1/* 2 * linux/arch/arm/mach-pxa/mainstone.c 3 * 4 * Support for the Intel HCDDBBVA0 Development Platform. 5 * (go figure how they came up with such name...) 6 * 7 * Author: Nicolas Pitre 8 * Created: Nov 05, 2002 9 * Copyright: MontaVista Software Inc. 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#include <linux/gpio.h> 16#include <linux/gpio/machine.h> 17#include <linux/init.h> 18#include <linux/platform_device.h> 19#include <linux/syscore_ops.h> 20#include <linux/interrupt.h> 21#include <linux/sched.h> 22#include <linux/bitops.h> 23#include <linux/fb.h> 24#include <linux/ioport.h> 25#include <linux/mtd/mtd.h> 26#include <linux/mtd/partitions.h> 27#include <linux/input.h> 28#include <linux/gpio_keys.h> 29#include <linux/pwm_backlight.h> 30#include <linux/smc91x.h> 31#include <linux/i2c/pxa-i2c.h> 32#include <linux/slab.h> 33#include <linux/leds.h> 34 35#include <asm/types.h> 36#include <asm/setup.h> 37#include <asm/memory.h> 38#include <asm/mach-types.h> 39#include <mach/hardware.h> 40#include <asm/irq.h> 41#include <asm/sizes.h> 42 43#include <asm/mach/arch.h> 44#include <asm/mach/map.h> 45#include <asm/mach/irq.h> 46#include <asm/mach/flash.h> 47 48#include <mach/pxa27x.h> 49#include <mach/mainstone.h> 50#include <mach/audio.h> 51#include <linux/platform_data/video-pxafb.h> 52#include <linux/platform_data/mmc-pxamci.h> 53#include <linux/platform_data/irda-pxaficp.h> 54#include <linux/platform_data/usb-ohci-pxa27x.h> 55#include <linux/platform_data/keypad-pxa27x.h> 56#include <mach/smemc.h> 57 58#include "generic.h" 59#include "devices.h" 60 61static unsigned long mainstone_pin_config[] = { 62 /* Chip Select */ 63 GPIO15_nCS_1, 64 65 /* LCD - 16bpp Active TFT */ 66 GPIOxx_LCD_TFT_16BPP, 67 GPIO16_PWM0_OUT, /* Backlight */ 68 69 /* MMC */ 70 GPIO32_MMC_CLK, 71 GPIO112_MMC_CMD, 72 GPIO92_MMC_DAT_0, 73 GPIO109_MMC_DAT_1, 74 GPIO110_MMC_DAT_2, 75 GPIO111_MMC_DAT_3, 76 77 /* USB Host Port 1 */ 78 GPIO88_USBH1_PWR, 79 GPIO89_USBH1_PEN, 80 81 /* PC Card */ 82 GPIO48_nPOE, 83 GPIO49_nPWE, 84 GPIO50_nPIOR, 85 GPIO51_nPIOW, 86 GPIO85_nPCE_1, 87 GPIO54_nPCE_2, 88 GPIO79_PSKTSEL, 89 GPIO55_nPREG, 90 GPIO56_nPWAIT, 91 GPIO57_nIOIS16, 92 93 /* AC97 */ 94 GPIO28_AC97_BITCLK, 95 GPIO29_AC97_SDATA_IN_0, 96 GPIO30_AC97_SDATA_OUT, 97 GPIO31_AC97_SYNC, 98 GPIO45_AC97_SYSCLK, 99 100 /* Keypad */ 101 GPIO93_KP_DKIN_0, 102 GPIO94_KP_DKIN_1, 103 GPIO95_KP_DKIN_2, 104 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, 105 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, 106 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, 107 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, 108 GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, 109 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, 110 GPIO103_KP_MKOUT_0, 111 GPIO104_KP_MKOUT_1, 112 GPIO105_KP_MKOUT_2, 113 GPIO106_KP_MKOUT_3, 114 GPIO107_KP_MKOUT_4, 115 GPIO108_KP_MKOUT_5, 116 GPIO96_KP_MKOUT_6, 117 118 /* I2C */ 119 GPIO117_I2C_SCL, 120 GPIO118_I2C_SDA, 121 122 /* GPIO */ 123 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, 124}; 125 126static struct resource smc91x_resources[] = { 127 [0] = { 128 .start = (MST_ETH_PHYS + 0x300), 129 .end = (MST_ETH_PHYS + 0xfffff), 130 .flags = IORESOURCE_MEM, 131 }, 132 [1] = { 133 .start = MAINSTONE_IRQ(3), 134 .end = MAINSTONE_IRQ(3), 135 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 136 } 137}; 138 139static struct smc91x_platdata mainstone_smc91x_info = { 140 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | 141 SMC91X_NOWAIT | SMC91X_USE_DMA, 142}; 143 144static struct platform_device smc91x_device = { 145 .name = "smc91x", 146 .id = 0, 147 .num_resources = ARRAY_SIZE(smc91x_resources), 148 .resource = smc91x_resources, 149 .dev = { 150 .platform_data = &mainstone_smc91x_info, 151 }, 152}; 153 154static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv) 155{ 156 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 157 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF; 158 return 0; 159} 160 161static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv) 162{ 163 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 164 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; 165} 166 167static long mst_audio_suspend_mask; 168 169static void mst_audio_suspend(void *priv) 170{ 171 mst_audio_suspend_mask = MST_MSCWR2; 172 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; 173} 174 175static void mst_audio_resume(void *priv) 176{ 177 MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF; 178} 179 180static pxa2xx_audio_ops_t mst_audio_ops = { 181 .startup = mst_audio_startup, 182 .shutdown = mst_audio_shutdown, 183 .suspend = mst_audio_suspend, 184 .resume = mst_audio_resume, 185}; 186 187static struct resource flash_resources[] = { 188 [0] = { 189 .start = PXA_CS0_PHYS, 190 .end = PXA_CS0_PHYS + SZ_64M - 1, 191 .flags = IORESOURCE_MEM, 192 }, 193 [1] = { 194 .start = PXA_CS1_PHYS, 195 .end = PXA_CS1_PHYS + SZ_64M - 1, 196 .flags = IORESOURCE_MEM, 197 }, 198}; 199 200static struct mtd_partition mainstoneflash0_partitions[] = { 201 { 202 .name = "Bootloader", 203 .size = 0x00040000, 204 .offset = 0, 205 .mask_flags = MTD_WRITEABLE /* force read-only */ 206 },{ 207 .name = "Kernel", 208 .size = 0x00400000, 209 .offset = 0x00040000, 210 },{ 211 .name = "Filesystem", 212 .size = MTDPART_SIZ_FULL, 213 .offset = 0x00440000 214 } 215}; 216 217static struct flash_platform_data mst_flash_data[2] = { 218 { 219 .map_name = "cfi_probe", 220 .parts = mainstoneflash0_partitions, 221 .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions), 222 }, { 223 .map_name = "cfi_probe", 224 .parts = NULL, 225 .nr_parts = 0, 226 } 227}; 228 229static struct platform_device mst_flash_device[2] = { 230 { 231 .name = "pxa2xx-flash", 232 .id = 0, 233 .dev = { 234 .platform_data = &mst_flash_data[0], 235 }, 236 .resource = &flash_resources[0], 237 .num_resources = 1, 238 }, 239 { 240 .name = "pxa2xx-flash", 241 .id = 1, 242 .dev = { 243 .platform_data = &mst_flash_data[1], 244 }, 245 .resource = &flash_resources[1], 246 .num_resources = 1, 247 }, 248}; 249 250#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 251static struct platform_pwm_backlight_data mainstone_backlight_data = { 252 .pwm_id = 0, 253 .max_brightness = 1023, 254 .dft_brightness = 1023, 255 .pwm_period_ns = 78770, 256 .enable_gpio = -1, 257}; 258 259static struct platform_device mainstone_backlight_device = { 260 .name = "pwm-backlight", 261 .dev = { 262 .parent = &pxa27x_device_pwm0.dev, 263 .platform_data = &mainstone_backlight_data, 264 }, 265}; 266 267static void __init mainstone_backlight_register(void) 268{ 269 int ret = platform_device_register(&mainstone_backlight_device); 270 if (ret) 271 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); 272} 273#else 274#define mainstone_backlight_register() do { } while (0) 275#endif 276 277static struct pxafb_mode_info toshiba_ltm04c380k_mode = { 278 .pixclock = 50000, 279 .xres = 640, 280 .yres = 480, 281 .bpp = 16, 282 .hsync_len = 1, 283 .left_margin = 0x9f, 284 .right_margin = 1, 285 .vsync_len = 44, 286 .upper_margin = 0, 287 .lower_margin = 0, 288 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, 289}; 290 291static struct pxafb_mode_info toshiba_ltm035a776c_mode = { 292 .pixclock = 110000, 293 .xres = 240, 294 .yres = 320, 295 .bpp = 16, 296 .hsync_len = 4, 297 .left_margin = 8, 298 .right_margin = 20, 299 .vsync_len = 3, 300 .upper_margin = 1, 301 .lower_margin = 10, 302 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, 303}; 304 305static struct pxafb_mach_info mainstone_pxafb_info = { 306 .num_modes = 1, 307 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, 308}; 309 310static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data) 311{ 312 int err; 313 314 /* make sure SD/Memory Stick multiplexer's signals 315 * are routed to MMC controller 316 */ 317 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; 318 319 err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0, 320 "MMC card detect", data); 321 if (err) 322 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); 323 324 return err; 325} 326 327static int mainstone_mci_setpower(struct device *dev, unsigned int vdd) 328{ 329 struct pxamci_platform_data* p_d = dev->platform_data; 330 331 if (( 1 << vdd) & p_d->ocr_mask) { 332 printk(KERN_DEBUG "%s: on\n", __func__); 333 MST_MSCWR1 |= MST_MSCWR1_MMC_ON; 334 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; 335 } else { 336 printk(KERN_DEBUG "%s: off\n", __func__); 337 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON; 338 } 339 return 0; 340} 341 342static void mainstone_mci_exit(struct device *dev, void *data) 343{ 344 free_irq(MAINSTONE_MMC_IRQ, data); 345} 346 347static struct pxamci_platform_data mainstone_mci_platform_data = { 348 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 349 .init = mainstone_mci_init, 350 .setpower = mainstone_mci_setpower, 351 .exit = mainstone_mci_exit, 352 .gpio_card_detect = -1, 353 .gpio_card_ro = -1, 354 .gpio_power = -1, 355}; 356 357static void mainstone_irda_transceiver_mode(struct device *dev, int mode) 358{ 359 unsigned long flags; 360 361 local_irq_save(flags); 362 if (mode & IR_SIRMODE) { 363 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR; 364 } else if (mode & IR_FIRMODE) { 365 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR; 366 } 367 pxa2xx_transceiver_mode(dev, mode); 368 if (mode & IR_OFF) { 369 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF; 370 } else { 371 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL; 372 } 373 local_irq_restore(flags); 374} 375 376static struct pxaficp_platform_data mainstone_ficp_platform_data = { 377 .gpio_pwdown = -1, 378 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, 379 .transceiver_mode = mainstone_irda_transceiver_mode, 380}; 381 382static struct gpio_keys_button gpio_keys_button[] = { 383 [0] = { 384 .desc = "wakeup", 385 .code = KEY_SUSPEND, 386 .type = EV_KEY, 387 .gpio = 1, 388 .wakeup = 1, 389 }, 390}; 391 392static struct gpio_keys_platform_data mainstone_gpio_keys = { 393 .buttons = gpio_keys_button, 394 .nbuttons = 1, 395}; 396 397static struct platform_device mst_gpio_keys_device = { 398 .name = "gpio-keys", 399 .id = -1, 400 .dev = { 401 .platform_data = &mainstone_gpio_keys, 402 }, 403}; 404 405static struct resource mst_cplds_resources[] = { 406 [0] = { 407 .start = MST_FPGA_PHYS + 0xc0, 408 .end = MST_FPGA_PHYS + 0xe0 - 1, 409 .flags = IORESOURCE_MEM, 410 }, 411 [1] = { 412 .start = PXA_GPIO_TO_IRQ(0), 413 .end = PXA_GPIO_TO_IRQ(0), 414 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, 415 }, 416 [2] = { 417 .start = MAINSTONE_IRQ(0), 418 .end = MAINSTONE_IRQ(15), 419 .flags = IORESOURCE_IRQ, 420 }, 421}; 422 423static struct platform_device mst_cplds_device = { 424 .name = "pxa_cplds_irqs", 425 .id = -1, 426 .resource = &mst_cplds_resources[0], 427 .num_resources = 3, 428}; 429 430static struct platform_device *platform_devices[] __initdata = { 431 &smc91x_device, 432 &mst_flash_device[0], 433 &mst_flash_device[1], 434 &mst_gpio_keys_device, 435 &mst_cplds_device, 436}; 437 438static struct pxaohci_platform_data mainstone_ohci_platform_data = { 439 .port_mode = PMM_PERPORT_MODE, 440 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, 441}; 442 443#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 444static const unsigned int mainstone_matrix_keys[] = { 445 KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C), 446 KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F), 447 KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I), 448 KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L), 449 KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O), 450 KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R), 451 KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U), 452 KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X), 453 KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z), 454 455 KEY(0, 4, KEY_DOT), /* . */ 456 KEY(1, 4, KEY_CLOSE), /* @ */ 457 KEY(4, 4, KEY_SLASH), 458 KEY(5, 4, KEY_BACKSLASH), 459 KEY(0, 5, KEY_HOME), 460 KEY(1, 5, KEY_LEFTSHIFT), 461 KEY(2, 5, KEY_SPACE), 462 KEY(3, 5, KEY_SPACE), 463 KEY(4, 5, KEY_ENTER), 464 KEY(5, 5, KEY_BACKSPACE), 465 466 KEY(0, 6, KEY_UP), 467 KEY(1, 6, KEY_DOWN), 468 KEY(2, 6, KEY_LEFT), 469 KEY(3, 6, KEY_RIGHT), 470 KEY(4, 6, KEY_SELECT), 471}; 472 473static struct matrix_keymap_data mainstone_matrix_keymap_data = { 474 .keymap = mainstone_matrix_keys, 475 .keymap_size = ARRAY_SIZE(mainstone_matrix_keys), 476}; 477 478struct pxa27x_keypad_platform_data mainstone_keypad_info = { 479 .matrix_key_rows = 6, 480 .matrix_key_cols = 7, 481 .matrix_keymap_data = &mainstone_matrix_keymap_data, 482 483 .enable_rotary0 = 1, 484 .rotary0_up_key = KEY_UP, 485 .rotary0_down_key = KEY_DOWN, 486 487 .debounce_interval = 30, 488}; 489 490static void __init mainstone_init_keypad(void) 491{ 492 pxa_set_keypad_info(&mainstone_keypad_info); 493} 494#else 495static inline void mainstone_init_keypad(void) {} 496#endif 497 498static void __init mainstone_init(void) 499{ 500 int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ 501 502 pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config)); 503 504 pxa_set_ffuart_info(NULL); 505 pxa_set_btuart_info(NULL); 506 pxa_set_stuart_info(NULL); 507 508 mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; 509 mst_flash_data[1].width = 4; 510 511 /* Compensate for SW7 which swaps the flash banks */ 512 mst_flash_data[SW7].name = "processor-flash"; 513 mst_flash_data[SW7 ^ 1].name = "mainboard-flash"; 514 515 printk(KERN_NOTICE "Mainstone configured to boot from %s\n", 516 mst_flash_data[0].name); 517 518 /* system bus arbiter setting 519 * - Core_Park 520 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4 521 */ 522 ARB_CNTRL = ARB_CORE_PARK | 0x234; 523 524 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); 525 526 /* reading Mainstone's "Virtual Configuration Register" 527 might be handy to select LCD type here */ 528 if (0) 529 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode; 530 else 531 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode; 532 533 pxa_set_fb_info(NULL, &mainstone_pxafb_info); 534 mainstone_backlight_register(); 535 536 pxa_set_mci_info(&mainstone_mci_platform_data); 537 pxa_set_ficp_info(&mainstone_ficp_platform_data); 538 pxa_set_ohci_info(&mainstone_ohci_platform_data); 539 pxa_set_i2c_info(NULL); 540 pxa_set_ac97_info(&mst_audio_ops); 541 542 mainstone_init_keypad(); 543} 544 545 546static struct map_desc mainstone_io_desc[] __initdata = { 547 { /* CPLD */ 548 .virtual = MST_FPGA_VIRT, 549 .pfn = __phys_to_pfn(MST_FPGA_PHYS), 550 .length = 0x00100000, 551 .type = MT_DEVICE 552 } 553}; 554 555static void __init mainstone_map_io(void) 556{ 557 pxa27x_map_io(); 558 iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc)); 559 560 /* for use I SRAM as framebuffer. */ 561 PSLR |= 0xF04; 562 PCFR = 0x66; 563} 564 565/* 566 * Driver for the 8 discrete LEDs available for general use: 567 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays 568 * so be sure to not monkey with them here. 569 */ 570 571#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) 572struct mainstone_led { 573 struct led_classdev cdev; 574 u8 mask; 575}; 576 577/* 578 * The triggers lines up below will only be used if the 579 * LED triggers are compiled in. 580 */ 581static const struct { 582 const char *name; 583 const char *trigger; 584} mainstone_leds[] = { 585 { "mainstone:D28", "default-on", }, 586 { "mainstone:D27", "cpu0", }, 587 { "mainstone:D26", "heartbeat" }, 588 { "mainstone:D25", }, 589 { "mainstone:D24", }, 590 { "mainstone:D23", }, 591 { "mainstone:D22", }, 592 { "mainstone:D21", }, 593}; 594 595static void mainstone_led_set(struct led_classdev *cdev, 596 enum led_brightness b) 597{ 598 struct mainstone_led *led = container_of(cdev, 599 struct mainstone_led, cdev); 600 u32 reg = MST_LEDCTRL; 601 602 if (b != LED_OFF) 603 reg |= led->mask; 604 else 605 reg &= ~led->mask; 606 607 MST_LEDCTRL = reg; 608} 609 610static enum led_brightness mainstone_led_get(struct led_classdev *cdev) 611{ 612 struct mainstone_led *led = container_of(cdev, 613 struct mainstone_led, cdev); 614 u32 reg = MST_LEDCTRL; 615 616 return (reg & led->mask) ? LED_FULL : LED_OFF; 617} 618 619static int __init mainstone_leds_init(void) 620{ 621 int i; 622 623 if (!machine_is_mainstone()) 624 return -ENODEV; 625 626 /* All ON */ 627 MST_LEDCTRL |= 0xff; 628 for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) { 629 struct mainstone_led *led; 630 631 led = kzalloc(sizeof(*led), GFP_KERNEL); 632 if (!led) 633 break; 634 635 led->cdev.name = mainstone_leds[i].name; 636 led->cdev.brightness_set = mainstone_led_set; 637 led->cdev.brightness_get = mainstone_led_get; 638 led->cdev.default_trigger = mainstone_leds[i].trigger; 639 led->mask = BIT(i); 640 641 if (led_classdev_register(NULL, &led->cdev) < 0) { 642 kfree(led); 643 break; 644 } 645 } 646 647 return 0; 648} 649 650/* 651 * Since we may have triggers on any subsystem, defer registration 652 * until after subsystem_init. 653 */ 654fs_initcall(mainstone_leds_init); 655#endif 656 657MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") 658 /* Maintainer: MontaVista Software Inc. */ 659 .atag_offset = 0x100, /* BLOB boot parameter setting */ 660 .map_io = mainstone_map_io, 661 .nr_irqs = MAINSTONE_NR_IRQS, 662 .init_irq = pxa27x_init_irq, 663 .handle_irq = pxa27x_handle_irq, 664 .init_time = pxa_timer_init, 665 .init_machine = mainstone_init, 666 .restart = pxa_restart, 667MACHINE_END 668