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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 <plat/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 | 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 | |
125 | static void mainstone_mask_irq(unsigned int irq) |
126 | { |
127 | int mainstone_irq = (irq - MAINSTONE_IRQ(0)); |
128 | MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq)); |
129 | } |
130 | |
131 | static void mainstone_unmask_irq(unsigned int irq) |
132 | { |
133 | int mainstone_irq = (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 | .ack = mainstone_mask_irq, |
142 | .mask = mainstone_mask_irq, |
143 | .unmask = mainstone_unmask_irq, |
144 | }; |
145 | |
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 | desc->chip->ack(irq); /* clear useless edge notification */ |
151 | if (likely(pending)) { |
152 | irq = MAINSTONE_IRQ(0) + __ffs(pending); |
153 | generic_handle_irq(irq); |
154 | } |
155 | pending = MST_INTSETCLR & mainstone_irq_enabled; |
156 | } while (pending); |
157 | } |
158 | |
159 | static void __init mainstone_init_irq(void) |
160 | { |
161 | int irq; |
162 | |
163 | pxa27x_init_irq(); |
164 | |
165 | /* setup extra Mainstone irqs */ |
166 | for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) { |
167 | set_irq_chip(irq, &mainstone_irq_chip); |
168 | set_irq_handler(irq, handle_level_irq); |
169 | if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14)) |
170 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN); |
171 | else |
172 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); |
173 | } |
174 | set_irq_flags(MAINSTONE_IRQ(8), 0); |
175 | set_irq_flags(MAINSTONE_IRQ(12), 0); |
176 | |
177 | MST_INTMSKENA = 0; |
178 | MST_INTSETCLR = 0; |
179 | |
180 | set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler); |
181 | set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING); |
182 | } |
183 | |
184 | #ifdef CONFIG_PM |
185 | |
186 | static int mainstone_irq_resume(struct sys_device *dev) |
187 | { |
188 | MST_INTMSKENA = mainstone_irq_enabled; |
189 | return 0; |
190 | } |
191 | |
192 | static struct sysdev_class mainstone_irq_sysclass = { |
193 | .name = "cpld_irq", |
194 | .resume = mainstone_irq_resume, |
195 | }; |
196 | |
197 | static struct sys_device mainstone_irq_device = { |
198 | .cls = &mainstone_irq_sysclass, |
199 | }; |
200 | |
201 | static int __init mainstone_irq_device_init(void) |
202 | { |
203 | int ret = -ENODEV; |
204 | |
205 | if (machine_is_mainstone()) { |
206 | ret = sysdev_class_register(&mainstone_irq_sysclass); |
207 | if (ret == 0) |
208 | ret = sysdev_register(&mainstone_irq_device); |
209 | } |
210 | return ret; |
211 | } |
212 | |
213 | device_initcall(mainstone_irq_device_init); |
214 | |
215 | #endif |
216 | |
217 | |
218 | static struct resource smc91x_resources[] = { |
219 | [0] = { |
220 | .start = (MST_ETH_PHYS + 0x300), |
221 | .end = (MST_ETH_PHYS + 0xfffff), |
222 | .flags = IORESOURCE_MEM, |
223 | }, |
224 | [1] = { |
225 | .start = MAINSTONE_IRQ(3), |
226 | .end = MAINSTONE_IRQ(3), |
227 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
228 | } |
229 | }; |
230 | |
231 | static struct smc91x_platdata mainstone_smc91x_info = { |
232 | .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | |
233 | SMC91X_NOWAIT | SMC91X_USE_DMA, |
234 | }; |
235 | |
236 | static struct platform_device smc91x_device = { |
237 | .name = "smc91x", |
238 | .id = 0, |
239 | .num_resources = ARRAY_SIZE(smc91x_resources), |
240 | .resource = smc91x_resources, |
241 | .dev = { |
242 | .platform_data = &mainstone_smc91x_info, |
243 | }, |
244 | }; |
245 | |
246 | static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv) |
247 | { |
248 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
249 | MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF; |
250 | return 0; |
251 | } |
252 | |
253 | static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv) |
254 | { |
255 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
256 | MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; |
257 | } |
258 | |
259 | static long mst_audio_suspend_mask; |
260 | |
261 | static void mst_audio_suspend(void *priv) |
262 | { |
263 | mst_audio_suspend_mask = MST_MSCWR2; |
264 | MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; |
265 | } |
266 | |
267 | static void mst_audio_resume(void *priv) |
268 | { |
269 | MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF; |
270 | } |
271 | |
272 | static pxa2xx_audio_ops_t mst_audio_ops = { |
273 | .startup = mst_audio_startup, |
274 | .shutdown = mst_audio_shutdown, |
275 | .suspend = mst_audio_suspend, |
276 | .resume = mst_audio_resume, |
277 | }; |
278 | |
279 | static struct resource flash_resources[] = { |
280 | [0] = { |
281 | .start = PXA_CS0_PHYS, |
282 | .end = PXA_CS0_PHYS + SZ_64M - 1, |
283 | .flags = IORESOURCE_MEM, |
284 | }, |
285 | [1] = { |
286 | .start = PXA_CS1_PHYS, |
287 | .end = PXA_CS1_PHYS + SZ_64M - 1, |
288 | .flags = IORESOURCE_MEM, |
289 | }, |
290 | }; |
291 | |
292 | static struct mtd_partition mainstoneflash0_partitions[] = { |
293 | { |
294 | .name = "Bootloader", |
295 | .size = 0x00040000, |
296 | .offset = 0, |
297 | .mask_flags = MTD_WRITEABLE /* force read-only */ |
298 | },{ |
299 | .name = "Kernel", |
300 | .size = 0x00400000, |
301 | .offset = 0x00040000, |
302 | },{ |
303 | .name = "Filesystem", |
304 | .size = MTDPART_SIZ_FULL, |
305 | .offset = 0x00440000 |
306 | } |
307 | }; |
308 | |
309 | static struct flash_platform_data mst_flash_data[2] = { |
310 | { |
311 | .map_name = "cfi_probe", |
312 | .parts = mainstoneflash0_partitions, |
313 | .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions), |
314 | }, { |
315 | .map_name = "cfi_probe", |
316 | .parts = NULL, |
317 | .nr_parts = 0, |
318 | } |
319 | }; |
320 | |
321 | static struct platform_device mst_flash_device[2] = { |
322 | { |
323 | .name = "pxa2xx-flash", |
324 | .id = 0, |
325 | .dev = { |
326 | .platform_data = &mst_flash_data[0], |
327 | }, |
328 | .resource = &flash_resources[0], |
329 | .num_resources = 1, |
330 | }, |
331 | { |
332 | .name = "pxa2xx-flash", |
333 | .id = 1, |
334 | .dev = { |
335 | .platform_data = &mst_flash_data[1], |
336 | }, |
337 | .resource = &flash_resources[1], |
338 | .num_resources = 1, |
339 | }, |
340 | }; |
341 | |
342 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
343 | static struct platform_pwm_backlight_data mainstone_backlight_data = { |
344 | .pwm_id = 0, |
345 | .max_brightness = 1023, |
346 | .dft_brightness = 1023, |
347 | .pwm_period_ns = 78770, |
348 | }; |
349 | |
350 | static struct platform_device mainstone_backlight_device = { |
351 | .name = "pwm-backlight", |
352 | .dev = { |
353 | .parent = &pxa27x_device_pwm0.dev, |
354 | .platform_data = &mainstone_backlight_data, |
355 | }, |
356 | }; |
357 | |
358 | static void __init mainstone_backlight_register(void) |
359 | { |
360 | int ret = platform_device_register(&mainstone_backlight_device); |
361 | if (ret) |
362 | printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); |
363 | } |
364 | #else |
365 | #define mainstone_backlight_register() do { } while (0) |
366 | #endif |
367 | |
368 | static struct pxafb_mode_info toshiba_ltm04c380k_mode = { |
369 | .pixclock = 50000, |
370 | .xres = 640, |
371 | .yres = 480, |
372 | .bpp = 16, |
373 | .hsync_len = 1, |
374 | .left_margin = 0x9f, |
375 | .right_margin = 1, |
376 | .vsync_len = 44, |
377 | .upper_margin = 0, |
378 | .lower_margin = 0, |
379 | .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, |
380 | }; |
381 | |
382 | static struct pxafb_mode_info toshiba_ltm035a776c_mode = { |
383 | .pixclock = 110000, |
384 | .xres = 240, |
385 | .yres = 320, |
386 | .bpp = 16, |
387 | .hsync_len = 4, |
388 | .left_margin = 8, |
389 | .right_margin = 20, |
390 | .vsync_len = 3, |
391 | .upper_margin = 1, |
392 | .lower_margin = 10, |
393 | .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, |
394 | }; |
395 | |
396 | static struct pxafb_mach_info mainstone_pxafb_info = { |
397 | .num_modes = 1, |
398 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
399 | }; |
400 | |
401 | static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data) |
402 | { |
403 | int err; |
404 | |
405 | /* make sure SD/Memory Stick multiplexer's signals |
406 | * are routed to MMC controller |
407 | */ |
408 | MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; |
409 | |
410 | err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED, |
411 | "MMC card detect", data); |
412 | if (err) |
413 | printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
414 | |
415 | return err; |
416 | } |
417 | |
418 | static void mainstone_mci_setpower(struct device *dev, unsigned int vdd) |
419 | { |
420 | struct pxamci_platform_data* p_d = dev->platform_data; |
421 | |
422 | if (( 1 << vdd) & p_d->ocr_mask) { |
423 | printk(KERN_DEBUG "%s: on\n", __func__); |
424 | MST_MSCWR1 |= MST_MSCWR1_MMC_ON; |
425 | MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; |
426 | } else { |
427 | printk(KERN_DEBUG "%s: off\n", __func__); |
428 | MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON; |
429 | } |
430 | } |
431 | |
432 | static void mainstone_mci_exit(struct device *dev, void *data) |
433 | { |
434 | free_irq(MAINSTONE_MMC_IRQ, data); |
435 | } |
436 | |
437 | static struct pxamci_platform_data mainstone_mci_platform_data = { |
438 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
439 | .init = mainstone_mci_init, |
440 | .setpower = mainstone_mci_setpower, |
441 | .exit = mainstone_mci_exit, |
442 | .gpio_card_detect = -1, |
443 | .gpio_card_ro = -1, |
444 | .gpio_power = -1, |
445 | }; |
446 | |
447 | static void mainstone_irda_transceiver_mode(struct device *dev, int mode) |
448 | { |
449 | unsigned long flags; |
450 | |
451 | local_irq_save(flags); |
452 | if (mode & IR_SIRMODE) { |
453 | MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR; |
454 | } else if (mode & IR_FIRMODE) { |
455 | MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR; |
456 | } |
457 | pxa2xx_transceiver_mode(dev, mode); |
458 | if (mode & IR_OFF) { |
459 | MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF; |
460 | } else { |
461 | MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL; |
462 | } |
463 | local_irq_restore(flags); |
464 | } |
465 | |
466 | static struct pxaficp_platform_data mainstone_ficp_platform_data = { |
467 | .gpio_pwdown = -1, |
468 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, |
469 | .transceiver_mode = mainstone_irda_transceiver_mode, |
470 | }; |
471 | |
472 | static struct gpio_keys_button gpio_keys_button[] = { |
473 | [0] = { |
474 | .desc = "wakeup", |
475 | .code = KEY_SUSPEND, |
476 | .type = EV_KEY, |
477 | .gpio = 1, |
478 | .wakeup = 1, |
479 | }, |
480 | }; |
481 | |
482 | static struct gpio_keys_platform_data mainstone_gpio_keys = { |
483 | .buttons = gpio_keys_button, |
484 | .nbuttons = 1, |
485 | }; |
486 | |
487 | static struct platform_device mst_gpio_keys_device = { |
488 | .name = "gpio-keys", |
489 | .id = -1, |
490 | .dev = { |
491 | .platform_data = &mainstone_gpio_keys, |
492 | }, |
493 | }; |
494 | |
495 | static struct platform_device *platform_devices[] __initdata = { |
496 | &smc91x_device, |
497 | &mst_flash_device[0], |
498 | &mst_flash_device[1], |
499 | &mst_gpio_keys_device, |
500 | }; |
501 | |
502 | static struct pxaohci_platform_data mainstone_ohci_platform_data = { |
503 | .port_mode = PMM_PERPORT_MODE, |
504 | .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, |
505 | }; |
506 | |
507 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
508 | static unsigned int mainstone_matrix_keys[] = { |
509 | KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C), |
510 | KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F), |
511 | KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I), |
512 | KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L), |
513 | KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O), |
514 | KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R), |
515 | KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U), |
516 | KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X), |
517 | KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z), |
518 | |
519 | KEY(0, 4, KEY_DOT), /* . */ |
520 | KEY(1, 4, KEY_CLOSE), /* @ */ |
521 | KEY(4, 4, KEY_SLASH), |
522 | KEY(5, 4, KEY_BACKSLASH), |
523 | KEY(0, 5, KEY_HOME), |
524 | KEY(1, 5, KEY_LEFTSHIFT), |
525 | KEY(2, 5, KEY_SPACE), |
526 | KEY(3, 5, KEY_SPACE), |
527 | KEY(4, 5, KEY_ENTER), |
528 | KEY(5, 5, KEY_BACKSPACE), |
529 | |
530 | KEY(0, 6, KEY_UP), |
531 | KEY(1, 6, KEY_DOWN), |
532 | KEY(2, 6, KEY_LEFT), |
533 | KEY(3, 6, KEY_RIGHT), |
534 | KEY(4, 6, KEY_SELECT), |
535 | }; |
536 | |
537 | struct pxa27x_keypad_platform_data mainstone_keypad_info = { |
538 | .matrix_key_rows = 6, |
539 | .matrix_key_cols = 7, |
540 | .matrix_key_map = mainstone_matrix_keys, |
541 | .matrix_key_map_size = ARRAY_SIZE(mainstone_matrix_keys), |
542 | |
543 | .enable_rotary0 = 1, |
544 | .rotary0_up_key = KEY_UP, |
545 | .rotary0_down_key = KEY_DOWN, |
546 | |
547 | .debounce_interval = 30, |
548 | }; |
549 | |
550 | static void __init mainstone_init_keypad(void) |
551 | { |
552 | pxa_set_keypad_info(&mainstone_keypad_info); |
553 | } |
554 | #else |
555 | static inline void mainstone_init_keypad(void) {} |
556 | #endif |
557 | |
558 | static void __init mainstone_init(void) |
559 | { |
560 | int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ |
561 | |
562 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config)); |
563 | |
564 | pxa_set_ffuart_info(NULL); |
565 | pxa_set_btuart_info(NULL); |
566 | pxa_set_stuart_info(NULL); |
567 | |
568 | mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4; |
569 | mst_flash_data[1].width = 4; |
570 | |
571 | /* Compensate for SW7 which swaps the flash banks */ |
572 | mst_flash_data[SW7].name = "processor-flash"; |
573 | mst_flash_data[SW7 ^ 1].name = "mainboard-flash"; |
574 | |
575 | printk(KERN_NOTICE "Mainstone configured to boot from %s\n", |
576 | mst_flash_data[0].name); |
577 | |
578 | /* system bus arbiter setting |
579 | * - Core_Park |
580 | * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4 |
581 | */ |
582 | ARB_CNTRL = ARB_CORE_PARK | 0x234; |
583 | |
584 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
585 | |
586 | /* reading Mainstone's "Virtual Configuration Register" |
587 | might be handy to select LCD type here */ |
588 | if (0) |
589 | mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode; |
590 | else |
591 | mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode; |
592 | |
593 | set_pxa_fb_info(&mainstone_pxafb_info); |
594 | mainstone_backlight_register(); |
595 | |
596 | pxa_set_mci_info(&mainstone_mci_platform_data); |
597 | pxa_set_ficp_info(&mainstone_ficp_platform_data); |
598 | pxa_set_ohci_info(&mainstone_ohci_platform_data); |
599 | pxa_set_i2c_info(NULL); |
600 | pxa_set_ac97_info(&mst_audio_ops); |
601 | |
602 | mainstone_init_keypad(); |
603 | } |
604 | |
605 | |
606 | static struct map_desc mainstone_io_desc[] __initdata = { |
607 | { /* CPLD */ |
608 | .virtual = MST_FPGA_VIRT, |
609 | .pfn = __phys_to_pfn(MST_FPGA_PHYS), |
610 | .length = 0x00100000, |
611 | .type = MT_DEVICE |
612 | } |
613 | }; |
614 | |
615 | static void __init mainstone_map_io(void) |
616 | { |
617 | pxa_map_io(); |
618 | iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc)); |
619 | |
620 | /* for use I SRAM as framebuffer. */ |
621 | PSLR |= 0xF04; |
622 | PCFR = 0x66; |
623 | } |
624 | |
625 | MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") |
626 | /* Maintainer: MontaVista Software Inc. */ |
627 | .boot_params = 0xa0000100, /* BLOB boot parameter setting */ |
628 | .map_io = mainstone_map_io, |
629 | .nr_irqs = MAINSTONE_NR_IRQS, |
630 | .init_irq = mainstone_init_irq, |
631 | .timer = &pxa_timer, |
632 | .init_machine = mainstone_init, |
633 | MACHINE_END |
634 |
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Tags:
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v2.6.34-rc5
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