Merge branch 'depends/rmk/memory_h' into next/fixes
[pandora-kernel.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 #include <linux/gpio.h>
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/mainstone.h>
47 #include <mach/audio.h>
48 #include <mach/pxafb.h>
49 #include <mach/mmc.h>
50 #include <mach/irda.h>
51 #include <mach/ohci.h>
52 #include <plat/pxa27x_keypad.h>
53 #include <mach/smemc.h>
54
55 #include "generic.h"
56 #include "devices.h"
57
58 static unsigned long mainstone_pin_config[] = {
59         /* Chip Select */
60         GPIO15_nCS_1,
61
62         /* LCD - 16bpp Active TFT */
63         GPIOxx_LCD_TFT_16BPP,
64         GPIO16_PWM0_OUT,        /* Backlight */
65
66         /* MMC */
67         GPIO32_MMC_CLK,
68         GPIO112_MMC_CMD,
69         GPIO92_MMC_DAT_0,
70         GPIO109_MMC_DAT_1,
71         GPIO110_MMC_DAT_2,
72         GPIO111_MMC_DAT_3,
73
74         /* USB Host Port 1 */
75         GPIO88_USBH1_PWR,
76         GPIO89_USBH1_PEN,
77
78         /* PC Card */
79         GPIO48_nPOE,
80         GPIO49_nPWE,
81         GPIO50_nPIOR,
82         GPIO51_nPIOW,
83         GPIO85_nPCE_1,
84         GPIO54_nPCE_2,
85         GPIO79_PSKTSEL,
86         GPIO55_nPREG,
87         GPIO56_nPWAIT,
88         GPIO57_nIOIS16,
89
90         /* AC97 */
91         GPIO28_AC97_BITCLK,
92         GPIO29_AC97_SDATA_IN_0,
93         GPIO30_AC97_SDATA_OUT,
94         GPIO31_AC97_SYNC,
95         GPIO45_AC97_SYSCLK,
96
97         /* Keypad */
98         GPIO93_KP_DKIN_0,
99         GPIO94_KP_DKIN_1,
100         GPIO95_KP_DKIN_2,
101         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
102         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
103         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
104         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
105         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
106         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
107         GPIO103_KP_MKOUT_0,
108         GPIO104_KP_MKOUT_1,
109         GPIO105_KP_MKOUT_2,
110         GPIO106_KP_MKOUT_3,
111         GPIO107_KP_MKOUT_4,
112         GPIO108_KP_MKOUT_5,
113         GPIO96_KP_MKOUT_6,
114
115         /* I2C */
116         GPIO117_I2C_SCL,
117         GPIO118_I2C_SDA,
118
119         /* GPIO */
120         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
121 };
122
123 static unsigned long mainstone_irq_enabled;
124
125 static void mainstone_mask_irq(struct irq_data *d)
126 {
127         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
128         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
129 }
130
131 static void mainstone_unmask_irq(struct irq_data *d)
132 {
133         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
134         /* the irq can be acknowledged only if deasserted, so it's done here */
135         MST_INTSETCLR &= ~(1 << mainstone_irq);
136         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
137 }
138
139 static struct irq_chip mainstone_irq_chip = {
140         .name           = "FPGA",
141         .irq_ack        = mainstone_mask_irq,
142         .irq_mask       = mainstone_mask_irq,
143         .irq_unmask     = mainstone_unmask_irq,
144 };
145
146 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
147 {
148         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
149         do {
150                 /* clear useless edge notification */
151                 desc->irq_data.chip->irq_ack(&desc->irq_data);
152                 if (likely(pending)) {
153                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
154                         generic_handle_irq(irq);
155                 }
156                 pending = MST_INTSETCLR & mainstone_irq_enabled;
157         } while (pending);
158 }
159
160 static void __init mainstone_init_irq(void)
161 {
162         int irq;
163
164         pxa27x_init_irq();
165
166         /* setup extra Mainstone irqs */
167         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
168                 irq_set_chip_and_handler(irq, &mainstone_irq_chip,
169                                          handle_level_irq);
170                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
171                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
172                 else
173                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
174         }
175         set_irq_flags(MAINSTONE_IRQ(8), 0);
176         set_irq_flags(MAINSTONE_IRQ(12), 0);
177
178         MST_INTMSKENA = 0;
179         MST_INTSETCLR = 0;
180
181         irq_set_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
182         irq_set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
183 }
184
185 #ifdef CONFIG_PM
186
187 static void mainstone_irq_resume(void)
188 {
189         MST_INTMSKENA = mainstone_irq_enabled;
190 }
191
192 static struct syscore_ops mainstone_irq_syscore_ops = {
193         .resume = mainstone_irq_resume,
194 };
195
196 static int __init mainstone_irq_device_init(void)
197 {
198         if (machine_is_mainstone())
199                 register_syscore_ops(&mainstone_irq_syscore_ops);
200
201         return 0;
202 }
203
204 device_initcall(mainstone_irq_device_init);
205
206 #endif
207
208
209 static struct resource smc91x_resources[] = {
210         [0] = {
211                 .start  = (MST_ETH_PHYS + 0x300),
212                 .end    = (MST_ETH_PHYS + 0xfffff),
213                 .flags  = IORESOURCE_MEM,
214         },
215         [1] = {
216                 .start  = MAINSTONE_IRQ(3),
217                 .end    = MAINSTONE_IRQ(3),
218                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
219         }
220 };
221
222 static struct smc91x_platdata mainstone_smc91x_info = {
223         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
224                   SMC91X_NOWAIT | SMC91X_USE_DMA,
225 };
226
227 static struct platform_device smc91x_device = {
228         .name           = "smc91x",
229         .id             = 0,
230         .num_resources  = ARRAY_SIZE(smc91x_resources),
231         .resource       = smc91x_resources,
232         .dev            = {
233                 .platform_data = &mainstone_smc91x_info,
234         },
235 };
236
237 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
238 {
239         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
240                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
241         return 0;
242 }
243
244 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
245 {
246         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
247                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
248 }
249
250 static long mst_audio_suspend_mask;
251
252 static void mst_audio_suspend(void *priv)
253 {
254         mst_audio_suspend_mask = MST_MSCWR2;
255         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
256 }
257
258 static void mst_audio_resume(void *priv)
259 {
260         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
261 }
262
263 static pxa2xx_audio_ops_t mst_audio_ops = {
264         .startup        = mst_audio_startup,
265         .shutdown       = mst_audio_shutdown,
266         .suspend        = mst_audio_suspend,
267         .resume         = mst_audio_resume,
268 };
269
270 static struct resource flash_resources[] = {
271         [0] = {
272                 .start  = PXA_CS0_PHYS,
273                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
274                 .flags  = IORESOURCE_MEM,
275         },
276         [1] = {
277                 .start  = PXA_CS1_PHYS,
278                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
279                 .flags  = IORESOURCE_MEM,
280         },
281 };
282
283 static struct mtd_partition mainstoneflash0_partitions[] = {
284         {
285                 .name =         "Bootloader",
286                 .size =         0x00040000,
287                 .offset =       0,
288                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
289         },{
290                 .name =         "Kernel",
291                 .size =         0x00400000,
292                 .offset =       0x00040000,
293         },{
294                 .name =         "Filesystem",
295                 .size =         MTDPART_SIZ_FULL,
296                 .offset =       0x00440000
297         }
298 };
299
300 static struct flash_platform_data mst_flash_data[2] = {
301         {
302                 .map_name       = "cfi_probe",
303                 .parts          = mainstoneflash0_partitions,
304                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
305         }, {
306                 .map_name       = "cfi_probe",
307                 .parts          = NULL,
308                 .nr_parts       = 0,
309         }
310 };
311
312 static struct platform_device mst_flash_device[2] = {
313         {
314                 .name           = "pxa2xx-flash",
315                 .id             = 0,
316                 .dev = {
317                         .platform_data = &mst_flash_data[0],
318                 },
319                 .resource = &flash_resources[0],
320                 .num_resources = 1,
321         },
322         {
323                 .name           = "pxa2xx-flash",
324                 .id             = 1,
325                 .dev = {
326                         .platform_data = &mst_flash_data[1],
327                 },
328                 .resource = &flash_resources[1],
329                 .num_resources = 1,
330         },
331 };
332
333 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
334 static struct platform_pwm_backlight_data mainstone_backlight_data = {
335         .pwm_id         = 0,
336         .max_brightness = 1023,
337         .dft_brightness = 1023,
338         .pwm_period_ns  = 78770,
339 };
340
341 static struct platform_device mainstone_backlight_device = {
342         .name           = "pwm-backlight",
343         .dev            = {
344                 .parent = &pxa27x_device_pwm0.dev,
345                 .platform_data = &mainstone_backlight_data,
346         },
347 };
348
349 static void __init mainstone_backlight_register(void)
350 {
351         int ret = platform_device_register(&mainstone_backlight_device);
352         if (ret)
353                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
354 }
355 #else
356 #define mainstone_backlight_register()  do { } while (0)
357 #endif
358
359 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
360         .pixclock               = 50000,
361         .xres                   = 640,
362         .yres                   = 480,
363         .bpp                    = 16,
364         .hsync_len              = 1,
365         .left_margin            = 0x9f,
366         .right_margin           = 1,
367         .vsync_len              = 44,
368         .upper_margin           = 0,
369         .lower_margin           = 0,
370         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
371 };
372
373 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
374         .pixclock               = 110000,
375         .xres                   = 240,
376         .yres                   = 320,
377         .bpp                    = 16,
378         .hsync_len              = 4,
379         .left_margin            = 8,
380         .right_margin           = 20,
381         .vsync_len              = 3,
382         .upper_margin           = 1,
383         .lower_margin           = 10,
384         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
385 };
386
387 static struct pxafb_mach_info mainstone_pxafb_info = {
388         .num_modes              = 1,
389         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
390 };
391
392 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
393 {
394         int err;
395
396         /* make sure SD/Memory Stick multiplexer's signals
397          * are routed to MMC controller
398          */
399         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
400
401         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
402                              "MMC card detect", data);
403         if (err)
404                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
405
406         return err;
407 }
408
409 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
410 {
411         struct pxamci_platform_data* p_d = dev->platform_data;
412
413         if (( 1 << vdd) & p_d->ocr_mask) {
414                 printk(KERN_DEBUG "%s: on\n", __func__);
415                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
416                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
417         } else {
418                 printk(KERN_DEBUG "%s: off\n", __func__);
419                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
420         }
421 }
422
423 static void mainstone_mci_exit(struct device *dev, void *data)
424 {
425         free_irq(MAINSTONE_MMC_IRQ, data);
426 }
427
428 static struct pxamci_platform_data mainstone_mci_platform_data = {
429         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
430         .init                   = mainstone_mci_init,
431         .setpower               = mainstone_mci_setpower,
432         .exit                   = mainstone_mci_exit,
433         .gpio_card_detect       = -1,
434         .gpio_card_ro           = -1,
435         .gpio_power             = -1,
436 };
437
438 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
439 {
440         unsigned long flags;
441
442         local_irq_save(flags);
443         if (mode & IR_SIRMODE) {
444                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
445         } else if (mode & IR_FIRMODE) {
446                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
447         }
448         pxa2xx_transceiver_mode(dev, mode);
449         if (mode & IR_OFF) {
450                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
451         } else {
452                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
453         }
454         local_irq_restore(flags);
455 }
456
457 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
458         .gpio_pwdown            = -1,
459         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
460         .transceiver_mode       = mainstone_irda_transceiver_mode,
461 };
462
463 static struct gpio_keys_button gpio_keys_button[] = {
464         [0] = {
465                 .desc   = "wakeup",
466                 .code   = KEY_SUSPEND,
467                 .type   = EV_KEY,
468                 .gpio   = 1,
469                 .wakeup = 1,
470         },
471 };
472
473 static struct gpio_keys_platform_data mainstone_gpio_keys = {
474         .buttons        = gpio_keys_button,
475         .nbuttons       = 1,
476 };
477
478 static struct platform_device mst_gpio_keys_device = {
479         .name           = "gpio-keys",
480         .id             = -1,
481         .dev            = {
482                 .platform_data  = &mainstone_gpio_keys,
483         },
484 };
485
486 static struct platform_device *platform_devices[] __initdata = {
487         &smc91x_device,
488         &mst_flash_device[0],
489         &mst_flash_device[1],
490         &mst_gpio_keys_device,
491 };
492
493 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
494         .port_mode      = PMM_PERPORT_MODE,
495         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
496 };
497
498 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
499 static unsigned int mainstone_matrix_keys[] = {
500         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
501         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
502         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
503         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
504         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
505         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
506         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
507         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
508         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
509
510         KEY(0, 4, KEY_DOT),     /* . */
511         KEY(1, 4, KEY_CLOSE),   /* @ */
512         KEY(4, 4, KEY_SLASH),
513         KEY(5, 4, KEY_BACKSLASH),
514         KEY(0, 5, KEY_HOME),
515         KEY(1, 5, KEY_LEFTSHIFT),
516         KEY(2, 5, KEY_SPACE),
517         KEY(3, 5, KEY_SPACE),
518         KEY(4, 5, KEY_ENTER),
519         KEY(5, 5, KEY_BACKSPACE),
520
521         KEY(0, 6, KEY_UP),
522         KEY(1, 6, KEY_DOWN),
523         KEY(2, 6, KEY_LEFT),
524         KEY(3, 6, KEY_RIGHT),
525         KEY(4, 6, KEY_SELECT),
526 };
527
528 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
529         .matrix_key_rows        = 6,
530         .matrix_key_cols        = 7,
531         .matrix_key_map         = mainstone_matrix_keys,
532         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
533
534         .enable_rotary0         = 1,
535         .rotary0_up_key         = KEY_UP,
536         .rotary0_down_key       = KEY_DOWN,
537
538         .debounce_interval      = 30,
539 };
540
541 static void __init mainstone_init_keypad(void)
542 {
543         pxa_set_keypad_info(&mainstone_keypad_info);
544 }
545 #else
546 static inline void mainstone_init_keypad(void) {}
547 #endif
548
549 static void __init mainstone_init(void)
550 {
551         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
552
553         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
554
555         pxa_set_ffuart_info(NULL);
556         pxa_set_btuart_info(NULL);
557         pxa_set_stuart_info(NULL);
558
559         mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
560         mst_flash_data[1].width = 4;
561
562         /* Compensate for SW7 which swaps the flash banks */
563         mst_flash_data[SW7].name = "processor-flash";
564         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
565
566         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
567                mst_flash_data[0].name);
568
569         /* system bus arbiter setting
570          * - Core_Park
571          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
572          */
573         ARB_CNTRL = ARB_CORE_PARK | 0x234;
574
575         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
576
577         /* reading Mainstone's "Virtual Configuration Register"
578            might be handy to select LCD type here */
579         if (0)
580                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
581         else
582                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
583
584         pxa_set_fb_info(NULL, &mainstone_pxafb_info);
585         mainstone_backlight_register();
586
587         pxa_set_mci_info(&mainstone_mci_platform_data);
588         pxa_set_ficp_info(&mainstone_ficp_platform_data);
589         pxa_set_ohci_info(&mainstone_ohci_platform_data);
590         pxa_set_i2c_info(NULL);
591         pxa_set_ac97_info(&mst_audio_ops);
592
593         mainstone_init_keypad();
594 }
595
596
597 static struct map_desc mainstone_io_desc[] __initdata = {
598         {       /* CPLD */
599                 .virtual        =  MST_FPGA_VIRT,
600                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
601                 .length         = 0x00100000,
602                 .type           = MT_DEVICE
603         }
604 };
605
606 static void __init mainstone_map_io(void)
607 {
608         pxa27x_map_io();
609         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
610
611         /*      for use I SRAM as framebuffer.  */
612         PSLR |= 0xF04;
613         PCFR = 0x66;
614 }
615
616 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
617         /* Maintainer: MontaVista Software Inc. */
618         .atag_offset    = 0x100,        /* BLOB boot parameter setting */
619         .map_io         = mainstone_map_io,
620         .nr_irqs        = MAINSTONE_NR_IRQS,
621         .init_irq       = mainstone_init_irq,
622         .handle_irq     = pxa27x_handle_irq,
623         .timer          = &pxa_timer,
624         .init_machine   = mainstone_init,
625 MACHINE_END