arch/arm/mach-dove/common.c

   1 /*
   2  * arch/arm/mach-dove/common.c
   3  *
   4  * Core functions for Marvell Dove 88AP510 System On Chip
   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/delay.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/pci.h>
  16 #include <linux/serial_8250.h>
  17 #include <linux/clk.h>
  18 #include <linux/mbus.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/mv643xx_i2c.h>
  21 #include <linux/ata_platform.h>
  22 #include <linux/spi/orion_spi.h>
  23 #include <linux/gpio.h>
  24 #include <asm/page.h>
  25 #include <asm/setup.h>
  26 #include <asm/timex.h>
  27 #include <asm/hardware/cache-tauros2.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/time.h>
  30 #include <asm/mach/pci.h>
  31 #include <mach/dove.h>
  32 #include <mach/bridge-regs.h>
  33 #include <asm/mach/arch.h>
  34 #include <linux/irq.h>
  35 #include <plat/mv_xor.h>
  36 #include <plat/ehci-orion.h>
  37 #include <plat/time.h>
  38 #include "common.h"
  39
  40 /*****************************************************************************
  41  * I/O Address Mapping
  42  ****************************************************************************/
  43 static struct map_desc dove_io_desc[] __initdata = {
  44         {
  45                 .virtual        = DOVE_SB_REGS_VIRT_BASE,
  46                 .pfn            = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
  47                 .length         = DOVE_SB_REGS_SIZE,
  48                 .type           = MT_DEVICE,
  49         }, {
  50                 .virtual        = DOVE_NB_REGS_VIRT_BASE,
  51                 .pfn            = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
  52                 .length         = DOVE_NB_REGS_SIZE,
  53                 .type           = MT_DEVICE,
  54         }, {
  55                 .virtual        = DOVE_PCIE0_IO_VIRT_BASE,
  56                 .pfn            = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
  57                 .length         = DOVE_PCIE0_IO_SIZE,
  58                 .type           = MT_DEVICE,
  59         }, {
  60                 .virtual        = DOVE_PCIE1_IO_VIRT_BASE,
  61                 .pfn            = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
  62                 .length         = DOVE_PCIE1_IO_SIZE,
  63                 .type           = MT_DEVICE,
  64         },
  65 };
  66
  67 void __init dove_map_io(void)
  68 {
  69         iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
  70 }
  71
  72 /*****************************************************************************
  73  * EHCI
  74  ****************************************************************************/
  75 static struct orion_ehci_data dove_ehci_data = {
  76         .dram           = &dove_mbus_dram_info,
  77         .phy_version    = EHCI_PHY_NA,
  78 };
  79
  80 static u64 ehci_dmamask = DMA_BIT_MASK(32);
  81
  82 /*****************************************************************************
  83  * EHCI0
  84  ****************************************************************************/
  85 static struct resource dove_ehci0_resources[] = {
  86         {
  87                 .start  = DOVE_USB0_PHYS_BASE,
  88                 .end    = DOVE_USB0_PHYS_BASE + SZ_4K - 1,
  89                 .flags  = IORESOURCE_MEM,
  90         }, {
  91                 .start  = IRQ_DOVE_USB0,
  92                 .end    = IRQ_DOVE_USB0,
  93                 .flags  = IORESOURCE_IRQ,
  94         },
  95 };
  96
  97 static struct platform_device dove_ehci0 = {
  98         .name           = "orion-ehci",
  99         .id             = 0,
 100         .dev            = {
 101                 .dma_mask               = &ehci_dmamask,
 102                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 103                 .platform_data          = &dove_ehci_data,
 104         },
 105         .resource       = dove_ehci0_resources,
 106         .num_resources  = ARRAY_SIZE(dove_ehci0_resources),
 107 };
 108
 109 void __init dove_ehci0_init(void)
 110 {
 111         platform_device_register(&dove_ehci0);
 112 }
 113
 114 /*****************************************************************************
 115  * EHCI1
 116  ****************************************************************************/
 117 static struct resource dove_ehci1_resources[] = {
 118         {
 119                 .start  = DOVE_USB1_PHYS_BASE,
 120                 .end    = DOVE_USB1_PHYS_BASE + SZ_4K - 1,
 121                 .flags  = IORESOURCE_MEM,
 122         }, {
 123                 .start  = IRQ_DOVE_USB1,
 124                 .end    = IRQ_DOVE_USB1,
 125                 .flags  = IORESOURCE_IRQ,
 126         },
 127 };
 128
 129 static struct platform_device dove_ehci1 = {
 130         .name           = "orion-ehci",
 131         .id             = 1,
 132         .dev            = {
 133                 .dma_mask               = &ehci_dmamask,
 134                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 135                 .platform_data          = &dove_ehci_data,
 136         },
 137         .resource       = dove_ehci1_resources,
 138         .num_resources  = ARRAY_SIZE(dove_ehci1_resources),
 139 };
 140
 141 void __init dove_ehci1_init(void)
 142 {
 143         platform_device_register(&dove_ehci1);
 144 }
 145
 146 /*****************************************************************************
 147  * GE00
 148  ****************************************************************************/
 149 struct mv643xx_eth_shared_platform_data dove_ge00_shared_data = {
 150         .t_clk          = 0,
 151         .dram           = &dove_mbus_dram_info,
 152 };
 153
 154 static struct resource dove_ge00_shared_resources[] = {
 155         {
 156                 .name   = "ge00 base",
 157                 .start  = DOVE_GE00_PHYS_BASE + 0x2000,
 158                 .end    = DOVE_GE00_PHYS_BASE + SZ_16K - 1,
 159                 .flags  = IORESOURCE_MEM,
 160         },
 161 };
 162
 163 static struct platform_device dove_ge00_shared = {
 164         .name           = MV643XX_ETH_SHARED_NAME,
 165         .id             = 0,
 166         .dev            = {
 167                 .platform_data  = &dove_ge00_shared_data,
 168         },
 169         .num_resources  = 1,
 170         .resource       = dove_ge00_shared_resources,
 171 };
 172
 173 static struct resource dove_ge00_resources[] = {
 174         {
 175                 .name   = "ge00 irq",
 176                 .start  = IRQ_DOVE_GE00_SUM,
 177                 .end    = IRQ_DOVE_GE00_SUM,
 178                 .flags  = IORESOURCE_IRQ,
 179         },
 180 };
 181
 182 static struct platform_device dove_ge00 = {
 183         .name           = MV643XX_ETH_NAME,
 184         .id             = 0,
 185         .num_resources  = 1,
 186         .resource       = dove_ge00_resources,
 187         .dev            = {
 188                 .coherent_dma_mask      = 0xffffffff,
 189         },
 190 };
 191
 192 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 193 {
 194         eth_data->shared = &dove_ge00_shared;
 195         dove_ge00.dev.platform_data = eth_data;
 196
 197         platform_device_register(&dove_ge00_shared);
 198         platform_device_register(&dove_ge00);
 199 }
 200
 201 /*****************************************************************************
 202  * SoC RTC
 203  ****************************************************************************/
 204 static struct resource dove_rtc_resource[] = {
 205         {
 206                 .start  = DOVE_RTC_PHYS_BASE,
 207                 .end    = DOVE_RTC_PHYS_BASE + 32 - 1,
 208                 .flags  = IORESOURCE_MEM,
 209         }, {
 210                 .start  = IRQ_DOVE_RTC,
 211                 .flags  = IORESOURCE_IRQ,
 212         }
 213 };
 214
 215 void __init dove_rtc_init(void)
 216 {
 217         platform_device_register_simple("rtc-mv", -1, dove_rtc_resource, 2);
 218 }
 219
 220 /*****************************************************************************
 221  * SATA
 222  ****************************************************************************/
 223 static struct resource dove_sata_resources[] = {
 224         {
 225                 .name   = "sata base",
 226                 .start  = DOVE_SATA_PHYS_BASE,
 227                 .end    = DOVE_SATA_PHYS_BASE + 0x5000 - 1,
 228                 .flags  = IORESOURCE_MEM,
 229         }, {
 230                 .name   = "sata irq",
 231                 .start  = IRQ_DOVE_SATA,
 232                 .end    = IRQ_DOVE_SATA,
 233                 .flags  = IORESOURCE_IRQ,
 234         },
 235 };
 236
 237 static struct platform_device dove_sata = {
 238         .name           = "sata_mv",
 239         .id             = 0,
 240         .dev            = {
 241                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 242         },
 243         .num_resources  = ARRAY_SIZE(dove_sata_resources),
 244         .resource       = dove_sata_resources,
 245 };
 246
 247 void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
 248 {
 249         sata_data->dram = &dove_mbus_dram_info;
 250         dove_sata.dev.platform_data = sata_data;
 251         platform_device_register(&dove_sata);
 252 }
 253
 254 /*****************************************************************************
 255  * UART0
 256  ****************************************************************************/
 257 static struct plat_serial8250_port dove_uart0_data[] = {
 258         {
 259                 .mapbase        = DOVE_UART0_PHYS_BASE,
 260                 .membase        = (char *)DOVE_UART0_VIRT_BASE,
 261                 .irq            = IRQ_DOVE_UART_0,
 262                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 263                 .iotype         = UPIO_MEM,
 264                 .regshift       = 2,
 265                 .uartclk        = 0,
 266         }, {
 267         },
 268 };
 269
 270 static struct resource dove_uart0_resources[] = {
 271         {
 272                 .start          = DOVE_UART0_PHYS_BASE,
 273                 .end            = DOVE_UART0_PHYS_BASE + SZ_256 - 1,
 274                 .flags          = IORESOURCE_MEM,
 275         }, {
 276                 .start          = IRQ_DOVE_UART_0,
 277                 .end            = IRQ_DOVE_UART_0,
 278                 .flags          = IORESOURCE_IRQ,
 279         },
 280 };
 281
 282 static struct platform_device dove_uart0 = {
 283         .name                   = "serial8250",
 284         .id                     = 0,
 285         .dev                    = {
 286                 .platform_data  = dove_uart0_data,
 287         },
 288         .resource               = dove_uart0_resources,
 289         .num_resources          = ARRAY_SIZE(dove_uart0_resources),
 290 };
 291
 292 void __init dove_uart0_init(void)
 293 {
 294         platform_device_register(&dove_uart0);
 295 }
 296
 297 /*****************************************************************************
 298  * UART1
 299  ****************************************************************************/
 300 static struct plat_serial8250_port dove_uart1_data[] = {
 301         {
 302                 .mapbase        = DOVE_UART1_PHYS_BASE,
 303                 .membase        = (char *)DOVE_UART1_VIRT_BASE,
 304                 .irq            = IRQ_DOVE_UART_1,
 305                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 306                 .iotype         = UPIO_MEM,
 307                 .regshift       = 2,
 308                 .uartclk        = 0,
 309         }, {
 310         },
 311 };
 312
 313 static struct resource dove_uart1_resources[] = {
 314         {
 315                 .start          = DOVE_UART1_PHYS_BASE,
 316                 .end            = DOVE_UART1_PHYS_BASE + SZ_256 - 1,
 317                 .flags          = IORESOURCE_MEM,
 318         }, {
 319                 .start          = IRQ_DOVE_UART_1,
 320                 .end            = IRQ_DOVE_UART_1,
 321                 .flags          = IORESOURCE_IRQ,
 322         },
 323 };
 324
 325 static struct platform_device dove_uart1 = {
 326         .name                   = "serial8250",
 327         .id                     = 1,
 328         .dev                    = {
 329                 .platform_data  = dove_uart1_data,
 330         },
 331         .resource               = dove_uart1_resources,
 332         .num_resources          = ARRAY_SIZE(dove_uart1_resources),
 333 };
 334
 335 void __init dove_uart1_init(void)
 336 {
 337         platform_device_register(&dove_uart1);
 338 }
 339
 340 /*****************************************************************************
 341  * UART2
 342  ****************************************************************************/
 343 static struct plat_serial8250_port dove_uart2_data[] = {
 344         {
 345                 .mapbase        = DOVE_UART2_PHYS_BASE,
 346                 .membase        = (char *)DOVE_UART2_VIRT_BASE,
 347                 .irq            = IRQ_DOVE_UART_2,
 348                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 349                 .iotype         = UPIO_MEM,
 350                 .regshift       = 2,
 351                 .uartclk        = 0,
 352         }, {
 353         },
 354 };
 355
 356 static struct resource dove_uart2_resources[] = {
 357         {
 358                 .start          = DOVE_UART2_PHYS_BASE,
 359                 .end            = DOVE_UART2_PHYS_BASE + SZ_256 - 1,
 360                 .flags          = IORESOURCE_MEM,
 361         }, {
 362                 .start          = IRQ_DOVE_UART_2,
 363                 .end            = IRQ_DOVE_UART_2,
 364                 .flags          = IORESOURCE_IRQ,
 365         },
 366 };
 367
 368 static struct platform_device dove_uart2 = {
 369         .name                   = "serial8250",
 370         .id                     = 2,
 371         .dev                    = {
 372                 .platform_data  = dove_uart2_data,
 373         },
 374         .resource               = dove_uart2_resources,
 375         .num_resources          = ARRAY_SIZE(dove_uart2_resources),
 376 };
 377
 378 void __init dove_uart2_init(void)
 379 {
 380         platform_device_register(&dove_uart2);
 381 }
 382
 383 /*****************************************************************************
 384  * UART3
 385  ****************************************************************************/
 386 static struct plat_serial8250_port dove_uart3_data[] = {
 387         {
 388                 .mapbase        = DOVE_UART3_PHYS_BASE,
 389                 .membase        = (char *)DOVE_UART3_VIRT_BASE,
 390                 .irq            = IRQ_DOVE_UART_3,
 391                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 392                 .iotype         = UPIO_MEM,
 393                 .regshift       = 2,
 394                 .uartclk        = 0,
 395         }, {
 396         },
 397 };
 398
 399 static struct resource dove_uart3_resources[] = {
 400         {
 401                 .start          = DOVE_UART3_PHYS_BASE,
 402                 .end            = DOVE_UART3_PHYS_BASE + SZ_256 - 1,
 403                 .flags          = IORESOURCE_MEM,
 404         }, {
 405                 .start          = IRQ_DOVE_UART_3,
 406                 .end            = IRQ_DOVE_UART_3,
 407                 .flags          = IORESOURCE_IRQ,
 408         },
 409 };
 410
 411 static struct platform_device dove_uart3 = {
 412         .name                   = "serial8250",
 413         .id                     = 3,
 414         .dev                    = {
 415                 .platform_data  = dove_uart3_data,
 416         },
 417         .resource               = dove_uart3_resources,
 418         .num_resources          = ARRAY_SIZE(dove_uart3_resources),
 419 };
 420
 421 void __init dove_uart3_init(void)
 422 {
 423         platform_device_register(&dove_uart3);
 424 }
 425
 426 /*****************************************************************************
 427  * SPI0
 428  ****************************************************************************/
 429 static struct orion_spi_info dove_spi0_data = {
 430         .tclk           = 0,
 431 };
 432
 433 static struct resource dove_spi0_resources[] = {
 434         {
 435                 .start  = DOVE_SPI0_PHYS_BASE,
 436                 .end    = DOVE_SPI0_PHYS_BASE + SZ_512 - 1,
 437                 .flags  = IORESOURCE_MEM,
 438         }, {
 439                 .start  = IRQ_DOVE_SPI0,
 440                 .end    = IRQ_DOVE_SPI0,
 441                 .flags  = IORESOURCE_IRQ,
 442         },
 443 };
 444
 445 static struct platform_device dove_spi0 = {
 446         .name           = "orion_spi",
 447         .id             = 0,
 448         .resource       = dove_spi0_resources,
 449         .dev            = {
 450                 .platform_data  = &dove_spi0_data,
 451         },
 452         .num_resources  = ARRAY_SIZE(dove_spi0_resources),
 453 };
 454
 455 void __init dove_spi0_init(void)
 456 {
 457         platform_device_register(&dove_spi0);
 458 }
 459
 460 /*****************************************************************************
 461  * SPI1
 462  ****************************************************************************/
 463 static struct orion_spi_info dove_spi1_data = {
 464         .tclk           = 0,
 465 };
 466
 467 static struct resource dove_spi1_resources[] = {
 468         {
 469                 .start  = DOVE_SPI1_PHYS_BASE,
 470                 .end    = DOVE_SPI1_PHYS_BASE + SZ_512 - 1,
 471                 .flags  = IORESOURCE_MEM,
 472         }, {
 473                 .start  = IRQ_DOVE_SPI1,
 474                 .end    = IRQ_DOVE_SPI1,
 475                 .flags  = IORESOURCE_IRQ,
 476         },
 477 };
 478
 479 static struct platform_device dove_spi1 = {
 480         .name           = "orion_spi",
 481         .id             = 1,
 482         .resource       = dove_spi1_resources,
 483         .dev            = {
 484                 .platform_data  = &dove_spi1_data,
 485         },
 486         .num_resources  = ARRAY_SIZE(dove_spi1_resources),
 487 };
 488
 489 void __init dove_spi1_init(void)
 490 {
 491         platform_device_register(&dove_spi1);
 492 }
 493
 494 /*****************************************************************************
 495  * I2C
 496  ****************************************************************************/
 497 static struct mv64xxx_i2c_pdata dove_i2c_data = {
 498         .freq_m         = 10, /* assumes 166 MHz TCLK gets 94.3kHz */
 499         .freq_n         = 3,
 500         .timeout        = 1000, /* Default timeout of 1 second */
 501 };
 502
 503 static struct resource dove_i2c_resources[] = {
 504         {
 505                 .name   = "i2c base",
 506                 .start  = DOVE_I2C_PHYS_BASE,
 507                 .end    = DOVE_I2C_PHYS_BASE + 0x20 - 1,
 508                 .flags  = IORESOURCE_MEM,
 509         }, {
 510                 .name   = "i2c irq",
 511                 .start  = IRQ_DOVE_I2C,
 512                 .end    = IRQ_DOVE_I2C,
 513                 .flags  = IORESOURCE_IRQ,
 514         },
 515 };
 516
 517 static struct platform_device dove_i2c = {
 518         .name           = MV64XXX_I2C_CTLR_NAME,
 519         .id             = 0,
 520         .num_resources  = ARRAY_SIZE(dove_i2c_resources),
 521         .resource       = dove_i2c_resources,
 522         .dev            = {
 523                 .platform_data = &dove_i2c_data,
 524         },
 525 };
 526
 527 void __init dove_i2c_init(void)
 528 {
 529         platform_device_register(&dove_i2c);
 530 }
 531
 532 /*****************************************************************************
 533  * Time handling
 534  ****************************************************************************/
 535 static int get_tclk(void)
 536 {
 537         /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
 538         return 166666667;
 539 }
 540
 541 static void dove_timer_init(void)
 542 {
 543         orion_time_init(IRQ_DOVE_BRIDGE, get_tclk());
 544 }
 545
 546 struct sys_timer dove_timer = {
 547         .init = dove_timer_init,
 548 };
 549
 550 /*****************************************************************************
 551  * XOR
 552  ****************************************************************************/
 553 static struct mv_xor_platform_shared_data dove_xor_shared_data = {
 554         .dram           = &dove_mbus_dram_info,
 555 };
 556
 557 /*****************************************************************************
 558  * XOR 0
 559  ****************************************************************************/
 560 static u64 dove_xor0_dmamask = DMA_BIT_MASK(32);
 561
 562 static struct resource dove_xor0_shared_resources[] = {
 563         {
 564                 .name   = "xor 0 low",
 565                 .start  = DOVE_XOR0_PHYS_BASE,
 566                 .end    = DOVE_XOR0_PHYS_BASE + 0xff,
 567                 .flags  = IORESOURCE_MEM,
 568         }, {
 569                 .name   = "xor 0 high",
 570                 .start  = DOVE_XOR0_HIGH_PHYS_BASE,
 571                 .end    = DOVE_XOR0_HIGH_PHYS_BASE + 0xff,
 572                 .flags  = IORESOURCE_MEM,
 573         },
 574 };
 575
 576 static struct platform_device dove_xor0_shared = {
 577         .name           = MV_XOR_SHARED_NAME,
 578         .id             = 0,
 579         .dev            = {
 580                 .platform_data = &dove_xor_shared_data,
 581         },
 582         .num_resources  = ARRAY_SIZE(dove_xor0_shared_resources),
 583         .resource       = dove_xor0_shared_resources,
 584 };
 585
 586 static struct resource dove_xor00_resources[] = {
 587         [0] = {
 588                 .start  = IRQ_DOVE_XOR_00,
 589                 .end    = IRQ_DOVE_XOR_00,
 590                 .flags  = IORESOURCE_IRQ,
 591         },
 592 };
 593
 594 static struct mv_xor_platform_data dove_xor00_data = {
 595         .shared         = &dove_xor0_shared,
 596         .hw_id          = 0,
 597         .pool_size      = PAGE_SIZE,
 598 };
 599
 600 static struct platform_device dove_xor00_channel = {
 601         .name           = MV_XOR_NAME,
 602         .id             = 0,
 603         .num_resources  = ARRAY_SIZE(dove_xor00_resources),
 604         .resource       = dove_xor00_resources,
 605         .dev            = {
 606                 .dma_mask               = &dove_xor0_dmamask,
 607                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 608                 .platform_data          = &dove_xor00_data,
 609         },
 610 };
 611
 612 static struct resource dove_xor01_resources[] = {
 613         [0] = {
 614                 .start  = IRQ_DOVE_XOR_01,
 615                 .end    = IRQ_DOVE_XOR_01,
 616                 .flags  = IORESOURCE_IRQ,
 617         },
 618 };
 619
 620 static struct mv_xor_platform_data dove_xor01_data = {
 621         .shared         = &dove_xor0_shared,
 622         .hw_id          = 1,
 623         .pool_size      = PAGE_SIZE,
 624 };
 625
 626 static struct platform_device dove_xor01_channel = {
 627         .name           = MV_XOR_NAME,
 628         .id             = 1,
 629         .num_resources  = ARRAY_SIZE(dove_xor01_resources),
 630         .resource       = dove_xor01_resources,
 631         .dev            = {
 632                 .dma_mask               = &dove_xor0_dmamask,
 633                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 634                 .platform_data          = &dove_xor01_data,
 635         },
 636 };
 637
 638 void __init dove_xor0_init(void)
 639 {
 640         platform_device_register(&dove_xor0_shared);
 641
 642         /*
 643          * two engines can't do memset simultaneously, this limitation
 644          * satisfied by removing memset support from one of the engines.
 645          */
 646         dma_cap_set(DMA_MEMCPY, dove_xor00_data.cap_mask);
 647         dma_cap_set(DMA_XOR, dove_xor00_data.cap_mask);
 648         platform_device_register(&dove_xor00_channel);
 649
 650         dma_cap_set(DMA_MEMCPY, dove_xor01_data.cap_mask);
 651         dma_cap_set(DMA_MEMSET, dove_xor01_data.cap_mask);
 652         dma_cap_set(DMA_XOR, dove_xor01_data.cap_mask);
 653         platform_device_register(&dove_xor01_channel);
 654 }
 655
 656 /*****************************************************************************
 657  * XOR 1
 658  ****************************************************************************/
 659 static u64 dove_xor1_dmamask = DMA_BIT_MASK(32);
 660
 661 static struct resource dove_xor1_shared_resources[] = {
 662         {
 663                 .name   = "xor 0 low",
 664                 .start  = DOVE_XOR1_PHYS_BASE,
 665                 .end    = DOVE_XOR1_PHYS_BASE + 0xff,
 666                 .flags  = IORESOURCE_MEM,
 667         }, {
 668                 .name   = "xor 0 high",
 669                 .start  = DOVE_XOR1_HIGH_PHYS_BASE,
 670                 .end    = DOVE_XOR1_HIGH_PHYS_BASE + 0xff,
 671                 .flags  = IORESOURCE_MEM,
 672         },
 673 };
 674
 675 static struct platform_device dove_xor1_shared = {
 676         .name           = MV_XOR_SHARED_NAME,
 677         .id             = 1,
 678         .dev            = {
 679                 .platform_data = &dove_xor_shared_data,
 680         },
 681         .num_resources  = ARRAY_SIZE(dove_xor1_shared_resources),
 682         .resource       = dove_xor1_shared_resources,
 683 };
 684
 685 static struct resource dove_xor10_resources[] = {
 686         [0] = {
 687                 .start  = IRQ_DOVE_XOR_10,
 688                 .end    = IRQ_DOVE_XOR_10,
 689                 .flags  = IORESOURCE_IRQ,
 690         },
 691 };
 692
 693 static struct mv_xor_platform_data dove_xor10_data = {
 694         .shared         = &dove_xor1_shared,
 695         .hw_id          = 0,
 696         .pool_size      = PAGE_SIZE,
 697 };
 698
 699 static struct platform_device dove_xor10_channel = {
 700         .name           = MV_XOR_NAME,
 701         .id             = 2,
 702         .num_resources  = ARRAY_SIZE(dove_xor10_resources),
 703         .resource       = dove_xor10_resources,
 704         .dev            = {
 705                 .dma_mask               = &dove_xor1_dmamask,
 706                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 707                 .platform_data          = &dove_xor10_data,
 708         },
 709 };
 710
 711 static struct resource dove_xor11_resources[] = {
 712         [0] = {
 713                 .start  = IRQ_DOVE_XOR_11,
 714                 .end    = IRQ_DOVE_XOR_11,
 715                 .flags  = IORESOURCE_IRQ,
 716         },
 717 };
 718
 719 static struct mv_xor_platform_data dove_xor11_data = {
 720         .shared         = &dove_xor1_shared,
 721         .hw_id          = 1,
 722         .pool_size      = PAGE_SIZE,
 723 };
 724
 725 static struct platform_device dove_xor11_channel = {
 726         .name           = MV_XOR_NAME,
 727         .id             = 3,
 728         .num_resources  = ARRAY_SIZE(dove_xor11_resources),
 729         .resource       = dove_xor11_resources,
 730         .dev            = {
 731                 .dma_mask               = &dove_xor1_dmamask,
 732                 .coherent_dma_mask      = DMA_BIT_MASK(64),
 733                 .platform_data          = &dove_xor11_data,
 734         },
 735 };
 736
 737 void __init dove_xor1_init(void)
 738 {
 739         platform_device_register(&dove_xor1_shared);
 740
 741         /*
 742          * two engines can't do memset simultaneously, this limitation
 743          * satisfied by removing memset support from one of the engines.
 744          */
 745         dma_cap_set(DMA_MEMCPY, dove_xor10_data.cap_mask);
 746         dma_cap_set(DMA_XOR, dove_xor10_data.cap_mask);
 747         platform_device_register(&dove_xor10_channel);
 748
 749         dma_cap_set(DMA_MEMCPY, dove_xor11_data.cap_mask);
 750         dma_cap_set(DMA_MEMSET, dove_xor11_data.cap_mask);
 751         dma_cap_set(DMA_XOR, dove_xor11_data.cap_mask);
 752         platform_device_register(&dove_xor11_channel);
 753 }
 754
 755 void __init dove_init(void)
 756 {
 757         int tclk;
 758
 759         tclk = get_tclk();
 760
 761         printk(KERN_INFO "Dove 88AP510 SoC, ");
 762         printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000);
 763
 764 #ifdef CONFIG_CACHE_TAUROS2
 765         tauros2_init();
 766 #endif
 767         dove_setup_cpu_mbus();
 768
 769         dove_ge00_shared_data.t_clk = tclk;
 770         dove_uart0_data[0].uartclk = tclk;
 771         dove_uart1_data[0].uartclk = tclk;
 772         dove_uart2_data[0].uartclk = tclk;
 773         dove_uart3_data[0].uartclk = tclk;
 774         dove_spi0_data.tclk = tclk;
 775         dove_spi1_data.tclk = tclk;
 776
 777         /* internal devices that every board has */
 778         dove_rtc_init();
 779         dove_xor0_init();
 780         dove_xor1_init();
 781 }