Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6.git] / arch / arm / mach-pxa / mainstone.c
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
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/syscore_ops.h>
19 #include <linux/interrupt.h>
20 #include <linux/sched.h>
21 #include <linux/bitops.h>
22 #include <linux/fb.h>
23 #include <linux/ioport.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/input.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/pwm_backlight.h>
29 #include <linux/smc91x.h>
30 #include <linux/i2c/pxa-i2c.h>
31
32 #include <asm/types.h>
33 #include <asm/setup.h>
34 #include <asm/memory.h>
35 #include <asm/mach-types.h>
36 #include <mach/hardware.h>
37 #include <asm/irq.h>
38 #include <asm/sizes.h>
39
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
43 #include <asm/mach/flash.h>
44
45 #include <mach/pxa27x.h>
46 #include <mach/gpio.h>
47 #include <mach/mainstone.h>
48 #include <mach/audio.h>
49 #include <mach/pxafb.h>
50 #include <mach/mmc.h>
51 #include <mach/irda.h>
52 #include <mach/ohci.h>
53 #include <plat/pxa27x_keypad.h>
54 #include <mach/smemc.h>
55
56 #include "generic.h"
57 #include "devices.h"
58
59 static unsigned long mainstone_pin_config[] = {
60         /* Chip Select */
61         GPIO15_nCS_1,
62
63         /* LCD - 16bpp Active TFT */
64         GPIOxx_LCD_TFT_16BPP,
65         GPIO16_PWM0_OUT,        /* Backlight */
66
67         /* MMC */
68         GPIO32_MMC_CLK,
69         GPIO112_MMC_CMD,
70         GPIO92_MMC_DAT_0,
71         GPIO109_MMC_DAT_1,
72         GPIO110_MMC_DAT_2,
73         GPIO111_MMC_DAT_3,
74
75         /* USB Host Port 1 */
76         GPIO88_USBH1_PWR,
77         GPIO89_USBH1_PEN,
78
79         /* PC Card */
80         GPIO48_nPOE,
81         GPIO49_nPWE,
82         GPIO50_nPIOR,
83         GPIO51_nPIOW,
84         GPIO85_nPCE_1,
85         GPIO54_nPCE_2,
86         GPIO79_PSKTSEL,
87         GPIO55_nPREG,
88         GPIO56_nPWAIT,
89         GPIO57_nIOIS16,
90
91         /* AC97 */
92         GPIO28_AC97_BITCLK,
93         GPIO29_AC97_SDATA_IN_0,
94         GPIO30_AC97_SDATA_OUT,
95         GPIO31_AC97_SYNC,
96         GPIO45_AC97_SYSCLK,
97
98         /* Keypad */
99         GPIO93_KP_DKIN_0,
100         GPIO94_KP_DKIN_1,
101         GPIO95_KP_DKIN_2,
102         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
103         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
104         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
105         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
106         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
107         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
108         GPIO103_KP_MKOUT_0,
109         GPIO104_KP_MKOUT_1,
110         GPIO105_KP_MKOUT_2,
111         GPIO106_KP_MKOUT_3,
112         GPIO107_KP_MKOUT_4,
113         GPIO108_KP_MKOUT_5,
114         GPIO96_KP_MKOUT_6,
115
116         /* I2C */
117         GPIO117_I2C_SCL,
118         GPIO118_I2C_SDA,
119
120         /* GPIO */
121         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
122 };
123
124 static unsigned long mainstone_irq_enabled;
125
126 static void mainstone_mask_irq(struct irq_data *d)
127 {
128         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
129         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
130 }
131
132 static void mainstone_unmask_irq(struct irq_data *d)
133 {
134         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
135         /* the irq can be acknowledged only if deasserted, so it's done here */
136         MST_INTSETCLR &= ~(1 << mainstone_irq);
137         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
138 }
139
140 static struct irq_chip mainstone_irq_chip = {
141         .name           = "FPGA",
142         .irq_ack        = mainstone_mask_irq,
143         .irq_mask       = mainstone_mask_irq,
144         .irq_unmask     = mainstone_unmask_irq,
145 };
146
147 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
148 {
149         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
150         do {
151                 /* clear useless edge notification */
152                 desc->irq_data.chip->irq_ack(&desc->irq_data);
153                 if (likely(pending)) {
154                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
155                         generic_handle_irq(irq);
156                 }
157                 pending = MST_INTSETCLR & mainstone_irq_enabled;
158         } while (pending);
159 }
160
161 static void __init mainstone_init_irq(void)
162 {
163         int irq;
164
165         pxa27x_init_irq();
166
167         /* setup extra Mainstone irqs */
168         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
169                 irq_set_chip_and_handler(irq, &mainstone_irq_chip,
170                                          handle_level_irq);
171                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
172                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
173                 else
174                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
175         }
176         set_irq_flags(MAINSTONE_IRQ(8), 0);
177         set_irq_flags(MAINSTONE_IRQ(12), 0);
178
179         MST_INTMSKENA = 0;
180         MST_INTSETCLR = 0;
181
182         irq_set_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
183         irq_set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
184 }
185
186 #ifdef CONFIG_PM
187
188 static void mainstone_irq_resume(void)
189 {
190         MST_INTMSKENA = mainstone_irq_enabled;
191 }
192
193 static struct syscore_ops mainstone_irq_syscore_ops = {
194         .resume = mainstone_irq_resume,
195 };
196
197 static int __init mainstone_irq_device_init(void)
198 {
199         if (machine_is_mainstone())
200                 register_syscore_ops(&mainstone_irq_syscore_ops);
201
202         return 0;
203 }
204
205 device_initcall(mainstone_irq_device_init);
206
207 #endif
208
209
210 static struct resource smc91x_resources[] = {
211         [0] = {
212                 .start  = (MST_ETH_PHYS + 0x300),
213                 .end    = (MST_ETH_PHYS + 0xfffff),
214                 .flags  = IORESOURCE_MEM,
215         },
216         [1] = {
217                 .start  = MAINSTONE_IRQ(3),
218                 .end    = MAINSTONE_IRQ(3),
219                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
220         }
221 };
222
223 static struct smc91x_platdata mainstone_smc91x_info = {
224         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
225                   SMC91X_NOWAIT | SMC91X_USE_DMA,
226 };
227
228 static struct platform_device smc91x_device = {
229         .name           = "smc91x",
230         .id             = 0,
231         .num_resources  = ARRAY_SIZE(smc91x_resources),
232         .resource       = smc91x_resources,
233         .dev            = {
234                 .platform_data = &mainstone_smc91x_info,
235         },
236 };
237
238 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
239 {
240         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
241                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
242         return 0;
243 }
244
245 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
246 {
247         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
248                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
249 }
250
251 static long mst_audio_suspend_mask;
252
253 static void mst_audio_suspend(void *priv)
254 {
255         mst_audio_suspend_mask = MST_MSCWR2;
256         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
257 }
258
259 static void mst_audio_resume(void *priv)
260 {
261         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
262 }
263
264 static pxa2xx_audio_ops_t mst_audio_ops = {
265         .startup        = mst_audio_startup,
266         .shutdown       = mst_audio_shutdown,
267         .suspend        = mst_audio_suspend,
268         .resume         = mst_audio_resume,
269 };
270
271 static struct resource flash_resources[] = {
272         [0] = {
273                 .start  = PXA_CS0_PHYS,
274                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
275                 .flags  = IORESOURCE_MEM,
276         },
277         [1] = {
278                 .start  = PXA_CS1_PHYS,
279                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
280                 .flags  = IORESOURCE_MEM,
281         },
282 };
283
284 static struct mtd_partition mainstoneflash0_partitions[] = {
285         {
286                 .name =         "Bootloader",
287                 .size =         0x00040000,
288                 .offset =       0,
289                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
290         },{
291                 .name =         "Kernel",
292                 .size =         0x00400000,
293                 .offset =       0x00040000,
294         },{
295                 .name =         "Filesystem",
296                 .size =         MTDPART_SIZ_FULL,
297                 .offset =       0x00440000
298         }
299 };
300
301 static struct flash_platform_data mst_flash_data[2] = {
302         {
303                 .map_name       = "cfi_probe",
304                 .parts          = mainstoneflash0_partitions,
305                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
306         }, {
307                 .map_name       = "cfi_probe",
308                 .parts          = NULL,
309                 .nr_parts       = 0,
310         }
311 };
312
313 static struct platform_device mst_flash_device[2] = {
314         {
315                 .name           = "pxa2xx-flash",
316                 .id             = 0,
317                 .dev = {
318                         .platform_data = &mst_flash_data[0],
319                 },
320                 .resource = &flash_resources[0],
321                 .num_resources = 1,
322         },
323         {
324                 .name           = "pxa2xx-flash",
325                 .id             = 1,
326                 .dev = {
327                         .platform_data = &mst_flash_data[1],
328                 },
329                 .resource = &flash_resources[1],
330                 .num_resources = 1,
331         },
332 };
333
334 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
335 static struct platform_pwm_backlight_data mainstone_backlight_data = {
336         .pwm_id         = 0,
337         .max_brightness = 1023,
338         .dft_brightness = 1023,
339         .pwm_period_ns  = 78770,
340 };
341
342 static struct platform_device mainstone_backlight_device = {
343         .name           = "pwm-backlight",
344         .dev            = {
345                 .parent = &pxa27x_device_pwm0.dev,
346                 .platform_data = &mainstone_backlight_data,
347         },
348 };
349
350 static void __init mainstone_backlight_register(void)
351 {
352         int ret = platform_device_register(&mainstone_backlight_device);
353         if (ret)
354                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
355 }
356 #else
357 #define mainstone_backlight_register()  do { } while (0)
358 #endif
359
360 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
361         .pixclock               = 50000,
362         .xres                   = 640,
363         .yres                   = 480,
364         .bpp                    = 16,
365         .hsync_len              = 1,
366         .left_margin            = 0x9f,
367         .right_margin           = 1,
368         .vsync_len              = 44,
369         .upper_margin           = 0,
370         .lower_margin           = 0,
371         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
372 };
373
374 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
375         .pixclock               = 110000,
376         .xres                   = 240,
377         .yres                   = 320,
378         .bpp                    = 16,
379         .hsync_len              = 4,
380         .left_margin            = 8,
381         .right_margin           = 20,
382         .vsync_len              = 3,
383         .upper_margin           = 1,
384         .lower_margin           = 10,
385         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
386 };
387
388 static struct pxafb_mach_info mainstone_pxafb_info = {
389         .num_modes              = 1,
390         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
391 };
392
393 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
394 {
395         int err;
396
397         /* make sure SD/Memory Stick multiplexer's signals
398          * are routed to MMC controller
399          */
400         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
401
402         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
403                              "MMC card detect", data);
404         if (err)
405                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
406
407         return err;
408 }
409
410 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
411 {
412         struct pxamci_platform_data* p_d = dev->platform_data;
413
414         if (( 1 << vdd) & p_d->ocr_mask) {
415                 printk(KERN_DEBUG "%s: on\n", __func__);
416                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
417                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
418         } else {
419                 printk(KERN_DEBUG "%s: off\n", __func__);
420                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
421         }
422 }
423
424 static void mainstone_mci_exit(struct device *dev, void *data)
425 {
426         free_irq(MAINSTONE_MMC_IRQ, data);
427 }
428
429 static struct pxamci_platform_data mainstone_mci_platform_data = {
430         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
431         .init                   = mainstone_mci_init,
432         .setpower               = mainstone_mci_setpower,
433         .exit                   = mainstone_mci_exit,
434         .gpio_card_detect       = -1,
435         .gpio_card_ro           = -1,
436         .gpio_power             = -1,
437 };
438
439 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
440 {
441         unsigned long flags;
442
443         local_irq_save(flags);
444         if (mode & IR_SIRMODE) {
445                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
446         } else if (mode & IR_FIRMODE) {
447                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
448         }
449         pxa2xx_transceiver_mode(dev, mode);
450         if (mode & IR_OFF) {
451                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
452         } else {
453                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
454         }
455         local_irq_restore(flags);
456 }
457
458 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
459         .gpio_pwdown            = -1,
460         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
461         .transceiver_mode       = mainstone_irda_transceiver_mode,
462 };
463
464 static struct gpio_keys_button gpio_keys_button[] = {
465         [0] = {
466                 .desc   = "wakeup",
467                 .code   = KEY_SUSPEND,
468                 .type   = EV_KEY,
469                 .gpio   = 1,
470                 .wakeup = 1,
471         },
472 };
473
474 static struct gpio_keys_platform_data mainstone_gpio_keys = {
475         .buttons        = gpio_keys_button,
476         .nbuttons       = 1,
477 };
478
479 static struct platform_device mst_gpio_keys_device = {
480         .name           = "gpio-keys",
481         .id             = -1,
482         .dev            = {
483                 .platform_data  = &mainstone_gpio_keys,
484         },
485 };
486
487 static struct platform_device *platform_devices[] __initdata = {
488         &smc91x_device,
489         &mst_flash_device[0],
490         &mst_flash_device[1],
491         &mst_gpio_keys_device,
492 };
493
494 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
495         .port_mode      = PMM_PERPORT_MODE,
496         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
497 };
498
499 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
500 static unsigned int mainstone_matrix_keys[] = {
501         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
502         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
503         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
504         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
505         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
506         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
507         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
508         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
509         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
510
511         KEY(0, 4, KEY_DOT),     /* . */
512         KEY(1, 4, KEY_CLOSE),   /* @ */
513         KEY(4, 4, KEY_SLASH),
514         KEY(5, 4, KEY_BACKSLASH),
515         KEY(0, 5, KEY_HOME),
516         KEY(1, 5, KEY_LEFTSHIFT),
517         KEY(2, 5, KEY_SPACE),
518         KEY(3, 5, KEY_SPACE),
519         KEY(4, 5, KEY_ENTER),
520         KEY(5, 5, KEY_BACKSPACE),
521
522         KEY(0, 6, KEY_UP),
523         KEY(1, 6, KEY_DOWN),
524         KEY(2, 6, KEY_LEFT),
525         KEY(3, 6, KEY_RIGHT),
526         KEY(4, 6, KEY_SELECT),
527 };
528
529 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
530         .matrix_key_rows        = 6,
531         .matrix_key_cols        = 7,
532         .matrix_key_map         = mainstone_matrix_keys,
533         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
534
535         .enable_rotary0         = 1,
536         .rotary0_up_key         = KEY_UP,
537         .rotary0_down_key       = KEY_DOWN,
538
539         .debounce_interval      = 30,
540 };
541
542 static void __init mainstone_init_keypad(void)
543 {
544         pxa_set_keypad_info(&mainstone_keypad_info);
545 }
546 #else
547 static inline void mainstone_init_keypad(void) {}
548 #endif
549
550 static void __init mainstone_init(void)
551 {
552         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
553
554         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
555
556         pxa_set_ffuart_info(NULL);
557         pxa_set_btuart_info(NULL);
558         pxa_set_stuart_info(NULL);
559
560         mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
561         mst_flash_data[1].width = 4;
562
563         /* Compensate for SW7 which swaps the flash banks */
564         mst_flash_data[SW7].name = "processor-flash";
565         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
566
567         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
568                mst_flash_data[0].name);
569
570         /* system bus arbiter setting
571          * - Core_Park
572          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
573          */
574         ARB_CNTRL = ARB_CORE_PARK | 0x234;
575
576         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
577
578         /* reading Mainstone's "Virtual Configuration Register"
579            might be handy to select LCD type here */
580         if (0)
581                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
582         else
583                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
584
585         pxa_set_fb_info(NULL, &mainstone_pxafb_info);
586         mainstone_backlight_register();
587
588         pxa_set_mci_info(&mainstone_mci_platform_data);
589         pxa_set_ficp_info(&mainstone_ficp_platform_data);
590         pxa_set_ohci_info(&mainstone_ohci_platform_data);
591         pxa_set_i2c_info(NULL);
592         pxa_set_ac97_info(&mst_audio_ops);
593
594         mainstone_init_keypad();
595 }
596
597
598 static struct map_desc mainstone_io_desc[] __initdata = {
599         {       /* CPLD */
600                 .virtual        =  MST_FPGA_VIRT,
601                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
602                 .length         = 0x00100000,
603                 .type           = MT_DEVICE
604         }
605 };
606
607 static void __init mainstone_map_io(void)
608 {
609         pxa27x_map_io();
610         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
611
612         /*      for use I SRAM as framebuffer.  */
613         PSLR |= 0xF04;
614         PCFR = 0x66;
615 }
616
617 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
618         /* Maintainer: MontaVista Software Inc. */
619         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
620         .map_io         = mainstone_map_io,
621         .nr_irqs        = MAINSTONE_NR_IRQS,
622         .init_irq       = mainstone_init_irq,
623         .timer          = &pxa_timer,
624         .init_machine   = mainstone_init,
625 MACHINE_END