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 
mainstone_mask_irq(struct irq_data * d)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 
mainstone_unmask_irq(struct irq_data * d)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 
mainstone_irq_handler(unsigned int irq,struct irq_desc * desc)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 
mainstone_init_irq(void)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(PXA_GPIO_TO_IRQ(0), mainstone_irq_handler);
182 	irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING);
183 }
184 
185 #ifdef CONFIG_PM
186 
mainstone_irq_resume(void)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 
mainstone_irq_device_init(void)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 
mst_audio_startup(struct snd_pcm_substream * substream,void * priv)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 
mst_audio_shutdown(struct snd_pcm_substream * substream,void * priv)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 
mst_audio_suspend(void * priv)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 
mst_audio_resume(void * priv)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 
mainstone_backlight_register(void)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 
mainstone_mci_init(struct device * dev,irq_handler_t mstone_detect_int,void * data)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 
mainstone_mci_setpower(struct device * dev,unsigned int vdd)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 
mainstone_mci_exit(struct device * dev,void * data)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 
mainstone_irda_transceiver_mode(struct device * dev,int mode)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 
mainstone_init_keypad(void)541 static void __init mainstone_init_keypad(void)
542 {
543 	pxa_set_keypad_info(&mainstone_keypad_info);
544 }
545 #else
mainstone_init_keypad(void)546 static inline void mainstone_init_keypad(void) {}
547 #endif
548 
mainstone_init(void)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 
mainstone_map_io(void)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 	.restart	= pxa_restart,
626 MACHINE_END
627