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-rw-r--r--arch/arm/mach-w90x900/dev.c389
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diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/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 <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
22#include <linux/mtd/physmap.h>
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h>
25
26#include <linux/spi/spi.h>
27#include <linux/spi/flash.h>
28
29#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31#include <asm/mach/irq.h>
32#include <asm/mach-types.h>
33
34#include <mach/regs-serial.h>
35#include <mach/map.h>
36
37#include "cpu.h"
38
39/*NUC900 evb norflash driver data */
40
41#define NUC900_FLASH_BASE 0xA0000000
42#define NUC900_FLASH_SIZE 0x400000
43#define SPIOFFSET 0x200
44#define SPIOREG_SIZE 0x100
45
46static struct mtd_partition nuc900_flash_partitions[] = {
47 {
48 .name = "NOR Partition 1 for kernel (960K)",
49 .size = 0xF0000,
50 .offset = 0x10000,
51 },
52 {
53 .name = "NOR Partition 2 for image (1M)",
54 .size = 0x100000,
55 .offset = 0x100000,
56 },
57 {
58 .name = "NOR Partition 3 for user (2M)",
59 .size = 0x200000,
60 .offset = 0x00200000,
61 }
62};
63
64static struct physmap_flash_data nuc900_flash_data = {
65 .width = 2,
66 .parts = nuc900_flash_partitions,
67 .nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
68};
69
70static struct resource nuc900_flash_resources[] = {
71 {
72 .start = NUC900_FLASH_BASE,
73 .end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
74 .flags = IORESOURCE_MEM,
75 }
76};
77
78static struct platform_device nuc900_flash_device = {
79 .name = "physmap-flash",
80 .id = 0,
81 .dev = {
82 .platform_data = &nuc900_flash_data,
83 },
84 .resource = nuc900_flash_resources,
85 .num_resources = ARRAY_SIZE(nuc900_flash_resources),
86};
87
88/* USB EHCI Host Controller */
89
90static struct resource nuc900_usb_ehci_resource[] = {
91 [0] = {
92 .start = W90X900_PA_USBEHCIHOST,
93 .end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
94 .flags = IORESOURCE_MEM,
95 },
96 [1] = {
97 .start = IRQ_USBH,
98 .end = IRQ_USBH,
99 .flags = IORESOURCE_IRQ,
100 }
101};
102
103static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
104
105static struct platform_device nuc900_device_usb_ehci = {
106 .name = "nuc900-ehci",
107 .id = -1,
108 .num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
109 .resource = nuc900_usb_ehci_resource,
110 .dev = {
111 .dma_mask = &nuc900_device_usb_ehci_dmamask,
112 .coherent_dma_mask = 0xffffffffUL
113 }
114};
115
116/* USB OHCI Host Controller */
117
118static struct resource nuc900_usb_ohci_resource[] = {
119 [0] = {
120 .start = W90X900_PA_USBOHCIHOST,
121 .end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
122 .flags = IORESOURCE_MEM,
123 },
124 [1] = {
125 .start = IRQ_USBH,
126 .end = IRQ_USBH,
127 .flags = IORESOURCE_IRQ,
128 }
129};
130
131static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
132static struct platform_device nuc900_device_usb_ohci = {
133 .name = "nuc900-ohci",
134 .id = -1,
135 .num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
136 .resource = nuc900_usb_ohci_resource,
137 .dev = {
138 .dma_mask = &nuc900_device_usb_ohci_dmamask,
139 .coherent_dma_mask = 0xffffffffUL
140 }
141};
142
143/* USB Device (Gadget)*/
144
145static struct resource nuc900_usbgadget_resource[] = {
146 [0] = {
147 .start = W90X900_PA_USBDEV,
148 .end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
149 .flags = IORESOURCE_MEM,
150 },
151 [1] = {
152 .start = IRQ_USBD,
153 .end = IRQ_USBD,
154 .flags = IORESOURCE_IRQ,
155 }
156};
157
158static struct platform_device nuc900_device_usbgadget = {
159 .name = "nuc900-usbgadget",
160 .id = -1,
161 .num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
162 .resource = nuc900_usbgadget_resource,
163};
164
165/* MAC device */
166
167static struct resource nuc900_emc_resource[] = {
168 [0] = {
169 .start = W90X900_PA_EMC,
170 .end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
171 .flags = IORESOURCE_MEM,
172 },
173 [1] = {
174 .start = IRQ_EMCTX,
175 .end = IRQ_EMCTX,
176 .flags = IORESOURCE_IRQ,
177 },
178 [2] = {
179 .start = IRQ_EMCRX,
180 .end = IRQ_EMCRX,
181 .flags = IORESOURCE_IRQ,
182 }
183};
184
185static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
186static struct platform_device nuc900_device_emc = {
187 .name = "nuc900-emc",
188 .id = -1,
189 .num_resources = ARRAY_SIZE(nuc900_emc_resource),
190 .resource = nuc900_emc_resource,
191 .dev = {
192 .dma_mask = &nuc900_device_emc_dmamask,
193 .coherent_dma_mask = 0xffffffffUL
194 }
195};
196
197/* SPI device */
198
199static struct resource nuc900_spi_resource[] = {
200 [0] = {
201 .start = W90X900_PA_I2C + SPIOFFSET,
202 .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
203 .flags = IORESOURCE_MEM,
204 },
205 [1] = {
206 .start = IRQ_SSP,
207 .end = IRQ_SSP,
208 .flags = IORESOURCE_IRQ,
209 }
210};
211
212static struct platform_device nuc900_device_spi = {
213 .name = "nuc900-spi",
214 .id = -1,
215 .num_resources = ARRAY_SIZE(nuc900_spi_resource),
216 .resource = nuc900_spi_resource,
217};
218
219/* spi device, spi flash info */
220
221static struct mtd_partition nuc900_spi_flash_partitions[] = {
222 {
223 .name = "bootloader(spi)",
224 .size = 0x0100000,
225 .offset = 0,
226 },
227};
228
229static struct flash_platform_data nuc900_spi_flash_data = {
230 .name = "m25p80",
231 .parts = nuc900_spi_flash_partitions,
232 .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
233 .type = "w25x16",
234};
235
236static struct spi_board_info nuc900_spi_board_info[] __initdata = {
237 {
238 .modalias = "m25p80",
239 .max_speed_hz = 20000000,
240 .bus_num = 0,
241 .chip_select = 1,
242 .platform_data = &nuc900_spi_flash_data,
243 .mode = SPI_MODE_0,
244 },
245};
246
247/* WDT Device */
248
249static struct resource nuc900_wdt_resource[] = {
250 [0] = {
251 .start = W90X900_PA_TIMER,
252 .end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
253 .flags = IORESOURCE_MEM,
254 },
255 [1] = {
256 .start = IRQ_WDT,
257 .end = IRQ_WDT,
258 .flags = IORESOURCE_IRQ,
259 }
260};
261
262static struct platform_device nuc900_device_wdt = {
263 .name = "nuc900-wdt",
264 .id = -1,
265 .num_resources = ARRAY_SIZE(nuc900_wdt_resource),
266 .resource = nuc900_wdt_resource,
267};
268
269/*
270 * public device definition between 910 and 920, or 910
271 * and 950 or 950 and 960...,their dev platform register
272 * should be in specific file such as nuc950, nuc960 c
273 * files rather than the public dev.c file here. so the
274 * corresponding platform_device definition should not be
275 * static.
276*/
277
278/* RTC controller*/
279
280static struct resource nuc900_rtc_resource[] = {
281 [0] = {
282 .start = W90X900_PA_RTC,
283 .end = W90X900_PA_RTC + 0xff,
284 .flags = IORESOURCE_MEM,
285 },
286 [1] = {
287 .start = IRQ_RTC,
288 .end = IRQ_RTC,
289 .flags = IORESOURCE_IRQ,
290 },
291};
292
293struct platform_device nuc900_device_rtc = {
294 .name = "nuc900-rtc",
295 .id = -1,
296 .num_resources = ARRAY_SIZE(nuc900_rtc_resource),
297 .resource = nuc900_rtc_resource,
298};
299
300/*TouchScreen controller*/
301
302static struct resource nuc900_ts_resource[] = {
303 [0] = {
304 .start = W90X900_PA_ADC,
305 .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
306 .flags = IORESOURCE_MEM,
307 },
308 [1] = {
309 .start = IRQ_ADC,
310 .end = IRQ_ADC,
311 .flags = IORESOURCE_IRQ,
312 },
313};
314
315struct platform_device nuc900_device_ts = {
316 .name = "nuc900-ts",
317 .id = -1,
318 .resource = nuc900_ts_resource,
319 .num_resources = ARRAY_SIZE(nuc900_ts_resource),
320};
321
322/* FMI Device */
323
324static struct resource nuc900_fmi_resource[] = {
325 [0] = {
326 .start = W90X900_PA_FMI,
327 .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
328 .flags = IORESOURCE_MEM,
329 },
330 [1] = {
331 .start = IRQ_FMI,
332 .end = IRQ_FMI,
333 .flags = IORESOURCE_IRQ,
334 }
335};
336
337struct platform_device nuc900_device_fmi = {
338 .name = "nuc900-fmi",
339 .id = -1,
340 .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
341 .resource = nuc900_fmi_resource,
342};
343
344/* KPI controller*/
345
346static struct resource nuc900_kpi_resource[] = {
347 [0] = {
348 .start = W90X900_PA_KPI,
349 .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
350 .flags = IORESOURCE_MEM,
351 },
352 [1] = {
353 .start = IRQ_KPI,
354 .end = IRQ_KPI,
355 .flags = IORESOURCE_IRQ,
356 }
357
358};
359
360struct platform_device nuc900_device_kpi = {
361 .name = "nuc900-kpi",
362 .id = -1,
363 .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
364 .resource = nuc900_kpi_resource,
365};
366
367/*Here should be your evb resourse,such as LCD*/
368
369static struct platform_device *nuc900_public_dev[] __initdata = {
370 &nuc900_serial_device,
371 &nuc900_flash_device,
372 &nuc900_device_usb_ehci,
373 &nuc900_device_usb_ohci,
374 &nuc900_device_usbgadget,
375 &nuc900_device_emc,
376 &nuc900_device_spi,
377 &nuc900_device_wdt,
378};
379
380/* Provide adding specific CPU platform devices API */
381
382void __init nuc900_board_init(struct platform_device **device, int size)
383{
384 platform_add_devices(device, size);
385 platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
386 spi_register_board_info(nuc900_spi_board_info,
387 ARRAY_SIZE(nuc900_spi_board_info));
388}
389
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