arch/arm/mach-pxa/poodle.c

   1 /*
   2  * linux/arch/arm/mach-pxa/poodle.c
   3  *
   4  *  Support for the SHARP Poodle Board.
   5  *
   6  * Based on:
   7  *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  *
  13  * Change Log
  14  *  12-Dec-2002 Sharp Corporation for Poodle
  15  *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
  16  */
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/export.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/fb.h>
  22 #include <linux/pm.h>
  23 #include <linux/delay.h>
  24 #include <linux/mtd/physmap.h>
  25 #include <linux/gpio.h>
  26 #include <linux/i2c.h>
  27 #include <linux/i2c/pxa-i2c.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/spi/ads7846.h>
  30 #include <linux/spi/pxa2xx_spi.h>
  31 #include <linux/mtd/sharpsl.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36 #include <asm/setup.h>
  37 #include <asm/system.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42
  43 #include <mach/pxa25x.h>
  44 #include <mach/mmc.h>
  45 #include <mach/udc.h>
  46 #include <mach/irda.h>
  47 #include <mach/poodle.h>
  48 #include <mach/pxafb.h>
  49
  50 #include <asm/hardware/scoop.h>
  51 #include <asm/hardware/locomo.h>
  52 #include <asm/mach/sharpsl_param.h>
  53
  54 #include "generic.h"
  55 #include "devices.h"
  56
  57 static unsigned long poodle_pin_config[] __initdata = {
  58         /* I/O */
  59         GPIO79_nCS_3,
  60         GPIO80_nCS_4,
  61         GPIO18_RDY,
  62
  63         /* Clock */
  64         GPIO12_32KHz,
  65
  66         /* SSP1 */
  67         GPIO23_SSP1_SCLK,
  68         GPIO25_SSP1_TXD,
  69         GPIO26_SSP1_RXD,
  70         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
  71
  72         /* I2S */
  73         GPIO28_I2S_BITCLK_OUT,
  74         GPIO29_I2S_SDATA_IN,
  75         GPIO30_I2S_SDATA_OUT,
  76         GPIO31_I2S_SYNC,
  77         GPIO32_I2S_SYSCLK,
  78
  79         /* Infra-Red */
  80         GPIO47_FICP_TXD,
  81         GPIO46_FICP_RXD,
  82
  83         /* FFUART */
  84         GPIO40_FFUART_DTR,
  85         GPIO41_FFUART_RTS,
  86         GPIO39_FFUART_TXD,
  87         GPIO37_FFUART_DSR,
  88         GPIO34_FFUART_RXD,
  89         GPIO35_FFUART_CTS,
  90
  91         /* LCD */
  92         GPIOxx_LCD_TFT_16BPP,
  93
  94         /* PC Card */
  95         GPIO48_nPOE,
  96         GPIO49_nPWE,
  97         GPIO50_nPIOR,
  98         GPIO51_nPIOW,
  99         GPIO52_nPCE_1,
 100         GPIO53_nPCE_2,
 101         GPIO54_nPSKTSEL,
 102         GPIO55_nPREG,
 103         GPIO56_nPWAIT,
 104         GPIO57_nIOIS16,
 105
 106         /* MMC */
 107         GPIO6_MMC_CLK,
 108         GPIO8_MMC_CS0,
 109
 110         /* GPIO */
 111         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 112         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 113         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 114         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 115
 116         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 117         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 118 };
 119
 120 static struct resource poodle_scoop_resources[] = {
 121         [0] = {
 122                 .start          = 0x10800000,
 123                 .end            = 0x10800fff,
 124                 .flags          = IORESOURCE_MEM,
 125         },
 126 };
 127
 128 static struct scoop_config poodle_scoop_setup = {
 129         .io_dir         = POODLE_SCOOP_IO_DIR,
 130         .io_out         = POODLE_SCOOP_IO_OUT,
 131         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
 132 };
 133
 134 struct platform_device poodle_scoop_device = {
 135         .name           = "sharp-scoop",
 136         .id             = -1,
 137         .dev            = {
 138                 .platform_data  = &poodle_scoop_setup,
 139         },
 140         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 141         .resource       = poodle_scoop_resources,
 142 };
 143
 144 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 145 {
 146         .dev        = &poodle_scoop_device.dev,
 147         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 148         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 149         .cd_irq_str = "PCMCIA0 CD",
 150 },
 151 };
 152
 153 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 154         .devs         = &poodle_pcmcia_scoop[0],
 155         .num_devs     = 1,
 156 };
 157
 158 EXPORT_SYMBOL(poodle_scoop_device);
 159
 160
 161 static struct platform_device poodle_audio_device = {
 162         .name   = "poodle-audio",
 163         .id     = -1,
 164 };
 165
 166 /* LoCoMo device */
 167 static struct resource locomo_resources[] = {
 168         [0] = {
 169                 .start          = 0x10000000,
 170                 .end            = 0x10001fff,
 171                 .flags          = IORESOURCE_MEM,
 172         },
 173         [1] = {
 174                 .start          = PXA_GPIO_TO_IRQ(10),
 175                 .end            = PXA_GPIO_TO_IRQ(10),
 176                 .flags          = IORESOURCE_IRQ,
 177         },
 178 };
 179
 180 static struct locomo_platform_data locomo_info = {
 181         .irq_base       = IRQ_BOARD_START,
 182 };
 183
 184 struct platform_device poodle_locomo_device = {
 185         .name           = "locomo",
 186         .id             = 0,
 187         .num_resources  = ARRAY_SIZE(locomo_resources),
 188         .resource       = locomo_resources,
 189         .dev            = {
 190                 .platform_data  = &locomo_info,
 191         },
 192 };
 193
 194 EXPORT_SYMBOL(poodle_locomo_device);
 195
 196 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 197 static struct pxa2xx_spi_master poodle_spi_info = {
 198         .num_chipselect = 1,
 199 };
 200
 201 static struct ads7846_platform_data poodle_ads7846_info = {
 202         .model                  = 7846,
 203         .vref_delay_usecs       = 100,
 204         .x_plate_ohms           = 419,
 205         .y_plate_ohms           = 486,
 206         .gpio_pendown           = POODLE_GPIO_TP_INT,
 207 };
 208
 209 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
 210         .gpio_cs                = POODLE_GPIO_TP_CS,
 211 };
 212
 213 static struct spi_board_info poodle_spi_devices[] = {
 214         {
 215                 .modalias       = "ads7846",
 216                 .max_speed_hz   = 10000,
 217                 .bus_num        = 1,
 218                 .platform_data  = &poodle_ads7846_info,
 219                 .controller_data= &poodle_ads7846_chip,
 220                 .irq            = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
 221         },
 222 };
 223
 224 static void __init poodle_init_spi(void)
 225 {
 226         pxa2xx_set_spi_info(1, &poodle_spi_info);
 227         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 228 }
 229 #else
 230 static inline void poodle_init_spi(void) {}
 231 #endif
 232
 233 /*
 234  * MMC/SD Device
 235  *
 236  * The card detect interrupt isn't debounced so we delay it by 250ms
 237  * to give the card a chance to fully insert/eject.
 238  */
 239 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 240 {
 241         int err;
 242
 243         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 244         if (err)
 245                 goto err_free_2;
 246
 247         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 248         if (err)
 249                 goto err_free_3;
 250
 251         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 252         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 253
 254         return 0;
 255
 256 err_free_3:
 257         gpio_free(POODLE_GPIO_SD_PWR);
 258 err_free_2:
 259         return err;
 260 }
 261
 262 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 263 {
 264         struct pxamci_platform_data* p_d = dev->platform_data;
 265
 266         if ((1 << vdd) & p_d->ocr_mask) {
 267                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 268                 mdelay(2);
 269                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 270         } else {
 271                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 272                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 273         }
 274 }
 275
 276 static void poodle_mci_exit(struct device *dev, void *data)
 277 {
 278         gpio_free(POODLE_GPIO_SD_PWR1);
 279         gpio_free(POODLE_GPIO_SD_PWR);
 280 }
 281
 282 static struct pxamci_platform_data poodle_mci_platform_data = {
 283         .detect_delay_ms        = 250,
 284         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 285         .init                   = poodle_mci_init,
 286         .setpower               = poodle_mci_setpower,
 287         .exit                   = poodle_mci_exit,
 288         .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
 289         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
 290         .gpio_power             = -1,
 291 };
 292
 293
 294 /*
 295  * Irda
 296  */
 297 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 298         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 299         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 300 };
 301
 302
 303 /*
 304  * USB Device Controller
 305  */
 306 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 307         /* no connect GPIO; poodle can't tell connection status */
 308         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 309 };
 310
 311
 312 /* PXAFB device */
 313 static struct pxafb_mode_info poodle_fb_mode = {
 314         .pixclock       = 144700,
 315         .xres           = 320,
 316         .yres           = 240,
 317         .bpp            = 16,
 318         .hsync_len      = 7,
 319         .left_margin    = 11,
 320         .right_margin   = 30,
 321         .vsync_len      = 2,
 322         .upper_margin   = 2,
 323         .lower_margin   = 0,
 324         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 325 };
 326
 327 static struct pxafb_mach_info poodle_fb_info = {
 328         .modes          = &poodle_fb_mode,
 329         .num_modes      = 1,
 330         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 331 };
 332
 333 static struct mtd_partition sharpsl_nand_partitions[] = {
 334         {
 335                 .name = "System Area",
 336                 .offset = 0,
 337                 .size = 7 * 1024 * 1024,
 338         },
 339         {
 340                 .name = "Root Filesystem",
 341                 .offset = 7 * 1024 * 1024,
 342                 .size = 22 * 1024 * 1024,
 343         },
 344         {
 345                 .name = "Home Filesystem",
 346                 .offset = MTDPART_OFS_APPEND,
 347                 .size = MTDPART_SIZ_FULL,
 348         },
 349 };
 350
 351 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 352
 353 static struct nand_bbt_descr sharpsl_bbt = {
 354         .options = 0,
 355         .offs = 4,
 356         .len = 2,
 357         .pattern = scan_ff_pattern
 358 };
 359
 360 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 361         .badblock_pattern       = &sharpsl_bbt,
 362         .partitions             = sharpsl_nand_partitions,
 363         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 364 };
 365
 366 static struct resource sharpsl_nand_resources[] = {
 367         {
 368                 .start  = 0x0C000000,
 369                 .end    = 0x0C000FFF,
 370                 .flags  = IORESOURCE_MEM,
 371         },
 372 };
 373
 374 static struct platform_device sharpsl_nand_device = {
 375         .name           = "sharpsl-nand",
 376         .id             = -1,
 377         .resource       = sharpsl_nand_resources,
 378         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 379         .dev.platform_data      = &sharpsl_nand_platform_data,
 380 };
 381
 382 static struct mtd_partition sharpsl_rom_parts[] = {
 383         {
 384                 .name   ="Boot PROM Filesystem",
 385                 .offset = 0x00120000,
 386                 .size   = MTDPART_SIZ_FULL,
 387         },
 388 };
 389
 390 static struct physmap_flash_data sharpsl_rom_data = {
 391         .width          = 2,
 392         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 393         .parts          = sharpsl_rom_parts,
 394 };
 395
 396 static struct resource sharpsl_rom_resources[] = {
 397         {
 398                 .start  = 0x00000000,
 399                 .end    = 0x007fffff,
 400                 .flags  = IORESOURCE_MEM,
 401         },
 402 };
 403
 404 static struct platform_device sharpsl_rom_device = {
 405         .name   = "physmap-flash",
 406         .id     = -1,
 407         .resource = sharpsl_rom_resources,
 408         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 409         .dev.platform_data = &sharpsl_rom_data,
 410 };
 411
 412 static struct platform_device *devices[] __initdata = {
 413         &poodle_locomo_device,
 414         &poodle_scoop_device,
 415         &poodle_audio_device,
 416         &sharpsl_nand_device,
 417         &sharpsl_rom_device,
 418 };
 419
 420 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 421         { I2C_BOARD_INFO("wm8731", 0x1b) },
 422 };
 423
 424 static void poodle_poweroff(void)
 425 {
 426         pxa_restart('h', NULL);
 427 }
 428
 429 static void __init poodle_init(void)
 430 {
 431         int ret = 0;
 432
 433         pm_power_off = poodle_poweroff;
 434
 435         PCFR |= PCFR_OPDE;
 436
 437         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 438
 439         pxa_set_ffuart_info(NULL);
 440         pxa_set_btuart_info(NULL);
 441         pxa_set_stuart_info(NULL);
 442
 443         platform_scoop_config = &poodle_pcmcia_config;
 444
 445         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 446         if (ret)
 447                 pr_warning("poodle: Unable to register LoCoMo device\n");
 448
 449         pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
 450         pxa_set_udc_info(&udc_info);
 451         pxa_set_mci_info(&poodle_mci_platform_data);
 452         pxa_set_ficp_info(&poodle_ficp_platform_data);
 453         pxa_set_i2c_info(NULL);
 454         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
 455         poodle_init_spi();
 456 }
 457
 458 static void __init fixup_poodle(struct tag *tags, char **cmdline,
 459                                 struct meminfo *mi)
 460 {
 461         sharpsl_save_param();
 462         mi->nr_banks=1;
 463         mi->bank[0].start = 0xa0000000;
 464         mi->bank[0].size = (32*1024*1024);
 465 }
 466
 467 MACHINE_START(POODLE, "SHARP Poodle")
 468         .fixup          = fixup_poodle,
 469         .map_io         = pxa25x_map_io,
 470         .nr_irqs        = POODLE_NR_IRQS,       /* 4 for LoCoMo */
 471         .init_irq       = pxa25x_init_irq,
 472         .handle_irq     = pxa25x_handle_irq,
 473         .timer          = &pxa_timer,
 474         .init_machine   = poodle_init,
 475         .restart        = pxa_restart,
 476 MACHINE_END