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 <plat/cache-feroceon-l2.h>
  27 #include <plat/ehci-orion.h>
  28 #include <plat/mvsdio.h>
  29 #include <plat/mv_xor.h>
  30 #include <plat/orion_nand.h>
  31 #include <plat/time.h>
  32 #include "common.h"
  33
  34 /*****************************************************************************
  35  * I/O Address Mapping
  36  ****************************************************************************/
  37 static struct map_desc kirkwood_io_desc[] __initdata = {
  38         {
  39                 .virtual        = KIRKWOOD_PCIE_IO_VIRT_BASE,
  40                 .pfn            = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
  41                 .length         = KIRKWOOD_PCIE_IO_SIZE,
  42                 .type           = MT_DEVICE,
  43         }, {
  44                 .virtual        = KIRKWOOD_REGS_VIRT_BASE,
  45                 .pfn            = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
  46                 .length         = KIRKWOOD_REGS_SIZE,
  47                 .type           = MT_DEVICE,
  48         },
  49 };
  50
  51 void __init kirkwood_map_io(void)
  52 {
  53         iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
  54 }
  55
  56
  57 /*****************************************************************************
  58  * EHCI
  59  ****************************************************************************/
  60 static struct orion_ehci_data kirkwood_ehci_data = {
  61         .dram           = &kirkwood_mbus_dram_info,
  62         .phy_version    = EHCI_PHY_NA,
  63 };
  64
  65 static u64 ehci_dmamask = 0xffffffffUL;
  66
  67
  68 /*****************************************************************************
  69  * EHCI0
  70  ****************************************************************************/
  71 static struct resource kirkwood_ehci_resources[] = {
  72         {
  73                 .start  = USB_PHYS_BASE,
  74                 .end    = USB_PHYS_BASE + 0x0fff,
  75                 .flags  = IORESOURCE_MEM,
  76         }, {
  77                 .start  = IRQ_KIRKWOOD_USB,
  78                 .end    = IRQ_KIRKWOOD_USB,
  79                 .flags  = IORESOURCE_IRQ,
  80         },
  81 };
  82
  83 static struct platform_device kirkwood_ehci = {
  84         .name           = "orion-ehci",
  85         .id             = 0,
  86         .dev            = {
  87                 .dma_mask               = &ehci_dmamask,
  88                 .coherent_dma_mask      = 0xffffffff,
  89                 .platform_data          = &kirkwood_ehci_data,
  90         },
  91         .resource       = kirkwood_ehci_resources,
  92         .num_resources  = ARRAY_SIZE(kirkwood_ehci_resources),
  93 };
  94
  95 void __init kirkwood_ehci_init(void)
  96 {
  97         platform_device_register(&kirkwood_ehci);
  98 }
  99
 100
 101 /*****************************************************************************
 102  * GE00
 103  ****************************************************************************/
 104 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
 105         .dram           = &kirkwood_mbus_dram_info,
 106 };
 107
 108 static struct resource kirkwood_ge00_shared_resources[] = {
 109         {
 110                 .name   = "ge00 base",
 111                 .start  = GE00_PHYS_BASE + 0x2000,
 112                 .end    = GE00_PHYS_BASE + 0x3fff,
 113                 .flags  = IORESOURCE_MEM,
 114         }, {
 115                 .name   = "ge00 err irq",
 116                 .start  = IRQ_KIRKWOOD_GE00_ERR,
 117                 .end    = IRQ_KIRKWOOD_GE00_ERR,
 118                 .flags  = IORESOURCE_IRQ,
 119         },
 120 };
 121
 122 static struct platform_device kirkwood_ge00_shared = {
 123         .name           = MV643XX_ETH_SHARED_NAME,
 124         .id             = 0,
 125         .dev            = {
 126                 .platform_data  = &kirkwood_ge00_shared_data,
 127         },
 128         .num_resources  = ARRAY_SIZE(kirkwood_ge00_shared_resources),
 129         .resource       = kirkwood_ge00_shared_resources,
 130 };
 131
 132 static struct resource kirkwood_ge00_resources[] = {
 133         {
 134                 .name   = "ge00 irq",
 135                 .start  = IRQ_KIRKWOOD_GE00_SUM,
 136                 .end    = IRQ_KIRKWOOD_GE00_SUM,
 137                 .flags  = IORESOURCE_IRQ,
 138         },
 139 };
 140
 141 static struct platform_device kirkwood_ge00 = {
 142         .name           = MV643XX_ETH_NAME,
 143         .id             = 0,
 144         .num_resources  = 1,
 145         .resource       = kirkwood_ge00_resources,
 146 };
 147
 148 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 149 {
 150         eth_data->shared = &kirkwood_ge00_shared;
 151         kirkwood_ge00.dev.platform_data = eth_data;
 152
 153         platform_device_register(&kirkwood_ge00_shared);
 154         platform_device_register(&kirkwood_ge00);
 155 }
 156
 157
 158 /*****************************************************************************
 159  * GE01
 160  ****************************************************************************/
 161 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
 162         .dram           = &kirkwood_mbus_dram_info,
 163         .shared_smi     = &kirkwood_ge00_shared,
 164 };
 165
 166 static struct resource kirkwood_ge01_shared_resources[] = {
 167         {
 168                 .name   = "ge01 base",
 169                 .start  = GE01_PHYS_BASE + 0x2000,
 170                 .end    = GE01_PHYS_BASE + 0x3fff,
 171                 .flags  = IORESOURCE_MEM,
 172         }, {
 173                 .name   = "ge01 err irq",
 174                 .start  = IRQ_KIRKWOOD_GE01_ERR,
 175                 .end    = IRQ_KIRKWOOD_GE01_ERR,
 176                 .flags  = IORESOURCE_IRQ,
 177         },
 178 };
 179
 180 static struct platform_device kirkwood_ge01_shared = {
 181         .name           = MV643XX_ETH_SHARED_NAME,
 182         .id             = 1,
 183         .dev            = {
 184                 .platform_data  = &kirkwood_ge01_shared_data,
 185         },
 186         .num_resources  = ARRAY_SIZE(kirkwood_ge01_shared_resources),
 187         .resource       = kirkwood_ge01_shared_resources,
 188 };
 189
 190 static struct resource kirkwood_ge01_resources[] = {
 191         {
 192                 .name   = "ge01 irq",
 193                 .start  = IRQ_KIRKWOOD_GE01_SUM,
 194                 .end    = IRQ_KIRKWOOD_GE01_SUM,
 195                 .flags  = IORESOURCE_IRQ,
 196         },
 197 };
 198
 199 static struct platform_device kirkwood_ge01 = {
 200         .name           = MV643XX_ETH_NAME,
 201         .id             = 1,
 202         .num_resources  = 1,
 203         .resource       = kirkwood_ge01_resources,
 204 };
 205
 206 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 207 {
 208         eth_data->shared = &kirkwood_ge01_shared;
 209         kirkwood_ge01.dev.platform_data = eth_data;
 210
 211         platform_device_register(&kirkwood_ge01_shared);
 212         platform_device_register(&kirkwood_ge01);
 213 }
 214
 215
 216 /*****************************************************************************
 217  * Ethernet switch
 218  ****************************************************************************/
 219 static struct resource kirkwood_switch_resources[] = {
 220         {
 221                 .start  = 0,
 222                 .end    = 0,
 223                 .flags  = IORESOURCE_IRQ,
 224         },
 225 };
 226
 227 static struct platform_device kirkwood_switch_device = {
 228         .name           = "dsa",
 229         .id             = 0,
 230         .num_resources  = 0,
 231         .resource       = kirkwood_switch_resources,
 232 };
 233
 234 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
 235 {
 236         if (irq != NO_IRQ) {
 237                 kirkwood_switch_resources[0].start = irq;
 238                 kirkwood_switch_resources[0].end = irq;
 239                 kirkwood_switch_device.num_resources = 1;
 240         }
 241
 242         d->mii_bus = &kirkwood_ge00_shared.dev;
 243         d->netdev = &kirkwood_ge00.dev;
 244         kirkwood_switch_device.dev.platform_data = d;
 245
 246         platform_device_register(&kirkwood_switch_device);
 247 }
 248
 249
 250 /*****************************************************************************
 251  * SoC RTC
 252  ****************************************************************************/
 253 static struct resource kirkwood_rtc_resource = {
 254         .start  = RTC_PHYS_BASE,
 255         .end    = RTC_PHYS_BASE + SZ_16 - 1,
 256         .flags  = IORESOURCE_MEM,
 257 };
 258
 259 static void __init kirkwood_rtc_init(void)
 260 {
 261         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
 262 }
 263
 264
 265 /*****************************************************************************
 266  * SATA
 267  ****************************************************************************/
 268 static struct resource kirkwood_sata_resources[] = {
 269         {
 270                 .name   = "sata base",
 271                 .start  = SATA_PHYS_BASE,
 272                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
 273                 .flags  = IORESOURCE_MEM,
 274         }, {
 275                 .name   = "sata irq",
 276                 .start  = IRQ_KIRKWOOD_SATA,
 277                 .end    = IRQ_KIRKWOOD_SATA,
 278                 .flags  = IORESOURCE_IRQ,
 279         },
 280 };
 281
 282 static struct platform_device kirkwood_sata = {
 283         .name           = "sata_mv",
 284         .id             = 0,
 285         .dev            = {
 286                 .coherent_dma_mask      = 0xffffffff,
 287         },
 288         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
 289         .resource       = kirkwood_sata_resources,
 290 };
 291
 292 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
 293 {
 294         sata_data->dram = &kirkwood_mbus_dram_info;
 295         kirkwood_sata.dev.platform_data = sata_data;
 296         platform_device_register(&kirkwood_sata);
 297 }
 298
 299
 300 /*****************************************************************************
 301  * SD/SDIO/MMC
 302  ****************************************************************************/
 303 static struct resource mvsdio_resources[] = {
 304         [0] = {
 305                 .start  = SDIO_PHYS_BASE,
 306                 .end    = SDIO_PHYS_BASE + SZ_1K - 1,
 307                 .flags  = IORESOURCE_MEM,
 308         },
 309         [1] = {
 310                 .start  = IRQ_KIRKWOOD_SDIO,
 311                 .end    = IRQ_KIRKWOOD_SDIO,
 312                 .flags  = IORESOURCE_IRQ,
 313         },
 314 };
 315
 316 static u64 mvsdio_dmamask = 0xffffffffUL;
 317
 318 static struct platform_device kirkwood_sdio = {
 319         .name           = "mvsdio",
 320         .id             = -1,
 321         .dev            = {
 322                 .dma_mask = &mvsdio_dmamask,
 323                 .coherent_dma_mask = 0xffffffff,
 324         },
 325         .num_resources  = ARRAY_SIZE(mvsdio_resources),
 326         .resource       = mvsdio_resources,
 327 };
 328
 329 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
 330 {
 331         u32 dev, rev;
 332
 333         kirkwood_pcie_id(&dev, &rev);
 334         if (rev == 0)  /* catch all Kirkwood Z0's */
 335                 mvsdio_data->clock = 100000000;
 336         else
 337                 mvsdio_data->clock = 200000000;
 338         mvsdio_data->dram = &kirkwood_mbus_dram_info;
 339         kirkwood_sdio.dev.platform_data = mvsdio_data;
 340         platform_device_register(&kirkwood_sdio);
 341 }
 342
 343
 344 /*****************************************************************************
 345  * SPI
 346  ****************************************************************************/
 347 static struct orion_spi_info kirkwood_spi_plat_data = {
 348 };
 349
 350 static struct resource kirkwood_spi_resources[] = {
 351         {
 352                 .start  = SPI_PHYS_BASE,
 353                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
 354                 .flags  = IORESOURCE_MEM,
 355         },
 356 };
 357
 358 static struct platform_device kirkwood_spi = {
 359         .name           = "orion_spi",
 360         .id             = 0,
 361         .resource       = kirkwood_spi_resources,
 362         .dev            = {
 363                 .platform_data  = &kirkwood_spi_plat_data,
 364         },
 365         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
 366 };
 367
 368 void __init kirkwood_spi_init()
 369 {
 370         platform_device_register(&kirkwood_spi);
 371 }
 372
 373
 374 /*****************************************************************************
 375  * I2C
 376  ****************************************************************************/
 377 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
 378         .freq_m         = 8, /* assumes 166 MHz TCLK */
 379         .freq_n         = 3,
 380         .timeout        = 1000, /* Default timeout of 1 second */
 381 };
 382
 383 static struct resource kirkwood_i2c_resources[] = {
 384         {
 385                 .name   = "i2c",
 386                 .start  = I2C_PHYS_BASE,
 387                 .end    = I2C_PHYS_BASE + 0x1f,
 388                 .flags  = IORESOURCE_MEM,
 389         }, {
 390                 .name   = "i2c",
 391                 .start  = IRQ_KIRKWOOD_TWSI,
 392                 .end    = IRQ_KIRKWOOD_TWSI,
 393                 .flags  = IORESOURCE_IRQ,
 394         },
 395 };
 396
 397 static struct platform_device kirkwood_i2c = {
 398         .name           = MV64XXX_I2C_CTLR_NAME,
 399         .id             = 0,
 400         .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
 401         .resource       = kirkwood_i2c_resources,
 402         .dev            = {
 403                 .platform_data  = &kirkwood_i2c_pdata,
 404         },
 405 };
 406
 407 void __init kirkwood_i2c_init(void)
 408 {
 409         platform_device_register(&kirkwood_i2c);
 410 }
 411
 412
 413 /*****************************************************************************
 414  * UART0
 415  ****************************************************************************/
 416 static struct plat_serial8250_port kirkwood_uart0_data[] = {
 417         {
 418                 .mapbase        = UART0_PHYS_BASE,
 419                 .membase        = (char *)UART0_VIRT_BASE,
 420                 .irq            = IRQ_KIRKWOOD_UART_0,
 421                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 422                 .iotype         = UPIO_MEM,
 423                 .regshift       = 2,
 424                 .uartclk        = 0,
 425         }, {
 426         },
 427 };
 428
 429 static struct resource kirkwood_uart0_resources[] = {
 430         {
 431                 .start          = UART0_PHYS_BASE,
 432                 .end            = UART0_PHYS_BASE + 0xff,
 433                 .flags          = IORESOURCE_MEM,
 434         }, {
 435                 .start          = IRQ_KIRKWOOD_UART_0,
 436                 .end            = IRQ_KIRKWOOD_UART_0,
 437                 .flags          = IORESOURCE_IRQ,
 438         },
 439 };
 440
 441 static struct platform_device kirkwood_uart0 = {
 442         .name                   = "serial8250",
 443         .id                     = 0,
 444         .dev                    = {
 445                 .platform_data  = kirkwood_uart0_data,
 446         },
 447         .resource               = kirkwood_uart0_resources,
 448         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
 449 };
 450
 451 void __init kirkwood_uart0_init(void)
 452 {
 453         platform_device_register(&kirkwood_uart0);
 454 }
 455
 456
 457 /*****************************************************************************
 458  * UART1
 459  ****************************************************************************/
 460 static struct plat_serial8250_port kirkwood_uart1_data[] = {
 461         {
 462                 .mapbase        = UART1_PHYS_BASE,
 463                 .membase        = (char *)UART1_VIRT_BASE,
 464                 .irq            = IRQ_KIRKWOOD_UART_1,
 465                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 466                 .iotype         = UPIO_MEM,
 467                 .regshift       = 2,
 468                 .uartclk        = 0,
 469         }, {
 470         },
 471 };
 472
 473 static struct resource kirkwood_uart1_resources[] = {
 474         {
 475                 .start          = UART1_PHYS_BASE,
 476                 .end            = UART1_PHYS_BASE + 0xff,
 477                 .flags          = IORESOURCE_MEM,
 478         }, {
 479                 .start          = IRQ_KIRKWOOD_UART_1,
 480                 .end            = IRQ_KIRKWOOD_UART_1,
 481                 .flags          = IORESOURCE_IRQ,
 482         },
 483 };
 484
 485 static struct platform_device kirkwood_uart1 = {
 486         .name                   = "serial8250",
 487         .id                     = 1,
 488         .dev                    = {
 489                 .platform_data  = kirkwood_uart1_data,
 490         },
 491         .resource               = kirkwood_uart1_resources,
 492         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
 493 };
 494
 495 void __init kirkwood_uart1_init(void)
 496 {
 497         platform_device_register(&kirkwood_uart1);
 498 }
 499
 500
 501 /*****************************************************************************
 502  * XOR
 503  ****************************************************************************/
 504 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
 505         .dram           = &kirkwood_mbus_dram_info,
 506 };
 507
 508 static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
 509
 510
 511 /*****************************************************************************
 512  * XOR0
 513  ****************************************************************************/
 514 static struct resource kirkwood_xor0_shared_resources[] = {
 515         {
 516                 .name   = "xor 0 low",
 517                 .start  = XOR0_PHYS_BASE,
 518                 .end    = XOR0_PHYS_BASE + 0xff,
 519                 .flags  = IORESOURCE_MEM,
 520         }, {
 521                 .name   = "xor 0 high",
 522                 .start  = XOR0_HIGH_PHYS_BASE,
 523                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
 524                 .flags  = IORESOURCE_MEM,
 525         },
 526 };
 527
 528 static struct platform_device kirkwood_xor0_shared = {
 529         .name           = MV_XOR_SHARED_NAME,
 530         .id             = 0,
 531         .dev            = {
 532                 .platform_data = &kirkwood_xor_shared_data,
 533         },
 534         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
 535         .resource       = kirkwood_xor0_shared_resources,
 536 };
 537
 538 static struct resource kirkwood_xor00_resources[] = {
 539         [0] = {
 540                 .start  = IRQ_KIRKWOOD_XOR_00,
 541                 .end    = IRQ_KIRKWOOD_XOR_00,
 542                 .flags  = IORESOURCE_IRQ,
 543         },
 544 };
 545
 546 static struct mv_xor_platform_data kirkwood_xor00_data = {
 547         .shared         = &kirkwood_xor0_shared,
 548         .hw_id          = 0,
 549         .pool_size      = PAGE_SIZE,
 550 };
 551
 552 static struct platform_device kirkwood_xor00_channel = {
 553         .name           = MV_XOR_NAME,
 554         .id             = 0,
 555         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
 556         .resource       = kirkwood_xor00_resources,
 557         .dev            = {
 558                 .dma_mask               = &kirkwood_xor_dmamask,
 559                 .coherent_dma_mask      = DMA_64BIT_MASK,
 560                 .platform_data          = (void *)&kirkwood_xor00_data,
 561         },
 562 };
 563
 564 static struct resource kirkwood_xor01_resources[] = {
 565         [0] = {
 566                 .start  = IRQ_KIRKWOOD_XOR_01,
 567                 .end    = IRQ_KIRKWOOD_XOR_01,
 568                 .flags  = IORESOURCE_IRQ,
 569         },
 570 };
 571
 572 static struct mv_xor_platform_data kirkwood_xor01_data = {
 573         .shared         = &kirkwood_xor0_shared,
 574         .hw_id          = 1,
 575         .pool_size      = PAGE_SIZE,
 576 };
 577
 578 static struct platform_device kirkwood_xor01_channel = {
 579         .name           = MV_XOR_NAME,
 580         .id             = 1,
 581         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
 582         .resource       = kirkwood_xor01_resources,
 583         .dev            = {
 584                 .dma_mask               = &kirkwood_xor_dmamask,
 585                 .coherent_dma_mask      = DMA_64BIT_MASK,
 586                 .platform_data          = (void *)&kirkwood_xor01_data,
 587         },
 588 };
 589
 590 static void __init kirkwood_xor0_init(void)
 591 {
 592         platform_device_register(&kirkwood_xor0_shared);
 593
 594         /*
 595          * two engines can't do memset simultaneously, this limitation
 596          * satisfied by removing memset support from one of the engines.
 597          */
 598         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
 599         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
 600         platform_device_register(&kirkwood_xor00_channel);
 601
 602         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
 603         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
 604         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
 605         platform_device_register(&kirkwood_xor01_channel);
 606 }
 607
 608
 609 /*****************************************************************************
 610  * XOR1
 611  ****************************************************************************/
 612 static struct resource kirkwood_xor1_shared_resources[] = {
 613         {
 614                 .name   = "xor 1 low",
 615                 .start  = XOR1_PHYS_BASE,
 616                 .end    = XOR1_PHYS_BASE + 0xff,
 617                 .flags  = IORESOURCE_MEM,
 618         }, {
 619                 .name   = "xor 1 high",
 620                 .start  = XOR1_HIGH_PHYS_BASE,
 621                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
 622                 .flags  = IORESOURCE_MEM,
 623         },
 624 };
 625
 626 static struct platform_device kirkwood_xor1_shared = {
 627         .name           = MV_XOR_SHARED_NAME,
 628         .id             = 1,
 629         .dev            = {
 630                 .platform_data = &kirkwood_xor_shared_data,
 631         },
 632         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
 633         .resource       = kirkwood_xor1_shared_resources,
 634 };
 635
 636 static struct resource kirkwood_xor10_resources[] = {
 637         [0] = {
 638                 .start  = IRQ_KIRKWOOD_XOR_10,
 639                 .end    = IRQ_KIRKWOOD_XOR_10,
 640                 .flags  = IORESOURCE_IRQ,
 641         },
 642 };
 643
 644 static struct mv_xor_platform_data kirkwood_xor10_data = {
 645         .shared         = &kirkwood_xor1_shared,
 646         .hw_id          = 0,
 647         .pool_size      = PAGE_SIZE,
 648 };
 649
 650 static struct platform_device kirkwood_xor10_channel = {
 651         .name           = MV_XOR_NAME,
 652         .id             = 2,
 653         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
 654         .resource       = kirkwood_xor10_resources,
 655         .dev            = {
 656                 .dma_mask               = &kirkwood_xor_dmamask,
 657                 .coherent_dma_mask      = DMA_64BIT_MASK,
 658                 .platform_data          = (void *)&kirkwood_xor10_data,
 659         },
 660 };
 661
 662 static struct resource kirkwood_xor11_resources[] = {
 663         [0] = {
 664                 .start  = IRQ_KIRKWOOD_XOR_11,
 665                 .end    = IRQ_KIRKWOOD_XOR_11,
 666                 .flags  = IORESOURCE_IRQ,
 667         },
 668 };
 669
 670 static struct mv_xor_platform_data kirkwood_xor11_data = {
 671         .shared         = &kirkwood_xor1_shared,
 672         .hw_id          = 1,
 673         .pool_size      = PAGE_SIZE,
 674 };
 675
 676 static struct platform_device kirkwood_xor11_channel = {
 677         .name           = MV_XOR_NAME,
 678         .id             = 3,
 679         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
 680         .resource       = kirkwood_xor11_resources,
 681         .dev            = {
 682                 .dma_mask               = &kirkwood_xor_dmamask,
 683                 .coherent_dma_mask      = DMA_64BIT_MASK,
 684                 .platform_data          = (void *)&kirkwood_xor11_data,
 685         },
 686 };
 687
 688 static void __init kirkwood_xor1_init(void)
 689 {
 690         platform_device_register(&kirkwood_xor1_shared);
 691
 692         /*
 693          * two engines can't do memset simultaneously, this limitation
 694          * satisfied by removing memset support from one of the engines.
 695          */
 696         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
 697         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
 698         platform_device_register(&kirkwood_xor10_channel);
 699
 700         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
 701         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
 702         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
 703         platform_device_register(&kirkwood_xor11_channel);
 704 }
 705
 706
 707 /*****************************************************************************
 708  * Time handling
 709  ****************************************************************************/
 710 int kirkwood_tclk;
 711
 712 int __init kirkwood_find_tclk(void)
 713 {
 714         u32 dev, rev;
 715
 716         kirkwood_pcie_id(&dev, &rev);
 717         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
 718                 return 200000000;
 719
 720         return 166666667;
 721 }
 722
 723 static void kirkwood_timer_init(void)
 724 {
 725         kirkwood_tclk = kirkwood_find_tclk();
 726         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 727 }
 728
 729 struct sys_timer kirkwood_timer = {
 730         .init = kirkwood_timer_init,
 731 };
 732
 733
 734 /*****************************************************************************
 735  * General
 736  ****************************************************************************/
 737 /*
 738  * Identify device ID and revision.
 739  */
 740 static char * __init kirkwood_id(void)
 741 {
 742         u32 dev, rev;
 743
 744         kirkwood_pcie_id(&dev, &rev);
 745
 746         if (dev == MV88F6281_DEV_ID) {
 747                 if (rev == MV88F6281_REV_Z0)
 748                         return "MV88F6281-Z0";
 749                 else if (rev == MV88F6281_REV_A0)
 750                         return "MV88F6281-A0";
 751                 else
 752                         return "MV88F6281-Rev-Unsupported";
 753         } else if (dev == MV88F6192_DEV_ID) {
 754                 if (rev == MV88F6192_REV_Z0)
 755                         return "MV88F6192-Z0";
 756                 else if (rev == MV88F6192_REV_A0)
 757                         return "MV88F6192-A0";
 758                 else
 759                         return "MV88F6192-Rev-Unsupported";
 760         } else if (dev == MV88F6180_DEV_ID) {
 761                 if (rev == MV88F6180_REV_A0)
 762                         return "MV88F6180-Rev-A0";
 763                 else
 764                         return "MV88F6180-Rev-Unsupported";
 765         } else {
 766                 return "Device-Unknown";
 767         }
 768 }
 769
 770 static void __init kirkwood_l2_init(void)
 771 {
 772 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
 773         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
 774         feroceon_l2_init(1);
 775 #else
 776         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
 777         feroceon_l2_init(0);
 778 #endif
 779 }
 780
 781 void __init kirkwood_init(void)
 782 {
 783         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
 784                 kirkwood_id(), kirkwood_tclk);
 785         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
 786         kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
 787         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
 788         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
 789         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 790
 791         kirkwood_setup_cpu_mbus();
 792
 793 #ifdef CONFIG_CACHE_FEROCEON_L2
 794         kirkwood_l2_init();
 795 #endif
 796
 797         /* internal devices that every board has */
 798         kirkwood_rtc_init();
 799         kirkwood_xor0_init();
 800         kirkwood_xor1_init();
 801 }