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/spi/spi.h>
  27 #include <linux/spi/ads7846.h>
  28 #include <linux/mtd/sharpsl.h>
  29
  30 #include <mach/hardware.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/irq.h>
  33 #include <asm/setup.h>
  34 #include <asm/system.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <mach/pxa25x.h>
  41 #include <mach/mmc.h>
  42 #include <mach/udc.h>
  43 #include <plat/i2c.h>
  44 #include <mach/irda.h>
  45 #include <mach/poodle.h>
  46 #include <mach/pxafb.h>
  47 #include <mach/sharpsl.h>
  48 #include <mach/ssp.h>
  49 #include <mach/pxa2xx_spi.h>
  50
  51 #include <asm/hardware/scoop.h>
  52 #include <asm/hardware/locomo.h>
  53 #include <asm/mach/sharpsl_param.h>
  54
  55 #include "generic.h"
  56 #include "devices.h"
  57 #include "sharpsl.h"
  58
  59 static unsigned long poodle_pin_config[] __initdata = {
  60         /* I/O */
  61         GPIO79_nCS_3,
  62         GPIO80_nCS_4,
  63         GPIO18_RDY,
  64
  65         /* Clock */
  66         GPIO12_32KHz,
  67
  68         /* SSP1 */
  69         GPIO23_SSP1_SCLK,
  70         GPIO25_SSP1_TXD,
  71         GPIO26_SSP1_RXD,
  72         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
  73
  74         /* I2S */
  75         GPIO28_I2S_BITCLK_OUT,
  76         GPIO29_I2S_SDATA_IN,
  77         GPIO30_I2S_SDATA_OUT,
  78         GPIO31_I2S_SYNC,
  79         GPIO32_I2S_SYSCLK,
  80
  81         /* Infra-Red */
  82         GPIO47_FICP_TXD,
  83         GPIO46_FICP_RXD,
  84
  85         /* FFUART */
  86         GPIO40_FFUART_DTR,
  87         GPIO41_FFUART_RTS,
  88         GPIO39_FFUART_TXD,
  89         GPIO37_FFUART_DSR,
  90         GPIO34_FFUART_RXD,
  91         GPIO35_FFUART_CTS,
  92
  93         /* LCD */
  94         GPIOxx_LCD_TFT_16BPP,
  95
  96         /* PC Card */
  97         GPIO48_nPOE,
  98         GPIO49_nPWE,
  99         GPIO50_nPIOR,
 100         GPIO51_nPIOW,
 101         GPIO52_nPCE_1,
 102         GPIO53_nPCE_2,
 103         GPIO54_nPSKTSEL,
 104         GPIO55_nPREG,
 105         GPIO56_nPWAIT,
 106         GPIO57_nIOIS16,
 107
 108         /* MMC */
 109         GPIO6_MMC_CLK,
 110         GPIO8_MMC_CS0,
 111
 112         /* GPIO */
 113         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 114         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 115         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 116         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 117
 118         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 119         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 120 };
 121
 122 static struct resource poodle_scoop_resources[] = {
 123         [0] = {
 124                 .start          = 0x10800000,
 125                 .end            = 0x10800fff,
 126                 .flags          = IORESOURCE_MEM,
 127         },
 128 };
 129
 130 static struct scoop_config poodle_scoop_setup = {
 131         .io_dir         = POODLE_SCOOP_IO_DIR,
 132         .io_out         = POODLE_SCOOP_IO_OUT,
 133         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
 134 };
 135
 136 struct platform_device poodle_scoop_device = {
 137         .name           = "sharp-scoop",
 138         .id             = -1,
 139         .dev            = {
 140                 .platform_data  = &poodle_scoop_setup,
 141         },
 142         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 143         .resource       = poodle_scoop_resources,
 144 };
 145
 146 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 147 {
 148         .dev        = &poodle_scoop_device.dev,
 149         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 150         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 151         .cd_irq_str = "PCMCIA0 CD",
 152 },
 153 };
 154
 155 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 156         .devs         = &poodle_pcmcia_scoop[0],
 157         .num_devs     = 1,
 158 };
 159
 160 EXPORT_SYMBOL(poodle_scoop_device);
 161
 162
 163 /* LoCoMo device */
 164 static struct resource locomo_resources[] = {
 165         [0] = {
 166                 .start          = 0x10000000,
 167                 .end            = 0x10001fff,
 168                 .flags          = IORESOURCE_MEM,
 169         },
 170         [1] = {
 171                 .start          = IRQ_GPIO(10),
 172                 .end            = IRQ_GPIO(10),
 173                 .flags          = IORESOURCE_IRQ,
 174         },
 175 };
 176
 177 static struct locomo_platform_data locomo_info = {
 178         .irq_base       = IRQ_BOARD_START,
 179 };
 180
 181 struct platform_device poodle_locomo_device = {
 182         .name           = "locomo",
 183         .id             = 0,
 184         .num_resources  = ARRAY_SIZE(locomo_resources),
 185         .resource       = locomo_resources,
 186         .dev            = {
 187                 .platform_data  = &locomo_info,
 188         },
 189 };
 190
 191 EXPORT_SYMBOL(poodle_locomo_device);
 192
 193 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 194 static struct pxa2xx_spi_master poodle_spi_info = {
 195         .num_chipselect = 1,
 196 };
 197
 198 static struct ads7846_platform_data poodle_ads7846_info = {
 199         .model                  = 7846,
 200         .vref_delay_usecs       = 100,
 201         .x_plate_ohms           = 419,
 202         .y_plate_ohms           = 486,
 203         .gpio_pendown           = POODLE_GPIO_TP_INT,
 204 };
 205
 206 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
 207         .gpio_cs                = POODLE_GPIO_TP_CS,
 208 };
 209
 210 static struct spi_board_info poodle_spi_devices[] = {
 211         {
 212                 .modalias       = "ads7846",
 213                 .max_speed_hz   = 10000,
 214                 .bus_num        = 1,
 215                 .platform_data  = &poodle_ads7846_info,
 216                 .controller_data= &poodle_ads7846_chip,
 217                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
 218         },
 219 };
 220
 221 static void __init poodle_init_spi(void)
 222 {
 223         pxa2xx_set_spi_info(1, &poodle_spi_info);
 224         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 225 }
 226 #else
 227 static inline void poodle_init_spi(void) {}
 228 #endif
 229
 230 /*
 231  * MMC/SD Device
 232  *
 233  * The card detect interrupt isn't debounced so we delay it by 250ms
 234  * to give the card a chance to fully insert/eject.
 235  */
 236 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 237 {
 238         int err;
 239
 240         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 241         if (err)
 242                 goto err_free_2;
 243
 244         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 245         if (err)
 246                 goto err_free_3;
 247
 248         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 249         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 250
 251         return 0;
 252
 253 err_free_3:
 254         gpio_free(POODLE_GPIO_SD_PWR);
 255 err_free_2:
 256         return err;
 257 }
 258
 259 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 260 {
 261         struct pxamci_platform_data* p_d = dev->platform_data;
 262
 263         if ((1 << vdd) & p_d->ocr_mask) {
 264                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 265                 mdelay(2);
 266                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 267         } else {
 268                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 269                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 270         }
 271 }
 272
 273 static void poodle_mci_exit(struct device *dev, void *data)
 274 {
 275         gpio_free(POODLE_GPIO_SD_PWR1);
 276         gpio_free(POODLE_GPIO_SD_PWR);
 277 }
 278
 279 static struct pxamci_platform_data poodle_mci_platform_data = {
 280         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 281         .init                   = poodle_mci_init,
 282         .setpower               = poodle_mci_setpower,
 283         .exit                   = poodle_mci_exit,
 284         .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
 285         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
 286         .gpio_power             = -1,
 287 };
 288
 289
 290 /*
 291  * Irda
 292  */
 293 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 294         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 295         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 296 };
 297
 298
 299 /*
 300  * USB Device Controller
 301  */
 302 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 303         /* no connect GPIO; poodle can't tell connection status */
 304         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 305 };
 306
 307
 308 /* PXAFB device */
 309 static struct pxafb_mode_info poodle_fb_mode = {
 310         .pixclock       = 144700,
 311         .xres           = 320,
 312         .yres           = 240,
 313         .bpp            = 16,
 314         .hsync_len      = 7,
 315         .left_margin    = 11,
 316         .right_margin   = 30,
 317         .vsync_len      = 2,
 318         .upper_margin   = 2,
 319         .lower_margin   = 0,
 320         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 321 };
 322
 323 static struct pxafb_mach_info poodle_fb_info = {
 324         .modes          = &poodle_fb_mode,
 325         .num_modes      = 1,
 326         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 327 };
 328
 329 static struct mtd_partition sharpsl_nand_partitions[] = {
 330         {
 331                 .name = "System Area",
 332                 .offset = 0,
 333                 .size = 7 * 1024 * 1024,
 334         },
 335         {
 336                 .name = "Root Filesystem",
 337                 .offset = 7 * 1024 * 1024,
 338                 .size = 22 * 1024 * 1024,
 339         },
 340         {
 341                 .name = "Home Filesystem",
 342                 .offset = MTDPART_OFS_APPEND,
 343                 .size = MTDPART_SIZ_FULL,
 344         },
 345 };
 346
 347 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 348
 349 static struct nand_bbt_descr sharpsl_bbt = {
 350         .options = 0,
 351         .offs = 4,
 352         .len = 2,
 353         .pattern = scan_ff_pattern
 354 };
 355
 356 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 357         .badblock_pattern       = &sharpsl_bbt,
 358         .partitions             = sharpsl_nand_partitions,
 359         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 360 };
 361
 362 static struct resource sharpsl_nand_resources[] = {
 363         {
 364                 .start  = 0x0C000000,
 365                 .end    = 0x0C000FFF,
 366                 .flags  = IORESOURCE_MEM,
 367         },
 368 };
 369
 370 static struct platform_device sharpsl_nand_device = {
 371         .name           = "sharpsl-nand",
 372         .id             = -1,
 373         .resource       = sharpsl_nand_resources,
 374         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 375         .dev.platform_data      = &sharpsl_nand_platform_data,
 376 };
 377
 378 static struct mtd_partition sharpsl_rom_parts[] = {
 379         {
 380                 .name   ="Boot PROM Filesystem",
 381                 .offset = 0x00120000,
 382                 .size   = MTDPART_SIZ_FULL,
 383         },
 384 };
 385
 386 static struct physmap_flash_data sharpsl_rom_data = {
 387         .width          = 2,
 388         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 389         .parts          = sharpsl_rom_parts,
 390 };
 391
 392 static struct resource sharpsl_rom_resources[] = {
 393         {
 394                 .start  = 0x00000000,
 395                 .end    = 0x007fffff,
 396                 .flags  = IORESOURCE_MEM,
 397         },
 398 };
 399
 400 static struct platform_device sharpsl_rom_device = {
 401         .name   = "physmap-flash",
 402         .id     = -1,
 403         .resource = sharpsl_rom_resources,
 404         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 405         .dev.platform_data = &sharpsl_rom_data,
 406 };
 407
 408 static struct platform_device *devices[] __initdata = {
 409         &poodle_locomo_device,
 410         &poodle_scoop_device,
 411         &sharpsl_nand_device,
 412         &sharpsl_rom_device,
 413 };
 414
 415 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 416         { I2C_BOARD_INFO("wm8731", 0x1b) },
 417 };
 418
 419 static void poodle_poweroff(void)
 420 {
 421         arm_machine_restart('h', NULL);
 422 }
 423
 424 static void poodle_restart(char mode, const char *cmd)
 425 {
 426         arm_machine_restart('h', cmd);
 427 }
 428
 429 static void __init poodle_init(void)
 430 {
 431         int ret = 0;
 432
 433         pm_power_off = poodle_poweroff;
 434         arm_pm_restart = poodle_restart;
 435
 436         PCFR |= PCFR_OPDE;
 437
 438         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 439
 440         pxa_set_ffuart_info(NULL);
 441         pxa_set_btuart_info(NULL);
 442         pxa_set_stuart_info(NULL);
 443
 444         platform_scoop_config = &poodle_pcmcia_config;
 445
 446         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 447         if (ret)
 448                 pr_warning("poodle: Unable to register LoCoMo device\n");
 449
 450         set_pxa_fb_parent(&poodle_locomo_device.dev);
 451         set_pxa_fb_info(&poodle_fb_info);
 452         pxa_set_udc_info(&udc_info);
 453         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 454         pxa_set_mci_info(&poodle_mci_platform_data);
 455         pxa_set_ficp_info(&poodle_ficp_platform_data);
 456         pxa_set_i2c_info(NULL);
 457         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
 458         poodle_init_spi();
 459 }
 460
 461 static void __init fixup_poodle(struct machine_desc *desc,
 462                 struct tag *tags, char **cmdline, struct meminfo *mi)
 463 {
 464         sharpsl_save_param();
 465         mi->nr_banks=1;
 466         mi->bank[0].start = 0xa0000000;
 467         mi->bank[0].node = 0;
 468         mi->bank[0].size = (32*1024*1024);
 469 }
 470
 471 MACHINE_START(POODLE, "SHARP Poodle")
 472         .phys_io        = 0x40000000,
 473         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 474         .fixup          = fixup_poodle,
 475         .map_io         = pxa_map_io,
 476         .init_irq       = pxa25x_init_irq,
 477         .timer          = &pxa_timer,
 478         .init_machine   = poodle_init,
 479 MACHINE_END