arch/arm/mach-pxa/lubbock.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-pxa/lubbock.c
   4  *
   5  *  Support for the Intel DBPXA250 Development Platform.
   6  *
   7  *  Author:     Nicolas Pitre
   8  *  Created:    Jun 15, 2001
   9  *  Copyright:  MontaVista Software Inc.
  10  */
  11 #include <linux/clkdev.h>
  12 #include <linux/gpio.h>
  13 #include <linux/gpio/gpio-reg.h>
  14 #include <linux/gpio/machine.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/io.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/syscore_ops.h>
  21 #include <linux/major.h>
  22 #include <linux/fb.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/smc91x.h>
  27 #include <linux/slab.h>
  28 #include <linux/leds.h>
  29
  30 #include <linux/spi/spi.h>
  31 #include <linux/spi/ads7846.h>
  32 #include <linux/spi/pxa2xx_spi.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/memory.h>
  36 #include <asm/mach-types.h>
  37 #include <mach/hardware.h>
  38 #include <asm/irq.h>
  39 #include <linux/sizes.h>
  40
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/irq.h>
  44 #include <asm/mach/flash.h>
  45
  46 #include <asm/hardware/sa1111.h>
  47
  48 #include "pxa25x.h"
  49 #include <mach/audio.h>
  50 #include <mach/lubbock.h>
  51 #include "udc.h"
  52 #include <linux/platform_data/irda-pxaficp.h>
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include "pm.h"
  56 #include <mach/smemc.h>
  57
  58 #include "generic.h"
  59 #include "devices.h"
  60
  61 static unsigned long lubbock_pin_config[] __initdata = {
  62         GPIO15_nCS_1,   /* CS1 - Flash */
  63         GPIO78_nCS_2,   /* CS2 - Baseboard FGPA */
  64         GPIO79_nCS_3,   /* CS3 - SMC ethernet */
  65         GPIO80_nCS_4,   /* CS4 - SA1111 */
  66
  67         /* SSP data pins */
  68         GPIO23_SSP1_SCLK,
  69         GPIO25_SSP1_TXD,
  70         GPIO26_SSP1_RXD,
  71
  72         /* AC97 */
  73         GPIO28_AC97_BITCLK,
  74         GPIO29_AC97_SDATA_IN_0,
  75         GPIO30_AC97_SDATA_OUT,
  76         GPIO31_AC97_SYNC,
  77
  78         /* LCD - 16bpp DSTN */
  79         GPIOxx_LCD_DSTN_16BPP,
  80
  81         /* BTUART */
  82         GPIO42_BTUART_RXD,
  83         GPIO43_BTUART_TXD,
  84         GPIO44_BTUART_CTS,
  85         GPIO45_BTUART_RTS,
  86
  87         /* PC Card */
  88         GPIO48_nPOE,
  89         GPIO49_nPWE,
  90         GPIO50_nPIOR,
  91         GPIO51_nPIOW,
  92         GPIO52_nPCE_1,
  93         GPIO53_nPCE_2,
  94         GPIO54_nPSKTSEL,
  95         GPIO55_nPREG,
  96         GPIO56_nPWAIT,
  97         GPIO57_nIOIS16,
  98
  99         /* MMC */
 100         GPIO6_MMC_CLK,
 101         GPIO8_MMC_CS0,
 102
 103         /* SA1111 chip */
 104         GPIO11_3_6MHz,
 105
 106         /* wakeup */
 107         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 108 };
 109
 110 #define LUB_HEXLED              __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
 111
 112 void lubbock_set_hexled(uint32_t value)
 113 {
 114         LUB_HEXLED = value;
 115 }
 116
 117 static struct gpio_chip *lubbock_misc_wr_gc;
 118
 119 static void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
 120 {
 121         unsigned long m = mask, v = set;
 122         lubbock_misc_wr_gc->set_multiple(lubbock_misc_wr_gc, &m, &v);
 123 }
 124
 125 static int lubbock_udc_is_connected(void)
 126 {
 127         return (LUB_MISC_RD & (1 << 9)) == 0;
 128 }
 129
 130 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 131         .udc_is_connected       = lubbock_udc_is_connected,
 132         // no D+ pullup; lubbock can't connect/disconnect in software
 133 };
 134
 135 /* GPIOs for SA1111 PCMCIA */
 136 static struct gpiod_lookup_table sa1111_pcmcia_gpio_table = {
 137         .dev_id = "1800",
 138         .table = {
 139                 { "sa1111", 0, "a0vpp", GPIO_ACTIVE_HIGH },
 140                 { "sa1111", 1, "a1vpp", GPIO_ACTIVE_HIGH },
 141                 { "sa1111", 2, "a0vcc", GPIO_ACTIVE_HIGH },
 142                 { "sa1111", 3, "a1vcc", GPIO_ACTIVE_HIGH },
 143                 { "lubbock", 14, "b0vcc", GPIO_ACTIVE_HIGH },
 144                 { "lubbock", 15, "b1vcc", GPIO_ACTIVE_HIGH },
 145                 { },
 146         },
 147 };
 148
 149 static void lubbock_init_pcmcia(void)
 150 {
 151         struct clk *clk;
 152
 153         gpiod_add_lookup_table(&sa1111_pcmcia_gpio_table);
 154
 155         /* Add an alias for the SA1111 PCMCIA clock */
 156         clk = clk_get_sys("pxa2xx-pcmcia", NULL);
 157         if (!IS_ERR(clk)) {
 158                 clkdev_create(clk, NULL, "1800");
 159                 clk_put(clk);
 160         }
 161 }
 162
 163 static struct resource sa1111_resources[] = {
 164         [0] = {
 165                 .start  = 0x10000000,
 166                 .end    = 0x10001fff,
 167                 .flags  = IORESOURCE_MEM,
 168         },
 169         [1] = {
 170                 .start  = LUBBOCK_SA1111_IRQ,
 171                 .end    = LUBBOCK_SA1111_IRQ,
 172                 .flags  = IORESOURCE_IRQ,
 173         },
 174 };
 175
 176 static struct sa1111_platform_data sa1111_info = {
 177         .irq_base       = LUBBOCK_SA1111_IRQ_BASE,
 178         .disable_devs   = SA1111_DEVID_SAC,
 179 };
 180
 181 static struct platform_device sa1111_device = {
 182         .name           = "sa1111",
 183         .id             = -1,
 184         .num_resources  = ARRAY_SIZE(sa1111_resources),
 185         .resource       = sa1111_resources,
 186         .dev            = {
 187                 .platform_data  = &sa1111_info,
 188         },
 189 };
 190
 191 /* ADS7846 is connected through SSP ... and if your board has J5 populated,
 192  * you can select it to replace the ucb1400 by switching the touchscreen cable
 193  * (to J5) and poking board registers (as done below).  Else it's only useful
 194  * for the temperature sensors.
 195  */
 196 static struct pxa2xx_spi_controller pxa_ssp_master_info = {
 197         .num_chipselect = 1,
 198 };
 199
 200 static int lubbock_ads7846_pendown_state(void)
 201 {
 202         /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
 203         return 0;
 204 }
 205
 206 static struct ads7846_platform_data ads_info = {
 207         .model                  = 7846,
 208         .vref_delay_usecs       = 100,          /* internal, no cap */
 209         .get_pendown_state      = lubbock_ads7846_pendown_state,
 210         // .x_plate_ohms                = 500,  /* GUESS! */
 211         // .y_plate_ohms                = 500,  /* GUESS! */
 212 };
 213
 214 static void ads7846_cs(u32 command)
 215 {
 216         static const unsigned   TS_nCS = 1 << 11;
 217         lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
 218 }
 219
 220 static struct pxa2xx_spi_chip ads_hw = {
 221         .tx_threshold           = 1,
 222         .rx_threshold           = 2,
 223         .cs_control             = ads7846_cs,
 224 };
 225
 226 static struct spi_board_info spi_board_info[] __initdata = { {
 227         .modalias       = "ads7846",
 228         .platform_data  = &ads_info,
 229         .controller_data = &ads_hw,
 230         .irq            = LUBBOCK_BB_IRQ,
 231         .max_speed_hz   = 120000 /* max sample rate at 3V */
 232                                 * 26 /* command + data + overhead */,
 233         .bus_num        = 1,
 234         .chip_select    = 0,
 235 },
 236 };
 237
 238 static struct resource smc91x_resources[] = {
 239         [0] = {
 240                 .name   = "smc91x-regs",
 241                 .start  = 0x0c000c00,
 242                 .end    = 0x0c0fffff,
 243                 .flags  = IORESOURCE_MEM,
 244         },
 245         [1] = {
 246                 .start  = LUBBOCK_ETH_IRQ,
 247                 .end    = LUBBOCK_ETH_IRQ,
 248                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 249         },
 250         [2] = {
 251                 .name   = "smc91x-attrib",
 252                 .start  = 0x0e000000,
 253                 .end    = 0x0e0fffff,
 254                 .flags  = IORESOURCE_MEM,
 255         },
 256 };
 257
 258 static struct smc91x_platdata lubbock_smc91x_info = {
 259         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
 260 };
 261
 262 static struct platform_device smc91x_device = {
 263         .name           = "smc91x",
 264         .id             = -1,
 265         .num_resources  = ARRAY_SIZE(smc91x_resources),
 266         .resource       = smc91x_resources,
 267         .dev            = {
 268                 .platform_data = &lubbock_smc91x_info,
 269         },
 270 };
 271
 272 static struct resource flash_resources[] = {
 273         [0] = {
 274                 .start  = 0x00000000,
 275                 .end    = SZ_64M - 1,
 276                 .flags  = IORESOURCE_MEM,
 277         },
 278         [1] = {
 279                 .start  = 0x04000000,
 280                 .end    = 0x04000000 + SZ_64M - 1,
 281                 .flags  = IORESOURCE_MEM,
 282         },
 283 };
 284
 285 static struct mtd_partition lubbock_partitions[] = {
 286         {
 287                 .name =         "Bootloader",
 288                 .size =         0x00040000,
 289                 .offset =       0,
 290                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 291         },{
 292                 .name =         "Kernel",
 293                 .size =         0x00100000,
 294                 .offset =       0x00040000,
 295         },{
 296                 .name =         "Filesystem",
 297                 .size =         MTDPART_SIZ_FULL,
 298                 .offset =       0x00140000
 299         }
 300 };
 301
 302 static struct flash_platform_data lubbock_flash_data[2] = {
 303         {
 304                 .map_name       = "cfi_probe",
 305                 .parts          = lubbock_partitions,
 306                 .nr_parts       = ARRAY_SIZE(lubbock_partitions),
 307         }, {
 308                 .map_name       = "cfi_probe",
 309                 .parts          = NULL,
 310                 .nr_parts       = 0,
 311         }
 312 };
 313
 314 static struct platform_device lubbock_flash_device[2] = {
 315         {
 316                 .name           = "pxa2xx-flash",
 317                 .id             = 0,
 318                 .dev = {
 319                         .platform_data = &lubbock_flash_data[0],
 320                 },
 321                 .resource = &flash_resources[0],
 322                 .num_resources = 1,
 323         },
 324         {
 325                 .name           = "pxa2xx-flash",
 326                 .id             = 1,
 327                 .dev = {
 328                         .platform_data = &lubbock_flash_data[1],
 329                 },
 330                 .resource = &flash_resources[1],
 331                 .num_resources = 1,
 332         },
 333 };
 334
 335 static struct resource lubbock_cplds_resources[] = {
 336         [0] = {
 337                 .start  = LUBBOCK_FPGA_PHYS + 0xc0,
 338                 .end    = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
 339                 .flags  = IORESOURCE_MEM,
 340         },
 341         [1] = {
 342                 .start  = PXA_GPIO_TO_IRQ(0),
 343                 .end    = PXA_GPIO_TO_IRQ(0),
 344                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 345         },
 346         [2] = {
 347                 .start  = LUBBOCK_IRQ(0),
 348                 .end    = LUBBOCK_IRQ(6),
 349                 .flags  = IORESOURCE_IRQ,
 350         },
 351 };
 352
 353 static struct platform_device lubbock_cplds_device = {
 354         .name           = "pxa_cplds_irqs",
 355         .id             = -1,
 356         .resource       = &lubbock_cplds_resources[0],
 357         .num_resources  = 3,
 358 };
 359
 360
 361 static struct platform_device *devices[] __initdata = {
 362         &sa1111_device,
 363         &smc91x_device,
 364         &lubbock_flash_device[0],
 365         &lubbock_flash_device[1],
 366         &lubbock_cplds_device,
 367 };
 368
 369 static struct pxafb_mode_info sharp_lm8v31_mode = {
 370         .pixclock       = 270000,
 371         .xres           = 640,
 372         .yres           = 480,
 373         .bpp            = 16,
 374         .hsync_len      = 1,
 375         .left_margin    = 3,
 376         .right_margin   = 3,
 377         .vsync_len      = 1,
 378         .upper_margin   = 0,
 379         .lower_margin   = 0,
 380         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 381         .cmap_greyscale = 0,
 382 };
 383
 384 static struct pxafb_mach_info sharp_lm8v31 = {
 385         .modes          = &sharp_lm8v31_mode,
 386         .num_modes      = 1,
 387         .cmap_inverse   = 0,
 388         .cmap_static    = 0,
 389         .lcd_conn       = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
 390                           LCD_AC_BIAS_FREQ(255),
 391 };
 392
 393 #define MMC_POLL_RATE           msecs_to_jiffies(1000)
 394
 395 static irq_handler_t mmc_detect_int;
 396 static void *mmc_detect_int_data;
 397 static struct timer_list mmc_timer;
 398
 399 static void lubbock_mmc_poll(struct timer_list *unused)
 400 {
 401         unsigned long flags;
 402
 403         /* clear any previous irq state, then ... */
 404         local_irq_save(flags);
 405         LUB_IRQ_SET_CLR &= ~(1 << 0);
 406         local_irq_restore(flags);
 407
 408         /* poll until mmc/sd card is removed */
 409         if (LUB_IRQ_SET_CLR & (1 << 0))
 410                 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
 411         else {
 412                 (void) mmc_detect_int(LUBBOCK_SD_IRQ, mmc_detect_int_data);
 413                 enable_irq(LUBBOCK_SD_IRQ);
 414         }
 415 }
 416
 417 static irqreturn_t lubbock_detect_int(int irq, void *data)
 418 {
 419         /* IRQ is level triggered; disable, and poll for removal */
 420         disable_irq(irq);
 421         mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
 422
 423         return mmc_detect_int(irq, data);
 424 }
 425
 426 static int lubbock_mci_init(struct device *dev,
 427                 irq_handler_t detect_int,
 428                 void *data)
 429 {
 430         /* detect card insert/eject */
 431         mmc_detect_int = detect_int;
 432         mmc_detect_int_data = data;
 433         timer_setup(&mmc_timer, lubbock_mmc_poll, 0);
 434         return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
 435                            0, "lubbock-sd-detect", data);
 436 }
 437
 438 static int lubbock_mci_get_ro(struct device *dev)
 439 {
 440         return (LUB_MISC_RD & (1 << 2)) != 0;
 441 }
 442
 443 static void lubbock_mci_exit(struct device *dev, void *data)
 444 {
 445         free_irq(LUBBOCK_SD_IRQ, data);
 446         del_timer_sync(&mmc_timer);
 447 }
 448
 449 static struct pxamci_platform_data lubbock_mci_platform_data = {
 450         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 451         .detect_delay_ms        = 10,
 452         .init                   = lubbock_mci_init,
 453         .get_ro                 = lubbock_mci_get_ro,
 454         .exit                   = lubbock_mci_exit,
 455 };
 456
 457 static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
 458 {
 459         unsigned long flags;
 460
 461         local_irq_save(flags);
 462         if (mode & IR_SIRMODE) {
 463                 lubbock_set_misc_wr(BIT(4), 0);
 464         } else if (mode & IR_FIRMODE) {
 465                 lubbock_set_misc_wr(BIT(4), BIT(4));
 466         }
 467         pxa2xx_transceiver_mode(dev, mode);
 468         local_irq_restore(flags);
 469 }
 470
 471 static struct pxaficp_platform_data lubbock_ficp_platform_data = {
 472         .gpio_pwdown            = -1,
 473         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE,
 474         .transceiver_mode       = lubbock_irda_transceiver_mode,
 475 };
 476
 477 static void __init lubbock_init(void)
 478 {
 479         int flashboot = (LUB_CONF_SWITCHES & 1);
 480
 481         pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
 482
 483         lubbock_misc_wr_gc = gpio_reg_init(NULL, (void *)&LUB_MISC_WR,
 484                                            -1, 16, "lubbock", 0, LUB_MISC_WR,
 485                                            NULL, NULL, NULL);
 486         if (IS_ERR(lubbock_misc_wr_gc)) {
 487                 pr_err("Lubbock: unable to register lubbock GPIOs: %ld\n",
 488                        PTR_ERR(lubbock_misc_wr_gc));
 489                 lubbock_misc_wr_gc = NULL;
 490         }
 491
 492         pxa_set_ffuart_info(NULL);
 493         pxa_set_btuart_info(NULL);
 494         pxa_set_stuart_info(NULL);
 495
 496         lubbock_init_pcmcia();
 497
 498         clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
 499         pxa_set_udc_info(&udc_info);
 500         pxa_set_fb_info(NULL, &sharp_lm8v31);
 501         pxa_set_mci_info(&lubbock_mci_platform_data);
 502         pxa_set_ficp_info(&lubbock_ficp_platform_data);
 503         pxa_set_ac97_info(NULL);
 504
 505         lubbock_flash_data[0].width = lubbock_flash_data[1].width =
 506                 (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
 507         /* Compensate for the nROMBT switch which swaps the flash banks */
 508         printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
 509                flashboot?"Flash":"ROM", flashboot);
 510
 511         lubbock_flash_data[flashboot^1].name = "application-flash";
 512         lubbock_flash_data[flashboot].name = "boot-rom";
 513         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
 514
 515         pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
 516         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 517 }
 518
 519 static struct map_desc lubbock_io_desc[] __initdata = {
 520         {       /* CPLD */
 521                 .virtual        =  LUBBOCK_FPGA_VIRT,
 522                 .pfn            = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
 523                 .length         = 0x00100000,
 524                 .type           = MT_DEVICE
 525         }
 526 };
 527
 528 static void __init lubbock_map_io(void)
 529 {
 530         pxa25x_map_io();
 531         iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
 532
 533         PCFR |= PCFR_OPDE;
 534 }
 535
 536 /*
 537  * Driver for the 8 discrete LEDs available for general use:
 538  * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
 539  * so be sure to not monkey with them here.
 540  */
 541
 542 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
 543 struct lubbock_led {
 544         struct led_classdev     cdev;
 545         u8                      mask;
 546 };
 547
 548 /*
 549  * The triggers lines up below will only be used if the
 550  * LED triggers are compiled in.
 551  */
 552 static const struct {
 553         const char *name;
 554         const char *trigger;
 555 } lubbock_leds[] = {
 556         { "lubbock:D28", "default-on", },
 557         { "lubbock:D27", "cpu0", },
 558         { "lubbock:D26", "heartbeat" },
 559         { "lubbock:D25", },
 560         { "lubbock:D24", },
 561         { "lubbock:D23", },
 562         { "lubbock:D22", },
 563         { "lubbock:D21", },
 564 };
 565
 566 static void lubbock_led_set(struct led_classdev *cdev,
 567                               enum led_brightness b)
 568 {
 569         struct lubbock_led *led = container_of(cdev,
 570                                          struct lubbock_led, cdev);
 571         u32 reg = LUB_DISC_BLNK_LED;
 572
 573         if (b != LED_OFF)
 574                 reg |= led->mask;
 575         else
 576                 reg &= ~led->mask;
 577
 578         LUB_DISC_BLNK_LED = reg;
 579 }
 580
 581 static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
 582 {
 583         struct lubbock_led *led = container_of(cdev,
 584                                          struct lubbock_led, cdev);
 585         u32 reg = LUB_DISC_BLNK_LED;
 586
 587         return (reg & led->mask) ? LED_FULL : LED_OFF;
 588 }
 589
 590 static int __init lubbock_leds_init(void)
 591 {
 592         int i;
 593
 594         if (!machine_is_lubbock())
 595                 return -ENODEV;
 596
 597         /* All ON */
 598         LUB_DISC_BLNK_LED |= 0xff;
 599         for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
 600                 struct lubbock_led *led;
 601
 602                 led = kzalloc(sizeof(*led), GFP_KERNEL);
 603                 if (!led)
 604                         break;
 605
 606                 led->cdev.name = lubbock_leds[i].name;
 607                 led->cdev.brightness_set = lubbock_led_set;
 608                 led->cdev.brightness_get = lubbock_led_get;
 609                 led->cdev.default_trigger = lubbock_leds[i].trigger;
 610                 led->mask = BIT(i);
 611
 612                 if (led_classdev_register(NULL, &led->cdev) < 0) {
 613                         kfree(led);
 614                         break;
 615                 }
 616         }
 617
 618         return 0;
 619 }
 620
 621 /*
 622  * Since we may have triggers on any subsystem, defer registration
 623  * until after subsystem_init.
 624  */
 625 fs_initcall(lubbock_leds_init);
 626 #endif
 627
 628 MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
 629         /* Maintainer: MontaVista Software Inc. */
 630         .map_io         = lubbock_map_io,
 631         .nr_irqs        = LUBBOCK_NR_IRQS,
 632         .init_irq       = pxa25x_init_irq,
 633         .handle_irq     = pxa25x_handle_irq,
 634         .init_time      = pxa_timer_init,
 635         .init_machine   = lubbock_init,
 636         .restart        = pxa_restart,
 637 MACHINE_END