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/irq.h>
  20 #include <linux/stddef.h>
  21 #include <linux/i2c.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/usb/musb.h>
  24 #include <linux/platform_data/i2c-cbus-gpio.h>
  25 #include <linux/platform_data/spi-omap2-mcspi.h>
  26 #include <linux/platform_data/mtd-onenand-omap2.h>
  27 #include <linux/mfd/menelaus.h>
  28 #include <sound/tlv320aic3x.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach-types.h>
  32
  33 #include "common.h"
  34 #include "mmc.h"
  35
  36 #include "mux.h"
  37 #include "gpmc-onenand.h"
  38
  39 #define TUSB6010_ASYNC_CS       1
  40 #define TUSB6010_SYNC_CS        4
  41 #define TUSB6010_GPIO_INT       58
  42 #define TUSB6010_GPIO_ENABLE    0
  43 #define TUSB6010_DMACHAN        0x3f
  44
  45 #if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
  46 static struct i2c_cbus_platform_data n8x0_cbus_data = {
  47         .clk_gpio = 66,
  48         .dat_gpio = 65,
  49         .sel_gpio = 64,
  50 };
  51
  52 static struct platform_device n8x0_cbus_device = {
  53         .name   = "i2c-cbus-gpio",
  54         .id     = 3,
  55         .dev    = {
  56                 .platform_data = &n8x0_cbus_data,
  57         },
  58 };
  59
  60 static struct i2c_board_info n8x0_i2c_board_info_3[] __initdata = {
  61         {
  62                 I2C_BOARD_INFO("retu-mfd", 0x01),
  63         },
  64 };
  65
  66 static void __init n8x0_cbus_init(void)
  67 {
  68         const int retu_irq_gpio = 108;
  69
  70         if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
  71                 return;
  72         irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
  73         n8x0_i2c_board_info_3[0].irq = gpio_to_irq(retu_irq_gpio);
  74         i2c_register_board_info(3, n8x0_i2c_board_info_3,
  75                                 ARRAY_SIZE(n8x0_i2c_board_info_3));
  76         platform_device_register(&n8x0_cbus_device);
  77 }
  78 #else /* CONFIG_I2C_CBUS_GPIO */
  79 static void __init n8x0_cbus_init(void)
  80 {
  81 }
  82 #endif /* CONFIG_I2C_CBUS_GPIO */
  83
  84 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
  85 /*
  86  * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
  87  * 1.5 V voltage regulators of PM companion chip. Companion chip will then
  88  * provide then PGOOD signal to TUSB6010 which will release it from reset.
  89  */
  90 static int tusb_set_power(int state)
  91 {
  92         int i, retval = 0;
  93
  94         if (state) {
  95                 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
  96                 msleep(1);
  97
  98                 /* Wait until TUSB6010 pulls INT pin down */
  99                 i = 100;
 100                 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
 101                         msleep(1);
 102                         i--;
 103                 }
 104
 105                 if (!i) {
 106                         printk(KERN_ERR "tusb: powerup failed\n");
 107                         retval = -ENODEV;
 108                 }
 109         } else {
 110                 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
 111                 msleep(10);
 112         }
 113
 114         return retval;
 115 }
 116
 117 static struct musb_hdrc_config musb_config = {
 118         .multipoint     = 1,
 119         .dyn_fifo       = 1,
 120         .num_eps        = 16,
 121         .ram_bits       = 12,
 122 };
 123
 124 static struct musb_hdrc_platform_data tusb_data = {
 125 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
 126         .mode           = MUSB_OTG,
 127 #else
 128         .mode           = MUSB_HOST,
 129 #endif
 130         .set_power      = tusb_set_power,
 131         .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
 132         .power          = 100,  /* Max 100 mA VBUS for host mode */
 133         .config         = &musb_config,
 134 };
 135
 136 static void __init n8x0_usb_init(void)
 137 {
 138         int ret = 0;
 139         static char     announce[] __initdata = KERN_INFO "TUSB 6010\n";
 140
 141         /* PM companion chip power control pin */
 142         ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
 143                                "TUSB6010 enable");
 144         if (ret != 0) {
 145                 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
 146                        TUSB6010_GPIO_ENABLE);
 147                 return;
 148         }
 149         tusb_set_power(0);
 150
 151         ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
 152                                         TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
 153                                         TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
 154         if (ret != 0)
 155                 goto err;
 156
 157         printk(announce);
 158
 159         return;
 160
 161 err:
 162         gpio_free(TUSB6010_GPIO_ENABLE);
 163 }
 164 #else
 165
 166 static void __init n8x0_usb_init(void) {}
 167
 168 #endif /*CONFIG_USB_MUSB_TUSB6010 */
 169
 170
 171 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
 172         .turbo_mode     = 0,
 173 };
 174
 175 static struct spi_board_info n800_spi_board_info[] __initdata = {
 176         {
 177                 .modalias       = "p54spi",
 178                 .bus_num        = 2,
 179                 .chip_select    = 0,
 180                 .max_speed_hz   = 48000000,
 181                 .controller_data = &p54spi_mcspi_config,
 182         },
 183 };
 184
 185 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 186         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 187
 188 static struct mtd_partition onenand_partitions[] = {
 189         {
 190                 .name           = "bootloader",
 191                 .offset         = 0,
 192                 .size           = 0x20000,
 193                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 194         },
 195         {
 196                 .name           = "config",
 197                 .offset         = MTDPART_OFS_APPEND,
 198                 .size           = 0x60000,
 199         },
 200         {
 201                 .name           = "kernel",
 202                 .offset         = MTDPART_OFS_APPEND,
 203                 .size           = 0x200000,
 204         },
 205         {
 206                 .name           = "initfs",
 207                 .offset         = MTDPART_OFS_APPEND,
 208                 .size           = 0x400000,
 209         },
 210         {
 211                 .name           = "rootfs",
 212                 .offset         = MTDPART_OFS_APPEND,
 213                 .size           = MTDPART_SIZ_FULL,
 214         },
 215 };
 216
 217 static struct omap_onenand_platform_data board_onenand_data[] = {
 218         {
 219                 .cs             = 0,
 220                 .gpio_irq       = 26,
 221                 .parts          = onenand_partitions,
 222                 .nr_parts       = ARRAY_SIZE(onenand_partitions),
 223                 .flags          = ONENAND_SYNC_READ,
 224         }
 225 };
 226 #endif
 227
 228 #if defined(CONFIG_MENELAUS) &&                                         \
 229         (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 230
 231 /*
 232  * On both N800 and N810, only the first of the two MMC controllers is in use.
 233  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 234  * On N800, both slots are powered via Menelaus. On N810, only one of the
 235  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 236  *
 237  * VMMC                         slot 1 on both N800 and N810
 238  * VDCDC3_APE and VMCS2_APE     slot 2 on N800
 239  * GPIO23 and GPIO9             slot 2 EMMC on N810
 240  *
 241  */
 242 #define N8X0_SLOT_SWITCH_GPIO   96
 243 #define N810_EMMC_VSD_GPIO      23
 244 #define N810_EMMC_VIO_GPIO      9
 245
 246 static int slot1_cover_open;
 247 static int slot2_cover_open;
 248 static struct device *mmc_device;
 249
 250 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
 251 {
 252 #ifdef CONFIG_MMC_DEBUG
 253         dev_dbg(dev, "Choose slot %d\n", slot + 1);
 254 #endif
 255         gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
 256         return 0;
 257 }
 258
 259 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
 260                                         int power_on, int vdd)
 261 {
 262         int mV;
 263
 264 #ifdef CONFIG_MMC_DEBUG
 265         dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
 266                 power_on ? "on" : "off", vdd);
 267 #endif
 268         if (slot == 0) {
 269                 if (!power_on)
 270                         return menelaus_set_vmmc(0);
 271                 switch (1 << vdd) {
 272                 case MMC_VDD_33_34:
 273                 case MMC_VDD_32_33:
 274                 case MMC_VDD_31_32:
 275                         mV = 3100;
 276                         break;
 277                 case MMC_VDD_30_31:
 278                         mV = 3000;
 279                         break;
 280                 case MMC_VDD_28_29:
 281                         mV = 2800;
 282                         break;
 283                 case MMC_VDD_165_195:
 284                         mV = 1850;
 285                         break;
 286                 default:
 287                         BUG();
 288                 }
 289                 return menelaus_set_vmmc(mV);
 290         } else {
 291                 if (!power_on)
 292                         return menelaus_set_vdcdc(3, 0);
 293                 switch (1 << vdd) {
 294                 case MMC_VDD_33_34:
 295                 case MMC_VDD_32_33:
 296                         mV = 3300;
 297                         break;
 298                 case MMC_VDD_30_31:
 299                 case MMC_VDD_29_30:
 300                         mV = 3000;
 301                         break;
 302                 case MMC_VDD_28_29:
 303                 case MMC_VDD_27_28:
 304                         mV = 2800;
 305                         break;
 306                 case MMC_VDD_24_25:
 307                 case MMC_VDD_23_24:
 308                         mV = 2400;
 309                         break;
 310                 case MMC_VDD_22_23:
 311                 case MMC_VDD_21_22:
 312                         mV = 2200;
 313                         break;
 314                 case MMC_VDD_20_21:
 315                         mV = 2000;
 316                         break;
 317                 case MMC_VDD_165_195:
 318                         mV = 1800;
 319                         break;
 320                 default:
 321                         BUG();
 322                 }
 323                 return menelaus_set_vdcdc(3, mV);
 324         }
 325         return 0;
 326 }
 327
 328 static void n810_set_power_emmc(struct device *dev,
 329                                          int power_on)
 330 {
 331         dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
 332
 333         if (power_on) {
 334                 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
 335                 msleep(1);
 336                 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
 337                 msleep(1);
 338         } else {
 339                 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
 340                 msleep(50);
 341                 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
 342                 msleep(50);
 343         }
 344 }
 345
 346 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
 347                               int vdd)
 348 {
 349         if (machine_is_nokia_n800() || slot == 0)
 350                 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
 351
 352         n810_set_power_emmc(dev, power_on);
 353
 354         return 0;
 355 }
 356
 357 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
 358 {
 359         int r;
 360
 361         dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
 362                 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
 363         BUG_ON(slot != 0 && slot != 1);
 364         slot++;
 365         switch (bus_mode) {
 366         case MMC_BUSMODE_OPENDRAIN:
 367                 r = menelaus_set_mmc_opendrain(slot, 1);
 368                 break;
 369         case MMC_BUSMODE_PUSHPULL:
 370                 r = menelaus_set_mmc_opendrain(slot, 0);
 371                 break;
 372         default:
 373                 BUG();
 374         }
 375         if (r != 0 && printk_ratelimit())
 376                 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
 377                         slot);
 378         return r;
 379 }
 380
 381 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
 382 {
 383         slot++;
 384         BUG_ON(slot != 1 && slot != 2);
 385         if (slot == 1)
 386                 return slot1_cover_open;
 387         else
 388                 return slot2_cover_open;
 389 }
 390
 391 static void n8x0_mmc_callback(void *data, u8 card_mask)
 392 {
 393         int bit, *openp, index;
 394
 395         if (machine_is_nokia_n800()) {
 396                 bit = 1 << 1;
 397                 openp = &slot2_cover_open;
 398                 index = 1;
 399         } else {
 400                 bit = 1;
 401                 openp = &slot1_cover_open;
 402                 index = 0;
 403         }
 404
 405         if (card_mask & bit)
 406                 *openp = 1;
 407         else
 408                 *openp = 0;
 409
 410 #ifdef CONFIG_MMC_OMAP
 411         omap_mmc_notify_cover_event(mmc_device, index, *openp);
 412 #else
 413         pr_warn("MMC: notify cover event not available\n");
 414 #endif
 415 }
 416
 417 static int n8x0_mmc_late_init(struct device *dev)
 418 {
 419         int r, bit, *openp;
 420         int vs2sel;
 421
 422         mmc_device = dev;
 423
 424         r = menelaus_set_slot_sel(1);
 425         if (r < 0)
 426                 return r;
 427
 428         if (machine_is_nokia_n800())
 429                 vs2sel = 0;
 430         else
 431                 vs2sel = 2;
 432
 433         r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
 434         if (r < 0)
 435                 return r;
 436
 437         n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
 438         n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
 439
 440         r = menelaus_set_mmc_slot(1, 1, 0, 1);
 441         if (r < 0)
 442                 return r;
 443         r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
 444         if (r < 0)
 445                 return r;
 446
 447         r = menelaus_get_slot_pin_states();
 448         if (r < 0)
 449                 return r;
 450
 451         if (machine_is_nokia_n800()) {
 452                 bit = 1 << 1;
 453                 openp = &slot2_cover_open;
 454         } else {
 455                 bit = 1;
 456                 openp = &slot1_cover_open;
 457                 slot2_cover_open = 0;
 458         }
 459
 460         /* All slot pin bits seem to be inversed until first switch change */
 461         if (r == 0xf || r == (0xf & ~bit))
 462                 r = ~r;
 463
 464         if (r & bit)
 465                 *openp = 1;
 466         else
 467                 *openp = 0;
 468
 469         r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
 470
 471         return r;
 472 }
 473
 474 static void n8x0_mmc_shutdown(struct device *dev)
 475 {
 476         int vs2sel;
 477
 478         if (machine_is_nokia_n800())
 479                 vs2sel = 0;
 480         else
 481                 vs2sel = 2;
 482
 483         menelaus_set_mmc_slot(1, 0, 0, 0);
 484         menelaus_set_mmc_slot(2, 0, vs2sel, 0);
 485 }
 486
 487 static void n8x0_mmc_cleanup(struct device *dev)
 488 {
 489         menelaus_unregister_mmc_callback();
 490
 491         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 492
 493         if (machine_is_nokia_n810()) {
 494                 gpio_free(N810_EMMC_VSD_GPIO);
 495                 gpio_free(N810_EMMC_VIO_GPIO);
 496         }
 497 }
 498
 499 /*
 500  * MMC controller1 has two slots that are multiplexed via I2C.
 501  * MMC controller2 is not in use.
 502  */
 503 static struct omap_mmc_platform_data mmc1_data = {
 504         .nr_slots                       = 2,
 505         .switch_slot                    = n8x0_mmc_switch_slot,
 506         .init                           = n8x0_mmc_late_init,
 507         .cleanup                        = n8x0_mmc_cleanup,
 508         .shutdown                       = n8x0_mmc_shutdown,
 509         .max_freq                       = 24000000,
 510         .slots[0] = {
 511                 .wires                  = 4,
 512                 .set_power              = n8x0_mmc_set_power,
 513                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 514                 .get_cover_state        = n8x0_mmc_get_cover_state,
 515                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_30_31 |
 516                                                 MMC_VDD_32_33   | MMC_VDD_33_34,
 517                 .name                   = "internal",
 518         },
 519         .slots[1] = {
 520                 .set_power              = n8x0_mmc_set_power,
 521                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 522                 .get_cover_state        = n8x0_mmc_get_cover_state,
 523                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_20_21 |
 524                                                 MMC_VDD_21_22 | MMC_VDD_22_23 |
 525                                                 MMC_VDD_23_24 | MMC_VDD_24_25 |
 526                                                 MMC_VDD_27_28 | MMC_VDD_28_29 |
 527                                                 MMC_VDD_29_30 | MMC_VDD_30_31 |
 528                                                 MMC_VDD_32_33 | MMC_VDD_33_34,
 529                 .name                   = "external",
 530         },
 531 };
 532
 533 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
 534
 535 static struct gpio n810_emmc_gpios[] __initdata = {
 536         { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
 537         { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
 538 };
 539
 540 static void __init n8x0_mmc_init(void)
 541 {
 542         int err;
 543
 544         if (machine_is_nokia_n810()) {
 545                 mmc1_data.slots[0].name = "external";
 546
 547                 /*
 548                  * Some Samsung Movinand chips do not like open-ended
 549                  * multi-block reads and fall to braind-dead state
 550                  * while doing so. Reducing the number of blocks in
 551                  * the transfer or delays in clock disable do not help
 552                  */
 553                 mmc1_data.slots[1].name = "internal";
 554                 mmc1_data.slots[1].ban_openended = 1;
 555         }
 556
 557         err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
 558                                "MMC slot switch");
 559         if (err)
 560                 return;
 561
 562         if (machine_is_nokia_n810()) {
 563                 err = gpio_request_array(n810_emmc_gpios,
 564                                          ARRAY_SIZE(n810_emmc_gpios));
 565                 if (err) {
 566                         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 567                         return;
 568                 }
 569         }
 570
 571         mmc_data[0] = &mmc1_data;
 572         omap242x_init_mmc(mmc_data);
 573 }
 574 #else
 575
 576 void __init n8x0_mmc_init(void)
 577 {
 578 }
 579 #endif  /* CONFIG_MMC_OMAP */
 580
 581 #ifdef CONFIG_MENELAUS
 582
 583 static int n8x0_auto_sleep_regulators(void)
 584 {
 585         u32 val;
 586         int ret;
 587
 588         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 589                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 590                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 591                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 592
 593         ret = menelaus_set_regulator_sleep(1, val);
 594         if (ret < 0) {
 595                 pr_err("Could not set regulators to sleep on menelaus: %u\n",
 596                        ret);
 597                 return ret;
 598         }
 599         return 0;
 600 }
 601
 602 static int n8x0_auto_voltage_scale(void)
 603 {
 604         int ret;
 605
 606         ret = menelaus_set_vcore_hw(1400, 1050);
 607         if (ret < 0) {
 608                 pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
 609                 return ret;
 610         }
 611         return 0;
 612 }
 613
 614 static int n8x0_menelaus_late_init(struct device *dev)
 615 {
 616         int ret;
 617
 618         ret = n8x0_auto_voltage_scale();
 619         if (ret < 0)
 620                 return ret;
 621         ret = n8x0_auto_sleep_regulators();
 622         if (ret < 0)
 623                 return ret;
 624         return 0;
 625 }
 626
 627 #else
 628 static int n8x0_menelaus_late_init(struct device *dev)
 629 {
 630         return 0;
 631 }
 632 #endif
 633
 634 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
 635         .late_init = n8x0_menelaus_late_init,
 636 };
 637
 638 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
 639         {
 640                 I2C_BOARD_INFO("menelaus", 0x72),
 641                 .irq = 7 + OMAP_INTC_START,
 642                 .platform_data = &n8x0_menelaus_platform_data,
 643         },
 644 };
 645
 646 static struct aic3x_pdata n810_aic33_data __initdata = {
 647         .gpio_reset = 118,
 648 };
 649
 650 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
 651         {
 652                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 653                 .platform_data = &n810_aic33_data,
 654         },
 655 };
 656
 657 #ifdef CONFIG_OMAP_MUX
 658 static struct omap_board_mux board_mux[] __initdata = {
 659         /* I2S codec port pins for McBSP block */
 660         OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 661         OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 662         OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 663         OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 664         { .reg_offset = OMAP_MUX_TERMINATOR },
 665 };
 666
 667 static struct omap_device_pad serial2_pads[] __initdata = {
 668         {
 669                 .name   = "uart3_rx_irrx.uart3_rx_irrx",
 670                 .flags  = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
 671                 .enable = OMAP_MUX_MODE0,
 672                 .idle   = OMAP_MUX_MODE3        /* Mux as GPIO for idle */
 673         },
 674 };
 675
 676 static inline void board_serial_init(void)
 677 {
 678         struct omap_board_data bdata;
 679
 680         bdata.flags = 0;
 681         bdata.pads = NULL;
 682         bdata.pads_cnt = 0;
 683
 684         bdata.id = 0;
 685         omap_serial_init_port(&bdata, NULL);
 686
 687         bdata.id = 1;
 688         omap_serial_init_port(&bdata, NULL);
 689
 690         bdata.id = 2;
 691         bdata.pads = serial2_pads;
 692         bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
 693         omap_serial_init_port(&bdata, NULL);
 694 }
 695
 696 #else
 697
 698 static inline void board_serial_init(void)
 699 {
 700         omap_serial_init();
 701 }
 702
 703 #endif
 704
 705 static void __init n8x0_init_machine(void)
 706 {
 707         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 708         /* FIXME: add n810 spi devices */
 709         spi_register_board_info(n800_spi_board_info,
 710                                 ARRAY_SIZE(n800_spi_board_info));
 711         omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
 712                               ARRAY_SIZE(n8x0_i2c_board_info_1));
 713         omap_register_i2c_bus(2, 400, NULL, 0);
 714         if (machine_is_nokia_n810())
 715                 i2c_register_board_info(2, n810_i2c_board_info_2,
 716                                         ARRAY_SIZE(n810_i2c_board_info_2));
 717         board_serial_init();
 718         omap_sdrc_init(NULL, NULL);
 719         gpmc_onenand_init(board_onenand_data);
 720         n8x0_mmc_init();
 721         n8x0_usb_init();
 722         n8x0_cbus_init();
 723 }
 724
 725 MACHINE_START(NOKIA_N800, "Nokia N800")
 726         .atag_offset    = 0x100,
 727         .reserve        = omap_reserve,
 728         .map_io         = omap242x_map_io,
 729         .init_early     = omap2420_init_early,
 730         .init_irq       = omap2_init_irq,
 731         .handle_irq     = omap2_intc_handle_irq,
 732         .init_machine   = n8x0_init_machine,
 733         .init_late      = omap2420_init_late,
 734         .timer          = &omap2_timer,
 735         .restart        = omap2xxx_restart,
 736 MACHINE_END
 737
 738 MACHINE_START(NOKIA_N810, "Nokia N810")
 739         .atag_offset    = 0x100,
 740         .reserve        = omap_reserve,
 741         .map_io         = omap242x_map_io,
 742         .init_early     = omap2420_init_early,
 743         .init_irq       = omap2_init_irq,
 744         .handle_irq     = omap2_intc_handle_irq,
 745         .init_machine   = n8x0_init_machine,
 746         .init_late      = omap2420_init_late,
 747         .timer          = &omap2_timer,
 748         .restart        = omap2xxx_restart,
 749 MACHINE_END
 750
 751 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 752         .atag_offset    = 0x100,
 753         .reserve        = omap_reserve,
 754         .map_io         = omap242x_map_io,
 755         .init_early     = omap2420_init_early,
 756         .init_irq       = omap2_init_irq,
 757         .handle_irq     = omap2_intc_handle_irq,
 758         .init_machine   = n8x0_init_machine,
 759         .init_late      = omap2420_init_late,
 760         .timer          = &omap2_timer,
 761         .restart        = omap2xxx_restart,
 762 MACHINE_END