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/gpio/machine.h>
17#include <linux/init.h>
18#include <linux/platform_device.h>
19#include <linux/syscore_ops.h>
20#include <linux/interrupt.h>
21#include <linux/sched.h>
22#include <linux/bitops.h>
23#include <linux/fb.h>
24#include <linux/ioport.h>
25#include <linux/mtd/mtd.h>
26#include <linux/mtd/partitions.h>
27#include <linux/input.h>
28#include <linux/gpio_keys.h>
29#include <linux/pwm.h>
30#include <linux/pwm_backlight.h>
31#include <linux/smc91x.h>
32#include <linux/i2c/pxa-i2c.h>
33#include <linux/slab.h>
34#include <linux/leds.h>
35
36#include <asm/types.h>
37#include <asm/setup.h>
38#include <asm/memory.h>
39#include <asm/mach-types.h>
40#include <mach/hardware.h>
41#include <asm/irq.h>
42#include <asm/sizes.h>
43
44#include <asm/mach/arch.h>
45#include <asm/mach/map.h>
46#include <asm/mach/irq.h>
47#include <asm/mach/flash.h>
48
49#include <mach/pxa27x.h>
50#include <mach/mainstone.h>
51#include <mach/audio.h>
52#include <linux/platform_data/video-pxafb.h>
53#include <linux/platform_data/mmc-pxamci.h>
54#include <linux/platform_data/irda-pxaficp.h>
55#include <linux/platform_data/usb-ohci-pxa27x.h>
56#include <linux/platform_data/keypad-pxa27x.h>
57#include <mach/smemc.h>
58
59#include "generic.h"
60#include "devices.h"
61
62static unsigned long mainstone_pin_config[] = {
63	/* Chip Select */
64	GPIO15_nCS_1,
65
66	/* LCD - 16bpp Active TFT */
67	GPIOxx_LCD_TFT_16BPP,
68	GPIO16_PWM0_OUT,	/* Backlight */
69
70	/* MMC */
71	GPIO32_MMC_CLK,
72	GPIO112_MMC_CMD,
73	GPIO92_MMC_DAT_0,
74	GPIO109_MMC_DAT_1,
75	GPIO110_MMC_DAT_2,
76	GPIO111_MMC_DAT_3,
77
78	/* USB Host Port 1 */
79	GPIO88_USBH1_PWR,
80	GPIO89_USBH1_PEN,
81
82	/* PC Card */
83	GPIO48_nPOE,
84	GPIO49_nPWE,
85	GPIO50_nPIOR,
86	GPIO51_nPIOW,
87	GPIO85_nPCE_1,
88	GPIO54_nPCE_2,
89	GPIO79_PSKTSEL,
90	GPIO55_nPREG,
91	GPIO56_nPWAIT,
92	GPIO57_nIOIS16,
93
94	/* AC97 */
95	GPIO28_AC97_BITCLK,
96	GPIO29_AC97_SDATA_IN_0,
97	GPIO30_AC97_SDATA_OUT,
98	GPIO31_AC97_SYNC,
99	GPIO45_AC97_SYSCLK,
100
101	/* Keypad */
102	GPIO93_KP_DKIN_0,
103	GPIO94_KP_DKIN_1,
104	GPIO95_KP_DKIN_2,
105	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
106	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
107	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
108	GPIO97_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
109	GPIO98_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
110	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
111	GPIO103_KP_MKOUT_0,
112	GPIO104_KP_MKOUT_1,
113	GPIO105_KP_MKOUT_2,
114	GPIO106_KP_MKOUT_3,
115	GPIO107_KP_MKOUT_4,
116	GPIO108_KP_MKOUT_5,
117	GPIO96_KP_MKOUT_6,
118
119	/* I2C */
120	GPIO117_I2C_SCL,
121	GPIO118_I2C_SDA,
122
123	/* GPIO */
124	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
125};
126
127static struct resource smc91x_resources[] = {
128	[0] = {
129		.start	= (MST_ETH_PHYS + 0x300),
130		.end	= (MST_ETH_PHYS + 0xfffff),
131		.flags	= IORESOURCE_MEM,
132	},
133	[1] = {
134		.start	= MAINSTONE_IRQ(3),
135		.end	= MAINSTONE_IRQ(3),
136		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
137	}
138};
139
140static struct smc91x_platdata mainstone_smc91x_info = {
141	.flags	= SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
142		  SMC91X_NOWAIT | SMC91X_USE_DMA,
143};
144
145static struct platform_device smc91x_device = {
146	.name		= "smc91x",
147	.id		= 0,
148	.num_resources	= ARRAY_SIZE(smc91x_resources),
149	.resource	= smc91x_resources,
150	.dev		= {
151		.platform_data = &mainstone_smc91x_info,
152	},
153};
154
155static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
156{
157	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
158		MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
159	return 0;
160}
161
162static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
163{
164	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
165		MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
166}
167
168static long mst_audio_suspend_mask;
169
170static void mst_audio_suspend(void *priv)
171{
172	mst_audio_suspend_mask = MST_MSCWR2;
173	MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
174}
175
176static void mst_audio_resume(void *priv)
177{
178	MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
179}
180
181static pxa2xx_audio_ops_t mst_audio_ops = {
182	.startup	= mst_audio_startup,
183	.shutdown	= mst_audio_shutdown,
184	.suspend	= mst_audio_suspend,
185	.resume		= mst_audio_resume,
186};
187
188static struct resource flash_resources[] = {
189	[0] = {
190		.start	= PXA_CS0_PHYS,
191		.end	= PXA_CS0_PHYS + SZ_64M - 1,
192		.flags	= IORESOURCE_MEM,
193	},
194	[1] = {
195		.start	= PXA_CS1_PHYS,
196		.end	= PXA_CS1_PHYS + SZ_64M - 1,
197		.flags	= IORESOURCE_MEM,
198	},
199};
200
201static struct mtd_partition mainstoneflash0_partitions[] = {
202	{
203		.name =		"Bootloader",
204		.size =		0x00040000,
205		.offset =	0,
206		.mask_flags =	MTD_WRITEABLE  /* force read-only */
207	},{
208		.name =		"Kernel",
209		.size =		0x00400000,
210		.offset =	0x00040000,
211	},{
212		.name =		"Filesystem",
213		.size =		MTDPART_SIZ_FULL,
214		.offset =	0x00440000
215	}
216};
217
218static struct flash_platform_data mst_flash_data[2] = {
219	{
220		.map_name	= "cfi_probe",
221		.parts		= mainstoneflash0_partitions,
222		.nr_parts	= ARRAY_SIZE(mainstoneflash0_partitions),
223	}, {
224		.map_name	= "cfi_probe",
225		.parts		= NULL,
226		.nr_parts	= 0,
227	}
228};
229
230static struct platform_device mst_flash_device[2] = {
231	{
232		.name		= "pxa2xx-flash",
233		.id		= 0,
234		.dev = {
235			.platform_data = &mst_flash_data[0],
236		},
237		.resource = &flash_resources[0],
238		.num_resources = 1,
239	},
240	{
241		.name		= "pxa2xx-flash",
242		.id		= 1,
243		.dev = {
244			.platform_data = &mst_flash_data[1],
245		},
246		.resource = &flash_resources[1],
247		.num_resources = 1,
248	},
249};
250
251#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
252static struct pwm_lookup mainstone_pwm_lookup[] = {
253	PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
254		   PWM_POLARITY_NORMAL),
255};
256
257static struct platform_pwm_backlight_data mainstone_backlight_data = {
258	.max_brightness	= 1023,
259	.dft_brightness	= 1023,
260	.enable_gpio	= -1,
261};
262
263static struct platform_device mainstone_backlight_device = {
264	.name		= "pwm-backlight",
265	.dev		= {
266		.parent = &pxa27x_device_pwm0.dev,
267		.platform_data = &mainstone_backlight_data,
268	},
269};
270
271static void __init mainstone_backlight_register(void)
272{
273	int ret;
274
275	pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
276
277	ret = platform_device_register(&mainstone_backlight_device);
278	if (ret) {
279		printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
280		pwm_remove_table(mainstone_pwm_lookup,
281				 ARRAY_SIZE(mainstone_pwm_lookup));
282	}
283}
284#else
285#define mainstone_backlight_register()	do { } while (0)
286#endif
287
288static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
289	.pixclock		= 50000,
290	.xres			= 640,
291	.yres			= 480,
292	.bpp			= 16,
293	.hsync_len		= 1,
294	.left_margin		= 0x9f,
295	.right_margin		= 1,
296	.vsync_len		= 44,
297	.upper_margin		= 0,
298	.lower_margin		= 0,
299	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
300};
301
302static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
303	.pixclock		= 110000,
304	.xres			= 240,
305	.yres			= 320,
306	.bpp			= 16,
307	.hsync_len		= 4,
308	.left_margin		= 8,
309	.right_margin		= 20,
310	.vsync_len		= 3,
311	.upper_margin		= 1,
312	.lower_margin		= 10,
313	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
314};
315
316static struct pxafb_mach_info mainstone_pxafb_info = {
317	.num_modes      	= 1,
318	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
319};
320
321static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
322{
323	int err;
324
325	/* make sure SD/Memory Stick multiplexer's signals
326	 * are routed to MMC controller
327	 */
328	MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
329
330	err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
331			     "MMC card detect", data);
332	if (err)
333		printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
334
335	return err;
336}
337
338static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
339{
340	struct pxamci_platform_data* p_d = dev->platform_data;
341
342	if (( 1 << vdd) & p_d->ocr_mask) {
343		printk(KERN_DEBUG "%s: on\n", __func__);
344		MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
345		MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
346	} else {
347		printk(KERN_DEBUG "%s: off\n", __func__);
348		MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
349	}
350	return 0;
351}
352
353static void mainstone_mci_exit(struct device *dev, void *data)
354{
355	free_irq(MAINSTONE_MMC_IRQ, data);
356}
357
358static struct pxamci_platform_data mainstone_mci_platform_data = {
359	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
360	.init 			= mainstone_mci_init,
361	.setpower 		= mainstone_mci_setpower,
362	.exit			= mainstone_mci_exit,
363	.gpio_card_detect	= -1,
364	.gpio_card_ro		= -1,
365	.gpio_power		= -1,
366};
367
368static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
369{
370	unsigned long flags;
371
372	local_irq_save(flags);
373	if (mode & IR_SIRMODE) {
374		MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
375	} else if (mode & IR_FIRMODE) {
376		MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
377	}
378	pxa2xx_transceiver_mode(dev, mode);
379	if (mode & IR_OFF) {
380		MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
381	} else {
382		MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
383	}
384	local_irq_restore(flags);
385}
386
387static struct pxaficp_platform_data mainstone_ficp_platform_data = {
388	.gpio_pwdown		= -1,
389	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
390	.transceiver_mode	= mainstone_irda_transceiver_mode,
391};
392
393static struct gpio_keys_button gpio_keys_button[] = {
394	[0] = {
395		.desc	= "wakeup",
396		.code	= KEY_SUSPEND,
397		.type	= EV_KEY,
398		.gpio	= 1,
399		.wakeup	= 1,
400	},
401};
402
403static struct gpio_keys_platform_data mainstone_gpio_keys = {
404	.buttons	= gpio_keys_button,
405	.nbuttons	= 1,
406};
407
408static struct platform_device mst_gpio_keys_device = {
409	.name		= "gpio-keys",
410	.id		= -1,
411	.dev		= {
412		.platform_data	= &mainstone_gpio_keys,
413	},
414};
415
416static struct resource mst_cplds_resources[] = {
417	[0] = {
418		.start	= MST_FPGA_PHYS + 0xc0,
419		.end	= MST_FPGA_PHYS + 0xe0 - 1,
420		.flags	= IORESOURCE_MEM,
421	},
422	[1] = {
423		.start	= PXA_GPIO_TO_IRQ(0),
424		.end	= PXA_GPIO_TO_IRQ(0),
425		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
426	},
427	[2] = {
428		.start	= MAINSTONE_IRQ(0),
429		.end	= MAINSTONE_IRQ(15),
430		.flags	= IORESOURCE_IRQ,
431	},
432};
433
434static struct platform_device mst_cplds_device = {
435	.name		= "pxa_cplds_irqs",
436	.id		= -1,
437	.resource	= &mst_cplds_resources[0],
438	.num_resources	= 3,
439};
440
441static struct platform_device *platform_devices[] __initdata = {
442	&smc91x_device,
443	&mst_flash_device[0],
444	&mst_flash_device[1],
445	&mst_gpio_keys_device,
446	&mst_cplds_device,
447};
448
449static struct pxaohci_platform_data mainstone_ohci_platform_data = {
450	.port_mode	= PMM_PERPORT_MODE,
451	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
452};
453
454#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
455static const unsigned int mainstone_matrix_keys[] = {
456	KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
457	KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
458	KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
459	KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
460	KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
461	KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
462	KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
463	KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
464	KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
465
466	KEY(0, 4, KEY_DOT),	/* . */
467	KEY(1, 4, KEY_CLOSE),	/* @ */
468	KEY(4, 4, KEY_SLASH),
469	KEY(5, 4, KEY_BACKSLASH),
470	KEY(0, 5, KEY_HOME),
471	KEY(1, 5, KEY_LEFTSHIFT),
472	KEY(2, 5, KEY_SPACE),
473	KEY(3, 5, KEY_SPACE),
474	KEY(4, 5, KEY_ENTER),
475	KEY(5, 5, KEY_BACKSPACE),
476
477	KEY(0, 6, KEY_UP),
478	KEY(1, 6, KEY_DOWN),
479	KEY(2, 6, KEY_LEFT),
480	KEY(3, 6, KEY_RIGHT),
481	KEY(4, 6, KEY_SELECT),
482};
483
484static struct matrix_keymap_data mainstone_matrix_keymap_data = {
485	.keymap			= mainstone_matrix_keys,
486	.keymap_size		= ARRAY_SIZE(mainstone_matrix_keys),
487};
488
489struct pxa27x_keypad_platform_data mainstone_keypad_info = {
490	.matrix_key_rows	= 6,
491	.matrix_key_cols	= 7,
492	.matrix_keymap_data	= &mainstone_matrix_keymap_data,
493
494	.enable_rotary0		= 1,
495	.rotary0_up_key		= KEY_UP,
496	.rotary0_down_key	= KEY_DOWN,
497
498	.debounce_interval	= 30,
499};
500
501static void __init mainstone_init_keypad(void)
502{
503	pxa_set_keypad_info(&mainstone_keypad_info);
504}
505#else
506static inline void mainstone_init_keypad(void) {}
507#endif
508
509static void __init mainstone_init(void)
510{
511	int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
512
513	pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
514
515	pxa_set_ffuart_info(NULL);
516	pxa_set_btuart_info(NULL);
517	pxa_set_stuart_info(NULL);
518
519	mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
520	mst_flash_data[1].width = 4;
521
522	/* Compensate for SW7 which swaps the flash banks */
523	mst_flash_data[SW7].name = "processor-flash";
524	mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
525
526	printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
527	       mst_flash_data[0].name);
528
529	/* system bus arbiter setting
530	 * - Core_Park
531	 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
532	 */
533	ARB_CNTRL = ARB_CORE_PARK | 0x234;
534
535	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
536
537	/* reading Mainstone's "Virtual Configuration Register"
538	   might be handy to select LCD type here */
539	if (0)
540		mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
541	else
542		mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
543
544	pxa_set_fb_info(NULL, &mainstone_pxafb_info);
545	mainstone_backlight_register();
546
547	pxa_set_mci_info(&mainstone_mci_platform_data);
548	pxa_set_ficp_info(&mainstone_ficp_platform_data);
549	pxa_set_ohci_info(&mainstone_ohci_platform_data);
550	pxa_set_i2c_info(NULL);
551	pxa_set_ac97_info(&mst_audio_ops);
552
553	mainstone_init_keypad();
554}
555
556
557static struct map_desc mainstone_io_desc[] __initdata = {
558  	{	/* CPLD */
559		.virtual	=  MST_FPGA_VIRT,
560		.pfn		= __phys_to_pfn(MST_FPGA_PHYS),
561		.length		= 0x00100000,
562		.type		= MT_DEVICE
563	}
564};
565
566static void __init mainstone_map_io(void)
567{
568	pxa27x_map_io();
569	iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
570
571 	/*	for use I SRAM as framebuffer.	*/
572 	PSLR |= 0xF04;
573 	PCFR = 0x66;
574}
575
576/*
577 * Driver for the 8 discrete LEDs available for general use:
578 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
579 * so be sure to not monkey with them here.
580 */
581
582#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
583struct mainstone_led {
584	struct led_classdev	cdev;
585	u8			mask;
586};
587
588/*
589 * The triggers lines up below will only be used if the
590 * LED triggers are compiled in.
591 */
592static const struct {
593	const char *name;
594	const char *trigger;
595} mainstone_leds[] = {
596	{ "mainstone:D28", "default-on", },
597	{ "mainstone:D27", "cpu0", },
598	{ "mainstone:D26", "heartbeat" },
599	{ "mainstone:D25", },
600	{ "mainstone:D24", },
601	{ "mainstone:D23", },
602	{ "mainstone:D22", },
603	{ "mainstone:D21", },
604};
605
606static void mainstone_led_set(struct led_classdev *cdev,
607			      enum led_brightness b)
608{
609	struct mainstone_led *led = container_of(cdev,
610					 struct mainstone_led, cdev);
611	u32 reg = MST_LEDCTRL;
612
613	if (b != LED_OFF)
614		reg |= led->mask;
615	else
616		reg &= ~led->mask;
617
618	MST_LEDCTRL = reg;
619}
620
621static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
622{
623	struct mainstone_led *led = container_of(cdev,
624					 struct mainstone_led, cdev);
625	u32 reg = MST_LEDCTRL;
626
627	return (reg & led->mask) ? LED_FULL : LED_OFF;
628}
629
630static int __init mainstone_leds_init(void)
631{
632	int i;
633
634	if (!machine_is_mainstone())
635		return -ENODEV;
636
637	/* All ON */
638	MST_LEDCTRL |= 0xff;
639	for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
640		struct mainstone_led *led;
641
642		led = kzalloc(sizeof(*led), GFP_KERNEL);
643		if (!led)
644			break;
645
646		led->cdev.name = mainstone_leds[i].name;
647		led->cdev.brightness_set = mainstone_led_set;
648		led->cdev.brightness_get = mainstone_led_get;
649		led->cdev.default_trigger = mainstone_leds[i].trigger;
650		led->mask = BIT(i);
651
652		if (led_classdev_register(NULL, &led->cdev) < 0) {
653			kfree(led);
654			break;
655		}
656	}
657
658	return 0;
659}
660
661/*
662 * Since we may have triggers on any subsystem, defer registration
663 * until after subsystem_init.
664 */
665fs_initcall(mainstone_leds_init);
666#endif
667
668MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
669	/* Maintainer: MontaVista Software Inc. */
670	.atag_offset	= 0x100,	/* BLOB boot parameter setting */
671	.map_io		= mainstone_map_io,
672	.nr_irqs	= MAINSTONE_NR_IRQS,
673	.init_irq	= pxa27x_init_irq,
674	.handle_irq	= pxa27x_handle_irq,
675	.init_time	= pxa_timer_init,
676	.init_machine	= mainstone_init,
677	.restart	= pxa_restart,
678MACHINE_END
679