arch/arm/mach-omap2/board-omap3pandora.c

   1 /*
   2  * board-omap3pandora.c (Pandora Handheld Console)
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  16  * 02110-1301 USA
  17  *
  18  */
  19
  20 #include <linux/clk.h>
  21 #include <linux/delay.h>
  22 #include <linux/err.h>
  23 #include <linux/init.h>
  24 #include <linux/io.h>
  25 #include <linux/kernel.h>
  26 #include <linux/platform_device.h>
  27
  28 #include <linux/spi/spi.h>
  29 #include <linux/spi/ads7846.h>
  30 #include <linux/i2c/twl4030.h>
  31 #include <linux/i2c/vsense.h>
  32 #include <linux/leds.h>
  33
  34 #include <linux/mtd/mtd.h>
  35 #include <linux/mtd/nand.h>
  36 #include <linux/mtd/partitions.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/flash.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <mach/board.h>
  44 #include <mach/common.h>
  45 #include <mach/gpio.h>
  46 #include <mach/gpmc.h>
  47 #include <mach/hardware.h>
  48 #include <mach/hsmmc.h>
  49 #include <mach/nand.h>
  50 #include <mach/usb-ehci.h>
  51 #include <mach/usb-musb.h>
  52 #include <mach/mcspi.h>
  53 #include <mach/display.h>
  54
  55 #include "sdram-micron-mt46h32m32lf-6.h"
  56
  57 #define NAND_BLOCK_SIZE SZ_128K
  58 #define GPMC_CS0_BASE  0x60
  59 #define GPMC_CS_SIZE   0x30
  60
  61 static struct mtd_partition omap3pandora_nand_partitions[] = {
  62         {
  63                 .name           = "xloader",
  64                 .offset         = 0,                    /* Offset = 0x00000 */
  65                 .size           = 4 * NAND_BLOCK_SIZE,
  66                 .mask_flags     = MTD_WRITEABLE
  67         }, {
  68                 .name           = "uboot",
  69                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
  70                 .size           = 14 * NAND_BLOCK_SIZE,
  71         }, {
  72                 .name           = "uboot environment",
  73                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
  74                 .size           = 2 * NAND_BLOCK_SIZE,
  75         }, {
  76                 .name           = "linux",
  77                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
  78                 .size           = 32 * NAND_BLOCK_SIZE,
  79         }, {
  80                 .name           = "rootfs",
  81                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
  82                 .size           = MTDPART_SIZ_FULL,
  83         },
  84 };
  85
  86 static struct omap_nand_platform_data omap3pandora_nand_data = {
  87         .parts          = omap3pandora_nand_partitions,
  88         .nr_parts       = ARRAY_SIZE(omap3pandora_nand_partitions),
  89         .dma_channel    = -1,   /* disable DMA in OMAP NAND driver */
  90 };
  91
  92 static struct resource omap3pandora_nand_resource[] = {
  93         {
  94                 .flags          = IORESOURCE_MEM,
  95         },
  96 };
  97
  98 static struct platform_device omap3pandora_nand_device = {
  99         .name           = "omap2-nand",
 100         .id             = -1,
 101         .dev            = {
 102                 .platform_data  = &omap3pandora_nand_data,
 103         },
 104         .num_resources  = ARRAY_SIZE(omap3pandora_nand_resource),
 105         .resource       = omap3pandora_nand_resource,
 106 };
 107
 108 static void __init omap3pandora_flash_init(void)
 109 {
 110         u8 cs = 0;
 111         u8 nandcs = GPMC_CS_NUM + 1;
 112
 113         u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
 114
 115         /* find out the chip-select on which NAND exists */
 116         while (cs < GPMC_CS_NUM) {
 117                 u32 ret = 0;
 118                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 119
 120                 if ((ret & 0xC00) == 0x800) {
 121                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 122                         if (nandcs > GPMC_CS_NUM)
 123                                 nandcs = cs;
 124                 }
 125                 cs++;
 126         }
 127
 128         if (nandcs > GPMC_CS_NUM) {
 129                 printk(KERN_INFO "NAND: Unable to find configuration "
 130                                  "in GPMC\n ");
 131                 return;
 132         }
 133
 134         if (nandcs < GPMC_CS_NUM) {
 135                 omap3pandora_nand_data.cs = nandcs;
 136                 omap3pandora_nand_data.gpmc_cs_baseaddr = (void *)
 137                         (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
 138                 omap3pandora_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
 139
 140                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 141                 if (platform_device_register(&omap3pandora_nand_device) < 0)
 142                         printk(KERN_ERR "Unable to register NAND device\n");
 143         }
 144 }
 145
 146 static struct omap_uart_config omap3pandora_uart_config __initdata = {
 147         .enabled_uarts  = (1 << 2), /* UART3 */
 148 };
 149
 150 static struct gpio_led omap3pandora_gpio_leds[] = {
 151         {
 152                 .name                   = "pandora::keypad_bl",
 153                 .gpio                   = -EINVAL,      /* gets replaced */
 154                 .active_low             = true,
 155         }, {
 156                 .name                   = "pandora::power",
 157                 .default_trigger        = "default-on",
 158                 .gpio                   = -EINVAL,
 159                 .active_low             = true,
 160         }, {
 161                 .name                   = "pandora::charger",
 162                 .gpio                   = -EINVAL,
 163         }, {
 164                 .name                   = "pandora::sd1",
 165                 .default_trigger        = "mmc0",
 166                 .gpio                   = 128,
 167         }, {
 168                 .name                   = "pandora::sd2",
 169                 .default_trigger        = "mmc1",
 170                 .gpio                   = 129,
 171         }, {
 172                 .name                   = "pandora::bluetooth",
 173                 .default_trigger        = "bluetooth",
 174                 .gpio                   = 158,
 175         }, {
 176                 .name                   = "pandora::wifi",
 177                 .gpio                   = 159,
 178         },
 179 };
 180
 181 static struct gpio_led_platform_data omap3pandora_gpio_led_data = {
 182         .leds           = omap3pandora_gpio_leds,
 183         .num_leds       = ARRAY_SIZE(omap3pandora_gpio_leds),
 184 };
 185
 186 static struct platform_device omap3pandora_leds_gpio = {
 187         .name   = "leds-gpio",
 188         .id     = -1,
 189         .dev    = {
 190                 .platform_data  = &omap3pandora_gpio_led_data,
 191         },
 192 };
 193
 194 static struct platform_device omap3pandora_bl = {
 195         .name   = "twl4030-pwm0-bl",
 196         .id     = -1,
 197 };
 198
 199 static int omap3pandora_twl_gpio_setup(struct device *dev,
 200                 unsigned gpio, unsigned ngpio)
 201 {
 202         /* TWL4030_GPIO_MAX + 0 == ledA, KEYPAD_BACKLIGHT (out, active low) */
 203         omap3pandora_gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 0;
 204
 205         /* TWL4030_GPIO_MAX + 1 == ledB, POWER_LED (out, active low) */
 206         omap3pandora_gpio_leds[1].gpio = gpio + TWL4030_GPIO_MAX + 1;
 207
 208         /* gpio + 7 is PWM1, CHARGER_LED */
 209         omap3pandora_gpio_leds[2].gpio = gpio + 7;
 210
 211         return 0;
 212 }
 213
 214 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
 215         .gpio_base      = OMAP_MAX_GPIO_LINES,
 216         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 217         .irq_end        = TWL4030_GPIO_IRQ_END,
 218         .use_leds       = true,
 219         .setup          = omap3pandora_twl_gpio_setup,
 220 };
 221
 222 static struct twl4030_usb_data omap3pandora_usb_data = {
 223         .usb_mode       = T2_USB_MODE_ULPI,
 224 };
 225
 226 static struct twl4030_platform_data omap3pandora_twldata = {
 227         .irq_base       = TWL4030_IRQ_BASE,
 228         .irq_end        = TWL4030_IRQ_END,
 229         .gpio           = &omap3pandora_gpio_data,
 230         .usb            = &omap3pandora_usb_data,
 231         .keypad         = &omap3pandora_kp_data,
 232 };
 233
 234 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
 235         {
 236                 I2C_BOARD_INFO("twl4030", 0x48),
 237                 .flags = I2C_CLIENT_WAKE,
 238                 .irq = INT_34XX_SYS_NIRQ,
 239                 .platform_data = &omap3pandora_twldata,
 240         },
 241 };
 242
 243 static struct vsense_platform_data omap3pandora_nub1_data = {
 244         .gpio_irq       = 161,
 245         .gpio_reset     = 156,
 246 };
 247
 248 static struct vsense_platform_data omap3pandora_nub2_data = {
 249         .gpio_irq       = 162,
 250         .gpio_reset     = 156,
 251 };
 252
 253 static struct i2c_board_info __initdata omap3pandora_i2c_vsense[] = {
 254         {
 255                 I2C_BOARD_INFO("vsense", 0x66),
 256                 .flags = I2C_CLIENT_WAKE,
 257                 .platform_data = &omap3pandora_nub1_data,
 258         }, {
 259                 I2C_BOARD_INFO("vsense", 0x67),
 260                 .flags = I2C_CLIENT_WAKE,
 261                 .platform_data = &omap3pandora_nub2_data,
 262         },
 263 };
 264
 265 static int __init omap3pandora_i2c_init(void)
 266 {
 267         omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
 268                         ARRAY_SIZE(omap3pandora_i2c_boardinfo));
 269         /* i2c2 pins are not connected */
 270         omap_register_i2c_bus(3, 400, omap3pandora_i2c_vsense,
 271                         ARRAY_SIZE(omap3pandora_i2c_vsense));
 272         return 0;
 273 }
 274
 275 static void __init omap3pandora_init_irq(void)
 276 {
 277         omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
 278         omap_init_irq();
 279         omap_gpio_init();
 280 }
 281
 282 static void __init omap3pandora_ads7846_init(void)
 283 {
 284         int gpio = OMAP3_PANDORA_TS_GPIO;
 285         int ret;
 286
 287         ret = gpio_request(gpio, "ads7846_pen_down");
 288         if (ret < 0) {
 289                 printk(KERN_ERR "Failed to request GPIO %d for "
 290                                 "ads7846 pen down IRQ\n", gpio);
 291                 return;
 292         }
 293
 294         gpio_direction_input(gpio);
 295 }
 296
 297 static int ads7846_get_pendown_state(void)
 298 {
 299         return !omap_get_gpio_datain(OMAP3_PANDORA_TS_GPIO);
 300 }
 301
 302 static struct ads7846_platform_data ads7846_config = {
 303         .x_max                  = 0x0fff,
 304         .y_max                  = 0x0fff,
 305         .x_plate_ohms           = 180,
 306         .pressure_max           = 255,
 307         .debounce_max           = 10,
 308         .debounce_tol           = 3,
 309         .debounce_rep           = 1,
 310         .get_pendown_state      = ads7846_get_pendown_state,
 311         .keep_vref_on           = 1,
 312 };
 313
 314 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 315         .turbo_mode     = 0,
 316         .single_channel = 1,  /* 0: slave, 1: master */
 317 };
 318
 319 static struct spi_board_info omap3pandora_spi_board_info[] = {
 320         {
 321                 .modalias               = "ads7846",
 322                 .bus_num                = 1,
 323                 .chip_select            = 0,
 324                 .max_speed_hz           = 1500000,
 325                 .controller_data        = &ads7846_mcspi_config,
 326                 .irq                    = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
 327                 .platform_data          = &ads7846_config,
 328         }, {
 329                 .modalias               = "panel-tpo-td043mtea1",
 330                 .bus_num                = 1,
 331                 .chip_select            = 1,
 332                 .max_speed_hz           = 375000,
 333         }
 334 };
 335
 336 static struct platform_device omap3pandora_lcd_device = {
 337         .name           = "pandora_lcd",
 338         .id             = -1,
 339 };
 340
 341 static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
 342         .ctrl_name      = "internal",
 343 };
 344
 345 static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
 346         { OMAP_TAG_UART,        &omap3pandora_uart_config },
 347         { OMAP_TAG_LCD,         &omap3pandora_lcd_config },
 348 };
 349
 350 /* DSS2 */
 351 static int pandora_panel_enable_lcd(struct omap_display *display)
 352 {
 353 #define ENABLE_VAUX1_DEDICATED           0x04
 354 #define ENABLE_VAUX1_DEV_GRP             0x20
 355
 356         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 357                         ENABLE_VAUX1_DEDICATED,
 358                         TWL4030_VAUX1_DEDICATED);
 359         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 360                         ENABLE_VAUX1_DEV_GRP, TWL4030_VAUX1_DEV_GRP);
 361
 362         return 0;
 363 }
 364
 365 static void pandora_panel_disable_lcd(struct omap_display *display)
 366 {
 367         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
 368                         TWL4030_VAUX1_DEV_GRP);
 369         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
 370                         TWL4030_VAUX1_DEDICATED);
 371 }
 372
 373 static int pandora_panel_enable_tv(struct omap_display *display)
 374 {
 375 #define ENABLE_VDAC_DEDICATED           0x03
 376 #define ENABLE_VDAC_DEV_GRP             0x20
 377
 378         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 379                         ENABLE_VDAC_DEDICATED,
 380                         TWL4030_VDAC_DEDICATED);
 381         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 382                         ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
 383
 384         return 0;
 385 }
 386
 387 static void pandora_panel_disable_tv(struct omap_display *display)
 388 {
 389         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
 390                         TWL4030_VDAC_DEV_GRP);
 391         twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
 392                         TWL4030_VDAC_DEDICATED);
 393 }
 394
 395 static struct omap_dss_display_config omap3pandora_display_data[] = {
 396         {
 397                 .type           = OMAP_DISPLAY_TYPE_DPI,
 398                 .name           = "lcd",
 399                 .panel_name     = "tpo-td043mtea1",
 400                 .panel_reset_gpio = 157,
 401                 .u.dpi.data_lines = 24,
 402                 .panel_enable   = pandora_panel_enable_lcd,
 403                 .panel_disable  = pandora_panel_disable_lcd,
 404         }, {
 405                 .type           = OMAP_DISPLAY_TYPE_VENC,
 406                 .name           = "tv",
 407                 .u.venc.type    = OMAP_DSS_VENC_TYPE_SVIDEO,
 408                 .panel_enable   = pandora_panel_enable_tv,
 409                 .panel_disable  = pandora_panel_disable_tv,
 410         }
 411 };
 412
 413 static struct omap_dss_board_info omap3pandora_dss_data = {
 414         .num_displays = ARRAY_SIZE(omap3pandora_display_data),
 415         .displays = {
 416                 &omap3pandora_display_data[0],
 417                 &omap3pandora_display_data[1],
 418         }
 419 };
 420
 421 static struct platform_device omap3pandora_dss_device = {
 422         .name   = "omapdss",
 423         .id     = -1,
 424         .dev    = {
 425                 .platform_data = &omap3pandora_dss_data,
 426         },
 427 };
 428
 429 #include <mach/board-nokia.h>
 430
 431 static struct omap_bluetooth_config bt_config = {
 432         .chip_type              = BT_CHIP_TI,
 433         .bt_wakeup_gpio         = -EINVAL,
 434         .host_wakeup_gpio       = -EINVAL,
 435         .reset_gpio             = 15,
 436         .bt_uart                = 1,
 437 //      .bd_addr[6],
 438 //      .bt_sysclk,     /* unused? */
 439 };
 440
 441 static struct platform_device bt_device = {
 442         .name           = "hci_h4p",
 443         .id             = -1,
 444         .dev            = {
 445                 .platform_data  = &bt_config,
 446         },
 447 };
 448
 449 static struct platform_device *omap3pandora_devices[] __initdata = {
 450         &omap3pandora_lcd_device,
 451         &omap3pandora_leds_gpio,
 452         &bt_device,
 453         &omap3pandora_bl,
 454         &omap3pandora_dss_device,
 455 };
 456
 457 static void __init omap3pandora_init(void)
 458 {
 459         omap3pandora_i2c_init();
 460         omap3pandora_input_init();
 461         platform_add_devices(omap3pandora_devices, ARRAY_SIZE(omap3pandora_devices));
 462         omap_board_config = omap3pandora_config;
 463         omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
 464         spi_register_board_info(omap3pandora_spi_board_info,
 465                         ARRAY_SIZE(omap3pandora_spi_board_info));
 466         omap_serial_init();
 467         hsmmc_init();
 468         usb_musb_init();
 469         usb_ehci_init();
 470         omap3pandora_flash_init();
 471         omap3pandora_ads7846_init();
 472 }
 473
 474 static void __init omap3pandora_map_io(void)
 475 {
 476         omap2_set_globals_343x();
 477         omap2_map_common_io();
 478 }
 479
 480 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
 481         .phys_io        = 0x48000000,
 482         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 483         .boot_params    = 0x80000100,
 484         .map_io         = omap3pandora_map_io,
 485         .init_irq       = omap3pandora_init_irq,
 486         .init_machine   = omap3pandora_init,
 487         .timer          = &omap_timer,
 488 MACHINE_END