git.oblomov.eu Git - linux-2.6/blob - 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/gpio.h>
  24
  25 #include <mach/hardware.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/irq.h>
  28 #include <asm/setup.h>
  29 #include <asm/system.h>
  30
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33 #include <asm/mach/irq.h>
  34
  35 #include <mach/pxa-regs.h>
  36 #include <mach/pxa2xx-regs.h>
  37 #include <mach/mfp-pxa25x.h>
  38 #include <mach/mmc.h>
  39 #include <mach/udc.h>
  40 #include <mach/i2c.h>
  41 #include <mach/irda.h>
  42 #include <mach/poodle.h>
  43 #include <mach/pxafb.h>
  44 #include <mach/sharpsl.h>
  45 #include <mach/ssp.h>
  46
  47 #include <asm/hardware/scoop.h>
  48 #include <asm/hardware/locomo.h>
  49 #include <asm/mach/sharpsl_param.h>
  50
  51 #include "generic.h"
  52 #include "devices.h"
  53 #include "sharpsl.h"
  54
  55 static unsigned long poodle_pin_config[] __initdata = {
  56         /* I/O */
  57         GPIO79_nCS_3,
  58         GPIO80_nCS_4,
  59         GPIO18_RDY,
  60
  61         /* Clock */
  62         GPIO12_32KHz,
  63
  64         /* SSP1 */
  65         GPIO23_SSP1_SCLK,
  66         GPIO24_SSP1_SFRM,
  67         GPIO25_SSP1_TXD,
  68         GPIO26_SSP1_RXD,
  69
  70         /* I2S */
  71         GPIO28_I2S_BITCLK_OUT,
  72         GPIO29_I2S_SDATA_IN,
  73         GPIO30_I2S_SDATA_OUT,
  74         GPIO31_I2S_SYNC,
  75         GPIO32_I2S_SYSCLK,
  76
  77         /* Infra-Red */
  78         GPIO47_FICP_TXD,
  79         GPIO46_FICP_RXD,
  80
  81         /* FFUART */
  82         GPIO40_FFUART_DTR,
  83         GPIO41_FFUART_RTS,
  84         GPIO39_FFUART_TXD,
  85         GPIO37_FFUART_DSR,
  86         GPIO34_FFUART_RXD,
  87         GPIO35_FFUART_CTS,
  88
  89         /* LCD */
  90         GPIO58_LCD_LDD_0,
  91         GPIO59_LCD_LDD_1,
  92         GPIO60_LCD_LDD_2,
  93         GPIO61_LCD_LDD_3,
  94         GPIO62_LCD_LDD_4,
  95         GPIO63_LCD_LDD_5,
  96         GPIO64_LCD_LDD_6,
  97         GPIO65_LCD_LDD_7,
  98         GPIO66_LCD_LDD_8,
  99         GPIO67_LCD_LDD_9,
 100         GPIO68_LCD_LDD_10,
 101         GPIO69_LCD_LDD_11,
 102         GPIO70_LCD_LDD_12,
 103         GPIO71_LCD_LDD_13,
 104         GPIO72_LCD_LDD_14,
 105         GPIO73_LCD_LDD_15,
 106         GPIO74_LCD_FCLK,
 107         GPIO75_LCD_LCLK,
 108         GPIO76_LCD_PCLK,
 109         GPIO77_LCD_ACBIAS,
 110
 111         /* PC Card */
 112         GPIO48_nPOE,
 113         GPIO49_nPWE,
 114         GPIO50_nPIOR,
 115         GPIO51_nPIOW,
 116         GPIO52_nPCE_1,
 117         GPIO53_nPCE_2,
 118         GPIO54_nPSKTSEL,
 119         GPIO55_nPREG,
 120         GPIO56_nPWAIT,
 121         GPIO57_nIOIS16,
 122
 123         /* MMC */
 124         GPIO6_MMC_CLK,
 125         GPIO8_MMC_CS0,
 126
 127         /* GPIO */
 128         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 129         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 130         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 131         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 132
 133         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 134         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 135 };
 136
 137 static struct resource poodle_scoop_resources[] = {
 138         [0] = {
 139                 .start          = 0x10800000,
 140                 .end            = 0x10800fff,
 141                 .flags          = IORESOURCE_MEM,
 142         },
 143 };
 144
 145 static struct scoop_config poodle_scoop_setup = {
 146         .io_dir         = POODLE_SCOOP_IO_DIR,
 147         .io_out         = POODLE_SCOOP_IO_OUT,
 148 };
 149
 150 struct platform_device poodle_scoop_device = {
 151         .name           = "sharp-scoop",
 152         .id             = -1,
 153         .dev            = {
 154                 .platform_data  = &poodle_scoop_setup,
 155         },
 156         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 157         .resource       = poodle_scoop_resources,
 158 };
 159
 160 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 161 {
 162         .dev        = &poodle_scoop_device.dev,
 163         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 164         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 165         .cd_irq_str = "PCMCIA0 CD",
 166 },
 167 };
 168
 169 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 170         .devs         = &poodle_pcmcia_scoop[0],
 171         .num_devs     = 1,
 172 };
 173
 174 EXPORT_SYMBOL(poodle_scoop_device);
 175
 176
 177 /* LoCoMo device */
 178 static struct resource locomo_resources[] = {
 179         [0] = {
 180                 .start          = 0x10000000,
 181                 .end            = 0x10001fff,
 182                 .flags          = IORESOURCE_MEM,
 183         },
 184         [1] = {
 185                 .start          = IRQ_GPIO(10),
 186                 .end            = IRQ_GPIO(10),
 187                 .flags          = IORESOURCE_IRQ,
 188         },
 189 };
 190
 191 struct platform_device poodle_locomo_device = {
 192         .name           = "locomo",
 193         .id             = 0,
 194         .num_resources  = ARRAY_SIZE(locomo_resources),
 195         .resource       = locomo_resources,
 196 };
 197
 198 EXPORT_SYMBOL(poodle_locomo_device);
 199
 200 /*
 201  * Poodle SSP Device
 202  */
 203
 204 struct platform_device poodle_ssp_device = {
 205         .name           = "corgi-ssp",
 206         .id             = -1,
 207 };
 208
 209 struct corgissp_machinfo poodle_ssp_machinfo = {
 210         .port           = 1,
 211         .cs_lcdcon      = -1,
 212         .cs_ads7846     = -1,
 213         .cs_max1111     = -1,
 214         .clk_lcdcon     = 2,
 215         .clk_ads7846    = 36,
 216         .clk_max1111    = 2,
 217 };
 218
 219
 220 /*
 221  * Poodle Touch Screen Device
 222  */
 223 static struct resource poodlets_resources[] = {
 224         [0] = {
 225                 .start          = POODLE_IRQ_GPIO_TP_INT,
 226                 .end            = POODLE_IRQ_GPIO_TP_INT,
 227                 .flags          = IORESOURCE_IRQ,
 228         },
 229 };
 230
 231 static unsigned long poodle_get_hsync_invperiod(void)
 232 {
 233         return 0;
 234 }
 235
 236 static void poodle_null_hsync(void)
 237 {
 238 }
 239
 240 static struct corgits_machinfo  poodle_ts_machinfo = {
 241         .get_hsync_invperiod    = poodle_get_hsync_invperiod,
 242         .put_hsync              = poodle_null_hsync,
 243         .wait_hsync             = poodle_null_hsync,
 244 };
 245
 246 static struct platform_device poodle_ts_device = {
 247         .name           = "corgi-ts",
 248         .dev            = {
 249                 .platform_data  = &poodle_ts_machinfo,
 250         },
 251         .id             = -1,
 252         .num_resources  = ARRAY_SIZE(poodlets_resources),
 253         .resource       = poodlets_resources,
 254 };
 255
 256
 257 /*
 258  * MMC/SD Device
 259  *
 260  * The card detect interrupt isn't debounced so we delay it by 250ms
 261  * to give the card a chance to fully insert/eject.
 262  */
 263 static struct pxamci_platform_data poodle_mci_platform_data;
 264
 265 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 266 {
 267         int err;
 268
 269         err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
 270         if (err)
 271                 goto err_out;
 272
 273         err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
 274         if (err)
 275                 goto err_free_1;
 276
 277         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 278         if (err)
 279                 goto err_free_2;
 280
 281         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 282         if (err)
 283                 goto err_free_3;
 284
 285         gpio_direction_input(POODLE_GPIO_nSD_DETECT);
 286         gpio_direction_input(POODLE_GPIO_nSD_WP);
 287
 288         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 289         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 290
 291         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 292
 293         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
 294                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 295                           "MMC card detect", data);
 296         if (err) {
 297                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 298                                 __func__);
 299                 goto err_free_4;
 300         }
 301
 302         return 0;
 303
 304 err_free_4:
 305         gpio_free(POODLE_GPIO_SD_PWR1);
 306 err_free_3:
 307         gpio_free(POODLE_GPIO_SD_PWR);
 308 err_free_2:
 309         gpio_free(POODLE_GPIO_nSD_WP);
 310 err_free_1:
 311         gpio_free(POODLE_GPIO_nSD_DETECT);
 312 err_out:
 313         return err;
 314 }
 315
 316 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 317 {
 318         struct pxamci_platform_data* p_d = dev->platform_data;
 319
 320         if ((1 << vdd) & p_d->ocr_mask) {
 321                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 322                 mdelay(2);
 323                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 324         } else {
 325                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 326                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 327         }
 328 }
 329
 330 static int poodle_mci_get_ro(struct device *dev)
 331 {
 332         return !!gpio_get_value(POODLE_GPIO_nSD_WP);
 333         return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
 334 }
 335
 336
 337 static void poodle_mci_exit(struct device *dev, void *data)
 338 {
 339         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
 340         gpio_free(POODLE_GPIO_SD_PWR1);
 341         gpio_free(POODLE_GPIO_SD_PWR);
 342         gpio_free(POODLE_GPIO_nSD_WP);
 343         gpio_free(POODLE_GPIO_nSD_DETECT);
 344 }
 345
 346 static struct pxamci_platform_data poodle_mci_platform_data = {
 347         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 348         .init           = poodle_mci_init,
 349         .get_ro         = poodle_mci_get_ro,
 350         .setpower       = poodle_mci_setpower,
 351         .exit           = poodle_mci_exit,
 352 };
 353
 354
 355 /*
 356  * Irda
 357  */
 358 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
 359 {
 360         gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
 361         pxa2xx_transceiver_mode(dev, mode);
 362 }
 363
 364 static int poodle_irda_startup(struct device *dev)
 365 {
 366         int err;
 367
 368         err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
 369         if (err)
 370                 return err;
 371
 372         gpio_direction_output(POODLE_GPIO_IR_ON, 1);
 373         return 0;
 374 }
 375
 376 static void poodle_irda_shutdown(struct device *dev)
 377 {
 378         gpio_free(POODLE_GPIO_IR_ON);
 379 }
 380
 381 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 382         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 383         .transceiver_mode       = poodle_irda_transceiver_mode,
 384         .startup                = poodle_irda_startup,
 385         .shutdown               = poodle_irda_shutdown,
 386 };
 387
 388
 389 /*
 390  * USB Device Controller
 391  */
 392 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 393         /* no connect GPIO; poodle can't tell connection status */
 394         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 395 };
 396
 397
 398 /* PXAFB device */
 399 static struct pxafb_mode_info poodle_fb_mode = {
 400         .pixclock       = 144700,
 401         .xres           = 320,
 402         .yres           = 240,
 403         .bpp            = 16,
 404         .hsync_len      = 7,
 405         .left_margin    = 11,
 406         .right_margin   = 30,
 407         .vsync_len      = 2,
 408         .upper_margin   = 2,
 409         .lower_margin   = 0,
 410         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 411 };
 412
 413 static struct pxafb_mach_info poodle_fb_info = {
 414         .modes          = &poodle_fb_mode,
 415         .num_modes      = 1,
 416         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 417 };
 418
 419 static struct platform_device *devices[] __initdata = {
 420         &poodle_locomo_device,
 421         &poodle_scoop_device,
 422         &poodle_ssp_device,
 423         &poodle_ts_device,
 424 };
 425
 426 static void poodle_poweroff(void)
 427 {
 428         arm_machine_restart('h');
 429 }
 430
 431 static void poodle_restart(char mode)
 432 {
 433         arm_machine_restart('h');
 434 }
 435
 436 static void __init poodle_init(void)
 437 {
 438         int ret = 0;
 439
 440         pm_power_off = poodle_poweroff;
 441         arm_pm_restart = poodle_restart;
 442
 443         PCFR |= PCFR_OPDE;
 444
 445         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 446
 447         platform_scoop_config = &poodle_pcmcia_config;
 448         corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
 449
 450         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 451         if (ret)
 452                 pr_warning("poodle: Unable to register LoCoMo device\n");
 453
 454         set_pxa_fb_parent(&poodle_locomo_device.dev);
 455         set_pxa_fb_info(&poodle_fb_info);
 456         pxa_set_udc_info(&udc_info);
 457         pxa_set_mci_info(&poodle_mci_platform_data);
 458         pxa_set_ficp_info(&poodle_ficp_platform_data);
 459         pxa_set_i2c_info(NULL);
 460 }
 461
 462 static void __init fixup_poodle(struct machine_desc *desc,
 463                 struct tag *tags, char **cmdline, struct meminfo *mi)
 464 {
 465         sharpsl_save_param();
 466         mi->nr_banks=1;
 467         mi->bank[0].start = 0xa0000000;
 468         mi->bank[0].node = 0;
 469         mi->bank[0].size = (32*1024*1024);
 470 }
 471
 472 MACHINE_START(POODLE, "SHARP Poodle")
 473         .phys_io        = 0x40000000,
 474         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 475         .fixup          = fixup_poodle,
 476         .map_io         = pxa_map_io,
 477         .init_irq       = pxa25x_init_irq,
 478         .timer          = &pxa_timer,
 479         .init_machine   = poodle_init,
 480 MACHINE_END