arch/arm/mach-pxa/balloon3.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/balloon3.c
   3  *
   4  *  Support for Balloonboard.org Balloon3 board.
   5  *
   6  *  Author:     Nick Bane, Wookey, Jonathan McDowell
   7  *  Created:    June, 2006
   8  *  Copyright:  Toby Churchill Ltd
   9  *  Derived from mainstone.c, by Nico Pitre
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License version 2 as
  13  *  published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/sysdev.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/sched.h>
  21 #include <linux/bitops.h>
  22 #include <linux/fb.h>
  23 #include <linux/gpio.h>
  24 #include <linux/ioport.h>
  25 #include <linux/ucb1400.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/types.h>
  29 #include <linux/i2c/pcf857x.h>
  30 #include <linux/mtd/nand.h>
  31 #include <linux/mtd/physmap.h>
  32 #include <linux/regulator/max1586.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/mach-types.h>
  36 #include <asm/irq.h>
  37 #include <asm/sizes.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42 #include <asm/mach/flash.h>
  43
  44 #include <mach/pxa27x.h>
  45 #include <mach/balloon3.h>
  46 #include <mach/audio.h>
  47 #include <mach/pxafb.h>
  48 #include <mach/mmc.h>
  49 #include <mach/udc.h>
  50 #include <mach/pxa27x-udc.h>
  51 #include <mach/irda.h>
  52 #include <mach/ohci.h>
  53
  54 #include <plat/i2c.h>
  55
  56 #include "generic.h"
  57 #include "devices.h"
  58
  59 /******************************************************************************
  60  * Pin configuration
  61  ******************************************************************************/
  62 static unsigned long balloon3_pin_config[] __initdata = {
  63         /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
  64         GPIO42_BTUART_RXD,
  65         GPIO43_BTUART_TXD,
  66         GPIO44_BTUART_CTS,
  67         GPIO45_BTUART_RTS,
  68
  69         /* Reset, configured as GPIO wakeup source */
  70         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
  71
  72         /* LEDs */
  73         GPIO9_GPIO,     /* NAND activity LED */
  74         GPIO10_GPIO,    /* Heartbeat LED */
  75
  76         /* AC97 */
  77         GPIO28_AC97_BITCLK,
  78         GPIO29_AC97_SDATA_IN_0,
  79         GPIO30_AC97_SDATA_OUT,
  80         GPIO31_AC97_SYNC,
  81         GPIO113_AC97_nRESET,
  82         GPIO95_GPIO,
  83
  84         /* MMC */
  85         GPIO32_MMC_CLK,
  86         GPIO92_MMC_DAT_0,
  87         GPIO109_MMC_DAT_1,
  88         GPIO110_MMC_DAT_2,
  89         GPIO111_MMC_DAT_3,
  90         GPIO112_MMC_CMD,
  91
  92         /* USB Host */
  93         GPIO88_USBH1_PWR,
  94         GPIO89_USBH1_PEN,
  95
  96         /* PC Card */
  97         GPIO48_nPOE,
  98         GPIO49_nPWE,
  99         GPIO50_nPIOR,
 100         GPIO51_nPIOW,
 101         GPIO85_nPCE_1,
 102         GPIO54_nPCE_2,
 103         GPIO79_PSKTSEL,
 104         GPIO55_nPREG,
 105         GPIO56_nPWAIT,
 106         GPIO57_nIOIS16,
 107 };
 108
 109 /******************************************************************************
 110  * Compatibility: Parameter parsing
 111  ******************************************************************************/
 112 static unsigned long balloon3_irq_enabled;
 113
 114 static unsigned long balloon3_features_present =
 115                 (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
 116                 (1 << BALLOON3_FEATURE_AUDIO) |
 117                 (1 << BALLOON3_FEATURE_TOPPOLY);
 118
 119 int balloon3_has(enum balloon3_features feature)
 120 {
 121         return (balloon3_features_present & (1 << feature)) ? 1 : 0;
 122 }
 123 EXPORT_SYMBOL_GPL(balloon3_has);
 124
 125 int __init parse_balloon3_features(char *arg)
 126 {
 127         if (!arg)
 128                 return 0;
 129
 130         return strict_strtoul(arg, 0, &balloon3_features_present);
 131 }
 132 early_param("balloon3_features", parse_balloon3_features);
 133
 134 /******************************************************************************
 135  * NOR Flash
 136  ******************************************************************************/
 137 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 138 static struct mtd_partition balloon3_nor_partitions[] = {
 139         {
 140                 .name           = "Flash",
 141                 .offset         = 0x00000000,
 142                 .size           = MTDPART_SIZ_FULL,
 143         }
 144 };
 145
 146 static struct physmap_flash_data balloon3_flash_data[] = {
 147         {
 148                 .width          = 2,    /* bankwidth in bytes */
 149                 .parts          = balloon3_nor_partitions,
 150                 .nr_parts       = ARRAY_SIZE(balloon3_nor_partitions)
 151         }
 152 };
 153
 154 static struct resource balloon3_flash_resource = {
 155         .start  = PXA_CS0_PHYS,
 156         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 157         .flags  = IORESOURCE_MEM,
 158 };
 159
 160 static struct platform_device balloon3_flash = {
 161         .name           = "physmap-flash",
 162         .id             = 0,
 163         .resource       = &balloon3_flash_resource,
 164         .num_resources  = 1,
 165         .dev            = {
 166                 .platform_data = balloon3_flash_data,
 167         },
 168 };
 169 static void __init balloon3_nor_init(void)
 170 {
 171         platform_device_register(&balloon3_flash);
 172 }
 173 #else
 174 static inline void balloon3_nor_init(void) {}
 175 #endif
 176
 177 /******************************************************************************
 178  * Audio and Touchscreen
 179  ******************************************************************************/
 180 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 181         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 182 static struct ucb1400_pdata vpac270_ucb1400_pdata = {
 183         .irq            = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
 184 };
 185
 186
 187 static struct platform_device balloon3_ucb1400_device = {
 188         .name           = "ucb1400_core",
 189         .id             = -1,
 190         .dev            = {
 191                 .platform_data = &vpac270_ucb1400_pdata,
 192         },
 193 };
 194
 195 static void __init balloon3_ts_init(void)
 196 {
 197         if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
 198                 return;
 199
 200         pxa_set_ac97_info(NULL);
 201         platform_device_register(&balloon3_ucb1400_device);
 202 }
 203 #else
 204 static inline void balloon3_ts_init(void) {}
 205 #endif
 206
 207 /******************************************************************************
 208  * Framebuffer
 209  ******************************************************************************/
 210 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 211 static struct pxafb_mode_info balloon3_lcd_modes[] = {
 212         {
 213                 .pixclock               = 38000,
 214                 .xres                   = 480,
 215                 .yres                   = 640,
 216                 .bpp                    = 16,
 217                 .hsync_len              = 8,
 218                 .left_margin            = 8,
 219                 .right_margin           = 8,
 220                 .vsync_len              = 2,
 221                 .upper_margin           = 4,
 222                 .lower_margin           = 5,
 223                 .sync                   = 0,
 224         },
 225 };
 226
 227 static struct pxafb_mach_info balloon3_lcd_screen = {
 228         .modes                  = balloon3_lcd_modes,
 229         .num_modes              = ARRAY_SIZE(balloon3_lcd_modes),
 230         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 231 };
 232
 233 static void balloon3_backlight_power(int on)
 234 {
 235         gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
 236 }
 237
 238 static void __init balloon3_lcd_init(void)
 239 {
 240         int ret;
 241
 242         if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
 243                 return;
 244
 245         ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
 246         if (ret) {
 247                 pr_err("Requesting BKL-ON GPIO failed!\n");
 248                 goto err;
 249         }
 250
 251         ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
 252         if (ret) {
 253                 pr_err("Setting BKL-ON GPIO direction failed!\n");
 254                 goto err2;
 255         }
 256
 257         balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
 258         set_pxa_fb_info(&balloon3_lcd_screen);
 259         return;
 260
 261 err2:
 262         gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
 263 err:
 264         return;
 265 }
 266 #else
 267 static inline void balloon3_lcd_init(void) {}
 268 #endif
 269
 270 /******************************************************************************
 271  * SD/MMC card controller
 272  ******************************************************************************/
 273 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 274 static struct pxamci_platform_data balloon3_mci_platform_data = {
 275         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 276         .gpio_card_detect       = -1,
 277         .gpio_card_ro           = -1,
 278         .gpio_power             = -1,
 279         .detect_delay_ms        = 200,
 280 };
 281
 282 static void __init balloon3_mmc_init(void)
 283 {
 284         pxa_set_mci_info(&balloon3_mci_platform_data);
 285 }
 286 #else
 287 static inline void balloon3_mmc_init(void) {}
 288 #endif
 289
 290 /******************************************************************************
 291  * USB Gadget
 292  ******************************************************************************/
 293 #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
 294 static void balloon3_udc_command(int cmd)
 295 {
 296         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 297                 UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
 298         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 299                 UP2OCR &= ~UP2OCR_DPPUE;
 300 }
 301
 302 static int balloon3_udc_is_connected(void)
 303 {
 304         return 1;
 305 }
 306
 307 static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
 308         .udc_command            = balloon3_udc_command,
 309         .udc_is_connected       = balloon3_udc_is_connected,
 310         .gpio_pullup            = -1,
 311 };
 312
 313 static void __init balloon3_udc_init(void)
 314 {
 315         pxa_set_udc_info(&balloon3_udc_info);
 316         platform_device_register(&balloon3_gpio_vbus);
 317 }
 318 #else
 319 static inline void balloon3_udc_init(void) {}
 320 #endif
 321
 322 /******************************************************************************
 323  * IrDA
 324  ******************************************************************************/
 325 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
 326 static struct pxaficp_platform_data balloon3_ficp_platform_data = {
 327         .transceiver_cap        = IR_FIRMODE | IR_SIRMODE | IR_OFF,
 328 };
 329
 330 static void __init balloon3_irda_init(void)
 331 {
 332         pxa_set_ficp_info(&balloon3_ficp_platform_data);
 333 }
 334 #else
 335 static inline void balloon3_irda_init(void) {}
 336 #endif
 337
 338 /******************************************************************************
 339  * USB Host
 340  ******************************************************************************/
 341 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 342 static struct pxaohci_platform_data balloon3_ohci_info = {
 343         .port_mode      = PMM_PERPORT_MODE,
 344         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 345 };
 346
 347 static void __init balloon3_uhc_init(void)
 348 {
 349         if (!balloon3_has(BALLOON3_FEATURE_OHCI))
 350                 return;
 351         pxa_set_ohci_info(&balloon3_ohci_info);
 352 }
 353 #else
 354 static inline void balloon3_uhc_init(void) {}
 355 #endif
 356
 357 /******************************************************************************
 358  * LEDs
 359  ******************************************************************************/
 360 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 361 struct gpio_led balloon3_gpio_leds[] = {
 362         {
 363                 .name                   = "balloon3:green:idle",
 364                 .default_trigger        = "heartbeat",
 365                 .gpio                   = BALLOON3_GPIO_LED_IDLE,
 366                 .active_low             = 1,
 367         }, {
 368                 .name                   = "balloon3:green:nand",
 369                 .default_trigger        = "nand-disk",
 370                 .gpio                   = BALLOON3_GPIO_LED_NAND,
 371                 .active_low             = 1,
 372         },
 373 };
 374
 375 static struct gpio_led_platform_data balloon3_gpio_led_info = {
 376         .leds           = balloon3_gpio_leds,
 377         .num_leds       = ARRAY_SIZE(balloon3_gpio_leds),
 378 };
 379
 380 static struct platform_device balloon3_leds = {
 381         .name   = "leds-gpio",
 382         .id     = 0,
 383         .dev    = {
 384                 .platform_data  = &balloon3_gpio_led_info,
 385         }
 386 };
 387
 388 struct gpio_led balloon3_pcf_gpio_leds[] = {
 389         {
 390                 .name                   = "balloon3:green:led0",
 391                 .gpio                   = BALLOON3_PCF_GPIO_LED0,
 392                 .active_low             = 1,
 393         }, {
 394                 .name                   = "balloon3:green:led1",
 395                 .gpio                   = BALLOON3_PCF_GPIO_LED1,
 396                 .active_low             = 1,
 397         }, {
 398                 .name                   = "balloon3:orange:led2",
 399                 .gpio                   = BALLOON3_PCF_GPIO_LED2,
 400                 .active_low             = 1,
 401         }, {
 402                 .name                   = "balloon3:orange:led3",
 403                 .gpio                   = BALLOON3_PCF_GPIO_LED3,
 404                 .active_low             = 1,
 405         }, {
 406                 .name                   = "balloon3:orange:led4",
 407                 .gpio                   = BALLOON3_PCF_GPIO_LED4,
 408                 .active_low             = 1,
 409         }, {
 410                 .name                   = "balloon3:orange:led5",
 411                 .gpio                   = BALLOON3_PCF_GPIO_LED5,
 412                 .active_low             = 1,
 413         }, {
 414                 .name                   = "balloon3:red:led6",
 415                 .gpio                   = BALLOON3_PCF_GPIO_LED6,
 416                 .active_low             = 1,
 417         }, {
 418                 .name                   = "balloon3:red:led7",
 419                 .gpio                   = BALLOON3_PCF_GPIO_LED7,
 420                 .active_low             = 1,
 421         },
 422 };
 423
 424 static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = {
 425         .leds           = balloon3_pcf_gpio_leds,
 426         .num_leds       = ARRAY_SIZE(balloon3_pcf_gpio_leds),
 427 };
 428
 429 static struct platform_device balloon3_pcf_leds = {
 430         .name   = "leds-gpio",
 431         .id     = 1,
 432         .dev    = {
 433                 .platform_data  = &balloon3_pcf_gpio_led_info,
 434         }
 435 };
 436
 437 static void __init balloon3_leds_init(void)
 438 {
 439         platform_device_register(&balloon3_leds);
 440         platform_device_register(&balloon3_pcf_leds);
 441 }
 442 #else
 443 static inline void balloon3_leds_init(void) {}
 444 #endif
 445
 446 /******************************************************************************
 447  * FPGA IRQ
 448  ******************************************************************************/
 449 static void balloon3_mask_irq(unsigned int irq)
 450 {
 451         int balloon3_irq = (irq - BALLOON3_IRQ(0));
 452         balloon3_irq_enabled &= ~(1 << balloon3_irq);
 453         __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
 454 }
 455
 456 static void balloon3_unmask_irq(unsigned int irq)
 457 {
 458         int balloon3_irq = (irq - BALLOON3_IRQ(0));
 459         balloon3_irq_enabled |= (1 << balloon3_irq);
 460         __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
 461 }
 462
 463 static struct irq_chip balloon3_irq_chip = {
 464         .name           = "FPGA",
 465         .ack            = balloon3_mask_irq,
 466         .mask           = balloon3_mask_irq,
 467         .unmask         = balloon3_unmask_irq,
 468 };
 469
 470 static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
 471 {
 472         unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
 473                                         balloon3_irq_enabled;
 474         do {
 475                 /* clear useless edge notification */
 476                 if (desc->chip->ack)
 477                         desc->chip->ack(BALLOON3_AUX_NIRQ);
 478                 while (pending) {
 479                         irq = BALLOON3_IRQ(0) + __ffs(pending);
 480                         generic_handle_irq(irq);
 481                         pending &= pending - 1;
 482                 }
 483                 pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
 484                                 balloon3_irq_enabled;
 485         } while (pending);
 486 }
 487
 488 static void __init balloon3_init_irq(void)
 489 {
 490         int irq;
 491
 492         pxa27x_init_irq();
 493         /* setup extra Balloon3 irqs */
 494         for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
 495                 set_irq_chip(irq, &balloon3_irq_chip);
 496                 set_irq_handler(irq, handle_level_irq);
 497                 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 498         }
 499
 500         set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
 501         set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
 502
 503         pr_debug("%s: chained handler installed - irq %d automatically "
 504                 "enabled\n", __func__, BALLOON3_AUX_NIRQ);
 505 }
 506
 507 /******************************************************************************
 508  * GPIO expander
 509  ******************************************************************************/
 510 #if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE)
 511 static struct pcf857x_platform_data balloon3_pcf857x_pdata = {
 512         .gpio_base      = BALLOON3_PCF_GPIO_BASE,
 513         .n_latch        = 0,
 514         .setup          = NULL,
 515         .teardown       = NULL,
 516         .context        = NULL,
 517 };
 518
 519 static struct i2c_board_info __initdata balloon3_i2c_devs[] = {
 520         {
 521                 I2C_BOARD_INFO("pcf8574a", 0x38),
 522                 .platform_data  = &balloon3_pcf857x_pdata,
 523         },
 524 };
 525
 526 static void __init balloon3_i2c_init(void)
 527 {
 528         pxa_set_i2c_info(NULL);
 529         i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs));
 530 }
 531 #else
 532 static inline void balloon3_i2c_init(void) {}
 533 #endif
 534
 535 /******************************************************************************
 536  * NAND
 537  ******************************************************************************/
 538 #if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 539 static uint16_t balloon3_ctl =
 540         BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
 541         BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
 542         BALLOON3_NAND_CONTROL_FLWP;
 543
 544 static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 545 {
 546         struct nand_chip *this = mtd->priv;
 547
 548         if (ctrl & NAND_CTRL_CHANGE) {
 549                 if (ctrl & NAND_CLE)
 550                         balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCLE;
 551                 else
 552                         balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLCLE;
 553
 554                 if (ctrl & NAND_ALE)
 555                         balloon3_ctl |= BALLOON3_NAND_CONTROL_FLALE;
 556                 else
 557                         balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLALE;
 558
 559                 __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
 560         }
 561
 562         if (cmd != NAND_CMD_NONE)
 563                 writeb(cmd, this->IO_ADDR_W);
 564 }
 565
 566 static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip)
 567 {
 568         if (chip < 0 || chip > 3)
 569                 return;
 570
 571         balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCE0 |
 572                         BALLOON3_NAND_CONTROL_FLCE1 |
 573                         BALLOON3_NAND_CONTROL_FLCE2 |
 574                         BALLOON3_NAND_CONTROL_FLCE3;
 575
 576         /* Deassert correct nCE line */
 577         balloon3_ctl &= ~(BALLOON3_NAND_CONTROL_FLCE0 << chip);
 578
 579         __raw_writew(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
 580 }
 581
 582 static int balloon3_nand_probe(struct platform_device *pdev)
 583 {
 584         void __iomem *temp_map;
 585         uint16_t ver;
 586         int ret;
 587
 588         __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, BALLOON3_NAND_CONTROL2_REG);
 589
 590         ver = __raw_readw(BALLOON3_FPGA_VER);
 591         if (ver > 0x0201)
 592                 pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
 593                         "NAND support might be broken in this version!", ver);
 594
 595         /* Power up the NAND chips */
 596         ret = gpio_request(BALLOON3_GPIO_RUN_NAND, "NAND");
 597         if (ret)
 598                 goto err1;
 599
 600         ret = gpio_direction_output(BALLOON3_GPIO_RUN_NAND, 1);
 601         if (ret)
 602                 goto err2;
 603
 604         gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1);
 605
 606         /* Deassert all nCE lines and write protect line */
 607         __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
 608         return 0;
 609
 610 err2:
 611         gpio_free(BALLOON3_GPIO_RUN_NAND);
 612 err1:
 613         return ret;
 614 }
 615
 616 static void balloon3_nand_remove(struct platform_device *pdev)
 617 {
 618         /* Power down the NAND chips */
 619         gpio_set_value(BALLOON3_GPIO_RUN_NAND, 0);
 620         gpio_free(BALLOON3_GPIO_RUN_NAND);
 621 }
 622
 623 static struct mtd_partition balloon3_partition_info[] = {
 624         [0] = {
 625                 .name   = "Boot",
 626                 .offset = 0,
 627                 .size   = SZ_4M,
 628         },
 629         [1] = {
 630                 .name   = "RootFS",
 631                 .offset = MTDPART_OFS_APPEND,
 632                 .size   = MTDPART_SIZ_FULL
 633         },
 634 };
 635
 636 static const char *balloon3_part_probes[] = { "cmdlinepart", NULL };
 637
 638 struct platform_nand_data balloon3_nand_pdata = {
 639         .chip = {
 640                 .nr_chips       = 4,
 641                 .chip_offset    = 0,
 642                 .nr_partitions  = ARRAY_SIZE(balloon3_partition_info),
 643                 .partitions     = balloon3_partition_info,
 644                 .chip_delay     = 50,
 645                 .part_probe_types = balloon3_part_probes,
 646         },
 647         .ctrl = {
 648                 .hwcontrol      = 0,
 649                 .dev_ready      = 0,
 650                 .select_chip    = balloon3_nand_select_chip,
 651                 .cmd_ctrl       = balloon3_nand_cmd_ctl,
 652                 .probe          = balloon3_nand_probe,
 653                 .remove         = balloon3_nand_remove,
 654         },
 655 };
 656
 657 static struct resource balloon3_nand_resource[] = {
 658         [0] = {
 659                 .start = BALLOON3_NAND_BASE,
 660                 .end   = BALLOON3_NAND_BASE + 0x4,
 661                 .flags = IORESOURCE_MEM,
 662         },
 663 };
 664
 665 static struct platform_device balloon3_nand = {
 666         .name           = "gen_nand",
 667         .num_resources  = ARRAY_SIZE(balloon3_nand_resource),
 668         .resource       = balloon3_nand_resource,
 669         .id             = -1,
 670         .dev            = {
 671                 .platform_data = &balloon3_nand_pdata,
 672         }
 673 };
 674
 675 static void __init balloon3_nand_init(void)
 676 {
 677         platform_device_register(&balloon3_nand);
 678 }
 679 #else
 680 static inline void balloon3_nand_init(void) {}
 681 #endif
 682
 683 /******************************************************************************
 684  * Core power regulator
 685  ******************************************************************************/
 686 #if defined(CONFIG_REGULATOR_MAX1586) || \
 687     defined(CONFIG_REGULATOR_MAX1586_MODULE)
 688 static struct regulator_consumer_supply balloon3_max1587a_consumers[] = {
 689         {
 690                 .supply = "vcc_core",
 691         }
 692 };
 693
 694 static struct regulator_init_data balloon3_max1587a_v3_info = {
 695         .constraints = {
 696                 .name           = "vcc_core range",
 697                 .min_uV         = 900000,
 698                 .max_uV         = 1705000,
 699                 .always_on      = 1,
 700                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 701         },
 702         .consumer_supplies      = balloon3_max1587a_consumers,
 703         .num_consumer_supplies  = ARRAY_SIZE(balloon3_max1587a_consumers),
 704 };
 705
 706 static struct max1586_subdev_data balloon3_max1587a_subdevs[] = {
 707         {
 708                 .name           = "vcc_core",
 709                 .id             = MAX1586_V3,
 710                 .platform_data  = &balloon3_max1587a_v3_info,
 711         }
 712 };
 713
 714 static struct max1586_platform_data balloon3_max1587a_info = {
 715         .subdevs     = balloon3_max1587a_subdevs,
 716         .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs),
 717         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 718 };
 719
 720 static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = {
 721         {
 722                 I2C_BOARD_INFO("max1586", 0x14),
 723                 .platform_data  = &balloon3_max1587a_info,
 724         },
 725 };
 726
 727 static void __init balloon3_pmic_init(void)
 728 {
 729         pxa27x_set_i2c_power_info(NULL);
 730         i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info));
 731 }
 732 #else
 733 static inline void balloon3_pmic_init(void) {}
 734 #endif
 735
 736 /******************************************************************************
 737  * Machine init
 738  ******************************************************************************/
 739 static void __init balloon3_init(void)
 740 {
 741         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 742
 743         pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
 744
 745         pxa_set_ffuart_info(NULL);
 746         pxa_set_btuart_info(NULL);
 747         pxa_set_stuart_info(NULL);
 748
 749         balloon3_i2c_init();
 750         balloon3_irda_init();
 751         balloon3_lcd_init();
 752         balloon3_leds_init();
 753         balloon3_mmc_init();
 754         balloon3_nand_init();
 755         balloon3_nor_init();
 756         balloon3_pmic_init();
 757         balloon3_ts_init();
 758         balloon3_udc_init();
 759         balloon3_uhc_init();
 760 }
 761
 762 static struct map_desc balloon3_io_desc[] __initdata = {
 763         {       /* CPLD/FPGA */
 764                 .virtual        =  BALLOON3_FPGA_VIRT,
 765                 .pfn            = __phys_to_pfn(BALLOON3_FPGA_PHYS),
 766                 .length         = BALLOON3_FPGA_LENGTH,
 767                 .type           = MT_DEVICE,
 768         },
 769 };
 770
 771 static void __init balloon3_map_io(void)
 772 {
 773         pxa_map_io();
 774         iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
 775 }
 776
 777 MACHINE_START(BALLOON3, "Balloon3")
 778         /* Maintainer: Nick Bane. */
 779         .phys_io        = 0x40000000,
 780         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 781         .map_io         = balloon3_map_io,
 782         .init_irq       = balloon3_init_irq,
 783         .timer          = &pxa_timer,
 784         .init_machine   = balloon3_init,
 785         .boot_params    = PHYS_OFFSET + 0x100,
 786 MACHINE_END