[ARM] pxa: add gpio_pwdown(_inverted) into pxaficp_ir.c
[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/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         GPIO58_LCD_LDD_0,
64         GPIO59_LCD_LDD_1,
65         GPIO60_LCD_LDD_2,
66         GPIO61_LCD_LDD_3,
67         GPIO62_LCD_LDD_4,
68         GPIO63_LCD_LDD_5,
69         GPIO64_LCD_LDD_6,
70         GPIO65_LCD_LDD_7,
71         GPIO66_LCD_LDD_8,
72         GPIO67_LCD_LDD_9,
73         GPIO68_LCD_LDD_10,
74         GPIO69_LCD_LDD_11,
75         GPIO70_LCD_LDD_12,
76         GPIO71_LCD_LDD_13,
77         GPIO72_LCD_LDD_14,
78         GPIO73_LCD_LDD_15,
79         GPIO74_LCD_FCLK,
80         GPIO75_LCD_LCLK,
81         GPIO76_LCD_PCLK,
82         GPIO77_LCD_BIAS,
83         GPIO16_PWM0_OUT,        /* Backlight */
84
85         /* MMC */
86         GPIO32_MMC_CLK,
87         GPIO112_MMC_CMD,
88         GPIO92_MMC_DAT_0,
89         GPIO109_MMC_DAT_1,
90         GPIO110_MMC_DAT_2,
91         GPIO111_MMC_DAT_3,
92
93         /* USB Host Port 1 */
94         GPIO88_USBH1_PWR,
95         GPIO89_USBH1_PEN,
96
97         /* PC Card */
98         GPIO48_nPOE,
99         GPIO49_nPWE,
100         GPIO50_nPIOR,
101         GPIO51_nPIOW,
102         GPIO85_nPCE_1,
103         GPIO54_nPCE_2,
104         GPIO79_PSKTSEL,
105         GPIO55_nPREG,
106         GPIO56_nPWAIT,
107         GPIO57_nIOIS16,
108
109         /* AC97 */
110         GPIO45_AC97_SYSCLK,
111
112         /* Keypad */
113         GPIO93_KP_DKIN_0,
114         GPIO94_KP_DKIN_1,
115         GPIO95_KP_DKIN_2,
116         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
117         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
118         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
119         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
120         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
121         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
122         GPIO103_KP_MKOUT_0,
123         GPIO104_KP_MKOUT_1,
124         GPIO105_KP_MKOUT_2,
125         GPIO106_KP_MKOUT_3,
126         GPIO107_KP_MKOUT_4,
127         GPIO108_KP_MKOUT_5,
128         GPIO96_KP_MKOUT_6,
129
130         /* I2C */
131         GPIO117_I2C_SCL,
132         GPIO118_I2C_SDA,
133
134         /* GPIO */
135         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
136 };
137
138 static unsigned long mainstone_irq_enabled;
139
140 static void mainstone_mask_irq(unsigned int irq)
141 {
142         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
143         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
144 }
145
146 static void mainstone_unmask_irq(unsigned int irq)
147 {
148         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
149         /* the irq can be acknowledged only if deasserted, so it's done here */
150         MST_INTSETCLR &= ~(1 << mainstone_irq);
151         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
152 }
153
154 static struct irq_chip mainstone_irq_chip = {
155         .name           = "FPGA",
156         .ack            = mainstone_mask_irq,
157         .mask           = mainstone_mask_irq,
158         .unmask         = mainstone_unmask_irq,
159 };
160
161 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
162 {
163         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
164         do {
165                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
166                 if (likely(pending)) {
167                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
168                         generic_handle_irq(irq);
169                 }
170                 pending = MST_INTSETCLR & mainstone_irq_enabled;
171         } while (pending);
172 }
173
174 static void __init mainstone_init_irq(void)
175 {
176         int irq;
177
178         pxa27x_init_irq();
179
180         /* setup extra Mainstone irqs */
181         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
182                 set_irq_chip(irq, &mainstone_irq_chip);
183                 set_irq_handler(irq, handle_level_irq);
184                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
185                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
186                 else
187                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
188         }
189         set_irq_flags(MAINSTONE_IRQ(8), 0);
190         set_irq_flags(MAINSTONE_IRQ(12), 0);
191
192         MST_INTMSKENA = 0;
193         MST_INTSETCLR = 0;
194
195         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
196         set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
197 }
198
199 #ifdef CONFIG_PM
200
201 static int mainstone_irq_resume(struct sys_device *dev)
202 {
203         MST_INTMSKENA = mainstone_irq_enabled;
204         return 0;
205 }
206
207 static struct sysdev_class mainstone_irq_sysclass = {
208         .name = "cpld_irq",
209         .resume = mainstone_irq_resume,
210 };
211
212 static struct sys_device mainstone_irq_device = {
213         .cls = &mainstone_irq_sysclass,
214 };
215
216 static int __init mainstone_irq_device_init(void)
217 {
218         int ret = -ENODEV;
219
220         if (machine_is_mainstone()) {
221                 ret = sysdev_class_register(&mainstone_irq_sysclass);
222                 if (ret == 0)
223                         ret = sysdev_register(&mainstone_irq_device);
224         }
225         return ret;
226 }
227
228 device_initcall(mainstone_irq_device_init);
229
230 #endif
231
232
233 static struct resource smc91x_resources[] = {
234         [0] = {
235                 .start  = (MST_ETH_PHYS + 0x300),
236                 .end    = (MST_ETH_PHYS + 0xfffff),
237                 .flags  = IORESOURCE_MEM,
238         },
239         [1] = {
240                 .start  = MAINSTONE_IRQ(3),
241                 .end    = MAINSTONE_IRQ(3),
242                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
243         }
244 };
245
246 static struct smc91x_platdata mainstone_smc91x_info = {
247         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
248                   SMC91X_NOWAIT | SMC91X_USE_DMA,
249 };
250
251 static struct platform_device smc91x_device = {
252         .name           = "smc91x",
253         .id             = 0,
254         .num_resources  = ARRAY_SIZE(smc91x_resources),
255         .resource       = smc91x_resources,
256         .dev            = {
257                 .platform_data = &mainstone_smc91x_info,
258         },
259 };
260
261 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
262 {
263         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
264                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
265         return 0;
266 }
267
268 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
269 {
270         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
271                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
272 }
273
274 static long mst_audio_suspend_mask;
275
276 static void mst_audio_suspend(void *priv)
277 {
278         mst_audio_suspend_mask = MST_MSCWR2;
279         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
280 }
281
282 static void mst_audio_resume(void *priv)
283 {
284         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
285 }
286
287 static pxa2xx_audio_ops_t mst_audio_ops = {
288         .startup        = mst_audio_startup,
289         .shutdown       = mst_audio_shutdown,
290         .suspend        = mst_audio_suspend,
291         .resume         = mst_audio_resume,
292 };
293
294 static struct resource flash_resources[] = {
295         [0] = {
296                 .start  = PXA_CS0_PHYS,
297                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
298                 .flags  = IORESOURCE_MEM,
299         },
300         [1] = {
301                 .start  = PXA_CS1_PHYS,
302                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
303                 .flags  = IORESOURCE_MEM,
304         },
305 };
306
307 static struct mtd_partition mainstoneflash0_partitions[] = {
308         {
309                 .name =         "Bootloader",
310                 .size =         0x00040000,
311                 .offset =       0,
312                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
313         },{
314                 .name =         "Kernel",
315                 .size =         0x00400000,
316                 .offset =       0x00040000,
317         },{
318                 .name =         "Filesystem",
319                 .size =         MTDPART_SIZ_FULL,
320                 .offset =       0x00440000
321         }
322 };
323
324 static struct flash_platform_data mst_flash_data[2] = {
325         {
326                 .map_name       = "cfi_probe",
327                 .parts          = mainstoneflash0_partitions,
328                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
329         }, {
330                 .map_name       = "cfi_probe",
331                 .parts          = NULL,
332                 .nr_parts       = 0,
333         }
334 };
335
336 static struct platform_device mst_flash_device[2] = {
337         {
338                 .name           = "pxa2xx-flash",
339                 .id             = 0,
340                 .dev = {
341                         .platform_data = &mst_flash_data[0],
342                 },
343                 .resource = &flash_resources[0],
344                 .num_resources = 1,
345         },
346         {
347                 .name           = "pxa2xx-flash",
348                 .id             = 1,
349                 .dev = {
350                         .platform_data = &mst_flash_data[1],
351                 },
352                 .resource = &flash_resources[1],
353                 .num_resources = 1,
354         },
355 };
356
357 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
358 static struct platform_pwm_backlight_data mainstone_backlight_data = {
359         .pwm_id         = 0,
360         .max_brightness = 1023,
361         .dft_brightness = 1023,
362         .pwm_period_ns  = 78770,
363 };
364
365 static struct platform_device mainstone_backlight_device = {
366         .name           = "pwm-backlight",
367         .dev            = {
368                 .parent = &pxa27x_device_pwm0.dev,
369                 .platform_data = &mainstone_backlight_data,
370         },
371 };
372
373 static void __init mainstone_backlight_register(void)
374 {
375         int ret = platform_device_register(&mainstone_backlight_device);
376         if (ret)
377                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
378 }
379 #else
380 #define mainstone_backlight_register()  do { } while (0)
381 #endif
382
383 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
384         .pixclock               = 50000,
385         .xres                   = 640,
386         .yres                   = 480,
387         .bpp                    = 16,
388         .hsync_len              = 1,
389         .left_margin            = 0x9f,
390         .right_margin           = 1,
391         .vsync_len              = 44,
392         .upper_margin           = 0,
393         .lower_margin           = 0,
394         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
395 };
396
397 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
398         .pixclock               = 110000,
399         .xres                   = 240,
400         .yres                   = 320,
401         .bpp                    = 16,
402         .hsync_len              = 4,
403         .left_margin            = 8,
404         .right_margin           = 20,
405         .vsync_len              = 3,
406         .upper_margin           = 1,
407         .lower_margin           = 10,
408         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
409 };
410
411 static struct pxafb_mach_info mainstone_pxafb_info = {
412         .num_modes              = 1,
413         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
414 };
415
416 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
417 {
418         int err;
419
420         /* make sure SD/Memory Stick multiplexer's signals
421          * are routed to MMC controller
422          */
423         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
424
425         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
426                              "MMC card detect", data);
427         if (err)
428                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
429
430         return err;
431 }
432
433 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
434 {
435         struct pxamci_platform_data* p_d = dev->platform_data;
436
437         if (( 1 << vdd) & p_d->ocr_mask) {
438                 printk(KERN_DEBUG "%s: on\n", __func__);
439                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
440                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
441         } else {
442                 printk(KERN_DEBUG "%s: off\n", __func__);
443                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
444         }
445 }
446
447 static void mainstone_mci_exit(struct device *dev, void *data)
448 {
449         free_irq(MAINSTONE_MMC_IRQ, data);
450 }
451
452 static struct pxamci_platform_data mainstone_mci_platform_data = {
453         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
454         .init                   = mainstone_mci_init,
455         .setpower               = mainstone_mci_setpower,
456         .exit                   = mainstone_mci_exit,
457         .gpio_card_detect       = -1,
458         .gpio_card_ro           = -1,
459         .gpio_power             = -1,
460 };
461
462 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
463 {
464         unsigned long flags;
465
466         local_irq_save(flags);
467         if (mode & IR_SIRMODE) {
468                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
469         } else if (mode & IR_FIRMODE) {
470                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
471         }
472         pxa2xx_transceiver_mode(dev, mode);
473         if (mode & IR_OFF) {
474                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
475         } else {
476                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
477         }
478         local_irq_restore(flags);
479 }
480
481 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
482         .gpio_pwdown            = -1,
483         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
484         .transceiver_mode       = mainstone_irda_transceiver_mode,
485 };
486
487 static struct gpio_keys_button gpio_keys_button[] = {
488         [0] = {
489                 .desc   = "wakeup",
490                 .code   = KEY_SUSPEND,
491                 .type   = EV_KEY,
492                 .gpio   = 1,
493                 .wakeup = 1,
494         },
495 };
496
497 static struct gpio_keys_platform_data mainstone_gpio_keys = {
498         .buttons        = gpio_keys_button,
499         .nbuttons       = 1,
500 };
501
502 static struct platform_device mst_gpio_keys_device = {
503         .name           = "gpio-keys",
504         .id             = -1,
505         .dev            = {
506                 .platform_data  = &mainstone_gpio_keys,
507         },
508 };
509
510 static struct platform_device *platform_devices[] __initdata = {
511         &smc91x_device,
512         &mst_flash_device[0],
513         &mst_flash_device[1],
514         &mst_gpio_keys_device,
515 };
516
517 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
518         .port_mode      = PMM_PERPORT_MODE,
519         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
520 };
521
522 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
523 static unsigned int mainstone_matrix_keys[] = {
524         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
525         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
526         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
527         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
528         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
529         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
530         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
531         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
532         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
533
534         KEY(0, 4, KEY_DOT),     /* . */
535         KEY(1, 4, KEY_CLOSE),   /* @ */
536         KEY(4, 4, KEY_SLASH),
537         KEY(5, 4, KEY_BACKSLASH),
538         KEY(0, 5, KEY_HOME),
539         KEY(1, 5, KEY_LEFTSHIFT),
540         KEY(2, 5, KEY_SPACE),
541         KEY(3, 5, KEY_SPACE),
542         KEY(4, 5, KEY_ENTER),
543         KEY(5, 5, KEY_BACKSPACE),
544
545         KEY(0, 6, KEY_UP),
546         KEY(1, 6, KEY_DOWN),
547         KEY(2, 6, KEY_LEFT),
548         KEY(3, 6, KEY_RIGHT),
549         KEY(4, 6, KEY_SELECT),
550 };
551
552 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
553         .matrix_key_rows        = 6,
554         .matrix_key_cols        = 7,
555         .matrix_key_map         = mainstone_matrix_keys,
556         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
557
558         .enable_rotary0         = 1,
559         .rotary0_up_key         = KEY_UP,
560         .rotary0_down_key       = KEY_DOWN,
561
562         .debounce_interval      = 30,
563 };
564
565 static void __init mainstone_init_keypad(void)
566 {
567         pxa_set_keypad_info(&mainstone_keypad_info);
568 }
569 #else
570 static inline void mainstone_init_keypad(void) {}
571 #endif
572
573 static void __init mainstone_init(void)
574 {
575         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
576
577         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
578
579         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
580         mst_flash_data[1].width = 4;
581
582         /* Compensate for SW7 which swaps the flash banks */
583         mst_flash_data[SW7].name = "processor-flash";
584         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
585
586         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
587                mst_flash_data[0].name);
588
589         /* system bus arbiter setting
590          * - Core_Park
591          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
592          */
593         ARB_CNTRL = ARB_CORE_PARK | 0x234;
594
595         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
596
597         /* reading Mainstone's "Virtual Configuration Register"
598            might be handy to select LCD type here */
599         if (0)
600                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
601         else
602                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
603
604         set_pxa_fb_info(&mainstone_pxafb_info);
605         mainstone_backlight_register();
606
607         pxa_set_mci_info(&mainstone_mci_platform_data);
608         pxa_set_ficp_info(&mainstone_ficp_platform_data);
609         pxa_set_ohci_info(&mainstone_ohci_platform_data);
610         pxa_set_i2c_info(NULL);
611         pxa_set_ac97_info(&mst_audio_ops);
612
613         mainstone_init_keypad();
614 }
615
616
617 static struct map_desc mainstone_io_desc[] __initdata = {
618         {       /* CPLD */
619                 .virtual        =  MST_FPGA_VIRT,
620                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
621                 .length         = 0x00100000,
622                 .type           = MT_DEVICE
623         }
624 };
625
626 static void __init mainstone_map_io(void)
627 {
628         pxa_map_io();
629         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
630
631         /*      for use I SRAM as framebuffer.  */
632         PSLR |= 0xF04;
633         PCFR = 0x66;
634 }
635
636 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
637         /* Maintainer: MontaVista Software Inc. */
638         .phys_io        = 0x40000000,
639         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
640         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
641         .map_io         = mainstone_map_io,
642         .init_irq       = mainstone_init_irq,
643         .timer          = &pxa_timer,
644         .init_machine   = mainstone_init,
645 MACHINE_END