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
  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
  46 static 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
  64 static 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
  70 static 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
  78 static 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
  90 static 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
 103 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
 104
 105 static 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
 118 static 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
 131 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
 132 static 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
 145 static 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
 158 static 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
 167 static 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
 185 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
 186 static 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
 199 static 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
 212 static 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
 221 static struct mtd_partition nuc900_spi_flash_partitions[] = {
 222         {
 223                 .name = "bootloader(spi)",
 224                 .size = 0x0100000,
 225                 .offset = 0,
 226         },
 227 };
 228
 229 static 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
 236 static 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
 249 static 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
 262 static 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
 280 static 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
 293 struct 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
 302 static 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
 315 struct 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
 324 static 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
 337 struct 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
 346 static 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
 360 struct 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
 369 static 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
 382 void __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