arch/arm/mach-mv78xx0/common.c

   1 /*
   2  * arch/arm/mach-mv78xx0/common.c
   3  *
   4  * Core functions for Marvell MV78xx0 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/ethtool.h>
  20 #include <asm/mach/map.h>
  21 #include <asm/mach/time.h>
  22 #include <mach/mv78xx0.h>
  23 #include <plat/cache-feroceon-l2.h>
  24 #include <plat/ehci-orion.h>
  25 #include <plat/orion_nand.h>
  26 #include <plat/time.h>
  27 #include "common.h"
  28
  29
  30 /*****************************************************************************
  31  * Common bits
  32  ****************************************************************************/
  33 int mv78xx0_core_index(void)
  34 {
  35         u32 extra;
  36
  37         /*
  38          * Read Extra Features register.
  39          */
  40         __asm__("mrc p15, 1, %0, c15, c1, 0" : "=r" (extra));
  41
  42         return !!(extra & 0x00004000);
  43 }
  44
  45 static int get_hclk(void)
  46 {
  47         int hclk;
  48
  49         /*
  50          * HCLK tick rate is configured by DEV_D[7:5] pins.
  51          */
  52         switch ((readl(SAMPLE_AT_RESET_LOW) >> 5) & 7) {
  53         case 0:
  54                 hclk = 166666667;
  55                 break;
  56         case 1:
  57                 hclk = 200000000;
  58                 break;
  59         case 2:
  60                 hclk = 266666667;
  61                 break;
  62         case 3:
  63                 hclk = 333333333;
  64                 break;
  65         case 4:
  66                 hclk = 400000000;
  67                 break;
  68         default:
  69                 panic("unknown HCLK PLL setting: %.8x\n",
  70                         readl(SAMPLE_AT_RESET_LOW));
  71         }
  72
  73         return hclk;
  74 }
  75
  76 static void get_pclk_l2clk(int hclk, int core_index, int *pclk, int *l2clk)
  77 {
  78         u32 cfg;
  79
  80         /*
  81          * Core #0 PCLK/L2CLK is configured by bits [13:8], core #1
  82          * PCLK/L2CLK by bits [19:14].
  83          */
  84         if (core_index == 0) {
  85                 cfg = (readl(SAMPLE_AT_RESET_LOW) >> 8) & 0x3f;
  86         } else {
  87                 cfg = (readl(SAMPLE_AT_RESET_LOW) >> 14) & 0x3f;
  88         }
  89
  90         /*
  91          * Bits [11:8] ([17:14] for core #1) configure the PCLK:HCLK
  92          * ratio (1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6).
  93          */
  94         *pclk = ((u64)hclk * (2 + (cfg & 0xf))) >> 1;
  95
  96         /*
  97          * Bits [13:12] ([19:18] for core #1) configure the PCLK:L2CLK
  98          * ratio (1, 2, 3).
  99          */
 100         *l2clk = *pclk / (((cfg >> 4) & 3) + 1);
 101 }
 102
 103 static int get_tclk(void)
 104 {
 105         int tclk;
 106
 107         /*
 108          * TCLK tick rate is configured by DEV_A[2:0] strap pins.
 109          */
 110         switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) {
 111         case 1:
 112                 tclk = 166666667;
 113                 break;
 114         case 3:
 115                 tclk = 200000000;
 116                 break;
 117         default:
 118                 panic("unknown TCLK PLL setting: %.8x\n",
 119                         readl(SAMPLE_AT_RESET_HIGH));
 120         }
 121
 122         return tclk;
 123 }
 124
 125
 126 /*****************************************************************************
 127  * I/O Address Mapping
 128  ****************************************************************************/
 129 static struct map_desc mv78xx0_io_desc[] __initdata = {
 130         {
 131                 .virtual        = MV78XX0_CORE_REGS_VIRT_BASE,
 132                 .pfn            = 0,
 133                 .length         = MV78XX0_CORE_REGS_SIZE,
 134                 .type           = MT_DEVICE,
 135         }, {
 136                 .virtual        = MV78XX0_PCIE_IO_VIRT_BASE(0),
 137                 .pfn            = __phys_to_pfn(MV78XX0_PCIE_IO_PHYS_BASE(0)),
 138                 .length         = MV78XX0_PCIE_IO_SIZE * 8,
 139                 .type           = MT_DEVICE,
 140         }, {
 141                 .virtual        = MV78XX0_REGS_VIRT_BASE,
 142                 .pfn            = __phys_to_pfn(MV78XX0_REGS_PHYS_BASE),
 143                 .length         = MV78XX0_REGS_SIZE,
 144                 .type           = MT_DEVICE,
 145         },
 146 };
 147
 148 void __init mv78xx0_map_io(void)
 149 {
 150         unsigned long phys;
 151
 152         /*
 153          * Map the right set of per-core registers depending on
 154          * which core we are running on.
 155          */
 156         if (mv78xx0_core_index() == 0) {
 157                 phys = MV78XX0_CORE0_REGS_PHYS_BASE;
 158         } else {
 159                 phys = MV78XX0_CORE1_REGS_PHYS_BASE;
 160         }
 161         mv78xx0_io_desc[0].pfn = __phys_to_pfn(phys);
 162
 163         iotable_init(mv78xx0_io_desc, ARRAY_SIZE(mv78xx0_io_desc));
 164 }
 165
 166
 167 /*****************************************************************************
 168  * EHCI
 169  ****************************************************************************/
 170 static struct orion_ehci_data mv78xx0_ehci_data = {
 171         .dram           = &mv78xx0_mbus_dram_info,
 172         .phy_version    = EHCI_PHY_NA,
 173 };
 174
 175 static u64 ehci_dmamask = 0xffffffffUL;
 176
 177
 178 /*****************************************************************************
 179  * EHCI0
 180  ****************************************************************************/
 181 static struct resource mv78xx0_ehci0_resources[] = {
 182         {
 183                 .start  = USB0_PHYS_BASE,
 184                 .end    = USB0_PHYS_BASE + 0x0fff,
 185                 .flags  = IORESOURCE_MEM,
 186         }, {
 187                 .start  = IRQ_MV78XX0_USB_0,
 188                 .end    = IRQ_MV78XX0_USB_0,
 189                 .flags  = IORESOURCE_IRQ,
 190         },
 191 };
 192
 193 static struct platform_device mv78xx0_ehci0 = {
 194         .name           = "orion-ehci",
 195         .id             = 0,
 196         .dev            = {
 197                 .dma_mask               = &ehci_dmamask,
 198                 .coherent_dma_mask      = 0xffffffff,
 199                 .platform_data          = &mv78xx0_ehci_data,
 200         },
 201         .resource       = mv78xx0_ehci0_resources,
 202         .num_resources  = ARRAY_SIZE(mv78xx0_ehci0_resources),
 203 };
 204
 205 void __init mv78xx0_ehci0_init(void)
 206 {
 207         platform_device_register(&mv78xx0_ehci0);
 208 }
 209
 210
 211 /*****************************************************************************
 212  * EHCI1
 213  ****************************************************************************/
 214 static struct resource mv78xx0_ehci1_resources[] = {
 215         {
 216                 .start  = USB1_PHYS_BASE,
 217                 .end    = USB1_PHYS_BASE + 0x0fff,
 218                 .flags  = IORESOURCE_MEM,
 219         }, {
 220                 .start  = IRQ_MV78XX0_USB_1,
 221                 .end    = IRQ_MV78XX0_USB_1,
 222                 .flags  = IORESOURCE_IRQ,
 223         },
 224 };
 225
 226 static struct platform_device mv78xx0_ehci1 = {
 227         .name           = "orion-ehci",
 228         .id             = 1,
 229         .dev            = {
 230                 .dma_mask               = &ehci_dmamask,
 231                 .coherent_dma_mask      = 0xffffffff,
 232                 .platform_data          = &mv78xx0_ehci_data,
 233         },
 234         .resource       = mv78xx0_ehci1_resources,
 235         .num_resources  = ARRAY_SIZE(mv78xx0_ehci1_resources),
 236 };
 237
 238 void __init mv78xx0_ehci1_init(void)
 239 {
 240         platform_device_register(&mv78xx0_ehci1);
 241 }
 242
 243
 244 /*****************************************************************************
 245  * EHCI2
 246  ****************************************************************************/
 247 static struct resource mv78xx0_ehci2_resources[] = {
 248         {
 249                 .start  = USB2_PHYS_BASE,
 250                 .end    = USB2_PHYS_BASE + 0x0fff,
 251                 .flags  = IORESOURCE_MEM,
 252         }, {
 253                 .start  = IRQ_MV78XX0_USB_2,
 254                 .end    = IRQ_MV78XX0_USB_2,
 255                 .flags  = IORESOURCE_IRQ,
 256         },
 257 };
 258
 259 static struct platform_device mv78xx0_ehci2 = {
 260         .name           = "orion-ehci",
 261         .id             = 2,
 262         .dev            = {
 263                 .dma_mask               = &ehci_dmamask,
 264                 .coherent_dma_mask      = 0xffffffff,
 265                 .platform_data          = &mv78xx0_ehci_data,
 266         },
 267         .resource       = mv78xx0_ehci2_resources,
 268         .num_resources  = ARRAY_SIZE(mv78xx0_ehci2_resources),
 269 };
 270
 271 void __init mv78xx0_ehci2_init(void)
 272 {
 273         platform_device_register(&mv78xx0_ehci2);
 274 }
 275
 276
 277 /*****************************************************************************
 278  * GE00
 279  ****************************************************************************/
 280 struct mv643xx_eth_shared_platform_data mv78xx0_ge00_shared_data = {
 281         .t_clk          = 0,
 282         .dram           = &mv78xx0_mbus_dram_info,
 283 };
 284
 285 static struct resource mv78xx0_ge00_shared_resources[] = {
 286         {
 287                 .name   = "ge00 base",
 288                 .start  = GE00_PHYS_BASE + 0x2000,
 289                 .end    = GE00_PHYS_BASE + 0x3fff,
 290                 .flags  = IORESOURCE_MEM,
 291         }, {
 292                 .name   = "ge err irq",
 293                 .start  = IRQ_MV78XX0_GE_ERR,
 294                 .end    = IRQ_MV78XX0_GE_ERR,
 295                 .flags  = IORESOURCE_IRQ,
 296         },
 297 };
 298
 299 static struct platform_device mv78xx0_ge00_shared = {
 300         .name           = MV643XX_ETH_SHARED_NAME,
 301         .id             = 0,
 302         .dev            = {
 303                 .platform_data  = &mv78xx0_ge00_shared_data,
 304         },
 305         .num_resources  = ARRAY_SIZE(mv78xx0_ge00_shared_resources),
 306         .resource       = mv78xx0_ge00_shared_resources,
 307 };
 308
 309 static struct resource mv78xx0_ge00_resources[] = {
 310         {
 311                 .name   = "ge00 irq",
 312                 .start  = IRQ_MV78XX0_GE00_SUM,
 313                 .end    = IRQ_MV78XX0_GE00_SUM,
 314                 .flags  = IORESOURCE_IRQ,
 315         },
 316 };
 317
 318 static struct platform_device mv78xx0_ge00 = {
 319         .name           = MV643XX_ETH_NAME,
 320         .id             = 0,
 321         .num_resources  = 1,
 322         .resource       = mv78xx0_ge00_resources,
 323 };
 324
 325 void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 326 {
 327         eth_data->shared = &mv78xx0_ge00_shared;
 328         mv78xx0_ge00.dev.platform_data = eth_data;
 329
 330         platform_device_register(&mv78xx0_ge00_shared);
 331         platform_device_register(&mv78xx0_ge00);
 332 }
 333
 334
 335 /*****************************************************************************
 336  * GE01
 337  ****************************************************************************/
 338 struct mv643xx_eth_shared_platform_data mv78xx0_ge01_shared_data = {
 339         .t_clk          = 0,
 340         .dram           = &mv78xx0_mbus_dram_info,
 341         .shared_smi     = &mv78xx0_ge00_shared,
 342 };
 343
 344 static struct resource mv78xx0_ge01_shared_resources[] = {
 345         {
 346                 .name   = "ge01 base",
 347                 .start  = GE01_PHYS_BASE + 0x2000,
 348                 .end    = GE01_PHYS_BASE + 0x3fff,
 349                 .flags  = IORESOURCE_MEM,
 350         },
 351 };
 352
 353 static struct platform_device mv78xx0_ge01_shared = {
 354         .name           = MV643XX_ETH_SHARED_NAME,
 355         .id             = 1,
 356         .dev            = {
 357                 .platform_data  = &mv78xx0_ge01_shared_data,
 358         },
 359         .num_resources  = 1,
 360         .resource       = mv78xx0_ge01_shared_resources,
 361 };
 362
 363 static struct resource mv78xx0_ge01_resources[] = {
 364         {
 365                 .name   = "ge01 irq",
 366                 .start  = IRQ_MV78XX0_GE01_SUM,
 367                 .end    = IRQ_MV78XX0_GE01_SUM,
 368                 .flags  = IORESOURCE_IRQ,
 369         },
 370 };
 371
 372 static struct platform_device mv78xx0_ge01 = {
 373         .name           = MV643XX_ETH_NAME,
 374         .id             = 1,
 375         .num_resources  = 1,
 376         .resource       = mv78xx0_ge01_resources,
 377 };
 378
 379 void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 380 {
 381         eth_data->shared = &mv78xx0_ge01_shared;
 382         mv78xx0_ge01.dev.platform_data = eth_data;
 383
 384         platform_device_register(&mv78xx0_ge01_shared);
 385         platform_device_register(&mv78xx0_ge01);
 386 }
 387
 388
 389 /*****************************************************************************
 390  * GE10
 391  ****************************************************************************/
 392 struct mv643xx_eth_shared_platform_data mv78xx0_ge10_shared_data = {
 393         .t_clk          = 0,
 394         .dram           = &mv78xx0_mbus_dram_info,
 395         .shared_smi     = &mv78xx0_ge00_shared,
 396 };
 397
 398 static struct resource mv78xx0_ge10_shared_resources[] = {
 399         {
 400                 .name   = "ge10 base",
 401                 .start  = GE10_PHYS_BASE + 0x2000,
 402                 .end    = GE10_PHYS_BASE + 0x3fff,
 403                 .flags  = IORESOURCE_MEM,
 404         },
 405 };
 406
 407 static struct platform_device mv78xx0_ge10_shared = {
 408         .name           = MV643XX_ETH_SHARED_NAME,
 409         .id             = 2,
 410         .dev            = {
 411                 .platform_data  = &mv78xx0_ge10_shared_data,
 412         },
 413         .num_resources  = 1,
 414         .resource       = mv78xx0_ge10_shared_resources,
 415 };
 416
 417 static struct resource mv78xx0_ge10_resources[] = {
 418         {
 419                 .name   = "ge10 irq",
 420                 .start  = IRQ_MV78XX0_GE10_SUM,
 421                 .end    = IRQ_MV78XX0_GE10_SUM,
 422                 .flags  = IORESOURCE_IRQ,
 423         },
 424 };
 425
 426 static struct platform_device mv78xx0_ge10 = {
 427         .name           = MV643XX_ETH_NAME,
 428         .id             = 2,
 429         .num_resources  = 1,
 430         .resource       = mv78xx0_ge10_resources,
 431 };
 432
 433 void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
 434 {
 435         u32 dev, rev;
 436
 437         eth_data->shared = &mv78xx0_ge10_shared;
 438         mv78xx0_ge10.dev.platform_data = eth_data;
 439
 440         /*
 441          * On the Z0, ge10 and ge11 are internally connected back
 442          * to back, and not brought out.
 443          */
 444         mv78xx0_pcie_id(&dev, &rev);
 445         if (dev == MV78X00_Z0_DEV_ID) {
 446                 eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
 447                 eth_data->speed = SPEED_1000;
 448                 eth_data->duplex = DUPLEX_FULL;
 449         }
 450
 451         platform_device_register(&mv78xx0_ge10_shared);
 452         platform_device_register(&mv78xx0_ge10);
 453 }
 454
 455
 456 /*****************************************************************************
 457  * GE11
 458  ****************************************************************************/
 459 struct mv643xx_eth_shared_platform_data mv78xx0_ge11_shared_data = {
 460         .t_clk          = 0,
 461         .dram           = &mv78xx0_mbus_dram_info,
 462         .shared_smi     = &mv78xx0_ge00_shared,
 463 };
 464
 465 static struct resource mv78xx0_ge11_shared_resources[] = {
 466         {
 467                 .name   = "ge11 base",
 468                 .start  = GE11_PHYS_BASE + 0x2000,
 469                 .end    = GE11_PHYS_BASE + 0x3fff,
 470                 .flags  = IORESOURCE_MEM,
 471         },
 472 };
 473
 474 static struct platform_device mv78xx0_ge11_shared = {
 475         .name           = MV643XX_ETH_SHARED_NAME,
 476         .id             = 3,
 477         .dev            = {
 478                 .platform_data  = &mv78xx0_ge11_shared_data,
 479         },
 480         .num_resources  = 1,
 481         .resource       = mv78xx0_ge11_shared_resources,
 482 };
 483
 484 static struct resource mv78xx0_ge11_resources[] = {
 485         {
 486                 .name   = "ge11 irq",
 487                 .start  = IRQ_MV78XX0_GE11_SUM,
 488                 .end    = IRQ_MV78XX0_GE11_SUM,
 489                 .flags  = IORESOURCE_IRQ,
 490         },
 491 };
 492
 493 static struct platform_device mv78xx0_ge11 = {
 494         .name           = MV643XX_ETH_NAME,
 495         .id             = 3,
 496         .num_resources  = 1,
 497         .resource       = mv78xx0_ge11_resources,
 498 };
 499
 500 void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
 501 {
 502         u32 dev, rev;
 503
 504         eth_data->shared = &mv78xx0_ge11_shared;
 505         mv78xx0_ge11.dev.platform_data = eth_data;
 506
 507         /*
 508          * On the Z0, ge10 and ge11 are internally connected back
 509          * to back, and not brought out.
 510          */
 511         mv78xx0_pcie_id(&dev, &rev);
 512         if (dev == MV78X00_Z0_DEV_ID) {
 513                 eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
 514                 eth_data->speed = SPEED_1000;
 515                 eth_data->duplex = DUPLEX_FULL;
 516         }
 517
 518         platform_device_register(&mv78xx0_ge11_shared);
 519         platform_device_register(&mv78xx0_ge11);
 520 }
 521
 522 /*****************************************************************************
 523  * I2C bus 0
 524  ****************************************************************************/
 525
 526 static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = {
 527         .freq_m         = 8, /* assumes 166 MHz TCLK */
 528         .freq_n         = 3,
 529         .timeout        = 1000, /* Default timeout of 1 second */
 530 };
 531
 532 static struct resource mv78xx0_i2c_0_resources[] = {
 533         {
 534                 .name   = "i2c 0 base",
 535                 .start  = I2C_0_PHYS_BASE,
 536                 .end    = I2C_0_PHYS_BASE + 0x1f,
 537                 .flags  = IORESOURCE_MEM,
 538         }, {
 539                 .name   = "i2c 0 irq",
 540                 .start  = IRQ_MV78XX0_I2C_0,
 541                 .end    = IRQ_MV78XX0_I2C_0,
 542                 .flags  = IORESOURCE_IRQ,
 543         },
 544 };
 545
 546
 547 static struct platform_device mv78xx0_i2c_0 = {
 548         .name           = MV64XXX_I2C_CTLR_NAME,
 549         .id             = 0,
 550         .num_resources  = ARRAY_SIZE(mv78xx0_i2c_0_resources),
 551         .resource       = mv78xx0_i2c_0_resources,
 552         .dev            = {
 553                 .platform_data  = &mv78xx0_i2c_0_pdata,
 554         },
 555 };
 556
 557 /*****************************************************************************
 558  * I2C bus 1
 559  ****************************************************************************/
 560
 561 static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = {
 562         .freq_m         = 8, /* assumes 166 MHz TCLK */
 563         .freq_n         = 3,
 564         .timeout        = 1000, /* Default timeout of 1 second */
 565 };
 566
 567 static struct resource mv78xx0_i2c_1_resources[] = {
 568         {
 569                 .name   = "i2c 1 base",
 570                 .start  = I2C_1_PHYS_BASE,
 571                 .end    = I2C_1_PHYS_BASE + 0x1f,
 572                 .flags  = IORESOURCE_MEM,
 573         }, {
 574                 .name   = "i2c 1 irq",
 575                 .start  = IRQ_MV78XX0_I2C_1,
 576                 .end    = IRQ_MV78XX0_I2C_1,
 577                 .flags  = IORESOURCE_IRQ,
 578         },
 579 };
 580
 581
 582 static struct platform_device mv78xx0_i2c_1 = {
 583         .name           = MV64XXX_I2C_CTLR_NAME,
 584         .id             = 1,
 585         .num_resources  = ARRAY_SIZE(mv78xx0_i2c_1_resources),
 586         .resource       = mv78xx0_i2c_1_resources,
 587         .dev            = {
 588                 .platform_data  = &mv78xx0_i2c_1_pdata,
 589         },
 590 };
 591
 592 void __init mv78xx0_i2c_init(void)
 593 {
 594         platform_device_register(&mv78xx0_i2c_0);
 595         platform_device_register(&mv78xx0_i2c_1);
 596 }
 597
 598 /*****************************************************************************
 599  * SATA
 600  ****************************************************************************/
 601 static struct resource mv78xx0_sata_resources[] = {
 602         {
 603                 .name   = "sata base",
 604                 .start  = SATA_PHYS_BASE,
 605                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
 606                 .flags  = IORESOURCE_MEM,
 607         }, {
 608                 .name   = "sata irq",
 609                 .start  = IRQ_MV78XX0_SATA,
 610                 .end    = IRQ_MV78XX0_SATA,
 611                 .flags  = IORESOURCE_IRQ,
 612         },
 613 };
 614
 615 static struct platform_device mv78xx0_sata = {
 616         .name           = "sata_mv",
 617         .id             = 0,
 618         .dev            = {
 619                 .coherent_dma_mask      = 0xffffffff,
 620         },
 621         .num_resources  = ARRAY_SIZE(mv78xx0_sata_resources),
 622         .resource       = mv78xx0_sata_resources,
 623 };
 624
 625 void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data)
 626 {
 627         sata_data->dram = &mv78xx0_mbus_dram_info;
 628         mv78xx0_sata.dev.platform_data = sata_data;
 629         platform_device_register(&mv78xx0_sata);
 630 }
 631
 632
 633 /*****************************************************************************
 634  * UART0
 635  ****************************************************************************/
 636 static struct plat_serial8250_port mv78xx0_uart0_data[] = {
 637         {
 638                 .mapbase        = UART0_PHYS_BASE,
 639                 .membase        = (char *)UART0_VIRT_BASE,
 640                 .irq            = IRQ_MV78XX0_UART_0,
 641                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 642                 .iotype         = UPIO_MEM,
 643                 .regshift       = 2,
 644                 .uartclk        = 0,
 645         }, {
 646         },
 647 };
 648
 649 static struct resource mv78xx0_uart0_resources[] = {
 650         {
 651                 .start          = UART0_PHYS_BASE,
 652                 .end            = UART0_PHYS_BASE + 0xff,
 653                 .flags          = IORESOURCE_MEM,
 654         }, {
 655                 .start          = IRQ_MV78XX0_UART_0,
 656                 .end            = IRQ_MV78XX0_UART_0,
 657                 .flags          = IORESOURCE_IRQ,
 658         },
 659 };
 660
 661 static struct platform_device mv78xx0_uart0 = {
 662         .name                   = "serial8250",
 663         .id                     = 0,
 664         .dev                    = {
 665                 .platform_data  = mv78xx0_uart0_data,
 666         },
 667         .resource               = mv78xx0_uart0_resources,
 668         .num_resources          = ARRAY_SIZE(mv78xx0_uart0_resources),
 669 };
 670
 671 void __init mv78xx0_uart0_init(void)
 672 {
 673         platform_device_register(&mv78xx0_uart0);
 674 }
 675
 676
 677 /*****************************************************************************
 678  * UART1
 679  ****************************************************************************/
 680 static struct plat_serial8250_port mv78xx0_uart1_data[] = {
 681         {
 682                 .mapbase        = UART1_PHYS_BASE,
 683                 .membase        = (char *)UART1_VIRT_BASE,
 684                 .irq            = IRQ_MV78XX0_UART_1,
 685                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 686                 .iotype         = UPIO_MEM,
 687                 .regshift       = 2,
 688                 .uartclk        = 0,
 689         }, {
 690         },
 691 };
 692
 693 static struct resource mv78xx0_uart1_resources[] = {
 694         {
 695                 .start          = UART1_PHYS_BASE,
 696                 .end            = UART1_PHYS_BASE + 0xff,
 697                 .flags          = IORESOURCE_MEM,
 698         }, {
 699                 .start          = IRQ_MV78XX0_UART_1,
 700                 .end            = IRQ_MV78XX0_UART_1,
 701                 .flags          = IORESOURCE_IRQ,
 702         },
 703 };
 704
 705 static struct platform_device mv78xx0_uart1 = {
 706         .name                   = "serial8250",
 707         .id                     = 1,
 708         .dev                    = {
 709                 .platform_data  = mv78xx0_uart1_data,
 710         },
 711         .resource               = mv78xx0_uart1_resources,
 712         .num_resources          = ARRAY_SIZE(mv78xx0_uart1_resources),
 713 };
 714
 715 void __init mv78xx0_uart1_init(void)
 716 {
 717         platform_device_register(&mv78xx0_uart1);
 718 }
 719
 720
 721 /*****************************************************************************
 722  * UART2
 723  ****************************************************************************/
 724 static struct plat_serial8250_port mv78xx0_uart2_data[] = {
 725         {
 726                 .mapbase        = UART2_PHYS_BASE,
 727                 .membase        = (char *)UART2_VIRT_BASE,
 728                 .irq            = IRQ_MV78XX0_UART_2,
 729                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 730                 .iotype         = UPIO_MEM,
 731                 .regshift       = 2,
 732                 .uartclk        = 0,
 733         }, {
 734         },
 735 };
 736
 737 static struct resource mv78xx0_uart2_resources[] = {
 738         {
 739                 .start          = UART2_PHYS_BASE,
 740                 .end            = UART2_PHYS_BASE + 0xff,
 741                 .flags          = IORESOURCE_MEM,
 742         }, {
 743                 .start          = IRQ_MV78XX0_UART_2,
 744                 .end            = IRQ_MV78XX0_UART_2,
 745                 .flags          = IORESOURCE_IRQ,
 746         },
 747 };
 748
 749 static struct platform_device mv78xx0_uart2 = {
 750         .name                   = "serial8250",
 751         .id                     = 2,
 752         .dev                    = {
 753                 .platform_data  = mv78xx0_uart2_data,
 754         },
 755         .resource               = mv78xx0_uart2_resources,
 756         .num_resources          = ARRAY_SIZE(mv78xx0_uart2_resources),
 757 };
 758
 759 void __init mv78xx0_uart2_init(void)
 760 {
 761         platform_device_register(&mv78xx0_uart2);
 762 }
 763
 764
 765 /*****************************************************************************
 766  * UART3
 767  ****************************************************************************/
 768 static struct plat_serial8250_port mv78xx0_uart3_data[] = {
 769         {
 770                 .mapbase        = UART3_PHYS_BASE,
 771                 .membase        = (char *)UART3_VIRT_BASE,
 772                 .irq            = IRQ_MV78XX0_UART_3,
 773                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 774                 .iotype         = UPIO_MEM,
 775                 .regshift       = 2,
 776                 .uartclk        = 0,
 777         }, {
 778         },
 779 };
 780
 781 static struct resource mv78xx0_uart3_resources[] = {
 782         {
 783                 .start          = UART3_PHYS_BASE,
 784                 .end            = UART3_PHYS_BASE + 0xff,
 785                 .flags          = IORESOURCE_MEM,
 786         }, {
 787                 .start          = IRQ_MV78XX0_UART_3,
 788                 .end            = IRQ_MV78XX0_UART_3,
 789                 .flags          = IORESOURCE_IRQ,
 790         },
 791 };
 792
 793 static struct platform_device mv78xx0_uart3 = {
 794         .name                   = "serial8250",
 795         .id                     = 3,
 796         .dev                    = {
 797                 .platform_data  = mv78xx0_uart3_data,
 798         },
 799         .resource               = mv78xx0_uart3_resources,
 800         .num_resources          = ARRAY_SIZE(mv78xx0_uart3_resources),
 801 };
 802
 803 void __init mv78xx0_uart3_init(void)
 804 {
 805         platform_device_register(&mv78xx0_uart3);
 806 }
 807
 808
 809 /*****************************************************************************
 810  * Time handling
 811  ****************************************************************************/
 812 static void mv78xx0_timer_init(void)
 813 {
 814         orion_time_init(IRQ_MV78XX0_TIMER_1, get_tclk());
 815 }
 816
 817 struct sys_timer mv78xx0_timer = {
 818         .init = mv78xx0_timer_init,
 819 };
 820
 821
 822 /*****************************************************************************
 823  * General
 824  ****************************************************************************/
 825 static char * __init mv78xx0_id(void)
 826 {
 827         u32 dev, rev;
 828
 829         mv78xx0_pcie_id(&dev, &rev);
 830
 831         if (dev == MV78X00_Z0_DEV_ID) {
 832                 if (rev == MV78X00_REV_Z0)
 833                         return "MV78X00-Z0";
 834                 else
 835                         return "MV78X00-Rev-Unsupported";
 836         } else if (dev == MV78100_DEV_ID) {
 837                 if (rev == MV78100_REV_A0)
 838                         return "MV78100-A0";
 839                 else
 840                         return "MV78100-Rev-Unsupported";
 841         } else if (dev == MV78200_DEV_ID) {
 842                 if (rev == MV78100_REV_A0)
 843                         return "MV78200-A0";
 844                 else
 845                         return "MV78200-Rev-Unsupported";
 846         } else {
 847                 return "Device-Unknown";
 848         }
 849 }
 850
 851 static int __init is_l2_writethrough(void)
 852 {
 853         return !!(readl(CPU_CONTROL) & L2_WRITETHROUGH);
 854 }
 855
 856 void __init mv78xx0_init(void)
 857 {
 858         int core_index;
 859         int hclk;
 860         int pclk;
 861         int l2clk;
 862         int tclk;
 863
 864         core_index = mv78xx0_core_index();
 865         hclk = get_hclk();
 866         get_pclk_l2clk(hclk, core_index, &pclk, &l2clk);
 867         tclk = get_tclk();
 868
 869         printk(KERN_INFO "%s ", mv78xx0_id());
 870         printk("core #%d, ", core_index);
 871         printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000);
 872         printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000);
 873         printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000);
 874         printk("TCLK = %dMHz\n", (tclk + 499999) / 1000000);
 875
 876         mv78xx0_setup_cpu_mbus();
 877
 878 #ifdef CONFIG_CACHE_FEROCEON_L2
 879         feroceon_l2_init(is_l2_writethrough());
 880 #endif
 881
 882         mv78xx0_ge00_shared_data.t_clk = tclk;
 883         mv78xx0_ge01_shared_data.t_clk = tclk;
 884         mv78xx0_ge10_shared_data.t_clk = tclk;
 885         mv78xx0_ge11_shared_data.t_clk = tclk;
 886         mv78xx0_uart0_data[0].uartclk = tclk;
 887         mv78xx0_uart1_data[0].uartclk = tclk;
 888         mv78xx0_uart2_data[0].uartclk = tclk;
 889         mv78xx0_uart3_data[0].uartclk = tclk;
 890 }