Root/arch/arm/mach-w90x900/dev.c

1/*
2 * linux/arch/arm/mach-w90x900/dev.c
3 *
4 * Copyright (C) 2009 Nuvoton corporation.
5 *
6 * Wan ZongShun <mcuos.com@gmail.com>
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/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33#include <asm/mach-types.h>
34
35#include <mach/regs-serial.h>
36#include <mach/nuc900_spi.h>
37#include <mach/map.h>
38#include <mach/fb.h>
39#include <mach/regs-ldm.h>
40#include <mach/w90p910_keypad.h>
41
42#include "cpu.h"
43
44/*NUC900 evb norflash driver data */
45
46#define NUC900_FLASH_BASE 0xA0000000
47#define NUC900_FLASH_SIZE 0x400000
48#define SPIOFFSET 0x200
49#define SPIOREG_SIZE 0x100
50
51static struct mtd_partition nuc900_flash_partitions[] = {
52    {
53        .name = "NOR Partition 1 for kernel (960K)",
54        .size = 0xF0000,
55        .offset = 0x10000,
56    },
57    {
58        .name = "NOR Partition 2 for image (1M)",
59        .size = 0x100000,
60        .offset = 0x100000,
61    },
62    {
63        .name = "NOR Partition 3 for user (2M)",
64        .size = 0x200000,
65        .offset = 0x00200000,
66    }
67};
68
69static struct physmap_flash_data nuc900_flash_data = {
70    .width = 2,
71    .parts = nuc900_flash_partitions,
72    .nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
73};
74
75static struct resource nuc900_flash_resources[] = {
76    {
77        .start = NUC900_FLASH_BASE,
78        .end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
79        .flags = IORESOURCE_MEM,
80    }
81};
82
83static struct platform_device nuc900_flash_device = {
84    .name = "physmap-flash",
85    .id = 0,
86    .dev = {
87                .platform_data = &nuc900_flash_data,
88            },
89    .resource = nuc900_flash_resources,
90    .num_resources = ARRAY_SIZE(nuc900_flash_resources),
91};
92
93/* USB EHCI Host Controller */
94
95static struct resource nuc900_usb_ehci_resource[] = {
96    [0] = {
97        .start = W90X900_PA_USBEHCIHOST,
98        .end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
99        .flags = IORESOURCE_MEM,
100    },
101    [1] = {
102        .start = IRQ_USBH,
103        .end = IRQ_USBH,
104        .flags = IORESOURCE_IRQ,
105    }
106};
107
108static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
109
110static struct platform_device nuc900_device_usb_ehci = {
111    .name = "nuc900-ehci",
112    .id = -1,
113    .num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
114    .resource = nuc900_usb_ehci_resource,
115    .dev = {
116        .dma_mask = &nuc900_device_usb_ehci_dmamask,
117        .coherent_dma_mask = 0xffffffffUL
118    }
119};
120
121/* USB OHCI Host Controller */
122
123static struct resource nuc900_usb_ohci_resource[] = {
124    [0] = {
125        .start = W90X900_PA_USBOHCIHOST,
126        .end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
127        .flags = IORESOURCE_MEM,
128    },
129    [1] = {
130        .start = IRQ_USBH,
131        .end = IRQ_USBH,
132        .flags = IORESOURCE_IRQ,
133    }
134};
135
136static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
137static struct platform_device nuc900_device_usb_ohci = {
138    .name = "nuc900-ohci",
139    .id = -1,
140    .num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
141    .resource = nuc900_usb_ohci_resource,
142    .dev = {
143        .dma_mask = &nuc900_device_usb_ohci_dmamask,
144        .coherent_dma_mask = 0xffffffffUL
145    }
146};
147
148/* USB Device (Gadget)*/
149
150static struct resource nuc900_usbgadget_resource[] = {
151    [0] = {
152        .start = W90X900_PA_USBDEV,
153        .end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
154        .flags = IORESOURCE_MEM,
155    },
156    [1] = {
157        .start = IRQ_USBD,
158        .end = IRQ_USBD,
159        .flags = IORESOURCE_IRQ,
160    }
161};
162
163static struct platform_device nuc900_device_usbgadget = {
164    .name = "nuc900-usbgadget",
165    .id = -1,
166    .num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
167    .resource = nuc900_usbgadget_resource,
168};
169
170/* MAC device */
171
172static struct resource nuc900_emc_resource[] = {
173    [0] = {
174        .start = W90X900_PA_EMC,
175        .end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
176        .flags = IORESOURCE_MEM,
177    },
178    [1] = {
179        .start = IRQ_EMCTX,
180        .end = IRQ_EMCTX,
181        .flags = IORESOURCE_IRQ,
182    },
183    [2] = {
184        .start = IRQ_EMCRX,
185        .end = IRQ_EMCRX,
186        .flags = IORESOURCE_IRQ,
187    }
188};
189
190static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
191static struct platform_device nuc900_device_emc = {
192    .name = "nuc900-emc",
193    .id = -1,
194    .num_resources = ARRAY_SIZE(nuc900_emc_resource),
195    .resource = nuc900_emc_resource,
196    .dev = {
197        .dma_mask = &nuc900_device_emc_dmamask,
198        .coherent_dma_mask = 0xffffffffUL
199    }
200};
201
202/* SPI device */
203
204static struct nuc900_spi_info nuc900_spiflash_data = {
205    .num_cs = 1,
206    .lsb = 0,
207    .txneg = 1,
208    .rxneg = 0,
209    .divider = 24,
210    .sleep = 0,
211    .txnum = 0,
212    .txbitlen = 8,
213    .bus_num = 0,
214};
215
216static struct resource nuc900_spi_resource[] = {
217    [0] = {
218        .start = W90X900_PA_I2C + SPIOFFSET,
219        .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
220        .flags = IORESOURCE_MEM,
221    },
222    [1] = {
223        .start = IRQ_SSP,
224        .end = IRQ_SSP,
225        .flags = IORESOURCE_IRQ,
226    }
227};
228
229static struct platform_device nuc900_device_spi = {
230    .name = "nuc900-spi",
231    .id = -1,
232    .num_resources = ARRAY_SIZE(nuc900_spi_resource),
233    .resource = nuc900_spi_resource,
234    .dev = {
235                .platform_data = &nuc900_spiflash_data,
236            }
237};
238
239/* spi device, spi flash info */
240
241static struct mtd_partition nuc900_spi_flash_partitions[] = {
242    {
243        .name = "bootloader(spi)",
244        .size = 0x0100000,
245        .offset = 0,
246    },
247};
248
249static struct flash_platform_data nuc900_spi_flash_data = {
250    .name = "m25p80",
251    .parts = nuc900_spi_flash_partitions,
252    .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
253    .type = "w25x16",
254};
255
256static struct spi_board_info nuc900_spi_board_info[] __initdata = {
257    {
258        .modalias = "m25p80",
259        .max_speed_hz = 20000000,
260        .bus_num = 0,
261        .chip_select = 0,
262        .platform_data = &nuc900_spi_flash_data,
263        .mode = SPI_MODE_0,
264    },
265};
266
267/* WDT Device */
268
269static struct resource nuc900_wdt_resource[] = {
270    [0] = {
271        .start = W90X900_PA_TIMER,
272        .end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
273        .flags = IORESOURCE_MEM,
274    },
275    [1] = {
276        .start = IRQ_WDT,
277        .end = IRQ_WDT,
278        .flags = IORESOURCE_IRQ,
279    }
280};
281
282static struct platform_device nuc900_device_wdt = {
283    .name = "nuc900-wdt",
284    .id = -1,
285    .num_resources = ARRAY_SIZE(nuc900_wdt_resource),
286    .resource = nuc900_wdt_resource,
287};
288
289/*
290 * public device definition between 910 and 920, or 910
291 * and 950 or 950 and 960...,their dev platform register
292 * should be in specific file such as nuc950, nuc960 c
293 * files rather than the public dev.c file here. so the
294 * corresponding platform_device definition should not be
295 * static.
296*/
297
298/* RTC controller*/
299
300static struct resource nuc900_rtc_resource[] = {
301    [0] = {
302        .start = W90X900_PA_RTC,
303        .end = W90X900_PA_RTC + 0xff,
304        .flags = IORESOURCE_MEM,
305    },
306    [1] = {
307        .start = IRQ_RTC,
308        .end = IRQ_RTC,
309        .flags = IORESOURCE_IRQ,
310    },
311};
312
313struct platform_device nuc900_device_rtc = {
314    .name = "nuc900-rtc",
315    .id = -1,
316    .num_resources = ARRAY_SIZE(nuc900_rtc_resource),
317    .resource = nuc900_rtc_resource,
318};
319
320/*TouchScreen controller*/
321
322static struct resource nuc900_ts_resource[] = {
323    [0] = {
324        .start = W90X900_PA_ADC,
325        .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
326        .flags = IORESOURCE_MEM,
327    },
328    [1] = {
329        .start = IRQ_ADC,
330        .end = IRQ_ADC,
331        .flags = IORESOURCE_IRQ,
332    },
333};
334
335struct platform_device nuc900_device_ts = {
336    .name = "nuc900-ts",
337    .id = -1,
338    .resource = nuc900_ts_resource,
339    .num_resources = ARRAY_SIZE(nuc900_ts_resource),
340};
341
342/* FMI Device */
343
344static struct resource nuc900_fmi_resource[] = {
345    [0] = {
346        .start = W90X900_PA_FMI,
347        .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
348        .flags = IORESOURCE_MEM,
349    },
350    [1] = {
351        .start = IRQ_FMI,
352        .end = IRQ_FMI,
353        .flags = IORESOURCE_IRQ,
354    }
355};
356
357struct platform_device nuc900_device_fmi = {
358    .name = "nuc900-fmi",
359    .id = -1,
360    .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
361    .resource = nuc900_fmi_resource,
362};
363
364/* KPI controller*/
365
366static int nuc900_keymap[] = {
367    KEY(0, 0, KEY_A),
368    KEY(0, 1, KEY_B),
369    KEY(0, 2, KEY_C),
370    KEY(0, 3, KEY_D),
371
372    KEY(1, 0, KEY_E),
373    KEY(1, 1, KEY_F),
374    KEY(1, 2, KEY_G),
375    KEY(1, 3, KEY_H),
376
377    KEY(2, 0, KEY_I),
378    KEY(2, 1, KEY_J),
379    KEY(2, 2, KEY_K),
380    KEY(2, 3, KEY_L),
381
382    KEY(3, 0, KEY_M),
383    KEY(3, 1, KEY_N),
384    KEY(3, 2, KEY_O),
385    KEY(3, 3, KEY_P),
386};
387
388static struct matrix_keymap_data nuc900_map_data = {
389    .keymap = nuc900_keymap,
390    .keymap_size = ARRAY_SIZE(nuc900_keymap),
391};
392
393struct w90p910_keypad_platform_data nuc900_keypad_info = {
394    .keymap_data = &nuc900_map_data,
395    .prescale = 0xfa,
396    .debounce = 0x50,
397};
398
399static struct resource nuc900_kpi_resource[] = {
400    [0] = {
401        .start = W90X900_PA_KPI,
402        .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
403        .flags = IORESOURCE_MEM,
404    },
405    [1] = {
406        .start = IRQ_KPI,
407        .end = IRQ_KPI,
408        .flags = IORESOURCE_IRQ,
409    }
410
411};
412
413struct platform_device nuc900_device_kpi = {
414    .name = "nuc900-kpi",
415    .id = -1,
416    .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
417    .resource = nuc900_kpi_resource,
418    .dev = {
419                .platform_data = &nuc900_keypad_info,
420            }
421};
422
423/* LCD controller*/
424
425static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
426    /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
427    [0] = {
428        .type = LCM_DCCS_VA_SRC_RGB565,
429        .width = 320,
430        .height = 240,
431        .xres = 320,
432        .yres = 240,
433        .bpp = 16,
434        .pixclock = 200000,
435        .left_margin = 34,
436        .right_margin = 54,
437        .hsync_len = 10,
438        .upper_margin = 18,
439        .lower_margin = 4,
440        .vsync_len = 1,
441        .dccs = 0x8e00041a,
442        .devctl = 0x060800c0,
443        .fbctrl = 0x00a000a0,
444        .scale = 0x04000400,
445    },
446};
447
448static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
449#if defined(CONFIG_GPM1040A0_320X240)
450    .displays = &nuc900_lcd_info[0],
451#else
452    .displays = nuc900_lcd_info,
453#endif
454    .num_displays = ARRAY_SIZE(nuc900_lcd_info),
455    .default_display = 0,
456    .gpio_dir = 0x00000004,
457    .gpio_dir_mask = 0xFFFFFFFD,
458    .gpio_data = 0x00000004,
459    .gpio_data_mask = 0xFFFFFFFD,
460};
461
462static struct resource nuc900_lcd_resource[] = {
463    [0] = {
464        .start = W90X900_PA_LCD,
465        .end = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
466        .flags = IORESOURCE_MEM,
467    },
468    [1] = {
469        .start = IRQ_LCD,
470        .end = IRQ_LCD,
471        .flags = IORESOURCE_IRQ,
472    }
473};
474
475static u64 nuc900_device_lcd_dmamask = -1;
476struct platform_device nuc900_device_lcd = {
477    .name = "nuc900-lcd",
478    .id = -1,
479    .num_resources = ARRAY_SIZE(nuc900_lcd_resource),
480    .resource = nuc900_lcd_resource,
481    .dev = {
482        .dma_mask = &nuc900_device_lcd_dmamask,
483        .coherent_dma_mask = -1,
484        .platform_data = &nuc900_fb_info,
485    }
486};
487
488/* AUDIO controller*/
489static u64 nuc900_device_audio_dmamask = -1;
490static struct resource nuc900_ac97_resource[] = {
491    [0] = {
492        .start = W90X900_PA_ACTL,
493        .end = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
494        .flags = IORESOURCE_MEM,
495    },
496    [1] = {
497        .start = IRQ_ACTL,
498        .end = IRQ_ACTL,
499        .flags = IORESOURCE_IRQ,
500    }
501
502};
503
504struct platform_device nuc900_device_audio = {
505    .name = "nuc900-audio",
506    .id = -1,
507    .num_resources = ARRAY_SIZE(nuc900_ac97_resource),
508    .resource = nuc900_ac97_resource,
509    .dev = {
510        .dma_mask = &nuc900_device_audio_dmamask,
511        .coherent_dma_mask = -1,
512    }
513};
514
515/*Here should be your evb resourse,such as LCD*/
516
517static struct platform_device *nuc900_public_dev[] __initdata = {
518    &nuc900_serial_device,
519    &nuc900_flash_device,
520    &nuc900_device_usb_ehci,
521    &nuc900_device_usb_ohci,
522    &nuc900_device_usbgadget,
523    &nuc900_device_emc,
524    &nuc900_device_spi,
525    &nuc900_device_wdt,
526    &nuc900_device_audio,
527};
528
529/* Provide adding specific CPU platform devices API */
530
531void __init nuc900_board_init(struct platform_device **device, int size)
532{
533    platform_add_devices(device, size);
534    platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
535    spi_register_board_info(nuc900_spi_board_info,
536                    ARRAY_SIZE(nuc900_spi_board_info));
537}
538
539

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