arch/arm/mach-shmobile/setup-r8a7779.c

   1 /*
   2  * r8a7779 processor support
   3  *
   4  * Copyright (C) 2011, 2013  Renesas Solutions Corp.
   5  * Copyright (C) 2011  Magnus Damm
   6  * Copyright (C) 2013  Cogent Embedded, Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <linux/of_platform.h>
  26 #include <linux/platform_data/gpio-rcar.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/delay.h>
  29 #include <linux/input.h>
  30 #include <linux/io.h>
  31 #include <linux/serial_sci.h>
  32 #include <linux/sh_intc.h>
  33 #include <linux/sh_timer.h>
  34 #include <linux/dma-mapping.h>
  35 #include <linux/usb/otg.h>
  36 #include <linux/usb/hcd.h>
  37 #include <linux/usb/ehci_pdriver.h>
  38 #include <linux/usb/ohci_pdriver.h>
  39 #include <linux/pm_runtime.h>
  40 #include <mach/hardware.h>
  41 #include <mach/irqs.h>
  42 #include <mach/r8a7779.h>
  43 #include <mach/common.h>
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46 #include <asm/mach/time.h>
  47 #include <asm/mach/map.h>
  48 #include <asm/hardware/cache-l2x0.h>
  49
  50 static struct map_desc r8a7779_io_desc[] __initdata = {
  51         /* 2M entity map for 0xf0000000 (MPCORE) */
  52         {
  53                 .virtual        = 0xf0000000,
  54                 .pfn            = __phys_to_pfn(0xf0000000),
  55                 .length         = SZ_2M,
  56                 .type           = MT_DEVICE_NONSHARED
  57         },
  58         /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
  59         {
  60                 .virtual        = 0xfe000000,
  61                 .pfn            = __phys_to_pfn(0xfe000000),
  62                 .length         = SZ_16M,
  63                 .type           = MT_DEVICE_NONSHARED
  64         },
  65 };
  66
  67 void __init r8a7779_map_io(void)
  68 {
  69         iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
  70 }
  71
  72 static struct resource r8a7779_pfc_resources[] = {
  73         DEFINE_RES_MEM(0xfffc0000, 0x023c),
  74 };
  75
  76 static struct platform_device r8a7779_pfc_device = {
  77         .name           = "pfc-r8a7779",
  78         .id             = -1,
  79         .resource       = r8a7779_pfc_resources,
  80         .num_resources  = ARRAY_SIZE(r8a7779_pfc_resources),
  81 };
  82
  83 #define R8A7779_GPIO(idx, npins) \
  84 static struct resource r8a7779_gpio##idx##_resources[] = {              \
  85         DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c),          \
  86         DEFINE_RES_IRQ(gic_iid(0xad + (idx))),                          \
  87 };                                                                      \
  88                                                                         \
  89 static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = {    \
  90         .gpio_base      = 32 * (idx),                                   \
  91         .irq_base       = 0,                                            \
  92         .number_of_pins = npins,                                        \
  93         .pctl_name      = "pfc-r8a7779",                                \
  94 };                                                                      \
  95                                                                         \
  96 static struct platform_device r8a7779_gpio##idx##_device = {            \
  97         .name           = "gpio_rcar",                                  \
  98         .id             = idx,                                          \
  99         .resource       = r8a7779_gpio##idx##_resources,                \
 100         .num_resources  = ARRAY_SIZE(r8a7779_gpio##idx##_resources),    \
 101         .dev            = {                                             \
 102                 .platform_data  = &r8a7779_gpio##idx##_platform_data,   \
 103         },                                                              \
 104 }
 105
 106 R8A7779_GPIO(0, 32);
 107 R8A7779_GPIO(1, 32);
 108 R8A7779_GPIO(2, 32);
 109 R8A7779_GPIO(3, 32);
 110 R8A7779_GPIO(4, 32);
 111 R8A7779_GPIO(5, 32);
 112 R8A7779_GPIO(6, 9);
 113
 114 static struct platform_device *r8a7779_pinctrl_devices[] __initdata = {
 115         &r8a7779_pfc_device,
 116         &r8a7779_gpio0_device,
 117         &r8a7779_gpio1_device,
 118         &r8a7779_gpio2_device,
 119         &r8a7779_gpio3_device,
 120         &r8a7779_gpio4_device,
 121         &r8a7779_gpio5_device,
 122         &r8a7779_gpio6_device,
 123 };
 124
 125 void __init r8a7779_pinmux_init(void)
 126 {
 127         platform_add_devices(r8a7779_pinctrl_devices,
 128                             ARRAY_SIZE(r8a7779_pinctrl_devices));
 129 }
 130
 131 static struct plat_sci_port scif0_platform_data = {
 132         .mapbase        = 0xffe40000,
 133         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 134         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 135         .scbrr_algo_id  = SCBRR_ALGO_2,
 136         .type           = PORT_SCIF,
 137         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x78)),
 138 };
 139
 140 static struct platform_device scif0_device = {
 141         .name           = "sh-sci",
 142         .id             = 0,
 143         .dev            = {
 144                 .platform_data  = &scif0_platform_data,
 145         },
 146 };
 147
 148 static struct plat_sci_port scif1_platform_data = {
 149         .mapbase        = 0xffe41000,
 150         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 151         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 152         .scbrr_algo_id  = SCBRR_ALGO_2,
 153         .type           = PORT_SCIF,
 154         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x79)),
 155 };
 156
 157 static struct platform_device scif1_device = {
 158         .name           = "sh-sci",
 159         .id             = 1,
 160         .dev            = {
 161                 .platform_data  = &scif1_platform_data,
 162         },
 163 };
 164
 165 static struct plat_sci_port scif2_platform_data = {
 166         .mapbase        = 0xffe42000,
 167         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 168         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 169         .scbrr_algo_id  = SCBRR_ALGO_2,
 170         .type           = PORT_SCIF,
 171         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7a)),
 172 };
 173
 174 static struct platform_device scif2_device = {
 175         .name           = "sh-sci",
 176         .id             = 2,
 177         .dev            = {
 178                 .platform_data  = &scif2_platform_data,
 179         },
 180 };
 181
 182 static struct plat_sci_port scif3_platform_data = {
 183         .mapbase        = 0xffe43000,
 184         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 185         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 186         .scbrr_algo_id  = SCBRR_ALGO_2,
 187         .type           = PORT_SCIF,
 188         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7b)),
 189 };
 190
 191 static struct platform_device scif3_device = {
 192         .name           = "sh-sci",
 193         .id             = 3,
 194         .dev            = {
 195                 .platform_data  = &scif3_platform_data,
 196         },
 197 };
 198
 199 static struct plat_sci_port scif4_platform_data = {
 200         .mapbase        = 0xffe44000,
 201         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 202         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 203         .scbrr_algo_id  = SCBRR_ALGO_2,
 204         .type           = PORT_SCIF,
 205         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7c)),
 206 };
 207
 208 static struct platform_device scif4_device = {
 209         .name           = "sh-sci",
 210         .id             = 4,
 211         .dev            = {
 212                 .platform_data  = &scif4_platform_data,
 213         },
 214 };
 215
 216 static struct plat_sci_port scif5_platform_data = {
 217         .mapbase        = 0xffe45000,
 218         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 219         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 220         .scbrr_algo_id  = SCBRR_ALGO_2,
 221         .type           = PORT_SCIF,
 222         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7d)),
 223 };
 224
 225 static struct platform_device scif5_device = {
 226         .name           = "sh-sci",
 227         .id             = 5,
 228         .dev            = {
 229                 .platform_data  = &scif5_platform_data,
 230         },
 231 };
 232
 233 /* TMU */
 234 static struct sh_timer_config tmu00_platform_data = {
 235         .name = "TMU00",
 236         .channel_offset = 0x4,
 237         .timer_bit = 0,
 238         .clockevent_rating = 200,
 239 };
 240
 241 static struct resource tmu00_resources[] = {
 242         [0] = {
 243                 .name   = "TMU00",
 244                 .start  = 0xffd80008,
 245                 .end    = 0xffd80013,
 246                 .flags  = IORESOURCE_MEM,
 247         },
 248         [1] = {
 249                 .start  = gic_iid(0x40),
 250                 .flags  = IORESOURCE_IRQ,
 251         },
 252 };
 253
 254 static struct platform_device tmu00_device = {
 255         .name           = "sh_tmu",
 256         .id             = 0,
 257         .dev = {
 258                 .platform_data  = &tmu00_platform_data,
 259         },
 260         .resource       = tmu00_resources,
 261         .num_resources  = ARRAY_SIZE(tmu00_resources),
 262 };
 263
 264 static struct sh_timer_config tmu01_platform_data = {
 265         .name = "TMU01",
 266         .channel_offset = 0x10,
 267         .timer_bit = 1,
 268         .clocksource_rating = 200,
 269 };
 270
 271 static struct resource tmu01_resources[] = {
 272         [0] = {
 273                 .name   = "TMU01",
 274                 .start  = 0xffd80014,
 275                 .end    = 0xffd8001f,
 276                 .flags  = IORESOURCE_MEM,
 277         },
 278         [1] = {
 279                 .start  = gic_iid(0x41),
 280                 .flags  = IORESOURCE_IRQ,
 281         },
 282 };
 283
 284 static struct platform_device tmu01_device = {
 285         .name           = "sh_tmu",
 286         .id             = 1,
 287         .dev = {
 288                 .platform_data  = &tmu01_platform_data,
 289         },
 290         .resource       = tmu01_resources,
 291         .num_resources  = ARRAY_SIZE(tmu01_resources),
 292 };
 293
 294 /* I2C */
 295 static struct resource rcar_i2c0_res[] = {
 296         {
 297                 .start  = 0xffc70000,
 298                 .end    = 0xffc70fff,
 299                 .flags  = IORESOURCE_MEM,
 300         }, {
 301                 .start  = gic_iid(0x6f),
 302                 .flags  = IORESOURCE_IRQ,
 303         },
 304 };
 305
 306 static struct platform_device i2c0_device = {
 307         .name           = "i2c-rcar",
 308         .id             = 0,
 309         .resource       = rcar_i2c0_res,
 310         .num_resources  = ARRAY_SIZE(rcar_i2c0_res),
 311 };
 312
 313 static struct resource rcar_i2c1_res[] = {
 314         {
 315                 .start  = 0xffc71000,
 316                 .end    = 0xffc71fff,
 317                 .flags  = IORESOURCE_MEM,
 318         }, {
 319                 .start  = gic_iid(0x72),
 320                 .flags  = IORESOURCE_IRQ,
 321         },
 322 };
 323
 324 static struct platform_device i2c1_device = {
 325         .name           = "i2c-rcar",
 326         .id             = 1,
 327         .resource       = rcar_i2c1_res,
 328         .num_resources  = ARRAY_SIZE(rcar_i2c1_res),
 329 };
 330
 331 static struct resource rcar_i2c2_res[] = {
 332         {
 333                 .start  = 0xffc72000,
 334                 .end    = 0xffc72fff,
 335                 .flags  = IORESOURCE_MEM,
 336         }, {
 337                 .start  = gic_iid(0x70),
 338                 .flags  = IORESOURCE_IRQ,
 339         },
 340 };
 341
 342 static struct platform_device i2c2_device = {
 343         .name           = "i2c-rcar",
 344         .id             = 2,
 345         .resource       = rcar_i2c2_res,
 346         .num_resources  = ARRAY_SIZE(rcar_i2c2_res),
 347 };
 348
 349 static struct resource rcar_i2c3_res[] = {
 350         {
 351                 .start  = 0xffc73000,
 352                 .end    = 0xffc73fff,
 353                 .flags  = IORESOURCE_MEM,
 354         }, {
 355                 .start  = gic_iid(0x71),
 356                 .flags  = IORESOURCE_IRQ,
 357         },
 358 };
 359
 360 static struct platform_device i2c3_device = {
 361         .name           = "i2c-rcar",
 362         .id             = 3,
 363         .resource       = rcar_i2c3_res,
 364         .num_resources  = ARRAY_SIZE(rcar_i2c3_res),
 365 };
 366
 367 static struct resource sata_resources[] = {
 368         [0] = {
 369                 .name   = "rcar-sata",
 370                 .start  = 0xfc600000,
 371                 .end    = 0xfc601fff,
 372                 .flags  = IORESOURCE_MEM,
 373         },
 374         [1] = {
 375                 .start  = gic_iid(0x84),
 376                 .flags  = IORESOURCE_IRQ,
 377         },
 378 };
 379
 380 static struct platform_device sata_device = {
 381         .name           = "sata_rcar",
 382         .id             = -1,
 383         .resource       = sata_resources,
 384         .num_resources  = ARRAY_SIZE(sata_resources),
 385         .dev            = {
 386                 .dma_mask               = &sata_device.dev.coherent_dma_mask,
 387                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 388         },
 389 };
 390
 391 /* USB PHY */
 392 static struct resource usb_phy_resources[] __initdata = {
 393         [0] = {
 394                 .start          = 0xffe70800,
 395                 .end            = 0xffe70900 - 1,
 396                 .flags          = IORESOURCE_MEM,
 397         },
 398 };
 399
 400 /* USB */
 401 static struct usb_phy *phy;
 402
 403 static int usb_power_on(struct platform_device *pdev)
 404 {
 405         if (IS_ERR(phy))
 406                 return PTR_ERR(phy);
 407
 408         pm_runtime_enable(&pdev->dev);
 409         pm_runtime_get_sync(&pdev->dev);
 410
 411         usb_phy_init(phy);
 412
 413         return 0;
 414 }
 415
 416 static void usb_power_off(struct platform_device *pdev)
 417 {
 418         if (IS_ERR(phy))
 419                 return;
 420
 421         usb_phy_shutdown(phy);
 422
 423         pm_runtime_put_sync(&pdev->dev);
 424         pm_runtime_disable(&pdev->dev);
 425 }
 426
 427 static int ehci_init_internal_buffer(struct usb_hcd *hcd)
 428 {
 429         /*
 430          * Below are recommended values from the datasheet;
 431          * see [USB :: Setting of EHCI Internal Buffer].
 432          */
 433         /* EHCI IP internal buffer setting */
 434         iowrite32(0x00ff0040, hcd->regs + 0x0094);
 435         /* EHCI IP internal buffer enable */
 436         iowrite32(0x00000001, hcd->regs + 0x009C);
 437
 438         return 0;
 439 }
 440
 441 static struct usb_ehci_pdata ehcix_pdata = {
 442         .power_on       = usb_power_on,
 443         .power_off      = usb_power_off,
 444         .power_suspend  = usb_power_off,
 445         .pre_setup      = ehci_init_internal_buffer,
 446 };
 447
 448 static struct resource ehci0_resources[] = {
 449         [0] = {
 450                 .start  = 0xffe70000,
 451                 .end    = 0xffe70400 - 1,
 452                 .flags  = IORESOURCE_MEM,
 453         },
 454         [1] = {
 455                 .start  = gic_iid(0x4c),
 456                 .flags  = IORESOURCE_IRQ,
 457         },
 458 };
 459
 460 static struct platform_device ehci0_device = {
 461         .name   = "ehci-platform",
 462         .id     = 0,
 463         .dev    = {
 464                 .dma_mask               = &ehci0_device.dev.coherent_dma_mask,
 465                 .coherent_dma_mask      = 0xffffffff,
 466                 .platform_data          = &ehcix_pdata,
 467         },
 468         .num_resources  = ARRAY_SIZE(ehci0_resources),
 469         .resource       = ehci0_resources,
 470 };
 471
 472 static struct resource ehci1_resources[] = {
 473         [0] = {
 474                 .start  = 0xfff70000,
 475                 .end    = 0xfff70400 - 1,
 476                 .flags  = IORESOURCE_MEM,
 477         },
 478         [1] = {
 479                 .start  = gic_iid(0x4d),
 480                 .flags  = IORESOURCE_IRQ,
 481         },
 482 };
 483
 484 static struct platform_device ehci1_device = {
 485         .name   = "ehci-platform",
 486         .id     = 1,
 487         .dev    = {
 488                 .dma_mask               = &ehci1_device.dev.coherent_dma_mask,
 489                 .coherent_dma_mask      = 0xffffffff,
 490                 .platform_data          = &ehcix_pdata,
 491         },
 492         .num_resources  = ARRAY_SIZE(ehci1_resources),
 493         .resource       = ehci1_resources,
 494 };
 495
 496 static struct usb_ohci_pdata ohcix_pdata = {
 497         .power_on       = usb_power_on,
 498         .power_off      = usb_power_off,
 499         .power_suspend  = usb_power_off,
 500 };
 501
 502 static struct resource ohci0_resources[] = {
 503         [0] = {
 504                 .start  = 0xffe70400,
 505                 .end    = 0xffe70800 - 1,
 506                 .flags  = IORESOURCE_MEM,
 507         },
 508         [1] = {
 509                 .start  = gic_iid(0x4c),
 510                 .flags  = IORESOURCE_IRQ,
 511         },
 512 };
 513
 514 static struct platform_device ohci0_device = {
 515         .name   = "ohci-platform",
 516         .id     = 0,
 517         .dev    = {
 518                 .dma_mask               = &ohci0_device.dev.coherent_dma_mask,
 519                 .coherent_dma_mask      = 0xffffffff,
 520                 .platform_data          = &ohcix_pdata,
 521         },
 522         .num_resources  = ARRAY_SIZE(ohci0_resources),
 523         .resource       = ohci0_resources,
 524 };
 525
 526 static struct resource ohci1_resources[] = {
 527         [0] = {
 528                 .start  = 0xfff70400,
 529                 .end    = 0xfff70800 - 1,
 530                 .flags  = IORESOURCE_MEM,
 531         },
 532         [1] = {
 533                 .start  = gic_iid(0x4d),
 534                 .flags  = IORESOURCE_IRQ,
 535         },
 536 };
 537
 538 static struct platform_device ohci1_device = {
 539         .name   = "ohci-platform",
 540         .id     = 1,
 541         .dev    = {
 542                 .dma_mask               = &ohci1_device.dev.coherent_dma_mask,
 543                 .coherent_dma_mask      = 0xffffffff,
 544                 .platform_data          = &ohcix_pdata,
 545         },
 546         .num_resources  = ARRAY_SIZE(ohci1_resources),
 547         .resource       = ohci1_resources,
 548 };
 549
 550 /* Ether */
 551 static struct resource ether_resources[] = {
 552         {
 553                 .start  = 0xfde00000,
 554                 .end    = 0xfde003ff,
 555                 .flags  = IORESOURCE_MEM,
 556         }, {
 557                 .start  = gic_iid(0xb4),
 558                 .flags  = IORESOURCE_IRQ,
 559         },
 560 };
 561
 562 #define R8A7779_VIN(idx) \
 563 static struct resource vin##idx##_resources[] __initdata = {            \
 564         DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000),            \
 565         DEFINE_RES_IRQ(gic_iid(0x5f + (idx))),                          \
 566 };                                                                      \
 567                                                                         \
 568 static struct platform_device_info vin##idx##_info __initdata = {       \
 569         .parent         = &platform_bus,                                \
 570         .name           = "r8a7779-vin",                                \
 571         .id             = idx,                                          \
 572         .res            = vin##idx##_resources,                         \
 573         .num_res        = ARRAY_SIZE(vin##idx##_resources),             \
 574         .dma_mask       = DMA_BIT_MASK(32),                             \
 575 }
 576
 577 R8A7779_VIN(0);
 578 R8A7779_VIN(1);
 579 R8A7779_VIN(2);
 580 R8A7779_VIN(3);
 581
 582 static struct platform_device_info *vin_info_table[] __initdata = {
 583         &vin0_info,
 584         &vin1_info,
 585         &vin2_info,
 586         &vin3_info,
 587 };
 588
 589 static struct platform_device *r8a7779_devices_dt[] __initdata = {
 590         &scif0_device,
 591         &scif1_device,
 592         &scif2_device,
 593         &scif3_device,
 594         &scif4_device,
 595         &scif5_device,
 596         &tmu00_device,
 597         &tmu01_device,
 598 };
 599
 600 static struct platform_device *r8a7779_standard_devices[] __initdata = {
 601         &i2c0_device,
 602         &i2c1_device,
 603         &i2c2_device,
 604         &i2c3_device,
 605         &sata_device,
 606 };
 607
 608 void __init r8a7779_add_standard_devices(void)
 609 {
 610 #ifdef CONFIG_CACHE_L2X0
 611         /* Early BRESP enable, Shared attribute override enable, 64K*16way */
 612         l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
 613 #endif
 614         r8a7779_pm_init();
 615
 616         r8a7779_init_pm_domains();
 617
 618         platform_add_devices(r8a7779_devices_dt,
 619                             ARRAY_SIZE(r8a7779_devices_dt));
 620         platform_add_devices(r8a7779_standard_devices,
 621                             ARRAY_SIZE(r8a7779_standard_devices));
 622 }
 623
 624 void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
 625 {
 626         platform_device_register_resndata(&platform_bus, "r8a777x-ether", -1,
 627                                           ether_resources,
 628                                           ARRAY_SIZE(ether_resources),
 629                                           pdata, sizeof(*pdata));
 630 }
 631
 632 void __init r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata)
 633 {
 634         platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1,
 635                                           usb_phy_resources,
 636                                           ARRAY_SIZE(usb_phy_resources),
 637                                           pdata, sizeof(*pdata));
 638 }
 639
 640 void __init r8a7779_add_vin_device(int id, struct rcar_vin_platform_data *pdata)
 641 {
 642         BUG_ON(id < 0 || id > 3);
 643
 644         vin_info_table[id]->data = pdata;
 645         vin_info_table[id]->size_data = sizeof(*pdata);
 646
 647         platform_device_register_full(vin_info_table[id]);
 648 }
 649
 650 /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
 651 void __init __weak r8a7779_register_twd(void) { }
 652
 653 void __init r8a7779_earlytimer_init(void)
 654 {
 655         r8a7779_clock_init();
 656         shmobile_earlytimer_init();
 657         r8a7779_register_twd();
 658 }
 659
 660 void __init r8a7779_add_early_devices(void)
 661 {
 662         early_platform_add_devices(r8a7779_devices_dt,
 663                                    ARRAY_SIZE(r8a7779_devices_dt));
 664
 665         /* Early serial console setup is not included here due to
 666          * memory map collisions. The SCIF serial ports in r8a7779
 667          * are difficult to entity map 1:1 due to collision with the
 668          * virtual memory range used by the coherent DMA code on ARM.
 669          *
 670          * Anyone wanting to debug early can remove UPF_IOREMAP from
 671          * the sh-sci serial console platform data, adjust mapbase
 672          * to a static M:N virt:phys mapping that needs to be added to
 673          * the mappings passed with iotable_init() above.
 674          *
 675          * Then add a call to shmobile_setup_console() from this function.
 676          *
 677          * As a final step pass earlyprint=sh-sci.2,115200 on the kernel
 678          * command line in case of the marzen board.
 679          */
 680 }
 681
 682 static struct platform_device *r8a7779_late_devices[] __initdata = {
 683         &ehci0_device,
 684         &ehci1_device,
 685         &ohci0_device,
 686         &ohci1_device,
 687 };
 688
 689 void __init r8a7779_init_late(void)
 690 {
 691         /* get USB PHY */
 692         phy = usb_get_phy(USB_PHY_TYPE_USB2);
 693
 694         shmobile_init_late();
 695         platform_add_devices(r8a7779_late_devices,
 696                              ARRAY_SIZE(r8a7779_late_devices));
 697 }
 698
 699 #ifdef CONFIG_USE_OF
 700 void __init r8a7779_init_delay(void)
 701 {
 702         shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
 703 }
 704
 705 void __init r8a7779_add_standard_devices_dt(void)
 706 {
 707         /* clocks are setup late during boot in the case of DT */
 708         r8a7779_clock_init();
 709
 710         platform_add_devices(r8a7779_devices_dt,
 711                              ARRAY_SIZE(r8a7779_devices_dt));
 712         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 713 }
 714
 715 static const char *r8a7779_compat_dt[] __initdata = {
 716         "renesas,r8a7779",
 717         NULL,
 718 };
 719
 720 DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
 721         .map_io         = r8a7779_map_io,
 722         .init_early     = r8a7779_init_delay,
 723         .nr_irqs        = NR_IRQS_LEGACY,
 724         .init_irq       = r8a7779_init_irq_dt,
 725         .init_machine   = r8a7779_add_standard_devices_dt,
 726         .init_time      = shmobile_timer_init,
 727         .init_late      = r8a7779_init_late,
 728         .dt_compat      = r8a7779_compat_dt,
 729 MACHINE_END
 730 #endif /* CONFIG_USE_OF */