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