arch/arm/mach-omap2/board-n8x0.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-n8x0.c
   3  *
   4  * Copyright (C) 2005-2009 Nokia Corporation
   5  * Author: Juha Yrjola <juha.yrjola@nokia.com>
   6  *
   7  * Modified from mach-omap2/board-generic.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/clk.h>
  15 #include <linux/delay.h>
  16 #include <linux/gpio.h>
  17 #include <linux/init.h>
  18 #include <linux/io.h>
  19 #include <linux/stddef.h>
  20 #include <linux/i2c.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/usb/musb.h>
  23 #include <sound/tlv320aic3x.h>
  24
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach-types.h>
  27
  28 #include <plat/board.h>
  29 #include <plat/common.h>
  30 #include <plat/menelaus.h>
  31 #include <mach/irqs.h>
  32 #include <plat/mcspi.h>
  33 #include <plat/onenand.h>
  34 #include <plat/mmc.h>
  35 #include <plat/serial.h>
  36
  37 #include "mux.h"
  38
  39 static int slot1_cover_open;
  40 static int slot2_cover_open;
  41 static struct device *mmc_device;
  42
  43 #define TUSB6010_ASYNC_CS       1
  44 #define TUSB6010_SYNC_CS        4
  45 #define TUSB6010_GPIO_INT       58
  46 #define TUSB6010_GPIO_ENABLE    0
  47 #define TUSB6010_DMACHAN        0x3f
  48
  49 #ifdef CONFIG_USB_MUSB_TUSB6010
  50 /*
  51  * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
  52  * 1.5 V voltage regulators of PM companion chip. Companion chip will then
  53  * provide then PGOOD signal to TUSB6010 which will release it from reset.
  54  */
  55 static int tusb_set_power(int state)
  56 {
  57         int i, retval = 0;
  58
  59         if (state) {
  60                 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
  61                 msleep(1);
  62
  63                 /* Wait until TUSB6010 pulls INT pin down */
  64                 i = 100;
  65                 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
  66                         msleep(1);
  67                         i--;
  68                 }
  69
  70                 if (!i) {
  71                         printk(KERN_ERR "tusb: powerup failed\n");
  72                         retval = -ENODEV;
  73                 }
  74         } else {
  75                 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
  76                 msleep(10);
  77         }
  78
  79         return retval;
  80 }
  81
  82 static struct musb_hdrc_config musb_config = {
  83         .multipoint     = 1,
  84         .dyn_fifo       = 1,
  85         .num_eps        = 16,
  86         .ram_bits       = 12,
  87 };
  88
  89 static struct musb_hdrc_platform_data tusb_data = {
  90 #if defined(CONFIG_USB_MUSB_OTG)
  91         .mode           = MUSB_OTG,
  92 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
  93         .mode           = MUSB_PERIPHERAL,
  94 #else /* defined(CONFIG_USB_MUSB_HOST) */
  95         .mode           = MUSB_HOST,
  96 #endif
  97         .set_power      = tusb_set_power,
  98         .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
  99         .power          = 100,  /* Max 100 mA VBUS for host mode */
 100         .config         = &musb_config,
 101 };
 102
 103 static void __init n8x0_usb_init(void)
 104 {
 105         int ret = 0;
 106         static char     announce[] __initdata = KERN_INFO "TUSB 6010\n";
 107
 108         /* PM companion chip power control pin */
 109         ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
 110                                "TUSB6010 enable");
 111         if (ret != 0) {
 112                 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
 113                        TUSB6010_GPIO_ENABLE);
 114                 return;
 115         }
 116         tusb_set_power(0);
 117
 118         ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
 119                                         TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
 120                                         TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
 121         if (ret != 0)
 122                 goto err;
 123
 124         printk(announce);
 125
 126         return;
 127
 128 err:
 129         gpio_free(TUSB6010_GPIO_ENABLE);
 130 }
 131 #else
 132
 133 static void __init n8x0_usb_init(void) {}
 134
 135 #endif /*CONFIG_USB_MUSB_TUSB6010 */
 136
 137
 138 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
 139         .turbo_mode     = 0,
 140         .single_channel = 1,
 141 };
 142
 143 static struct spi_board_info n800_spi_board_info[] __initdata = {
 144         {
 145                 .modalias       = "p54spi",
 146                 .bus_num        = 2,
 147                 .chip_select    = 0,
 148                 .max_speed_hz   = 48000000,
 149                 .controller_data = &p54spi_mcspi_config,
 150         },
 151 };
 152
 153 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 154         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 155
 156 static struct mtd_partition onenand_partitions[] = {
 157         {
 158                 .name           = "bootloader",
 159                 .offset         = 0,
 160                 .size           = 0x20000,
 161                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 162         },
 163         {
 164                 .name           = "config",
 165                 .offset         = MTDPART_OFS_APPEND,
 166                 .size           = 0x60000,
 167         },
 168         {
 169                 .name           = "kernel",
 170                 .offset         = MTDPART_OFS_APPEND,
 171                 .size           = 0x200000,
 172         },
 173         {
 174                 .name           = "initfs",
 175                 .offset         = MTDPART_OFS_APPEND,
 176                 .size           = 0x400000,
 177         },
 178         {
 179                 .name           = "rootfs",
 180                 .offset         = MTDPART_OFS_APPEND,
 181                 .size           = MTDPART_SIZ_FULL,
 182         },
 183 };
 184
 185 static struct omap_onenand_platform_data board_onenand_data[] = {
 186         {
 187                 .cs             = 0,
 188                 .gpio_irq       = 26,
 189                 .parts          = onenand_partitions,
 190                 .nr_parts       = ARRAY_SIZE(onenand_partitions),
 191                 .flags          = ONENAND_SYNC_READ,
 192         }
 193 };
 194 #endif
 195
 196 #if defined(CONFIG_MENELAUS) &&                                         \
 197         (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 198
 199 /*
 200  * On both N800 and N810, only the first of the two MMC controllers is in use.
 201  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 202  * On N800, both slots are powered via Menelaus. On N810, only one of the
 203  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 204  *
 205  * VMMC                         slot 1 on both N800 and N810
 206  * VDCDC3_APE and VMCS2_APE     slot 2 on N800
 207  * GPIO23 and GPIO9             slot 2 EMMC on N810
 208  *
 209  */
 210 #define N8X0_SLOT_SWITCH_GPIO   96
 211 #define N810_EMMC_VSD_GPIO      23
 212 #define N810_EMMC_VIO_GPIO      9
 213
 214 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
 215 {
 216 #ifdef CONFIG_MMC_DEBUG
 217         dev_dbg(dev, "Choose slot %d\n", slot + 1);
 218 #endif
 219         gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
 220         return 0;
 221 }
 222
 223 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
 224                                         int power_on, int vdd)
 225 {
 226         int mV;
 227
 228 #ifdef CONFIG_MMC_DEBUG
 229         dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
 230                 power_on ? "on" : "off", vdd);
 231 #endif
 232         if (slot == 0) {
 233                 if (!power_on)
 234                         return menelaus_set_vmmc(0);
 235                 switch (1 << vdd) {
 236                 case MMC_VDD_33_34:
 237                 case MMC_VDD_32_33:
 238                 case MMC_VDD_31_32:
 239                         mV = 3100;
 240                         break;
 241                 case MMC_VDD_30_31:
 242                         mV = 3000;
 243                         break;
 244                 case MMC_VDD_28_29:
 245                         mV = 2800;
 246                         break;
 247                 case MMC_VDD_165_195:
 248                         mV = 1850;
 249                         break;
 250                 default:
 251                         BUG();
 252                 }
 253                 return menelaus_set_vmmc(mV);
 254         } else {
 255                 if (!power_on)
 256                         return menelaus_set_vdcdc(3, 0);
 257                 switch (1 << vdd) {
 258                 case MMC_VDD_33_34:
 259                 case MMC_VDD_32_33:
 260                         mV = 3300;
 261                         break;
 262                 case MMC_VDD_30_31:
 263                 case MMC_VDD_29_30:
 264                         mV = 3000;
 265                         break;
 266                 case MMC_VDD_28_29:
 267                 case MMC_VDD_27_28:
 268                         mV = 2800;
 269                         break;
 270                 case MMC_VDD_24_25:
 271                 case MMC_VDD_23_24:
 272                         mV = 2400;
 273                         break;
 274                 case MMC_VDD_22_23:
 275                 case MMC_VDD_21_22:
 276                         mV = 2200;
 277                         break;
 278                 case MMC_VDD_20_21:
 279                         mV = 2000;
 280                         break;
 281                 case MMC_VDD_165_195:
 282                         mV = 1800;
 283                         break;
 284                 default:
 285                         BUG();
 286                 }
 287                 return menelaus_set_vdcdc(3, mV);
 288         }
 289         return 0;
 290 }
 291
 292 static void n810_set_power_emmc(struct device *dev,
 293                                          int power_on)
 294 {
 295         dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
 296
 297         if (power_on) {
 298                 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
 299                 msleep(1);
 300                 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
 301                 msleep(1);
 302         } else {
 303                 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
 304                 msleep(50);
 305                 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
 306                 msleep(50);
 307         }
 308 }
 309
 310 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
 311                               int vdd)
 312 {
 313         if (machine_is_nokia_n800() || slot == 0)
 314                 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
 315
 316         n810_set_power_emmc(dev, power_on);
 317
 318         return 0;
 319 }
 320
 321 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
 322 {
 323         int r;
 324
 325         dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
 326                 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
 327         BUG_ON(slot != 0 && slot != 1);
 328         slot++;
 329         switch (bus_mode) {
 330         case MMC_BUSMODE_OPENDRAIN:
 331                 r = menelaus_set_mmc_opendrain(slot, 1);
 332                 break;
 333         case MMC_BUSMODE_PUSHPULL:
 334                 r = menelaus_set_mmc_opendrain(slot, 0);
 335                 break;
 336         default:
 337                 BUG();
 338         }
 339         if (r != 0 && printk_ratelimit())
 340                 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
 341                         slot);
 342         return r;
 343 }
 344
 345 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
 346 {
 347         slot++;
 348         BUG_ON(slot != 1 && slot != 2);
 349         if (slot == 1)
 350                 return slot1_cover_open;
 351         else
 352                 return slot2_cover_open;
 353 }
 354
 355 static void n8x0_mmc_callback(void *data, u8 card_mask)
 356 {
 357         int bit, *openp, index;
 358
 359         if (machine_is_nokia_n800()) {
 360                 bit = 1 << 1;
 361                 openp = &slot2_cover_open;
 362                 index = 1;
 363         } else {
 364                 bit = 1;
 365                 openp = &slot1_cover_open;
 366                 index = 0;
 367         }
 368
 369         if (card_mask & bit)
 370                 *openp = 1;
 371         else
 372                 *openp = 0;
 373
 374         omap_mmc_notify_cover_event(mmc_device, index, *openp);
 375 }
 376
 377 static int n8x0_mmc_late_init(struct device *dev)
 378 {
 379         int r, bit, *openp;
 380         int vs2sel;
 381
 382         mmc_device = dev;
 383
 384         r = menelaus_set_slot_sel(1);
 385         if (r < 0)
 386                 return r;
 387
 388         if (machine_is_nokia_n800())
 389                 vs2sel = 0;
 390         else
 391                 vs2sel = 2;
 392
 393         r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
 394         if (r < 0)
 395                 return r;
 396
 397         n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
 398         n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
 399
 400         r = menelaus_set_mmc_slot(1, 1, 0, 1);
 401         if (r < 0)
 402                 return r;
 403         r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
 404         if (r < 0)
 405                 return r;
 406
 407         r = menelaus_get_slot_pin_states();
 408         if (r < 0)
 409                 return r;
 410
 411         if (machine_is_nokia_n800()) {
 412                 bit = 1 << 1;
 413                 openp = &slot2_cover_open;
 414         } else {
 415                 bit = 1;
 416                 openp = &slot1_cover_open;
 417                 slot2_cover_open = 0;
 418         }
 419
 420         /* All slot pin bits seem to be inversed until first switch change */
 421         if (r == 0xf || r == (0xf & ~bit))
 422                 r = ~r;
 423
 424         if (r & bit)
 425                 *openp = 1;
 426         else
 427                 *openp = 0;
 428
 429         r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
 430
 431         return r;
 432 }
 433
 434 static void n8x0_mmc_shutdown(struct device *dev)
 435 {
 436         int vs2sel;
 437
 438         if (machine_is_nokia_n800())
 439                 vs2sel = 0;
 440         else
 441                 vs2sel = 2;
 442
 443         menelaus_set_mmc_slot(1, 0, 0, 0);
 444         menelaus_set_mmc_slot(2, 0, vs2sel, 0);
 445 }
 446
 447 static void n8x0_mmc_cleanup(struct device *dev)
 448 {
 449         menelaus_unregister_mmc_callback();
 450
 451         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 452
 453         if (machine_is_nokia_n810()) {
 454                 gpio_free(N810_EMMC_VSD_GPIO);
 455                 gpio_free(N810_EMMC_VIO_GPIO);
 456         }
 457 }
 458
 459 /*
 460  * MMC controller1 has two slots that are multiplexed via I2C.
 461  * MMC controller2 is not in use.
 462  */
 463 static struct omap_mmc_platform_data mmc1_data = {
 464         .nr_slots                       = 2,
 465         .switch_slot                    = n8x0_mmc_switch_slot,
 466         .init                           = n8x0_mmc_late_init,
 467         .cleanup                        = n8x0_mmc_cleanup,
 468         .shutdown                       = n8x0_mmc_shutdown,
 469         .max_freq                       = 24000000,
 470         .dma_mask                       = 0xffffffff,
 471         .slots[0] = {
 472                 .wires                  = 4,
 473                 .set_power              = n8x0_mmc_set_power,
 474                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 475                 .get_cover_state        = n8x0_mmc_get_cover_state,
 476                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_30_31 |
 477                                                 MMC_VDD_32_33   | MMC_VDD_33_34,
 478                 .name                   = "internal",
 479         },
 480         .slots[1] = {
 481                 .set_power              = n8x0_mmc_set_power,
 482                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 483                 .get_cover_state        = n8x0_mmc_get_cover_state,
 484                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_20_21 |
 485                                                 MMC_VDD_21_22 | MMC_VDD_22_23 |
 486                                                 MMC_VDD_23_24 | MMC_VDD_24_25 |
 487                                                 MMC_VDD_27_28 | MMC_VDD_28_29 |
 488                                                 MMC_VDD_29_30 | MMC_VDD_30_31 |
 489                                                 MMC_VDD_32_33 | MMC_VDD_33_34,
 490                 .name                   = "external",
 491         },
 492 };
 493
 494 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
 495
 496 static struct gpio n810_emmc_gpios[] __initdata = {
 497         { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
 498         { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
 499 };
 500
 501 static void __init n8x0_mmc_init(void)
 502 {
 503         int err;
 504
 505         if (machine_is_nokia_n810()) {
 506                 mmc1_data.slots[0].name = "external";
 507
 508                 /*
 509                  * Some Samsung Movinand chips do not like open-ended
 510                  * multi-block reads and fall to braind-dead state
 511                  * while doing so. Reducing the number of blocks in
 512                  * the transfer or delays in clock disable do not help
 513                  */
 514                 mmc1_data.slots[1].name = "internal";
 515                 mmc1_data.slots[1].ban_openended = 1;
 516         }
 517
 518         err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
 519                                "MMC slot switch");
 520         if (err)
 521                 return;
 522
 523         if (machine_is_nokia_n810()) {
 524                 err = gpio_request_array(n810_emmc_gpios,
 525                                          ARRAY_SIZE(n810_emmc_gpios));
 526                 if (err) {
 527                         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 528                         return;
 529                 }
 530         }
 531
 532         mmc_data[0] = &mmc1_data;
 533         omap242x_init_mmc(mmc_data);
 534 }
 535 #else
 536
 537 void __init n8x0_mmc_init(void)
 538 {
 539 }
 540 #endif  /* CONFIG_MMC_OMAP */
 541
 542 #ifdef CONFIG_MENELAUS
 543
 544 static int n8x0_auto_sleep_regulators(void)
 545 {
 546         u32 val;
 547         int ret;
 548
 549         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 550                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 551                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 552                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 553
 554         ret = menelaus_set_regulator_sleep(1, val);
 555         if (ret < 0) {
 556                 printk(KERN_ERR "Could not set regulators to sleep on "
 557                         "menelaus: %u\n", ret);
 558                 return ret;
 559         }
 560         return 0;
 561 }
 562
 563 static int n8x0_auto_voltage_scale(void)
 564 {
 565         int ret;
 566
 567         ret = menelaus_set_vcore_hw(1400, 1050);
 568         if (ret < 0) {
 569                 printk(KERN_ERR "Could not set VCORE voltage on "
 570                         "menelaus: %u\n", ret);
 571                 return ret;
 572         }
 573         return 0;
 574 }
 575
 576 static int n8x0_menelaus_late_init(struct device *dev)
 577 {
 578         int ret;
 579
 580         ret = n8x0_auto_voltage_scale();
 581         if (ret < 0)
 582                 return ret;
 583         ret = n8x0_auto_sleep_regulators();
 584         if (ret < 0)
 585                 return ret;
 586         return 0;
 587 }
 588
 589 #else
 590 static int n8x0_menelaus_late_init(struct device *dev)
 591 {
 592         return 0;
 593 }
 594 #endif
 595
 596 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
 597         .late_init = n8x0_menelaus_late_init,
 598 };
 599
 600 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
 601         {
 602                 I2C_BOARD_INFO("menelaus", 0x72),
 603                 .irq = INT_24XX_SYS_NIRQ,
 604                 .platform_data = &n8x0_menelaus_platform_data,
 605         },
 606 };
 607
 608 static struct aic3x_pdata n810_aic33_data __initdata = {
 609         .gpio_reset = 118,
 610 };
 611
 612 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
 613         {
 614                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 615                 .platform_data = &n810_aic33_data,
 616         },
 617 };
 618
 619 static void __init n8x0_map_io(void)
 620 {
 621         omap2_set_globals_242x();
 622         omap242x_map_common_io();
 623 }
 624
 625 static void __init n8x0_init_early(void)
 626 {
 627         omap2_init_common_infrastructure();
 628         omap2_init_common_devices(NULL, NULL);
 629 }
 630
 631 #ifdef CONFIG_OMAP_MUX
 632 static struct omap_board_mux board_mux[] __initdata = {
 633         /* I2S codec port pins for McBSP block */
 634         OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 635         OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 636         OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 637         OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 638         { .reg_offset = OMAP_MUX_TERMINATOR },
 639 };
 640
 641 static struct omap_device_pad serial2_pads[] __initdata = {
 642         {
 643                 .name   = "uart3_rx_irrx.uart3_rx_irrx",
 644                 .flags  = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
 645                 .enable = OMAP_MUX_MODE0,
 646                 .idle   = OMAP_MUX_MODE3        /* Mux as GPIO for idle */
 647         },
 648 };
 649
 650 static inline void board_serial_init(void)
 651 {
 652         struct omap_board_data bdata;
 653
 654         bdata.flags = 0;
 655         bdata.pads = NULL;
 656         bdata.pads_cnt = 0;
 657
 658         bdata.id = 0;
 659         omap_serial_init_port(&bdata);
 660
 661         bdata.id = 1;
 662         omap_serial_init_port(&bdata);
 663
 664         bdata.id = 2;
 665         bdata.pads = serial2_pads;
 666         bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
 667         omap_serial_init_port(&bdata);
 668 }
 669
 670 #else
 671
 672 static inline void board_serial_init(void)
 673 {
 674         omap_serial_init();
 675 }
 676
 677 #endif
 678
 679 static void __init n8x0_init_machine(void)
 680 {
 681         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 682         /* FIXME: add n810 spi devices */
 683         spi_register_board_info(n800_spi_board_info,
 684                                 ARRAY_SIZE(n800_spi_board_info));
 685         omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
 686                               ARRAY_SIZE(n8x0_i2c_board_info_1));
 687         omap_register_i2c_bus(2, 400, NULL, 0);
 688         if (machine_is_nokia_n810())
 689                 i2c_register_board_info(2, n810_i2c_board_info_2,
 690                                         ARRAY_SIZE(n810_i2c_board_info_2));
 691         board_serial_init();
 692         gpmc_onenand_init(board_onenand_data);
 693         n8x0_mmc_init();
 694         n8x0_usb_init();
 695 }
 696
 697 MACHINE_START(NOKIA_N800, "Nokia N800")
 698         .atag_offset    = 0x100,
 699         .reserve        = omap_reserve,
 700         .map_io         = n8x0_map_io,
 701         .init_early     = n8x0_init_early,
 702         .init_irq       = omap2_init_irq,
 703         .init_machine   = n8x0_init_machine,
 704         .timer          = &omap2_timer,
 705 MACHINE_END
 706
 707 MACHINE_START(NOKIA_N810, "Nokia N810")
 708         .atag_offset    = 0x100,
 709         .reserve        = omap_reserve,
 710         .map_io         = n8x0_map_io,
 711         .init_early     = n8x0_init_early,
 712         .init_irq       = omap2_init_irq,
 713         .init_machine   = n8x0_init_machine,
 714         .timer          = &omap2_timer,
 715 MACHINE_END
 716
 717 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 718         .atag_offset    = 0x100,
 719         .reserve        = omap_reserve,
 720         .map_io         = n8x0_map_io,
 721         .init_early     = n8x0_init_early,
 722         .init_irq       = omap2_init_irq,
 723         .init_machine   = n8x0_init_machine,
 724         .timer          = &omap2_timer,
 725 MACHINE_END