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
  40 #include "cpu.h"
  41
  42 /*NUC900 evb norflash driver data */
  43
  44 #define NUC900_FLASH_BASE       0xA0000000
  45 #define NUC900_FLASH_SIZE       0x400000
  46 #define SPIOFFSET               0x200
  47 #define SPIOREG_SIZE            0x100
  48
  49 static struct mtd_partition nuc900_flash_partitions[] = {
  50         {
  51                 .name   =       "NOR Partition 1 for kernel (960K)",
  52                 .size   =       0xF0000,
  53                 .offset =       0x10000,
  54         },
  55         {
  56                 .name   =       "NOR Partition 2 for image (1M)",
  57                 .size   =       0x100000,
  58                 .offset =       0x100000,
  59         },
  60         {
  61                 .name   =       "NOR Partition 3 for user (2M)",
  62                 .size   =       0x200000,
  63                 .offset =       0x00200000,
  64         }
  65 };
  66
  67 static struct physmap_flash_data nuc900_flash_data = {
  68         .width          =       2,
  69         .parts          =       nuc900_flash_partitions,
  70         .nr_parts       =       ARRAY_SIZE(nuc900_flash_partitions),
  71 };
  72
  73 static struct resource nuc900_flash_resources[] = {
  74         {
  75                 .start  =       NUC900_FLASH_BASE,
  76                 .end    =       NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
  77                 .flags  =       IORESOURCE_MEM,
  78         }
  79 };
  80
  81 static struct platform_device nuc900_flash_device = {
  82         .name           =       "physmap-flash",
  83         .id             =       0,
  84         .dev            = {
  85                                 .platform_data = &nuc900_flash_data,
  86                         },
  87         .resource       =       nuc900_flash_resources,
  88         .num_resources  =       ARRAY_SIZE(nuc900_flash_resources),
  89 };
  90
  91 /* USB EHCI Host Controller */
  92
  93 static struct resource nuc900_usb_ehci_resource[] = {
  94         [0] = {
  95                 .start = W90X900_PA_USBEHCIHOST,
  96                 .end   = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
  97                 .flags = IORESOURCE_MEM,
  98         },
  99         [1] = {
 100                 .start = IRQ_USBH,
 101                 .end   = IRQ_USBH,
 102                 .flags = IORESOURCE_IRQ,
 103         }
 104 };
 105
 106 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
 107
 108 static struct platform_device nuc900_device_usb_ehci = {
 109         .name             = "nuc900-ehci",
 110         .id               = -1,
 111         .num_resources    = ARRAY_SIZE(nuc900_usb_ehci_resource),
 112         .resource         = nuc900_usb_ehci_resource,
 113         .dev              = {
 114                 .dma_mask = &nuc900_device_usb_ehci_dmamask,
 115                 .coherent_dma_mask = 0xffffffffUL
 116         }
 117 };
 118
 119 /* USB OHCI Host Controller */
 120
 121 static struct resource nuc900_usb_ohci_resource[] = {
 122         [0] = {
 123                 .start = W90X900_PA_USBOHCIHOST,
 124                 .end   = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
 125                 .flags = IORESOURCE_MEM,
 126         },
 127         [1] = {
 128                 .start = IRQ_USBH,
 129                 .end   = IRQ_USBH,
 130                 .flags = IORESOURCE_IRQ,
 131         }
 132 };
 133
 134 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
 135 static struct platform_device nuc900_device_usb_ohci = {
 136         .name             = "nuc900-ohci",
 137         .id               = -1,
 138         .num_resources    = ARRAY_SIZE(nuc900_usb_ohci_resource),
 139         .resource         = nuc900_usb_ohci_resource,
 140         .dev              = {
 141                 .dma_mask = &nuc900_device_usb_ohci_dmamask,
 142                 .coherent_dma_mask = 0xffffffffUL
 143         }
 144 };
 145
 146 /* USB Device (Gadget)*/
 147
 148 static struct resource nuc900_usbgadget_resource[] = {
 149         [0] = {
 150                 .start = W90X900_PA_USBDEV,
 151                 .end   = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
 152                 .flags = IORESOURCE_MEM,
 153         },
 154         [1] = {
 155                 .start = IRQ_USBD,
 156                 .end   = IRQ_USBD,
 157                 .flags = IORESOURCE_IRQ,
 158         }
 159 };
 160
 161 static struct platform_device nuc900_device_usbgadget = {
 162         .name           = "nuc900-usbgadget",
 163         .id             = -1,
 164         .num_resources  = ARRAY_SIZE(nuc900_usbgadget_resource),
 165         .resource       = nuc900_usbgadget_resource,
 166 };
 167
 168 /* MAC device */
 169
 170 static struct resource nuc900_emc_resource[] = {
 171         [0] = {
 172                 .start = W90X900_PA_EMC,
 173                 .end   = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
 174                 .flags = IORESOURCE_MEM,
 175         },
 176         [1] = {
 177                 .start = IRQ_EMCTX,
 178                 .end   = IRQ_EMCTX,
 179                 .flags = IORESOURCE_IRQ,
 180         },
 181         [2] = {
 182                 .start = IRQ_EMCRX,
 183                 .end   = IRQ_EMCRX,
 184                 .flags = IORESOURCE_IRQ,
 185         }
 186 };
 187
 188 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
 189 static struct platform_device nuc900_device_emc = {
 190         .name           = "nuc900-emc",
 191         .id             = -1,
 192         .num_resources  = ARRAY_SIZE(nuc900_emc_resource),
 193         .resource       = nuc900_emc_resource,
 194         .dev              = {
 195                 .dma_mask = &nuc900_device_emc_dmamask,
 196                 .coherent_dma_mask = 0xffffffffUL
 197         }
 198 };
 199
 200 /* SPI device */
 201
 202 static struct nuc900_spi_info nuc900_spiflash_data = {
 203         .num_cs         = 1,
 204         .lsb            = 0,
 205         .txneg          = 1,
 206         .rxneg          = 0,
 207         .divider        = 24,
 208         .sleep          = 0,
 209         .txnum          = 0,
 210         .txbitlen       = 1,
 211         .bus_num        = 0,
 212 };
 213
 214 static struct resource nuc900_spi_resource[] = {
 215         [0] = {
 216                 .start = W90X900_PA_I2C + SPIOFFSET,
 217                 .end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
 218                 .flags = IORESOURCE_MEM,
 219         },
 220         [1] = {
 221                 .start = IRQ_SSP,
 222                 .end   = IRQ_SSP,
 223                 .flags = IORESOURCE_IRQ,
 224         }
 225 };
 226
 227 static struct platform_device nuc900_device_spi = {
 228         .name           = "nuc900-spi",
 229         .id             = -1,
 230         .num_resources  = ARRAY_SIZE(nuc900_spi_resource),
 231         .resource       = nuc900_spi_resource,
 232         .dev            = {
 233                                 .platform_data = &nuc900_spiflash_data,
 234                         }
 235 };
 236
 237 /* spi device, spi flash info */
 238
 239 static struct mtd_partition nuc900_spi_flash_partitions[] = {
 240         {
 241                 .name = "bootloader(spi)",
 242                 .size = 0x0100000,
 243                 .offset = 0,
 244         },
 245 };
 246
 247 static struct flash_platform_data nuc900_spi_flash_data = {
 248         .name = "m25p80",
 249         .parts =  nuc900_spi_flash_partitions,
 250         .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
 251         .type = "w25x16",
 252 };
 253
 254 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
 255         {
 256                 .modalias = "m25p80",
 257                 .max_speed_hz = 20000000,
 258                 .bus_num = 0,
 259                 .chip_select = 1,
 260                 .platform_data = &nuc900_spi_flash_data,
 261                 .mode = SPI_MODE_0,
 262         },
 263 };
 264
 265 /* WDT Device */
 266
 267 static struct resource nuc900_wdt_resource[] = {
 268         [0] = {
 269                 .start = W90X900_PA_TIMER,
 270                 .end   = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
 271                 .flags = IORESOURCE_MEM,
 272         },
 273         [1] = {
 274                 .start = IRQ_WDT,
 275                 .end   = IRQ_WDT,
 276                 .flags = IORESOURCE_IRQ,
 277         }
 278 };
 279
 280 static struct platform_device nuc900_device_wdt = {
 281         .name           = "nuc900-wdt",
 282         .id             = -1,
 283         .num_resources  = ARRAY_SIZE(nuc900_wdt_resource),
 284         .resource       = nuc900_wdt_resource,
 285 };
 286
 287 /*
 288  * public device definition between 910 and 920, or 910
 289  * and 950 or 950 and 960...,their dev platform register
 290  * should be in specific file such as nuc950, nuc960 c
 291  * files rather than the public dev.c file here. so the
 292  * corresponding platform_device definition should not be
 293  * static.
 294 */
 295
 296 /* RTC controller*/
 297
 298 static struct resource nuc900_rtc_resource[] = {
 299         [0] = {
 300                 .start = W90X900_PA_RTC,
 301                 .end   = W90X900_PA_RTC + 0xff,
 302                 .flags = IORESOURCE_MEM,
 303         },
 304         [1] = {
 305                 .start = IRQ_RTC,
 306                 .end   = IRQ_RTC,
 307                 .flags = IORESOURCE_IRQ,
 308         },
 309 };
 310
 311 struct platform_device nuc900_device_rtc = {
 312         .name           = "nuc900-rtc",
 313         .id             = -1,
 314         .num_resources  = ARRAY_SIZE(nuc900_rtc_resource),
 315         .resource       = nuc900_rtc_resource,
 316 };
 317
 318 /*TouchScreen controller*/
 319
 320 static struct resource nuc900_ts_resource[] = {
 321         [0] = {
 322                 .start = W90X900_PA_ADC,
 323                 .end   = W90X900_PA_ADC + W90X900_SZ_ADC-1,
 324                 .flags = IORESOURCE_MEM,
 325         },
 326         [1] = {
 327                 .start = IRQ_ADC,
 328                 .end   = IRQ_ADC,
 329                 .flags = IORESOURCE_IRQ,
 330         },
 331 };
 332
 333 struct platform_device nuc900_device_ts = {
 334         .name           = "nuc900-ts",
 335         .id             = -1,
 336         .resource       = nuc900_ts_resource,
 337         .num_resources  = ARRAY_SIZE(nuc900_ts_resource),
 338 };
 339
 340 /* FMI Device */
 341
 342 static struct resource nuc900_fmi_resource[] = {
 343         [0] = {
 344                 .start = W90X900_PA_FMI,
 345                 .end   = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
 346                 .flags = IORESOURCE_MEM,
 347         },
 348         [1] = {
 349                 .start = IRQ_FMI,
 350                 .end   = IRQ_FMI,
 351                 .flags = IORESOURCE_IRQ,
 352         }
 353 };
 354
 355 struct platform_device nuc900_device_fmi = {
 356         .name           = "nuc900-fmi",
 357         .id             = -1,
 358         .num_resources  = ARRAY_SIZE(nuc900_fmi_resource),
 359         .resource       = nuc900_fmi_resource,
 360 };
 361
 362 /* KPI controller*/
 363
 364 static struct resource nuc900_kpi_resource[] = {
 365         [0] = {
 366                 .start = W90X900_PA_KPI,
 367                 .end   = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
 368                 .flags = IORESOURCE_MEM,
 369         },
 370         [1] = {
 371                 .start = IRQ_KPI,
 372                 .end   = IRQ_KPI,
 373                 .flags = IORESOURCE_IRQ,
 374         }
 375
 376 };
 377
 378 struct platform_device nuc900_device_kpi = {
 379         .name           = "nuc900-kpi",
 380         .id             = -1,
 381         .num_resources  = ARRAY_SIZE(nuc900_kpi_resource),
 382         .resource       = nuc900_kpi_resource,
 383 };
 384
 385 #ifdef CONFIG_FB_NUC900
 386
 387 static struct resource nuc900_lcd_resource[] = {
 388         [0] = {
 389                 .start = W90X900_PA_LCD,
 390                 .end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
 391                 .flags = IORESOURCE_MEM,
 392         },
 393         [1] = {
 394                 .start = IRQ_LCD,
 395                 .end   = IRQ_LCD,
 396                 .flags = IORESOURCE_IRQ,
 397         }
 398 };
 399
 400 static u64 nuc900_device_lcd_dmamask = -1;
 401 struct platform_device nuc900_device_lcd = {
 402         .name             = "nuc900-lcd",
 403         .id               = -1,
 404         .num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
 405         .resource         = nuc900_lcd_resource,
 406         .dev              = {
 407                 .dma_mask               = &nuc900_device_lcd_dmamask,
 408                 .coherent_dma_mask      = -1,
 409         }
 410 };
 411
 412 void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
 413 {
 414         struct nuc900fb_mach_info *npd;
 415
 416         npd = kmalloc(sizeof(*npd), GFP_KERNEL);
 417         if (npd) {
 418                 memcpy(npd, pd, sizeof(*npd));
 419                 nuc900_device_lcd.dev.platform_data = npd;
 420         } else {
 421                 printk(KERN_ERR "no memory for LCD platform data\n");
 422         }
 423 }
 424 #endif
 425
 426 /*Here should be your evb resourse,such as LCD*/
 427
 428 static struct platform_device *nuc900_public_dev[] __initdata = {
 429         &nuc900_serial_device,
 430         &nuc900_flash_device,
 431         &nuc900_device_usb_ehci,
 432         &nuc900_device_usb_ohci,
 433         &nuc900_device_usbgadget,
 434         &nuc900_device_emc,
 435         &nuc900_device_spi,
 436         &nuc900_device_wdt,
 437 };
 438
 439 /* Provide adding specific CPU platform devices API */
 440
 441 void __init nuc900_board_init(struct platform_device **device, int size)
 442 {
 443         platform_add_devices(device, size);
 444         platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
 445         spi_register_board_info(nuc900_spi_board_info,
 446                                         ARRAY_SIZE(nuc900_spi_board_info));
 447 }
 448