arch/arm/mach-kirkwood/common.c

   1 /*
   2  * arch/arm/mach-kirkwood/common.c
   3  *
   4  * Core functions for Marvell Kirkwood SoCs
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/serial_8250.h>
  15 #include <linux/mbus.h>
  16 #include <linux/mv643xx_eth.h>
  17 #include <linux/mv643xx_i2c.h>
  18 #include <linux/ata_platform.h>
  19 #include <linux/spi/orion_spi.h>
  20 #include <net/dsa.h>
  21 #include <asm/page.h>
  22 #include <asm/timex.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/time.h>
  25 #include <mach/kirkwood.h>
  26 #include <mach/bridge-regs.h>
  27 #include <plat/cache-feroceon-l2.h>
  28 #include <plat/ehci-orion.h>
  29 #include <plat/mvsdio.h>
  30 #include <plat/mv_xor.h>
  31 #include <plat/orion_nand.h>
  32 #include <plat/time.h>
  33 #include "common.h"
  34
  35 /*****************************************************************************
  36  * I/O Address Mapping
  37  ****************************************************************************/
  38 static struct map_desc kirkwood_io_desc[] __initdata = {
  39         {
  40                 .virtual        = KIRKWOOD_PCIE_IO_VIRT_BASE,
  41                 .pfn            = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
  42                 .length         = KIRKWOOD_PCIE_IO_SIZE,
  43                 .type           = MT_DEVICE,
  44         }, {
  45                 .virtual        = KIRKWOOD_REGS_VIRT_BASE,
  46                 .pfn            = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
  47                 .length         = KIRKWOOD_REGS_SIZE,
  48                 .type           = MT_DEVICE,
  49         },
  50 };
  51
  52 void __init kirkwood_map_io(void)
  53 {
  54         iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
  55 }
  56
  57
  58 /*****************************************************************************
  59  * EHCI
  60  ****************************************************************************/
  61 static struct orion_ehci_data kirkwood_ehci_data = {
  62         .dram           = &kirkwood_mbus_dram_info,
  63         .phy_version    = EHCI_PHY_NA,
  64 };
  65
  66 static u64 ehci_dmamask = 0xffffffffUL;
  67
  68
  69 /*****************************************************************************
  70  * EHCI0
  71  ****************************************************************************/
  72 static struct resource kirkwood_ehci_resources[] = {
  73         {
  74                 .start  = USB_PHYS_BASE,
  75                 .end    = USB_PHYS_BASE + 0x0fff,
  76                 .flags  = IORESOURCE_MEM,
  77         }, {
  78                 .start  = IRQ_KIRKWOOD_USB,
  79                 .end    = IRQ_KIRKWOOD_USB,
  80                 .flags  = IORESOURCE_IRQ,
  81         },
  82 };
  83
  84 static struct platform_device kirkwood_ehci = {
  85         .name           = "orion-ehci",
  86         .id             = 0,
  87         .dev            = {
  88                 .dma_mask               = &ehci_dmamask,
  89                 .coherent_dma_mask      = 0xffffffff,
  90                 .platform_data          = &kirkwood_ehci_data,
  91         },
  92         .resource       = kirkwood_ehci_resources,
  93         .num_resources  = ARRAY_SIZE(kirkwood_ehci_resources),
  94 };
  95
  96 void __init kirkwood_ehci_init(void)
  97 {
  98         platform_device_register(&kirkwood_ehci);
  99 }
 100
 101
 102 /*****************************************************************************
 103  * GE00
 104  ****************************************************************************/
 105 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
 106         .dram           = &kirkwood_mbus_dram_info,
 107 };
 108
 109 static struct resource kirkwood_ge00_shared_resources[] = {
 110         {
 111                 .name   = "ge00 base",
 112                 .start  = GE00_PHYS_BASE + 0x2000,
 113                 .end    = GE00_PHYS_BASE + 0x3fff,
 114                 .flags  = IORESOURCE_MEM,
 115         }, {
 116                 .name   = "ge00 err irq",
 117                 .start  = IRQ_KIRKWOOD_GE00_ERR,
 118                 .end    = IRQ_KIRKWOOD_GE00_ERR,
 119                 .flags  = IORESOURCE_IRQ,
 120         },
 121 };
 122
 123 static struct platform_device kirkwood_ge00_shared = {
 124         .name           = MV643XX_ETH_SHARED_NAME,
 125         .id             = 0,
 126         .dev            = {
 127                 .platform_data  = &kirkwood_ge00_shared_data,
 128         },
 129         .num_resources  = ARRAY_SIZE(kirkwood_ge00_shared_resources),
 130         .resource       = kirkwood_ge00_shared_resources,
 131 };
 132
 133 static struct resource kirkwood_ge00_resources[] = {
 134         {
 135                 .name   = "ge00 irq",
 136                 .start  = IRQ_KIRKWOOD_GE00_SUM,
 137                 .end    = IRQ_KIRKWOOD_GE00_SUM,
 138                 .flags  = IORESOURCE_IRQ,
 139         },
 140 };
 141
 142 static struct platform_device kirkwood_ge00 = {
 143         .name           = MV643XX_ETH_NAME,
 144         .id             = 0,
 145         .num_resources  = 1,
 146         .resource       = kirkwood_ge00_resources,
 147 };
 148
 149 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 150 {
 151         eth_data->shared = &kirkwood_ge00_shared;
 152         kirkwood_ge00.dev.platform_data = eth_data;
 153
 154         platform_device_register(&kirkwood_ge00_shared);
 155         platform_device_register(&kirkwood_ge00);
 156 }
 157
 158
 159 /*****************************************************************************
 160  * GE01
 161  ****************************************************************************/
 162 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
 163         .dram           = &kirkwood_mbus_dram_info,
 164         .shared_smi     = &kirkwood_ge00_shared,
 165 };
 166
 167 static struct resource kirkwood_ge01_shared_resources[] = {
 168         {
 169                 .name   = "ge01 base",
 170                 .start  = GE01_PHYS_BASE + 0x2000,
 171                 .end    = GE01_PHYS_BASE + 0x3fff,
 172                 .flags  = IORESOURCE_MEM,
 173         }, {
 174                 .name   = "ge01 err irq",
 175                 .start  = IRQ_KIRKWOOD_GE01_ERR,
 176                 .end    = IRQ_KIRKWOOD_GE01_ERR,
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct platform_device kirkwood_ge01_shared = {
 182         .name           = MV643XX_ETH_SHARED_NAME,
 183         .id             = 1,
 184         .dev            = {
 185                 .platform_data  = &kirkwood_ge01_shared_data,
 186         },
 187         .num_resources  = ARRAY_SIZE(kirkwood_ge01_shared_resources),
 188         .resource       = kirkwood_ge01_shared_resources,
 189 };
 190
 191 static struct resource kirkwood_ge01_resources[] = {
 192         {
 193                 .name   = "ge01 irq",
 194                 .start  = IRQ_KIRKWOOD_GE01_SUM,
 195                 .end    = IRQ_KIRKWOOD_GE01_SUM,
 196                 .flags  = IORESOURCE_IRQ,
 197         },
 198 };
 199
 200 static struct platform_device kirkwood_ge01 = {
 201         .name           = MV643XX_ETH_NAME,
 202         .id             = 1,
 203         .num_resources  = 1,
 204         .resource       = kirkwood_ge01_resources,
 205 };
 206
 207 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 208 {
 209         eth_data->shared = &kirkwood_ge01_shared;
 210         kirkwood_ge01.dev.platform_data = eth_data;
 211
 212         platform_device_register(&kirkwood_ge01_shared);
 213         platform_device_register(&kirkwood_ge01);
 214 }
 215
 216
 217 /*****************************************************************************
 218  * Ethernet switch
 219  ****************************************************************************/
 220 static struct resource kirkwood_switch_resources[] = {
 221         {
 222                 .start  = 0,
 223                 .end    = 0,
 224                 .flags  = IORESOURCE_IRQ,
 225         },
 226 };
 227
 228 static struct platform_device kirkwood_switch_device = {
 229         .name           = "dsa",
 230         .id             = 0,
 231         .num_resources  = 0,
 232         .resource       = kirkwood_switch_resources,
 233 };
 234
 235 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
 236 {
 237         int i;
 238
 239         if (irq != NO_IRQ) {
 240                 kirkwood_switch_resources[0].start = irq;
 241                 kirkwood_switch_resources[0].end = irq;
 242                 kirkwood_switch_device.num_resources = 1;
 243         }
 244
 245         d->netdev = &kirkwood_ge00.dev;
 246         for (i = 0; i < d->nr_chips; i++)
 247                 d->chip[i].mii_bus = &kirkwood_ge00_shared.dev;
 248         kirkwood_switch_device.dev.platform_data = d;
 249
 250         platform_device_register(&kirkwood_switch_device);
 251 }
 252
 253
 254 /*****************************************************************************
 255  * SoC RTC
 256  ****************************************************************************/
 257 static struct resource kirkwood_rtc_resource = {
 258         .start  = RTC_PHYS_BASE,
 259         .end    = RTC_PHYS_BASE + SZ_16 - 1,
 260         .flags  = IORESOURCE_MEM,
 261 };
 262
 263 static void __init kirkwood_rtc_init(void)
 264 {
 265         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
 266 }
 267
 268
 269 /*****************************************************************************
 270  * SATA
 271  ****************************************************************************/
 272 static struct resource kirkwood_sata_resources[] = {
 273         {
 274                 .name   = "sata base",
 275                 .start  = SATA_PHYS_BASE,
 276                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
 277                 .flags  = IORESOURCE_MEM,
 278         }, {
 279                 .name   = "sata irq",
 280                 .start  = IRQ_KIRKWOOD_SATA,
 281                 .end    = IRQ_KIRKWOOD_SATA,
 282                 .flags  = IORESOURCE_IRQ,
 283         },
 284 };
 285
 286 static struct platform_device kirkwood_sata = {
 287         .name           = "sata_mv",
 288         .id             = 0,
 289         .dev            = {
 290                 .coherent_dma_mask      = 0xffffffff,
 291         },
 292         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
 293         .resource       = kirkwood_sata_resources,
 294 };
 295
 296 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
 297 {
 298         sata_data->dram = &kirkwood_mbus_dram_info;
 299         kirkwood_sata.dev.platform_data = sata_data;
 300         platform_device_register(&kirkwood_sata);
 301 }
 302
 303
 304 /*****************************************************************************
 305  * SD/SDIO/MMC
 306  ****************************************************************************/
 307 static struct resource mvsdio_resources[] = {
 308         [0] = {
 309                 .start  = SDIO_PHYS_BASE,
 310                 .end    = SDIO_PHYS_BASE + SZ_1K - 1,
 311                 .flags  = IORESOURCE_MEM,
 312         },
 313         [1] = {
 314                 .start  = IRQ_KIRKWOOD_SDIO,
 315                 .end    = IRQ_KIRKWOOD_SDIO,
 316                 .flags  = IORESOURCE_IRQ,
 317         },
 318 };
 319
 320 static u64 mvsdio_dmamask = 0xffffffffUL;
 321
 322 static struct platform_device kirkwood_sdio = {
 323         .name           = "mvsdio",
 324         .id             = -1,
 325         .dev            = {
 326                 .dma_mask = &mvsdio_dmamask,
 327                 .coherent_dma_mask = 0xffffffff,
 328         },
 329         .num_resources  = ARRAY_SIZE(mvsdio_resources),
 330         .resource       = mvsdio_resources,
 331 };
 332
 333 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
 334 {
 335         u32 dev, rev;
 336
 337         kirkwood_pcie_id(&dev, &rev);
 338         if (rev == 0)  /* catch all Kirkwood Z0's */
 339                 mvsdio_data->clock = 100000000;
 340         else
 341                 mvsdio_data->clock = 200000000;
 342         mvsdio_data->dram = &kirkwood_mbus_dram_info;
 343         kirkwood_sdio.dev.platform_data = mvsdio_data;
 344         platform_device_register(&kirkwood_sdio);
 345 }
 346
 347
 348 /*****************************************************************************
 349  * SPI
 350  ****************************************************************************/
 351 static struct orion_spi_info kirkwood_spi_plat_data = {
 352 };
 353
 354 static struct resource kirkwood_spi_resources[] = {
 355         {
 356                 .start  = SPI_PHYS_BASE,
 357                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
 358                 .flags  = IORESOURCE_MEM,
 359         },
 360 };
 361
 362 static struct platform_device kirkwood_spi = {
 363         .name           = "orion_spi",
 364         .id             = 0,
 365         .resource       = kirkwood_spi_resources,
 366         .dev            = {
 367                 .platform_data  = &kirkwood_spi_plat_data,
 368         },
 369         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
 370 };
 371
 372 void __init kirkwood_spi_init()
 373 {
 374         platform_device_register(&kirkwood_spi);
 375 }
 376
 377
 378 /*****************************************************************************
 379  * I2C
 380  ****************************************************************************/
 381 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
 382         .freq_m         = 8, /* assumes 166 MHz TCLK */
 383         .freq_n         = 3,
 384         .timeout        = 1000, /* Default timeout of 1 second */
 385 };
 386
 387 static struct resource kirkwood_i2c_resources[] = {
 388         {
 389                 .name   = "i2c",
 390                 .start  = I2C_PHYS_BASE,
 391                 .end    = I2C_PHYS_BASE + 0x1f,
 392                 .flags  = IORESOURCE_MEM,
 393         }, {
 394                 .name   = "i2c",
 395                 .start  = IRQ_KIRKWOOD_TWSI,
 396                 .end    = IRQ_KIRKWOOD_TWSI,
 397                 .flags  = IORESOURCE_IRQ,
 398         },
 399 };
 400
 401 static struct platform_device kirkwood_i2c = {
 402         .name           = MV64XXX_I2C_CTLR_NAME,
 403         .id             = 0,
 404         .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
 405         .resource       = kirkwood_i2c_resources,
 406         .dev            = {
 407                 .platform_data  = &kirkwood_i2c_pdata,
 408         },
 409 };
 410
 411 void __init kirkwood_i2c_init(void)
 412 {
 413         platform_device_register(&kirkwood_i2c);
 414 }
 415
 416
 417 /*****************************************************************************
 418  * UART0
 419  ****************************************************************************/
 420 static struct plat_serial8250_port kirkwood_uart0_data[] = {
 421         {
 422                 .mapbase        = UART0_PHYS_BASE,
 423                 .membase        = (char *)UART0_VIRT_BASE,
 424                 .irq            = IRQ_KIRKWOOD_UART_0,
 425                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 426                 .iotype         = UPIO_MEM,
 427                 .regshift       = 2,
 428                 .uartclk        = 0,
 429         }, {
 430         },
 431 };
 432
 433 static struct resource kirkwood_uart0_resources[] = {
 434         {
 435                 .start          = UART0_PHYS_BASE,
 436                 .end            = UART0_PHYS_BASE + 0xff,
 437                 .flags          = IORESOURCE_MEM,
 438         }, {
 439                 .start          = IRQ_KIRKWOOD_UART_0,
 440                 .end            = IRQ_KIRKWOOD_UART_0,
 441                 .flags          = IORESOURCE_IRQ,
 442         },
 443 };
 444
 445 static struct platform_device kirkwood_uart0 = {
 446         .name                   = "serial8250",
 447         .id                     = 0,
 448         .dev                    = {
 449                 .platform_data  = kirkwood_uart0_data,
 450         },
 451         .resource               = kirkwood_uart0_resources,
 452         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
 453 };
 454
 455 void __init kirkwood_uart0_init(void)
 456 {
 457         platform_device_register(&kirkwood_uart0);
 458 }
 459
 460
 461 /*****************************************************************************
 462  * UART1
 463  ****************************************************************************/
 464 static struct plat_serial8250_port kirkwood_uart1_data[] = {
 465         {
 466                 .mapbase        = UART1_PHYS_BASE,
 467                 .membase        = (char *)UART1_VIRT_BASE,
 468                 .irq            = IRQ_KIRKWOOD_UART_1,
 469                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 470                 .iotype         = UPIO_MEM,
 471                 .regshift       = 2,
 472                 .uartclk        = 0,
 473         }, {
 474         },
 475 };
 476
 477 static struct resource kirkwood_uart1_resources[] = {
 478         {
 479                 .start          = UART1_PHYS_BASE,
 480                 .end            = UART1_PHYS_BASE + 0xff,
 481                 .flags          = IORESOURCE_MEM,
 482         }, {
 483                 .start          = IRQ_KIRKWOOD_UART_1,
 484                 .end            = IRQ_KIRKWOOD_UART_1,
 485                 .flags          = IORESOURCE_IRQ,
 486         },
 487 };
 488
 489 static struct platform_device kirkwood_uart1 = {
 490         .name                   = "serial8250",
 491         .id                     = 1,
 492         .dev                    = {
 493                 .platform_data  = kirkwood_uart1_data,
 494         },
 495         .resource               = kirkwood_uart1_resources,
 496         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
 497 };
 498
 499 void __init kirkwood_uart1_init(void)
 500 {
 501         platform_device_register(&kirkwood_uart1);
 502 }
 503
 504
 505 /*****************************************************************************
 506  * XOR
 507  ****************************************************************************/
 508 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
 509         .dram           = &kirkwood_mbus_dram_info,
 510 };
 511
 512 static u64 kirkwood_xor_dmamask = DMA_BIT_MASK(32);
 513
 514
 515 /*****************************************************************************
 516  * XOR0
 517  ****************************************************************************/
 518 static struct resource kirkwood_xor0_shared_resources[] = {
 519         {
 520                 .name   = "xor 0 low",
 521                 .start  = XOR0_PHYS_BASE,
 522                 .end    = XOR0_PHYS_BASE + 0xff,
 523                 .flags  = IORESOURCE_MEM,
 524         }, {
 525                 .name   = "xor 0 high",
 526                 .start  = XOR0_HIGH_PHYS_BASE,
 527                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
 528                 .flags  = IORESOURCE_MEM,
 529         },
 530 };
 531
 532 static struct platform_device kirkwood_xor0_shared = {
 533         .name           = MV_XOR_SHARED_NAME,
 534         .id             = 0,
 535         .dev            = {
 536                 .platform_data = &kirkwood_xor_shared_data,
 537         },
 538         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
 539         .resource       = kirkwood_xor0_shared_resources,
 540 };
 541
 542 static struct resource kirkwood_xor00_resources[] = {
 543         [0] = {
 544                 .start  = IRQ_KIRKWOOD_XOR_00,
 545                 .end    = IRQ_KIRKWOOD_XOR_00,
 546                 .flags  = IORESOURCE_IRQ,
 547         },
 548 };
 549
 550 static struct mv_xor_platform_data kirkwood_xor00_data = {
 551         .shared         = &kirkwood_xor0_shared,
 552         .hw_id          = 0,
 553         .pool_size      = PAGE_SIZE,
 554 };
 555
 556 static struct platform_device kirkwood_xor00_channel = {
 557         .name           = MV_XOR_NAME,
 558         .id             = 0,
 559         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
 560         .resource       = kirkwood_xor00_resources,
 561         .dev            = {
 562                 .dma_mask               = &kirkwood_xor_dmamask,
 563                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 564                 .platform_data          = (void *)&kirkwood_xor00_data,
 565         },
 566 };
 567
 568 static struct resource kirkwood_xor01_resources[] = {
 569         [0] = {
 570                 .start  = IRQ_KIRKWOOD_XOR_01,
 571                 .end    = IRQ_KIRKWOOD_XOR_01,
 572                 .flags  = IORESOURCE_IRQ,
 573         },
 574 };
 575
 576 static struct mv_xor_platform_data kirkwood_xor01_data = {
 577         .shared         = &kirkwood_xor0_shared,
 578         .hw_id          = 1,
 579         .pool_size      = PAGE_SIZE,
 580 };
 581
 582 static struct platform_device kirkwood_xor01_channel = {
 583         .name           = MV_XOR_NAME,
 584         .id             = 1,
 585         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
 586         .resource       = kirkwood_xor01_resources,
 587         .dev            = {
 588                 .dma_mask               = &kirkwood_xor_dmamask,
 589                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 590                 .platform_data          = (void *)&kirkwood_xor01_data,
 591         },
 592 };
 593
 594 static void __init kirkwood_xor0_init(void)
 595 {
 596         platform_device_register(&kirkwood_xor0_shared);
 597
 598         /*
 599          * two engines can't do memset simultaneously, this limitation
 600          * satisfied by removing memset support from one of the engines.
 601          */
 602         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
 603         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
 604         platform_device_register(&kirkwood_xor00_channel);
 605
 606         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
 607         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
 608         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
 609         platform_device_register(&kirkwood_xor01_channel);
 610 }
 611
 612
 613 /*****************************************************************************
 614  * XOR1
 615  ****************************************************************************/
 616 static struct resource kirkwood_xor1_shared_resources[] = {
 617         {
 618                 .name   = "xor 1 low",
 619                 .start  = XOR1_PHYS_BASE,
 620                 .end    = XOR1_PHYS_BASE + 0xff,
 621                 .flags  = IORESOURCE_MEM,
 622         }, {
 623                 .name   = "xor 1 high",
 624                 .start  = XOR1_HIGH_PHYS_BASE,
 625                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
 626                 .flags  = IORESOURCE_MEM,
 627         },
 628 };
 629
 630 static struct platform_device kirkwood_xor1_shared = {
 631         .name           = MV_XOR_SHARED_NAME,
 632         .id             = 1,
 633         .dev            = {
 634                 .platform_data = &kirkwood_xor_shared_data,
 635         },
 636         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
 637         .resource       = kirkwood_xor1_shared_resources,
 638 };
 639
 640 static struct resource kirkwood_xor10_resources[] = {
 641         [0] = {
 642                 .start  = IRQ_KIRKWOOD_XOR_10,
 643                 .end    = IRQ_KIRKWOOD_XOR_10,
 644                 .flags  = IORESOURCE_IRQ,
 645         },
 646 };
 647
 648 static struct mv_xor_platform_data kirkwood_xor10_data = {
 649         .shared         = &kirkwood_xor1_shared,
 650         .hw_id          = 0,
 651         .pool_size      = PAGE_SIZE,
 652 };
 653
 654 static struct platform_device kirkwood_xor10_channel = {
 655         .name           = MV_XOR_NAME,
 656         .id             = 2,
 657         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
 658         .resource       = kirkwood_xor10_resources,
 659         .dev            = {
 660                 .dma_mask               = &kirkwood_xor_dmamask,
 661                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 662                 .platform_data          = (void *)&kirkwood_xor10_data,
 663         },
 664 };
 665
 666 static struct resource kirkwood_xor11_resources[] = {
 667         [0] = {
 668                 .start  = IRQ_KIRKWOOD_XOR_11,
 669                 .end    = IRQ_KIRKWOOD_XOR_11,
 670                 .flags  = IORESOURCE_IRQ,
 671         },
 672 };
 673
 674 static struct mv_xor_platform_data kirkwood_xor11_data = {
 675         .shared         = &kirkwood_xor1_shared,
 676         .hw_id          = 1,
 677         .pool_size      = PAGE_SIZE,
 678 };
 679
 680 static struct platform_device kirkwood_xor11_channel = {
 681         .name           = MV_XOR_NAME,
 682         .id             = 3,
 683         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
 684         .resource       = kirkwood_xor11_resources,
 685         .dev            = {
 686                 .dma_mask               = &kirkwood_xor_dmamask,
 687                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 688                 .platform_data          = (void *)&kirkwood_xor11_data,
 689         },
 690 };
 691
 692 static void __init kirkwood_xor1_init(void)
 693 {
 694         platform_device_register(&kirkwood_xor1_shared);
 695
 696         /*
 697          * two engines can't do memset simultaneously, this limitation
 698          * satisfied by removing memset support from one of the engines.
 699          */
 700         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
 701         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
 702         platform_device_register(&kirkwood_xor10_channel);
 703
 704         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
 705         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
 706         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
 707         platform_device_register(&kirkwood_xor11_channel);
 708 }
 709
 710
 711 /*****************************************************************************
 712  * Time handling
 713  ****************************************************************************/
 714 int kirkwood_tclk;
 715
 716 int __init kirkwood_find_tclk(void)
 717 {
 718         u32 dev, rev;
 719
 720         kirkwood_pcie_id(&dev, &rev);
 721         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
 722                 return 200000000;
 723
 724         return 166666667;
 725 }
 726
 727 static void kirkwood_timer_init(void)
 728 {
 729         kirkwood_tclk = kirkwood_find_tclk();
 730         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 731 }
 732
 733 struct sys_timer kirkwood_timer = {
 734         .init = kirkwood_timer_init,
 735 };
 736
 737
 738 /*****************************************************************************
 739  * General
 740  ****************************************************************************/
 741 /*
 742  * Identify device ID and revision.
 743  */
 744 static char * __init kirkwood_id(void)
 745 {
 746         u32 dev, rev;
 747
 748         kirkwood_pcie_id(&dev, &rev);
 749
 750         if (dev == MV88F6281_DEV_ID) {
 751                 if (rev == MV88F6281_REV_Z0)
 752                         return "MV88F6281-Z0";
 753                 else if (rev == MV88F6281_REV_A0)
 754                         return "MV88F6281-A0";
 755                 else
 756                         return "MV88F6281-Rev-Unsupported";
 757         } else if (dev == MV88F6192_DEV_ID) {
 758                 if (rev == MV88F6192_REV_Z0)
 759                         return "MV88F6192-Z0";
 760                 else if (rev == MV88F6192_REV_A0)
 761                         return "MV88F6192-A0";
 762                 else
 763                         return "MV88F6192-Rev-Unsupported";
 764         } else if (dev == MV88F6180_DEV_ID) {
 765                 if (rev == MV88F6180_REV_A0)
 766                         return "MV88F6180-Rev-A0";
 767                 else
 768                         return "MV88F6180-Rev-Unsupported";
 769         } else {
 770                 return "Device-Unknown";
 771         }
 772 }
 773
 774 static void __init kirkwood_l2_init(void)
 775 {
 776 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
 777         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
 778         feroceon_l2_init(1);
 779 #else
 780         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
 781         feroceon_l2_init(0);
 782 #endif
 783 }
 784
 785 void __init kirkwood_init(void)
 786 {
 787         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
 788                 kirkwood_id(), kirkwood_tclk);
 789         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
 790         kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
 791         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
 792         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
 793         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 794
 795         kirkwood_setup_cpu_mbus();
 796
 797 #ifdef CONFIG_CACHE_FEROCEON_L2
 798         kirkwood_l2_init();
 799 #endif
 800
 801         /* internal devices that every board has */
 802         kirkwood_rtc_init();
 803         kirkwood_xor0_init();
 804         kirkwood_xor1_init();
 805 }