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/nuc900_spi.h>
  36 #include <mach/map.h>
  37 #include <mach/fb.h>
  38
  39 #include "cpu.h"
  40
  41 /*NUC900 evb norflash driver data */
  42
  43 #define NUC900_FLASH_BASE       0xA0000000
  44 #define NUC900_FLASH_SIZE       0x400000
  45 #define SPIOFFSET               0x200
  46 #define SPIOREG_SIZE            0x100
  47
  48 static struct mtd_partition nuc900_flash_partitions[] = {
  49         {
  50                 .name   =       "NOR Partition 1 for kernel (960K)",
  51                 .size   =       0xF0000,
  52                 .offset =       0x10000,
  53         },
  54         {
  55                 .name   =       "NOR Partition 2 for image (1M)",
  56                 .size   =       0x100000,
  57                 .offset =       0x100000,
  58         },
  59         {
  60                 .name   =       "NOR Partition 3 for user (2M)",
  61                 .size   =       0x200000,
  62                 .offset =       0x00200000,
  63         }
  64 };
  65
  66 static struct physmap_flash_data nuc900_flash_data = {
  67         .width          =       2,
  68         .parts          =       nuc900_flash_partitions,
  69         .nr_parts       =       ARRAY_SIZE(nuc900_flash_partitions),
  70 };
  71
  72 static struct resource nuc900_flash_resources[] = {
  73         {
  74                 .start  =       NUC900_FLASH_BASE,
  75                 .end    =       NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
  76                 .flags  =       IORESOURCE_MEM,
  77         }
  78 };
  79
  80 static struct platform_device nuc900_flash_device = {
  81         .name           =       "physmap-flash",
  82         .id             =       0,
  83         .dev            = {
  84                                 .platform_data = &nuc900_flash_data,
  85                         },
  86         .resource       =       nuc900_flash_resources,
  87         .num_resources  =       ARRAY_SIZE(nuc900_flash_resources),
  88 };
  89
  90 /* USB EHCI Host Controller */
  91
  92 static struct resource nuc900_usb_ehci_resource[] = {
  93         [0] = {
  94                 .start = W90X900_PA_USBEHCIHOST,
  95                 .end   = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
  96                 .flags = IORESOURCE_MEM,
  97         },
  98         [1] = {
  99                 .start = IRQ_USBH,
 100                 .end   = IRQ_USBH,
 101                 .flags = IORESOURCE_IRQ,
 102         }
 103 };
 104
 105 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
 106
 107 static struct platform_device nuc900_device_usb_ehci = {
 108         .name             = "nuc900-ehci",
 109         .id               = -1,
 110         .num_resources    = ARRAY_SIZE(nuc900_usb_ehci_resource),
 111         .resource         = nuc900_usb_ehci_resource,
 112         .dev              = {
 113                 .dma_mask = &nuc900_device_usb_ehci_dmamask,
 114                 .coherent_dma_mask = 0xffffffffUL
 115         }
 116 };
 117
 118 /* USB OHCI Host Controller */
 119
 120 static struct resource nuc900_usb_ohci_resource[] = {
 121         [0] = {
 122                 .start = W90X900_PA_USBOHCIHOST,
 123                 .end   = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
 124                 .flags = IORESOURCE_MEM,
 125         },
 126         [1] = {
 127                 .start = IRQ_USBH,
 128                 .end   = IRQ_USBH,
 129                 .flags = IORESOURCE_IRQ,
 130         }
 131 };
 132
 133 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
 134 static struct platform_device nuc900_device_usb_ohci = {
 135         .name             = "nuc900-ohci",
 136         .id               = -1,
 137         .num_resources    = ARRAY_SIZE(nuc900_usb_ohci_resource),
 138         .resource         = nuc900_usb_ohci_resource,
 139         .dev              = {
 140                 .dma_mask = &nuc900_device_usb_ohci_dmamask,
 141                 .coherent_dma_mask = 0xffffffffUL
 142         }
 143 };
 144
 145 /* USB Device (Gadget)*/
 146
 147 static struct resource nuc900_usbgadget_resource[] = {
 148         [0] = {
 149                 .start = W90X900_PA_USBDEV,
 150                 .end   = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
 151                 .flags = IORESOURCE_MEM,
 152         },
 153         [1] = {
 154                 .start = IRQ_USBD,
 155                 .end   = IRQ_USBD,
 156                 .flags = IORESOURCE_IRQ,
 157         }
 158 };
 159
 160 static struct platform_device nuc900_device_usbgadget = {
 161         .name           = "nuc900-usbgadget",
 162         .id             = -1,
 163         .num_resources  = ARRAY_SIZE(nuc900_usbgadget_resource),
 164         .resource       = nuc900_usbgadget_resource,
 165 };
 166
 167 /* MAC device */
 168
 169 static struct resource nuc900_emc_resource[] = {
 170         [0] = {
 171                 .start = W90X900_PA_EMC,
 172                 .end   = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
 173                 .flags = IORESOURCE_MEM,
 174         },
 175         [1] = {
 176                 .start = IRQ_EMCTX,
 177                 .end   = IRQ_EMCTX,
 178                 .flags = IORESOURCE_IRQ,
 179         },
 180         [2] = {
 181                 .start = IRQ_EMCRX,
 182                 .end   = IRQ_EMCRX,
 183                 .flags = IORESOURCE_IRQ,
 184         }
 185 };
 186
 187 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
 188 static struct platform_device nuc900_device_emc = {
 189         .name           = "nuc900-emc",
 190         .id             = -1,
 191         .num_resources  = ARRAY_SIZE(nuc900_emc_resource),
 192         .resource       = nuc900_emc_resource,
 193         .dev              = {
 194                 .dma_mask = &nuc900_device_emc_dmamask,
 195                 .coherent_dma_mask = 0xffffffffUL
 196         }
 197 };
 198
 199 /* SPI device */
 200
 201 static struct nuc900_spi_info nuc900_spiflash_data = {
 202         .num_cs         = 1,
 203         .lsb            = 0,
 204         .txneg          = 1,
 205         .rxneg          = 0,
 206         .divider        = 24,
 207         .sleep          = 0,
 208         .txnum          = 0,
 209         .txbitlen       = 1,
 210         .bus_num        = 0,
 211 };
 212
 213 static struct resource nuc900_spi_resource[] = {
 214         [0] = {
 215                 .start = W90X900_PA_I2C + SPIOFFSET,
 216                 .end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
 217                 .flags = IORESOURCE_MEM,
 218         },
 219         [1] = {
 220                 .start = IRQ_SSP,
 221                 .end   = IRQ_SSP,
 222                 .flags = IORESOURCE_IRQ,
 223         }
 224 };
 225
 226 static struct platform_device nuc900_device_spi = {
 227         .name           = "nuc900-spi",
 228         .id             = -1,
 229         .num_resources  = ARRAY_SIZE(nuc900_spi_resource),
 230         .resource       = nuc900_spi_resource,
 231         .dev            = {
 232                                 .platform_data = &nuc900_spiflash_data,
 233                         }
 234 };
 235
 236 /* spi device, spi flash info */
 237
 238 static struct mtd_partition nuc900_spi_flash_partitions[] = {
 239         {
 240                 .name = "bootloader(spi)",
 241                 .size = 0x0100000,
 242                 .offset = 0,
 243         },
 244 };
 245
 246 static struct flash_platform_data nuc900_spi_flash_data = {
 247         .name = "m25p80",
 248         .parts =  nuc900_spi_flash_partitions,
 249         .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
 250         .type = "w25x16",
 251 };
 252
 253 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
 254         {
 255                 .modalias = "m25p80",
 256                 .max_speed_hz = 20000000,
 257                 .bus_num = 0,
 258                 .chip_select = 1,
 259                 .platform_data = &nuc900_spi_flash_data,
 260                 .mode = SPI_MODE_0,
 261         },
 262 };
 263
 264 /* WDT Device */
 265
 266 static struct resource nuc900_wdt_resource[] = {
 267         [0] = {
 268                 .start = W90X900_PA_TIMER,
 269                 .end   = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
 270                 .flags = IORESOURCE_MEM,
 271         },
 272         [1] = {
 273                 .start = IRQ_WDT,
 274                 .end   = IRQ_WDT,
 275                 .flags = IORESOURCE_IRQ,
 276         }
 277 };
 278
 279 static struct platform_device nuc900_device_wdt = {
 280         .name           = "nuc900-wdt",
 281         .id             = -1,
 282         .num_resources  = ARRAY_SIZE(nuc900_wdt_resource),
 283         .resource       = nuc900_wdt_resource,
 284 };
 285
 286 /*
 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
 292  * static.
 293 */
 294
 295 /* RTC controller*/
 296
 297 static struct resource nuc900_rtc_resource[] = {
 298         [0] = {
 299                 .start = W90X900_PA_RTC,
 300                 .end   = W90X900_PA_RTC + 0xff,
 301                 .flags = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start = IRQ_RTC,
 305                 .end   = IRQ_RTC,
 306                 .flags = IORESOURCE_IRQ,
 307         },
 308 };
 309
 310 struct platform_device nuc900_device_rtc = {
 311         .name           = "nuc900-rtc",
 312         .id             = -1,
 313         .num_resources  = ARRAY_SIZE(nuc900_rtc_resource),
 314         .resource       = nuc900_rtc_resource,
 315 };
 316
 317 /*TouchScreen controller*/
 318
 319 static struct resource nuc900_ts_resource[] = {
 320         [0] = {
 321                 .start = W90X900_PA_ADC,
 322                 .end   = W90X900_PA_ADC + W90X900_SZ_ADC-1,
 323                 .flags = IORESOURCE_MEM,
 324         },
 325         [1] = {
 326                 .start = IRQ_ADC,
 327                 .end   = IRQ_ADC,
 328                 .flags = IORESOURCE_IRQ,
 329         },
 330 };
 331
 332 struct platform_device nuc900_device_ts = {
 333         .name           = "nuc900-ts",
 334         .id             = -1,
 335         .resource       = nuc900_ts_resource,
 336         .num_resources  = ARRAY_SIZE(nuc900_ts_resource),
 337 };
 338
 339 /* FMI Device */
 340
 341 static struct resource nuc900_fmi_resource[] = {
 342         [0] = {
 343                 .start = W90X900_PA_FMI,
 344                 .end   = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
 345                 .flags = IORESOURCE_MEM,
 346         },
 347         [1] = {
 348                 .start = IRQ_FMI,
 349                 .end   = IRQ_FMI,
 350                 .flags = IORESOURCE_IRQ,
 351         }
 352 };
 353
 354 struct platform_device nuc900_device_fmi = {
 355         .name           = "nuc900-fmi",
 356         .id             = -1,
 357         .num_resources  = ARRAY_SIZE(nuc900_fmi_resource),
 358         .resource       = nuc900_fmi_resource,
 359 };
 360
 361 /* KPI controller*/
 362
 363 static struct resource nuc900_kpi_resource[] = {
 364         [0] = {
 365                 .start = W90X900_PA_KPI,
 366                 .end   = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
 367                 .flags = IORESOURCE_MEM,
 368         },
 369         [1] = {
 370                 .start = IRQ_KPI,
 371                 .end   = IRQ_KPI,
 372                 .flags = IORESOURCE_IRQ,
 373         }
 374
 375 };
 376
 377 struct platform_device nuc900_device_kpi = {
 378         .name           = "nuc900-kpi",
 379         .id             = -1,
 380         .num_resources  = ARRAY_SIZE(nuc900_kpi_resource),
 381         .resource       = nuc900_kpi_resource,
 382 };
 383
 384 #ifdef CONFIG_FB_NUC900
 385
 386 static struct resource nuc900_lcd_resource[] = {
 387         [0] = {
 388                 .start = W90X900_PA_LCD,
 389                 .end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
 390                 .flags = IORESOURCE_MEM,
 391         },
 392         [1] = {
 393                 .start = IRQ_LCD,
 394                 .end   = IRQ_LCD,
 395                 .flags = IORESOURCE_IRQ,
 396         }
 397 };
 398
 399 static u64 nuc900_device_lcd_dmamask = -1;
 400 struct platform_device nuc900_device_lcd = {
 401         .name             = "nuc900-lcd",
 402         .id               = -1,
 403         .num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
 404         .resource         = nuc900_lcd_resource,
 405         .dev              = {
 406                 .dma_mask               = &nuc900_device_lcd_dmamask,
 407                 .coherent_dma_mask      = -1,
 408         }
 409 };
 410
 411 void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
 412 {
 413         struct nuc900fb_mach_info *npd;
 414
 415         npd = kmalloc(sizeof(*npd), GFP_KERNEL);
 416         if (npd) {
 417                 memcpy(npd, pd, sizeof(*npd));
 418                 nuc900_device_lcd.dev.platform_data = npd;
 419         } else {
 420                 printk(KERN_ERR "no memory for LCD platform data\n");
 421         }
 422 }
 423 #endif
 424
 425 /*Here should be your evb resourse,such as LCD*/
 426
 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,
 433         &nuc900_device_emc,
 434         &nuc900_device_spi,
 435         &nuc900_device_wdt,
 436 };
 437
 438 /* Provide adding specific CPU platform devices API */
 439
 440 void __init nuc900_board_init(struct platform_device **device, int size)
 441 {
 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));
 446 }
 447