[ARM] pxa: simplify the LCD pin configuration for pxa27x platforms
[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
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/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
31 #include <asm/types.h>
32 #include <asm/setup.h>
33 #include <asm/memory.h>
34 #include <asm/mach-types.h>
35 #include <mach/hardware.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/gpio.h>
46 #include <mach/mainstone.h>
47 #include <mach/audio.h>
48 #include <mach/pxafb.h>
49 #include <plat/i2c.h>
50 #include <mach/mmc.h>
51 #include <mach/irda.h>
52 #include <mach/ohci.h>
53 #include <mach/pxa27x_keypad.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         GPIO45_AC97_SYSCLK,
92
93         /* Keypad */
94         GPIO93_KP_DKIN_0,
95         GPIO94_KP_DKIN_1,
96         GPIO95_KP_DKIN_2,
97         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
98         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
99         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
100         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
101         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
102         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
103         GPIO103_KP_MKOUT_0,
104         GPIO104_KP_MKOUT_1,
105         GPIO105_KP_MKOUT_2,
106         GPIO106_KP_MKOUT_3,
107         GPIO107_KP_MKOUT_4,
108         GPIO108_KP_MKOUT_5,
109         GPIO96_KP_MKOUT_6,
110
111         /* I2C */
112         GPIO117_I2C_SCL,
113         GPIO118_I2C_SDA,
114
115         /* GPIO */
116         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
117 };
118
119 static unsigned long mainstone_irq_enabled;
120
121 static void mainstone_mask_irq(unsigned int irq)
122 {
123         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
124         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
125 }
126
127 static void mainstone_unmask_irq(unsigned int irq)
128 {
129         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
130         /* the irq can be acknowledged only if deasserted, so it's done here */
131         MST_INTSETCLR &= ~(1 << mainstone_irq);
132         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
133 }
134
135 static struct irq_chip mainstone_irq_chip = {
136         .name           = "FPGA",
137         .ack            = mainstone_mask_irq,
138         .mask           = mainstone_mask_irq,
139         .unmask         = mainstone_unmask_irq,
140 };
141
142 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
143 {
144         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
145         do {
146                 desc->chip->ack(irq);   /* clear useless edge notification */
147                 if (likely(pending)) {
148                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
149                         generic_handle_irq(irq);
150                 }
151                 pending = MST_INTSETCLR & mainstone_irq_enabled;
152         } while (pending);
153 }
154
155 static void __init mainstone_init_irq(void)
156 {
157         int irq;
158
159         pxa27x_init_irq();
160
161         /* setup extra Mainstone irqs */
162         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
163                 set_irq_chip(irq, &mainstone_irq_chip);
164                 set_irq_handler(irq, handle_level_irq);
165                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
166                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
167                 else
168                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
169         }
170         set_irq_flags(MAINSTONE_IRQ(8), 0);
171         set_irq_flags(MAINSTONE_IRQ(12), 0);
172
173         MST_INTMSKENA = 0;
174         MST_INTSETCLR = 0;
175
176         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
177         set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
178 }
179
180 #ifdef CONFIG_PM
181
182 static int mainstone_irq_resume(struct sys_device *dev)
183 {
184         MST_INTMSKENA = mainstone_irq_enabled;
185         return 0;
186 }
187
188 static struct sysdev_class mainstone_irq_sysclass = {
189         .name = "cpld_irq",
190         .resume = mainstone_irq_resume,
191 };
192
193 static struct sys_device mainstone_irq_device = {
194         .cls = &mainstone_irq_sysclass,
195 };
196
197 static int __init mainstone_irq_device_init(void)
198 {
199         int ret = -ENODEV;
200
201         if (machine_is_mainstone()) {
202                 ret = sysdev_class_register(&mainstone_irq_sysclass);
203                 if (ret == 0)
204                         ret = sysdev_register(&mainstone_irq_device);
205         }
206         return ret;
207 }
208
209 device_initcall(mainstone_irq_device_init);
210
211 #endif
212
213
214 static struct resource smc91x_resources[] = {
215         [0] = {
216                 .start  = (MST_ETH_PHYS + 0x300),
217                 .end    = (MST_ETH_PHYS + 0xfffff),
218                 .flags  = IORESOURCE_MEM,
219         },
220         [1] = {
221                 .start  = MAINSTONE_IRQ(3),
222                 .end    = MAINSTONE_IRQ(3),
223                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
224         }
225 };
226
227 static struct smc91x_platdata mainstone_smc91x_info = {
228         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
229                   SMC91X_NOWAIT | SMC91X_USE_DMA,
230 };
231
232 static struct platform_device smc91x_device = {
233         .name           = "smc91x",
234         .id             = 0,
235         .num_resources  = ARRAY_SIZE(smc91x_resources),
236         .resource       = smc91x_resources,
237         .dev            = {
238                 .platform_data = &mainstone_smc91x_info,
239         },
240 };
241
242 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
243 {
244         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
245                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
246         return 0;
247 }
248
249 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
250 {
251         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
252                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
253 }
254
255 static long mst_audio_suspend_mask;
256
257 static void mst_audio_suspend(void *priv)
258 {
259         mst_audio_suspend_mask = MST_MSCWR2;
260         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
261 }
262
263 static void mst_audio_resume(void *priv)
264 {
265         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
266 }
267
268 static pxa2xx_audio_ops_t mst_audio_ops = {
269         .startup        = mst_audio_startup,
270         .shutdown       = mst_audio_shutdown,
271         .suspend        = mst_audio_suspend,
272         .resume         = mst_audio_resume,
273 };
274
275 static struct resource flash_resources[] = {
276         [0] = {
277                 .start  = PXA_CS0_PHYS,
278                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
279                 .flags  = IORESOURCE_MEM,
280         },
281         [1] = {
282                 .start  = PXA_CS1_PHYS,
283                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
284                 .flags  = IORESOURCE_MEM,
285         },
286 };
287
288 static struct mtd_partition mainstoneflash0_partitions[] = {
289         {
290                 .name =         "Bootloader",
291                 .size =         0x00040000,
292                 .offset =       0,
293                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
294         },{
295                 .name =         "Kernel",
296                 .size =         0x00400000,
297                 .offset =       0x00040000,
298         },{
299                 .name =         "Filesystem",
300                 .size =         MTDPART_SIZ_FULL,
301                 .offset =       0x00440000
302         }
303 };
304
305 static struct flash_platform_data mst_flash_data[2] = {
306         {
307                 .map_name       = "cfi_probe",
308                 .parts          = mainstoneflash0_partitions,
309                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
310         }, {
311                 .map_name       = "cfi_probe",
312                 .parts          = NULL,
313                 .nr_parts       = 0,
314         }
315 };
316
317 static struct platform_device mst_flash_device[2] = {
318         {
319                 .name           = "pxa2xx-flash",
320                 .id             = 0,
321                 .dev = {
322                         .platform_data = &mst_flash_data[0],
323                 },
324                 .resource = &flash_resources[0],
325                 .num_resources = 1,
326         },
327         {
328                 .name           = "pxa2xx-flash",
329                 .id             = 1,
330                 .dev = {
331                         .platform_data = &mst_flash_data[1],
332                 },
333                 .resource = &flash_resources[1],
334                 .num_resources = 1,
335         },
336 };
337
338 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
339 static struct platform_pwm_backlight_data mainstone_backlight_data = {
340         .pwm_id         = 0,
341         .max_brightness = 1023,
342         .dft_brightness = 1023,
343         .pwm_period_ns  = 78770,
344 };
345
346 static struct platform_device mainstone_backlight_device = {
347         .name           = "pwm-backlight",
348         .dev            = {
349                 .parent = &pxa27x_device_pwm0.dev,
350                 .platform_data = &mainstone_backlight_data,
351         },
352 };
353
354 static void __init mainstone_backlight_register(void)
355 {
356         int ret = platform_device_register(&mainstone_backlight_device);
357         if (ret)
358                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
359 }
360 #else
361 #define mainstone_backlight_register()  do { } while (0)
362 #endif
363
364 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
365         .pixclock               = 50000,
366         .xres                   = 640,
367         .yres                   = 480,
368         .bpp                    = 16,
369         .hsync_len              = 1,
370         .left_margin            = 0x9f,
371         .right_margin           = 1,
372         .vsync_len              = 44,
373         .upper_margin           = 0,
374         .lower_margin           = 0,
375         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
376 };
377
378 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
379         .pixclock               = 110000,
380         .xres                   = 240,
381         .yres                   = 320,
382         .bpp                    = 16,
383         .hsync_len              = 4,
384         .left_margin            = 8,
385         .right_margin           = 20,
386         .vsync_len              = 3,
387         .upper_margin           = 1,
388         .lower_margin           = 10,
389         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
390 };
391
392 static struct pxafb_mach_info mainstone_pxafb_info = {
393         .num_modes              = 1,
394         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
395 };
396
397 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
398 {
399         int err;
400
401         /* make sure SD/Memory Stick multiplexer's signals
402          * are routed to MMC controller
403          */
404         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
405
406         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
407                              "MMC card detect", data);
408         if (err)
409                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
410
411         return err;
412 }
413
414 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
415 {
416         struct pxamci_platform_data* p_d = dev->platform_data;
417
418         if (( 1 << vdd) & p_d->ocr_mask) {
419                 printk(KERN_DEBUG "%s: on\n", __func__);
420                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
421                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
422         } else {
423                 printk(KERN_DEBUG "%s: off\n", __func__);
424                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
425         }
426 }
427
428 static void mainstone_mci_exit(struct device *dev, void *data)
429 {
430         free_irq(MAINSTONE_MMC_IRQ, data);
431 }
432
433 static struct pxamci_platform_data mainstone_mci_platform_data = {
434         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
435         .init                   = mainstone_mci_init,
436         .setpower               = mainstone_mci_setpower,
437         .exit                   = mainstone_mci_exit,
438         .gpio_card_detect       = -1,
439         .gpio_card_ro           = -1,
440         .gpio_power             = -1,
441 };
442
443 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
444 {
445         unsigned long flags;
446
447         local_irq_save(flags);
448         if (mode & IR_SIRMODE) {
449                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
450         } else if (mode & IR_FIRMODE) {
451                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
452         }
453         pxa2xx_transceiver_mode(dev, mode);
454         if (mode & IR_OFF) {
455                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
456         } else {
457                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
458         }
459         local_irq_restore(flags);
460 }
461
462 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
463         .gpio_pwdown            = -1,
464         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
465         .transceiver_mode       = mainstone_irda_transceiver_mode,
466 };
467
468 static struct gpio_keys_button gpio_keys_button[] = {
469         [0] = {
470                 .desc   = "wakeup",
471                 .code   = KEY_SUSPEND,
472                 .type   = EV_KEY,
473                 .gpio   = 1,
474                 .wakeup = 1,
475         },
476 };
477
478 static struct gpio_keys_platform_data mainstone_gpio_keys = {
479         .buttons        = gpio_keys_button,
480         .nbuttons       = 1,
481 };
482
483 static struct platform_device mst_gpio_keys_device = {
484         .name           = "gpio-keys",
485         .id             = -1,
486         .dev            = {
487                 .platform_data  = &mainstone_gpio_keys,
488         },
489 };
490
491 static struct platform_device *platform_devices[] __initdata = {
492         &smc91x_device,
493         &mst_flash_device[0],
494         &mst_flash_device[1],
495         &mst_gpio_keys_device,
496 };
497
498 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
499         .port_mode      = PMM_PERPORT_MODE,
500         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
501 };
502
503 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
504 static unsigned int mainstone_matrix_keys[] = {
505         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
506         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
507         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
508         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
509         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
510         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
511         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
512         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
513         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
514
515         KEY(0, 4, KEY_DOT),     /* . */
516         KEY(1, 4, KEY_CLOSE),   /* @ */
517         KEY(4, 4, KEY_SLASH),
518         KEY(5, 4, KEY_BACKSLASH),
519         KEY(0, 5, KEY_HOME),
520         KEY(1, 5, KEY_LEFTSHIFT),
521         KEY(2, 5, KEY_SPACE),
522         KEY(3, 5, KEY_SPACE),
523         KEY(4, 5, KEY_ENTER),
524         KEY(5, 5, KEY_BACKSPACE),
525
526         KEY(0, 6, KEY_UP),
527         KEY(1, 6, KEY_DOWN),
528         KEY(2, 6, KEY_LEFT),
529         KEY(3, 6, KEY_RIGHT),
530         KEY(4, 6, KEY_SELECT),
531 };
532
533 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
534         .matrix_key_rows        = 6,
535         .matrix_key_cols        = 7,
536         .matrix_key_map         = mainstone_matrix_keys,
537         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
538
539         .enable_rotary0         = 1,
540         .rotary0_up_key         = KEY_UP,
541         .rotary0_down_key       = KEY_DOWN,
542
543         .debounce_interval      = 30,
544 };
545
546 static void __init mainstone_init_keypad(void)
547 {
548         pxa_set_keypad_info(&mainstone_keypad_info);
549 }
550 #else
551 static inline void mainstone_init_keypad(void) {}
552 #endif
553
554 static void __init mainstone_init(void)
555 {
556         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
557
558         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
559
560         pxa_set_ffuart_info(NULL);
561         pxa_set_btuart_info(NULL);
562         pxa_set_stuart_info(NULL);
563
564         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
565         mst_flash_data[1].width = 4;
566
567         /* Compensate for SW7 which swaps the flash banks */
568         mst_flash_data[SW7].name = "processor-flash";
569         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
570
571         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
572                mst_flash_data[0].name);
573
574         /* system bus arbiter setting
575          * - Core_Park
576          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
577          */
578         ARB_CNTRL = ARB_CORE_PARK | 0x234;
579
580         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
581
582         /* reading Mainstone's "Virtual Configuration Register"
583            might be handy to select LCD type here */
584         if (0)
585                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
586         else
587                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
588
589         set_pxa_fb_info(&mainstone_pxafb_info);
590         mainstone_backlight_register();
591
592         pxa_set_mci_info(&mainstone_mci_platform_data);
593         pxa_set_ficp_info(&mainstone_ficp_platform_data);
594         pxa_set_ohci_info(&mainstone_ohci_platform_data);
595         pxa_set_i2c_info(NULL);
596         pxa_set_ac97_info(&mst_audio_ops);
597
598         mainstone_init_keypad();
599 }
600
601
602 static struct map_desc mainstone_io_desc[] __initdata = {
603         {       /* CPLD */
604                 .virtual        =  MST_FPGA_VIRT,
605                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
606                 .length         = 0x00100000,
607                 .type           = MT_DEVICE
608         }
609 };
610
611 static void __init mainstone_map_io(void)
612 {
613         pxa_map_io();
614         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
615
616         /*      for use I SRAM as framebuffer.  */
617         PSLR |= 0xF04;
618         PCFR = 0x66;
619 }
620
621 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
622         /* Maintainer: MontaVista Software Inc. */
623         .phys_io        = 0x40000000,
624         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
625         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
626         .map_io         = mainstone_map_io,
627         .init_irq       = mainstone_init_irq,
628         .timer          = &pxa_timer,
629         .init_machine   = mainstone_init,
630 MACHINE_END