arch/arm/mach-omap2/board-igep0020.c

   1 /*
   2  * Copyright (C) 2009 Integration Software and Electronic Engineering.
   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/i2c/twl.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <plat/gpmc.h>
  30 #include <plat/usb.h>
  31 #include <plat/display.h>
  32 #include <plat/onenand.h>
  33
  34 #include "mux.h"
  35 #include "hsmmc.h"
  36 #include "sdram-numonyx-m65kxxxxam.h"
  37
  38 #define IGEP2_SMSC911X_CS       5
  39 #define IGEP2_SMSC911X_GPIO     176
  40 #define IGEP2_GPIO_USBH_NRESET  24
  41 #define IGEP2_GPIO_LED0_RED     26
  42 #define IGEP2_GPIO_LED0_GREEN   27
  43 #define IGEP2_GPIO_LED1_RED     28
  44 #define IGEP2_GPIO_DVI_PUP      170
  45 #define IGEP2_GPIO_WIFI_NPD     94
  46 #define IGEP2_GPIO_WIFI_NRESET  95
  47
  48 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  49         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  50
  51 #define ONENAND_MAP             0x20000000
  52
  53 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
  54  * Since the device is equipped with two DataRAMs, and two-plane NAND
  55  * Flash memory array, these two component enables simultaneous program
  56  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
  57  * while Plane2 has only odd blocks such as block1, block3, block5.
  58  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
  59  */
  60
  61 static struct mtd_partition igep2_onenand_partitions[] = {
  62         {
  63                 .name           = "X-Loader",
  64                 .offset         = 0,
  65                 .size           = 2 * (64*(2*2048))
  66         },
  67         {
  68                 .name           = "U-Boot",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = 6 * (64*(2*2048)),
  71         },
  72         {
  73                 .name           = "Environment",
  74                 .offset         = MTDPART_OFS_APPEND,
  75                 .size           = 2 * (64*(2*2048)),
  76         },
  77         {
  78                 .name           = "Kernel",
  79                 .offset         = MTDPART_OFS_APPEND,
  80                 .size           = 12 * (64*(2*2048)),
  81         },
  82         {
  83                 .name           = "File System",
  84                 .offset         = MTDPART_OFS_APPEND,
  85                 .size           = MTDPART_SIZ_FULL,
  86         },
  87 };
  88
  89 static int igep2_onenand_setup(void __iomem *onenand_base, int freq)
  90 {
  91        /* nothing is required to be setup for onenand as of now */
  92        return 0;
  93 }
  94
  95 static struct omap_onenand_platform_data igep2_onenand_data = {
  96         .parts = igep2_onenand_partitions,
  97         .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
  98         .onenand_setup = igep2_onenand_setup,
  99         .dma_channel    = -1,   /* disable DMA in OMAP OneNAND driver */
 100 };
 101
 102 static struct platform_device igep2_onenand_device = {
 103         .name           = "omap2-onenand",
 104         .id             = -1,
 105         .dev = {
 106                 .platform_data = &igep2_onenand_data,
 107         },
 108 };
 109
 110 void __init igep2_flash_init(void)
 111 {
 112         u8              cs = 0;
 113         u8              onenandcs = GPMC_CS_NUM + 1;
 114
 115         while (cs < GPMC_CS_NUM) {
 116                 u32 ret = 0;
 117                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 118
 119                 /* Check if NAND/oneNAND is configured */
 120                 if ((ret & 0xC00) == 0x800)
 121                         /* NAND found */
 122                         pr_err("IGEP v2: Unsupported NAND found\n");
 123                 else {
 124                         ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
 125                         if ((ret & 0x3F) == (ONENAND_MAP >> 24))
 126                                 /* ONENAND found */
 127                                 onenandcs = cs;
 128                 }
 129                 cs++;
 130         }
 131         if (onenandcs > GPMC_CS_NUM) {
 132                 pr_err("IGEP v2: Unable to find configuration in GPMC\n");
 133                 return;
 134         }
 135
 136         if (onenandcs < GPMC_CS_NUM) {
 137                 igep2_onenand_data.cs = onenandcs;
 138                 if (platform_device_register(&igep2_onenand_device) < 0)
 139                         pr_err("IGEP v2: Unable to register OneNAND device\n");
 140         }
 141 }
 142
 143 #else
 144 void __init igep2_flash_init(void) {}
 145 #endif
 146
 147 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 148
 149 #include <linux/smsc911x.h>
 150
 151 static struct smsc911x_platform_config igep2_smsc911x_config = {
 152         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 153         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 154         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS  ,
 155         .phy_interface  = PHY_INTERFACE_MODE_MII,
 156 };
 157
 158 static struct resource igep2_smsc911x_resources[] = {
 159         {
 160                 .flags  = IORESOURCE_MEM,
 161         },
 162         {
 163                 .start  = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
 164                 .end    = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
 165                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 166         },
 167 };
 168
 169 static struct platform_device igep2_smsc911x_device = {
 170         .name           = "smsc911x",
 171         .id             = 0,
 172         .num_resources  = ARRAY_SIZE(igep2_smsc911x_resources),
 173         .resource       = igep2_smsc911x_resources,
 174         .dev            = {
 175                 .platform_data = &igep2_smsc911x_config,
 176         },
 177 };
 178
 179 static inline void __init igep2_init_smsc911x(void)
 180 {
 181         unsigned long cs_mem_base;
 182
 183         if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
 184                 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
 185                 gpmc_cs_free(IGEP2_SMSC911X_CS);
 186                 return;
 187         }
 188
 189         igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
 190         igep2_smsc911x_resources[0].end   = cs_mem_base + 0xff;
 191
 192         if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
 193             (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
 194                 gpio_export(IGEP2_SMSC911X_GPIO, 0);
 195         } else {
 196                 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
 197                 return;
 198         }
 199
 200         platform_device_register(&igep2_smsc911x_device);
 201 }
 202
 203 #else
 204 static inline void __init igep2_init_smsc911x(void) { }
 205 #endif
 206
 207 static struct omap_board_config_kernel igep2_config[] __initdata = {
 208 };
 209
 210 static struct regulator_consumer_supply igep2_vmmc1_supply = {
 211         .supply         = "vmmc",
 212 };
 213
 214 static struct regulator_consumer_supply igep2_vmmc2_supply = {
 215         .supply         = "vmmc",
 216 };
 217
 218 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 219 static struct regulator_init_data igep2_vmmc1 = {
 220         .constraints = {
 221                 .min_uV                 = 1850000,
 222                 .max_uV                 = 3150000,
 223                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 224                                         | REGULATOR_MODE_STANDBY,
 225                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 226                                         | REGULATOR_CHANGE_MODE
 227                                         | REGULATOR_CHANGE_STATUS,
 228         },
 229         .num_consumer_supplies  = 1,
 230         .consumer_supplies      = &igep2_vmmc1_supply,
 231 };
 232
 233 /* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */
 234 static struct regulator_init_data igep2_vmmc2 = {
 235         .constraints = {
 236                 .min_uV                 = 1850000,
 237                 .max_uV                 = 3150000,
 238                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 239                                         | REGULATOR_MODE_STANDBY,
 240                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 241                                         | REGULATOR_CHANGE_MODE
 242                                         | REGULATOR_CHANGE_STATUS,
 243         },
 244         .num_consumer_supplies  = 1,
 245         .consumer_supplies      = &igep2_vmmc2_supply,
 246 };
 247
 248 static struct omap2_hsmmc_info mmc[] = {
 249         {
 250                 .mmc            = 1,
 251                 .wires          = 4,
 252                 .gpio_cd        = -EINVAL,
 253                 .gpio_wp        = -EINVAL,
 254         },
 255         {
 256                 .mmc            = 2,
 257                 .wires          = 4,
 258                 .gpio_cd        = -EINVAL,
 259                 .gpio_wp        = -EINVAL,
 260         },
 261         {}      /* Terminator */
 262 };
 263
 264 static int igep2_twl_gpio_setup(struct device *dev,
 265                 unsigned gpio, unsigned ngpio)
 266 {
 267         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 268         mmc[0].gpio_cd = gpio + 0;
 269         omap2_hsmmc_init(mmc);
 270
 271         /* link regulators to MMC adapters ... we "know" the
 272          * regulators will be set up only *after* we return.
 273         */
 274         igep2_vmmc1_supply.dev = mmc[0].dev;
 275         igep2_vmmc2_supply.dev = mmc[1].dev;
 276
 277         return 0;
 278 };
 279
 280 static struct twl4030_gpio_platform_data igep2_gpio_data = {
 281         .gpio_base      = OMAP_MAX_GPIO_LINES,
 282         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 283         .irq_end        = TWL4030_GPIO_IRQ_END,
 284         .use_leds       = false,
 285         .setup          = igep2_twl_gpio_setup,
 286 };
 287
 288 static struct twl4030_usb_data igep2_usb_data = {
 289         .usb_mode       = T2_USB_MODE_ULPI,
 290 };
 291
 292 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
 293 {
 294         gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
 295
 296         return 0;
 297 }
 298
 299 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
 300 {
 301         gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
 302 }
 303
 304 static struct omap_dss_device igep2_dvi_device = {
 305         .type                   = OMAP_DISPLAY_TYPE_DPI,
 306         .name                   = "dvi",
 307         .driver_name            = "generic_panel",
 308         .phy.dpi.data_lines     = 24,
 309         .platform_enable        = igep2_enable_dvi,
 310         .platform_disable       = igep2_disable_dvi,
 311 };
 312
 313 static struct omap_dss_device *igep2_dss_devices[] = {
 314         &igep2_dvi_device
 315 };
 316
 317 static struct omap_dss_board_info igep2_dss_data = {
 318         .num_devices    = ARRAY_SIZE(igep2_dss_devices),
 319         .devices        = igep2_dss_devices,
 320         .default_device = &igep2_dvi_device,
 321 };
 322
 323 static struct platform_device igep2_dss_device = {
 324         .name   = "omapdss",
 325         .id     = -1,
 326         .dev    = {
 327                 .platform_data = &igep2_dss_data,
 328         },
 329 };
 330
 331 static struct regulator_consumer_supply igep2_vpll2_supply = {
 332         .supply = "vdds_dsi",
 333         .dev    = &igep2_dss_device.dev,
 334 };
 335
 336 static struct regulator_init_data igep2_vpll2 = {
 337         .constraints = {
 338                 .name                   = "VDVI",
 339                 .min_uV                 = 1800000,
 340                 .max_uV                 = 1800000,
 341                 .apply_uV               = true,
 342                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 343                                         | REGULATOR_MODE_STANDBY,
 344                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 345                                         | REGULATOR_CHANGE_STATUS,
 346         },
 347         .num_consumer_supplies  = 1,
 348         .consumer_supplies      = &igep2_vpll2_supply,
 349 };
 350
 351 static void __init igep2_display_init(void)
 352 {
 353         if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
 354             gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
 355                 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
 356 }
 357
 358 static struct platform_device *igep2_devices[] __initdata = {
 359         &igep2_dss_device,
 360 };
 361
 362 static void __init igep2_init_irq(void)
 363 {
 364         omap_board_config = igep2_config;
 365         omap_board_config_size = ARRAY_SIZE(igep2_config);
 366         omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
 367         omap_init_irq();
 368         omap_gpio_init();
 369 }
 370
 371 static struct twl4030_codec_audio_data igep2_audio_data = {
 372         .audio_mclk = 26000000,
 373 };
 374
 375 static struct twl4030_codec_data igep2_codec_data = {
 376         .audio_mclk = 26000000,
 377         .audio = &igep2_audio_data,
 378 };
 379
 380 static struct twl4030_platform_data igep2_twldata = {
 381         .irq_base       = TWL4030_IRQ_BASE,
 382         .irq_end        = TWL4030_IRQ_END,
 383
 384         /* platform_data for children goes here */
 385         .usb            = &igep2_usb_data,
 386         .codec          = &igep2_codec_data,
 387         .gpio           = &igep2_gpio_data,
 388         .vmmc1          = &igep2_vmmc1,
 389         .vmmc2          = &igep2_vmmc2,
 390         .vpll2          = &igep2_vpll2,
 391
 392 };
 393
 394 static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {
 395         {
 396                 I2C_BOARD_INFO("twl4030", 0x48),
 397                 .flags          = I2C_CLIENT_WAKE,
 398                 .irq            = INT_34XX_SYS_NIRQ,
 399                 .platform_data  = &igep2_twldata,
 400         },
 401 };
 402
 403 static int __init igep2_i2c_init(void)
 404 {
 405         omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,
 406                         ARRAY_SIZE(igep2_i2c_boardinfo));
 407         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 408          * projector don't work reliably with 400kHz */
 409         omap_register_i2c_bus(3, 100, NULL, 0);
 410         return 0;
 411 }
 412
 413 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 414         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 415         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 416         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 417
 418         .phy_reset = true,
 419         .reset_gpio_port[0] = -EINVAL,
 420         .reset_gpio_port[1] = IGEP2_GPIO_USBH_NRESET,
 421         .reset_gpio_port[2] = -EINVAL,
 422 };
 423
 424 #ifdef CONFIG_OMAP_MUX
 425 static struct omap_board_mux board_mux[] __initdata = {
 426         { .reg_offset = OMAP_MUX_TERMINATOR },
 427 };
 428 #else
 429 #define board_mux       NULL
 430 #endif
 431
 432 static void __init igep2_init(void)
 433 {
 434         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 435         igep2_i2c_init();
 436         platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
 437         omap_serial_init();
 438         usb_musb_init();
 439         usb_ehci_init(&ehci_pdata);
 440
 441         igep2_flash_init();
 442         igep2_display_init();
 443         igep2_init_smsc911x();
 444
 445         /* GPIO userspace leds */
 446         if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
 447             (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
 448                 gpio_export(IGEP2_GPIO_LED0_RED, 0);
 449                 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
 450         } else
 451                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
 452
 453         if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
 454             (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
 455                 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
 456                 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
 457         } else
 458                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
 459
 460         if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
 461             (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
 462                 gpio_export(IGEP2_GPIO_LED1_RED, 0);
 463                 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
 464         } else
 465                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
 466
 467         /* GPIO W-LAN + Bluetooth combo module */
 468         if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
 469             (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) {
 470                 gpio_export(IGEP2_GPIO_WIFI_NPD, 0);
 471 /*              gpio_set_value(IGEP2_GPIO_WIFI_NPD, 0); */
 472         } else
 473                 pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NPD\n");
 474
 475         if ((gpio_request(IGEP2_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
 476             (gpio_direction_output(IGEP2_GPIO_WIFI_NRESET, 1) == 0)) {
 477                 gpio_export(IGEP2_GPIO_WIFI_NRESET, 0);
 478                 gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 0);
 479                 udelay(10);
 480                 gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 1);
 481         } else
 482                 pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NRESET\n");
 483 }
 484
 485 static void __init igep2_map_io(void)
 486 {
 487         omap2_set_globals_343x();
 488         omap34xx_map_common_io();
 489 }
 490
 491 MACHINE_START(IGEP0020, "IGEP v2 board")
 492         .phys_io        = 0x48000000,
 493         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 494         .boot_params    = 0x80000100,
 495         .map_io         = igep2_map_io,
 496         .init_irq       = igep2_init_irq,
 497         .init_machine   = igep2_init,
 498         .timer          = &omap_timer,
 499 MACHINE_END