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   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         .dev            = {
 148                 .coherent_dma_mask      = 0xffffffff,
 149         },
 150 };
 151
 152 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 153 {
 154         eth_data->shared = &kirkwood_ge00_shared;
 155         kirkwood_ge00.dev.platform_data = eth_data;
 156
 157         platform_device_register(&kirkwood_ge00_shared);
 158         platform_device_register(&kirkwood_ge00);
 159 }
 160
 161
 162 /*****************************************************************************
 163  * GE01
 164  ****************************************************************************/
 165 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
 166         .dram           = &kirkwood_mbus_dram_info,
 167         .shared_smi     = &kirkwood_ge00_shared,
 168 };
 169
 170 static struct resource kirkwood_ge01_shared_resources[] = {
 171         {
 172                 .name   = "ge01 base",
 173                 .start  = GE01_PHYS_BASE + 0x2000,
 174                 .end    = GE01_PHYS_BASE + 0x3fff,
 175                 .flags  = IORESOURCE_MEM,
 176         }, {
 177                 .name   = "ge01 err irq",
 178                 .start  = IRQ_KIRKWOOD_GE01_ERR,
 179                 .end    = IRQ_KIRKWOOD_GE01_ERR,
 180                 .flags  = IORESOURCE_IRQ,
 181         },
 182 };
 183
 184 static struct platform_device kirkwood_ge01_shared = {
 185         .name           = MV643XX_ETH_SHARED_NAME,
 186         .id             = 1,
 187         .dev            = {
 188                 .platform_data  = &kirkwood_ge01_shared_data,
 189         },
 190         .num_resources  = ARRAY_SIZE(kirkwood_ge01_shared_resources),
 191         .resource       = kirkwood_ge01_shared_resources,
 192 };
 193
 194 static struct resource kirkwood_ge01_resources[] = {
 195         {
 196                 .name   = "ge01 irq",
 197                 .start  = IRQ_KIRKWOOD_GE01_SUM,
 198                 .end    = IRQ_KIRKWOOD_GE01_SUM,
 199                 .flags  = IORESOURCE_IRQ,
 200         },
 201 };
 202
 203 static struct platform_device kirkwood_ge01 = {
 204         .name           = MV643XX_ETH_NAME,
 205         .id             = 1,
 206         .num_resources  = 1,
 207         .resource       = kirkwood_ge01_resources,
 208         .dev            = {
 209                 .coherent_dma_mask      = 0xffffffff,
 210         },
 211 };
 212
 213 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 214 {
 215         eth_data->shared = &kirkwood_ge01_shared;
 216         kirkwood_ge01.dev.platform_data = eth_data;
 217
 218         platform_device_register(&kirkwood_ge01_shared);
 219         platform_device_register(&kirkwood_ge01);
 220 }
 221
 222
 223 /*****************************************************************************
 224  * Ethernet switch
 225  ****************************************************************************/
 226 static struct resource kirkwood_switch_resources[] = {
 227         {
 228                 .start  = 0,
 229                 .end    = 0,
 230                 .flags  = IORESOURCE_IRQ,
 231         },
 232 };
 233
 234 static struct platform_device kirkwood_switch_device = {
 235         .name           = "dsa",
 236         .id             = 0,
 237         .num_resources  = 0,
 238         .resource       = kirkwood_switch_resources,
 239 };
 240
 241 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
 242 {
 243         int i;
 244
 245         if (irq != NO_IRQ) {
 246                 kirkwood_switch_resources[0].start = irq;
 247                 kirkwood_switch_resources[0].end = irq;
 248                 kirkwood_switch_device.num_resources = 1;
 249         }
 250
 251         d->netdev = &kirkwood_ge00.dev;
 252         for (i = 0; i < d->nr_chips; i++)
 253                 d->chip[i].mii_bus = &kirkwood_ge00_shared.dev;
 254         kirkwood_switch_device.dev.platform_data = d;
 255
 256         platform_device_register(&kirkwood_switch_device);
 257 }
 258
 259
 260 /*****************************************************************************
 261  * SoC RTC
 262  ****************************************************************************/
 263 static struct resource kirkwood_rtc_resource = {
 264         .start  = RTC_PHYS_BASE,
 265         .end    = RTC_PHYS_BASE + SZ_16 - 1,
 266         .flags  = IORESOURCE_MEM,
 267 };
 268
 269 static void __init kirkwood_rtc_init(void)
 270 {
 271         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
 272 }
 273
 274
 275 /*****************************************************************************
 276  * SATA
 277  ****************************************************************************/
 278 static struct resource kirkwood_sata_resources[] = {
 279         {
 280                 .name   = "sata base",
 281                 .start  = SATA_PHYS_BASE,
 282                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
 283                 .flags  = IORESOURCE_MEM,
 284         }, {
 285                 .name   = "sata irq",
 286                 .start  = IRQ_KIRKWOOD_SATA,
 287                 .end    = IRQ_KIRKWOOD_SATA,
 288                 .flags  = IORESOURCE_IRQ,
 289         },
 290 };
 291
 292 static struct platform_device kirkwood_sata = {
 293         .name           = "sata_mv",
 294         .id             = 0,
 295         .dev            = {
 296                 .coherent_dma_mask      = 0xffffffff,
 297         },
 298         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
 299         .resource       = kirkwood_sata_resources,
 300 };
 301
 302 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
 303 {
 304         sata_data->dram = &kirkwood_mbus_dram_info;
 305         kirkwood_sata.dev.platform_data = sata_data;
 306         platform_device_register(&kirkwood_sata);
 307 }
 308
 309
 310 /*****************************************************************************
 311  * SD/SDIO/MMC
 312  ****************************************************************************/
 313 static struct resource mvsdio_resources[] = {
 314         [0] = {
 315                 .start  = SDIO_PHYS_BASE,
 316                 .end    = SDIO_PHYS_BASE + SZ_1K - 1,
 317                 .flags  = IORESOURCE_MEM,
 318         },
 319         [1] = {
 320                 .start  = IRQ_KIRKWOOD_SDIO,
 321                 .end    = IRQ_KIRKWOOD_SDIO,
 322                 .flags  = IORESOURCE_IRQ,
 323         },
 324 };
 325
 326 static u64 mvsdio_dmamask = 0xffffffffUL;
 327
 328 static struct platform_device kirkwood_sdio = {
 329         .name           = "mvsdio",
 330         .id             = -1,
 331         .dev            = {
 332                 .dma_mask = &mvsdio_dmamask,
 333                 .coherent_dma_mask = 0xffffffff,
 334         },
 335         .num_resources  = ARRAY_SIZE(mvsdio_resources),
 336         .resource       = mvsdio_resources,
 337 };
 338
 339 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
 340 {
 341         u32 dev, rev;
 342
 343         kirkwood_pcie_id(&dev, &rev);
 344         if (rev == 0)  /* catch all Kirkwood Z0's */
 345                 mvsdio_data->clock = 100000000;
 346         else
 347                 mvsdio_data->clock = 200000000;
 348         mvsdio_data->dram = &kirkwood_mbus_dram_info;
 349         kirkwood_sdio.dev.platform_data = mvsdio_data;
 350         platform_device_register(&kirkwood_sdio);
 351 }
 352
 353
 354 /*****************************************************************************
 355  * SPI
 356  ****************************************************************************/
 357 static struct orion_spi_info kirkwood_spi_plat_data = {
 358 };
 359
 360 static struct resource kirkwood_spi_resources[] = {
 361         {
 362                 .start  = SPI_PHYS_BASE,
 363                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
 364                 .flags  = IORESOURCE_MEM,
 365         },
 366 };
 367
 368 static struct platform_device kirkwood_spi = {
 369         .name           = "orion_spi",
 370         .id             = 0,
 371         .resource       = kirkwood_spi_resources,
 372         .dev            = {
 373                 .platform_data  = &kirkwood_spi_plat_data,
 374         },
 375         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
 376 };
 377
 378 void __init kirkwood_spi_init()
 379 {
 380         platform_device_register(&kirkwood_spi);
 381 }
 382
 383
 384 /*****************************************************************************
 385  * I2C
 386  ****************************************************************************/
 387 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
 388         .freq_m         = 8, /* assumes 166 MHz TCLK */
 389         .freq_n         = 3,
 390         .timeout        = 1000, /* Default timeout of 1 second */
 391 };
 392
 393 static struct resource kirkwood_i2c_resources[] = {
 394         {
 395                 .start  = I2C_PHYS_BASE,
 396                 .end    = I2C_PHYS_BASE + 0x1f,
 397                 .flags  = IORESOURCE_MEM,
 398         }, {
 399                 .start  = IRQ_KIRKWOOD_TWSI,
 400                 .end    = IRQ_KIRKWOOD_TWSI,
 401                 .flags  = IORESOURCE_IRQ,
 402         },
 403 };
 404
 405 static struct platform_device kirkwood_i2c = {
 406         .name           = MV64XXX_I2C_CTLR_NAME,
 407         .id             = 0,
 408         .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
 409         .resource       = kirkwood_i2c_resources,
 410         .dev            = {
 411                 .platform_data  = &kirkwood_i2c_pdata,
 412         },
 413 };
 414
 415 void __init kirkwood_i2c_init(void)
 416 {
 417         platform_device_register(&kirkwood_i2c);
 418 }
 419
 420
 421 /*****************************************************************************
 422  * UART0
 423  ****************************************************************************/
 424 static struct plat_serial8250_port kirkwood_uart0_data[] = {
 425         {
 426                 .mapbase        = UART0_PHYS_BASE,
 427                 .membase        = (char *)UART0_VIRT_BASE,
 428                 .irq            = IRQ_KIRKWOOD_UART_0,
 429                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 430                 .iotype         = UPIO_MEM,
 431                 .regshift       = 2,
 432                 .uartclk        = 0,
 433         }, {
 434         },
 435 };
 436
 437 static struct resource kirkwood_uart0_resources[] = {
 438         {
 439                 .start          = UART0_PHYS_BASE,
 440                 .end            = UART0_PHYS_BASE + 0xff,
 441                 .flags          = IORESOURCE_MEM,
 442         }, {
 443                 .start          = IRQ_KIRKWOOD_UART_0,
 444                 .end            = IRQ_KIRKWOOD_UART_0,
 445                 .flags          = IORESOURCE_IRQ,
 446         },
 447 };
 448
 449 static struct platform_device kirkwood_uart0 = {
 450         .name                   = "serial8250",
 451         .id                     = 0,
 452         .dev                    = {
 453                 .platform_data  = kirkwood_uart0_data,
 454         },
 455         .resource               = kirkwood_uart0_resources,
 456         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
 457 };
 458
 459 void __init kirkwood_uart0_init(void)
 460 {
 461         platform_device_register(&kirkwood_uart0);
 462 }
 463
 464
 465 /*****************************************************************************
 466  * UART1
 467  ****************************************************************************/
 468 static struct plat_serial8250_port kirkwood_uart1_data[] = {
 469         {
 470                 .mapbase        = UART1_PHYS_BASE,
 471                 .membase        = (char *)UART1_VIRT_BASE,
 472                 .irq            = IRQ_KIRKWOOD_UART_1,
 473                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 474                 .iotype         = UPIO_MEM,
 475                 .regshift       = 2,
 476                 .uartclk        = 0,
 477         }, {
 478         },
 479 };
 480
 481 static struct resource kirkwood_uart1_resources[] = {
 482         {
 483                 .start          = UART1_PHYS_BASE,
 484                 .end            = UART1_PHYS_BASE + 0xff,
 485                 .flags          = IORESOURCE_MEM,
 486         }, {
 487                 .start          = IRQ_KIRKWOOD_UART_1,
 488                 .end            = IRQ_KIRKWOOD_UART_1,
 489                 .flags          = IORESOURCE_IRQ,
 490         },
 491 };
 492
 493 static struct platform_device kirkwood_uart1 = {
 494         .name                   = "serial8250",
 495         .id                     = 1,
 496         .dev                    = {
 497                 .platform_data  = kirkwood_uart1_data,
 498         },
 499         .resource               = kirkwood_uart1_resources,
 500         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
 501 };
 502
 503 void __init kirkwood_uart1_init(void)
 504 {
 505         platform_device_register(&kirkwood_uart1);
 506 }
 507
 508
 509 /*****************************************************************************
 510  * XOR
 511  ****************************************************************************/
 512 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
 513         .dram           = &kirkwood_mbus_dram_info,
 514 };
 515
 516 static u64 kirkwood_xor_dmamask = DMA_BIT_MASK(32);
 517
 518
 519 /*****************************************************************************
 520  * XOR0
 521  ****************************************************************************/
 522 static struct resource kirkwood_xor0_shared_resources[] = {
 523         {
 524                 .name   = "xor 0 low",
 525                 .start  = XOR0_PHYS_BASE,
 526                 .end    = XOR0_PHYS_BASE + 0xff,
 527                 .flags  = IORESOURCE_MEM,
 528         }, {
 529                 .name   = "xor 0 high",
 530                 .start  = XOR0_HIGH_PHYS_BASE,
 531                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
 532                 .flags  = IORESOURCE_MEM,
 533         },
 534 };
 535
 536 static struct platform_device kirkwood_xor0_shared = {
 537         .name           = MV_XOR_SHARED_NAME,
 538         .id             = 0,
 539         .dev            = {
 540                 .platform_data = &kirkwood_xor_shared_data,
 541         },
 542         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
 543         .resource       = kirkwood_xor0_shared_resources,
 544 };
 545
 546 static struct resource kirkwood_xor00_resources[] = {
 547         [0] = {
 548                 .start  = IRQ_KIRKWOOD_XOR_00,
 549                 .end    = IRQ_KIRKWOOD_XOR_00,
 550                 .flags  = IORESOURCE_IRQ,
 551         },
 552 };
 553
 554 static struct mv_xor_platform_data kirkwood_xor00_data = {
 555         .shared         = &kirkwood_xor0_shared,
 556         .hw_id          = 0,
 557         .pool_size      = PAGE_SIZE,
 558 };
 559
 560 static struct platform_device kirkwood_xor00_channel = {
 561         .name           = MV_XOR_NAME,
 562         .id             = 0,
 563         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
 564         .resource       = kirkwood_xor00_resources,
 565         .dev            = {
 566                 .dma_mask               = &kirkwood_xor_dmamask,
 567                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 568                 .platform_data          = (void *)&kirkwood_xor00_data,
 569         },
 570 };
 571
 572 static struct resource kirkwood_xor01_resources[] = {
 573         [0] = {
 574                 .start  = IRQ_KIRKWOOD_XOR_01,
 575                 .end    = IRQ_KIRKWOOD_XOR_01,
 576                 .flags  = IORESOURCE_IRQ,
 577         },
 578 };
 579
 580 static struct mv_xor_platform_data kirkwood_xor01_data = {
 581         .shared         = &kirkwood_xor0_shared,
 582         .hw_id          = 1,
 583         .pool_size      = PAGE_SIZE,
 584 };
 585
 586 static struct platform_device kirkwood_xor01_channel = {
 587         .name           = MV_XOR_NAME,
 588         .id             = 1,
 589         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
 590         .resource       = kirkwood_xor01_resources,
 591         .dev            = {
 592                 .dma_mask               = &kirkwood_xor_dmamask,
 593                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 594                 .platform_data          = (void *)&kirkwood_xor01_data,
 595         },
 596 };
 597
 598 static void __init kirkwood_xor0_init(void)
 599 {
 600         platform_device_register(&kirkwood_xor0_shared);
 601
 602         /*
 603          * two engines can't do memset simultaneously, this limitation
 604          * satisfied by removing memset support from one of the engines.
 605          */
 606         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
 607         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
 608         platform_device_register(&kirkwood_xor00_channel);
 609
 610         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
 611         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
 612         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
 613         platform_device_register(&kirkwood_xor01_channel);
 614 }
 615
 616
 617 /*****************************************************************************
 618  * XOR1
 619  ****************************************************************************/
 620 static struct resource kirkwood_xor1_shared_resources[] = {
 621         {
 622                 .name   = "xor 1 low",
 623                 .start  = XOR1_PHYS_BASE,
 624                 .end    = XOR1_PHYS_BASE + 0xff,
 625                 .flags  = IORESOURCE_MEM,
 626         }, {
 627                 .name   = "xor 1 high",
 628                 .start  = XOR1_HIGH_PHYS_BASE,
 629                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
 630                 .flags  = IORESOURCE_MEM,
 631         },
 632 };
 633
 634 static struct platform_device kirkwood_xor1_shared = {
 635         .name           = MV_XOR_SHARED_NAME,
 636         .id             = 1,
 637         .dev            = {
 638                 .platform_data = &kirkwood_xor_shared_data,
 639         },
 640         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
 641         .resource       = kirkwood_xor1_shared_resources,
 642 };
 643
 644 static struct resource kirkwood_xor10_resources[] = {
 645         [0] = {
 646                 .start  = IRQ_KIRKWOOD_XOR_10,
 647                 .end    = IRQ_KIRKWOOD_XOR_10,
 648                 .flags  = IORESOURCE_IRQ,
 649         },
 650 };
 651
 652 static struct mv_xor_platform_data kirkwood_xor10_data = {
 653         .shared         = &kirkwood_xor1_shared,
 654         .hw_id          = 0,
 655         .pool_size      = PAGE_SIZE,
 656 };
 657
 658 static struct platform_device kirkwood_xor10_channel = {
 659         .name           = MV_XOR_NAME,
 660         .id             = 2,
 661         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
 662         .resource       = kirkwood_xor10_resources,
 663         .dev            = {
 664                 .dma_mask               = &kirkwood_xor_dmamask,
 665                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 666                 .platform_data          = (void *)&kirkwood_xor10_data,
 667         },
 668 };
 669
 670 static struct resource kirkwood_xor11_resources[] = {
 671         [0] = {
 672                 .start  = IRQ_KIRKWOOD_XOR_11,
 673                 .end    = IRQ_KIRKWOOD_XOR_11,
 674                 .flags  = IORESOURCE_IRQ,
 675         },
 676 };
 677
 678 static struct mv_xor_platform_data kirkwood_xor11_data = {
 679         .shared         = &kirkwood_xor1_shared,
 680         .hw_id          = 1,
 681         .pool_size      = PAGE_SIZE,
 682 };
 683
 684 static struct platform_device kirkwood_xor11_channel = {
 685         .name           = MV_XOR_NAME,
 686         .id             = 3,
 687         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
 688         .resource       = kirkwood_xor11_resources,
 689         .dev            = {
 690                 .dma_mask               = &kirkwood_xor_dmamask,
 691                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 692                 .platform_data          = (void *)&kirkwood_xor11_data,
 693         },
 694 };
 695
 696 static void __init kirkwood_xor1_init(void)
 697 {
 698         platform_device_register(&kirkwood_xor1_shared);
 699
 700         /*
 701          * two engines can't do memset simultaneously, this limitation
 702          * satisfied by removing memset support from one of the engines.
 703          */
 704         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
 705         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
 706         platform_device_register(&kirkwood_xor10_channel);
 707
 708         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
 709         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
 710         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
 711         platform_device_register(&kirkwood_xor11_channel);
 712 }
 713
 714
 715 /*****************************************************************************
 716  * Time handling
 717  ****************************************************************************/
 718 int kirkwood_tclk;
 719
 720 int __init kirkwood_find_tclk(void)
 721 {
 722         u32 dev, rev;
 723
 724         kirkwood_pcie_id(&dev, &rev);
 725         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
 726                 return 200000000;
 727
 728         return 166666667;
 729 }
 730
 731 static void kirkwood_timer_init(void)
 732 {
 733         kirkwood_tclk = kirkwood_find_tclk();
 734         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 735 }
 736
 737 struct sys_timer kirkwood_timer = {
 738         .init = kirkwood_timer_init,
 739 };
 740
 741
 742 /*****************************************************************************
 743  * General
 744  ****************************************************************************/
 745 /*
 746  * Identify device ID and revision.
 747  */
 748 static char * __init kirkwood_id(void)
 749 {
 750         u32 dev, rev;
 751
 752         kirkwood_pcie_id(&dev, &rev);
 753
 754         if (dev == MV88F6281_DEV_ID) {
 755                 if (rev == MV88F6281_REV_Z0)
 756                         return "MV88F6281-Z0";
 757                 else if (rev == MV88F6281_REV_A0)
 758                         return "MV88F6281-A0";
 759                 else
 760                         return "MV88F6281-Rev-Unsupported";
 761         } else if (dev == MV88F6192_DEV_ID) {
 762                 if (rev == MV88F6192_REV_Z0)
 763                         return "MV88F6192-Z0";
 764                 else if (rev == MV88F6192_REV_A0)
 765                         return "MV88F6192-A0";
 766                 else
 767                         return "MV88F6192-Rev-Unsupported";
 768         } else if (dev == MV88F6180_DEV_ID) {
 769                 if (rev == MV88F6180_REV_A0)
 770                         return "MV88F6180-Rev-A0";
 771                 else
 772                         return "MV88F6180-Rev-Unsupported";
 773         } else {
 774                 return "Device-Unknown";
 775         }
 776 }
 777
 778 static void __init kirkwood_l2_init(void)
 779 {
 780 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
 781         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
 782         feroceon_l2_init(1);
 783 #else
 784         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
 785         feroceon_l2_init(0);
 786 #endif
 787 }
 788
 789 void __init kirkwood_init(void)
 790 {
 791         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
 792                 kirkwood_id(), kirkwood_tclk);
 793         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
 794         kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
 795         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
 796         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
 797         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 798
 799         kirkwood_setup_cpu_mbus();
 800
 801 #ifdef CONFIG_CACHE_FEROCEON_L2
 802         kirkwood_l2_init();
 803 #endif
 804
 805         /* internal devices that every board has */
 806         kirkwood_rtc_init();
 807         kirkwood_xor0_init();
 808         kirkwood_xor1_init();
 809 }