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 /* LoCoMo device */
 162 static struct resource locomo_resources[] = {
 163         [0] = {
 164                 .start          = 0x10000000,
 165                 .end            = 0x10001fff,
 166                 .flags          = IORESOURCE_MEM,
 167         },
 168         [1] = {
 169                 .start          = IRQ_GPIO(10),
 170                 .end            = IRQ_GPIO(10),
 171                 .flags          = IORESOURCE_IRQ,
 172         },
 173 };
 174
 175 static struct locomo_platform_data locomo_info = {
 176         .irq_base       = IRQ_BOARD_START,
 177 };
 178
 179 struct platform_device poodle_locomo_device = {
 180         .name           = "locomo",
 181         .id             = 0,
 182         .num_resources  = ARRAY_SIZE(locomo_resources),
 183         .resource       = locomo_resources,
 184         .dev            = {
 185                 .platform_data  = &locomo_info,
 186         },
 187 };
 188
 189 EXPORT_SYMBOL(poodle_locomo_device);
 190
 191 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 192 static struct pxa2xx_spi_master poodle_spi_info = {
 193         .num_chipselect = 1,
 194 };
 195
 196 static struct ads7846_platform_data poodle_ads7846_info = {
 197         .model                  = 7846,
 198         .vref_delay_usecs       = 100,
 199         .x_plate_ohms           = 419,
 200         .y_plate_ohms           = 486,
 201         .gpio_pendown           = POODLE_GPIO_TP_INT,
 202 };
 203
 204 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
 205         .gpio_cs                = POODLE_GPIO_TP_CS,
 206 };
 207
 208 static struct spi_board_info poodle_spi_devices[] = {
 209         {
 210                 .modalias       = "ads7846",
 211                 .max_speed_hz   = 10000,
 212                 .bus_num        = 1,
 213                 .platform_data  = &poodle_ads7846_info,
 214                 .controller_data= &poodle_ads7846_chip,
 215                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
 216         },
 217 };
 218
 219 static void __init poodle_init_spi(void)
 220 {
 221         pxa2xx_set_spi_info(1, &poodle_spi_info);
 222         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 223 }
 224 #else
 225 static inline void poodle_init_spi(void) {}
 226 #endif
 227
 228 /*
 229  * MMC/SD Device
 230  *
 231  * The card detect interrupt isn't debounced so we delay it by 250ms
 232  * to give the card a chance to fully insert/eject.
 233  */
 234 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 235 {
 236         int err;
 237
 238         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 239         if (err)
 240                 goto err_free_2;
 241
 242         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 243         if (err)
 244                 goto err_free_3;
 245
 246         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 247         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 248
 249         return 0;
 250
 251 err_free_3:
 252         gpio_free(POODLE_GPIO_SD_PWR);
 253 err_free_2:
 254         return err;
 255 }
 256
 257 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 258 {
 259         struct pxamci_platform_data* p_d = dev->platform_data;
 260
 261         if ((1 << vdd) & p_d->ocr_mask) {
 262                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 263                 mdelay(2);
 264                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 265         } else {
 266                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 267                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 268         }
 269 }
 270
 271 static void poodle_mci_exit(struct device *dev, void *data)
 272 {
 273         gpio_free(POODLE_GPIO_SD_PWR1);
 274         gpio_free(POODLE_GPIO_SD_PWR);
 275 }
 276
 277 static struct pxamci_platform_data poodle_mci_platform_data = {
 278         .detect_delay_ms        = 250,
 279         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 280         .init                   = poodle_mci_init,
 281         .setpower               = poodle_mci_setpower,
 282         .exit                   = poodle_mci_exit,
 283         .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
 284         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
 285         .gpio_power             = -1,
 286 };
 287
 288
 289 /*
 290  * Irda
 291  */
 292 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 293         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 294         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 295 };
 296
 297
 298 /*
 299  * USB Device Controller
 300  */
 301 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 302         /* no connect GPIO; poodle can't tell connection status */
 303         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 304 };
 305
 306
 307 /* PXAFB device */
 308 static struct pxafb_mode_info poodle_fb_mode = {
 309         .pixclock       = 144700,
 310         .xres           = 320,
 311         .yres           = 240,
 312         .bpp            = 16,
 313         .hsync_len      = 7,
 314         .left_margin    = 11,
 315         .right_margin   = 30,
 316         .vsync_len      = 2,
 317         .upper_margin   = 2,
 318         .lower_margin   = 0,
 319         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 320 };
 321
 322 static struct pxafb_mach_info poodle_fb_info = {
 323         .modes          = &poodle_fb_mode,
 324         .num_modes      = 1,
 325         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 326 };
 327
 328 static struct mtd_partition sharpsl_nand_partitions[] = {
 329         {
 330                 .name = "System Area",
 331                 .offset = 0,
 332                 .size = 7 * 1024 * 1024,
 333         },
 334         {
 335                 .name = "Root Filesystem",
 336                 .offset = 7 * 1024 * 1024,
 337                 .size = 22 * 1024 * 1024,
 338         },
 339         {
 340                 .name = "Home Filesystem",
 341                 .offset = MTDPART_OFS_APPEND,
 342                 .size = MTDPART_SIZ_FULL,
 343         },
 344 };
 345
 346 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 347
 348 static struct nand_bbt_descr sharpsl_bbt = {
 349         .options = 0,
 350         .offs = 4,
 351         .len = 2,
 352         .pattern = scan_ff_pattern
 353 };
 354
 355 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 356         .badblock_pattern       = &sharpsl_bbt,
 357         .partitions             = sharpsl_nand_partitions,
 358         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 359 };
 360
 361 static struct resource sharpsl_nand_resources[] = {
 362         {
 363                 .start  = 0x0C000000,
 364                 .end    = 0x0C000FFF,
 365                 .flags  = IORESOURCE_MEM,
 366         },
 367 };
 368
 369 static struct platform_device sharpsl_nand_device = {
 370         .name           = "sharpsl-nand",
 371         .id             = -1,
 372         .resource       = sharpsl_nand_resources,
 373         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 374         .dev.platform_data      = &sharpsl_nand_platform_data,
 375 };
 376
 377 static struct mtd_partition sharpsl_rom_parts[] = {
 378         {
 379                 .name   ="Boot PROM Filesystem",
 380                 .offset = 0x00120000,
 381                 .size   = MTDPART_SIZ_FULL,
 382         },
 383 };
 384
 385 static struct physmap_flash_data sharpsl_rom_data = {
 386         .width          = 2,
 387         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 388         .parts          = sharpsl_rom_parts,
 389 };
 390
 391 static struct resource sharpsl_rom_resources[] = {
 392         {
 393                 .start  = 0x00000000,
 394                 .end    = 0x007fffff,
 395                 .flags  = IORESOURCE_MEM,
 396         },
 397 };
 398
 399 static struct platform_device sharpsl_rom_device = {
 400         .name   = "physmap-flash",
 401         .id     = -1,
 402         .resource = sharpsl_rom_resources,
 403         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 404         .dev.platform_data = &sharpsl_rom_data,
 405 };
 406
 407 static struct platform_device *devices[] __initdata = {
 408         &poodle_locomo_device,
 409         &poodle_scoop_device,
 410         &sharpsl_nand_device,
 411         &sharpsl_rom_device,
 412 };
 413
 414 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 415         { I2C_BOARD_INFO("wm8731", 0x1b) },
 416 };
 417
 418 static void poodle_poweroff(void)
 419 {
 420         arm_machine_restart('h', NULL);
 421 }
 422
 423 static void poodle_restart(char mode, const char *cmd)
 424 {
 425         arm_machine_restart('h', cmd);
 426 }
 427
 428 static void __init poodle_init(void)
 429 {
 430         int ret = 0;
 431
 432         pm_power_off = poodle_poweroff;
 433         arm_pm_restart = poodle_restart;
 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 MACHINE_END