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         GPIO58_LCD_LDD_0,
  95         GPIO59_LCD_LDD_1,
  96         GPIO60_LCD_LDD_2,
  97         GPIO61_LCD_LDD_3,
  98         GPIO62_LCD_LDD_4,
  99         GPIO63_LCD_LDD_5,
 100         GPIO64_LCD_LDD_6,
 101         GPIO65_LCD_LDD_7,
 102         GPIO66_LCD_LDD_8,
 103         GPIO67_LCD_LDD_9,
 104         GPIO68_LCD_LDD_10,
 105         GPIO69_LCD_LDD_11,
 106         GPIO70_LCD_LDD_12,
 107         GPIO71_LCD_LDD_13,
 108         GPIO72_LCD_LDD_14,
 109         GPIO73_LCD_LDD_15,
 110         GPIO74_LCD_FCLK,
 111         GPIO75_LCD_LCLK,
 112         GPIO76_LCD_PCLK,
 113         GPIO77_LCD_BIAS,
 114
 115         /* PC Card */
 116         GPIO48_nPOE,
 117         GPIO49_nPWE,
 118         GPIO50_nPIOR,
 119         GPIO51_nPIOW,
 120         GPIO52_nPCE_1,
 121         GPIO53_nPCE_2,
 122         GPIO54_nPSKTSEL,
 123         GPIO55_nPREG,
 124         GPIO56_nPWAIT,
 125         GPIO57_nIOIS16,
 126
 127         /* MMC */
 128         GPIO6_MMC_CLK,
 129         GPIO8_MMC_CS0,
 130
 131         /* GPIO */
 132         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 133         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 134         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 135         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 136
 137         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 138         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 139 };
 140
 141 static struct resource poodle_scoop_resources[] = {
 142         [0] = {
 143                 .start          = 0x10800000,
 144                 .end            = 0x10800fff,
 145                 .flags          = IORESOURCE_MEM,
 146         },
 147 };
 148
 149 static struct scoop_config poodle_scoop_setup = {
 150         .io_dir         = POODLE_SCOOP_IO_DIR,
 151         .io_out         = POODLE_SCOOP_IO_OUT,
 152         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
 153 };
 154
 155 struct platform_device poodle_scoop_device = {
 156         .name           = "sharp-scoop",
 157         .id             = -1,
 158         .dev            = {
 159                 .platform_data  = &poodle_scoop_setup,
 160         },
 161         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 162         .resource       = poodle_scoop_resources,
 163 };
 164
 165 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 166 {
 167         .dev        = &poodle_scoop_device.dev,
 168         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 169         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 170         .cd_irq_str = "PCMCIA0 CD",
 171 },
 172 };
 173
 174 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 175         .devs         = &poodle_pcmcia_scoop[0],
 176         .num_devs     = 1,
 177 };
 178
 179 EXPORT_SYMBOL(poodle_scoop_device);
 180
 181
 182 /* LoCoMo device */
 183 static struct resource locomo_resources[] = {
 184         [0] = {
 185                 .start          = 0x10000000,
 186                 .end            = 0x10001fff,
 187                 .flags          = IORESOURCE_MEM,
 188         },
 189         [1] = {
 190                 .start          = IRQ_GPIO(10),
 191                 .end            = IRQ_GPIO(10),
 192                 .flags          = IORESOURCE_IRQ,
 193         },
 194 };
 195
 196 struct platform_device poodle_locomo_device = {
 197         .name           = "locomo",
 198         .id             = 0,
 199         .num_resources  = ARRAY_SIZE(locomo_resources),
 200         .resource       = locomo_resources,
 201 };
 202
 203 EXPORT_SYMBOL(poodle_locomo_device);
 204
 205 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 206 static struct pxa2xx_spi_master poodle_spi_info = {
 207         .num_chipselect = 1,
 208 };
 209
 210 static struct ads7846_platform_data poodle_ads7846_info = {
 211         .model                  = 7846,
 212         .vref_delay_usecs       = 100,
 213         .x_plate_ohms           = 419,
 214         .y_plate_ohms           = 486,
 215         .gpio_pendown           = POODLE_GPIO_TP_INT,
 216 };
 217
 218 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
 219         .gpio_cs                = POODLE_GPIO_TP_CS,
 220 };
 221
 222 static struct spi_board_info poodle_spi_devices[] = {
 223         {
 224                 .modalias       = "ads7846",
 225                 .max_speed_hz   = 10000,
 226                 .bus_num        = 1,
 227                 .platform_data  = &poodle_ads7846_info,
 228                 .controller_data= &poodle_ads7846_chip,
 229                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
 230         },
 231 };
 232
 233 static void __init poodle_init_spi(void)
 234 {
 235         pxa2xx_set_spi_info(1, &poodle_spi_info);
 236         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 237 }
 238 #else
 239 static inline void poodle_init_spi(void) {}
 240 #endif
 241
 242 /*
 243  * MMC/SD Device
 244  *
 245  * The card detect interrupt isn't debounced so we delay it by 250ms
 246  * to give the card a chance to fully insert/eject.
 247  */
 248 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 249 {
 250         int err;
 251
 252         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 253         if (err)
 254                 goto err_free_2;
 255
 256         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 257         if (err)
 258                 goto err_free_3;
 259
 260         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 261         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 262
 263         return 0;
 264
 265 err_free_3:
 266         gpio_free(POODLE_GPIO_SD_PWR);
 267 err_free_2:
 268         return err;
 269 }
 270
 271 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 272 {
 273         struct pxamci_platform_data* p_d = dev->platform_data;
 274
 275         if ((1 << vdd) & p_d->ocr_mask) {
 276                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 277                 mdelay(2);
 278                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 279         } else {
 280                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 281                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 282         }
 283 }
 284
 285 static void poodle_mci_exit(struct device *dev, void *data)
 286 {
 287         gpio_free(POODLE_GPIO_SD_PWR1);
 288         gpio_free(POODLE_GPIO_SD_PWR);
 289 }
 290
 291 static struct pxamci_platform_data poodle_mci_platform_data = {
 292         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 293         .init                   = poodle_mci_init,
 294         .setpower               = poodle_mci_setpower,
 295         .exit                   = poodle_mci_exit,
 296         .gpio_card_detect       = POODLE_IRQ_GPIO_nSD_DETECT,
 297         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
 298         .gpio_power             = -1,
 299 };
 300
 301
 302 /*
 303  * Irda
 304  */
 305 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 306         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 307         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 308 };
 309
 310
 311 /*
 312  * USB Device Controller
 313  */
 314 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 315         /* no connect GPIO; poodle can't tell connection status */
 316         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 317 };
 318
 319
 320 /* PXAFB device */
 321 static struct pxafb_mode_info poodle_fb_mode = {
 322         .pixclock       = 144700,
 323         .xres           = 320,
 324         .yres           = 240,
 325         .bpp            = 16,
 326         .hsync_len      = 7,
 327         .left_margin    = 11,
 328         .right_margin   = 30,
 329         .vsync_len      = 2,
 330         .upper_margin   = 2,
 331         .lower_margin   = 0,
 332         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 333 };
 334
 335 static struct pxafb_mach_info poodle_fb_info = {
 336         .modes          = &poodle_fb_mode,
 337         .num_modes      = 1,
 338         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 339 };
 340
 341 static struct mtd_partition sharpsl_nand_partitions[] = {
 342         {
 343                 .name = "System Area",
 344                 .offset = 0,
 345                 .size = 7 * 1024 * 1024,
 346         },
 347         {
 348                 .name = "Root Filesystem",
 349                 .offset = 7 * 1024 * 1024,
 350                 .size = 22 * 1024 * 1024,
 351         },
 352         {
 353                 .name = "Home Filesystem",
 354                 .offset = MTDPART_OFS_APPEND,
 355                 .size = MTDPART_SIZ_FULL,
 356         },
 357 };
 358
 359 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 360
 361 static struct nand_bbt_descr sharpsl_bbt = {
 362         .options = 0,
 363         .offs = 4,
 364         .len = 2,
 365         .pattern = scan_ff_pattern
 366 };
 367
 368 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 369         .badblock_pattern       = &sharpsl_bbt,
 370         .partitions             = sharpsl_nand_partitions,
 371         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 372 };
 373
 374 static struct resource sharpsl_nand_resources[] = {
 375         {
 376                 .start  = 0x0C000000,
 377                 .end    = 0x0C000FFF,
 378                 .flags  = IORESOURCE_MEM,
 379         },
 380 };
 381
 382 static struct platform_device sharpsl_nand_device = {
 383         .name           = "sharpsl-nand",
 384         .id             = -1,
 385         .resource       = sharpsl_nand_resources,
 386         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 387         .dev.platform_data      = &sharpsl_nand_platform_data,
 388 };
 389
 390 static struct mtd_partition sharpsl_rom_parts[] = {
 391         {
 392                 .name   ="Boot PROM Filesystem",
 393                 .offset = 0x00120000,
 394                 .size   = MTDPART_SIZ_FULL,
 395         },
 396 };
 397
 398 static struct physmap_flash_data sharpsl_rom_data = {
 399         .width          = 2,
 400         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 401         .parts          = sharpsl_rom_parts,
 402 };
 403
 404 static struct resource sharpsl_rom_resources[] = {
 405         {
 406                 .start  = 0x00000000,
 407                 .end    = 0x007fffff,
 408                 .flags  = IORESOURCE_MEM,
 409         },
 410 };
 411
 412 static struct platform_device sharpsl_rom_device = {
 413         .name   = "physmap-flash",
 414         .id     = -1,
 415         .resource = sharpsl_rom_resources,
 416         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 417         .dev.platform_data = &sharpsl_rom_data,
 418 };
 419
 420 static struct platform_device *devices[] __initdata = {
 421         &poodle_locomo_device,
 422         &poodle_scoop_device,
 423         &sharpsl_nand_device,
 424         &sharpsl_rom_device,
 425 };
 426
 427 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 428         { I2C_BOARD_INFO("wm8731", 0x1b) },
 429 };
 430
 431 static void poodle_poweroff(void)
 432 {
 433         arm_machine_restart('h', NULL);
 434 }
 435
 436 static void poodle_restart(char mode, const char *cmd)
 437 {
 438         arm_machine_restart('h', cmd);
 439 }
 440
 441 static void __init poodle_init(void)
 442 {
 443         int ret = 0;
 444
 445         pm_power_off = poodle_poweroff;
 446         arm_pm_restart = poodle_restart;
 447
 448         PCFR |= PCFR_OPDE;
 449
 450         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 451
 452         platform_scoop_config = &poodle_pcmcia_config;
 453
 454         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 455         if (ret)
 456                 pr_warning("poodle: Unable to register LoCoMo device\n");
 457
 458         set_pxa_fb_parent(&poodle_locomo_device.dev);
 459         set_pxa_fb_info(&poodle_fb_info);
 460         pxa_set_udc_info(&udc_info);
 461         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 462         pxa_set_mci_info(&poodle_mci_platform_data);
 463         pxa_set_ficp_info(&poodle_ficp_platform_data);
 464         pxa_set_i2c_info(NULL);
 465         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
 466         poodle_init_spi();
 467 }
 468
 469 static void __init fixup_poodle(struct machine_desc *desc,
 470                 struct tag *tags, char **cmdline, struct meminfo *mi)
 471 {
 472         sharpsl_save_param();
 473         mi->nr_banks=1;
 474         mi->bank[0].start = 0xa0000000;
 475         mi->bank[0].node = 0;
 476         mi->bank[0].size = (32*1024*1024);
 477 }
 478
 479 MACHINE_START(POODLE, "SHARP Poodle")
 480         .phys_io        = 0x40000000,
 481         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 482         .fixup          = fixup_poodle,
 483         .map_io         = pxa_map_io,
 484         .init_irq       = pxa25x_init_irq,
 485         .timer          = &pxa_timer,
 486         .init_machine   = poodle_init,
 487 MACHINE_END