2 * linux/arch/arm/mach-w90x900/dev.c
4 * Copyright (C) 2009 Nuvoton corporation.
6 * Wan ZongShun <mcuos.com@gmail.com>
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.
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>
22 #include <linux/mtd/physmap.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
26 #include <linux/spi/spi.h>
27 #include <linux/spi/flash.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
32 #include <asm/mach-types.h>
34 #include <mach/regs-serial.h>
35 #include <mach/nuc900_spi.h>
41 /*NUC900 evb norflash driver data */
43 #define NUC900_FLASH_BASE 0xA0000000
44 #define NUC900_FLASH_SIZE 0x400000
45 #define SPIOFFSET 0x200
46 #define SPIOREG_SIZE 0x100
48 static struct mtd_partition nuc900_flash_partitions[] = {
50 .name = "NOR Partition 1 for kernel (960K)",
55 .name = "NOR Partition 2 for image (1M)",
60 .name = "NOR Partition 3 for user (2M)",
66 static struct physmap_flash_data nuc900_flash_data = {
68 .parts = nuc900_flash_partitions,
69 .nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
72 static struct resource nuc900_flash_resources[] = {
74 .start = NUC900_FLASH_BASE,
75 .end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
76 .flags = IORESOURCE_MEM,
80 static struct platform_device nuc900_flash_device = {
81 .name = "physmap-flash",
84 .platform_data = &nuc900_flash_data,
86 .resource = nuc900_flash_resources,
87 .num_resources = ARRAY_SIZE(nuc900_flash_resources),
90 /* USB EHCI Host Controller */
92 static struct resource nuc900_usb_ehci_resource[] = {
94 .start = W90X900_PA_USBEHCIHOST,
95 .end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
96 .flags = IORESOURCE_MEM,
101 .flags = IORESOURCE_IRQ,
105 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
107 static struct platform_device nuc900_device_usb_ehci = {
108 .name = "nuc900-ehci",
110 .num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
111 .resource = nuc900_usb_ehci_resource,
113 .dma_mask = &nuc900_device_usb_ehci_dmamask,
114 .coherent_dma_mask = 0xffffffffUL
118 /* USB OHCI Host Controller */
120 static struct resource nuc900_usb_ohci_resource[] = {
122 .start = W90X900_PA_USBOHCIHOST,
123 .end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
124 .flags = IORESOURCE_MEM,
129 .flags = IORESOURCE_IRQ,
133 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
134 static struct platform_device nuc900_device_usb_ohci = {
135 .name = "nuc900-ohci",
137 .num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
138 .resource = nuc900_usb_ohci_resource,
140 .dma_mask = &nuc900_device_usb_ohci_dmamask,
141 .coherent_dma_mask = 0xffffffffUL
145 /* USB Device (Gadget)*/
147 static struct resource nuc900_usbgadget_resource[] = {
149 .start = W90X900_PA_USBDEV,
150 .end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
151 .flags = IORESOURCE_MEM,
156 .flags = IORESOURCE_IRQ,
160 static struct platform_device nuc900_device_usbgadget = {
161 .name = "nuc900-usbgadget",
163 .num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
164 .resource = nuc900_usbgadget_resource,
169 static struct resource nuc900_emc_resource[] = {
171 .start = W90X900_PA_EMC,
172 .end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
173 .flags = IORESOURCE_MEM,
178 .flags = IORESOURCE_IRQ,
183 .flags = IORESOURCE_IRQ,
187 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
188 static struct platform_device nuc900_device_emc = {
189 .name = "nuc900-emc",
191 .num_resources = ARRAY_SIZE(nuc900_emc_resource),
192 .resource = nuc900_emc_resource,
194 .dma_mask = &nuc900_device_emc_dmamask,
195 .coherent_dma_mask = 0xffffffffUL
201 static struct nuc900_spi_info nuc900_spiflash_data = {
213 static struct resource nuc900_spi_resource[] = {
215 .start = W90X900_PA_I2C + SPIOFFSET,
216 .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
217 .flags = IORESOURCE_MEM,
222 .flags = IORESOURCE_IRQ,
226 static struct platform_device nuc900_device_spi = {
227 .name = "nuc900-spi",
229 .num_resources = ARRAY_SIZE(nuc900_spi_resource),
230 .resource = nuc900_spi_resource,
232 .platform_data = &nuc900_spiflash_data,
236 /* spi device, spi flash info */
238 static struct mtd_partition nuc900_spi_flash_partitions[] = {
240 .name = "bootloader(spi)",
246 static struct flash_platform_data nuc900_spi_flash_data = {
248 .parts = nuc900_spi_flash_partitions,
249 .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
253 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
255 .modalias = "m25p80",
256 .max_speed_hz = 20000000,
259 .platform_data = &nuc900_spi_flash_data,
266 static struct resource nuc900_wdt_resource[] = {
268 .start = W90X900_PA_TIMER,
269 .end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
270 .flags = IORESOURCE_MEM,
275 .flags = IORESOURCE_IRQ,
279 static struct platform_device nuc900_device_wdt = {
280 .name = "nuc900-wdt",
282 .num_resources = ARRAY_SIZE(nuc900_wdt_resource),
283 .resource = nuc900_wdt_resource,
287 * public device definition between 910 and 920, or 910
288 * and 950 or 950 and 960...,their dev platform register
289 * should be in specific file such as nuc950, nuc960 c
290 * files rather than the public dev.c file here. so the
291 * corresponding platform_device definition should not be
297 static struct resource nuc900_rtc_resource[] = {
299 .start = W90X900_PA_RTC,
300 .end = W90X900_PA_RTC + 0xff,
301 .flags = IORESOURCE_MEM,
306 .flags = IORESOURCE_IRQ,
310 struct platform_device nuc900_device_rtc = {
311 .name = "nuc900-rtc",
313 .num_resources = ARRAY_SIZE(nuc900_rtc_resource),
314 .resource = nuc900_rtc_resource,
317 /*TouchScreen controller*/
319 static struct resource nuc900_ts_resource[] = {
321 .start = W90X900_PA_ADC,
322 .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
323 .flags = IORESOURCE_MEM,
328 .flags = IORESOURCE_IRQ,
332 struct platform_device nuc900_device_ts = {
335 .resource = nuc900_ts_resource,
336 .num_resources = ARRAY_SIZE(nuc900_ts_resource),
341 static struct resource nuc900_fmi_resource[] = {
343 .start = W90X900_PA_FMI,
344 .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
345 .flags = IORESOURCE_MEM,
350 .flags = IORESOURCE_IRQ,
354 struct platform_device nuc900_device_fmi = {
355 .name = "nuc900-fmi",
357 .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
358 .resource = nuc900_fmi_resource,
363 static struct resource nuc900_kpi_resource[] = {
365 .start = W90X900_PA_KPI,
366 .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
367 .flags = IORESOURCE_MEM,
372 .flags = IORESOURCE_IRQ,
377 struct platform_device nuc900_device_kpi = {
378 .name = "nuc900-kpi",
380 .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
381 .resource = nuc900_kpi_resource,
384 #ifdef CONFIG_FB_NUC900
386 static struct resource nuc900_lcd_resource[] = {
388 .start = W90X900_PA_LCD,
389 .end = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
390 .flags = IORESOURCE_MEM,
395 .flags = IORESOURCE_IRQ,
399 static u64 nuc900_device_lcd_dmamask = -1;
400 struct platform_device nuc900_device_lcd = {
401 .name = "nuc900-lcd",
403 .num_resources = ARRAY_SIZE(nuc900_lcd_resource),
404 .resource = nuc900_lcd_resource,
406 .dma_mask = &nuc900_device_lcd_dmamask,
407 .coherent_dma_mask = -1,
411 void nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
413 struct nuc900fb_mach_info *npd;
415 npd = kmalloc(sizeof(*npd), GFP_KERNEL);
417 memcpy(npd, pd, sizeof(*npd));
418 nuc900_device_lcd.dev.platform_data = npd;
420 printk(KERN_ERR "no memory for LCD platform data\n");
425 /*Here should be your evb resourse,such as LCD*/
427 static struct platform_device *nuc900_public_dev[] __initdata = {
428 &nuc900_serial_device,
429 &nuc900_flash_device,
430 &nuc900_device_usb_ehci,
431 &nuc900_device_usb_ohci,
432 &nuc900_device_usbgadget,
438 /* Provide adding specific CPU platform devices API */
440 void __init nuc900_board_init(struct platform_device **device, int size)
442 platform_add_devices(device, size);
443 platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
444 spi_register_board_info(nuc900_spi_board_info,
445 ARRAY_SIZE(nuc900_spi_board_info));