Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6] / 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/pxa-regs.h>
45 #include <mach/pxa2xx-regs.h>
46 #include <mach/mfp-pxa27x.h>
47 #include <mach/mainstone.h>
48 #include <mach/audio.h>
49 #include <mach/pxafb.h>
50 #include <mach/i2c.h>
51 #include <mach/mmc.h>
52 #include <mach/irda.h>
53 #include <mach/ohci.h>
54 #include <mach/pxa27x_keypad.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         GPIO58_LCD_LDD_0,
65         GPIO59_LCD_LDD_1,
66         GPIO60_LCD_LDD_2,
67         GPIO61_LCD_LDD_3,
68         GPIO62_LCD_LDD_4,
69         GPIO63_LCD_LDD_5,
70         GPIO64_LCD_LDD_6,
71         GPIO65_LCD_LDD_7,
72         GPIO66_LCD_LDD_8,
73         GPIO67_LCD_LDD_9,
74         GPIO68_LCD_LDD_10,
75         GPIO69_LCD_LDD_11,
76         GPIO70_LCD_LDD_12,
77         GPIO71_LCD_LDD_13,
78         GPIO72_LCD_LDD_14,
79         GPIO73_LCD_LDD_15,
80         GPIO74_LCD_FCLK,
81         GPIO75_LCD_LCLK,
82         GPIO76_LCD_PCLK,
83         GPIO77_LCD_BIAS,
84         GPIO16_PWM0_OUT,        /* Backlight */
85
86         /* MMC */
87         GPIO32_MMC_CLK,
88         GPIO112_MMC_CMD,
89         GPIO92_MMC_DAT_0,
90         GPIO109_MMC_DAT_1,
91         GPIO110_MMC_DAT_2,
92         GPIO111_MMC_DAT_3,
93
94         /* USB Host Port 1 */
95         GPIO88_USBH1_PWR,
96         GPIO89_USBH1_PEN,
97
98         /* PC Card */
99         GPIO48_nPOE,
100         GPIO49_nPWE,
101         GPIO50_nPIOR,
102         GPIO51_nPIOW,
103         GPIO85_nPCE_1,
104         GPIO54_nPCE_2,
105         GPIO79_PSKTSEL,
106         GPIO55_nPREG,
107         GPIO56_nPWAIT,
108         GPIO57_nIOIS16,
109
110         /* AC97 */
111         GPIO45_AC97_SYSCLK,
112
113         /* Keypad */
114         GPIO93_KP_DKIN_0,
115         GPIO94_KP_DKIN_1,
116         GPIO95_KP_DKIN_2,
117         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
118         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
119         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
120         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
121         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
122         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
123         GPIO103_KP_MKOUT_0,
124         GPIO104_KP_MKOUT_1,
125         GPIO105_KP_MKOUT_2,
126         GPIO106_KP_MKOUT_3,
127         GPIO107_KP_MKOUT_4,
128         GPIO108_KP_MKOUT_5,
129         GPIO96_KP_MKOUT_6,
130
131         /* GPIO */
132         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
133 };
134
135 static unsigned long mainstone_irq_enabled;
136
137 static void mainstone_mask_irq(unsigned int irq)
138 {
139         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
140         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
141 }
142
143 static void mainstone_unmask_irq(unsigned int irq)
144 {
145         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
146         /* the irq can be acknowledged only if deasserted, so it's done here */
147         MST_INTSETCLR &= ~(1 << mainstone_irq);
148         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
149 }
150
151 static struct irq_chip mainstone_irq_chip = {
152         .name           = "FPGA",
153         .ack            = mainstone_mask_irq,
154         .mask           = mainstone_mask_irq,
155         .unmask         = mainstone_unmask_irq,
156 };
157
158 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
159 {
160         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
161         do {
162                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
163                 if (likely(pending)) {
164                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
165                         desc = irq_desc + irq;
166                         desc_handle_irq(irq, desc);
167                 }
168                 pending = MST_INTSETCLR & mainstone_irq_enabled;
169         } while (pending);
170 }
171
172 static void __init mainstone_init_irq(void)
173 {
174         int irq;
175
176         pxa27x_init_irq();
177
178         /* setup extra Mainstone irqs */
179         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
180                 set_irq_chip(irq, &mainstone_irq_chip);
181                 set_irq_handler(irq, handle_level_irq);
182                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
183                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
184                 else
185                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
186         }
187         set_irq_flags(MAINSTONE_IRQ(8), 0);
188         set_irq_flags(MAINSTONE_IRQ(12), 0);
189
190         MST_INTMSKENA = 0;
191         MST_INTSETCLR = 0;
192
193         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
194         set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
195 }
196
197 #ifdef CONFIG_PM
198
199 static int mainstone_irq_resume(struct sys_device *dev)
200 {
201         MST_INTMSKENA = mainstone_irq_enabled;
202         return 0;
203 }
204
205 static struct sysdev_class mainstone_irq_sysclass = {
206         .name = "cpld_irq",
207         .resume = mainstone_irq_resume,
208 };
209
210 static struct sys_device mainstone_irq_device = {
211         .cls = &mainstone_irq_sysclass,
212 };
213
214 static int __init mainstone_irq_device_init(void)
215 {
216         int ret = -ENODEV;
217
218         if (machine_is_mainstone()) {
219                 ret = sysdev_class_register(&mainstone_irq_sysclass);
220                 if (ret == 0)
221                         ret = sysdev_register(&mainstone_irq_device);
222         }
223         return ret;
224 }
225
226 device_initcall(mainstone_irq_device_init);
227
228 #endif
229
230
231 static struct resource smc91x_resources[] = {
232         [0] = {
233                 .start  = (MST_ETH_PHYS + 0x300),
234                 .end    = (MST_ETH_PHYS + 0xfffff),
235                 .flags  = IORESOURCE_MEM,
236         },
237         [1] = {
238                 .start  = MAINSTONE_IRQ(3),
239                 .end    = MAINSTONE_IRQ(3),
240                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
241         }
242 };
243
244 static struct smc91x_platdata mainstone_smc91x_info = {
245         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
246                   SMC91X_NOWAIT | SMC91X_USE_DMA,
247 };
248
249 static struct platform_device smc91x_device = {
250         .name           = "smc91x",
251         .id             = 0,
252         .num_resources  = ARRAY_SIZE(smc91x_resources),
253         .resource       = smc91x_resources,
254         .dev            = {
255                 .platform_data = &mainstone_smc91x_info,
256         },
257 };
258
259 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
260 {
261         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
262                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
263         return 0;
264 }
265
266 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
267 {
268         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
269                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
270 }
271
272 static long mst_audio_suspend_mask;
273
274 static void mst_audio_suspend(void *priv)
275 {
276         mst_audio_suspend_mask = MST_MSCWR2;
277         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
278 }
279
280 static void mst_audio_resume(void *priv)
281 {
282         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
283 }
284
285 static pxa2xx_audio_ops_t mst_audio_ops = {
286         .startup        = mst_audio_startup,
287         .shutdown       = mst_audio_shutdown,
288         .suspend        = mst_audio_suspend,
289         .resume         = mst_audio_resume,
290 };
291
292 static struct resource flash_resources[] = {
293         [0] = {
294                 .start  = PXA_CS0_PHYS,
295                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
296                 .flags  = IORESOURCE_MEM,
297         },
298         [1] = {
299                 .start  = PXA_CS1_PHYS,
300                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
301                 .flags  = IORESOURCE_MEM,
302         },
303 };
304
305 static struct mtd_partition mainstoneflash0_partitions[] = {
306         {
307                 .name =         "Bootloader",
308                 .size =         0x00040000,
309                 .offset =       0,
310                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
311         },{
312                 .name =         "Kernel",
313                 .size =         0x00400000,
314                 .offset =       0x00040000,
315         },{
316                 .name =         "Filesystem",
317                 .size =         MTDPART_SIZ_FULL,
318                 .offset =       0x00440000
319         }
320 };
321
322 static struct flash_platform_data mst_flash_data[2] = {
323         {
324                 .map_name       = "cfi_probe",
325                 .parts          = mainstoneflash0_partitions,
326                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
327         }, {
328                 .map_name       = "cfi_probe",
329                 .parts          = NULL,
330                 .nr_parts       = 0,
331         }
332 };
333
334 static struct platform_device mst_flash_device[2] = {
335         {
336                 .name           = "pxa2xx-flash",
337                 .id             = 0,
338                 .dev = {
339                         .platform_data = &mst_flash_data[0],
340                 },
341                 .resource = &flash_resources[0],
342                 .num_resources = 1,
343         },
344         {
345                 .name           = "pxa2xx-flash",
346                 .id             = 1,
347                 .dev = {
348                         .platform_data = &mst_flash_data[1],
349                 },
350                 .resource = &flash_resources[1],
351                 .num_resources = 1,
352         },
353 };
354
355 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
356 static struct platform_pwm_backlight_data mainstone_backlight_data = {
357         .pwm_id         = 0,
358         .max_brightness = 1023,
359         .dft_brightness = 1023,
360         .pwm_period_ns  = 78770,
361 };
362
363 static struct platform_device mainstone_backlight_device = {
364         .name           = "pwm-backlight",
365         .dev            = {
366                 .parent = &pxa27x_device_pwm0.dev,
367                 .platform_data = &mainstone_backlight_data,
368         },
369 };
370
371 static void __init mainstone_backlight_register(void)
372 {
373         int ret = platform_device_register(&mainstone_backlight_device);
374         if (ret)
375                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
376 }
377 #else
378 #define mainstone_backlight_register()  do { } while (0)
379 #endif
380
381 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
382         .pixclock               = 50000,
383         .xres                   = 640,
384         .yres                   = 480,
385         .bpp                    = 16,
386         .hsync_len              = 1,
387         .left_margin            = 0x9f,
388         .right_margin           = 1,
389         .vsync_len              = 44,
390         .upper_margin           = 0,
391         .lower_margin           = 0,
392         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
393 };
394
395 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
396         .pixclock               = 110000,
397         .xres                   = 240,
398         .yres                   = 320,
399         .bpp                    = 16,
400         .hsync_len              = 4,
401         .left_margin            = 8,
402         .right_margin           = 20,
403         .vsync_len              = 3,
404         .upper_margin           = 1,
405         .lower_margin           = 10,
406         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
407 };
408
409 static struct pxafb_mach_info mainstone_pxafb_info = {
410         .num_modes              = 1,
411         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
412 };
413
414 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
415 {
416         int err;
417
418         /* make sure SD/Memory Stick multiplexer's signals
419          * are routed to MMC controller
420          */
421         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
422
423         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
424                              "MMC card detect", data);
425         if (err)
426                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
427
428         return err;
429 }
430
431 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
432 {
433         struct pxamci_platform_data* p_d = dev->platform_data;
434
435         if (( 1 << vdd) & p_d->ocr_mask) {
436                 printk(KERN_DEBUG "%s: on\n", __func__);
437                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
438                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
439         } else {
440                 printk(KERN_DEBUG "%s: off\n", __func__);
441                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
442         }
443 }
444
445 static void mainstone_mci_exit(struct device *dev, void *data)
446 {
447         free_irq(MAINSTONE_MMC_IRQ, data);
448 }
449
450 static struct pxamci_platform_data mainstone_mci_platform_data = {
451         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
452         .init           = mainstone_mci_init,
453         .setpower       = mainstone_mci_setpower,
454         .exit           = mainstone_mci_exit,
455 };
456
457 static void mainstone_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                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
464         } else if (mode & IR_FIRMODE) {
465                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
466         }
467         pxa2xx_transceiver_mode(dev, mode);
468         if (mode & IR_OFF) {
469                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
470         } else {
471                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
472         }
473         local_irq_restore(flags);
474 }
475
476 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
477         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
478         .transceiver_mode = mainstone_irda_transceiver_mode,
479 };
480
481 static struct gpio_keys_button gpio_keys_button[] = {
482         [0] = {
483                 .desc   = "wakeup",
484                 .code   = KEY_SUSPEND,
485                 .type   = EV_KEY,
486                 .gpio   = 1,
487                 .wakeup = 1,
488         },
489 };
490
491 static struct gpio_keys_platform_data mainstone_gpio_keys = {
492         .buttons        = gpio_keys_button,
493         .nbuttons       = 1,
494 };
495
496 static struct platform_device mst_gpio_keys_device = {
497         .name           = "gpio-keys",
498         .id             = -1,
499         .dev            = {
500                 .platform_data  = &mainstone_gpio_keys,
501         },
502 };
503
504 static struct platform_device *platform_devices[] __initdata = {
505         &smc91x_device,
506         &mst_flash_device[0],
507         &mst_flash_device[1],
508         &mst_gpio_keys_device,
509 };
510
511 static int mainstone_ohci_init(struct device *dev)
512 {
513         /* Set the Power Control Polarity Low and Power Sense
514            Polarity Low to active low. */
515         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
516                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
517
518         return 0;
519 }
520
521 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
522         .port_mode      = PMM_PERPORT_MODE,
523         .init           = mainstone_ohci_init,
524 };
525
526 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
527 static unsigned int mainstone_matrix_keys[] = {
528         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
529         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
530         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
531         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
532         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
533         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
534         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
535         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
536         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
537
538         KEY(0, 4, KEY_DOT),     /* . */
539         KEY(1, 4, KEY_CLOSE),   /* @ */
540         KEY(4, 4, KEY_SLASH),
541         KEY(5, 4, KEY_BACKSLASH),
542         KEY(0, 5, KEY_HOME),
543         KEY(1, 5, KEY_LEFTSHIFT),
544         KEY(2, 5, KEY_SPACE),
545         KEY(3, 5, KEY_SPACE),
546         KEY(4, 5, KEY_ENTER),
547         KEY(5, 5, KEY_BACKSPACE),
548
549         KEY(0, 6, KEY_UP),
550         KEY(1, 6, KEY_DOWN),
551         KEY(2, 6, KEY_LEFT),
552         KEY(3, 6, KEY_RIGHT),
553         KEY(4, 6, KEY_SELECT),
554 };
555
556 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
557         .matrix_key_rows        = 6,
558         .matrix_key_cols        = 7,
559         .matrix_key_map         = mainstone_matrix_keys,
560         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
561
562         .enable_rotary0         = 1,
563         .rotary0_up_key         = KEY_UP,
564         .rotary0_down_key       = KEY_DOWN,
565
566         .debounce_interval      = 30,
567 };
568
569 static void __init mainstone_init_keypad(void)
570 {
571         pxa_set_keypad_info(&mainstone_keypad_info);
572 }
573 #else
574 static inline void mainstone_init_keypad(void) {}
575 #endif
576
577 static void __init mainstone_init(void)
578 {
579         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
580
581         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
582
583         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
584         mst_flash_data[1].width = 4;
585
586         /* Compensate for SW7 which swaps the flash banks */
587         mst_flash_data[SW7].name = "processor-flash";
588         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
589
590         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
591                mst_flash_data[0].name);
592
593         /* system bus arbiter setting
594          * - Core_Park
595          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
596          */
597         ARB_CNTRL = ARB_CORE_PARK | 0x234;
598
599         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
600
601         /* reading Mainstone's "Virtual Configuration Register"
602            might be handy to select LCD type here */
603         if (0)
604                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
605         else
606                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
607
608         set_pxa_fb_info(&mainstone_pxafb_info);
609         mainstone_backlight_register();
610
611         pxa_set_mci_info(&mainstone_mci_platform_data);
612         pxa_set_ficp_info(&mainstone_ficp_platform_data);
613         pxa_set_ohci_info(&mainstone_ohci_platform_data);
614         pxa_set_i2c_info(NULL);
615         pxa_set_ac97_info(&mst_audio_ops);
616
617         mainstone_init_keypad();
618 }
619
620
621 static struct map_desc mainstone_io_desc[] __initdata = {
622         {       /* CPLD */
623                 .virtual        =  MST_FPGA_VIRT,
624                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
625                 .length         = 0x00100000,
626                 .type           = MT_DEVICE
627         }
628 };
629
630 static void __init mainstone_map_io(void)
631 {
632         pxa_map_io();
633         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
634
635         /*      for use I SRAM as framebuffer.  */
636         PSLR |= 0xF04;
637         PCFR = 0x66;
638 }
639
640 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
641         /* Maintainer: MontaVista Software Inc. */
642         .phys_io        = 0x40000000,
643         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
644         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
645         .map_io         = mainstone_map_io,
646         .init_irq       = mainstone_init_irq,
647         .timer          = &pxa_timer,
648         .init_machine   = mainstone_init,
649 MACHINE_END