release/src-rt-6.x.4708/linux/linux-2.6.36/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 #include <mach/regs-ldm.h>
  40 #include <mach/w90p910_keypad.h>
  41
  42 #include "cpu.h"
  43
  44 /*NUC900 evb norflash driver data */
  45
  46 #define NUC900_FLASH_BASE       0xA0000000
  47 #define NUC900_FLASH_SIZE       0x400000
  48 #define SPIOFFSET               0x200
  49 #define SPIOREG_SIZE            0x100
  50
  51 static struct mtd_partition nuc900_flash_partitions[] = {
  52         {
  53                 .name   =       "NOR Partition 1 for kernel (960K)",
  54                 .size   =       0xF0000,
  55                 .offset =       0x10000,
  56         },
  57         {
  58                 .name   =       "NOR Partition 2 for image (1M)",
  59                 .size   =       0x100000,
  60                 .offset =       0x100000,
  61         },
  62         {
  63                 .name   =       "NOR Partition 3 for user (2M)",
  64                 .size   =       0x200000,
  65                 .offset =       0x00200000,
  66         }
  67 };
  68
  69 static struct physmap_flash_data nuc900_flash_data = {
  70         .width          =       2,
  71         .parts          =       nuc900_flash_partitions,
  72         .nr_parts       =       ARRAY_SIZE(nuc900_flash_partitions),
  73 };
  74
  75 static struct resource nuc900_flash_resources[] = {
  76         {
  77                 .start  =       NUC900_FLASH_BASE,
  78                 .end    =       NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
  79                 .flags  =       IORESOURCE_MEM,
  80         }
  81 };
  82
  83 static struct platform_device nuc900_flash_device = {
  84         .name           =       "physmap-flash",
  85         .id             =       0,
  86         .dev            = {
  87                                 .platform_data = &nuc900_flash_data,
  88                         },
  89         .resource       =       nuc900_flash_resources,
  90         .num_resources  =       ARRAY_SIZE(nuc900_flash_resources),
  91 };
  92
  93 /* USB EHCI Host Controller */
  94
  95 static struct resource nuc900_usb_ehci_resource[] = {
  96         [0] = {
  97                 .start = W90X900_PA_USBEHCIHOST,
  98                 .end   = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
  99                 .flags = IORESOURCE_MEM,
 100         },
 101         [1] = {
 102                 .start = IRQ_USBH,
 103                 .end   = IRQ_USBH,
 104                 .flags = IORESOURCE_IRQ,
 105         }
 106 };
 107
 108 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
 109
 110 static struct platform_device nuc900_device_usb_ehci = {
 111         .name             = "nuc900-ehci",
 112         .id               = -1,
 113         .num_resources    = ARRAY_SIZE(nuc900_usb_ehci_resource),
 114         .resource         = nuc900_usb_ehci_resource,
 115         .dev              = {
 116                 .dma_mask = &nuc900_device_usb_ehci_dmamask,
 117                 .coherent_dma_mask = 0xffffffffUL
 118         }
 119 };
 120
 121 /* USB OHCI Host Controller */
 122
 123 static struct resource nuc900_usb_ohci_resource[] = {
 124         [0] = {
 125                 .start = W90X900_PA_USBOHCIHOST,
 126                 .end   = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
 127                 .flags = IORESOURCE_MEM,
 128         },
 129         [1] = {
 130                 .start = IRQ_USBH,
 131                 .end   = IRQ_USBH,
 132                 .flags = IORESOURCE_IRQ,
 133         }
 134 };
 135
 136 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
 137 static struct platform_device nuc900_device_usb_ohci = {
 138         .name             = "nuc900-ohci",
 139         .id               = -1,
 140         .num_resources    = ARRAY_SIZE(nuc900_usb_ohci_resource),
 141         .resource         = nuc900_usb_ohci_resource,
 142         .dev              = {
 143                 .dma_mask = &nuc900_device_usb_ohci_dmamask,
 144                 .coherent_dma_mask = 0xffffffffUL
 145         }
 146 };
 147
 148 /* USB Device (Gadget)*/
 149
 150 static struct resource nuc900_usbgadget_resource[] = {
 151         [0] = {
 152                 .start = W90X900_PA_USBDEV,
 153                 .end   = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
 154                 .flags = IORESOURCE_MEM,
 155         },
 156         [1] = {
 157                 .start = IRQ_USBD,
 158                 .end   = IRQ_USBD,
 159                 .flags = IORESOURCE_IRQ,
 160         }
 161 };
 162
 163 static struct platform_device nuc900_device_usbgadget = {
 164         .name           = "nuc900-usbgadget",
 165         .id             = -1,
 166         .num_resources  = ARRAY_SIZE(nuc900_usbgadget_resource),
 167         .resource       = nuc900_usbgadget_resource,
 168 };
 169
 170 /* MAC device */
 171
 172 static struct resource nuc900_emc_resource[] = {
 173         [0] = {
 174                 .start = W90X900_PA_EMC,
 175                 .end   = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
 176                 .flags = IORESOURCE_MEM,
 177         },
 178         [1] = {
 179                 .start = IRQ_EMCTX,
 180                 .end   = IRQ_EMCTX,
 181                 .flags = IORESOURCE_IRQ,
 182         },
 183         [2] = {
 184                 .start = IRQ_EMCRX,
 185                 .end   = IRQ_EMCRX,
 186                 .flags = IORESOURCE_IRQ,
 187         }
 188 };
 189
 190 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
 191 static struct platform_device nuc900_device_emc = {
 192         .name           = "nuc900-emc",
 193         .id             = -1,
 194         .num_resources  = ARRAY_SIZE(nuc900_emc_resource),
 195         .resource       = nuc900_emc_resource,
 196         .dev              = {
 197                 .dma_mask = &nuc900_device_emc_dmamask,
 198                 .coherent_dma_mask = 0xffffffffUL
 199         }
 200 };
 201
 202 /* SPI device */
 203
 204 static struct nuc900_spi_info nuc900_spiflash_data = {
 205         .num_cs         = 1,
 206         .lsb            = 0,
 207         .txneg          = 1,
 208         .rxneg          = 0,
 209         .divider        = 24,
 210         .sleep          = 0,
 211         .txnum          = 0,
 212         .txbitlen       = 8,
 213         .bus_num        = 0,
 214 };
 215
 216 static struct resource nuc900_spi_resource[] = {
 217         [0] = {
 218                 .start = W90X900_PA_I2C + SPIOFFSET,
 219                 .end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
 220                 .flags = IORESOURCE_MEM,
 221         },
 222         [1] = {
 223                 .start = IRQ_SSP,
 224                 .end   = IRQ_SSP,
 225                 .flags = IORESOURCE_IRQ,
 226         }
 227 };
 228
 229 static struct platform_device nuc900_device_spi = {
 230         .name           = "nuc900-spi",
 231         .id             = -1,
 232         .num_resources  = ARRAY_SIZE(nuc900_spi_resource),
 233         .resource       = nuc900_spi_resource,
 234         .dev            = {
 235                                 .platform_data = &nuc900_spiflash_data,
 236                         }
 237 };
 238
 239 /* spi device, spi flash info */
 240
 241 static struct mtd_partition nuc900_spi_flash_partitions[] = {
 242         {
 243                 .name = "bootloader(spi)",
 244                 .size = 0x0100000,
 245                 .offset = 0,
 246         },
 247 };
 248
 249 static struct flash_platform_data nuc900_spi_flash_data = {
 250         .name = "m25p80",
 251         .parts =  nuc900_spi_flash_partitions,
 252         .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
 253         .type = "w25x16",
 254 };
 255
 256 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
 257         {
 258                 .modalias = "m25p80",
 259                 .max_speed_hz = 20000000,
 260                 .bus_num = 0,
 261                 .chip_select = 0,
 262                 .platform_data = &nuc900_spi_flash_data,
 263                 .mode = SPI_MODE_0,
 264         },
 265 };
 266
 267 /* WDT Device */
 268
 269 static struct resource nuc900_wdt_resource[] = {
 270         [0] = {
 271                 .start = W90X900_PA_TIMER,
 272                 .end   = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
 273                 .flags = IORESOURCE_MEM,
 274         },
 275         [1] = {
 276                 .start = IRQ_WDT,
 277                 .end   = IRQ_WDT,
 278                 .flags = IORESOURCE_IRQ,
 279         }
 280 };
 281
 282 static struct platform_device nuc900_device_wdt = {
 283         .name           = "nuc900-wdt",
 284         .id             = -1,
 285         .num_resources  = ARRAY_SIZE(nuc900_wdt_resource),
 286         .resource       = nuc900_wdt_resource,
 287 };
 288
 289 /*
 290  * public device definition between 910 and 920, or 910
 291  * and 950 or 950 and 960...,their dev platform register
 292  * should be in specific file such as nuc950, nuc960 c
 293  * files rather than the public dev.c file here. so the
 294  * corresponding platform_device definition should not be
 295  * static.
 296 */
 297
 298 /* RTC controller*/
 299
 300 static struct resource nuc900_rtc_resource[] = {
 301         [0] = {
 302                 .start = W90X900_PA_RTC,
 303                 .end   = W90X900_PA_RTC + 0xff,
 304                 .flags = IORESOURCE_MEM,
 305         },
 306         [1] = {
 307                 .start = IRQ_RTC,
 308                 .end   = IRQ_RTC,
 309                 .flags = IORESOURCE_IRQ,
 310         },
 311 };
 312
 313 struct platform_device nuc900_device_rtc = {
 314         .name           = "nuc900-rtc",
 315         .id             = -1,
 316         .num_resources  = ARRAY_SIZE(nuc900_rtc_resource),
 317         .resource       = nuc900_rtc_resource,
 318 };
 319
 320 /*TouchScreen controller*/
 321
 322 static struct resource nuc900_ts_resource[] = {
 323         [0] = {
 324                 .start = W90X900_PA_ADC,
 325                 .end   = W90X900_PA_ADC + W90X900_SZ_ADC-1,
 326                 .flags = IORESOURCE_MEM,
 327         },
 328         [1] = {
 329                 .start = IRQ_ADC,
 330                 .end   = IRQ_ADC,
 331                 .flags = IORESOURCE_IRQ,
 332         },
 333 };
 334
 335 struct platform_device nuc900_device_ts = {
 336         .name           = "nuc900-ts",
 337         .id             = -1,
 338         .resource       = nuc900_ts_resource,
 339         .num_resources  = ARRAY_SIZE(nuc900_ts_resource),
 340 };
 341
 342 /* FMI Device */
 343
 344 static struct resource nuc900_fmi_resource[] = {
 345         [0] = {
 346                 .start = W90X900_PA_FMI,
 347                 .end   = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
 348                 .flags = IORESOURCE_MEM,
 349         },
 350         [1] = {
 351                 .start = IRQ_FMI,
 352                 .end   = IRQ_FMI,
 353                 .flags = IORESOURCE_IRQ,
 354         }
 355 };
 356
 357 struct platform_device nuc900_device_fmi = {
 358         .name           = "nuc900-fmi",
 359         .id             = -1,
 360         .num_resources  = ARRAY_SIZE(nuc900_fmi_resource),
 361         .resource       = nuc900_fmi_resource,
 362 };
 363
 364 /* KPI controller*/
 365
 366 static int nuc900_keymap[] = {
 367         KEY(0, 0, KEY_A),
 368         KEY(0, 1, KEY_B),
 369         KEY(0, 2, KEY_C),
 370         KEY(0, 3, KEY_D),
 371
 372         KEY(1, 0, KEY_E),
 373         KEY(1, 1, KEY_F),
 374         KEY(1, 2, KEY_G),
 375         KEY(1, 3, KEY_H),
 376
 377         KEY(2, 0, KEY_I),
 378         KEY(2, 1, KEY_J),
 379         KEY(2, 2, KEY_K),
 380         KEY(2, 3, KEY_L),
 381
 382         KEY(3, 0, KEY_M),
 383         KEY(3, 1, KEY_N),
 384         KEY(3, 2, KEY_O),
 385         KEY(3, 3, KEY_P),
 386 };
 387
 388 static struct matrix_keymap_data nuc900_map_data = {
 389         .keymap                 = nuc900_keymap,
 390         .keymap_size            = ARRAY_SIZE(nuc900_keymap),
 391 };
 392
 393 struct w90p910_keypad_platform_data nuc900_keypad_info = {
 394         .keymap_data    = &nuc900_map_data,
 395         .prescale       = 0xfa,
 396         .debounce       = 0x50,
 397 };
 398
 399 static struct resource nuc900_kpi_resource[] = {
 400         [0] = {
 401                 .start = W90X900_PA_KPI,
 402                 .end   = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
 403                 .flags = IORESOURCE_MEM,
 404         },
 405         [1] = {
 406                 .start = IRQ_KPI,
 407                 .end   = IRQ_KPI,
 408                 .flags = IORESOURCE_IRQ,
 409         }
 410
 411 };
 412
 413 struct platform_device nuc900_device_kpi = {
 414         .name           = "nuc900-kpi",
 415         .id             = -1,
 416         .num_resources  = ARRAY_SIZE(nuc900_kpi_resource),
 417         .resource       = nuc900_kpi_resource,
 418         .dev            = {
 419                                 .platform_data = &nuc900_keypad_info,
 420                         }
 421 };
 422
 423 /* LCD controller*/
 424
 425 static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
 426         /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
 427         [0] = {
 428                 .type           = LCM_DCCS_VA_SRC_RGB565,
 429                 .width          = 320,
 430                 .height         = 240,
 431                 .xres           = 320,
 432                 .yres           = 240,
 433                 .bpp            = 16,
 434                 .pixclock       = 200000,
 435                 .left_margin    = 34,
 436                 .right_margin   = 54,
 437                 .hsync_len      = 10,
 438                 .upper_margin   = 18,
 439                 .lower_margin   = 4,
 440                 .vsync_len      = 1,
 441                 .dccs           = 0x8e00041a,
 442                 .devctl         = 0x060800c0,
 443                 .fbctrl         = 0x00a000a0,
 444                 .scale          = 0x04000400,
 445         },
 446 };
 447
 448 static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
 449 #if defined(CONFIG_GPM1040A0_320X240)
 450         .displays               = &nuc900_lcd_info[0],
 451 #else
 452         .displays               = nuc900_lcd_info,
 453 #endif
 454         .num_displays           = ARRAY_SIZE(nuc900_lcd_info),
 455         .default_display        = 0,
 456         .gpio_dir               = 0x00000004,
 457         .gpio_dir_mask          = 0xFFFFFFFD,
 458         .gpio_data              = 0x00000004,
 459         .gpio_data_mask         = 0xFFFFFFFD,
 460 };
 461
 462 static struct resource nuc900_lcd_resource[] = {
 463         [0] = {
 464                 .start = W90X900_PA_LCD,
 465                 .end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
 466                 .flags = IORESOURCE_MEM,
 467         },
 468         [1] = {
 469                 .start = IRQ_LCD,
 470                 .end   = IRQ_LCD,
 471                 .flags = IORESOURCE_IRQ,
 472         }
 473 };
 474
 475 static u64 nuc900_device_lcd_dmamask = -1;
 476 struct platform_device nuc900_device_lcd = {
 477         .name             = "nuc900-lcd",
 478         .id               = -1,
 479         .num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
 480         .resource         = nuc900_lcd_resource,
 481         .dev              = {
 482                 .dma_mask               = &nuc900_device_lcd_dmamask,
 483                 .coherent_dma_mask      = -1,
 484                 .platform_data = &nuc900_fb_info,
 485         }
 486 };
 487
 488 /* AUDIO controller*/
 489 static u64 nuc900_device_audio_dmamask = -1;
 490 static struct resource nuc900_ac97_resource[] = {
 491         [0] = {
 492                 .start = W90X900_PA_ACTL,
 493                 .end   = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
 494                 .flags = IORESOURCE_MEM,
 495         },
 496         [1] = {
 497                 .start = IRQ_ACTL,
 498                 .end   = IRQ_ACTL,
 499                 .flags = IORESOURCE_IRQ,
 500         }
 501
 502 };
 503
 504 struct platform_device nuc900_device_audio = {
 505         .name           = "nuc900-audio",
 506         .id             = -1,
 507         .num_resources  = ARRAY_SIZE(nuc900_ac97_resource),
 508         .resource       = nuc900_ac97_resource,
 509         .dev              = {
 510                 .dma_mask               = &nuc900_device_audio_dmamask,
 511                 .coherent_dma_mask      = -1,
 512         }
 513 };
 514
 515 /*Here should be your evb resourse,such as LCD*/
 516
 517 static struct platform_device *nuc900_public_dev[] __initdata = {
 518         &nuc900_serial_device,
 519         &nuc900_flash_device,
 520         &nuc900_device_usb_ehci,
 521         &nuc900_device_usb_ohci,
 522         &nuc900_device_usbgadget,
 523         &nuc900_device_emc,
 524         &nuc900_device_spi,
 525         &nuc900_device_wdt,
 526         &nuc900_device_audio,
 527 };
 528
 529 /* Provide adding specific CPU platform devices API */
 530
 531 void __init nuc900_board_init(struct platform_device **device, int size)
 532 {
 533         platform_add_devices(device, size);
 534         platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
 535         spi_register_board_info(nuc900_spi_board_info,
 536                                         ARRAY_SIZE(nuc900_spi_board_info));
 537 }