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         .mode           = MUSB_OTG,
 126         .set_power      = tusb_set_power,
 127         .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
 128         .power          = 100,  /* Max 100 mA VBUS for host mode */
 129         .config         = &musb_config,
 130 };
 131
 132 static void __init n8x0_usb_init(void)
 133 {
 134         int ret = 0;
 135         static char     announce[] __initdata = KERN_INFO "TUSB 6010\n";
 136
 137         /* PM companion chip power control pin */
 138         ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
 139                                "TUSB6010 enable");
 140         if (ret != 0) {
 141                 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
 142                        TUSB6010_GPIO_ENABLE);
 143                 return;
 144         }
 145         tusb_set_power(0);
 146
 147         ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
 148                                         TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
 149                                         TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
 150         if (ret != 0)
 151                 goto err;
 152
 153         printk(announce);
 154
 155         return;
 156
 157 err:
 158         gpio_free(TUSB6010_GPIO_ENABLE);
 159 }
 160 #else
 161
 162 static void __init n8x0_usb_init(void) {}
 163
 164 #endif /*CONFIG_USB_MUSB_TUSB6010 */
 165
 166
 167 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
 168         .turbo_mode     = 0,
 169 };
 170
 171 static struct spi_board_info n800_spi_board_info[] __initdata = {
 172         {
 173                 .modalias       = "p54spi",
 174                 .bus_num        = 2,
 175                 .chip_select    = 0,
 176                 .max_speed_hz   = 48000000,
 177                 .controller_data = &p54spi_mcspi_config,
 178         },
 179 };
 180
 181 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 182         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 183
 184 static struct mtd_partition onenand_partitions[] = {
 185         {
 186                 .name           = "bootloader",
 187                 .offset         = 0,
 188                 .size           = 0x20000,
 189                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 190         },
 191         {
 192                 .name           = "config",
 193                 .offset         = MTDPART_OFS_APPEND,
 194                 .size           = 0x60000,
 195         },
 196         {
 197                 .name           = "kernel",
 198                 .offset         = MTDPART_OFS_APPEND,
 199                 .size           = 0x200000,
 200         },
 201         {
 202                 .name           = "initfs",
 203                 .offset         = MTDPART_OFS_APPEND,
 204                 .size           = 0x400000,
 205         },
 206         {
 207                 .name           = "rootfs",
 208                 .offset         = MTDPART_OFS_APPEND,
 209                 .size           = MTDPART_SIZ_FULL,
 210         },
 211 };
 212
 213 static struct omap_onenand_platform_data board_onenand_data[] = {
 214         {
 215                 .cs             = 0,
 216                 .gpio_irq       = 26,
 217                 .parts          = onenand_partitions,
 218                 .nr_parts       = ARRAY_SIZE(onenand_partitions),
 219                 .flags          = ONENAND_SYNC_READ,
 220         }
 221 };
 222 #endif
 223
 224 #if defined(CONFIG_MENELAUS) &&                                         \
 225         (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 226
 227 /*
 228  * On both N800 and N810, only the first of the two MMC controllers is in use.
 229  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 230  * On N800, both slots are powered via Menelaus. On N810, only one of the
 231  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 232  *
 233  * VMMC                         slot 1 on both N800 and N810
 234  * VDCDC3_APE and VMCS2_APE     slot 2 on N800
 235  * GPIO23 and GPIO9             slot 2 EMMC on N810
 236  *
 237  */
 238 #define N8X0_SLOT_SWITCH_GPIO   96
 239 #define N810_EMMC_VSD_GPIO      23
 240 #define N810_EMMC_VIO_GPIO      9
 241
 242 static int slot1_cover_open;
 243 static int slot2_cover_open;
 244 static struct device *mmc_device;
 245
 246 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
 247 {
 248 #ifdef CONFIG_MMC_DEBUG
 249         dev_dbg(dev, "Choose slot %d\n", slot + 1);
 250 #endif
 251         gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
 252         return 0;
 253 }
 254
 255 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
 256                                         int power_on, int vdd)
 257 {
 258         int mV;
 259
 260 #ifdef CONFIG_MMC_DEBUG
 261         dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
 262                 power_on ? "on" : "off", vdd);
 263 #endif
 264         if (slot == 0) {
 265                 if (!power_on)
 266                         return menelaus_set_vmmc(0);
 267                 switch (1 << vdd) {
 268                 case MMC_VDD_33_34:
 269                 case MMC_VDD_32_33:
 270                 case MMC_VDD_31_32:
 271                         mV = 3100;
 272                         break;
 273                 case MMC_VDD_30_31:
 274                         mV = 3000;
 275                         break;
 276                 case MMC_VDD_28_29:
 277                         mV = 2800;
 278                         break;
 279                 case MMC_VDD_165_195:
 280                         mV = 1850;
 281                         break;
 282                 default:
 283                         BUG();
 284                 }
 285                 return menelaus_set_vmmc(mV);
 286         } else {
 287                 if (!power_on)
 288                         return menelaus_set_vdcdc(3, 0);
 289                 switch (1 << vdd) {
 290                 case MMC_VDD_33_34:
 291                 case MMC_VDD_32_33:
 292                         mV = 3300;
 293                         break;
 294                 case MMC_VDD_30_31:
 295                 case MMC_VDD_29_30:
 296                         mV = 3000;
 297                         break;
 298                 case MMC_VDD_28_29:
 299                 case MMC_VDD_27_28:
 300                         mV = 2800;
 301                         break;
 302                 case MMC_VDD_24_25:
 303                 case MMC_VDD_23_24:
 304                         mV = 2400;
 305                         break;
 306                 case MMC_VDD_22_23:
 307                 case MMC_VDD_21_22:
 308                         mV = 2200;
 309                         break;
 310                 case MMC_VDD_20_21:
 311                         mV = 2000;
 312                         break;
 313                 case MMC_VDD_165_195:
 314                         mV = 1800;
 315                         break;
 316                 default:
 317                         BUG();
 318                 }
 319                 return menelaus_set_vdcdc(3, mV);
 320         }
 321         return 0;
 322 }
 323
 324 static void n810_set_power_emmc(struct device *dev,
 325                                          int power_on)
 326 {
 327         dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
 328
 329         if (power_on) {
 330                 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
 331                 msleep(1);
 332                 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
 333                 msleep(1);
 334         } else {
 335                 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
 336                 msleep(50);
 337                 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
 338                 msleep(50);
 339         }
 340 }
 341
 342 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
 343                               int vdd)
 344 {
 345         if (machine_is_nokia_n800() || slot == 0)
 346                 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
 347
 348         n810_set_power_emmc(dev, power_on);
 349
 350         return 0;
 351 }
 352
 353 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
 354 {
 355         int r;
 356
 357         dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
 358                 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
 359         BUG_ON(slot != 0 && slot != 1);
 360         slot++;
 361         switch (bus_mode) {
 362         case MMC_BUSMODE_OPENDRAIN:
 363                 r = menelaus_set_mmc_opendrain(slot, 1);
 364                 break;
 365         case MMC_BUSMODE_PUSHPULL:
 366                 r = menelaus_set_mmc_opendrain(slot, 0);
 367                 break;
 368         default:
 369                 BUG();
 370         }
 371         if (r != 0 && printk_ratelimit())
 372                 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
 373                         slot);
 374         return r;
 375 }
 376
 377 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
 378 {
 379         slot++;
 380         BUG_ON(slot != 1 && slot != 2);
 381         if (slot == 1)
 382                 return slot1_cover_open;
 383         else
 384                 return slot2_cover_open;
 385 }
 386
 387 static void n8x0_mmc_callback(void *data, u8 card_mask)
 388 {
 389         int bit, *openp, index;
 390
 391         if (machine_is_nokia_n800()) {
 392                 bit = 1 << 1;
 393                 openp = &slot2_cover_open;
 394                 index = 1;
 395         } else {
 396                 bit = 1;
 397                 openp = &slot1_cover_open;
 398                 index = 0;
 399         }
 400
 401         if (card_mask & bit)
 402                 *openp = 1;
 403         else
 404                 *openp = 0;
 405
 406 #ifdef CONFIG_MMC_OMAP
 407         omap_mmc_notify_cover_event(mmc_device, index, *openp);
 408 #else
 409         pr_warn("MMC: notify cover event not available\n");
 410 #endif
 411 }
 412
 413 static int n8x0_mmc_late_init(struct device *dev)
 414 {
 415         int r, bit, *openp;
 416         int vs2sel;
 417
 418         mmc_device = dev;
 419
 420         r = menelaus_set_slot_sel(1);
 421         if (r < 0)
 422                 return r;
 423
 424         if (machine_is_nokia_n800())
 425                 vs2sel = 0;
 426         else
 427                 vs2sel = 2;
 428
 429         r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
 430         if (r < 0)
 431                 return r;
 432
 433         n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
 434         n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
 435
 436         r = menelaus_set_mmc_slot(1, 1, 0, 1);
 437         if (r < 0)
 438                 return r;
 439         r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
 440         if (r < 0)
 441                 return r;
 442
 443         r = menelaus_get_slot_pin_states();
 444         if (r < 0)
 445                 return r;
 446
 447         if (machine_is_nokia_n800()) {
 448                 bit = 1 << 1;
 449                 openp = &slot2_cover_open;
 450         } else {
 451                 bit = 1;
 452                 openp = &slot1_cover_open;
 453                 slot2_cover_open = 0;
 454         }
 455
 456         /* All slot pin bits seem to be inversed until first switch change */
 457         if (r == 0xf || r == (0xf & ~bit))
 458                 r = ~r;
 459
 460         if (r & bit)
 461                 *openp = 1;
 462         else
 463                 *openp = 0;
 464
 465         r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
 466
 467         return r;
 468 }
 469
 470 static void n8x0_mmc_shutdown(struct device *dev)
 471 {
 472         int vs2sel;
 473
 474         if (machine_is_nokia_n800())
 475                 vs2sel = 0;
 476         else
 477                 vs2sel = 2;
 478
 479         menelaus_set_mmc_slot(1, 0, 0, 0);
 480         menelaus_set_mmc_slot(2, 0, vs2sel, 0);
 481 }
 482
 483 static void n8x0_mmc_cleanup(struct device *dev)
 484 {
 485         menelaus_unregister_mmc_callback();
 486
 487         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 488
 489         if (machine_is_nokia_n810()) {
 490                 gpio_free(N810_EMMC_VSD_GPIO);
 491                 gpio_free(N810_EMMC_VIO_GPIO);
 492         }
 493 }
 494
 495 /*
 496  * MMC controller1 has two slots that are multiplexed via I2C.
 497  * MMC controller2 is not in use.
 498  */
 499 static struct omap_mmc_platform_data mmc1_data = {
 500         .nr_slots                       = 2,
 501         .switch_slot                    = n8x0_mmc_switch_slot,
 502         .init                           = n8x0_mmc_late_init,
 503         .cleanup                        = n8x0_mmc_cleanup,
 504         .shutdown                       = n8x0_mmc_shutdown,
 505         .max_freq                       = 24000000,
 506         .slots[0] = {
 507                 .wires                  = 4,
 508                 .set_power              = n8x0_mmc_set_power,
 509                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 510                 .get_cover_state        = n8x0_mmc_get_cover_state,
 511                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_30_31 |
 512                                                 MMC_VDD_32_33   | MMC_VDD_33_34,
 513                 .name                   = "internal",
 514         },
 515         .slots[1] = {
 516                 .set_power              = n8x0_mmc_set_power,
 517                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
 518                 .get_cover_state        = n8x0_mmc_get_cover_state,
 519                 .ocr_mask               = MMC_VDD_165_195 | MMC_VDD_20_21 |
 520                                                 MMC_VDD_21_22 | MMC_VDD_22_23 |
 521                                                 MMC_VDD_23_24 | MMC_VDD_24_25 |
 522                                                 MMC_VDD_27_28 | MMC_VDD_28_29 |
 523                                                 MMC_VDD_29_30 | MMC_VDD_30_31 |
 524                                                 MMC_VDD_32_33 | MMC_VDD_33_34,
 525                 .name                   = "external",
 526         },
 527 };
 528
 529 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
 530
 531 static struct gpio n810_emmc_gpios[] __initdata = {
 532         { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
 533         { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
 534 };
 535
 536 static void __init n8x0_mmc_init(void)
 537 {
 538         int err;
 539
 540         if (machine_is_nokia_n810()) {
 541                 mmc1_data.slots[0].name = "external";
 542
 543                 /*
 544                  * Some Samsung Movinand chips do not like open-ended
 545                  * multi-block reads and fall to braind-dead state
 546                  * while doing so. Reducing the number of blocks in
 547                  * the transfer or delays in clock disable do not help
 548                  */
 549                 mmc1_data.slots[1].name = "internal";
 550                 mmc1_data.slots[1].ban_openended = 1;
 551         }
 552
 553         err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
 554                                "MMC slot switch");
 555         if (err)
 556                 return;
 557
 558         if (machine_is_nokia_n810()) {
 559                 err = gpio_request_array(n810_emmc_gpios,
 560                                          ARRAY_SIZE(n810_emmc_gpios));
 561                 if (err) {
 562                         gpio_free(N8X0_SLOT_SWITCH_GPIO);
 563                         return;
 564                 }
 565         }
 566
 567         mmc_data[0] = &mmc1_data;
 568         omap242x_init_mmc(mmc_data);
 569 }
 570 #else
 571
 572 void __init n8x0_mmc_init(void)
 573 {
 574 }
 575 #endif  /* CONFIG_MMC_OMAP */
 576
 577 #ifdef CONFIG_MENELAUS
 578
 579 static int n8x0_auto_sleep_regulators(void)
 580 {
 581         u32 val;
 582         int ret;
 583
 584         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 585                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 586                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 587                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 588
 589         ret = menelaus_set_regulator_sleep(1, val);
 590         if (ret < 0) {
 591                 pr_err("Could not set regulators to sleep on menelaus: %u\n",
 592                        ret);
 593                 return ret;
 594         }
 595         return 0;
 596 }
 597
 598 static int n8x0_auto_voltage_scale(void)
 599 {
 600         int ret;
 601
 602         ret = menelaus_set_vcore_hw(1400, 1050);
 603         if (ret < 0) {
 604                 pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
 605                 return ret;
 606         }
 607         return 0;
 608 }
 609
 610 static int n8x0_menelaus_late_init(struct device *dev)
 611 {
 612         int ret;
 613
 614         ret = n8x0_auto_voltage_scale();
 615         if (ret < 0)
 616                 return ret;
 617         ret = n8x0_auto_sleep_regulators();
 618         if (ret < 0)
 619                 return ret;
 620         return 0;
 621 }
 622
 623 #else
 624 static int n8x0_menelaus_late_init(struct device *dev)
 625 {
 626         return 0;
 627 }
 628 #endif
 629
 630 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
 631         .late_init = n8x0_menelaus_late_init,
 632 };
 633
 634 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
 635         {
 636                 I2C_BOARD_INFO("menelaus", 0x72),
 637                 .irq = 7 + OMAP_INTC_START,
 638                 .platform_data = &n8x0_menelaus_platform_data,
 639         },
 640 };
 641
 642 static struct aic3x_pdata n810_aic33_data __initdata = {
 643         .gpio_reset = 118,
 644 };
 645
 646 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
 647         {
 648                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 649                 .platform_data = &n810_aic33_data,
 650         },
 651 };
 652
 653 #ifdef CONFIG_OMAP_MUX
 654 static struct omap_board_mux board_mux[] __initdata = {
 655         /* I2S codec port pins for McBSP block */
 656         OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 657         OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 658         OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 659         OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 660         { .reg_offset = OMAP_MUX_TERMINATOR },
 661 };
 662
 663 static struct omap_device_pad serial2_pads[] __initdata = {
 664         {
 665                 .name   = "uart3_rx_irrx.uart3_rx_irrx",
 666                 .flags  = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
 667                 .enable = OMAP_MUX_MODE0,
 668                 .idle   = OMAP_MUX_MODE3        /* Mux as GPIO for idle */
 669         },
 670 };
 671
 672 static inline void board_serial_init(void)
 673 {
 674         struct omap_board_data bdata;
 675
 676         bdata.flags = 0;
 677         bdata.pads = NULL;
 678         bdata.pads_cnt = 0;
 679
 680         bdata.id = 0;
 681         omap_serial_init_port(&bdata, NULL);
 682
 683         bdata.id = 1;
 684         omap_serial_init_port(&bdata, NULL);
 685
 686         bdata.id = 2;
 687         bdata.pads = serial2_pads;
 688         bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
 689         omap_serial_init_port(&bdata, NULL);
 690 }
 691
 692 #else
 693
 694 static inline void board_serial_init(void)
 695 {
 696         omap_serial_init();
 697 }
 698
 699 #endif
 700
 701 static void __init n8x0_init_machine(void)
 702 {
 703         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 704         /* FIXME: add n810 spi devices */
 705         spi_register_board_info(n800_spi_board_info,
 706                                 ARRAY_SIZE(n800_spi_board_info));
 707         omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
 708                               ARRAY_SIZE(n8x0_i2c_board_info_1));
 709         omap_register_i2c_bus(2, 400, NULL, 0);
 710         if (machine_is_nokia_n810())
 711                 i2c_register_board_info(2, n810_i2c_board_info_2,
 712                                         ARRAY_SIZE(n810_i2c_board_info_2));
 713         board_serial_init();
 714         omap_sdrc_init(NULL, NULL);
 715         gpmc_onenand_init(board_onenand_data);
 716         n8x0_mmc_init();
 717         n8x0_usb_init();
 718         n8x0_cbus_init();
 719 }
 720
 721 MACHINE_START(NOKIA_N800, "Nokia N800")
 722         .atag_offset    = 0x100,
 723         .reserve        = omap_reserve,
 724         .map_io         = omap242x_map_io,
 725         .init_early     = omap2420_init_early,
 726         .init_irq       = omap2_init_irq,
 727         .handle_irq     = omap2_intc_handle_irq,
 728         .init_machine   = n8x0_init_machine,
 729         .init_late      = omap2420_init_late,
 730         .init_time      = omap2_sync32k_timer_init,
 731         .restart        = omap2xxx_restart,
 732 MACHINE_END
 733
 734 MACHINE_START(NOKIA_N810, "Nokia N810")
 735         .atag_offset    = 0x100,
 736         .reserve        = omap_reserve,
 737         .map_io         = omap242x_map_io,
 738         .init_early     = omap2420_init_early,
 739         .init_irq       = omap2_init_irq,
 740         .handle_irq     = omap2_intc_handle_irq,
 741         .init_machine   = n8x0_init_machine,
 742         .init_late      = omap2420_init_late,
 743         .init_time      = omap2_sync32k_timer_init,
 744         .restart        = omap2xxx_restart,
 745 MACHINE_END
 746
 747 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 748         .atag_offset    = 0x100,
 749         .reserve        = omap_reserve,
 750         .map_io         = omap242x_map_io,
 751         .init_early     = omap2420_init_early,
 752         .init_irq       = omap2_init_irq,
 753         .handle_irq     = omap2_intc_handle_irq,
 754         .init_machine   = n8x0_init_machine,
 755         .init_late      = omap2420_init_late,
 756         .init_time      = omap2_sync32k_timer_init,
 757         .restart        = omap2xxx_restart,
 758 MACHINE_END