arch/arm/mach-shmobile/setup-r8a7740.c

   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/irqchip.h>
  26 #include <linux/irqchip/arm-gic.h>
  27 #include <linux/platform_data/irq-renesas-intc-irqpin.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/of_platform.h>
  30 #include <linux/serial_sci.h>
  31 #include <linux/sh_dma.h>
  32 #include <linux/sh_timer.h>
  33 #include <linux/platform_data/sh_ipmmu.h>
  34 #include <mach/dma-register.h>
  35 #include <mach/r8a7740.h>
  36 #include <mach/pm-rmobile.h>
  37 #include <mach/common.h>
  38 #include <mach/irqs.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/time.h>
  43
  44 static struct map_desc r8a7740_io_desc[] __initdata = {
  45          /*
  46           * for CPGA/INTC/PFC
  47           * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff
  48           */
  49         {
  50                 .virtual        = 0xe6000000,
  51                 .pfn            = __phys_to_pfn(0xe6000000),
  52                 .length         = 160 << 20,
  53                 .type           = MT_DEVICE_NONSHARED
  54         },
  55 #ifdef CONFIG_CACHE_L2X0
  56         /*
  57          * for l2x0_init()
  58          * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000
  59          */
  60         {
  61                 .virtual        = 0xf0002000,
  62                 .pfn            = __phys_to_pfn(0xf0100000),
  63                 .length         = PAGE_SIZE,
  64                 .type           = MT_DEVICE_NONSHARED
  65         },
  66 #endif
  67 };
  68
  69 void __init r8a7740_map_io(void)
  70 {
  71         iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc));
  72 }
  73
  74 /* PFC */
  75 static const struct resource pfc_resources[] = {
  76         DEFINE_RES_MEM(0xe6050000, 0x8000),
  77         DEFINE_RES_MEM(0xe605800c, 0x0020),
  78 };
  79
  80 void __init r8a7740_pinmux_init(void)
  81 {
  82         platform_device_register_simple("pfc-r8a7740", -1, pfc_resources,
  83                                         ARRAY_SIZE(pfc_resources));
  84 }
  85
  86 static struct renesas_intc_irqpin_config irqpin0_platform_data = {
  87         .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */
  88 };
  89
  90 static struct resource irqpin0_resources[] = {
  91         DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */
  92         DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */
  93         DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */
  94         DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */
  95         DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */
  96         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ0 */
  97         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ1 */
  98         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ2 */
  99         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ3 */
 100         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ4 */
 101         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ5 */
 102         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ6 */
 103         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ7 */
 104 };
 105
 106 static struct platform_device irqpin0_device = {
 107         .name           = "renesas_intc_irqpin",
 108         .id             = 0,
 109         .resource       = irqpin0_resources,
 110         .num_resources  = ARRAY_SIZE(irqpin0_resources),
 111         .dev            = {
 112                 .platform_data  = &irqpin0_platform_data,
 113         },
 114 };
 115
 116 static struct renesas_intc_irqpin_config irqpin1_platform_data = {
 117         .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */
 118 };
 119
 120 static struct resource irqpin1_resources[] = {
 121         DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */
 122         DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */
 123         DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */
 124         DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */
 125         DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */
 126         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ8 */
 127         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ9 */
 128         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ10 */
 129         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ11 */
 130         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ12 */
 131         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ13 */
 132         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ14 */
 133         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ15 */
 134 };
 135
 136 static struct platform_device irqpin1_device = {
 137         .name           = "renesas_intc_irqpin",
 138         .id             = 1,
 139         .resource       = irqpin1_resources,
 140         .num_resources  = ARRAY_SIZE(irqpin1_resources),
 141         .dev            = {
 142                 .platform_data  = &irqpin1_platform_data,
 143         },
 144 };
 145
 146 static struct renesas_intc_irqpin_config irqpin2_platform_data = {
 147         .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */
 148 };
 149
 150 static struct resource irqpin2_resources[] = {
 151         DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */
 152         DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI30A */
 153         DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ30A */
 154         DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK30A */
 155         DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR30A */
 156         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ16 */
 157         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ17 */
 158         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ18 */
 159         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ19 */
 160         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ20 */
 161         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ21 */
 162         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ22 */
 163         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ23 */
 164 };
 165
 166 static struct platform_device irqpin2_device = {
 167         .name           = "renesas_intc_irqpin",
 168         .id             = 2,
 169         .resource       = irqpin2_resources,
 170         .num_resources  = ARRAY_SIZE(irqpin2_resources),
 171         .dev            = {
 172                 .platform_data  = &irqpin2_platform_data,
 173         },
 174 };
 175
 176 static struct renesas_intc_irqpin_config irqpin3_platform_data = {
 177         .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */
 178 };
 179
 180 static struct resource irqpin3_resources[] = {
 181         DEFINE_RES_MEM(0xe690000c, 4), /* ICR3A */
 182         DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */
 183         DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */
 184         DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */
 185         DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */
 186         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ24 */
 187         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ25 */
 188         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ26 */
 189         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ27 */
 190         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ28 */
 191         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ29 */
 192         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ30 */
 193         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ31 */
 194 };
 195
 196 static struct platform_device irqpin3_device = {
 197         .name           = "renesas_intc_irqpin",
 198         .id             = 3,
 199         .resource       = irqpin3_resources,
 200         .num_resources  = ARRAY_SIZE(irqpin3_resources),
 201         .dev            = {
 202                 .platform_data  = &irqpin3_platform_data,
 203         },
 204 };
 205
 206 /* SCIF */
 207 #define R8A7740_SCIF(scif_type, index, baseaddr, irq)           \
 208 static struct plat_sci_port scif##index##_platform_data = {     \
 209         .type           = scif_type,                            \
 210         .flags          = UPF_BOOT_AUTOCONF,                    \
 211         .scscr          = SCSCR_RE | SCSCR_TE,                  \
 212 };                                                              \
 213                                                                 \
 214 static struct resource scif##index##_resources[] = {            \
 215         DEFINE_RES_MEM(baseaddr, 0x100),                        \
 216         DEFINE_RES_IRQ(irq),                                    \
 217 };                                                              \
 218                                                                 \
 219 static struct platform_device scif##index##_device = {          \
 220         .name           = "sh-sci",                             \
 221         .id             = index,                                \
 222         .resource       = scif##index##_resources,              \
 223         .num_resources  = ARRAY_SIZE(scif##index##_resources),  \
 224         .dev            = {                                     \
 225                 .platform_data  = &scif##index##_platform_data, \
 226         },                                                      \
 227 }
 228
 229 R8A7740_SCIF(PORT_SCIFA, 0, 0xe6c40000, gic_spi(100));
 230 R8A7740_SCIF(PORT_SCIFA, 1, 0xe6c50000, gic_spi(101));
 231 R8A7740_SCIF(PORT_SCIFA, 2, 0xe6c60000, gic_spi(102));
 232 R8A7740_SCIF(PORT_SCIFA, 3, 0xe6c70000, gic_spi(103));
 233 R8A7740_SCIF(PORT_SCIFA, 4, 0xe6c80000, gic_spi(104));
 234 R8A7740_SCIF(PORT_SCIFA, 5, 0xe6cb0000, gic_spi(105));
 235 R8A7740_SCIF(PORT_SCIFA, 6, 0xe6cc0000, gic_spi(106));
 236 R8A7740_SCIF(PORT_SCIFA, 7, 0xe6cd0000, gic_spi(107));
 237 R8A7740_SCIF(PORT_SCIFB, 8, 0xe6c30000, gic_spi(108));
 238
 239 /* CMT */
 240 static struct sh_timer_config cmt10_platform_data = {
 241         .name = "CMT10",
 242         .channel_offset = 0x10,
 243         .timer_bit = 0,
 244         .clockevent_rating = 125,
 245         .clocksource_rating = 125,
 246 };
 247
 248 static struct resource cmt10_resources[] = {
 249         [0] = {
 250                 .name   = "CMT10",
 251                 .start  = 0xe6138010,
 252                 .end    = 0xe613801b,
 253                 .flags  = IORESOURCE_MEM,
 254         },
 255         [1] = {
 256                 .start  = gic_spi(58),
 257                 .flags  = IORESOURCE_IRQ,
 258         },
 259 };
 260
 261 static struct platform_device cmt10_device = {
 262         .name           = "sh_cmt",
 263         .id             = 10,
 264         .dev = {
 265                 .platform_data  = &cmt10_platform_data,
 266         },
 267         .resource       = cmt10_resources,
 268         .num_resources  = ARRAY_SIZE(cmt10_resources),
 269 };
 270
 271 /* TMU */
 272 static struct sh_timer_config tmu00_platform_data = {
 273         .name = "TMU00",
 274         .channel_offset = 0x4,
 275         .timer_bit = 0,
 276         .clockevent_rating = 200,
 277 };
 278
 279 static struct resource tmu00_resources[] = {
 280         [0] = {
 281                 .name   = "TMU00",
 282                 .start  = 0xfff80008,
 283                 .end    = 0xfff80014 - 1,
 284                 .flags  = IORESOURCE_MEM,
 285         },
 286         [1] = {
 287                 .start  = gic_spi(198),
 288                 .flags  = IORESOURCE_IRQ,
 289         },
 290 };
 291
 292 static struct platform_device tmu00_device = {
 293         .name           = "sh_tmu",
 294         .id             = 0,
 295         .dev = {
 296                 .platform_data  = &tmu00_platform_data,
 297         },
 298         .resource       = tmu00_resources,
 299         .num_resources  = ARRAY_SIZE(tmu00_resources),
 300 };
 301
 302 static struct sh_timer_config tmu01_platform_data = {
 303         .name = "TMU01",
 304         .channel_offset = 0x10,
 305         .timer_bit = 1,
 306         .clocksource_rating = 200,
 307 };
 308
 309 static struct resource tmu01_resources[] = {
 310         [0] = {
 311                 .name   = "TMU01",
 312                 .start  = 0xfff80014,
 313                 .end    = 0xfff80020 - 1,
 314                 .flags  = IORESOURCE_MEM,
 315         },
 316         [1] = {
 317                 .start  = gic_spi(199),
 318                 .flags  = IORESOURCE_IRQ,
 319         },
 320 };
 321
 322 static struct platform_device tmu01_device = {
 323         .name           = "sh_tmu",
 324         .id             = 1,
 325         .dev = {
 326                 .platform_data  = &tmu01_platform_data,
 327         },
 328         .resource       = tmu01_resources,
 329         .num_resources  = ARRAY_SIZE(tmu01_resources),
 330 };
 331
 332 static struct sh_timer_config tmu02_platform_data = {
 333         .name = "TMU02",
 334         .channel_offset = 0x1C,
 335         .timer_bit = 2,
 336         .clocksource_rating = 200,
 337 };
 338
 339 static struct resource tmu02_resources[] = {
 340         [0] = {
 341                 .name   = "TMU02",
 342                 .start  = 0xfff80020,
 343                 .end    = 0xfff8002C - 1,
 344                 .flags  = IORESOURCE_MEM,
 345         },
 346         [1] = {
 347                 .start  = gic_spi(200),
 348                 .flags  = IORESOURCE_IRQ,
 349         },
 350 };
 351
 352 static struct platform_device tmu02_device = {
 353         .name           = "sh_tmu",
 354         .id             = 2,
 355         .dev = {
 356                 .platform_data  = &tmu02_platform_data,
 357         },
 358         .resource       = tmu02_resources,
 359         .num_resources  = ARRAY_SIZE(tmu02_resources),
 360 };
 361
 362 /* IPMMUI (an IPMMU module for ICB/LMB) */
 363 static struct resource ipmmu_resources[] = {
 364         [0] = {
 365                 .name   = "IPMMUI",
 366                 .start  = 0xfe951000,
 367                 .end    = 0xfe9510ff,
 368                 .flags  = IORESOURCE_MEM,
 369         },
 370 };
 371
 372 static const char * const ipmmu_dev_names[] = {
 373         "sh_mobile_lcdc_fb.0",
 374         "sh_mobile_lcdc_fb.1",
 375         "sh_mobile_ceu.0",
 376 };
 377
 378 static struct shmobile_ipmmu_platform_data ipmmu_platform_data = {
 379         .dev_names = ipmmu_dev_names,
 380         .num_dev_names = ARRAY_SIZE(ipmmu_dev_names),
 381 };
 382
 383 static struct platform_device ipmmu_device = {
 384         .name           = "ipmmu",
 385         .id             = -1,
 386         .dev = {
 387                 .platform_data = &ipmmu_platform_data,
 388         },
 389         .resource       = ipmmu_resources,
 390         .num_resources  = ARRAY_SIZE(ipmmu_resources),
 391 };
 392
 393 static struct platform_device *r8a7740_devices_dt[] __initdata = {
 394         &scif0_device,
 395         &scif1_device,
 396         &scif2_device,
 397         &scif3_device,
 398         &scif4_device,
 399         &scif5_device,
 400         &scif6_device,
 401         &scif7_device,
 402         &scif8_device,
 403         &cmt10_device,
 404 };
 405
 406 static struct platform_device *r8a7740_early_devices[] __initdata = {
 407         &irqpin0_device,
 408         &irqpin1_device,
 409         &irqpin2_device,
 410         &irqpin3_device,
 411         &tmu00_device,
 412         &tmu01_device,
 413         &tmu02_device,
 414         &ipmmu_device,
 415 };
 416
 417 /* DMA */
 418 static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
 419         {
 420                 .slave_id       = SHDMA_SLAVE_SDHI0_TX,
 421                 .addr           = 0xe6850030,
 422                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 423                 .mid_rid        = 0xc1,
 424         }, {
 425                 .slave_id       = SHDMA_SLAVE_SDHI0_RX,
 426                 .addr           = 0xe6850030,
 427                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 428                 .mid_rid        = 0xc2,
 429         }, {
 430                 .slave_id       = SHDMA_SLAVE_SDHI1_TX,
 431                 .addr           = 0xe6860030,
 432                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 433                 .mid_rid        = 0xc9,
 434         }, {
 435                 .slave_id       = SHDMA_SLAVE_SDHI1_RX,
 436                 .addr           = 0xe6860030,
 437                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 438                 .mid_rid        = 0xca,
 439         }, {
 440                 .slave_id       = SHDMA_SLAVE_SDHI2_TX,
 441                 .addr           = 0xe6870030,
 442                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
 443                 .mid_rid        = 0xcd,
 444         }, {
 445                 .slave_id       = SHDMA_SLAVE_SDHI2_RX,
 446                 .addr           = 0xe6870030,
 447                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
 448                 .mid_rid        = 0xce,
 449         }, {
 450                 .slave_id       = SHDMA_SLAVE_FSIA_TX,
 451                 .addr           = 0xfe1f0024,
 452                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
 453                 .mid_rid        = 0xb1,
 454         }, {
 455                 .slave_id       = SHDMA_SLAVE_FSIA_RX,
 456                 .addr           = 0xfe1f0020,
 457                 .chcr           = CHCR_RX(XMIT_SZ_32BIT),
 458                 .mid_rid        = 0xb2,
 459         }, {
 460                 .slave_id       = SHDMA_SLAVE_FSIB_TX,
 461                 .addr           = 0xfe1f0064,
 462                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
 463                 .mid_rid        = 0xb5,
 464         }, {
 465                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
 466                 .addr           = 0xe6bd0034,
 467                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
 468                 .mid_rid        = 0xd1,
 469         }, {
 470                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
 471                 .addr           = 0xe6bd0034,
 472                 .chcr           = CHCR_RX(XMIT_SZ_32BIT),
 473                 .mid_rid        = 0xd2,
 474         },
 475 };
 476
 477 #define DMA_CHANNEL(a, b, c)                    \
 478 {                                               \
 479         .offset         = a,                    \
 480         .dmars          = b,                    \
 481         .dmars_bit      = c,                    \
 482         .chclr_offset   = (0x220 - 0x20) + a    \
 483 }
 484
 485 static const struct sh_dmae_channel r8a7740_dmae_channels[] = {
 486         DMA_CHANNEL(0x00, 0, 0),
 487         DMA_CHANNEL(0x10, 0, 8),
 488         DMA_CHANNEL(0x20, 4, 0),
 489         DMA_CHANNEL(0x30, 4, 8),
 490         DMA_CHANNEL(0x50, 8, 0),
 491         DMA_CHANNEL(0x60, 8, 8),
 492 };
 493
 494 static struct sh_dmae_pdata dma_platform_data = {
 495         .slave          = r8a7740_dmae_slaves,
 496         .slave_num      = ARRAY_SIZE(r8a7740_dmae_slaves),
 497         .channel        = r8a7740_dmae_channels,
 498         .channel_num    = ARRAY_SIZE(r8a7740_dmae_channels),
 499         .ts_low_shift   = TS_LOW_SHIFT,
 500         .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
 501         .ts_high_shift  = TS_HI_SHIFT,
 502         .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
 503         .ts_shift       = dma_ts_shift,
 504         .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
 505         .dmaor_init     = DMAOR_DME,
 506         .chclr_present  = 1,
 507 };
 508
 509 /* Resource order important! */
 510 static struct resource r8a7740_dmae0_resources[] = {
 511         {
 512                 /* Channel registers and DMAOR */
 513                 .start  = 0xfe008020,
 514                 .end    = 0xfe00828f,
 515                 .flags  = IORESOURCE_MEM,
 516         },
 517         {
 518                 /* DMARSx */
 519                 .start  = 0xfe009000,
 520                 .end    = 0xfe00900b,
 521                 .flags  = IORESOURCE_MEM,
 522         },
 523         {
 524                 .name   = "error_irq",
 525                 .start  = gic_spi(34),
 526                 .end    = gic_spi(34),
 527                 .flags  = IORESOURCE_IRQ,
 528         },
 529         {
 530                 /* IRQ for channels 0-5 */
 531                 .start  = gic_spi(28),
 532                 .end    = gic_spi(33),
 533                 .flags  = IORESOURCE_IRQ,
 534         },
 535 };
 536
 537 /* Resource order important! */
 538 static struct resource r8a7740_dmae1_resources[] = {
 539         {
 540                 /* Channel registers and DMAOR */
 541                 .start  = 0xfe018020,
 542                 .end    = 0xfe01828f,
 543                 .flags  = IORESOURCE_MEM,
 544         },
 545         {
 546                 /* DMARSx */
 547                 .start  = 0xfe019000,
 548                 .end    = 0xfe01900b,
 549                 .flags  = IORESOURCE_MEM,
 550         },
 551         {
 552                 .name   = "error_irq",
 553                 .start  = gic_spi(41),
 554                 .end    = gic_spi(41),
 555                 .flags  = IORESOURCE_IRQ,
 556         },
 557         {
 558                 /* IRQ for channels 0-5 */
 559                 .start  = gic_spi(35),
 560                 .end    = gic_spi(40),
 561                 .flags  = IORESOURCE_IRQ,
 562         },
 563 };
 564
 565 /* Resource order important! */
 566 static struct resource r8a7740_dmae2_resources[] = {
 567         {
 568                 /* Channel registers and DMAOR */
 569                 .start  = 0xfe028020,
 570                 .end    = 0xfe02828f,
 571                 .flags  = IORESOURCE_MEM,
 572         },
 573         {
 574                 /* DMARSx */
 575                 .start  = 0xfe029000,
 576                 .end    = 0xfe02900b,
 577                 .flags  = IORESOURCE_MEM,
 578         },
 579         {
 580                 .name   = "error_irq",
 581                 .start  = gic_spi(48),
 582                 .end    = gic_spi(48),
 583                 .flags  = IORESOURCE_IRQ,
 584         },
 585         {
 586                 /* IRQ for channels 0-5 */
 587                 .start  = gic_spi(42),
 588                 .end    = gic_spi(47),
 589                 .flags  = IORESOURCE_IRQ,
 590         },
 591 };
 592
 593 static struct platform_device dma0_device = {
 594         .name           = "sh-dma-engine",
 595         .id             = 0,
 596         .resource       = r8a7740_dmae0_resources,
 597         .num_resources  = ARRAY_SIZE(r8a7740_dmae0_resources),
 598         .dev            = {
 599                 .platform_data  = &dma_platform_data,
 600         },
 601 };
 602
 603 static struct platform_device dma1_device = {
 604         .name           = "sh-dma-engine",
 605         .id             = 1,
 606         .resource       = r8a7740_dmae1_resources,
 607         .num_resources  = ARRAY_SIZE(r8a7740_dmae1_resources),
 608         .dev            = {
 609                 .platform_data  = &dma_platform_data,
 610         },
 611 };
 612
 613 static struct platform_device dma2_device = {
 614         .name           = "sh-dma-engine",
 615         .id             = 2,
 616         .resource       = r8a7740_dmae2_resources,
 617         .num_resources  = ARRAY_SIZE(r8a7740_dmae2_resources),
 618         .dev            = {
 619                 .platform_data  = &dma_platform_data,
 620         },
 621 };
 622
 623 /* USB-DMAC */
 624 static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = {
 625         {
 626                 .offset = 0,
 627         }, {
 628                 .offset = 0x20,
 629         },
 630 };
 631
 632 static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = {
 633         {
 634                 .slave_id       = SHDMA_SLAVE_USBHS_TX,
 635                 .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 636         }, {
 637                 .slave_id       = SHDMA_SLAVE_USBHS_RX,
 638                 .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 639         },
 640 };
 641
 642 static struct sh_dmae_pdata usb_dma_platform_data = {
 643         .slave          = r8a7740_usb_dma_slaves,
 644         .slave_num      = ARRAY_SIZE(r8a7740_usb_dma_slaves),
 645         .channel        = r8a7740_usb_dma_channels,
 646         .channel_num    = ARRAY_SIZE(r8a7740_usb_dma_channels),
 647         .ts_low_shift   = USBTS_LOW_SHIFT,
 648         .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
 649         .ts_high_shift  = USBTS_HI_SHIFT,
 650         .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
 651         .ts_shift       = dma_usbts_shift,
 652         .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
 653         .dmaor_init     = DMAOR_DME,
 654         .chcr_offset    = 0x14,
 655         .chcr_ie_bit    = 1 << 5,
 656         .dmaor_is_32bit = 1,
 657         .needs_tend_set = 1,
 658         .no_dmars       = 1,
 659         .slave_only     = 1,
 660 };
 661
 662 static struct resource r8a7740_usb_dma_resources[] = {
 663         {
 664                 /* Channel registers and DMAOR */
 665                 .start  = 0xe68a0020,
 666                 .end    = 0xe68a0064 - 1,
 667                 .flags  = IORESOURCE_MEM,
 668         },
 669         {
 670                 /* VCR/SWR/DMICR */
 671                 .start  = 0xe68a0000,
 672                 .end    = 0xe68a0014 - 1,
 673                 .flags  = IORESOURCE_MEM,
 674         },
 675         {
 676                 /* IRQ for channels */
 677                 .start  = gic_spi(49),
 678                 .end    = gic_spi(49),
 679                 .flags  = IORESOURCE_IRQ,
 680         },
 681 };
 682
 683 static struct platform_device usb_dma_device = {
 684         .name           = "sh-dma-engine",
 685         .id             = 3,
 686         .resource       = r8a7740_usb_dma_resources,
 687         .num_resources  = ARRAY_SIZE(r8a7740_usb_dma_resources),
 688         .dev            = {
 689                 .platform_data  = &usb_dma_platform_data,
 690         },
 691 };
 692
 693 /* I2C */
 694 static struct resource i2c0_resources[] = {
 695         [0] = {
 696                 .name   = "IIC0",
 697                 .start  = 0xfff20000,
 698                 .end    = 0xfff20425 - 1,
 699                 .flags  = IORESOURCE_MEM,
 700         },
 701         [1] = {
 702                 .start  = gic_spi(201),
 703                 .end    = gic_spi(204),
 704                 .flags  = IORESOURCE_IRQ,
 705         },
 706 };
 707
 708 static struct resource i2c1_resources[] = {
 709         [0] = {
 710                 .name   = "IIC1",
 711                 .start  = 0xe6c20000,
 712                 .end    = 0xe6c20425 - 1,
 713                 .flags  = IORESOURCE_MEM,
 714         },
 715         [1] = {
 716                 .start  = gic_spi(70), /* IIC1_ALI1 */
 717                 .end    = gic_spi(73), /* IIC1_DTEI1 */
 718                 .flags  = IORESOURCE_IRQ,
 719         },
 720 };
 721
 722 static struct platform_device i2c0_device = {
 723         .name           = "i2c-sh_mobile",
 724         .id             = 0,
 725         .resource       = i2c0_resources,
 726         .num_resources  = ARRAY_SIZE(i2c0_resources),
 727 };
 728
 729 static struct platform_device i2c1_device = {
 730         .name           = "i2c-sh_mobile",
 731         .id             = 1,
 732         .resource       = i2c1_resources,
 733         .num_resources  = ARRAY_SIZE(i2c1_resources),
 734 };
 735
 736 static struct resource pmu_resources[] = {
 737         [0] = {
 738                 .start  = gic_spi(83),
 739                 .end    = gic_spi(83),
 740                 .flags  = IORESOURCE_IRQ,
 741         },
 742 };
 743
 744 static struct platform_device pmu_device = {
 745         .name   = "arm-pmu",
 746         .id     = -1,
 747         .num_resources = ARRAY_SIZE(pmu_resources),
 748         .resource = pmu_resources,
 749 };
 750
 751 static struct platform_device *r8a7740_late_devices[] __initdata = {
 752         &i2c0_device,
 753         &i2c1_device,
 754         &dma0_device,
 755         &dma1_device,
 756         &dma2_device,
 757         &usb_dma_device,
 758         &pmu_device,
 759 };
 760
 761 /*
 762  * r8a7740 chip has lasting errata on MERAM buffer.
 763  * this is work-around for it.
 764  * see
 765  *      "Media RAM (MERAM)" on r8a7740 documentation
 766  */
 767 #define MEBUFCNTR       0xFE950098
 768 void r8a7740_meram_workaround(void)
 769 {
 770         void __iomem *reg;
 771
 772         reg = ioremap_nocache(MEBUFCNTR, 4);
 773         if (reg) {
 774                 iowrite32(0x01600164, reg);
 775                 iounmap(reg);
 776         }
 777 }
 778
 779 #define ICCR    0x0004
 780 #define ICSTART 0x0070
 781
 782 #define i2c_read(reg, offset)           ioread8(reg + offset)
 783 #define i2c_write(reg, offset, data)    iowrite8(data, reg + offset)
 784
 785 /*
 786  * r8a7740 chip has lasting errata on I2C I/O pad reset.
 787  * this is work-around for it.
 788  */
 789 static void r8a7740_i2c_workaround(struct platform_device *pdev)
 790 {
 791         struct resource *res;
 792         void __iomem *reg;
 793
 794         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 795         if (unlikely(!res)) {
 796                 pr_err("r8a7740 i2c workaround fail (cannot find resource)\n");
 797                 return;
 798         }
 799
 800         reg = ioremap(res->start, resource_size(res));
 801         if (unlikely(!reg)) {
 802                 pr_err("r8a7740 i2c workaround fail (cannot map IO)\n");
 803                 return;
 804         }
 805
 806         i2c_write(reg, ICCR, i2c_read(reg, ICCR) | 0x80);
 807         i2c_read(reg, ICCR); /* dummy read */
 808
 809         i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10);
 810         i2c_read(reg, ICSTART); /* dummy read */
 811
 812         udelay(10);
 813
 814         i2c_write(reg, ICCR, 0x01);
 815         i2c_write(reg, ICSTART, 0x00);
 816
 817         udelay(10);
 818
 819         i2c_write(reg, ICCR, 0x10);
 820         udelay(10);
 821         i2c_write(reg, ICCR, 0x00);
 822         udelay(10);
 823         i2c_write(reg, ICCR, 0x10);
 824         udelay(10);
 825
 826         iounmap(reg);
 827 }
 828
 829 void __init r8a7740_add_standard_devices(void)
 830 {
 831         /* I2C work-around */
 832         r8a7740_i2c_workaround(&i2c0_device);
 833         r8a7740_i2c_workaround(&i2c1_device);
 834
 835         r8a7740_init_pm_domains();
 836
 837         /* add devices */
 838         platform_add_devices(r8a7740_early_devices,
 839                             ARRAY_SIZE(r8a7740_early_devices));
 840         platform_add_devices(r8a7740_devices_dt,
 841                             ARRAY_SIZE(r8a7740_devices_dt));
 842         platform_add_devices(r8a7740_late_devices,
 843                              ARRAY_SIZE(r8a7740_late_devices));
 844
 845         /* add devices to PM domain  */
 846
 847         rmobile_add_device_to_domain("A3SP",    &scif0_device);
 848         rmobile_add_device_to_domain("A3SP",    &scif1_device);
 849         rmobile_add_device_to_domain("A3SP",    &scif2_device);
 850         rmobile_add_device_to_domain("A3SP",    &scif3_device);
 851         rmobile_add_device_to_domain("A3SP",    &scif4_device);
 852         rmobile_add_device_to_domain("A3SP",    &scif5_device);
 853         rmobile_add_device_to_domain("A3SP",    &scif6_device);
 854         rmobile_add_device_to_domain("A3SP",    &scif7_device);
 855         rmobile_add_device_to_domain("A3SP",    &scif8_device);
 856         rmobile_add_device_to_domain("A3SP",    &i2c1_device);
 857 }
 858
 859 void __init r8a7740_add_early_devices(void)
 860 {
 861         early_platform_add_devices(r8a7740_early_devices,
 862                                    ARRAY_SIZE(r8a7740_early_devices));
 863         early_platform_add_devices(r8a7740_devices_dt,
 864                                    ARRAY_SIZE(r8a7740_devices_dt));
 865
 866         /* setup early console here as well */
 867         shmobile_setup_console();
 868 }
 869
 870 #ifdef CONFIG_USE_OF
 871
 872 void __init r8a7740_add_early_devices_dt(void)
 873 {
 874         shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
 875
 876         early_platform_add_devices(r8a7740_early_devices,
 877                                    ARRAY_SIZE(r8a7740_early_devices));
 878
 879         /* setup early console here as well */
 880         shmobile_setup_console();
 881 }
 882
 883 void __init r8a7740_add_standard_devices_dt(void)
 884 {
 885         platform_add_devices(r8a7740_devices_dt,
 886                             ARRAY_SIZE(r8a7740_devices_dt));
 887         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 888 }
 889
 890 void __init r8a7740_init_irq_of(void)
 891 {
 892         void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10);
 893         void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10);
 894         void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4);
 895
 896         irqchip_init();
 897
 898         /* route signals to GIC */
 899         iowrite32(0x0, pfc_inta_ctrl);
 900
 901         /*
 902          * To mask the shared interrupt to SPI 149 we must ensure to set
 903          * PRIO *and* MASK. Else we run into IRQ floods when registering
 904          * the intc_irqpin devices
 905          */
 906         iowrite32(0x0, intc_prio_base + 0x0);
 907         iowrite32(0x0, intc_prio_base + 0x4);
 908         iowrite32(0x0, intc_prio_base + 0x8);
 909         iowrite32(0x0, intc_prio_base + 0xc);
 910         iowrite8(0xff, intc_msk_base + 0x0);
 911         iowrite8(0xff, intc_msk_base + 0x4);
 912         iowrite8(0xff, intc_msk_base + 0x8);
 913         iowrite8(0xff, intc_msk_base + 0xc);
 914
 915         iounmap(intc_prio_base);
 916         iounmap(intc_msk_base);
 917         iounmap(pfc_inta_ctrl);
 918 }
 919
 920 static void __init r8a7740_generic_init(void)
 921 {
 922         r8a7740_clock_init(0);
 923         r8a7740_add_standard_devices_dt();
 924 }
 925
 926 static const char *r8a7740_boards_compat_dt[] __initdata = {
 927         "renesas,r8a7740",
 928         NULL,
 929 };
 930
 931 DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
 932         .map_io         = r8a7740_map_io,
 933         .init_early     = shmobile_init_delay,
 934         .init_irq       = r8a7740_init_irq_of,
 935         .init_machine   = r8a7740_generic_init,
 936         .init_late      = shmobile_init_late,
 937         .dt_compat      = r8a7740_boards_compat_dt,
 938 MACHINE_END
 939
 940 #endif /* CONFIG_USE_OF */