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(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
 110         if (ret != 0) {
 111                 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
 112                        TUSB6010_GPIO_ENABLE);
 113                 return;
 114         }
 115         gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
 116
 117         tusb_set_power(0);
 118
 119         ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
 120                                         TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
 121                                         TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
 122         if (ret != 0)
 123                 goto err;
 124
 125         printk(announce);
 126
 127         return;
 128
 129 err:
 130         gpio_free(TUSB6010_GPIO_ENABLE);
 131 }
 132 #else
 133
 134 static void __init n8x0_usb_init(void) {}
 135
 136 #endif /*CONFIG_USB_MUSB_TUSB6010 */
 137
 138
 139 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
 140         .turbo_mode     = 0,
 141         .single_channel = 1,
 142 };
 143
 144 static struct spi_board_info n800_spi_board_info[] __initdata = {
 145         {
 146                 .modalias       = "p54spi",
 147                 .bus_num        = 2,
 148                 .chip_select    = 0,
 149                 .max_speed_hz   = 48000000,
 150                 .controller_data = &p54spi_mcspi_config,
 151         },
 152 };
 153
 154 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 155         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 156
 157 static struct mtd_partition onenand_partitions[] = {
 158         {
 159                 .name           = "bootloader",
 160                 .offset         = 0,
 161                 .size           = 0x20000,
 162                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 163         },
 164         {
 165                 .name           = "config",
 166                 .offset         = MTDPART_OFS_APPEND,
 167                 .size           = 0x60000,
 168         },
 169         {
 170                 .name           = "kernel",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 0x200000,
 173         },
 174         {
 175                 .name           = "initfs",
 176                 .offset         = MTDPART_OFS_APPEND,
 177                 .size           = 0x400000,
 178         },
 179         {
 180                 .name           = "rootfs",
 181                 .offset         = MTDPART_OFS_APPEND,
 182                 .size           = MTDPART_SIZ_FULL,
 183         },
 184 };
 185
 186 static struct omap_onenand_platform_data board_onenand_data[] = {
 187         {
 188                 .cs             = 0,
 189                 .gpio_irq       = 26,
 190                 .parts          = onenand_partitions,
 191                 .nr_parts       = ARRAY_SIZE(onenand_partitions),
 192                 .flags          = ONENAND_SYNC_READ,
 193         }
 194 };
 195 #endif
 196
 197 #if defined(CONFIG_MENELAUS) &&                                         \
 198         (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 199
 200 /*
 201  * On both N800 and N810, only the first of the two MMC controllers is in use.
 202  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 203  * On N800, both slots are powered via Menelaus. On N810, only one of the
 204  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 205  *
 206  * VMMC                         slot 1 on both N800 and N810
 207  * VDCDC3_APE and VMCS2_APE     slot 2 on N800
 208  * GPIO23 and GPIO9             slot 2 EMMC on N810
 209  *
 210  */
 211 #define N8X0_SLOT_SWITCH_GPIO   96
 212 #define N810_EMMC_VSD_GPIO      23
 213 #define N810_EMMC_VIO_GPIO      9
 214
 215 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
 216 {
 217 #ifdef CONFIG_MMC_DEBUG
 218         dev_dbg(dev, "Choose slot %d\n", slot + 1);
 219 #endif
 220         gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
 221         return 0;
 222 }
 223
 224 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
 225                                         int power_on, int vdd)
 226 {
 227         int mV;
 228
 229 #ifdef CONFIG_MMC_DEBUG
 230         dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
 231                 power_on ? "on" : "off", vdd);
 232 #endif
 233         if (slot == 0) {
 234                 if (!power_on)
 235                         return menelaus_set_vmmc(0);
 236                 switch (1 << vdd) {
 237                 case MMC_VDD_33_34:
 238                 case MMC_VDD_32_33:
 239                 case MMC_VDD_31_32:
 240                         mV = 3100;
 241                         break;
 242                 case MMC_VDD_30_31:
 243                         mV = 3000;
 244                         break;
 245                 case MMC_VDD_28_29:
 246                         mV = 2800;
 247                         break;
 248                 case MMC_VDD_165_195:
 249                         mV = 1850;
 250                         break;
 251                 default:
 252                         BUG();
 253                 }
 254                 return menelaus_set_vmmc(mV);
 255         } else {
 256                 if (!power_on)
 257                         return menelaus_set_vdcdc(3, 0);
 258                 switch (1 << vdd) {
 259                 case MMC_VDD_33_34:
 260                 case MMC_VDD_32_33:
 261                         mV = 3300;
 262                         break;
 263                 case MMC_VDD_30_31:
 264                 case MMC_VDD_29_30:
 265                         mV = 3000;
 266                         break;
 267                 case MMC_VDD_28_29:
 268                 case MMC_VDD_27_28:
 269                         mV = 2800;
 270                         break;
 271                 case MMC_VDD_24_25:
 272                 case MMC_VDD_23_24:
 273                         mV = 2400;
 274                         break;
 275                 case MMC_VDD_22_23:
 276                 case MMC_VDD_21_22:
 277                         mV = 2200;
 278                         break;
 279                 case MMC_VDD_20_21:
 280                         mV = 2000;
 281                         break;
 282                 case MMC_VDD_165_195:
 283                         mV = 1800;
 284                         break;
 285                 default:
 286                         BUG();
 287                 }
 288                 return menelaus_set_vdcdc(3, mV);
 289         }
 290         return 0;
 291 }
 292
 293 static void n810_set_power_emmc(struct device *dev,
 294                                          int power_on)
 295 {
 296         dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
 297
 298         if (power_on) {
 299                 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
 300                 msleep(1);
 301                 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
 302                 msleep(1);
 303         } else {
 304                 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
 305                 msleep(50);
 306                 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
 307                 msleep(50);
 308         }
 309 }
 310
 311 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
 312                               int vdd)
 313 {
 314         if (machine_is_nokia_n800() || slot == 0)
 315                 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
 316
 317         n810_set_power_emmc(dev, power_on);
 318
 319         return 0;
 320 }
 321
 322 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
 323 {
 324         int r;
 325
 326         dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
 327                 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
 328         BUG_ON(slot != 0 && slot != 1);
 329         slot++;
 330         switch (bus_mode) {
 331         case MMC_BUSMODE_OPENDRAIN:
 332                 r = menelaus_set_mmc_opendrain(slot, 1);
 333                 break;
 334         case MMC_BUSMODE_PUSHPULL:
 335                 r = menelaus_set_mmc_opendrain(slot, 0);
 336                 break;
 337         default:
 338                 BUG();
 339         }
 340         if (r != 0 && printk_ratelimit())
 341                 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
 342                         slot);
 343         return r;
 344 }
 345
 346 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
 347 {
 348         slot++;
 349         BUG_ON(slot != 1 && slot != 2);
 350         if (slot == 1)
 351                 return slot1_cover_open;
 352         else
 353                 return slot2_cover_open;
 354 }
 355
 356 static void n8x0_mmc_callback(void *data, u8 card_mask)
 357 {
 358         int bit, *openp, index;
 359
 360         if (machine_is_nokia_n800()) {
 361                 bit = 1 << 1;
 362                 openp = &slot2_cover_open;
 363                 index = 1;
 364         } else {
 365                 bit = 1;
 366                 openp = &slot1_cover_open;
 367                 index = 0;
 368         }
 369
 370         if (card_mask & bit)
 371                 *openp = 1;
 372         else
 373                 *openp = 0;
 374
 375         omap_mmc_notify_cover_event(mmc_device, index, *openp);
 376 }
 377
 378 static int n8x0_mmc_late_init(struct device *dev)
 379 {
 380         int r, bit, *openp;
 381         int vs2sel;
 382
 383         mmc_device = dev;
 384
 385         r = menelaus_set_slot_sel(1);
 386         if (r < 0)
 387                 return r;
 388
 389         if (machine_is_nokia_n800())
 390                 vs2sel = 0;
 391         else
 392                 vs2sel = 2;
 393
 394         r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
 395         if (r < 0)
 396                 return r;
 397
 398         n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
 399         n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
 400
 401         r = menelaus_set_mmc_slot(1, 1, 0, 1);
 402         if (r < 0)
 403                 return r;
 404         r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
 405         if (r < 0)
 406                 return r;
 407
 408         r = menelaus_get_slot_pin_states();
 409         if (r < 0)
 410                 return r;
 411
 412         if (machine_is_nokia_n800()) {
 413                 bit = 1 << 1;
 414                 openp = &slot2_cover_open;
 415         } else {
 416                 bit = 1;
 417                 openp = &slot1_cover_open;
 418                 slot2_cover_open = 0;
 419         }
 420
 421         /* All slot pin bits seem to be inversed until first switch change */
 422         if (r == 0xf || r == (0xf & ~bit))
 423                 r = ~r;
 424
 425         if (r & bit)
 426                 *openp = 1;
 427         else
 428                 *openp = 0;
 429
 430         r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
 431
 432         return r;
 433 }
 434
 435 static void n8x0_mmc_shutdown(struct device *dev)
 436 {
 437         int vs2sel;
 438
 439         if (machine_is_nokia_n800())
 440                 vs2sel = 0;
 441         else
 442                 vs2sel = 2;
 443
 444         menelaus_set_mmc_slot(1, 0, 0, 0);
 445         menelaus_set_mmc_slot(2, 0, vs2sel, 0);
 446 }
 447
 448 static void n8x0_mmc_cleanup(struct device *dev)
 449 {
 450         menelaus_unregister_mmc_callback();
 451
 452         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 453
 454         if (machine_is_nokia_n810()) {
 455                 gpio_free(N810_EMMC_VSD_GPIO);
 456                 gpio_free(N810_EMMC_VIO_GPIO);
 457         }
 458 }
 459
 460 /*
 461  * MMC controller1 has two slots that are multiplexed via I2C.
 462  * MMC controller2 is not in use.
 463  */
 464 static struct omap_mmc_platform_data mmc1_data = {
 465         .nr_slots                       = 2,
 466         .switch_slot                    = n8x0_mmc_switch_slot,
 467         .init                           = n8x0_mmc_late_init,
 468         .cleanup                        = n8x0_mmc_cleanup,
 469         .shutdown                       = n8x0_mmc_shutdown,
 470         .max_freq                       = 24000000,
 471         .dma_mask                       = 0xffffffff,
 472         .slots[0] = {
 473                 .wires                  = 4,
 474                 .set_power              = n8x0_mmc_set_power,
 475                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 476                 .get_cover_state        = n8x0_mmc_get_cover_state,
 477                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_30_31 |
 478                                                 MMC_VDD_32_33   | MMC_VDD_33_34,
 479                 .name                   = "internal",
 480         },
 481         .slots[1] = {
 482                 .set_power              = n8x0_mmc_set_power,
 483                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 484                 .get_cover_state        = n8x0_mmc_get_cover_state,
 485                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_20_21 |
 486                                                 MMC_VDD_21_22 | MMC_VDD_22_23 |
 487                                                 MMC_VDD_23_24 | MMC_VDD_24_25 |
 488                                                 MMC_VDD_27_28 | MMC_VDD_28_29 |
 489                                                 MMC_VDD_29_30 | MMC_VDD_30_31 |
 490                                                 MMC_VDD_32_33 | MMC_VDD_33_34,
 491                 .name                   = "external",
 492         },
 493 };
 494
 495 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
 496
 497 static void __init n8x0_mmc_init(void)
 498
 499 {
 500         int err;
 501
 502         if (machine_is_nokia_n810()) {
 503                 mmc1_data.slots[0].name = "external";
 504
 505                 /*
 506                  * Some Samsung Movinand chips do not like open-ended
 507                  * multi-block reads and fall to braind-dead state
 508                  * while doing so. Reducing the number of blocks in
 509                  * the transfer or delays in clock disable do not help
 510                  */
 511                 mmc1_data.slots[1].name = "internal";
 512                 mmc1_data.slots[1].ban_openended = 1;
 513         }
 514
 515         err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
 516         if (err)
 517                 return;
 518
 519         gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
 520
 521         if (machine_is_nokia_n810()) {
 522                 err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
 523                 if (err) {
 524                         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 525                         return;
 526                 }
 527                 gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
 528
 529                 err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
 530                 if (err) {
 531                         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 532                         gpio_free(N810_EMMC_VSD_GPIO);
 533                         return;
 534                 }
 535                 gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
 536         }
 537
 538         mmc_data[0] = &mmc1_data;
 539         omap242x_init_mmc(mmc_data);
 540 }
 541 #else
 542
 543 void __init n8x0_mmc_init(void)
 544 {
 545 }
 546 #endif  /* CONFIG_MMC_OMAP */
 547
 548 #ifdef CONFIG_MENELAUS
 549
 550 static int n8x0_auto_sleep_regulators(void)
 551 {
 552         u32 val;
 553         int ret;
 554
 555         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 556                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 557                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 558                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 559
 560         ret = menelaus_set_regulator_sleep(1, val);
 561         if (ret < 0) {
 562                 printk(KERN_ERR "Could not set regulators to sleep on "
 563                         "menelaus: %u\n", ret);
 564                 return ret;
 565         }
 566         return 0;
 567 }
 568
 569 static int n8x0_auto_voltage_scale(void)
 570 {
 571         int ret;
 572
 573         ret = menelaus_set_vcore_hw(1400, 1050);
 574         if (ret < 0) {
 575                 printk(KERN_ERR "Could not set VCORE voltage on "
 576                         "menelaus: %u\n", ret);
 577                 return ret;
 578         }
 579         return 0;
 580 }
 581
 582 static int n8x0_menelaus_late_init(struct device *dev)
 583 {
 584         int ret;
 585
 586         ret = n8x0_auto_voltage_scale();
 587         if (ret < 0)
 588                 return ret;
 589         ret = n8x0_auto_sleep_regulators();
 590         if (ret < 0)
 591                 return ret;
 592         return 0;
 593 }
 594
 595 #else
 596 static int n8x0_menelaus_late_init(struct device *dev)
 597 {
 598         return 0;
 599 }
 600 #endif
 601
 602 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
 603         .late_init = n8x0_menelaus_late_init,
 604 };
 605
 606 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
 607         {
 608                 I2C_BOARD_INFO("menelaus", 0x72),
 609                 .irq = INT_24XX_SYS_NIRQ,
 610                 .platform_data = &n8x0_menelaus_platform_data,
 611         },
 612 };
 613
 614 static struct aic3x_pdata n810_aic33_data __initdata = {
 615         .gpio_reset = 118,
 616 };
 617
 618 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
 619         {
 620                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 621                 .platform_data = &n810_aic33_data,
 622         },
 623 };
 624
 625 static void __init n8x0_map_io(void)
 626 {
 627         omap2_set_globals_242x();
 628         omap242x_map_common_io();
 629 }
 630
 631 static void __init n8x0_init_early(void)
 632 {
 633         omap2_init_common_infrastructure();
 634         omap2_init_common_devices(NULL, NULL);
 635 }
 636
 637 #ifdef CONFIG_OMAP_MUX
 638 static struct omap_board_mux board_mux[] __initdata = {
 639         /* I2S codec port pins for McBSP block */
 640         OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 641         OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 642         OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 643         OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 644         { .reg_offset = OMAP_MUX_TERMINATOR },
 645 };
 646
 647 static struct omap_device_pad serial2_pads[] __initdata = {
 648         {
 649                 .name   = "uart3_rx_irrx.uart3_rx_irrx",
 650                 .flags  = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
 651                 .enable = OMAP_MUX_MODE0,
 652                 .idle   = OMAP_MUX_MODE3        /* Mux as GPIO for idle */
 653         },
 654 };
 655
 656 static inline void board_serial_init(void)
 657 {
 658         struct omap_board_data bdata;
 659
 660         bdata.flags = 0;
 661         bdata.pads = NULL;
 662         bdata.pads_cnt = 0;
 663
 664         bdata.id = 0;
 665         omap_serial_init_port(&bdata);
 666
 667         bdata.id = 1;
 668         omap_serial_init_port(&bdata);
 669
 670         bdata.id = 2;
 671         bdata.pads = serial2_pads;
 672         bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
 673         omap_serial_init_port(&bdata);
 674 }
 675
 676 #else
 677
 678 static inline void board_serial_init(void)
 679 {
 680         omap_serial_init();
 681 }
 682
 683 #endif
 684
 685 static void __init n8x0_init_machine(void)
 686 {
 687         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 688         /* FIXME: add n810 spi devices */
 689         spi_register_board_info(n800_spi_board_info,
 690                                 ARRAY_SIZE(n800_spi_board_info));
 691         omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
 692                               ARRAY_SIZE(n8x0_i2c_board_info_1));
 693         omap_register_i2c_bus(2, 400, NULL, 0);
 694         if (machine_is_nokia_n810())
 695                 i2c_register_board_info(2, n810_i2c_board_info_2,
 696                                         ARRAY_SIZE(n810_i2c_board_info_2));
 697         board_serial_init();
 698         gpmc_onenand_init(board_onenand_data);
 699         n8x0_mmc_init();
 700         n8x0_usb_init();
 701 }
 702
 703 MACHINE_START(NOKIA_N800, "Nokia N800")
 704         .boot_params    = 0x80000100,
 705         .reserve        = omap_reserve,
 706         .map_io         = n8x0_map_io,
 707         .init_early     = n8x0_init_early,
 708         .init_irq       = omap_init_irq,
 709         .init_machine   = n8x0_init_machine,
 710         .timer          = &omap_timer,
 711 MACHINE_END
 712
 713 MACHINE_START(NOKIA_N810, "Nokia N810")
 714         .boot_params    = 0x80000100,
 715         .reserve        = omap_reserve,
 716         .map_io         = n8x0_map_io,
 717         .init_early     = n8x0_init_early,
 718         .init_irq       = omap_init_irq,
 719         .init_machine   = n8x0_init_machine,
 720         .timer          = &omap_timer,
 721 MACHINE_END
 722
 723 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 724         .boot_params    = 0x80000100,
 725         .reserve        = omap_reserve,
 726         .map_io         = n8x0_map_io,
 727         .init_early     = n8x0_init_early,
 728         .init_irq       = omap_init_irq,
 729         .init_machine   = n8x0_init_machine,
 730         .timer          = &omap_timer,
 731 MACHINE_END