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 <mach/bridge-regs.h>
  24 #include <plat/cache-feroceon-l2.h>
  25 #include <plat/ehci-orion.h>
  26 #include <plat/orion_nand.h>
  27 #include <plat/time.h>
  28 #include "common.h"
  29
  30
  31 /*****************************************************************************
  32  * Common bits
  33  ****************************************************************************/
  34 int mv78xx0_core_index(void)
  35 {
  36         u32 extra;
  37
  38         /*
  39          * Read Extra Features register.
  40          */
  41         __asm__("mrc p15, 1, %0, c15, c1, 0" : "=r" (extra));
  42
  43         return !!(extra & 0x00004000);
  44 }
  45
  46 static int get_hclk(void)
  47 {
  48         int hclk;
  49
  50         /*
  51          * HCLK tick rate is configured by DEV_D[7:5] pins.
  52          */
  53         switch ((readl(SAMPLE_AT_RESET_LOW) >> 5) & 7) {
  54         case 0:
  55                 hclk = 166666667;
  56                 break;
  57         case 1:
  58                 hclk = 200000000;
  59                 break;
  60         case 2:
  61                 hclk = 266666667;
  62                 break;
  63         case 3:
  64                 hclk = 333333333;
  65                 break;
  66         case 4:
  67                 hclk = 400000000;
  68                 break;
  69         default:
  70                 panic("unknown HCLK PLL setting: %.8x\n",
  71                         readl(SAMPLE_AT_RESET_LOW));
  72         }
  73
  74         return hclk;
  75 }
  76
  77 static void get_pclk_l2clk(int hclk, int core_index, int *pclk, int *l2clk)
  78 {
  79         u32 cfg;
  80
  81         /*
  82          * Core #0 PCLK/L2CLK is configured by bits [13:8], core #1
  83          * PCLK/L2CLK by bits [19:14].
  84          */
  85         if (core_index == 0) {
  86                 cfg = (readl(SAMPLE_AT_RESET_LOW) >> 8) & 0x3f;
  87         } else {
  88                 cfg = (readl(SAMPLE_AT_RESET_LOW) >> 14) & 0x3f;
  89         }
  90
  91         /*
  92          * Bits [11:8] ([17:14] for core #1) configure the PCLK:HCLK
  93          * ratio (1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6).
  94          */
  95         *pclk = ((u64)hclk * (2 + (cfg & 0xf))) >> 1;
  96
  97         /*
  98          * Bits [13:12] ([19:18] for core #1) configure the PCLK:L2CLK
  99          * ratio (1, 2, 3).
 100          */
 101         *l2clk = *pclk / (((cfg >> 4) & 3) + 1);
 102 }
 103
 104 static int get_tclk(void)
 105 {
 106         int tclk;
 107
 108         /*
 109          * TCLK tick rate is configured by DEV_A[2:0] strap pins.
 110          */
 111         switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) {
 112         case 1:
 113                 tclk = 166666667;
 114                 break;
 115         case 3:
 116                 tclk = 200000000;
 117                 break;
 118         default:
 119                 panic("unknown TCLK PLL setting: %.8x\n",
 120                         readl(SAMPLE_AT_RESET_HIGH));
 121         }
 122
 123         return tclk;
 124 }
 125
 126
 127 /*****************************************************************************
 128  * I/O Address Mapping
 129  ****************************************************************************/
 130 static struct map_desc mv78xx0_io_desc[] __initdata = {
 131         {
 132                 .virtual        = MV78XX0_CORE_REGS_VIRT_BASE,
 133                 .pfn            = 0,
 134                 .length         = MV78XX0_CORE_REGS_SIZE,
 135                 .type           = MT_DEVICE,
 136         }, {
 137                 .virtual        = MV78XX0_PCIE_IO_VIRT_BASE(0),
 138                 .pfn            = __phys_to_pfn(MV78XX0_PCIE_IO_PHYS_BASE(0)),
 139                 .length         = MV78XX0_PCIE_IO_SIZE * 8,
 140                 .type           = MT_DEVICE,
 141         }, {
 142                 .virtual        = MV78XX0_REGS_VIRT_BASE,
 143                 .pfn            = __phys_to_pfn(MV78XX0_REGS_PHYS_BASE),
 144                 .length         = MV78XX0_REGS_SIZE,
 145                 .type           = MT_DEVICE,
 146         },
 147 };
 148
 149 void __init mv78xx0_map_io(void)
 150 {
 151         unsigned long phys;
 152
 153         /*
 154          * Map the right set of per-core registers depending on
 155          * which core we are running on.
 156          */
 157         if (mv78xx0_core_index() == 0) {
 158                 phys = MV78XX0_CORE0_REGS_PHYS_BASE;
 159         } else {
 160                 phys = MV78XX0_CORE1_REGS_PHYS_BASE;
 161         }
 162         mv78xx0_io_desc[0].pfn = __phys_to_pfn(phys);
 163
 164         iotable_init(mv78xx0_io_desc, ARRAY_SIZE(mv78xx0_io_desc));
 165 }
 166
 167
 168 /*****************************************************************************
 169  * EHCI
 170  ****************************************************************************/
 171 static struct orion_ehci_data mv78xx0_ehci_data = {
 172         .dram           = &mv78xx0_mbus_dram_info,
 173         .phy_version    = EHCI_PHY_NA,
 174 };
 175
 176 static u64 ehci_dmamask = 0xffffffffUL;
 177
 178
 179 /*****************************************************************************
 180  * EHCI0
 181  ****************************************************************************/
 182 static struct resource mv78xx0_ehci0_resources[] = {
 183         {
 184                 .start  = USB0_PHYS_BASE,
 185                 .end    = USB0_PHYS_BASE + 0x0fff,
 186                 .flags  = IORESOURCE_MEM,
 187         }, {
 188                 .start  = IRQ_MV78XX0_USB_0,
 189                 .end    = IRQ_MV78XX0_USB_0,
 190                 .flags  = IORESOURCE_IRQ,
 191         },
 192 };
 193
 194 static struct platform_device mv78xx0_ehci0 = {
 195         .name           = "orion-ehci",
 196         .id             = 0,
 197         .dev            = {
 198                 .dma_mask               = &ehci_dmamask,
 199                 .coherent_dma_mask      = 0xffffffff,
 200                 .platform_data          = &mv78xx0_ehci_data,
 201         },
 202         .resource       = mv78xx0_ehci0_resources,
 203         .num_resources  = ARRAY_SIZE(mv78xx0_ehci0_resources),
 204 };
 205
 206 void __init mv78xx0_ehci0_init(void)
 207 {
 208         platform_device_register(&mv78xx0_ehci0);
 209 }
 210
 211
 212 /*****************************************************************************
 213  * EHCI1
 214  ****************************************************************************/
 215 static struct resource mv78xx0_ehci1_resources[] = {
 216         {
 217                 .start  = USB1_PHYS_BASE,
 218                 .end    = USB1_PHYS_BASE + 0x0fff,
 219                 .flags  = IORESOURCE_MEM,
 220         }, {
 221                 .start  = IRQ_MV78XX0_USB_1,
 222                 .end    = IRQ_MV78XX0_USB_1,
 223                 .flags  = IORESOURCE_IRQ,
 224         },
 225 };
 226
 227 static struct platform_device mv78xx0_ehci1 = {
 228         .name           = "orion-ehci",
 229         .id             = 1,
 230         .dev            = {
 231                 .dma_mask               = &ehci_dmamask,
 232                 .coherent_dma_mask      = 0xffffffff,
 233                 .platform_data          = &mv78xx0_ehci_data,
 234         },
 235         .resource       = mv78xx0_ehci1_resources,
 236         .num_resources  = ARRAY_SIZE(mv78xx0_ehci1_resources),
 237 };
 238
 239 void __init mv78xx0_ehci1_init(void)
 240 {
 241         platform_device_register(&mv78xx0_ehci1);
 242 }
 243
 244
 245 /*****************************************************************************
 246  * EHCI2
 247  ****************************************************************************/
 248 static struct resource mv78xx0_ehci2_resources[] = {
 249         {
 250                 .start  = USB2_PHYS_BASE,
 251                 .end    = USB2_PHYS_BASE + 0x0fff,
 252                 .flags  = IORESOURCE_MEM,
 253         }, {
 254                 .start  = IRQ_MV78XX0_USB_2,
 255                 .end    = IRQ_MV78XX0_USB_2,
 256                 .flags  = IORESOURCE_IRQ,
 257         },
 258 };
 259
 260 static struct platform_device mv78xx0_ehci2 = {
 261         .name           = "orion-ehci",
 262         .id             = 2,
 263         .dev            = {
 264                 .dma_mask               = &ehci_dmamask,
 265                 .coherent_dma_mask      = 0xffffffff,
 266                 .platform_data          = &mv78xx0_ehci_data,
 267         },
 268         .resource       = mv78xx0_ehci2_resources,
 269         .num_resources  = ARRAY_SIZE(mv78xx0_ehci2_resources),
 270 };
 271
 272 void __init mv78xx0_ehci2_init(void)
 273 {
 274         platform_device_register(&mv78xx0_ehci2);
 275 }
 276
 277
 278 /*****************************************************************************
 279  * GE00
 280  ****************************************************************************/
 281 struct mv643xx_eth_shared_platform_data mv78xx0_ge00_shared_data = {
 282         .t_clk          = 0,
 283         .dram           = &mv78xx0_mbus_dram_info,
 284 };
 285
 286 static struct resource mv78xx0_ge00_shared_resources[] = {
 287         {
 288                 .name   = "ge00 base",
 289                 .start  = GE00_PHYS_BASE + 0x2000,
 290                 .end    = GE00_PHYS_BASE + 0x3fff,
 291                 .flags  = IORESOURCE_MEM,
 292         }, {
 293                 .name   = "ge err irq",
 294                 .start  = IRQ_MV78XX0_GE_ERR,
 295                 .end    = IRQ_MV78XX0_GE_ERR,
 296                 .flags  = IORESOURCE_IRQ,
 297         },
 298 };
 299
 300 static struct platform_device mv78xx0_ge00_shared = {
 301         .name           = MV643XX_ETH_SHARED_NAME,
 302         .id             = 0,
 303         .dev            = {
 304                 .platform_data  = &mv78xx0_ge00_shared_data,
 305         },
 306         .num_resources  = ARRAY_SIZE(mv78xx0_ge00_shared_resources),
 307         .resource       = mv78xx0_ge00_shared_resources,
 308 };
 309
 310 static struct resource mv78xx0_ge00_resources[] = {
 311         {
 312                 .name   = "ge00 irq",
 313                 .start  = IRQ_MV78XX0_GE00_SUM,
 314                 .end    = IRQ_MV78XX0_GE00_SUM,
 315                 .flags  = IORESOURCE_IRQ,
 316         },
 317 };
 318
 319 static struct platform_device mv78xx0_ge00 = {
 320         .name           = MV643XX_ETH_NAME,
 321         .id             = 0,
 322         .num_resources  = 1,
 323         .resource       = mv78xx0_ge00_resources,
 324 };
 325
 326 void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 327 {
 328         eth_data->shared = &mv78xx0_ge00_shared;
 329         mv78xx0_ge00.dev.platform_data = eth_data;
 330
 331         platform_device_register(&mv78xx0_ge00_shared);
 332         platform_device_register(&mv78xx0_ge00);
 333 }
 334
 335
 336 /*****************************************************************************
 337  * GE01
 338  ****************************************************************************/
 339 struct mv643xx_eth_shared_platform_data mv78xx0_ge01_shared_data = {
 340         .t_clk          = 0,
 341         .dram           = &mv78xx0_mbus_dram_info,
 342         .shared_smi     = &mv78xx0_ge00_shared,
 343 };
 344
 345 static struct resource mv78xx0_ge01_shared_resources[] = {
 346         {
 347                 .name   = "ge01 base",
 348                 .start  = GE01_PHYS_BASE + 0x2000,
 349                 .end    = GE01_PHYS_BASE + 0x3fff,
 350                 .flags  = IORESOURCE_MEM,
 351         },
 352 };
 353
 354 static struct platform_device mv78xx0_ge01_shared = {
 355         .name           = MV643XX_ETH_SHARED_NAME,
 356         .id             = 1,
 357         .dev            = {
 358                 .platform_data  = &mv78xx0_ge01_shared_data,
 359         },
 360         .num_resources  = 1,
 361         .resource       = mv78xx0_ge01_shared_resources,
 362 };
 363
 364 static struct resource mv78xx0_ge01_resources[] = {
 365         {
 366                 .name   = "ge01 irq",
 367                 .start  = IRQ_MV78XX0_GE01_SUM,
 368                 .end    = IRQ_MV78XX0_GE01_SUM,
 369                 .flags  = IORESOURCE_IRQ,
 370         },
 371 };
 372
 373 static struct platform_device mv78xx0_ge01 = {
 374         .name           = MV643XX_ETH_NAME,
 375         .id             = 1,
 376         .num_resources  = 1,
 377         .resource       = mv78xx0_ge01_resources,
 378 };
 379
 380 void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 381 {
 382         eth_data->shared = &mv78xx0_ge01_shared;
 383         mv78xx0_ge01.dev.platform_data = eth_data;
 384
 385         platform_device_register(&mv78xx0_ge01_shared);
 386         platform_device_register(&mv78xx0_ge01);
 387 }
 388
 389
 390 /*****************************************************************************
 391  * GE10
 392  ****************************************************************************/
 393 struct mv643xx_eth_shared_platform_data mv78xx0_ge10_shared_data = {
 394         .t_clk          = 0,
 395         .dram           = &mv78xx0_mbus_dram_info,
 396         .shared_smi     = &mv78xx0_ge00_shared,
 397 };
 398
 399 static struct resource mv78xx0_ge10_shared_resources[] = {
 400         {
 401                 .name   = "ge10 base",
 402                 .start  = GE10_PHYS_BASE + 0x2000,
 403                 .end    = GE10_PHYS_BASE + 0x3fff,
 404                 .flags  = IORESOURCE_MEM,
 405         },
 406 };
 407
 408 static struct platform_device mv78xx0_ge10_shared = {
 409         .name           = MV643XX_ETH_SHARED_NAME,
 410         .id             = 2,
 411         .dev            = {
 412                 .platform_data  = &mv78xx0_ge10_shared_data,
 413         },
 414         .num_resources  = 1,
 415         .resource       = mv78xx0_ge10_shared_resources,
 416 };
 417
 418 static struct resource mv78xx0_ge10_resources[] = {
 419         {
 420                 .name   = "ge10 irq",
 421                 .start  = IRQ_MV78XX0_GE10_SUM,
 422                 .end    = IRQ_MV78XX0_GE10_SUM,
 423                 .flags  = IORESOURCE_IRQ,
 424         },
 425 };
 426
 427 static struct platform_device mv78xx0_ge10 = {
 428         .name           = MV643XX_ETH_NAME,
 429         .id             = 2,
 430         .num_resources  = 1,
 431         .resource       = mv78xx0_ge10_resources,
 432 };
 433
 434 void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
 435 {
 436         u32 dev, rev;
 437
 438         eth_data->shared = &mv78xx0_ge10_shared;
 439         mv78xx0_ge10.dev.platform_data = eth_data;
 440
 441         /*
 442          * On the Z0, ge10 and ge11 are internally connected back
 443          * to back, and not brought out.
 444          */
 445         mv78xx0_pcie_id(&dev, &rev);
 446         if (dev == MV78X00_Z0_DEV_ID) {
 447                 eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
 448                 eth_data->speed = SPEED_1000;
 449                 eth_data->duplex = DUPLEX_FULL;
 450         }
 451
 452         platform_device_register(&mv78xx0_ge10_shared);
 453         platform_device_register(&mv78xx0_ge10);
 454 }
 455
 456
 457 /*****************************************************************************
 458  * GE11
 459  ****************************************************************************/
 460 struct mv643xx_eth_shared_platform_data mv78xx0_ge11_shared_data = {
 461         .t_clk          = 0,
 462         .dram           = &mv78xx0_mbus_dram_info,
 463         .shared_smi     = &mv78xx0_ge00_shared,
 464 };
 465
 466 static struct resource mv78xx0_ge11_shared_resources[] = {
 467         {
 468                 .name   = "ge11 base",
 469                 .start  = GE11_PHYS_BASE + 0x2000,
 470                 .end    = GE11_PHYS_BASE + 0x3fff,
 471                 .flags  = IORESOURCE_MEM,
 472         },
 473 };
 474
 475 static struct platform_device mv78xx0_ge11_shared = {
 476         .name           = MV643XX_ETH_SHARED_NAME,
 477         .id             = 3,
 478         .dev            = {
 479                 .platform_data  = &mv78xx0_ge11_shared_data,
 480         },
 481         .num_resources  = 1,
 482         .resource       = mv78xx0_ge11_shared_resources,
 483 };
 484
 485 static struct resource mv78xx0_ge11_resources[] = {
 486         {
 487                 .name   = "ge11 irq",
 488                 .start  = IRQ_MV78XX0_GE11_SUM,
 489                 .end    = IRQ_MV78XX0_GE11_SUM,
 490                 .flags  = IORESOURCE_IRQ,
 491         },
 492 };
 493
 494 static struct platform_device mv78xx0_ge11 = {
 495         .name           = MV643XX_ETH_NAME,
 496         .id             = 3,
 497         .num_resources  = 1,
 498         .resource       = mv78xx0_ge11_resources,
 499 };
 500
 501 void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
 502 {
 503         u32 dev, rev;
 504
 505         eth_data->shared = &mv78xx0_ge11_shared;
 506         mv78xx0_ge11.dev.platform_data = eth_data;
 507
 508         /*
 509          * On the Z0, ge10 and ge11 are internally connected back
 510          * to back, and not brought out.
 511          */
 512         mv78xx0_pcie_id(&dev, &rev);
 513         if (dev == MV78X00_Z0_DEV_ID) {
 514                 eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
 515                 eth_data->speed = SPEED_1000;
 516                 eth_data->duplex = DUPLEX_FULL;
 517         }
 518
 519         platform_device_register(&mv78xx0_ge11_shared);
 520         platform_device_register(&mv78xx0_ge11);
 521 }
 522
 523 /*****************************************************************************
 524  * I2C bus 0
 525  ****************************************************************************/
 526
 527 static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = {
 528         .freq_m         = 8, /* assumes 166 MHz TCLK */
 529         .freq_n         = 3,
 530         .timeout        = 1000, /* Default timeout of 1 second */
 531 };
 532
 533 static struct resource mv78xx0_i2c_0_resources[] = {
 534         {
 535                 .name   = "i2c 0 base",
 536                 .start  = I2C_0_PHYS_BASE,
 537                 .end    = I2C_0_PHYS_BASE + 0x1f,
 538                 .flags  = IORESOURCE_MEM,
 539         }, {
 540                 .name   = "i2c 0 irq",
 541                 .start  = IRQ_MV78XX0_I2C_0,
 542                 .end    = IRQ_MV78XX0_I2C_0,
 543                 .flags  = IORESOURCE_IRQ,
 544         },
 545 };
 546
 547
 548 static struct platform_device mv78xx0_i2c_0 = {
 549         .name           = MV64XXX_I2C_CTLR_NAME,
 550         .id             = 0,
 551         .num_resources  = ARRAY_SIZE(mv78xx0_i2c_0_resources),
 552         .resource       = mv78xx0_i2c_0_resources,
 553         .dev            = {
 554                 .platform_data  = &mv78xx0_i2c_0_pdata,
 555         },
 556 };
 557
 558 /*****************************************************************************
 559  * I2C bus 1
 560  ****************************************************************************/
 561
 562 static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = {
 563         .freq_m         = 8, /* assumes 166 MHz TCLK */
 564         .freq_n         = 3,
 565         .timeout        = 1000, /* Default timeout of 1 second */
 566 };
 567
 568 static struct resource mv78xx0_i2c_1_resources[] = {
 569         {
 570                 .name   = "i2c 1 base",
 571                 .start  = I2C_1_PHYS_BASE,
 572                 .end    = I2C_1_PHYS_BASE + 0x1f,
 573                 .flags  = IORESOURCE_MEM,
 574         }, {
 575                 .name   = "i2c 1 irq",
 576                 .start  = IRQ_MV78XX0_I2C_1,
 577                 .end    = IRQ_MV78XX0_I2C_1,
 578                 .flags  = IORESOURCE_IRQ,
 579         },
 580 };
 581
 582
 583 static struct platform_device mv78xx0_i2c_1 = {
 584         .name           = MV64XXX_I2C_CTLR_NAME,
 585         .id             = 1,
 586         .num_resources  = ARRAY_SIZE(mv78xx0_i2c_1_resources),
 587         .resource       = mv78xx0_i2c_1_resources,
 588         .dev            = {
 589                 .platform_data  = &mv78xx0_i2c_1_pdata,
 590         },
 591 };
 592
 593 void __init mv78xx0_i2c_init(void)
 594 {
 595         platform_device_register(&mv78xx0_i2c_0);
 596         platform_device_register(&mv78xx0_i2c_1);
 597 }
 598
 599 /*****************************************************************************
 600  * SATA
 601  ****************************************************************************/
 602 static struct resource mv78xx0_sata_resources[] = {
 603         {
 604                 .name   = "sata base",
 605                 .start  = SATA_PHYS_BASE,
 606                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
 607                 .flags  = IORESOURCE_MEM,
 608         }, {
 609                 .name   = "sata irq",
 610                 .start  = IRQ_MV78XX0_SATA,
 611                 .end    = IRQ_MV78XX0_SATA,
 612                 .flags  = IORESOURCE_IRQ,
 613         },
 614 };
 615
 616 static struct platform_device mv78xx0_sata = {
 617         .name           = "sata_mv",
 618         .id             = 0,
 619         .dev            = {
 620                 .coherent_dma_mask      = 0xffffffff,
 621         },
 622         .num_resources  = ARRAY_SIZE(mv78xx0_sata_resources),
 623         .resource       = mv78xx0_sata_resources,
 624 };
 625
 626 void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data)
 627 {
 628         sata_data->dram = &mv78xx0_mbus_dram_info;
 629         mv78xx0_sata.dev.platform_data = sata_data;
 630         platform_device_register(&mv78xx0_sata);
 631 }
 632
 633
 634 /*****************************************************************************
 635  * UART0
 636  ****************************************************************************/
 637 static struct plat_serial8250_port mv78xx0_uart0_data[] = {
 638         {
 639                 .mapbase        = UART0_PHYS_BASE,
 640                 .membase        = (char *)UART0_VIRT_BASE,
 641                 .irq            = IRQ_MV78XX0_UART_0,
 642                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 643                 .iotype         = UPIO_MEM,
 644                 .regshift       = 2,
 645                 .uartclk        = 0,
 646         }, {
 647         },
 648 };
 649
 650 static struct resource mv78xx0_uart0_resources[] = {
 651         {
 652                 .start          = UART0_PHYS_BASE,
 653                 .end            = UART0_PHYS_BASE + 0xff,
 654                 .flags          = IORESOURCE_MEM,
 655         }, {
 656                 .start          = IRQ_MV78XX0_UART_0,
 657                 .end            = IRQ_MV78XX0_UART_0,
 658                 .flags          = IORESOURCE_IRQ,
 659         },
 660 };
 661
 662 static struct platform_device mv78xx0_uart0 = {
 663         .name                   = "serial8250",
 664         .id                     = 0,
 665         .dev                    = {
 666                 .platform_data  = mv78xx0_uart0_data,
 667         },
 668         .resource               = mv78xx0_uart0_resources,
 669         .num_resources          = ARRAY_SIZE(mv78xx0_uart0_resources),
 670 };
 671
 672 void __init mv78xx0_uart0_init(void)
 673 {
 674         platform_device_register(&mv78xx0_uart0);
 675 }
 676
 677
 678 /*****************************************************************************
 679  * UART1
 680  ****************************************************************************/
 681 static struct plat_serial8250_port mv78xx0_uart1_data[] = {
 682         {
 683                 .mapbase        = UART1_PHYS_BASE,
 684                 .membase        = (char *)UART1_VIRT_BASE,
 685                 .irq            = IRQ_MV78XX0_UART_1,
 686                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 687                 .iotype         = UPIO_MEM,
 688                 .regshift       = 2,
 689                 .uartclk        = 0,
 690         }, {
 691         },
 692 };
 693
 694 static struct resource mv78xx0_uart1_resources[] = {
 695         {
 696                 .start          = UART1_PHYS_BASE,
 697                 .end            = UART1_PHYS_BASE + 0xff,
 698                 .flags          = IORESOURCE_MEM,
 699         }, {
 700                 .start          = IRQ_MV78XX0_UART_1,
 701                 .end            = IRQ_MV78XX0_UART_1,
 702                 .flags          = IORESOURCE_IRQ,
 703         },
 704 };
 705
 706 static struct platform_device mv78xx0_uart1 = {
 707         .name                   = "serial8250",
 708         .id                     = 1,
 709         .dev                    = {
 710                 .platform_data  = mv78xx0_uart1_data,
 711         },
 712         .resource               = mv78xx0_uart1_resources,
 713         .num_resources          = ARRAY_SIZE(mv78xx0_uart1_resources),
 714 };
 715
 716 void __init mv78xx0_uart1_init(void)
 717 {
 718         platform_device_register(&mv78xx0_uart1);
 719 }
 720
 721
 722 /*****************************************************************************
 723  * UART2
 724  ****************************************************************************/
 725 static struct plat_serial8250_port mv78xx0_uart2_data[] = {
 726         {
 727                 .mapbase        = UART2_PHYS_BASE,
 728                 .membase        = (char *)UART2_VIRT_BASE,
 729                 .irq            = IRQ_MV78XX0_UART_2,
 730                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 731                 .iotype         = UPIO_MEM,
 732                 .regshift       = 2,
 733                 .uartclk        = 0,
 734         }, {
 735         },
 736 };
 737
 738 static struct resource mv78xx0_uart2_resources[] = {
 739         {
 740                 .start          = UART2_PHYS_BASE,
 741                 .end            = UART2_PHYS_BASE + 0xff,
 742                 .flags          = IORESOURCE_MEM,
 743         }, {
 744                 .start          = IRQ_MV78XX0_UART_2,
 745                 .end            = IRQ_MV78XX0_UART_2,
 746                 .flags          = IORESOURCE_IRQ,
 747         },
 748 };
 749
 750 static struct platform_device mv78xx0_uart2 = {
 751         .name                   = "serial8250",
 752         .id                     = 2,
 753         .dev                    = {
 754                 .platform_data  = mv78xx0_uart2_data,
 755         },
 756         .resource               = mv78xx0_uart2_resources,
 757         .num_resources          = ARRAY_SIZE(mv78xx0_uart2_resources),
 758 };
 759
 760 void __init mv78xx0_uart2_init(void)
 761 {
 762         platform_device_register(&mv78xx0_uart2);
 763 }
 764
 765
 766 /*****************************************************************************
 767  * UART3
 768  ****************************************************************************/
 769 static struct plat_serial8250_port mv78xx0_uart3_data[] = {
 770         {
 771                 .mapbase        = UART3_PHYS_BASE,
 772                 .membase        = (char *)UART3_VIRT_BASE,
 773                 .irq            = IRQ_MV78XX0_UART_3,
 774                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 775                 .iotype         = UPIO_MEM,
 776                 .regshift       = 2,
 777                 .uartclk        = 0,
 778         }, {
 779         },
 780 };
 781
 782 static struct resource mv78xx0_uart3_resources[] = {
 783         {
 784                 .start          = UART3_PHYS_BASE,
 785                 .end            = UART3_PHYS_BASE + 0xff,
 786                 .flags          = IORESOURCE_MEM,
 787         }, {
 788                 .start          = IRQ_MV78XX0_UART_3,
 789                 .end            = IRQ_MV78XX0_UART_3,
 790                 .flags          = IORESOURCE_IRQ,
 791         },
 792 };
 793
 794 static struct platform_device mv78xx0_uart3 = {
 795         .name                   = "serial8250",
 796         .id                     = 3,
 797         .dev                    = {
 798                 .platform_data  = mv78xx0_uart3_data,
 799         },
 800         .resource               = mv78xx0_uart3_resources,
 801         .num_resources          = ARRAY_SIZE(mv78xx0_uart3_resources),
 802 };
 803
 804 void __init mv78xx0_uart3_init(void)
 805 {
 806         platform_device_register(&mv78xx0_uart3);
 807 }
 808
 809
 810 /*****************************************************************************
 811  * Time handling
 812  ****************************************************************************/
 813 static void mv78xx0_timer_init(void)
 814 {
 815         orion_time_init(IRQ_MV78XX0_TIMER_1, get_tclk());
 816 }
 817
 818 struct sys_timer mv78xx0_timer = {
 819         .init = mv78xx0_timer_init,
 820 };
 821
 822
 823 /*****************************************************************************
 824  * General
 825  ****************************************************************************/
 826 static char * __init mv78xx0_id(void)
 827 {
 828         u32 dev, rev;
 829
 830         mv78xx0_pcie_id(&dev, &rev);
 831
 832         if (dev == MV78X00_Z0_DEV_ID) {
 833                 if (rev == MV78X00_REV_Z0)
 834                         return "MV78X00-Z0";
 835                 else
 836                         return "MV78X00-Rev-Unsupported";
 837         } else if (dev == MV78100_DEV_ID) {
 838                 if (rev == MV78100_REV_A0)
 839                         return "MV78100-A0";
 840                 else
 841                         return "MV78100-Rev-Unsupported";
 842         } else if (dev == MV78200_DEV_ID) {
 843                 if (rev == MV78100_REV_A0)
 844                         return "MV78200-A0";
 845                 else
 846                         return "MV78200-Rev-Unsupported";
 847         } else {
 848                 return "Device-Unknown";
 849         }
 850 }
 851
 852 static int __init is_l2_writethrough(void)
 853 {
 854         return !!(readl(CPU_CONTROL) & L2_WRITETHROUGH);
 855 }
 856
 857 void __init mv78xx0_init(void)
 858 {
 859         int core_index;
 860         int hclk;
 861         int pclk;
 862         int l2clk;
 863         int tclk;
 864
 865         core_index = mv78xx0_core_index();
 866         hclk = get_hclk();
 867         get_pclk_l2clk(hclk, core_index, &pclk, &l2clk);
 868         tclk = get_tclk();
 869
 870         printk(KERN_INFO "%s ", mv78xx0_id());
 871         printk("core #%d, ", core_index);
 872         printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000);
 873         printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000);
 874         printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000);
 875         printk("TCLK = %dMHz\n", (tclk + 499999) / 1000000);
 876
 877         mv78xx0_setup_cpu_mbus();
 878
 879 #ifdef CONFIG_CACHE_FEROCEON_L2
 880         feroceon_l2_init(is_l2_writethrough());
 881 #endif
 882
 883         mv78xx0_ge00_shared_data.t_clk = tclk;
 884         mv78xx0_ge01_shared_data.t_clk = tclk;
 885         mv78xx0_ge10_shared_data.t_clk = tclk;
 886         mv78xx0_ge11_shared_data.t_clk = tclk;
 887         mv78xx0_uart0_data[0].uartclk = tclk;
 888         mv78xx0_uart1_data[0].uartclk = tclk;
 889         mv78xx0_uart2_data[0].uartclk = tclk;
 890         mv78xx0_uart3_data[0].uartclk = tclk;
 891 }