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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/gpio.h>
47#include <mach/mainstone.h>
48#include <mach/audio.h>
49#include <mach/pxafb.h>
50#include <mach/mmc.h>
51#include <mach/irda.h>
52#include <mach/ohci.h>
53#include <plat/pxa27x_keypad.h>
54#include <mach/smemc.h>
55
56#include "generic.h"
57#include "devices.h"
58
59static unsigned long mainstone_pin_config[] = {
60
61 GPIO15_nCS_1,
62
63
64 GPIOxx_LCD_TFT_16BPP,
65 GPIO16_PWM0_OUT,
66
67
68 GPIO32_MMC_CLK,
69 GPIO112_MMC_CMD,
70 GPIO92_MMC_DAT_0,
71 GPIO109_MMC_DAT_1,
72 GPIO110_MMC_DAT_2,
73 GPIO111_MMC_DAT_3,
74
75
76 GPIO88_USBH1_PWR,
77 GPIO89_USBH1_PEN,
78
79
80 GPIO48_nPOE,
81 GPIO49_nPWE,
82 GPIO50_nPIOR,
83 GPIO51_nPIOW,
84 GPIO85_nPCE_1,
85 GPIO54_nPCE_2,
86 GPIO79_PSKTSEL,
87 GPIO55_nPREG,
88 GPIO56_nPWAIT,
89 GPIO57_nIOIS16,
90
91
92 GPIO28_AC97_BITCLK,
93 GPIO29_AC97_SDATA_IN_0,
94 GPIO30_AC97_SDATA_OUT,
95 GPIO31_AC97_SYNC,
96 GPIO45_AC97_SYSCLK,
97
98
99 GPIO93_KP_DKIN_0,
100 GPIO94_KP_DKIN_1,
101 GPIO95_KP_DKIN_2,
102 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
103 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
104 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
105 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
106 GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
107 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
108 GPIO103_KP_MKOUT_0,
109 GPIO104_KP_MKOUT_1,
110 GPIO105_KP_MKOUT_2,
111 GPIO106_KP_MKOUT_3,
112 GPIO107_KP_MKOUT_4,
113 GPIO108_KP_MKOUT_5,
114 GPIO96_KP_MKOUT_6,
115
116
117 GPIO117_I2C_SCL,
118 GPIO118_I2C_SDA,
119
120
121 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
122};
123
124static unsigned long mainstone_irq_enabled;
125
126static void mainstone_mask_irq(struct irq_data *d)
127{
128 int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
129 MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
130}
131
132static void mainstone_unmask_irq(struct irq_data *d)
133{
134 int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
135
136 MST_INTSETCLR &= ~(1 << mainstone_irq);
137 MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
138}
139
140static struct irq_chip mainstone_irq_chip = {
141 .name = "FPGA",
142 .irq_ack = mainstone_mask_irq,
143 .irq_mask = mainstone_mask_irq,
144 .irq_unmask = mainstone_unmask_irq,
145};
146
147static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
148{
149 unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
150 do {
151
152 desc->irq_data.chip->irq_ack(&desc->irq_data);
153 if (likely(pending)) {
154 irq = MAINSTONE_IRQ(0) + __ffs(pending);
155 generic_handle_irq(irq);
156 }
157 pending = MST_INTSETCLR & mainstone_irq_enabled;
158 } while (pending);
159}
160
161static void __init mainstone_init_irq(void)
162{
163 int irq;
164
165 pxa27x_init_irq();
166
167
168 for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
169 irq_set_chip_and_handler(irq, &mainstone_irq_chip,
170 handle_level_irq);
171 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
172 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
173 else
174 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
175 }
176 set_irq_flags(MAINSTONE_IRQ(8), 0);
177 set_irq_flags(MAINSTONE_IRQ(12), 0);
178
179 MST_INTMSKENA = 0;
180 MST_INTSETCLR = 0;
181
182 irq_set_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
183 irq_set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
184}
185
186#ifdef CONFIG_PM
187
188static void mainstone_irq_resume(void)
189{
190 MST_INTMSKENA = mainstone_irq_enabled;
191}
192
193static struct syscore_ops mainstone_irq_syscore_ops = {
194 .resume = mainstone_irq_resume,
195};
196
197static int __init mainstone_irq_device_init(void)
198{
199 if (machine_is_mainstone())
200 register_syscore_ops(&mainstone_irq_syscore_ops);
201
202 return 0;
203}
204
205device_initcall(mainstone_irq_device_init);
206
207#endif
208
209
210static struct resource smc91x_resources[] = {
211 [0] = {
212 .start = (MST_ETH_PHYS + 0x300),
213 .end = (MST_ETH_PHYS + 0xfffff),
214 .flags = IORESOURCE_MEM,
215 },
216 [1] = {
217 .start = MAINSTONE_IRQ(3),
218 .end = MAINSTONE_IRQ(3),
219 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
220 }
221};
222
223static struct smc91x_platdata mainstone_smc91x_info = {
224 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
225 SMC91X_NOWAIT | SMC91X_USE_DMA,
226};
227
228static struct platform_device smc91x_device = {
229 .name = "smc91x",
230 .id = 0,
231 .num_resources = ARRAY_SIZE(smc91x_resources),
232 .resource = smc91x_resources,
233 .dev = {
234 .platform_data = &mainstone_smc91x_info,
235 },
236};
237
238static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
239{
240 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
241 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
242 return 0;
243}
244
245static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
246{
247 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
248 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
249}
250
251static long mst_audio_suspend_mask;
252
253static void mst_audio_suspend(void *priv)
254{
255 mst_audio_suspend_mask = MST_MSCWR2;
256 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
257}
258
259static void mst_audio_resume(void *priv)
260{
261 MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
262}
263
264static pxa2xx_audio_ops_t mst_audio_ops = {
265 .startup = mst_audio_startup,
266 .shutdown = mst_audio_shutdown,
267 .suspend = mst_audio_suspend,
268 .resume = mst_audio_resume,
269};
270
271static struct resource flash_resources[] = {
272 [0] = {
273 .start = PXA_CS0_PHYS,
274 .end = PXA_CS0_PHYS + SZ_64M - 1,
275 .flags = IORESOURCE_MEM,
276 },
277 [1] = {
278 .start = PXA_CS1_PHYS,
279 .end = PXA_CS1_PHYS + SZ_64M - 1,
280 .flags = IORESOURCE_MEM,
281 },
282};
283
284static struct mtd_partition mainstoneflash0_partitions[] = {
285 {
286 .name = "Bootloader",
287 .size = 0x00040000,
288 .offset = 0,
289 .mask_flags = MTD_WRITEABLE
290 },{
291 .name = "Kernel",
292 .size = 0x00400000,
293 .offset = 0x00040000,
294 },{
295 .name = "Filesystem",
296 .size = MTDPART_SIZ_FULL,
297 .offset = 0x00440000
298 }
299};
300
301static struct flash_platform_data mst_flash_data[2] = {
302 {
303 .map_name = "cfi_probe",
304 .parts = mainstoneflash0_partitions,
305 .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions),
306 }, {
307 .map_name = "cfi_probe",
308 .parts = NULL,
309 .nr_parts = 0,
310 }
311};
312
313static struct platform_device mst_flash_device[2] = {
314 {
315 .name = "pxa2xx-flash",
316 .id = 0,
317 .dev = {
318 .platform_data = &mst_flash_data[0],
319 },
320 .resource = &flash_resources[0],
321 .num_resources = 1,
322 },
323 {
324 .name = "pxa2xx-flash",
325 .id = 1,
326 .dev = {
327 .platform_data = &mst_flash_data[1],
328 },
329 .resource = &flash_resources[1],
330 .num_resources = 1,
331 },
332};
333
334#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
335static struct platform_pwm_backlight_data mainstone_backlight_data = {
336 .pwm_id = 0,
337 .max_brightness = 1023,
338 .dft_brightness = 1023,
339 .pwm_period_ns = 78770,
340};
341
342static struct platform_device mainstone_backlight_device = {
343 .name = "pwm-backlight",
344 .dev = {
345 .parent = &pxa27x_device_pwm0.dev,
346 .platform_data = &mainstone_backlight_data,
347 },
348};
349
350static void __init mainstone_backlight_register(void)
351{
352 int ret = platform_device_register(&mainstone_backlight_device);
353 if (ret)
354 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
355}
356#else
357#define mainstone_backlight_register() do { } while (0)
358#endif
359
360static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
361 .pixclock = 50000,
362 .xres = 640,
363 .yres = 480,
364 .bpp = 16,
365 .hsync_len = 1,
366 .left_margin = 0x9f,
367 .right_margin = 1,
368 .vsync_len = 44,
369 .upper_margin = 0,
370 .lower_margin = 0,
371 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
372};
373
374static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
375 .pixclock = 110000,
376 .xres = 240,
377 .yres = 320,
378 .bpp = 16,
379 .hsync_len = 4,
380 .left_margin = 8,
381 .right_margin = 20,
382 .vsync_len = 3,
383 .upper_margin = 1,
384 .lower_margin = 10,
385 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
386};
387
388static struct pxafb_mach_info mainstone_pxafb_info = {
389 .num_modes = 1,
390 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
391};
392
393static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
394{
395 int err;
396
397
398
399
400 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
401
402 err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
403 "MMC card detect", data);
404 if (err)
405 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
406
407 return err;
408}
409
410static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
411{
412 struct pxamci_platform_data* p_d = dev->platform_data;
413
414 if (( 1 << vdd) & p_d->ocr_mask) {
415 printk(KERN_DEBUG "%s: on\n", __func__);
416 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
417 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
418 } else {
419 printk(KERN_DEBUG "%s: off\n", __func__);
420 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
421 }
422}
423
424static void mainstone_mci_exit(struct device *dev, void *data)
425{
426 free_irq(MAINSTONE_MMC_IRQ, data);
427}
428
429static struct pxamci_platform_data mainstone_mci_platform_data = {
430 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
431 .init = mainstone_mci_init,
432 .setpower = mainstone_mci_setpower,
433 .exit = mainstone_mci_exit,
434 .gpio_card_detect = -1,
435 .gpio_card_ro = -1,
436 .gpio_power = -1,
437};
438
439static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
440{
441 unsigned long flags;
442
443 local_irq_save(flags);
444 if (mode & IR_SIRMODE) {
445 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
446 } else if (mode & IR_FIRMODE) {
447 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
448 }
449 pxa2xx_transceiver_mode(dev, mode);
450 if (mode & IR_OFF) {
451 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
452 } else {
453 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
454 }
455 local_irq_restore(flags);
456}
457
458static struct pxaficp_platform_data mainstone_ficp_platform_data = {
459 .gpio_pwdown = -1,
460 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
461 .transceiver_mode = mainstone_irda_transceiver_mode,
462};
463
464static struct gpio_keys_button gpio_keys_button[] = {
465 [0] = {
466 .desc = "wakeup",
467 .code = KEY_SUSPEND,
468 .type = EV_KEY,
469 .gpio = 1,
470 .wakeup = 1,
471 },
472};
473
474static struct gpio_keys_platform_data mainstone_gpio_keys = {
475 .buttons = gpio_keys_button,
476 .nbuttons = 1,
477};
478
479static struct platform_device mst_gpio_keys_device = {
480 .name = "gpio-keys",
481 .id = -1,
482 .dev = {
483 .platform_data = &mainstone_gpio_keys,
484 },
485};
486
487static struct platform_device *platform_devices[] __initdata = {
488 &smc91x_device,
489 &mst_flash_device[0],
490 &mst_flash_device[1],
491 &mst_gpio_keys_device,
492};
493
494static struct pxaohci_platform_data mainstone_ohci_platform_data = {
495 .port_mode = PMM_PERPORT_MODE,
496 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
497};
498
499#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
500static unsigned int mainstone_matrix_keys[] = {
501 KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
502 KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
503 KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
504 KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
505 KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
506 KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
507 KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
508 KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
509 KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
510
511 KEY(0, 4, KEY_DOT),
512 KEY(1, 4, KEY_CLOSE),
513 KEY(4, 4, KEY_SLASH),
514 KEY(5, 4, KEY_BACKSLASH),
515 KEY(0, 5, KEY_HOME),
516 KEY(1, 5, KEY_LEFTSHIFT),
517 KEY(2, 5, KEY_SPACE),
518 KEY(3, 5, KEY_SPACE),
519 KEY(4, 5, KEY_ENTER),
520 KEY(5, 5, KEY_BACKSPACE),
521
522 KEY(0, 6, KEY_UP),
523 KEY(1, 6, KEY_DOWN),
524 KEY(2, 6, KEY_LEFT),
525 KEY(3, 6, KEY_RIGHT),
526 KEY(4, 6, KEY_SELECT),
527};
528
529struct pxa27x_keypad_platform_data mainstone_keypad_info = {
530 .matrix_key_rows = 6,
531 .matrix_key_cols = 7,
532 .matrix_key_map = mainstone_matrix_keys,
533 .matrix_key_map_size = ARRAY_SIZE(mainstone_matrix_keys),
534
535 .enable_rotary0 = 1,
536 .rotary0_up_key = KEY_UP,
537 .rotary0_down_key = KEY_DOWN,
538
539 .debounce_interval = 30,
540};
541
542static void __init mainstone_init_keypad(void)
543{
544 pxa_set_keypad_info(&mainstone_keypad_info);
545}
546#else
547static inline void mainstone_init_keypad(void) {}
548#endif
549
550static void __init mainstone_init(void)
551{
552 int SW7 = 0;
553
554 pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
555
556 pxa_set_ffuart_info(NULL);
557 pxa_set_btuart_info(NULL);
558 pxa_set_stuart_info(NULL);
559
560 mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
561 mst_flash_data[1].width = 4;
562
563
564 mst_flash_data[SW7].name = "processor-flash";
565 mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
566
567 printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
568 mst_flash_data[0].name);
569
570
571
572
573
574 ARB_CNTRL = ARB_CORE_PARK | 0x234;
575
576 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
577
578
579
580 if (0)
581 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
582 else
583 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
584
585 pxa_set_fb_info(NULL, &mainstone_pxafb_info);
586 mainstone_backlight_register();
587
588 pxa_set_mci_info(&mainstone_mci_platform_data);
589 pxa_set_ficp_info(&mainstone_ficp_platform_data);
590 pxa_set_ohci_info(&mainstone_ohci_platform_data);
591 pxa_set_i2c_info(NULL);
592 pxa_set_ac97_info(&mst_audio_ops);
593
594 mainstone_init_keypad();
595}
596
597
598static struct map_desc mainstone_io_desc[] __initdata = {
599 {
600 .virtual = MST_FPGA_VIRT,
601 .pfn = __phys_to_pfn(MST_FPGA_PHYS),
602 .length = 0x00100000,
603 .type = MT_DEVICE
604 }
605};
606
607static void __init mainstone_map_io(void)
608{
609 pxa27x_map_io();
610 iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
611
612
613 PSLR |= 0xF04;
614 PCFR = 0x66;
615}
616
617MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
618
619 .boot_params = 0xa0000100,
620 .map_io = mainstone_map_io,
621 .nr_irqs = MAINSTONE_NR_IRQS,
622 .init_irq = mainstone_init_irq,
623 .timer = &pxa_timer,
624 .init_machine = mainstone_init,
625MACHINE_END
626
