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