316};
 317
 318static struct platform_device scif5_device = {
 319        .name           = "sh-sci",
 320        .id             = 5,
 321        .dev            = {
 322                .platform_data  = &scif5_platform_data,
 323        },
 324};
 325
 326/* SCIFA6 */
 327static struct plat_sci_port scif6_platform_data = {
 328        .mapbase        = 0xe6cc0000,
 329        .flags          = UPF_BOOT_AUTOCONF,
 330        .scscr          = SCSCR_RE | SCSCR_TE,
 331        .scbrr_algo_id  = SCBRR_ALGO_4,
 332        .type           = PORT_SCIFA,
 333        .irqs           = SCIx_IRQ_MUXED(gic_spi(106)),
 334};
 335
 336static struct platform_device scif6_device = {
 337        .name           = "sh-sci",
 338        .id             = 6,
 339        .dev            = {
 340                .platform_data  = &scif6_platform_data,
 341        },
 342};
 343
 344/* SCIFA7 */
 345static struct plat_sci_port scif7_platform_data = {
 346        .mapbase        = 0xe6cd0000,
 347        .flags          = UPF_BOOT_AUTOCONF,
 348        .scscr          = SCSCR_RE | SCSCR_TE,
 349        .scbrr_algo_id  = SCBRR_ALGO_4,
 350        .type           = PORT_SCIFA,
 351        .irqs           = SCIx_IRQ_MUXED(gic_spi(107)),
 352};
 353
 354static struct platform_device scif7_device = {
 355        .name           = "sh-sci",
 356        .id             = 7,
 357        .dev            = {
 358                .platform_data  = &scif7_platform_data,
 359        },
 360};
 361
 362/* SCIFB */
 363static struct plat_sci_port scifb_platform_data = {
 364        .mapbase        = 0xe6c30000,
 365        .flags          = UPF_BOOT_AUTOCONF,
 366        .scscr          = SCSCR_RE | SCSCR_TE,
 367        .scbrr_algo_id  = SCBRR_ALGO_4,
 368        .type           = PORT_SCIFB,
 369        .irqs           = SCIx_IRQ_MUXED(gic_spi(108)),
 370};
 371
 372static struct platform_device scifb_device = {
 373        .name           = "sh-sci",
 374        .id             = 8,
 375        .dev            = {
 376                .platform_data  = &scifb_platform_data,
 377        },
 378};
 379
 380/* CMT */
 381static struct sh_timer_config cmt10_platform_data = {
 382        .name = "CMT10",
 383        .channel_offset = 0x10,
 384        .timer_bit = 0,
 385        .clockevent_rating = 125,
 386        .clocksource_rating = 125,
 387};
 388
 389static struct resource cmt10_resources[] = {
 390        [0] = {
 391                .name   = "CMT10",
 392                .start  = 0xe6138010,
 393                .end    = 0xe613801b,
 394                .flags  = IORESOURCE_MEM,
 395        },
 396        [1] = {
 397                .start  = gic_spi(58),
 398                .flags  = IORESOURCE_IRQ,
 399        },
 400};
 401
 402static struct platform_device cmt10_device = {
 403        .name           = "sh_cmt",
 404        .id             = 10,
 405        .dev = {
 406                .platform_data  = &cmt10_platform_data,
 407        },
 408        .resource       = cmt10_resources,
 409        .num_resources  = ARRAY_SIZE(cmt10_resources),
 410};
 411
 412/* TMU */
 413static struct sh_timer_config tmu00_platform_data = {
 414        .name = "TMU00",
 415        .channel_offset = 0x4,
 416        .timer_bit = 0,
 417        .clockevent_rating = 200,
 418};
 419
 420static struct resource tmu00_resources[] = {
 421        [0] = {
 422                .name   = "TMU00",
 423                .start  = 0xfff80008,
 424                .end    = 0xfff80014 - 1,
 425                .flags  = IORESOURCE_MEM,
 426        },
 427        [1] = {
 428                .start  = gic_spi(198),
 429                .flags  = IORESOURCE_IRQ,
 430        },
 431};
 432
 433static struct platform_device tmu00_device = {
 434        .name           = "sh_tmu",
 435        .id             = 0,
 436        .dev = {
 437                .platform_data  = &tmu00_platform_data,
 438        },
 439        .resource       = tmu00_resources,
 440        .num_resources  = ARRAY_SIZE(tmu00_resources),
 441};
 442
 443static struct sh_timer_config tmu01_platform_data = {
 444        .name = "TMU01",
 445        .channel_offset = 0x10,
 446        .timer_bit = 1,
 447        .clocksource_rating = 200,
 448};
 449
 450static struct resource tmu01_resources[] = {
 451        [0] = {
 452                .name   = "TMU01",
 453                .start  = 0xfff80014,
 454                .end    = 0xfff80020 - 1,
 455                .flags  = IORESOURCE_MEM,
 456        },
 457        [1] = {
 458                .start  = gic_spi(199),
 459                .flags  = IORESOURCE_IRQ,
 460        },
 461};
 462
 463static struct platform_device tmu01_device = {
 464        .name           = "sh_tmu",
 465        .id             = 1,
 466        .dev = {
 467                .platform_data  = &tmu01_platform_data,
 468        },
 469        .resource       = tmu01_resources,
 470        .num_resources  = ARRAY_SIZE(tmu01_resources),
 471};
 472
 473static struct sh_timer_config tmu02_platform_data = {
 474        .name = "TMU02",
 475        .channel_offset = 0x1C,
 476        .timer_bit = 2,
 477        .clocksource_rating = 200,
 478};
 479
 480static struct resource tmu02_resources[] = {
 481        [0] = {
 482                .name   = "TMU02",
 483                .start  = 0xfff80020,
 484                .end    = 0xfff8002C - 1,
 485                .flags  = IORESOURCE_MEM,
 486        },
 487        [1] = {
 488                .start  = gic_spi(200),
 489                .flags  = IORESOURCE_IRQ,
 490        },
 491};
 492
 493static struct platform_device tmu02_device = {
 494        .name           = "sh_tmu",
 495        .id             = 2,
 496        .dev = {
 497                .platform_data  = &tmu02_platform_data,
 498        },
 499        .resource       = tmu02_resources,
 500        .num_resources  = ARRAY_SIZE(tmu02_resources),
 501};
 502
 503/* IPMMUI (an IPMMU module for ICB/LMB) */
 504static struct resource ipmmu_resources[] = {
 505        [0] = {
 506                .name   = "IPMMUI",
 507                .start  = 0xfe951000,
 508                .end    = 0xfe9510ff,
 509                .flags  = IORESOURCE_MEM,
 510        },
 511};
 512
 513static const char * const ipmmu_dev_names[] = {
 514        "sh_mobile_lcdc_fb.0",
 515        "sh_mobile_lcdc_fb.1",
 516        "sh_mobile_ceu.0",
 517};
 518
 519static struct shmobile_ipmmu_platform_data ipmmu_platform_data = {
 520        .dev_names = ipmmu_dev_names,
 521        .num_dev_names = ARRAY_SIZE(ipmmu_dev_names),
 522};
 523
 524static struct platform_device ipmmu_device = {
 525        .name           = "ipmmu",
 526        .id             = -1,
 527        .dev = {
 528                .platform_data = &ipmmu_platform_data,
 529        },
 530        .resource       = ipmmu_resources,
 531        .num_resources  = ARRAY_SIZE(ipmmu_resources),
 532};
 533
 534static struct platform_device *r8a7740_early_devices[] __initdata = {
 535        &irqpin0_device,
 536        &irqpin1_device,
 537        &irqpin2_device,
 538        &irqpin3_device,
 539        &scif0_device,
 540        &scif1_device,
 541        &scif2_device,
 542        &scif3_device,
 543        &scif4_device,
 544        &scif5_device,
 545        &scif6_device,
 546        &scif7_device,
 547        &scifb_device,
 548        &cmt10_device,
 549        &tmu00_device,
 550        &tmu01_device,
 551        &tmu02_device,
 552        &ipmmu_device,
 553};
 554
 555/* DMA */
 556static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
 557        {
 558                .slave_id       = SHDMA_SLAVE_SDHI0_TX,
 559                .addr           = 0xe6850030,
 560                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 561                .mid_rid        = 0xc1,
 562        }, {
 563                .slave_id       = SHDMA_SLAVE_SDHI0_RX,
 564                .addr           = 0xe6850030,
 565                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 566                .mid_rid        = 0xc2,
 567        }, {
 568                .slave_id       = SHDMA_SLAVE_SDHI1_TX,
 569                .addr           = 0xe6860030,
 570                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 571                .mid_rid        = 0xc9,
 572        }, {
 573                .slave_id       = SHDMA_SLAVE_SDHI1_RX,
 574                .addr           = 0xe6860030,
 575                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 576                .mid_rid        = 0xca,
 577        }, {
 578                .slave_id       = SHDMA_SLAVE_SDHI2_TX,
 579                .addr           = 0xe6870030,
 580                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 581                .mid_rid        = 0xcd,
 582        }, {
 583                .slave_id       = SHDMA_SLAVE_SDHI2_RX,
 584                .addr           = 0xe6870030,
 585                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 586                .mid_rid        = 0xce,
 587        }, {
 588                .slave_id       = SHDMA_SLAVE_FSIA_TX,
 589                .addr           = 0xfe1f0024,
 590                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
 591                .mid_rid        = 0xb1,
 592        }, {
 593                .slave_id       = SHDMA_SLAVE_FSIA_RX,
 594                .addr           = 0xfe1f0020,
 595                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
 596                .mid_rid        = 0xb2,
 597        }, {
 598                .slave_id       = SHDMA_SLAVE_FSIB_TX,
 599                .addr           = 0xfe1f0064,
 600                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
 601                .mid_rid        = 0xb5,
 602        },
 603};
 604
 605#define DMA_CHANNEL(a, b, c)                    \
 606{                                               \
 607        .offset         = a,                    \
 608        .dmars          = b,                    \
 609        .dmars_bit      = c,                    \
 610        .chclr_offset   = (0x220 - 0x20) + a    \
 611}
 612
 613static const struct sh_dmae_channel r8a7740_dmae_channels[] = {
 614        DMA_CHANNEL(0x00, 0, 0),
 615        DMA_CHANNEL(0x10, 0, 8),
 616        DMA_CHANNEL(0x20, 4, 0),
 617        DMA_CHANNEL(0x30, 4, 8),
 618        DMA_CHANNEL(0x50, 8, 0),
 619        DMA_CHANNEL(0x60, 8, 8),
 620};
 621
 622static struct sh_dmae_pdata dma_platform_data = {
 623        .slave          = r8a7740_dmae_slaves,
 624        .slave_num      = ARRAY_SIZE(r8a7740_dmae_slaves),
 625        .channel        = r8a7740_dmae_channels,
 626        .channel_num    = ARRAY_SIZE(r8a7740_dmae_channels),
 627        .ts_low_shift   = TS_LOW_SHIFT,
 628        .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
 629        .ts_high_shift  = TS_HI_SHIFT,
 630        .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
 631        .ts_shift       = dma_ts_shift,
 632        .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
 633        .dmaor_init     = DMAOR_DME,
 634        .chclr_present  = 1,
 635};
 636
 637/* Resource order important! */
 638static struct resource r8a7740_dmae0_resources[] = {
 639        {
 640                /* Channel registers and DMAOR */
 641                .start  = 0xfe008020,
 642                .end    = 0xfe00828f,
 643                .flags  = IORESOURCE_MEM,
 644        },
 645        {
 646                /* DMARSx */
 647                .start  = 0xfe009000,
 648                .end    = 0xfe00900b,
 649                .flags  = IORESOURCE_MEM,
 650        },
 651        {
 652                .name   = "error_irq",
 653                .start  = gic_spi(34),
 654                .end    = gic_spi(34),
 655                .flags  = IORESOURCE_IRQ,
 656        },
 657        {
 658                /* IRQ for channels 0-5 */
 659                .start  = gic_spi(28),
 660                .end    = gic_spi(33),
 661                .flags  = IORESOURCE_IRQ,
 662        },
 663};
 664
 665/* Resource order important! */
 666static struct resource r8a7740_dmae1_resources[] = {
 667        {
 668                /* Channel registers and DMAOR */
 669                .start  = 0xfe018020,
 670                .end    = 0xfe01828f,
 671                .flags  = IORESOURCE_MEM,
 672        },
 673        {
 674                /* DMARSx */
 675                .start  = 0xfe019000,
 676                .end    = 0xfe01900b,
 677                .flags  = IORESOURCE_MEM,
 678        },
 679        {
 680                .name   = "error_irq",
 681                .start  = gic_spi(41),
 682                .end    = gic_spi(41),
 683                .flags  = IORESOURCE_IRQ,
 684        },
 685        {
 686                /* IRQ for channels 0-5 */
 687                .start  = gic_spi(35),
 688                .end    = gic_spi(40),
 689                .flags  = IORESOURCE_IRQ,
 690        },
 691};
 692
 693/* Resource order important! */
 694static struct resource r8a7740_dmae2_resources[] = {
 695        {
 696                /* Channel registers and DMAOR */
 697                .start  = 0xfe028020,
 698                .end    = 0xfe02828f,
 699                .flags  = IORESOURCE_MEM,
 700        },
 701        {
 702                /* DMARSx */
 703                .start  = 0xfe029000,
 704                .end    = 0xfe02900b,
 705                .flags  = IORESOURCE_MEM,
 706        },
 707        {
 708                .name   = "error_irq",
 709                .start  = gic_spi(48),
 710                .end    = gic_spi(48),
 711                .flags  = IORESOURCE_IRQ,
 712        },
 713        {
 714                /* IRQ for channels 0-5 */
 715                .start  = gic_spi(42),
 716                .end    = gic_spi(47),
 717                .flags  = IORESOURCE_IRQ,
 718        },
 719};
 720
 721static struct platform_device dma0_device = {
 722        .name           = "sh-dma-engine",
 723        .id             = 0,
 724        .resource       = r8a7740_dmae0_resources,
 725        .num_resources  = ARRAY_SIZE(r8a7740_dmae0_resources),
 726        .dev            = {
 727                .platform_data  = &dma_platform_data,
 728        },
 729};
 730
 731static struct platform_device dma1_device = {
 732        .name           = "sh-dma-engine",
 733        .id             = 1,
 734        .resource       = r8a7740_dmae1_resources,
 735        .num_resources  = ARRAY_SIZE(r8a7740_dmae1_resources),
 736        .dev            = {
 737                .platform_data  = &dma_platform_data,
 738        },
 739};
 740
 741static struct platform_device dma2_device = {
 742        .name           = "sh-dma-engine",
 743        .id             = 2,
 744        .resource       = r8a7740_dmae2_resources,
 745        .num_resources  = ARRAY_SIZE(r8a7740_dmae2_resources),
 746        .dev            = {
 747                .platform_data  = &dma_platform_data,
 748        },
 749};
 750
 751/* USB-DMAC */
 752static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = {
 753        {
 754                .offset = 0,
 755        }, {
 756                .offset = 0x20,
 757        },
 758};
 759
 760static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = {
 761        {
 762                .slave_id       = SHDMA_SLAVE_USBHS_TX,
 763                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 764        }, {
 765                .slave_id       = SHDMA_SLAVE_USBHS_RX,
 766                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 767        },
 768};
 769
 770static struct sh_dmae_pdata usb_dma_platform_data = {
 771        .slave          = r8a7740_usb_dma_slaves,
 772        .slave_num      = ARRAY_SIZE(r8a7740_usb_dma_slaves),
 773        .channel        = r8a7740_usb_dma_channels,
 774        .channel_num    = ARRAY_SIZE(r8a7740_usb_dma_channels),
 775        .ts_low_shift   = USBTS_LOW_SHIFT,
 776        .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
 777        .ts_high_shift  = USBTS_HI_SHIFT,
 778        .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
 779        .ts_shift       = dma_usbts_shift,
 780        .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
 781        .dmaor_init     = DMAOR_DME,
 782        .chcr_offset    = 0x14,
 783        .chcr_ie_bit    = 1 << 5,
 784        .dmaor_is_32bit = 1,
 785        .needs_tend_set = 1,
 786        .no_dmars       = 1,
 787        .slave_only     = 1,
 788};
 789
 790static struct resource r8a7740_usb_dma_resources[] = {
 791        {
 792                /* Channel registers and DMAOR */
 793                .start  = 0xe68a0020,
 794                .end    = 0xe68a0064 - 1,
 795                .flags  = IORESOURCE_MEM,
 796        },
 797        {
 798                /* VCR/SWR/DMICR */
 799                .start  = 0xe68a0000,
 800                .end    = 0xe68a0014 - 1,
 801                .flags  = IORESOURCE_MEM,
 802        },
 803        {
 804                /* IRQ for channels */
 805                .start  = gic_spi(49),
 806                .end    = gic_spi(49),
 807                .flags  = IORESOURCE_IRQ,
 808        },
 809};
 810
 811static struct platform_device usb_dma_device = {
 812        .name           = "sh-dma-engine",
 813        .id             = 3,
 814        .resource       = r8a7740_usb_dma_resources,
 815        .num_resources  = ARRAY_SIZE(r8a7740_usb_dma_resources),
 816        .dev            = {
 817                .platform_data  = &usb_dma_platform_data,
 818        },
 819};
 820
 821/* I2C */
 822static struct resource i2c0_resources[] = {
 823        [0] = {
 824                .name   = "IIC0",
 825                .start  = 0xfff20000,
 826                .end    = 0xfff20425 - 1,
 827                .flags  = IORESOURCE_MEM,
 828        },
 829        [1] = {
 830                .start  = gic_spi(201),
 831                .end    = gic_spi(204),
 832                .flags  = IORESOURCE_IRQ,
 833        },
 834};
 835
 836static struct resource i2c1_resources[] = {
 837        [0] = {
 838                .name   = "IIC1",
 839                .start  = 0xe6c20000,
 840                .end    = 0xe6c20425 - 1,
 841                .flags  = IORESOURCE_MEM,
 842        },
 843        [1] = {
 844                .start  = gic_spi(70), /* IIC1_ALI1 */
 845                .end    = gic_spi(73), /* IIC1_DTEI1 */
 846                .flags  = IORESOURCE_IRQ,
 847        },
 848};
 849
 850static struct platform_device i2c0_device = {
 851        .name           = "i2c-sh_mobile",
 852        .id             = 0,
 853        .resource       = i2c0_resources,
 854        .num_resources  = ARRAY_SIZE(i2c0_resources),
 855};
 856
 857static struct platform_device i2c1_device = {
 858        .name           = "i2c-sh_mobile",
 859        .id             = 1,
 860        .resource       = i2c1_resources,
 861        .num_resources  = ARRAY_SIZE(i2c1_resources),
 862};
 863
 864static struct resource pmu_resources[] = {
 865        [0] = {
 866                .start  = gic_spi(83),
 867                .end    = gic_spi(83),
 868                .flags  = IORESOURCE_IRQ,
 869        },
 870};
 871
 872static struct platform_device pmu_device = {
 873        .name   = "arm-pmu",
 874        .id     = -1,
 875        .num_resources = ARRAY_SIZE(pmu_resources),
 876        .resource = pmu_resources,
 877};
 878
 879static struct platform_device *r8a7740_late_devices[] __initdata = {
 880        &i2c0_device,
 881        &i2c1_device,
 882        &dma0_device,
 883        &dma1_device,
 884        &dma2_device,
 885        &usb_dma_device,
 886        &pmu_device,
 887};
 888
 889/*
 890 * r8a7740 chip has lasting errata on MERAM buffer.
 891 * this is work-around for it.
 892 * see
 893 *      "Media RAM (MERAM)" on r8a7740 documentation
 894 */
 895#define MEBUFCNTR       0xFE950098
 896void r8a7740_meram_workaround(void)
 897{
 898        void __iomem *reg;
 899
 900        reg = ioremap_nocache(MEBUFCNTR, 4);
 901        if (reg) {
 902                iowrite32(0x01600164, reg);
 903                iounmap(reg);
 904        }
 905}
 906
 907#define ICCR    0x0004
 908#define ICSTART 0x0070
 909
 910#define i2c_read(reg, offset)           ioread8(reg + offset)
 911#define i2c_write(reg, offset, data)    iowrite8(data, reg + offset)
 912
 913/*
 914 * r8a7740 chip has lasting errata on I2C I/O pad reset.
 915 * this is work-around for it.
 916 */
 917static void r8a7740_i2c_workaround(struct platform_device *pdev)
 918{
 919        struct resource *res;
 920        void __iomem *reg;
 921
 922        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 923        if (unlikely(!res)) {
 924                pr_err("r8a7740 i2c workaround fail (cannot find resource)\n");
 925                return;
 926        }
 927
 928        reg = ioremap(res->start, resource_size(res));
 929        if (unlikely(!reg)) {
 930                pr_err("r8a7740 i2c workaround fail (cannot map IO)\n");
 931                return;
 932        }
 933
 934        i2c_write(reg, ICCR, i2c_read(reg, ICCR) | 0x80);
 935        i2c_read(reg, ICCR); /* dummy read */
 936
 937        i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10);
 938        i2c_read(reg, ICSTART); /* dummy read */
 939
 940        udelay(10);
 941
 942        i2c_write(reg, ICCR, 0x01);
 943        i2c_write(reg, ICSTART, 0x00);
 944
 945        udelay(10);
 946
 947        i2c_write(reg, ICCR, 0x10);
 948        udelay(10);
 949        i2c_write(reg, ICCR, 0x00);
 950        udelay(10);
 951        i2c_write(reg, ICCR, 0x10);
 952        udelay(10);
 953
 954        iounmap(reg);
 955}
 956
 957void __init r8a7740_add_standard_devices(void)
 958{
 959        /* I2C work-around */
 960        r8a7740_i2c_workaround(&i2c0_device);
 961        r8a7740_i2c_workaround(&i2c1_device);
 962
 963        r8a7740_init_pm_domains();
 964
 965        /* add devices */
 966        platform_add_devices(r8a7740_early_devices,
 967                            ARRAY_SIZE(r8a7740_early_devices));
 968        platform_add_devices(r8a7740_late_devices,
 969                             ARRAY_SIZE(r8a7740_late_devices));
 970
 971        /* add devices to PM domain  */
 972
 973        rmobile_add_device_to_domain("A3SP",    &scif0_device);
 974        rmobile_add_device_to_domain("A3SP",    &scif1_device);
 975        rmobile_add_device_to_domain("A3SP",    &scif2_device);
 976        rmobile_add_device_to_domain("A3SP",    &scif3_device);
 977        rmobile_add_device_to_domain("A3SP",    &scif4_device);
 978        rmobile_add_device_to_domain("A3SP",    &scif5_device);
 979        rmobile_add_device_to_domain("A3SP",    &scif6_device);
 980        rmobile_add_device_to_domain("A3SP",    &scif7_device);
 981        rmobile_add_device_to_domain("A3SP",    &scifb_device);
 982        rmobile_add_device_to_domain("A3SP",    &i2c1_device);
 983}
 984
 985void __init r8a7740_add_early_devices(void)
 986{
 987        early_platform_add_devices(r8a7740_early_devices,
 988                                   ARRAY_SIZE(r8a7740_early_devices));
 989
 990        /* setup early console here as well */
 991        shmobile_setup_console();
 992}
 993
 994#ifdef CONFIG_USE_OF
 995
 996void __init r8a7740_add_early_devices_dt(void)
 997{
 998        shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
 999
1000        early_platform_add_devices(r8a7740_early_devices,
1001                                   ARRAY_SIZE(r8a7740_early_devices));
1002
1003        /* setup early console here as well */
1004        shmobile_setup_console();
1005}
1006
1007static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = {
1008        { }
1009};
1010
1011void __init r8a7740_add_standard_devices_dt(void)
1012{
1013        /* clocks are setup late during boot in the case of DT */
1014        r8a7740_clock_init(0);
1015
1016        platform_add_devices(r8a7740_early_devices,
1017                            ARRAY_SIZE(r8a7740_early_devices));
1018
1019        of_platform_populate(NULL, of_default_bus_match_table,
1020                             r8a7740_auxdata_lookup, NULL);
1021}
1022
1023static const char *r8a7740_boards_compat_dt[] __initdata = {
1024        "renesas,r8a7740",
1025        NULL,
1026};
1027
1028DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
1029        .map_io         = r8a7740_map_io,
1030        .init_early     = r8a7740_add_early_devices_dt,
1031        .init_irq       = r8a7740_init_irq,
1032        .init_machine   = r8a7740_add_standard_devices_dt,
1033        .dt_compat      = r8a7740_boards_compat_dt,
1034MACHINE_END
1035
1036#endif /* CONFIG_USE_OF */
1037