arch/arm/mach-omap2/board-igep0030.c

   1 /*
   2  * Copyright (C) 2010 - ISEE 2007 SL
   3  *
   4  * Modified from mach-omap2/board-generic.c
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/err.h>
  16 #include <linux/clk.h>
  17 #include <linux/io.h>
  18 #include <linux/gpio.h>
  19 #include <linux/interrupt.h>
  20
  21 #include <linux/regulator/machine.h>
  22 #include <linux/regulator/fixed.h>
  23 #include <linux/i2c/twl.h>
  24 #include <linux/mmc/host.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28
  29 #include <plat/board.h>
  30 #include <plat/common.h>
  31 #include <plat/gpmc.h>
  32 #include <plat/usb.h>
  33 #include <plat/onenand.h>
  34
  35 #include "mux.h"
  36 #include "hsmmc.h"
  37 #include "sdram-numonyx-m65kxxxxam.h"
  38 #include "common-board-devices.h"
  39
  40 #define IGEP3_GPIO_LED0_GREEN   54
  41 #define IGEP3_GPIO_LED0_RED     53
  42 #define IGEP3_GPIO_LED1_RED     16
  43
  44 #define IGEP3_GPIO_WIFI_NPD     138
  45 #define IGEP3_GPIO_WIFI_NRESET  139
  46 #define IGEP3_GPIO_BT_NRESET    137
  47
  48 #define IGEP3_GPIO_USBH_NRESET  183
  49
  50
  51 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  52         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  53
  54 #define ONENAND_MAP             0x20000000
  55
  56 /*
  57  * x2 Flash built-in COMBO POP MEMORY
  58  * Since the device is equipped with two DataRAMs, and two-plane NAND
  59  * Flash memory array, these two component enables simultaneous program
  60  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
  61  * while Plane2 has only odd blocks such as block1, block3, block5.
  62  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
  63  */
  64
  65 static struct mtd_partition igep3_onenand_partitions[] = {
  66         {
  67                 .name           = "X-Loader",
  68                 .offset         = 0,
  69                 .size           = 2 * (64*(2*2048))
  70         },
  71         {
  72                 .name           = "U-Boot",
  73                 .offset         = MTDPART_OFS_APPEND,
  74                 .size           = 6 * (64*(2*2048)),
  75         },
  76         {
  77                 .name           = "Environment",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = 2 * (64*(2*2048)),
  80         },
  81         {
  82                 .name           = "Kernel",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = 12 * (64*(2*2048)),
  85         },
  86         {
  87                 .name           = "File System",
  88                 .offset         = MTDPART_OFS_APPEND,
  89                 .size           = MTDPART_SIZ_FULL,
  90         },
  91 };
  92
  93 static struct omap_onenand_platform_data igep3_onenand_pdata = {
  94         .parts = igep3_onenand_partitions,
  95         .nr_parts = ARRAY_SIZE(igep3_onenand_partitions),
  96         .onenand_setup = NULL,
  97         .dma_channel    = -1,   /* disable DMA in OMAP OneNAND driver */
  98 };
  99
 100 static struct platform_device igep3_onenand_device = {
 101         .name           = "omap2-onenand",
 102         .id             = -1,
 103         .dev = {
 104                 .platform_data = &igep3_onenand_pdata,
 105         },
 106 };
 107
 108 static void __init igep3_flash_init(void)
 109 {
 110         u8 cs = 0;
 111         u8 onenandcs = GPMC_CS_NUM + 1;
 112
 113         for (cs = 0; cs < GPMC_CS_NUM; cs++) {
 114                 u32 ret;
 115                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 116
 117                 /* Check if NAND/oneNAND is configured */
 118                 if ((ret & 0xC00) == 0x800)
 119                         /* NAND found */
 120                         pr_err("IGEP3: Unsupported NAND found\n");
 121                 else {
 122                         ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
 123
 124                         if ((ret & 0x3F) == (ONENAND_MAP >> 24))
 125                                 /* OneNAND found */
 126                                 onenandcs = cs;
 127                 }
 128         }
 129
 130         if (onenandcs > GPMC_CS_NUM) {
 131                 pr_err("IGEP3: Unable to find configuration in GPMC\n");
 132                 return;
 133         }
 134
 135         igep3_onenand_pdata.cs = onenandcs;
 136
 137         if (platform_device_register(&igep3_onenand_device) < 0)
 138                 pr_err("IGEP3: Unable to register OneNAND device\n");
 139 }
 140
 141 #else
 142 static void __init igep3_flash_init(void) {}
 143 #endif
 144
 145 static struct regulator_consumer_supply igep3_vmmc1_supply =
 146         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0");
 147
 148 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 149 static struct regulator_init_data igep3_vmmc1 = {
 150         .constraints = {
 151                 .min_uV                 = 1850000,
 152                 .max_uV                 = 3150000,
 153                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 154                                         | REGULATOR_MODE_STANDBY,
 155                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 156                                         | REGULATOR_CHANGE_MODE
 157                                         | REGULATOR_CHANGE_STATUS,
 158         },
 159         .num_consumer_supplies  = 1,
 160         .consumer_supplies      = &igep3_vmmc1_supply,
 161 };
 162
 163 static struct regulator_consumer_supply igep3_vio_supply =
 164         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1");
 165
 166 static struct regulator_init_data igep3_vio = {
 167         .constraints = {
 168                 .min_uV                 = 1800000,
 169                 .max_uV                 = 1800000,
 170                 .apply_uV               = 1,
 171                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 172                                         | REGULATOR_MODE_STANDBY,
 173                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 174                                         | REGULATOR_CHANGE_MODE
 175                                         | REGULATOR_CHANGE_STATUS,
 176         },
 177         .num_consumer_supplies  = 1,
 178         .consumer_supplies      = &igep3_vio_supply,
 179 };
 180
 181 static struct regulator_consumer_supply igep3_vmmc2_supply =
 182         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
 183
 184 static struct regulator_init_data igep3_vmmc2 = {
 185         .constraints    = {
 186                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 187                 .always_on              = 1,
 188         },
 189         .num_consumer_supplies  = 1,
 190         .consumer_supplies      = &igep3_vmmc2_supply,
 191 };
 192
 193 static struct fixed_voltage_config igep3_vwlan = {
 194         .supply_name            = "vwlan",
 195         .microvolts             = 3300000,
 196         .gpio                   = -EINVAL,
 197         .enabled_at_boot        = 1,
 198         .init_data              = &igep3_vmmc2,
 199 };
 200
 201 static struct platform_device igep3_vwlan_device = {
 202         .name   = "reg-fixed-voltage",
 203         .id     = 0,
 204         .dev    = {
 205                 .platform_data = &igep3_vwlan,
 206         },
 207 };
 208
 209 static struct omap2_hsmmc_info mmc[] = {
 210         [0] = {
 211                 .mmc            = 1,
 212                 .caps           = MMC_CAP_4_BIT_DATA,
 213                 .gpio_cd        = -EINVAL,
 214                 .gpio_wp        = -EINVAL,
 215         },
 216 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 217         [1] = {
 218                 .mmc            = 2,
 219                 .caps           = MMC_CAP_4_BIT_DATA,
 220                 .gpio_cd        = -EINVAL,
 221                 .gpio_wp        = -EINVAL,
 222         },
 223 #endif
 224         {}      /* Terminator */
 225 };
 226
 227 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 228 #include <linux/leds.h>
 229
 230 static struct gpio_led igep3_gpio_leds[] = {
 231         [0] = {
 232                 .name                   = "gpio-led:red:d0",
 233                 .gpio                   = IGEP3_GPIO_LED0_RED,
 234                 .default_trigger        = "default-off"
 235         },
 236         [1] = {
 237                 .name                   = "gpio-led:green:d0",
 238                 .gpio                   = IGEP3_GPIO_LED0_GREEN,
 239                 .default_trigger        = "default-off",
 240         },
 241         [2] = {
 242                 .name                   = "gpio-led:red:d1",
 243                 .gpio                   = IGEP3_GPIO_LED1_RED,
 244                 .default_trigger        = "default-off",
 245         },
 246         [3] = {
 247                 .name                   = "gpio-led:green:d1",
 248                 .default_trigger        = "heartbeat",
 249                 .gpio                   = -EINVAL, /* gets replaced */
 250         },
 251 };
 252
 253 static struct gpio_led_platform_data igep3_led_pdata = {
 254         .leds           = igep3_gpio_leds,
 255         .num_leds       = ARRAY_SIZE(igep3_gpio_leds),
 256 };
 257
 258 static struct platform_device igep3_led_device = {
 259          .name   = "leds-gpio",
 260          .id     = -1,
 261          .dev    = {
 262                  .platform_data = &igep3_led_pdata,
 263         },
 264 };
 265
 266 static void __init igep3_leds_init(void)
 267 {
 268         platform_device_register(&igep3_led_device);
 269 }
 270
 271 #else
 272 static struct gpio igep3_gpio_leds[] __initdata = {
 273         { IGEP3_GPIO_LED0_RED,   GPIOF_OUT_INIT_HIGH, "gpio-led:red:d0"   },
 274         { IGEP3_GPIO_LED0_GREEN, GPIOF_OUT_INIT_HIGH, "gpio-led:green:d0" },
 275         { IGEP3_GPIO_LED1_RED,   GPIOF_OUT_INIT_HIGH, "gpio-led:red:d1"   },
 276 };
 277
 278 static inline void igep3_leds_init(void)
 279 {
 280         if (gpio_request_array(igep3_gpio_leds, ARRAY_SIZE(igep3_gpio_leds))) {
 281                 pr_warning("IGEP3: Could not obtain leds gpios\n");
 282                 return;
 283         }
 284         gpio_export(IGEP3_GPIO_LED0_RED, 0);
 285         gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
 286         gpio_export(IGEP3_GPIO_LED1_RED, 0);
 287 }
 288 #endif
 289
 290 static int igep3_twl4030_gpio_setup(struct device *dev,
 291                 unsigned gpio, unsigned ngpio)
 292 {
 293 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 294         int ret;
 295
 296         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 297         ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
 298                                "gpio-led:green:d1");
 299         if (ret)
 300                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
 301         else
 302                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 303 #else
 304         igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 305 #endif
 306         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 307         mmc[0].gpio_cd = gpio + 0;
 308         omap2_hsmmc_init(mmc);
 309
 310         return 0;
 311 };
 312
 313 static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = {
 314         .gpio_base      = OMAP_MAX_GPIO_LINES,
 315         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 316         .irq_end        = TWL4030_GPIO_IRQ_END,
 317         .use_leds       = true,
 318         .setup          = igep3_twl4030_gpio_setup,
 319 };
 320
 321 static struct twl4030_usb_data igep3_twl4030_usb_data = {
 322         .usb_mode       = T2_USB_MODE_ULPI,
 323 };
 324
 325 static struct platform_device *igep3_devices[] __initdata = {
 326         &igep3_vwlan_device,
 327 };
 328
 329 static void __init igep3_init_early(void)
 330 {
 331         omap2_init_common_infrastructure();
 332         omap2_init_common_devices(m65kxxxxam_sdrc_params,
 333                                   m65kxxxxam_sdrc_params);
 334 }
 335
 336 static struct twl4030_platform_data igep3_twl4030_pdata = {
 337         .irq_base       = TWL4030_IRQ_BASE,
 338         .irq_end        = TWL4030_IRQ_END,
 339
 340         /* platform_data for children goes here */
 341         .usb            = &igep3_twl4030_usb_data,
 342         .gpio           = &igep3_twl4030_gpio_pdata,
 343         .vmmc1          = &igep3_vmmc1,
 344         .vio            = &igep3_vio,
 345 };
 346
 347 static int __init igep3_i2c_init(void)
 348 {
 349         omap3_pmic_init("twl4030", &igep3_twl4030_pdata);
 350
 351         return 0;
 352 }
 353
 354 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 355 static struct gpio igep3_wlan_bt_gpios[] __initdata = {
 356         { IGEP3_GPIO_WIFI_NPD,    GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD"    },
 357         { IGEP3_GPIO_WIFI_NRESET, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
 358         { IGEP3_GPIO_BT_NRESET,   GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET"   },
 359 };
 360
 361 static void __init igep3_wifi_bt_init(void)
 362 {
 363         int err;
 364
 365         /* Configure MUX values for W-LAN + Bluetooth GPIO's */
 366         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
 367         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
 368         omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);
 369
 370         /* Set GPIO's for  W-LAN + Bluetooth combo module */
 371         err = gpio_request_array(igep3_wlan_bt_gpios,
 372                                  ARRAY_SIZE(igep3_wlan_bt_gpios));
 373         if (err) {
 374                 pr_warning("IGEP3: Could not obtain WIFI/BT gpios\n");
 375                 return;
 376         }
 377
 378         gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
 379         gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
 380         gpio_export(IGEP3_GPIO_BT_NRESET, 0);
 381
 382         gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
 383         udelay(10);
 384         gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
 385 }
 386 #else
 387 void __init igep3_wifi_bt_init(void) {}
 388 #endif
 389
 390 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 391         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 392         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 393         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 394
 395         .phy_reset = true,
 396         .reset_gpio_port[0] = -EINVAL,
 397         .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
 398         .reset_gpio_port[2] = -EINVAL,
 399 };
 400
 401 #ifdef CONFIG_OMAP_MUX
 402 static struct omap_board_mux board_mux[] __initdata = {
 403         OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 404         { .reg_offset = OMAP_MUX_TERMINATOR },
 405 };
 406 #endif
 407
 408 static void __init igep3_init(void)
 409 {
 410         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 411
 412         /* Register I2C busses and drivers */
 413         igep3_i2c_init();
 414         platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices));
 415         omap_serial_init();
 416         usb_musb_init(NULL);
 417         usbhs_init(&usbhs_bdata);
 418
 419         igep3_flash_init();
 420         igep3_leds_init();
 421
 422         /*
 423          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 424          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 425          */
 426         igep3_wifi_bt_init();
 427
 428 }
 429
 430 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 431         .boot_params    = 0x80000100,
 432         .reserve        = omap_reserve,
 433         .map_io         = omap3_map_io,
 434         .init_early     = igep3_init_early,
 435         .init_irq       = omap_init_irq,
 436         .init_machine   = igep3_init,
 437         .timer          = &omap_timer,
 438 MACHINE_END