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dev.c
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1 /*
2  * linux/arch/arm/mach-w90x900/dev.c
3  *
4  * Copyright (C) 2009 Nuvoton corporation.
5  *
6  * Wan ZongShun <[email protected]>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation;version 2 of the License.
11  *
12  */
13 
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/platform_device.h>
21 #include <linux/slab.h>
22 
23 #include <linux/mtd/physmap.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/partitions.h>
26 
27 #include <linux/spi/spi.h>
28 #include <linux/spi/flash.h>
29 
30 #include <asm/system_misc.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
34 #include <asm/mach-types.h>
35 
36 #include <mach/regs-serial.h>
37 #include <linux/platform_data/spi-nuc900.h>
38 #include <mach/map.h>
39 #include <linux/platform_data/video-nuc900fb.h>
40 #include <mach/regs-ldm.h>
41 #include <linux/platform_data/keypad-w90p910.h>
42 
43 #include "cpu.h"
44 
45 /*NUC900 evb norflash driver data */
46 
47 #define NUC900_FLASH_BASE 0xA0000000
48 #define NUC900_FLASH_SIZE 0x400000
49 #define SPIOFFSET 0x200
50 #define SPIOREG_SIZE 0x100
51 
52 static struct mtd_partition nuc900_flash_partitions[] = {
53  {
54  .name = "NOR Partition 1 for kernel (960K)",
55  .size = 0xF0000,
56  .offset = 0x10000,
57  },
58  {
59  .name = "NOR Partition 2 for image (1M)",
60  .size = 0x100000,
61  .offset = 0x100000,
62  },
63  {
64  .name = "NOR Partition 3 for user (2M)",
65  .size = 0x200000,
66  .offset = 0x00200000,
67  }
68 };
69 
70 static struct physmap_flash_data nuc900_flash_data = {
71  .width = 2,
72  .parts = nuc900_flash_partitions,
73  .nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
74 };
75 
76 static struct resource nuc900_flash_resources[] = {
77  {
78  .start = NUC900_FLASH_BASE,
79  .end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
80  .flags = IORESOURCE_MEM,
81  }
82 };
83 
84 static struct platform_device nuc900_flash_device = {
85  .name = "physmap-flash",
86  .id = 0,
87  .dev = {
88  .platform_data = &nuc900_flash_data,
89  },
90  .resource = nuc900_flash_resources,
91  .num_resources = ARRAY_SIZE(nuc900_flash_resources),
92 };
93 
94 /* USB EHCI Host Controller */
95 
96 static struct resource nuc900_usb_ehci_resource[] = {
97  [0] = {
98  .start = W90X900_PA_USBEHCIHOST,
99  .end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
100  .flags = IORESOURCE_MEM,
101  },
102  [1] = {
103  .start = IRQ_USBH,
104  .end = IRQ_USBH,
105  .flags = IORESOURCE_IRQ,
106  }
107 };
108 
109 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
110 
111 static struct platform_device nuc900_device_usb_ehci = {
112  .name = "nuc900-ehci",
113  .id = -1,
114  .num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
115  .resource = nuc900_usb_ehci_resource,
116  .dev = {
117  .dma_mask = &nuc900_device_usb_ehci_dmamask,
118  .coherent_dma_mask = 0xffffffffUL
119  }
120 };
121 
122 /* USB OHCI Host Controller */
123 
124 static struct resource nuc900_usb_ohci_resource[] = {
125  [0] = {
126  .start = W90X900_PA_USBOHCIHOST,
127  .end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
128  .flags = IORESOURCE_MEM,
129  },
130  [1] = {
131  .start = IRQ_USBH,
132  .end = IRQ_USBH,
133  .flags = IORESOURCE_IRQ,
134  }
135 };
136 
137 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
138 static struct platform_device nuc900_device_usb_ohci = {
139  .name = "nuc900-ohci",
140  .id = -1,
141  .num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
142  .resource = nuc900_usb_ohci_resource,
143  .dev = {
144  .dma_mask = &nuc900_device_usb_ohci_dmamask,
145  .coherent_dma_mask = 0xffffffffUL
146  }
147 };
148 
149 /* USB Device (Gadget)*/
150 
151 static struct resource nuc900_usbgadget_resource[] = {
152  [0] = {
153  .start = W90X900_PA_USBDEV,
154  .end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
155  .flags = IORESOURCE_MEM,
156  },
157  [1] = {
158  .start = IRQ_USBD,
159  .end = IRQ_USBD,
160  .flags = IORESOURCE_IRQ,
161  }
162 };
163 
164 static struct platform_device nuc900_device_usbgadget = {
165  .name = "nuc900-usbgadget",
166  .id = -1,
167  .num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
168  .resource = nuc900_usbgadget_resource,
169 };
170 
171 /* MAC device */
172 
173 static struct resource nuc900_emc_resource[] = {
174  [0] = {
175  .start = W90X900_PA_EMC,
176  .end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
177  .flags = IORESOURCE_MEM,
178  },
179  [1] = {
180  .start = IRQ_EMCTX,
181  .end = IRQ_EMCTX,
182  .flags = IORESOURCE_IRQ,
183  },
184  [2] = {
185  .start = IRQ_EMCRX,
186  .end = IRQ_EMCRX,
187  .flags = IORESOURCE_IRQ,
188  }
189 };
190 
191 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
192 static struct platform_device nuc900_device_emc = {
193  .name = "nuc900-emc",
194  .id = -1,
195  .num_resources = ARRAY_SIZE(nuc900_emc_resource),
196  .resource = nuc900_emc_resource,
197  .dev = {
198  .dma_mask = &nuc900_device_emc_dmamask,
199  .coherent_dma_mask = 0xffffffffUL
200  }
201 };
202 
203 /* SPI device */
204 
205 static struct nuc900_spi_info nuc900_spiflash_data = {
206  .num_cs = 1,
207  .lsb = 0,
208  .txneg = 1,
209  .rxneg = 0,
210  .divider = 24,
211  .sleep = 0,
212  .txnum = 0,
213  .txbitlen = 8,
214  .bus_num = 0,
215 };
216 
217 static struct resource nuc900_spi_resource[] = {
218  [0] = {
219  .start = W90X900_PA_I2C + SPIOFFSET,
220  .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
221  .flags = IORESOURCE_MEM,
222  },
223  [1] = {
224  .start = IRQ_SSP,
225  .end = IRQ_SSP,
226  .flags = IORESOURCE_IRQ,
227  }
228 };
229 
230 static struct platform_device nuc900_device_spi = {
231  .name = "nuc900-spi",
232  .id = -1,
233  .num_resources = ARRAY_SIZE(nuc900_spi_resource),
234  .resource = nuc900_spi_resource,
235  .dev = {
236  .platform_data = &nuc900_spiflash_data,
237  }
238 };
239 
240 /* spi device, spi flash info */
241 
242 static struct mtd_partition nuc900_spi_flash_partitions[] = {
243  {
244  .name = "bootloader(spi)",
245  .size = 0x0100000,
246  .offset = 0,
247  },
248 };
249 
250 static struct flash_platform_data nuc900_spi_flash_data = {
251  .name = "m25p80",
252  .parts = nuc900_spi_flash_partitions,
253  .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
254  .type = "w25x16",
255 };
256 
257 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
258  {
259  .modalias = "m25p80",
260  .max_speed_hz = 20000000,
261  .bus_num = 0,
262  .chip_select = 0,
263  .platform_data = &nuc900_spi_flash_data,
264  .mode = SPI_MODE_0,
265  },
266 };
267 
268 /* WDT Device */
269 
270 static struct resource nuc900_wdt_resource[] = {
271  [0] = {
272  .start = W90X900_PA_TIMER,
273  .end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
274  .flags = IORESOURCE_MEM,
275  },
276  [1] = {
277  .start = IRQ_WDT,
278  .end = IRQ_WDT,
279  .flags = IORESOURCE_IRQ,
280  }
281 };
282 
283 static struct platform_device nuc900_device_wdt = {
284  .name = "nuc900-wdt",
285  .id = -1,
286  .num_resources = ARRAY_SIZE(nuc900_wdt_resource),
287  .resource = nuc900_wdt_resource,
288 };
289 
290 /*
291  * public device definition between 910 and 920, or 910
292  * and 950 or 950 and 960...,their dev platform register
293  * should be in specific file such as nuc950, nuc960 c
294  * files rather than the public dev.c file here. so the
295  * corresponding platform_device definition should not be
296  * static.
297 */
298 
299 /* RTC controller*/
300 
301 static struct resource nuc900_rtc_resource[] = {
302  [0] = {
303  .start = W90X900_PA_RTC,
304  .end = W90X900_PA_RTC + 0xff,
305  .flags = IORESOURCE_MEM,
306  },
307  [1] = {
308  .start = IRQ_RTC,
309  .end = IRQ_RTC,
310  .flags = IORESOURCE_IRQ,
311  },
312 };
313 
314 struct platform_device nuc900_device_rtc = {
315  .name = "nuc900-rtc",
316  .id = -1,
317  .num_resources = ARRAY_SIZE(nuc900_rtc_resource),
318  .resource = nuc900_rtc_resource,
319 };
320 
321 /*TouchScreen controller*/
322 
323 static struct resource nuc900_ts_resource[] = {
324  [0] = {
325  .start = W90X900_PA_ADC,
326  .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
327  .flags = IORESOURCE_MEM,
328  },
329  [1] = {
330  .start = IRQ_ADC,
331  .end = IRQ_ADC,
332  .flags = IORESOURCE_IRQ,
333  },
334 };
335 
336 struct platform_device nuc900_device_ts = {
337  .name = "nuc900-ts",
338  .id = -1,
339  .resource = nuc900_ts_resource,
340  .num_resources = ARRAY_SIZE(nuc900_ts_resource),
341 };
342 
343 /* FMI Device */
344 
345 static struct resource nuc900_fmi_resource[] = {
346  [0] = {
347  .start = W90X900_PA_FMI,
348  .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
349  .flags = IORESOURCE_MEM,
350  },
351  [1] = {
352  .start = IRQ_FMI,
353  .end = IRQ_FMI,
354  .flags = IORESOURCE_IRQ,
355  }
356 };
357 
358 struct platform_device nuc900_device_fmi = {
359  .name = "nuc900-fmi",
360  .id = -1,
361  .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
362  .resource = nuc900_fmi_resource,
363 };
364 
365 /* KPI controller*/
366 
367 static int nuc900_keymap[] = {
368  KEY(0, 0, KEY_A),
369  KEY(0, 1, KEY_B),
370  KEY(0, 2, KEY_C),
371  KEY(0, 3, KEY_D),
372 
373  KEY(1, 0, KEY_E),
374  KEY(1, 1, KEY_F),
375  KEY(1, 2, KEY_G),
376  KEY(1, 3, KEY_H),
377 
378  KEY(2, 0, KEY_I),
379  KEY(2, 1, KEY_J),
380  KEY(2, 2, KEY_K),
381  KEY(2, 3, KEY_L),
382 
383  KEY(3, 0, KEY_M),
384  KEY(3, 1, KEY_N),
385  KEY(3, 2, KEY_O),
386  KEY(3, 3, KEY_P),
387 };
388 
389 static struct matrix_keymap_data nuc900_map_data = {
390  .keymap = nuc900_keymap,
391  .keymap_size = ARRAY_SIZE(nuc900_keymap),
392 };
393 
394 struct w90p910_keypad_platform_data nuc900_keypad_info = {
395  .keymap_data = &nuc900_map_data,
396  .prescale = 0xfa,
397  .debounce = 0x50,
398 };
399 
400 static struct resource nuc900_kpi_resource[] = {
401  [0] = {
402  .start = W90X900_PA_KPI,
403  .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
404  .flags = IORESOURCE_MEM,
405  },
406  [1] = {
407  .start = IRQ_KPI,
408  .end = IRQ_KPI,
409  .flags = IORESOURCE_IRQ,
410  }
411 
412 };
413 
414 struct platform_device nuc900_device_kpi = {
415  .name = "nuc900-kpi",
416  .id = -1,
417  .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
418  .resource = nuc900_kpi_resource,
419  .dev = {
420  .platform_data = &nuc900_keypad_info,
421  }
422 };
423 
424 /* LCD controller*/
425 
426 static struct nuc900fb_display nuc900_lcd_info[] = {
427  /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
428  [0] = {
429  .type = LCM_DCCS_VA_SRC_RGB565,
430  .width = 320,
431  .height = 240,
432  .xres = 320,
433  .yres = 240,
434  .bpp = 16,
435  .pixclock = 200000,
436  .left_margin = 34,
437  .right_margin = 54,
438  .hsync_len = 10,
439  .upper_margin = 18,
440  .lower_margin = 4,
441  .vsync_len = 1,
442  .dccs = 0x8e00041a,
443  .devctl = 0x060800c0,
444  .fbctrl = 0x00a000a0,
445  .scale = 0x04000400,
446  },
447 };
448 
449 static struct nuc900fb_mach_info nuc900_fb_info = {
450 #if defined(CONFIG_GPM1040A0_320X240)
451  .displays = &nuc900_lcd_info[0],
452 #else
453  .displays = nuc900_lcd_info,
454 #endif
455  .num_displays = ARRAY_SIZE(nuc900_lcd_info),
456  .default_display = 0,
457  .gpio_dir = 0x00000004,
458  .gpio_dir_mask = 0xFFFFFFFD,
459  .gpio_data = 0x00000004,
460  .gpio_data_mask = 0xFFFFFFFD,
461 };
462 
463 static struct resource nuc900_lcd_resource[] = {
464  [0] = {
465  .start = W90X900_PA_LCD,
466  .end = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
467  .flags = IORESOURCE_MEM,
468  },
469  [1] = {
470  .start = IRQ_LCD,
471  .end = IRQ_LCD,
472  .flags = IORESOURCE_IRQ,
473  }
474 };
475 
476 static u64 nuc900_device_lcd_dmamask = -1;
477 struct platform_device nuc900_device_lcd = {
478  .name = "nuc900-lcd",
479  .id = -1,
480  .num_resources = ARRAY_SIZE(nuc900_lcd_resource),
481  .resource = nuc900_lcd_resource,
482  .dev = {
483  .dma_mask = &nuc900_device_lcd_dmamask,
484  .coherent_dma_mask = -1,
485  .platform_data = &nuc900_fb_info,
486  }
487 };
488 
489 /* AUDIO controller*/
490 static u64 nuc900_device_audio_dmamask = -1;
491 static struct resource nuc900_ac97_resource[] = {
492  [0] = {
493  .start = W90X900_PA_ACTL,
494  .end = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
495  .flags = IORESOURCE_MEM,
496  },
497  [1] = {
498  .start = IRQ_ACTL,
499  .end = IRQ_ACTL,
500  .flags = IORESOURCE_IRQ,
501  }
502 
503 };
504 
505 struct platform_device nuc900_device_ac97 = {
506  .name = "nuc900-ac97",
507  .id = -1,
508  .num_resources = ARRAY_SIZE(nuc900_ac97_resource),
509  .resource = nuc900_ac97_resource,
510  .dev = {
511  .dma_mask = &nuc900_device_audio_dmamask,
512  .coherent_dma_mask = -1,
513  }
514 };
515 
516 /*Here should be your evb resourse,such as LCD*/
517 
518 static struct platform_device *nuc900_public_dev[] __initdata = {
519  &nuc900_serial_device,
520  &nuc900_flash_device,
521  &nuc900_device_usb_ehci,
522  &nuc900_device_usb_ohci,
523  &nuc900_device_usbgadget,
524  &nuc900_device_emc,
525  &nuc900_device_spi,
526  &nuc900_device_wdt,
527  &nuc900_device_ac97,
528 };
529 
530 /* Provide adding specific CPU platform devices API */
531 
532 void __init nuc900_board_init(struct platform_device **device, int size)
533 {
534  disable_hlt();
535  platform_add_devices(device, size);
536  platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
537  spi_register_board_info(nuc900_spi_board_info,
538  ARRAY_SIZE(nuc900_spi_board_info));
539 }
540 
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